/* =========================================================
   /assets/site.css — 欧巴体育主站 共享外壳
   深空蓝长卷 / 框景首屏 / 玻璃层与实色层并置
   ========================================================= */

/* ---------- 1. 重置与变量 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}

:root{
  --c-void:#0A1020;
  --c-night:#141C31;
  --c-steel:#223049;
  --c-mist:#8C99B3;
  --c-bone:#F4F1E9;
  --c-rock:#3B4148;
  --c-moss:#4E6B58;
  --c-clay:#B3653C;
  --c-orange:#FF6A2B;
  --c-cyan:#35E3C6;
  --c-midnight:#05080F;

  --line:rgba(140,153,179,.22);
  --line-soft:rgba(140,153,179,.12);
  --glass:rgba(20,28,49,.60);
  --glass-strong:rgba(20,28,49,.88);
  --shadow:0 20px 44px -26px rgba(0,0,0,.9);

  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --edge:clamp(18px,4vw,40px);
  --wrap:1200px;

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

body{
  background-color:var(--c-void);
  background-image:
    radial-gradient(900px 460px at 8% -6%, rgba(53,227,198,.10), transparent 62%),
    radial-gradient(820px 420px at 92% 2%, rgba(255,106,43,.10), transparent 64%),
    linear-gradient(180deg,#0A1020 0%,#0B1224 56%,#080D1A 100%);
  color:var(--c-bone);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:900;letter-spacing:-.02em;line-height:1.16;color:var(--c-bone)}
a{color:var(--c-cyan);text-decoration:none}
p,li{overflow-wrap:anywhere}
::selection{background:rgba(53,227,198,.32);color:#04211c}
#main-content{display:block;scroll-margin-top:132px}

/* 焦点：荧光青描边 + 外发光，永不隐藏 */
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:2px;border-radius:var(--r-sm)}
a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--c-cyan);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(53,227,198,.20);
}

.skip-link{
  position:fixed;left:50%;top:-72px;transform:translateX(-50%);
  z-index:200;
  background:var(--c-cyan);color:#04211c;
  padding:12px 22px;border-radius:0 0 var(--r-sm) var(--r-sm);
  font:700 14px/1 var(--font-body);letter-spacing:.02em;
  transition:top .25s ease;
}
.skip-link:focus{top:0}

/* ---------- 2. 头部外壳 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,16,32,.94);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}

/* 2.1 赛事条 */
.ticker{background:var(--c-midnight);border-bottom:1px solid var(--line-soft)}
.ticker__inner{
  width:min(1240px,calc(100% - var(--edge)*2));
  margin-inline:auto;
  height:40px;
  display:flex;align-items:center;gap:20px;
  transition:height .3s ease;
}
.site-header[data-scrolled] .ticker__inner{height:32px}

.ticker__live{
  display:inline-flex;align-items:center;gap:8px;
  font:600 11px/1 var(--font-mono);letter-spacing:.18em;
  color:var(--c-cyan);white-space:nowrap;
}
.dot{
  width:7px;height:7px;border-radius:50%;background:var(--c-cyan);
  box-shadow:0 0 0 0 rgba(53,227,198,.55);
  animation:pulse 2.4s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(53,227,198,.55)}
  70%{box-shadow:0 0 0 9px rgba(53,227,198,0)}
  100%{box-shadow:0 0 0 0 rgba(53,227,198,0)}
}
.ticker__brand{
  font-size:13px;color:var(--c-mist);white-space:nowrap;letter-spacing:.01em;
}
.ticker__pointer{
  margin-left:auto;
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:12px;letter-spacing:.04em;color:var(--c-mist);white-space:nowrap;
}
.ticker__pointer .num{color:var(--c-cyan)}
.ticker__quick{display:flex;align-items:center;gap:8px}

/* 2.2 命令栏 */
.masthead{position:relative;border-top:1px solid rgba(255,106,43,.16)}
.masthead__inner{
  width:min(1240px,calc(100% - var(--edge)*2));
  margin-inline:auto;
  display:flex;align-items:center;gap:22px;
  padding-block:14px;
  transition:padding .3s ease;
}
.site-header[data-scrolled] .masthead__inner{padding-block:8px}

