:root {
            --primary: #6248e8;
            --primary-dark: #2563EB;
            --primary-light: #c4b8ff;
            --secondary: #1E293B;
            --accent: #998aff;
            --accent-light: #22D3EE;
            --success: #10B981;
            --warning: #F59E0B;
            --light: #F8FAFC;
            --light-gray: #F1F5F9;
            --gray: #64748B;
            --dark-gray: #334155;
            --white: #FFFFFF;
            --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            --gradient-dark: linear-gradient(135deg, var(--secondary) 0%, #0F172A 100%);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 20px 40px -12px rgba(0, 0, 0, 0.15);
            --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --border-radius: 12px;
            --border-radius-lg: 20px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            line-height: 1.7;
            color: var(--secondary);
            background-color: var(--white);
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        
        
        
h4 {
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.5;
  color: #333333;
  margin: 1.2rem 0 0.8rem 0;
  position: relative;
  padding-left: 1rem;
}

h4::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.3rem;
  bottom: 0.3rem;
  width: 4px;
  background: linear-gradient(to bottom, #3498db, #2ecc71); /* 渐变装饰条 */
  border-radius: 2px;
}
        
        



/* 顶部联系栏样式 */
.nav-top-phone {
    color: red;
    font-weight: bold;
    text-align: center;
    padding: 4px 0px 12px 0px;
    font-size: 16px;

}

.phone-content {
    display: flex;
    align-items: center;
    justify-content: right;
    gap: 8px;
}

.phone-content i {
    color: red;
    font-size: 15px;
}

.phone-content a {
    color: red;
    font-size: 17px;
    text-decoration: none; /* 关键：去掉下划线 */
}

@media (max-width: 768px) {
    .nav-top-phone {
        padding: 6px 0;
        font-size: 16px;
    }

    .phone-content a {
        text-decoration: underline; /* 手机上显示下划线 */
    }
}



        

        /* 导航栏 */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-sm);
            z-index: 1000;
            padding: 16px 0;
            transition: var(--transition-smooth);
             z-index: 999; /* 比顶部联系栏低一级 */
        }

        .navbar.scrolled {
            padding: 12px 0;
            box-shadow: var(--shadow-md);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 20px;
            text-decoration: none;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            background: var(--gradient-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
        }

        .logo-text {
            font-size: 30px;
            font-weight: 600;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .nav-links {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .nav-link {
            text-decoration: none;
            color: var(--dark-gray);
            font-weight: 600;
            font-size: 17px;
            transition: var(--transition-fast);
            position: relative;
            padding: 8px 0;
        }

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

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-primary);
            transition: var(--transition-fast);
        }

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

        .nav-cta {
            background: var(--gradient-primary);
            color: white;
            padding: 10px 20px;
            border-radius: 20px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition-fast);
            box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--secondary);
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
            transition: var(--transition-fast);
        }

        .mobile-menu-btn:hover {
            background: var(--light-gray);
        }

        /* 英雄区域 */
        .hero {
            padding: 200px 0 100px;
            background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 50%, #BAE6FD 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0) 70%);
            border-radius: 50%;
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-text h1 {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-text p {
            font-size: 18px;
            color: var(--dark-gray);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--gradient-primary);
            color: white;
            padding: 16px 32px;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition-fast);
            box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
        }

        .btn-secondary {
            background: white;
            color: var(--primary);
            padding: 16px 32px;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition-fast);
            border: 2px solid var(--primary-light);
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-3px);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px solid rgba(59, 130, 246, 0.2);
        }

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

        .stat-number {
            font-size: 40px;
            font-weight: 800;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            background-clip: text;
            color: #6248e8;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--gray);
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        .hero-visual {
            position: relative;
        }

        .ai-platforms-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .platform-card {
            background: white;
            padding: 24px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-md);
            transition: var(--transition-fast);
            text-align: center;
            border: 1px solid var(--light-gray);
        }

        .platform-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }

        .platform-icon {
            width: 56px;
            height: 80px;
            background: var(--light-gray);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
            color: var(--primary);
        }

