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: #f5f5f5 !important;
    text-align: center;
    font-family: 'HarmonyOS-Regular';
}

img {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;

    -webkit-user-drag: none;
    -moz-user-drag: none;
    -khtml-user-drag: none;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

img {
    border: none;
}

@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');
}

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

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

.middle {
    position: relative;
    width: 100vw;
    top: 3.05vw;
}

#bottom {
    position: relative;
    top: 2.2vw;
}

@media (max-width: 371px) {
    #bottom {
        top: 1.2vw;
        position: relative;
    }
}

.second-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.86vw;
    font-size: calc(18 / 1920 * 100vw);
    background-color: #fff;
    padding: 0.6vw 20vw;
    position: fixed;
    z-index: 2;
    width: 60%;
}

.second-nav .left ul {
    display: flex;
    gap: 1vw;
    font-family: 'HarmonyOS-Regular';
}

.second-nav .left ul li {
    cursor: pointer;
}

.second-nav li a {
    text-decoration: none;
    color: black;
}

.second-nav .active {
    color: #10069F;
    font-family: 'HarmonyOS-Bold';
}

.second-nav .left ul li a:hover {
    color: #10069F;
    font-family: 'HarmonyOS-Bold';
}

.second-nav .right {
    background-color: #10069F;
    padding: 0.3vw 0.8vw;
    border-radius: 0.3vw;
    color: #fff;
    font-family: 'HarmonyOS';
    z-index: 1;
    cursor: pointer;
    font-size: 0.74vw;
    font-family: 'HarmonyOS-Regular';
}

.second-nav .right a {
    color: #fff;
}

.top-nav {
    position: fixed;
    top: 5.7vw;
    width: 100vw;
    background-color: #f5f5f5;
    z-index: 2;
    display: flex;
    flex-direction: column;
}

.banner {
    /* margin-bottom: calc(40 / 1920 * 100vw); */
    z-index: 2;
    position: relative;
    display: flex;
    height: calc(200 / 1920 * 100vw);
}

.banner img {
    width: 100%;
    height: auto;
    filter: brightness(40%);
    opacity: 0.9;
}

.banner p {
    color: #fff;
    font-weight: 700;
    font-size: calc(32 / 1920 * 100vw);
    line-height: calc(37.5 / 1920 * 100vw);
    font-family: 'HarmonyOS-Bold';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* ==============================================
   新添加的内容样式 - 不要修改原有代码
   ============================================== */

/* 内容容器 */
.content-container {
    padding: 4vw calc(400 / 1920 * 100vw);
    position: relative;
    top: 2.9vw;
}

/* 导航标签 */
.nav-tabs {
    display: none;
    justify-content: center;
    width: calc(990 / 1920 * 100vw);
    margin: 0 auto !important;
    flex-wrap: wrap;
    border-radius: calc(94 / 1920 * 100vw);
    background-color: #fff;
    padding: 0 calc(25.5 / 1920 * 100vw);
    animation: fadeInDown 0.3s ease;
    /* box-shadow: 1px 2px 4px rgba(0, 0, 0, 0.25); */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
    position: absolute;
    bottom: calc(40 / 1920 * 100vw);
    right: calc(465 / 1920 * 100vw);
}

.tab {
    padding: calc(20 / 1920 * 100vw) calc(20 / 1920 * 100vw);
    border-radius: calc(80 / 1920 * 100vw);
    font-size: calc(16 / 1920 * 100vw);
    font-weight: 400;
    line-height: calc(18.75 / 1920 * 100vw);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'HarmonyOS-Regular';
}

.tab.active {
    background: #4062EA;
    color: white;
}

.tab:hover {
    /* background: #ddd; */
}

.tab.active:hover {
    /* background: #4062EA; */
}

/* 客户介绍部分 */
.client-intro-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: calc(60 / 1920 * 100vw);
    margin-top: calc(200 / 1920 * 100vw);
}

.client-intro-section h2 {
    font-size: calc(26 / 1920 * 100vw);
    font-weight: 500;
    line-height: calc(30.47 / 1920 * 100vw);
    font-family: 'HarmonyOS';
}

