/* roulang page: index */
:root {
            --color-primary: #0F3D2E;
            --color-primary-dark: #0A2A1F;
            --color-primary-light: #1A5C45;
            --color-accent: #F57C00;
            --color-accent-dark: #E65100;
            --color-accent-light: #FF9800;
            --color-bg-light: #F9F9F9;
            --color-bg-white: #FFFFFF;
            --color-text: #4A4A4A;
            --color-text-dark: #1A1A1A;
            --color-text-light: #6B6B6B;
            --color-border: #E0E0E0;
            --color-border-light: #EEEEEE;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-pill: 50px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 8px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Inter', system-ui, -apple-system, sans-serif;
            --header-height: 80px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

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

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-family);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-text-dark);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.5rem;
        }

        h1 {
            font-size: 2.5rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.25rem;
        }

        p {
            margin-bottom: 1rem;
            color: var(--color-text);
        }

        .text-accent {
            color: var(--color-accent) !important;
        }
        .text-primary {
            color: var(--color-primary) !important;
        }
        .text-muted {
            color: var(--color-text-light) !important;
        }
        .bg-primary {
            background-color: var(--color-primary) !important;
        }
        .bg-accent {
            background-color: var(--color-accent) !important;
        }
        .bg-light {
            background-color: var(--color-bg-light) !important;
        }

        .btn {
            border-radius: var(--radius-pill);
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            background-color: transparent;
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn-outline:hover,
        .btn-outline:focus {
            background-color: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-outline-light {
            background-color: transparent;
            border-color: #fff;
            color: #fff;
        }
        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background-color: #fff;
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-lg {
            padding: 0.9rem 2.4rem;
            font-size: 1.05rem;
        }
        .btn-sm {
            padding: 0.45rem 1.2rem;
            font-size: 0.85rem;
        }

        .btn-text {
            background: none;
            border: none;
            color: var(--color-accent);
            padding: 0.4rem 0;
            font-weight: 600;
            border-radius: 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
        }
        .btn-text:hover {
            border-bottom-color: var(--color-accent);
            text-decoration: none;
            color: var(--color-accent-dark);
        }

        .card {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            background: #fff;
            transition: all var(--transition-normal);
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }
        .card-body {
            padding: 1.5rem;
        }
        .card-img-top {
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            object-fit: cover;
            width: 100%;
            aspect-ratio: 16/10;
        }

        .badge {
            border-radius: var(--radius-sm);
            padding: 0.35em 0.75em;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.02em;
        }
        .badge-accent {
            background-color: var(--color-accent);
            color: #fff;
        }
        .badge-outline {
            background: transparent;
            border: 1.5px solid var(--color-accent);
            color: var(--color-accent);
        }

        .tag {
            display: inline-block;
            padding: 0.3em 0.9em;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 500;
            background-color: #f0f0f0;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }
        .tag:hover {
            background-color: var(--color-accent);
            color: #fff;
            cursor: pointer;
            text-decoration: none;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.6rem;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 650px;
            margin-bottom: 2rem;
        }

        /* Navigation */
        .navbar {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: var(--header-height);
            border-bottom: 1px solid var(--color-border-light);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: all var(--transition-normal);
            padding: 0;
        }
        .navbar.scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(255, 255, 255, 0.98);
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary) !important;
            letter-spacing: -0.01em;
            padding: 0;
        }
        .navbar-brand:hover {
            color: var(--color-primary-dark) !important;
            text-decoration: none;
        }
        .navbar .nav-link {
            color: var(--color-text) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 0;
            margin: 0 1rem;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .navbar .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 3px 3px 0 0;
            transition: width var(--transition-normal);
        }
        .navbar .nav-link:hover,
        .navbar .nav-link.active {
            color: var(--color-accent) !important;
        }
        .navbar .nav-link:hover::after,
        .navbar .nav-link.active::after {
            width: 100%;
        }
        .navbar .nav-link.active {
            font-weight: 700;
        }
        .navbar-toggler {
            border: none;
            padding: 0.5rem;
            color: var(--color-primary);
            font-size: 1.5rem;
            box-shadow: none;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .navbar-toggler-icon {
            background-image: none;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
        }
        .navbar-toggler-icon::before {
            content: '\f0c9';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1.5rem;
        }
        .navbar-collapse {
            background: rgba(255, 255, 255, 0.98);
        }
        @media (max-width: 991.98px) {
            .navbar .nav-link {
                margin: 0.3rem 0;
                padding: 0.6rem 1rem;
                font-size: 1rem;
                border-bottom: 1px solid var(--color-border-light);
            }
            .navbar .nav-link::after {
                display: none;
            }
            .navbar-collapse {
                padding: 1rem;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                box-shadow: var(--shadow-lg);
            }
        }

        /* Hero */
        .hero-section {
            min-height: 80vh;
            background: linear-gradient(135deg, rgba(15, 61, 46, 0.82) 0%, rgba(10, 42, 31, 0.88) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .hero-section .hero-content {
            position: relative;
            z-index: 2;
            padding: 3rem 0;
        }
        .hero-section h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .hero-section .hero-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            max-width: 620px;
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 2.5rem;
        }
        .hero-stat-item {
            text-align: center;
            color: #fff;
        }
        .hero-stat-item .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
        }
        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.3rem;
        }
        .hero-group-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-pill);
            padding: 0.5rem 1.2rem;
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(6px);
        }
        .hero-group-badge .pulse-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #4caf50;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.6);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(76, 175, 80, 0);
            }
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2rem;
            }
            .hero-section .hero-desc {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 1.2rem;
            }
            .hero-stat-item .stat-number {
                font-size: 1.6rem;
            }
        }

        /* Solution Section - Asymmetric Grid */
        .solution-section {
            background-color: var(--color-bg-light);
            padding: 5rem 0;
        }
        .solution-asymmetric-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 1.5rem;
        }
        .solution-stack {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .solution-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 1.8rem;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            gap: 1.2rem;
            align-items: flex-start;
        }
        .solution-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .solution-card .solution-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .solution-card .solution-info h4 {
            font-size: 1.1rem;
            margin-bottom: 0.4rem;
            color: var(--color-text-dark);
        }
        .solution-card .solution-info p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .solution-side-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-normal);
            height: 100%;
        }
        .solution-side-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .solution-side-card img {
            width: 100%;
            aspect-ratio: 3/4;
            object-fit: cover;
        }
        .solution-side-card .side-card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .solution-side-card h4 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }
        .solution-side-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-bottom: 0;
        }
        @media (max-width: 991.98px) {
            .solution-asymmetric-grid {
                grid-template-columns: 1fr;
            }
            .solution-side-card img {
                aspect-ratio: 16/9;
            }
        }
        @media (max-width: 576px) {
            .solution-card {
                flex-direction: column;
                gap: 0.8rem;
            }
        }

        /* Data Stats Section */
        .data-stats-section {
            background-color: var(--color-primary);
            padding: 5rem 0;
            position: relative;
            overflow: hidden;
        }
        .data-stats-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(245, 124, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .data-stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            position: relative;
            z-index: 1;
        }
        .data-stat-card {
            text-align: center;
            padding: 2rem 1.5rem;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition-normal);
        }
        .data-stat-card:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
        }
        .data-stat-card .stat-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 0.8rem;
        }
        .data-stat-card .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            margin-bottom: 0.4rem;
        }
        .data-stat-card .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }
        @media (max-width: 991.98px) {
            .data-stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .data-stats-grid {
                grid-template-columns: 1fr;
            }
            .data-stat-card .stat-number {
                font-size: 2.4rem;
            }
        }

        /* Campaign Section */
        .campaign-section {
            padding: 5rem 0;
            background: var(--color-bg-white);
        }
        .campaign-banner {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, #1a5c3a 100%);
            border-radius: var(--radius-xl);
            padding: 3rem;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .campaign-banner::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(245, 124, 0, 0.25) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .campaign-banner .campaign-content {
            position: relative;
            z-index: 1;
        }
        .campaign-banner h3 {
            color: #fff;
            font-size: 1.6rem;
            margin-bottom: 0.8rem;
        }
        .campaign-banner p {
            color: rgba(255, 255, 255, 0.85);
            max-width: 550px;
            margin-bottom: 1.5rem;
        }
        .campaign-features {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        .campaign-feature-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
        }
        .campaign-feature-item i {
            color: var(--color-accent);
        }
        @media (max-width: 768px) {
            .campaign-banner {
                padding: 2rem 1.5rem;
            }
            .campaign-banner h3 {
                font-size: 1.3rem;
            }
        }

        /* Timeline / Upcoming Section */
        .upcoming-section {
            padding: 5rem 0;
            background-color: var(--color-bg-light);
        }
        .timeline-list {
            list-style: none;
            padding: 0;
            position: relative;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--color-border);
            border-radius: 3px;
        }
        .timeline-item {
            display: flex;
            gap: 1.5rem;
            margin-bottom: 2rem;
            position: relative;
            padding-left: 50px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 6px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid #fff;
            box-shadow: var(--shadow-sm);
            z-index: 1;
        }
        .timeline-item .timeline-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 1.5rem;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            flex: 1;
            transition: all var(--transition-normal);
        }
        .timeline-item .timeline-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateX(4px);
        }
        .timeline-item .timeline-date {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 0.9rem;
            margin-bottom: 0.3rem;
        }
        .timeline-item h4 {
            font-size: 1.1rem;
            margin-bottom: 0.3rem;
        }
        .timeline-item p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-bottom: 0;
        }
        @media (max-width: 576px) {
            .timeline-item {
                padding-left: 40px;
            }
            .timeline-list::before {
                left: 14px;
            }
            .timeline-item::before {
                left: 7px;
                width: 14px;
                height: 14px;
            }
        }

