@charset "utf-8";
/* CSS Document */
        :root {
            --primary-color: #2563eb;
            --secondary-color: #3b82f6;
            --accent-color: #60a5fa;
            --light-color: #f3f4f6;
            --dark-color: #1f2937;
            --text-color: #374151;
            --orange: #ff6600;
            --success: #10b981;
            --card-bg-1: #e0f2fe;
            --card-bg-2: #fef3c7;
            --card-bg-3: #d1fae5;
            --card-bg-4: #fce7f3;
            --card-bg-5: #ede9fe;
            --card-bg-6: #ffedd5;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            color: var(--text-color);
            line-height: 1.6;
            background-color: #f9fafb;
            overflow-x: hidden;
        }
        
        .container {
            width: 100%;
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部导航 */
        header {
            background: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo img {
            height: 50px;
            width: auto;
        }
        
        .nav-toggle {
            display: none;
            font-size: 24px;
            background: none;
            border: none;
            color: var(--dark-color);
            cursor: pointer;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin: 0 15px;
            position: relative;
        }
        
        nav ul li a {
            color: var(--dark-color);
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            padding: 10px 0;
            display: block;
            transition: color 0.3s;
        }
        
        nav ul li a:hover, 
        nav ul li a.active {
            color: var(--orange);
        }
        
        .contact-info {
            text-align: right;
        }
        
        .contact-info .phone {
            font-size: 20px;
            color: var(--orange);
            font-weight: bold;
            display: block;
        }
        
        .contact-info .desc {
            font-size: 12px;
            color: #666;
        }
        
        /* Banner部分 */
        .banner {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .banner-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        
        .banner h1 {
            font-size: 48px;
            font-weight: bold;
            line-height: 1.2;
            margin-bottom: 20px;
        }
        
        .banner p {
            font-size: 20px;
            margin-bottom: 30px;
        }
        
        .btn {
            display: inline-block;
            background-color: white;
            color: var(--orange);
            padding: 15px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            margin-top: 20px;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            cursor: pointer;
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }
        
        /* 内容区块通用样式 */
        section {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 36px;
            color: var(--dark-color);
            margin-bottom: 15px;
        }
        
        .section-title p {
            font-size: 18px;
            color: #666;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* 搜索变革区块 */
        .search-evolution {
            background-color: white;
        }
        
        .evolution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 50px;
        }
        
        .evolution-item {
            text-align: center;
            padding: 30px;
            border-radius: 10px;
            transition: transform 0.3s;
            background: var(--card-bg-1);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
        }
        
        .evolution-item:nth-child(2) {
            background: var(--card-bg-2);
        }
        
        .evolution-item:nth-child(3) {
            background: var(--card-bg-3);
        }
        
        .evolution-item:hover {
            transform: translateY(-10px);
        }
        
        .evolution-img {
            width: 100%;
            height: 180px;
            border-radius: 8px;
            margin-bottom: 20px;
            overflow: hidden;
        }
        
        .evolution-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .evolution-item h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--dark-color);
        }
        
        .evolution-item p {
            font-size: 16px;
            color: #666;
            line-height: 1.6;
        }
        
        /* AI搜索区块 */
        .ai-search {
            background-color: var(--light-color);
            overflow: hidden;
        }
        
        .ai-search-content {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .ai-image {
            width: 976px;
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin-top: 40px;
            overflow: hidden;
            transform: translateY(50px);
            opacity: 0;
            transition: all 0.8s ease-out;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .ai-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        .ai-image.visible {
            transform: translateY(0);
            opacity: 1;
        }
        
        /* GEO优势部分 */
        .geo-advantages {
            background-color: white;
        }
        
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        
        .advantage-item {
            padding: 40px 30px;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            text-align: center;
            transition: all 0.3s;
            background: var(--card-bg-4);
        }
        
        .advantage-item:nth-child(2) {
            background: var(--card-bg-5);
        }
        
        .advantage-item:nth-child(3) {
            background: var(--card-bg-6);
        }
        
        .advantage-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .advantage-icon {
            font-size: 50px;
            color: var(--orange);
            margin-bottom: 25px;
        }
        
        .advantage-item h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--dark-color);
        }
        
        .advantage-item p {
            font-size: 16px;
            line-height: 1.6;
            color: #666;
        }
        
        /* GEO排名部分 */
        .geo-ranking {
            background-color: var(--light-color);
        }
        
        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        
        .ranking-item {
            padding: 40px 30px;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            text-align: center;
            transition: all 0.3s;
            background: var(--card-bg-1);
        }
        
        .ranking-item:nth-child(2) {
            background: var(--card-bg-2);
        }
        
        .ranking-item:nth-child(3) {
            background: var(--card-bg-3);
        }
        
        .ranking-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .ranking-item h3 {
            font-size: 22px;
            margin-bottom: 20px;
            color: var(--dark-color);
        }
        
        .ranking-item .type {
            display: block;
            font-size: 16px;
            color: var(--orange);
            margin-bottom: 15px;
            font-weight: 500;
        }
        
