/* =========================================================
   九州体育站 · 共享样式 /assets/site.css
   夜间球场数据指挥中心 · 左栏命令索引 · 底部命令条
   ========================================================= */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,fieldset{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ---------- tokens ---------- */
:root{
  --ink:#05130F;
  --ink-2:#0B1F19;
  --card:#12271F;
  --card-hi:#183A2E;
  --paper:#F2F6F4;
  --mute:#A8B6B0;
  --mute-2:#7D948B;
  --lime:#C8FF3D;
  --lime-dim:#9FCF2B;
  --signal:#FF6A2B;
  --aqua:#7FE9D2;
  --line:#1E3B31;
  --sheet:#D9E4DF;
  --rail-w:264px;
  --bar-h:62px;
  --max-w:1360px;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- base ---------- */
body{
  background-color:var(--ink);
  background-image:
    radial-gradient(1200px 620px at 84% -12%, rgba(127,233,210,.07), transparent 62%),
    radial-gradient(900px 520px at 4% 108%, rgba(200,255,61,.05), transparent 62%);
  background-attachment:fixed;
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  min-height:100vh;
  padding-left:var(--rail-w);
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:400;
  padding:12px 16px;background:var(--lime);color:var(--ink);
  font-weight:800;font-size:14px;letter-spacing:.02em;
  transform:translateY(-220%);transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- reading progress ---------- */
.read-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:300;background:rgba(200,255,61,.12);pointer-events:none}
.read-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--lime),var(--aqua));
}

/* ---------- header / command rail ---------- */
.cmd-header{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);
  background:var(--ink-2);
  border-right:1px solid var(--line);
  z-index:120;
  display:flex;flex-direction:column;
}
.cmd-top{display:none}
.cmd-rail{
  display:flex;flex-direction:column;gap:22px;
  height:100%;padding:34px 22px 26px;overflow-y:auto;
  scrollbar-width:thin;scrollbar-color:var(--line) transparent;
}
.cmd-brand{display:grid;gap:4px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.cmd-brand__mark{font-family:var(--font-mono);font-size:12px;letter-spacing:.34em;color:var(--lime)}
.cmd-brand__name{font-size:30px;line-height:1.05;font-weight:900;letter-spacing:-.03em;font-stretch:condensed}
.cmd-brand__sub{font-size:12px;letter-spacing:.2em;color:var(--mute)}
.cmd-edition{
  font-family:var(--font-mono);font-size:12px;line-height:1.6;color:var(--signal);
  padding-left:10px;border-left:2px solid var(--signal);
}
.cmd-nav__list{display:grid;gap:2px}
.cmd-nav__item{display:block}
.cmd-nav__link{
  display:flex;align-items:center;gap:10px;
  min-height:44px;padding:6px 10px 6px 12px;
  border-left:2px solid transparent;
  color:var(--mute);font-size:15px;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.cmd-nav__link:hover{background:rgba(200,255,61,.06);color:var(--paper)}
.cmd-nav__idx{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:#5D7A70}
.cmd-nav__label{font-weight:500}
.cmd-nav__link[aria-current="page"]{
  border-left-color:var(--lime);
  background:rgba(200,255,61,.09);
  color:var(--paper);font-weight:800;
}
.cmd-nav__link[aria-current="page"] .cmd-nav__idx{color:var(--lime)}
.cmd-panel{
  margin-top:auto;display:grid;gap:14px;
  padding-top:20px;border-top:1px solid var(--line);
}
.cmd-panel__title{font-family:var(--font-mono);font-size:11px;letter-spacing:.28em;color:var(--mute)}
.cmd-actions{display:grid;gap:8px}
.cmd-actions .btn{width:100%}
.cmd-note{font-size:12px;line-height:1.6;color:var(--mute-2)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 18px;
  font-family:var(--font-sans);font-size:14px;font-weight:700;letter-spacing:.02em;
  border:1px solid var(--line);background:var(--card);color:var(--paper);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{background:var(--card-hi)}
.btn--lime{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn--lime:hover{background:#DCFF7A;border-color:#DCFF7A}
.btn--ghost{background:transparent;color:var(--paper);border-color:#2B4D40}
.btn--ghost:hover{background:rgba(200,255,61,.08);border-color:var(--lime);color:var(--lime)}
.btn--signal{background:transparent;color:var(--signal);border-color:rgba(255,106,43,.6)}
.btn--signal:hover{background:rgba(255,106,43,.14)}