        /* News Section */
        .news-section {
            padding: 5rem 0;
            background-color: var(--color-bg-white);
        }
        .news-list-item {
            display: flex;
            gap: 1.2rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }
        .news-list-item:hover {
            background: #fafafa;
            padding-left: 0.5rem;
            border-radius: var(--radius-sm);
        }
        .news-date-badge {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            background: var(--color-accent);
            border-radius: var(--radius-md);
            color: #fff;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            line-height: 1.2;
        }
        .news-date-badge .day {
            font-size: 1.3rem;
        }
        .news-date-badge .month {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .news-info h4 {
            font-size: 1.05rem;
            margin-bottom: 0.3rem;
            color: var(--color-text-dark);
        }
        .news-info p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-bottom: 0.4rem;
            line-height: 1.6;
        }
        .news-info .btn-text {
            font-size: 0.85rem;
        }
        @media (max-width: 576px) {
            .news-list-item {
                flex-direction: column;
                gap: 0.6rem;
            }
            .news-date-badge {
                width: auto;
                height: auto;
                flex-direction: row;
                gap: 0.5rem;
                padding: 0.4rem 0.8rem;
                border-radius: var(--radius-pill);
                font-size: 0.85rem;
            }
            .news-date-badge .day,
            .news-date-badge .month {
                font-size: 0.85rem;
            }
        }

        /* Brand Intro */
        .brand-intro-section {
            padding: 5rem 0;
            background-color: var(--color-bg-light);
        }
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .brand-intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .brand-intro-image img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .brand-intro-image:hover img {
            transform: scale(1.03);
        }
        .brand-intro-text h3 {
            font-size: 1.6rem;
            margin-bottom: 1rem;
        }
        .brand-intro-text p {
            line-height: 1.9;
            color: var(--color-text);
            margin-bottom: 0.8rem;
        }
        @media (max-width: 991.98px) {
            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }

        /* Vertical Cards */
        .vertical-cards-section {
            padding: 5rem 0;
            background-color: var(--color-bg-white);
        }
        .vertical-cards-scroll {
            display: flex;
            gap: 1.2rem;
            overflow-x: auto;
            padding-bottom: 1rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .vertical-cards-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .vertical-cards-scroll::-webkit-scrollbar-track {
            background: #f0f0f0;
            border-radius: 3px;
        }
        .vertical-cards-scroll::-webkit-scrollbar-thumb {
            background: #ccc;
            border-radius: 3px;
        }
        .vertical-card {
            flex: 0 0 220px;
            scroll-snap-align: start;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: #fff;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        .vertical-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
        }
        .vertical-card img {
            width: 100%;
            aspect-ratio: 3/4;
            object-fit: cover;
        }
        .vertical-card .vcard-body {
            padding: 1rem;
        }
        .vertical-card .vcard-body h5 {
            font-size: 0.95rem;
            margin-bottom: 0.3rem;
            color: var(--color-text-dark);
        }
        .vertical-card .vcard-body p {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 0.5rem;
            line-height: 1.5;
        }
        .vertical-card .vcard-body .btn-sm {
            font-size: 0.78rem;
            padding: 0.35rem 1rem;
        }

        /* Steps Section */
        .steps-section {
            padding: 5rem 0;
            background-color: var(--color-bg-light);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .step-card {
            text-align: center;
            padding: 2.5rem 1.5rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
        }
        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            margin: 0 auto 1rem;
        }
        .step-card h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-bottom: 0;
        }
        @media (max-width: 991.98px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Testimonials */
        .testimonials-section {
            padding: 5rem 0;
            background: var(--color-primary);
            position: relative;
        }
        .testimonials-section::before {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 124, 0, 0.12) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2rem;
            position: relative;
            box-shadow: var(--shadow-lg);
            margin: 0.5rem;
        }
        .testimonial-card .quote-icon {
            font-size: 3rem;
            color: var(--color-accent);
            opacity: 0.3;
            position: absolute;
            top: 1rem;
            left: 1.5rem;
            line-height: 1;
        }
        .testimonial-card .testimonial-text {
            font-style: italic;
            color: var(--color-text);
            line-height: 1.8;
            margin-bottom: 1.2rem;
            padding-top: 1rem;
            font-size: 0.95rem;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .testimonial-author .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .testimonial-author .author-info .author-name {
            font-weight: 700;
            color: var(--color-text-dark);
            font-size: 0.9rem;
        }
        .testimonial-author .author-info .author-role {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }
        .testimonials-carousel .carousel-indicators {
            bottom: -40px;
        }
        .testimonials-carousel .carousel-indicators button {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.5);
            border: none;
            margin: 0 6px;
        }
        .testimonials-carousel .carousel-indicators button.active {
            background-color: var(--color-accent);
        }

        /* FAQ */
        .faq-section {
            padding: 5rem 0;
            background-color: var(--color-bg-white);
        }
        .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.8rem;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }
        .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-dark);
            background: #fff;
            padding: 1.2rem 1.5rem;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--color-primary);
            border-bottom: 1px solid var(--color-border-light);
        }
        .accordion-button::after {
            background-size: 1rem;
            transition: transform var(--transition-normal);
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--color-accent);
        }
        .accordion-body {
            padding: 1.2rem 1.5rem;
            color: var(--color-text);
            line-height: 1.8;
            font-size: 0.95rem;
            background: #fafafa;
        }
        .accordion-button .q-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            margin-right: 0.8rem;
            flex-shrink: 0;
        }

        /* CTA Banner */
        .cta-banner-section {
            padding: 5rem 0;
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }
        .cta-banner-section::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 450px;
            height: 450px;
            background: radial-gradient(circle, rgba(245, 124, 0, 0.2) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-banner-content {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .cta-banner-content h2 {
            color: #fff;
            font-size: 2.2rem;
            margin-bottom: 1rem;
        }
        .cta-banner-content p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            max-width: 550px;
            margin: 0 auto 2rem;
        }
        .cta-banner-content .btn {
            font-size: 1.1rem;
            padding: 1rem 2.8rem;
        }

        /* Footer */
        .site-footer {
            background: #1a1a1a;
            color: #aaa;
            padding: 4rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: #aaa;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.85rem;
        }
        .footer-bottom a {
            color: #aaa;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-bottom .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
        }
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* Section Spacing */
        section {
            position: relative;
        }
        .section-inner {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Platform Guarantee */
        .guarantee-section {
            padding: 5rem 0;
            background: var(--color-bg-white);
        }
        .guarantee-icons-row {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: center;
            text-align: center;
        }
        .guarantee-item {
            flex: 1;
            min-width: 140px;
            max-width: 200px;
            padding: 1.5rem;
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
            background: #fff;
            border: 1px solid transparent;
        }
        .guarantee-item:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .guarantee-item .g-icon {
            font-size: 2.2rem;
            color: var(--color-primary);
            margin-bottom: 0.8rem;
        }
        .guarantee-item h5 {
            font-size: 0.95rem;
            color: var(--color-text-dark);
            margin-bottom: 0.3rem;
        }
        .guarantee-item p {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 0;
        }

        /* Sync Section */
        .sync-section {
            padding: 5rem 0;
            background: var(--color-bg-light);
        }
        .sync-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .sync-image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        .sync-text h3 {
            font-size: 1.6rem;
            margin-bottom: 1rem;
        }
        .sync-text ul {
            list-style: none;
            padding: 0;
        }
        .sync-text ul li {
            padding: 0.5rem 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            color: var(--color-text);
            font-size: 0.95rem;
        }
        .sync-text ul li i {
            color: var(--color-accent);
            font-size: 1rem;
        }
        @media (max-width: 991.98px) {
            .sync-grid {
                grid-template-columns: 1fr;
            }
        }

        /* General responsive */
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            section {
                padding: 3rem 0 !important;
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                min-height: 70vh;
            }
            .btn {
                padding: 0.55rem 1.2rem;
                font-size: 0.85rem;
            }
            .btn-lg {
                padding: 0.7rem 1.6rem;
                font-size: 0.9rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0F3D2E;
            --color-primary-dark: #0A2A1F;
            --color-primary-light: #1A5C45;
            --color-accent: #F57C00;
            --color-accent-dark: #E65100;
            --color-accent-light: #FF9800;
            --color-bg-light: #F9F9F9;
            --color-bg-white: #FFFFFF;
            --color-text: #4A4A4A;
            --color-text-dark: #1A1A1A;
            --color-text-light: #6B6B6B;
            --color-border: #E0E0E0;
            --color-border-light: #EEEEEE;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-pill: 50px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 8px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Inter', system-ui, -apple-system, sans-serif;
            --header-height: 80px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

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

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-family);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .text-accent {
            color: var(--color-accent) !important;
        }

        .text-primary {
            color: var(--color-primary) !important;
        }

        .text-muted {
            color: var(--color-text-light) !important;
        }

        .btn {
            border-radius: var(--radius-pill);
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            background-color: transparent;
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .btn-outline:hover,
        .btn-outline:focus {
            background-color: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-outline-light {
            background-color: transparent;
            border-color: #fff;
            color: #fff;
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background-color: #fff;
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-lg {
            padding: 0.9rem 2.4rem;
            font-size: 1.05rem;
        }

        .btn-sm {
            padding: 0.45rem 1.2rem;
            font-size: 0.85rem;
        }

        .btn-text {
            background: none;
            border: none;
            color: var(--color-accent);
            padding: 0.4rem 0;
            font-weight: 600;
            border-radius: 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
        }

        .btn-text:hover {
            border-bottom-color: var(--color-accent);
            text-decoration: none;
            color: var(--color-accent-dark);
        }

        .card {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            background: #fff;
            transition: all var(--transition-normal);
            overflow: hidden;
            height: 100%;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }

        .card-body {
            padding: 1.5rem;
        }

        .card-img-top {
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            object-fit: cover;
            width: 100%;
            aspect-ratio: 16/10;
        }

        .badge {
            border-radius: var(--radius-sm);
            padding: 0.35em 0.75em;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.02em;
        }

        .badge-accent {
            background-color: var(--color-accent);
            color: #fff;
        }

        .badge-outline-accent {
            background-color: transparent;
            border: 1px solid var(--color-accent);
            color: var(--color-accent);
        }

        /* 导航 */
        #mainNavbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: var(--header-height);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

        #mainNavbar.scrolled {
            box-shadow: var(--shadow-md);
            background-color: rgba(255, 255, 255, 0.98);
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary) !important;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .navbar-brand:hover {
            color: var(--color-primary-dark) !important;
            text-decoration: none;
        }

