:root{
    --bg:#f7f4ee;
    --panel:#ffffff;
    --ink:#101820;
    --muted:#65736f;
    --line:rgba(16,24,32,.12);
    --soft:#ebe5d9;
    --accent:#1f3d36;
    --accent-2:#9b7b58;
    --shadow:0 24px 70px rgba(16,24,32,.08);
    --radius:30px;
}
*{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:1.72;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
.site-header{position:sticky;top:0;z-index:30;background:rgba(247,244,238,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-shell{max-width:1180px;margin:0 auto;padding:18px 24px 12px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand-logo,.footer-logo{display:inline-flex;align-items:center;gap:10px}
.brand-logo img,.footer-logo img{height:40px;width:auto}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{padding:10px 14px;border-radius:999px;color:#27342f;font-size:15px;transition:background .25s ease,transform .25s ease}
.nav-links a:hover{background:rgba(31,61,54,.08);transform:translateY(-1px)}
.nav-toggle{display:none;border:1px solid var(--line);background:var(--panel);border-radius:16px;padding:8px 12px}
.search-strip{max-width:1180px;margin:0 auto;padding:0 24px 16px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center}
.fake-search{display:flex;gap:10px;background:rgba(255,255,255,.74);border:1px solid var(--line);padding:8px;border-radius:999px;box-shadow:0 10px 40px rgba(16,24,32,.04)}
.fake-search input{border:0;background:transparent;outline:0;flex:1;min-width:160px;padding:8px 12px;color:var(--ink)}
.fake-search button,.btn{border:0;background:var(--ink);color:#fff;border-radius:999px;padding:10px 18px;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease}
.fake-search button:hover,.btn:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(16,24,32,.16)}
.search-note{font-size:13px;color:var(--muted);margin:0;white-space:nowrap}.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}
.hero{min-height:78vh;display:grid;place-items:center;padding:78px 24px 62px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:auto -10% 8% auto;width:44vw;height:44vw;min-width:340px;min-height:340px;border-radius:50%;background:rgba(31,61,54,.09);filter:blur(8px)}
.hero-inner{max-width:1180px;width:100%;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line);border-radius:999px;color:var(--accent);background:rgba(255,255,255,.56);font-size:13px;margin-bottom:20px}
.hero h1,.page-hero h1{font-size:clamp(38px,6vw,78px);line-height:1.04;letter-spacing:-.06em;margin:0 0 24px}.hero p,.page-hero p{font-size:clamp(17px,2vw,21px);color:var(--muted);margin:0 0 28px;max-width:680px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.btn.secondary{background:transparent;color:var(--ink);border:1px solid var(--line)}
.hero-media{position:relative}.hero-media figure,.image-card{margin:0;border-radius:var(--radius);overflow:hidden;background:var(--panel);box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.72)}.hero-media img{aspect-ratio:4/3;object-fit:cover}.image-desc{display:block;padding:12px 16px;font-size:12px;color:var(--muted);background:rgba(255,255,255,.84)}
.section{padding:82px 24px}.section.tight{padding-top:42px}.section-inner{max-width:1180px;margin:0 auto}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}.section-head h2{font-size:clamp(28px,4vw,48px);line-height:1.1;letter-spacing:-.04em;margin:0}.section-head p{max-width:560px;color:var(--muted);margin:0}.grid{display:grid;gap:18px}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:26px;padding:26px;box-shadow:0 18px 48px rgba(16,24,32,.045);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(31,61,54,.22)}.card h3{margin:0 0 12px;font-size:22px}.card p{margin:0;color:var(--muted)}
