/* =========================================================
   英博体育站 · 共享样式表 /assets/site.css
   夜间赛场指挥室：深墨绿底、荧光青状态、琥珀橙数据
   ========================================================= */

:root{
  --ink:#0B1F17;
  --ink-deep:#06110D;
  --turf:#123B2A;
  --cyan:#4DF0C8;
  --cyan-soft:#8CF7DD;
  --amber:#FFB347;
  --paper:#E6FFF7;
  --muted:#8FA39B;
  --alert:#FF6B6B;
  --cream:#F3EAD7;
  --line:rgba(77,240,200,.16);
  --line-soft:rgba(143,163,155,.22);
  --shell:1240px;
  --pad:clamp(16px,4vw,32px);
  --bar-h:60px;
  --font-head:"Barlow Condensed","Oswald","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"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;
  scroll-padding-top:112px;
}

body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}

body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    repeating-linear-gradient(90deg,rgba(77,240,200,.05) 0 1px,transparent 1px 96px),
    repeating-linear-gradient(0deg,rgba(77,240,200,.04) 0 1px,transparent 1px 96px);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
::selection{background:var(--cyan);color:var(--ink-deep)}

/* ---------- 中文排版 ---------- */
h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:700;
  line-height:1.08;
  letter-spacing:-.015em;
  color:var(--paper);
}
h1{font-size:clamp(34px,5.4vw,68px)}
h2{font-size:clamp(24px,3.4vw,40px)}
h3{font-size:clamp(18px,2.2vw,26px)}
h4{font-size:clamp(16px,1.7vw,19px);letter-spacing:0}
strong{color:var(--paper)}
abbr{text-decoration:none}

/* ---------- 骨架 ---------- */
.container{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--pad);
}

.section{
  position:relative;
  padding-block:clamp(40px,6vw,88px);
  border-top:1px solid var(--line);
}
.section:first-of-type{border-top:0}
.section--tight{padding-block:clamp(22px,3vw,40px)}
.section--paper{
  background:var(--cream);
  color:#10221A;
  border-top:1px solid rgba(11,31,23,.25);
}
.section--paper h1,
.section--paper h2,
.section--paper h3{color:var(--ink-deep)}
.section--paper .kicker{color:#0B6E52}
.section--paper .section__lead,
.section--paper .prose{color:#3C5348}
.section--paper .data-card{background:rgba(255,255,255,.55);border-color:rgba(11,31,23,.18)}
.section--paper .rule{background:rgba(11,31,23,.2)}

.section__head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:clamp(20px,3vw,34px);
}
.section__title{font-family:var(--font-head)}
.section__lead{
  margin-top:12px;
  max-width:66ch;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.75;
}
.kicker{
  display:inline-block;
  font-family:var(--font-num);
  font-size:11.5px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--cyan);
  margin-bottom:14px;
}
.prose{max-width:72ch;color:rgba(230,255,247,.82);font-size:15.5px}
.prose p+p{margin-top:14px}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(77,240,200,.45)}
.prose a:hover{border-bottom-color:var(--cyan)}
.rule{height:1px;background:var(--line);border:0;margin-block:clamp(20px,3vw,34px)}
.stack>*+*{margin-top:14px}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:18px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,1.55fr) minmax(0,1fr)}
.grid--rail{grid-template-columns:minmax(200px,260px) minmax(0,1fr)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid transparent;
  border-radius:0;
  font-family:var(--font-head);
  font-size:14.5px;
  letter-spacing:.05em;
  line-height:1.2;
  text-align:center;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--cyan);color:var(--ink-deep);border-color:var(--cyan)}
.btn--primary:hover{background:var(--cyan-soft);border-color:var(--cyan-soft)}
.btn--ghost{background:transparent;color:var(--paper);border-color:rgba(77,240,200,.45)}
.btn--ghost:hover{background:rgba(77,240,200,.1);color:var(--cyan);border-color:var(--cyan)}
.btn--sm{padding:7px 13px;font-size:13.5px;letter-spacing:.04em}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;
  top:-60px;
  left:10px;
  z-index:220;
  padding:10px 16px;
  background:var(--cyan);
  color:var(--ink-deep);
  font-family:var(--font-head);
  font-size:14px;
  letter-spacing:.05em;
  transition:top .18s ease;
}
.skip-link:focus{top:10px}

/* ---------- 命令栏头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:var(--ink-deep);
  border-bottom:1px solid var(--line);
}

