/* ============================================================
   冠竞体育赛事 · 共享样式 /assets/site.css
   战术板体系：深墨绿草皮 + 红黄牌索引 + 等宽数据字
   ============================================================ */

:root{
  --turf:#071C17;
  --field:#0E3028;
  --pitch:#1C4B3D;
  --red:#E8483F;
  --yellow:#FFC93C;
  --white:#F3F7F2;
  --data:#A9C3CE;
  --teal:#39E0B0;
  --ink:#020A08;

  --line:rgba(169,195,206,.20);
  --line-soft:rgba(169,195,206,.11);
  --red-soft:rgba(232,72,63,.16);
  --yellow-soft:rgba(255,201,60,.16);
  --teal-soft:rgba(57,224,176,.13);

  --shell:1240px;
  --gutter:clamp(18px,4vw,48px);
  --header-h:74px;

  --radius-lg:26px;
  --radius-md:16px;
  --radius-pill:999px;

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

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  margin:0;
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  color:var(--white);
  background-color:var(--turf);
  background-image:
    linear-gradient(to right,rgba(57,224,176,.05) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(57,224,176,.05) 1px,transparent 1px);
  background-size:64px 64px;
  background-position:center top;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}

/* ---------- 中文排版 ---------- */
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.08;
  letter-spacing:.01em;
  color:var(--white);
}
h1{font-size:clamp(40px,7vw,92px)}
h2{font-size:clamp(27px,3.6vw,44px)}
h3{font-size:clamp(19px,2.1vw,26px);line-height:1.24}
p{font-size:16px;line-height:1.75}
strong{font-weight:700;color:var(--white)}
::selection{background:var(--yellow);color:var(--ink)}

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

/* ---------- 通用工具 ---------- */
.wrap{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.wrap--narrow{max-width:860px}
.section{position:relative;padding-block:clamp(54px,7vw,104px)}
.section--field{background:var(--field);border-block:1px solid var(--line-soft)}
.section--pitch{background:linear-gradient(180deg,var(--pitch),var(--field))}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:clamp(24px,3vw,40px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--teal);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--yellow)}
.lede{max-width:62ch;font-size:clamp(16px,1.5vw,18px);color:var(--data)}
.grid{display:grid;gap:clamp(16px,2vw,28px);grid-template-columns:repeat(auto-fit,minmax(258px,1fr))}
.flow > * + *{margin-top:var(--flow,18px)}
.hairline{height:1px;border:0;margin:0;background:var(--line)}
.coord{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--data);font-variant-numeric:tabular-nums}
.page-top{padding-top:calc(var(--header-h) + clamp(30px,6vw,72px))}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
#main-content{scroll-margin-top:calc(var(--header-h) + 16px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 26px;border:1px solid transparent;border-radius:var(--radius-pill);
  font-family:var(--font-body);font-size:15px;font-weight:700;line-height:1.2;
  transition:transform .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--yellow);color:var(--ink)}
.btn--primary:hover{background:#ffd968}
.btn--ghost{border-color:rgba(169,195,206,.36);color:var(--white)}
.btn--ghost:hover{border-color:var(--teal);color:var(--teal);background:var(--teal-soft)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  background:rgba(169,195,206,.12);color:var(--data);
}
.tag--red{background:var(--red-soft);color:#ff9d97}
.tag--yellow{background:var(--yellow-soft);color:var(--yellow)}
.tag--teal{background:var(--teal-soft);color:var(--teal)}

/* ---------- 内容卡片 ---------- */
.card{
  position:relative;padding:clamp(20px,2.4vw,30px);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(158deg,rgba(28,75,61,.86),rgba(14,48,40,.94));
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(57,224,176,.5);box-shadow:0 24px 48px -32px #000}
.card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.card__title{font-size:clamp(19px,2vw,23px);margin-bottom:10px}
.card__text{font-size:15px;color:var(--data)}
.card__meta{
  display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:16px;padding-top:14px;
  border-top:1px dashed rgba(169,195,206,.24);
  font-family:var(--font-mono);font-size:12px;color:var(--data);
  font-variant-numeric:tabular-nums;
}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;overflow:hidden;aspect-ratio:16 / 9;
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:
    radial-gradient(circle at 28% 18%,rgba(57,224,176,.22),transparent 62%),
    linear-gradient(140deg,var(--pitch),var(--field));
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(243,247,242,.06) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(243,247,242,.06) 1px,transparent 1px);
  background-size:40px 40px;
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--tall{aspect-ratio:4 / 5}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame__tag{position:absolute;left:16px;bottom:16px;z-index:2}

