body.page-study-meeting {
  background: #05050d;
}

.study-meeting-hero {
  position: relative;
  overflow: hidden;
  padding: 150px 0 78px;
  border-bottom: 1px solid rgba(139, 92, 246, 0.18);
  background:
    radial-gradient(circle at 78% 18%, rgba(34, 211, 238, 0.1), transparent 30%),
    radial-gradient(circle at 18% 76%, rgba(139, 92, 246, 0.16), transparent 34%),
    linear-gradient(135deg, #070610 0%, #0c0918 56%, #12091a 100%);
}

.study-meeting-hero::after {
  content: "";
  position: absolute;
  right: 8%;
  bottom: -160px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.18), transparent 68%);
  pointer-events: none;
}

.study-meeting-hero .study-hub-shell,
.study-meeting-detail .study-hub-shell {
  width: min(1320px, calc(100% - 64px));
  margin-inline: auto;
}

.study-meeting-hero .study-hub-shell {
  position: relative;
  z-index: 1;
}

.study-meeting-hero .course-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  color: #b7bdd0;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}

.study-meeting-hero .course-back-link:hover {
  color: #fff;
  transform: translateX(-3px);
}

.study-meeting-hero .study-hub-kicker {
  display: inline-flex;
  padding: 9px 15px;
  border: 1px solid rgba(139, 92, 246, 0.72);
  border-radius: 999px;
  color: #d8c7ff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.study-meeting-hero h1 {
  max-width: 1120px;
  margin: 24px 0 22px;
  color: #fff;
  font-size: clamp(46px, 6.5vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.study-meeting-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 24px;
}

.study-meeting-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 9px 13px;
  border: 1px solid rgba(139, 92, 246, 0.24);
  border-radius: 12px;
  background: rgba(13, 11, 28, 0.82);
  color: #c0c5d6;
  font-size: 14px;
}

.study-meeting-hero p {
  max-width: 920px;
  margin: 0;
  color: #aeb4c7;
  font-size: clamp(17px, 1.7vw, 22px);
  line-height: 1.7;
}

.study-meeting-detail {
  padding: 72px 0 120px;
  min-height: 56vh;
  background: linear-gradient(180deg, #05050d 0%, #080611 100%);
}

.study-meeting-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 36px;
  align-items: start;
}

.study-meeting-content {
  min-width: 0;
  padding: 32px;
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(14, 12, 27, 0.96), rgba(8, 7, 18, 0.96));
}

.study-meeting-cover {
  display: block;
  width: 100%;
  max-height: 560px;
  margin-bottom: 30px;
  object-fit: cover;
  border-radius: 18px;
}

.study-meeting-content .course-richtext {
  color: #c0c5d2;
  font-size: 17px;
  line-height: 1.85;
}

.study-meeting-content .course-richtext h2,
.study-meeting-content .course-richtext h3,
.study-meeting-content .course-richtext h4 {
  margin: 1.4em 0 0.65em;
  color: #fff;
  line-height: 1.2;
}

.study-meeting-content .course-richtext p,
.study-meeting-content .course-richtext ul,
.study-meeting-content .course-richtext ol {
  margin: 0 0 1.15em;
}

.study-meeting-content .course-richtext a {
  color: #c7a7ff;
  font-weight: 700;
}

.study-meeting-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.study-meeting-gallery figure {
  margin: 0;
  overflow: hidden;
  border-radius: 16px;
  background: #0c0a18;
}

.study-meeting-gallery img {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.study-meeting-gallery figcaption {
  padding: 12px 14px;
  color: #9fa6ba;
  font-size: 13px;
}

.study-meeting-sidebar {
  position: sticky;
  top: 112px;
  display: grid;
  gap: 10px;
  padding: 24px;
  border: 1px solid rgba(139, 92, 246, 0.22);
  border-radius: 22px;
  background: #090811;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.22);
}

.study-meeting-sidebar h3 {
  margin: 0 0 8px;
  color: #fff;
  font-size: 22px;
}

.study-meeting-sidebar a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 50px;
  padding: 12px 14px;
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 13px;
  background: #0f0d1b;
  color: #d9caff;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.study-meeting-sidebar a:hover {
  transform: translateY(-2px);
  border-color: rgba(167, 139, 250, 0.62);
  background: #141023;
}

.study-meeting-sidebar a i {
  color: #8b5cf6;
  font-style: normal;
}

.study-meeting-sidebar p {
  margin: 0;
  color: #858ca0;
  line-height: 1.6;
}

.course-not-found {
  min-height: 70vh;
  display: grid;
  place-items: center;
  padding: 170px 24px 100px;
  text-align: center;
}

.course-not-found span {
  color: #9c6cff;
  font-size: 18px;
}

.course-not-found h1 {
  margin: 18px 0;
  font-size: clamp(48px, 8vw, 82px);
}

.course-not-found a {
  color: #c7a7ff;
  font-weight: 700;
}

@media (max-width: 900px) {
  .study-meeting-layout {
    grid-template-columns: 1fr;
  }

  .study-meeting-sidebar {
    position: static;
  }
}

@media (max-width: 720px) {
  .study-meeting-hero {
    padding: 118px 0 58px;
  }

  .study-meeting-hero .study-hub-shell,
  .study-meeting-detail .study-hub-shell {
    width: min(100% - 28px, 1320px);
  }

  .study-meeting-detail {
    padding: 48px 0 80px;
  }

  .study-meeting-content {
    padding: 22px;
  }

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