.header-section {
        background: linear-gradient(
          135deg,
          #7c3aed 0%,
          #a855f7 50%,
          #c084fc 100%
        );
        padding: 15px 0 25px 0;
        margin-bottom: 40px;
      }

      .breadcrumb-text {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.85);
        margin-bottom: 8px;
        font-weight: 400;
      }

      .ktitle {
        font-size: 32px;
        font-weight: 700;
        color: #000;
        text-align: center;
      }
      .ktitle2{

font-size: 32px;
        font-weight: 700;
        color: #000;
        text-align: right;

      }

      .content-wrapper {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
      }

      .main-content {
        display: grid;
        grid-template-columns: 300px 1px 1fr;
        gap: 30px;
        margin-bottom: 35px;
      }

      .divider-line {
        width: 1px;
        background-color: #d1d5db;
        height: 100%;
      }

      .video-section {
        display: flex;
        flex-direction: column;
      }

      .video-player {
        background: #d1d5db;
        border-radius: 8px;
        aspect-ratio: 16/9.5;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        margin-bottom: 12px;
        max-height: 390px;
      }

      .play-btn {
        width: 70px;
        height: 70px;
        background: rgba(0, 0, 0, 0.5);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.2s;
      }

      .play-btn:hover {
        background: rgba(0, 0, 0, 0.7);
        transform: scale(1.05);
      }

      .play-triangle {
        width: 0;
        height: 0;
        border-style: solid;
        border-width: 12px 0 12px 20px;
        border-color: transparent transparent transparent #ffffff;
        margin-right: -3px;
      }

      .video-stats {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 14px;
      }

      .stat-box {
        display: flex;
        align-items: center;
        gap: 15px;
        font-size: 14px;
        color: #4b5563;
        font-weight: 500;
      }

      .stat-icon {
        width: 26px;
        height: 26px;
        background: #f3f4f6;
        border-radius: 6px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
      }

      .profile-sidebar {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
      }

      .profile-img-container {
        position: relative;
        margin-bottom: 10px;
      }

      .profile-img {
        width: 300px;
        height: 350px;
        border-radius: 18px;
        border: 1px solid #d1d5db;
        object-fit: cover;
        display: block;
      }

      .rating-overlay {
        position: absolute;
        bottom: 12px;
        left: 12px;
        background: rgba(255, 255, 255, 0.25);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 6px 14px;
        border-radius: 10px;
        display: flex;
        align-items: center;
        gap: 5px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.3);
      }

      .rating-star {
        font-size: 17px;
        line-height: 1;
      }

      .rating-number {
        font-size: 15px;
        font-weight: 700;
        color: #ffffff;
        line-height: 1;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
      }

      .teacher-name {
        font-size: 30px;
        font-weight: 700;
        color: #1f2937;
        margin-bottom: 0px;
        text-align: center;
      }

      .teacher-subject {
        font-size: 25px;
        font-weight: 600;
        color: #f59e0b;
        text-align: center;
      }

      .about-card {
        background: linear-gradient(
          180deg,
          rgba(255, 255, 255, 1) 0%,
          rgba(226, 209, 171, 0.4) 52%,
          rgba(255, 255, 255, 1) 96%
        );
        border: 1px solid #e5e7eb;
        border-radius: 12px;
        padding: 30px 35px;
      }

      .about-heading {
        font-size: 32px;
        font-weight: 700;
        color: #1f2937;
        text-align: center;
        margin-bottom: 28px;
        padding-bottom: 18px;
        border-bottom: 1px solid #e5e7eb;
      }

      .achievement-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
      }

      .achievement {
        display: flex;
        align-items: flex-start;
        gap: 10px;
      }

      .achievement-emoji {
        font-size: 18px;
        line-height: 1.6;
        flex-shrink: 0;
      }

      .achievement-text {
        font-size: 15px;
        line-height: 1.7;
        color: #4b5563;
        font-weight: 500;
      }

      @media (max-width: 992px) {
        .main-content {
          grid-template-columns: 1fr;
        }

        .divider-line {
          display: none;
        }
      }
      .krating {
    position: absolute;
    bottom: 0;
    right: 10px;
    color: #fff;
}
.instimg{
    height: 384px;
}
a.instlink {
    text-decoration: none;
    color: var(--bs-body-color);
}
h4.course-title {
    font-size: 20px;
}