/* ========================================
   帮助中心 - 精简版CSS（仅包含使用的样式）
   ======================================== */

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.help-page {
    background: #f8f9fa;
    min-height: 100vh;
}

/* ========================================
   帮助中心头部样式
   ======================================== */

.help-header {
    background: #ffffff;
    border-bottom: 1px solid #e8e8e8;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.help-header-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

/* Logo区域 */
.help-header-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 16px;
}

.help-header-logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.help-header-logo img {
    height: 40px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.help-logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #1890ff;
    letter-spacing: -0.5px;
}

/* Logo分隔线 */
.help-header-divider {
    width: 1px;
    height: 24px;
    background: #e8e8e8;
}

/* 帮助中心标题 */
.help-header-title {
    font-size: 18px;
    font-weight: 600;
    color: #333333;
}

/* 占位元素 */
.help-header-spacer {
    flex: 1;
}

/* 右侧操作区 */
.help-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.help-action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.help-action-btn i {
    font-size: 16px;
}

.help-user-btn {
    color: #666666;
    border-color: #e8e8e8;
    background: #ffffff;
}

.help-user-btn:hover {
    border-color: #1890ff;
    color: #1890ff;
}

.help-register-btn {
    color: #666666;
    border-color: #e8e8e8;
    background: #ffffff;
}

.help-register-btn:hover {
    border-color: #1890ff;
    color: #1890ff;
}

.help-login-btn {
    background: #1890ff;
    color: #ffffff;
    border-color: #1890ff;
}

.help-login-btn:hover {
    background: #096dd9;
    border-color: #096dd9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.3);
    color: #ffffff;
}

/* 移动端菜单按钮 */
.help-mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #f8f9fa;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.help-mobile-menu-btn i {
    font-size: 18px;
    color: #666666;
}

.help-mobile-menu-btn:hover {
    background: #e6f7ff;
    border-color: #1890ff;
}

.help-mobile-menu-btn:hover i {
    color: #1890ff;
}

/* 移动端菜单 */
.help-mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid #e8e8e8;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 999;
}

.help-mobile-menu.active {
    max-height: 500px;
}

.help-mobile-menu-content {
    padding: 12px;
}

.help-mobile-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    color: #666666;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    margin-bottom: 4px;
}

.help-mobile-menu-item i {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.help-mobile-menu-item:hover {
    background: #f8f9fa;
    color: #1890ff;
}

.help-mobile-menu-item.active {
    background: #e6f7ff;
    color: #1890ff;
}

.help-mobile-menu-divider {
    height: 1px;
    background: #f0f0f0;
    margin: 8px 0;
}

/* ========================================
   帮助中心底部样式
   ======================================== */

.help-footer {
    background: #2c2c2c;
    color: #ffffff;
    padding: 40px 20px 24px;
    margin-top: 80px;
}

.help-footer-container {
    max-width: 1300px;
    margin: 0 auto;
}

/* 版权信息区 */
.help-footer-copyright {
    text-align: center;
}

.help-footer-text {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    margin: 0 0 12px 0;
    line-height: 1.6;
}

/* 备案信息 */
.help-footer-beian {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 12px;
}

.help-footer-beian-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.help-footer-beian-item:hover {
    color: #1890ff;
}

.help-footer-beian-item img {
    height: 14px;
    width: auto;
}

/* 技术支持 */
.help-footer-powered {
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
    margin: 0;
}

.help-footer-powered a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.help-footer-powered a:hover {
    color: #1890ff;
}

.help-footer-powered sup {
    font-size: 10px;
}

/* ========================================
   Hero 区域 - 搜索
   ======================================== */

.help-hero {
    background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
    padding: 80px 20px;
    text-align: center;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

/* 粒子动画容器 */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.help-hero-container {
    position: relative;
    z-index: 2;
}

.help-hero-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.help-hero-title {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.3;
}

.help-hero-subtitle {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 40px;
}

/* 搜索框 */
.help-search-box {
    display: flex;
    max-width: 600px;
    margin: 0 auto 30px;
    background: #ffffff;
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.help-search-input {
    flex: 1;
    border: none;
    padding: 16px 24px;
    font-size: 15px;
    outline: none;
    background: transparent;
}

