/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background-gray);
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(244, 129, 32, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(46, 134, 171, 0.03) 0%, transparent 50%);
    background-attachment: fixed;
    overflow-x: hidden;
}

/* CSS变量定义 - Cloudflare 风格 */
:root {
    --primary-color: #03aac7;
    --primary-light: #26c6da;
    --primary-dark: #0288a3;
    --secondary-color: #2E86AB;
    --accent-color: #A23B72;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --error-color: #DC3545;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    --text-dark: #111827;
    --border-color: #E5E7EB;
    --background-light: #FFFFFF;
    --background-gray: #F9FAFB;
    --background-card: #FFFFFF;
    --background-glass: rgba(255, 255, 255, 0.8);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-cyan: 0 4px 14px 0 rgba(3, 170, 199, 0.2);
    --shadow-blue: 0 4px 14px 0 rgba(46, 134, 171, 0.2);
    --border-radius: 8px;
    --border-radius-large: 16px;
    --transition: all 0.2s ease-in-out;
    --gradient-primary: linear-gradient(135deg, #03aac7 0%, #26c6da 100%);
    --gradient-secondary: linear-gradient(135deg, #2E86AB 0%, #A23B72 100%);
    --gradient-accent: linear-gradient(135deg, #26c6da 0%, #03aac7 100%);
    --gradient-subtle: linear-gradient(135deg, #F9FAFB 0%, #FFFFFF 100%);
}

/* 通用容器 */
.container {
    max-width: 95vw;
    margin: 0 auto;
    padding: 0 2.5vw;
    width: 100%;
}

/* 导航栏 - Cloudflare 风格 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--background-card);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 95vw;
    margin: 0 auto;
    padding: 0 2.5vw;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.nav-logo i {
    margin-right: 8px;
    font-size: 28px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    margin-left: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 8px 16px;
    border-radius: var(--border-radius);
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(244, 129, 32, 0.05);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-left: auto;
}

.btn-login {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background: var(--background-card);
    transition: var(--transition);
}

.btn-login:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: rgba(244, 129, 32, 0.05);
    box-shadow: var(--shadow-cyan);
}

.btn-trial {
    text-decoration: none;
    background: var(--gradient-primary);
    color: white;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    border: none;
    box-shadow: var(--shadow-cyan);
    position: relative;
    overflow: hidden;
}

.btn-trial::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.btn-trial:hover::before {
    left: 100%;
}

.btn-trial:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-cyan);
    background: var(--gradient-accent);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    margin-left: auto;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* 移动端菜单 */
.nav-menu.active {
    display: flex !important;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 50px;
    z-index: 1000;
    animation: slideDown 0.3s ease;
}

.nav-menu.active .nav-link {
    color: white;
    font-size: 1.5rem;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    width: 80%;
    text-align: center;
    transition: all 0.3s ease;
}

.nav-menu.active .nav-link:hover {
    color: var(--primary-color);
    transform: translateX(10px);
}

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

/* 英雄区域 - Cloudflare 风格 */
.hero {
    padding: 80px 0 0;
    background: var(--background-light);
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(244, 129, 32, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(46, 134, 171, 0.05) 0%, transparent 50%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="%23E5E7EB" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
    opacity: 0.4;
    pointer-events: none;
}

.hero-container {
    max-width: 95vw;
    margin: 0 auto;
    padding: 0 2.5vw;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4vw;
    align-items: center;
    height: 100%;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 48px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    padding: 14px 28px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-orange);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-cyan);
    background: var(--gradient-accent);
}

.btn-secondary {
    background: rgba(46, 134, 171, 0.1);
    color: var(--secondary-color);
    padding: 14px 28px;
    border: 2px solid var(--secondary-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--gradient-secondary);
    transition: width 0.3s ease;
    z-index: -1;
}

.btn-secondary:hover::before {
    width: 100%;
}

.btn-secondary:hover {
    color: white;
    transform: translateY(-2px);
    border-color: transparent;
    box-shadow: var(--shadow-lg), var(--shadow-blue);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 24px 20px;
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-item:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg), var(--shadow-cyan);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* 英雄区域可视化 */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.globe-container {
    position: relative;
    width: 400px;
    height: 400px;
    overflow: hidden;
    z-index: 1;
}

.globe-container::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    right: -50px;
    bottom: -50px;
    background: conic-gradient(from 0deg, transparent, rgba(0, 212, 255, 0.3), transparent, rgba(255, 0, 128, 0.3), transparent);
    border-radius: 50%;
    animation: rotate 10s linear infinite;
    z-index: -1;
}

.globe {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.8) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255, 0, 128, 0.6) 0%, transparent 50%),
        linear-gradient(135deg, var(--background-darker) 0%, rgba(0, 50, 100, 0.8) 100%);
    position: relative;
    animation: rotate 20s linear infinite;
    box-shadow: 
        0 0 50px rgba(0, 212, 255, 0.4),
        inset 0 0 50px rgba(255, 255, 255, 0.1),
        0 0 100px rgba(0, 212, 255, 0.2);
    overflow: hidden;
    border: 2px solid rgba(0, 212, 255, 0.3);
}

