* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }

        :root {
            --primary-color: #2760FF;
            --primary-light: #5B8AFF;
            --primary-dark: #1A4ACC;
            --secondary-color: #764ba2;
            --text-dark: #1a202c;
            --text-light: #718096;
            --bg-gray: #f7fafc;
            --border-color: #e2e8f0;
            --success-color: #48bb78;
            --warning-color: #ed8936;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            overflow-x: hidden;
            background: #fff;
        }

        /* 加载动画 */
        .page-loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            transition: opacity 0.5s ease, visibility 0.5s ease;
        }

        .page-loader.hidden {
            opacity: 0;
            visibility: hidden;
        }

        .loader-content {
            text-align: center;
            color: #fff;
        }

        .loader-logo {
            margin-bottom: 20px;
            animation: pulse 1.5s ease-in-out infinite;
        }

        .loader-logo img {
            max-width: 200px;
            height: auto;
        }

        .loader-spinner {
            width: 50px;
            height: 50px;
            border: 4px solid rgba(255,255,255,0.3);
            border-top-color: #fff;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.05); opacity: 0.8; }
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* 加载动画 */
        .page-loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            transition: opacity 0.5s ease, visibility 0.5s ease;
        }

        .page-loader.hidden {
            opacity: 0;
            visibility: hidden;
        }

        .loader-content {
            text-align: center;
            color: #fff;
        }

        .loader-logo {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 20px;
            animation: pulse 1.5s ease-in-out infinite;
        }

        .loader-spinner {
            width: 50px;
            height: 50px;
            border: 4px solid rgba(255,255,255,0.3);
            border-top-color: #fff;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.05); opacity: 0.8; }
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* 鼠标跟随光标效果 */
        .cursor-dot {
            width: 8px;
            height: 8px;
            background: var(--primary-color);
            border-radius: 50%;
            position: fixed;
            pointer-events: none;
            z-index: 9998;
            transition: transform 0.15s ease;
            mix-blend-mode: difference;
        }

        .cursor-outline {
            width: 40px;
            height: 40px;
            border: 2px solid var(--primary-color);
            border-radius: 50%;
            position: fixed;
            pointer-events: none;
            z-index: 9998;
            transition: all 0.15s ease;
            mix-blend-mode: difference;
        }

        /* 视差滚动背景 */
        .parallax-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1) 0%, transparent 50%);
            animation: float 20s ease-in-out infinite;
            pointer-events: none;
        }

        /* 进度条 */
        .progress-bar {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            z-index: 9999;
            transition: width 0.1s ease;
        }

        /* 客服二维码弹出层 */
        .qrcode-popup {
            position: absolute;
            bottom: 70px;
            right: 0;
            width: 200px;
            background: white;
            border-radius: 12px;
            padding: 15px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.2);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            z-index: 999;
        }

        .chat-widget:hover .qrcode-popup {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .qrcode-popup img {
            width: 100%;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .qrcode-popup p {
            text-align: center;
            font-size: 13px;
            color: #333;
            margin: 0;
            font-weight: 600;
        }

        /* 在线客服浮窗 */
        .chat-widget {
            position: fixed;
            bottom: 100px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 28px;
            cursor: pointer;
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
            transition: all 0.3s ease;
            z-index: 998;
            animation: bounce 2s ease-in-out infinite;
        }

        .chat-widget:hover {
            transform: scale(1.1);
            box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
        }

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

        .chat-badge {
            position: absolute;
            top: -5px;
            right: -5px;
            width: 20px;
            height: 20px;
            background: #ff4757;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: bold;
            animation: pulse 1.5s ease-in-out infinite;
        }

        /* 特色标签 */
        .feature-badge {
            position: absolute;
            top: -10px;
            right: -10px;
            background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
            color: #fff;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
            animation: wiggle 3s ease-in-out infinite;
        }

        @keyframes wiggle {
            0%, 100% { transform: rotate(-3deg); }
            50% { transform: rotate(3deg); }
        }