.help-search-input::placeholder {
    color: #bfbfbf;
}

.help-search-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: #1890ff;
    color: #ffffff;
    border: none;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.help-search-btn:hover {
    background: #096dd9;
}

.help-search-btn i {
    font-size: 16px;
}

/* 热门标签 */
.help-hot-tags {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.help-hot-label {
    font-size: 14px;
    opacity: 0.8;
}

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

.help-tag {
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.help-tag:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

/* ========================================
   快捷入口
   ======================================== */

.help-quick-nav {
    background: #ffffff;
    padding: 40px 20px;
    border-bottom: 1px solid #e8e8e8;
}

.help-container {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.help-quick-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: #f8f9fa;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.help-quick-item:hover {
    background: #e6f7ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.help-quick-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1890ff;
    border-radius: 12px;
    flex-shrink: 0;
}

.help-quick-icon i {
    font-size: 28px;
    color: #ffffff;
}

.help-quick-text h3 {
    font-size: 18px;
    color: #333333;
    margin-bottom: 4px;
}

.help-quick-text p {
    font-size: 13px;
    color: #999999;
    margin: 0;
}

/* ========================================
   主内容区
   ======================================== */

.help-main {
    padding: 42px 0;
}

.help-main .help-container {
    display: block;
}

/* 区块样式 */
.help-section {
    margin-bottom: 60px;
}

.help-section:last-child {
    margin-bottom: 0;
}

.help-section-header {
    text-align: center;
    margin-bottom: 40px;
}

.help-section-title {
    font-size: 32px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 8px;
}

.help-section-desc {
    font-size: 15px;
    color: #999999;
    margin: 0;
}

/* ========================================
   常见问题
   ======================================== */

.help-problems-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.help-problem-category {
    background: #ffffff;
    border-radius: 12px;
    padding: 28px;
    border: 1px solid #e8e8e8;
    transition: all 0.3s ease;
}

.help-problem-category:hover {
    /* border-color: #1890ff; */
    /* box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08); */
}

.help-problem-category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid #f0f0f0;
}

.help-problem-category-header i {
    font-size: 20px;
    color: #1890ff;
}

.help-problem-category-header h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.help-problem-category-header h3 a {
    color: #333333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.help-problem-category-header h3 a:hover {
    color: #1890ff;
}

.help-problem-items {
    list-style: none;
    margin: 0;
    padding: 0;
}

.help-problem-items li {
    margin-bottom: 12px;
}

.help-problem-items li:last-child {
    margin-bottom: 0;
}

.help-problem-items li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 3px 12px;
    color: #666666;
    font-size: 15px;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.help-problem-items li a i {
    font-size: 14px;
    color: #bfbfbf;
    flex-shrink: 0;
}

.help-problem-items li a:hover {
    background: #f8f9fa;
    color: #1890ff;
}

.help-problem-items li a:hover i {
    color: #1890ff;
}

.help-problem-more {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #f0f0f0;
    text-align: center;
}

.help-problem-more a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #1890ff;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.help-problem-more a:hover {
    color: #096dd9;
}

.help-problem-more a i {
    font-size: 12px;
}
/* ========================================
   自助服务
   ======================================== */

.help-services-wrapper {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.help-service-item {
    background: #ffffff;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    padding: 28px 24px;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.help-service-item:hover {
    border-color: #1890ff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    /* transform: translateY(-4px); */
}

.help-service-icon-wrapper {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.help-service-item:hover .help-service-icon-wrapper {
    transform: scale(1.1);
}

.help-service-icon-wrapper i {
    font-size: 32px;
    color: #ffffff;
}

.help-service-name {
    font-size: 16px;
    font-weight: 600;
    color: #333333;
    margin: 0 0 8px 0;
}

.help-service-description {
    font-size: 13px;
    color: #999999;
    line-height: 1.6;
    margin: 0 0 16px 0;
    min-height: 40px;
}

.help-service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #1890ff;
    font-size: 13px;
    font-weight: 500;
}

