:root {
            --primary-color: #8a2be2;
            --secondary-color: #ff6b6b;
            --accent-color: #ffd166;
            --text-color: #333;
            --bg-color: #f8f9fa;
        }
        body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--bg-color);
            margin: 0;
            padding: 0;
        }
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        nav ul {
            display: flex;
            list-style: none;
            padding: 0;
        }
        nav ul li {
            margin-left: 1.5rem;
        }
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        main {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.2rem;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--secondary-color);
            font-size: 1.8rem;
            margin: 1.5rem 0 1rem;
        }
        h3 {
            color: var(--accent-color);
            font-size: 1.4rem;
            margin: 1.2rem 0 0.8rem;
        }
        p {
            margin-bottom: 1rem;
        }
        .btn {
            display: inline-block;
            background-color: var(--primary-color);
            color: white;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
            margin: 0.5rem 0;
            transition: background-color 0.3s;
        }
        .btn:hover {
            background-color: var(--secondary-color);
        }
        .download-btn {
            background-color: #4CAF50;
        }
        .download-btn:hover {
            background-color: #45a049;
        }
        .login-btn {
            background-color: #2196F3;
        }
        .login-btn:hover {
            background-color: #0b7dda;
        }
        .image-container {
            text-align: center;
            margin: 2rem 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .stats-container {
            background-color: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            margin: 2rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .stat-item {
            text-align: center;
        }
        .stat-value {
            font-size: 2rem;
            font-weight: bold;
            color: var(--primary-color);
        }
        .stat-label {
            font-size: 1rem;
            color: #666;
        }
        .community-section {
            background-color: #e9f5ff;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .攻略-list {
            list-style-type: none;
            padding: 0;
        }
        .攻略-list li {
            background-color: white;
            padding: 1rem;
            margin-bottom: 1rem;
            border-radius: 5px;
            box-shadow: 0 2px 3px rgba(0,0,0,0.1);
        }
        footer {
            background-color: var(--primary-color);
            color: white;
            text-align: center;
            padding: 2rem 1rem;
            margin-top: 2rem;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            margin: 1rem 0;
        }
        .footer-links a {
            color: white;
            margin: 0 1rem;
            text-decoration: none;
        }
        .copyright {
            margin-top: 1rem;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            nav ul {
                flex-direction: column;
                width: 100%;
                display: none;
            }
            nav ul.active {
                display: flex;
            }
            nav ul li {
                margin: 0.5rem 0;
            }
            .mobile-menu-btn {
                display: block;
                position: absolute;
                top: 1rem;
                right: 1rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }