/* 教育背景样式 */

/* 时间线容器 */
.education-timeline {
    position: relative;
    padding-left: 40px;
}

.education-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, 
        #00b4d8 0%, 
        #52b788 50%, 
        #ffd700 100%);
    opacity: 0.6;
}

/* 时间线项目 */
.timeline-item {
    position: relative;
    margin-bottom: 40px;
    animation: slideInLeft 0.8s ease;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 时间线节点 */
.timeline-item::before {
    content: '';
    position: absolute;
    left: -32px;
    top: 20px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #00b4d8;
    border: 3px solid rgba(0, 180, 216, 0.3);
    box-shadow: 0 0 20px rgba(0, 180, 216, 0.5);
    z-index: 2;
}

/* 日期徽章 */
.timeline-date {
    margin-bottom: 20px;
}

.date-badge {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, #00b4d8, #0077b6);
    color: white;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 5px 15px rgba(0, 180, 216, 0.3);
}

/* 教育卡片 */
.edu-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.08) 0%, 
        rgba(255, 255, 255, 0.03) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 25px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.edu-card:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(0, 180, 216, 0.3);
}

/* 教育头部 */
.edu-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 30px;
    background: rgba(0, 180, 216, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.edu-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #00b4d8, #0077b6);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.edu-icon i {
    color: white;
    font-size: 2rem;
}

.edu-title h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 5px;
    font-weight: 600;
}

.edu-degree {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
    margin: 0;
}

/* 教育主体 */
.edu-body {
    padding: 30px;
}

.course-title {
    color: #52b788;
    font-size: 1.2rem;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.course-title i {
    color: #52b788;
}

/* 课程网格 */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.course-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.course-item:hover {
    background: rgba(82, 183, 136, 0.1);
    border-color: rgba(82, 183, 136, 0.3);
    transform: translateX(5px);
}

.course-item i {
    color: #ffd700;
    font-size: 1.1rem;
}

.course-item span {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
}

/* 教育亮点 */
.edu-highlights {
    padding: 20px;
    background: linear-gradient(135deg, 
        rgba(82, 183, 136, 0.1) 0%, 
        rgba(82, 183, 136, 0.05) 100%);
    border-radius: 15px;
    border: 1px solid rgba(82, 183, 136, 0.2);
}

.edu-highlights .highlight-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    line-height: 1.8;
    margin: 0;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.edu-highlights i {
    flex-shrink: 0;
    margin-top: 3px;
}

/* 动画效果 */
.edu-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.05) 50%,
        transparent 100%
    );
    transition: left 0.8s ease;
}

.edu-card:hover::before {
    left: 100%;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .education-timeline {
        padding-left: 30px;
    }
    
    .education-timeline::before {
        left: 10px;
    }
    
    .timeline-item::before {
        left: -27px;
        width: 14px;
        height: 14px;
    }
    
    .edu-header {
        padding: 20px;
    }
    
    .edu-icon {
        width: 50px;
        height: 50px;
    }
    
    .edu-icon i {
        font-size: 1.5rem;
    }
    
    .edu-title h3 {
        font-size: 1.3rem;
    }
    
    .edu-degree {
        font-size: 1rem;
    }
    
    .edu-body {
        padding: 20px;
    }
    
    .course-grid {
        grid-template-columns: 1fr;
    }
    
    .course-item {
        padding: 10px 15px;
    }
}

@media (max-width: 480px) {
    .education-timeline {
        padding-left: 20px;
    }
    
    .timeline-item::before {
        display: none;
    }
    
    .education-timeline::before {
        display: none;
    }
    
    .edu-header {
        flex-direction: column;
        text-align: center;
    }
    
    .date-badge {
        font-size: 0.85rem;
        padding: 6px 15px;
    }
}