:root{color-scheme:light;--ink:#172137;--muted:#596681;--blue:#2456df;--edge:#dfe6f2;--surface:#f2f5fb;--radius:17px;font-family:"Segoe UI","Microsoft YaHei UI","PingFang SC",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--surface);color:var(--ink)}a{color:inherit}button,input{font:inherit}button,a,input,label{touch-action:manipulation}button:not(:disabled),label[for=photos]{cursor:pointer}button:disabled{opacity:.53}
:focus-visible{outline:3px solid #6b9fff;outline-offset:3px}button{border:0}p{margin:0}h1,h2,h3{margin:0;line-height:1.26}.wrap{width:min(1152px,calc(100% - 64px));margin:0 auto}
.top{background:#111827;color:#edf4ff;border-bottom:1px solid #313e54}.top-inner{height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px}.wordmark{display:inline-flex;align-items:center;gap:11px;font-weight:700;text-decoration:none;white-space:nowrap}.wordmark small{display:block;font-size:9px;letter-spacing:.18em;color:#a6b6d1;margin-top:3px}.mark{display:grid;place-items:center;width:36px;height:36px;color:#a6caff;background:#263756;border:1px solid #415986;border-radius:10px}.mark svg{width:23px}.service{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:#d8e4f7;border:1px solid #475772;padding:6px 10px;border-radius:99px;white-space:nowrap}.service i{width:7px;height:7px;background:#ffc36b;border-radius:50%}.service.live i{background:#70e0a4}
.hero{background:radial-gradient(ellipse at 77% 22%,#263e68 0%,#172642 40%,#121d33 72%);color:#fff}.hero-inner{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;min-height:270px;gap:22px;padding-block:35px 43px}.eyebrow{display:flex;align-items:center;gap:8px;color:#bcd5ff;font-size:13px;font-weight:650;letter-spacing:.17em;margin-bottom:11px}.eyebrow span{width:17px;height:2px;background:#77a6ff}.intro h1{font-size:clamp(30px,4.1vw,55px);font-weight:750;letter-spacing:.01em}.intro-text{color:#d0dcf2;font-size:15px;line-height:1.85;max-width:32em;margin:15px 0 19px}.hero-tags{display:flex;flex-wrap:wrap;gap:8px}.hero-tags span{border:1px solid #475e88;background:#233655;color:#deebff;padding:5px 10px;border-radius:6px;font-size:12px}.blueprint svg{display:block;width:100%;max-height:226px}
.layout{display:grid;grid-template-columns:minmax(320px,392px) minmax(0,1fr);gap:22px;align-items:start;padding-block:28px 20px}.panel{background:#fff;border:1px solid var(--edge);border-radius:var(--radius);box-shadow:0 5px 22px #223e6810;padding:23px}.panel-heading{display:flex;align-items:flex-start;gap:11px;padding-bottom:16px}.step{display:grid;place-items:center;flex:0 0 33px;height:33px;background:#edf3ff;border:1px solid #dce7fd;color:#2a57c5;border-radius:8px;font-size:12px;font-weight:750;font-variant-numeric:tabular-nums}.panel-heading h2{font-size:20px}.panel-heading p,.fine{font-size:12px;line-height:1.65;color:var(--muted)}.panel-heading p{margin-top:4px}
.drop{border:1.5px dashed #afc5ee;border-radius:13px;background:#f8faff;transition:background .15s,border-color .15s}.drop.drag,.drop:focus-within{background:#ebf3ff;border-color:#527eef}.drop label{display:grid;justify-items:center;gap:5px;padding:20px 10px}.drop svg{height:25px;width:25px;fill:none;stroke:var(--blue);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.drop strong{font-size:14px;color:#244db8}.drop span{font-size:12px;color:#62708e}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.photo-list{display:flex;gap:8px;list-style:none;margin:0;padding:0}.photo-list:not(:empty){margin-top:9px}.photo-list li{width:calc((100% - 16px)/3);position:relative;min-width:0}.photo-list img{display:block;width:100%;height:58px;object-fit:cover;border:1px solid var(--edge);border-radius:8px}.remove-photo{position:absolute;top:3px;right:3px;width:23px;height:23px;border-radius:50%;background:#172137eb;color:white;font-size:14px}
