/* ==========================================================================
   nav-v2.css — 版式升级层（在 nav.css 之后加载，覆盖 xenon 默认布局）
   组成：顶栏 / 可折叠侧栏 / 分区卡 + 子分类切换 / 工具胶囊网格 / 搜索弹层
   注意：xenon 的侧栏规则多为 `.sidebar-menu .xxx` 复合选择器，
        本文件相应规则统一加 `.sidebar-menu` / `.page-container` 前缀以保证优先级。
   ========================================================================== */

:root {
    --sb-w: 264px;
    --sb-w-min: 76px;
    --brand: #f5a623;
    --brand-ink: #9a6200;
    --brand-soft: rgba(245, 166, 35, .14);
    --ink: #1b2130;
    --ink-2: #4b5563;
    --muted: #8b93a3;
    --line: #e9ecf2;
    --bg: #f4f6f8;
    --card: #ffffff;
    --r: 14px;
    --r-sm: 10px;
    --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 12px 32px -18px rgba(16, 24, 40, .22);
}

body.page-body {
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    -webkit-font-smoothing: antialiased;
    font-size: 14px;
}

/* ---------- 1. 布局：table -> flex ---------- */
.page-container {
    display: flex;
    align-items: stretch;
    max-width: none;
    margin: 0;
    table-layout: auto;
    min-height: 100vh;
}

.page-container .sidebar-menu {
    display: block;
    flex: 0 0 var(--sb-w);
    width: var(--sb-w);
    background: #1c1e21;
    position: relative;
    transition: flex-basis .22s ease, width .22s ease;
    z-index: 3;
}

.page-container .sidebar-menu.fixed .sidebar-menu-inner {
    position: fixed;
    top: 0;
    left: 0;
    bottom: auto;
    width: var(--sb-w);
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    transition: width .22s ease;
    scrollbar-width: thin;
}

.page-container .sidebar-menu.fixed .sidebar-menu-inner::-webkit-scrollbar { width: 4px; }
.page-container .sidebar-menu.fixed .sidebar-menu-inner::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, .12); border-radius: 4px; }

.page-container .main-content {
    display: block;
    flex: 1 1 auto;
    min-width: 0;
    width: auto;
    padding: 0;
    background: var(--bg);
    display: flex;
    flex-direction: column;
}

.wrap {
    flex: 1 1 auto;
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 22px 28px 48px;
}

/* ---------- 2. 侧栏 ---------- */
.sidebar-menu .logo-env {
    padding: 18px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
    position: relative;
    margin-bottom: 0;
}

.sidebar-menu .logo-env .logo { float: none; }

.sidebar-menu .logo-env .logo a {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.sidebar-menu .logo-env img { display: block; }
.sidebar-menu .logo-env .lg-full { width: 132px; height: auto; }
.sidebar-menu .logo-env .lg-mini { display: none; width: 30px; height: 30px; object-fit: contain; }

.sidebar-menu .main-menu {
    padding: 10px 12px 18px;
    margin: 0;
    list-style: none;
}

.sidebar-menu .main-menu > li { margin-bottom: 2px; }

.sidebar-menu .main-menu > li > a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: 9px;
    color: #c9ccd3;
    font-size: 13.5px;
    line-height: 1.4;
    text-decoration: none;
    white-space: nowrap;
    border: 0;
    transition: background .16s ease, color .16s ease;
}

.sidebar-menu .main-menu > li > a:hover { background: rgba(255, 255, 255, .07); color: #fff; }

.sidebar-menu .main-menu > li > a > i {
    width: 18px;
    font-size: 15px;
    text-align: center;
    opacity: .85;
    flex: 0 0 18px;
    margin-right: 0;
}

.sidebar-menu .main-menu > li.is-active > a {
    background: var(--brand-soft);
    color: #ffca70;
}

.sidebar-menu .main-menu > li.is-active > a > i { opacity: 1; }

.sidebar-menu .main-menu ul {
    display: block;
    list-style: none;
    margin: 2px 0 6px;
    padding: 0 0 0 28px;
    overflow: visible;
}

.sidebar-menu .main-menu ul li a {
    display: block;
    padding: 6px 8px;
    border-radius: 7px;
    color: #9ba1ac;
    font-size: 12.5px;
    line-height: 1.4;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border: 0;
    transition: background .16s ease, color .16s ease;
}

.sidebar-menu .main-menu ul li a:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.sidebar-menu .main-menu ul li.is-active > a { color: var(--brand); background: rgba(245, 166, 35, .1); }

/* 收起按钮 */
.sb-toggle {
    display: flex;
    align-items: center;
    gap: 9px;
    width: calc(100% - 24px);
    margin: 0 12px 18px;
    padding: 8px 10px;
    background: rgba(255, 255, 255, .05);
    border: 0;
    border-radius: 9px;
    color: #9ba1ac;
    font-size: 12.5px;
    font-family: inherit;
    cursor: pointer;
    transition: background .16s ease, color .16s ease;
}

