/* 通用 */
html, body {
  font-family: 'Noto Serif TC', "Microsoft YaHei", sans-serif;
  scroll-behavior:smooth; 
  overflow-x:hidden;
}

/* 背景视频 */
video{  
  /* position: -webkit-sticky;  */
  position: absolute;  
  right: 0px;  
  bottom: 0px; 
  min-width: 100%;  
  min-height: 100%;  
  height: auto;  
  width: auto;
  z-index: -1;
  /*加滤镜*/
  /* filter: blur(15px);  */
  /* 背景模糊设置 */
  /* -webkit-filter: grayscale(100%);   */
  /* 背景灰度设置 */
  /* filter:grayscale(100%);  */
}  
source{  
  min-width: 100%;  
  min-height: 100%;  
  height: auto;  
  width: auto;  
} 
.pc_bg,.phone_bg{
  position: fixed;
  width: 100%;
  height: 100vh;
}

h2{
  font-size: 55px;
  font-weight: 700;
  text-align: left;
  color: #ffffff;
  letter-spacing: 4px;
}
.spacing{
  margin-top:80px;
}
.bottom_img{
  bottom: 5px;
}
.top_img{
  top: 2px;
}
@media screen and (max-width: 575px) {
  .spacing{
    margin-top:20px;
  }
}

/* 导航栏 */
#header{
  background-color: rgba(0, 0, 0, 0);
}
#header.change{
  background-color: rgba(0, 0, 0,0.5);
}

#header button{
  margin-right: 0px;
  border:unset;
}
#header .logo img{
  height: 75px;
  padding: 15px;
}
#header li{
  padding: 0 5px;
}
#header li a{
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  color: #ffffff;
  letter-spacing: 1px;
}
#header .bi-list{
  color: #FD4A1E;
  font-size: 35px;
}
li.dropdown{
  margin-left:10px;
  width: 120px;
}
#header li .dropdown-menu{
  border: none;
  min-width: 120px;
}
#header li .dropdown-menu a{
  color: #333333;
}
#header li a.active{
  color: #fd0101;
}
#header li a:hover{
  color: #fd0101;
  cursor:pointer
}
.dropdown-menu:hover{
  background-color: #fefefe;  
}
.dropdown-item:hover{
  background-color: #fefefe;  
}
#header li a#navbarDropdown{
  position: relative;
  top: 4px;
  float: left;
  display: inline;
  font-size: 20px;
}

@media screen and (max-width: 991px) {
  .navbar-nav .dropdown-menu{
    background: rgba(0, 0, 0, 0);
    position:relative;
    left:-25px;
    top: 0;
  }
  #header li .dropdown-menu a{
    color: #ffffff;
  }
  li.dropdown{
    margin-left:10px;
    width: 120px;
  }
  #header .navMune {
   width: 100px;
   right:unset;
  }
  #header li a#navbarDropdown{
    position: relative;
    top: 0;
    left: 10px;
    float: left;
    display: inline;
    font-size: 20px;
  }
}
@media screen and (max-width: 575px) {
  #header li .dropdown-menu {
    border: none;
  }
}

/* 首页 */
#home{
  height: 100vh;  
}
#home .content{
  position: relative;
  top: 33%;
  justify-content: center; 
}
#home h1{
  font-size: 100px;
  font-weight: 700;
  text-align: left;
  color: #ffffff;
  letter-spacing: 7px;
  text-align: center;
  mix-blend-mode: difference;
}
#home p{
  font-size: 33px;
  font-weight: 700;
  text-align: left;
  color: #ffffff;
  letter-spacing: 2px;
  text-align: center;
  margin-top: 15px;
}
@media screen and (max-width: 800px) {
  #home h1{
    font-size: 100px;
  }
  #home p{
    font-size:32px;
  }
}
@media screen and (max-width: 575px) {
  #home h1{
    font-size: 90px;
  }
  #home p{
    font-size: 28px;
  }
}
@media screen and (max-width: 425px) {
  #home h1{
    font-size: 66px;
  }
  #home p{
    font-size:22px;
  }
}
@media screen and (max-width: 375px) {
  #home h1{
    font-size: 62px;
  }
}
@media screen and (max-width: 360px) {
  #home h1{
    font-size: 54px;
  }
  #home p{
    font-size: 18px;
  }
}
@media screen and (max-width: 320px) {
  #home h1{
    font-size: 50px;
  }
  #home p{
    font-size: 17px;
  }
}
@media screen and (max-width: 290px) {
  #home h1{
    font-size: 44px;
  }
  #home p{
    font-size: 15px;
  }
}

