:root{
  --bg:#f7f5ef;
  --surface:#ffffff;
  --surface-soft:#fbfaf7;
  --ink:#151a23;
  --muted:#687180;
  --line:#e7e1d7;
  --brand:#1f2630;
  --accent:#b99d72;
  --accent-soft:#eee4d4;
  --radius:28px;
  --shadow:0 24px 70px rgba(21,26,35,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button,input,textarea{font:inherit}
.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:12px;background:#111;color:#fff;padding:10px 14px;border-radius:999px;z-index:99}.skip-link:focus{left:12px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,239,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(231,225,215,.72)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 0}
.brand-mark{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.04em}.brand-mark img{width:88px;height:auto}.brand-name{font-size:22px}.brand-note{display:block;font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.04em}
.primary-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.primary-nav a{padding:10px 14px;border:1px solid transparent;border-radius:999px;color:#323946;font-weight:650;font-size:14px}.primary-nav a:hover,.primary-nav a[aria-current="page"]{border-color:var(--line);background:#fff;box-shadow:0 8px 24px rgba(21,26,35,.05)}
.search-wrap{padding:0 0 18px}.search-box{display:flex;gap:10px;align-items:center;background:rgba(255,255,255,.76);border:1px solid var(--line);border-radius:999px;padding:8px;box-shadow:0 10px 40px rgba(21,26,35,.04)}.search-box input{flex:1;min-width:0;border:0;background:transparent;padding:10px 16px;outline:0;color:var(--ink)}.search-box button,.btn{border:0;border-radius:999px;padding:12px 18px;background:var(--brand);color:#fff;font-weight:750;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease}.search-box button:hover,.btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(21,26,35,.14)}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}
.notice{display:none;margin-top:10px;color:#7a5b2e;background:#fff8ea;border:1px solid #ead9b8;padding:10px 16px;border-radius:18px;font-size:14px}.notice.show{display:block}
.hero{padding:86px 0 48px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(320px,.78fr);gap:42px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#8a6d43;background:var(--accent-soft);border:1px solid #e0d2bd;border-radius:999px;padding:7px 13px;font-size:13px;font-weight:750}.hero h1{font-size:clamp(40px,6vw,76px);line-height:1.05;letter-spacing:-.07em;margin:22px 0 20px}.lead{font-size:clamp(17px,2vw,21px);color:#4f5866;max-width:720px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:32px 0}.domain-pill{display:inline-flex;gap:8px;align-items:center;color:var(--muted);font-size:14px;border:1px solid var(--line);border-radius:999px;padding:10px 14px;background:rgba(255,255,255,.72)}
.hero-card,.content-card,.video-card,.quote-card,.faq-list,.join-card,.stat-card,.category-card{background:rgba(255,255,255,.82);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}.hero-card{padding:12px}.hero-card figure{margin:0;position:relative;overflow:hidden;border-radius:22px}.hero-card img{aspect-ratio:4/3;object-fit:cover;border-radius:22px}.hero-card figcaption{padding:16px;color:var(--muted);font-size:14px}.play-badge,.play-button{position:absolute;display:grid;place-items:center;border-radius:999px;background:rgba(255,255,255,.9);color:var(--brand);box-shadow:0 20px 48px rgba(21,26,35,.18)}.play-badge{right:18px;bottom:62px;width:76px;height:76px}.play-badge:before,.play-button:before{content:"";width:0;height:0;border-top:11px solid transparent;border-bottom:11px solid transparent;border-left:16px solid var(--brand);margin-left:4px}
