:root{--bg:#FFF8F8;--paper:#fff;--soft:#FBE9EC;--text:#351C23;--body:#4B3037;--muted:#76545F;--accent:#C9365B;--foot:#321C24;--line:#EDD8DE;--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--body);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.82;font-size:16px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block;object-fit:contain;object-position:center}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--line)}.mast{height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:14px;color:var(--text);font-weight:700;letter-spacing:.08em}.brand 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16px;border-radius:8px;background:var(--accent);color:#fff}.button:hover{text-decoration:none;opacity:.92}:focus-visible{outline:3px solid #7d2240;outline-offset:3px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media(max-width:900px){.two-col,.three-col{grid-template-columns:1fr}.all-grid{grid-template-columns:repeat(2,1fr)}.main-nav{gap:16px}.main-nav .desktop-extra{display:none}.mast-note span{display:none}}@media(max-width:640px){body{font-size:15.5px}.container{width:calc(100% - 32px)}.mast{height:auto;min-height:76px}.mast-note{display:none}.mobile-toggle{display:inline-flex;align-items:center}.main-nav{display:none}.mobile-quick{display:flex;gap:24px;min-height:50px;align-items:center;border-top:1px solid var(--line)}.mobile-quick a{color:var(--text)}.all-grid{grid-template-columns:1fr 1fr;gap:18px}.hero{padding-top:34px}.section{padding-top:28px}.media-box.banner img{max-height:220px}.media-box img{max-height:300px}.media-box.side img{max-height:200px}.media-box.app img{max-width:200px}.footer-grid{grid-template-columns:1fr}.site-footer{margin-top:42px}}@media(max-width:400px){.all-grid{grid-template-columns:1fr}}