/* ============================================================
   乐动体育主站 — 共享样式 /assets/site.css
   夜间赛场 × 数据档案 · 堆叠面板 · 粗边框硬阴影
   ============================================================ */

/* ---------- 1. RESET ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:hidden}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,dl,dd,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

/* ---------- 2. TOKENS ---------- */
:root{
  color-scheme:dark;
  --bg:#0A1420;
  --panel:#101F2E;
  --field:#0F3D2E;
  --neon:#19E3C6;
  --neon-deep:#0E9C89;
  --pulse:#FF4E2B;
  --text:#EAF3F1;
  --muted:#93A9A6;
  --mint:#D7F5EE;
  --line:#22344A;
  --dark:#050D16;
  --shadow-hard:8px 8px 0 var(--dark);
  --shadow-hard-sm:4px 4px 0 var(--dark);
  --shell:1180px;
  --gutter:clamp(16px,4vw,40px);
  --font-display:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-body:var(--font-display);
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 3. BASE ---------- */
body{
  min-height:100vh;
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(34,52,74,.30) 1px,transparent 1px),
    linear-gradient(90deg,rgba(34,52,74,.30) 1px,transparent 1px);
  background-size:72px 72px;
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
}
::selection{background:var(--neon);color:#04170F}
h1,h2,h3,h4,h5{font-family:var(--font-display);font-weight:800;letter-spacing:-.02em;line-height:1.18}
h1{font-size:clamp(30px,5.2vw,52px)}
h2{font-size:clamp(24px,3.4vw,34px)}
h3{font-size:clamp(19px,2.2vw,23px)}
h4{font-size:17px}
p{max-width:34em}
strong{color:var(--text);font-weight:700}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px}

.mono{font-family:var(--font-mono);letter-spacing:.06em;font-size:.92em;font-variant-numeric:tabular-nums}
.visually-hidden{position:absolute!important;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}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--neon)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--pulse)}
.rule{height:2px;border:0;background:var(--line);margin-block:32px}
.rule--neon{background:linear-gradient(90deg,var(--neon),var(--neon-deep) 42%,transparent)}
.slant-rule{
  height:24px;
  border-block:2px solid var(--line);
  background-image:repeating-linear-gradient(115deg,var(--neon) 0 3px,transparent 3px 15px);
  opacity:.4;
}
.stack > * + *{margin-top:clamp(14px,2vw,22px)}

/* ---------- 4. LAYOUT ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(44px,6.5vw,80px)}
.section--dense{padding-block:clamp(26px,3.6vw,40px)}
.section--loose{padding-block:clamp(64px,9vw,124px)}
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.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))}

/* ---------- 5. PANELS / CARDS ---------- */
.panel{
  position:relative;
  background:var(--panel);
  border:2px solid var(--line);
  box-shadow:var(--shadow-hard);
  padding:clamp(20px,3vw,32px);
}
.panel--field{background:var(--field)}
.panel--neon{border-color:var(--neon)}
.card{
  background:var(--panel);
  border:2px solid var(--line);
  box-shadow:var(--shadow-hard-sm);
  padding:clamp(16px,2.2vw,22px);
}
.card:hover{border-color:var(--neon-deep)}
.panel__head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;
  padding-bottom:12px;margin-bottom:18px;border-bottom:1px solid var(--line);
}
.panel__title{font-size:clamp(19px,2.4vw,24px)}
.panel__meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* ---------- 6. TAGS / CHIPS ---------- */
.tag{
  display:inline-flex;align-items:center;gap:.4em;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  padding:2px 8px;border:1px solid var(--line);background:#0C1A28;color:var(--muted);
}
.tag--neon{color:var(--neon);border-color:var(--neon);background:rgba(25,227,198,.08)}
.tag--pulse{color:#fff;background:var(--pulse);border-color:var(--pulse)}
.tag--mint{background:var(--mint);color:#0B3B31;border-color:var(--mint)}
.chip{
  display:inline-flex;align-items:center;gap:.4em;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  padding:6px 12px;border:2px solid var(--line);background:var(--panel);color:var(--muted);
  transition:color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.chip:hover{color:var(--text);border-color:var(--neon-deep)}
.chip[aria-pressed="true"],.chip.is-active{color:var(--neon);border-color:var(--neon);box-shadow:var(--shadow-hard-sm)}

