:root{
    --bg:#f7f5f0;
    --surface:#fffdfa;
    --surface-strong:#ffffff;
    --ink:#171717;
    --muted:#68645c;
    --line:rgba(23,23,23,.10);
    --soft:rgba(23,23,23,.05);
    --accent:#111111;
    --radius:28px;
    --shadow:0 24px 70px rgba(17,17,17,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 18% 0%,rgba(255,255,255,.96),transparent 36%),linear-gradient(180deg,#faf8f2 0%,var(--bg) 100%);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.7;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img,video{display:block;max-width:100%}
button,input{font:inherit}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.site-header{position:sticky;top:0;z-index:30;padding:18px clamp(18px,5vw,72px) 12px;background:rgba(247,245,240,.82);backdrop-filter:blur(22px);border-bottom:1px solid var(--line)}
.header-shell{display:flex;align-items:center;gap:24px;max-width:1180px;margin:0 auto}
.brand-logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.brand-logo span{display:grid;place-items:center;width:44px;height:44px;border-radius:16px;background:#111;color:#fff;font-size:18px;box-shadow:0 14px 28px rgba(0,0,0,.16)}
.brand-logo em{font-style:normal;color:#24211d;font-size:14px}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.main-nav a{padding:10px 14px;border-radius:999px;color:var(--muted);font-size:14px;transition:background .25s ease,color .25s ease,transform .25s ease}
.main-nav a:hover,.main-nav a.is-active{background:rgba(17,17,17,.08);color:var(--ink);transform:translateY(-1px)}
.header-cta,.primary-button,.ghost-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:999px;border:1px solid #111;background:#111;color:#fff;font-weight:700;box-shadow:0 14px 30px rgba(0,0,0,.10);transition:transform .25s ease,box-shadow .25s ease,background .25s ease}
.header-cta:hover,.primary-button:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(0,0,0,.16)}
.ghost-button{background:transparent;color:#111;box-shadow:none}
.search-shell{max-width:1180px;margin:16px auto 0}
.search-bar{display:flex;gap:10px;padding:8px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.7);box-shadow:0 12px 34px rgba(17,17,17,.04)}
.search-bar input{flex:1;border:0;background:transparent;outline:0;padding:12px 16px;color:var(--ink);min-width:0}
.search-bar button{border:0;border-radius:999px;background:#111;color:#fff;padding:10px 18px;cursor:pointer}
.search-result{margin:8px 16px 0;color:var(--muted);font-size:13px}
main{max-width:1180px;margin:0 auto;padding:0 clamp(18px,4vw,24px) 84px}
.hero-section{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:48px;align-items:center;min-height:620px;padding:96px 0 70px}
.eyebrow{margin:0 0 14px;color:#7e7568;font-size:13px;font-weight:800;letter-spacing:.18em;text-transform:uppercase}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(44px,7vw,88px);line-height:.98;letter-spacing:-.07em;margin-bottom:28px}
h2{font-size:clamp(30px,4vw,54px);line-height:1.05;letter-spacing:-.055em;margin-bottom:18px}
h3{font-size:22px;line-height:1.25;letter-spacing:-.03em;margin-bottom:12px}
.hero-copy p{max-width:680px;color:var(--muted);font-size:18px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-panel{position:relative;min-height:430px;border-radius:44px;background:linear-gradient(135deg,rgba(255,255,255,.84),rgba(234,230,220,.72));border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden}
.hero-panel:before{content:"";position:absolute;inset:36px;border:1px solid rgba(0,0,0,.06);border-radius:34px}.hero-panel:after{content:"17c";position:absolute;right:-18px;bottom:-36px;font-size:170px;font-weight:900;line-height:1;color:rgba(0,0,0,.05);letter-spacing:-.12em}
.floating-card{position:absolute;background:rgba(255,255,255,.82);border:1px solid rgba(0,0,0,.08);border-radius:28px;padding:24px;box-shadow:0 20px 48px rgba(0,0,0,.09);backdrop-filter:blur(14px)}
.floating-card span,.floating-card em{display:block;color:var(--muted);font-style:normal}.floating-card strong{display:block;font-size:56px;letter-spacing:-.08em}.main-card{left:38px;top:72px}.sub-card{right:34px;bottom:64px}.sub-card strong{font-size:44px}
.section{padding:80px 0}.section-heading{margin-bottom:34px;max-width:760px}.section-heading.centered{text-align:center;margin-left:auto;margin-right:auto}.section-heading.with-action{display:flex;justify-content:space-between;gap:24px;align-items:end;max-width:none}.section-heading p{color:var(--muted)}
.text-link{font-weight:800;border-bottom:1px solid #111;padding-bottom:4px;white-space:nowrap}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.video-card,.board-card,.review-card,.account-card{background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 14px 40px rgba(17,17,17,.05);overflow:hidden;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}.video-card:hover,.video-card.is-hovered,.board-card:hover,.review-card:hover{transform:translateY(-6px);box-shadow:0 28px 70px rgba(17,17,17,.10);border-color:rgba(17,17,17,.18)}
.video-figure{position:relative;margin:0;aspect-ratio:16/10;background:#e8e1d4;overflow:hidden}.video-figure video,.video-figure img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.02);transition:transform .35s ease}.video-card:hover video{transform:scale(1.035)}