/* 透明渐变 */
#gradient_img{
  position: relative;
  top: 2px;
  background-image: url('../images/touming02.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  z-index: 2;
  padding-top: 8%;
}
#gradient{
  background:rgba(0, 0, 0, 0) ;
}
#gradient_img p{
  font-family: 'Noto Serif TC', "Microsoft YaHei", sans-serif;
  color: #ffffff;
  font-size: 55px;
  font-weight: 700;
  margin: 0;
  padding: 50px 0;
  letter-spacing: 1px;
  white-space: nowrap;
}
@media screen and (max-width: 800px) {
  #gradient_img p{
    font-size: 38px;
  }
}
@media screen and (max-width: 500px) {
  #gradient_img p{
    font-size: 30px;
  }
}
@media screen and (max-width: 400px) {
  #gradient_img p{
    font-size: 22px;
  }
}
@media screen and (max-width: 330px) {
  #gradient_img p{
    font-size: 20px;
  }
}
@media screen and (max-width: 290px) {
  #gradient_img p{
    font-size: 17px;
  }
}

/* 核心业务 */
#service{
  position: relative;
  top:0;
}
#service .part .content{
  background:rgba(0, 0, 0,0.5);
  box-shadow: 0px 0px 30px 0px undefined;
}
#service .part1{
  position: relative;
  background-image: url('../images/bg_01.jpg');
  background-size: cover;
  /* background-size: 100%; */
  background-repeat: no-repeat;
  background-position: 75% 0;
  height:90vh;
}
#service .part1 .content{
  z-index: 1;
  position: absolute;
  top: 25%;
  left: 40px;
  padding: 2%;
}
#service .part2{
  position: relative;
  z-index: 1;
  background-image: url('../images/bg_03.jpg');
  background-size: cover;
  /* background-size: 100%; */
  background-repeat: no-repeat;
  background-position: 80% 0;
  height:90vh;
}
#service .part2 .content{
  position: absolute;
  top:30%;
  right: 40px;
  padding:2%;
}
#service .part3{
  position: relative;
  z-index: 1;
  background-image: url('../images/bg_04.jpg');
  background-size: cover;
  /* background-size: 100%; */
  background-repeat: no-repeat;
  background-position: 80% 0;
  height: 90vh;
}
#service .part3 .content{
  position: absolute;
  top: 26%;
  left: 40px;
  padding:3%
}
#service h3{
  font-family: 'Noto Serif TC', "Microsoft YaHei", sans-serif;
  font-size: 55px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 6px;
  margin-bottom: 6%;
}
#service p{
  font-size: 30px;
  font-weight: 100;
  text-align: left;
  color: #ffffff;
  letter-spacing: 4px;
  margin-bottom: 3%;
}
@media screen and (min-width: 2150px){
  #service .part1{
    height:116vh;
  } 
  #service .part2{
    height:116vh;
  }
  #service .part3{
    height:110vh;
  }
  #service .part1 .content{
    top: 30%;
  }
}
@media screen and (max-width: 1024px) {
  #service .part1 .content{
    top: 18%;
  }
}
@media screen and (max-width: 960px) {
  #service p{
    font-size: 20px;
  }
}
@media screen and (max-width: 800px) {
  #service h3{
    font-size: 38px;
  }
  h2{
    font-size: 38px;
  } 
}
@media screen and (max-width: 605px) {
  #service .part1 .content{
    padding: 4% 3% 4% 6%;
  }
  #service .part2 .content{
    padding: 4% 3% 4% 6%;
  }
  #service .part3 .content{
    padding: 4% 3% 4% 6%;
  }
}
@media screen and (max-width: 575px) {
  #service .part1{
    background-image: url('../images/phone_bg_02-1.jpg');
    background-size: cover;
    /* background-position: center; */
  }
  #service .part2{
    background-image: url('../images/phone_bg_03-1.jpg');
    background-size: cover;
    /* background-position: center; */
  }
  #service .part3{
    background-image: url('../images/phone_bg_04-1.jpg');
    background-size: cover;
    /* background-position: center; */
  }
  #service .part1 .content{
    top: 30%;
    left: 0;
  }
  #service .part2 .content{
    top:30%;
    max-width: 100%;
    right: 0;
  }
  #service .part3 .content{
    left: 0;
    top: 35%;
  }
  #service p{
    margin-bottom: 2%;
  }
  h2{
    font-size: 34px;
  }
  #service h3{
    font-size: 34px;
  }
}
@media screen and (max-width: 450px) {
  h2{
    font-size: 27px;
  }
  #service h3{
    font-size: 27px;
  }
  #service p{
    font-size: 20px;
  }
}
@media screen and (max-width: 400px) {
  h2{
    font-size: 22px;
  }
  #service h3{
    font-size: 22px;
  }
  #service p{
    font-size: 17px;
  }
}
@media screen and (max-width: 320px) {
  h2{
    font-size: 20px;
  }
  #service h3{
    font-size: 20px;
  }
  #service p{
    font-size: 15px;
  }
}
@media screen and (max-width: 280px) {
  h2{
    font-size: 18px;
  }
  #service h3{
    font-size: 18px;
  }
  #service p{
    font-size: 14px;
  }
}

