:root{--paper:#f4f0e7;--panel:#fbfaf6;--ink:#172a26;--muted:#697570;--line:#d8d8cd;--accent:#e97144;--accent2:#c9512b;--sage:#becbbd;--soft:#e8e4d9;--shadow:0 18px 60px rgba(40,50,45,.09);font-family:"Microsoft YaHei UI","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0;min-width:320px;background:radial-gradient(circle at 82% 8%,#e7ebdf 0,transparent 28%),var(--paper)}button,input,select,textarea{font:inherit;color:inherit}button,label{touch-action:manipulation}.hidden{display:none!important}
.app-shell{max-width:1500px;margin:auto;min-height:100vh}.topbar{height:82px;display:flex;align-items:center;gap:38px;padding:0 4vw;border-bottom:1px solid rgba(23,42,38,.12);position:sticky;top:0;z-index:20;background:rgba(244,240,231,.92);backdrop-filter:blur(18px)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);min-width:240px}.brand-mark{width:42px;height:42px;border:1px solid var(--ink);display:grid;place-content:center;gap:3px;transform:rotate(45deg)}.brand-mark i{display:block;width:22px;height:2px;background:var(--accent);transform:rotate(-45deg)}.brand strong{display:block;font-size:20px;letter-spacing:.18em}.brand small{font-size:10px;letter-spacing:.15em;color:var(--muted)}
.nav{display:flex;align-items:stretch;height:100%;gap:25px;margin-right:auto}.nav-item{border:0;background:none;padding:0 8px;position:relative;color:var(--muted);cursor:pointer;font-size:14px}.nav-item.active{color:var(--ink);font-weight:700}.nav-item.active:after{content:"";position:absolute;bottom:0;left:10%;right:10%;height:3px;background:var(--accent)}
.button{border:0;border-radius:4px;min-height:42px;padding:0 18px;font-weight:700;font-size:13px;cursor:pointer;transition:.2s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px}.button:hover{transform:translateY(-1px)}.button:disabled{opacity:.42;cursor:not-allowed;transform:none}.button-dark{background:var(--ink);color:white}.button-accent{background:var(--accent);color:#fff}.button-accent:hover{background:var(--accent2)}.button-light{background:#fff;border:1px solid var(--line)}.button-danger{background:#f6e4df;color:#a43e25}.button-full{width:100%;height:54px;font-size:15px;justify-content:space-between;padding:0 24px}.button-full b{font-size:21px}
main{padding:0 4vw 70px}.view{display:none}.view.active{display:block}.hero{display:grid;grid-template-columns:1fr auto;align-items:end;padding:62px 0 42px}.eyebrow{font-size:10px;letter-spacing:.23em;color:var(--accent);font-weight:800;margin:0 0 16px}.hero h1,.page-title-row h1{font-family:Georgia,"Songti SC",serif;font-size:clamp(42px,5.2vw,74px);line-height:1.06;letter-spacing:-.045em;margin:0}.hero h1 em{font-weight:400;color:var(--accent)}.hero-copy{max-width:570px;color:var(--muted);font-size:16px;line-height:1.8;margin:22px 0 0}.hero-note{border-left:3px solid var(--accent);padding:8px 40px 8px 18px;margin-bottom:7px}.hero-note span{font-size:11px;color:var(--muted)}.hero-note p{font-family:Georgia,"Songti SC",serif;line-height:1.6;margin:4px 0;font-size:17px}
.match-layout{display:grid;grid-template-columns:minmax(360px,.84fr) minmax(430px,1.16fr);gap:18px}.panel{background:rgba(251,250,246,.92);border:1px solid var(--line);padding:26px;box-shadow:var(--shadow);min-height:535px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.section-heading>div{display:flex;align-items:center;gap:12px}.section-heading h2{font-family:Georgia,"Songti SC",serif;font-size:21px;margin:0}.step{width:30px;height:30px;border:1px solid var(--ink);border-radius:50%;display:grid;place-items:center;font-size:10px}.text-button{border:0;background:none;color:var(--accent);cursor:pointer}.result-meta{font-size:12px;color:var(--muted)}
