/* CSS初始化样式 - 移动端优化 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    /* 移除移动端点击高亮 */
}

html {
    font-size: 16px;
    line-height: 1.5;
    /* font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; */
    font-family: Helvetica, Arial, メイリオ, meiryo, ヒラギノ角ゴ pro w3, hiragino kaku gothic pro, sans-serif;
    /* font-family: "open sans", sans-serif; */
    color: #333;
    background-color: #f8f9fa;
    -webkit-text-size-adjust: 100%;
    /* 防止字体大小自动调整 */
}

body {
    max-width: 100%;
    overflow-x: hidden;
    min-height: 100vh;
    padding-bottom: constant(safe-area-inset-bottom);
    /* 兼容iOS 11.0 */
    padding-bottom: env(safe-area-inset-bottom);
    /* 兼容iOS 11.2+ */
}

/* 常用元素初始化 */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: 0.5em;
}

h1 {
    font-size: 1.5rem;
}

h2 {
    font-size: 1.375rem;
}

h3 {
    font-size: 1.25rem;
}

h4 {
    font-size: 1.125rem;
}

h5 {
    font-size: 1rem;
}

h6 {
    font-size: 0.875rem;
}

p {
    margin-bottom: 1em;
}

a {
    color: #007bff;
    text-decoration: none;
    background-color: transparent;
}

a:hover,
a:focus {
    color: #0056b3;
    text-decoration: none;
    cursor: pointer;
}

img {
    max-width: 100%;
    height: auto;
    border-style: none;
    display: block;
}

ul,
ol {
    margin: 0px;
    padding: 0px;
}

li {
    margin-bottom: 0.25em;
    list-style: none;
}

/* 表单元素初始化 */
input,
textarea,
select,
button {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    border: 1px solid #ced4da;
    border-radius: 4px;
    padding: 8px 12px;
    outline: none;
}

input:focus,
textarea:focus,
select:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

button {
    background-color: #5fe785;
    color: white;
    border: none;
    cursor: pointer;
    padding: 10px 16px;
    transition: background-color 0.15s ease-in-out;
}

button:hover,
button:focus {
    background-color: #141416;
}

/* 头部样式 - 使用position:sticky */
.m_header {
    display: none;
}

.mobile_nav {
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1001;
    background-color: #000;
    display: none;
    flex-direction: column;
    justify-content: space-around;
}

.mobile_nav ul li {
    text-align: center;
    margin: 30px 0;
}

.mobile_nav ul li a {
    font-size: 2.2em;
    color: #fff;
}


.mobile_nav ul li a.active {
    color: #5FE785;
}

.closeNav {
    color: #fff;
    position: absolute;
    top: 1%;
    right: 1%;

}

.closeNav img {
    width: 60px;
    height: 60px;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    align-items: center;
    padding: 24PX 70px;
    z-index: 1000;
    transition: background-color 0.3s ease;
    background-color: transparent;
    justify-content: space-between;
    align-items: center;
}

/* 当下拉5px时添加背景色 */
.header.scrolled {
    background-color: #141416;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Logo样式 */
.logo {
    height: 45px;
    display: flex;
    align-items: center;
}

.logo a {
    display: block;
    height: 45px;
}

.logo a svg {
    height: 100%;
    width: auto;
}

/* 主要内容容器 */
.container {
    position: relative;
    width: 100%;
}

/* 视频横幅 - 始终固定在顶部 */
.banner_vedio {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 1;
    overflow: hidden;
}

.banner_vedio video {
    width: 100%;
    height: 100vh;
    object-fit: cover;
}

.banner_vedio .txt {
    color: #fff;
    padding: 158px 0 0 70px;
    position: absolute;
    top: 0;
    left: 0;
}

.banner_vedio .txt h1 {
    font-size: 80px;
}

.banner_vedio .txt h2 {
    font-size: 30px;
    font-weight: 400;
}

.banner_vedio .txt a {
    background-color: #5fe785;
    color: #000 !important;
    padding: 15px 30px;
    margin-top: 30px;
    transition: background-color 0.3s ease;
    border-radius: 5px;
    display: inline-block;
}

.banner_vedio .txt a:hover {
    background-color: #141416;
    color: #fff !important;
}

/* 信息区域 - 覆盖在视频上方 */
.info {
    position: relative;
    margin-top: 110vh;
    z-index: 100;
}

.infobg {
    background-color: #141416;
    width: 100%;
    display: flex;
    padding: 0 70px;
    background: #000;
}

.leftbox {
    width: 40%;
    height: 970px;
    overflow: hidden;
    position: relative;
    border: #000 solid 1px;
    background-image: url("../static/info-img.jpg");
    background-position: center top;
}

.leftbox img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.leftbox .tt1 {
    color: #5fe785;
    position: absolute;
    top: 170px;
    left: 20%;
    font-size: 30px;
    font-weight: 700;
    width: 70%;
}

.leftbox .tt2 {
    color: #fff;
    position: absolute;
    top: 300px;
    left: 20%;
    font-size: 16px;
    line-height: 28px;
    font-weight: 400;
    width: 55%;
}

.iconbox .subbox {
    background-color: #1b1c1e;
    padding: 20px;
    border-radius: 10px;
    box-shadow: rgba(0, 0, 0, 0.3) 0px 0px 30px 0px;
    width: 240px;
    margin-bottom: 30px;
}

.iconbox .subbox .icon {
    display: inline-block;
    width: 60px;
    height: 60px;
    margin-bottom: 60px;
}

.iconbox .subbox h3 {
    color: #5fe785;
    font-weight: 400;
    font-size: 18px;
}

.iconbox .subbox p {
    color: #8a8a8a;
    font-weight: 400;
    font-size: .9em;
    border-bottom: #3f4349 solid 4px;
    padding-bottom: 20px;
}

.rightbox {
    display: flex;
    width: 60%;
    background-color: #141416;
    justify-content: center;
    border-bottom: 1px solid #000;
}

.rightbox .iconbox:first-child {
    position: relative;
    top: -118px;
    margin: 0 16px 0 66px;
}

.rightbox .iconbox:last-child {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.rightbox .iconbox:last-child .subbox {
    margin: 30px 0 0 0;
}

/* 页脚样式 */
.footer {
    background: #141416;
    padding: 60px 0;
    position: relative;
    z-index: 10;
    display: flex;
}

.footer>div {
    width: 20%;
}

.footer .footer_logo {
    width: 40%;
    padding-left: 70px;
}

.footer .footer_logo2 {
    display: none;
}

.footer_nav ul li {
    margin-bottom: 20px;
}

.footer_nav ul li a {
    font-size: 18px;
    color: #8a8a8a;
}

.co {
    font-size: 16px;
    color: #8a8a8a;
}

.co p {
    font-size: 12px;
    padding-top: 30px;
}

.ig {
    padding-right: 70px;
    ;
}

.ig a {
    display: inline-block;
    width: 25px;
    height: 25px;
}

.top_nav ul {
    display: flex;
}

.top_nav ul li {
    margin-left: 30px;
}

.top_nav ul li a {
    color: #fff;
    font-size: 14px;
    font-weight: 400;
    transition: color 0.3s ease;
    display: block;
    height: 50px;
    line-height: 50px;
}

.top_nav ul li a:hover {
    color: #5fe785;
}

.top_nav ul li a.active {
    color: #5fe785;
}

.contact_btn {
    background-color: #5fe785;
    border-radius: 5px;
    color: #000 !important;
    font-size: 16px !important;
    padding: 0 18px;
}

.contact_btn:hover {
    background-color: transparent;
    color: #5fe785 !important;
}

.info_second {
    background-image: url("../static/infosecond.jpg");
    background-repeat: no-repeat;
    background-size: auto auto;
    background-position: center bottom;
    width: 100%;
    height: 890px;
    background-color: #141416;
    text-align: center;
}

.info_second .tt {
    font-size: 56px;
    color: #fff;
    font-weight: 700;
    padding: 70px 0 30px 0;
}