.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-bone);flex:0 0 auto}
.brand__mark{
  width:34px;height:34px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:var(--r-sm);
  background:linear-gradient(140deg,var(--c-orange),#ff9f68);
  color:#1a0a02;font:900 17px/1 var(--font-display);
}
.brand__text{
  display:inline-flex;align-items:baseline;gap:7px;
  font:900 17px/1 var(--font-display);letter-spacing:-.01em;
}
.brand__sub{
  font:600 10px/1 var(--font-mono);letter-spacing:.18em;
  color:var(--c-mist);padding-left:7px;border-left:1px solid var(--line);
}
.brand__meta{
  display:none;
  font:500 11px/1 var(--font-mono);letter-spacing:.1em;color:rgba(140,153,179,.7);
}

/* 2.3 主导航 */
.primary-nav{margin-left:auto;overflow-x:auto;scrollbar-width:none}
.primary-nav::-webkit-scrollbar{display:none}
.primary-nav__list{display:flex;align-items:center;gap:3px;flex-wrap:nowrap}
.primary-nav__list a{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 11px;border-radius:var(--r-sm);
  color:var(--c-bone);font-size:14px;font-weight:500;letter-spacing:.01em;
  white-space:nowrap;
  transition:background .25s ease,color .25s ease;
}
.idx{
  font-family:var(--font-serif);font-weight:300;font-size:11px;
  color:var(--c-mist);letter-spacing:.06em;
  transition:color .25s ease;
}
.primary-nav__list a:hover{background:rgba(34,48,73,.72)}
.primary-nav__list a:hover .idx{color:var(--c-cyan)}
.primary-nav__list a[aria-current="page"]{
  background:rgba(255,106,43,.15);
  color:#ffd8c6;
}
.primary-nav__list a[aria-current="page"] .idx{color:var(--c-orange)}
.primary-nav__list a[aria-current="page"]::after{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--c-orange);
  box-shadow:0 0 8px rgba(255,106,43,.9);
}

/* 2.4 移动导航按钮 */
.nav-toggle{
  display:none;margin-left:auto;
  align-items:center;gap:9px;
  padding:9px 13px;border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(34,48,73,.6);
  color:var(--c-bone);
  font:600 13px/1 var(--font-body);
  cursor:pointer;
  transition:border-color .25s ease,background .25s ease;
}
.nav-toggle:hover{border-color:var(--c-cyan);background:rgba(34,48,73,.85)}
.nav-toggle__bars{
  position:relative;width:16px;height:2px;border-radius:2px;
  background:currentColor;
}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;
  background:currentColor;transition:transform .25s ease,top .25s ease;
}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:0;transform:rotate(-45deg)}

/* ---------- 3. 页脚 ---------- */
.site-footer{
  margin-top:clamp(64px,10vw,120px);
  background:var(--c-midnight);
  color:var(--c-mist);
  padding-bottom:26px;
}
.footer__rule{
  height:3px;
  background:linear-gradient(90deg,var(--c-orange),rgba(255,106,43,.25) 46%,transparent);
}
.footer__inner{
  width:min(1240px,calc(100% - var(--edge)*2));
  margin-inline:auto;
  padding-top:clamp(38px,6vw,62px);
  display:grid;
  grid-template-columns:1.25fr 2fr 1.35fr;
  gap:clamp(26px,4vw,52px);
}
.footer__logo{
  font:900 22px/1.2 var(--font-display);color:var(--c-bone);letter-spacing:-.01em;
}
.footer__line{
  margin-top:10px;
  font:300 15px/1.6 var(--font-serif);color:var(--c-mist);letter-spacing:.03em;
}
.footer__domain{
  margin-top:14px;
  font:500 11.5px/1 var(--font-mono);letter-spacing:.14em;color:rgba(140,153,179,.72);
}
.footer__cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.footer__title{
  font:600 11.5px/1 var(--font-mono);letter-spacing:.2em;
  color:var(--c-bone);text-transform:uppercase;margin-bottom:14px;
}
.footer__list{display:grid;gap:9px}
.footer__link{
  color:var(--c-mist);font-size:14.5px;
  border-bottom:1px solid transparent;
  transition:color .25s ease,border-color .25s ease;
}
.footer__link:hover{color:var(--c-bone);border-bottom-color:var(--c-cyan)}
.footer__contact-item{display:flex;gap:10px;font-size:14px;margin-bottom:10px;align-items:baseline}
.footer__contact-label{
  flex:0 0 auto;min-width:42px;
  font:600 11px/1 var(--font-mono);letter-spacing:.14em;color:rgba(140,153,179,.8);
  padding-top:3px;
}
.footer__val{color:var(--c-bone);font-size:14px;overflow-wrap:anywhere}
.footer__note{
  margin-top:16px;padding-left:12px;
  border-left:2px solid rgba(179,101,60,.7);
  font-size:12.5px;line-height:1.7;color:rgba(140,153,179,.9);
}
.footer__base{
  width:min(1240px,calc(100% - var(--edge)*2));
  margin:44px auto 0;
  padding-top:18px;
  border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;
}
.footer__icp{
  font:500 12.5px/1 var(--font-mono);letter-spacing:.08em;color:var(--c-mist);
}
.footer__season{
  margin-left:auto;
  font:500 12.5px/1 var(--font-mono);letter-spacing:.1em;color:var(--c-cyan);
}
.footer__season .num{color:var(--c-bone)}

