/* 基本样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f7f8fa;
}
.red{color: red!important;}
/* 容器样式 */
.container {
    max-width: 1280px;
    margin: 0 auto;
}

/* 头部导航 */
.header {
    background-color: white;
    color: #333;
    padding: 16px 0;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    border-bottom: 1px solid #e8e8e8;
}

.logo h1 {
    font-size: 20px;
    font-weight: 600;
    color: #2a4cdc;
}

.nav ul {
    list-style: none;
    display: flex;
}

.nav ul li {
    margin-left: 32px;
}

.nav ul li a {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
}

.nav ul li a i {
    margin-right: 6px;
    font-size: 14px;
    color: #2a4cdc;
}

.nav ul li a:hover {
    color: #2a4cdc;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* 搜索区域 */
.search-section {
    background:  url('../images/help-banner.png');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.search-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(255,255,255,0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(255,255,255,0.05) 0%, transparent 50%);
    z-index: 1;
}

.search-section > .container {
    position: relative;
    z-index: 2;
}

.search-section h2 {
    font-size: 32px;
    margin-bottom: 24px;
    font-weight: 600;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.search-box {
    display: flex;
    max-width: 600px;
    margin: 0 auto 24px;
    background-color: white;
    border: 1px solid #e8e8e8;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.search-box input {
    flex: 1;
    padding: 12px 12px;
    font-size: 16px;
    border: none;
    outline: none;
    background-color: white;
}

.search-box input:focus {
    outline: none;
}

.search-box button {
    background-color: #2a4cdc;
    color: white;
    border: none;
    padding: 0 30px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 1px solid #2a4cdc;
}

.search-box button:hover {
    background-color: #4a67dc;
}

.search-tags {
    margin-top: 16px;
    text-align: center;
}

.search-tags span {
    margin-right: 3px;
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    font-weight: 500;
}

.search-tags a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    margin: 0 6px;
    padding: 4px 10px;
    background-color: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 14px;
    font-size: 13px;
    transition: all 0.3s ease;
}

.search-tags a:hover {
    background-color: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.4);
}

/* 主要内容 */
.main-content {
    padding: 48px 0 0 0;
}

.main-content .container {
    display: flex;
    gap: 32px;
}

/* 左侧分类 */
.sidebar {
    width: 280px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    padding: 24px;
    height: fit-content;
    position: sticky;
    top: 24px;
}

.category-group {
    margin-bottom: 30px;
    padding: 20px;
    border-radius: 8px;
    background-color: #f9f9f9;
    border-left: 4px solid #2a4cdc;
}

.category-group:last-child {
    margin-bottom: 0;
    background-color: #f5f5f5;
    border-left-color: #4a67dc;
}

.category-group h3 {
    font-size: 16px;
    margin-bottom: 20px;
    color: #262626;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.category-group h3::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #e8e8e8;
    margin-left: 16px;
}

.sidebar h3 {
    font-size: 16px;
    margin-bottom: 20px;
    color: #262626;
    font-weight: 600;
}

.category-list {
    list-style: none;
}

.category-item {
    margin-bottom: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.category-item:hover {
    background-color: #f5f5f5;
}

.category-item.active {
    background-color: #e5f2f8;
}

.category-item > span {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    color: #333;
    position: relative;
}

.category-item > span::after {
    content: '>';
    font-size: 12px;
    font-weight: bold;
    color: #2a4cdc;
    transition: transform 0.3s ease;
    position: absolute;
    right: 16px;
}

.category-item i {
    margin-right: 12px;
    color: #2a4cdc;
    font-size: 14px;
    width: 18px;
    text-align: center;
    flex-shrink: 0;
}

.category-item > span::after {
    content: '>';
    font-size: 12px;
    font-weight: bold;
    color: #2a4cdc;
    transition: transform 0.3s ease;
}

.category-item.active > span::after {
    transform: rotate(90deg);
}

.sub-category {
    list-style: none;
    padding-left: 30px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.category-item.active .sub-category {
    max-height:max-content
}

.sub-category li {
    margin-bottom: 4px;
}

.sub-category li a {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    color: #555;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.sub-category li a:hover {
    color: #2a4cdc;
    background-color: #f0f4ff;
}

