body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
legend,
input,
textarea,
button,
p,
blockquote,
th,
td {
    margin: 0;
    padding: 0;
}

body {
    background: #f1f1f1;
    text-align: center;
    font-family: 'HarmonyOS-Regular';
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

img {
    border: none;
}

body {
    max-width: 100vw;
    overflow-x: hidden;
    /* 可选，以防止任何内部元素超出 */
    background-color: black !important;
}

.middle {
    position: relative;
    width: 100vw;
    /* top: -2vw; */
    margin-top: 3vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: HarmonyOS Sans SC;
}

.topD8 {
    z-index: 9999;
    width: 100vw;
    height: 2.8vw;
    background-color: #fff;
    border-top: 0.15vw solid #e5e5e5;
    border-bottom: 0.1vw solid rgba(197, 197, 197, 0);
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    position: fixed;
}

.topD8 .title {
    margin-left: 20.7vw;
    color: #383838;
    font-size: 0.833vw;
}

.topD8 a {
    width: 4.8958vw;
    height: 1.5625vw;
    margin-right: 21.2vw;
    color: #fff;
    background-color: #10069F;
    font-size: 0.8333vw;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 0.2083vw;
}

/* .middle img {
    width: 100%;
    position: relative;
    top: 7.3vw;
}

.middle a {
    position: absolute;
}

.middle p {
    position: absolute;
} */

.banner {
    margin-top: 3vw;
    width: 100%;
    height: 41.67vw;
    /* 16:9 比例 (9/16=0.5625) */
    background-image: url('/img/D8-banner.png');
    background-size: cover;
    background-position: center;
    color: #fff;
}

.banner .content {
    width: auto;
    height: auto;
    float: right;
    margin-right: 20.83vw;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    margin-top: 12.5vw;
}

.banner .content .title {
    font-size: 2.3958vw;
    line-height: 2.8078vw;
    margin-bottom: 2.0833vw;
    font-weight: 700;
    text-shadow: 0px 2px 5px rgba(7, 2, 79, 1);
    display: flex;
    align-items: center;
}

.banner .content .title span {
    font-size: 1.3541vw;
    width: 5.1042vw;
    height: 2.1875vw;
    border-radius: 0.3281vw;
    border-width: 0.1vw;
    border-style: solid;
    border-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0.7692vw;
}

.banner .content .text {
    font-size: 1.3542vw;
    line-height: 1.587vw;
    font-weight: 400;
    text-shadow: 0px 2px 5px rgba(7, 2, 79, 1);
    margin-bottom: 6.25vw;
}

.banner .content a {
    color: #10069F;
    display: flex;
    width: 8.3333vw;
    height: 2.7083vw;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    border-radius: 0.2563vw;
    font-size: 1.1458vw;
    font-weight: 400;
}

.img1 {
    width: 100%
}

.section1 {
    width: 62.5vw;
    margin-top: 8.3333vw;
    color: #fff;
}

.section1 .text {
    display: flex;
    justify-content: space-between;
    flex-direction: row;
    text-align: left;
}

.section1 .text .title {
    font-size: 2.3958vw;
    line-height: 2.8078vw;
    margin-left: 2.0833vw;
    font-weight: 500;
}

.section1 .text .brief {
    font-size: 0.9375vw;
    line-height: 1.4583vw;
    margin-right: 2.0833vw;
    width: 23.4375vw;
    font-weight: 200;
    text-align: justify;
}

.section1 video {
    width: 100%;
    margin-top: 4.1667vw;
    border-radius: 1.0417vw;
}

.section2 {
    width: 62.5vw;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section2 .title {
    font-size: 2.3958vw;
    line-height: 2.8078vw;
    margin-bottom: 3.125vw;
    font-weight: 500;

}

.section2 .brief {
    font-size: 0.9375vw;
    line-height: 1.4583vw;
    width: 41.6667vw;
    text-align: left;
    font-weight: 200;
}

.section2 .video2 {
    width: 50vw;
    margin-top: 4.1667vw;
    border-radius: 0.5208vw;
}

.section2 .imgBox {
    width: 50vw;
    margin-top: 1.0417vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.section2 .imgBox img {
    width: 24.4792vw;
    border-radius: 0.5208vw;
}

.img4 {
    width: 100%;
    margin-top: 8.3333vw;
}

.under {
    width: 100%;
    display: flex;
    background-color: #f5f5f5;
    flex-direction: column;
    align-items: center;
}

.under .img5 {
    width: 62.5vw;
    margin-top: 5.7292vw;
}

.under .content6 {
    width: 62.5vw;
    height: 39.5833vw;
    background-image: url('/img/D8-6.png');
    background-size: 62.5vw;
    margin-bottom: 6.25vw;
    display: flex;
}

.under .content6 a {
    width: 10vw;
    height: 2.7083vw;
    font-size: 0.9375vw;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.3125vw;
    border: 0.1042vw solid #10069F;
    margin-top: 32.8125vw;
}

.under .content6 .a1 {
    color: #10069F;
    margin-left: 36.1979vw;
}

.under .content6 .a2 {
    color: #ffffff;
    background-color: #10069F;
    margin-left: 3.125vw;
}

#bottom {
    position: relative;
    /* top: 391vw; */
}