* {
            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, #0c2461 0%, #1e3799 100%);
            color: #f5f5f5;
            line-height: 1.8;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #ffeb3b;
            text-shadow: 0 0 8px rgba(255, 235, 59, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(15, 32, 80, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 3px solid #ff9800;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #ff9800, #ffeb3b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .search-form {
            display: flex;
            flex-grow: 0.4;
        }
        .search-input {
            flex-grow: 1;
            padding: 12px 20px;
            border: 2px solid #4fc3f7;
            border-radius: 50px 0 0 50px;
            background: rgba(255,255,255,0.1);
            color: white;
            font-size: 1rem;
        }
        .search-btn {
            background: linear-gradient(to right, #4fc3f7, #2196f3);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s;
        }
        .search-btn:hover {
            background: linear-gradient(to right, #2196f3, #0d8bf2);
            transform: scale(1.05);
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
        }
        .main-nav {
            display: flex;
            list-style: none;
        }
        .main-nav li {
            margin: 0 15px;
        }
        .main-nav a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 10px 15px;
            border-radius: 8px;
            display: block;
        }
        .main-nav a:hover {
            background: rgba(79, 195, 247, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ff9800;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.95rem;
            color: #bbb;
        }
        .breadcrumb a:hover {
            color: #ffeb3b;
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        .article-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .article-grid {
                grid-template-columns: 1fr;
            }
        }
        .content-area {
            background: rgba(30, 40, 100, 0.8);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.4);
            border: 1px solid rgba(255,255,255,0.1);
        }
        .sidebar {
            background: rgba(20, 30, 80, 0.8);
            border-radius: 20px;
            padding: 25px;
            align-self: start;
            position: sticky;
            top: 150px;
        }
        h1 {
            font-size: 2.8rem;
            color: #ffeb3b;
            margin-bottom: 25px;
            text-shadow: 0 2px 10px rgba(255, 235, 59, 0.3);
            line-height: 1.3;
        }
        h2 {
            font-size: 2rem;
            color: #4fc3f7;
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #4fc3f7;
        }
        h3 {
            font-size: 1.6rem;
            color: #ff9800;
            margin: 25px 0 15px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: rgba(255, 152, 0, 0.15);
            border-left: 5px solid #ff9800;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .emoji {
            font-size: 1.3em;
            margin-right: 8px;
        }
        .feature-img {
            margin: 30px auto;
            text-align: center;
        }
        .feature-img figcaption {
            margin-top: 10px;
            font-style: italic;
            color: #aaa;
        }
        .interaction-section {
            background: rgba(15, 25, 70, 0.9);
            border-radius: 15px;
            padding: 30px;
            margin: 40px 0;
        }
        .interaction-section h3 {
            color: #ffeb3b;
        }
        .rating-box, .comment-box {
            margin-top: 20px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffeb3b;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
            color: #4fc3f7;
        }
        .form-control {
            width: 100%;
            padding: 15px;
            border-radius: 10px;
            border: 2px solid #4fc3f7;
            background: rgba(255,255,255,0.1);
            color: white;
            font-size: 1rem;
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, #ff9800, #ff5722);
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 50px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: bold;
            transition: all 0.3s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(255, 87, 34, 0.4);
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin: 40px 0;
            padding: 30px;
            background: rgba(10, 20, 60, 0.9);
            border-radius: 15px;
        }
        @media (max-width: 768px) {
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .web-link {
            background: rgba(79, 195, 247, 0.1);
            padding: 15px;
            border-radius: 10px;
            transition: all 0.3s;
        }
        .web-link:hover {
            background: rgba(79, 195, 247, 0.25);
            transform: translateY(-5px);
        }
        footer {
            background: rgba(5, 15, 40, 0.95);
            padding: 40px 0 20px;
            margin-top: 50px;
            border-top: 3px solid #ff9800;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 20px;
            }
            .search-form {
                width: 100%;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(15, 32, 80, 0.98);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                border-top: 2px solid #ff9800;
            }
            .main-nav.active {
                display: flex;
            }
            .main-nav li {
                margin: 10px 0;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .content-area, .sidebar {
                padding: 25px;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
        }