.info_second ul {
    max-width: 1525px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.info_second ul li {
    width: 11%;
    margin: 0 3%;
    min-width: 155px;
}

.info_second ul li div {
    color: #5FE785;
    font-size: 60px;
    font-weight: 700;
}

.info_second ul li p {
    color: #8a8a8a;
    font-size: 14px;
    font-weight: 400;
    height: 35px;
}

.info_second ul li span {
    display: block;
    border-radius: 7px;
    background-color: #3f4349;
    width: 100%;
    height: 4px;
}

.info_thrid {
    width: 100%;
    display: flex;
    justify-content: space-between;
    /* 水平居中 */
    align-items: center;
    /* 垂直居中 */
    padding: 190px 70px 0 70px;
    background-color: #000;
}

.home_subvideo {
    width: 50%;
    height: 800px;
    position: relative;
    overflow: hidden;
    /* 隐藏超出部分 */
    border-radius: 10px;
    /* 可选圆角 */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    /* 可选阴影 */
}

.home_subvideo video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* 填充容器，裁剪多余部分 */
    object-position: center;
    /* 居中显示视频中间部分 */
}

.info_thrid .txt {
    width: 50%;
    padding: 0 12%;
}

.info_thrid .txt div {
    font-size: 30px;
    color: #5FE785;
    font-weight: 700;
    margin-bottom: 25px;
}

.info_thrid .txt p {
    font-size: 16px;
    color: #8a8a8a;
    font-weight: 400;
    line-height: 29px;
}


.info_thrid .txt a {
    background-color: #5fe785;
    color: #000 !important;
    padding: 15px 30px;
    margin-top: 30px;
    transition: background-color 0.3s ease;
    border-radius: 5px;
    display: inline-block;
}

.info_thrid .txt a:hover {
    background-color: #141416;
    color: #fff !important;
}

.partner {
    background-color: #000;
    text-align: center;
}

.partner .tt {
    color: #fff;
    font-size: 56px;
    font-weight: 700;
    padding: 100px 0 40px 0;
}

.home-slider {
    width: 475px;
    height: auto;
}

.home-slider .swiper-wrapper .swiper-slide div {
    line-height: 25px;
    color: #8a8a8a;
    font-size: 18px;
}

.home-slider .swiper-wrapper .swiper-slide p {
    color: #fff;
    font-size: 17px;
    padding: 35px 0;
}

.swiper-pagination-clickable .swiper-pagination-bullet {
    background-color: #7f3131;
    width: 6px;
    height: 6px;
}

.swiper-pagination-bullet-active {
    background-color: #fff !important;
}

.partner-icon {
    display: flex;
    justify-content: space-around;
}

.c_box1 .alph {
    background: rgba(27, 28, 30, 0.5);
    width: 100%;
    height: 118px;
    position: absolute;
    bottom: 0;
    left: 0;
}

.c_box1 {
    position: relative;
}

.c_box1 .txt {
    position: absolute;
    top: 50%;
    left: 70px;
    transform: translate(0, -50%);
    /* text-align: center; */
    color: white;
    width: 50%;
    max-width: 800px;
}

.txt div {
    font-size: 3vw;
    /* 响应式字体大小 */
    margin-bottom: 2vw;
}

.txt p {
    font-size: 1.4vw;
    line-height: 1.4;
}

.c_banner img {
    width: 100%;
}

.c_box2 {
    background-color: #1a1a1c;
    padding: 20px 25% 80px 25%;
}

.c_box2 .tt {
    color: #fff;
    font-size: 4em;
    margin-bottom: 30px;
}

.c_box2 .tt2 {
    font-size: 1em;
    color: #8a8a8a;
}

.c_box3 {
    background-color: #141416;
    padding: 0 70px;
    display: flex;
}

.c_box3 .photo {
    width: 45%;
    border: 1px solid #000;
}
.c_box3 .photo img {
    width: 100%;
}

.c_box3 .boxtxt {
    position: relative;
    width: 55%;
    border: 1px solid #000;
    border-left: none;
}

