/* 5v5 腰旗橄榄球训练体系 —— 站点样式 */
:root{
  --bg:#0a0e0b; --bg-2:#0f1511; --panel:#121a15; --panel-2:#16211a;
  --line:#22322a; --line-2:#2c4034;
  --txt:#e8f0ea; --txt-2:#bfd2c6; --txt-3:#93a89b;
  --green:#3fd97a; --green-d:#1f8a4c; --amber:#f2b544; --red:#e8615a;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth; scroll-padding-top:84px}
body{
  margin:0; background:var(--bg); color:var(--txt); font-family:var(--sans);
  font-size:16px; line-height:1.75; -webkit-font-smoothing:antialiased;
}
body::before{
  content:""; position:fixed; inset:0; pointer-events:none; z-index:0;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(63,217,122,.10), transparent 60%),
    radial-gradient(700px 400px at 95% 5%, rgba(242,181,68,.06), transparent 60%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.018) 0 1px, transparent 1px 96px);
}
a{color:var(--green); text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}

/* ---------- nav ---------- */
.nav{
  position:sticky; top:0; z-index:50; backdrop-filter:blur(14px);
  background:rgba(10,14,11,.82); border-bottom:1px solid var(--line);
}
.nav-in{max-width:var(--max); margin:0 auto; padding:12px 22px; display:flex; align-items:center; gap:20px}
.brand{display:flex; align-items:center; gap:10px; font-weight:700; letter-spacing:.02em; color:var(--txt)}
.brand .dot{width:9px; height:9px; border-radius:50%; background:var(--green); box-shadow:0 0 12px var(--green)}
.brand small{color:var(--txt-3); font-weight:500; font-size:12px; letter-spacing:.08em; text-transform:uppercase}
.nav-links{display:flex; gap:4px; margin-left:auto; flex-wrap:wrap}
.nav-links a{
  color:var(--txt-2); font-size:14px; padding:6px 11px; border-radius:8px; text-decoration:none;
  border:1px solid transparent;
}
.nav-links a:hover{color:var(--txt); background:var(--panel)}
.nav-links a.on{color:var(--green); border-color:var(--line-2); background:var(--panel)}
.search-btn{
  background:var(--panel); border:1px solid var(--line); color:var(--txt-3);
  padding:7px 12px; border-radius:9px; font-size:13px; cursor:pointer; font-family:var(--sans);
  display:flex; gap:8px; align-items:center;
}
.search-btn:hover{color:var(--txt); border-color:var(--line-2)}
.kbd{font-family:var(--mono); font-size:11px; border:1px solid var(--line-2); border-radius:4px; padding:1px 5px; color:var(--txt-3)}

/* ---------- layout ---------- */
.wrap{max-width:var(--max); margin:0 auto; padding:0 22px; position:relative; z-index:1}
.hero{
  display:grid; grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr); gap:46px;
  align-items:center; padding:70px 0 44px;
}
.hero-art{min-width:0}
.field-card{
  position:relative; border:1px solid var(--line); border-radius:20px; padding:14px;
  background:linear-gradient(160deg,#0d1b14,#09100c 60%); overflow:hidden;
  box-shadow:0 20px 60px -30px rgba(63,217,122,.25);
}
.field-card svg{display:block; width:100%; height:auto}
.field-cap{
  display:flex; justify-content:space-between; align-items:center; margin-top:10px;
  font-family:var(--mono); font-size:10.5px; letter-spacing:.1em; color:var(--txt-3); text-transform:uppercase;
}
.field-cap b{color:var(--green); font-weight:600}
.eyebrow{
  font-family:var(--mono); font-size:12px; letter-spacing:.18em; text-transform:uppercase;
  color:var(--green); display:flex; align-items:center; gap:10px; margin-bottom:18px;
}
.eyebrow::after{content:""; height:1px; flex:1; background:linear-gradient(90deg,var(--line-2),transparent)}
h1{font-size:clamp(30px,4.6vw,54px); line-height:1.15; margin:0 0 18px; letter-spacing:-.01em}
h1 em{font-style:normal; color:var(--green)}
.lede{font-size:clamp(15px,1.6vw,18px); color:var(--txt-2); max-width:70ch; margin:0 0 28px}
.hero-tags{display:flex; gap:8px; flex-wrap:wrap; margin-bottom:34px}
.tag{
  font-size:12.5px; color:var(--txt-2); border:1px solid var(--line); background:var(--panel);
  padding:4px 10px; border-radius:999px;
}
.stats{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:14px; overflow:hidden;
}
.stat{background:var(--bg-2); padding:18px 20px}
.stat b{display:block; font-size:26px; line-height:1.2; font-family:var(--mono); letters-spacing:-.02em}
.stat span{font-size:13px; color:var(--txt-3); line-height:1.45; display:block; margin-top:2px}
.stat.g b{color:var(--green)} .stat.a b{color:var(--amber)}

