/* 聚魂谷 juhungu.com — 墨底金纹 */
:root{
  --ink:#0b0a08;
  --ink-2:#12100c;
  --ink-3:#191510;
  --line:rgba(201,162,39,.18);
  --line-2:rgba(255,255,255,.08);
  --gold:#c9a227;
  --gold-2:#e6c665;
  --text:#e9e3d6;
  --muted:#a79e8c;
  --serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --wrap:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ink);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,10,8,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-2)}
.header-in{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:flex;align-items:center;gap:12px}
.mark{width:38px;height:38px;color:var(--gold);flex:0 0 auto}
.logo-text{font-family:var(--serif);font-size:20px;letter-spacing:.14em;font-weight:700;display:flex;flex-direction:column;line-height:1.1}
.logo-text small{font-family:var(--sans);font-size:9px;letter-spacing:.28em;color:var(--muted);font-weight:400;margin-top:3px}
.nav{display:flex;gap:26px;margin-left:auto;font-size:14.5px;color:var(--muted)}
.nav a{position:relative;padding:6px 0;transition:color .2s}
.nav a:hover{color:var(--gold-2)}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--gold);transition:right .25s}
.nav a:hover::after{right:0}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:2px;padding:11px 22px;font-size:14px;letter-spacing:.08em;border:1px solid var(--line);transition:.22s;white-space:nowrap}
.btn-solid{background:linear-gradient(135deg,var(--gold),#9c7c15);color:#181205;border-color:transparent;font-weight:600}
.btn-solid:hover{filter:brightness(1.12);transform:translateY(-1px)}
.btn-ghost{border-color:rgba(201,162,39,.5);color:var(--gold-2)}
.btn-ghost:hover{background:rgba(201,162,39,.1)}
.btn-lg{padding:14px 30px;font-size:15px}
.burger{display:none;margin-left:auto;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:22px;height:2px;background:var(--text);margin:4px 0;transition:.2s}

/* hero */
.hero{position:relative;overflow:hidden;padding:96px 0 84px;border-bottom:1px solid var(--line-2)}
.hero-glow{position:absolute;inset:-30% 20% auto;height:620px;background:radial-gradient(closest-side,rgba(201,162,39,.16),transparent 70%);pointer-events:none}
.hero-in{position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:.2em;color:var(--gold-2);border:1px solid var(--line);padding:7px 14px;border-radius:100px;background:rgba(201,162,39,.05)}
.dot{width:5px;height:5px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px var(--gold)}
h1{font-family:var(--serif);font-size:clamp(38px,6.2vw,72px);line-height:1.22;letter-spacing:.06em;margin:26px 0 0;font-weight:700}
h1 em{font-style:normal;color:var(--gold-2);position:relative}
.lead{margin:24px 0 0;font-size:clamp(15px,1.6vw,18px);color:var(--muted);max-width:660px}
.hero-cta{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.hero-stats{display:flex;gap:56px;margin:56px 0 0;padding-top:28px;border-top:1px solid var(--line-2);flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column-reverse;gap:4px}
.hero-stats dt{font-size:12.5px;color:var(--muted);letter-spacing:.12em;margin:0}
.hero-stats dd{margin:0;font-family:var(--serif);font-size:26px;color:var(--gold-2)}

/* sections */
.sec{padding:88px 0}
.sec-alt{background:var(--ink-2);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.sec-head{max-width:760px;margin-bottom:44px}
.kicker{font-size:12px;letter-spacing:.28em;color:var(--gold);text-transform:uppercase}
h2{font-family:var(--serif);font-size:clamp(26px,3.6vw,40px);line-height:1.45;letter-spacing:.04em;margin:16px 0 0;font-weight:700}
h3{font-family:var(--serif);font-size:19px;margin:0 0 10px;letter-spacing:.05em}

/* creed cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:20px}
.card{position:relative;background:var(--ink-3);border:1px solid var(--line-2);padding:30px 26px 28px;transition:.25s}
.card:hover{border-color:var(--line);transform:translateY(-3px)}
.card .num{font-family:var(--serif);font-size:13px;color:var(--gold);letter-spacing:.2em}
.card h3{margin-top:14px;color:var(--gold-2)}
.card p{margin:0;color:var(--muted);font-size:14.5px}

