* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-red: #e20a16;
            --primary-blue: #0066cc;
            --dark-bg: #1a1a2e;
            --medium-bg: #16213e;
            --light-bg: #f8f9fa;
            --text-light: #f1f1f1;
            --text-dark: #222;
            --accent-gold: #ffcc00;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-red);
        }
        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 { color: var(--primary-red); font-weight: bold; }
        .section-padding { padding: 60px 0; }
        .site-header {
            background: linear-gradient(to right, var(--dark-bg), var(--medium-bg));
            color: var(--text-light);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(45deg, var(--accent-gold), var(--primary-red));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .my-logo a { color: inherit; }
        .breadcrumb {
            padding: 12px 0;
            background-color: #eee;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .breadcrumb a { margin: 0 5px; }
        .breadcrumb span { color: #666; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .main-nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover, .main-nav a.active {
            color: var(--accent-gold);
            border-bottom-color: var(--accent-gold);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .hero-search {
            background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            padding: 80px 0;
            text-align: center;
            margin-bottom: 40px;
        }
        .hero-search h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px #000;
        }
        .search-form {
            max-width: 700px;
            margin: 30px auto 0;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-form input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
        }
        .search-form button {
            background-color: var(--primary-red);
            color: white;
            border: none;
            padding: 0 35px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #c00812;
        }
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        @media (max-width: 992px) {
            .content-layout { grid-template-columns: 1fr; }
        }
        .main-article {
            background: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .main-article h2, .main-article h3, .main-article h4 {
            color: var(--dark-bg);
            margin-top: 2.5rem;
            margin-bottom: 1.2rem;
            line-height: 1.3;
        }
        .main-article h2 {
            font-size: 2.2rem;
            border-left: 6px solid var(--primary-red);
            padding-left: 15px;
        }
        .main-article h3 {
            font-size: 1.8rem;
            color: var(--primary-blue);
        }
        .main-article h4 {
            font-size: 1.4rem;
            color: #555;
        }
        .main-article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .featured-image {
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            padding: 10px;
            background: #f0f0f0;
            color: #555;
        }
        .article-list {
            list-style: none;
            padding-left: 20px;
        }
        .article-list li {
            margin-bottom: 12px;
            padding-left: 25px;
            position: relative;
        }
        .article-list li:before {
            content: '🥊';
            position: absolute;
            left: 0;
        }
        .sidebar {
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar-widget {
            margin-bottom: 35px;
        }
        .sidebar-widget h3 {
            color: var(--primary-red);
            border-bottom: 2px solid #eee;
            padding-bottom: 10px;
            margin-bottom: 20px;
            font-size: 1.4rem;
        }
        .related-links a {
            display: block;
            padding: 12px 15px;
            margin-bottom: 10px;
            background: #f5f5f5;
            border-radius: 6px;
            border-left: 4px solid var(--primary-blue);
        }
        .related-links a:hover {
            background: #e9e9e9;
            border-left-color: var(--primary-red);
            transform: translateX(5px);
        }
        .interaction-forms {
            background: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            margin-top: 40px;
        }
        .form-group {
            margin-bottom: 25px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 14px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary-blue);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0,102,204,0.2);
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #ddd;
            margin: 10px 0;
        }
        .rating-stars .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: var(--accent-gold);
        }
        .btn-submit {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 16px 35px;
            font-size: 1.1rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .btn-submit:hover {
            background-color: #0052a3;
            transform: translateY(-3px);
        }
        .site-footer {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-widget h4 {
            color: var(--accent-gold);
            margin-bottom: 20px;
            font-size: 1.4rem;
        }
        friend-link {
            display: block;
            margin-bottom: 12px;
        }
        friend-link a {
            color: #aaa;
        }
        friend-link a:hover {
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            color: #aaa;
            font-size: 0.9rem;
        }
        .update-time {
            background: #2a2a4a;
            padding: 15px;
            border-radius: 8px;
            margin-top: 20px;
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--medium-bg);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                z-index: 999;
                box-shadow: var(--shadow);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hero-search h1 {
                font-size: 2.5rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: 12px;
            }
            .search-form input, .search-form button {
                width: 100%;
                border-radius: 0;
                padding: 16px;
            }
            .main-article, .sidebar, .interaction-forms {
                padding: 25px;
            }
            .main-article h2 {
                font-size: 1.9rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }