/* =========================================================
   宝威体育赛事 · 中国站 — 共享样式 /assets/site.css
   午夜深蓝底 / 宝威橙红锚点 / 沙金与胡杨黄节点
   ========================================================= */

*,*::before,*::after{box-sizing:border-box}

:root{
  --ink-900:#0A1128;
  --ink-850:#0C1430;
  --ink-800:#131E3D;
  --ink-700:#253356;
  --brand:#FF4B1F;
  --brand-soft:#FF8A5C;
  --sand:#C9A227;
  --poplar:#F2C744;
  --card-red:#E03A3A;
  --snow:#F4F7FC;
  --mist:#9AA8C4;
  --turf:#1FB58C;

  --rail-w:264px;
  --topbar-h:64px;
  --maxw:1280px;
  --gut:24px;

  --r-s:12px;
  --r-m:20px;
  --r-l:32px;
  --r-pill:999px;

  --dur:240ms;
  --dur-in:420ms;
  --ease:cubic-bezier(.22,.61,.36,1);

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  padding-top:var(--topbar-h);
  background:var(--ink-900);
  color:var(--snow);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(680px 420px at 94% -8%, rgba(255,75,31,.16), transparent 70%),
    radial-gradient(560px 400px at -10% 108%, rgba(201,162,39,.12), transparent 72%),
    radial-gradient(2px 2px at 18% 22%, rgba(244,247,252,.5), transparent 60%),
    radial-gradient(1.6px 1.6px at 72% 12%, rgba(244,247,252,.38), transparent 60%),
    radial-gradient(1.6px 1.6px at 44% 68%, rgba(244,247,252,.32), transparent 60%),
    radial-gradient(1.4px 1.4px at 86% 52%, rgba(244,247,252,.28), transparent 60%);
}

::selection{background:var(--brand);color:#fff}

img,svg,video{max-width:100%}

h1,h2,h3,h4{line-height:1.2}

p{margin:0 0 1em}
p:last-child{margin-bottom:0}

a{color:var(--brand-soft)}

:focus-visible{outline:2px solid var(--brand-soft);outline-offset:3px;border-radius:6px}

#main-content{position:relative;z-index:1;display:block}

@media (min-width:1024px){
  body{padding-top:0;padding-left:var(--rail-w)}
}

/* ---------------- 头部：框架式索引条 ---------------- */

.site-header{
  position:fixed;
  z-index:80;
  top:0;left:0;right:0;
  height:var(--topbar-h);
  display:flex;
  align-items:center;
  gap:12px;
  padding:0 16px;
  background:rgba(12,20,48,.94);
  border-bottom:1px solid var(--ink-700);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}

.skip-link{
  position:absolute;
  top:8px;left:16px;
  z-index:200;
  padding:10px 16px;
  background:var(--brand);
  color:#fff;
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  border-radius:var(--r-pill);
  transform:translateY(-200%);
  transition:transform var(--dur) var(--ease);
}
.skip-link:focus-visible{transform:translateY(0)}

.rail-brand{display:flex;align-items:center;min-width:0}
.rail-brand__link{
  display:flex;
  flex-direction:column;
  gap:2px;
  text-decoration:none;
  color:inherit;
}
.rail-brand__mark{
  font-size:16px;
  font-weight:900;
  letter-spacing:.02em;
  color:var(--snow);
  white-space:nowrap;
}
.rail-brand__mark::after{
  content:"";
  display:inline-block;
  width:7px;height:7px;
  margin-left:8px;
  border-radius:50%;
  background:var(--brand);
  vertical-align:middle;
}
.rail-brand__sub{display:none;font-size:11px;letter-spacing:.06em;color:var(--mist)}

