dialog.sipco-install-guide{box-sizing:border-box;width:560px;max-width:calc(100vw - 24px);max-height:calc(100dvh - 32px);overflow:auto;border:1px solid var(--line,var(--border,#cbd5db));border-radius:16px;padding:20px;background:var(--panel,var(--surface,#fff));color:var(--ink,var(--text,#173139));font-size:14px;line-height:1.5;overflow-wrap:anywhere}
dialog.sipco-install-guide::backdrop{background:#102e3966}
dialog.sipco-install-guide h2{font-size:19px;line-height:1.3;margin:0 0 14px}
dialog.sipco-install-guide label{display:block;font-size:12px}
dialog.sipco-install-guide select{display:block;box-sizing:border-box;width:100%;max-width:100%;min-height:40px;margin:4px 0 12px;padding:8px;border:1px solid var(--line,var(--border,#cbd5db));border-radius:8px;background:var(--panel,var(--surface,#fff));color:inherit;font:inherit;font-size:16px}
dialog.sipco-install-guide ol{padding-left:22px;margin:12px 0}
dialog.sipco-install-guide li{padding:0;margin:8px 0;line-height:1.5}
dialog.sipco-install-guide .sipco-install-note{font-size:12px;color:var(--muted,#536975);margin:10px 0}
dialog.sipco-install-guide button{min-height:40px;padding:8px 16px;border:1px solid var(--line,var(--border,#cbd5db));border-radius:9px;background:var(--panel,var(--surface,#fff));color:inherit;font:inherit;cursor:pointer}