:root{--bg:#F6F7FB;--fg:#14183A;--muted:#5B6385;--card:#fff;--line:#E2E5F0;--acc:#3D5AFE;--acc2:#1E2A78;--grn:#3D5AFE;--yel:#FF6B4A;--red:#FF6B4A;--cta:#FF6B4A;--cta2:#E8552F}
@media (prefers-color-scheme:dark){:root{--bg:#12151c;--fg:#e8ebf2;--muted:#9aa3b5;--card:#1b2029;--line:#2a303c;--acc:#8C9EFF;--acc2:#B3BFFF;--grn:#8C9EFF;--yel:#FF6B4A;--red:#FF6B4A}}
*{box-sizing:border-box}
html{scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--acc)}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
.top{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.nav{display:flex;justify-content:space-between;align-items:center;height:60px}
.logo{font-weight:800;font-size:22px;text-decoration:none;color:var(--fg)}.logo span{color:var(--acc)}.logo{color:var(--acc2)}.logo{border-bottom:3px solid var(--yel);padding-bottom:1px}
nav a{margin-left:20px;text-decoration:none;color:var(--muted);font-weight:500}nav a:hover{color:var(--acc)}
.hero{padding:64px 0 48px;text-align:center}
.hero h1{font-size:clamp(28px,5vw,44px);margin:0 0 12px}
.hero svg{width:120px;height:120px;margin-bottom:12px}
.lead{font-size:19px;color:var(--muted);max-width:640px;margin:0 auto 28px}
.btn{display:inline-block;background:var(--cta);color:#fff;padding:12px 24px;border-radius:10px;text-decoration:none;font-weight:600}.btn:hover{background:var(--cta2)}
.btn.ghost{background:transparent;color:var(--acc);border:1px solid var(--acc)}.btn.ghost:hover{background:var(--acc);color:#fff}
.btn.g{background:var(--grn)}.btn.g:hover{filter:brightness(.9)}
.shops{margin-top:20px;color:var(--muted);font-size:14px}
section{padding:40px 16px}
h2{font-size:28px;margin:0 0 16px}
.sub{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.card,.plan{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.card h3,.plan h3{margin:0 0 8px;font-size:18px}.card p,.plan p{margin:0;color:var(--muted)}
.bots{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.bot{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px;text-align:center;display:flex;flex-direction:column;align-items:center}
.bot svg{width:96px;height:96px;margin-bottom:8px}.bot h3{margin:0 0 6px;font-size:22px}.bot p{color:var(--muted);margin:0 0 20px;flex:1}
.bot .acts{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.plans{margin:20px 0}
.plan .price{font-size:30px;font-weight:800;margin:4px 0}.plan .price small{font-size:14px;font-weight:500;color:var(--muted)}
.plan .lim{color:var(--fg);margin-bottom:8px}
.plan.hot{border:2px solid var(--acc)}
footer{border-top:1px solid var(--line);padding:24px 0;color:var(--muted);font-size:14px;margin-top:40px}
footer a{color:var(--muted);margin-right:16px}
@media (max-width:520px){nav a{margin-left:12px;font-size:14px}.hero{padding:40px 0 32px}}
.doc{max-width:820px}.doc h1{font-size:30px;margin:0 0 4px}.doc h2{font-size:20px;margin:28px 0 8px}.doc p,.doc li{margin:6px 0}
.hero{background:linear-gradient(150deg,#3D5AFE,#1E2A78);color:#fff}.hero .lead,.hero .shops{color:#E3E8FF}.hero .btn{background:var(--cta);color:#fff;box-shadow:0 6px 18px rgba(255,107,74,.35)}.hero .btn:hover{background:var(--cta2)}
section.wrap{padding-top:40px;padding-bottom:40px}.hero svg{filter:drop-shadow(0 4px 14px rgba(20,40,110,.35))}
.lang{position:relative;display:inline-block;margin-left:20px}.lang summary{cursor:pointer;list-style:none;color:var(--muted);font-weight:600;white-space:nowrap}.lang summary::-webkit-details-marker{display:none}.lang summary:hover{color:var(--acc)}
.lang div{position:absolute;right:0;top:30px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:6px 0;min-width:160px;box-shadow:0 8px 24px rgba(0,0,0,.14)}.lang div a{display:block;margin:0;padding:6px 14px;color:var(--fg);white-space:nowrap}.lang div a.on{color:var(--acc);font-weight:700}
@media (max-width:520px){.lang{margin-left:10px}.nav{gap:8px}nav{display:flex;align-items:center;flex-wrap:nowrap}}
@media (max-width:440px){nav a{white-space:nowrap;font-size:13px;margin-left:10px}nav>a:first-child{display:none}.logo{font-size:20px}}
.fbi{width:16px;height:16px;vertical-align:-3px}a.fb{display:inline-flex;align-items:center;gap:8px;font-weight:600;text-decoration:none;color:#1877F2}a.fb .fbi{width:22px;height:22px}