/* ============================================================
   主站子页面通用样式（Docs / Changelog / Status / Support）
   依赖 /style.css 的 tokens，只补充子页面组件
   ============================================================ */

.page { max-width: 1000px; margin: 0 auto; padding: 130px 22px 90px; }
.page.wide { max-width: 1160px; }

.page-head { text-align: center; margin-bottom: 54px; }
.eyebrow { font-size: 12px; letter-spacing: 6px; text-transform: uppercase; color: var(--ice); opacity: .85; }
.page-head h1 { font-size: clamp(30px, 5vw, 46px); font-weight: 800; letter-spacing: 2px; margin: 12px 0 0; }
.page-head h1 .gold { background: linear-gradient(120deg, #fcd34d, #f59e0b);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.page-sub { color: var(--muted); margin-top: 14px; font-size: 15px; }
.crumbs { font-size: 12.5px; color: var(--muted); margin-bottom: 24px; }
.crumbs a { color: var(--ice); text-decoration: none; }
.crumbs a:hover { color: var(--gold); }

/* ---- 通用卡片 ---- */
.grid { display: grid; gap: 16px; }
.grid.c2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid.c3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.cs-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; transition: transform .2s, border-color .2s, background .2s; }
.cs-card:hover { transform: translateY(-3px); border-color: var(--line-ice); background: var(--card-hover); }
.cs-card h3 { font-size: 16px; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.cs-card p, .cs-card li { color: var(--muted); font-size: 13.5px; }
.cs-card ul { margin: 8px 0 0 18px; }
.cs-card ul li { margin: 4px 0; }
.ico { font-size: 20px; }

/* ---- 段落标题 ---- */
h2.cs-h2 { font-size: 22px; margin: 46px 0 16px; letter-spacing: 1px; }
h2.cs-h2::before { content: ""; display: inline-block; width: 4px; height: 18px; margin-right: 10px;
  vertical-align: -2px; border-radius: 2px; background: linear-gradient(180deg, var(--gold), var(--gold2)); }

/* ---- 表格 ---- */
.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; overflow: hidden; border-radius: 14px; }
.tbl th, .tbl td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); }
.tbl th { color: var(--ice); font-weight: 600; background: rgba(154,227,255,.06); font-size: 12.5px; letter-spacing: 1px; }
.tbl td { color: var(--muted); }
.tbl tr:last-child td { border-bottom: none; }
.tbl code { color: var(--gold); font-size: 12.5px; }

/* ---- 折叠面板 ---- */
details.acc { background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 0; margin-bottom: 10px; overflow: hidden; }
details.acc summary { cursor: pointer; padding: 15px 18px; font-size: 14.5px; list-style: none;
  display: flex; justify-content: space-between; align-items: center; transition: background .2s, color .2s; }
details.acc summary::-webkit-details-marker { display: none; }
details.acc summary::after { content: "+"; color: var(--gold); font-size: 18px; transition: transform .25s; }
details.acc[open] summary::after { transform: rotate(45deg); }
details.acc summary:hover { background: var(--card-hover); color: var(--gold); }
details.acc .acc-body { padding: 0 18px 16px; color: var(--muted); font-size: 13.5px; line-height: 1.75; }
details.acc .acc-body code { color: var(--ice); background: rgba(154,227,255,.08); padding: 1px 6px; border-radius: 6px; }

/* ---- 时间轴（Changelog） ---- */
.timeline { position: relative; margin-left: 8px; padding-left: 26px; }
.timeline::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(180deg, var(--gold), rgba(154,227,255,.25)); border-radius: 2px; }
.tl-item { position: relative; padding: 0 0 30px 6px; }
.tl-item::before { content: ""; position: absolute; left: -32px; top: 6px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgba(252,211,77,.14); }
.tl-item.dim::before { background: var(--ice); box-shadow: 0 0 0 4px rgba(154,227,255,.12); }
.tl-tag { display: inline-block; font-size: 12px; letter-spacing: 1px; color: #3b2505; font-weight: 700;
  background: linear-gradient(135deg, var(--gold2), var(--gold)); padding: 2px 12px; border-radius: 20px; }
.tl-meta { font-size: 12px; color: var(--muted); margin: 8px 0 10px; }
.tl-meta b { color: var(--ice); font-weight: 600; }
.tl-body { color: var(--muted); font-size: 13.5px; white-space: pre-wrap; word-break: break-word;
  background: rgba(255,255,255,.03); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.tl-body:empty { display: none; }

/* ---- 状态卡片 ---- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px;
  transition: border-color .25s, background .25s; position: relative; overflow: hidden; }
.stat::after { content: ""; position: absolute; inset: 0; opacity: 0; pointer-events: none;
  background: radial-gradient(220px circle at 50% 0%, rgba(252,211,77,.12), transparent 70%); transition: opacity .4s; }
.stat:hover::after { opacity: 1; }
.stat h3 { font-size: 14px; display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); display: inline-block; }
.dot.ok { background: #34d399; box-shadow: 0 0 10px rgba(52,211,153,.8); animation: pulse 2.4s infinite; }
.dot.bad { background: #f87171; box-shadow: 0 0 10px rgba(248,113,113,.8); }
.dot.wait { background: var(--gold); animation: pulse 1.2s infinite; }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(.72); opacity: .55; } }
.kv { display: flex; justify-content: space-between; gap: 10px; font-size: 12.5px; color: var(--muted);
  padding: 5px 0; border-bottom: 1px dashed var(--line); }
.kv:last-child { border-bottom: none; }
.kv b { color: var(--text); font-weight: 600; text-align: right; word-break: break-all; }
.kv b.ok { color: #34d399; } .kv b.bad { color: #f87171; } .kv b.wait { color: var(--gold); }

/* ---- 动效：滚动渐入 ---- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---- Toast ---- */
.toast { position: fixed; left: 50%; bottom: 40px; transform: translate(-50%, 20px); opacity: 0;
  background: rgba(16,27,58,.95); border: 1px solid var(--line-ice); color: var(--text);
  padding: 12px 22px; border-radius: 30px; font-size: 13px; pointer-events: none; z-index: 99;
  transition: opacity .25s, transform .25s; backdrop-filter: blur(8px); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.foot-links a { color: var(--ice); text-decoration: none; margin: 0 8px; }

@media (max-width: 640px) {
  .page { padding: 110px 16px 70px; }
  .timeline { padding-left: 20px; margin-left: 2px; }
  .tl-item::before { left: -26px; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .dot.ok, .dot.wait { animation: none; }
}

/* 历史版本：整体淡化 */
.tl-item.dim { opacity: .72; }

/* 代码块复制按钮 */
pre { position: relative; }
.code-copy {
  position: absolute; top: 8px; right: 8px;
  padding: 3px 10px; font-size: 12px; cursor: pointer;
  border-radius: 999px; border: 1px solid var(--line);
  background: rgba(10, 18, 38, .8); color: var(--ice);
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.code-copy:hover { background: rgba(154, 227, 255, .16); border-color: var(--ice); }
.code-copy:active { transform: translateY(1px); }

/* --- 子站矩阵 / 工具目录（第三轮） --- */
.nested-links{text-align:center;margin-top:22px;font-size:13px;opacity:.8}
.nested-links a{color:var(--ice);text-decoration:none;margin:0 4px}
.nested-links a:hover{text-decoration:underline}
.ico-sm{font-size:18px;margin-right:6px}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin-bottom:26px}
.tool-link{display:flex;align-items:flex-start;gap:11px;padding:13px 14px;border-radius:14px;
  background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.07);
  color:inherit;text-decoration:none;transition:transform .18s ease,border-color .18s ease,background .18s ease}
.tool-link:hover{transform:translateY(-2px);border-color:rgba(252,211,77,.34);background:rgba(252,211,77,.055)}
.tool-ico{font-size:18px;line-height:1.2}
.tool-txt{display:flex;flex-direction:column;gap:3px;flex:1;min-width:0}
.tool-txt b{font-size:14px;font-weight:600}
.tool-txt small{font-size:12px;opacity:.66;line-height:1.45}
.tool-go{opacity:.35;font-size:13px;transition:opacity .18s ease,transform .18s ease}
.tool-link:hover .tool-go{opacity:.9;transform:translateX(2px)}
.cs-h2-note{font-size:12px;font-weight:400;opacity:.55;margin-left:8px;letter-spacing:0}
@media (max-width:640px){.tool-grid{grid-template-columns:1fr}}