/* ---------- layout ---------- */
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 40px 0 72px}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.g-span-3{grid-column:span 3}
.g-span-4{grid-column:span 4}
.g-span-5{grid-column:span 5}
.g-span-6{grid-column:span 6}
.g-span-7{grid-column:span 7}
.g-span-8{grid-column:span 8}
.g-span-9{grid-column:span 9}
.g-span-12{grid-column:span 12}
.section{position:relative;padding:64px 0}
.section--tight{padding:36px 0}
.section--alt{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section__eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.28em;color:var(--lime);margin-bottom:10px}
.section__title{
  font-size:clamp(28px,3.4vw,44px);line-height:1.15;
  font-weight:900;letter-spacing:-.025em;font-stretch:condensed;max-width:22ch;
}
.section__lede{margin-top:14px;max-width:34em;color:var(--mute);font-size:16px}
.prose{max-width:38em;font-size:16px;line-height:1.75;color:#D6E2DD}
.prose p+p{margin-top:1em}
.prose h2{font-size:28px;line-height:1.25;font-weight:900;letter-spacing:-.02em;margin:1.4em 0 .6em}
.prose h3{font-size:20px;line-height:1.35;font-weight:800;margin:1.2em 0 .5em;color:var(--paper)}
.prose a{color:var(--lime);border-bottom:1px solid rgba(200,255,61,.45)}
.prose a:hover{border-bottom-color:var(--lime)}
.prose ul{display:grid;gap:8px;margin:1em 0}
.prose li{position:relative;padding-left:18px}
.prose li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;background:var(--lime)}
.prose blockquote{margin:1.2em 0;padding:22px 20px;background:var(--sheet);color:#0A1A14;border-left:3px solid var(--lime)}
.prose blockquote p{font-family:var(--font-serif);font-size:17px}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:16px 0;font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--mute);
}
.breadcrumb a{color:var(--mute)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb__sep{color:#3F5A51}
.breadcrumb [aria-current="page"]{color:var(--paper)}

/* ---------- cards / data ---------- */
.card{
  position:relative;background:var(--card);border:1px solid var(--line);
  padding:20px 18px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.card:hover{border-color:#2B4D40}
.card--raised{box-shadow:6px 6px 0 rgba(5,19,15,.55),12px 12px 0 rgba(11,31,25,.5)}
.card__head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:12px}
.card__title{font-size:20px;font-weight:800;letter-spacing:-.01em}
.card__meta{font-family:var(--font-mono);font-size:11px;color:var(--mute);letter-spacing:.06em;white-space:nowrap}
.card__body{font-size:14px;line-height:1.7;color:var(--mute)}
.card__arc{
  position:absolute;right:-1px;bottom:-1px;width:96px;height:96px;
  border:1px solid var(--line);border-right:0;border-bottom:0;
  border-radius:50% 0 0 0;opacity:.75;pointer-events:none;
}
.stat{display:grid;gap:6px}
.stat__value{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(34px,4.6vw,72px);line-height:1;font-weight:700;letter-spacing:-.04em;
  color:var(--lime);
}
.stat__value--mute{color:var(--paper)}
.stat__label{font-size:13px;color:var(--mute)}
.stat__meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.05em;color:var(--mute-2)}
.paper{
  position:relative;background:var(--sheet);color:#0A1A14;
  padding:26px 24px;border-left:3px solid var(--lime);
  box-shadow:3px 3px 0 rgba(217,228,223,.26),6px 6px 0 rgba(217,228,223,.12);
}
.paper__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:#3D5A4F;margin-bottom:10px}
.paper p{font-family:var(--font-serif);font-size:17px;line-height:1.7}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 9px;border:1px solid var(--line);background:rgba(18,39,31,.75);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--mute);
}
.tag--lime{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.tag--signal{color:var(--signal);border-color:rgba(255,106,43,.55);background:rgba(255,106,43,.08)}
.arrow-link{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;color:var(--paper);padding-bottom:6px;border-bottom:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.arrow-link::after{content:"→";font-family:var(--font-mono);color:var(--lime);transition:transform .2s var(--ease)}
.arrow-link:hover{color:var(--lime);border-bottom-color:var(--lime)}
.arrow-link:hover::after{transform:translateX(4px)}

