:root{color-scheme:dark;--bg: #2b2d31;--panel: #1e1f22;--border: #3a3d44;--text: #e6e6e6;--muted: #9aa0a6;--green: #3fb950}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px}.app{display:flex;flex-direction:column;height:100%}.toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:10px 14px;border-bottom:1px solid var(--border)}.title{font-size:16px;font-weight:600;margin:0 6px 0 0}.spacer{flex:1}button{background:#3a3d44;color:var(--text);border:1px solid #4a4d55;border-radius:6px;padding:6px 14px;cursor:pointer;font-size:14px}button:hover:not(:disabled){background:#454953}button:disabled{color:#777;background:#33353a;cursor:not-allowed}button.primary{background:var(--green);border:none;color:#0d1117;font-weight:600}button.primary:hover:not(:disabled){background:#46c95a}button.primary:disabled{background:#2f5a37;color:#88a}.chk{display:inline-flex;align-items:center;gap:6px;color:#c8c8c8;-webkit-user-select:none;user-select:none}.badge{font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid var(--border);color:var(--muted);white-space:nowrap}.badge.ready{color:var(--green);border-color:var(--green)}.badge.failed{color:#ff6b6b;border-color:#ff6b6b}.pager{display:flex;align-items:center;gap:10px;padding:8px 14px;border-bottom:1px solid var(--border);background:var(--panel)}.pager-info{color:var(--text);display:inline-flex;align-items:center;gap:6px}.page-input{width:52px;padding:3px 6px;text-align:center;color:var(--text);background:#1e1f22;border:1px solid var(--border);border-radius:4px}.page-input:focus{outline:none;border-color:var(--green)}.page-input::-webkit-outer-spin-button,.page-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.pager-hint{color:var(--muted);font-size:12px}.content{flex:1;display:flex;gap:10px;padding:10px 14px;min-height:0}.viewer{flex:3;display:flex;background:var(--panel);border:1px solid var(--border);border-radius:8px;overflow:auto;padding:12px}.viewer.drag{border-color:var(--green);background:#1b2a1d}.canvas{margin:auto;max-width:100%;height:auto;border-radius:4px}.placeholder{margin:auto;color:#8a8f98;text-align:center;line-height:1.8;padding:40px}.placeholder-hint{margin-top:12px;font-size:13px;color:#6e747d}.loading-box{display:flex;flex-direction:column;align-items:center;gap:12px}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--green);border-radius:50%;transform:translateZ(0);will-change:transform;animation:spin 1s cubic-bezier(.5,.15,.5,.85) infinite}@keyframes spin{to{transform:translateZ(0) rotate(360deg)}}.result{flex:2;display:flex;flex-direction:column;min-width:280px}.result-bar{display:flex;align-items:center;gap:8px;margin-bottom:6px}.result-bar>span:first-child{color:#c8c8c8}.text{flex:1;resize:none;background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:10px;font-size:14px;line-height:1.6;font-family:inherit}.text:focus{outline:none;border-color:var(--green)}.statusbar{display:flex;align-items:center;gap:12px;padding:8px 14px;border-top:1px solid var(--border);color:var(--muted);font-size:13px}.feedback-link{margin-left:auto;color:var(--green);text-decoration:none;white-space:nowrap}.feedback-link:hover{text-decoration:underline}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{width:320px;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:18px;box-shadow:0 12px 32px #00000073}.modal-title{font-size:15px;font-weight:600;margin-bottom:10px}.modal-body{color:var(--muted);margin-bottom:10px}.modal-input{width:100%;padding:8px 10px;color:var(--text);background:var(--panel);border:1px solid var(--border);border-radius:6px}.modal-input:focus{outline:none;border-color:var(--green)}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.dl-link{color:var(--green);text-decoration:none;border:1px solid var(--green);border-radius:6px;padding:6px 