/* ============================================================
   v2 追加（第四轮）：软件库目录 / 文档内页 / 通用工具类
   与 /style.css 的 tokens 对齐，只补本层组件
   ============================================================ */

/* 通用工具类 */
.muted { color: var(--muted); }
.dim { color: var(--dim); }
.center { text-align: center; }
.mono { font-family: var(--mono); }
.nowrap { white-space: nowrap; }
.mt0 { margin-top: 0; } .mt8 { margin-top: 8px; } .mt16 { margin-top: 16px; }
.mt24 { margin-top: 24px; } .mt40 { margin-top: 40px; }
.mb0 { margin-bottom: 0; } .mb16 { margin-bottom: 16px; }
.fs13 { font-size: 13px; } .fs12 { font-size: 12px; }
.grid.c4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grid.gap-sm { gap: 10px; }

/* 内页顶部：面包屑 + 标题（比 .page-head 更紧凑） */
.hero-mini { padding: 8px 0 26px; }
.hero-mini h1 { font-size: clamp(26px, 4.2vw, 38px); font-weight: 800; letter-spacing: 1.5px; margin: 6px 0 0; }
.hero-mini p { color: var(--muted); font-size: 14.5px; margin-top: 10px; max-width: 760px; }
.badge-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

/* 页内锚点导航（长文档用） */
.toc {
  display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 14px; margin: 0 0 26px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm);
}
.toc a {
  font-size: 12.5px; padding: 5px 11px; border-radius: var(--radius-pill);
  color: var(--muted); border: 1px solid transparent; transition: all var(--fast);
}
.toc a:hover { color: var(--gold); background: var(--gold-soft); border-color: var(--line-gold); }

/* 软件库目录：筛选条 + 卡片网格 */
.catalog-bar {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  padding: 14px; margin-bottom: 24px; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.catalog-bar .field { margin: 0; flex: 1; min-width: 220px; }
.cat-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.cat-chip {
  font-size: 12.5px; padding: 6px 13px; cursor: pointer; font-family: inherit;
  color: var(--muted); background: rgba(255, 255, 255, .05); border: 1px solid var(--line);
  border-radius: var(--radius-pill); transition: all var(--fast);
}
.cat-chip:hover { color: var(--text); border-color: var(--line-ice); }
.cat-chip.active { color: var(--gold); border-color: var(--line-gold); background: var(--gold-soft); }
.catalog-count { font-size: 12.5px; color: var(--dim); margin-left: auto; }

.site-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.site-card {
  display: flex; flex-direction: column; gap: 10px; padding: 20px; height: 100%;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform var(--mid), border-color var(--mid), background var(--mid), box-shadow var(--mid);
}
.site-card:hover { transform: translateY(-4px); background: var(--card-hover); border-color: var(--line-ice); box-shadow: var(--shadow); }
.site-card[hidden] { display: none; }
.site-head { display: flex; align-items: center; gap: 10px; }
.site-ico {
  display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px;
  border-radius: 11px; font-size: 19px; background: var(--gold-soft); border: 1px solid var(--line-gold);
}
.site-name { font-size: 15px; font-weight: 650; }
.site-path { font-size: 11.5px; color: var(--dim); font-family: var(--mono); }
.site-card p { font-size: 13px; color: var(--muted); flex: 1; }
.site-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.site-tag {
  font-size: 11px; padding: 2px 8px; border-radius: var(--radius-pill);
  color: var(--ice); background: var(--ice-soft); border: 1px solid var(--line-ice);
}
.site-go { display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; color: var(--ice); margin-top: 2px; }
.site-card:hover .site-go { color: var(--gold); }

