* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            color: #333;
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            color: #6a11cb;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #2575fc;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, #8a2be2, #4b0082);
            color: white;
            padding: 20px 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #ffd700, #ff8c00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            padding: 5px 10px;
            border-radius: 8px;
        }
        .my-logo:hover {
            animation: bounce 0.5s;
        }
        @keyframes bounce {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav ul li a {
            color: white;
            font-weight: 600;
            padding: 10px 15px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        nav ul li a:hover {
            background: rgba(255,255,255,0.2);
            transform: scale(1.05);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #e6e9ff;
            margin-bottom: 20px;
            border-radius: 0 0 10px 10px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 10px;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: #6a11cb;
        }
        main {
            padding: 30px 0;
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            margin: 20px auto;
        }
        article {
            padding: 0 30px;
        }
        h1 {
            font-size: 3.2rem;
            color: #4b0082;
            text-align: center;
            margin-bottom: 25px;
            border-bottom: 4px solid #ff8c00;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.4rem;
            color: #6a11cb;
            margin: 40px 0 20px;
            padding-left: 10px;
            border-left: 5px solid #ffd700;
        }
        h3 {
            font-size: 1.8rem;
            color: #2575fc;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #8a2be2;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 22px;
            text-align: justify;
            font-size: 1.1rem;
            padding: 0 5px;
        }
        .highlight {
            background: linear-gradient(120deg, #ffefba, #ffffff);
            padding: 20px;
            border-radius: 12px;
            border-left: 6px solid #ff8c00;
            margin: 25px 0;
            box-shadow: 0 5px 15px rgba(255,140,0,0.1);
        }
        .emoji {
            font-size: 1.3rem;
            margin-right: 8px;
        }
        .feature-img {
            float: right;
            margin: 0 0 20px 30px;
            width: 45%;
            max-width: 500px;
        }
        .clearfix::after {
            content: "";
            clear: both;
            display: table;
        }
        .form-section {
            background: #f8f9ff;
            padding: 25px;
            border-radius: 15px;
            margin: 40px 0;
            border: 2px dashed #6a11cb;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            font-weight: 600;
            margin-bottom: 8px;
            color: #4b0082;
        }
        input, textarea, select {
            width: 100%;
            padding: 14px;
            border: 2px solid #c3cfe2;
            border-radius: 10px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #6a11cb;
            outline: none;
            box-shadow: 0 0 8px rgba(106,17,203,0.3);
        }
        button {
            background: linear-gradient(90deg, #6a11cb, #2575fc);
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        button:hover {
            background: linear-gradient(90deg, #2575fc, #6a11cb);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(37,117,252,0.4);
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #ffd700;
            cursor: pointer;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        footer {
            background: #2d1b69;
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.1);
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 15px;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(255,255,255,0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.2);
            font-size: 0.95rem;
            color: #c3cfe2;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #4b0082;
                padding: 20px;
                border-radius: 10px;
                margin-top: 20px;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            .feature-img {
                float: none;
                width: 100%;
                margin: 20px 0;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }