body {
    font-family: "Segoe UI", sans-serif;
    margin: 0;
    padding: 0;
    background: #f9f9f9;
    color: #333;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.course-header {
    background: #ffffff;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    justify-content: space-between; 
    align-items: center;
    gap: 20px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.course-header img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    background: #eee;
    border-radius: 8px;
}

.title-section {
    margin-bottom: 30px;
}

.title-section h1 {
    font-size: 28px;
    margin: 10px 0;
    color: #2c3e50;
}

.title-section p {
    font-size: 18px;
    color: #555;
}

.title-section img {
    max-width: 100%;
}

.highlights {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
}

.highlights h2 {
    margin-bottom: 15px;
    color: #2c3e50;
}

.highlights ul {
    padding-left: 20px;
}

.highlights li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.fee-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f0f8ff;
    border-left: 4px solid #3498db;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.fee-section p {
    font-weight: bold;
    margin: 0;
}

.launch-duration {
    color: white;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.launch-duration>div {
    background-color: #2249F3;
    flex: 1;
    min-width: 180px;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.register-section {
    text-align: center;
    padding: 30px 20px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.register-section button {
    background-color: #2249F3;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.register-section button:hover {
    background-color: #2980b9;
}

.register-section label {
    display: block;
    margin-top: 10px;
    font-size: 14px;
    color: #666;
}