:root{color-scheme:light;--bg:#eef3f7;--surface:#fff;--surface-soft:#f7fafc;--text:#101828;--muted:#526175;--border:#d7e1ea;--primary:#087f72;--primary-soft:#e5f5f1;--shadow:0 18px 45px rgba(25,45,65,.09)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Tahoma,"Segoe UI",Arial,sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased}
a{color:var(--primary)}
.shell{width:min(calc(100% - 28px),900px);margin:auto;padding:22px 0 54px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;padding:12px 14px;border:1px solid var(--border);border-radius:18px;background:var(--surface);box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);text-decoration:none}
.mark{position:relative;display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:var(--primary);box-shadow:0 8px 22px rgba(8,127,114,.2)}
.mark:before{content:"";width:17px;height:17px;border:2px solid #fff;border-radius:5px;transform:rotate(-7deg)}
.mark:after{content:"";position:absolute;width:8px;height:2px;border-radius:2px;background:#fff;transform:rotate(-38deg)}
.brand strong{display:block;font-size:1rem;line-height:1.35}.brand small{display:block;color:var(--muted);font-size:.72rem}
.home{padding:8px 12px;border:1px solid var(--border);border-radius:11px;background:var(--surface-soft);font-size:.82rem;font-weight:800;text-decoration:none}
.hero{position:relative;overflow:hidden;margin-bottom:16px;padding:38px 34px;border:1px solid rgba(8,127,114,.26);border-radius:24px;background:linear-gradient(135deg,var(--surface),var(--primary-soft));box-shadow:var(--shadow)}
.hero:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:var(--primary)}
.eyebrow{display:inline-flex;margin-bottom:10px;padding:5px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:.76rem;font-weight:900}
h1{margin:0 0 10px;font-size:clamp(1.65rem,5vw,2.5rem);line-height:1.35}h2{margin:0 0 8px;font-size:1.15rem;line-height:1.5}p{margin:0 0 12px;color:var(--muted)}
.updated{margin:0;color:var(--muted);font-size:.83rem;font-weight:700}
.card{margin-bottom:13px;padding:23px;border:1px solid var(--border);border-radius:19px;background:var(--surface);box-shadow:var(--shadow)}
.card p:last-child,.card ul:last-child{margin-bottom:0}
ul{margin:8px 0 14px;padding-inline-start:22px;color:var(--muted)}li{margin:6px 0;padding-inline-start:3px}
.callout{border-color:rgba(8,127,114,.28);background:var(--primary-soft)}
.contact{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}.email{display:inline-flex;padding:9px 13px;border-radius:11px;background:var(--primary);color:#fff;font-weight:900;text-decoration:none;direction:ltr}
.support-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.support-grid .card{margin:0}
.steps{counter-reset:item;list-style:none;padding:0}.steps li{position:relative;padding:13px 52px 13px 13px;border-top:1px solid var(--border)}.steps li:first-child{border-top:0}.steps li:before{counter-increment:item;content:counter(item);position:absolute;right:10px;top:11px;display:grid;place-items:center;width:30px;height:30px;border-radius:10px;background:var(--primary-soft);color:var(--primary);font-weight:900}
.warning{padding:14px;border:1px solid #f3c6a3;border-radius:13px;background:#fff7ed;color:#8a4518;font-weight:750}
footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding:18px 5px;color:var(--muted);font-size:.8rem}footer nav{display:flex;flex-wrap:wrap;gap:12px}footer a{color:var(--muted)}
@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#07131e;--surface:#0e2030;--surface-soft:#13283a;--text:#f7fafc;--muted:#b7c4d1;--border:#2a4053;--primary:#4dd6bf;--primary-soft:#10312f;--shadow:0 18px 46px rgba(0,0,0,.25)}.mark:before{border-color:#05231e}.mark:after{background:#05231e}.email{color:#05231e}.warning{border-color:#754728;background:#2c2118;color:#ffd0a8}}
@media(max-width:620px){.shell{width:min(calc(100% - 20px),900px);padding-top:10px}.nav{border-radius:15px}.hero{padding:28px 19px;border-radius:20px}.card{padding:18px;border-radius:17px}.support-grid{grid-template-columns:1fr}.home{font-size:0;width:42px;height:42px}.home:after{content:"\2190";font-size:1.2rem}.contact{align-items:stretch;flex-direction:column}.email{justify-content:center}}