/* Owner-approved Zaoju editorial language; scoped to the public portal only. */
.portal-editorial {
  --portal-wide: 70rem;
  --portal-reading: 43rem;
  --portal-serif: "STFangsong", "FangSong", "Songti SC", serif;
  --portal-gutter: clamp(1.25rem, 5vw, 4rem);
  font-size: 1.0625rem;
  line-height: 1.85;
}
.portal-width { width: min(calc(100% - var(--portal-gutter) * 2), var(--portal-wide)); margin-inline: auto; }
.portal-reading { width: min(calc(100% - var(--portal-gutter) * 2), var(--portal-reading)); margin-inline: auto; }
.portal-editorial .z-header { padding-inline: var(--portal-gutter); }
.portal-editorial .z-brand { font-family: var(--portal-serif); font-size: 1.75rem; letter-spacing: .06em; font-weight: 500; }
.portal-editorial .z-nav { margin-left: auto; }
.portal-editorial .z-nav a { font-size: 1rem; }
.portal-editorial .z-hero { min-height: min(64rem, 100svh); padding: 9rem 0 7rem; align-items: center; }
.portal-editorial .z-hero-copy { text-align: left; }
.portal-editorial .z-hero h1 { margin: 1.25rem 0 1.5rem; font-size: clamp(5rem, 3rem + 7vw, 9.5rem); line-height: 1.1; letter-spacing: .04em; }
.portal-editorial .z-hero-meta, .portal-english { font-size: .875rem; line-height: 1.6; letter-spacing: .2em; color: var(--z-gold); }
.portal-editorial .z-hero-meta { margin: 0; }
.portal-editorial .portal-slogan { font-family: var(--portal-serif); font-size: clamp(2rem, 1.4rem + 2vw, 3rem); line-height: 1.4; margin: 0 0 1rem; }
.portal-english { margin: 0 0 2rem; }
.portal-editorial .z-hero-lead { max-width: 33rem; margin: 0; font-size: 1.125rem; line-height: 1.9; }
.portal-editorial .z-hero-lead p { margin: 0 0 1rem; }
.portal-editorial .z-actions { justify-content: flex-start; gap: 1.5rem; margin-top: 2rem; }
.portal-editorial .z-button { min-height: 3.25rem; padding: .8rem 1.4rem; gap: 1rem; font-size: 1rem; line-height: 1.5; }
.portal-text-link { display: inline-flex; align-items: center; gap: 1rem; min-height: 3rem; font-size: 1rem; }
.portal-text-link:hover { text-decoration: underline; text-underline-offset: .3em; }
.portal-editorial .z-scroll-cue { font-size: .875rem; min-height: 2.75rem; }
.portal-editorial .z-chapter { padding: clamp(5rem, 9vw, 8rem) 0 2rem; }
.portal-editorial .z-chapter > * + * { margin-top: 3rem; }
.portal-editorial .z-copy h2 { font-family: var(--portal-serif); font-size: clamp(2.25rem, 1.5rem + 2vw, 3.5rem); line-height: 1.4; font-weight: 500; letter-spacing: .015em; }
.portal-editorial .z-eyebrow { font-size: .875rem!important; margin-bottom: 1rem; letter-spacing: .12em; }
.portal-editorial .z-copy p { font-size: 1.125rem; line-height: 1.9; margin: 0 0 1.5rem; }
.portal-editorial .z-copy p:last-child { margin-bottom: 0; }
.portal-editorial .z-lead { margin-top: 1.75rem; }
.portal-tabs { width: min(100%, 52rem); max-width: 100%; margin-inline: auto; border: 1px solid var(--z-line); border-radius: 999px; padding: .35rem; }
.portal-tab-track { display: flex; gap: .35rem; }
.portal-tabs button { display: flex; flex: 1 1 0; min-width: 0; flex-wrap: wrap; align-items: center; justify-content: center; gap: .35rem .8rem; min-height: 3.5rem; padding: .7rem 1.4rem; border: 0; border-radius: 999px; color: inherit; background: transparent; font-size: 1.125rem; line-height: 1.5; white-space: normal; }
.portal-tabs button:hover { background: rgba(255,255,255,.07); }
.portal-tabs button:focus-visible { outline-offset: -3px; }
.portal-tab-step { font-size: .875rem; color: var(--z-gold); }
.portal-tab-help { font-size: .875rem; line-height: 1.7; color: var(--z-muted); text-align: center; margin: .8rem 0 1.75rem!important; }
.portal-editorial .portal-panels { margin-top: 0; }
.portal-editorial .portal-path { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; padding: 2.5rem; border-radius: 1.75rem; align-items: center; position: relative; }
.portal-path > .family-alias { position: absolute; top: 0; left: 0; }
.portal-editorial .portal-path > img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 1rem; margin: 0; }
.portal-path-copy { min-width: 0; }
.portal-editorial .portal-path .portal-path-kicker { color: var(--z-gold); font-size: .875rem; letter-spacing: .08em; margin: 0 0 1rem; }
.portal-editorial .portal-path h3 { margin: 0 0 1rem; font-size: clamp(1.75rem, 1rem + 1.6vw, 2.25rem); line-height: 1.45; font-weight: 500; letter-spacing: -.025em; }
.portal-editorial .portal-path .portal-path-intent { color: var(--z-gold); font-size: 1.125rem; margin-bottom: 1.5rem; }
.portal-path .z-button { margin-top: 1rem; background: var(--z-paper); color: #141613; }
