:root{--bg:#f7f8fc;--card:#fff;--ink:#111827;--muted:#667085;--line:#e5e7ef;--p:#6547e7;--b:#2877ff;--g:#12a87b;--red:#e5484d;--shadow:0 22px 70px rgba(24,31,60,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(900px 350px at 8% -8%,rgba(101,71,231,.14),transparent 60%),radial-gradient(800px 300px at 92% -8%,rgba(40,119,255,.10),transparent 60%),var(--bg);color:var(--ink)}
a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.wrap{width:min(1120px,calc(100% - 28px));margin:auto}.nav{position:sticky;top:0;z-index:40;background:rgba(247,248,252,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,231,239,.9)}.navin{height:70px;display:flex;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-weight:950;letter-spacing:-.5px;white-space:nowrap}.logo{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--p),var(--b));color:#fff;font-size:12px;box-shadow:0 10px 24px rgba(101,71,231,.25)}.brand em{font-style:normal;color:var(--p)}.navlinks{display:flex;gap:18px;margin-left:auto;color:#475467;font-size:14px;font-weight:700}
.btn{border:0;border-radius:12px;padding:11px 15px;font-weight:850;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.2s}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.primary{background:linear-gradient(135deg,var(--p),var(--b));color:#fff;box-shadow:0 12px 26px rgba(101,71,231,.22)}.ghost{background:#fff;border:1px solid var(--line);color:#344054}.danger{background:#fff0f0;color:#b42318;border:1px solid #ffd4d4}
.hero{text-align:center;padding:52px 0 18px}.pill{display:inline-flex;padding:8px 11px;border-radius:999px;background:#f0ecff;border:1px solid #ded6ff;color:#5d40d4;font-size:12px;font-weight:850}h1{font-size:clamp(40px,6vw,66px);line-height:1;letter-spacing:-3px;margin:18px auto 13px}.grad{background:linear-gradient(90deg,var(--p),var(--b),#06b6d4);-webkit-background-clip:text;background-clip:text;color:transparent}.hero>div>p{max-width:780px;margin:auto;color:var(--muted);font-size:17px;line-height:1.7}
.workspace{margin:28px auto 0;background:#fff;border:1px solid var(--line);border-radius:26px;padding:22px;box-shadow:var(--shadow);text-align:left}.drop{border:1.5px dashed #c8d0e1;border-radius:20px;padding:32px;text-align:center;background:linear-gradient(180deg,#fff,#fafbfe);transition:.2s}.drop.drag{border-color:var(--p);background:#f7f4ff}.uicon{width:70px;height:70px;border-radius:22px;display:grid;place-items:center;margin:0 auto 13px;background:linear-gradient(135deg,#eee9ff,#e7f3ff);font-size:29px}.drop h2{margin:0 0 7px}.drop p{margin:0 0 16px;color:var(--muted);font-size:14px}.hint{margin-top:10px;color:#7b8496;font-size:12px}
.editor{display:none;margin-top:18px}.editor.show{display:block}.file-summary{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:14px;padding:12px;background:#fafbfe}.fileico{width:46px;height:46px;border-radius:12px;background:#fff0f0;color:#d33b3b;display:grid;place-items:center;font-size:10px;font-weight:950;flex:0 0 auto}.fmeta{min-width:0;flex:1}.fmeta b{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fmeta span{display:block;margin-top:4px;color:#7a8394;font-size:12px}
.toolbar,.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:15px}.toolbar .spacer,.actions .spacer{margin-left:auto}.field{margin-top:14px}.field label{display:block;font-size:12px;color:#475467;font-weight:850;margin-bottom:7px}.input,.select,.textarea{width:100%;border:1px solid #d7dce6;background:#fff;border-radius:11px;padding:12px;outline:0}.textarea{min-height:120px;resize:vertical}.input:focus,.select:focus,.textarea:focus{border-color:#9987ef;box-shadow:0 0 0 3px rgba(101,71,231,.08)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.pages{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-top:15px}.pagecard{border:2px