/* ---------- 4. 版式工具 ---------- */
.display{
  font:900 clamp(32px,5.4vw,64px)/1.08 var(--font-display);
  letter-spacing:-.02em;
  color:var(--c-bone);
}
.display em{font-style:normal;color:var(--c-cyan)}
.lede{
  font-size:clamp(16px,1.5vw,18px);line-height:1.8;
  color:rgba(244,241,233,.82);max-width:68ch;
}
.eyebrow{
  font:600 11.5px/1 var(--font-mono);letter-spacing:.22em;text-transform:uppercase;
  color:var(--c-cyan);
}
.section-index{
  font:300 clamp(30px,4.6vw,54px)/1 var(--font-serif);
  letter-spacing:.04em;color:rgba(255,106,43,.6);
}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.score{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700;
  font-size:clamp(40px,7vw,88px);line-height:1;letter-spacing:-.02em;
  color:var(--c-cyan);
}
.score--sm{font-size:clamp(20px,2.6vw,30px)}
.cap{font:500 13px/1.6 var(--font-mono);letter-spacing:.08em;color:var(--c-mist)}
.prose{max-width:70ch}
.prose p{margin-bottom:1.15em;color:rgba(244,241,233,.9)}
.prose h2{margin:1.6em 0 .6em;font-size:clamp(22px,2.6vw,30px)}
.prose h3{margin:1.4em 0 .5em;font-size:clamp(18px,2vw,22px)}
.prose ul{list-style:disc;padding-left:1.35em;margin-bottom:1.15em;color:rgba(244,241,233,.9)}
.prose li{margin-bottom:.4em}
.prose a{color:var(--c-cyan);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose strong{color:var(--c-bone)}
.rule{border:0;height:1px;background:var(--line);margin:0}
.ticks-rule{
  height:12px;
  border-bottom:1px solid var(--line);
  background-image:repeating-linear-gradient(90deg,rgba(140,153,179,.45) 0 1px,transparent 1px 26px);
}

/* ---------- 5. 布局 ---------- */
.wrap{width:min(var(--wrap),calc(100% - var(--edge)*2));margin-inline:auto}
.wrap--narrow{width:min(820px,calc(100% - var(--edge)*2));margin-inline:auto}
.section{padding-block:clamp(56px,9vw,116px)}
.section--band{background:var(--c-night);border-block:1px solid var(--line-soft)}
.section--void{background:var(--c-void)}
.section-head{display:grid;gap:14px;max-width:820px;margin-bottom:clamp(28px,4vw,48px)}
.grid{display:grid;gap:clamp(16px,2.4vw,26px);align-items:start}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--5-7{grid-template-columns:5fr 7fr}
.grid--4-8{grid-template-columns:4fr 8fr}
.stagger>*:nth-child(even){margin-top:clamp(20px,3vw,44px)}
.stack{display:grid;gap:clamp(16px,2.4vw,28px)}
.cluster{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.panel{
  background:var(--c-night);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:clamp(18px,2.6vw,30px);
}

/* ---------- 6. 组件 ---------- */
/* 6.1 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 22px;border-radius:var(--r-sm);
  border:1px solid transparent;
  font:700 15px/1 var(--font-body);letter-spacing:.01em;
  text-decoration:none;cursor:pointer;
  transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease;
}
.btn--primary{background:var(--c-orange);color:#1a0a02}
.btn--primary:hover{background:#ff8149;transform:translateY(-2px)}
.btn--ghost{
  background:rgba(34,48,73,.35);border-color:var(--line);color:var(--c-bone);
}
.btn--ghost:hover{border-color:var(--c-cyan);color:var(--c-cyan)}
.btn--quiet{background:transparent;color:var(--c-cyan);padding-inline:6px}
.btn--quiet:hover{color:var(--c-bone)}

