/* 产品展示区域 */
.product-header {
    max-width: 80%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin: 20px auto;
}
.product-header .left {
    border: 1px solid #eee;
    padding: 10px;
    background: #fff;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}
.product-header .left img {
    width: 100%;
    height: auto;
    display: block;
}
.product-header .right {
    align-self: start;
}
.product-header .right dl dt {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
    font-size: 24px;
}
.product-header .right dl dd {

}
.product-header .right dl dd p {
    position: relative;
    padding-left: 20px;
}
.product-header .right dl dd p:before {
    content: "·";
    position: absolute;
    left: 0;
    font-weight: bold;
}
/* 获取资料按钮样式 - 更新版 */
.download-btn {
    margin-top: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 25px;
    background-color: #1e50a2;
    color: white;
    text-decoration: none;
    border-radius: 25px; /* 更大的圆角 */
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(30, 80, 162, 0.3);
    gap: 10px;
}
.download-btn:hover {
    background-color: #153d7a;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(30, 80, 162, 0.4);
}
.download-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(30, 80, 162, 0.3);
}
.download-btn i {
    font-size: 18px;
}
@media (max-width: 768px) {
    .product-header {
        max-width: 100%;
        grid-template-columns: 1fr; /* 单列布局 */
    }
    .product-header .right dl dt {
        font-size: 20px;
    }
    .download-btn {
        width: 100%;
    }
}
/*内容导航*/
.product-content-nav {
    margin-top: 30px;
}
.product-content-nav ul {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    border-bottom: 1px solid #ddd;
}
.product-content-nav ul li {
    padding: 12px 25px;
    cursor: pointer;
    font-size: 16px;
    position: relative;
}
.product-content-nav ul li.active {
    color: var(--blue);
    font-weight: bold;
}
.product-content-nav ul li.active:after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--blue);
}

/* 内容区域样式 */
.product-content{
}
.product-content dl{
    display: grid;
    grid-template-columns: minmax(150px, auto) 1fr; /* 两列布局 */
    align-items: start;
    border-bottom: 1px dashed var(--grey);
}
.product-content dl:last-child{
    border-bottom: none;
}
.product-content dl dt{
    position: relative;
    padding-left: 20px;
    font-size: 18px;
}
.product-content dl dt:before{
    position: absolute;
    top: 3px;
    left: 0;
    width: 4px;
    height: 20px;
    background: var(--blue);
    content: "";
}
.product-content dl dd{

}
@media (max-width: 576px) {
    .product-content dl {
        grid-template-columns: 1fr; /* 改为单列布局（自动换行） */
        gap: 8px;
        padding-bottom: 12px;
    }
    .product-content dl dt {
        padding-left: 15px;
        padding-bottom: 5px;
        border-bottom: 1px solid #f0f0f0; /* 添加分隔线 */
    }

    .product-content dl dt:before {
        top: 0;
        height: 18px;
    }
    .product-content dl dd {
        padding-left: 15px; /* 与dt的装饰线对齐 */
    }
}