/* ============================================================
   意昂体育赛场 · 共享样式  /assets/site.css
   夜赛蓝暗场 + 荧光青 / 高亮橙 的转播台体系
   ============================================================ */

:root{
  --ink-abyss:#070E1A;
  --ink-deep:#0C1728;
  --ink-panel:#132539;
  --line-steel:#24405C;
  --text-primary:#E8F1FA;
  --text-muted:#93A9BF;
  --accent-cyan:#2FE3D2;
  --accent-orange:#FF7A2F;
  --score-amber:#FFC24B;
  --sync-green:#3BE07A;
  --alert-coral:#FF4D6D;

  --wrap-max:1320px;
  --gutter:clamp(16px,3vw,40px);
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;

  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,"Times New Roman",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald","Roboto Condensed","Arial Narrow","PingFang SC",sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-panel:0 20px 44px -28px rgba(0,0,0,.9);
  --header-h:132px;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  background-color:var(--ink-abyss);
  background-image:
    radial-gradient(900px 520px at 6% -8%,rgba(47,227,210,.09),transparent 62%),
    radial-gradient(760px 460px at 97% -4%,rgba(255,122,47,.08),transparent 58%);
  background-repeat:no-repeat;
  color:var(--text-primary);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--accent-cyan);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:#7CF3E8}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.3;margin:0 0 .5em;letter-spacing:.01em}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px;border-radius:4px}
::selection{background:rgba(255,122,47,.38);color:#fff}

#main-content{display:block;scroll-margin-top:var(--header-h)}

/* ---------- 布局骨架 ---------- */
.wrap{width:100%;max-width:var(--wrap-max);margin-inline:auto;padding-inline:var(--gutter)}
.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}
.divider{height:1px;border:0;margin:0;background:var(--line-steel)}
.num{font-family:var(--font-num);font-weight:600;letter-spacing:.02em;line-height:1}

.scanlines{position:relative;isolation:isolate}
.scanlines::after{
  content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background-image:repeating-linear-gradient(0deg,rgba(232,241,250,.055) 0 1px,transparent 1px 5px);
  opacity:.85;
}

.skip-link{
  position:fixed;top:8px;left:50%;z-index:120;
  transform:translate(-50%,-160%);
  padding:10px 18px;border-radius:var(--r-pill);
  background:var(--accent-cyan);color:#04121A;font-weight:700;font-size:14px;text-decoration:none;
  transition:transform .18s var(--ease);
}
.skip-link:focus{transform:translate(-50%,0);color:#04121A}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line-steel);background:var(--ink-panel);color:var(--text-primary);
  font-family:var(--font-sans);font-size:14px;font-weight:500;line-height:1.2;
  text-decoration:none;cursor:pointer;
  transition:transform .18s var(--ease),border-color .18s,background .18s,color .18s;
}
.btn:hover{transform:translateY(-1px);border-color:rgba(47,227,210,.5)}
.btn--sm{padding:7px 13px;font-size:12.5px;letter-spacing:.04em}
.btn--primary{background:var(--accent-orange);border-color:var(--accent-orange);color:#1B0A00;font-weight:700}
.btn--primary:hover{background:#FF8F4F;border-color:#FF8F4F;color:#1B0A00}
.btn--ghost{background:transparent;color:var(--accent-cyan);border-color:rgba(47,227,210,.45)}
.btn--ghost:hover{background:rgba(47,227,210,.1);color:#7CF3E8}

/* ---------- 状态徽标 ---------- */
.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line-steel);background:var(--ink-panel);
  font-size:12px;letter-spacing:.08em;line-height:1.6;white-space:nowrap;
}
.status-pill__dot{
  width:8px;height:8px;border-radius:50%;background:var(--sync-green);flex:none;
  box-shadow:0 0 0 3px rgba(59,224,122,.18);
  animation:pulse 2s ease-in-out infinite;
}
.status-pill__label{color:var(--text-muted)}
.status-pill__value{font-family:var(--font-num);font-size:15px;letter-spacing:.06em;color:var(--accent-cyan)}
@keyframes pulse{
  0%,100%{opacity:1;box-shadow:0 0 0 3px rgba(59,224,122,.18)}
  50%{opacity:.6;box-shadow:0 0 0 7px rgba(59,224,122,.06)}
}

/* ============================================================
   头部
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,rgba(12,23,40,.99),rgba(8,16,28,.97));
  border-bottom:1px solid var(--line-steel);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.signal-bar{
  position:absolute;left:0;bottom:-1px;z-index:2;
  display:block;width:100%;height:2px;
  background:linear-gradient(90deg,var(--accent-cyan),var(--accent-orange));
  transform:scaleX(var(--progress,0));transform-origin:left center;
}