.cmd-bar{
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--pad);
  min-height:var(--bar-h);
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  position:relative;
  width:22px;
  height:22px;
  flex:0 0 auto;
  background:var(--cyan);
}
.brand__mark::after{
  content:"";
  position:absolute;
  right:4px;
  bottom:4px;
  width:8px;
  height:8px;
  background:var(--ink-deep);
}
.brand__mark::before{
  content:"";
  position:absolute;
  left:4px;
  top:4px;
  width:10px;
  height:2px;
  background:var(--ink-deep);
}
.brand__stack{display:flex;flex-direction:column;line-height:1}
.brand__name{
  font-family:var(--font-head);
  font-weight:700;
  font-size:19px;
  letter-spacing:.02em;
  color:var(--paper);
}
.brand__meta{
  margin-top:4px;
  font-family:var(--font-num);
  font-size:10px;
  letter-spacing:.16em;
  color:var(--muted);
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:7px 11px;
  border:1px solid rgba(77,240,200,.35);
  color:var(--paper);
  font-family:var(--font-head);
  font-size:14px;
  letter-spacing:.06em;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__bars{position:relative;width:14px;height:10px;display:block}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  height:1px;
  background:currentColor;
  transition:transform .2s ease;
}
.nav-toggle__bars::before{top:1px}
.nav-toggle__bars::after{bottom:1px}
.site-header[data-open] .nav-toggle{border-color:var(--cyan);color:var(--cyan);background:rgba(77,240,200,.08)}
.site-header[data-open] .nav-toggle__bars::before{transform:translateY(4px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars::after{transform:translateY(-4px) rotate(-45deg)}

.nav-scroll{
  flex:1 1 auto;
  min-width:0;
  overflow-x:auto;
  overscroll-behavior-x:contain;
  scrollbar-width:thin;
  scrollbar-color:rgba(77,240,200,.35) transparent;
}
.nav-scroll::-webkit-scrollbar{height:3px}
.nav-scroll::-webkit-scrollbar-track{background:transparent}
.nav-scroll::-webkit-scrollbar-thumb{background:rgba(77,240,200,.32)}
.nav-list{display:flex;align-items:stretch;gap:2px;white-space:nowrap}
.nav-list__item{display:block}
.nav-list__link{
  display:inline-flex;
  align-items:center;
  height:var(--bar-h);
  padding:0 13px;
  font-family:var(--font-head);
  font-size:14.5px;
  letter-spacing:.06em;
  color:var(--muted);
  border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.nav-list__link:hover{
  color:var(--paper);
  border-bottom-color:rgba(77,240,200,.5);
  background:rgba(77,240,200,.05);
}
.nav-list__link[aria-current="page"]{
  color:var(--cyan);
  border-bottom-color:var(--cyan);
  background:rgba(77,240,200,.08);
}

.cmd-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
  margin-left:auto;
}
.login-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding-left:14px;
  border-left:1px solid var(--line-soft);
  font-size:12.5px;
  color:var(--muted);
  transition:color .2s ease;
}
.login-chip__dot{
  width:7px;
  height:7px;
  flex:0 0 auto;
  background:var(--amber);
  transition:background-color .2s ease;
}
.login-chip:hover{color:var(--cyan)}
.login-chip:hover .login-chip__dot{background:var(--cyan)}

/* ---------- 常看索引数据带 ---------- */
.data-band{
  display:flex;
  align-items:stretch;
  height:34px;
  background:var(--ink-deep);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.data-band__label{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  padding:0 14px;
  background:var(--cyan);
  color:var(--ink-deep);
  font-family:var(--font-head);
  font-size:12.5px;
  letter-spacing:.14em;
}
.data-band__viewport{position:relative;flex:1 1 auto;min-width:0;overflow:hidden}
.data-band__viewport::before,
.data-band__viewport::after{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  width:34px;
  z-index:2;
  pointer-events:none;
}
.data-band__viewport::before{left:0;background:linear-gradient(90deg,var(--ink-deep),rgba(6,17,13,0))}
.data-band__viewport::after{right:0;background:linear-gradient(270deg,var(--ink-deep),rgba(6,17,13,0))}
.data-band__track{
  display:flex;
  width:max-content;
  animation:band-scroll 46s linear infinite;
}
.data-band:hover .data-band__track,
.data-band:focus-within .data-band__track{animation-play-state:paused}
.data-band__group{display:flex;align-items:center}
.data-band__item{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 18px;
  border-right:1px solid var(--line-soft);
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--muted);
  white-space:nowrap;
}
.data-band__item b{
  margin-right:9px;
  color:var(--amber);
  font-weight:600;
}
@keyframes band-scroll{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}

/* ---------- 阅读进度 ---------- */
.scroll-progress{height:2px;background:rgba(143,163,155,.14)}
.scroll-progress__bar{
  display:block;
  height:2px;
  width:0;
  background:linear-gradient(90deg,var(--cyan),var(--amber));
  transition:width .12s linear;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);
  border-top:1px solid var(--line);
  padding-top:clamp(40px,5vw,64px);
  color:var(--muted);
}
.foot-grid{
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--pad);
  display:grid;
  grid-template-columns:minmax(240px,1.5fr) repeat(4,minmax(120px,1fr));
  gap:28px;
}
.foot-col{min-width:0}
.foot-col--brand{max-width:360px}
.brand--footer{margin-bottom:16px}
.foot-note{
  max-width:34ch;
  font-size:13.5px;
  line-height:1.75;
  color:var(--muted);
}
.foot-contact{display:flex;flex-direction:column;gap:8px;margin-top:16px;max-width:340px}
.copy-chip{
  display:flex;
  align-items:center;
  gap:10px;
  width:100%;
  padding:9px 11px;
  border:1px solid var(--line-soft);
  background:rgba(77,240,200,.03);
  text-align:left;
  transition:border-color .2s ease,background-color .2s ease;
}
.copy-chip__k{
  flex:0 0 auto;
  font-family:var(--font-head);
  font-size:11.5px;
  letter-spacing:.14em;
  color:var(--cyan);
}
.copy-chip__v{
  font-family:var(--font-num);
  font-size:12.5px;
  color:var(--paper);
  overflow-wrap:anywhere;
  transition:color .2s ease;
}
.copy-chip:hover{border-color:var(--cyan);background:rgba(77,240,200,.08)}
.copy-chip[data-copied="true"]{border-color:var(--amber);background:rgba(255,179,71,.12)}
.copy-chip[data-copied="true"] .copy-chip__k{color:var(--amber)}
.copy-chip[data-copied="true"] .copy-chip__v{color:var(--amber)}

.foot-col__title{
  padding-bottom:10px;
  margin-bottom:14px;
  border-bottom:1px solid var(--line);
  font-size:12.5px;
  letter-spacing:.16em;
  color:var(--paper);
}
.foot-list li+li{margin-top:9px}
.foot-list li{font-size:13.5px;line-height:1.65}
.foot-list a{
  color:var(--muted);
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.foot-list a:hover{color:var(--cyan);border-bottom-color:rgba(77,240,200,.5)}

.foot-bottom{
  max-width:var(--shell);
  margin:44px auto 0;
  padding:18px var(--pad) 30px;
  border-top:1px solid var(--line-soft);
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:12.5px;
  color:var(--muted);
}
.foot-copy{font-family:var(--font-num);letter-spacing:.06em}
.icp{font-family:var(--font-num);letter-spacing:.06em}

.toast{
  position:fixed;
  left:50%;
  bottom:26px;
  z-index:300;
  transform:translate(-50%,14px);
  padding:10px 18px;
  background:var(--cyan);
  color:var(--ink-deep);
  font-family:var(--font-head);
  font-size:13.5px;
  letter-spacing:.05em;
  opacity:0;
  pointer-events:none;
  transition:opacity .2s ease,transform .2s ease;
}
.toast[data-visible="true"]{opacity:1;transform:translate(-50%,0)}

/* ---------- 面包屑 ---------- */
.crumbs{
  padding-block:16px;
  font-family:var(--font-num);
  font-size:11.5px;
  letter-spacing:.12em;
  color:var(--muted);
}
.crumbs ol{display:flex;flex-wrap:wrap;gap:8px}
.crumbs li+li::before{content:"/";margin-right:8px;color:rgba(143,163,155,.5)}
.crumbs a:hover{color:var(--cyan)}
.crumbs [aria-current="page"]{color:var(--paper)}

