/* CSS变量定义 */
:root {
    --primary-color: #3b82f6;
    --secondary-color: #1e3a8a;
    --accent-color: #60a5fa;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --gradient-5: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --dark-bg: #0f172a;
    --medium-bg: #1e293b;
    --light-bg: #f8fafc;
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-dark: #1f2937;
    --text-muted: #6b7280;
    --border-color: #374151;
    --shadow-sm: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 25px rgba(0,0,0,0.1);
    --shadow-xl: 0 25px 50px rgba(0,0,0,0.25);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* 容器样式 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

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

.nav-logo {
    height: 40px;
    width: auto;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.nav-brand h2 {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1.6rem;
    text-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
    margin: 0;
}

.nav-menu {
    display: flex;
    gap: 1.8rem;
    list-style: none;
    align-items: center;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
    font-size: 1rem;
    white-space: nowrap;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-link:hover::before {
    width: 100%;
}

.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::before {
    width: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

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

.hamburger:hover span {
    background: var(--primary-color);
}

/* 滚动时导航栏样式 */
.navbar.scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

/* 导航链接悬停效果 */
.nav-link::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    transition: all 0.3s ease;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    pointer-events: none;
}

.nav-link:hover::after {
    width: 40px;
    height: 40px;
}

/* 英雄区域样式 */
.hero-section {
    background: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(147, 51, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, var(--dark-bg) 0%, var(--medium-bg) 50%, #1a202c 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.hero-section::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="grid1" width="30" height="30" patternUnits="userSpaceOnUse"><path d="M 30 0 L 0 0 0 30" fill="none" stroke="rgba(59,130,246,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid1)"/></svg>'),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><defs><pattern id="dots" width="50" height="50" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(147,51,234,0.08)"/></pattern></defs><rect width="200" height="200" fill="url(%23dots)"/></svg>');
    animation: float 20s ease-in-out infinite, drift 30s linear infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg at 50% 50%, 
        transparent 0deg, 
        rgba(59, 130, 246, 0.03) 60deg, 
        transparent 120deg,
        rgba(147, 51, 234, 0.03) 180deg,
        transparent 240deg,
        rgba(236, 72, 153, 0.03) 300deg,
        transparent 360deg);
    animation: rotate 60s linear infinite;
    pointer-events: none;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

@keyframes drift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-30px, -30px); }
}

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

.main-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color), #a855f7, #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out, glow 3s ease-in-out infinite alternate, textShift 8s ease-in-out infinite;
    text-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
    position: relative;
    z-index: 2;
}

@keyframes textShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes glow {
    from { 
        filter: brightness(1) drop-shadow(0 0 20px rgba(59, 130, 246, 0.3));
    }
    to { 
        filter: brightness(1.2) drop-shadow(0 0 40px rgba(59, 130, 246, 0.5));
    }
}

.sub-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--text-primary), var(--accent-color), #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out 0.2s both, titleGlow 4s ease-in-out infinite alternate;
    position: relative;
    z-index: 2;
}

@keyframes titleGlow {
    from { filter: brightness(1); }
    to { filter: brightness(1.1); }
}

.tagline {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s ease-out 0.4s both;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 添加粒子效果 */
.hero-section .particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.hero-section .particle {
    position: absolute;
    background: rgba(59, 130, 246, 0.6);
    border-radius: 50%;
    pointer-events: none;
    animation: particleFloat 15s infinite linear;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

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

/* 按钮样式 */
.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.primary-btn, .secondary-btn {
    padding: 1.2rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.primary-btn {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.primary-btn::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: left 0.5s;
}

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

.primary-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4);
}

.secondary-btn {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
    position: relative;
}

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

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

.secondary-btn:hover {
    color: var(--text-primary);
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* 产品概览区域 */
.products-overview {
    padding: 6rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
}

.products-overview::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="rgba(59,130,246,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(45deg, var(--text-dark), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    position: relative;
}

.section-description {
    text-align: center;
    font-size: 1.3rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.8;
    position: relative;
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
    position: relative;
}

@media (min-width: 1200px) {
    .product-cards {
        grid-template-columns: repeat(5, 1fr);
        gap: 2rem;
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    .product-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 767px) {
    .product-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.product-card {
    background: var(--text-primary);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.demo-button {
    margin-top: 1.5rem;
}

.demo-btn {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: var(--text-primary);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.demo-btn::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 0.5s;
}

