/* =========================================================
   九州体育主站 · 共享样式 /assets/site.css
   夜场墨绿框架 · 冷灰白数据区 · 计分牌琥珀强调
   ========================================================= */

/* ---------- 1. reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,figcaption,blockquote,dl,dd{margin:0;padding:0;}
ul,ol{list-style:none;}
img,svg,video,canvas{display:block;max-width:100%;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
a{color:inherit;text-decoration:none;}
table{border-collapse:separate;border-spacing:0;}
time{font-variant-numeric:tabular-nums;}

/* ---------- 2. tokens ---------- */
:root{
  --night:#0B2A22;
  --night-2:#12382C;
  --grass:#3FA76A;
  --grass-hi:#7BD79A;
  --amber:#F2A03D;
  --amber-hi:#FFCB84;
  --panel:#EEF1EF;
  --zebra:#D9DEDB;
  --ink:#1B2421;
  --mist:#F7FAF8;

  --line:rgba(63,167,106,.34);
  --line-soft:rgba(247,250,248,.14);
  --txt-soft:rgba(247,250,248,.62);
  --txt-dim:rgba(27,36,33,.58);
  --edge:rgba(27,36,33,.09);

  --radius-xl:32px;
  --radius-lg:24px;
  --radius-md:16px;
  --pill:999px;

  --rail-w:96px;
  --head-h:72px;
  --wrap:1340px;
  --gut:14px;

  --font-display:"Arial Narrow","Helvetica Neue Condensed","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
  --t:200ms;
}

/* ---------- 3. base ---------- */
html{background:var(--mist);}
body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--mist);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
p{text-wrap:pretty;}
h1,h2,h3{font-weight:400;line-height:1.25;}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:8px;}

/* ---------- 4. utilities ---------- */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:clamp(16px,2.6vw,34px);
}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:0;font-weight:500;}
.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;}
.divider{height:1px;border:0;margin:0;background:linear-gradient(90deg,var(--grass),rgba(63,167,106,0));}
.dark-band{background:var(--night);color:var(--mist);}
.dark-band .eyebrow{color:var(--grass-hi);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:11px;
  letter-spacing:.24em;
  color:var(--night);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--amber);
  flex:0 0 auto;
}

.section{padding-block:clamp(46px,6.4vw,92px);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:clamp(20px,3vw,32px);
}

/* ---------- 5. buttons / tags ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 26px;
  border-radius:var(--pill);
  border:1px solid transparent;
  font-size:14px;
  letter-spacing:.04em;
  line-height:1.2;
  cursor:pointer;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t) var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn--amber{background:var(--amber);color:#20160A;}
.btn--amber:hover{background:var(--amber-hi);}
.btn--grass{background:var(--grass);color:#04170E;}
.btn--grass:hover{background:var(--grass-hi);}
.btn--dark{background:var(--night);color:var(--mist);}
.btn--dark:hover{background:var(--night-2);color:var(--grass-hi);}
.btn--ghost{border-color:var(--line);color:var(--mist);}
.btn--ghost:hover{border-color:var(--grass-hi);color:var(--grass-hi);background:rgba(63,167,106,.12);}
.btn--sm{padding:9px 18px;font-size:13px;}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--pill);
  font-size:10px;
  letter-spacing:.14em;
  background:var(--amber-hi);
  color:#3A2306;
}
.tag--dark{background:rgba(63,167,106,.16);color:var(--grass-hi);border:1px solid var(--line);}

/* ---------- 6. cards & grids ---------- */
.grid{display:grid;gap:var(--gut);}
.grid--bento{grid-template-columns:repeat(12,minmax(0,1fr));}

.card{
  background:#fff;
  border:1px solid var(--edge);
  border-radius:var(--radius-lg);
  padding:clamp(20px,2.6vw,30px);
}
.card--dark{background:var(--night-2);color:var(--mist);border-color:var(--line);}
.card--panel{background:var(--panel);border-color:var(--zebra);}
.card--amber{background:var(--amber);color:#20160A;border-color:transparent;}
.card--outline{background:transparent;border:1px dashed var(--line);}
.card--dark .eyebrow{color:var(--grass-hi);}

.stat{display:flex;flex-direction:column;gap:2px;}
.stat__num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:clamp(26px,3.4vw,40px);line-height:1.15;color:var(--night);}
.stat__label{font-size:11px;letter-spacing:.16em;color:var(--txt-dim);}
.card--dark .stat__num{color:var(--mist);}
.card--dark .stat__label{color:var(--txt-soft);}
.card--amber .stat__num{color:#20160A;}
.card--amber .stat__label{color:rgba(32,22,10,.66);}

