/* Editorial campus article layout — 2026-09-25 */

/* Keep the global navigation at the top of the document instead of covering
   long-form content while the visitor reads or captures the full page. */
.campus-header {
  position: absolute !important;
}

.campus-article {
  width: min(1320px, calc(100% - 48px));
  padding-top: 132px;
}

.campus-breadcrumb {
  margin-bottom: 24px;
}

.campus-article-header {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.campus-article .campus-article-header h1 {
  max-width: 700px;
  font-size: clamp(32px, 2.3vw, 42px);
  line-height: 1.18;
  letter-spacing: -.035em;
  text-wrap: balance;
}

.campus-article-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 3.4vw, 46px);
  border: 1px solid rgba(255, 255, 255, .94);
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(255, 255, 255, .9), rgba(235, 241, 255, .76));
  box-shadow: 0 28px 76px rgba(55, 82, 174, .16);
  backdrop-filter: blur(18px);
}

.campus-article-hero::after {
  position: absolute;
  right: -100px;
  bottom: -180px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(94, 116, 255, .16);
  filter: blur(28px);
  content: "";
}

.campus-article-hero.has-video {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(500px, 1.1fr);
  gap: clamp(30px, 4vw, 58px);
  align-items: center;
}

.campus-article-header .campus-kicker {
  margin-bottom: 14px;
}

.campus-article-header .campus-lead {
  max-width: 680px;
  margin: 22px 0 0;
  color: #52679d;
  font-size: 17px;
  line-height: 1.82;
}

.campus-article-meta {
  gap: 8px;
  margin-top: 24px;
}

.campus-article-meta > * {
  padding: 7px 11px;
  border: 1px solid rgba(70, 103, 218, .12);
  border-radius: 999px;
  color: #536797;
  background: rgba(255, 255, 255, .72);
  font-size: 12px;
}

.campus-cover {
  position: relative;
  width: min(1040px, 100%);
  margin: 58px auto 68px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 32px;
  background: rgba(255, 255, 255, .76);
  box-shadow: 0 26px 70px rgba(58, 84, 175, .18);
}

.campus-cover img {
  display: block;
  width: 100%;
  max-height: none;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.campus-cover figcaption,
.campus-story-row figcaption,
.campus-gallery figcaption,
.campus-videos figcaption {
  padding: 13px 17px 15px;
  color: #6475aa;
  background: rgba(255, 255, 255, .88);
  font-size: 13px;
  line-height: 1.55;
}

.campus-story {
  display: grid;
  gap: 30px;
  margin: 54px 0;
}

.campus-story-intro {
  max-width: 860px;
  margin: 0 auto 10px;
  padding: 0 10px;
}

.campus-story-row {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
  gap: clamp(28px, 4.5vw, 66px);
  align-items: center;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid rgba(255, 255, 255, .92);
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(255, 255, 255, .86), rgba(242, 246, 255, .74));
  box-shadow: 0 22px 62px rgba(65, 92, 181, .12);
  backdrop-filter: blur(18px);
}

.campus-story-row.is-reverse figure {
  order: 2;
}

.campus-story-row.is-media-only {
  grid-template-columns: minmax(0, 900px);
  justify-content: center;
}

.campus-story-row figure {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 16px 38px rgba(44, 70, 153, .14);
}

.campus-story-row img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.campus-story-copy p {
  margin: 0 0 22px;
  color: #314783;
  font-size: 18px;
  line-height: 1.95;
}

.campus-story-copy p:last-child {
  margin-bottom: 0;
}

.campus-manual-story {
  display: grid;
  gap: 34px;
  margin: 54px 0;
}

.campus-story-manual-copy {
  max-width: 900px;
  margin: 0 auto;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid rgba(255, 255, 255, .92);
  border-radius: 28px;
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 18px 52px rgba(65, 92, 181, .1);
}

.campus-inline-figure {
  width: min(960px, 100%);
  margin: 6px auto;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .92);
  border-radius: 28px;
  background: rgba(255, 255, 255, .84);
  box-shadow: 0 24px 66px rgba(52, 79, 169, .16);
}