.help-service-link i {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.help-service-item:hover .help-service-link i {
    transform: translateX(4px);
}

/* ========================================
   问题汇总页面
   ======================================== */

.help-problem-page {
    padding: 40px 20px 60px;
    background: #f8f9fa;
}

.help-problem-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

/* 左侧分类菜单 */
.help-problem-sidebar {
    width: 260px;
    flex-shrink: 0;
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e8e8e8;
    overflow: hidden;
    position: sticky;
    top: 20px;
}

.help-sidebar-title {
    padding: 20px 24px;
    font-size: 18px;
    font-weight: 600;
    color: #3a3535;
    background: #eaeaea;
    border-bottom: 1px solid #e8e8e8;
}

.help-category-menu {
    padding: 12px 0;
}

.help-category-item {
    margin-bottom: 4px;
}

.help-category-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.help-category-header:hover {
    background: #f8f9fa;
}

.help-category-header > i:first-child {
    font-size: 16px;
    color: #9ea1a4;
    flex-shrink: 0;
}

.help-category-header > span {
    flex: 1;
    font-size: 15px;
    font-weight: 500;
    color: #333333;
}

.help-category-arrow {
    font-size: 12px;
    color: #999999;
    transition: transform 0.3s ease;
}

.help-category-item.active .help-category-arrow {
    transform: rotate(180deg);
}

.help-category-children {
    display: none;
    background: #fafafa;
    padding: 8px 0;
}

.help-category-item.active .help-category-children {
    display: block;
}

.help-category-child {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px 10px 50px;
    color: #666666;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.help-category-child i {
    font-size: 12px;
    color: #bfbfbf;
}

.help-category-child:hover {
    background: #f0f0f0;
    color: #1890ff;
}

.help-category-child:hover i {
    color: #1890ff;
}

.help-category-child.active {
    background: #ffffff;
    color: #010101;
    font-weight: 500;
}

.help-category-child.active i {
    color: #181818;
}

.help-category-child.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #767676;
}

/* 右侧内容区 */
.help-problem-content {
    flex: 1;
    min-width: 0;
}

/* 搜索结果提示 */
.help-search-result {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: #e6f7ff;
    border: 1px solid #91d5ff;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    color: #666666;
}

.help-search-result i {
    font-size: 16px;
    color: #1890ff;
}

.help-search-keyword {
    color: #1890ff;
    font-weight: 600;
}

.help-search-count {
    color: #1890ff;
    font-weight: 600;
}

/* 排序标签 */
.help-problem-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.help-problem-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #ffffff;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    font-size: 14px;
    color: #666666;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

.help-problem-tab i {
    font-size: 14px;
}

.help-problem-tab:hover {
    border-color: #1890ff;
    color: #1890ff;
}

.help-problem-tab.active {
    background: #1890ff;
    border-color: #1890ff;
    color: #ffffff;
}

/* 问题列表 */
.help-problem-list {
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e8e8e8;
    overflow: hidden;
}

.help-problem-list-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.help-problem-list-item:last-child {
    border-bottom: none;
}

.help-problem-list-item:hover {
    background: #f8f9fa;
}

.help-problem-list-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e6f7ff;
    border-radius: 8px;
    flex-shrink: 0;
}

.help-problem-list-icon i {
    font-size: 18px;
    color: #1890ff;
}

.help-problem-list-main {
    flex: 1;
    min-width: 0;
}

.help-problem-list-title {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 500;
}

.help-problem-list-title a {
    color: #333333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.help-problem-list-title a:hover {
    color: #1890ff;
}

.help-problem-list-meta {
    display: flex;
    align-items: center;
    gap: 16px;
}

.help-problem-list-time {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #999999;
}

.help-problem-list-time i {
    font-size: 12px;
}

.help-problem-list-arrow {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 50%;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.help-problem-list-arrow i {
    font-size: 14px;
    color: #bfbfbf;
    transition: all 0.3s ease;
}

.help-problem-list-item:hover .help-problem-list-arrow {
    background: #1890ff;
}

