:root{--h:198;--ah:45;--sat:56%;--lit:59%;--radius:13px;--space:1.25;--max:980px;--bg:hsl(var(--h) 34% 8%);--panel:hsl(var(--h) 25% 13%);--ink:hsl(var(--h) 20% 96%);--muted:hsl(var(--h) 14% 70%);--accent:hsl(var(--ah) var(--sat) var(--lit));--line:hsl(var(--h) 20% 28%)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 system-ui,-apple-system,"Microsoft YaHei",sans-serif}body.light{--bg:hsl(var(--h) 35% 96%);--panel:white;--ink:hsl(var(--h) 35% 11%);--muted:hsl(var(--h) 12% 38%);--line:hsl(var(--h) 18% 82%)}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}.shell{width:min(var(--max),92vw);margin:auto}.topbar{display:flex;align-items:center;gap:22px;padding:20px 0;border-bottom:1px solid var(--line);position:relative;z-index:4}.brand{font-weight:900;letter-spacing:.06em;margin-right:auto}.nav{display:flex;gap:18px;align-items:center}.nav a,.tool{color:var(--muted)}.tool{border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:7px 11px}.nav-toggle{display:none;align-items:center;justify-content:center;line-height:1}.nav-backdrop{display:none;position:fixed;inset:0;background:#0008;z-index:15}.nav-backdrop.open{display:block}.hero{position:relative;display:grid;gap:clamp(28px,5vw,70px);align-items:center;padding:calc(54px * var(--space)) 0;overflow:hidden}.hero-copy{position:relative}.eyebrow,.kicker{color:var(--accent);font-weight:800;letter-spacing:.15em;text-transform:uppercase}h1{font-size:clamp(38px,5.2vw,70px);line-height:1.08;letter-spacing:-.035em;margin:14px 0 22px;overflow-wrap:anywhere}h2{line-height:1.25}.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:780px}.hero-art{min-height:360px;border:1px solid var(--line);border-radius:calc(var(--radius) + 12px);background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 22%,transparent),var(--panel));overflow:hidden;display:grid;place-items:center;position:relative}.hero-art img{width:100%;height:100%;object-fit:cover}.section{padding:calc(44px * var(--space)) 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head p,.muted{color:var(--muted)}.cards{display:grid;gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:calc(25px * var(--space));transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-3px);border-color:var(--accent)}.card-index{font-weight:900;color:var(--accent)}.card p{color:var(--muted)}.article{width:min(760px,92vw);margin:auto;padding:56px 0}.article h1{font-size:clamp(34px,5vw,58px)}.article-figure{margin:24px 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}.article-figure img{width:100%;display:block;object-fit:cover;max-height:420px}.article-body{font-size:18px}.article-body p{margin:1.2em 0}.crumbs{color:var(--muted);font-size:14px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:28px 0}.button{display:inline-block;background:var(--accent);color:hsl(var(--h) 40% 8%);border:0;border-radius:999px;padding:10px 17px;font-weight:800}.button.secondary{background:var(--panel);color:var(--ink);border:1px solid var(--line)}details{padding:16px 0;border-bottom:1px solid var(--line)}summary{font-weight:750;cursor:pointer}.search-layer{position:fixed;inset:0;background:#000b;z-index:20;display:none;padding:8vh 5vw}.search-layer.open{display:block}.search-box{max-width:760px;margin:auto;background:var(--panel);border:1px solid var(--line);padding:24px;border-radius:var(--radius)}.search-box input,.form input,.form textarea{width:100%;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:8px;padding:12px}.result{display:block;padding:14px 0;border-bottom:1px solid var(--line)}.form{display:grid;gap:14px;max-width:680px}.form label{display:grid;gap:5px}.hp{position:absolute;left:-9999px}footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);margin-top:50px}.hero{grid-template-columns:1.25fr .75fr}.cards{grid-template-columns:repeat(4,1fr)}.card:first-child,.card:last-child{grid-column:span 2}
.card,.hero-art{background:transparent;border-width:2px}
