/* 图标加载优化 - 占位与降级方案 */
        .fa, .fas, .far, .fal, .fad, .fab {
            display: inline-block;
            font-style: normal;
            font-variant: normal;
            text-rendering: auto;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .fa-loading {
            opacity: 0.6;
            animation: fa-pulse 1.5s ease-in-out infinite;
        }

        @keyframes fa-pulse {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 0.3; }
        }

        .fa-fallback {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-weight: 600;
            font-size: 0.8em;
        }

        :root {
            --primary: #2563EB;
            --accent: #60A5FA;
            --highlight: #F97316;
            --bg-light: #FAFAFA;
            --bg-card: #FFFFFF;
            --bg-core: #EFF6FF;
            --border: #E5E7EB;
            --border-primary: rgba(37, 99, 235, 0.2);
            --text-primary: #1F2937;
            --text-secondary: #4B5563;
            --text-disabled: #9CA3AF;
            --gradient-primary: linear-gradient(135deg, #2563EB 0%, #60A5FA 100%);
            --gradient-data: linear-gradient(135deg, #2563EB 0%, #60A5FA 100%);
            --shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
            --shadow-card: 0 2px 8px rgba(0,0,0,0.05);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg-light);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 排版系统 */
        .h1, h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
        }

        .h2, h2 {
            font-size: 24px;
            font-weight: 600;
            line-height: 1.2;
            color: var(--text-primary);
        }

        .h3, h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.2;
            color: var(--text-primary);
        }

        .text-body {
            font-size: 16px;
            font-weight: 400;
            line-height: 1.6;
            color: var(--text-primary);
        }

        .text-secondary {
            font-size: 14px;
            font-weight: 400;
            line-height: 1.5;
            color: var(--text-secondary);
        }

        .text-disabled {
            font-size: 14px;
            font-weight: 400;
            line-height: 1.5;
            color: var(--text-disabled);
        }

        /* 移动端排版 */
        @media (max-width: 480px) {
            .h1, h1 {
                font-size: 24px;
            }

            .h2, h2 {
                font-size: 20px;
            }

            .h3, h3 {
                font-size: 16px;
            }

            .text-body {
                font-size: 14px;
            }

            .text-secondary {
                font-size: 12px;
            }
        }

        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 1rem 0;
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        @media (max-width: 480px) {
            .navbar {
                padding: 0.75rem 0;
            }
            
            .logo {
                font-size: 1rem;
                margin-right: 0.5rem;
            }
            
            .logo img {
                width: 32px !important;
                height: 32px !important;
            }
            
            .nav-container {
                padding: 0 0.75rem;
            }
            
            .nav-links .btn-primary {
                padding: 0.5rem 0.75rem;
                font-size: 0.75rem;
                white-space: nowrap;
            }
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--gradient-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: white;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .logo-text span {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            gap: 2.5rem;
            align-items: center;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.3s;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.875rem 1.75rem;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--gradient-primary);
            color: white;
            box-shadow: var(--shadow);
        }

        .nav-links .btn-primary {
            color: white;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(30,64,175,0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(108,99,255,0.1);
        }

        .btn-large {
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
        }

        /* Hero Section */
        .hero {
            display: flex;
            align-items: center;
            position: relative;
            padding: 3rem 0 3rem;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: 
                radial-gradient(ellipse at 20% 50%, rgba(108,99,255,0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(0,212,170,0.1) 0%, transparent 40%),
                radial-gradient(ellipse at 60% 80%, rgba(108,99,255,0.08) 0%, transparent 50%);
        }

        .hero-grid {
            position: absolute;
            inset: 0;
            background-image: 
                linear-gradient(rgba(108,99,255,0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(108,99,255,0.03) 1px, transparent 1px);
            background-size: 60px 60px;
        }

        .hero-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            min-height: 85vh;
            gap: 3rem;
        }

        .hero-content-left {
            flex: 0 0 55%;
            max-width: 55%;
        }

        .hero-content-right {
            flex: 0 0 45%;
            max-width: 45%;
        }

        @media (max-width: 1024px) {
            .hero-container {
                flex-direction: column;
                text-align: center;
                gap: 3rem;
                min-height: auto;
                padding: 4rem 2rem;
            }
            
            .hero-content-left,
            .hero-content-right {
                flex: 0 0 100%;
                max-width: 100%;
            }
            
            .hero-stats {
                justify-content: center;
            }
            
            .hero-cta {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .hero-container {
                gap: 2rem;
                padding: 2rem 1rem;
                flex-direction: column;
                min-height: auto;
            }
            
            .hero-content-left,
            .hero-content-right {
                flex: 0 0 100%;
                max-width: 100%;
                width: 100%;
            }
            
            .hero-content-right {
                order: 2;
            }
            
            .hero-content-left {
                order: 1;
                max-width: 100%;
            }
            
            .visual-container {
                padding: 1.25rem;
                width: 100%;
                box-sizing: border-box;
            }
            
            .platform-dashboard {
                grid-template-columns: 1fr;
                gap: 0.75rem;
            }
            
            .data-flow {
                flex-direction: column;
                gap: 0.75rem;
            }
            
            .flow-arrow {
                transform: rotate(90deg);
            }
            
            /* 确保内容完整显示 */
            .hero-content {
                width: 100%;
                box-sizing: border-box;
            }
        }

        @media (max-width: 480px) {
            #hero {
                padding-top: 5rem;
                padding-bottom: 4rem;
            }
            
            .hero-container {
                gap: 1.5rem;
                padding: 1rem;
                width: 100%;
                box-sizing: border-box;
                padding-top: 100px;
            }
            
            .hero-content-left,
            .hero-content-right {
                padding: 0;
                width: 100%;
                box-sizing: border-box;
            }
            
            .hero-badge {
                padding: 0.5rem 1rem;
                font-size: 0.75rem;
                display: inline-flex;
                margin-bottom: 1rem;
                margin-top: 0;
            }
            
            .hero-title {
                font-size: 1.5rem;
                line-height: 1.3;
                margin-bottom: 1rem;
            }
            
            .hero-subtitle {
                font-size: 0.9rem;
                line-height: 1.6;
                margin-bottom: 1.25rem;
            }
            
            .hero-subtitle .highlight-price {
                font-size: 1.1rem;
            }
            
            .hero-subtitle .limited-tag {
                display: block;
                margin-left: 0;
                margin-top: 0.5rem;
                width: fit-content;
            }
            
            .hero-stats {
                gap: 1rem;
                flex-wrap: wrap;
                justify-content: flex-start;
                margin-bottom: 1.25rem;
            }
            
            .hero-stat-item {
                flex: 1;
                min-width: 100px;
            }
            
            .hero-stat-item i {
                width: 32px;
                height: 32px;
                font-size: 0.875rem;
            }
            
            .hero-stat-text strong {
                font-size: 1rem;
            }
            
            .hero-stat-text span {
                font-size: 0.75rem;
            }
            
            .hero-benefits {
                margin: 1.25rem 0;
            }
            
            .benefits-row {
                flex-direction: column;
                gap: 0.75rem;
            }
            
            .benefits-row.single {
                justify-content: center;
            }
            
            .benefits-row.single .benefit-card {
                flex: 1;
                width: 100%;
            }
            
            .benefit-card {
                padding: 1rem;
            }
            
            .benefit-icon {
                font-size: 1.5rem;
            }
            
            .benefit-card h3 {
                font-size: 0.9rem;
            }
            
            .benefit-card p {
                font-size: 0.8rem;
            }
            
            .hero-cta {
                flex-direction: column;
                gap: 0.75rem;
                margin-bottom: 1.25rem;
            }
            
            .btn {
                width: 100%;
                justify-content: center;
                font-size: 0.85rem;
                padding: 0.75rem 1.25rem;
                box-sizing: border-box;
            }
            
            .hero-trust {
                gap: 0.5rem;
            }
            
            .trust-item {
                font-size: 0.8rem;
            }
            
            .trust-item.secondary {
                font-size: 0.75rem;
            }
            
            .visual-container {
                padding: 1rem;
                border-radius: 12px;
                width: 100%;
                box-sizing: border-box;
            }
            
            .visual-notice {
                font-size: 0.7rem;
                padding: 0.4rem 0.6rem;
            }
            
            .platform-status {
                position: static;
                justify-content: flex-end;
                margin-bottom: 0.75rem;
                font-size: 0.7rem;
            }
            
            .platform-dashboard {
                grid-template-columns: 1fr;
                gap: 0.75rem;
            }
            
            .dashboard-card {
                padding: 0.75rem;
            }
            
            .dashboard-card h4 {
                font-size: 0.75rem;
                margin-bottom: 0.4rem;
            }
            
