/* Advanced FAQ System - Optimized Styles v2.0 - Scoped Version */

/* 所有样式只在 .advanced-faq-container 内生效 */
.advanced-faq-container {
    --faq-primary: #3b82f6;
    --faq-primary-dark: #2563eb;
    --faq-primary-light: #eff6ff;
    --faq-text: #374151;
    --faq-text-light: #6b7280;
    --faq-text-dark: #111827;
    --faq-bg: #ffffff;
    --faq-bg-gray: #f9fafb;
    --faq-border: #e5e7eb;
    --faq-border-light: #f3f4f6;
    --faq-success: #10b981;
    --faq-warning: #f59e0b;
    --faq-danger: #ef4444;
    --faq-radius: 12px;
    --faq-radius-sm: 8px;
    --faq-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --faq-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    --faq-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --faq-transition: all 0.2s ease;
}

/* 基础容器 */
.advanced-faq-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--faq-text);
}

/* ========== 热门问题板块 ========== */
.advanced-faq-container .faq-popular-section {
    margin-bottom: 40px;
    padding: 24px;
    background: linear-gradient(135deg, var(--faq-primary-light) 0%, #fff 100%);
    border: 1px solid var(--faq-border);
    border-radius: var(--faq-radius);
}

.advanced-faq-container .popular-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 600;
    color: var(--faq-text-dark);
    margin: 0 0 20px 0;
}

.advanced-faq-container .popular-title svg {
    color: var(--faq-warning);
}

.advanced-faq-container .popular-faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.advanced-faq-container .popular-faq-item {
    background: var(--faq-bg);
    border: 1px solid var(--faq-border);
    border-radius: var(--faq-radius-sm);
    padding: 16px;
    cursor: pointer;
    transition: var(--faq-transition);
}

.advanced-faq-container .popular-faq-item:hover {
    border-color: var(--faq-primary);
    box-shadow: var(--faq-shadow);
    transform: translateY(-2px);
}

.advanced-faq-container .popular-faq-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.advanced-faq-container .popular-faq-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--faq-text-dark);
    flex: 1;
    line-height: 1.5;
}

.advanced-faq-container .popular-faq-views {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--faq-text-light);
    white-space: nowrap;
}

.advanced-faq-container .popular-faq-views svg {
    opacity: 0.7;
}

/* ========== 分类标签切换 ========== */
.advanced-faq-container .faq-category-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
    overflow-x: auto;
    padding-bottom: 10px;
    scrollbar-width: thin;
    scrollbar-color: var(--faq-border-light) transparent;
}

.advanced-faq-container .faq-category-tabs::-webkit-scrollbar {
    height: 6px;
}

.advanced-faq-container .faq-category-tabs::-webkit-scrollbar-track {
    background: var(--faq-border-light);
    border-radius: 3px;
}

.advanced-faq-container .faq-category-tabs::-webkit-scrollbar-thumb {
    background: var(--faq-border);
    border-radius: 3px;
}

.advanced-faq-container .faq-category-tab {
    padding: 12px 24px;
    background: var(--faq-bg);
    border: 2px solid var(--faq-border);
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    color: var(--faq-text);
    cursor: pointer;
    transition: var(--faq-transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
}

.advanced-faq-container .faq-category-tab:hover {
    border-color: var(--faq-primary);
    color: var(--faq-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.advanced-faq-container .faq-category-tab.active {
    background: var(--faq-primary);
    border-color: var(--faq-primary);
    color: var(--faq-bg);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.advanced-faq-container .faq-category-tab-count {
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 13px;
    min-width: 24px;
    text-align: center;
}

.advanced-faq-container .faq-category-tab.active .faq-category-tab-count {
    background: rgba(255, 255, 255, 0.3);
}

/* ========== 搜索区域 ========== */
.advanced-faq-container .faq-search-section {
    margin-bottom: 40px;
}

.advanced-faq-container .faq-search-wrapper {
    position: relative;
    width: 100%;
}

