/* roulang page: index */
:root {
            --brand-primary: #1D5FA9;
            --brand-primary-dark: #1A4E91;
            --brand-primary-deep: #0F2540;
            --brand-secondary: #EAF2FB;
            --brand-accent: #3AA6A6;
            --brand-accent-warm: #F0A030;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --text-main: #0F2540;
            --text-muted: #52657F;
            --text-light: #7A8CA3;
            --border-light: #DCE5F0;
            --border-hover: #1D5FA9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(15, 37, 64, 0.05);
            --shadow-md: 0 12px 32px rgba(15, 37, 64, 0.08);
            --shadow-lg: 0 18px 40px rgba(15, 37, 64, 0.14);
            --shadow-xl: 0 28px 60px rgba(15, 37, 64, 0.18);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Inter', 'Roboto', sans-serif;
            --container-max: 1180px;
            --section-pad-y: 96px;
            --section-pad-y-mobile: 56px;
            --nav-height: 68px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-main);
            background-color: var(--bg-page);
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--brand-primary);
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        ul,
        ol {
            list-style: none;
        }

        .container-custom {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        section {
            padding-top: var(--section-pad-y);
            padding-bottom: var(--section-pad-y);
        }

        .section-sm {
            padding-top: 64px;
            padding-bottom: 64px;
        }

        .section-alt {
            background: var(--bg-white);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--brand-secondary);
            border-radius: var(--radius-sm);
            padding: 6px 14px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(24px, 3.5vw, 34px);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 40px;
        }

        .section-desc.centered {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .text-center-mobile {
            text-align: left;
        }

        /* ===== NAVBAR ===== */
        .navbar-pg {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            height: var(--nav-height);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 0 rgba(15, 37, 64, 0.04);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }
        .navbar-pg.scrolled {
            box-shadow: 0 4px 20px rgba(15, 37, 64, 0.08);
        }
        .navbar-pg .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .navbar-brand-pg {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--brand-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .navbar-brand-pg:hover {
            color: var(--brand-primary-dark);
        }
        .brand-badge {
            width: 38px;
            height: 38px;
            background: var(--brand-primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }
        .navbar-links a {
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 4px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .navbar-links a:hover {
            color: var(--brand-primary);
        }
        .navbar-links a.active {
            color: var(--brand-primary);
            font-weight: 600;
        }
        .navbar-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand-primary);
            border-radius: 2px;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .nav-search-btn:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--brand-secondary);
        }
        .btn-nav-cta {
            background: var(--brand-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            padding: 9px 20px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--brand-primary-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .navbar-toggler-pg {
            display: none;
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            width: 44px;
            height: 38px;
            cursor: pointer;
            color: var(--text-main);
            font-size: 22px;
            align-items: center;
            justify-content: center;
        }
        .navbar-toggler-pg:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }

        /* ===== HERO ===== */
        .hero-pg {
            padding-top: calc(var(--nav-height) + 52px);
            padding-bottom: 72px;
            background: linear-gradient(135deg, #EAF2FB 0%, #F5F8FC 45%, #FFFFFF 100%);
            position: relative;
            overflow: hidden;
            min-height: 620px;
            display: flex;
            align-items: center;
        }
        .hero-pg::before {
            content: '';
            position: absolute;
            top: -180px;
            right: -180px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(29, 95, 169, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-pg::after {
            content: '';
            position: absolute;
            bottom: -200px;
            left: -200px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(58, 166, 166, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-pg .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 48px;
            align-items: center;
        }
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .hero-badge-tag {
            background: var(--brand-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.3px;
        }
        .hero-badge-offer {
            background: var(--brand-accent-warm);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: var(--radius-sm);
        }
        .hero-badge-limit {
            background: #FDF2E5;
            color: #B25E00;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid #F0D5B0;
        }
        .hero-title {
            font-size: clamp(32px, 5.2vw, 46px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--brand-primary-deep);
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .hero-title .highlight {
            color: var(--brand-primary);
            position: relative;
        }
        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 6px;
            background: rgba(58, 166, 166, 0.25);
            border-radius: 3px;
            z-index: -1;
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }
        .btn-primary-pg {
            background: var(--brand-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-primary-pg:hover {
            background: var(--brand-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(29, 95, 169, 0.3);
        }
        .btn-outline-pg {
            background: var(--bg-white);
            color: var(--brand-primary);
            border: 1.5px solid var(--brand-primary);
            border-radius: var(--radius-md);
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-outline-pg:hover {
            background: var(--brand-secondary);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary-dark);
            transform: translateY(-2px);
        }
        .btn-link-pg {
            background: none;
            border: none;
            color: var(--brand-primary);
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            padding: 8px 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
        }
        .btn-link-pg:hover {
            color: var(--brand-primary-dark);
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            border-top: 1px solid var(--border-light);
            padding-top: 22px;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat-number {
            font-size: 26px;
            font-weight: 700;
            color: var(--brand-primary);
            letter-spacing: -0.5px;
        }
        .hero-stat-label {
            font-size: 13px;
            color: var(--text-light);
        }
        .hero-window {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-xl);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .hero-window-top {
            background: #1A2B3D;
            padding: 12px 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-window-dots {
            display: flex;
            gap: 6px;
        }
        .hero-window-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }
        .hero-window-dot.red {
            background: #FF5F57;
        }
        .hero-window-dot.yellow {
            background: #FFBD2E;
        }
        .hero-window-dot.green {
            background: #28C840;
        }
        .hero-window-title {
            flex: 1;
            text-align: center;
            font-size: 12px;
            color: #A0B4C8;
            letter-spacing: 0.5px;
        }
        .hero-window-body {
            padding: 12px;
            background: #F0F4F9;
        }
        .hero-window-body img {
            border-radius: var(--radius-md);
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .hero-window-footer {
            padding: 14px 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--bg-white);
        }
        .hero-window-badge {
            background: var(--brand-secondary);
            color: var(--brand-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
        }
        .hero-window-version {
            font-size: 13px;
            color: var(--text-light);
        }

        /* ===== ENTRY MATRIX ===== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .entry-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
            cursor: pointer;
        }
        .entry-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-hover);
        }
        .entry-icon {
            width: 44px;
            height: 44px;
            background: var(--brand-secondary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 22px;
            flex-shrink: 0;
        }
        .entry-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0;
        }
        .entry-card p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 0;
        }
        .entry-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
        }
        .entry-link:hover {
            color: var(--brand-primary-dark);
        }

        /* ===== PAIN POINTS ===== */
        .pain-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
            align-items: center;
        }
        .pain-image-wrapper {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            position: relative;
        }
        .pain-image-wrapper img {
            width: 100%;
            aspect-ratio: 16/11;
            object-fit: cover;
        }
        .pain-badge-overlay {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(15, 37, 64, 0.85);
            color: #fff;
            font-size: 12px;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            backdrop-filter: blur(6px);
        }
        .pain-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .pain-item {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .pain-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-md);
        }
        .pain-item-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #FDF2E5;
            color: var(--brand-accent-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .pain-item-content h4 {
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .pain-item-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== SOLUTION STEPS ===== */
        .solution-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .solution-step-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .solution-step-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-hover);
        }
        .solution-step-card .step-number {
            font-size: 42px;
            font-weight: 800;
            color: var(--brand-secondary);
            position: absolute;
            top: 10px;
            right: 18px;
            letter-spacing: -2px;
            line-height: 1;
            user-select: none;
            pointer-events: none;
        }
        .solution-step-icon {
            width: 48px;
            height: 48px;
            background: var(--brand-secondary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 24px;
            margin-bottom: 16px;
        }
        .solution-step-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .solution-step-card p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }
        .solution-feature-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 28px;
        }
        .solution-tab {
            background: var(--brand-secondary);
            color: var(--brand-primary);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            cursor: default;
        }
        .solution-tab:hover {
            background: var(--brand-primary);
            color: #fff;
        }

        /* ===== MILESTONE ===== */
        .milestone-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .milestone-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .milestone-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-hover);
        }
        .milestone-number {
            font-size: 38px;
            font-weight: 800;
            color: var(--brand-primary);
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .milestone-number .suffix {
            font-size: 20px;
            font-weight: 600;
            color: var(--brand-accent);
        }
        .milestone-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .milestone-bar {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 32px;
            padding: 18px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .milestone-bar-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            white-space: nowrap;
        }
        .milestone-bar-track {
            flex: 1;
            height: 10px;
            background: #E8EDF4;
            border-radius: 5px;
            overflow: hidden;
        }
        .milestone-bar-fill {
            height: 100%;
            background: var(--brand-primary);
            border-radius: 5px;
            width: 78%;
            transition: width 1.2s ease;
        }
        .milestone-bar-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-primary);
            white-space: nowrap;
        }

        /* ===== NEWS ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-list-item {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 20px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .news-list-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .news-date-badge {
            min-width: 56px;
            text-align: center;
            background: var(--brand-secondary);
            border-radius: var(--radius-md);
            padding: 8px 6px;
            flex-shrink: 0;
        }
        .news-date-badge .day {
            font-size: 22px;
            font-weight: 700;
            color: var(--brand-primary);
            display: block;
            line-height: 1.2;
        }
        .news-date-badge .month {
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-list-item h3 {
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
            line-height: 1.45;
        }
        .news-list-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .news-recommend {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            height: fit-content;
        }
        .news-recommend h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-light);
        }
        .news-recommend-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid #EDF1F6;
            align-items: center;
        }
        .news-recommend-item:last-child {
            border-bottom: none;
        }
        .news-recommend-item img {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-recommend-item .info h4 {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            margin-bottom: 2px;
            line-height: 1.4;
        }
        .news-recommend-item .info span {
            font-size: 12.5px;
            color: var(--text-light);
        }

        /* ===== TESTIMONIALS ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .testimonial-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-hover);
        }
        .testimonial-card.offset-top {
            margin-top: 28px;
        }
        .testimonial-card.offset-bottom {
            margin-bottom: 20px;
        }
        .testimonial-rating {
            display: flex;
            gap: 3px;
            color: #F0A030;
            font-size: 14px;
        }
        .testimonial-text {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 14px;
            border-top: 1px solid #EDF1F6;
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 18px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .testimonial-user-info h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 2px;
        }
        .testimonial-user-info span {
            font-size: 12.5px;
            color: var(--text-light);
        }

        /* ===== FAQ ===== */
        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text-main);
            padding: 18px 22px;
            background: var(--bg-white);
            transition: background var(--transition-fast);
            border: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--brand-secondary);
            color: var(--brand-primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--brand-primary);
            outline-offset: -2px;
        }
        .faq-accordion .accordion-body {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            padding: 16px 22px 20px;
            background: var(--bg-white);
        }

        /* ===== UPCOMING ===== */
        .upcoming-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 36px;
            align-items: center;
        }
        .upcoming-cover {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            position: relative;
        }
        .upcoming-cover img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .upcoming-cover .overlay-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(15, 37, 64, 0.85);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            backdrop-filter: blur(6px);
        }
        .upcoming-info h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .upcoming-info .highlight-text {
            color: var(--brand-primary);
            font-weight: 600;
        }
        .upcoming-info p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .countdown-row {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }
        .countdown-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 10px 16px;
            text-align: center;
            min-width: 54px;
            box-shadow: var(--shadow-sm);
        }
        .countdown-item .num {
            font-size: 22px;
            font-weight: 700;
            color: var(--brand-primary);
            display: block;
            line-height: 1.2;
        }
        .countdown-item .unit {
            font-size: 11px;
            color: var(--text-light);
        }
        .upcoming-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 20px;
        }
        .upcoming-list-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            padding: 6px 0;
        }
        .upcoming-list-item i {
            color: var(--brand-accent);
            font-size: 16px;
            flex-shrink: 0;
        }

