:root{--bg:#f7f9fc;--surface:#fff;--surface-2:#f1f5f9;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--primary:#4f46e5;--primary-600:#4338ca;--primary-50:#eef2ff;--accent:#06b6d4;--success:#16a34a;--radius:14px;--radius-sm:10px;--shadow:0 1px 3px #0f172a14, 0 8px 24px #0f172a0f;--shadow-lg:0 12px 40px #4f46e52e;--maxw:1180px;--header-h:64px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}.btn{cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:999px;align-items:center;gap:8px;padding:11px 20px;font-size:15px;font-weight:600;transition:transform .15s,box-shadow .15s,background .15s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-lg)}.btn-primary:hover{background:var(--primary-600)}.btn-outline{color:var(--primary);border-color:var(--primary);background:0 0}.btn-outline:hover{background:var(--primary-50)}.btn-ghost{background:var(--surface-2);color:var(--text)}.btn-ghost:hover{background:#e2e8f0}.btn-block{justify-content:center;width:100%}.site-header{z-index:50;backdrop-filter:saturate(180%)blur(10px);border-bottom:1px solid var(--border);background:#ffffffd9;position:sticky;top:0}.site-header .inner{height:var(--header-h);justify-content:space-between;align-items:center;gap:16px;display:flex}.brand{align-items:center;gap:10px;font-size:18px;font-weight:700;display:flex}.brand img{border-radius:8px;width:30px;height:30px}.nav{align-items:center;gap:4px;display:flex}.nav a{color:var(--muted);border-radius:999px;padding:8px 14px;font-size:15px;font-weight:500}.nav a:hover{color:var(--text);background:var(--surface-2)}.nav a.active{color:var(--primary);background:var(--primary-50)}.header-actions{align-items:center;gap:10px;display:flex}.lang-switcher{position:relative}.lang-switcher>button{background:var(--surface);border:1px solid var(--border);cursor:pointer;color:var(--text);border-radius:999px;align-items:center;gap:6px;padding:7px 12px;font-size:14px;display:inline-flex}.lang-switcher>button:hover{border-color:var(--primary)}.lang-menu{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px;min-width:150px;padding:6px;display:none;position:absolute;top:calc(100% + 8px);right:0}.lang-switcher.open .lang-menu{display:block}.lang-menu a{color:var(--text);border-radius:8px;justify-content:space-between;align-items:center;padding:9px 12px;font-size:14px;display:flex}.lang-menu a:hover{background:var(--surface-2)}.lang-menu a.active{color:var(--primary);font-weight:600}.hero{border-bottom:1px solid var(--border);background:linear-gradient(135deg,#eef2ff 0%,#ecfeff 100%)}.hero .inner{text-align:center;padding:72px 20px 64px}.hero .kicker{letter-spacing:.06em;text-transform:uppercase;color:var(--primary);box-shadow:var(--shadow);background:#fff;border-radius:999px;margin-bottom:18px;padding:6px 14px;font-size:13px;font-weight:700;display:inline-block}.hero h1{margin:0 0 16px;font-size:clamp(30px,5vw,48px);font-weight:800;line-height:1.15}.hero p{color:var(--muted);max-width:640px;margin:0 auto 28px;font-size:clamp(16px,2.2vw,19px)}.hero .actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.section{padding:64px 0}.section-head{text-align:center;margin-bottom:40px}.section-head h2{margin:0 0 8px;font-size:clamp(24px,3.5vw,34px);font-weight:800}.section-head p{color:var(--muted);margin:0}.cat-grid{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px;display:grid}.cat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-align:center;padding:22px;transition:box-shadow .15s,transform .15s,border-color .15s}.cat-card:hover{box-shadow:var(--shadow);border-color:var(--primary);transform:translateY(-2px)}.cat-card .icon{font-size:30px}.cat-card .name{margin-top:8px;font-weight:600}.brand-card .icon-logo{justify-content:center;align-items:center;height:40px;display:flex}.brand-card .icon-logo