* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #FF6B35;
            --secondary-color: #2A9D8F;
            --dark-bg: #1A1A2E;
            --light-bg: #F8F9FA;
            --text-dark: #212529;
            --text-light: #E9ECEF;
            --accent-color: #E63946;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary-color), #ff8e53);
            color: white;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
            background: linear-gradient(135deg, #e55a2b, #ff7a3c);
        }
        .section-padding {
            padding: 80px 0;
        }
        header {
            background-color: var(--dark-bg);
            color: var(--text-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 20px;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, #FF6B35, #FFDD00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .nav-menu {
            display: flex;
            gap: 30px;
        }
        .nav-link {
            font-weight: 600;
            font-size: 1rem;
            padding: 8px 0;
            position: relative;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: width 0.3s ease;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary-color);
        }
        .breadcrumb {
            background-color: #2C3E50;
            padding: 12px 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #BDC3C7;
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb span {
            color: #7F8C8D;
            margin: 0 8px;
        }
        .search-section {
            background: linear-gradient(rgba(42, 157, 143, 0.9), rgba(26, 26, 46, 0.9)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="%232A9D8F"/>');
            background-size: cover;
            padding: 40px 20px;
            text-align: center;
            color: white;
        }
        .search-form {
            max-width: 700px;
            margin: 30px auto 0;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-input {
            flex-grow: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 35px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
        }
        .search-btn:hover {
            background-color: #e55a2b;
        }
        .main-article {
            background-color: white;
            border-radius: 15px;
            padding: 50px;
            margin: 40px auto;
            box-shadow: var(--shadow);
            line-height: 1.8;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--dark-bg);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
            color: #6C757D;
            font-size: 0.95rem;
        }
        .meta-info i {
            margin-right: 8px;
            color: var(--secondary-color);
        }
        .featured-image {
            margin: 40px 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        }
        .article-content h2 {
            font-size: 2rem;
            color: var(--dark-bg);
            margin: 50px 0 25px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--primary-color);
        }
        .article-content h3 {
            font-size: 1.6rem;
            color: var(--secondary-color);
            margin: 35px 0 18px;
        }
        .article-content p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fdfcfb, #f5f7fa);
            border-left: 5px solid var(--accent-color);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 10px 10px 0;
            box-shadow: var(--shadow);
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .tip-card {
            background: white;
            padding: 25px;
            border-radius: 10px;
            border-top: 4px solid var(--primary-color);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        .tip-card:hover {
            transform: translateY(-10px);
        }
        .tip-card h4 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--dark-bg);
        }
        .user-interaction {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 2px solid #E9ECEF;
        }
        .rating-system, .comment-system {
            background-color: #F8F9FA;
            padding: 30px;
            border-radius: 10px;
            margin-bottom: 40px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 20px 0;
        }
        .star {
            font-size: 2rem;
            color: #DDD;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #FFC107;
        }
        .comment-form textarea {
            width: 100%;
            padding: 20px;
            border-radius: 10px;
            border: 1px solid #CED4DA;
            margin: 20px 0;
            font-size: 1rem;
            min-height: 150px;
            resize: vertical;
        }
        .comment-form input[type="text"],
        .comment-form input[type="email"] {
            width: 100%;
            padding: 15px;
            margin-bottom: 20px;
            border-radius: 8px;
            border: 1px solid #CED4DA;
        }
        .web-links {
            background-color: #2C3E50;
            padding: 40px 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 8px;
            text-align: center;
        }
        .web-link a {
            color: #BDC3C7;
            font-weight: 500;
        }
        .web-link a:hover {
            color: var(--primary-color);
        }
        footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 40px 20px;
            text-align: center;
        }
        .footer-content {
            max-width: 800px;
            margin: 0 auto;
        }
        .copyright {
            margin-top: 20px;
            font-size: 0.9rem;
            color: #7F8C8D;
            border-top: 1px solid #34495E;
            padding-top: 20px;
        }
        @media (max-width: 992px) {
            .nav-menu {
                position: fixed;
                top: 80px;
                left: -100%;
                background-color: var(--dark-bg);
                flex-direction: column;
                width: 100%;
                text-align: center;
                padding: 30px 0;
                transition: 0.3s;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
                z-index: 999;
            }
            .nav-menu.active {
                left: 0;
            }
            .nav-link {
                padding: 15px;
                font-size: 1.1rem;
            }
            .hamburger {
                display: block;
            }
            .main-article {
                padding: 30px;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 576px) {
            .header-container, .breadcrumb {
                padding: 15px;
            }
            .search-form {
                flex-direction: column;
                border-radius: 10px;
            }
            .search-input, .search-btn {
                width: 100%;
                border-radius: 0;
                padding: 15px;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .meta-info {
                flex-direction: column;
                gap: 10px;
            }
            .article-content h2 {
                font-size: 1.8rem;
            }
        }