/* ---------- media frame ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;
  background:var(--card);border:1px solid var(--line);
}
.media-frame__img,.media-frame img{display:block;width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame--band{aspect-ratio:21/9}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,19,15,.04) 32%,rgba(5,19,15,.72));
}
.media-frame__cap{
  position:absolute;left:0;bottom:0;z-index:1;padding:10px 12px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--paper);
}

/* ---------- motion helpers ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .24s ease-out,transform .24s ease-out}
.reveal.is-in{opacity:1;transform:none}
.grow-line{
  display:block;height:2px;
  background:linear-gradient(90deg,var(--lime),rgba(200,255,61,0));
  transform:scaleX(var(--grow,1));transform-origin:left center;
  transition:transform .4s var(--ease);
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .grow-line{transform:none;transition:none}
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;margin-top:64px;
  background:var(--ink-2);border-top:1px solid var(--line);overflow:hidden;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;width:38%;height:2px;background:var(--lime)}
.site-footer__inner{
  max-width:var(--max-w);margin:0 auto;
  padding:52px 40px 30px 72px;
  display:grid;grid-template-columns:1.15fr 2fr;gap:40px 48px;
}
.foot-brand{display:grid;align-content:start;gap:6px}
.foot-brand__mark{font-size:26px;font-weight:900;letter-spacing:-.025em;font-stretch:condensed}
.foot-brand__sign{font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;color:var(--lime)}
.foot-brand__area{margin-top:12px;font-size:13px;color:var(--mute)}
.foot-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.foot-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.foot-col__title{
  padding-bottom:10px;margin-bottom:12px;border-bottom:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;color:var(--mute);
}
.foot-col__list{display:grid;gap:8px}
.foot-col__list a{font-size:14px;color:#CBD8D2;transition:color .18s var(--ease)}
.foot-col__list a:hover{color:var(--lime)}
.foot-meta{
  grid-column:1 / -1;display:grid;gap:8px;
  padding-top:20px;border-top:1px solid var(--line);
}
.foot-meta__contact{font-size:13px;line-height:1.7;color:#9FB0A9}
.foot-meta__note{font-size:12px;line-height:1.7;color:var(--mute-2)}
.foot-meta__legal{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--mute)}
.to-top{
  position:fixed;right:18px;bottom:18px;z-index:140;
  min-height:44px;padding:0 16px;
  border:1px solid var(--line);background:rgba(18,39,31,.94);
  color:var(--paper);font-size:13px;font-weight:700;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--lime);color:var(--ink);border-color:var(--lime)}

/* ---------- responsive : tablet & mobile ---------- */
@media (max-width:1024px){
  body{padding-left:0;padding-bottom:calc(var(--bar-h) + env(safe-area-inset-bottom,0px))}
  html{scroll-padding-top:76px}