            .dashboard-value {
                font-size: 1.1rem;
            }
            
            .dashboard-trend {
                font-size: 0.7rem;
            }
            
            .data-flow {
                padding: 1rem;
                margin-top: 1rem;
            }
            
            .flow-item {
                font-size: 0.75rem;
            }
            
            .flow-item.highlight {
                padding: 0.75rem 1rem;
            }
            
            .flow-icon {
                font-size: 1.25rem;
            }
            
            .flow-arrow {
                font-size: 1.25rem;
            }
            
            .scroll-down-indicator {
                bottom: 1rem;
                font-size: 0.75rem;
            }
            
            .platform-header {
                flex-direction: column;
                gap: 0.5rem;
                text-align: center;
                margin-bottom: 1rem;
            }
            
            .platform-logo {
                font-size: 0.85rem;
            }
            
            .platform-status {
                font-size: 0.7rem;
            }
            
            .dashboard-card {
                padding: 0.75rem;
                margin-bottom: 0.5rem;
            }
            
            .dashboard-card h4 {
                font-size: 0.7rem;
                margin-bottom: 0.5rem;
            }
            
            .dashboard-value {
                font-size: 0.9rem;
                word-break: break-all;
                overflow-wrap: break-word;
            }
            
            .dashboard-trend {
                font-size: 0.6rem;
            }
            
            .data-flow {
                padding: 0.75rem;
                margin-top: 0.75rem;
            }
            
            .flow-item {
                font-size: 0.7rem;
            }
            
            .flow-item i {
                font-size: 1.1rem;
            }
            
            .flow-arrow {
                font-size: 0.9rem;
            }
            
            .hero-hot-count {
            font-size: 0.7rem;
            margin-top: 1rem;
        }
        
        /* 确保所有容器使用box-sizing */
        * {
            box-sizing: border-box;
        }
        
        /* 防止内容溢出 */
        body {
            overflow-x: hidden;
        }
        
        /* 调整整体布局 */
        .hero-content-right {
            width: 100%;
            box-sizing: border-box;
        }
        
        .hero-visual {
            width: 100%;
            box-sizing: border-box;
        }
        
        /* 核心利益点卡片 */
        .hero-benefits {
            display: flex;
            gap: 1rem;
            margin: 2rem 0;
            flex-wrap: wrap;
        }
        
        .benefit-card {
            flex: 1;
            min-width: 180px;
            background: var(--bg-core);
            border: 1px solid var(--primary);
            border-radius: 8px;
            padding: 1.25rem;
            text-align: center;
            box-shadow: var(--shadow);
        }
        
        .benefit-icon {
            font-size: 2rem;
            margin-bottom: 0.75rem;
        }
        
        .benefit-card h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }
        
        .benefit-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        
        .hero-trust {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 1.5rem;
            font-size: 0.875rem;
            color: var(--text-secondary);
        }
        
        .hero-trust i {
            color: #10b981;
        }
    }

    .hero-content-left {
        flex: 1;
        max-width: 600px;
    }

    .hero-content-right {
        flex: 1;
        max-width: 550px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-visual {
        width: 100%;
    }

    .visual-container {
        background: white;
        border-radius: 20px;
        box-shadow: 0 10px 40px rgba(30, 64, 175, 0.15);
        padding: 2rem;
        border: 1px solid var(--border);
    }

    /* 核心利益点卡片 - 桌面端 */
    .hero-benefits {
        display: flex;
        gap: 1.5rem;
        margin: 2.5rem 0;
        flex-wrap: wrap;
    }

    .benefit-card {
        flex: 1;
        min-width: 200px;
        background: var(--bg-core);
        border: 1px solid var(--primary);
        border-radius: 8px;
        padding: 1.5rem;
        text-align: center;
        box-shadow: var(--shadow);
        transition: all 0.3s ease;
    }

    .benefit-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 32px rgba(30,64,175,0.15);
    }

    .benefit-icon {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }

    .benefit-card h3 {
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 0.75rem;
        color: var(--text-primary);
    }

    .benefit-card p {
        font-size: 0.9rem;
        color: var(--text-secondary);
        line-height: 1.5;
    }

    .hero-trust {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        margin-top: 2rem;
        font-size: 0.95rem;
        color: var(--text-secondary);
    }

    .hero-trust i {
        color: #10b981;
        font-size: 1.1rem;
    }

        .api-platform-visual {
            width: 100%;
        }

        .platform-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border);
        }

        .platform-note {
            text-align: center;
            margin-bottom: 1.5rem;
            padding: 0.5rem 1rem;
            background: rgba(220, 38, 38, 0.1);
            border-radius: 8px;
            border: 1px solid rgba(220, 38, 38, 0.2);
        }

        .platform-note span {
            font-size: 0.75rem;
            color: #dc2626;
            font-weight: 500;
        }

        .platform-logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .platform-logo i {
            color: var(--primary);
            font-size: 1.25rem;
        }

        .platform-status {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .status-indicator {
            width: 8px;
            height: 8px;
            border-radius: 50%;
        }

        .status-indicator.online {
            background: #10b981;
        }

        .platform-dashboard {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .dashboard-card {
            background: var(--bg-card);
            padding: 1.5rem;
            border-radius: 12px;
            text-align: center;
        }

        @media (max-width: 768px) {
            .platform-dashboard {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            
            .dashboard-card {
                padding: 1.25rem;
            }
        }

        @media (max-width: 480px) {
            .dashboard-card {
                padding: 1rem;
            }
            
            .dashboard-value {
                font-size: 1rem;
                word-break: break-all;
                font-weight: 600;
            }
            
            /* 修复数字显示 */
            .dashboard-value {
                overflow-wrap: break-word;
                hyphens: auto;
            }
            
            /* 调整卡片间距 */
            .platform-dashboard {
                gap: 0.75rem;
            }
            
            /* 调整整体容器 */
            .hero-container {
                padding: 1rem;
                gap: 1.25rem;
            }
            
            /* 调整导航栏 */
            .navbar {
                padding: 0.75rem 0;
            }
            
            /* 调整卡片容器 */
            .visual-container {
                padding: 0.75rem;
            }
        }

        .dashboard-card h4 {
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin-bottom: 0.75rem;
            font-weight: 500;
        }

        .dashboard-value {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .dashboard-trend {
            font-size: 0.75rem;
            font-weight: 600;
        }

        .dashboard-trend.up {
            color: #10b981;
        }

        /* 视觉容器 - 数据看板 */
        .visual-container {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
            position: relative;
        }

        .visual-notice {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 0.75rem;
            background: linear-gradient(135deg, rgba(30,64,175,0.05) 0%, rgba(59,130,246,0.05) 100%);
            border-radius: 8px;
            font-size: 0.75rem;
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }

        .visual-notice i {
            color: var(--primary);
        }

        .platform-status {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.75rem;
            color: var(--text-secondary);
        }

        .status-indicator {
            width: 8px;
            height: 8px;
            background: #10b981;
            border-radius: 50%;
            animation: pulse-status 2s infinite;
        }

        @keyframes pulse-status {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .data-flow {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: linear-gradient(135deg, rgba(30,64,175,0.05) 0%, rgba(59,130,246,0.05) 100%);
            padding: 1.5rem;
            border-radius: 12px;
            border: 1px solid var(--border);
            margin-top: 1.5rem;
        }

        .flow-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            text-align: center;
            font-size: 0.875rem;
            color: var(--text-primary);
        }

        .flow-item.highlight {
            background: var(--gradient-primary);
            color: white;
            padding: 1rem 1.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }

        .flow-item.highlight .flow-icon {
            font-size: 1.75rem;
        }

        .flow-icon {
            font-size: 1.5rem;
        }

        .flow-text {
            font-weight: 500;
        }

        .flow-arrow {
            font-size: 1.5rem;
            color: var(--primary);
            font-weight: 700;
        }

        /* 向下滑动引导 */
        .scroll-down-indicator {
            position: absolute;
            bottom: 1.7rem;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-secondary);
            font-size: 0.875rem;
            animation: bounce 2s infinite;
            cursor: pointer;
        }

        .scroll-down-indicator i {
            font-size: 1.25rem;
            color: var(--primary);
        }

        @keyframes bounce {
            0%, 100% { transform: translateX(-50%) translateY(0); }
            50% { transform: translateX(-50%) translateY(10px); }
        }

        /* 数字动画效果 */
        .number-animation {
            animation: numberHighlight 0.5s ease-in-out;
        }

        @keyframes numberHighlight {
            0% {
                transform: scale(1);
                color: var(--text-primary);
            }
            50% {
                transform: scale(1.05);
                color: var(--primary);
                text-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
            }
            100% {
                transform: scale(1);
                color: var(--text-primary);
            }
        }

