#sidebarCollapse {
            display: none;
        }
        .logo-menu-container a {
            margin-right: 10px; 
        }

        @media (max-width: 767px) {
            .logo_section {
                display: flex;
                justify-content: space-between;
                align-items: center;
            }
        .logo-menu-container {
            position: fixed;
            top: -1px; 
            left: 0;
            right: 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: #000;
            padding: 10px;
            z-index: 1;
        }
            .logo a img {
                margin-right: 10px; 
            }

            #sidebarCollapse {
                display: block;
            }
        }

.header-container {
  max-width: 1200px;
  margin-right: auto;
  margin-left: auto;
  background-color: transparent;
}

.navbar .nav-item {
  margin-left: 15px;
  margin-right: 15px;
}

.navbar .nav-item:first-child {
  margin-left: 0;
}

.navbar .nav-item:last-child {
  margin-right: 0;
}

.navbar .nav-link {
  font-size: 18px;
  color: #fff; 
  padding: 8px 12px; 
}

.navbar .nav-link:hover,
.navbar .nav-link:focus,
.navbar .nav-item.active .nav-link {
  color: #fff; 
}

.navbar .dropdown-toggle .nav-link {
  font-size: 18px;
  color: #fff; 
  padding: 8px 12px; 
}

.navbar .dropdown-toggle.nav-link:hover,
.navbar .dropdown-toggle.nav-link:focus,
.navbar .dropdown-toggle.nav-item.active .nav-link {
  color: #000; 
}

.navbar .nav-link.disabled {
  color: #6c757d;
}

.navbar .dropdown-toggle::after {
  content: none; 
}

@media (min-width: 992px) { 
  .dropdown-menu {
    display: block;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
    transform: translateY(10px);
    margin-top: 0; 
    border-top: 0; 
  }
  .dropdown-submenu .dropdown-menu {
    top: 0;
    left: 100%;
    margin-top: -6; 
    margin-left: -1px;
    border-radius: 0 6px 6px 6px;
    display: block;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
    transform: translateX(10px);
  }
  .dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .dropdown-submenu:hover > .dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
  }
}

.dropdown-submenu {
  position: relative;
}

.dropdown-submenu.pull-left {
  float: none;
}

.dropdown-submenu.pull-left > .dropdown-menu {
  left: -100%;
  margin-left: 10px;
  border-radius: 6px 0 6px 6px;
}

@media (max-width: 768px) {
  .navbar .nav-link {
    color: #333; 
  }
  .navbar .nav-link:hover,
  .navbar .nav-link:focus,
  .navbar .nav-item.active .nav-link {
    color: #fff; 
  }
  .dropdown-submenu .dropdown-menu {
    display: none; 
    position: static;
    border: none;
    margin-left: 0;
  }
  .dropdown-submenu:hover .dropdown-menu {
    display: block; 
  }
}

.dropdown-menu,
.dropdown-submenu .dropdown-menu {
  border: 1px solid #ccc; 
  box-shadow: 0 2px 4px rgba(0,0,0,0.175); 
}

.dropdown-submenu .dropdown-menu {
  top: 0; 
  margin-top: 0; 
}

.dropdown-menu,
.dropdown-submenu .dropdown-menu {
  min-height: 0; 
  padding: 0; 
}

.dropdown-menu,
.dropdown-submenu .dropdown-menu {
  border-top: 0; 
  border-radius: 1px; 
}

@media (max-width: 768px) {
  /* 移动端时显示所有下拉菜单 */
  .dropdown-menu {
    display: none;
  }
  .dropdown-menu.show {
    display: block;
  }
}

@media (min-width: 769px) {
  /* 电脑端时保持默认行为 */
  .dropdown-menu {
    display: block;
  }
}

.carousel .carousel-item {
      transition-duration: 0.6s;
      transition-property: opacity;
      opacity: 0;
    }
    .carousel .carousel-item.active {
      opacity: 1;
    }
    .carousel img {
      width: 100%;
      height: auto;
    }

    .carousel-caption {
      position: absolute;
      top: 50%;
      left: 25%;
      transform: translate(-50%, -50%);
      text-align: center;
    }
    
    .carousel-caption h3 {
      font-size: 35px;
      font-weight: bold;
      color: #fff;
    }
    .carousel-caption p {
      font-size: 28px;
      font-weight: bold;
      color: #fff;
    }

    .carousel-caption button {
      margin-top: 40px;
      padding: 10px 30px;
      font-size: 20px;
      color: white;
      border-radius: 20px;
      background-color: transparent;
      border: 1px solid white;
      transition: background-color 0.3s;
    }
    .carousel-caption button:hover {
      background-color: #176dc9;
    }
	

