:root{--primary:#4f46e5;--primary-dark:#4338ca;--bg:#fff;--surface:#fff;--text:#1f2937;--text-soft:#374151;--gray:#6b7280;--border:#e5e7eb;--soft-bg:#eef2ff;--shadow:#00000014;--icon-bg:#eef2ff}[data-theme=dark]{--primary:#818cf8;--primary-dark:#a5b4fc;--bg:#0f172a;--surface:#1e293b;--text:#e2e8f0;--text-soft:#cbd5e1;--gray:#94a3b8;--border:#334155;--soft-bg:#1e293b;--shadow:#0006;--icon-bg:#334155}*{box-sizing:border-box;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif}body{background:var(--bg);color:var(--text);scroll-behavior:smooth;line-height:1.6;transition:background .3s,color .3s}[data-theme=dark] .hero{background:linear-gradient(135deg,#1e293b,#0f172a)}[data-theme=dark] .card,[data-theme=dark] .sidebar{background:var(--surface)}header{box-sizing:border-box;color:#fff;z-index:100;border-bottom:1px solid #0000;justify-content:space-between;align-items:center;width:100%;padding:1rem 2rem;transition:background .22s,border-color .22s,box-shadow .22s,color .22s;display:flex;position:fixed;top:0;left:0;right:0}header:not(.scrolled){-webkit-backdrop-filter:none;backdrop-filter:none;color:#fff;background:0 0;border-bottom-color:#0000}header.scrolled{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);color:var(--text);background:#fffffff5;box-shadow:0 4px 18px #0000000f}[data-theme=dark] header:not(.scrolled){color:#e2e8f0;background:0 0}[data-theme=dark] header.scrolled{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);color:var(--text);background:#0f172aeb;box-shadow:0 4px 18px #00000040}.logo{color:inherit;align-items:center;text-decoration:none;display:flex}.logo .logo-shell{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffffc7;border:1px solid #0000000f;border-radius:12px;justify-content:center;align-items:center;padding:.28rem .5rem;transition:background .22s,box-shadow .22s,border-color .22s,padding .22s;display:inline-flex;box-shadow:0 4px 14px #00000014}.logo img{-o-object-fit:contain;object-fit:contain;border-radius:0;flex-shrink:0;width:auto;height:auto;max-height:46px;display:block}header.scrolled .logo .logo-shell{box-shadow:none;background:0 0;border-color:#0000;padding:.1rem .2rem}header>nav{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}nav ul{gap:1.5rem;margin:0;padding:0;list-style:none;display:flex}nav a{color:inherit;font-size:.95rem;text-decoration:none;transition:opacity .2s,color .2s}nav a:hover{color:var(--primary);opacity:.8}.menu-btn{color:inherit;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;padding:.25rem .45rem;font-size:1.5rem;display:none}header:not(.scrolled) .menu-btn,header:not(.scrolled) .theme-btn{color:inherit;background:#ffffff14;border-color:#ffffff59}header.scrolled .menu-btn,header.scrolled .theme-btn{background:var(--surface);border:1px solid 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2rem}.btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:.75rem 1.5rem;font-weight:500;text-decoration:none;transition:background .2s;display:inline-block}.btn:hover{background:var(--primary-dark)}.section{max-width:1100px;margin:0 auto;padding:4rem 2rem}.section h2{text-align:center;margin-bottom:.5rem;font-size:1.8rem}.section .sub{color:var(--gray);text-align:center;margin-bottom:2.5rem}.grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;display:grid}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:2rem;transition:all .3s}.card:hover{transform:translateY(-4px);box-shadow:0 10px 25px #00000014}.card h3{margin-bottom:.5rem}.card p{color:var(--gray);font-size:.95rem}.contact-wrap{grid-template-columns:1fr 1fr;align-items:start;gap:2rem;display:grid}.contact-info{flex-direction:column;gap:1.2rem;display:flex}.info-item{align-items:flex-start;gap:.8rem;display:flex}.info-item .icon{background:var(--icon-bg);color:var(--primary);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.1rem;display:flex}.info-item h4{margin-bottom:.15rem;font-size:.95rem}.info-item span{color:var(--gray);font-size:.88rem}.info-item .info-col{flex-direction:column;flex:1;gap:.35rem;min-width:0;display:flex}.info-item.info-item-address{align-items:stretch}.info-item.info-item-address .info-col{gap:.6rem}.amap-wrap{width:100%}.amap-container{border:1px solid var(--border);border-radius:12px}.amap-container,.amap-svg-wrap{background:var(--surface-muted);overflow:hidden}.amap-svg-wrap{border:1px dashed var(--border);border-radius:12px;padding:0}.qr-card{background:var(--icon-bg);border:1px solid var(--border);border-radius:12px;align-items:center;gap:1rem;padding:1rem;display:flex}.qr-card img{border:1px solid 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solid var(--border);color:var(--gray);text-align:center;padding:2rem;font-size:.9rem}.footer-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:.6rem;display:inline-flex}.footer-row .sep{opacity:.55;margin:0 .1rem}.icp-link{color:inherit;border-bottom:1px dashed;padding-bottom:1px;text-decoration:none;transition:color .15s,border-color .15s,opacity .15s}.icp-link:hover{border-bottom-color:var(--primary);color:var(--primary);opacity:1}@media (width<=480px){.footer-row{flex-direction:column;gap:.3rem}.footer-row .sep{display:none}}.overlay{opacity:0;visibility:hidden;z-index:150;background:#0006;transition:opacity .3s;position:fixed;inset:0}.overlay.active{opacity:1;visibility:visible}.sidebar{background:var(--surface);box-shadow:-8px 0 25px var(--shadow);z-index:200;flex-direction:column;gap:1rem;width:260px;height:100vh;padding:4rem 1.5rem 2rem;transition:transform .3s;display:flex;position:fixed;top:0;right:0;transform:translate(100%)}.sidebar a{border-bottom:1px solid var(--border)}.sidebar.active{transform:translate(0)}.sidebar a{color:var(--text);border-bottom:1px solid #f1f3f6;padding:.6rem .4rem;font-size:1.05rem;text-decoration:none}.sidebar a:hover{color:var(--primary)}.sidebar .close-btn{color:var(--gray);cursor:pointer;background:0 0;border:none;font-size:1.6rem;position:absolute;top:1rem;right:1rem}.biz-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;display:grid}.biz-card{background:var(--surface);border:1px solid var(--border);text-align:left;border-radius:14px;padding:2rem 1.5rem;transition:all .3s;position:relative;overflow:hidden}.biz-card:hover{border-color:var(--primary);box-shadow:0 12px 30px var(--shadow);transform:translateY(-4px)}.biz-card .biz-icon{background:var(--icon-bg);color:var(--primary);border-radius:12px;justify-content:center;align-items:center;width:52px;height:52px;margin-bottom:1rem;font-size:1.5rem;display:flex}.biz-card h3{margin-bottom:.5rem;font-size:1.2rem}.biz-card p{color:var(--gray);font-size:.92rem}.biz-card .biz-tag{background:var(--soft-bg);color:var(--primary);border-radius:20px;padding:.25rem .6rem;font-size:.72rem;font-weight:600;position:absolute;top:1rem;right:1rem}.prod-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;display:grid}.prod-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;flex-direction:column;padding:0;transition:all .3s;display:flex;overflow:hidden}.prod-card:hover{box-shadow:0 14px 35px var(--shadow);transform:translateY(-5px)}.prod-cover{color:#fff;justify-content:center;align-items:center;height:130px;font-size:2.4rem;display:flex}.prod-card.p1 .prod-cover{background:linear-gradient(135deg,#4f46e5,#7c3aed)}.prod-card.p2 .prod-cover{background:linear-gradient(135deg,#0ea5a0,#2563eb)}.prod-body{flex-direction:column;flex:1;padding:1.5rem;display:flex}.prod-body .prod-name{margin-bottom:.35rem;font-size:1.25rem;font-weight:700}.prod-body .prod-en{color:var(--primary);letter-spacing:1px;margin-bottom:.8rem;font-size:.8rem;font-weight:600}.prod-body p{color:var(--gray);flex:1;font-size:.92rem}.prod-body .prod-feat{margin:.9rem 0;padding:0;list-style:none}.prod-body .prod-feat li{color:var(--text-soft);padding:.25rem 0 .25rem 1.2rem;font-size:.85rem;position:relative}.prod-body .prod-feat li:before{color:var(--primary);content:"✓";font-weight:700;position:absolute;left:0}.prod-body .btn{align-self:flex-start;margin-top:.3rem}@media (width<=768px){nav ul{display:none}.menu-btn{display:block}.contact-wrap,.row{grid-template-columns:1fr}}