:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#eceff5;--paper-deep:#e1e6ee;--paper-veil:#eceff5d6;--surface:#fff;--surface-2:#f5f7fb;--surface-veil:#ffffffeb;--ink:#131926;--ink-soft:#4d5769;--ink-faint:#79849a;--on-accent:#fff;--line:#dce2ea;--line-strong:#c2ccda;--accent:#3550d6;--accent-ink:#2740b0;--accent-soft:#b6c4f7;--accent-wash:#e9edfd;--accent-rgb:53 80 214;--good:#1f7a55;--good-wash:#e2f2ea;--warn:#96570f;--warn-wash:#fbeed7;--alert:#b8443c;--alert-wash:#fbe9e6;--shadow-tint:#1c284217;--shadow-sm:0 1px 2px #1c284212;--shadow-md:0 12px 32px -14px #1c284242;--shadow-lg:0 28px 70px -28px #1c284257;--r-sm:6px;--r-md:10px;--r-lg:16px;--font-ui:"PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;--font-article-zh:"Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", SimSun, serif;--font-article-en:"Iowan Old Style", Charter, "Palatino Linotype", "Book Antiqua", Georgia, serif;--font-utility:"SFMono-Regular", Consolas, "Liberation Mono", monospace;--font-display:var(--font-article-zh)}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--paper:#0f141d;--paper-deep:#0a0e15;--paper-veil:#0f141ddb;--surface:#171e2a;--surface-2:#1d2634;--surface-veil:#171e2aeb;--ink:#eef1f7;--ink-soft:#a9b4c5;--ink-faint:#79859a;--line:#ffffff17;--line-strong:#ffffff2b;--accent:#7d9bff;--accent-ink:#a3b8ff;--on-accent:#101623;--accent-soft:#7d9bff6b;--accent-wash:#7d9bff21;--accent-rgb:125 155 255;--good:#56c48f;--good-wash:#56c48f24;--warn:#e0ad60;--warn-wash:#e0ad6024;--alert:#f08a7e;--alert-wash:#f08a7e24;--shadow-tint:#00000057;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 12px 32px -14px #0009;--shadow-lg:0 28px 70px -28px 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no-repeat, var(--surface);min-height:210px;box-shadow:inset 0 0 0 1px var(--line);text-align:center;place-items:center;padding:32px 24px;transition:background-color .16s,box-shadow .16s;display:grid;position:relative}.drop-zone[data-dragging=true]{--mark-color:var(--accent);background-color:var(--accent-wash);box-shadow:inset 0 0 0 2px var(--accent)}.drop-zone input[type=file]{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.drop-zone__icon{border:1px solid var(--line-strong);width:40px;height:40px;color:var(--accent);border-radius:50%;place-items:center;margin-bottom:14px;transition:transform .18s;display:inline-grid}.drop-zone[data-dragging=true] .drop-zone__icon{border-color:var(--accent);transform:translateY(-3px)}.drop-zone strong{font-family:var(--font-display);letter-spacing:.012em;font-size:18px;display:block}.drop-zone>div>p{color:var(--ink-faint);margin:7px 0 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auto;align-items:center;gap:12px;margin-top:14px;display:grid}.upload-progress>i{background:var(--paper-deep);border-radius:999px;height:4px;display:block;overflow:hidden}.upload-progress>i>i{background:var(--accent);border-radius:999px;height:100%;transition:width .16s;display:block}.upload-progress>span{color:var(--accent-ink);font-family:var(--font-utility);font-variant-numeric:tabular-nums;font-size:11px}.upload-notice,.import-error{border-radius:var(--r-sm);align-items:flex-start;gap:9px;margin:14px 0 0;padding:10px 12px;font-size:12px;line-height:1.65;display:flex}.upload-notice svg,.import-error svg{flex:none;margin-top:3px}.upload-notice{background:var(--good-wash);color:var(--good)}.import-error{background:var(--alert-wash);color:var(--alert)}.document-empty{border:1px dashed var(--line-strong);border-radius:var(--r-md);max-width:none;color:var(--ink-soft);margin:0;padding:30px 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