:root{--paper:#f4f6f8;--surface:#fff;--ink:#18212b;--muted:#63707d;--track-ink:#556270;--fund-red:#a6192e;--fund-red-dark:#821124;--pale-red:#f7e9ec;--success:#137a63;--success-pale:#e8f4f0;--amber:#a66513;--amber-pale:#fbf2e4;--line:#d8dee5;--line-strong:#b9c2cc;--display:"Songti SC", SimSun, serif;--body:"PingFang SC", "Microsoft YaHei", sans-serif;--mono:SFMono-Regular, "Cascadia Mono", Consolas, monospace;--space-1:.375rem;--space-2:.75rem;--space-3:1.125rem;--space-4:1.5rem;--space-5:2rem;--space-6:3rem;--radius:3px;color:var(--ink);font-family:var(--body);font-synthesis:none;background:var(--paper)}*{box-sizing:border-box}body{background:linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 100% 32px, var(--paper);min-width:320px;min-height:100vh;color:var(--ink);margin:0}button,input{font:inherit}button{color:inherit}.app-shell{width:min(1180px,100% - 64px);margin:0 auto;padding:48px 0 56px}.masthead{padding:0 2px 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p{color:var(--muted);margin:0;font-size:.82rem;line-height:1.6}.file-mark{border:1px solid var(--fund-red);width:56px;height:68px;color:var(--fund-red);font:700 .65rem var(--mono);letter-spacing:.08em;box-shadow:7px 7px 0 var(--pale-red);background:#fff;place-items:center;display:grid}.button{border:1px solid var(--line-strong);border-radius:var(--radius);cursor:pointer;background:#fff;min-height:44px;padding:0 18px;font-weight:650;transition:background-color .14s,border-color .14s,transform .14s}.button:hover:not(:disabled){border-color:var(--ink);transform:translateY(-1px)}.button:focus-visible,.dropzone:focus-visible{outline-offset:3px;outline:3px solid #a6192e40}.button:disabled{cursor:not-allowed;opacity:.48}.button-primary{border-color:var(--fund-red);background:var(--fund-red);color:#fff;width:100%}.button-primary:hover:not(:disabled){border-color:var(--fund-red-dark);background:var(--fund-red-dark)}.selected-file{border-bottom:1px solid 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