.help-problem-list-item:hover .help-problem-list-arrow i {
    color: #ffffff;
    transform: translateX(2px);
}

/* 分页 */
.help-pagination {
    margin-top: 24px;
    display: flex;
    justify-content: center;
}

.help-pagination .pagination {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.help-pagination .pagination li {
    margin: 0;
}

.help-pagination .pagination li a,
.help-pagination .pagination li span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    background: #ffffff;
    border: 1px solid #e8e8e8;
    border-radius: 6px;
    color: #666666;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.help-pagination .pagination li a:hover {
    border-color: #1890ff;
    color: #1890ff;
}

.help-pagination .pagination li.active span,
.help-pagination .pagination .active > span {
    background: #1890ff;
    border-color: #1890ff;
    color: #ffffff;
}

.help-pagination .pagination li.disabled a,
.help-pagination .pagination li.disabled span {
    color: #bfbfbf;
    cursor: not-allowed;
}

.help-pagination .pagination li.disabled a:hover {
    border-color: #e8e8e8;
    color: #bfbfbf;
}

/* 空状态 */
.help-empty-state {
    padding: 80px 20px;
    text-align: center;
}

.help-empty-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 50%;
}

.help-empty-icon i {
    font-size: 60px;
    color: #d9d9d9;
}

.help-empty-text {
    font-size: 18px;
    font-weight: 500;
    color: #666666;
    margin-bottom: 8px;
}

.help-empty-desc {
    font-size: 14px;
    color: #999999;
}

/* ========================================
   问题详情页面
   ======================================== */

/* 面包屑导航 */
.help-breadcrumb-simple {
    background: #ffffff;
    border-bottom: 1px solid #e8e8e8;
    padding: 16px 0;
}

.help-breadcrumb-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.help-breadcrumb-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #666666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.help-breadcrumb-link:hover {
    color: #1890ff;
}

.help-breadcrumb-link i {
    font-size: 14px;
}

.help-breadcrumb-separator {
    font-size: 12px;
    color: #bfbfbf;
}

.help-breadcrumb-current {
    color: #333333;
    font-weight: 500;
}

/* 详情页面主容器 */
.help-detail-page {
    padding: 40px 20px 60px;
    background: #f8f9fa;
}

.help-detail-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

/* 右侧详情内容 */
.help-detail-content {
    flex: 1;
    min-width: 0;
}

/* 返回按钮 */
.help-detail-back {
    margin-bottom: 20px;
}

.help-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #ffffff;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    color: #666666;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.help-back-btn:hover {
    border-color: #1890ff;
    color: #1890ff;
}

.help-back-btn i {
    font-size: 14px;
}

/* 文章主体 */
.help-detail-article {
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e8e8e8;
    padding: 40px;
    margin-bottom: 24px;
}

/* 文章头部 */
.help-detail-header {
    padding-bottom: 24px;
    border-bottom: 2px solid #f0f0f0;
    margin-bottom: 32px;
}

.help-detail-title {
    font-size: 28px;
    font-weight: 600;
    color: #333333;
    line-height: 1.4;
    margin: 0 0 16px 0;
}

.help-detail-meta {
    display: flex;
    align-items: center;
    gap: 20px;
}

.help-detail-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: #999999;
}

.help-detail-meta-item i {
    font-size: 14px;
}

/* 文章内容 */
.help-detail-body {
    font-size: 16px;
    line-height: 1.8;
    color: #333333;
}

.help-detail-body p {
    margin: 0 0 16px 0;
}

.help-detail-body p:last-child {
    margin-bottom: 0;
}

.help-detail-body h1,
.help-detail-body h2,
.help-detail-body h3,
.help-detail-body h4,
.help-detail-body h5,
.help-detail-body h6 {
    margin: 24px 0 16px 0;
    font-weight: 600;
    color: #333333;
    line-height: 1.4;
}

.help-detail-body h1 {
    font-size: 24px;
}

.help-detail-body h2 {
    font-size: 22px;
}

.help-detail-body h3 {
    font-size: 20px;
}

.help-detail-body h4 {
    font-size: 18px;
}

.help-detail-body ul,
.help-detail-body ol {
    margin: 16px 0;
    padding-left: 24px;
}