/* ---------- 入口矩阵 ---------- */
.entry-matrix{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:1px;
  background:var(--line-soft);
  border:1px solid var(--line-soft);
}
.entry-matrix__item{
  display:flex;
  flex-direction:column;
  gap:10px;
  min-height:126px;
  padding:18px;
  background:var(--ink-deep);
  transition:background-color .2s ease;
}
.entry-matrix__item:hover{background:var(--turf)}
.entry-matrix__index{
  font-family:var(--font-num);
  font-size:11.5px;
  letter-spacing:.16em;
  color:var(--cyan);
}
.entry-matrix__name{
  font-family:var(--font-head);
  font-size:18px;
  letter-spacing:.02em;
  color:var(--paper);
}
.entry-matrix__desc{
  margin-top:auto;
  font-size:13.5px;
  line-height:1.6;
  color:var(--muted);
}

/* ---------- 数据卡与数值 ---------- */
.data-card{
  position:relative;
  padding:clamp(16px,2.4vw,24px);
  border:1px solid var(--line);
  background:var(--ink-deep);
}
.data-card::before{
  content:"";
  position:absolute;
  top:-1px;
  left:-1px;
  width:36px;
  height:2px;
  background:var(--cyan);
}
.data-card--amber::before{background:var(--amber)}
.data-card__head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding-bottom:12px;
  margin-bottom:14px;
  border-bottom:1px solid var(--line-soft);
}
.data-card__title{
  font-family:var(--font-head);
  font-size:15px;
  letter-spacing:.1em;
  color:var(--paper);
}
.data-card__tag{
  font-family:var(--font-num);
  font-size:11px;
  letter-spacing:.14em;
  padding:2px 7px;
  border:1px solid var(--line-soft);
  color:var(--muted);
}

.stat-row{display:flex;flex-wrap:wrap;gap:22px}
.stat{flex:1 1 130px;min-width:0}
.stat__value{
  font-family:var(--font-num);
  font-size:clamp(30px,4.6vw,52px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--amber);
}
.stat__value--cyan{color:var(--cyan)}
.stat__unit{
  margin-left:5px;
  font-size:.4em;
  letter-spacing:.06em;
  color:var(--muted);
}
.stat__label{
  margin-top:9px;
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--muted);
}

.meter{position:relative;height:7px;background:var(--turf);overflow:hidden}
.meter__fill{
  display:block;
  height:100%;
  width:0;
  background:var(--cyan);
  transition:width .24s ease;
}
.meter__fill--amber{background:var(--amber)}
.meter-row{display:flex;align-items:center;gap:12px}
.meter-row+.meter-row{margin-top:12px}
.meter-row__label{
  flex:0 0 auto;
  min-width:78px;
  font-family:var(--font-num);
  font-size:12px;
  color:var(--muted);
}
.meter-row .meter{flex:1 1 auto}
.meter-row__value{
  flex:0 0 auto;
  min-width:54px;
  text-align:right;
  font-family:var(--font-num);
  font-size:14px;
  color:var(--amber);
}

.data-table{width:100%;border-collapse:collapse;font-size:14px}
.data-table caption{
  text-align:left;
  padding-bottom:10px;
  color:var(--muted);
  font-size:12.5px;
  letter-spacing:.1em;
}
.data-table th{
  padding:10px 12px;
  border-bottom:1px solid var(--line);
  font-family:var(--font-head);
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--muted);
  text-align:left;
}
.data-table td{
  padding:11px 12px;
  border-bottom:1px solid var(--line-soft);
  color:rgba(230,255,247,.88);
}
.data-table tbody tr:nth-child(even){background:var(--turf)}
.data-table .num{
  font-family:var(--font-num);
  color:var(--amber);
  text-align:right;
}

.tag{
  display:inline-block;
  padding:3px 8px;
  border:1px solid var(--line);
  font-family:var(--font-num);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--cyan);
}
.tag--amber{color:var(--amber);border-color:rgba(255,179,71,.45)}

/* ---------- 常看入口纵向索引 ---------- */
.index-list{
  display:flex;
  flex-direction:column;
  border-top:1px solid var(--line-soft);
}
.index-list__item a{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:13px 4px;
  border-bottom:1px solid var(--line-soft);
  font-family:var(--font-head);
  font-size:16px;
  letter-spacing:.03em;
  color:var(--paper);
  transition:padding-left .2s ease,color .2s ease,background-color .2s ease;
}
.index-list__num{
  font-family:var(--font-num);
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--cyan);
}
.index-list__item a:hover{
  padding-left:12px;
  color:var(--cyan);
  background:rgba(77,240,200,.05);
}