        .platform-name {
            font-weight: 600;
            margin-bottom: 3px;
            color: var(--secondary);
        }

        .platform-desc {
            font-size: 15px;
            color: var(--gray);
        }
        
        .aboutme {
            padding: 100px 0;
            background: white;
        }

        /* 服务部分 */
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-subtitle {
            display: inline-block;
            background: rgba(59, 130, 246, 0.1);
            color: var(--primary);
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--secondary);
        }

        .section-description {
            font-size: 18px;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }

        .services {
            padding: 100px 0;
            /* background: var(--light);  */
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: white;
            padding: 40px 32px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-md);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
            border: 1px solid var(--light-gray);
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-primary);
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-xl);
        }

        .service-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            font-size: 28px;
            color: var(--primary);
        }

        .service-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--secondary);
        }

        .service-card p {
            color: var(--gray);
            margin-bottom: 20px;
        }

        .service-features {
            list-style: none;
            margin-top: 20px;
        }

        .service-features li {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--dark-gray);
        }

        .service-features li i {
            color: var(--success);
            font-size: 14px;
        }
        
        
        
.image-container {
    text-align: center;
}

.image-container img {
    max-width: 60%;
    height: auto;
    border-radius: 8px;
}

.caption {
    margin-top: 12px;
    font-size: 13px;
    color: #777;
    line-height: 1.4;
}  









.rank-badge-wrapper {
    position: absolute;
    top: -55px; /* 向上移动给皇冠留空间 */
    left: -30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 10;
}

.crown-large {
    font-size: 45px; /* 大号皇冠 */
    line-height: 1;
    margin-bottom: -6px; /* 让皇冠紧贴圆圈 */
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    z-index: 11; /* 确保皇冠在最上层 */
}

.rank-badge {
    background: linear-gradient(135deg, #FFD700, #ff0000);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
    animation: pulse 2s infinite;
    border: 2px solid white;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.7), 0 3px 10px rgba(0, 0, 0, 0.3); }
    70% { box-shadow: 0 0 0 8px rgba(255, 215, 0, 0), 0 3px 10px rgba(0, 0, 0, 0.3); }
    100% { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0), 0 3px 10px rgba(0, 0, 0, 0.3); }
}

@keyframes crown-shine {
    0% { 
        transform: scale(1);
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    }
    100% { 
        transform: scale(1.05);
        text-shadow: 0 0 15px rgba(255, 215, 0, 0.8);
    }
}



.platforms-summary {
    grid-column: span 3; /* 根据你的网格布局调整 */
    text-align: center;
    margin: 40px 0;
}

.highlight-text {
    background: linear-gradient(135deg, #fff5f5, #fffbea);
    border: 2px solid #ffffff;
    border-radius: 50px;
    padding: 20px 45px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.15);
}

.highlight-text .text {
    font-size: 1.1em;
    font-weight: bold;
    color: #ff0000;
}

.highlight-text .icon {
    font-size: 1.3em;
}     
        
        




/* 公司介绍部分 */

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.feature-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.feature-icon {
    font-size: 1.2em;
    margin-right: 15px;
    margin-top: 5px;
    flex-shrink: 0;
}

.feature-content {
    flex: 1;
}



/*案例和发展时间线*/
.timeline-list {
    list-style: none;
    padding: 0;
    margin: 10px 0;
    position: relative;
    padding-left: 25px;
}

.timeline-list::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #4a90e2, #ff6b6b);
    border-radius: 2px;
}

.time {
    display: inline-block;
    font-weight: 600;
    color: #333;
    font-size: 15px;
    min-width: 80px;
}

.event {
    display: inline-block;
    color: #666;
    font-size: 14px;
    margin-left: 15px;
}

.timeline-item.highlight .event {
    color: red;
    font-weight: 600;
    font-size: 15px;
}





/*底部发展历程*/
/* 底部时间线容器 */
.bottom-timeline-list {
    list-style: none;
    padding: 0;
    margin: 10px 0;
    position: relative;
    padding-left: 25px;
}

