.page-yanan {
  --ya-ink: #15120f;
  --ya-charcoal: #24201b;
  --ya-paper: #efe4ca;
  --ya-paper-deep: #ddcaa5;
  --ya-cream: #f7f0de;
  --ya-oxblood: #6c2924;
  --ya-clay: #b55f3f;
  --ya-olive: #718058;
  --ya-gold: #d09b46;
  --ya-muted: #746b5e;
  background: var(--ya-ink);
  color: var(--ya-cream);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

.page-yanan main,
.page-yanan .ya-hero,
.page-yanan .ya-section,
.page-yanan .ya-final {
  overflow: clip;
}

.page-yanan .ya-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.page-yanan .ya-hero {
  position: relative;
  min-height: 810px;
  display: grid;
  align-items: center;
  isolation: isolate;
  background: var(--ya-ink);
}

.page-yanan .ya-hero-media,
.page-yanan .ya-hero-media img,
.page-yanan .ya-hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.page-yanan .ya-hero-media {
  z-index: -3;
}

.page-yanan .ya-hero-media img {
  object-fit: cover;
  object-position: center;
}

.page-yanan .ya-hero-overlay {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(17, 14, 12, 0.95) 0%, rgba(17, 14, 12, 0.84) 43%, rgba(17, 14, 12, 0.2) 78%),
    linear-gradient(180deg, rgba(17, 14, 12, 0.25), rgba(17, 14, 12, 0.84));
}

.page-yanan .ya-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, transparent 0 47px, rgba(208, 155, 70, 0.07) 47px 48px);
  mask-image: linear-gradient(90deg, black, transparent 72%);
}

.page-yanan .ya-hero-inner {
  position: relative;
  padding: 122px 0 86px;
}

.page-yanan .ya-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 66px;
  color: rgba(247, 240, 222, 0.6);
  font-size: 14px;
}

.page-yanan .ya-breadcrumb a {
  color: #c8d69e;
  text-decoration: none;
}

.page-yanan .ya-breadcrumb strong {
  font-weight: 500;
}

.page-yanan .ya-hero-copy {
  max-width: 750px;
}

.page-yanan .ya-eyebrow,
.page-yanan .ya-chapter,
.page-yanan .ya-heading span,
.page-yanan .ya-records-heading > p,
.page-yanan .ya-faq-grid header > p {
  margin: 0;
  color: #c6d598;
  font: 700 12px/1.45 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-yanan .ya-hero h1 {
  margin: 18px 0 24px;
  font-size: clamp(51px, 4.55vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.page-yanan .ya-lead {
  max-width: 690px;
  margin: 0;
  color: rgba(247, 240, 222, 0.74);
  font-size: 18px;
  line-height: 1.9;
}

.page-yanan .ya-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.page-yanan .ya-button {
  min-height: 49px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 1px solid rgba(247, 240, 222, 0.36);
  color: var(--ya-cream);
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease;
}

.page-yanan .ya-button:hover,
.page-yanan .ya-button:focus-visible {
  transform: translateY(-2px);
}

.page-yanan .ya-button-solid {
  border-color: var(--ya-paper);
  background: var(--ya-paper);
  color: var(--ya-ink);
}

.page-yanan .ya-button-line {
  background: rgba(21, 18, 15, 0.45);
}

.page-yanan .ya-hero-index {
  position: absolute;
  right: 0;
  bottom: 78px;
  width: 360px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid rgba(247, 240, 222, 0.25);
  border-left: 1px solid rgba(247, 240, 222, 0.25);
  background: rgba(21, 18, 15, 0.72);
  backdrop-filter: blur(10px);
}

.page-yanan .ya-hero-index div {
  min-height: 105px;
  padding: 18px;
  border-right: 1px solid rgba(247, 240, 222, 0.25);
  border-bottom: 1px solid rgba(247, 240, 222, 0.25);
}

.page-yanan .ya-hero-index span,
.page-yanan .ya-hero-index strong,
.page-yanan .ya-hero-index small {
  display: block;
}

.page-yanan .ya-hero-index span {
  color: var(--ya-gold);
  font: 700 10px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.08em;
}

.page-yanan .ya-hero-index strong {
  margin-top: 10px;
  font-size: 18px;
}

.page-yanan .ya-hero-index small {
  margin-top: 4px;
  color: rgba(247, 240, 222, 0.55);
}

.page-yanan .ya-banner {
  margin: 0;
  padding: 34px 20px;
  background: #211d19;
  text-align: center;
}

