*{
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
  font-family: Microsoft Yahei!important;
}
body {  
  background:var(--theme-dark-color)!important;  
  color: var(--text-white-color)!important;
}

:root{
  --theme-color:#e41b1b;
 --text-theme-color:#e41b1b; 
 --bg-gradient:linear-gradient(180deg, rgb(0 0 0/ 15%), rgba(0, 0, 0, 0));
 --text-white-color:#000;
 --theme-dark-color:#fff;
 --theme-dark-text-color:#000;
  --color-primary:#e41b1b;
 
}
body.dark{
  --theme-color:#e41b1b;
  --theme-dark-color:#000;
  --theme-dark-text-color:#fff;
  --text-theme-color:#e41b1b;
  --btn-bg-color:;
  --text-white-color:#fff;
 --bg-gradient:linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0));
 --invert:invert(1);

}
:root {
  scroll-behavior: smooth;
}
.text-theme{
  color: var(--text-theme-color);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: #ffc732;
  text-decoration: none;
}

/*button*/
.btn-constructor {
 text-decoration: none;
 background: var(--theme-color);
 color:var(--text-white-color);
 padding: 10px 26px;
}

.btn-constructor:hover {
  color: #fff;
}


/*header-css*/
.navbar-expand-lg{
  background-color:#000;
}
.header h2 {
  font-size: 32px;
  font-weight: 700;
  position: relative;
  color: var(--text-white-color);
}

.header h2:before,
.header h2:after {
  content: "";
  width: 50px;
  height: 2px;
  background: var(--color-primary);
  display: inline-block;
}

.header h2:before {
  margin: 0 15px 10px 0;
}

.header h2:after {
  margin: 0 0 10px 15px;
}

.section-1{
  z-index: 99;
  position: relative;
}
.section-1 .navbar-nav a{
  color:#fff;
  font-size: 16px;
  margin: 0px 20px;
}
.section-1 .navbar-nav a:after {
  display: block;
  content : '';
  border-bottom: solid 3px #fff;
  transform: scaleX(0);
  transition: transform 300ms ease-in-out;
}
.section-1 .navbar-nav a:hover:after {
  transform: scaleX(1);
}
.section-1 .head-section{
  height: 80vh;
}
.section-2 .bg-gradient{
  background-image: var(--bg-gradient)!important;
  color:var(--text-white-color);
}
.service-item img{
  filter: var(--invert);
}
/*home-section*/
.hero {
  overflow-x: hidden;
  padding: 0;
}

.hero .carousel {
  width: 100%;
  min-height: 100vh;
  padding: 80px 0;
  margin: 0;
  position: relative;
}

.hero .carousel-item {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  z-index: 1;
  transition-duration: 0.4s;
}

.hero .carousel-item::before {
  content: "";
  background-color: rgba(0, 0, 0, 0.6);
  position: absolute;
  inset: 0;
}

.hero .info {
  position: absolute;
  inset: 0;
  z-index: 2;
}
.hero .info h2 {
  color:#fff;
  margin-bottom: 30px;
  padding-bottom: 30px;
  font-size: 56px;
  font-weight: 700;
  position: relative;
}

.hero .info h2:after {
  content: "";
  position: absolute;
  display: block;
  width: 80px;
  height: 4px;
  background: var(--color-primary);
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
}

@media (max-width: 768px) {
  .hero .info h2 {
    font-size: 36px;
  }
}

.hero .info p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
}

.hero .info .btn-get-started {
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: 16px;
  letter-spacing: 1px;
  display: inline-block;
  padding: 12px 40px;
  border-radius: 50px;
  transition: 0.5s;
  margin: 10px;
  color:#fff;
  border: 2px solid var(--color-primary);
  text-decoration: none;
}

.hero .info .btn-get-started:hover {
  background: var(--color-primary);
}

.hero .carousel-control-prev {
  justify-content: start;
}

@media (min-width: 640px) {
  .hero .carousel-control-prev {
    padding-left: 15px;
  }
}

.hero .carousel-control-next {
  justify-content: end;
}

@media (min-width: 640px) {
  .hero .carousel-control-next {
    padding-right: 15px;
  }
}

.hero .carousel-control-next-icon,
.hero .carousel-control-prev-icon {
  background: none;
  font-size: 26px;
  line-height: 0;
  background: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.6);
  border-radius: 50px;
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero .carousel-control-prev,
.hero .carousel-control-next {
  z-index: 3;
  transition: 0.3s;
}