        .ranking-item p {
            font-size: 16px;
            line-height: 1.6;
            color: #666;
        }
        
        /* 客户案例 */
        .case-studies {
            background-color: white;
            overflow: hidden;
        }
        
        .cases-container {
            position: relative;
            padding: 20px 0;
        }
        
        .cases-scroll {
            display: flex;
            overflow-x: auto;
            scroll-behavior: smooth;
            padding: 20px 0;
            scrollbar-width: none; /* Firefox */
            -ms-overflow-style: none; /* IE and Edge */
        }
        
        .cases-scroll::-webkit-scrollbar {
            display: none; /* Chrome, Safari and Opera */
        }
        
        .case-item {
            flex: 0 0 auto;
            width: 280px;
            height: 500px;
            margin-right: 20px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .case-item:last-child {
            margin-right: 0;
        }
        
        .case-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .scroll-controls {
            display: flex;
            justify-content: center;
            margin-top: 30px;
        }
        
        .scroll-btn {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 30px;
            margin: 0 10px;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .scroll-btn:hover {
            background: var(--secondary-color);
        }
        
        /* 联系我们 */
        .contact-section {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 100px 0;
            text-align: center;
        }
        
        .contact-content {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .contact-content h2 {
            font-size: 42px;
            margin-bottom: 20px;
        }
        
        .contact-content p {
            font-size: 20px;
            margin-bottom: 40px;
            opacity: 0.9;
        }
        
        /* 底部区域 */
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 60px 0 30px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-section h3 {
            font-size: 20px;
            margin-bottom: 20px;
            color: white;
        }
        
        .footer-section p, 
        .footer-section a {
            color: #ccc;
            margin-bottom: 10px;
            display: block;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-section a:hover {
            color: white;
        }
        
        .footer-bottom {
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 14px;
            color: #999;
        }
                /* 友情链接 */
        .friend-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 20px;
        }
        
        .friend-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .friend-links a:hover {
            color: var(--accent);
        }
        /* 移动端底部导航 */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: white;
            box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            padding: 12px 0;
        }
        
        .mobile-bottom-nav a {
            flex: 1;
            text-align: center;
            color: var(--dark-color);
            text-decoration: none;
            font-size: 14px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .mobile-bottom-nav a i {
            margin-bottom: 4px;
            font-size: 18px;
        }
        
        /* 二维码弹窗 */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }
        
        .modal-content {
            background-color: white;
            padding: 40px;
            border-radius: 15px;
            text-align: center;
            max-width: 400px;
            width: 90%;
            position: relative;
        }
        
        .close-modal {
            position: absolute;
            top: 15px;
            right: 15px;
            font-size: 24px;
            cursor: pointer;
            color: #999;
        }
        
        .modal-qr {
            width: 200px;
            height: 200px;
            margin: 20px auto;
            border-radius: 10px;
            overflow: hidden;
        }
        
        .modal-qr img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        /* 响应式设计 */
        @media (max-width: 1024px) {
            .evolution-grid,
            .advantages-grid,
            .ranking-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .case-item {
                width: 220px;
                height: 390px;
            }
        }
        
        @media (max-width: 768px) {
            .header-content {
                flex-direction: row;
                align-items: center;
            }
            
            .logo img {
                height: 40px;
            }
            
            .contact-info {
                text-align: right;
            }
            
            .contact-info .phone {
                font-size: 16px;
            }
            
            .contact-info .desc {
                font-size: 10px;
            }
            
            .nav-toggle {
                display: block;
                position: absolute;
                right: 20px;
                top: 20px;
            }
            
            nav ul {
                flex-direction: column;
                display: none;
                width: 100%;
                margin-top: 20px;
                background: white;
                position: absolute;
                top: 100%;
                left: 0;
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
                z-index: 1000;
                padding: 20px 0;
            }
            
            nav ul.show {
                display: flex;
            }
            
            nav ul li {
                margin: 10px 0;
                text-align: center;
            }
            
            .banner {
                padding: 80px 0;
            }
            
            .banner h1 {
                font-size: 32px;
            }
            
            .banner p {
                font-size: 18px;
            }
            
            .evolution-grid,
            .advantages-grid,
            .ranking-grid {
                grid-template-columns: 1fr;
            }
            
            .section-title h2 {
                font-size: 28px;
            }
            
            .ai-image {
                width: 100%;
                height: auto;
            }
            
            .case-item {
                width: 85%;
                height: auto;
                aspect-ratio: 9/16;
            }
            
            .mobile-bottom-nav {
                display: flex;
                justify-content: space-around;
            }
            
            /* 调整底部边距，避免被底部导航遮挡 */
            .contact-section, footer {
                padding-bottom: 80px;
            }
        }
        
        @media (max-width: 480px) {
            .banner {
                padding: 60px 0;
            }
            
            .banner h1 {
                font-size: 28px;
            }
            
            .section-title h2 {
                font-size: 24px;
            }
            
            .contact-content h2 {
                font-size: 32px;
            }
            
            .case-item {
                width: 80%;
            }
        }