        .navbar-nav .nav-link {
            color: var(--color-text);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--color-accent);
            text-decoration: none;
        }

        .navbar-nav .nav-link.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 1rem;
            right: 1rem;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 3px 3px 0 0;
        }

        .navbar-toggler {
            border: none;
            padding: 0.5rem;
            color: var(--color-primary);
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(15, 61, 46, 0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* 内页Hero */
        .inner-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 4rem 0;
            min-height: 280px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .inner-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 61, 46, 0.82) 0%, rgba(10, 42, 31, 0.75) 100%);
            z-index: 1;
        }

        .inner-hero .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .inner-hero h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .inner-hero .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 650px;
            line-height: 1.7;
        }

        /* 分类页2特色卡片布局 */
        .featured-card-large {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: #fff;
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }

        .featured-card-large:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }

        .featured-card-large .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

        .featured-card-large .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .featured-card-large:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .featured-card-large .card-content {
            padding: 1.6rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .featured-card-large .card-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.6rem;
            line-height: 1.4;
        }

        .featured-card-large .card-desc {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 0.8rem;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.82rem;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }

        .card-meta .date-badge {
            background-color: var(--color-accent);
            color: #fff;
            padding: 0.25em 0.7em;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.78rem;
            white-space: nowrap;
        }

        .compact-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: #fff;
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }

        .compact-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .compact-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

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

        .compact-card:hover .card-img-wrap img {
            transform: scale(1.03);
        }

        .compact-card .card-content {
            padding: 1.1rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .compact-card .card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.4rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .compact-card .card-desc {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 0.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* 板块 */
        .section-padding {
            padding: 4rem 0;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 48px;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 3px;
        }

        .section-subtitle {
            color: var(--color-text-light);
            font-size: 1rem;
            margin-bottom: 2rem;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-section {
            background-color: var(--color-bg-light);
        }

        .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }

        .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }

        .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-dark);
            background-color: #fff;
            padding: 1.1rem 1.3rem;
            border: none;
            box-shadow: none !important;
            transition: all var(--transition-fast);
            gap: 0.6rem;
        }

        .accordion-button::before {
            content: 'Q';
            color: var(--color-accent);
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background-color: #fafdfb;
            border-bottom: 1px solid var(--color-border-light);
        }

        .accordion-button:not(.collapsed)::before {
            color: var(--color-primary);
        }

        .accordion-button::after {
            flex-shrink: 0;
            width: 1.2rem;
            height: 1.2rem;
            background-size: 1.2rem;
            transition: transform var(--transition-normal);
        }

        .accordion-body {
            padding: 1.2rem 1.3rem;
            color: var(--color-text);
            line-height: 1.8;
            font-size: 0.95rem;
            animation: fadeInDown 0.3s ease;
        }

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* CTA横幅 */
        .cta-banner {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            padding: 3.5rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(245, 124, 0, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -70px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(255, 152, 0, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-banner h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: 1.5rem;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 页脚 */
        .site-footer {
            background-color: #1a1a1a;
            color: #ccc;
            padding: 3rem 0 0;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .footer-col h5 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: #aaa;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
            text-decoration: none;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            gap: 0.75rem;
            font-size: 0.82rem;
            color: #888;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .footer-links a {
            color: #aaa;
            font-size: 0.82rem;
        }

        .footer-links a:hover {
            color: var(--color-accent-light);
            text-decoration: none;
        }

        .footer-links span {
            color: #777;
            font-size: 0.8rem;
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }

            .inner-hero {
                padding: 3rem 0;
                min-height: 220px;
            }

            .inner-hero h1 {
                font-size: 1.7rem;
            }

            .section-padding {
                padding: 2.5rem 0;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .navbar-nav .nav-link.active::after {
                left: 0.5rem;
                right: 0.5rem;
            }
        }

        @media (max-width: 767.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }

            .footer-links {
                justify-content: center;
                flex-wrap: wrap;
            }

            .inner-hero {
                padding: 2.5rem 0;
                min-height: 200px;
                text-align: center;
            }

            .inner-hero h1 {
                font-size: 1.5rem;
            }

            .inner-hero .hero-subtitle {
                font-size: 0.95rem;
                margin-left: auto;
                margin-right: auto;
            }

            .section-title {
                font-size: 1.35rem;
            }

            .section-title::after {
                left: 50%;
                transform: translateX(-50%);
            }

            .cta-banner h2 {
                font-size: 1.5rem;
            }

            .featured-card-large .card-title {
                font-size: 1.1rem;
            }

            .compact-card .card-title {
                font-size: 0.95rem;
            }

            .navbar-collapse {
                background: #fff;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                padding: 1rem;
                box-shadow: var(--shadow-lg);
                margin-top: 0.5rem;
            }

            .navbar-nav .nav-link {
                padding: 0.6rem 0.5rem;
            }

            .navbar-nav .nav-link.active::after {
                bottom: 2px;
                left: 0.5rem;
                right: 0.5rem;
            }
        }

        @media (max-width: 519.98px) {
            .inner-hero {
                padding: 2rem 0;
                min-height: 180px;
            }

            .inner-hero h1 {
                font-size: 1.3rem;
            }

            .section-padding {
                padding: 2rem 0;
            }

            .featured-card-large .card-content {
                padding: 1.1rem;
            }

            .compact-card .card-content {
                padding: 0.9rem;
            }

            .btn {
                padding: 0.55rem 1.3rem;
                font-size: 0.88rem;
            }

            .btn-lg {
                padding: 0.7rem 1.8rem;
                font-size: 0.95rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0F3D2E;
            --color-primary-dark: #0A2A1F;
            --color-primary-light: #1A5C45;
            --color-accent: #F57C00;
            --color-accent-dark: #E65100;
            --color-accent-light: #FF9800;
            --color-bg-light: #F9F9F9;
            --color-bg-white: #FFFFFF;
            --color-text: #4A4A4A;
            --color-text-dark: #1A1A1A;
            --color-text-light: #6B6B6B;
            --color-border: #E0E0E0;
            --color-border-light: #EEEEEE;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-pill: 50px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 8px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Inter', system-ui, -apple-system, sans-serif;
            --header-height: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

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

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent-dark);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-family);
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .text-accent {
            color: var(--color-accent) !important;
        }
        .text-primary {
            color: var(--color-primary) !important;
        }
        .text-muted {
            color: var(--color-text-light) !important;
        }

        .btn {
            border-radius: var(--radius-pill);
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }
        .btn-outline {
            background-color: transparent;
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn-outline:hover,
        .btn-outline:focus {
            background-color: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }
        .btn-outline-light {
            background-color: transparent;
            border-color: #fff;
            color: #fff;
        }
        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background-color: #fff;
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }
        .btn-lg {
            padding: 0.9rem 2.4rem;
            font-size: 1.05rem;
        }
        .btn-sm {
            padding: 0.45rem 1.2rem;
            font-size: 0.85rem;
        }
        .btn-text {
            background: none;
            border: none;
            color: var(--color-accent);
            padding: 0.4rem 0;
            font-weight: 600;
            border-radius: 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
        }
        .btn-text:hover {
            border-bottom-color: var(--color-accent);
            text-decoration: none;
            color: var(--color-accent-dark);
        }

        .card {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            background: #fff;
            transition: all var(--transition-normal);
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }
        .card-body {
            padding: 1.5rem;
        }
        .card-img-top {
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            object-fit: cover;
            width: 100%;
            aspect-ratio: 16/10;
        }

        .badge {
            border-radius: var(--radius-sm);
            padding: 0.35em 0.75em;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.02em;
        }
        .badge-accent {
            background-color: var(--color-accent);
            color: #fff;
        }
        .badge-primary {
            background-color: var(--color-primary);
            color: #fff;
        }

        /* Navbar */
        #mainNavbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        #mainNavbar .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        #mainNavbar .navbar-brand:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
        }
        #mainNavbar .nav-link {
            color: var(--color-text);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            margin: 0 0.25rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        #mainNavbar .nav-link:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        #mainNavbar .nav-link.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        #mainNavbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
        }
        #mainNavbar .navbar-toggler {
            border: none;
            padding: 0.5rem;
            color: var(--color-primary);
        }
        #mainNavbar .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        @media (max-width: 991.98px) {
            #mainNavbar .navbar-collapse {
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                padding: 1rem 1.5rem;
                box-shadow: var(--shadow-lg);
                margin-top: 0.5rem;
            }
            #mainNavbar .nav-link {
                padding: 0.7rem 1rem;
                margin: 0.15rem 0;
                font-size: 1rem;
            }
            #mainNavbar .nav-link.active::after {
                bottom: 2px;
                width: 20px;
            }
        }

        /* Section spacing */
        .section {
            padding: 4rem 0;
        }
        .section-lg {
            padding: 5.5rem 0;
        }
        .section-sm {
            padding: 2.5rem 0;
        }
        @media (max-width: 767.98px) {
            .section {
                padding: 2.5rem 0;
            }
            .section-lg {
                padding: 3.5rem 0;
            }
        }

        /* Hero */
        .hero-inner {
            position: relative;
            min-height: 50vh;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 61, 46, 0.82) 0%, rgba(10, 42, 31, 0.7) 100%);
            z-index: 1;
        }
        .hero-inner .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 3rem 0;
        }
        .hero-inner h1 {
            font-size: 2.5rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
            color: #fff;
        }
        .hero-inner .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.8;
        }
        @media (max-width: 767.98px) {
            .hero-inner {
                min-height: 38vh;
            }
            .hero-inner h1 {
                font-size: 1.8rem;
            }
            .hero-inner .hero-subtitle {
                font-size: 1rem;
            }
        }

        /* Stats row */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
        }
        .stat-card {
            flex: 1 1 180px;
            min-width: 160px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 0.6rem;
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-top: 0.3rem;
        }

