/* Public inner pages extend the homepage's single design system.
   Palette, fonts, navigation, buttons and footer come from home-studio-v1.css.
   No per-app themes. App identity is carried by original icons and screenshots.
   Panels: 28px; small surfaces: 16px; actions: pills. Navigation layer: 20. */
.site-inner { min-height: 100dvh; display: flex; flex-direction: column; }
.site-inner main { flex: 1; }
.site-inner h1 { font-size: clamp(38px, 4.3vw, 60px); line-height: 1.12; letter-spacing: -.05em; font-weight: 600; text-wrap: balance; overflow-wrap: anywhere; }
.site-inner[data-lang="zh"] h1 { font-size: clamp(34px, 4vw, 54px); line-height: 1.25; }
.site-inner h2 { font-size: clamp(27px, 3vw, 40px); line-height: 1.3; font-weight: 600; letter-spacing: -.04em; text-wrap: balance; }
.site-inner h3 { font-size: 21px; line-height: 1.4; font-weight: 600; letter-spacing: -.025em; }
.site-inner p, .site-inner li { color: var(--muted); font-size: 16px; line-height: 1.8; }
.site-inner p + p { margin-top: 16px; }
.site-inner .actions { gap: 12px; margin-top: 28px; }
.site-inner .button { max-width: 100%; }
.site-inner .button.secondary, .site-inner .button.ghost { color: var(--rose-dark); border: 1px solid var(--line); background: var(--paper); }
.site-inner .button.secondary:hover, .site-inner .button.ghost:hover { border-color: var(--rose); background: var(--pink); }
.site-inner .button.light { background: var(--rose); color: var(--paper); }
.site-inner .button.light:hover { background: var(--rose-dark); }
.site-inner .text-link { color: var(--rose-dark); }
.site-inner .text-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.site-inner .button.disabled { background: var(--line); color: var(--muted); cursor: not-allowed; box-shadow: none; }
.site-inner .brand, .site-inner .footer-brand { color: var(--ink); }
.site-inner .footer { margin-top: 56px; }
.site-inner .footer p { font-size: 10px; }
.site-inner .footer-links { align-items: center; }
.site-inner .footer-links a { overflow-wrap: anywhere; }

/* The same split hero on every app page, with original product artwork. */
.detail-hero, .itt-hero { padding: 54px 0 44px; }
.detail-panel, .itt-hero-grid { display: grid; grid-template-columns: minmax(0, 1.28fr) minmax(0, 1fr); align-items: center; gap: clamp(32px, 5vw, 72px); }
.detail-copy, .itt-hero-copy { min-width: 0; grid-column: 1; grid-row: 1; }
.detail-copy > .eyebrow { margin-bottom: 22px; letter-spacing: .08em; font-size: 11px; }
.detail-copy > p, .itt-hero-copy > p { max-width: 620px; margin-top: 24px; }
.product-art, .phone-stage { grid-column: 2; grid-row: 1; background: var(--pink); border: 1px solid var(--line); border-radius: var(--radius); min-height: 370px; display: grid; place-items: center; padding: 42px; }
.app-icon { width: 176px; height: 176px; border-radius: 38px; object-fit: contain; box-shadow: 0 18px 42px rgba(140,46,80,.13); }
.meta-row, .platform-line, .version-badges { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 22px; }
.tag, .platform-line > span, .version-badges > span { font-size: 11px; line-height: 1.5; padding: 7px 12px; border-radius: 999px; background: var(--paper); color: var(--rose-dark); border: 1px solid var(--line); }
.product-signature { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; color: var(--rose-dark); font-size: 14px; font-weight: 650; }
.product-signature img { width: 48px; height: 48px; border-radius: 13px; }
.product-signature small { display: block; font-size: 10px; font-weight: 500; color: var(--muted); margin-top: 2px; }
.kicker { margin-bottom: 14px; font-size: 11px; color: var(--muted); }
.phone-stage { padding: 26px; min-height: 0; }
.phone-shell { margin: 0; width: 208px; max-width: 100%; }
.phone-shell img { width: 100%; height: auto; border-radius: 26px; border: 5px solid var(--paper); box-shadow: 0 16px 36px rgba(140,46,80,.12); }
.app-store-button { display: grid; align-content: center; justify-items: start; min-width: 168px; gap: 3px; padding: 12px 22px; line-height: 1.2; }
.app-store-button small { font-size: 10px; font-weight: 500; }
.app-store-button strong { font-size: 17px; font-weight: 650; }