/* ---------- 7. INDEX / DATA ---------- */
.index-list{border-top:2px solid var(--line)}
.index-item{
  display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:baseline;
  padding:14px 4px;border-bottom:1px solid var(--line);
}
.index-item__no{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--neon)}
.index-item__text{font-size:16px;font-weight:600}
.index-item__arrow{color:var(--muted);transition:transform .2s var(--ease),color .2s var(--ease)}
.index-item:hover .index-item__arrow{color:var(--pulse);transform:translateX(4px)}
.big-num{font-family:var(--font-mono);font-weight:700;font-size:clamp(40px,7vw,84px);line-height:.95;letter-spacing:-.02em;color:var(--neon);font-variant-numeric:tabular-nums}
.big-num--outline{color:transparent;-webkit-text-stroke:2px var(--neon);text-stroke:2px var(--neon)}
.stat{display:flex;flex-direction:column;gap:6px}
.stat__value{font-family:var(--font-mono);font-weight:700;font-size:clamp(26px,4vw,42px);line-height:1;color:var(--neon);font-variant-numeric:tabular-nums}
.stat__label{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* ---------- 8. TEXT BLOCKS ---------- */
.summary{
  border-left:3px solid var(--neon);
  background:var(--mint);
  color:#0B3B31;
  padding:14px 18px;
  font-weight:600;
}
.summary p{max-width:none;color:inherit}
.prose{max-width:34em}
.prose p + p{margin-top:1em}
.prose h2,.prose h3{margin-top:1.7em;margin-bottom:.5em}
.prose ul{margin-top:.6em}
.prose li{position:relative;padding-left:1.4em;margin-top:.4em}
.prose li::before{content:"▸";position:absolute;left:0;color:var(--neon)}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:.6em;
  padding-block:14px;border-bottom:1px solid var(--line);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
}
.breadcrumb a:hover{color:var(--neon)}
.breadcrumb__sep{color:var(--neon-deep)}
.breadcrumb [aria-current="page"]{color:var(--text)}

/* ---------- 9. BUTTONS / LINKS ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  padding:.68em 1.25em;border:2px solid var(--neon);background:transparent;color:var(--neon);
  font-size:15px;font-weight:700;letter-spacing:.02em;box-shadow:var(--shadow-hard-sm);
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn:hover{background:var(--neon);color:#04170F;transform:translate(-2px,-2px)}
.btn--primary{background:var(--neon);color:#04170F;border-color:var(--neon)}
.btn--primary:hover{background:#7CF6E4;border-color:#7CF6E4}
.btn--pulse{background:var(--pulse);border-color:var(--pulse);color:#fff}
.btn--pulse:hover{background:#FF7A5C;border-color:#FF7A5C;color:#1A0703}
.btn--ghost{border-color:var(--line);color:var(--text)}
.btn--ghost:hover{background:transparent;border-color:var(--neon);color:var(--neon)}
.arrow-link{display:inline-flex;align-items:center;gap:.45em;font-weight:700;color:var(--neon)}
.arrow-link::after{content:"→";transition:transform .2s var(--ease)}
.arrow-link:hover::after{transform:translateX(5px)}

/* ---------- 10. DISCLOSURE ---------- */
.disclosure{
  border:2px solid var(--line);background:var(--panel);margin-top:14px;
  box-shadow:var(--shadow-hard-sm);
}
.disclosure[open]{box-shadow:var(--shadow-hard-sm),inset 4px 0 0 var(--neon)}
.disclosure__summary{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:15px 18px;font-weight:700;cursor:pointer;list-style:none;
}
.disclosure__summary::-webkit-details-marker{display:none}
.disclosure__arrow{color:var(--muted);font-family:var(--font-mono);transition:transform .25s var(--ease),color .25s var(--ease)}
.disclosure[open] .disclosure__arrow{transform:rotate(90deg);color:var(--neon)}
.disclosure__body{padding:14px 18px 20px;border-top:1px solid var(--line);color:var(--muted)}
.disclosure__body p + p{margin-top:.8em}

/* ---------- 11. MEDIA FRAME ---------- */
.media-frame{
  position:relative;overflow:hidden;
  border:2px solid var(--line);background:#08131E;
  box-shadow:var(--shadow-hard);aspect-ratio:16/9;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--portrait{aspect-ratio:3/4}
.media-frame img{width:100%;height:100%;object-fit:cover;filter:saturate(1.06) contrast(1.06)}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(25,227,198,.18);
  background:linear-gradient(180deg,rgba(10,20,32,0) 48%,rgba(10,20,32,.62) 100%);
}
.media-frame__tag{
  position:absolute;left:0;bottom:0;z-index:1;
  background:rgba(10,20,32,.88);border-top:2px solid var(--neon);color:var(--text);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;padding:6px 10px;
}

