        /* ====== 公共CSS部分 ====== */
        
        /* CSS变量 */
        :root {
            --primary: #0D1B2A; /* 深蓝黑 */
            --secondary: #FF6B6B; /* 珊瑚红 */
            --accent: #4ECDC4; /* 青绿色 */
            --light: #F7F9FC; /* 浅灰白 */
            --dark: #1A1A2E; /* 深蓝紫 */
            --gray: #8D99AE; /* 中性灰 */
            --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
            --shadow-sm: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
            --border-radius: 16px;
            --border-radius-lg: 24px;
            --container-max: 1400px;
        }
        
        /* 重置与基础 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: 'Space Grotesk', sans-serif;
            line-height: 1.6;
            color: var(--primary);
            background-color: var(--light);
            overflow-x: hidden;
        }
        
        h1, h2, h3, h4, h5 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.5rem;
        }
        
        h1 {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
        }
        
        h2 {
            font-size: clamp(2rem, 4vw, 3.5rem);
            position: relative;
            display: inline-block;
        }
        
        h3 {
            font-size: 1.75rem;
        }
        
        p {
            margin-bottom: 1.5rem;
            color: var(--gray);
            font-size: 1.1rem;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        
        ul {
            list-style: none;
        }
        
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 2rem;
        }
        
        section {
            padding: 6rem 0;
            position: relative;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 5rem;
        }
        
        .section-title h2 {
            position: relative;
            z-index: 2;
        }
        
        .section-title .title-bg {
            position: absolute;
            font-size: 6rem;
            font-weight: 900;
            color: rgba(13, 27, 42, 0.03);
            top: -3rem;
            left: 50%;
            transform: translateX(-50%);
            white-space: nowrap;
            z-index: 1;
        }
        
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .btn-primary {
            background-color: var(--secondary);
            color: white;
        }
        
        .btn-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3);
        }
        
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        
        .btn-secondary:hover {
            background-color: var(--primary);
            color: white;
            transform: translateY(-5px);
        }
        
        /* 几何背景元素 */
        .bg-shape {
            position: absolute;
            border-radius: 50%;
            z-index: -1;
            filter: blur(40px);
            opacity: 0.5;
        }
        
        .shape-1 {
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
            top: 10%;
            left: -200px;
        }
        
        .shape-2 {
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, var(--secondary) 0%, transparent 70%);
            bottom: 10%;
            right: -100px;
        }
        
        /* 导航栏样式 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 1.5rem 0;
            transition: var(--transition);
            background-color: rgba(247, 249, 252, 0.95);
            backdrop-filter: blur(10px);
        }
        
        header.scrolled {
            padding: 1rem 0;
            box-shadow: var(--shadow-sm);
            background-color: rgba(247, 249, 252, 0.98);
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        /* LOGO样式 */
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent), var(--primary));
            background-size: 300% 300%;
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            animation: gradientShift 8s ease infinite;
        }
        
        @keyframes gradientShift {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        .nav-menu {
            display: flex;
            gap: 2.5rem;
        }
        
        .nav-menu li {
            position: relative;
        }
        
        .nav-menu a {
            font-weight: 600;
            font-size: 1.1rem;
            position: relative;
            padding: 0.5rem 0;
        }
        
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary);
            transition: var(--transition);
            border-radius: 2px;
        }
        
        .nav-menu a:hover::after {
            width: 100%;
        }
        
        .nav-menu a:hover {
            color: var(--secondary);
        }
        
        /* 电话链接样式 */
        .phone-link {
            display: flex;
            align-items: center;
            background-color: var(--primary);
            color: white;
            padding: 0.8rem 2.5rem;
            border-radius: 50px;
            font-weight: 700;
            transition: var(--transition);
            min-width: 220px;
            justify-content: center;
        }
        
        .phone-link:hover {
            background-color: var(--secondary);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
        }
        
        .phone-link i {
            margin-right: 10px;
            font-size: 1.1rem;
            color: inherit;
        }
        
        .phone-link span {
            color: inherit;
        }
        
        .mobile-menu-btn {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
            z-index: 1001;
        }
        
        /* 页脚样式 */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 5rem 0 2rem;
            position: relative;
            overflow: hidden;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 4rem;
            margin-bottom: 4rem;
        }
        
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1.5rem;
            display: inline-block;
            background: linear-gradient(90deg, white, var(--accent), white);
            background-size: 300% 300%;
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            animation: gradientShift 8s ease infinite;
        }
        
        .footer-desc {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 2rem;
        }
        
        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            color: white;
            position: relative;
            padding-bottom: 1rem;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background-color: var(--accent);
        }
        
        .footer-links li {
            margin-bottom: 1rem;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
        }
        
        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(5px);
        }
        
        .footer-links a i {
            margin-right: 10px;
            width: 20px;
        }
        
        .contact-info {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
            color: rgba(255, 255, 255, 0.7);
        }
        
        .contact-info i {
            color: var(--accent);
            margin-right: 15px;
            font-size: 1.2rem;
            width: 20px;
        }
        
        /* 微信二维码区域 */
        .qr-container {
            text-align: center;
            margin-top: 1rem;
            background: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .qr-code {
            width: 150px;
            height: 150px;
            background: linear-gradient(45deg, var(--accent), var(--secondary));
            margin: 0 auto 1rem;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
        }
		
		        .qr-code img {
            width: 100%;
            height: 100%;
        }
        
        .qr-text {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 2.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        
        .footer-links-bottom {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
        }
        
        .footer-links-bottom a {
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }
        
        .footer-links-bottom a:hover {
            color: var(--accent);
        }
        
        .copyright {
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        
        /* 动画 */
        @keyframes pulse {
            0% {
                transform: translate(-50%, -50%) scale(1);
                opacity: 1;
            }
            100% {
                transform: translate(-50%, -50%) scale(1.5);
                opacity: 0;
            }
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-20px);
            }
        }
        
        .floating {
            animation: float 5s ease-in-out infinite;
        }
        
        /* 响应式设计 - 公共部分 */
        @media (max-width: 768px) {
            .container {
                padding: 0 1.5rem;
            }
            
            .nav-menu {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                height: 100vh;
                flex-direction: column;
                background-color: white;
                padding: 6rem 2rem 2rem;
                transition: var(--transition);
                box-shadow: var(--shadow-lg);
                z-index: 1000;
            }
            
            .nav-menu.active {
                right: 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .phone-link {
                display: none;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
            
            .footer-links-bottom {
                flex-direction: column;
                align-items: center;
                gap: 1rem;
            }
        }
        
        @media (max-width: 576px) {
            .phone-link {
                min-width: 180px;
                padding: 0.7rem 2rem;
                font-size: 0.9rem;
            }
        }