/* ========== 完全复用DNS说明书的全局样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

body {
    background-color: #f5f7fa;
    padding: 0;
    min-width: 1200px; /* 电脑端最小宽度 */
}

/* ========== 完全复用DNS说明书的导航栏样式 ========== */
.navbar {
    background-color: #28a745; /* DNS文档的绿色导航栏 */
    color: #fff;
    padding: 15px 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 999;
}
.navbar-container {
    max-width: 1920px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.navbar-logo {
    font-size: 20px; /* DNS文档的logo字体大小 */
    font-weight: 700;
}
.navbar-menu {
    display: flex;
    gap: 30px; /* DNS文档的菜单间距 */
}
.navbar-menu a {
    color: #fff;
    text-decoration: none;
    font-size: 14px; /* DNS文档的菜单字体大小 */
    transition: opacity 0.3s;
}
.navbar-menu a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* ========== 完全复用DNS说明书的页脚样式 ========== */
.footer {
    background-color: #333; /* DNS文档的黑色页脚 */
    color: #ccc;
    padding: 20px 15px;
    margin-top: 40px;
}
.footer-container {
    max-width: 1920px;
    margin: 0 auto;
}
.footer-copyright {
    text-align: center;
    font-size: 12px; /* DNS文档的页脚字体大小 */
    color: #999;
    line-height: 1.6;
}

/* ========== IP查询页面容器样式（适配DNS风格） ========== */
.page-container {
    width: 98%;
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 15px;
}
.container-inner {
    background: #fff;
    border-radius: 12px; /* 匹配DNS文档的容器圆角 */
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    padding: 30px;
    margin-top: 20px;
    margin-bottom: 20px;
}

/* ========== 模块样式（适配DNS风格） ========== */
.module {
    background: #fff;
    padding: 25px; /* 匹配DNS文档的内边距 */
    border-radius: 8px; /* 匹配DNS文档的模块圆角 */
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 25px; /* 匹配DNS文档的模块间距 */
}
.title-btn-container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}
.title-btn-container h2 {
    margin: 0;
    color: #2c3e50;
    font-size: 20px; /* 匹配DNS文档的标题字体大小 */
    padding-left: 10px;
    border-left: 4px solid #28a745; /* 匹配DNS文档的绿色主题 */
}
.api-doc-btn, .card-link-btn {
    display: inline-block;
    padding: 10px 20px; /* 匹配DNS文档的按钮内边距 */
    background: #28a745; /* 匹配DNS文档的绿色主题 */
    color: #fff;
    text-decoration: none;
    border-radius: 4px; /* 匹配DNS文档的按钮圆角 */
    font-size: 14px; /* 匹配DNS文档的按钮字体大小 */
    transition: background-color 0.2s;
    margin-right: 5px;
}
.api-doc-btn:hover, .card-link-btn:hover {
    background: #218838; /* 匹配DNS文档的按钮hover色 */
}

/* ========== 表单样式（适配DNS风格） ========== */
.search-box, .search-form {
    margin: 20px 0;
}
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #2c3e50;
    font-weight: 600;
    font-size: 14px;
}
.form-control {
    width: 100%;
    padding: 10px 15px; /* 匹配DNS文档的输入框内边距 */
    border: 1px solid #e5e9f0; /* 匹配DNS文档的输入框边框 */
    border-radius: 4px;
    font-size: 14px;
    color: #333;
}
.form-control:focus {
    outline: none;
    border-color: #28a745; /* 匹配DNS文档的输入框聚焦色 */
    box-shadow: 0 0 0 2px rgba(40, 167, 69, 0.2);
}
.btn {
    display: inline-block;
    padding: 10px 20px; /* 匹配DNS文档的按钮内边距 */
    background-color: #28a745; /* 匹配DNS文档的绿色主题 */
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}
.btn:hover {
    background-color: #218838; /* 匹配DNS文档的按钮hover色 */
}