.help-detail-body li {
    margin: 8px 0;
}

.help-detail-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 16px 0;
    display: block;
}

.help-detail-body a {
    color: #1890ff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.help-detail-body a:hover {
    color: #096dd9;
    text-decoration: underline;
}

.help-detail-body code {
    padding: 2px 6px;
    background: #f5f5f5;
    border: 1px solid #e8e8e8;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: #e83e8c;
}

.help-detail-body pre {
    padding: 16px;
    background: #f5f5f5;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    overflow-x: auto;
    margin: 16px 0;
}

.help-detail-body pre code {
    padding: 0;
    background: none;
    border: none;
    color: #333333;
}

.help-detail-body blockquote {
    margin: 16px 0;
    padding: 12px 20px;
    background: #f8f9fa;
    border-left: 4px solid #1890ff;
    color: #666666;
}

.help-detail-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}

.help-detail-body table th,
.help-detail-body table td {
    padding: 12px;
    border: 1px solid #e8e8e8;
    text-align: left;
}

.help-detail-body table th {
    background: #f8f9fa;
    font-weight: 600;
}

/* 相关问题 */
.help-related-problems {
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e8e8e8;
    padding: 28px;
    margin-bottom: 24px;
}

.help-related-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid #f0f0f0;
}

.help-related-header i {
    font-size: 20px;
    color: #ff9d18;
}

.help-related-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333333;
    margin: 0;
}

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

.help-related-item {
    margin-bottom: 2px;
}

.help-related-item:last-child {
    margin-bottom: 0;
}

.help-related-item a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 16px;
    /* background: #f8f9fa; */
    border-radius: 5px;
    color: #666666;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.help-related-item a > i:first-child {
    font-size: 14px;
    color: #ff8d18;
    flex-shrink: 0;
}

.help-related-item a > span {
    flex: 1;
}

.help-related-item a > i:last-child {
    font-size: 12px;
    color: #bfbfbf;
    flex-shrink: 0;
}

.help-related-item a:hover {
    background: #ededed;
    color: #ff7518;
}

.help-related-item a:hover i {
    color: #ff1818;
}

/* 帮助反馈 */
.help-feedback {
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e8e8e8;
    padding: 32px;
    text-align: center;
}

.help-feedback-title {
    font-size: 18px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 20px;
}

.help-feedback-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
}

.help-feedback-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    background: #f8f9fa;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    color: #666666;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.help-feedback-btn i {
    font-size: 16px;
}

.help-feedback-btn:hover {
    border-color: #1890ff;
    color: #1890ff;
}

.help-feedback-yes.active {
    background: #52c41a;
    border-color: #52c41a;
    color: #ffffff;
}

.help-feedback-no.active {
    background: #ff4d4f;
    border-color: #ff4d4f;
    color: #ffffff;
}

.help-feedback-contact {
    font-size: 14px;
    color: #999999;
}

.help-feedback-contact a {
    color: #1890ff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.help-feedback-contact a:hover {
    color: #096dd9;
    text-decoration: underline;
}

/* ========================================
   自助服务页面
   ======================================== */

.help-selfservice-page {
    padding: 60px 20px;
    background: #f8f9fa;
}

.help-selfservice-container {
    max-width: 1300px;
    margin: 0 auto;
}

.help-selfservice-section {
    margin-bottom: 60px;
}

.help-selfservice-section:last-child {
    margin-bottom: 0;
}

.help-selfservice-header {
    margin-bottom: 30px;
}

.help-selfservice-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 28px;
    font-weight: 600;
    color: #333333;
    margin: 0;
}

.help-selfservice-title i {
    font-size: 28px;
    color: #585858;
}

.help-selfservice-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.help-selfservice-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #ffffff;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    padding: 28px 24px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.help-selfservice-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: #1890ff;
    transition: height 0.3s ease;
}

.help-selfservice-card:hover {
    border-color: #1890ff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    /* transform: translateY(-4px); */
}

