        /* 添加 Font Awesome 图标支持 */
        @import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css');
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background: #0a1628;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .main-content {
            flex: 1;
            padding: 50px;
            color: #a8c4e0;
            text-align: center;
        }

        /* ========== 网站脚部开始 ========== */
        
        /* 合作伙伴滚动条 */
        .partners-bar {
            background: linear-gradient(90deg, #0d2137 0%, #1a3a5c 50%, #0d2137 100%);
            border-top: 2px solid #c9a227;
            border-bottom: 1px solid rgba(201, 162, 39, 0.3);
            padding: 30px 0;
            overflow: hidden;
        }

        .partners-title {
            text-align: center;
            color: #c9a227;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 3px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        /* 使用 Font Awesome 图标替代 Emoji */
        .partners-title::before {
            content: '\f0c0'; /* fa-users */
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            margin-right: 8px;
        }

        .partners-track {
            display: flex;
            gap: 60px;
            animation: scrollPartners 30s linear infinite;
            width: max-content;
        }

        @keyframes scrollPartners {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        .partner-logo {
            width: 120px;
            height: 50px;
            background: rgba(201, 162, 39, 0.1);
            border: 1px solid rgba(201, 162, 39, 0.3);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #7a9bc4;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s;
            text-decoration: none;
        }

        .partner-logo:hover {
            background: rgba(201, 162, 39, 0.2);
            border-color: #c9a227;
            color: #c9a227;
        }

        /* 主脚部区域 */
        .main-footer {
            background: linear-gradient(180deg, #0a1628 0%, #0d2137 100%);
            padding: 60px 0 30px;
            position: relative;
            overflow: hidden;
        }

        /* 装饰背景 */
        .main-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(ellipse at 20% 80%, rgba(26, 77, 140, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(201, 162, 39, 0.1) 0%, transparent 50%);
            pointer-events: none;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        /* Logo区域 */
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .footer-logo-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #1a4d8c 0%, #4da6ff 50%, #c9a227 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
            color: white;
            border: 2px solid #c9a227;
        }

        .footer-logo-text {
            font-size: 28px;
            font-weight: 900;
            background: linear-gradient(180deg, #4da6ff 0%, #1a4d8c 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-desc {
            color: #7a9bc4;
            font-size: 14px;
            line-height: 1.8;
            max-width: 300px;
        }

        /* 社交图标 - 使用 Font Awesome */
        .social-links {
            display: flex;
            gap: 12px;
            margin-top: 10px;
        }

        .social-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, rgba(26, 77, 140, 0.3) 0%, rgba(26, 77, 140, 0.1) 100%);
            border: 1px solid rgba(201, 162, 39, 0.3);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #c9a227;
            font-size: 18px;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
        }

        .social-icon:hover {
            background: linear-gradient(135deg, #c9a227 0%, #a08220 100%);
            color: #0d2137;
            border-color: #c9a227;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(201, 162, 39, 0.3);
        }

        /* 链接列 */
        .footer-column h4 {
            color: #c9a227;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: linear-gradient(90deg, #c9a227 0%, transparent 100%);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links li a {
            color: #7a9bc4;
            text-decoration: none;
            font-size: 14px;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 使用 CSS 箭头替代 Emoji */
.footer-links li a::before {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    border-left: 6px solid #c9a227;
    transition: transform 0.3s;
}
        .footer-links li a:hover {
            color: #c9a227;
            padding-left: 5px;
        }

        .footer-links li a:hover::before {
            transform: translateX(3px);
        }

        /* 订阅区域 */
        .footer-subscribe {
            background: linear-gradient(135deg, rgba(26, 77, 140, 0.2) 0%, rgba(201, 162, 39, 0.05) 100%);
            border: 1px solid rgba(201, 162, 39, 0.2);
            border-radius: 15px;
            padding: 25px;
        }

