/* roulang page: index */
:root {
            --primary: #3e2a20;
            --primary-light: #5d4037;
            --accent: #c9a227;
            --accent-light: #e6c96f;
            --bg: #faf8f5;
            --bg-dark: #2b1b12;
            --bg-gray: #f1ede7;
            --card-bg: #ffffff;
            --text: #2d2d2d;
            --text-light: #6f6f6f;
            --border: #e6ddd2;
            --radius: 18px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(62, 42, 32, .08);
            --shadow-lg: 0 10px 40px rgba(62, 42, 32, .14);
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
            --font-scale: 1.02;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text);
            background: var(--bg);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: .5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i {
            color: var(--accent);
            font-size: 1.3rem;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .header-nav .nav-link-custom {
            font-size: .95rem;
            font-weight: 500;
            color: var(--text);
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }
        .header-nav .nav-link-custom:hover,
        .header-nav .nav-link-custom.active {
            color: var(--primary);
            border-bottom-color: var(--accent);
        }
        .lang-switch {
            display: flex;
            align-items: center;
            background: var(--bg-gray);
            border-radius: 999px;
            padding: 4px;
            gap: 2px;
            margin-left: 12px;
        }
        .lang-switch .lang-opt {
            padding: 6px 14px;
            border-radius: 999px;
            font-size: .85rem;
            font-weight: 600;
            color: var(--text-light);
            transition: var(--transition);
        }
        .lang-switch .lang-opt.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(62, 42, 32, .2);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 120px 0 100px;
            color: #fff;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(43, 27, 18, .88) 0%, rgba(43, 27, 18, .72) 55%, rgba(62, 42, 32, .55) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 162, 39, .2);
            border: 1px solid rgba(201, 162, 39, .4);
            border-radius: 999px;
            padding: 8px 20px;
            font-size: .85rem;
            font-weight: 600;
            color: var(--accent-light);
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }
        .hero h1 {
            font-size: 2.7rem;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: .5px;
            max-width: 640px;
            margin-bottom: 20px;
        }
        .hero-desc {
            font-size: 1.05rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .9);
            max-width: 560px;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 56px;
        }
        .btn-hero-primary {
            background: var(--accent);
            color: var(--primary);
            border: none;
            border-radius: 999px;
            padding: 14px 36px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(201, 162, 39, .35);
        }
        .btn-hero-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(201, 162, 39, .45);
            background: var(--accent-light);
            color: var(--primary);
        }
        .btn-hero-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, .6);
            color: #fff;
            border-radius: 999px;
            padding: 12px 32px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
        }
        .btn-hero-outline:hover {
            border-color: var(--accent);
            color: var(--accent-light);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, .15);
            padding-top: 32px;
        }
        .stat-item {
            text-align: left;
        }
        .stat-num {
            display: block;
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1.2;
        }
        .stat-label {
            font-size: .9rem;
            color: rgba(255, 255, 255, .7);
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        /* ===== 通用 Section ===== */
        .section {
            padding: 88px 0;
        }
        .section-alt {
            background: var(--bg-gray);
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
            max-width: 680px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-tag {
            display: inline-block;
            background: rgba(201, 162, 39, .12);
            color: var(--accent);
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            border-radius: 999px;
            padding: 6px 18px;
            margin-bottom: 16px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--text-light);
            font-size: 1rem;
            line-height: 1.8;
        }

        /* ===== 竖屏种草卡片 ===== */
        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            border: 1px solid rgba(230, 221, 210, .5);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .feature-card .feature-img {
            height: 260px;
            overflow: hidden;
            position: relative;
        }
        .feature-card .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .feature-card:hover .feature-img img {
            transform: scale(1.05);
        }
        .feature-card .feature-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(43, 27, 18, .7);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: .75rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
        }
        .feature-card .feature-body {
            padding: 24px;
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: .92rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .feature-card .feature-more {
            margin-top: 16px;
            font-size: .85rem;
            color: var(--accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .feature-card .feature-more i {
            transition: transform .3s;
        }
        .feature-card:hover .feature-more i {
            transform: translateX(4px);
        }

        /* ===== 爆款清单 ===== */
        .hotlist-wrap {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px;
            border: 1px solid rgba(230, 221, 210, .5);
        }
        .hotlist-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 12px;
            border-bottom: 1px solid rgba(230, 221, 210, .5);
            transition: var(--transition);
            border-radius: 10px;
        }
        .hotlist-item:last-child {
            border-bottom: none;
        }
        .hotlist-item:hover {
            background: var(--bg-gray);
            padding-left: 20px;
        }
        .hotlist-rank {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent);
            min-width: 48px;
            font-style: italic;
        }
        .hotlist-title {
            flex: 1;
            font-weight: 600;
            color: var(--text);
            font-size: 1rem;
        }
        .hotlist-tag {
            background: rgba(201, 162, 39, .12);
            color: var(--accent);
            font-size: .75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .hotlist-item i {
            color: var(--text-light);
            font-size: .9rem;
        }

        /* ===== 评价墙 ===== */
        .review-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            height: 100%;
            position: relative;
            border: 1px solid rgba(230, 221, 210, .5);
            transition: var(--transition);
        }
        .review-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .review-card::before {
            content: "\201C";
            position: absolute;
            top: 8px;
            left: 20px;
            font-size: 4rem;
            color: rgba(201, 162, 39, .2);
            font-family: Georgia, serif;
            line-height: 1;
        }
        .review-stars {
            color: var(--accent);
            font-size: .9rem;
            margin-bottom: 16px;
            display: flex;
            gap: 2px;
        }
        .review-text {
            font-size: .92rem;
            line-height: 1.75;
            color: var(--text);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .review-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .85rem;
            font-weight: 700;
        }
        .review-name {
            font-size: .9rem;
            font-weight: 600;
            color: var(--primary);
        }
        .review-meta {
            font-size: .78rem;
            color: var(--text-light);
        }

