/* ==========================================================================
   金年会赛场 · 共享样式 /assets/site.css
   夜间赛场指挥中心 · 数据看板 · 粗野主义展区说明牌
   ========================================================================== */

/* ---------- 0. 设计令牌 ---------- */
:root{
  --abyss:#061A16;
  --stand:#0B2B24;
  --stand-2:#0F3A31;
  --cyan:#25F4D0;
  --cyan-soft:#7FFFE8;
  --amber:#FFB020;
  --amber-deep:#C97A00;
  --obsidian:#020806;
  --data-white:#EAF7F2;
  --mint:#8FB3A8;
  --coral:#FF5C5C;
  --lime:#C6FF3D;

  --body-soft:#C3D9D2;
  --hairline:rgba(37,244,208,.22);
  --hairline-soft:rgba(37,244,208,.12);
  --hairline-amber:rgba(255,176,32,.34);

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --hdr-h:64px;
  --wrap-max:1360px;
  --gutter:clamp(16px,3vw,40px);
  --edge:2px;
  --shadow-hard:7px 7px 0 rgba(2,8,6,.78);
  --shadow-cyan:7px 7px 0 rgba(37,244,208,.16);
  --shadow-amber:7px 7px 0 rgba(201,122,0,.32);
}

/* ---------- 1. 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,fieldset{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--cyan-soft)}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
::selection{background:var(--cyan);color:var(--obsidian)}
[hidden]{display:none !important}

/* ---------- 2. 基础排版 ---------- */
body{
  background-color:var(--abyss);
  background-image:
    radial-gradient(circle at 10% 4%,rgba(37,244,208,.12),transparent 44%),
    radial-gradient(circle at 92% -6%,rgba(255,176,32,.10),transparent 40%),
    linear-gradient(180deg,rgba(11,43,36,.85),rgba(6,26,22,.98) 58%);
  background-attachment:fixed;
  color:var(--data-white);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  min-height:100vh;
  overflow-x:hidden;
}

h1,h2,h3,h4{font-weight:900;line-height:1.14;letter-spacing:-.02em}
h1{font-size:clamp(30px,5.2vw,64px)}
h2{font-size:clamp(24px,3.4vw,42px)}
h3{font-size:clamp(19px,2.2vw,26px)}
h4{font-size:clamp(16px,1.6vw,19px)}
p{color:var(--body-soft)}

strong{color:var(--data-white);font-weight:700}

hr{border:0}

:where(h2,h3,[data-section],[id]){scroll-margin-top:calc(var(--hdr-h) + 28px)}

#main-content{display:block;outline:none;position:relative}

/* ---------- 3. 布局 ---------- */
.wrap{
  width:100%;
  max-width:var(--wrap-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.section{padding-block:clamp(44px,6.4vw,104px)}
.section--tight{padding-block:clamp(26px,3.4vw,58px)}
.section__head{display:flex;flex-direction:column;gap:10px;margin-bottom:clamp(22px,3vw,42px)}
.section__kicker{
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--amber);
}
.section__title{max-width:32ch}

.lede{font-size:clamp(15px,1.25vw,18px);line-height:1.85;color:var(--body-soft);max-width:64ch}

.split{display:grid;gap:clamp(20px,2.6vw,44px);grid-template-columns:1fr}
.grid-12{display:grid;grid-template-columns:1fr;gap:clamp(14px,1.8vw,28px)}

/* ---------- 4. 通用组件 ---------- */
.label{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  line-height:1.5;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--mint);
}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}

.skip-link{
  position:fixed;
  top:-120px;
  left:var(--gutter);
  z-index:200;
  padding:11px 18px;
  background:var(--amber);
  color:var(--obsidian);
  font-weight:800;
  letter-spacing:.04em;
  border:var(--edge) solid var(--obsidian);
  box-shadow:5px 5px 0 var(--obsidian);
  transition:top .18s ease-out;
}
.skip-link:focus{top:10px;color:var(--obsidian)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:12px 22px;
  border:var(--edge) solid var(--obsidian);
  background:var(--cyan);
  color:var(--obsidian);
  font-weight:800;
  font-size:14.5px;
  letter-spacing:.05em;
  box-shadow:5px 5px 0 var(--obsidian);
  transition:transform .16s ease-out,box-shadow .16s ease-out,background .16s ease-out,color .16s ease-out;
}
.btn:hover{background:var(--cyan-soft);color:var(--obsidian);transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--obsidian)}
.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--obsidian)}
.btn--amber{background:var(--amber)}
.btn--amber:hover{background:#FFC košile}
.btn--amber:hover{background:#FFC65A}
.btn--ghost{background:transparent;color:var(--data-white);border-color:var(--cyan);box-shadow:var(--shadow-cyan)}
.btn--ghost:hover{background:rgba(37,244,208,.12);color:var(--cyan-soft);box-shadow:var(--shadow-cyan)}

.panel{
  position:relative;
  background:var(--stand);
  border:var(--edge) solid var(--obsidian);
  box-shadow:var(--shadow-hard);
}
.panel__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:13px 18px;
  border-bottom:var(--edge) solid var(--obsidian);
  background:linear-gradient(90deg,rgba(37,244,208,.12),rgba(37,244,208,0) 68%);
}
.panel__body{padding:18px}
.panel--outline{border-color:var(--cyan);box-shadow:var(--shadow-cyan)}
.panel--amber{border-color:var(--amber);box-shadow:var(--shadow-amber)}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid var(--hairline);
  background:rgba(37,244,208,.06);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  line-height:1.5;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--cyan);
  white-space:nowrap;
}
.tag--amber{border-color:var(--hairline-amber);background:rgba(255,176,32,.08);color:var(--amber)}
.tag--coral{border-color:rgba(255,92,92,.5);background:rgba(255,92,92,.08);color:var(--coral)}

.notice{
  border:var(--edge) solid var(--obsidian);
  border-left:6px solid var(--amber);
  background:rgba(255,176,32,.08);
  padding:15px 18px;
  color:var(--body-soft);
}
.notice--coral{border-left-color:var(--coral);background:rgba(255,92,92,.08)}
.notice--cyan{border-left-color:var(--cyan);background:rgba(37,244,208,.07)}

.stat__num{
  display:block;
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(28px,4.2vw,54px);
  line-height:1;
  letter-spacing:-.03em;
  color:var(--amber);
}
.stat__label{margin-top:8px;display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--mint)}

.rule{height:1px;background:linear-gradient(90deg,var(--cyan),rgba(37,244,208,.05));border:0;margin-block:clamp(20px,3vw,38px)}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--mint);
}
.breadcrumb a{color:var(--mint)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb__sep{color:rgba(143,179,168,.45)}
.breadcrumb__item--current{color:var(--data-white);font-weight:600}

/* ---------- 5. 索引栏 ---------- */
.index-rail{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding-left:16px;
  border-left:var(--edge) solid var(--hairline);
}
.index-rail__title{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--amber);
}
.index-rail__list{display:flex;flex-direction:column;gap:2px}
.index-rail__link{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:7px 10px;
  color:var(--body-soft);
  font-size:13.5px;
  border-left:2px solid transparent;
  transition:background .15s ease-out,color .15s ease-out,border-color .15s ease-out;
}
.index-rail__link:hover{background:rgba(37,244,208,.09);color:var(--cyan-soft)}
.index-rail__link[aria-current="true"]{
  color:var(--cyan);
  border-left-color:var(--cyan);
  background:rgba(37,244,208,.10);
}

/* ---------- 6. 图片容器 ---------- */
.media{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  background:var(--stand-2);
  border:var(--edge) solid var(--obsidian);
  box-shadow:var(--shadow-hard);
}
.media img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(1.06) contrast(1.04);
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(142deg,rgba(37,244,208,.16),rgba(37,244,208,0) 46%),
             linear-gradient(0deg,rgba(2,8,6,.42),rgba(2,8,6,0) 52%);
}
.media--21x9{aspect-ratio:21/9}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--3x4{aspect-ratio:3/4}
.media--1x1{aspect-ratio:1/1}
.media__caption{
  position:absolute;
  left:0;
  bottom:0;
  z-index:2;
  max-width:100%;
  padding:8px 13px;
  background:rgba(2,8,6,.8);
  border-top:var(--edge) solid var(--cyan);
  font-family:var(--font-mono);
  font-size:11px;
  line-height:1.5;
  letter-spacing:.12em;
  color:var(--data-white);
}
.media__badge{
  position:absolute;
  top:10px;
  left:10px;
  z-index:2;
  padding:5px 10px;
  background:var(--amber);
  color:var(--obsidian);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:800;
  line-height:1.4;
  letter-spacing:.1em;
}
.media-grid{display:grid;gap:clamp(14px,1.8vw,26px);grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}

