/* ===================================================================
   K体育赛场 · 共享站点样式 /assets/site.css
   夜间赛场控制台：深蓝黑底 + 荧光青结构线 + 信号橙行动点
   =================================================================== */

:root{
  --ink-950:#07111C;
  --navy-900:#0E1E2E;
  --slate-800:#132B3F;
  --white:#E8F4F8;
  --gray:#9DB2C1;
  --cyan:#00E5C0;
  --orange:#FF6B2C;
  --green:#3DDC84;
  --yellow:#FFD166;
  --purple:#7C5CFF;
  --line:#2A4256;

  --font-display:"Barlow Condensed","Oswald","Noto Sans SC","HarmonyOS Sans SC",system-ui,sans-serif;
  --font-body:"HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-label:"Noto Sans SC","HarmonyOS Sans SC",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --shell:1440px;
  --gutter:24px;
  --cut:10px;
  --ease:cubic-bezier(.2,.8,.2,1);
}

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:124px;
}
body,h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ul,ol{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}
a{color:inherit}
[hidden]{display:none!important}
::selection{background:var(--cyan);color:var(--ink-950)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* ---------- 2. 基础排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--ink-950);
  background-image:
    radial-gradient(1100px 520px at 88% -6%, rgba(0,229,192,.13), transparent 62%),
    radial-gradient(900px 520px at 0% 2%, rgba(124,92,255,.12), transparent 60%),
    linear-gradient(rgba(42,66,86,.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42,66,86,.16) 1px, transparent 1px);
  background-size:auto,auto,72px 72px,72px 72px;
  background-position:center top,left top,left top,left top;
  background-repeat:no-repeat,no-repeat,repeat,repeat;
  color:var(--white);
  font-family:var(--font-body);
  font-size:clamp(15.5px,.9vw,17px);
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.05;
  letter-spacing:-.015em;
  color:var(--white);
  text-wrap:balance;
}
p{max-width:74ch}
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}
.skip-link{
  position:fixed;top:-120px;left:16px;z-index:200;
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 20px;background:var(--cyan);color:#04211c;
  font-weight:700;font-size:.85rem;letter-spacing:.08em;text-decoration:none;
  border-radius:2px 2px 12px 2px;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:12px}
.status-dot{
  width:7px;height:7px;flex:0 0 auto;border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 0 rgba(61,220,132,.55);
  animation:dot-pulse 2.4s var(--ease) infinite;
}
@keyframes dot-pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(61,220,132,.5)}
  70%{box-shadow:0 0 0 7px rgba(61,220,132,0)}
}

/* ---------- 3. 头部框架 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,17,28,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  isolation:isolate;
}
.site-header::after{
  content:"";position:absolute;left:0;bottom:-1px;width:min(42vw,520px);height:2px;
  background:linear-gradient(90deg,var(--cyan),rgba(0,229,192,0));
  pointer-events:none;
}
.header-rail{
  position:fixed;top:0;bottom:0;left:0;width:1px;z-index:81;
  background:linear-gradient(180deg,var(--cyan),rgba(42,66,86,.9) 18%,rgba(42,66,86,.9));
  opacity:.45;pointer-events:none;
}
.header-shell{
  width:min(100% - 40px,var(--shell));
  margin-inline:auto;
}
.header-strip{
  display:flex;align-items:center;gap:16px;
  min-height:34px;
  border-bottom:1px solid rgba(42,66,86,.65);
  font-size:.68rem;letter-spacing:.14em;color:var(--gray);
}
.header-strip__label{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;letter-spacing:.1em;color:#b9cdda;
}
.header-strip__count{
  margin-left:auto;
  display:inline-flex;align-items:center;gap:8px;
  letter-spacing:.1em;
}
.header-strip__count-label{color:var(--gray)}
.countdown{
  color:var(--yellow);
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.04em;
}
.header-main{
  display:flex;align-items:center;gap:18px;
  min-height:64px;
  padding-block:10px;
}

