.install-guide{width:min(560px,calc(100vw - 24px));max-height:calc(100dvh - 24px);overflow:auto;border:0;border-radius:24px;padding:0;background:#fff;box-shadow:0 30px 90px rgba(25,9,35,.34)}
.install-guide::backdrop{background:rgba(25,9,35,.68);backdrop-filter:blur(3px)}
.install-guide-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:22px 22px 18px;background:var(--primary);color:#fff}
.install-guide-head span{display:block;margin-bottom:5px;color:var(--accent);font-size:.75rem;font-weight:850;letter-spacing:.1em;text-transform:uppercase}
.install-guide-head h2{margin:0;font:700 clamp(1.55rem,6vw,2.1rem)/1.08 Georgia,serif}
.install-guide-head button{flex:0 0 40px;width:40px;height:40px;border:1px solid rgba(255,255,255,.3);border-radius:999px;background:rgba(255,255,255,.12);color:#fff;font-size:1.65rem;line-height:1}
.install-guide-body{padding:22px}
.install-intro{margin:0 0 18px;color:var(--ink);font-size:1rem;line-height:1.55}
.install-steps{display:grid;gap:13px;list-style:none;counter-reset:setup;margin:0;padding:0}
.install-steps li{position:relative;counter-increment:setup;padding:14px 14px 14px 58px;border:1px solid var(--line);border-radius:15px;background:var(--soft)}
.install-steps li::before{content:counter(setup);position:absolute;left:14px;top:14px;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;background:var(--accent);color:var(--primary);font-weight:900}
.install-steps strong,.install-steps span{display:block}
.install-steps strong{margin-bottom:4px;color:var(--primary);font-size:.98rem}
.install-steps span{color:var(--muted);font-size:.9rem;line-height:1.45}
.install-address{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:17px;padding:12px;border:1px dashed color-mix(in srgb,var(--primary) 35%,var(--line));border-radius:14px}
.install-address span{font-weight:800;overflow-wrap:anywhere}
.install-address button{flex:0 0 auto}
.install-note{margin:15px 0;color:var(--muted);font-size:.85rem;line-height:1.45}
.install-done{width:100%}
@media(max-width:520px){.install-guide-body{padding:18px}.install-address{align-items:stretch;flex-direction:column}.install-address button{width:100%}}