/* ==========================================================================
   金年会体育 · stadium-jnh.com.cn
   共享样式 /assets/site.css
   主题：夜间赛场数据指挥中心 + 非对称编辑部版式
   ========================================================================== */

/* ---------- 01 变量 ---------- */
:root{
  --c-ink:#0A1030;
  --c-panel:#131C4A;
  --c-deep:#05081B;
  --c-cyan:#25E1D4;
  --c-cyan-dim:#0C8C86;
  --c-orange:#FF7A2F;
  --c-amber:#FFC44D;
  --c-paper:#F3F6FF;
  --c-rock:#8C95AE;
  --c-moss:#6FA98B;
  --c-clay:#C96B4C;
  --c-bone:#EFE7DA;

  --line:rgba(140,149,174,.26);
  --line-soft:rgba(140,149,174,.14);
  --line-strong:rgba(37,225,212,.48);

  --ff-display:"Oswald","Barlow Condensed","Arial Narrow","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --ff-body:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --ff-mono:ui-monospace,"IBM Plex Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;

  --maxw:1480px;
  --rail:96px;
  --gutter:clamp(16px,3vw,44px);
  --gap:clamp(14px,2vw,26px);
  --section:clamp(44px,6vw,88px);
  --r:2px;
  --t-fast:140ms ease;
  --t-slow:200ms cubic-bezier(.2,.72,.32,1);
}

/* ---------- 02 Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0}
table{border-collapse:collapse;width:100%}
[hidden]{display:none !important}
main{display:block}

/* ---------- 03 基础排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--c-ink);
  background-image:
    radial-gradient(1100px 620px at 86% -8%,rgba(37,225,212,.13),transparent 62%),
    radial-gradient(860px 520px at 2% 3%,rgba(255,122,47,.09),transparent 60%),
    linear-gradient(180deg,rgba(5,8,27,0) 68%,rgba(5,8,27,.6) 100%);
  background-repeat:no-repeat;
  color:var(--c-paper);
  font-family:var(--ff-body);
  font-size:clamp(16px,0.3vw + 15px,18px);
  font-weight:400;
  line-height:1.75;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{
  font-family:var(--ff-display);
  font-weight:700;
  line-height:1.12;
  letter-spacing:-.01em;
  color:var(--c-paper);
}
h1{font-size:clamp(34px,5.4vw,74px)}
h2{font-size:clamp(26px,3.4vw,44px)}
h3{font-size:clamp(20px,2.1vw,28px)}
h4{font-size:clamp(17px,1.6vw,21px)}

a{color:var(--c-cyan);text-decoration:none;transition:color var(--t-fast),border-color var(--t-fast),background-color var(--t-fast)}
a:hover{color:var(--c-paper)}
strong{font-weight:600;color:var(--c-paper)}
::selection{background:var(--c-cyan);color:var(--c-deep)}

:focus-visible{outline:2px solid var(--c-cyan);outline-offset:3px;border-radius:var(--r)}

/* ---------- 04 跳转链接 ---------- */
.skip-link{
  position:fixed;top:0;left:0;z-index:200;
  transform:translateY(-130%);
  padding:12px 18px;
  background:var(--c-cyan);
  color:var(--c-deep);
  font-family:var(--ff-mono);
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  border-bottom-right-radius:var(--r);
  transition:transform var(--t-fast);
}
.skip-link:focus{transform:translateY(0);color:var(--c-deep)}

/* ---------- 05 命令栏（页头） ---------- */
.cmdbar{
  position:sticky;top:0;z-index:80;
  background:rgba(5,8,27,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.cmdbar__inner{
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
  min-height:66px;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:clamp(10px,1.6vw,26px);
}
.cmdbar__brand{grid-column:1;display:flex;align-items:center;gap:10px;min-width:0}
.brandmark{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--c-paper);
  border-bottom:1px solid transparent;
}
.brandmark:hover{color:var(--c-paper);border-bottom-color:var(--line-strong)}
.brandmark__glyph{
  flex:0 0 auto;
  width:16px;height:22px;
  transform:skewX(-12deg);
  background:linear-gradient(90deg,var(--c-cyan) 0 32%,rgba(37,225,212,0) 32% 68%,var(--c-orange) 68% 100%);
}
.brandmark__name{
  font-family:var(--ff-display);
  font-weight:700;
  font-size:20px;
  letter-spacing:.01em;
  white-space:nowrap;
}
.cmdbar__ver{
  font-family:var(--ff-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--c-rock);
  border:1px solid var(--line);
  padding:2px 6px;
  border-radius:var(--r);
  white-space:nowrap;
}
.cmdbar__actions{grid-column:3;display:flex;align-items:center;justify-content:flex-end}
.cmdbar__panel{
  display:inline-flex;align-items:center;
  padding:8px 14px;
  border:1px solid var(--c-orange);
  border-radius:var(--r);
  color:var(--c-orange);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:background-color var(--t-fast),color var(--t-fast);
}
.cmdbar__panel:hover{background:var(--c-orange);color:var(--c-deep)}