.page-yanan .ya-banner picture {
  display: block;
}

.page-yanan .ya-banner img {
  display: block;
  width: min(1200px, 100%);
  height: auto;
  aspect-ratio: 3 / 1;
  margin: 0 auto;
  object-fit: contain;
}

.page-yanan .ya-section {
  padding: 112px 0;
}

.page-yanan .ya-story,
.page-yanan .ya-platform,
.page-yanan .ya-faq {
  background: var(--ya-paper);
  color: var(--ya-ink);
}

.page-yanan .ya-operating {
  background: var(--ya-charcoal);
}

.page-yanan .ya-change,
.page-yanan .ya-growth {
  background: #ded2b9;
  color: var(--ya-ink);
}

.page-yanan .ya-records {
  background: #53221f;
}

.page-yanan .ya-story-grid {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}

.page-yanan .ya-sticky-index {
  position: sticky;
  top: 105px;
  padding: 28px;
  border: 1px solid rgba(21, 18, 15, 0.18);
  background: #e4d4b5;
  box-shadow: 10px 12px 0 rgba(108, 41, 36, 0.15);
}

.page-yanan .ya-sticky-index > p {
  margin: 0;
  color: var(--ya-oxblood);
  font: 700 12px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.14em;
}

.page-yanan .ya-sticky-index > strong {
  display: block;
  margin: 15px 0 26px;
  font-size: 24px;
  line-height: 1.4;
}

.page-yanan .ya-sticky-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(21, 18, 15, 0.16);
}

.page-yanan .ya-sticky-index li {
  border-bottom: 1px solid rgba(21, 18, 15, 0.16);
}

.page-yanan .ya-sticky-index a {
  display: block;
  padding: 14px 0;
  color: var(--ya-ink);
  font-weight: 700;
  text-decoration: none;
}

.page-yanan .ya-sticky-index > span {
  display: block;
  margin-top: 22px;
  color: var(--ya-muted);
  font-size: 13px;
  line-height: 1.65;
}

.page-yanan .ya-story-pages {
  display: grid;
  gap: 52px;
}

.page-yanan .ya-story-page {
  position: relative;
  padding: 54px;
  border: 1px solid rgba(21, 18, 15, 0.17);
  background: rgba(255, 251, 240, 0.58);
  box-shadow: 0 18px 40px rgba(73, 52, 30, 0.08);
}

.page-yanan .ya-story-page::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 32px;
  width: 1px;
  background: rgba(108, 41, 36, 0.16);
}

.page-yanan .ya-page-tab {
  position: absolute;
  top: 30px;
  right: -1px;
  min-width: 104px;
  padding: 10px 16px;
  background: var(--ya-olive);
  color: white;
  font-size: 13px;
  font-weight: 700;
}

.page-yanan .ya-chapter {
  color: var(--ya-oxblood);
}

.page-yanan .ya-story-page h2,
.page-yanan .ya-heading h2,
.page-yanan .ya-records-heading h2,
.page-yanan .ya-growth h2,
.page-yanan .ya-faq h2,
.page-yanan .ya-final h2 {
  margin: 16px 0 0;
  font-size: clamp(42px, 4vw, 47px);
  line-height: 1.17;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.page-yanan .ya-story-page > p:not(.ya-chapter),
.page-yanan .ya-story-media > div > p:not(.ya-chapter),
.page-yanan .ya-heading > p,
.page-yanan .ya-growth-copy > p:not(.ya-eyebrow) {
  margin: 22px 0 0;
  color: #635b50;
  font-size: 17px;
  line-height: 1.95;
}

.page-yanan .ya-question-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 30px;
}

.page-yanan .ya-question-cards span {
  position: relative;
  padding: 18px 18px 18px 34px;
  border: 1px solid rgba(21, 18, 15, 0.14);
  background: #e6d8bc;
  font-weight: 700;
}

.page-yanan .ya-question-cards span::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 15px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ya-oxblood);
  transform: translateY(-50%);
}

.page-yanan figure {
  margin: 0;
}

.page-yanan figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-yanan figcaption {
  margin-top: 11px;
  color: #756c5f;
  font-size: 13px;
  line-height: 1.7;
}

.page-yanan .ya-story-media {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  gap: 38px;
  align-items: center;
}

.page-yanan .ya-story-media figure {
  padding: 12px;
  border: 1px solid rgba(21, 18, 15, 0.17);
  background: #d7c6a6;
}

