/* ==========================================================================
   完美体育赛事 · 共享样式 /assets/site.css
   深夜转播室 × 战术板：午夜深蓝底、哨声荧光绿数据高亮、暖纸色长文区
   ========================================================================== */

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

/* 2. Tokens --------------------------------------------------------------- */
:root{
  --ink-900:#0B1026;
  --ink-800:#141B36;
  --ink-700:#1A2344;
  --line:#26304F;
  --line-soft:rgba(38,48,79,.7);
  --green:#B7FF3C;
  --green-deep:#7EC22B;
  --green-ink:#3D6B00;
  --paper:#F2EBDD;
  --paper-ink:#191B22;
  --muted:#8B94B3;
  --red:#FF4D4D;
  --yellow:#FFC53D;
  --text:#F2EBDD;
  --text-dim:rgba(242,235,221,.72);
  --panel-bg:var(--ink-800);
  --media-bg:var(--ink-800);
  --max:1320px;
  --gutter:clamp(16px,4vw,40px);
  --cut:16px;
  --header-h:82px;
  --rail-w:260px;
  --ease:cubic-bezier(.22,.7,.24,1);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-serif:"Songti SC",Georgia,"Times New Roman","SimSun",serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}

/* 3. Base typography ------------------------------------------------------ */
body{
  background:var(--ink-900);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--green);color:var(--ink-900)}
h1,h2,h3,h4{font-weight:800;line-height:1.28;letter-spacing:-.015em;color:var(--text)}
h1{font-size:clamp(30px,4.4vw,46px)}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:clamp(18px,1.8vw,22px);line-height:1.45}
h4{font-size:16px;line-height:1.5}
p{color:inherit}
strong{font-weight:700;color:var(--text)}
.serif{font-family:var(--font-serif)}
.mono-num,.stat-value,.hero-score{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* 4. Layout primitives ---------------------------------------------------- */
.container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.container--narrow{max-width:920px}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(14px,2vw,28px)}
.rail-layout{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,9fr);gap:clamp(20px,3vw,48px);align-items:start}
.rail{position:sticky;top:calc(var(--header-h) + 24px)}
.content-col{min-width:0}
.page-main{padding-top:calc(var(--header-h) + clamp(24px,4vw,56px))}
.page-main--flush{padding-top:0}
#main-content{scroll-margin-top:calc(var(--header-h) + 12px)}
#main-content:focus{outline:none}
.stack{display:grid;gap:clamp(14px,2vw,22px)}

.section{padding-block:clamp(48px,7vw,96px)}
.section--wide{background:var(--ink-900)}
.section--panel{background:var(--ink-800);border-block:1px solid var(--line)}
.section--narrow{max-width:940px;margin-inline:auto}
.section--paper{
  background:var(--paper);
  color:var(--paper-ink);
  --text:var(--paper-ink);
  --text-dim:rgba(25,27,34,.72);
  --muted:rgba(25,27,34,.55);
  --line:rgba(25,27,34,.16);
  --line-soft:rgba(25,27,34,.12);
  --panel-bg:#FBF7EC;
  --media-bg:#DED5C2;
}
.section--paper h1,.section--paper h2,.section--paper h3,.section--paper h4,.section--paper strong{color:var(--paper-ink)}
.section--paper .stat-value,.section--paper .eyebrow,.section--paper .tag--live{color:var(--green-ink)}
.section--paper .tag--live{border-color:rgba(61,107,0,.4)}

.section-head{max-width:780px;margin-bottom:clamp(24px,3.5vw,44px)}
.section-head .eyebrow{margin-bottom:14px}
.section-title{font-size:clamp(24px,3vw,34px)}
.section-lead{margin-top:14px;font-size:clamp(15px,1.2vw,17px);line-height:1.95;color:var(--text-dim)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-serif);font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--green);
}
.eyebrow::before{content:"";width:18px;height:2px;background:currentColor;transform:skewX(-32deg)}
.divider-slash{height:10px;border:0;margin-block:clamp(22px,3.6vw,44px);
  background:repeating-linear-gradient(115deg,var(--line) 0 1px,transparent 1px 9px)}

