* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #e60012;
            --secondary: #1a1a2e;
            --accent: #00a8ff;
            --light: #f8f9fa;
            --dark: #121212;
            --gray: #6c757d;
            --border: #dee2e6;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
            color: var(--light);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(18, 18, 18, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #e60012, #ff3366);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .nav-desktop {
            display: flex;
            gap: 25px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .nav-desktop a:hover {
            background: var(--primary);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--secondary);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 20px;
            border-top: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            color: white;
            text-decoration: none;
            font-weight: 600;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        main {
            flex: 1;
            padding: 40px 0;
        }
        .hero {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://placeholder.com/1200x600') center/cover no-repeat;
            border-radius: var(--radius);
            padding: 60px 40px;
            margin-bottom: 40px;
            text-align: center;
        }
        h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            background: linear-gradient(90deg, #ff3366, #00a8ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
            .hero {
                padding: 40px 20px;
            }
        }
        .subtitle {
            font-size: 1.3rem;
            margin-bottom: 30px;
            color: #ccc;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        section {
            background: rgba(30, 30, 46, 0.8);
            border-radius: var(--radius);
            padding: 30px;
            margin-bottom: 30px;
            border: 1px solid rgba(255,255,255,0.05);
        }
        h2 {
            color: var(--accent);
            border-left: 4px solid var(--primary);
            padding-left: 15px;
            margin-bottom: 25px;
            font-size: 2rem;
        }
        h3 {
            color: #ffcc00;
            margin: 25px 0 15px;
            font-size: 1.5rem;
        }
        h4 {
            color: #aaddff;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 15px;
            font-size: 1.05rem;
        }
        ul, ol {
            padding-left: 25px;
            margin-bottom: 20px;
        }
        li {
            margin-bottom: 8px;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .card {
            background: rgba(40, 40, 60, 0.8);
            border-radius: var(--radius);
            padding: 25px;
            border: 1px solid rgba(255,255,255,0.1);
            transition: var(--transition);
        }
        .card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 10px 20px rgba(230,0,18,0.2);
        }
        .card-title {
            color: var(--accent);
            margin-bottom: 15px;
            font-size: 1.4rem;
        }
        .img-container {
            margin: 25px 0;
            border-radius: var(--radius);
            overflow: hidden;
        }
        .responsive-img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .responsive-img:hover {
            transform: scale(1.02);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            background: rgba(40,40,60,0.8);
            border-radius: var(--radius);
            overflow: hidden;
        }
        th {
            background: var(--primary);
            padding: 15px;
            text-align: left;
        }
        td {
            padding: 12px 15px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        tr:hover {
            background: rgba(255,255,255,0.05);
        }
        .form-group {
            margin-bottom: 20px;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius);
            color: white;
            font-size: 1rem;
        }
        input:focus, textarea:focus {
            outline: none;
            border-color: var(--accent);
        }
        button {
            background: linear-gradient(90deg, var(--primary), #ff3366);
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
            min-height: 44px;
            min-width: 44px;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(230,0,18,0.4);
        }
        .search-box {
            max-width: 500px;
            margin: 30px auto;
            display: flex;
            gap: 10px;
        }
        .search-box input {
            flex: 1;
        }
        .rating-stars {
            color: #ffcc00;
            font-size: 1.5rem;
            margin: 10px 0;
        }
        .share-buttons {
            display: flex;
            gap: 15px;
            margin: 30px 0;
        }
        .share-btn {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: rgba(255,255,255,0.1);
            border-radius: 50px;
            text-decoration: none;
            color: white;
            transition: var(--transition);
        }
        .share-btn:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--primary);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 1.5rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
            z-index: 999;
        }
        .back-to-top:hover {
            transform: translateY(-5px);
        }
        footer {
            background: rgba(10, 10, 20, 0.95);
            border-top: 2px solid var(--primary);
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: var(--accent);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
        }
        friend-link a {
            color: #aaa;
            text-decoration: none;
            transition: color 0.3s;
        }
        friend-link a:hover {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #888;
            font-size: 0.9rem;
        }
        .highlight {
            background: rgba(255,204,0,0.1);
            border-left: 4px solid #ffcc00;
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .note {
            background: rgba(0,168,255,0.1);
            border-left: 4px solid var(--accent);
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .badge {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 10px;
        }
        .author-box {
            background: rgba(40,40,60,0.8);
            padding: 20px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            gap: 20px;
            margin: 30px 0;
        }
        .author-img {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: #555;
        }
        .update-time {
            font-size: 0.9rem;
            color: #aaa;
            margin-top: 40px;
            text-align: center;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }
            section {
                padding: 20px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .share-buttons {
                flex-wrap: wrap;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 2rem;
            }
            .subtitle {
                font-size: 1.1rem;
            }
            button {
                padding: 12px 20px;
            }
        }