body {
       background-color: black;
       color: lightgray;
       font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
       margin: 0;
       justify-content: center;
   }
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

input,
textarea {
    font-size: 16px;
    color: white;
    margin-left: 10px;
}

img {
    margin: 10px 0px;
    width: 30vw;
}
   header {
       background-color: #000000;
       color: white;
       padding: 2rem;
       text-align: center;
       background-image: url('');
       background-repeat: no-repeat;
       background-size: 100% 100%;
   }
   .container {
       width: 70vw;
       margin: 0 auto;
   }

   .section,
   .camera-box,
   .siyi-feature {
       background-color: #141313;
       margin: 1.5rem 0;
       padding: 1rem 1.5rem;
       border-radius: 10px;
       transition: transform 0.3s ease, color 0.3s ease;
   }

   .section:hover,
   .camera-box:hover,
   .siyi-feature:hover {
       transform: scale(1.03);
       color: white;
   }

   h2,
   h3 {
       margin-top: 0;
   }

   .camera-wrapper {
       display: flex;
       justify-content: space-between;
       gap: 2rem;
       margin: 2rem 0;
   }

   .flip-card {
       background-color: transparent;
       width: 30%;
       height: 350px;
       perspective: 1000px;
   }

   .flip-inner {
       position: relative;
       width: 100%;
       height: 100%;
       text-align: center;
       transition: transform 0.8s;
       transform-style: preserve-3d;
   }

   .flip-card:hover .flip-inner {
       transform: rotateY(180deg);
   }

   .flip-front,
   .flip-back {
       position: absolute;
       width: 100%;
       height: 100%;
       border-radius: 10px;
       backface-visibility: hidden;
       background-color: #141313;
       color: lightgrey;
       padding: 1rem;
       box-sizing: border-box;
       transition: color 0.3s ease;
   }

   .flip-front:hover,
   .flip-back:hover {
       color: white;
   }

   .flip-front img {
       max-width: 100%;
       height: 200px;
       object-fit: cover;
       border-radius: 8px;
       margin-top: 1rem;
   }

   .flip-back {
       transform: rotateY(180deg);
       overflow-y: auto;
   }

   .camera-box {
       width: 32%;
       position: relative;
       background-color: #141313;
       border-radius: 10px;
       padding: 1rem;
       cursor: pointer;
       transition: transform 0.3s ease, color 0.3s ease;
       overflow: hidden;
   }

   .camera-box:hover {
       transform: scale(1.03);
       color: white;
   }

   .camera-details {
       max-height: 0;
       overflow: hidden;
       transition: max-height 0.5s ease;
       background-color: #1f1f1f;
       margin-top: 1rem;
       padding: 0 0;
       border-radius: 5px;
   }

   .camera-box.active .camera-details {
       max-height: 500px;
       padding: 1rem;
   }


   .camera-title {
       font-weight: bold;
       font-size: 1.1rem;
   }


   .camera-box:hover .camera-details,
   .camera-box.hovered .camera-details {
       top: 100%;
   }

   .camera-box.active .camera-details {
       top: 100%;
   }

   .camera-box:hover .camera-details,
   .camera-box.active:hover .camera-details {
       top: calc(100% - 200px);
   }

   .siyi-feature-box {
       display: flex;
       flex-wrap: wrap;
       gap: 1rem;
       margin-top: 1rem;
   }

   .siyi-feature {
       flex: 1 1 calc(33.333% - 1rem);
       background-color: #1f1f1f;
       color: lightgray;
       padding: 1rem;
   }

   .siyi-feature:hover {
       background-color: #333;
   }

   @media screen and (max-width: 768px) {

       .camera-box,
       .siyi-feature {
           width: 100%;
       }
   }