/* ============================================================
   天行体育CN · 共享样式 /assets/site.css
   夜海报头体系：深海蓝底 + 暖纸白面板 + 荧光青状态 + 暖橙战报
   ============================================================ */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:24px}
body,h1,h2,h3,h4,h5,p,figure,blockquote,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}

:root{
  --night:#071B2A;
  --cabin:#0D2A3A;
  --paper:#F3E8D4;
  --ink:#0A1418;
  --neon:#31F2C8;
  --ember:#FF8A3D;
  --league-foot:#5C9C96;
  --league-basket:#7A749F;
  --league-cup:#B88A4A;
  --grid:#9CB2B8;

  --line:rgba(156,178,184,.24);
  --line-strong:rgba(156,178,184,.55);
  --paper-soft:rgba(243,232,212,.78);
  --paper-dim:rgba(243,232,212,.58);

  --shadow:9px 9px 0 rgba(3,12,20,.9);
  --shadow-paper:8px 8px 0 rgba(3,12,20,.88);

  --shell:1180px;
  --gap:clamp(16px,2.6vw,28px);

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

body{
  font-family:var(--font-sans);
  font-size:clamp(15px,1.02vw,17px);
  line-height:1.75;
  color:var(--paper);
  background-color:var(--night);
  background-image:
    repeating-linear-gradient(0deg,rgba(243,232,212,.022) 0 1px,transparent 1px 4px),
    radial-gradient(circle at 82% -8%,rgba(49,242,200,.10),transparent 52%),
    radial-gradient(circle at 4% 6%,rgba(255,138,61,.08),transparent 46%);
}

h1,h2,h3,h4{font-weight:800;line-height:1.12;letter-spacing:-.02em}
strong{font-weight:800}

:focus-visible{outline:3px solid var(--neon);outline-offset:3px}

#main-content{display:block;padding-block:clamp(20px,3vw,38px)}

/* ---------- 容器 ---------- */
.tx-shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:clamp(16px,4vw,32px)}

/* ---------- 跳转与进度 ---------- */
.skip-link{
  position:absolute;left:16px;top:-70px;z-index:300;
  padding:10px 18px;background:var(--neon);color:var(--ink);
  font-weight:800;font-size:13px;letter-spacing:.1em;
  transition:top .18s ease;
}
.skip-link:focus{top:12px}

.scroll-progress{
  position:fixed;inset:0 0 auto 0;height:3px;z-index:200;
  background:rgba(13,42,58,.85);
}
.scroll-progress__bar{display:block;height:100%;width:0;background:var(--neon);transition:width .1s linear}

/* ---------- 页头：状态条 ---------- */
.site-header{position:relative;z-index:10}

.header-strip{background:var(--cabin);border-bottom:1px solid var(--line)}
.header-strip__inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:8px 18px;min-height:40px;padding-block:7px;
}
.header-strip__note{
  display:flex;align-items:center;gap:8px;
  font-size:11px;font-weight:500;letter-spacing:.18em;color:var(--grid);
}
.header-strip__note::before{
  content:"";width:8px;height:8px;background:var(--neon);flex:none;
  box-shadow:2px 2px 0 rgba(3,12,20,.9);
}
.header-strip__acts{display:flex;flex-wrap:wrap;align-items:center;gap:clamp(10px,2vw,24px)}
.mini-link{
  display:inline-block;font-size:11px;letter-spacing:.14em;
  color:var(--paper-soft);border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.mini-link:hover,.mini-link:focus-visible{color:var(--neon);border-bottom-color:var(--neon)}
.mini-link--muted{color:var(--paper-dim);font-family:var(--font-mono);letter-spacing:.06em}

/* ---------- 页头：报头 ---------- */
.masthead{
  background:linear-gradient(180deg,rgba(13,42,58,.72),rgba(7,27,42,.2) 78%);
  border-bottom:3px solid var(--paper);
}
.masthead__row{
  display:grid;grid-template-columns:1fr auto;align-items:center;
  gap:12px 20px;padding-block:clamp(18px,3vw,32px) clamp(10px,1.6vw,16px);
}
.masthead__side{display:none}

.masthead__brand{grid-column:1;display:block}
.masthead__name{
  display:block;font-weight:900;
  font-size:clamp(2.3rem,7.4vw,4.9rem);
  line-height:.92;letter-spacing:-.045em;color:var(--paper);
  text-shadow:6px 6px 0 rgba(49,242,200,.16);
  transition:text-shadow .2s ease,color .2s ease;
}
.masthead__brand:hover .masthead__name,
.masthead__brand:focus-visible .masthead__name{
  text-shadow:6px 6px 0 rgba(255,138,61,.28);
}
.masthead__suffix{
  display:inline-block;vertical-align:super;margin-left:.4em;
  font-family:var(--font-mono);font-size:.22em;font-weight:700;
  letter-spacing:.18em;color:var(--neon);
  border:1px solid var(--neon);padding:.18em .42em;
  text-shadow:none;
}
.masthead__tagline{
  display:block;margin-top:.7em;
  font-size:11px;font-weight:500;letter-spacing:.34em;color:var(--grid);
}

