:root{--ink:#1c1c1a;--muted:#77766f;--paper:#f5f4ef;--card:#fffefb;--line:#d9d8d0;--accent:#d8f65a;--dark:#20211f}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--paper);font-family:var(--font-nunito), Arial, sans-serif;margin:0}a{color:inherit}button{color:inherit;font:inherit;appearance:none;-webkit-tap-highlight-color:transparent;margin:0}.shell{width:min(1180px,100% - 48px);margin:auto}.instructions{padding:24px 0 92px}.mini-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:0 0 18px;display:flex}.mini-header>a{color:var(--muted);font-size:14px;text-decoration:none}.wordmark{letter-spacing:.09em;align-items:center;gap:9px;font-size:18px;font-weight:900;display:flex}.wordmark-dot{background:var(--ink);border-radius:50%;width:11px;height:11px;display:block}.wordmark-instruction{color:var(--muted);letter-spacing:.03em;margin-left:-8px;font-weight:800}.intro{max-width:860px;padding:78px 0 70px}.intro-label,.selected-client{color:var(--muted);text-transform:uppercase;letter-spacing:.15em;font-size:11px;font-weight:800}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.055em;margin:22px 0 26px;font-size:clamp(42px,7vw,86px);font-weight:900;line-height:.96}h1 span{color:#7d7c73}.intro p{max-width:660px;color:var(--muted);font-size:18px;line-height:1.55}.block-label{text-transform:uppercase;letter-spacing:.13em;color:var(--muted);align-items:center;gap:12px;font-size:11px;font-weight:900;display:flex}.block-label>span:first-child{color:var(--ink)}.protocol-card{background:var(--dark);color:#fff;border-radius:20px;margin-bottom:70px;padding:30px}.protocol-card .block-label{color:#aaa9a2}.protocol-card .block-label>span:first-child{color:var(--accent)}.protocol-card-head{justify-content:space-between;align-items:center;gap:16px;display:flex}.protocol-badge{color:var(--dark);background:var(--accent);letter-spacing:.08em;border-radius:999px;padding:8px 13px;font-size:11px;font-weight:900}.protocol-card p{color:#d8d8d1;max-width:760px;margin:22px 0 28px;line-height:1.55}.config-grid{background:#484943;border:1px solid #484943;border-radius:12px;grid-template-columns:repeat(4,1fr);gap:1px;display:grid;overflow:hidden}.config-item{background:#292a27;flex-direction:column;gap:7px;min-height:68px;padding:14px;display:flex}.config-item span{color:#9d9d94;font-size:11px}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.86em}.config-item code{color:#fff}.device-picker,.client-picker{margin-bottom:42px}.platforms{grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px;display:grid}.apple-region-note{border:1px solid var(--ink);background:var(--ink);color:#fff;border-radius:10px;margin-top:12px;padding:12px 14px;font-size:13px;font-weight:800;line-height:1.45;text-decoration:none;display:block}.platform,.client-option{cursor:pointer;border:1px solid var(--line);text-align:left;background:0 0;transition:all .2s}.platform{border-radius:13px;align-items:center;gap:13px;min-height:88px;padding:15px;display:flex}.platform:hover,.client-option:hover{border-color:#89887f;transform:translateY(-1px)}.platform.active,.client-option.active{border-color:var(--ink);background:var(--card);box-shadow:0 7px 20px #1c1c1a0d}.os-mark{color:var(--muted);border:1px solid var(--line);text-align:center;border-radius:7px;min-width:34px;padding:8px 5px;font-size:10px;font-weight:900}.platform strong,.client-option strong{font-size:15px;display:block}.platform small,.client-option small{color:var(--muted);margin-top:3px;font-size:11px;display:block}.client-priority{color:var(--muted);margin:12px 0 0;font-size:14px;line-height:1.45}.client-priority strong{color:var(--ink)}.subscription-guidance{background:var(--dark);color:#e0e0da;border-radius:13px;margin:16px 0 0;padding:18px 20px;font-size:14px;font-weight:800;line-height:1.55}.subscription-guidance strong{color:#fff;font-weight:900}.client-options{grid-template-columns:repeat(5,1fr);gap:10px;margin-top:14px;display:grid}.client-option{border-radius:13px;align-items:center;gap:11px;min-height:76px;padding:14px;display:flex;position:relative}.client-badge{background:var(--ink);color:#fff;border-radius:9px;flex:none;place-items:center;width:31px;height:31px;font-size:11px;font-weight:900;display:grid}.choice-mark{color:var(--muted);margin-left:auto;font-size:18px}.client-option.active .choice-mark{color:var(--ink)}.guide{border-top:1px solid var(--line);grid-template-columns:320px 1fr;gap:66px;margin-top:12px;padding-top:38px;display:grid}.guide-aside h2{letter-spacing:-.05em;margin:13px 0 11px;font-size:48px}.guide-aside>p{color:var(--muted);line-height:1.5}.download-button{background:var(--ink);color:#fff;border-radius:8px;align-items:center;gap:13px;margin:8px 0 18px;padding:13px 17px;font-size:13px;font-weight:800;text-decoration:none;display:inline-flex}.config-card{background:var(--card);border:1px solid var(--line);border-radius:11px;flex-direction:column;gap:8px;padding:16px;display:flex}.config-card>span{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:11px}.config-card code{overflow-wrap:anywhere;font-weight:800}.config-card small{color:var(--muted);line-height:1.4}.ios-warning{background:#fff6cf;border:1px solid #e7d88b;border-radius:10px;flex-direction:column;gap:5px;margin:0 0 18px;padding:13px;font-size:12px;line-height:1.45;display:flex}.ios-warning strong{font-size:13px}.steps{margin:0;padding:0;list-style:none}.steps li{border-bottom:1px solid var(--line);grid-template-columns:48px 1fr;gap:18px;margin:0 0 25px;padding:0 0 25px;display:grid}.step-number{color:var(--muted);font-size:13px;font-weight:900}.steps h3{letter-spacing:-.02em;margin:0 0 5px;font-size:19px}.steps p{color:var(--muted);margin:0;line-height:1.55}.region-guide{border-top:1px solid var(--line);margin-top:90px;padding-top:38px}.region-heading{grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);align-items:start;gap:42px;margin-top:20px;display:grid}.region-heading h2{letter-spacing:-.05em;margin:13px 0 16px;font-size:clamp(36px,5vw,62px);line-height:1}.region-heading>div>p{max-width:670px;color:var(--muted);line-height:1.55}.region-priority{background:var(--dark);color:#fff;border-radius:16px;padding:22px}.region-priority strong{color:#fff;margin-bottom:10px;font-size:16px;display:block}.region-priority p{color:#e0e0da;margin:0 0 10px;font-size:13px;line-height:1.5}.region-priority small{color:#aaa9a2;font-size:11px;line-height:1.45;display:block}.region-content{grid-template-columns:320px 1fr;gap:66px;margin-top:42px;display:grid}.region-checklist{background:var(--card);border:1px solid var(--line);border-radius:13px;align-self:start;padding:20px}.region-checklist h3{margin:0 0 14px;font-size:20px}.region-checklist ul{margin:0;padding-left:19px}.region-checklist li{color:var(--muted);margin-bottom:9px;font-size:13px;line-height:1.5}.region-note{border-top:1px solid var(--line);color:var(--muted);margin:16px 0 0;padding-top:14px;font-size:11px;line-height:1.5}.region-steps li:last-child{margin-bottom:0}.region-actions{flex-wrap:wrap;gap:10px;margin-top:30px;display:flex}.region-action{border:1px solid var(--line);color:var(--ink);background:var(--card);border-radius:8px;align-items:center;padding:12px 15px;font-size:12px;font-weight:800;text-decoration:none;display:inline-flex}.region-action.primary{color:#fff;background:var(--ink);border-color:var(--ink)}.troubleshooting{border-top:1px solid var(--line);margin-top:90px;padding-top:38px}.troubleshooting-grid{grid-template-columns:320px minmax(0,1fr);align-items:start;gap:42px;margin-top:20px;display:grid}.troubleshooting-grid h2{letter-spacing:-.05em;margin:13px 0 16px;font-size:clamp(36px,5vw,62px);line-height:1}.troubleshooting-grid p{color:var(--muted);line-height:1.55}.troubleshooting-image{border:1px solid var(--line);background:var(--dark);border-radius:13px;margin:0;overflow:hidden}.troubleshooting-image img{width:100%;height:auto;display:block}.comparison,.common{border-top:1px solid var(--line);margin-top:90px;padding-top:38px}.section-heading{max-width:740px}.section-heading h2{letter-spacing:-.05em;margin:15px 0;font-size:clamp(30px,4vw,52px);line-height:1}.section-heading p{color:var(--muted);line-height:1.55}.table-wrap{border:1px solid var(--line);background:var(--card);border-radius:13px;margin-top:28px;overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:950px;font-size:12px}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:15px 13px}th{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;background:#efeee8;font-size:10px;line-height:1.35}tr:last-child td{border-bottom:0}td a{color:var(--ink);text-underline-offset:3px;text-decoration:underline}td code{white-space:nowrap}.ios-comment{border-left:3px solid var(--ink);color:#4d4c46;background:#ecebe4;margin-top:16px;padding:16px 18px;font-size:13px;line-height:1.5}.legend-grid,.check-grid{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:25px;display:grid}.legend-grid>div,.check-grid>div{border:1px solid var(--line);background:var(--card);border-radius:11px;flex-direction:column;gap:7px;padding:17px;display:flex}.legend-grid strong,.check-grid h3{font-size:14px}.legend-grid span,.check-grid p{color:var(--muted);margin:0;font-size:12px;line-height:1.45}.check-grid span{color:var(--muted);font-size:11px;font-weight:900}.check-grid h3{margin:0}.subscription{border-top:1px solid var(--line);padding:58px 0}.subscription-grid{grid-template-columns:1fr 1fr;align-items:end;gap:30px;display:grid}.subscription-title h2{letter-spacing:-.06em;margin:14px 0 6px;font-size:50px}.subscription-title p{color:var(--muted);margin:0;font-size:16px}.subscription-card{border:1px solid var(--line);background:var(--line);border-radius:13px;grid-template-columns:repeat(3,minmax(0,1fr));justify-self:end;gap:1px;min-width:280px;display:grid;overflow:hidden}.subscription-card>div{background:var(--card);flex-direction:column;gap:7px;min-width:150px;padding:16px;display:flex}.subscription-card span{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:10px;font-weight:900}.subscription-card strong{font-size:15px;line-height:1.25}.contacts{background:var(--dark);color:#fff;padding:46px 0}.contacts-grid{grid-template-columns:1fr 1fr;align-items:end;gap:30px;display:grid}.dark-label{color:#aaa9a2}.dark-label>span:first-child{color:#fff}.contacts-title h2{letter-spacing:-.06em;margin:14px 0 0;font-size:50px}.contacts-card{justify-self:end;min-width:280px}.phone-label{color:#aaa9a2;text-transform:uppercase;letter-spacing:.1em;margin-bottom:7px;font-size:11px;display:block}.phone{color:#fff;font-size:24px;font-weight:800;text-decoration:none}.messengers{color:#aaa9a2;align-items:center;gap:8px;margin-top:11px;font-size:12px;display:flex}.messengers span{background:#fff;border-radius:50%;width:7px;height:7px}@media (width<=900px){.client-options{grid-template-columns:repeat(3,minmax(0,1fr))}.guide{grid-template-columns:1fr;gap:36px}.guide-aside{max-width:620px}.region-heading,.region-content{grid-template-columns:1fr;gap:30px}.region-priority,.region-checklist{max-width:620px}.troubleshooting-grid{grid-template-columns:1fr;gap:30px}.troubleshooting-grid>div{max-width:620px}.subscription-grid{grid-template-columns:1fr;align-items:start}.subscription-card{justify-self:start}.contacts-grid{grid-template-columns:1fr;align-items:start}.contacts-card{justify-self:start}}@media (width<=640px){.shell{width:min(100% - 30px,1180px)}.instructions{padding:18px 0 62px}.mini-header{padding-bottom:15px}.wordmark{font-size:16px}.wordmark-dot{width:9px;height:9px}.intro{padding:54px 0 46px}h1{margin:18px 0 20px;font-size:clamp(43px,14vw,58px)}.intro p{font-size:16px}.protocol-card{margin-bottom:48px;padding:22px}.config-grid,.platforms,.client-options{grid-template-columns:repeat(2,minmax(0,1fr))}.platform{gap:10px;min-height:88px;padding:13px}.platform strong,.client-option strong{font-size:14px}.platform small,.client-option small{font-size:10px}.client-option{gap:9px;min-height:76px;padding:12px}.client-badge{width:29px;height:29px}.guide{gap:30px;padding-top:30px}.guide-aside h2{font-size:44px}.region-guide,.troubleshooting{margin-top:68px;padding-top:30px}.region-heading h2,.troubleshooting-grid h2{font-size:43px}.region-priority{padding:18px}.region-content{margin-top:32px}.region-action{text-align:center;justify-content:center;width:100%}.subscription{padding:42px 0}.subscription-title h2{font-size:44px}.subscription-card{grid-template-columns:1fr;width:100%}.subscription-card>div{min-width:0}.steps li{grid-template-columns:38px 1fr;gap:12px;margin-bottom:20px;padding-bottom:20px}.steps h3{font-size:17px}.contacts{padding:38px 0}.contacts-title h2{font-size:44px}}