/*
 * ZWS Knowledge Portal
 * 仅覆盖前台展示层，不改变现有路由、数据结构和业务行为。
 */

body {
    color: var(--md-text);
    background: var(--md-bg) !important;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.manual-container {
    min-height: 100vh;
}

.manual-container .manual-body {
    padding-top: 84px;
    padding-bottom: 48px;
}

/* 顶部导航 */
.manual-header {
    min-height: 64px;
    background: rgba(255, 255, 255, .86) !important;
    border-bottom: 1px solid rgba(226, 232, 240, .88) !important;
    box-shadow: 0 1px 0 rgba(15, 23, 42, .02) !important;
    backdrop-filter: blur(18px) saturate(150%);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
}

.manual-header > .container {
    display: flex;
    align-items: center;
    width: min(1680px, calc(100% - 48px));
    max-width: 1680px;
    min-height: 64px;
    padding: 0;
}

.manual-header .navbar-header {
    display: flex;
    align-items: center;
    float: none;
    flex: 1;
    width: auto;
    min-height: 64px;
}

.manual-header .navbar-brand {
    display: inline-flex;
    align-items: center;
    height: 64px;
    margin-right: 24px;
    padding: 0;
    color: #0f172a !important;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -.02em;
}

.manual-header .brand-mark {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    margin-right: 10px;
    color: #fff;
    font-size: 14px;
    background: linear-gradient(145deg, var(--md-primary), #60a5fa);
    border-radius: 10px;
    box-shadow: 0 7px 18px rgba(var(--md-primary-rgb), .24);
}

.manual-header .brand-mark .fa {
    color: inherit;
}

.manual-header .site-brand-logo {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
}

.manual-header .navbar-collapse {
    display: flex !important;
    align-items: center;
    float: none;
    flex: 1;
    width: auto;
    padding: 0;
    border: 0;
}

.manual-header .navbar-nav {
    display: flex;
    align-items: center;
    margin: 0;
}

.manual-header .navbar-nav > li > a {
    height: 40px;
    margin: 0 2px;
    padding: 10px 13px;
    color: #475569 !important;
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
    border-radius: 9px;
}

.manual-header .navbar-nav > li > a:hover,
.manual-header .navbar-nav > li.active > a {
    color: #0f172a !important;
    background: #f1f5f9 !important;
}

.manual-header .navbar-nav > li > a::after {
    display: none !important;
}

.manual-header .searchbar {
    margin-left: 12px;
    padding: 0;
}

.manual-header .searchbar form {
    position: relative;
}

.manual-header .searchbar .form-control {
    width: 236px !important;
    height: 38px;
    padding: 8px 38px 8px 14px;
    color: #334155;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    box-shadow: none;
}

.manual-header .searchbar .form-control:focus {
    background: #fff;
    border-color: rgba(var(--md-primary-rgb), .55);
    box-shadow: var(--md-focus-ring);
}

.manual-header .searchbar .search-btn {
    position: absolute;
    top: 0;
    right: 0;
    width: 38px;
    height: 38px;
    color: #94a3b8;
    background: transparent;
    border: 0;
}

.manual-header .navbar-right {
    margin-left: auto;
}

.manual-header .user-info {
    display: flex;
    align-items: center;
    min-height: 46px;
    margin-left: 12px;
    padding: 5px 8px !important;
}

.manual-header .userbar-avatar {
    width: 34px;
    height: 34px;
    margin-right: 9px;
    border: 1px solid #e2e8f0;
}

.manual-header .userbar-content div {
    display: none;
}

.manual-header .user-info-dropdown,
.manual-header .dropdown-menu {
    padding: 7px !important;
    background: var(--md-bg-card) !important;
    border: 1px solid var(--md-border) !important;
    border-radius: 12px !important;
    box-shadow: var(--md-shadow-lg) !important;
}

/* 首页项目卡片 */
.home-page .manual-body.home-body {
    width: min(1680px, calc(100% - 48px));
    max-width: 1680px;
    margin-top: 64px;
    padding-top: 20px;
    padding-bottom: 40px;
}

.home-page .footer .container {
    width: min(1680px, calc(100% - 48px));
    max-width: 1680px;
}

.home-page .home-projects {
    position: relative;
    padding-top: 0;
}

.home-page .home-project-toolbar {
    position: relative;
    top: auto;
    right: auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-height: 32px;
    margin-bottom: 10px;
    padding: 0 2px;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.home-page .view-style-btn {
    position: relative;
    width: 42px;
    height: 32px;
    color: var(--md-text-secondary);
    background: var(--md-bg-card);
    border: 1px solid var(--md-border);
    border-radius: 9px;
    box-shadow: none;
    cursor: pointer;
    transition: color .15s ease, background-color .15s ease, border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

