:root{--blue-900:#1e3a8a;--blue-700:#1d4ed8;--blue-600:#2563eb;--blue-100:#dbeafe;--blue-50:#eff6ff;--orange:#ea580c;--orange-50:#fff7ed;--green:#059669;--green-50:#ecfdf5;--ink:#0f172a;--ink-2:#334155;--muted:#64748b;--line:#e2e8f0;--bg:#f8fafc;--r:14px;--shadow:0 1px 2px #0f172a0a,0 6px 20px #0f172a12}*{box-sizing:border-box}body{color:var(--ink);-webkit-font-smoothing:antialiased;background:#fff;margin:0;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.wrap{max-width:1240px;margin:0 auto;padding:0 24px}.btn{border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:6px;padding:10px 18px;font-size:15px;font-weight:600;display:inline-flex}.btn-primary{background:var(--blue-700);color:#fff}.btn-primary:hover{background:var(--blue-600)}.btn-orange{background:var(--orange);color:#fff}.sec{padding:56px 0}.sec-alt{background:var(--bg)}.sec-head{justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:22px;display:flex}.sec-head h2{letter-spacing:-.4px;margin:0;font-size:26px}.sec-head p{color:var(--muted);margin:4px 0 0}.sec-head a{color:var(--blue-700);white-space:nowrap;font-weight:600}section[id]{scroll-margin-top:120px}.topbar{background:var(--blue-900);color:#dbeafe;font-size:13px}.topbar .wrap{justify-content:space-between;align-items:center;height:34px;display:flex}.topbar a{color:#fff;font-weight:600}header{z-index:10;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0}.hd{align-items:center;gap:24px;height:72px;display:flex}.hsearch{border:2px solid var(--blue-700);border-radius:12px;flex:1;max-width:620px;display:flex;overflow:hidden}.hsearch select{background:var(--blue-50);color:var(--blue-700);font:inherit;border:0;padding:0 10px;font-size:14px;font-weight:600}.hsearch input{font:inherit;border:0;outline:0;flex:1;padding:10px 12px;font-size:15px}.hsearch button{background:var(--blue-700);color:#fff;border:0;padding:0 18px;font-weight:600}.hd-right{color:var(--ink-2);align-items:center;gap:18px;margin-left:auto;font-size:14px;display:flex}.hd-right .ic{flex-direction:column;align-items:center;gap:1px;font-size:12px;display:flex}.hd-right .ic b{font-size:18px;font-weight:400}.pick{border:1px solid var(--line);color:var(--ink-2);background:#fff;border-radius:8px;padding:6px 10px;font-size:13px}.cats{height:44px;color:var(--ink-2);white-space:nowrap;align-items:center;gap:26px;font-size:14px;display:flex;overflow-x:auto}.cats a:hover{color:var(--blue-700)}.cats .hot{color:var(--orange);font-weight:600}.hero{padding:28px 0 8px}.hero-grid{grid-template-columns:1.6fr 1fr;gap:20px;display:grid}.banner{color:#fff;background:linear-gradient(120deg,var(--blue-900),var(--blue-700) 55%,#3b82f6);border-radius:20px;flex-direction:column;justify-content:center;min-height:340px;padding:44px;display:flex;position:relative;overflow:hidden}.banner:after{content:"";background:radial-gradient(circle,#fdba7473,#0000 65%);border-radius:50%;width:360px;height:360px;position:absolute;top:-80px;right:-80px}.banner .kick{background:#ffffff26;border-radius:99px;width:max-content;margin-bottom:14px;padding:4px 12px;font-size:13px;display:inline-block}.banner h1{letter-spacing:-1px;max-width:560px;margin:0 0 12px;font-size:42px;line-height:1.12}.banner h1 em{color:#fdba74;font-style:normal}.banner p{color:#dbeafe;max-width:520px;margin:0 0 22px;font-size:16px}.trust-row{color:#dbeafe;flex-wrap:wrap;gap:22px;margin-top:22px;font-size:13px;display:flex}.trust-row b{color:#fff}.ai{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:20px;flex-direction:column;min-height:340px;display:flex;overflow:hidden}.ai-hd{border-bottom:1px solid var(--line);align-items:center;gap:10px;padding:14px 16px;display:flex}.ai-hd .av{background:linear-gradient(135deg,var(--blue-700),var(--orange));color:#fff;border-radius:10px;place-items:center;width:34px;height:34px;display:grid}.ai-hd b{font-size:15px;display:block}.ai-hd