.page-yanan .ya-story-media h2 {
  font-size: clamp(34px, 3.4vw, 40px);
}

.page-yanan .ya-story-media a,
.page-yanan .ya-spine-page a,
.page-yanan .ya-workspace-cards > a,
.page-yanan .ya-final a {
  display: inline-flex;
  margin-top: 22px;
  color: var(--ya-oxblood);
  font-weight: 700;
  text-decoration: none;
}

.page-yanan .ya-note {
  display: grid;
  grid-template-columns: 145px minmax(0, 1fr);
  gap: 20px;
  margin-top: 30px;
  padding: 24px;
  border-left: 4px solid var(--ya-oxblood);
  background: #e1d2b5;
}

.page-yanan .ya-note b {
  color: var(--ya-oxblood);
}

.page-yanan .ya-note span {
  color: #5f574d;
  line-height: 1.75;
}

.page-yanan .ya-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(330px, 0.9fr);
  gap: 70px;
  align-items: end;
  margin-bottom: 58px;
}

.page-yanan .ya-heading h2 {
  max-width: 750px;
}

.page-yanan .ya-operating .ya-heading > p,
.page-yanan .ya-records .ya-heading > p {
  color: rgba(247, 240, 222, 0.66);
}

.page-yanan .ya-ledger-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 32px;
  align-items: stretch;
}

.page-yanan .ya-industry-index {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid rgba(247, 240, 222, 0.2);
  border-left: 1px solid rgba(247, 240, 222, 0.2);
}

.page-yanan .ya-industry-index article {
  min-height: 240px;
  padding: 28px;
  border-right: 1px solid rgba(247, 240, 222, 0.2);
  border-bottom: 1px solid rgba(247, 240, 222, 0.2);
}

.page-yanan .ya-industry-index span {
  color: #c5d495;
  font: 700 11px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.09em;
}

.page-yanan .ya-industry-index h3 {
  margin: 26px 0 12px;
  font-size: 21px;
  line-height: 1.4;
}

.page-yanan .ya-industry-index p {
  margin: 0;
  color: rgba(247, 240, 222, 0.62);
  line-height: 1.75;
}

.page-yanan .ya-ledger-layout figure {
  padding: 14px;
  border: 1px solid rgba(247, 240, 222, 0.22);
}

.page-yanan .ya-ledger-layout figcaption {
  color: rgba(247, 240, 222, 0.55);
}

.page-yanan .ya-monthly-pages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 30px;
}

.page-yanan .ya-monthly-pages article {
  position: relative;
  min-height: 168px;
  padding: 26px;
  background: var(--ya-paper);
  color: var(--ya-ink);
}

.page-yanan .ya-monthly-pages article::after {
  content: "";
  position: absolute;
  top: 22px;
  right: -7px;
  width: 14px;
  height: 38px;
  background: var(--ya-clay);
}

.page-yanan .ya-monthly-pages b {
  color: var(--ya-oxblood);
  font-size: 19px;
}

.page-yanan .ya-monthly-pages p {
  color: #625a4e;
  line-height: 1.7;
}

.page-yanan .ya-spine-switcher {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 470px;
  background: #eadfc7;
  box-shadow: 0 28px 70px rgba(67, 43, 22, 0.12);
}

.page-yanan .ya-spines {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: end;
  padding: 34px 26px;
  background: var(--ya-charcoal);
}

.page-yanan .ya-spines button {
  min-height: 360px;
  padding: 22px 11px;
  border: 0;
  border-left: 1px solid rgba(247, 240, 222, 0.18);
  background: #463026;
  color: rgba(247, 240, 222, 0.72);
  font: inherit;
  font-weight: 700;
  writing-mode: vertical-rl;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: min-height 180ms ease, background 180ms ease, color 180ms ease;
}

.page-yanan .ya-spines button:nth-child(2) { background: #5c2c27; }
.page-yanan .ya-spines button:nth-child(3) { background: #5b5d42; }
.page-yanan .ya-spines button:nth-child(4) { background: #7a4432; }

.page-yanan .ya-spines button[aria-selected="true"] {
  min-height: 390px;
  background: var(--ya-paper);
  color: var(--ya-oxblood);
}

.page-yanan .ya-spine-page {
  position: relative;
  padding: 62px 70px;
  background-image: repeating-linear-gradient(0deg, transparent 0 40px, rgba(108, 41, 36, 0.08) 40px 41px);
}