        /* Two column card list */
        .two-col-card {
            display: flex;
            flex-direction: row;
            gap: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            background: #fff;
            transition: all var(--transition-normal);
            margin-bottom: 1.5rem;
        }
        .two-col-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
        }
        .two-col-card .card-img-wrap {
            flex: 0 0 40%;
            min-width: 280px;
            overflow: hidden;
            position: relative;
        }
        .two-col-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .two-col-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .two-col-card .card-content {
            flex: 1;
            padding: 1.8rem 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .two-col-card .card-content .card-date {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-bottom: 0.4rem;
        }
        .two-col-card .card-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.6rem;
            line-height: 1.4;
        }
        .two-col-card .card-content p {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        @media (max-width: 767.98px) {
            .two-col-card {
                flex-direction: column;
            }
            .two-col-card .card-img-wrap {
                flex: 0 0 auto;
                min-width: 100%;
                aspect-ratio: 16/9;
            }
            .two-col-card .card-content {
                padding: 1.2rem 1.2rem;
            }
        }

        /* Feature list */
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .feature-list li {
            padding: 0.7rem 0;
            padding-left: 2rem;
            position: relative;
            font-size: 1rem;
            color: var(--color-text);
            line-height: 1.7;
            border-bottom: 1px solid var(--color-border-light);
        }
        .feature-list li:last-child {
            border-bottom: none;
        }
        .feature-list li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 0.7rem;
            color: var(--color-accent);
            font-size: 1.05rem;
        }

        /* FAQ */
        .faq-section .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: #fff;
        }
        .faq-section .accordion-button {
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--color-text-dark);
            background: #fff;
            padding: 1.1rem 1.5rem;
            box-shadow: none;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }
        .faq-section .accordion-button:not(.collapsed) {
            background-color: var(--color-bg-light);
            color: var(--color-primary);
            box-shadow: none;
        }
        .faq-section .accordion-button::after {
            background-size: 1rem;
            transition: transform var(--transition-normal);
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(245, 124, 0, 0.2);
            border-color: var(--color-accent);
        }
        .faq-section .accordion-body {
            padding: 1rem 1.5rem 1.5rem;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.8;
        }
        .faq-section .accordion-button .faq-q {
            color: var(--color-accent);
            font-weight: 700;
            margin-right: 0.5rem;
            font-size: 1.1rem;
        }

        /* CTA Banner */
        .cta-banner {
            background: var(--color-primary);
            color: #fff;
            padding: 3.5rem 2rem;
            border-radius: var(--radius-xl);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: rgba(245, 124, 0, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -40px;
            width: 180px;
            height: 180px;
            background: rgba(245, 124, 0, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 700;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            position: relative;
            z-index: 1;
            margin-bottom: 1.5rem;
        }
        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 3.5rem 0 2rem;
            margin-top: 3rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .site-footer h5 {
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 0.5rem;
        }
        .site-footer ul li a {
            color: #aaa;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: var(--color-accent-light);
            text-decoration: none;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.85rem;
            color: #888;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            align-items: center;
        }
        .site-footer .footer-links a {
            color: #aaa;
            font-size: 0.85rem;
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent-light);
            text-decoration: none;
        }
        @media (max-width: 991.98px) {
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }
        @media (max-width: 575.98px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer .footer-links {
                justify-content: center;
                gap: 0.8rem;
            }
        }

        /* Utility */
        .bg-light-section {
            background-color: var(--color-bg-light);
        }
        .bg-dark-section {
            background-color: var(--color-primary);
            color: #fff;
        }
        .bg-dark-section h2,
        .bg-dark-section h3 {
            color: #fff;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.6rem;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 650px;
            margin: 0 auto 2.5rem;
        }
        @media (max-width: 767.98px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 1.8rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #0F3D2E;
            --color-primary-dark: #0A2A1F;
            --color-primary-light: #1A5C45;
            --color-accent: #F57C00;
            --color-accent-dark: #E65100;
            --color-accent-light: #FF9800;
            --color-bg-light: #F9F9F9;
            --color-bg-white: #FFFFFF;
            --color-text: #4A4A4A;
            --color-text-dark: #1A1A1A;
            --color-text-light: #6B6B6B;
            --color-border: #E0E0E0;
            --color-border-light: #EEEEEE;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-pill: 50px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 8px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Inter', system-ui, -apple-system, sans-serif;
            --header-height: 80px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

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

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-family);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .text-accent {
            color: var(--color-accent) !important;
        }

        .text-primary {
            color: var(--color-primary) !important;
        }

        .text-muted {
            color: var(--color-text-light) !important;
        }

        .btn {
            border-radius: var(--radius-pill);
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            background-color: transparent;
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .btn-outline:hover,
        .btn-outline:focus {
            background-color: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-outline-light {
            background-color: transparent;
            border-color: #fff;
            color: #fff;
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background-color: #fff;
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-lg {
            padding: 0.9rem 2.4rem;
            font-size: 1.05rem;
        }

        .btn-sm {
            padding: 0.45rem 1.2rem;
            font-size: 0.85rem;
        }

        .btn-text {
            background: none;
            border: none;
            color: var(--color-accent);
            padding: 0.4rem 0;
            font-weight: 600;
            border-radius: 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .btn-text:hover {
            border-bottom-color: var(--color-accent);
            text-decoration: none;
            color: var(--color-accent-dark);
        }

        .card {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            background: #fff;
            transition: all var(--transition-normal);
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }

        .card-body {
            padding: 1.5rem;
        }

        .card-img-top {
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            object-fit: cover;
            width: 100%;
            aspect-ratio: 16/10;
        }

        .badge {
            border-radius: var(--radius-sm);
            padding: 0.35em 0.75em;
            font-weight: 600;
            font-size: 0.8rem;
            display: inline-block;
            line-height: 1.4;
        }
        .badge-accent {
            background-color: var(--color-accent);
            color: #fff;
        }
        .badge-outline {
            background-color: transparent;
            border: 1px solid var(--color-accent);
            color: var(--color-accent);
        }
        .badge-light {
            background-color: #e8f5e9;
            color: var(--color-primary);
        }

        /* 导航 */
        #mainNavbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--header-height);
            background-color: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        #mainNavbar.scrolled {
            box-shadow: var(--shadow-md);
            background-color: rgba(255, 255, 255, 0.97);
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary) !important;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .navbar-brand:hover {
            color: var(--color-primary-dark) !important;
            text-decoration: none;
        }

        #mainNavbar .nav-link {
            color: var(--color-text-dark) !important;
            font-weight: 500;
            font-size: 0.9rem;
            padding: 0.5rem 1rem;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        #mainNavbar .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 1rem;
            right: 1rem;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 3px 3px 0 0;
            transform: scaleX(0);
            transition: transform var(--transition-normal);
            transform-origin: center;
        }

        #mainNavbar .nav-link:hover {
            color: var(--color-accent) !important;
            text-decoration: none;
        }

        #mainNavbar .nav-link:hover::after {
            transform: scaleX(1);
        }

        #mainNavbar .nav-link.active {
            color: var(--color-accent) !important;
            font-weight: 700;
        }

        #mainNavbar .nav-link.active::after {
            transform: scaleX(1);
            background-color: var(--color-accent);
        }

        .navbar-toggler {
            border: none;
            padding: 0.4rem 0.6rem;
            color: var(--color-primary);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(15, 61, 46, 0.2);
            outline: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(15,61,46,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991px) {
            #navbarMain {
                background-color: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                padding: 1rem 1.5rem;
                box-shadow: var(--shadow-xl);
                max-height: 80vh;
                overflow-y: auto;
            }
            #mainNavbar .nav-link {
                padding: 0.7rem 0.5rem;
                font-size: 1rem;
                border-bottom: 1px solid var(--color-border-light);
            }
            #mainNavbar .nav-link:last-child {
                border-bottom: none;
            }
            #mainNavbar .nav-link::after {
                display: none;
            }
            #mainNavbar .nav-link.active {
                background-color: #fef9f4;
                border-radius: var(--radius-sm);
                padding-left: 0.8rem;
            }
        }

        /* Hero */
        .category-hero {
            position: relative;
            min-height: 45vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-position: center 40%;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 61, 46, 0.82) 0%, rgba(10, 42, 31, 0.7) 100%);
            z-index: 1;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 3rem 0;
        }

        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            line-height: 1.3;
        }

        .category-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            line-height: 1.7;
        }

        .category-hero .hero-badge {
            display: inline-block;
            background-color: var(--color-accent);
            color: #fff;
            padding: 0.4rem 1.2rem;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }

        /* 板块通用 */
        .section-block {
            padding: 4rem 0;
        }

        .section-block.bg-light {
            background-color: var(--color-bg-light);
        }

        .section-block.bg-dark {
            background-color: var(--color-primary);
            color: #fff;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }

        .section-title.text-white {
            color: #fff;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 700px;
            line-height: 1.7;
        }

        .section-subtitle.text-white-muted {
            color: rgba(255, 255, 255, 0.75);
        }

        /* 左侧文章列表卡片 */
        .article-list-card {
            display: flex;
            gap: 1.25rem;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            padding: 1rem;
            transition: all var(--transition-normal);
            cursor: pointer;
            margin-bottom: 1.25rem;
        }

        .article-list-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .article-list-card .article-thumb {
            flex-shrink: 0;
            width: 200px;
            height: 140px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .article-list-card .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .article-list-card:hover .article-thumb img {
            transform: scale(1.05);
        }

        .article-list-card .article-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }

        .article-list-card .article-date {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 0.3rem;
        }

        .article-list-card .article-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.4rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-list-card .article-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.5rem;
        }

        .article-list-card .article-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        /* 侧边栏 */
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }

        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 1rem;
            padding-bottom: 0.6rem;
            border-bottom: 2px solid var(--color-accent);
            display: inline-block;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .tag-cloud .tag {
            display: inline-block;
            padding: 0.4rem 0.9rem;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 500;
            background-color: #f5f0e8;
            color: var(--color-text);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .tag-cloud .tag:hover {
            background-color: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            text-decoration: none;
            transform: translateY(-1px);
        }

        .tag-cloud .tag.hot {
            background-color: #fff3e6;
            color: var(--color-accent-dark);
            font-weight: 600;
            border-color: var(--color-accent-light);
        }

        /* 数据亮点 */
        .stat-card {
            text-align: center;
            padding: 2rem 1.5rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
        }

        .stat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
        }

        .stat-card .stat-icon {
            font-size: 2.5rem;
            color: var(--color-accent);
            margin-bottom: 0.8rem;
        }

