html, body {
            margin: 0;
            padding: 0;
            height: 100%;
            overflow-x: hidden;
            overflow-y: auto; /* Разрешаем вертикальную прокрутку */
        }
        #main-container {
            position: relative;
            background-color: transparent;
            min-height: 100vh;
            padding-bottom: 12rem; /* Добавляем отступ для футера */
        }
        #three-container-simple {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            z-index: 1; /* Добавляем z-index */
        }
        #three-container-fixed {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }

        #dgui-container {
            position: fixed;
            top: 0px;
            right: 20px;
            z-index: 1200;
        }
        #height-calc {
            position: fixed;
            pointer-events: none;
            width: 1px;
            height: 100vh;
            z-index: -1200;
        }
        #dgui-container input {
            height: 20px;
        }
        #three-container-simple {
            position: absolute;
            top: 0px;
            width: 100%;
            height: 100%;
            background-color: #000000;
        }
        #three-container-fixed {
            position: fixed;
            top: 0px;
            background-color: #000000;
        }
        canvas {
            display: block;
            width: 100% !important;
            height: 100% !important;
        }
        #loading-container {
            z-index: 2900;
            position: fixed;
            background: radial-gradient(#000000, #000000);
            justify-content: center;
            align-items: center;
            top: 0;
            bottom: 0;
            right: 0;
            left: 0;
            opacity: 1;
            transition: 2s opacity;
            transition-delay: 0.45s;
        }
        #loading-container.fade-out {
            opacity: 0;
        }
        #loading-container .loading-title {
            opacity: 0;
            transition: 1s;
            transition-delay: 4s;
            position: fixed;
            top: 50%;
            left: 50%;
            color: #333333;
            font-size: 12px;
            transform: translate(-50%, -50%) scale(0);
        }
        #loading-container .fadein-loading {
            transform: translate(-50%, -50%) scale(1);
            animation: flickerAnimation 2s infinite !important;
            animation-delay: 4s;
        }
        @keyframes flickerAnimation {
            0% { opacity: 1; }
            50% { opacity: 0.5; }
            100% { opacity: 1; }
        }