* { 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: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, #1a73e8, #0d47a1);
            color: white;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #ffeb3b;
            text-decoration: none;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
        }
        .main-nav li {
            margin-left: 25px;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 12px;
            border-radius: 5px;
            transition: background 0.3s, color 0.3s;
        }
        .main-nav a:hover, .main-nav a.active {
            background: rgba(255, 255, 255, 0.2);
            color: #ffeb3b;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background: #e3f2fd;
            padding: 12px 0;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #1a73e8;
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        main {
            flex: 1;
            padding: 30px 0;
        }
        article {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            padding: 40px;
            margin-bottom: 30px;
        }
        h1 {
            font-size: 3rem;
            color: #0d47a1;
            margin-bottom: 20px;
            line-height: 1.2;
            border-bottom: 3px solid #ff9800;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.2rem;
            color: #1a73e8;
            margin-top: 40px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #c5e1f9;
        }
        h3 {
            font-size: 1.8rem;
            color: #444;
            margin-top: 30px;
            margin-bottom: 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #666;
            margin-top: 25px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: #555;
            background: #f0f8ff;
            padding: 20px;
            border-left: 5px solid #1a73e8;
            border-radius: 0 10px 10px 0;
            margin-bottom: 30px;
        }
        .highlight {
            background: #fffde7;
            border: 1px solid #ffeb3b;
            border-radius: 10px;
            padding: 25px;
            margin: 25px 0;
            box-shadow: 0 5px 15px rgba(255, 235, 59, 0.2);
        }
        .tip-box {
            background: #e8f5e9;
            border-left: 5px solid #4caf50;
            padding: 20px;
            margin: 20px 0;
        }
        .data-point {
            display: inline-block;
            background: #1a73e8;
            color: white;
            padding: 8px 15px;
            border-radius: 20px;
            font-weight: bold;
            margin: 10px 5px;
        }
        .interview {
            background: #f3e5f5;
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
            border-left: 5px solid #9c27b0;
        }
        .game-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            display: block;
            margin: 25px auto;
            border: 3px solid #ddd;
        }
        .form-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }
        .form-card {
            background: #f9f9f9;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .form-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .form-card h3 {
            color: #1a73e8;
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #555;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #1a73e8;
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.2);
        }
        button {
            background: linear-gradient(90deg, #1a73e8, #0d47a1);
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 8px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        button:hover {
            background: linear-gradient(90deg, #0d47a1, #1a73e8);
            transform: scale(1.03);
        }
        footer {
            background: #2d3748;
            color: #e2e8f0;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-section h4 {
            color: #ffeb3b;
            font-size: 1.4rem;
            margin-bottom: 20px;
        }
        .friend-links {
            list-style: none;
        }
        .friend-links li {
            margin-bottom: 12px;
        }
        .friend-links a {
            color: #90cdf4;
            text-decoration: none;
            transition: color 0.3s;
        }
        .friend-links a:hover {
            color: #ffeb3b;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #4a5568;
            font-size: 0.95rem;
            color: #a0aec0;
        }
        .update-time {
            background: #e8f5e9;
            padding: 10px 15px;
            border-radius: 8px;
            display: inline-block;
            font-weight: bold;
            color: #2e7d32;
            margin-bottom: 30px;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            .form-container { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .header-inner { flex-wrap: wrap; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0d47a1;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                border-radius: 0 0 10px 10px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            }
            .main-nav ul.active { display: flex; }
            .main-nav li { margin: 10px 0; margin-left: 0; }
            .hamburger { display: block; }
            article { padding: 25px; }
            .footer-content { grid-template-columns: 1fr; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article section {
            animation: fadeIn 0.8s ease-out;
        }