/* ============================================================
   开云竞猜 · 共享样式表 /assets/site.css
   ============================================================ */

:root{
  --ink-900:#0A1224;
  --ink-800:#101B33;
  --ink-700:#16233F;
  --line:#24334F;
  --green:#3DFF9E;
  --green-dim:#1FA97A;
  --orange:#FF8A3D;
  --orange-dim:#D9631F;
  --cyan:#35D7FF;
  --violet:#7C6BFF;
  --text:#F2F6FF;
  --muted:#A8B6CF;
  --alert:#FF5A6E;

  --rail:0px;
  --maxw:1440px;
  --gutter:clamp(16px,3vw,32px);

  --font-display:'Inter Tight','Noto Sans SC','PingFang SC',sans-serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'JetBrains Mono','IBM Plex Mono',ui-monospace,monospace;
}

@media (min-width:1200px){
  :root{ --rail:88px; }
}

/* ---------- reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; text-size-adjust:100%; }
html.is-locked{ overflow:hidden; }
body{
  margin:0;
  padding-left:var(--rail);
  background-color:var(--ink-900);
  background-image:
    linear-gradient(to right, rgba(36,51,79,.40) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36,51,79,.40) 1px, transparent 1px);
  background-size:88px 88px;
  color:var(--text);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  -webkit-tap-highlight-color:rgba(61,255,158,.16);
}
@media (min-width:1024px){ body{ background-attachment:fixed; } }

h1,h2,h3,h4{
  margin:0;
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.01em;
  color:var(--text);
}
h1{ font-size:clamp(34px,5vw,64px); }
h2{ font-size:clamp(24px,3vw,34px); }
h3{ font-size:clamp(18px,2vw,22px); }
h4{ font-size:18px; font-weight:700; }
p{ margin:0; }
ul,ol{ margin:0; padding:0; list-style:none; }
img,svg{ display:block; max-width:100%; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
a{ color:inherit; text-decoration:none; }
table{ border-collapse:collapse; width:100%; }
[id]{ scroll-margin-top:120px; }

:focus-visible{ outline:2px solid var(--green); outline-offset:2px; }

.link,
.prose a{
  color:var(--cyan);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
}
.link:hover,
.prose a:hover{ color:var(--green); }

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:10px;
  left:calc(var(--rail) + 10px);
  z-index:200;
  display:inline-block;
  padding:10px 18px;
  background:var(--green);
  color:#06110C;
  font-weight:700;
  font-size:14px;
  letter-spacing:.02em;
  transform:translateY(-180%);
  transition:transform .18s ease;
}
.skip-link:focus,
.skip-link:focus-visible{ transform:none; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:fixed;
  top:0;
  left:var(--rail);
  right:0;
  z-index:60;
}
.site-header__bar{
  position:relative;
  z-index:3;
  padding-block:16px;
  background:linear-gradient(180deg, rgba(10,18,36,.92) 0%, rgba(10,18,36,.58) 58%, rgba(10,18,36,0) 100%);
  border-bottom:1px solid transparent;
  transition:padding .25s ease, background-color .25s ease, border-color .25s ease;
}
.site-header[data-scrolled] .site-header__bar{
  padding-block:9px;
  background:rgba(10,18,36,.95);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.site-header__inner{
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,28px);
}

/* brand */
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text);
}
.brand__mark{
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border:1px solid var(--green);
  color:var(--green);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  background:rgba(61,255,158,.06);
}
.brand__text{ display:flex; flex-direction:column; line-height:1.1; }
.brand__name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:17px;
  letter-spacing:.02em;
}
.brand__tag{
  margin-top:3px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.14em;
  color:var(--muted);
  text-transform:uppercase;
}

/* nav */
.nav{ margin-left:auto; }
.nav__list{ display:flex; align-items:center; gap:2px; }
.nav__link{
  display:inline-block;
  padding:9px 12px;
  color:var(--muted);
  font-size:14.5px;
  letter-spacing:.02em;
  border-bottom:2px solid transparent;
  transition:color .18s ease, border-color .18s ease, background-color .18s ease;
}
.nav__link:hover{ color:var(--text); background:rgba(61,255,158,.07); }
.nav__link[aria-current="page"]{ color:var(--green); border-bottom-color:var(--green); }

/* header tools */
.header-tools{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  position:relative;
  z-index:4;
}
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:9px 12px;
  border:1px solid var(--line);
  color:var(--text);
  font-size:13px;
  letter-spacing:.06em;
  background:rgba(255,255,255,.02);
  transition:border-color .18s ease, color .18s ease;
}
.nav-toggle:hover{ border-color:var(--green); color:var(--green); }
.nav-toggle__bars{ position:relative; width:16px; height:10px; display:block; }
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:'';
  position:absolute;
  left:0; right:0;
  height:1.5px;
  background:currentColor;
  transition:transform .2s ease, top .2s ease, bottom .2s ease;
}
.nav-toggle__bars::before{ top:0; }
.nav-toggle__bars::after{ bottom:0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{ top:50%; transform:rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{ bottom:50%; transform:rotate(-45deg); }
.nav-toggle__text{ font-size:12px; letter-spacing:.1em; }

