/* ===== 维基体育赛事 · 共享样式 /assets/site.css ===== */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:112px}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

:root{
  --blue-900:#04182B;
  --blue-700:#0A2E4D;
  --blue-500:#14547F;
  --blue-300:#4E8CB8;
  --orange-500:#FF6A1A;
  --orange-300:#FFA86B;
  --lime-400:#C6FF4A;
  --white:#FFFFFF;
  --gray-100:#EEF2F6;
  --ink:#14202B;
  --gray-500:#5A6B7A;
  --line:rgba(20,32,43,.12);
  --line-strong:rgba(20,32,43,.22);
  --font-sans:"Noto Sans SC","Inter Tight",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --shell:min(1320px,100% - clamp(28px,7vw,84px));
  --radius:16px;
  --cut:22px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-z:60;
}

@media (prefers-reduced-motion: no-preference){
  html{scroll-behavior:smooth}
}

body{
  background:var(--white);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.1;text-wrap:balance}
h1{font-size:clamp(3.2rem,9vw,7.4rem);line-height:1.02;font-weight:900}
h2{font-size:clamp(1.9rem,3.4vw,3rem)}
h3{font-size:1.35rem;line-height:1.25}
p{max-width:44em}
.num,time,.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
strong{font-weight:700}

:focus-visible{outline:2px solid var(--orange-500);outline-offset:3px;border-radius:3px}
::selection{background:var(--lime-400);color:var(--blue-900)}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.container{width:var(--shell);margin-inline:auto}
.stack{display:grid;gap:var(--stack-gap,18px)}
.cluster{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ===== 跳转链接 ===== */
.skip-link{
  position:absolute;left:16px;top:-70px;z-index:120;
  background:var(--orange-500);color:#fff;font-weight:700;font-size:.9375rem;
  padding:12px 20px;border-radius:0 0 14px 14px;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:0}

/* ===== 页头 ===== */
.site-header{
  position:sticky;top:0;z-index:var(--header-z);
  background:var(--blue-900);
}
.scroll-progress{
  position:fixed;top:0;left:0;width:100%;height:2px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--orange-500),var(--lime-400));
  pointer-events:none;z-index:130;
}

.data-strip{
  background:var(--blue-900);
  color:#C4D6E4;
  font-size:.8125rem;
  letter-spacing:.04em;
  max-height:72px;overflow:hidden;
  transition:max-height .3s var(--ease),opacity .25s var(--ease);
}
.data-strip__inner{
  width:min(1360px,100%);
  margin-inline:auto;
  display:flex;flex-wrap:wrap;align-items:center;
  gap:clamp(10px,1.8vw,24px);
  min-height:40px;
  padding:6px clamp(16px,3.4vw,34px);
}
.data-strip__lead{
  color:var(--lime-400);font-weight:700;letter-spacing:.18em;font-size:.75rem;
  text-transform:uppercase;max-width:none;
}
.data-strip__item{display:inline-flex;align-items:center;gap:6px;max-width:none}
.data-strip__item--live{color:#EAF3FA}
.data-strip__num{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-weight:700;color:#fff;font-size:.9375rem;
  transition:color .2s var(--ease),background-color .2s var(--ease);
  padding:1px 3px;border-radius:4px;
}
.data-strip__num.is-flash{background:var(--lime-400);color:var(--blue-900)}
.data-strip__sep{width:1px;height:14px;background:rgba(255,255,255,.22)}
.data-strip__link{
  margin-left:auto;color:#fff;font-weight:700;font-size:.8125rem;
  border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:1px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.data-strip__link:hover{color:var(--orange-300);border-color:var(--orange-300)}
.data-strip__clock{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  color:var(--blue-300);font-size:.8125rem;max-width:none;
}
.dot-live{
  width:7px;height:7px;border-radius:50%;background:var(--lime-400);
  display:inline-block;flex:none;
  box-shadow:0 0 0 0 rgba(198,255,74,.55);
  animation:dot-pulse 2.4s var(--ease) infinite;
}
@keyframes dot-pulse{
  0%{box-shadow:0 0 0 0 rgba(198,255,74,.55)}
  70%{box-shadow:0 0 0 8px rgba(198,255,74,0)}
  100%{box-shadow:0 0 0 0 rgba(198,255,74,0)}
}

