* { 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: #2c3e50;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .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: linear-gradient(90deg, #1a2980, #26d0ce);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -1px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            background: linear-gradient(to right, #ffecd2, #fcb69f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .main-nav ul {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            font-weight: 600;
            padding: 0.5rem 0.75rem;
            border-radius: 4px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background: #eef2f7;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: #7f8c8d;
        }
        .breadcrumb a:hover { color: #1a2980; }
        .search-section {
            background: white;
            padding: 2rem 0;
            border-bottom: 1px solid #e0e6ed;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background: linear-gradient(90deg, #1a2980, #26d0ce);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: 600;
            transition: opacity 0.3s;
        }
        .search-button:hover { opacity: 0.9; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 3rem 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 8px 30px rgba(0,0,0,0.06);
        }
        .article-header { margin-bottom: 2.5rem; }
        .article-header h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            color: #1a2980;
            margin-bottom: 1rem;
        }
        .meta-info {
            color: #7f8c8d;
            font-size: 0.95rem;
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .content-section h2 {
            font-size: 2rem;
            color: #2c3e50;
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #26d0ce;
        }
        .content-section h3 {
            font-size: 1.5rem;
            color: #34495e;
            margin: 1.5rem 0 0.8rem;
        }
        .content-section p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fdfcfb 0%, #f6f3ef 100%);
            border-left: 5px solid #1a2980;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .featured-image {
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .featured-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .featured-image:hover img { transform: scale(1.03); }
        .caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            color: #1a2980;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e0e6ed;
        }
        .rating-widget .stars {
            font-size: 1.8rem;
            color: #ffc107;
            margin-bottom: 1rem;
            text-align: center;
        }
        .rating-form { display: flex; flex-direction: column; gap: 1rem; }
        .rating-form select,
        .rating-form textarea,
        .rating-form input {
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-family: inherit;
        }
        .rating-form button {
            background: #1a2980;
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .rating-form button:hover { background: #26d0ce; }
        .comment-list {
            max-height: 400px;
            overflow-y: auto;
        }
        .comment {
            padding: 1rem;
            border-bottom: 1px solid #eee;
            font-size: 0.9rem;
        }
        .comment:last-child { border-bottom: none; }
        .comment-author {
            font-weight: bold;
            color: #1a2980;
        }
        .comment-form { display: flex; flex-direction: column; gap: 1rem; }
        .quick-links ul { display: flex; flex-direction: column; gap: 0.8rem; }
        .quick-links a {
            display: block;
            padding: 0.8rem;
            background: #f8f9fa;
            border-radius: 6px;
            transition: all 0.3s;
        }
        .quick-links a:hover {
            background: #1a2980;
            color: white;
            transform: translateX(5px);
        }
        .longtail-links {
            background: #1a2980;
            color: white;
            padding: 2.5rem 0;
            margin-top: 3rem;
        }
        .longtail-links .container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: rgba(255,255,255,0.1);
            padding: 1.2rem;
            border-radius: 8px;
            transition: transform 0.3s, background 0.3s;
        }
        .web-link:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-5px);
        }
        .web-link a {
            color: #ffecd2;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            background: linear-gradient(to right, #ffecd2, #fcb69f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }
        .footer-links h4 {
            color: #26d0ce;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        .footer-links a:hover { color: #ffecd2; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a6572;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                background: #1a2980;
                transition: left 0.4s ease;
                padding: 2rem;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            .main-nav.active { left: 0; }
            .main-nav ul { flex-direction: column; gap: 1rem; }
            .article-header h1 { font-size: 2.2rem; }
            .footer-content { flex-direction: column; }
        }