section{padding:44px 0}
.sec-head{display:flex; align-items:baseline; gap:14px; margin-bottom:22px; flex-wrap:wrap}
.sec-head h2{font-size:22px; margin:0; letter-spacing:.01em}
.sec-head p{margin:0; color:var(--txt-3); font-size:13.5px}

/* ---------- cards grid ---------- */
.grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:14px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{
  display:flex; flex-direction:column; background:linear-gradient(180deg,var(--panel),var(--bg-2));
  border:1px solid var(--line); border-radius:14px; padding:20px; color:inherit;
  text-decoration:none; transition:border-color .18s, transform .18s;
}
.card:hover{border-color:var(--green-d); transform:translateY(-2px); text-decoration:none}
.card .num{font-family:var(--mono); font-size:11.5px; color:var(--txt-3); letter-spacing:.14em}
.card h3{margin:8px 0 8px; font-size:17px}
.card p{margin:0; color:var(--txt-2); font-size:13.5px; line-height:1.65}
.card .more{margin-top:auto; padding-top:14px; font-size:12.5px; color:var(--green); font-family:var(--mono)}

/* ---------- doc layout ---------- */
.doc{display:grid; grid-template-columns:250px minmax(0,1fr); gap:38px; padding:36px 0 80px; align-items:start}
.toc{position:sticky; top:78px; max-height:calc(100vh - 100px); overflow:auto; padding-right:8px}
.toc h4{font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--txt-3); margin:0 0 12px; font-family:var(--mono)}
.toc ul{list-style:none; padding:0; margin:0; font-size:13.5px}
.toc li{margin:0 0 2px}
.toc a{
  color:var(--txt-2); display:block; padding:5px 8px 5px 12px; border-left:2px solid transparent;
  border-radius:0 6px 6px 0; text-indent:-9px;
}
.toc a:hover{color:var(--txt); background:var(--panel); text-decoration:none}
.toc a.sub{padding-left:24px; font-size:12.8px; color:var(--txt-3); text-indent:-9px}
.toc a.lv1{color:var(--txt); font-weight:600; margin-top:12px; padding-top:8px; border-top:1px dashed var(--line)}
.toc a.lv1:first-child{border-top:none; margin-top:0}
.toc a.on{color:var(--green); border-left-color:var(--green); background:rgba(63,217,122,.07)}
.doc-main{min-width:0}
.doc-head{margin-bottom:28px; padding-bottom:20px; border-bottom:1px solid var(--line)}
.doc-head .meta{font-family:var(--mono); font-size:12px; color:var(--txt-3); letter-spacing:.06em}

