* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: #121212;
            background-image: radial-gradient(circle at 15% 50%, rgba(30, 60, 114, 0.1) 0%, transparent 55%), radial-gradient(circle at 85% 30%, rgba(114, 30, 60, 0.1) 0%, transparent 55%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #a5d8ff;
            text-shadow: 0 0 8px rgba(77, 171, 247, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: rgba(18, 25, 40, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #1e3a8a;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', 'Arial Bold', Gadget, sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(90deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4, #feca57);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
            letter-spacing: 1px;
        }
        .my-logo:hover {
            animation: logo-glow 1.5s ease infinite alternate;
        }
        @keyframes logo-glow {
            from { filter: drop-shadow(0 0 5px rgba(255, 107, 107, 0.7)); }
            to { filter: drop-shadow(0 0 15px rgba(78, 205, 196, 0.9)); }
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .main-nav a {
            color: #cbd5e1;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 12px;
            border-radius: 6px;
            position: relative;
        }
        .main-nav a:hover {
            background: rgba(30, 58, 138, 0.3);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: #4dabf7;
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        .main-nav a:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #cbd5e1;
            cursor: pointer;
            background: none;
            border: none;
        }
        .breadcrumb {
            padding: 15px 0;
            background: rgba(30, 41, 59, 0.6);
            border-bottom: 1px solid #334155;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: #94a3b8;
        }
        .main-content {
            flex: 1;
            padding: 40px 0;
        }
        .article-container {
            background: rgba(30, 41, 59, 0.7);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid #475569;
        }
        h1, h2, h3, h4 {
            color: #f8fafc;
            font-weight: 700;
            line-height: 1.3;
            margin-top: 1.5em;
            margin-bottom: 0.7em;
        }
        h1 {
            font-size: 3.2rem;
            border-bottom: 3px solid #4dabf7;
            padding-bottom: 15px;
            margin-top: 0;
            text-align: center;
        }
        h2 {
            font-size: 2.4rem;
            color: #a5d8ff;
            padding-left: 15px;
            border-left: 5px solid #ff6b6b;
        }
        h3 {
            font-size: 1.8rem;
            color: #96ceb4;
        }
        h4 {
            font-size: 1.4rem;
            color: #feca57;
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #cbd5e1;
            font-weight: 500;
            text-align: center;
            margin: 25px 0;
            padding: 20px;
            background: rgba(30, 58, 138, 0.2);
            border-radius: 10px;
            border-left: 5px solid #4dabf7;
        }
        strong {
            color: #feca57;
            font-weight: 700;
        }
        .highlight {
            background: rgba(255, 107, 107, 0.15);
            padding: 2px 6px;
            border-radius: 4px;
            color: #ffd8d8;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        ul, ol {
            margin-left: 2em;
            margin-bottom: 1.5em;
        }
        li {
            margin-bottom: 0.8em;
        }
        .article-img {
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            border: 3px solid #475569;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
            max-width: 800px;
        }
        .article-img img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-img:hover img {
            transform: scale(1.03);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #94a3b8;
            padding: 10px;
            background: rgba(30, 41, 59, 0.8);
        }
        .module {
            background: rgba(15, 23, 42, 0.8);
            border-radius: 10px;
            padding: 25px;
            margin: 30px 0;
            border: 1px solid #334155;
        }
        .module-title {
            font-size: 1.5rem;
            color: #4dabf7;
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-module form {
            display: flex;
        }
        .search-module input {
            flex: 1;
            padding: 15px;
            border: 2px solid #475569;
            background: #1e293b;
            color: #f8fafc;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .search-module input:focus {
            outline: none;
            border-color: #4dabf7;
        }
        .search-module button {
            background: linear-gradient(135deg, #1e3a8a, #3b82f6);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-module button:hover {
            background: linear-gradient(135deg, #3b82f6, #60a5fa);
        }
        .rating-module, .comment-module {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #94a3b8;
        }
        .star-rating .star {
            cursor: pointer;
            transition: color 0.2s, transform 0.2s;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #feca57;
            transform: scale(1.2);
        }
        .rating-module button, .comment-module button {
            align-self: flex-start;
            background: linear-gradient(135deg, #10b981, #34d399);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: background 0.3s, transform 0.2s;
        }
        .rating-module button:hover, .comment-module button:hover {
            background: linear-gradient(135deg, #34d399, #6ee7b7);
            transform: translateY(-3px);
        }
        .comment-module textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #475569;
            background: #1e293b;
            color: #f8fafc;
            border-radius: 8px;
            font-size: 1rem;
            min-height: 120px;
            resize: vertical;
            transition: border 0.3s;
        }
        .comment-module textarea:focus {
            outline: none;
            border-color: #10b981;
        }
        .site-footer {
            background: rgba(15, 23, 42, 0.98);
            border-top: 2px solid #1e3a8a;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-section h3 {
            font-size: 1.5rem;
            color: #a5d8ff;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #334155;
        }
        .friend-links {
            list-style: none;
        }
        .friend-links li {
            margin-bottom: 12px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.1rem; }
            .article-container { padding: 30px; }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
                order: 1;
            }
            .my-logo {
                order: 0;
                font-size: 1.9rem;
            }
            .main-nav {
                order: 2;
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .main-nav.active {
                max-height: 300px;
                margin-top: 20px;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 15px;
                border-radius: 0;
                border-bottom: 1px solid #334155;
            }
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.9rem; }
            h3 { font-size: 1.6rem; }
            .lead { font-size: 1.2rem; }
            .article-container { padding: 20px; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            .breadcrumb { font-size: 0.8rem; }
            .search-module form { flex-direction: column; }
            .search-module input, .search-module button { border-radius: 8px; margin-bottom: 10px; }
        }