* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f172a;
            color: #cbd5e1;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #38bdf8;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 60px 0;
        }
        h1, h2, h3, h4 {
            color: #f8fafc;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        h1 {
            font-size: 3rem;
            background: linear-gradient(90deg, #38bdf8, #a78bfa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid #38bdf8;
            padding-left: 15px;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.8rem;
            color: #cbd5e1;
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        strong {
            color: #fbbf24;
            font-weight: 600;
        }
        em {
            color: #a78bfa;
            font-style: italic;
        }
        ul, ol {
            margin-bottom: 1.5rem;
            padding-left: 2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        blockquote {
            border-left: 4px solid #f59e0b;
            padding: 1.5rem;
            margin: 2rem 0;
            background-color: #1e293b;
            border-radius: 0 8px 8px 0;
            font-style: italic;
        }
        hr {
            border: none;
            height: 2px;
            background: linear-gradient(90deg, #0f172a, #38bdf8, #0f172a);
            margin: 3rem 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        header {
            background-color: #1e293b;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #fbbf24, #f87171);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
        }
        .logo a:hover {
            background: linear-gradient(90deg, #f87171, #fbbf24);
            -webkit-background-clip: text;
            background-clip: text;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 2rem;
        }
        .nav-links a {
            color: #cbd5e1;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            bottom: 0;
            left: 0;
            background-color: #38bdf8;
            transition: width 0.3s ease;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.8rem;
            color: #cbd5e1;
        }
        .breadcrumb {
            background-color: #1e293b;
            padding: 12px 20px;
            font-size: 0.9rem;
            border-top: 1px solid #334155;
        }
        .breadcrumb a {
            color: #94a3b8;
        }
        .breadcrumb a:hover {
            color: #60a5fa;
        }
        .breadcrumb span {
            color: #cbd5e1;
            margin: 0 8px;
        }
        .hero {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.9)), url('https://images.unsplash.com/photo-1593305841991-05c297ba4575?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            text-align: center;
            padding: 100px 20px;
            border-bottom: 3px solid #38bdf8;
        }
        .hero h1 {
            margin-bottom: 1.5rem;
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2.5rem;
            color: #e2e8f0;
        }
        .search-container {
            max-width: 700px;
            margin: 30px auto;
            background: #1e293b;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
        }
        .search-container h3 {
            text-align: center;
            margin-bottom: 20px;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid #334155;
            background-color: #0f172a;
            color: #f1f5f9;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-form input:focus {
            outline: none;
            border-color: #38bdf8;
        }
        .search-form button {
            padding: 0 25px;
            background: linear-gradient(90deg, #38bdf8, #0ea5e9);
            color: white;
            border: none;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background: linear-gradient(90deg, #0ea5e9, #0284c7);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: #1e293b;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        aside {
            position: sticky;
            top: 150px;
            height: fit-content;
        }
        .sidebar-box {
            background-color: #1e293b;
            padding: 25px;
            margin-bottom: 25px;
            border-radius: 12px;
            border-left: 5px solid #f59e0b;
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
        }
        .sidebar-box h3 {
            font-size: 1.4rem;
            margin-bottom: 1rem;
        }
        .toc ul {
            list-style: none;
            padding-left: 0;
        }
        .toc li {
            margin-bottom: 10px;
            padding-bottom: 10px;
            border-bottom: 1px dashed #475569;
        }
        .toc a {
            display: block;
            padding: 5px 0;
        }
        .article-img {
            margin: 2.5rem auto;
            max-width: 800px;
            border: 3px solid #475569;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
        }
        .article-img figcaption {
            text-align: center;
            font-style: italic;
            color: #94a3b8;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .interaction-box {
            background-color: #1e293b;
            padding: 30px;
            border-radius: 12px;
            margin-top: 40px;
            border-top: 5px solid #10b981;
        }
        .interaction-box h2 {
            border-left-color: #10b981;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: #cbd5e1;
            font-weight: 500;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            background-color: #0f172a;
            border: 2px solid #334155;
            border-radius: 8px;
            color: #f1f5f9;
            font-size: 1rem;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #38bdf8;
        }
        .rating {
            display: flex;
            gap: 10px;
            margin: 10px 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #475569;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #fbbf24;
        }
        .submit-btn {
            background: linear-gradient(90deg, #10b981, #059669);
            color: white;
            padding: 15px 30px;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease;
            display: inline-block;
        }
        .submit-btn:hover {
            background: linear-gradient(90deg, #059669, #047857);
        }
        .longtail-links {
            background-color: #1e293b;
            padding: 40px 20px;
            border-top: 2px solid #475569;
            border-bottom: 2px solid #475569;
        }
        .web-link {
            display: inline-block;
            background-color: #0f172a;
            margin: 10px;
            padding: 12px 24px;
            border-radius: 30px;
            border: 1px solid #334155;
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background-color: #38bdf8;
            border-color: #38bdf8;
        }
        .web-link:hover a {
            color: #0f172a;
        }
        .web-link a {
            color: #94a3b8;
            font-weight: 500;
        }
        footer {
            background-color: #0f172a;
            text-align: center;
            padding: 40px 20px;
            border-top: 1px solid #334155;
        }
        .copyright {
            color: #94a3b8;
            font-size: 0.9rem;
            margin-top: 20px;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .header-container { padding: 15px; }
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background-color: #1e293b;
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 40px;
                transition: left 0.5s ease;
            }
            .nav-links.active {
                left: 0;
            }
            .nav-links li {
                margin: 15px 0;
            }
            .hamburger {
                display: block;
            }
            .content-wrapper {
                gap: 30px;
            }
            article, .search-container, .sidebar-box, .interaction-box {
                padding: 25px;
            }
            .hero {
                padding: 70px 20px;
            }
        }