        /* 按钮点击效果 */
        .btn, button, a[href="#"] {
            position: relative;
            overflow: hidden;
        }

        .ripple {
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.5);
            transform: scale(0);
            animation: ripple 0.6s linear;
            pointer-events: none;
            z-index: 1000;
        }

        @keyframes ripple {
            to {
                transform: scale(4);
                opacity: 0;
            }
        }

        /* 滚动渐显效果 */
        .scroll-fade {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-in {
            opacity: 1;
            transform: translateY(0);
        }

        /* 卡片hover效果 */
        .card, .benefit-card, .value-card, .case-card, .revenue-card {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .card:hover, .benefit-card:hover, .value-card:hover, .case-card:hover, .revenue-card:hover {
            box-shadow: 0 8px 32px rgba(30,64,175,0.15);
        }

        .dashboard-value {
            transition: all 0.3s ease;
        }

        .hero-stat-text strong {
            transition: all 0.3s ease;
        }

        #hotCount {
            transition: all 0.3s ease;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.5rem;
            background: linear-gradient(135deg, rgba(30,64,175,0.1) 0%, rgba(59,130,246,0.1) 100%);
            border: 1px solid var(--border);
            border-radius: 50px;
            font-size: 0.875rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            margin-top: 20px;
        }

        .hero-badge i {
            color: var(--accent);
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 1.5rem;
        }

        .hero-title .highlight {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            max-width: 700px;
            line-height: 1.8;
        }

        .hero-subtitle .highlight-price {
            color: var(--highlight);
            font-weight: 700;
            font-size: 1.35rem;
        }

        .hero-subtitle .limited-tag {
            display: inline-block;
            background: var(--highlight);
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-left: 0.5rem;
            vertical-align: middle;
        }

        .hero-stats {
            display: flex;
            gap: 2rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .hero-stat-item i {
            width: 40px;
            height: 40px;
            background: var(--bg-core);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1rem;
        }

        .hero-stat-text {
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .hero-stat-text strong {
            display: block;
            color: var(--text-primary);
            font-size: 1.1rem;
            font-weight: 600;
        }

        .hero-benefits {
            margin: 2rem 0;
        }

        .benefits-row {
            display: flex;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .benefits-row.single {
            justify-content: flex-start;
        }

        .benefits-row.single .benefit-card {
            flex: 0 0 calc(50% - 0.5rem);
        }

        .benefit-card {
            flex: 1;
            background: var(--bg-core);
            border: 1px solid var(--primary);
            border-radius: 12px;
            padding: 1.25rem;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }

        .benefit-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(30,64,175,0.15);
        }

        .benefit-icon {
            font-size: 2rem;
            margin-bottom: 0.75rem;
        }

        .benefit-card h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .benefit-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* 核心利益点卡片 - 3列布局 */
        .benefits-row.full {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
        }

        @media (max-width: 768px) {
            .benefits-row.full {
                grid-template-columns: 1fr;
            }
        }

        /* 收益数据看板 */
        .revenue-dashboard {
            margin: 2rem 0;
            padding: 1.5rem;
            background: var(--bg-card);
            border-radius: 12px;
            box-shadow: var(--shadow-card);
        }

        .revenue-dashboard-title {
            text-align: center;
            margin-bottom: 1.5rem;
            color: var(--text-primary);
            font-size: 1.25rem;
            font-weight: 600;
        }

        .revenue-dashboard .visual-container {
            max-width: 100%;
        }

        .hero-cta {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }

        .hero-trust {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            margin-top: 1.5rem;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .trust-item i {
            color: #10b981;
        }

        .trust-item.secondary {
            font-size: 0.8rem;
            color: var(--text-disabled);
        }

        .trust-item.secondary i {
            color: var(--accent);
        }

        /* Section Styles */
        section {
            padding: 4rem 0;
            position: relative;
        }

        #hero {
            padding: 1rem 0;
            min-height: calc(100vh - 60px);
            display: flex;
            align-items: center;
        }

        .hero-container {
            display: grid;
            grid-template-columns: 55% 45%;
            gap: 3rem;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 2rem 0;
            min-height: 85vh;
            padding-top: 80px;
        }

        @media (max-width: 768px) {
            .hero-container {
                grid-template-columns: 1fr;
                gap: 2rem;
                padding: 0 1.5rem;
                padding-top: 80px;
            }
        }

        .hero-content-left {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .hero-content-right {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* 调整英雄标题 */
        .hero-title {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 2rem;
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
        }

        /* 调整英雄副标题 */
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 0.75rem;
            margin-top: -20px;
            line-height: 1.6;
        }

        .hero-intro {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 1rem;
            max-width: 100%;
        }

        .hero-intro strong {
            color: var(--primary);
            font-weight: 600;
        }

        /* 新增核心卖点 */
        .hero-super-subtitle {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            margin-top: -25px;
            line-height: 1.6;
        }

        .super-highlight {
            color: #2563EB;
            font-weight: 700;
        }

        .update-tag {
            display: inline-block;
            background: #2563EB;
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-left: 0.5rem;
            vertical-align: middle;
        }

        .hero-subtitle .highlight-price {
            color: #F97316;
            font-weight: 700;
            font-size: 1.2rem;
        }

        .hero-subtitle .limited-tag {
            display: inline-block;
            background: #F97316;
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-left: 0.5rem;
            vertical-align: middle;
        }

        /* 调整核心数据栏 */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-bottom: 2.5rem;
        }

        @media (max-width: 768px) {
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.75rem;
            text-align: center;
        }

        .hero-stat-item i {
            width: 40px;
            height: 40px;
            background: var(--bg-core);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1rem;
        }

        .hero-stat-text {
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .hero-stat-text strong {
            display: block;
            color: var(--text-primary);
            font-size: 1.1rem;
            font-weight: 600;
        }

        /* 调整核心利益点卡片布局 */
        .benefits-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-template-rows: 1fr 1fr;
            gap: 1.5rem;
            width: 100%;
        }

        @media (max-width: 768px) {
            .benefits-grid {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }
        }

        /* 科技感卡片样式 */
        .benefit-card {
            border: 1px solid #BFDBFE;
            border-radius: 12px;
            padding: 1.5rem;
            text-align: center;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
            transition: all 0.3s ease-in-out;
            position: relative;
            overflow: hidden;
            animation: breathe 3s ease-in-out infinite;
        }

        /* 卡片背景渐变 */
        .benefit-card:nth-child(1) {
            background: linear-gradient(135deg, #E6F0FF 0%, #D1E7FF 100%);
        }

        .benefit-card:nth-child(2) {
            background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
        }

        .benefit-card:nth-child(3) {
            background: linear-gradient(135deg, #F0F7FF 0%, #E0F2FE 100%);
        }

        .benefit-card:nth-child(4) {
            background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
        }

        /* 科技感网格底纹 */
        .benefit-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                linear-gradient(rgba(37, 99, 235, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(37, 99, 235, 0.05) 1px, transparent 1px);
            background-size: 20px 20px;
            opacity: 0.1;
            z-index: 0;
        }

        /* 粒子流动动效 */
        .benefit-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.05), transparent);
            transform: translateX(-100%);
            transition: transform 1.5s ease;
            z-index: 0;
        }

        .benefit-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.12);
            border-color: #2563EB;
            box-shadow: 0 0 15px rgba(37, 99, 235, 0.2);
        }

        .benefit-card:hover::after {
            transform: translateX(100%);
        }

        .benefit-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            transition: all 0.3s ease-in-out;
            position: relative;
            z-index: 1;
            color: #2563EB;
        }

        .benefit-card:hover .benefit-icon {
            transform: rotate(15deg) scale(1.1);
            text-shadow: 0 0 10px rgba(37, 99, 235, 0.3);
        }

        .benefit-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: #1E40AF;
            position: relative;
            z-index: 1;
        }

        .benefit-card p {
            font-size: 0.9rem;
            color: #374151;
            line-height: 1.6;
            position: relative;
            z-index: 1;
        }

        /* 呼吸动效 */
        @keyframes breathe {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(0.998);
            }
        }

        /* 入场动效 */
        .benefit-card {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.6s ease-out forwards, breathe 3s ease-in-out infinite;
        }

        .benefit-card:nth-child(1) {
            animation-delay: 0.1s;
        }

        .benefit-card:nth-child(2) {
            animation-delay: 0.2s;
        }

        .benefit-card:nth-child(3) {
            animation-delay: 0.3s;
        }

        .benefit-card:nth-child(4) {
            animation-delay: 0.4s;
        }

        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* 调整英雄CTA */
        .hero-cta {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-bottom: 1rem;
        }

        .hero-cta-primary {
            display: flex;
            align-items: center;
        }