.portal-proof { position: relative; isolation: isolate; overflow: hidden; border-radius: 1.75rem; margin-top: 5rem; min-height: 22rem; }
.portal-proof > img { display: block; width: 100%; aspect-ratio: 2.35 / 1; object-fit: cover; object-position: center 48%; }
.portal-proof::after { content: ""; position: absolute; inset: 0; z-index: 0; background: linear-gradient(0deg, rgba(4,7,7,.88), transparent 80%); pointer-events: none; }
.portal-proof-caption { position: absolute; z-index: 1; bottom: 2.5rem; left: 2.5rem; right: 2.5rem; }
.portal-proof h2 { font-family: var(--portal-serif); font-size: clamp(2.5rem, 2rem + 2vw, 4rem); font-weight: 500; letter-spacing: .04em; margin: 0; line-height: 1.3; }
.portal-editorial .portal-why { padding-bottom: 6rem; }
.portal-promise { margin-top: 2rem; padding-block: 1.5rem; border-block: 1px solid var(--z-line); }
.portal-editorial .portal-promise p { font-size: 1rem; color: var(--z-muted); }
.portal-footer { position: relative; background: #080b0a; padding: 3rem 0 1.5rem; border-top: 1px solid var(--z-line); font-size: 1rem; }
.portal-footer-top { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-bottom: 2.5rem; }
.portal-footer-brand { font-family: var(--portal-serif); font-size: 2.5rem; letter-spacing: .04em; }
.portal-footer-brand span { display: inline-block; margin-left: .8rem; font-family: "OpenAI Sans", "Microsoft YaHei", sans-serif; font-size: .875rem; letter-spacing: .18em; color: var(--z-gold); }
.portal-footer .family-top { margin: 0; font-size: .875rem; display: inline-flex; min-height: 2.75rem; align-items: center; }
.portal-footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 3rem; }
.portal-footer-note { margin: 0; max-width: 22rem; color: var(--z-muted); line-height: 1.9; }
.portal-footer nav h2 { font-size: 1rem; font-weight: 500; margin: 0 0 .75rem; color: var(--z-gold); }
.portal-footer nav a { display: flex; align-items: center; width: fit-content; min-height: 2.75rem; font-size: 1rem; }
.portal-footer a:hover { text-decoration: underline; text-underline-offset: .3em; }
.portal-footer-legal { display: flex; flex-wrap: wrap; align-items: center; gap: .3rem 1.5rem; border-top: 1px solid var(--z-line); margin-top: 3rem; padding-top: 1.5rem; font-size: .875rem; color: var(--z-muted); }
.portal-footer-legal p { margin: 0; }
.portal-footer-legal a { min-height: 2.75rem; display: inline-flex; align-items: center; }
@media (max-width: 900px) {
  .portal-editorial .z-nav { margin-left: 0; }
  .portal-editorial .portal-path { gap: 1.5rem; padding: 2rem; }
  .portal-tabs button { padding-inline: 1rem; }
  .portal-tab-step { display: block; }
  .portal-footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .portal-footer-note { grid-column: 1 / -1; max-width: 32rem; }
}
@media (max-width: 700px) {
  .portal-editorial .z-hero { min-height: 100svh; padding-top: 7rem; padding-bottom: 6rem; }
  .portal-editorial .z-hero h1 { font-size: clamp(4.5rem, 3rem + 9vw, 7rem); }
  .portal-editorial .z-hero-lead { font-size: 1.0625rem; }
  .portal-editorial .portal-path { display: flex; flex-direction: column; gap: 2rem; padding: 1.5rem; border-radius: 1.25rem; }
  .portal-editorial .portal-path > img { aspect-ratio: 4 / 3; }
  .portal-editorial .z-copy p { font-size: 1.0625rem; }
  .portal-tabs { width: 100%; overflow: visible; border-radius: 1.5rem; }
  .portal-tab-track { width: 100%; gap: .2rem; }
  .portal-tabs button { flex: 1 1 0; min-width: 0; flex-direction: column; gap: .25rem; white-space: normal; padding: .75rem .35rem; border-radius: 1.15rem; font-size: 1rem; }
  .portal-tab-step { font-size: .8125rem; }
  .portal-tab-help { text-align: left; }
  .portal-proof { margin-top: 3rem; min-height: 18rem; border-radius: 1.25rem; }
  .portal-proof > img { min-height: 18rem; aspect-ratio: 1 / 1; }
  .portal-proof-caption { left: 1.5rem; bottom: 1.5rem; right: 1.5rem; }
  .portal-editorial .portal-why { padding-bottom: 4rem; }
  .portal-footer-top { gap: 1rem; }
  .portal-footer-grid { gap: 2rem 1rem; }
  .portal-footer nav a { font-size: .9375rem; }
  .portal-footer-legal { gap: .5rem 1rem; }
}
@media (prefers-reduced-motion: reduce) { .portal-editorial *, .portal-editorial *::before, .portal-editorial *::after { scroll-behavior: auto!important; } }
@media print { .portal-editorial .portal-path { display: block!important; }.portal-footer { color: #111; background: white; }.portal-proof { break-inside: avoid; }.portal-editorial .z-copy h2 { color: #111; } }