* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部样式 */
        header {
            background-color: #1a5f7a;
            color: white;
            padding: 20px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .logo i {
            font-size: 2.5rem;
            color: #57cc99;
        }
        
        .logo-text h1 {
            font-size: 1.8rem;
            margin-bottom: 5px;
        }
        
        .logo-text p {
            font-size: 0.9rem;
            opacity: 0.9;
        }
        
        .nav-menu {
            display: flex;
            gap: 25px;
            list-style: none;
        }
        
        .nav-menu a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            transition: color 0.3s;
        }
        
        .nav-menu a:hover, .nav-menu a.active {
            color: #57cc99;
        }
        
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: #57cc99;
            border-radius: 2px;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* 主要内容区 */
        .main-content {
            padding: 40px 0;
            min-height: calc(100vh - 300px);
        }
        
        .page-title {
            display: flex;
            align-items: center;
            margin-bottom: 30px;
            color: #1a5f7a;
            padding-bottom: 15px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .page-title i {
            margin-right: 15px;
            font-size: 1.8rem;
        }
        
        .page-title h2 {
            font-size: 1.8rem;
        }
        
        /* 搜索区域 */
        .search-section {
            background-color: white;
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
            margin-bottom: 40px;
        }
        
        .search-box {
            display: flex;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .search-input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid #1a5f7a;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
        }
        
        .search-btn {
            background-color: #1a5f7a;
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: 500;
            transition: background-color 0.3s;
        }
        
        .search-btn:hover {
            background-color: #144a60;
        }
        
        .search-example {
            margin-top: 15px;
            text-align: center;
            color: #666;
            font-size: 0.9rem;
        }
        
        /* 站点介绍 */
        .site-intro {
            background-color: #f0f7ff;
            padding: 25px;
            border-radius: 8px;
            margin-bottom: 40px;
            color: #333;
            line-height: 1.7;
            text-align: center;
        }
        
        /* 年鉴列表 - 左右两列布局 */
        .yearbooks-section {
            margin-bottom: 40px;
        }
        
        .section-title {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
            color: #1a5f7a;
            font-size: 1.5rem;
        }
        
        .section-title i {
            margin-right: 10px;
            color: #57cc99;
        }
        
        /* 两列布局 - 始终左右两列 */
        .yearbook-list {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        
        .yearbook-item {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            border-left: 4px solid white;
        }
        
        .yearbook-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }
        
        .yearbook-content {
            display: flex;
            padding: 25px;
            align-items: center;
        }
        
        /* 左侧封皮图片区域 - 缩小到60% */
        .yearbook-cover {
            flex: 0 0 120px; /* 原200px的60% = 120px */
            margin-right: 25px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .cover-image {
            width: 100%;
            height: 180px; /* 原300px的60% = 180px */
            background-color: #f0f7ff;
            border-radius: 6px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid #e0e0e0;
            position: relative;
        }
        
        /* 确保4:6比例 */
        .cover-image::before {
            content: "";
            display: block;
            padding-top: 150%; /* 4:6比例 */
        }
        
        .cover-image img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .cover-placeholder {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #666;
            text-align: center;
            padding: 20px;
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }
        
        .cover-placeholder i {
            font-size: 2.5rem; /* 缩小图标以适应新尺寸 */
            color: #1a5f7a;
            margin-bottom: 10px;
        }
        
        /* 右侧内容区域 - 调整高度以匹配新图片尺寸 */
        .yearbook-info {
            flex: 1;
            height: 180px; /* 与图片高度一致 */
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .yearbook-name {
            color: #1a5f7a;
            margin-bottom: 15px;
            font-size: 1.4rem;
        }
        
        .yearbook-name a {
            color: #1a5f7a;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .yearbook-name a:hover {
            color: #144a60;
            text-decoration: underline;
        }
        
        .yearbook-desc {
            color: #555;
            line-height: 1.7;
            max-height: 120px; /* 调整描述高度以适应新布局 */
            overflow: hidden;
            position: relative;
        }
        
        .yearbook-desc::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 100%;
            height: 20px;
            background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,1) 70%);
        }
        
        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 40px;
            gap: 10px;
        }
        
        .pagination a, .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 10px;
            background-color: white;
            border: 1px solid #ddd;
            border-radius: 4px;
            color: #333;
            text-decoration: none;
            font-size: 0.95rem;
            transition: all 0.3s;
        }
        
        .pagination a:hover {
            background-color: #f0f7ff;
            border-color: #1a5f7a;
            color: #1a5f7a;
        }
        
        .pagination .active {
            background-color: #1a5f7a;
            border-color: #1a5f7a;
            color: white;
        }
        
        .pagination .prev, .pagination .next {
            min-width: 80px;
        }
        
        .pagination .disabled {
            color: #aaa;
            background-color: #f5f5f5;
            cursor: not-allowed;
            pointer-events: none;
        }
        
        /* 侧边栏样式 */
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
        }
        
        .sidebar {
            margin-bottom: 40px;
        }
        
        .sidebar-section {
            background-color: white;
            border-radius: 8px;
            padding: 25px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            margin-bottom: 30px;
        }
        
