/* 主体部分样式优化 */
.sec9 {
    background: #fff;
    padding: 20px 0;
    position: relative;
    overflow: hidden;
}

.sec9 .bIn {
    position: relative;
    z-index: 1;
}

.sec-docs {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    padding: 40px;
    max-width: 1200px;
    margin: 0 auto;
    backdrop-filter: blur(10px);
    border: 1px solid #f0f0f0;
    transition: box-shadow 0.3s ease;
}

.sec-docs:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.mTtl {
    text-align: center;
    margin-bottom: 30px;
    position: relative;
}

.mTtl h3 {
    font-size: 24px;
    color: #f00;
    font-weight: 600;
    margin: 0;
    display: inline-block;
    padding: 0 30px;
    position: relative;
}

.mTtl h3::before,
.mTtl h3::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #f00, transparent);
}

.mTtl h3::before {
    left: -60px;
}

.mTtl h3::after {
    right: -60px;
}
.mTtl a {
    color: #f00;
    text-decoration: none;
}

.mTxt {
    line-height: 1.8;
    color: #333;
    font-size: 18px;
}

.mTxt h2 {
    font-size: 28px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f00;
    text-align: center;
}

.mTxt p {
    margin-bottom: 18px;
    text-align: justify;
    opacity: 1;
    transform: translateY(0);
}

.mTxt strong {
}
.mTxt .emkt {
    font-family: '楷体';
    font-weight: 600;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sec9 {
        padding: 40px 0;
    }
    
    .sec-docs {
        padding: 25px;
        margin: 0 20px;
    }
    
    .mTtl h3 {
        font-size: 20px;
        padding: 0 20px;
    }
    
    .mTtl h3::before,
    .mTtl h3::after {
        width: 30px;
    }
    
    .mTtl h3::before {
        left: -40px;
    }
    
    .mTtl h3::after {
        right: -40px;
    }
    
    .mTxt h2 {
        font-size: 22px;
    }
    
    .mTxt {
        font-size: 14px;
    }
}