/* 品牌 */
.brand{
  display:inline-flex;align-items:center;gap:10px;
  flex:0 0 auto;
  text-decoration:none;color:var(--white);
}
.brand__mark{
  display:grid;place-items:center;
  width:38px;height:38px;
  background:linear-gradient(150deg,var(--cyan),#00b39a);
  color:var(--ink-950);
  font-family:var(--font-display);font-weight:800;font-size:1.35rem;line-height:1;
  border-radius:2px 2px 10px 2px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.brand:hover .brand__mark{
  transform:translateY(-1px);
  box-shadow:0 8px 20px rgba(0,229,192,.25);
}
.brand__text{display:flex;flex-direction:column;line-height:1.05}
.brand__name{
  font-family:var(--font-display);
  font-weight:700;font-size:1.15rem;letter-spacing:.04em;
}
.brand__sub{
  font-family:var(--font-mono);
  font-size:.56rem;letter-spacing:.26em;color:var(--gray);
  margin-top:3px;
}

/* 导航 */
.site-nav{
  margin-left:auto;
  display:flex;align-items:center;gap:18px;
}
.site-nav__list{
  display:flex;align-items:center;gap:2px;
  counter-reset:nav-count;
}
.site-nav__item{display:flex;counter-increment:nav-count}
.site-nav__link{
  position:relative;
  display:inline-block;
  padding:8px 10px;
  color:var(--gray);
  font-family:var(--font-label);
  font-size:.82rem;font-weight:600;letter-spacing:.06em;
  text-decoration:none;
  border-radius:2px;
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.site-nav__link::before{
  content:"0" counter(nav-count);
  display:none;
  font-family:var(--font-mono);
  font-size:.64rem;
  letter-spacing:.06em;
  color:rgba(0,229,192,.8);
}
.site-nav__link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;
  background:var(--cyan);
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.site-nav__link:hover{color:var(--white);background:rgba(19,43,63,.55)}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--white)}
.site-nav__link[aria-current="page"]::after{
  transform:scaleX(1);
  background:var(--cyan);
}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
  padding:11px 18px;
  background:var(--orange);color:#180b04;
  font-family:var(--font-label);
  font-size:.78rem;font-weight:700;letter-spacing:.12em;
  text-decoration:none;
  border-radius:2px 2px 12px 2px;
  box-shadow:0 0 0 1px rgba(255,107,44,.35);
  transition:background-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.header-cta::after{content:"›";font-size:1.05rem;line-height:1;transform:translateY(-1px)}
.header-cta:hover{
  background:#ff8a58;
  transform:translateY(-1px);
  box-shadow:0 10px 24px rgba(255,107,44,.28);
}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;align-items:center;gap:9px;margin-left:auto;
  padding:9px 12px;
  border:1px solid var(--line);
  border-radius:2px 8px 2px 8px;
  color:var(--white);
  font-family:var(--font-label);
  font-size:.72rem;font-weight:600;letter-spacing:.16em;
  cursor:pointer;
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.nav-toggle:hover{color:var(--cyan);border-color:var(--cyan);background:rgba(0,229,192,.08)}
.nav-toggle__bars{display:grid;gap:5px;width:18px}
.nav-toggle__bars span{
  display:block;height:2px;background:currentColor;
  transition:transform .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}

/* 联赛筛选面板 */
.league-panel{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0 18px;
  border-top:1px dashed rgba(42,66,86,.9);
}
.league-panel__title{
  font-family:var(--font-mono);
  font-size:.66rem;letter-spacing:.18em;color:var(--gray);
  text-transform:uppercase;
  margin-right:4px;
}
.league-panel__status{
  margin-left:auto;
  font-size:.72rem;letter-spacing:.04em;color:var(--gray);
}

/* 票根式按钮 */
.chip,.chip-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 13px;
  border:1px solid var(--line);
  background:rgba(19,43,63,.75);
  color:#b8ccd8;
  font-family:var(--font-label);
  font-size:.72rem;font-weight:600;letter-spacing:.1em;
  border-radius:2px 9px 2px 9px;
  text-decoration:none;cursor:pointer;
  transition:color .16s var(--ease),background-color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.chip-btn--strip{padding:5px 10px;font-size:.66rem}
.chip:hover,.chip-btn:hover{
  color:var(--white);
  border-color:rgba(0,229,192,.65);
  background:rgba(0,229,192,.1);
}
.chip[aria-pressed="true"],.chip-btn[aria-expanded="true"]{
  background:var(--cyan);
  border-color:var(--cyan);
  color:#04211c;
  transform:translateY(-1px);
}