        .hero-cta-secondary {
            display: flex;
            align-items: center;
            margin-top: 8px;
        }

        /* 信任背书 */
        .hero-trust {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 12px;
            margin-top: -15px;
            align-items: flex-start;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .trust-item.secondary {
            opacity: 0.8;
        }

        .trust-item i {
            color: var(--primary);
            font-size: 0.875rem;
        }

        /* 确保垂直对齐 */
        .hero-content-left {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .hero-cta {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            align-items: center;
        }

        @media (max-width: 768px) {
            .hero-cta {
                flex-direction: column;
                align-items: center;
            }
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 4rem;
        }

        /* 间距规范 */
        .module-spacing {
            margin-bottom: 4rem;
        }

        .submodule-spacing {
            margin-bottom: 2rem;
        }

        .card-spacing {
            margin-bottom: 1rem;
        }

        .element-spacing {
            margin-bottom: 0.5rem;
        }

        /* 卡片设计规范 */
        .card-core {
            background: var(--bg-core);
            border: 1px solid var(--primary);
            border-radius: 8px;
            box-shadow: var(--shadow);
            padding: 1.5rem;
        }

        .card-info {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 8px;
            box-shadow: var(--shadow-card);
            padding: 1.5rem;
        }

        .card-data {
            background: var(--gradient-data);
            color: white;
            border-radius: 8px;
            padding: 1.5rem;
        }

        .section-label {
            display: inline-block;
            padding: 0.375rem 1rem;
            background: rgba(108,99,255,0.1);
            border: 1px solid var(--border);
            border-radius: 50px;
            font-size: 0.875rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .section-subtitle {
            font-size: 1.125rem;
            color: var(--text-secondary);
        }

        /* Market Section */
        .market-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-bottom: 3rem;
        }

        .market-card {
            border-radius: 16px;
            padding: 2rem;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: var(--shadow);
        }

        .market-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(30,64,175,0.15);
        }

        .market-card.card-data {
            background: var(--gradient-data);
            color: white;
        }

        .market-card.card-data .market-card-number {
            color: white;
        }

        .market-card.card-data .market-card-label {
            color: rgba(255,255,255,0.9);
        }

        .market-card-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 0.5rem;
        }

        .market-card-label {
            font-size: 1rem;
            color: var(--text-secondary);
        }

        .pain-points {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 2.5rem;
            margin-bottom: 2rem;
        }

        .pain-points-title {
            font-size: 1.25rem;
            color: var(--text-primary);
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .pain-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 500px;
            margin: 0 auto;
        }

        .pain-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.5rem;
            background: rgba(255,107,107,0.05);
            border: 1px solid rgba(255,107,107,0.2);
            border-radius: 10px;
        }

        .pain-item i {
            color: var(--danger);
            font-size: 1.25rem;
        }

        .market-conclusion {
            background: var(--gradient-primary);
            border-radius: 16px;
            padding: 2rem;
            text-align: center;
        }

        .market-conclusion p {
            color: white;
            font-size: 1.125rem;
            line-height: 1.8;
        }

        .market-quote {
            margin-top: 2rem;
            padding: 1.5rem 2rem;
            border-left: 4px solid var(--accent);
            background: rgba(0,212,170,0.05);
            font-style: italic;
            font-size: 1.1rem;
            color: var(--text-primary);
        }

        /* Trust Section */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .trust-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 2.5rem 2rem;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: var(--shadow);
        }

        .trust-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: 0 8px 32px rgba(30,64,175,0.15);
        }

        .trust-icon {
            width: 64px;
            height: 64px;
            background: rgba(108,99,255,0.1);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 1.75rem;
        }

        .trust-card h3 {
            color: var(--text-primary);
            font-size: 1.25rem;
            margin-bottom: 0.75rem;
        }

        .platform-showcase {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-top: 3rem;
            flex-wrap: wrap;
        }

        .platform-link {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem 2rem;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all 0.3s;
        }

        .platform-link:hover {
            border-color: var(--primary);
            color: var(--text-primary);
        }

        /* Value Section */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .value-card {
            border-radius: 16px;
            padding: 2rem;
            transition: all 0.3s ease;
            box-shadow: var(--shadow);
        }

        .value-card.card-core {
            background: var(--bg-core);
            border: 1px solid var(--primary);
        }

        .value-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(30,64,175,0.15);
        }

        .value-icon {
            width: 56px;
            height: 56px;
            background: var(--gradient-primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: white;
            margin-bottom: 1.25rem;
        }

        .value-card h3 {
            color: var(--text-primary);
            font-size: 1.2rem;
            margin-bottom: 0.75rem;
        }

        .value-card p {
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* Revenue Section */
        .revenue-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-bottom: 3rem;
        }

        .revenue-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 2.5rem 2rem;
            position: relative;
            transition: all 0.3s ease;
        }

        .revenue-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        .revenue-card.featured {
            border-color: var(--primary);
            background: linear-gradient(135deg, rgba(108,99,255,0.1) 0%, rgba(0,212,170,0.05) 100%);
        }

        .revenue-tag {
            position: absolute;
            top: -12px;
            left: 2rem;
            padding: 0.375rem 1rem;
            background: var(--gradient-primary);
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
            color: white;
        }

        .revenue-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 0.5rem;
        }

        .revenue-card h3 {
            color: var(--text-primary);
            font-size: 1.35rem;
            margin-bottom: 1rem;
        }

        .revenue-list {
            list-style: none;
        }

        .revenue-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            margin-bottom: 0.75rem;
            font-size: 0.95rem;
        }

        .revenue-list li i {
            color: var(--accent);
            margin-top: 0.25rem;
        }

        .revenue-calc {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 2rem;
            box-shadow: var(--shadow);
        }

        .revenue-calc-title {
            color: var(--text-primary);
            font-size: 1.25rem;
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .calc-box {
            background: linear-gradient(135deg, rgba(30,64,175,0.05) 0%, rgba(59,130,246,0.05) 100%);
            border: 1px solid rgba(30,64,175,0.1);
            border-radius: 12px;
            padding: 1.5rem;
            font-family: 'Courier New', monospace;
            font-size: 0.95rem;
            line-height: 2;
        }

        .calc-box .highlight {
            color: var(--primary);
            font-weight: 600;
        }

        .calc-detail {
            margin-top: 2rem;
        }

        .calc-detail-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .calc-detail-content {
            background: white;
            border: 2px solid rgba(30,64,175,0.1);
            border-radius: 12px;
            padding: 1.5rem;
        }

        .calc-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border);
        }

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

        .calc-item.highlight {
            background: linear-gradient(135deg, rgba(30,64,175,0.05) 0%, rgba(59,130,246,0.05) 100%);
            margin: 0 -1.5rem;
            padding: 1rem 1.5rem;
            border-left: 4px solid var(--primary);
            border-right: 4px solid var(--primary);
        }

        .calc-item.result {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: white;
            margin: 0 -1.5rem;
            padding: 1.5rem;
            border-radius: 0 0 12px 12px;
        }

        .calc-item.result .calc-label {
            color: rgba(255,255,255,0.9);
            font-weight: 600;
        }

        .calc-item.result .calc-value {
            color: white;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .calc-item.result .calc-value .highlight {
            color: #fbbf24;
            font-weight: 700;
        }

        .calc-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .calc-value {
            font-size: 1rem;
            color: var(--text-primary);
            font-weight: 600;
            font-family: 'Courier New', monospace;
        }

        .calc-note {
            margin-top: 1rem;
            font-size: 0.85rem;
            color: var(--text-secondary);
            text-align: center;
            font-style: italic;
        }

        /* 收益计算器样式 */
        .calc-inputs {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .calc-input-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .calc-input-group label {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-primary);
        }

        .calc-input-group input {
            padding: 0.75rem 1rem;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-primary);
            background: var(--bg-card);
            transition: all 0.3s ease;
        }

        .calc-input-group input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        .calc-results {
            background: var(--bg-core);
            border: 1px solid var(--primary);
            border-radius: 12px;
            padding: 1.5rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
        }

        .calc-result-item {
            text-align: center;
        }

        .calc-result-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
        }

        .calc-result-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
        }

        /* 收益示例卡片 */
        .calc-examples {
            margin-top: 3rem;
        }

        .calc-examples-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .calc-examples-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
        }

        .calc-example-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .calc-example-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        .calc-example-header {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            margin-bottom: 1rem;
        }

        .calc-example-icon {
            font-size: 1.5rem;
        }

        .calc-example-header h5 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .calc-example-value {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .calc-example-value span {
            color: var(--primary);
        }

        .calc-example-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .calc-cta {
            margin-top: 2rem;
            text-align: center;
        }
        
