/* ============================================================
   亿兆体育赛事 · 共享站点样式 /assets/site.css
   基调：徽派灰白纸底 + 墨绿数据底色 + 荧光黄绿/橙红赛场脉冲
   ============================================================ */

:root{
  --ink-green:#0E3B2E;
  --ink-deep:#061F19;
  --paper:#F4F5F0;
  --hui:#DFE2DA;
  --stone:#8A968F;
  --lime:#C8F94B;
  --flame:#FF5B2E;
  --teal:#2FBFA6;
  --line:#12201C;
  --sand:#F2E2C4;

  --font-display:"Oswald","Barlow Condensed","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,"Noto Sans SC","PingFang SC",monospace;

  --shell:1440px;
  --gutter:64px;
  --header-h:86px;
  --header-h-sm:64px;
  --notch:22px;
  --notch-sm:12px;
  --dur:.24s;
  --ease:cubic-bezier(.22,.61,.36,1);
}

@media (max-width:1024px){ :root{ --gutter:40px; } }
@media (max-width:640px){ :root{ --gutter:20px; --header-h:72px; } }

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--line);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,address{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,picture,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
table{border-collapse:collapse}
address{font-style:normal}

:focus-visible{outline:3px solid var(--flame);outline-offset:2px}
.site-header :focus-visible,
.site-footer :focus-visible,
.on-dark :focus-visible{outline-color:var(--lime)}

/* ---------- 中文排版与工具类 ---------- */
.display,
.section-title,
.stat-value-value{font-family:var(--font-display)}
.section-title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(28px,3.6vw,52px);
  line-height:.98;
  letter-spacing:-.02em;
}
.section-lede{
  max-width:62ch;
  margin-top:16px;
  font-size:17px;
  color:#3E4B45;
}
.on-dark{color:var(--paper)}
.on-dark .section-lede{color:rgba(244,245,240,.76)}
.on-dark .section-title{color:var(--paper)}
.on-dark .section-index,
.on-dark .anno{color:rgba(244,245,240,.58)}

.anno{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--stone);
  font-variant-numeric:tabular-nums;
}
.section-head{position:relative;padding-left:40px}
.section-index{
  position:absolute;
  left:0;
  top:.2em;
  writing-mode:vertical-rl;
  transform:rotate(180deg);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.26em;
  color:var(--stone);
}
.num,
.stat-value,
.copy-btn,
.round-chip,
.timeline-round{
  font-variant-numeric:tabular-nums;
}

/* ---------- 布局 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding:clamp(56px,7vw,110px) 0}
.section--band{background:var(--hui)}
.section--deep{background:var(--ink-green);color:var(--paper)}
.section--deep-ink{background:var(--ink-deep);color:var(--paper)}
.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--rail{grid-template-columns:220px minmax(0,1fr);gap:clamp(24px,3vw,44px)}

.prose{max-width:76ch}
.prose--narrow{max-width:760px;margin-inline:auto}
.prose p+p{margin-top:1.2em}
.prose h2{margin:2.2em 0 .6em;font-family:var(--font-display);font-size:clamp(22px,2.4vw,30px);line-height:1.15;letter-spacing:-.01em}
.prose h3{margin:1.6em 0 .4em;font-size:19px;font-weight:600}
.prose ul{margin:1em 0;padding-left:1.1em;list-style:disc}
.prose li+li{margin-top:.4em}
.prose strong{font-weight:700;color:var(--ink-green)}
.on-dark .prose strong{color:var(--lime)}

.rule-band{
  height:6px;
  background:linear-gradient(90deg,var(--lime) 0 22%,var(--teal) 22% 46%,var(--ink-green) 46% 74%,var(--flame) 74% 100%);
}

.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.6em;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--stone);
}
.breadcrumbs a{border-bottom:1px solid rgba(138,150,143,.5);padding-bottom:2px}
.breadcrumbs a:hover{color:var(--ink-green);border-color:var(--ink-green)}
.crumb-sep{opacity:.6}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  padding:13px 22px;
  font-family:var(--font-body);
  font-size:15px;
  font-weight:600;
  letter-spacing:.04em;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  clip-path:polygon(0 0,100% 0,100% calc(100% - var(--notch-sm)),calc(100% - var(--notch-sm)) 100%,0 100%);
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--lime);color:var(--ink-deep)}
.btn-primary:hover{background:var(--flame);color:#fff}
.btn-ghost{background:transparent;color:var(--paper);border-color:rgba(244,245,240,.42)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn-outline{background:transparent;color:var(--ink-green);border-color:var(--ink-green)}
.btn-outline:hover{background:var(--ink-green);color:var(--lime)}