/* ---------- 7. 返回顶部 ---------- */
.back-top{
  position:fixed;
  right:clamp(14px,2vw,32px);
  bottom:clamp(14px,2vw,32px);
  z-index:70;
  width:56px;
  height:56px;
  display:grid;
  place-items:center;
  border:var(--edge) solid var(--obsidian);
  background:var(--amber);
  color:var(--obsidian);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:800;
  letter-spacing:.08em;
  box-shadow:5px 5px 0 var(--obsidian);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out,background .2s ease-out;
}
.back-top[data-visible]{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--cyan)}

/* ---------- 8. 头部 / 命令栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg,#081F1A,#061A16 92%);
  border-bottom:var(--edge) solid var(--obsidian);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:linear-gradient(90deg,var(--cyan) 0 16%,rgba(37,244,208,0) 56%,rgba(255,176,32,.8) 100%);
  pointer-events:none;
}

.cmd-bar{
  display:flex;
  align-items:center;
  gap:clamp(8px,1.3vw,22px);
  width:100%;
  max-width:var(--wrap-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
  min-height:var(--hdr-h);
}

.cmd-brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--data-white);
}
.cmd-brand:hover{color:var(--data-white)}
.cmd-brand__mark{
  display:grid;
  place-items:center;
  width:36px;
  height:36px;
  background:var(--cyan);
  color:var(--obsidian);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:800;
  letter-spacing:.02em;
  clip-path:polygon(0 0,100% 0,84% 100%,0 100%);
  box-shadow:3px 3px 0 var(--obsidian);
}
.cmd-brand__lines{display:flex;flex-direction:column;line-height:1.12}
.cmd-brand__cn{font-size:15px;font-weight:900;letter-spacing:.06em}
.cmd-brand__en{font-family:var(--font-mono);font-size:9.5px;font-weight:600;letter-spacing:.24em;color:var(--mint)}

.cmd-nav{flex:1 1 auto;min-width:0}
.cmd-nav__list{display:flex;align-items:center;gap:2px}
.cmd-nav__link{
  position:relative;
  display:block;
  padding:9px 11px;
  font-size:13.5px;
  font-weight:600;
  color:var(--data-white);
  white-space:nowrap;
  transition:color .15s ease-out,background .15s ease-out;
}
.cmd-nav__link:hover{color:var(--cyan-soft);background:rgba(37,244,208,.10)}
.cmd-nav__link[aria-current="page"]{color:var(--cyan)}
.cmd-nav__link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:11px;
  right:11px;
  bottom:2px;
  height:2px;
  background:var(--amber);
}

.cmd-status{
  display:flex;
  align-items:center;
  gap:9px;
  flex:0 0 auto;
  padding:6px 12px;
  border:1px solid var(--hairline);
  background:rgba(37,244,208,.06);
}
.cmd-status__lamp{
  width:8px;
  height:8px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 0 rgba(37,244,208,.6);
  animation:lamp-pulse 2.4s ease-out infinite;
}
@keyframes lamp-pulse{
  0%{box-shadow:0 0 0 0 rgba(37,244,208,.55)}
  70%{box-shadow:0 0 0 9px rgba(37,244,208,0)}
  100%{box-shadow:0 0 0 0 rgba(37,244,208,0)}
}
.cmd-status__text{display:flex;flex-direction:column;line-height:1.25}
.cmd-status__line{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--data-white)}
.cmd-status__meta{font-family:var(--font-mono);font-size:10px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--mint)}

.cmd-cta{
  display:none;
  align-items:center;
  padding:9px 15px;
  border:var(--edge) solid var(--obsidian);
  background:var(--amber);
  color:var(--obsidian);
  font-size:13px;
  font-weight:800;
  letter-spacing:.06em;
  white-space:nowrap;
  box-shadow:4px 4px 0 var(--obsidian);
  transition:transform .15s ease-out,box-shadow .15s ease-out;
}
.cmd-cta:hover{color:var(--obsidian);transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--obsidian)}

.cmd-cmd{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 13px;
  border:1px solid var(--hairline-amber);
  background:rgba(255,176,32,.08);
  color:var(--amber);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.16em;
  transition:background .15s ease-out,color .15s ease-out,border-color .15s ease-out;
}
.cmd-cmd:hover{background:var(--amber);color:var(--obsidian);border-color:var(--amber)}

.cmd-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:8px 11px;
  border:1px solid var(--hairline);
  background:rgba(37,244,208,.06);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.16em;
}
.cmd-toggle:hover{background:rgba(37,244,208,.14)}
.cmd-toggle__bars{display:flex;flex-direction:column;gap:3px;width:16px}
.cmd-toggle__bars i{display:block;height:2px;background:var(--cyan)}
.cmd-toggle__bars i:nth-child(2){width:68%}
.cmd-toggle__label{white-space:nowrap}

.cmd-progress{
  position:relative;
  height:3px;
  background:rgba(37,244,208,.10);
}
.cmd-progress__bar{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--cyan),var(--amber));
}

/* ---------- 9. 命令索引面板 ---------- */
.cmdk{
  position:fixed;
  inset:0;
  z-index:90;
  display:grid;
  justify-items:center;
  align-content:start;
  padding:clamp(12px,7vh,90px) var(--gutter);
}
.cmdk__scrim{
  position:absolute;
  inset:0;
  background:rgba(2,8,6,.84);
}
.cmdk__box{
  position:relative;
  width:min(760px,100%);
  max-height:82vh;
  overflow:auto;
  background:var(--stand);
  border:var(--edge) solid var(--cyan);
  box-shadow:12px 12px 0 var(--obsidian);
  animation:cmdk-in .18s ease-out;
}
@keyframes cmdk-in{
  from{opacity:0;transform:translateY(-10px)}
  to{opacity:1;transform:translateY(0)}
}
.cmdk__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:13px 18px;
  border-bottom:var(--edge) solid var(--obsidian);
  background:linear-gradient(90deg,rgba(37,244,208,.14),rgba(37,244,208,0) 70%);
}
.cmdk__close{
  padding:6px 12px;
  border:1px solid var(--hairline);
  color:var(--data-white);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
}
.cmdk__close:hover{background:var(--cyan);color:var(--obsidian)}
.cmdk__list{display:flex;flex-direction:column}
.cmdk__link{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:baseline;
  gap:14px;
  padding:13px 18px;
  border-bottom:1px solid var(--hairline-soft);
  color:var(--data-white);
  transition:background .14s ease-out,color .14s ease-out;
}
.cmdk__link:hover{background:rgba(37,244,208,.10);color:var(--cyan-soft)}
.cmdk__link[aria-current="page"]{background:rgba(37,244,208,.10);color:var(--cyan)}
.cmdk__num{font-family:var(--font-mono);font-size:12px;color:var(--amber)}
.cmdk__name{font-size:15px;font-weight:600}
.cmdk__route{font-family:var(--font-mono);font-size:11px;color:var(--mint)}
.cmdk__foot{
  padding:12px 18px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--mint);
}

/* ---------- 10. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,112px);
  background:var(--stand);
  border-top:var(--edge) solid var(--obsidian);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-2px;
  left:0;
  width:clamp(120px,22%,340px);
  height:2px;
  background:var(--cyan);
}
.foot-top{
  display:grid;
  gap:clamp(26px,3.4vw,54px);
  padding-block:clamp(38px,5vw,76px);
}
.foot-brand__cn{font-size:clamp(24px,3.2vw,38px);font-weight:900;letter-spacing:-.01em;color:var(--data-white)}
.foot-brand__en{
  margin-top:6px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.3em;
  color:var(--cyan);
}
.foot-brand__tag{margin-top:15px;font-size:13.5px;line-height:1.8;color:var(--mint);max-width:36ch}
.foot-brand__meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}

.foot-contact{margin-top:22px;display:flex;flex-direction:column}
.foot-contact__row{
  display:flex;
  gap:12px;
  padding:9px 0;
  border-bottom:1px dashed var(--hairline-soft);
}
.foot-contact__key{
  flex:0 0 52px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.16em;
  line-height:1.8;
  color:var(--cyan);
}
.foot-contact__val{font-size:13.5px;line-height:1.75;color:var(--body-soft);word-break:break-word}

.foot-cols{
  display:grid;
  gap:clamp(22px,2.6vw,38px);
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
}
.foot-col__title{
  padding-bottom:10px;
  margin-bottom:13px;
  border-bottom:1px solid var(--hairline-amber);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--amber);
}
.foot-col__list{display:flex;flex-direction:column;gap:10px}
.foot-col__link{font-size:14px;font-weight:500;color:var(--data-white);transition:color .14s ease-out}
.foot-col__link:hover{color:var(--cyan)}

.foot-legal{
  border-top:var(--edge) solid var(--obsidian);
  background:rgba(2,8,6,.52);
  padding:16px var(--gutter);
}
.foot-legal__inner{
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  width:100%;
  max-width:var(--wrap-max);
  margin-inline:auto;
  font-family:var(--font-mono);
  font-size:11.5px;
  line-height:1.7;
  letter-spacing:.05em;
  color:var(--mint);
}
.foot-legal__item--strong{color:var(--data-white);font-weight:700}

/* ---------- 11. 响应式 ---------- */
@media (max-width:1400px){
  .cmd-nav__link{padding:9px 8px;font-size:12.5px}
  .cmd-nav__link[aria-current="page"]::after{left:8px;right:8px}
}
@media (min-width:1400px){
  .cmd-cta{display:inline-flex}
}

@media (max-width:1179px){
  .cmd-toggle{display:inline-flex}
  .cmd-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    max-height:min(72vh,540px);
    overflow-y:auto;
    padding:6px var(--gutter) 18px;
    background:var(--abyss);
    border-bottom:3px solid var(--cyan);
    box-shadow:0 26px 52px rgba(2,8,6,.74);
  }
  .cmd-nav[data-open]{display:block;animation:nav-drop .18s ease-out}
  @keyframes nav-drop{
    from{opacity:0;transform:translateY(-8px)}
    to{opacity:1;transform:translateY(0)}
  }
  .cmd-nav__list{flex-direction:column;align-items:stretch;gap:0;counter-reset:nav}
  .cmd-nav__item{
    counter-increment:nav;
    border-bottom:1px solid var(--hairline-soft);
  }
  .cmd-nav__link{
    display:flex;
    align-items:center;
    gap:12px;
    padding:14px 6px;
    font-size:15px;
  }
  .cmd-nav__link::before{
    content:counter(nav,decimal-leading-zero);
    font-family:var(--font-mono);
    font-size:11px;
    font-weight:700;
    letter-spacing:.1em;
    color:var(--amber);
  }
  .cmd-nav__link[aria-current="page"]::after{
    left:0;
    right:auto;
    top:8px;
    bottom:8px;
    width:3px;
    height:auto;
  }
  .cmd-nav__link[aria-current="page"]{background:rgba(37,244,208,.08)}
}

@media (min-width:1024px){
  .split{grid-template-columns:minmax(200px,3fr) 9fr;align-items:start}
  .grid-12{grid-template-columns:repeat(12,1fr)}
  .foot-top{grid-template-columns:1.15fr 2fr}
}

@media (max-width:899px){
  .cmd-status{display:none}
  .foot-top{grid-template-columns:1fr}
}

@media (max-width:560px){
  :root{--hdr-h:60px}
  .cmd-brand__mark{width:32px;height:32px;font-size:12px}
  .cmd-brand__cn{font-size:14px}
  .cmd-brand__en{display:none}
  .cmd-toggle__label{display:none}
  .cmd-cmd{padding:8px 10px;letter-spacing:.1em}
  .foot-legal__inner{font-size:11px}
  .back-top{width:50px;height:50px}
}

@media (min-width:1000px){
  body{background-attachment:fixed}
}
@media (max-width:999px){
  body{background-attachment:scroll}
}

/* ---------- 12. 无障碍与动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .cmd-status__lamp{animation:none;box-shadow:0 0 0 4px rgba(37,244,208,.18)}
  .back-top{transform:none}
}