:root{--bg:#F4FAFC;--deep:#fff;--soft:#E7F3F6;--title:#0E3A46;--text:#24505A;--muted:#4A7380;--aux:#7A9AA4;--sea:#1A7F8F;--bright:#2BB3C4;--deepsea:#0F5B68;--pale:#D7EEF2;--border:rgba(26,127,143,.16);--shadow:0 14px 34px rgba(14,58,70,.08);--max:1200px;--header:72px}*{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",Arial,sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(43,179,196,.35);outline-offset:3px}img{display:block;width:100%;height:auto;max-width:100%;object-fit:contain;object-position:center}.site-header{position:fixed;z-index:80;top:0;left:0;right:0;height:var(--header);background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(14px)}.header-inner{height:100%;max-width:var(--max);margin:0 auto;padding:0 20px;display:grid;grid-template-columns:minmax(150px,210px) 1fr auto;align-items:center;gap:18px}.brand{display:flex;align-items:center;min-width:0}.brand-logo{display:flex;align-items:center;min-width:0}.logo-img{height:34px;width:auto;max-width:180px}.brand-text{font-size:23px;font-weight:800;color:var(--title);letter-spacing:.04em}.main-nav{display:flex;justify-content:center;align-items:center;gap:clamp(12px,2vw,26px);white-space:nowrap}.main-nav a{position:relative;padding:24px 0 20px;color:var(--muted);font-weight:650}.main-nav a:hover,.main-nav a.active{color:var(--sea)}.main-nav a.active:after{content:"";position:absolute;left:15%;right:15%;bottom:13px;height:3px;border-radius:3px;background:var(--bright)}.header-actions{display:flex;align-items:center;gap:8px}.icon-button,.app-link,.close-button{min-height:44px;border-radius:12px;border:1px solid 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0;font-size:14px}.footer-note,.copyright{color:#aac8ce;font-size:14px}.overlay{position:fixed;z-index:90;inset:0;background:rgba(3,27,33,.5);visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.overlay.is-open{visibility:visible;opacity:1;pointer-events:auto}.category-drawer{position:fixed;z-index:100;top:0;right:0;bottom:0;width:min(440px,90vw);background:#fff;box-shadow:-20px 0 60px rgba(14,58,70,.18);transform:translateX(104%);visibility:hidden;pointer-events:none;transition:.25s ease;overflow:auto}.category-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:#fff;display:flex;justify-content:space-between;align-items:center;padding:18px;border-bottom:1px solid var(--border);z-index:2}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title)}.drawer-logo{height:30px;width:auto;max-width:150px}.drawer-groups{padding:6px 18px 26px}.drawer-groups section{padding:18px 0;border-bottom:1px solid var(--border)}.drawer-groups h2{margin:0 0 10px;color:var(--title);font-size:17px}.drawer-groups a{display:block;padding:9px 0}.drawer-groups strong{display:block;color:var(--deepsea)}.drawer-groups span{display:block;color:var(--muted);font-size:14px;line-height:1.65}.search-panel{position:fixed;z-index:105;top:var(--header);left:0;right:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow);visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-10px);transition:.2s}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:translateY(0)}.search-inner{max-width:var(--max);margin:0 auto;padding:24px 20px 30px}.search-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.search-head h2{margin:0;color:var(--title)}.search-box{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:12px;border:1px solid var(--border);border-radius:14px;padding:10px 14px;margin:16px 0}.search-box span{font-weight:800;color:var(--deepsea)}.search-box input{width:100%;border:0;outline:0;font:inherit;color:var(--text);min-height:38px}.search-links{display:flex;gap:10px;flex-wrap:wrap}.search-links a{padding:10px 13px;background:var(--pale);border-radius:10px;color:var(--deepsea);font-weight:700}.mobile-bottom{display:none}.home-banner img{max-height:420px}.home-intro{padding-top:32px}.lead-split{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}.lead-split .short-list{display:grid;gap:14px}.quote-block{font-size:22px;line-height:1.65;color:var(--title);border-left:4px solid var(--bright);padding-left:22px}.compact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.image-narrow{max-width:420px;margin:auto}.app-visual img{max-height:440px;width:auto;margin:0 auto}.icon-visual img{width:72px;height:auto;margin:0 auto}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.brand-story{max-width:860px}
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@media(max-width:700px){:root{--header:64px}.header-inner{padding:0 16px;gap:8px}.logo-img{height:30px;max-width:135px}.brand-text{font-size:20px}.header-actions{gap:6px}.icon-button{padding:0 11px}.page-shell{padding:22px 16px 88px}.context-wrap{padding:20px 16px 0}.hero{padding:20px 0 40px;gap:26px}.hero h1,.page-intro h1{font-size:30px}.section{padding:44px 0}.section-head{display:block}.section-head p{margin-top:10px}.feature-grid,.columns-3,.compact-grid,.service-grid{grid-template-columns:1fr}.columns-4{grid-template-columns:1fr}.plain-list a,.plain-list .list-item{grid-template-columns:1fr;gap:5px}.step-flow{grid-template-columns:1fr}.footer-brand{display:block}.footer-brand p{margin-top:18px}.footer-groups{grid-template-columns:repeat(2,1fr);gap:20px}.site-footer{padding-bottom:calc(82px + env(safe-area-inset-bottom))}.mobile-bottom{display:grid;position:fixed;z-index:70;left:0;right:0;bottom:0;grid-template-columns:repeat(5,1fr);height:calc(52px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.98);border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:52px;font-size:13px;color:var(--muted);font-weight:800}.mobile-bottom a.active{color:var(--sea);background:var(--pale)}.search-panel{top:var(--header)}.search-inner{padding:18px 16px 24px}.search-links{display:grid;grid-template-columns:repeat(2,1fr)}.category-drawer{width:min(90vw,420px)}.wide-media{padding:8px}.hero-media{padding:8px}}