.c_box3 .boxtxt .tbox {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translate(40%, -50%);
    /* text-align: center; */
    color: white;
    width: 60%;
    max-width: 800px;
}

.c_box3 .boxtxt .tbox .tt {
    font-size: 2vw;
    margin-bottom: 2vw;
    color: #5FE785
}

.c_box3 .boxtxt .tbox .tt2 {
    font-size: 1.1em;
    line-height: 1.4;
    color: #8a8a8a;
}

.c_box4 {
    flex-direction: row-reverse;
}

.c_box4 .boxtxt {
    border-left: 1px solid #000 !important;
    border-right: none;
    border-top: none;
}

.c_box4 .photo {
    border-top: none;
}

/* contact us */

.c_box4 {
    background-color: #141416;
}

.c4_container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.c_header {
    text-align: center;
    padding: 60px 0 40px;
}

.c_header h1 {
    font-size: 48px;
    font-weight: 700;
    letter-spacing: 2px;
    color: #fff;
}

/* 联系信息区域 */
.contact-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.info-column {
    flex: 1;
    min-width: 300px;
    padding: 0 20px;
    margin-bottom: 30px;
}

.info-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
    color: #fff;
}

.info-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: #fff;
}

.info-content {
    font-size: 16px;
    line-height: 1.8;
    color: #8a8a8a;
}

.contact-links {
    margin-top: 15px;
}

.contact-links a {
    color: #fff;
    text-decoration: none;
    margin-right: 15px;
    font-size: 20px;
    transition: opacity 0.3s;
}

.contact-links a:hover {
    opacity: 0.7;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.hours-day {
    font-weight: 600;
}

/* 地图区域 */
.map-section {
    padding-bottom: 80px;
}

.map-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
}

.map-container {
    position: relative;
    height: 500px;
    background-color: #f5f5f5;
    border-radius: 8px;
    overflow: hidden;
}

.map-controls {
    position: absolute;
    top: 15px;
    left: 15px;
    z-index: 10;
}

.map-btn {
    background-color: #fff;
    border: none;
    padding: 8px 15px;
    font-size: 14px;
    cursor: pointer;
    margin-right: 5px;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.map-btn.active {
    background-color: #000;
    color: #fff;
}

.map-scale {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    color: #000;
}

.map-legend {
    position: absolute;
    bottom: 15px;
    left: 15px;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    color: #000;
}

.map-credit {
    text-align: center;
    margin-top: 10px;
    font-size: 12px;
    color: #aaa;
}

.slt_bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    /* 高度稍微增加 */
    z-index: 1;
    overflow: hidden;
}

.slt_bg img {
    width: 100%;
    height: 110vh;
    /* 图片高度大于容器 */
    object-fit: cover;
    position: relative;
    top: 0;
    /* 关键：背景固定，图片相对移动 */
    animation: parallaxEffect linear forwards;
    animation-timeline: scroll(root);
}

.slt_info {
    margin-top: 0 !important;
}

.slt_info .box1 {
    background-color: #1a1a1c;
    width: 100%;
    height: 80vh;
    position: relative;
    /* 定位上下文 */
}

.slt_info .box1 .photo {
    position: absolute;
    width: 55%;
    height: 55%;
    top: 50%;
    left: 6%;
    transform: translate(0%, -50%);
    /* 居中 */
    overflow: hidden;
}

.slt_info .box1 .photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slt_info .box1 .txt {
    background-color: #141416;
    position: absolute;
    width: 55%;
    height: 65%;
    bottom: 0%;
    right: 6%;
    padding: 0 10%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.slt_info .box1 .txt h1 {
    color: #5FE785;
    font-size: 4em;
    font-weight: 400;
}

.slt_info .box1 .txt .txtp {
    color: #8a8a8a;
    font-size: 1em;
}

.slt_info .box2 {
    height: 50vh;
    color: #fff;
    padding: 0 6%;
    display: flex;
    align-items: center;
}

