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';
}

@font-face {
    font-family: 'HarmonyOS';
    src: url('/font-family/HarmonyOS_Sans_SC_Medium.ttf') format('truetype');
}

@font-face {
    font-family: 'HarmonyOS-light';
    src: url('/font-family/HarmonyOS_Sans_SC_Light.ttf') format('truetype');
}

@font-face {
    font-family: 'HarmonyOS-Bold';
    src: url('/font-family/HarmonyOS_Sans_SC_Bold.ttf') format('truetype');
}

@font-face {
    font-family: 'HarmonyOS-Regular';
    src: url('/font-family/HarmonyOS_Sans_SC_Regular.ttf') format('truetype');
}

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;
    line-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: 2.9vw;
    width: 100%;
    height: 41.67vw;
    /* 16:9 比例 (9/16=0.5625) */
    background-image: url('/img/T8Banner.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;

    box-shadow: 0px calc(2 / 1920 * 100vw) calc(5 / 1920 * 100vw) rgba(7, 2, 79, 1);
}

.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;
    line-height: 2.7083vw;
}

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

.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;
    font-family: 'HarmonyOS';
}

.section1 .text .brief {
    font-size: 0.9375vw;
    line-height: 1.4583vw;
    margin-right: 2.0833vw;
    width: 23.4375vw;
    font-weight: 300;
    text-align: justify;
    font-family: 'HarmonyOS-light';
    display: flex;
    flex-direction: column;

    .imgTextTen {
        width: calc(364 / 1920 * 100vw);
        margin-top: calc(15 / 1920 * 100vw);
    }
}

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

.section2 {
    margin-top: calc(200 / 1920 * 100vw);
    width: calc(1200 / 1920 * 100vw);
    height: calc(350 / 1920 * 100vw);
    color: #fff;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    position: relative;

    .title {
        font-size: calc(46 / 1920 * 100vw);
        line-height: calc(53.91 / 1920 * 100vw);
        font-weight: 500;
        font-family: 'HarmonyOS-Bold';
        margin-top: calc(21 / 1920 * 100vw);
        text-align: left;
        background: linear-gradient(90deg,
                rgba(16, 6, 159, 1) 0%,
                rgba(60, 95, 234, 1) 12.6%,
                rgba(145, 166, 250, 1) 100%);
        -webkit-background-clip: text;
        /* 让背景只显示在文字区域 */
        background-clip: text;
        color: transparent;
        /* 文字透明，露出背景渐变 */
    }

    .contentText {
        width: calc(520 / 1920 * 100vw);
        font-size: calc(18 / 1920 * 100vw);
        line-height: calc(28 / 1920 * 100vw);
        font-weight: 300;
        font-family: 'HarmonyOS-Light';
        margin-top: calc(40 / 1920 * 100vw);
        text-align: left;
        z-index: 9;
    }

    img {
        height: 100%;
    }
}

.section3 {
    width: 100%;
    color: #383838;
    position: relative;
    margin-top: calc(200 / 1920 * 100vw);
}

.section3-content {
    position: absolute;
    transform: translateX(-50%);
    left: 50%;
    top: calc(120 / 1920 * 100vw);
}

.section3-title {
    font-size: calc(52 / 1920 * 100vw);
    font-weight: 700;
    line-height: calc(60.94 / 1920 * 100vw);
    font-family: "HarmonyOS-Bold";
}

.section3-text {
    font-size: calc(18 / 1920 * 100vw);
    font-weight: 300;
    line-height: calc(28 / 1920 * 100vw);
    margin-top: calc(40 / 1920 * 100vw);
    width: calc(900 / 1920 * 100vw);
    text-align: justify;
    font-family: "HarmonyOS-Light";

    span {
        font-weight: 700;
        font-family: "HarmonyOS-Bold";
        /* 去掉和前面文本间隙 */
        margin-left: -0.25em;
    }
}

.section3-img {
    width: 100%;
}

.section4 {
    width: 100%;
    color: #fff;
    margin-top: calc(160 / 1920 * 100vw);
}

.section4-title {
    font-size: calc(52 / 1920 * 100vw);
    font-weight: 700;
    line-height: calc(60.94 / 1920 * 100vw);
    text-align: center;
    font-family: "HarmonyOS-Bold";
}

.section4-text {
    font-size: calc(20 / 1920 * 100vw);
    font-weight: 300;
    line-height: calc(40 / 1920 * 100vw);
    margin-top: calc(60 / 1920 * 100vw);
    text-align: center;
    font-family: "HarmonyOS-Light";
}

.section4-video {
    width: calc(1200 / 1920 * 100vw);
    margin-top: calc(120 / 1920 * 100vw);
    border-radius: calc(20 / 1920 * 100vw);
}

.section5 {
    width: 100%;
    color: #fff;
    margin-top: calc(200 / 1920 * 100vw);
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: calc(200 / 1920 * 100vw);
}

