/* roulang page: index */
:root {
            --color-primary: #8B6914;
            --color-primary-dark: #5D440E;
            --color-accent: #D4A55A;
            --color-bg: #FDF8F0;
            --color-bg-alt: #F7EDDD;
            --color-dark: #2D1810;
            --color-text: #3C2415;
            --color-text-weak: #7A6B5D;
            --color-border: #E8D5BC;
            --color-white: #FFFFFF;
            --color-success: #2E7D32;
            --color-warning: #D4762A;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(61, 36, 21, 0.06);
            --shadow-md: 0 8px 24px rgba(61, 36, 21, 0.10);
            --shadow-lg: 0 16px 40px rgba(61, 36, 21, 0.14);
            --space-1: 4px;
            --space-2: 8px;
            --space-3: 16px;
            --space-4: 24px;
            --space-5: 32px;
            --space-6: 48px;
            --space-7: 64px;
            --space-8: 80px;
            --font-base: 16px;
            --font-sm: 14px;
            --font-lg: 18px;
            --font-xl: 22px;
            --font-2xl: 28px;
            --font-3xl: 36px;
            --font-4xl: 48px;
        }

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

        html {
            font-size: var(--font-base);
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover,
        a:focus {
            color: var(--color-primary);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 4px;
            border-radius: 4px;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

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

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

        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: var(--space-7) 0;
        }

        .section-alt {
            background-color: var(--color-bg-alt);
        }

        .section-dark {
            background-color: var(--color-dark);
            color: var(--color-white);
        }

        .section-tight {
            padding: var(--space-6) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--color-primary);
            background: rgba(139, 105, 20, 0.1);
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: var(--space-3);
        }

        .section-title {
            font-size: var(--font-3xl);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: var(--space-3);
        }

        .section-title.light {
            color: var(--color-white);
        }

        .section-desc {
            font-size: var(--font-lg);
            color: var(--color-text-weak);
            line-height: 1.75;
            max-width: 720px;
            margin-bottom: var(--space-5);
        }

        .section-desc.light {
            color: rgba(255, 255, 255, 0.75);
        }

        .text-gradient {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            text-align: center;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
            color: var(--color-white);
            box-shadow: 0 4px 16px rgba(139, 105, 20, 0.35);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
            color: var(--color-white);
            box-shadow: 0 8px 24px rgba(139, 105, 20, 0.45);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(139, 105, 20, 0.3);
        }

        .btn-outline {
            border-color: var(--color-border);
            color: var(--color-text);
            background: var(--color-white);
        }

        .btn-outline:hover,
        .btn-outline:focus {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(139, 105, 20, 0.06);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.4);
            color: var(--color-white);
            background: transparent;
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            border-color: var(--color-white);
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 17px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            background: rgba(139, 105, 20, 0.1);
            color: var(--color-primary);
            white-space: nowrap;
        }

        .badge-success {
            background: rgba(46, 125, 50, 0.1);
            color: var(--color-success);
        }

        .badge-warning {
            background: rgba(212, 118, 42, 0.12);
            color: var(--color-warning);
        }

        .badge-light {
            background: rgba(255, 255, 255, 0.15);
            color: var(--color-white);
        }

        .card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all 0.35s ease;
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(139, 105, 20, 0.3);
        }

        .card-body {
            padding: var(--space-4);
        }

        .card-image {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

        .card-image img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .card:hover .card-image img {
            transform: scale(1.05);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(253, 248, 240, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(232, 213, 188, 0.6);
            box-shadow: 0 1px 12px rgba(61, 36, 21, 0.06);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            padding: 0 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-text);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(139, 105, 20, 0.25);
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-weak);
            padding: 8px 4px;
            position: relative;
            transition: color 0.3s ease;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius: 2px;
            transition: width 0.3s ease;
        }

        .nav-links a:hover,
        .nav-links a:focus {
            color: var(--color-primary);
        }

        .nav-links a:hover::after,
        .nav-links a:focus::after {
            width: 100%;
        }

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

        .nav-links a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-status {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-success);
            font-weight: 500;
            padding: 8px 14px;
            background: rgba(46, 125, 50, 0.08);
            border-radius: 100px;
            white-space: nowrap;
        }