/* ---------- 面包屑 ---------- */
.breadcrumbs{padding-block:16px 0}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12.5px;color:var(--data)}
.breadcrumbs li{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs li + li::before{content:"/";color:rgba(169,195,206,.45)}
.breadcrumbs a{color:var(--data);border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease}
.breadcrumbs a:hover{color:var(--teal);border-bottom-color:var(--teal)}
.breadcrumbs [aria-current="page"]{color:var(--white)}

/* ============================================================
   头部：悬浮指挥条 → 滚动实色
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:linear-gradient(180deg,rgba(2,10,8,.62),rgba(2,10,8,0));
  border-bottom:1px solid transparent;
  transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header[data-scrolled]{
  background:rgba(14,48,40,.97);
  border-bottom-color:var(--line);
  box-shadow:0 20px 44px -34px #000;
}
.header-shell{
  display:flex;align-items:center;gap:clamp(12px,2vw,28px);
  width:100%;max-width:var(--shell);margin-inline:auto;
  padding-inline:var(--gutter);height:var(--header-h);
}

/* skip link */
.skip-link{
  position:absolute;left:var(--gutter);top:10px;z-index:120;
  padding:10px 20px;border-radius:var(--radius-pill);
  background:var(--yellow);color:var(--ink);font-weight:700;font-size:14px;
  transform:translateY(-180%);
  transition:transform .2s ease;
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0)}

/* 品牌 */
.brand-lockup{display:flex;align-items:center;gap:12px;flex:0 0 auto;padding:6px 2px}
.brand-cards{display:flex;flex-direction:column;gap:3px;transform:skewY(-8deg)}
.brand-card{display:block;width:16px;height:10px;border-radius:3px}
.brand-card--yellow{background:var(--yellow)}
.brand-card--red{background:var(--red)}
.brand-type{display:flex;flex-direction:column;line-height:1}
.brand-call{font-family:var(--font-mono);font-size:11px;letter-spacing:.32em;color:var(--teal);text-transform:uppercase}
.brand-name{margin-top:5px;font-family:var(--font-display);font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--white)}

/* 主导航 */
.primary-nav{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.nav-list{display:flex;align-items:center;gap:clamp(10px,1.4vw,24px);flex-wrap:nowrap}
.nav-item{flex:0 0 auto}
.nav-link{
  position:relative;display:inline-block;padding:10px 2px;
  font-size:14.5px;font-weight:500;color:rgba(243,247,242,.72);white-space:nowrap;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;
  background:var(--teal);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--white)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--white);font-weight:700}
.nav-link[aria-current="page"]::after{background:var(--yellow);transform:scaleX(1)}
.nav-cta{display:none}

/* 右侧工具 */
.header-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.tool-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border:1px solid rgba(169,195,206,.28);border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;white-space:nowrap;color:var(--data);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.tool-link:hover,.tool-link:focus-visible{color:var(--white);border-color:var(--teal);background:var(--teal-soft)}
.tool-link--whistle{background:var(--yellow);border-color:var(--yellow);color:var(--ink)}
.tool-link--whistle:hover,.tool-link--whistle:focus-visible{background:#ffd968;border-color:#ffd968;color:var(--ink)}
.tool-dot{width:7px;height:7px;border-radius:50%;background:var(--red);flex:0 0 auto}
.tool-arrow{width:7px;height:7px;border-top:1.6px solid currentColor;border-right:1.6px solid currentColor;transform:rotate(45deg)}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;align-items:center;gap:10px;margin-left:auto;
  padding:10px 15px;border:1px solid rgba(169,195,206,.28);border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;color:var(--white);
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover,.nav-toggle:focus-visible{border-color:var(--yellow);color:var(--yellow)}
.nav-toggle-bars{display:flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle-bar{display:block;height:2px;border-radius:2px;background:currentColor;transition:transform .22s ease,opacity .22s ease}
.site-header[data-open] .nav-toggle-bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header[data-open] .nav-toggle-bar:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle-bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-toggle-text{letter-spacing:.06em}