/* 右侧内容 */
.content {
    flex: 1;
}

.featured-articles {
    margin-bottom: 48px;
}

.featured-articles h3,
.latest-articles h3,
.faq-section h3 {
    font-size: 18px;
    margin-bottom: 24px;
    color: #262626;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.featured-articles h3::after,
.latest-articles h3::after,
.faq-section h3::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #e8e8e8;
    margin-left: 16px;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.article-card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    padding: 15px;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    border-color: #e5f2f8;
}

.article-card h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: #262626;
    font-weight: 600;
    line-height: 1.4;
}

.article-card h4 a:hover {
    color: #2a4cdc;
    text-decoration: underline;
}

.article-card p {
    color: #666;
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.5;
}

.read-more {
    color: #2a4cdc;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
    font-size: 14px;
}

.read-more:hover {
    color: #4a67dc;
}

.read-more i {
    margin-left: 6px;
    transition: transform 0.3s ease;
    font-size: 12px;
}

.read-more:hover i {
    transform: translateX(4px);
}

.article-list {
    list-style: none;
}

.article-list li {
    margin-bottom: 12px;
}

.article-list li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: white;
    padding: 16px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.article-list li a:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    border-color: #e5f2f8;
}

.article-list li a h4 {
    font-size: 14px;
    margin-bottom: 4px;
    color: #262626;
    font-weight: 500;
}

.article-list li a p {
    color: #999;
    font-size: 12px;
}

/* 联系支持 */
.support-section {
    background-color: #ffffff;
    padding: 60px 0 80px 0;
    text-align: center;
    margin-top: 48px;
}

.support-section h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #262626;
    font-weight: 600;
}

.support-section p {
    margin-bottom: 32px;
    color: #666;
    font-size: 14px;
}

.support-options {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
    margin: 0 auto;
}

.support-item {
    background-color: #f5f5f5;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    padding: 32px;
    flex: 1;
    min-width: 0;
    width: 33.333%;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.support-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    border-color: #e5f2f8;
}

.support-item i {
    font-size: 32px;
    color: #2a4cdc;
    margin-bottom: 16px;
}

.support-item h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: #262626;
    font-weight: 600;
}

.support-item p {
    margin-bottom: 8px;
    color: #333;
    font-size: 14px;
}

/* 页脚 */
.footer {
    background-color: #f9f9f9;
    color: #333;
    padding: 50px 0 30px;
    border-top: 1px solid #e8e8e8;
    /* margin-top: 48px; */
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section {
    flex: 1;
    min-width: 220px;
}

.footer-section h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: #333;
    font-weight: 600;
    position: relative;
    padding-bottom: 8px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: #2a4cdc;
}

.footer-section p {
    color: #666;
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}

.footer-section ul li i {
    margin-right: 8px;
    color: #2a4cdc;
    font-size: 14px;
}

.footer-section ul li a {
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 14px;
    display: block;
}

.footer-section ul li a:hover {
    color: #2a4cdc;
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #f5f5f5;
    border-radius: 50%;
    color: #666;
    transition: all 0.3s ease;
    border: 1px solid #e8e8e8;
}

.social-links a:hover {
    background-color: #2a4cdc;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(42, 76, 220, 0.3);
}

.footer-bottom {
    text-align: center;
    /* padding-top: 30px; */
    /* border-top: 1px solid #e8e8e8; */
    color: #666;
    font-size: 13px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.footer-links a ,.footer-bottom p a{
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #2a4cdc;
}

/* 问题反馈弹窗 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 20px;
    color: #999;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background-color: #f5f5f5;
    color: #333;
}

.modal-title {
    color: #2a4cdc;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
    text-align: center;
    text-decoration: underline;
    text-decoration-color: #2a4cdc;
    text-decoration-thickness: 2px;
    text-underline-offset: 8px;
}

#feedback-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-field label {
    font-weight: 500;
    color: #333;
    font-size: 14px;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e8e8e8;
    border-radius: 4px;
    font-size: 14px;
    background-color: white;
    transition: all 0.3s ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: #2a4cdc;
    box-shadow: 0 0 0 2px rgba(42, 76, 220, 0.1);
}