.masthead{padding-block:clamp(10px,1.4vw,16px);transition:padding .2s var(--ease)}
.masthead__inner{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;
  gap:clamp(12px,2vw,30px);
}
.masthead__side{display:flex;align-items:center;gap:10px;justify-self:end}

.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:var(--text-primary)}
.brand:hover{color:var(--text-primary)}
.brand__mark{
  position:relative;flex:none;width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--accent-cyan) 8%,var(--accent-orange) 92%);
  box-shadow:0 0 0 1px rgba(47,227,210,.28) inset;
}
.brand__mark::after{
  content:"";position:absolute;inset:8px 9px 9px 8px;border-radius:3px 9px 3px 9px;
  background:var(--ink-abyss);
}
.brand__text{display:block}
.brand__name{
  display:block;font-family:var(--font-serif);font-weight:700;
  font-size:clamp(19px,2vw,25px);line-height:1.1;letter-spacing:.02em;
}
.brand__en{
  display:block;font-family:var(--font-num);font-size:10px;letter-spacing:.3em;
  color:var(--text-muted);text-transform:uppercase;
}
.brand__line{
  margin:0;text-align:center;font-size:13px;letter-spacing:.06em;color:var(--text-muted);
}

.site-nav{position:relative;border-top:1px solid rgba(36,64,92,.7)}
.site-nav__inner{display:flex;align-items:center;gap:12px}

.nav-list{
  display:flex;align-items:center;gap:clamp(2px,1vw,10px);
  margin:0 auto;padding:0;list-style:none;max-width:100%;
  overflow-x:auto;scrollbar-width:thin;
  -webkit-overflow-scrolling:touch;
}
.nav-list__item{flex:none}
.nav-link{
  position:relative;display:block;padding:14px 12px;
  font-size:14.5px;letter-spacing:.04em;color:var(--text-muted);
  text-decoration:none;white-space:nowrap;
  transition:color .18s var(--ease),padding .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:8px;height:2px;border-radius:2px;
  background:var(--accent-cyan);transform:scaleX(0);transform-origin:left center;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--text-primary)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--text-primary);font-weight:600}
.nav-link[aria-current="page"]::after{transform:scaleX(1);background:var(--accent-cyan)}

.nav-toggle{
  display:none;flex:none;align-items:center;gap:9px;
  padding:8px 13px;border-radius:var(--r-md);
  border:1px solid var(--line-steel);background:var(--ink-panel);
  font-size:13px;font-weight:600;letter-spacing:.08em;cursor:pointer;
  transition:border-color .18s,background .18s;
}
.nav-toggle:hover{border-color:rgba(47,227,210,.5)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;justify-content:center;gap:3px;width:16px}
.nav-toggle__bars span{display:block;height:2px;border-radius:2px;background:var(--accent-cyan);transition:transform .2s var(--ease),opacity .16s}
.nav-toggle__text{color:var(--text-primary)}
.site-nav[data-open] .nav-toggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-nav[data-open] .nav-toggle__bars span:nth-child(2){opacity:0}
.site-nav[data-open] .nav-toggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.routebar{border-top:1px solid rgba(36,64,92,.5);background:rgba(7,14,26,.62)}
.routebar__inner{
  display:flex;align-items:center;gap:8px;
  padding-block:7px;overflow:hidden;white-space:nowrap;
  font-size:11.5px;letter-spacing:.14em;color:var(--text-muted);
}
.routebar__label{font-family:var(--font-num);letter-spacing:.24em;color:var(--accent-orange)}
.routebar__sep{color:var(--line-steel)}
.routebar__link{color:var(--text-muted);text-decoration:none}
.routebar__link:hover{color:var(--accent-cyan)}
.routebar__here{color:var(--text-primary)}

.site-header[data-compact] .masthead{padding-block:6px}
.site-header[data-compact] .brand__line{display:none}
.site-header[data-compact] .nav-link{padding-block:10px}
.site-header[data-compact] .routebar__inner{padding-block:4px}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  background:linear-gradient(180deg,var(--ink-deep),var(--ink-abyss) 88%);
  border-top:1px solid var(--line-steel);
  font-size:14px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent-cyan),var(--accent-orange),transparent);
  opacity:.75;
}

.footer-top{
  display:grid;grid-template-columns:minmax(230px,300px) 1fr;
  gap:clamp(24px,4vw,56px);
  padding-block:clamp(34px,5vw,62px);
}
.footer-brand__name{
  margin:0 0 10px;font-family:var(--font-serif);font-weight:700;
  font-size:21px;letter-spacing:.02em;
}
.footer-brand__line{margin:0;color:var(--text-muted);font-size:13.5px;max-width:32ch}
.footer-brand__meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