solid transparent;background:#fafbfe;border-radius:15px;padding:9px;cursor:pointer;position:relative;transition:.2s}.pagecard:hover{border-color:#d8d1ff}.pagecard.selected{border-color:var(--p);background:#f8f5ff}.thumb{aspect-ratio:1/1.28;background:#eef0f4;border-radius:10px;display:grid;place-items:center;overflow:hidden}.thumb canvas,.thumb img{max-width:100%;max-height:100%;display:block}.pageno{margin-top:7px;font-size:11px;color:#667085;text-align:center;font-weight:750}.check{position:absolute;right:7px;top:7px;width:23px;height:23px;border-radius:8px;background:#fff;border:1px solid #d7dce6;display:grid;place-items:center;font-size:12px;color:transparent}.pagecard.selected .check{background:var(--p);border-color:var(--p);color:#fff}
.previewbox{margin-top:15px;background:#eef0f4;border:1px solid var(--line);border-radius:16px;padding:12px;display:flex;justify-content:center;overflow:auto}.previewbox canvas{max-width:100%;height:auto;background:#fff;box-shadow:0 8px 25px rgba(0,0,0,.09)}.canvas-sign{width:100%;height:180px;border:1px dashed #c8d0e1;background:#fff;border-radius:13px;touch-action:none}
.status{margin-top:14px;display:none;border-radius:13px;padding:12px 14px;font-size:13px}.status.show{display:block}.status.info{background:#eef4ff;color:#305b9e}.status.ok{background:#e9f9f2;color:#13795b}.status.err{background:#fff0f0;color:#b42318}.progress-wrap{display:none;margin-top:14px}.progress-wrap.show{display:block}.progress{height:8px;background:#eceef4;border-radius:999px;overflow:hidden}.bar{height:100%;width:0;background:linear-gradient(90deg,var(--p),var(--b));transition:.25s}.progress-text{margin-top:7px;font-size:12px;color:#667085}
.trust{margin:18px 0 0;display:flex;justify-content:center;gap:18px;flex-wrap:wrap;font-size:12px;color:#667085;font-weight:700}.section{padding:52px 0}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.info,.seo{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px}.info b{display:block;margin:11px 0 7px}.info p,.seo p,.seo li{margin:0;color:var(--muted);font-size:13px;line-height:1.7}.seo{border-radius:22px;padding:25px}.seo p{font-size:14px;margin:9px 0}.related{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.tool{background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px;transition:.2s}.tool:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(24,31,60,.08)}.tool b{display:block;margin-bottom:5px}.tool span{font-size:12px;color:#667085}
.resultbox{margin-top:14px;border:1px solid var(--line);border-radius:14px;padding:14px;background:#fafbfe;display:none}.resultbox.show{display:block}.resultbox pre{white-space:pre-wrap;max-height:320px;overflow:auto;font-size:12px;color:#475467}
footer{border-top:1px solid var(--line);padding:34px 0 48px;color:#667085;font-size:12px}.mobilebar{display:none;position:fixed;left:10px;right:10px;bottom:10px;z-index:50;background:rgba(17,24,39,.94);backdrop-filter:blur(16px);padding:8px;border-radius:16px}.mobilebar .btn{width:100%}
@media(max-width:900px){.navlinks{display:none}.pages{grid-template-columns:repeat(4,minmax(0,1fr))}.info-grid{grid-template-columns:1fr}.related{grid-template-columns:repeat(2,1fr)}}
@media(max-width:650px){.wrap{width:min(100% - 20px,1120px)}.navin{height:64px}.brand{font-size:15px}.logo{width:34px;height:34px}.hero{padding-top:38px}h1{letter-spacing:-2px}.hero>div>p{font-size:15px}.workspace{padding:12px;border-radius:20px}.drop{padding:24px 14px}.grid2,.grid3{grid-template-columns:1fr}.pages{grid-template-columns:repeat(2,minmax(0,1fr))}.toolbar .spacer,.actions .spacer{display:none}.toolbar .btn,.actions .btn{flex:1}.actions{align-items:stretch}.actions>.btn{width:100%}.related{grid-template-columns:1fr}.mobilebar{display:block}body{padding-bottom:76px}}