/* roulang page: index */
:root {
            --primary: #0f3d3e;
            --primary-dark: #0a2e2f;
            --primary-light: #1a5a5c;
            --accent: #c9a96a;
            --accent-hover: #b8955a;
            --accent-light: #f0e6d2;
            --bg: #faf8f4;
            --bg-warm: #f5f0e8;
            --surface: #ffffff;
            --surface-alt: #f9f6f0;
            --text: #1a1a1a;
            --text-secondary: #4a4a4a;
            --text-muted: #6b6b6b;
            --text-light: #8a8a8a;
            --border: #e8e4de;
            --border-strong: #d5cfc6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 14px rgba(0,0,0,0.07);
            --shadow-lg: 0 8px 28px rgba(0,0,0,0.10);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
            --container-max: 1200px;
            --header-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; }
        button { font-family: inherit; cursor: pointer; border: none; background: none; }
        input, textarea, select { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }

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

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-md); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: opacity var(--transition);
        }
        .logo-link:hover { opacity: 0.85; }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 17px;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: var(--bg-warm);
            color: var(--primary);
        }
        .main-nav a.active {
            background: var(--primary);
            color: #fff;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 7px 16px;
            flex: 0 1 260px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(201,169,106,0.2);
        }
        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13.5px;
            color: var(--text);
            width: 100%;
            min-width: 0;
        }
        .header-search input::placeholder { color: var(--text-light); }
        .header-search .search-icon {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            background: linear-gradient(150deg, var(--primary-dark) 0%, var(--primary) 40%, var(--primary-light) 100%);
            color: #fff;
            overflow: hidden;
            padding: 0;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(10,46,47,0.35) 0%, rgba(10,46,47,0.6) 100%);
            z-index: 1;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            padding: 48px 24px 60px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        /* 秒杀闪购条 */
        .flash-bar {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            margin-bottom: 40px;
            font-size: 14px;
        }
        .flash-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 12.5px;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .flash-text {
            color: rgba(255,255,255,0.88);
            font-weight: 500;
            flex: 1;
            min-width: 200px;
        }
        .countdown {
            display: flex;
            align-items: center;
            gap: 5px;
            font-weight: 700;
            font-size: 15px;
            color: #fff;
            white-space: nowrap;
        }
        .countdown-unit {
            background: rgba(255,255,255,0.16);
            border-radius: var(--radius-sm);
            padding: 4px 8px;
            min-width: 40px;
            text-align: center;
            font-variant-numeric: tabular-nums;
        }
        .countdown-sep { color: rgba(255,255,255,0.6); font-weight: 400; }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .hero-left h1 {
            font-size: clamp(26px, 4vw, 38px);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }
        .hero-left h1 .accent-text {
            color: var(--accent);
        }
        .hero-desc {
            font-size: 16px;
            color: rgba(255,255,255,0.82);
            line-height: 1.85;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: all var(--transition);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(201,169,106,0.35);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 22px rgba(201,169,106,0.45);
            transform: translateY(-2px);
        }
        .btn-primary:active { transform: translateY(0); box-shadow: 0 2px 10px rgba(201,169,106,0.3); }
        .btn-outline-light {
            border: 1.5px solid rgba(255,255,255,0.5);
            color: #fff;
            background: transparent;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.1);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-value {
            font-size: 26px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 13px;
            color: rgba(255,255,255,0.65);
            margin-top: 3px;
        }
        /* 主推卡 */
        .hero-feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            display: flex;
            flex-direction: column;
            color: var(--text);
            max-width: 420px;
            margin-left: auto;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .hero-feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 56px rgba(0,0,0,0.18);
        }
        .hero-feature-img-wrap {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .hero-feature-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .hero-feature-card:hover .hero-feature-img-wrap img {
            transform: scale(1.04);
        }
        .hero-feature-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(15,61,62,0.88);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 50px;
            letter-spacing: 0.02em;
        }
        .hero-feature-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .hero-feature-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .hero-feature-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .hero-feature-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .hero-feature-meta .price-tag {
            font-weight: 700;
            font-size: 18px;
            color: var(--accent-hover);
        }
        .btn-feature-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-size: 13.5px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .btn-feature-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(15,61,62,0.3);
        }

