* { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding: 0;
            margin: 0;
        }
        a { text-decoration: none; color: #6a11cb; transition: color 0.3s; }
        a:hover { color: #2575fc; }
        img { max-width: 100%; height: auto; display: block; }
        ul { list-style: none; }
        .container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 1000; }
        .header-content { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; }
        .logo a.my-logo {
            font-size: 2rem; font-weight: 800; color: #6a11cb; background: linear-gradient(90deg, #6a11cb, #2575fc);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
            padding: 5px 10px; border-radius: 5px;
        }
        .logo a.my-logo:hover { transform: scale(1.05); }
        .nav-links { display: flex; gap: 25px; }
        .nav-links li a {
            font-weight: 600; color: #555; padding: 8px 12px; border-radius: 4px;
        }
        .nav-links li a:hover { background: #f0f0f0; color: #2575fc; }
        .hamburger { display: none; font-size: 1.5rem; cursor: pointer; color: #6a11cb; }
        .breadcrumb { padding: 10px 0; background: #f9f9f9; font-size: 0.9rem; }
        .breadcrumb a { color: #666; }
        .breadcrumb a:hover { color: #2575fc; }
        main { padding: 30px 0; }
        article { background: #fff; border-radius: 15px; box-shadow: 0 5px 20px rgba(0,0,0,0.08); padding: 40px; }
        h1 { font-size: 2.8rem; color: #2d3436; margin-bottom: 20px; text-align: center; background: linear-gradient(90deg, #6a11cb, #2575fc); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        h2 { font-size: 2rem; color: #2575fc; margin: 30px 0 15px; border-left: 5px solid #6a11cb; padding-left: 15px; }
        h3 { font-size: 1.5rem; color: #555; margin: 25px 0 10px; }
        h4 { font-size: 1.2rem; color: #777; margin: 20px 0 10px; }
        p { margin-bottom: 20px; font-size: 1.1rem; text-align: justify; }
        .highlight { background: #f8f9fa; padding: 20px; border-radius: 10px; border-left: 4px solid #6a11cb; margin: 20px 0; }
        .emoji { font-size: 1.2em; }
        .featured-img { margin: 30px auto; max-width: 800px; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
        .update-time { text-align: right; font-style: italic; color: #888; margin-bottom: 30px; font-size: 0.9rem; }
        .form-section { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin: 40px 0; }
        .form-box { background: #f8f9fa; padding: 25px; border-radius: 10px; box-shadow: 0 3px 10px rgba(0,0,0,0.05); }
        .form-box h3 { color: #6a11cb; }
        input, textarea, select { width: 100%; padding: 12px; margin: 10px 0 20px; border: 1px solid #ddd; border-radius: 5px; font-size: 1rem; }
        button { background: linear-gradient(90deg, #6a11cb, #2575fc); color: white; border: none; padding: 12px 25px; border-radius: 5px; cursor: pointer; font-weight: 600; transition: transform 0.3s; }
        button:hover { transform: translateY(-3px); }
        footer { background: #2d3436; color: #fff; padding: 40px 0; margin-top: 50px; }
        .friend-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; margin-bottom: 30px; }
        .friend-links a { color: #c3cfe2; font-size: 1.1rem; padding: 8px 15px; border: 1px solid #555; border-radius: 5px; }
        .friend-links a:hover { background: #6a11cb; color: white; }
        .copyright { text-align: center; color: #aaa; font-size: 0.9rem; padding-top: 20px; border-top: 1px solid #444; }
        @media (max-width: 768px) {
            .header-content { flex-direction: column; align-items: flex-start; }
            .nav-links { flex-direction: column; width: 100%; display: none; margin-top: 15px; }
            .nav-links.active { display: flex; }
            .hamburger { display: block; align-self: flex-end; margin-top: -40px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .form-section { grid-template-columns: 1fr; }
            article { padding: 20px; }
        }