:root {
            --bg-color: #121212;
            --card-bg: #1e1e1e;
            --accent-color: #ff5e00;
            --text-color: #ffffff;
            --border-color: #333333;
        }

        body {
            margin: 0;
            padding: 20px;
            font-family: 'Kanit', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            background-image: radial-gradient(circle at 50% 0%, #2a1500 0%, #121212 50%);
        }

        .bio-container {
            width: 100%;
            max-width: 450px;
            text-align: center;
        }

        .profile-pic {
            width: 130px;
            height: 130px;
            border-radius: 50%;
            object-fit: cover;
            object-position: top;
            border: 4px solid var(--accent-color);
            padding: 3px;
            box-shadow: 0 0 20px rgba(255, 94, 0, 0.3);
            margin-bottom: 15px;
        }

        .profile-name {
            font-size: 1.6rem;
            font-weight: 600;
            margin: 0 0 5px 0;
            letter-spacing: 1px;
        }

        .profile-bio {
            font-size: 0.95rem;
            color: #aaaaaa;
            margin-bottom: 30px;
            font-weight: 300;
        }

        .links-wrapper {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .link-btn {
            display: flex;
            align-items: center;
            background-color: transparent;
            color: var(--text-color);
            text-decoration: none;
            padding: 16px 20px;
            border-radius: 30px; /* ขอบมน */
            border: 2px solid var(--border-color);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .link-btn i {
            font-size: 1.5rem;
            position: absolute;
            left: 20px;
            z-index: 2;
        }

        .link-btn span {
            width: 100%;
            text-align: center;
            font-weight: 500;
            font-size: 1.05rem;
            z-index: 2;
        }

        .link-btn:hover {
            border-color: var(--accent-color);
            background-color: rgba(255, 94, 0, 0.1);
            transform: translateY(-2px);
        }

        /* icon */
        .fa-facebook { color: #1877F2; }
        .fa-instagram { 
            background: -webkit-linear-gradient(#f09433, #e6683c, #dc2743, #cc2366, #bc1888);
            -webkit-background-clip: text; /* fix ไว้ */
            -webkit-text-fill-color: transparent;
        }
        .fa-tiktok { color: #ffffff; text-shadow: 2px 0px 0px #fd3e3e, -2px 0px 0px #4de8f4; }
        .fa-youtube { color: #FF0000; }
        .fa-line { color: #00C300; }