        /* 价格营销标签 */
        .price-urgent-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.3rem 0.6rem;
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
            border-radius: 6px;
            font-size: 0.7rem;
            font-weight: 600;
            color: white;
            animation: urgentPulse 2s ease-in-out infinite;
            margin-left: 0.5rem;
            margin-right: 0.5rem;
            white-space: nowrap;
            line-height: 1;
            position: relative;
            z-index: 1;
        }
        
        .price-urgent-tag i {
            font-size: 0.6rem;
            line-height: 1;
        }
        
        /* 价格容器，确保标签不遮挡文字 */
        .price-container {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: nowrap;
        }
        
        @keyframes urgentPulse {
            0%, 100% {
                transform: scale(1);
                box-shadow: 0 2px 8px rgba(238, 90, 36, 0.3);
            }
            50% {
                transform: scale(1.05);
                box-shadow: 0 4px 12px rgba(238, 90, 36, 0.5);
            }
        }
        
        /* 库存显示 */
        .stock-display {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            background: rgba(238, 90, 36, 0.1);
            border: 1px solid rgba(238, 90, 36, 0.3);
            border-radius: 8px;
            font-size: 0.8rem;
            color: #ee5a24;
            margin-top: 0.75rem;
        }

        .stock-display-top {
            margin-top: 0;
            margin-bottom: 0.75rem;
            background: rgba(238, 90, 36, 0.15);
            border: 2px solid rgba(238, 90, 36, 0.5);
            font-weight: 600;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% {
                box-shadow: 0 0 0 0 rgba(238, 90, 36, 0.4);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(238, 90, 36, 0);
            }
        }

        .stock-display i {
            color: #ee5a24;
        }
        
        .stock-count {
            font-weight: 700;
            color: #ee5a24;
        }
        
        /* 价格容器 */
        .price-container {
            display: inline-flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        
        .price-highlight {
            font-size: 1.5rem;
            font-weight: 700;
            color: #ee5a24;
        }

        /* 模型广场板块 */
        .models-showcase {
            padding: 6rem 0;
            background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-card) 100%);
            position: relative;
            overflow: hidden;
        }
        
        .models-showcase::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(ellipse at 20% 30%, rgba(108,99,255,0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 70%, rgba(0,212,170,0.08) 0%, transparent 50%);
            pointer-events: none;
        }
        
        .models-showcase .container {
            position: relative;
            z-index: 1;
        }
        
        .models-showcase-header {
            text-align: center;
            margin-bottom: 4rem;
        }
        
        .models-showcase-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }
        
        .models-showcase-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .models-showcase-stats {
            display: flex;
            justify-content: center;
            gap: 3rem;
            margin-bottom: 3rem;
            flex-wrap: wrap;
        }
        
        .models-showcase-stat {
            text-align: center;
        }
        
        .models-showcase-stat-value {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }
        
        .models-showcase-stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 0.5rem;
        }
        
        .models-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        
        .model-card {
            background: white;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.5rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            min-height: 320px;
        }
        
        .model-card-description {
            flex: 1;
            min-height: 60px;
        }
        
        .model-card-cta {
            margin-top: auto;
            text-align: center;
            padding-top: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .model-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            border-color: var(--primary);
        }
        
        .model-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-primary);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .model-card:hover::before {
            opacity: 1;
        }
        
        .model-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1rem;
        }
        
        .model-card-provider {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
        }
        
        .model-card-provider i {
            color: var(--primary);
            font-size: 1.2rem;
        }
        
        .model-card-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        
        .model-card-description {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        

        
        .model-card-pricing {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border);
        }
        
        .model-card-price {
            display: flex;
            align-items: baseline;
            gap: 0.25rem;
        }
        
        .model-card-price-value {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
        }
        
        .model-card-price-unit {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        
        .model-card-price-type {
            font-size: 0.75rem;
            color: var(--text-secondary);
            padding: 0.25rem 0.5rem;
            background: rgba(0,212,170,0.1);
            border: 1px solid rgba(0,212,170,0.2);
            border-radius: 4px;
        }
        
        .model-card-price-info {
            font-size: 0.85rem;
            color: var(--text-primary);
            margin: 0;
            padding: 0;
            line-height: 1.5;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .model-card-price-info i {
            color: var(--primary);
            font-size: 0.8rem;
        }
        
        .model-card-price-detail {
            font-size: 0.75rem;
            color: var(--text-secondary);
            margin: 0.25rem 0 0 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .model-card-price-detail i {
            color: var(--text-secondary);
            font-size: 0.7rem;
        }
        
        .model-card-cta {
            margin-top: 1rem;
            text-align: center;
        }
        
        .model-card-btn {
            width: 100%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1rem;
            font-size: 0.9rem;
            white-space: nowrap;
        }
        
        .models-showcase-cta {
            text-align: center;
            margin-top: 3rem;
        }

        /* Models Section */
        .models-logos {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 3rem;
        }

        .model-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.25rem;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all 0.3s;
        }

        .model-logo:hover {
            border-color: var(--primary);
            color: var(--text-primary);
        }

        .model-logo i {
            color: var(--primary);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .feature-tag {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem;
            background: rgba(108,99,255,0.1);
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .feature-tag i {
            color: var(--primary);
        }

        .billing-methods {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .billing-tag {
            padding: 0.5rem 1rem;
            background: rgba(0,212,170,0.1);
            border: 1px solid rgba(0,212,170,0.3);
            border-radius: 50px;
            font-size: 0.875rem;
            color: var(--accent);
        }

        /* Process Section */
        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-bottom: 2rem;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }

        .process-step {
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
            z-index: 1;
            flex: 1;
        }

        .step-number {
            width: 80px;
            height: 80px;
            background: var(--bg-card);
            border: 2px solid var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .step-content {
            text-align: center;
        }

        .step-content h4 {
            color: var(--text-primary);
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .step-content p {
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .process-note {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.5rem;
            text-align: center;
        }

        .process-note p {
            color: var(--text-secondary);
        }

        .process-note strong {
            color: var(--text-primary);
        }

        /* Promotion Section */
        .promo-tabs {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .promo-tab {
            padding: 0.875rem 2rem;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all 0.3s;
        }

        .promo-tab.active {
            background: var(--gradient-primary);
            border-color: transparent;
            color: white;
        }

        .promo-content {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 2.5rem;
        }

        .promo-panel {
            display: none;
        }

        .promo-panel.active {
            display: block;
        }

        .promo-panel h3 {
            color: var(--text-primary);
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .promo-panel p {
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }

        .promo-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }

        .promo-feature {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            padding: 1rem;
            background: rgba(108,99,255,0.05);
            border-radius: 8px;
        }

        .promo-feature i {
            color: var(--accent);
            margin-top: 0.25rem;
        }

        /* Comparison Section */
        .comparison-table {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
        }

        .comparison-row {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            border-bottom: 1px solid var(--border);
        }

        .comparison-row:last-child {
            border-bottom: none;
        }

        .comparison-row.header {
            background: rgba(108,99,255,0.1);
        }

        .comparison-cell {
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
        }

        .comparison-row.header .comparison-cell {
            font-weight: 600;
            color: var(--text-primary);
        }

        .comparison-cell:first-child {
            color: var(--text-secondary);
        }

        .comparison-cell.others {
            color: var(--text-secondary);
            justify-content: center;
        }

        .comparison-cell.yunjuan {
            background: rgba(0,212,170,0.05);
            color: var(--accent);
            justify-content: center;
            font-weight: 500;
        }

        .comparison-cell.yunjuan i {
            margin-right: 0.5rem;
        }

        /* Audience Section */
        .audience-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }

        .audience-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 2.5rem;
        }

        .audience-card.good {
            border-color: rgba(0,212,170,0.3);
        }

        .audience-card.bad {
            border-color: rgba(255,107,107,0.3);
        }

        .audience-card h3 {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 1.35rem;
            margin-bottom: 1.5rem;
        }

        .audience-card.good h3 {
            color: var(--accent);
        }

        .audience-card.bad h3 {
            color: var(--danger);
        }

        .audience-list {
            list-style: none;
        }

        .audience-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            margin-bottom: 1rem;
            font-size: 1rem;
        }

        .audience-list li i {
            margin-top: 0.25rem;
        }

        .audience-card.good li i {
            color: var(--accent);
        }

        .audience-card.bad li i {
            color: var(--danger);
        }

        .audience-quote {
            grid-column: 1 / -1;
            background: var(--gradient-primary);
            border-radius: 16px;
            padding: 2rem;
            text-align: center;
        }

        .audience-quote p {
            color: white;
            font-size: 1.2rem;
            font-style: italic;
        }

        /* FAQ Section */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 1rem;
            overflow: hidden;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            transition: background 0.3s;
        }

