/* ============================================================
   天行体育 · 全站共享样式 /assets/site.css
   夜间赛场指挥台：煤黑底 + 墨绿面板 + 荧光青指向 + 暖橙事件
   ============================================================ */

:root{
  --ink:#0B0F0E;
  --panel:#0F2A24;
  --panel-2:#143A31;
  --cyan:#38F2C8;
  --cyan-soft:#9BF6E0;
  --amber:#FF8A3D;
  --stone:#6E7A76;
  --moss:#5C7A5A;
  --clay:#B8653F;
  --bone:#F2F1EA;
  --layer:#1C2321;

  --bone-78:rgba(242,241,234,.78);
  --bone-62:rgba(242,241,234,.62);
  --bone-46:rgba(242,241,234,.46);
  --line:rgba(155,246,224,.14);
  --line-mid:rgba(155,246,224,.26);
  --line-hot:rgba(56,242,200,.44);

  --font-head:"PingFang SC","Noto Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:var(--font-head);
  --font-data:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --rail-w:62px;
  --head-h:74px;
  --head-h-sm:62px;
  --shell:1440px;
  --gut:32px;
  --gap:20px;
  --cut:16px;
  --cut-sm:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

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

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html[data-nav-open="true"]{overflow:hidden}

body{
  margin:0;
  padding-left:0;
  min-height:100vh;
  background:
    radial-gradient(1100px 620px at 88% -8%, rgba(56,242,200,.075), transparent 62%),
    radial-gradient(760px 520px at -6% 36%, rgba(92,122,90,.07), transparent 60%),
    var(--ink);
  color:var(--bone);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.012em;
  -webkit-font-smoothing:antialiased;
}

img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font-head);font-weight:600;letter-spacing:.06em;line-height:1.2}
p{margin:0}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
::selection{background:rgba(56,242,200,.26);color:var(--bone)}

.sr-only{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- 跳至主要内容 ---------- */
.skip-link{
  position:fixed;left:12px;top:-70px;z-index:200;
  padding:10px 18px;background:var(--cyan);color:#052620;
  font-size:14px;font-weight:600;letter-spacing:.06em;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px}

/* ============================================================
   头部：L 形框架（上沿导航条 + 左侧入口轨道）
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,rgba(11,15,14,.96),rgba(11,15,14,.88));
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-hot);
}

.frame-top{
  max-width:var(--shell);
  margin:0 auto;
  height:var(--head-h);
  padding:0 var(--gut);
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:var(--gap);
  transition:height .28s var(--ease);
}
.site-header[data-condensed] .frame-top{height:48px}

/* 品牌：左上角切角面板 */
.brand{
  display:inline-flex;align-items:center;gap:12px;
  padding:8px 20px 8px 12px;
  background:linear-gradient(135deg,var(--panel),var(--panel-2));
  clip-path:polygon(0 0,calc(100% - var(--cut-sm)) 0,100% var(--cut-sm),100% 100%,var(--cut-sm) 100%,0 calc(100% - var(--cut-sm)));
}
.brand--footer{padding:10px 22px 10px 14px;background:linear-gradient(135deg,var(--panel),var(--layer))}

.brand-mark{position:relative;width:26px;height:26px;flex:none;display:grid;place-items:center}
.brand-mark__ring{position:absolute;inset:0;border:1px solid var(--line-hot);border-radius:50%}
.brand-mark__ring::after{content:"";position:absolute;inset:5px;border:1px dashed rgba(56,242,200,.45);border-radius:50%}
.brand-mark__core{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(56,242,200,.75)}

.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text__cn{font-family:var(--font-head);font-size:17px;font-weight:700;letter-spacing:.1em}
.brand-text__en{font-family:var(--font-data);font-size:9px;letter-spacing:.26em;color:var(--bone-46);margin-top:3px}

/* 主导航 */
.primary-nav{min-width:0}
.primary-nav__list{display:flex;align-items:center;justify-content:center;gap:2px;flex-wrap:wrap}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 10px;
  font-size:13px;letter-spacing:.075em;color:var(--bone-46);
  transition:color .2s var(--ease);
}
.nav-link--lead{font-size:14px;color:var(--bone-78);font-weight:600}
.nav-link:hover{color:var(--cyan-soft)}
.nav-link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:1px;height:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--cyan)}
.nav-link[aria-current="page"]::after{transform:scaleX(1);background:var(--amber)}

