.miniprogram-promo {
  box-sizing: border-box;
  width: min(1240px, calc(100% - 36px));
  margin: clamp(44px, 7vw, 88px) auto;
  padding: clamp(28px, 5vw, 64px);
  color: #3f2c27;
  border: 1px solid #e9e4e0;
  border-radius: 32px;
  background: linear-gradient(145deg, #fafafa, #fffdf8 50%, #f8f6fc);
}
.miniprogram-promo-intro { max-width: 750px; margin-inline: auto; text-align: center; }
.miniprogram-promo .miniprogram-promo-eyebrow { margin: 0 0 20px; color: #697086; font-size: 12px; letter-spacing: .12em; }
.miniprogram-promo h2 {
  margin: 0 0 24px;
  color: #26315c;
  font-family: var(--serif, "Songti SC", serif);
  font-size: clamp(32px, 4.6vw, 58px);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -.035em;
}
.miniprogram-promo-description { max-width: 38em; margin: 0 auto; color: #6f6870; font-size: 15px; line-height: 1.95; }
.miniprogram-promo-search { width: fit-content; max-width: 100%; box-sizing: border-box; margin: 28px auto 0; padding: 16px 28px; border: 1px solid #e5e4ed; border-radius: 18px; background: #fffdf9; }
.miniprogram-promo-search > span { display: block; margin-bottom: 6px; color: #737283; font-size: 12px; }
.miniprogram-promo-search > strong { display: block; color: #26315c; font-size: 22px; font-weight: 600; letter-spacing: .04em; overflow-wrap: anywhere; }
.miniprogram-promo-search > p { margin: 8px 0 0; color: #737283; font-size: 12px; line-height: 1.8; }
.miniprogram-promo-actions { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 14px 24px; margin-top: 24px; }
.miniprogram-promo-actions a { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 44px; max-width: 100%; color: #414a79; font-size: 14px; line-height: 1.6; text-decoration: none; }
.miniprogram-promo-actions .miniprogram-promo-primary { padding: 10px 20px; color: #fffdf9; border: 1px solid #36446e; border-radius: 999px; background: #36446e; }
.miniprogram-promo-primary:hover { background: #26315c; }
.miniprogram-promo-secondary:hover { text-decoration: underline; text-underline-offset: 5px; }
.miniprogram-promo-actions a:focus-visible { outline: 3px solid #6575b9; outline-offset: 5px; }

/* The default is a compact, native SVG. Extra scroll space is opt-in after both assets load. */
.miniprogram-promo-scroll { --code-sticky-top: 68px; --code-room: 340px; position: relative; min-width: 0; margin-top: 28px; }
.miniprogram-promo-sticky { box-sizing: border-box; width: 100%; padding: 22px 0; }
.miniprogram-promo-motion-wrap { width: 100%; max-width: 620px; margin: 0 auto; text-align: center; }
.miniprogram-promo-scroll[data-scroll-ready="true"] { height: 148vh; height: 148svh; }
.miniprogram-promo-scroll[data-scroll-ready="true"] > .miniprogram-promo-sticky {
  position: sticky;
  top: var(--code-sticky-top);
  display: flex;
  align-items: center;
  justify-content: center;
  height: calc(100vh - var(--code-sticky-top));
  height: calc(100svh - var(--code-sticky-top));
}
.miniprogram-promo-scene-title { margin: 0 0 14px; color: #26315c; font-size: clamp(19px, 2.4vw, 28px); font-weight: 600; letter-spacing: -.025em; line-height: 1.4; }
.miniprogram-promo-motion {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 1;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 24px;
  background: #fffdf8;
}
[data-scroll-ready="true"] .miniprogram-promo-motion { width: min(100%, 520px, calc(100svh - var(--code-room))); }
.miniprogram-promo-motion [data-code-image] { position: absolute; top: 0; left: 0; display: block; width: 100%; max-width: none; height: 100%; object-fit: fill; object-position: left top; border-radius: 0; }
.miniprogram-promo-motion [data-code-canvas] { position: absolute; z-index: 1; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.miniprogram-promo-code-caption { margin: 14px 0 0; }
.miniprogram-promo-code-caption strong { display: block; color: #26315c; font-size: 21px; font-weight: 500; line-height: 1.5; }
.miniprogram-promo-code-caption span { display: block; margin-top: 5px; color: #737283; font-size: 12px; line-height: 1.7; }
.miniprogram-promo-code-caption .keeper-code-copy { display: inline-flex; min-height: 44px; align-items: center; gap: 10px; margin: 5px 0 0; padding: 0 10px; border: 0; border-radius: 10px; background: #f0f1fa; color: #26315c; font: inherit; font-size: 15px; font-weight: 600; line-height: 1.4; letter-spacing: .02em; cursor: pointer; }
.miniprogram-promo-code-caption .keeper-code-copy span { display: inline; margin: 0; color: #596793; font-size: 11px; font-weight: 500; letter-spacing: 0; }
.miniprogram-promo-code-caption .keeper-code-copy:focus-visible { outline: 3px solid #6575b9; outline-offset: 3px; }
.miniprogram-promo-motion-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 14px; }
.miniprogram-promo-motion-actions:has(> [hidden]:first-child + [hidden]:last-child) { margin-top: 0; }
.miniprogram-promo-motion-actions button { min-height: 44px; padding: 9px 18px; border: 1px solid #dadce8; border-radius: 999px; background: #ffffffd9; color: #414a79; font: inherit; font-size: 12px; line-height: 1.6; cursor: pointer; }
.miniprogram-promo-motion-actions button:hover { background: #eef0fa; }
.miniprogram-promo-motion-actions button:focus-visible { outline: 3px solid #6575b9; outline-offset: 4px; }
.miniprogram-promo .miniprogram-promo-scroll-hint,
.keeper-code-card .miniprogram-promo-scroll-hint { margin: 12px 0 0; color: #797b8c; font-size: 11px; line-height: 1.6; }
.miniprogram-promo-progress { width: 104px; height: 3px; margin: 12px auto 0; overflow: hidden; border-radius: 4px; background: #e5e6ec; }
.miniprogram-promo-progress > span { display: block; width: 100%; height: 100%; transform: scaleX(0); transform-origin: left; background: linear-gradient(90deg, #3961e3, #22abc4, #915edb, #ef7791); }
.miniprogram-promo [hidden], .keeper-code-card [hidden] { display: none !important; }

