/* 公共CSS - 导航与底部 */
        :root {
            --primary-color: #0a1a35;
            --secondary-color: #d4af37;
            --accent-color: #1e3a5f;
            --light-color: #f7fafc;
            --dark-color: #2d3748;
            --transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Helvetica Neue', Arial, sans-serif;
        }
        
        body {
            line-height: 1.6;
            color: #333;
            background-color: #fff;
            overflow-x: hidden;
        }
        
        /* 动态背景 */
        .dynamic-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            background: linear-gradient(135deg, #0a1a35 0%, #1e3a5f 50%, #0a1a35 100%);
            background-size: 400% 400%;
            animation: gradientShift 15s ease infinite;
        }
        
        @keyframes gradientShift {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        /* 导航栏样式 */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(10, 26, 53, 0.9);
            padding: 15px 0;
            z-index: 1000;
            transition: var(--transition);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(10px);
        }
        
        .navbar.scrolled {
            padding: 10px 0;
            background-color: rgba(10, 26, 53, 0.95);
        }
        
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo-text {
            font-size: 28px;
            font-weight: 800;
            color: var(--secondary-color);
            text-decoration: none;
            position: relative;
            overflow: hidden;
            padding: 5px 10px;
            border-radius: 5px;
            background: linear-gradient(45deg, #d4af37, #f7e98e, #d4af37);
            background-size: 200% 200%;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: logoGradient 3s ease infinite, logoPulse 2s ease-in-out infinite;
            text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
        }
        
        @keyframes logoGradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        @keyframes logoPulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        .logo-text::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
            animation: logoShine 3s infinite;
        }
        
        @keyframes logoShine {
            0% { left: -100%; }
            50% { left: 100%; }
            100% { left: 100%; }
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-item {
            margin-left: 30px;
            position: relative;
        }
        
        .nav-link {
            color: var(--light-color);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }
        
        .nav-link:hover {
            color: var(--secondary-color);
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }
        
        .nav-link:hover::after {
            width: 100%;
        }
        
        .phone-number {
            color: var(--secondary-color);
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            padding: 8px 15px;
            border: 2px solid var(--secondary-color);
            border-radius: 30px;
            transition: var(--transition);
            animation: phonePulse 2s infinite;
        }
        
        @keyframes phonePulse {
            0% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.4); }
            70% { box-shadow: 0 0 0 10px rgba(212, 175, 55, 0); }
            100% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0); }
        }
        
        .phone-number:hover {
            background-color: var(--secondary-color);
            color: var(--primary-color);
        }
        
        .hamburger {
            display: none;
            cursor: pointer;
        }
        
        .bar {
            display: block;
            width: 25px;
            height: 3px;
            margin: 5px auto;
            background-color: var(--light-color);
            transition: var(--transition);
        }
        
        /* 底部样式 */
        .footer {
            background-color: var(--primary-color);
            color: var(--light-color);
            padding: 80px 0 20px;
            position: relative;
            overflow: hidden;
        }
        
        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--secondary-color), transparent, var(--secondary-color));
            animation: footerShine 3s infinite;
        }
        
        @keyframes footerShine {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }
        
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        
        .footer-section h3 {
            font-size: 20px;
            margin-bottom: 20px;
            color: var(--secondary-color);
            position: relative;
        }
        
        .footer-section h3::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }
        
        .footer-section:hover h3::after {
            width: 80px;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
            position: relative;
            padding-left: 15px;
        }
        
        .footer-links li::before {
            content: '›';
            position: absolute;
            left: 0;
            color: var(--secondary-color);
        }
        
        .footer-links a {
            color: var(--light-color);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        
        .contact-info {
            list-style: none;
        }
        
        .contact-info li {
            margin-bottom: 15px;
            display: flex;
            align-items: flex-start;
        }
        
        .contact-info i {
            margin-right: 10px;
            color: var(--secondary-color);
        }
        
        .qrcode {
            text-align: center;
        }
        
        .qrcode img {
            max-width: 150px;
            border: 2px solid var(--secondary-color);
            border-radius: 5px;
            transition: var(--transition);
        }
        
        .qrcode img:hover {
            transform: scale(1.05);
            box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
        }
        
        .qrcode p {
            margin-top: 10px;
            font-size: 14px;
        }
        
        .friend-links {
            grid-column: 1 / -1;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        
        .friend-links h4 {
            margin-bottom: 15px;
            color: var(--secondary-color);
        }
        
        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        
        .friend-links-list li {
            margin-right: 20px;
            margin-bottom: 10px;
        }
        
        .friend-links-list a {
            color: var(--light-color);
            text-decoration: none;
            transition: var(--transition);
            padding: 5px 10px;
            border-radius: 3px;
        }
        
        .friend-links-list a:hover {
            color: var(--secondary-color);
            background-color: rgba(255,255,255,0.1);
        }
        
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media screen and (max-width: 992px) {
            .footer-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media screen and (max-width: 768px) {
            .hamburger {
                display: block;
            }
            
            .hamburger.active .bar:nth-child(2) {
                opacity: 0;
            }
            
            .hamburger.active .bar:nth-child(1) {
                transform: translateY(8px) rotate(45deg);
            }
            
            .hamburger.active .bar:nth-child(3) {
                transform: translateY(-8px) rotate(-45deg);
            }
            
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 70px;
                flex-direction: column;
                background-color: var(--primary-color);
                width: 100%;
                text-align: center;
                transition: var(--transition);
                box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
                padding: 20px 0;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-item {
                margin: 15px 0;
            }
            
            .phone-number {
                display: none;
            }
        }
        
        @media screen and (max-width: 576px) {
            .footer-container {
                grid-template-columns: 1fr;
            }
        }