.backlink{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:rgba(244,245,240,.72);
  transition:color var(--dur) var(--ease);
}
.backlink span{transition:transform var(--dur) var(--ease)}
.backlink:hover{color:var(--lime)}
.backlink:hover span{transform:translateX(4px)}

.copy-btn{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  padding:4px 10px;
  border:1px solid rgba(200,249,75,.5);
  color:var(--lime);
  cursor:pointer;
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.copy-btn:hover,
.copy-btn[data-copied="true"]{background:var(--lime);color:var(--ink-deep)}

/* ---------- 标签 / 统计 / 面板 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:.45em;
  padding:4px 10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
}
.tag--home{background:var(--lime);color:var(--ink-deep)}
.tag--away{background:var(--flame);color:#fff}
.tag--neutral{background:var(--hui);color:var(--ink-green)}
.tag--data{background:var(--teal);color:var(--ink-deep)}

.stat{display:flex;flex-direction:column;gap:6px}
.stat-value{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(30px,4vw,48px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--ink-green);
}
.on-dark .stat-value{color:var(--lime)}
.stat-label{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--stone)}
.on-dark .stat-label{color:rgba(244,245,240,.6)}

.panel{position:relative;background:#fff;padding:clamp(20px,2.4vw,32px)}
.panel--tint{background:var(--hui)}
.panel--deep{background:var(--ink-green);color:var(--paper)}
.panel--slant{clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%)}
.panel--stack{box-shadow:14px -14px 0 0 var(--hui)}
.panel--stack-lime{box-shadow:14px -14px 0 0 var(--lime)}

.trust-line{
  border-left:3px solid var(--lime);
  padding:10px 0 10px 18px;
  font-size:15px;
  color:#3E4B45;
}
.on-dark .trust-line{color:rgba(244,245,240,.78)}

/* ---------- 主题筛选 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.filter-chip{
  padding:8px 16px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.1em;
  color:var(--line);
  background:transparent;
  border:1px solid rgba(18,32,28,.22);
  cursor:pointer;
  clip-path:polygon(0 0,100% 0,100% 66%,66% 100%,0 100%);
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.filter-chip:hover{border-color:var(--ink-green)}
.filter-chip[aria-pressed="true"]{background:var(--ink-green);color:var(--lime);border-color:var(--ink-green)}
.on-dark .filter-chip{color:var(--paper);border-color:rgba(244,245,240,.3)}
.on-dark .filter-chip[aria-pressed="true"]{background:var(--lime);color:var(--ink-deep);border-color:var(--lime)}

/* ---------- 时间轴基础件 ---------- */
.timeline{display:flex;flex-direction:column;gap:2px;padding-left:14px;border-left:2px solid rgba(200,249,75,.32)}
.timeline-item{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:9px 10px;
  cursor:pointer;
  color:rgba(244,245,240,.66);
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.timeline-item:hover{background:rgba(200,249,75,.08);color:var(--paper)}
.timeline-item[aria-current="true"]{background:rgba(200,249,75,.14);color:var(--lime)}
.timeline-round{font-family:var(--font-mono);font-size:13px;letter-spacing:.06em}
.timeline-meta{font-size:13px}

/* ---------- 图片容器 ---------- */
.media{position:relative;overflow:hidden;background:var(--ink-deep)}
.media img,.media picture{display:block;width:100%;height:100%;object-fit:cover}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,31,25,0) 46%,rgba(6,31,25,.58));
  pointer-events:none;
}
.media-frame{aspect-ratio:16/9}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--portrait{aspect-ratio:4/5}
.media-caption{margin-top:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--stone)}

/* ---------- 数据表 ---------- */
.table-data{width:100%;font-size:15px}
.table-data th,
.table-data td{padding:12px 14px;text-align:left;border-bottom:1px solid rgba(18,32,28,.12)}
.table-data thead th{
  font-family:var(--font-display);
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  background:var(--hui);
}
.table-data tbody tr:nth-child(even){background:rgba(223,226,218,.42)}
.table-data .num{font-family:var(--font-mono);text-align:right}

/* ---------- 动效基础件 ---------- */
@keyframes pulseBar{
  0%,100%{opacity:1;transform:scaleX(1)}
  50%{opacity:.62;transform:scaleX(.96)}
}
.pulse-bar{
  height:10px;
  transform-origin:left center;
  animation:pulseBar 1.6s ease-in-out infinite;
}
.reveal{
  opacity:0;
  transform:translate3d(0,24px,0);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.reveal.is-visible{opacity:1;transform:none}