.client-info {
    width: calc(900 / 1920 * 100vw);
    height: calc(300 / 1920 * 100vw);
    border-radius: calc(20 / 1920 * 100vw);
    background-color: #fff;
    box-shadow: 1px 2px 4px rgba(0, 0, 0, 0.25);
    position: relative;
}

.client-info .client-logo {
    position: absolute;
    left: calc(50 / 1920 * 100vw);
    top: 50%;
    transform: translateY(-50%);
    width: calc(220 / 1920 * 100vw);
}

.client-info .client-backImg {
    position: absolute;
    right: calc(94 / 1920 * 100vw);
    top: 50%;
    transform: translateY(-50%);
    width: calc(467 / 1920 * 100vw);
    opacity: 0.05;
}

.client-info p {
    position: absolute;
    top: 50%;
    right: calc(50 / 1920 * 100vw);
    transform: translateY(-50%);
    width: calc(555 / 1920 * 100vw);
    font-size: calc(16 / 1920 * 100vw);
    font-weight: 300;
    line-height: calc(26 / 1920 * 100vw);
    color: #383838;
    text-align: left;
    font-family: 'HarmonyOS-Light';
    z-index: 1;
}

/* 背景故事部分 */
.background-story {
    margin: calc(100 / 1920 * 100vw) auto 0 auto;
    width: calc(900 / 1920 * 100vw);
}

.background-story h3 {
    font-size: calc(26 / 1920 * 100vw);
    font-weight: 500;
    line-height: calc(30.47 / 1920 * 100vw);
    margin-bottom: calc(60 / 1920 * 100vw);
    font-family: 'HarmonyOS';
}

.background-story p {
    font-size: calc(16 / 1920 * 100vw);
    font-weight: 300;
    line-height: calc(24 / 1920 * 100vw);
    color: #383838;
    margin-bottom: calc(40 / 1920 * 100vw);
    text-align: left;
    font-family: 'HarmonyOS-Light';
}

.background-story h2 {
    font-size: calc(20 / 1920 * 100vw);
    line-height: calc(23.44 / 1920 * 100vw);
    color: #383838;
    margin-bottom: calc(40 / 1920 * 100vw);
    text-align: justify;
    font-weight: 500;
    font-family: 'HarmonyOS';
}

.background-story a {
    font-size: calc(16 / 1920 * 100vw);
    font-weight: 300;
    line-height: calc(24 / 1920 * 100vw);
    color: #383838;
    margin-bottom: calc(40 / 1920 * 100vw);
    text-align: left;
    font-family: 'HarmonyOS';
    float: left;
    text-decoration: underline;
}

.background-story img {
    width: 100%;
}

/* 关键行动表格 */
.key-actions {
    width: calc(800 / 1920 * 100vw);
    margin: calc(68 / 1920 * 100vw) auto 0 auto;
}

.actions-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1vw;
    display: flex;
    gap: calc(5 / 1920 * 100vw);
    flex-direction: column;
}

.actions-table thead {
    display: block;
    background: #4062EA;
    border-radius: calc(10 / 1920 * 100vw);
}

.actions-table thead tr {
    border-radius: calc(10 / 1920 * 100vw);
    display: flex;
    justify-content: space-between;
    padding: 0 calc(25 / 1920 * 100vw);
}

.actions-table thead tr :nth-child(1),
.actions-table thead tr :nth-child(3) {
    width: calc(100 / 1920 * 100vw);
}

.actions-table thead tr :nth-child(2) {
    width: calc(400 / 1920 * 100vw);
}

.actions-table th {
    color: #fff;
    padding: calc(22 / 1920 * 100vw) 0 calc(26 / 1920 * 100vw) 0;
    text-align: center;
    font-size: calc(17 / 1920 * 100vw);
    font-weight: 500;
    line-height: calc(19.92 / 1920 * 100vw);
    font-family: 'HarmonyOS';
}

.actions-table td {
    border: none;
    font-family: 'HarmonyOS';
    padding: calc(20 / 1920 * 100vw) 0;
}

.actions-table tbody {
    display: block;
    border-radius: calc(10 / 1920 * 100vw);
    border: 1px solid rgba(229, 229, 229, 1);
    background-color: #fff;
}

