* { 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: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            max-width: 100vw;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: #2a5c9e; transition: color 0.3s; }
        a:hover { color: #e67e22; }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(to right, #1a472a, #2a623d, #1a472a);
            color: white;
            padding: 1rem 2rem;
            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;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #FFD700;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            font-family: 'Arial Black', sans-serif;
            letter-spacing: 1px;
        }
        .my-logo span { color: #4adeff; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover { color: #FFD700; }
        .main-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: #FFD700;
            left: 0;
            bottom: 0;
            transition: width 0.3s;
        }
        .main-nav a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background: white;
            border-radius: 2px;
            transition: 0.3s;
        }
        .breadcrumb {
            background: #e9f5e9;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #cce0cc;
        }
        .breadcrumb a { color: #2a5c9e; }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        .content-area { background: white; padding: 2.5rem; border-radius: 12px; box-shadow: 0 6px 20px rgba(0,0,0,0.08); }
        .sidebar { background: #f8f9fa; padding: 1.5rem; border-radius: 12px; box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
        h1 { color: #1a472a; font-size: 2.8rem; margin-bottom: 1.5rem; border-bottom: 3px solid #e67e22; padding-bottom: 0.5rem; }
        h2 { color: #2a623d; margin: 2rem 0 1rem; font-size: 2rem; }
        h3 { color: #3a7d4f; margin: 1.5rem 0 0.8rem; font-size: 1.5rem; }
        h4 { color: #4a9760; margin: 1.2rem 0 0.6rem; }
        p { margin-bottom: 1.2rem; text-align: justify; }
        .lead { font-size: 1.2rem; color: #555; font-weight: 500; }
        .highlight { background: #fff9e6; padding: 1rem; border-left: 4px solid #e67e22; margin: 1.5rem 0; }
        .note { background: #e6f3ff; padding: 1rem; border-radius: 8px; margin: 1.5rem 0; }
        ul, ol { margin-left: 1.5rem; margin-bottom: 1.2rem; }
        li { margin-bottom: 0.5rem; }
        .search-box, .comment-form, .rating-form {
            background: #f0f8ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
            border: 1px solid #cce7ff;
        }
        .form-group { margin-bottom: 1rem; }
        label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #aaa;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
        }
        button {
            background: linear-gradient(to right, #2a623d, #3a7d4f);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s;
        }
        button:hover {
            background: linear-gradient(to right, #e67e22, #f39c12);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }
        .stars { display: flex; gap: 5px; margin: 0.5rem 0; }
        .star { font-size: 1.8rem; color: #ddd; cursor: pointer; transition: color 0.2s; }
        .star:hover, .star.active { color: #FFD700; }
        .content-links { display: flex; flex-wrap: wrap; gap: 1rem; margin: 2rem 0; }
        .content-link {
            background: #e9f5e9;
            padding: 0.8rem 1.2rem;
            border-radius: 8px;
            border: 1px solid #b8e0b8;
            flex: 1 1 200px;
            text-align: center;
        }
        .site-footer {
            background: #1a472a;
            color: #e0e0e0;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-links h3 { color: #FFD700; margin-bottom: 1rem; }
        .footer-links ul { list-style: none; margin-left: 0; }
        .footer-links li { margin-bottom: 0.7rem; }
        .footer-links a { color: #b8e0b8; }
        .footer-links a:hover { color: #FFD700; }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 0.5rem;
            background: #2a623d;
            border-radius: 6px;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #2a623d;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            .main-container { grid-template-columns: 1fr; }
            .main-nav ul { gap: 1.5rem; }
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .hamburger { display: flex; }
            .main-nav { width: 100%; display: none; }
            .main-nav.active { display: block; margin-top: 1rem; }
            .main-nav ul { flex-direction: column; gap: 1rem; }
            h1 { font-size: 2.2rem; }
            .content-area { padding: 1.5rem; }
        }