/* A scrolling ancestor would trap sticky positioning; this change is confined to the code section. */
.contact-panel:has(.keeper-code-card) { overflow: visible; grid-template-columns: minmax(0, 1fr); }
.contact-panel .keeper-code-card { --code-room: 490px; grid-column: 1 / -1; width: 100%; max-width: none; box-sizing: border-box; margin: 0; padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.keeper-code-heading { margin-bottom: 12px; }
.keeper-code-heading > span { display: block; color: #737283; font-size: 12px; line-height: 1.5; }
.keeper-code-heading > strong { display: block; margin-top: 6px; color: #26315c; font: 500 clamp(22px, 2.6vw, 30px)/1.4 var(--serif, "Songti SC", serif); }
.keeper-code-card .keeper-code-caption { display: block; margin: 14px 0 0; font-size: 14px; line-height: 1.6; color: #414a79; }
.keeper-code-caption span { display: block; margin-top: 4px; font-size: 12px; line-height: 1.5; color: #737283; }
.keeper-code-card .keeper-code-original { display: inline-block; width: auto; min-height: 28px; margin-top: 10px; padding: 0; border: 0; border-radius: 0; background: transparent; font-size: 12px; line-height: 1.8; color: #596793; }
.miniprogram-promo-features { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin-top: 40px; }
.miniprogram-promo-features article { padding-top: 20px; border-top: 1px solid #dedde5; }
.miniprogram-promo-features article > span { color: #70738a; font-size: 12px; }
.miniprogram-promo-features h3 { margin: 8px 0; color: #3f2c27; font-family: var(--serif, "Songti SC", serif); font-size: 19px; font-weight: 500; line-height: 1.5; }
.miniprogram-promo-features p { margin: 0; color: #6f5d55; font-size: 14px; line-height: 1.85; }
.about-source-note .miniprogram-search-note,
.guide-medical-note .miniprogram-search-note { padding: 14px 18px; border-left: 2px solid #b99567; background: rgba(255, 253, 249, .6); }
.about-source-note .miniprogram-search-note strong,
.guide-medical-note .miniprogram-search-note strong { display: inline; margin: 0 .25em; color: #3f2c27; font-family: inherit; font-size: inherit; font-weight: 600; }