        /* 统计数字增强 */
        .stat-item {
            position: relative;
            overflow: visible;
        }

        .stat-item::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
            transform: translate(-50%, -50%) scale(0);
            border-radius: 20px;
            transition: transform 0.6s ease;
        }

        .stat-item:hover::after {
            transform: translate(-50%, -50%) scale(1.5);
        }

        /* 时间线样式增强 */
        .timeline-enhanced {
            position: relative;
            padding: 40px 0;
        }

        .timeline-step {
            display: flex;
            gap: 30px;
            margin-bottom: 40px;
            opacity: 0;
            transform: translateX(-50px);
            transition: all 0.6s ease;
        }

        .timeline-step.visible {
            opacity: 1;
            transform: translateX(0);
        }

        .timeline-step:nth-child(even) {
            flex-direction: row-reverse;
            transform: translateX(50px);
        }

        .timeline-step:nth-child(even).visible {
            transform: translateX(0);
        }

        /* 成功案例卡片增强 */
        .testimonial-card {
            position: relative;
        }

        .testimonial-rating {
            display: flex;
            gap: 5px;
            margin-bottom: 15px;
        }

        .star {
            color: #ffd700;
            font-size: 18px;
        }

        /* 悬浮提示 */
        .tooltip {
            position: relative;
            cursor: help;
        }

        .tooltip::after {
            content: attr(data-tooltip);
            position: absolute;
            bottom: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(-10px);
            background: rgba(0,0,0,0.9);
            color: #fff;
            padding: 8px 12px;
            border-radius: 6px;
            font-size: 13px;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: all 0.3s ease;
        }

        .tooltip:hover::after {
            opacity: 1;
            transform: translateX(-50%) translateY(-5px);
        }

        /* 粒子背景效果 */
        .particles-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            pointer-events: none;
        }

        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: rgba(255,255,255,0.5);
            border-radius: 50%;
            animation: float-particle 15s infinite;
        }

        @keyframes float-particle {
            0% {
                transform: translateY(0) translateX(0);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            100% {
                transform: translateY(-100vh) translateX(100px);
                opacity: 0;
            }
        }

        /* 滚动提示 */
        .scroll-hint {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            color: #fff;
            animation: bounce-hint 2s ease-in-out infinite;
            cursor: pointer;
        }

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

        .scroll-hint-text {
            font-size: 14px;
            opacity: 0.9;
        }

        .scroll-hint-arrow {
            font-size: 24px;
        }

        /* 数据对比动画 */
        .comparison-card {
            background: #fff;
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
            margin-bottom: 30px;
        }

        .comparison-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .comparison-label {
            font-size: 16px;
            color: var(--text-dark);
            font-weight: 600;
        }

        .comparison-values {
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .comparison-before {
            text-decoration: line-through;
            color: #ff4757;
            font-size: 18px;
        }

        .comparison-after {
            color: #2ed573;
            font-size: 24px;
            font-weight: 700;
        }

        .comparison-arrow {
            color: #2ed573;
            font-size: 20px;
        }

        /* 功能演示轮播 */
        .demo-carousel {
            position: relative;
            width: 100%;
            height: 400px;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0,0,0,0.2);
        }

        .demo-slide {
            position: absolute;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 0.5s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #fff;
            font-size: 48px;
        }

        .demo-slide.active {
            opacity: 1;
        }

        .demo-controls {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
            z-index: 10;
        }

        .demo-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255,255,255,0.5);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .demo-dot.active {
            background: #fff;
            width: 30px;
            border-radius: 6px;
        }

        /* FAQ手风琴 */
        .faq-section {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: 12px;
            margin-bottom: 15px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.06);
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }

        .faq-question {
            padding: 20px 25px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--text-dark);
            user-select: none;
        }

        .faq-icon {
            font-size: 20px;
            transition: transform 0.3s ease;
            color: var(--primary-color);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 25px;
            color: var(--text-light);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 25px 20px;
        }