/* ---------- prose ---------- */
.prose{font-size:15.5px}
.prose h1{font-size:30px; margin:0 0 18px}
.prose h2{
  font-size:21px; margin:40px 0 14px; padding-top:12px; border-top:1px solid var(--line);
  scroll-margin-top:84px;
}
.prose h3{font-size:17px; margin:26px 0 10px; color:#cfe6d6; scroll-margin-top:84px}
.prose h4{font-size:15px; margin:20px 0 8px; color:var(--txt-2)}
.prose p{margin:0 0 14px; color:#d5e3d9}
.prose ul,.prose ol{padding-left:22px; margin:0 0 16px}
.prose li{margin:4px 0; color:#d5e3d9}
.prose strong{color:#fff}
.prose em{color:var(--amber); font-style:normal}
.prose blockquote{
  margin:18px 0; padding:12px 18px; border-left:3px solid var(--green-d);
  background:var(--panel); border-radius:0 8px 8px 0; color:var(--txt-2);
}
.prose code{
  font-family:var(--mono); font-size:.9em; background:#1a2620; border:1px solid var(--line);
  padding:1px 6px; border-radius:5px; color:#bfe9cf;
}
.prose pre{
  background:#0c1410; border:1px solid var(--line); border-radius:10px; padding:14px 16px;
  overflow:auto; margin:0 0 18px;
}
.prose pre code{background:none; border:none; padding:0; color:#c9dccf; font-size:13px; line-height:1.7}
.prose table{
  width:100%; border-collapse:collapse; margin:10px 0 22px; font-size:13.5px;
  display:block; overflow-x:auto; white-space:normal; min-width:0;
}
.prose th,.prose td{border:1px solid var(--line); padding:8px 11px; text-align:left; vertical-align:top}
.prose th{background:var(--panel-2); color:var(--green); font-weight:600; white-space:nowrap}
.prose td{white-space:normal; word-break:break-word}
.prose tr:nth-child(even) td{background:rgba(255,255,255,.012)}
.prose hr{border:none; border-top:1px solid var(--line); margin:30px 0}

/* ---------- pills / filters ---------- */
.chips{display:flex; gap:8px; flex-wrap:wrap; margin:0 0 22px}
.chip{
  background:var(--panel); border:1px solid var(--line); color:var(--txt-2);
  padding:6px 13px; border-radius:999px; font-size:13px; cursor:pointer; font-family:var(--sans);
}
.chip:hover{color:var(--txt); border-color:var(--line-2)}
.chip.on{background:rgba(63,217,122,.12); border-color:var(--green-d); color:var(--green)}
.filter{
  width:100%; background:var(--panel); border:1px solid var(--line); border-radius:10px;
  color:var(--txt); padding:11px 14px; font-size:14px; margin-bottom:18px; font-family:var(--sans);
}
.filter:focus{outline:none; border-color:var(--green-d)}

/* ---------- KB cards ---------- */
.kb{display:grid; gap:12px}
.kbcard{background:var(--panel); border:1px solid var(--line); border-radius:12px; overflow:hidden}
.kbcard summary{
  cursor:pointer; padding:16px 18px; list-style:none; display:flex; gap:14px; align-items:flex-start;
}
.kbcard summary::-webkit-details-marker{display:none}
.kbcard summary:hover{background:var(--panel-2)}
.kbcard .t{font-weight:600; font-size:15.5px; margin-bottom:4px}
.kbcard .s{color:var(--txt-2); font-size:13.5px}
.kbcard .side{margin-left:auto; display:flex; gap:6px; flex-shrink:0}
.badge{font-family:var(--mono); font-size:11px; padding:2px 7px; border-radius:5px; border:1px solid var(--line-2); color:var(--txt-2)}
.badge.l0{color:var(--amber); border-color:rgba(242,181,68,.4)}
.badge.ok{color:var(--green); border-color:rgba(63,217,122,.4)}
.badge.warn{color:var(--amber); border-color:rgba(242,181,68,.35)}
.badge.inf{color:#8fb2ff; border-color:rgba(143,178,255,.35)}
.kbcard .body{padding:0 18px 18px; border-top:1px solid var(--line)}
.kb-meta{display:flex; flex-wrap:wrap; gap:6px; margin:14px 0 4px}