/* 行动区 */
.frame-actions{display:flex;align-items:center;gap:10px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;
  font-family:var(--font-head);font-size:13.5px;font-weight:600;letter-spacing:.08em;
  background:var(--cyan);color:#052620;
  clip-path:polygon(var(--cut-sm) 0,100% 0,100% calc(100% - var(--cut-sm)),calc(100% - var(--cut-sm)) 100%,0 100%,0 var(--cut-sm));
  transition:background .2s var(--ease),color .2s var(--ease);
}
.btn:hover{background:var(--cyan-soft)}
.btn:focus-visible{outline:none;box-shadow:inset 0 0 0 2px var(--cyan-soft),inset 0 0 0 4px rgba(11,15,14,.85)}
.btn--ghost{background:transparent;color:var(--cyan-soft);box-shadow:inset 0 0 0 1px var(--line-hot)}
.btn--ghost:hover{background:rgba(56,242,200,.1);color:var(--bone)}
.btn--sm{padding:8px 14px;font-size:12.5px}

.nav-toggle{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:44px;height:38px;
  box-shadow:inset 0 0 0 1px var(--line-hot);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.nav-toggle__bar{display:block;width:18px;height:1.5px;background:var(--cyan-soft);transition:transform .24s var(--ease),opacity .18s linear}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* 阅读进度线 */
.frame-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(155,246,224,.08);
}
.frame-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--amber));
  transition:width .12s linear;
}

/* 左侧入口轨道（桌面） */
.frame-rail{display:none}
.rail-item{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-head);font-size:12.5px;letter-spacing:.22em;
  color:var(--bone-62);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.rail-item:hover{color:var(--cyan)}
.rail-item[data-active="true"]{color:var(--cyan)}
.rail-item--action{color:var(--cyan-soft)}

/* 订阅浮层 */
.subscribe-panel{
  position:fixed;z-index:95;
  width:320px;
  padding:18px;
  background:var(--layer);
  border:1px solid var(--line-mid);
  box-shadow:0 26px 60px rgba(0,0,0,.6);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
}
.subscribe-panel[hidden]{display:none}
.subscribe-panel__head{border-bottom:1px solid var(--line);padding-bottom:12px}
.subscribe-panel__title{font-size:16px;letter-spacing:.1em;color:var(--bone)}
.subscribe-panel__status{margin-top:6px;font-size:12.5px;line-height:1.6;color:var(--bone-46)}
.subscribe-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}
.team-chip{
  padding:9px 12px;text-align:left;
  font-size:13px;letter-spacing:.04em;color:var(--bone-62);
  background:var(--panel);
  box-shadow:inset 0 0 0 1px var(--line);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.team-chip:hover{background:var(--panel-2);color:var(--bone)}
.team-chip[data-selected="true"]{background:var(--cyan);color:#052620;box-shadow:none}

/* ============================================================
   通用布局与组件
   ============================================================ */
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 var(--gut)}
.section{padding:72px 0}
.section--tight{padding:44px 0}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-data);font-size:12px;letter-spacing:.28em;
  color:var(--cyan-soft);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan)}

.display-1{font-size:48px;line-height:56px;letter-spacing:.06em;font-weight:700}
.section-title{font-size:28px;line-height:34px;letter-spacing:.06em}
.lead-text{font-size:17px;line-height:1.8;color:var(--bone-78);max-width:64ch}
.body-text{font-size:16px;line-height:1.75;color:var(--bone-62)}

.data-num{font-family:var(--font-data);font-variant-numeric:tabular-nums;letter-spacing:.04em;color:var(--bone)}
.data-unit{margin-left:.15em;font-size:.82em;color:var(--bone-46)}

.panel{
  position:relative;
  padding:24px;
  background:var(--panel);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
}
.panel--soft{background:var(--layer)}
.panel--edge{background:linear-gradient(150deg,var(--panel),var(--panel-2))}
.cut-corner{
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));
}

.grid{display:grid;gap:var(--gap)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap)}

.breadcrumb{margin:22px 0 0;font-size:13px;color:var(--bone-46)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"/";color:var(--stone)}
.breadcrumb a:hover{color:var(--cyan-soft)}
.breadcrumb [aria-current="page"]{color:var(--bone)}

.prose{max-width:72ch;font-size:16px;line-height:1.75;color:var(--bone-62)}
.prose h2{margin-top:42px;font-size:28px;line-height:34px;color:var(--bone)}
.prose h3{margin-top:28px;font-size:20px;letter-spacing:.05em;color:var(--bone)}
.prose p + p{margin-top:16px}
.prose ul{margin-top:14px;display:grid;gap:8px}
.prose li{position:relative;padding-left:18px}
.prose li::before{content:"";position:absolute;left:0;top:.78em;width:8px;height:1px;background:var(--cyan)}