        /* 价格对比表 */
        .pricing-table {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 50px;
        }

        .pricing-column {
            background: #fff;
            border-radius: 20px;
            padding: 40px 30px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
            transition: all 0.4s ease;
            position: relative;
        }

        .pricing-column.featured {
            transform: scale(1.05);
            box-shadow: 0 15px 50px rgba(102, 126, 234, 0.3);
            border: 3px solid var(--primary-color);
        }

        .pricing-column:hover {
            transform: translateY(-10px);
        }

        .pricing-badge {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: #fff;
            padding: 5px 20px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 700;
        }

        .pricing-name {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 15px;
            text-align: center;
        }

        .pricing-price {
            text-align: center;
            margin-bottom: 30px;
        }

        .pricing-amount {
            font-size: 48px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .pricing-period {
            font-size: 16px;
            color: var(--text-light);
        }

        .pricing-features {
            list-style: none;
            padding: 0;
            margin-bottom: 30px;
        }

        .pricing-features li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .pricing-features li::before {
            content: "✓";
            color: #2ed573;
            font-weight: bold;
            font-size: 18px;
        }

        .pricing-btn {
            width: 100%;
            padding: 15px;
            border: none;
            border-radius: 50px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .pricing-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
        }

        /* 团队成员卡片 */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }

        .team-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
            transition: all 0.4s ease;
        }

        .team-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 50px rgba(0,0,0,0.15);
        }

        .team-avatar {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea, #764ba2);
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            color: #fff;
            box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
        }

        .team-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .team-role {
            color: var(--text-light);
            font-size: 14px;
            margin-bottom: 15px;
        }

        .team-bio {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* 时间轴样式 */
        .timeline-container {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline-line {
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
            transform: translateX(-50%);
        }

        .timeline-event {
            position: relative;
            margin-bottom: 50px;
            display: flex;
            align-items: center;
        }

        .timeline-event:nth-child(odd) {
            flex-direction: row-reverse;
        }

        .timeline-content {
            width: 45%;
            background: #fff;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
        }

        .timeline-dot {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary-color);
            border: 4px solid #fff;
            box-shadow: 0 0 0 4px var(--primary-color);
            z-index: 10;
        }

        .timeline-date {
            font-size: 14px;
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 10px;
        }

        .timeline-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .timeline-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* 数字计数器动画增强 */
        .counter-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 80px 20px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .counter-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .counter-item {
            text-align: center;
        }

        .counter-number {
            font-size: 56px;
            font-weight: 800;
            margin-bottom: 10px;
            display: block;
        }

        .counter-label {
            font-size: 18px;
            opacity: 0.9;
        }

        /* 3D卡片翻转效果 */
        .flip-card {
            perspective: 1000px;
            height: 300px;
        }

        .flip-card-inner {
            position: relative;
            width: 100%;
            height: 100%;
            transition: transform 0.6s;
            transform-style: preserve-3d;
        }

        .flip-card:hover .flip-card-inner {
            transform: rotateY(180deg);
        }

        .flip-card-front,
        .flip-card-back {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 30px;
        }

        .flip-card-front {
            background: #fff;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
        }

        .flip-card-back {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #fff;
            transform: rotateY(180deg);
        }

        /* 视频弹窗 */
        .video-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.95);
            z-index: 10000;
            align-items: center;
            justify-content: center;
        }

        .video-modal.active {
            display: flex !important;
        }

        .video-modal-content {
            position: relative;
            width: 90%;
            max-width: 900px;
            aspect-ratio: 16/9;
            background: #000;
            border-radius: 12px;
            overflow: hidden;
        }

        .video-close {
            position: absolute;
            top: -40px;
            right: 0;
            color: #fff;
            font-size: 32px;
            cursor: pointer;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
        }

        .video-close:hover {
            transform: rotate(90deg);
        }

        /* 滚动触发数字动画 */
        .animated-number {
            display: inline-block;
        }

