* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, sans-serif;
        }
        :root {
            --primary: #5E35B1; 
            --secondary: #FF9800; 
            --accent: #00BCD4; 
            --dark: #2D2B55;
            --light: #F5F5FA;
            --text: #333344;
            --gray: #777790;
            --success: #4CAF50;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 12px;
        }
        body {
            background-color: var(--light);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: var(--secondary);
        }
        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), #7E57C2);
            color: white;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: var(--shadow);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 18px rgba(94, 53, 177, 0.3);
            background: linear-gradient(135deg, #7E57C2, var(--primary));
            color: white;
        }
        .section {
            padding: 60px 0;
        }
        header {
            background-color: white;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo span {
            color: var(--secondary);
        }
        .logo .my-logo:hover {
            transform: scale(1.05);
        }
        .desktop-nav {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 992px) {
            .desktop-nav {
                display: none;
            }
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 8px 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--secondary);
            transition: width 0.3s;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary);
        }
        @media (max-width: 992px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: white;
            padding: 20px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            transform: translateY(-150%);
            opacity: 0;
            transition: all 0.4s ease;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
        }
        .mobile-nav a {
            padding: 12px;
            border-bottom: 1px solid #eee;
            font-weight: 600;
        }
        .breadcrumb {
            padding: 15px 20px;
            background-color: #f0f0f9;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb span {
            color: var(--primary);
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(rgba(45, 43, 85, 0.9), rgba(45, 43, 85, 0.95)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 80px 20px;
            text-align: center;
            border-radius: 0 0 var(--radius) var(--radius);
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .last-updated {
            background-color: var(--light);
            color: var(--dark);
            padding: 10px 20px;
            border-radius: var(--radius);
            display: inline-block;
            font-weight: 600;
            margin-top: 20px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        main article {
            background: white;
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        h1, h2, h3, h4 {
            color: var(--dark);
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            line-height: 1.3;
        }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; border-left: 5px solid var(--secondary); padding-left: 15px; }
        h3 { font-size: 1.8rem; color: var(--primary); }
        h4 { font-size: 1.4rem; color: var(--accent); }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
        }
        .highlight {
            background: linear-gradient(90deg, #fff9e6, #fff);
            border-left: 4px solid var(--secondary);
            padding: 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 25px 0;
        }
        .article-img {
            width: 100%;
            border-radius: var(--radius);
            margin: 30px auto;
            box-shadow: var(--shadow);
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 1.5em;
        }
        li {
            margin-bottom: 0.7em;
        }
        strong {
            color: var(--primary);
        }
        em {
            color: var(--gray);
        }
        .inline-link {
            font-weight: 600;
            border-bottom: 2px dotted var(--accent);
        }
        .tip {
            background-color: #E8F5E9;
            border: 1px solid var(--success);
            border-radius: var(--radius);
            padding: 20px;
            margin: 25px 0;
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }
        .tip i {
            color: var(--success);
            font-size: 1.5rem;
            margin-top: 5px;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            margin-top: 0;
            padding-bottom: 15px;
            border-bottom: 2px solid #eee;
            font-size: 1.5rem;
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 14px;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .link-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .link-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #eee;
        }
        .link-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
        }
        .link-list a:hover {
            color: var(--primary);
            gap: 15px;
        }
        .link-list i {
            color: var(--accent);
        }
        .rating-section, .comment-section {
            background: white;
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-top: 40px;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 500px;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #FFC107;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            outline: none;
        }
        .comment-list {
            margin-top: 40px;
        }
        .comment {
            background: #f9f9ff;
            padding: 20px;
            border-radius: var(--radius);
            margin-bottom: 20px;
            border-left: 4px solid var(--accent);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: var(--gray);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 20px 30px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: white;
            margin-top: 0;
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 10px;
            display: inline-block;
        }
        friend-link {
            display: block;
            margin: 10px 0;
            color: #ccc;
        }
        friend-link:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444466;
            color: #aaa;
            font-size: 0.9rem;
        }