/* =========================================================
   小鸟体育 CN · /assets/site.css
   共享外壳 · 设计令牌 · 基础组件
   ========================================================= */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,figcaption,blockquote,dl,dd,details,summary{margin:0}
ul,ol{padding:0;list-style:none}
img,picture,svg,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
hr{border:0;border-top:2px solid rgba(90,107,120,.3);margin:0}

/* ---------- tokens ---------- */
:root{
  --c-green-600:#1E7F4F;
  --c-green-300:#7CC79A;
  --c-green-050:#E4F2E9;
  --c-yellow-500:#F0B429;
  --c-yellow-100:#FBE6B0;
  --c-red-600:#D93A3A;
  --c-navy-900:#0C1826;
  --c-navy-700:#16304A;
  --c-paper-050:#F4F1E7;
  --c-ink-900:#12202B;
  --c-gray-500:#5A6B78;
  --c-deep-text:#E9EEF2;
  --c-deep-muted:#9FB3C0;

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

  --wrap:1280px;
  --gutter:clamp(16px,4vw,40px);

  --line-strong:3px solid var(--c-navy-900);
  --line-soft:2px solid var(--c-navy-700);
  --shadow-hard:6px 6px 0 0 var(--c-navy-700);
  --shadow-hard-green:6px 6px 0 0 var(--c-green-600);
  --shadow-hard-yellow:6px 6px 0 0 var(--c-yellow-500);
  --shadow-hard-sm:3px 3px 0 0 var(--c-navy-900);

  --dur:180ms;
  --ease:ease-out;
  --focus-ring:3px solid var(--c-red-600);
}

::selection{background:var(--c-yellow-500);color:var(--c-navy-900)}

/* ---------- base ---------- */
body{
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:400;
  line-height:1.85;
  color:var(--c-ink-900);
  background-color:var(--c-paper-050);
  background-image:
    repeating-linear-gradient(90deg, rgba(30,127,79,.05) 0 2px, rgba(30,127,79,0) 2px 20px),
    radial-gradient(120% 70% at 100% 0%, rgba(240,180,41,.14), rgba(240,180,41,0) 58%),
    radial-gradient(90% 60% at 0% 0%, rgba(30,127,79,.10), rgba(30,127,79,0) 60%);
  min-height:100%;
}
@media (min-width:1024px){
  body{font-size:17px;background-attachment:fixed,fixed,fixed}
}

h1,h2,h3,h4,.display{font-family:var(--font-display);font-weight:700;letter-spacing:-.01em;color:var(--c-ink-900)}
h1{font-size:clamp(30px,4.4vw,40px);line-height:1.18}
h2{font-size:clamp(23px,3vw,30px);line-height:1.22}
h3{font-size:clamp(19px,2vw,22px);line-height:1.28}
h4{font-size:17px;line-height:1.4}
p{max-width:72ch}
strong,b{font-weight:700}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.num{font-family:var(--font-mono);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.muted{color:var(--c-gray-500)}
.note{font-size:13px;line-height:20px;color:var(--c-gray-500)}
.lede{font-size:clamp(17px,1.7vw,19px);line-height:1.85;color:var(--c-gray-500);max-width:64ch}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--c-green-600);
}
.eyebrow::before{content:"";width:22px;height:3px;background:var(--c-yellow-500);flex:0 0 auto}

.prose{max-width:70ch}
.prose p+p{margin-top:1em}
.prose h2{margin:1.6em 0 .6em}
.prose h3{margin:1.4em 0 .5em}
.prose ul,.prose ol{list-style:disc;padding-left:1.3em;margin:1em 0;max-width:70ch}
.prose ol{list-style:decimal}
.prose li{margin:.35em 0}
.prose blockquote{
  border-left:4px solid var(--c-green-600);
  background:var(--c-yellow-100);
  padding:14px 18px;margin:1.2em 0;max-width:66ch;
}