        /* 图片画廊 */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }

        .gallery-item {
            position: relative;
            aspect-ratio: 1;
            border-radius: 12px;
            overflow: hidden;
            cursor: pointer;
            box-shadow: 0 8px 30px rgba(0,0,0,0.1);
        }

        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .gallery-item:hover img {
            transform: scale(1.1);
        }

        .gallery-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.9), rgba(118, 75, 162, 0.9));
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
            color: #fff;
            font-size: 48px;
        }

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

        /* 通知横幅 */
        .notification-banner {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translateX(-50%) translateY(-350%);
            background: linear-gradient(135deg, #2ed573, #26d0ce);
            color: #fff;
            padding: 15px 30px;
            border-radius: 50px;
            box-shadow: 0 8px 25px rgba(46, 213, 115, 0.4);
            z-index: 1001;
            transition: transform 0.5s ease;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .notification-banner.show {
            transform: translateX(-50%) translateY(-250%);
        }

        .notification-icon {
            font-size: 24px;
        }

        .notification-text {
            font-size: 15px;
            font-weight: 600;
        }

        .notification-close {
            cursor: pointer;
            font-size: 20px;
            opacity: 0.8;
            transition: opacity 0.3s ease;
            padding: 5px 10px;
            margin: -5px -10px -5px 0;
        }

        .notification-close:hover {
            opacity: 1;
            transform: scale(1.2);
        }

        /* 打字机效果 */
        .typewriter {
            overflow: hidden;
            border-right: 3px solid;
            white-space: nowrap;
            animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
        }

        @keyframes typing {
            from { width: 0; }
            to { width: 100%; }
        }

        @keyframes blink-caret {
            from, to { border-color: transparent; }
            50% { border-color: currentColor; }
        }

        /* 成就徽章 */
        .achievement-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .achievement-badge {
            text-align: center;
            padding: 30px 20px;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
            transition: all 0.4s ease;
            position: relative;
        }

        .achievement-badge:hover {
            transform: translateY(-10px) rotate(5deg);
            box-shadow: 0 15px 50px rgba(0,0,0,0.15);
        }

        .achievement-icon {
            font-size: 48px;
            margin-bottom: 15px;
            display: block;
        }

        .achievement-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 5px;
        }

        .achievement-desc {
            font-size: 13px;
            color: var(--text-light);
        }

        /* 进度环形图 */
        .progress-circle {
            width: 120px;
            height: 120px;
            position: relative;
            margin: 0 auto;
        }

        .progress-circle svg {
            transform: rotate(-90deg);
        }

        .progress-circle-bg {
            fill: none;
            stroke: #e0e0e0;
            stroke-width: 8;
        }

        .progress-circle-fill {
            fill: none;
            stroke: url(#gradient);
            stroke-width: 8;
            stroke-linecap: round;
            transition: stroke-dashoffset 1s ease;
        }

        .progress-circle-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-color);
        }

        /* 品牌合作伙伴滚动 */
        .partners-scroll {
            overflow: hidden;
            padding: 40px 0;
            background: #fff;
        }

        .partners-track {
            display: flex;
            gap: 60px;
            animation: scroll-partners 30s linear infinite;
        }

        .partner-logo {
            height: 60px;
            opacity: 0.6;
            transition: opacity 0.3s ease;
            flex-shrink: 0;
        }

        .partner-logo:hover {
            opacity: 1;
        }

        @keyframes scroll-partners {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* 悬浮卡片效果 */
        .floating-card {
            animation: float-card 3s ease-in-out infinite;
        }

        @keyframes float-card {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
        }

        /* 渐变文字动画 */
        .gradient-text {
            background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
            background-size: 200% auto;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: gradient-shift 3s ease infinite;
        }

        @keyframes gradient-shift {
            0%, 100% { background-position: 0% center; }
            50% { background-position: 100% center; }
        }