/* ---------- 4. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(64px,8vw,112px);
  background:
    radial-gradient(900px 380px at 85% 0%, rgba(0,229,192,.1), transparent 65%),
    linear-gradient(180deg,var(--navy-900),var(--ink-950) 55%);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--green) 28%,var(--yellow) 55%,var(--orange));
  opacity:.85;
}
.site-footer::after{
  content:"K";
  position:absolute;right:-.04em;bottom:-.3em;
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(180px,24vw,320px);line-height:.8;
  color:rgba(42,66,86,.22);
  pointer-events:none;user-select:none;
}
.footer-shell{
  position:relative;z-index:1;
  width:min(100% - 40px,var(--shell));
  margin-inline:auto;
  padding:clamp(40px,5vw,64px) 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .75fr .75fr 1.15fr;
  gap:clamp(24px,3vw,48px);
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:16px}
.brand--footer .brand__mark{width:34px;height:34px;font-size:1.2rem}
.brand--footer .brand__name{font-size:1.05rem}
.footer-brandline{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(1.25rem,2vw,1.6rem);
  line-height:1.2;letter-spacing:.01em;
  color:var(--white);
  max-width:16em;
}
.footer-stats{display:flex;flex-wrap:wrap;gap:8px}
.footer-stats li{
  display:flex;align-items:baseline;gap:6px;
  padding:5px 10px;
  border:1px solid rgba(42,66,86,.9);
  border-radius:2px 8px 2px 8px;
  background:rgba(19,43,63,.6);
}
.footer-stats__num{font-size:.95rem;font-weight:700;color:var(--cyan)}
.footer-stats__label{font-size:.66rem;letter-spacing:.1em;color:var(--gray)}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col__title{
  font-family:var(--font-label);
  font-size:.7rem;font-weight:600;letter-spacing:.2em;
  text-transform:uppercase;color:var(--white);
  padding-bottom:8px;
  border-bottom:1px solid rgba(42,66,86,.8);
}
.footer-col__list{display:flex;flex-direction:column;gap:2px}
.footer-link{
  display:inline-block;
  padding:5px 0;
  color:var(--gray);
  font-size:.88rem;
  text-decoration:none;
  transition:color .16s var(--ease),transform .16s var(--ease);
}
.footer-link:hover{color:var(--cyan);transform:translateX(3px)}
.footer-contact{
  display:flex;flex-direction:column;gap:8px;
  font-style:normal;
  font-size:.85rem;color:#b9cdda;
}
.footer-contact__row{display:flex;align-items:flex-start;gap:10px;line-height:1.6}
.footer-contact__label{
  flex:0 0 3em;
  padding-top:2px;
  font-size:.66rem;font-weight:600;letter-spacing:.12em;
  color:var(--cyan);
}
.footer-legal{
  margin-top:clamp(28px,4vw,44px);
  padding-top:16px;
  border-top:1px solid rgba(42,66,86,.8);
  display:flex;flex-wrap:wrap;align-items:center;
  gap:10px 24px;
  font-size:.76rem;color:#8fa6b5;
}
.footer-legal__copy,.footer-legal__icp{max-width:none}
.footer-legal__nav{display:flex;gap:18px;margin-left:auto}
.footer-legal__nav a{
  color:#a9bfcc;text-decoration:none;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.footer-legal__nav a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.footer-legal__note{
  flex:1 0 100%;
  margin-top:6px;
  max-width:82ch;
  font-size:.74rem;line-height:1.7;color:#7f95a4;
}

