* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: Arial, "Microsoft YaHei", sans-serif;
        }
        
        body {
            display: flex;
            flex-direction: column;
            align-items: center;
            background-color: white;
            padding: 0;
        }
        
        .container {
            width: 100%;
            max-width: 1600px;
            background-color: white;
            padding: 0 15px;
        }
        
        /* 顶部工具条 */
        .top-toolbar {
            display: flex;
            justify-content: flex-end;
            align-items: center;
            padding: 10px 0;
            gap: 15px;
        }
        
        .search-box {
            display: flex;
            align-items: center;
        }
        
        .search-input {
            padding: 5px 10px;
            border: 1px solid #ddd;
            border-right: none;
            outline: none;
        }
        
        .search-button {
            padding: 5px 10px;
            background-color: #f5f5f5;
            border: 1px solid #ddd;
            cursor: pointer;
        }
        
        .header-image {
            width: 70%;
            height: 200px;
            background-color: #3498db;
            display: flex;
            justify-content: center;
            align-items: center;
            color: white;
            font-size: 24px;
            background-size: cover;
            background-position: center;
        }
        
        
        
        
        
        
        @media (max-width: 768px) {
            .header-image {
                width:101%;
                height: 80px;
            }
        }



        .header {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 15px 0;
            border-bottom: 2px solid #d00;
        }
        
        .logo {
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 300px;
            margin-bottom: 15px;
            text-align: center;
        }
        
        .logo-main {
            font-size: 28px;
            font-weight: bold;
            color: #d00;
            line-height: 1;
        }
        
        .logo-sub {
            font-size: 14px;
            color: black;
            margin-top: 5px;
        }
        
        .navbar {
            width: 100%;
        }
        
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            list-style: none;
            padding: 0;
        }
        
        .nav-item {
            width: 100px;
            position: relative;
            margin: 0 10px 5px;
            text-align: center;
        }
        
        .nav-item a{font-size: 18px;}




        .nav-link {
            display: block;
            padding: 8px 0;
            color: black;
            text-decoration: none;
            font-weight: bold;
            font-size: 14px;
            border-bottom: 2px solid transparent;
        }
        
        
        .nav-link:hover, .nav-link.active {
            color: #d00;
            border-bottom: 2px solid #d00;
        }
        
        .submenu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            background-color: white;
            min-width: 170px;
            list-style: none;
            z-index: 100;
            box-shadow: 0 3px 5px rgba(0,0,0,0.1);
            border: 1px solid #eee;
        }
        
        .nav-item:hover .submenu {
            display: block;
        }
        
        .submenu .nav-link {
            padding: 10px 15px;
            border-bottom: none;
        }
        .submenu li{
            width: 180px;
           
        }
        .submenu li a{ font-size: 16px;}
        
        @media (max-width: 768px) {
        .nav-item {
            width: 50px;
            position: relative;
            margin: 0 10px 5px;
            text-align: center;
        }
        
        .nav-item a{font-size: 10px;}
        .submenu li a{ font-size: 10px;}
        }
        
        
        
        
        
        
        /* 内容区域样式 */
        .content {
            display: flex;
            flex-direction: column;
            padding: 20px 0;
        }
        
        .main-content {
            width: 100%;
            margin-bottom: 30px;
        }
        
        /* 精选文章样式 */
        .featured-articles {
            margin-bottom: 40px;
        }
        
        .section-title {
            font-size: 18px;
            font-weight: bold;
            color: #d00;
            margin-bottom: 15px;
            padding-bottom: 5px;
            border-bottom: 1px solid #eee;
        }
        
        .article-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        
        .article-item {
            border: 1px solid #eee;
            padding: 10px;
            text-align: center;
        }
        
        .article-image {
            width: 100%;
            height: auto;
            background-color: #f5f5f5;
            margin-bottom: 10px;
            display: flex;
            justify-content: center;
            align-items: center;
            color: #999;
        }
        
        .article-title {
            font-size: 14px;
            font-weight: bold;
        }
        
        /* 期刊页面样式 */
        .journal-page {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
        }
        
        .journal-list {
            flex: 1;
            min-width: 300px;
        }
        
        .journal-detail {
            flex: 1;
            min-width: 300px;
        }
        
        .journal-item {
            margin-bottom: 30px;
            border-bottom: 1px solid #eee;
            padding-bottom: 20px;
        }
        
        .journal-cover {
            width: 100%;
            height: 180px;
            background-color: #f5f5f5;
            margin-bottom: 15px;
            display: flex;
            justify-content: center;
            align-items: center;
            color: #999;
            overflow: hidden;
        }
        
        .journal-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .journal-name {
            font-size: 18px;
            font-weight: bold;
            color: #333;
            margin-bottom: 10px;
        }
        
        .editor-info {
            font-size: 14px;
            color: #666;
            margin-bottom: 15px;
        }
        
        .journal-description {
            font-size: 14px;
            color: #333;
            margin-bottom: 15px;
        }
        
        .journal-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 10px;
        }
        
        .badge {
            padding: 3px 8px;
            background-color: #f0f0f0;
            border-radius: 3px;
            font-size: 12px;
            color: #555;
        }
        
        .detail-image {
            width: 100%;
            height: 200px;
            background-color: #f5f5f5;
            margin-bottom: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
            color: #999;
            overflow: hidden;
        }
        
