/* 简单重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    padding: 20px;
    max-width: 600px;
    margin: auto;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

/* 选项卡容器 */
.tab-container {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    background-color: #f8f8f8;
    padding: 5px;
    border-radius: 5px;
}

/* 选项卡按钮基础样式 */
.tab-button {
    padding: 10px 20px;
    margin: 0 5px;
    background-color: #4A90E2; /* 统一主色调 */
    border: none;
    border-radius: 5px 5px 0 0;
    cursor: pointer;
    transition: all 0.3s ease;
    color: white;
    font-weight: bold;
}

/* 悬停状态 */
.tab-button:hover {
    background-color: #357ABD; /* 较深的蓝色 */
    transform: translateY(-2px);
}

/* 激活状态 */
.tab-button.active {
    background-color: #2E65A0; /* 深蓝色 */
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.tab-content {
    display: none;
    padding: 20px;
    border: 1px solid #aaa;
    border-top: none;
}

.tab-content.active {
    display: block;
}

input[type="text"],
input[type="number"] {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    display: inline-block;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 14px 20px;
    margin: 8px 0;
    border: none;
    cursor: pointer;
    width: 100%;
}

button:hover {
    background-color: #45a049;
}

.result {
    margin-top: 20px;
    padding: 15px;
    background-color: #f7f7f7;
    border: 1px solid #e0e0e0;
}

.calculator-mode {
    margin-bottom: 20px;
}

/* 说明栏目样式 */
#description-section {
    margin-top: 20px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #f9f9f9;
}

#description-section ul {
    list-style-type: disc;
    padding-left: 20px;
}

#description-section table {
    width: 100%;
    border-collapse: collapse;
}

#description-section th, #description-section td {
    border: 1px solid #ccc;
    padding: 8px;
    text-align: center;
}

/* 移动端适配 */
@media (max-width: 600px) {
    .tab-container {
        flex-direction: column;
    }
    .tab-button {
        width: 100%;
        text-align: center;
        margin: 3px 0;
    }
}