/* ---------- 5. 通用布局组件 ---------- */
.shell{width:min(100% - 40px,var(--shell));margin-inline:auto}
.section{padding-block:clamp(48px,6vw,88px)}
.section--tight{padding-block:clamp(32px,4vw,56px)}
.section-head{
  display:flex;flex-direction:column;gap:10px;
  margin-bottom:clamp(24px,3vw,40px);
  padding-left:16px;
  border-left:2px solid var(--cyan);
}
.section-head__num{
  font-family:var(--font-mono);
  font-size:.7rem;letter-spacing:.24em;color:var(--cyan);
}
.section-title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(1.6rem,3.4vw,2.6rem);
  line-height:1.02;letter-spacing:-.015em;
}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.7rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gray);
}
.ticket-label{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border:1px solid rgba(0,229,192,.5);
  background:rgba(0,229,192,.1);
  color:var(--cyan);
  font-family:var(--font-label);
  font-size:.7rem;font-weight:600;letter-spacing:.12em;
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);
}
.ticket-label--orange{
  border-color:rgba(255,107,44,.55);
  background:rgba(255,107,44,.12);
  color:#ffb38c;
}
.ticket-label--yellow{
  border-color:rgba(255,209,102,.55);
  background:rgba(255,209,102,.12);
  color:var(--yellow);
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 22px;
  border:1px solid transparent;
  border-radius:2px 2px 12px 2px;
  font-family:var(--font-label);
  font-size:.82rem;font-weight:600;letter-spacing:.1em;
  text-decoration:none;cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn--primary{
  background:var(--orange);color:#180b04;
  box-shadow:0 0 0 1px rgba(255,107,44,.35);
}
.btn--primary:hover{
  background:#ff8a58;transform:translateY(-1px);
  box-shadow:0 10px 24px rgba(255,107,44,.25);
}
.btn--ghost{
  border-color:var(--line);
  background:rgba(19,43,63,.5);
  color:var(--white);
}
.btn--ghost:hover{
  border-color:var(--cyan);color:var(--cyan);
  background:rgba(0,229,192,.1);
}
.btn--sm{padding:9px 16px;font-size:.75rem}
.btn--block{width:100%}

/* 面包屑 */
.breadcrumbs{padding-block:18px 0}
.breadcrumbs__list{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-size:.74rem;letter-spacing:.08em;color:var(--gray);
}
.breadcrumbs__item{display:inline-flex;align-items:center;gap:6px}
.breadcrumbs__item + .breadcrumbs__item::before{
  content:"/";margin-right:2px;color:var(--line);
}
.breadcrumbs__link{
  color:var(--gray);text-decoration:none;
  transition:color .16s var(--ease);
}
.breadcrumbs__link:hover{color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--white)}

/* 网格与分屏 */
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gutter)}
.span-4{grid-column:span 4}
.span-6{grid-column:span 6}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}
.split{
  display:grid;
  grid-template-columns:minmax(260px,340px) minmax(0,1fr);
  gap:clamp(24px,3vw,48px);
  align-items:start;
}
.rail{position:sticky;top:124px;align-self:start}
.stack{display:flex;flex-direction:column;gap:var(--stack-gap,16px)}

/* 长文 */
.prose{
  max-width:68ch;
  color:#c8dae4;
  font-size:1rem;
  line-height:1.8;
}
.prose > * + *{margin-top:1em}
.prose h3,.prose h4{
  font-size:1.25rem;
  margin-top:1.6em;
  color:var(--white);
}
.prose ul,.prose ol{display:flex;flex-direction:column;gap:.5em}
.prose ul li{position:relative;padding-left:18px}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:2px;background:var(--cyan);
}
.prose ol{counter-reset:prose}
.prose ol li{position:relative;padding-left:26px;counter-increment:prose}
.prose ol li::before{
  content:counter(prose,decimal-leading-zero);
  position:absolute;left:0;top:.12em;
  font-family:var(--font-mono);font-size:.75rem;color:var(--cyan);
}
.prose a{
  color:var(--cyan);text-decoration:none;
  border-bottom:1px solid rgba(0,229,192,.4);
}
.prose a:hover{border-bottom-color:var(--cyan)}
.prose strong{color:var(--white);font-weight:600}
.prose blockquote{
  border-left:2px solid var(--orange);
  padding-left:16px;
  color:#dbe9f0;font-size:1.05rem;
}

