:root{
  --bg:#0f1112; --surface:#151718; --card:#1b1e20; --line:#2a2e30;
  --ink-100:#f2f4f6; --ink-300:#cfd6dc; --ink-500:#a8b0b7; --ink-700:#838b92;
  --primary:#8B5E34; --accent:#9CA3AF; --warm:#D4A373; --deep:#5C4033;
  --radius:16px; --shadow:0 18px 28px -18px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.03);
}
*{box-sizing:border-box} html,body{height:100%}
body{margin:0;background:
  radial-gradient(1100px 500px at -10% 0%, rgba(139,94,52,.18), transparent 60%),
  radial-gradient(900px 500px at 110% 0%, rgba(156,163,175,.16), transparent 60%),
  linear-gradient(180deg, #0f1112, #141617);
  color:var(--ink-100);font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--warm);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:40;backdrop-filter:saturate(160%) blur(14px);background:linear-gradient(180deg, rgba(25,27,28,.75), rgba(25,27,28,.45));border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.7rem;font-weight:900;letter-spacing:.2px}
.brand-logo{width:38px;height:38px;border-radius:10px;display:inline-grid;place-items:center;background:conic-gradient(from 210deg, #8B5E34, #9CA3AF, #D4A373, #5C4033, #8B5E34);box-shadow:inset 0 0 0 2px rgba(255,255,255,.15), 0 8px 18px -12px rgba(139,94,52,.7)}
.brand span{font-family:'Bricolage Grotesque',system-ui,sans-serif}
.nav a{padding:.55rem .8rem;border-radius:10px;color:var(--ink-300);font-weight:800}
.nav a:hover{background:rgba(139,94,52,.12);text-decoration:none}
.theme-toggle{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:.45rem .65rem;cursor:pointer;color:var(--ink-300)}
section{padding:80px 0}
.section-title{font-family:'Bricolage Grotesque',system-ui,sans-serif;font-weight:900;letter-spacing:.2px;font-size:clamp(1.6rem,3.2vw,2.6rem);color:#fff;margin:0 0 .5rem}
.section-sub{color:var(--ink-500);margin:.2rem 0 1rem}
.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.9rem 1.15rem;border-radius:999px;border:1px solid var(--line);background:linear-gradient(180deg, #1d2123, #151718);color:#fff;font-weight:900;letter-spacing:.2px;box-shadow:var(--shadow);transition:transform .08s ease, filter .2s ease, box-shadow .2s ease}
.btn:hover{filter:brightness(1.07);box-shadow:0 30px 40px -25px rgba(139,94,52,.4)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg, var(--primary), var(--deep));border-color:transparent}
.btn-ghost{background:transparent}
.btn-small{padding:.55rem .85rem;font-weight:800}
.grid{display:grid;gap:20px}
.grid-4{grid-template-columns:repeat(4, minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3, minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2, minmax(0,1fr))}
.card{background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .14s ease, box-shadow .18s ease, border-color .18s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 40px 60px -35px rgba(212,163,115,.35);border-color:rgba(212,163,115,.35)}
.card h3{margin:.25rem 0 .55rem;font-size:1.18rem;color:#fff}
.card .meta{color:var(--ink-500);font-size:.95rem}
.badge{display:inline-block;padding:.35rem .6rem;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--ink-300);font-weight:800;font-size:.78rem}
.hero{position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.hero h1{font-family:'Bricolage Grotesque',system-ui,sans-serif;font-weight:900;letter-spacing:.2px;font-size:clamp(2rem,3.6vw,3rem);margin:.2rem 0 .6rem}
.hero p{color:var(--ink-300);font-size:1.06rem}
.hero-figure{background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.hero-blob{position:absolute;inset:-10% -10% auto auto;width:60vw;height:60vh;background:
  radial-gradient(closest-side, rgba(139,94,52,.25), transparent 70%),
  radial-gradient(closest-side, rgba(156,163,175,.2), transparent 70%),
  radial-gradient(closest-side, rgba(212,163,115,.18), transparent 70%);
  filter:blur(30px) saturate(120%);animation:float 16s ease-in-out infinite alternate;pointer-events:none}
@keyframes float{from{transform:translateY(-8px)}to{transform:translateY(8px)}}
.faq{border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.03)}
.faq-item{border-top:1px solid var(--line)}.faq-item:first-child{border-top:none}
.faq-q{margin:0;font-weight:900}
.faq-btn{all:unset;display:flex;justify-content:space-between;align-items:center;cursor:pointer;padding:14px 16px;color:#fff}
.faq-a{display:none;padding:0 16px 16px 16px;color:var(--ink-300)}
.reveal{opacity:0;transform:translateY(10px);transition:opacity .6s ease, transform .6s ease}
.reveal.show{opacity:1;transform:none}
input.search{width:100%;padding:1rem;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:#fff;outline:none}
footer{border-top:1px solid var(--line);padding:40px 0;background:rgba(255,255,255,.02);color:var(--ink-500)}
@media (max-width:1024px){.hero .wrap{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:720px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.nav .hide-sm{display:none}}
#backTop{position:fixed;right:16px;bottom:16px;z-index:50;display:none}
.notice{background:rgba(212,163,115,.10);border:1px solid rgba(212,163,115,.35);border-left:6px solid var(--warm);border-radius:14px;padding:16px 18px}