        /* ===== CALENDAR + PARTNERS ===== */
        .calendar-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .calendar-list {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .calendar-list-item {
            display: flex;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid #EDF1F6;
            align-items: flex-start;
        }
        .calendar-list-item:last-child {
            border-bottom: none;
        }
        .calendar-day {
            min-width: 48px;
            height: 48px;
            background: var(--brand-secondary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: var(--brand-primary);
            flex-shrink: 0;
        }
        .calendar-list-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 3px;
        }
        .calendar-list-item p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 0;
        }
        .partner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .partner-tag {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 10px 16px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-main);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            cursor: default;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .partner-tag i {
            color: var(--brand-accent);
            font-size: 16px;
        }
        .partner-tag:hover {
            border-color: var(--brand-primary);
            background: var(--brand-secondary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .brand-intro {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            margin-top: 20px;
        }
        .brand-intro h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .brand-intro p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-banner {
            background: var(--brand-primary-dark);
            border-radius: var(--radius-xl);
            padding: 48px 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -120px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(58, 166, 166, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-banner h2 {
            font-size: clamp(24px, 3.2vw, 32px);
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            font-size: 15.5px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.65;
            max-width: 560px;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-primary-pg {
            background: #fff;
            color: var(--brand-primary);
            border: none;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-primary-pg:hover {
            background: var(--brand-secondary);
            color: var(--brand-primary-dark);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }
        .cta-banner .btn-outline-pg {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-outline-pg:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* ===== FOOTER ===== */
        .footer-pg {
            background: #0F2540;
            color: #A8B9CC;
            padding: 60px 0 32px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .brand-badge {
            width: 34px;
            height: 34px;
            font-size: 12px;
            background: var(--brand-primary);
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #7A8CA3;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: #A8B9CC;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-col ul li {
            padding: 4px 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: #7A8CA3;
        }
        .footer-bottom a {
            color: #A8B9CC;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom .links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1199.98px) {
            .entry-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .milestone-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 991.98px) {
            :root {
                --section-pad-y: 72px;
            }
            .navbar-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                gap: 0;
                padding: 16px 20px;
                box-shadow: 0 20px 40px rgba(15, 37, 64, 0.12);
                border-bottom: 1px solid var(--border-light);
                align-items: flex-start;
                z-index: 1049;
            }
            .navbar-links.open {
                display: flex;
            }
            .navbar-links a {
                width: 100%;
                padding: 12px 8px;
                font-size: 15px;
                border-bottom: 1px solid #EDF1F6;
            }
            .navbar-links a:last-child {
                border-bottom: none;
            }
            .navbar-links a.active::after {
                display: none;
            }
            .navbar-links a.active {
                background: var(--brand-secondary);
                border-radius: var(--radius-sm);
                padding-left: 12px;
            }
            .navbar-toggler-pg {
                display: flex;
            }
            .nav-search-btn {
                display: none;
            }
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-window {
                order: 2;
            }
            .pain-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .pain-image-wrapper {
                order: -1;
            }
            .solution-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .upcoming-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .calendar-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .testimonial-card.offset-top,
            .testimonial-card.offset-bottom {
                margin-top: 0;
                margin-bottom: 0;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 24px;
            }
        }
        @media (max-width: 767.98px) {
            .entry-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .milestone-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .milestone-number {
                font-size: 28px;
            }
            .cta-banner {
                padding: 32px 24px;
            }
            .hero-stats-row {
                gap: 16px;
                flex-wrap: wrap;
            }
            .hero-stat-number {
                font-size: 20px;
            }
            .hero-cta-row {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary-pg,
            .btn-outline-pg {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom .links {
                justify-content: center;
                gap: 10px;
            }
            .section-desc {
                font-size: 15px;
            }
            .entry-card {
                padding: 16px 14px;
            }
            .entry-card h3 {
                font-size: 14px;
            }
            .entry-card p {
                font-size: 12.5px;
            }
            .news-list-item {
                flex-direction: column;
                gap: 10px;
                padding: 16px;
            }
            .news-date-badge {
                min-width: auto;
                display: inline-flex;
                gap: 6px;
                padding: 4px 10px;
                border-radius: var(--radius-sm);
            }
            .news-date-badge .day {
                font-size: 16px;
            }
            .milestone-bar {
                flex-direction: column;
                gap: 10px;
                align-items: flex-start;
                padding: 16px;
            }
            .milestone-bar-track {
                width: 100%;
            }
        }
        @media (max-width: 575.98px) {
            :root {
                --section-pad-y: 48px;
            }
            .entry-grid {
                grid-template-columns: 1fr;
            }
            .milestone-grid {
                grid-template-columns: 1fr;
            }
            .milestone-card {
                padding: 20px 16px;
            }
            .solution-step-card {
                padding: 20px 16px;
            }
            .countdown-item {
                min-width: 44px;
                padding: 6px 10px;
            }
            .countdown-item .num {
                font-size: 18px;
            }
            .hero-pg {
                min-height: auto;
                padding-top: calc(var(--nav-height) + 32px);
                padding-bottom: 48px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            section {
                padding-top: var(--section-pad-y);
                padding-bottom: var(--section-pad-y);
            }
        }

/* roulang page: category2 */
:root {
            --brand-primary: #1D5FA9;
            --brand-primary-dark: #1A4E91;
            --brand-primary-deep: #0F2540;
            --brand-secondary: #EAF2FB;
            --brand-accent: #3AA6A6;
            --brand-accent-warm: #F0A030;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --text-main: #0F2540;
            --text-muted: #52657F;
            --text-light: #7A8CA3;
            --border-light: #DCE5F0;
            --border-hover: #1D5FA9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(15, 37, 64, 0.05);
            --shadow-md: 0 12px 32px rgba(15, 37, 64, 0.08);
            --shadow-lg: 0 18px 40px rgba(15, 37, 64, 0.14);
            --shadow-xl: 0 28px 60px rgba(15, 37, 64, 0.18);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Inter', 'Roboto', sans-serif;
            --container-max: 1180px;
            --section-pad-y: 72px;
            --section-pad-y-mobile: 48px;
            --nav-height: 68px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-main);
            background-color: var(--bg-page);
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }
        a {
            text-decoration: none;
            color: var(--brand-primary);
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        section {
            padding-top: var(--section-pad-y);
            padding-bottom: var(--section-pad-y);
        }
        .section-sm {
            padding-top: 56px;
            padding-bottom: 56px;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--brand-secondary);
            border-radius: var(--radius-sm);
            padding: 6px 14px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: clamp(24px, 3.5vw, 34px);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 40px;
        }
        .section-desc.centered {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .text-center-mobile {
            text-align: left;
        }
        
        /* ===== NAVBAR ===== */
        .navbar-pg {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            height: var(--nav-height);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 0 rgba(15, 37, 64, 0.04);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }
        .navbar-pg.scrolled {
            box-shadow: 0 4px 20px rgba(15, 37, 64, 0.08);
        }
        .navbar-pg .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .navbar-brand-pg {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--brand-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .navbar-brand-pg:hover {
            color: var(--brand-primary-dark);
        }
        .brand-badge {
            width: 38px;
            height: 38px;
            background: var(--brand-primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 26px;
            flex: 1;
            justify-content: center;
        }
        .navbar-links a {
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 4px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .navbar-links a:hover {
            color: var(--brand-primary);
        }
        .navbar-links a.active {
            color: var(--brand-primary);
            font-weight: 600;
        }
        .navbar-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand-primary);
            border-radius: 3px 3px 0 0;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .nav-search-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .nav-search-btn:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--brand-secondary);
        }
        .btn-nav-cta {
            background: var(--brand-primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            border: none;
            white-space: nowrap;
            transition: background var(--transition-fast), box-shadow var(--transition-fast);
        }
        .btn-nav-cta:hover {
            background: var(--brand-primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(29, 95, 169, 0.3);
        }
        .navbar-toggler-pg {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            color: var(--text-main);
            font-size: 22px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-pg:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }
        
        /* ===== BREADCRUMB ===== */
        .breadcrumb-pg {
            padding: 18px 0;
            font-size: 13.5px;
            color: var(--text-light);
            background: transparent;
            margin-bottom: 0;
        }
        .breadcrumb-pg a {
            color: var(--text-light);
            transition: color var(--transition-fast);
        }
        .breadcrumb-pg a:hover {
            color: var(--brand-primary);
        }
        .breadcrumb-pg .separator {
            margin: 0 8px;
            color: var(--border-light);
        }
        .breadcrumb-pg .current {
            color: var(--brand-primary);
            font-weight: 600;
        }
        
        /* ===== HERO ===== */
        .hero-pg {
            background: linear-gradient(135deg, #0F2540 0%, #1A4E91 55%, #1D5FA9 100%);
            padding: 52px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .hero-pg::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(58, 166, 166, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-pg::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(240, 160, 48, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-pg .container-custom {
            position: relative;
            z-index: 1;
        }
        .hero-pg .hero-title {
            font-size: clamp(30px, 4.5vw, 44px);
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            max-width: 720px;
        }
        .hero-pg .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: 28px;
        }
        .hero-pg .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-hero-primary {
            background: #FFFFFF;
            color: var(--brand-primary);
            font-size: 15px;
            font-weight: 700;
            padding: 12px 26px;
            border-radius: var(--radius-md);
            border: none;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-hero-primary:hover {
            background: var(--brand-secondary);
            color: var(--brand-primary-dark);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .btn-hero-outline {
            background: transparent;
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 26px;
            border-radius: var(--radius-md);
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        
        /* ===== TUTORIAL LAYOUT ===== */
        .tutorial-layout {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 36px;
            align-items: start;
        }
        .tutorial-main {
            min-width: 0;
        }
        .tutorial-sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }
        
        /* ===== DOC CARDS ===== */
        .doc-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 0;
            margin-bottom: 24px;
            overflow: hidden;
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
        }
        .doc-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .doc-card-inner {
            display: flex;
            flex-direction: row;
            align-items: stretch;
        }
        .doc-card-img {
            width: 220px;
            flex-shrink: 0;
            min-height: 100%;
            background-color: var(--brand-secondary);
            overflow: hidden;
            position: relative;
        }
        .doc-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .doc-card:hover .doc-card-img img {
            transform: scale(1.04);
        }
        .doc-card-body {
            padding: 28px 28px 24px;
            flex: 1;
            min-width: 0;
        }
        .doc-card-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--brand-secondary);
            border-radius: var(--radius-sm);
            padding: 4px 12px;
            margin-bottom: 12px;
        }
        .doc-card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .doc-card-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .doc-card-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-light);
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }
        .doc-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .doc-card-link {
            font-size: 14.5px;
            font-weight: 600;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast), color var(--transition-fast);
        }
        .doc-card-link:hover {
            color: var(--brand-primary-dark);
            gap: 10px;
        }
        
        /* ===== SIDEBAR ===== */
        .anchor-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 24px 20px;
            margin-bottom: 20px;
        }
        .anchor-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-light);
            letter-spacing: -0.2px;
        }
        .anchor-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .anchor-list li {
            margin-bottom: 6px;
        }
        .anchor-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            line-height: 1.5;
        }
        .anchor-list a:hover,
        .anchor-list a.active-anchor {
            background: var(--brand-secondary);
            color: var(--brand-primary);
            font-weight: 600;
        }
        .anchor-list a .anchor-icon {
            width: 28px;
            height: 28px;
            background: var(--bg-page);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            color: var(--brand-primary);
            transition: all var(--transition-fast);
        }
        .anchor-list a:hover .anchor-icon,
        .anchor-list a.active-anchor .anchor-icon {
            background: var(--brand-primary);
            color: #fff;
        }
        .sidebar-tip {
            background: var(--brand-secondary);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            font-size: 13.5px;
            color: var(--brand-primary-dark);
            line-height: 1.6;
            border: 1px solid rgba(29, 95, 169, 0.15);
        }
        .sidebar-tip strong {
            display: block;
            font-size: 14px;
            margin-bottom: 6px;
        }
        
        /* ===== FAQ ===== */
        .faq-pg .accordion-item {
            border: 1px solid var(--border-light) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        .faq-pg .accordion-item:hover {
            border-color: var(--border-hover) !important;
            box-shadow: var(--shadow-md);
        }
        .faq-pg .accordion-button {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            background: var(--bg-white);
            padding: 18px 22px;
            border: none;
            box-shadow: none !important;
            transition: color var(--transition-fast);
        }
        .faq-pg .accordion-button:not(.collapsed) {
            background: var(--brand-secondary);
            color: var(--brand-primary);
        }
        .faq-pg .accordion-button:focus {
            outline: 2px solid var(--brand-primary);
            outline-offset: -2px;
            border-radius: 0;
        }
        .faq-pg .accordion-button::after {
            background-size: 16px;
            transition: transform var(--transition-base);
        }
        .faq-pg .accordion-body {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            padding: 8px 22px 20px;
            background: var(--bg-white);
        }
        