        .faq-question:hover {
            background: rgba(108,99,255,0.05);
        }

        .faq-question h4 {
            color: var(--text-primary);
            font-size: 1.05rem;
            font-weight: 500;
        }

        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
        }

        .faq-answer-content {
            padding: 0 1.5rem 1.5rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* Final CTA Section */
        .final-cta {
            background: 
                radial-gradient(ellipse at 50% 0%, rgba(108,99,255,0.2) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 100%, rgba(0,212,170,0.1) 0%, transparent 50%);
            padding: 6rem 0;
        }

        .final-cta-content {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .final-cta h2 {
            font-size: 2.5rem;
            color: var(--text-primary);
            margin-bottom: 2rem;
        }

        .cta-progression {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-bottom: 3rem;
        }

        .cta-step {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1.25rem;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            text-align: left;
        }

        .cta-step-icon {
            width: 48px;
            height: 48px;
            background: var(--gradient-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.25rem;
            flex-shrink: 0;
        }

        .cta-step p {
            color: var(--text-secondary);
            font-size: 1.05rem;
        }

        .cta-step strong {
            color: var(--text-primary);
        }

        .cta-box {
            background: var(--bg-card);
            border: 2px solid var(--primary);
            border-radius: 20px;
            padding: 3rem;
        }

        .wechat-qr {
            width: 180px;
            height: 180px;
            background: white;
            border-radius: 12px;
            margin: 0 auto 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #333;
            font-size: 0.875rem;
        }

        .wechat-id {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
            font-size: 1.25rem;
            color: var(--text-primary);
        }

        .wechat-id i {
            color: #07C160;
        }

        .cta-note {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        /* Footer */
        footer {
            background: var(--bg-card);
            padding: 3rem 0;
            border-top: 1px solid var(--border);
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .footer-brand span {
            color: var(--text-primary);
            font-weight: 600;
        }

        .footer-links {
            display: flex;
            gap: 2rem;
        }

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: var(--text-primary);
        }

        .footer-copyright {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .footer-contact {
            color: var(--text-secondary);
            font-size: 0.85rem;
            text-align: center;
            margin-top: 0.5rem;
        }

        .footer-contact p {
            margin: 0.25rem 0;
        }

        .footer-icp {
            color: var(--text-secondary);
            font-size: 0.8rem;
            text-align: center;
            margin-top: 0.5rem;
        }

        .footer-icp a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-icp a:hover {
            color: var(--primary);
        }

        /* 社会证明实时动态通知 */
        .social-proof-notification {
            position: fixed;
            bottom: 30px;
            left: 30px;
            z-index: 9997;
            display: none;
            animation: slideInLeft 0.5s ease;
            cursor: pointer;
        }

        .notification-content {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            background: white;
            padding: 0.75rem 1rem;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            min-width: 280px;
            transition: all 0.3s ease;
        }

        .social-proof-notification:hover .notification-content {
            transform: translateY(-3px);
            box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
        }

        .notification-content i {
            font-size: 1.2rem;
            color: #10b981;
        }

        .notification-text {
            font-size: 0.9rem;
            color: var(--text-primary);
        }

        .notification-dot {
            position: absolute;
            top: 50%;
            left: -8px;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            background: #10b981;
            border-radius: 50%;
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3);
        }

        .social-proof-notification.hide {
            animation: slideOutLeft 0.5s ease forwards;
        }

        @keyframes slideInLeft {
            from {
                opacity: 0;
                transform: translateX(-100%);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes slideOutLeft {
            from {
                opacity: 1;
                transform: translateX(0);
            }
            to {
                opacity: 0;
                transform: translateX(-100%);
            }
        }

        /* 退出意图弹窗 */
        .exit-intent-popup {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 10001;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .exit-popup-content {
            background: white;
            border-radius: 20px;
            max-width: 450px;
            width: 100%;
            overflow: hidden;
            position: relative;
            animation: popIn 0.4s ease;
        }

        .exit-popup-close {
            position: absolute;
            top: 15px;
            right: 15px;
            background: rgba(0, 0, 0, 0.2);
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: white;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }

        .exit-popup-close:hover {
            background: rgba(0, 0, 0, 0.3);
            transform: scale(1.1);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }

        .exit-popup-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            padding: 25px 20px;
            text-align: center;
            color: white;
        }

        .exit-popup-header h3 {
            margin: 0;
            font-size: 1.3rem;
        }

        .exit-popup-body {
            padding: 25px 20px;
            text-align: center;
        }

        .exit-popup-text {
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }

        .exit-popup-body img {
            width: 150px;
            height: 150px;
            border-radius: 12px;
            margin: 1rem 0;
        }

        .exit-popup-body .btn {
            width: 100%;
            justify-content: center;
            margin-top: 1.5rem;
            padding: 1rem 2rem;
            font-size: 1.1rem;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
        }

        .exit-popup-body .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
        }

        .exit-popup-leave {
            margin-top: 1.25rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            cursor: pointer;
            transition: color 0.3s;
            padding: 0.5rem;
        }

        .exit-popup-leave:hover {
            color: var(--primary);
        }

        /* 返回顶部按钮 */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 25px;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--gradient-primary);
            color: white;
            border: none;
            cursor: pointer;
            display: none;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4);
            transition: all 0.3s ease;
            z-index: 9996;
        }

        .back-to-top:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 25px rgba(79, 70, 229, 0.5);
        }

        .back-to-top.show {
            display: flex;
        }

        /* 悬浮按钮间距优化 */
        .floating-service {
            position: fixed;
            bottom: 150px;
            right: 25px;
            z-index: 9998;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 8px;
        }

        /* 微信咨询按钮动画 */
        .floating-btn {
            animation: floatPulse 2s ease-in-out infinite;
        }

        @keyframes floatPulse {
            0% {
                transform: translateY(0) scale(1);
                box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4);
            }
            50% {
                transform: translateY(-5px) scale(1.05);
                box-shadow: 0 6px 25px rgba(79, 70, 229, 0.6);
            }
            100% {
                transform: translateY(0) scale(1);
                box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4);
            }
        }

        /* 移动端悬浮按钮优化 */
        @media (max-width: 480px) {
            .floating-service {
                bottom: 130px;
                right: 15px;
                align-items: flex-end;
                gap: 8px;
            }
            
            .floating-btn {
                width: 50px;
                height: 50px;
                font-size: 1.25rem;
            }
            

            
            .back-to-top {
                bottom: 20px;
                right: 15px;
                width: 50px;
                height: 50px;
                font-size: 1.25rem;
            }
        }
        
        /* 平板端悬浮按钮优化 */
        @media (max-width: 768px) and (min-width: 481px) {
            .floating-service {
                bottom: 135px;
                right: 20px;
                align-items: flex-end;
                gap: 8px;
            }
            
            .floating-btn {
                width: 60px;
                height: 60px;
            }
            
            .back-to-top {
                bottom: 25px;
                right: 20px;
                width: 60px;
                height: 60px;
            }
        }

        /* Mobile Menu */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
        }

        /* Mobile Menu */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 80%;
            max-width: 300px;
            height: 100vh;
            background: white;
            z-index: 2000;
            box-shadow: -5px 0 20px rgba(0,0,0,0.1);
            transition: right 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .mobile-menu.active {
            right: 0;
        }

        .mobile-menu-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem;
            border-bottom: 1px solid var(--border);
        }

        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .mobile-menu-close {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-secondary);
            cursor: pointer;
        }

        .mobile-menu-links {
            flex: 1;
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .mobile-menu-links a {
            padding: 1rem;
            color: var(--text-primary);
            text-decoration: none;
            border-radius: 8px;
            transition: background 0.3s ease;
        }

        .mobile-menu-links a:hover {
            background: var(--bg-card);
        }

        .mobile-menu-btn-primary {
            background: var(--gradient-primary) !important;
            color: white !important;
            font-weight: 600;
            text-align: center;
            margin-top: 1rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .market-cards,
            .trust-grid,
            .value-grid,
            .revenue-cards {
                grid-template-columns: repeat(2, 1fr);
            }

            .features-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .hero-title {
                font-size: 2.75rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

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

            .hero-title {
                font-size: 2rem;
            }

            .hero-stats {
                gap: 1.5rem;
            }

            .hero-cta {
                flex-direction: column;
            }

            .btn-large {
                width: 100%;
                justify-content: center;
            }

            .market-cards,
            .trust-grid,
            .value-grid,
            .revenue-cards,
            .audience-grid {
                grid-template-columns: 1fr;
            }

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

            .process-steps {
                flex-direction: column;
                gap: 2rem;
            }

            .process-steps::before {
                display: none;
            }

            .comparison-row {
                grid-template-columns: 1fr;
            }

            .comparison-row.header {
                display: none;
            }

            .comparison-cell {
                justify-content: flex-start !important;
            }