@media (min-width: 768px) and (max-width: 1024px) {
.carousel-caption {
    top: 45%; 
    left: 28%;
    transform: translate(-50%, -50%);
  }
  
  .carousel-caption h3 {
    font-size: 10px; 
  }
  .carousel-caption p {
    font-size: 10px; 
	font-weight: normal; 
  }

  .carousel-caption button {
    margin-top: 8px; 
    padding: 5px 10px;
    font-size: 8px;
  }
}


@media(max-width: 750px){
  .carousel-caption {
    top: 25%; 
    left: 28%; 
    transform: translate(-50%, -50%);
  }
  
  .carousel-caption h3 {
    font-size: 10px; 
  }
  .carousel-caption p {
    font-size: 10px; 
	font-weight: normal; 
  }

  .carousel-caption button {
    margin-top: 8px; 
    padding: 5px 10px; 
    font-size: 8px; 
  }
}

@media (min-width: 768px) and (max-width: 991.98px) {
 .carousel-caption {
    top: 40%; 
    left: 28%;
    transform: translate(-50%, -50%);
  }
  
  .carousel-caption h3 {
    font-size: 25px; 
  }
  .carousel-caption p {
    font-size: 20px; 
	font-weight: normal; 
  }

  .carousel-caption button {
    margin-top: 8px; 
    padding: 5px 10px; 
    font-size: 20px;
  }
}
@media (min-width: 992px) and (max-width: 1300px) {
.carousel-caption {
    top: 40%; 
    left: 28%; 
    transform: translate(-50%, -50%); 
  }
  
  .carousel-caption h3 {
    font-size: 35px; 
  }
  .carousel-caption p {
    font-size: 25px; 
	font-weight: normal; 
  }

  .carousel-caption button {
    margin-top: 10px; 
    padding: 5px 10px; 
    font-size: 20px; 
  }
}


.about-two-section {
  padding: 60px 0 135px;
}

.about-two-thumb img {
  width: 100%;
}

.about-two-thumb {
  position: relative;
  z-index: 1;
}

.about-two-thumb::before {
  position: absolute;
  content: "";
  top: 17px;
  left: 17px;
  width: 100%;
  height: 100%;
  border-radius: 8px;

  z-index: -1;
}


/*=============start-about-section================*/

.about-section {
  position: relative;
  padding: 120px 0 60px;
}

.about-thumb img {
  width: 100%;
}

.about-shape {
  position: relative;
}

.about-shape {
  position: absolute;
  top: 145px;
  left: 520px;
}

.rotateme {
  animation: rotate 15s linear infinite;
}

@keyframes rotate {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

.about-thumb {
  position: relative;
  left: -48px;
}

.section-title h2 {
  font-size: 40px;
  font-weight: 600;
  color: rgb(36, 36, 36);
}

.style h2 {
  width: 80%;
}

.section-title p {
  font-size: 18px;
  width: 95%;
  margin: 15px 0 30px;
}

.section-button a {
  font-size: 16px;
  color: rgb(36, 36, 36);
  display: inline-block;
  padding: 14px 32px;
  position: relative;
  text-transform: uppercase;
  border: 1px solid #176dc9;
  border-radius: 8px;
  transition: 0.5s;
  z-index: 1;
}

.section-button a::before {
  position: absolute;
  content: "";
  top: 0;
  right: 0;
  bottom: 0;
  width: 0;
  height: 100%;
  border-radius: 8px;
  background-color: #176dc9;
  transition: 0.5s;
  z-index: -1;
}

.section-button a:hover:before {
  width: 100%;
  left: 0;
}

.section-button a:hover {
  color: rgb(248, 248, 248);
}

.section-button i {
  display: inline-block;
  margin-left: 5px;
}

/*======== chooses area start  ==========*/
.chooses_area {
    padding: 50px 0;

}
.choose_text h2 {
    font-size: 40px;
	font-weight: 600;
    margin: 0 0 15px;
}
.choose_text h2  span{
    color: var(--bgcolor);
}
.section_area{
    display: flex;
}
.section_area {
    display: flex;
    margin: 15px 0;
}
.section_area h2{
    font-size: 35px;
}
.section_area h4{
	font-size: 20px;
   font-weight: 600;
}
.section_area p{
    font-size: 15px;
}
.video_title{
    position: relative;
}
.tr_vedio_vano_box a i {
    left: 40%;
    top: 43%;
    position: absolute;
    display: inline-block;
    color: var(--whitec);
    width: 75px;
    height: 75px;
    text-align: center;
    line-height: 75px;
    font-size: 23px;
    border-radius: 100%;
    transition: .5s;
    background-color: transparent;
    animation: witr-shadow 1s linear infinite;
    background-color: var(--bgcolor);
}
@keyframes witr-shadow{
    0% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.3), 0 0 0 10px rgba(255, 255, 255, 0.3), 0 0 0 20px rgba(255, 255, 255, 0.3);
    }
    100% {
        box-shadow: 0 0 0 10px rgba(255, 255, 255, 0.3), 0 0 0 20px rgba(255, 255, 255, 0.3), 0 0 0 30px rgba(255, 255, 255, 0);
    }
}
/*======== chooses area end  ==========*/
.achievement {
  text-align: center;
  padding-top: 0px;

}
.achievement p {
  font-size: 18px;
  font-weight: 500;
  color: #2a2a2a;
}

.achievement i {
  color: #39d196;
  font-size: 60px;
}

.achievement h2 {
  margin: 10px 0;
  color: #176dc9;
}

.achievement .content {
  padding: 20px 0 35px;
  box-shadow: 0 12px 30px -15px rgba(0, 0, 0, 0.8);
}


.case-box{
	padding: 50px 0;
	line-height:15px;
    box-sizing: border-box; 
	
}

.case_text h2 {
    font-size: 40px;
    margin: 0 0 15px;
}



.case_text h2  span{
    color: var(--bgcolor);
}

.case-study-item .case-study-thumb {
  position: relative;
  overflow: hidden;
}
.case-study-item .case-study-thumb img {
  width: 100%;
  -webkit-transform: scale(1.01);
  transform: scale(1.01);
  transition: all 900ms ease;
}
.case-study-thumb img {
            display: block; 
            margin-top: 20px; 
            margin-bottom: 20px; 
            max-width: 100%; 
            height: auto; 
}
.case-study-item .case-study-thumb .case-study-link-icon a {
  position: absolute;
  z-index: 5;
  bottom: 40px;
  right: -34px;
  width: 52px;
  margin-top: -25px;
  margin-left: -25px;
  height: 52px;
  background: linear-gradient(45deg, var(--secondary-color), var(--secondary-color)) !important;
  text-align: center;
  line-height: 60px;
  color: #fff;
  visibility: hidden;
  opacity: 0;
  -moz-transition: all 500ms ease-out 0s;
  -webkit-transition: all 500ms ease-out 0s;
  -ms-transition: all 500ms ease-out 0s;
  -o-transition: all 500ms ease-out 0s;
  transition: all 500ms ease-out 0s;
}
.case-study-item .case-study-thumb .case-study-details {
  position: absolute;
  width: 88%;
  margin: 0 auto;
  left: 20px;
  bottom: 10px;
  -moz-transition: all 500ms ease-out 0s;
  -webkit-transition: all 500ms ease-out 0s;
  -ms-transition: all 500ms ease-out 0s;
  -o-transition: all 500ms ease-out 0s;
  transition: all 500ms ease-out 0s;
  opacity: 1;
  transform-origin: bottom;
  z-index: 2;
  opacity: 0;
}
.case-study-item .case-study-thumb .case-study-details .case-study-category,
.case-study-item .case-study-thumb .case-study-details .case-study-title {
  color: #fff;
}
.case-study-item .case-study-thumb:after {
  position: absolute;
  background: linear-gradient(0deg, #11112e, transparent);
  height: 100%;
  width: 100%;
  content: "";
  left: 0;
  bottom: 0;
  opacity: 0;
  -moz-transition: all 500ms ease-out 0s;
  -webkit-transition: all 500ms ease-out 0s;
  -ms-transition: all 500ms ease-out 0s;
  -o-transition: all 500ms ease-out 0s;
  transition: all 500ms ease-out 0s;
}
.case-study-item:hover .case-study-thumb img {
  -moz-transform: scale(1.2) rotate(3deg);
  -o-transform: scale(1.2) rotate(3deg);
  -ms-transform: scale(1.2) rotate(3deg);
  -webkit-transform: scale(1.2) rotate(3deg);
  transform: scale(1.2) rotate(3deg);
}
.case-study-item:hover .case-study-thumb .case-study-link-icon a {
  visibility: visible;
  opacity: 1;
  right: 28px;
}
.case-study-item:hover .case-study-thumb .case-study-details {
  -moz-transform: perspective(0) rotateX(0);
  -o-transform: perspective(0) rotateX(0);
  -ms-transform: perspective(0) rotateX(0);
  -webkit-transform: perspective(0) rotateX(0);
  transform: perspective(0) rotateX(0);
  opacity: 1;
  bottom: 10px;
  left: 30px;
  opacity: 1;
}
.case-study-item:hover .case-study-thumb:after {
  opacity: 1;
}
.case-study-item:hover .case-study-thumb:before {
  -moz-transform: perspective(0) rotateX(0);
  -o-transform: perspective(0) rotateX(0);
  -ms-transform: perspective(0) rotateX(0);
  -webkit-transform: perspective(0) rotateX(0);
  transform: perspective(0) rotateX(0);
}
.case-study-text
{
	text-align:center;
}