.slt_info .box2 .txt {
    width: 70%;
    font-size: 4em;
}

.slt_info .box3 {
    background-color: #141416;
    padding: 60px 0;
}

.service_container {
    padding: 0 3%;
}

/* 标题样式 */
.section-title {
    text-align: center;
    color: #5FE785;
    font-size: 4rem;
    margin-bottom: 20px;
    font-weight: 400;
}

/* 描述文本样式 */
.section-description {
    text-align: center;
    color: #8a8a8a;
    /* 灰色 */
    max-width: 800px;
    margin: 0 auto 60px;
    font-size: 1.3rem;
    line-height: 1.8;
}

/* 服务卡片容器 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

/* 服务卡片样式 */
.service-card {
    background-color: #111;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid #3f4349
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(76, 175, 80, 0.1);
}

.service-icon {
    background-color: #222;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: #4CAF50;
    font-size: 2rem;
}

.service-title {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 15px;
    font-weight: 400;
    padding: 0 3%;
}

.slt_info .box3 .contact {
    text-align: center;
    padding: 100px 0;
}

.slt_info .box3 .contact a {
    background-color: #5fe785;
    color: #000;
    padding: 12px 70px;
    transition: color 0.3sease;
    border-radius: 5px;
    display: inline-block;
    margin: 0 auto;
    font-size: 1.2em;
    border: 1px solid #5fe785;
}

.slt_info .box3 .contact a:hover {
    background-color: #141416;
    color: #5FE785;
    border: 1px solid #fd6262;
}

.solu-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* solutions */
.slt_info .box4 {
    background-color: #000;
    padding: 60px 0;
}

.solu-title {
    text-align: center;
    color: #5FE785;
    font-size: 4rem;
    margin-bottom: 20px;
    font-weight: 400;
    letter-spacing: 1px;
}

/* 描述文本样式 */
.solu-description {
    text-align: center;
    color: #ccc;
    max-width: 900px;
    margin: 0 auto 40px;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* 标签样式 */
.tags-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 60px;
}

.tag {
    background-color: #222;
    color: #4CAF50;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 解决方案卡片容器 */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* 解决方案卡片样式 */
.solution-card {
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(76, 175, 80, 0.15);
}

.solution-image {
    width: 100%;
    background-color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    font-size: 1.2rem;
    position: relative;
    overflow: hidden;
}

.solution-image img {
    width: 100%;
}

.solution-content {
    padding: 25px;
}

.solution-title {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.solution-industries {
    color: #8a8a8a;
    font-size: 1rem;
    margin-bottom: 20px;
    font-weight: 500;
}

.solution-scope {
    color: #8a8a8a;
    font-size: 0.95rem;
    line-height: 1.6;
}

.slt_info .box5 .boxtxt .tbox .tt {
    color: #fff !important;
}

.slt_info .box5 .photo {
    border: 1px solid #3f4349;
}

.slt_info .box5 .boxtxt {
    border: 1px solid #3f4349;
}

.chibox1 {
    background-color: #000;
    height: 100vh;
    position: relative;
}

.chibox1 .cninfo {
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translate(-50%, -35%);
    /* text-align: center; */
    color: white;
    width: 50%;
    max-width: 800px;
}

.chibox1 .cninfo h1 {
    text-align: center;
    color: #5FE785;
    font-size: 3em;
}

.chibox1 .cninfo .discrip {
    font-size: 2em;
}

.chibox1 .chibg1 {
    position: absolute;
    bottom: 0;
    left: 10%;
    width: 80%;
}

.chibox2 {
    background-color: #5FE785;
}

.chibox2 .cninfo h1,
.chibox2 .cninfo .discrip {
    color: #000;
}

.chibox3 {
    background-color: #000;
}

.chibox3 .chisubbox {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 0;
}

/* 标题样式 */
.chibox3 .chisubbox .chi-subtitle {
    text-align: center;
    color: #5FE785;
    /* 绿色 */
    font-size: 3em;
    margin-bottom: 60px;
    font-weight: 700;
    letter-spacing: 2px;
}

/* 核心优势网格布局 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

/* 核心优势卡片样式 */
.advantage-card {
    height: 100%;
    display: flex;
    align-items: flex-start;
}

.advantage-icon {
    width: 50%;
    height: auto;
    margin-right: 30px;
}

.advantage-icon img {
    width: 100%;
    height: auto;
}

.advantage-content {
    flex: 1;
}

.advantage-title {
    color: #fff;
    font-size: 1.6rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.advantage-description {
    color: #8a8a8a;
    font-size: 1em;
    line-height: 1.8;
}

.more_solution {
    max-width: 1200px;
    margin: 0 auto;
}

/* chi中文 */
.chibox4 {
    padding: 60px 0;
    background-color: #000;
}

.mslt-title {
    text-align: center;
    color: #5FE785;
    /* 绿色 */
    font-size: 2.8rem;
    margin-bottom: 60px;
    font-weight: 700;
    letter-spacing: 2px;
}

/* 解决方案容器 */
.mslt-container {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

/* 单个解决方案样式 */
.mslt-item {
    text-align: center;
    width: 30%;
}

.mslt-image {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background-color: #222;
    margin: 0 auto 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* 电子外壳产品样式 */
.electronic-product {
    background: linear-gradient(135deg, #333 0%, #555 100%);
}


/* 美妆产品样式 */
.cosmetic-product {
    background: linear-gradient(135deg, #f0f0f0 0%, #d0d0d0 100%);
}

.cosmetic-bottle {
    width: 60px;
    height: 100px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 30px 30px 10px 10px;
    position: relative;
}

.cosmetic-bottle::before {
    content: "";
    position: absolute;
    top: 15px;
    left: 5px;
    width: 50px;
    height: 70px;
    background-color: rgba(200, 220, 255, 0.5);
    border-radius: 25px 25px 5px 5px;
}

.cosmetic-cap {
    width: 70px;
    height: 15px;
    background-color: #e0e0e0;
    border-radius: 35px 35px 0 0;
    position: absolute;
    top: -15px;
    left: -5px;
}

.cosmetic-base {
    width: 120px;
    height: 10px;
    background-color: #fff;
    position: absolute;
    bottom: -5px;
    left: -30px;
    border-radius: 5px;
}

/* 食品包装样式 */
.food-product {
    background: linear-gradient(135deg, #f5f5dc 0%, #e0e0c0 100%);
}

.food-container {
    width: 160px;
    height: 100px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-content: space-around;
    padding: 10px;
}

.dumpling {
    width: 25px;
    height: 15px;
    background-color: #8bc34a;
    border-radius: 12px;
    position: relative;
}

.dumpling::before {
    content: "";
    position: absolute;
    top: 3px;
    left: 5px;
    width: 15px;
    height: 9px;
    background-color: #7cb342;
    border-radius: 7px;
}

.food-lid {
    width: 170px;
    height: 15px;
    background-color: rgba(240, 240, 240, 0.9);
    border-radius: 8px 8px 0 0;
    position: absolute;
    top: -15px;
    left: -5px;
}

/* 解决方案文字样式 */
.mslt-title1 {
    color: #fff;
    font-size: 1.4rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.mslt-subtitle {
    color: #ccc;
    font-size: 1rem;
}

/* 标签样式 */
.mslttags-container {
    text-align: center;
    margin-top: 20px;
}

.mslt_tag {
    display: inline-block;
    color: #888;
    font-size: 0.9rem;
    margin: 0 8px;
}

@keyframes parallaxEffect {
    0% {
        transform: scale(1) translateY(0);
    }

    100% {
        transform: scale(1.2) translateY(-10%);
    }
}

/* 
/* 响应式调整 */
/* 小型设备（竖屏手机，≥576px） */
@media (min-width: 576px) {
    /* 小型平板或大屏手机 */
}

/* 中等设备（平板，≥768px） */
@media (max-width: 768px) {

    html,
    body {
        font-family: poppins-semibold, poppins, sans-serif !important;

