:root{color-scheme:light;--paper:#f5f6f2;--surface:#fff;--ink:#203c36;--muted:#63766f;--line:#dce5df;--green:#255b49;--soft-green:#e9f0e9;--warm:#ba743d;--mono:"Cascadia Code",Consolas,monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.7}button,input,textarea{font:inherit}button,a,label,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:var(--green);text-underline-offset:4px}button:disabled{cursor:wait;opacity:.6}[hidden]{display:none!important}:focus-visible{outline:3px solid #b67d45;outline-offset:4px}.site-shell{width:min(1120px,calc(100% - 64px));margin:0 auto}.masthead{height:106px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none}.brand-mark{display:grid;place-items:center;background:var(--green);color:#fff;font-size:30px;width:44px;height:44px;border-radius:12px}.brand b{font-family:Georgia,"Times New Roman",serif;font-size:21px;letter-spacing:1px}.brand small{display:block;color:var(--muted);font-size:11px;letter-spacing:2px;line-height:1.4}.support-link{border:0;background:none;text-align:right;font-size:12px;color:var(--muted);padding:10px 0;min-height:44px}.support-link span{display:block;color:var(--green);font-family:var(--mono);font-size:13px}.hero{padding:42px 0 36px;display:flex;justify-content:space-between;align-items:center;gap:24px}.eyebrow{font-family:var(--mono);font-size:10px;font-weight:600;letter-spacing:2.3px;color:var(--muted);margin:0 0 12px}.tiny-square{display:inline-block;width:7px;height:7px;background:var(--warm);margin-right:7px}.hero h1{font-size:42px;font-weight:600;letter-spacing:-1.8px;line-height:1.3;margin:0 0 14px}.hero-period{color:var(--warm)}.hero-description{font-size:14px;color:var(--muted);margin:0;line-height:1.85}.mobile-break{display:none}.hero-note{display:flex;gap:22px;border-left:1px solid #ccd8cf;padding:2px 0 2px 26px;align-items:flex-start}.note-index{font-family:var(--mono);font-size:12px;color:var(--warm);white-space:nowrap}.hero-note p{margin:0;color:var(--muted);font-size:12px;line-height:1.9}.workspace{display:grid;grid-template-columns:1.05fr 1fr;align-items:start;gap:24px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 10px 30px #203c3603}.section-title{display:flex;align-items:center;gap:11px;flex-wrap:wrap;margin-bottom:18px}.section-title h2{font-size:19px;font-weight:600;margin:0;letter-spacing:-.4px}.step-number{font:11px var(--mono);color:var(--green);border:1px solid var(--line);border-radius:6px;width:28px;height:28px;display:grid;place-items:center}.section-tag{font-size:10px;color:var(--muted);margin-left:auto}.section-description{color:var(--muted);font-size:13px;margin:0 0 22px;line-height:1.9}.import-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px;position:relative}.import-button{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:8px 14px;border:1px solid #b9cec3;border-radius:8px;background:#f9fbf8;font-size:12px!important;color:var(--green);cursor:pointer;margin:0!important}.import-button span{font-size:20px;line-height:1}.import-button:hover{background:var(--soft-green)}#session-file{position:absolute;width:1px;height:1px;padding:0;opacity:0;left:0;top:0}.import-row:focus-within .import-button{outline:3px solid #b67d45;outline-offset:3px}.import-row small{color:var(--muted);font-size:10px}.file-message{font-size:12px;color:var(--green);margin:0 0 14px;overflow-wrap:anywhere}.file-message.err{color:#a03a31}label{display:block;font-weight:600;font-size:12px;margin:0 0 8px}input,textarea{display:block;width:100%;min-width:0;border:1px solid #d0ddd4;background:#fafcf9;border-radius:8px;color:var(--ink);padding:13px 14px;transition:border-color .15s,background .15s}input:focus,textarea:focus{background:#fff;border-color:#79a68a}input{min-height:48px}input::placeholder,textarea::placeholder{color:#82918b;font-weight:400}textarea{font:12px/1.85 