* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        }

        body {
            background-color: #ffffff;
            display: flex;
            justify-content: center;
            padding: 20px 20px;
        }

        .container {
            max-width: 680px;
            width: 100%;
            padding: 40px 20px;
        }

        .profile {
            text-align: center;
            margin-bottom: 40px;
        }

        .avatar {
            width: 120px;
            height: 120px;
            border-radius: 60px;
            margin-bottom: 20px;
            object-fit: cover;
            display: flex;
            justify-content: center;
            margin-left: auto;
            margin-right: auto;
        }

        .name {
            font-size: 24px;
            font-weight: 600;
            color: #1d1d1f;
            margin-bottom: 10px;
        }

        .bio {
            font-size: 16px;
            color: #86868b;
            margin-bottom: 30px;
        }

        .links {
            list-style: none;
        }

        .link-item {
            background-color: #f2f2f2;
            border-radius: 12px;
            margin-bottom: 12px;
            transition: transform 0.2s ease, background-color 0.2s ease;
        }

        .link-item:hover {
            transform: scale(1.02);
            background-color: #e2e2e2;
        }

        .link-item a {
            display: flex;
            align-items: center;
            padding: 16px 20px;
            text-decoration: none;
            color: #1d1d1f;
        }

        .link-icon {
            width: 24px;
            height: 24px;
            margin-right: 12px;
        }

        .link-text {
            font-size: 16px;
            font-weight: 500;
        }

        @media (max-width: 480px) {
            .container {
                padding: 30px 20px;
            }

            .avatar {
                width: 100px;
                height: 100px;
            }

            .name {
                font-size: 20px;
            }

            .bio {
                font-size: 14px;
            }
        }

        .footer {
            text-align: center;
            margin-top: 100px;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        }

        .footer a {
            color: #86868b;
            text-decoration: none;
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .footer a:hover {
            color: #1d1d1f;
            transform: scale(1.02);
        }