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

body {
    background-color: #f5f5f5;
    color: #333;
    font-family: "Microsoft YaHei", sans-serif;
}

.container {
    width: 100%;
    min-height: 100vh;
}

.header {
    background-color: #fff;
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.header h1 {
    margin: 0;
    color: #333;
    font-size: 28px;
    font-weight: bold;
}

.top-nav {
    background-color: #fff;
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.top-nav ul {
    display: flex;
    justify-content: space-around;
    list-style: none;
    max-width: 1200px;
    margin: 0 auto;
}

.top-nav li a {
    color: #333;
    text-decoration: none;
    font-size: 18px;
    padding: 10px 20px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.top-nav li a:hover {
    background-color: #1890ff;
    color: #fff;
}

.content {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    /* margin: 0 20px; */
    /* padding: 20px; */
    width: 100%;
}

.section {
    display: none;
    width: 100%;
    height: 100%;
}

.section.active {
    display: block;
}

iframe {
    border: none;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    max-width: 100%;
    margin: 0 auto;
    display: block;
    transition: display 0.3s ease;
}

#scatterFrame {
    min-height: 600px;
}

.chart-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    width: 100%;
    gap: 20px;
    padding: 20px;
    box-sizing: border-box;
}

.chart-container {
    display: flex;
    display: none;
}

#mapFrame,
#yearlyFrame,
#scatterFrame,
#priceFrame {
    display: none;
}

/* 保持其他 iframe 的共同样式不变 */
iframe {
    border: none;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    max-width: 100%;
    margin: 0 auto;
    display: block;
    transition: display 0.3s ease;
}

.chart-frame {
    border: none;  /* 替代 frameborder="0" */
    width: 100%;
    height: 600px;
}

.half-width {
    width: 50%;
}

.map-frame {
    height: 800px;
}

.full-height {
    height: 100vh;
}