        /* ===== 资讯 ===== */
        .news-list {
            list-style: none;
        }
        .news-list li {
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .news-list li:last-child {
            border-bottom: none;
        }
        .news-date {
            font-size: .78rem;
            color: var(--text-light);
            background: var(--bg-gray);
            padding: 4px 10px;
            border-radius: 6px;
            white-space: nowrap;
            font-weight: 600;
        }
        .news-list a {
            font-size: .95rem;
            font-weight: 500;
            color: var(--text);
            line-height: 1.5;
        }
        .news-list a:hover {
            color: var(--accent);
        }
        .sidebar-widget {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
            border: 1px solid rgba(230, 221, 210, .5);
        }
        .sidebar-widget h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
            position: relative;
        }
        .sidebar-widget h3::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--accent);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            background: var(--bg-gray);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: .82rem;
            color: var(--text-light);
            transition: var(--transition);
        }
        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
        }
        .sidebar-widget ul {
            list-style: none;
        }
        .sidebar-widget ul li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
        }
        .sidebar-widget ul li:last-child {
            border-bottom: none;
        }
        .sidebar-widget ul a {
            font-size: .9rem;
            color: var(--text-light);
            line-height: 1.5;
            display: block;
        }
        .sidebar-widget ul a:hover {
            color: var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 32px;
            box-shadow: var(--shadow);
            margin-bottom: 16px;
            border: 1px solid rgba(230, 221, 210, .5);
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .faq-item h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item h3 i {
            color: var(--accent);
            font-size: .9rem;
        }
        .faq-item p {
            font-size: .93rem;
            color: var(--text-light);
            line-height: 1.75;
            margin-left: 26px;
        }

        /* ===== CTA 加购引导 ===== */
        .cta-box {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            border-radius: 24px;
            padding: 72px 48px;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }
        .cta-box::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(43, 27, 18, .8);
            z-index: 1;
        }
        .cta-box>* {
            position: relative;
            z-index: 2;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-box p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .85);
            max-width: 600px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .btn-cta-solid {
            background: var(--accent);
            color: var(--primary);
            border: none;
            border-radius: 999px;
            padding: 14px 40px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(201, 162, 39, .3);
            margin-right: 12px;
        }
        .btn-cta-solid:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 162, 39, .4);
        }
        .btn-cta-ghost {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, .5);
            color: #fff;
            border-radius: 999px;
            padding: 12px 32px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-cta-ghost:hover {
            border-color: var(--accent);
            color: var(--accent-light);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, .75);
            padding: 72px 0 32px;
        }
        .site-footer .footer-logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }
        .site-footer .footer-logo i {
            color: var(--accent);
        }
        .site-footer p {
            font-size: .9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
        }
        .site-footer h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
        }
        .site-footer ul li {
            padding: 6px 0;
        }
        .site-footer ul a {
            font-size: .9rem;
            color: rgba(255, 255, 255, .55);
            transition: var(--transition);
        }
        .site-footer ul a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 24px;
            margin-top: 48px;
            text-align: center;
            font-size: .85rem;
            color: rgba(255, 255, 255, .35);
        }

        /* ===== 底部固定转化条 ===== */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border);
            padding: 12px 0;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, .04);
            transform: translateY(0);
            transition: var(--transition);
        }
        .bottom-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .bottom-bar p {
            margin: 0;
            font-size: .92rem;
            font-weight: 500;
            color: var(--primary);
        }
        .bottom-bar .btn {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 999px;
            padding: 8px 24px;
            font-size: .88rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .bottom-bar .btn:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .bottom-bar .btn:focus {
            outline: 3px solid rgba(201, 162, 39, .4);
            outline-offset: 2px;
        }
        body {
            padding-bottom: 70px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .hero {
                padding: 90px 0 70px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hotlist-wrap {
                padding: 24px;
            }
        }
        @media (max-width: 767.98px) {
            .section {
                padding: 64px 0;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: .95rem;
            }
            .hero-stats {
                gap: 24px;
            }
            .stat-num {
                font-size: 1.7rem;
            }
            .cta-box {
                padding: 48px 24px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .btn-cta-solid,
            .btn-cta-ghost {
                display: block;
                width: 100%;
                margin: 8px 0;
            }
            .site-header .container {
                height: 60px;
            }
            .logo {
                font-size: 1.2rem;
            }
            .header-nav {
                gap: 16px;
            }
            .hotlist-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .hotlist-tag {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero {
                padding: 70px 0 56px;
            }
            .hero h1 {
                font-size: 1.45rem;
                line-height: 1.4;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                text-align: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
            .feature-card .feature-img {
                height: 200px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .faq-item {
                padding: 20px;
            }
            .faq-item h3 {
                font-size: .95rem;
            }
            .bottom-bar .container {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .lang-switch {
                display: none;
            }
        }

        /* 焦点可访问性 */
        a:focus,
        button:focus {
            outline: 3px solid rgba(201, 162, 39, .5);
            outline-offset: 2px;
        }
        .btn-hero-primary:focus,
        .btn-hero-outline:focus,
        .btn-cta-solid:focus,
        .btn-cta-ghost:focus {
            outline: 3px solid rgba(255, 255, 255, .5);
            outline-offset: 2px;
        }

        /* Bootstrap 覆盖 */
        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
        }
        .btn-outline-primary {
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover {
            background: var(--primary);
            border-color: var(--primary);
        }
        a {
            color: var(--primary);
        }
        a:hover {
            color: var(--accent);
        }