.nav-toggle{
  grid-column:2;display:inline-flex;align-items:center;gap:9px;
  padding:9px 13px;border:2px solid var(--neon);color:var(--neon);
  font-size:11px;font-weight:700;letter-spacing:.18em;
  transition:background .16s ease,color .16s ease,border-color .16s ease;
}
.nav-toggle:hover,.nav-toggle:focus-visible{background:var(--neon);color:var(--ink)}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars i{display:block;height:2px;background:currentColor;transition:transform .18s ease}
.nav-toggle:hover .nav-toggle__bars i{background:var(--ink)}
.nav-toggle[aria-expanded="true"]{background:var(--ember);border-color:var(--ember);color:var(--ink)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:first-child{transform:translateY(3px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:last-child{transform:translateY(-3px) rotate(-45deg)}

/* ---------- 页头：导航 ---------- */
.site-nav{display:none;border-top:1px solid var(--line);padding-block:6px 12px}
.site-nav[data-open]{display:block}
.site-nav__list{display:flex;flex-direction:column}
.site-nav__link{
  position:relative;display:block;padding:12px 10px;
  font-size:13px;font-weight:500;letter-spacing:.14em;
  color:var(--paper-soft);border-left:3px solid transparent;
  transition:color .16s ease,background .16s ease,border-color .16s ease;
}
.site-nav__link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:7px;height:2px;
  background:var(--neon);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.site-nav__link:hover,.site-nav__link:focus-visible{color:var(--neon)}
.site-nav__link:hover::after,.site-nav__link:focus-visible::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{
  color:var(--ink);background:var(--neon);border-left-color:var(--ember);font-weight:800;
}
.site-nav__link[aria-current="page"]::after{display:none}

/* ---------- 页头：联赛带 ---------- */
.league-band{
  background:var(--cabin);
  border-top:1px solid var(--line);
  border-bottom:2px solid rgba(243,232,212,.16);
}
.league-band__inner{display:flex;align-items:center;gap:14px;padding-block:10px}
.league-band__label{
  flex:none;font-size:10.5px;font-weight:500;letter-spacing:.26em;
  color:var(--grid);text-transform:uppercase;
}
.league-band__track{
  display:flex;gap:10px;overflow-x:auto;
  scroll-snap-type:x mandatory;padding-block:4px;
  scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;
  -webkit-overflow-scrolling:touch;
}
.league-band__track::-webkit-scrollbar{height:4px}
.league-band__track::-webkit-scrollbar-thumb{background:var(--line-strong)}
.league-band__track > li{flex:none;scroll-snap-align:start}
.league-band__track:focus-visible{outline:2px dashed var(--neon);outline-offset:4px}

.league-chip{
  display:inline-block;padding:6px 14px;white-space:nowrap;
  border:1.5px solid var(--line-strong);border-left-width:3px;
  font-size:12px;letter-spacing:.1em;color:var(--paper-soft);
  transition:background .16s ease,color .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.league-chip:hover,.league-chip:focus-visible{
  background:var(--paper);color:var(--ink);border-color:var(--paper);
}
.league-chip--foot{border-left-color:var(--league-foot)}
.league-chip--basket{border-left-color:var(--league-basket)}
.league-chip--cup{border-left-color:var(--league-cup)}
.league-chip--on{
  background:var(--ember);border-color:var(--ember);border-left-color:var(--ink);
  color:var(--ink);font-weight:700;box-shadow:3px 3px 0 rgba(3,12,20,.85);
}
.league-chip--on:hover,.league-chip--on:focus-visible{background:var(--paper);border-color:var(--paper)}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  padding:11px 20px;border:2px solid var(--paper);
  font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--paper);
  transition:background .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.btn:hover,.btn:focus-visible{background:var(--paper);color:var(--ink)}
.btn--ember{
  background:var(--ember);border-color:var(--ember);color:var(--ink);
  box-shadow:5px 5px 0 rgba(3,12,20,.85);
}
.btn--ember:hover,.btn--ember:focus-visible{
  background:var(--neon);border-color:var(--neon);color:var(--ink);
  transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(3,12,20,.85);
}