        /* ===== CTA ===== */
        .cta-pg {
            background: var(--brand-primary-deep);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }
        .cta-pg::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(58, 166, 166, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-pg .cta-content {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .cta-pg .cta-title {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }
        .cta-pg .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            line-height: 1.6;
        }
        .btn-cta-white {
            background: #FFFFFF;
            color: var(--brand-primary-deep);
            font-size: 15px;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            border: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-cta-white:hover {
            background: var(--brand-secondary);
            color: var(--brand-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
        }
        
        /* ===== FOOTER ===== */
        .footer-pg {
            background: #0F2540;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .footer-pg .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-brand .brand-badge {
            background: var(--brand-primary);
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-bottom: 0;
        }
        .footer-pg h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: -0.2px;
        }
        .footer-pg ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-pg ul li {
            margin-bottom: 9px;
        }
        .footer-pg ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-pg ul a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom .links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-bottom .links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }
        .footer-bottom .links a:hover {
            color: #FFFFFF;
        }
        .footer-bottom .links span {
            font-size: 13px;
        }
        
        /* ===== RESPONSIVE ===== */
        @media (max-width: 991.98px) {
            .tutorial-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .tutorial-sidebar {
                position: static;
                order: -1;
            }
            .anchor-card {
                padding: 18px 16px;
            }
            .anchor-list {
                display: flex;
                flex-wrap: wrap;
                gap: 6px;
            }
            .anchor-list li {
                margin-bottom: 0;
            }
            .anchor-list a {
                padding: 8px 12px;
                font-size: 13px;
                white-space: nowrap;
                background: var(--bg-page);
            }
            .footer-pg .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --nav-height: 60px;
                --section-pad-y: 48px;
            }
            section {
                padding-top: var(--section-pad-y);
                padding-bottom: var(--section-pad-y);
            }
            .section-sm {
                padding-top: 36px;
                padding-bottom: 36px;
            }
            .navbar-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-lg);
                display: none;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }
            .navbar-links.open {
                display: flex;
            }
            .navbar-links a {
                display: block;
                padding: 12px 0;
                font-size: 16px;
                border-bottom: 1px solid var(--border-light);
                width: 100%;
                color: var(--text-main);
            }
            .navbar-links a:last-child {
                border-bottom: none;
            }
            .navbar-links a.active::after {
                display: none;
            }
            .navbar-links a.active {
                color: var(--brand-primary);
                font-weight: 700;
            }
            .navbar-toggler-pg {
                display: flex;
            }
            .nav-search-btn {
                display: none;
            }
            .btn-nav-cta {
                display: none;
            }
            .doc-card-inner {
                flex-direction: column;
            }
            .doc-card-img {
                width: 100%;
                height: 180px;
            }
            .doc-card-body {
                padding: 20px 18px;
            }
            .hero-pg {
                padding: 36px 0 44px;
            }
            .hero-pg .hero-title {
                font-size: 28px;
            }
            .hero-pg .hero-subtitle {
                font-size: 15px;
            }
            .cta-pg {
                padding: 32px 24px;
            }
            .cta-pg .cta-title {
                font-size: 22px;
            }
            .footer-pg .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 575.98px) {
            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .doc-card-title {
                font-size: 17px;
            }
            .doc-card-meta {
                gap: 10px;
                font-size: 12px;
                flex-wrap: wrap;
            }
            .breadcrumb-pg {
                font-size: 12.5px;
                padding: 12px 0;
            }
        }

/* roulang page: category1 */
:root {
  --brand-primary: #1D5FA9;
  --brand-primary-dark: #1A4E91;
  --brand-primary-deep: #0F2540;
  --brand-secondary: #EAF2FB;
  --brand-accent: #3AA6A6;
  --brand-accent-warm: #F0A030;
  --bg-page: #F5F8FC;
  --bg-white: #FFFFFF;
  --text-main: #0F2540;
  --text-muted: #52657F;
  --text-light: #7A8CA3;
  --border-light: #DCE5F0;
  --border-hover: #1D5FA9;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 2px 8px rgba(15, 37, 64, 0.05);
  --shadow-md: 0 12px 32px rgba(15, 37, 64, 0.08);
  --shadow-lg: 0 18px 40px rgba(15, 37, 64, 0.14);
  --shadow-xl: 0 28px 60px rgba(15, 37, 64, 0.18);
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Inter', 'Roboto', sans-serif;
  --container-max: 1180px;
  --section-pad-y: 80px;
  --section-pad-y-mobile: 52px;
  --nav-height: 68px;
}
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-main);
  background-color: var(--bg-page);
  overflow-x: hidden;
}
a {
  text-decoration: none;
  color: var(--brand-primary);
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--brand-primary-dark);
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.container-custom {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
section {
  padding-top: var(--section-pad-y);
  padding-bottom: var(--section-pad-y);
}
.section-sm {
  padding-top: 56px;
  padding-bottom: 56px;
}
.section-alt {
  background: var(--bg-white);
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-primary);
  background: var(--brand-secondary);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(24px, 3.5vw, 34px);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 40px;
}
.section-desc.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
/* ===== NAVBAR ===== */
.navbar-pg {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  height: var(--nav-height);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 1px 0 rgba(15, 37, 64, 0.04);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  transition: box-shadow var(--transition-base), background var(--transition-base);
}
.navbar-pg.scrolled {
  box-shadow: 0 4px 20px rgba(15, 37, 64, 0.08);
}
.navbar-pg .navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 20px;
}
.navbar-brand-pg {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--brand-primary);
  letter-spacing: -0.3px;
  white-space: nowrap;
  flex-shrink: 0;
}
.navbar-brand-pg:hover {
  color: var(--brand-primary-dark);
}
.brand-badge {
  width: 38px;
  height: 38px;
  background: var(--brand-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.navbar-links {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.navbar-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 4px 0;
  position: relative;
  white-space: nowrap;
  transition: color var(--transition-fast);
}
.navbar-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 3px;
  background: var(--brand-primary);
  border-radius: 2px 2px 0 0;
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}
.navbar-links a:hover {
  color: var(--brand-primary);
}
.navbar-links a.active {
  color: var(--brand-primary);
  font-weight: 600;
}
.navbar-links a.active::after {
  transform: scaleX(1);
}
.navbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-search-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.nav-search-btn:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}
.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--brand-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  border: none;
  white-space: nowrap;
  transition: all var(--transition-fast);
}
.btn-nav-cta:hover {
  background: var(--brand-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.navbar-toggler-pg {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  border-radius: var(--radius-md);
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  cursor: pointer;
  font-size: 20px;
  transition: all var(--transition-fast);
}
.navbar-toggler-pg:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}
/* ===== BREADCRUMB ===== */
.breadcrumb-pg {
  background: transparent;
  padding: 0;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--text-light);
}
.breadcrumb-pg .breadcrumb-item a {
  color: var(--text-light);
  transition: color var(--transition-fast);
}
.breadcrumb-pg .breadcrumb-item a:hover {
  color: var(--brand-primary);
}
.breadcrumb-pg .breadcrumb-item.active {
  color: var(--brand-primary);
  font-weight: 600;
}
/* ===== HERO ===== */
.hero-pg {
  padding-top: calc(var(--nav-height) + 56px);
  padding-bottom: 64px;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
}
.hero-pg .hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 52px;
  align-items: center;
}
.hero-pg h1 {
  font-size: clamp(30px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
  letter-spacing: -0.8px;
  margin-bottom: 20px;
}
.hero-pg .hero-subtitle {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 28px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-actions .btn-primary-pg {
  background: var(--brand-primary);
  color: #fff;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  transition: all var(--transition-fast);
}
.hero-actions .btn-primary-pg:hover {
  background: var(--brand-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.hero-actions .btn-outline-pg {
  background: transparent;
  color: var(--brand-primary);
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--brand-primary);
  transition: all var(--transition-fast);
}
.hero-actions .btn-outline-pg:hover {
  background: var(--brand-secondary);
  color: var(--brand-primary-dark);
  border-color: var(--brand-primary-dark);
}
.hero-panel {
  background: var(--bg-page);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}
.hero-panel .window-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 14px;
}
.hero-panel .window-dots {
  display: flex;
  gap: 6px;
}
.hero-panel .window-dots span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: block;
}
.hero-panel .window-dots span:nth-child(1) { background: #E06C6C; }
.hero-panel .window-dots span:nth-child(2) { background: #E0B84C; }
.hero-panel .window-dots span:nth-child(3) { background: #6CBE6C; }
.hero-panel .window-title {
  font-size: 12px;
  color: var(--text-light);
  margin-left: auto;
}
.hero-panel .window-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--brand-secondary);
}
.hero-panel .window-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-panel .window-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  margin-top: 14px;
  border-top: 1px solid var(--border-light);
  font-size: 13px;
  color: var(--text-muted);
}
.hero-panel .version-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--brand-secondary);
  color: var(--brand-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}
/* ===== FEATURE CARDS ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
  transform: translateY(-3px);
}
.feature-card .icon-wrap {
  width: 52px;
  height: 52px;
  background: var(--brand-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--brand-primary);
  margin-bottom: 16px;
  flex-shrink: 0;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.4;
}
.feature-card p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}
.feature-card .card-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-accent);
  background: rgba(58, 166, 166, 0.08);
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
  width: fit-content;
}
/* ===== PARAMETER TABLE ===== */
.param-table-wrap {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.param-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
.param-table th {
  background: var(--brand-secondary);
  color: var(--brand-primary-dark);
  font-weight: 600;
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
}
.param-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-muted);
  line-height: 1.6;
}
.param-table tr:last-child td {
  border-bottom: none;
}
.param-table tr:hover td {
  background: var(--bg-page);
}
.param-table .param-name {
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
}
.param-table .param-val {
  color: var(--brand-primary);
  font-weight: 600;
}
.param-table .param-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}
.param-table .param-status .bi-check-circle-fill {
  color: var(--brand-accent);
  font-size: 15px;
}
.param-table .param-status .bi-exclamation-triangle-fill {
  color: var(--brand-accent-warm);
  font-size: 15px;
}
/* ===== COMPARISON ===== */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.comparison-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
}
.comparison-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
}
.comparison-card.highlight {
  border: 2px solid var(--brand-primary);
  box-shadow: var(--shadow-md);
}
.comparison-card.highlight::before {
  content: '推荐方案';
  position: absolute;
  top: -14px;
  left: 28px;
  background: var(--brand-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}
.comparison-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.comparison-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.comparison-card ul li {
  padding: 8px 0;
  font-size: 14.5px;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.6;
}
.comparison-card ul li i {
  color: var(--brand-accent);
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}
.comparison-card ul li .bi-x-circle {
  color: #C44B4B;
}
.comparison-card .score-bar {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}
.comparison-card .score-bar .score-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.comparison-card .score-bar .score-label {
  font-size: 13px;
  color: var(--text-light);
  min-width: 72px;
}
.comparison-card .score-bar .score-track {
  flex: 1;
  height: 8px;
  background: var(--bg-page);
  border-radius: 4px;
  overflow: hidden;
}
.comparison-card .score-bar .score-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--brand-primary);
  transition: width var(--transition-base);
}
.comparison-card .score-bar .score-fill.accent {
  background: var(--brand-accent);
}
.comparison-card .score-bar .score-num {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  min-width: 36px;
  text-align: right;
}
/* ===== SCENARIOS ===== */
.scenario-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.scenario-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  transition: all var(--transition-fast);
}
.scenario-item:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
}
.scenario-item .sc-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--brand-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--brand-primary);
  flex-shrink: 0;
}
.scenario-item h4 {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}
.scenario-item p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.6;
}
/* ===== FAQ ===== */
.faq-wrap {
  max-width: 780px;
  margin: 0 auto;
}
.accordion-pg .accordion-item {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}
.accordion-pg .accordion-item:hover {
  border-color: var(--border-hover);
}
.accordion-pg .accordion-header {
  margin: 0;
}
.accordion-pg .accordion-button {
  background: var(--bg-white);
  color: var(--text-main);
  font-weight: 600;
  font-size: 15.5px;
  padding: 18px 22px;
  width: 100%;
  text-align: left;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.accordion-pg .accordion-button:focus {
  box-shadow: none;
  outline: 2px solid var(--brand-primary);
  outline-offset: -2px;
}
.accordion-pg .accordion-button::after {
  content: '+';
  font-size: 22px;
  font-weight: 400;
  color: var(--brand-primary);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}
.accordion-pg .accordion-button:not(.collapsed)::after {
  content: '−';
}
.accordion-pg .accordion-button:not(.collapsed) {
  background: var(--brand-secondary);
  color: var(--brand-primary-dark);
}
.accordion-pg .accordion-body {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.75;
  padding: 0 22px 20px 22px;
  background: var(--bg-white);
}
/* ===== CTA ===== */
.cta-pg {
  background: var(--brand-primary-deep);
  border-radius: var(--radius-xl);
  padding: 56px 44px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-pg::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(58, 166, 166, 0.12);
  pointer-events: none;
}
.cta-pg::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(240, 160, 48, 0.1);
  pointer-events: none;
}
.cta-pg h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.cta-pg p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto 28px;
  position: relative;
  z-index: 1;
}
.cta-pg .cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.cta-pg .btn-cta-primary {
  background: var(--brand-accent);
  color: #fff;
  border: none;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.cta-pg .btn-cta-primary:hover {
  background: #2D8C8C;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(58, 166, 166, 0.35);
}
.cta-pg .btn-cta-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  font-weight: 600;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.cta-pg .btn-cta-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}
/* ===== FOOTER ===== */
.footer-pg {
  background: var(--brand-primary-deep);
  color: rgba(255, 255, 255, 0.75);
  padding: 56px 0 24px;
  margin-top: 0;
}
.footer-pg .footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 40px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand .brand-badge {
  background: var(--brand-primary);
  color: #fff;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
  max-width: 380px;
  margin-bottom: 0;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  transition: color var(--transition-fast);
}
.footer-col ul li a:hover {
  color: #fff;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom .links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom .links a {
  color: rgba(255, 255, 255, 0.65);
}
.footer-bottom .links a:hover {
  color: #fff;
}
/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .navbar-links {
    gap: 20px;
  }
  .navbar-links a {
    font-size: 13.5px;
  }
  .hero-pg .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  :root {
    --section-pad-y: 56px;
    --section-pad-y-mobile: 40px;
  }
  .navbar-toggler-pg {
    display: flex;
  }
  .navbar-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px 20px 20px;
    box-shadow: var(--shadow-md);
    z-index: 1050;
  }
  .navbar-links.open {
    display: flex;
  }
  .navbar-links a {
    width: 100%;
    padding: 12px 0;
    font-size: 15px;
    border-bottom: 1px solid var(--border-light);
  }
  .navbar-links a:last-child {
    border-bottom: none;
  }
  .navbar-links a.active::after {
    display: none;
  }
  .btn-nav-cta {
    padding: 8px 14px;
    font-size: 13px;
  }
  .hero-pg {
    padding-top: calc(var(--nav-height) + 32px);
    padding-bottom: 44px;
  }
  .hero-pg h1 {
    font-size: 26px;
  }
  .hero-pg .hero-subtitle {
    font-size: 15px;
  }
  .hero-actions .btn-primary-pg,
  .hero-actions .btn-outline-pg {
    padding: 10px 18px;
    font-size: 14px;
  }
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  .scenario-list {
    grid-template-columns: 1fr;
  }
  .footer-pg .footer-top {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 576px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .param-table-wrap {
    overflow-x: auto;
  }
  .param-table {
    min-width: 560px;
  }
  .cta-pg {
    padding: 40px 24px;
  }
  .section-title {
    font-size: 22px;
  }
  .section-desc {
    font-size: 14.5px;
  }
}

/* roulang page: category3 */
:root {
            --brand-primary: #1D5FA9;
            --brand-primary-dark: #1A4E91;
            --brand-primary-deep: #0F2540;
            --brand-secondary: #EAF2FB;
            --brand-accent: #3AA6A6;
            --brand-accent-warm: #F0A030;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --text-main: #0F2540;
            --text-muted: #52657F;
            --text-light: #7A8CA3;
            --border-light: #DCE5F0;
            --border-hover: #1D5FA9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(15, 37, 64, 0.05);
            --shadow-md: 0 12px 32px rgba(15, 37, 64, 0.08);
            --shadow-lg: 0 18px 40px rgba(15, 37, 64, 0.14);
            --shadow-xl: 0 28px 60px rgba(15, 37, 64, 0.18);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Inter', 'Roboto', sans-serif;
            --container-max: 1180px;
            --section-pad-y: 72px;
            --section-pad-y-mobile: 48px;
            --nav-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-main);
            background-color: var(--bg-page);
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            text-decoration: none;
            color: var(--brand-primary);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--brand-primary-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container-custom {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        section {
            padding-top: var(--section-pad-y);
            padding-bottom: var(--section-pad-y);
        }

        .section-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .section-alt {
            background: var(--bg-white);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--brand-secondary);
            border-radius: var(--radius-sm);
            padding: 6px 14px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(24px, 3.5vw, 34px);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 40px;
        }

        /* ===== NAVBAR ===== */
        .navbar-pg {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            height: var(--nav-height);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 0 rgba(15, 37, 64, 0.04);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }

        .navbar-pg.scrolled {
            box-shadow: 0 4px 20px rgba(15, 37, 64, 0.08);
        }

        .navbar-pg .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .navbar-brand-pg {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--brand-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .navbar-brand-pg:hover {
            color: var(--brand-primary-dark);
        }

        .brand-badge {
            width: 38px;
            height: 38px;
            background: var(--brand-primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .navbar-links {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }

        .navbar-links a {
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 4px 0;
            position: relative;
            white-space: nowrap;
        }

        .navbar-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--brand-primary);
            border-radius: 2px;
            transition: width var(--transition-fast);
        }

        .navbar-links a:hover {
            color: var(--brand-primary);
        }

        .navbar-links a:hover::after {
            width: 100%;
        }

        .navbar-links a.active {
            color: var(--brand-primary);
            font-weight: 600;
        }

        .navbar-links a.active::after {
            width: 100%;
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-search-btn {
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .nav-search-btn:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }

        .btn-nav-cta {
            display: inline-block;
            background: var(--brand-primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--brand-primary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--brand-primary-dark);
            border-color: var(--brand-primary-dark);
            color: #fff;
        }

        .navbar-toggler-pg {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            cursor: pointer;
            font-size: 20px;
            transition: all var(--transition-fast);
        }

        .navbar-toggler-pg:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb-pg {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb-pg a {
            color: var(--text-muted);
        }

        .breadcrumb-pg a:hover {
            color: var(--brand-primary);
        }

        .breadcrumb-pg .separator {
            color: var(--border-light);
        }

        .breadcrumb-pg .current {
            color: var(--brand-primary);
            font-weight: 500;
        }

        /* ===== HERO ===== */
        .hero-pg {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 40px 0 48px;
        }

        .hero-pg .hero-badge-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }

        .hero-pg .hero-version-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-secondary);
            color: var(--brand-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-sm);
        }

        .hero-pg .hero-stable-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #E6F7F2;
            color: #217A5D;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-sm);
        }

        .hero-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .hero-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 24px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-pg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 11px 22px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--brand-primary);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-pg:hover {
            background: var(--brand-primary-dark);
            border-color: var(--brand-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-outline-pg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-white);
            color: var(--brand-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--brand-primary);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-outline-pg:hover {
            background: var(--brand-secondary);
            border-color: var(--brand-primary-dark);
            color: var(--brand-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        /* ===== TIMELINE ===== */
        .timeline-pg {
            position: relative;
            padding-left: 0;
        }

        .timeline-pg::before {
            content: '';
            position: absolute;
            left: 19px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--border-light);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-left: 60px;
            margin-bottom: 32px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: 8px;
            top: 5px;
            width: 24px;
            height: 24px;
            background: var(--bg-white);
            border: 3px solid var(--brand-primary);
            border-radius: 50%;
            z-index: 2;
        }

        .timeline-dot.accent {
            border-color: var(--brand-accent);
        }

        .timeline-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }

        .timeline-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .timeline-card .version-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .version-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-primary);
            background: var(--brand-secondary);
            padding: 5px 14px;
            border-radius: var(--radius-sm);
            letter-spacing: -0.3px;
        }

        .version-tag.latest {
            background: var(--brand-primary);
            color: #fff;
        }

        .version-date {
            font-size: 13px;
            color: var(--text-light);
        }

        .version-type {
            font-size: 13px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
        }

        .version-type.stable {
            background: #E6F7F2;
            color: #217A5D;
        }

        .version-type.fix {
            background: #FFF4E5;
            color: #B86E00;
        }

        .version-type.feature {
            background: #E9EEFF;
            color: #3A56D4;
        }

        .timeline-card .update-list {
            list-style: none;
            padding-left: 0;
            margin-bottom: 0;
        }

        .timeline-card .update-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 6px;
        }

        .timeline-card .update-list li:last-child {
            margin-bottom: 0;
        }

        .timeline-card .update-list li i {
            color: var(--brand-accent);
            font-size: 15px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .timeline-card .update-thumb {
            margin-top: 16px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            max-width: 400px;
        }

        .timeline-card .update-thumb img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        /* ===== PERFORMANCE BARS ===== */
        .performance-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .performance-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-md);
        }

        .performance-card .perf-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .performance-card .perf-value {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-primary);
        }

        .perf-bar {
            height: 8px;
            background: var(--brand-secondary);
            border-radius: 4px;
            overflow: hidden;
            margin-bottom: 16px;
        }

        .perf-bar-fill {
            height: 100%;
            background: var(--brand-primary);
            border-radius: 4px;
            transition: width 0.8s ease;
        }

        .perf-bar-fill.accent {
            background: var(--brand-accent);
        }

        .perf-bar-fill.warm {
            background: var(--brand-accent-warm);
        }

        /* ===== SUGGESTION BOX ===== */
        .suggestion-box {
            background: var(--brand-secondary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .suggestion-box i {
            font-size: 20px;
            color: var(--brand-primary);
            margin-top: 2px;
            flex-shrink: 0;
        }

        .suggestion-box p {
            font-size: 14.5px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-hover);
        }

        .faq-item .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            transition: color var(--transition-fast);
        }

        .faq-item .faq-question:hover {
            color: var(--brand-primary);
        }

        .faq-item .faq-question i {
            font-size: 16px;
            transition: transform var(--transition-base);
            color: var(--text-light);
            flex-shrink: 0;
        }

        .faq-item .faq-question[aria-expanded="true"] i {
            transform: rotate(45deg);
            color: var(--brand-primary);
        }

        .faq-item .faq-answer {
            padding: 0 20px 16px;
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }

        .faq-item .faq-answer.show {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-pg {
            background: var(--brand-primary-deep);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-pg::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 350px;
            height: 350px;
            background: rgba(58, 166, 166, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-pg::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 280px;
            height: 280px;
            background: rgba(240, 160, 48, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-pg .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-pg .cta-title {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-pg .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 20px;
            max-width: 500px;
        }

        .btn-light-pg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--brand-primary-deep);
            font-size: 15px;
            font-weight: 600;
            padding: 11px 22px;
            border-radius: var(--radius-sm);
            border: 1px solid #fff;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-light-pg:hover {
            background: var(--brand-secondary);
            border-color: var(--brand-secondary);
            color: var(--brand-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline-light-pg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-outline-light-pg:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== FOOTER ===== */
        .footer-pg {
            background: var(--brand-primary-deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-pg .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand .brand-badge {
            background: var(--brand-primary);
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding-left: 0;
            margin-bottom: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom .links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom .links a {
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-bottom .links a:hover {
            color: #fff;
        }

        /* ===== MOBILE DRAWER ===== */
        @media (max-width: 991px) {
            .navbar-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                gap: 0;
                padding: 12px 20px 20px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                display: none;
                z-index: 1040;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }

            .navbar-links.show {
                display: flex;
            }

            .navbar-links a {
                padding: 12px 0;
                font-size: 15px;
                border-bottom: 1px solid var(--border-light);
                text-align: center;
            }

            .navbar-links a:last-child {
                border-bottom: none;
            }

            .navbar-links a::after {
                display: none;
            }

            .navbar-links a.active {
                background: var(--brand-secondary);
                border-radius: var(--radius-sm);
                padding-left: 12px;
                padding-right: 12px;
            }

            .navbar-toggler-pg {
                display: flex;
            }

            .btn-nav-cta {
                display: none;
            }

            .nav-search-btn {
                display: none;
            }

            .footer-pg .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-pad-y: 48px;
            }
            .hero-pg {
                padding: 28px 0 32px;
            }
            .hero-title {
                font-size: 24px;
            }
            .timeline-item {
                padding-left: 46px;
            }
            .timeline-pg::before {
                left: 12px;
            }
            .timeline-dot {
                left: 2px;
                width: 20px;
                height: 20px;
                border-width: 2px;
            }
            .footer-pg .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-pg {
                padding: 32px 24px;
            }
        }

        @media (max-width: 575px) {
            .navbar-links a {
                font-size: 14px;
                padding: 10px 0;
            }
            .timeline-card {
                padding: 16px 18px;
            }
            .timeline-item {
                padding-left: 42px;
                margin-bottom: 20px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn-pg,
            .hero-actions .btn-outline-pg {
                justify-content: center;
                width: 100%;
            }
        }

/* roulang page: category4 */
:root {
            --brand-primary: #1D5FA9;
            --brand-primary-dark: #1A4E91;
            --brand-primary-deep: #0F2540;
            --brand-secondary: #EAF2FB;
            --brand-accent: #3AA6A6;
            --brand-accent-warm: #F0A030;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --text-main: #0F2540;
            --text-muted: #52657F;
            --text-light: #7A8CA3;
            --border-light: #DCE5F0;
            --border-hover: #1D5FA9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(15, 37, 64, 0.05);
            --shadow-md: 0 12px 32px rgba(15, 37, 64, 0.08);
            --shadow-lg: 0 18px 40px rgba(15, 37, 64, 0.14);
            --shadow-xl: 0 28px 60px rgba(15, 37, 64, 0.18);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Inter', 'Roboto', sans-serif;
            --container-max: 1180px;
            --section-pad-y: 72px;
            --section-pad-y-mobile: 48px;
            --nav-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-main);
            background-color: var(--bg-page);
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--brand-primary);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--brand-primary-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container-custom {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        section {
            padding-top: var(--section-pad-y);
            padding-bottom: var(--section-pad-y);
        }

        .section-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .section-alt {
            background: var(--bg-white);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--brand-secondary);
            border-radius: var(--radius-sm);
            padding: 6px 14px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(24px, 3.5vw, 34px);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 40px;
        }

        .section-desc.centered {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        /* ===== NAVBAR ===== */
        .navbar-pg {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            height: var(--nav-height);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 0 rgba(15, 37, 64, 0.04);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }

        .navbar-pg.scrolled {
            box-shadow: 0 4px 20px rgba(15, 37, 64, 0.08);
        }

        .navbar-pg .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .navbar-brand-pg {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--brand-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .navbar-brand-pg:hover {
            color: var(--brand-primary-dark);
        }

        .brand-badge {
            width: 38px;
            height: 38px;
            background: var(--brand-primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .navbar-links {
            display: flex;
            align-items: center;
            gap: 24px;
            flex: 1;
            justify-content: center;
        }

        .navbar-links a {
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 6px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .navbar-links a:hover {
            color: var(--brand-primary);
        }

        .navbar-links a.active {
            color: var(--brand-primary);
            font-weight: 600;
        }

        .navbar-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand-primary);
            border-radius: 2px;
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-search-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .nav-search-btn:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--brand-secondary);
        }

        .btn-nav-cta {
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            background: var(--brand-primary);
            color: #fff;
            border: 1px solid var(--brand-primary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--brand-primary-dark);
            border-color: var(--brand-primary-dark);
            color: #fff;
        }

        .navbar-toggler-pg {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            display: none;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 22px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .navbar-toggler-pg:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--brand-secondary);
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb-pg {
            padding-top: calc(var(--nav-height) + 20px);
            padding-bottom: 0;
        }

        .breadcrumb-pg .breadcrumb {
            margin: 0;
            padding: 8px 0;
            font-size: 13.5px;
            color: var(--text-light);
            background: transparent;
        }

        .breadcrumb-pg .breadcrumb a {
            color: var(--text-light);
            transition: color var(--transition-fast);
        }

        .breadcrumb-pg .breadcrumb a:hover {
            color: var(--brand-primary);
        }

        .breadcrumb-pg .breadcrumb .active {
            color: var(--brand-primary);
            font-weight: 500;
        }

        /* ===== HERO ===== */
        .hero-pg {
            padding-top: 32px;
            padding-bottom: 48px;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
        }

        .hero-pg .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-pg .hero-text h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero-pg .hero-text p {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 540px;
            margin-bottom: 24px;
        }

        .hero-pg .hero-text .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hero-pg .hero-text .hero-stats span {
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-pg .hero-text .hero-stats i {
            color: var(--brand-accent);
            font-size: 18px;
        }

        .hero-pg .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 280px;
            background: var(--brand-primary-deep);
            box-shadow: var(--shadow-lg);
        }

        .hero-pg .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .hero-pg .hero-visual .hero-badge {
            position: absolute;
            bottom: 16px;
            right: 16px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--brand-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.5px;
            backdrop-filter: blur(8px);
            z-index: 2;
        }

        .hero-pg .hero-visual::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 40px;
            background: linear-gradient(to bottom, rgba(15, 37, 64, 0.6), transparent);
            z-index: 1;
        }

        /* ===== FILTER PANEL ===== */
        .filter-panel-pg {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 32px;
        }

        .filter-panel-pg .filter-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            margin-bottom: 16px;
        }

        .filter-panel-pg .filter-row:last-child {
            margin-bottom: 0;
        }

        .filter-panel-pg .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            min-width: 60px;
        }

        .filter-panel-pg .filter-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .filter-panel-pg .filter-chip {
            padding: 7px 16px;
            font-size: 13.5px;
            font-weight: 500;
            border-radius: 20px;
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            color: var(--text-muted);
            cursor: pointer;
            transition: all var(--transition-fast);
            user-select: none;
        }

        .filter-panel-pg .filter-chip:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--brand-secondary);
        }

        .filter-panel-pg .filter-chip.active {
            border-color: var(--brand-primary);
            color: #fff;
            background: var(--brand-primary);
        }

        /* ===== CONFIG CARDS ===== */
        .config-card-pg {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .config-card-pg:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-hover);
        }

        .config-card-pg .config-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            flex-shrink: 0;
        }

        .config-card-pg .config-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .config-card-pg:hover .config-img-wrap img {
            transform: scale(1.04);
        }

        .config-card-pg .config-img-wrap .config-tier {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--brand-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.5px;
            z-index: 2;
        }

        .config-card-pg .config-body {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .config-card-pg .config-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .config-card-pg .config-body .config-specs {
            list-style: none;
            padding: 0;
            margin: 0 0 16px 0;
        }

        .config-card-pg .config-body .config-specs li {
            font-size: 14px;
            color: var(--text-muted);
            padding: 6px 0;
            border-bottom: 1px dashed var(--border-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
        }

        .config-card-pg .config-body .config-specs li:last-child {
            border-bottom: none;
        }

        .config-card-pg .config-body .config-specs li strong {
            color: var(--text-main);
            font-weight: 600;
        }

        .config-card-pg .config-body .btn-config {
            margin-top: auto;
            align-self: flex-start;
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 1px solid var(--brand-primary);
            color: var(--brand-primary);
            background: transparent;
            transition: all var(--transition-fast);
        }

        .config-card-pg .config-body .btn-config:hover {
            background: var(--brand-primary);
            color: #fff;
        }

        /* ===== COMPARISON BAR ===== */
        .comparison-pg {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .comparison-pg .comparison-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
        }

        .comparison-pg .comparison-header h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
        }

        .comparison-pg .comparison-header .comparison-tag {
            font-size: 13px;
            font-weight: 500;
            color: var(--brand-primary);
            background: var(--brand-secondary);
            padding: 5px 12px;
            border-radius: var(--radius-sm);
        }

        .comparison-pg .comparison-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border-light);
        }

        .comparison-pg .comparison-item:last-child {
            border-bottom: none;
        }

        .comparison-pg .comparison-item .comparison-name {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            min-width: 90px;
        }

        .comparison-pg .comparison-item .comparison-bar-wrap {
            flex: 1;
            height: 10px;
            background: var(--brand-secondary);
            border-radius: 5px;
            overflow: hidden;
        }

        .comparison-pg .comparison-item .comparison-bar {
            height: 100%;
            border-radius: 5px;
            transition: width var(--transition-base);
        }

        .comparison-pg .comparison-item .comparison-value {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
            min-width: 70px;
            text-align: right;
        }

        /* ===== SCENARIO CARDS ===== */
        .scenario-card-pg {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: all var(--transition-base);
        }

        .scenario-card-pg:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--brand-primary);
        }

        .scenario-card-pg .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--brand-secondary);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 14px;
        }

        .scenario-card-pg h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .scenario-card-pg p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-pg .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: var(--bg-white);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .faq-pg .accordion-item:hover {
            border-color: var(--brand-primary);
        }

        .faq-pg .accordion-button {
            background: var(--bg-white);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
        }

        .faq-pg .accordion-button:not(.collapsed) {
            background: var(--brand-secondary);
            color: var(--brand-primary);
            box-shadow: none;
        }

        .faq-pg .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--brand-primary);
            outline-offset: -2px;
        }

        .faq-pg .accordion-body {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            padding: 16px 20px;
            background: var(--bg-white);
        }

        /* ===== CTA ===== */
        .cta-pg {
            background: var(--brand-primary-deep);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-pg::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(58, 166, 166, 0.15);
            border-radius: 50%;
        }

        .cta-pg::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 180px;
            height: 180px;
            background: rgba(240, 160, 48, 0.1);
            border-radius: 50%;
        }

        .cta-pg h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-pg p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }

        .cta-pg .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-pg .btn-cta-primary {
            padding: 11px 26px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            background: var(--brand-accent-warm);
            color: var(--brand-primary-deep);
            border: none;
            transition: all var(--transition-fast);
        }

        .cta-pg .btn-cta-primary:hover {
            background: #e89424;
            color: var(--brand-primary-deep);
            transform: translateY(-2px);
        }

        .cta-pg .btn-cta-secondary-ghost {
            padding: 11px 26px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-fast);
        }

        .cta-pg .btn-cta-secondary-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* ===== FOOTER ===== */
        .footer-pg {
            background: var(--brand-primary-deep);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
            margin-top: 64px;
        }

        .footer-pg .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-pg .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-pg .footer-brand .brand-badge {
            background: var(--brand-primary);
            color: #fff;
        }

        .footer-pg .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-pg .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-pg .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-pg .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-pg .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-pg .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-pg .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-pg .footer-bottom .links {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .footer-pg .footer-bottom .links a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-pg .footer-bottom .links a:hover {
            color: #fff;
        }

        /* ===== MOBILE DRAWER ===== */
        @media (max-width: 992px) {
            .navbar-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                gap: 0;
                padding: 20px;
                transform: translateX(100%);
                transition: transform var(--transition-base);
                z-index: 1049;
                overflow-y: auto;
                box-shadow: var(--shadow-xl);
            }

            .navbar-links.open {
                transform: translateX(0);
            }

            .navbar-links a {
                font-size: 16px;
                padding: 14px 0;
                width: 100%;
                border-bottom: 1px solid var(--border-light);
                position: relative;
            }

            .navbar-links a::after {
                display: none;
            }

            .navbar-links a.active {
                background: var(--brand-secondary);
                border-radius: var(--radius-sm);
                padding-left: 12px;
            }

            .navbar-toggler-pg {
                display: flex;
            }

            .hero-pg .hero-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .hero-pg .hero-visual {
                min-height: 220px;
            }

            .footer-pg .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad-y: 48px;
                --nav-height: 60px;
            }

            .navbar-brand-pg {
                font-size: 17px;
            }

            .brand-badge {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }

            .btn-nav-cta {
                display: none;
            }

            .hero-pg .hero-text .hero-stats {
                flex-direction: column;
                gap: 8px;
            }

            .filter-panel-pg .filter-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .filter-panel-pg .filter-label {
                min-width: auto;
            }

            .cta-pg {
                padding: 32px 20px;
            }

            .footer-pg .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-pg .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 576px) {
            .hero-pg .hero-text h1 {
                font-size: 24px;
            }

            .config-card-pg .config-body .config-specs li {
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
            }

            .comparison-pg .comparison-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .comparison-pg .comparison-item .comparison-name {
                min-width: auto;
            }

            .comparison-pg .comparison-item .comparison-bar-wrap {
                width: 100%;
            }
        }

