/* ============================================================
   米乐看台 · 共享外壳样式表  /assets/site.css
   看台墨绿底 + 荧光青强调 + 暖橙刻度 + 看台红状态
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --ink:#06110F;
  --ink-2:#0B1F1A;
  --ink-3:#12312A;
  --glass:rgba(18,49,42,.58);
  --glass-strong:rgba(11,31,26,.96);
  --cyan:#35E3C4;
  --cyan-soft:#9FF3E4;
  --orange:#F0A44A;
  --red:#E1413C;
  --paper:#E8F1EC;
  --muted:#8FAFA2;
  --hair:rgba(232,241,236,.08);
  --hair-strong:rgba(232,241,236,.18);

  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-data:"Barlow Condensed","Oswald","Arial Narrow","PingFang SC",sans-serif;
  --font-body:"Noto Sans SC","Inter",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Consolas,monospace;

  --fs-12:12px;--fs-14:14px;--fs-17:17px;--fs-22:22px;
  --fs-30:30px;--fs-44:44px;--fs-64:64px;--fs-96:96px;

  --shell:1240px;
  --pad:clamp(16px,4vw,40px);
  --radius:14px;
  --radius-sm:9px;
  --header-h:76px;
  --ease:cubic-bezier(.22,.68,.28,1);
  --shadow:0 24px 60px -42px rgba(0,0,0,.95);
}

/* ---------- 2. 重置与底色 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 84% -12%, rgba(53,227,196,.09), transparent 62%),
    radial-gradient(760px 420px at 4% 8%, rgba(240,164,74,.05), transparent 60%),
    var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:var(--fs-17);
  font-weight:400;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(112deg, rgba(53,227,196,.05) 0 1px, transparent 1px 170px),
    linear-gradient(0deg, rgba(232,241,236,.03) 0 1px, transparent 1px 104px);
  opacity:.9;
}
img,svg,video{max-width:100%;display:block}
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}
p{margin:0}
h1,h2,h3,h4{margin:0;font-family:var(--font-display);font-weight:700;line-height:1.15}
strong{font-weight:700}

/* 中文排版 */
p,li{text-wrap:pretty;word-break:break-word}
h1,h2,h3{text-wrap:balance}

/* ---------- 3. 可见焦点与无障碍 ---------- */
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}
.skip-link{
  position:absolute;top:-70px;left:16px;z-index:200;
  padding:10px 18px;border-radius:999px;
  background:var(--cyan);color:var(--ink);
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.08em;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:14px}
.visually-hidden{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- 4. 主内容基准 ---------- */
#main-content{padding-top:var(--header-h)}
.overlap-hero{margin-top:calc(-1 * var(--header-h))}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 var(--pad);position:relative;z-index:1}

/* ---------- 5. 头部：透明叠加 -> 实色阅读态 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background-color:transparent;
  color:var(--paper);
  transition:background-color .28s var(--ease),box-shadow .28s var(--ease),backdrop-filter .28s var(--ease);
}
.site-header.is-solid{
  background-color:var(--glass-strong);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:0 1px 0 var(--hair),0 22px 48px -42px #000;
}
.header-rail{
  position:absolute;left:0;right:0;bottom:0;height:2px;
  background-color:rgba(232,241,236,.07);
  background-image:repeating-linear-gradient(90deg, rgba(232,241,236,.2) 0 1px, transparent 1px 22px);
}
.rail-fill{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg, var(--cyan), var(--cyan-soft));
  opacity:.7;
  transition:width .12s linear;
}
.header-shell{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:0 var(--pad);
  min-height:var(--header-h);
  display:flex;align-items:center;gap:clamp(12px,2vw,30px);
}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;min-width:0}
.brand-tag{
  display:grid;place-items:center;
  width:42px;height:42px;flex:0 0 auto;
  border-radius:12px 12px 12px 3px;
  background:var(--cyan);color:var(--ink);
  font-family:var(--font-data);font-weight:700;font-size:22px;letter-spacing:-.01em;line-height:1;
}
.brand-copy{display:flex;flex-direction:column;line-height:1.1;min-width:0}
.brand-name{font-family:var(--font-data);font-size:20px;font-weight:700;letter-spacing:.01em}
.brand-line{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.11em;
  color:var(--muted);white-space:nowrap;margin-top:3px;
}

