* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: #fff;
            color: #333;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .admin-link {
            position: absolute;
            top: 15px;
            right: 15px;
            z-index: 10;
        }

        .admin-link a {
            background-color: #e6f7ff;
            color: #1890ff;
            padding: 12px 16px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            box-shadow: 0 4px 12px rgba(24, 144, 255, 0.2);
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .admin-link a:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 16px rgba(24, 144, 255, 0.3);
            background-color: #1890ff;
            color: white;
        }

        .admin-link i {
            font-size: 24px;
        }

        .main-container {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            flex: 1;
            padding: 10px;
        }


        .links-container {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 40px;
            max-width: 90%;
            margin: 0 auto;
        }

        .link-card {
            width: 200px;
            height: 200px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 8px 24px rgba(24, 144, 255, 0.15);
            transition: all 0.3s ease;
            text-decoration: none;
            color: #1890ff;
            position: relative;
            overflow: hidden;
        }

        .link-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 32px rgba(24, 144, 255, 0.25);
        }

        .link-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, #1890ff, #69c0ff);
            opacity: 0.7;
            transition: height 0.3s ease;
        }

        .link-card:hover::before {
            height: 100%;
            opacity: 0.1;
        }

        .link-card i {
            font-size: 54px;
            margin-bottom: 20px;
            z-index: 2;
        }

        .link-card span {
            font-size: 18px;
            font-weight: 500;
            z-index: 2;
            text-align: center;
            padding: 0 10px;
        }

        .footer {
            text-align: center;
            padding: 15px;
            color: #8c8c8c;
            font-size: 0.9rem;
            margin-top: auto;
        }

        @media (max-width: 1000px) {

            .link-card {
                width: 180px;
                height: 180px;
            }

        }
        @media (max-width: 768px) {
            .links-container {
                flex-direction: column;
                align-items: center;
                gap: 30px;

            }
        }
        @media (max-width: 480px) {
            .links-container {

            }
            .link-card {
                width: 180px;
                height: 180px;
            }

            .link-card i {
                font-size: 44px;
            }


        }