/* roulang page: index */
:root {
            --color-primary: #E8843C;
            --color-secondary: #F2994A;
            --color-bg: #F7F4F0;
            --color-dark: #141414;
            --color-card: #FFFFFF;
            --color-accent: #FF6B4A;
            --color-accent-2: #FF3D77;
            --color-teal: #2DD4BF;
            --color-text: #161310;
            --color-text-body: #3D3833;
            --color-text-weak: #8A8378;
            --color-border: #EBE5DE;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 12px 30px rgba(20, 14, 8, 0.08);
            --shadow-hover: 0 20px 40px rgba(232, 132, 60, 0.18);
            --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --space-section: clamp(4rem, 8vw, 7rem);
            --nav-height: 64px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text-body);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: var(--color-dark);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            position: relative;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            box-shadow: 0 4px 12px rgba(232, 132, 60, 0.35);
            flex-shrink: 0;
        }

        .primary-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-left: 48px;
        }

        .primary-nav a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 4px;
            position: relative;
            transition: color 0.2s, text-shadow 0.2s;
        }

        .primary-nav a:hover {
            color: #fff;
        }

        .primary-nav a.active {
            color: #fff;
            text-shadow: 0 0 12px rgba(255, 107, 74, 0.7);
        }

        .primary-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
            border-radius: 2px;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }

        .btn-nav {
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 24px;
            border-radius: var(--radius-pill);
            transition: transform 0.2s, box-shadow 0.2s;
            white-space: nowrap;
        }

        .btn-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 74, 0.4);
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            background: rgba(255, 255, 255, 0.08);
        }

        /* ========== Hero 首屏 ========== */
        .hero {
            position: relative;
            background: var(--color-dark);
            background-image: linear-gradient(90deg, rgba(20, 20, 20, 0.88), rgba(20, 20, 20, 0.35)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            min-height: 580px;
            display: flex;
            align-items: center;
            padding: 80px 0;
        }

        .hero-content {
            max-width: 680px;
            color: #fff;
        }

        .hero-tagline {
            display: inline-block;
            background: rgba(255, 107, 74, 0.18);
            border: 1px solid rgba(255, 107, 74, 0.4);
            color: #FFB497;
            font-size: 0.85rem;
            font-weight: 500;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }

        .hero h1 {
            font-size: clamp(2.1rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.18;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 580px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            transition: transform 0.2s, box-shadow 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(255, 107, 74, 0.4);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 30px;
            border-radius: var(--radius-pill);
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .hero-trust span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-trust i {
            color: var(--color-teal);
        }

        /* ========== 数据徽章条 ========== */
        .stats-band {
            background: var(--color-dark);
            padding: 0;
            position: relative;
            z-index: 2;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            padding: 28px 0;
        }

        .stat-item {
            background: linear-gradient(135deg, rgba(255, 107, 74, 0.15), rgba(255, 61, 119, 0.08));
            border: 1px solid rgba(255, 107, 74, 0.2);
            border-radius: 20px;
            padding: 20px 24px;
            text-align: center;
            backdrop-filter: blur(8px);
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, #FF6B4A, #FF3D77);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: var(--space-section) 0;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(232, 132, 60, 0.08);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            color: var(--color-text-weak);
            font-size: 0.95rem;
            line-height: 1.7;
            max-width: 640px;
        }

        /* ========== 精选推荐卡片 ========== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .rec-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s, box-shadow 0.25s;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

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

        .rec-media {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: linear-gradient(135deg, #F0EBE5, #E5DCD2);
        }

        .rec-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .rec-card:hover .rec-media img {
            transform: scale(1.03);
        }

        .rec-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.3px;
            box-shadow: 0 4px 12px rgba(255, 61, 119, 0.3);
        }

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

        .rec-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.35;
        }

        .rec-desc {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .rec-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }

        .rec-tag {
            background: #F0EBE5;
            color: #5C554C;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-weight: 500;
        }

        .rec-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid #F0EBE5;
        }

        .rec-rating {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--color-text-body);
        }

        .rec-rating .stars {
            color: var(--color-primary);
            letter-spacing: 1px;
            font-size: 0.8rem;
        }

        .rec-price {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.95rem;
        }

        .rec-price span {
            font-size: 0.75rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }

        /* ========== 作品墙 / 环境直击 ========== */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .gallery-item {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            aspect-ratio: 1 / 1;
            background: linear-gradient(135deg, #E8DFD6, #D8CEC3);
            cursor: pointer;
            display: block;
        }

        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .gallery-item:hover img {
            transform: scale(1.04);
        }

        .gallery-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(20, 20, 20, 0.75) 0%, rgba(20, 20, 20, 0.1) 50%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 20px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .gallery-item:hover .gallery-overlay {
            opacity: 1;
        }

        .gallery-name {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 2px;
        }

        .gallery-note {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.8rem;
        }

        .gallery-cta {
            display: inline-block;
            margin-top: 10px;
            background: rgba(255, 255, 255, 0.9);
            color: var(--color-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            width: fit-content;
            transition: background 0.2s;
        }

        .gallery-item:hover .gallery-cta {
            background: #fff;
        }

        /* ========== 证言卡片 ========== */
        .testimonial-section {
            background: var(--color-card);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--color-bg);
            border-radius: 20px;
            padding: 28px;
            position: relative;
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: box-shadow 0.25s, transform 0.25s;
        }