.help-selfservice-card:hover::before {
    height: 100%;
}

.help-selfservice-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1890ff 0%, #5cb1ff 100%);
    border-radius: 12px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.help-selfservice-card:hover .help-selfservice-icon {
    transform: scale(1.1) rotate(-5deg);
}

.help-selfservice-icon i {
    font-size: 32px;
    color: #ffffff;
}

.help-selfservice-content {
    flex: 1;
    min-width: 0;
}

.help-selfservice-name {
    font-size: 18px;
    font-weight: 600;
    color: #333333;
    margin: 0 0 8px 0;
}

.help-selfservice-desc {
    font-size: 14px;
    color: #999999;
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.help-selfservice-arrow {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 50%;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.help-selfservice-arrow i {
    font-size: 14px;
    color: #bfbfbf;
    transition: all 0.3s ease;
}

.help-selfservice-card:hover .help-selfservice-arrow {
    background: #1890ff;
}

.help-selfservice-card:hover .help-selfservice-arrow i {
    color: #ffffff;
    transform: translateX(4px);
}

/* ========================================
   响应式设计
   ======================================== */

/* 平板端 */
@media (max-width: 1024px) {
    .help-header-title {
        font-size: 16px;
    }

    .help-container {
        grid-template-columns: repeat(2, 1fr);
    }

    .help-services-wrapper {
        grid-template-columns: repeat(3, 1fr);
    }

    .help-problem-sidebar {
        width: 240px;
    }

    .help-selfservice-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .help-detail-article {
        padding: 32px;
    }
}

/* 手机端 */
@media (max-width: 768px) {
    /* 头部 */
    .help-header-container {
        height: 60px;
        padding: 0 16px;
    }

    .help-header-logo {
        gap: 12px;
    }

    .help-header-logo img {
        height: 32px;
    }

    .help-logo-text {
        font-size: 20px;
    }

    .help-header-divider {
        height: 20px;
    }

    .help-header-title {
        font-size: 15px;
    }

    .help-header-spacer,
    .help-header-actions {
        display: none;
    }

    .help-mobile-menu-btn {
        display: flex;
    }

    .help-mobile-menu {
        display: block;
        top: 60px;
    }

    /* Hero区域 */
    .help-hero {
        padding: 60px 20px;
    }

    .help-hero-title {
        font-size: 28px;
    }

    .help-hero-subtitle {
        font-size: 14px;
    }

    .help-search-box {
        flex-direction: column;
        border-radius: 12px;
    }

    .help-search-btn {
        justify-content: center;
        border-radius: 0 0 12px 12px;
    }

    /* 快捷入口 */
    .help-container {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .help-quick-nav {
        padding: 30px 20px;
    }

    /* 主内容区 */
    .help-main {
        padding: 40px 20px;
    }

    .help-section {
        margin-bottom: 40px;
    }

    .help-section-header {
        margin-bottom: 30px;
    }

    .help-section-title {
        font-size: 24px;
    }

    .help-problems-wrapper {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .help-services-wrapper {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .help-problem-category {
        padding: 20px;
    }

    .help-service-item {
        padding: 20px 16px;
    }

    /* 问题汇总页 */
    .help-problem-page {
        padding: 30px 16px 40px;
    }

    .help-problem-container {
        flex-direction: column;
        gap: 20px;
    }

    .help-problem-sidebar {
        width: 100%;
        position: static;
    }

    .help-problem-tabs {
        flex-wrap: wrap;
        gap: 8px;
    }

    .help-problem-tab {
        padding: 8px 16px;
        font-size: 13px;
    }

    .help-problem-list-item {
        padding: 16px;
        gap: 12px;
    }

    .help-problem-list-icon {
        width: 36px;
        height: 36px;
    }

    .help-problem-list-icon i {
        font-size: 16px;
    }

    .help-problem-list-title {
        font-size: 15px;
    }

    .help-search-result {
        padding: 12px 16px;
        font-size: 13px;
    }

    /* 问题详情页 */
    .help-detail-page {
        padding: 30px 16px 40px;
    }

    .help-detail-container {
        flex-direction: column;
        gap: 20px;
    }