.actions-table tbody tr {
    display: flex;
    justify-content: space-between;
    padding: 0 calc(25 / 1920 * 100vw);
    position: relative;
}

.actions-table tbody tr::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: calc(25 / 1920 * 100vw);
    right: calc(25 / 1920 * 100vw);
    height: 1px;
    background-color: #E5E5E5;
}

/* 最后一行不需要底部边框 */
.actions-table tbody tr:last-child::after {
    display: none;
}

.actions-table tbody tr td:nth-child(1),
.actions-table tbody tr td:nth-child(3) {
    width: calc(100 / 1920 * 100vw);
}

.actions-table tbody tr td:nth-child(2) {
    width: calc(400 / 1920 * 100vw);
    text-align: left;
    font-family: 'HarmonyOS-Light';
    font-size: calc(16 / 1920 * 100vw);
    font-weight: 300;
    line-height: calc(22 / 1920 * 100vw);
    color: #383838;

    span {
        font-family: 'HarmonyOS';
        font-weight: 500;
    }
}

.actions-table tbody tr td:nth-child(1),
.actions-table tbody tr td:nth-child(3) {
    font-size: calc(17 / 1920 * 100vw);
    font-weight: 500;
    line-height: calc(19.92 / 1920 * 100vw);
    font-family: 'HarmonyOS';
}

.table-caption {
    text-align: center;
    margin-top: calc(20 / 1920 * 100vw);
    font-size: calc(17 / 1920 * 100vw);
    font-weight: 500;
    line-height: calc(19.92 / 1920 * 100vw);
    font-family: 'HarmonyOS';
}

.table-caption-text {
    font-size: calc(16 / 1920 * 100vw);
    font-weight: 300;
    line-height: calc(24 / 1920 * 100vw);
    color: #383838;
    font-family: 'HarmonyOS-Light';
    text-align: left;
    margin-top: calc(44 / 1920 * 100vw);
}

/* 联系我们部分 */
.survey-contact-section {
    margin-top: calc(150 / 1920 * 100vw);
    margin-bottom: calc(100 / 1920 * 100vw);
    text-align: center;
    padding-left: calc(150 / 1920 * 100vw);
    padding-top: calc(60 / 1920 * 100vw);
    padding-bottom: calc(60 / 1920 * 100vw);
    background: #fff;
    color: #383838;
    border-radius: calc(10 / 1920 * 100vw);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
}

.survey-contact-section h2 {
    font-size: calc(30 / 1920 * 100vw);
    font-weight: 500;
    letter-spacing: 0px;
    line-height: calc(35.16 / 1920 * 100vw);
    color: #383838;
    margin-bottom: calc(30 / 1920 * 100vw);
    font-family: 'HarmonyOS';
}

.contact-details {}

.email {
    font-size: calc(18 / 1920 * 100vw);
    font-weight: 300;
    line-height: calc(26 / 1920 * 100vw);
    font-family: 'HarmonyOS-Light';
    color: #383838;
    text-align: left;
}

.contact-options {
    display: flex;
    justify-content: center;
    gap: calc(30 / 1920 * 100vw);
    margin-top: calc(60 / 1920 * 100vw);
}

.contact-option {
    background: rgba(255, 255, 255, 0.1);
    border-radius: calc(6 / 1920 * 100vw);
    transition: background 0.3s ease;
    font-size: calc(18 / 1920 * 100vw);
    font-weight: 400;
    line-height: calc(21.1 / 1920 * 100vw);
    font-family: 'HarmonyOS-Regular';
}

.dataInquiry {
    border: 2px solid #10069F;
    color: #10069F;
    padding: calc(15 / 1920 * 100vw) calc(45.5 / 1920 * 100vw);
}

.r8PlusSpecification {
    background: #10069F;
    color: #fff;
    padding: calc(15 / 1920 * 100vw) calc(24.5 / 1920 * 100vw);
    z-index: 1;
}

.survey-contact-section img {
    width: calc(800 / 1920 * 100vw);
    position: absolute;
    bottom: calc(36 / 1920 * 100vw);
    right: calc(-94 / 1920 * 100vw);
}