* {
            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-color: #f8f9ff;
            background-image: linear-gradient(to bottom right, #e6f0ff, #f9f2ff);
        }
        a {
            color: #5a67d8;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #4c51bf;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            margin-bottom: 3rem;
        }
        .site-header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            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;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #feb47b, #ff7e5f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: initial;
            color: inherit;
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            transition: background 0.3s;
        }
        .desktop-nav a:hover {
            background-color: rgba(255,255,255,0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            padding: 0.8rem 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .mobile-nav a:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #666;
        }
        .breadcrumb a {
            color: #5a67d8;
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: #aaa;
        }
        main {
            background-color: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            padding: 2.5rem;
            margin: 2rem auto;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 3px dashed #e0e7ff;
        }
        h1 {
            font-size: 2.8rem;
            color: #4c51bf;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .lead {
            font-size: 1.3rem;
            color: #555;
            max-width: 800px;
            margin: 0 auto 1.5rem;
        }
        .meta-info {
            display: flex;
            justify-content: center;
            gap: 2rem;
            color: #888;
            font-size: 0.95rem;
        }
        .meta-info i {
            margin-right: 5px;
        }
        h2 {
            font-size: 2.2rem;
            color: #5a67d8;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e0e7ff;
        }
        h3 {
            font-size: 1.8rem;
            color: #667eea;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #764ba2;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: #f0f4ff;
            border-left: 5px solid #667eea;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .highlight strong {
            color: #4c51bf;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .tip-card {
            background: linear-gradient(145deg, #ffffff, #f0f0f5);
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(102, 126, 234, 0.15);
        }
        .tip-card i {
            font-size: 2rem;
            color: #764ba2;
            margin-bottom: 1rem;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 15px;
            margin: 2.5rem auto;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
        }
        .link-list {
            list-style: none;
            padding: 1.5rem;
            background-color: #f8f9ff;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .link-list li:before {
            content: '🎮';
            position: absolute;
            left: 0;
        }
        .user-action-panel {
            background: linear-gradient(to right, #e0e7ff, #fce7f3);
            border-radius: 15px;
            padding: 2rem;
            margin: 3rem 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .action-box {
            text-align: center;
        }
        .action-box h3 {
            margin-top: 0;
        }
        .action-box form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.9rem;
            border: 2px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #667eea;
        }
        button {
            background: linear-gradient(to right, #667eea, #764ba2);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(102, 126, 234, 0.4);
        }
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(102, 126, 234, 0.5);
        }
        .site-footer {
            background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
            color: #e2e8f0;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            background: linear-gradient(to right, #feb47b, #ff7e5f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            padding: 0.8rem 1rem;
            background-color: rgba(255,255,255,0.05);
            margin-bottom: 0.5rem;
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        friend-link:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .user-action-panel { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            main { padding: 1.5rem; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .lead { font-size: 1.1rem; }
            .meta-info { flex-direction: column; gap: 0.5rem; align-items: center; }
            .tips-grid { grid-template-columns: 1fr; }
        }