* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #7B3FE4;
            --secondary-color: #FF7BAC;
            --accent-color: #2FDD92;
            --dark-color: #1A1A2E;
            --light-color: #F8F9FA;
            --gray-color: #6C757D;
            --text-color: #333;
            --border-radius: 12px;
            --box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #fff;
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-color) 0%, #16213E 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 2.5rem;
            color: var(--accent-color);
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent-color);
            transition: width 0.3s ease;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #f1f3ff;
            padding: 1rem 0;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 0.5rem;
            color: var(--gray-color);
        }
        .breadcrumb a {
            color: var(--gray-color);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .search-container {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            padding: 2.5rem 0;
            text-align: center;
            margin-bottom: 3rem;
            border-radius: var(--border-radius);
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto;
            position: relative;
        }
        .search-box input {
            width: 100%;
            padding: 1.2rem 1.5rem;
            border: 2px solid var(--primary-color);
            border-radius: 50px;
            font-size: 1.1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-box input:focus {
            box-shadow: 0 0 0 3px rgba(123, 63, 228, 0.2);
        }
        .search-box button {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--secondary-color);
        }
        main {
            padding: 2rem 0 4rem;
        }
        article {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 3rem;
            margin-bottom: 3rem;
        }
        h1 {
            font-size: 3.2rem;
            color: var(--dark-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: var(--gray-color);
            font-size: 0.95rem;
            border-bottom: 1px solid #eee;
            padding-bottom: 1.5rem;
            margin-bottom: 2.5rem;
        }
        .last-updated {
            background: #e7f7ef;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            color: #0a5c36;
        }
        h2 {
            font-size: 2.3rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #eee;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--dark-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.4rem;
            color: var(--dark-color);
            font-weight: 500;
            margin-bottom: 2rem;
            padding: 1.5rem;
            background: #f8f9ff;
            border-left: 5px solid var(--primary-color);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        emoji {
            font-size: 1.3em;
            margin-right: 5px;
        }
        .highlight {
            background: linear-gradient(120deg, #ffef78 0%, #ffef78 100%);
            padding: 0 0.3em;
            border-radius: 3px;
        }
        .important-note {
            background: #fff3cd;
            border-left: 5px solid #ffc107;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            margin: 2.5rem auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .content-img img {
            transition: transform 0.5s ease;
        }
        .content-img:hover img {
            transform: scale(1.03);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: var(--gray-color);
            padding: 0.8rem;
            font-size: 0.95rem;
        }
        .content-link {
            font-weight: 600;
            color: var(--primary-color);
            border-bottom: 2px dotted var(--primary-color);
        }
        .content-link:hover {
            border-bottom-style: solid;
        }
        .interactive-section {
            background: linear-gradient(135deg, #f5f7ff 0%, #f0f2ff 100%);
            border-radius: var(--border-radius);
            padding: 2.5rem;
            margin: 3rem 0;
            border: 1px solid #e0e6ff;
        }
        .rating-container, .comment-container {
            margin-top: 3rem;
        }
        .rating-form, .comment-form {
            display: grid;
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-start;
            gap: 0.3rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffc107;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
            color: var(--dark-color);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 1rem;
            border: 1px solid #ced4da;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(123, 63, 228, 0.15);
            outline: none;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(90deg, var(--primary-color), #9c6fe8);
            color: white;
            border: none;
            padding: 1.2rem 2.5rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            justify-self: start;
        }
        .submit-btn:hover {
            background: linear-gradient(90deg, var(--secondary-color), #ff9ac8);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(0,0,0,0.1);
        }
        footer {
            background: var(--dark-color);
            color: white;
            padding: 4rem 0 2rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1rem;
            display: block;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bbb;
        }
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            border-left: 4px solid var(--accent-color);
        }
        friend-link a {
            color: var(--accent-color);
            font-weight: 600;
            font-size: 1.1rem;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.1rem; }
            article { padding: 2.5rem; }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--dark-color);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem 0;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                border-top: 1px solid rgba(255,255,255,0.1);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                text-align: center;
                padding: 0.8rem 0;
            }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.9rem; }
            h3 { font-size: 1.6rem; }
            article { padding: 2rem; }
            .interactive-section { padding: 2rem; }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .article-meta { flex-direction: column; align-items: flex-start; }
            .search-box button { position: static; margin-top: 1rem; width: 100%; }
            .star-rating label { font-size: 2rem; }
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-3 { margin-top: 3rem; }
        .d-flex { display: flex; }
        .flex-wrap { flex-wrap: wrap; }
        .align-center { align-items: center; }
        .justify-between { justify-content: space-between; }
        .gap-1 { gap: 1rem; }
        .gap-2 { gap: 2rem; }