.home-page .view-style-btn:hover,
.home-page .view-style-btn:focus-visible,
.home-page .view-style-dropdown.open .view-style-btn {
    color: var(--md-primary);
    background: var(--md-bg-card);
    border-color: rgba(var(--md-primary-rgb), .32);
    box-shadow: var(--md-focus-ring);
    outline: none;
}

.home-page .view-style-btn:active {
    transform: scale(.96);
}

.home-page .view-style-caret {
    margin-left: 4px;
    font-size: 9px;
    opacity: .72;
    transition: transform .15s ease;
}

.home-page .view-style-dropdown.open .view-style-caret {
    transform: rotate(180deg);
}

.home-page .view-style-menu {
    right: 0;
    left: auto;
    min-width: 206px;
}

.home-page .view-style-divider {
    height: 1px;
    margin: 6px 4px;
    overflow: hidden;
    background: var(--md-border-light);
}

.home-page .view-style-dropdown:not(.is-grid-mode) .view-style-divider {
    display: none;
}

.home-page .grid-column-setting {
    padding: 5px 6px 6px;
}

.home-page .grid-column-setting[hidden] {
    display: none !important;
}

.home-page .grid-column-label {
    display: block;
    padding: 4px 4px 7px;
    color: var(--md-text-muted);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.3;
}

.home-page .grid-column-options {
    display: grid;
    grid-template-columns: 1.45fr repeat(4, minmax(0, 1fr));
    gap: 4px;
}

.home-page .grid-column-option {
    display: inline-grid;
    place-items: center;
    min-width: 0;
    height: 30px;
    padding: 0;
    color: var(--md-text-secondary);
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
    background: transparent;
    border: 1px solid var(--md-border-light);
    border-radius: 7px;
    cursor: pointer;
    transition: color .15s ease, background-color .15s ease, border-color .15s ease;
}

.home-page .grid-column-option:hover,
.home-page .grid-column-option:focus-visible {
    color: var(--md-primary);
    background: var(--md-primary-softer);
    border-color: rgba(var(--md-primary-rgb), .28);
    outline: none;
}

.home-page .grid-column-option.active {
    color: var(--md-primary);
    background: var(--md-primary-soft);
    border-color: rgba(var(--md-primary-rgb), .3);
}

.home-page .manual-list.view-grid {
    display: none;
    margin: 0;
}

.home-page .manual-list.view-grid.active {
    --home-grid-gap: 16px;
    --home-grid-min-card: 260px;
    display: grid;
    gap: var(--home-grid-gap);
    align-items: stretch;
    justify-content: stretch;
}

.home-page .manual-list.view-grid[data-cols="auto"].active {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

.home-page .manual-list.view-grid[data-cols="2"] {
    --home-grid-columns: 2;
    --home-grid-target-size: calc((100% - 16px) / 2);
}

.home-page .manual-list.view-grid[data-cols="3"] {
    --home-grid-columns: 3;
    --home-grid-target-size: calc((100% - 32px) / 3);
}

.home-page .manual-list.view-grid[data-cols="4"] {
    --home-grid-columns: 4;
    --home-grid-target-size: calc((100% - 48px) / 4);
}

.home-page .manual-list.view-grid[data-cols="5"] {
    --home-grid-columns: 5;
    --home-grid-target-size: calc((100% - 64px) / 5);
}

.home-page .manual-list.view-grid:not([data-cols="auto"]).active {
    grid-template-columns: repeat(
        auto-fit,
        minmax(
            min(100%, max(var(--home-grid-min-card), var(--home-grid-target-size))),
            1fr
        )
    );
}

.home-page .manual-list.view-list.active {
    width: min(1280px, 100%);
    margin-right: auto;
    margin-left: auto;
}

.home-page .manual-list.view-card {
    grid-template-columns: repeat(auto-fit, minmax(320px, 420px));
    justify-content: center;
    gap: 16px;
}

.home-page .manual-list > .clearfix {
    display: none;
}

.home-page .view-grid .list-item {
    float: none;
    display: flex;
    width: 100% !important;
    max-width: none;
    min-width: 0;
    margin: 0;
    padding: 18px;
    justify-self: stretch;
    background: var(--md-bg-card);
    border: 1px solid var(--md-border) !important;
    border-radius: 12px;
    box-shadow: none;
    animation: none;
    transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.home-page .view-grid .list-item:hover,
.home-page .view-grid .list-item:focus-within {
    transform: translateY(-1px);
    border-color: rgba(var(--md-primary-rgb), .28) !important;
    box-shadow: 0 8px 22px rgba(15, 23, 42, .07);
}

.home-page .manual-item-standard {
    position: relative;
    display: flex;
    flex: 1;
    flex-direction: column;
    width: 100%;
    height: 100%;
    min-height: 238px;
    margin: 0;
    padding: 0;
    overflow: visible;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    transition: none;
}

.home-page .manual-item-standard::before {
    display: none;
}

.home-page .manual-item-standard:hover {
    transform: none;
    box-shadow: none;
}

.home-page .home-book-heading {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
}

.home-page .home-book-cover {
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    overflow: hidden;
    background: var(--md-bg-subtle);
    border: 1px solid var(--md-border-light);
    border-radius: 10px;
}

.home-page .home-book-cover .cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: 0;
    border-radius: 0;
}

.home-page .home-book-heading-copy {
    min-width: 0;
}

.home-page .home-book-heading .name {
    display: block;
    max-width: 100%;
    overflow: hidden;
    color: var(--md-text) !important;
    font-size: 16px;
    font-weight: 650;
    line-height: 1.45;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.home-page .home-book-docs {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 3px;
    color: var(--md-text-muted);
    font-size: 12px;
    font-weight: 500;
}

.home-page .home-book-description {
    display: -webkit-box;
    min-height: 40px;
    margin: 0 0 13px;
    overflow: hidden;
    color: var(--md-text-secondary);
    font-size: 13px;
    line-height: 1.6;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.home-page .home-book-recent {
    display: flex;
    flex: 1;
    min-height: 82px;
    flex-direction: column;
    gap: 1px;
    margin: 0;
    padding: 12px 0 10px;
    background: transparent;
    border-top: 1px solid var(--md-border-light);
    border-radius: 0;
}

.home-page .home-book-section-label {
    display: block;
    padding: 0 5px 5px;
    color: var(--md-text-muted);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: .02em;
}

.home-page .home-book-recent a,
.home-page .home-book-empty {
    display: block;
    padding: 5px 6px;
    overflow: hidden;
    color: var(--md-text-secondary) !important;
    font-size: 12px;
    line-height: 1.45;
    text-overflow: ellipsis;
    white-space: nowrap;
    border-radius: 6px;
}

.home-page .home-book-recent a:hover {
    color: var(--md-primary) !important;
    background: var(--md-bg-subtle);
}

.home-page .home-book-recent a i {
    margin-right: 7px;
    color: var(--md-text-muted);
}

.home-page .home-book-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 11px;
    color: var(--md-text-muted);
    font-size: 12px;
    border-top: 1px solid var(--md-border-light);
}

.home-page .home-book-meta .author {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.home-page .home-book-meta .text {
    color: var(--md-text-secondary) !important;
    font-weight: 500;
}

/* 列表视图和大卡片视图沿用原功能，只统一视觉 */
.home-page .book-card-item,
.home-page .card-item-large {
    overflow: hidden;
    background: var(--md-bg-card);
    border: 1px solid var(--md-border);
    border-radius: 12px;
    box-shadow: none;
}

.home-page .book-card-item:hover,
.home-page .card-item-large:hover {
    border-color: rgba(var(--md-primary-rgb), .22);
    box-shadow: 0 8px 22px rgba(15, 23, 42, .07);
}

/* 搜索、文章、项目空间公共页面 */
.manual-search-reader {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

.manual-search-reader .manual-body {
    flex: 1 0 auto;
    width: min(1080px, calc(100% - 48px));
    max-width: none;
    margin-inline: auto;
}

.manual-search-reader .itemsets-page,
.manual-search-reader .itemset-detail-page {
    width: min(1240px, calc(100% - 48px));
}

.manual-search-reader .blog-list-page {
    width: min(1040px, calc(100% - 48px));
}

.manual-search-reader .blog-reader-page {
    width: min(920px, calc(100% - 48px));
}

.portal-page-heading {
    margin: 12px 0 24px;
}

.portal-page-heading h1 {
    margin: 0;
    color: var(--md-text);
    font-size: clamp(24px, 2vw, 30px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -.035em;
    text-wrap: balance;
}

.portal-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 28px;
    margin-bottom: 8px;
    color: var(--md-text-muted) !important;
    font-size: 13px;
    font-weight: 500;
}

.portal-back-link:hover {
    color: var(--md-primary) !important;
}

.portal-back-link:focus-visible {
    outline: 2px solid rgba(var(--md-primary-rgb), .45);
    outline-offset: 3px;
    border-radius: 4px;
}

.manual-search-reader .search-head {
    margin: 16px 0 22px;
    padding: 0;
    border: 0;
}

.manual-search-reader .search-title {
    color: var(--md-text);
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -.035em;
}

.manual-search-reader .manual-list {
    padding: 0;
    background: transparent;
    border: 0;
}

.manual-search-reader .manual-list > .list-item {
    float: left;
    width: calc(33.333% - 14px);
    height: auto;
    min-height: 230px;
    margin: 0 7px 16px;
    padding: 18px;
    background: var(--md-bg-card);
    border: 1px solid var(--md-border);
    border-radius: 12px;
    box-shadow: none;
    transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.manual-search-reader .manual-list > .list-item:hover {
    transform: translateY(-1px);
    border-color: rgba(var(--md-primary-rgb), .24);
    box-shadow: var(--md-shadow-hover);
}

