/* =========================================================
   欧宝体育看台 · shared site kit
   file: /assets/site.css
   ========================================================= */

/* ---------- 1. tokens ---------- */
:root{
  --ink-900:#0A1F18;
  --ink-950:#0E1110;
  --panel:#153027;
  --paper:#F2E6CE;
  --cyan:#39F2D0;
  --orange:#FF6A2B;
  --amber:#F4B63F;
  --mist:#A9B7B0;
  --brown:#2A2018;
  --focus:#FFE066;

  --line:rgba(169,183,176,.16);
  --line-strong:rgba(169,183,176,.34);
  --line-amber:rgba(244,182,63,.26);

  --r-xl:30px;
  --r-lg:22px;
  --r-md:14px;
  --r-sm:9px;
  --pill:999px;

  --wrap:1180px;
  --gutter:clamp(16px,4vw,40px);
  --gap:clamp(16px,2.4vw,26px);
  --tap:44px;

  --dur:190ms;
  --ease:cubic-bezier(.22,.68,.28,1);

  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-display:"Arial Narrow","Oswald","Barlow Condensed","Noto Sans SC",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---------- 2. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  background:#0A1F18;
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:150px;
}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0}
ul,ol{margin:0;padding:0}
[hidden]{display:none !important}
::selection{background:var(--cyan);color:#08150F}

/* ---------- 3. base typography ---------- */
body{
  min-height:100vh;
  font-family:var(--font-sans);
  font-size:15px;
  line-height:1.7;
  letter-spacing:.01em;
  font-weight:400;
  color:var(--paper);
  background-color:var(--ink-900);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-stretch:condensed;
  font-weight:800;
  line-height:1.06;
  letter-spacing:-.02em;
  text-wrap:balance;
  color:var(--paper);
}
h1{font-size:clamp(2rem,4.9vw,3.9rem)}
h2{font-size:clamp(1.55rem,3vw,2.4rem)}
h3{font-size:clamp(1.15rem,1.9vw,1.5rem);letter-spacing:-.01em}
h4{font-size:1rem;letter-spacing:0}
p{text-wrap:pretty;max-width:72ch}
small{font-size:12.5px}
a{color:var(--cyan);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:#8CFDE9}

/* ---------- 4. focus & a11y ---------- */
:focus-visible{
  outline:2px solid var(--focus);
  outline-offset:3px;
  border-radius:6px;
}
.skip-link{
  position:fixed;
  top:0;
  left:16px;
  z-index:999;
  transform:translateY(-140%);
  padding:11px 20px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:#10130F;
  background:var(--focus);
  border-radius:0 0 var(--r-sm) var(--r-sm);
  text-decoration:none;
  transition:transform 160ms var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{transform:translateY(0);color:#10130F}
.visually-hidden{
  position:absolute;
  width:1px;height:1px;
  margin:-1px;padding:0;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

/* ---------- 5. header ---------- */
.site-header{
  position:relative;
  z-index:120;
  background:var(--ink-950);
  color:var(--paper);
  border-bottom:1px solid var(--line);
  box-shadow:0 16px 32px -30px #000;
}
@media (min-width:900px){
  .site-header{position:sticky;top:0}
}

.masthead{
  border-bottom:1px solid var(--line-amber);
}
.masthead__inner{
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(12px,1.5vw,18px) var(--gutter);
  display:grid;
  grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;
  gap:clamp(12px,2vw,28px);
  transition:padding-block var(--dur) var(--ease);
}
.site-header.is-condensed .masthead__inner{padding-block:8px}

.masthead__aside{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:11px;
  letter-spacing:.14em;
  color:var(--mist);
  min-width:0;
}
.masthead__aside--end{justify-content:flex-end;gap:8px;flex-wrap:wrap}
.masthead__tagline{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.18em;
  color:var(--mist);
  white-space:nowrap;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:4px 11px;
  border-radius:var(--pill);
  border:1px solid var(--line-amber);
  background:rgba(244,182,63,.09);
  color:var(--amber);
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.14em;
  line-height:1.4;
  white-space:nowrap;
}
.badge::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--amber);
  box-shadow:0 0 0 3px rgba(244,182,63,.16);
}

