.intro-box {
    padding-bottom: 3rem;
    background-color: #000000;
}

.intro-box .intro-nav {
    position: fixed;
    top: 3.25rem;
    left: 0;
    width: 100%;
    height: 3.25rem;
    padding: 0 .75rem;
    border-bottom: 0.06rem solid #292A2A;
    background: #000000e6;
    box-sizing: border-box;
    z-index: 3;
}

.intro-box .intro-nav.scrollTop {
    top: 0;
}

.intro-box .intro-nav .nav-item {
    display: inline-block;
    color: #ffffff;
    font-family: "HarmonyOS Sans SC";
    font-size: 1rem;
    font-style: normal;
    font-weight: 500;
}

.intro-box .intro-nav .nav-item .icon {
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    vertical-align: middle;
    margin-left: 0.3rem;
}

.intro-box .intro-nav .nav-item .pop-mask {
    display: none;
    position: absolute;
    top: 3.25rem;
    right: 0;
    left: 0;
    height: calc(100vh - 3.25rem);
    z-index: 13;
}

.intro-box .intro-nav .nav-item .pop-mask.show {
    display: block;
}

.intro-box .intro-nav .nav-item .pop-mask .pop-nav {
    position: absolute;
    top: 0;
    right: 4.38rem;
    width: 7.5rem;
    padding: 0 0.94rem 0.38rem;
    background-color: #fff;
    box-shadow: 0 0 1.25rem 0 #44444440;
    border-radius: 0.4rem;
    box-sizing: border-box;
}

.intro-box .intro-nav .nav-item .pop-mask .pop-nav::before {
    content: '';
    display: block;
    position: absolute;
    top: -0.6rem;
    right: 0.6rem;
    border-right: 0.5rem solid transparent;
    border-left: 0.5rem solid transparent;
    border-bottom: 1rem solid #fff;
}

.intro-box .intro-nav .nav-item .pop-mask .pop-nav .pop-item {
    display: block;
    height: 2.75rem;
    line-height: 2.75rem;
    color: #000;
    text-align: center;
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
}

.intro-box .intro-nav .nav-btn {
    width: 3.38rem;
    height: 1.88rem;
    padding: 0.38rem 0.75rem;
    justify-content: center;
    align-items: center;
    color: #ffffff;
    font-family: "HarmonyOS Sans SC";
    font-size: 0.88rem;
    font-style: normal;
    font-weight: 400;
    border-radius: 0.13rem;
    background: #0070D5;
    text-decoration: none;
}

.intro-box .floor-item {
    position: relative;
    margin-bottom: 2.5rem;
}

.intro-box .floor-item .item-adv {
    display: block;
    width: 100%;
}

.intro-box .floor-item .item-keyboard {
    position: absolute;
    top: 0;
    width: 100%;
}


.intro-box .floor-item .item-content {
    position: absolute;
    top: calc(3.25rem * 2 + 1.88rem);
    left: 50%;
    width: 80%;
    transform: translateX(-50%);
    z-index: 1;
}

.intro-box .floor-item .item-content .content-title {
    color: #1b1f21;
    text-align: center;
    font-family: "HarmonyOS Sans SC";
    font-size: 2.25rem;
    font-style: normal;
    font-weight: 400;
    line-height: 2rem;
    margin-bottom: 0.38rem;
}

.intro-box .floor-item .item-content .content-title>img {
    display: block;
    height: 2rem;
    margin: 0 auto;
}

.intro-box .floor-item .item-content .content-subtitle {
    color: #444444;
    text-align: center;
    font-family: "HarmonyOS Sans SC";
    font-size: 1.13rem;
    font-style: normal;
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.intro-box .floor-item .item-content .content-desc {
    color: #d0d0d0;
    text-align: center;
    font-family: "HarmonyOS Sans SC";
    font-size: 1rem;
    font-style: normal;
    font-weight: 300;
    line-height: 1.2rem;
    margin-bottom: 0.38rem;
}

.intro-box .floor-item .item-content .content-btns .btn {
    color: #444444;
    font-family: "HarmonyOS Sans SC";
    font-size: 0.88rem;
    font-style: normal;
    font-weight: 400;
    line-height: 1rem;
    margin-right: 0.63rem;
    text-decoration: none;
    border-radius: 2rem;
    padding: 0.5rem .6rem 0.5rem 1rem;
    border: 1px solid #444444;
    cursor: pointer;
}