.page-yanan .ya-spine-page::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 34px;
  width: 1px;
  background: rgba(108, 41, 36, 0.22);
}

.page-yanan .ya-spine-page > span {
  color: var(--ya-oxblood);
  font: 700 12px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.13em;
}

.page-yanan .ya-spine-page h3 {
  max-width: 710px;
  margin: 18px 0;
  font-size: 34px;
  line-height: 1.3;
}

.page-yanan .ya-spine-page p {
  max-width: 760px;
  color: #5e564b;
  line-height: 1.9;
}

.page-yanan .ya-spine-page ol {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid rgba(21, 18, 15, 0.16);
}

.page-yanan .ya-spine-page li {
  position: relative;
  padding: 22px 9px 10px;
  color: #625a4f;
  font-size: 13px;
  text-align: center;
}

.page-yanan .ya-spine-page li::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ya-oxblood);
  transform: translateX(-50%);
}

.page-yanan .ya-platform-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(350px, 0.8fr);
  gap: 34px;
  align-items: center;
}

.page-yanan .ya-platform-layout > figure {
  padding: 14px;
  border: 1px solid rgba(21, 18, 15, 0.16);
  background: #dccaa7;
}

.page-yanan .ya-workspace-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.page-yanan .ya-workspace-cards article {
  min-height: 170px;
  padding: 24px;
  border: 1px solid rgba(21, 18, 15, 0.16);
  background: rgba(255, 251, 240, 0.58);
}

.page-yanan .ya-workspace-cards article span {
  color: var(--ya-oxblood);
  font: 700 11px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.1em;
}

.page-yanan .ya-workspace-cards h3 {
  margin: 22px 0 8px;
  font-size: 22px;
}

.page-yanan .ya-workspace-cards p {
  margin: 0;
  color: #6b6255;
  line-height: 1.65;
}

.page-yanan .ya-workspace-cards > div {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px;
}

.page-yanan .ya-workspace-cards > div b {
  flex: 1;
  padding: 18px;
  background: var(--ya-charcoal);
  color: #cbd89e;
  text-align: center;
}

.page-yanan .ya-workspace-cards > a {
  grid-column: 1 / -1;
}

.page-yanan .ya-records-grid {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 70px;
  align-items: start;
}

.page-yanan .ya-records-heading {
  position: sticky;
  top: 105px;
}

.page-yanan .ya-records-heading h2 {
  margin-top: 20px;
}

.page-yanan .ya-records-heading > span {
  display: block;
  margin-top: 20px;
  color: rgba(247, 240, 222, 0.64);
  line-height: 1.8;
}

.page-yanan .ya-book-list {
  display: grid;
  gap: 12px;
  padding: 30px;
  background: #2a211b;
}

.page-yanan .ya-book-list a {
  position: relative;
  min-height: 96px;
  display: grid;
  grid-template-columns: 85px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  padding: 20px 26px 20px 38px;
  border-left: 14px solid #8a4a35;
  background: #eadbbd;
  color: var(--ya-ink);
  text-decoration: none;
  box-shadow: 0 9px 0 rgba(0, 0, 0, 0.2);
  transition: transform 180ms ease;
}

.page-yanan .ya-book-list a:nth-child(2) { border-left-color: #66704c; }
.page-yanan .ya-book-list a:nth-child(3) { border-left-color: #6b2924; }
.page-yanan .ya-book-list a:nth-child(4) { border-left-color: #bc8139; }
.page-yanan .ya-book-list a:nth-child(5) { border-left-color: #58644c; }

.page-yanan .ya-book-list a:hover,
.page-yanan .ya-book-list a:focus-visible {
  transform: translateX(-8px);
}

.page-yanan .ya-book-list i {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 9px;
  width: 1px;
  background: rgba(21, 18, 15, 0.2);
}

.page-yanan .ya-book-list span {
  color: var(--ya-oxblood);
  font: 700 12px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.08em;
}

.page-yanan .ya-book-list strong {
  font-size: 17px;
  line-height: 1.55;
}

.page-yanan .ya-growth-layout {
  display: grid;
  grid-template-columns: minmax(350px, 0.85fr) minmax(0, 1.15fr);
  gap: 62px;
  align-items: center;
}

.page-yanan .ya-growth h2 {
  margin-top: 18px;
}

.page-yanan .ya-growth-copy > div {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.page-yanan .ya-growth-copy a {
  padding: 22px;
  border: 1px solid rgba(21, 18, 15, 0.17);
  color: var(--ya-ink);
  text-decoration: none;
}

