     body {
            margin: 0;
            font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
            background: #0d1117;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        header {
            padding: 9px 168px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            align-content: center;
            background: linear-gradient(191deg, #f00034b8, #ffffff, #5b5252);
        }

        header .logo img {
            max-height: 55px;
        }

        header nav a {
            color: #000000;
            margin: 0 21px;
            text-decoration: none;
            font-weight: 500;
            font-size: 23px;
        }

        header nav a:hover {
            text-decoration: underline;
        }

        main {
            flex: 1;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .imei-container {
            background: rgba(255, 255, 255, 0.05);
            padding: 40px;
            border-radius: 20px;
            max-width: 500px;
            width: 100%;
            text-align: center;
            color: #fff;
            box-shadow: 0px 0px 25px rgb(255 255 255);
        }

        .imei-container h1 {
            font-size: 20px;
            margin-bottom: 20px;
            color: #f2f7f8;
            font-weight: 600;
        }

        .input-group {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .input-group input {
            width: 62%;
            padding: 12px;
            font-size: 16px;
            border: none;
            border-radius: 20px 0 0 20px;
            outline: none;
            text-align: center;
            font-weight: 300;
            min-width: 200px;
            max-width: 270px;
            margin-right: -10px;
        }

        .input-group button {
            padding: 12px 15px;
            font-size: 16px;
            background: #009688a8;
            border: none;
            color: #ffffff;
            border-radius: 0 20px 20px 0;
            cursor: pointer;
            font-weight: 900;
            white-space: nowrap;
        }

        .modal {
            display: none;
            position: sticky;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: white;
            color: #000;
            width: 87%;
            max-width: 570px;
            padding: 30px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            text-align: center;
            z-index: 9999;
            font-weight: 700;
            min-height: 600px;
        }

        .footer-n {
            margin-top: 20px;
            font-size: 18px;
            color: #595959;
            font-weight: 200;
        }

        .footer-n strong {
            display: block;
            font-size: 16px;
            margin-bottom: 5px;
            font-weight: 700;
        }

        .footer-n hr {
            margin: 10px auto;
            width: 100%;
            border: none;
            height: 1px;
            background-color: #8f8b8b;
        }


        .close {
            position: absolute;
            top: 11px;
            right: 24px;
            font-size: 40px;
            border: none;
            background: transparent;
            color: #c0abab;
            cursor: pointer;
            font-weight: 500;
        }

        .close:hover {
            color: #000;
        }

        .device-img {
            max-width: 160px;
            margin: 15px auto;
            display: block;
            filter: drop-shadow(3px 3px 3px #dcdede);
        }

        .model-title {
            color: #595959;
            font-size: 25px;
            font-weight: 700;
            margin-bottom: 18px;
            background: #ffffff;
        }

        .detail-line {
            margin: 1px 0;
            font-size: 18px;
            font-weight: 500;
            color: #595959;
        }

        .color-badge {
            padding: 4px 12px;
            border-radius: 15px;
            display: unset;
            color: #ffffff;
            margin-left: 4px;
            font-size: 13px;
            font-weight: 700;
            text-align: center;
        }

        #loading {
            display: none;
            margin: 20px auto;
            border: 5px solid #f3f3f3;
            border-top: 5px solid #00d4ff;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            animation: spin 1s linear infinite;
        }

        footer {
            background-color: #0d1117;
            color: #c9d1d9;
        }

        footer a {
            color: #c9d1d9;
            text-decoration: none;
        }

        footer a:hover {
            text-decoration: underline;
        }

        @keyframes spin {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }

        .action-buttons {
            margin-top: 20px;
        }

        .action-buttons button {
            margin: 5px;
            padding: 5px 7px;
            font-weight: 100;
            font-size: 12px;
        }


        @media (max-width: 768px) {
            .input-group {
                flex-direction: column;
            }

            .input-group input,
            .input-group button {
                width: 100%;
                border-radius: 20px !important;
            }
        }

        .nav2 {
            font-size: 20px !important; 
            font-family: Arial, sans-serif !important;
            font-weight:200 !important;
        }
        .nav2 i {
                font-size: 16px;
                 margin-right: 5px;
                 
            
        }