  .cmd-header{
    position:sticky;top:0;left:0;right:0;bottom:auto;width:auto;
    display:block;background:var(--ink-2);
    border-right:0;border-bottom:1px solid var(--line);
  }
  .cmd-top{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    height:56px;padding:0 16px;
    background:rgba(11,31,25,.96);
    backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  }
  .cmd-top__brand{display:flex;align-items:center;gap:10px}
  .cmd-top__mark{font-family:var(--font-mono);font-size:11px;letter-spacing:.28em;color:var(--lime)}
  .cmd-top__name{font-size:16px;font-weight:800;letter-spacing:-.01em}
  .cmd-top__toggle{
    display:inline-flex;align-items:center;gap:9px;
    min-height:40px;padding:0 12px;
    border:1px solid var(--line);color:var(--paper);font-size:13px;font-weight:700;
  }
  .cmd-top__toggle-text{font-size:13px}
  .cmd-top__bars{position:relative;display:block;width:16px;height:2px;background:var(--lime);transition:background .2s var(--ease)}
  .cmd-top__bars::before,.cmd-top__bars::after{
    content:"";position:absolute;left:0;width:16px;height:2px;background:var(--lime);
    transition:transform .2s var(--ease);
  }
  .cmd-top__bars::before{top:-5px}
  .cmd-top__bars::after{top:5px}
  .cmd-header[data-open="true"] .cmd-top__bars{background:transparent}
  .cmd-header[data-open="true"] .cmd-top__bars::before{transform:translateY(5px) rotate(45deg)}
  .cmd-header[data-open="true"] .cmd-top__bars::after{transform:translateY(-5px) rotate(-45deg)}

  .cmd-rail{height:auto;padding:0;gap:0;overflow:visible}
  .cmd-brand,.cmd-edition{display:none}

  .cmd-nav{
    position:fixed;left:0;right:0;bottom:0;z-index:130;
    background:var(--ink-2);border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom,0px);
  }
  .cmd-nav__list{
    display:grid;grid-auto-flow:column;grid-auto-columns:minmax(58px,1fr);
    overflow-x:auto;scrollbar-width:none;
  }
  .cmd-nav__list::-webkit-scrollbar{display:none}
  .cmd-nav__link{
    flex-direction:column;justify-content:center;gap:3px;
    min-height:var(--bar-h);padding:6px 4px;
    border-left:0;border-top:2px solid transparent;
    font-size:12px;white-space:nowrap;
  }
  .cmd-nav__label{font-size:12px}
  .cmd-nav__idx{font-size:10px;color:#5D7A70}
  .cmd-nav__link[aria-current="page"]{
    border-left-color:transparent;
    border-top-color:var(--lime);
  }

  .cmd-panel{
    position:fixed;left:0;right:0;
    bottom:calc(var(--bar-h) + env(safe-area-inset-bottom,0px));
    z-index:129;margin:0;padding:20px 18px 22px;
    background:var(--ink-2);border-top:1px solid var(--line);
    max-height:60vh;overflow-y:auto;
    transform:translateY(14px);opacity:0;visibility:hidden;
    transition:transform .24s var(--ease),opacity .24s var(--ease),visibility .24s var(--ease);
  }
  .cmd-header[data-open="true"] .cmd-panel{transform:translateY(0);opacity:1;visibility:visible}
  .cmd-actions{grid-template-columns:1fr 1fr}

  .container{padding:0 18px}
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}
  .g-span-3,.g-span-4{grid-column:span 3}
  .g-span-5,.g-span-6,.g-span-7{grid-column:span 6}
  .g-span-8,.g-span-9,.g-span-12{grid-column:span 6}

  .site-footer__inner{padding:40px 18px 86px;grid-template-columns:1fr;gap:30px}
  .to-top{bottom:calc(var(--bar-h) + 14px + env(safe-area-inset-bottom,0px))}
}

@media (max-width:640px){
  .container{padding:0 16px}
  .grid-12{grid-template-columns:repeat(1,minmax(0,1fr))}
  .g-span-3,.g-span-4,.g-span-5,.g-span-6,.g-span-7,.g-span-8,.g-span-9,.g-span-12{grid-column:span 1}
  .section{padding:48px 0}
  .foot-grid{grid-template-columns:1fr 1fr}
  .cmd-actions{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}