/* 观成 Guancheng — Shared Styles */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500&family=Noto+Sans+SC:wght@300;400;500&family=Noto+Serif+SC:wght@400;500;600;700;900&display=swap');

:root {
  --cream:#faf6ef; --cream-warm:#f5efe0;
  --ink:#2c2416; --ink-light:#5c5040; --ink-muted:#8a7e6e;
  --gold:#b8943d; --gold-deep:#8b6914; --gold-light:#d4b868; --wood:#6b4e3d;
  --dark-bg:#1e1a14; --card-bg:#fff; --border:rgba(0,0,0,0.05); --border-dark:rgba(255,255,255,0.05);
  --serif-cn:'Noto Serif SC',serif; --serif-en:'Cormorant Garamond',serif;
  --sans-cn:'Noto Sans SC',sans-serif; --sans-en:'Inter',sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--cream);color:var(--ink);font-family:var(--sans-cn);-webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.7}

/* Typography */
.serif-cn{font-family:var(--serif-cn)} .serif-en{font-family:var(--serif-en)} .sans-en{font-family:var(--sans-en)}

/* Nav */
nav{position:fixed;top:0;left:0;right:0;z-index:50;padding:16px 6vw;display:flex;align-items:center;justify-content:space-between;transition:all 0.4s}
nav.scrolled{background:rgba(250,246,239,0.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,0.05)}
.nav-link{color:rgba(44,36,22,0.5);font-family:var(--serif-en);font-size:11px;letter-spacing:3px;text-transform:uppercase;text-decoration:none;transition:color 0.3s}
.nav-link:hover,.nav-link.on{color:var(--gold)}
.nav-logo{font-family:var(--serif-cn);font-size:18px;font-weight:700;letter-spacing:4px;color:var(--ink);text-decoration:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:12px 30px;font-family:var(--serif-cn);font-size:14px;font-weight:500;letter-spacing:2px;border-radius:0;text-decoration:none;cursor:pointer;transition:all 0.3s}
.btn-dark{background:var(--ink);color:var(--cream);border:none}.btn-dark:hover{background:var(--gold);color:#fff}
.btn-line{background:transparent;color:var(--ink);border:1px solid var(--gold);position:relative}.btn-line::before{content:'';position:absolute;top:3px;left:3px;right:3px;bottom:3px;border:1px solid rgba(184,148,61,0.2);pointer-events:none;transition:border-color 0.3s}.btn-line:hover{background:var(--gold);color:#fff;border-color:var(--gold)}.btn-line:hover::before{border-color:rgba(255,255,255,0.3)}

/* Page header */
.page-header{padding:140px 24px 70px;text-align:center}
.page-label{font-family:var(--serif-en);font-size:10px;letter-spacing:5px;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.page-title{font-family:var(--serif-cn);font-size:clamp(2rem,5vw,3.5rem);font-weight:700;letter-spacing:4px}
.rule{width:40px;height:1px;background:var(--gold);margin:0 auto}

/* Cards */
.card{background:var(--card-bg);border:1px solid var(--border);padding:32px;transition:all 0.3s;position:relative}
.card::after{content:'';position:absolute;top:6px;left:6px;right:6px;bottom:6px;border:1px solid rgba(184,148,61,0.06);pointer-events:none;transition:border-color 0.3s}
.card:hover{border-color:rgba(184,148,61,0.2)}
.card:hover::after{border-color:rgba(184,148,61,0.15)}

/* Content */
.content{max-width:880px;margin:0 auto;padding:0 24px 80px}

/* Accordion */
.acc-trigger{display:flex;align-items:center;justify-content:space-between;width:100%;padding:12px 0;border:none;background:none;font-family:var(--serif-cn);font-size:14px;font-weight:600;color:var(--ink);letter-spacing:2px;cursor:pointer;border-bottom:1px solid var(--border);transition:color 0.3s}
.acc-trigger:hover{color:var(--gold)}.acc-icon{font-size:10px;transition:transform 0.3s;color:var(--gold)}
details[open]>.acc-trigger .acc-icon{transform:rotate(45deg)}.acc-content{padding:12px 0 4px}

/* Venue tags */
.tag{display:inline-block;padding:4px 12px;font-size:10px;letter-spacing:1px;border:1px solid var(--border);color:var(--ink-light);margin:2px}

/* Timeline */
.tl-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.tl-dot.g{background:var(--gold)}.tl-dot.w{background:var(--wood)}
.tl-line{width:1px;flex:1;margin-top:6px}.tl-line.g{background:rgba(184,148,61,0.12)}.tl-line.w{background:rgba(107,78,61,0.08)}