.form-field textarea {
    height: 120px;
    resize: vertical;
}

#feedback-submit {
    width: 100%;
    padding: 12px;
    background-color: #2a4cdc;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#feedback-submit:hover {
    background-color: #4a67dc;
}

/* 企业微信二维码弹窗 */
.wechat-modal-content {
    text-align: center;
    max-width: 300px;
}

.wechat-qr {
    width: 200px;
    height: 200px;
    margin: 20px 0;
}

.wechat-text {
    font-size: 16px;
    color: #333;
    font-weight: 500;
    margin-top: 15px;
    margin-bottom: 20px;
}

/* 企业微信悬浮按钮 */
.chat-button {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    background-color: #2a4cdc;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(42, 76, 220, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
}

.chat-button:hover {
    transform: scale(1.05);
    background-color: #4a67dc;
    box-shadow: 0 6px 16px rgba(42, 76, 220, 0.5);
}

.chat-button i {
    font-size: 20px;
}
.list-content {
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            padding: 24px;
            border: 1px solid #f0f0f0;
        }
        
        .list-header {
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid #e8e8e8;
        }
        
        .list-header h1 {
            font-size: 20px;
            font-weight: 600;
            color: #262626;
            margin-bottom: 8px;
        }
        
        .list-header p {
            color: #666;
            font-size: 14px;
        }
        
        .article-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 8px;
        }
        
        .article-item {
            background-color: white;
            padding: 12px 16px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
            border: 1px solid #f0f0f0;
        }
        
        .article-item:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 16px rgba(0,0,0,0.12);
            border-color: #e6f7ff;
        }
        
        .article-info h3 {
            font-size: 14px;
            font-weight: 600;
            color: #262626;
            margin-bottom: 5px;
        }
        
        .article-info h3 a {
            color: #262626;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .article-info h3 a:hover {
            color: #2a4cdc;
        }
        
        .article-meta {
            display: flex;
            align-items: center;
            font-size: 13px;
            color: #999;
        }
        
        .article-meta span {
            margin-right: 16px;
        }
        
        .article-date {
            color: #999;
            font-size: 13px;
        }
        
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 32px;
            gap: 8px;
        }
        
        .pagination a {
            display: inline-block;
            padding: 3px 12px;
            border: 1px solid #e8e8e8;
            border-radius: 4px;
            color: #666;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .pagination a:hover {
            border-color: #2a4cdc;
            color: #2a4cdc;
        }
        
        .pagination a.active {
            background-color: #2a4cdc;
            border-color: #2a4cdc;
            color: white;
        }
        
        .breadcrumb {
            margin-bottom: 24px;
            font-size: 14px;
        }
        
        .breadcrumb a {
            color: #2a4cdc;
            text-decoration: none;
        }
        
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        
        .breadcrumb span {
            margin: 0 8px;
            color: #999;
        }
        .article-content {
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            padding: 32px;
            margin-bottom: 32px;
            border: 1px solid #f0f0f0;
        }
        
        .article-content h1 {
            font-size: 24px;
            font-weight: 600;
            color: #262626;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        
        .article-meta {
            display: flex;
            align-items: center;
            margin-bottom: 10px;
            font-size: 14px;
            color: #999;
            border-bottom: 1px solid #e8e8e8;
            padding-bottom: 10px;
        }
        
        .article-meta span {
            margin-right: 20px;
        }
        
        .article-body {
            line-height: 1.6;
            color: #333;
            padding: 15px 0;
        }
        
        .article-body h2 {
            font-size: 20px;
            font-weight: 600;
            color: #262626;
            margin: 32px 0 16px;
        }
        
        .article-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: #262626;
            margin: 24px 0 12px;
        }
        
        .article-body p {
            margin-bottom: 16px;
        }
        
        .article-body ul {
            margin: 16px 0;
            padding-left: 24px;
        }
        
        .article-body li {
            margin-bottom: 8px;
        }
        
        .related-articles {
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            padding: 24px;
            border: 1px solid #f0f0f0;
        }
        
        .related-articles h3 {
            font-size: 16px;
            font-weight: 600;
            color: #262626;
            margin-bottom: 16px;
        }
        
        .related-articles ul {
            list-style: none;
        }
        
        .related-articles li {
            margin-bottom: 5px;
        }
        
        .related-articles a {
            color: #2a4cdc;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }
        
