* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #0c1a2d 0%, #152642 100%);
            color: #e0e7ff;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #74c0fc;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight {
            background: linear-gradient(90deg, #ff6b6b, #ffa8a8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }
        header {
            background: rgba(12, 26, 45, 0.95);
            border-bottom: 2px solid #1e3a8a;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(45deg, #60a5fa, #a78bfa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            text-decoration: none;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links a {
            color: #c7d2fe;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 6px;
        }
        .nav-links a:hover {
            background: rgba(96, 165, 250, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.8rem;
            color: #60a5fa;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            padding: 15px 0;
            background: rgba(30, 58, 138, 0.2);
            margin-bottom: 30px;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li {
            display: inline;
            color: #93c5fd;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 10px;
            color: #60a5fa;
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        article {
            background: rgba(15, 23, 42, 0.8);
            border-radius: 16px;
            padding: 40px;
            margin-bottom: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid #1e40af;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 25px;
            color: #60a5fa;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #38bdf8;
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #1e40af;
        }
        h3 {
            font-size: 1.6rem;
            color: #818cf8;
            margin: 28px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #a78bfa;
            margin: 22px 0 12px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        aside {
            background: rgba(30, 41, 59, 0.8);
            border-radius: 12px;
            padding: 25px;
            align-self: start;
            border: 1px solid #334155;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
        }
        ul, ol {
            padding-left: 25px;
            margin-bottom: 20px;
        }
        li {
            margin-bottom: 10px;
        }
        .feature-box {
            background: linear-gradient(145deg, #1e293b, #0f172a);
            border-left: 5px solid #3b82f6;
            padding: 20px;
            border-radius: 0 10px 10px 0;
            margin: 25px 0;
        }
        .code-block {
            font-family: monospace;
            background: #1a1a2e;
            color: #00ff9d;
            padding: 15px;
            border-radius: 8px;
            overflow-x: auto;
            margin: 20px 0;
            border: 1px solid #3b82f6;
        }
        .button {
            display: inline-block;
            background: linear-gradient(90deg, #3b82f6, #1d4ed8);
            color: white;
            padding: 12px 24px;
            border-radius: 8px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
        }
        .button:hover {
            background: linear-gradient(90deg, #1d4ed8, #1e40af);
            transform: translateY(-3px);
            text-decoration: none;
            box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
        }
        form {
            background: rgba(30, 41, 59, 0.7);
            padding: 25px;
            border-radius: 12px;
            margin: 25px 0;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            background: #0f172a;
            border: 1px solid #334155;
            border-radius: 6px;
            color: #e2e8f0;
            font-size: 1rem;
        }
        .rating {
            display: flex;
            gap: 5px;
            margin: 15px 0;
        }
        .star {
            color: #94a3b8;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #fbbf24;
        }
        footer {
            background: #0c1a2d;
            border-top: 2px solid #1e3a8a;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .friend-links {
            list-style: none;
            padding-left: 0;
        }
        .friend-links li {
            margin-bottom: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #1e40af;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 15px;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 20px;
                right: 20px;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(12, 26, 45, 0.98);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                border-top: 1px solid #1e3a8a;
            }
            #nav-toggle:checked ~ .nav-links {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 25px;
            }
        }