* { 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: #e0e0e0;
            background: linear-gradient(135deg, #0c1a2d 0%, #1a2b3e 100%);
            min-height: 100vh;
            background-attachment: fixed;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 {
            font-family: 'Georgia', serif;
            color: #f0b450;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); border-bottom: 3px solid #3a6b8c; padding-bottom: 0.5rem; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); color: #6ab0de; margin-top: 2.5rem; }
        h3 { font-size: clamp(1.4rem, 3vw, 1.8rem); color: #8cc269; margin-top: 2rem; }
        h4 { font-size: 1.2rem; color: #c5a0f4; margin-top: 1.5rem; }
        p { margin-bottom: 1.5rem; }
        a { color: #6ab0de; text-decoration: none; transition: color 0.3s, text-shadow 0.3s; }
        a:hover { color: #f0b450; text-shadow: 0 0 8px rgba(240, 180, 80, 0.5); }
        strong { color: #f0b450; font-weight: bold; }
        em { color: #8cc269; font-style: italic; }
        blockquote {
            border-left: 4px solid #3a6b8c;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #b8c7d9;
            background: rgba(58, 107, 140, 0.1);
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: rgba(10, 25, 41, 0.95);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: fantasy, 'Papyrus', serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: #f0b450;
            text-decoration: none;
            text-shadow: 0 0 10px rgba(240, 180, 80, 0.7);
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: #ffd700;
            text-shadow: 0 0 15px rgba(255, 215, 0, 0.9);
        }
        .breadcrumb {
            padding: 1rem 0;
            background: rgba(20, 40, 60, 0.7);
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a { color: #8cc269; }
        .breadcrumb a:hover { color: #f0b450; }
        .breadcrumb span { color: #b8c7d9; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #c5d5e6;
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: #f0b450;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f0b450;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .search-container {
            background: rgba(30, 50, 70, 0.8);
            padding: 2rem;
            border-radius: 12px;
            margin: 2rem 0;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #3a6b8c;
            border-radius: 8px 0 0 8px;
            background: #1e2b38;
            color: #fff;
            font-size: 1rem;
        }
        .search-button {
            background: linear-gradient(to right, #3a6b8c, #2a4b6c);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-button:hover {
            background: linear-gradient(to right, #4a8bac, #3a6b8c);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        .article-content {
            background: rgba(20, 35, 50, 0.8);
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #8cc269;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #3a6b8c;
        }
        .sidebar {
            background: rgba(20, 35, 50, 0.8);
            padding: 1.8rem;
            border-radius: 15px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            font-size: 1.4rem;
            margin-top: 0;
            border-bottom: 2px solid #3a6b8c;
            padding-bottom: 0.7rem;
        }
        .sidebar ul {
            list-style: none;
            margin-top: 1.2rem;
        }
        .sidebar li {
            margin-bottom: 0.9rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .sidebar li:before {
            content: '▶';
            color: #f0b450;
            position: absolute;
            left: 0;
            font-size: 0.8rem;
        }
        .interaction-section {
            background: rgba(25, 45, 65, 0.9);
            padding: 2rem;
            border-radius: 12px;
            margin: 3rem 0;
            border: 1px solid #3a6b8c;
        }
        .interaction-section h3 {
            color: #6ab0de;
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: #b8c7d9;
        }
        .form-control, textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #3a6b8c;
            border-radius: 6px;
            background: #1a2b3e;
            color: #e0e0e0;
            font-size: 1rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 0.5rem 0;
        }
        .star {
            color: #555;
            font-size: 1.8rem;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffd700;
        }
        .submit-btn {
            background: linear-gradient(to right, #8cc269, #6aa84f);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #9cd279, #7ab85f);
            transform: translateY(-2px);
        }
        .site-footer {
            background: rgba(10, 20, 35, 0.98);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-top: 3px solid #3a6b8c;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section {
            flex: 1 1 250px;
        }
        .footer-section h4 {
            color: #f0b450;
            margin-bottom: 1.2rem;
        }
        .footer-links a {
            display: block;
            margin-bottom: 0.7rem;
            color: #b8c7d9;
        }
        friend-link {
            display: inline-block;
            background: rgba(58, 107, 140, 0.3);
            padding: 0.5rem 1rem;
            margin: 0.3rem;
            border-radius: 5px;
            border: 1px solid #3a6b8c;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #2a3b4c;
            color: #8a9ba8;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                top: auto;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(10, 25, 41, 0.98);
                padding: 1rem;
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            .main-nav.active ul {
                display: flex;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 8px 8px 0 0;
            }
            .search-button {
                border-radius: 0 0 8px 8px;
                padding: 0.9rem;
            }
            .article-content, .sidebar, .interaction-section {
                padding: 1.5rem;
            }
        }