        .related-articles a:hover {
            color: #4a67dc;
            text-decoration: underline;
        }
        
        .breadcrumb {
            margin-bottom: 24px;
            font-size: 14px;
        }
        
        .breadcrumb a {
            color: #2a4cdc;
            text-decoration: none;
        }
        
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        
        .breadcrumb span {
            margin: 0 8px;
            color: #999;
        }
/* 响应式设计 */
@media (max-width: 1280px) {
    .container {
        padding: 0 20px;
    }
}

@media (max-width: 992px) {
    .main-content .container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        margin-bottom: 30px;
        position: static;
    }

    .search-section {
        padding: 80px 0;
    }

    .search-section h2 {
        font-size: 30px;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        align-items: flex-start;
        padding: 0 20px;
    }

    .nav ul {
        margin-top: 15px;
    }

    .nav ul li {
        margin-left: 0;
        margin-right: 15px;
    }

    .search-section {
        padding: 60px 0;
    }

    .search-section h2 {
        font-size: 28px;
    }

    .search-box {
        max-width: 90%;
    }

    .search-box input {
        font-size: 16px;
        padding: 12px 15px;
    }

    .search-box button {
        padding: 0 20px;
    }

    .support-options {
        flex-direction: column;
        align-items: center;
    }

    .support-item {
        width: 100%;
        max-width: 400px;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-section {
        width: 100%;
        max-width: 400px;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 12px 0;
    }

    .logo h1 {
        font-size: 18px;
    }

    .nav ul li {
        margin-right: 10px;
    }

    .nav ul li a {
        font-size: 13px;
    }

    .search-section {
        padding: 40px 0;
    }

    .search-section h2 {
        font-size: 24px;
    }

    .search-box {
        flex-direction: column;
        max-width: 95%;
    }

    .search-box input {
        border-radius: 4px;
        margin-bottom: 10px;
        border: 1px solid #e8e8e8;
    }

    .search-box button {
        border-radius: 4px;
        border-left: none;
    }

    .search-tags {
        text-align: center;
    }

    .search-tags span {
        display: block;
        margin-bottom: 10px;
        text-align: center;
    }

    .article-item {
        flex-direction: column;
    }

    .pagination a {
        padding: 6px 10px;
        font-size: 13px;
    }

    .support-section {
        padding: 40px 0;
    }

    .support-item {
        padding: 24px;
    }

    .footer {
        padding: 32px 0 16px;
    }

    .chat-button {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }

    .chat-button i {
        font-size: 18px;
    }
}

/* 常见问题 */
.faq-section {
    margin-top: 48px;
}

.faq-list {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    padding: 24px;
    border: 1px solid #f0f0f0;
}

.faq-item {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.faq-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.faq-item h4 {
    font-size: 14px;
    margin-bottom: 12px;
    color: #262626;
    font-weight: 600;
    line-height: 1.4;
}

.faq-item h4 a:hover {
    color: #2a4cdc;
    text-decoration: underline;
}

.faq-item p {
    color: #666;
    line-height: 1.6;
    font-size: 14px;
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.article-card,
.support-item,
.faq-item {
    animation: fadeIn 0.5s ease forwards;
}

.article-card:nth-child(1) {
    animation-delay: 0.1s;
}

.article-card:nth-child(2) {
    animation-delay: 0.2s;
}

.article-card:nth-child(3) {
    animation-delay: 0.3s;
}

.article-card:nth-child(4) {
    animation-delay: 0.4s;
}

.article-card:nth-child(5) {
    animation-delay: 0.5s;
}

.article-card:nth-child(6) {
    animation-delay: 0.6s;
}

.support-item:nth-child(1) {
    animation-delay: 0.1s;
}

.support-item:nth-child(2) {
    animation-delay: 0.2s;
}

.support-item:nth-child(3) {
    animation-delay: 0.3s;
}

.faq-item:nth-child(1) {
    animation-delay: 0.1s;
}

.faq-item:nth-child(2) {
    animation-delay: 0.2s;
}

.faq-item:nth-child(3) {
    animation-delay: 0.3s;
}

.faq-item:nth-child(4) {
    animation-delay: 0.4s;
}