.manual-search-reader .manual-list:not(.view-grid) > .list-item .manual-item-standard {
    float: none;
    width: 100%;
    margin: 0;
    padding: 0;
}

.manual-search-reader .manual-list:not(.view-grid) > .list-item .manual-item-standard > dt {
    height: auto;
    margin-bottom: 0;
}

.manual-search-reader .manual-list:not(.view-grid) > .list-item .cover {
    width: 58px;
    height: 58px;
    object-fit: cover;
    border: 0;
    border-radius: 12px;
}

.manual-search-reader .manual-list:not(.view-grid) > .list-item .name {
    display: block;
    margin-top: 14px;
    overflow: hidden;
    color: var(--md-text) !important;
    font-size: 17px;
    font-weight: 650;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.manual-search-reader .manual-list:not(.view-grid) > .list-item .author {
    display: block;
    margin-top: 12px;
    color: var(--md-text-muted);
    font-size: 12px;
}

.manual-search-reader .search-item {
    margin-bottom: 12px;
    padding: 20px 22px;
    background: var(--md-bg-card);
    border: 1px solid var(--md-border);
    border-radius: 12px;
    box-shadow: none;
    transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

.manual-search-reader .search-item:hover {
    transform: translateY(-1px);
    border-color: rgba(var(--md-primary-rgb), .24);
    box-shadow: var(--md-shadow-hover);
}

.manual-search-reader .search-item .title {
    margin-bottom: 8px;
    color: var(--md-text);
    font-size: 17px;
    font-weight: 650;
}

.manual-search-reader .search-item .title a {
    color: var(--md-text);
}

.manual-search-reader .search-item .title a:hover {
    color: var(--md-primary);
}

.manual-search-reader .search-item .description {
    color: var(--md-text-secondary);
    font-size: 13px;
    line-height: 1.75;
}

.manual-search-reader .search-item .source {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin-top: 13px;
    color: var(--md-text-muted);
    font-size: 12px;
}

.manual-search-reader .label,
.manual-search-reader .mark-doc,
.manual-search-reader .mark-book,
.manual-search-reader .mark-blog {
    display: inline-flex;
    align-items: center;
    min-height: 22px;
    padding: 3px 8px;
    color: var(--md-primary) !important;
    font-size: 11px;
    font-weight: 600;
    background: var(--md-primary-soft) !important;
    border: 0;
    border-radius: 6px;
}

.manual-search-reader em {
    color: var(--md-primary);
    font-style: normal;
    background: rgba(var(--md-primary-rgb), .1);
    border-radius: 3px;
}

.tag-container-outer {
    display: block !important;
}

/* 项目空间 */
.itemset-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    align-items: stretch;
}

.itemset-card {
    display: grid;
    min-width: 0;
    min-height: 132px;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
    padding: 18px;
    color: var(--md-text-secondary) !important;
    background: var(--md-bg-card);
    border: 1px solid var(--md-border);
    border-radius: 12px;
    box-shadow: none;
    transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.itemset-card:hover {
    color: var(--md-text-secondary) !important;
    transform: translateY(-1px);
    border-color: rgba(var(--md-primary-rgb), .3);
    box-shadow: var(--md-shadow-hover);
}

.itemset-card:focus-visible,
.itemset-book-card:focus-visible {
    outline: 2px solid rgba(var(--md-primary-rgb), .48);
    outline-offset: 2px;
}

.itemset-card-icon {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    color: var(--md-primary);
    font-size: 18px;
    background: var(--md-primary-soft);
    border-radius: 10px;
}

.itemset-card-content {
    display: flex;
    min-width: 0;
    height: 100%;
    flex-direction: column;
}

.itemset-card-heading {
    display: flex;
    min-width: 0;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.itemset-card-heading strong {
    min-width: 0;
    overflow: hidden;
    color: var(--md-text);
    font-size: 16px;
    font-weight: 650;
    line-height: 1.45;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.itemset-card-heading .fa {
    flex: 0 0 auto;
    margin-top: 4px;
    color: var(--md-text-muted);
    transition: color .15s ease, transform .15s ease;
}

.itemset-card:hover .itemset-card-heading .fa {
    color: var(--md-primary);
    transform: translateX(2px);
}

.itemset-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 7px 14px;
    margin-top: 14px;
    color: var(--md-text-secondary);
    font-size: 12px;
    line-height: 1.4;
}

.itemset-card-meta > span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.itemset-card-meta .fa,
.itemset-card-time .fa {
    color: var(--md-text-muted);
}

