/* A33: all homepage additions remain inside the page wrapper. */
.home-page {
  --home-pale-blue: #eef4f9;
  --home-book-type: "Songti SC", "SimSun", "Noto Serif CJK SC", serif;
  min-width: 0;
}

.home-page .home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .85fr);
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  padding-block: 16px 40px;
}

.home-page .home-hero-copy,
.home-page .home-book-figure,
.home-page .home-value,
.home-page .home-support-copy,
.home-page .home-service-paths,
.home-page .home-start-steps li {
  min-width: 0;
}

.home-page .home-title {
  margin: 0 0 23px;
  font-family: var(--home-book-type);
  font-size: clamp(32px, 4.6vw, 56px);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -.025em;
  overflow-wrap: normal;
}

.home-page .home-title-line {
  display: block;
}

.home-page .home-lead {
  max-width: 31em;
  margin-bottom: 27px;
  color: var(--secondary);
  font-size: 17px;
  line-height: 1.85;
}

.home-page .home-search {
  width: 100%;
  margin-block: 0 18px;
}

.home-page .home-search .search-field {
  height: 56px;
  border-color: #91a4b5;
}

.home-page .home-search .primary-button {
  flex: none;
  min-height: 56px;
}

.home-page .home-hero-links {
  font-size: 14px;
  gap: 10px 22px;
}

.home-page .home-status {
  margin: 20px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--line);
  color: var(--secondary);
  font-size: 13px;
  line-height: 1.75;
}

.home-page .home-book-figure {
  margin: 0;
  justify-self: center;
  width: min(100%, 390px);
}

.home-page .knowledge-book {
  position: relative;
  isolation: isolate;
  width: 100%;
  aspect-ratio: 390 / 410;
}

.home-page .knowledge-book::before {
  content: "";
  position: absolute;
  inset: 8% 5% 6% 16%;
  z-index: -1;
  border: 1px solid #c7d0d8;
  background: var(--paper);
  box-shadow: 2px 2px 0 var(--paper), 3px 3px 0 #d4dce3;
}

.home-page .book-spine {
  position: absolute;
  inset: 6% 85% 8% 5%;
  border: 1px solid var(--accent);
  border-radius: 3px 0 0 3px;
  background: var(--accent);
  color: var(--paper);
  padding-top: 20px;
  writing-mode: vertical-rl;
  text-orientation: upright;
  text-align: left;
  font-size: 13px;
  letter-spacing: .2em;
  line-height: 1.8;
}

.home-page .book-spine::after {
  content: "";
  position: absolute;
  inset: 7% 20% 7% auto;
  width: 1px;
  background: #6b91b3;
}

.home-page .book-page {
  position: absolute;
  inset: 6% 7% 8% 15%;
  padding: 8% 9%;
  border: 1px solid #bbc7d1;
  border-left: 0;
  background: var(--paper);
  box-shadow: 6px 9px 18px rgba(36, 41, 47, .07);
}

.home-page .book-page-brand {
  display: block;
  margin: 0 0 18%;
  color: var(--secondary);
  font-size: 13px;
  letter-spacing: .08em;
}

.home-page .book-page-title {
  max-width: 5em;
  margin: 0;
  color: var(--text);
  font-family: var(--home-book-type);
  font-size: clamp(26px, 3.2vw, 39px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: .02em;
  overflow-wrap: normal;
}

.home-page .book-page-rule {
  display: block;
  width: 32px;
  height: 2px;
  margin-block: 18px 15px;
  border: 0;
  background: var(--accent);
}

.home-page .book-page-subtitle {
  max-width: 10em;
  margin: 0;
  color: var(--secondary);
  font-size: 12px;
  line-height: 1.8;
}

.home-page .book-tabs {
  position: absolute;
  z-index: 2;
  inset: 58% -8.8% auto auto;
  display: grid;
  gap: 10px;
  width: 94px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.home-page .book-tabs li {
  padding: 7px 8px 7px 12px;
  border: 1px solid #bed0e0;
  border-left: 3px solid var(--accent);
  background: var(--home-pale-blue);
  color: var(--accent);
  font-size: 12px;
  line-height: 1.4;
}

.home-page .book-figure-caption {
  max-width: 25em;
  margin: 7px auto 0;
  color: var(--secondary);
  font-size: 12px;
  line-height: 1.6;
  text-align: center;
}

.home-page .home-shortcuts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 0 40px;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: visible;
}

.home-page .home-shortcut {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  min-width: 0;
  min-height: 88px;
  padding: 15px 22px;
  border-left: 1px solid var(--line);
  background: var(--paper);
  text-decoration: none;
}

.home-page .home-shortcut:first-child {
  border-left: 0;
  border-radius: 3px 0 0 3px;
}