.page-yanan .ya-growth-copy a span,
.page-yanan .ya-growth-copy a strong {
  display: block;
}

.page-yanan .ya-growth-copy a span {
  color: var(--ya-oxblood);
  font: 700 11px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.09em;
}

.page-yanan .ya-growth-copy a strong {
  margin-top: 16px;
}

.page-yanan .ya-growth-layout > figure {
  padding: 14px;
  border: 1px solid rgba(21, 18, 15, 0.17);
  background: #d0c09f;
}

.page-yanan .ya-faq-grid {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 70px;
  align-items: start;
}

.page-yanan .ya-faq-grid header > p {
  color: var(--ya-oxblood);
}

.page-yanan .ya-faq-grid header > span {
  display: block;
  margin-top: 20px;
  color: #6a6155;
  line-height: 1.8;
}

.page-yanan .ya-faq-list details {
  border-top: 1px solid rgba(21, 18, 15, 0.17);
}

.page-yanan .ya-faq-list details:last-child {
  border-bottom: 1px solid rgba(21, 18, 15, 0.17);
}

.page-yanan .ya-faq-list summary {
  position: relative;
  list-style: none;
  padding: 29px 58px 29px 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.55;
  cursor: pointer;
}

.page-yanan .ya-faq-list summary::-webkit-details-marker {
  display: none;
}

.page-yanan .ya-faq-list summary::after {
  content: "+";
  position: absolute;
  top: 23px;
  right: 1px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(21, 18, 15, 0.18);
  color: var(--ya-oxblood);
}

.page-yanan .ya-faq-list details[open] summary::after {
  content: "−";
  background: var(--ya-oxblood);
  color: var(--ya-cream);
}

.page-yanan .ya-faq-list details p {
  margin: -3px 0 0;
  padding: 0 58px 30px 0;
  color: #62594d;
  line-height: 1.9;
}

.page-yanan .ya-final {
  padding: 98px 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 50px, rgba(208, 155, 70, 0.06) 50px 51px),
    #17130f;
}

.page-yanan .ya-final-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
  gap: 76px;
  align-items: end;
}

.page-yanan .ya-final > .ya-shell > div > p {
  color: var(--ya-gold);
  font: 700 12px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.14em;
}

.page-yanan .ya-final h2 {
  max-width: 760px;
  font-size: clamp(48px, 4.7vw, 58px);
}

.page-yanan .ya-final aside p {
  color: rgba(247, 240, 222, 0.62);
  line-height: 1.9;
}

.page-yanan .ya-final a {
  color: #cbd99c;
}

.page-yanan .reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 620ms ease, transform 620ms ease;
}

.page-yanan .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .page-yanan .ya-hero-index {
    position: static;
    width: min(520px, 100%);
    margin-top: 48px;
  }

  .page-yanan .ya-story-grid,
  .page-yanan .ya-records-grid,
  .page-yanan .ya-faq-grid {
    grid-template-columns: 1fr;
  }

  .page-yanan .ya-sticky-index,
  .page-yanan .ya-records-heading {
    position: static;
  }

  .page-yanan .ya-ledger-layout,
  .page-yanan .ya-platform-layout,
  .page-yanan .ya-growth-layout {
    grid-template-columns: 1fr;
  }

  .page-yanan .ya-monthly-pages {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 700px) {
  .page-yanan .ya-shell {
    width: min(100% - 32px, 1180px);
  }

  .page-yanan .ya-hero {
    min-height: 980px;
    align-items: start;
  }

  .page-yanan .ya-hero-overlay {
    background: linear-gradient(180deg, rgba(17, 14, 12, 0.9) 0%, rgba(17, 14, 12, 0.62) 48%, rgba(17, 14, 12, 0.96) 100%);
  }

  .page-yanan .ya-hero-inner {
    padding: 84px 0 48px;
  }

  .page-yanan .ya-breadcrumb {
    margin-bottom: 36px;
  }

  .page-yanan .ya-hero h1 {
    font-size: clamp(36px, 10vw, 39px);
    line-height: 1.15;
    letter-spacing: -0.035em;
  }

  .page-yanan .ya-lead {
    font-size: 16px;
    line-height: 1.8;
  }

  .page-yanan .ya-hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .page-yanan .ya-button {
    width: 100%;
  }

  .page-yanan .ya-hero-index {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 34px;
  }

