.container {
    width: 1200px;
    margin: 0 auto;
}

.top-bar {
    height: 60px;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    float: left;
    display: flex;
    align-items: center;
    height: 60px;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.logo h1 {
    font-size: 20px;
    color: #333;
    font-weight: normal;
}

.user-info {
    float: right;
    line-height: 60px;
}

.login-box a {
    color: #666;
    text-decoration: none;
    margin: 0 5px;
}

.login-box a:hover {
    color: #007bff;
}

.hot-cities {
    margin-top: 80px;
    background: #fff;
    padding: 20px;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.section-title {
    font-size: 18px;
    color: #333;
    margin-bottom: 15px;
    position: relative;
    padding-left: 15px;
}

.section-title .icon-hot {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 16px;
    background: #ff6b6b;
    border-radius: 2px;
}

.city-item {
    display: inline-block;
    padding: 8px 20px;
    margin: 5px;
    background: #f5f5f5;
    border-radius: 4px;
    transition: all 0.3s;
    color: #666;
    text-decoration: none;
}

.city-item:hover {
    background: #e6e6e6;
    color: #007bff;
}

.city-regions {
    margin-top: 30px;
    background: #fff;
    padding: 20px;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.region-block {
    margin-bottom: 30px;
}

.region-title {
    font-size: 18px;
    color: #333;
    padding: 15px 0;
    border-bottom: 2px solid #f0f0f0;
}

.province-list {
    display: flex;
    flex-wrap: wrap;
    padding: 20px 0;
}

.province-item {
    width: 25%;
    margin-bottom: 20px;
    padding-right: 20px;
    box-sizing: border-box;
}

.province-item h3 {
    font-size: 16px;
    margin-bottom: 10px;
}

.province-item h3 a {
    color: #333;
    text-decoration: none;
    font-weight: bold;
}

.city-links {
    display: flex;
    flex-wrap: wrap;
}

.city-links a {
    color: #666;
    text-decoration: none;
    margin-right: 10px;
    margin-bottom: 8px;
    font-size: 14px;
}

.city-links a:hover {
    color: #007bff;
}

.news-section {
    margin-top: 30px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
}

.news-block {
    width: 48%;
    background: #fff;
    padding: 20px;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.news-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.news-list li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.news-list li:last-child {
    border-bottom: none;
}

.news-list a {
    text-decoration: none;
    color: #333;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-date {
    color: #999;
    margin-right: 10px;
    font-size: 14px;
}

.news-title {
    font-size: 14px;
}

.news-list a:hover .news-title {
    color: #007bff;
}

.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 40px;
    height: 40px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    display: none;
    text-align: center;
    line-height: 40px;
    transition: all 0.3s;
}

.back-to-top:hover {
    background: #f5f5f5;
    border-color: #ccc;
}

.footer {
    background: #f8f9fa;
    padding: 30px 0;
    margin-top: 50px;
}

.footer-nav {
    text-align: center;
    margin-bottom: 20px;
}

.footer-nav a {
    color: #666;
    text-decoration: none;
    margin: 0 15px;
    font-size: 14px;
}

.footer-nav a:hover {
    color: #007bff;
}

.copyright {
    text-align: center;
    color: #999;
    font-size: 12px;
}