/* ===== 公共CSS部分 ===== */
        :root {
            --primary-color: #0A2463;
            --secondary-color: #D4AF37;
            --accent-color: #1E40AF;
            --light-color: #F8FAFC;
            --dark-color: #1E293B;
            --text-color: #334155;
            --gradient: linear-gradient(135deg, #0A2463, #1E40AF);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            --glow: 0 0 15px rgba(212, 175, 55, 0.5);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
            background: #f9fafb;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        section {
            padding: 80px 0;
            position: relative;
        }
        
        h1, h2, h3, h4 {
            color: var(--primary-color);
            margin-bottom: 20px;
            line-height: 1.3;
        }
        
        p {
            margin-bottom: 15px;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: var(--gradient);
            color: white;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }
        
        .btn:before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.5s;
        }
        
        .btn:hover:before {
            left: 100%;
        }
        
        .btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary-color);
            color: var(--secondary-color);
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }
        
        .section-title:after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--gradient);
            margin: 15px auto;
            border-radius: 2px;
            animation: widthPulse 2s infinite;
        }
        
        @keyframes widthPulse {
            0% { width: 80px; }
            50% { width: 120px; }
            100% { width: 80px; }
        }
        
        /* 导航栏样式 */
        header {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: var(--shadow);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        
        .logo-text {
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--secondary-color));
            background-size: 300% 300%;
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            animation: gradientShift 3s ease infinite;
        }
        
        @keyframes gradientShift {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
            position: relative;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }
        
        .nav-links a:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary-color);
            transition: width 0.3s ease;
        }
        
        .nav-links a:hover {
            color: var(--primary-color);
        }
        
        .nav-links a:hover:after {
            width: 100%;
        }
        
        .phone-link {
            color: var(--primary-color);
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            animation: pulsePhone 2s infinite;
        }
        
        @keyframes pulsePhone {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        .mobile-toggle {
            display: none;
            font-size: 24px;
            cursor: pointer;
        }
        
        /* 底部样式 */
        footer {
            background: var(--dark-color);
            color: white;
            padding: 60px 0 20px;
            position: relative;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            color: white;
            margin-bottom: 25px;
            font-size: 18px;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: #CBD5E1;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-links a:hover {
            color: var(--secondary-color);
        }
        
        .qrcode {
            width: 120px;
            height: 120px;
            background: white;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 10px;
            border-radius: 8px;
            animation: float 3s ease-in-out infinite;
        }
        
        @keyframes float {
            0% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0); }
        }
        
        .qrcode span {
            color: var(--dark-color);
            font-size: 12px;
            text-align: center;
        }
        
        .friend-links-section {
            padding: 30px 0;
            border-top: 1px solid #475569;
            border-bottom: 1px solid #475569;
            margin-bottom: 20px;
        }
        
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
        }
        
        .friend-links a {
            color: #CBD5E1;
            text-decoration: none;
            transition: all 0.3s ease;
            padding: 5px 10px;
            border-radius: 4px;
        }
        
        .friend-links a:hover {
            color: var(--secondary-color);
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            color: #94A3B8;
            font-size: 14px;
        }