/* 品牌案例 */
#works .part{
  z-index: 1;
  background-image: url('../images/bg_05.jpg');
  background-size: contain;
  background-size: 100% 100%; 
  background-repeat: no-repeat;
  padding-bottom:6%;
  position: relative;
}
#works .introduce_img{
  max-width: 48%;
}
#works .introduce{
  margin-left: 2%;
  position: relative;
}
#works .introduce>div{
  position: relative;
  top: 25%;
}
#works p{
  font-size: 24px;
  font-weight: 100;
  text-align: left;
  color: #ffffff;
  letter-spacing: 1px;
}
#works .box_img{
  height: 132px;
  padding-left: 0px;
}
#works .logo_icon2{
  max-height: 66px;
  position: relative;
  top: 18%;
}
#works .logo_icon3{
  max-height: 132px;
}
#works .Tag{
  max-width: 25%;
  display: inline;
}
#works .text{
  max-width: 75%;
  display: inline;
}
@media screen and (min-width: 2000px){
  #works .text{
    max-width: 80%;
  }
}
@media screen and (max-width: 1700px){
  #works .introduce>div{
    top: 18%;
  }
}
@media screen and (max-width: 1600px){
  #works .introduce>div{
    top: 8%;
  }
}
@media screen and (max-width: 1500px){
  #works .introduce>div{
    top: 12%;
  }
}
@media screen and (max-width: 1400px){
  #works .introduce>div{
    top: 0%;
  }
  #works p{
    font-size: 23px;
  }
}
@media screen and (max-width: 1200px){
  #works .introduce_img{
    max-width: unset;
  }
  #works .introduce{
    margin-top: 7%;
    margin-left: 0;
  }
  #works .box_img{
    text-align: center;
  }
}
@media screen and (max-width: 800px) {
  #works p{
    font-size: 26px;
  }
}
@media screen and (max-width: 575px) {
  #works .introduce{
    margin-left:0;
  }
  #works p{
    font-size: 20px;
  }
}
@media screen and (max-width: 500px) {
  #works .part {
    padding-bottom: 12%;
  }
  #works p{
    font-size: 20px;
  }
  #works .Tag{
    max-width: 50%;
    display: block;
    margin-right: 20%;
  }
  #works .text{
    max-width: 100%;
    display: block;
  }
}
@media screen and (max-width: 400px) {
  #works p{
    font-size: 17px;
  }
}
@media screen and (max-width: 320px) {
  #works p{
    font-size: 15px;
  }
}

/* 关于我们 */
#about .part{
  height: 100vh;
  background-image: url('../images/bg593.jpg');
  z-index: 1;
  background-size: cover;
  /* background-size: 100%; */
  background-repeat: no-repeat;
  background-position: center;
  position: relative;
}
#about .part>div{
  position: absolute;
  top: 25%;
  margin-left: 8.333333%;
  margin-right: 8.333333%;
}
#about p{
  font-size: 30px;
  font-weight: 100;
  text-align: left;
  color: #ffffff;
  letter-spacing: 1px;
  padding-bottom: 1%;
}
@media screen and (min-width: 1800px) {
  #about .part>div{
    top: 24%;
  }
}
@media screen and (max-width: 1800px) {
  #about .part>div{
    top: 24%;
  }
}
@media screen and (max-width: 997px) {
  #about .part>div{
    top: 19%;
  }
}
@media screen and (max-width: 650px) {
  #about .part>div{
    top: 8%;
  }
  #about p{
    font-size: 28px;
  }
}
@media screen and (max-width: 575px) {
  #about .part{
    background-image: url('../images/phone_bg_06-1.jpg');
    background-size: cover;
    background-position: center;
  }
  #about .part>div {
    top: 18%;
  }
  #about p{
    font-size: 20px;
  }
}
@media screen and (max-width:400px) {
  #about .part>div {
    top: 15%;
  }
  #about p{
    font-size: 18px;
  }
}
@media screen and (max-width: 320px) {
  #about p{
    font-size: 15px;
  }
  #about p.content{
    font-size: 15px;
  }
}

/* 联系我们 */
#contact .part{
  background-image: url('../images/bg_07.jpg');
  z-index: 1;
  background-size: contain;
  background-size: 100% 100%;
  background-repeat: no-repeat;
  padding-bottom:40px;
  padding-top: 40px;
  position: relative;
}

#contact p{
  font-size: 27px;
  font-weight: 300;
  text-align: left;
  color: #000000;
}

