/* ============================================================
   爱游戏赛事 · site.css
   赛场夜灯下的数据作战室
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --ink-900:#071A15;
  --ink-800:#0C2A22;
  --forest-600:#1E4B3F;
  --mist-100:#E8EDF0;
  --paper-050:#F5F3EC;
  --cyan-500:#17E0C0;
  --cyan-300:#7CF0DC;
  --amber-500:#F2B441;
  --amber-700:#B87A16;
  --text-ink:#12211D;
  --line:#C9D3D9;

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

  --shell:1280px;
  --gutter:24px;
  --dur:220ms;
  --dur-fast:160ms;
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-top-h:44px;
}

/* ---------- 2. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
[hidden]{display:none !important}

/* ---------- 3. 中文排版基线 ---------- */
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--text-ink);
  background:var(--paper-050);
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
p{margin:0 0 1.2em}
h1,h2,h3{font-family:var(--font-display);font-weight:700;letter-spacing:-.01em;line-height:1.2}
strong{font-weight:700;color:var(--ink-800)}
::selection{background:var(--cyan-500);color:var(--ink-900)}

#main-content{scroll-margin-top:130px}
html.nav-open{overflow:hidden}

/* ---------- 4. 焦点态 ---------- */
:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{
  outline:2px solid var(--cyan-500);
  outline-offset:2px;
  box-shadow:0 0 0 1px var(--ink-900);
  border-radius:1px;
}

/* ---------- 5. 跳转链接 ---------- */
.skip-link{
  position:fixed;
  top:-120px;left:16px;
  z-index:400;
  padding:10px 18px;
  background:var(--ink-900);
  color:var(--cyan-500);
  border:1px solid var(--cyan-500);
  font-size:14px;
  letter-spacing:.06em;
  transition:top var(--dur-fast) var(--ease);
}
.skip-link:focus{top:12px}

/* ---------- 6. 布局工具 ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(36px,5vw,72px)}
.section--mist{background:var(--mist-100)}
.section--ink{background:var(--ink-900);color:var(--paper-050)}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gutter)}
.col-span-4{grid-column:span 4}
.col-span-5{grid-column:span 5}
.col-span-6{grid-column:span 6}
.col-span-7{grid-column:span 7}
.col-span-8{grid-column:span 8}
.col-span-12{grid-column:span 12}
.divider-ticks{
  height:5px;border:0;margin:0;
  background-image:repeating-linear-gradient(to right,var(--forest-600) 0 1px,transparent 1px 14px);
  opacity:.85;
}

/* ---------- 7. 按钮与标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;
  font-family:var(--font-display);
  font-size:13px;font-weight:600;letter-spacing:.12em;
  border:1px solid transparent;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--amber{background:var(--amber-500);color:var(--ink-900);border-color:var(--amber-500)}
.btn--amber:hover,.btn--amber:focus-visible{background:var(--ink-900);color:var(--amber-500);border-color:var(--amber-500)}
.btn--outline{background:transparent;color:var(--ink-800);border-color:var(--ink-800)}
.btn--outline:hover,.btn--outline:focus-visible{background:var(--ink-800);color:var(--paper-050);border-color:var(--ink-800)}

.label-mono{
  font-family:var(--font-body);
  font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan-300);
}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--amber-700);
}
.section-label::before{content:"";width:14px;height:1px;background:currentColor}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  border:1px solid var(--line);
  background:var(--paper-050);
  color:var(--forest-600);
}
.chip--amber{border-color:var(--amber-500);color:var(--amber-700);background:rgba(242,180,65,.12)}
.chip--cyan{border-color:var(--cyan-500);color:var(--ink-800);background:rgba(23,224,192,.12)}

/* ---------- 8. 头部 · 上层品牌带 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--ink-900);
  color:var(--paper-050);
}
.header-top{background:var(--ink-900)}
.header-top__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;
  min-height:var(--header-top-h);
  padding-block:6px;
}
.header-brand{
  display:flex;align-items:center;gap:14px;
  margin:0;min-width:0;
}
.header-brand__mark{
  font-family:var(--font-display);
  font-weight:700;font-size:15px;letter-spacing:.18em;
  color:var(--paper-050);white-space:nowrap;
}
.header-brand__status{
  display:inline-flex;align-items:center;gap:7px;
  padding-left:14px;
  border-left:1px solid var(--forest-600);
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.04em;
  color:var(--cyan-300);white-space:nowrap;
  font-variant-numeric:tabular-nums;
}
.status-dot{
  width:6px;height:6px;flex:none;
  background:var(--cyan-500);border-radius:50%;
  box-shadow:0 0 0 3px rgba(23,224,192,.16);
}
.header-utility{display:flex;align-items:center;gap:18px;min-width:0}
.header-saved{
  display:inline-flex;align-items:center;gap:8px;
  padding:3px 10px;
  border:1px solid var(--forest-600);
  font-size:12px;letter-spacing:.06em;
  color:var(--paper-050);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.header-saved:hover,.header-saved:focus-visible{border-color:var(--cyan-500);color:var(--cyan-500)}
.header-saved__label{white-space:nowrap}
.header-saved__count{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:12px;color:var(--amber-500);
}
.header-contact{
  display:flex;align-items:center;gap:16px;
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.02em;
  color:var(--mist-100);
}
.header-contact__item{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}