.itemset-card-time {
    display: block;
    margin-top: auto;
    padding-top: 10px;
    color: var(--md-text-muted);
    font-size: 11px;
    font-variant-numeric: tabular-nums;
}

.itemset-empty {
    grid-column: 1 / -1;
}

/* 项目空间内的项目 */
.itemset-book-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.itemset-book-card {
    display: grid;
    min-width: 0;
    min-height: 90px;
    grid-template-columns: 48px minmax(0, 1fr) 24px;
    gap: 13px;
    align-items: center;
    padding: 14px;
    color: var(--md-text-secondary) !important;
    background: var(--md-bg-card);
    border: 1px solid var(--md-border);
    border-radius: 12px;
    box-shadow: none;
    transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.itemset-book-card:hover {
    color: var(--md-text-secondary) !important;
    transform: translateY(-1px);
    border-color: rgba(var(--md-primary-rgb), .3);
    box-shadow: var(--md-shadow-hover);
}

.itemset-book-cover {
    width: 48px;
    height: 60px;
    overflow: hidden;
    background: var(--md-bg-subtle);
    border-radius: 8px;
    outline: 1px solid rgba(0, 0, 0, .08);
}

.itemset-book-cover img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.itemset-book-content {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 8px;
}

.itemset-book-content strong {
    display: -webkit-box;
    overflow: hidden;
    color: var(--md-text);
    font-size: 15px;
    font-weight: 650;
    line-height: 1.45;
    text-wrap: pretty;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.itemset-book-content > span {
    display: inline-flex;
    min-width: 0;
    align-items: center;
    gap: 6px;
    overflow: hidden;
    color: var(--md-text-muted);
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.itemset-book-arrow {
    color: var(--md-text-muted);
    font-size: 12px;
    transition: color .15s ease, transform .15s ease;
}

.itemset-book-card:hover .itemset-book-arrow {
    color: var(--md-primary);
    transform: translateX(2px);
}

/* 文章列表 */
.blog-list-surface {
    overflow: hidden;
    background: var(--md-bg-card);
    border: 1px solid var(--md-border);
    border-radius: 12px;
}

.blog-list-item {
    position: relative;
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 18px;
    justify-content: space-between;
    padding: 20px 22px;
    background: var(--md-bg-card);
    border-bottom: 1px solid var(--md-border-light);
    transition: background-color .15s ease, box-shadow .15s ease;
}

.blog-list-item:last-child {
    border-bottom: 0;
}

.blog-list-item:hover {
    background: var(--md-bg-subtle);
}

.blog-list-item:focus-within {
    z-index: 1;
    box-shadow: inset 0 0 0 2px rgba(var(--md-primary-rgb), .34);
}

.blog-list-copy {
    min-width: 0;
}

.blog-list-heading {
    display: flex;
    min-width: 0;
    flex-wrap: wrap;
    align-items: center;
    gap: 7px 10px;
}

.blog-list-heading h2 {
    min-width: 0;
    margin: 0;
    font-size: 17px;
    font-weight: 650;
    line-height: 1.4;
}

.blog-list-heading h2 a {
    color: var(--md-text) !important;
    text-underline-position: from-font;
}

.blog-list-heading h2 a:hover {
    color: var(--md-primary) !important;
}

.blog-list-heading h2 a:focus-visible {
    outline: 2px solid rgba(var(--md-primary-rgb), .48);
    outline-offset: 3px;
    border-radius: 3px;
}

.blog-status {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 5px;
    min-height: 22px;
    padding: 3px 7px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    border-radius: 6px;
}

.blog-status.is-encrypted {
    color: #8a5d00;
    background: #fff8c5;
}

.blog-status.is-private {
    color: #b42318;
    background: #fff1f0;
}

.blog-list-excerpt {
    display: -webkit-box;
    max-width: 74ch;
    margin: 7px 0 0;
    overflow: hidden;
    color: var(--md-text-secondary);
    font-size: 13px;
    line-height: 1.65;
    text-wrap: pretty;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.blog-list-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 7px 16px;
    margin-top: 10px;
    color: var(--md-text-muted);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.blog-list-meta > span,
.blog-list-meta > time {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.blog-list-arrow {
    flex: 0 0 auto;
    color: var(--md-text-muted);
    transition: color .15s ease, transform .15s ease;
}

.blog-list-item:hover .blog-list-arrow {
    color: var(--md-primary);
    transform: translateX(2px);
}

.blog-list-empty {
    border: 0;
    border-radius: 0;
}

/* 文章详情 */
.blog-article {
    overflow: hidden;
    background: var(--md-bg-card);
    border: 1px solid var(--md-border);
    border-radius: 12px;
    box-shadow: var(--md-shadow-sm);
}

.blog-article-header {
    padding: clamp(28px, 5vw, 48px) clamp(24px, 6vw, 56px) 26px;
    border-bottom: 1px solid var(--md-border-light);
}