/* ---------- 12. HEADER ---------- */
.skip-link{
  position:absolute;left:var(--gutter);top:8px;z-index:200;
  transform:translateY(-180%);
  background:var(--neon);color:#04170F;font-weight:700;
  padding:8px 14px;border:2px solid #04170F;
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--bg);
  border-bottom:2px solid var(--line);
}
.scroll-progress{
  position:absolute;left:0;bottom:-2px;z-index:3;
  display:block;height:3px;width:0;
  background:linear-gradient(90deg,var(--neon-deep),var(--neon) 45%,var(--pulse));
  transition:width .12s linear;
}
.masthead{
  background-image:
    radial-gradient(120% 150% at 88% 0%,rgba(25,227,198,.18),transparent 56%),
    linear-gradient(112deg,#0A1420 0%,var(--field) 52%,#0A1420 100%);
  border-bottom:1px solid var(--line);
}
.masthead__inner{
  width:100%;max-width:var(--shell);margin-inline:auto;
  padding:14px var(--gutter);
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;
}
.masthead__aside{display:flex;align-items:center;gap:10px;min-width:0}
.masthead__aside--end{justify-content:flex-end;flex-wrap:wrap}
.season-tag{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);border:1px solid var(--line);background:rgba(16,31,46,.66);padding:3px 8px;
}
.brand{display:flex;flex-direction:column;align-items:center;gap:2px;text-align:center}
.brand__name{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(20px,2.6vw,28px);letter-spacing:.06em;line-height:1.1;color:var(--text);
}
.brand:hover .brand__name{color:var(--neon)}
.brand__sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--neon)}
.version-badge{
  font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  background:var(--neon);color:#062018;padding:3px 8px;box-shadow:3px 3px 0 var(--dark);
}
.ghost-cta{
  font-size:14px;font-weight:700;letter-spacing:.04em;
  padding:7px 14px;border:2px solid var(--neon);color:var(--neon);
  box-shadow:var(--shadow-hard-sm);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.ghost-cta:hover{background:var(--neon);color:#04170F}
.nav-toggle{
  display:none;place-items:center;
  width:44px;height:44px;border:2px solid var(--neon);
  box-shadow:var(--shadow-hard-sm);position:relative;z-index:76;
}
.nav-toggle__bars{display:flex;flex-direction:column;gap:4px;align-items:center}
.nav-toggle__bar{display:block;width:20px;height:2px;background:var(--neon);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.site-nav{background:var(--panel);border-top:1px solid var(--line)}
.site-nav__list{
  width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter);
  display:flex;flex-wrap:wrap;justify-content:center;gap:2px;
}
.site-nav__item{display:block}
.site-nav__link{
  display:inline-flex;align-items:baseline;gap:.5em;
  padding:12px clamp(8px,1.4vw,16px);
  font-size:15px;font-weight:600;color:var(--muted);
  border-bottom:3px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.site-nav__link:hover{color:var(--text);background:rgba(25,227,198,.07)}
.site-nav__idx{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--neon-deep)}
.site-nav__link[aria-current="page"]{color:var(--text);border-bottom-color:var(--neon)}
.site-nav__link[aria-current="page"] .site-nav__idx{color:var(--pulse)}
.mobile-dock{display:none}
.site-header.is-condensed .masthead__inner{padding-block:8px}
.site-header.is-condensed .brand__name{font-size:clamp(17px,2vw,20px)}
.site-header.is-condensed .brand__sub{display:none}
.site-header.is-condensed .site-nav__link{padding-block:8px;font-size:14px}

