html {
  font-size: 15px;
  width: 100%;
  min-height: 100%;
  overflow: hidden;
  overflow-y:auto;
  height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  width: 100%;
  position: relative;
  min-height: 100%;
  overflow-x: hidden;
  background: #fff;
  color: #2a3341;
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  background-color: #f5f5f5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a:hover{
  color:inherit;
}

.shade_mask {
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 9999;
  background: #fff;
}

/* 首屏要带得样式 */
.first_part {
  padding-top: 120px;
}

.part_padding {
  padding: 40px 0;
}

/* 通用样式 */
.dik {
  width: 100%;
  text-align: center;
}

.did {
  width: 94%;
  max-width: 1260px;
  margin: auto;
  position: relative;
}
.relative {
  position: relative;
}
.left{
  text-align: left; 
}


.footer {
  background: #262626;
  padding: 40px 0;
  color: #ffffff99;
  text-align: left;
}
.footer_list{
  display:flex;
  justify-content: space-between;
  padding: 30px 0;
}
.footer_list_item{
  flex:0 0 35%;
}
.footer_list_item_title{
  opacity:0.7;
  font-size:20px;
  font-weight:bold;
  line-height:34px;
  margin: 15px 0;
}
.footer_list_item_subtitle{
  font-size:14px;
  line-height:30px;
  color:#ffffff99;
  margin: 15px 0;
}
.footer_list_item_icon{
  width: 24px;
  height:24px;
  line-height:24px;
  text-align: center;
  border-radius:50%;
  display:inline-block;
  vertical-align: middle;
  margin-right: 10px;
  background:rgba(255,255,255,0.2);
}
.footer_list_item_icon img{
  width:80%;
}
.footer_list_item_right{
  display:flex;
  justify-content: space-between;
}
.footer_list_right_item{
  flex:0 0 26%;
  white-space: nowrap;
}
.footer_list_right_title{
  font-size:15px;
  font-weight:bold;
  line-height:34px;
  margin:0 0 15px 0;
  border-bottom:1px solid #ffffff99;
}
.footer_list_right_link{
  display:block;
  font-size:14px;
  line-height:24px;
  color:#ffffff99;
  margin:15px 0;
}
.footer_list_copy{
  background:#1e1e1e;
  padding:20px 0;
  color:#ffffff99;
  font-size:14px;
}

.home_title{
  font-size:24px;
  font-weight:bold;
  color:#2e79bf;
  line-height:40px;
  margin:15px 0;
  text-align: left; 
}

.home_part1 {
  background: url(../img/home/back1.jpg) 0 0 no-repeat;
  background-size: 100% 100%;
  color: #fff;
}

.home_part1_dik {
  background: rgba(46, 121, 191, 0.5);
  width: 100%;
}
.header_title{
  font-size:24px;
  font-weight:bold;
  color:#fff;
  line-height:30px;
  text-align: left; 
  padding: 90px 0 20px;
}



/* 动画 */
@keyframes huangahuang{
  0%{transform:translate(0,0);}
  5%{transform:translate(-2px,-2px);}
  17.85%{transform:translate(2px,-2px);}
  30.7%{transform:translate(2px,2px);}
  43.57%{transform:translate(-2px,2px);}
  56.43%{transform:translate(-2px,-2px);}
  69.29%{transform:translate(-2px,2px);}
  82.14%{transform:translate(2px,2px);}
  95%{transform:translate(-2px,-2px);}
  100%{transform:translate(0, 0);}
}
@keyframes shadeAndShade {
  0% {
    transform: translatex(0) rotate(0);
  }

  5% {
    transform: translatex(-15px) rotate(-15deg);
  }

  10% {
    transform: translatex(15px) rotate(15deg);
  }

  15% {
    transform: translatex(-15px) rotate(-15deg);
  }

  20% {
    transform: translatex(15px) rotate(15deg);
  }

  25% {
    transform: translatex(0) rotate(0);
  }
}

@keyframes fadeIn {
  0% {
    opacity: 0
  }

  100% {
    opacity: 1
  }
}

@keyframes slideUp {
  0% {
    opacity: 0;
    transform: translatey(100px);
  }

  100% {
    opacity: 1;
    transform: translatey(0px);
  }
}

@keyframes slideDown {
  0% {
    opacity: 0;
    transform: translatey(-100px);
  }

  100% {
    opacity: 1;
    transform: translatey(0px);
  }
}

@keyframes slideLeft {
  0% {
    opacity: 0;
    transform: translatex(100px);
  }