/* roulang page: category5 */
:root {
            --brand-primary: #1D5FA9;
            --brand-primary-dark: #1A4E91;
            --brand-primary-deep: #0F2540;
            --brand-secondary: #EAF2FB;
            --brand-accent: #3AA6A6;
            --brand-accent-warm: #F0A030;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --text-main: #0F2540;
            --text-muted: #52657F;
            --text-light: #7A8CA3;
            --border-light: #DCE5F0;
            --border-hover: #1D5FA9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(15, 37, 64, 0.05);
            --shadow-md: 0 12px 32px rgba(15, 37, 64, 0.08);
            --shadow-lg: 0 18px 40px rgba(15, 37, 64, 0.14);
            --shadow-xl: 0 28px 60px rgba(15, 37, 64, 0.18);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Inter', 'Roboto', sans-serif;
            --container-max: 1180px;
            --section-pad-y: 72px;
            --section-pad-y-mobile: 48px;
            --nav-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-main);
            background-color: var(--bg-page);
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            text-decoration: none;
            color: var(--brand-primary);
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container-custom {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        section {
            padding-top: var(--section-pad-y);
            padding-bottom: var(--section-pad-y);
        }
        .section-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--brand-secondary);
            border-radius: var(--radius-sm);
            padding: 6px 14px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: clamp(24px, 3.5vw, 34px);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 40px;
        }
        .section-desc.centered {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        /* ===== NAVBAR ===== */
        .navbar-pg {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            height: var(--nav-height);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 0 rgba(15, 37, 64, 0.04);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }
        .navbar-pg.scrolled {
            box-shadow: 0 4px 20px rgba(15, 37, 64, 0.08);
        }
        .navbar-pg .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .navbar-brand-pg {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--brand-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .navbar-brand-pg:hover {
            color: var(--brand-primary-dark);
        }
        .brand-badge {
            width: 38px;
            height: 38px;
            background: var(--brand-primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 26px;
            flex: 1;
            justify-content: center;
        }
        .navbar-links a {
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 4px 0;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-links a:hover {
            color: var(--brand-primary);
        }
        .navbar-links a.active {
            color: var(--brand-primary);
            font-weight: 600;
        }
        .navbar-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand-primary);
            border-radius: 2px;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 16px;
        }
        .nav-search-btn:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--brand-secondary);
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 10px;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--brand-primary-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .navbar-toggler-pg {
            width: 42px;
            height: 42px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            color: var(--text-main);
            display: none;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 22px;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-pg:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }
        .navbar-toggler-pg[aria-expanded="true"] {
            background: var(--brand-secondary);
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb-pg {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: var(--text-light);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .breadcrumb-pg a {
            color: var(--text-muted);
        }
        .breadcrumb-pg a:hover {
            color: var(--brand-primary);
        }
        .breadcrumb-pg .sep {
            color: var(--text-light);
            font-size: 12px;
        }
        .breadcrumb-pg .current {
            color: var(--brand-primary);
            font-weight: 600;
        }

        /* ===== HERO (compact) ===== */
        .hero-pg {
            position: relative;
            overflow: hidden;
            background: var(--brand-primary-deep);
            color: #fff;
            padding: 64px 0 72px;
        }
        .hero-pg .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }
        .hero-pg .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 37, 64, 0.95) 30%, rgba(29, 95, 169, 0.75) 100%);
            pointer-events: none;
        }
        .hero-pg .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero-pg h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            line-height: 1.3;
        }
        .hero-pg .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .hero-search-wrapper {
            max-width: 620px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 14px;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 6px 6px 6px 18px;
            transition: all var(--transition-base);
        }
        .hero-search-wrapper:focus-within {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.1);
        }
        .hero-search-wrapper i {
            color: rgba(255, 255, 255, 0.7);
            font-size: 18px;
        }
        .hero-search-wrapper input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            font-size: 15px;
            padding: 8px 0;
            font-family: var(--font-sans);
        }
        .hero-search-wrapper input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .hero-search-btn {
            background: var(--brand-accent-warm);
            color: var(--text-main);
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .hero-search-btn:hover {
            background: #e08d20;
            color: var(--text-main);
            transform: translateY(-1px);
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.75);
        }
        .hero-stat-item .num {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }

        /* ===== PROBLEM CATEGORY BADGES ===== */
        .badge-cat-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 12px;
        }
        .badge-cat-pg {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-white);
            color: var(--text-muted);
            font-size: 13.5px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 20px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .badge-cat-pg:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--brand-secondary);
            transform: translateY(-1px);
        }
        .badge-cat-pg.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }
        .badge-cat-pg i {
            font-size: 14px;
        }

        /* ===== FAQ ACCORDION ===== */
        .faq-accordion-pg .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg) !important;
            margin-bottom: 14px;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .faq-accordion-pg .accordion-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--brand-primary);
        }
        .faq-accordion-pg .accordion-button {
            background: var(--bg-white);
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            padding: 18px 24px;
            border: none;
            box-shadow: none;
            transition: color var(--transition-fast), background var(--transition-fast);
            font-family: var(--font-sans);
        }
        .faq-accordion-pg .accordion-button:not(.collapsed) {
            background: var(--brand-secondary);
            color: var(--brand-primary);
            box-shadow: none;
        }
        .faq-accordion-pg .accordion-button::after {
            background-image: none;
            content: '\F64D';
            font-family: 'Bootstrap Icons';
            font-size: 18px;
            color: var(--text-light);
            transition: transform var(--transition-base), color var(--transition-fast);
            width: auto;
            height: auto;
        }
        .faq-accordion-pg .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--brand-primary);
        }
        .faq-accordion-pg .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(29, 95, 169, 0.15);
            border-color: var(--brand-primary);
        }
        .faq-accordion-pg .accordion-body {
            padding: 16px 24px 22px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.75;
            border-top: 1px solid var(--border-light);
        }
        .faq-accordion-pg .accordion-body .faq-tag {
            display: inline-block;
            background: var(--brand-secondary);
            color: var(--brand-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 6px;
            margin-right: 8px;
        }

        /* ===== ERROR CODE TABLE ===== */
        .error-code-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            height: 100%;
        }
        .error-code-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--brand-primary);
            transform: translateY(-2px);
        }
        .error-code-card .code {
            font-family: 'Inter', 'Roboto', monospace;
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-primary);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .error-code-card .code-title {
            font-size: 14.5px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .error-code-card .code-desc {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .error-code-card .code-action {
            display: inline-block;
            margin-top: 12px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
            padding: 6px 0;
        }
        .error-code-card .code-action:hover {
            color: var(--brand-primary-dark);
        }

        /* ===== SUPPORT PROCESS ===== */
        .process-step {
            display: flex;
            gap: 16px;
            margin-bottom: 24px;
        }
        .process-step .step-icon {
            width: 48px;
            height: 48px;
            min-width: 48px;
            background: var(--brand-secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 20px;
            font-weight: 700;
        }
        .process-step .step-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .process-step .step-content p {
            font-size: 14.5px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== CTA BANNER ===== */
        .cta-banner-pg {
            background: var(--brand-primary-deep);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-banner-pg::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(58, 166, 166, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-banner-pg h3 {
            font-size: clamp(20px, 2.5vw, 28px);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .cta-banner-pg p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .btn-cta-pg-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-accent-warm);
            color: var(--text-main);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 10px;
            border: none;
            transition: all var(--transition-fast);
        }
        .btn-cta-pg-primary:hover {
            background: #e08d20;
            color: var(--text-main);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(240, 160, 48, 0.35);
        }
        .btn-cta-pg-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-fast);
            margin-left: 12px;
        }
        .btn-cta-pg-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: #fff;
        }

        /* ===== FOOTER ===== */
        .footer-pg {
            background: #0A1B30;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .footer-pg .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-pg .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-pg .footer-brand .brand-badge {
            background: var(--brand-primary);
        }
        .footer-pg .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 340px;
        }
        .footer-pg .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-pg .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-pg .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-pg .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color var(--transition-fast);
        }
        .footer-pg .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-pg .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-pg .footer-bottom .links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-pg .footer-bottom .links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }
        .footer-pg .footer-bottom .links a:hover {
            color: #fff;
        }
        .footer-pg .footer-bottom .links span {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== MOBILE NAV DRAWER ===== */
        .mobile-drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 37, 64, 0.5);
            z-index: 1040;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .mobile-drawer-overlay.show {
            display: block;
            opacity: 1;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: var(--bg-white);
            z-index: 1060;
            box-shadow: var(--shadow-xl);
            transition: right var(--transition-base);
            padding: 24px 20px;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-light);
        }
        .mobile-drawer .drawer-header .brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-primary);
        }
        .mobile-drawer .drawer-close {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 18px;
            transition: all var(--transition-fast);
        }
        .mobile-drawer .drawer-close:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }
        .mobile-drawer .drawer-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-drawer .drawer-links a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition-fast);
        }
        .mobile-drawer .drawer-links a i {
            font-size: 14px;
            color: var(--text-light);
        }
        .mobile-drawer .drawer-links a:hover {
            background: var(--brand-secondary);
            color: var(--brand-primary);
        }
        .mobile-drawer .drawer-links a.active {
            background: var(--brand-secondary);
            color: var(--brand-primary);
            font-weight: 600;
        }
        .mobile-drawer .drawer-cta {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
        }
        .mobile-drawer .drawer-cta .btn-nav-cta {
            width: 100%;
            justify-content: center;
            padding: 12px 20px;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            :root {
                --section-pad-y: 56px;
            }
            .navbar-links {
                gap: 18px;
            }
            .navbar-links a {
                font-size: 13.5px;
            }
            .footer-pg .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad-y: 48px;
                --nav-height: 60px;
            }
            body {
                padding-top: var(--nav-height);
            }
            .navbar-links {
                display: none;
            }
            .navbar-toggler-pg {
                display: flex;
            }
            .nav-search-btn {
                display: none;
            }
            .btn-nav-cta {
                padding: 9px 16px;
                font-size: 13px;
            }
            .navbar-brand-pg {
                font-size: 18px;
            }
            .brand-badge {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }
            .hero-pg {
                padding: 40px 0 48px;
            }
            .hero-pg h1 {
                font-size: clamp(24px, 5vw, 30px);
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-search-wrapper {
                flex-direction: column;
                align-items: stretch;
                padding: 12px;
            }
            .hero-search-wrapper input {
                text-align: left;
                padding: 6px 0;
            }
            .hero-search-btn {
                width: 100%;
                text-align: center;
            }
            .cta-banner-pg {
                padding: 32px 24px;
            }
            .btn-cta-pg-secondary {
                margin-left: 0;
                margin-top: 10px;
            }
            .footer-pg .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-pg .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .badge-cat-group {
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 8px;
            }
            .badge-cat-pg {
                white-space: nowrap;
                flex-shrink: 0;
            }
            section {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .section-sm {
                padding-top: 32px;
                padding-bottom: 32px;
            }
            .process-step {
                gap: 12px;
            }
            .process-step .step-icon {
                width: 40px;
                height: 40px;
                min-width: 40px;
                font-size: 16px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-pad-y: 36px;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-pg h1 {
                font-size: 22px;
            }
            .hero-pg .hero-desc {
                font-size: 14.5px;
            }
            .faq-accordion-pg .accordion-button {
                font-size: 14.5px;
                padding: 14px 18px;
            }
            .faq-accordion-pg .accordion-body {
                padding: 12px 18px 18px;
                font-size: 14px;
            }
            .error-code-card {
                padding: 18px;
            }
            .cta-banner-pg h3 {
                font-size: 19px;
            }
            .cta-banner-pg p {
                font-size: 14px;
            }
            .footer-pg {
                padding: 36px 0 20px;
            }
        }

