:root {
            --primary-dark: #1a1a1a;
            --secondary-dark: #2d2d2d;
            --accent-rust: #e36209;
            --accent-rust-light: #f6851f;
            --text-primary: #f0f0f0;
            --text-secondary: #b0b0b0;
            --border-color: #444;
            --card-bg: #252525;
            --success: #4CAF50;
            --warning: #ff9800;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            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(--primary-dark);
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-rust-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #ff9c33;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        header {
            background-color: var(--secondary-dark);
            border-bottom: 2px solid var(--accent-rust);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-sm) 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--accent-rust), var(--accent-rust-light));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .breadcrumb {
            padding: var(--spacing-xs) 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            background-color: rgba(0,0,0,0.2);
            margin-bottom: var(--spacing-sm);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-rust-light);
        }
        .nav-desktop {
            display: flex;
            gap: var(--spacing-md);
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-rust);
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background-color: var(--secondary-dark);
            padding: var(--spacing-lg) var(--spacing-md);
            transition: right 0.4s ease;
            z-index: 999;
            box-shadow: -5px 0 15px rgba(0,0,0,0.5);
            overflow-y: auto;
        }
        .mobile-nav.active {
            right: 0;
        }
        .mobile-nav a {
            display: block;
            padding: var(--spacing-sm);
            border-bottom: 1px solid var(--border-color);
            font-size: 1.1rem;
        }
        .mobile-nav a:hover {
            background-color: rgba(255,255,255,0.05);
            padding-left: var(--spacing-md);
        }
        .close-menu {
            position: absolute;
            top: var(--spacing-sm);
            right: var(--spacing-sm);
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
        }
        main {
            padding: var(--spacing-md) 0 var(--spacing-lg);
            min-height: 80vh;
        }
        article {
            background-color: var(--card-bg);
            border-radius: var(--border-radius);
            padding: var(--spacing-lg);
            box-shadow: 0 8px 30px rgba(0,0,0,0.4);
            margin-bottom: var(--spacing-lg);
        }
        h1 {
            font-size: 3rem;
            margin-bottom: var(--spacing-md);
            color: var(--accent-rust-light);
            line-height: 1.2;
            border-left: 5px solid var(--accent-rust);
            padding-left: var(--spacing-sm);
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        h2 {
            font-size: 2.2rem;
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            color: var(--text-primary);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            font-size: 1.6rem;
            margin: var(--spacing-md) 0 var(--spacing-xs);
            color: var(--accent-rust-light);
        }
        h4 {
            font-size: 1.3rem;
            margin: var(--spacing-sm) 0 var(--spacing-xs);
            color: var(--text-secondary);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        strong {
            color: var(--accent-rust-light);
            font-weight: 700;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, rgba(227,98,9,0.1), rgba(40,40,40,0.8));
            border-left: 4px solid var(--accent-rust);
            padding: var(--spacing-md);
            margin: var(--spacing-md) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .image-container {
            margin: var(--spacing-lg) auto;
            text-align: center;
            max-width: 900px;
        }
        .image-container img {
            box-shadow: 0 10px 25px rgba(0,0,0,0.6);
            transition: transform 0.5s ease, box-shadow 0.5s ease;
        }
        .image-container img:hover {
            transform: scale(1.01);
            box-shadow: 0 15px 35px rgba(0,0,0,0.7);
        }
        .caption {
            font-style: italic;
            color: var(--text-secondary);
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        .functional-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
            margin: var(--spacing-lg) 0;
        }
        .card {
            background-color: var(--secondary-dark);
            border-radius: var(--border-radius);
            padding: var(--spacing-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .card:hover {
            border-color: var(--accent-rust);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(227,98,9,0.15);
        }
        .card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .card h3 i {
            color: var(--accent-rust);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.9rem;
            border-radius: var(--border-radius);
            border: 1px solid var(--border-color);
            background-color: rgba(255,255,255,0.08);
            color: var(--text-primary);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--accent-rust);
            box-shadow: 0 0 0 2px rgba(227,98,9,0.2);
        }
        button, .btn {
            background: linear-gradient(to right, var(--accent-rust), var(--accent-rust-light));
            color: white;
            border: none;
            padding: 1rem 1.8rem;
            border-radius: var(--border-radius);
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #f6851f, #ff9c33);
            transform: translateY(-2px);
            box-shadow: 0 7px 14px rgba(227,98,9,0.3);
            text-decoration: none;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: var(--warning);
        }
        .update-time {
            text-align: right;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: var(--spacing-md);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--border-color);
        }
        footer {
            background-color: var(--secondary-dark);
            padding: var(--spacing-lg) 0;
            border-top: 2px solid var(--accent-rust);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-section h4 {
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            font-size: 1.3rem;
        }
        .footer-links a {
            display: block;
            padding: 0.5rem 0;
            color: var(--text-secondary);
        }
        friend-link {
            display: block;
            margin: 0.8rem 0;
            padding: 0.8rem;
            background-color: rgba(255,255,255,0.05);
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(227,98,9,0.1);
            padding-left: 1.2rem;
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container, .footer-content {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-sm);
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            article {
                padding: var(--spacing-md);
            }
            .functional-section {
                grid-template-columns: 1fr;
            }
        }