h1,h2,.brand{font-family:Georgia,"Noto Serif SC","Songti SC",serif}h1{font-size:clamp(36px,4.3vw,58px);line-height:1.1;letter-spacing:-.025em}
@media(max-width:800px){.nav-toggle{display:inline-flex}.nav{position:fixed;top:0;right:-100%;bottom:0;width:min(80vw,320px);flex-direction:column;align-items:flex-start;gap:22px;padding:88px 26px 26px;background:var(--panel);border-left:1px solid var(--line);transition:right .25s ease;z-index:16}.nav.open{right:0}.nav a{display:block;font-size:16px}.hero,.cards,.card{grid-template-columns:1fr!important}.card{grid-column:auto!important;transform:none!important}.hero-art{min-height:260px;position:relative}h1{font-size:clamp(32px,9vw,46px)}}

/* AI-generated per-site template layer */
body{
  margin:0;
  background:#0d1320;
  background-image:
    radial-gradient(1200px 600px at 12% -10%, rgba(98,76,222,0.16), transparent 60%),
    radial-gradient(900px 500px at 90% 8%, rgba(64,202,224,0.10), transparent 65%),
    linear-gradient(180deg, #0d1320 0%, #0b1224 40%, #0e1426 100%);
  color:#cdd6e6;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.7;
  letter-spacing:0.01em;
  min-height:100vh;
}
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  gap:18px;
  padding:12px 28px;
  background:rgba(13,19,32,0.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(120,140,200,0.18);
}
.brand{
  font-family:"Songti SC","Noto Serif SC","Source Han Serif SC",Georgia,serif;
  font-size:20px;
  font-weight:700;
  letter-spacing:0.04em;
  color:#f5f7ff;
  white-space:nowrap;
  text-shadow:0 0 18px rgba(140,120,255,0.35);
}
.nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
  flex:1 1 auto;
  flex-wrap:wrap;
}
.nav a{
  position:relative;
  padding:8px 12px;
  font-size:13.5px;
  color:#a7b3cf;
  text-decoration:none;
  border-radius:6px;
  transition:color .25s,background .25s;
}
.nav a:hover{color:#f0f3ff;background:rgba(120,140,220,0.10);}
.nav a.active{color:#ffe9b8;}
.nav a.active::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:linear-gradient(90deg,#caa14a,#e6c878,#caa14a);
  border-radius:2px;
}
.hero{
  position:relative;
  margin:24px auto 0;
  padding:0 28px;
  max-width:1280px;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  gap:32px;
  align-items:stretch;
}
.hero-copy{
  position:relative;
  padding:44px 38px 40px;
  border:1px solid rgba(140,160,230,0.22);
  border-radius:14px;
  background:
    linear-gradient(135deg, rgba(40,52,92,0.55), rgba(20,28,52,0.35)),
    radial-gradient(420px 200px at 0 0, rgba(98,76,222,0.22), transparent 70%);
  overflow:hidden;
}
.hero-copy::before{
  content:"";
  position:absolute;inset:-2px -2px auto -2px;height:3px;
  background:linear-gradient(90deg,#6b4dcc,#3fb6e0,#caa14a,#6b4dcc);
  background-size:300% 100%;
  opacity:0.85;
  border-radius:14px 14px 0 0;
  animation:flow 9s linear infinite;
}
@keyframes flow{0%{background-position:0 0}100%{background-position:300% 0}}
.hero-copy .eyebrow{
  font-size:12px;letter-spacing:0.22em;color:#e6c878;text-transform:uppercase;
}
.hero-copy h1{
  font-family:"Songti SC","Noto Serif SC",Georgia,serif;
  font-size:30px;line-height:1.32;margin:14px 0 10px;color:#f6f8ff;
}
.hero-copy p{color:#b3bcd4;font-size:14px;max-width:46ch;}
.hero-copy .meta{margin:18px 0;font-size:12.5px;color:#8a96b5;}
.hero-art{
  position:relative;
  min-height:300px;
  border-radius:14px;
  border:1px solid rgba(140,160,230,0.22);
  background:
    radial-gradient(circle at 30% 40%, rgba(98,76,222,0.30), transparent 55%),
    radial-gradient(circle at 75% 70%, rgba(63,182,224,0.22), transparent 60%),
    linear-gradient(160deg, rgba(30,40,72,0.6), rgba(14,20,38,0.6));
  display:flex;align-items:flex-end;justify-content:center;
  padding:26px;
}
.hero-art::after{
  content:"桥牌牌桌示意";
  position:absolute;left:50%;bottom:22px;transform:translateX(-50%);
  font-size:12px;letter-spacing:0.2em;color:#9aa6c4;
  border:1px solid rgba(200,210,240,0.18);
  padding:6px 14px;border-radius:20px;background:rgba(13,19,32,0.55);
}
.section{
