*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#f7f8fc;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--brand:#4f46e5;--brand2:#06b6d4;--radius:16px}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;gap:12px}
.logo{display:flex;align-items:center;gap:10px}
.logo-badge{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;font-weight:800;font-size:20px}
.logo strong{display:block;line-height:1.1}
.logo small{color:var(--muted);font-size:12px}
.nav{display:flex;gap:18px}
.nav a{text-decoration:none;color:var(--muted);font-weight:500;font-size:14px}
.nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border:1px solid transparent;border-radius:10px;padding:12px 20px;font-weight:600;cursor:pointer;font-size:15px;transition:.15s}
.btn-primary{background:linear-gradient(135deg,var(--brand),#7c3aed);color:#fff}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:8px 14px;font-size:13.5px;border-radius:8px}
.hero{padding:56px 0 28px;background:radial-gradient(800px 400px at 20% 0%,#e0e7ff,transparent),radial-gradient(700px 350px at 90% 10%,#cffafe,transparent)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.pill{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;color:#334155;margin-bottom:14px}
.hero h1{font-size:clamp(30px,4.5vw,52px);line-height:1.08;letter-spacing:-.02em;margin-bottom:14px}
.grad{background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:#475569;font-size:17px;max-width:560px;margin-bottom:20px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.hero-stats{display:flex;gap:28px}
.hero-stats strong{display:block;font-size:22px}
.hero-stats span{color:var(--muted);font-size:13px}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 20px 60px rgba(79,70,229,.12)}
.hero-card-head{display:flex;align-items:center;gap:6px;padding:12px 16px;border-bottom:1px solid var(--line);background:#f8fafc}
.dot{width:11px;height:11px;border-radius:50%}
.dot.r{background:#f87171}.dot.y{background:#fbbf24}.dot.g{background:#34d399}
.hero-card-title{margin-left:8px;font-size:13px;color:var(--muted);font-weight:600}
.mini-tabs{display:flex;gap:8px;padding:12px 16px 0;flex-wrap:wrap}
.mini-tabs span{font-size:12px;font-weight:600;background:#f1f5f9;border-radius:999px;padding:5px 12px;color:#64748b}
.mini-tabs span.active{background:#eef2ff;color:var(--brand)}
.hero-card-body{padding:18px}
.hero-card-body h3{margin-bottom:8px}
.hero-card-body p{color:#475569;font-size:14.5px;margin-bottom:12px}
.hero-card-body ul{list-style:none;font-size:14px;color:#334155}
.hero-card-body li{margin:5px 0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:28px 0}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;gap:12px;align-items:flex-start}
.step span{width:32px;height:32px;border-radius:10px;background:#eef2ff;color:var(--brand);display:grid;place-items:center;font-weight:800;flex-shrink:0}
.step p{color:var(--muted);font-size:13.5px}
.generator{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px;margin:10px 0 28px;box-shadow:0 10px 40px rgba(0,0,0,.05)}
.gen-head h2{font-size:28px;letter-spacing:-.02em}
.gen-head p{color:var(--muted);margin:4px 0 18px}
.gen-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:20px;align-items:start}
.panel{border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff}
.form-panel{background:#fbfcff}
.panel h3{font-size:15px;margin:6px 0 12px;text-transform:uppercase;letter-spacing:.04em;color:#334155}
.req-note{font-size:11px;color:var(--muted);font-weight:400;text-transform:none}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid label{font-size:13px;font-weight:600;color:#334155;display:flex;flex-direction:column;gap:6px}
.form-grid label.full{grid-column:1/-1}
input,select,textarea{font:inherit;font-weight:400;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff;width:100%;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid #c7d2fe;border-color:var(--brand)}
textarea{resize:vertical}
.row-btns{display:flex;gap:8px;margin:12px 0 16px}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 16px;font-weight:600;font-size:13.5px;cursor:pointer}
.tab.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.opts{display:none}
.opts.active{display:block;animation:fade .2s}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1}}
.preview-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.preview-top h3{font-size:20px}
.preview-top small{color:var(--muted)}
.export-btns{display:flex;gap:6px;flex-wrap:wrap}
.tone-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap;background:#f8fafc;border:1px dashed var(--line);border-radius:10px;padding:8px 12px;margin-bottom:12px;font-size:13px}
.tone-row select{width:auto;padding:6px 10px}
.check{display:flex;align-items:center;gap:6px;font-weight:500}
.check input{width:auto}
.preview-doc{border:1px solid var(--line);border-radius:12px;padding:22px;background:#fff;max-height:640px;overflow:auto;font-size:14.5px}
.preview-doc h1{font-size:24px;margin-bottom:4px}
.preview-doc h2{font-size:17px;margin:18px 0 6px;color:#1e293b}
.preview-doc p{color:#334155;margin:7px 0}
.preview-doc ul{margin:6px 0 6px 20px;color:#334155}
.preview-doc .eff{color:var(--muted);font-size:13px;margin-bottom:10px}
.cards h2,.faq h2{margin:10px 0 14px;font-size:24px}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.card .ico{font-size:26px}
.card h3{margin:8px 0 6px}
.card p{color:var(--muted);font-size:13.5px}
.faq{margin:26px 0}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px}
.faq summary{font-weight:600;cursor:pointer}
.faq p{color:#475569;margin-top:8px;font-size:14.5px}
.footer{border-top:1px solid var(--line);padding:22px 0 40px;margin-top:10px;color:#475569;font-size:14px}
.muted{color:var(--muted);font-size:13px}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);background:#0f172a;color:#fff;padding:12px 20px;border-radius:999px;font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:.25s;z-index:50}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media(max-width:960px){
  .hero-grid,.gen-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .nav{display:none}
}
@media(max-width:560px){.form-grid{grid-template-columns:1fr}.card-grid{grid-template-columns:1fr}}
@media print{
  body *{visibility:hidden}
  #preview,#preview *{visibility:visible}
  #preview{position:absolute;left:0;top:0;max-height:none;border:none;width:100%}
}