/* 图片占位容器（页面阶段把 img 放进 .media__img） */
.media{
  position:relative;display:block;overflow:hidden;
  background:var(--panel);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
}
.media__img{
  width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;
  background:linear-gradient(135deg,var(--panel-2),var(--layer));
}
.media--wide .media__img{aspect-ratio:21/9}
.media--tall .media__img{aspect-ratio:4/5}
.media--square .media__img{aspect-ratio:1/1}
.media__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,15,14,0) 40%,rgba(11,15,14,.88) 100%)}
.media__cap{position:absolute;left:16px;bottom:14px;font-size:12.5px;letter-spacing:.06em;color:var(--bone-78)}
.media__tag{position:absolute;left:14px;top:14px}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  font-family:var(--font-data);font-size:12px;letter-spacing:.1em;
  color:var(--bone-62);background:rgba(28,35,33,.9);
  box-shadow:inset 0 0 0 1px var(--line);
}
.tag--live{color:var(--amber);box-shadow:inset 0 0 0 1px rgba(255,138,61,.42)}
.tag--clay{color:#E0A184;box-shadow:inset 0 0 0 1px rgba(184,101,63,.5)}
.tag--moss{color:#A6C6A0;box-shadow:inset 0 0 0 1px rgba(92,122,90,.55)}

.data-table{width:100%;font-family:var(--font-data);font-size:14px;letter-spacing:.03em}
.data-table th{
  padding:10px 12px;text-align:left;
  font-size:11.5px;font-weight:600;letter-spacing:.18em;
  color:var(--bone-46);border-bottom:1px solid var(--line-mid);
}
.data-table td{padding:11px 12px;color:var(--bone-62)}
.data-table tbody tr:nth-child(odd){background:rgba(28,35,33,.5)}
.data-table tbody tr:hover{background:rgba(20,58,49,.55)}

.tabs{display:flex;flex-wrap:wrap;gap:4px;border-bottom:1px solid var(--line)}
.tab{
  padding:10px 14px;font-size:13.5px;letter-spacing:.08em;color:var(--bone-46);
  border-bottom:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.tab:hover{color:var(--cyan-soft)}
.tab[aria-selected="true"]{color:var(--cyan);border-bottom-color:var(--cyan)}
.tabpanel{padding-top:22px}
.tabpanel[hidden]{display:none}

.filter-bar{display:flex;flex-wrap:wrap;gap:8px}
.filter-chip{
  padding:8px 14px;font-size:13px;letter-spacing:.06em;
  color:var(--bone-46);background:var(--layer);
  box-shadow:inset 0 0 0 1px var(--line);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.filter-chip:hover{color:var(--bone)}
.filter-chip[aria-pressed="true"]{background:var(--cyan);color:#052620;box-shadow:none}

/* ============================================================
   页脚：导航地图图例
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:96px;
  padding:60px var(--gut) 26px;
  background:linear-gradient(180deg,rgba(11,15,14,.4) 0%,var(--panel) 58%,#090D0C 100%);
  border-top:1px solid var(--line-mid);
}

.footer-head{
  max-width:var(--shell);margin:0 auto 42px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  padding-bottom:24px;border-bottom:1px solid var(--line);
}
.footer-head__claim{
  font-family:var(--font-data);font-size:12px;letter-spacing:.16em;color:var(--bone-46);
}

.footer-map{
  max-width:var(--shell);margin:0 auto;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,.85fr)) minmax(0,1.15fr) minmax(0,1.3fr);
  gap:32px;
}
.footer-col__title{
  font-size:13px;letter-spacing:.2em;color:var(--cyan-soft);
  padding-bottom:12px;margin-bottom:14px;
  border-bottom:1px solid var(--line);
}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:14px;color:var(--bone-62);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--cyan)}
.footer-links a[aria-current="page"]{color:var(--cyan);box-shadow:inset 2px 0 0 var(--amber);padding-left:10px}

.league-cloud{display:flex;flex-wrap:wrap;gap:7px}
.league-tag{
  padding:5px 10px;
  font-size:12.5px;letter-spacing:.08em;color:var(--bone-62);
  background:rgba(92,122,90,.16);
  box-shadow:inset 0 0 0 1px rgba(92,122,90,.45);
}

.footer-contact{min-width:0}
.contact-list{display:grid;gap:12px}
.contact-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-bottom:10px;border-bottom:1px dashed rgba(155,246,224,.12);
}
.contact-row__key{
  font-family:var(--font-data);font-size:11.5px;letter-spacing:.16em;color:var(--bone-46);
  flex:none;
}
.contact-row__val{
  font-family:var(--font-data);font-size:13.5px;letter-spacing:.02em;color:var(--bone);
  word-break:break-all;
}
.contact-row--wide .contact-row__val{font-family:var(--font-body);font-size:13.5px;color:var(--bone-78);word-break:normal}
.copy-btn{
  flex:none;padding:4px 10px;
  font-size:11.5px;letter-spacing:.1em;color:var(--cyan-soft);
  box-shadow:inset 0 0 0 1px var(--line-hot);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.copy-btn:hover{background:rgba(56,242,200,.12)}
.copy-btn[data-copied="true"]{background:var(--amber);color:#20120A;box-shadow:none}
.contact-note{margin-top:14px;font-size:12.5px;line-height:1.8;color:var(--bone-46)}

