.help-hero{position:relative;overflow:hidden;padding:64px 0;background:linear-gradient(135deg,#eef8ff 0%,#f3fffc 66%,#e7fbff 100%);border-bottom:1px solid var(--line)}
.help-hero:after{content:"";position:absolute;width:420px;height:420px;right:-160px;top:-210px;border-radius:50%;border:70px solid rgba(16,189,180,.08)}
.help-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;align-items:center}
.help-breadcrumb{font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#078c87}
.help-hero h1{font-size:clamp(38px,5vw,62px);line-height:1.02;letter-spacing:-.05em;color:var(--navy);margin:14px 0}
.help-hero p{max-width:720px;color:#5b6f87;font-size:18px;margin:0}
.help-hero-card{background:rgba(255,255,255,.9);border:1px solid rgba(211,225,237,.95);border-radius:24px;padding:22px;box-shadow:0 20px 55px rgba(16,43,78,.12)}
.help-hero-card b{display:block;font-size:18px;color:var(--navy);margin-bottom:10px}.help-hero-card span{display:flex;align-items:center;gap:9px;color:#526980;margin-top:8px;font-size:14px}.help-hero-card i{width:25px;height:25px;border-radius:8px;background:#e8faf7;color:#078c87;display:grid;place-items:center;font-style:normal;font-weight:900}
.help-mini-nav{border-bottom:1px solid var(--line);background:#fff}.help-mini-nav .wrap{display:flex;gap:9px;align-items:center;padding-top:13px;padding-bottom:13px;overflow:auto}.help-mini-nav a{white-space:nowrap;border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:#4c627b;font-size:13px;font-weight:850}.help-mini-nav a.active,.help-mini-nav a:hover{background:var(--navy);border-color:var(--navy);color:#fff}
.help-section{padding:70px 0}.help-section.soft{background:#f6f9fc}.help-section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:28px}.help-kicker{font-size:12px;font-weight:950;letter-spacing:.14em;text-transform:uppercase;color:#078c87}.help-section h2{font-size:clamp(29px,3.4vw,43px);line-height:1.08;letter-spacing:-.035em;color:var(--navy);margin:8px 0}.help-section-head p{color:var(--muted);max-width:680px;margin:0}
.os-tabs{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:20px}.os-tab{border:1px solid #dce6ef;background:#fff;color:#405873;border-radius:14px;padding:11px 15px;font-weight:900;display:flex;align-items:center;gap:8px}.os-tab.active{background:linear-gradient(135deg,var(--navy),#0d4c83);border-color:transparent;color:#fff;box-shadow:0 12px 25px rgba(8,41,95,.18)}
.os-panel{display:none}.os-panel.active{display:block}.install-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(290px,.65fr);gap:22px}.install-card,.side-tip,.check-card,.trouble-card,.device-card,.faq-search-panel{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 34px rgba(16,42,77,.06)}
.install-card{padding:28px}.install-card h3,.side-tip h3{color:var(--navy);font-size:22px;margin:0 0 18px}.install-steps{counter-reset:step;list-style:none;padding:0;margin:0;display:grid;gap:15px}.install-steps li{counter-increment:step;display:grid;grid-template-columns:42px 1fr;gap:13px;align-items:start;color:#52677f}.install-steps li:before{content:counter(step);width:42px;height:42px;border-radius:13px;background:#e9faf7;color:#078c87;display:grid;place-items:center;font-weight:950}.install-steps b{display:block;color:var(--navy);margin-bottom:2px}.side-stack{display:grid;gap:16px}.side-tip{padding:22px}.side-tip p{color:var(--muted);margin:0}.side-tip ul{padding-left:18px;color:#586c83}.side-tip.accent{background:linear-gradient(145deg,#08295f,#0c5689);color:#fff;border:0}.side-tip.accent h3,.side-tip.accent p{color:#fff}.side-tip.accent p{opacity:.84}.side-tip .btn{margin-top:16px;width:100%}
.check-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}.check-card{padding:20px}.check-card span{width:42px;height:42px;border-radius:13px;background:#eaf9f6;color:#078c87;display:grid;place-items:center;font-size:20px;font-weight:950}.check-card h3{font-size:16px;color:var(--navy);margin:13px 0 5px}.check-card p{font-size:13px;color:var(--muted);margin:0}