var(--mono);height:200px;min-height:150px;resize:vertical;overflow-wrap:anywhere}.textarea-footer{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;margin:9px 0 12px}.field-hint{font-size:11px;color:var(--muted);line-height:1.8;margin:7px 0 0}.textarea-footer .field-hint{margin:0;max-width:340px}.text-button{font-size:11px;color:var(--muted);border:0;background:none;white-space:nowrap;padding:0 2px;min-height:30px;margin-top:-4px}.text-button:hover{color:var(--green);text-decoration:underline}details.help{background:#f6f8f3;border:1px solid #e4eae1;border-radius:8px;padding:0 12px}summary{cursor:pointer;list-style:none;min-height:44px;display:flex;align-items:center;justify-content:space-between;font-size:12px}summary::-webkit-details-marker{display:none}.help summary span{font-size:18px;color:#6f887a}.help ol{padding-left:20px;font-size:12px;color:var(--muted);margin:0 0 15px}.help li{margin:5px 0}kbd{font-family:var(--mono);font-size:10px;background:white;border:1px solid var(--line);padding:1px 3px;border-radius:3px}code{font-size:11px}.form-divider{height:1px;background:var(--line);margin:26px 0}.required-label,.optional-label{font-size:10px;font-weight:400;color:var(--muted);margin-left:7px}.email-label{margin-top:18px}.primary-button{width:100%;min-height:48px;background:var(--green);color:#fff;border:1px solid transparent;border-radius:8px;font-weight:600;padding:12px 17px;display:flex;align-items:center;justify-content:space-between;margin-top:22px;transition:background .15s}.primary-button span{font-size:23px;font-weight:400;line-height:1}.primary-button:hover{background:#194737}.privacy-note{display:flex;gap:8px;font-size:10px;line-height:1.9;color:var(--muted);margin:16px 0 0}.privacy-note span{font-size:17px}.right-column{display:grid;gap:22px}.progress-panel{scroll-margin-top:22px}.status-pill{margin-left:auto;font-size:10px;white-space:nowrap;color:var(--muted);border-radius:20px;padding:4px 10px;background:#f0f4ef}.status-pill[data-status="success"]{background:#e8f3e7;color:#2c643d}.status-pill[data-status="processing"]{background:#fff4dd;color:#805f1b}.status-pill[data-status="failed"]{background:#fff0e9;color:#9a4935}.lookup-input-row{display:flex;gap:8px}.lookup-input-row input{font-size:12px;flex:1;min-width:0}.query-button{white-space:nowrap;background:#eef3ec;border:1px solid #cfddcc;color:var(--green);font-size:12px;font-weight:600;border-radius:8px;padding:10px 14px;min-height:48px}.query-button:hover{background:#e0eadc}.result-placeholder{text-align:center;padding:42px 0 36px;min-height:272px}.placeholder-icon{width:54px;height:54px;display:grid;place-items:center;margin:0 auto 15px;border-radius:16px;background:#eef3ec;color:#81a289;font-size:31px}.result-placeholder h3{font-size:16px;font-weight:500;margin:0 0 8px}.result-placeholder p{font-size:12px;color:var(--muted);line-height:1.9;margin:0 0 22px}.placeholder-caption{font:8px var(--mono);letter-spacing:1.7px;color:#7b8e80}.status-legend{border-top:1px solid var(--line);padding-top:17px;display:flex;justify-content:center;gap:25px;color:var(--muted);font-size:11px}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:4px}.dot.processing{background:#bd9443}.dot.success{background:#548460}.dot.failed{background:#bb7962}.notes-panel{padding:0 14px}.notes-panel .eyebrow{font-size:9px;margin:0 0 6px}.notes-panel h2{font-size:16px;font-weight:500;margin:0 0 8px}.notes-panel details{border-bottom:1px solid var(--line)}.notes-panel summary{font-size:12px;font-weight:500}.notes-panel summary:after{content:"＋";color:#7b8e80;font-size:15px}.notes-panel details[open] summary:after{content:"−"}.notes-panel details p{color:var(--muted);font-size:12px;margin:0 0 15px;line-height:1.8}.flash{border-radius:9px;padding:16px;font-size:12px;overflow-wrap:anywhere;margin-top:18px}.flash b{display:block;font-size:15px;margin-bottom:7px;font-weight:600}.flash a{display:inline-block;min-height:36px;padding-top:9px;font-weight:600}.flash.ok{background:#edf5e9;border:1px