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22px}.lf-link{font-size:12px;color:var(--lf-accent);font-weight:700}.lf-article-section{display:grid;grid-template-columns:48px 1fr;gap:18px;padding:28px 0;border-bottom:1px solid #dfe5e9}.lf-article-section:last-child{border-bottom:0}.lf-step{font-size:13px;display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#fff;border:1px solid #dce5e9;color:var(--lf-accent);font-weight:800}.lf-article-section h2{font-size:21px;line-height:1.5;margin:2px 0 14px}.lf-article-section p{margin:0;font-size:15px;line-height:1.95;color:#586772}.lf-guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.lf-guide-card{border:1px solid #e2e8ec;border-radius:16px;padding:29px;text-decoration:none;color:#202830;background:#fff}.lf-guide-card h3{font-size:20px;line-height:1.5;margin:0 0 14px}.lf-guide-card p{color:#63737d;font-size:14px;line-height:1.9;margin:0 0 24px}.lf-faq details{border-bottom:1px solid #dfe5e9;padding:20px 0}.lf-faq 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YaHei",sans-serif}.lf-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:54px}.lf-footer strong{font-size:16px;color:#fff;display:block;margin-bottom:15px}.lf-footer p{font-size:13px;line-height:1.9;color:#acbbc5;max-width:360px}.lf-footer a{font-size:12px;color:#b9c7d0;display:block;text-decoration:none;margin:10px 0;line-height:1.6;overflow-wrap:anywhere}.lf-footer-bottom{margin-top:36px;border-top:1px solid #40505b;padding:21px 0;font-size:11px;color:#a0b0bb;line-height:1.8}.lf-header a:focus-visible,.lf-site a:focus-visible,.lf-faq summary:focus-visible{outline:3px solid #226fc5;outline-offset:4px}@media(max-width:1000px){.lf-header-inner{gap:17px;flex-wrap:wrap;padding-top:18px;padding-bottom:18px}.lf-nav{order:3;flex-basis:100%;justify-content:flex-start;gap:20px}.lf-header-inner>.lf-button{margin-left:auto}.lf-hero-grid{gap:30px}.lf-platform-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.lf-wrap{width:calc(100% - 32px)}.lf-header-inner{min-height:80px}.lf-brand{font-size:20px}.lf-brand small{font-size:10px}.lf-nav{gap:16px}.lf-nav a{font-size:12px}.lf-button-small{font-size:12px;padding:10px 13px}.lf-hero{padding:47px 0}.lf-hero-grid{grid-template-columns:1fr;gap:32px}.lf-hero-panel{padding:25px}.lf-hero-panel strong{font-size:20px}.lf-site h1{font-size:34px}.lf-lead{font-size:15px}.lf-section{padding:45px 0}.lf-section-heading h2{font-size:24px}.lf-platform-grid{gap:12px}.lf-platform{padding:21px 16px}.lf-platform h3{font-size:15px}.lf-guide-grid{grid-template-columns:1fr}.lf-article-section{grid-template-columns:36px 1fr;gap:12px}.lf-article-section h2{font-size:19px}.lf-footer-grid{grid-template-columns:1fr;gap:26px}.lf-document-hero{padding:35px 0}.lf-document-hero h1{font-size:30px}.lf-callout{padding:24px}.lf-guide-card{padding:24px}}@media(prefers-reduced-motion:reduce){.lf-platform{transition:none}}