/* 专属命名空间，避免全局样式冲突 */
.metal-pack-module {
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    padding: 30px 20px;
    margin: 20px 0;
}
.metal-pack-module h1.main-title {
    text-align: center;
    font-size: 36px;
    color: #1B3884;
    margin: 0 0 40px 0;
    font-weight: 800;
}
.metal-grid-wrap {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px 20px;
}
.metal-col-block h2.col-title {
    color: #1B3884;
    font-size: 24px;
    margin: 0 0 20px 0;
    font-weight: 600;
}
.metal-col-block ul.item-list {
    list-style: disc;
    padding-left: 20px;
    margin: 0;
    color: #1B3884;
    line-height: 1.7;
    font-size: 15px;
}
.metal-col-block ul.item-list li {
    margin-bottom: 8px;
}
/* 移动端自动适配单列 */
@media screen and (max-width:768px) {
    .metal-grid-wrap {
        grid-template-columns: 1fr;
    }
    .metal-pack-module h1.main-title {
        font-size: 24px;
    }
}