        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-top: 0.3rem;
        }

        /* FAQ */
        .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }

        .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-dark);
            background-color: #fff;
            padding: 1.1rem 1.5rem;
            transition: all var(--transition-fast);
            border-radius: var(--radius-md) !important;
        }

        .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background-color: #f9faf9;
            box-shadow: none;
            border-bottom: 1px solid var(--color-border-light);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(15, 61, 46, 0.1);
            border-color: var(--color-primary-light);
        }

        .accordion-button::after {
            background-size: 1rem;
        }

        .accordion-body {
            padding: 1.2rem 1.5rem;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.8;
            background-color: #fdfdfd;
        }

        .accordion-button .faq-q {
            color: var(--color-accent);
            font-weight: 700;
            margin-right: 0.5rem;
            font-size: 1.1rem;
        }

        /* CTA横幅 */
        .cta-banner {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            padding: 3.5rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(245, 124, 0, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner .cta-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            position: relative;
            z-index: 1;
            letter-spacing: 0.03em;
        }

        .cta-banner .cta-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto 1.5rem;
        }

        /* 服务特点卡片 */
        .feature-card-horizontal {
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            margin-bottom: 1rem;
        }

        .feature-card-horizontal:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .feature-card-horizontal .feature-icon {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            background-color: #fef5ec;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent);
        }

        .feature-card-horizontal .feature-text h5 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text-dark);
            margin-bottom: 0.3rem;
        }

        .feature-card-horizontal .feature-text p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* 证言卡片 */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-normal);
            height: 100%;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }

        .testimonial-card .quote-icon {
            font-size: 2.5rem;
            color: var(--color-accent);
            opacity: 0.5;
            margin-bottom: 0.8rem;
        }

        .testimonial-card .quote-text {
            font-style: italic;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .testimonial-card .avatar-placeholder {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: #e8e0d5;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-primary);
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .testimonial-card .testimonial-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text-dark);
        }

        .testimonial-card .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        /* 页脚 */
        .site-footer {
            background-color: #1a1a1a;
            color: #ccc;
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .site-footer h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }

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

        .site-footer ul li {
            margin-bottom: 0.4rem;
        }

        .site-footer ul li a {
            color: #bbb;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .site-footer ul li a:hover {
            color: var(--color-accent-light);
            text-decoration: none;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: #888;
        }

        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            align-items: center;
        }

        .site-footer .footer-links a {
            color: #888;
            font-size: 0.8rem;
        }

        .site-footer .footer-links a:hover {
            color: var(--color-accent-light);
            text-decoration: none;
        }

        .site-footer .btn-outline {
            border-color: #555;
            color: #ccc;
            font-size: 0.8rem;
            padding: 0.4rem 1rem;
        }

        .site-footer .btn-outline:hover {
            background-color: #333;
            border-color: #777;
            color: #fff;
            transform: translateY(-2px);
        }

        /* 响应式 */
        @media (max-width: 991px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .article-list-card {
                flex-direction: column;
            }
            .article-list-card .article-thumb {
                width: 100%;
                height: 180px;
            }
            .category-hero h1 {
                font-size: 1.9rem;
            }
            .category-hero {
                min-height: 35vh;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 767px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .article-list-card .article-thumb {
                height: 160px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .section-block {
                padding: 2.5rem 0;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .cta-banner .cta-title {
                font-size: 1.4rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer .footer-links {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .category-hero {
                min-height: 30vh;
            }
            .category-hero h1 {
                font-size: 1.3rem;
            }
            .article-list-card .article-thumb {
                height: 140px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .tag-cloud .tag {
                font-size: 0.7rem;
                padding: 0.3rem 0.7rem;
            }
        }

        /* 分类页特有：侧边栏粘性 */
        @media (min-width: 992px) {
            .sidebar-sticky {
                position: sticky;
                top: calc(var(--header-height) + 1.5rem);
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #0F3D2E;
            --color-primary-dark: #0A2A1F;
            --color-primary-light: #1A5C45;
            --color-accent: #F57C00;
            --color-accent-dark: #E65100;
            --color-accent-light: #FF9800;
            --color-bg-light: #F9F9F9;
            --color-bg-white: #FFFFFF;
            --color-text: #4A4A4A;
            --color-text-dark: #1A1A1A;
            --color-text-light: #6B6B6B;
            --color-border: #E0E0E0;
            --color-border-light: #EEEEEE;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-pill: 50px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 8px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Inter', system-ui, -apple-system, sans-serif;
            --header-height: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--header-height);
            margin: 0;
        }

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

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-family);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-text-dark);
            font-weight: 700;
            line-height: 1.35;
        }

        h1 {
            font-size: 2.5rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.25rem;
        }

        .text-accent {
            color: var(--color-accent) !important;
        }
        .text-primary {
            color: var(--color-primary) !important;
        }
        .text-muted {
            color: var(--color-text-light) !important;
        }

        .btn {
            border-radius: var(--radius-pill);
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            background-color: transparent;
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn-outline:hover,
        .btn-outline:focus {
            background-color: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-lg {
            padding: 0.9rem 2.4rem;
            font-size: 1.05rem;
        }
        .btn-sm {
            padding: 0.45rem 1.2rem;
            font-size: 0.85rem;
        }

        .btn-text {
            background: none;
            border: none;
            color: var(--color-accent);
            padding: 0.4rem 0;
            font-weight: 600;
            border-radius: 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }
        .btn-text:hover {
            border-bottom-color: var(--color-accent);
            text-decoration: none;
            color: var(--color-accent-dark);
        }

        .badge {
            border-radius: var(--radius-sm);
            padding: 0.35em 0.75em;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.02em;
        }
        .badge-accent {
            background-color: var(--color-accent);
            color: #fff;
        }
        .badge-primary {
            background-color: var(--color-primary);
            color: #fff;
        }

        .card {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            background: #fff;
            transition: all var(--transition-normal);
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }
        .card-body {
            padding: 1.5rem;
        }

        /* ===== NAVBAR ===== */
        #mainNavbar {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: var(--header-height);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }
        #mainNavbar.scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(255, 255, 255, 0.98);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-primary) !important;
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
        }
        .navbar-brand:hover {
            color: var(--color-accent) !important;
            text-decoration: none;
        }
        #mainNavbar .nav-link {
            color: var(--color-text-dark) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem !important;
            position: relative;
            transition: color var(--transition-fast);
            margin: 0 0.15rem;
        }
        #mainNavbar .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 3px 3px 0 0;
            transition: width var(--transition-normal);
        }
        #mainNavbar .nav-link:hover {
            color: var(--color-accent) !important;
            text-decoration: none;
        }
        #mainNavbar .nav-link:hover::after {
            width: 60%;
        }
        #mainNavbar .nav-link.active {
            color: var(--color-accent) !important;
            font-weight: 700;
        }
        #mainNavbar .nav-link.active::after {
            width: 60%;
        }
        .navbar-toggler {
            border: none;
            padding: 0.5rem;
            color: var(--color-primary);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(15,61,46,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            #navbarMain {
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                padding: 1rem 0;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                box-shadow: var(--shadow-lg);
                margin-top: 0.5rem;
            }
            #mainNavbar .nav-link {
                padding: 0.75rem 1.5rem !important;
                margin: 0;
                border-bottom: 1px solid var(--color-border-light);
            }
            #mainNavbar .nav-link:last-child {
                border-bottom: none;
            }
            #mainNavbar .nav-link::after {
                display: none;
            }
            #mainNavbar .nav-link.active {
                background-color: rgba(245, 124, 0, 0.06);
                border-radius: 0;
            }
        }

        /* ===== PAGE HERO ===== */
        .page-hero {
            position: relative;
            min-height: 45vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 61, 46, 0.85) 0%, rgba(10, 42, 31, 0.75) 60%, rgba(0, 0, 0, 0.6) 100%);
            z-index: 1;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 3rem 0;
        }
        .page-hero h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }
        .page-hero .hero-subtitle {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.15rem;
            max-width: 650px;
            line-height: 1.8;
        }
        .page-hero .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-top: 1.5rem;
        }
        .page-hero .hero-badge-row .badge {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            font-size: 0.85rem;
            padding: 0.45em 1em;
            border-radius: var(--radius-pill);
            backdrop-filter: blur(4px);
        }

        @media (max-width: 768px) {
            .page-hero {
                min-height: 35vh;
                background-attachment: scroll;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero .hero-subtitle {
                font-size: 1rem;
            }
        }

        /* ===== MAGAZINE MASONRY GRID ===== */
        .magazine-section {
            padding: 5rem 0;
            background: var(--color-bg-light);
        }
        .magazine-section .section-header {
            margin-bottom: 3rem;
        }
        .magazine-section .section-header h2 {
            color: var(--color-primary);
            font-weight: 800;
            position: relative;
            display: inline-block;
        }
        .magazine-section .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .magazine-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-auto-rows: 180px;
            gap: 1.2rem;
            grid-auto-flow: dense;
        }
        .magazine-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            cursor: pointer;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-md);
            min-height: 180px;
        }
        .magazine-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }
        .magazine-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .magazine-card:hover img {
            transform: scale(1.06);
        }
        .magazine-card .card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.35) 45%, rgba(0, 0, 0, 0.05) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 1.5rem;
            z-index: 2;
            transition: background var(--transition-normal);
        }
        .magazine-card:hover .card-overlay {
            background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.5) 50%, rgba(0, 0, 0, 0.2) 100%);
        }
        .magazine-card .card-category {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--color-accent-light);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.4rem;
        }
        .magazine-card .card-title {
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            line-height: 1.4;
            margin-bottom: 0.3rem;
        }
        .magazine-card .card-excerpt {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.8rem;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .magazine-card .card-date {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.7rem;
            margin-top: 0.4rem;
        }
        /* 大卡片 */
        .magazine-card.card-lg {
            grid-column: span 2;
            grid-row: span 2;
        }
        .magazine-card.card-lg .card-title {
            font-size: 1.5rem;
        }
        .magazine-card.card-lg .card-excerpt {
            -webkit-line-clamp: 3;
            font-size: 0.9rem;
        }
        /* 中卡片 */
        .magazine-card.card-md {
            grid-column: span 1;
            grid-row: span 2;
        }
        .magazine-card.card-md .card-title {
            font-size: 1.15rem;
        }
        /* 宽卡片 */
        .magazine-card.card-wide {
            grid-column: span 2;
            grid-row: span 1;
        }
        .magazine-card.card-wide .card-title {
            font-size: 1.2rem;
        }
        /* 小卡片 */
        .magazine-card.card-sm {
            grid-column: span 1;
            grid-row: span 1;
        }
        .magazine-card.card-sm .card-title {
            font-size: 0.95rem;
        }
        .magazine-card.card-sm .card-overlay {
            padding: 1rem;
        }

