:root{--bg:#fff;--soft:#f6f7f9;--line:#e6e9ef;--line2:#d8dde6;--txt:#16181d;--txt2:#4b5563;--txt3:#8a94a3;--red:#d92d20;--red-d:#b42318;--red-soft:#fef3f2;--red-line:#fecdca;--amber:#b54708;--amber-soft:#fffaeb;--amber-line:#fedf89;--green:#067647;--green-soft:#ecfdf3;--mono:'JetBrains Mono',monospace}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--txt);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-weight:800;letter-spacing:-.02em;line-height:1.2}
a{color:var(--red);text-decoration:none}
.container{max-width:940px;margin:0 auto;padding:0 20px}
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-in{max-width:940px;margin:0 auto;padding:13px 20px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:11px}
.logo img{width:36px;height:36px;border-radius:9px;display:block}
.logo-name{font-weight:800;font-size:17px;letter-spacing:-.02em}
.logo-name span{color:var(--red)}
.logo-sub{font-size:11px;color:var(--txt3);font-weight:500}
.nav{display:flex;align-items:center;gap:24px}
.nav a{color:var(--txt2);font-size:14px;font-weight:500}
.nav a:hover{color:var(--txt)}
.nav a.btn-top{background:var(--red);color:#fff;font-weight:700;font-size:14px;padding:10px 20px;border-radius:8px;transition:.15s}
.btn-top:hover{background:var(--red-d)}
.crumb{font-size:13px;color:var(--txt3);padding:18px 0 0}
.crumb a{color:var(--txt3)}
.crumb a:hover{color:var(--red)}
.prod{display:grid;grid-template-columns:96px 1fr;gap:20px;padding:22px 0 8px;align-items:start}
.prod-icon{width:96px;height:96px;border-radius:22px;box-shadow:0 10px 26px rgba(217,45,32,.22)}
.prod-title{font-size:clamp(24px,3.6vw,32px);margin-bottom:8px}
.rating{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.stars{display:inline-flex;gap:2px}
.stars svg{width:18px;height:18px;color:#f59e0b}
.rating b{font-size:15px}
.rating span{font-size:13.5px;color:var(--txt3)}
.prod-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13.5px;color:var(--txt2)}
.prod-meta .it{display:flex;align-items:center;gap:6px}
.prod-meta svg{width:15px;height:15px;color:var(--green)}
.hero-dl{background:linear-gradient(160deg,var(--red-soft),#fff);border:1px solid var(--red-line);border-radius:18px;padding:26px;margin:18px 0 8px;display:grid;grid-template-columns:1fr 260px;gap:26px;align-items:center}
.hero-dl h2{font-size:20px;margin-bottom:8px}
.hero-dl p{font-size:14px;color:var(--txt2);margin-bottom:16px}
.btn-dl{display:flex;align-items:center;justify-content:center;gap:11px;width:100%;background:linear-gradient(180deg,#e53325,#c81e1e);color:#fff;font-weight:800;font-size:19px;padding:18px;border:none;border-radius:12px;cursor:pointer;transition:.15s;box-shadow:0 10px 26px rgba(217,45,32,.32)}
.btn-dl:hover{transform:translateY(-1px);box-shadow:0 14px 34px rgba(217,45,32,.4)}
.btn-dl svg{width:22px;height:22px}
.dl-pass{text-align:center;margin-top:12px;font-size:12.5px;color:var(--txt3)}
.dl-pass b{font-family:var(--mono);color:var(--amber);font-size:16px;letter-spacing:.12em}
.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:26px 0}
.spec{display:flex;justify-content:space-between;gap:12px;padding:13px 18px;border-bottom:1px solid var(--line);font-size:14px}
.spec:nth-child(odd){border-right:1px solid var(--line)}
.spec:nth-last-child(-n+2){border-bottom:none}
.spec .k{color:var(--txt3);font-weight:500}
.spec .v{font-weight:600;text-align:right}
.spec .v.mono{font-family:var(--mono);color:var(--amber)}
.spec .v.grn{color:var(--green)}
section{padding:40px 0}
.sec-title{font-size:clamp(21px,3vw,28px);margin-bottom:10px}
.sec-lead{color:var(--txt2);max-width:640px;margin-bottom:26px;font-size:15px}
.shot{border:1px solid var(--line2);border-radius:16px;overflow:hidden;box-shadow:0 18px 46px rgba(16,24,40,.1);margin:8px 0 6px}
.shot svg{display:block;width:100%;height:auto}
.caption{font-size:12.5px;color:var(--txt3);text-align:center;padding:10px 0 0}
.prose p{font-size:15px;color:var(--txt2);margin-bottom:14px}
.prose strong{color:var(--txt)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.feat{display:flex;gap:14px;background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.feat .ic{flex-shrink:0;width:38px;height:38px;border-radius:10px;background:var(--red-soft);display:flex;align-items:center;justify-content:center}
.feat .ic svg{width:20px;height:20px;color:var(--red)}
.feat h3{font-size:15px;margin-bottom:3px}
.feat p{font-size:13.5px;color:var(--txt2)}
.soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps{max-width:660px}
.step{display:flex;gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:none}
.step-n{flex-shrink:0;width:38px;height:38px;border-radius:10px;background:var(--red);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:17px}
.step h3{font-size:15.5px;margin-bottom:3px}
.step p{font-size:14px;color:var(--txt2)}
.step code{font-family:var(--mono);background:var(--amber-soft);color:var(--amber);padding:2px 8px;border-radius:6px;font-size:13px;font-weight:700}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{background:#fff;border:1px solid var(--line2);border-radius:100px;padding:9px 18px;font-size:14px;font-weight:500;display:flex;align-items:center;gap:7px}
.chip svg{width:15px;height:15px;color:var(--green)}
.faq{max-width:700px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:11px;overflow:hidden}
.faq-item summary{font-weight:600;font-size:15px;padding:16px 20px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::after{content:'+';color:var(--red);font-size:22px;font-weight:400}
.faq-item[open] summary::after{content:'−'}
.faq-item .a{padding:0 20px 16px;font-size:14px;color:var(--txt2)}
.final{background:linear-gradient(160deg,var(--red-soft),#fff);border-top:1px solid var(--red-line);text-align:center;padding:52px 20px}
.final h2{font-size:clamp(22px,3.2vw,30px);margin-bottom:12px}
.final p{color:var(--txt2);margin-bottom:26px}
footer{border-top:1px solid var(--line);padding:30px 20px;text-align:center;color:var(--txt3);font-size:12.5px}
footer .disc{max-width:640px;margin:0 auto 12px;line-height:1.6}
@media(max-width:680px){.prod{grid-template-columns:72px 1fr}.prod-icon{width:72px;height:72px}.hero-dl{grid-template-columns:1fr}.specs{grid-template-columns:1fr}.spec:nth-child(odd){border-right:none}.grid2{grid-template-columns:1fr}.nav a:not(.btn-top){display:none}}