:root{color-scheme:light;--bg:#f4f1eb;--paper:#fffcf7;--ink:#252a29;--muted:#69706e;--line:#dcd8d0;--accent:#766256;--accent-dark:#4d3b32;--soft:#eee8df;--good:#37694c;--bad:#9a493b;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);min-width:320px}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}a{color:inherit}img{display:block;max-width:100%}[hidden]{display:none!important}.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 max(32px,calc((100vw - 1320px)/2));border-bottom:1px solid var(--line);background:rgba(255,252,247,.66)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-family:Georgia,serif;font-size:24px;font-weight:700;letter-spacing:-.055em}.brand-mark{width:36px;height:36px;display:grid;place-items:center;border:1.5px solid var(--ink);border-radius:50%;font-size:27px;line-height:1;position:relative}.brand-mark span{font-size:13px;position:absolute;right:6px;bottom:3px}.trial-badge{border:1px solid var(--line);border-radius:100px;padding:8px 14px;font-size:12px;letter-spacing:.12em;color:var(--muted)}.page-shell{max-width:1320px;margin:auto;padding:64px 32px 108px}.intro{max-width:770px;margin-bottom:48px}.eyebrow,.kicker{text-transform:uppercase;font-size:12px;letter-spacing:.24em;color:var(--accent);font-weight:700}.eyebrow{display:flex;align-items:center;gap:13px}.eyebrow-line{width:28px;height:1px;background:var(--accent)}h1,h2,h3,p{margin-top:0}h1{font-family:Georgia,"Songti SC","SimSun",serif;font-size:clamp(43px,5.7vw,78px);line-height:1.16;letter-spacing:-.065em;margin:22px 0 20px;font-weight:500}h1 em{font-style:normal;color:var(--accent)}.intro>p{font-size:17px;line-height:1.9;color:#58615e;max-width:710px;margin:0}.workspace-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:20px}.panel,.detail-panel,.analysis-details,.image-card{background:var(--paper);border:1px solid var(--line);border-radius:17px}.panel{padding:29px}.panel-heading,.detail-heading{display:flex;gap:16px;align-items:flex-start}.step-index{display:grid;place-items:center;flex:0 0 auto;width:38px;height:38px;border:1px solid #d5c9bd;color:var(--accent);border-radius:50%;font-family:Georgia,serif;font-size:16px}.kicker{margin:1px 0 7px}.panel h2{font-family:Georgia,"Songti SC","SimSun",serif;font-size:27px;font-weight:500;letter-spacing:-.035em;margin:0}.dropzone{margin-top:29px;border:1.5px dashed #bcb6ad;background:#f7f4ee;border-radius:13px;min-height:238px;display:grid;place-items:center;text-align:center;padding:18px;transition:border-color .2s,background .2s;outline:none}.dropzone:hover,.dropzone:focus-visible,.dropzone.dragging{border-color:var(--accent);background:#f1eae0}.drop-empty{display:grid;justify-items:center;gap:11px}.upload-icon{width:49px;height:49px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--accent);font-size:25px}.drop-empty strong{font-size:17px;font-weight:600}.drop-empty>span:last-child{font-size:13px;color:var(--muted)}.drop-preview{position:relative;max-height:330px;width:100%;display:grid;place-items:center}.drop-preview img{max-height:285px;border-radius:8px;object-fit:contain}.drop-preview span{font-size:12px;color:var(--muted);margin-top:9px;overflow:hidden;text-overflow:ellipsis;max-width:100%;white-space:nowrap}.upload-actions{display:flex;align-items:center;gap:18px;margin-top:22px}.primary-button{background:var(--ink);color:white;border:1px solid var(--ink);border-radius:8px;min-height:48px;padding:11px 20px;margin-left:auto;font-size:14px;font-weight:600;display:flex;align-items:center;gap:25px}.primary-button:hover:not(:disabled){background:var(--accent-dark)}.text-button{border:0;background:none;color:var(--accent-dark);font-size:13px;text-decoration:underline;text-underline-offset:4px;padding:8px 