.image-description{position:absolute;left:14px;right:14px;bottom:14px;padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.78);backdrop-filter:blur(12px);font-size:12px;color:#514d45;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.play-button{position:absolute;inset:auto 18px 18px auto;width:56px;height:56px;border:0;border-radius:50%;background:#111;opacity:0;transform:translateY(10px) scale(.94);transition:opacity .25s ease,transform .25s ease;cursor:pointer}.video-card:hover .play-button,.video-card.is-hovered .play-button{opacity:1;transform:translateY(0) scale(1)}.play-button span{display:block;margin-left:21px;width:0;height:0;border-top:10px solid transparent;border-bottom:10px solid transparent;border-left:15px solid #fff}
.video-body{padding:22px}.card-kicker{color:#81786b;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}.video-body p{color:var(--muted)}.video-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.video-meta span{padding:6px 10px;border-radius:999px;background:rgba(17,17,17,.06);font-size:12px;color:#4e4940}
.board-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.board-card{padding:26px}.board-card span{display:inline-flex;margin-bottom:18px;padding:6px 10px;border-radius:999px;background:#111;color:#fff;font-size:12px}.board-card p,.review-card p{color:var(--muted)}.board-card strong{display:block;margin-top:22px;font-size:18px}
.stats-section{margin:60px 0;padding:48px;border-radius:42px;background:#111;color:#fff;display:grid;grid-template-columns:.8fr 1.2fr;gap:34px;align-items:center}.stats-section .eyebrow{color:#b8b0a6}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stats-grid div{padding:22px;border-radius:24px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}.stats-grid strong{display:block;font-size:34px;letter-spacing:-.06em}.stats-grid span{color:#d8d2ca;font-size:13px}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:26px}.review-card div{display:flex;flex-direction:column;gap:2px;margin-top:20px}.review-card strong{font-size:15px}.review-card span{font-size:13px;color:var(--muted)}
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}.faq-list details{border:1px solid var(--line);background:rgba(255,255,255,.78);border-radius:22px;padding:18px 22px}.faq-list summary{cursor:pointer;font-weight:800}.faq-list p{margin:12px 0 0;color:var(--muted)}
.share-panel,.join-band{border-radius:42px;background:linear-gradient(135deg,#fff,#eee8dc);border:1px solid var(--line);padding:48px}.share-buttons{display:flex;flex-wrap:wrap;gap:12px}.share-button{border:1px solid #111;border-radius:999px;background:transparent;padding:10px 16px;cursor:pointer;font-weight:800}.share-button:hover{background:#111;color:#fff}.join-band{text-align:center;margin-top:50px}.join-band p{color:var(--muted)}
.site-footer{margin-top:80px;padding:56px clamp(18px,5vw,72px) 28px;background:#111;color:#fff}.footer-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:.9fr 1.1fr;gap:40px}.footer-logo span{background:#fff;color:#111}.footer-logo em{color:#fff}.site-footer p{color:#d0ccc5;max-width:520px}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.footer-links a{padding:12px 0;color:#f2eee7;border-bottom:1px solid rgba(255,255,255,.12)}.footer-bottom{max-width:1180px;margin:34px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.12)}.update-date{font-weight:800;color:#fff!important}
.page-hero{padding:78px 0 54px;text-align:center;max-width:880px;margin:0 auto}.page-hero h1{font-size:clamp(40px,6vw,76px)}.page-hero p{color:var(--muted);font-size:18px}.domain-pill{display:inline-flex;margin-top:16px;padding:9px 14px;border-radius:999px;background:rgba(17,17,17,.07);font-size:13px;color:#4d4841}.split-section{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.feature-figure{position:relative;margin:0;border-radius:36px;overflow:hidden;box-shadow:var(--shadow);background:#e8e1d4}.feature-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}.mini-list{display:grid;gap:12px}.mini-list a,.rank-list article{padding:18px 20px;border-radius:22px;background:rgba(255,255,255,.78);border:1px solid var(--line)}.rank-list{display:grid;gap:14px}.rank-list article{display:grid;grid-template-columns:70px 1fr;gap:18px;align-items:center}.rank-list strong{font-size:28px;letter-spacing:-.06em}.rank-list p{margin:0;color:var(--muted)}.account-card{padding:28px}.code-section pre{padding:24px;border-radius:28px;background:#111;color:#f7f0e6;overflow:auto;font-size:13px;line-height:1.7}
@media (max-width:980px){.header-shell{flex-wrap:wrap}.main-nav{order:3;width:100%;justify-content:flex-start;overflow:auto;padding-bottom:4px}.hero-section,.split-section,.stats-section,.footer-grid{grid-template-columns:1fr}.hero-section{min-height:auto;padding-top:66px}.video-grid,.board-grid,.review-grid{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.site-header{padding-inline:14px}.header-cta{display:none}.search-bar{border-radius:24px;flex-direction:column}.search-bar button{width:100%}main{padding-inline:16px}.hero-section{gap:28px}.hero-panel{min-height:320px;border-radius:32px}.floating-card strong{font-size:40px}.main-card{left:20px;top:46px}.sub-card{right:20px;bottom:44px}.video-grid,.board-grid,.review-grid,.stats-grid{grid-template-columns:1fr}.section{padding:54px 0}.section-heading.with-action{display:block}.stats-section,.share-panel,.join-band{padding:30px;border-radius:30px}.footer-links{grid-template-columns:1fr}h1{letter-spacing:-.055em}}