.brand{
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  gap:3px;
  padding:2px 12px;
  text-decoration:none;
  color:var(--paper);
}
.brand__name{
  font-family:var(--font-display);
  font-stretch:condensed;
  font-weight:800;
  font-size:clamp(19px,2.5vw,29px);
  line-height:1;
  letter-spacing:.1em;
  text-indent:.1em;
  color:var(--paper);
  transition:color var(--dur) var(--ease);
}
.brand__sub{
  font-family:var(--font-mono);
  font-size:9px;
  letter-spacing:.34em;
  text-indent:.34em;
  color:var(--mist);
}
.brand:hover .brand__name,
.brand:focus-visible .brand__name{color:var(--cyan)}

.pill-link{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:0 14px;
  border-radius:var(--pill);
  border:1px solid var(--line-strong);
  color:var(--mist);
  font-size:12px;
  letter-spacing:.06em;
  text-decoration:none;
  white-space:nowrap;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.pill-link:hover,
.pill-link:focus-visible{
  color:var(--cyan);
  border-color:var(--cyan);
  background:rgba(57,242,208,.09);
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  min-height:var(--tap);
  padding:0 15px;
  border-radius:var(--pill);
  border:1px solid var(--line-strong);
  color:var(--paper);
  font-size:13px;
  letter-spacing:.1em;
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:currentColor;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform var(--dur) var(--ease);
}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.nav-toggle__label{font-family:var(--font-mono);font-size:11px}

.site-nav{border-top:1px solid rgba(169,183,176,.1)}
.site-nav__list{
  max-width:var(--wrap);
  margin-inline:auto;
  padding:6px var(--gutter);
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:4px;
  list-style:none;
}
.site-nav__item{display:block}
.site-nav__link{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 16px;
  border-radius:var(--pill);
  color:var(--mist);
  font-size:13.5px;
  letter-spacing:.05em;
  text-decoration:none;
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-nav__link:hover,
.site-nav__link:focus-visible{
  color:var(--paper);
  background:var(--panel);
}
.site-nav__link[aria-current="page"]{
  color:var(--cyan);
  font-weight:700;
  background:rgba(57,242,208,.09);
  box-shadow:inset 0 -2px 0 0 var(--orange);
}

.league-strip{
  background:#08130F;
  border-top:1px solid rgba(169,183,176,.1);
}
.league-strip__inner{
  max-width:var(--wrap);
  margin-inline:auto;
  padding:9px var(--gutter);
  display:flex;
  align-items:center;
  gap:14px;
}
.league-strip__label{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.2em;
  color:var(--mist);
  white-space:nowrap;
  flex:0 0 auto;
}
.league-strip__group{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  min-width:0;
}
.league-chip{
  min-height:32px;
  padding:0 13px;
  border-radius:var(--pill);
  border:1px solid rgba(169,183,176,.26);
  color:var(--mist);
  font-size:12px;
  letter-spacing:.04em;
  white-space:nowrap;
  cursor:pointer;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.league-chip:hover,
.league-chip:focus-visible{color:var(--paper);border-color:var(--line-strong)}
.league-chip[aria-pressed="true"]{
  background:var(--orange);
  border-color:var(--orange);
  color:#180A03;
  font-weight:700;
}
.league-strip__pin{
  margin-left:auto;
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--amber);
  text-decoration:none;
  border-bottom:1px solid rgba(244,182,63,.36);
  padding-bottom:1px;
  white-space:nowrap;
}
.league-strip__pin:hover,
.league-strip__pin:focus-visible{color:var(--paper);border-bottom-color:var(--paper)}

/* ---------- 6. footer ---------- */
.site-footer{
  margin-top:clamp(32px,6vw,72px);
  background:var(--ink-950);
  color:var(--paper);
  border-top:1px solid var(--line-amber);
}
.footer__inner{
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(32px,5vw,58px) var(--gutter) 0;
}
.footer__grid{
  display:grid;
  grid-template-columns:1.25fr 2.1fr 1.15fr;
  gap:clamp(22px,3.4vw,44px);
  padding-bottom:clamp(26px,4vw,42px);
}
.footer__brand{min-width:0}
.footer__brand-link{
  display:inline-block;
  font-family:var(--font-display);
  font-stretch:condensed;
  font-weight:800;
  font-size:clamp(20px,2.4vw,27px);
  letter-spacing:.1em;
  line-height:1.1;
  color:var(--paper);
  text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.footer__brand-link:hover,
.footer__brand-link:focus-visible{color:var(--cyan)}
.footer__brand-note{
  margin-top:12px;
  max-width:19em;
  font-size:13px;
  line-height:1.75;
  color:var(--mist);
}
.footer__brand .badge{margin-top:16px}