/* ---------- 13. FOOTER ---------- */
.site-footer{
  margin-top:clamp(48px,8vw,96px);
  background:var(--bg);
  border-top:2px solid var(--line);
}
.footer-top{
  width:100%;max-width:var(--shell);margin-inline:auto;
  padding:clamp(28px,4vw,44px) var(--gutter) clamp(18px,3vw,26px);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;
  border-bottom:1px solid var(--line);
}
.footer-brand{font-family:var(--font-display);font-weight:800;font-size:clamp(19px,2.4vw,24px);letter-spacing:.05em}
.footer-brand:hover{color:var(--neon)}
.footer-top__note{margin-left:auto;color:var(--muted);font-size:12px;letter-spacing:.1em;text-transform:uppercase}
.footer-grid{
  width:100%;max-width:var(--shell);margin-inline:auto;
  padding:clamp(26px,3.6vw,42px) var(--gutter);
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
}
.footer-col{padding-inline:clamp(14px,2vw,24px);border-left:1px solid var(--line);min-width:0}
.footer-col:first-child{border-left:0;padding-left:0}
.footer-col:last-child{padding-right:0}
.footer-col__title{
  display:flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--neon);margin-bottom:14px;
}
.footer-col__title::before{content:"";width:14px;height:2px;background:var(--pulse)}
.footer-col__list li + li{margin-top:8px}
.footer-col__link{display:inline-block;font-size:15px;color:var(--muted);transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col__link:hover{color:var(--neon);transform:translateX(3px)}
.footer-contact{font-size:14px;line-height:1.85;color:var(--muted)}
.footer-contact .mono{color:var(--text);word-break:break-word}
.footer-legal{
  width:100%;max-width:var(--shell);margin-inline:auto;
  padding:18px var(--gutter) clamp(26px,4vw,40px);
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--muted);
}
.footer-legal__item{max-width:none}

/* ---------- 14. REVEAL ---------- */
.js-ready [data-reveal]{
  opacity:0;transform:translateY(12px);
  transition:opacity .4s var(--ease),transform .4s var(--ease);
}
.js-ready [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 15. TABLET ---------- */
@media (max-width:1024px){
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 0}
  .footer-col:nth-child(3){border-left:0;padding-left:0}
}

/* ---------- 16. MOBILE ---------- */
@media (max-width:820px){
  :root{--gutter:18px}
  body{padding-bottom:calc(54px + env(safe-area-inset-bottom,0px))}
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .season-tag{display:none}
  .ghost-cta{display:none}
  .nav-toggle{display:grid}
  .masthead__inner{padding-block:10px;gap:8px}
  .brand__name{font-size:19px}
  .brand__sub{font-size:9px;letter-spacing:.18em}
  .version-badge{font-size:10px;padding:2px 6px}
  .site-nav{
    position:fixed;inset:0;z-index:75;
    background-image:linear-gradient(158deg,#0A1420 0%,var(--field) 62%,#0A1420 100%);
    border-top:0;
    padding:calc(96px + env(safe-area-inset-top,0px)) var(--gutter) 96px;
    transform:translateY(-101%);
    opacity:0;visibility:hidden;
    transition:transform .3s var(--ease),opacity .3s var(--ease),visibility .3s linear;
    overflow-y:auto;overscroll-behavior:contain;
  }
  .site-nav[data-open="true"]{transform:translateY(0);opacity:1;visibility:visible}
  .site-nav__list{display:block;max-width:none;padding-inline:0}
  .site-nav__item + .site-nav__item{margin-top:4px}
  .site-nav__link{
    display:flex;align-items:center;gap:16px;width:100%;
    padding:16px 10px;font-size:19px;font-weight:700;color:var(--text);
    border-bottom:1px solid var(--line);border-left:3px solid transparent;
  }
  .site-nav__link[aria-current="page"]{border-bottom-color:var(--line);border-left-color:var(--neon);background:rgba(25,227,198,.09)}
  .site-nav__idx{font-size:12px}
  .mobile-dock{
    display:grid;grid-template-columns:1fr 1fr;
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:#0A1420;border-top:2px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom,0px);
  }
  .mobile-dock__link{
    padding:13px 8px;text-align:center;font-size:14px;font-weight:700;
    color:var(--neon);border-right:1px solid var(--line);
  }
  .mobile-dock__link:last-child{border-right:0}
  html.nav-open,html.nav-open body{overflow:hidden}
  .section--loose{padding-block:clamp(48px,9vw,72px)}
  .index-item{grid-template-columns:auto 1fr;}
  .index-item__arrow{grid-column:2;justify-self:end}
}

@media (max-width:560px){
  body{font-size:16px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:0}
  .footer-col{border-left:0;padding:18px 0;border-top:1px solid var(--line)}
  .footer-col:first-child{border-top:0;padding-top:0}
  .footer-col:last-child{padding-bottom:0}
  .footer-top__note{margin-left:0;width:100%}
  .panel{box-shadow:var(--shadow-hard-sm)}
  .media-frame{box-shadow:var(--shadow-hard-sm)}
}

/* ---------- 17. REDUCED MOTION ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .js-ready [data-reveal]{opacity:1!important;transform:none!important}
  .btn:hover{transform:none}
}