/* ==================== 文档布局系统 ==================== */
/* 文档主容器 */
#docs-view {
    min-height: 100vh;
    background: var(--bg);
}


#docs-view .container {
    max-width: 1800px;
    margin: 0 auto;
    padding: 2rem;
}


/* 文档布局容器 */
.docs-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2.5rem;
    align-items: start;
    position: relative;
    min-height: calc(100vh - 200px);
}


/* 文档侧边栏 */
.docs-sidebar {
    position: sticky;
    top: 120px;
    background: var(--card-bg);
    border-radius: 22px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
    padding: 1.5rem;
    height: fit-content;
    max-height: calc(100vh - 160px);
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 90;
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 优化侧边栏滚动条 */
.docs-sidebar::-webkit-scrollbar {
    width: 4px;
}

.docs-sidebar::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 2px;
}

.docs-sidebar::-webkit-scrollbar-thumb {
    background: rgba(var(--primary-rgb), 0.2);
    border-radius: 2px;
}

.docs-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--primary-rgb), 0.4);
}

.docs-sidebar {
    scrollbar-width: thin;
    scrollbar-color: rgba(var(--primary-rgb), 0.2) transparent;
}


.docs-sidebar:hover {
    box-shadow: var(--shadow-hover);
}


/* 侧边栏标题 */
.docs-sidebar-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}


.docs-sidebar-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin: 0;
    letter-spacing: 0.5px;
}

/* 语言切换器 */
.docs-language-switcher {
    width: 100%;
    position: relative;
}

.lang-select-wrapper {
    position: relative;
    width: 100%;
}

.lang-select {
    width: 100%;
    padding: 0.75rem 2.8rem 0.75rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
    background-size: 16px;
}

.lang-select-wrapper::before {
    content: '\f1ab';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    font-size: 0.9rem;
    pointer-events: none;
    z-index: 1;
}

.lang-select {
    padding-left: 2.2rem;
}

.lang-select:hover {
    border-color: var(--primary);
    background-color: rgba(var(--primary-rgb), 0.05);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.1);
}

.lang-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15), 0 4px 12px rgba(var(--primary-rgb), 0.2);
    transform: translateY(-1px);
}

.lang-select option {
    padding: 0.6rem 1rem;
    background: var(--card-bg);
    color: var(--text);
    font-size: 0.9rem;
}

.lang-select option:checked {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    font-weight: 600;
}

/* 导航面包屑 */
.docs-nav-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.5rem 0.75rem;
    background: rgba(var(--primary-rgb), 0.05);
    border-radius: 8px;
}


.docs-nav-breadcrumb .breadcrumb-back {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
}


.docs-nav-breadcrumb .breadcrumb-back:hover {
    background: rgba(var(--primary-rgb), 0.1);
    transform: translateX(-2px);
}


.docs-nav-breadcrumb .breadcrumb-back i {
    font-size: 0.8rem;

}

.docs-nav-breadcrumb .breadcrumb-title {
    color: var(--text);
    font-weight: 500;
    font-size: 0.9rem;
}

/* 导航容器 */
.docs-nav-container {
    position: relative;
    min-height: 200px;
}

/* 导航视图容器 */
.docs-nav-view {
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }

}

@keyframes slideOutLeft {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(-20px);
    }

}

/* 状态1：分类列表 */
.category-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--card-bg);
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--radius);
    font-weight: 500;
    color: var(--text);
    font-size: 0.95rem;
    user-select: none;
    gap: 0.5rem;
    position: relative;
}

.category-item:hover {
    background: rgba(var(--primary-rgb), 0.08);
    color: var(--primary);
    transform: translateX(2px);
}

.category-item:active {
    background: rgba(var(--primary-rgb), 0.1);
    transform: translateX(1px);
}

.category-item .category-icon {
    font-size: 1rem;
    color: var(--primary);
    width: 24px;
    text-align: center;
}

.category-item .category-name {
    flex: 1;
}

/* 文档计数徽章 */
.doc-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--primary-rgb), 0.15);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    min-width: 20px;
}