.site-nav{flex:1 1 auto;min-width:0}
.nav-list{display:flex;align-items:center;gap:clamp(4px,1.1vw,16px)}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 2px;font-size:15px;line-height:1.4;color:var(--muted);
  transition:color .16s var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--paper)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--cyan-soft)}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-link.is-current{color:var(--cyan)}

.header-tools{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.tool-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border:1px solid var(--hair-strong);border-radius:999px;
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.08em;
  color:var(--muted);
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.tool-btn:hover{color:var(--cyan);border-color:var(--cyan)}
.tool-btn[aria-expanded="true"]{background:var(--cyan);border-color:var(--cyan);color:var(--ink)}
.tool-dot{width:6px;height:6px;border-radius:50%;background:var(--orange);flex:0 0 auto}
.tool-btn[aria-expanded="true"] .tool-dot{background:var(--ink)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:999px;border:1px solid transparent;
  font-size:14px;font-weight:500;line-height:1;white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-solid{background:var(--cyan);color:var(--ink)}
.btn-solid:hover{background:var(--cyan-soft)}
.btn-line{border-color:var(--hair-strong);color:var(--paper)}
.btn-line:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-ghost{color:var(--muted);padding:10px 8px}
.btn-ghost:hover{color:var(--cyan)}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border:1px solid var(--hair-strong);border-radius:999px;
  color:var(--paper);
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle-bars{position:relative;display:block;width:16px;height:2px;background:currentColor}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;
  transition:transform .2s var(--ease);
}
.nav-toggle-bars::before{top:-5px}
.nav-toggle-bars::after{top:5px}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-bars{background:transparent}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-bars::before{transform:translateY(5px) rotate(45deg)}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-5px) rotate(-45deg)}

/* ---------- 6. 标签抽屉 ---------- */
.tag-drawer{
  background:var(--glass-strong);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-top:1px solid var(--hair);
  border-bottom:1px solid var(--hair);
}
.tag-drawer[hidden]{display:none}
.drawer-inner{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:22px var(--pad) 26px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px clamp(16px,2.4vw,34px);
}
.tag-group{min-width:0}
.tag-group-title{
  display:flex;align-items:baseline;gap:8px;
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.1em;
  color:var(--muted);margin-bottom:11px;
}
.tag-key{color:var(--paper)}
.tag-key-sub{color:var(--orange);opacity:.75}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 11px;border-radius:999px;border:1px solid transparent;
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.06em;line-height:1.6;
  transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.tag--league{color:var(--cyan);border-color:rgba(53,227,196,.32);background:rgba(53,227,196,.07)}
.tag--club{color:var(--orange);border-color:rgba(240,164,74,.32);background:rgba(240,164,74,.08)}
.tag--season{color:var(--muted);border-color:var(--hair-strong);background:rgba(232,241,236,.04)}
.tag--venue{color:var(--red);border-color:rgba(225,65,60,.38);background:rgba(225,65,60,.1)}
.tag--league:hover,.tag--club:hover,.tag--season:hover,.tag--venue:hover{
  background:var(--cyan);border-color:var(--cyan);color:var(--ink);
}
.tag[aria-pressed="true"]{background:var(--paper);border-color:var(--paper);color:var(--ink)}

/* ---------- 7. 章节与栅格基座 ---------- */
.section{padding:clamp(46px,7vw,88px) 0;position:relative;z-index:1}
.section-head{
  display:flex;align-items:baseline;gap:clamp(10px,2vw,20px);
  margin-bottom:clamp(20px,3vw,36px);flex-wrap:wrap;
}
.section-no{
  position:relative;
  font-family:var(--font-data);font-weight:700;letter-spacing:-.01em;line-height:1;
  font-size:clamp(30px,4vw,64px);color:var(--orange);
  padding-left:22px;
}
.section-no::before{
  content:"";position:absolute;left:0;top:.52em;
  width:14px;height:2px;background:var(--cyan);
}
.section-title{font-size:clamp(28px,3.6vw,52px);line-height:1.15}
.section-rule{flex:1 1 120px;height:1px;background:var(--hair-strong);align-self:center}