img{object-fit:contain;max-width:120px;max-height:40px}.product-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px;display:grid}.product-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;transition:box-shadow .15s,transform .15s;display:flex;position:relative;overflow:hidden}.product-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}.product-card .thumb{aspect-ratio:4/3;background:var(--surface-2);justify-content:center;align-items:center;display:flex;overflow:hidden}.product-card .thumb img{object-fit:cover;width:100%;height:100%}.product-card .body{flex-direction:column;flex:1;gap:8px;padding:16px 18px 18px;display:flex}.product-card .cat-badge{color:var(--primary);background:var(--primary-50);border-radius:999px;align-self:flex-start;padding:3px 10px;font-size:12px;font-weight:600}.product-card .brand-badge{color:var(--accent);background:#ecfeff;border-radius:999px;align-self:flex-start;padding:3px 10px;font-size:12px;font-weight:600}.product-card h3{margin:0;font-size:17px;font-weight:700}.product-card p{color:var(--muted);flex:1;margin:0;font-size:14px}.product-card .more{color:var(--primary);font-size:14px;font-weight:600}.filter-bar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:28px;display:flex}.search-box{flex:1;min-width:220px;position:relative}.search-box input{border:1px solid var(--border);background:var(--surface);border-radius:999px;width:100%;padding:11px 14px 11px 38px;font-size:15px}.search-box input:focus{border-color:var(--primary);outline:none}.search-box .ico{color:var(--muted);position:absolute;top:50%;left:14px;transform:translateY(-50%)}.chip{border:1px solid var(--border);background:var(--surface);cursor:pointer;color:var(--text);white-space:nowrap;border-radius:999px;padding:9px 16px;font-size:14px}.chip:hover{border-color:var(--primary);color:var(--primary)}.chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}.chip-sep{background:var(--border);width:1px;height:22px;margin:0 2px}.no-results{text-align:center;color:var(--muted);padding:40px}.detail{grid-template-columns:1.1fr 1fr;align-items:start;gap:40px;display:grid}.carousel{border-radius:var(--radius);aspect-ratio:1;background:#fff;position:relative;overflow:hidden}.carousel .car-track{touch-action:pan-y;height:100%;transition:transform .35s cubic-bezier(.25,.8,.35,1);display:flex}.carousel .car-track img{object-fit:contain;user-select:none;-webkit-user-drag:none;flex:0 0 100%;width:100%;height:100%}.carousel .car-btn{cursor:pointer;color:#0f172a;background:#ffffffe0;border:none;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;transition:background .15s,opacity .15s;display:flex;position:absolute;top:50%;transform:translateY(-50%);box-shadow:0 2px 8px #0f172a2e}.carousel .car-btn:hover{background:#fff}.carousel .car-btn.prev{left:12px}.carousel .car-btn.next{right:12px}.carousel .car-dots{backdrop-filter:blur(2px);pointer-events:none;background:#0f172a59;border-radius:999px;gap:7px;padding:6px 10px;display:flex;position:absolute;bottom:12px;left:50%;transform:translate(-50%)}.carousel .car-dot{cursor:pointer;pointer-events:auto;background:#ffffff8c;border:none;border-radius:50%;width:8px;height:8px;padding:0;transition:background .15s,transform .15s}.carousel .car-dot.active{background:#fff;transform:scale(1.15)}.detail h1{margin:0 0 8px;font-size:30px;font-weight:800}.detail .cat-badge{color:var(--primary);background:var(--primary-50);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:600;display:inline-block}.detail .brand-badge{color:var(--accent);background:#ecfeff;border-radius:999px;margin-left:8px;padding:4px 12px;font-size:13px;font-weight:600;display:inline-block}.detail .summary{color:var(--muted);margin:12px 0 20px;font-size:17px}.detail .actions{flex-wrap:wrap;gap:12px;margin:20px 0;display:flex}.specs{border-top:1px