/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: linear-gradient(135deg, #d2691e 0%, #ff6347 50%, #cd853f 100%);
    min-height: 100vh;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 3rem;
}

.logo-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    display: inline-block;
}

.logo {
    height: 80px;
    width: auto;
}

/* Main content */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.announcement {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.title {
    font-size: 2.5rem;
    font-weight: 600;
    color: #2c3e50;
    text-align: center;
    margin-bottom: 2rem;
    line-height: 1.2;
}

.content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #34495e;
}

.lead {
    font-size: 1.3rem;
    font-weight: 500;
    color: #e74c3c;
    text-align: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: rgba(231, 76, 60, 0.1);
    border-radius: 10px;
    border-left: 4px solid #e74c3c;
}

.content p {
    margin-bottom: 1.5rem;
}

.important-notice {
    background: rgba(52, 152, 219, 0.1);
    border-left: 4px solid #3498db;
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 10px 10px 0;
}

.important-notice p {
    margin-bottom: 0;
    color: #2980b9;
}

.gratitude {
    font-size: 1.2rem;
    text-align: center;
    color: #27ae60;
    margin: 2rem 0;
    padding: 1rem;
    background: rgba(39, 174, 96, 0.1);
    border-radius: 10px;
}

.security-notice {
    background: rgba(241, 196, 15, 0.1);
    border-left: 4px solid #f1c40f;
    padding: 1.5rem;
    margin-top: 2rem;
    border-radius: 0 10px 10px 0;
}

.security-notice p {
    margin-bottom: 0;
    color: #d68910;
    font-size: 0.95rem;
}

.security-notice a {
    color: #d68910;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid transparent;
    transition: border-bottom-color 0.3s ease;
}

.security-notice a:hover {
    border-bottom-color: #d68910;
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 3rem;
}

.flame-container {
    opacity: 0.7;
}

.flame {
    height: 60px;
    width: auto;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.2));
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .announcement {
        padding: 2rem;
    }

    .title {
        font-size: 2rem;
    }

    .content {
        font-size: 1rem;
    }

    .lead {
        font-size: 1.1rem;
    }

    .logo {
        height: 60px;
    }

    .logo-container {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 1.8rem;
    }

    .announcement {
        padding: 1.5rem;
    }

    .important-notice,
    .security-notice {
        padding: 1rem;
    }
}