        .nav-status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.7);
            }
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: var(--color-white);
            color: var(--color-text);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .nav-toggle:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        /* Hero - 全宽矮横幅 */
        .hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(45, 24, 16, 0.75) 0%, rgba(45, 24, 16, 0.55) 50%, rgba(45, 24, 16, 0.8) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 160px;
            background: linear-gradient(180deg, transparent 0%, var(--color-bg) 100%);
            z-index: 2;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            padding: var(--space-8) 0 var(--space-6);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 165, 90, 0.2);
            border: 1px solid rgba(212, 165, 90, 0.4);
            color: #F5E6C8;
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: var(--space-4);
            backdrop-filter: blur(8px);
        }

        .hero-title {
            font-size: clamp(28px, 5vw, 52px);
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-white);
            margin-bottom: var(--space-4);
            letter-spacing: -0.5px;
            max-width: 760px;
        }

        .hero-pain-point {
            font-size: clamp(17px, 2.2vw, 22px);
            font-weight: 600;
            color: #F5E6C8;
            margin-bottom: var(--space-3);
            letter-spacing: 0.3px;
        }

        .hero-desc {
            font-size: var(--font-lg);
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: var(--space-5);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: var(--space-5);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            padding-top: var(--space-4);
            border-top: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
            font-weight: 500;
        }

        .hero-stat-item i {
            font-size: 20px;
            color: var(--color-accent);
        }

        .hero-stat-item strong {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
        }

        /* 演示区 */
        .demo-panel {
            margin-top: -40px;
            position: relative;
            z-index: 5;
            padding-bottom: var(--space-6);
        }

        .demo-panel-inner {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            padding: var(--space-5);
        }

        .demo-panel-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: var(--space-4);
            padding-bottom: var(--space-3);
            border-bottom: 1px solid var(--color-border);
        }

        .demo-panel-dots {
            display: flex;
            gap: 6px;
        }

        .demo-panel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-border);
        }

        .demo-panel-dot:nth-child(1) {
            background: #E8A0A0;
        }
        .demo-panel-dot:nth-child(2) {
            background: #E8C8A0;
        }
        .demo-panel-dot:nth-child(3) {
            background: #A0C8A0;
        }

        .demo-panel-title {
            font-size: 14px;
            color: var(--color-text-weak);
            font-weight: 500;
            margin-left: 8px;
        }

        .demo-search-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            margin-bottom: var(--space-4);
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
        }

        .demo-search-bar:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        .demo-search-bar i {
            color: var(--color-text-weak);
            font-size: 16px;
        }

        .demo-search-bar input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 15px;
            color: var(--color-text);
            outline: none;
            padding: 4px 0;
        }

        .demo-search-bar input::placeholder {
            color: var(--color-text-weak);
            opacity: 0.7;
        }

        .demo-filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: var(--space-4);
        }

        .demo-filter-tag {
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-weak);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .demo-filter-tag:hover,
        .demo-filter-tag.active {
            background: rgba(139, 105, 20, 0.1);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .demo-results {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 16px;
        }

        .demo-result-card {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--color-bg);
            border-radius: var(--radius-md);
            padding: 14px;
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .demo-result-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .demo-result-thumb {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-border);
        }

        .demo-result-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .demo-result-info h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 2px;
        }

        .demo-result-info p {
            font-size: 13px;
            color: var(--color-text-weak);
            margin: 0;
        }

        .demo-result-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            color: var(--color-accent);
            margin-top: 4px;
        }

        /* 渠道卖点 */
        .channels-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-5);
            margin-bottom: var(--space-6);
        }

        .channel-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--space-5);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .channel-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .channel-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
            border-color: rgba(139, 105, 20, 0.25);
        }

        .channel-card:hover::before {
            opacity: 1;
        }

        .channel-step {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: var(--color-white);
            font-weight: 700;
            font-size: 18px;
            margin-bottom: var(--space-3);
            box-shadow: 0 4px 12px rgba(139, 105, 20, 0.25);
        }

        .channel-card h4 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--space-2);
        }

        .channel-card p {
            font-size: 15px;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin: 0;
        }

        .channel-objection {
            background: var(--color-bg-alt);
            border-radius: var(--radius-lg);
            padding: var(--space-5);
            border: 1px dashed var(--color-border);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: var(--space-4);
        }

        .channel-objection-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-warning);
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
        }

        .channel-objection-text {
            flex: 1;
            min-width: 200px;
        }

        .channel-objection-text h5 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .channel-objection-text p {
            font-size: 14px;
            color: var(--color-text-weak);
            margin: 0;
        }

        /* 精选茶室 */
        .teahouse-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-4);
        }

        .teahouse-card .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
        }

        .teahouse-card .card-body h5 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .teahouse-card .card-body .teahouse-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-weak);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .teahouse-card .card-body .teahouse-meta i {
            color: var(--color-accent);
            margin-right: 4px;
        }

        .teahouse-card .card-body .teahouse-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .teahouse-card .card-body .teahouse-tags span {
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 100px;
            background: var(--color-bg-alt);
            color: var(--color-text-weak);
            border: 1px solid var(--color-border);
        }

        .teahouse-card .card-body .teahouse-price {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            margin-top: 10px;
        }

        .teahouse-card .card-body .teahouse-price small {
            font-size: 14px;
            font-weight: 400;
            color: var(--color-text-weak);
        }

        /* 成功数据条 */
        .data-bar {
            background: linear-gradient(135deg, var(--color-dark) 0%, #4A2A18 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-6) var(--space-5);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-4);
            box-shadow: var(--shadow-lg);
        }

        .data-item {
            text-align: center;
            padding: var(--space-3);
            border-radius: var(--radius-md);
            transition: all 0.3s ease;
        }

        .data-item:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .data-item .data-number {
            font-size: clamp(28px, 3.5vw, 40px);
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 4px;
            letter-spacing: -0.5px;
        }

        .data-item .data-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        /* 拼团转化 */
        .group-buy-wrapper {
            background: linear-gradient(135deg, #FDF8F0 0%, #F7E8D0 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-6);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
        }

        .group-buy-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: var(--space-5);
        }

        .group-buy-left h4 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--space-3);
        }

        .group-buy-left .group-rule {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 14px;
            font-size: 15px;
            color: var(--color-text-weak);
        }

        .group-buy-left .group-rule i {
            color: var(--color-primary);
            margin-top: 4px;
            flex-shrink: 0;
        }

        .group-progress-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--space-4);
            margin-bottom: var(--space-3);
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
        }

        .group-progress-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(139, 105, 20, 0.3);
        }

        .group-progress-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 10px;
        }

        .group-progress-header h6 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0;
        }

        .group-progress-header .badge {
            font-size: 11px;
            padding: 4px 10px;
        }

        .group-progress-bar {
            height: 8px;
            background: var(--color-bg-alt);
            border-radius: 100px;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .group-progress-fill {
            height: 100%;
            border-radius: 100px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            transition: width 0.6s ease;
        }

        .group-progress-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--color-text-weak);
        }

        .group-progress-footer .avatars {
            display: flex;
            align-items: center;
            gap: -6px;
        }

        .group-progress-footer .avatar-dot {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-white);
            font-size: 11px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            border: 2px solid var(--color-white);
        }

        /* 线索表单 */
        .form-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: var(--space-6);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border);
        }

        .form-card h4 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--space-2);
        }

        .form-card>p {
            font-size: 15px;
            color: var(--color-text-weak);
            margin-bottom: var(--space-5);
        }

        .form-group {
            margin-bottom: var(--space-4);
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            background: var(--color-bg);
            font-size: 15px;
            color: var(--color-text);
            transition: all 0.3s ease;
            outline: none;
            -webkit-appearance: none;
            appearance: none;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(139, 105, 20, 0.1);
            background: var(--color-white);
        }

        .form-group select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath fill='%237A6B5D' d='M6 7L0 1.4 1.4 0 6 4.6 10.6 0 12 1.4z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            padding-right: 40px;
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .form-submit-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .form-submit-row .privacy-hint {
            font-size: 13px;
            color: var(--color-text-weak);
            flex: 1;
            min-width: 200px;
        }

        /* 资讯区 */
        .news-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--space-5);
        }

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

        .news-list-item {
            padding: var(--space-3) 0;
            border-bottom: 1px solid var(--color-border);
            transition: all 0.3s ease;
        }

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

        .news-list-item a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--color-text);
            font-size: 16px;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .news-list-item a:hover {
            color: var(--color-primary);
            padding-left: 6px;
        }

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

        .news-sidebar .side-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            margin-bottom: var(--space-3);
            transition: all 0.3s ease;
        }

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

        .news-sidebar .side-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }

        .news-sidebar .side-card .side-card-body {
            padding: var(--space-3);
        }

        .news-sidebar .side-card .side-card-body h6 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-sidebar .side-card .side-card-body p {
            font-size: 13px;
            color: var(--color-text-weak);
            margin: 0;
        }

        /* 用户口碑 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-4);
        }

        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--space-5);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
        }

