/* ============================================================
   博雅棋牌 · 共享样式 /assets/site.css
   夜幕棋局 + 电玩霓虹 · 冷静中性底 + 荧光强调
   ============================================================ */

:root{
  --ink-0:#0E1633;
  --ink-1:#16204A;
  --ink-2:#1D2A5E;
  --ink-3:#131C40;
  --wood:#C98A4B;
  --wood-hi:#E7C39A;
  --stone-ink:#101216;
  --stone-white:#F4F1EA;
  --stone-gray:#9AA0AE;
  --gold:#D4A24C;
  --cyan:#38F2D0;
  --cyan-ink:#0B6E60;
  --violet:#7A6BFF;
  --alert:#FF7A6B;

  --line:rgba(231,195,154,.16);
  --line-soft:rgba(154,160,174,.22);
  --line-grid:rgba(231,195,154,.055);

  --font-display:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-body:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;

  --ease:cubic-bezier(.2,.7,.2,1);
  --gap:24px;
  --radius:14px;
  --bar-h:64px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--ink-0);
  color:rgba(244,241,234,.9);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.012em;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--wood-hi)}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p,figure{margin:0}
[hidden]{display:none !important}

/* 夜色棋盘底纹 */
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(var(--line-grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--line-grid) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
}
main{position:relative;z-index:1}

/* ---------- 中文排版与基础字级 ---------- */
h1,h2,h3,h4,.display{
  font-family:var(--font-display);
  font-weight:800;
  font-stretch:87.5%;
  line-height:1.18;
  letter-spacing:-.005em;
  color:var(--stone-white);
}
.display{font-size:clamp(40px,7.2vw,88px)}
h1{font-size:clamp(32px,5vw,60px)}
h2{font-size:clamp(26px,3.6vw,44px)}
h3{font-size:clamp(20px,2.2vw,26px)}
h4{font-size:18px}
.lede,.prose{max-width:38em;font-size:clamp(16px,1.35vw,18px);line-height:1.9;color:rgba(244,241,234,.82)}
.lede{font-size:clamp(17px,1.6vw,20px);color:rgba(244,241,234,.9)}
.mono,.num{font-family:var(--font-mono);letter-spacing:.06em}
.num{font-weight:700;font-size:clamp(30px,4.4vw,56px);line-height:1;color:var(--cyan);font-stretch:normal}
.mono{font-size:12px;color:var(--stone-gray)}
strong{color:var(--stone-white)}
::selection{background:var(--cyan);color:var(--stone-ink)}

.visually-hidden{
  position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* 焦点环：金铜 2px */
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}

/* ---------- 布局容器 ---------- */
.wrap{width:100%;max-width:1280px;margin-inline:auto;padding-inline:20px}
.section{padding:72px 0}
.section--tight{padding:40px 0}
.stack{display:flex;flex-direction:column;gap:16px}

/* ---------- 命令栏 ---------- */
.skip-link{
  position:absolute;left:12px;top:-64px;z-index:90;
  padding:10px 18px;border-radius:0 0 10px 10px;
  background:var(--cyan);color:#04191a;font-weight:700;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:0;color:#04191a}

.command-bar{
  --bar-h:64px;
  position:sticky;top:0;z-index:60;
  background:rgba(14,22,51,.93);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  color:var(--stone-white);
}
.command-bar.is-condensed{--bar-h:48px;background:rgba(11,17,40,.97)}
.command-bar__inner{
  display:flex;align-items:center;gap:14px;
  width:100%;max-width:1280px;margin-inline:auto;padding-inline:20px;
  height:var(--bar-h);
  transition:height .24s var(--ease);
}
.command-bar__rule{
  position:absolute;left:0;right:0;bottom:0;height:5px;pointer-events:none;opacity:.55;
  background-image:repeating-linear-gradient(90deg,rgba(201,138,75,.7) 0 1px,transparent 1px 16px);
}

.scroll-progress{
  position:absolute;left:0;right:0;top:0;height:2px;
  background:rgba(154,160,174,.18);
}
.scroll-progress__fill{
  display:block;height:100%;width:100%;
  background:linear-gradient(90deg,var(--gold),var(--cyan));
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .12s linear;
}

/* 品牌铭牌 */
.brand-mark{display:flex;align-items:center;gap:10px;min-width:0;flex:0 0 auto}
.brand-mark__glyph{
  display:flex;gap:3px;padding:5px;border-radius:8px;
  background:linear-gradient(150deg,#C98A4B,#7C4C22);
  flex:0 0 auto;
}
.brand-mark__glyph i{width:8px;height:8px;border-radius:50%}
.brand-mark__glyph i:first-child{background:var(--stone-white)}
.brand-mark__glyph i:last-child{background:#0B0D12;box-shadow:inset 0 0 0 1px rgba(244,241,234,.4)}
.brand-mark__text{display:flex;flex-direction:column;line-height:1.1}
.brand-mark__name{font-family:var(--font-display);font-weight:800;font-size:17px;letter-spacing:.06em;color:var(--stone-white)}
.brand-mark__sub{font-size:10px;letter-spacing:.2em;color:var(--stone-gray)}
.brand-mark__state{
  display:inline-flex;align-items:center;gap:7px;
  margin-left:6px;padding:4px 9px;border-radius:999px;
  border:1px solid var(--line-soft);
  background:rgba(244,241,234,.04);
}
.status-dot{
  width:7px;height:7px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 3px rgba(56,242,208,.14);
  animation:pulse 2.6s var(--ease) infinite;
}
.brand-mark__section{font-size:11px;color:var(--wood-hi);letter-spacing:.14em;white-space:nowrap}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

/* 栏目切换 */
.command-nav{flex:1 1 auto;display:flex;justify-content:center}
.command-nav__list{display:flex;align-items:center;gap:2px;list-style:none}
.command-nav__link{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:8px 11px;border-radius:8px;
  border:1px solid transparent;
  color:rgba(244,241,234,.72);
  font-size:15px;font-weight:600;letter-spacing:.04em;white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.command-nav__link:hover{color:var(--stone-white);background:rgba(244,241,234,.07)}
.command-nav__idx{font-size:10px;color:var(--stone-gray);letter-spacing:.12em;transition:color .2s var(--ease)}
.command-nav__link[aria-current="page"]{
  color:var(--wood-hi);
  border-color:rgba(56,242,208,.45);
  background:rgba(56,242,208,.08);
}
.command-nav__link[aria-current="page"] .command-nav__idx{color:var(--cyan)}

/* 右侧命令区 */
.command-actions{position:relative;display:flex;align-items:center;gap:8px;flex:0 0 auto}
.search-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 12px;border-radius:8px;cursor:pointer;
  background:rgba(244,241,234,.05);
  border:1px solid rgba(154,160,174,.38);
  color:var(--stone-white);font-size:14px;font-weight:600;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.search-trigger:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(56,242,208,.08)}
.search-trigger[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan)}
.search-trigger__icon{
  position:relative;width:12px;height:12px;border-radius:50%;
  border:2px solid currentColor;flex:0 0 auto;
}
.search-trigger__icon::after{
  content:"";position:absolute;right:-5px;bottom:-4px;width:6px;height:2px;
  background:currentColor;border-radius:2px;transform:rotate(45deg);
}
.search-trigger kbd{font-size:10px;padding:1px 5px;border-radius:4px;border:1px solid rgba(154,160,174,.42);color:var(--stone-gray)}
.quick-link{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 12px;border-radius:8px;
  border:1px solid rgba(212,162,76,.45);
  background:rgba(212,162,76,.09);
  color:var(--wood-hi);font-size:14px;font-weight:600;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.quick-link:hover{background:rgba(212,162,76,.2);color:#F3DFC0}
.quick-link__dot{width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* 检索面板 */
.search-desk{
  position:absolute;right:0;top:calc(100% + 10px); z-index:70;
  width:min(430px,calc(100vw - 40px));
  padding:14px;border-radius:12px;
  background:linear-gradient(180deg,#18224E,#131C40);
  border:1px solid rgba(56,242,208,.3);
  box-shadow:0 28px 60px rgba(3,7,20,.62);
  animation:desk-drop .24s var(--ease);
}
@keyframes desk-drop{from{opacity:0;transform:translate3d(0,-8px,0)}to{opacity:1;transform:none}}
.search-desk__field{
  display:flex;align-items:center;gap:10px;
  padding:8px 10px;border-radius:8px;
  background:rgba(9,14,34,.8);
  border:1px solid rgba(154,160,174,.35);
}
.search-desk__field:focus-within{border-color:var(--cyan)}
.search-desk__input{
  flex:1 1 auto;min-width:0;background:none;border:0;outline:none;
  font-size:13px;letter-spacing:.04em;color:var(--stone-white);
}
.search-desk__input::placeholder{color:rgba(154,160,174,.85)}
.search-desk__count{font-size:11px;color:var(--cyan);white-space:nowrap}
.search-desk__hint{margin-top:10px;font-size:11px;line-height:1.7;color:var(--stone-gray)}
.search-desk__hint.is-warn{color:var(--alert)}

.hit{background:var(--cyan);color:var(--stone-ink);border-radius:2px;padding:0 2px}

/* 移动导航按钮 */
.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:7px 11px;border-radius:8px;cursor:pointer;
  background:rgba(244,241,234,.05);
  border:1px solid rgba(154,160,174,.38);
  color:var(--stone-white);
}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__rows{display:flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle__rows i{display:block;height:2px;border-radius:2px;background:currentColor}
.nav-toggle__rows i:nth-child(2){width:70%}
.nav-toggle__rows i:nth-child(3){width:45%}
.nav-toggle__label{font-size:12px;letter-spacing:.14em}

/* 左侧纵向检索轨道 */
.rail-spine{display:none}
@media (min-width:1400px){
  .rail-spine{
    display:flex;flex-direction:column;align-items:center;gap:16px;
    position:fixed;left:20px;top:50%;transform:translateY(-50%);z-index:55;
  }
  .rail-spine__scale{
    width:1px;height:132px;
    background:linear-gradient(180deg,transparent,rgba(201,138,75,.7),transparent);
  }
  .rail-spine__btn{
    writing-mode:vertical-rl;
    padding:14px 7px;border-radius:999px;cursor:pointer;
    background:rgba(22,32,74,.85);
    border:1px solid rgba(201,138,75,.4);
    color:var(--wood-hi);font-size:12px;letter-spacing:.3em;
    transition:border-color .2s var(--ease),color .2s var(--ease);
  }
  .rail-spine__btn:hover{border-color:var(--cyan);color:var(--cyan)}
  .rail-spine__btn[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan);background:rgba(56,242,208,.12)}
}

/* ---------- 页脚 ---------- */
.site-foot{
  position:relative;z-index:1;
  margin-top:96px;
  background:linear-gradient(180deg,#101A3E,#0A1030 70%);
  border-top:1px solid rgba(201,138,75,.3);
  color:rgba(244,241,234,.82);
}
.site-foot::before{
  content:"";position:absolute;left:0;right:0;top:0;height:6px;opacity:.5;
  background-image:repeating-linear-gradient(90deg,rgba(201,138,75,.75) 0 1px,transparent 1px 18px);
}
.site-foot__inner{width:100%;max-width:1280px;margin-inline:auto;padding:56px 20px 26px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.3fr 1fr;gap:32px}
.foot-block{min-width:0}
.foot-brand{font-family:var(--font-display);font-weight:800;font-size:22px;letter-spacing:.08em;color:var(--stone-white)}
.foot-brand__sub{margin-top:8px;font-size:11px;letter-spacing:.18em;color:var(--wood)}
.foot-brand__meta{margin-top:6px;font-size:11px;color:var(--stone-gray)}
.foot-block__title{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;
  color:var(--wood);margin-bottom:14px;
}
.foot-links{list-style:none;display:flex;flex-direction:column;gap:9px}
.foot-links a{
  display:inline-block;font-size:14px;color:rgba(244,241,234,.78);
  padding-bottom:1px;border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.foot-links a:hover{color:var(--cyan);border-color:var(--cyan)}
.foot-meta{list-style:none;display:flex;flex-direction:column;gap:9px;font-size:13px;color:rgba(244,241,234,.72)}
.foot-meta .mono{font-size:12px;color:var(--stone-gray)}
.version-tag{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:14px;padding:7px 11px;border-radius:8px;
  border:1px dashed rgba(212,162,76,.55);
  background:rgba(212,162,76,.07);
}
.version-tag .mono{color:var(--gold);font-size:12px}
.copy-version{
  background:none;border:0;padding:0;cursor:pointer;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--stone-gray);text-decoration:underline dotted;
}
.copy-version:hover{color:var(--cyan)}
.foot-base{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:18px;
  border-top:1px dashed var(--line-soft);
}
.foot-base .mono{font-size:11px;letter-spacing:.08em}

/* ---------- 通用内容组件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;
  color:var(--wood);margin-bottom:16px;
}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--wood)}

.plate{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 10px;border-radius:4px;
  border:1px solid rgba(212,162,76,.45);
  background:rgba(212,162,76,.08);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  color:var(--wood-hi);text-transform:uppercase;
}

.panel{
  position:relative;
  background:var(--ink-1);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 24px;
}
.panel--frame::after{
  content:"";position:absolute;inset:9px;border-radius:8px;
  border:1px dashed rgba(56,242,208,.22);pointer-events:none;
}
.panel--paper{
  background:var(--stone-white);
  border-color:rgba(16,18,22,.12);
  color:var(--stone-ink);
}
.panel--paper h2,.panel--paper h3,.panel--paper h4,.panel--paper strong{color:var(--stone-ink)}
.panel--paper a{color:var(--cyan-ink)}
.panel--paper .mono,.panel--paper .data-list__key{color:#7A6234}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  border:1px solid var(--line-soft);
  background:rgba(244,241,234,.05);
  font-size:12px;color:rgba(244,241,234,.8);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 8px;border-radius:4px;
  background:rgba(122,107,255,.16);
  border:1px solid rgba(122,107,255,.5);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:#CFC9FF;
}
.tier-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;
  background:linear-gradient(135deg,rgba(212,162,76,.3),rgba(201,138,75,.1));
  border:1px solid rgba(212,162,76,.55);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  color:var(--wood-hi);
}

.data-list{list-style:none}
.data-list__row{
  display:grid;grid-template-columns:minmax(92px,150px) 1fr auto;
  gap:14px;align-items:baseline;
  padding:11px 0;line-height:1.4;
  border-bottom:1px solid var(--line-soft);
}
.data-list__row:last-child{border-bottom:0}
.data-list__key{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--wood)}
.data-list__val{font-size:15px;color:rgba(244,241,234,.88)}
.data-list__meta{font-family:var(--font-mono);font-size:11px;color:var(--stone-gray);white-space:nowrap}
.panel--paper .data-list__row{border-bottom-color:rgba(16,18,22,.12)}
.panel--paper .data-list__val{color:var(--stone-ink)}

.meter{position:relative;height:8px;border-radius:999px;background:rgba(154,160,174,.22);overflow:hidden}
.meter__fill{
  display:block;height:100%;width:0;
  border-radius:999px;
  background:linear-gradient(90deg,var(--gold),var(--cyan));
  transition:width .6s var(--ease);
}
.meter__node{
  position:absolute;top:50%;width:12px;height:12px;border-radius:50%;
  transform:translate(-50%,-50%);
  background:var(--ink-0);border:2px solid var(--gold);
}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:10px;cursor:pointer;
  border:1px solid rgba(154,160,174,.45);
  background:transparent;color:var(--stone-white);
  font-size:15px;font-weight:600;letter-spacing:.03em;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn--accent{background:var(--cyan);border-color:var(--cyan);color:#04191A}
.btn--accent:hover{background:#63f7dd;color:#04191A}
.btn--wood{border-color:rgba(201,138,75,.7);color:var(--wood-hi);background:rgba(201,138,75,.1)}
.btn--wood:hover{background:rgba(201,138,75,.22);color:#F4E2C9}
.btn--ghost{border-color:rgba(56,242,208,.5);color:var(--cyan)}
.btn--ghost:hover{background:rgba(56,242,208,.12)}

.crumbs{margin-bottom:22px}
.crumbs__list{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs__item{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--stone-gray);
}
.crumbs__item+.crumbs__item::before{content:"/";color:rgba(154,160,174,.6)}
.crumbs__item a{color:rgba(244,241,234,.75)}
.crumbs__item a:hover{color:var(--cyan)}
.crumbs__item[aria-current="page"]{color:var(--wood-hi)}

/* 12 列棋盘网格 */
.board{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap)}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}
.drop-1{margin-top:24px}
.drop-2{margin-top:48px}

/* 图片容器（页面阶段放占位图） */
.media{
  position:relative;display:block;overflow:hidden;
  border-radius:var(--radius);
  border:1px solid rgba(231,195,154,.2);
  background:linear-gradient(160deg,#1B2657,#0C1330);
}
.media img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.06)}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(14,22,51,0) 42%,rgba(14,22,51,.62) 100%);
}
.media--16x9{aspect-ratio:16/9}
.media--3x2{aspect-ratio:3/2}
.media--1x1{aspect-ratio:1/1}
.media--tall{aspect-ratio:4/5}
.media__cap{
  position:absolute;left:12px;bottom:11px;z-index:2;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:var(--wood-hi);
}

/* 主题筛选按钮 */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px}
.filter-btn{
  padding:6px 14px;border-radius:999px;cursor:pointer;
  border:1px solid var(--line-soft);
  background:transparent;color:rgba(244,241,234,.8);
  font-size:13px;font-weight:600;letter-spacing:.04em;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.filter-btn:hover{border-color:var(--wood-hi);color:var(--stone-white)}
.filter-btn[aria-pressed="true"]{
  border-color:var(--cyan);color:var(--cyan);
  background:rgba(56,242,208,.09);
  box-shadow:inset 0 0 0 1px rgba(56,242,208,.4);
}

/* 显现与筛选状态 */
body[data-motion="on"] .reveal{opacity:0;transform:translate3d(0,12px,0)}
body[data-motion="on"] .reveal.is-in{
  opacity:1;transform:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.is-filtered-out{display:none !important}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:56px 0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .span-3,.span-4,.span-5{grid-column:span 6}
  .span-6,.span-7,.span-8{grid-column:span 12}
  .drop-1,.drop-2{margin-top:0}
}

@media (max-width:899px){
  .command-bar{--bar-h:58px}
  .brand-mark__sub,.brand-mark__section{display:none}
  .nav-toggle{display:inline-flex}
  .command-nav{
    display:none;
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;
    padding:10px 16px 18px;
    background:var(--ink-3);
    border-top:1px solid rgba(201,138,75,.35);
    border-bottom:1px solid var(--line);
    box-shadow:0 28px 56px rgba(3,7,20,.62);
  }
  .command-nav[data-open="true"]{display:flex;animation:nav-drop .24s var(--ease)}
  @keyframes nav-drop{from{opacity:0;transform:translate3d(0,-8px,0)}to{opacity:1;transform:none}}
  .command-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .command-nav__link{
    padding:13px 10px;border-radius:8px;font-size:16px;
    border-bottom:1px solid rgba(154,160,174,.14);
  }
  .command-nav__link[aria-current="page"]{border-color:rgba(56,242,208,.45)}
  .command-actions{margin-left:auto}
  .search-trigger__text,.search-trigger kbd{display:none}
  .quick-link{display:none}
  .search-desk{
    position:fixed;left:14px;right:14px;top:calc(var(--bar-h) + 12px);
    width:auto;
  }
}

@media (max-width:639px){
  .wrap{padding-inline:16px}
  .command-bar__inner{padding-inline:16px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .board{gap:18px}
  .board > *{grid-column:span 12}
  .section{padding:44px 0}
  .data-list__row{grid-template-columns:1fr;gap:4px}
  .data-list__meta{justify-self:start}
  .site-foot{margin-top:64px}
  .foot-base{flex-direction:column;gap:8px}
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  body[data-motion="on"] .reveal{opacity:1;transform:none}
  .status-dot{animation:none}
  .scroll-progress__fill{transition:none}
  .meter__fill{transition:none}
}