/* 6.2 快捷 chip */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(34,48,73,.5);
  color:var(--c-bone);font:500 12.5px/1.7 var(--font-body);
  white-space:nowrap;
  transition:background .25s ease,border-color .25s ease,color .25s ease,transform .25s ease;
}
.chip:hover{
  background:rgba(34,48,73,.9);
  border-color:rgba(53,227,198,.55);
  color:var(--c-cyan);
  transform:translateY(-1px);
}
.chip--accent{
  border-color:rgba(255,106,43,.55);
  background:rgba(255,106,43,.14);
  color:#ffd3bd;
}
.chip--accent:hover{
  background:var(--c-orange);border-color:var(--c-orange);color:#1a0a02;
}

/* 6.3 卡片 / 玻璃层 */
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-radius:var(--r-md);
  transition:background .3s ease,transform .3s ease,border-color .3s ease;
}
.glass:hover{background:var(--glass-strong);border-color:rgba(53,227,198,.35)}
.card{
  position:relative;
  background:var(--c-night);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:clamp(18px,2.4vw,24px);
  box-shadow:var(--shadow);
  transition:transform .3s ease,background .3s ease,border-color .3s ease;
}
.card--glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.card--solid{background:#182136}
.card:hover{transform:translateY(-4px);background:var(--glass-strong);border-color:rgba(53,227,198,.35)}
.card__label{
  font:600 11px/1 var(--font-mono);letter-spacing:.16em;text-transform:uppercase;
  color:var(--c-mist);
}
.card__title{
  font:900 clamp(17px,1.8vw,20px)/1.35 var(--font-display);
  letter-spacing:-.01em;margin:10px 0 8px;color:var(--c-bone);
}
.card__body{font-size:15px;color:rgba(244,241,233,.78)}
.card__foot{
  margin-top:18px;padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font:500 12.5px/1.6 var(--font-mono);color:var(--c-mist);
}
.card__foot .num{color:var(--c-cyan)}

/* 6.4 状态标签 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border-radius:999px;
  font:600 11px/1.7 var(--font-mono);letter-spacing:.08em;
}
.tag--live{background:rgba(78,107,88,.3);border:1px solid rgba(78,107,88,.7);color:#a6d6b6}
.tag--soon{background:rgba(179,101,60,.2);border:1px solid rgba(179,101,60,.55);color:#e2ab87}
.tag--done{background:rgba(59,65,72,.42);border:1px solid rgba(59,65,72,.9);color:var(--c-mist)}

/* 6.5 框景首屏 */
.frame{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(24px,4.4vw,52px);
  background:linear-gradient(160deg,rgba(20,28,49,.9),rgba(10,16,32,.62));
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.frame__corner{position:absolute;width:16px;height:16px;border:2px solid var(--c-cyan)}
.frame__corner--tl{top:-2px;left:-2px;border-right:0;border-bottom:0;border-radius:var(--r-lg) 0 0 0}
.frame__corner--tr{top:-2px;right:-2px;border-left:0;border-bottom:0;border-radius:0 var(--r-lg) 0 0}
.frame__corner--bl{bottom:-2px;left:-2px;border-right:0;border-top:0;border-radius:0 0 0 var(--r-lg)}
.frame__corner--br{bottom:-2px;right:-2px;border-left:0;border-top:0;border-radius:0 0 var(--r-lg) 0}
.frame__ticks{
  position:absolute;left:0;right:0;bottom:-1px;height:9px;
  background-image:repeating-linear-gradient(90deg,rgba(140,153,179,.5) 0 1px,transparent 1px 34px);
}

/* 6.6 技能树路径 */
.path{display:grid;gap:0}
.path__node{
  position:relative;
  margin-left:12px;
  padding:0 0 28px 34px;
  border-left:1px solid var(--line);
}
.path__node:last-child{border-left-color:transparent;padding-bottom:0}
.path__node::before{
  content:"";position:absolute;left:-7px;top:2px;
  width:13px;height:13px;border-radius:50%;
  background:var(--c-night);border:2px solid var(--c-orange);
}
.path__step{
  display:block;margin-bottom:6px;
  font:600 11px/1 var(--font-mono);letter-spacing:.16em;color:var(--c-cyan);
}
.path__node h3{font-size:17px;margin-bottom:6px}
.path__node p{font-size:14.5px;color:rgba(244,241,233,.78)}

