:root {
    --primary-blue: #1e88e5;
    --light-blue: #e3f2fd;
    --dark-blue: #1565c0;
    --border-radius: 8px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 80px auto 0;
    padding: 20px;
}

.notice-bar {
    background-color: var(--light-blue);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--primary-blue);
}

.notice-bar h2 {
    color: var(--primary-blue);
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.5em;
}

.main-content {
    background-color: #fff;
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
}

.input-group select,
.input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.input-group select:focus,
.input-group input:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0,123,255,0.2);
}

.btn {
    background-color: var(--primary-blue);
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    cursor: pointer;
    width: 100%;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.btn:hover {
    background-color: var(--dark-blue);
    transform: translateY(-1px);
    box-shadow: var(--box-shadow);
}

.qrcode-result {
    margin-top: 20px;
    text-align: center;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.qrcode-item {
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.qrcode-content {
    margin-bottom: 10px;
    font-size: 14px;
    color: #666;
}

.download-all-btn {
    width: 100%;
    margin-bottom: 20px;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.download-all-btn:hover {
    background-color: #45a049;
}

textarea#content {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    resize: vertical;
    font-family: inherit;
}

.qrcode-result img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.download-btn {
    margin-top: 15px;
    background-color: var(--primary-blue);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
    display: block;
    margin: 20px auto 0;
    width: fit-content;
}

.footer {
    margin-top: 40px;
    padding: 20px;
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.footer h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
    margin-top: 25px;
}

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

.footer p {
    margin-bottom: 10px;
    color: #666;
}

.footer-bottom {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    text-align: center;
    color: #666;
}

.download-btn:hover {
    background-color: #218838;
}

.footer {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    color: #666;
    font-size: 14px;
}
.footer-bottom{
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    text-align: center;
    color: #666;
}
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .main-content {
        padding: 20px;
    }

    .btn {
        width: 100%;
    }
}