/* roulang page: index */
:root {
            --color-primary: #1a3a2a;
            --color-primary-light: #2a5c42;
            --color-primary-dark: #132a1f;
            --color-accent: #c9a86a;
            --color-accent-light: #e0c893;
            --color-accent-dark: #b8862d;
            --color-bg: #f8f5f0;
            --color-bg-light: #fffdf8;
            --color-text: #1e2a24;
            --color-text-light: #5c6b63;
            --color-border: #e5ddd0;
            --color-white: #ffffff;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.14);
            --space-section: 96px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius-md);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--space-section) 0;
        }
        .section-alt {
            background: var(--color-bg-light);
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-block;
            background: rgba(201, 168, 106, 0.16);
            color: var(--color-accent-dark);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 30px;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary-dark);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 1rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary-dark);
        }
        .btn-primary:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(201, 168, 106, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-dark {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-dark:hover {
            background: var(--color-primary-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(26, 58, 42, 0.30);
        }

        /* ─── Header ─── */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(19, 42, 31, 0.72);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            transition: background 0.4s ease, box-shadow 0.4s ease;
        }
        .site-header.scrolled {
            background: rgba(19, 42, 31, 0.95);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.28);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }
        .logo {
            color: #fff;
            font-size: 1.06rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.3;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-dark);
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            gap: 6px;
            align-items: center;
        }
        .nav-link {
            color: rgba(255, 255, 255, 0.82);
            padding: 9px 20px;
            border-radius: 40px;
            font-size: 0.94rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
        }
        .nav-link.active {
            color: var(--color-primary-dark);
            background: var(--color-accent);
            font-weight: 700;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            z-index: 1100;
        }
        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ─── Hero ─── */
        .hero {
            position: relative;
            padding: 150px 0 90px;
            background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
            min-height: 620px;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(19, 42, 31, 0.95) 0%, rgba(19, 42, 31, 0.82) 55%, rgba(19, 42, 31, 0.55) 100%);
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 56px;
            align-items: center;
        }
        .hero-tag {
            display: inline-block;
            background: rgba(201, 168, 106, 0.22);
            border: 1px solid rgba(201, 168, 106, 0.4);
            color: var(--color-accent-light);
            font-size: 0.84rem;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 30px;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: 2.15rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 22px;
            letter-spacing: 0.01em;
        }
        .hero-desc {
            font-size: 1.02rem;
            color: rgba(255, 255, 255, 0.86);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 480px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 40px;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
        }
        .stat-num {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--color-accent);
            display: block;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.86rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* Hero rank panel */
        .rank-panel {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.30);
        }
        .rank-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 22px;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .rank-header h3 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
        }
        .rank-header span {
            color: var(--color-accent);
            font-size: 0.82rem;
            font-weight: 600;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 10px;
            border-radius: 14px;
            transition: var(--transition);
        }
        .rank-item:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .rank-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
            background: rgba(201, 168, 106, 0.18);
            color: var(--color-accent-light);
            flex-shrink: 0;
        }
        .rank-item:nth-child(2) .rank-num {
            background: var(--color-accent);
            color: var(--color-primary-dark);
        }
        .rank-info {
            flex: 1;
        }
        .rank-name {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
        }
        .rank-type {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .rank-score {
            color: var(--color-accent-light);
            font-size: 0.9rem;
            font-weight: 700;
        }

        /* ─── Countdown ─── */
        .countdown-section {
            background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .countdown-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(201, 168, 106, 0.06);
        }
        .countdown-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .countdown-info h2 {
            color: #fff;
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .countdown-info p {
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .countdown-box {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.10);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            text-align: center;
            min-width: 82px;
            backdrop-filter: blur(8px);
        }
        .countdown-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            display: block;
        }
        .countdown-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
            display: block;
        }
        .countdown-btn-wrap {
            margin-top: 24px;
        }
        .countdown-note {
            color: rgba(255, 255, 255, 0.85);
            background: rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 20px 24px;
            border-left: 4px solid var(--color-accent);
            font-size: 0.94rem;
            line-height: 1.7;
        }
        .countdown-note strong {
            color: var(--color-accent-light);
        }

        /* ─── Highlights ─── */
        .highlights {
            background: var(--color-bg);
        }
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .highlight-card {
            background: var(--color-bg-light);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .highlight-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
            opacity: 0.6;
        }
        .highlight-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 168, 106, 0.4);
        }
        .highlight-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(201, 168, 106, 0.22), rgba(201, 168, 106, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-dark);
            font-size: 1.2rem;
            margin-bottom: 16px;
        }
        .highlight-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 8px;
        }
        .highlight-card p {
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.65;
        }

        /* ─── Packages ─── */
        .packages {
            background: var(--color-bg-light);
        }
        .packages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .package-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .package-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }
        .package-card.featured {
            border: 2px solid var(--color-accent);
            box-shadow: 0 12px 40px rgba(201, 168, 106, 0.20);
        }
        .package-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: var(--color-primary-dark);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 30px;
            z-index: 2;
        }
        .package-img {
            height: 150px;
            overflow: hidden;
        }
        .package-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .package-body {
            padding: 26px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .package-body h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--color-primary-dark);
            margin-bottom: 10px;
        }
        .package-features {
            list-style: none;
            margin-bottom: 18px;
            flex: 1;
        }
        .package-features li {
            padding: 5px 0;
            font-size: 0.9rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .package-features li i {
            color: var(--color-accent-dark);
            font-size: 0.8rem;
        }
        .package-price {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .package-price small {
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--color-text-light);
        }
        .package-card .btn {
            width: 100%;
        }
        .package-tag {
            font-size: 0.8rem;
            color: var(--color-accent-dark);
            background: rgba(201, 168, 106, 0.12);
            display: inline-block;
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
            font-weight: 600;
        }

        /* ─── News ─── */
        .news {
            background: var(--color-bg);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1.35fr 0.65fr;
            gap: 40px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            border-radius: var(--radius-md);
            transition: var(--transition);
            border-bottom: 1px solid rgba(229, 221, 208, 0.4);
        }
        .news-item:hover {
            background: var(--color-bg-light);
            box-shadow: var(--shadow-sm);
        }
        .news-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-top: 12px;
            flex-shrink: 0;
        }
        .news-content a {
            font-size: 0.96rem;
            font-weight: 600;
            color: var(--color-text);
            display: inline-block;
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .news-content a:hover {
            color: var(--color-accent-dark);
        }
        .news-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }
        .news-sidebar {
            background: var(--color-bg-light);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }
        .news-sidebar .sidebar-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-accent);
            display: inline-block;
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
        }
        .sidebar-tags a {
            font-size: 0.82rem;
            padding: 6px 14px;
            border-radius: 30px;
            background: rgba(201, 168, 106, 0.10);
            color: var(--color-accent-dark);
            font-weight: 500;
        }
        .sidebar-tags a:hover {
            background: var(--color-accent);
            color: var(--color-primary-dark);
        }
        .sidebar-recommend {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
        }
        .sidebar-recommend img {
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            height: 120px;
            width: 100%;
            object-fit: cover;
        }
        .sidebar-recommend h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .sidebar-recommend p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        /* ─── CTA ─── */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background: url('/assets/images/backpic/back-3.jpg') center center / cover no-repeat;
            background-attachment: fixed;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(19, 42, 31, 0.94), rgba(26, 58, 42, 0.82));
        }
        .cta-wrap {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-wrap h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-wrap p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .cta-note {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.86rem;
            display: flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }
        .cta-note i {
            color: var(--color-accent);
        }

        /* ─── FAQ ─── */
        .faq-section {
            background: var(--color-bg);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-bg-light);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 0;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(201, 168, 106, 0.5);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-primary-dark);
            text-align: left;
            background: transparent;
            transition: var(--transition);
        }
        .faq-question i {
            color: var(--color-accent-dark);
            transition: transform 0.3s;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            padding: 0 24px 22px;
            max-height: 300px;
        }

        /* ─── Footer ─── */
        .site-footer {
            background: var(--color-primary-dark);
            padding: 60px 0 30px;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-grid {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
        }
        .footer-brand .logo {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            max-width: 320px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-links h4 {
            color: #fff;
            font-size: 0.94rem;
            margin-bottom: 16px;
        }
        .footer-links a {
            display: block;
            padding: 4px 0;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-links a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            padding-top: 24px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* ─── Responsive ─── */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero {
                padding: 130px 0 60px;
            }
            .hero-stats {
                gap: 28px;
            }
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .packages-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .countdown-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --space-section: 60px;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                flex-direction: column;
                background: rgba(19, 42, 31, 0.98);
                backdrop-filter: blur(20px);
                padding: 100px 32px 32px;
                gap: 12px;
                transition: right 0.4s ease;
                box-shadow: -20px 0 60px rgba(0, 0, 0, 0.3);
            }
            .main-nav.open {
                right: 0;
            }
            .main-nav .nav-link {
                font-size: 1rem;
                padding: 12px 20px;
                width: 100%;
                text-align: center;
            }
            .section-head h2 {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero-stats {
                flex-wrap: wrap;
                gap: 20px;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .packages-grid {
                grid-template-columns: 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .countdown-box {
                justify-content: center;
            }
            .cta-wrap h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                flex-direction: column;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
                align-items: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .logo {
                font-size: 0.86rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .nav-wrap {
                height: 64px;
            }
            .hero {
                padding: 110px 0 50px;
            }
            .hero-btns {
                flex-direction: column;
                align-items: stretch;
            }
            .btn {
                justify-content: center;
            }
            .countdown-item {
                min-width: 68px;
                padding: 12px;
            }
            .countdown-num {
                font-size: 1.4rem;
            }
            .news-item {
                padding: 14px 12px;
            }
            .news-meta {
                font-size: 0.76rem;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #a67c45;
  --primary-light: #c69a65;
  --primary-dark: #7a5a34;
  --accent: #d4a96a;
  --gold: #e8c87a;
  --ink: #1f2a37;
  --body: #4b5565;
  --muted: #8a93a3;
  --bg: #faf7f1;
  --bg-alt: #f3ede3;
  --white: #ffffff;
  --border: #e6ded2;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 14px rgba(31,42,55,0.06);
  --shadow-md: 0 12px 32px rgba(31,42,55,0.09);
  --shadow-lg: 0 24px 60px rgba(31,42,55,0.12);
  --gradient: linear-gradient(135deg,#a67c45 0%,#c69a65 50%,#7a5a34 100%);
  --gradient-soft: linear-gradient(180deg,#faf7f1 0%,#ffffff 100%);
  --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-sans);font-size:16px;line-height:1.75;color:var(--body);background:var(--bg);}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:none;cursor:pointer;background:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.72);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,0.35);box-shadow:0 4px 30px rgba(31,42,55,0.06);transition:background .4s,box-shadow .4s}
.site-header.scrolled{background:rgba(255,255,255,0.94);box-shadow:0 6px 24px rgba(31,42,55,0.10)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-weight:700;font-size:15px;color:var(--ink);letter-spacing:.3px;white-space:nowrap}
.logo-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:var(--gradient);color:#fff;font-size:16px;flex-shrink:0;box-shadow:0 4px 12px rgba(166,124,69,.35)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav .nav-link{position:relative;padding:10px 18px;border-radius:12px;font-size:14px;font-weight:500;color:var(--body);transition:color .25s,background .25s}
.main-nav .nav-link:hover{color:var(--primary);background:rgba(166,124,69,.08)}
.main-nav .nav-link.active{color:var(--primary-dark);background:rgba(166,124,69,.13);font-weight:600}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:6px;width:44px;height:44px;border-radius:12px;background:rgba(166,124,69,.10);align-items:center}
.nav-toggle span{width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s,opacity .3s}
.nav-toggle.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
/* Hero */
.page-hero{margin-top:72px;position:relative;background:var(--gradient-soft);border-bottom:1px solid var(--border)}
.hero-topbar{background:rgba(166,124,69,.10);border-bottom:1px solid rgba(166,124,69,.12);padding:10px 0}
.hero-topbar .container{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.hero-meta{font-size:13px;font-weight:500;color:var(--primary-dark);letter-spacing:.5px}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--gradient);color:#fff;font-size:12px;font-weight:600;padding:4px 14px;border-radius:20px;box-shadow:0 4px 12px rgba(166,124,69,.3)}
.hero-main{position:relative;min-height:340px;display:flex;align-items:center;padding:40px 24px;background-image:url('/assets/images/backpic/back-2.jpg');background-size:cover;background-position:center}
.hero-main::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.92) 0%,rgba(255,255,255,.75) 55%,rgba(255,255,255,.35) 100%)}
.hero-content{position:relative;z-index:2;max-width:680px;padding:20px 0}
.hero-content h1{font-family:var(--font-serif);font-size:44px;font-weight:700;color:var(--ink);line-height:1.2;margin-bottom:14px}
.hero-content p{font-size:17px;color:var(--body);line-height:1.8;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:14px;font-size:15px;font-weight:600;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;text-decoration:none}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 6px 20px rgba(166,124,69,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(166,124,69,.45)}
.btn-ghost{background:rgba(255,255,255,.85);color:var(--primary-dark);border:1.5px solid rgba(166,124,69,.35);backdrop-filter:blur(10px)}
.btn-ghost:hover{background:rgba(255,255,255,1);border-color:var(--primary);transform:translateY(-2px)}
/* Section */
.section{position:relative;padding:88px 0}
.section-alt{background:var(--white)}
.section-muted{background:var(--bg-alt)}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--primary);letter-spacing:1px;text-transform:uppercase;margin-bottom:10px}
.section-head h2{font-family:var(--font-serif);font-size:34px;font-weight:700;color:var(--ink);line-height:1.3;margin-bottom:12px}
.section-head p{font-size:16px;color:var(--body)}
/* Pain */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:20px}
.pain-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 28px;transition:transform .3s,box-shadow .3s;position:relative;overflow:hidden}
.pain-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.pain-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient);opacity:.6}
.pain-icon{width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,rgba(166,124,69,.15),rgba(212,169,106,.15));display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:22px;margin-bottom:18px}
.pain-card h3{font-family:var(--font-serif);font-size:18px;font-weight:600;color:var(--ink);margin-bottom:10px}
.pain-card p{font-size:14px;color:var(--body);line-height:1.7}
/* Guide Content */
.guide-layout{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.guide-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.guide-media img{width:100%;height:400px;object-fit:cover}
.guide-media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(31,42,55,.3))}
.guide-list{display:flex;flex-direction:column;gap:20px}
.guide-item{display:flex;gap:16px;align-items:flex-start;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px 22px;transition:transform .3s,box-shadow .3s}
.guide-item:hover{transform:translateX(6px);box-shadow:var(--shadow-sm)}
.guide-item .item-icon{width:48px;height:48px;border-radius:14px;background:var(--gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;box-shadow:0 4px 12px rgba(166,124,69,.3)}
.guide-item h3{font-size:16px;font-weight:600;color:var(--ink);margin-bottom:4px}
.guide-item p{font-size:14px;color:var(--body);line-height:1.6}
/* Steps */
.steps-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:20px}
.step-item{text-align:center;position:relative;padding:10px 15px}
.step-item::after{content:'';position:absolute;top:35px;right:-14px;width:28px;height:2px;background:linear-gradient(90deg,var(--gold),transparent)}
.step-item:last-child::after{display:none}
.step-num{width:60px;height:60px;margin:0 auto 18px;border-radius:20px;background:var(--gradient);color:#fff;font-family:var(--font-serif);font-size:22px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(166,124,69,.35)}
.step-item h3{font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--ink);margin-bottom:8px}
.step-item p{font-size:14px;color:var(--body);line-height:1.7}
/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{background:linear-gradient(135deg,rgba(166,124,69,.12),rgba(212,169,106,.16));border:1px solid rgba(166,124,69,.2);border-radius:var(--radius-lg);padding:32px 20px;text-align:center;transition:transform .3s,box-shadow .3s}
.stat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.stat-card .stat-num{font-family:var(--font-serif);font-size:40px;font-weight:700;color:var(--primary-dark);line-height:1.1}
.stat-card .stat-label{font-size:14px;color:var(--body);margin-top:8px}
.stat-badge{display:inline-block;margin-bottom:12px;background:var(--gradient);color:#fff;font-size:12px;font-weight:600;padding:3px 14px;border-radius:20px}
/* Testimonials */
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 28px;position:relative;transition:transform .3s,box-shadow .3s}
.testi-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.testi-card .quote-icon{position:absolute;top:24px;right:24px;font-size:30px;color:rgba(166,124,69,.15)}
.testi-stars{color:var(--gold);font-size:14px;margin-bottom:16px;letter-spacing:2px}
.testi-text{font-size:14px;line-height:1.8;color:var(--body);margin-bottom:22px;font-style:italic}
.testi-user{display:flex;align-items:center;gap:12px}
.testi-avatar{width:42px;height:42px;border-radius:50%;background:var(--gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex-shrink:0}
.testi-user .testi-name{font-size:14px;font-weight:600;color:var(--ink)}
.testi-user .testi-scene{font-size:12px;color:var(--muted)}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:14px;background:var(--white);overflow:hidden;transition:box-shadow .3s}
.faq-item.active{box-shadow:var(--shadow-sm);border-color:rgba(166,124,69,.3)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:22px 26px;cursor:pointer;font-size:15px;font-weight:600;color:var(--ink);transition:color .25s;gap:16px}
.faq-question:hover{color:var(--primary)}
.faq-question .faq-toggle{width:28px;height:28px;border-radius:50%;background:rgba(166,124,69,.10);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--primary);transition:transform .3s;flex-shrink:0}
.faq-item.active .faq-toggle{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-answer-inner{padding:0 26px 22px;font-size:14px;color:var(--body);line-height:1.8}
/* CTA */
.cta-section{position:relative;padding:60px 0;background:var(--gradient);border-radius:var(--radius-lg);margin:0 24px;overflow:hidden;text-align:center}
.cta-section::before{content:'';position:absolute;top:-40px;right:-40px;width:200px;height:200px;background:rgba(255,255,255,.08);border-radius:50%}
.cta-section::after{content:'';position:absolute;bottom:-60px;left:-20px;width:180px;height:180px;background:rgba(255,255,255,.06);border-radius:50%}
.cta-inner{position:relative;z-index:2;padding:40px 20px}
.cta-inner h2{font-family:var(--font-serif);font-size:32px;font-weight:700;color:#fff;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.92);font-size:16px;margin-bottom:24px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.cta-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 34px;border-radius:16px;font-size:15px;font-weight:600;transition:transform .25s,box-shadow .25s,background .25s;background:#fff;color:var(--primary-dark);box-shadow:0 8px 24px rgba(0,0,0,.15)}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.2)}
.cta-btn-outline{border:2px solid rgba(255,255,255,.7);background:transparent;color:#fff;box-shadow:none}
.cta-btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
.cta-meta{font-size:13px;color:rgba(255,255,255,.85)}
.cta-meta i{margin-right:5px}
/* Footer */
.site-footer{background:var(--ink);color:#9aa4b3;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .logo{color:#fff;font-size:15px;margin-bottom:14px}
.footer-brand .logo .logo-icon{background:var(--gradient)}
.footer-brand p{font-size:14px;line-height:1.7}
.footer-links h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links a{display:block;font-size:14px;line-height:2.2;color:#9aa4b3;transition:color .25s}
.footer-links a:hover{color:var(--gold)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:22px 0;font-size:13px;color:#6f7a8c}
.footer-bottom a{color:#9aa4b3}
.footer-bottom a:hover{color:var(--gold)}
/* Responsive */
@media(max-width:1024px){
  .pain-grid,.testimonials-grid{grid-template-columns:repeat(2,1fr)}
  .guide-layout{grid-template-columns:1fr;gap:32px}
  .steps-wrap{grid-template-columns:repeat(2,1fr);gap:20px}
  .step-item::after{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .logo{font-size:13px}
  .logo-icon{width:32px;height:32px;font-size:14px}
  .main-nav{position:fixed;top:72px;left:16px;right:16px;background:rgba(255,255,255,.98);border-radius:20px;flex-direction:column;align-items:stretch;padding:16px;gap:4px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .3s,transform .3s,visibility .3s;border:1px solid var(--border)}
  .main-nav.nav-open{opacity:1;visibility:visible;transform:translateY(0)}
  .main-nav .nav-link{padding:14px 18px;font-size:15px}
  .nav-toggle{display:flex}
  .hero-main{min-height:280px;padding:30px 24px}
  .hero-content h1{font-size:32px}
  .hero-content p{font-size:15px}
  .section{padding:64px 0}
  .section-head h2{font-size:28px}
  .cta-section{margin:0 16px}
  .cta-inner h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:520px){
  .logo{white-space:normal;line-height:1.3;max-width:75%}
  .pain-grid,.testimonials-grid,.steps-wrap,.stats-grid{grid-template-columns:1fr}
  .guide-media img{height:260px}
  .hero-content h1{font-size:27px}
  .hero-actions{flex-direction:column;width:100%}
  .hero-actions .btn{width:100%}
  .cta-actions{flex-direction:column}
  .cta-actions .cta-btn{width:100%;justify-content:center}
}