/* ============start-blog-section=============== */

.blog-section {
  padding: 20px 0 5px;
}

.styles-01 p {
  width: 66%;
  margin: 12px auto 55px;
}

.blog-single-box {
  position: relative;
  overflow: hidden;
  transition: 0.5s;
  margin-bottom: 30px;
}

.blog-thumb img {
  width: 100%;
  transition: 0.5s;
}

.blog-content {
  overflow: hidden;
  padding: 25px 30px 25px;
  background-color: #fafdff;
  position: relative;
  border-radius: 0 0 8px 8px;
  z-index: 1;
}

.style-05 p {
  width: 100%;
  margin: 17px 0 17px;
}

.blog-meta p {
  position: relative;
  font-size: 16px;
  color: rgb(35, 35, 35);
  margin: 0 0 5px;
}

.blog-name {
  display: inline-block;
}

.blog-meta {
  display: inline-block;
}

.blog-name a {
  display: inline-block;
  color: #000;
  position: relative;
  margin-right: 30px;
}

.blog-name a::before {
  content: "";
  background: #616161;
  width: 15px;
  height: 1px;
  position: absolute;
  right: -25px;
  top: 13px;
}

.section-title h4 a {
  display: inline-block;
  font-size: 20px;
  color: rgb(35, 35, 35);
}

.section-title h4 a:hover {
  color: #176dc9;
}

.blog-disc p {
  font-size: 16px;
  color: rgb(35, 35, 35);
  width: 80%;
  margin: 16px 0 15px;
}

.service-button a {
  font-size: 16px;
  display: inline-block;
  text-decoration: underline;
  text-transform: uppercase;
  color: #000;
}

.blog-single-box:hover .blog-thumb img {
  transform: scale(1.1);
}

.style-blog {
  padding-top: 100px;
}

/*=============start-about-section================*/
.pro-two-section {
  padding: 60px 0 100px;
}

.pro-two-section-1 {
  padding: 60px 0 100px;
}

.pro-two-thumb img {
  width: 100%;
}

.pro-two-thumb {
  position: relative;
  z-index: 1;
}

.pro-two-thumb::before {
  position: absolute;
  content: "";
  top: 17px;
  left: 17px;
  width: 100%;
  height: 100%;
  border-radius: 8px;

  z-index: -1;
}

/*=============start-about-section================*/

.pro-section {
  position: relative;
  padding: 120px 0 60px;
}

.pro-thumb img {
  width: 100%;
}

.pro-shape {
  position: relative;
}

.pro-shape {
  position: absolute;
  top: 145px;
  left: 520px;
}

.rotateme {
  animation: rotate 15s linear infinite;
}

@keyframes rotate {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

.section-title h1 {
  font-size: 35px;
  font-weight: 600;
  color: rgb(36, 36, 36);
}

.section h1 {
  width: 80%;
}

.section-thumb {
  position: relative;
  left: -48px;
}

.section-title h2 {
  font-size: 28px;
  font-weight: 600;
  color: rgb(36, 36, 36);
}

.section h2 {
  width: 80%;
}

.section-title p {
  font-size: 16px;
  width: 95%;
  line-height:28px;
  margin: 15px 0 30px;
}

.section-button a {
  font-size: 16px;
  color: rgb(36, 36, 36);
  display: inline-block;
  padding: 14px 32px;
  position: relative;
  text-transform: uppercase;
  border: 1px solid #176dc9;
  border-radius: 8px;
  transition: 0.5s;
  z-index: 1;
}

.section-button a::before {
  position: absolute;
  content: "";
  top: 0;
  right: 0;
  bottom: 0;
  width: 0;
  height: 100%;
  border-radius: 8px;
  background-color: #176dc9;
  transition: 0.5s;
  z-index: -1;
}

.section-button a:hover:before {
  width: 100%;
  left: 0;
}

.section-button a:hover {
  color: rgb(248, 248, 248);
}

.section-button i {
  display: inline-block;
  margin-left: 5px;
}


#back-to-top-container {
        position: fixed;
        bottom: 20px;
        right: 20px;
        z-index: 1000;
    }

    #back-to-top {
        display: none;
        background-color: #007bff;
        color: white;
        border: none;
        border-radius: 5px;
        padding: 10px 20px;
        font-size: 12px;
        cursor: pointer;
    }

    #back-to-top:hover {
        background-color: #0056b3;
    }