        @media (max-width: 991.98px) {
            .magazine-grid {
                grid-template-columns: repeat(3, 1fr);
                grid-auto-rows: 160px;
                gap: 1rem;
            }
            .magazine-card.card-lg {
                grid-column: span 2;
                grid-row: span 2;
            }
            .magazine-card.card-md {
                grid-column: span 1;
                grid-row: span 2;
            }
            .magazine-card.card-wide {
                grid-column: span 2;
                grid-row: span 1;
            }
            .magazine-card.card-sm {
                grid-column: span 1;
                grid-row: span 1;
            }
        }

        @media (max-width: 767.98px) {
            .magazine-grid {
                grid-template-columns: repeat(2, 1fr);
                grid-auto-rows: 150px;
                gap: 0.8rem;
            }
            .magazine-card.card-lg {
                grid-column: span 2;
                grid-row: span 2;
            }
            .magazine-card.card-md {
                grid-column: span 2;
                grid-row: span 1;
            }
            .magazine-card.card-wide {
                grid-column: span 2;
                grid-row: span 1;
            }
            .magazine-card.card-sm {
                grid-column: span 1;
                grid-row: span 1;
            }
            .magazine-card .card-title {
                font-size: 0.9rem !important;
            }
            .magazine-card.card-lg .card-title {
                font-size: 1.15rem !important;
            }
        }

        @media (max-width: 520px) {
            .magazine-grid {
                grid-template-columns: 1fr;
                grid-auto-rows: 200px;
                gap: 0.8rem;
            }
            .magazine-card {
                grid-column: span 1 !important;
                grid-row: span 1 !important;
            }
            .magazine-card .card-title {
                font-size: 1rem !important;
            }
        }

        /* ===== STATS HIGHLIGHT ===== */
        .stats-highlight {
            padding: 5rem 0;
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }
        .stats-highlight::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 250px;
            height: 250px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }
        .stats-highlight::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }
        .stats-highlight .section-header h2 {
            color: #fff;
            font-weight: 800;
            position: relative;
            z-index: 1;
        }
        .stats-highlight .section-header h2::after {
            background: var(--color-accent-light);
        }
        .stats-highlight .section-header p {
            color: rgba(255, 255, 255, 0.7);
            position: relative;
            z-index: 1;
        }
        .stat-item {
            text-align: center;
            padding: 1.5rem;
            position: relative;
            z-index: 1;
        }
        .stat-item .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .stat-item .stat-icon {
            font-size: 1.8rem;
            color: var(--color-accent-light);
            margin-bottom: 0.5rem;
        }
        .stat-item .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            margin-top: 0.4rem;
        }

        /* ===== PLAYER RANKING ===== */
        .player-ranking {
            padding: 5rem 0;
            background: var(--color-bg-white);
        }
        .player-ranking .section-header h2 {
            color: var(--color-primary);
            font-weight: 800;
            position: relative;
            display: inline-block;
        }
        .player-ranking .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .ranking-card {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            padding: 1.2rem 1.5rem;
            background: var(--color-bg-light);
            border-radius: var(--radius-md);
            margin-bottom: 0.8rem;
            transition: all var(--transition-normal);
            border: 1px solid transparent;
        }
        .ranking-card:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
            background: #fff;
        }
        .ranking-card .rank-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-primary);
            min-width: 50px;
            text-align: center;
        }
        .ranking-card:nth-child(1) .rank-number {
            color: #FFD700;
        }
        .ranking-card:nth-child(2) .rank-number {
            color: #C0C0C0;
        }
        .ranking-card:nth-child(3) .rank-number {
            color: #CD7F32;
        }
        .ranking-card .rank-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
            background: var(--color-border-light);
            flex-shrink: 0;
        }
        .ranking-card .rank-info {
            flex: 1;
        }
        .ranking-card .rank-name {
            font-weight: 700;
            color: var(--color-text-dark);
            font-size: 1.05rem;
        }
        .ranking-card .rank-detail {
            font-size: 0.85rem;
            color: var(--color-text-light);
        }
        .ranking-card .rank-stat {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 1.3rem;
            white-space: nowrap;
        }

        /* ===== DEEP ANALYSIS ===== */
        .deep-analysis {
            padding: 5rem 0;
            background: var(--color-bg-light);
        }
        .deep-analysis .section-header h2 {
            color: var(--color-primary);
            font-weight: 800;
            position: relative;
            display: inline-block;
        }
        .deep-analysis .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .analysis-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .analysis-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }
        .analysis-card img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .analysis-card .analysis-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .analysis-card .analysis-body h4 {
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.6rem;
            font-size: 1.1rem;
        }
        .analysis-card .analysis-body p {
            color: var(--color-text-light);
            font-size: 0.9rem;
            flex: 1;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 5rem 0;
            background: var(--color-bg-white);
        }
        .faq-section .section-header h2 {
            color: var(--color-primary);
            font-weight: 800;
            position: relative;
            display: inline-block;
        }
        .faq-section .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.6rem;
            overflow: hidden;
            background: var(--color-bg-light);
            transition: all var(--transition-normal);
        }
        .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .accordion-button {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text-dark);
            background: var(--color-bg-light);
            padding: 1.1rem 1.5rem;
            border: none;
            box-shadow: none !important;
            transition: all var(--transition-normal);
        }
        .accordion-button::before {
            content: 'Q';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 50%;
            font-weight: 800;
            font-size: 0.75rem;
            margin-right: 0.75rem;
            flex-shrink: 0;
        }
        .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--color-primary);
            border-bottom: 1px solid var(--color-border-light);
        }
        .accordion-button:not(.collapsed)::before {
            background: var(--color-primary);
        }
        .accordion-button::after {
            filter: brightness(0.4);
        }
        .accordion-body {
            padding: 1.2rem 1.5rem 1.5rem;
            color: var(--color-text);
            line-height: 1.8;
            font-size: 0.95rem;
            background: #fff;
        }

        /* ===== CTA BANNER ===== */
        .cta-banner {
            padding: 5rem 0;
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 124, 0, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-banner .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-banner h2 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-banner .btn {
            font-size: 1.1rem;
            padding: 1rem 2.8rem;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #1A1A1A;
            color: #ccc;
            padding: 4rem 0 0;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .site-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 0.55rem;
        }
        .site-footer ul li a {
            color: #aaa;
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }
        .site-footer ul li a:hover {
            color: var(--color-accent-light);
            text-decoration: none;
        }
        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: #888;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .site-footer .footer-links a {
            color: #aaa;
            font-size: 0.8rem;
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent-light);
            text-decoration: underline;
        }
        .site-footer .footer-links span {
            color: #666;
            font-size: 0.8rem;
        }

        @media (max-width: 991.98px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }
        @media (max-width: 576px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer .footer-links {
                justify-content: center;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #0F3D2E;
            --color-primary-dark: #0A2A1F;
            --color-primary-light: #1A5C45;
            --color-accent: #F57C00;
            --color-accent-dark: #E65100;
            --color-accent-light: #FF9800;
            --color-bg-light: #F9F9F9;
            --color-bg-white: #FFFFFF;
            --color-text: #4A4A4A;
            --color-text-dark: #1A1A1A;
            --color-text-light: #6B6B6B;
            --color-border: #E0E0E0;
            --color-border-light: #EEEEEE;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-pill: 50px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 8px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Inter', system-ui, -apple-system, sans-serif;
            --header-height: 80px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

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

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-family);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .text-accent {
            color: var(--color-accent) !important;
        }

        .text-primary {
            color: var(--color-primary) !important;
        }

        .text-muted {
            color: var(--color-text-light) !important;
        }

        .btn {
            border-radius: var(--radius-pill);
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            background-color: transparent;
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .btn-outline:hover,
        .btn-outline:focus {
            background-color: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-outline-light {
            background-color: transparent;
            border-color: #fff;
            color: #fff;
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background-color: #fff;
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-lg {
            padding: 0.9rem 2.4rem;
            font-size: 1.05rem;
        }

        .btn-sm {
            padding: 0.45rem 1.2rem;
            font-size: 0.85rem;
        }

        .btn-text {
            background: none;
            border: none;
            color: var(--color-accent);
            padding: 0.4rem 0;
            font-weight: 600;
            border-radius: 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
        }

        .btn-text:hover {
            border-bottom-color: var(--color-accent);
            text-decoration: none;
            color: var(--color-accent-dark);
        }

        .card {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            background: #fff;
            transition: all var(--transition-normal);
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }

        .card-body {
            padding: 1.5rem;
        }

        .card-img-top {
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            object-fit: cover;
            width: 100%;
            aspect-ratio: 16/10;
        }

        .badge {
            border-radius: var(--radius-sm);
            padding: 0.35em 0.75em;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.02em;
            background-color: var(--color-accent);
            color: #fff;
        }

        .badge-outline {
            background-color: transparent;
            border: 1.5px solid var(--color-accent);
            color: var(--color-accent);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            max-width: 680px;
        }

        .bg-primary-dark {
            background-color: var(--color-primary) !important;
        }

        .bg-light-warm {
            background-color: var(--color-bg-light) !important;
        }

        /* Navigation */
        #mainNavbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--header-height);
            background-color: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

        #mainNavbar.scrolled {
            box-shadow: var(--shadow-md);
            background-color: rgba(255, 255, 255, 0.97);
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary) !important;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .navbar-brand:hover {
            color: var(--color-primary-light) !important;
            text-decoration: none;
        }

