@font-face {
  font-family: 'Montserrat-ExtraBold';
  src: url('../font/Montserrat-ExtraBold.eot') format('embedded-opentype'), url('../font/Montserrat-ExtraBold.woff') format('woff'), url('../font/Montserrat-ExtraBold.ttf') format('truetype'), url('../font/Montserrat-ExtraBold.svg') format('svg');
  font-weight: normal;
  font-style: normal;
}


/* 去除水平滚动条 */
html {
  overflow-x: hidden;
  overflow-y: auto;
}

/* 使页面滚动顺滑，很重要！！！！！！ */
html,
body {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Montserrat-ExtraBold","SF UI Text", Helvetica, Arial, "PingFang SC", "Source Han Sans SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  /* font-family: "SF UI Text", Helvetica, Arial, "PingFang SC", "Source Han Sans SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; */
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  -moz-font-smoothing: antialiased;
  -ms-font-smoothing: antialiased;
  font-smoothing: antialiased;

  font-weight: 900;


  background-color: black;

  min-width: 375px;

}


/* header */
.header {
  width: 100%;
  height: 60px;
  position: fixed;
  top: 0;
  left: 0;
  background-color: transparent;

  z-index: 2;
  /* transition: .3s;
  opacity: 0; */
}

.header_logo {
  font-size: 30px;
  line-height: 60px;
  color: white;
  text-decoration: none;

  margin-left: 40px;
}

.header_right {
  display: inline;
  position: absolute;
  right: 40px;
}

.header_link {
  font-size: 16px;
  line-height: 60px;
  color: white;
  text-decoration: none;

  margin-left: 44px;

  /* 链接悬浮时下面的横条定位用 */
  position: relative;
}

.header_link:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0px;
  height: 2px;
  background: white;

  transition: .6s;
}

.header_link_active:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: white;
}

.header_link:hover:after {
  width: 100%;
  transition: .6s;
}


/* 汉堡菜单 */
.hamberger_container {
  width: 22px;
  height: 60px;
  background-color: transparent;
  opacity: 0;


  position: absolute;
  top: 0;
  right: 0;

  cursor: pointer;
  z-index: -1;
}




.hamburger {
  padding: 16px 0px;
  display: inline-block;
  cursor: pointer;
  transition-property: opacity, -webkit-filter;
  transition-property: opacity, filter;
  transition-property: opacity, filter, -webkit-filter;
  transition-duration: 0.15s;
  transition-timing-function: linear;
  font: inherit;
  color: inherit;
  text-transform: none;

  background-color: transparent;
  border: 0;
  margin: 0;
  overflow: visible;

  position: absolute;
  left: 0;
}

.hamburger:hover {
  opacity: 1;
}

.hamburger-box {
  width: 22px;
  height: 24px;
  display: inline-block;
  position: relative;
}

.hamburger-inner {
  display: block;
  top: 50%;
  margin-top: -2px;
}


.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
  width: 22px;
  height: 3px;
  background-color: white;
  border-radius: 0px;
  position: absolute;
  transition-property: -webkit-transform;
  transition-property: transform;
  transition-property: transform, -webkit-transform;
  transition-duration: 0.15s;
  transition-timing-function: ease;
}


.hamburger-inner::before,
.hamburger-inner::after {
  content: "";
  display: block;
}

.hamburger-inner::before {
  top: -9px;
  /*       width:75%; */
}

.hamburger-inner::after {
  bottom: -10px;
  width: 70%;
  right: 0;
}

/* Collapse Reverse */
.hamburger--collapse-r .hamburger-inner {
  top: auto;
  bottom: 0;
  transition-duration: 0.15s;
  transition-delay: 0.15s;
  transition-timing-function: cubic-bezier(0.55, 0.055, 0.675, 0.19);
}

.hamburger--collapse-r .hamburger-inner::after {
  top: -18px;
  transition: top 0.3s 0.3s cubic-bezier(0.33333, 0.66667, 0.66667, 1), opacity 0.1s linear;
}