.cmdbar__progress{
  position:absolute;left:0;bottom:-1px;
  width:100%;height:2px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--c-cyan) 0%,var(--c-amber) 58%,var(--c-orange) 100%);
  transition:transform 120ms linear;
}

/* 主导航 */
.primarynav{grid-column:2;min-width:0}
.primarynav__list{
  display:flex;align-items:center;justify-content:center;
  gap:2px;
  margin:0;padding:0;
  list-style:none;
}
.primarynav__item{min-width:0}
.primarynav__link{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:8px 11px;
  border:1px solid transparent;
  border-radius:var(--r);
  color:rgba(243,246,255,.74);
  font-size:15px;
  line-height:1.25;
  white-space:nowrap;
  transition:color var(--t-fast),background-color var(--t-fast),border-color var(--t-fast);
}
.primarynav__no{
  font-family:var(--ff-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--c-rock);
  transition:color var(--t-fast);
}
.primarynav__link:hover{
  color:var(--c-paper);
  background:rgba(37,225,212,.08);
  border-color:rgba(37,225,212,.3);
}
.primarynav__link:hover .primarynav__no{color:var(--c-cyan)}
.primarynav__link[aria-current="page"]{
  color:var(--c-paper);
  background:rgba(37,225,212,.13);
  border-color:var(--c-cyan);
}
.primarynav__link[aria-current="page"] .primarynav__no{color:var(--c-cyan)}

/* 移动菜单按钮 */
.navtoggle{
  grid-column:3;
  display:none;
  align-items:center;gap:9px;
  padding:9px 12px;
  border:1px solid var(--line-strong);
  border-radius:var(--r);
  color:var(--c-paper);
  font-family:var(--ff-mono);
  font-size:12px;
  letter-spacing:.08em;
  cursor:pointer;
  transition:border-color var(--t-fast),color var(--t-fast);
}
.navtoggle:hover{border-color:var(--c-cyan);color:var(--c-cyan)}
.navtoggle[aria-expanded="true"]{border-color:var(--c-cyan);color:var(--c-cyan)}
.navtoggle__bar{
  display:block;
  width:15px;height:1.5px;
  background:currentColor;
  box-shadow:0 5px 0 currentColor;
}
.navtoggle__label{line-height:1}

/* ---------- 06 页脚 ---------- */
.fieldnote{
  position:relative;
  margin-top:clamp(52px,8vw,120px);
  background:var(--c-deep);
  border-top:1px solid var(--line);
  color:var(--c-rock);
}
.fieldnote::before{
  content:"";
  position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(37,225,212,0),var(--c-cyan) 30%,var(--c-orange) 72%,rgba(255,122,47,0));
  opacity:.7;
}
.fieldnote__inner{
  max-width:var(--maxw);
  margin-inline:auto;
  padding:clamp(36px,5vw,68px) var(--gutter) clamp(30px,4vw,52px);
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.35fr;
  gap:clamp(24px,3vw,52px);
}
.fieldnote__col{min-width:0}
.fieldnote__brand{
  font-family:var(--ff-display);
  font-weight:700;
  font-size:23px;
  line-height:1.2;
  color:var(--c-paper);
  letter-spacing:.01em;
}
.fieldnote__lede{
  margin-top:12px;
  max-width:34em;
  font-size:15px;
  line-height:1.85;
  color:rgba(243,246,255,.72);
}
.fieldnote__meta{
  margin-top:16px;
  font-family:var(--ff-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--c-rock);
}
.livedot{
  display:inline-block;
  width:7px;height:7px;
  margin-right:8px;
  vertical-align:middle;
  border-radius:50%;
  background:var(--c-cyan);
  box-shadow:0 0 0 3px rgba(37,225,212,.16);
  animation:jnh-pulse 2.6s ease-in-out infinite;
}
@keyframes jnh-pulse{0%,100%{opacity:1}50%{opacity:.3}}