.nav-toggle{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:8px 14px;
  background:transparent;
  border:1px solid var(--ink-700);
  border-radius:var(--r-pill);
  color:var(--snow);
  font-family:inherit;
  font-size:13px;
  font-weight:500;
  letter-spacing:.08em;
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-soft)}
.nav-toggle__bars{position:relative;display:block;width:16px;height:10px}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;right:0;
  height:2px;
  background:currentColor;
  border-radius:2px;
  transition:transform var(--dur) var(--ease);
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{bottom:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-4px) rotate(-45deg)}
.nav-toggle__text{line-height:1}

.site-nav{
  position:fixed;
  left:12px;right:12px;bottom:12px;
  z-index:90;
  max-height:78vh;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
  gap:18px;
  padding:20px 18px 22px;
  background:var(--ink-800);
  border:1px solid var(--ink-700);
  border-radius:var(--r-l);
  box-shadow:0 24px 60px rgba(0,0,0,.55);
  transform:translateY(calc(100% + 28px));
  opacity:0;
  visibility:hidden;
  transition:transform var(--dur-in) var(--ease),opacity var(--dur) var(--ease),visibility var(--dur) linear;
}
.site-nav[data-open="true"]{transform:translateY(0);opacity:1;visibility:visible}

.nav-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.nav-list__item{margin:0}
.nav-link{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:12px 14px;
  border-left:2px solid transparent;
  border-radius:var(--r-m);
  color:var(--snow);
  font-size:16px;
  font-weight:500;
  text-decoration:none;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-link__idx{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--sand)}
.nav-link__label{letter-spacing:.02em}
.nav-link:hover{background:rgba(255,75,31,.08);border-left-color:var(--brand-soft)}
.nav-link[aria-current="page"]{
  background:linear-gradient(90deg,rgba(255,75,31,.20),rgba(255,75,31,0));
  border-left-color:var(--brand);
  color:#fff;
  font-weight:700;
}
.nav-link[aria-current="page"] .nav-link__idx{color:var(--brand-soft)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 20px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-family:inherit;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 12px 28px rgba(255,75,31,.26)}
.btn--primary:hover{background:var(--brand-soft);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--snow);border-color:var(--ink-700)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand-soft)}

.rail-cta{width:100%}

.rail-meta{
  list-style:none;
  margin:0;
  padding:14px 0 0;
  border-top:1px solid var(--ink-700);
  display:flex;
  flex-direction:column;
  gap:8px;
}
.rail-meta__item{display:flex;gap:10px;font-size:12px;line-height:1.5}
.rail-meta__key{flex:0 0 auto;font-family:var(--font-mono);letter-spacing:.04em;color:var(--sand)}
.rail-meta__val{color:var(--mist);overflow-wrap:anywhere;word-break:break-word}

.read-progress{
  position:absolute;
  left:0;right:0;bottom:-3px;
  height:3px;
  z-index:5;
  background:rgba(37,51,86,.65);
  pointer-events:none;
}
.read-progress__fill{
  display:block;
  height:100%;
  width:calc(var(--progress,0) * 100%);
  background:linear-gradient(90deg,var(--brand),var(--poplar));
  transition:width 120ms linear;
}

