:root{
    --bg:#f7f4ef;
    --panel:#ffffff;
    --ink:#111827;
    --muted:#6b7280;
    --line:rgba(17,24,39,.1);
    --gold:#b89456;
    --gold-soft:#efe4cd;
    --radius:28px;
    --shadow:0 24px 80px rgba(17,24,39,.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:1.7;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button,input{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:30;background:rgba(247,244,239,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-wrap{max-width:1180px;margin:auto;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand,.footer-logo{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.04em}
.brand img,.footer-logo img{width:132px;height:auto}
.nav-menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-menu a{display:block;padding:10px 14px;border-radius:999px;color:#374151;font-size:14px;transition:.22s ease}
.nav-menu a:hover{background:#fff;box-shadow:0 10px 30px rgba(17,24,39,.06);color:var(--ink);transform:translateY(-1px)}
.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px;color:var(--ink)}
.search-shell{max-width:1180px;margin:0 auto 16px;padding:0 22px 18px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center}
.search-shell input{width:100%;border:1px solid var(--line);background:#fff;border-radius:999px;padding:15px 20px;outline:none;box-shadow:0 10px 32px rgba(17,24,39,.04)}
.search-shell input:focus{border-color:rgba(184,148,86,.55);box-shadow:0 0 0 5px rgba(184,148,86,.12)}
.search-shell button,.btn{border:0;border-radius:999px;padding:14px 20px;cursor:pointer;transition:.22s ease;font-weight:700}
.search-shell button,.btn.primary{background:var(--ink);color:#fff;box-shadow:0 14px 36px rgba(17,24,39,.18)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.search-shell button:hover,.btn:hover{transform:translateY(-2px)}
#fakeSearchTip{grid-column:1/-1;margin:0;color:var(--muted);font-size:13px;min-height:20px}
.section-wrap{max-width:1180px;margin:0 auto;padding:80px 22px}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;min-height:640px}
.eyebrow{margin:0 0 14px;color:var(--gold);font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:13px}
h1,h2,h3{line-height:1.12;margin:0;color:var(--ink)}
h1{font-size:clamp(42px,7vw,82px);letter-spacing:-.06em}
h2{font-size:clamp(30px,4vw,54px);letter-spacing:-.04em}
h3{font-size:22px;letter-spacing:-.02em}
p{color:#4b5563}
.hero-lead{font-size:20px;max-width:650px;color:#374151;margin:24px 0 0}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:34px 0 18px}.domain-note{color:var(--muted);font-size:14px}.hero-visual{transform:rotate(1.5deg)}
.intro{max-width:920px;text-align:center}.intro p:last-child{font-size:18px;color:#374151}.section-heading{display:grid;gap:12px;margin-bottom:30px;max-width:760px}.section-heading p{margin:0}.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.video-grid.compact{grid-template-columns:repeat(3,minmax(0,1fr))}
.video-card{background:rgba(255,255,255,.82);border:1px solid rgba(17,24,39,.08);border-radius:var(--radius);overflow:hidden;box-shadow:0 18px 60px rgba(17,24,39,.06);transition:.26s ease;position:relative}
.video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(184,148,86,.3)}
.video-card figure{margin:0}.video-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#ede7dd}.video-thumb img,.preview-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.36s ease}.preview-video{z-index:1;opacity:0}.video-card:hover .video-thumb img{transform:scale(1.05);filter:saturate(1.08)}
.play-button{position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-50%) scale(.86);width:72px;height:72px;border:0;border-radius:50%;background:rgba(255,255,255,.92);color:var(--gold);font-size:28px;opacity:0;transition:.25s ease;box-shadow:0 16px 42px rgba(17,24,39,.18)}
.video-card:hover .play-button,.video-card.is-active .play-button{opacity:1;transform:translate(-50%,-50%) scale(1)}.image-description{position:absolute;left:-9999px}.video-body{padding:22px}.video-body p{margin:12px 0;color:#4b5563}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.tag-row span,.category-card span{font-size:12px;font-weight:800;color:#765b29;background:var(--gold-soft);border-radius:999px;padding:6px 10px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0 0}.metrics div{background:#f8f6f2;border:1px solid var(--line);border-radius:16px;padding:10px}.metrics dt{font-size:12px;color:var(--muted)}.metrics dd{margin:0;font-weight:900;color:var(--ink)}
.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.category-card{display:block;background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.24s ease;min-height:210px}.category-card:hover{background:#fff;transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(184,148,86,.25)}.category-card h3{margin:18px 0 10px}.plain-card{min-height:auto}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stats div{background:var(--ink);color:#fff;border-radius:var(--radius);padding:30px;text-align:center}.stats strong{display:block;font-size:38px;line-height:1;margin-bottom:12px;color:#fff}.stats span{color:#d1d5db}.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}.review-card .role{color:var(--gold);font-weight:700;margin:8px 0}.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px 24px}.faq-list summary{cursor:pointer;font-weight:800}.faq-list p{margin:14px 0 0}.join{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:36px;margin-bottom:80px}.join-form{display:grid;gap:12px}.join-form label{display:grid;gap:6px;font-weight:700}.join-form input{border:1px solid var(--line);border-radius:18px;padding:14px;background:#f9fafb}.form-tip{min-height:24px;margin:0;color:var(--gold);font-weight:700}.sub-hero{padding-top:110px;padding-bottom:60px}.sub-hero p{max-width:760px;font-size:18px}.split{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:stretch}.mini-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:0 18px 50px rgba(17,24,39,.05)}.trust-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 32px;margin:0;display:grid;gap:10px;color:#4b5563}
.site-footer{background:#111827;color:#fff;padding:64px 22px}.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:36px}.site-footer p,.site-footer a,.site-footer li{color:#d1d5db}.site-footer h2{font-size:18px;color:#fff;letter-spacing:0}.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.site-footer img{width:132px;margin-bottom:16px}
@media (max-width: 920px){.hero,.join,.split{grid-template-columns:1fr}.video-grid,.video-grid.compact,.category-grid,.review-grid{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr 1fr}.hero{min-height:auto}.hero-visual{transform:none}.nav-toggle{display:inline-flex}.nav-menu{display:none;position:absolute;right:22px;top:72px;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:24px;padding:12px;box-shadow:var(--shadow)}.nav-menu.is-open{display:flex}.search-shell{grid-template-columns:1fr}}
@media (max-width: 620px){.section-wrap{padding:56px 18px}.nav-wrap{padding:14px 18px}.video-grid,.video-grid.compact,.category-grid,.review-grid,.stats,.footer-grid{grid-template-columns:1fr}.hero-actions{flex-direction:column}.btn,.search-shell button{width:100%;text-align:center}h1{font-size:42px}.metrics{grid-template-columns:1fr}.site-header{position:relative}}
@media (prefers-reduced-motion: reduce){*{transition:none!important;scroll-behavior:auto!important}}