:root{--ink:#111113;--muted:#5F5F67;--line:#E7E7EA;--soft:#F6F6F7;--brand:#2F6FED;--rec:#D93A2B}
*{box-sizing:border-box}
body{margin:0;color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased;background:#fff}
a{color:inherit}
.w{max-width:1080px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line)}
header.top .w{display:flex;align-items:center;gap:20px;height:60px}
.logo{font-weight:800;font-size:20px;letter-spacing:-.5px;text-decoration:none}.logo span{color:var(--brand)}
header.top nav{margin-left:auto;display:flex;gap:18px;font-size:14px}header.top nav a{text-decoration:none;color:var(--muted)}
.hero{padding:72px 0 56px}
.hero .w{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
h1{font-size:46px;line-height:1.1;letter-spacing:-1.4px;margin:0 0 18px}
.lead{font-size:19px;color:var(--muted);margin:0 0 26px}
.cta{display:inline-flex;align-items:center;gap:8px;background:var(--ink);color:#fff;text-decoration:none;font-weight:700;padding:13px 20px;border-radius:10px}
.cta.alt{background:#fff;color:var(--ink);border:1px solid var(--line)}
.ctas{display:flex;gap:10px;flex-wrap:wrap}
.fine{font-size:13px;color:var(--muted);margin-top:14px}
.mock{border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 30px 60px -30px rgba(0,0,0,.35)}
.mock .cam{aspect-ratio:16/10;background:linear-gradient(160deg,#c9a77a 0%,#b38b5a 55%,#9c7446 100%);position:relative}
.mock .box{position:absolute;left:24%;top:24%;width:44%;height:46%;background:#d8b98b;border-radius:6px;box-shadow:inset 0 0 0 3px #b8945f}
.mock .label{position:absolute;left:38%;top:36%;width:20%;height:20%;background:#fff;border-radius:3px;background-image:repeating-linear-gradient(90deg,#111 0 2px,#fff 2px 4px,#111 4px 5px,#fff 5px 8px);background-size:100% 55%;background-repeat:no-repeat;background-position:center 70%}
.mock .rec{position:absolute;left:12px;top:12px;background:rgba(0,0,0,.55);color:#fff;font:600 12px ui-monospace,monospace;padding:4px 8px;border-radius:5px}
.mock .rec::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--rec);margin-right:6px}
.mock .ov{position:absolute;left:0;right:0;bottom:0;background:rgba(0,0,0,.62);color:#fff;font:600 12px ui-monospace,monospace;padding:7px 12px}
.mock .bar{display:flex;gap:8px;padding:12px;background:#fff}
.mock .bar b{flex:1;font-size:12px;padding:8px;border-radius:7px;color:#fff;text-align:center}
section{padding:64px 0;border-top:1px solid var(--line)}
section h2{font-size:32px;letter-spacing:-.8px;margin:0 0 10px}
.sub{color:var(--muted);margin:0 0 34px;max-width:680px}
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feats h3{font-size:17px;margin:0 0 6px}.feats p{margin:0;color:var(--muted);font-size:15px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.steps div{counter-increment:s;background:var(--soft);border-radius:12px;padding:20px}
.steps div::before{content:counter(s);display:flex;width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;font-weight:700;font-size:13px;align-items:center;justify-content:center;margin-bottom:12px}
.steps b{display:block;margin-bottom:4px}.steps span{color:var(--muted);font-size:14.5px}
.price{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.price>div{border:1px solid var(--line);border-radius:12px;padding:18px}
.price .n{font-weight:700}.price .p{font-size:28px;font-weight:800;letter-spacing:-.5px;margin:6px 0}.price .p small{font-size:13px;color:var(--muted);font-weight:500}
.price .l{color:var(--muted);font-size:14px}
.price>div.hl{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.faq{display:grid;gap:12px;max-width:760px}
.faq details{border:1px solid var(--line);border-radius:10px;padding:14px 16px}.faq summary{font-weight:700;cursor:pointer}.faq p{color:var(--muted);margin:8px 0 0}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}
footer .w{display:flex;gap:18px;flex-wrap:wrap}footer a{text-decoration:none}
.doc{padding:48px 0 64px}.doc .w{max-width:760px}.doc h1{font-size:34px}.doc h2{font-size:20px;margin:30px 0 8px}.doc p,.doc li{color:#333}
.doc table{border-collapse:collapse;width:100%;font-size:15px}.doc td,.doc th{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
@media (max-width:900px){.hero .w{grid-template-columns:1fr}h1{font-size:36px}.feats,.steps{grid-template-columns:1fr 1fr}.price{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.feats,.steps,.price{grid-template-columns:1fr}header.top nav{display:none}}

.modes{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.modes div{border:1px solid var(--line);border-radius:12px;padding:16px}.modes b{display:block;margin-bottom:4px}.modes span{color:var(--muted);font-size:14.5px}
.tbl{overflow-x:auto}
table.cmp{border-collapse:collapse;width:100%;font-size:15px}
.cmp th,.cmp td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.cmp thead th{font-size:14px;color:var(--muted)}.cmp thead th:nth-child(2){color:var(--ink)}
.cmp td:first-child{color:var(--muted);width:30%}.cmp td:nth-child(2){background:#F4F8FF}
.cmp .group td{background:var(--soft);font-weight:700;color:var(--ink)}
.guide ol{padding-left:20px}.guide li{margin:6px 0}.guide .tip{background:var(--soft);border-radius:10px;padding:14px 16px;margin:14px 0}
@media (max-width:900px){.modes{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.modes{grid-template-columns:1fr}}