/* ---------- 9. 头部 · 下层栏目轴 ---------- */
.header-nav{position:relative;background:var(--ink-800)}
.header-nav::before{
  content:"";position:absolute;top:0;left:0;right:0;height:5px;z-index:1;
  background-image:repeating-linear-gradient(to right,var(--forest-600) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.header-nav__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:56px;
}
.nav{min-width:0}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-item{list-style:none}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  padding:16px 14px;
  font-size:14px;letter-spacing:.02em;
  color:var(--mist-100);
  transition:color var(--dur) var(--ease);
}
.nav-link__no{
  font-family:var(--font-mono);
  font-size:10px;letter-spacing:.1em;
  color:rgba(124,240,220,.45);
  font-variant-numeric:tabular-nums;
}
.nav-link__text{display:inline-block;white-space:nowrap}
.nav-link__desc{display:none}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--cyan-500);
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:#fff}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-link[aria-current="page"] .nav-link__no{color:var(--cyan-500)}

.nav-cta{flex:none}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 12px;
  border:1px solid var(--forest-600);
  color:var(--cyan-500);
  font-size:12px;letter-spacing:.14em;
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"]{background:var(--forest-600);border-color:var(--cyan-500)}
.nav-toggle__bars{
  width:16px;height:11px;flex:none;
  background-image:repeating-linear-gradient(to bottom,var(--cyan-500) 0 1px,transparent 1px 5px);
  background-size:16px 11px;
}
.nav-toggle__text{white-space:nowrap}

.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  z-index:3;pointer-events:none;
}
.scroll-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--cyan-500),var(--amber-500));
}

/* ---------- 10. 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--ink-900);
  color:var(--mist-100);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:5px;
  background-image:repeating-linear-gradient(to right,var(--forest-600) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.footer-leagues{
  background:var(--ink-800);
  padding-block:32px;
  border-bottom:1px solid var(--forest-600);
}
.footer-leagues__head{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:12px 20px;flex-wrap:wrap;
  margin-bottom:18px;
}
.footer-leagues__title{
  font-family:var(--font-display);
  font-size:20px;letter-spacing:.08em;
  color:var(--paper-050);
}
.footer-leagues__meta{
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.05em;
  color:var(--cyan-300);
}
.footer-league-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.footer-league__link{
  display:grid;
  grid-template-columns:auto 1fr;
  align-items:baseline;
  gap:2px 10px;
  padding:14px 16px;
  border:1px solid var(--forest-600);
  background:rgba(7,26,21,.35);
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-league__link:hover,.footer-league__link:focus-visible{
  border-color:var(--cyan-500);
  background:rgba(23,224,192,.07);
  transform:translateX(2px);
}
.footer-league__no{
  grid-row:1;
  font-family:var(--font-mono);
  font-size:10px;letter-spacing:.1em;
  color:var(--amber-500);
  font-variant-numeric:tabular-nums;
}
.footer-league__name{
  grid-row:1;
  font-family:var(--font-display);
  font-size:17px;letter-spacing:.04em;
  color:var(--paper-050);
}
.footer-league__round{
  grid-column:2;
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.04em;
  color:var(--cyan-300);
  font-variant-numeric:tabular-nums;
}