:focus-visible{outline:var(--focus-ring);outline-offset:2px}
#main-content{display:block;scroll-margin-top:120px}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(36px,6vw,72px)}
.section--tight{padding-block:clamp(20px,3vw,32px)}
.section--tint{
  background:linear-gradient(180deg, rgba(228,242,233,.9), rgba(228,242,233,.25));
  border-block:2px solid rgba(30,127,79,.2);
}
.section__head{display:grid;gap:10px;margin-bottom:clamp(18px,3vw,32px)}

.grid{display:grid;gap:clamp(16px,2vw,24px)}
.grid--2,.grid--3,.grid--4,.grid--split,.grid--split-rev{grid-template-columns:minmax(0,1fr)}
@media (min-width:680px){
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:900px){
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (min-width:960px){
  .grid--split{grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,56px)}
  .grid--split-rev{grid-template-columns:4fr 8fr;gap:clamp(24px,4vw,56px)}
}

/* ---------- buttons / tags ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 18px;
  font-family:var(--font-sans);font-weight:700;font-size:15px;letter-spacing:-.01em;
  color:var(--c-ink-900);background:var(--c-paper-050);
  border:var(--line-strong);box-shadow:var(--shadow-hard-sm);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),
             background-color var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease);
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 0 var(--c-navy-700)}
.btn:active{transform:translate(0,0);box-shadow:2px 2px 0 0 var(--c-navy-700)}
.btn--primary{background:var(--c-green-600);color:#fff;border-color:var(--c-navy-900);box-shadow:var(--shadow-hard-sm)}
.btn--primary:hover{background:var(--c-yellow-500);color:var(--c-navy-900);box-shadow:5px 5px 0 0 var(--c-navy-900)}
.btn--ghost{background:transparent}
.btn--sm{min-height:38px;padding:6px 12px;font-size:13px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.02em;line-height:1.5;
  padding:3px 9px;border:2px solid var(--c-navy-900);
  background:var(--c-green-050);color:var(--c-ink-900);
}
.tag--current{background:var(--c-yellow-500)}
.tag--live{background:var(--c-red-600);color:#fff}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 联赛色标协议 ---------- */
[data-league="football"]{--league-c:#F0B429}
[data-league="basketball"]{--league-c:#D93A3A}
[data-league="tennis"]{--league-c:#7CC79A}
[data-league="volleyball"]{--league-c:#F4F1E7}
[data-league="badminton"]{--league-c:#FBE6B0}
[data-league="tabletennis"]{--league-c:#E4F2E9}
[data-league="racing"]{--league-c:#16304A}
[data-league="esports"]{--league-c:#0C1826}
[data-league="multi"]{--league-c:#5A6B78}
.league-chip{
  display:block;flex:0 0 auto;width:12px;height:12px;
  background:var(--league-c,var(--c-navy-700));
  box-shadow:inset 0 0 0 1px rgba(12,24,38,.38);
}

/* =========================================================
   HEADER
   ========================================================= */
.skip-link{
  position:absolute;left:12px;top:-70px;z-index:200;
  padding:10px 16px;background:var(--c-navy-900);color:#fff;
  font-weight:700;font-size:14px;border:3px solid var(--c-yellow-500);
  transition:top var(--dur) var(--ease);
}
.skip-link:focus{top:12px}

.site-header{position:relative;z-index:60}

.topbar{
  position:sticky;top:0;z-index:70;
  background:var(--c-paper-050);
  border-bottom:3px solid var(--c-navy-900);
}
.topbar__inner{
  display:flex;align-items:center;gap:clamp(10px,1.6vw,24px);
  min-height:76px;padding-block:10px;
  transition:min-height var(--dur) var(--ease),padding var(--dur) var(--ease);
}
.topbar__progress{
  position:absolute;left:0;bottom:-3px;height:3px;width:0;
  background:var(--c-red-600);z-index:72;pointer-events:none;
  transition:width 120ms linear;
}

/* brand */
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__mark{
  width:36px;height:36px;flex:0 0 auto;
  display:grid;place-items:center;
  background:var(--c-green-600);
  border:3px solid var(--c-navy-900);
  box-shadow:3px 3px 0 0 var(--c-yellow-500);
}
.brand__chip{width:11px;height:11px;background:var(--c-yellow-500);transform:rotate(45deg)}
.brand__text{display:flex;flex-direction:column;gap:0}
.brand__name{
  font-family:var(--font-display);font-weight:700;
  font-size:19px;line-height:1.15;letter-spacing:-.01em;white-space:nowrap;
}
.brand__tagline{font-size:12px;line-height:1.5;color:var(--c-gray-500);letter-spacing:.02em}