.home-page .home-shortcut:last-child {
  border-radius: 0 3px 3px 0;
}

.home-page .home-shortcut-name {
  color: var(--accent);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.home-page .home-shortcut-description {
  color: var(--secondary);
  font-size: 13px;
  line-height: 1.6;
}

.home-page .home-shortcut:hover,
.home-page .home-shortcut:focus-visible {
  background: var(--home-pale-blue);
}

.home-page .home-shortcut:hover .home-shortcut-name {
  text-decoration: underline;
}

.home-page .home-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding-block: 29px 32px;
  border-block: 1px solid var(--line);
}

.home-page .home-value {
  padding-inline: 28px;
  border-left: 1px solid var(--line);
}

.home-page .home-value:first-child {
  padding-left: 0;
  border-left: 0;
}

.home-page .home-value:last-child {
  padding-right: 0;
}

.home-page .home-value-mark {
  display: inline-block;
  margin-bottom: 7px;
  color: var(--accent);
  font-size: 13px;
}

.home-page .home-value h2 {
  margin-bottom: 10px;
  font-size: 19px;
}

.home-page .home-value p {
  margin: 0;
  color: var(--secondary);
  font-size: 14px;
  line-height: 1.85;
}

.home-page .home-topic-section,
.home-page .home-library {
  margin-top: 43px;
}

.home-page .home-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-bottom: 18px;
}

.home-page .home-section-header h2 {
  margin: 0;
  font-size: 22px;
}

.home-page .home-section-header p {
  margin: 4px 0 0;
  color: var(--secondary);
  font-size: 14px;
}

.home-page .home-section-header > a {
  font-size: 14px;
}

.home-page .home-topic-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.home-page .home-topic-links li {
  min-width: 0;
  max-width: 100%;
}

.home-page .home-topic-links a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  max-width: 100%;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  color: var(--secondary);
  text-decoration: none;
  font-size: 14px;
}

.home-page .home-topic-links a:hover {
  border-color: #8da8c0;
  color: var(--accent);
}

.home-page .home-book-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 40px;
  border-top: 1px solid var(--line);
}

.home-page .home-book-list .book-row {
  min-width: 0;
  padding-block: 23px;
}

.home-page .home-book-list .book-title-line h3 {
  font-size: 18px;
  line-height: 1.65;
}

.home-page .home-book-list .book-meta {
  gap: 4px 16px;
  font-size: 13px;
}

.home-page .home-book-list .book-description {
  margin: 12px 0 0;
  color: var(--secondary);
  font-size: 14px;
}

.home-page .home-book-list .empty-state {
  grid-column: 1 / -1;
}

.home-page .home-support {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 22px 48px;
  margin-top: 46px;
  padding: 32px;
  background: var(--surface);
}

.home-page .home-support-title {
  margin-bottom: 17px;
  font-size: 24px;
}

.home-page .home-support-copy p {
  color: var(--secondary);
  font-size: 15px;
  line-height: 1.85;
}

.home-page .home-support-copy .text-links {
  margin-top: 20px;
  font-size: 14px;
}

.home-page .home-service-paths {
  margin: 0;
  padding: 0;
  list-style: none;
}

.home-page .home-service-paths li {
  border-top: 1px solid #d4dce3;
}

.home-page .home-service-paths li:first-child {
  border-top: 0;
}

.home-page .home-service-paths a {
  display: block;
  min-height: 44px;
  padding-block: 14px;
  text-decoration: none;
}

.home-page .home-service-paths li:first-child a {
  padding-top: 0;
}

.home-page .home-service-name {
  display: block;
  margin-bottom: 4px;
  color: var(--accent);
  font-size: 16px;
  font-weight: 600;
}

.home-page .home-service-description {
  display: block;
  color: var(--secondary);
  font-size: 13px;
  line-height: 1.75;
}

.home-page .home-service-paths a:hover .home-service-name {
  text-decoration: underline;
}

.home-page .home-support-status,
.home-page .home-support-copy .home-support-status {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 17px;
  border-top: 1px solid #d4dce3;
  color: var(--secondary);
  font-size: 13px;
  line-height: 1.8;
}

.home-page .home-start-steps {
  margin-top: 44px;
}

.home-page .home-start-steps ol {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.home-page .home-start-steps li {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.home-page .home-step-number {
  display: block;
  margin-bottom: 11px;
  color: var(--accent);
  font-size: 13px;
}

.home-page .home-start-steps h3 {
  margin-bottom: 9px;
  font-size: 17px;
}

.home-page .home-start-steps p {
  margin-bottom: 13px;
  color: var(--secondary);
  font-size: 14px;
}