.drill-sec{
  font-family:var(--mono); font-size:12px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--green); margin:36px 0 12px; padding-bottom:8px; border-bottom:1px solid var(--line);
}

/* ---------- callouts ---------- */
.note{
  border:1px solid var(--line); border-left:3px solid var(--amber); background:rgba(242,181,68,.05);
  padding:14px 18px; border-radius:0 10px 10px 0; color:var(--txt-2); font-size:14px; margin:20px 0;
}
.note b{color:var(--amber)}
.ok-note{border-left-color:var(--green); background:rgba(63,217,122,.05)}
.ok-note b{color:var(--green)}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line); margin-top:60px; padding:30px 0 60px; color:var(--txt-3); font-size:13px}
footer .wrap{display:flex; gap:18px; flex-wrap:wrap; align-items:center; justify-content:space-between}
footer a{color:var(--txt-2)}

/* ---------- search overlay ---------- */
.overlay{
  position:fixed; inset:0; z-index:100; background:rgba(6,10,8,.78); backdrop-filter:blur(6px);
  display:none; padding:90px 20px 40px;
}
.overlay.on{display:block}
.searchbox{max-width:720px; margin:0 auto}
.searchbox input{
  width:100%; background:var(--panel); border:1px solid var(--line-2); border-radius:12px;
  padding:15px 18px; color:var(--txt); font-size:16px; font-family:var(--sans);
}
.searchbox input:focus{outline:none; border-color:var(--green)}
.results{margin-top:12px; max-height:60vh; overflow:auto; border:1px solid var(--line); border-radius:12px; background:var(--bg-2)}
.result{display:block; padding:13px 16px; border-bottom:1px solid var(--line); color:inherit; text-decoration:none}
.result:last-child{border-bottom:none}
.result:hover{background:var(--panel)}
.result .rt{font-size:14.5px; color:var(--txt)}
.result .rp{font-family:var(--mono); font-size:11.5px; color:var(--txt-3); letter-spacing:.05em}
.result .rx{font-size:12.8px; color:var(--txt-2); margin-top:3px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden}
.empty{padding:22px 16px; color:var(--txt-3); font-size:13.5px}

/* ---------- 判断卡 / 首页脚注 ---------- */
.judge{margin:26px 0 10px}
.judge-h{
  font-family:var(--mono); font-size:11.5px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--green); margin-bottom:12px;
}
.judge-grid{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px}
.judge-item{background:var(--panel); border:1px solid var(--line); border-radius:12px; padding:15px 16px}
.judge-item span{
  display:block; font-family:var(--mono); font-size:9.5px; letter-spacing:.14em;
  color:var(--green); opacity:.75; margin-bottom:8px;
}
.judge-item b{display:block; font-size:14.5px; color:var(--txt); margin-bottom:7px; line-height:1.45}
.judge-item p{font-size:13px; color:var(--txt-2); line-height:1.68; margin:0}
.idx-foot{color:var(--txt-3); font-size:13px; line-height:2.1; margin:38px 0 72px}
.idx-foot a{color:var(--txt-2); border-bottom:1px solid var(--line-2, var(--line))}
.idx-foot a:hover{color:var(--green); text-decoration:none}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .hero{grid-template-columns:1fr; gap:28px}
  .hero-art{max-width:520px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .doc{grid-template-columns:1fr; gap:18px}
  .toc{position:static; max-height:none; border:1px solid var(--line); border-radius:12px; padding:14px; background:var(--panel)}
  .nav-in{flex-wrap:wrap; gap:10px}
  .nav-links{order:3; width:100%; overflow:auto}
  .hero{padding:44px 0 26px}
}
@media (max-width:760px){
  .judge-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
}
@media print{
  .nav,.toc,.overlay,footer{display:none}
  body{background:#fff; color:#111}
  .prose p,.prose li{color:#111}
}