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

        .testimonial-card .quote-icon {
            font-size: 28px;
            color: var(--color-accent);
            opacity: 0.5;
            margin-bottom: var(--space-3);
            display: block;
        }

        .testimonial-card p {
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.75;
            margin-bottom: var(--space-3);
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text-weak);
        }

        .testimonial-card .testimonial-author .author-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
        }

        /* FAQ */
        .faq-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            margin-bottom: var(--space-3);
            padding: var(--space-4);
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(139, 105, 20, 0.3);
            box-shadow: var(--shadow-sm);
        }

        .faq-item h5 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .faq-item h5 i {
            color: var(--color-primary);
            font-size: 14px;
        }

        .faq-item p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin: 0;
            padding-left: 22px;
        }

        /* 隐私说明 */
        .privacy-panel {
            background: var(--color-bg-alt);
            border-radius: var(--radius-lg);
            padding: var(--space-5);
            border: 1px solid var(--color-border);
        }

        .privacy-panel h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--space-3);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .privacy-panel h4 i {
            color: var(--color-success);
        }

        .privacy-panel p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.75;
            margin-bottom: var(--space-3);
        }

        .privacy-panel p:last-child {
            margin-bottom: 0;
        }

        .privacy-list {
            list-style: none;
            padding: 0;
            margin: 0 0 var(--space-3) 0;
        }

        .privacy-list li {
            font-size: 14px;
            color: var(--color-text-weak);
            padding: 6px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .privacy-list li i {
            color: var(--color-success);
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background: var(--color-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--space-7) 0 var(--space-4);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--space-5);
            margin-bottom: var(--space-5);
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: var(--space-3);
        }

        .footer-brand .footer-logo .nav-logo-icon {
            width: 34px;
            height: 34px;
            font-size: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            max-width: 360px;
            margin: 0;
        }

        .footer-col h6 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: var(--space-3);
            letter-spacing: 0.5px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: all 0.3s ease;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--space-4);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--space-3);
        }

        .footer-bottom p {
            font-size: 13px;
            margin: 0;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            transition: color 0.3s ease;
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .channels-grid,
            .teahouse-grid,
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .group-buy-grid {
                grid-template-columns: 1fr;
            }

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

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

        @media (max-width: 768px) {
            .nav-wrapper {
                padding: 0 16px;
                min-height: 60px;
            }

            .nav-logo {
                font-size: 17px;
            }

            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 10px;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                gap: 0;
                padding: var(--space-3) 16px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--color-border);
                z-index: 99;
            }

            .nav-links.mobile-open {
                display: flex;
            }

            .nav-links li {
                width: 100%;
            }

            .nav-links a {
                display: block;
                padding: 12px 4px;
                font-size: 16px;
                border-bottom: 1px solid var(--color-border);
            }

            .nav-links a::after {
                display: none;
            }

            .nav-status {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-actions .btn {
                padding: 10px 16px;
                font-size: 13px;
            }

            .hero {
                min-height: 440px;
            }

            .hero-title {
                font-size: clamp(24px, 6vw, 32px);
            }

            .hero-desc {
                font-size: 15px;
            }

            .hero-stats {
                gap: 16px;
                flex-wrap: wrap;
            }

            .demo-panel-inner {
                padding: var(--space-3);
            }

            .demo-results {
                grid-template-columns: 1fr;
            }

            .section {
                padding: var(--space-5) 0;
            }

            .section-title {
                font-size: 26px;
            }

            .section-desc {
                font-size: 15px;
            }

            .channels-grid,
            .teahouse-grid,
            .testimonial-grid,
            .data-bar {
                grid-template-columns: 1fr;
            }

            .group-buy-wrapper {
                padding: var(--space-4);
            }

            .form-card {
                padding: var(--space-4);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-4);
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .container,
            .container-narrow {
                padding-left: 16px;
                padding-right: 16px;
            }

            .btn-lg {
                padding: 14px 24px;
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .hero {
                min-height: 400px;
            }

            .hero-title {
                font-size: 22px;
                letter-spacing: -0.3px;
            }

            .hero-pain-point {
                font-size: 16px;
            }

            .hero-desc {
                font-size: 14px;
            }

            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }

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

            .hero-stats {
                gap: 12px;
            }

            .hero-stat-item strong {
                font-size: 18px;
            }

            .demo-filter-tags {
                gap: 6px;
            }

            .demo-filter-tag {
                font-size: 12px;
                padding: 6px 12px;
            }

            .channel-card h4 {
                font-size: 18px;
            }

            .section-title {
                font-size: 22px;
            }
        }