.nav-island{
  position:relative;
  padding:10px clamp(12px,3vw,28px) 12px;
  transition:padding .3s var(--ease);
}
.nav-island__inner{
  width:min(1360px,100%);
  margin-inline:auto;
  display:flex;align-items:center;
  gap:clamp(10px,1.8vw,22px);
  background:var(--blue-700);
  color:#fff;
  border-radius:999px;
  padding:9px 12px 9px 18px;
  box-shadow:0 22px 44px -30px rgba(2,12,24,.95);
  transition:padding .3s var(--ease),border-radius .3s var(--ease);
}
.site-header[data-scrolled] .data-strip{max-height:0;opacity:0}
.site-header[data-scrolled] .nav-island{padding-top:6px;padding-bottom:7px}
.site-header[data-scrolled] .nav-island__inner{padding-top:6px;padding-bottom:6px}
.site-header[data-scrolled] .brand__tag{opacity:0;max-width:0;overflow:hidden}

.brand{
  order:1;display:inline-flex;align-items:center;gap:11px;
  padding:4px 8px 4px 4px;border-radius:16px;
  min-height:44px;
  transition:background-color .2s var(--ease);
}
.brand:hover{background:rgba(255,255,255,.08)}
.brand__mark{
  width:38px;height:38px;flex:none;display:grid;place-items:center;
  background:var(--orange-500);color:#fff;font-weight:900;font-size:1.05rem;
  border-radius:12px 4px 12px 4px;
}
.brand__text{display:grid;line-height:1.18;min-width:0}
.brand__name{font-weight:800;font-size:1.02rem;letter-spacing:-.01em;white-space:nowrap}
.brand__tag{
  font-size:.6875rem;letter-spacing:.16em;color:var(--blue-300);
  text-transform:uppercase;white-space:nowrap;
  transition:opacity .25s var(--ease),max-width .25s var(--ease);
}

.nav-toggle{
  order:4;display:none;align-items:center;gap:8px;
  min-height:44px;padding:0 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:.875rem;font-weight:700;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--orange-300)}
.nav-toggle[aria-expanded="true"]{background:var(--orange-500);border-color:var(--orange-500)}
.nav-toggle__bars{display:grid;gap:4px;width:16px;flex:none}
.nav-toggle__bars i{display:block;height:2px;background:currentColor;border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.site-nav{order:2;min-width:0}
.site-nav__list{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.site-nav__link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;border-radius:999px;
  font-size:.9375rem;font-weight:600;color:rgba(255,255,255,.8);
  white-space:nowrap;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.site-nav__link:hover{color:#fff;background:rgba(255,255,255,.1)}
.site-nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--orange-500);border-radius:2px;
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .2s var(--ease);
}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{
  color:#fff;background:rgba(255,255,255,.12);
}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1)}

.nav-island__tools{order:3;margin-left:auto;display:flex;align-items:center;gap:8px}
.tool-btn{
  display:inline-flex;align-items:center;gap:7px;
  min-height:44px;padding:0 15px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);
  font-size:.875rem;font-weight:700;color:rgba(255,255,255,.88);
  transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.tool-btn:hover{color:#fff;background:rgba(255,255,255,.1);border-color:var(--orange-300)}
.tool-btn--search::before{
  content:"";width:12px;height:12px;flex:none;border:2px solid currentColor;border-radius:50%;
  box-shadow:4px 4px 0 -3px currentColor;
}
.tool-btn--follow::before{
  content:"";width:8px;height:8px;flex:none;border-radius:50%;
  border:2px solid currentColor;
}
.tool-btn--follow[aria-pressed="true"]{
  background:var(--lime-400);color:var(--blue-900);border-color:var(--lime-400);
}
.tool-btn--follow[aria-pressed="true"]::before{background:var(--blue-900);border-color:var(--blue-900)}

