:root {
        --primary-color: #0A2463;
        --secondary-color: #1E1E1E;
        --accent-color: #6F2DBD;
        --highlight-color: #FFA500;
        --background-gradient: linear-gradient(135deg, #0A2463 0%, #1E1E1E 100%);
        --text-color: #FFFFFF;
        --subtext-color: #CCCCCC;
        --border-color: rgba(255, 255, 255, 0.2);
        --transition-speed: 0.3s;
        --font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    }

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: var(--font-family);
        background: var(--background-gradient);
        color: var(--text-color);
        line-height: 1.6;
        font-size: 16px;
        overflow-x: hidden;
    }

    header {
        padding: 60px 20px;
        text-align: center;
        background: rgba(10, 36, 99, 0.8);
        position: relative;
    }

    header h1 {
        font-size: 2.5em;
        font-weight: bold;
        background: -webkit-linear-gradient(45deg, #6F2DBD, #FFA500);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        transition: font-size var(--transition-speed);
    }

    header h1:hover {
        font-size: 2.6em;
    }

    header p {
        margin-top: 10px;
        font-size: 1.2em;
        color: var(--subtext-color);
    }

    .floating-nav {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid var(--border-color);
        border-radius: 10px;
        padding: 15px 25px;
        z-index: 1000;
        backdrop-filter: blur(10px);
    }

    .floating-nav a {
        color: var(--highlight-color);
        text-decoration: none;
        margin: 0 10px;
        font-weight: 600;
        transition: color var(--transition-speed), transform var(--transition-speed);
    }

    .floating-nav a:hover {
        color: #FFFFFF;
        transform: scale(1.1);
    }

    article {
        padding: 40px 20px;
        max-width: 1200px;
        margin: auto;
    }

    article h2, article h3, article h4 {
        margin-bottom: 20px;
        color: var(--highlight-color);
    }

    article h2 {
        font-size: 2em;
        text-align: center;
        position: relative;
        padding-bottom: 10px;
    }

    article h2::after {
        content: '';
        display: block;
        width: 50px;
        height: 3px;
        background: var(--accent-color);
        margin: 10px auto 0;
        border-radius: 2px;
    }

    article h3 {
        font-size: 1.5em;
        margin-top: 40px;
    }

    article h4 {
        font-size: 1.2em;
        margin-top: 30px;
    }

    article p {
        margin-bottom: 20px;
        color: var(--text-color);
    }

    article pre {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    article code {
        color: #FFA500;
        font-family: 'Courier New', Courier, monospace;
    }

    section {
        margin-bottom: 50px;
        padding: 20px;
        background: rgba(30, 30, 30, 0.8);
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
        position: relative;
        transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    }

    section:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.7);
    }

    .decorative-line {
        width: 100%;
        height: 2px;
        background: linear-gradient(90deg, #0A2463, #6F2DBD, #FFA500);
        margin: 30px 0;
        border-radius: 1px;
    }

    .image-container {
        text-align: center;
        margin: 20px 0;
    }

    .image-container img {
        width: 100%;
        max-width: 320px;
        border-radius: 15px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    }

    .image-container img:hover {
        transform: scale(1.05);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .reference-note {
        text-align: center;
        font-size: 1em;
        color: var(--subtext-color);
        margin: 40px 0;
        font-style: italic;
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }

        .floating-nav {
            padding: 10px 15px;
        }

        .floating-nav a {
            margin: 0 5px;
            font-size: 0.9em;
        }

        article h2 {
            font-size: 1.8em;
        }

        article h3 {
            font-size: 1.3em;
        }

        article h4 {
            font-size: 1em;
        }

        .image-container img {
            max-width: 100%;
        }

        section {
            padding: 15px;
        }

        .decorative-line {
            margin: 20px 0;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.8em;
        }

        .floating-nav {
            display: none;
        }

        .mobile-menu {
            display: block;
            position: fixed;
            top: 20px;
            right: 20px;
            background: rgba(255, 255, 255, 0.1);
            padding: 10px;
            border-radius: 5px;
            cursor: pointer;
            z-index: 1001;
        }

        .mobile-menu div {
            width: 25px;
            height: 3px;
            background: #FFA500;
            margin: 4px 0;
            transition: all var(--transition-speed);
        }

        nav.mobile-nav {
            display: none;
            position: fixed;
            top: 60px;
            right: 20px;
            background: rgba(30, 30, 30, 0.9);
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
            z-index: 1000;
        }

        nav.mobile-nav a {
            display: block;
            margin: 15px 0;
            color: #FFA500;
            text-decoration: none;
            font-size: 1.2em;
            transition: color var(--transition-speed);
        }

        nav.mobile-nav a:hover {
            color: #FFFFFF;
        }
    }

    /* Animation for loading */
    @keyframes energyFlow {
        0% {
            opacity: 0;
            transform: scale(0.5);
        }
        100% {
            opacity: 1;
            transform: scale(1);
        }
    }

    body {
        animation: energyFlow 1s ease-out;
    }