    .help-detail-article {
        padding: 24px 20px;
    }

    .help-detail-title {
        font-size: 24px;
    }

    .help-detail-body {
        font-size: 15px;
    }

    .help-related-problems {
        padding: 20px;
    }

    .help-feedback {
        padding: 24px 20px;
    }

    .help-feedback-actions {
        flex-direction: column;
        gap: 12px;
    }

    .help-feedback-btn {
        width: 100%;
        justify-content: center;
    }

    /* 自助服务页 */
    .help-selfservice-page {
        padding: 40px 20px;
    }

    .help-selfservice-section {
        margin-bottom: 40px;
    }

    .help-selfservice-header {
        margin-bottom: 24px;
    }

    .help-selfservice-title {
        font-size: 24px;
    }

    .help-selfservice-title i {
        font-size: 24px;
    }

    .help-selfservice-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .help-selfservice-card {
        padding: 20px;
    }

    .help-selfservice-icon {
        width: 56px;
        height: 56px;
    }

    .help-selfservice-icon i {
        font-size: 28px;
    }

    .help-selfservice-name {
        font-size: 16px;
    }

    .help-selfservice-desc {
        font-size: 13px;
    }

    /* 底部 */
    .help-footer {
        padding: 32px 16px 20px;
        margin-top: 60px;
    }

    .help-footer-beian {
        flex-direction: column;
        gap: 10px;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    /* 头部 */
    .help-header-container {
        height: 56px;
    }

    .help-header-logo {
        gap: 8px;
    }

    .help-header-logo img {
        height: 28px;
    }

    .help-logo-text {
        font-size: 18px;
    }

    .help-header-divider {
        height: 18px;
    }

    .help-header-title {
        font-size: 14px;
    }

    .help-mobile-menu {
        top: 56px;
    }

    /* Hero区域 */
    .help-hero {
        padding: 40px 16px;
    }

    .help-hero-title {
        font-size: 24px;
    }

    .help-hot-tags {
        flex-direction: column;
        gap: 12px;
    }

    /* 快捷入口 */
    .help-quick-item {
        padding: 20px;
    }

    .help-quick-icon {
        width: 48px;
        height: 48px;
    }

    .help-quick-icon i {
        font-size: 24px;
    }

    .help-quick-text h3 {
        font-size: 16px;
    }

    .help-section-title {
        font-size: 22px;
    }

    .help-services-wrapper {
        grid-template-columns: 1fr;
    }

    /* 问题列表 */
    .help-problem-list-item {
        flex-wrap: wrap;
    }

    .help-problem-list-arrow {
        display: none;
    }

    .help-empty-state {
        padding: 60px 20px;
    }

    .help-empty-icon {
        width: 100px;
        height: 100px;
    }

    .help-empty-icon i {
        font-size: 50px;
    }

    /* 问题详情 */
    .help-breadcrumb-container {
        font-size: 13px;
        gap: 8px;
    }

    .help-detail-article {
        padding: 20px 16px;
    }

    .help-detail-title {
        font-size: 20px;
    }

    .help-detail-body {
        font-size: 14px;
    }

    .help-related-problems {
        padding: 16px;
    }

    .help-feedback {
        padding: 20px 16px;
    }

    /* 自助服务 */
    .help-selfservice-page {
        padding: 30px 16px;
    }

    .help-selfservice-card {
        padding: 16px;
        gap: 16px;
    }

    .help-selfservice-icon {
        width: 48px;
        height: 48px;
    }

    .help-selfservice-icon i {
        font-size: 24px;
    }

    .help-selfservice-arrow {
        width: 32px;
        height: 32px;
    }

    /* 底部 */
    .help-footer {
        padding: 24px 16px 16px;
    }

    .help-footer-text {
        font-size: 13px;
    }

    .help-footer-beian-item {
        font-size: 12px;
    }

    .help-footer-powered {
        font-size: 12px;
    }
}

/* 清除浮动 */
.clearfix::after {
    content: "";
    display: block;
    clear: both;
    height: 0;
    visibility: hidden;
}

.clearfix {
    *zoom: 1;
}