/* ============================================================
   亚星赛场 · /assets/site.css
   共享皮肤：深夜球场黑 + 夜场聚光 + 切角面板 + 赛道斜线
   ============================================================ */

/* 1. 变量 */
:root{
  --ink-900:#05070D;
  --ink-800:#0B1220;
  --ink-700:#141C2C;
  --line:#2A3A55;
  --mute:#9AA7BC;
  --paper:#E8EEF7;
  --signal:#C8FF3D;
  --flare:#FF7A1A;
  --cyan:#3DD6C4;

  --font-display:"Archivo Narrow","Oswald","Arial Narrow","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;

  --shell:min(1280px,100% - 44px);
  --header-h:56px;
}

/* 2. Reset */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;appearance:none}
img,svg,video{display:block;max-width:100%;height:auto}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px}
::selection{background:var(--signal);color:var(--ink-900)}

/* 3. 基础排版 */
body{
  background:var(--ink-900);
  color:var(--mute);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.04;
  color:var(--paper);
}
h1{font-size:clamp(40px,6vw,68px)}
h2{font-size:clamp(28px,3.4vw,42px)}
h3{font-size:clamp(20px,2vw,26px)}
h4{font-size:18px;letter-spacing:-.01em}
p{max-width:70ch}
strong{color:var(--paper);font-weight:600}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.muted{color:var(--mute)}
#main-content{scroll-margin-top:120px}

/* 4. 布局 */
.container{width:var(--shell);margin-inline:auto}
.section{padding-block:clamp(52px,7vw,110px)}
.section-head{display:grid;gap:14px;margin-bottom:clamp(24px,3vw,44px)}
.eyebrow{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;
  color:var(--signal);text-transform:uppercase;
}
.lede{max-width:62ch;font-size:17px;line-height:1.8;color:var(--mute)}
.prose{max-width:68ch}
.prose p+p{margin-top:1em}

.grid{display:grid;gap:clamp(16px,2vw,24px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}

.track-line{
  height:1px;border:0;
  background:repeating-linear-gradient(90deg,var(--line) 0 12px,transparent 12px 24px);
}
.cut-panel{
  position:relative;
  background:var(--ink-700);
  padding:clamp(20px,2.6vw,32px);
  clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,22px 100%,0 calc(100% - 22px));
}
.cut-panel--signal{
  background:linear-gradient(150deg,rgba(200,255,61,.10),rgba(20,28,44,1) 46%),var(--ink-700);
}

/* 5. 按钮与标签 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:2px;
  border:1px solid var(--line);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  color:var(--paper);background:transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--signal{background:var(--signal);border-color:var(--signal);color:var(--ink-900)}
.btn--signal:hover{background:#dcff7d;border-color:#dcff7d}
.btn--flare{background:var(--flare);border-color:var(--flare);color:var(--ink-900)}
.btn--flare:hover{background:#ff9445;border-color:#ff9445}
.btn--ghost{border-color:var(--line);color:var(--paper)}
.btn--ghost:hover{border-color:var(--signal);color:var(--signal)}
.btn--sm{padding:9px 14px;font-size:13px;letter-spacing:.04em}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  padding:4px 9px;border:1px solid var(--line);color:var(--mute);
}
.tag--signal{color:var(--signal);border-color:rgba(200,255,61,.5)}
.tag--flare{color:var(--flare);border-color:rgba(255,122,26,.5)}

/* 6. 面包屑 */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--mute);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line)}
.breadcrumb a{color:var(--mute);transition:color .18s ease}
.breadcrumb a:hover{color:var(--signal)}
.breadcrumb [aria-current="page"]{color:var(--paper)}

/* 7. 图片容器 */
.media{
  position:relative;overflow:hidden;background:var(--ink-700);border-radius:2px;
}
.media img{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(.82) brightness(.78) contrast(1.05);
}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,18,32,.18),rgba(5,7,13,.78));
}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media__badge{
  position:absolute;left:12px;bottom:12px;z-index:2;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  padding:4px 9px;background:rgba(5,7,13,.8);border:1px solid var(--line);color:var(--paper);
}
.media__badge--live{background:var(--signal);border-color:var(--signal);color:var(--ink-900)}