            .comparison-cell::before {
                content: attr(data-label);
                font-weight: 600;
                margin-right: 0.5rem;
                color: var(--text-primary);
            }

            .promo-tabs {
                flex-direction: column;
            }

            .promo-features {
                grid-template-columns: 1fr;
            }

            .section-title {
                font-size: 1.75rem;
            }

            .footer-content {
                flex-direction: column;
                text-align: center;
            }

            .cta-box {
                padding: 2rem 1.5rem;
            }
        }

        /* Animations */
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        .animate-float {
            animation: float 3s ease-in-out infinite;
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #7b73ff;
        }

        /* ========== 营销模块样式 ========== */

        /* 倒计时横幅 */
        .countdown-banner {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            padding: 12px 20px;
            position: relative;
            z-index: 1001;
            transition: height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
        }

        .countdown-banner.closed {
            height: 0;
            padding: 0;
            overflow: hidden;
            opacity: 0;
        }

        .countdown-close {
            position: absolute;
            top: 50%;
            right: 20px;
            transform: translateY(-50%);
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: white;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.3s;
        }

        .countdown-close:hover {
            background: rgba(255, 255, 255, 0.3);
        }

        /* Hero区域热度计数器 */
        .hero-hot-count {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 2rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .hero-hot-count i {
            color: #f59e0b;
            animation: bounce 1s ease-in-out infinite;
        }

        .hero-hot-count #hotCount {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.1rem;
            display: inline-block;
            min-width: 40px;
            text-align: center;
        }

        @keyframes bounce {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-3px);
            }
        }

        /* Hero区域间距优化 */
        .hero-content {
            max-width: 800px;
            padding: 4rem 0;
        }

        .hero-badge {
            margin-bottom: 3rem;
        }

        .hero-title {
            line-height: 1.2;
            margin-bottom: 3rem;
            font-size: 3rem;
        }

        .hero-subtitle {
            margin-bottom: 3.5rem;
            line-height: 1.8;
            font-size: 1.25rem;
            max-width: 700px;
        }

        .hero-stats {
            margin-bottom: 3.5rem;
            gap: 4rem;
        }

        .hero-cta {
            gap: 2.5rem;
            margin-bottom: 3.5rem;
        }

        .hero-hot-count {
            margin-top: 3.5rem;
        }

        /* 下滑引导指示器 */
        .scroll-down-indicator {
            position: absolute;
            bottom: 1.7rem;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-secondary);
            z-index: 100;
            animation: fadeIn 1s ease-out;
        }

        .scroll-text {
            font-size: 0.875rem;
            margin-bottom: 0.5rem;
            opacity: 0.8;
        }

        .scroll-arrow {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.25rem;
        }

        .scroll-arrow i {
            font-size: 1rem;
            animation: bounce 2s infinite;
        }

        .scroll-arrow i:nth-child(2) {
            animation-delay: 0.3s;
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0);
                opacity: 0.6;
            }
            40% {
                transform: translateY(8px);
                opacity: 1;
            }
            60% {
                transform: translateY(4px);
                opacity: 0.8;
            }
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateX(-50%) translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateX(-50%) translateY(0);
            }
        }

        .scroll-down-indicator.hidden {
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.5s ease;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .scroll-down-indicator {
                bottom: 1.5rem;
            }
            
            .scroll-text {
                font-size: 0.75rem;
            }
            
            .scroll-arrow i {
                font-size: 0.875rem;
            }
        }

        @media (max-width: 480px) {
            .scroll-down-indicator {
                bottom: 1rem;
            }
            
            .scroll-text {
                font-size: 0.7rem;
            }
            
            .scroll-arrow i {
                font-size: 0.75rem;
            }
            
            .price-urgent-tag {
                font-size: 0.6rem;
                padding: 0.25rem 0.5rem;
            }
            
            .price-highlight {
                font-size: 1.2rem;
            }
            
            .stock-display {
                font-size: 0.7rem;
                padding: 0.4rem 0.8rem;
            }
            
            .models-showcase-title {
                font-size: 1.8rem;
            }
            
            .models-showcase-subtitle {
                font-size: 0.9rem;
            }
            
            .models-showcase-stats {
                gap: 1.5rem;
            }
            
            .models-showcase-stat-value {
                font-size: 1.8rem;
            }
            
            .models-showcase-stat-label {
                font-size: 0.75rem;
            }
            
            .models-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            
            .model-card {
                padding: 1rem;
                min-height: 260px;
            }
            
            .model-card-name {
                font-size: 1.1rem;
            }
            
            .model-card-description {
                font-size: 0.8rem;
            }
            
            .model-card-price-value {
                font-size: 1rem;
            }
            
            .model-card-price-info {
                font-size: 0.8rem;
                line-height: 1.4;
            }
            
            .model-card-price-detail {
                font-size: 0.7rem;
            }
            
            .model-card-btn {
                padding: 0.65rem 0.85rem;
                font-size: 0.85rem;
            }
        }
        
        /* 平板端模型广场优化 */
        @media (max-width: 768px) and (min-width: 481px) {
            .models-showcase-title {
                font-size: 2rem;
            }
            
            .models-showcase-subtitle {
                font-size: 1rem;
            }
            
            .models-showcase-stats {
                gap: 2rem;
            }
            
            .models-showcase-stat-value {
                font-size: 2rem;
            }
            
            .models-showcase-stat-label {
                font-size: 0.85rem;
            }
            
            .models-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
            
            .model-card {
                padding: 1.25rem;
                min-height: 270px;
            }
            
            .model-card-name {
                font-size: 1.2rem;
            }
            
            .model-card-description {
                font-size: 0.85rem;
            }
            
            .model-card-price-value {
                font-size: 1.1rem;
            }
            
            .model-card-price-info {
                font-size: 0.85rem;
                line-height: 1.4;
            }
            
            .model-card-price-detail {
                font-size: 0.75rem;
            }
            
            .model-card-btn {
                padding: 0.7rem 0.9rem;
                font-size: 0.9rem;
            }
        }

        .countdown-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .countdown-text {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: white;
        }

        .countdown-text i {
            font-size: 1.2rem;
            animation: pulse 1s ease-in-out infinite;
        }

        .countdown-title {
            font-size: 1rem;
            font-weight: 600;
            white-space: nowrap;
        }

        .countdown-timer {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .time-block {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 4px 10px;
            min-width: 50px;
        }

        .time-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            line-height: 1.2;
        }

        .time-label {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.9);
            text-transform: uppercase;
        }

        .time-separator {
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            margin: 0 2px;
        }

        .countdown-expired {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: white;
            font-size: 1rem;
            font-weight: 500;
        }

        .countdown-cta {
            background: white;
            color: var(--primary);
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .countdown-cta:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }

        .countdown-hint {
            color: white;
            font-size: 0.75rem;
            margin-left: 10px;
            opacity: 0.9;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .floating-btn {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--gradient-primary);
            color: white;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4);
            transition: all 0.3s ease;
        }

        .floating-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 25px rgba(79, 70, 229, 0.5);
        }

        .floating-qr-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 9999;
            display: flex;
            align-items: center;
            justify-content: center;
            animation: fadeIn 0.3s ease;
            backdrop-filter: blur(5px);
        }

        .floating-qr {
            position: relative;
            background: white;
            padding: 30px;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
            text-align: center;
            min-width: 300px;
            max-width: 400px;
            width: 90%;
            animation: fadeInUp 0.4s ease;
            border: 1px solid rgba(79, 70, 229, 0.1);
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px) scale(0.95);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        .floating-qr-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 10px 0;
            line-height: 1.3;
        }

        .floating-qr-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0 0 20px 0;
        }

        .floating-qr-content {
            margin-bottom: 25px;
        }

        .floating-qr-content img {
            width: 200px;
            height: 200px;
            border-radius: 12px;
            margin-bottom: 15px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        }

        .floating-qr-text {
            font-size: 1rem;
            color: var(--text-primary);
            margin: 0 0 10px 0;
            font-weight: 500;
        }

        .floating-qr-benefit {
            font-size: 0.85rem;
            color: var(--primary);
            margin: 0;
            font-weight: 600;
        }

        .floating-qr-cta {
            background: var(--gradient-primary);
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
        }

        .floating-qr-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
        }

        .floating-qr-close {
            position: absolute;
            top: 15px;
            right: 15px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.05);
            color: var(--text-secondary);
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .floating-qr-close:hover {
            background: rgba(0, 0, 0, 0.1);
            color: var(--text-primary);
            transform: scale(1.1);
        }

        /* 移动端适配 */
        @media (max-width: 480px) {
            .floating-qr {
                padding: 25px;
                min-width: 280px;
            }