.footer-scale{
  max-width:var(--shell);margin:46px auto 0;
  display:flex;align-items:flex-end;justify-content:space-between;
  height:26px;border-bottom:1px solid var(--line-mid);
}
.scale-tick{display:block;width:1px;height:9px;background:var(--line-mid)}
.scale-tick--lg{height:18px;background:var(--line-hot)}

.footer-legal{
  max-width:var(--shell);margin:16px auto 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
}
.footer-legal__brand{font-family:var(--font-data);font-size:12px;letter-spacing:.08em;color:var(--bone-46)}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1180px){
  :root{--gut:24px;--gap:16px}
  .nav-link{padding:8px 7px;font-size:12.5px}
  .nav-link--lead{font-size:13px}
  .footer-map{grid-template-columns:repeat(3,minmax(0,1fr)) minmax(0,1.2fr);gap:26px}
  .footer-contact{grid-column:1 / -1}
}

@media (max-width:1079px){
  body{padding-bottom:70px}
  .frame-rail{
    position:fixed;left:0;right:0;bottom:0;z-index:75;
    display:flex;flex-direction:row;align-items:center;justify-content:center;gap:10px;
    padding:8px 14px;
    background:rgba(11,15,14,.95);
    border-top:1px solid var(--line-mid);
  }
  .rail-item{
    writing-mode:horizontal-tb;letter-spacing:.12em;
    padding:9px 18px;background:var(--layer);
    box-shadow:inset 0 0 0 1px var(--line);
  }
  .rail-item--action{box-shadow:inset 0 0 0 1px var(--line-hot)}
  .subscribe-panel{left:14px;right:14px;top:auto;bottom:calc(100% + 10px);width:auto;transform:none;max-height:62vh;overflow-y:auto}
}

@media (min-width:1080px){
  body{padding-left:var(--rail-w)}
  .frame-rail{
    position:fixed;left:0;top:0;bottom:0;z-index:75;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;
    width:var(--rail-w);
    background:linear-gradient(180deg,rgba(15,42,36,.92),rgba(11,15,14,.97));
    border-right:1px solid var(--line);
  }
  .rail-item{writing-mode:vertical-rl;text-orientation:mixed;padding:16px 8px}
  .rail-item--action{background:rgba(56,242,200,.07)}
  .subscribe-panel{left:calc(var(--rail-w) + 14px);top:50%;transform:translateY(-50%)}
}

@media (max-width:899px){
  :root{--head-h:var(--head-h-sm);--gut:20px;--gap:14px}
  .nav-toggle{display:inline-flex}
  .frame-actions .btn{display:none}
  .site-header[data-condensed] .frame-top{height:var(--head-h-sm)}
  .primary-nav{
    position:fixed;left:0;right:0;top:var(--head-h);bottom:0;
    padding:24px var(--gut) 96px;
    overflow-y:auto;
    background:linear-gradient(180deg,rgba(15,42,36,.985),rgba(11,15,14,.995));
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s linear;
  }
  .primary-nav[data-open]{
    opacity:1;visibility:visible;transform:none;
  }
  .primary-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    padding:16px 10px;font-size:17px;letter-spacing:.06em;
    border-bottom:1px solid var(--line);
  }
  .nav-link--lead{font-size:17px}
  .nav-link::after{display:none}
  .nav-link:hover{color:var(--cyan-soft)}
  .nav-link[aria-current="page"]{
    color:var(--cyan);
    box-shadow:inset 3px 0 0 var(--amber);
    padding-left:18px;
  }
  .display-1{font-size:32px;line-height:40px}
  .section{padding:52px 0}
  .section-title{font-size:23px;line-height:30px}
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:720px){
  .brand-text__en{display:none}
  .brand{padding:8px 16px 8px 10px}
  .brand-text__cn{font-size:15px}
  .footer-map{grid-template-columns:1fr 1fr;gap:24px}
  .footer-col:nth-child(3){grid-column:1 / -1}
  .footer-contact{grid-column:1 / -1}
  .footer-head{justify-content:flex-start;margin-bottom:32px}
  .footer-head__claim{letter-spacing:.08em}
  .site-footer{margin-top:64px;padding-top:46px}
  .display-1{font-size:28px;line-height:36px}
  .grid--3,.grid--4{grid-template-columns:1fr}
  .data-table{font-size:13px}
}

@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;
  }
}