.secondary,.primary{min-height:41px;border-radius:9px;font-weight:680;font-size:14px}.secondary{background:#eef3ff;color:#244db8;border:1px solid #dce7fc;padding:7px 12px}.identify{width:100%;margin-top:10px}.fine{margin-top:7px}.label{display:block;font-size:13px;font-weight:650;margin:17px 0 6px}#vehicle{width:100%;border:1px solid #cbd7ec;border-radius:9px;background:white;padding:11px;color:var(--ink);font-size:14px}#vehicle::placeholder{color:#6e7d97}.primary{display:flex;width:100%;justify-content:center;gap:12px;align-items:center;background:var(--blue);color:white;margin-top:9px;padding:9px 12px}.primary:not(:disabled):hover{background:#1847c2}.primary span{font-size:17px}.feedback:not(:empty){margin-top:9px;font-size:12px;color:#8e2d27;line-height:1.5}.identify-result:not([hidden]){margin-top:10px;background:#edf4ff;border:1px solid #d7e7fc;border-radius:9px;padding:10px;font-size:12px;line-height:1.6}.alt{margin:5px 5px 0 0;font-size:12px}
.examples{border-top:1px solid var(--edge);margin-top:15px;padding-top:13px}.examples>p{font-weight:650;font-size:12px;color:#4d5a73;margin-bottom:7px}.example-list{display:flex;flex-wrap:wrap;gap:6px}.chip{border:1px solid #d8e3f4;color:#244c9d;background:#f7faff;border-radius:7px;padding:6px 8px;font-size:12px;text-align:left}.chip:hover{background:#eaf1ff}
.result-panel{min-height:490px}.result-panel .panel-heading{border-bottom:1px solid var(--edge);padding-bottom:15px}.result{padding-top:16px}.empty{display:grid;place-items:center;min-height:210px;padding:18px;border:1px dashed #d8e3f4;border-radius:12px;text-align:center;color:var(--muted);font-size:14px}.empty.busy{background:#f8faff}.result-summary{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.result-summary h3{font-size:24px}.badge{display:inline-flex;align-items:center;border-radius:6px;font-size:11px;font-weight:650;padding:4px 7px;line-height:1.2;white-space:nowrap;background:#ecf3ff;color:#254eaa}.badge.ok{background:#e7f6ed;color:#21633e}.badge.warn{background:#fff2de;color:#88500f}.result-note{font-size:13px;color:var(--muted);line-height:1.65;margin:7px 0 13px}.gallery-link{display:flex;align-items:center;justify-content:space-between;gap:9px;text-decoration:none;background:#edf3ff;border:1px solid #d7e5ff;color:#234db4;border-radius:10px;padding:11px 12px;font-weight:680;font-size:14px}.gallery-link:hover,.tile:hover{background:#e5eeff}.tiles{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:10px}.tile{display:grid;align-content:center;gap:5px;min-height:75px;border:1px solid #dce7f7;background:#fbfcff;border-radius:10px;padding:9px 10px;text-decoration:none;overflow-wrap:anywhere}.tile strong{font-size:14px;color:#1b3f87}.tile small{color:#54617b;font-size:11px;line-height:1.45}.tile .badge{justify-self:start}.missing{font-size:12px;color:#80521e;background:#fff7e9;border:1px solid #fae6c2;border-radius:8px;line-height:1.55;padding:8px 10px;margin-top:10px}.candidates{margin-top:14px;border-top:1px solid var(--edge);padding-top:11px}.candidates h3{font-size:14px;margin-bottom:5px}.candidate{display:flex;justify-content:space-between;gap:9px;padding:8px 0;border-bottom:1px solid #eef2f9;text-decoration:none;color:#254eaa;font-size:13px;line-height:1.45}.candidate:last-child{border-bottom:0}.candidate small{display:block;color:var(--muted);font-size:11px}.candidate span:last-child{flex:0 0 auto}.footer{display:flex;justify-content:space-between;gap:10px;color:#5b6680;font-size:12px;line-height:1.55;padding-block:10px 22px;border-top:1px solid #dce4f1}
@media(max-width:900px){.wrap{width:calc(100% - 38px)}.layout{grid-template-columns:minmax(280px,330px) minmax(0,1fr);gap:14px}.panel{padding:17px}.hero-inner{min-height:240px}.result-summary h3{font-size:20px}}@media(max-width:650px){.wrap{width:calc(100% - 26px)}.top-inner{height:56px}.wordmark small{display:none}.hero-inner{grid-template-columns:1fr;padding-block:24px;min-height:auto}.blueprint{display:none}.intro-text{margin-block:9px 12px;font-size:13px}.layout{grid-template-columns:1fr;padding-top:14px}.panel{padding:16px}.result-panel{min-height:300px}.footer{flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}