@media (min-width:1024px){
  .site-header{
    right:auto;
    bottom:0;
    width:var(--rail-w);
    height:100vh;
    flex-direction:column;
    align-items:stretch;
    gap:26px;
    padding:34px 22px 26px 26px;
    border-bottom:0;
    border-right:1px solid var(--ink-700);
    background:linear-gradient(180deg,#0C1430 0%,#0A1128 55%,#080D20 100%);
    overflow:hidden;
  }
  .site-header::before{
    content:"";
    position:absolute;
    top:-96px;left:-72px;
    width:260px;height:260px;
    border-radius:48% 52% 60% 40% / 55% 45% 55% 45%;
    background:radial-gradient(circle at 42% 42%, rgba(255,75,31,.30), transparent 68%);
    pointer-events:none;
  }
  .skip-link{left:calc(var(--rail-w) + 16px)}
  .rail-brand__sub{display:block}
  .rail-brand__mark{font-size:17px}
  .nav-toggle{display:none}
  .site-nav,
  .site-nav[data-open="true"]{
    position:static;
    left:auto;right:auto;bottom:auto;
    max-height:none;
    overflow:visible;
    flex:1;
    padding:0;
    gap:20px;
    background:transparent;
    border:0;
    border-radius:0;
    box-shadow:none;
    transform:none;
    opacity:1;
    visibility:visible;
  }
  .site-nav .rail-cta{margin-top:auto}
  .read-progress{
    left:auto;top:0;bottom:0;right:-1px;
    width:3px;height:auto;
    background:rgba(37,51,86,.5);
  }
  .read-progress__fill{
    width:100%;
    height:calc(var(--progress,0) * 100%);
    background:linear-gradient(180deg,var(--brand),var(--poplar));
    transition:height 120ms linear;
  }
}

/* ---------------- 布局与排版基础 ---------------- */

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 20px;
}

.section{padding:64px 0}
.section--tight{padding:36px 0}
.section__head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:32px;
}

@media (min-width:768px){
  .container{padding:0 32px}
  .section{padding:80px 0}
}
@media (min-width:1024px){
  .container{padding:0 40px 0 48px}
  .section{padding:104px 0}
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--sand);
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--sand)}

.display-1{
  margin:0;
  font-size:clamp(44px,10vw,96px);
  font-weight:900;
  line-height:.96;
  letter-spacing:-.02em;
}
.display-2{
  margin:0;
  font-size:clamp(32px,6vw,64px);
  font-weight:900;
  line-height:1.02;
  letter-spacing:-.02em;
}
.display-3{
  margin:0;
  font-size:clamp(24px,3.4vw,40px);
  font-weight:800;
  line-height:1.12;
  letter-spacing:-.01em;
}
.lede{
  margin:0;
  max-width:52ch;
  font-size:clamp(16px,1.6vw,19px);
  line-height:1.75;
  color:var(--mist);
}
.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:600;
  letter-spacing:-.01em;
}
.accent{color:var(--brand)}
.text-mist{color:var(--mist)}

.divider{
  height:1px;
  border:0;
  margin:0;
  background:linear-gradient(90deg,var(--ink-700),rgba(37,51,86,0));
}

/* ---------------- Bento 模块网格 ---------------- */

.bento{
  display:grid;
  gap:var(--gut);
  grid-template-columns:1fr;
}
.bento__cell{grid-column:span 1;min-width:0}

@media (min-width:768px){
  .bento{grid-template-columns:repeat(8,1fr)}
  .bento__cell{grid-column:span 4}
  .bento__cell--focus{grid-column:span 8}
  .bento__cell--wide{grid-column:span 8}
  .bento__cell--tall{grid-column:span 4;min-height:300px}
}

@media (min-width:1024px){
  .bento{grid-template-columns:repeat(12,1fr);grid-auto-rows:minmax(120px,auto)}
  .bento__cell{grid-column:span 3}
  .bento__cell--focus{grid-column:span 6;grid-row:span 2}
  .bento__cell--wide{grid-column:span 6}
  .bento__cell--tall{grid-column:span 3;grid-row:span 2;min-height:0}
}

/* ---------------- 卡片 ---------------- */

.card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:24px;
  background:var(--ink-800);
  border:1px solid var(--ink-700);
  border-radius:var(--r-l);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),background var(--dur) var(--ease);
}
.card:hover,
.card:focus-within{border-color:var(--brand);transform:translateY(-2px)}

.card--focus{
  padding:28px;
  background:linear-gradient(150deg,rgba(255,75,31,.18),var(--ink-800) 62%);
  border-color:rgba(255,75,31,.38);
}
.card--data{padding:20px;gap:6px;border-radius:var(--r-m)}
.card--wide{
  flex-direction:row;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:20px;
}