/* Quote */
.founder-quote{border-left:2px solid rgba(184,148,61,0.3);padding-left:22px}

/* Footer */
footer{padding:48px 6vw;text-align:center;background:var(--dark-bg);color:var(--cream);border-top:1px solid var(--border-dark)}
footer .ft{font-family:var(--serif-cn);font-size:16px;font-weight:700;letter-spacing:5px;margin-bottom:4px}
footer .fs{font-size:9px;letter-spacing:2px;font-family:var(--sans-en);color:rgba(250,246,239,0.25);margin-bottom:4px}
footer .fm{font-size:8px;color:rgba(250,246,239,0.15);font-family:var(--sans-en)}

/* Illustrations — remove white background */
.illust-img{max-width:100%;height:auto;display:block;mix-blend-mode:multiply;filter:brightness(1.02)}
*:has(> .illust-img){isolation:auto}
.reveal{opacity:0;transform:translateY(20px);transition:opacity 0.7s,transform 0.7s}
.reveal.on{opacity:1;transform:translateY(0)}

/* Dark sections */
.sec-dark{background:var(--dark-bg);color:var(--cream)}
.sec-dark .page-title,.sec-dark h2,.sec-dark h3{color:var(--cream)}
.sec-dark .card{background:rgba(255,255,255,0.03);border-color:var(--border-dark);color:rgba(250,246,239,0.65)}
.sec-dark .rule{background:var(--gold)}
.sec-dark .acc-trigger{color:var(--cream);border-bottom-color:var(--border-dark)}
.sec-dark .tag{background:rgba(255,255,255,0.03);border-color:var(--border-dark);color:rgba(250,246,239,0.45)}

/* Team grid */
.team-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:20px;max-width:1100px;margin:0 auto}
.team-card{display:block;text-decoration:none;text-align:center;transition:all 0.35s ease}
.team-card:hover{transform:translateY(-6px)}
.team-photo{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center 20%;border-radius:2px;box-shadow:0 4px 16px rgba(0,0,0,0.07);transition:all 0.35s}
.team-card:hover .team-photo{box-shadow:0 12px 32px rgba(0,0,0,0.12)}
.team-name{font-family:var(--serif-cn);font-size:16px;font-weight:600;color:var(--ink);letter-spacing:2px;margin-top:14px}
.team-role{font-size:11px;color:var(--ink-muted);letter-spacing:1px;margin-top:4px}
.sec-dark .team-name{color:var(--cream)}.sec-dark .team-role{color:rgba(250,246,239,0.5)}
.band-dark .team-name{color:var(--cream)}.band-dark .team-role{color:rgba(250,246,239,0.5)}

/* ── Mobile ── */
.mobile-nav-toggle{display:none!important;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:4px;z-index:100}
.mobile-nav-toggle span{display:block;width:22px;height:1.5px;background:var(--ink);transition:all 0.3s}
.mobile-menu{position:fixed;inset:0;z-index:99;background:rgba(18,18,16,0.96);backdrop-filter:blur(20px);display:none;flex-direction:column;align-items:center;justify-content:center;gap:28px}
.mobile-menu.open{display:flex}
.mobile-menu a{color:rgba(237,237,243,0.7);font-size:18px;letter-spacing:4px;text-decoration:none;font-family:'Noto Serif SC',serif;transition:color 0.2s}
.mobile-menu a:hover{color:var(--gold)}
.mobile-menu .btn{font-size:14px;margin-top:12px}
@media(max-width:768px){
  nav{padding:12px 5vw}
  .desktop-nav{display:none!important}
  .mobile-nav-toggle{display:flex!important}
  .page-header{padding:120px 24px 50px}
  .team-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:14px}
  .team-name{font-size:14px}.team-role{font-size:10px}
  .content{padding:0 16px 60px}
  .stagger-cards .card{margin-top:0!important}
  .asym-row{grid-template-columns:1fr;gap:24px}
  .side-note{margin-left:0;padding-left:16px}
  .hero-grid{grid-template-columns:1fr!important;text-align:center;min-height:auto!important;padding:120px 6vw 40px!important}
  .gp-wrap{transform:scale(0.7)}
  .pull-quote{font-size:1rem!important}
  .btn{padding:10px 20px;font-size:12px}
}
@media(max-width:480px){
  .team-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .team-photo{aspect-ratio:3/4}
  .sec{padding:50px 5vw}
  .hero-title{font-size:2.5rem!important}
  .page-title{font-size:1.6rem!important}
  .venue-item.wide{grid-column:span 1}
  .venue-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:8px}
  .gp-wrap{transform:scale(0.55)}
}