        /* 公共CSS部分 */
        :root {
            --primary: #0066FF;
            --primary-dark: #0047CC;
            --secondary: #FF6B35;
            --accent: #00D4AA;
            --light: #F5FBFF;
            --dark: #1A2B3C;
            --gray: #8A9BA8;
            --gradient: linear-gradient(135deg, var(--primary), var(--accent));
            --gradient-secondary: linear-gradient(135deg, var(--secondary), #FF9E6D);
            --shadow: 0 10px 30px rgba(0, 102, 255, 0.15);
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Montserrat', sans-serif;
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: 100px 0;
            position: relative;
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }

        .section-title h2 {
            font-size: 42px;
            font-weight: 800;
            margin-bottom: 15px;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: inline-block;
        }

        .section-title p {
            font-size: 18px;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }

        .btn {
            display: inline-block;
            padding: 15px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .btn-primary {
            background: var(--gradient);
            color: white;
            box-shadow: var(--shadow);
        }

        .btn-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 102, 255, 0.3);
        }

        .btn-secondary {
            background: var(--gradient-secondary);
            color: white;
            box-shadow: var(--shadow);
        }

        .btn-secondary:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(255, 107, 53, 0.3);
        }

        /* 导航栏样式 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            width: 100%;
            z-index: 1000;
            top: 0;
            transition: var(--transition);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            display: flex;
            align-items: center;
        }

        .logo-text {
            font-size: 28px;
            font-weight: 800;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            position: relative;
        }

        .logo-text::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gradient);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.5s ease;
        }

        .logo:hover .logo-text::after {
            transform: scaleX(1);
            transform-origin: left;
        }

        nav ul {
            display: flex;
            list-style: none;
        }

        nav li {
            margin-left: 30px;
        }

        nav a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--gradient);
            transition: var(--transition);
            border-radius: 3px;
        }

        nav a:hover {
            color: var(--primary);
        }

        nav a:hover::after {
            width: 100%;
        }

        .phone {
            display: flex;
            align-items: center;
            background: var(--gradient);
            color: white;
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .phone:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 102, 255, 0.25);
        }

        .phone i {
            margin-right: 8px;
        }

        .mobile-menu {
            display: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--primary);
        }

        /* 底部样式 */
        footer {
            background: var(--dark);
            color: white;
            padding: 80px 0 30px;
            position: relative;
            overflow: hidden;
        }

        .footer-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0.05;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="2" fill="white"/></svg>') repeat;
            animation: float 20s infinite linear;
        }

        @keyframes float {
            0% { transform: translate(0, 0); }
            100% { transform: translate(-100px, -100px); }
        }

        .footer-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            position: relative;
            z-index: 1;
        }

        .footer-column h3 {
            font-size: 20px;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: #B0BEC5;
            text-decoration: none;
            transition: var(--transition);
            display: inline-block;
        }

        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(5px);
        }

        .contact-info {
            margin-bottom: 20px;
        }

        .contact-info p {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }

        .contact-info i {
            margin-right: 12px;
            color: var(--accent);
            width: 20px;
        }

        .qrcode {
            text-align: center;
        }

        .qrcode img {
            max-width: 150px;
            margin-bottom: 15px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 10px;
        }

        .friend-links a {
            color: #B0BEC5;
            text-decoration: none;
            transition: var(--transition);
            font-size: 14px;
        }

        .friend-links a:hover {
            color: var(--accent);
        }

        .copyright {
            text-align: center;
            margin-top: 60px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #90A4AE;
            font-size: 14px;
            position: relative;
            z-index: 1;
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .footer-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 80px);
                background-color: white;
                transition: var(--transition);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
                padding: 40px 20px;
            }

            nav.active {
                left: 0;
            }

            nav ul {
                flex-direction: column;
            }

            nav li {
                margin: 15px 0;
            }

            .mobile-menu {
                display: block;
            }

            .phone {
                display: none;
            }
        }

        @media (max-width: 576px) {
            .footer-container {
                grid-template-columns: 1fr;
            }
            
            .section-title h2 {
                font-size: 32px;
            }
        }
