@font-face {
    font-family: 'Alibaba PuHuiTi';
    src: url('./AlibabaPuHuiTi-3-115-Black.ttf') format('truetype');
}
@font-face {
    font-family: 'PingFang SC';
    src: url('./PingFang-SC-Semibold.ttf') format('truetype');
}

html,
body {
    font-size: 19.2px;
    padding: 0;
    margin: 0;
    overflow-x: hidden;
    max-width: 100%;
}
.u-flex {
    display: flex;
    flex-direction: row;
    align-items: center;
}
.u-row-center {
    justify-content: center;
}
.u-row-between {
    justify-content: space-between;
}
.u-row-around {
    justify-content: space-around;
}
.color-text {
    background-image: linear-gradient(to left, #f1ff4f 0%, #96ffe6 100%);
    -webkit-background-clip: text;
    color: transparent;
}
.content {
    width: 100vw;
    height: 100vh;
    overflow: scroll;
    scroll-behavior: smooth;
    overflow-x: hidden;
    max-width: 100%;
}

/* 顶部导航菜单 */
.qiqi-nav {
    width: 100vw;
    height: 4.38rem;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0);
    transition: all 0.5s;
}
.qiqi-nav-bg {
    background: rgba(255, 255, 255, 1) !important;
}
.qiqi-nav-content {
    width: 75%;
    /* width: 67.81rem; */
    height: 4.38rem;
}
.qiqi-logo-img {
    width: 1.88rem;
    height: 1.88rem;
    display: block;
}
.qiqi-logo-title {
    width: 7.4rem;
    height: 2.24rem;
    display: block;
    margin-left: 0.21rem;
}
.nav-list {
    position: relative;
}
.nav-item {
    font-family: PingFang SC, PingFang SC;
    font-size: 0.94rem;
    color: #ffffff;
    padding: 0 2.03rem;
    text-decoration: none;
    cursor: pointer;
}
.black-color {
    color: #000000 !important;
}
.black-background {
    background: #000000 !important;
}
.nav-item-active {
    font-weight: 600 !important;
}
.nav-item-margin {
    margin-right: 0.94rem;
}
.nav-item-active-line {
    position: absolute;
    width: 0;
    top: 140%;
    left: 50%;
    height: 0.21rem;
    background: #ffffff;
    border-radius: 24px;
    transition: 0.2s all linear;
}

.login-btn {
    width: 7.19rem;
    height: 2.55rem;
    background: #000000;
    border-radius: 2.6rem;
    cursor: pointer;
}
.login-btn-text {
    font-family: PingFang SC, PingFang SC;
    font-weight: 600;
    font-size: 0.94rem;
}
.page-item {
    width: 100%;
    height: 100vh;
    position: relative;
}
.vertical-height {
    height: 46.88rem !important;
}
.page-bg {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
}
/* 第一页 */
.page-1-title {
    width: 47.4rem;
    height: 5.78rem;
    display: block;
    margin: auto;
}
.page-1-character {
    font-family: PingFang SC, PingFang SC;
    font-weight: 600;
    font-size: 1.04rem;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 1.04rem;
}
.character-line {
    font-size: 1.25rem !important;
    padding: 0 1.25rem;
    font-weight: 400 !important;
}
.down-load-list {
    margin-top: 1.82rem;
}
.down-load-item {
    width: 8.85rem;
    height: 2.97rem;
    margin: 0 0.52rem;
    position: relative;
    cursor: pointer;
}
.down-load-item-content {
    width: 8.85rem;
    height: 2.97rem;
    background: #121212;
    border-radius: 0.42rem;
    border: 0.05rem solid rgba(255, 255, 255, 0.6);
    transition: height 0.3s;
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
}
.down-load-item-type {
    width: 8.85rem;
    height: 2.97rem;
}
.down-load-item-content:hover {
    height: 12rem !important;
}
.down-load-icon {
    width: 1.88rem;
    height: 1.88rem;
    display: block;
    margin-right: 0.42rem;
}
.down-load-name {
    font-family: PingFang SC, PingFang SC;
    font-weight: 600;
    font-size: 0.83rem;
    color: #ffffff;
    line-height: 0.98rem;
}
.down-load-desc {
    font-family: PingFang SC, PingFang SC;
    font-weight: 400;
    font-size: 0.63rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 0.73rem;
    margin-top: 0.1rem;
}
.down-load-qr {
    width: 7rem;
    height: 7rem;
    display: block;
    margin: auto;
    margin-top: 1rem;
    border-radius: 0.42rem;
}
.mouse-black {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    cursor: pointer;
}
.mouse-white {
    position: absolute;
    bottom: 2.8rem;
    left: 50%;
    transform: translateX(-50%);
    cursor: pointer;
}
.mouse-icon {
    width: 1.04rem;
    height: 1.75rem;
    display: block;
}
.down-arrow {
    width: 0.92rem;
    height: 1.18rem;
    margin: 1rem auto auto auto;
    display: block;
}