.search-panel{
  display:none;
  width:min(1360px,100%);
  margin:8px auto 0;
  background:var(--blue-700);
  color:#fff;
  border-top:2px solid var(--orange-500);
  border-radius:0 0 24px 24px;
  padding:18px clamp(16px,3vw,28px) 20px;
  box-shadow:0 30px 50px -34px rgba(2,12,24,.9);
}
.search-panel[data-open]{display:block}
.search-panel__field{display:grid;gap:8px;max-width:640px}
.search-panel__label{font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-300);font-weight:700}
.search-panel__input{
  width:100%;min-height:48px;padding:0 16px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.24);
  border-radius:12px;color:#fff;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.search-panel__input::placeholder{color:rgba(255,255,255,.45)}
.search-panel__input:focus{outline:none;border-color:var(--lime-400);background:rgba(255,255,255,.12)}
.search-panel__results{display:grid;gap:2px;margin-top:14px;max-height:280px;overflow:auto}
.search-result__link{
  display:flex;align-items:baseline;gap:12px;
  padding:11px 12px;border-radius:12px;
  border-left:2px solid transparent;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.search-result__link:hover,.search-result__link:focus-visible{background:rgba(255,255,255,.1);border-left-color:var(--orange-500)}
.search-result__name{font-weight:700}
.search-result__meta{font-size:.875rem;color:var(--blue-300)}
.search-result--empty{padding:12px;color:var(--blue-300);font-size:.875rem}
.search-panel__hint{margin-top:12px;font-size:.8125rem;color:var(--blue-300)}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:clamp(48px,7vw,104px);
  background:var(--blue-900);
  color:#BFD0DE;
}
.footer__inner{width:var(--shell);margin-inline:auto;padding:clamp(42px,6vw,84px) 0 26px}
.footer__top{
  display:grid;gap:clamp(26px,4vw,56px);
  grid-template-columns:1fr;
  padding-bottom:clamp(26px,4vw,44px);
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer__brand{display:grid;gap:14px;align-content:start}
.brand--footer{color:#fff;padding-left:0}
.footer__tagline{font-size:1rem;color:#CFDEEA;max-width:34em}
.footer__closing{
  font-size:.8125rem;letter-spacing:.06em;color:var(--blue-300);max-width:34em;
  border-left:2px solid var(--orange-500);padding-left:12px;
}
.footer__grid{
  display:grid;gap:clamp(20px,3vw,34px);
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
}
.footer__col{display:grid;gap:12px;align-content:start}
.footer__coltitle{
  font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--lime-400);font-weight:700;
}
.footer__links{display:grid;gap:2px}
.footer__link{
  display:inline-flex;align-items:center;min-height:44px;
  font-size:.9375rem;color:#BFD0DE;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer__link:hover{color:var(--orange-300);transform:translateX(3px)}
.footer__contact{
  display:grid;gap:8px;
  padding:clamp(22px,3.4vw,34px) 0;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer__contactitem{max-width:none;font-size:.9375rem;color:#D6E3EE}
.footer__contactitem--note{font-size:.8125rem;color:var(--blue-300)}
.footer__contactlabel{
  display:inline-block;min-width:78px;
  font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--blue-300);font-weight:700;
}
.footer__bottom{
  display:flex;flex-wrap:wrap;gap:14px 26px;align-items:center;justify-content:space-between;
  padding-top:22px;
}
.footer__copy{font-size:.8125rem;color:var(--blue-300);max-width:none;font-variant-numeric:tabular-nums}
.footer__legalLinks{display:flex;flex-wrap:wrap;gap:6px 20px}
.footer__legalLinks .footer__link{font-size:.8125rem;min-height:36px}

/* ===== 页面骨架 ===== */
.page-shell{
  width:var(--shell);
  margin-inline:auto;
  display:grid;
  gap:clamp(24px,3vw,48px);
  grid-template-columns:1fr;
  padding-block:clamp(28px,4.5vw,60px) 0;
  align-items:start;
}
.page-shell__rail{min-width:0}
.page-shell__main{min-width:0}

.data-rail{display:grid;gap:14px;align-content:start}
.rail-card{
  background:var(--gray-100);
  border-left:3px solid var(--blue-700);
  border-radius:0 var(--radius) var(--radius) 0;
  padding:14px 16px 16px;
  transition:padding .3s var(--ease),background-color .2s var(--ease);
}
.rail-card--accent{border-left-color:var(--orange-500);background:#FFF5EE}
.rail-card__label{
  font-size:.6875rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gray-500);font-weight:700;
}
.rail-card__value{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:1.7rem;font-weight:700;line-height:1.2;color:var(--blue-900);
}
.rail-card__unit{font-size:.8125rem;color:var(--gray-500);margin-left:4px;font-family:var(--font-sans)}
.rail-card__note{font-size:.8125rem;color:var(--gray-500);margin-top:6px;max-width:30em}
.rail-index{display:grid;gap:8px;padding-top:4px}
.rail-index__title{
  font-size:.6875rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gray-500);font-weight:700;
}
.rail-index__list{display:grid;gap:2px}
.rail-index__link{
  display:flex;align-items:center;min-height:44px;
  padding:6px 10px;border-radius:10px;
  border-left:2px solid transparent;
  font-size:.9375rem;color:var(--blue-700);
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.rail-index__link:hover{background:var(--gray-100);color:var(--blue-900)}
.rail-index__link[aria-current="true"]{border-left-color:var(--orange-500);color:var(--blue-900);font-weight:700;background:var(--gray-100)}

