:root {
            --primary-bg: #0f1525;
            --secondary-bg: #1a2238;
            --accent-color: #ff4655;
            --accent-glow: rgba(255, 70, 85, 0.3);
            --text-primary: #f0f2fc;
            --text-secondary: #b8c1ec;
            --border-color: #2d374d;
            --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --max-content: 1200px;
            font-size: 16px;
        }
        * {
            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: var(--text-primary);
            background: linear-gradient(135deg, var(--primary-bg) 0%, #0a0e1a 100%);
            background-attachment: fixed;
            min-height: 100vh;
            padding-bottom: 80px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
        }
        ul, ol {
            list-style-position: inside;
            padding-left: 1.2em;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .site-header {
            background-color: rgba(15, 21, 37, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: var(--max-content);
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', Impact, sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ff4655, #7b68ee);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -1px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .main-nav {
            display: flex;
            gap: 2rem;
            align-items: center;
        }
        .main-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            border-bottom-color: var(--accent-color);
        }
        .breadcrumb {
            background-color: var(--secondary-bg);
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-color);
        }
        .breadcrumb span {
            margin: 0 0.5rem;
            color: #666;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .content-wrapper {
            max-width: var(--max-content);
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        .main-content {
            background: var(--secondary-bg);
            border-radius: 16px;
            padding: 3rem;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-color);
        }
        .sidebar {
            background: var(--secondary-bg);
            border-radius: 16px;
            padding: 2rem;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-color);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 3.2rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            background: linear-gradient(to right, #ff4655, #7b68ee);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            margin: 3rem 0 1.5rem;
            color: var(--text-primary);
            padding-left: 1rem;
            border-left: 5px solid var(--accent-color);
        }
        h3 {
            font-size: 1.7rem;
            margin: 2.5rem 0 1rem;
            color: var(--text-secondary);
        }
        h4 {
            font-size: 1.3rem;
            margin: 2rem 0 1rem;
            color: var(--text-secondary);
        }
        p {
            margin-bottom: 1.8rem;
            color: var(--text-secondary);
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 300;
            color: var(--text-primary);
            margin-bottom: 2.5rem;
            line-height: 1.9;
        }
        .highlight {
            background-color: var(--accent-glow);
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight p:last-child {
            margin-bottom: 0;
        }
        blockquote {
            font-style: italic;
            border-left: 4px solid #7b68ee;
            padding-left: 1.5rem;
            margin: 2rem 0;
            color: #c2b8ff;
        }
        .featured-image {
            margin: 3rem auto;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
            position: relative;
        }
        .featured-image img {
            transition: transform 0.7s ease;
            width: 100%;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .img-caption {
            text-align: center;
            font-size: 0.9rem;
            color: #888;
            margin-top: 0.8rem;
        }
        .interactive-module {
            background: linear-gradient(145deg, #1d2740, #161e33);
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid var(--border-color);
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        .module-title i {
            color: var(--accent-color);
            font-size: 1.8rem;
        }
        .search-box,
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--text-primary);
        }
        .form-control {
            padding: 1rem;
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-primary);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }
        .btn {
            padding: 1rem 2rem;
            background: linear-gradient(90deg, var(--accent-color), #d93a4a);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            align-self: flex-start;
        }
        .btn:hover {
            background: linear-gradient(90deg, #d93a4a, var(--accent-color));
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(255, 70, 85, 0.4);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 0.5rem 0;
        }
        .star {
            font-size: 2rem;
            color: #444;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star.active,
        .star:hover,
        .star:hover ~ .star {
            color: #ffc107;
        }
        .site-footer {
            max-width: var(--max-content);
            margin: 4rem auto 0;
            padding: 3rem 2rem;
            border-top: 1px solid var(--border-color);
            text-align: center;
            color: var(--text-secondary);
        }
        friend-link {
            display: block;
            margin-top: 2rem;
            padding: 1rem;
            background: var(--primary-bg);
            border-radius: 8px;
        }
        friend-link a {
            color: #7b68ee;
            font-weight: 600;
        }
        .copyright {
            margin-top: 2rem;
            font-size: 0.9rem;
            color: #666;
        }
        .text-bold {
            font-weight: 800;
            color: var(--text-primary);
        }
        .text-accent {
            color: var(--accent-color);
        }
        .last-updated {
            font-size: 0.9rem;
            color: #888;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px dashed var(--border-color);
            text-align: right;
        }
        @media (max-width: 1024px) {
            .content-wrapper {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                padding: 1rem;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: var(--primary-bg);
                flex-direction: column;
                padding: 2rem;
                gap: 1.5rem;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-color);
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .mobile-toggle {
                display: block;
            }
            .content-wrapper,
            .main-content,
            .breadcrumb {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            h3 {
                font-size: 1.5rem;
            }
        }