.category-item:hover .doc-count {
    background: var(--primary);
    color: white;
}

.category-item i.chevron {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* 状态2：文档列表 */
.doc-list {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

/* 文档子分组 */
.doc-subgroup {
    margin-top: 0.5rem;
}

.doc-subgroup-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.8rem;
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.2s ease;
    user-select: none;
    margin-bottom: 0.2rem;
}

.doc-subgroup-header:hover {
    background: rgba(var(--primary-rgb), 0.06);
}

.doc-subgroup-header > i:first-child {
    color: var(--primary);
    font-size: 0.8rem;
    opacity: 0.7;
}

.subgroup-count {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: rgba(var(--primary-rgb), 0.1);
    padding: 0.1rem 0.4rem;
    border-radius: 8px;
    margin-left: auto;
}

.subgroup-chevron {
    font-size: 0.6rem;
    color: var(--text-secondary);
    transition: transform 0.25s ease;
    margin-left: 0.2rem;
}

.doc-subgroup.collapsed .subgroup-chevron {
    transform: rotate(-90deg);
}

.doc-subgroup.collapsed .subgroup-docs {
    display: none;
}

.doc-subgroup .doc-item {
    padding-left: 1.8rem;
}

.doc-subgroup .doc-item::before {
    content: '';
    position: absolute;
    left: 0.9rem;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border);
}

.doc-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.85rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 400;
    border-radius: 8px;
    position: relative;
    cursor: pointer !important;
    user-select: none;
}

.doc-item:hover {
    color: var(--text);
    background: rgba(var(--primary-rgb), 0.1);
    transform: translateX(2px);
}

.doc-item.active {
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.15);
    font-weight: 500;
}

.doc-item i {
    font-size: 0.9rem;
    width: 18px;
    text-align: center;
    opacity: 0.7;
    flex-shrink: 0;
}

.doc-item.active i {
    opacity: 1;
    color: var(--primary);
}

/* 状态3：章节目录 */
.chapter-toc {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.chapter-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.88rem;
    font-weight: 400;
    border-radius: 6px;
    cursor: pointer;
}

.chapter-item:hover {
    color: var(--text);
    background: rgba(var(--primary-rgb), 0.1);
}

.chapter-item.active {
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.15);
    font-weight: 500;
}

.chapter-item .chapter-level {
    flex-shrink: 0;
    font-size: 0.75rem;
    color: var(--primary);
    opacity: 0.6;
    width: 16px;
}

.chapter-item .chapter-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 文档主内容区域 */
.docs-main {
    background: var(--card-bg);
    border-radius: 22px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
    padding: 2.5rem;
    min-height: 600px;
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    max-width: 100%;
    overflow-x: hidden;
    overflow-y: visible;
}

.docs-main:hover {
    box-shadow: var(--shadow-hover);
}

.docs-content {
    max-width: 100%;
    overflow-x: hidden;
    width: 100%;
    box-sizing: border-box;
    overflow-y: visible;
}

/* 文档标题区域 */
.docs-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
}

.docs-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 1rem 0;
    line-height: 1.2;
}

.docs-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* 文档导航面包屑 - 页面顶部 */
.docs-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    padding: 0.8rem 1.2rem;
    background: rgba(var(--primary-rgb), 0.03);
    border-radius: var(--radius);
    flex-wrap: wrap;
}

.docs-breadcrumb .breadcrumb-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-size: 0.95rem;
}

.docs-breadcrumb .breadcrumb-link:hover {
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.1);
}

.docs-breadcrumb .breadcrumb-icon {
    font-size: 0.85rem;
    opacity: 0.8;
}

.docs-breadcrumb .breadcrumb-category {
    color: var(--primary);
    font-weight: 500;
}

.docs-breadcrumb .breadcrumb-category:hover {
    color: var(--primary-dark);
}

.docs-breadcrumb .separator {
    color: var(--text-secondary);
    opacity: 0.5;
    font-weight: 300;
    user-select: none;
}

.docs-breadcrumb .current {
    color: var(--text);
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    background: rgba(var(--primary-rgb), 0.08);
    border-radius: 6px;
    font-size: 0.95rem;
}