.advanced-faq-container .faq-search-input {
    width: 100%;
    padding: 18px 140px 18px 24px;
    font-size: 16px;
    border: 2px solid var(--faq-border);
    border-radius: var(--faq-radius);
    outline: none;
    transition: var(--faq-transition);
    background: var(--faq-bg);
    box-shadow: var(--faq-shadow-sm);
}

.advanced-faq-container .faq-search-input:focus {
    border-color: var(--faq-primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.advanced-faq-container .faq-search-button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    padding: 10px 24px;
    background: var(--faq-primary);
    color: white;
    border: none;
    border-radius: var(--faq-radius-sm);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--faq-transition);
}

.advanced-faq-container .faq-search-button:hover {
    background: var(--faq-primary-dark);
    transform: translateY(-50%) scale(1.02);
}

.advanced-faq-container .faq-search-button:active {
    transform: translateY(-50%) scale(0.98);
}

/* 搜索提示标签 */
.advanced-faq-container .faq-search-tips {
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.advanced-faq-container .tip-label {
    font-size: 13px;
    color: var(--faq-text-light);
}

.advanced-faq-container .tip-tag {
    padding: 4px 12px;
    background: var(--faq-bg-gray);
    border: 1px solid var(--faq-border);
    border-radius: 16px;
    font-size: 12px;
    color: var(--faq-text);
    cursor: pointer;
    transition: var(--faq-transition);
}

.advanced-faq-container .tip-tag:hover {
    background: var(--faq-primary-light);
    border-color: var(--faq-primary);
    color: var(--faq-primary);
}

/* ========== 搜索建议 ========== */
.advanced-faq-container .faq-search-suggestions {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--faq-border);
    border-radius: var(--faq-radius);
    box-shadow: var(--faq-shadow-lg);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.advanced-faq-container .suggestions-loading {
    padding: 20px;
    text-align: center;
    color: var(--faq-text-light);
    font-size: 14px;
}

.advanced-faq-container .suggestion-item {
    padding: 14px 20px;
    cursor: pointer;
    transition: background 0.15s ease;
    border-bottom: 1px solid var(--faq-border-light);
    font-size: 14px;
    color: var(--faq-text);
}

.advanced-faq-container .suggestion-item:last-child {
    border-bottom: none;
}

.advanced-faq-container .suggestion-item:hover {
    background: var(--faq-bg-gray);
}

/* ========== 主内容布局 ========== */
.advanced-faq-container .faq-main-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
}

/* ========== 左侧边栏 ========== */
.advanced-faq-container .faq-sidebar {
    position: sticky;
    top: 20px;
    height: fit-content;
}

/* 当前分类标题 */
.advanced-faq-container .current-category-header {
    margin-bottom: 24px;
    padding: 20px;
    background: linear-gradient(135deg, var(--faq-primary-light) 0%, #fff 100%);
    border: 1px solid var(--faq-border);
    border-radius: var(--faq-radius);
}

.advanced-faq-container .current-category-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--faq-primary);
    margin: 0 0 8px 0;
    line-height: 1.3;
}

.advanced-faq-container .current-category-subtitle {
    font-size: 14px;
    color: var(--faq-text-light);
    margin: 0;
}

.advanced-faq-container .sidebar-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    font-weight: 600;
    color: var(--faq-text-dark);
    margin: 0 0 16px 0;
}

.advanced-faq-container .collapse-icon {
    display: none;
}

.advanced-faq-container .faq-categories {
    background: var(--faq-bg);
    border: 1px solid var(--faq-border);
    border-radius: var(--faq-radius);
    overflow: hidden;
}

.advanced-faq-container .category-loading {
    padding: 24px;
    text-align: center;
    color: var(--faq-text-light);
    font-size: 14px;
}

.advanced-faq-container .category-item {
    padding: 14px 20px;
    cursor: pointer;
    transition: var(--faq-transition);
    border-bottom: 1px solid var(--faq-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.advanced-faq-container .category-item:last-child {
    border-bottom: none;
}