.bottom-timeline-list::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #4a90e2, #ff6b6b);
    border-radius: 2px;
}

.bottom-time {
    display: inline-block;
    font-weight: 500;
    color: white;
    font-size: 15px;
    min-width: 80px;
}

.bottom-event {
    display: inline-block;
    color: white;
    font-size: 14px;
    margin-left: 15px;
}

.bottom-timeline-item.highlight .bottom-event {
    color: #fffa00;
    font-weight: 500;
    font-size: 16px;
}


/* 移动端适配 */
@media (max-width: 480px) {
    .timeline-list {
        padding-left: 20px;
    }
    
    .timeline-item {
        padding: 10px 0 10px 20px;
    }
    
    .time, .event {
        display: block;
        margin-left: 0;
    }
    
    .event {
        margin-top: 4px;
    }
}








        /* GEO媒体平台部分 */
.media-platforms-section {
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 50%, #BAE6FD 100%);
    padding: 80px 0;
}

.platforms-logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.logo-card {
    background: white;
    border-radius: 12px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.logo-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.logo-container {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.platform-logo {
    max-width: 80px;
    max-height: 80px;
    object-fit: contain;
    filter: grayscale(20%);
    transition: all 0.3s ease;
}

.logo-card:hover .platform-logo {
    transform: scale(1.1);
    filter: grayscale(0%);
}

.logo-content h3 {
    color: #1a237e;
    margin: 0 0 8px 0;
    font-size: 1.1em;
    font-weight: 700;
}

.logo-content p {
    color: #666;
    margin: 0;
    font-size: 15px;
}

/* 动画效果 */
.animate {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

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

/* 响应式设计 */
@media (max-width: 992px) {
    .platforms-logo-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .platforms-logo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .media-platforms-section {
        padding: 60px 0;
    }
    
    .logo-card {
        padding: 20px 15px;
    }
    
    .logo-container {
        height: 60px;
        margin-bottom: 15px;
    }
    
    .platform-logo {
        max-width: 60px;
        max-height: 60px;
    }
}

@media (max-width: 480px) {
    .platforms-logo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .logo-content h3 {
        font-size: 1em;
    }
    
    .logo-content p {
        font-size: 0.8em;
    }
}













/* 定价区域基础样式 */
#pricing {
    padding: 100px 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 50%, #BAE6FD 100%);
}

.section-title h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--secondary);
}

/* 定价网格布局 */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

/* 定价卡片样式 */
.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid #eaeaea;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.pricing-card.featured {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border: 2px solid #4d7cfe;
    transform: scale(1.05);
    z-index: 1;
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

/* 定价头部 */
.pricing-header {
    text-align: center;
    margin-bottom: 0px;
    position: relative;
}

.pricing-header h3 {
    color: #1a237e;
    font-size: 1.6em;
    margin-bottom: 10px;
    font-weight: 700;
}

.popular-tag {
    display: inline-block;
    background: #4d7cfe;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 15px;
    font-weight: 600;
    position: absolute;
    top: -55px;
    left: 50%;
    transform: translateX(-50%);
}

/* 价格显示 */
.price {
    text-align: center;
    color: #1a237e;
    font-size: 2.8em;
    font-weight: 800;
    margin-bottom: 10px;
}

.price span {
    font-size: 0.4em;
    color: #666;
    font-weight: normal;
}

.price-description {
    text-align: center;
    color: #666;
    font-size: 15px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

/* 功能列表 */
.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.pricing-features li {
    padding: 3px 0;
    font-size: 16px;
    display: flex;
    align-items: center;
}

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

.feature-check {
    color: #4CAF50;
    font-weight: bold;
    margin-right: 10px;
    font-size: 1.1em;
}

.feature-missing {
    color: #999;
    margin-right: 10px;
    font-size: 1.1em;
}

/* 操作按钮 */
.pricing-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95em;
    text-align: center;
    transition: all 0.3s ease;
    flex: 1;
}

