.course-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    margin-bottom: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    font-size: 14px;
}
.course-card .card-img-container{
   max-height: 260px;
    overflow: hidden;
    position: relative;
}
.course-card .card-img-top{
    background-color: #f0f0f0; /* 加载时的占位色 */
}
.course-card .course-period {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 11px;
    color: #fff;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    padding: 4px 8px;
    border-radius: 12px;
    font-weight: 500;
}
.course-card .cover{
    position: absolute;
    top: 0;
    width: 100%;
    height: 82%;
    cursor:pointer;
}
.course-desc{
    height:44px;
    overflow: hidden;
    word-break: break-all;
    text-overflow: ellipsis;
}
.course-type {
    color: #e74c3c;
    font-weight: bold;
    margin-bottom: 5px;
}

.course-title {
    font-size: 17px;
    margin-bottom: 10px;
    display: -webkit-box;
  -webkit-line-clamp: 2;        /* 最多两行 */
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
    
}

.course-info {
    font-size: 15px;
    color: #666;
    margin-bottom: 16px;
}

.course-price {
    font-size: 18px;
    color: #e74c3c;
    font-weight: bold;
    margin-bottom: 15px;
}

.course-card .enroll-btn {
    display: block;
    width: 90%;
    padding: 10px;
    background-color: #e74c3c;
    color: white;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    margin: 0 auto;
}
.course-card .enroll-btn:hover{
    color:white;
}

.course-card .card-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: start;
}

.course-card .meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11.5px;
    color: var(--text-secondary);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 针对Bootstrap Icons 小图标统一样式 */
.course-card .meta-icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    color: #9ca3af;
    font-size: 13px;
}
.course-card .meta-icon i {
    font-size: 0.9rem;
}
.course-card .meta-value {
    color: #6b7280;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
 /* 响应式：桌面端 */
@media (min-width: 900px) {
	.course-card .meta-item {
                font-size: 12.5px;
                gap: 7px;
            }
         .course-card   .meta-icon {
                font-size: 14px;
                width: 18px;
            }
}