* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f172a;
            color: #f1f5f9;
            line-height: 1.8;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #38bdf8;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 1rem 0;
            border-bottom: 2px solid #334155;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            text-decoration: none;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0.3rem;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: #3b82f6;
            left: 0;
            bottom: 0;
            transition: width 0.3s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f1f5f9;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .search-form {
            display: flex;
            margin-left: 2rem;
        }
        .search-form input {
            padding: 0.6rem 1rem;
            border: 1px solid #475569;
            border-radius: 30px 0 0 30px;
            background-color: #1e293b;
            color: #f1f5f9;
            min-width: 220px;
        }
        .search-form button {
            padding: 0.6rem 1.2rem;
            border: 1px solid #475569;
            border-left: none;
            border-radius: 0 30px 30px 0;
            background-color: #3b82f6;
            color: white;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background-color: #2563eb;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        .main-content {
            flex: 1;
            padding: 2rem 0;
        }
        .article-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .article-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .article-main {
            background-color: #1e293b;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        .article-header {
            margin-bottom: 2.5rem;
            border-bottom: 1px solid #334155;
            padding-bottom: 1.5rem;
        }
        .article-title {
            font-size: 2.8rem;
            margin-bottom: 1rem;
            color: #f8fafc;
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: #94a3b8;
            font-size: 0.95rem;
        }
        .last-updated {
            background-color: #334155;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
        }
        .article-content h2 {
            font-size: 2rem;
            color: #e2e8f0;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #475569;
        }
        .article-content h3 {
            font-size: 1.6rem;
            color: #cbd5e1;
            margin: 2rem 0 1rem;
        }
        .article-content h4 {
            font-size: 1.3rem;
            color: #94a3b8;
            margin: 1.5rem 0 0.8rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: rgba(59, 130, 246, 0.15);
            border-left: 4px solid #3b82f6;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .bold {
            font-weight: 800;
            color: #fbbf24;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3em;
        }
        .inline-link {
            font-weight: 600;
            border-bottom: 1px dotted #60a5fa;
        }
        .feature-img {
            margin: 2rem auto;
            text-align: center;
        }
        .feature-img figcaption {
            margin-top: 0.5rem;
            font-style: italic;
            color: #94a3b8;
            font-size: 0.95rem;
        }
        .sidebar {
            background-color: #1e293b;
            padding: 1.8rem;
            border-radius: 12px;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-title {
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            color: #f1f5f9;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #475569;
        }
        .links-list {
            list-style: none;
        }
        .links-list li {
            margin-bottom: 0.8rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .links-list li::before {
            content: '▶';
            position: absolute;
            left: 0;
            color: #60a5fa;
            font-size: 0.8rem;
        }
        .interaction-section {
            margin-top: 3rem;
            background-color: #1e293b;
            padding: 2rem;
            border-radius: 12px;
        }
        .section-title {
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            color: #f8fafc;
        }
        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem 1rem;
            background-color: #0f172a;
            border: 1px solid #475569;
            border-radius: 6px;
            color: #f1f5f9;
            font-size: 1rem;
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #475569;
            cursor: pointer;
        }
        .star-rating .star {
            transition: color 0.2s;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #fbbf24;
        }
        .submit-btn {
            background: linear-gradient(90deg, #3b82f6, #8b5cf6);
            color: white;
            border: none;
            padding: 0.9rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 30px;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
        }
        .site-footer {
            background-color: #0d1321;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 2px solid #334155;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: #60a5fa;
            margin-bottom: 1rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1rem;
        }
        friend-link {
            background-color: #1e293b;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.9rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            .main-nav {
                width: 100%;
                display: none;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
                margin-top: 1rem;
            }
            .main-nav li {
                border-bottom: 1px solid #334155;
            }
            .main-nav a {
                display: block;
                padding: 0.8rem 0;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.2rem;
                right: 20px;
            }
            .search-form {
                margin-left: 0;
                margin-top: 1rem;
                width: 100%;
            }
            .search-form input {
                flex: 1;
                min-width: auto;
            }
            .article-title {
                font-size: 2.2rem;
            }
            .article-main {
                padding: 1.8rem;
            }
            .meta-info {
                flex-direction: column;
                align-items: flex-start;
            }
        }