/* 课程详情页样式 */
.course-detail {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 5%;
}

/* 课程头部 */
.course-header {
    margin-bottom: 2rem;
    text-align: center;
}

.course-header h1 {
    font-size: 2.5rem;
    color: #2c5530;
    margin-bottom: 1rem;
}

.course-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    color: #666;
}

.course-meta span {
    padding: 0.5rem 1rem;
    background-color: #f5f5f5;
    border-radius: 4px;
}

/* 课程介绍 */
.course-intro {
    margin-bottom: 3rem;
}

.course-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.course-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.course-image:hover {
    transform: scale(1.02);
}

.course-description {
    color: #333;
    line-height: 1.8;
}

.course-description h2 {
    color: #2c5530;
    margin-bottom: 1rem;
}

.course-features {
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.course-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.course-features i {
    color: #2c5530;
}

/* 课程大纲 */
.course-outline {
    margin-bottom: 3rem;
}

.course-outline h2 {
    color: #2c5530;
    margin-bottom: 1.5rem;
}

.outline-item {
    margin-bottom: 1rem;
    border: 1px solid #eee;
    border-radius: 8px;
}

.outline-header {
    padding: 1rem;
    background-color: #f5f5f5;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.outline-header h3 {
    color: #333;
    margin: 0;
}

.toggle-btn {
    padding: 0.3rem 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.toggle-btn:hover {
    background-color: #2c5530;
    color: #fff;
}

.outline-content {
    padding: 1rem;
    display: none;
}

.outline-content.active {
    display: block;
}

.outline-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.outline-content li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.outline-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #2c5530;
}

/* 教练介绍 */
.coach-intro {
    margin-bottom: 3rem;
}

.coach-intro h2 {
    color: #2c5530;
    margin-bottom: 1.5rem;
}

.coach-card {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    background-color: #f5f5f5;
    border-radius: 8px;
}

.coach-avatar img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
}

.coach-info {
    flex: 1;
}

.coach-info h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.coach-title {
    color: #666;
    margin-bottom: 1rem;
}

.coach-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
}

.coach-description {
    color: #333;
    line-height: 1.8;
}

/* 报名表单 */
.enrollment-form {
    margin-bottom: 3rem;
}

.enrollment-form h2 {
    color: #2c5530;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group textarea {
    height: 100px;
    resize: vertical;
}

.submit-btn {
    padding: 1rem 2rem;
    background-color: #2c5530;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.submit-btn:hover {
    background-color: #1e3c22;
}

/* 学员评价 */
.student-reviews {
    margin-bottom: 3rem;
}

.student-reviews h2 {
    color: #2c5530;
    margin-bottom: 1.5rem;
}

.reviews-summary {
    display: flex;
    gap: 3rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background-color: #f5f5f5;
    border-radius: 8px;
}

.rating-overall {
    text-align: center;
}

.rating-number {
    font-size: 3rem;
    font-weight: bold;
    color: #2c5530;
}

.rating-stars {
    color: #f0ad4e;
    font-size: 1.5rem;
    margin: 0.5rem 0;
}

.rating-count {
    color: #666;
}

.rating-breakdown {
    flex: 1;
}

.rating-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.rating-label {
    width: 80px;
    color: #333;
}

.rating-bar {
    flex: 1;
    height: 8px;
    background-color: #ddd;
    border-radius: 4px;
    overflow: hidden;
}

.rating-fill {
    height: 100%;
    background-color: #2c5530;
}

.rating-value {
    width: 40px;
    color: #666;
    text-align: right;
}

.review-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.review-avatar img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.review-content {
    flex: 1;
}

.review-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.review-author {
    font-weight: bold;
    color: #333;
}

.review-rating {
    color: #f0ad4e;
}

.review-date {
    color: #666;
    font-size: 0.9rem;
}

.review-text {
    color: #333;
    line-height: 1.6;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination a, .pagination span {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
}

.pagination a:hover {
    background-color: #f5f5f5;
    color: #2c5530;
}

.pagination a.active {
    background-color: #2c5530;
    color: #fff;
    border-color: #2c5530;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .course-header h1 {
        font-size: 2rem;
    }

    .course-meta {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .course-images {
        grid-template-columns: 1fr;
    }

    .coach-card {
        flex-direction: column;
        text-align: center;
    }

    .coach-avatar img {
        margin: 0 auto;
    }

    .coach-stats {
        justify-content: center;
    }

    .reviews-summary {
        flex-direction: column;
        gap: 2rem;
    }
}