/* price ticker */
.ticker{
  position:relative;
  z-index:2;
  max-height:52px;
  overflow:hidden;
  background:rgba(16,27,51,.78);
  border-bottom:1px solid var(--line);
  transition:max-height .25s ease, opacity .2s ease, border-color .25s ease;
}
.site-header[data-scrolled] .ticker,
.site-header[data-menu-open] .ticker{
  max-height:0;
  opacity:0;
  border-bottom-color:transparent;
}
.ticker__inner{
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
  min-height:40px;
  display:flex;
  align-items:center;
  gap:clamp(14px,3vw,44px);
  overflow-x:auto;
  scrollbar-width:none;
}
.ticker__inner::-webkit-scrollbar{ display:none; }
.ticker__item{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  white-space:nowrap;
  padding-block:8px;
  border-bottom:1px solid transparent;
  transition:border-color .18s ease;
}
.ticker__item:hover{ border-bottom-color:var(--orange); }
.ticker__label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
}
.ticker__value{
  font-family:var(--font-mono);
  font-weight:600;
  font-size:15px;
  color:var(--orange);
  font-variant-numeric:tabular-nums;
}
.ticker__unit{ font-size:11.5px; color:var(--muted); }

/* scroll progress */
.scroll-progress{
  position:absolute;
  left:0; right:0; bottom:0;
  height:2px;
  background:rgba(36,51,79,.7);
  pointer-events:none;
}
.scroll-progress__bar{
  display:block;
  width:100%;
  height:100%;
  background:var(--green);
  transform:scaleX(0);
  transform-origin:left center;
  box-shadow:0 0 10px rgba(61,255,158,.55);
}

/* rail */
.site-rail{
  position:fixed;
  top:0; left:0; bottom:0;
  width:var(--rail);
  display:none;
  flex-direction:column;
  align-items:center;
  gap:16px;
  padding:18px 0 22px;
  background:var(--ink-800);
  border-right:1px solid var(--line);
  z-index:90;
}
@media (min-width:1200px){ .site-rail{ display:flex; } }
.rail__mark{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--green);
  border:1px solid var(--line);
  padding:8px 7px;
  background:rgba(61,255,158,.05);
}
.rail__drawer{
  writing-mode:vertical-rl;
  text-orientation:mixed;
  letter-spacing:.24em;
  font-size:12px;
  padding:16px 9px;
  border:1px solid var(--line);
  color:var(--muted);
  transition:color .2s ease, border-color .2s ease, background-color .2s ease;
}
.rail__drawer:hover,
.rail__drawer[aria-expanded="true"]{
  color:var(--green);
  border-color:var(--green);
  background:rgba(61,255,158,.08);
}
.rail__spacer{ flex:1 1 auto; }
.rail__top{
  width:44px; height:44px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  color:var(--muted);
  font-size:16px;
  opacity:0;
  pointer-events:none;
  transition:opacity .2s ease, color .2s ease, border-color .2s ease;
}
.rail__top[data-visible]{ opacity:1; pointer-events:auto; }
.rail__top:hover{ color:var(--green); border-color:var(--green); }

/* drawer */
.drawer-scrim{
  position:fixed;
  inset:0;
  background:rgba(5,9,18,.66);
  z-index:75;
  opacity:0;
  visibility:hidden;
  transition:opacity .24s ease, visibility .24s ease;
}
.drawer-scrim[data-open]{ opacity:1; visibility:visible; }

.index-drawer{
  position:fixed;
  top:0; bottom:0;
  left:var(--rail);
  width:min(400px,92vw);
  z-index:80;
  padding:22px 22px 56px;
  overflow-y:auto;
  background:var(--ink-800);
  border-right:1px solid var(--line);
  transform:translateX(-102%);
  visibility:hidden;
  transition:transform .24s cubic-bezier(.22,.7,.3,1), visibility .24s;
}
.index-drawer[data-open]{ transform:none; visibility:visible; }
.index-drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
  margin-bottom:6px;
}
.index-drawer__head .field-label{ margin:0; }
.index-drawer__close{
  padding:6px 10px;
  border:1px solid var(--line);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--muted);
  transition:color .18s ease, border-color .18s ease;
}
.index-drawer__close:hover{ color:var(--green); border-color:var(--green); }