/* valley */
.valley-in{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}
.valley-text p{color:var(--muted);margin:18px 0 0}
.valley-text em{font-style:normal;color:var(--gold-2)}
.ticks{list-style:none;margin:26px 0 0;padding:0}
.ticks li{position:relative;padding-left:24px;margin:12px 0;color:var(--text);font-size:14.5px}
.ticks li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:10px;border:1px solid var(--gold);transform:rotate(45deg)}
.quote{border-left:2px solid var(--gold);padding:6px 0 6px 26px;margin:0}
.quote p{font-family:var(--serif);font-size:19px;line-height:2;color:var(--text);margin:0}
.quote footer{margin-top:18px;font-size:12.5px;letter-spacing:.16em;color:var(--muted)}

/* pieces */
.pieces{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.piece{background:var(--ink-2);border:1px solid var(--line-2);padding:30px 26px;transition:.25s}
.piece-on{border-color:rgba(201,162,39,.45);background:linear-gradient(180deg,rgba(201,162,39,.08),rgba(201,162,39,.02))}
.piece:hover{transform:translateY(-3px)}
.badge{display:inline-block;font-size:11.5px;letter-spacing:.18em;color:var(--muted);border:1px solid var(--line-2);padding:3px 10px;border-radius:100px}
.badge-gold{color:#181205;background:var(--gold);border-color:transparent;font-weight:700}
.piece h3{margin:16px 0 4px}
.piece .host{font-size:12.5px;letter-spacing:.16em;color:var(--gold-2);margin:0 0 12px}
.piece p:last-child{margin:0;color:var(--muted);font-size:14.5px}

/* one */
.one-in{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.one-in p{color:var(--muted)}
.one-in em{font-style:normal;color:var(--gold-2)}
.ladder{border-left:1px solid var(--line);padding-left:0}
.step{display:flex;gap:18px;padding:16px 0 16px 22px;border-bottom:1px solid var(--line-2)}
.step:last-child{border-bottom:0}
.step b{font-family:var(--serif);color:var(--gold);font-size:13px;letter-spacing:.1em;padding-top:3px}
.step span{color:var(--text);font-size:14.5px}

/* cta */
.cta-sec{text-align:center;background:radial-gradient(ellipse at 50% 0%,rgba(201,162,39,.12),transparent 65%)}
.cta-in h2{margin-top:20px}
.cta-in h2 em{font-style:normal;color:var(--gold-2)}
.cta-in p{color:var(--muted);margin:22px auto 0;max-width:640px}
.cta-row{display:flex;gap:14px;justify-content:center;margin-top:34px;flex-wrap:wrap}
.fine{margin-top:26px;font-size:12.5px;letter-spacing:.2em;color:#7d7566}

/* footer */
.site-footer{border-top:1px solid var(--line-2);background:var(--ink-2);padding:56px 0 26px}
.footer-in{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.f-brand p{margin:14px 0 0;color:var(--muted);font-size:13.5px;letter-spacing:.06em}
.f-links{display:flex;gap:22px;flex-wrap:wrap;font-size:14px;color:var(--muted);align-items:flex-start}
.f-links a:hover{color:var(--gold-2)}
.f-bottom{display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line-2);font-size:12.5px;color:#7d7566;flex-wrap:wrap;letter-spacing:.08em}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media (max-width:900px){
  .valley-in,.one-in{grid-template-columns:1fr;gap:34px}
  .hero{padding:72px 0 60px}
  .hero-stats{gap:34px}
}
@media (max-width:760px){
  .nav{position:fixed;inset:72px 0 auto;background:var(--ink-2);border-bottom:1px solid var(--line-2);
    display:none;flex-direction:column;gap:0;padding:8px 24px 20px}
  .nav.open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line-2);font-size:15px}
  .header-in .btn-solid{display:none}
  .burger{display:block}
  .sec{padding:64px 0}
}