:root {
            --primary-dark: #0A2342;
            --primary: #1D3557;
            --primary-light: #457B9D;
            --accent: #C9A86B;
            --accent-light: #E6D2A9;
            --light: #F1FAEE;
            --text: #333333;
            --shadow-dark: 0 5px 15px rgba(0, 0, 0, 0.2);
            --shadow-light: 0 3px 10px rgba(0, 0, 0, 0.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        
        ul {
            list-style: none;
        }
        
        .container {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部和导航 */
        header {
            background: rgba(10, 35, 66, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-dark);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
            border-bottom: 1px solid rgba(201, 168, 107, 0.3);
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .logo-icon {
            width: 50px;
            height: 50px;
            background: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            font-size: 1.5rem;
            font-weight: bold;
        }
        
        .logo h1 {
            font-size: 2rem;
            color: var(--light);
            font-weight: 600;
            letter-spacing: 1px;
        }
        
        .logo span {
            color: var(--accent);
        }
        
        .nav-menu {
            display: flex;
            gap: 30px;
        }
        
        .nav-menu li {
            position: relative;
        }
        
        .nav-menu a {
            color: var(--light);
            font-weight: 500;
            padding: 10px 5px;
            letter-spacing: 0.5px;
        }
        
        .nav-menu a:hover {
            color: var(--accent);
        }
        
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            transition: width 0.3s;
        }
        
        .nav-menu a:hover::after {
            width: 100%;
        }
        
        .mobile-menu-btn {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--light);
        }
        
		     /* 底部 */
        footer {
            background: var(--primary-dark);
            color: var(--light);
            padding: 80px 0 30px;
            position: relative;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 50px;
            margin-bottom: 60px;
        }
        
        .footer-column h3 {
            font-size: 1.4rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 12px;
            font-weight: 600;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background-color: var(--accent);
        }
        
        .contact-info li {
            margin-bottom: 18px;
            display: flex;
            align-items: center;
        }
        
        .contact-info i {
            margin-right: 15px;
            color: var(--accent);
            font-size: 1.2rem;
        }
        
        .wechat-qr {
            text-align: center;
        }
        
        .wechat-qr img {
            max-width: 180px;
            border: 5px solid white;
            border-radius: 8px;
            box-shadow: var(--shadow-light);
        }
        
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .friend-links a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.3s;
            position: relative;
            padding: 5px 0;
        }
        
        .friend-links a:hover {
            color: var(--accent);
        }
        
        .friend-links a::after {
            content: '•';
            margin-left: 15px;
            color: rgba(255, 255, 255, 0.3);
        }
        
        .friend-links a:last-child::after {
            display: none;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.6);
        }