.league{ border-bottom:1px solid var(--line); }
.league__head{
  width:100%;
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding:15px 2px;
  text-align:left;
  transition:color .18s ease;
}
.league__head:hover{ color:var(--green); }
.league__name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:17px;
}
.league__meta{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--muted);
}
.league__head[aria-expanded="true"]{ color:var(--green); }
.league__head[aria-expanded="true"] .league__meta{ color:var(--green-dim); }
.league__body{ padding:0 0 14px; }
.team-row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding:9px 12px;
  border-left:1px solid var(--line);
  color:var(--muted);
  font-size:14.5px;
  transition:color .16s ease, border-color .16s ease, background-color .16s ease;
}
.team-row:hover{
  color:var(--text);
  border-left-color:var(--green);
  background:rgba(61,255,158,.06);
}
.team-row__val{
  font-family:var(--font-mono);
  font-weight:600;
  font-size:14px;
  color:var(--green);
  font-variant-numeric:tabular-nums;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{
  margin-top:72px;
  border-top:1px solid var(--line);
  background:var(--ink-800);
}
.site-footer__inner{
  max-width:var(--maxw);
  margin-inline:auto;
  padding:56px var(--gutter) 36px;
  display:grid;
  grid-template-columns:1.1fr 2fr 1.4fr;
  gap:clamp(24px,4vw,56px);
}
.footer-brand{ display:grid; gap:16px; align-content:start; }
.footer-brand__note{
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
  max-width:34ch;
  padding-left:12px;
  border-left:1px solid var(--line);
}
.footer-nav{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px clamp(12px,2vw,28px);
}
.footer-links{ display:grid; gap:9px; }
.footer-links a{
  font-size:14px;
  color:var(--muted);
  border-bottom:1px solid transparent;
  transition:color .16s ease, border-color .16s ease;
}
.footer-links a:hover{ color:var(--green); border-bottom-color:var(--green); }

.footer-contact{ display:grid; gap:12px; align-content:start; }
.contact-list{ display:grid; gap:12px; }
.contact-list li{ display:grid; gap:3px; }
.contact-list__k{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}
.contact-list__v{
  font-size:14px;
  line-height:1.65;
  color:var(--text);
}
.contact-list li:nth-child(1) .contact-list__v,
.contact-list li:nth-child(2) .contact-list__v{
  font-family:var(--font-mono);
  color:var(--cyan);
  font-size:13.5px;
}

.site-footer__base{
  max-width:var(--maxw);
  margin-inline:auto;
  padding:18px var(--gutter) 30px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 26px;
  font-size:13px;
  color:var(--muted);
}
.site-footer__icp{ font-family:var(--font-mono); letter-spacing:.04em; }
.site-footer__links{ display:flex; flex-wrap:wrap; gap:8px 18px; margin-left:auto; }
.site-footer__links a{
  color:var(--muted);
  border-bottom:1px solid transparent;
  transition:color .16s ease, border-bottom-color .16s ease;
}
.site-footer__links a:hover{ color:var(--green); border-bottom-color:var(--green); }

@media (max-width:1080px){
  .site-footer__inner{ grid-template-columns:1fr 1fr; }
  .footer-brand{ grid-column:1 / -1; }
  .footer-brand__note{ max-width:60ch; }
}
@media (max-width:640px){
  .site-footer__inner{ grid-template-columns:1fr; padding-top:40px; }
  .footer-nav{ grid-template-columns:1fr 1fr; }
  .site-footer__links{ margin-left:0; width:100%; }
}

/* ============================================================
   LAYOUT & SHARED COMPONENTS
   ============================================================ */
.page-main{
  position:relative;
  z-index:2;
  padding-top:102px;
  padding-bottom:8px;
}
@media (min-width:900px){ .page-main{ padding-top:112px; } }

.container{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.container--narrow{ max-width:920px; }

.section{ padding-block:clamp(36px,5.5vw,72px); }
.section + .section{ border-top:1px solid var(--line); }
.stack{ display:grid; gap:16px; }
.grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(16px,2vw,28px);
}
@media (max-width:820px){
  .grid{ grid-template-columns:repeat(6,minmax(0,1fr)); }
}

/* breadcrumb */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-top:18px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--muted);
}
.breadcrumb a{ color:var(--cyan); }
.breadcrumb a:hover{ color:var(--green); }
.breadcrumb__sep{ color:var(--line); }

/* buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 16px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--text);
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  cursor:pointer;
  transition:background-color .18s ease, border-color .18s ease, color .18s ease;
}
.btn:hover{ border-color:var(--green); color:var(--green); }
.btn--accent{
  border-color:var(--green-dim);
  color:var(--green);
  background:rgba(61,255,158,.08);
}
.btn--accent:hover{ background:var(--green); color:#06110C; border-color:var(--green); }
.btn--orange{
  border-color:var(--orange-dim);
  color:var(--orange);
  background:rgba(255,138,61,.08);
}
.btn--orange:hover{ background:var(--orange); color:#1A0C02; border-color:var(--orange); }
.btn--ghost{ background:rgba(255,255,255,.02); }
.btn--sm{ padding:8px 13px; font-size:13px; }

