.pad{
  padding: 0 15%; 
}
.navbar{
  display: flex;
  position: fixed;
  top: 0;
  padding: 6px 100px;
  background: rgba(0, 0, 0, .6);
  color: #fff;
  width: 100%;
  z-index: 999;
  box-sizing: border-box;
}
.navbar .img {
  width: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 200px;
}
.navbar .img img {
  width: 100%;
}
.navbar-list{
  display: flex;
  align-items: center;
}
.navbar-list >div{
  margin: 0 100px;
  cursor: pointer;
}
.about{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 0 100px 0;
}
.about-logo{
  position: relative;
}
.about-name{
  color: #fff;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  font-size: 24px;
  font-weight: bold;
}
.about-info{
  font-size: 20px;
  margin-top: 50px;
}
.product-info{
  width: 100%;
  height: 100%;
  background-color: #3B3B4E;
  color: #fff;
  padding: 50px 15% ;
  display: flex;
  justify-content: space-between;
  box-sizing: border-box;
}
.product-info .img{
  width: 100%;
  margin-left: 24px;
}
.product-info .info{
  width: 100%;
}
.product-info .info >div{
  margin-bottom: 30px;
}
.yw{
  display: flex;
  justify-content: space-between;
  position: relative;
  margin: 50px 0;
}
.yw .img{
  width: 65%;
}
.yw-info{
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}
.yw-title-box{
  width: 100%;
  display: flex;
  justify-content: flex-end;
}
.yw-title{
  padding: 12px 24px;
  background-color: #7171F8;
  display: inline-block;
  color: #FFFF87;
  font-size: 30px;
  display: flex;
  align-items: center;
}
.yw-name{
  padding: 0 5% 0 15%;
  color: #000;
  font-size: 24px;
}
.yw-ab{
  width: 100%;
  height: 500px;
  background-color: #f7f7f7;
  position: absolute;
  bottom: 0;
  z-index: -1;
}
.yw-6{
  width: 80px;
  position: absolute;
  bottom: 60px;
  left: 40px;
  z-index: -1;
}
.bx-box{
  margin: 50px 0;
}
.bx-title{
  display: flex;
}
.bx-td{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 50px 3% 50px 15%;
}
.bx-td-font{
  color: #000;
  font-size: 24px;
}
.bx-td-gj{
  padding: 50px 10% 110px 3%;
}
.bx-flex{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 100px 0;
}
.banner img{
  width: 100%;
}
.bx-flex-list{
  padding: 0 48px 0 15%;
}
.bx-flex-img{
  width: 70%;
}
.bx-item-desc{
  color: #1D1D1D;
  font-size: 16px;
  line-height: 34px;
}
.list-box{
  display: flex;
  align-items: center;
  margin-bottom: 24px;
}
.gj{
  margin: 50px 0;
}
.gj-list{
  padding: 0 15%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.gj-info{
  background-color: #F7F7F7;
  border-radius: 24px;
  padding: 60px 70px 50px;
  width: 30%;
  margin-bottom: 100px;
  border: 1px solid #f1f1f1;
  position: relative;
  text-align: center;
  box-sizing: border-box;
}
.gj-logo{
  position: absolute;
  left: 50%;
  top: -50px;
  width: 100px;
  transform: translate(-50%, 0);
}
.footer{
  width: 100%;
  height: 400px;
  background-image: linear-gradient(#6D87FB, #7655F3);
}
.numbers {
  -webkit-text-stroke: 1px #7171F8;
  -webkit-text-fill-color : transparent;
  font-size: 100px;
