:root{--blue-800:#083f6e;--blue-700:#0b5c9e;--blue-600:#0e6db5;--blue-500:#2e8bd4;--blue-300:#8ec6ec;--sky:#eaf4fc;--sky-2:#f4fafe;--green:#5aa326;--green-600:#4e8f21;--orange:#f39a00;--ink:#12293c;--ink-2:#3c556b;--muted:#6a819a;--line:#dce8f3;--line-2:#c7dbeb;--paper:#ffffff;--bg:#f3f8fd;--shadow:0 18px 40px -28px rgba(11,60,110,.45);--red:#c9463a;--sans:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;--cn:"Microsoft YaHei","PingFang SC",var(--sans);--mono:"SFMono-Regular","JetBrains Mono",ui-monospace,Menlo,Consolas,monospace}.mono{font-family:var(--mono)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.55;-webkit-font-smoothing:antialiased}.wrap{max-width:1180px;margin:0 auto;padding:0 24px}a{color:var(--blue-600);text-decoration:none}h1,h2,h3{margin:0;line-height:1.15;font-weight:700;letter-spacing:-.01em}.cn{font-family:var(--cn)}.strip{background:var(--blue-800);color:#cfe4f6;font-size:12px}.strip .wrap{display:flex;justify-content:space-between;align-items:center;height:34px;gap:16px}.strip .cn{color:#eaf4fc}.strip .lang{display:flex;gap:4px}.strip .lang span{background:none;border:1px solid rgba(255,255,255,.2);color:#cfe4f6;border-radius:20px;font-size:11px;padding:2px 9px}.strip .lang span.on{background:#fff;color:var(--blue-800);border-color:#fff}header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}header .wrap{gap:24px;height:74px}.brand,header .wrap{display:flex;align-items:center}.brand{gap:12px}.logo{width:46px;height:46px;flex:none}.brand .txt{display:flex;flex-direction:column;line-height:1.1}.brand .en{font-weight:800;font-size:18px;color:var(--blue-700);letter-spacing:.01em}.brand .zh{font-size:12px;color:var(--muted);font-family:var(--cn)}nav{margin-left:auto;display:flex;gap:26px}nav a{color:var(--ink-2);font-size:14.5px;font-weight:500;padding:6px 0;position:relative;cursor:pointer}nav a.active,nav a:hover{color:var(--blue-700)}nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--blue-600);border-radius:2px}.verify-btn{background:var(--blue-600);color:#fff;padding:9px 16px;border-radius:8px;font-size:14px;font-weight:600}.verify-btn:hover{background:var(--blue-700)}@media (max-width:860px){nav{display:none}}.hero{position:relative;overflow:hidden;background:radial-gradient(120% 90% at 85% -10%,var(--sky) 0,transparent 55%),linear-gradient(180deg,var(--sky-2),var(--bg) 78%)}.hero:after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;background-image:radial-gradient(var(--line) 1px,transparent 1px);background-size:26px 26px;-webkit-mask-image:radial-gradient(80% 70% at 80% 10%,#000,transparent 70%);mask-image:radial-gradient(80% 70% at 80% 10%,#000,transparent 70%)}.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;padding:64px 24px 60px;align-items:center}@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:28px;padding:44px 24px}}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-600);display:flex;align-items:center;gap:10px}.eyebrow:before{content:"";width:26px;height:2px;background:var(--green);border-radius:2px}h1.head{font-size:clamp(30px,4.4vw,46px);margin:16px 0 0;color:var(--ink);max-width:15ch;text-wrap:balance}.sub{margin:18px 0 0;color:var(--ink-2);font-size:16.5px;max-width:52ch}.zh-tag{margin-top:14px;font-family:var(--cn);color:var(--muted);font-size:14px;letter-spacing:.04em}.hchips{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.hchip{display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:var(--blue-700);background:var(--paper);border:1px solid var(--line-2);border-radius:999px;padding:7px 13px}.hchip svg{color:var(--green-600)}.submit{background:var(--blue-800);color:#eaf4fc}.submit .wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:56px 24px;align-items:center}@media (max-width:820px){.submit .wrap{grid-template-columns:1fr;gap:28px}}.submit .k{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#7fc8f5}.submit h2{font-size:clamp(24px,3vw,32px);margin:10px 0 12px;color:#fff}.submit p{color:#c6ddf0;font-size:15.5px;margin:0}.rulecard{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:26px}.rulecard .big{font-size:22px;font-weight:800;color:#fff;display:flex;align-items:center;gap:12px}.rulecard .big span{background:var(--orange);color:#3a2500;border-radius:8px;padding:2px 10px;font-size:20px}.rulecard ul{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:11px}.rulecard li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#d6e7f5}.rulecard li svg{color:#7fd0a0;flex:none;margin-top:2px}.rulecard .cta{margin-top:20px;background:#fff;color:var(--blue-800);border:none;border-radius:10px;padding:12px 20px;font-size:14.5px;font-weight:700;cursor:pointer}.vcard{background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:24px}.vcard h3{font-size:16px;color:var(--ink)}.vcard .lead{font-size:13px;color:var(--muted);margin:4px 0 16px}.vrow{display:flex;gap:10px}.vrow input{flex:1 1;min-width:0;border:1px solid var(--line-2);background:var(--sky-2);color:var(--ink);border-radius:10px;padding:13px 14px;font-size:15px;font-family:var(--sans)}.vrow input:focus{outline:2px solid var(--blue-300);border-color:var(--blue-500)}.vrow button{background:var(--blue-600);color:#fff;border:none;border-radius:10px;padding:0 20px;font-size:15px;font-weight:600;cursor:pointer}.vrow button:hover{background:var(--blue-700)}.vhint{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:12.5px;color:var(--muted)}.vresult{margin-top:14px;border-top:1px dashed var(--line-2);padding-top:14px;display:none}.vresult.show{display:block}.vresult .ok{display:flex;align-items:center;gap:8px;color:var(--green-600);font-weight:700;font-size:14px}.vresult .grid{margin-top:10px;display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:13px}.vresult .grid b{color:var(--muted);font-weight:500}.stats{background:var(--blue-700);color:#eaf4fc}.stats .wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding:22px 24px}@media (max-width:760px){.stats .wrap{grid-template-columns:repeat(2,1fr);gap:18px 8px}}.stat .n{font-size:26px;font-weight:800;color:#fff;letter-spacing:-.02em}.stat .l{font-size:12px;color:#bcdcf3;margin-top:2px}.stat{border-left:1px solid rgba(255,255,255,.16);padding-left:16px}.stat:first-child{border-left:none}@media (max-width:760px){.stat{border-left:none}}section.block{padding:64px 0}.shead{text-align:center;max-width:60ch;margin:0 auto 40px}.shead .k{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--green-600)}.shead h2{font-size:clamp(24px,3vw,34px);margin:10px 0 0;color:var(--ink)}.shead p{color:var(--ink-2);margin:12px 0 0;font-size:15.5px}.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}@media (max-width:820px){.steps3{grid-template-columns:1fr}}.step{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:26px 22px;position:relative}.step .num{width:34px;height:34px;border-radius:9px;background:var(--sky);color:var(--blue-700);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}.step h3{font-size:17px;margin:14px 0 6px;color:var(--ink)}.step p{margin:0;color:var(--ink-2);font-size:14px}.step .ico{position:absolute;top:24px;right:22px;color:var(--blue-300)}.prods{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}@media (max-width:900px){.prods{grid-template-columns:repeat(2,1fr)}}@media (max-width:520px){.prods{grid-template-columns:1fr}}.prod{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px;transition:transform .2s,box-shadow .2s,border-color .2s}.prod:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-2)}.prod .tag{font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--green-600)}.prod h3{font-size:16.5px;margin:8px 0 2px;color:var(--ink)}.prod .zh{font-family:var(--cn);font-size:12.5px;color:var(--muted)}.prod p{font-size:13px;color:var(--ink-2);margin:10px 0 0}.prod .vial{width:30px;height:30px;color:var(--blue-500);margin-bottom:6px}.quality{background:linear-gradient(180deg,var(--sky-2),var(--bg))}.badges{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:8px}.badge{display:flex;align-items:center;gap:9px;background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:10px 18px;font-size:13.5px;font-weight:600;color:var(--ink-2)}.badge svg{color:var(--green-600)}footer{background:var(--blue-800);color:#bcd7ee;font-size:13.5px}footer .top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding:48px 0 32px}@media (max-width:760px){footer .top{grid-template-columns:1fr;gap:24px}}footer h4{color:#fff;font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin:0 0 14px}footer .co .en{color:#fff;font-weight:700}footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}footer .bar{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#8fb4d4;font-size:12px}.ruo{font-family:var(--sans)}.ai-cta{margin-top:14px;display:inline-flex;gap:8px;background:#fff;color:var(--blue-800);border:none;border-radius:10px;padding:11px 16px;font-size:13.5px;font-weight:700}.ai-cta,.ai-fab{align-items:center;cursor:pointer}.ai-fab{position:fixed;right:18px;bottom:18px;z-index:45;display:flex;gap:9px;background:var(--blue-600);color:#fff;border:none;border-radius:999px;padding:13px 18px;font-size:14px;font-weight:600;box-shadow:var(--shadow)}.ai-fab:hover{background:var(--blue-700)}.ai-panel{position:fixed;right:18px;bottom:18px;z-index:50;width:344px;max-width:calc(100vw - 36px);height:470px;max-height:calc(100vh - 36px);background:var(--paper);border:1px solid var(--line-2);border-radius:16px;box-shadow:0 30px 70px -30px rgba(0,0,0,.55);display:none;flex-direction:column;overflow:hidden}.ai-hd,.ai-panel.open{display:flex}.ai-hd{background:var(--blue-700);color:#fff;padding:13px 16px;align-items:center;gap:10px}.ai-hd .dot{width:8px;height:8px;border-radius:50%;background:#5fd39a;box-shadow:0 0 0 3px rgba(95,211,154,.25)}.ai-hd b{font-size:14px}.ai-hd small{color:#bcdcf3;font-size:11px}.ai-hd .x{margin-left:auto;background:none;border:none;color:#cfe4f6;font-size:20px;cursor:pointer;line-height:1}.ai-body{flex:1 1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--sky-2)}.msg{max-width:84%;padding:10px 12px;border-radius:12px;font-size:13.5px;line-height:1.45}.msg.ai{background:var(--paper);border:1px solid var(--line);color:var(--ink);align-self:flex-start;border-bottom-left-radius:4px}.msg.u{background:var(--blue-600);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}.ai-chips{display:flex;gap:6px;flex-wrap:wrap;padding:0 12px 8px;background:var(--sky-2)}.ai-chips button{font-size:11.5px;background:var(--sky);color:var(--blue-700);border:1px solid var(--line);border-radius:999px;padding:5px 10px;cursor:pointer}.ai-foot{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line);background:var(--paper)}.ai-foot input{flex:1 1;min-width:0;border:1px solid var(--line-2);border-radius:9px;padding:9px 11px;font-size:13.5px;background:var(--sky-2);color:var(--ink);font-family:var(--sans)}.ai-foot button{background:var(--blue-600);color:#fff;border:none;border-radius:9px;padding:0 14px;font-weight:600;cursor:pointer}.vpage{padding:44px 0 80px}.pkick{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-600);display:flex;align-items:center;gap:9px}.pkick:before{content:"";width:24px;height:2px;background:var(--green);border-radius:2px}.ptitle{font-size:clamp(24px,3.5vw,34px);color:var(--ink);margin-top:10px}.plede{color:var(--ink-2);font-size:15.5px;margin:12px 0 0;max-width:60ch}.vbox{max-width:560px;margin:0 auto}.vsearch{display:flex;gap:10px;margin:22px 0 6px}.vsearch input{flex:1 1;min-width:0;font-size:16px;padding:15px 16px;border:1px solid var(--line-2);background:var(--sky-2);color:var(--ink);border-radius:9px;font-family:var(--sans)}.vsearch input:focus{outline:2px solid var(--blue-300);border-color:var(--blue-500)}.vsearch button{background:var(--blue-600);color:#fff;border:none;border-radius:9px;padding:0 24px;font-size:15px;font-weight:700;cursor:pointer}.vsearch button:hover{background:var(--blue-700)}.vscan{font-size:13px;color:var(--muted);text-align:center;display:flex;align-items:center;justify-content:center;gap:8px}.vout{margin-top:26px}.result{border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);background:var(--paper)}.rbar{padding:16px 22px;display:flex;align-items:center;gap:12px;font-weight:700;font-size:15px}.rbar.ok{background:linear-gradient(90deg,rgba(90,163,38,.16),transparent);color:var(--green-600);border-bottom:1px solid var(--line)}.rbar .ic{width:28px;height:28px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}.rbody{background:var(--paper);padding:22px}.rgrid{display:grid;grid-template-columns:auto 1fr;gap:12px 22px;font-size:14px}.rgrid b{color:var(--muted);font-weight:500}.rgrid .v{color:var(--ink);font-weight:600}.rgrid .big{font-size:18px;color:var(--green-600)}.ractions{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}.ractions a{flex:1 1;min-width:150px;text-align:center;text-decoration:none;padding:13px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer}.ractions .primary{background:var(--blue-600);color:#fff}.ractions .ghost{background:none;border:1px solid var(--line-2);color:var(--ink)}.rnote{margin-top:16px;font-size:12.5px;color:var(--muted);display:flex;gap:8px;align-items:flex-start}.rnote svg{color:var(--blue-500);flex:none;margin-top:1px}.notfound{background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--red);border-radius:12px;padding:16px 18px;font-size:13.5px;color:var(--ink-2)}.notfound b{color:var(--red)}.notfound a{cursor:pointer}