/* 图片容器基础规则 */
.media-frame{
  position:relative;overflow:hidden;isolation:isolate;
  background:var(--slate-800);
  border:1px solid var(--line);
  border-radius:2px 2px 14px 2px;
}
.media-frame__img,.media-frame img{
  display:block;width:100%;height:100%;
  object-fit:cover;
}
.media-frame::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(150deg,rgba(0,229,192,.22),transparent 42%,rgba(255,107,44,.2));
  mix-blend-mode:screen;
  pointer-events:none;
}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--1x1{aspect-ratio:1/1}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--diagonal{clip-path:polygon(0 0,100% 0,100% calc(100% - 9%),0 100%)}
.media-frame--placeholder{
  background-image:
    repeating-linear-gradient(45deg,rgba(42,66,86,.55) 0 2px,transparent 2px 14px),
    linear-gradient(180deg,var(--slate-800),var(--navy-900));
}
.media-frame__caption{
  position:absolute;left:12px;bottom:12px;z-index:2;
  padding:5px 10px;
  background:rgba(7,17,28,.82);
  border:1px solid var(--line);
  border-radius:2px 8px 2px 8px;
  font-family:var(--font-mono);
  font-size:.66rem;letter-spacing:.14em;color:var(--cyan);
}
.media-frame--diagonal .media-frame__caption{left:16px;bottom:18px}

/* 筛选进入动画 */
[data-filter-item]{transition:opacity .2s var(--ease),transform .2s var(--ease)}
[data-filter-item].is-entering{animation:card-enter .24s var(--ease) both}
@keyframes card-enter{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:translateY(0)}
}

/* ---------- 6. 响应式 ---------- */
@media (max-width:1180px){
  .site-nav{gap:12px}
  .site-nav__link{padding:8px 7px;font-size:.78rem}
  .brand__sub{display:none}
  .header-cta{padding:10px 14px;font-size:.74rem}
}
@media (max-width:1080px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
  .footer-legal__nav{margin-left:0}
}
@media (max-width:980px){
  .header-rail{display:none}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed;left:0;right:0;bottom:0;top:auto;z-index:95;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    margin:0;
    padding:18px 20px calc(24px + env(safe-area-inset-bottom));
    max-height:86vh;overflow-y:auto;
    background:linear-gradient(180deg,var(--navy-900),var(--ink-950) 72%);
    border-top:2px solid var(--cyan);
    box-shadow:0 -24px 60px rgba(0,0,0,.6);
    transform:translateY(110%);
    visibility:hidden;
    transition:transform .24s var(--ease),visibility .24s var(--ease);
  }
  .site-nav[data-open]{transform:translateY(0);visibility:visible}
  .site-nav::before{
    content:"选择栏目";
    font-family:var(--font-mono);
    font-size:.68rem;letter-spacing:.24em;color:var(--gray);
    padding-bottom:12px;
  }
  .site-nav__list{
    display:grid;grid-template-columns:1fr 1fr;gap:0 18px;
  }
  .site-nav__link{
    display:flex;align-items:center;gap:10px;
    padding:14px 2px;
    font-size:.95rem;
    border-bottom:1px solid rgba(42,66,86,.55);
    border-radius:0;
  }
  .site-nav__link::before{display:inline}
  .site-nav__link::after{display:none}
  .site-nav__link[aria-current="page"]{color:var(--cyan);background:none}
  .header-cta{
    margin-top:18px;justify-content:center;
    padding:14px 18px;font-size:.82rem;
  }
  html.nav-open,html.nav-open body{overflow:hidden}
}
@media (max-width:820px){
  .split{grid-template-columns:1fr}
  .rail{position:static;top:auto;display:flex;flex-wrap:wrap;gap:8px}
  .span-4,.span-6,.span-8{grid-column:span 12}
  .section-head{padding-left:12px}
  body{background-attachment:scroll,scroll,scroll,scroll}
}
@media (max-width:640px){
  .header-shell,.shell,.footer-shell{width:min(100% - 28px,var(--shell))}
  .header-strip{gap:10px}
  .header-strip__label{display:none}
  .header-strip__count{margin-left:0}
  .chip-btn--strip{margin-left:auto}
  .header-main{gap:10px;min-height:58px}
  .brand__name{font-size:1.05rem}
  .brand__mark{width:34px;height:34px;font-size:1.2rem}
  .footer-grid{grid-template-columns:1fr}
  .footer-brandline{max-width:none}
  .footer-legal{flex-direction:column;align-items:flex-start;gap:8px}
  .footer-legal__nav{flex-wrap:wrap;gap:14px}
  .footer-stats{gap:6px}
}
@media (max-width:420px){
  .site-nav__list{grid-template-columns:1fr}
  .league-panel__status{margin-left:0;flex-basis:100%}
}

/* ---------- 7. 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;
    scroll-behavior:auto!important;
  }
  .status-dot{animation:none}
}