.footer-cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(18px,2.4vw,32px)}
.footer-col__index{
  margin:0;font-family:var(--font-num);font-size:12px;letter-spacing:.26em;color:var(--accent-orange);
}
.footer-col__title{
  margin:2px 0 12px;padding-bottom:10px;border-bottom:1px solid var(--line-steel);
  font-family:var(--font-serif);font-size:15px;font-weight:600;letter-spacing:.03em;
}
.footer-list{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.footer-list a{
  display:inline-block;color:var(--text-muted);font-size:13.5px;text-decoration:none;
  border-bottom:1px solid transparent;transition:color .16s,border-color .16s;
}
.footer-list a:hover{color:var(--accent-cyan);border-bottom-color:rgba(47,227,210,.5)}

.legal-bar{border-top:1px solid var(--line-steel);background:rgba(7,14,26,.72)}
.legal-bar__inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;
  padding-block:16px;
}
.legal-info{display:flex;flex-wrap:wrap;gap:8px 22px;margin:0;padding:0;list-style:none}
.legal-info__item{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--text-muted)}
.legal-info__label{font-size:11px;letter-spacing:.16em;color:var(--text-muted);opacity:.9}
.legal-info__value{color:var(--text-primary);font-size:13px}
.legal-info__value--num{font-family:var(--font-num);font-size:15px;letter-spacing:.06em;color:var(--accent-cyan)}
.copy-btn{
  padding:2px 9px;border-radius:var(--r-pill);
  border:1px solid rgba(47,227,210,.35);background:rgba(47,227,210,.08);
  color:var(--accent-cyan);font-size:11px;letter-spacing:.1em;line-height:1.7;cursor:pointer;
  transition:background .16s,color .16s;
}
.copy-btn:hover{background:rgba(47,227,210,.2);color:#7CF3E8}

.legal-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin:0 0 0 auto;padding:0;list-style:none;font-size:13px}
.legal-links a{color:var(--text-muted);text-decoration:none}
.legal-links a:hover{color:var(--accent-cyan)}

.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;
  padding-block:14px;border-top:1px solid rgba(36,64,92,.55);
  font-size:12.5px;color:var(--text-muted);
}
.footer-bottom__note{margin:0;max-width:70ch}
.footer-bottom__sign{margin:0;font-family:var(--font-num);letter-spacing:.08em}

/* ============================================================
   通用内容组件
   ============================================================ */
.eyebrow{
  display:inline-block;margin:0 0 6px;
  font-family:var(--font-num);font-size:11.5px;letter-spacing:.26em;
  color:var(--accent-cyan);text-transform:uppercase;
}
.lede{
  margin:0 0 1em;max-width:62ch;color:var(--text-primary);opacity:.88;
  font-size:clamp(15px,1.5vw,17px);line-height:1.85;
}

.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:8px 16px;
  padding-bottom:14px;margin:0 0 clamp(18px,2.4vw,28px);
  border-bottom:1px solid var(--line-steel);scroll-margin-top:var(--header-h);
}
.section-head__index{font-family:var(--font-num);font-size:13px;letter-spacing:.24em;color:var(--accent-orange)}
.section-head__title{margin:0;font-family:var(--font-serif);font-weight:700;font-size:clamp(22px,2.6vw,32px)}
.section-head__note{margin:0 0 4px auto;max-width:40ch;font-size:13px;color:var(--text-muted)}

.panel{
  padding:clamp(14px,2vw,20px);
  border:1px solid var(--line-steel);border-radius:var(--r-lg);
  background:var(--ink-panel);box-shadow:var(--shadow-panel);
}

.card{
  position:relative;display:block;padding:16px;
  border:1px solid var(--line-steel);border-radius:var(--r-md);
  background:linear-gradient(160deg,var(--ink-panel),var(--ink-deep));
  color:inherit;text-decoration:none;
  transition:border-color .18s var(--ease),transform .18s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:rgba(47,227,210,.55);color:inherit}
.card__label{display:block;font-family:var(--font-num);font-size:11px;letter-spacing:.22em;color:var(--accent-cyan)}
.card__title{margin:6px 0 4px;font-family:var(--font-serif);font-size:17px}
.card__meta{margin:0;font-size:12.5px;color:var(--text-muted)}

.tabs{display:block}
.tabs__list{
  display:flex;gap:6px;padding:6px;max-width:100%;
  border:1px solid var(--line-steel);border-radius:var(--r-pill);
  background:var(--ink-deep);overflow-x:auto;scrollbar-width:thin;
}
.tabs__tab{
  flex:none;padding:8px 16px;border:0;border-radius:var(--r-pill);
  background:transparent;color:var(--text-muted);
  font-size:13.5px;letter-spacing:.06em;white-space:nowrap;cursor:pointer;
  transition:background .18s,color .18s,box-shadow .18s;
}
.tabs__tab:hover{color:var(--text-primary)}
.tabs__tab[aria-selected="true"]{
  background:rgba(47,227,210,.14);color:var(--accent-cyan);
  box-shadow:inset 0 0 0 1px rgba(47,227,210,.5);
}
.tabs__panel{padding-top:18px;animation:panel-in .18s var(--ease)}
.tabs__panel[hidden]{display:none}
@keyframes panel-in{from{opacity:0;transform:translateX(8px)}to{opacity:1;transform:none}}