/* 文档操作栏 */
.docs-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.docs-action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.2rem;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.docs-action-btn:hover {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.18);
}

.docs-action-btn i {
    font-size: 0.9rem;
}

/* 图表容器样式 */
.chart-container {
    position: relative;
    height: 400px;
    margin: 2rem 0;
}

/* Mermaid 图表样式 */
.mermaid {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin: 2rem 0;
    text-align: center;
    border: 1px solid var(--border);
}

.guidance-content {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 3rem;
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid var(--border);
}

.guidance-icon {
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: 2rem;
    opacity: 0.8;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.guidance-content h3 {
    color: var(--text);
    margin-bottom: 1.5rem;
    font-size: 2.2rem;
    font-weight: 600;
}

.guidance-content p {
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

.guidance-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2.5rem;
}

.guidance-categories .category {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: left;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.guidance-categories .category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-sm);
}

.guidance-categories h4 {
    color: var(--text);
    margin-bottom: 1.2rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    font-weight: 600;
}

.guidance-categories h4 i {
    color: var(--primary);
    width: 28px;
    font-size: 1.2rem;
}

.guidance-categories a {
    display: block;
    padding: 0.8rem 0;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid var(--border);
    font-size: 1.05rem;
}

.guidance-categories a:hover {
    color: var(--primary);
    padding-left: 0.7rem;
    border-color: var(--primary);
}

.guidance-categories a:last-child {
    border-bottom: none;
}

/* 响应式设计 */
/* 大屏幕适配 (1401px - 1600px) */
@media (min-width: 1401px) and (max-width: 1600px) {
    .docs-layout {
        grid-template-columns: 260px 1fr;
    }

}

/* 中大屏幕适配 (1201px - 1400px) */
@media (min-width: 1201px) and (max-width: 1400px) {
    .docs-layout {
        grid-template-columns: 240px 1fr;
    }

}

/* 中等屏幕适配 (992px - 1200px) */
@media (max-width: 1200px) and (min-width: 992px) {
    .docs-layout {
        grid-template-columns: 220px 1fr;
        gap: 2rem;
    }

}

/* 平板适配 (768px - 991px) */
@media (max-width: 991px) and (min-width: 768px) {
    .docs-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .docs-sidebar {
        position: relative;
        top: 0;
        max-height: none;
        margin-bottom: 1.5rem;
    }

    .docs-main {
        padding: 2rem;
    }

    .docs-title {
        font-size: 2.2rem;
    }

    .docs-subtitle {
        font-size: 1.1rem;
    }

    .docs-actions {
        flex-wrap: wrap;
    }

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

}

/* 移动端适配 (768px以下) */
@media (max-width: 767px) {
    .docs-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    #docs-view .container {
        padding: 1rem;
    }

    .docs-sidebar {
        position: relative;
        top: 0;
        max-height: none;
        margin-bottom: 1rem;
        padding: 1rem;
        border-radius: var(--radius);
    }

    .docs-sidebar-header {
        margin-bottom: 1rem;
        padding-bottom: 0.8rem;
    }

    .docs-sidebar-title {
        font-size: 1rem;
    }

    .category-item {
        padding: 0.85rem;
        font-size: 0.9rem;
    }

    .doc-item {
        padding: 0.75rem 0.85rem;
        font-size: 0.88rem;
    }

    .chapter-item {
        padding: 0.55rem 0.7rem;
        font-size: 0.85rem;
    }

    .docs-main {
        padding: 1.5rem;
        border-radius: var(--radius);
    }

    .docs-header {
        margin-bottom: 1.5rem;
        padding-bottom: 1rem;
    }

    .docs-title {
        font-size: 1.8rem;
        margin-bottom: 0.8rem;
    }

    .docs-subtitle {
        font-size: 1rem;
        line-height: 1.5;
    }

    .docs-breadcrumb {
        margin-bottom: 1.5rem;
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }

    .docs-actions {
        flex-direction: column;
        gap: 0.8rem;
        margin-bottom: 1.5rem;
        padding: 0.8rem 1rem;
    }

