.product-subnav {
    width: 100%;
    height: 64px;
    background-color: rgba(35,37,38, 1);
    position: sticky;
    top: 0;
    z-index: 1010;
    display: none;
}
.product-subnav-inner {
    width: 1200px;
    min-width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}
.product-subnav-inner h2 {
    font-size: 14px;
    font-weight: normal;
    color: white;
}
.product-subnav-inner .buy-now {
    width: 88px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    color: white;
    background-color: rgb(0,112,213);
    border-radius: 2px;
    cursor: pointer;
    margin-left: 30px;
}
.product-subnav-inner .buy-now:hover {
    background-color: rgb(36,144,227);
}

.section-spec {
    width: 1200px;
    min-width: 1200px;
    margin: 0 auto;
    padding-top: 50px;
}
.section-spec h1 {
    width: 100%;
    padding-bottom: 12px;
    font-size: 32px;
    border-bottom: 1px solid #f0f1f2;
}
.specs-parameter-wrap {
    width: 100%;
    padding-top: 30px;
    margin-bottom: 28px;
}

.specs-parameter-wrap .group-list-title {
    font-size: 24px;
    color: #3b3e40;
    line-height: 32px;
    margin-bottom: 16px;
}
.specs-parameter-wrap .detailed-parameter-list {
    width: 100%;
    padding: 12px 16px;
    background: #f8f9fb;
    display: flex;
}
.specs-parameter-wrap .detailed-parameter-list:nth-child(2n-1) {
    background-color: white;
}
.detailed-parameter-list h4 {
    color: #3b3e40;
    font-size: 16px;
    line-height: 24px;
    font-weight: 400;
}

.specs-parameter-wrap .detailed-parameter-key {
    width: 288px;
    list-style: disc;
    margin-left: 20px;
}
.specs-parameter-wrap .detailed-parameter {
    width: 840px;
    margin-left: 32px;
}
.detailed-parameter-value {
    font-size: 16px;
    line-height: 24px;
    white-space: pre-line;
}