/* ============================================================
   头部
   ============================================================ */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:60;
  color:var(--paper);
  background-image:linear-gradient(180deg,rgba(6,31,25,.92) 0%,rgba(6,31,25,.62) 52%,rgba(6,31,25,0) 100%);
  background-color:transparent;
  transition:background-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.site-header.is-scrolled{
  background:var(--ink-green);
  box-shadow:0 1px 0 rgba(200,249,75,.4),0 18px 40px -30px rgba(6,31,25,.9);
}
html[data-bigscreen] .site-header{background-color:var(--ink-deep);background-image:none}

.header-inner{
  display:flex;
  align-items:center;
  gap:clamp(16px,2.4vw,36px);
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  min-height:var(--header-h);
  padding:14px var(--gutter);
  transition:min-height 200ms var(--ease),padding 200ms var(--ease);
}
.site-header.is-scrolled .header-inner{min-height:var(--header-h-sm);padding-top:8px;padding-bottom:8px}

/* 品牌 */
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-badge{
  display:grid;
  place-items:center;
  width:42px;
  height:42px;
  background:var(--lime);
  color:var(--ink-deep);
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
}
.brand-badge-num{font-family:var(--font-mono);font-weight:700;font-size:15px;letter-spacing:-.02em}
.brand-text{display:flex;flex-direction:column;gap:2px}
.brand-name{
  font-family:var(--font-display);
  font-weight:700;
  font-size:20px;
  line-height:1;
  letter-spacing:.04em;
  color:var(--paper);
}
.brand-sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:rgba(244,245,240,.6)}

/* 导航 */
.primary-nav{
  position:fixed;
  top:0;
  right:0;
  z-index:70;
  display:flex;
  flex-direction:column;
  width:min(88vw,380px);
  height:100vh;
  height:100dvh;
  padding:104px 24px 28px;
  background:var(--ink-deep);
  box-shadow:-28px 0 60px -34px rgba(6,31,25,.95);
  overflow-y:auto;
  overscroll-behavior:contain;
  transform:translateX(101%);
  visibility:hidden;
  transition:transform 280ms var(--ease),visibility 280ms var(--ease);
}
.primary-nav[data-open]{transform:translateX(0);visibility:visible}
html.nav-open{overflow:hidden}

.nav-list{display:flex;flex-direction:column;gap:2px}
.nav-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:15px 4px;
  font-family:var(--font-display);
  font-size:22px;
  font-weight:600;
  letter-spacing:.02em;
  color:rgba(244,245,240,.84);
  border-bottom:1px solid rgba(244,245,240,.1);
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.nav-link:hover,
.nav-link:focus-visible{color:var(--lime);padding-left:10px}
.nav-link[aria-current="page"]{color:var(--lime)}

.nav-mobile-foot{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin-top:auto;
  padding-top:26px;
  border-top:1px solid rgba(244,245,240,.14);
}
.nav-mobile-cta{justify-content:center}

/* 工具区 */
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.tool-toggle{
  padding:7px 13px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:rgba(244,245,240,.82);
  border:1px solid rgba(244,245,240,.34);
  cursor:pointer;
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.tool-toggle:hover{border-color:var(--lime);color:var(--lime)}
.tool-toggle[aria-pressed="true"]{background:var(--lime);color:var(--ink-deep);border-color:var(--lime)}

.round-chip{
  display:flex;
  align-items:center;
  gap:8px;
  padding-left:14px;
  border-left:1px solid rgba(244,245,240,.22);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
}
.round-chip-dot{
  width:8px;
  height:8px;
  background:var(--lime);
  border-radius:50%;
  animation:pulseBar 1.6s ease-in-out infinite;
}
.round-chip-label{color:rgba(244,245,240,.55)}
.round-chip-num{color:var(--lime);font-weight:700}

.site-header .header-cta{display:none}

/* 汉堡按钮 */
.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border:1px solid rgba(244,245,240,.3);
  cursor:pointer;
  color:var(--paper);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
}
.nav-toggle-bars{
  position:relative;
  display:block;
  width:20px;
  height:2px;
  background:currentColor;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:20px;
  height:2px;
  background:currentColor;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-6px) rotate(-45deg)}
.nav-toggle-text{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em}

