/* Template21: Neo Brutalism — 粗野主义 · 橙黑冲击 */
:root {
  --primary: #FF6B35;
  --secondary: #FF9F1C;
  --bg: #f5f0e8;
  --bg-alt: #ffe8d6;
  --surface: #ffffff;
  --text: #1a1a1a;
  --text-muted: #555555;
  --border: #1a1a1a;
  --border-w: 3px;
  --shadow: 6px 6px 0 #1a1a1a;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { background:var(--bg); color:var(--text); font-family:'Inter','Segoe UI',system-ui,sans-serif; line-height:1.55; overflow-x:hidden; }
a { color:inherit; text-decoration:none; transition:all .2s; }
.container { max-width:1140px; margin:0 auto; padding:0 1.5rem; }

/* Utility Header */
.util-header { background:var(--primary); color:#fff; font-size:.8rem; font-weight:700; text-align:center; padding:.45rem 0; letter-spacing:.05em; text-transform:uppercase; }
.main-header { background:var(--surface); border-bottom:var(--border-w) solid var(--border); padding:.9rem 0; position:sticky; top:0; z-index:100; }
.main-header .container { display:flex; align-items:center; justify-content:space-between; }
.logo-bold { font-size:1.6rem; font-weight:900; letter-spacing:-.03em; }
.logo-bold span { color:var(--primary); }
.nav-brutal { display:flex; gap:1.8rem; list-style:none; }
.nav-brutal a { font-weight:700; font-size:.9rem; text-transform:uppercase; letter-spacing:.06em; }
.nav-brutal a:hover,.nav-brutal a.active { color:var(--primary); }
.btn-brutal { display:inline-flex; align-items:center; gap:.5rem; background:var(--primary); color:#fff; font-weight:800; padding:.6rem 1.4rem; border:var(--border-w) solid var(--border); box-shadow:var(--shadow); transition:all .15s; }
.btn-brutal:hover { transform:translate(3px,3px); box-shadow:3px 3px 0 #1a1a1a; }
.btn-outline-b { background:transparent; color:var(--text); border:var(--border-w) solid var(--border); font-weight:700; padding:.6rem 1.4rem; box-shadow:var(--shadow); display:inline-flex; align-items:center; gap:.5rem; transition:all .15s; }
.btn-outline-b:hover { background:var(--bg-alt); transform:translate(3px,3px); box-shadow:3px 3px 0 #1a1a1a; }

/* Typography Only Hero */
.hero-typo { padding:7rem 0 4rem; text-align:center; border-bottom:var(--border-w) solid var(--border); }
.hero-tag { display:inline-block; background:#1a1a1a; color:var(--primary); font-weight:800; font-size:.8rem; text-transform:uppercase; padding:.35rem 1rem; margin-bottom:1.5rem; letter-spacing:.08em; }
.hero-typo h1 { font-size:clamp(3rem,7vw,5.5rem); line-height:1.05; font-weight:900; letter-spacing:-.04em; margin-bottom:1.2rem; }
.hero-typo h1 .accent { color:var(--primary); }
.hero-typo .hero-sub { font-size:1.15rem; color:var(--text-muted); max-width:640px; margin:0 auto 2.5rem; line-height:1.7; }
.hero-actions { display:flex; gap:1.25rem; justify-content:center; flex-wrap:wrap; }

/* Sections */
.section-b { padding:4rem 0; }
.section-b.alt { background:var(--bg-alt); border-top:var(--border-w) solid var(--border); border-bottom:var(--border-w) solid var(--border); }
.sec-title { font-size:2.2rem; font-weight:900; letter-spacing:-.03em; margin-bottom:.6rem; }
.sec-desc { color:var(--text-muted); font-size:1rem; margin-bottom:2.5rem; }
.sec-center { text-align:center; }

/* Asymmetric Grid Features */
.asym-grid { display:grid; grid-template-columns:1.4fr .6fr; gap:1.5rem; }
.asym-grid .card-b:first-child { grid-row:span 2; }
.card-b { background:var(--surface); border:var(--border-w) solid var(--border); box-shadow:var(--shadow); padding:2rem; transition:all .15s; }
.card-b:hover { transform:translate(3px,3px); box-shadow:3px 3px 0 #1a1a1a; }
.card-b .card-num { font-size:3rem; font-weight:900; color:var(--primary); line-height:1; margin-bottom:.8rem; }
.card-b h3 { font-size:1.3rem; font-weight:800; margin-bottom:.5rem; }
.card-b p { color:var(--text-muted); font-size:.92rem; }

/* Download Boxes */
.dl-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; }
.dl-box { background:var(--surface); border:var(--border-w) solid var(--border); box-shadow:var(--shadow); padding:2rem; text-align:center; }
.dl-box i { font-size:2.8rem; color:var(--primary); margin-bottom:1rem; display:block; }
.dl-box h4 { font-size:1.2rem; font-weight:800; margin-bottom:.4rem; }
.dl-box p { color:var(--text-muted); font-size:.85rem; margin-bottom:1.5rem; }

/* Club Cards */
.club-stack { display:flex; flex-direction:column; gap:1rem; max-width:750px; margin:0 auto; }
.club-row { display:flex; gap:1rem; align-items:center; background:var(--surface); border:var(--border-w) solid var(--border); box-shadow:var(--shadow); padding:1.2rem 1.5rem; }
.club-avatar-b { width:48px; height:48px; background:var(--primary); color:#fff; font-weight:900; font-size:1.3rem; display:flex; align-items:center; justify-content:center; flex-shrink:0; border:2px solid var(--border); }
.club-row h4 { font-size:1.1rem; font-weight:800; }
.club-row span { font-size:.82rem; color:var(--text-muted); }

/* Numbered FAQ */
.faq-numbered { max-width:750px; margin:0 auto; display:flex; flex-direction:column; gap:1.25rem; }
.faq-n-item { display:flex; gap:1.25rem; align-items:flex-start; }
.faq-n-num { font-size:2.5rem; font-weight:900; color:var(--primary); line-height:1; flex-shrink:0; width:50px; }
.faq-n-content h4 { font-size:1.1rem; font-weight:800; margin-bottom:.35rem; cursor:pointer; }
.faq-n-content h4:hover { color:var(--primary); }
.faq-n-content p { color:var(--text-muted); font-size:.92rem; display:none; }
.faq-n-item.active .faq-n-content p { display:block; }

/* Full-Width CTA Block */
.cta-block { background:var(--primary); color:#fff; text-align:center; padding:3.5rem 2rem; border-top:var(--border-w) solid var(--border); border-bottom:var(--border-w) solid var(--border); }
.cta-block h2 { font-size:2.4rem; font-weight:900; margin-bottom:.8rem; }
.cta-block p { font-size:1rem; margin-bottom:2rem; opacity:.9; }
.btn-white { background:#fff; color:var(--text); border:var(--border-w) solid var(--border); font-weight:800; padding:.7rem 1.8rem; box-shadow:var(--shadow); display:inline-flex; align-items:center; gap:.5rem; transition:all .15s; }
.btn-white:hover { transform:translate(3px,3px); box-shadow:3px 3px 0 var(--border); }

/* Compact Footer */
.footer-compact { background:#1a1a1a; color:#ccc; text-align:center; padding:2rem 1rem; font-size:.85rem; }
.footer-compact a { color:var(--primary); }
.footer-compact .ft-links { display:flex; justify-content:center; gap:1.5rem; margin-bottom:1rem; flex-wrap:wrap; }
.footer-compact .ft-links a { color:#aaa; font-weight:600; }
.footer-compact .ft-links a:hover { color:var(--primary); }

/* Breadcrumb */
.breadcrumb { font-size:.88rem; color:var(--text-muted); margin-bottom:1.5rem; }
.breadcrumb a { color:var(--primary); font-weight:600; }
.subpage-main { padding:7rem 0 4rem; }
.subpage-box { background:var(--surface); border:var(--border-w) solid var(--border); box-shadow:var(--shadow); padding:2.5rem; }
.subpage-box h1 { font-size:2rem; font-weight:900; margin-bottom:1.2rem; }
.subpage-box p,.subpage-box li { color:var(--text-muted); line-height:1.8; }

@media (max-width:768px) {
  .nav-brutal { display:none; }
  .asym-grid { grid-template-columns:1fr; }
  .asym-grid .card-b:first-child { grid-row:auto; }
  .dl-grid { grid-template-columns:1fr; }
  .hero-typo h1 { font-size:2.8rem; }
}