* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #c00a1e;
            --secondary: #1a1a2e;
            --accent: #ffcc00;
            --light: #f5f5f5;
            --dark: #0a0a0a;
            --gray: #444;
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--secondary);
            color: var(--light);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(to bottom, var(--dark) 0%, rgba(26, 26, 46, 0.9) 100%);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
            border-bottom: 3px solid var(--primary);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', sans-serif;
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--accent);
            text-decoration: none;
            text-shadow: 3px 3px 0 var(--primary);
            letter-spacing: 1.5px;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: #fff;
            text-shadow: 3px 3px 0 #000;
        }
        .my-logo span {
            color: var(--primary);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav a {
            color: var(--light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 15px;
            border-radius: 4px;
            transition: var(--transition);
            position: relative;
        }
        nav a:hover, nav a.active {
            background-color: var(--primary);
            color: var(--accent);
        }
        nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--accent);
            left: 50%;
            bottom: 0;
            transition: var(--transition);
        }
        nav a:hover::after {
            width: 80%;
            left: 10%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: rgba(0, 0, 0, 0.4);
            padding: 10px 0;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #aaa;
            margin: 0 8px;
        }
        main {
            padding: 30px 0;
            min-height: 80vh;
        }
        article {
            background: rgba(10, 10, 10, 0.8);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            margin-bottom: 40px;
        }
        h1 {
            color: var(--accent);
            font-size: 3.2rem;
            margin-bottom: 25px;
            line-height: 1.2;
            text-align: center;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
            border-bottom: 3px solid var(--primary);
            padding-bottom: 20px;
        }
        h2 {
            color: var(--primary);
            font-size: 2.4rem;
            margin: 40px 0 20px;
            padding-left: 15px;
            border-left: 5px solid var(--accent);
        }
        h3 {
            color: #ff9900;
            font-size: 1.8rem;
            margin: 30px 0 15px;
        }
        h4 {
            color: #00ccff;
            font-size: 1.4rem;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.15rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.4rem;
            font-weight: bold;
            color: #fff;
            background: linear-gradient(90deg, transparent, rgba(192, 10, 30, 0.2), transparent);
            padding: 20px;
            border-radius: 8px;
            margin: 30px 0;
            text-align: center;
            border-left: 4px solid var(--accent);
            border-right: 4px solid var(--accent);
        }
        em {
            color: #ffcc99;
            font-style: italic;
        }
        strong {
            color: var(--accent);
            font-weight: bold;
        }
        .highlight {
            background-color: rgba(255, 204, 0, 0.15);
            padding: 3px 6px;
            border-radius: 3px;
            font-weight: bold;
        }
        .quote {
            border-left: 5px solid var(--primary);
            padding-left: 25px;
            margin: 30px 0;
            font-style: italic;
            color: #ccc;
            background: rgba(50, 50, 70, 0.3);
            padding: 20px;
            border-radius: 0 8px 8px 0;
        }
        .author {
            text-align: right;
            color: var(--accent);
            font-weight: bold;
            margin-top: 10px;
        }
        .img-container {
            margin: 35px auto;
            text-align: center;
            max-width: 900px;
        }
        .feature-img {
            width: 100%;
            height: auto;
            border-radius: 10px;
            border: 5px solid var(--dark);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.7);
            transition: var(--transition);
        }
        .feature-img:hover {
            transform: scale(1.02);
            border-color: var(--primary);
        }
        .caption {
            font-size: 0.95rem;
            color: #aaa;
            margin-top: 10px;
            font-style: italic;
        }
        .link-list {
            background: rgba(30, 30, 50, 0.5);
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .link-list h3 {
            margin-top: 0;
        }
        .link-list ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 15px;
            list-style: none;
        }
        .link-list a {
            color: #80d0ff;
            text-decoration: none;
            padding: 8px 15px;
            background: rgba(0, 50, 80, 0.3);
            border-radius: 5px;
            display: block;
            transition: var(--transition);
        }
        .link-list a:hover {
            background: rgba(0, 100, 150, 0.5);
            color: #fff;
            padding-left: 25px;
        }
        .content-block {
            margin: 40px 0;
            padding: 25px;
            background: rgba(20, 20, 40, 0.4);
            border-radius: 10px;
            border: 1px solid rgba(255, 204, 0, 0.2);
        }
        .interactive-section {
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.9), rgba(10, 10, 20, 0.9));
            padding: 30px;
            border-radius: 12px;
            margin: 50px 0;
            border: 2px solid var(--primary);
        }
        .interactive-section h2 {
            text-align: center;
            border: none;
            padding-left: 0;
        }
        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-top: 25px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 8px;
            color: var(--accent);
            font-weight: bold;
        }
        .form-control {
            padding: 14px;
            border-radius: 6px;
            border: 2px solid var(--gray);
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--light);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(192, 10, 30, 0.3);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            background: linear-gradient(to right, var(--primary), #9c0720);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-top: 10px;
        }
        .btn:hover {
            background: linear-gradient(to right, #d90c25, var(--primary));
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(192, 10, 30, 0.4);
        }
        .btn:active {
            transform: translateY(-1px);
        }
        .rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
        }
        .star {
            font-size: 2.5rem;
            color: #555;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent);
            transform: scale(1.2);
        }
        footer {
            background-color: var(--dark);
            padding: 50px 0 30px;
            border-top: 5px solid var(--primary);
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: var(--accent);
            margin-bottom: 25px;
            font-size: 1.5rem;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-section h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 3px;
            background-color: var(--primary);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 8px;
        }
        friend-link {
            display: block;
            background: rgba(255, 204, 0, 0.1);
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
        }
        friend-link a {
            color: #80ff80;
            font-weight: bold;
            text-decoration: none;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #333;
            color: #888;
            font-size: 0.9rem;
        }
        .update-time {
            text-align: right;
            color: #aaa;
            font-size: 0.9rem;
            margin-top: 30px;
            padding-top: 10px;
            border-top: 1px dashed #555;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.7rem; }
            h2 { font-size: 2.1rem; }
            nav ul { gap: 15px; }
        }
        @media (max-width: 768px) {
            .header-content { flex-wrap: wrap; }
            nav { width: 100%; order: 3; margin-top: 20px; display: none; }
            nav.active { display: block; }
            nav ul { flex-direction: column; gap: 10px; }
            .hamburger { display: block; }
            .form-grid { grid-template-columns: 1fr; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            article { padding: 25px; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            h1 { font-size: 1.9rem; }
            .lead { font-size: 1.2rem; }
            .my-logo { font-size: 1.9rem; }
        }