    }

    /* 平板电脑 */
    .header {
        display: none;
    }

    .m_header {
        position: sticky;
        top: 0;
        left: 0;
        width: 100%;
        display: flex;
        padding: 26px 5%;
        z-index: 1000;
        transition: background-color 0.3sease;
        background-color: #141416;
        justify-content: space-between;
        align-items: center;
    }

    .open_nav {
        width: 35px;
        height: 35px;
        display: flex;
        flex-direction: column;
        justify-content: space-around;
    }

    .open_nav span {
        display: inline-block;
        height: 2px;
        width: 100%;
        background-color: #fff;
    }

    .right_nav {
        display: flex;
        align-items: center;
    }

    .contact_btn {
        padding: 12px 16px;
        margin-right: 20px;
    }

    .banner_vedio .txt {
        padding: 0;
        width: 100%;
        height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }

    .banner_vedio .txt h1 {
        font-size: 2.2em;
        font-weight: 400;
    }

    .banner_vedio .txt h2 {
        font-size: 1.4em;
        font-weight: normal;
    }

    .banner_vedio .txt a {
        width: 50%;
        margin: 30px auto;
    }

    .infobg {
        flex-direction: column;
        padding: 0;
    }

    .infobg .leftbox {
        width: 100%;
        height: auto;
        padding: 60px 0;
    }

    .leftbox .tt1 {
        width: 100%;
        left: 0;
        font-weight: 400;
        text-align: center;
        position: inherit;
        top: 0;
        margin-bottom: 30px;
    }

    .leftbox .tt2 {
        font-weight: normal;
        text-align: center;
        position: inherit;
        top: 0;
        font-size: 1.2em;
    }

    .rightbox {
        flex-direction: column;
        width: 100%;
        padding: 0 5%;
    }

    .iconbox .subbox {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 40px;
    }

    .rightbox .iconbox:first-child {
        position: inherit;
        margin: 0;
    }

    .rightbox .iconbox:first-child .subbox:last-child {
        margin-bottom: 0;
    }

    .iconbox .subbox .icon {
        display: inline-block;
        width: 70px;
        height: 70px;
        margin-bottom: 0;
    }

    .iconbox .subbox .icon img {
        width: 100%;
    }

    .iconbox .subbox h3 {
        font-size: 1.3em;
        font-weight: bold;
        margin: 20px 0;
        text-align: center;
    }

    .iconbox .subbox p {
        font-size: 1.2em;
        text-align: center;
    }

    .info_second .tt {
        font-size: 2.2em;
        font-weight: normal;
        width: 70%;
        margin: 0 auto;
    }

    .info_second {
        height: auto
    }

    .info_second ul {
        flex-direction: column;
        align-items: center;
    }

    .info_second ul li {
        margin: 0 0 1.2em 0;
    }

    .info_second ul li div {
        font-weight: normal;
    }

    .info_second ul li p {
        font-size: 1.3em;
        height: auto;
        margin: 0.5em 0 1.2em 0;
    }

    .info_thrid {
        flex-direction: column;
        padding: 0;
    }

    .home_subvideo {
        width: 100%;
        height: auto;
    }

    .info_thrid .txt {
        width: 100%;
        padding: 21px 3%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .info_thrid .txt div {
        font-weight: normal;
    }

    .info_thrid .txt p {
        font-size: 1.2em;
    }

    .info_thrid .txt a {}

    .home-slider {
        width: 70%;
    }

    .home-slider .swiper-wrapper .swiper-slide div {
        font-size: 1.3em;
    }

    .partner-icon {
        flex-direction: column;
        align-items: center;
    }

    .partner-icon div {
        width: 30%;
    }

    .footer {
        flex-direction: column;
        align-items: center;
    }

    .footer .footer_logo {
        display: none;
    }

    .footer .footer_logo2 {
        display: block;
        margin-bottom: 40px;
    }

    .footer>div {
        width: auto;
    }

    .footer .footer_logo2 a {
        display: block;
        width: 240px;
        height: 75px;
        background-image: url('../static/logo.svg');
        background-size: contain;
        background-repeat: no-repeat;
        background-position: center;
        text-indent: -9999px;
        /* 隐藏alt文本 */
        overflow: hidden;
    }

    .footer_nav ul li {
        text-align: center;
    }

    .footer_nav ul li a {
        font-size: 1.6em;
    }

    .co,
    .co p {
        font-size: 1.2em;
        text-align: center;
        font-weight: 400;
    }

    .ig {
        padding: 0;
    }

    .ig a {
        width: 30px;
        height: 30px;
    }

    .c_header h1 {
        font-size: 36px;
    }

    .info-column {
        min-width: 100%;
    }

    .map-container {
        height: 400px;
    }

    .c_banner {
        height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
        overflow: hidden;
    }

    .c_banner img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center;
    }

    .c_box1 .txt {
        padding: 0 5%;
        left: 0;
        width: 100%;
        text-align: center;
    }

    .c_box1 .txt div {
        font-size: 2.4em;
        /* margin-bottom: 2vw; */
    }

    .c_box1 .txt p {
        font-size: 1.5em;
        line-height: 1.8;
    }

    .c_box2 {
        padding: 20px 5% 80px 5%;
    }

    .c_box2 .tt {
        font-size: 2.4em;
        /* margin-bottom: 2vw; */
    }

    .c_box2 .tt2 {
        font-size: 1.3em;
    }

    .c_box3 {
        flex-direction: column;
        padding: 0;
    }

    .c_box3 .photo {
        width: 100%;
    }

    .c_box3 .boxtxt {
        width: 100%;
    }

    .c_box3 .boxtxt .tbox {
        position: relative;
        top: 0;
        transform: translate(0, 0);
        /* text-align: center; */
        color: white;
        width: 100%;
        max-width: 800px;
        padding: 30px 5%;
    }

    .c_box3 .boxtxt .tbox .tt {
        font-size: 2.1em;
    }

    .c_box3 .boxtxt .tbox .tt2 {
        line-height: 1.8;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .slt_info .box1 {
        height: auto;
    }

    .slt_info .box1 .photo {
        width: 100%;
        position: static;
        padding-top: 10%;
        transform: translate(0%, 0%);
    }

    .slt_info .box1 .txt {
        position: static;
        width: 100%;
        padding: 30px 5%;
    }

    .slt_info .box2 {
        height: auto;
        padding: 30px 5%;
    }

    .slt_info .box2 .txt {
        font-size: 3.5em;
        width: 100%;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .chibox3 .chisubbox .chi-subtitle {
        font-size: 2.2rem;
    }

    .advantage-card {
        flex-direction: column;
        align-items: center;
    }

    .advantage-icon {
        margin-right: 0;
        margin-bottom: 20px;
        width: 100%;
    }
    .advantage-title{
        font-weight: 400;
    }
    .advantage-content {
        padding:0 5%
    }

    .mslt-container {
        flex-direction: column;
        align-items: center;
    }

    .mslt-item {
        width: 100%;
        max-width: 300px;
        margin-bottom: 40px;
    }

    .mslt-title {
        font-size: 2.2rem;
    }

    .tags-container {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }

    .mslt_tag {
        margin: 5px 8px;
    }
    .chibox1 .cninfo h1{
        font-weight: 400;
    }
    .chibox1 {
        height: auto;
    }

    .chibox1 .cninfo {
        position: inherit;
        width: 100%;
        top: 0;
        left: 0;
        transform: translate(0%, 0%);
        padding:30px 5%;
    }
    .chibox1 .chibg1{
        width: 100%;
        position: static;
    }
    .chibox1 .cninfo .discrip{
        font-size: 1.8em;
    }
    .solu-title{
        font-size: 3em;
    }
    .mslt_tag{
        font-size: 1.2em;
    }
}

/* 大型设备（桌面，≥992px） */
@media (min-width: 992px) {
    /* 小桌面 */
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .mslt-image {
        width: 220px;
        height: 220px;
    }
}

/* 超大设备（大桌面，≥1200px） */
@media (min-width: 1200px) {
    /* 大桌面 */
}

/* 超宽设备（≥1400px） */
@media (min-width: 1400px) {
    /* 超宽屏幕 */
}