/* 公共样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
    color: #333;
    background-color: #fff;
    line-height: 1.5;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 !important;
}

a {
    text-decoration: none;
    color: #333;
    transition: color 0.3s;
}

a:hover {
    color: #205DC4;
}

/* 头部区域 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo img {
    height: 60px;
}

.search-login {
    display: flex;
    align-items: center;
}

.search-box {
    display: flex;
    border-radius: 4px;
    overflow: hidden;
    margin-right: 20px;
}

.search-box input {
    border: none;
    padding: 8px 12px;
    width: 200px;
    outline: none;
}

.search-box button {
    background-color: #205DC4;
    border: none;
    color: white;
    padding: 8px 15px;
    cursor: pointer;
}

.search-icon {
    display: inline-block;
    width: 16px;
    height: 16px;
    background: url('../images/search.png') no-repeat;
    background-size: contain;
}

.login-register a {
    color: #666;
    font-size: 14px;
}

/* 导航菜单 */
.main-nav {
    background-color: #205DC4;
    margin-bottom: 20px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    justify-content: space-around;
    padding: 0;
}

.main-nav ul li {
    position: relative;
}

.main-nav ul li a {
    display: block;
    color: white;
    padding: 15px 20px;
    text-align: center;
    font-size: 16px;
}

.main-nav ul li a:hover,
.main-nav ul li a.active {
    background-color: #16407e;
}

/* 页脚 */
.footer {
    background-color: #205DC4;
    color: #fff;
    padding: 40px 0 20px;
    margin-top: 30px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 15px;
}

.footer-info {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.footer-contact {
    flex: 0 0 30%;
    padding-right: 30px;
}

.footer-contact p {
    margin: 10px 0;
    font-size: 14px;
}

.footer-links {
    flex: 0 0 70%;
    display: flex;
    flex-wrap: wrap;
}

.footer-link-group {
    flex: 1;
    min-width: 150px;
    margin-bottom: 20px;
}

.footer-link-group h3 {
    font-size: 16px;
    margin-bottom: 15px;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
}

.footer-link-group h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: #fff;
}

.footer-link-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-link-group ul li {
    margin-bottom: 8px;
}

.footer-link-group ul li a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-link-group ul li a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 12px;
    color: #ccc;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .footer-contact {
        flex: 0 0 100%;
        padding-right: 0;
        margin-bottom: 20px;
    }
    
    .footer-links {
        flex: 0 0 100%;
    }
    
    .footer-link-group {
        flex: 0 0 50%;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
    }
    
    .main-nav ul li {
        flex: 0 0 25%;
    }
    
    .main-nav ul li a {
        padding: 10px;
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    .search-login {
        width: 100%;
        justify-content: space-between;
    }
    
    .search-box {
        flex: 1;
        margin-right: 10px;
    }
    
    .search-box input {
        width: 100%;
    }
    
    .main-nav ul li {
        flex: 0 0 33.333%;
    }
    
    .footer-link-group {
        flex: 0 0 100%;
    }
}

@media (max-width: 576px) {
    .main-nav ul li {
        flex: 0 0 50%;
    }
}