    .docs-action-btn {
        justify-content: center;
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }

    /* 移动端导航优化 */
    .docs-nav-breadcrumb {
        padding: 0.4rem 0.6rem;
        font-size: 0.85rem;
    }

    .guidance-content {
        padding: 1.5rem;
    }

    .guidance-content h3 {
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }

    .guidance-content p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .guidance-categories {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 1.5rem;
    }

    .guidance-categories .category {
        padding: 1.5rem;
    }

    .guidance-categories h4 {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }

    .guidance-categories a {
        padding: 0.7rem 0;
        font-size: 1rem;
    }

    /* 图表和Mermaid移动端优化 */
    .chart-container {
        height: 300px;
        margin: 1.5rem 0;
    }

    .mermaid {
        padding: 1rem;
        margin: 1.5rem 0;
    }

    /* 移动端滚动优化 */
    .docs-sidebar {
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .docs-sidebar::-webkit-scrollbar {
        display: none;
    }

}

/* 超小屏幕适配 (480px以下) */
@media (max-width: 479px) {
    #docs-view .container {
        padding: 0.5rem;
    }

    .docs-sidebar {
        padding: 0.8rem;
    }

    .docs-main {
        padding: 1rem;
    }

    .docs-title {
        font-size: 1.6rem;
    }

    .docs-subtitle {
        font-size: 0.95rem;
    }

    .guidance-content {
        padding: 1rem;
    }

    .guidance-content h3 {
        font-size: 1.5rem;
    }

}

/* 文档搜索触发按钮 */
.docs-search-trigger {
    width: 100%;
    padding: 0.75rem 1rem;
    padding-left: 2.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card-bg);
    color: var(--text);
    font-size: 0.9rem;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
    position: relative;
    user-select: none;
}

.docs-search-trigger i {
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.docs-search-trigger:hover {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.05);
}

.docs-search-trigger:active {
    transform: scale(0.98);
}

.docs-search-trigger::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* 全屏搜索遮罩层 */
.docs-search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9999;
    display: none;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.3s ease, transform 0.3s ease;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 2rem;
    box-sizing: border-box;
}

.docs-search-overlay.active {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 15vh;
    opacity: 1;
    transform: scale(1);
}

/* 全屏搜索容器 */
.docs-search-overlay-content {
    width: 100%;
    max-width: 700px;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }

}

/* 全屏搜索输入框 */
.docs-search-overlay-input {
    width: 100%;
    padding: 1.2rem 1.5rem 1.2rem 3.5rem;
    font-size: 1.3rem;
    border: 2px solid var(--primary);
    border-radius: var(--radius);
    background: var(--card-bg);
    color: var(--text);
    outline: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.docs-search-overlay-input:focus {
    box-shadow: 0 10px 50px rgba(var(--primary-rgb), 0.3);
}

.docs-search-overlay-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

.docs-search-overlay-wrapper {
    position: relative;
    width: 100%;
    margin-bottom: 1.5rem;
}

.docs-search-overlay-wrapper i {
    position: absolute;
    left: 1.2rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--primary);
}

/* 搜索关闭按钮 */
.docs-search-close-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    z-index: 10;
}

.docs-search-close-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

/* 快捷键提示 */
.search-shortcut-hint {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    opacity: 1;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    display: inline-block;
}

.search-shortcut-hint kbd {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 6px;
    font-size: 0.85rem;
    margin: 0 0.3rem;
    font-weight: 500;
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 搜索结果样式 */
.docs-search-results {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-top: 1rem;
    max-height: 300px;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: var(--shadow-lg);
}

/* 优化搜索结果滚动条 */
.docs-search-results::-webkit-scrollbar {
    width: 4px;
}

.docs-search-results::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 2px;
}

.docs-search-results::-webkit-scrollbar-thumb {
    background: rgba(var(--primary-rgb), 0.3);
    border-radius: 2px;
}

.docs-search-results::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--primary-rgb), 0.5);
}

.docs-search-results {
    scrollbar-width: thin;
    scrollbar-color: rgba(var(--primary-rgb), 0.3) transparent;
}