.fieldnote__title{
  margin-bottom:14px;
  font-family:var(--ff-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--c-cyan);
}
.fieldnote__list{display:grid;gap:9px;font-size:15px}
.fieldnote__list a{
  color:rgba(243,246,255,.78);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
}
.fieldnote__list a:hover{color:var(--c-cyan);border-bottom-color:rgba(37,225,212,.6)}

.fieldnote__reg{display:grid;gap:12px;font-family:var(--ff-mono);font-size:13px;line-height:1.55}
.fieldnote__reg li{display:grid;grid-template-columns:62px minmax(0,1fr);gap:10px}
.fieldnote__k{font-size:12px;letter-spacing:.06em;color:var(--c-rock)}
.fieldnote__v{color:rgba(243,246,255,.86);word-break:break-word}

.fieldnote__base{
  max-width:var(--maxw);
  margin-inline:auto;
  padding:18px var(--gutter);
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:8px 28px;justify-content:space-between;
  font-family:var(--ff-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--c-rock);
}

/* ---------- 07 容器与索引栏 ---------- */
.shell{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.layout{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
  display:grid;
  grid-template-columns:var(--rail) minmax(0,1fr);
  gap:clamp(20px,3vw,52px);
  align-items:start;
}
.layout__main{min-width:0}
.rail{
  position:sticky;
  top:104px;
  align-self:start;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.rail__label{
  font-family:var(--ff-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--c-rock);
}
.rail__list{display:flex;flex-direction:column;gap:2px}
.rail__link{
  display:block;
  padding:8px 0 8px 12px;
  border-left:1px solid var(--line);
  color:var(--c-rock);
  font-family:var(--ff-mono);
  font-size:12px;
  line-height:1.4;
  letter-spacing:.04em;
  transition:color var(--t-fast),border-color var(--t-fast);
}
.rail__link:hover{color:var(--c-paper);border-left-color:var(--c-cyan)}
.rail__link[aria-current="true"]{color:var(--c-cyan);border-left-color:var(--c-cyan)}

/* ---------- 08 标题与索引元素 ---------- */
.eyebrow{
  display:inline-block;
  font-family:var(--ff-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--c-cyan);
}
.section-head{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:clamp(12px,2vw,20px);
  align-items:baseline;
  padding-bottom:14px;
  margin-bottom:clamp(20px,3vw,34px);
  border-bottom:1px solid var(--line);
}
.section-head__no{
  font-family:var(--ff-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--c-orange);
}
.section-head__title{
  margin:0;
  font-family:var(--ff-display);
  font-weight:700;
  font-size:clamp(24px,3.4vw,42px);
  line-height:1.1;
}
.divider{height:1px;border:0;background:var(--line);margin:clamp(26px,4vw,56px) 0}

/* ---------- 09 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;
  border:1px solid var(--line-strong);
  border-radius:var(--r);
  background:transparent;
  color:var(--c-paper);
  font-size:15px;
  font-weight:600;
  line-height:1.3;
  cursor:pointer;
  transition:background-color var(--t-fast),color var(--t-fast),border-color var(--t-fast);
}
.btn:hover{color:var(--c-cyan);border-color:var(--c-cyan);background:rgba(37,225,212,.08)}
.btn--primary{background:var(--c-cyan);border-color:var(--c-cyan);color:var(--c-deep)}
.btn--primary:hover{background:var(--c-cyan-dim);border-color:var(--c-cyan-dim);color:var(--c-paper)}
.btn--ghost{border-color:var(--line);color:var(--c-rock)}
.btn--ghost:hover{color:var(--c-orange);border-color:var(--c-orange);background:rgba(255,122,47,.08)}

/* ---------- 10 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;
  border:1px solid rgba(255,196,77,.5);
  border-radius:var(--r);
  background:rgba(255,196,77,.09);
  color:var(--c-amber);
  font-family:var(--ff-mono);
  font-size:11px;
  letter-spacing:.08em;
  text-transform:uppercase;
  line-height:1.6;
}
.tag--cyan{border-color:rgba(37,225,212,.5);background:rgba(37,225,212,.1);color:var(--c-cyan)}
.tag--moss{border-color:rgba(111,169,139,.5);background:rgba(111,169,139,.1);color:var(--c-moss)}
.tag--clay{border-color:rgba(201,107,76,.55);background:rgba(201,107,76,.12);color:var(--c-clay)}

