body.subject-home-page,
body.post-detail-page {
  background: linear-gradient(180deg, #f6f9fc 0%, #eef7f6 48%, #f8fbff 100%);
  color: #0f172a;
}

body.subject-home-page .public-wrap,
body.post-detail-page .public-wrap {
  width: min(1240px, calc(100% - 28px));
  max-width: none;
  margin: 0 auto;
  padding: 18px 0 34px;
  overflow: hidden;
}

body.subject-home-page .public-top-nav,
body.post-detail-page .public-top-nav {
  max-width: none;
  margin: 0 0 14px;
  padding: 12px 14px;
  border: 1px solid rgba(15, 23, 42, .06);
  border-radius: 22px;
  background: rgba(255, 255, 255, .84);
  box-shadow: 0 12px 32px rgba(15, 23, 42, .06);
  backdrop-filter: blur(14px);
}

body.subject-home-page .public-nav-actions .btn,
body.post-detail-page .public-nav-actions .btn {
  border-radius: 15px;
  padding: 10px 14px;
}

body.subject-home-page .subject-hero {
  max-width: none;
  margin: 0 0 16px;
  padding: 30px;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
  gap: 22px;
  border-radius: 30px;
  box-shadow: 0 20px 55px rgba(15, 39, 66, .18);
}

body.subject-home-page .subject-hero h1 {
  font-size: clamp(32px, 4.2vw, 52px);
  letter-spacing: 0;
}

body.subject-home-page .subject-live-card {
  min-height: 190px;
  border-radius: 26px;
  padding: 22px;
}

body.subject-home-page .subject-live-card b {
  font-size: clamp(42px, 6vw, 62px);
  letter-spacing: 0;
}

body.subject-home-page .subject-section,
body.post-detail-page .subject-section {
  max-width: none;
  margin: 16px 0;
  padding: 24px;
  border-radius: 28px;
  background: rgba(255, 255, 255, .92);
  border: 1px solid rgba(15, 23, 42, .07);
  box-shadow: 0 16px 44px rgba(15, 23, 42, .06);
  box-sizing: border-box;
}

body.subject-home-page .subject-section h2,
body.post-detail-page .subject-section h2 {
  font-size: clamp(24px, 2.3vw, 34px);
  letter-spacing: 0;
}

body.subject-home-page .subject-section h3,
body.subject-home-page .subject-section h4,
body.subject-home-page .subject-hero h1,
body.post-detail-page h1,
body.post-detail-page h2,
body.post-detail-page h3 {
  overflow-wrap: anywhere;
}

body.subject-home-page .magazine-pro {
  padding: 24px;
}

body.subject-home-page .magazine-pro-head {
  margin-bottom: 16px;
}

body.subject-home-page .magazine-pro-head h2 {
  font-size: clamp(26px, 3vw, 40px);
  letter-spacing: 0;
}

body.subject-home-page .magazine-layout {
  grid-template-columns: minmax(0, 1.25fr) minmax(270px, .75fr);
  gap: 16px;
}

body.subject-home-page .mag-feature {
  min-height: 340px;
  border-radius: 26px;
  box-shadow: 0 18px 48px rgba(23, 109, 197, .18);
}

body.subject-home-page .mag-feature-body {
  padding: 24px;
  gap: 12px;
}

body.subject-home-page .mag-feature-body h3 {
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.28;
}

body.subject-home-page .mag-feature-body p {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

body.subject-home-page .mag-side {
  gap: 10px;
}

body.subject-home-page .mag-side-item {
  grid-template-columns: 68px minmax(0, 1fr);
  padding: 12px;
  border-radius: 20px;
  gap: 10px;
}

body.subject-home-page .mag-side-thumb {
  width: 68px;
  height: 68px;
  border-radius: 16px;
}

body.subject-home-page .mag-side-item h4 {
  font-size: 15px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

body.subject-home-page .mag-slide-cover {
  height: 118px;
}

body.subject-home-page .mag-slide-body p {
  min-height: 0;
  -webkit-line-clamp: 2;
}

.mag-share-actions,
.post-share-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.mag-share-actions {
  margin-top: 12px;
}

.share-chip,
body.subject-home-page .mag-share-actions a,
body.subject-home-page .mag-share-actions button,
body.subject-home-page .post-share-actions button,
body.subject-home-page .post-share-actions a,
body.post-detail-page .post-share-actions button,
body.post-detail-page .post-share-actions a {
  border: 1px solid rgba(15, 23, 42, .10);
  border-radius: 999px;
  background: rgba(255, 255, 255, .94);
  color: #176dc5;
  padding: 9px 12px;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 10px 22px rgba(15, 23, 42, .08);
}

body.subject-home-page .mag-share-actions .light-share {
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .28);
  color: #fff;
  box-shadow: none;
}