/* ---------- 7. chapters ---------- */
.chapter{
  position:relative;
  padding-block:clamp(32px,4.6vw,62px);
  border-top:1px solid var(--edge);
}
.chapter__no{
  display:block;
  font-family:var(--font-display);
  font-weight:300;
  font-size:clamp(56px,9vw,112px);
  line-height:.88;
  letter-spacing:-.04em;
  color:rgba(11,42,34,.14);
  font-variant-numeric:tabular-nums;
}
.chapter__title{
  position:relative;
  font-family:var(--font-display);
  font-size:clamp(21px,2.4vw,28px);
  letter-spacing:-.01em;
  color:var(--night);
  margin-top:-14px;
}
.chapter__body{max-width:72ch;margin-top:18px;}
[data-toc-link][aria-current]{color:var(--amber-hi);}

/* ---------- 8. prose ---------- */
.prose{max-width:74ch;font-size:17px;line-height:1.85;color:var(--ink);}
.prose p + p{margin-top:1em;}
.prose h3{font-family:var(--font-display);font-size:21px;color:var(--night);margin:1.7em 0 .5em;}
.prose ul{margin-top:.6em;}
.prose li{position:relative;padding-left:20px;margin-top:8px;}
.prose li::before{content:"";position:absolute;left:0;top:.78em;width:8px;height:2px;background:var(--grass);border-radius:2px;}
.prose strong{color:var(--night);font-weight:600;}
.dark-band .prose,.card--dark .prose{color:var(--txt-soft);}
.dark-band .prose h3,.card--dark .prose h3,.dark-band .prose strong,.card--dark .prose strong{color:var(--mist);}

/* ---------- 9. breadcrumb ---------- */
.crumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:11px;letter-spacing:.14em;color:var(--txt-soft);}
.crumb a{transition:color var(--t) var(--ease);}
.crumb a:hover{color:var(--grass-hi);}
.crumb__sep{opacity:.45;}
.crumb--light{color:var(--txt-dim);}
.crumb--light a:hover{color:var(--night);}

/* ---------- 10. data table ---------- */
.table-wrap{
  overflow:auto;
  max-height:72vh;
  background:var(--panel);
  border:1px solid var(--zebra);
  border-radius:var(--radius-lg);
  -webkit-overflow-scrolling:touch;
}
.data-table{width:100%;min-width:560px;font-size:14px;color:var(--ink);}
.data-table thead th{
  position:sticky;
  top:0;
  z-index:2;
  background:var(--panel);
  text-align:left;
  padding:14px 16px;
  font-size:11px;
  font-weight:500;
  letter-spacing:.16em;
  color:var(--txt-dim);
  border-bottom:1px solid var(--zebra);
  white-space:nowrap;
}
.data-table td{padding:13px 16px;border-bottom:1px solid var(--zebra);vertical-align:middle;}
.data-table tbody tr:nth-child(even){background:var(--zebra);}
.data-table tbody tr{transition:background var(--t) var(--ease);}
.data-table tbody tr:hover{background:rgba(63,167,106,.14);box-shadow:inset 0 1px 0 var(--grass),inset 0 -1px 0 var(--grass);}
.data-table .num{text-align:right;font-size:14px;}
.data-table caption{caption-side:top;text-align:left;padding:14px 16px 0;font-size:11px;letter-spacing:.18em;color:var(--txt-dim);}

/* ---------- 11. media ---------- */
.media{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  background:var(--night-2);
  aspect-ratio:16/9;
}
.media__img,.media img{width:100%;height:100%;object-fit:cover;}
.media__ph{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px),
    radial-gradient(circle at 22% 18%,rgba(242,160,61,.24),transparent 58%);
  background-size:30px 30px,30px 30px,100% 100%;
  opacity:.6;
}
.media__cap{
  position:absolute;
  left:16px;
  bottom:12px;
  font-size:10px;
  letter-spacing:.18em;
  color:rgba(247,250,248,.72);
}
.media--wide{aspect-ratio:21/9;}
.media--tall{aspect-ratio:4/5;}
.media--square{aspect-ratio:1/1;}

/* ---------- 12. reveal ---------- */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity 300ms var(--ease),transform 300ms var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
html.js [data-reveal].is-in{opacity:1;transform:none;}