        /* 社交分享按钮 */
        .share-buttons {
            position: fixed;
            left: 30px;
            top: 50%;
            transform: translateY(-50%);
            display: flex;
            flex-direction: column;
            gap: 15px;
            z-index: 997;
        }

        .share-btn {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }

        .share-btn:hover {
            transform: scale(1.15);
        }

        .share-btn.wechat { background: #07c160; }
        .share-btn.weibo { background: #e6162d; }
        .share-btn.qq { background: #12b7f5; }

        /* 顶部导航 - 增强版 */
        .top-nav {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0,0,0,0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .top-nav.scrolled {
            box-shadow: 0 4px 30px rgba(0,0,0,0.12);
        }

        .nav-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .nav-left {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
            transition: transform 0.3s ease;
        }

        .logo img {
            height: 40px;
            width: auto;
        }

        .logo:hover {
            transform: scale(1.05);
        }

        .nav-menu {
            display: flex;
            gap: 35px;
            list-style: none;
        }

        .nav-menu a {
            color: var(--text-dark);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
            padding: 5px 0;
        }

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

        .nav-menu a:hover::after,
        .nav-menu a.active::after {
            width: 100%;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--primary-color);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--primary-color);
            font-size: 16px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 25px;
            background: linear-gradient(135deg, rgba(39, 96, 255, 0.1), rgba(118, 75, 162, 0.1));
            transition: all 0.3s ease;
        }

        .nav-right:hover {
            background: linear-gradient(135deg, rgba(39, 96, 255, 0.15), rgba(118, 75, 162, 0.15));
            transform: translateY(-2px);
        }

        /* 通知栏 - 增强版 */
        .notice-bar {
            background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
            color: #fff;
            padding: 14px 20px;
            text-align: center;
            font-size: 14px;
            position: relative;
            overflow: hidden;
        }

        .notice-bar::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            animation: shimmer 3s infinite;
        }

        @keyframes shimmer {
            to {
                left: 100%;
            }
        }

        /* 轮播横幅 - 增强版 */
        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 600px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1) 0%, transparent 50%);
            animation: float 20s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
        }

        .hero-content {
            max-width: 1200px;
            width: 100%;
            padding: 80px 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-text {
            animation: fadeInLeft 1s ease-out;
        }

        @keyframes fadeInLeft {
            from {
                opacity: 0;
                transform: translateX(-50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .hero-text h1 {
            font-size: 56px;
            margin-bottom: 25px;
            font-weight: 800;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .hero-text p {
            font-size: 22px;
            margin-bottom: 45px;
            opacity: 0.95;
            line-height: 1.6;
        }

        .download-btn {
            background: #fff;
            color: var(--primary-color);
            padding: 18px 45px;
            border: none;
            border-radius: 50px;
            font-size: 17px;
            font-weight: 700;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .download-btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(39, 96, 255, 0.1);
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }

        .download-btn:hover::before {
            width: 300px;
            height: 300px;
        }

        .download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.25);
        }

        .hero-video {
            position: relative;
            background: rgba(255,255,255,0.15);
            border-radius: 20px;
            overflow: hidden;
            aspect-ratio: 16/9;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            animation: fadeInRight 1s ease-out;
            backdrop-filter: blur(10px);
        }

        @keyframes fadeInRight {
            from {
                opacity: 0;
                transform: translateX(50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .video-placeholder {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0,0,0,0.2);
        }

        .play-icon {
            width: 90px;
            height: 90px;
            background: rgba(255,255,255,0.95);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 36px;
            color: var(--primary-color);
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .play-icon:hover {
            transform: scale(1.1);
            box-shadow: 0 15px 40px rgba(0,0,0,0.3);
        }

        /* 数据统计 - 增强版 */
        .stats-section {
            background: #fff;
            padding: 100px 20px;
            position: relative;
        }

        .stats-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }

        .stat-item {
            text-align: center;
            padding: 50px 30px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 20px;
            color: #fff;
            box-shadow: 0 15px 40px rgba(102, 126, 234, 0.3);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .stat-item::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            transform: rotate(45deg);
            transition: all 0.6s ease;
        }