        /* ========== PILL 导航 ========== */
        .pill-nav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
            position: relative;
            z-index: 5;
        }
        .pill-nav-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            padding: 2px 0;
        }
        .pill-nav-inner::-webkit-scrollbar { display: none; }
        .pill-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-warm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .pill-link:hover {
            background: var(--accent-light);
            border-color: var(--accent);
            color: var(--primary);
        }
        .pill-link.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .pill-link i { font-size: 12px; }

        /* ========== 板块通用 ========== */
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background: var(--surface-alt);
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-size: clamp(22px, 2.6vw, 30px);
            font-weight: 700;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }
        .section-tag {
            display: inline-block;
            font-size: 12.5px;
            font-weight: 600;
            color: var(--accent-hover);
            background: var(--accent-light);
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        /* ========== 卖点三连 ========== */
        .selling-points {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .point-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            transition: all var(--transition);
        }
        .point-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border-strong);
        }
        .point-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 18px;
        }
        .point-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .point-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== 场景演示 ========== */
        .scene-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .scene-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16/10;
            transition: all var(--transition);
        }
        .scene-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .scene-card:hover img {
            transform: scale(1.05);
        }
        .scene-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 30px 24px 22px;
            background: linear-gradient(180deg, transparent 0%, rgba(10,46,47,0.82) 100%);
            color: #fff;
        }
        .scene-overlay h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .scene-overlay p {
            font-size: 13.5px;
            color: rgba(255,255,255,0.8);
            line-height: 1.6;
        }

        /* ========== 社会认同 ========== */
        .social-proof-wrap {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 36px;
            align-items: start;
        }
        .testimonial-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .testimonial-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: all var(--transition);
        }
        .testimonial-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }
        .testimonial-item .quote {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 10px;
        }
        .testimonial-item .author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .testimonial-item .author .avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 13px;
            font-weight: 600;
        }
        .proof-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .proof-stat-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .proof-stat-card:hover {
            box-shadow: var(--shadow-md);
        }
        .proof-stat-card .stat-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .proof-stat-card .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ========== 资讯列表 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 28px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: all var(--transition);
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
            transform: translateX(4px);
        }
        .news-item .news-tag {
            flex-shrink: 0;
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 50px;
            background: var(--accent-light);
            color: var(--accent-hover);
            white-space: nowrap;
        }
        .news-item .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-item .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }
        .news-item:hover .news-title { color: var(--primary); }
        .news-item .news-meta {
            font-size: 12.5px;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
        }
        .news-recommend {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
        }
        .news-recommend h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-light);
        }
        .news-recommend ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .news-recommend ul li a {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            transition: color var(--transition);
        }
        .news-recommend ul li a:hover { color: var(--primary); }
        .news-recommend ul li a i {
            color: var(--accent);
            font-size: 8px;
            margin-top: 8px;
            flex-shrink: 0;
        }

        /* ========== 新手入门 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .step-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .step-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            margin: 0 auto 14px;
        }
        .step-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ========== 合集目录 ========== */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .collection-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .collection-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .collection-img {
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .collection-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .collection-card:hover .collection-img img {
            transform: scale(1.05);
        }
        .collection-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .collection-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .collection-body p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .collection-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .btn-collection {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-hover);
            transition: color var(--transition);
        }
        .btn-collection:hover { color: var(--primary); }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            transition: color var(--transition);
            user-select: none;
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i {
            color: var(--accent);
            transition: transform var(--transition);
            font-size: 13px;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ========== 订阅更新 ========== */
        .subscribe-bar {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .subscribe-text {
            flex: 1;
            min-width: 240px;
        }
        .subscribe-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .subscribe-text p {
            font-size: 14px;
            color: rgba(255,255,255,0.75);
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            min-width: 280px;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 180px;
            padding: 13px 18px;
            border-radius: 50px;
            border: 1px solid rgba(255,255,255,0.3);
            background: rgba(255,255,255,0.1);
            color: #fff;
            outline: none;
            font-size: 14px;
            transition: all var(--transition);
        }
        .subscribe-form input::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .subscribe-form input:focus {
            border-color: var(--accent);
            background: rgba(255,255,255,0.15);
        }
        .subscribe-form .btn-sub {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 13px 26px;
            border-radius: 50px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .subscribe-form .btn-sub:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
        }
        .subscribe-privacy {
            font-size: 12px;
            color: rgba(255,255,255,0.5);
            margin-top: 8px;
        }