.sb-toggle:hover { background: rgba(255, 255, 255, .1); color: #fff; }
.sb-toggle i { width: 18px; text-align: center; transition: transform .22s ease; }

/* 折叠态 */
body.sb-collapsed { --sb-w: var(--sb-w-min); }

body.sb-collapsed .page-container .sidebar-menu.fixed .sidebar-menu-inner { overflow: visible; }
body.sb-collapsed .sidebar-menu .lg-full { display: none; }
body.sb-collapsed .sidebar-menu .lg-mini { display: block; }
body.sb-collapsed .sidebar-menu .logo-env { padding: 18px 0; }
body.sb-collapsed .sidebar-menu .logo-env .logo a { justify-content: center; }
body.sb-collapsed .sidebar-menu .main-menu { padding: 10px 12px 18px; }
body.sb-collapsed .sidebar-menu .main-menu > li > a { justify-content: center; padding: 10px 0; }
body.sb-collapsed .sidebar-menu .main-menu > li > a .title,
body.sb-collapsed .sb-toggle span { display: none; }
body.sb-collapsed .sb-toggle { justify-content: center; padding: 8px 0; }
body.sb-collapsed .sb-toggle i { transform: rotate(180deg); }

body.sb-collapsed .sidebar-menu .main-menu > li > ul {
    display: none;
    position: absolute;
    left: calc(100% + 12px);
    top: 0;
    width: 178px;
    padding: 8px;
    margin: 0;
    background: #26292d;
    border-radius: 10px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, .45);
    z-index: 50;
}

body.sb-collapsed .sidebar-menu .main-menu > li { position: relative; }
body.sb-collapsed .sidebar-menu .main-menu > li:hover > ul { display: block; }
body.sb-collapsed .sidebar-menu .main-menu > li > ul li a { padding: 7px 10px; display: block; }

/* ---------- 3. 顶栏 ---------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    gap: 14px;
    height: 64px;
    padding: 0 28px;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: saturate(1.6) blur(14px);
    -webkit-backdrop-filter: saturate(1.6) blur(14px);
    border-bottom: 1px solid var(--line);
}

.tb-burger {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 9px;
    background: transparent;
    color: var(--ink);
    font-size: 16px;
    cursor: pointer;
}

.tb-burger:hover { background: #eef0f4; }

.tb-brand { display: none; font-size: 15px; font-weight: 500; color: var(--ink); text-decoration: none; white-space: nowrap; }

.tb-nav { display: flex; align-items: center; gap: 2px; flex: 1 1 auto; min-width: 0; overflow: hidden; }

.tb-link {
    position: relative;
    padding: 7px 11px;
    border-radius: 8px;
    font-size: 13.5px;
    color: var(--ink-2);
    text-decoration: none;
    white-space: nowrap;
    transition: color .16s ease, background .16s ease;
}

.tb-link:hover { color: var(--ink); background: #f1f3f6; }
.tb-link.is-active { color: var(--ink); font-weight: 500; }
.tb-link.is-active::after {
    content: "";
    position: absolute;
    left: 11px;
    right: 11px;
    bottom: 1px;
    height: 2px;
    border-radius: 2px;
    background: var(--brand);
}

.tb-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }

.tb-search {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 36px;
    padding: 0 10px 0 12px;
    min-width: 236px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: #f7f8fa;
    color: var(--muted);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: border-color .16s ease, background .16s ease;
}

.tb-search:hover { border-color: #d7dce5; background: #fff; }
.tb-search i { font-size: 13px; }
.tb-search span { flex: 1 1 auto; text-align: left; }

kbd.tb-kbd {
    padding: 1px 5px;
    border: 1px solid #e2e6ed;
    border-radius: 5px;
    background: #fff;
    color: #9aa1ad;
    font-size: 11px;
    font-family: inherit;
    line-height: 16px;
}

.tb-cta {
    display: inline-flex;
    align-items: center;
    height: 36px;
    padding: 0 14px;
    border-radius: 9px;
    background: var(--ink);
    color: #fff;
    font-size: 13px;
    text-decoration: none;
    white-space: nowrap;
    transition: background .16s ease;
}

.tb-cta:hover { background: #2c3446; color: #fff; text-decoration: none; }

/* ---------- 4. Hero ---------- */
.hero { padding: 26px 0 6px; }

.hero h1 {
    margin: 0 0 8px;
    font-size: 26px;
    line-height: 1.25;
    font-weight: 600;
    letter-spacing: -.2px;
    color: var(--ink);
}