  100% {
    opacity: 1;
    transform: translatex(0px);
  }
}

@keyframes slideRight {
  0% {
    opacity: 0;
    transform: translatex(-100px);
  }

  100% {
    opacity: 1;
    transform: translatex(0px);
  }
}

@keyframes minAni {
  0% {
    transform: scale(1.2, 1.2);
    opacity: 0;
  }

  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}

@keyframes strong {
  0% {
    transform: rotate(0) scale(1, 1);
  }

  70% {
    transform: rotate(0) scale(1, 1);
  }

  75% {
    transform: rotate(0) scale(1.1, 1.1);
  }

  77% {
    transform: rotate(-15deg) scale(1.1, 1.1);
  }

  79% {
    transform: rotate(15deg) scale(1.1, 1.1);
  }

  81% {
    transform: rotate(-15deg) scale(1.1, 1.1);
  }

  83% {
    transform: rotate(15deg) scale(1.1, 1.1);
  }

  85% {
    transform: rotate(-15deg) scale(1.1, 1.1);
  }

  87% {
    transform: rotate(15deg) scale(1.1, 1.1);
  }

  89% {
    transform: rotate(-15deg) scale(1.1, 1.1);
  }

  91% {
    transform: rotate(0) scale(1.1, 1.1);
  }

  96% {
    transform: rotate(0) scale(1, 1);
  }
}

@keyframes scaleAndScale {
  0% {
    transform: scale(1, 1);
  }

  10% {
    transform: scale(1.1, 1.1);
  }

  20% {
    transform: scale(1, 1);
  }

  30% {
    transform: scale(1.1, 1.1);
  }

  40% {
    transform: scale(1, 1);
  }

  100% {
    transform: scale(1, 1);
  }
}

.delay1 {
  animation-delay: 0.4s;
}

.delay2 {
  animation-delay: 0.8s;
}

.delay3 {
  animation-delay: 1.2s;
}

.delay4 {
  animation-delay: 1.6s;
}

.delay5 {
  animation-delay: 2s;
}

.delay6 {
  animation-delay: 2.4s;
}

.delay7 {
  animation-delay: 2.8s;
}

.delay8 {
  animation-delay: 3.2s;
}


@media screen and (max-width:900px) {
  .first_part {
    padding-top: 80px;
  }
  .part_padding{
    padding: 20px 0;
  }
  .footer{
    padding: 10px 0;
  }
  .footer_list{
    flex-wrap:wrap;
    padding: 15px 0;
  }
  .footer_list_item{
    flex:0 0 100%;
  }
  .footer_list_item_title{
    font-size:14px;
    line-height:24px;
    margin: 5px 0;
  }
  .footer_list_item_subtitle{
    font-size:12px;
    line-height:20px;
    margin: 5px 0;
  }
  .footer_list_right_title{
    font-size: 12px;
    line-height:20px;
    margin:0 0 5px 0;
  }
  .footer_list_right_link{
    font-size:12px;
    line-height:20px;
    margin: 5px 0;
  }
  .footer_list_copy{
    font-size:12px;
    padding: 5px 0;
  }
  .home_title{
    font-size:16px;
    margin:10px 0;
    line-height:24px;
  }
  .header_title{
    font-size:18px;
    line-height:24px;
    padding: 40px 0 10px;
  }
  .home_part1{
    background-size: auto 100%;
  }
}

/* 移动端字体优化 */
@media screen and (max-width: 768px) {
  body {
    font-size: 18px; /* 移动端增大基础字体 */
    line-height: 1.6;
  }
}

@media screen and (max-width: 480px) {
  body {
    font-size: 20px; /* 小屏幕设备进一步增大字体 */
    line-height: 1.6;
  }
}

/* 确保所有文本元素都有合适的字体大小 */
p, div, span, li {
  font-size: inherit;
  line-height: inherit;
}

/* 标题字体优化 */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  margin: 0.5em 0;
}

h1 { font-size: 1.8em; }
h2 { font-size: 1.6em; }
h3 { font-size: 1.4em; }
h4 { font-size: 1.2em; }
h5 { font-size: 1.1em; }
h6 { font-size: 1em; }

/* 移动端标题字体 */
@media screen and (max-width: 768px) {
  h1 { font-size: 2em; }
  h2 { font-size: 1.8em; }
  h3 { font-size: 1.6em; }
  h4 { font-size: 1.4em; }
  h5 { font-size: 1.2em; }
  h6 { font-size: 1.1em; }
}