/* Reusable content surfaces, with one rose palette instead of app-specific colors. */
.site-inner main > section { padding: 44px 0; }
.section-head, .section-intro { max-width: 760px; margin-bottom: 30px; }
.section-head p, .section-intro p { margin-top: 18px; max-width: 680px; }
.feature-grid, .support-grid, .legal-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.feature-card, .support-card, .legal-card { padding: 30px; border-radius: var(--radius); border: 1px solid var(--line); background: #f9eff3; min-width: 0; }
.feature-card:nth-child(even), .support-card:nth-child(even), .legal-card:nth-child(even) { background: var(--paper); }
.feature-grid > :last-child:nth-child(odd), .support-grid > :last-child:nth-child(odd), .legal-grid > :last-child:nth-child(odd) { grid-column: 1 / -1; }
.feature-card p, .support-card p, .legal-card p { margin-top: 12px; font-size: 15px; }
.admin-panel { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 28px; background: var(--pink); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.admin-panel > div { flex: 1 1 320px; min-width: 0; }
.admin-panel p { margin-top: 12px; max-width: 700px; }
.admin-panel a { overflow-wrap: anywhere; }
.site-inner .itt-value-strip { padding: 0 0 26px; }
.value-strip-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; padding-block: 24px; border-block: 1px solid var(--line); color: var(--rose-dark); }
.value-strip-grid strong { font-size: 13px; font-weight: 600; }
.screenshot-disclosure { font-size: 13px !important; max-width: 840px; margin-bottom: 32px; }
.itt-screenshot-features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.screenshot-feature { display: flex; flex-direction: column; padding: 30px; border-radius: var(--radius); border: 1px solid var(--line); background: #f9eff3; min-width: 0; }
.screenshot-feature figure { display: grid; place-items: center; margin: 0 0 26px; padding: 20px; background: var(--pink); border-radius: 16px; }
.screenshot-feature img { width: 192px; height: auto; border-radius: 22px; border: 4px solid var(--paper); }
.screenshot-feature p { margin-top: 12px; font-size: 15px; }
.site-inner .itt-trust-section { background: #f9eff3; margin-block: 24px; padding-block: 56px; }
.trust-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 54px; align-items: start; }
.trust-grid p { margin-top: 18px; }
.trust-grid .text-link { margin-top: 20px; }
.trust-cards { display: grid; gap: 24px; }
.trust-cards article { border-top: 1px solid var(--line); padding-top: 22px; }
.trust-cards article:first-child { border-top: 0; padding-top: 0; }
.trust-cards p { font-size: 15px; margin-top: 9px; }
.download-panel { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 38px; align-items: center; padding: 42px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--pink); }
.download-panel h2 { max-width: 720px; }
.download-panel p { margin-top: 18px; max-width: 700px; }
.download-panel p, .admin-panel p { color: var(--ink); }
.download-panel p small { font-size: 12px; line-height: 1.7; }
.download-actions { display: grid; gap: 12px; }

/* Policy/support content stays complete, in a calm readable column. */
.site-inner .hero { padding: 54px 0 36px; }
.hero > .shell { max-width: 1040px; }
.hero .eyebrow { margin-bottom: 22px; }
.hero-copy { max-width: 860px; margin-top: 24px; }
.policy-layout { display: grid; gap: 0; max-width: 1040px; }
.policy-card { padding: 32px 0; border-top: 1px solid var(--line); min-width: 0; }
.policy-card h2 { font-size: 27px; margin-bottom: 20px; }
.policy-card h3 { font-size: 20px; margin: 24px 0 12px; }
.policy-card p, .policy-card li { max-width: 860px; overflow-wrap: anywhere; }
.policy-card ul, .policy-card ol { padding-left: 22px; margin: 16px 0; }
.policy-card li + li { margin-top: 14px; }
.policy-card a { color: var(--rose-dark); text-decoration: underline; text-underline-offset: 3px; }
.policy-card strong { color: var(--ink); font-weight: 600; }
.policy-card:target { scroll-margin-top: 110px; }

@media (max-width: 1080px) {
  .site-inner .nav-links { gap: 12px; }
  .product-art { min-height: 330px; padding: 30px; }
  .detail-panel, .itt-hero-grid { gap: 32px; }
  .trust-grid { gap: 32px; }
}
@media (max-width: 900px) {
  .site-ui-ready .menu-toggle { display: flex; gap: 12px; align-items: center; min-height: 44px; border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; background: transparent; color: var(--ink); font-size: 12px; }
  .site-ui-ready .nav-links { display: none; }
  .site-ui-ready .nav-links.is-open { display: flex; }
  .site-inner .nav-links { max-height: calc(100dvh - 90px); overflow-y: auto; }
  .detail-panel, .itt-hero-grid { grid-template-columns: 1fr; }
  .detail-copy, .itt-hero-copy { grid-column: 1; grid-row: 1; }
  .product-art, .phone-stage { grid-column: 1; grid-row: 2; min-height: 270px; }
  .phone-stage { padding: 28px; }
  .detail-copy > p, .itt-hero-copy > p { max-width: 700px; }
  .app-icon { width: 152px; height: 152px; border-radius: 34px; }
  .trust-grid, .download-panel { grid-template-columns: 1fr; }
  .download-actions { display: flex; flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .detail-hero, .itt-hero { padding: 34px 0 28px; }
  .site-inner main > section { padding: 30px 0; }
  .site-inner h1 { font-size: clamp(34px, 9vw, 46px); }
  .site-inner[data-lang="zh"] h1 { font-size: clamp(31px, 8vw, 42px); }
  .site-inner h2 { font-size: 29px; }
  .site-inner p, .site-inner li { font-size: 15px; }
  .site-inner .actions { gap: 10px; }
  .site-inner .actions .button { flex: 0 1 auto; }
  .site-inner .button { white-space: normal; text-align: center; gap: 8px; }
  .site-inner .app-store-button { min-width: 158px; white-space: nowrap; text-align: left; }
  .feature-grid, .support-grid, .legal-grid, .itt-screenshot-features { grid-template-columns: 1fr; }
  .feature-card, .support-card, .legal-card, .screenshot-feature, .admin-panel { padding: 24px; }
  .value-strip-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
  .download-panel { padding: 28px 24px; gap: 28px; }
  .site-inner .hero { padding: 34px 0 24px; }
  .policy-card { padding: 26px 0; }
  .policy-card h2 { font-size: 25px; }
  .site-inner .footer { margin-top: 34px; }
}