solid var(--border);margin-top:24px;padding-top:20px}.specs h3{margin:0 0 12px;font-size:18px}.specs table{border-collapse:collapse;width:100%}.specs td{border-bottom:1px solid var(--border);padding:9px 0;font-size:15px}.specs td:first-child{color:var(--muted);width:45%}.detail .desc{margin-top:24px}.detail .desc h3{margin:0 0 8px;font-size:18px}.detail .desc p{color:#334155}.block{margin-top:56px}.block h2{margin:0 0 20px;font-size:24px}.gal-label{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:14px 0 8px;font-size:12px;font-weight:600}.highlights .hl-grid{flex-direction:column;gap:22px;display:flex}.highlights .hl-grid img{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface-2);width:100%;height:auto;display:block}.specs-block table{border-collapse:collapse;width:100%}.specs-block td{border-bottom:1px solid var(--border);padding:10px 0;font-size:15px}.specs-block td:first-child{color:var(--muted);width:45%}@media (width>=900px){.specs-block table{max-width:860px}}.stats{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;display:grid}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-align:center;padding:22px}.stat .big{color:var(--primary);font-size:18px;font-weight:700}.form-card,.info-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}.field{margin-bottom:16px}.field label{margin-bottom:6px;font-size:14px;font-weight:600;display:block}.field input,.field select,.field textarea{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);width:100%;padding:11px 14px;font-family:inherit;font-size:15px}.field textarea{resize:vertical;min-height:120px}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);outline:none}.form-note{color:var(--muted);margin-top:10px;font-size:13px}.form-status{border-radius:var(--radius-sm);margin-top:16px;padding:12px 14px;font-size:14px;display:none}.form-status.ok{color:#166534;background:#dcfce7;display:block}.form-status.err{color:#991b1b;background:#fee2e2;display:block}.contact-grid{grid-template-columns:1.4fr 1fr;align-items:start;gap:28px;display:grid}.info-list{margin:0;padding:0;list-style:none}.info-list li{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:12px 0;display:flex}.info-list .ic{font-size:20px}.site-footer{color:#cbd5e1;background:#0f172a;margin-top:40px;padding:48px 0 28px}.site-footer a{color:#cbd5e1}.site-footer a:hover{color:#fff}.footer-grid{grid-template-columns:2fr 1fr 1fr;gap:30px;display:grid}.site-footer .brand{color:#fff;font-size:20px}.site-footer h4{color:#fff;margin:0 0 14px;font-size:15px}.site-footer ul{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.footer-bottom{color:#94a3b8;border-top:1px solid #1e293b;margin-top:32px;padding-top:18px;font-size:13px}.wa-float{z-index:60;color:#fff;background:#25d366;border-radius:999px;align-items:center;gap:8px;padding:12px 18px;font-weight:600;transition:transform .15s;display:inline-flex;position:fixed;bottom:20px;right:20px;box-shadow:0 8px 24px #25d36666}.wa-float:hover{color:#fff;transform:translateY(-2px)}.wa-float .ic{font-size:20px}.back-link{color:var(--muted);align-items:center;gap:6px;margin-bottom:18px;font-size:14px;display:inline-flex}.back-link:hover{color:var(--primary)}.menu-toggle{border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:10px;padding:8px 12px;font-size:18px;display:none}@media (width<=860px){.detail,.contact-grid,.footer-grid{grid-template-columns:1fr}.footer-grid{gap:24px}.menu-toggle{display:inline-block}.nav{top:var(--header-h);background:var(--surface);border-bottom:1px solid var(--border);flex-direction:column;align-items:stretch;padding:10px 20px 16px;display:none;position:absolute;left:0;right:0}.nav.open{display:flex}.nav a{padding:12px 14px}}@media (width<=560px){.hero .inner{padding:52px 16px 44px}.section{padding:44px 0}}