/* 8. 比分牌 / 索引面板 / 时间轴 */
.scoreboard{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;
  background:var(--ink-700);padding:20px 24px;
  clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,22px 100%,0 calc(100% - 22px));
}
.scoreboard__side{font-family:var(--font-display);font-weight:800;font-size:20px;color:var(--paper)}
.scoreboard__score{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(26px,3.6vw,42px);color:var(--paper);letter-spacing:-.02em;
}
.scoreboard__meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--mute)}
.scoreboard__state{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--signal);
}
.scoreboard__state::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--signal);
  box-shadow:0 0 0 4px rgba(200,255,61,.16);
}

.index-panel{background:var(--ink-800);border-left:2px solid var(--line);padding:20px 22px}
.index-panel ol{display:grid;gap:12px;counter-reset:idx}
.index-panel li{
  counter-increment:idx;
  display:grid;grid-template-columns:40px 1fr;gap:10px;align-items:baseline;
  font-size:15px;
}
.index-panel li::before{
  content:counter(idx,decimal-leading-zero);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--signal);
}
.index-panel a{color:var(--mute);transition:color .18s ease}
.index-panel a:hover{color:var(--paper)}

.timeline-rail{
  position:relative;display:flex;gap:0;overflow-x:auto;padding:22px 0 8px;
  scrollbar-width:thin;
}
.timeline-rail::before{
  content:"";position:absolute;left:0;right:0;top:34px;height:1px;background:var(--line);
}
.timeline-node{
  position:relative;flex:0 0 150px;padding-top:34px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--mute);
}
.timeline-node::before{
  content:"";position:absolute;top:29px;left:0;
  width:11px;height:11px;border-radius:50%;
  background:var(--ink-900);border:2px solid var(--line);
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.timeline-node.is-active{color:var(--paper)}
.timeline-node.is-active::before{
  background:var(--signal);border-color:var(--signal);
  box-shadow:0 0 0 6px rgba(200,255,61,.16);
}

/* 9. 页头 —— 刊头式居中导航 */
.skip-link{
  position:fixed;top:8px;left:50%;transform:translate(-50%,-160%);
  z-index:200;padding:10px 18px;
  background:var(--signal);color:var(--ink-900);
  font-family:var(--font-mono);font-size:13px;font-weight:600;letter-spacing:.06em;
  transition:transform .2s ease;
}
.skip-link:focus{transform:translate(-50%,0)}

.site-header{
  position:sticky;top:0;z-index:100;
  background:radial-gradient(130% 200% at 50% -60%,rgba(200,255,61,.07),transparent 58%),var(--ink-900);
  border-bottom:1px solid var(--line);
}
.site-header::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:repeating-linear-gradient(90deg,
    rgba(200,255,61,.55) 0 26px,
    transparent 26px 62px,
    rgba(42,58,85,.95) 62px 88px,
    transparent 88px 124px);
}

.header-bar{
  position:relative;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;
  width:min(1440px,100% - 40px);margin-inline:auto;
  padding-block:16px;
  transition:padding .28s ease;
}
.header-rail{display:flex;align-items:center;gap:12px;min-width:0}
.header-rail--left{justify-self:start}
.header-rail--right{justify-self:end}
.rail-chip{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--mute);
  border:1px solid var(--line);padding:6px 11px;white-space:nowrap;
}
.rail-chip::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);flex:0 0 auto;
}

.masthead{display:flex;flex-direction:column;align-items:center;gap:10px;transition:gap .28s ease}
.masthead__kicker{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;
  color:var(--mute);text-transform:uppercase;white-space:nowrap;
  transition:opacity .22s ease,max-height .28s ease,margin .28s ease;
  max-height:24px;
}
.masthead__brand{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(30px,3.6vw,46px);letter-spacing:-.02em;line-height:1;
  color:var(--paper);
  transition:font-size .28s ease,color .18s ease;
}
.masthead__brand:hover{color:var(--signal)}

