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

body {
    font-family: 'Noto Sans SC', sans-serif;
    background: linear-gradient(135deg, #f0f5ff 0%, #e6f0ff 100%);
    color: #333;
    line-height: 1.6;
    padding: 20px;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

header {
    background: linear-gradient(90deg, #1a6dba 0%, #008299 100%);
    color: white;
    padding: 30px 40px;
    text-align: center;
    position: relative;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

.logo {
    position: absolute;
    top: 20px;
    left: 30px;
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.content {
    display: flex;
    padding: 30px;
    gap: 30px;
}

.visualization-section {
    flex: 6;
    background: #f8fbfe;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.info-section {
    flex: 4;
    background: #f8fbfe;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

h2 {
    color: #1a6dba;
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e3f0ff;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

h2 i {
    font-size: 1.4rem;
    background: #e3f0ff;
    padding: 8px;
    border-radius: 50%;
}

.scale-indicator {
    background: #e3f0ff;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 25px;
    text-align: center;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* 重叠展示容器 */
.overlap-container {
    position: relative;
    height: 300px;
    margin: 40px auto;
    max-width: 800px;
    border: 2px dashed #1a6dba;
    border-radius: 8px;
    background: repeating-linear-gradient(
        45deg, 
        #f0f8ff 0px, 
        #f0f8ff 10px, 
        #e6f2ff 10px, 
        #e6f2ff 20px
    );
}

.paper-layer {
    position: absolute;
    top: 20px;
    left: 20px;
    border: 2px solid;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    text-shadow: 0 1px 3px rgba(0,0,0,0.8);
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.paper-layer:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
    z-index: 1000 !important;
}

.paper-layer.hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
    z-index: 1000 !important;
}

.size-label {
    background: rgba(0, 0, 0, 0.6);
    padding: 8px 15px;
    border-radius: 6px;
    font-size: 1.1rem;
    text-align: bottom;
}

<!-- .layer-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 20px 0;
    flex-wrap: wrap;
} -->

.layer-controls-weida {
    border: 2px dashed #1a6dba;
    background-color: rgba(178, 255, 255, 0.2); /* 半透明青色，透明度20% */
    border-radius: 20px; /* 圆角20px */
    padding: 10px; /* 添加一些内边距让按钮看起来更舒适 */
    display: flex; /* 让按钮水平排列 */
    flex-wrap: wrap; /* 如果空间不足可以换行 */
    gap: 8px; /* 按钮之间的间距 */
    margin: 10px 0; /* 上下外边距 */
}

.layer-controls-weida p {
    border: 2px dashed #1a6dba;
    padding: 8px 12px;
    border-radius: 12px 12px 12px 12px;
    margin: 0 0 4px 0;
    color: #1a6dba;
    font-weight: bold;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

.layer-controls-qingfeng {
    border: 2px dashed #f5bd4d;
    background-color: rgba(255, 237, 178, 0.2); /* 半透明青色，透明度20% */
    border-radius: 20px; /* 圆角20px */
    padding: 10px; /* 添加一些内边距让按钮看起来更舒适 */
    display: flex; /* 让按钮水平排列 */
    flex-wrap: wrap; /* 如果空间不足可以换行 */
    gap: 8px; /* 按钮之间的间距 */

}

.inside {
    border: 2px dashed #f5bd4d;
    background-color: rgba(255, 237, 178, 0.2); /* 半透明青色，透明度20% */
    border-radius: 10px; /* 圆角20px */
    padding: 8px; /* 添加一些内边距让按钮看起来更舒适 */
    display: flex; /* 让按钮水平排列 */
    flex-wrap: wrap; /* 如果空间不足可以换行 */
    flex: auto;
    gap: 8px; /* 按钮之间的间距 */
}

.layer-controls-qingfeng .inside{
    width: 49%;
}

.layer-controls-qingfeng p {
    border: 2px dashed #feca62;
    padding: 8px 12px;
    border-radius: 12px 12px 12px 12px;
    margin: 0 0 4px 0;
    color: #f1b63e;
    font-weight: bold;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

.layer-controls-qingfeng .layer-btn{
    padding: 10px 15px;
    background: #f3b02bda;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 80px;
    justify-content: center;
}

.layer-controls-qingfeng .product-title {
    color: #f1b63e;
    font-weight: bold;
    text-align: center;
    width: 100%;
}

.layer-btn {
    padding: 10px 15px;
    background: #1a6dba;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 80px;
    justify-content: center;
}

.layer-btn.active {
    background: #03b603ad;
    box-shadow: 0 0 0 2px #fff, 0 0 0 4px #03b603ad;
}

.layer-btn i {
    font-size: 1.1rem;
}



/* 对比面板样式 */
.comparison-panel {
    background: white;
    border-radius: 10px;
    padding: 25px;
    margin-top: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-top: 4px solid #1a6dba;
}

.comparison-header {
    text-align: center;
    margin-bottom: 25px;
    color: #1a6dba;
    font-size: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.size-comparison {
    display: flex;
    justify-content: space-around;
    margin-bottom: 25px;
}

.size-card {
    text-align: center;
    padding: 10px;
    border-radius: 10px;
    background: #e3f0ff;
    width: 45%;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.size-card h3 {
    margin-bottom: 15px;
    color: #1a6dba;
}

.size-card .dimensions {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: #1a6dba;
    color: white;
    padding: 8px;
    border-radius: 6px;
}

.size-card .area {
    font-size: 0.95rem;
    color: #555;
}

.difference-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
}

.difference-card {
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    width: 100%;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.difference-card h3 {
    margin-bottom: 15px;
    color: #d35400;
}

.difference-values {
    display: flex;
    justify-content: space-around;
    margin-top: 15px;
}

.diff-value {
    text-align: center;
}

.diff-value .number {
    font-size: 1.8rem;
    font-weight: 700;
    color: #e17055;
    margin-bottom: 5px;
}

.diff-value .label {
    font-size: 0.9rem;
    color: #d35400;
}

/* 信息卡片样式 */
.info-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #1a6dba;
}

.info-card h3 {
    color: #1a6dba;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-card p {
    margin-bottom: 10px;
    padding-left: 10px;
    border-left: 3px solid #e3f0ff;
}

.info-card ul {
    padding-left: 25px;
    margin: 15px 0;
}

.info-card li {
    margin-bottom: 8px;
}

.tip-card {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
}

.tip-card h3 {
    color: #0d47a1;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

footer {
    text-align: center;
    padding: 25px;
    background: #07273d;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

@media (max-width: 900px) {
    .content {
        flex-direction: column;
    }
    
    .size-comparison {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .size-card {
        width: 100%;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .layer-controls {
        display: flex;
        flex-direction: column; /* 垂直排列 */
        align-items: center;   /* 水平居中 */
    }
    
    .layer-btn {
        width: 48%;
    }
    
    @media (max-width: 400px) {
        h1 {
            font-size: 1.5rem;
        }
        
        .layer-controls {
            display: flex;
            flex-direction: column; /* 垂直排列 */
            align-items: center;   /* 水平居中 */
        }
        
        .layer-btn {
            width: 100%;
        }
    }

    
}


.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: #555;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -60px;
    opacity: 0;
    transition: opacity 0.3s;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}