.section5-title {
    font-size: calc(46 / 1920 * 100vw);
    font-weight: 500;
    line-height: calc(53.91 / 1920 * 100vw);
    text-align: center;
    font-family: "HarmonyOS-Bold";
}

.section5-text {
    width: calc(800 / 1920 * 100vw);
    font-size: calc(18 / 1920 * 100vw);
    font-weight: 300;
    line-height: calc(28 / 1920 * 100vw);
    margin-top: calc(60 / 1920 * 100vw);
    text-align: justify;
    font-family: "HarmonyOS-Light";
}

.section5-img {
    width: calc(1200 / 1920 * 100vw);
    margin-top: calc(80 / 1920 * 100vw);
    border-radius: calc(20 / 1920 * 100vw);
}

.section6 {
    margin-top: calc(200 / 1920 * 100vw);
    width: calc(1200 / 1920 * 100vw);
    color: #fff;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    position: relative;

    .title {
        font-size: calc(46 / 1920 * 100vw);
        line-height: calc(53.91 / 1920 * 100vw);
        font-weight: 500;
        font-family: 'HarmonyOS-Bold';
        margin-top: calc(80 / 1920 * 100vw);
        text-align: left;
    }

    .contentText {
        width: calc(420 / 1920 * 100vw);
        font-size: calc(18 / 1920 * 100vw);
        line-height: calc(28 / 1920 * 100vw);
        font-weight: 300;
        font-family: 'HarmonyOS-Light';
        margin-top: calc(60 / 1920 * 100vw);
        text-align: justify;
    }

    .section6-video {
        width: calc(700 / 1920 * 100vw);
        border-radius: calc(20 / 1920 * 100vw);
    }
}

.section7 {
    margin-top: calc(200 / 1920 * 100vw);
    width: calc(1200 / 1920 * 100vw);
    color: #fff;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    position: relative;

    .title {
        font-size: calc(46 / 1920 * 100vw);
        line-height: calc(53.91 / 1920 * 100vw);
        font-weight: 500;
        font-family: 'HarmonyOS-Bold';
        margin-top: calc(20 / 1920 * 100vw);
        text-align: left;
    }

    .contentText {
        width: calc(520 / 1920 * 100vw);
        font-size: calc(18 / 1920 * 100vw);
        line-height: calc(28 / 1920 * 100vw);
        font-weight: 300;
        font-family: 'HarmonyOS-Light';
        margin-top: calc(60 / 1920 * 100vw);
        text-align: justify;
    }

    .section7-video-wrapper {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: calc(40 / 1920 * 100vw);
    }

    .section7-video {
        width: calc(600 / 1920 * 100vw);
        height: calc(350 / 1920 * 100vw);
        border-radius: calc(20 / 1920 * 100vw);
    }

    .section7-video-button-box {
        background-color: #383838;
        color: #fff;
        border-radius: calc(60 / 1920 * 100vw);
        display: flex;
    }

    .section7-video-button {
        font-size: calc(20 / 1920 * 100vw);
        font-weight: 400;
        line-height: calc(28 / 1920 * 100vw);
        padding: calc(15 / 1920 * 100vw) calc(30 / 1920 * 100vw);
        font-family: "HarmonyOS-Regular";
        cursor: pointer;
        border-radius: calc(60 / 1920 * 100vw);

    }

    .section7-video-button-box .active {
        background-color: #10069F;
    }
}

.section8 {
    margin-top: calc(200 / 1920 * 100vw);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section8-title {
    font-size: calc(46 / 1920 * 100vw);
    font-weight: 500;
    line-height: calc(53.91 / 1920 * 100vw);
}

/* 轮播视窗 — 负责裁切两边 */
.carousel-window {
    width: 100%;
    overflow: hidden;
    /* position: relative; */
}

.carousel-black-left {
    position: absolute;
    left: 0;
    width: calc(445 / 1920 * 100vw);
    height: calc(700 / 1920 * 100vw);
    background: rgba(0, 0, 0, 0.6);
    z-index: 2;
}

.carousel-black-right {
    position: absolute;
    right: 0;
    width: calc(445 / 1920 * 100vw);
    height: calc(700 / 1920 * 100vw);
    background: rgba(0, 0, 0, 0.6);
    z-index: 2;
}

/* 轮播轨道 — 使用flex，无间隙 */
.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
    will-change: transform;
    gap: calc(40 / 1920 * 100vw);
    margin-top: calc(80 / 1920 * 100vw);
}

/* 每个item宽度 960/1920 vw */
.carousel-item {
    flex: 0 0 auto;
    width: calc(960 / 1920 * 100vw);
    box-sizing: border-box;
}

video-with-progress {
    display: block;
    width: 100%;
    position: relative;
}

/* 视频本身 */
.carousel-video {
    width: 100%;
    display: block;
    border-radius: calc(20 / 1920 * 100vw);
}