#contact p.title{
  font-size: 30px;
  color: #fd4a1e;
  margin-bottom: 50px;
  width: 90%;
}
#contact form{
  font-size: 24px;
  font-weight: 300;
  text-align: left;
  color: #000000;
}
#contact button{
  font-size: 27px;
}
#contact .captcha_label{
  margin-right: 2%;
}
#message_btn{
  width: 200px;
  background: #141414;
  color: #FFFFFF;
}
@media screen and (max-width: 800px) {
  #contact label{
    font-size: 22px;
  }
  #contact button{
    font-size: 22px;
  }
}
@media screen and (max-width: 575px) {
  #contact p{
    font-size: 18px;
  }
  #contact label{
    font-size: 18px;
  }
  #contact button{
    font-size: 18px;
  }
  #contact .captcha_label{
    margin-top: 10px;
  }
}

/* 页脚 */
footer .part{
  background-color: #121212;
  background-image: url('../images/bottom_bg.png');
  z-index: 1;
  background-size: cover;
  background-size: 100%;
  background-repeat: no-repeat;
  position: relative;
}
footer p{
  font-family: 'Amplitude','Arial Narrow',sans-serif;
  font-size: 16px;
  font-weight: 100;
  text-align: left;
  color: #999;
  letter-spacing: 0px;
  display: inline;
}
footer span{
  font-family: 'Amplitude','Arial Narrow',sans-serif;
  font-weight: 300;
  color: #FFFFFF;
  display: inline;
}
footer .content img{
  margin-bottom: 20px;
  height: 54px;
}
footer .content{
  margin-bottom: 7%;
  position: relative;
  top: 15%;
}
footer .box1{
  width: 25px;
  margin-right: 5px;
  position: relative;
}
footer .box1>img{
  position: relative;
  bottom: 2px;
}
footer .box2{
  width: 80px;
  margin-right: 10px;
}
footer .copyright{
  font-size: 16px;
  width: 100%;
  border-top-style:solid;
  border-width:0.5px;
  border-color: #333333;
}
footer a {
  color: #999;
}
footer a:hover {
  color: #fff;
}

@media screen and (min-width: 2200px) {
  footer .content p{
    width: 66%;
  }
}
@media screen and (max-width: 991px) {
  footer .content{
   max-width: 80%;
  }
  footer .content img{
    margin-bottom: 20px;
  }
  footer .flex{
    max-width: 40%;
  }
  footer .box{
    margin-left: 20%;
  }
}
@media screen and (max-width: 575px) {
  footer .content{
    max-width: 100%;
  }
  footer .content img{
    height: 45px;
  }
   footer .flex{
    max-width: 100%;
  }
  footer .box{
    margin-left: 37%;
  }
  footer p{
    font-size: 16px;
  }  
  .pagination{
    position: absolute;
    bottom:5%;
    right: 10%;
    max-width: 25%;
  }
}
@media screen and (max-width: 500px) {
  .box1{
    margin-left: unset;
  }
  footer .box{
    margin-left: 28%;
  }
}

/* 轮播 */
.swiper-container{
  --swiper-navigation-size: 80px;/* 设置按钮大小 */
}
.swiper-pagination{
  padding-top: 3%;
  text-align: center;
  --swiper-pagination-color: #fd4a1e;
}
.swiper-wrapper{
  height: auto;
}
.swiper-slide{
  height: auto;
}
.swiper-pagination-bullet{
  width: 30px;
  margin: 0 4px;
  border-radius: 0;
  background: #ffffff;
  opacity: 0.7;
}
.swiper-pagination-bullet-active{
  opacity: 1;
  background: var(--swiper-pagination-color,var(--swiper-theme-color));
}
.swiper-button-prev{
  left: 2.5%;
}
.swiper-button-next{
  right: 2.5%;
}
.swiper-button-next,.swiper-button-prev{
  background-color: rgba(47, 47, 47, 0.1);
}
.swiper-button-next:hover,.swiper-button-prev:hover{
  background-color: rgb(0, 0, 0);
}
@media screen and (max-width: 500px) {
  .swiper-container{
    --swiper-navigation-size: 0px;/* 设置按钮大小 */
  }
}
/* 模态弹窗 */
#success .modal-content{
  border-radius: 10px;
  width: 80%;
}
#success .modal-body{
  height: 40%;
  background: #ffffff;
  text-align: center;
  border-radius: 10px;
}
#success .modal-body p{
  font-size: 20px;
  text-align: center;
  padding: 26px 0;
}
#success .modal-body button{
  width: 180px;
  height: 50px;
  background: #141414;
  font-size: 24px;
  text-align: center;
  color: #ffffff;
  letter-spacing: 1px;
}