.advanced-faq-container .category-item:hover {
    background: var(--faq-bg-gray);
    padding-left: 24px;
}

.advanced-faq-container .category-item.active {
    background: var(--faq-primary-light);
    color: var(--faq-primary);
    font-weight: 500;
    border-left: 3px solid var(--faq-primary);
}

.advanced-faq-container .category-name {
    font-size: 14px;
}

.advanced-faq-container .category-count {
    font-size: 13px;
    color: var(--faq-text-light);
    background: var(--faq-bg-gray);
    padding: 2px 8px;
    border-radius: 10px;
    min-width: 24px;
    text-align: center;
}

.advanced-faq-container .category-item.active .category-count {
    background: var(--faq-primary);
    color: white;
}

/* 快速导航 */
.advanced-faq-container .faq-quick-nav {
    margin-top: 24px;
}

.advanced-faq-container .faq-titles-list {
    background: var(--faq-bg);
    border: 1px solid var(--faq-border);
    border-radius: var(--faq-radius);
    overflow: hidden;
}

.advanced-faq-container .titles-loading {
    padding: 24px;
    text-align: center;
    color: var(--faq-text-light);
    font-size: 14px;
}

.advanced-faq-container .title-item {
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--faq-transition);
    border-bottom: 1px solid var(--faq-border-light);
    font-size: 13px;
    color: var(--faq-text);
    line-height: 1.4;
}

.advanced-faq-container .title-item:last-child {
    border-bottom: none;
}

.advanced-faq-container .title-item:hover {
    background: var(--faq-bg-gray);
    color: var(--faq-primary);
    padding-left: 20px;
}

/* ========== FAQ内容区域 ========== */
.advanced-faq-container .faq-content {
    flex: 1;
}

/* 头部区域 */
.advanced-faq-container .faq-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.advanced-faq-container .faq-header-info h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--faq-text-dark);
    margin: 0 0 4px 0;
}

.advanced-faq-container .faq-header-subtitle {
    font-size: 14px;
    color: var(--faq-text-light);
    margin: 0;
}

.advanced-faq-container .faq-header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.advanced-faq-container .view-toggle {
    display: flex;
    gap: 4px;
    background: var(--faq-bg);
    border: 1px solid var(--faq-border);
    border-radius: var(--faq-radius-sm);
    padding: 4px;
}

.advanced-faq-container .view-button {
    padding: 8px 12px;
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--faq-transition);
    color: var(--faq-text-light);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
}

.advanced-faq-container .view-button:hover {
    background: var(--faq-bg-gray);
    color: var(--faq-text);
}

.advanced-faq-container .view-button.active {
    background: var(--faq-primary);
    color: white;
}

.advanced-faq-container .sort-select {
    padding: 8px 12px;
    border: 1px solid var(--faq-border);
    border-radius: var(--faq-radius-sm);
    font-size: 14px;
    cursor: pointer;
    transition: var(--faq-transition);
    background: var(--faq-bg);
    color: var(--faq-text);
}

.advanced-faq-container .sort-select:hover {
    border-color: var(--faq-primary);
}

.advanced-faq-container .sort-select:focus {
    outline: none;
    border-color: var(--faq-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* FAQ 列表 */
.advanced-faq-container .faq-list {
    display: grid;
    gap: 16px;
}

.advanced-faq-container .faq-item {
    background: var(--faq-bg);
    border: 1px solid var(--faq-border);
    border-radius: var(--faq-radius);
    padding: 24px;
    cursor: pointer;
    transition: var(--faq-transition);
}

.advanced-faq-container .faq-item:hover {
    box-shadow: var(--faq-shadow);
    border-color: #d1d5db;
    transform: translateY(-2px);
}

.advanced-faq-container .faq-item-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
}

.advanced-faq-container .faq-item-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--faq-text-dark);
    margin: 0;
    line-height: 1.4;
}

