:root {
    font-size: 62.5%;
    --color-white: #ffffff;
    --color-black: #000000;
    --color-gray: #1d2129;
    --color-blue: #007aff;
    --color-blue-dark: #007bffe1;
    --color-green: #01bf9f;
    --color-green-dark: #01bf9fe1;
    --color-orange: #ff9325;
    --gap-size: 1.6rem;
    --gap-size-08: 0.8rem;
    --gap-size-48: 4.8rem;
    --gap-size-68: 6.8rem;
    --gap-size-12: 12rem;
}
@media (max-width: 1000px) {
    :root {
        font-size: 50%;
    }
}
@media screen and (min-width: 1930px) {
    :root {
        font-size: 80%;
    }
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.search-box {
    position: relative;
}
.search-input {
    width: 220px;
    height: 32px;
    font-size: 12px;
    padding: 8px 12px !important;
    border-radius: 6px;
    background-color: #f7f7f7;
    border: 2px solid #f7f7f7 !important;
    box-sizing: border-box;
}
.search-box img {
    cursor: pointer;
    position: absolute;
    width: 20px;
    height: 20px;
    top: 5px;
    right: 10px;
}
.flex-align-center {
    display: flex;
    align-items: center;
}
.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}
.flex-between {
    display: flex;
    justify-content: space-between;
}
.flex-column-center {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.BG {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}
.gap-15 {
    gap: 1.5rem;
}
nav {
    width: 100%;
    height: 6.4rem;
}
nav .content {
    justify-content: space-between;
    width: 120rem;
    margin: 0 auto;
    height: 100%;
}
nav .content .logo {
    width: 20rem;
    height: 6.4rem;
}
nav .content .desc {
    justify-content: space-evenly;
    width: 80rem;
    font-size: 1.6rem;

    height: 100%;
}
nav .content .desc span {
    font-weight: 500;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--color-black);
}
nav .content .desc span:hover {
    color: rgba(51, 51, 51, 0.986);
}
nav .content .button {
    justify-content: center;
    width: 11.8rem;
    height: 3.6rem;
    border-radius: 0.6rem;
    font-size: 1.4rem;
    background-color: #000000;
    color: var(--color-white);
    cursor: pointer;
}
nav .content .button:hover {
    background-color: rgba(51, 51, 51, 0.986);
}
nav .content .button .windows {
    width: 2rem;
    height: 2rem;
    margin-right: 0.4rem;
}
main {
    width: 100%;
    margin-top: 6rem;
}
main .content {
    width: 120rem;
    height: 41.3rem;
    margin: 0 auto;
}
main .content .logo-title {
    gap: var(--gap-size-08);
}
main .content .logo-title .logo {
    width: 10rem;
    height: 10rem;
}
main .content .logo-title .title {
    position: relative;
    font-weight: 700;
    font-size: 6rem;
    color: var(--color-gray);
}
main .content .logo-title .title img {
    position: absolute;
    right: -7.8rem;
    width: 6.8rem;
    height: 3.2rem;
}
main .content .logo-title .desc {
    font-weight: 500;
    font-size: 2rem;
    color: var(--color-gray);
}
main .content .button-type {
    margin-top: var(--gap-size-48);
    gap: var(--gap-size);
}
main .content .button-type .button {
    width: 30rem;
    height: 6.4rem;
    gap: var(--gap-size-08);
    background-color: var(--color-blue);
    border-radius: 10rem;
    font-size: 2.4rem;
    font-weight: 600;
    color: var(--color-white);
    cursor: pointer;
}
main .content .button-type .button:hover {
    background-color: var(--color-blue-dark);
}
main .content .button-type .downloadNum {
    font-size: 2rem;
    color: var(--color-black);
    font-weight: 500;
}
main .content .button-type .downloadNum span {
    color: var(--color-blue);
}
main .content .button-type .type {
    font-size: 1.2rem;
    color: var(--color-gray);
}
footer .content {
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    z-index: -1;
}
footer .content img {
    width: 128rem;
    height: 47.3rem;
}
.search-box {
    position: relative;
}
.search-input {
    width: 220px;
    height: 32px;
    font-size: 12px;
    padding: 8px 12px !important;
    border-radius: 6px;
    background-color: #f7f7f7;
    border: 2px solid #f7f7f7 !important;
    box-sizing: border-box;
}
.search-box img {
    cursor: pointer;
    position: absolute;
    width: 20px;
    height: 20px;
    top: 5px;
    right: 10px;
}

footer .footer-info {
    color: #999999;
}
footer .hover:hover {
    text-decoration: underline;
    color: #007aff;
    cursor: pointer;
}