/* ---------- 11 数字锚点 ---------- */
.stat{display:flex;flex-direction:column;gap:6px;min-width:0}
.stat__num{
  font-family:var(--ff-mono);
  font-weight:600;
  font-size:clamp(40px,6vw,104px);
  line-height:.95;
  letter-spacing:-.03em;
  color:var(--c-orange);
  font-variant-numeric:tabular-nums;
}
.stat__label{
  font-family:var(--ff-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--c-rock);
}
.stat--cyan .stat__num{color:var(--c-cyan)}
.stat--up .stat__num{color:var(--c-moss)}

/* ---------- 12 卡片与纸卡 ---------- */
.card{
  position:relative;
  padding:clamp(18px,2.4vw,30px);
  border:1px solid var(--line);
  border-radius:var(--r);
  background:var(--c-panel);
  transition:transform var(--t-slow),border-color var(--t-slow),background-color var(--t-slow);
}
.card:hover{transform:translateY(-2px);border-color:var(--line-strong);background:#16204f}
.card__title{
  margin:0 0 10px;
  font-family:var(--ff-display);
  font-weight:700;
  font-size:clamp(19px,1.9vw,25px);
  line-height:1.2;
  color:var(--c-paper);
}
.card__body{font-size:16px;line-height:1.8;color:rgba(243,246,255,.82)}
.paper{
  padding:clamp(18px,2.4vw,28px);
  background:var(--c-bone);
  color:#1a1b26;
  border:1px solid rgba(5,8,27,.35);
  box-shadow:6px 6px 0 rgba(5,8,27,.55);
}
.paper .card__title,.paper h3{color:#12131c}
.paper a{color:#0C5250;border-bottom:1px solid rgba(12,82,80,.45)}
.paper a:hover{color:#7A2F12}

/* ---------- 13 面包屑与正文 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--ff-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--c-rock);
}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li::after{content:"/";color:var(--line);}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--c-rock)}
.crumbs a:hover{color:var(--c-cyan)}

.prose{max-width:72ch;font-size:17px;line-height:1.85;color:rgba(243,246,255,.86)}
.prose > * + *{margin-top:1.1em}
.prose h2,.prose h3{margin-top:1.8em;margin-bottom:.5em}
.prose ul,.prose ol{padding-left:1.2em;list-style:disc}
.prose ol{list-style:decimal}
.prose li + li{margin-top:.4em}
.prose a{color:var(--c-cyan);border-bottom:1px solid rgba(37,225,212,.42)}
.prose a:hover{color:var(--c-paper);border-bottom-color:var(--c-paper)}
.prose blockquote{
  padding:14px 18px;
  border-left:2px solid var(--c-cyan);
  background:rgba(19,28,74,.7);
  color:rgba(243,246,255,.9);
}
.prose code{
  font-family:var(--ff-mono);
  font-size:.92em;
  padding:2px 6px;
  border:1px solid var(--line);
  border-radius:var(--r);
  color:var(--c-amber);
}

/* ---------- 14 图片容器 ---------- */
.figure{
  position:relative;
  margin:0;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r);
  background:linear-gradient(165deg,#0d1544 0%,#05081B 100%);
}
.figure__media,.figure img{
  position:relative;z-index:1;
  display:block;width:100%;height:100%;
  object-fit:cover;
}
.figure::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background-image:
    radial-gradient(circle at 28% 22%,rgba(37,225,212,.2),transparent 46%),
    radial-gradient(circle at 78% 72%,rgba(255,122,47,.18),transparent 52%);
}
.figure__cap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:10px 14px;
  font-family:var(--ff-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--c-paper);
  background:linear-gradient(180deg,rgba(5,8,27,0),rgba(5,8,27,.92));
}
.figure--16x9{aspect-ratio:16/9}
.figure--4x5{aspect-ratio:4/5}
.figure--banner{aspect-ratio:21/9}
.figure--square{aspect-ratio:1/1}

/* ---------- 15 网格 ---------- */
.grid{display:grid;gap:var(--gap)}
.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))}

/* ---------- 16 标签页 ---------- */
.tabbar{
  display:flex;flex-wrap:wrap;gap:6px;
  padding-bottom:10px;
  margin-bottom:20px;
  border-bottom:1px solid var(--line);
}
.tab{
  padding:7px 14px;
  border:1px solid transparent;
  border-radius:var(--r);
  color:var(--c-rock);
  font-family:var(--ff-mono);
  font-size:13px;
  letter-spacing:.06em;
  cursor:pointer;
  transition:color var(--t-fast),background-color var(--t-fast),border-color var(--t-fast);
}
.tab:hover{color:var(--c-paper);border-color:var(--line-strong)}
.tab[aria-selected="true"]{background:var(--c-cyan);border-color:var(--c-cyan);color:var(--c-deep)}
.tabpanel{outline:none}

/* ---------- 17 数据表 ---------- */
.scoretable{font-size:15px}
.scoretable th{
  padding:10px 12px;
  border-bottom:1px solid var(--line);
  font-family:var(--ff-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--c-rock);
  text-align:left;
}
.scoretable td{
  padding:12px;
  border-bottom:1px solid var(--line-soft);
  color:rgba(243,246,255,.88);
}
.scoretable__num{
  font-family:var(--ff-mono);
  text-align:right;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.scoretable tbody tr{transition:background-color var(--t-fast)}
.scoretable tbody tr:hover{background:rgba(37,225,212,.06)}
.scoretable .is-up{color:var(--c-moss)}
.scoretable .is-down{color:var(--c-orange)}

/* ---------- 18 响应式 ---------- */
@media (max-width:1180px){
  .primarynav__link{padding:8px 8px;font-size:14px}
  .cmdbar__ver{display:none}
}

@media (max-width:1080px){
  .cmdbar__inner{
    grid-template-columns:minmax(0,1fr) auto auto;
    gap:10px;
    padding-block:0;
  }
  .cmdbar__brand{grid-column:1;grid-row:1}
  .cmdbar__actions{grid-column:2;grid-row:1;justify-content:flex-end}
  .navtoggle{display:inline-flex;grid-column:3;grid-row:1}
  .primarynav{
    grid-column:1 / -1;
    grid-row:2;
    max-height:0;
    overflow:hidden;
    visibility:hidden;
    opacity:0;
    transition:max-height var(--t-slow),opacity var(--t-slow),visibility var(--t-slow);
  }
  .primarynav[data-open]{
    max-height:520px;
    visibility:visible;
    opacity:1;
    padding:10px 0 16px;
    margin-top:6px;
    border-top:1px solid var(--line);
  }
  .primarynav__list{flex-direction:column;align-items:stretch;gap:2px}
  .primarynav__link{
    display:flex;
    padding:12px 10px;
    font-size:16px;
    border-bottom:1px solid var(--line-soft);
    border-radius:0;
  }
  .primarynav__link[aria-current="page"]{border-radius:var(--r);border-color:var(--c-cyan)}

  .layout{grid-template-columns:minmax(0,1fr)}
  .rail{
    position:static;
    flex-direction:row;
    align-items:center;
    gap:10px;
    padding-bottom:10px;
    margin-bottom:8px;
    border-bottom:1px solid var(--line);
    overflow-x:auto;
  }
  .rail__label{display:none}
  .rail__list{flex-direction:row;gap:8px;flex-wrap:nowrap}
  .rail__link{
    padding:6px 12px;
    border:1px solid var(--line);
    border-radius:var(--r);
    white-space:nowrap;
  }
  .rail__link[aria-current="true"]{border-color:var(--c-cyan);background:rgba(37,225,212,.1)}

  .fieldnote__inner{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:760px){
  .grid--2{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:620px){
  .fieldnote__inner{grid-template-columns:minmax(0,1fr)}
  .grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .section-head{grid-template-columns:minmax(0,1fr);gap:6px}
  .figure--banner{aspect-ratio:16/9}
}

@media (max-width:520px){
  .cmdbar__actions{display:none}
  .cmdbar__inner{grid-template-columns:minmax(0,1fr) auto}
  .navtoggle{grid-column:2}
}

/* ---------- 19 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;
  }
  .livedot{animation:none;opacity:1}
  .card:hover{transform:none}
}