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

        body {
            font-family: 'Trebuchet MS', Tahoma, Verdana, Arial, Helvetica, sans-serif;
            color: #333;
            background: #e5dfc7 url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%23e5dfc7"/><rect width="100" height="50" fill="%23dad3b0" opacity="0.3"/></svg>') repeat-x;
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .header-leader {
            background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
            height: 27px;
            text-align: right;
            padding: 4px 20px;
            font-size: 11px;
        }

        .header-leader a {
            color: #5a6662;
            text-decoration: none;
            margin-left: 10px;
        }

        .header-leader a:hover {
            color: #ba543e;
        }

        .main-header {
            background: linear-gradient(135deg, #5a6662 0%, #4a5652 100%);
            height: 150px;
            position: relative;
            overflow: hidden;
        }

        .main-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 50%, rgba(186, 84, 62, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 30%, rgba(98, 160, 149, 0.1) 0%, transparent 50%);
        }

        .header-content {
            max-width: 830px;
            margin: 0 auto;
            padding: 20px;
            position: relative;
            z-index: 2;
        }

        .logo {
            color: white;
            font-size: 2.5em;
            font-weight: bold;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .main-nav {
            background: rgba(90, 102, 98, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .nav-container {
            max-width: 830px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            padding: 0 20px;
        }

        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            display: block;
            color: white;
            padding: 12px 16px;
            text-decoration: none;
            font-weight: bold;
            font-size: 14px;
            transition: all 0.3s ease;
            border-radius: 4px;
            margin: 2px;
        }

        .nav-menu a:hover {
            background: rgba(186, 84, 62, 0.8);
            transform: translateY(-1px);
        }

        .main-container {
            max-width: 830px;
            margin: 0 auto;
            background: white;
            min-height: calc(100vh - 250px);
            box-shadow: 0 0 20px rgba(0,0,0,0.1);
            flex: 1;
        }

        .content-wrapper {
            padding: 40px;
        }

        h1 {
            color: #5a6662;
            font-size: 2.5em;
            margin-bottom: 30px;
            text-align: center;
            position: relative;
            padding-bottom: 15px;
        }

        h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 3px;
            background: linear-gradient(90deg, #ba543e, #62a095);
            border-radius: 2px;
        }

        article {
            margin-bottom: 40px;
        }

        article p {
            margin-bottom: 20px;
            font-size: 16px;
            line-height: 1.7;
            color: #666;
        }

        article h2 {
            color: #62a095;
            font-size: 1.8em;
            margin: 30px 0 20px 0;
            padding-left: 20px;
            border-left: 4px solid #ba543e;
        }

        article h3 {
            color: #ba543e;
            font-size: 1.4em;
            margin: 25px 0 15px 0;
        }

        .transition-section {
            background: linear-gradient(135deg, #f9f9f9 0%, #f0f0f0 100%);
            padding: 30px;
            margin: 40px 0;
            border-radius: 12px;
            border-left: 5px solid #62a095;
        }

        .transition-section p {
            font-size: 16px;
            color: #5a6662;
            margin-bottom: 15px;
        }

        .links-section {
            background: linear-gradient(135deg, #e1dbbb 0%, #d6d0aa 100%);
            padding: 40px;
            border-radius: 12px;
            margin-top: 40px;
        }

        .links-section h3 {
            color: #5a6662;
            font-size: 1.6em;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid white;
        }

        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }

        .links-grid ul {
            list-style: none;
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }

        .links-grid li {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }

        .links-grid li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: #ba543e;
            font-weight: bold;
        }

        .links-grid a {
            color: #ba543e;
            text-decoration: none;
            font-size: 15px;
            transition: color 0.3s ease;
        }

        .links-grid a:hover {
            color: #5a6662;
            text-decoration: underline;
        }

        .footer {
            background: #dad3b0;
            padding: 30px 20px;
            text-align: center;
            color: #95907c;
            margin-top: auto;
        }

        .footer-content {
            max-width: 830px;
            margin: 0 auto;
        }

        .footer a {
            color: #ba543e;
            text-decoration: none;
        }

        .footer a:hover {
            text-decoration: underline;
        }

        @media (max-width: 768px) {
            .header-leader {
                text-align: center;
                padding: 4px 10px;
            }

            .main-header {
                height: 120px;
            }

            .header-content {
                padding: 15px 10px;
                text-align: center;
            }

            .logo {
                font-size: 2em;
            }

            .nav-container {
                padding: 0 10px;
                justify-content: center;
            }

            .nav-menu {
                justify-content: center;
            }

            .nav-menu a {
                padding: 10px 12px;
                font-size: 13px;
            }

            .content-wrapper {
                padding: 20px;
            }

            h1 {
                font-size: 2em;
            }

            article h2 {
                font-size: 1.5em;
            }

            .transition-section {
                padding: 20px;
                margin: 30px 0;
            }

            .links-section {
                padding: 20px;
            }

            .links-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 480px) {
            .nav-menu a {
                padding: 8px 10px;
                font-size: 12px;
            }

            h1 {
                font-size: 1.8em;
            }

            .content-wrapper {
                padding: 15px;
            }

            .transition-section {
                padding: 15px;
            }

            .links-section {
                padding: 15px;
            }
        }