        .subscribe-title {
            color: white;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 使用 Font Awesome 铃铛图标 */
        .subscribe-title::before {
            content: '\f0f3'; /* fa-bell */
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: #c9a227;
        }

        .subscribe-text {
            color: #7a9bc4;
            font-size: 13px;
            margin-bottom: 15px;
            line-height: 1.5;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
        }

        .subscribe-input {
            flex: 1;
            padding: 12px 15px;
            background: rgba(13, 31, 60, 0.8);
            border: 1px solid rgba(201, 162, 39, 0.3);
            border-radius: 8px;
            color: white;
            font-size: 14px;
            outline: none;
            transition: all 0.3s;
        }

        .subscribe-input::placeholder {
            color: #5a7a9c;
        }

        .subscribe-input:focus {
            border-color: #c9a227;
            box-shadow: 0 0 10px rgba(201, 162, 39, 0.2);
        }

        .subscribe-btn {
            padding: 12px 20px;
            background: linear-gradient(135deg, #c9a227 0%, #a08220 100%);
            border: none;
            border-radius: 8px;
            color: #0d2137;
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
        }

        .subscribe-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(201, 162, 39, 0.4);
        }

        /* 底部信息栏 */
        .footer-bottom {
            border-top: 1px solid rgba(201, 162, 39, 0.2);
            padding-top: 30px;
            margin-top: 20px;
        }

        .footer-bottom-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .copyright {
            color: #5a7a9c;
            font-size: 13px;
        }

        .copyright strong {
            color: #c9a227;
        }

        .footer-bottom-links {
            display: flex;
            gap: 25px;
            list-style: none;
        }

        .footer-bottom-links a {
            color: #7a9bc4;
            text-decoration: none;
            font-size: 13px;
            transition: color 0.3s;
        }

        .footer-bottom-links a:hover {
            color: #c9a227;
        }

        /* 安全认证图标 */
        .security-badges {
            display: flex;
            gap: 15px;
        }

        .badge {
            width: 40px;
            height: 40px;
            background: rgba(201, 162, 39, 0.1);
            border: 1px solid rgba(201, 162, 39, 0.2);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #c9a227;
            font-size: 12px;
            font-weight: 700;
        }

        /* 返回顶部按钮 */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #1a4d8c 0%, #4da6ff 100%);
            border: 2px solid #c9a227;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0,0,0,0.3);
            z-index: 999;
            text-decoration: none;
        }

        .back-to-top:hover {
            background: linear-gradient(135deg, #c9a227 0%, #a08220 100%);
            color: #0d2137;
            transform: translateY(-5px);
        }

        /* 返回顶部图标 */
        .back-to-top::before {
            content: '\f077'; /* fa-chevron-up */
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
        }

        /* 响应式 */
        @media (max-width: 1200px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 15px;
            }
            .footer-grid > *:nth-child(1) { grid-column: 1; grid-row: 1; }
            .footer-grid > *:nth-child(2) { grid-column: 2; grid-row: 1; }
            .footer-grid > *:nth-child(3) { grid-column: 3; grid-row: 1; }
            .footer-grid > *:nth-child(4) { grid-column: 1; grid-row: 2; }
            .footer-grid > *:nth-child(5) { grid-column: 2; grid-row: 2; }
            .footer-brand {
                text-align: center;
            }
            .footer-desc {
                max-width: 100%;
                font-size: 12px;
            }
            .social-links {
                justify-content: center;
            }
            .footer-bottom-content {
                flex-direction: column;
                text-align: center;
            }
            .partners-track {
                gap: 30px;
            }
            .footer-column h4 {
                font-size: 14px;
            }
            .footer-links li a {
                font-size: 12px;
            }
            .footer-subscribe {
                width: 100% !important;
                max-width: 150px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .footer-column h4 {
                font-size: 12px;
            }
            .footer-links li a {
                font-size: 10px;
            }
            .subscribe-form {
                flex-direction: column;
            }
        }