/* 5. Header --------------------------------------------------------------- */
.skip-link{
  position:fixed;left:14px;top:-72px;z-index:400;
  padding:10px 18px;background:var(--green);color:var(--ink-900);
  font-size:14px;font-weight:700;letter-spacing:.04em;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:14px}

.site-header{
  position:fixed;inset:0 0 auto 0;z-index:200;
  --header-h:82px;
  --rail-w:260px;
  background:transparent;
  transition:background .35s var(--ease),box-shadow .35s var(--ease);
}
.site-header.is-solid{
  --header-h:66px;
  --rail-w:210px;
  background:rgba(11,16,38,.94);
  box-shadow:0 1px 0 var(--line-soft),0 24px 48px -34px rgba(0,0,0,.9);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.header-inner{
  max-width:var(--max);margin-inline:auto;
  padding-inline:var(--gutter);
  min-height:var(--header-h);
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;gap:clamp(12px,2vw,28px);
  transition:min-height .35s var(--ease);
}
.brand-rail{
  width:var(--rail-w);min-width:0;display:flex;align-items:center;
  padding-right:clamp(10px,1.4vw,20px);
  border-right:1px solid var(--line-soft);
  transition:width .35s var(--ease);
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__mark{
  flex:none;display:grid;place-items:center;width:40px;height:40px;
  background:var(--green);color:var(--ink-900);
  font-family:var(--font-mono);font-size:14px;font-weight:700;letter-spacing:.02em;
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px));
}
.brand__text{display:block;min-width:0}
.brand__name{display:block;font-size:16px;font-weight:800;letter-spacing:.02em;line-height:1.4;white-space:nowrap}
.brand__line{display:block;font-size:12px;line-height:1.5;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.site-header.is-solid .brand__line{opacity:0;transition:opacity .2s var(--ease)}

.primary-nav{min-width:0}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-list a{
  position:relative;display:block;padding:9px 13px;
  font-size:14px;line-height:1.4;color:var(--text-dim);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-list a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--green);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .25s var(--ease);
}
.nav-list a:hover{color:var(--paper);background:rgba(183,255,60,.07)}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a[aria-current="page"]{color:var(--green)}
.nav-list a[aria-current="page"]::after{transform:scaleX(1)}

.header-aside{display:flex;align-items:center;gap:clamp(10px,1.4vw,20px)}
.utility-link{
  font-size:12px;letter-spacing:.04em;color:var(--muted);white-space:nowrap;
  padding:6px 2px;border-bottom:1px dashed transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.utility-link:hover{color:var(--green);border-color:rgba(183,255,60,.5)}
.header-cta{white-space:nowrap}

.nav-toggle{
  display:none;align-items:center;gap:10px;min-height:44px;min-width:44px;
  padding:0 12px;border:1px solid var(--line);color:var(--text);
  font-size:13px;letter-spacing:.1em;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{color:var(--green);border-color:rgba(183,255,60,.5)}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars i{display:block;height:2px;background:currentColor;
  transition:transform .25s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.scroll-progress{
  position:absolute;left:0;right:0;bottom:0;height:2px;opacity:0;
  background:linear-gradient(90deg,var(--green),var(--green-deep));
  transform:scaleX(0);transform-origin:0 50%;
  transition:opacity .3s var(--ease);
}
.site-header.is-solid .scroll-progress{opacity:1}

