/* 全局样式 */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f9f9f9;
    color: #333;
    margin: 0;
    padding: 0;
}


/* header（导航栏）样式 */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    padding: 1em 2em;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    width: 40px;
    height: 40px;
    margin-right: 1em;
    border-radius: 50%;
}

header h1 {
    font-size: 1.8em;
    margin: 0;
}

.header-buttons {
    display: flex;
    align-items: center;
    gap: 1em;
}

.nav-btn {
    padding: 0.7em 1.2em;
    background-color: #ffffff;
    color: #4CAF50;
    border: 1px solid #4CAF50;
    border-radius: 6px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-btn.active {
    background-color: #4CAF50;
    color: #ffffff;
    font-weight: bold;
    border-color: #45a049;
}

#language-switcher {
    padding: 0.5em;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1em;
    cursor: pointer;
}


/* 主体内容区域 */
main {
    max-width: 800px;
    margin: 2em auto;
    background: white;
    padding: 2em;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* 表单元素样式 */
label {
    display: block;
    margin-top: 1em;
    font-size: 1.1em;
    font-weight: bold;
}

textarea, select, input, button {
    width: 100%;
    padding: 0.7em;
    margin-top: 0.5em;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1em;
    box-sizing: border-box;
}

/* QR 码展示区域 */
#qr-code {
    margin: 1.5em 0;
    text-align: center;
    border-radius: 8px;
    overflow: hidden;
}

/* 按钮样式 */
button {
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
    padding: 1em;
    font-size: 1.1em;
    border-radius: 6px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

button:hover {
    background-color: #45a049;
    transform: scale(1.05);
}

/* 头部和脚部 */
footer {
    text-align: center;
    margin-top: 2em;
    font-size: 0.9em;
    color: #666;
}

/* 折叠框样式 */
.accordion {
    background-color: #4CAF50;
    color: white;
    padding: 1em;
    width: 100%;
    text-align: left;
    border: none;
    cursor: pointer;
    font-size: 1.2em;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.accordion:hover {
    background-color: #45a049;
}

.accordion.active {
    background-color: #45a049;
}

.panel {
    padding: 0 1.5em;
    display: none;
    background-color: #f9f9f9;
    border-left: 3px solid #4CAF50;
    border-radius: 0 0 6px 6px;
}

/* 自定义滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-thumb {
    background-color: #4CAF50;
    border-radius: 4px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

/* 保持现有样式，并添加样式来美化新页面 */
#info-section {
    margin: 2em;
    background: #fff;
    padding: 1em;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #333;
}

p {
    color: #555;
}

a {
    color: #4CAF50;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}