/* ===== 章节 ===== */
.section{padding-block:clamp(36px,5.5vw,80px)}
.section--tint{background:var(--gray-100);border-radius:var(--radius)}
.section--dark{background:var(--blue-900);color:#fff;border-radius:var(--radius)}
.section--dark .section__lead{color:rgba(255,255,255,.7)}
.section__head{display:grid;gap:12px;max-width:820px;margin-bottom:clamp(20px,3vw,40px)}
.section__kicker{
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--orange-500);font-weight:700;
}
.section__title{font-size:clamp(1.9rem,3.4vw,3rem)}
.section__lead{color:var(--gray-500);max-width:640px;font-size:1.0625rem}

/* ===== 编辑部目录 ===== */
.index-list{display:grid;border-top:1px solid var(--line)}
.index-item{
  position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);
  gap:16px;align-items:baseline;
  padding:18px 6px 18px 12px;
  border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease),padding-left .2s var(--ease);
}
.index-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--orange-500);
  transform:scaleY(0);transform-origin:50% 50%;
  transition:transform .2s var(--ease);
}
.index-item:hover{background:var(--gray-100);padding-left:18px}
.index-item:hover::before{transform:scaleY(1)}
.index-item__num{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:.8125rem;font-weight:700;color:var(--orange-500);letter-spacing:.06em;
}
.index-item__body{display:grid;gap:4px}
.index-item__name{font-size:1.15rem;font-weight:700;letter-spacing:-.01em}
.index-item__desc{font-size:.9375rem;color:var(--gray-500);max-width:52em}

/* ===== 文本与数据块 ===== */
.lead-block{
  font-size:clamp(1.1rem,1.7vw,1.35rem);
  line-height:1.62;font-weight:500;color:var(--blue-700);
  max-width:620px;border-left:3px solid var(--orange-500);padding-left:18px;
}
.prose{max-width:700px}
.prose p{margin-bottom:1.15em;max-width:44em}
.prose h2,.prose h3{margin:1.6em 0 .6em}
.prose ul,.prose ol{display:grid;gap:8px;margin:0 0 1.2em;padding-left:0}
.prose li{position:relative;padding-left:20px;max-width:44em}
.prose li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;background:var(--orange-500);border-radius:1px;
  transform:rotate(45deg);
}
.prose blockquote{
  background:var(--gray-100);border-left:3px solid var(--blue-500);
  padding:16px 20px;border-radius:0 var(--radius) var(--radius) 0;
  color:var(--blue-700);max-width:640px;
}
.stat-row{display:grid;gap:clamp(16px,2.6vw,32px);grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
.stat{display:grid;gap:6px;border-top:2px solid var(--blue-900);padding-top:10px}
.stat__value{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(1.7rem,3vw,2.4rem);font-weight:700;line-height:1;color:var(--blue-700);
}
.stat__label{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gray-500);font-weight:700}
.section--dark .stat{border-top-color:rgba(255,255,255,.3)}
.section--dark .stat__value{color:#fff}
.section--dark .stat__label{color:var(--blue-300)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:999px;
  font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  background:var(--gray-100);color:var(--blue-700);
}
.tag--orange{background:rgba(255,106,26,.14);color:#B84000}
.tag--live{background:var(--blue-900);color:var(--lime-400)}

/* ===== 图形语言 ===== */
.cut-panel{
  background:var(--white);
  border:1px solid var(--line);
  padding:clamp(18px,3vw,34px);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.cut-panel:hover{border-color:var(--orange-500);transform:translateY(-2px)}
.slash-divider{
  height:clamp(24px,4vw,60px);
  background:linear-gradient(96deg,var(--gray-100) 0 48%,transparent 48% 100%);
  border:0;
}