0}.helper-text{color:var(--muted);font-size:12px;line-height:1.7;margin:18px 0 0}.stage-list{margin:27px 0 24px;padding:0;list-style:none}.stage-list li{display:flex;align-items:center;gap:13px;padding:16px 0;border-bottom:1px solid var(--line)}.stage-list li:first-child{border-top:1px solid var(--line)}.stage-icon{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--accent);font:16px Georgia,serif;flex:0 0 auto}.stage-list li>span:nth-child(2){display:grid;gap:5px;min-width:0}.stage-list strong{font-size:14px;font-weight:600}.stage-list small{font-size:12px;color:var(--muted);line-height:1.4}.stage-state{margin-left:auto;font-size:12px;white-space:nowrap;color:var(--muted)}li[data-state=running] .stage-icon{background:var(--accent);border-color:var(--accent);color:white}li[data-state=running] .stage-state{color:var(--accent-dark)}li[data-state=done] .stage-icon{background:#dce9de;border-color:#c6dac9;color:var(--good)}li[data-state=done] .stage-state{color:var(--good)}li[data-state=error] .stage-icon{background:#f6e8e4;border-color:#e8c8be;color:var(--bad)}li[data-state=error] .stage-state{color:var(--bad)}.notice{display:flex;gap:12px;background:#f2ede5;padding:15px;border-radius:10px;color:#5c605c}.notice>span{width:20px;height:20px;display:grid;place-items:center;border:1px solid #baa997;border-radius:50%;font:italic 15px Georgia,serif;flex:0 0 auto}.notice p{font-size:12px;line-height:1.7;margin:0}.page-message{margin-top:18px;padding:15px 18px;border:1px solid #e1bdb4;background:#fcf1ed;border-radius:9px;color:#7d3025;font-size:14px;line-height:1.65}.page-message[data-kind=info]{background:#eef2ee;color:#365340;border-color:#cbdacb}.results{margin-top:86px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:25px}.section-heading h2{font-family:Georgia,"Songti SC","SimSun",serif;font-size:clamp(32px,3vw,44px);font-weight:500;letter-spacing:-.04em;margin:0}.section-heading>p{color:var(--muted);font-size:13px;margin:0 0 6px}.image-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.image-card{overflow:hidden;min-width:0}.image-card-head{height:59px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;font-weight:600}.image-tag{font-size:11px;letter-spacing:.08em;color:var(--accent);border:1px solid #d9cabc;padding:5px 8px;border-radius:4px;white-space:nowrap;font-weight:500}.image-frame{height:clamp(310px,35vw,455px);background:#f0eee9;display:grid;place-items:center;overflow:hidden}.image-frame img{height:100%;width:100%;object-fit:contain}.image-placeholder{color:#898e89;font-size:13px;text-align:center;padding:20px}.retry-button{margin:15px 18px}.secondary-button{border:1px solid var(--line);background:transparent;border-radius:7px;padding:9px 12px;color:var(--accent-dark);font-size:12px}.secondary-button:hover{background:var(--soft)}.details-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:16px;margin-top:18px}.detail-panel{padding:26px 28px}.detail-heading h3{font-family:Georgia,"Songti SC","SimSun",serif;font-weight:500;letter-spacing:-.025em;font-size:25px;margin:0}.detail-content{margin-top:24px}.empty-content{font-size:13px;color:var(--muted)}.shopping-list{margin:0;padding:0;list-style:none;display:grid;gap:16px}.shopping-list li{padding-bottom:15px;border-bottom:1px solid var(--line)}.shopping-list li:last-child{border:0;padding-bottom:0}.shopping-list strong{font-size:14px}.shopping-list p{font-size:13px;line-height:1.8;color:#4e5753;margin:5px 0 0}.unknown-note{color:#866253!important;font-size:12px!important}.tips-list{margin:0;padding-left:19px;display:grid;gap:15px;color:#4e5753;font-size:13px;line-height:1.8}.analysis-details{margin-top:18px;padding:0 28px}.analysis-details