.hero p { margin: 0 0 16px; color: var(--muted); font-size: 13.5px; }

.hero-search {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    max-width: 560px;
    height: 46px;
    padding: 0 12px 0 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    box-shadow: var(--shadow);
    color: var(--muted);
    font-size: 14px;
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: border-color .16s ease;
}

.hero-search:hover { border-color: #cfd6e2; }
.hero-search i { color: var(--muted); }
.hero-search span { flex: 1 1 auto; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.hero-stats { display: flex; gap: 18px; margin-top: 14px; color: var(--muted); font-size: 12.5px; }
.hero-stats b { color: var(--ink); font-weight: 500; }

.home-intro {
    margin: 14px 0 2px;
    max-width: 900px;
    color: var(--ink-2);
    font-size: 13px;
    line-height: 1.9;
}
.home-intro a { color: var(--brand-ink); text-decoration: none; border-bottom: 1px solid var(--brand-soft); }
.home-intro a:hover { border-bottom-color: var(--brand); }

.cat-intro ul { margin: 8px 0 4px; padding-left: 20px; }
.cat-intro li { margin: 3px 0; }
.cat-intro p { margin: 8px 0; }

/* ---------- 5. 分区卡 ---------- */
.sec {
    margin-top: 18px;
    padding: 16px 18px 18px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--r);
    box-shadow: 0 1px 2px rgba(16, 24, 40, .03);
    scroll-margin-top: 80px;
}

.sec-head {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.sec-t {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    white-space: nowrap;
}

.sec-t i { color: var(--brand-ink); font-size: 15px; opacity: .9; }

.sec-n {
    padding: 0 7px;
    border-radius: 20px;
    background: #f1f3f6;
    color: var(--muted);
    font-size: 11.5px;
    font-weight: 400;
    line-height: 19px;
}

.tabs { display: flex; align-items: center; gap: 4px; flex: 1 1 auto; flex-wrap: wrap; min-width: 0; }

.tab {
    padding: 5px 10px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--ink-2);
    font-size: 12.5px;
    font-family: inherit;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: background .16s ease, color .16s ease;
}

.tab:hover { background: #f2f4f7; color: var(--ink); text-decoration: none; }
.tab.on { background: var(--brand-soft); color: var(--brand-ink); font-weight: 500; }

.sec-more {
    flex: 0 0 auto;
    font-size: 12px;
    color: var(--muted);
    text-decoration: none;
    white-space: nowrap;
}

.sec-more:hover { color: var(--brand-ink); }

.sec-hint { margin-left: auto; font-size: 12px; color: var(--muted); white-space: nowrap; }
.sec-hint a { color: var(--brand-ink); text-decoration: none; }
.sec-hint a:hover { text-decoration: underline; }

/* ---------- 6. 胶囊网格 ---------- */
.pills {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 8px;
}

.pill {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    padding: 7px 9px;
    border: 1px solid transparent;
    border-radius: var(--r-sm);
    background: #f6f7f9;
    color: var(--ink);
    font-size: 13px;
    text-decoration: none;
    transition: background .16s ease, border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}

.pill:hover {
    background: #fff;
    border-color: #e3e8f0;
    box-shadow: 0 6px 16px -10px rgba(16, 24, 40, .35);
    transform: translateY(-1px);
    color: var(--ink);
    text-decoration: none;
}

.pill-ico-wrap {
    position: relative;
    flex: 0 0 20px;
    width: 20px;
    height: 20px;
    border-radius: 5px;
    overflow: hidden;
}

.pill-fb {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e8ecf3;
    color: #6b7280;
    font-size: 11px;
    line-height: 1;
    border-radius: 5px;
}

.pill-ico {
    position: absolute;
    inset: 0;
    width: 20px;
    height: 20px;
    border-radius: 5px;
    object-fit: contain;
    background: #fff;
    transition: transform .3s ease;
}

.pill:hover .pill-ico { transform: scale(1.08); }

.pill-txt {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.pill-flag { flex: 0 0 auto; font-size: 11px; opacity: .9; }

.pill.is-hidden { display: none; }

/* 空分类 / 待收录 */
.pill-slot {
    background: transparent;
    border: 1px dashed #d9dfe9;
    color: var(--muted);
}

.pill-slot:hover { border-color: var(--brand); color: var(--brand-ink); background: #fffdf7; box-shadow: none; }
.pill-slot .plus { font-size: 13px; color: #b9c1ce; }

/* ---------- 7. 内页头 ---------- */
.pagehead { padding: 4px 0 14px; }

.crumb { font-size: 12.5px; color: var(--muted); margin-bottom: 8px; }
.crumb a { color: var(--muted); text-decoration: none; }
.crumb a:hover { color: var(--brand-ink); }
.crumb span.sep { margin: 0 6px; color: #c8cdd6; }