/* ---------- 13. skip link ---------- */
.skip-link{
  position:fixed;
  top:10px;
  left:10px;
  z-index:200;
  padding:10px 20px;
  border-radius:var(--pill);
  background:var(--amber);
  color:#20160A;
  font-size:13px;
  letter-spacing:.08em;
  transform:translateY(-180%);
  transition:transform var(--t) var(--ease);
}
.skip-link:focus{transform:none;}

/* ---------- 14. header ---------- */
.site-head{
  position:sticky;
  top:0;
  z-index:90;
  background:var(--night);
  border-bottom:1px solid var(--line);
}
.progress{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:3px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--grass),var(--amber));
  pointer-events:none;
  z-index:130;
}
.site-head__bar{
  display:flex;
  align-items:center;
  gap:16px;
  max-width:var(--wrap);
  margin-inline:auto;
  min-height:var(--head-h);
  padding:10px clamp(16px,2.6vw,34px);
}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--mist);}
.brand__mark{
  display:grid;
  place-content:center;
  gap:4px;
  width:40px;
  height:40px;
  border-radius:14px;
  background:var(--night-2);
  border:1px solid var(--line);
  flex:0 0 auto;
}
.brand__dot{display:block;width:18px;height:3px;border-radius:2px;background:var(--grass);}
.brand__dot:nth-child(2){width:11px;background:var(--amber);}
.brand__dot:nth-child(3){width:14px;background:var(--grass-hi);}
.brand__text{display:block;}
.brand__name{
  display:block;
  font-family:var(--font-display);
  font-size:19px;
  letter-spacing:.05em;
  line-height:1.15;
  color:var(--mist);
}
.brand__sub{display:block;font-size:10px;letter-spacing:.16em;color:var(--txt-soft);}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  margin-left:auto;
  padding:10px 16px;
  border-radius:var(--pill);
  border:1px solid var(--line);
  color:var(--mist);
  font-size:13px;
  letter-spacing:.1em;
}
.nav-toggle__bars{
  position:relative;
  display:inline-block;
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--amber);
  transition:background var(--t) var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--grass);
  transition:transform var(--t) var(--ease),background var(--t) var(--ease);
}
.nav-toggle__bars::before{top:-5px;}
.nav-toggle__bars::after{top:5px;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(5px) rotate(45deg);background:var(--amber);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-5px) rotate(-45deg);background:var(--amber);}

.nav{margin-left:auto;}
.nav__list{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.nav__link{
  display:inline-block;
  padding:9px 16px;
  border-radius:var(--pill);
  border:1px solid transparent;
  font-size:14px;
  color:rgba(247,250,248,.78);
  white-space:nowrap;
  transition:color var(--t) var(--ease),background var(--t) var(--ease),border-color var(--t) var(--ease);
}
.nav__link:hover{color:var(--mist);background:rgba(63,167,106,.16);border-color:var(--line);}
.nav__link[aria-current="page"]{color:var(--amber-hi);border-color:var(--amber);background:rgba(242,160,61,.12);}

.ver-pill{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:8px;
  padding:8px 15px;
  border-radius:var(--pill);
  background:var(--night-2);
  border:1px solid var(--line);
  font-size:10px;
  letter-spacing:.1em;
  color:var(--txt-soft);
  white-space:nowrap;
}
.ver-pill__ver{font-family:var(--font-mono);font-size:11px;letter-spacing:0;color:var(--amber-hi);}
.ver-pill__time{display:inline-flex;align-items:center;gap:6px;}
.ver-pill__dot{
  display:inline-block;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--grass-hi);
  animation:pulse 2.4s var(--ease) infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.4;transform:scale(.7);}
}

.rail{display:none;}
.rail__brand,
.rail__meta,
.rail__line,
.rail__stack{display:block;}

/* ---------- 15. footer ---------- */
.site-foot{background:var(--night);color:var(--mist);}
.dock{background:var(--night-2);border-bottom:1px solid var(--line);}
.dock__inner{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:18px clamp(16px,2.6vw,34px);
}
.dock__label{font-size:10px;letter-spacing:.24em;color:var(--amber-hi);}
.dock__list{display:flex;gap:10px;flex-wrap:wrap;}
.dock__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  border-radius:var(--pill);
  background:rgba(63,167,106,.14);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--mist);
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.dock__link:hover{background:var(--grass);color:#04170E;border-color:var(--grass);}