.advanced-faq-container .faq-item-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--faq-text-light);
    white-space: nowrap;
}

.advanced-faq-container .meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.advanced-faq-container .faq-item-excerpt {
    font-size: 15px;
    color: var(--faq-text);
    line-height: 1.6;
    margin: 0;
}

/* 卡片视图 */
.advanced-faq-container .faq-list.card-view {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.advanced-faq-container .faq-list.card-view .faq-item {
    display: flex;
    flex-direction: column;
}

.advanced-faq-container .faq-list.card-view .faq-item-header {
    flex-direction: column;
    align-items: flex-start;
}

/* 空状态 */
.advanced-faq-container .faq-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--faq-text-light);
}

.advanced-faq-container .faq-empty svg {
    margin: 0 auto 16px;
    opacity: 0.5;
}

.advanced-faq-container .faq-empty-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--faq-text);
    margin: 0 0 8px 0;
}

.advanced-faq-container .faq-empty-description {
    font-size: 14px;
    margin: 0;
}

/* ========== FAQ详情页 ========== */
.advanced-faq-container .faq-detail-view {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.advanced-faq-container .faq-back-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--faq-bg);
    border: 1px solid var(--faq-border);
    border-radius: var(--faq-radius-sm);
    color: var(--faq-text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--faq-transition);
    margin-bottom: 24px;
}

.advanced-faq-container .faq-back-button:hover {
    background: var(--faq-bg-gray);
    border-color: #d1d5db;
}

.advanced-faq-container .faq-detail-article {
    background: var(--faq-bg);
    border: 1px solid var(--faq-border);
    border-radius: var(--faq-radius);
    padding: 40px;
    box-shadow: var(--faq-shadow-sm);
}

.advanced-faq-container .faq-detail-header {
    border-bottom: 2px solid var(--faq-border);
    padding-bottom: 24px;
    margin-bottom: 32px;
}

.advanced-faq-container .faq-detail-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--faq-text-dark);
    margin: 0 0 16px 0;
    line-height: 1.3;
}

.advanced-faq-container .faq-detail-meta {
    display: flex;
    gap: 24px;
    font-size: 14px;
    color: var(--faq-text-light);
    flex-wrap: wrap;
}

.advanced-faq-container .detail-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.advanced-faq-container .faq-detail-body {
    font-size: 16px;
    line-height: 1.75;
    color: var(--faq-text);
}

.advanced-faq-container .faq-detail-body h1,
.advanced-faq-container .faq-detail-body h2,
.advanced-faq-container .faq-detail-body h3,
.advanced-faq-container .faq-detail-body h4,
.advanced-faq-container .faq-detail-body h5,
.advanced-faq-container .faq-detail-body h6 {
    color: var(--faq-text-dark);
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 16px;
    line-height: 1.3;
}

.advanced-faq-container .faq-detail-body h1 { font-size: 28px; }
.advanced-faq-container .faq-detail-body h2 { font-size: 24px; }
.advanced-faq-container .faq-detail-body h3 { font-size: 20px; }
.advanced-faq-container .faq-detail-body h4 { font-size: 18px; }
.advanced-faq-container .faq-detail-body h5 { font-size: 16px; }
.advanced-faq-container .faq-detail-body h6 { font-size: 14px; }

.advanced-faq-container .faq-detail-body p {
    margin: 16px 0;
}

.advanced-faq-container .faq-detail-body strong,
.advanced-faq-container .faq-detail-body b {
    font-weight: 600;
    color: var(--faq-text-dark);
}

.advanced-faq-container .faq-detail-body em,
.advanced-faq-container .faq-detail-body i {
    font-style: italic;
}

.advanced-faq-container .faq-detail-body code {
    background: var(--faq-bg-gray);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--faq-danger);
}