/* 6. Footer --------------------------------------------------------------- */
.site-footer{margin-top:0;background:var(--ink-900);border-top:1px solid var(--line)}
.footer-stripe{
  height:6px;
  background:
    repeating-linear-gradient(115deg,rgba(183,255,60,.55) 0 2px,transparent 2px 12px),
    linear-gradient(90deg,var(--ink-800),var(--ink-900));
}
.footer-inner{
  max-width:var(--max);margin-inline:auto;
  padding:clamp(36px,5vw,64px) var(--gutter) clamp(26px,4vw,44px);
  display:grid;grid-template-columns:minmax(200px,3fr) minmax(0,6fr) minmax(230px,3fr);
  gap:clamp(24px,3vw,48px);
}
.footer-brand__mark{
  display:inline-grid;place-items:center;width:44px;height:44px;
  background:var(--green);color:var(--ink-900);
  font-family:var(--font-mono);font-size:15px;font-weight:700;
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px));
}
.footer-brand__name{margin-top:16px;font-size:18px;font-weight:800;letter-spacing:.02em}
.footer-brand__line{margin-top:6px;font-size:13px;color:var(--muted)}
.footer-brand__cta{margin-top:18px}
.footer-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:clamp(18px,2.4vw,32px)}
.footer-col__heading{
  margin-bottom:14px;font-family:var(--font-serif);font-size:12px;
  letter-spacing:.18em;color:var(--green);font-weight:400;
}
.footer-links{display:grid;gap:9px}
.footer-links a{
  display:inline-block;font-size:14px;color:var(--text-dim);
  padding-bottom:2px;border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-links a:hover{color:var(--green);border-color:rgba(183,255,60,.4)}
.footer-links a[aria-current="page"]{color:var(--green)}

.contact-list{display:grid;gap:12px}
.contact-list__row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:center}
.contact-list__key{font-size:12px;letter-spacing:.08em;color:var(--muted)}
.contact-list__val{font-size:13px;line-height:1.7;color:var(--text);word-break:break-all}
.copy-btn{
  min-height:32px;padding:0 10px;border:1px solid var(--line);
  font-size:12px;color:var(--muted);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.copy-btn:hover{color:var(--green);border-color:rgba(183,255,60,.5)}
.copy-btn.is-copied{background:var(--green);border-color:var(--green);color:var(--ink-900)}
.footer-service{
  margin-top:16px;padding-left:12px;border-left:2px solid var(--line);
  font-size:12px;line-height:1.8;color:var(--muted);
}
.footer-record{
  max-width:var(--max);margin-inline:auto;
  padding:18px var(--gutter) 30px;
  display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line-soft);
  font-size:12px;color:var(--muted);
}
.footer-record__icp,.footer-record__copy{color:var(--muted)}

/* 7. Components ----------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;
  border:1px solid var(--line);background:transparent;color:var(--text);
  font-size:14px;font-weight:700;letter-spacing:.04em;line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .15s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--green);border-color:var(--green);color:var(--ink-900)}
.btn--primary:hover{background:var(--green-deep);border-color:var(--green-deep)}
.btn--ghost:hover{color:var(--green);border-color:rgba(183,255,60,.55)}
.btn--sm{min-height:36px;padding:0 14px;font-size:13px}
.btn--block{width:100%}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border:1px solid var(--line);
  font-size:12px;line-height:1.6;letter-spacing:.08em;color:var(--muted);
}
.tag--live{color:var(--green);border-color:rgba(183,255,60,.45)}

.event-flag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 8px;font-size:12px;font-weight:700;line-height:1.5;letter-spacing:.06em;
}
.event-flag::before{content:"";width:7px;height:10px;background:currentColor;opacity:.85}
.event-flag--yellow{background:var(--yellow);color:#231A00}
.event-flag--red{background:var(--red);color:#2A0000}

.panel{
  background:var(--panel-bg);
  border:1px solid var(--line);
  padding:clamp(18px,2.4vw,28px);
}
.panel--cut{clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)))}
.panel--outline{background:transparent}

.stat-value{
  display:block;font-size:clamp(26px,3.4vw,40px);font-weight:700;line-height:1;
  color:var(--green);letter-spacing:-.01em;
}
.stat-label{display:block;margin-top:8px;font-size:12px;letter-spacing:.08em;color:var(--muted)}

.media-frame{
  position:relative;overflow:hidden;aspect-ratio:16/9;
  background:var(--media-bg);border:1px solid var(--line);
}
.media-frame img{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(.78) contrast(1.05) brightness(.86);
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    repeating-linear-gradient(115deg,rgba(183,255,60,.05) 0 1px,transparent 1px 7px),
    linear-gradient(180deg,rgba(11,16,38,0) 42%,rgba(11,16,38,.72));
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame__caption{
  position:relative;z-index:1;margin-top:10px;
  font-size:12px;line-height:1.7;color:var(--muted);
}

