:root{--bg:#fffdf7;--ink:#23305a;--muted:#5d6a8f;--coral:#ff6b6b;--peach:#ff8e53;--violet:#7c5cff;--teal:#2ec4b6;--sun:#ffd166;--card:#ffffff;--line:#eee6f6}
*{box-sizing:border-box}
body{margin:0;color:var(--ink);font-family:Inter,system-ui,sans-serif;min-height:100vh;background:var(--bg);
  background-image:radial-gradient(700px 420px at 8% -5%,rgba(255,107,107,.28),transparent 60%),
    radial-gradient(600px 400px at 95% 5%,rgba(124,92,255,.25),transparent 60%),
    radial-gradient(700px 500px at 50% 110%,rgba(46,196,182,.22),transparent 60%)}
header{max-width:1100px;margin:0 auto;padding:24px 20px 10px;display:flex;align-items:center;justify-content:space-between}
.brand img{height:44px;display:block}
nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-weight:500;font-size:.95rem}
nav a:hover{color:var(--violet)}
.hero{max-width:1100px;margin:0 auto;padding:50px 20px 20px}
.hero h1{font-family:Sora,sans-serif;font-size:clamp(2.2rem,5vw,3.4rem);margin:0 0 12px;line-height:1.1}
.hero h1 span{background:linear-gradient(90deg,var(--coral),var(--peach) 45%,var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:1.12rem;max-width:620px;margin:0}
.grid{max-width:1100px;margin:30px auto 60px;padding:0 20px;display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px;display:flex;flex-direction:column;gap:12px;transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden;box-shadow:0 10px 30px rgba(124,92,255,.08)}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:6px;background:linear-gradient(90deg,var(--coral),var(--peach),var(--sun),var(--teal),var(--violet))}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(255,107,107,.18)}
.card .icon{width:68px;height:68px;border-radius:18px;background:linear-gradient(135deg,#fff1e6,#efe9ff);display:grid;place-items:center;overflow:hidden}
.card .icon img{width:54px;height:54px;display:block}.card .icon svg{width:32px;height:32px}
.card h2{font-family:Sora,sans-serif;font-size:1.3rem;margin:4px 0 0}
.card p{color:var(--muted);margin:0;flex:1;line-height:1.55}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-size:.75rem;font-weight:600;padding:4px 10px;border-radius:999px}
.tag:nth-child(3n+1){background:#ffe3e3;color:#c43c3c}.tag:nth-child(3n+2){background:#e6fbf8;color:#167f74}.tag:nth-child(3n+3){background:#ece7ff;color:#5b3fd6}
.row{display:flex;align-items:center;justify-content:space-between;margin-top:6px}
.price{font-weight:700;color:var(--teal)}
.btn{background:linear-gradient(135deg,var(--coral),var(--violet));color:#fff;text-decoration:none;padding:11px 20px;border-radius:14px;font-weight:600;font-size:.95rem;box-shadow:0 8px 18px rgba(124,92,255,.25)}
.btn:hover{filter:brightness(1.08)}
.soon{border-style:dashed;background:rgba(255,255,255,.7)}
.soon::before{opacity:.35}
.soon .btn{background:#eef0f7;color:var(--muted);box-shadow:none;pointer-events:none}
footer{max-width:1100px;margin:0 auto;padding:20px;color:var(--muted);font-size:.85rem;border-top:1px solid var(--line)}

footer{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center}
.flinks{display:flex;flex-wrap:wrap;gap:16px}.flinks a{color:var(--muted);text-decoration:none;font-weight:500}.flinks a:hover{color:var(--violet)}
/* documents */
.doc{max-width:820px;margin:0 auto;padding:30px 20px 60px}
.doc h1{font-family:Sora,sans-serif;font-size:clamp(1.9rem,4vw,2.6rem);margin:0 0 6px}
.doc .meta{color:var(--muted);margin:0 0 26px}
.doc h2{font-family:Sora,sans-serif;font-size:1.25rem;margin:28px 0 8px;color:var(--violet)}
.doc p,.doc li{line-height:1.65;color:#2f3a5f}
.doc ul{padding-left:20px}.doc a{color:var(--violet)}
.doc .box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:0 10px 30px rgba(124,92,255,.08)}
.doc .note{background:#fff7e0;border-left:4px solid var(--sun);padding:10px 14px;border-radius:8px}
/* app intro */
.intro{max-width:1000px;margin:0 auto;padding:30px 20px 60px}
.intro .head{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin-bottom:26px}
.intro .head img{width:110px;height:110px;border-radius:26px;box-shadow:0 14px 30px rgba(124,92,255,.18)}
.intro h1{font-family:Sora,sans-serif;font-size:clamp(2rem,5vw,2.8rem);margin:0}
.intro .tagline{color:var(--muted);font-size:1.1rem;margin:6px 0 10px}
.intro .cta{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.btn.big{font-size:1.05rem;padding:14px 26px}
.btn.ghost{background:#fff;color:var(--violet);border:2px solid #d9d0ff;box-shadow:none}
.intro .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.intro .box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 10px 30px rgba(124,92,255,.08);position:relative;overflow:hidden}
.intro .box::before{content:"";position:absolute;inset:0 0 auto 0;height:5px;background:linear-gradient(90deg,var(--coral),var(--peach),var(--sun),var(--teal),var(--violet))}
.intro .box.ai::before{background:linear-gradient(90deg,var(--violet),var(--teal))}
.intro h2{font-family:Sora,sans-serif;font-size:1.2rem;margin:4px 0 10px}
.intro ol,.intro ul{padding-left:20px;margin:0}.intro li{line-height:1.6;color:#2f3a5f;margin-bottom:6px}
.intro .steps li::marker{color:var(--coral);font-weight:700}
.intro .ai li::marker{color:var(--teal)}
.feat{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-top:8px}
.feat div{background:linear-gradient(135deg,#fff1e6,#efe9ff);border-radius:12px;padding:10px 12px;font-weight:600;font-size:.92rem}
.feat small{display:block;font-weight:400;color:var(--muted);margin-top:2px}
.intro .fine{margin-top:22px;color:var(--muted);font-size:.9rem}