/* 全屏遮罩层中的搜索结果样式 */
.docs-search-overlay .docs-search-results {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-height: 400px;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
}

.docs-search-overlay .docs-search-results::-webkit-scrollbar {
    width: 4px;
}

.docs-search-overlay .docs-search-results::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 2px;
}

.docs-search-overlay .docs-search-results::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

.docs-search-overlay .docs-search-results::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* 键盘导航焦点样式 */
.search-result-item.keyboard-focused {
    background: rgba(var(--primary-rgb), 0.15);
    transform: translateX(5px);
}

.search-results-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: rgba(var(--primary-rgb), 0.05);
}

.search-results-header h4 {
    margin: 0;
    color: var(--text);
    font-size: 1rem;
    font-weight: 600;
}

.search-results-list {
    padding: 0.5rem;
}

.search-result-item {
    padding: 1rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--border);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: rgba(var(--primary-rgb), 0.1);
    transform: translateX(3px);
}

.result-title {
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.3rem;
    font-size: 0.95rem;
}

.result-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.3rem;
}

.result-category {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(var(--primary-rgb), 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
}

.result-doc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(var(--border-rgb), 0.5);
    padding: 0.2rem 0.5rem;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
}

.result-level {
    font-size: 0.7rem;
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.15);
    padding: 0.15rem 0.4rem;
    border-radius: 6px;
    font-weight: 600;
}

.result-snippet {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.4rem;
    padding: 0.3rem;
    background: rgba(var(--bg-rgb), 0.5);
    border-radius: var(--radius);
}

.search-no-results {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

.search-no-results i {
    font-size: 2rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* 错误消息样式 */
.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    color: #ef4444;
}

.error-message i {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* 文档操作按钮组优化 */
.docs-actions {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.docs-action-btn {
    flex: 1;
    min-width: 120px;
    justify-content: center;
    text-align: center;
}

@media (max-width: 767px) {
    .docs-search-results {
        max-height: 250px;
    }

    .search-result-item {
        padding: 0.8rem;
    }

    .result-title {
        font-size: 0.9rem;
    }

    .result-category {
        font-size: 0.75rem;
    }

}

/* 暗色主题适配 */
@media (prefers-color-scheme: dark) {
    .docs-search-input {
        background: rgba(255, 255, 255, 0.05);
        border-color: rgba(255, 255, 255, 0.1);
    }

    .docs-search-results {
        background: rgba(255, 255, 255, 0.05);
        border-color: rgba(255, 255, 255, 0.1);
    }

    .search-result-item:hover {
        background: rgba(255, 255, 255, 0.1);
    }

}

/* 无障碍访问优化 */
.docs-search-input,
.docs-action-btn:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* 平滑过渡动画 */
.docs-sidebar,
.docs-search-results {
    transition: all 0.3s ease;
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {

    .docs-action-btn {
        border-width: 2px;
    }

    .docs-sidebar,
    .docs-main {
        border-width: 2px;
    }

}

/* ==================== AI 物料下载卡片（文档页内） ==================== */
.ai-doc-download-section {
    margin: 2rem 0;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.ai-doc-download-section h3 {
    font-size: 1.3rem;
    color: var(--text);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.ai-doc-download-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.ai-doc-download-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ai-doc-download-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg);
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.ai-doc-download-card:hover {
    border-color: rgba(var(--primary-rgb), 0.3);
    box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.06);
}

.ai-doc-download-icon {
    width: 42px;
    height: 42px;
    min-width: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--primary-rgb), 0.08);
    border-radius: 10px;
    font-size: 1.1rem;
    color: var(--primary);
}

.ai-doc-download-info {
    flex: 1;
}

.ai-doc-download-info h4 {
    font-size: 0.95rem;
    color: var(--text);
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.ai-doc-download-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.ai-doc-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 1rem;
    background: rgba(var(--primary-rgb), 0.08);
    color: var(--primary);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.25s ease;
}

.ai-doc-download-btn:hover {
    background: var(--primary);
    color: var(--text-light);
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.2);
}