/* 滚动进度计量条 */
.scroll-meter{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(169,195,206,.14);overflow:hidden}
.scroll-meter span{display:block;width:100%;height:100%;transform:scaleX(0);transform-origin:left center;background:linear-gradient(90deg,var(--teal),var(--yellow))}

/* ============================================================
   页脚：坐标索引三栏
   ============================================================ */
.site-footer{
  position:relative;overflow:hidden;
  padding-top:clamp(48px,6vw,82px);
  background:var(--turf);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 220px at 92% 0%,rgba(232,72,63,.12),transparent 70%),
    radial-gradient(520px 200px at 4% 100%,rgba(57,224,176,.08),transparent 72%);
}
.footer-shell{position:relative;width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1.15fr;gap:clamp(28px,4vw,64px)}
.footer-col{min-width:0}
.footer-index{
  display:flex;align-items:center;gap:10px;margin-bottom:18px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--data);
}
.footer-index::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--red)}
.footer-brand{display:inline-flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.footer-call{font-family:var(--font-mono);font-size:13px;letter-spacing:.3em;color:var(--teal)}
.footer-name{font-family:var(--font-display);font-size:22px;font-weight:800;color:var(--white)}
.footer-tagline{margin-top:12px;font-size:14px;letter-spacing:.06em;color:var(--data)}
.footer-record{margin-top:18px;font-family:var(--font-mono);font-size:12px;color:rgba(169,195,206,.72);font-variant-numeric:tabular-nums}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list--meta{gap:16px}
.footer-list--meta li{display:flex;flex-direction:column;gap:3px}
.footer-key{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:rgba(169,195,206,.6)}
.footer-value{font-size:14.5px;color:var(--white);word-break:break-word;font-variant-numeric:tabular-nums}
.footer-link{
  display:inline-block;font-size:14.5px;color:var(--data);
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.footer-link:hover,.footer-link:focus-visible{color:var(--teal);border-bottom-color:var(--teal)}
.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 28px;
  margin-top:clamp(36px,5vw,62px);padding-block:22px 26px;
  border-top:1px solid var(--line);
}
.footer-copy{font-family:var(--font-mono);font-size:12px;color:rgba(169,195,206,.72)}
.footer-legal{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px}

/* ============================================================
   显现（由 site.js 驱动）
   ============================================================ */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
[data-reveal].is-in{opacity:1;transform:none}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1240px){
  .nav-link{font-size:13.5px}
}

@media (max-width:1040px){
  :root{--header-h:64px}
  .header-tools{display:none}
  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:8px var(--gutter) 26px;
    background:var(--field);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    max-height:calc(100vh - var(--header-h));
    max-height:calc(100dvh - var(--header-h));
    overflow-y:auto;
    box-shadow:0 30px 50px -34px #000;
  }
  .site-header[data-open] .primary-nav{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;flex-wrap:nowrap}
  .nav-item{border-bottom:1px solid var(--line-soft)}
  .nav-link{display:block;padding:15px 4px;font-size:16px;white-space:normal}
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{color:var(--yellow);padding-left:16px}
  .nav-link[aria-current="page"]::before{
    content:"";position:absolute;left:0;top:50%;width:3px;height:20px;margin-top:-10px;
    border-radius:2px;background:var(--yellow);
  }
  .nav-cta{display:inline-flex;margin-top:20px;width:100%}
  .brand-name{font-size:18px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-col:first-child{grid-column:1 / -1}
}

@media (max-width:640px){
  body{background-size:48px 48px}
  .brand-name{font-size:16px}
  .brand-card{width:14px;height:9px}
  .nav-toggle-text{display:none}
  .nav-toggle{padding:11px 13px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-base{flex-direction:column;align-items:flex-start}
  .section{padding-block:clamp(44px,9vw,64px)}
  .card{padding:20px}
  .btn{padding:12px 22px;font-size:14.5px}
}

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