.blog-article-header h1 {
    max-width: 28ch;
    margin: 0;
    color: var(--md-text);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 750;
    line-height: 1.18;
    letter-spacing: -.045em;
    overflow-wrap: break-word;
    text-wrap: balance;
}

.blog-article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 9px 16px;
    margin-top: 20px;
    color: var(--md-text-muted);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.blog-article-meta > span,
.blog-article-meta > time,
.blog-edit-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.blog-article-author {
    color: var(--md-text-secondary);
    font-weight: 600;
}

.blog-article-author img {
    display: block;
    width: 28px;
    height: 28px;
    object-fit: cover;
    border-radius: 50%;
    outline: 1px solid rgba(0, 0, 0, .1);
}

.blog-edit-link {
    min-height: 28px;
    padding: 4px 8px;
    color: var(--md-primary) !important;
    background: var(--md-primary-softer);
    border-radius: 6px;
    font-weight: 600;
}

.blog-edit-link:hover {
    background: var(--md-primary-soft);
}

.blog-edit-link:focus-visible {
    outline: 2px solid rgba(var(--md-primary-rgb), .48);
    outline-offset: 2px;
}

.blog-article-content.editormd-preview-container {
    box-sizing: border-box;
    width: min(100%, 78ch);
    max-width: 78ch;
    margin: 0 auto;
    padding: clamp(28px, 5vw, 52px) clamp(22px, 5vw, 44px) clamp(38px, 6vw, 64px) !important;
    color: var(--md-text);
    background: transparent !important;
    border: 0;
    font-size: 16px;
    line-height: 1.72;
    overflow-wrap: break-word;
}

.blog-article-content > :first-child {
    margin-top: 0 !important;
}

.blog-article-content > :last-child {
    margin-bottom: 0 !important;
}

.blog-article-content h2,
.blog-article-content h3,
.blog-article-content h4 {
    color: var(--md-text);
    scroll-margin-top: 84px;
}

.blog-article-content p,
.blog-article-content li {
    line-height: 1.72;
}

.blog-article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    outline: 1px solid rgba(0, 0, 0, .1);
}

.blog-article-content pre {
    overflow: auto;
    border: 1px solid var(--md-border);
    border-radius: 10px;
}

.blog-article-content table {
    display: block;
    width: max-content;
    max-width: 100%;
    overflow-x: auto;
    border-color: var(--md-border);
}

.blog-article-content blockquote {
    color: var(--md-text-secondary);
    background: var(--md-bg-subtle);
    border-left-color: var(--md-primary);
    border-radius: 0 8px 8px 0;
}

.blog-attachment-list {
    margin-top: 40px;
    padding: 18px;
    background: var(--md-bg-subtle);
    border: 1px solid var(--md-border-light);
    border-radius: 10px;
}

.blog-attachment-list h2 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 12px;
    padding: 0;
    font-size: 15px;
    font-weight: 650;
    border: 0;
}

.blog-attachment-list ul {
    margin: 0;
    padding-inline-start: 22px;
}

.blog-attachment-list li + li {
    margin-top: 6px;
}

.blog-article-navigation {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.blog-nav-card {
    display: flex;
    min-width: 0;
    min-height: 84px;
    flex-direction: column;
    justify-content: center;
    gap: 7px;
    padding: 15px 17px;
    color: var(--md-text-secondary) !important;
    background: var(--md-bg-card);
    border: 1px solid var(--md-border);
    border-radius: 12px;
    transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

a.blog-nav-card:hover {
    color: var(--md-text-secondary) !important;
    transform: translateY(-1px);
    border-color: rgba(var(--md-primary-rgb), .28);
    box-shadow: var(--md-shadow-hover);
}

a.blog-nav-card:focus-visible {
    outline: 2px solid rgba(var(--md-primary-rgb), .48);
    outline-offset: 2px;
}

.blog-nav-card > span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--md-text-muted);
    font-size: 11px;
    font-weight: 600;
}

.blog-nav-card strong {
    overflow: hidden;
    color: var(--md-text);
    font-size: 14px;
    font-weight: 650;
    line-height: 1.45;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.blog-nav-card.is-next {
    align-items: flex-end;
    text-align: end;
}

.blog-nav-card.is-disabled {
    opacity: .58;
}

/* 分页与空状态 */
.pagination-container {
    margin-top: 28px;
}

.pagination > li > a,
.pagination > li > span {
    min-width: 36px;
    height: 36px;
    margin: 0 3px;
    padding: 8px 11px;
    color: var(--md-text-secondary);
    background: var(--md-bg-card);
    border: 1px solid var(--md-border);
    border-radius: 9px !important;
}

.pagination > .active > a,
.pagination > .active > span {
    color: #fff;
    background: var(--md-primary);
    border-color: var(--md-primary);
}

