* { 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%);
            min-height: 100vh;
        }
        a { color: #2a6ebb; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #e63946; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background-color: #fffacd; padding: 2px 5px; border-radius: 3px; }
        .last-update { font-size: 0.9em; color: #666; font-style: italic; }
        .site-header {
            background: linear-gradient(90deg, #1a2980 0%, #26d0ce 100%);
            color: white;
            padding: 1.2rem 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-size: 2.2rem;
            font-weight: 900;
            font-family: 'Arial Black', sans-serif;
            background: linear-gradient(45deg, #ffd700, #ff8c00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
        }
        .my-logo:hover { transform: scale(1.02); }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9f2fa;
            padding: 12px 20px;
            font-size: 0.95rem;
            border-bottom: 1px solid #c5d9e8;
        }
        .breadcrumb a { color: #4a7bac; }
        .breadcrumb span { color: #777; }
        .search-section {
            background-color: #2d3e50;
            padding: 30px 0;
            margin-bottom: 30px;
        }
        .search-form {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        .search-input {
            flex-grow: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-button {
            background: linear-gradient(45deg, #ff7e5f, #feb47b);
            color: white;
            border: none;
            padding: 0 35px;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s;
        }
        .search-button:hover { background: linear-gradient(45deg, #feb47b, #ff7e5f); }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content {
            background-color: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        .article-content h1 {
            font-size: 2.8rem;
            color: #1a2980;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #26d0ce;
            padding-bottom: 15px;
        }
        .article-content h2 {
            font-size: 2rem;
            color: #2a6ebb;
            margin: 2.5rem 0 1.5rem;
            padding-left: 10px;
            border-left: 6px solid #ff8c00;
        }
        .article-content h3 {
            font-size: 1.6rem;
            color: #333;
            margin: 2rem 0 1rem;
        }
        .article-content h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .featured-image {
            width: 100%;
            border-radius: 10px;
            margin: 30px auto;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            border: 5px solid #f0f8ff;
        }
        .sidebar {
            background-color: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.06);
            align-self: start;
            position: sticky;
            top: 140px;
        }
        .sidebar h3 {
            color: #1a2980;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ffd700;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }
        .sidebar li:before {
            content: '⚔️';
            position: absolute;
            left: 0;
        }
        .user-interaction {
            background-color: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            margin: 40px 0;
        }
        .user-interaction h2 { color: #1a2980; margin-bottom: 25px; }
        .form-group { margin-bottom: 20px; }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #444;
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #26d0ce;
            outline: none;
            box-shadow: 0 0 0 3px rgba(38, 208, 206, 0.2);
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #ddd;
            margin-bottom: 15px;
        }
        .star-rating .star {
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating .star:hover,
        .star-rating .star.active { color: #ffc107; }
        .submit-button {
            background: linear-gradient(45deg, #1a2980, #26d0ce);
            color: white;
            border: none;
            padding: 15px 35px;
            font-size: 1.1rem;
            border-radius: 8px;
            cursor: pointer;
            transition: transform 0.3s;
        }
        .submit-button:hover { transform: translateY(-3px); }
        .site-footer {
            background: #1a1a2e;
            color: #e6e6e6;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #ffd700;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
            padding: 8px 15px;
            background-color: rgba(255,255,255,0.05);
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        friend-link:hover { background-color: rgba(255,255,255,0.1); }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2d4059;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 90px;
                left: 0;
                width: 100%;
                background-color: #1a2980;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease-in-out;
                z-index: 999;
            }
            .main-nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav ul {
                flex-direction: column;
                padding: 20px;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .main-nav a {
                display: block;
                padding: 15px;
            }
            .article-content { padding: 25px; }
            .article-content h1 { font-size: 2.2rem; }
            .article-content h2 { font-size: 1.8rem; }
        }