.card__kicker{
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--mist);
}
.card__title{margin:0;font-size:22px;font-weight:800;letter-spacing:-.01em}
.card__text{margin:0;font-size:15px;line-height:1.7;color:var(--mist)}
.card__figure{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(34px,5vw,56px);
  font-weight:600;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--snow);
}
.card__foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
}
.card__link{
  font-size:15px;
  font-weight:700;
  color:var(--brand);
  text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.card__link:hover{color:var(--brand-soft);text-decoration:underline}

/* ---------------- 标签 ---------------- */

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 10px;
  border:1px solid var(--ink-700);
  border-radius:var(--r-pill);
  background:rgba(10,17,40,.6);
  color:var(--mist);
  font-size:12px;
  letter-spacing:.06em;
  white-space:nowrap;
}
.tag--brand{background:var(--brand);border-color:transparent;color:#fff;font-weight:700}
.tag--gold{color:var(--sand);border-color:rgba(201,162,39,.45)}
.tag--card{color:var(--poplar);border-color:rgba(242,199,68,.5)}
.tag--red{color:#ff9b9b;border-color:rgba(224,58,58,.55)}
.tag--ok{color:var(--turf);border-color:rgba(31,181,140,.45)}

/* ---------------- 面包屑 ---------------- */

.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  list-style:none;
  margin:0 0 20px;
  padding:0;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--mist);
}
.breadcrumbs__item{display:flex;align-items:center;gap:8px}
.breadcrumbs__item + .breadcrumbs__item::before{content:"/";color:var(--ink-700)}
.breadcrumbs a{color:var(--mist);text-decoration:none;transition:color var(--dur) var(--ease)}
.breadcrumbs a:hover{color:var(--brand-soft)}
.breadcrumbs [aria-current="page"]{color:var(--snow)}

/* ---------------- 正文容器 ---------------- */

.prose{max-width:68ch}
.prose p{margin:0 0 18px}
.prose h2{
  margin:40px 0 14px;
  font-size:clamp(24px,3vw,34px);
  font-weight:900;
  letter-spacing:-.01em;
}
.prose h3{margin:28px 0 10px;font-size:20px;font-weight:800}
.prose ul,
.prose ol{margin:0 0 18px;padding-left:20px;color:var(--mist)}
.prose li{margin-bottom:8px}
.prose strong{color:var(--snow)}
.prose a{color:var(--brand-soft)}

/* ---------------- 图片 / 视觉占位容器 ---------------- */

.media{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  aspect-ratio:16/10;
  border:1px solid var(--ink-700);
  border-radius:var(--r-l);
  background:
    linear-gradient(140deg,rgba(255,75,31,.16),rgba(10,17,40,.25) 46%,rgba(201,162,39,.14)),
    var(--ink-800);
}
.media::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  background:radial-gradient(circle at 78% 16%, rgba(244,247,252,.20), transparent 62%);
}
.media::after{
  content:"";
  position:absolute;
  left:-8%;right:-8%;bottom:-40%;
  height:78%;
  z-index:0;
  border-radius:50%;
  border:1px solid rgba(154,168,196,.22);
  pointer-events:none;
}
.media img{
  position:absolute;
  inset:0;
  z-index:1;
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:4/5}
.media--square{aspect-ratio:1/1}
.media__tag{
  position:relative;
  z-index:2;
  align-self:flex-start;
  margin:16px 16px 0;
  padding:6px 12px;
  border:1px solid var(--ink-700);
  border-radius:var(--r-pill);
  background:rgba(10,17,40,.72);
  color:var(--mist);
  font-size:12px;
  letter-spacing:.08em;
}
.media__caption{
  position:relative;
  z-index:2;
  margin:10px 16px 16px;
  font-size:14px;
  font-weight:700;
  color:var(--snow);
  text-shadow:0 1px 14px rgba(0,0,0,.7);
}