.drop-zone{height:298px;border:1px dashed #9da9a4;background:#eeeee7;display:block;position:relative;overflow:hidden;cursor:pointer}.drop-zone.dragging{background:#e5ebe2;border-color:var(--accent)}.drop-empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px}.drop-empty strong{font-family:Georgia,"Songti SC",serif;font-size:20px;margin-top:20px}.drop-empty small{color:var(--muted);line-height:1.6;max-width:300px;margin:8px 0 17px}.upload-cta{font-weight:700;border-bottom:1px solid var(--ink);padding:4px}.scan-icon{width:65px;height:65px;border:1px solid #abb4af;border-radius:50%;display:grid;place-items:center}.scan-icon:before{content:"";width:29px;height:20px;border:2px solid var(--ink);border-radius:3px}.scan-icon i{position:absolute;width:9px;height:9px;border:2px solid var(--accent);border-radius:50%}.query-preview{width:100%;height:100%;object-fit:cover}.scan-line{position:absolute;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent);box-shadow:0 0 12px var(--accent);animation:scan 1.5s ease-in-out infinite}@keyframes scan{0%,100%{top:8%}50%{top:92%}}
.quality-box{margin-top:10px;padding:10px 12px;background:#edf1e9;font-size:12px;display:flex;gap:9px;line-height:1.5}.quality-box.warn{background:#f8e8df;color:#7b3d27}.control-row{margin:17px 0 14px;display:flex;align-items:center;justify-content:space-between;gap:15px}.control-row>label{font-size:12px;font-weight:700}.segmented{display:flex;border:1px solid var(--line);padding:3px;background:var(--soft)}.segmented button{border:0;background:transparent;padding:7px 11px;font-size:11px;cursor:pointer;color:var(--muted)}.segmented button.active{background:#fff;color:var(--ink);box-shadow:0 2px 6px rgba(0,0,0,.06)}
.result-empty{height:410px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.result-empty strong{font-family:Georgia,"Songti SC",serif;font-size:19px;margin-top:26px}.result-empty p{max-width:350px;color:var(--muted);line-height:1.7;font-size:13px}.woven-orbit{width:92px;height:92px;border:1px solid #bbc2bd;border-radius:50%;position:relative;animation:turn 20s linear infinite}.woven-orbit i{position:absolute;inset:13px;border:1px solid var(--accent);border-radius:50% 5%;transform:rotate(45deg)}.woven-orbit i:nth-child(2){transform:rotate(105deg)}.woven-orbit i:nth-child(3){transform:rotate(165deg)}@keyframes turn{to{transform:rotate(360deg)}}
.result-list{display:flex;flex-direction:column;gap:10px;max-height:455px;overflow:auto;padding-right:4px}.result-card{display:grid;grid-template-columns:120px 1fr 75px;gap:16px;align-items:center;padding:12px;border:1px solid var(--line);background:#fff;cursor:pointer;transition:.2s}.result-card:hover{border-color:var(--accent);transform:translateX(2px)}.result-card:first-child{border:2px solid var(--accent);background:#fffaf5}.result-card img{width:120px;height:95px;object-fit:cover}.result-rank{font-size:10px;letter-spacing:.16em;color:var(--accent);font-weight:800}.result-card h3{margin:5px 0;font-size:16px}.result-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.55}.score{text-align:center}.score strong{font-family:Georgia,serif;font-size:27px;color:var(--accent)}.score small{display:block;color:var(--muted);font-size:9px;letter-spacing:.1em}.match-tags{display:flex;gap:5px;margin-top:7px;flex-wrap:wrap}.match-tags span{font-size:10px;background:var(--soft);padding:3px 6px}
.truth-strip{display:flex;align-items:center;gap:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 5px;margin-top:28px;font-size:12px;flex-wrap:wrap}.truth-strip strong{font-family:Georgia,"Songti SC",serif;font-size:15px;margin-right:auto}.truth-strip i{width:20px;height:20px;border-radius:50%;display:inline-grid;place-items:center;font-style:normal;margin-right:5px}.truth-strip .yes{background:#dde8db}.truth-strip .no{background:#f3ddd4;color:var(--accent2)}
.page-title-row{display:flex;justify-content:space-between;align-items:end;padding:58px 0 32px}.page-title-row h1{font-size:54px}.page-title-row>div>p:last-child{color:var(--muted);margin-bottom:0}.page-actions{display:flex;gap:8px}.library-tools{display:flex;align-items:center;gap:18px;padding:14px 0 24px;border-top:1px solid var(--line)}.search-box{background:#fff;border:1px solid var(--line);height:43px;min-width:290px;display:flex;align-items:center;padding:0 12px;gap:8px}.search-box input{border:0;outline:0;background:none;width:100%;font-size:12px}.filter-chips{display:flex;gap:7px;flex-wrap:wrap}.filter-chips button{background:transparent;border:1px solid var(--line);padding:8px 13px;font-size:11px;cursor:pointer}.filter-chips button.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.library-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.sample-card{background:#fff;border:1px solid var(--line);cursor:pointer;transition:.22s;overflow:hidden}.sample-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.sample-image{height:205px;position:relative;background:#ddd;overflow:hidden}.sample-image img{width:100%;height:100%;object-fit:cover;transition:.4s}.sample-card:hover img{transform:scale(1.03)}.sample-status{position:absolute;left:10px;top:10px;background:rgba(255,255,255,.88);backdrop-filter:blur(8px);padding:5px 8px;font-size:10px;font-weight:700}.sample-body{padding:15px}.sample-code{font-size:10px;color:var(--accent);letter-spacing:.12em}.sample-body h3{margin:6px 0 8px;font-size:16px}.spec-line{color:var(--muted);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-tags{display:flex;gap:5px;margin-top:11px;flex-wrap:wrap}.card-tags span{font-size:9px;border:1px solid var(--line);padding:3px 5px}.library-empty{text-align:center;padding:100px 20px;border:1px dashed var(--line)}.library-empty span{font-size:42px;color:var(--accent)}.library-empty h3{font-family:Georgia,"Songti SC",serif}
dialog{border:0;padding:0;width:min(970px,94vw);max-height:92vh;background:var(--panel);box-shadow:0 30px 100px rgba(0,0,0,.25)}dialog::backdrop{background:rgba(19,31,28,.66);backdrop-filter:blur(3px)}#sampleForm{padding:28px}.dialog-head{display:flex;align-items:start;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:18px}.dialog-head h2{margin:0;font-family:Georgia,"Songti SC",serif;font-size:27px}.icon-button{border:0;background:none;font-size:32px;line-height:1;cursor:pointer}.form-layout{display:grid;grid-template-columns:300px 1fr;gap:28px;padding:24px 0}.form-photo{height:330px;border:1px dashed #aab2ae;background:#e9ebe4;cursor:pointer;overflow:hidden}.form-photo img{width:100%;height:100%;object-fit:cover}.form-photo>div{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center}.form-photo span{font-size:34px;color:var(--accent)}.form-photo small{color:var(--muted);margin-top:5px}.fields{display:flex;flex-direction:column;gap:12px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.fields label{font-size:11px;font-weight:700}.fields input,.fields select,.fields textarea{width:100%;margin-top:5px;border:1px solid var(--line);background:#fff;padding:10px;outline:none;font-size:12px}.fields input:focus,.fields textarea:focus,.fields select:focus{border-color:var(--accent)}.dialog-actions{border-top:1px solid var(--line);padding-top:18px;display:grid;grid-template-columns:auto 1fr auto auto;gap:8px}.form-error{background:#f6e0d8;color:#8c301b;padding:10px;font-size:12px}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,30px);background:var(--ink);color:white;padding:11px 18px;opacity:0;pointer-events:none;transition:.25s;z-index:99;font-size:12px;box-shadow:var(--shadow)}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1050px){.library-grid{grid-template-columns:repeat(3,1fr)}.match-layout{grid-template-columns:1fr}.result-panel{min-height:460px}.result-empty{height:330px}}