  max-width:1280px;
  margin:56px auto 0;
  padding:0 28px;
}
.section h2{
  font-family:"Songti SC","Noto Serif SC",Georgia,serif;
  font-size:22px;
  color:#f2f4fb;
  margin:0 0 22px;
  padding-left:14px;
  border-left:3px solid;
  border-image:linear-gradient(#caa14a,#6b4dcc) 1;
  line-height:1.3;
}
.cards{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:18px;
}
.card{
  position:relative;
  padding:22px 22px 20px;
  border:1px solid rgba(130,150,210,0.20);
  border-radius:12px;
  background:linear-gradient(180deg, rgba(28,38,68,0.42), rgba(16,24,46,0.42));
  text-decoration:none;
  color:inherit;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(170,190,255,0.55);
  box-shadow:0 10px 32px rgba(60,80,180,0.22), 0 0 0 1px rgba(170,190,255,0.25) inset;
}
.card h3{
  font-family:"Songti SC","Noto Serif SC",Georgia,serif;
  font-size:17px;color:#f0f2fb;margin:0 0 10px;
}
.card p{font-size:13px;color:#a5afca;margin:0 0 14px;line-height:1.65;}
.card .tag{font-size:11px;color:#e6c878;letter-spacing:0.12em;}
.article{max-width:820px;margin:32px auto 0;padding:0 24px;}
.article h1{
  font-family:"Songti SC","Noto Serif SC",Georgia,serif;
  font-size:30px;line-height:1.4;color:#f6f8ff;margin:18px 0 12px;
}
.article .meta{font-size:12.5px;color:#8a96b5;margin-bottom:28px;}
.article-body{font-size:16px;line-height:1.85;color:#ccd3e6;}
.article-body h2{
  font-family:"Songti SC","Noto Serif SC",Georgia,serif;
  font-size:19px;color:#eef1fa;margin:32px 0 14px;
  padding-left:12px;border-left:3px solid #caa14a;
}
.article-body p{margin:0 0 18px;}
.article-body a{color:#9fc6e0;text-decoration:underline;text-underline-offset:3px;}
.lead{
  font-size:17px;line-height:1.8;color:#dfe4f0;
  border-top:1px solid rgba(200,165,74,0.30);
  border-bottom:1px solid rgba(200,165,74,0.30);
  padding:16px 0;margin:24px 0;
  background:linear-gradient(90deg, rgba(200,165,74,0.05), transparent 80%);
}
.button{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;
  font-size:13.5px;letter-spacing:0.06em;color:#f6f8ff;
  background:linear-gradient(135deg, rgba(98,76,222,0.85), rgba(63,182,224,0.70));
  border:1px solid rgba(200,210,255,0.35);
  border-radius:8px;
  text-decoration:none;
  box-shadow:0 6px 22px rgba(80,90,200,0.30);
  transition:transform .25s,box-shadow .25s;
}
.button:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(90,100,220,0.45);}
footer{
  margin-top:80px;
  padding:36px 28px 28px;
  border-top:1px solid rgba(120,140,200,0.18);
  background:linear-gradient(180deg, transparent, rgba(10,15,28,0.6));
  color:#7e8aa6;
  font-size:12.5px;
}
footer a{color:#9aa6c4;text-decoration:none;margin-right:18px;}
@media (max-width:1199px){
  .hero{grid-template-columns:1fr;}
  .hero-art{min-height:220px;}
  .nav{gap:2px;}
}
@media (max-width:768px){
  body{font-size:14.5px;}
  .topbar{flex-wrap:wrap;padding:10px 16px;gap:10px;}
  .nav{
    order:5;width:100%;flex-direction:column;align-items:stretch;
    gap:0;max-height:0;overflow:hidden;
    transition:max-height .35s ease;
    border-top:1px solid rgba(120,140,200,0.18);
  }
  .nav.open{max-height:420px;}
  .nav a{padding:12px 14px;border-radius:0;border-bottom:1px solid rgba(120,140,200,0.10);}
  .nav a.active::after{display:none;}
  .nav a.active{background:rgba(120,140,220,0.12);}
  .hero{margin-top:16px;padding:0 16px;gap:16px;}
  .hero-copy{padding:28px 22px;}
  .hero-copy h1{font-size:23px;}
  .hero-copy p{font-size:13.5px;}
  .hero-art{min-height:160px;}
  .section{margin-top:40px;padding:0 16px;}
  .section h2{font-size:19px;}
  .cards{grid-template-columns:1fr;gap:14px;}
  .article{padding:0 16px;}
  .article h1{font-size:23px;}
  .article-body{font-size:15.5px;line-height:1.8;}
  .article-body h2{font-size:17px;}
  .lead{font-size:15px;padding:14px 0;}
  .button{width:100%;justify-content:center;padding:13px 20px;}
  footer{padding:28px 16px;}
  footer a{display:inline-block;margin:0 14px 8px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}