/* Reset and global styles */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    body {
        font-family: 'Roboto', sans-serif;
        background: radial-gradient(circle, #E8F4F8, #FFFFFF);
        color: #5A6D7B;
        line-height: 1.6;
        padding: 20px;
    }
    a {
        color: #FF6F61;
        text-decoration: none;
        rel: nofollow;
    }
    a:hover {
        text-decoration: underline;
    }
    header {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(232, 244, 248, 0.9);
        padding: 10px 20px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        z-index: 1000;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .logo {
        font-size: 1.5em;
        font-weight: bold;
        color: #FF6F61;
    }
    .nav-links {
        display: flex;
        gap: 15px;
    }
    .nav-links a {
        font-size: 1em;
    }
    .search-box {
        position: relative;
    }
    .search-box input {
        padding: 5px 10px;
        border: 1px solid #5A6D7B;
        border-radius: 4px;
    }
    main {
        margin-top: 80px;
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
    }
    .hero {
        position: relative;
        width: 100%;
        height: 300px;
        background: url('https://images.gptkong.com/demo/sample1.png') center center / cover no-repeat;
        border-radius: 8px;
        margin-bottom: 40px;
        animation: aurora-move 15s linear infinite;
    }
    @keyframes aurora-move {
        0% { filter: hue-rotate(0deg); }
        100% { filter: hue-rotate(360deg); }
    }
    article {
        background: rgba(255, 255, 255, 0.9);
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }
    h1, h2, h3, h4 {
        font-family: 'Montserrat', sans-serif;
        color: #5A6D7B;
        margin-bottom: 15px;
    }
    h1 {
        font-size: 2em;
    }
    h2 {
        font-size: 1.75em;
    }
    h3 {
        font-size: 1.5em;
    }
    h4 {
        font-size: 1.25em;
    }
    p {
        margin-bottom: 15px;
    }
    pre {
        background: #F5F5F5;
        padding: 15px;
        border-radius: 6px;
        overflow-x: auto;
        margin-bottom: 20px;
    }
    code {
        font-family: 'Courier New', Courier, monospace;
        color: #FF6F61;
    }
    .button {
        background-color: #FF6F61;
        color: white;
        border: none;
        padding: 10px 20px;
        cursor: pointer;
        border-radius: 4px;
        transition: transform 0.3s, background-color 0.3s;
    }
    .button:hover {
        transform: scale(1.1);
        background-color: #e65b55;
    }
    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        padding: 20px 0;
    }
    .card {
        background-color: white;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        border-radius: 8px;
        padding: 16px;
        transition: transform 0.3s, box-shadow 0.3s;
    }
    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    }
    .icon {
        fill: #5A6D7B;
        width: 24px;
        height: 24px;
        transition: fill 0.3s;
    }
    .icon:hover {
        fill: #FF6F61;
    }
    .feedback {
        position: fixed;
        bottom: 20px;
        right: 20px;
        background-color: #FF6F61;
        color: white;
        padding: 10px;
        border-radius: 4px;
        opacity: 0;
        transition: opacity 0.5s;
    }
    .feedback.active {
        opacity: 1;
    }
    .parallax {
        height: 300px;
        background-image: url('https://images.gptkong.com/demo/sample2.png');
        background-attachment: fixed;
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
    }
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    .scroll-animation {
        animation: fadeIn 2s ease-in-out;
    }
    .tag {
        display: inline-block;
        background-color: #E8F4F8;
        color: #5A6D7B;
        padding: 5px 10px;
        border-radius: 20px;
        margin-right: 5px;
        margin-bottom: 5px;
        font-size: 0.875em;
    }
    /* Responsive Design */
    @media (max-width: 1440px) {
        main {
            max-width: 1024px;
        }
    }
    @media (max-width: 1200px) {
        main {
            max-width: 960px;
        }
    }
    @media (max-width: 1024px) {
        .hero {
            height: 250px;
        }
    }
    @media (max-width: 768px) {
        .container {
            grid-template-columns: 1fr;
        }
        .card {
            padding: 12px;
        }
    }
    @media (max-width: 480px) {
        header {
            flex-direction: column;
            align-items: flex-start;
        }
        .nav-links {
            flex-direction: column;
            width: 100%;
        }
        .nav-links a {
            padding: 10px 0;
        }
    }
    @media (max-width: 320px) {
        .hero {
            height: 200px;
        }
    }