/* ---------- 时间轴 ---------- */
.timeline{
  position:relative;
  padding-left:24px;
  border-left:1px solid var(--line);
}
.timeline__item{position:relative;padding-bottom:26px}
.timeline__item:last-child{padding-bottom:0}
.timeline__item::before{
  content:"";
  position:absolute;
  left:-28px;
  top:7px;
  width:7px;
  height:7px;
  background:var(--cyan);
}
.timeline__item--amber::before{background:var(--amber)}
.timeline__meta{
  font-family:var(--font-num);
  font-size:11.5px;
  letter-spacing:.14em;
  color:var(--muted);
}
.timeline__title{
  margin-top:6px;
  font-family:var(--font-head);
  font-size:17px;
  color:var(--paper);
}
.timeline__text{
  margin-top:6px;
  font-size:14.5px;
  color:rgba(230,255,247,.78);
}

/* ---------- 问答折叠 ---------- */
.qa{border-top:1px solid var(--line-soft)}
.qa__item{border-bottom:1px solid var(--line-soft)}
.qa__q{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:16px 4px;
  list-style:none;
  cursor:pointer;
  font-family:var(--font-head);
  font-size:16.5px;
  letter-spacing:.02em;
  color:var(--paper);
  transition:color .2s ease;
}
.qa__q::-webkit-details-marker{display:none}
.qa__q::after{content:"＋";font-family:var(--font-num);color:var(--cyan)}
.qa__item[open] .qa__q::after{content:"－"}
.qa__q:hover{color:var(--cyan)}
.qa__a{
  max-width:74ch;
  padding:0 4px 18px;
  font-size:15px;
  color:rgba(230,255,247,.78);
}

/* ---------- 图片容器（页面阶段放置图片） ---------- */
.media{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16/9;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--turf);
}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:4/5}
.media__img,
.media img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.media__overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,17,13,0) 38%,rgba(6,17,13,.88));
  pointer-events:none;
}
.media__grid{
  position:absolute;
  inset:0;
  opacity:.5;
  pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(77,240,200,.16) 0 1px,transparent 1px 12.5%);
}
.media__bar{
  position:absolute;
  left:0;
  right:0;
  bottom:14px;
  height:4px;
  background:rgba(6,17,13,.72);
}
.media__bar span{display:block;height:100%;background:var(--amber)}
.media__caption{
  position:absolute;
  left:14px;
  right:14px;
  bottom:26px;
  z-index:2;
  font-family:var(--font-num);
  font-size:11.5px;
  letter-spacing:.12em;
  color:var(--paper);
}

/* ---------- 显现（由 JS 开启，避免无脚本时内容不可见） ---------- */
.reveal-ready [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .32s ease,transform .32s ease;
}
.reveal-ready [data-reveal][data-revealed="true"]{
  opacity:1;
  transform:none;
}

/* ---------- 平板 ---------- */
@media (max-width:1080px){
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .foot-col--brand{grid-column:1 / -1;max-width:none}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ---------- 手机 / 紧凑命令栏 ---------- */
@media (max-width:900px){
  html{scroll-padding-top:96px}
  .cmd-bar{gap:10px;padding-block:10px;min-height:0}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .cmd-actions{order:3;margin-left:0;gap:10px}
  .login-chip{display:none}
  .nav-scroll{
    order:4;
    flex:1 0 100%;
    display:none;
    margin-top:10px;
    padding-top:6px;
    border-top:1px solid var(--line);
    overflow:visible;
  }
  .site-header[data-open] .nav-scroll{display:block}
  .nav-list{flex-direction:column;white-space:normal}
  .nav-list__link{
    width:100%;
    height:auto;
    padding:12px 4px;
    border-bottom:1px solid var(--line-soft);
    font-size:16px;
  }
  .nav-list__item:last-child .nav-list__link{border-bottom:0}
  .nav-list__link[aria-current="page"]{padding-left:10px;border-bottom-color:var(--cyan)}
  .data-band__item:nth-child(n+7){display:none}
  .grid--2,.grid--3,.grid--4,.grid--split,.grid--rail{grid-template-columns:minmax(0,1fr)}
  .section__head{align-items:flex-start}
}

@media (max-width:560px){
  .foot-grid{grid-template-columns:minmax(0,1fr)}
  .brand__meta{display:none}
  .data-band__label{display:none}
  .stat-row{gap:16px}
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .data-band__track{animation:none;transform:none}
  .data-band__viewport{overflow-x:auto}
  .reveal-ready [data-reveal]{opacity:1;transform:none}
  .scroll-progress__bar{transition:none}
}