.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.06em;color:var(--muted);
}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.breadcrumbs li{display:flex;align-items:center;gap:10px}
.breadcrumbs li+li::before{content:"/";color:var(--line)}
.breadcrumbs a{color:var(--muted);transition:color .2s var(--ease)}
.breadcrumbs a:hover{color:var(--green)}
.breadcrumbs [aria-current="page"]{color:var(--text)}

.section-index{position:sticky;top:calc(var(--header-h) + 20px);font-size:13px}
.section-index__title{
  margin-bottom:12px;font-family:var(--font-serif);font-size:12px;
  letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
}
.section-index ol{display:grid;gap:2px}
.section-index a{
  display:grid;grid-template-columns:26px minmax(0,1fr);gap:8px;align-items:baseline;
  padding:8px 10px;border-left:2px solid var(--line);color:var(--muted);line-height:1.6;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.section-index a:hover{color:var(--paper);border-color:var(--green-deep)}
.section-index a[aria-current="true"]{color:var(--green);border-color:var(--green);background:rgba(183,255,60,.07)}
.section-index__num{font-family:var(--font-mono);font-size:11px;opacity:.85}

[data-reveal]{
  opacity:0;transform:translate3d(-12px,12px,0);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
[data-reveal].is-visible{opacity:1;transform:none}

.back-to-top{
  position:fixed;right:clamp(14px,3vw,32px);bottom:clamp(14px,3vw,32px);z-index:150;
  width:46px;height:46px;display:grid;place-items:center;
  background:var(--ink-800);border:1px solid var(--line);color:var(--green);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s,background .2s,color .2s;
}
.back-to-top span{width:10px;height:10px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(-45deg) translate(-1px,1px)}
.back-to-top:hover{background:var(--green);color:var(--ink-900);border-color:var(--green)}
.back-to-top.is-visible{opacity:1;visibility:visible;transform:none}

/* 8. Utilities ------------------------------------------------------------ */
.visually-hidden{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.has-nav-open{overflow:hidden}

/* 9. Focus ---------------------------------------------------------------- */
:focus-visible{outline:2px solid var(--green);outline-offset:3px}
.skip-link:focus-visible{outline-offset:2px}

/* 10. Responsive ---------------------------------------------------------- */
@media (max-width:1240px){
  .utility-link{display:none}
}
@media (max-width:1080px){
  :root{--header-h:64px}
  .site-header{--header-h:64px;--rail-w:auto}
  .site-header.is-solid{--header-h:58px;--rail-w:auto}
  .header-inner{grid-template-columns:minmax(0,1fr) auto auto}
  .brand-rail{width:auto;border-right:0;padding-right:0}
  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
    padding:10px var(--gutter) 24px;
    background:rgba(11,16,38,.98);
    border-top:1px solid var(--line);
    box-shadow:0 30px 50px -30px rgba(0,0,0,.95);
    opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;
  }
  .primary-nav[data-open="true"]{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list a{
    padding:15px 10px;font-size:16px;color:var(--text);
    border-bottom:1px solid var(--line-soft);border-left:2px solid transparent;
  }
  .nav-list a::after{display:none}
  .nav-list a:hover{background:rgba(183,255,60,.06)}
  .nav-list a[aria-current="page"]{border-left-color:var(--green);background:rgba(183,255,60,.08)}
}
@media (max-width:900px){
  .rail-layout{grid-template-columns:minmax(0,1fr)}
  .rail{position:static;top:auto}
  .section-index{position:static}
}
@media (max-width:860px){
  .footer-inner{grid-template-columns:minmax(0,1fr)}
  .footer-brand{padding-bottom:8px}
}
@media (max-width:560px){
  .brand__line{display:none}
  .brand__mark{width:34px;height:34px;font-size:12px}
  .brand__name{font-size:15px}
  .btn{padding:0 16px}
  .contact-list__row{grid-template-columns:auto minmax(0,1fr);row-gap:6px}
  .contact-list__row .copy-btn{grid-column:2;justify-self:start}
  .footer-record{flex-direction:column;align-items:flex-start}
}

/* 11. 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;
    scroll-behavior:auto !important;
  }
  [data-reveal]{opacity:1;transform:none}
}