/* ===========================================================
   百人牛牛主站 · 共享样式 /assets/site.css
   苗银冷光底 + 深夜牌桌 + 牛角铜金 + 霓虹青柠 + 朱砂红
   =========================================================== */

:root{
  --silver:#E9EDF2;
  --table:#0F151D;
  --felt:#1B2430;
  --mist:#A9B4C0;
  --horn:#C08A3E;
  --horn-lite:#E8C88A;
  --horn-deep:#8C5F22;
  --lime:#B8FF3C;
  --lime-deep:#6FBF1F;
  --cinnabar:#E2402F;
  --cinnabar-deep:#B3301F;
  --rule-blue:#5F7896;
  --card:#F7F9FB;
  --ink:#0A0E13;
  --line:rgba(169,180,192,.45);
  --line-dark:rgba(233,237,242,.14);
  --shadow-1:0 1px 0 rgba(15,21,29,.05),0 12px 26px -20px rgba(15,21,29,.55);
  --shadow-2:0 22px 46px -26px rgba(15,21,29,.62);
  --radius:4px;
  --wrap:1200px;
  --pad:clamp(16px,4vw,40px);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:180ms;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC",system-ui,-apple-system,"Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,table,th,td{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}

/* ---------- 页面基底 ---------- */
body{
  font-family:var(--sans);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--silver);
  background-image:
    radial-gradient(110% 70% at 84% -8%,rgba(184,255,60,.10),transparent 58%),
    radial-gradient(80% 60% at 4% -6%,rgba(169,180,192,.55),transparent 52%);
  background-repeat:no-repeat;
  min-height:100vh;
  overflow-x:hidden;
}
body::after{
  content:"";
  position:fixed;
  left:0;bottom:0;height:3px;width:100%;
  transform:scaleX(var(--scroll-progress,0));
  transform-origin:left center;
  background:linear-gradient(90deg,var(--horn),var(--lime));
  z-index:60;
  pointer-events:none;
}
h1,h2,h3,h4{font-weight:900;line-height:1.15;letter-spacing:.02em}
h1{font-size:clamp(2.4rem,5vw,4.4rem)}
h2{font-size:clamp(1.55rem,3vw,2.35rem)}
h3{font-size:clamp(1.1rem,1.6vw,1.4rem);font-weight:700}
h4{font-size:1rem;font-weight:700}
.stat-num,.count-num,.rail-no,.chapter-no,.data-table .num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.u-sr{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
.page-shell{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.prose{max-width:68ch}
.prose p{margin-bottom:1.1em;color:var(--ink)}
.prose h2,.prose h3{margin:1.6em 0 .6em}
.prose a{color:var(--rule-blue);border-bottom:1px solid currentColor}
.prose a:hover{color:var(--lime-deep)}
.divider-slant{
  height:clamp(26px,5vw,60px);
  margin:clamp(28px,5vw,72px) 0;
  background:linear-gradient(90deg,rgba(95,120,150,.30),rgba(192,138,62,.18) 55%,rgba(95,120,150,0));
  clip-path:polygon(0 0,100% 0,88% 100%,0 100%);
}

/* ---------- 布局工具 ---------- */
.grid{display:grid;gap:clamp(16px,3vw,32px)}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.split{display:grid;gap:clamp(24px,4vw,64px);grid-template-columns:minmax(0,min(38%,420px)) minmax(0,1fr)}
.split[data-flip]{grid-template-columns:minmax(0,1fr) minmax(0,min(38%,420px))}
.stack{display:flex;flex-direction:column;gap:16px}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:12px}

/* ---------- 章节头 / 标签 ---------- */
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:clamp(12px,2vw,28px);
  padding-bottom:16px;margin-bottom:clamp(24px,4vw,48px);
  border-bottom:1px solid var(--line);
}
.chapter-no{
  font-size:clamp(2.6rem,7vw,5.4rem);
  font-weight:700;
  line-height:.8;
  color:rgba(192,138,62,.45);
}
.exhibit-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border:1px solid var(--line);border-radius:999px;
  font-size:.75rem;font-weight:700;letter-spacing:.18em;
  color:var(--rule-blue);background:rgba(247,249,251,.72);
}
.exhibit-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--horn)}

/* ---------- 面包屑 ---------- */
.breadcrumb{margin:clamp(16px,3vw,28px) 0;font-size:.8125rem;color:var(--mist);letter-spacing:.06em}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb-list a{color:var(--rule-blue);border-bottom:1px solid transparent}
.breadcrumb-list a:hover{color:var(--lime-deep);border-bottom-color:currentColor}
.breadcrumb-sep{color:var(--mist)}
.breadcrumb [aria-current="page"]{color:var(--ink);font-weight:700}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:9px 16px;border:1px solid transparent;border-radius:2px;
  font-size:.84rem;font-weight:700;letter-spacing:.06em;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),
             color var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-gold{
  color:var(--horn-lite);border-color:var(--horn);
  background:linear-gradient(180deg,rgba(192,138,62,.24),rgba(192,138,62,.06));
}
.btn-gold:hover{
  color:#150D03;background:linear-gradient(180deg,var(--horn-lite),var(--horn));
  box-shadow:0 10px 24px -14px rgba(192,138,62,.9);
}
.btn-ghost{color:var(--silver);border-color:rgba(169,180,192,.5)}
.btn-ghost:hover{color:var(--lime);border-color:var(--lime);background:rgba(184,255,60,.08)}
.btn-lime{color:#0F1A02;background:linear-gradient(180deg,var(--lime),var(--lime-deep))}
.btn-lime:hover{box-shadow:0 12px 26px -16px rgba(111,191,31,.9)}
.btn-ink{color:var(--silver);background:linear-gradient(180deg,#1A2330,var(--table));border-color:var(--table)}
.btn-ink:hover{color:var(--lime);border-color:var(--lime)}

/* ---------- 命令栏 ---------- */
.cmdbar{
  --bar-h:64px;
  position:sticky;top:0;z-index:50;
  background:linear-gradient(180deg,#131C26,var(--table) 62%);
  color:var(--silver);
  border-bottom:1px solid rgba(192,138,62,.45);
  transition:background-color var(--dur) var(--ease);
}
.cmdbar[data-scrolled]{--bar-h:44px}
.cmdbar-inner{
  position:relative;
  display:flex;align-items:center;gap:clamp(10px,2vw,26px);
  width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);
  min-height:var(--bar-h);
}
.skip-link{
  position:absolute;left:var(--pad);top:8px;z-index:80;
  padding:10px 16px;border-radius:2px;
  background:var(--horn-lite);color:#150D03;font-size:.85rem;font-weight:700;
  transform:translateY(-240%);
  transition:transform var(--dur) var(--ease);
}
.skip-link:focus{transform:translateY(0)}
.brand-lock{display:inline-flex;align-items:center;gap:10px;flex:none}
.horn-mark{
  display:grid;place-items:center;width:34px;height:34px;flex:none;
  color:var(--table);
  background:linear-gradient(150deg,var(--horn-lite),var(--horn) 56%,var(--horn-deep));
  clip-path:polygon(0 0,100% 0,100% 74%,74% 100%,0 100%);
  box-shadow:0 0 0 1px rgba(232,200,138,.35),0 12px 22px -16px rgba(184,255,60,.7);
}
.horn-mark svg{width:22px;height:22px;fill:currentColor}
.brand-words{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:.95rem;font-weight:900;letter-spacing:.06em;color:var(--silver)}
.brand-sub{font-size:.7rem;font-weight:300;letter-spacing:.18em;color:var(--mist)}
.cmdbar[data-scrolled] .brand-sub{display:none}
.cmd-nav{flex:0 1 auto;min-width:0}
.cmd-nav-list{display:flex;align-items:center;gap:clamp(0px,.8vw,8px);counter-reset:nav}
.cmd-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 10px;border-bottom:2px solid transparent;border-radius:2px;
  font-size:.875rem;font-weight:500;letter-spacing:.04em;color:var(--mist);
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.cmd-link::before{
  counter-increment:nav;content:"0" counter(nav);
  font-family:var(--mono);font-size:.62rem;letter-spacing:0;color:var(--horn);
}
.cmd-link:hover{color:var(--lime);background:rgba(184,255,60,.08)}
.cmd-link[aria-current="page"]{color:var(--silver);font-weight:700;border-bottom-color:var(--horn)}
.cmd-tools{display:flex;align-items:center;gap:8px;margin-left:auto;flex:none}
.count-chip{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:6px 11px;
  border:1px solid rgba(192,138,62,.5);
  background:linear-gradient(180deg,rgba(192,138,62,.18),rgba(192,138,62,.04));
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.count-label{font-size:.7rem;letter-spacing:.14em;color:var(--mist)}
.count-num{font-size:.92rem;font-weight:700;color:var(--horn-lite)}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 12px;border:1px solid rgba(169,180,192,.5);border-radius:2px;
  color:var(--silver);font-size:.8rem;font-weight:700;letter-spacing:.1em;
}
.nav-toggle:hover{color:var(--lime);border-color:var(--lime)}
.nav-toggle-bars{position:relative;display:block;width:16px;height:2px;background:currentColor}
.nav-toggle-bars::before,.nav-toggle-bars::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor}
.nav-toggle-bars::before{top:-5px}
.nav-toggle-bars::after{top:5px}
.nav-toggle-text{white-space:nowrap}

/* ---------- 牌位索引 ---------- */
.rail{position:fixed;z-index:55}
.rail-handle{display:none}
.rail-list{display:none}
.rail-handle-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px rgba(184,255,60,.85)}
.rail-handle-text{white-space:nowrap}
.rail-no{display:inline-block;font-size:.66rem;color:var(--horn);writing-mode:horizontal-tb;letter-spacing:0}
.rail-link{
  display:inline-flex;align-items:center;gap:8px;color:var(--mist);
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.rail-link:hover{color:var(--lime);background:rgba(184,255,60,.10)}

/* ---------- 页脚 ---------- */
.site-foot{
  position:relative;
  margin-top:clamp(64px,9vw,140px);
  padding:clamp(48px,7vw,96px) 0 26px;
  color:var(--silver);
  background-color:var(--table);
  background-image:
    radial-gradient(90% 120% at 88% 0%,rgba(184,255,60,.10),transparent 55%),
    linear-gradient(180deg,#131C26,var(--table) 55%,#0B1017);
}
.site-foot::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(192,138,62,.85),rgba(184,255,60,.45),transparent);
}
.foot-inner{
  width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,2.4fr);
  gap:clamp(28px,4vw,64px);
}
.foot-brandline{
  position:relative;
  padding-left:16px;
  font-size:1.05rem;font-weight:900;letter-spacing:.08em;color:var(--silver);
}
.foot-brandline::before{
  content:"";position:absolute;left:0;top:.35em;width:6px;height:1.1em;
  background:linear-gradient(180deg,var(--horn-lite),var(--horn-deep));
}
.foot-tagline{margin-top:12px;font-size:.8125rem;font-weight:300;letter-spacing:.06em;color:var(--mist);max-width:26em}
.foot-count{margin-top:14px;font-size:.8125rem;color:var(--mist);letter-spacing:.06em}
.foot-cta{
  display:inline-flex;align-items:center;gap:8px;margin-top:16px;
  padding:10px 16px;border:1px solid var(--lime);border-radius:2px;
  font-size:.82rem;font-weight:700;letter-spacing:.1em;color:var(--lime);
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.foot-cta:hover{background:var(--lime);color:#0F1A02}
.foot-cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2.4vw,32px)}
.foot-col-title{
  position:relative;padding-left:12px;margin-bottom:14px;
  font-size:.78rem;font-weight:700;letter-spacing:.2em;color:var(--horn-lite);
}
.foot-col-title::before{content:"";position:absolute;left:0;top:.45em;width:3px;height:.9em;background:var(--lime)}
.foot-links li+li{margin-top:9px}
.foot-links a{
  font-size:.875rem;color:var(--mist);
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.foot-links a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.foot-contact{
  width:100%;max-width:var(--wrap);margin:clamp(32px,5vw,64px) auto 0;padding:18px var(--pad) 0;
  border-top:1px solid var(--line-dark);
  display:flex;flex-direction:column;gap:10px;
}
.foot-contact-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;
  font-size:.8125rem;font-weight:300;letter-spacing:.05em;color:var(--mist);
}
.foot-strong{font-family:var(--mono);font-weight:400;color:var(--silver);letter-spacing:.02em}
.copy-chip{
  padding:5px 10px;border:1px solid var(--line-dark);border-radius:2px;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--mist);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.copy-chip:hover,.copy-chip[data-copied]{color:var(--lime);border-color:var(--lime)}
.foot-base{
  width:100%;max-width:var(--wrap);margin:0 auto;padding:20px var(--pad) 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;
  font-family:var(--mono);font-size:.75rem;letter-spacing:.04em;color:var(--mist);
}
.foot-legal{color:var(--mist)}
.foot-note{color:var(--mist)}

/* ---------- 卡片 / 牌面 / 数据 ---------- */
.tile{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.tile:hover,.tile:focus-within{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow-2)}
.tile-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:10px}
.tile[data-tone="dark"]{background:var(--felt);border-color:var(--line-dark);color:var(--silver)}
.card-face{
  position:relative;
  padding:clamp(18px,2.4vw,30px);
  color:var(--silver);
  background:linear-gradient(160deg,var(--felt),var(--table));
  border:1px solid rgba(192,138,62,.42);
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,18px 100%,0 calc(100% - 18px));
  box-shadow:var(--shadow-2);
}
.card-face::after{content:"";position:absolute;inset:8px;border:1px solid var(--line-dark);pointer-events:none}
.card-face h3,.card-face h2{color:var(--silver)}
.stat-num{font-size:clamp(1.8rem,3.4vw,2.8rem);font-weight:700;line-height:1;color:var(--horn)}
.card-face .stat-num{color:var(--horn-lite)}
.meter{height:8px;border-radius:999px;background:rgba(169,180,192,.3);overflow:hidden}
.meter-fill{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--lime-deep),var(--lime))}
.meter[data-tone="horn"] .meter-fill{background:linear-gradient(90deg,var(--horn-deep),var(--horn-lite))}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border:1px solid currentColor;border-radius:999px;
  font-size:.72rem;font-weight:700;letter-spacing:.12em;
  background:rgba(233,237,242,.6);
}
.tag-lime{color:var(--lime-deep)}
.tag-horn{color:var(--horn-deep)}
.tag-red{color:var(--cinnabar-deep)}
.card-face .tag,.tile[data-tone="dark"] .tag{background:rgba(15,21,29,.5)}
.card-face .tag-lime,.tile[data-tone="dark"] .tag-lime{color:var(--lime)}
.card-face .tag-horn,.tile[data-tone="dark"] .tag-horn{color:var(--horn-lite)}
.card-face .tag-red,.tile[data-tone="dark"] .tag-red{color:var(--cinnabar)}
.data-table{
  font-size:.9rem;background:var(--card);border:1px solid var(--line);
}
.data-table caption{padding:10px 14px;text-align:left;font-size:.8125rem;letter-spacing:.06em;color:var(--mist)}
.data-table th,.data-table td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.data-table thead th{
  background:var(--rule-blue);color:var(--card);
  font-size:.8125rem;font-weight:700;letter-spacing:.08em;white-space:nowrap;
}
.data-table tbody tr:nth-child(even){background:rgba(233,237,242,.6)}
.data-table tbody tr:hover{background:rgba(184,255,60,.16)}
.data-table tbody tr:last-child th,.data-table tbody tr:last-child td{border-bottom:0}
.list-plain{display:flex;flex-direction:column;gap:10px}
.list-plain li{display:flex;gap:10px;align-items:flex-start;font-size:.9rem}
.list-plain li::before{
  content:"";flex:none;width:7px;height:7px;margin-top:.62em;
  background:var(--horn);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
}

/* ---------- 图片容器基础规则 ---------- */
.media-frame{
  position:relative;overflow:hidden;isolation:isolate;
  aspect-ratio:16/9;
  background:linear-gradient(150deg,#2B3745,var(--table) 58%,var(--felt));
}
.media-frame::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(169,180,192,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(169,180,192,.10) 1px,transparent 1px);
  background-size:26px 26px;
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(70% 60% at 18% 8%,rgba(184,255,60,.16),transparent 62%);
}
.media-frame img,.media-frame video{position:relative;width:100%;height:100%;object-fit:cover;z-index:1}
.media-frame[data-ratio="21x9"]{aspect-ratio:21/9}
.media-frame[data-ratio="3x2"]{aspect-ratio:3/2}
.media-frame[data-ratio="4x3"]{aspect-ratio:4/3}
.media-frame[data-ratio="1x1"]{aspect-ratio:1/1}
.media-frame[data-shape="slant"]{clip-path:polygon(0 0,100% 0,100% calc(100% - 34px),calc(100% - 34px) 100%,0 100%)}
.media-frame[data-shape="card"]{clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,0 100%)}
.media-caption{display:block;margin-top:10px;font-size:.8125rem;font-weight:300;letter-spacing:.06em;color:var(--mist)}

/* ---------- 显现协议 ---------- */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity 280ms var(--ease),transform 280ms var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 平板 ---------- */
@media (max-width:1023px){
  .cmd-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;max-height:calc(100vh - 64px);overflow:auto;
    padding:8px var(--pad) 20px;
    background:linear-gradient(180deg,#141D28,var(--table) 70%,#0B1017);
    border-bottom:1px solid rgba(192,138,62,.45);
    box-shadow:0 26px 40px -30px rgba(0,0,0,.9);
  }
  .cmd-nav[data-open]{display:block}
  .cmd-nav-list{flex-direction:column;align-items:stretch;gap:0}
  .cmd-link{
    width:100%;padding:14px 4px;font-size:1rem;
    border-bottom:1px solid var(--line-dark);
    justify-content:flex-start;
  }
  .cmd-link[aria-current="page"]{border-bottom-color:var(--horn)}
  .nav-toggle{display:inline-flex}
  .split,.split[data-flip]{grid-template-columns:minmax(0,1fr)}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-inner{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:1399px){
  .rail{right:16px;bottom:16px;left:auto;top:auto;transform:none}
  .rail-handle{
    display:inline-flex;align-items:center;gap:8px;
    padding:11px 15px;
    color:var(--horn-lite);
    background:linear-gradient(180deg,#17212C,var(--table));
    border:1px solid rgba(192,138,62,.55);
    font-size:.8rem;font-weight:700;letter-spacing:.16em;
    clip-path:polygon(0 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%);
    box-shadow:0 16px 30px -20px rgba(0,0,0,.95);
  }
  .rail[data-open] .rail-handle{color:#0F1A02;background:linear-gradient(180deg,var(--lime),var(--lime-deep))}
  .rail-list{
    position:absolute;right:0;bottom:calc(100% + 10px);
    width:min(72vw,244px);padding:8px;
    flex-direction:column;gap:0;
    background:linear-gradient(180deg,#141D28,var(--table) 70%,#0B1017);
    border:1px solid rgba(192,138,62,.45);
    box-shadow:0 24px 40px -26px rgba(0,0,0,.95);
  }
  .rail[data-open] .rail-list{display:flex}
  .rail-link{
    width:100%;padding:12px 10px;writing-mode:horizontal-tb;
    border-bottom:1px solid var(--line-dark);
    font-size:.8125rem;letter-spacing:.08em;
  }
  .rail-link:last-child{border-bottom:0}
  .rail-link[aria-current="page"]{
    color:var(--lime);background:rgba(184,255,60,.10);border-bottom-color:var(--lime);
  }
}
@media (min-width:1400px){
  .rail{left:16px;top:50%;transform:translateY(-50%);max-height:88vh;overflow:auto}
  .rail-list{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
  .rail-link{
    writing-mode:vertical-rl;text-orientation:mixed;
    padding:10px 6px;font-size:.76rem;letter-spacing:.2em;
    box-shadow:inset 3px 0 0 transparent;
  }
  .rail-link[aria-current="page"]{color:var(--lime);box-shadow:inset 3px 0 0 var(--horn)}
}

/* ---------- 手机 ---------- */
@media (max-width:900px){
  .foot-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .cmdbar{--bar-h:60px}
  .btn-ghost{display:none}
  .count-label{display:none}
}
@media (max-width:640px){
  .grid-2,.grid-3{grid-template-columns:minmax(0,1fr)}
  .cmd-tools .btn{display:none}
  .cmd-link{font-size:.95rem}
  .foot-base{flex-direction:column;align-items:flex-start}
}
@media (max-width:460px){
  .foot-cols{grid-template-columns:minmax(0,1fr)}
  .brand-sub{display:none}
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
}