.globe::before {
    content: '';
    position: absolute;
    top: 10%;
    left: 10%;
    width: 80%;
    height: 80%;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.05); }
}

.node {
    position: absolute;
    width: 12px;
    height: 12px;
    background: radial-gradient(circle, rgba(255, 255, 255, 1) 0%, rgba(0, 212, 255, 0.8) 100%);
    border-radius: 50%;
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.8),
        0 0 40px rgba(0, 212, 255, 0.4),
        inset 0 0 10px rgba(255, 255, 255, 0.5);
    animation: pulse 2s ease-in-out infinite;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.node::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 255, 0.3);
    animation: ripple 2s ease-in-out infinite;
}

@keyframes ripple {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.node-1 { top: 20%; left: 30%; }
.node-2 { top: 40%; right: 20%; }
.node-3 { bottom: 30%; left: 25%; }
.node-4 { top: 60%; left: 50%; }
.node-5 { bottom: 20%; right: 30%; }

.connection {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 212, 255, 0.8) 20%, 
        rgba(255, 255, 255, 1) 50%, 
        rgba(0, 212, 255, 0.8) 80%, 
        transparent 100%);
    animation: flow 3s ease-in-out infinite;
    z-index: 2;
    border-radius: 1px;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.6);
}

.connection::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 212, 255, 0.3) 50%, 
        transparent 100%);
    border-radius: 2px;
    animation: dataFlow 2s linear infinite;
}

@keyframes dataFlow {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.connection-1 {
    top: 25%;
    left: 35%;
    width: 100px;
    transform: rotate(45deg);
}

.connection-2 {
    top: 45%;
    left: 20%;
    width: 120px;
    transform: rotate(-30deg);
}

.connection-3 {
    bottom: 25%;
    left: 40%;
    width: 80px;
    transform: rotate(60deg);
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

@keyframes flow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* 通用区域样式 */
section {
    padding: 2vh 0;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.section-header {
    text-align: center;
    margin-bottom: 2vh;
    flex-shrink: 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 产品服务 - 科技风格 */
.products {
    background: var(--background-light);
    min-height: 80vh;
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%2300d4ff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>') repeat;
    opacity: 0.5;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2vw;
    flex: 1;
    align-content: center;
}

.product-card {
    background: var(--background-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    box-shadow: var(--shadow-sm);
    z-index: 1;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

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

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

.product-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.product-icon i {
    font-size: 28px;
    color: white;
}

.product-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.product-description {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.product-features {
    list-style: none;
}

.product-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 20px;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* 套餐价格 - 科技风格 */
.pricing {
    background: var(--background-light);
    min-height: 80vh;
    position: relative;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2vw;
    margin-bottom: 2vh;
    flex: 1;
    align-content: center;
}

.pricing-card {
    background: var(--background-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 500px;
    box-shadow: var(--shadow-sm);
    z-index: 1;
}

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

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg), var(--shadow-cyan);
}

.pricing-card.featured::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--gradient-primary);
    color: white;
    padding: 8px 40px;
    font-size: 12px;
    font-weight: 600;
    transform: rotate(45deg);
    box-shadow: var(--shadow-sm);
}

.pricing-header {
    padding: 1.5vw;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.plan-price {
    margin-bottom: 16px;
}

.currency {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

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

.plan-description {
    color: var(--text-secondary);
}

.pricing-features {
    padding: 1.5vw;
    flex: 1;
}

.pricing-features ul {
    list-style: none;
}

.pricing-features li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    color: var(--text-secondary);
}

.pricing-features i {
    color: var(--success-color);
    margin-right: 12px;
    font-size: 14px;
}

.pricing-action {
    padding: 0 1.5vw 1.5vw;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    display: block;
    text-align: center;
    transition: var(--transition);
}

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

.pricing-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

.pricing-note i {
    color: var(--warning-color);
    margin-right: 8px;
}

/* 解决方案 */
.solutions {
    background: var(--background-white);
    min-height: 80vh;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2vw;
    flex: 1;
    align-content: center;
}

.solution-card {
    background: white;
    padding: 1.5vw;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

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

.solution-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.solution-icon i {
    font-size: 20px;
    color: white;
}

.solution-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.solution-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.solution-features {
    list-style: none;
}

.solution-features li {
    padding: 6px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 16px;
    font-size: 14px;
}

.solution-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* 技术优势 */
.advantages {
    background: var(--background-light);
    min-height: 80vh;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2vw;
    flex: 1;
    align-content: center;
}

.advantage-item {
    text-align: center;
    padding: 1.5vw 1vw;
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.advantage-icon i {
    font-size: 32px;
    color: white;
}

.advantage-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.advantage-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 客户案例 */
.testimonials {
    background: var(--background-white);
    min-height: 80vh;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2vw;
    flex: 1;
    align-content: center;
}

.testimonial-card {
    background: white;
    padding: 1.5vw;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    border-left: 4px solid var(--primary-color);
}

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1.1rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-info h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 4px;
}

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

/* 关于我们 */
.about {
    background: var(--background-light);
    min-height: 80vh;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4vw;
    align-items: center;
    flex: 1;
}

.about-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.team-member {
    background: white;
    padding: 1.2vw;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-light);
}

.member-avatar {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.member-avatar i {
    font-size: 24px;
    color: white;
}

.team-member h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.team-member p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 联系我们 */
.contact {
    background: var(--background-white);
    min-height: 80vh;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4vw;
    flex: 1;
    align-items: center;
}

.contact-map {
    background: rgba(255, 255, 255, 0.05);
    padding: 2vw;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.map-container {
    height: 100%;
    min-height: 400px;
}

.map-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--text-light);
}

.map-placeholder i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.map-placeholder p {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.map-features {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2vh;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 20px;
    color: white;
}

.contact-details h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.contact-details p {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-details span {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 表单样式 */
.form {
    background: white;
    padding: 1.5vw;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

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

/* 页脚 - 科技风格 */
.footer {
    background: var(--background-darker);
    background-image: 
        linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(255, 0, 128, 0.1) 100%),
        radial-gradient(circle at 50% 0%, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
    color: white;
    padding: 3vh 0 1vh;
    min-height: auto;
    position: relative;
    border-top: 1px solid rgba(0, 212, 255, 0.3);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="circuit" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M0,20 L20,20 L20,0 M20,20 L40,20 M20,20 L20,40" fill="none" stroke="%2300d4ff" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23circuit)"/></svg>') repeat;
    opacity: 0.3;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 2vw;
    margin-bottom: 2vh;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.footer-logo i {
    margin-right: 8px;
    font-size: 28px;
    color: var(--primary-color);
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.6));
}

.footer-description {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid rgba(0, 212, 255, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.social-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 50%;
}

.social-links a:hover::before {
    opacity: 1;
}

.social-links a:hover {
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.4);
    border-color: transparent;
}

.social-links a i {
    position: relative;
    z-index: 1;
}

.footer-section h4 {
    color: white;
    font-weight: 600;
    margin-bottom: 20px;
}

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

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

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    color: #ccc;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

/* 响应式设计 */
@media (max-width: 800px) {
    .container {
        padding: 0 2.5vw;
        max-width: 95vw;
    }
    
    .nav-container {
        padding: 0 2.5vw;
        max-width: 95vw;
        position: relative;
    }
    
    .hero-container {
        padding: 0 2.5vw;
        max-width: 95vw;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-actions {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
    }
    
    .hero {
        padding: 80px 0 40px;
        min-height: 80vh;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
        padding: 0 4vw;
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-visual {
        order: 2;
        margin-bottom: 20px;
        overflow: hidden;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .hero-title {
        font-size: 2.2rem;
        line-height: 1.3;
        margin-bottom: 20px;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 24px;
        padding: 0 2vw;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 12px;
        margin-bottom: 32px;
    }
    
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        width: 80%;
        max-width: 280px;
        text-align: center;
        padding: 12px 20px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-top: 24px;
    }
    
    .globe-container {
        width: 280px;
        height: 280px;
        margin: 0 auto;
        overflow: hidden;
        position: relative;
        z-index: 1;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .products-grid,
    .pricing-grid,
    .solutions-grid,
    .advantages-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    section {
        min-height: auto;
        padding: 40px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 2.5vw;
        max-width: 95vw;
    }
    
    .nav-container {
        padding: 0 2.5vw;
        max-width: 95vw;
    }
    
    .hero-container {
        padding: 0 2.5vw;
        max-width: 95vw;
    }
    
    .hero {
        padding: 70px 0 30px;
        min-height: 80vh;
    }
    
    .hero-container {
        padding: 0 5vw;
        gap: 30px;
    }
    
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.4;
        margin-bottom: 16px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 20px;
        padding: 0 1vw;
    }
    
    .hero-actions {
        gap: 10px;
        margin-bottom: 24px;
    }
    
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        width: 90%;
        max-width: 260px;
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 20px;
    }
    
    .stat-item {
        padding: 12px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 8px;
        backdrop-filter: blur(10px);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    .globe-container {
        width: 240px;
        height: 240px;
        margin: 0 auto;
        overflow: hidden;
        position: relative;
        z-index: 1;
    }
    
    section {
        padding: 2vh 0;
        min-height: auto;
    }
    
    .product-card,
    .solution-card,
    .testimonial-card {
        padding: 24px;
    }
    
    .pricing-card .pricing-header,
    .pricing-card .pricing-features,
    .pricing-card .pricing-action {
        padding: 24px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 隐藏滚动条 */
body {
    overflow-x: hidden;
}

/* 隐藏webkit浏览器滚动条 */
::-webkit-scrollbar {
    width: 0px;
    background: transparent;
}

/* 隐藏Firefox滚动条 */
html {
    scrollbar-width: none;
}

/* 隐藏IE滚动条 */
body {
    -ms-overflow-style: none;
}