  .page-yanan .ya-hero-index div {
    min-height: 89px;
    padding: 14px;
  }

  .page-yanan .ya-banner {
    padding: 20px 12px;
  }

  .page-yanan .ya-banner img {
    aspect-ratio: 750 / 920;
    object-fit: contain;
  }

  .page-yanan .ya-section {
    padding: 78px 0;
  }

  .page-yanan .ya-story-grid,
  .page-yanan .ya-records-grid,
  .page-yanan .ya-faq-grid {
    gap: 36px;
  }

  .page-yanan .ya-sticky-index {
    padding: 24px;
  }

  .page-yanan .ya-story-pages {
    gap: 28px;
  }

  .page-yanan .ya-story-page {
    padding: 46px 24px 28px;
  }

  .page-yanan .ya-story-page::before {
    left: 14px;
  }

  .page-yanan .ya-page-tab {
    top: 18px;
  }

  .page-yanan .ya-story-page h2,
  .page-yanan .ya-heading h2,
  .page-yanan .ya-records-heading h2,
  .page-yanan .ya-growth h2,
  .page-yanan .ya-faq h2,
  .page-yanan .ya-final h2 {
    font-size: clamp(29px, 8.2vw, 33px);
    line-height: 1.22;
  }

  .page-yanan .ya-story-page > p:not(.ya-chapter),
  .page-yanan .ya-story-media > div > p:not(.ya-chapter),
  .page-yanan .ya-heading > p,
  .page-yanan .ya-growth-copy > p:not(.ya-eyebrow) {
    font-size: 15px;
  }

  .page-yanan .ya-question-cards,
  .page-yanan .ya-story-media,
  .page-yanan .ya-heading,
  .page-yanan .ya-industry-index,
  .page-yanan .ya-monthly-pages,
  .page-yanan .ya-workspace-cards,
  .page-yanan .ya-growth-copy > div,
  .page-yanan .ya-final-grid {
    grid-template-columns: 1fr;
  }

  .page-yanan .ya-story-media {
    gap: 28px;
  }

  .page-yanan .ya-note {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .page-yanan .ya-heading {
    gap: 18px;
    margin-bottom: 38px;
  }

  .page-yanan .ya-industry-index article {
    min-height: 0;
  }

  .page-yanan .ya-monthly-pages article {
    min-height: 0;
  }

  .page-yanan .ya-spine-switcher {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .page-yanan .ya-spines {
    grid-template-columns: repeat(4, 1fr);
    align-items: end;
    padding: 20px 16px;
  }

  .page-yanan .ya-spines button,
  .page-yanan .ya-spines button[aria-selected="true"] {
    min-height: 104px;
    padding: 12px 6px;
    writing-mode: horizontal-tb;
    font-size: 13px;
    letter-spacing: 0;
  }

  .page-yanan .ya-spines button[aria-selected="true"] {
    min-height: 120px;
  }

  .page-yanan .ya-spine-page {
    padding: 38px 24px;
  }

  .page-yanan .ya-spine-page::before {
    left: 12px;
  }

  .page-yanan .ya-spine-page h3 {
    font-size: 26px;
  }

  .page-yanan .ya-spine-page ol {
    grid-template-columns: 1fr;
    border-top: 0;
    border-left: 1px solid rgba(21, 18, 15, 0.16);
  }

  .page-yanan .ya-spine-page li {
    padding: 12px 10px 12px 25px;
    text-align: left;
  }

  .page-yanan .ya-spine-page li::before {
    top: 50%;
    left: -5px;
    transform: translateY(-50%);
  }

  .page-yanan .ya-workspace-cards article {
    min-height: 0;
  }

  .page-yanan .ya-book-list {
    padding: 18px;
  }

  .page-yanan .ya-book-list a {
    grid-template-columns: 1fr;
    gap: 7px;
    padding: 20px 18px 20px 30px;
  }

  .page-yanan .ya-book-list strong {
    font-size: 15px;
  }

  .page-yanan .ya-faq-list summary {
    padding-right: 50px;
    font-size: 17px;
  }

  .page-yanan .ya-faq-list details p {
    padding-right: 0;
  }

  .page-yanan .ya-final {
    padding: 76px 0;
  }

  .page-yanan .ya-final-grid {
    gap: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-yanan *,
  .page-yanan *::before,
  .page-yanan *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .page-yanan .reveal {
    opacity: 1;
    transform: none;
  }
}