* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        .main {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
            padding: 20px;
        }

        .container {
            max-width: 900px;
            margin: 0 auto;
            background: white;
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
            border-radius: 8px;
            overflow: hidden;
        }

        header {
            background:  #cc0000;
            color: white;
            padding: 40px 30px;
            text-align: center;
        }

        header h1 {
            font-size: 2.5em;
            margin-bottom: 10px;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        .dates {
            background: rgba(0, 0, 0, 0.3);
            display: inline-block;
            padding: 10px 20px;
            border-radius: 5px;
            margin-top: 15px;
        }

        .dates p {
            margin: 5px 0;
            font-size: 0.9em;
        }

        .content {
            padding: 40px;
            color: #1a1a1a;
        }

        .intro {
            background: #f5f5f5;
            border-left: 4px solid #cc0000;
            padding: 20px;
            margin-bottom: 30px;
            border-radius: 4px;
        }

        .intro p {
            margin-bottom: 15px;
        }

        .intro ul {
            list-style: none;
            padding-left: 20px;
        }

        .intro ul li {
            padding: 5px 0;
            position: relative;
        }

        .intro ul li:before {
            content: "•";
            color: #cc0000;
            font-weight: bold;
            font-size: 1.2em;
            position: absolute;
            left: -15px;
        }

        section {
            margin-bottom: 35px;
        }

        h2 {
            color: #cc0000;
            font-size: 1.8em;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e0e0e0;
        }

        h3 {
            color: #1a1a1a;
            font-size: 1.3em;
            margin: 20px 0 10px 0;
            font-weight: 600;
        }

        p {
            margin-bottom: 15px;
            text-align: justify;
        }

        ul {
            margin: 15px 0 15px 30px;
        }

        ul li {
            margin-bottom: 8px;
            color: #333;
        }

        .highlight-box {
            background: #ffffff;
            border: 1px solid #cc0000;
            padding: 20px;
            margin: 20px 0;
            border-radius: 5px;
        }

        .contact-box {
            background: #1a1a1a;
            color: white;
            padding: 30px;
            margin-top: 40px;
            border-radius: 8px;
            text-align: center;
        }

        .contact-box h2 {
            color: white;
            border-bottom: 2px solid #cc0000;
        }

        .contact-box a {
            color: #cc0000;
            text-decoration: none;
            font-weight: bold;
            transition: color 0.3s;
        }

        .contact-box a:hover {
            color: #ff4444;
        }

        footer {
            background: #1a1a1a;
            color: #999;
            text-align: center;
            padding: 20px;
            font-size: 0.9em;
        }

        .notice {
            background: #f9f9f9;
            border-left: 4px solid #666;
            padding: 15px;
            margin: 20px 0;
            font-style: italic;
            color: #555;
        }

        @media (max-width: 768px) {
            .content {
                padding: 20px;
            }

            header h1 {
                font-size: 1.8em;
            }

            h2 {
                font-size: 1.5em;
            }
        }