@media (max-width: 720px) {
  .miniprogram-promo { margin: 36px auto 12px; padding: 30px 20px 18px; border-radius: 24px; }
  .miniprogram-promo h2 { font-size: clamp(29px, 8vw, 40px); }
  .miniprogram-promo-description { font-size: 14px; }
  .miniprogram-promo-search { padding: 14px 18px; }
  .miniprogram-promo-scroll { --code-sticky-top: 62px; --code-room: 310px; margin-top: 22px; }
  .contact-panel .keeper-code-card { --code-room: 370px; }
  .miniprogram-promo-sticky { padding: 12px 0 0; }
  .miniprogram-promo-scene-title { font-size: 19px; }
  .miniprogram-promo-code-caption strong { font-size: 19px; }
  .miniprogram-promo-code-caption span { font-size: 11px; }
  .miniprogram-promo-features { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .miniprogram-promo-features h3 { font-size: 20px; }
  .miniprogram-promo-actions { gap: 10px 18px; }
}
@media (prefers-reduced-motion: reduce), (max-height: 480px) {
  .miniprogram-promo-scroll[data-scroll-ready="true"] { height: auto; }
  .miniprogram-promo-scroll[data-scroll-ready="true"] > .miniprogram-promo-sticky { position: static; height: auto; }
  [data-scroll-ready="true"] .miniprogram-promo-motion { width: min(100%, 360px); }
  .miniprogram-promo-motion [data-code-image] { opacity: 1 !important; }
  .miniprogram-promo-motion [data-code-canvas],
  .miniprogram-promo-motion-actions,
  .miniprogram-promo-scroll-hint,
  .miniprogram-promo-progress { display: none !important; }
}

/* One shared scroll scene; two purposes stay side by side on wide screens. */
.code-pair-track { scroll-margin-top: 80px; --code-room: 340px; }
.code-pair-track .miniprogram-promo-sticky { flex-direction: column; }
.code-pair-grid { display: grid; width: 100%; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px; }
.code-pair-grid .miniprogram-promo-motion-wrap { min-width: 0; }
.code-pair-grid .miniprogram-promo-scene-title { font-size: clamp(22px, 2.4vw, 30px); }
.code-pair-tabs { display: none; }
.keeper-code-shortcut { align-self: center; text-align: center; }
.keeper-code-shortcut a { display: inline-flex; min-height: 44px; align-items: center; padding: 12px 20px; color: #5b4035; font-size: 14px; }
@media (max-width: 720px) {
  .code-pair-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .code-pair-tabs { display: flex; flex: none; margin: 0 auto 22px; padding: 4px; gap: 4px; border: 1px solid #e2e2ec; border-radius: 999px; background: #efeff5; }
  .code-pair-tabs button { min-height: 44px; padding: 9px 17px; border: 0; border-radius: 999px; background: transparent; color: #57596d; font: inherit; font-size: 13px; cursor: pointer; }
  .code-pair-tabs button[aria-pressed="true"] { background: #fffdf8; color: #26315c; box-shadow: 0 2px 8px #26315c0d; }
  .code-pair-tabs button:focus-visible { outline: 3px solid #6575b9; outline-offset: 2px; }
  .code-pair-track[data-code-selected="mini"] [data-code-pane="keeper"],
  .code-pair-track[data-code-selected="keeper"] [data-code-pane="mini"] { display: none; }
  .code-pair-track { --code-room: 380px; }
  .code-pair-track[data-scroll-ready="true"] { height: 140vh; height: 140svh; }
  .code-pair-track[data-scroll-ready="true"] > .miniprogram-promo-sticky { justify-content: flex-end; }
}
@media (max-height: 480px) { .code-pair-track .miniprogram-promo-motion { width: min(100%, 360px); } }

.miniprogram-promo-footnote { margin: 14px auto 0; color: #737283; text-align: center; font-size: 13px; line-height: 1.9; }
.miniprogram-promo-footnote strong { color: #414a79; font-weight: 500; }
.miniprogram-promo-footnote a { display: inline-flex; align-items: center; min-height: 44px; margin-left: 12px; color: #414a79; text-underline-offset: 4px; }
body[data-page="catalog"] .contact-panel { display: flex; flex-direction: column; gap: 12px; align-items: center; margin: 0 0 36px; padding: 0 24px 20px; border: 0; border-radius: 0; background: none; box-shadow: none; text-align: center; }
body[data-page="catalog"] .contact-panel > p { margin: 0; color: #88776a; font-size: 13px; }
body[data-page="catalog"] .contact-panel .contact-actions { justify-content: center; gap: 12px; }
body[data-page="catalog"] .contact-panel .contact-actions > * { font-size: 13px; min-height: 44px; }
body[data-page="catalog"] .contact-reading-link { display: inline-flex; align-items: center; min-height: 44px; color: #88776a; font-size: 12px; text-underline-offset: 4px; }