* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #0c1a2d 0%, #1a3a5f 100%);
            color: #f0f0f0;
            line-height: 1.7;
            max-width: 100%;
            overflow-x: hidden;
        }
        header {
            background: rgba(12, 26, 45, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 5%;
            border-bottom: 2px solid #d4af37;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #d4af37;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
            transition: all 0.3s ease;
        }
        .my-logo:hover {
            color: #ffdf70;
            text-shadow: 0 0 20px rgba(212, 175, 55, 0.8);
            transform: scale(1.03);
        }
        .my-logo span {
            color: #4dabf7;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 1024px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: #c0c0c0;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: all 0.3s;
        }
        .nav-desktop a:hover {
            background: #1e3a5f;
            color: #d4af37;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #d4af37;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 1024px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            width: 100%;
            background: #0c1a2d;
            margin-top: 1rem;
            border-radius: 10px;
            overflow: hidden;
            max-height: 0;
            transition: max-height 0.5s ease-out;
        }
        .nav-mobile.active {
            display: flex;
            max-height: 500px;
        }
        .nav-mobile a {
            padding: 1rem;
            color: #c0c0c0;
            text-decoration: none;
            border-bottom: 1px solid #1a3a5f;
            transition: all 0.3s;
        }
        .nav-mobile a:hover {
            background: #1e3a5f;
            color: #d4af37;
            padding-left: 1.5rem;
        }
        .breadcrumb {
            padding: 1rem 5%;
            background: rgba(26, 58, 95, 0.6);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #4dabf7;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #d4af37;
        }
        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 5%;
        }
        article {
            background: rgba(26, 58, 95, 0.3);
            border-radius: 15px;
            padding: 2.5rem;
            margin-bottom: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid #2a4a75;
        }
        h1 {
            font-size: 2.8rem;
            color: #d4af37;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        h2 {
            font-size: 2rem;
            color: #4dabf7;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #d4af37;
        }
        h3 {
            font-size: 1.6rem;
            color: #ffdf70;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #a3d9ff;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .intro {
            font-size: 1.2rem;
            background: rgba(212, 175, 55, 0.1);
            padding: 1.5rem;
            border-left: 5px solid #d4af37;
            border-radius: 0 10px 10px 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(77, 171, 247, 0.15) 0%, transparent 100%);
            padding: 1.5rem;
            border-radius: 10px;
            margin: 1.5rem 0;
            border-left: 4px solid #4dabf7;
        }
        .tip {
            background: rgba(212, 175, 55, 0.1);
            padding: 1rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            border-left: 4px solid #d4af37;
        }
        .tip::before {
            content: '💡 Pro Tip: ';
            font-weight: bold;
            color: #ffdf70;
        }
        em {
            color: #ffdf70;
            font-style: italic;
        }
        strong {
            color: #4dabf7;
            font-weight: 700;
        }
        a.content-link {
            color: #4dabf7;
            text-decoration: none;
            border-bottom: 1px dotted #4dabf7;
            transition: all 0.3s;
        }
        a.content-link:hover {
            color: #ffdf70;
            border-bottom: 1px solid #ffdf70;
            background: rgba(77, 171, 247, 0.1);
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            border: 3px solid #d4af37;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
            transition: transform 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .feature-box {
            background: rgba(12, 26, 45, 0.8);
            border-radius: 10px;
            padding: 2rem;
            border: 1px solid #2a4a75;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .feature-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(212, 175, 55, 0.2);
        }
        .feature-box h3 {
            color: #d4af37;
            margin-top: 0;
        }
        .feature-box form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .feature-box input,
        .feature-box textarea,
        .feature-box select {
            padding: 0.8rem;
            border-radius: 5px;
            border: 1px solid #2a4a75;
            background: #0c1a2d;
            color: #f0f0f0;
            font-size: 1rem;
        }
        .feature-box textarea {
            min-height: 120px;
            resize: vertical;
        }
        .feature-box button {
            padding: 0.8rem;
            background: linear-gradient(to right, #d4af37, #ffdf70);
            color: #0c1a2d;
            border: none;
            border-radius: 5px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }
        .feature-box button:hover {
            background: linear-gradient(to right, #ffdf70, #d4af37);
            box-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 2rem;
            margin: 1rem 0;
        }
        .star-rating i {
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating i.active,
        .star-rating i:hover,
        .star-rating i:hover ~ i {
            color: #ffdf70;
        }
        .last-updated {
            text-align: center;
            font-style: italic;
            color: #a3d9ff;
            margin: 2rem 0;
            padding: 1rem;
            background: rgba(26, 58, 95, 0.5);
            border-radius: 10px;
        }
        footer {
            background: #0c1a2d;
            padding: 3rem 5% 1.5rem;
            border-top: 2px solid #d4af37;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #d4af37;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-section a {
            color: #a3d9ff;
            text-decoration: none;
            display: block;
            margin-bottom: 0.8rem;
            transition: color 0.3s;
        }
        .footer-section a:hover {
            color: #ffdf70;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            padding: 0.8rem;
            background: rgba(26, 58, 95, 0.5);
            border-radius: 5px;
            margin-bottom: 0.8rem;
            border-left: 3px solid #4dabf7;
        }
        friend-link a {
            color: #ffdf70 !important;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1a3a5f;
            color: #a3d9ff;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            article {
                padding: 1.5rem;
            }
            .features {
                grid-template-columns: 1fr;
            }
            .header-container, .breadcrumb, main, footer {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }