.course-detail-container {
    max-width: 900px;
    margin: -10px auto 60px;
    padding: 20px 0 40px;
    background: #f8f9fd;
  }

  .course-detail-container .course-header {
    background: linear-gradient(90deg, #7c3aed 0%, #c026d3 100%);
    border-radius: 18px;
    padding: 32px 35px;
    margin-bottom: 25px;
    color: #ffffff;
    box-shadow: 0 12px 40px rgba(124, 58, 237, 0.28);
  }

  .course-detail-container .course-header-with-logo {
    display: flex;
    align-items: center;
    gap: 24px;
  }

  .course-detail-container .course-logo-box {
    width: 105px;
    height: 105px;
    background: #ffffff;
    border-radius: 16px;
    padding: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.16);
  }

  .course-detail-container .course-logo-img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
  }

  .course-detail-container .course-logo-placeholder {
    font-size: 42px;
    font-weight: 800;
    color: #7c3aed;
  }

  .course-detail-container .course-header-title-area {
    flex: 1;
    min-width: 0;
  }

  .course-detail-container .breadcrumb-text {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
    opacity: 0.95;
  }

  .course-detail-container .course-main-title {
    font-size: 2.35rem;
    font-weight: 800;
    line-height: 1.2;
    color: #ffffff !important;
    margin-bottom: 12px;
  }

  .course-detail-container .course-university {
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 0;
  }

  .course-detail-container .col-lg-4 {
    display: flex;
  }

  .course-detail-container .info-card {
    background: #ffffff;
    border-radius: 14px;
    padding: 26px 24px;
    height: 100%;
    width: 100%;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
    transition: all 0.25s ease;
  }

  .course-detail-container .info-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.11);
  }

  .course-detail-container .section-title {
    font-size: 1.35rem !important;
    font-weight: 700 !important;
    color: #6366f1 !important;
    margin-bottom: 18px !important;
    padding-bottom: 14px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0 !important;
  }

  .course-detail-container .section-title i {
    color: #6366f1 !important;
    font-size: 22px;
  }

  .course-detail-container .info-item {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid #f0f0f0;
    align-items: flex-start;
  }

  .course-detail-container .info-item:last-child {
    border-bottom: none;
  }

  .course-detail-container .info-icon {
    width: 38px;
    height: 38px;
    min-width: 38px;
    background: #eee8ff;
    color: #7c3aed;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .course-detail-container .info-icon i {
    color: #7c3aed !important;
    font-size: 18px;
  }

  .course-detail-container .info-content {
    flex: 1;
  }

  .course-detail-container .info-content strong {
    display: block;
    font-size: 13px;
    color: #111827;
    margin-bottom: 6px;
    font-weight: 700;
  }

  .course-detail-container .info-content p {
    margin: 0;
    font-size: 13px;
    color: #4b5563;
    line-height: 1.6;
  }

  .course-detail-container .fee-period {
    font-size: 12px;
    color: #6b7280;
  }

  .course-detail-container .ranking-badge {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #ffffff;
    border-radius: 999px;
    padding: 4px 9px;
    font-size: 11px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 5px;
  }

  .course-detail-container .ranking-badge i {
    color: #ffffff !important;
    font-size: 11px;
  }

  .course-detail-container .requirements-list,
  .course-detail-container .facilities-list {
    margin: 0;
    padding-left: 0;
    list-style: none;
  }

  .course-detail-container .requirements-list li,
  .course-detail-container .facilities-list li {
    font-size: 13px;
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .course-detail-container .requirements-list li i,
  .course-detail-container .facilities-list li i {
    color: #6366f1 !important;
  }

  .course-detail-container .student-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 8px;
  }

  .course-detail-container .tag {
    color: #ffffff;
    border-radius: 10px;
    padding: 8px 10px;
    font-size: 11px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 5px;
  }

  .course-detail-container .tag i {
    color: #ffffff !important;
  }

  .course-detail-container .tag-international {
    background: #6366f1;
  }

  .course-detail-container .tag-domestic {
    background: #0ea5e9;
  }

  .course-detail-container .ai-card {
    background: #f8f7ff;
    border: 1px dashed #a78bfa;
  }

  .course-detail-container .ai-placeholder {
    min-height: 360px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #6366f1;
  }

  .course-detail-container .ai-icon-large {
    font-size: 60px;
    color: #a78bfa;
    margin-bottom: 20px;
  }

  .course-detail-container .ai-icon-large i {
    color: #a78bfa !important;
  }

  .course-detail-container .ai-placeholder h4 {
    color: #6366f1 !important;
    font-weight: 800;
    font-size: 1.25rem;
    margin-bottom: 10px;
  }

  .course-detail-container .ai-placeholder p {
    color: #4b5563;
    font-size: 13px;
    max-width: 260px;
    line-height: 1.6;
  }

  .course-detail-container .course-description {
    color: #4b5563;
    line-height: 1.7;
    font-size: 14px;
    margin-bottom: 0;
  }

  .course-detail-container .action-buttons {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 26px;
  }

  .course-detail-container .action-buttons .btn {
    border-radius: 50px;
    padding: 12px 30px;
    font-weight: 700;
    border: none;
    color: #ffffff !important;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
  }

  .course-detail-container .btn-apply {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
  }

  .course-detail-container .btn-view-university {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
  }

  .course-detail-container .btn-compare {
    background: linear-gradient(135deg, #ec4899, #f43f5e);
  }

  .course-detail-container .btn-apply:hover,
  .course-detail-container .btn-view-university:hover,
  .course-detail-container .btn-compare:hover {
    transform: translateY(-2px);
    color: #ffffff !important;
  }

  @media (max-width: 768px) {
    .course-detail-container {
      padding-left: 12px;
      padding-right: 12px;
    }

    .course-detail-container .course-header {
      padding: 25px;
    }

    .course-detail-container .course-header-with-logo {
      flex-direction: column;
      align-items: flex-start;
    }

    .course-detail-container .course-logo-box {
      width: 85px;
      height: 85px;
    }

    .course-detail-container .course-main-title {
      font-size: 1.8rem;
    }

    .course-detail-container .action-buttons {
      flex-direction: column;
    }

    .course-detail-container .action-buttons .btn {
      width: 100%;
      justify-content: center;
    }
  }