* { 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: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { text-decoration: none; color: #e63946; transition: color 0.3s ease; }
        a:hover { color: #a81c2c; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(to right, #1d3557, #457b9d);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(45deg, #ff9a00, #ff0058);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .logo a { color: inherit; }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: #f1faee;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: background 0.3s;
        }
        .desktop-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .breadcrumb {
            background: #e9f5ff;
            padding: 0.8rem 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #cce0f0;
        }
        .breadcrumb a { color: #457b9d; }
        .breadcrumb i { margin: 0 8px; }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            background: #1d3557;
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            box-shadow: 0 8px 16px rgba(0,0,0,0.2);
        }
        .mobile-nav.active { display: block; }
        .mobile-nav ul { list-style: none; }
        .mobile-nav li { margin-bottom: 1rem; }
        .mobile-nav a {
            color: white;
            display: block;
            padding: 0.5rem;
            border-left: 4px solid #ff9a00;
            transition: padding-left 0.3s;
        }
        .mobile-nav a:hover { padding-left: 1.5rem; }
        .search-section {
            background: #a8dadc;
            padding: 2rem 0;
            text-align: center;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
        }
        .search-btn {
            background: #e63946;
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-size: 1.2rem;
            transition: background 0.3s;
        }
        .search-btn:hover { background: #c1121f; }
        .main-content {
            flex: 1;
            padding: 2rem 0;
        }
        article {
            background: white;
            border-radius: 16px;
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 3rem;
            color: #1d3557;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 8px solid #e63946;
            padding-left: 1.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #457b9d;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px dashed #a8dadc;
        }
        h3 {
            font-size: 1.6rem;
            color: #1d3557;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: #555;
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid #ff9a00;
        }
        .highlight {
            background: linear-gradient(120deg, #ff9a00 0%, #ff9a00 100%);
            background-repeat: no-repeat;
            background-size: 100% 0.4em;
            background-position: 0 88%;
            font-weight: 700;
            color: #1d3557;
        }
        .stats-box {
            background: linear-gradient(135deg, #1d3557, #457b9d);
            color: white;
            padding: 2rem;
            border-radius: 12px;
            margin: 2rem 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            text-align: center;
        }
        .stat-item h4 {
            font-size: 2.5rem;
            color: #ff9a00;
            margin-bottom: 0.5rem;
        }
        .feature-img {
            width: 100%;
            border-radius: 12px;
            margin: 2rem auto;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            border: 5px solid white;
        }
        blockquote {
            font-style: italic;
            background: #f1faee;
            padding: 2rem;
            border-left: 6px solid #a8dadc;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .tip-card {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            border-top: 5px solid #e63946;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .form-container {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.06);
        }
        .form-title {
            color: #1d3557;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #555;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #457b9d;
        }
        .star-rating {
            display: flex;
            gap: 5px;
            direction: rtl;
            justify-content: start;
        }
        .star-rating input { display: none; }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ff9a00; }
        .submit-btn {
            background: linear-gradient(to right, #457b9d, #1d3557);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            display: block;
            width: 100%;
            font-size: 1.1rem;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0,0,0,0.15);
        }
        .longtail-links {
            background: #f1faee;
            padding: 2rem;
            border-radius: 12px;
            margin: 2rem 0;
        }
        .web-link {
            display: inline-block;
            background: white;
            margin: 0.5rem;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            border: 2px solid #a8dadc;
            transition: all 0.3s;
        }
        .web-link:hover {
            background: #457b9d;
            border-color: #457b9d;
        }
        .web-link:hover a { color: white; }
        .site-footer {
            background: #1d3557;
            color: #f1faee;
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #ff9a00;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 0.8rem; }
        .footer-links a {
            color: #ddd;
            transition: color 0.3s, padding-left 0.3s;
            display: block;
        }
        .footer-links a:hover {
            color: #ff9a00;
            padding-left: 8px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #457b9d;
            font-size: 0.9rem;
            color: #a8dadc;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-menu-btn { display: block; }
            .header-container { padding: 0 20px; }
            .search-form { flex-direction: column; border-radius: 12px; }
            .search-input, .search-btn { border-radius: 0; padding: 1rem; }
            .stats-box { grid-template-columns: 1fr; }
            .interactive-section { grid-template-columns: 1fr; }
            .tips-grid { grid-template-columns: 1fr; }
            .footer-container { grid-template-columns: 1fr; text-align: center; }
        }