* { 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%, #e4e8f0 100%);
            min-height: 100vh;
            padding-bottom: 40px;
        }
        a { color: #1a5fb4; text-decoration: none; transition: color 0.3s ease, background-color 0.3s ease; }
        a:hover { color: #e95420; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background-color: #fff9c4; padding: 0 4px; border-radius: 3px; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .site-header {
            background: linear-gradient(90deg, #1a5fb4, #e95420);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo span:first-child { color: #ffde57; }
        .my-logo span:last-child { color: #fff; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .main-nav a:hover, .main-nav a:focus {
            background-color: rgba(255, 255, 255, 0.2);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #f0f4f8;
            padding: 1rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: #888;
        }
        .breadcrumb a { color: #555; }
        .hero {
            padding: 3rem 0;
            text-align: center;
            background: white;
            margin-bottom: 2rem;
            border-radius: 0 0 15px 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .hero h1 {
            font-size: 3rem;
            color: #1a5fb4;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .search-form {
            max-width: 600px;
            margin: 2rem auto 0;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(26, 95, 180, 0.2);
        }
        .search-input {
            flex-grow: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-btn {
            background: #e95420;
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1.2rem;
            transition: background 0.3s;
        }
        .search-btn:hover { background: #c34113; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-top: 2rem;
        }
        .article-body {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.06);
        }
        .article-body > * + * { margin-top: 1.8rem; }
        .article-body p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        .article-body h1 { font-size: 2.8rem; color: #1a5fb4; border-bottom: 3px solid #ffde57; padding-bottom: 10px; }
        .article-body h2 { font-size: 2.2rem; color: #e95420; margin-top: 2.5rem; padding-bottom: 8px; border-bottom: 1px dashed #ddd; }
        .article-body h3 { font-size: 1.8rem; color: #1a5fb4; margin-top: 2rem; }
        .article-body h4 { font-size: 1.5rem; color: #333; margin-top: 1.8rem; }
        .featured-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem auto;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            border: 5px solid white;
        }
        .pull-quote {
            font-size: 1.4rem;
            font-style: italic;
            color: #1a5fb4;
            border-left: 5px solid #e95420;
            padding-left: 2rem;
            margin: 2.5rem;
            background: #f9f9f9;
            padding: 1.5rem 2rem;
            border-radius: 0 10px 10px 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar h3 {
            color: #e95420;
            margin-bottom: 1.2rem;
            padding-bottom: 8px;
            border-bottom: 2px solid #ffde57;
        }
        .link-list { list-style: none; }
        .link-list li { margin-bottom: 0.8rem; }
        .link-list a { display: block; padding: 10px 15px; background: #f0f7ff; border-radius: 6px; }
        .link-list a:hover { background: #e1efff; }
        .interaction-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            margin-top: 1.5rem;
        }
        .form-group { display: flex; flex-direction: column; }
        .form-label { margin-bottom: 0.5rem; font-weight: 600; }
        .form-input, .form-textarea {
            padding: 14px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-input:focus, .form-textarea:focus { outline: none; border-color: #1a5fb4; }
        .form-textarea { min-height: 120px; resize: vertical; }
        .stars { display: flex; gap: 10px; margin: 10px 0; }
        .star { font-size: 1.8rem; color: #ddd; cursor: pointer; transition: color 0.2s; }
        .star:hover, .star.active { color: #ffcc00; }
        .submit-btn {
            background: linear-gradient(90deg, #1a5fb4, #2d7bd4);
            color: white;
            border: none;
            padding: 16px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(26, 95, 180, 0.3);
        }
        .site-footer {
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 3px solid #1a5fb4;
            background: #2d2d2d;
            color: #eee;
            border-radius: 15px 15px 0 0;
            overflow: hidden;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            padding-bottom: 2rem;
        }
        friend-link {
            display: block;
            background: #3a3a3a;
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 1rem;
        }
        friend-link a {
            color: #ffde57;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding: 1.5rem;
            background: #1a1a1a;
            color: #aaa;
            font-size: 0.9rem;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #777;
            font-style: italic;
            text-align: right;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px dotted #ccc;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
            .hero h1 { font-size: 2.5rem; }
            .article-body h1 { font-size: 2.4rem; }
            .article-body h2 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #1a5fb4;
                padding: 1rem;
                border-top: 1px solid rgba(255,255,255,0.2);
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .main-nav.active ul { display: flex; }
            .header-inner { flex-wrap: wrap; }
            .hero h1 { font-size: 2rem; }
            .article-body { padding: 1.8rem; }
            .search-form { flex-direction: column; border-radius: 15px; }
            .search-input, .search-btn { width: 100%; border-radius: 0; padding: 18px; }
        }