.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:rgba(244,245,240,.14);
}
.scroll-progress-bar{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--teal),var(--lime));
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  position:relative;
  padding:0 var(--gutter);
  background-color:var(--ink-deep);
  background-image:
    radial-gradient(1100px 400px at 88% -12%,rgba(242,226,196,.10),transparent 70%),
    radial-gradient(700px 340px at 4% 112%,rgba(47,191,166,.16),transparent 72%);
  color:var(--paper);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:8px;
  background:linear-gradient(90deg,var(--lime) 0 20%,var(--teal) 20% 44%,var(--ink-green) 44% 72%,var(--flame) 72% 100%);
}
.footer-backpaths,
.footer-main,
.footer-legal{
  max-width:var(--shell);
  margin-inline:auto;
}
.footer-backpaths{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  padding:34px 0 20px;
  border-bottom:1px solid rgba(244,245,240,.14);
}
.footer-main{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1.5fr);
  gap:clamp(32px,5vw,80px);
  padding:clamp(40px,5vw,72px) 0;
}
.footer-brand .brand{margin-bottom:20px}
.brand--footer{align-items:flex-start}
.footer-deck{max-width:44ch;font-size:15px;color:rgba(244,245,240,.66)}
.footer-label{
  margin:28px 0 8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.22em;
  color:rgba(244,245,240,.45);
}
.footer-contact{display:flex;flex-direction:column;gap:2px}
.contact-row{
  display:grid;
  grid-template-columns:52px minmax(0,1fr) auto;
  align-items:center;
  gap:12px;
  padding:9px 0;
  border-bottom:1px solid rgba(244,245,240,.09);
}
.contact-row--wide{grid-template-columns:52px minmax(0,1fr)}
.contact-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:rgba(244,245,240,.5)}
.contact-value{font-family:var(--font-mono);font-size:13px;line-height:1.6;color:rgba(244,245,240,.9);word-break:break-all}
.footer-hours{margin-top:16px;font-size:13px;color:rgba(244,245,240,.55)}

.footer-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,40px)}
.footer-col-title{
  position:relative;
  margin-bottom:16px;
  padding-left:18px;
  font-family:var(--font-display);
  font-size:14px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--lime);
}
.footer-col-title::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:8px;
  height:15px;
  background:var(--lime);
  transform:translateY(-50%) skewX(-14deg);
}
.footer-list li+li{margin-top:2px}
.footer-list a{
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:rgba(244,245,240,.72);
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-list a:hover{color:var(--lime);transform:translateX(4px)}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  padding:22px 0 38px;
  border-top:1px solid rgba(244,245,240,.14);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(244,245,240,.55);
}
.legal-item{display:inline-flex;align-items:center;gap:.5em}

/* ============================================================
   断点
   ============================================================ */
@media (min-width:768px){
  .site-header .header-cta{display:inline-flex}
}
@media (min-width:1024px){
  .primary-nav{
    position:static;
    width:auto;
    height:auto;
    padding:0;
    background:transparent;
    box-shadow:none;
    overflow:visible;
    transform:none;
    visibility:visible;
    flex-direction:row;
    align-items:center;
    margin-left:auto;
    transition:none;
  }
  .nav-list{flex-direction:row;gap:4px}
  .nav-link{
    position:relative;
    padding:10px 14px;
    font-family:var(--font-body);
    font-size:15px;
    font-weight:500;
    letter-spacing:.04em;
    color:rgba(244,245,240,.82);
    border-bottom:0;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:14px;
    right:14px;
    bottom:5px;
    height:2px;
    background:var(--lime);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform var(--dur) var(--ease);
  }
  .nav-link:hover,
  .nav-link:focus-visible{color:var(--paper);padding-left:14px}
  .nav-link:hover::after,
  .nav-link:focus-visible::after,
  .nav-link[aria-current="page"]::after{transform:scaleX(1)}
  .nav-mobile-foot{display:none}
  .nav-toggle{display:none}
  .header-tools{margin-left:0}
}
@media (min-width:1180px){
  .round-chip{display:flex}
}
@media (max-width:1179px){
  .round-chip{display:none}
}
@media (max-width:1023px){
  .tool-toggle{display:none}
  .footer-main{grid-template-columns:minmax(0,1fr)}
  .grid--rail{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:900px){
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .grid--2,
  .grid--3{grid-template-columns:minmax(0,1fr)}
  .footer-nav{grid-template-columns:minmax(0,1fr)}
  .contact-row{grid-template-columns:minmax(0,1fr) auto}
  .contact-row--wide{grid-template-columns:minmax(0,1fr)}
  .contact-label{grid-column:1 / -1}
  .section-head{padding-left:30px}
  .brand-sub{display:none}
  .brand-badge{width:36px;height:36px}
  .brand-name{font-size:17px}
}

/* ---------- 无障碍与降级 ---------- */
.skip-link{
  position:absolute;
  left:var(--gutter);
  top:-64px;
  z-index:120;
  padding:10px 18px;
  background:var(--lime);
  color:var(--ink-deep);
  font-size:14px;
  font-weight:600;
  transition:top 180ms var(--ease);
}
.skip-link:focus{top:12px}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
  .btn:hover,
  .footer-list a:hover{transform:none}
}