* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: #007bff;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            padding: 15px 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: bold;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        .my-logo:hover {
            color: #ffcc00;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links li a {
            color: white;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 5px;
            transition: background 0.3s ease;
        }
        .nav-links li a:hover {
            background: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #e9ecef;
            margin-bottom: 20px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 10px;
            color: #6c757d;
        }
        main {
            padding: 30px 0;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        article {
            padding: 0 30px;
        }
        h1 {
            font-size: 2.8rem;
            color: #343a40;
            margin-bottom: 20px;
            text-align: center;
            line-height: 1.3;
        }
        .update-time {
            text-align: center;
            color: #6c757d;
            font-style: italic;
            margin-bottom: 30px;
            font-size: 0.95rem;
        }
        h2 {
            font-size: 2rem;
            color: #495057;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #007bff;
        }
        h3 {
            font-size: 1.6rem;
            color: #6c757d;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #868e96;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: #fff3cd;
            padding: 15px;
            border-left: 5px solid #ffc107;
            margin: 20px 0;
            border-radius: 5px;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
            margin: 30px 0;
        }
        .link-list a {
            display: block;
            padding: 12px;
            background: #e7f1ff;
            border-radius: 8px;
            text-align: center;
            font-weight: 500;
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .link-list a:hover {
            background: #cfe2ff;
            transform: translateY(-3px);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 25px auto;
            display: block;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        img:hover {
            transform: scale(1.02);
        }
        .interactive-forms {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .form-box {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 10px;
            border: 1px solid #dee2e6;
        }
        .form-box h3 {
            margin-top: 0;
            color: #007bff;
        }
        .form-box input, .form-box textarea, .form-box select {
            width: 100%;
            padding: 12px;
            margin: 10px 0;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
        }
        .form-box button {
            background: #007bff;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s ease;
        }
        .form-box button:hover {
            background: #0056b3;
        }
        footer {
            background: #343a40;
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 30px;
        }
        .friend-links {
            flex: 1;
            min-width: 250px;
        }
        .friend-links h3 {
            color: #ffcc00;
            margin-bottom: 15px;
        }
        .friend-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .friend-links a {
            color: #adb5bd;
            padding: 8px 0;
            border-bottom: 1px dashed #495057;
            transition: color 0.3s ease;
        }
        .friend-links a:hover {
            color: #ffcc00;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #495057;
            margin-top: 30px;
            font-size: 0.9rem;
            color: #adb5bd;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #6a11cb;
                position: absolute;
                top: 80px;
                left: 0;
                padding: 20px;
                z-index: 1000;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            article {
                padding: 0 15px;
            }
            .interactive-forms {
                grid-template-columns: 1fr;
            }
        }