/* 教学科研模块核心样式 */
.teaching-research {
    padding: 60px 0;
    background: linear-gradient(120deg, #f8fbff 0%, #e8f4ff 100%);
    position: relative;
    z-index: 1;
    margin-top:80px;
}

.teaching-research::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%230a5da6' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.5;
    z-index: -1;
}

.teaching-research .inner {
    width: 1600px;
    margin: 0 auto;
    position: relative;
}

.teaching-research h2 {
    font-size: 42px;
    margin-bottom: 40px;
    text-align: center;
    color: #0a5da6;
    font-weight: 700;
    position: relative;
}

.teaching-research h2::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: #0a5da6;
    margin: 15px auto 0;
    border-radius: 2px;
}

/* 3行2列网格布局 */
.research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2列 */
    grid-template-rows: repeat(3, 1fr);    /* 3行 */
    gap: 30px; /* 行列间距 */
}

/* 科研项样式 */
.research-item {
    display: flex;
    align-items: center;
    background: #ffffff;
    padding: 25px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(10, 93, 166, 0.08);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.research-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(10, 93, 166, 0.15);
    border-color: #dbe9ff;
}

.research-icon {
    flex: 0 0 80px;
    height: 80px;
    background: #f0f5ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
}

.research-content {
    flex: 1;
}

.research-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.4;
}

.research-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 12px;
}

.research-more {
    font-size: 13px;
    color: #0a5da6;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.research-more:hover {
    color: #084a8c;
    text-decoration: underline;
}

/* 响应式适配 */
@media (max-width: 1680px) {
    .teaching-research .inner {
        width: 90%;
    }
}

@media (max-width: 768px) {
    .research-grid {
        grid-template-columns: 1fr; /* 移动端改为1列 */
        grid-template-rows: repeat(6, auto);
    }
    
    .teaching-research h2 {
        font-size: 32px;
    }
    
    .research-item {
        padding: 20px;
    }
}