.advanced-faq-container .faq-detail-body pre {
    background: var(--faq-text-dark);
    color: #f8f8f2;
    padding: 20px;
    border-radius: var(--faq-radius-sm);
    overflow-x: auto;
    margin: 24px 0;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
}

.advanced-faq-container .faq-detail-body pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.advanced-faq-container .faq-detail-body ul,
.advanced-faq-container .faq-detail-body ol {
    margin: 16px 0;
    padding-left: 28px;
}

.advanced-faq-container .faq-detail-body li {
    margin: 8px 0;
    line-height: 1.7;
}

.advanced-faq-container .faq-detail-body li > ul,
.advanced-faq-container .faq-detail-body li > ol {
    margin: 8px 0;
}

.advanced-faq-container .faq-detail-body ul {
    list-style-type: disc;
}

.advanced-faq-container .faq-detail-body ol {
    list-style-type: decimal;
}

.advanced-faq-container .faq-detail-body ul ul {
    list-style-type: circle;
}

.advanced-faq-container .faq-detail-body ul ul ul {
    list-style-type: square;
}

.advanced-faq-container .faq-detail-body ol ol {
    list-style-type: lower-alpha;
}

.advanced-faq-container .faq-detail-body ol ol ol {
    list-style-type: lower-roman;
}

.advanced-faq-container .faq-detail-body ul li::marker {
    color: var(--faq-primary);
}

.advanced-faq-container .faq-detail-body ol li::marker {
    color: var(--faq-primary);
    font-weight: 600;
}

.advanced-faq-container .faq-detail-body > *:first-child {
    margin-top: 0;
}

.advanced-faq-container .faq-detail-body > *:last-child {
    margin-bottom: 0;
}

.advanced-faq-container .faq-detail-body dl {
    margin: 24px 0;
}

.advanced-faq-container .faq-detail-body dt {
    font-weight: 600;
    color: var(--faq-text-dark);
    margin-top: 16px;
}

.advanced-faq-container .faq-detail-body dd {
    margin: 8px 0 0 24px;
    color: var(--faq-text);
}

.advanced-faq-container .faq-detail-body p:empty {
    margin: 0;
    padding: 0;
}

.advanced-faq-container .faq-detail-body a {
    color: var(--faq-primary);
    text-decoration: none;
    font-weight: 500;
}

.advanced-faq-container .faq-detail-body a:hover {
    text-decoration: underline;
}

.advanced-faq-container .faq-detail-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--faq-radius-sm);
    margin: 24px 0;
    display: block;
}

.advanced-faq-container .faq-detail-body blockquote {
    border-left: 4px solid var(--faq-primary);
    padding-left: 20px;
    margin: 24px 0;
    color: var(--faq-text-light);
    font-style: italic;
}

.advanced-faq-container .faq-detail-body hr {
    border: none;
    border-top: 1px solid var(--faq-border);
    margin: 32px 0;
}

.advanced-faq-container .faq-detail-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}

.advanced-faq-container .faq-detail-body table th,
.advanced-faq-container .faq-detail-body table td {
    border: 1px solid var(--faq-border);
    padding: 12px;
    text-align: left;
}

.advanced-faq-container .faq-detail-body table th {
    background: var(--faq-bg-gray);
    font-weight: 600;
}

/* 反馈区域 */
.advanced-faq-container .faq-feedback-section {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--faq-border);
    text-align: center;
}

.advanced-faq-container .feedback-question {
    font-size: 16px;
    font-weight: 500;
    color: var(--faq-text-dark);
    margin: 0 0 16px 0;
}

.advanced-faq-container .feedback-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.advanced-faq-container .feedback-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--faq-bg);
    border: 2px solid var(--faq-border);
    border-radius: var(--faq-radius-sm);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--faq-transition);
}

.advanced-faq-container .feedback-yes {
    color: var(--faq-success);
}

.advanced-faq-container .feedback-yes:hover {
    background: #d1fae5;
    border-color: var(--faq-success);
}

