:root{--ink:#1f2d2b;--muted:#77817e;--green:#176b50;--mint:#e7f2eb;--line:#e6eae6;--paper:#f8faf7}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button,a,label{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}[hidden]{display:none!important}a{color:var(--green)}:focus-visible{outline:3px solid #75af95;outline-offset:4px}.top{max-width:1240px;margin:auto;padding:28px 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12px}h3{font-size:15px;margin:0}.intro-copy{color:var(--muted);line-height:1.9;margin:0}.steps{display:flex;max-width:640px;margin:0 auto 30px;padding:0;list-style:none;justify-content:space-between;gap:20px;font-size:13px;color:#929b95}.steps li{display:flex;align-items:center;gap:8px}.steps span{display:grid;place-items:center;width:26px;height:26px;border:1px solid #d8dfd7;border-radius:50%;font-size:11px}.steps [aria-current]{color:var(--green);font-weight:600}.steps [aria-current] span{color:white;background:var(--green);border-color:var(--green)}.card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 40px #1f362908}.upload{padding:42px 24px;text-align:center;border:1px dashed #c7d6ca}.upload.dragging{background:#edf8f0;border-color:var(--green)}.upload-icon{display:grid;place-items:center;width:52px;height:52px;border:1px solid #dbe8dd;background:#f2f8f2;color:var(--green);border-radius:14px;font-size:27px;margin:0 auto 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