        .stat-item:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 20px 50px rgba(102, 126, 234, 0.4);
        }

        .stat-item:hover::before {
            top: -30%;
            left: -30%;
        }

        .stat-number {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .stat-label {
            font-size: 17px;
            opacity: 0.95;
            position: relative;
            z-index: 1;
        }

        /* 区块通用样式 */
        .section {
            padding: 100px 20px;
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 70px;
        }

        .section-title {
            font-size: 42px;
            margin-bottom: 20px;
            color: var(--text-dark);
            font-weight: 800;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 19px;
            color: var(--text-light);
            line-height: 1.8;
        }

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

        /* 产品介绍 - 增强版 */
        .product-intro {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
        }

        .intro-text h3 {
            font-size: 26px;
            margin-bottom: 15px;
            color: var(--primary-color);
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .intro-text h3::before {
            content: '▸';
            color: var(--secondary-color);
        }

        .intro-text p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-light);
            margin-bottom: 25px;
            padding-left: 20px;
        }

        .intro-image {
            background: #fff;
            padding: 50px;
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.1);
            transition: all 0.4s ease;
        }

        .intro-image:hover {
            transform: translateY(-10px);
            box-shadow: 0 30px 80px rgba(0,0,0,0.15);
        }

        /* 功能优点 - 增强版 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 35px;
        }
        
        /* 桌面端：8个卡片，第一行2个居中，后面每行3个 */
        @media (min-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(6, 1fr);
            }
            
            /* 第一行两个卡片居中（占据中间2列） */
            .features-grid > .feature-card:nth-child(1) {
                grid-column: 2 / 4;
            }
            
            .features-grid > .feature-card:nth-child(2) {
                grid-column: 4 / 6;
            }
            
            /* 第二行三个卡片（占据2列） */
            .features-grid > .feature-card:nth-child(3) {
                grid-column: 1 / 3;
            }
            
            .features-grid > .feature-card:nth-child(4) {
                grid-column: 3 / 5;
            }
            
            .features-grid > .feature-card:nth-child(5) {
                grid-column: 5 / 7;
            }
            
            /* 第三行三个卡片（占据2列） */
            .features-grid > .feature-card:nth-child(6) {
                grid-column: 1 / 3;
            }
            
            .features-grid > .feature-card:nth-child(7) {
                grid-column: 3 / 5;
            }
            
            .features-grid > .feature-card:nth-child(8) {
                grid-column: 5 / 7;
            }
        }

        .feature-card {
            background: #fff;
            padding: 45px 35px;
            border-radius: 20px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
            transition: all 0.4s ease;
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }

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

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 50px rgba(0,0,0,0.15);
            border-color: var(--primary-color);
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            font-size: 32px;
            box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
            transition: all 0.3s ease;
        }

        .feature-card:hover .feature-icon {
            transform: rotateY(360deg);
        }

        .feature-title {
            font-size: 22px;
            margin-bottom: 12px;
            color: var(--text-dark);
            font-weight: 700;
        }

        .feature-tags {
            display: flex;
            gap: 10px;
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .tag {
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            color: var(--primary-color);
            font-weight: 600;
        }

        .feature-desc {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-light);
        }

        /* 使用教学 */
        .tutorial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .tutorial-card {
            background: #fff;
            padding: 40px 30px;
            border-radius: 20px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
            transition: all 0.4s ease;
            border: 2px solid transparent;
            position: relative;
        }

        .tutorial-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 50px rgba(0,0,0,0.15);
            border-color: var(--primary-color);
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 20px;
            box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
        }

        .tutorial-card h3 {
            font-size: 22px;
            margin-bottom: 20px;
            color: var(--text-dark);
            font-weight: 700;
        }

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

        .tutorial-list li {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-light);
            margin-bottom: 12px;
            padding-left: 25px;
            position: relative;
        }