.advanced-faq-container .feedback-no {
    color: var(--faq-danger);
}

.advanced-faq-container .feedback-no:hover {
    background: #fee2e2;
    border-color: var(--faq-danger);
}

.advanced-faq-container .feedback-thanks {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 24px;
    background: #d1fae5;
    border: 1px solid var(--faq-success);
    border-radius: var(--faq-radius-sm);
    color: #065f46;
    font-weight: 500;
    margin: 0;
}

.advanced-faq-container .feedback-thanks svg {
    color: var(--faq-success);
}

/* ========== 分页 ========== */
.advanced-faq-container .faq-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--faq-border);
    flex-wrap: wrap;
}

.advanced-faq-container .pagination-button {
    min-width: 40px;
    padding: 10px 16px;
    border: 1px solid var(--faq-border);
    background: white;
    color: var(--faq-text);
    border-radius: var(--faq-radius-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: var(--faq-transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.advanced-faq-container .pagination-button:hover:not(:disabled) {
    background: var(--faq-bg-gray);
    border-color: #d1d5db;
}

.advanced-faq-container .pagination-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.advanced-faq-container .pagination-button.active {
    background: var(--faq-primary);
    color: white;
    border-color: var(--faq-primary);
}

.advanced-faq-container .pagination-ellipsis {
    padding: 10px 8px;
    color: var(--faq-text-light);
}

.advanced-faq-container .pagination-jump {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 16px;
    font-size: 14px;
    color: var(--faq-text-light);
}

.advanced-faq-container .pagination-jump-input {
    width: 60px;
    padding: 8px 12px;
    border: 1px solid var(--faq-border);
    border-radius: var(--faq-radius-sm);
    font-size: 14px;
    text-align: center;
}

.advanced-faq-container .pagination-jump-input:focus {
    outline: none;
    border-color: var(--faq-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* ========== 响应式设计 ========== */
@media (max-width: 968px) {
    .advanced-faq-container .faq-main-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .advanced-faq-container .faq-sidebar {
        position: static;
    }
    
    .advanced-faq-container .sidebar-title {
        cursor: pointer;
        user-select: none;
    }
    
    .advanced-faq-container .collapse-icon {
        display: block;
        transition: transform 0.3s ease;
    }
    
    .advanced-faq-container .sidebar-title.collapsed .collapse-icon {
        transform: rotate(-90deg);
    }
    
    .advanced-faq-container .faq-categories.mobile-hidden {
        display: none;
    }
    
    .advanced-faq-container #faqTitlesList.mobile-hidden {
        display: none;
    }
}

@media (max-width: 640px) {
    .advanced-faq-container {
        padding: 24px 16px;
    }
    
    /* 热门问题移动端 */
    .advanced-faq-container .faq-popular-section {
        padding: 20px 16px;
    }
    
    .advanced-faq-container .popular-title {
        font-size: 18px;
    }
    
    .advanced-faq-container .popular-faq-grid {
        grid-template-columns: 1fr;
    }
    
    /* 分类标签移动端 */
    .advanced-faq-container .faq-category-tabs {
        gap: 8px;
        margin-bottom: 20px;
    }
    
    .advanced-faq-container .faq-category-tab {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .advanced-faq-container .faq-category-tab-count {
        font-size: 12px;
    }
    
    /* 搜索框移动端 */
    .advanced-faq-container .faq-search-input {
        padding: 16px 120px 16px 20px;
        font-size: 15px;
    }
    
    .advanced-faq-container .faq-search-button {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    /* 头部移动端 */
    .advanced-faq-container .faq-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .advanced-faq-container .faq-header-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    /* FAQ项目移动端 */
    .advanced-faq-container .faq-item {
        padding: 20px;
    }
    
    .advanced-faq-container .faq-item-header {
        flex-direction: column;
        gap: 8px;
    }
    
    .advanced-faq-container .faq-item-title {
        font-size: 16px;
    }
    
    .advanced-faq-container .faq-item-excerpt {
        font-size: 14px;
    }
    
    /* 分页移动端 */
    .advanced-faq-container .pagination-jump {
        display: none;
    }
    