/* main nav */
.nav-main{flex:1 1 auto;min-width:0;display:none}
.nav-main__list{display:flex;flex-wrap:wrap;align-items:center;gap:2px}
.nav-main__item{display:block}
.nav-main__link{
  display:inline-flex;align-items:center;min-height:44px;
  padding:6px clamp(8px,1vw,14px);
  font-weight:700;font-size:clamp(14px,1.15vw,15px);letter-spacing:-.01em;
  border:2px solid transparent;
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),
             color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.nav-main__link:hover{background:var(--c-green-050);border-color:var(--c-navy-900)}
.nav-main__link[aria-current="page"]{
  background:var(--c-navy-900);color:#fff;border-color:var(--c-navy-900);
  box-shadow:3px 3px 0 0 var(--c-yellow-500);
}

/* actions */
.topbar__actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.btn--score{
  background:var(--c-yellow-500);color:var(--c-navy-900);
  border-color:var(--c-navy-900);box-shadow:var(--shadow-hard-sm);
  white-space:nowrap;
}
.btn--score:hover{background:var(--c-green-600);color:#fff}
.site-header.is-stuck .topbar__inner{min-height:58px;padding-block:6px}
.site-header.is-stuck .brand__tagline{display:none}
.site-header.is-stuck .btn--score{
  font-family:var(--font-mono);font-size:13px;padding:5px 11px;min-height:38px;
  background:var(--c-navy-900);color:#fff;border-color:var(--c-navy-900);
  box-shadow:3px 3px 0 0 var(--c-red-600);
}

/* toggle */
.nav-toggle{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:8px 12px;
  background:var(--c-yellow-500);color:var(--c-navy-900);
  border:3px solid var(--c-navy-900);box-shadow:var(--shadow-hard-sm);
  font-weight:700;font-size:14px;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav-toggle:hover{transform:translate(-1px,-1px)}
.nav-toggle__bars{
  position:relative;display:block;width:18px;height:14px;
  background:linear-gradient(var(--c-navy-900),var(--c-navy-900)) center/100% 2px no-repeat;
}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;right:0;height:2px;background:var(--c-navy-900);
  transition:transform var(--dur) var(--ease),top var(--dur) var(--ease),bottom var(--dur) var(--ease);
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{bottom:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background-image:none}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:6px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{bottom:6px;transform:rotate(-45deg)}
.nav-toggle__label{white-space:nowrap}

/* mobile panel */
.nav-panel{display:none}
.nav-panel__inner{padding-block:16px 22px;display:grid;gap:12px}
.nav-panel__title{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--c-green-600);max-width:none;
}
.nav-panel__list{display:grid;gap:6px}
.nav-panel__link{
  display:flex;align-items:center;min-height:48px;padding:8px 12px;
  font-weight:700;font-size:16px;
  border:2px solid var(--c-navy-900);background:var(--c-green-050);
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-panel__link:hover{background:var(--c-yellow-100)}
.nav-panel__link[aria-current="page"]{
  background:var(--c-navy-900);color:#fff;box-shadow:3px 3px 0 0 var(--c-yellow-500);
}
.nav-group{border:2px solid var(--c-navy-900);background:var(--c-paper-050)}
.nav-group__summary{
  display:flex;align-items:center;min-height:48px;padding:8px 12px;
  font-weight:700;font-size:15px;cursor:pointer;list-style:none;
}
.nav-group__summary::-webkit-details-marker{display:none}
.nav-group__summary::after{
  content:"＋";margin-left:auto;font-family:var(--font-mono);
  color:var(--c-green-600);font-size:17px;
}
.nav-group[open] > .nav-group__summary{background:var(--c-yellow-100);border-bottom:2px solid var(--c-navy-900)}
.nav-group[open] > .nav-group__summary::after{content:"－"}
.nav-group__list{display:grid;gap:2px;padding:8px}
.nav-group__link{
  display:flex;align-items:center;gap:10px;
  min-height:44px;padding:6px 10px;font-size:15px;font-weight:500;
  border:2px solid transparent;
}
.nav-group__link:hover{background:var(--c-green-050);border-color:var(--c-green-600)}
.nav-panel__cta{width:100%;margin-top:4px}