/* roulang page: category6 */
:root {
            --brand-primary: #1D5FA9;
            --brand-primary-dark: #1A4E91;
            --brand-primary-deep: #0F2540;
            --brand-secondary: #EAF2FB;
            --brand-accent: #3AA6A6;
            --brand-accent-warm: #F0A030;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --text-main: #0F2540;
            --text-muted: #52657F;
            --text-light: #7A8CA3;
            --border-light: #DCE5F0;
            --border-hover: #1D5FA9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(15, 37, 64, 0.05);
            --shadow-md: 0 12px 32px rgba(15, 37, 64, 0.08);
            --shadow-lg: 0 18px 40px rgba(15, 37, 64, 0.14);
            --shadow-xl: 0 28px 60px rgba(15, 37, 64, 0.18);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Inter', 'Roboto', sans-serif;
            --container-max: 1180px;
            --section-pad-y: 72px;
            --section-pad-y-mobile: 48px;
            --nav-height: 68px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-main);
            background-color: var(--bg-page);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--brand-primary);
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        section {
            padding-top: var(--section-pad-y);
            padding-bottom: var(--section-pad-y);
        }
        .section-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--brand-secondary);
            border-radius: var(--radius-sm);
            padding: 6px 14px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: clamp(24px, 3.2vw, 32px);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 720px;
            margin-bottom: 40px;
        }
        .section-desc.centered {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .text-center-mobile {
            text-align: left;
        }
        /* ===== NAVBAR ===== */
        .navbar-pg {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            height: var(--nav-height);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 0 rgba(15, 37, 64, 0.04);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }
        .navbar-pg.scrolled {
            box-shadow: 0 4px 20px rgba(15, 37, 64, 0.08);
        }
        .navbar-pg .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .navbar-brand-pg {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: var(--brand-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .navbar-brand-pg:hover {
            color: var(--brand-primary-dark);
        }
        .brand-badge {
            width: 38px;
            height: 38px;
            background: var(--brand-primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 24px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }
        .navbar-links a {
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 4px 0;
            position: relative;
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }
        .navbar-links a:hover {
            color: var(--brand-primary);
        }
        .navbar-links a.active {
            color: var(--brand-primary);
            border-bottom-color: var(--brand-primary);
            font-weight: 600;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .nav-search-btn:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--brand-secondary);
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 9px 20px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--brand-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .navbar-toggler-pg {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            cursor: pointer;
            transition: all var(--transition-fast);
            display: none;
        }
        .navbar-toggler-pg:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }
        /* ===== MOBILE NAV ===== */
        .mobile-nav-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 37, 64, 0.5);
            z-index: 1049;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition-base);
        }
        .mobile-nav-overlay.show {
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            max-width: 85%;
            height: 100vh;
            background: #fff;
            z-index: 1051;
            padding: 24px 20px;
            transition: right var(--transition-base);
            overflow-y: auto;
            box-shadow: var(--shadow-xl);
        }
        .mobile-nav-panel.show {
            right: 0;
        }
        .mobile-nav-panel .mobile-nav-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }
        .mobile-nav-panel .close-mobile-nav {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            background: #fff;
            color: var(--text-main);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel .close-mobile-nav:hover {
            background: var(--brand-secondary);
            color: var(--brand-primary);
        }
        .mobile-nav-panel a.mobile-link {
            display: block;
            padding: 12px 8px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            border-bottom: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a.mobile-link:hover,
        .mobile-nav-panel a.mobile-link.active {
            background: var(--brand-secondary);
            color: var(--brand-primary);
        }
        .mobile-nav-panel .mobile-cta {
            display: block;
            margin-top: 20px;
            text-align: center;
            background: var(--brand-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 12px 20px;
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel .mobile-cta:hover {
            background: var(--brand-primary-dark);
            color: #fff;
        }
        /* ===== BREADCRUMB ===== */
        .breadcrumb-pg {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13.5px;
            color: var(--text-muted);
            padding: 0;
            margin: 0;
            list-style: none;
            background: transparent;
        }
        .breadcrumb-pg a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-pg a:hover {
            color: var(--brand-primary);
        }
        .breadcrumb-pg .separator {
            color: var(--text-light);
            font-size: 12px;
            margin: 0 2px;
        }
        .breadcrumb-pg .current {
            color: var(--brand-primary);
            font-weight: 600;
        }
        /* ===== HERO ===== */
        .hero-resource {
            padding-top: calc(var(--nav-height) + 40px);
            padding-bottom: 56px;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .hero-resource::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle at top right, rgba(29, 95, 169, 0.06), transparent 70%);
            pointer-events: none;
        }
        .hero-resource .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-resource .hero-breadcrumb {
            margin-bottom: 18px;
        }
        .hero-resource h1 {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .hero-resource h1 .highlight {
            color: var(--brand-primary);
        }
        .hero-resource .hero-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 520px;
            margin-bottom: 24px;
        }
        .hero-resource .hero-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .hero-resource .hero-stat {
            background: var(--brand-secondary);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            text-align: center;
            min-width: 90px;
        }
        .hero-resource .hero-stat .stat-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--brand-primary);
            display: block;
            line-height: 1.2;
        }
        .hero-resource .hero-stat .stat-label {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            margin-top: 4px;
        }
        .hero-resource .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 16/10;
            background: var(--brand-secondary);
            border: 1px solid var(--border-light);
        }
        .hero-resource .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-resource .hero-version-badge {
            position: absolute;
            bottom: 16px;
            right: 16px;
            background: var(--brand-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 6px 14px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        /* ===== FILTER TAGS ===== */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            color: var(--text-muted);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 13.5px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            user-select: none;
        }
        .filter-tag:hover,
        .filter-tag.active {
            border-color: var(--brand-primary);
            background: var(--brand-secondary);
            color: var(--brand-primary);
        }
        .filter-tag .tag-count {
            background: var(--bg-page);
            border-radius: 50%;
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 600;
        }
        .filter-tag.active .tag-count {
            background: var(--brand-primary);
            color: #fff;
        }
        /* ===== DOWNLOAD CARDS ===== */
        .download-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            transition: all var(--transition-base);
            height: 100%;
        }
        .download-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }
        .download-card .dc-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
        }
        .download-card .dc-icon {
            width: 46px;
            height: 46px;
            border-radius: var(--radius-md);
            background: var(--brand-secondary);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }
        .download-card .dc-badge {
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 50px;
            background: var(--brand-secondary);
            color: var(--brand-primary);
            white-space: nowrap;
        }
        .download-card .dc-badge.hot {
            background: #FFF3E0;
            color: #E67E22;
        }
        .download-card .dc-badge.new {
            background: #E8F5E9;
            color: #2E7D32;
        }
        .download-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
            line-height: 1.4;
        }
        .download-card .dc-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            flex-grow: 1;
        }
        .download-card .dc-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 13px;
            color: var(--text-light);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .download-card .dc-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .download-card .dc-meta i {
            font-size: 14px;
            color: var(--brand-primary);
        }
        .download-card .dc-bottom {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-download:hover {
            background: var(--brand-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .btn-download-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--brand-primary);
            border: 1px solid var(--brand-primary);
            border-radius: var(--radius-sm);
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-download-outline:hover {
            background: var(--brand-secondary);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary-dark);
        }
        /* Featured download card */
        .download-card-featured {
            background: var(--bg-white);
            border: 2px solid var(--brand-primary);
            border-radius: var(--radius-xl);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-md);
            margin-bottom: 32px;
        }
        .download-card-featured:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .download-card-featured .featured-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--brand-secondary);
            min-height: 100%;
        }
        .download-card-featured .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .download-card-featured .featured-body {
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .download-card-featured .featured-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-accent-warm);
            background: #FFF3E0;
            border-radius: 50px;
            padding: 4px 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            width: fit-content;
        }
        .download-card-featured h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
        }
        .download-card-featured .featured-desc {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.7;
            flex-grow: 1;
        }
        .download-card-featured .featured-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: var(--text-light);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .download-card-featured .featured-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .download-card-featured .featured-meta i {
            color: var(--brand-primary);
        }
        .download-card-featured .featured-actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        /* ===== RESOURCE CATEGORY ===== */
        .resource-cat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }
        .resource-cat-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition-base);
            height: 100%;
        }
        .resource-cat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }
        .resource-cat-card .rc-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: var(--brand-secondary);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 14px;
        }
        .resource-cat-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .resource-cat-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }
        /* ===== STEPS ===== */
        .steps-pg {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
        }
        .step-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            position: relative;
            transition: all var(--transition-base);
            height: 100%;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }
        .step-card .step-num {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        .step-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        /* ===== TIMELINE ===== */
        .timeline-pg {
            position: relative;
            padding-left: 32px;
        }
        .timeline-pg::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: var(--border-light);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding-bottom: 28px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 5px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--brand-primary);
            border: 3px solid var(--brand-secondary);
            box-shadow: 0 0 0 3px rgba(29, 95, 169, 0.15);
        }
        .timeline-item .ti-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--brand-secondary);
            border-radius: 50px;
            padding: 3px 12px;
            margin-bottom: 6px;
        }
        .timeline-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
        }
        .faq-accordion .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            padding: 18px 22px;
            background: var(--bg-white);
            box-shadow: none;
            border: none;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--brand-secondary);
            color: var(--brand-primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--brand-primary);
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
        }
        .faq-accordion .accordion-button::after {
            transition: transform var(--transition-fast);
        }
        .faq-accordion .accordion-body {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            padding: 4px 22px 20px;
            background: var(--bg-white);
        }
        /* ===== CTA ===== */
        .cta-pg {
            background: var(--brand-primary-deep);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-pg::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-pg h2 {
            font-size: clamp(22px, 3vw, 28px);
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-pg p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            max-width: 480px;
            margin-bottom: 24px;
        }
        .cta-pg .btn-cta-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--brand-primary-deep);
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .cta-pg .btn-cta-light:hover {
            background: var(--brand-secondary);
            color: var(--brand-primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .cta-pg .btn-cta-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            padding: 11px 22px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .cta-pg .btn-cta-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }
        /* ===== FOOTER ===== */
        .footer-pg {
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding: 48px 0 24px;
        }
        .footer-pg .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border-light);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-primary);
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--brand-primary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            font-size: 13px;
            color: var(--text-light);
        }
        .footer-bottom .links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom .links a {
            color: var(--text-light);
            font-size: 13px;
        }
        .footer-bottom .links a:hover {
            color: var(--brand-primary);
        }
        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .navbar-links {
                gap: 16px;
            }
            .navbar-links a {
                font-size: 13px;
            }
            .hero-resource .hero-grid {
                gap: 32px;
            }
            .download-card-featured {
                grid-template-columns: 1fr;
            }
            .download-card-featured .featured-img {
                aspect-ratio: 16/8;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad-y: 48px;
            }
            .navbar-links {
                display: none;
            }
            .navbar-toggler-pg {
                display: flex;
            }
            .btn-nav-cta {
                display: none;
            }
            .hero-resource {
                padding-top: calc(var(--nav-height) + 24px);
                padding-bottom: 36px;
            }
            .hero-resource .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-resource .hero-visual {
                aspect-ratio: 16/9;
            }
            .footer-pg .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .steps-pg {
                grid-template-columns: 1fr 1fr;
            }
            .cta-pg {
                padding: 32px 24px;
            }
            .download-card-featured .featured-body {
                padding: 20px;
            }
        }
        @media (max-width: 520px) {
            .hero-resource .hero-stats {
                gap: 10px;
            }
            .hero-resource .hero-stat {
                padding: 10px 14px;
                min-width: 70px;
            }
            .hero-resource .hero-stat .stat-num {
                font-size: 20px;
            }
            .resource-cat-grid {
                grid-template-columns: 1fr;
            }
            .steps-pg {
                grid-template-columns: 1fr;
            }
            .footer-pg .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .filter-tags {
                gap: 6px;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 12px;
            }
            .download-card {
                padding: 18px;
            }
            .download-card-featured .featured-body {
                padding: 16px;
            }
        }

/* roulang page: category7 */
:root {
  --brand-primary: #1D5FA9;
  --brand-primary-dark: #1A4E91;
  --brand-primary-deep: #0F2540;
  --brand-secondary: #EAF2FB;
  --brand-accent: #3AA6A6;
  --brand-accent-warm: #F0A030;
  --bg-page: #F5F8FC;
  --bg-white: #FFFFFF;
  --text-main: #0F2540;
  --text-muted: #52657F;
  --text-light: #7A8CA3;
  --border-light: #DCE5F0;
  --border-hover: #1D5FA9;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 2px 8px rgba(15, 37, 64, 0.05);
  --shadow-md: 0 12px 32px rgba(15, 37, 64, 0.08);
  --shadow-lg: 0 18px 40px rgba(15, 37, 64, 0.14);
  --shadow-xl: 0 28px 60px rgba(15, 37, 64, 0.18);
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Inter', 'Roboto', sans-serif;
  --container-max: 1180px;
  --section-pad-y: 72px;
  --section-pad-y-mobile: 48px;
  --nav-height: 68px;
}