.pagehead h1 {
    margin: 0 0 6px;
    font-size: 21px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -.2px;
}

.pagehead .lead { margin: 0; color: var(--muted); font-size: 13px; }

/* ---------- 8. 搜索弹层 ---------- */
.search-mask {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    padding: 10vh 16px 0;
    background: rgba(16, 22, 34, .42);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}

.search-mask.open { display: block; }

.search-panel {
    max-width: 640px;
    margin: 0 auto;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 30px 80px -20px rgba(9, 14, 26, .5);
    overflow: hidden;
}

.search-input-row { display: flex; align-items: center; gap: 10px; padding: 0 14px; border-bottom: 1px solid var(--line); }
.search-input-row i { color: var(--muted); font-size: 14px; }

.search-input {
    flex: 1 1 auto;
    height: 54px;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--ink);
    font-size: 15px;
    font-family: inherit;
}

.search-input::placeholder { color: #a9b0bd; }

.search-esc {
    padding: 2px 7px;
    border: 1px solid var(--line);
    border-radius: 5px;
    background: #f7f8fa;
    color: var(--muted);
    font-size: 11px;
    font-family: inherit;
    cursor: pointer;
}

.search-list { max-height: 54vh; overflow-y: auto; padding: 6px; }

.sr-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: 9px;
    color: var(--ink);
    text-decoration: none;
}

.sr-item:hover, .sr-item.on { background: #f4f6f9; color: var(--ink); text-decoration: none; }
.sr-item img { width: 22px; height: 22px; border-radius: 5px; flex: 0 0 22px; object-fit: contain; background: #fff; }
.sr-main { flex: 1 1 auto; min-width: 0; }
.sr-name { font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sr-desc { font-size: 11.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sr-cat { flex: 0 0 auto; padding: 2px 7px; border-radius: 20px; background: #f1f3f6; color: var(--muted); font-size: 11px; }
.sr-empty { padding: 26px 12px; text-align: center; color: var(--muted); font-size: 13px; }
.sr-foot { display: flex; gap: 14px; padding: 9px 16px; border-top: 1px solid var(--line); color: #a3aab7; font-size: 11.5px; }

/* ---------- 9. 响应式 ---------- */
@media (max-width: 1180px) {
    .tb-nav { display: none; }
    .tb-brand { display: block; }
    .tb-search { min-width: 0; }
    .tb-search span { display: none; }
}

@media (max-width: 991px) {
    .page-container { display: block; }
    .page-container .sidebar-menu {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 280px !important;
        flex-basis: 280px;
        transform: translateX(-100%);
        transition: transform .24s ease;
        z-index: 1001;
        box-shadow: 0 0 40px rgba(0, 0, 0, .3);
    }
    .page-container .sidebar-menu .sidebar-menu-inner .main-menu { display: block; }
    .sb-toggle { display: none; }
    .page-container .sidebar-menu.fixed .sidebar-menu-inner { position: relative; height: 100%; width: 280px !important; overflow-y: auto; }
    body.sb-open .sidebar-menu { transform: none; }
    body.sb-collapsed .sidebar-menu .main-menu .title { display: inline; }
    body.sb-collapsed .sidebar-menu .main-menu > li > a { justify-content: flex-start; padding: 9px 10px; }
    body.sb-collapsed .sidebar-menu .lg-full { display: block; }
    body.sb-collapsed .sidebar-menu .lg-mini { display: none; }
    body.sb-collapsed .sidebar-menu .logo-env .logo a { justify-content: flex-start; }
    body.sb-collapsed .sidebar-menu .main-menu > li > ul { display: block; position: static; width: auto; padding: 0 0 0 28px; background: transparent; box-shadow: none; }
    .sb-mask { position: fixed; inset: 0; z-index: 1000; background: rgba(12, 16, 24, .45); display: none; }
    body.sb-open .sb-mask { display: block; }
    .page-container .main-content { width: 100%; }
    .topbar { padding: 0 16px; height: 58px; }
    .tb-burger { display: inline-flex; }
    .tb-cta { display: none; }
    .wrap { padding: 16px 14px 40px; }
    .hero { padding: 10px 0 2px; }
    .hero h1 { font-size: 21px; }
    .sec { padding: 14px 12px 14px; border-radius: 12px; }
    .pills { grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); gap: 7px; }
    .search-mask { padding-top: 6vh; }
}

@media (max-width: 720px) {
    kbd.tb-kbd { display: none; }
    .hero-search { height: 44px; font-size: 13px; padding: 0 10px 0 14px; }
}

@media (max-width: 520px) {
    .pills { grid-template-columns: repeat(2, 1fr); }
    .sec-head { gap: 8px; }
    .tabs { order: 3; width: 100%; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 2px; }
    .tabs::-webkit-scrollbar { display: none; }
}