        .navbar-nav .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--color-text) !important;
            padding: 0.5rem 1.1rem !important;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 3px 3px 0 0;
            transition: width var(--transition-normal);
        }

        .navbar-nav .nav-link:hover {
            color: var(--color-accent) !important;
            text-decoration: none;
        }

        .navbar-nav .nav-link:hover::after {
            width: 60%;
        }

        .navbar-nav .nav-link.active {
            color: var(--color-accent) !important;
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            width: 60%;
        }

        .navbar-toggler {
            border: none;
            padding: 0.5rem;
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(15, 61, 46, 0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background-color: rgba(255, 255, 255, 0.98);
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.5rem;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--color-border-light);
            }
            .navbar-nav .nav-link {
                padding: 0.7rem 1rem !important;
                border-bottom: 1px solid var(--color-border-light);
            }
            .navbar-nav .nav-link:last-child {
                border-bottom: none;
            }
            .navbar-nav .nav-link::after {
                display: none;
            }
            .navbar-nav .nav-link.active {
                background-color: rgba(245, 124, 0, 0.06);
                border-radius: var(--radius-sm);
            }
        }

        /* Hero */
        .page-hero {
            position: relative;
            min-height: 45vh;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 42, 31, 0.75) 0%, rgba(15, 61, 46, 0.82) 100%);
            z-index: 1;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 3rem 1.5rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .page-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 1rem;
            color: #fff;
        }

        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        /* Stats Overview Strip */
        .stats-strip {
            padding: 2.5rem 0;
            background-color: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
        }

        .stats-strip .stat-item {
            text-align: center;
            padding: 1rem;
        }

        .stats-strip .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stats-strip .stat-number .accent-dot {
            color: var(--color-accent);
        }

        .stats-strip .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-top: 0.3rem;
            font-weight: 500;
        }

        .stats-strip .stat-icon {
            font-size: 1.8rem;
            color: var(--color-accent);
            margin-bottom: 0.4rem;
        }

        /* Timeline Section */
        .timeline-section {
            padding: 4rem 0;
            background-color: var(--color-bg-light);
        }

        .timeline {
            position: relative;
            padding-left: 3rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 1.25rem;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 30%, var(--color-accent) 60%, var(--color-primary) 100%);
            border-radius: 3px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 2.8rem;
            padding-left: 2.5rem;
            display: flex;
            flex-direction: column;
        }

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

        .timeline-marker {
            position: absolute;
            left: calc(-3rem + 1.25rem - 8px);
            top: 0.6rem;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background-color: var(--color-accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--color-accent);
            z-index: 2;
            transition: all var(--transition-normal);
        }

        .timeline-item:hover .timeline-marker {
            background-color: var(--color-accent-dark);
            box-shadow: 0 0 0 5px rgba(245, 124, 0, 0.25);
            transform: scale(1.2);
        }

        .timeline-date {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.03em;
            margin-bottom: 0.4rem;
            text-transform: uppercase;
        }

        .timeline-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-3px);
        }

        .timeline-card .card-img-wrap {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            flex-shrink: 0;
        }

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

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

        .timeline-card .card-inner {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .timeline-card .card-inner h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
            line-height: 1.5;
        }

        .timeline-card .card-inner p {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 1rem;
            flex: 1;
        }

        .timeline-card .card-inner .card-meta {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
        }

        .timeline-card .card-inner .card-meta .tag {
            display: inline-block;
            background-color: rgba(245, 124, 0, 0.08);
            color: var(--color-accent);
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        @media (min-width: 768px) {
            .timeline {
                padding-left: 4rem;
            }
            .timeline::before {
                left: 1.75rem;
            }
            .timeline-item {
                flex-direction: row;
                padding-left: 0;
                align-items: flex-start;
                gap: 2rem;
            }
            .timeline-marker {
                left: calc(-4rem + 1.75rem - 8px);
                top: 1.2rem;
            }
            .timeline-date {
                flex-shrink: 0;
                width: 130px;
                text-align: right;
                margin-bottom: 0;
                padding-top: 0.5rem;
                font-size: 0.9rem;
            }
            .timeline-card {
                flex: 1;
                flex-direction: row;
                max-width: 100%;
            }
            .timeline-card .card-img-wrap {
                width: 220px;
                aspect-ratio: auto;
                height: auto;
                min-height: 160px;
                flex-shrink: 0;
            }
            .timeline-card .card-inner {
                padding: 1.5rem 1.8rem;
            }
        }

        @media (max-width: 767.98px) {
            .timeline {
                padding-left: 2.5rem;
            }
            .timeline::before {
                left: 0.9rem;
            }
            .timeline-marker {
                left: calc(-2.5rem + 0.9rem - 7px);
                width: 14px;
                height: 14px;
                top: 0.5rem;
            }
            .timeline-item {
                padding-left: 0;
                margin-bottom: 2rem;
            }
            .timeline-date {
                font-size: 0.8rem;
                margin-bottom: 0.3rem;
            }
            .timeline-card .card-inner {
                padding: 1.2rem;
            }
            .timeline-card .card-inner h3 {
                font-size: 1.05rem;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero .hero-subtitle {
                font-size: 1rem;
            }
            .stats-strip .stat-number {
                font-size: 1.8rem;
            }
        }

        /* Dimension Cards */
        .dimension-section {
            padding: 4rem 0;
            background-color: var(--color-bg-white);
        }

        .dimension-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
            text-align: center;
        }

        .dimension-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }

        .dimension-card .dim-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background-color: rgba(15, 61, 46, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
            color: var(--color-primary);
            transition: all var(--transition-normal);
        }

        .dimension-card:hover .dim-icon {
            background-color: var(--color-primary);
            color: #fff;
        }

        .dimension-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
        }

        .dimension-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Highlight cards */
        .highlight-section {
            padding: 4rem 0;
            background-color: var(--color-primary);
            color: #fff;
        }

        .highlight-section .section-title {
            color: #fff;
        }

        .highlight-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .highlight-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition-normal);
            height: 100%;
            backdrop-filter: blur(4px);
        }

        .highlight-card:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
        }

        .highlight-card .hl-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 0.5rem;
            letter-spacing: -0.03em;
        }

        .highlight-card .hl-name {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.3rem;
        }

        .highlight-card .hl-detail {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-section {
            padding: 4rem 0;
            background-color: var(--color-bg-light);
        }

        .accordion-button {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-text-dark);
            background-color: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            padding: 1.1rem 1.5rem;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

        .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background-color: #fff;
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(245, 124, 0, 0.2);
            border-color: var(--color-accent);
        }

        .accordion-button::after {
            transition: transform var(--transition-normal);
        }

        .accordion-body {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.8;
            padding: 1.2rem 1.5rem 1.5rem;
            background-color: #fff;
            border-radius: 0 0 var(--radius-md) var(--radius-md);
            border: 1px solid var(--color-border-light);
            border-top: none;
        }

        .accordion-item {
            border: none;
            margin-bottom: 0.8rem;
            background: transparent;
        }

        .accordion-item .q-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
    margin-right: 0.6rem;
    flex-shrink: 0;
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(245, 124, 0, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-banner::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(245, 124, 0, 0.10) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

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

.cta-banner h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.8rem;
    letter-spacing: -0.01em;
}

.cta-banner p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* Footer */
.site-footer {
    background-color: #1A1A1A;
    color: #ccc;
    padding: 3.5rem 0 0;
    font-size: 0.9rem;
}

.site-footer .footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer .footer-brand {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.8rem;
}

.site-footer h5 {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

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

.site-footer ul li {
    margin-bottom: 0.5rem;
}

.site-footer ul li a {
    color: #aaa;
    font-size: 0.88rem;
    transition: color var(--transition-fast);
    text-decoration: none;
}

.site-footer ul li a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.site-footer .footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    gap: 1rem;
    font-size: 0.8rem;
    color: #888;
}

.site-footer .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    align-items: center;
}

.site-footer .footer-links a {
    color: #aaa;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.site-footer .footer-links a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.site-footer .footer-links span {
    color: #777;
}

@media (max-width: 991.98px) {
    .site-footer .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 767.98px) {
    .site-footer .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.8rem;
    }
    .site-footer .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .site-footer .footer-links {
        justify-content: center;
    }
    .cta-banner h2 {
        font-size: 1.6rem;
    }
    .cta-banner p {
        font-size: 0.95rem;
    }
    .section-title {
        font-size: 1.5rem;
    }
    .highlight-card .hl-number {
        font-size: 2.2rem;
    }
}

/* Section spacing */
.section-py {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

@media (max-width: 767.98px) {
    .section-py {
        padding-top: 2.5rem;
        padding-bottom: 2.5rem;
    }
}

/* Scroll animation support */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* roulang page: category6 */
:root {
            --color-primary: #0F3D2E;
            --color-primary-dark: #0A2A1F;
            --color-primary-light: #1A5C45;
            --color-accent: #F57C00;
            --color-accent-dark: #E65100;
            --color-accent-light: #FF9800;
            --color-bg-light: #F9F9F9;
            --color-bg-white: #FFFFFF;
            --color-text: #4A4A4A;
            --color-text-dark: #1A1A1A;
            --color-text-light: #6B6B6B;
            --color-border: #E0E0E0;
            --color-border-light: #EEEEEE;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-pill: 50px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 8px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Inter', system-ui, -apple-system, sans-serif;
            --header-height: 80px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

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

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-family);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .text-accent {
            color: var(--color-accent) !important;
        }

        .text-primary {
            color: var(--color-primary) !important;
        }

        .text-muted {
            color: var(--color-text-light) !important;
        }

        .btn {
            border-radius: var(--radius-pill);
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            background-color: transparent;
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .btn-outline:hover,
        .btn-outline:focus {
            background-color: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-outline-light {
            background-color: transparent;
            border-color: #fff;
            color: #fff;
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background-color: #fff;
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
        }

        .btn-lg {
            padding: 0.9rem 2.4rem;
            font-size: 1.05rem;
        }

        .btn-sm {
            padding: 0.45rem 1.2rem;
            font-size: 0.85rem;
        }