/* =========================================================
   联赛导航带（框架式导航）
   ========================================================= */
.league-band{
  position:relative;
  background:var(--c-green-600);
  border-bottom:3px solid var(--c-navy-900);
  overflow:hidden;
  transition:box-shadow var(--dur) var(--ease);
}
.league-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg, rgba(255,255,255,.07) 0 1px, rgba(255,255,255,0) 1px 14px);
}
.league-band.is-scrolled{box-shadow:inset -46px 0 34px -34px rgba(12,24,38,.65)}
.league-band.is-end{box-shadow:inset 46px 0 34px -34px rgba(12,24,38,.65)}
.league-band.is-scrolled.is-end{box-shadow:inset -46px 0 34px -34px rgba(12,24,38,.65),inset 46px 0 34px -34px rgba(12,24,38,.65)}

.league-band__inner{
  position:relative;z-index:1;
  display:flex;align-items:center;gap:clamp(10px,1.6vw,18px);
  padding-block:10px;
}
.league-band__label{
  flex:0 0 auto;
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--c-navy-900);background:var(--c-yellow-500);
  border:2px solid var(--c-navy-900);padding:3px 10px;white-space:nowrap;
}
.league-band__track{
  flex:1 1 auto;min-width:0;
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x proximity;
  scrollbar-width:thin;
  scrollbar-color:rgba(12,24,38,.55) rgba(255,255,255,.14);
  -webkit-overflow-scrolling:touch;
}
.league-band__track::-webkit-scrollbar{height:6px}
.league-band__track::-webkit-scrollbar-track{background:rgba(255,255,255,.14)}
.league-band__track::-webkit-scrollbar-thumb{background:rgba(12,24,38,.55)}
.league-band__item{flex:0 0 auto;scroll-snap-align:start}
.league-band__link{
  display:inline-flex;align-items:center;gap:8px;
  min-height:40px;padding:6px 12px;
  color:#fff;font-weight:700;font-size:14px;letter-spacing:-.01em;
  border:2px solid rgba(255,255,255,.3);
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.league-band__link:hover,.league-band__link:focus-visible{
  background:rgba(12,24,38,.4);border-color:var(--c-navy-900);transform:scale(1.04);
}
.league-band__item.is-current .league-band__link{
  background:var(--c-yellow-500);color:var(--c-navy-900);
  border-color:var(--c-navy-900);box-shadow:3px 3px 0 0 var(--c-navy-900);
}
.league-band__item.is-current .league-chip{box-shadow:inset 0 0 0 1px rgba(12,24,38,.6)}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{
  margin-top:clamp(48px,8vw,96px);
  background:var(--c-navy-900);
  color:var(--c-deep-text);
  border-top:6px solid var(--c-green-600);
}
.footer__inner{
  display:grid;gap:clamp(24px,3vw,40px);
  padding-block:clamp(36px,5vw,60px) 26px;
}
@media (min-width:900px){
  .footer__inner{grid-template-columns:minmax(200px,1fr) 2.6fr;gap:clamp(32px,5vw,64px)}
}
.footer__brand{display:grid;gap:8px;align-content:start}
.footer__brand-link{
  font-family:var(--font-display);font-weight:700;font-size:22px;
  letter-spacing:-.01em;color:#fff;line-height:1.3;
}
.footer__brand-note{font-size:13px;line-height:1.7;color:var(--c-deep-muted);max-width:34ch}
.footer__grid{display:grid;gap:26px;grid-template-columns:minmax(0,1fr)}
@media (min-width:560px){.footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer__grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.footer__col{min-width:0}
.footer__title{
  font-family:var(--font-sans);font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--c-yellow-500);line-height:1.5;
  padding-bottom:8px;margin-bottom:12px;
  border-bottom:2px solid rgba(124,199,154,.4);
}
.footer__list{display:grid;gap:10px}
.footer__link{
  display:inline-block;padding:2px 0;
  font-size:14px;line-height:1.6;color:#D7E2EA;
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.footer__link:hover,.footer__link:focus-visible{color:var(--c-yellow-500);border-bottom-color:var(--c-yellow-500)}
.footer__text{display:block;font-size:14px;line-height:1.7;color:var(--c-deep-muted);word-break:break-word}
.footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 24px;margin-top:clamp(24px,4vw,44px);padding-top:20px;
  border-top:2px solid rgba(124,199,154,.3);
}
.footer__icp,.footer__copy{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.02em;color:#8FA3B0;
  max-width:none;
}
.footer__legal{display:flex;flex-wrap:wrap;gap:8px 18px}