  color:#7171F8;
  }
  .banner-box{
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translate(-50%, 0);
    width: 70%;
    height: 110px;
    background: rgba(0, 0, 0, .5);
    border-radius: 12px;
    padding: 20px 24px;
    /* display: flex;
    align-items: center; */
    overflow: auto;
    white-space: nowrap;
    overflow-y: hidden;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
    ::-webkit-scrollbar {
      display: none; /* Chrome, Safari and Opera */
    }
    overflow-x: hidden;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
  ::-webkit-scrollbar-track {
    display: none; /* Chrome, Safari and Opera */
  }
  }
  .banner-box .img{
    width: 250px;
    border-radius: 12px;
    overflow: hidden;
    display: inline-block;
    cursor: pointer;
  }
  .banner-left{
    position: absolute;
    left: 15%;
    width: 30px;
    height: 100px;
    top: 8%;
    transform: translate(0, -50%);
    background-color: rgba(0, 0, 0, .4);
    color: #fff;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #fff;
    border-radius: 6px;
    cursor: pointer;
    z-index: 9;
  }
  .banner-right{
    position: absolute;
    right: 15%;
    width: 30px;
    height: 100px;
    top: 8%;
    transform: translate(0, -50%);
    background-color: rgba(0, 0, 0, .4);
    color: #fff;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #fff;
    border-radius: 6px;
    cursor: pointer;
    z-index: 9;
  }
  .bottom_bg{
    width: 100%;
    height: 275px;
    background-image: linear-gradient(#7653F3, #69a0ff);
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}
.bottom_bg_l{
    color: #fff;
    font-size: 25px;
    flex: 1;
    display: flex;
    justify-content: center;
}
.bottom_bg_l_title{
    color: #FFFF7C;
    font-size: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    white-space: nowrap;
}
.bottom_bg_l_title1{
    color: #A4DBF3;
    font-size: 20px;
}
.bottom_bg_l_text{
    color: #fff;
    font-size: 25px;
}
.bottom_info{
  width: 100%;
  position: relative;
  bottom: 0;
  z-index: 999999;
}
.info_box{
  width: 100%;
  height: 150px;
  background-color: rgba(9, 44, 142, 1);
  position: relative;
  bottom: 0;
  z-index: 99999;
  color: #7DBBFA;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 40px;
  box-sizing: border-box;
}
.info_items{
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 32px;
  white-space: nowrap;
}
.info_right{
  display: flex;
  align-items: center;
  flex-direction: column;
  font-family: 'CTCuHeiSJ';
}
.info_right img{
  width: 57px;
  height: 57px;
  cursor: pointer;
  margin: 24px 0 7px 0;
}
.info_left{
  display: flex;
  font-family: 'MicrosoftYaHei';
  font-size: 12px;
  align-items: center;
}
.info_left .logo{
  width: 186px;
  height: 75px;
  margin-right: 64px;
}
.info_left .logo img{
  width: 100%;
  height: 100%;
}
.list_info{
  width: 1208px;
  position: relative;
  z-index: 9999;
  margin: 70px auto;
  padding-bottom: 50px;
}
.list_info::-webkit-scrollbar { width: 0 !important }