.section{padding:58px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:26px}.section h2{font-size:clamp(28px,4vw,46px);line-height:1.12;letter-spacing:-.05em;margin:0}.section-desc{color:var(--muted);max-width:650px;margin:12px 0 0}.content-card{padding:34px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}.content-card h3,.category-card h3,.video-card h3,.quote-card h3{margin:0 0 10px;line-height:1.25;letter-spacing:-.025em}.muted{color:var(--muted)}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.video-card{overflow:hidden;transition:transform .24s ease,box-shadow .24s ease}.video-card:hover{transform:translateY(-6px);box-shadow:0 32px 84px rgba(21,26,35,.12)}.video-thumb{position:relative;overflow:hidden;background:#eee}.video-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .28s ease}.video-card:hover img{transform:scale(1.035)}.play-button{left:50%;top:50%;width:68px;height:68px;transform:translate(-50%,-50%) scale(.9);opacity:0;transition:opacity .2s ease,transform .2s ease;border:0}.video-card:hover .play-button,.video-card:focus-within .play-button{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-body{padding:22px}.tags{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.tag{font-size:12px;font-weight:700;color:#6e5c3f;background:#f0e7d9;border:1px solid #e4d6c3;border-radius:999px;padding:5px 9px}.metrics{display:flex;gap:14px;flex-wrap:wrap;color:#626b78;font-size:13px;border-top:1px solid var(--line);padding-top:14px;margin-top:16px}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.category-card{padding:24px;transition:transform .22s ease}.category-card:hover{transform:translateY(-4px)}.category-card span{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--accent-soft);color:#7b6036;margin-bottom:18px;font-weight:800}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stat-card{padding:26px;text-align:center}.stat-num{font-size:38px;font-weight:850;letter-spacing:-.045em}.stat-label{color:var(--muted);font-size:14px}.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.quote-card{padding:24px}.quote-card p{margin:0 0 18px}.quote-card strong{display:block}.quote-card small{color:var(--muted)}
.faq-list{padding:16px}.faq-list details{border-bottom:1px solid var(--line);padding:16px 8px}.faq-list details:last-child{border-bottom:0}.faq-list summary{cursor:pointer;font-weight:800;letter-spacing:-.02em}.faq-list p{color:var(--muted);margin:12px 0 0}
.join-card{display:grid;grid-template-columns:1fr .92fr;gap:26px;padding:34px}.join-form{display:grid;gap:12px}.join-form input,.join-form textarea{border:1px solid var(--line);background:#fff;border-radius:18px;padding:14px 16px;outline:0}.join-form textarea{min-height:120px;resize:vertical}.page-hero{padding:60px 0 36px}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:16px}.page-hero h1{font-size:clamp(34px,5vw,60px);line-height:1.08;letter-spacing:-.06em;margin:0 0 18px}.simple-list{display:grid;gap:14px}.simple-list article{padding:22px;border:1px solid var(--line);border-radius:22px;background:#fff}.rules{counter-reset:item}.rules li{margin-bottom:12px;color:#4e5663}.share-row{display:flex;gap:10px;flex-wrap:wrap}.share-row button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;cursor:pointer}.site-footer{margin-top:60px;border-top:1px solid var(--line);background:#fffdf9}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:24px;padding:38px 0}.footer-links{display:grid;gap:10px}.footer-bottom{border-top:1px solid var(--line);padding:18px 0;color:var(--muted);font-size:14px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.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:900px){.header-inner{align-items:flex-start;flex-direction:column}.primary-nav{width:100%;overflow:auto;flex-wrap:nowrap;padding-bottom:4px}.hero{padding-top:48px}.hero-grid,.two-col,.join-card{grid-template-columns:1fr}.video-grid,.category-grid,.quote-grid,.stats,.footer-grid{grid-template-columns:1fr 1fr}.section-head{align-items:flex-start;flex-direction:column}.play-button{opacity:1}.search-box{border-radius:24px;align-items:stretch}.search-box button{padding-inline:14px}}
@media (max-width:560px){.container{width:min(100% - 24px,1160px)}.hero h1{font-size:38px}.video-grid,.category-grid,.quote-grid,.stats,.footer-grid{grid-template-columns:1fr}.content-card,.join-card{padding:24px}.search-box{display:grid;border-radius:22px}.search-box button{width:100%}.hero-actions{display:grid}.btn{text-align:center}.site-header{position:relative}.footer-bottom{display:grid}}