* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #FF6B00;
            --secondary-color: #1A1A2E;
            --accent-color: #00ADB5;
            --text-color: #EEEEEE;
            --light-bg: #222831;
            --dark-bg: #0F0F1B;
            --card-bg: #1A1A2E;
            --border-color: #393E46;
            --success-color: #00B894;
            --warning-color: #FDCB6E;
            --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-heading: 'Arial Rounded MT Bold', 'Arial', sans-serif;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        body {
            font-family: var(--font-main);
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--dark-bg);
            overflow-x: hidden;
        }
        header {
            background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-bg) 100%);
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
            border-bottom: 2px solid var(--primary-color);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .logo-container {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .my-logo {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary-color);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            transition: var(--transition);
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        .my-logo:hover {
            color: var(--accent-color);
            transform: scale(1.05);
        }
        .my-logo span {
            color: var(--text-color);
            font-weight: 300;
        }
        .breadcrumb {
            font-size: 0.9rem;
            color: #aaa;
            margin-top: 5px;
        }
        .breadcrumb a {
            color: var(--accent-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .nav-link {
            color: var(--text-color);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary-color);
            background: rgba(255, 107, 0, 0.1);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: var(--transition);
            transform: translateX(-50%);
        }
        .nav-link:hover::after {
            width: 80%;
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-color);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--secondary-color);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 1rem;
            box-shadow: var(--shadow);
            border-top: 1px solid var(--border-color);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav-link {
            color: var(--text-color);
            text-decoration: none;
            padding: 1rem;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .mobile-nav-link:hover {
            color: var(--primary-color);
            background: rgba(255, 107, 0, 0.1);
            padding-left: 1.5rem;
        }
        .search-container {
            max-width: 600px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .search-form {
            display: flex;
            background: var(--card-bg);
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid var(--border-color);
            transition: var(--transition);
        }
        .search-form:focus-within {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.2);
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            background: transparent;
            border: none;
            color: var(--text-color);
            font-size: 1.1rem;
        }
        .search-input:focus {
            outline: none;
        }
        .search-button {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-button:hover {
            background: #E55A00;
        }
        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }
        article {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 3rem;
            margin-bottom: 3rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }
        h1 {
            font-family: var(--font-heading);
            font-size: 3.2rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        h2 {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            color: var(--accent-color);
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            color: var(--text-color);
            margin: 2.5rem 0 1rem;
        }
        h4 {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            color: var(--warning-color);
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 300;
            color: #DDD;
            margin-bottom: 2rem;
            text-align: center;
            padding: 1rem;
            background: rgba(0, 173, 181, 0.1);
            border-radius: 8px;
            border-left: 4px solid var(--accent-color);
        }
        .highlight {
            background: linear-gradient(120deg, rgba(255, 107, 0, 0.2) 0%, transparent 100%);
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .keyword {
            color: var(--primary-color);
            font-weight: 700;
        }
        .tip-box {
            background: rgba(0, 184, 148, 0.1);
            border-left: 4px solid var(--success-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .warning-box {
            background: rgba(253, 203, 110, 0.1);
            border-left: 4px solid var(--warning-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        ul, ol {
            margin: 1.5rem 0 1.5rem 2rem;
        }
        li {
            margin-bottom: 0.8rem;
            padding-left: 0.5rem;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 8px;
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            border: 2px solid var(--border-color);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.01);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #aaa;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .content-link {
            color: var(--accent-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--accent-color);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--primary-color);
            border-bottom: 1px solid var(--primary-color);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: linear-gradient(135deg, var(--light-bg) 0%, var(--card-bg) 100%);
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        .stat-label {
            font-size: 1.1rem;
            color: var(--text-color);
        }
        .interaction-section {
            background: var(--light-bg);
            border-radius: 12px;
            padding: 2.5rem;
            margin: 3rem 0;
            border: 1px solid var(--border-color);
        }
        .section-title {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-title i {
            color: var(--accent-color);
        }
        .rating-system {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stars {
            display: flex;
            gap: 5px;
        }
        .star {
            color: #555;
            font-size: 1.8rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--warning-color);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--text-color);
        }
        .form-input,
        .form-textarea {
            width: 100%;
            padding: 1rem;
            background: var(--card-bg);
            border: 2px solid var(--border-color);
            border-radius: 6px;
            color: var(--text-color);
            font-family: var(--font-main);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            background: linear-gradient(135deg, var(--primary-color) 0%, #E55A00 100%);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .submit-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(255, 107, 0, 0.3);
        }
        footer {
            background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-bg) 100%);
            padding: 3rem 2rem 1.5rem;
            border-top: 2px solid var(--primary-color);
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--accent-color);
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 1rem;
            background: rgba(0, 173, 181, 0.1);
            border-radius: 6px;
            border-left: 4px solid var(--accent-color);
        }
        friend-link a {
            color: var(--accent-color);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
            color: #888;
            font-size: 0.9rem;
        }
        .update-time {
            color: var(--warning-color);
            font-weight: 600;
            margin-top: 1rem;
        }
        @media (max-width: 992px) {
            h1 {
                font-size: 2.6rem;
            }
            h2 {
                font-size: 2rem;
            }
            article {
                padding: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-nav-toggle {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            article {
                padding: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            main, header, footer {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            .my-logo {
                font-size: 1.8rem;
            }
            .interaction-section {
                padding: 1.5rem;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        article, .interaction-section, .search-container {
            animation: fadeInUp 0.6s ease-out;
        }