* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #2c3e50;
            background-color: #f8f9fa;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a5f7a 0%, #2a9d8f 100%);
            color: white;
            padding: 1.5rem 1rem;
            border-bottom-left-radius: 15px;
            border-bottom-right-radius: 15px;
            box-shadow: 0 4px 12px rgba(26, 95, 122, 0.3);
            margin-bottom: 2rem;
        }
        .logo-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            transition: transform 0.3s ease;
        }
        .logo a:hover { transform: scale(1.05); }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e9f5db;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 25px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .main-nav a:hover, .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .breadcrumb {
            background: #e3f2fd;
            padding: 0.8rem 1rem;
            border-radius: 10px;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #1a5f7a;
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .search-container {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            margin: 2rem 0;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #2a9d8f;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background: #2a9d8f;
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #1a5f7a; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 20px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.05);
        }
        h1 {
            color: #1a5f7a;
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.3;
            border-bottom: 3px solid #2a9d8f;
            padding-bottom: 0.8rem;
        }
        h2 {
            color: #2a9d8f;
            margin: 2.5rem 0 1.2rem;
            font-size: 1.8rem;
        }
        h3 {
            color: #264653;
            margin: 2rem 0 1rem;
            font-size: 1.4rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, #a8e6cf80 0%, #dcedc180 100%);
            border-left: 5px solid #2a9d8f;
            padding: 1.5rem;
            border-radius: 0 10px 10px 0;
            margin: 2rem 0;
            font-weight: 600;
        }
        img.responsive-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 15px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            margin: 2rem auto;
            display: block;
            transition: transform 0.5s ease;
        }
        img.responsive-img:hover { transform: scale(1.02); }
        .sidebar {
            background: white;
            padding: 1.8rem;
            border-radius: 20px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 20px;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget h3 {
            color: #1a5f7a;
            border-bottom: 2px solid #ffb347;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            direction: rtl;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars span {
            transition: color 0.2s;
        }
        .stars span:hover,
        .stars span:hover ~ span {
            color: #ffb347;
        }
        .rating-form input, .comment-form input,
        .comment-form textarea {
            padding: 0.9rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, #2a9d8f, #1a5f7a);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(42, 157, 143, 0.4);
        }
        .long-tail-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
            padding: 2rem;
            background: #e9f5db;
            border-radius: 15px;
        }
        .web-link {
            background: white;
            padding: 1rem;
            border-radius: 10px;
            transition: all 0.3s ease;
        }
        .web-link a {
            color: #1a5f7a;
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        }
        footer {
            background: #264653;
            color: #e9f5db;
            padding: 3rem 2rem;
            border-top-left-radius: 20px;
            border-top-right-radius: 20px;
            margin-top: 4rem;
            text-align: center;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-links a {
            color: #a8e6cf;
            text-decoration: none;
        }
        .footer-links a:hover { text-decoration: underline; }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
            .sidebar { position: static; }
        }
        @media (max-width: 768px) {
            .mobile-menu-btn { display: block; }
            .main-nav ul {
                flex-direction: column;
                display: none;
                width: 100%;
                background: rgba(26, 95, 122, 0.95);
                border-radius: 10px;
                padding: 1rem;
                margin-top: 1rem;
            }
            .main-nav.active ul { display: flex; }
            .logo a { font-size: 1.8rem; }
            h1 { font-size: 2rem; }
            article, .sidebar { padding: 1.5rem; }
            .search-form { flex-direction: column; }
            .search-form input, .search-form button { border-radius: 50px; width: 100%; }
            .search-form button { margin-top: 1rem; padding: 0.9rem; }
        }