.carousel-item video {
    width: 100%;
    display: block;
    border-radius: calc(20 / 1920 * 100vw);
}

/* 进度条容器 — slim样式，一直可见 */
.progress-slim {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    margin-top: 4px;
    border-radius: 2px;
    position: relative;
    cursor: pointer;
}

.progress-fill {
    width: 0%;
    height: 100%;
    background: #10069F;
    border-radius: 2px;
    transition: width 0.1s linear;
}

.section8-text {
    font-size: calc(18 / 1920 * 100vw);
    font-weight: 300;
    line-height: calc(28 / 1920 * 100vw);
    font-family: "HarmonyOS-Light";
    margin-top: calc(40 / 1920 * 100vw);
    width: calc(800 / 1920 * 100vw);
    text-align: justify;
}

.section8-video-button-box {
    margin-top: calc(60 / 1920 * 100vw);
    background-color: #383838;
    color: #fff;
    border-radius: calc(60 / 1920 * 100vw);
    display: flex;
}

.section8-video-button {
    font-size: calc(20 / 1920 * 100vw);
    font-weight: 400;
    line-height: calc(28 / 1920 * 100vw);
    padding: calc(15 / 1920 * 100vw) calc(30 / 1920 * 100vw);
    font-family: "HarmonyOS-Regular";
    cursor: pointer;
    border-radius: calc(60 / 1920 * 100vw);

}

.section8-video-button-box .active {
    background-color: #10069F;
}

.section-frame {
    position: relative;
    height: 200vh;
    /* 控制滚动区域长度 */
    background: #000;
}

.section-frame img {
    position: sticky;
    top: 0;
    /* width: 100%; */
    height: 100vh;
    object-fit: contain;
}

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

.under .img1 {
    width: calc(1200 / 1920 * 100vw);
    margin-top: calc(140 / 1920 * 100vw);
}

.under .content6 {
    width: calc(1200 / 1920 * 100vw);
    height: calc(512 / 1920 * 100vw);
    background-color: #fff;
    border-radius: calc(20 / 1920 * 100vw);
    margin-top: calc(122 / 1920 * 100vw);
    margin-bottom: calc(120 / 1920 * 100vw);
    display: flex;
    position: relative;
}

.under .content6 img {
    position: absolute;
    top: calc(-150 / 1920 * 100vw);
    left: calc(-270 / 1920 * 100vw);
    width: calc(1050 / 1920 * 100vw);
}

.under .content6 .line {
    position: absolute;
    top: calc(118 / 1920 * 100vw);
    left: calc(696 / 1920 * 100vw);
    width: calc(444 / 1920 * 100vw);
    height: 1px;
    background-color: #A6A6A6;
}

.under .content6 .textList {
    width: calc(444 / 1920 * 100vw);
    margin-top: calc(82 / 1920 * 100vw);
    margin-left: calc(696 / 1920 * 100vw);
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    z-index: 2;
}

.under .content6 .textList .box {
    width: 10vw;
    display: flex;
    flex-direction: column;
    text-align: left;

    .topTitle {
        font-size: calc(22 / 1920 * 100vw);
        line-height: calc(25.78 / 1920 * 100vw);
        color: #383838;
        font-family: 'HarmonyOS-Bold';
        font-weight: 700;
    }

    .num {
        font-size: calc(18 / 1920 * 100vw);
        line-height: calc(21.1 / 1920 * 100vw);
        color: #10069F;
        font-family: 'HarmonyOS-Regular';
        font-weight: 400;
        margin-top: calc(20 / 1920 * 100vw);
    }

    .num:nth-child(2) {
        margin-top: calc(40 / 1920 * 100vw);
    }

    .numTitle {
        font-size: calc(14 / 1920 * 100vw);
        line-height: calc(16.41 / 1920 * 100vw);
        color: #383838;
        font-family: 'HarmonyOS-Light';
        font-weight: 300;
        margin-top: calc(5 / 1920 * 100vw);
    }
}

.under .content6 .textList .box:last-of-type {
    /* margin-right: calc(83 / 1920 * 100vw); */
}

.content6 .abox {
    width: calc(444 / 1920 * 100vw);
    position: absolute;
    bottom: calc(80 / 1920 * 100vw);
    left: calc(696 / 1920 * 100vw);
    display: flex;
    gap: calc(60 / 1920 * 100vw);
    z-index: 3;
}

.content6 .abox 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: calc(60 / 1920 * 100vw);
}

.under .content6 .abox .a1 {
    color: #10069F;
}

.under .content6 .abox .a2 {
    color: #ffffff;
    background-color: #10069F;
}

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

.floatText {
    position: absolute;
    font-size: calc(26 / 1920 * 100vw);
    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.7);
    z-index: 9
}

.leftText {
    left: calc(40 / 1920 * 100vw);
}

.rightText {
    right: calc(40 / 1920 * 100vw);
}