.activation-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#dfe8ef;border:1px solid #dfe8ef;border-radius:22px;overflow:hidden}.activation-bar article{background:#fff;padding:23px}.activation-bar b{display:block;color:var(--navy);margin:10px 0 5px}.activation-bar p{font-size:13px;color:var(--muted);margin:0}.activation-icon{font-size:22px}
.trouble-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.trouble-card{padding:0;overflow:hidden}.trouble-card summary{list-style:none;cursor:pointer;padding:19px 21px;font-weight:900;color:var(--navy);display:flex;justify-content:space-between;gap:15px}.trouble-card summary::-webkit-details-marker{display:none}.trouble-card summary span{color:var(--teal);font-size:20px}.trouble-card[open] summary{border-bottom:1px solid var(--line)}.trouble-card div{padding:17px 21px;color:var(--muted);font-size:14px}.trouble-card ol{margin:0;padding-left:19px}.trouble-card li+li{margin-top:7px}
.security-banner{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;background:linear-gradient(135deg,#fff7e7,#fff);border:1px solid #f5ddb2;border-radius:22px;padding:22px}.security-banner>span{width:52px;height:52px;border-radius:16px;background:#fff1cf;display:grid;place-items:center;font-size:25px}.security-banner h3{margin:0;color:var(--navy)}.security-banner p{margin:4px 0 0;color:#6e6b63}.security-banner .btn{white-space:nowrap}
.device-search-hero{display:grid;grid-template-columns:1fr auto;gap:12px;margin-top:24px}.device-search-hero input{height:58px;border:1.5px solid #d8e4ed;border-radius:16px;padding:0 17px;outline:0;font-size:16px}.device-search-hero input:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(16,189,180,.1)}.device-search-result{margin-top:12px;border-radius:14px;background:#eef7fb;padding:14px 16px;color:#52677f}.device-search-result strong{color:var(--navy)}
.device-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.device-filter{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 13px;color:#4e647b;font-size:13px;font-weight:850}.device-filter.active{background:var(--navy);border-color:var(--navy);color:#fff}.device-catalog{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.device-card{padding:22px;transition:.2s transform,.2s border}.device-card:hover{transform:translateY(-3px);border-color:#b9dfdc}.device-card.hidden-by-filter{display:none}.device-brand-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.device-brand-head span{width:46px;height:46px;border-radius:14px;background:#ebfaf8;color:#078c87;display:grid;place-items:center;font-size:22px}.device-brand-head em{font-style:normal;border-radius:999px;background:#eef4f8;padding:5px 8px;font-size:10px;font-weight:900;color:#5f748b}.device-card h3{color:var(--navy);margin:15px 0 7px}.device-card p{color:var(--muted);font-size:14px;margin:0}.device-examples{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}.device-examples span{background:#f3f7fa;border-radius:999px;padding:5px 8px;font-size:11px;color:#536a82;font-weight:800}.device-card.match{border:2px solid var(--teal);box-shadow:0 15px 35px rgba(16,189,180,.12)}
.manual-check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.manual-check{background:#fff;border:1px solid var(--line);border-radius:20px;padding:23px}.manual-check b{display:block;color:var(--navy);font-size:17px;margin:12px 0 6px}.manual-check p{color:var(--muted);font-size:14px;margin:0}.manual-check>span{font-size:25px}.device-note{margin-top:20px;background:#fff;border-left:4px solid var(--teal);border-radius:0 14px 14px 0;padding:16px 18px;color:#52677f}
.faq-search-panel{padding:20px;margin-top:25px}.faq-search-row{display:grid;grid-template-columns:1fr auto;gap:10px}.faq-search-row input{height:54px;border:1.5px solid #d8e4ed;border-radius:15px;padding:0 16px;outline:0}.faq-search-row input:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(16,189,180,.1)}.faq-result-count{font-size:12px;color:var(--muted);margin-top:9px}.faq-filters{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.faq-filter{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;color:#4d647b;font-size:12px;font-weight:850}.faq-filter.active{background:var(--navy);border-color:var(--navy);color:#fff}.faq-center-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}.faq-center-list{display:grid;gap:11px}.faq-center-item{border:1px solid var(--line);border-radius:17px;background:#fff;overflow:hidden}.faq-center-item[hidden]{display:none}.faq-center-item summary{list-style:none;cursor:pointer;padding:18px 20px;color:var(--navy);font-weight:900;display:flex;justify-content:space-between;gap:20px}.faq-center-item summary::-webkit-details-marker{display:none}.faq-center-item summary span{font-size:20px;color:var(--teal)}.faq-center-item[open] summary{border-bottom:1px solid var(--line)}.faq-center-answer{padding:16px 20px;color:var(--muted);font-size:14px}.faq-center-answer p{margin:0}.faq-center-answer ul,.faq-center-answer ol{padding-left:19px;margin:8px 0 0}.faq-center-answer li+li{margin-top:5px}.faq-aside{position:sticky;top:100px;display:grid;gap:14px}.faq-aside-card{border-radius:22px;padding:22px;background:linear-gradient(145deg,#08295f,#0b568c);color:#fff}.faq-aside-card h3{margin:7px 0;color:#fff}.faq-aside-card p{color:#d6e7f4;font-size:14px}.faq-aside-card .btn{width:100%;margin-top:8px}.faq-aside-link{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;display:grid;grid-template-columns:auto 1fr;gap:11px;align-items:center}.faq-aside-link span{width:38px;height:38px;border-radius:12px;background:#eaf9f6;display:grid;place-items:center}.faq-aside-link b{color:var(--navy);font-size:14px}.faq-aside-link small{display:block;color:var(--muted)}.faq-empty-state{display:none;text-align:center;border:1px dashed #cbd8e3;border-radius:18px;padding:28px;color:var(--muted)}.faq-empty-state.show{display:block}
.home-help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}.home-help-card{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:22px;padding:25px;background:#fff;box-shadow:0 12px 32px rgba(16,42,77,.06);transition:.2s transform,.2s box-shadow}.home-help-card:hover{transform:translateY(-5px);box-shadow:0 18px 42px rgba(16,42,77,.12)}.home-help-card>span{width:50px;height:50px;border-radius:16px;background:linear-gradient(135deg,#eafbf8,#eaf3ff);display:grid;place-items:center;font-size:24px}.home-help-card h3{color:var(--navy);font-size:20px;margin:16px 0 7px}.home-help-card p{color:var(--muted);margin:0 0 14px;font-size:14px}.home-help-card b{color:#078c87;font-size:13px}.home-help-card:after{content:"→";position:absolute;right:22px;bottom:20px;color:var(--navy);font-size:20px;font-weight:900}
@media(max-width:1000px){.help-hero-grid{grid-template-columns:1fr}.help-hero-card{max-width:620px}.check-grid{grid-template-columns:repeat(3,1fr)}.device-catalog{grid-template-columns:repeat(2,1fr)}.faq-center-layout{grid-template-columns:1fr}.faq-aside{position:static;grid-template-columns:1fr 1fr}.home-help-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.help-hero{padding:43px 0}.help-hero-card{display:none}.help-hero h1{font-size:39px}.help-hero p{font-size:16px}.help-section{padding:52px 0}.help-section-head{display:block}.install-layout{grid-template-columns:1fr}.check-grid,.activation-bar,.manual-check-grid{grid-template-columns:1fr 1fr}.trouble-grid{grid-template-columns:1fr}.security-banner{grid-template-columns:auto 1fr}.security-banner .btn{grid-column:1/-1;width:100%}.device-search-hero,.faq-search-row{grid-template-columns:1fr}.device-search-hero .btn,.faq-search-row .btn{width:100%}.faq-aside{grid-template-columns:1fr}.home-help-grid{grid-template-columns:1fr}.os-tabs{display:grid;grid-template-columns:1fr}.os-tab{justify-content:center}}
@media(max-width:520px){.help-hero h1{font-size:34px}.check-grid,.activation-bar,.device-catalog,.manual-check-grid{grid-template-columns:1fr}.install-card{padding:21px}.install-steps li{grid-template-columns:38px 1fr}.install-steps li:before{width:38px;height:38px}.faq-search-panel{padding:15px}.faq-center-item summary{padding:16px}.faq-center-answer{padding:14px 16px}.device-card{padding:19px}}