.footer__nav{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,3vw,32px);
}
.footer__col{min-width:0}
.footer__col-title{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.2em;
  color:var(--amber);
  margin-bottom:12px;
  padding-bottom:9px;
  border-bottom:1px solid rgba(169,183,176,.14);
}
.footer__list{
  list-style:none;
  display:grid;
  gap:4px;
}
.footer__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:32px;
  color:var(--mist);
  font-size:13.5px;
  line-height:1.5;
  text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.footer__link::before{
  content:"";
  width:7px;height:1px;
  background:currentColor;
  opacity:.55;
  transition:width var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.footer__link:hover,
.footer__link:focus-visible{color:var(--cyan)}
.footer__link:hover::before,
.footer__link:focus-visible::before{width:14px;background:var(--orange);opacity:1}

.footer__contact{
  background:var(--paper);
  color:var(--brown);
  border-radius:var(--r-lg);
  padding:18px 20px 20px;
}
.footer__contact .footer__col-title{
  color:#7A4212;
  border-bottom-color:rgba(42,32,24,.22);
}
.footer__contact-line{
  font-size:12.5px;
  line-height:1.72;
  color:#3B2C21;
  max-width:100%;
  word-break:break-word;
}
.footer__contact-line + .footer__contact-line{margin-top:6px}
.footer__contact-line strong{
  display:inline-block;
  margin-right:6px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.14em;
  color:#7A4212;
}

.footer__base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  padding:18px 0 26px;
  border-top:1px solid rgba(169,183,176,.14);
  font-size:12px;
  color:var(--mist);
}
.footer__legal{margin:0;max-width:none}
.footer__icp{
  font-family:var(--font-mono);
  letter-spacing:.06em;
  color:var(--amber);
  margin:0;
}
.footer__legal-links{
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  margin-left:auto;
  list-style:none;
}
.footer__legal-links a{
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:1px;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.footer__legal-links a:hover,
.footer__legal-links a:focus-visible{
  color:var(--cyan);
  border-bottom-color:var(--cyan);
}

/* ---------- 7. layout primitives ---------- */
.page-wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(24px,4vw,52px) var(--gutter);
}
.page-wrap--narrow{max-width:860px}

.section{padding-block:clamp(26px,4.6vw,60px)}
.section__head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px 26px;
  margin-bottom:clamp(16px,2.4vw,28px);
}
.section__index{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.24em;
  color:var(--orange);
  margin-bottom:8px;
}
.section__title{max-width:22em}
.section__note{
  font-size:13px;
  line-height:1.75;
  color:var(--mist);
  max-width:34em;
}

.stack{display:grid;gap:clamp(14px,2.6vw,26px)}
.stack--tight{gap:10px}

.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.span-2{grid-column:span 2}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-9{grid-column:span 9}
.span-10{grid-column:span 10}

/* ---------- 8. components ---------- */
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:clamp(18px,3vw,34px);
}
.panel--deep{background:var(--ink-950);border-color:rgba(169,183,176,.12)}
.panel--flush{padding:0;overflow:hidden}
.panel--offset{margin-left:clamp(0px,1.8vw,26px)}
.panel--paper{
  background:var(--paper);
  color:var(--brown);
  border-color:rgba(42,32,24,.14);
}
.panel--paper h2,
.panel--paper h3,
.panel--paper h4{color:var(--ink-900)}
.panel--paper a{color:#0F5B4C}
.panel--paper a:hover{color:#0A1F18}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:var(--tap);
  padding:0 22px;
  border-radius:var(--pill);
  border:1px solid transparent;
  font-size:14px;
  font-weight:700;
  letter-spacing:.03em;
  text-decoration:none;
  cursor:pointer;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--orange);color:#180A03;box-shadow:0 12px 26px -18px rgba(255,106,43,.9)}
.btn--primary:hover{background:#FF7F49;color:#180A03}
.btn--ghost{border-color:var(--line-strong);color:var(--paper);background:transparent}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(57,242,208,.08)}
.btn--line{border-color:transparent;color:var(--cyan);padding-inline:6px;text-decoration:underline;text-underline-offset:5px}
.btn--line:hover{color:var(--paper);transform:none}