        .btn-text {
            background: none;
            border: none;
            color: var(--color-accent);
            padding: 0.4rem 0;
            font-weight: 600;
            border-radius: 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .btn-text:hover {
            border-bottom-color: var(--color-accent);
            text-decoration: none;
            color: var(--color-accent-dark);
        }

        .card {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            background: #fff;
            transition: all var(--transition-normal);
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }

        .card-body {
            padding: 1.5rem;
        }

        .card-img-top {
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            object-fit: cover;
            width: 100%;
            aspect-ratio: 16/10;
        }

        .badge {
            border-radius: var(--radius-sm);
            padding: 0.35em 0.75em;
            font-weight: 600;
            font-size: 0.8rem;
        }

        .badge-accent {
            background-color: var(--color-accent);
            color: #fff;
        }

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

        .badge-outline {
            background-color: transparent;
            border: 1px solid var(--color-accent);
            color: var(--color-accent);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            max-width: 700px;
            margin: 0 auto 2.5rem;
            line-height: 1.7;
        }

        /* Header / Nav */
        #mainNavbar {
            background-color: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: var(--header-height);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

        #mainNavbar.scrolled {
            box-shadow: var(--shadow-md);
            border-bottom-color: transparent;
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary) !important;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .navbar-brand:hover {
            color: var(--color-primary-dark) !important;
            text-decoration: none;
        }

        .navbar-nav .nav-link {
            color: var(--color-text) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            margin: 0 0.15rem;
            position: relative;
            transition: color var(--transition-fast);
            border-radius: var(--radius-sm);
            white-space: nowrap;
        }

        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 3px;
            transition: transform var(--transition-normal);
            transform-origin: center;
        }

        .navbar-nav .nav-link:hover {
            color: var(--color-accent) !important;
            text-decoration: none;
        }

        .navbar-nav .nav-link:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .navbar-nav .nav-link.active {
            color: var(--color-accent) !important;
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
            background-color: var(--color-accent);
        }

        .navbar-toggler {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0.4rem 0.6rem;
            transition: all var(--transition-fast);
        }

        .navbar-toggler:hover {
            border-color: var(--color-accent);
            background-color: rgba(245, 124, 0, 0.05);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px rgba(245, 124, 0, 0.25);
            outline: none;
        }

        @media (max-width: 991px) {
            .navbar-collapse {
                background-color: rgba(255, 255, 255, 0.99);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                padding: 1rem;
                box-shadow: var(--shadow-lg);
                margin-top: 0.5rem;
            }
            .navbar-nav .nav-link {
                padding: 0.7rem 1rem;
                margin: 0.1rem 0;
                font-size: 1rem;
            }
            .navbar-nav .nav-link::after {
                bottom: 0;
                left: 8px;
                transform: scaleX(0);
                width: 3px;
                height: 60%;
                top: 20%;
                border-radius: 3px;
            }
            .navbar-nav .nav-link.active::after {
                transform: scaleX(1);
            }
            .navbar-nav .nav-link:hover::after {
                transform: scaleX(1);
            }
        }

        /* Hero */
        .hero-inner {
            position: relative;
            min-height: 55vh;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
        }

        .hero-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 61, 46, 0.75) 0%, rgba(10, 42, 31, 0.85) 100%);
            z-index: 1;
        }

        .hero-inner .hero-content {
            position: relative;
            z-index: 2;
            padding: 3rem 1.5rem;
            max-width: 750px;
        }

        .hero-inner .hero-content h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .hero-inner .hero-content .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 1.8rem;
        }

        .hero-inner .hero-content .hero-breadcrumb {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 0.5rem;
        }

        .hero-inner .hero-content .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
        }

        .hero-inner .hero-content .hero-breadcrumb a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* Data badge card */
        .data-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 0.3rem 0.7rem;
            border-radius: var(--radius-pill);
            z-index: 3;
            letter-spacing: 0.02em;
            box-shadow: 0 2px 8px rgba(245, 124, 0, 0.35);
            white-space: nowrap;
        }

        .data-badge-left {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 0.3rem 0.7rem;
            border-radius: var(--radius-pill);
            z-index: 3;
            letter-spacing: 0.02em;
            box-shadow: 0 2px 8px rgba(15, 61, 46, 0.35);
            white-space: nowrap;
        }

        /* Mixed grid */
        .mixed-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .mixed-grid .grid-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .mixed-grid .grid-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }

        .mixed-grid .grid-card.span-2 {
            grid-column: span 2;
        }

        .mixed-grid .grid-card.span-2-col {
            grid-column: span 2;
        }

        .mixed-grid .grid-card.span-2-row {
            grid-row: span 2;
        }

        .mixed-grid .grid-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

        .mixed-grid .grid-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .mixed-grid .grid-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .mixed-grid .grid-card .card-text-body {
            padding: 1.3rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .mixed-grid .grid-card .card-text-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .mixed-grid .grid-card .card-text-body p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 0.8rem;
            flex: 1;
        }

        .mixed-grid .grid-card .card-text-body .card-meta {
            font-size: 0.8rem;
            color: #999;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .mixed-grid .grid-card.pure-text {
            border-left: 4px solid var(--color-accent);
            background: var(--color-bg-light);
        }

        .mixed-grid .grid-card.pure-text .card-text-body {
            padding: 1.5rem;
        }

        .mixed-grid .grid-card.pure-text .card-text-body .pure-text-icon {
            font-size: 1.5rem;
            color: var(--color-accent);
            margin-bottom: 0.6rem;
        }

        @media (max-width: 991px) {
            .mixed-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .mixed-grid .grid-card.span-2,
            .mixed-grid .grid-card.span-2-col {
                grid-column: span 2;
            }
        }

        @media (max-width: 576px) {
            .mixed-grid {
                grid-template-columns: 1fr;
            }
            .mixed-grid .grid-card.span-2,
            .mixed-grid .grid-card.span-2-col {
                grid-column: span 1;
            }
            .hero-inner {
                min-height: 40vh;
            }
            .hero-inner .hero-content h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        /* Stats dark section */
        .stats-dark {
            background-color: var(--color-primary);
            color: #fff;
            padding: 4rem 0;
            position: relative;
            overflow: hidden;
        }

        .stats-dark::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .stats-dark::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .stats-dark .stat-item {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 1rem;
        }

        .stats-dark .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.1;
        }

        .stats-dark .stat-number .stat-icon {
            font-size: 1.2rem;
            color: var(--color-accent-light);
            margin-right: 0.3rem;
            vertical-align: middle;
        }

        .stats-dark .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 0.4rem;
        }

        /* Steps section */
        .steps-row {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .step-card {
            flex: 1 1 220px;
            max-width: 280px;
            text-align: center;
            padding: 2rem 1.5rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }

        .step-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text-dark);
            margin-bottom: 0.5rem;
        }

        .step-card p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        /* Expert highlight */
        .expert-highlight {
            display: flex;
            gap: 2rem;
            align-items: stretch;
            flex-wrap: wrap;
        }

        .expert-highlight .expert-main {
            flex: 2;
            min-width: 300px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            position: relative;
            overflow: hidden;
        }

        .expert-highlight .expert-main::before {
            content: '';
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 5rem;
            color: rgba(255, 255, 255, 0.06);
            font-family: 'Georgia', serif;
            content: '"';
            line-height: 1;
        }

        .expert-highlight .expert-main h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }

        .expert-highlight .expert-main p {
            font-size: 1rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            z-index: 1;
            margin-bottom: 1.5rem;
        }

        .expert-highlight .expert-side {
            flex: 1;
            min-width: 260px;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .expert-highlight .expert-side .expert-mini {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 1.2rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .expert-highlight .expert-side .expert-mini:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(3px);
        }

        .expert-highlight .expert-side .expert-mini .expert-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        .expert-highlight .expert-side .expert-mini span {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-dark);
        }

        /* FAQ */
        .accordion .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.6rem;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: #fff;
        }

        .accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-dark);
            background: #fff;
            padding: 1.1rem 1.3rem;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .accordion .accordion-button::before {
            content: 'Q';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            flex-shrink: 0;
            margin-right: 0.4rem;
        }

        .accordion .accordion-button:not(.collapsed) {
            background-color: var(--color-bg-light);
            color: var(--color-primary);
            box-shadow: none;
        }

        .accordion .accordion-button:not(.collapsed)::before {
            background: var(--color-primary);
        }

        .accordion .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(245, 124, 0, 0.2);
            border-color: var(--color-accent);
        }

        .accordion .accordion-body {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.8;
            padding: 1rem 1.3rem 1.4rem;
            background: var(--color-bg-light);
            border-top: 1px solid var(--color-border-light);
        }

        /* CTA banner */
        .cta-banner {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
            color: #fff;
            text-align: center;
            padding: 4rem 2rem;
            border-radius: var(--radius-xl);
            margin: 2rem 0;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.8rem;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background-color: #1a1a1a;
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .footer-col h5 {
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: #aaa;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
            text-decoration: none;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            font-size: 0.82rem;
            color: #888;
            gap: 0.8rem;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .footer-links a {
            color: #aaa;
            font-size: 0.82rem;
        }

        .footer-links a:hover {
            color: var(--color-accent-light);
            text-decoration: none;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-banner h2 {
                font-size: 1.5rem;
            }
            .stats-dark .stat-number {
                font-size: 2.2rem;
            }
            .expert-highlight {
                flex-direction: column;
            }
            .steps-row {
                gap: 1rem;
            }
            .step-card {
                flex: 1 1 140px;
                max-width: none;
                padding: 1.3rem 1rem;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .mixed-grid {
                grid-template-columns: 1fr;
            }
            .mixed-grid .grid-card.span-2,
            .mixed-grid .grid-card.span-2-col {
                grid-column: span 1;
            }
            .hero-inner .hero-content h1 {
                font-size: 1.5rem;
            }
        }

        /* Tag pill */
        .tag-pill {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(245, 124, 0, 0.1);
            color: var(--color-accent);
            margin-right: 0.4rem;
            margin-bottom: 0.4rem;
            transition: all var(--transition-fast);
        }

        .tag-pill:hover {
            background: var(--color-accent);
            color: #fff;
            text-decoration: none;
            cursor: pointer;
        }

        .section-padding {
            padding: 4rem 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 2.5rem 0;
            }
        }