* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: #121212;
            max-width: 100vw;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #74c0fc;
            text-shadow: 0 0 8px rgba(116, 192, 252, 0.5);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, #2a6bc9, #1a4a9e);
            color: white;
            border-radius: 8px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(135deg, #3b7de0, #2a5cc5);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(43, 107, 201, 0.4);
        }
        .text-center { text-align: center; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .site-header {
            background: #1a1a1a;
            border-bottom: 1px solid #333;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, #4dabf7, #da77f2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            background: linear-gradient(90deg, #da77f2, #4dabf7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: #ccc;
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #4dabf7;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4dabf7;
            transition: width 0.3s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #ccc;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                background: #1a1a1a;
                padding: 2rem;
                transition: left 0.4s ease;
                border-top: 1px solid #333;
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 1.5rem;
            }
        }
        .breadcrumb {
            background: #1e1e1e;
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #999;
            margin-bottom: 2rem;
        }
        .breadcrumb a { color: #aaa; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article {
            background: #1a1a1a;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 1.5rem;
            background: linear-gradient(90deg, #4dabf7, #da77f2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 2rem;
            color: #74c0fc;
            margin-top: 3rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2a6bc9;
        }
        h3 {
            font-size: 1.6rem;
            color: #a5d8ff;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #bac8ff;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: #ccc;
            font-weight: 300;
            margin-bottom: 2rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, rgba(42, 107, 201, 0.15), rgba(26, 74, 158, 0.15));
            border-left: 5px solid #2a6bc9;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 2rem 0;
        }
        .featured-image {
            width: 100%;
            border-radius: 12px;
            overflow: hidden;
            margin: 2.5rem 0;
            border: 1px solid #333;
        }
        .sidebar {
            background: #1a1a1a;
            border-radius: 12px;
            padding: 2rem;
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            color: #da77f2;
            margin-bottom: 1.2rem;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            background: #252525;
            border: 1px solid #444;
            border-radius: 8px 0 0 8px;
            color: #fff;
        }
        .search-form button {
            background: #2a6bc9;
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
        }
        .interaction-form {
            background: #252525;
            padding: 1.8rem;
            border-radius: 10px;
            margin-top: 2rem;
        }
        .interaction-form h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: #ccc;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            background: #1a1a1a;
            border: 1px solid #444;
            border-radius: 6px;
            color: #fff;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #555;
            cursor: pointer;
        }
        .stars .star:hover,
        .stars .star.active {
            color: #ffd43b;
        }
        .comment {
            background: #252525;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 1.5rem;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.8rem;
            color: #aaa;
            font-size: 0.9rem;
        }
        .related-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2.5rem 0;
        }
        .link-card {
            background: #252525;
            padding: 1.2rem;
            border-radius: 8px;
            border-left: 4px solid #4dabf7;
            transition: transform 0.3s;
        }
        .link-card:hover {
            transform: translateX(5px);
        }
        .site-footer {
            background: #1a1a1a;
            border-top: 1px solid #333;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-columns {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-column h3 {
            color: #74c0fc;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        friend-link {
            display: block;
            padding: 0.8rem;
            background: #252525;
            margin-bottom: 0.8rem;
            border-radius: 6px;
            border: 1px dashed #444;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #333;
            color: #777;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.4rem; }
            article, .sidebar { padding: 1.8rem; }
            .main-content { gap: 2rem; }
        }