        /* ========== 转化表单 ========== */
        .lead-form-section {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
        }
        .lead-form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .lead-form-left h2 {
            font-size: clamp(20px, 2.4vw, 28px);
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .lead-form-left p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .lead-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 12px 16px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            background: #fff;
            font-size: 14px;
            color: var(--text);
            outline: none;
            transition: all var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(201,169,106,0.18);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }
        .btn-submit-form {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 15px;
            transition: all var(--transition);
            align-self: flex-start;
        }
        .btn-submit-form:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(15,61,62,0.3);
            transform: translateY(-2px);
        }

        /* ========== 成功路径 ========== */
        .success-journey {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            padding: 20px 0;
        }
        .journey-step {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .journey-step:hover { color: var(--primary); }
        .journey-step .j-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--surface);
            border: 2px solid var(--border-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 15px;
            transition: all var(--transition);
        }
        .journey-step:hover .j-icon {
            border-color: var(--accent);
            background: var(--accent-light);
            box-shadow: 0 3px 10px rgba(201,169,106,0.25);
        }
        .journey-arrow {
            color: var(--text-light);
            font-size: 14px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.75);
            padding: 48px 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
        }
        .footer-brand h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.8;
            color: rgba(255,255,255,0.6);
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover { color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 18px 0;
            text-align: center;
            font-size: 12.5px;
            color: rgba(255,255,255,0.45);
        }

        /* ========== 浮动转化条 ========== */
        .floating-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(15,61,62,0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255,255,255,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            padding: 12px 20px;
            transform: translateY(100%);
            transition: transform 0.35s ease;
        }
        .floating-cta.visible {
            transform: translateY(0);
        }
        .floating-cta p {
            font-size: 14px;
            color: rgba(255,255,255,0.85);
            font-weight: 500;
        }
        .floating-cta .btn-floating {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 13.5px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .floating-cta .btn-floating:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-feature-card {
                max-width: 100%;
                margin-left: 0;
            }
            .social-proof-wrap {
                grid-template-columns: 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .lead-form-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .collection-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            .main-nav a {
                padding: 8px 12px;
                font-size: 13.5px;
            }
            .hero-inner {
                padding: 32px 16px 42px;
            }
            .flash-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 10px 16px;
                margin-bottom: 28px;
            }
            .hero-left h1 {
                font-size: 24px;
            }
            .hero-desc {
                font-size: 14.5px;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat-value {
                font-size: 22px;
            }
            .selling-points {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .scene-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .collection-grid {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .subscribe-bar {
                flex-direction: column;
                align-items: stretch;
                padding: 24px 20px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .lead-form-section {
                padding: 24px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .floating-cta {
                flex-direction: column;
                gap: 8px;
                padding: 10px 16px;
                text-align: center;
            }
            .section {
                padding: 36px 0;
            }
            .journey-arrow {
                display: none;
            }
            .success-journey {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo-link {
                font-size: 15px;
            }
            .main-nav a {
                padding: 6px 10px;
                font-size: 12.5px;
            }
            .hero-left h1 {
                font-size: 21px;
            }
            .hero-desc {
                font-size: 13.5px;
            }
            .btn {
                padding: 11px 22px;
                font-size: 13.5px;
            }
            .hero-feature-body {
                padding: 16px 18px 18px;
            }
            .hero-feature-body h3 {
                font-size: 15px;
            }
            .proof-stat-card .stat-num {
                font-size: 26px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer p {
                font-size: 13px;
            }
        }