* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        :root {
            --primary: #27ae60;
            --primary-dark: #219653;
            --secondary: #2ecc71;
            --light: #f8f9fa;
            --dark: #2c3e50;
            --gray: #7f8c8d;
            --light-gray: #ecf0f1;
            --border: #e0e0e0;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
        }
        
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        
        a {
            text-decoration: none;
            color: var(--dark);
            transition: all 0.3s ease;
        }
        
        a:hover {
            color: var(--primary);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        .btn {
            display: inline-block;
            padding: 10px 24px;
            background: var(--primary);
            color: white;
            border-radius: 4px;
            font-weight: 600;
            text-align: center;
            cursor: pointer;
            border: none;
            transition: all 0.3s ease;
        }
        
        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
            color: white;
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        
        .btn-outline:hover {
            background: var(--primary);
            color: white;
        }
        
        /* 顶部导航 */
        .top-bar {
            background: white;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }
        
        .top-bar-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .top-links a {
            margin-right: 15px;
            color: var(--gray);
        }
        
        .top-links a:hover {
            color: var(--primary);
        }
        
        /* 主导航 */
        header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 50px;
            margin-right: 10px;
        }
        
        .logo-text {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
        }
        
        .logo-text span {
            color: var(--dark);
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-menu li {
            margin: 0 10px;
        }
        
        .nav-menu a {
            font-weight: 600;
            padding: 8px 0;
            position: relative;
        }
        
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--primary);
            transition: width 0.3s ease;
        }
        
        .nav-menu a:hover::after {
            width: 100%;
        }
        
        /* 搜索区域 */
        .search-section {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            padding: 60px 0 40px;
            color: white;
            text-align: center;
        }
        
        .search-section .logo-large {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
            display: block;
        }
        
        .search-section .logo-large span {
            color: var(--dark);
        }
        
        .search-section p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        
        .search-box {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            border-radius: 50px;
            overflow: hidden;
        }
        
        .search-box input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            font-size: 16px;
        }
        
        .search-box button {
            background: var(--dark);
            color: white;
            border: none;
            padding: 0 35px;
            font-size: 18px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .search-box button:hover {
            background: #1a252f;
        }
        
        /* 内容区域 */
        .content-section {
            padding: 50px 0;
            flex: 1;
        }
        
        .info-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-top: 40px;
        }
        
        .info-column h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--dark);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        
        .info-list {
            list-style: none;
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        
        .info-list li {
            padding: 15px 20px;
            border-bottom: 1px solid var(--border);
            transition: all 0.3s ease;
        }
        
        .info-list li:last-child {
            border-bottom: none;
        }
        
        .info-list li:hover {
            background: var(--light-gray);
            padding-left: 25px;
        }
        
        .info-list a {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .info-list .date {
            font-size: 0.85rem;
            color: var(--gray);
        }
        
        /* 底部区域 */
        footer {
            background: var(--dark);
            color: white;
            padding: 30px 0 15px;
            margin-top: auto;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        
        .footer-column h3 {
            font-size: 20px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--primary);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: #bdc3c7;
            display: block;
        }
        
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #95a5a6;
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
            }
            
            .info-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .search-section .logo-large {
                font-size: 2.8rem;
            }
        }
        
        @media (max-width: 768px) {
            .search-section {
                padding: 40px 0 30px;
            }
            
            .search-section .logo-large {
                font-size: 2.2rem;
            }
            
            .search-section p {
                font-size: 1rem;
            }
            
            .content-section {
                padding: 30px 0;
            }
        }
        
        @media (max-width: 576px) {
            .top-bar-content {
                flex-direction: column;
                gap: 10px;
            }
            
            .search-box {
                flex-direction: column;
                border-radius: 10px;
            }
            
            .search-box input {
                padding: 15px;
            }
            
            .search-box button {
                padding: 15px;
            }
            
            .nav-menu {
                display: none;
            }
            
            .search-section .logo-large {
                font-size: 1.8rem;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        
        /* 移动导航按钮 */
        .mobile-menu-btn {
            display: none;
            background: var(--primary);
            color: white;
            border: none;
            padding: 10px 15px;
            border-radius: 4px;
            font-size: 16px;
            cursor: pointer;
        }
        
        @media (max-width: 992px) {
            .mobile-menu-btn {
                display: block;
            }
        }