.intro-box .floor-item .item-content .content-btns .btn.bg {
    color: #444444 !important;
    background-color: #fff !important;
}

.intro-box .floor-item .item-content .content-btns .btn:last-child {
    margin-right: 0;
}

.intro-box .floor-item.white .content-title,
.intro-box .floor-item.white .content-subtitle,
.intro-box .floor-item.white .content-btns .btn {
    color: #fff !important;
    border-color: #fff;
}

.intro-box .floor-item.white .item-content .content-desc {
    color: #d0d0d1;
}

.intro-box .slice-item {
    width: 100%;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 0 0.75rem;
    margin-bottom: 0.39rem;
    box-sizing: border-box;
}

.intro-box .slice-item>img {
    display: block;
    width: 100%;
}

.intro-box .slice-item .col-01 {
    width: 100%;
}


.intro-box .slice-item .col-02 {
    width: calc(40% - 0.225rem);
}

.intro-box .slice-item .col-03 {
    width: calc(60% - 0.225rem);
}

.intro-box .slice-item .col-04 {
    width: calc(50% - 0.225rem);
}

.intro-box .slice-item .col-05 {
    width: calc(50% - 0.225rem);
}

.intro-box .slice-item .col-05>img {
    width: 100%;
}

.intro-box .slice-title {
    padding: 4rem 0 1.38rem;
}

.intro-box .slice-title .title {
    width: calc(100% - 3.76rem);
    color: transparent;
    font-family: "HarmonyOS Sans SC";
    font-size: 1.5rem;
    font-style: normal;
    text-align: center;
    font-weight: 700;
    line-height: normal;
    background: linear-gradient(90deg, #E3E6E7 0%, #95CFFA 100%);
    background-clip: text;
    -webkit-background-clip: text;
    margin: 0 auto 0.88rem;
}

.intro-box .slice-title .subtitle {
    width: calc(100% - 3.76rem);
    color: transparent;
    text-align: center;
    font-family: "HarmonyOS Sans SC";
    font-size: 1rem;
    font-style: normal;
    font-weight: 300;
    line-height: normal;
    background: linear-gradient(90deg, #E3E6E7 0%, #95CFFA 100%);
    background-clip: text;
    -webkit-background-clip: text;
    word-break: break-all;
    margin: 0 auto 0.88rem;
}

.intro-box .slice-row {
    padding: 3rem 0.75rem 1rem;
}

.intro-box .slice-row .slice-col .cover {
    display: block;
    width: 2.5rem;
    height: 2.5rem;
    margin: 0 auto 0.63rem;
}

.intro-box .slice-row .slice-col .title {
    color: #ffffff;
    text-align: center;
    font-family: "HarmonyOS Sans SC";
    font-size: 0.94rem;
    font-style: normal;
    font-weight: 400;
    line-height: 1.14rem;
    margin-bottom: 0.63rem;
}

.intro-box .slice-row .slice-col .subtitle {
    color: #999999;
    text-align: center;
    font-family: "HarmonyOS Sans SC";
    font-size: 0.75rem;
    font-style: normal;
    font-weight: 400;
}


.intro-box .slice-shift {
    margin-top: 5rem;
}

.intro-box .slice-shift .shift-title {
    color: transparent;
    font-family: "HarmonyOS Sans SC";
    font-size: 1.75rem;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
    text-align: center;
    background: linear-gradient(90deg, #E3E6E7 0%, #95CFFA 100%);
    background-clip: text;
    -webkit-background-clip: text;
}

.intro-box .slice-shift .shift-content {
    width: 100%;
    padding: 0 1.88rem;
    box-sizing: border-box;
}

.intro-box .slice-shift .shift-content .shift-info {
    width: 60%;
    padding-top: 2.75rem;
}

.intro-box .slice-shift .shift-content .shift-info .title {
    color: transparent;
    font-family: "HarmonyOS Sans SC";
    font-size: 1.5rem;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
    background: linear-gradient(90deg, #E3E6E7 0%, #95CFFA 100%);
    background-clip: text;
    -webkit-background-clip: text;
    margin-bottom: 1rem;
}

.intro-box .slice-shift .shift-content .shift-info .subtitle {
    color: #cdc8c8;
    font-family: "HarmonyOS Sans SC";
    font-size: 1.06rem;
    font-style: normal;
    font-weight: 300;
    line-height: 1.69rem;
}

