:root {
            --primary-red: #e10600;
            --dark-bg: #15151e;
            --medium-bg: #1e1e28;
            --light-bg: #2a2a37;
            --text-primary: #ffffff;
            --text-secondary: #b0b0c0;
            --accent-yellow: #ffd700;
            --accent-blue: #00a8ff;
            --border-radius: 8px;
            --transition-speed: 0.3s;
            --container-padding: clamp(1rem, 5vw, 3rem);
            --max-content-width: 1200px;
        }
        * {
            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: var(--text-primary);
            background-color: var(--dark-bg);
            background-image: radial-gradient(circle at 15% 50%, var(--medium-bg) 0%, transparent 20%), radial-gradient(circle at 85% 30%, var(--medium-bg) 0%, transparent 20%);
            min-height: 100vh;
        }
        a {
            color: var(--accent-blue);
            text-decoration: none;
            transition: color var(--transition-speed) ease;
        }
        a:hover {
            color: var(--accent-yellow);
        }
        .container {
            width: 100%;
            max-width: var(--max-content-width);
            margin: 0 auto;
            padding: 0 var(--container-padding);
        }
        header {
            background-color: rgba(21, 21, 30, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--primary-red);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Arial Black', Impact, sans-serif;
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            font-weight: 900;
            color: var(--text-primary);
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .my-logo span {
            color: var(--primary-red);
            position: relative;
        }
        .my-logo span::after {
            content: '®';
            font-size: 0.6em;
            vertical-align: super;
            color: var(--accent-yellow);
        }
        .my-logo:hover {
            color: var(--accent-yellow);
        }
        .my-logo:hover span {
            color: white;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
            flex-wrap: wrap;
        }
        nav a {
            color: var(--text-secondary);
            font-weight: 600;
            padding: 0.5rem;
            border-radius: var(--border-radius);
            display: block;
        }
        nav a:hover, nav a.active {
            color: var(--primary-red);
            background-color: rgba(225, 6, 0, 0.1);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
            padding: 0.5rem;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition-speed);
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 1rem;
            border-bottom: 1px solid var(--light-bg);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-blue);
        }
        .breadcrumb i {
            margin: 0 0.5rem;
        }
        main {
            padding: 3rem 0;
            background-color: rgba(30, 30, 40, 0.7);
        }
        article {
            background-color: rgba(42, 42, 55, 0.8);
            border-radius: var(--border-radius);
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            margin-bottom: 3rem;
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            color: var(--primary-red);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            color: var(--accent-yellow);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--light-bg);
        }
        h3 {
            font-size: clamp(1.4rem, 3vw, 1.8rem);
            color: var(--accent-blue);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text-secondary);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 300;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            padding: 1rem;
            background-color: rgba(21, 21, 30, 0.5);
            border-left: 4px solid var(--primary-red);
        }
        strong {
            color: var(--accent-yellow);
            font-weight: 700;
        }
        em {
            color: var(--text-secondary);
            font-style: italic;
        }
        blockquote {
            border-left: 4px solid var(--primary-red);
            padding-left: 1.5rem;
            margin: 2rem 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        li strong {
            color: var(--accent-blue);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            border: 3px solid var(--light-bg);
            margin: 2rem auto;
            display: block;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
            transition: transform var(--transition-speed);
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-secondary);
            margin-top: -1.5rem;
            margin-bottom: 2rem;
            font-size: 0.9rem;
        }
        .interactive-section {
            background-color: var(--dark-bg);
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid var(--primary-red);
        }
        .interactive-section h3 {
            margin-top: 0;
        }
        form {
            display: grid;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        input, textarea, select {
            padding: 0.8rem 1rem;
            border-radius: var(--border-radius);
            border: 1px solid var(--light-bg);
            background-color: var(--medium-bg);
            color: var(--text-primary);
            font-family: inherit;
            width: 100%;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--accent-blue);
        }
        button, .btn {
            padding: 0.8rem 2rem;
            background: linear-gradient(to right, var(--primary-red), #b30500);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all var(--transition-speed);
            justify-self: start;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #ff1a1a, var(--primary-red));
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(225, 6, 0, 0.4);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: var(--text-secondary);
            font-size: 1.8rem;
            cursor: pointer;
            transition: color var(--transition-speed);
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--accent-yellow);
        }
        .star-rating input:checked + label {
            color: var(--accent-yellow);
        }
        footer {
            background-color: var(--dark-bg);
            border-top: 2px solid var(--primary-red);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: var(--text-primary);
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .friend-links a {
            color: var(--text-secondary);
            padding: 0.3rem 0;
            border-bottom: 1px dotted var(--light-bg);
        }
        .friend-links a:hover {
            color: var(--accent-blue);
            border-bottom-color: var(--accent-blue);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--light-bg);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .update-time {
            color: var(--accent-yellow);
            font-weight: bold;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            nav {
                width: 100%;
                display: none;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .hamburger {
                display: flex;
                position: absolute;
                top: 1.5rem;
                right: var(--container-padding);
            }
            .hamburger.active span:nth-child(1) {
                transform: rotate(45deg) translate(5px, 5px);
            }
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            .hamburger.active span:nth-child(3) {
                transform: rotate(-45deg) translate(7px, -6px);
            }
            article {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }
        .mt-3 {
            margin-top: 3rem;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2rem;
        }