:root{
    --bg:#fbfaf8;
    --surface:#ffffff;
    --surface-soft:#f5f1ec;
    --ink:#1e2430;
    --muted:#6f7785;
    --line:#e8e2da;
    --accent:#d96c87;
    --accent-2:#718bdc;
    --accent-soft:#fff0f4;
    --shadow:0 24px 70px rgba(30,36,48,.08);
    --radius:28px;
    --radius-lg:42px;
    --max:1180px;
}
*{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:radial-gradient(circle at top left,#fff3f6 0,#fbfaf8 34%,#f8fbff 100%);color:var(--ink);line-height:1.75;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;display:block}
button,input,textarea{font:inherit}
.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}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,248,.86);backdrop-filter:blur(22px);border-bottom:1px solid rgba(232,226,218,.72)}
.header-shell,.search-shell,.main-shell,.site-footer{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.header-shell{min-height:78px;display:flex;align-items:center;gap:28px;justify-content:space-between}
.brand-logo{display:inline-flex;align-items:center;gap:12px;min-width:max-content}
.brand-logo strong{display:block;font-size:18px;letter-spacing:.04em}
.brand-logo small{display:block;color:var(--muted);font-size:12px;margin-top:-4px}
.brand-mark{width:42px;height:42px;border-radius:16px;background:linear-gradient(135deg,#1e2430,#cc647f);display:grid;place-items:center;color:white;font-weight:800;box-shadow:0 12px 30px rgba(217,108,135,.22)}
.main-nav{display:flex;align-items:center;justify-content:center;gap:8px;flex:1}
.main-nav a{padding:10px 14px;border-radius:999px;color:#394150;font-size:15px;transition:.2s ease}
.main-nav a:hover{background:var(--surface);box-shadow:0 12px 30px rgba(30,36,48,.06);color:var(--accent)}
.header-cta,.btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:999px;padding:12px 18px;transition:.22s ease;cursor:pointer}
.header-cta,.btn-primary{background:#1e2430;color:#fff;box-shadow:0 18px 40px rgba(30,36,48,.18)}
.header-cta:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 48px rgba(30,36,48,.22)}
.btn-secondary{background:rgba(255,255,255,.72);border-color:var(--line);color:var(--ink)}
.btn-secondary:hover{background:#fff;transform:translateY(-2px)}
.search-shell{padding:0 0 16px}
.search-form{display:flex;gap:10px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px;box-shadow:0 14px 40px rgba(30,36,48,.05)}
.search-form input{flex:1;border:0;outline:0;background:transparent;padding:10px 16px;min-width:0;color:var(--ink)}
.search-form button{border:0;border-radius:999px;background:var(--accent);color:#fff;padding:10px 20px;cursor:pointer}
.search-hint{margin:8px 14px 0;color:var(--muted);font-size:13px}
.main-shell{padding:72px 0}
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:44px;align-items:center;min-height:620px}
.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.72);color:var(--accent);font-weight:700;font-size:13px}
h1,h2,h3{line-height:1.18;margin:0;color:var(--ink)}
h1{font-size:clamp(42px,6vw,78px);letter-spacing:-.06em;margin:22px 0 22px}
h2{font-size:clamp(28px,4vw,48px);letter-spacing:-.04em;margin-bottom:16px}
h3{font-size:20px;margin-bottom:10px}
p{margin:0;color:var(--muted)}
.hero-lead{font-size:19px;max-width:680px;color:#4f5868}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.domain-pill{margin-top:24px;display:inline-flex;gap:8px;align-items:center;border-radius:999px;background:var(--accent-soft);color:#9b3a54;padding:10px 14px;font-size:14px}
.hero-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);background:#fff;min-height:430px}
.hero-media img{width:100%;height:100%;object-fit:cover;min-height:430px;transform:scale(1.01)}
.media-badge{position:absolute;left:22px;bottom:22px;right:22px;border-radius:24px;background:rgba(255,255,255,.78);backdrop-filter:blur(16px);padding:18px;border:1px solid rgba(255,255,255,.65)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-head p{max-width:640px}
.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:rgba(255,255,255,.78);border:1px solid rgba(232,226,218,.85);border-radius:var(--radius);padding:26px;box-shadow:0 16px 50px rgba(30,36,48,.04);transition:.22s ease;position:relative;overflow:hidden}
.card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(217,108,135,.08),rgba(113,139,220,.05));opacity:0;transition:.22s ease;pointer-events:none}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card:hover:before{opacity:1}
.card>*{position:relative}
.mini-tag,.video-tag{display:inline-flex;border-radius:999px;background:#f4eef4;color:#a54760;padding:6px 10px;font-size:12px;font-weight:700;margin-bottom:14px}