.chip-set{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 13px;border-radius:var(--r-pill);
  border:1px solid var(--line-steel);background:var(--ink-panel);
  color:var(--text-muted);font-size:13px;line-height:1.5;cursor:pointer;
  transition:border-color .16s,color .16s,background .16s;
}
.chip:hover{border-color:rgba(47,227,210,.45);color:var(--text-primary)}
.chip[aria-pressed="true"]{
  border-color:var(--accent-cyan);color:var(--accent-cyan);
  background:rgba(47,227,210,.12);box-shadow:0 0 0 1px rgba(47,227,210,.22);
}

.media-frame{
  position:relative;display:block;overflow:hidden;
  min-height:160px;border:1px solid var(--line-steel);border-radius:var(--r-lg);
  background:linear-gradient(150deg,var(--ink-panel),var(--ink-deep));
}
.media-frame img{display:block;width:100%;height:100%;object-fit:cover}
.media-frame__ph{
  position:absolute;inset:0;
  background:
    repeating-linear-gradient(0deg,rgba(232,241,250,.05) 0 1px,transparent 1px 6px),
    linear-gradient(140deg,var(--ink-panel),var(--ink-abyss));
}
.media-frame__tag{
  position:absolute;left:12px;bottom:12px;z-index:2;
  padding:5px 11px;border-radius:var(--r-sm);
  border:1px solid rgba(47,227,210,.4);background:rgba(7,14,26,.8);
  color:var(--accent-cyan);font-size:11px;letter-spacing:.14em;
}
.media-frame__caption{
  margin:8px 0 0;font-size:12.5px;color:var(--text-muted);letter-spacing:.04em;
}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}

.index-legend{
  display:flex;flex-wrap:wrap;gap:10px 24px;
  margin:0;padding:14px 16px;list-style:none;
  border:1px dashed var(--line-steel);border-radius:var(--r-md);
  background:rgba(19,37,57,.5);
}
.index-legend__item{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-muted)}
.index-legend__dot{width:9px;height:9px;border-radius:3px;background:var(--accent-cyan);flex:none}
.index-legend__dot--orange{background:var(--accent-orange)}
.index-legend__dot--amber{background:var(--score-amber)}
.index-legend__dot--green{background:var(--sync-green)}
.index-legend__dot--coral{background:var(--alert-coral)}

/* ---------- 显现动效（JS 开启才生效） ---------- */
.js [data-reveal]{
  opacity:0;transform:translateY(8px);
  transition:opacity .42s var(--ease),transform .42s var(--ease);
}
.js [data-reveal].is-visible{opacity:1;transform:none}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1080px){
  .footer-top{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:1023px){
  .masthead__inner{grid-template-columns:1fr auto}
  .brand__line{display:none}
}

@media (max-width:899px){
  :root{--header-h:118px}
  .masthead__side .btn{display:none}
  .site-nav__inner{flex-direction:column;align-items:stretch;gap:0}
  .nav-toggle{display:inline-flex;align-self:flex-end;margin:8px 0}
  .nav-list{
    flex-direction:column;align-items:stretch;gap:0;
    margin-inline:0;width:100%;
    max-height:0;opacity:0;overflow:hidden;
    transition:max-height .26s var(--ease),opacity .18s var(--ease);
  }
  .site-nav[data-open] .nav-list{max-height:72vh;opacity:1;overflow-y:auto;padding-bottom:10px}
  .nav-link{
    padding:12px 6px;font-size:15px;
    border-bottom:1px solid rgba(36,64,92,.5);
  }
  .nav-link::after{left:6px;right:auto;width:22px;bottom:5px}
  .routebar__inner{padding-block:6px;letter-spacing:.1em}
  .legal-links{margin-left:0}
  .footer-bottom{justify-content:flex-start}
}

@media (max-width:640px){
  .masthead__inner{gap:10px}
  .brand__en{display:none}
  .status-pill__label{display:none}
  .footer-cols{grid-template-columns:1fr}
  .legal-info{gap:6px 16px}
  .legal-info__value{font-size:12.5px}
  .legal-info__value--num{font-size:14px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .status-pill__dot{animation:none}
  .js [data-reveal]{opacity:1 !important;transform:none !important}
}