.search-empty,
.empty-state {
    padding: 64px 20px !important;
    color: var(--md-text-muted);
    background: var(--md-bg-card);
    border: 1px dashed var(--md-border);
    border-radius: 12px;
}

/* 页脚链接：沿用后台配置的品牌色，前台仅做轻量质感优化 */
.manual-container > .footer {
    flex: 0 0 auto;
    margin-top: auto;
    padding: 0 0 24px;
    background: transparent !important;
    border: 0;
}

.manual-container > .footer .container {
    width: min(1240px, calc(100% - 48px));
    max-width: none;
    margin-inline: auto;
}

.footer-content {
    display: flex;
    width: 100%;
    max-width: 820px;
    margin-inline: auto;
    flex-direction: column;
    align-items: center;
}

.footer-links-wrapper {
    width: 100%;
    justify-content: center;
    gap: 9px;
    padding: 18px 0 0;
    text-align: center;
    border-top: 1px solid var(--md-border-light);
}

.footer .footer-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 6px 14px !important;
    color: var(--footer-link-color, #fff) !important;
    background: var(--footer-link-background, var(--md-primary)) !important;
    border: 1px solid transparent !important;
    border-radius: 7px !important;
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, .12),
        0 1px 2px rgba(15, 23, 42, .12) !important;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.25;
    transition: box-shadow .15s ease, filter .15s ease, opacity .15s ease, transform .15s ease;
}

.footer .footer-link:hover {
    color: var(--footer-link-color, #fff) !important;
    background: var(--footer-link-background, var(--md-primary)) !important;
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, .16),
        0 6px 14px rgba(15, 23, 42, .16) !important;
    filter: brightness(1.04) saturate(1.02);
    opacity: 1;
    transform: translateY(-1px);
}

.footer .footer-link:active {
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, .1),
        0 1px 2px rgba(15, 23, 42, .12) !important;
    filter: none;
    transform: scale(.96);
}

.footer .footer-link:focus-visible {
    outline: 2px solid rgba(var(--md-primary-rgb), .48);
    outline-offset: 2px;
}

.footer-beian {
    width: 100%;
    padding: 11px 0 0;
    text-align: center;
}

/* 主题组件 */
#md-theme-fab {
    width: 42px !important;
    height: 42px !important;
    right: 22px !important;
    bottom: 22px !important;
    color: var(--md-text-secondary) !important;
    background: rgba(255, 255, 255, .9) !important;
    border: 1px solid var(--md-border) !important;
    border-radius: 12px !important;
    box-shadow: var(--md-shadow-lg) !important;
    backdrop-filter: blur(12px);
}

html[data-theme="dark"] body {
    background: var(--md-bg) !important;
}

html[data-theme="dark"] .manual-header {
    background: rgba(23, 24, 28, .88) !important;
    border-color: var(--md-border-light) !important;
}

html[data-theme="dark"] .manual-header .navbar-brand,
html[data-theme="dark"] .manual-header .navbar-nav > li > a:hover,
html[data-theme="dark"] .manual-header .navbar-nav > li.active > a,
html[data-theme="dark"] .manual-header .navbar-mobile a,
html[data-theme="dark"] .home-page .home-book-heading .name,
html[data-theme="dark"] .manual-search-reader .search-title,
html[data-theme="dark"] .manual-search-reader .search-item .title,
html[data-theme="dark"] .manual-search-reader .search-item .title a {
    color: var(--md-text) !important;
}

html[data-theme="dark"] .manual-header .navbar-nav > li > a:hover,
html[data-theme="dark"] .manual-header .navbar-nav > li.active > a {
    background: var(--md-bg-subtle) !important;
}

html[data-theme="dark"] .manual-header .searchbar .form-control {
    color: var(--md-text);
    background: var(--md-bg-subtle);
    border-color: var(--md-border);
}

html[data-theme="dark"] .home-page .view-grid .list-item,
html[data-theme="dark"] .manual-search-reader .search-item,
html[data-theme="dark"] .manual-search-reader .manual-list > .list-item,
html[data-theme="dark"] .itemset-card,
html[data-theme="dark"] .itemset-book-card,
html[data-theme="dark"] .blog-list-surface,
html[data-theme="dark"] .blog-list-item,
html[data-theme="dark"] .blog-article,
html[data-theme="dark"] .blog-nav-card {
    background: var(--md-bg-card);
    border-color: var(--md-border);
}

html[data-theme="dark"] .home-page .manual-item-standard {
    background: transparent;
    border-color: transparent;
}

html[data-theme="dark"] .home-page .home-project-toolbar {
    background: transparent;
    border-color: transparent;
}

html[data-theme="dark"] .home-page .home-book-recent a:hover,
html[data-theme="dark"] .blog-list-item:hover {
    background: var(--md-bg-subtle);
}