.grid{display:grid;gap:clamp(14px,1.8vw,22px)}
.grid-12{grid-template-columns:repeat(12,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

.panel{
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--hair);
  border-radius:var(--radius);
  padding:clamp(18px,2.4vw,28px);
  box-shadow:var(--shadow);
}
.card{
  background:var(--ink-2);
  border:1px solid var(--hair);
  border-radius:var(--radius);
  padding:clamp(18px,2.4vw,26px);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.card:hover{border-color:var(--hair-strong);transform:translateY(-2px)}

.prose{max-width:72ch}
.prose p{color:var(--paper);margin-bottom:1.05em}
.prose p:last-child{margin-bottom:0}
.prose h3{font-size:var(--fs-22);margin:1.4em 0 .5em}
.prose ul{margin:0 0 1.05em;padding-left:0}
.prose ul li{position:relative;padding-left:18px;margin-bottom:.4em}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;background:var(--cyan)}

.link-cyan{color:var(--cyan);border-bottom:1px solid rgba(53,227,196,.35);transition:color .16s var(--ease),border-color .16s var(--ease)}
.link-cyan:hover{color:var(--cyan-soft);border-color:var(--cyan-soft)}

/* ---------- 8. 面包屑 / 数字带 / 侧刻度 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.06em;
  color:var(--muted);padding:14px 0;
}
.breadcrumb a{color:var(--muted);transition:color .16s var(--ease)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:rgba(232,241,236,.28)}

.data-strip{
  display:flex;flex-wrap:wrap;gap:clamp(16px,3.4vw,44px);
  border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);
  padding:16px 0;
}
.data-cell{display:flex;flex-direction:column;gap:3px;min-width:0}
.data-value{
  font-family:var(--font-data);font-weight:700;line-height:1;
  font-size:clamp(22px,3vw,44px);color:var(--cyan);
}
.data-label{
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.08em;color:var(--muted);
}

.spy-nav{display:flex;flex-direction:column;gap:10px}
[data-spy-link]{
  display:inline-flex;align-items:baseline;gap:9px;
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.08em;
  color:var(--muted);transition:color .16s var(--ease);
}
[data-spy-link]:hover{color:var(--paper)}
[data-spy-link].is-current{color:var(--cyan)}
[data-spy-link].is-current .spy-no{color:var(--cyan)}
.spy-no{font-family:var(--font-data);font-size:16px;font-weight:700;color:var(--muted)}

/* ---------- 9. 图片占位容器 ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;isolation:isolate;
  aspect-ratio:16/9;
  border:1px solid var(--hair);
  border-radius:var(--radius);
  background:
    linear-gradient(132deg, rgba(53,227,196,.14), transparent 58%),
    linear-gradient(0deg, var(--ink-3), var(--ink-2));
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::before{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background-image:repeating-linear-gradient(to bottom, rgba(6,17,15,.34) 0 1px, transparent 1px 5px);
  opacity:.5;mix-blend-mode:multiply;
}
.media-frame::after{
  content:"";position:absolute;top:10px;left:10px;width:26px;height:26px;z-index:3;pointer-events:none;
  border-top:2px solid var(--cyan);border-left:2px solid var(--cyan);opacity:.85;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--none{aspect-ratio:auto}
.media-caption{
  display:flex;gap:10px;align-items:baseline;margin-top:10px;
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.06em;color:var(--muted);
}

