:root{
  --bg:#f7f5f0;
  --card:#fffefa;
  --text:#141412;
  --muted:#706d66;
  --line:rgba(20,20,18,.10);
  --soft:rgba(255,255,255,.68);
  --accent:#1d2b22;
  --accent-2:#c8a46a;
  --shadow:0 24px 70px rgba(32,28,20,.08);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 20% 0%,rgba(200,164,106,.18),transparent 28%),var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(1160px,calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,240,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 0 12px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.03em}
.brand img{border-radius:14px;box-shadow:0 10px 26px rgba(29,43,34,.12)}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.main-nav a{font-size:15px;color:var(--muted);padding:9px 14px;border-radius:999px;transition:.24s ease}
.main-nav a:hover{color:var(--text);background:rgba(255,255,255,.72);box-shadow:0 10px 28px rgba(20,20,18,.06);transform:translateY(-1px)}
.search-wrap{padding:0 0 16px}
.search-box{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:999px;padding:8px;box-shadow:0 18px 50px rgba(20,20,18,.05)}
.search-box input{width:100%;border:0;background:transparent;padding:12px 18px;font-size:15px;outline:none;color:var(--text)}
.search-box button,.btn{border:0;border-radius:999px;padding:12px 20px;font-weight:700;cursor:pointer;transition:.25s ease;display:inline-flex;align-items:center;justify-content:center}
.search-box button,.btn.primary{background:var(--accent);color:#fff}
.btn.secondary{background:#fff;color:var(--accent);border:1px solid var(--line)}
.search-box button:hover,.btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(29,43,34,.12)}
.search-hint{grid-column:1/-1;margin:0 16px 4px;color:var(--muted);font-size:13px;display:none}.search-hint.show{display:block}
.hero{padding:92px 0 72px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) 380px;gap:40px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent-2);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
h1,h2,h3{line-height:1.16;margin:0;color:var(--text)}
h1{font-size:clamp(42px,6vw,78px);letter-spacing:-.06em;max-width:900px}h2{font-size:clamp(28px,3.5vw,46px);letter-spacing:-.04em}h3{font-size:20px;letter-spacing:-.02em}
p{color:var(--muted);margin:0}.hero-lead{font-size:18px;margin:24px 0 30px;max-width:720px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-panel{background:linear-gradient(145deg,rgba(255,255,255,.92),rgba(255,255,255,.55));border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.hero-panel h2{font-size:24px;margin-bottom:22px}.hero-panel dl{display:grid;gap:14px;margin:0}.hero-panel div{display:flex;align-items:end;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px}.hero-panel dt{color:var(--muted)}.hero-panel dd{margin:0;font-size:30px;font-weight:900;letter-spacing:-.04em}
.section{padding:82px 0}.alt-section{background:rgba(255,255,255,.42);border-block:1px solid var(--line)}.section-head{text-align:center;max-width:740px;margin:0 auto 34px}.section-head.left{text-align:left;margin-left:0}.section-head p{margin-top:14px}.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:start}.split p{font-size:18px}
.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.video-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr))}
.video-card,.board-card,.review-card,.mini-card,.rank-item,.thread-list article,.activity-grid article,.timeline article,.profile-grid article{background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 18px 50px rgba(20,20,18,.05);transition:.28s ease;overflow:hidden}
.video-card:hover,.board-card:hover,.review-card:hover,.mini-card:hover,.rank-item:hover,.thread-list article:hover,.activity-grid article:hover,.timeline article:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.video-card figure{margin:0}.video-frame{position:relative;aspect-ratio:16/10;background:#e8e2d4;overflow:hidden}.video-frame img,.video-preview{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.video-preview{z-index:1;opacity:0}.video-frame img{z-index:2;transition:.35s ease}.video-card:hover .video-frame img{transform:scale(1.04);filter:saturate(1.05) contrast(1.02)}.play-dot{position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-50%) scale(.88);width:66px;height:66px;border-radius:50%;display:grid;place-items:center;background:rgba(20,20,18,.72);color:#fff;opacity:0;transition:.25s ease;box-shadow:0 20px 44px rgba(20,20,18,.20)}.video-card:hover .play-dot,.video-frame.is-active .play-dot{opacity:1;transform:translate(-50%,-50%) scale(1)}figcaption{font-size:12px;color:var(--muted);padding:10px 16px;border-bottom:1px solid var(--line)}.card-body{padding:18px}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.tags span{font-size:12px;color:var(--accent);background:rgba(200,164,106,.16);border:1px solid rgba(200,164,106,.24);border-radius:999px;padding:5px 9px}.card-body p{margin:12px 0 18px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0}.metrics div{background:rgba(247,245,240,.9);border-radius:18px;padding:10px}.metrics dt{font-size:12px;color:var(--muted)}.metrics dd{margin:0;font-weight:900;color:var(--text)}
.board-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.board-card{padding:26px}.board-icon{width:48px;height:48px;border-radius:18px;background:#f4efe3;display:grid;place-items:center;font-size:24px;color:var(--accent);margin-bottom:18px}.board-card p{margin:12px 0 20px}.board-card strong{font-size:14px;color:var(--accent)}
.stats-section{background:var(--accent);color:#fff}.stats-section h2,.stats-section p{color:#fff}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stats-grid div{border:1px solid rgba(255,255,255,.16);border-radius:24px;padding:26px;background:rgba(255,255,255,.06)}.stats-grid strong{display:block;font-size:36px;letter-spacing:-.05em}.stats-grid span{color:rgba(255,255,255,.72)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:24px}.review-card p{font-size:15px;margin-bottom:18px}.review-card strong{display:block}.review-card span{color:var(--muted);font-size:13px}.narrow{max-width:850px}.faq-list{display:grid;gap:12px}details{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 20px;box-shadow:0 12px 34px rgba(20,20,18,.04)}summary{cursor:pointer;font-weight:800;color:var(--text)}details p{margin-top:12px}.join-card{display:grid;grid-template-columns:1fr 420px;gap:32px;align-items:center;background:linear-gradient(135deg,rgba(255,255,255,.88),rgba(255,255,255,.52));border:1px solid var(--line);border-radius:36px;padding:40px;box-shadow:var(--shadow)}.join-form{display:grid;gap:12px}.join-form label{display:grid;gap:6px;font-weight:700}.join-form input{border:1px solid var(--line);border-radius:18px;padding:12px 14px;background:#fff;font-size:15px}.join-form p{font-size:13px}
.sub-hero{padding:82px 0 60px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.64),transparent)}.sub-hero p{font-size:18px;max-width:760px;margin-top:18px}.mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.mini-card{padding:22px}.mini-card p{margin:12px 0}.mini-card small{color:var(--accent-2);font-weight:700}.rank-list,.thread-list,.timeline,.activity-grid{display:grid;gap:14px}.rank-item{display:grid;grid-template-columns:70px 1fr auto;gap:18px;align-items:center;padding:22px}.rank-item>span{font-size:26px;font-weight:900;color:var(--accent-2)}.thread-list article,.activity-grid article,.timeline article{padding:24px}.profile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.profile-grid article{padding:26px;text-align:center}.profile-grid strong{display:block;font-size:42px}.soft-note{margin-top:18px}.rule-list{display:grid;gap:14px;padding-left:20px}.rule-list li{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;color:var(--muted)}.timeline article span,.activity-grid article span{display:inline-flex;color:var(--accent-2);font-weight:900;margin-bottom:10px}
.site-footer{padding:62px 0 24px;background:#121611;color:#fff}.site-footer p,.site-footer a,.footer-bottom{color:rgba(255,255,255,.68)}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:36px}.footer-grid h2{font-size:16px;color:#fff;margin-bottom:14px}.footer-grid a{display:block;margin:8px 0}.footer-brand{color:#fff;margin-bottom:16px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;font-size:14px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media (max-width: 960px){.hero-grid,.split,.join-card,.footer-grid{grid-template-columns:1fr}.video-grid,.video-grid.compact,.board-grid,.review-grid{grid-template-columns:repeat(2,1fr)}.stats-grid,.mini-grid{grid-template-columns:repeat(2,1fr)}h1{font-size:44px}.main-nav{justify-content:flex-start}.nav-shell{align-items:flex-start;flex-direction:column}}
@media (max-width: 640px){.wrap{width:min(100% - 28px,1160px)}.hero,.section,.sub-hero{padding:56px 0}.video-grid,.video-grid.compact,.board-grid,.review-grid,.stats-grid,.mini-grid,.profile-grid{grid-template-columns:1fr}.search-box{grid-template-columns:1fr;border-radius:24px}.search-box button{width:100%}.hero-panel,.join-card{padding:24px}.rank-item{grid-template-columns:1fr}.footer-bottom{flex-direction:column}h1{font-size:36px}.main-nav a{padding:8px 10px}}