:root {
    --primary-color: #0a3d62;
    --secondary-color: #1e5a8a;
    --accent-color: #0c6bcf;
    --gold-color: #d4af37;
    --light-color: #f8f9fa;
    --dark-color: #1a1a2e;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ed 100%);
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-color) 100%);
    color: white;
    padding: 15px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    border-bottom: 3px solid var(--gold-color);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.official-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 5px 15px;
    border-radius: 20px;
}

.official-badge i {
    color: var(--gold-color);
}

.contact-info {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    background: var(--gold-color);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
}

.logo-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.logo-text h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo-text p {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 5px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 15px;
    border-radius: 4px;
    position: relative;
}

nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

nav a.active {
    background-color: rgba(255, 255, 255, 0.15);
}

nav a.active::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gold-color);
}

/* 面包屑导航 */
.breadcrumb {
    background: white;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
}

.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.breadcrumb a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.breadcrumb span {
    color: #666;
}

/* 页面标题 */
.page-header {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.page-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.page-title h1 {
    font-size: 2.2rem;
    color: var(--primary-color);
    font-weight: 700;
}

.page-title p {
    font-size: 1.2rem;
    color: #666;
    max-width: 800px;
}

/* 搜索和筛选区域 */
.search-filter {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.search-box {
    display: flex;
    margin-bottom: 25px;
}

.search-box input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid #e1e5eb;
    border-radius: 10px 0 0 10px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.search-box input:focus {
    border-color: var(--accent-color);
    outline: none;
}

.search-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 0 30px;
    border-radius: 0 10px 10px 0;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: var(--primary-color);
}

.filter-options {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.filter-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e1e5eb;
    border-radius: 8px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
}

.filter-select:focus {
    border-color: var(--accent-color);
    outline: none;
}

/* 主要内容区 */
.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-bottom: 50px;
}

@media (max-width: 992px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 新闻列表 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.news-item {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    gap: 20px;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.news-image {
    width: 200px;
    height: 150px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-item:hover .news-image img {
    transform: scale(1.05);
}

.news-content {
    flex: 1;
}

.news-title {
    font-size: 1.4rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-title a:hover {
    color: var(--accent-color);
}

.news-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #666;
    font-size: 0.95rem;
}

.news-excerpt {
    color: #555;
    line-height: 1.6;
    margin-bottom: 15px;
}

.news-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.news-tag {
    background: #f0f5ff;
    color: var(--accent-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* 侧边栏 */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.sidebar-title {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
    font-weight: 700;
}

.news-categories {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.news-category {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.news-category:hover {
    background: #f0f5ff;
    border-color: var(--accent-color);
}

.news-category.active {
    background: #f0f5ff;
    border-color: var(--accent-color);
}

.news-category-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.news-category-info h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.news-category-info p {
    font-size: 0.9rem;
    color: #666;
}

.hot-news {
    list-style: none;
}

.hot-news li {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.hot-news li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.hot-news a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.hot-news a:hover {
    color: var(--primary-color);
}

.hot-news-date {
    font-size: 0.85rem;
    color: #888;
    margin-top: 5px;
}

.subscribe-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
    padding: 30px 25px;
}

.subscribe-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.subscribe-card p {
    margin-bottom: 25px;
    opacity: 0.9;
}

.subscribe-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.subscribe-input {
    padding: 12px 15px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
}

.subscribe-btn {
    background: var(--gold-color);
    color: var(--primary-color);
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.subscribe-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
}

.page-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #e1e5eb;
    border-radius: 8px;
    background: white;
    color: #666;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.page-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.page-dots {
    color: #999;
    font-weight: 600;
}

/* 底部 */
footer {
    background: var(--dark-color);
    color: white;
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h4 {
    margin-bottom: 25px;
    font-size: 1.3rem;
    font-weight: 600;
    position: relative;
    padding-bottom: 15px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: var(--accent-color);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-column a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
    font-size: 0.95rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        gap: 15px;
    }
    
    .contact-info {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .header-main {
        flex-direction: column;
        gap: 20px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .page-title {
        flex-direction: column;
        gap: 20px;
    }
    
    .news-item {
        flex-direction: column;
    }
    
    .news-image {
        width: 100%;
        height: 200px;
    }
    
    .filter-options {
        flex-direction: column;
    }
}