.footer-main{padding-block:44px}
.footer-main__inner{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-col--brand{max-width:38ch}
.footer-brand{
  font-family:var(--font-display);
  font-size:22px;letter-spacing:.16em;
  color:var(--paper-050);
  margin:0 0 10px;
}
.footer-brand__note{
  margin:0;
  font-size:13px;line-height:1.85;
  color:var(--mist-100);opacity:.8;
  max-width:34ch;
}
.footer-col__title{
  font-family:var(--font-body);
  font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan-300);
  margin:0 0 12px;
}
.footer-list{display:grid;gap:8px;margin:0}
.footer-link{
  font-size:13px;
  color:var(--mist-100);
  transition:color var(--dur) var(--ease);
}
.footer-link:hover,.footer-link:focus-visible{color:var(--cyan-500)}
.footer-link--sm{font-size:12px}
.footer-note{
  margin:0 0 10px;
  font-size:13px;line-height:1.85;
  color:var(--mist-100);opacity:.75;
  max-width:34ch;
}
.footer-meta{
  background:var(--ink-900);
  border-top:1px solid var(--forest-600);
  padding-block:20px 28px;
}
.footer-meta__inner{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:10px 20px;
}
.footer-meta__text{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.02em;
  color:var(--mist-100);opacity:.72;
  font-variant-numeric:tabular-nums;
}
.footer-meta__text--dim{flex-basis:100%;opacity:.5;line-height:1.8}
.footer-legal{
  display:flex;flex-wrap:wrap;
  gap:6px 16px;
  margin:0 0 0 auto;
}

/* ---------- 11. 框景与叠层 ---------- */
.frame{
  position:relative;
  border:1px solid var(--forest-600);
  background:var(--paper-050);
  padding:clamp(20px,3vw,36px);
}
.frame--ticks::before,.frame--ticks::after{
  content:"";position:absolute;left:-1px;right:-1px;height:5px;
  background-image:repeating-linear-gradient(to right,var(--forest-600) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.frame--ticks::before{top:-6px}
.frame--ticks::after{bottom:-6px}
.frame--dark{background:var(--ink-800);border-color:var(--forest-600);color:var(--paper-050)}
.frame__inner{position:relative;z-index:1}

.layer-card{
  position:relative;
  background:var(--paper-050);
  border:1px solid var(--ink-900);
  padding:clamp(16px,2vw,24px);
  box-shadow:8px 8px 0 -1px var(--mist-100),8px 8px 0 0 var(--line);
}
.layer-card__title{
  font-family:var(--font-display);
  font-size:17px;letter-spacing:.04em;
  color:var(--ink-800);
  margin:0 0 8px;
}

/* ---------- 12. 图片容器 ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  background:var(--ink-800);
  border:1px solid var(--ink-900);
  aspect-ratio:16 / 9;
}
.media-frame img{display:block;width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(135deg,rgba(23,224,192,.16) 0 1px,transparent 1px 12px),
    linear-gradient(to top,rgba(7,26,21,.55),transparent 60%);
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--portrait{aspect-ratio:4 / 5}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame__cap{
  position:absolute;left:0;bottom:0;z-index:1;
  padding:8px 12px;
  background:var(--ink-900);
  color:var(--cyan-300);
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.08em;
  font-variant-numeric:tabular-nums;
}

/* ---------- 13. 正文与面包屑 ---------- */
.prose{max-width:70ch;font-size:16px;line-height:1.75}
.prose p{margin:0 0 1.2em}
.prose h2{
  font-family:var(--font-display);
  font-size:clamp(24px,3vw,32px);
  letter-spacing:-.01em;
  margin:1.6em 0 .6em;
  color:var(--ink-800);
}
.prose h3{
  font-family:var(--font-display);
  font-size:19px;letter-spacing:.02em;
  margin:1.4em 0 .5em;
  color:var(--ink-800);
}
.prose ul,.prose ol{display:grid;gap:.5em;margin:0 0 1.2em}
.prose li{position:relative;padding-left:18px}
.prose li::before{
  content:"";position:absolute;left:0;top:.78em;
  width:8px;height:1px;background:var(--forest-600);
}
.prose a{color:var(--amber-700);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--ink-800)}
.prose blockquote{
  font-family:var(--font-serif);
  font-size:20px;line-height:1.7;
  border-left:2px solid var(--amber-500);
  padding-left:18px;
  margin:1.6em 0;
  color:var(--forest-600);
}

.breadcrumb{padding-block:16px}
.breadcrumb__list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.04em;
  color:var(--forest-600);
}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:var(--line)}
.breadcrumb__link{color:var(--forest-600);transition:color var(--dur) var(--ease)}
.breadcrumb__link:hover,.breadcrumb__link:focus-visible{color:var(--amber-700)}
.breadcrumb__current{color:var(--text-ink)}

