/* roulang page: index */
:root {
            --color-primary: #1a4a3a;
            --color-primary-dark: #0d2b21;
            --color-primary-light: #2e6b54;
            --color-accent: #c69c6d;
            --color-accent-light: #e2c79f;
            --color-bg: #f7f8f7;
            --color-bg-alt: #f0f2ef;
            --color-surface: #ffffff;
            --color-text: #2c3e3f;
            --color-text-weak: #6b7c7d;
            --color-text-light: #9aa9a6;
            --color-border: #e5eae7;
            --color-border-strong: #d0d9d3;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-primary: 0 6px 20px rgba(26, 74, 58, 0.22);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 56px;
            --space-xxl: 72px;
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition-fast: 160ms ease;
            --transition-base: 240ms ease;
            --transition-slow: 360ms cubic-bezier(0.22, 1, 0.36, 1);
            --header-height: 64px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:hover,
        a:focus {
            color: var(--color-primary-dark);
            text-decoration: none;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container-custom {
            max-width: 1180px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        .section-padding {
            padding: var(--space-xl) 0;
        }

        .section-padding-sm {
            padding: var(--space-lg) 0;
        }

        .section-header {
            margin-bottom: var(--space-lg);
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--space-sm);
            letter-spacing: -0.01em;
        }

        .section-header p {
            font-size: 16px;
            color: var(--color-text-weak);
            line-height: 1.85;
            max-width: 720px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--color-primary);
            background-color: rgba(26, 74, 58, 0.08);
            padding: 4px 12px;
            border-radius: 100px;
            margin-bottom: var(--space-sm);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            border-radius: var(--radius-md);
            padding: 12px 28px;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
            border: 2px solid transparent;
        }

        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-primary);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--color-primary-dark);
            color: #fff;
            box-shadow: 0 8px 28px rgba(26, 74, 58, 0.32);
            transform: translateY(-1px);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(198, 156, 109, 0.3);
        }

        .btn-accent:hover,
        .btn-accent:focus {
            background-color: #b58a5a;
            color: #fff;
            box-shadow: 0 6px 22px rgba(198, 156, 109, 0.42);
            transform: translateY(-1px);
        }

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

        .btn-outline:hover,
        .btn-outline:focus {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .btn-outline-light {
            background-color: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.55);
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background-color: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
        }

        .btn-lg {
            padding: 15px 36px;
            font-size: 16px;
            border-radius: var(--radius-lg);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
            border-radius: var(--radius-sm);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text);
            background-color: var(--color-bg-alt);
            padding: 5px 12px;
            border-radius: 100px;
            border: 1px solid var(--color-border);
        }

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

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

        .card {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            height: 100%;
        }

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

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            background-color: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
            background-color: rgba(255, 255, 255, 0.98);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: var(--space-md);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.01em;
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-logo:hover,
        .nav-logo:focus {
            color: var(--color-primary-dark);
        }

        .nav-logo-icon {
            width: 34px;
            height: 34px;
            background-color: var(--color-primary);
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .nav-links a:hover,
        .nav-links a:focus {
            color: var(--color-primary);
            background-color: rgba(26, 74, 58, 0.06);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background-color: rgba(26, 74, 58, 0.08);
            font-weight: 600;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-bg-alt);
            border: 1px solid var(--color-border);
            border-radius: 100px;
            padding: 5px 8px 5px 14px;
            transition: all var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(26, 74, 58, 0.08);
        }

        .nav-search input {
            border: none;
            background: none;
            font-size: 14px;
            color: var(--color-text);
            outline: none;
            width: 100px;
            transition: width var(--transition-base);
        }

        .nav-search input:focus {
            width: 150px;
        }

        .nav-search button {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-search button:hover {
            background-color: var(--color-primary-dark);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background-color: transparent;
            color: var(--color-text);
            font-size: 20px;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-fast);
            border: 1px solid var(--color-border);
        }

        .nav-toggle:hover {
            background-color: var(--color-bg-alt);
        }

        .mobile-nav {
            display: none;
            background-color: #fff;
            border-top: 1px solid var(--color-border);
            padding: var(--space-sm) 20px var(--space-md);
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            z-index: 99;
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .mobile-nav.open {
            max-height: 360px;
            display: block;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        }

        .mobile-nav a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border);
        }

        .mobile-nav a:last-child {
            border-bottom: none;
        }

        .mobile-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            margin-top: var(--header-height);
            padding: var(--space-xl) 0 var(--space-xxl);
            min-height: calc(100vh - var(--header-height));
            display: flex;
            align-items: center;
            background-image: linear-gradient(135deg, rgba(13, 43, 33, 0.82) 0%, rgba(26, 74, 58, 0.72) 50%, rgba(26, 74, 58, 0.6) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to bottom, transparent, var(--color-bg));
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
            padding: var(--space-md) 0;
        }

        .hero-content h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: var(--space-md);
            color: #fff;
        }

        .hero-content p.hero-intro {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: var(--space-md);
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: var(--space-md);
        }

        .hero-badges .badge {
            background-color: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.25);
            color: #fff;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            font-size: 13px;
            padding: 7px 16px;
        }

        .hero-badges .badge i {
            color: var(--color-accent-light);
        }

        .hero-qualification {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            margin-bottom: var(--space-md);
            line-height: 1.8;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
        }

        .hero-data-row {
            display: flex;
            gap: 28px;
            margin-top: var(--space-md);
            flex-wrap: wrap;
        }

        .hero-data-item {
            display: flex;
            flex-direction: column;
        }

        .hero-data-item .number {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-accent-light);
        }

        .hero-data-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* Metrics Section */
        .metrics-section {
            background-color: var(--color-primary-dark);
            color: #fff;
            padding: var(--space-lg) 0;
            position: relative;
            margin-top: -1px;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        .metric-item {
            text-align: center;
            padding: var(--space-sm);
        }

        .metric-item .metric-number {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--color-accent-light);
            line-height: 1.2;
        }

        .metric-item .metric-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* Benefits / Commission Section */
        .benefits-section {
            background-color: var(--color-bg);
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        .benefit-card {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            border: 1px solid var(--color-border);
            text-align: left;
            transition: all var(--transition-base);
            height: 100%;
        }

        .benefit-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-strong);
            transform: translateY(-3px);
        }

        .benefit-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: var(--space-sm);
            background-color: rgba(26, 74, 58, 0.08);
            color: var(--color-primary);
        }

        .benefit-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .benefit-card p {
            font-size: 15px;
            color: var(--color-text-weak);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* Materials Section */
        .materials-section {
            background-color: var(--color-bg-alt);
        }

        .materials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        .material-card {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            height: 100%;
        }

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

        .material-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .material-card-body {
            padding: var(--space-sm) var(--space-md) var(--space-md);
        }

        .material-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .material-card-body p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.75;
            margin-bottom: var(--space-sm);
        }

        .material-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            background-color: rgba(26, 74, 58, 0.07);
            padding: 3px 10px;
            border-radius: 100px;
        }

        /* News Section */
        .news-section {
            background-color: var(--color-bg);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: var(--space-lg);
            align-items: start;
        }

        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-list li {
            border-bottom: 1px solid var(--color-border);
            padding: var(--space-sm) 0;
            transition: padding var(--transition-fast);
        }

        .news-list li:first-child {
            padding-top: 0;
        }

        .news-list li:last-child {
            border-bottom: none;
        }

        .news-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            color: var(--color-text);
            font-size: 16px;
            font-weight: 500;
            transition: color var(--transition-fast);
        }

        .news-list a:hover,
        .news-list a:focus {
            color: var(--color-primary);
        }

        .news-list a .news-arrow {
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            font-size: 13px;
            flex-shrink: 0;
        }

        .news-list a:hover .news-arrow {
            color: var(--color-primary);
            transform: translateX(4px);
        }

        .news-list .news-date {
            font-size: 13px;
            color: var(--color-text-light);
            margin-left: auto;
            flex-shrink: 0;
            white-space: nowrap;
        }

        .news-recommend {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .news-recommend h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            color: var(--color-text);
        }

        .news-recommend-item {
            display: flex;
            gap: var(--space-sm);
            margin-bottom: var(--space-sm);
            padding-bottom: var(--space-sm);
            border-bottom: 1px solid var(--color-border);
        }

        .news-recommend-item:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .news-recommend-item img {
            width: 72px;
            height: 56px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .news-recommend-item .info h4 {
            font-size: 14px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 4px;
        }

        .news-recommend-item .info h4 a {
            color: var(--color-text);
        }

        .news-recommend-item .info h4 a:hover {
            color: var(--color-primary);
        }

        .news-recommend-item .info .recommend-meta {
            font-size: 12px;
            color: var(--color-text-light);
        }

        /* Schedule Section */
        .schedule-section {
            background-color: var(--color-bg-alt);
        }

        .schedule-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        .schedule-card {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }

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

        .schedule-card .schedule-time {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .schedule-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .schedule-card p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin-bottom: var(--space-sm);
        }

        .schedule-status {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 100px;
        }

        .schedule-status.available {
            background-color: rgba(26, 74, 58, 0.1);
            color: var(--color-primary);
        }

        .schedule-status.limited {
            background-color: rgba(198, 156, 109, 0.15);
            color: #a07848;
        }

        .schedule-status.filled {
            background-color: #f0f0f0;
            color: #999;
        }

        /* Membership Section */
        .membership-section {
            background: linear-gradient(160deg, var(--color-primary-dark) 0%, #1a4a3a 50%, #215540 100%);
            color: #fff;
            padding: var(--space-xl) 0;
        }

        .membership-section .section-header h2 {
            color: #fff;
        }

        .membership-section .section-header p {
            color: rgba(255, 255, 255, 0.75);
        }

        .membership-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        .membership-item {
            text-align: center;
            padding: var(--space-md);
            background-color: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            transition: all var(--transition-base);
        }

        .membership-item:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        .membership-item .member-icon {
            font-size: 28px;
            color: var(--color-accent-light);
            margin-bottom: var(--space-sm);
        }

        .membership-item h3 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .membership-item p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Rewards Section */
        .rewards-section {
            background-color: var(--color-bg);
        }

        .rewards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        .reward-card {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            text-align: center;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }

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

        .reward-card .reward-icon {
            font-size: 32px;
            color: var(--color-accent);
            margin-bottom: var(--space-sm);
        }

        .reward-card h3 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .reward-card p {
            font-size: 13px;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin-bottom: 0;
        }

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

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--color-surface);
            border-radius: var(--radius-md);
            margin-bottom: var(--space-sm);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

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

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

        .faq-question .faq-toggle-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
        }

        .faq-item.open .faq-toggle-icon {
            background-color: var(--color-primary);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            font-size: 15px;
            color: var(--color-text-weak);
            line-height: 1.85;
        }

        .faq-answer-inner {
            padding: 0 var(--space-md) var(--space-md);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        /* Join Section */
        .join-section {
            background-color: var(--color-primary-dark);
            color: #fff;
            padding: var(--space-xl) 0;
        }

        .join-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
            align-items: center;
        }

        .join-info h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
        }

        .join-info p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.9;
            margin-bottom: var(--space-md);
        }

        .join-info .join-points {
            list-style: none;
            padding: 0;
            margin: 0 0 var(--space-md);
        }

        .join-info .join-points li {
            padding: 6px 0;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.82);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .join-info .join-points li i {
            color: var(--color-accent-light);
            font-size: 14px;
        }

        .join-form {
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .join-form label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 6px;
        }

        .join-form input,
        .join-form textarea {
            width: 100%;
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            font-size: 15px;
            color: #fff;
            outline: none;
            transition: border-color var(--transition-fast);
            margin-bottom: var(--space-sm);
        }

        .join-form input::placeholder,
        .join-form textarea::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .join-form input:focus,
        .join-form textarea:focus {
            border-color: var(--color-accent-light);
            box-shadow: 0 0 0 3px rgba(198, 156, 109, 0.2);
        }

        .join-form .privacy-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: var(--space-sm);
            line-height: 1.7;
        }

        .join-form .btn {
            width: 100%;
        }

        /* Footer */
        .site-footer {
            background-color: #0a1f18;
            color: rgba(255, 255, 255, 0.7);
            padding: var(--space-lg) 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--space-lg);
        }

        .footer-brand .footer-logo {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .footer-logo .nav-logo-icon {
            width: 30px;
            height: 30px;
            font-size: 13px;
            border-radius: 7px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 420px;
            margin-bottom: 0;
        }

        .footer-links h3 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--space-sm);
        }

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

        .footer-links ul li {
            margin-bottom: 6px;
        }

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

        .footer-links ul a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            margin-top: var(--space-md);
            padding-top: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--space-sm);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .membership-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .rewards-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .news-layout {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .news-recommend {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-md);
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 56px;
                --space-xl: 40px;
                --space-xxl: 48px;
                --space-lg: 28px;
            }

            .nav-links {
                display: none;
            }

            .nav-search {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .mobile-nav {
                display: block;
            }

            .hero-section {
                padding: var(--space-lg) 0 var(--space-xxl);
                min-height: auto;
            }

            .hero-content h1 {
                font-size: 30px;
                line-height: 1.35;
            }

            .hero-content p.hero-intro {
                font-size: 15px;
            }

            .benefits-grid {
                grid-template-columns: 1fr;
            }

            .materials-grid {
                grid-template-columns: 1fr;
            }

            .schedule-grid {
                grid-template-columns: 1fr;
            }

            .join-layout {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

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

            .news-recommend {
                grid-template-columns: 1fr;
            }

            .hero-data-row {
                gap: var(--space-sm);
            }

            .hero-data-item .number {
                font-size: 20px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-content h1 {
                font-size: 24px;
            }

            .hero-content p.hero-intro {
                font-size: 14px;
                line-height: 1.8;
            }

            .hero-badges {
                gap: 6px;
            }

            .hero-badges .badge {
                font-size: 12px;
                padding: 5px 10px;
            }

            .hero-actions {
                flex-direction: column;
                gap: 8px;
            }

            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }

            .btn-lg {
                padding: 13px 24px;
                font-size: 15px;
            }

            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-sm);
            }

            .metric-item .metric-number {
                font-size: 28px;
            }

            .membership-grid {
                grid-template-columns: 1fr;
            }

            .rewards-grid {
                grid-template-columns: 1fr;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .join-form {
                padding: var(--space-sm);
            }
        }