/* ---------- 面板与画板 ---------- */
.panel{
  background:var(--cabin);border:2px solid var(--line-strong);
  padding:clamp(18px,2.4vw,30px);box-shadow:var(--shadow);
}
.panel--paper{
  background:var(--paper);color:var(--ink);
  border-color:var(--ink);box-shadow:var(--shadow-paper);
}
.panel--flat{box-shadow:none}

/* ---------- 排版零件 ---------- */
.label{
  display:inline-block;font-size:11px;font-weight:500;
  letter-spacing:.24em;text-transform:uppercase;color:var(--grid);
}
.section-num{
  display:block;font-family:var(--font-mono);font-weight:700;
  font-size:clamp(2.4rem,6vw,4.4rem);line-height:1;letter-spacing:-.02em;
  color:var(--neon);
}
.data-num{font-family:var(--font-mono);font-feature-settings:"tnum" 1;letter-spacing:-.01em}

.tag{
  display:inline-block;padding:3px 9px;
  font-size:10.5px;font-weight:700;letter-spacing:.16em;
  border:1px solid currentColor;color:var(--neon);
}
.tag--ember{color:var(--ember)}
.tag--paper{color:var(--ink);background:var(--paper);border-color:var(--ink)}

.rule{height:2px;background:var(--line-strong);border:0;margin-block:var(--gap)}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding-block:14px 18px}
.breadcrumb__list{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;letter-spacing:.1em;color:var(--grid)}
.breadcrumb__list li{display:flex;align-items:center;gap:8px}
.breadcrumb__list li+li::before{content:"/";color:var(--line-strong)}
.breadcrumb a{border-bottom:1px solid transparent;transition:color .16s ease,border-color .16s ease}
.breadcrumb a:hover,.breadcrumb a:focus-visible{color:var(--neon);border-bottom-color:var(--neon)}

/* ---------- 正文 ---------- */
.prose{max-width:68ch;color:rgba(243,232,212,.9);line-height:1.8}
.prose p+p{margin-top:1.1em}
.prose h2,.prose h3{margin-top:1.6em;margin-bottom:.5em;color:var(--paper)}
.prose h2{font-size:clamp(1.4rem,2.6vw,2rem)}
.prose h3{font-size:clamp(1.15rem,1.9vw,1.4rem)}
.prose ul,.prose ol{margin-top:.8em;padding-left:1.2em;list-style:square}
.prose li+li{margin-top:.4em}
.prose a{color:var(--neon);border-bottom:1px solid currentColor}
.prose strong{color:var(--paper)}

/* ---------- 栅格 ---------- */
.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:1fr}
.grid--3{grid-template-columns:1fr}
.grid--auto{grid-template-columns:repeat(auto-fit,minmax(238px,1fr))}
.stack > * + *{margin-top:var(--gap)}

/* ---------- 图片容器（页面阶段复用） ---------- */
.media{
  position:relative;overflow:hidden;
  border:2px solid var(--line-strong);background:var(--cabin);
  aspect-ratio:16/10;
}
.media > img,.media > video{width:100%;height:100%;object-fit:cover;filter:saturate(.9) contrast(1.06)}
.media--wide{aspect-ratio:21/9}
.media--square{aspect-ratio:1/1}
.media--slash{clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%)}
.media--paper{border-color:var(--ink);background:var(--paper);box-shadow:var(--shadow-paper)}
.media__caption{
  position:absolute;left:0;bottom:0;
  padding:7px 12px;font-size:11px;letter-spacing:.12em;
  background:rgba(7,27,42,.88);color:var(--paper);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(36px,6vw,76px);
  background:var(--cabin);
  border-top:4px solid var(--paper);
  color:var(--paper);
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:clamp(26px,4vw,44px);
  padding-block:clamp(28px,5vw,58px);
}

.footer-brand__name{
  font-size:clamp(1.9rem,4.4vw,2.9rem);font-weight:900;
  line-height:1;letter-spacing:-.04em;color:var(--paper);
}
.footer-brand__suffix{
  font-family:var(--font-mono);font-size:.3em;font-weight:700;
  letter-spacing:.18em;color:var(--neon);
  border:1px solid var(--neon);padding:.2em .4em;margin-left:.5em;
  vertical-align:super;
}
.footer-brand__tag{
  margin-top:12px;font-size:11px;font-weight:500;
  letter-spacing:.3em;color:var(--grid);
}
.footer-brand__summary{
  margin-top:16px;max-width:36ch;
  font-size:13.5px;line-height:1.8;color:var(--paper-soft);
}
.footer-brand .btn{margin-top:20px}