.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.video-card{position:relative;overflow:hidden;border-radius:30px;background:var(--panel);border:1px solid var(--line);box-shadow:0 18px 54px rgba(16,24,32,.06)}.video-frame{position:relative;aspect-ratio:16/10;background:#111;overflow:hidden}.video-frame video{width:100%;height:100%;object-fit:cover;display:block;background:#111}.play-badge{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transition:opacity .25s ease,background .25s ease;background:rgba(16,24,32,.18)}.play-badge span{width:74px;height:74px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.9);box-shadow:0 14px 36px rgba(0,0,0,.18);color:var(--ink);font-size:24px;padding-left:4px}.video-card:hover .play-badge,.video-card:focus-within .play-badge{opacity:1}.video-body{padding:20px}.tag{display:inline-flex;border:1px solid rgba(31,61,54,.16);background:rgba(31,61,54,.06);color:var(--accent);border-radius:999px;padding:4px 10px;font-size:12px;margin-bottom:10px}.video-body h3{margin:0 0 10px;font-size:20px;line-height:1.35}.video-body p{margin:0;color:var(--muted);font-size:15px}.metrics{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px;color:#4d5c57;font-size:13px}.metrics span{padding:6px 9px;border-radius:999px;background:rgba(16,24,32,.05)}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.stat{padding:30px;border-radius:28px;background:var(--ink);color:#fff}.stat strong{display:block;font-size:clamp(28px,4vw,46px);line-height:1}.stat span{display:block;color:rgba(255,255,255,.72);margin-top:10px}
.review{display:flex;flex-direction:column;gap:14px}.quote{font-size:17px;color:#2f3b37}.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--soft),#fff);border:1px solid var(--line)}.person{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px}.faq-list{display:grid;gap:12px}.faq-item{border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.72);overflow:hidden}.faq-item summary{cursor:pointer;padding:20px 24px;font-weight:700;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item p{margin:0;padding:0 24px 22px;color:var(--muted)}
.contact-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px;align-items:stretch}.contact-info{background:var(--ink);color:#fff;border-radius:30px;padding:32px}.contact-info p{color:rgba(255,255,255,.72)}.contact-form{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:30px;padding:28px;display:grid;gap:14px}.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:18px;padding:14px 16px;outline:0}.contact-form textarea{min-height:130px;resize:vertical}.share-row{display:flex;gap:10px;flex-wrap:wrap}.share-row button{border:1px solid var(--line);background:rgba(255,255,255,.74);border-radius:999px;padding:10px 14px;cursor:pointer}.share-row button:hover{background:#fff}
.page-hero{padding:76px 24px 46px}.page-hero .section-inner{display:grid;grid-template-columns:1fr .72fr;gap:40px;align-items:end}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:14px}.content-rich{max-width:880px}.content-rich h2{font-size:32px;line-height:1.18;margin:38px 0 12px}.content-rich p{color:var(--muted)}.mini-list{display:grid;gap:14px}.mini-list article{padding:20px;border-radius:22px;border:1px solid var(--line);background:rgba(255,255,255,.72)}
.site-footer{padding:58px 24px 26px;background:#101820;color:#fff}.footer-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:start}.footer-grid h2{margin:0 0 8px}.footer-grid p,.footer-bottom p{color:rgba(255,255,255,.68);margin:0}.footer-links{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}.footer-links a{padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.08)}.footer-bottom{max-width:1180px;margin:34px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:14px}
.notice{padding:14px 18px;border-radius:18px;background:rgba(155,123,88,.12);color:#66503a;border:1px solid rgba(155,123,88,.2)}
@media (max-width: 920px){.nav-toggle{display:inline-flex}.nav-links{display:none;position:absolute;left:24px;right:24px;top:70px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:var(--shadow)}.nav-links.is-open{display:grid}.search-strip{grid-template-columns:1fr}.search-note{white-space:normal}.hero-inner,.page-hero .section-inner,.contact-panel{grid-template-columns:1fr}.video-grid,.grid.three,.grid.four,.stats{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.footer-links{justify-content:flex-start}}
@media (max-width: 620px){.section{padding:58px 18px}.hero{padding:58px 18px}.nav-shell{padding-left:18px;padding-right:18px}.search-strip{padding-left:18px;padding-right:18px}.fake-search{border-radius:24px;display:grid}.video-grid,.grid.three,.grid.four,.stats{grid-template-columns:1fr}.hero h1,.page-hero h1{letter-spacing:-.04em}.section-head{display:block}.section-head p{margin-top:12px}.footer-bottom{display:block}.footer-bottom p+p{margin-top:10px}}