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

        body {
            font-family: Verdana, Arial, Helvetica, sans-serif;
            font-size: 14px;
            line-height: 1.6;
            color: #000;
            background: #f5f5f5;
            background-image: linear-gradient(to bottom, #e8f0ff 0%, #f5f5f5 100%);
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        header {
            background: linear-gradient(135deg, #91B9F4 0%, #6a9eef 100%);
            padding: 30px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            margin-bottom: 40px;
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo-section {
            display: flex;
            align-items: center;
            gap: 20px;
            flex: 1;
        }

        .logo-icon {
            width: 80px;
            height: 80px;
            background: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
            font-weight: bold;
            color: #91B9F4;
            font-size: 24px;
        }

        .logo-text {
            font-size: 28px;
            font-weight: bold;
            color: #fff;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
        }

        .update-info {
            background: rgba(255, 255, 255, 0.9);
            padding: 12px 20px;
            border-radius: 8px;
            font-size: 11px;
            color: #666;
            text-align: center;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
        }

        nav {
            background: #333;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
            margin-bottom: 40px;
        }

        nav .container {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0;
        }

        nav a {
            color: #fff;
            padding: 15px 25px;
            text-decoration: none;
            font-size: 13px;
            font-weight: 500;
            transition: background-color 0.3s ease;
            border-right: 1px solid #555;
        }

        nav a:last-child {
            border-right: none;
        }

        nav a:hover {
            background-color: #91B9F4;
            color: #fff;
        }

        main {
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
            padding: 40px;
            margin-bottom: 40px;
        }

        h1 {
            font-size: 32px;
            color: #333;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 3px solid #91B9F4;
            font-weight: bold;
        }

        article {
            color: #333;
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        article p {
            margin-bottom: 20px;
        }

        article h2 {
            font-size: 24px;
            color: #336;
            margin-top: 30px;
            margin-bottom: 15px;
        }

        article h3 {
            font-size: 19px;
            color: #336;
            margin-top: 25px;
            margin-bottom: 12px;
        }

        article h4 {
            font-size: 16px;
            color: #336;
            margin-top: 20px;
            margin-bottom: 10px;
        }

        .transition-section {
            background: #f9f9f9;
            border-left: 4px solid #91B9F4;
            padding: 25px;
            margin: 30px 0;
            border-radius: 8px;
        }

        .transition-section p {
            margin-bottom: 15px;
            color: #555;
        }

        {% if links %}
        .links-section {
            background: linear-gradient(to bottom, #f0f7ff 0%, #fff 100%);
            border: 2px solid #91B9F4;
            border-radius: 12px;
            padding: 35px;
            margin-top: 40px;
        }

        .links-section h3 {
            font-size: 20px;
            color: #336;
            margin-bottom: 20px;
            margin-top: 30px;
            padding-bottom: 10px;
            border-bottom: 2px solid #91B9F4;
        }

        .links-section h3:first-child {
            margin-top: 0;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px 30px;
            margin-bottom: 20px;
        }

        .links-section li {
            padding: 0;
        }

        .links-section a {
            color: #c00;
            text-decoration: none;
            font-size: 13px;
            transition: color 0.3s ease, padding-left 0.3s ease;
            display: block;
            padding: 8px 0;
        }

        .links-section a:hover {
            color: #336;
            padding-left: 8px;
            text-decoration: underline;
        }

        .links-section a::before {
            content: "▸ ";
            color: #91B9F4;
            font-weight: bold;
        }
        {% endif %}

        footer {
            background: #333;
            color: #ccc;
            padding: 25px 0;
            text-align: center;
            font-size: 12px;
            margin-top: 50px;
            box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
        }

        footer a {
            color: #91B9F4;
            text-decoration: none;
            margin: 0 15px;
            transition: color 0.3s ease;
        }

        footer a:hover {
            color: #fff;
            text-decoration: underline;
        }

        @media (max-width: 768px) {
            header .container {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }

            .logo-section {
                flex-direction: column;
                gap: 15px;
            }

            .logo-text {
                font-size: 22px;
            }

            nav a {
                padding: 12px 15px;
                font-size: 12px;
            }

            main {
                padding: 25px 20px;
            }

            h1 {
                font-size: 26px;
            }

            .links-section {
                padding: 25px 20px;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            footer a {
                display: block;
                margin: 10px 0;
            }
        }

        @media (max-width: 480px) {
            .logo-text {
                font-size: 18px;
            }

            .logo-icon {
                width: 60px;
                height: 60px;
                font-size: 20px;
            }

            h1 {
                font-size: 22px;
            }

            nav a {
                width: 100%;
                border-right: none;
                border-bottom: 1px solid #555;
            }

            nav a:last-child {
                border-bottom: none;
            }
        }