* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(90deg, #1a2980, #26d0ce);
            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;
            text-decoration: none;
            color: #FFD700;
            font-family: 'Arial Black', sans-serif;
            text-shadow: 3px 3px 0 #1a2980;
            letter-spacing: -1px;
            transition: transform 0.3s;
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: #fff;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .main-nav a:hover, .main-nav a.active {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background: #e9ecef;
            font-size: 0.9rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #1a2980;
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        .content-area { background: white; padding: 3rem; border-radius: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.08); }
        .sidebar { background: #f8f9fa; padding: 2rem; border-radius: 15px; height: fit-content; position: sticky; top: 120px; }
        h1 {
            font-size: 3rem;
            color: #1a2980;
            margin-bottom: 1.5rem;
            border-bottom: 5px solid #26d0ce;
            padding-bottom: 0.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            color: #2c3e50;
            margin: 2.5rem 0 1.5rem;
            padding-left: 1rem;
            border-left: 6px solid #FFD700;
        }
        h3 {
            font-size: 1.8rem;
            color: #34495e;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #5d6d7e;
            margin: 1.5rem 0 0.8rem;
        }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .lead {
            font-size: 1.3rem;
            color: #2c3e50;
            font-weight: 500;
            background: #e8f4fc;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid #3498db;
        }
        .highlight {
            background: linear-gradient(120deg, #a1c4fd80, #c2e9fb80);
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        strong { color: #1a2980; }
        em { color: #27ae60; }
        a.content-link {
            color: #e74c3c;
            text-decoration: none;
            border-bottom: 1px dashed #e74c3c;
            font-weight: 600;
        }
        a.content-link:hover {
            color: #c0392b;
            border-bottom-style: solid;
            background-color: #ffeaea;
        }
        .article-img {
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            border: 5px solid white;
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #7f8c8d;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget-title {
            font-size: 1.4rem;
            color: #1a2980;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #26d0ce;
        }
        .search-form { display: flex; }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-form button {
            background: #1a2980;
            color: white;
            border: none;
            padding: 0.8rem 1.2rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #26d0ce; }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #FFD700;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars span { margin: 0 2px; transition: transform 0.2s; }
        .stars span:hover { transform: scale(1.3); }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 1rem;
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, #1a2980, #26d0ce);
            color: white;
            padding: 0.8rem 1.8rem;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
            box-shadow: 0 4px 10px rgba(26, 41, 128, 0.3);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(26, 41, 128, 0.4);
        }
        .update-time {
            background: #2ecc71;
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            display: inline-block;
            font-size: 0.9rem;
            margin-top: 1rem;
        }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: #FFD700;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
        }
        friend-link a {
            color: #1abc9c;
            text-decoration: none;
            padding: 0.3rem 0;
            display: inline-block;
            transition: color 0.3s;
        }
        friend-link a:hover { color: #FFD700; text-decoration: underline; }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #4a6278;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        @media (max-width: 1024px) {
            .container { grid-template-columns: 1fr; }
            .sidebar { position: static; }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #1a2980;
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
            }
            .main-nav.active ul { display: flex; }
            .hamburger { display: block; }
            .header-container { flex-wrap: wrap; }
            .content-area { padding: 2rem 1.5rem; }
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
        }