/* field label */
.field-label{
  display:block;
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}

/* panel */
.panel{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  background:var(--ink-700);
  border:1px solid var(--line);
  transition:border-color .2s ease, background-color .2s ease;
}
.panel:hover{ border-color:rgba(61,255,158,.55); background:var(--ink-700); }
.panel--flat:hover{ border-color:var(--line); }

/* scoreboard */
.scoreboard{
  display:flex;
  flex-wrap:wrap;
  gap:24px clamp(24px,4vw,52px);
}
.scoreboard__item{ display:grid; gap:6px; }
.scoreboard__value{
  font-family:var(--font-mono);
  font-weight:600;
  font-size:clamp(30px,4.6vw,52px);
  line-height:1;
  color:var(--green);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.scoreboard__unit{
  margin-left:6px;
  font-size:.4em;
  letter-spacing:.08em;
  color:var(--muted);
}
.scoreboard__label{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}

/* price tag */
.price-tag{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:7px 12px;
  border:1px solid var(--orange-dim);
  background:rgba(255,138,61,.07);
  color:var(--orange);
  font-family:var(--font-mono);
  font-weight:600;
  font-size:15px;
  font-variant-numeric:tabular-nums;
}
.price-tag__unit{
  font-family:var(--font-body);
  font-size:12px;
  font-weight:400;
  color:var(--muted);
}

/* chips */
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--muted);
}
.chip--green{ border-color:var(--green-dim); color:var(--green); }
.chip--orange{ border-color:var(--orange-dim); color:var(--orange); }
.chip--cyan{ border-color:var(--cyan); color:var(--cyan); }
.chip--violet{ border-color:var(--violet); color:var(--violet); }

/* media frame */
.media{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16 / 9;
  overflow:hidden;
  background:var(--ink-700);
  border:1px solid var(--line);
}
.media > img,
.media > svg,
.media > picture > img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media--4x3{ aspect-ratio:4 / 3; }
.media--1x1{ aspect-ratio:1 / 1; }
.media--wide{ aspect-ratio:21 / 9; }
.media--grid::before{
  content:'';
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(to right, rgba(36,51,79,.85) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36,51,79,.85) 1px, transparent 1px);
  background-size:32px 32px;
  pointer-events:none;
}
.media__caption{
  position:absolute;
  left:0; right:0; bottom:0;
  padding:10px 12px;
  background:linear-gradient(180deg, rgba(10,18,36,0) 0%, rgba(10,18,36,.92) 100%);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--muted);
}
.media__tag{
  position:absolute;
  top:10px; left:10px;
  padding:3px 9px;
  background:rgba(10,18,36,.86);
  border:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--green);
}

/* reveal */
.js .reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .5s ease, transform .5s ease;
}
.js .reveal[data-shown]{ opacity:1; transform:none; }

/* hidden helper */
[hidden]{ display:none !important; }

/* ============================================================
   RESPONSIVE HEADER
   ============================================================ */
@media (max-width:900px){
  .site-header__bar{ padding-block:14px; }
  .nav{
    position:fixed;
    inset:0;
    z-index:1;
    display:block;
    margin:0;
    padding:88px 20px 56px;
    overflow-y:auto;
    background:var(--ink-900);
    border-right:1px solid var(--line);
    opacity:0;
    visibility:hidden;
    transition:opacity .2s ease, visibility .2s ease;
  }
  .nav[data-open]{ opacity:1; visibility:visible; }
  .nav__list{ flex-direction:column; align-items:stretch; gap:0; }
  .nav__item + .nav__item{ border-top:1px solid var(--line); }
  .nav__link{
    display:block;
    padding:16px 4px;
    font-size:18px;
    border-bottom:0;
  }
  .nav__link:hover{ background:transparent; color:var(--green); }
  .nav__link[aria-current="page"]{
    border-bottom:0;
    border-left:2px solid var(--green);
    padding-left:14px;
  }
  .nav-toggle{ display:inline-flex; }
  .header-tools .btn--sm{ display:none; }
}

@media (max-width:520px){
  .brand__tag{ display:none; }
  .btn{ padding:9px 13px; font-size:13px; }
  .ticker__label{ font-size:10.5px; }
}

/* ============================================================
   MOTION PREFERENCES
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .js .reveal{ opacity:1; transform:none; }
  .site-header[data-scrolled] .ticker,
  .site-header[data-menu-open] .ticker{ transition:none; }
}