.campus-inline-figure img {
  display: block;
  width: 100%;
  max-height: 720px;
  object-fit: contain;
  background: #eef3ff;
}

.campus-prose-editorial {
  max-width: 820px;
  margin: 64px auto 0;
  padding: clamp(34px, 5vw, 58px);
  border: 1px solid rgba(255, 255, 255, .92);
  border-radius: 30px;
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 20px 58px rgba(65, 92, 181, .11);
  backdrop-filter: blur(18px);
}

.campus-prose-editorial::before {
  display: block;
  margin-bottom: 22px;
  color: #456bff;
  content: "课堂记录";
  font-size: 14px;
  font-weight: 850;
  letter-spacing: .12em;
}

.campus-prose-editorial p:first-child::first-letter {
  float: none;
  margin: 0;
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.campus-prose-editorial p {
  color: #2d4279;
  font-size: 18px;
  line-height: 1.95;
}

.campus-prose-editorial br {
  display: block;
  margin-bottom: .62em;
  content: "";
}

.campus-gallery-section,
.campus-video-section {
  margin: 76px 0 58px;
}

.campus-media-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, .5fr);
  gap: 18px 40px;
  align-items: end;
  margin-bottom: 26px;
}

.campus-media-heading .campus-kicker {
  grid-column: 1 / -1;
  margin: 0;
}

.campus-media-heading h2 {
  margin: 0;
  color: #172d78;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.1;
}

.campus-media-heading > p:last-child {
  margin: 0;
  color: #6475aa;
  line-height: 1.75;
}

.campus-gallery {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
}

.campus-gallery figure,
.campus-videos figure {
  border: 1px solid rgba(255, 255, 255, .92);
  box-shadow: 0 18px 46px rgba(62, 88, 176, .13);
}

.campus-gallery img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: none;
  object-fit: cover;
}

.campus-videos {
  margin: 0;
}

.campus-video-section--lead {
  position: relative;
  z-index: 1;
  min-width: 0;
  margin: 0;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 28px;
  background: rgba(255, 255, 255, .64);
  box-shadow: 0 18px 50px rgba(49, 75, 163, .12);
}

.campus-video-section--lead .campus-media-heading {
  display: block;
  margin: 0 4px 14px;
}

.campus-video-section--lead .campus-media-heading .campus-kicker {
  margin-bottom: 5px;
}

.campus-video-section--lead .campus-media-heading h2 {
  font-size: 25px;
}

.campus-video-section--lead .campus-media-heading > p:last-child {
  margin-top: 5px;
  font-size: 13px;
}

.campus-video-section--lead .campus-videos {
  grid-template-columns: 1fr;
  gap: 14px;
}

.campus-video-section--lead .campus-videos figure {
  border-radius: 20px;
  background: #08132f;
  box-shadow: 0 16px 42px rgba(20, 36, 92, .22);
}

.campus-video-section--lead .campus-videos video {
  aspect-ratio: 16 / 9;
}

.campus-video-section--more {
  width: min(1040px, 100%);
  margin: 68px auto 0;
  padding: clamp(24px, 3.5vw, 40px);
  border: 1px solid rgba(255, 255, 255, .92);
  border-radius: 30px;
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 20px 58px rgba(65, 92, 181, .11);
  backdrop-filter: blur(18px);
}

.campus-video-section--more .campus-videos--more {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
}

.campus-video-section--more .campus-videos figure {
  border-radius: 20px;
}

.campus-video-section--more .campus-videos video {
  aspect-ratio: 16 / 9;
}

.campus-video-more {
  margin-top: 22px;
}

.campus-video-more summary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid rgba(70, 103, 218, .2);
  border-radius: 999px;
  color: #29479a;
  background: rgba(255, 255, 255, .82);
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
  list-style: none;
}

.campus-video-more summary::-webkit-details-marker {
  display: none;
}

.campus-video-more summary::after {
  content: "+";
  font-size: 18px;
  line-height: 1;
  transition: transform .2s ease;
}