.btn-primary {
    background: linear-gradient(135deg, #3B82F6 0%, #06B6D4 100%);
    color: white;
    border: 1px solid #209ee5;
}

.btn-primary:hover {
    background: white;
    color: #1a237e;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(26, 35, 126, 0.3);
}

.btn-secondary {
    background: white;
    color: #1a237e;
    border: 1px solid #209ee5;
}

.btn-secondary:hover {
    background: #209ee5;
    color: white;
    transform: translateY(-2px);
}

/* 特色标签 */
.value-tag {
    text-align: center;
    margin-top: 15px;
}

.value-tag span {
    display: inline-block;
    background: linear-gradient(135deg, #FF6B35, #FF8E53);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: 600;
}

/* 底部说明 */
.pricing-footer {
    margin-top: 60px;
    text-align: center;
}

.footer-note {
    background: white;
    padding: 25px;
    border-radius: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    max-width: 600px;
    margin: 0 auto;
}

.footer-note p {
    margin: 10px 0;
    color: #555;
    font-size: 0.95em;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
}

@media (max-width: 576px) {
    .section-title h2 {
        font-size: 2em;
    }
    
    .pricing-card {
        padding: 30px 20px;
    }
    
    .price {
        font-size: 2.2em;
    }
    
    .pricing-actions {
        flex-direction: column;
    }
}










       
        

        /* GEO流程部分 */
        .process {
            padding: 100px 0;
            background: white;
        }

        .process-container {
            position: relative;
        }

        .process-line {
            position: absolute;
            left: 50%;
            top: 80px;
            bottom: 80px;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary-light), var(--accent-light));
            transform: translateX(-50%);
            z-index: 1;
        }

        .process-steps {
            display: flex;
            flex-direction: column;
            gap: 60px;
            position: relative;
            z-index: 2;
        }

        .process-step {
            display: flex;
            align-items: center;
            gap: 40px;
            max-width: 900px;
            margin: 0 auto;
        }

        .process-step:nth-child(odd) {
            flex-direction: row;
        }

        .process-step:nth-child(even) {
            flex-direction: row-reverse;
        }

        .step-number {
            width: 80px;
            height: 80px;
            background: var(--gradient-primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
        }

        .step-content {
            background: white;
            padding: 32px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-md);
            flex: 1;
            border: 1px solid var(--light-gray);
        }

        .step-content h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--secondary);
        }

        /* 平台覆盖部分 */
        .platforms {
            padding: 100px 0;
            background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 50%, #BAE6FD 100%);
        }

        .platforms-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .platform-features {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .platform-feature {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .feature-icon {
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--primary);
            font-size: 45px;
        }

        .feature-content h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--secondary);
        }

        /* 数据展示部分 */
        .stats-section {
            padding: 100px 0;
            background: var(--gradient-dark);
            color: white;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            position: relative;
            z-index: 2;
        }

        .stat-box {
            text-align: center;
            padding: 30px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: var(--border-radius);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: var(--transition-fast);
        }

        .stat-box:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.3);
        }

        .stat-box h3 {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 8px;
            color: white;
        }

        .stat-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.9);
        }

        /* 案例部分 */
        .cases {
            padding: 100px 0;
            background: white;
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: var(--light);
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--light-gray);
        }

        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .case-header {
            padding: 24px 24px 0;
        }

        .case-industry {
            display: inline-block;
            padding: 6px 16px;
            background: var(--gradient-primary);
            color: white;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
        }

        .case-content {
            padding: 24px;
        }

        .case-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--secondary);
        }

        .case-metrics {
            display: flex;
            gap: 20px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--light-gray);
        }

        .metric {
            text-align: center;
        }

        .metric-value {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .metric-label {
            font-size: 12px;
            color: var(--gray);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* CTA部分 */
        .cta-section {
            padding: 100px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-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 1000 100" preserveAspectRatio="none"><path d="M0,0V100H1000V0C800,50 600,100 400,80C200,60 100,30 0,0Z" fill="rgba(255,255,255,0.1)"/></svg>');
            background-size: cover;
            opacity: 0.3;
        }

