:root{--bg:#FFF8F8;--paper:#fff;--soft:#FBE9EC;--text:#351C23;--body:#4B3037;--muted:#76545F;--accent:#C9365B;--footer:#321C24;--line:#EDD8DE}
*{box-sizing:border-box}html{overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--body);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.82;overflow-wrap:anywhere}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block}.shell{width:min(1160px,calc(100% - 40px));margin:auto}.site-header{background:rgba(255,248,248,.98);border-bottom:1px solid var(--line)}.masthead{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:800}.brand:hover{text-decoration:none}.brand-logo{max-width:160px;max-height:42px;width:auto;height:auto;object-fit:contain}.brand-fallback{font-size:25px;letter-spacing:.08em}.brand-en{font-size:13px;letter-spacing:.18em;color:var(--muted)}.mast-meta{display:flex;gap:20px;align-items:center;color:var(--muted);font-size:14px}.main-nav{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.nav-row{display:flex;align-items:center;gap:6px;min-height:52px}.nav-row a,.all-toggle{padding:11px 13px;border:1px solid transparent;border-radius:8px;color:var(--text);background:transparent;font:inherit;white-space:nowrap}.nav-row a[aria-current="page"]{color:var(--accent);border-color:var(--line)}.all-toggle{margin-left:auto;cursor:pointer}.menu-toggle,.mobile-shortcuts{display:none}.all-sections{background:#fff;border-bottom:1px solid var(--line)}.section-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:24px 0 28px}.section-grid h2{font-size:15px;margin:0 0 10px;color:var(--text)}.section-links{display:grid;gap:7px}.section-links a{color:var(--body);font-size:14px}.crumb-wrap{padding-top:24px}.crumb{font-size:13px;color:var(--muted);display:flex;gap:9px;align-items:center}.page{padding:28px 0 58px}.hero{padding:34px 0 12px}.hero h1,.page h1{font-size:clamp(28px,3vw,38px);line-height:1.25;margin:0;color:var(--text)}.lede{max-width:760px;font-size:16px;color:var(--body);margin:16px 0 0}.kicker{font-size:12px;letter-spacing:.12em;color:var(--accent);text-transform:uppercase}.section{margin-top:54px}.section h2{font-size:clamp(21px,2.2vw,27px);line-height:1.35;margin:0 0 14px;color:var(--text)}.section h3{font-size:19px;line-height:1.45;margin:0 0 8px;color:var(--text)}.section p{margin:0 0 15px}.soft{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:22px}.two-col{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,4fr);gap:32px;align-items:start}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.text-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 28px}.index-list{border-top:1px solid var(--line)}.index-item{padding:16px 0;border-bottom:1px solid var(--line)}.index-item h3{margin-bottom:6px}.media-frame{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px;display:flex;justify-content:center;align-items:center}.media-img{max-width:680px;max-height:400px;width:auto;height:auto;object-fit:contain;object-position:center}.banner-img{max-width:100%;max-height:320px;width:auto;height:auto;object-fit:contain;margin:auto}.compact-img{max-width:100%;max-height:220px;width:auto;height:auto;object-fit:contain;margin:auto}.side-img{max-width:100%;max-height:170px;width:auto;height:auto;object-fit:contain;margin:auto}.app-img{max-width:240px;max-height:360px;width:auto;height:auto;object-fit:contain;margin:auto}.icon-img{max-width:44px;max-height:44px;width:auto;height:auto;object-fit:contain}.caption{font-size:13px;color:var(--muted);margin-top:9px;text-align:center}.prose{max-width:740px}.prose h2{margin-top:44px}.prose h3{margin-top:28px}.related{margin-top:50px;padding-top:24px;border-top:1px solid var(--line)}.related-links{display:flex;flex-wrap:wrap;gap:10px}.related a{border:1px solid var(--line);padding:9px 12px;border-radius:8px;background:#fff}.faq-list details{border-top:1px solid var(--line);padding:14px 0}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{font-weight:700;color:var(--text);cursor:pointer}.site-footer{background:var(--footer);color:#f9edf0;padding:42px 0 24px}.footer-top{display:grid;grid-template-columns:1.1fr 2fr;gap:48px}.footer-brand{max-width:320px}.footer-brand strong{font-size:25px}.footer-brand span{display:block;margin-top:6px;letter-spacing:.16em;color:#e5b5c2}.footer-logo{max-width:150px;max-height:40px;width:auto;height:auto;object-fit:contain;filter:brightness(0) invert(1)}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.footer-links h2{font-size:14px;color:#fff}.footer-links a{display:block;color:#f3dbe1;margin:6px 0;font-size:14px}.footer-note{margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18);font-size:13px;color:#d9bcc4}
@media(max-width:900px){.two-col,.footer-top{grid-template-columns:1fr}.three-col{grid-template-columns:1fr}.section-grid{grid-template-columns:repeat(2,1fr)}.mast-meta{display:none}.nav-row a{display:none}.all-toggle{display:none}.menu-toggle{display:inline-flex;align-items:center;min-height:44px;padding:9px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text)}.mobile-shortcuts{display:flex;gap:20px;min-height:48px;align-items:center;border-top:1px solid var(--line)}.mobile-shortcuts a{color:var(--text)}}
@media(max-width:640px){.shell{width:calc(100% - 32px)}.masthead{min-height:76px}.section{margin-top:34px}.text-grid{grid-template-columns:1fr}.section-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.media-img{max-height:300px}.compact-img{max-height:200px}.banner-img{max-height:220px}.app-img{max-width:200px}.footer-links{grid-template-columns:1fr}.footer-top{gap:28px}.hero{padding-top:26px}}
@media(max-width:390px){.section-grid{grid-template-columns:1fr}.brand-en{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
:focus-visible{outline:3px solid #8f1f3f;outline-offset:3px}