* { 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, #fff4f4);
            max-width: 1400px;
            margin: 0 auto;
            box-shadow: 0 0 30px rgba(0, 0, 150, 0.05);
        }
        a { text-decoration: none; color: #4a6ee0; transition: color 0.3s ease; }
        a:hover { color: #ff6b8b; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { padding-left: 1.5em; margin-bottom: 1.5em; }
        h1, h2, h3, h4 { font-family: 'Arial Rounded MT Bold', 'Arial', sans-serif; color: #2d3748; margin-bottom: 0.75em; line-height: 1.3; }
        h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); color: #4a6ee0; text-shadow: 1px 1px 3px rgba(0,0,0,0.1); border-bottom: 4px solid #ffcc00; padding-bottom: 15px; margin-top: 20px; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); color: #ff6b8b; margin-top: 2em; padding-left: 15px; border-left: 5px solid #4a6ee0; }
        h3 { font-size: clamp(1.5rem, 3vw, 2rem); color: #5a67d8; margin-top: 1.8em; }
        h4 { font-size: 1.3rem; color: #718096; margin-top: 1.5em; }
        p { margin-bottom: 1.5em; text-align: justify; hyphens: auto; }
        strong { color: #2d3748; font-weight: 700; }
        em { color: #5a67d8; }
        .lead { font-size: 1.2rem; font-weight: 500; color: #4a5568; background: #e6f0ff; padding: 20px; border-radius: 10px; margin: 25px 0; }
        .highlight { background: linear-gradient(120deg, #ffcc00 0%, #ffcc00 100%); background-repeat: no-repeat; background-size: 100% 0.4em; background-position: 0 88%; font-weight: 700; }
        .container { width: 95%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        section { margin-bottom: 3em; }
        .site-header { background: linear-gradient(135deg, #4a6ee0 0%, #8a2be2 100%); color: white; padding: 1em 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-family: 'Comic Sans MS', cursive, sans-serif; font-size: 2.2rem; font-weight: 900; color: #ffcc00; text-shadow: 2px 2px 0 #ff6b8b; letter-spacing: 1px; }
        .my-logo:hover { color: #fff; text-shadow: 2px 2px 0 #4a6ee0; }
        .breadcrumb { background: #edf2f7; padding: 12px 20px; border-radius: 8px; margin: 1em 0; font-size: 0.9rem; }
        .breadcrumb a { color: #5a67d8; }
        .breadcrumb i { margin: 0 8px; color: #a0aec0; }
        .main-nav { display: flex; align-items: center; }
        .nav-list { display: flex; list-style: none; gap: 25px; }
        .nav-list a { color: white; font-weight: 600; padding: 8px 12px; border-radius: 5px; }
        .nav-list a:hover { background: rgba(255, 255, 255, 0.15); color: #ffcc00; }
        .hamburger { display: none; font-size: 1.8rem; background: none; border: none; color: white; cursor: pointer; }
        .content-wrapper { display: grid; grid-template-columns: 1fr 300px; gap: 40px; margin: 30px 0; }
        main { background: white; padding: 30px; border-radius: 15px; box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07); }
        aside { align-self: start; position: sticky; top: 120px; }
        .widget { background: white; padding: 25px; border-radius: 12px; margin-bottom: 25px; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05); border-top: 5px solid #4a6ee0; }
        .widget h3 { font-size: 1.4rem; margin-top: 0; color: #4a6ee0; border-bottom: 2px dashed #e2e8f0; padding-bottom: 10px; }
        .widget ul { list-style: none; padding-left: 0; }
        .widget li { padding: 12px 0; border-bottom: 1px dotted #e2e8f0; }
        .widget li:last-child { border-bottom: none; }
        .widget a { display: block; padding: 5px 0; }
        .update-time { font-style: italic; color: #718096; font-size: 0.9rem; text-align: center; background: #f7fafc; padding: 10px; border-radius: 8px; margin-top: 15px; }
        .form-group { margin-bottom: 1.5em; }
        input, textarea, select {
            width: 100%;
            padding: 15px;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s;
        }
        input:focus, textarea:focus, select:focus { border-color: #4a6ee0; outline: none; box-shadow: 0 0 0 3px rgba(74, 110, 224, 0.2); }
        button, .btn {
            background: linear-gradient(to right, #4a6ee0, #8a2be2);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-block;
            text-align: center;
        }
        button:hover, .btn:hover { background: linear-gradient(to right, #ff6b8b, #ffcc00); transform: translateY(-3px); box-shadow: 0 7px 14px rgba(255, 107, 139, 0.3); }
        .rating-stars { display: flex; gap: 10px; justify-content: center; margin: 20px 0; }
        .rating-stars i { font-size: 2rem; color: #e2e8f0; cursor: pointer; transition: color 0.3s; }
        .rating-stars i:hover, .rating-stars i.active { color: #ffcc00; }
        .article-img { width: 100%; border-radius: 12px; margin: 2em auto; box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1); border: 5px solid white; }
        .tip-box { background: #e6f7ff; border-left: 5px solid #1890ff; padding: 20px; margin: 2em 0; border-radius: 0 10px 10px 0; }
        .quote { font-style: italic; font-size: 1.2rem; color: #5a67d8; text-align: center; padding: 25px; background: #f8f9ff; border-radius: 12px; margin: 2em 0; position: relative; }
        .quote::before, .quote::after { content: '"'; font-size: 3rem; color: #ffcc00; position: absolute; }
        .quote::before { top: 10px; left: 20px; }
        .quote::after { bottom: 10px; right: 20px; }
        .internal-links { background: #f0f9ff; padding: 25px; border-radius: 12px; margin: 2em 0; }
        .internal-links ul { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 15px; list-style-type: none; }
        .internal-links li { background: white; padding: 15px; border-radius: 8px; transition: transform 0.3s; }
        .internal-links li:hover { transform: translateX(5px); background: #e6f0ff; }
        site-footer { background: linear-gradient(135deg, #2d3748, #1a202c); color: #cbd5e0; padding: 3em 0 1.5em; margin-top: 4em; }
        .footer-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; }
        .footer-logo { font-size: 2rem; color: #ffcc00; margin-bottom: 15px; }
        .friend-links { display: flex; flex-wrap: wrap; gap: 15px; margin: 20px 0; }
        friend-link { display: inline-block; background: rgba(255,255,255,0.05); padding: 10px 20px; border-radius: 6px; border: 1px solid #4a5568; }
        friend-link:hover { background: #4a6ee0; border-color: #4a6ee0; }
        .copyright { text-align: center; padding-top: 2em; margin-top: 2em; border-top: 1px solid #4a5568; color: #a0aec0; font-size: 0.9rem; }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
            aside { position: static; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-list {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #4a6ee0;
                flex-direction: column;
                padding: 20px;
                border-radius: 0 0 15px 15px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .nav-list.active { display: flex; }
            .header-container { flex-wrap: wrap; }
            .internal-links ul { grid-template-columns: 1fr; }
            h1, h2, h3 { text-align: center; padding-left: 0; border-left: none; }
            h2 { border-bottom: 3px solid #ffcc00; padding-bottom: 10px; }
        }