        .cta-content {
            max-width: 1000px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .cta-title {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .cta-description {
            font-size: 18px;
            margin-bottom: 40px;
            opacity: 0.9;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-light {
            background: white;
            color: var(--primary);
            padding: 16px 32px;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition-fast);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }

        .btn-light:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
        }

        .btn-outline-light {
            background: transparent;
            color: white;
            padding: 16px 32px;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition-fast);
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: white;
            transform: translateY(-3px);
        }

        /* 页脚 */
        .footer {
            background: var(--secondary);
            color: white;
            padding: 80px 0 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(2, 1fr);
            gap: 50px;
            margin-bottom: 60px;
        }

        .footer-brand .logo-text {
            background: linear-gradient(135deg, white, var(--accent-light));
            -webkit-background-clip: text;
            background-clip: text;
        }

        .footer-description {
            margin-top: 20px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 400px;
        }

        .footer-column h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 24px;
            color: white;
        }
        
        
        
        .footer-column {
            
        }
        
        
        

        .footer-links {
            list-style: none;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a:hover {
            color: white;
            transform: translateX(5px);
        }
        
        

.contact-info {
    margin-top: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.7);
    /* 确保 span 和 a 行为一致 */
}

/* 图标颜色 */
.contact-item i {
    color: var(--accent-light);
    flex-shrink: 0; /* 防止图标被压缩 */
}

/* 统一文本链接样式：继承父级颜色，无下划线（除非需要） */
.contact-item a {
    color: white; /* 使用父级 .contact-item 的颜色 */
    text-decoration: none; /* 默认去掉下划线 */
    transition: color 0.2s;
}

/* 可选：悬停时高亮（提升交互感） */
.contact-item a:hover {
    color: #fff; /* 或 var(--accent-light) */
    text-decoration: underline; /* 悬停时显示下划线 */
}

.phone-link {
    font-weight: bold; /* 加粗 */
    color: rgb(255 255 255); /* 更高的亮度或选择其他高亮颜色 */
}

@media (max-width: 768px) {
    .contact-item a[href^="tel"] {
        text-decoration: underline;
    }
}


        .footer-bottom {
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
        }
        
        
        .platform-image {
            width: 100px; /* 根据需要调整大小 */
            height: 100px; /* 根据需要调整大小 */
            object-fit: contain; /* 保持图片比例 */
            display: block;
        }
        
        
        .aiplatform-image {
            width: 50px; /* 根据需要调整大小 */
            height: 50px; /* 根据需要调整大小 */
            object-fit: contain; /* 保持图片比例 */
            display: block;
        }
        
        
        .case-img {
            width: 100%;
            max-width: 1200px; /* 可根据页面布局调整最大值 */
            margin: 20px auto; /* 水平居中+上下间距 */
            border-radius: 8px; /* 圆角大小 */
            box-shadow: 0 4px 15px rgba(0,0,0,0.08); /* 可选：添加轻微阴影提升层次感 */
            object-fit: cover; /* 保持图片比例，裁剪溢出部分 */
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .platforms-container {
                grid-template-columns: 1fr;
            }
            
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px;
            }
            
            .process-line {
                display: none;
            }
            
            .process-step {
                flex-direction: column !important;
                text-align: center;
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: var(--shadow-lg);
                gap: 0;
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .nav-link {
                padding: 16px 0;
                width: 100%;
                text-align: center;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero-text h1 {
                font-size: 40px;
            }
            
            .section-title {
                font-size: 32px;
            }
            
            .services-grid,
            .cases-grid {
                grid-template-columns: 1fr;
            }
            
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
            
            .stat-number {
                font-size: 32px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }
            
            .hero-text h1 {
                font-size: 32px;
            }
            
            .hero-buttons {
                flex-direction: column;
            }
            
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            
            .hero-stats {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            .ai-platforms-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .cta-buttons {
                flex-direction: column;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

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

        .animate {
            animation: fadeInUp 0.6s ease forwards;
        }