@media(max-width:760px){.topbar{height:70px;padding:0 18px}.brand{min-width:auto}.brand small,.topbar>.button{display:none}.nav{position:fixed;bottom:0;left:0;right:0;height:60px;background:#faf8f2;z-index:40;justify-content:space-around;box-shadow:0 -5px 20px rgba(0,0,0,.08);gap:0}.nav-item{flex:1}.nav-item.active:after{top:0;bottom:auto}.app-shell main{padding:0 16px 85px}.hero{grid-template-columns:1fr;padding:40px 0 28px}.hero-note{display:none}.hero h1{font-size:43px}.match-layout{display:block}.panel{padding:18px;min-height:auto;margin-bottom:14px}.drop-zone{height:260px}.control-row{display:block}.control-row>label{display:block;margin-bottom:8px}.segmented button{flex:1;padding:8px 5px}.segmented{width:100%}.truth-strip{align-items:flex-start;gap:13px}.truth-strip span{width:100%}.page-title-row{display:block;padding-top:40px}.page-actions{margin-top:20px;overflow:auto}.library-tools{display:block}.search-box{min-width:0;width:100%;margin-bottom:12px}.filter-chips{flex-wrap:nowrap;overflow:auto}.library-grid{grid-template-columns:1fr 1fr;gap:10px}.sample-image{height:150px}.form-layout{grid-template-columns:1fr}.form-photo{height:250px}.field-row{grid-template-columns:1fr}.result-card{grid-template-columns:90px 1fr 55px;gap:10px}.result-card img{width:90px;height:80px}.score strong{font-size:21px}#sampleForm{padding:18px}.dialog-actions{grid-template-columns:1fr 1fr}.dialog-actions span{display:none}.dialog-actions .button-danger{grid-column:1/-1;grid-row:2}}
@media(max-width:440px){.brand strong{font-size:17px}.brand-mark{width:35px;height:35px}.library-grid{grid-template-columns:1fr}.sample-image{height:230px}}
.admin-login{max-width:420px;display:flex;flex-direction:column;gap:18px;padding:28px;border:1px solid var(--line);background:var(--panel)}.admin-login h2{font-size:20px;margin:0}.admin-login label{font-size:12px;font-weight:700}.admin-login input{display:block;width:100%;min-height:44px;margin-top:8px;padding:10px;border:1px solid var(--line);background:#fff}.admin-login .form-error{margin:0}.admin-toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:20px}.admin-toolbar .page-actions{flex-wrap:wrap;margin:0;overflow:visible}.migration-row{border-top:1px solid var(--line);padding:15px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--muted);font-size:12px;line-height:1.7}.migration-row .text-button{flex:none;text-decoration:underline}.form-photo.read-only{cursor:default}.fields :disabled{opacity:1;color:var(--ink);-webkit-text-fill-color:var(--ink);background:#f2f2ed}.form-photo.read-only #sampleImageEmpty{display:none}
@media(max-width:760px){.admin-toolbar{align-items:flex-start}.admin-toolbar .page-actions{gap:8px}.admin-toolbar .button{min-height:40px;padding:0 10px}.migration-row{align-items:flex-start;flex-direction:column;gap:5px}.nav-item{font-size:12px;padding:0 3px}.admin-login{max-width:none}}
@media(max-width:440px){.admin-toolbar{flex-direction:column}.admin-toolbar #logoutBtn{align-self:flex-end}.admin-toolbar .page-actions{width:100%}.admin-toolbar .page-actions .button{flex:1}}