.masthead__nav{position:relative}
.nav-list{display:flex;align-items:center;justify-content:center;gap:2px}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 14px;font-size:15px;font-weight:500;
  color:var(--mute);transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--paper);background:rgba(42,58,85,.4)}
.nav-link[aria-current="page"]{color:var(--signal);background:rgba(200,255,61,.07)}
.nav-link[aria-current="page"]::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--signal);
}

.entry-switch{
  display:inline-flex;align-items:center;gap:3px;padding:3px;
  background:var(--ink-800);border:1px solid var(--line);
}
.entry-switch__seg{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;
  padding:6px 10px;color:var(--mute);white-space:nowrap;
  border:1px solid transparent;
  transition:color .18s ease,background-color .18s ease,border-color .18s ease;
}
.entry-switch__seg[data-entry-mode="classic"]{border-style:dashed;border-color:rgba(42,58,85,.9)}
.entry-switch__seg:hover{color:var(--paper)}
.entry-switch__seg[aria-pressed="true"]{
  color:var(--signal);border-style:solid;border-color:var(--signal);
  background:rgba(200,255,61,.08);
}

.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:8px 12px;border:1px solid var(--line);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--paper);
}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle__bars span{display:block;height:1.5px;background:var(--signal);transition:transform .22s ease,opacity .22s ease}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(4.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-4.5px) rotate(-45deg)}

.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(42,58,85,.55);overflow:hidden;pointer-events:none;
}
.scroll-progress span{
  display:block;height:100%;width:100%;
  background:linear-gradient(90deg,var(--cyan),var(--signal));
  transform:scaleX(0);transform-origin:left center;
  transition:transform .12s linear;
}

/* 收拢态：仅保留字标、栏目入口与下载按钮 */
.site-header.is-condensed .header-bar{padding-block:7px}
.site-header.is-condensed .masthead{gap:3px}
.site-header.is-condensed .masthead__kicker{opacity:0;max-height:0;overflow:hidden}
.site-header.is-condensed .masthead__brand{font-size:22px}
.site-header.is-condensed .nav-link{padding:4px 11px;font-size:13.5px}
.site-header.is-condensed .nav-link[aria-current="page"]::after{left:11px;right:11px;bottom:0}
.site-header.is-condensed .header-rail--left{opacity:0;pointer-events:none}
.site-header.is-condensed .btn--sm{padding:6px 11px;font-size:12px}

/* 10. 页脚 */
.site-footer{
  position:relative;
  background:linear-gradient(180deg,var(--ink-800),var(--ink-900) 62%);
  border-top:1px solid var(--line);
  color:var(--mute);
  padding-block:clamp(40px,5vw,76px) 26px;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;width:min(360px,60%);height:1px;background:var(--signal);
}
.footer-inner{
  width:var(--shell);margin-inline:auto;
  display:grid;gap:clamp(30px,4.2vw,56px);
}

.footer-paths{
  display:grid;gap:14px;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
}
.path-card{
  display:flex;flex-direction:column;gap:8px;
  padding:20px;background:var(--ink-700);border-top:2px solid var(--line);
  transition:background-color .22s ease,border-color .22s ease,transform .22s ease;
}
.path-card:hover{background:var(--ink-800);border-top-color:var(--signal);transform:translateY(-3px)}
.path-card__no{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;color:var(--signal);
}
.path-card__title{font-family:var(--font-display);font-weight:800;font-size:22px;color:var(--paper);line-height:1.15}
.path-card__desc{font-size:14px;line-height:1.65;color:var(--mute)}