/* =========================================================
   基础组件
   ========================================================= */

/* 面包屑 */
.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.02em;
  color:var(--c-gray-500);
}
.breadcrumbs__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs__link{color:var(--c-green-600);border-bottom:1px solid rgba(30,127,79,.45)}
.breadcrumbs__link:hover{color:var(--c-navy-900);border-bottom-color:var(--c-yellow-500)}
.breadcrumbs__sep{color:var(--c-green-300)}

/* 卡片 */
.card{
  display:flex;flex-direction:column;gap:10px;
  padding:clamp(16px,2vw,22px);
  background:var(--c-paper-050);
  border:var(--line-strong);
  box-shadow:var(--shadow-hard);
}
.card--tint{background:var(--c-green-050);box-shadow:var(--shadow-hard-green)}
.card--deep{
  background:var(--c-navy-900);color:var(--c-deep-text);
  border-color:var(--c-navy-900);box-shadow:var(--shadow-hard-yellow);
}
.card--deep .card__title{color:#fff}
.card--deep .card__meta{color:var(--c-deep-muted)}
.card__title{font-family:var(--font-sans);font-weight:700;font-size:18px;line-height:1.35;letter-spacing:-.01em}
.card__meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--c-gray-500)}
.card__body{font-size:15px;line-height:1.8;color:var(--c-gray-500);max-width:60ch}
.card--deep .card__body{color:#C9D6DF}
.card__foot{margin-top:auto;padding-top:10px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}

/* 展开抽屉 */
.drawer{
  background:var(--c-paper-050);
  border:var(--line-strong);
  box-shadow:var(--shadow-hard-green);
}
.drawer+.drawer{margin-top:14px}
.drawer__summary{
  display:flex;align-items:center;gap:12px;
  min-height:54px;padding:12px 16px;
  font-weight:700;font-size:16px;letter-spacing:-.01em;
  cursor:pointer;list-style:none;background:var(--c-green-050);
  transition:background-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.drawer__summary::-webkit-details-marker{display:none}
.drawer__summary::after{
  content:"＋";margin-left:auto;font-family:var(--font-mono);
  font-size:18px;color:var(--c-green-600);
}
.drawer[open] > .drawer__summary{
  background:var(--c-yellow-100);
  border-bottom:3px solid var(--c-navy-900);
  transform:translateY(-2px);
}
.drawer[open] > .drawer__summary::after{content:"－";color:var(--c-navy-900)}
.drawer__body{padding:16px;display:grid;gap:12px}

/* 比分牌 */
.scoreboard{
  background:var(--c-navy-900);color:#fff;
  border:var(--line-strong);box-shadow:var(--shadow-hard-yellow);
  padding:clamp(14px,2vw,18px);
  display:grid;gap:10px;
}
.scoreboard__row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.scoreboard__team{font-family:var(--font-sans);font-weight:700;font-size:15px;letter-spacing:-.01em}
.scoreboard__num{
  font-family:var(--font-mono);font-weight:700;
  font-size:clamp(34px,5vw,56px);line-height:1;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.scoreboard__num--live{color:var(--c-yellow-500)}
.scoreboard__meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--c-deep-muted);max-width:none}