.home-page .home-start-steps li > a {
  font-size: 14px;
}

.home-page .home-bottom-links {
  margin-top: 33px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.home-page a:focus-visible,
.home-page button:focus-visible,
.home-page input:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 960px) {
  .home-page .home-hero {
    gap: 28px;
  }

  .home-page .home-title {
    font-size: clamp(32px, 4.2vw, 42px);
  }

  .home-page .book-page-brand {
    margin-bottom: 12%;
  }

  .home-page .book-page-title {
    font-size: 28px;
  }

  .home-page .home-value {
    padding-inline: 20px;
  }

  .home-page .home-shortcut {
    padding-inline: 17px;
  }

  .home-page .home-support {
    gap: 22px 30px;
    padding: 28px;
  }
}

@media (max-width: 760px) {
  .home-page .home-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 27px;
    padding-block: 5px 32px;
  }

  .home-page .home-hero-copy {
    max-width: 610px;
  }

  .home-page .home-title {
    font-size: clamp(34px, 6vw, 44px);
    margin-bottom: 19px;
  }

  .home-page .home-lead {
    font-size: 16px;
    margin-bottom: 23px;
  }

  .home-page .home-book-figure {
    width: min(100%, 320px);
  }

  .home-page .book-page-title {
    font-size: 32px;
  }

  .home-page .book-page-brand {
    margin-bottom: 15%;
  }

  .home-page .home-shortcuts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 31px;
  }

  .home-page .home-shortcut {
    min-height: 85px;
    padding: 15px 19px;
    border-radius: 0;
  }

  .home-page .home-shortcut:nth-child(odd) {
    border-left: 0;
  }

  .home-page .home-shortcut:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .home-page .home-shortcut:first-child,
  .home-page .home-shortcut:last-child {
    border-radius: 0;
  }

  .home-page .home-values {
    grid-template-columns: minmax(0, 1fr);
    padding-block: 0;
  }

  .home-page .home-value,
  .home-page .home-value:first-child,
  .home-page .home-value:last-child {
    padding: 22px 0;
    border-left: 0;
  }

  .home-page .home-value + .home-value {
    border-top: 1px solid var(--line);
  }

  .home-page .home-value p {
    max-width: 43em;
  }

  .home-page .home-topic-section,
  .home-page .home-library {
    margin-top: 32px;
  }

  .home-page .home-section-header h2 {
    font-size: 20px;
  }

  .home-page .home-book-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .home-page .home-book-list .book-row {
    padding-block: 20px;
  }

  .home-page .home-support {
    grid-template-columns: minmax(0, 1fr);
    gap: 19px;
    margin-top: 33px;
    padding: 24px;
  }

  .home-page .home-support-title {
    font-size: 22px;
  }

  .home-page .home-service-paths {
    border-top: 1px solid #d4dce3;
  }

  .home-page .home-service-paths li:first-child a {
    padding-top: 15px;
  }

  .home-page .home-support-status {
    grid-column: auto;
  }

  .home-page .home-start-steps {
    margin-top: 33px;
  }

  .home-page .home-start-steps ol {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .home-page .home-step-number {
    margin-bottom: 6px;
  }

  .home-page .home-bottom-links {
    gap: 10px 20px;
    margin-top: 27px;
  }
}

@media (max-width: 420px) {
  .home-page .home-title {
    font-size: clamp(28px, 8.3vw, 34px);
    letter-spacing: -.025em;
  }

  .home-page .home-search {
    gap: 8px;
  }

  .home-page .home-search .search-field {
    padding-inline: 10px;
    font-size: 14px;
  }

  .home-page .home-search .primary-button {
    padding-inline: 15px;
  }

  .home-page .home-book-figure {
    width: min(100%, 290px);
  }

  .home-page .book-page-title {
    font-size: 29px;
  }

  .home-page .book-page-brand {
    margin-bottom: 12%;
  }

  .home-page .book-tabs {
    width: 85px;
    gap: 8px;
  }

  .home-page .book-tabs li {
    padding: 6px 6px 6px 10px;
    font-size: 11px;
  }

  .home-page .home-shortcut {
    padding-inline: 14px;
  }

  .home-page .home-shortcut-name {
    font-size: 15px;
  }

  .home-page .home-shortcut-description {
    font-size: 12px;
  }

  .home-page .home-support {
    padding: 22px 18px;
  }

  .home-page .home-topic-links {
    gap: 8px;
  }

  .home-page .home-topic-links a {
    padding-inline: 12px;
  }
}

@media (max-width: 340px) {
  .home-page .home-shortcuts {
    grid-template-columns: minmax(0, 1fr);
  }

  .home-page .home-shortcut {
    min-height: 74px;
    border-left: 0;
  }

  .home-page .home-shortcut + .home-shortcut {
    border-top: 1px solid var(--line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-page *,
  .home-page *::before,
  .home-page *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}