            .floating-qr-title {
                font-size: 1.3rem;
            }

            .floating-qr-content img {
                width: 180px;
                height: 180px;
            }
        }

        /* 扫码引导样式 */
        .floating-qr-content.highlight {
            animation: highlightQR 0.3s ease-in-out;
        }

        @keyframes highlightQR {
            0% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
                box-shadow: 0 0 20px rgba(79, 70, 229, 0.5);
            }
            100% {
                transform: scale(1);
                box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
            }
        }

        .scan-guide {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 10000;
            display: none;
        }

        .scan-guide-content {
            background: rgba(0, 0, 0, 0.85);
            color: white;
            padding: 15px 20px;
            border-radius: 12px;
            text-align: center;
            animation: fadeIn 0.3s ease;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
        }

        .scan-guide-content i {
            font-size: 1.5rem;
            margin-bottom: 10px;
            animation: bounce 1s infinite;
        }

        .scan-guide-content p {
            margin: 0;
            font-size: 0.9rem;
            font-weight: 500;
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0);
            }
            40% {
                transform: translateY(-10px);
            }
            60% {
                transform: translateY(-5px);
            }
        }

        .floating-label {
            position: relative;
            background: white;
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 18px 18px 18px 4px;
            font-size: 0.75rem;
            font-weight: 500;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            white-space: nowrap;
            margin-right: 0;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .floating-label::after {
            content: '';
            position: absolute;
            bottom: -4px;
            right: 10px;
            width: 0;
            height: 0;
            border-left: 6px solid transparent;
            border-right: 6px solid white;
            border-top: 6px solid white;
            border-bottom: 6px solid transparent;
            transform: rotate(45deg);
        }

        .floating-label:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
        }

        /* 优惠弹窗 */
        .promo-popup-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 10000;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .promo-popup {
            background: white;
            border-radius: 20px;
            max-width: 450px;
            width: 100%;
            overflow: hidden;
            position: relative;
            animation: popIn 0.4s ease;
        }

        .promo-popup-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            padding: 25px 20px;
            text-align: center;
            color: white;
        }

        .promo-popup-header h3 {
            margin: 0 0 8px 0;
            font-size: 1.5rem;
        }

        .promo-popup-header p {
            margin: 0;
            opacity: 0.9;
            font-size: 1rem;
        }

        .promo-popup-body {
            padding: 25px 20px;
            text-align: center;
        }

        .promo-popup-body img {
            width: 180px;
            height: 180px;
            border-radius: 12px;
            margin-bottom: 15px;
        }

        .promo-popup-body .btn {
            width: 100%;
            justify-content: center;
            margin-top: 10px;
        }

        .promo-popup-close {
            position: absolute;
            top: 15px;
            right: 15px;
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.3s;
        }

        .promo-popup-close:hover {
            background: rgba(255, 255, 255, 0.3);
        }

        /* 案例轮播 */
        .cases-section {
            padding: 80px 0;
            background: var(--bg-light);
        }

        .cases-carousel {
            position: relative;
            overflow: hidden;
            margin-top: 40px;
        }

        .cases-track {
            display: flex;
            transition: transform 0.5s ease;
        }

        .case-card {
            min-width: 100%;
            padding: 0 15px;
        }

        .case-card-inner {
            background: white;
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            gap: 25px;
            transition: all 0.3s ease;
        }

        .case-card:hover .case-card-inner {
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(30,64,175,0.15);
        }

        .case-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            flex-shrink: 0;
            border: 3px solid var(--primary);
        }

        .case-info {
            flex: 1;
        }

        .case-name {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 5px;
        }

        .case-role {
            font-size: 0.9rem;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .case-revenue {
            display: inline-block;
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: white;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 12px;
        }

        .case-quote {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            font-style: italic;
        }

        .case-quote::before {
            content: '"';
            font-size: 1.5rem;
            color: var(--primary);
            margin-right: 5px;
        }

        .case-quote::after {
            content: '"';
            font-size: 1.5rem;
            color: var(--primary);
            margin-left: 5px;
        }

        .carousel-controls {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 25px;
        }

        .carousel-btn {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: white;
            border: 2px solid var(--border);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-secondary);
            transition: all 0.3s;
        }

        .carousel-btn:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: white;
        }

        .carousel-dots {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 20px;
        }

        .carousel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--border);
            cursor: pointer;
            transition: all 0.3s;
        }

        .carousel-dot.active {
            background: var(--primary);
            width: 30px;
            border-radius: 5px;
        }

        .cases-cta {
            text-align: center;
            margin-top: 40px;
            padding: 30px;
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
            border-radius: 16px;
            border: 2px dashed rgba(79, 70, 229, 0.2);
        }

        .cases-cta .btn {
            font-size: 1.1rem;
            padding: 1rem 2rem;
        }

        .cases-cta-hint {
            margin-top: 15px;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* 特色卖点动画 */
        .features-animated {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            margin-top: 40px;
        }

        .feature-animated-card {
            background: white;
            border-radius: 16px;
            padding: 30px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .feature-animated-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .feature-animated-card:hover::before {
            transform: scaleX(1);
        }

        .feature-animated-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(79, 70, 229, 0.15);
        }

        .feature-icon-animated {
            width: 80px;
            height: 80px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            animation: float 3s ease-in-out infinite;
            position: relative;
            z-index: 1;
            opacity: 1;
            visibility: visible;
        }
        
        .feature-icon-animated svg {
            width: 48px;
            height: 48px;
            display: block;
        }

        .feature-animated-card:nth-child(2) .feature-icon-animated {
            animation-delay: 0.5s;
        }

        .feature-animated-card:nth-child(3) .feature-icon-animated {
            animation-delay: 1s;
        }

        .feature-animated-card:nth-child(4) .feature-icon-animated {
            animation-delay: 1.5s;
        }

        .feature-animated-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .feature-animated-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .feature-detail-popup {
            position: absolute;
            bottom: 100%;
            left: 50%;
            transform: translateX(-50%);
            background: var(--text-primary);
            color: white;
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 0.85rem;
            line-height: 1.5;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 10;
        }

        .feature-detail-popup::after {
            content: '';
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%);
            border: 8px solid transparent;
            border-top-color: var(--text-primary);
        }

        .feature-animated-card:hover .feature-detail-popup {
            opacity: 1;
            visibility: visible;
            bottom: calc(100% + 10px);
        }

        /* 动画关键帧 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes popIn {
            from {
                opacity: 0;
                transform: scale(0.8);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        /* 响应式适配 */
        @media (max-width: 768px) and (min-width: 481px) {
            .countdown-content {
                gap: 1rem;
                padding: 0 10px;
            }

            .countdown-title {
                font-size: 0.85rem;
            }

            .time-block {
                min-width: 40px;
                padding: 3px 6px;
            }

            .time-value {
                font-size: 1.2rem;
            }

            .countdown-cta {
                padding: 6px 15px;
                font-size: 0.8rem;
            }

            .floating-service {
                bottom: 135px;
                right: 20px;
                align-items: flex-end;
                gap: 8px;
            }

            .floating-btn {
                width: 60px;
                height: 60px;
                font-size: 1.2rem;
            }
            
            .back-to-top {
                width: 60px;
                height: 60px;
            }

            .features-animated {
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
            }

            .feature-animated-card {
                padding: 20px 15px;
            }

            .feature-icon-animated {
                width: 55px;
                height: 55px;
                font-size: 1.4rem;
            }

            .case-card-inner {
                flex-direction: column;
                text-align: center;
            }

            .promo-popup-body img {
                width: 150px;
                height: 150px;
            }

            .calc-item {
                flex-direction: column;
                gap: 0.5rem;
                text-align: center;
            }

            .calc-item.highlight,
            .calc-item.result {
                margin: 0;
                padding: 1rem;
            }

            .calc-item.result {
                border-radius: 8px;
            }
        }

        @media (max-width: 480px) {
            .countdown-banner {
                padding: 8px 12px;
            }

            .countdown-text {
                width: 100%;
                justify-content: center;
                font-size: 0.75rem;
            }

            .countdown-timer {
                width: 100%;
                justify-content: center;
                gap: 0.5rem;
            }

            .time-block {
                font-size: 0.75rem;
                min-width: 40px;
            }

            .time-value {
                font-size: 0.875rem;
            }

            .time-separator {
                font-size: 0.75rem;
            }

            .countdown-cta {
                width: 100%;
                text-align: center;
                font-size: 0.75rem;
                padding: 0.5rem 1rem;
            }

            .countdown-close {
                width: 24px;
                height: 24px;
                font-size: 0.75rem;
            }

            .features-animated {
                grid-template-columns: 1fr;
            }
        }