*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{color:#202020;-webkit-font-smoothing:antialiased;background:#f5f5f5;font-family:Arial,Helvetica,Microsoft YaHei,Yu Gothic,Malgun Gothic,sans-serif}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.page{place-items:center;min-height:100vh;padding:24px;display:grid}.card{background:#fff;border:1px solid #ddd;border-radius:10px;width:100%;max-width:420px;padding:28px;box-shadow:0 4px 18px #0000000d}.header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.language-select{color:#404040;background:#fff;border:1px solid #ccc;border-radius:6px;outline:none;max-width:140px;padding:6px 8px;font-size:12px}.language-select:focus{border-color:#666;box-shadow:0 0 0 2px #0000000f}.title{letter-spacing:-.4px;margin:0;font-size:24px;font-weight:600}.subtitle{color:#707070;margin:8px 0 24px;font-size:14px;line-height:1.5}.label{color:#404040;margin-bottom:7px;font-size:13px;font-weight:600;display:block}.input{color:#202020;background:#fff;border:1px solid #ccc;border-radius:6px;outline:none;width:100%;height:44px;padding:0 12px;font-family:Consolas,Courier New,monospace;font-size:14px}.input:focus{border-color:#666;box-shadow:0 0 0 2px #0000000f}.button{color:#fff;background:#202020;border:1px solid #202020;border-radius:6px;width:100%;min-height:44px;margin-top:14px;padding:10px 16px;font-size:14px;font-weight:600}.button:hover:not(:disabled){background:#383838}.button-secondary{color:#333;background:#fff;border-color:#ccc}.button-secondary:hover:not(:disabled){background:#f5f5f5}.captcha{min-height:65px;margin-top:16px}.error{color:#8b2525;background:#fff5f5;border:1px solid #edcccc;border-radius:6px;margin-top:14px;padding:10px 12px;font-size:13px;line-height:1.45}.status{color:#3e3e3e;background:#f7f7f7;border:1px solid #e2e2e2;border-radius:6px;padding:12px;font-size:13px;line-height:1.5}.status-title{color:#202020;font-weight:600}.progress{background:#e8e8e8;border-radius:4px;height:8px;margin-top:16px;overflow:hidden}.progress-fill{background:#333;height:100%;transition:width .2s}.progress-fill.indeterminate{width:40%;animation:1.2s ease-in-out infinite download-indeterminate}.download-progress-meta{color:#707070;justify-content:space-between;gap:12px;margin-top:8px;font-size:12px;display:flex}.download-progress-details{margin-top:4px}@keyframes download-indeterminate{0%{transform:translate(-100%)}to{transform:translate(250%)}}.progress-text{color:#707070;text-align:right;margin-top:8px;font-size:12px}.notice{color:#4a4a4a;background:#fafafa;border:1px solid #ddd;border-radius:6px;margin-top:16px;padding:12px;font-size:13px;line-height:1.5}.reset{color:#666;background:0 0;border:0;margin:18px auto 0;padding:0;font-size:13px;text-decoration:underline;display:block}.help{color:#888;text-align:center;margin:20px 0 0;font-size:12px;line-height:1.5}@media (max-width:480px){.page{padding:16px}.card{padding:22px}}