:root{--bg:#f8f5ef;--paper:#fffdf9;--ink:#191713;--muted:#6f6a61;--line:#e7dfd2;--gold:#b48a51;--deep:#2a241c;--soft:#efe7da;--shadow:0 24px 70px rgba(42,36,28,.10);--radius:28px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}p{color:var(--muted);margin:0 0 18px}.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:40;background:rgba(248,245,239,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(231,223,210,.75)}.header-inner{width:min(1180px,92vw);margin:auto;display:flex;align-items:center;justify-content:space-between;padding:18px 0}.brand-logo{display:inline-flex;gap:12px;align-items:center;font-weight:800;letter-spacing:.04em}.brand-logo img{border-radius:14px}.site-nav{display:flex;gap:26px;align-items:center;font-size:15px}.site-nav a{color:var(--deep);opacity:.82}.site-nav a:hover{opacity:1;color:var(--gold)}.header-search{width:min(1180px,92vw);margin:0 auto 16px;display:flex;gap:10px}.header-search input{flex:1;border:1px solid var(--line);border-radius:999px;background:var(--paper);padding:13px 18px;font-size:15px;outline:none}.header-search button,.btn,.contact-form button,.social-row button{border:0;border-radius:999px;background:var(--deep);color:#fff;padding:12px 20px;font-weight:700;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease}.header-search button:hover,.btn:hover,.contact-form button:hover,.social-row button:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(42,36,28,.16)}.search-hint{font-size:14px;align-self:center;margin:0;color:var(--gold)}main{overflow:hidden}.hero{width:min(1180px,92vw);margin:0 auto;padding:88px 0 70px;display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center;min-height:72vh}.eyebrow{color:var(--gold);font-size:13px;letter-spacing:.18em;text-transform:uppercase;font-weight:800;margin-bottom:14px}.hero h1,.page-hero h1{font-size:clamp(42px,7vw,82px);line-height:1.04;letter-spacing:-.05em;margin:0 0 24px}.hero-lead,.page-hero p{font-size:18px;max-width:680px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:34px 0}.btn{display:inline-flex;align-items:center}.btn.ghost{background:transparent;color:var(--deep);border:1px solid var(--line)}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:30px 0 0}.hero-stats div,.proof-grid article{padding:22px;border:1px solid var(--line);background:rgba(255,253,249,.72);border-radius:22px}.hero-stats dt{color:var(--muted);font-size:13px}.hero-stats dd{margin:4px 0 0;font-size:24px;font-weight:900}.image-frame{position:relative;margin:0;border-radius:var(--radius);overflow:hidden;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow)}.image-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}.image-frame figcaption{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(255,253,249,.86);border:1px solid rgba(231,223,210,.8);backdrop-filter:blur(14px);padding:12px 14px;border-radius:18px;color:var(--muted);font-size:13px}.section{width:min(1180px,92vw);margin:0 auto;padding:88px 0}.section h2{font-size:clamp(30px,4.2vw,54px);line-height:1.12;letter-spacing:-.04em;margin:0 0 24px}.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center}.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-card,.review-card,.article-stack article{background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:26px;transition:transform .25s ease,box-shadow .25s ease}.feature-card:hover,.review-card:hover,.article-stack article:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.feature-card h3,.review-card h3,.article-stack h3{margin:0 0 12px;font-size:20px}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.tag-row span{font-size:12px;padding:5px 10px;border-radius:999px;background:var(--soft);color:var(--deep)}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:24px}.section-head p{max-width:420px}.