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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .navbar {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 40px;
        }

        .logo {
            color: white;
            font-size: 28px;
            font-weight: bold;
            padding: 20px 0;
            letter-spacing: 2px;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 5px;
        }

        .nav-menu li a {
            color: white;
            text-decoration: none;
            padding: 25px 20px;
            display: block;
            font-size: 16px;
            transition: all 0.3s;
        }

        .nav-menu li a:hover {
            background: rgba(255,255,255,0.15);
        }

        /* 侧边栏客服 */
        .sidebar-contact {
            position: fixed;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .contact-btn {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: white;
            font-size: 11px;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            cursor: pointer;
            position: relative;
        }

        .contact-btn:hover {
            transform: scale(1.15);
            box-shadow: 0 6px 25px rgba(0,0,0,0.3);
        }

        .contact-btn::after {
            content: attr(data-tooltip);
            position: absolute;
            right: 70px;
            background: rgba(0,0,0,0.8);
            color: white;
            padding: 8px 15px;
            border-radius: 5px;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: all 0.3s;
            font-size: 14px;
        }

        .contact-btn:hover::after {
            opacity: 1;
            right: 75px;
        }

        .contact-btn.qq {
            background: linear-gradient(135deg, #12c2e9, #c471ed, #f64f59);
        }

        .contact-btn.telegram {
            background: linear-gradient(135deg, #0088cc, #229ED9);
        }

        .contact-icon {
            font-size: 24px;
            margin-bottom: 2px;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 180px 40px 120px;
            text-align: center;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            top: -250px;
            right: -100px;
        }

        .hero::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
            bottom: -200px;
            left: -100px;
        }

        .hero-content {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .hero h1 {
            font-size: 56px;
            margin-bottom: 30px;
            font-weight: 700;
            line-height: 1.2;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }

        .hero p {
            font-size: 20px;
            margin-bottom: 40px;
            opacity: 0.95;
            line-height: 1.8;
        }

        .hero-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-top: 40px;
        }

        .btn {
            padding: 18px 45px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 18px;
            font-weight: 600;
            transition: all 0.3s;
            display: inline-block;
            border: none;
            cursor: pointer;
        }

        .btn-primary {
            background: white;
            color: #667eea;
            box-shadow: 0 5px 20px rgba(255,255,255,0.3);
        }

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

        .btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid white;
        }

        .btn-secondary:hover {
            background: white;
            color: #667eea;
        }

        /* 通用section样式 */
        section {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease-out;
        }

        section.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .section-title {
            text-align: center;
            font-size: 42px;
            margin-bottom: 70px;
            color: #2d3748;
            font-weight: 700;
        }

        /* CDN套餐价格 - 鼠标悬停显示 */
        .pricing {
            padding: 100px 40px;
            background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
        }

        .pricing-tabs {
            max-width: 1400px;
            margin: 0 auto 50px;
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .tab-btn {
            padding: 15px 40px;
            background: white;
            border: 2px solid #e2e8f0;
            border-radius: 50px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: #4a5568;
            transition: all 0.3s;
            position: relative;
        }

        .tab-btn:hover {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            border-color: transparent;
            transform: translateY(-2px);
        }

        .tab-btn.active {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            border-color: transparent;
        }

        .tab-content {
            display: none;
            animation: fadeIn 0.5s ease-in;
        }

        .tab-content.active {
            display: block;
        }

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

        .pricing-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .pricing-card {
            background: white;
            border-radius: 20px;
            padding: 40px 30px;
            box-shadow: 0 5px 30px rgba(0,0,0,0.1);
            transition: all 0.3s;
            border: 2px solid transparent;
            position: relative;
        }

        .pricing-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 50px rgba(102, 126, 234, 0.3);
            border-color: #667eea;
        }

        .pricing-badge {
            position: absolute;
            top: -15px;
            right: 30px;
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: white;
            padding: 5px 20px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

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

        .pricing-title {
            font-size: 24px;
            color: #2d3748;
            margin-bottom: 15px;
            font-weight: 700;
        }

        .pricing-price {
            font-size: 48px;
            color: #667eea;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .pricing-price small {
            font-size: 18px;
            color: #718096;
        }

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

        .pricing-features li {
            padding: 12px 0;
            border-bottom: 1px solid #e2e8f0;
            display: flex;
            justify-content: space-between;
            font-size: 14px;
        }

        .pricing-features li:last-child {
            border-bottom: none;
        }

        .feature-label-text {
            color: #718096;
        }

        .feature-value {
            color: #2d3748;
            font-weight: 600;
        }

        .pricing-btn {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            border: none;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 20px;
        }

        .pricing-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
        }

        /* 海外云服务器配置 - 鼠标悬停显示 */
        .cloud-servers {
            padding: 100px 40px;
            background: white;
        }

        .cloud-tabs {
            max-width: 1400px;
            margin: 0 auto 50px;
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .cloud-tab-btn {
            padding: 15px 40px;
            background: white;
            border: 2px solid #e2e8f0;
            border-radius: 50px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: #4a5568;
            transition: all 0.3s;
        }

        .cloud-tab-btn:hover {
            background: linear-gradient(135deg, #48bb78, #38a169);
            color: white;
            border-color: transparent;
            transform: translateY(-2px);
        }

        .cloud-tab-btn.active {
            background: linear-gradient(135deg, #48bb78, #38a169);
            color: white;
            border-color: transparent;
        }

        .cloud-tab-content {
            display: none;
            animation: fadeIn 0.5s ease-in;
        }

        .cloud-tab-content.active {
            display: block;
        }

        .cloud-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .cloud-card {
            background: white;
            border-radius: 15px;
            padding: 30px 25px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.1);
            transition: all 0.3s;
            border: 2px solid transparent;
            text-align: center;
        }

        .cloud-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(72, 187, 120, 0.3);
            border-color: #48bb78;
        }

        .cloud-card-title {
            font-size: 20px;
            color: #2d3748;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .cloud-card-price {
            font-size: 36px;
            color: #48bb78;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .cloud-card-price small {
            font-size: 16px;
            color: #718096;
        }

        .cloud-specs {
            list-style: none;
            margin: 20px 0;
            text-align: left;
        }

        .cloud-specs li {
            padding: 10px 0;
            color: #4a5568;
            font-size: 14px;
            border-bottom: 1px solid #e2e8f0;
        }

        .cloud-specs li:last-child {
            border-bottom: none;
        }

        .cloud-specs li strong {
            color: #2d3748;
            margin-right: 5px;
        }

        /* 海外服务器产品 */
        .overseas-servers {
            padding: 100px 40px;
            background: #f8f9fa;
        }

        .servers-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
        }

        .server-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 5px 30px rgba(0,0,0,0.1);
            transition: all 0.4s;
        }

        .server-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 20px 60px rgba(0,0,0,0.2);
        }

        .server-image {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            display: block;
        }

        .server-content {
            padding: 30px;
        }

        .server-content h3 {
            font-size: 24px;
            color: #2d3748;
            margin-bottom: 15px;
        }

        .server-content p {
            color: #718096;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .server-features {
            list-style: none;
            margin-bottom: 25px;
        }

        .server-features li {
            padding: 10px 0;
            color: #4a5568;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .server-features li::before {
            content: '✓';
            color: #48bb78;
            font-weight: bold;
            font-size: 18px;
        }

        /* 全球CDN节点 */
        .cdn-regions {
            padding: 100px 40px;
            background: white;
        }

        .regions-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .region-card {
            background: white;
            padding: 35px 30px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            transition: all 0.3s;
            text-align: center;
            border: 2px solid #e2e8f0;
        }

        .region-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
            border-color: #667eea;
        }

        .region-icon {
            font-size: 48px;
            margin-bottom: 20px;
        }

        .region-card h3 {
            font-size: 22px;
            color: #2d3748;
            margin-bottom: 15px;
        }

        .region-card p {
            color: #718096;
            line-height: 1.8;
            font-size: 15px;
        }

        /* 应用场景 */
        .applications {
            padding: 100px 40px;
            background: #f8f9fa;
        }

        .app-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
        }

        .app-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 5px 30px rgba(0,0,0,0.1);
            transition: all 0.4s;
        }

        .app-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 50px rgba(0,0,0,0.2);
        }

        .app-card-image {
            width: 100%;
            height: 240px;
            object-fit: cover;
            display: block;
        }

        .app-card-content {
            padding: 30px;
        }

        .app-card-content h3 {
            font-size: 24px;
            color: #2d3748;
            margin-bottom: 15px;
        }

        .app-card-content p {
            color: #718096;
            line-height: 1.8;
            font-size: 15px;
        }

        /* FAQ - 3列紧凑 */
        .faq {
            padding: 100px 40px;
            background: white;
        }

        .faq-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .faq-item {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.05);
            transition: all 0.3s;
        }

        .faq-item:hover {
            box-shadow: 0 5px 25px rgba(0,0,0,0.1);
            transform: translateY(-5px);
        }

        .faq-question {
            font-weight: 600;
            font-size: 16px;
            color: #2d3748;
            margin-bottom: 12px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .faq-question::before {
            content: 'Q:';
            color: #667eea;
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-answer {
            color: #718096;
            line-height: 1.7;
            font-size: 14px;
        }

        /* 公司介绍 */
        .company-intro {
            padding: 100px 40px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-align: center;
        }

        .company-content {
            max-width: 1000px;
            margin: 0 auto;
        }

        .company-content h2 {
            font-size: 42px;
            margin-bottom: 30px;
            color: white;
        }

        .company-content p {
            font-size: 18px;
            line-height: 2;
            opacity: 0.95;
        }

        /* Footer */
        .footer {
            background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
            color: white;
            padding: 60px 40px 30px;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 50px;
            margin-bottom: 40px;
        }

        .footer-section h3 {
            font-size: 20px;
            margin-bottom: 20px;
        }

        .footer-section p {
            color: #a0aec0;
            line-height: 1.8;
            font-size: 14px;
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section ul li {
            margin-bottom: 12px;
        }

        .footer-section ul li a {
            color: #a0aec0;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-section ul li a:hover {
            color: white;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
        }

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

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

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

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

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 36px;
            }

            .hero p {
                font-size: 16px;
            }

            .servers-grid,
            .app-grid,
            .faq-grid,
            .regions-grid,
            .pricing-grid,
            .cloud-grid {
                grid-template-columns: 1fr;
            }

            .nav-menu {
                display: none;
            }

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

            .sidebar-contact {
                right: 10px;
            }
        .trial-btn {
            background: #ff6b6b !important;
            padding: 0.8rem 2rem !important;
            border-radius: 25px;
            margin-left: 1rem;
            font-weight: bold;
            box-shadow: 0 4px 15px rgba(255,107,107,0.3);
        }

        .trial-btn:hover {
            background: #ff5252 !important;
            transform: translateY(-2px);
        }
            .hero-buttons 
            {
                flex-direction: column;
                gap: 15px;
            }
        }
    .contact-icon img{width:24px;height:24px;display:block;object-fit:contain}

.telegram-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #0088cc 0%, #00a0e4 100%);
    color: white;
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    margin-top: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 136, 204, 0.3);
}

.telegram-btn:hover {
    background: linear-gradient(135deg, #0077b3 0%, #0090cc 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 136, 204, 0.4);
}

.telegram-btn svg {
    width: 24px;
    height: 24px;
}

@media (max-width: 768px) {
    .telegram-btn {
        padding: 12px 28px;
        font-size: 16px;
    }
    
    .telegram-btn svg {
        width: 20px;
        height: 20px;
    }
}