small{color:var(--muted);font-size:12px}.ai-bd{background:var(--bg);flex-direction:column;flex:1;gap:10px;max-height:250px;padding:14px 16px;font-size:14px;display:flex;overflow:auto}.ai-ft{gap:8px;padding:12px 16px;display:flex}.ai-ft input{border:1px solid var(--line);font:inherit;border-radius:10px;outline:0;flex:1;padding:9px 12px;font-size:14px}.catgrid{grid-template-columns:repeat(8,1fr);gap:12px;margin-top:28px;display:grid}.cat{text-align:center;color:var(--ink-2);font-size:13px}.cat i{background:var(--blue-50);border-radius:18px;place-items:center;width:64px;height:64px;margin:0 auto 8px;font-size:28px;font-style:normal;transition:all .15s;display:grid}.pgrid{grid-template-columns:repeat(5,1fr);gap:16px;display:grid}.o{border:1px solid var(--line);text-align:center;background:#fff;border-radius:12px;padding:16px}.o:hover{border-color:var(--blue-700)}.o .f{font-size:30px}.o b{margin-top:4px;font-size:14px;display:block}.o span{color:var(--muted);font-size:12px}.why{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.w{border-radius:var(--r);border:1px solid var(--line);background:#fff;padding:22px}.w i{font-size:26px;font-style:normal}.w b{margin:8px 0 4px;display:block}.w p{color:var(--muted);margin:0;font-size:13px}.news{background:linear-gradient(120deg,var(--blue-900),var(--blue-700));color:#fff;border-radius:20px;justify-content:space-between;align-items:center;gap:24px;padding:36px 40px;display:flex}.news h3{margin:0 0 4px;font-size:22px}.news p{color:#dbeafe;margin:0}.news form{gap:8px;display:flex}.news input{width:280px;font:inherit;border:0;border-radius:10px;padding:11px 14px}footer{border-top:1px solid var(--line);color:var(--muted);margin-top:56px;padding:40px 0 28px;font-size:14px}.fgrid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:24px;display:grid}.fgrid h4{color:var(--ink);margin:0 0 10px;font-size:14px}.fgrid a{margin:6px 0;display:block}.seller{background:var(--blue-50);color:var(--blue-700);border-radius:10px;margin-top:12px;padding:12px 14px;font-size:13px}.seller a{font-weight:700;display:inline}.legal{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;font-size:12px}@media (max-width:1000px){.hero-grid,.fgrid{grid-template-columns:1fr}.catgrid{grid-template-columns:repeat(4,1fr)}.pgrid,.sgrid,.why{grid-template-columns:repeat(2,1fr)}.dgrid{grid-template-columns:1fr}.ogrid{grid-template-columns:repeat(3,1fr)}.hd-right .ic,.pick{display:none}.news{flex-direction:column;align-items:flex-start}.banner h1{font-size:30px}}.lang{border:1px solid var(--line);border-radius:8px;margin-left:auto;display:flex;overflow:hidden}.lang a{color:var(--muted);padding:6px 10px;font-size:13px}.lang a.on{background:var(--blue-50);color:var(--blue-700);font-weight:600}.hero-grid.one{grid-template-columns:1fr}.banner h1{max-width:760px}.banner p{max-width:640px}.sub{z-index:1;flex-wrap:wrap;gap:8px;max-width:560px;display:flex;position:relative}.sub input{min-width:220px;font:inherit;border:0;border-radius:10px;flex:1;padding:12px 14px;font-size:15px}.sub .btn[disabled]{opacity:.6;cursor:wait}.sub .hp{width:1px;height:1px;position:absolute;left:-9999px;overflow:hidden}.form-msg{z-index:1;border-radius:10px;max-width:560px;margin-top:10px;padding:10px 12px;font-size:14px;position:relative}.form-msg.ok{color:#047857;background:#ecfdf5}.form-msg.err{color:#b91c1c;background:#fef2f2}.privacy{color:#bfdbfe;margin-top:8px;font-size:12px}.cat{cursor:default}.cat:hover i{background:var(--blue-50);transform:none}.seller-band{background:var(--orange-50);border:1px solid #fed7aa;border-radius:16px;justify-content:space-between;align-items:center;gap:16px;padding:22px 26px;display:flex}.seller-band b{font-size:17px}.seller-band p{color:var(--ink-2);margin:2px 0 0;font-size:14px}.fgrid.two{grid-template-columns:1.6fr 1fr}@media (max-width:1000px){.seller-band{flex-direction:column;align-items:flex-start}}