/* 第二页 */
.page-2-bg {
    width: 37.45rem;
    height: 28.65rem;
}
.about-content {
    margin-left: 2.4rem;
    padding-bottom: 5rem;
}
.about-logo {
    width: 11.484rem;
    height: 5.443rem;
}
.hs-about-logo {
    width: 18.21rem;
    height: 5.443rem;
}
.title-text {
    font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
    font-weight: normal;
    font-size: 1.46rem;
    color: #000000;
}
.content-desc-text {
    font-family: Microsoft Sans Serif, Microsoft Sans Serif;
    font-weight: 400;
    font-size: 0.83rem;
    color: #999999;
    line-height: 1.42rem;
    letter-spacing: 0.05rem;
}
.about-content-desc {
    width: 22rem;
    margin-top: 1rem;
}
.black-btn {
    width: 8.02rem;
    height: 2.5rem;
    background: #000000;
    border-radius: 0.42rem;
    margin-top: 1rem;
}
.black-btn-icon {
    width: 1.25rem;
    height: 1.25rem;
}
.black-btn-text {
    font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
    font-weight: normal;
    font-size: 0.73rem;
    margin-left: 0.1rem;
}

/* 第三页 */
.introduced-content {
}
.page-3-bg {
    width: 22.24rem;
    height: 38.8rem;
    margin-left: 7.92rem;
}
.introduced-title {
    font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
    font-weight: normal;
    font-size: 3.33rem;
    color: #000000;
    padding-top: 1rem;
}
.introduced-logo {
    width: 11.69rem;
    height: 5.44rem;
}
.introduced-content-desc {
    margin-top: 1rem;
    width: 31rem;
    font-family: Microsoft Sans Serif, Microsoft Sans Serif;
    font-weight: 400;
    font-size: 0.83rem;
    color: #999999;
    line-height: 1.42rem;
}

/* 联系我们 */
.contact {
    width: 100%;
    height: 18.75rem;
    position: relative;
}
.contact-bg {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    object-fit: cover;
    /* background-image: url('@/assets/img/login-bg.jpg');
    background-size: cover;
    background-position: center; */
}
.company-info {
    /* margin-left: 18.75%; */
}
.contact-title {
    font-family: PingFang SC, PingFang SC;
    font-weight: 600;
    font-size: 1.35rem;
    color: #ffffff;
    line-height: 1.59rem;
}
.contact-label {
    font-family: PingFang SC, PingFang SC;
    font-weight: 600;
    font-size: 0.73rem;
    color: #ffffff;
    line-height: 0.85rem;
}
.contact-qr {
    width: 8.75rem;
    height: 8.75rem;
    border-radius: 0.38rem;
}
.contact-post {
    /* margin-right: 18.75%; */
}
.contact-form {
    margin-top: 1.25rem;
}
.form-item-input {
    margin-top: 0.42rem;
    width: 9.9rem;
    height: 2.4rem;
    background: #ffffff;
    border-radius: 0.42rem;
    padding: 0.78rem 0.63rem;
    font-size: 0.63rem;
    border: 0;
    outline: 0;
    resize: none;
    box-sizing: border-box;
}
.textarea-box {
    position: relative;
    margin-top: 0.42rem;
    width: 20.31rem;
    height: 2.7rem;
    background: #ffffff;
    border-radius: 0.42rem;
    padding: 0.63rem;
}
.form-item-textarea {
    width: 16rem;
    height: 2.7rem;
    font-size: 0.63rem;
    border: 0;
    outline: 0;
    resize: none;
    box-sizing: border-box;
    background: transparent;
}
.submit-btn {
    position: absolute;
    bottom: 0.73rem;
    right: 0.43rem;
    width: 3.13rem;
    height: 1.56rem;
    background: #000000;
    border-radius: 1.56rem;
    cursor: pointer;
}
.submit-btn-text {
    font-family: PingFang SC, PingFang SC;
    font-weight: 600;
    font-size: 0.73rem;
}
input::placeholder,
textarea::placeholder {
    font-family: PingFang SC, PingFang SC;
    font-weight: 400;
    font-size: 0.63rem;
    color: #999999;
}
.foot {
    width: 100%;
    height: 7.29rem;
    background: #000000;
}
.foot-text {
    font-family: PingFang SC, PingFang SC;
    font-weight: 400;
    font-size: 0.63rem;
    color: #ffffff;
}
.decoration-none {
    text-decoration: none;
}

/* 错误提示 */
.toast {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 1rem 1rem;
    text-align: center;
    font-size: 1rem;
    color: #fff;
    background-color: rgba(0, 0, 0, 0.8);
    border-radius: 0.2rem;
    z-index: 9;
}