/* 技能树路径 */
.path{display:grid}
.path__step{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;
  padding:14px 0;border-bottom:2px dashed rgba(90,107,120,.4);
}
.path__step:last-child{border-bottom:0}
.path__node{
  width:30px;height:30px;display:grid;place-items:center;
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  background:var(--c-paper-050);border:3px solid var(--c-navy-900);
}
.path__step[data-state="done"] .path__node{background:var(--c-green-600);color:#fff}
.path__step[data-state="active"] .path__node{background:var(--c-yellow-500);color:var(--c-navy-900);box-shadow:3px 3px 0 0 var(--c-navy-900)}
.path__step[data-state="active"] .path__label{color:var(--c-green-600)}
.path__label{font-weight:700;font-size:15px;line-height:1.5}
.path__desc{font-size:14px;line-height:1.75;color:var(--c-gray-500);max-width:56ch}

/* 侧栏索引 */
.side-index{display:grid;gap:4px;border-left:3px solid var(--c-green-300);padding-left:14px}
.side-index__link{
  display:flex;align-items:center;min-height:38px;
  font-size:14px;color:var(--c-gray-500);
  transition:color var(--dur) var(--ease);
}
.side-index__link:hover{color:var(--c-ink-900)}
.side-index__link[aria-current="true"]{
  color:var(--c-ink-900);font-weight:700;
  margin-left:-17px;padding-left:14px;border-left:3px solid var(--c-yellow-500);
}

/* 媒体容器 */
.media{
  position:relative;display:block;overflow:hidden;isolation:isolate;
  aspect-ratio:16/10;
  background:var(--c-navy-700);
  border:var(--line-strong);
  box-shadow:var(--shadow-hard);
}
.media::after{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(135deg, rgba(30,127,79,.14), rgba(240,180,41,.09));
  mix-blend-mode:multiply;
}
.media--tint-green::after{background:rgba(30,127,79,.12)}
.media--tint-yellow::after{background:rgba(240,180,41,.13)}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:4/5}
.media--square{aspect-ratio:1/1}
.media--slant{clip-path:polygon(0 0,100% 0,100% calc(100% - 38px),0 100%)}
.media__img{width:100%;height:100%;object-fit:cover}
.media__ph{
  position:absolute;inset:0;z-index:1;display:grid;place-items:center;
  padding:14px;text-align:center;
  color:#AFC4D1;font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  background-color:var(--c-navy-700);
  background-image:
    repeating-linear-gradient(135deg, rgba(124,199,154,.18) 0 12px, rgba(124,199,154,0) 12px 24px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.05) 0 2px, rgba(255,255,255,0) 2px 26px);
}
.media__caption{margin-top:10px;font-size:13px;line-height:1.65;color:var(--c-gray-500);max-width:52ch}

/* 显现动画 */
html.js [data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity 380ms var(--ease),transform 380ms var(--ease);
}
html.js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 断点：桌面导航 ---------- */
@media (min-width:1024px){
  .nav-main{display:block}
  .nav-toggle{display:none}
  .nav-panel{display:none !important}
}
@media (max-width:1023px){
  .nav-panel[data-open]{
    display:block;
    position:absolute;left:0;right:0;top:100%;z-index:65;
    background:var(--c-paper-050);
    border-bottom:3px solid var(--c-navy-900);
    box-shadow:0 12px 0 -4px rgba(12,24,38,.16);
    max-height:calc(100vh - 76px);
    overflow-y:auto;overscroll-behavior:contain;
  }
}
@media (min-width:1600px){
  .league-band__inner{max-width:1520px}
}
@media (max-width:560px){
  .brand__tagline{display:none}
  .brand__name{font-size:17px}
  .brand__mark{width:32px;height:32px}
  .btn--score{padding:8px 11px;font-size:13px}
  .league-band__label{font-size:12px;padding:2px 8px}
  .topbar__inner{min-height:68px}
  .nav-panel[data-open]{max-height:calc(100vh - 68px)}
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.js [data-reveal]{opacity:1;transform:none}
  .league-band__link:hover,.league-band__link:focus-visible{transform:none}
  .btn:hover,.btn:active{transform:none}
}