.campus-video-more[open] summary::after {
  transform: rotate(45deg);
}

.campus-video-more .campus-videos--expanded {
  margin-top: 18px;
}

.campus-article-tags {
  max-width: 820px;
  margin: 42px auto 0;
}

.campus-article > .campus-privacy-note,
.campus-article > .campus-back {
  width: min(820px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.manage-media-hint {
  display: grid;
  gap: 6px;
  margin-bottom: 16px;
  padding: 15px 17px;
  border: 1px solid rgba(74, 112, 255, .2);
  border-radius: 16px;
  color: #405793;
  background: linear-gradient(135deg, rgba(224, 238, 255, .9), rgba(241, 235, 255, .86));
  font-size: 13px;
  line-height: 1.65;
}

.manage-media-hint strong {
  color: #19357f;
  font-size: 15px;
}

.manage-actions button:disabled {
  cursor: wait;
  opacity: .58;
}

.image-insert-tools {
  margin-top: 14px;
  padding: 14px;
  border: 1px dashed rgba(68, 105, 238, .32);
  border-radius: 16px;
  color: #52679d;
  background: rgba(241, 246, 255, .8);
  font-size: 13px;
  line-height: 1.55;
}

.image-insert-tools > p {
  margin: 0;
}

.image-insert-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.image-insert-grid button {
  display: grid;
  grid-template-columns: 54px 1fr;
  grid-template-rows: auto auto;
  gap: 1px 9px;
  align-items: center;
  min-width: 0;
  padding: 7px;
  border: 1px solid rgba(71, 106, 229, .2);
  border-radius: 13px;
  color: #233f8e;
  background: rgba(255, 255, 255, .9);
  cursor: pointer;
  text-align: left;
}

.image-insert-grid button:hover {
  border-color: #5978ff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(62, 91, 190, .13);
}

.image-insert-grid img {
  grid-row: 1 / 3;
  width: 54px;
  height: 44px;
  border-radius: 9px;
  object-fit: cover;
  background: #e9efff;
}

.image-insert-grid span {
  overflow: hidden;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.image-insert-grid small {
  color: #7786b2;
}

@media (max-width: 1040px) {
  .campus-article-hero.has-video {
    grid-template-columns: 1fr;
  }

  .campus-article-header {
    max-width: 820px;
  }

  .campus-video-section--lead {
    width: min(820px, 100%);
  }
}

@media (max-width: 840px) {
  .campus-article {
    width: calc(100% - 28px);
  }

  .campus-story-row,
  .campus-media-heading {
    grid-template-columns: 1fr;
  }

  .campus-story-row.is-reverse figure {
    order: initial;
  }

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

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

@media (max-width: 560px) {
  .campus-article {
    padding-top: 108px;
  }

  .campus-breadcrumb {
    margin-bottom: 18px;
  }

  .campus-article-hero {
    padding: 22px 18px 18px;
    border-radius: 26px;
  }

  .campus-article .campus-article-header h1 {
    font-size: 30px;
    line-height: 1.18;
  }

  .campus-article-header .campus-lead {
    font-size: 16px;
    line-height: 1.76;
  }

  .campus-video-section--lead {
    padding: 10px;
    border-radius: 22px;
  }

  .campus-video-section--lead .campus-media-heading {
    margin: 3px 4px 12px;
  }

  .campus-video-section--more {
    margin-top: 42px;
    padding: 22px 16px;
    border-radius: 24px;
  }

  .campus-video-section--more .campus-videos--more {
    grid-template-columns: 1fr;
  }

  .campus-cover,
  .campus-story-row,
  .campus-prose-editorial,
  .campus-story-manual-copy,
  .campus-inline-figure {
    border-radius: 22px;
  }

  .campus-story-row {
    gap: 22px;
    padding: 14px;
  }

  .campus-story-copy p,
  .campus-prose-editorial p {
    font-size: 17px;
    line-height: 1.85;
  }

  .campus-gallery {
    grid-template-columns: 1fr;
  }


  .image-insert-grid {
    grid-template-columns: 1fr;
  }
}