* {
            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-color: #0f1419;
            background-image: radial-gradient(circle at 15% 20%, rgba(30, 60, 114, 0.1) 0%, transparent 25%),
                              radial-gradient(circle at 85% 30%, rgba(114, 30, 60, 0.1) 0%, transparent 25%);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #74c0fc;
            text-shadow: 0 0 8px rgba(116, 192, 252, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1, h2, h3, h4 {
            color: #ffffff;
            font-weight: 700;
            line-height: 1.3;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        h1 {
            font-size: 2.8rem;
            background: linear-gradient(90deg, #ff6b6b, #4dabf7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            border-bottom: 3px solid #2b3a4a;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #4dabf7;
            padding-left: 10px;
            border-left: 5px solid #ff6b6b;
        }
        h3 {
            font-size: 1.8rem;
            color: #ffa94d;
        }
        h4 {
            font-size: 1.4rem;
            color: #a9e34b;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #b2bfd0;
            font-weight: 300;
            margin-bottom: 2rem;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(255,107,107,0.15), rgba(77,171,247,0.15));
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 4px solid #ff6b6b;
            margin: 2rem 0;
        }
        .term {
            color: #ffa94d;
            font-weight: bold;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .bold {
            font-weight: 700;
            color: #ffffff;
        }
        .container {
            width: 100%;
            padding-right: 15px;
            padding-left: 15px;
            margin-right: auto;
            margin-left: auto;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 992px) {
            .main-grid {
                grid-template-columns: 3fr 1fr;
            }
        }
        .site-header {
            background-color: rgba(15, 20, 25, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #1e3a5f;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .header-container {
                flex-direction: row;
                justify-content: space-between;
            }
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(90deg, #ff6b6b, #4dabf7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .logo a:hover {
            text-shadow: 0 0 15px rgba(77, 171, 247, 0.7);
        }
        .main-nav {
            width: 100%;
        }
        .nav-desktop {
            display: none;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            list-style: none;
        }
        @media (min-width: 768px) {
            .nav-desktop {
                display: flex;
            }
        }
        .nav-desktop a {
            color: #b2bfd0;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-desktop a:hover {
            background-color: rgba(77, 171, 247, 0.15);
            color: #4dabf7;
        }
        .nav-desktop a.active {
            background-color: rgba(255, 107, 107, 0.15);
            color: #ff6b6b;
        }
        .hamburger {
            display: block;
            background: none;
            border: none;
            color: #b2bfd0;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (min-width: 768px) {
            .hamburger {
                display: none;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            list-style: none;
            background-color: rgba(30, 40, 50, 0.98);
            border-radius: 10px;
            padding: 1rem;
            margin-top: 1rem;
            border: 1px solid #2b3a4a;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile li {
            margin-bottom: 0.5rem;
        }
        .nav-mobile a {
            display: block;
            padding: 0.8rem 1rem;
            border-radius: 5px;
            color: #b2bfd0;
        }
        .nav-mobile a:hover {
            background-color: rgba(77, 171, 247, 0.15);
            color: #4dabf7;
        }
        .breadcrumb {
            padding: 1rem 0;
            color: #8a9bb2;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #8a9bb2;
        }
        .breadcrumb a:hover {
            color: #4dabf7;
        }
        .breadcrumb span {
            margin: 0 5px;
        }
        .search-widget {
            background-color: rgba(30, 40, 50, 0.7);
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
            border: 1px solid #2b3a4a;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            background-color: #1a232e;
            border: 1px solid #2b3a4a;
            border-right: none;
            border-radius: 5px 0 0 5px;
            color: #e0e0e0;
            font-size: 1rem;
        }
        .search-input:focus {
            outline: none;
            border-color: #4dabf7;
        }
        .search-button {
            background-color: #2b3a4a;
            border: 1px solid #2b3a4a;
            border-radius: 0 5px 5px 0;
            color: #b2bfd0;
            padding: 0.8rem 1.5rem;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .search-button:hover {
            background-color: #3a4c5f;
            color: #ffffff;
        }
        .article-content {
            background-color: rgba(20, 27, 35, 0.8);
            border-radius: 15px;
            padding: 2rem;
            margin-bottom: 2rem;
            border: 1px solid #2b3a4a;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        .article-image {
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            border: 2px solid #3a4c5f;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
            max-width: 800px;
        }
        .article-image figcaption {
            padding: 0.8rem;
            background-color: #1a232e;
            color: #8a9bb2;
            font-size: 0.9rem;
            text-align: center;
        }
        .toc {
            background-color: rgba(30, 40, 50, 0.7);
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
            border-left: 5px solid #ff6b6b;
        }
        .toc h3 {
            margin-top: 0;
            color: #ffa94d;
        }
        .toc ul {
            list-style-type: none;
            padding-left: 0;
        }
        .toc li {
            margin-bottom: 0.7rem;
        }
        .toc a {
            color: #b2bfd0;
            display: block;
            padding: 0.3rem 0.5rem;
            border-radius: 3px;
        }
        .toc a:hover {
            background-color: rgba(77, 171, 247, 0.15);
            color: #4dabf7;
        }
        .strategy-box {
            background-color: rgba(30, 60, 114, 0.2);
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
            border: 1px solid #3a4c5f;
        }
        .strategy-box h4 {
            color: #a9e34b;
            margin-top: 0;
        }
        .sidebar {
            background-color: rgba(20, 27, 35, 0.8);
            border-radius: 15px;
            padding: 1.5rem;
            border: 1px solid #2b3a4a;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: #ffa94d;
            border-bottom: 2px solid #3a4c5f;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .rating-widget form, .comment-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #ffd43b;
            margin-bottom: 0.5rem;
        }
        .rating-stars i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .form-input, .form-textarea, .form-select {
            padding: 0.8rem;
            background-color: #1a232e;
            border: 1px solid #2b3a4a;
            border-radius: 5px;
            color: #e0e0e0;
            font-size: 1rem;
            width: 100%;
        }
        .form-input:focus, .form-textarea:focus, .form-select:focus {
            outline: none;
            border-color: #4dabf7;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-button {
            background: linear-gradient(90deg, #ff6b6b, #ffa94d);
            border: none;
            border-radius: 5px;
            color: white;
            padding: 0.8rem 1.5rem;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .form-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 107, 107, 0.4);
        }
        .quick-links {
            list-style: none;
            padding-left: 0;
        }
        .quick-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #3a4c5f;
        }
        .quick-links li:last-child {
            border-bottom: none;
        }
        .quick-links a {
            color: #b2bfd0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .quick-links a:hover {
            color: #4dabf7;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
        }
        .web-link {
            background-color: rgba(30, 40, 50, 0.7);
            border-radius: 8px;
            padding: 1rem;
            border: 1px solid #2b3a4a;
            transition: transform 0.3s, border-color 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            border-color: #4dabf7;
        }
        .web-link a {
            color: #b2bfd0;
            font-weight: 600;
            display: block;
            padding: 0.5rem;
        }
        .web-link a:hover {
            color: #4dabf7;
        }
        .site-footer {
            background-color: rgba(15, 20, 25, 0.95);
            border-top: 2px solid #1e3a5f;
            padding: 2rem 0;
            margin-top: 3rem;
            text-align: center;
            color: #8a9bb2;
            font-size: 0.9rem;
        }
        .copyright {
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid #2b3a4a;
        }
        .text-center {
            text-align: center;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }
        .mt-3 {
            margin-top: 3rem;
        }
        .hidden {
            display: none;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .article-content { padding: 1.5rem; }
            .sidebar { position: static; }
        }