:root{--portal-bg: #fafafa;--portal-ink: #18181b;--portal-muted: #52525b;--portal-line: #f4f4f5}*{box-sizing:border-box}.portal-page{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;min-height:100vh;min-height:100dvh;background:var(--portal-bg);color:var(--portal-ink);display:flex;flex-direction:column}.portal-grid{flex:1 1 auto;width:100%;display:grid;grid-template-columns:1fr;align-items:stretch}.portal-hero{display:none}.portal-h1{font-size:28px;line-height:1.2;font-weight:500;letter-spacing:-.02em;margin:0}.portal-features{display:flex;flex-direction:column;gap:24px}.portal-feature{display:flex;align-items:flex-start;gap:12px}.portal-feature svg{flex:0 0 16px;width:16px;height:17px;margin-top:3px}.portal-feature>div{flex:1 1 auto;min-width:0}.portal-feat-title{font-size:14px;font-weight:500;margin:0 0 2px}.portal-feat-desc{font-size:13px;line-height:1.5;color:var(--portal-muted);margin:0}.portal-card-wrap{display:flex;align-items:center;justify-content:center;padding:40px 20px}.portal-missing{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px;text-align:center;color:var(--portal-muted);font-family:system-ui,sans-serif}@media(max-width:640px){.portal-page{background:#fff}.portal-card-wrap{padding:24px 20px}}@media(min-width:768px){.portal-card-wrap{padding:56px 24px}}@media(min-width:1280px){.portal-grid{grid-template-columns:1fr 1fr;max-width:1080px;margin:0 auto}.portal-hero{display:flex;flex-direction:column;gap:32px;justify-content:center;padding:64px 56px;border-right:1px solid var(--portal-line)}.portal-card-wrap{padding:48px 56px}}