/* 6.7 数据点 */
.stat{display:grid;gap:6px}
.stat__value{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700;
  font-size:clamp(26px,3.6vw,42px);line-height:1;color:var(--c-bone);
}
.stat__label{font:500 12.5px/1.5 var(--font-mono);letter-spacing:.1em;color:var(--c-mist)}

/* 6.8 面包屑 */
.crumb{font:500 12px/1.7 var(--font-mono);letter-spacing:.04em;color:var(--c-mist)}
.crumb__list{display:flex;flex-wrap:wrap;gap:8px}
.crumb__list li{display:flex;align-items:center;gap:8px}
.crumb__list li+li::before{content:"/";color:rgba(140,153,179,.5)}
.crumb a{color:var(--c-mist)}
.crumb a:hover{color:var(--c-cyan)}
.crumb [aria-current="page"]{color:var(--c-bone)}

/* 6.9 图片占位容器 */
.media{
  position:relative;overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  aspect-ratio:16/9;
  background:linear-gradient(150deg,var(--c-rock),var(--c-night));
}
.media--tall{aspect-ratio:3/4}
.media--wide{aspect-ratio:21/9}
.media--square{aspect-ratio:1/1}
.media--graph{
  background-image:
    repeating-linear-gradient(90deg,rgba(140,153,179,.12) 0 1px,transparent 1px 30px),
    repeating-linear-gradient(0deg,rgba(140,153,179,.12) 0 1px,transparent 1px 30px),
    linear-gradient(150deg,var(--c-night),var(--c-void));
}
.media__img{width:100%;height:100%;object-fit:cover;display:block}
.media__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px;
  font-size:12.5px;line-height:1.6;color:var(--c-bone);
  background:linear-gradient(0deg,rgba(5,8,15,.92),transparent);
}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(120deg,rgba(53,227,198,.12),transparent 58%);
}

/* 6.10 阅读进度与显现 */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  z-index:120;
  background:linear-gradient(90deg,var(--c-orange),var(--c-cyan));
}
html.js [data-reveal]{
  opacity:0;transform:translateY(16px);
  transition:opacity .55s ease,transform .55s ease;
}
html.js [data-reveal][data-revealed]{opacity:1;transform:none}

/* ---------- 7. 响应式 ---------- */
@media (min-width:1120px){
  .brand__meta{display:inline-block}
}
@media (max-width:1080px){
  .ticker__pointer{display:none}
  .footer__inner{grid-template-columns:1fr 1fr}
  .footer__contact{grid-column:1 / -1}
}
@media (max-width:900px){
  html{scroll-padding-top:112px}
  #main-content{scroll-margin-top:112px}
  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:absolute;top:100%;left:0;right:0;
    margin:0;display:none;overflow:visible;
    background:rgba(5,8,15,.98);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    padding:10px var(--edge) 18px;
  }
  .primary-nav[data-open]{display:block}
  .primary-nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .primary-nav__list a{
    width:100%;padding:13px 10px;font-size:15.5px;
    border-bottom:1px solid var(--line-soft);
  }
  .primary-nav__list li:last-child a{border-bottom:0}
  .grid--5-7,.grid--4-8,.grid--3,.grid--2{grid-template-columns:1fr}
  .stagger>*:nth-child(even){margin-top:0}
}
@media (max-width:760px){
  .ticker__brand{display:none}
  .ticker__inner{gap:12px;overflow-x:auto;scrollbar-width:none}
  .ticker__inner::-webkit-scrollbar{display:none}
  .ticker__quick{margin-left:auto}
  .chip{padding:5px 10px;font-size:12px}
  .footer__cols{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  body{font-size:15.5px}
  .footer__inner{grid-template-columns:1fr}
  .footer__cols{grid-template-columns:1fr 1fr;gap:20px}
  .footer__season{margin-left:0}
  .brand__text{font-size:16px}
  .btn{width:100%}
  .btn--quiet{width:auto}
}

/* ---------- 8. 减少动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .dot{animation:none}
  .skip-link{transition:none}
  .card,.card:hover,.glass,.glass:hover,.btn,.chip,.nav-toggle__bars::before,.nav-toggle__bars::after{
    transition:none;
  }
  .card:hover,.btn--primary:hover,.chip:hover{transform:none}
  .ticker__inner,.masthead__inner{transition:none}
  html.js [data-reveal]{opacity:1;transform:none;transition:none}
}