.video-card{padding:14px}
.video-frame{position:relative;border-radius:24px;overflow:hidden;background:#f3f0ed;aspect-ratio:16/9}
.video-frame img,.video-frame video{width:100%;height:100%;object-fit:cover}
.video-frame video{position:absolute;inset:0;opacity:0;pointer-events:none}
.play-button{position:absolute;inset:auto auto 18px 18px;width:54px;height:54px;border:0;border-radius:50%;background:rgba(30,36,48,.88);color:#fff;display:grid;place-items:center;box-shadow:0 16px 32px rgba(30,36,48,.25);transform:translateY(8px);opacity:0;transition:.22s ease;cursor:pointer}
.video-card:hover .play-button{opacity:1;transform:translateY(0)}
.video-body{padding:20px 8px 10px}
.metrics{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px;color:#6d7480;font-size:13px}
.metrics span{border:1px solid var(--line);border-radius:999px;padding:6px 10px;background:rgba(255,255,255,.7)}
.board-card{min-height:220px;display:flex;flex-direction:column;justify-content:space-between}.board-card strong{font-size:28px;color:var(--accent)}
.stat-card{text-align:center}.stat-card strong{display:block;font-size:38px;letter-spacing:-.04em;color:#1e2430}.stat-card span{color:var(--muted)}
.topic-list{display:grid;gap:12px}.topic-item{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;padding:20px;border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.72);transition:.2s ease}.topic-item:hover{transform:translateX(4px);background:#fff}.topic-item h3{font-size:18px}.topic-meta{font-size:13px;color:var(--muted);white-space:nowrap}
.quote-card blockquote{margin:0;color:#3f4857;font-size:16px}.quote-card cite{display:block;margin-top:18px;color:var(--muted);font-style:normal}
.faq-list{display:grid;gap:14px}.faq-item{border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.78);overflow:hidden}.faq-question{width:100%;border:0;background:transparent;text-align:left;padding:22px 24px;font-weight:800;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;gap:16px}.faq-answer{display:none;padding:0 24px 22px}.faq-item.is-open .faq-answer{display:block}.faq-item.is-open .faq-question span:last-child{transform:rotate(45deg)}
.join-panel{display:grid;grid-template-columns:1fr 430px;gap:28px;align-items:stretch;border-radius:var(--radius-lg);background:linear-gradient(135deg,#1e2430,#544a61 55%,#bd667f);padding:36px;color:#fff;overflow:hidden}.join-panel p,.join-panel h2{color:#fff}.join-form{display:grid;gap:12px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:28px;padding:22px;backdrop-filter:blur(14px)}.join-form input,.join-form textarea{border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.88);border-radius:16px;padding:13px 14px;outline:0}.join-form button{border:0;border-radius:999px;background:#fff;color:#1e2430;padding:13px 16px;font-weight:800;cursor:pointer}
.breadcrumb{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:14px;margin-bottom:24px}.page-hero{padding:82px 0 40px}.page-hero h1{max-width:960px}.content-block{display:grid;gap:24px}.callout{border-left:4px solid var(--accent);background:#fff;border-radius:0 24px 24px 0;padding:24px;box-shadow:0 16px 40px rgba(30,36,48,.05)}
.site-footer{padding:54px 0 28px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.3fr .8fr 1.1fr;gap:30px}.site-footer h2{font-size:16px;margin:0 0 14px}.site-footer a,.share-button{display:block;color:var(--muted);margin:8px 0}.share-button{width:100%;text-align:left;border:1px solid var(--line);background:#fff;border-radius:16px;padding:10px 12px;cursor:pointer}.footer-bottom{border-top:1px solid var(--line);margin-top:34px;padding-top:20px;display:flex;justify-content:space-between;color:var(--muted);font-size:14px}
@media (max-width:980px){.header-shell{flex-wrap:wrap;padding:14px 0}.main-nav{order:3;width:100%;overflow-x:auto;justify-content:flex-start}.hero,.join-panel{grid-template-columns:1fr}.grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr}.section-head{display:block}.topic-item{grid-template-columns:1fr}}
@media (max-width:640px){.header-shell,.search-shell,.main-shell,.site-footer{width:min(100% - 22px,var(--max))}.header-cta{display:none}.search-form{border-radius:22px;align-items:stretch}.search-form input{font-size:14px}.hero{min-height:auto;padding-top:10px}.main-shell{padding:46px 0}h1{font-size:42px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.hero-actions{display:grid}.hero-media img{min-height:310px}.join-panel{padding:22px}.footer-bottom{display:grid;gap:12px}}