        .sidebar-title {
            color: #1a5f7a;
            margin-bottom: 20px;
            font-size: 1.2rem;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .year-list {
            list-style: none;
        }
        
        .year-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #eee;
        }
        
        .year-list li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .year-list a {
            color: #333;
            text-decoration: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color 0.3s;
        }
        
        .year-list a:hover {
            color: #1a5f7a;
        }
        
        .year-list .year {
            color: #666;
            font-size: 0.9rem;
        }
        
        .bulletin-list {
            list-style: none;
        }
        
        .bulletin-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #eee;
            counter-increment: bulletin-counter;
            position: relative;
            padding-left: 25px;
        }
        
        .bulletin-list li:before {
            content: counter(bulletin-counter) ".";
            position: absolute;
            left: 0;
            color: #1a5f7a;
            font-weight: bold;
        }
        
        .bulletin-list a {
            color: #333;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .bulletin-list a:hover {
            color: #1a5f5e;
            text-decoration: underline;
        }
        
        /* 页脚样式 */
        footer {
            background-color: #2c3e50;
            color: #ecf0f1;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        
        .footer-section h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: #57cc99;
        }
        
        .footer-section p, .footer-section a {
            color: #bdc3c7;
            margin-bottom: 10px;
            display: block;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-section a:hover {
            color: #57cc99;
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        
        /* SEO优化相关样式 */
        .breadcrumb {
            margin-bottom: 20px;
            font-size: 0.9rem;
            color: #666;
        }
        
        .breadcrumb a {
            color: #1a5f7a;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        
        .breadcrumb span {
            margin: 0 8px;
        }
        
        /* 移动端适配 */
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr;
            }
            
            .yearbook-cover {
                flex: 0 0 96px; /* 120px的80% */
                margin-right: 20px;
            }
            
            .cover-image {
                height: 144px; /* 180px的80% */
            }
            
            .yearbook-info {
                height: 144px;
            }
            
            .yearbook-desc {
                max-height: 100px;
            }
            
            .cover-placeholder i {
                font-size: 2rem;
            }
        }
        
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .logo {
                margin-bottom: 20px;
            }
            
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0;
                margin-top: 15px;
            }
            
            .nav-menu.show {
                display: flex;
            }
            
            .nav-menu li {
                width: 100%;
            }
            
            .nav-menu a {
                display: block;
                padding: 12px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            
            .mobile-menu-btn {
                display: block;
                position: absolute;
                top: 25px;
                right: 20px;
            }
            
            /* 移动端保持左右两列布局 */
            .yearbook-content {
                flex-direction: row;
                padding: 20px;
                align-items: stretch;
            }
            
            .yearbook-cover {
                flex: 0 0 72px; /* 120px的60% */
                margin-right: 15px;
            }
            
            .cover-image {
                height: 108px; /* 180px的60% */
            }
            
            .yearbook-info {
                height: 108px;
            }
            
            .yearbook-desc {
                max-height: 60px;
                font-size: 0.95rem;
            }
            
            .cover-placeholder i {
                font-size: 1.5rem;
                margin-bottom: 5px;
            }
            
            .cover-placeholder div {
                font-size: 0.8rem;
            }
            
            .yearbook-name {
                font-size: 1.2rem;
                margin-bottom: 10px;
            }
            
            .search-box {
                flex-direction: column;
            }
            
            .search-input {
                border-radius: 8px;
                margin-bottom: 10px;
            }
            
            .search-btn {
                border-radius: 8px;
                padding: 15px;
            }
            
            .page-title h2 {
                font-size: 1.5rem;
            }
            
            /* 移动端分页调整 */
            .pagination {
                flex-wrap: wrap;
                gap: 8px;
            }
            
            .pagination a, .pagination span {
                min-width: 32px;
                height: 32px;
                font-size: 0.9rem;
                padding: 0 8px;
            }
            
            .pagination .prev, .pagination .next {
                min-width: 70px;
            }
        }
        
        @media (max-width: 480px) {
            .footer-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            .yearbook-content {
                padding: 15px;
            }
            
            .yearbook-cover {
                flex: 0 0 60px; /* 120px的50% */
                margin-right: 12px;
            }
            
            .cover-image {
                height: 90px; /* 180px的50% */
            }
            
            .yearbook-info {
                height: 90px;
            }
            
            .yearbook-desc {
                max-height: 40px;
                font-size: 0.9rem;
            }
            
            .cover-placeholder i {
                font-size: 1.2rem;
                margin-bottom: 3px;
            }
            
            .cover-placeholder div {
                font-size: 0.7rem;
            }
            
            .yearbook-name {
                font-size: 1.1rem;
                margin-bottom: 8px;
            }
            
            /* 小屏幕分页进一步调整 */
            .pagination {
                gap: 5px;
            }
            
            .pagination a, .pagination span {
                min-width: 28px;
                height: 28px;
                font-size: 0.85rem;
                padding: 0 6px;
            }
            
            .pagination .prev, .pagination .next {
                min-width: 60px;
                font-size: 0.85rem;
            }
        }