:root{--bg:#F3FBFA;--deep:#E4F4F1;--card:#FFFFFF;--soft:#D4EFEC;--title:#0D2E2B;--text:#163834;--muted:#4A706C;--aux:#6A8E89;--brand:#0E9A88;--bright:#1EC8B6;--dark:#0A6B5E;--porcelain:#F7FFFE;--border:rgba(14,154,136,.16);--strong-border:rgba(14,154,136,.42);--shadow:0 12px 28px rgba(10,107,94,.08);--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.skip-link{position:fixed;left:12px;top:-70px;z-index:200;background:var(--card);color:var(--dark);padding:10px 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img{width:100%;height:100%;object-fit:contain;object-position:center}.logo-slot-small{width:92px;height:32px;border-radius:8px;overflow:hidden}.brand-home .logo-slot:empty{display:none}.brand-home .logo-slot:not(:empty)+.brand-fallback{display:none}.box-button{justify-self:center;min-width:84px;min-height:44px;border:1px solid var(--strong-border);background:var(--porcelain);color:var(--dark);border-radius:11px;font-weight:700}.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:11px;background:linear-gradient(135deg,#1EC8B6 0%,#0E9A88 55%,#0A6B5E 100%);color:#fff;font-weight:700}.mirror-tabs{position:fixed;top:82px;left:0;right:0;height:40px;z-index:80;background:var(--porcelain);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:center;gap:8px}.mirror-tabs a{display:flex;align-items:center;height:30px;padding:0 16px;border-radius:9px;color:var(--dark);font-size:13px}.mirror-tabs a.is-active{background:var(--brand);color:#fff}.site-main{max-width:var(--max);margin:0 auto;padding:150px 16px 64px}.page-hero{margin-bottom:24px}.eyebrow{font-size:13px;color:var(--brand);font-weight:800;letter-spacing:.08em}.page-hero h1,.cover-copy h1{font-size:24px;line-height:1.3;color:var(--title);margin:8px 0 12px}.page-hero p,.cover-copy p{margin:0;color:var(--muted);max-width:820px}.image-slot{width:100%;background:var(--porcelain);border:1px solid var(--border);border-radius:14px;display:grid;place-items:center;overflow:hidden}.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.banner-slot{height:260px}.section-image{height:200px}.card-image{height:180px}.app-image{height:360px;max-width:440px}.cover{display:grid;gap:18px;margin-bottom:34px}.cover-copy{padding:0 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0;padding-left:20px}.article li+li{margin-top:8px}.index-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.index-link{display:block;background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px}.index-link strong{display:block;color:var(--title);margin-bottom:6px}.index-link span{color:var(--muted)}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.faq-item h2{font-size:16px;margin:0 0 8px;color:var(--title)}.faq-item p{margin:0;color:var(--text)}.site-footer{background:var(--dark);color:#D4EFEC;border-top:1px solid rgba(247,255,254,.24);font-size:13px}.footer-inner{max-width:var(--max);margin:0 auto;padding:28px 16px 76px}.footer-brand{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid rgba(247,255,254,.2)}.footer-brand .logo-slot{background:#fff}.footer-brand strong{display:block;color:#fff;font-size:16px}.footer-brand 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span{color:var(--muted)}.search-layer{position:fixed;top:82px;left:0;right:0;z-index:108;visibility:hidden;pointer-events:none;transform:translateY(-14px);opacity:0;transition:.18s}.search-layer.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-card{max-width:760px;margin:12px auto;background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.search-head h2{font-size:18px;margin:0;color:var(--title)}.search-card p{color:var(--muted)}.preset-links{display:flex;flex-wrap:wrap;gap:10px}.preset-links a{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:10px;background:var(--deep);color:var(--dark);font-weight:700}.mobile-bottom{display:none}.lock-scroll{overflow:hidden}.muted{color:var(--muted)}@media(max-width:780px){.screenbar{padding:0 16px;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr)}.brand-home{min-width:0}.logo-slot-small{width:72px}.brand-home .brand-fallback{white-space:nowrap}.app-link{padding:0 10px;white-space:nowrap}.box-button{min-width:68px}.mirror-tabs{display:none}.site-main{padding-top:108px;padding-bottom:82px}.cards-3,.cards-2,.number-grid,.index-list{grid-template-columns:1fr}.shelf-row{grid-template-columns:1fr;gap:4px}.banner-slot{height:260px}.section-image{height:190px}.card-image{height:180px}.app-image{height:340px}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-inner{padding-bottom:86px}.drawer{max-height:78vh}.drawer-body{max-height:calc(78vh - 62px)}.drawer-group a{grid-template-columns:90px 1fr}.search-layer{top:0;bottom:0;background:var(--dark);padding:70px 16px 70px}.search-card{margin:0 auto;background:transparent;border:0;box-shadow:none;color:#fff}.search-head h2,.search-card p{color:#fff}.search-card .close-button{background:var(--porcelain)}.preset-links a{background:rgba(255,255,255,.12);border:1px solid 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.mt-14{margin-top:14px}.icon-preview{width:70px;height:70px;margin-bottom:14px}