.container-fluid {
  padding: 0 !important;
}

.bg-top-default {
  background-color: rgba(0, 0, 0, 0);
}

.bg-top-scroll {
  background-color: rgba(0, 0, 0, 0.85) !important;
}

.head-bg {
  background-image: url("../img/back1.jpg");
  overflow: hidden;
  position: relative;
  background-repeat: no-repeat;
  background-color: black;
  background-size: 100%;
}

header .container-fluid {
  position: relative;
  padding-top: 150px;
}
.container-fluid .col {
  display: flex;
  flex-direction: column;
  align-items: end;
  width: auto;
}
header .container-fluid h5,
main .container-fluid h5 {
  line-height: 67px;
}
main > div {
  background: center top / auto 100% no-repeat;
  /* background-size: 1920px auto; */
  /* background-repeat: no-repeat; */
  height: 1000px;
  /* background-attachment:fixed; */
}
header .trace-box {
  position: absolute;
  bottom: 30%;
  right: 10%;
  height: unset;
  width: unset;
}

/* .df-title {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  z-index: 1;
} */

.df-row {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.brand-box {
  position: relative;
  height: 518px;
  padding: 0 !important;
}
.sp-back-1::after {
  background: #f0f0f0 none repeat scroll 0 0;
  content: "";
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  /* -webkit-transform: skewY(165deg);
  -ms-transform: skewY(165deg);
  transform: skewY(165deg); */
  width: 100%;
  z-index: 0;
}

.system-box {
  height: 1000px;
  /* margin: 60px auto; */
}
.system-box img {
  width: 100%;
  height: auto;
}
.system-box .container-fluid {
  height: 100%;
}
.system-box .system-introduction > div,
.system-box .system-introduction {
  width: 100%;
  padding: 20px 0;
  justify-content: unset;
  align-items: unset;
}
.system-box .system-introduction .bg {
  padding: 20px;
  margin-top: 20px;
  margin-right: 20px;
  background-color: rgba(0, 0, 0, 0.6);
  border-radius: 4px;
  box-sizing: border-box;
  color: white;
}
.system-box .system-introduction .bg:last-child {
  margin-right: 0;
}
.system-box .system-introduction .bg .title {
  font-size: 30px;
  font-weight: bold;
}

.members-introduction-box {
  background: center top / auto 100% no-repeat;
  background-image: url("/assets/img/back8.jpg");
  height: 800px;
}
.members-introduction-box .main-title {
  margin-bottom: 40px;
}
.members-introduction-box .introduction-list {
  flex-wrap: wrap;
}
.members-introduction-box .introduction-list .introduction-item {
  width: 40%;
  height: 140px;
  justify-content: unset;
  margin: 20px 0 0 40px;
  padding: 20px;
  border: 1px solid #999;
  font-size: 16px;
  line-height: 28px;
  box-sizing: border-box;
  background-color: rgba(0, 0, 0, 0.5);
}
.members-introduction-box .introduction-list .introduction-item i {
  font-size: 70px;
  margin-right: 10px;
}

.custom-system-box,
.reserve-box {
  /* height: 1000px; */
  align-items: end !important;
  /* padding: 0 200px; */
  background-image: url("/assets/img/back10.jpg");
  /* background-size: 1920px 100%; */
}
.custom-system-box .container-fluid,
.reserve-box .container-fluid,
.applet-box .container-fluid,
.free-box .container-fluid {
  position: relative;
}
.custom-system-box .body,
.reserve-box .body ,
.applet-box .body,
.free-box .body{
  position: absolute;
  right: 0;
  width: 500px;
}
.custom-system-box .body > div,
.custom-system-box .body .custom-system-list > div,
.reserve-box .body > div,
.reserve-box .body .custom-system-list > div,
.applet-box .body >div,
.applet-box .body .applet-list >div,
.free-box .body >div,
.free-box .body .content-list >div {
  align-items: unset;
  justify-content: unset;
  height: unset;
}
.custom-system-box .body .main-title,
.reserve-box .body .main-title,
.applet-box .body .main-title,
.free-box .body .main-title {
  margin-bottom: 30px;
}
.custom-system-box .body .main-title h5 ,
.reserve-box .body .main-title h5 ,
.applet-box .body .main-title h5,
.free-box .body .main-title h5{
  font-size: 22px;
  line-height: 40px;
}
.custom-system-box .body .custom-system-list h5 ,
.reserve-box .body .custom-system-list h5 ,
.applet-box .body .applet-list h5,
.free-box .body .applet-list h5{
  font-size: 18px;
  line-height: 26px;
  padding: 6px 0;
  margin: 0;
}
.custom-system-box .body .custom-system-list i ,
.reserve-box .body .custom-system-list i {
  padding-top: 8px;
  padding-right: 5px;
  font-size: 10px;
}

.reserve-box {
  align-items: start !important;
  background-image: url("/assets/img/back13.jpg");
  /* padding: 0 60px; */
}

.applet-box{
  background-image: url("/assets/img/back12.jpg");
}
.applet-box .body{
  left: 0;
  bottom: 40px;
  width: 100%;
}
.applet-box .body .applet-list h3{
  font-size: 24px;
  font-weight: bolder;
}
.applet-box .body .applet-list h5{
  font-size: 15px;
}