.footer-grid{
  display:grid;gap:clamp(20px,3vw,38px);
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
}
.footer-col__title{
  font-family:var(--font-mono);font-weight:500;
  font-size:12px;letter-spacing:.18em;color:var(--paper);
  margin-bottom:14px;
}
.footer-list{display:grid;gap:10px;font-size:14.5px}
.footer-list a{color:var(--mute);transition:color .18s ease}
.footer-list a:hover{color:var(--signal)}
.footer-list--plain{font-size:14px}
.footer-list--plain .mono{color:var(--paper);font-size:13.5px;word-break:break-all}
.footer-note{font-size:12.5px;color:var(--mute);opacity:.85}

.footer-legal{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;
  padding-top:22px;border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.04em;color:var(--mute);
}
.footer-legal a{color:var(--mute);transition:color .18s ease}
.footer-legal a:hover{color:var(--signal)}
.footer-legal__links{display:flex;flex-wrap:wrap;gap:18px}
.footer-legal__copy{margin-left:auto}

/* 11. 显现动效 */
.js [data-reveal]{
  opacity:0;transform:translateY(16px);
  transition:opacity .5s ease,transform .55s cubic-bezier(.2,.8,.2,1);
}
.js [data-reveal].is-visible{opacity:1;transform:none}

/* 12. 响应式 */
@media (max-width:1100px){
  .header-bar{width:min(1440px,100% - 28px);gap:14px}
  .nav-link{padding:8px 10px;font-size:14px}
  .footer-paths{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
}

@media (max-width:900px){
  body{font-size:16px}
  .site-header .header-bar{
    grid-template-columns:1fr auto;
    grid-template-areas:"masthead toggle";
    padding-block:10px;gap:10px;
  }
  .header-rail--left{display:none}
  .masthead{grid-area:masthead;align-items:flex-start;gap:4px}
  .masthead__kicker{font-size:10px;letter-spacing:.16em;max-height:20px}
  .masthead__brand{font-size:26px}
  .nav-toggle{grid-area:toggle;display:inline-flex;justify-self:end}

  .masthead__nav{
    position:fixed;left:0;right:0;bottom:0;top:auto;z-index:120;
    background:var(--ink-800);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
    transform:translateY(110%);opacity:0;visibility:hidden;
    transition:transform .3s cubic-bezier(.2,.8,.2,1),opacity .3s ease,visibility .3s ease;
  }
  .masthead__nav[data-open]{transform:none;opacity:1;visibility:visible}
  .nav-list{
    justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;
    gap:4px;padding:10px 12px;scrollbar-width:none;
  }
  .nav-list::-webkit-scrollbar{display:none}
  .nav-link{flex:0 0 auto;white-space:nowrap;padding:10px 14px;font-size:14px}
  .nav-link[aria-current="page"]::after{left:14px;right:14px}

  .header-rail--right{
    position:fixed;right:14px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:130;
    flex-direction:column;align-items:flex-end;gap:8px;
    transition:opacity .22s ease,transform .22s ease;
  }
  .header-rail--right .btn--signal{box-shadow:0 10px 26px rgba(5,7,13,.7)}
  .entry-switch{background:rgba(11,18,32,.94);backdrop-filter:blur(6px)}
  .site-header[data-open] .header-rail--right{opacity:0;transform:translateY(12px);pointer-events:none}

  .site-header.is-condensed .header-bar{padding-block:8px}
  .site-header.is-condensed .masthead__brand{font-size:22px}
  .site-header.is-condensed .nav-link{padding:10px 14px;font-size:14px}

  .scoreboard{grid-template-columns:1fr;gap:10px}
  .footer-legal__copy{margin-left:0}
}

@media (max-width:600px){
  :root{--shell:min(1280px,100% - 32px)}
  .footer-paths{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px 18px}
  .footer-legal{gap:8px 16px;font-size:12px}
}

/* 13. 动效降级 */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0ms !important;
  }
  .js [data-reveal]{opacity:1;transform:none}
  .btn:hover,.path-card:hover{transform:none}
  .scroll-progress span{transition:none}
}