:root{--bg:#fbfbfa;--fg:#17171a;--muted:#6b6b76;--line:#e7e6e3;--card:#fff;--brand:#3b5bdb;--brand-2:#7048e8;--ok:#2b8a3e;--warn:#e67700;--radius:14px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--fg);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--brand)}img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.nav{position:sticky;top:0;background:#fbfbfacc;backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:5}
header.nav .wrap{display:flex;align-items:center;gap:18px;height:60px}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.01em;color:var(--fg);text-decoration:none}
.logo i{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;font-style:normal;font-size:14px}
header.nav nav{margin-left:auto;display:flex;gap:18px;align-items:center}header.nav nav a{color:var(--muted);text-decoration:none;font-size:14px}header.nav nav a:hover{color:var(--fg)}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;padding:11px 18px;font-weight:600;font-size:15px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit}
.btn.primary{background:var(--fg);color:#fff}.btn.primary:hover{background:#000}
.btn.ghost{background:var(--card);color:var(--fg);border-color:var(--line)}.btn.ghost:hover{border-color:#cfcdc8}
.btn.sm{padding:7px 12px;font-size:13px}
.hero{padding:76px 0 40px;text-align:center}
.pill{display:inline-flex;gap:8px;align-items:center;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:4px 12px;font-size:13px;color:var(--muted)}
.pill b{color:var(--ok);font-weight:600}
h1{font-size:clamp(34px,5.4vw,58px);line-height:1.05;letter-spacing:-.035em;margin:18px auto 16px;max-width:860px}
h1 span{background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:720px;margin:0 auto 28px}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.note{font-size:13px;color:var(--muted);margin-top:12px}
.shot{margin:44px auto 0;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 30px 80px -30px #1d1d4440;background:#fff;max-width:980px}
.shot img,.shot video{display:block;width:100%}
section{padding:64px 0}section h2{font-size:clamp(26px,3.4vw,38px);letter-spacing:-.025em;margin:0 0 10px;line-height:1.15}
section .sub{color:var(--muted);margin:0 0 30px;max-width:680px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card h3{margin:0 0 6px;font-size:17px;letter-spacing:-.01em}.card p{margin:0;color:var(--muted);font-size:15px}
.card .ico{font-size:22px;margin-bottom:8px}
.problem{display:grid;grid-template-columns:1fr 1fr;gap:16px}.problem .card.bad{background:#fff8f6;border-color:#f5d9d0}.problem .card.good{background:#f5fbf6;border-color:#cfe8d4}
.platforms{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.plat{border:1px solid var(--line);background:var(--card);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:6px}
.plat b{font-size:15px}.tag{font-size:12px;border-radius:999px;padding:1px 8px;width:max-content}.tag.live{background:#e6f4ea;color:var(--ok)}.tag.soon{background:#fff4e5;color:var(--warn)}
.price{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;max-width:760px}
.price .card{padding:26px}.price .amt{font-size:40px;font-weight:700;letter-spacing:-.03em}.price .amt small{font-size:15px;color:var(--muted);font-weight:500}
.price ul{padding-left:18px;margin:14px 0 20px;color:var(--fg)}.price li{margin:6px 0}
.price .card.pro{border:2px solid var(--fg)}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}.faq summary{cursor:pointer;font-weight:600}.faq p{color:var(--muted);margin:10px 0 0}
footer{border-top:1px solid var(--line);padding:30px 0 50px;color:var(--muted);font-size:14px}footer .wrap{display:flex;gap:18px;flex-wrap:wrap}footer a{color:var(--muted)}
form.box{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;max-width:520px;margin:0 auto;text-align:left}
label{display:block;font-size:14px;font-weight:600;margin:14px 0 6px}input,select,textarea{width:100%;font:inherit;border:1px solid #d9d8d4;border-radius:10px;padding:11px 12px;background:#fff}input:focus,select:focus,textarea:focus{outline:2px solid #c5d0fa;border-color:var(--brand)}
.err{color:#c92a2a;font-size:14px;margin-top:10px;min-height:20px}.okbox{background:#f5fbf6;border:1px solid #cfe8d4;border-radius:12px;padding:16px;margin-top:16px}
code.key{display:block;font:13px ui-monospace,Menlo,monospace;background:#f3f3f1;border:1px dashed #cfcdc8;padding:10px;border-radius:8px;word-break:break-all;margin:8px 0}
.steps{counter-reset:s;list-style:none;padding:0;max-width:760px}.steps li{counter-increment:s;position:relative;padding:4px 0 18px 46px}.steps li:before{content:counter(s);position:absolute;left:0;top:2px;width:30px;height:30px;border-radius:50%;background:var(--fg);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
.steps h3{margin:0 0 4px;font-size:17px}.steps p{margin:0;color:var(--muted)}
.prose{max-width:760px}.prose h2{font-size:22px;margin-top:30px}.prose p,.prose li{color:#34343a}
.videos{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}.videos figure{margin:0}.videos video,.videos img{border-radius:12px;border:1px solid var(--line);width:100%}.videos figcaption{font-size:14px;color:var(--muted);margin-top:6px}
@media(max-width:700px){.problem{grid-template-columns:1fr}header.nav nav a.hide-sm{display:none}.hero{padding-top:48px}}