    /* FAQ详情移动端 */
    .advanced-faq-container .faq-detail-article {
        padding: 28px 20px;
    }
    
    .advanced-faq-container .faq-detail-title {
        font-size: 24px;
        padding-bottom: 16px;
    }
    
    .advanced-faq-container .faq-detail-body {
        font-size: 15px;
    }
    
    .advanced-faq-container .faq-detail-body h1 { font-size: 22px; }
    .advanced-faq-container .faq-detail-body h2 { font-size: 20px; }
    .advanced-faq-container .faq-detail-body h3 { font-size: 18px; }
    .advanced-faq-container .faq-detail-body h4 { font-size: 16px; }
    
    .advanced-faq-container .faq-detail-body ul,
    .advanced-faq-container .faq-detail-body ol {
        padding-left: 20px;
    }
    
    .advanced-faq-container .faq-detail-body pre {
        padding: 16px;
        font-size: 13px;
    }
    
    /* 反馈按钮移动端 */
    .advanced-faq-container .feedback-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .advanced-faq-container .feedback-button {
        width: 100%;
        justify-content: center;
    }
}

/* ========== 打印样式 ========== */
@media print {
    .advanced-faq-container .faq-search-section,
    .advanced-faq-container .faq-sidebar,
    .advanced-faq-container .faq-pagination,
    .advanced-faq-container .faq-back-button,
    .advanced-faq-container .faq-feedback-section,
    .advanced-faq-container .faq-popular-section {
        display: none;
    }
    
    .advanced-faq-container .faq-main-content {
        grid-template-columns: 1fr;
    }
    
    .advanced-faq-container .faq-item,
    .advanced-faq-container .faq-detail-article {
        break-inside: avoid;
    }
}

/* ========== 无障碍支持 ========== */
.advanced-faq-container .faq-item:focus-visible,
.advanced-faq-container .faq-category-tab:focus-visible,
.advanced-faq-container .category-item:focus-visible,
.advanced-faq-container .pagination-button:focus-visible {
    outline: 3px solid var(--faq-primary);
    outline-offset: 2px;
}

/* ========== 加载骨架屏（可选） ========== */
.advanced-faq-container .skeleton {
    background: linear-gradient(
        90deg,
        var(--faq-border-light) 25%,
        var(--faq-bg-gray) 50%,
        var(--faq-border-light) 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}




/* 将这部分CSS选择器修改为匹配HTML中的类名 */

/* 原来的 */
.advanced-faq-container .title-item {
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--faq-transition);
    border-bottom: 1px solid var(--faq-border-light);
    font-size: 13px;
    color: var(--faq-text);
    line-height: 1.4;
}

.advanced-faq-container .title-item:last-child {
    border-bottom: none;
}

.advanced-faq-container .title-item:hover {
    background: var(--faq-bg-gray);
    color: var(--faq-primary);
    padding-left: 20px;
}

/* 改为 */
.advanced-faq-container .faq-title-item {
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--faq-transition);
    border-bottom: 1px solid var(--faq-border-light);
    font-size: 13px;
    color: var(--faq-text);
    line-height: 1.4;
}

.advanced-faq-container .faq-title-item:last-child {
    border-bottom: none;
}

.advanced-faq-container .faq-title-item:hover {
    background: var(--faq-bg-gray);
    color: var(--faq-primary);
    padding-left: 20px;
}

.advanced-faq-container .faq-title-item.active {
    background: var(--faq-primary-light);
    color: var(--faq-primary);
    font-weight: 500;
    border-left: 3px solid var(--faq-primary);
}

/* 隐藏不需要的元素 */
.advanced-faq-container .faq-item-categories {
    display: none !important;
}

.advanced-faq-container .faq-search-tips {
    display: none !important;
}

.advanced-faq-container .faq-popular-section {
    display: none !important;
}