summary{cursor:pointer;padding:23px 0;font-size:14px;font-weight:600;display:flex;justify-content:space-between;list-style:none}.analysis-details summary::-webkit-details-marker{display:none}.analysis-details[open] summary span{transform:rotate(45deg)}.analysis-copy{white-space:pre-wrap;line-height:1.9;color:#4a514e;font-size:13px;border-top:1px solid var(--line);padding:22px 0}.items-content{border-top:1px solid var(--line);padding:16px 0;color:#4a514e}.items-content h4{font-size:14px;margin:0 0 12px}.items-content ol{margin:0;padding-left:20px;display:grid;gap:12px}.items-content li{font-size:13px;line-height:1.7}.items-content li p{margin:3px 0 0}.uncertainties{font-size:12px;line-height:1.8;color:#795849;padding:0 0 24px}.result-footnote{font-size:12px;color:var(--muted);line-height:1.6;margin:22px 0 0}.site-footer{border-top:1px solid var(--line);padding:24px max(32px,calc((100vw - 1320px)/2));display:flex;justify-content:space-between;gap:16px;font-size:11px;letter-spacing:.16em;color:var(--muted)}:focus-visible{outline:3px solid #a57e67;outline-offset:3px}@media(max-width:900px){.workspace-grid,.details-grid{grid-template-columns:1fr}.image-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.image-grid .image-card:first-child{grid-column:1/-1}.image-grid .image-card:first-child .image-frame{height:440px}.page-shell{padding-top:48px}.section-heading{align-items:start;flex-direction:column}}@media(max-width:600px){.site-header{height:64px;padding:0 20px}.brand{font-size:21px}.brand-mark{width:32px;height:32px;font-size:24px}.trial-badge{font-size:10px;padding:6px 9px}.page-shell{padding:42px 18px 72px}.intro{margin-bottom:32px}h1{font-size:clamp(27px,8vw,38px);line-height:1.22;margin:15px 0}.intro>p{font-size:14px;line-height:1.8}.panel{padding:21px}.panel h2{font-size:23px}.dropzone{min-height:214px}.upload-actions{gap:13px;flex-wrap:wrap}.primary-button{width:100%;justify-content:space-between;order:3;margin:0}.process-panel{margin-top:0}.results{margin-top:62px}.image-grid{display:grid;grid-template-columns:1fr}.image-grid .image-card:first-child{grid-column:auto}.image-frame,.image-grid .image-card:first-child .image-frame{height:min(105vw,480px)}.section-heading h2{font-size:clamp(22px,6.2vw,27px)}.detail-panel{padding:22px}.analysis-details{padding:0 21px}.site-footer{padding:21px 18px;flex-direction:column}}
.auth-gate{max-width:680px;padding:32px}.auth-gate h2{font-family:Georgia,"Songti SC","SimSun",serif;font-size:clamp(25px,3vw,34px);font-weight:500;margin:8px 0 12px}.auth-gate>p:not(.kicker){color:var(--muted);font-size:14px;line-height:1.8;max-width:530px}.sign-in-button{display:inline-flex;width:max-content;margin:16px 0 0;text-decoration:none}.sign-in-button:hover{background:var(--accent-dark)}@media(max-width:600px){.auth-gate{padding:23px}.sign-in-button{width:100%;justify-content:space-between}}
.login-form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:end;margin-top:22px}.login-form label{grid-column:1/-1;font-size:13px;font-weight:600}.login-form input{width:100%;min-height:48px;padding:10px 13px;border:1px solid var(--line);border-radius:8px;background:white}.login-form .primary-button{width:auto;margin:0}.login-message{color:var(--bad);font-size:13px;line-height:1.6;margin:12px 0 0}@media(max-width:600px){.login-form{grid-template-columns:1fr}.login-form label{grid-column:auto}.login-form .primary-button{width:100%}}
.header-actions{display:flex;align-items:center;gap:18px}.header-actions .text-button{white-space:nowrap}@media(max-width:600px){.header-actions{gap:8px}.header-actions .text-button{font-size:11px;max-width:100px;white-space:normal;line-height:1.3;text-align:right}.trial-badge{display:none}}