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

        .testimonial-badge {
            position: absolute;
            top: 0;
            left: 24px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 0 0 12px 12px;
            letter-spacing: 0.3px;
        }

        .testimonial-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
            margin-top: 10px;
        }

        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .testimonial-info {
            flex: 1;
        }

        .testimonial-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .testimonial-scene {
            font-size: 0.75rem;
            color: var(--color-text-weak);
            background: #EBE5DE;
            display: inline-block;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            margin-top: 4px;
        }

        .testimonial-stars {
            color: var(--color-primary);
            font-size: 0.85rem;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }

        .testimonial-text {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--color-text-body);
            margin-bottom: 16px;
        }

        .testimonial-stats {
            display: flex;
            gap: 20px;
            border-top: 1px solid #EBE5DE;
            padding-top: 14px;
            font-size: 0.8rem;
            color: var(--color-text-weak);
        }

        .testimonial-stats span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-section {
            background: var(--color-card);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-bg);
            border-radius: 16px;
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: box-shadow 0.2s;
            overflow: hidden;
        }

        .faq-item[open] {
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            font-family: inherit;
        }

        .faq-number {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-question-text {
            flex: 1;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 20px 20px 68px;
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--color-text-body);
        }

        /* ========== 资讯区 ========== */
        .news-section {
            background: var(--color-bg);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.8fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid #EBE5DE;
            transition: padding-left 0.2s;
        }

        .news-item:hover {
            padding-left: 8px;
        }

        .news-date {
            font-size: 0.75rem;
            color: var(--color-text-weak);
            background: #F0EBE5;
            padding: 4px 10px;
            border-radius: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .news-item a {
            color: var(--color-text);
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.2s;
        }

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

        .news-sidebar {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

        .sidebar-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-primary);
            display: inline-block;
        }

        .sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .sidebar-list li {
            padding: 12px 0;
            border-bottom: 1px dashed #F0EBE5;
        }

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

        .sidebar-list a {
            color: var(--color-text-body);
            font-size: 0.9rem;
            line-height: 1.5;
            display: block;
            transition: color 0.2s;
        }

        .sidebar-list a:hover {
            color: var(--color-primary);
        }

        /* ========== 内容预告 ========== */
        .preview-section {
            background: var(--color-dark);
            color: #fff;
        }

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

        .preview-section .section-label {
            background: rgba(255, 107, 74, 0.15);
            color: #FFB497;
        }

        .preview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .preview-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 24px;
            transition: background 0.25s, transform 0.25s;
        }

        .preview-card:hover {
            background: rgba(255, 255, 255, 0.09);
            transform: translateY(-4px);
        }

        .preview-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .preview-card h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: #fff;
        }

        .preview-card p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .preview-badge {
            display: inline-block;
            background: rgba(45, 212, 191, 0.15);
            color: var(--color-teal);
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-weight: 500;
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            background: var(--color-dark);
            position: relative;
            overflow: hidden;
            padding: var(--space-section) 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 20%;
            width: 60%;
            height: 80%;
            background: radial-gradient(ellipse at center, rgba(255, 107, 74, 0.18) 0%, rgba(255, 61, 119, 0.1) 40%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            text-align: center;
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-btn {
            display: inline-block;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 16px 44px;
            border-radius: var(--radius-pill);
            transition: transform 0.25s, box-shadow 0.25s;
            border: none;
        }

        .cta-btn:hover {
            transform: translateY(-4px);
            box-shadow: 0 0 30px rgba(255, 107, 74, 0.45);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 12px;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            transition: color 0.2s;
        }

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

        .footer-col .safety-tip {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.82rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .gallery-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-top {
                grid-template-columns: 1fr 1fr 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 900px) {
            .primary-nav {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-cta .btn-nav {
                display: none;
            }
            .mobile-menu {
                display: block;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-dark);
                padding: 20px 0;
                z-index: 40;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            }
            .mobile-menu a {
                display: block;
                color: rgba(255, 255, 255, 0.85);
                font-size: 1.1rem;
                padding: 14px 24px;
                text-align: center;
            }
            .mobile-menu a:hover,
            .mobile-menu a.active {
                color: #fff;
                background: rgba(255, 255, 255, 0.05);
            }
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .featured-grid {
                display: flex;
                overflow-x: auto;
                scroll-snap-type: x mandatory;
                gap: 16px;
                padding-bottom: 16px;
                margin-bottom: -8px;
            }
            .featured-grid .rec-card {
                min-width: 260px;
                scroll-snap-align: start;
                flex-shrink: 0;
            }
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .preview-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .hero {
                min-height: 500px;
                padding: 60px 0;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-trust {
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .gallery-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section {
                padding: 3rem 0;
            }
            .faq-answer {
                padding-left: 20px;
            }
        }

        /* ========== 汉堡菜单逻辑 ========== */
        .mobile-menu {
            display: none;
        }

        .mobile-menu.open {
            display: block;
        }

        /* ========== FAQ 动画 ========== */
        .faq-answer {
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-6px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== Focus 可访问性 ========== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(232, 132, 60, 0.5);
            outline-offset: 2px;
        }

        ::selection {
            background: rgba(232, 132, 60, 0.25);
        }