.media-frame{
  position:relative;overflow:hidden;
  background:var(--gray-100);
  border-radius:var(--radius);
  width:100%;
}
.media-frame__img{width:100%;height:100%;object-fit:cover;display:block}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--21x9{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--diagonal{
  clip-path:polygon(0 0,100% 0,100% calc(100% - 44px),calc(100% - 44px) 100%,0 100%);
  border-radius:0;
}
.media-frame--duotone::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(135deg,rgba(4,24,43,.58),rgba(255,106,26,.2));
}
.media-frame__caption{
  font-size:.8125rem;color:var(--gray-500);
  margin-top:10px;max-width:56em;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:.95rem;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn--primary{background:var(--orange-500);color:#fff}
.btn--primary:hover{background:#E85B0F}
.btn--ghost{background:transparent;color:var(--blue-700);border-color:var(--line-strong)}
.btn--ghost:hover{border-color:var(--orange-500);color:var(--orange-500)}
.btn--light{background:#fff;color:var(--blue-900)}
.btn--light:hover{background:var(--lime-400)}
.btn--block{width:100%}
.btn:active{transform:translateY(1px)}

/* ===== 面包屑 ===== */
.breadcrumb{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gray-500);margin-bottom:18px}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__item+.breadcrumb__item::before{content:"/";color:var(--blue-300)}
.breadcrumb__item a{min-height:36px;display:inline-flex;align-items:center;transition:color .2s var(--ease)}
.breadcrumb__item a:hover{color:var(--orange-500)}
.breadcrumb__item[aria-current="page"]{color:var(--blue-700);font-weight:700}

/* ===== 栅格工具 ===== */
.grid-12{display:grid;gap:clamp(16px,2.4vw,32px);grid-template-columns:repeat(12,minmax(0,1fr))}
.span-12{grid-column:span 12}
.span-8,.span-6,.span-4{grid-column:span 12}

/* ===== 响应式：平板 ===== */
@media (min-width:720px){
  .span-8{grid-column:span 8}
  .span-6{grid-column:span 6}
  .span-4{grid-column:span 4}
}

@media (max-width:1039px){
  .nav-toggle{display:inline-flex}
  .nav-island__inner{flex-wrap:wrap;border-radius:26px;padding:10px 12px}
  .site-nav{
    order:5;display:none;flex-basis:100%;
    margin-top:8px;padding-top:8px;
    border-top:1px solid rgba(255,255,255,.16);
  }
  .site-nav[data-open]{display:block}
  .site-nav__list{display:grid;gap:2px}
  .site-nav__link{
    width:100%;border-radius:14px;padding:0 14px;font-size:1rem;
  }
  .site-nav__link::after{left:14px;right:auto;width:18px;bottom:50%;transform:translateY(50%) scaleX(0)}
  .site-nav__link[aria-current="page"]::after{transform:translateY(50%) scaleX(1)}
  .site-nav__link[aria-current="page"]{background:rgba(255,255,255,.14)}
  .data-strip__link{margin-left:0}
  .data-strip__clock{display:none}
}

/* ===== 响应式：桌面 ===== */
@media (min-width:1040px){
  .nav-toggle{display:none}
  .site-nav{display:block}
  .nav-island__tools{margin-left:auto}
}

@media (min-width:1080px){
  .page-shell{grid-template-columns:280px minmax(0,1fr);gap:clamp(30px,4vw,64px)}
  .data-rail{position:sticky;top:118px}
  body[data-scrolled] .data-rail{gap:10px}
  body[data-scrolled] .rail-card{padding:11px 14px 13px}
  body[data-scrolled] .rail-card__note{display:none}
}

@media (min-width:900px){
  .footer__top{grid-template-columns:minmax(240px,1fr) minmax(0,1.9fr)}
}

@media (max-width:719px){
  .data-strip__lead{display:none}
  .data-strip__sep{display:none}
  .brand__tag{display:none}
  .footer__contactlabel{min-width:auto;display:block;margin-bottom:2px}
  h1{font-size:clamp(2.6rem,13vw,4rem)}
}

/* ===== 动效降级 ===== */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .dot-live{animation:none;box-shadow:0 0 0 3px rgba(198,255,74,.28)}
  .cut-panel:hover,.footer__link:hover{transform:none}
}