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

.demo-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.demo-btn:active {
    transform: translateY(0) scale(1);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(59, 130, 246, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:nth-child(1)::before { background: linear-gradient(45deg, transparent, rgba(102, 126, 234, 0.1)); }
.product-card:nth-child(2)::before { background: linear-gradient(45deg, transparent, rgba(240, 147, 251, 0.1)); }
.product-card:nth-child(3)::before { background: linear-gradient(45deg, transparent, rgba(79, 172, 254, 0.1)); }
.product-card:nth-child(4)::before { background: linear-gradient(45deg, transparent, rgba(67, 233, 123, 0.1)); }
.product-card:nth-child(5)::before { background: linear-gradient(45deg, transparent, rgba(250, 112, 154, 0.1)); }

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

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.product-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    animation: bounce 2s infinite;
}

.product-card:nth-child(1) .product-icon { animation-delay: 0s; }
.product-card:nth-child(2) .product-icon { animation-delay: 0.2s; }
.product-card:nth-child(3) .product-icon { animation-delay: 0.4s; }
.product-card:nth-child(4) .product-icon { animation-delay: 0.6s; }
.product-card:nth-child(5) .product-icon { animation-delay: 0.8s; }

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

.product-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
}

.product-tagline {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.product-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 产品详情区域 */
.product-detail {
    padding: 6rem 0;
    position: relative;
}

/* HaoCrawler - 深蓝色主题 */
#hao-crawler {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f8fafc 100%);
}

#hao-crawler::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="crawler-pattern" width="40" height="40" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="2" fill="rgba(30, 58, 138, 0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23crawler-pattern)"/></svg>');
    opacity: 0.5;
}

/* HaoInsight - 蓝色主题 */
#hao-insight {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 50%, #f0f9ff 100%);
}

#hao-insight::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="insight-pattern" width="35" height="35" patternUnits="userSpaceOnUse"><polygon points="17.5,5 30,12.5 30,22.5 17.5,30 5,22.5 5,12.5" fill="none" stroke="rgba(59, 130, 246, 0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23insight-pattern)"/></svg>');
    opacity: 0.5;
}

/* Haolytics - 绿色主题 */
#haolytics {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 50%, #f7fee7 100%);
}

#haolytics::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="haolytics-pattern" width="30" height="30" patternUnits="userSpaceOnUse"><rect x="10" y="10" width="10" height="10" fill="rgba(34, 197, 94, 0.1)" transform="rotate(45 15 15)"/></pattern></defs><rect width="100" height="100" fill="url(%23haolytics-pattern)"/></svg>');
    opacity: 0.5;
}

/* HaoMind - 橙色主题 */
#hao-mind {
    background: linear-gradient(135deg, #fff7ed 0%, #fed7aa 50%, #ffedd5 100%);
}

#hao-mind::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="mind-pattern" width="45" height="45" patternUnits="userSpaceOnUse"><path d="M22.5,10 Q35,20 22.5,30 Q10,20 22.5,10" fill="rgba(251, 146, 60, 0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23mind-pattern)"/></svg>');
    opacity: 0.5;
}

/* HaoMindUI - 青色主题 */
#hao-mind-ui {
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 50%, #f0fdf4 100%);
}

#hao-mind-ui::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="ui-pattern" width="25" height="25" patternUnits="userSpaceOnUse"><circle cx="12.5" cy="12.5" r="8" fill="none" stroke="rgba(6, 182, 212, 0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23ui-pattern)"/></svg>');
    opacity: 0.5;
}

.product-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.product-header h2 {
    font-size: 2.8rem;
    font-weight: 800;
    background: linear-gradient(45deg, var(--text-dark), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.product-tagline {
    color: var(--primary-color);
    font-size: 1.4rem;
    font-weight: 600;
}

.product-content {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.product-description {
    text-align: center;
    font-size: 1.3rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    line-height: 1.8;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1;
}

/* 为每个产品的描述框添加不同的背景色 */
#hao-crawler .product-description {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(30, 58, 138, 0.2);
}

#hao-insight .product-description {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

#haolytics .product-description {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

#hao-mind .product-description {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(251, 146, 60, 0.2);
}

#hao-mind-ui .product-description {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.value-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

@media (min-width: 1024px) {
    .value-points {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .value-points {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 767px) {
    .value-points {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.value-point {
    text-align: center;
    padding: 2.5rem 2rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.9) 100%);
    border-radius: 24px;
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.08),
        0 4px 10px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(59, 130, 246, 0.1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.value-point::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), #a855f7);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    border-radius: 4px;
}