.footer-nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(112px,1fr));gap:clamp(16px,2.5vw,28px)}
.footer-nav__title{
  font-size:10.5px;font-weight:500;letter-spacing:.26em;
  text-transform:uppercase;color:var(--neon);
  padding-bottom:8px;margin-bottom:12px;
  border-bottom:1px solid var(--line);
}
.footer-nav__list li+li{margin-top:6px}
.footer-nav__link{
  display:inline-block;padding-block:3px;
  font-size:13.5px;color:rgba(243,232,212,.78);
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.footer-nav__link:hover,.footer-nav__link:focus-visible{color:var(--neon);border-bottom-color:var(--neon)}

.footer-contact__title{
  font-size:10.5px;font-weight:500;letter-spacing:.26em;
  text-transform:uppercase;color:var(--neon);
  padding-bottom:8px;margin-bottom:12px;
  border-bottom:1px solid var(--line);
}
.footer-contact__item{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;
  gap:4px 10px;padding-block:8px;
  border-bottom:1px dashed rgba(156,178,184,.22);
}
.footer-contact__item--wide{grid-template-columns:auto 1fr;align-items:start}
.footer-contact__label{
  font-size:10px;font-weight:500;letter-spacing:.2em;color:var(--grid);
}
.footer-contact__val{
  font-family:var(--font-mono);font-size:12.5px;
  color:var(--paper);overflow-wrap:anywhere;
}
.footer-contact__val--wrap{
  font-family:var(--font-sans);font-size:12.5px;line-height:1.65;
  color:rgba(243,232,212,.82);
}
.copy-btn{
  font-size:10px;font-weight:700;letter-spacing:.14em;
  color:var(--neon);border:1px solid var(--neon);padding:3px 7px;
  transition:background .16s ease,color .16s ease;
}
.copy-btn:hover,.copy-btn:focus-visible{background:var(--neon);color:var(--ink)}
.footer-contact__note{
  margin-top:14px;padding-left:11px;
  border-left:3px solid var(--ember);
  font-size:12px;line-height:1.7;color:var(--paper-dim);
}

.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  padding-block:16px 24px;
  border-top:1px dashed var(--line-strong);
  font-size:11.5px;letter-spacing:.1em;color:var(--grid);
}
.footer-base__meta{display:flex;align-items:center;gap:8px}
.footer-base__meta a{border-bottom:1px solid transparent;transition:color .16s ease,border-color .16s ease}
.footer-base__meta a:hover,.footer-base__meta a:focus-visible{color:var(--neon);border-bottom-color:var(--neon)}
.footer-base__meta--end{margin-left:auto}
.to-top{
  padding:6px 12px;border:2px solid rgba(243,232,212,.5);
  font-size:10.5px;font-weight:700;letter-spacing:.16em;color:var(--paper);
  transition:background .16s ease,color .16s ease,border-color .16s ease;
}
.to-top:hover,.to-top:focus-visible{background:var(--paper);color:var(--ink);border-color:var(--paper)}

/* ---------- 断点：平板 ---------- */
@media (min-width:860px){
  .masthead__row{
    grid-template-columns:1fr auto 1fr;
    padding-block:clamp(24px,3vw,34px) clamp(14px,1.8vw,18px);
  }
  .masthead__brand{grid-column:2;text-align:center}
  .masthead__side{
    display:block;font-family:var(--font-mono);
    font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--grid);padding-bottom:7px;
    border-bottom:2px solid rgba(156,178,184,.32);
  }
  .masthead__side--left{grid-column:1;text-align:left;justify-self:start}
  .masthead__side--right{grid-column:3;text-align:right;justify-self:end}
  .nav-toggle{display:none}

  .site-nav{display:block;border-top:1px solid var(--line);padding-block:2px}
  .site-nav__list{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:2px}
  .site-nav__link{
    padding:13px clamp(10px,1.5vw,18px);
    border-left:0;border-top:3px solid transparent;
  }
  .site-nav__link[aria-current="page"]{border-top-color:var(--ember);border-left-color:transparent}

  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid--2 > .grid-span-2{grid-column:1 / -1}

  .footer-grid{grid-template-columns:1.05fr 1.35fr 1fr}
}

/* ---------- 断点：桌面微调 ---------- */
@media (min-width:1120px){
  .masthead__name{font-size:clamp(4rem,5.4vw,5.2rem)}
  .league-band__inner{gap:20px}
  .footer-grid{gap:clamp(32px,4vw,56px)}
}

/* ---------- 断点：窄屏收敛 ---------- */
@media (max-width:640px){
  .header-strip__note{font-size:10px;letter-spacing:.1em}
  .mini-link--muted{display:none}
  .league-band__label{display:none}
  .footer-base__meta--end{margin-left:0}
  .to-top{margin-left:auto}
}

/* ---------- 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;
    scroll-behavior:auto !important;
  }
}