* {
            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: #e2e8f0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #93c5fd;
            transform: translateY(-1px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .flex {
            display: flex;
        }
        .grid {
            display: grid;
        }
        .text-center { text-align: center; }
        .text-bold { font-weight: 700; }
        .text-highlight {
            background: linear-gradient(90deg, #f59e0b, #fbbf24);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 800;
        }
        .section-spacing {
            padding: 60px 0;
        }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .site-header {
            background-color: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid #334155;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(45deg, #3b82f6, #ef4444);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: #cbd5e1;
            font-weight: 600;
            padding: 8px 5px;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #3b82f6;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            color: #cbd5e1;
            font-size: 1.8rem;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #1e293b;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 10px;
            color: #64748b;
        }
        main {
            min-height: 80vh;
            background: radial-gradient(ellipse at top, #1e293b 0%, #0f172a 100%);
        }
        .article-header {
            padding: 40px 0;
            border-bottom: 2px solid #334155;
        }
        .article-header h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
            background: linear-gradient(to right, #60a5fa, #f87171);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .meta-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            color: #94a3b8;
            font-size: 0.95rem;
        }
        .article-content {
            font-size: 1.15rem;
            max-width: 900px;
            margin: 0 auto;
        }
        .article-content > * + * {
            margin-top: 1.8em;
        }
        .article-content p {
            text-align: justify;
            hyphens: auto;
        }
        .article-content h2 {
            font-size: 2.5rem;
            color: #f1f5f9;
            border-left: 5px solid #3b82f6;
            padding-left: 15px;
            margin-top: 2.5em;
            margin-bottom: 1em;
        }
        .article-content h3 {
            font-size: 1.8rem;
            color: #e2e8f0;
            margin-top: 2em;
            margin-bottom: 0.8em;
        }
        .article-content h4 {
            font-size: 1.4rem;
            color: #cbd5e1;
            margin-top: 1.5em;
            margin-bottom: 0.5em;
        }
        .article-content ul, .article-content ol {
            padding-left: 2em;
            margin: 1em 0;
        }
        .article-content blockquote {
            border-left: 4px solid #f59e0b;
            padding-left: 20px;
            font-style: italic;
            color: #fbbf24;
            background-color: rgba(245, 158, 11, 0.05);
            padding: 20px;
            border-radius: 0 8px 8px 0;
            margin: 2em 0;
        }
        .inline-link {
            font-weight: 700;
            border-bottom: 1px dashed #60a5fa;
        }
        .featured-image {
            margin: 3em auto;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
            border: 2px solid #334155;
        }
        .interactive-module {
            background-color: #1e293b;
            border-radius: 12px;
            padding: 30px;
            margin: 40px 0;
            border: 1px solid #475569;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            margin-bottom: 25px;
            color: #f1f5f9;
        }
        .module-title i {
            color: #3b82f6;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
            color: #cbd5e1;
        }
        .form-input, .form-textarea {
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid #475569;
            background-color: #0f172a;
            color: #e2e8f0;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: #60a5fa;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            cursor: pointer;
            justify-content: center;
        }
        .star-rating .star {
            color: #475569;
            transition: color 0.2s ease;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #fbbf24;
        }
        .btn {
            padding: 14px 28px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            background: linear-gradient(90deg, #3b82f6, #1d4ed8);
            color: white;
            align-self: flex-start;
            transition: all 0.3s ease;
        }
        .btn:hover {
            background: linear-gradient(90deg, #1d4ed8, #3b82f6);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(29, 78, 216, 0.3);
        }
        .site-footer {
            background-color: #1e293b;
            color: #94a3b8;
            padding: 50px 0 20px;
            border-top: 1px solid #334155;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: #f1f5f9;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            padding: 8px 0;
            border-bottom: 1px dotted #475569;
            color: #cbd5e1;
        }
        friend-link:last-child {
            border-bottom: none;
        }
        friend-link:hover {
            color: #60a5fa;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #334155;
            font-size: 0.9rem;
            color: #64748b;
        }
        @media (max-width: 992px) {
            .article-header h1 { font-size: 2.8rem; }
            .article-content h2 { font-size: 2.2rem; }
            .article-content h3 { font-size: 1.6rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: rgba(15, 23, 42, 0.98);
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease-in-out;
                padding: 20px;
                z-index: 999;
            }
            .main-nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav ul {
                flex-direction: column;
                align-items: center;
                gap: 20px;
            }
            .article-header h1 { font-size: 2.2rem; }
            .article-content h2 { font-size: 1.9rem; }
            .article-content { font-size: 1.05rem; }
            .header-container, .meta-info {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .btn { align-self: stretch; text-align: center; }
        }
        @media (max-width: 480px) {
            .article-header h1 { font-size: 1.8rem; }
            .article-content h2 { font-size: 1.6rem; }
            .interactive-module { padding: 20px; }
            .star-rating { font-size: 1.5rem; }
        }