/* ============================== 响应式适配 ============================== */
html, body{
  width: 100%;
  overflow-x: hidden;
}
img{
  max-width: 100%;
}

/* 大屏笔记本（≤1440px） */
@media screen and (max-width: 1440px){
  .navbar{ padding: 6px 48px; }
  .navbar .img{ margin-right: 100px; }
  .navbar-list > div{ margin: 0 56px; }
  .about-info{ font-size: 18px; }
  .product-info{ padding: 50px 8%; }
  .yw-title{ font-size: 26px; }
  .numbers{ font-size: 76px; }
  .bx-td{ padding: 50px 3% 50px 8%; }
  .bx-td-gj{ padding: 50px 8% 90px 3%; }
  .bx-flex-list{ padding: 0 40px 0 8%; }
  .gj-list{ padding: 0 8%; }
  .gj-info{ padding: 50px 40px 40px; }
  .info_items{ gap: 24px; }
  .bottom_bg_l_title{ font-size: 34px; gap: 30px; }
}

/* 中小笔记本 / 横屏平板（≤1200px） */
@media screen and (max-width: 1200px){
  .navbar{ padding: 6px 24px; }
  .navbar .img{ width: 90px; margin-right: 40px; }
  .navbar-list > div{ margin: 0 28px; font-size: 15px; }
  .pad{ padding: 0 8%; }
  .about-info{ font-size: 17px; }
  .product-info{ padding: 40px 6%; }
  .yw-title{ font-size: 22px; }
  .numbers{ font-size: 64px; }
  .bx-td{ padding: 40px 4% 40px 6%; }
  .bx-td-gj{ padding: 40px 6% 60px 4%; }
  .bx-flex-list{ padding: 0 24px 0 6%; }
  .gj-list{ padding: 0 6%; }
  .gj-info{ width: 45%; padding: 44px 32px 36px; margin-bottom: 70px; }
  .gj-logo{ top: -40px; width: 80px; }
  .info_box{ height: auto; padding: 24px 20px; }
  .info_items{ flex-wrap: wrap; white-space: normal; gap: 10px 24px; }
  .bottom_bg{ height: auto; padding: 50px 20px; }
  .bottom_bg_l_title{ font-size: 30px; gap: 10px 28px; flex-wrap: wrap; white-space: normal; }
  .bottom_bg_l_title1{ font-size: 17px; }
  .bottom_bg_l_text{ font-size: 19px; }
}

/* 平板 / 竖屏（≤992px） */
@media screen and (max-width: 992px){
  .navbar{ padding: 8px 16px; }
  .navbar .img{ width: 70px; margin-right: 20px; }
  .navbar-list{ flex: 1; justify-content: space-around; }
  .navbar-list > div{ margin: 0 10px; }
  .about-info{ font-size: 16px; margin-top: 30px; }
  .product-info{ flex-direction: column; padding: 32px 6%; }
  .product-info .img{ width: 100%; margin: 24px 0 0; }
  .bx-td{ flex-direction: column; align-items: flex-start; gap: 20px; padding: 30px 6%; }
  .bx-td-gj{ padding: 30px 6% 50px; }
  .bx-flex{ flex-direction: column; padding: 50px 0; }
  .bx-flex-list{ width: 100%; padding: 0 6%; box-sizing: border-box; }
  .bx-flex-img{ width: 100%; margin-top: 20px; }
  .list-box{ align-items: flex-start; }
  .gj-info{ width: 100%; padding: 40px 28px 32px; margin-bottom: 60px; }
  .yw-title{ padding: 10px 40px; }
  .bottom_bg_l_title{ font-size: 26px; }
  .info_items{ flex-direction: column; text-align: center; }
}

/* 手机（≤768px） */
@media screen and (max-width: 768px){
  .navbar-list > div{ margin: 0 8px; font-size: 14px; }
  .about-name{ font-size: 20px; }
  .about-info{ font-size: 14px; margin-top: 24px; }
  .product-info{ padding: 24px 5%; }
  .product-info .info > div{ margin-bottom: 20px; }
  .yw-title{ font-size: 18px; padding: 10px 24px; }
  .bx-td-font{ font-size: 18px; }
  .numbers{ font-size: 48px; }
  .bx-item-desc{ font-size: 14px; line-height: 1.8; }
  .bx-flex-list{ padding: 0 5%; }
  .gj-list{ padding: 0 5%; }
  .gj-info{ padding: 32px 20px 26px; }
  .gj-logo{ top: -34px; width: 68px; }
  .bottom_bg{ padding: 36px 16px; }
  .bottom_bg_l_title{ font-size: 22px; gap: 8px 20px; }
  .bottom_bg_l_title1{ font-size: 15px; }
  .bottom_bg_l_text{ font-size: 15px; }
  .info_box{ padding: 20px 14px; }
}

/* 小屏手机（≤480px） */
@media screen and (max-width: 480px){
  .navbar{ padding: 6px 10px; }
  .navbar .img{ display: none; }
  .navbar-list > div{ margin: 0 6px; font-size: 13px; }
  .about-info{ font-size: 13px; }
  .yw-title{ font-size: 16px; padding: 8px 16px; }
  .numbers{ font-size: 40px; }
  .bx-flex-list{ padding: 0 4%; }
  .gj-list{ padding: 0 4%; }
  .bottom_bg_l_title{ font-size: 19px; }
  .info_items{ font-size: 11px; }
}