/* 基础 reset 与全局 */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
*, *::before, *::after {
  box-sizing: border-box;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-main);
  background-color: var(--bg-page);
  overflow-x: hidden;
  padding-top: var(--nav-height);
}
a {
  text-decoration: none;
  color: var(--brand-primary);
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--brand-primary-dark);
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
  margin-bottom: 0.5em;
}
h1 {
  font-size: clamp(28px, 3.8vw, 38px);
  letter-spacing: -0.5px;
}
h2 {
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: -0.4px;
}
h3 {
  font-size: clamp(18px, 2.4vw, 22px);
}
h4 {
  font-size: 17px;
}
p {
  margin-bottom: 1rem;
}
.container-custom {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
section {
  padding-top: var(--section-pad-y);
  padding-bottom: var(--section-pad-y);
}
.section-sm {
  padding-top: 56px;
  padding-bottom: 56px;
}
.section-alt {
  background: var(--bg-white);
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-primary);
  background: var(--brand-secondary);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(24px, 3.2vw, 32px);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
  margin-bottom: 12px;
  letter-spacing: -0.4px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 760px;
  margin-bottom: 36px;
}
.section-desc.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.text-accent {
  color: var(--brand-accent);
}
.text-warm {
  color: var(--brand-accent-warm);
}

/* ===== NAVBAR ===== */
.navbar-pg {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  height: var(--nav-height);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 1px 0 rgba(15, 37, 64, 0.04);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  transition: box-shadow var(--transition-base), background var(--transition-base);
}
.navbar-pg.scrolled {
  box-shadow: 0 4px 20px rgba(15, 37, 64, 0.08);
}
.navbar-pg .navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}
.navbar-brand-pg {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--brand-primary);
  letter-spacing: -0.3px;
  white-space: nowrap;
  flex-shrink: 0;
}
.navbar-brand-pg:hover {
  color: var(--brand-primary-dark);
}
.brand-badge {
  width: 38px;
  height: 38px;
  background: var(--brand-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.navbar-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}
.navbar-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 2px;
  position: relative;
  white-space: nowrap;
  transition: color var(--transition-fast);
}
.navbar-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  background: var(--brand-primary);
  border-radius: 2px;
  transition: width var(--transition-base);
}
.navbar-links a:hover,
.navbar-links a.active {
  color: var(--brand-primary);
}
.navbar-links a:hover::after,
.navbar-links a.active::after {
  width: 100%;
}
.navbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-search-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 17px;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.nav-search-btn:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: var(--brand-secondary);
}
.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--brand-primary);
  color: #fff;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  white-space: nowrap;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.btn-nav-cta:hover {
  background: var(--brand-primary-dark);
  color: #fff;
  transform: translateY(-1px);
}
.navbar-toggler-pg {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  font-size: 22px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: none;
}
.navbar-toggler-pg:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

/* ===== 面包屑 ===== */
.breadcrumb-pg {
  background: transparent;
  padding: 16px 0 0;
  margin-bottom: 0;
  font-size: 13px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb-pg a {
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.breadcrumb-pg a:hover {
  color: var(--brand-primary);
}
.breadcrumb-pg .separator {
  color: #c0cbd8;
}
.breadcrumb-pg .current {
  color: var(--brand-primary);
  font-weight: 600;
}

/* ===== Hero 分类页紧凑版 ===== */
.hero-category {
  position: relative;
  background: var(--brand-primary-deep);
  padding: 56px 0 64px;
  overflow: hidden;
  min-height: 260px;
  display: flex;
  align-items: center;
}
.hero-category::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  z-index: 0;
}
.hero-category::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 37, 64, 0.92) 0%, rgba(29, 95, 169, 0.78) 60%, rgba(15, 37, 64, 0.9) 100%);
  z-index: 1;
}
.hero-category .container-custom {
  position: relative;
  z-index: 2;
}
.hero-category-content {
  max-width: 760px;
}
.hero-category .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}
.hero-category .hero-tag i {
  color: var(--brand-accent-warm);
}
.hero-category h1 {
  color: #fff;
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.hero-category .hero-sub {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  line-height: 1.7;
  max-width: 620px;
  margin-bottom: 0;
}
.hero-category .hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.hero-category .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hero-category .hero-stat .num {
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}
.hero-category .hero-stat .lbl {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== 面包屑包装 ===== */
.breadcrumb-wrap {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  padding: 12px 0;
}

/* ===== 排行区 ===== */
.rank-section {
  background: var(--bg-page);
}
.rank-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.rank-header .section-title {
  margin-bottom: 4px;
}
.rank-header .section-desc {
  margin-bottom: 0;
}
.rank-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.rank-filter-btn {
  padding: 8px 18px;
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.rank-filter-btn:hover,
.rank-filter-btn.active {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: var(--brand-secondary);
}
.rank-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.rank-item {
  display: flex;
  align-items: stretch;
  gap: 20px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}
.rank-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.rank-number {
  width: 48px;
  height: 48px;
  background: var(--brand-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: var(--brand-primary);
  flex-shrink: 0;
}
.rank-item:nth-child(1) .rank-number {
  background: #FFF7E6;
  color: var(--brand-accent-warm);
}
.rank-item:nth-child(2) .rank-number {
  background: #E8F4F4;
  color: var(--brand-accent);
}
.rank-item:nth-child(3) .rank-number {
  background: #F0E6F7;
  color: #7B4FA3;
}
.rank-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.rank-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.rank-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.rank-version-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--brand-secondary);
  color: var(--brand-primary);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}
.rank-rating {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
}
.rank-rating .stars {
  color: var(--brand-accent-warm);
  letter-spacing: 1px;
  font-size: 15px;
}
.rank-rating .score {
  font-weight: 700;
  color: var(--text-main);
}
.rank-rating .count {
  color: var(--text-light);
  font-size: 13px;
}
.rank-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}
.rank-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.rank-meta i {
  color: var(--brand-primary);
  font-size: 14px;
}
.rank-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0;
}
.rank-short-review {
  background: var(--brand-secondary);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 13.5px;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.6;
}
.rank-short-review i {
  color: var(--brand-accent-warm);
  flex-shrink: 0;
  margin-top: 2px;
}
.rank-thumb {
  width: 140px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-secondary);
}
.rank-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 数据概览 ===== */
.stats-overview {
  background: var(--bg-white);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.stat-card {
  text-align: center;
  padding: 24px 20px;
  background: var(--bg-page);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}
.stat-card:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
}
.stat-card .stat-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--brand-primary);
  letter-spacing: -0.5px;
  display: block;
  margin-bottom: 4px;
}
.stat-card .stat-num.warm {
  color: var(--brand-accent-warm);
}
.stat-card .stat-lbl {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}
.stat-card .stat-bar {
  width: 72px;
  height: 4px;
  background: var(--brand-primary);
  border-radius: 2px;
  margin: 12px auto 0;
  opacity: 0.7;
}

/* ===== 用户短评卡网格 ===== */
.reviews-grid-section {
  background: var(--bg-page);
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.review-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.review-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
  transform: translateY(-3px);
}
.review-card:nth-child(2) {
  margin-top: 20px;
}
.review-card:nth-child(5) {
  margin-top: 20px;
}
.review-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
}
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-primary);
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}
.review-user-info {
  flex: 1;
  min-width: 0;
}
.review-user-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}
.review-user-env {
  font-size: 12px;
  color: var(--text-light);
}
.review-card .stars {
  color: var(--brand-accent-warm);
  letter-spacing: 1px;
  font-size: 14px;
}
.review-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0;
  flex: 1;
}
.review-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.review-tags .tag {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--brand-secondary);
  color: var(--brand-primary);
  font-weight: 500;
}
.review-tags .tag.accent {
  background: #E8F4F4;
  color: var(--brand-accent);
}
.review-tags .tag.warm {
  background: #FFF7E6;
  color: var(--brand-accent-warm);
}

/* ===== 评测流程/标准 ===== */
.criteria-section {
  background: var(--bg-white);
}
.criteria-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.criteria-card {
  text-align: center;
  padding: 24px 16px;
  background: var(--bg-page);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}
.criteria-card:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.criteria-card .criteria-icon {
  width: 52px;
  height: 52px;
  background: var(--brand-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  color: var(--brand-primary);
  font-size: 22px;
}
.criteria-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}
.criteria-card p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-page);
}
.accordion-pg {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.accordion-pg .accordion-item-pg {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}
.accordion-pg .accordion-item-pg:hover {
  border-color: #c0cbd8;
}
.accordion-pg .accordion-item-pg.open {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
}
.accordion-header-pg {
  width: 100%;
  background: transparent;
  border: none;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  transition: color var(--transition-fast);
}
.accordion-header-pg:hover {
  color: var(--brand-primary);
}
.accordion-header-pg .icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-primary);
  font-size: 14px;
  transition: transform var(--transition-base);
  flex-shrink: 0;
}
.accordion-item-pg.open .accordion-header-pg .icon {
  transform: rotate(45deg);
  background: var(--brand-primary);
  color: #fff;
}
.accordion-body-pg {
  padding: 0 20px 18px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}
.accordion-body-pg p {
  margin-bottom: 0;
}

/* ===== CTA ===== */
.cta-banner {
  background: var(--brand-primary-deep);
  padding: 56px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  z-index: 0;
}
.cta-banner .container-custom {
  position: relative;
  z-index: 1;
}
.cta-banner h2 {
  color: #fff;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto 28px;
  line-height: 1.7;
}
.cta-banner .btn-cta-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: #fff;
  color: var(--brand-primary);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  border: none;
  transition: all var(--transition-fast);
}
.cta-banner .btn-cta-light:hover {
  background: var(--brand-secondary);
  color: var(--brand-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}
.cta-banner .btn-cta-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  margin-left: 12px;
  transition: all var(--transition-fast);
}
.cta-banner .btn-cta-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* ===== FOOTER ===== */
.footer-pg {
  background: var(--brand-primary-deep);
  color: rgba(255, 255, 255, 0.8);
  padding: 56px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand .brand-badge {
  background: var(--brand-primary);
}
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
  max-width: 340px;
  margin-bottom: 0;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-col a:hover {
  color: #fff;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  flex-wrap: wrap;
}
.footer-bottom .links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition-fast);
}
.footer-bottom a:hover {
  color: #fff;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .navbar-links {
    gap: 16px;
  }
  .navbar-links a {
    font-size: 13.5px;
  }
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .criteria-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}
@media (max-width: 768px) {
  :root {
    --section-pad-y: 48px;
    --section-pad-y-mobile: 40px;
  }
  .navbar-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    gap: 0;
    padding: 12px 20px 20px;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    display: none;
    z-index: 1040;
    align-items: flex-start;
  }
  .navbar-links.show {
    display: flex;
  }
  .navbar-links a {
    padding: 12px 0;
    width: 100%;
    font-size: 15px;
    border-bottom: 1px solid var(--border-light);
  }
  .navbar-links a:last-child {
    border-bottom: none;
  }
  .navbar-links a::after {
    display: none;
  }
  .navbar-links a.active {
    background: var(--brand-secondary);
    border-radius: var(--radius-sm);
    padding-left: 12px;
    padding-right: 12px;
  }
  .navbar-toggler-pg {
    display: flex;
  }
  .btn-nav-cta {
    display: none;
  }
  .hero-category {
    padding: 40px 0 48px;
    min-height: auto;
  }
  .hero-category .hero-stats {
    gap: 16px;
  }
  .hero-category .hero-stat .num {
    font-size: 22px;
  }
  .rank-item {
    flex-direction: column;
    padding: 18px;
    gap: 14px;
  }
  .rank-thumb {
    width: 100%;
    height: 160px;
  }
  .rank-number {
    width: 40px;
    height: 40px;
    font-size: 17px;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .review-card:nth-child(2),
  .review-card:nth-child(5) {
    margin-top: 0;
  }
  .criteria-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }
  .footer-bottom .links {
    justify-content: center;
  }
  .section-title {
    font-size: 22px;
  }
  .rank-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-banner .btn-cta-outline {
    margin-left: 0;
    margin-top: 10px;
  }
  .cta-banner .btn-cta-light,
  .cta-banner .btn-cta-outline {
    display: flex;
    width: 100%;
    justify-content: center;
  }
}
@media (max-width: 520px) {
  .container-custom {
    padding-left: 16px;
    padding-right: 16px;
  }
  .criteria-grid {
    grid-template-columns: 1fr;
  }
  .rank-meta {
    gap: 10px;
    font-size: 12px;
  }
  .rank-desc {
    font-size: 13px;
  }
  .hero-category h1 {
    font-size: 24px;
  }
  .rank-filters {
    gap: 8px;
  }
  .rank-filter-btn {
    padding: 6px 14px;
    font-size: 12px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .stat-card .stat-num {
    font-size: 26px;
  }
}