14px;font-size:14px}.dl-link:hover{background:#3fb9501f}.download{display:flex;flex-direction:column;height:100%}.dl-main{flex:1;overflow:auto;padding:44px 24px 56px;max-width:860px;width:100%;margin:0 auto}.dl-hero{text-align:center;margin-bottom:34px}.dl-hero-title{font-size:30px;font-weight:700;letter-spacing:-.02em;margin:0 0 12px}.dl-hero-sub{color:var(--muted);font-size:15px;line-height:1.7;max-width:540px;margin:0 auto 20px}.dl-hero-sub strong{color:var(--text);font-weight:600}.dl-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.dl-chip{font-size:12px;color:var(--muted);padding:4px 12px;border:1px solid var(--border);border-radius:999px;background:#ffffff05}.dl-warn{background:#3a2a1d;border:1px solid #8a5a2b;color:#f0c089;border-radius:10px;padding:10px 14px;margin-bottom:18px;line-height:1.6}.dl-picker{margin-top:8px}.dl-os-tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.dl-os-tab{position:relative;display:inline-flex;align-items:center;gap:9px;padding:11px 20px;border:1px solid var(--border);background:var(--panel);border-radius:12px;color:var(--muted);cursor:pointer;font-size:14px;font-weight:500;transition:border-color .15s ease,color .15s ease,background .15s ease}.dl-os-tab svg{width:18px;height:18px}.dl-os-tab:hover:not(:disabled){border-color:#565b64;color:var(--text)}.dl-os-tab.active{border-color:var(--green);color:var(--text);background:#3fb9501a}.dl-tab-rec{font-size:10px;font-weight:700;color:var(--green);background:#3fb95029;border-radius:999px;padding:1px 7px}.dl-panel{margin-top:16px;background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:24px}.dl-arch{display:inline-flex;gap:4px;padding:4px;background:#17181b;border:1px solid var(--border);border-radius:11px;margin-bottom:20px}.dl-arch button{display:inline-flex;align-items:center;gap:6px;border:none;background:transparent;padding:7px 14px;border-radius:8px;color:var(--muted);font-size:13px;cursor:pointer;transition:background .15s ease,color .15s ease}.dl-arch button:hover:not(.active){color:var(--text)}.dl-arch button.active{background:#2f3136;color:var(--text)}.dl-arch-rec{font-size:10px;font-weight:700;color:var(--green)}.dl-download{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.dl-btn-primary{display:inline-flex;align-items:center;gap:9px;background:var(--green);color:#0d1117;border:none;border-radius:11px;padding:13px 24px;font-size:15px;font-weight:600;cursor:pointer;transition:background .15s ease,transform .1s ease}.dl-btn-primary svg{width:18px;height:18px}.dl-btn-primary:hover:not(:disabled){background:#46c95a}.dl-btn-primary:active:not(:disabled){transform:translateY(1px)}.dl-btn-primary:disabled{background:#33353a;color:#6e747d;cursor:not-allowed}.dl-download-info{display:flex;flex-direction:column;gap:3px;min-width:0}.dl-file{font-size:13px;color:var(--text);word-break:break-all}.dl-meta{font-size:12px;color:var(--muted)}.dl-run{margin-top:22px;padding-top:18px;border-top:1px solid var(--border)}.dl-run-title{font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}.dl-run-text{margin:0;color:var(--muted);font-size:13px;line-height:1.75}.dl-run-text code,.dl-warn code{background:#17181b;border:1px solid var(--border);border-radius:4px;padding:1px 5px;font-size:12px;color:var(--text)}.dl-links{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:26px;padding-top:18px;border-top:1px solid var(--border);color:var(--muted);font-size:13px;line-height:1.7}.dl-links b{color:var(--text);font-weight:600}.dl-links a{color:var(--green);text-decoration:none}.dl-links a:hover{text-decoration:underline}.dl-feedback{white-space:nowrap}@media (max-width: 720px){body{font-size:13px}.app{height:auto;min-height:100%}.toolbar{gap:8px;padding:10px 12px}.toolbar .spacer{flex-basis:100%;height:0}.pager{flex-wrap:wrap;gap:8px 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