        .detail-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .detail-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }
        
        .journal-title {
            font-size: 24px;
            font-weight: bold;
            color: #333;
            margin-bottom: 15px;
        }
        
        .detail-description {
            font-size: 14px;
            color: #333;
            margin-bottom: 20px;
        }
        
        .detail-info {
            font-size: 14px;
            color: #666;
            margin-bottom: 10px;
        }
        
        /* 侧边栏样式 */
        .sidebar {
            width: 100%;
            padding-left: 0;
            border-left: none;
        }
        
        .current-volume {
            background-color: #f9f9f9;
            padding: 15px;
            margin-bottom: 20px;
            text-align: center;
        }
        
        .volume-number {
            font-size: 36px;
            font-weight: bold;
            color: #d00;
            margin: 10px 0;
        }
        
        .btn {
            display: inline-block;
            padding: 8px 15px;
            background-color: #d00;
            color: white;
            text-decoration: none;
            border-radius: 3px;
            margin: 5px 0;
        }
        
        .published-contents {
            margin-bottom: 20px;
        }
        
        .content-actions {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }
        
        .action-btn {
            display: block;
            padding: 8px 15px;
            margin-bottom: 0;
            background-color: #f5f5f5;
            color: #333;
            text-decoration: none;
            text-align: center;
            border: 1px solid #ddd;
            border-radius: 3px;
        }
        
        /* 页脚样式 */
        .footer {
            background-color: #f5f5f5;
            color: #333;
            padding-top: 20px;
            border-top: 2px solid #d00;
            width:100%;
        }
        
        .footer-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            margin-bottom: 20px;
            justify-content: center;
        }
        
        .footer-menu-item {
            margin: 0 10px 10px;
        }
        
        .footer-menu-link {
            color: #333;
            text-decoration: none;
            font-weight: bold;
        }
        
        .footer-menu-link:hover {
            color: #d00;
        }
        
        .footer-submenu {
            list-style: none;
            margin-left: 20px;
            margin-top: 5px;
        }
        
        .footer-submenu-item {
            margin-bottom: 5px;
        }
        
        .footer-info {
            font-size: 14px;
            color: #666;
        }
        
        /* 精选文章卡片样式 */
        .editor-choice1 {
            margin: 25px 0;
        }
        
        .article-card1 {
            margin-bottom: 25px;
            padding: 15px;
            border: 1px solid #eee;
            transition: all 0.3s ease;
        }
        
        .article-card1:hover {
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            transform: translateY(-2px);
        }
        
        .article-type1 {
            font-size: 14px;
            font-weight: bold;
            margin-bottom: 5px;
            text-transform: uppercase;
            color: #d32f2f;
        }
        
        .open-access1 {
            font-size: 12px;
            color: #d32f2f;
            margin-bottom: 5px;
            font-weight: bold;
        }
        
        .doi1 {
            font-size: 12px;
            margin-bottom: 5px;
        }
        
        .article-title1 {
            font-size: 16px;
            font-weight: bold;
            margin-bottom: 8px;
            line-height: 1.3;
        }
        
        .volume-info1 {
            font-size: 12px;
            margin-bottom: 8px;
        }
        
        .authors1 {
            font-size: 13px;
            margin-bottom: 10px;
            font-style: italic;
        }
        
        .article-actions1 {
            display: flex;
            gap: 15px;
        }
        
        .action-link1 {
            font-size: 13px;
            color: #d32f2f;
            text-decoration: none;
            font-weight: bold;
        }
        
        .action-link1:hover {
            text-decoration: underline;
        }
        
        /* 响应式调整 */
        @media (min-width: 768px) {
            .header {
                flex-direction: row;
                align-items: center;
                padding: 15px 0;
            }
            .logo {
                flex-direction: column;
                align-items: flex-start;
                margin-right: 30px;
                margin-bottom: 0;
                text-align: left;
            }
            
            .navbar {
                flex-grow: 1;
            }
            
            .nav-menu {
                justify-content: flex-start;
                flex-wrap: nowrap;
            }
            
            .nav-item {
                margin: 0 15px 0 0;
            }
            
            .content {
                flex-direction: row;
            }
            
            .main-content {
                width: 70%;
                padding-right: 20px;
                margin-bottom: 0;
            }
            
            .article-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .sidebar {
                width: 30%;
                padding-left: 20px;
                border-left: 1px solid #eee;
            }
            
            .content-actions {
                display: flex;
                flex-direction: column;
                gap: 0;
            }
            
            .action-btn {
                margin-bottom: 8px;
            }
            
            .footer-menu {
                justify-content: flex-start;
            }
        }

/* 顶部工具栏样式 */
.top-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    padding: 8px 10px;
    gap: 10px;
}

/* 翻译工具样式 */
#translate {
    display: inline-block;
    margin-right: 5px;
}

/* 用户认证区域样式 */
.user-auth-area {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

/* 登录状态文字 */
.login-status-text {
    white-space: nowrap;
}

/* 按钮容器 */
.auth-buttons {
    display: flex;
    gap: 5px;
    align-items: center;
}

/* 小屏幕调整 */
@media (max-width: 768px) {
    .user-auth-area {
        flex-direction: column;
        align-items: flex-start;
        margin-top: 130px;
    }
    
    .auth-buttons {
        margin-top: 3px;
    }
}