        .tutorial-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-weight: bold;
            font-size: 18px;
        }

        /* 客户评价 - 增强版 */
        .testimonials {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }

        .testimonial-card {
            background: #fff;
            padding: 50px;
            border-radius: 24px;
            margin-bottom: 35px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.08);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 20px;
            right: 30px;
            font-size: 120px;
            color: rgba(102, 126, 234, 0.05);
            font-family: Georgia, serif;
        }

        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 60px rgba(0,0,0,0.12);
        }

        .testimonial-header {
            display: flex;
            gap: 25px;
            margin-bottom: 25px;
            align-items: center;
        }

        .testimonial-avatar {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 28px;
            font-weight: bold;
            box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
        }

        .testimonial-info h4 {
            font-size: 20px;
            margin-bottom: 6px;
            font-weight: 700;
        }

        .testimonial-info p {
            font-size: 14px;
            color: var(--text-light);
        }

        .testimonial-text {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-dark);
            margin-bottom: 25px;
            position: relative;
            z-index: 1;
        }

        .testimonial-results {
            display: flex;
            gap: 40px;
            padding-top: 25px;
            border-top: 2px solid var(--border-color);
            flex-wrap: wrap;
        }

        .result-item {
            text-align: center;
            flex: 1;
            min-width: 120px;
        }

        .result-value {
            font-size: 32px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
        }

        .result-label {
            font-size: 14px;
            color: var(--text-light);
        }

        /* 页脚 - 增强版 */
        footer {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            color: #fff;
            padding: 80px 20px 40px;
            position: relative;
        }

        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 60px;
            margin-bottom: 50px;
        }

        .footer-section h4 {
            font-size: 20px;
            margin-bottom: 25px;
            font-weight: 700;
        }

        .footer-section p,
        .footer-section a {
            font-size: 15px;
            line-height: 2.2;
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            display: block;
            transition: all 0.3s ease;
        }

        .footer-section a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 14px;
            color: rgba(255,255,255,0.6);
            line-height: 2;
        }

        /* 滚动到顶部按钮 */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: #fff;
            border: none;
            border-radius: 50%;
            font-size: 24px;
            cursor: pointer;
            display: none;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 20px rgba(39, 96, 255, 0.4);
            transition: all 0.3s ease;
            z-index: 999;
        }

        .scroll-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(39, 96, 255, 0.5);
        }

        .scroll-top.show {
            display: flex;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .share-buttons {
                display: none;
            }

            .cursor-dot,
            .cursor-outline {
                display: none;
            }

            .logo img {
                height: 32px;
            }

            .nav-menu {
                display: none;
            }

            .hero-content {
                grid-template-columns: 1fr;
                gap: 50px;
                padding: 50px 20px;
            }

            .hero-text h1 {
                font-size: 36px;
            }

            .hero-text p {
                font-size: 18px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .stat-item {
                padding: 35px 20px;
            }

            .stat-number {
                font-size: 36px;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

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

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

            .comparison-values {
                flex-direction: column;
                gap: 10px;
                align-items: flex-end;
            }

            .comparison-arrow {
                transform: rotate(90deg);
            }

            .pricing-table {
                grid-template-columns: 1fr;
            }

            .pricing-column.featured {
                transform: scale(1);
            }

            .timeline-line {
                left: 20px;
            }

            .timeline-event {
                flex-direction: row !important;
            }

            .timeline-content {
                width: calc(100% - 60px);
                margin-left: 60px;
            }

            .timeline-dot {
                left: 20px;
            }

            .scroll-hint {
                display: none;
            }

            .testimonial-results {
                flex-direction: column;
                gap: 20px;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .section-title {
                font-size: 32px;
            }

            .section {
                padding: 60px 20px;
            }
        }

        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }

            .hero-text h1 {
                font-size: 32px;
            }

            .stat-number {
                font-size: 32px;
            }

            .section-title {
                font-size: 28px;
            }
        }