.hamburger--collapse-r .hamburger-inner::before {
  transition: top 0.12s 0.3s cubic-bezier(0.33333, 0.66667, 0.66667, 1), -webkit-transform 0.15s cubic-bezier(0.55, 0.055, 0.675, 0.19);
  transition: top 0.12s 0.3s cubic-bezier(0.33333, 0.66667, 0.66667, 1), transform 0.15s cubic-bezier(0.55, 0.055, 0.675, 0.19);
  transition: top 0.12s 0.3s cubic-bezier(0.33333, 0.66667, 0.66667, 1), transform 0.15s cubic-bezier(0.55, 0.055, 0.675, 0.19), -webkit-transform 0.15s cubic-bezier(0.55, 0.055, 0.675, 0.19);
}


.hamburger--collapse-r.is-active .hamburger-inner {
  -webkit-transform: translate3d(0, -10px, 0) rotate(45deg);
  transform: translate3d(0, -10px, 0) rotate(45deg);
  transition-delay: 0.32s;
  transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
}

.hamburger--collapse-r.is-active .hamburger-inner::after {
  top: 0;
  opacity: 0;
  transition: top 0.3s cubic-bezier(0.33333, 0, 0.66667, 0.33333), opacity 0.1s 0.27s linear;
}

.hamburger--collapse-r.is-active .hamburger-inner::before {
  top: 0;
  -webkit-transform: rotate(90deg);
  transform: rotate(90deg);
  transition: top 0.12s 0.18s cubic-bezier(0.33333, 0, 0.66667, 0.33333), -webkit-transform 0.15s 0.42s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: top 0.12s 0.18s cubic-bezier(0.33333, 0, 0.66667, 0.33333), transform 0.15s 0.42s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: top 0.12s 0.18s cubic-bezier(0.33333, 0, 0.66667, 0.33333), transform 0.15s 0.42s cubic-bezier(0.215, 0.61, 0.355, 1), -webkit-transform 0.15s 0.42s cubic-bezier(0.215, 0.61, 0.355, 1);
}




/* 点击汉堡按钮后出现的内容 */
.header_black_menu_mask {
  widows: 1px;
  height: 100%;
  border-radius: 0px;
  background-color: black;
  /* opacity: .8; */

  position: fixed;
  right: 0;
  top: 0;
  z-index: 2;

  overflow: hidden;
}


.header_hambburger_menu_container {
  position: absolute;
  width: 100%;
  margin-top: 132px;


}


.header_hamburger_menu {
  display: block;
  text-align: left;
  font-family: "Montserrat-ExtraBold","SF UI Text", Helvetica, Arial, "PingFang SC", "Source Han Sans SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 52px;
  line-height: 52px;
  margin-bottom: 44px;
  /* margin-left: 135px; */
  margin-left: 295px;
  margin-right: auto;


  text-decoration: none;
  color: #555555;

  transition: .3s;
}


.header_hamburger_menu:hover {
  color: white;
  transition: .3s;
}


.header_hamburger_menu_active {
  color: white;
  transition: .3s;
}

/* 汉堡图标点击之后出现菜单底部的链接和版权声明 */
.header_hamburger_bottom_container {
  position: absolute;
  bottom: 40px;

  overflow: hidden;
}



.header_hamburger_bottom {
  font-family: "Montserrat-ExtraBold","SF UI Text", Helvetica, Arial, "PingFang SC", "Source Han Sans SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 12px;
  line-height: 12px;
  margin-top: 10px;
  color: #555555;

  /* margin-left: 135px; */
  margin-left: 295px;

  white-space: nowrap;
  /* 文本不换行 */

}


.header_hambburger_link {
  color: #555555;
}

.header_hambburger_link:hover {
  color: white;
  transition: .3s;
}




.socoal_copyright_containter{
  width: 100%;
  background-color: black;
  /* padding-top: 120px; */
}







/* swiper底部渐变遮罩 */
.swiper_gradient_mask {
  width: 110%;
  height: 60px;

  background: -webkit-linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 1));
  /* Safari 5.1 - 6.0 */
  background: -o-linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 1));
  /* Opera 11.1 - 12.0 */
  background: -moz-linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 1));
  /* Firefox 3.6 - 15 */
  background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 1));
  /* 标准的语法（必须放在最后） */

  z-index: 1;
  position: absolute;
  bottom: 0;
  left: -10%;

  display: none;
}




/* blog详情页底部内容 */
.detail_page_bottom{
  width:100%;
  height:132px;
  
  text-align:center;
  margin-top: 192px;
}

.all_articles{
  font-family: "Montserrat-ExtraBold","SF UI Text", Helvetica, Arial, "PingFang SC", "Source Han Sans SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size:36px;
  font-weight: 900;
  line-height:132px;
  color:white;
  text-decoration: none;
  
  margin:0 auto;
  
  /* 鼠标悬浮时下面出现的长条定位用 */
  position: relative;

  
}


.all_articles:after{
    content: "";
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 0;
    height: 4px;
    background: white;

    transition: .6s;

}


.all_articles:hover:after{
    width: 100%;
    transition: .6s;
}


.copyright{
  font-family:"SF UI Text", Helvetica, Arial, "PingFang SC", "Source Han Sans SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-weight: 600;
  font-size:14px;
  line-height:132px;
  color:#B3B3B3;
  
  float:left;
  margin-left:60px;
    
}

.find_me_on_github{
  font-family:"SF UI Text", Helvetica, Arial, "PingFang SC", "Source Han Sans SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-weight: 600;
  font-size:14px;
  line-height:132px;
  color:#B3B3B3;
    
  float:right;
  margin-right:60px;
  
}

.find_me_on_github a{
  color:#B3B3B3;
}


.find_me_on_github a:hover{
  color:white;
  transition: .3s;
}



/* lets talk 文本 */
.lets_talk_containter {
	max-width: 728px;
  margin: 180px auto 0 auto;
  text-align: center;
}

.lets_talk{
  color: white;
  font-size: 8vw;
  line-height: 1;
  margin: 0;
}

.say_hello{
  color: white;
  font-size: 26px;
  line-height: 1;
  margin: 12px 0 0 0;
}


.phone_email_wechat_qq_container{
  width: 776px;
  margin: 0 auto;
  overflow: hidden;
  margin-top: 100px;
}

.phone_container{
  width: 340px;
  height: 120px;
  background-color: #171717;
  margin: 0 24px 48px 24px;
  float: left;
  position: relative;
  cursor: pointer;
}

.phone_hover_rectangle{
  width: 0%;
  height: 120px;
  top: 0;
  position: absolute;
  background-color: #262626;
}

.phone_link{
  position: absolute;
  width: 100%;
  height: 100%;
  /* top: 50%; */
  /* left: 50%; */
  /* transform: translateY(-50%); */
  text-align: center;
  text-decoration: none;
}


.phone_icon_info_container{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
}

.phone_icon{
  margin-bottom: 12px;
}


.phone_img{
  width: 36px;
  height: 36px;
}

.phone_info{
  color: white;
  text-align: center;
  font-size: 20px;
  line-height: 1;
}


/* 超宽屏幕上为let's talk文本设置最大字号 */
@media screen and (min-width:1681px){
  .lets_talk {
    font-size: 133px;
}
}




/* 汉堡菜单 */
@media screen and (max-width:801px) {

  .header_link {
    visibility: hidden;
    opacity: 0;
    transition: .3s;
    -webkit-user-select: none;
    -webkit-user-drag: none;
    display: none;
  }



  .hamberger_container {
    opacity: 1;
    z-index: auto;

  }


}




/* 页面宽度大于768px小于1025px时 */
@media screen and (max-width: 1025px) and (min-width:768px) {

  .header_right {
    right: 30px;
  }

  .header_logo {
    margin-left: 30px;
  }

  .copyright {
    margin-left: 30px;
}


.find_me_on_github {
  margin-right: 30px;
}
  
}



/* 页面宽度大于499px小于924px时 */
@media screen and (max-width: 859px) and (min-width:658px) {

  .header_right {
    right: 30px;
  }

  .header_logo {
    margin-left: 30px;
  }

}




/* 页面宽度小于500px时 alltabs */
@media screen and (max-width: 659px) {
    .header_right {
      right: 30px;
    }
  
    .header_logo {
      margin-left: 30px;
    }
}


@media screen and (max-width: 500px) and (min-width:411px) {
  .header_right {
    right: 20px;
  }

  .header_logo {
    margin-left: 20px;
  }


}





@media screen and (max-width: 411px) {

  .header_logo {
    margin-left: 20px;
  }


  .header_right {
    right: 20px;
  }
}


/* 页面宽度小于415px时 */
@media screen and (max-width: 415px) and (min-width:375px) {

  .header_logo {
    margin-left: 20px;
    font-size: 24px;
  }


  .header_right {
    right: 20px;
  }

  .header_hamburger_menu {
    /* margin-left: 96px; */
    margin-left: 256px;
    /* margin-left: 217px; */
  }


  .header_hamburger_bottom {
    /* margin-left: 96px; */
    margin-left: 256px;
    /* margin-left: 217px; */

  }

}


@media screen and (max-width:376px) {
  .header_logo {
    margin-left: 20px;
    font-size: 24px;
  }


  .header_right {
    right: 20px;
  }


  .header_hamburger_menu {
    /* margin-left: 96px; */
    margin-left: 256px;
    /* margin-left: 217px; */
    font-size: 46px;
    line-height: 46px;
    margin-bottom: 40px;
  }



  .header_hamburger_bottom {
    /* margin-left: 96px; */
    margin-left: 256px;
    /* margin-left: 217px; */

  }


}




/* 底部copyright */
@media screen and (max-width: 1001px) and (min-width:769px) {

  .detail_page_bottom {
    width: 100%;
    height: 96px;
    text-align: center;
    margin-top: 256px;
  }
  
  .copyright {
    line-height: 14px;
    display: block;
    float:none;
    margin-left:0;
  }
  
  
  .all_articles {
    font-size: 36px;
    line-height: 36px;
    text-decoration: none;
    margin: 0 auto;
    position: relative;
    display: block;
    margin-top: -110px;
  }
  
  .find_me_on_github {
    line-height: 14px;
    float: none;
    margin-right: 0;
    display: block;
    margin-top: 92px;
  }
  
  .all_articles:after {
    height: 0px;
  }
  
  }

/* 底部copyright */
@media screen and (max-width: 769px) {

.detail_page_bottom {
  width: 100%;
  height: 96px;
  text-align: center;
  margin-top: 256px;
}

.copyright {
  line-height: 14px;
  display: block;
  float:none;
  margin-left:0;
}


.all_articles {
  font-size: 28px;
  line-height: 36px;
  text-decoration: none;
  margin: 0 auto;
  position: relative;
  display: block;
  margin-top: -110px;
}

.find_me_on_github {
  line-height: 14px;
  float: none;
  margin-right: 0;
  display: block;
  margin-top: 92px;
}

.all_articles:after {
  height: 0px;
}

}

@media screen and (max-width:841px) and (min-width:766px){
  .lets_talk_containter {
    max-width: calc(100vw - 60px);
}

.phone_email_wechat_qq_container {
  width: calc(100% - 30px);
}

.phone_container {
  width: calc((100% - 60px)/2);
  margin: 0 15px 30px 15px;
}
}



/* 768px以下，变成一排显示 */
@media screen and (max-width:766px) and (min-width:415px){
  .phone_email_wechat_qq_container {
    width: calc(100% - 60px);
}


  .phone_container {
    width: 100%;
    margin: 0 0 40px 0;
}

.lets_talk_containter {
  max-width: calc(100vw - 60px);
}

.lets_talk {
  font-size: 13vw;
}

.say_hello {
  font-size: 20px;
  margin: 8px 0 0 0;
}

}

@media screen and (max-width: 415px) {

.detail_page_bottom {
  width: 100%;
  height: 96px;
  text-align: center;
  margin-top: 256px;
}

.copyright {
  line-height: 14px;
  display: block;
  float:none;
  margin-left:0;
}


.all_articles {
  font-size: 28px;
  line-height: 36px;
  text-decoration: none;
  margin: 0 auto;
  position: relative;
  display: block;
  margin-top: -110px;
}

.find_me_on_github {
  line-height: 14px;
  float: none;
  margin-right: 0;
  display: block;
  margin-top: 92px;
}

.all_articles:after {
  height: 0px;
}



.phone_email_wechat_qq_container {
  width: calc(100% - 40px);
  margin-top: 60px;
}


.phone_container {
  width: 100%;
  margin: 0 0 32px 0;
}

.lets_talk_containter {
max-width: calc(100vw - 40px);
margin: 128px auto 0 auto;
}

.lets_talk {
font-size: 44px;
line-height: 1;
}

.say_hello {
font-size: 16px;
line-height: 24px;
margin: 12px 0 0 0;
}


}







/* 若检测到设备为移动设备（不能悬浮）则执行以下类 */
.mobile .project {
  width: 100%;
}


.mobile .project_title {
  opacity: 1;
  transform: none;
}



.mobile .project_category {
  opacity: 1;
  transform: none;
}