:root{
  --bg:#f8f8f4;--panel:#ffffff;--ink:#1d2a2e;--muted:#6a7477;--line:#e6e8df;--accent:#4e776b;--accent-2:#d9a85f;--soft:#ecf3ef;--shadow:0 22px 70px rgba(29,42,46,.10);--radius:28px
}
*{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",sans-serif;background:var(--bg);color:var(--ink);line-height:1.72}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,textarea{font:inherit}.container{width:min(1180px,calc(100% - 36px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;clip:rect(0,0,0,0);overflow:hidden;white-space:nowrap}.site-header{position:sticky;top:0;z-index:50;background:rgba(248,248,244,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,232,223,.75)}.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 0}.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.03em}.logo-mark{width:38px;height:38px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),#91b9a9);color:white;box-shadow:0 12px 28px rgba(78,119,107,.24)}.logo-text{font-size:1.08rem}.site-nav{display:flex;gap:4px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.site-nav a{padding:8px 11px;border-radius:999px;color:#425052;font-size:.94rem}.site-nav a:hover,.site-nav a.active{background:#fff;color:var(--accent);box-shadow:0 8px 20px rgba(29,42,46,.06)}.menu-toggle{display:none;border:0;background:#fff;border-radius:14px;padding:9px 12px;box-shadow:0 10px 26px rgba(29,42,46,.08)}.search-row{padding:0 0 15px}.fake-search{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;position:relative}.fake-search input{width:100%;border:1px solid var(--line);background:#fff;border-radius:18px;padding:13px 16px;outline:0;box-shadow:inset 0 1px 0 rgba(255,255,255,.75)}.fake-search input:focus{border-color:#aac6bc;box-shadow:0 0 0 4px rgba(78,119,107,.11)}.fake-search button,.btn{border:0;border-radius:18px;padding:13px 18px;background:var(--ink);color:#fff;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.search-msg{grid-column:1/-1;color:var(--accent);font-size:.92rem;min-height:1.4em}.hero{padding:76px 0 44px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.72);color:var(--accent);font-weight:700;font-size:.92rem}.hero h1{font-size:clamp(2.35rem,5vw,5.2rem);line-height:1.06;margin:18px 0 20px;letter-spacing:-.06em}.lead{font-size:clamp(1.04rem,2vw,1.26rem);color:var(--muted);max-width:740px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.hero-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero-card img{border-radius:22px;aspect-ratio:16/9;object-fit:cover}.domain-note{margin:12px 4px 0;color:var(--muted);font-size:.92rem}.section{padding:58px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px}.section-head h2{font-size:clamp(1.7rem,3vw,2.7rem);line-height:1.14;margin:0;letter-spacing:-.04em}.section-head p{color:var(--muted);max-width:620px;margin:8px 0 0}.grid{display:grid;gap:18px}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.card{background:rgba(255,255,255,.84);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 16px 50px rgba(29,42,46,.055);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.card:hover{transform:translateY(-4px);box-shadow:0 24px 70px rgba(29,42,46,.10);border-color:#cfd8ce}.card h3{margin:0 0 10px;font-size:1.18rem}.card p{margin:0;color:var(--muted)}.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--soft);color:var(--accent);font-weight:700;font-size:.82rem;margin-bottom:14px}.metric{margin-top:14px;color:var(--accent);font-weight:800}.image-card img{border-radius:22px;margin-bottom:18px;aspect-ratio:4/3;object-fit:cover}.video-card{position:relative;overflow:hidden;padding:0}.video-frame{position:relative;border-radius:var(--radius) var(--radius) 0 0;overflow:hidden;background:#dfe8e2}.video-frame video,.video-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}.play{position:absolute;inset:0;display:grid;place-items:center;background:rgba(29,42,46,.08);opacity:0;transition:opacity .22s ease}.play span{width:66px;height:66px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.9);box-shadow:0 18px 40px rgba(29,42,46,.18);font-size:1.55rem;color:var(--accent);padding-left:4px}.video-card:hover .play{opacity:1}.video-body{padding:22px}.stats{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px;color:#536063;font-size:.9rem}.stats span{background:#f3f5ef;border:1px solid var(--line);padding:4px 9px;border-radius:999px}.timeline{position:relative}.timeline:before{content:"";position:absolute;left:18px;top:0;bottom:0;width:1px;background:var(--line)}.time-item{position:relative;padding-left:52px;margin-bottom:16px}.time-item:before{content:"";position:absolute;left:9px;top:6px;width:18px;height:18px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 7px rgba(78,119,107,.11)}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:22px;margin-bottom:12px;padding:18px 20px;box-shadow:0 12px 36px rgba(29,42,46,.04)}.faq-list summary{cursor:pointer;font-weight:800}.faq-list p{color:var(--muted);margin:12px 0 0}.review{display:flex;flex-direction:column;gap:10px}.review strong{font-size:1.08rem}.rating{color:var(--accent-2);font-weight:900}.notice{padding:18px 20px;border-radius:22px;background:#fff8e8;border:1px solid #ead7ad;color:#735a25}.cta-panel{background:linear-gradient(135deg,#ffffff,#eef6f1);border:1px solid var(--line);border-radius:34px;padding:34px;display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:center;box-shadow:var(--shadow)}.contact-form{display:grid;gap:12px}.contact-form input,.contact-form textarea{border:1px solid var(--line);border-radius:16px;background:#fff;padding:13px 14px;outline:0}.contact-form textarea{min-height:120px}.breadcrumb{padding:28px 0 0;color:var(--muted);font-size:.92rem}.page-hero{padding:38px 0 22px}.page-hero h1{font-size:clamp(2.1rem,4vw,4.2rem);line-height:1.08;margin:12px 0}.json-block{background:#142021;color:#e9f1ed;border-radius:26px;padding:22px;overflow:auto;font-size:.86rem;line-height:1.6}.site-footer{margin-top:70px;padding:48px 0 28px;background:#172225;color:#d8e1dd}.site-footer a{color:#fff}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr 1fr;gap:30px}.site-footer h2{font-size:1rem;margin:0 0 12px}.site-footer p,.site-footer li{color:#aebdba}.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:8px}.copyright{border-top:1px solid rgba(255,255,255,.10);margin-top:30px;padding-top:18px;color:#aebdba}.footer-logo{margin-bottom:14px}.footer-logo .logo-mark{background:#fff;color:#172225}.domain-pill{display:inline-flex;gap:6px;align-items:center;border-radius:999px;background:#fff;border:1px solid var(--line);padding:7px 12px;color:var(--accent);font-weight:800}.mini-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}.mini-list li{padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:18px}.share-row{display:flex;flex-wrap:wrap;gap:10px}.share-row button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 13px;cursor:pointer}.share-row button:hover{border-color:#b6cbbf;color:var(--accent)}@media(max-width:960px){.hero-grid,.cta-panel{grid-template-columns:1fr}.grid.cols-4,.grid.cols-3{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.site-nav{display:none;position:absolute;left:18px;right:18px;top:76px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:12px;box-shadow:var(--shadow);justify-content:flex-start}.site-nav.open{display:flex}.menu-toggle{display:block}}@media(max-width:640px){.container{width:min(100% - 28px,1180px)}.hero{padding-top:46px}.grid.cols-4,.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}.section-head{display:block}.fake-search{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.card{padding:20px}.hero h1{letter-spacing:-.04em}.cta-panel{padding:24px}}