.intro-box .slice-shift .shift-content .shift-cover {
    width: 40%;
}

.intro-box .slice-shift .shift-content .shift-cover>img {
    max-width: 100%;
}

.intro-box .slice-shift .shift-row {
    flex-wrap: wrap;
    padding: 3rem 1.88rem 1rem;
}

.intro-box .slice-shift .shift-row .shift-col {
    width: 60%;
}

.intro-box .slice-shift .shift-row .shift-col:nth-child(2n) {
  width: 40%;
}

.intro-box .slice-shift .shift-row .shift-col .title {
    color: #CDC8C8;
    font-family: "HarmonyOS Sans SC";
    font-size: 1.06rem;
    font-style: normal;
    font-weight: 300;
    line-height: 1.25rem;
    margin-bottom: 0.63rem;
}

.intro-box .slice-shift .shift-row .shift-col .subtitle {
    color: transparent;
    font-family: "HarmonyOS Sans SC";
    font-size: 1.5rem;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    background: linear-gradient(90deg, #E3E6E7 0%, #95CFFA 100%);
    background-clip: text;
    -webkit-background-clip: text;
    margin-bottom: 1.88rem;
}

.intro-box .slice-shift .shift-row .shift-col .unit {
    font-size: 1rem;
}

.intro-box .slice-swiper {
    width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.intro-box .slice-swiper .swiper-item {
    padding: 0 0.88rem;
    box-sizing: border-box;
}

.intro-box .slice-swiper .swiper-item .item-adv {
    display: block;
    width: 100%;
}

.intro-box .slice-swiper .swiper-item .col-title {
    color: #ffffff;
    text-align: center;
    font-family: "HarmonyOS Sans SC";
    font-size: 1.06rem;
    font-style: normal;
    font-weight: 500;
    margin-bottom: 0.67rem;
}

.intro-box .slice-swiper .swiper-item .col-price {
    color: #ffffff;
    text-align: center;
    font-family: "HarmonyOS Sans SC";
    font-size: 0.94rem;
    font-style: normal;
    font-weight: 500;
    margin-bottom: 0.67rem;
}

.intro-box .slice-swiper .swiper-item .col-btn {
    display: block;
    width: 4.25rem;
    height: 1.5rem;
    line-height: 1.5rem;
    color: #ffffff;
    font-family: "HarmonyOS Sans SC";
    font-size: 0.75rem;
    font-style: normal;
    font-weight: 400;
    text-align: center;
    border-radius: 40.8rem;
    background: #0070D5;
    margin: 0 auto 0.67rem;
    text-decoration: none;
}

.intro-box .slice-swiper .swiper-item .col-more {
    display: block;
    color: #0070d5;
    font-family: "HarmonyOS Sans SC";
    font-size: 0.88rem;
    font-style: normal;
    font-weight: 400;
    text-align: center;
    padding-bottom: 1.39rem;
    border-bottom: #313131 solid 0.06rem;
    text-decoration: none;
}

.intro-box .slice-swiper .swiper-item .col-spec {
    line-height: 0.94rem;
    color: #ffffff;
    text-align: center;
    font-family: "HarmonyOS Sans SC";
    font-size: 0.81rem;
    font-style: normal;
    font-weight: 400;
    padding-top: 1.3rem;
    margin-bottom: 0.56rem;
    white-space: pre-line;
}

.intro-box .slice-swiper .swiper-item .col-desc {
    line-height: 0.88rem;
    color: #99999999;
    text-align: center;
    font-family: "HarmonyOS Sans SC";
    font-size: 0.75rem;
    font-style: normal;
    font-weight: 400;
    margin-bottom: 0.58rem;
}

.tips-txt {
    color: #999999;
    font-family: "HarmonyOS Sans SC";
    font-size: 0.94rem;
    font-style: normal;
    font-weight: 300;
    line-height: 1.75rem;
    white-space: pre-line;
    padding: 4.5rem 0.75rem 2rem;
}

.tips-logo {
    padding-top: 1.88rem;
}

.tips-logo>img {
    display: block;
    height: 1.75rem;
    margin: 0 auto;
}

.slice-txt {
    color: #4b5f80;
    text-align: center;
    font-family: "HarmonyOS Sans SC";
    font-size: 1rem;
    font-style: normal;
    font-weight: 300;
    text-align: center;
    padding-top: 1.38rem;
}