solid #c4daba;color:#335a35}.flash.err{background:#fff0eb;border:1px solid #e1c2b7;color:#934432}#lookup-ok[data-status="processing"]{background:#fff7e5;border-color:#e3d4ac;color:#786329}#lookup-ok[data-status="failed"]{background:#fff0eb;border-color:#e1c2b7;color:#934432}.lookup-result{min-height:150px;margin-bottom:22px}.last-checked{color:var(--muted);font-size:10px;text-align:right}.field-hint.err{color:#a03a31}.is-invalid{border-color:#bb6b5c}footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-top:35px;padding:24px 0 28px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}footer>span{font-family:var(--mono);font-size:10px;letter-spacing:.4px}footer p{margin:0;font-size:10px}footer a{font-size:10px;text-decoration:none}.footer-divider{margin:0 8px;color:#a8b7ac}.skip-link{position:fixed;top:-100px;left:16px;padding:10px 16px;background:var(--green);color:white;z-index:10}.skip-link:focus{top:10px}dialog{width:min(400px,calc(100% - 32px));border:1px solid var(--line);border-radius:18px;background:var(--surface);padding:28px;color:var(--ink);box-shadow:0 20px 80px #142b3429}dialog::backdrop{background:#1a342b66;backdrop-filter:blur(4px)}.dialog-header{display:flex;justify-content:space-between;align-items:center}.dialog-header .eyebrow{margin:0;font-size:9px}.dialog-close{border:0;background:none;color:var(--muted);font-size:26px;min-width:44px;min-height:44px;margin:-10px -10px -10px 0}dialog h2{font-size:24px;margin:18px 0 6px}dialog p{font-size:13px;color:var(--muted)}.group-number{display:block;font:30px var(--mono);letter-spacing:1px;margin:24px 0}.wait-message{padding-top:4px}
@media(min-width:1000px){.progress-panel{min-height:490px}}
@media(max-width:900px){.site-shell{width:calc(100% - 40px)}.workspace{gap:18px;grid-template-columns:1fr 1fr}.panel{padding:22px}.section-tag{display:none}.hero h1{font-size:35px}.hero-note{padding-left:18px;gap:12px}.section-title{gap:8px}.section-title h2{font-size:17px}.query-button{padding:10px}.status-legend{gap:17px}}
@media(max-width:680px){.site-shell{width:calc(100% - 32px)}.masthead{height:86px}.brand{gap:9px}.brand-mark{width:37px;height:37px;font-size:25px;border-radius:10px}.brand b{font-size:17px}.brand small{font-size:9px;letter-spacing:1.5px}.support-link{font-size:10px}.support-link span{font-size:11px}.hero{padding:29px 0 25px}.hero h1{font-size:34px;letter-spacing:-1.2px;margin-bottom:12px}.hero .eyebrow{font-size:9px;letter-spacing:1.6px}.hero-description{font-size:12px}.hero-note{display:none}.mobile-break{display:block}.workspace{grid-template-columns:1fr;gap:20px}.panel{padding:23px 20px;border-radius:14px}.section-title h2{font-size:18px}.section-tag{display:block;font-size:9px}.section-description{font-size:12px}.import-row{gap:9px}.import-row small{font-size:9px}.right-column{gap:24px}.result-placeholder{padding:30px 0;min-height:245px}footer{margin-top:28px;display:grid;gap:9px;font-size:9px}footer p{font-size:9px}footer a{padding:8px 0;min-height:36px}.notes-panel{padding:0 10px}.lookup-input-row input{font-size:12px}.section-title{margin-bottom:16px}.privacy-note{font-size:10px}.textarea-footer .field-hint{font-size:10px}.placeholder-caption{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.support-link{text-decoration:none}.support-link:hover span{text-decoration:underline;text-underline-offset:4px}.footer-actions{display:flex;align-items:center;gap:20px}.footer-actions .text-button{font-size:10px;margin:0;min-height:36px}
.header-actions{display:flex;align-items:center;justify-content:flex-end;gap:24px}.faq-link{display:inline-flex;align-items:center;min-height:44px;font-size:12px;white-space:nowrap;text-decoration:none}.faq-link:hover{text-decoration:underline}@media(max-width:680px){.masthead{height:auto;min-height:86px;flex-wrap:wrap;gap:8px;padding:14px 0}.header-actions{gap:14px}.faq-link{font-size:11px}}