html[data-theme="dark"] .itemset-book-cover,
html[data-theme="dark"] .blog-article-author img,
html[data-theme="dark"] .blog-article-content img {
    outline-color: rgba(255, 255, 255, .1);
}

html[data-theme="dark"] .blog-status.is-encrypted {
    color: #f2cc60;
    background: rgba(187, 128, 9, .18);
}

html[data-theme="dark"] .blog-status.is-private {
    color: #ff7b72;
    background: rgba(248, 81, 73, .14);
}

html[data-theme="dark"] .blog-article-content,
html[data-theme="dark"] .blog-article-content h2,
html[data-theme="dark"] .blog-article-content h3,
html[data-theme="dark"] .blog-article-content h4 {
    color: var(--md-text);
}

html[data-theme="dark"] #md-theme-fab {
    color: var(--md-text-secondary) !important;
    background: rgba(32, 33, 38, .92) !important;
}

@media (max-width: 1199px) {
    .manual-header > .container {
        width: calc(100% - 48px);
    }

    .manual-search-reader .manual-list > .list-item {
        width: calc(50% - 14px);
    }

    .itemset-grid,
    .itemset-book-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 992px) and (max-width: 1399px) {
    .home-page .manual-list.view-card {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }

    .home-page .manual-list.view-card > .card-item-large {
        width: 100%;
        max-width: 420px;
        justify-self: center;
    }
}

@media (max-width: 991px) {
    .manual-header .navbar-collapse {
        display: none !important;
    }

    .manual-header .navbar-mobile {
        display: flex !important;
        align-items: center;
        gap: 14px;
        margin-left: auto;
    }

    .manual-header .navbar-mobile a {
        color: var(--md-text-secondary) !important;
        font-size: 13px;
    }

    .home-page .manual-list.view-card {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        justify-content: stretch;
    }
}

@media (max-width: 767px) {
    .manual-container .manual-body {
        padding-top: 76px;
        padding-bottom: 36px;
    }

    .manual-header > .container,
    .home-page .manual-body.home-body,
    .manual-search-reader .manual-body,
    .manual-container > .footer .container {
        width: calc(100% - 24px);
    }

    .manual-header .navbar-brand {
        margin-right: 8px;
        font-size: 15px;
    }

    .manual-header .brand-mark {
        width: 32px;
        height: 32px;
    }

    .home-page .home-project-toolbar {
        min-height: 32px;
        margin-bottom: 10px;
        padding: 0;
    }

    .home-page .manual-list.view-card,
    .itemset-grid,
    .itemset-book-grid {
        grid-template-columns: 1fr;
        justify-content: stretch;
    }

    .manual-search-reader .manual-list > .list-item {
        float: none;
        width: 100%;
        min-height: 0;
        margin-right: 0;
        margin-left: 0;
    }

    .home-page .manual-item-standard {
        min-height: 0;
    }

    .portal-page-heading {
        margin: 7px 0 18px;
    }

    .portal-page-heading h1 {
        font-size: 24px;
    }

    .itemset-card {
        min-height: 0;
    }

    .manual-search-reader .search-item {
        padding: 17px;
    }

    .manual-search-reader .search-item .source {
        display: block;
    }

    .manual-search-reader .search-item .source .item {
        display: block;
        margin-top: 5px;
    }

    .blog-list-item {
        padding: 17px;
    }

    .blog-list-arrow {
        display: none;
    }

    .blog-article-header {
        padding: 25px 20px 22px;
    }

    .blog-article-header h1 {
        font-size: clamp(26px, 8vw, 34px);
    }

    .blog-article-content.editormd-preview-container {
        padding: 26px 20px 38px !important;
    }

    .blog-article-navigation {
        grid-template-columns: 1fr;
    }

    .blog-nav-card.is-next {
        align-items: flex-start;
        text-align: start;
    }

    .footer-links-wrapper {
        gap: 8px;
        padding: 16px 0 0;
    }

    .footer .footer-link {
        min-height: 30px;
        padding: 5px 11px !important;
    }
}

@media (max-width: 520px) {
    .itemset-card {
        grid-template-columns: 38px minmax(0, 1fr);
        gap: 12px;
        padding: 15px;
    }

    .itemset-card-icon {
        width: 38px;
        height: 38px;
        font-size: 16px;
        border-radius: 9px;
    }

    .itemset-book-card {
        grid-template-columns: 44px minmax(0, 1fr);
        padding: 13px;
    }

    .itemset-book-cover {
        width: 44px;
        height: 56px;
    }

    .itemset-book-arrow {
        display: none;
    }

    .blog-article {
        border-radius: 10px;
    }

    .blog-article-meta {
        align-items: flex-start;
        flex-direction: column;
    }

    .blog-nav-card {
        min-height: 76px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}