        * {
            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: #e0e0e0;
            background-color: #0a0e17;
            background-image: radial-gradient(circle at 15% 50%, rgba(30, 60, 114, 0.15) 0%, transparent 55%), radial-gradient(circle at 85% 30%, rgba(80, 30, 90, 0.1) 0%, transparent 55%);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #a5d8ff;
            text-shadow: 0 0 8px rgba(77, 171, 247, 0.6);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            padding-right: 15px;
            padding-left: 15px;
            margin-right: auto;
            margin-left: auto;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-2 { margin-top: 2rem; }
        .p-2 { padding: 2rem; }
        h1, h2, h3, h4 {
            font-family: Georgia, 'Times New Roman', Times, serif;
            color: #ffffff;
            margin-top: 1.5em;
            margin-bottom: 0.7em;
            line-height: 1.3;
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            background: linear-gradient(90deg, #ff9a00, #ff2e00, #aa00ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-align: center;
            padding-bottom: 10px;
            border-bottom: 3px solid #333;
        }
        h2 {
            font-size: 2.2rem;
            color: #4dabf7;
            padding-left: 15px;
            border-left: 5px solid #ff9a00;
        }
        h3 {
            font-size: 1.8rem;
            color: #a5d8ff;
        }
        h4 {
            font-size: 1.4rem;
            color: #d0bfff;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
            hyphens: auto;
        }
        strong {
            color: #ffcc00;
            font-weight: 700;
        }
        em { font-style: italic; color: #b2f2bb; }
        .lead {
            font-size: 1.4rem;
            color: #b2f2bb;
            font-weight: 300;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #868e96;
            text-align: right;
            padding: 10px;
            border-top: 1px dashed #444;
        }
        .site-header {
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #1e3a8a;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        .header-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Trebuchet MS', sans-serif;
            font-size: 2.5rem;
            font-weight: 900;
            background: linear-gradient(45deg, #ff6b00, #ffa500, #ffdd00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .my-logo i {
            font-size: 2rem;
            background: none;
            -webkit-text-fill-color: #ffa500;
        }
        .breadcrumb {
            padding: 1rem;
            background: rgba(30, 41, 59, 0.8);
            border-radius: 8px;
            margin: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #a5d8ff;
        }
        .breadcrumb span {
            color: #adb5bd;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-list a {
            color: #e9ecef;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a:hover {
            background: rgba(77, 171, 247, 0.2);
            color: #a5d8ff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #ffa500;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .search-container {
            margin: 2rem auto;
            max-width: 600px;
        }
        .search-form {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            background: rgba(255,255,255,0.1);
            color: white;
            font-size: 1rem;
        }
        .search-input::placeholder {
            color: #adb5bd;
        }
        .search-button {
            background: linear-gradient(90deg, #ff6b00, #ffa500);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s;
        }
        .search-button:hover {
            background: linear-gradient(90deg, #ffa500, #ffcc00);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: rgba(25, 30, 45, 0.7);
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid #334155;
        }
        .featured-image {
            width: 100%;
            margin: 2rem auto;
            text-align: center;
        }
        .featured-image img {
            border: 3px solid #4dabf7;
            box-shadow: 0 0 25px rgba(77, 171, 247, 0.5);
            transition: transform 0.5s;
        }
        .featured-image img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            font-style: italic;
            color: #94a3b8;
            margin-top: 0.5rem;
        }
        .sidebar {
            background: rgba(30, 41, 59, 0.8);
            border-radius: 15px;
            padding: 1.5rem;
            border: 1px solid #475569;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar h3 {
            color: #ffcc00;
            border-bottom: 2px solid #ffcc00;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 1rem;
            border-left: 3px solid transparent;
            transition: all 0.3s;
        }
        .related-links li:hover {
            border-left-color: #4dabf7;
            padding-left: 1.5rem;
        }
        .interaction-section {
            background: rgba(15, 23, 42, 0.9);
            border-radius: 15px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #1e3a8a;
        }
        .interaction-section h2 {
            text-align: center;
            border: none;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            color: #a5d8ff;
            font-weight: bold;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 1rem;
            border-radius: 8px;
            border: 1px solid #475569;
            background: rgba(255,255,255,0.05);
            color: white;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: #4dabf7;
            box-shadow: 0 0 0 3px rgba(77, 171, 247, 0.2);
        }
        .rating-container {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        .star-rating {
            display: flex;
            gap: 5px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #495057;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffcc00;
        }
        .form-button {
            background: linear-gradient(90deg, #20c997, #12b886);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .form-button:hover {
            background: linear-gradient(90deg, #12b886, #0ca678);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(18, 184, 134, 0.4);
        }
        .site-footer {
            background: rgba(10, 14, 23, 0.95);
            border-top: 2px solid #1e3a8a;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #ffa500;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        friend-link {
            display: block;
            background: rgba(77, 171, 247, 0.1);
            padding: 1rem;
            border-radius: 8px;
            margin: 1rem 0;
            border-left: 4px solid #4dabf7;
            transition: all 0.3s;
        }
        friend-link:hover {
            background: rgba(77, 171, 247, 0.2);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            color: #868e96;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .main-nav {
                width: 100%;
                margin-top: 1rem;
                justify-content: space-between;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(15, 23, 42, 0.98);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-radius: 0 0 15px 15px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
                z-index: 999;
            }
            .nav-list.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .article-content, .sidebar {
                padding: 1.5rem;
            }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
        }