.copy-done {
  color: #0f766e !important;
}

body.subject-home-page .classroom-showcase {
  padding: 24px;
  border-radius: 28px;
}

body.subject-home-page .showcase-header {
  margin-bottom: 14px;
}

body.subject-home-page .showcase-header h2 {
  font-size: clamp(24px, 2.4vw, 34px);
  letter-spacing: 0;
}

body.subject-home-page .classroom-summary-strip {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0;
}

body.subject-home-page .classroom-summary-strip > div {
  padding: 13px 14px;
  border-radius: 18px;
}

body.subject-home-page .classroom-summary-strip b {
  font-size: 24px;
}

body.subject-home-page .classroom-tools {
  grid-template-columns: minmax(260px, 1.4fr) minmax(170px, .75fr) minmax(180px, .85fr);
  gap: 10px;
  margin: 10px 0 16px;
  padding: 10px;
  border-radius: 20px;
}

body.subject-home-page .classroom-luxury-grid {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(300px, calc((100% - 32px) / 3));
  grid-template-columns: none;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 2px 12px;
  scrollbar-width: thin;
}

body.subject-home-page .classroom-luxury-card {
  min-height: 0;
  padding: 18px;
  border-radius: 24px;
  gap: 14px;
  scroll-snap-align: start;
  box-shadow: 0 14px 36px rgba(15, 23, 42, .06);
}

body.subject-home-page .classroom-luxury-card:hover {
  transform: translateY(-3px);
}

body.subject-home-page .classroom-card-top {
  grid-template-columns: 66px 1fr;
  gap: 12px;
}

body.subject-home-page .classroom-visual {
  width: 62px;
  height: 62px;
  border-radius: 18px;
}

body.subject-home-page .classroom-visual span {
  font-size: 30px;
}

body.subject-home-page .classroom-title h3 {
  font-size: 20px;
  margin: 7px 0 3px;
  letter-spacing: 0;
}

body.subject-home-page .classroom-title p {
  font-size: 13px;
}

body.subject-home-page .classroom-metrics {
  gap: 7px;
}

body.subject-home-page .classroom-metrics div {
  padding: 10px 7px;
  border-radius: 15px;
}

body.subject-home-page .classroom-metrics b {
  font-size: 19px;
}

body.subject-home-page .classroom-progress em {
  height: 8px;
}

body.subject-home-page .classroom-actions {
  align-items: stretch;
  flex-direction: column;
  gap: 8px;
}

body.subject-home-page .classroom-actions .btn {
  justify-content: center;
  padding: 10px 14px;
  border-radius: 15px;
}

body.subject-home-page .last-activity {
  text-align: center;
}

body.subject-home-page .task-rail-section {
  padding: 22px;
}

body.subject-home-page .task-rail-section .section-head {
  margin-bottom: 14px;
}

body.subject-home-page .task-rail-section .help {
  max-width: 760px;
}

body.subject-home-page .task-rail-grid {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(270px, calc((100% - 42px) / 4));
  grid-template-columns: none;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 2px 2px 12px;
  scrollbar-width: thin;
}

body.subject-home-page .task-rail-grid .student-task-card {
  min-height: 0;
  padding: 14px;
  border-radius: 22px;
  gap: 9px;
  scroll-snap-align: start;
  box-shadow: 0 12px 30px rgba(15, 23, 42, .06);
}

body.subject-home-page .task-rail-grid .student-task-card:before {
  height: 4px;
}

body.subject-home-page .task-rail-grid .student-task-cover {
  height: 108px;
  margin: -14px -14px 10px;
  border-radius: 22px 22px 16px 16px;
}

body.subject-home-page .task-rail-grid .student-task-card h3 {
  font-size: 18px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

body.subject-home-page .task-rail-grid .student-task-card p {
  font-size: 13px;
  line-height: 1.7;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

body.subject-home-page .task-rail-grid .task-targets {
  margin: 6px 0;
  padding: 8px 10px;
  border-radius: 13px;
}

body.subject-home-page .task-rail-grid .task-targets span {
  -webkit-line-clamp: 1;
}

body.subject-home-page .task-rail-grid .task-foot {
  font-size: 12px;
  gap: 6px;
  flex-wrap: wrap;
}

body.subject-home-page .task-rail-grid .btn {
  margin-top: auto;
  justify-content: center;
  border-radius: 15px;
  padding: 10px 14px;
}