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.video-card{background:var(--paper);border:1px solid var(--line);border-radius:26px;overflow:hidden;box-shadow:0 12px 30px rgba(42,36,28,.05)}.video-visual{position:relative;background:#efe7da;aspect-ratio:16/10;overflow:hidden}.video-shell{display:block;width:100%;height:100%;object-fit:cover;background:#efe7da}.play-layer{position:absolute;inset:0;display:flex;gap:10px;align-items:center;justify-content:center;background:rgba(25,23,19,.10);color:#fff;border:0;opacity:0;transition:opacity .25s ease,background .25s ease;cursor:pointer;font-weight:800}.video-card:hover .play-layer,.play-layer:focus-visible{opacity:1;background:rgba(25,23,19,.38)}.play-icon{display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:rgba(255,255,255,.22);backdrop-filter:blur(14px)}.video-body{padding:22px}.video-body h3{margin:0 0 10px}.metric{font-size:13px;color:var(--gold)}.proof{background:var(--deep);color:#fff;border-radius:36px;padding:70px;margin-top:50px}.proof h2,.proof .eyebrow{color:#fff}.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.proof-grid article{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16)}.proof-grid strong{display:block;font-size:36px}.proof-grid span{color:rgba(255,255,255,.78)}.review-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.review-card p{font-size:15px}.review-card span{color:var(--gold);font-size:13px}.faq-list{display:grid;gap:12px}.faq-list details{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:20px}.faq-list summary{cursor:pointer;font-weight:800}.faq-list p{margin-top:12px}.contact{display:grid;grid-template-columns:1fr .9fr;gap:48px;background:var(--paper);border:1px solid var(--line);border-radius:36px;padding:48px}.contact-form{display:grid;gap:18px}.contact-form label{display:grid;gap:8px;color:var(--deep);font-weight:700}.contact-form input,.contact-form textarea{border:1px solid var(--line);border-radius:18px;background:#fff;padding:13px 15px;font:inherit;outline:none}.social-row{display:flex;gap:10px;flex-wrap:wrap}.social-row button{background:var(--soft);color:var(--deep)}.page-hero{width:min(980px,92vw);margin:0 auto;padding:82px 0 42px;text-align:center}.breadcrumb{font-size:14px}.domain-line{color:var(--gold)}.article-stack{display:grid;gap:18px}.site-footer{margin-top:80px;background:var(--deep);color:#fff;padding:58px 0}.footer-grid{width:min(1180px,92vw);margin:auto;display:grid;grid-template-columns:1.3fr .8fr .8fr;gap:40px}.site-footer p,.site-footer a{color:rgba(255,255,255,.72)}.site-footer h2{font-size:18px;margin-top:0}.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}.footer-logo{color:#fff}.back-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border:0;border-radius:50%;background:var(--deep);color:#fff;box-shadow:var(--shadow);cursor:pointer;opacity:0;pointer-events:none;transition:.25s}.back-top.show{opacity:1;pointer-events:auto}.video-modal{position:fixed;inset:0;display:none;place-items:center;background:rgba(25,23,19,.52);z-index:70;padding:22px}.video-modal.open{display:grid}.video-modal-box{width:min(680px,94vw);background:var(--paper);border-radius:28px;padding:28px;position:relative}.modal-close{position:absolute;right:18px;top:14px;border:0;background:transparent;font-size:30px;cursor:pointer}.mock-player{display:grid;place-items:center;min-height:260px;background:linear-gradient(135deg,#efe7da,#d8c5aa);border-radius:22px;text-align:center;color:var(--deep)}.mock-player span{font-size:54px}@media (max-width:980px){.hero,.split,.contact{grid-template-columns:1fr}.card-grid,.video-grid{grid-template-columns:repeat(2,1fr)}.review-grid,.proof-grid{grid-template-columns:repeat(2,1fr)}.site-nav{display:none}.hero{padding-top:54px}.section-head{display:block}}@media (max-width:640px){.header-inner{padding:14px 0}.header-search{flex-direction:column}.hero h1,.page-hero h1{font-size:40px}.hero-stats,.card-grid,.video-grid,.review-grid,.proof-grid,.footer-grid{grid-template-columns:1fr}.section{padding:58px 0}.contact{padding:28px}.image-frame figcaption{position:static;border:0;background:transparent}.hero-actions{display:grid}.btn{justify-content:center}}