/* Local homepage UI v2: a compact entry hub, with learning details kept inside 学习中心. */
.page {
  width: min(1280px, calc(100% - 28px));
  padding: 14px 22px 20px;
  border: 1px solid rgba(82, 93, 77, .16);
  border-radius: 22px;
  background: rgba(248, 244, 234, .96);
  box-shadow: 0 18px 52px rgba(24, 35, 26, .22);
}

.page .on-image {
  color: var(--ink);
  text-shadow: none;
}

.topbar {
  min-height: 56px;
  border-color: rgba(62, 74, 66, .16);
  background: rgba(255, 255, 255, .76);
  box-shadow: none;
}

.brand span,
.header-actions,
.rank-link {
  color: var(--muted);
}

.brand span {
  border-color: rgba(62, 74, 66, .18);
}

.primary-nav {
  background: rgba(238, 241, 232, .78);
}

.learning-path {
  margin-top: 20px;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 12px;
  padding: 0 4px;
}

.section-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: 27px;
}

.section-heading .eyebrow {
  margin-bottom: 5px;
  color: var(--green);
}

.section-heading p {
  color: var(--muted);
  font-size: 13px;
}

.module-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: none;
  gap: 14px;
}

.module-card {
  border: 1px solid rgba(62, 74, 66, .15);
  border-radius: 16px;
  background: rgba(255, 255, 255, .78);
  box-shadow: 0 8px 20px rgba(44, 53, 42, .08);
}

.module-card:hover,
.module-card:focus-visible {
  background: #fff;
  box-shadow: 0 14px 28px rgba(44, 53, 42, .14);
}

.module-image {
  height: 104px;
  padding: 10px;
}

.module-image-classic {
  background-image:
    linear-gradient(180deg, rgba(19, 25, 18, .04), rgba(19, 25, 18, .56)),
    url("../assets/home/feature-shanghan.webp");
  background-position: center 56%;
}

.module-copy {
  min-height: 128px;
  padding: 12px 14px 13px;
}

.module-copy h3 {
  margin-bottom: 5px;
  color: var(--ink);
  font-size: 19px;
}

.module-copy p {
  min-height: 38px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.module-copy strong {
  color: var(--green);
  font-size: 12px;
}

.secondary-grid {
  margin-top: 14px;
}

.site-footer {
  color: var(--muted);
}

@media (max-width: 780px) {
  .page {
    width: calc(100% - 16px);
    padding: 9px 10px 15px;
    border-radius: 18px;
  }

  .learning-path {
    margin-top: 15px;
  }

  .section-heading {
    align-items: flex-start;
    gap: 4px;
    margin-bottom: 9px;
  }

  .section-heading h2 {
    font-size: 21px;
  }

  .section-heading p {
    display: none;
  }

  .primary-nav {
    scrollbar-width: none;
  }

  .primary-nav::-webkit-scrollbar {
    display: none;
  }

  .module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .module-card {
    display: block;
    border-radius: 13px;
  }

  .module-image {
    height: 70px;
    min-height: 70px;
    padding: 8px;
  }

  .module-image span {
    padding: 3px 5px;
    font-size: 8px;
  }

  .module-copy {
    min-height: 104px;
    padding: 9px 10px 10px;
  }

  .module-copy h3 {
    margin-bottom: 3px;
    font-size: 16px;
  }

  .module-copy p {
    min-height: 34px;
    margin-bottom: 5px;
    font-size: 12px;
    line-height: 1.4;
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .module-copy strong {
    font-size: 12px;
  }

  .module-number {
    top: 8px;
    right: 9px;
    font-size: 12px;
  }

  .secondary-grid {
    display: none;
  }

  .site-footer {
    margin-top: 14px;
  }
}

/* Dedicated visual for the pure traditional-text reader; existing module
 * images and the established glass card system remain unchanged. */
.module-image-shanghan-original {
  background-image:
    linear-gradient(180deg, rgba(19, 25, 18, .05), rgba(19, 25, 18, .58)),
    url("../assets/home/feature-shanghan-original.jpg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

@media (min-width: 781px) {
  .module-card-shanghan-original:last-child {
    grid-column: 2;
  }
}

@media (max-width: 360px) {
  .module-grid {
    grid-template-columns: 1fr;
  }
}

/* Final glass restoration: the original wallpaper remains visible behind the
 * compact entry hub; this layer only overrides the earlier opaque local pass. */
.page {
  width: min(1500px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px 24px 22px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.page .on-image {
  color: var(--on-image);
  text-shadow: var(--text-shadow);
}

.topbar {
  min-height: 60px;
  border-color: var(--border-image);
  background: var(--display);
  box-shadow: var(--panel-shadow);
}

.brand span,
.header-actions,
.rank-link {
  color: var(--on-image-muted);
}

.brand span {
  border-color: rgba(255, 255, 255, .38);
}

.primary-nav {
  border-color: rgba(255, 255, 255, .28);
  background: rgba(255, 255, 255, .2);
}

.learning-path {
  margin-top: 18px;
}

.section-heading {
  min-height: 58px;
  margin-bottom: 11px;
}

.section-heading h2 {
  color: var(--on-image);
  font: 600 25px/1.2 var(--font-serif);
  letter-spacing: .06em;
  text-shadow: var(--text-shadow);
}

.section-heading .eyebrow {
  color: var(--green-soft);
}

.section-heading p {
  color: var(--on-image-muted);
}

.module-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: none;
  gap: 12px;
}

.module-card {
  border-color: rgba(255, 255, 255, .38);
  background: var(--control);
  box-shadow: 0 12px 30px rgba(9, 17, 12, .18);
}

.module-card:hover,
.module-card:focus-visible {
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 18px 38px rgba(9, 17, 12, .24);
}

.module-image {
  height: 100px;
}

.module-copy {
  min-height: 132px;
  padding: 12px 14px 13px;
}

.module-copy h3 {
  margin-bottom: 5px;
  font-size: 19px;
}

.module-copy p {
  min-height: 38px;
  margin-bottom: 8px;
  line-height: 1.55;
}

.site-footer {
  color: var(--on-image-muted);
}

@media (max-width: 1120px) and (min-width: 781px) {
  .page {
    padding-inline: 18px;
  }

  .module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .page {
    width: 100%;
    padding: 10px 10px 18px;
  }

  .learning-path {
    margin-top: 14px;
  }

  .section-heading {
    min-height: 0;
    align-items: flex-start;
    gap: 4px;
    margin-bottom: 8px;
    padding-inline: 4px;
  }

  .section-heading h2 {
    font-size: 21px;
  }

  .section-heading p {
    display: none;
  }

  .module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .module-card {
    display: block;
    border-radius: 13px;
  }

  .module-image {
    height: 70px;
    min-height: 70px;
    padding: 8px;
  }

  .module-image span {
    padding: 3px 5px;
    font-size: 8px;
  }

  .module-copy {
    min-height: 104px;
    padding: 9px 10px 10px;
  }

  .module-copy h3 {
    margin-bottom: 3px;
    font-size: 16px;
  }

  .module-copy p {
    min-height: 34px;
    margin-bottom: 5px;
    font-size: 12px;
    line-height: 1.4;
  }

  .module-copy strong {
    font-size: 12px;
  }

  .module-number {
    top: 8px;
    right: 9px;
    font-size: 12px;
  }

  .secondary-grid {
    display: none;
  }

  .site-footer {
    margin-top: 14px;
  }
}