.post-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
  gap: 18px;
  align-items: stretch;
  margin-bottom: 16px;
}

.post-detail-copy,
.post-detail-cover {
  border-radius: 30px;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, .07);
  box-shadow: 0 18px 50px rgba(15, 23, 42, .08);
}

.post-detail-copy {
  padding: 30px;
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}

.post-detail-copy h1 {
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.25;
  margin: 0;
  color: #0f172a;
}

.post-detail-copy p {
  color: #64748b;
  line-height: 1.9;
  margin: 0;
}

.post-detail-cover {
  min-height: 360px;
  background: linear-gradient(135deg, #0f3d6e, #176dc5, #15a39a);
  background-size: cover;
  background-position: center;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 76px;
  font-weight: 900;
}

.post-detail-article {
  padding: 30px;
}

.post-detail-article .rich-content {
  font-size: 17px;
  line-height: 2.05;
  color: #24364f;
}

.post-detail-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(15, 23, 42, .08);
}

.related-posts-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(250px, 1fr);
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.related-post-card {
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 22px;
  background: #fff;
  padding: 16px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 12px 28px rgba(15, 23, 42, .05);
}

.related-post-card h3 {
  margin: 8px 0;
  color: #0f172a;
  font-size: 18px;
  line-height: 1.5;
}

.related-post-card p {
  color: #64748b;
  line-height: 1.7;
  margin: 0;
}

@media (max-width: 980px) {
  body.subject-home-page .public-wrap,
  body.post-detail-page .public-wrap {
    width: min(100% - 20px, 100%);
  }

  body.subject-home-page .subject-hero,
  .post-detail-hero {
    grid-template-columns: 1fr;
  }

  body.subject-home-page .subject-hero {
    padding: 24px;
  }

  body.subject-home-page .magazine-layout {
    grid-template-columns: 1fr;
  }

  body.subject-home-page .mag-side {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  body.subject-home-page .classroom-summary-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body.subject-home-page .classroom-tools {
    grid-template-columns: 1fr;
  }

  body.subject-home-page .classroom-luxury-grid {
    grid-auto-columns: minmax(280px, 45%);
  }

  body.subject-home-page .task-rail-grid {
    grid-auto-columns: minmax(260px, 42%);
  }
}

@media (max-width: 680px) {
  body.subject-home-page .public-wrap,
  body.post-detail-page .public-wrap {
    width: min(100% - 16px, 100%);
    padding-top: 10px;
  }

  body.subject-home-page .public-top-nav,
  body.post-detail-page .public-top-nav {
    align-items: stretch;
    gap: 10px;
  }

  body.subject-home-page .public-nav-actions,
  body.post-detail-page .public-nav-actions {
    width: 100%;
  }

  body.subject-home-page .public-nav-actions .btn,
  body.post-detail-page .public-nav-actions .btn {
    flex: 1;
    justify-content: center;
  }

  body.subject-home-page .subject-section,
  body.post-detail-page .subject-section {
    padding: 18px;
    border-radius: 22px;
    margin: 12px 0;
  }

  body.subject-home-page .subject-hero {
    padding: 22px;
    border-radius: 24px;
  }

  body.subject-home-page .subject-hero h1 {
    font-size: 30px;
  }

  body.subject-home-page .subject-live-card {
    min-height: 150px;
  }

  body.subject-home-page .magazine-pro-head {
    align-items: flex-start;
    flex-direction: column;
  }

  body.subject-home-page .mag-feature {
    min-height: 285px;
    border-radius: 22px;
  }

  body.subject-home-page .mag-feature-body {
    padding: 18px;
  }

  body.subject-home-page .mag-side {
    grid-template-columns: 1fr;
  }

  body.subject-home-page .mag-carousel {
    grid-auto-columns: minmax(235px, 86%);
  }

  body.subject-home-page .classroom-summary-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body.subject-home-page .classroom-summary-strip > div {
    align-items: flex-start;
    flex-direction: column;
  }

  body.subject-home-page .classroom-luxury-grid {
    grid-auto-columns: minmax(250px, 88vw);
  }

  body.subject-home-page .classroom-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body.subject-home-page .task-rail-grid {
    grid-auto-columns: minmax(245px, 88vw);
  }

  .post-detail-copy,
  .post-detail-article {
    padding: 22px;
  }

  .post-detail-cover {
    min-height: 230px;
    font-size: 54px;
  }
}