/* 软件产品页：规格表 + 步骤 + 提示块 */
.spec { display: grid; grid-template-columns: max-content 1fr; gap: 9px 18px; font-size: 13px; margin: 0; }
.spec dt { color: var(--muted); }
.spec dd { color: var(--text); font-family: var(--mono); font-size: 12.5px; word-break: break-word; }
.steps { counter-reset: st; list-style: none; padding: 0; margin: 0; }
.steps li { position: relative; padding: 0 0 16px 40px; font-size: 13.5px; color: var(--muted); }
.steps li::before {
  counter-increment: st; content: counter(st);
  position: absolute; left: 0; top: -2px; width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #2c1a02;
  background: linear-gradient(135deg, var(--gold2), var(--gold));
}
.steps li b { color: var(--text); display: block; margin-bottom: 3px; font-size: 14px; }
.callout {
  padding: 14px 16px; border-radius: var(--radius-sm); font-size: 13px; line-height: 1.7;
  background: var(--ice-soft); border: 1px solid var(--line-ice); color: var(--text);
}
.callout.gold { background: var(--gold-soft); border-color: var(--line-gold); }
.callout.rose { background: rgba(253, 164, 175, .08); border-color: rgba(253, 164, 175, .3); }
.callout b { color: var(--ice); }
.callout.gold b { color: var(--gold); }

/* 统计条（横排小数字） */
.stat-inline { display: flex; gap: 26px; flex-wrap: wrap; }
.stat-inline div { display: flex; flex-direction: column; }
.stat-inline b { font-size: 22px; color: var(--ice); font-variant-numeric: tabular-nums; }
.stat-inline span { font-size: 11.5px; color: var(--muted); letter-spacing: .5px; }

/* 快捷键说明 */
.kbd-legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.kbd-legend .kbd { margin-right: 4px; }

@media (max-width: 720px) {
  .site-grid { grid-template-columns: 1fr; }
  .catalog-bar { flex-direction: column; align-items: stretch; }
  .catalog-count { margin-left: 0; }
  .stat-inline { gap: 16px; }
}
/* ---- 第四批：软件库 / 文档 / 站务组件 ---- */
.app-card { display: flex; flex-direction: column; gap: 8px; }
.app-card .app-cat { font-size: 11.5px; letter-spacing: .5px; color: var(--ice); text-transform: none; margin: 0; }
.app-card[hidden] { display: none; }
.empty-hint { padding: 22px; text-align: center; color: var(--dim); font-size: 13.5px;
  border: 1px dashed var(--line2); border-radius: var(--radius); }

.kv-table { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.kvrow { display: grid; grid-template-columns: 190px 1fr; gap: 14px; padding: 11px 15px; border-bottom: 1px solid var(--line); }
.kvrow:last-child { border-bottom: 0; }
.kvrow:nth-child(odd) { background: var(--card); }
.kvrow .kvk { font-weight: 650; font-size: 13.5px; color: var(--ice); }
.kvrow .kvv { font-size: 13.5px; color: var(--muted); line-height: 1.7; }

.checks { list-style: none; padding: 0; margin: 16px 0 0; }
.checks li { position: relative; padding: 7px 0 7px 26px; font-size: 14px; color: var(--muted); line-height: 1.65; }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 7px; color: var(--mint); font-weight: 700; }

.post-item { padding: 22px 24px; }
.post-item h3 { font-size: 17px; margin: 8px 0 10px; }
.post-item p { font-size: 14px; color: var(--muted); line-height: 1.75; margin: 0 0 10px; }
.post-item p:last-child { margin-bottom: 0; }
.post-item code { font-size: 12.5px; }
.post-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; }
.post-list { gap: 14px; }
.search-hit { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.search-hit b { font-size: 14px; }
.crumbs a, .page-sub a, .kvv a, .post-item a { color: var(--ice); }
.crumbs a:hover, .page-sub a:hover, .kvv a:hover { color: var(--gold); }
.site-card .site-head { margin-bottom: 8px; }
.card.hl { border-color: var(--line-gold); box-shadow: var(--shadow-gold); }
@media (max-width: 720px) {
  .kvrow { grid-template-columns: 1fr; gap: 4px; }
}

/* ---- 工具目录分区（/tools/）---- */
.cat-sec { margin: 34px 0 0; scroll-margin-top: calc(var(--nav-h) + 24px); }
.cat-sec[hidden] { display: none; }
.cat-sec .cs-h2 { margin-bottom: 14px; }
.cat-chips { position: sticky; top: calc(var(--nav-h) + 8px); z-index: 5; padding: 8px 0;
  background: linear-gradient(to bottom, var(--bg0) 70%, transparent); }
body.light .cat-chips { background: linear-gradient(to bottom, var(--bg0) 70%, transparent); }
.foot-col { min-width: 0; }

/* ---- 可访问性：跳转链接与焦点可见 ---- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  padding: 12px 18px; border-radius: 0 0 12px 0;
  background: var(--gold, #fcd34d); color: #0a0f1e;
  font-weight: 700; text-decoration: none;
}
.skip-link:focus, .skip-link:focus-visible { left: 0; outline: 2px solid #0a0f1e; outline-offset: 2px; }
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--gold, #fcd34d);
  outline-offset: 2px;
  border-radius: 6px;
}
[hidden] { display: none !important; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}


/* ---- 站务日志文章页 ---- */
.post-body { max-width: 720px; }
.post-body p { margin: 0 0 16px; line-height: 1.85; color: var(--text, #dbe4f7); }
.post-body > p:first-of-type { font-size: 1.06rem; }
.post-body code {
  font-family: var(--mono, ui-monospace, monospace); font-size: .92em;
  padding: 2px 6px; border-radius: 6px;
  background: rgba(154, 227, 255, .1); border: 1px solid rgba(154, 227, 255, .16);
}
.post-nav { display: flex; flex-wrap: wrap; gap: 10px; margin: 30px 0 8px; }
.post-item h3 a { color: inherit; text-decoration: none; }
.post-item h3 a:hover { color: var(--gold, #fcd34d); }
.post-item .post-meta { margin-bottom: 8px; }
body.light .post-body p { color: #263049; }
body.light .post-body code { background: rgba(26, 35, 64, .06); border-color: rgba(26, 35, 64, .14); }


/* ---- 工具合集 ---- */
.tool-combo { display: flex; flex-direction: column; gap: 6px; min-height: 150px; }
.tool-combo .combo-head { display: flex; align-items: center; gap: 8px; margin-bottom: 2px; }
.tool-combo .combo-ico { font-size: 1.15rem; line-height: 1; }
.tool-combo b { font-size: .98rem; color: var(--text, #eaf1ff); }
.tool-combo p { margin: 0; font-size: .84rem; line-height: 1.6; color: var(--muted, #9aa8c7); }
.tool-combo .combo-go { margin-top: auto; font-size: .78rem; color: var(--gold, #fcd34d); letter-spacing: .04em; }
.tool-combo:hover .combo-go { color: var(--ice, #9ae3ff); }
body.light .tool-combo b { color: #1a2340; }
body.light .tool-combo p { color: #55648a; }
body.light .tool-combo .combo-go { color: #b8860b; }


/* ---- 首页 hero 规模条 ---- */
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 10px 26px; margin: 18px 0 4px;
  padding: 14px 0 0; border-top: 1px solid var(--line, rgba(154, 227, 255, .12));
}
.hero-stats > div { display: flex; align-items: baseline; gap: 6px; }
.hero-stats b {
  font-family: var(--mono, ui-monospace, monospace);
  font-size: clamp(20px, 3.4vw, 28px); font-weight: 700; letter-spacing: -.02em;
  background: linear-gradient(120deg, #fcd34d, #ffe9a3 45%, #9ae3ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-stats span { font-size: .82rem; color: var(--muted, #9aa8c7); }
body.light .hero-stats { border-top-color: rgba(26, 35, 64, .12); }
body.light .hero-stats b { background: linear-gradient(120deg, #b8860b, #d99b12 50%, #0f7490); }
body.light .hero-stats span { color: #55648a; }
@media (max-width: 720px) {
  .hero-stats { gap: 8px 18px; }
  .hero-stats span { font-size: .76rem; }
}

/* ---- 目录页自筛 ---- */
.catalog-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 14px;
  padding: 0 14px;
  height: 50px;
  border-radius: var(--radius, 12px);
  background: var(--card, rgba(255, 255, 255, .04));
  border: 1px solid var(--line, rgba(255, 255, 255, .09));
  transition: border-color .18s ease, box-shadow .18s ease;
}
.catalog-search:focus-within {
  border-color: var(--line-gold, rgba(252, 211, 77, .45));
  box-shadow: 0 0 0 3px rgba(252, 211, 77, .10);
}
.catalog-search-ico { color: var(--gold, #fcd34d); font-size: 17px; line-height: 1; }
.catalog-search input {
  flex: 1; min-width: 0; height: 100%;
  background: none; border: 0; outline: none;
  color: var(--text, #e9eefb); font: inherit; font-size: 15px;
}
.catalog-search input::placeholder { color: var(--dim, #7c8aa5); }
.catalog-search input::-webkit-search-cancel-button { display: none; }
.catalog-search kbd {
  flex: none; padding: 2px 7px; border-radius: 6px;
  border: 1px solid var(--line2, rgba(255, 255, 255, .14));
  background: var(--bg3, rgba(255, 255, 255, .05));
  color: var(--muted, #a7b4cc); font-size: 12px; font-family: var(--mono, monospace);
}
.catalog-search-clear {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  border: 1px solid var(--line2, rgba(255, 255, 255, .14));
  background: var(--bg3, rgba(255, 255, 255, .05));
  color: var(--muted, #a7b4cc); cursor: pointer; line-height: 1;
}
.catalog-search-clear:hover { color: var(--gold, #fcd34d); border-color: var(--line-gold, rgba(252, 211, 77, .45)); }
.catalog-none {
  margin: 6px 0 16px; padding: 14px 16px; border-radius: var(--radius, 12px);
  border: 1px dashed var(--line2, rgba(255, 255, 255, .14));
  color: var(--muted, #a7b4cc); font-size: 14px;
}
.tool-link[hidden], .cat-sec[hidden] { display: none !important; }
html[data-theme="light"] .catalog-search { background: #fff; border-color: #dbe3f0; }
html[data-theme="light"] .catalog-search input { color: #16203a; }
html[data-theme="light"] .catalog-none { border-color: #cfd8e8; color: #4d5a72; }

/* ---- 动效实验室 ---- */
.ml-bar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 18px 0 8px; }
.ml-item { margin: 28px 0 34px; }
.ml-head { margin-bottom: 10px; }
.ml-canvas {
  display: block; width: 100%; height: auto; border-radius: var(--radius-lg, 16px);
  border: 1px solid var(--line, rgba(255, 255, 255, .09));
  background: #04060f; touch-action: none;
}
.ml-ctrl {
  display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center;
  margin-top: 12px; font-size: 13px; color: var(--muted, #a7b4cc);
}
.ml-ctrl label { display: inline-flex; align-items: center; gap: 8px; }
.ml-ctrl input[type="range"] { width: 132px; accent-color: var(--gold, #fcd34d); }
.ml-ctrl input[type="text"] {
  width: 96px; padding: 5px 9px; border-radius: 8px;
  border: 1px solid var(--line2, rgba(255, 255, 255, .14));
  background: var(--bg3, rgba(255, 255, 255, .05)); color: var(--text, #e9eefb); font: inherit;
}
.ml-ctrl b { color: var(--gold, #fcd34d); font-variant-numeric: tabular-nums; }
html[data-theme="light"] .ml-canvas { border-color: #dbe3f0; }
html[data-theme="light"] .ml-ctrl input[type="text"] { background: #fff; border-color: #cfd8e8; color: #16203a; }
@media (max-width: 720px) {
  .ml-ctrl input[type="range"] { width: 100px; }
}