/* ========== 提示信息样式（适配DNS风格） ========== */
.result-area {
    margin-top: 25px;
}
.result-area h3 {
    font-size: 16px;
    color: #28a745; /* 匹配DNS文档的绿色主题 */
    margin-bottom: 15px;
    font-weight: 600;
}
.ip-card {
    background: #f8f9fa; /* 匹配DNS文档的浅色背景 */
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e5e9f0;
}
.ip-address {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #2c3e50;
}
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 20px;
}
.info-item {
    padding: 10px;
    background: #fff;
    border-radius: 6px;
    border: 1px solid #e5e9f0;
}
.info-label {
    font-weight: 600;
    color: #2c3e50;
    margin-right: 5px;
}
.info-value {
    color: #555;
}

/* ========== 结果表格样式 ========== */
.result-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.result-table th, .result-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}
.result-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
}
.result-table tr:last-child td {
    border-bottom: none;
}

/* ========== 信息区域样式 ========== */
.info-section {
    background: #e8f4f8;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 4px solid #28a745;
}
.info-section ul {
    padding-left: 20px;
    margin-bottom: 10px;
}
.info-section li {
    margin: 8px 0;
    color: #333;
}
.info-section p {
    color: #64748b;
    line-height: 1.6;
}

/* ========== 历史记录样式（关键修改：适配目标样式） ========== */
.history-display-area {
    background: #f8f9fa; /* 匹配DNS文档的浅色背景 */
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e5e9f0;
    margin-top: 20px;
}
.history-display-area h4 {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}
.history-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 150px; /* 电脑端固定高度 */
    overflow-y: auto;   /* 电脑端垂直滚动 */
    padding-right: 5px; /* 电脑端滚动条内边距 */
}
.history-item {
    padding: 6px 12px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 13px;
    color: #333;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    text-decoration: none;
}
.history-item:hover {
    background: #e8f4f8;
    border-color: #28a745;
    color: #28a745;
}
.history-ip {
    font-weight: 600;
    color: #28a745; /* 匹配DNS文档的绿色主题 */
}
.history-location {
    color: #666;
    margin-left: 5px;
}
.history-empty {
    color: #999;
    font-size: 13px;
    padding: 10px 0;
}

/* ========== 响应式适配（关键修改：手机端历史记录固定高度+滚动） ========== */
@media only screen and (max-width: 767px) {
    body {
        min-width: unset;
        width: 100%;
        overflow-x: hidden;
    }
    .page-container, .container {
        width: 100%;
        padding: 0 10px;
    }
    .container-inner {
        padding: 15px;
        margin: 10px auto;
        border-radius: 8px;
    }
    .navbar {
        padding: 10px 15px;
    }
    .navbar-container {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    .navbar-menu {
        gap: 10px;
        flex-wrap: wrap;
        width: 100%;
    }
    .navbar-menu a {
        font-size: 12px;
    }
    .module {
        padding: 15px;
        margin-bottom: 15px;
    }
    .title-btn-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .card-link-btn {
        width: 100%;
        margin-bottom: 5px;
        text-align: center;
    }
    .info-grid {
        grid-template-columns: 1fr;
    }
    .btn {
        width: 100%;
        padding: 12px 20px;
        font-size: 15px;
    }
    
    /* ========== 核心修改：手机端历史记录样式 ========== */
    .history-items {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        max-height: 150px; /* 固定高度 */
        overflow-y: auto;   /* 垂直滚动 */
        padding-right: 5px; /* 滚动条内边距 */
        flex-direction: row; /* 保持横向排列 */
    }
    .history-item {
        padding: 6px 12px;
        background: #fff;
        border: 1px solid #ddd;
        border-radius: 4px;
        font-size: 13px;
        color: #333;
        cursor: pointer;
        transition: all 0.2s;
        white-space: nowrap;
        text-decoration: none;
    }
    
    /* 适配手机端表格样式 */
    .result-table th, .result-table td {
        padding: 10px 12px;
        font-size: 12px;
    }
    
    /* 适配手机端信息区域 */
    .info-section {
        padding: 12px;
    }
    .info-section li {
        font-size: 13px;
    }
    .info-section p {
        font-size: 13px;
    }
}