/* ---------------- 滚动显现 ---------------- */

.js [data-reveal]{opacity:0;transform:translateY(12px)}
.js [data-reveal].is-in{
  opacity:1;
  transform:none;
  transition:opacity var(--dur-in) var(--ease),transform var(--dur-in) var(--ease);
}

/* ---------------- 页脚 ---------------- */

.site-footer{
  position:relative;
  z-index:1;
  margin-top:88px;
  background:linear-gradient(180deg,#0C1430 0%,#080D20 100%);
  border-top:1px solid var(--ink-700);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;
  width:190px;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--poplar));
}

.footer-inner{padding-top:56px;padding-bottom:32px}

.footer-top{display:grid;gap:40px}
@media (min-width:1024px){
  .footer-top{grid-template-columns:minmax(260px,.9fr) 2fr;gap:64px}
}

.footer-brand{min-width:0}
.footer-brand__mark{
  margin:0 0 8px;
  font-size:clamp(24px,2.6vw,32px);
  font-weight:900;
  letter-spacing:-.01em;
  color:var(--snow);
}
.footer-brand__sub{
  margin:0 0 16px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.04em;
  color:var(--sand);
}
.footer-brand__note{
  margin:0;
  max-width:34ch;
  font-size:15px;
  line-height:1.75;
  color:var(--mist);
}

.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:repeat(3,1fr);gap:40px}}

.footer-col{min-width:0}
.footer-col__title{
  margin:0 0 16px;
  font-size:13px;
  font-weight:500;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--sand);
}

.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-link{
  position:relative;
  display:inline-block;
  width:fit-content;
  color:var(--snow);
  font-size:15px;
  text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.footer-link::after{
  content:"";
  position:absolute;
  left:0;right:100%;bottom:-2px;
  height:1px;
  background:var(--brand);
  transition:right var(--dur) var(--ease);
}
.footer-link:hover{color:var(--brand-soft)}
.footer-link:hover::after{right:0}

.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-contact__item{display:flex;gap:10px;font-size:14px;line-height:1.6}
.footer-contact__key{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--sand);
}
.footer-contact__val{color:var(--mist);overflow-wrap:anywhere;word-break:break-word}

.footer-copy{
  margin-top:14px;
  align-self:flex-start;
  padding:8px 14px;
  background:transparent;
  border:1px dashed var(--ink-700);
  border-radius:var(--r-pill);
  color:var(--mist);
  font-family:inherit;
  font-size:13px;
  letter-spacing:.06em;
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.footer-copy:hover{border-color:var(--brand);color:var(--brand-soft)}
.footer-copy.is-copied{border-style:solid;border-color:var(--turf);color:var(--turf)}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 28px;
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid var(--ink-700);
  font-size:13px;
  color:var(--mist);
}
.footer-legal__line{
  margin:0;
  font-family:var(--font-mono);
  letter-spacing:.04em;
  color:var(--snow);
}
.footer-legal__region{margin:0}
.footer-legal__copyright{margin:0;font-family:var(--font-mono);letter-spacing:.02em}
.footer-legal__note{
  flex:1 1 300px;
  min-width:200px;
  margin:0;
  font-size:12px;
  line-height:1.65;
  color:var(--mist);
}

.to-top{
  margin-left:auto;
  padding:9px 16px;
  background:transparent;
  border:1px solid var(--ink-700);
  border-radius:var(--r-pill);
  color:var(--snow);
  font-family:inherit;
  font-size:13px;
  letter-spacing:.06em;
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.to-top:hover{border-color:var(--brand);color:var(--brand-soft);transform:translateY(-1px)}

@media (max-width:639px){
  .to-top{margin-left:0}
}

/* ---------------- 无障碍与动效降级 ---------------- */

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js [data-reveal]{opacity:1;transform:none}
  .card:hover,.card:focus-within,.btn--primary:hover,.to-top:hover{transform:none}
}