:root{--bg: #0f1522;--bg-soft: #16233b;--card: #1a2440;--card-soft: #1f2c4a;--border: #2c3a5e;--border-bright: #3a4a75;--text: #e6ecf7;--muted: #8fa0c0;--primary: #4f8bff;--primary-strong: #6ea0ff;--primary-dark: #3b6ed9;--code-bg: #0e1526;--accent: #3ddc97;--danger: #ff6b6b;--radius: 10px}*{box-sizing:border-box;margin:0;padding:0}html{color-scheme:dark}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Roboto,sans-serif;background:var(--bg);background-image:radial-gradient(1200px 500px at 50% -10%,rgba(79,139,255,.12),transparent 60%),radial-gradient(800px 400px at 90% 110%,rgba(61,220,151,.06),transparent 60%);color:var(--text);line-height:1.55;min-height:100vh}.page{max-width:1180px;margin:0 auto;padding:28px 20px 40px}.main-title{text-align:center;background:linear-gradient(90deg,#6ea0ff,#3ddc97);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--primary-strong);font-size:30px;font-weight:800;letter-spacing:.5px;text-shadow:0 0 30px rgba(79,139,255,.25)}.main-sub{text-align:center;color:var(--muted);font-size:13px;margin:6px 0 20px}.tabs{display:flex;justify-content:center;gap:6px;background:#121a2c;border:1px solid var(--border);border-radius:8px 8px 0 0;padding:8px}.tab{border:none;background:transparent;color:var(--muted);font-size:14px;font-weight:600;padding:8px 26px;border-radius:6px;cursor:pointer;transition:all .15s}.tab:hover{color:var(--text);background:#ffffff0a}.tab.active{background:var(--card-soft);color:var(--primary-strong);box-shadow:0 1px 6px #0006}.card{background:var(--card);border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius) var(--radius);box-shadow:0 10px 30px #00000059;padding:18px}.tab-panel[hidden]{display:none}.code-area{width:100%;min-height:300px;resize:vertical;background:var(--code-bg);border:1px solid var(--border);border-radius:8px;color:#d7e2f5;padding:14px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:13px;line-height:1.55;outline:none;-moz-tab-size:2;tab-size:2}.code-area::placeholder{color:#52627f}.code-area:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f8bff26}.btn-primary{cursor:pointer;border:none;background:linear-gradient(180deg,var(--primary-strong),var(--primary-dark));color:#fff;font-size:14px;font-weight:700;padding:11px 22px;border-radius:8px;box-shadow:0 4px 14px #4f8bff59;transition:all .15s}.btn-primary:hover{background:linear-gradient(180deg,var(--primary-strong),var(--primary));box-shadow:0 6px 18px #4f8bff80}.btn-block{width:100%}.btn-ghost{cursor:pointer;border:1px solid var(--border);background:var(--card-soft);color:var(--muted);font-size:12px;padding:6px 14px;border-radius:6px}.btn-ghost:hover{border-color:var(--primary);color:var(--primary-strong)}.source-bar,.result-bar{display:flex;align-items:center;gap:12px;margin-top:10px}.size{color:var(--muted);font-size:13px;font-family:Consolas,Menlo,monospace;white-space:nowrap}.small-actions{display:flex;gap:8px;margin-top:10px}.drop-zone{border:2px dashed var(--border);border-radius:10px;padding:60px 20px;text-align:center;color:var(--muted);cursor:pointer;transition:all .15s;background:var(--code-bg)}.drop-zone:hover,.drop-zone.over{border-color:var(--primary);color:var(--primary-strong)}.drop-zone p{font-size:16px}.drop-zone .drop-sub{font-size:13px;margin-top:6px}.options{margin-top:18px}.opt-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}@media (max-width: 1024px){.opt-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 600px){.opt-grid{grid-template-columns:1fr}}.opt-col{background:var(--card-soft);border:1px solid var(--border);border-radius:8px;overflow:hidden}.opt-title{background:#16233b;color:var(--primary-strong);font-size:13px;font-weight:700;padding:8px 12px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:6px}.opt-title:before{content:"";width:3px;height:12px;border-radius:2px;background:linear-gradient(180deg,var(--primary-strong),var(--accent))}.opt-body{padding:10px 12px;display:flex;flex-direction:column;gap:6px}.preset-opt{display:flex;align-items:flex-start;gap:8px;font-size:13px;cursor:pointer;padding:4px 0;color:var(--text)}.preset-opt input{accent-color:var(--primary);margin-top:3px}.preset-opt:hover{color:var(--primary-strong)}.preset-hint{font-size:12px;color:var(--muted);margin-top:4px}.cfg-row{display:flex;align-items:center;gap:7px;font-size:13px;cursor:pointer;color:var(--text);padding:2px 0}.cfg-row:hover{color:var(--primary-strong)}.cfg-row input[type=checkbox],.cfg-row input[type=radio]{accent-color:var(--primary);width:14px;height:14px;cursor:pointer}.cfg-row.with-input{gap:6px;flex-wrap:wrap;align-items:center}.cfg-opt{display:inline-flex;align-items:center;gap:6px;min-width:0}.cfg-opt label{cursor:pointer}.cfg-input{width:68%;flex:1 1 68%;min-width:96px;height:30px;background:#0e1526;border:1px solid var(--border-bright);border-radius:6px;color:var(--text);padding:4px 8px;font-size:13px;outline:none;accent-color:var(--primary)}select.cfg-input{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto;height:30px;cursor:pointer}.cfg-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px #4f8bff2e}input[type=date].cfg-input{color-scheme:dark}.cfg-input::placeholder{color:#52627f}.sub-row{padding-left:20px;flex-wrap:wrap}.sub-label{width:100%;font-size:12px;color:var(--muted)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#2c3a5e;border-radius:6px}::-webkit-scrollbar-thumb:hover{background:#3a4a75}.foot{text-align:center;color:var(--muted);font-size:12px;margin-top:18px}.modal[hidden]{display:none!important}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#060a12b8;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal-box{background:var(--card);border:1px solid var(--border-bright);border-radius:var(--radius);width:100%;max-width:720px;max-height:80vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 60px #00000080}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border)}.modal-head h3{font-size:15px}.modal-body{padding:16px;overflow:auto;white-space:pre-wrap;word-break:break-word;font-family:Consolas,Menlo,monospace;font-size:13px;line-height:1.6;background:var(--code-bg);color:#d7e2f5;border-radius:0 0 var(--radius) var(--radius)}input[type=checkbox]:checked{accent-color:var(--primary)}input[type=radio]:checked{accent-color:var(--primary)}