.crumbs{margin-bottom:clamp(16px,2.4vw,26px)}
.crumbs__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  list-style:none;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--mist);
}
.crumbs__list li{display:inline-flex;align-items:center;gap:8px}
.crumbs__list li + li::before{content:"/";color:rgba(169,183,176,.45)}
.crumbs__list a{
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.crumbs__list a:hover,
.crumbs__list a:focus-visible{color:var(--cyan);border-bottom-color:var(--cyan)}
.crumbs__list [aria-current="page"]{color:var(--paper)}

.index-tag{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--mist);
}
.index-tag::before{
  content:"";
  width:16px;height:1px;
  background:var(--orange);
  flex:0 0 auto;
}
.index-tag--amber{color:var(--amber)}
.index-tag--amber::before{background:var(--amber)}

.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  letter-spacing:.04em;
}

.rule-orange{
  display:block;
  width:clamp(48px,9vw,92px);
  height:4px;
  border-radius:var(--pill);
  background:var(--orange);
  border:0;
}

/* ---------- 9. media containers ---------- */
.figure{
  position:relative;
  display:block;
  margin:0;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--ink-950);
  aspect-ratio:16 / 9;
  isolation:isolate;
}
.figure > img,
.figure > svg,
.figure > picture,
.figure > picture > img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.figure--16x9{aspect-ratio:16 / 9}
.figure--4x3{aspect-ratio:4 / 3}
.figure--1x1{aspect-ratio:1 / 1}
.figure--tall{aspect-ratio:3 / 4}
.figure--contain{background:var(--panel)}
.figure--contain > img,
.figure--contain > svg,
.figure--contain > picture > img{object-fit:contain}
.figure__caption{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:2;
  padding:11px 16px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--paper);
  background:rgba(10,31,24,.86);
  border-top:1px solid rgba(57,242,208,.22);
}

/* ---------- 10. responsive ---------- */
@media (max-width:1024px){
  .footer__grid{grid-template-columns:1fr 1fr}
  .footer__contact{grid-column:1 / -1}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .span-2,.span-3,.span-4{grid-column:span 6}
  .span-5,.span-6,.span-7,.span-8,.span-9,.span-10{grid-column:span 12}
}

@media (max-width:899px){
  html{scroll-padding-top:16px}
  .site-header{position:relative}
  .masthead__inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding-block:11px;
  }
  .masthead__aside{display:none}
  .brand{align-items:flex-start;padding:0;text-align:left}
  .nav-toggle{display:inline-flex}
  .site-nav{display:none;border-top:1px solid var(--line)}
  .site-header[data-open] .site-nav{display:block}
  .site-nav__list{
    flex-direction:column;
    align-items:stretch;
    padding:8px var(--gutter) 14px;
    gap:2px;
  }
  .site-nav__link{
    width:100%;
    min-height:46px;
    justify-content:flex-start;
    border-radius:var(--r-sm);
    padding:0 14px;
  }
  .site-header[data-open] .nav-toggle{border-color:var(--cyan);color:var(--cyan)}
  .site-header[data-open] .nav-toggle__bars{background:transparent}
  .site-header[data-open] .nav-toggle__bars::before{transform:translateY(6px) rotate(45deg)}
  .site-header[data-open] .nav-toggle__bars::after{transform:translateY(-6px) rotate(-45deg)}
  .league-strip__inner{flex-wrap:wrap;gap:8px;padding-block:10px}
  .league-strip__label{display:none}
  .league-strip__group{
    flex-wrap:nowrap;
    overflow-x:auto;
    max-width:100%;
    padding-bottom:3px;
    scrollbar-width:thin;
  }
  .league-chip{min-height:40px;flex:0 0 auto}
  .league-strip__pin{margin-left:0;padding-bottom:2px}
  .footer__nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__legal-links{margin-left:0}
}

@media (max-width:720px){
  body{font-size:14.5px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .grid--12{grid-template-columns:1fr}
  .span-2,.span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-9,.span-10{grid-column:1 / -1}
  .panel--offset{margin-left:0}
  .section__head{align-items:flex-start}
  .footer__grid{grid-template-columns:1fr}
  .footer__contact{grid-column:auto}
  .btn{width:100%;padding-inline:18px}
  .btn--line{width:auto}
}

@media (max-width:420px){
  .footer__nav{grid-template-columns:1fr}
  .badge{font-size:9.5px;letter-spacing:.1em}
  .footer__base{flex-direction:column;align-items:flex-start}
}

/* ---------- 11. reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .btn:hover,.site-header.is-condensed .masthead__inner{transform:none}
}