.foot__inner{
  max-width:var(--wrap);
  margin-inline:auto;
  padding:52px clamp(16px,2.6vw,34px) 26px;
}
.foot__brand{margin-bottom:44px;max-width:62ch;}
.foot__brand-name{
  font-family:var(--font-display);
  font-size:clamp(28px,4vw,40px);
  letter-spacing:-.02em;
  line-height:1.1;
  color:var(--mist);
}
.foot__brand-note{margin-top:12px;font-size:14px;line-height:1.9;color:var(--txt-soft);}
.foot__grid{
  display:grid;
  grid-template-columns:1.1fr 1fr 1.5fr 1.1fr;
  gap:34px;
}
.foot__title{
  font-size:11px;
  letter-spacing:.24em;
  color:var(--amber-hi);
  margin-bottom:14px;
}
.foot__list li + li{margin-top:9px;}
.foot__link{
  font-size:14px;
  color:rgba(247,250,248,.75);
  transition:color var(--t) var(--ease);
}
.foot__link:hover{color:var(--grass-hi);}
.foot__note{font-size:13px;line-height:1.9;color:var(--txt-soft);}
.foot__note + .foot__note{margin-top:6px;}
.foot__note .num{color:var(--grass-hi);}
.foot__legal{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line-soft);
}
.foot__copy{font-size:12px;letter-spacing:.04em;color:var(--txt-soft);}
.foot__legal-links{display:flex;gap:18px;flex-wrap:wrap;}
.foot__legal-links .foot__link{font-size:12px;letter-spacing:.06em;}

.to-top{
  position:fixed;
  left:25px;
  bottom:24px;
  z-index:120;
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  border-radius:var(--pill);
  background:var(--amber);
  color:#20160A;
  font-size:16px;
  line-height:1;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t);
}
.to-top[data-show]{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--amber-hi);}

/* ---------- 16. responsive ---------- */
@media (min-width:1024px){
  .wrap,
  .dock__inner,
  .foot__inner{padding-left:calc(var(--rail-w) + 30px);}
  .rail{
    position:fixed;
    left:0;
    top:var(--head-h);
    bottom:0;
    width:var(--rail-w);
    z-index:80;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:space-between;
    padding:30px 8px 96px;
    background:var(--night);
    border-right:1px solid var(--line);
  }
  .rail__brand{
    writing-mode:vertical-rl;
    font-family:var(--font-display);
    font-size:14px;
    letter-spacing:.34em;
    color:rgba(247,250,248,.68);
  }
  .rail__line{
    width:1px;
    height:64px;
    background:linear-gradient(180deg,var(--grass),rgba(63,167,106,0));
  }
  .rail__stack{display:flex;flex-direction:column;gap:10px;align-items:center;}
  .rail__meta{
    font-size:10px;
    letter-spacing:.06em;
    color:var(--txt-soft);
    text-align:center;
    white-space:nowrap;
  }
  .rail__meta .num{display:inline;color:var(--grass-hi);font-size:11px;}
}

@media (max-width:1100px) and (min-width:901px){
  .nav__link{padding:8px 12px;font-size:13px;}
  .brand__sub{display:none;}
}

@media (max-width:900px){
  :root{--head-h:64px;}
  .nav-toggle{display:inline-flex;}
  .ver-pill{display:none;}
  .brand__mark{width:36px;height:36px;border-radius:12px;}
  .brand__name{font-size:17px;}
  .nav{
    position:fixed;
    top:var(--head-h);
    right:0;
    bottom:0;
    width:min(330px,88vw);
    margin:0;
    padding:16px 14px 46px;
    background:var(--night-2);
    border-left:1px solid var(--line);
    overflow-y:auto;
    transform:translateX(102%);
    visibility:hidden;
    transition:transform 280ms var(--ease),visibility 280ms;
    z-index:95;
  }
  .nav[data-open]{transform:translateX(0);visibility:visible;}
  .nav__list{flex-direction:column;align-items:stretch;gap:4px;}
  .nav__link{
    display:block;
    padding:14px 16px;
    border-radius:var(--radius-md);
    font-size:16px;
  }
  .nav__link[aria-current="page"]{background:rgba(242,160,61,.14);}
  .foot__grid{grid-template-columns:1fr 1fr;gap:26px;}
  .to-top{left:14px;bottom:14px;width:42px;height:42px;}
}

@media (max-width:720px){
  body{font-size:16px;line-height:1.8;}
  .grid--bento{grid-template-columns:1fr;}
  .section-head{align-items:flex-start;flex-direction:column;gap:12px;}
  .foot__grid{grid-template-columns:1fr;}
  .foot__brand{margin-bottom:32px;}
  .data-table{min-width:480px;}
  .chapter__no{font-size:clamp(48px,16vw,72px);}
}

/* ---------- 17. motion preferences ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.js [data-reveal]{opacity:1;transform:none;}
}