.free-box{
  background-image: url("/assets/img/back14.jpg");
}
.free-box .body{
  left: 0;
  width: auto;
}
.free-box .body .content-list >div{
  width: 520px;
  /* justify-content: space-around; */
}
.free-box .body .content-list >div h5{
  /* width: 100%; */
  line-height: 20px;
  margin: 0;
  margin-right: 40px;
}
.free-box .body .content-list >div h5:last-child{
  margin: 0;
}
.free-box .body .content-list .tips{
  margin-top: 20px;
}
.free-box .body .content-list .tips h5{
  font-size: 14px;
}

@media (max-width: 767px) {
  .df-pc {
    display: none;
  }
  .df-app {
    display: auto;
  }

  .navbar-brand img {
    height: 46px;
  }

  .head-bg {
    height: 700px;
    background-position-y: 80px;
  }

  .bg-top-default {
    background-color: rgba(0, 0, 0, 0.6);
  }

  .topnav .navbar-toggler:focus {
    outline: unset;
  }
  .navbar-nav .nav-item a::after {
    content: unset;
  }

  .container-fluid {
    width: 90vw !important;
  }
  header .container-fluid {
    position: relative;
    padding-top: 0;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  header .container-fluid .col{
    /* position: absolute; */
    /* bottom: 50px; */
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .df-title h1,
  .container-fluid h1 {
    font-size: 26px !important;
    line-height: 40px;
  }
  header .container-fluid h3 {
    font-size: 18px;
    font-weight: bolder;
    line-height: 38px;
  }
  .container-fluid h5 {
    width: 260px;
    line-height: 24px;
  }

  .df-title h3{
    font-size: 18px !important;
  }

  .brand-box {
    height: 360px;
    padding: 0 !important;
    position: relative;
  }

  .members-introduction-box {
    /* height: 600px; */
  }
  .members-introduction-box .main-title {
    margin-bottom: 10px;
  }
  .members-introduction-box .introduction-list {
    flex-wrap: wrap;
  }
  .members-introduction-box .introduction-list .introduction-item {
    width: calc((100% / 2) - 10px);
    height: 160px;
    flex-direction: column !important;
    justify-content: unset;
    margin: 10px 5px 0 5px;
    padding: 20px 10px;
  }
  .members-introduction-box .introduction-list .introduction-item i {
    font-size: 50px;
    margin-right: 0;
    margin-bottom: 20px;
  }
  .members-introduction-box .introduction-list .introduction-item span {
    font-size: 12px;
    line-height: 16px;
    text-align: center;
  }

  .system-box {
    width: 90vw;
    height: auto;
    margin: 20px auto;
    padding: 0;
    box-sizing: border-box;
  }
  .system-box .system-introduction{
    flex-direction: column !important;
  }
  .system-box .system-introduction .bg{
    margin-right: 0;
    padding: 10px;
    align-items: center;
    text-align: center;
  }
  .system-box .system-introduction .bg .title{
    font-size: 22px;
  }

  main > div {
    height: 700px !important;
    /* height: 787.5px; */
    background-size: auto 100%;
    /* background-size: 767px auto; */
    background-position-x: 90%;
  }

  .custom-system-box .body,
  .reserve-box .body,
  .applet-box .body,
  .free-box .body{
    width: 90vw;
    position: relative;
    right: unset;
    display: flex;
    flex-direction: column;
    align-items: center;

    /* color: black; */
  }

  .custom-system-box  h5,
  .reserve-box .body h5,
  .applet-box .body  h5,
  .free-box .body  h5{
    width: 100%;
    font-size: 14px !important;
    line-height: 18px !important;
    text-align: center;
    /* text-shadow: 1.5px 1px 2px black; */
  }
  .custom-system-box .body .main-title h3,
  .reserve-box .body .main-title h3,
  .applet-box .body .main-title h3,
  .free-box .body .main-title h3{
    font-size: 22px !important;
    text-align: center;
    width: 100%;
    /* text-shadow: 1.5px 1px 2px black; */
  }
  .custom-system-box .body .main-title h5,
  .reserve-box .body .main-title h5,
  .applet-box .body .main-title h5,
  .free-box .body .main-title h5{
    font-size: 16px !important;
    text-align: center;
    line-height: 16px;
    width: 100%;
  }
  .custom-system-box .body .custom-system-list,
  .reserve-box .body .custom-system-list,
  .applet-box .body .custom-system-list,
  .free-box .body .custom-system-list{
    width: 100%;
  }
  .custom-system-box .body .custom-system-list i,
  .reserve-box .body .custom-system-list i,
  .applet-box .body .custom-system-list i{
    display: none;
  }

  .custom-system-box .body .custom-system-list >div{
    margin: 10px 0;
  }

  .custom-system-box{
    background-image: url('/assets/img/back16.png');
  }

  .applet-box .body .main-title{
    margin: 0;
  }
  .applet-box .body .applet-list{
    flex-direction: column !important;
    text-align: center;
  }
  .applet-box .body .applet-list .applet-item h3{
    font-size: 20px !important;
    font-weight: bolder;
    text-shadow: 1.5px 1px 2px black;
  }