/* ---- 可访问性第二轮 ---- */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--gold, #fcd34d);
  outline-offset: 2px;
  border-radius: 6px;
}
#kbdHelp {
  position: fixed; inset: 0; z-index: 120; display: none;
  align-items: center; justify-content: center;
  background: rgba(4, 6, 15, .72); backdrop-filter: blur(6px);
}
#kbdHelp.open { display: flex; }
#kbdHelp .kb-box {
  width: min(560px, calc(100vw - 32px));
  padding: 22px 24px; border-radius: 18px;
  background: var(--bg-elev, #0d1426);
  border: 1px solid var(--line2, rgba(255, 255, 255, .14));
  box-shadow: 0 24px 70px rgba(0, 0, 0, .55);
  color: var(--text, #e9eefb);
}
#kbdHelp .kb-h { font-size: 17px; font-weight: 700; margin-bottom: 14px; }
#kbdHelp .kb-list { display: grid; gap: 10px; margin: 0 0 14px; }
#kbdHelp .kb-list > div { display: flex; gap: 14px; align-items: baseline; }
#kbdHelp dt { flex: none; min-width: 132px; }
#kbdHelp dd { margin: 0; color: var(--muted, #a7b4cc); font-size: 14px; }
#kbdHelp .kb-foot { color: var(--dim, #7c8aa5); font-size: 13px; margin: 0; }
html[data-theme="light"] #kbdHelp { background: rgba(240, 244, 250, .78); }
html[data-theme="light"] #kbdHelp .kb-box { background: #fff; border-color: #dbe3f0; color: #16203a; }

/* ---- 第十三轮：长列表渲染性能（内容可见性） ---- */
.cat-sec,
.tool-grid .tool-link,
.site-grid .site-card,
.tl-item,
#clList .tl-item {
  content-visibility: auto;
  contain-intrinsic-size: auto 220px;
}
@media (prefers-reduced-motion: reduce) {
  .cat-sec,
  .tool-grid .tool-link,
  .site-grid .site-card { content-visibility: visible; }
}

.cat-chips .cat-random {
  border-color: color-mix(in srgb, var(--gold) 55%, transparent);
  color: var(--gold);
  font-weight: 600;
}
.cat-chips .cat-random:hover { background: color-mix(in srgb, var(--gold) 16%, transparent); }

/* ---- 品牌素材预览 ---- */
.brand-kit { display: flex; flex-wrap: wrap; gap: 18px; margin: 18px 0 6px; align-items: flex-end; }
.brand-kit figure { margin: 0; text-align: center; }
.brand-kit img { border-radius: 14px; border: 1px solid var(--line); background: #04060f; display: block; }
.brand-kit figcaption { margin-top: 6px; font-size: 12px; color: var(--dim); font-family: var(--mono); }
/* ---- 工具目录「最近用过」 ---- */
.recent-tools {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin: 0 0 14px; padding: 10px 14px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
}
.recent-label {
  font-size: 11.5px; letter-spacing: 1.4px; text-transform: uppercase;
  color: var(--dim); flex: 0 0 auto;
}
.recent-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.recent-chip {
  font-size: 12.5px; padding: 4px 11px; border-radius: var(--radius-pill);
  border: 1px solid var(--line-2); color: var(--text); text-decoration: none;
  transition: border-color var(--fast) var(--ease), color var(--fast) var(--ease), transform var(--fast) var(--ease);
}
.recent-chip:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-1px); }
html[data-theme="light"] .recent-tools { background: #fff; border-color: #dbe3f0; }
html[data-theme="light"] .recent-chip { border-color: #d7deec; color: #1d2742; }