* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f1419;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #74c0fc;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 60px 0;
        }
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 2rem;
            color: #ffffff;
            border-left: 5px solid #4dabf7;
            padding-left: 20px;
        }
        .sub-title {
            font-size: 1.8rem;
            margin: 1.5rem 0 1rem;
            color: #b2e0ff;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(77,171,247,0.2), transparent);
            padding: 15px;
            border-radius: 8px;
            margin: 20px 0;
            border-left: 4px solid #4dabf7;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .main-header {
            background: rgba(15, 20, 25, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid #2a323d;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: #4dabf7;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: #ffd43b;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: #cccccc;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 0;
            position: relative;
        }
        .main-nav a:hover, .main-nav a.active {
            color: #4dabf7;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4dabf7;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.8rem;
            color: #cccccc;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #1a2129;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: #666;
        }
        .breadcrumb a {
            color: #a0aec0;
        }
        .breadcrumb a:hover {
            color: #4dabf7;
        }
        .hero {
            background: linear-gradient(135deg, #1a2b3c 0%, #0f1419 100%);
            padding: 80px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            color: #ffffff;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: #b0b9c5;
        }
        .search-box {
            max-width: 600px;
            margin: 40px auto;
            background: #1e2530;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        .search-box h2 {
            margin-bottom: 20px;
            color: #ffffff;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid #2a3a4d;
            background: #111820;
            color: #ffffff;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-btn {
            padding: 0 25px;
            background: #4dabf7;
            color: white;
            border: none;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: #339af0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-image {
            margin: 30px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
        }
        .article-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-image img:hover {
            transform: scale(1.03);
        }
        .fig-caption {
            text-align: center;
            font-style: italic;
            padding: 10px;
            color: #94a3b8;
            background: #1a2129;
        }
        .sidebar-widget {
            background: #1a2129;
            padding: 25px;
            border-radius: 12px;
            margin-bottom: 30px;
            border: 1px solid #2a323d;
        }
        .sidebar-title {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: #ffffff;
            padding-bottom: 10px;
            border-bottom: 2px solid #4dabf7;
        }
        .rating-widget {
            text-align: center;
        }
        .star-rating {
            font-size: 2rem;
            color: #ffd43b;
            margin: 15px 0;
            cursor: pointer;
        }
        .star-rating i {
            margin: 0 2px;
            transition: transform 0.2s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea, .rating-form select {
            width: 100%;
            padding: 15px;
            background: #111820;
            border: 1px solid #2a3a4d;
            border-radius: 8px;
            color: #ffffff;
            margin-bottom: 15px;
            font-size: 1rem;
        }
        .submit-btn {
            width: 100%;
            padding: 15px;
            background: #4dabf7;
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background: #339af0;
        }
        .footer-links {
            background: #1a2129;
            padding: 50px 0 30px;
            border-top: 1px solid #2a323d;
        }
        .web-link {
            display: inline-block;
            margin: 0 15px 15px 0;
            padding: 10px 20px;
            background: #252f3d;
            border-radius: 6px;
            transition: all 0.3s;
        }
        .web-link:hover {
            background: #2d3748;
            transform: translateY(-3px);
        }
        .main-footer {
            background: #111820;
            padding: 40px 0;
            text-align: center;
            color: #94a3b8;
            font-size: 0.95rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .copyright {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #2a323d;
            width: 100%;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 80px);
                background: rgba(15, 20, 25, 0.98);
                backdrop-filter: blur(10px);
                flex-direction: column;
                padding: 40px 20px;
                transition: left 0.4s ease;
                z-index: 999;
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 20px;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 2rem;
            }
        }