  .reserve-box .main-title *,
  .free-box .main-title *,
  .free-box .body .content-list .tips h5{
    text-shadow: unset !important;
  }
  
  .free-box{
    background-position-x: 16%;
  }
  .free-box .body .main-title{
    margin: 0;
    line-height: unset;
  }
  .free-box .body .content-list >div{
    width: 100%;
  }
  .free-box .body .content-list .title h4{
    text-align: center;
    font-size: 18px;
    margin: 0;
    font-weight: bold;
  }
  .free-box .body .content-list >div h5{
    margin-right: 20px;
    text-align: left;
  }
  .free-box .body .content-list .tips{
    margin-top: 10px;
  }
  .free-box .body .content-list .tips h5{
    font-size: 12px !important;
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  .df-pc {
    display: auto;
  }
  .df-app {
    display: none;
  }
  .navbar-brand img {
    height: 50px;
  }

  .topnav .navbar-toggler:focus {
    outline: unset;
  }
  .navbar-nav .nav-item a::after {
    content: unset;
  }

  .head-bg {
    height: 720px;
  }

  .bg-top-default {
    background-color: rgba(0, 0, 0, 0.6);
  }

  .container-fluid {
    width: 740px;
  }

  header .container-fluid {
    padding-top: 80px !important;
  }
  header .container-fluid h5{
    text-align: right !important;
  }

  .container-fluid h5 {
    width: 420px !important;
    line-height: 18px !important;
  }
  .df-title h1,
  .container-fluid h1 {
    font-weight: 800 !important;
    font-size: 46px !important;
  }
  .df-title h3 {
    font-size: 30px !important;
    font-weight: 800 !important;
  }
  .df-title h5,
  .container-fluid h5 {
    font-weight: 400 !important;
    font-size: 16px !important;
  }

  .brand-box {
    height: 400px;
    padding: 0 !important;
    position: relative;
  }

  .members-introduction-box {
    height: 496px;
  }
  .members-introduction-box .main-title {
    margin-bottom: 20px;
  }
  .members-introduction-box .introduction-list .introduction-item {
    width: 45%;
    height: 100px;
    justify-content: unset;
    margin: 10px 10px 0 10px;
    padding: 10px;
  }
  .members-introduction-box .introduction-list .introduction-item i {
    font-size: 60px;
    margin-right: 10px;
  }
  .members-introduction-box .introduction-list .introduction-item span {
    font-size: 14px;
    line-height: 20px;
  }

  .system-box {
    width: 740px;
    height: 496px;
    margin: 0px auto;
    padding: 0 15px;
  }
  .system-box .system-introduction .bg .title{
    font-size: 24px;
  }
  
  main > div {
    height: 496px;
    /* height: 787.5px; */
    background-size: 991px auto;
  }

  .custom-system-box .body,
  .reserve-box .body,
  .applet-box .body{
    width: 300px;
  }
  /* .custom-system-box .body .df-title h3,
  .reserve-box .body .df-title h3,
  .applet-box .body .df-title h3{
    width: 400px;
  } */
}

@media (min-width: 992px) and (max-width: 1400px) {
  .df-pc {
    display: auto;
  }
  .df-app {
    display: none;
  }
  .navbar-brand img {
    height: 50px;
  }

  .head-bg {
    height: 800px;
  }

  .bg-top-default {
    background-color: rgba(0, 0, 0, 0.6);
  }

  .container-fluid {
    width: 1000px !important;
  }

  header .container-fluid {
    padding-top: 70px;
  }

  .container-fluid h5 {
    line-height: 24px;
  }
  .df-title h1,
  .container-fluid h1 {
    font-weight: 800 !important;
    font-size: 60px !important;
  }
  .df-title h3 {
    font-size: 38px !important;
    font-weight: 800 !important;
  }
  .df-title h5,
  header .container-fluid h5 {
    font-weight: 400 !important;
    font-size: 16px !important;
  }
  header .container-fluid h5{
    text-align: right !important;
  }

  .brand-box {
    height: 400px;
    padding: 0 !important;
    position: relative;
  }

  .members-introduction-box {
    height: 700px;
  }
  

  .system-box {
    width: 1100px;
    height: 700px;
    margin: 0px auto;
    padding: 0 15px;
  }

  main > div {
    height: 700px;
    /* height: 787.5px; */
    background-size: 1400px auto;
  }

  .custom-system-box .body,
  .reserve-box .body,
  .applet-box .body{
    width: 400px;
  }

  .applet-box .body{
    width: 100%;
    left: 0;
    bottom: 40px;
    width: 100%;
  }
  .applet-box .body .applet-list h3{
    font-size: 20px !important;
    font-weight: bolder !important;
  }
  .applet-box .body .applet-list h5{
    font-size: 14px !important;
  }
}

@media (min-width: 1400px) {
  .df-pc {
    display: auto;
  }
  .df-app {
    display: none;
  }

  .head-bg {
    height: 900px;
  }
}