* { 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: #f8f9fa;
            background-image: radial-gradient(#e0e0e0 1px, transparent 1px);
            background-size: 20px 20px;
        }
        a { color: #4a6ee0; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #ff4655; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            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; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .section-padding { padding: 60px 0; }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, #4a6ee0, #6a4de0);
            color: white;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(74, 110, 224, 0.3);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 18px rgba(74, 110, 224, 0.5);
            background: linear-gradient(135deg, #6a4de0, #4a6ee0);
        }
        .site-header {
            background: #1a1a2e;
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(90deg, #ff4655, #4a6ee0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
        }
        .my-logo a { background: none; -webkit-text-fill-color: inherit; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: #e0e0e0;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 0;
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active { color: #ff4655; }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ff4655;
            transition: width 0.3s ease;
            border-radius: 2px;
        }
        .main-nav a:hover::after,
        .main-nav a.active::after { width: 100%; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ff4655;
            background: none;
            border: none;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: #1a1a2e;
                padding: 20px;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.4s ease;
                box-shadow: 0 10px 20px rgba(0,0,0,0.2);
                z-index: 999;
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 15px;
            }
            .main-nav a {
                display: block;
                padding: 12px;
                border-bottom: 1px solid #2a2a3e;
            }
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 12px 0;
            font-size: 0.95rem;
            margin-bottom: 30px;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 10px;
            color: #888;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-top: 30px;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
        }
        .main-article {
            background: white;
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .article-header { margin-bottom: 40px; }
        .article-header h1 {
            font-size: 2.8rem;
            color: #1a1a2e;
            line-height: 1.2;
            margin-bottom: 15px;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            color: #666;
            font-size: 0.95rem;
            border-bottom: 2px solid #f0f0f0;
            padding-bottom: 20px;
        }
        .update-time { color: #ff4655; font-weight: 600; }
        h2 {
            font-size: 2rem;
            color: #2a2a3e;
            margin: 50px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #4a6ee0;
        }
        h3 {
            font-size: 1.6rem;
            color: #3a3a4e;
            margin: 35px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #4a4a5e;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #444;
            font-weight: 500;
            line-height: 1.8;
            background: #f8f9ff;
            padding: 25px;
            border-left: 5px solid #4a6ee0;
            border-radius: 0 10px 10px 0;
            margin-bottom: 35px;
        }
        .featured-image {
            margin: 30px 0 40px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 10px;
            background: #f9f9f9;
        }
        .sidebar {
            background: white;
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar-widget {
            margin-bottom: 35px;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: #1a1a2e;
            padding-bottom: 8px;
            border-bottom: 2px solid #ff4655;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input:focus { border-color: #4a6ee0; }
        .search-form button {
            background: #4a6ee0;
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #3a5ed0; }
        .comment-form, .rating-form {
            background: #f8f9ff;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid #e0e6ff;
        }
        .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: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #4a6ee0;
            outline: none;
        }
        textarea.form-control { min-height: 120px; resize: vertical; }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars .star:hover,
        .stars .star.active { color: #ffc107; }
        .site-footer {
            background: #1a1a2e;
            color: #ccc;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-widget h4 {
            color: white;
            font-size: 1.4rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ff4655;
            display: inline-block;
        }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a {
            color: #aaa;
            transition: color 0.3s, padding-left 0.3s;
        }
        .footer-links a:hover {
            color: #ff4655;
            padding-left: 8px;
        }
        friend-link {
            display: block;
            padding: 15px;
            background: #2a2a3e;
            border-radius: 8px;
            margin-bottom: 15px;
            color: #4a6ee0;
            font-weight: 600;
            text-align: center;
            transition: background 0.3s;
        }
        friend-link:hover { background: #3a3a4e; }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2a2a3e;
            color: #888;
            font-size: 0.9rem;
        }