.value-point::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    opacity: 0;
    transition: all 0.4s ease;
    pointer-events: none;
}

.value-point:hover::before {
    transform: scaleX(1);
}

.value-point:hover::after {
    opacity: 1;
}

.value-point:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(59, 130, 246, 0.15),
        0 8px 16px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border-color: rgba(59, 130, 246, 0.3);
}

.value-icon {
    font-size: 3.2rem;
    margin-bottom: 1.8rem;
    display: inline-block;
    animation: pulse 2s infinite;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transition: all 0.3s ease;
}

.value-point:hover .value-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 6px 12px rgba(59, 130, 246, 0.3));
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1); 
        filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    }
    50% { 
        transform: scale(1.05); 
        filter: drop-shadow(0 6px 12px rgba(59, 130, 246, 0.2));
    }
}

.value-point h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.2rem;
    background: linear-gradient(45deg, var(--text-dark), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.value-point:hover h3 {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.value-point p {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.value-point:hover p {
    color: var(--text-dark);
}

.product-footer {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.inspirational-quote {
    font-size: 1.4rem;
    font-style: italic;
    color: var(--primary-color);
    font-weight: 600;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 价值总结区域 */
.value-proposition {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--light-bg) 0%, #e2e8f0 100%);
    position: relative;
}

.value-proposition::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="stars" width="30" height="30" patternUnits="userSpaceOnUse"><polygon points="15,5 18,12 25,12 19,17 22,25 15,20 8,25 11,17 5,12 12,12" fill="rgba(59,130,246,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23stars)"/></svg>');
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
}

.value-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.value-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.value-item:hover::before {
    opacity: 1;
}

.value-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.value-item .value-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    animation: rotate 3s linear infinite;
}

.value-item:nth-child(odd) .value-icon {
    animation-direction: reverse;
}

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

.value-item h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.value-item p {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 1rem;
}

/* 行动号召区域 */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #1e40af 50%, var(--secondary-color) 100%);
    color: var(--text-primary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(147, 51, 234, 0.2) 0%, transparent 50%);
    animation: float 15s ease-in-out infinite;
}

.cta-section h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 2.5rem;
    background: linear-gradient(45deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.cta-section .cta-buttons {
    margin-bottom: 2.5rem;
    position: relative;
}

.cta-section .secondary-btn {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.cta-section .secondary-btn:hover {
    background: var(--text-primary);
    color: var(--secondary-color);
}

.cta-tagline {
    font-size: 1.4rem;
    line-height: 1.8;
    position: relative;
}

.cta-tagline p {
    margin-bottom: 0.8rem;
    font-weight: 500;
}

/* 页脚样式 */
.site-footer {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1a202c 100%);
    color: var(--text-secondary);
    padding: 3rem 0;
    position: relative;
}

.site-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="footer-grid" width="25" height="25" patternUnits="userSpaceOnUse"><path d="M 25 0 L 0 0 0 25" fill="none" stroke="rgba(255,255,255,0.02)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23footer-grid)"/></svg>');
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    position: relative;
}

.footer-brand h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.footer-contact p {
    margin: 0.5rem 0;
    color: #9ca3af;
    font-size: 0.9rem;
}

.footer-contact .icp-number {
    font-size: 0.8rem;
    color: #6b7280;
    text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--dark-bg);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .main-title {
        font-size: 2.5rem;
    }

    .sub-title {
        font-size: 1.5rem;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .primary-btn, .secondary-btn {
        width: 200px;
    }

    .product-cards {
        grid-template-columns: 1fr;
    }

    .value-points {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 1024px) {
    .product-cards {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .value-points {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

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

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

/* 微信二维码弹窗样式 */
.wechat-qr-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.wechat-qr-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    overflow: hidden;
    animation: slideUp 0.3s ease;
    position: relative;
}

.wechat-qr-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(0, 0, 0, 0.6);
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
}

.wechat-qr-close:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

.wechat-qr-body {
    padding: 32px;
    text-align: center;
}

.wechat-qr-image {
    width: 300px;
    height: 300px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease;
}

.wechat-qr-image:hover {
    transform: scale(1.02);
}

.wechat-qr-body p {
    margin: 0;
    color: #4b5563;
    font-size: 16px;
    line-height: 1.6;
    font-weight: 500;
}

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

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translate(-50%, -40%);
    }
    to { 
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 加载动画 */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}