/* ---------- 10. 页脚：档案夹层次 ---------- */
.site-footer{
  position:relative;z-index:1;
  margin-top:clamp(48px,8vw,96px);
  background:var(--ink-2);
  border-top:1px solid var(--hair);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;pointer-events:none;
  background-image:repeating-linear-gradient(90deg, rgba(232,241,236,.18) 0 1px, transparent 1px 24px);
  opacity:.55;
}
.footer-shell{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:clamp(36px,6vw,74px) var(--pad) clamp(20px,3vw,30px);
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,1.9fr) minmax(0,1.35fr);
  gap:clamp(26px,4vw,58px);
}
.footer-brand{min-width:0}
.footer-blurb{
  margin-top:18px;max-width:34ch;
  font-size:15px;line-height:1.8;color:var(--muted);
}
.footer-meta{
  margin-top:16px;display:inline-flex;align-items:center;gap:9px;
  padding:6px 12px;border:1px solid var(--hair);border-radius:999px;
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.06em;color:var(--muted);
}
.meta-key{color:var(--orange)}
.meta-val{color:var(--paper)}

.footer-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2.4vw,30px)}
.footer-col{min-width:0}
.footer-col-title{
  display:flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.1em;color:var(--paper);
  margin-bottom:14px;
}
.footer-col-title::before{content:"";width:12px;height:2px;background:var(--cyan);flex:0 0 auto}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  display:inline-block;font-size:15px;color:var(--muted);
  transition:color .16s var(--ease),transform .16s var(--ease);
}
.footer-links a:hover{color:var(--cyan);transform:translateX(3px)}

.footer-contact{min-width:0}
.contact-list{display:flex;flex-direction:column;gap:11px}
.contact-list li{display:flex;flex-direction:column;gap:2px;min-width:0}
.contact-key{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--muted)}
.contact-val{font-size:15px;color:var(--paper);word-break:break-all}
.footer-note{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--hair-strong);
  font-size:13px;line-height:1.8;color:var(--muted);
}

.footer-base{
  margin-top:clamp(28px,4vw,48px);padding-top:20px;
  border-top:1px solid var(--hair);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;
}
.footer-copy,.footer-legal{
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.06em;color:var(--muted);
}
.footer-legal{color:var(--muted)}
.footer-top{
  margin-left:auto;
  padding:8px 16px;border:1px solid var(--hair-strong);border-radius:999px;
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.08em;color:var(--muted);
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-top:hover{color:var(--cyan);border-color:var(--cyan)}

/* ---------- 11. 滚动显现（JS 可用时才隐藏） ---------- */
html.js-on [data-reveal]{
  opacity:0;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
html.js-on [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 12. 响应式 ---------- */
@media (max-width:1280px){
  .btn-line{display:none}
}
@media (max-width:1150px){
  .tool-label{display:none}
  .tool-btn{padding:9px 12px}
}
@media (max-width:1024px){
  :root{--header-h:66px}
  .nav-toggle{display:inline-flex}
  .brand-line{display:none}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;
    display:none;
    background:var(--glass-strong);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border-top:1px solid var(--hair);
    border-bottom:1px solid var(--hair);
    padding:6px var(--pad) 20px;
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
  }
  .site-nav[data-open]{display:block;animation:navIn .22s var(--ease) both}
  @keyframes navIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    padding:15px 2px;font-size:var(--fs-17);color:var(--paper);
    border-bottom:1px solid var(--hair);
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{color:var(--cyan)}
  .nav-link.is-current{color:var(--cyan)}
  .drawer-inner{grid-template-columns:repeat(2,minmax(0,1fr));padding-top:18px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .footer-blurb{max-width:52ch}
  .footer-contact{grid-column:1 / -1}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  body{font-size:16px}
  .header-shell{gap:10px}
  .brand-tag{width:36px;height:36px;font-size:19px;border-radius:10px 10px 10px 3px}
  .brand-name{font-size:17px}
  .header-tools{gap:8px}
  .header-tools .btn-solid{padding:9px 13px;font-size:13px}
  .drawer-inner{grid-template-columns:1fr}
  .grid-12,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .footer-grid,.footer-columns{grid-template-columns:1fr}
  .footer-top{margin-left:0}
  .footer-base{flex-direction:column;align-items:flex-start}
}

/* ---------- 13. 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;
  }
  html.js-on [data-reveal]{opacity:1;transform:none}
  .rail-fill{transition:none}
}