.hero .carousel-control-prev:focus,
.hero .carousel-control-next:focus {
  opacity: 0.5;
}

.hero .carousel-control-prev:hover,
.hero .carousel-control-next:hover {
  opacity: 0.9;
}
.about-section-icons i{
  font-size: 45px;
}
/*fancy-box*/

.main .card-image {
  display: block;
  padding-top: 70%;
  position: relative;
  width: 100%;
}
.main .card-image img {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5);
  transition: all .3s linear;
}
.main .card-image img:hover{
  filter: brightness(1);  
}
/*start footer*/
.footer h5{
  position: relative!important;
  border-bottom: 2px solid #fff;
  padding-bottom:8px;
}
.footer h5:before{
 content: "";
 position: absolute;
 width: 20%;
 height: 3px;
 background-color: red;
 bottom: -2px;
 left: 0px;
  transition: all 0.5s cubic-bezier(.645,.045,.355,1);
}
.footer .col-sm-6:hover h5:before{
   width: 100%;  
}
.footer ul li{
  margin-bottom: 10px;
  cursor: pointer;
  transition: all 500ms ease-in-out;
}
.list-unstyled li:hover{
 color: var(--text-theme-color);
 transform: scale(1.05);
}
.footer .footer-icon{
  display: inline-block;
  color: #7f839c;
  font-size:22px;
  text-align: center;
  transition: 0.3s;
  height: 40px;
  width: 40px;
  text-align: center;
  line-height:32px;
  border: 1px solid #7f839c;
  border-radius: 50%;
  margin: 10px;
  position: relative;
}
.footer .footer-icon i{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.footer-icon:hover{
  color:var(--text-white-color);
  background:var(--theme-color);
   box-shadow: 0px 17px 66px 1px hwb(208deg 0% 0%);
}
.top-fixed{
  position: sticky;
  top: 0;
  z-index: 1020;
  background-color:var(--theme-dark-color);
  color: var(--theme-dark-text-color);
  box-shadow: 0 .5rem 1rem rgba(0,0,0,.15)!important;
}
.navbar-toggler-icon{
  background-image: none;
  border: none;
}




    /*download-page*/
    .git-background{
      width: 80px;
      height: 80px;
      background-color: #d9d7cf;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
    }
    .git-background i{
      font-size: 40px;
      color: #8e8880;
    }
    .btn-download{
      background-color: red;
      border-radius: 5px;
      padding: 4px 16px;
      border: none;
      color: #fff;
      margin: 8px;
      min-width: 150px;
    }
    .downlaod-block{
      background-color: #f2f2f2;
      padding: 16px;
    }
    a{
      color: inherit;
      text-decoration: none;
    }
    a:hover{
      color: inherit;
    }
    table, tr, td, th{
      padding: 6px 8px;
    }
    tr:nth-child(even) {
      background-color: #D6EEEE;
    }
    .window-info{
      position: absolute;
      top: 40%;
      left:50%;
      transform: translate(-50%, -48%);
    }
    .section-download .section-1 .navbar-nav a{
      color: #000;
    }
    .section-download .section-1 .navbar-nav a:after{
      border-bottom: 1px solid #000;
    }

    @media only screen and (max-width: 767px) {
      .section-1 .navbar-nav a{
        margin: 0px 12px;
      }
      section{
        padding-top: 40px!important;
        padding-bottom: 2rem!important;
      }
      .logo-mobile{
        height: 25px;
      }
      .navbar-brand img{
        height: 30px!important;
      }
    }
    @media only screen and (min-width: 767px){
      .section-download .home-content p{
        font-size: 18px;
      }
      .about-information .card p, .pro-git{
        font-size: 14px;
        line-height: 17.6px;
        color: #4e443c;
        margin-bottom: 0px;
      }

    }
    .section-download .about-information{
      background-color: #f0f0e8;
    }
    .about-information .card-title{
      color: var(--color-primary);
      font-size: 18px;
      font-weight: bold;
    }
    .dwnl-img{
      filter: brightness(0.5);
    }
    .coming-soon-badge{
      top: -5px;
      background-color: red;
      padding: 2px 8px;
      right: -75px;
      width: auto;
      border-radius: 3px;
      color: #fff;
      font-size: 10px;
    }