/* ---------- 14. 数据单元与表格 ---------- */
.stat{display:grid;gap:2px}
.stat__value{
  font-family:var(--font-mono);
  font-size:clamp(22px,2.6vw,30px);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  line-height:1.15;
  color:var(--text-ink);
}
.stat__label{
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--forest-600);
}
.stat--on-dark .stat__value{color:var(--cyan-500)}
.stat--on-dark .stat__label{color:var(--cyan-300)}

.data-table{width:100%;border-collapse:collapse;font-size:14px}
.data-table th{
  padding:10px 12px;
  text-align:left;
  font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--forest-600);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.data-table td{
  padding:10px 12px;
  border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.data-table td.num{font-family:var(--font-mono);text-align:right}

/* ---------- 15. 章节轴与展开组 ---------- */
.toc-link{
  display:block;
  padding:8px 0 8px 14px;
  border-left:1px solid var(--line);
  font-size:13px;
  color:var(--forest-600);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.toc-link:hover{color:var(--ink-800)}
.toc-link.is-active{
  color:var(--ink-800);
  border-left:2px solid var(--cyan-500);
  padding-left:13px;
}

.accordion{border-top:1px solid var(--line)}
.accordion__item{border-bottom:1px solid var(--line)}
.accordion__trigger{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;
  text-align:left;
  font-family:var(--font-display);
  font-size:16px;letter-spacing:.02em;
  color:var(--ink-800);
  transition:color var(--dur) var(--ease);
}
.accordion__trigger:hover{color:var(--amber-700)}
.accordion__icon{
  flex:none;width:10px;height:10px;
  border-right:1px solid currentColor;
  border-bottom:1px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
  transition:transform var(--dur) var(--ease);
}
.accordion__trigger[aria-expanded="true"] .accordion__icon{transform:rotate(-135deg) translateY(-2px)}
.accordion__panel{
  padding:0 0 18px;
  font-size:15px;line-height:1.75;
  color:var(--forest-600);
  max-width:70ch;
}

/* ---------- 16. 显现 ---------- */
.js-reveal-enabled [data-reveal]{
  opacity:0;transform:translateY(16px);
  transition:opacity 460ms var(--ease),transform 460ms var(--ease);
}
.js-reveal-enabled [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 17. 响应式 ---------- */
@media (max-width:1199px){
  .header-contact__item--mail{display:none}
}

@media (max-width:1023px){
  .footer-main__inner{grid-template-columns:1fr 1fr;gap:28px}
  .section--split{grid-template-columns:1fr}
}

@media (max-width:959px){
  :root{--gutter:18px}
  .header-brand__status{display:none}
  .header-contact{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta{margin-left:auto}
  .header-nav__inner{min-height:54px;gap:12px}

  .nav{
    position:absolute;
    top:100%;left:0;right:0;
    display:none;
    background:var(--ink-800);
    border-bottom:1px solid var(--cyan-500);
    max-height:calc(100vh - 110px);
    overflow-y:auto;
    box-shadow:0 20px 32px rgba(7,26,21,.5);
  }
  .nav[data-open="true"]{display:block}
  .nav-list{
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px var(--gutter) 20px;
  }
  .nav-item + .nav-item{border-top:1px solid var(--forest-600)}
  .nav-link{
    flex-wrap:wrap;
    gap:6px 10px;
    width:100%;
    padding:14px 0;
    font-size:15px;
  }
  .nav-link::after{display:none}
  .nav-link:hover{color:var(--cyan-300)}
  .nav-link[aria-current="page"]{color:var(--cyan-500)}
  .nav-link__desc{
    display:block;
    order:3;
    flex-basis:100%;
    margin-top:2px;
    font-size:12px;
    letter-spacing:.02em;
    color:var(--mist-100);
    opacity:.62;
  }
  #main-content{scroll-margin-top:110px}
}

@media (max-width:899px){
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .col-span-4,.col-span-5,.col-span-6,.col-span-7,.col-span-8,.col-span-12{grid-column:span 6}
}

@media (max-width:719px){
  .footer-league-list{grid-template-columns:1fr}
  .footer-main__inner{grid-template-columns:1fr;gap:24px}
  .footer-main{padding-block:32px}
  .footer-legal{margin-left:0}
  .footer-meta__inner{flex-direction:column;align-items:flex-start;gap:8px}
  .header-brand__mark{font-size:14px;letter-spacing:.12em}
  .nav-cta{padding:9px 14px;font-size:12px}
}

/* ---------- 18. 减少动效 ---------- */
@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-enabled [data-reveal]{opacity:1;transform:none}
  .footer-league__link:hover,.footer-league__link:focus-visible{transform:none}
  .btn:active{transform:none}
}