@charset "utf-8";
/* CSS Document */


        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Georgia', 'Times New Roman', serif;
        }
        
        body {
            background-color: #f9f7f2;
            color: #333;
            line-height: 1.8;
            background-image: url('data:image/svg+xml;utf8,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><path d="M20,20 L80,20 L80,80 L20,80 Z" fill="none" stroke="%23e8e3d7" stroke-width="0.5"/></svg>');
        }
        
        .header {
            background: linear-gradient(135deg, #1a3a8f 0%, #0d2a6e 100%);
            color: white;
            padding: 50px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .header::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(to right, #ffd700, #ffed4e);
        }
        
        .school-name {
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
        }
        
        .school-motto {
            font-size: 1.2rem;
            font-style: italic;
            opacity: 0.9;
            margin-bottom: 20px;
        }
        
        .anniversary-badge {
            display: inline-block;
            background: #ffd700;
            color: #1a3a8f;
            padding: 8px 25px;
            border-radius: 30px;
            font-weight: bold;
            font-size: 1.1rem;
            margin-top: 15px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }
        
        .container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 40px 20px;
        }
        
        .message-header {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
            padding-bottom: 20px;
        }
        
        .message-header::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 3px;
            background: #1a3a8f;
        }
        
        .message-title {
            color: #1a3a8f;
            font-size: 2.5rem;
            margin-bottom: 10px;
            font-weight: 700;
        }
        
        .message-subtitle {
            color: #666;
            font-size: 1.2rem;
            font-style: italic;
        }
        
        .message-content {
            background: white;
            border-radius: 15px;
            padding: 50px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            border: 1px solid #e8e3d7;
            position: relative;
        }
        
        .message-content::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 8px;
            height: 100%;
            background: linear-gradient(to bottom, #1a3a8f, #ffd700);
            border-radius: 15px 0 0 15px;
        }
        
        .greeting {
            font-size: 1.4rem;
            color: #1a3a8f;
            margin-bottom: 30px;
            font-weight: 600;
        }
        
        .message-body p {
            margin-bottom: 25px;
            font-size: 1.15rem;
            text-align: justify;
            color: #444;
        }
        
        .highlight-box {
            background: #f0f5ff;
            border-left: 5px solid #1a3a8f;
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 10px 10px 0;
        }
        
        .highlight-box h3 {
            color: #1a3a8f;
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .signature {
            margin-top: 50px;
            text-align: right;
            border-top: 2px solid #e8e3d7;
            padding-top: 25px;
        }
        
        .signature-name {
            font-size: 1.4rem;
            color: #1a3a8f;
            font-weight: 700;
            margin-bottom: 5px;
        }
        
        .signature-title {
            color: #666;
            font-size: 1.1rem;
            font-style: italic;
        }
        
        .diamond-section {
            background: linear-gradient(135deg, #fff8e1 0%, #fff0c2 100%);
            border-radius: 10px;
            padding: 30px;
            margin: 40px 0;
            text-align: center;
            border: 2px dashed #ffc107;
            position: relative;
        }
        
        .diamond-icon {
            font-size: 2.5rem;
            color: #1a3a8f;
            margin-bottom: 15px;
        }
        
        .diamond-title {
            color: #b8860b;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        
        .navigation {
            display: flex;
            justify-content: space-between;
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid #e8e3d7;
        }
        
        .nav-btn {
            background: #1a3a8f;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .nav-btn:hover {
            background: #0d2a6e;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(26, 58, 143, 0.3);
        }
        
        .nav-btn.back {
            background: #666;
        }
        
        .nav-btn.back:hover {
            background: #444;
        }
        
        .footer {
            background: #1a3a8f;
            color: white;
            text-align: center;
            padding: 30px 20px;
            margin-top: 60px;
        }
        
        .footer p {
            margin-bottom: 10px;
            opacity: 0.9;
        }
        
        .copyright {
            font-size: 0.9rem;
            opacity: 0.7;
        }
        
        .seal img{
			
            width: 100px;
            height: 100px;
            background: white;
            border-radius: 42%;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .seal i {
            font-size: 3rem;
            color: #1a3a8f;
        }
        
        @media (max-width: 768px) {
            .container {
                padding: 20px;
            }
            
            .school-name {
                font-size: 2rem;
            }
            
            .message-title {
                font-size: 2rem;
            }
            
            .message-content {
                padding: 30px 20px;
            }
            
            .message-content::before {
                width: 5px;
            }
            
            .navigation {
                flex-direction: column;
                gap: 15px;
            }
            
            .nav-btn {
                width: 100%;
                justify-content: center;
            }
        }
        
        @media print {
            .nav-btn, .anniversary-badge {
                display: none;
            }
            
            .message-content {
                box-shadow: none;
                border: 1px solid #ccc;
            }
        }