/* 全局样式重置 + 基础变量定义（统一仅声明一次） */
		* {
		    margin: 0;
		    padding: 0;
		    box-sizing: border-box;
		    font-family: 'Noto Sans SC', sans-serif;
		}
		
		:root {
		    --primary-color: #1E40AF; /* 主色调-深蓝 */
		    --secondary-color: #5A8DFF; /* 辅助色-浅蓝 */
		    --light-gray: #F5F7FA; /* 浅灰背景 */
		    --dark-gray: #333333; /* 深灰文字 */
		    --medium-gray: #666666; /* 中灰文字 */
		    --white: #FFFFFF; /* 白色 */
		    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08); /* 阴影效果 */
		    --radius: 8px; /* 圆角 */
		    --transition: all 0.3s ease; /* 过渡效果 */
		    --border-color: #E5E7EB; /* 边框色 */
		    --warning-color: #F59E0B; /* 警告色 */
		    /* 新增：BMI计算器专用颜色变量 */
		    --bmi-normal: #10B981; /* 正常范围色 */
		    --bmi-under: #3B82F6; /* 偏瘦色 */
		    --bmi-over: #F59E0B; /* 超重色 */
		    --bmi-obese: #EF4444; /* 肥胖色 */
		}
		
		body {
		    background-color: var(--light-gray);
		    color: var(--dark-gray);
		    line-height: 1.6;
		}
		
		a {
		    text-decoration: none;
		    color: inherit;
		    transition: var(--transition);
		}
		
		.container {
		    max-width: 1200px;
		    margin: 0 auto;
		    padding: 0 20px;
		}
		
		/* 顶部导航栏（统一所有页面样式） */
		.header {
		    background-color: var(--white);
		    box-shadow: var(--shadow);
		    position: sticky;
		    top: 0;
		    z-index: 999;
		}
		
		.nav {
		    display: flex;
		    justify-content: space-between;
		    align-items: center;
		    height: 70px;
		}
		
		.logo {
		    display: flex;
		    align-items: center;
		    gap: 10px;
		    font-size: 22px;
		    font-weight: 700;
		    color: var(--primary-color);
		}
		
		.logo i {
		    font-size: 26px;
		}
		
		.nav-menu {
		    display: flex;
		    gap: 30px;
		}
		
		.nav-item {
		    font-size: 16px;
		    font-weight: 500;
		    color: var(--dark-gray);
		    position: relative;
		}
		
		.nav-item:hover {
		    color: var(--primary-color);
		}
		
		.nav-item::after {
		    content: '';
		    position: absolute;
		    bottom: -5px;
		    left: 0;
		    width: 0;
		    height: 2px;
		    background-color: var(--primary-color);
		    transition: var(--transition);
		}
		
		.nav-item:hover::after {
		    width: 100%;
		}
		
		.mobile-menu {
		    display: none;
		    font-size: 24px;
		    cursor: pointer;
		}
		
		/* 搜索框样式（统一所有页面，含实时搜索/下拉建议） */
		.search-box {
		    display: flex;
		    align-items: center;
		    position: relative;
		    width: 300px;
		}
		
		.search-input {
		    width: 100%;
		    padding: 8px 15px 8px 40px;
		    border: 1px solid #ddd;
		    border-radius: 20px;
		    outline: none;
		    font-size: 14px;
		    transition: var(--transition);
		}
		
		.search-input:focus {
		    border-color: var(--secondary-color);
		    box-shadow: 0 0 0 2px rgba(90, 141, 255, 0.2);
		}
		
		.search-box i {
		    position: absolute;
		    left: 15px;
		    color: var(--medium-gray);
		    font-size: 16px;
		}
		
		/* 搜索建议下拉框 */
		.search-suggest {
		    position: absolute;
		    top: 45px;
		    left: 0;
		    width: 100%;
		    background-color: var(--white);
		    border-radius: var(--radius);
		    box-shadow: var(--shadow);
		    padding: 10px 0;
		    display: none;
		    z-index: 999;
		}
		
		.search-suggest.show {
		    display: block;
		}
		
		.suggest-item {
		    padding: 8px 15px;
		    font-size: 14px;
		    cursor: pointer;
		    display: flex;
		    align-items: center;
		    gap: 10px;
		}
		
		.suggest-item:hover {
		    background-color: var(--light-gray);
		    color: var(--primary-color);
		}
		
		/* 首页专属样式 */
		.hero-section {
		    padding: 60px 0;
		    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
		    color: var(--white);
		    border-radius: 0 0 var(--radius) var(--radius);
		    margin-bottom: 50px;
		}
		
		.hero-content {
		    display: flex;
		    justify-content: space-between;
		    align-items: center;
		    gap: 40px;
		}
		
		.hero-text {
		    flex: 1;
		}
		
		.hero-title {
		    font-size: 36px;
		    font-weight: 700;
		    margin-bottom: 20px;
		    line-height: 1.3;
		}
		
		.hero-desc {
		    font-size: 18px;
		    margin-bottom: 30px;
		    opacity: 0.9;
		}
		
		.hero-btns {
		    display: flex;
		    gap: 20px;
		}
		
		.btn {
		    padding: 12px 24px;
		    border-radius: var(--radius);
		    font-size: 16px;
		    font-weight: 500;
		    cursor: pointer;
		    transition: var(--transition);
		    border: none;
		}
		
		.btn-primary {
		    background-color: var(--white);
		    color: var(--primary-color);
		}
		
		.btn-primary:hover {
		    background-color: #f0f4ff;
		    transform: translateY(-2px);
		    box-shadow: var(--shadow);
		}
		
		.btn-outline {
		    background-color: transparent;
		    color: var(--white);
		    border: 2px solid var(--white);
		}
		
		.btn-outline:hover {
		    background-color: rgba(255, 255, 255, 0.1);
		    transform: translateY(-2px);
		}
		
		.hero-tools {
		    flex: 0 0 350px;
		    background-color: var(--white);
		    padding: 20px;
		    border-radius: var(--radius);
		    box-shadow: var(--shadow);
		}
		
		.hero-tools-title {
		    font-size: 18px;
		    font-weight: 700;
		    color: var(--primary-color);
		    margin-bottom: 15px;
		    display: flex;
		    align-items: center;
		    gap: 8px;
		}
		
		.tool-list {
		    display: grid;
		    grid-template-columns: 1fr 1fr;
		    gap: 10px;
		}
		
		.tool-item {
		    padding: 10px;
		    background-color: #5af79f;
		    border-radius: var(--radius);
		    text-align: center;
		    transition: var(--transition);
		}
		
		.tool-item:hover {
		    background-color: var(--secondary-color);
		    color: var(--white);
		    transform: translateY(-2px);
		}
		
		.tool-item i {
		    font-size: 20px;
		    margin-bottom: 5px;
		    display: block;
		}
		
		/* 工具功能区（通用，适配首页/详情页） */
		.tools-section {
		    margin-bottom: 60px;
		}
		
		.section-title {
		    font-size: 28px;
		    font-weight: 700;
		    color: var(--primary-color);
		    margin-bottom: 30px;
		    display: flex;
		    align-items: center;
		    gap: 10px;
		    position: relative;
		    padding-bottom: 15px;
		}
		
		.section-title::after {
		    content: '';
		    position: absolute;
		    bottom: 0;
		    left: 0;
		    width: 60px;
		    height: 3px;
		    background-color: var(--secondary-color);
		}
		
		.section-title i {
		    font-size: 24px;
		}
		
		.tools-grid {
		    display: grid;
		    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
		    gap: 20px;
		}
		
		/* 首页工具卡片 */
		.tool-card {
		    background-color: var(--white);
		    border-radius: var(--radius);
		    box-shadow: var(--shadow);
		    padding: 25px;
		    transition: var(--transition);
		    border-top: 4px solid var(--primary-color);
		}
		
		.tool-card:hover {
		    transform: translateY(-5px);
		    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
		}
		
		.tool-card-header {
		    display: flex;
		    align-items: center;
		    gap: 15px;
		    margin-bottom: 15px;
		}
		
		.tool-card-icon {
		    width: 50px;
		    height: 50px;
		    background-color: rgba(30, 64, 175, 0.1);
		    border-radius: 50%;
		    display: flex;
		    align-items: center;
		    justify-content: center;
		    color: var(--primary-color);
		    font-size: 24px;
		}
		
		.tool-card-title {
		    font-size: 18px;
		    font-weight: 700;
		    color: var(--dark-gray);
		}
		
		.tool-card-desc {
		    font-size: 14px;
		    color: var(--medium-gray);
		    margin-bottom: 20px;
		    line-height: 1.5;
		}
		
		.tool-card-btn {
		    display: inline-block;
		    padding: 8px 16px;
		    background-color: var(--primary-color);
		    color: var(--white);
		    border-radius: var(--radius);
		    font-size: 14px;
		    font-weight: 500;
		    transition: var(--transition);
		}
		
		.tool-card-btn:hover {
		    background-color: #153085;
		    transform: translateY(-2px);
		}
		
		/* 实用内容区（首页） */
		.content-section {
		    margin-bottom: 60px;
		}
		
		.content-tabs {
		    display: flex;
		    gap: 10px;
		    margin-bottom: 20px;
		    overflow-x: auto;
		    padding-bottom: 10px;
		}
		
		.content-tab {
		    padding: 8px 20px;
		    background-color: var(--white);
		    border-radius: 20px;
		    font-size: 16px;
		    font-weight: 500;
		    cursor: pointer;
		    transition: var(--transition);
		    white-space: nowrap;
		    border: 1px solid transparent;
		}
		
		.content-tab.active {
		    background-color: var(--primary-color);
		    color: var(--white);
		}
		
		.content-tab:hover:not(.active) {
		    border-color: var(--secondary-color);
		    color: var(--primary-color);
		}
		
		.content-grid {
		    display: grid;
		    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
		    gap: 25px;
		}
		
		.content-card {
		    background-color: var(--white);
		    border-radius: var(--radius);
		    box-shadow: var(--shadow);
		    overflow: hidden;
		    transition: var(--transition);
		}
		
		.content-card:hover {
		    transform: translateY(-5px);
		    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
		}
		
		.content-img {
		    width: 100%;
		    height: 180px;
		    object-fit: cover;
		    transition: var(--transition);
		}
		
		.content-card:hover .content-img {
		    transform: scale(1.05);
		}
		
		.content-body {
		    padding: 20px;
		}
		
		.content-title {
		    font-size: 18px;
		    font-weight: 700;
		    margin-bottom: 10px;
		    color: var(--dark-gray);
		    display: -webkit-box;
		    -webkit-line-clamp: 2;
		    -webkit-box-orient: vertical;
		    overflow: hidden;
		}
		
		.content-desc {
		    font-size: 14px;
		    color: var(--medium-gray);
		    margin-bottom: 15px;
		    display: -webkit-box;
		    -webkit-line-clamp: 3;
		    -webkit-box-orient: vertical;
		    overflow: hidden;
		}
		
		.content-link {
		    display: inline-block;
		    font-size: 14px;
		    color: var(--primary-color);
		    font-weight: 500;
		    display: flex;
		    align-items: center;
		    gap: 5px;
		}
		
		.content-link:hover {
		    color: #153085;
		}
		
		.content-link i {
		    transition: var(--transition);
		}
		
		.content-link:hover i {
		    transform: translateX(3px);
		}
		
		/* 长尾关键词/友情链接区（首页） */
		.keywords-section {
		    background-color: var(--white);
		    padding: 40px 0;
		    margin-bottom: 60px;
		    border-radius: var(--radius);
		    box-shadow: var(--shadow);
		}
		
		.keywords-title {
		    font-size: 20px;
		    font-weight: 700;
		    color: var(--primary-color);
		    margin-bottom: 20px;
		    display: flex;
		    align-items: center;
		    gap: 8px;
		}
		
		.keywords-list {
		    display: flex;
		    flex-wrap: wrap;
		    gap: 12px;
		}
		
		.keyword-item {
		    padding: 8px 16px;
		    background-color: var(--light-gray);
		    border-radius: 20px;
		    font-size: 14px;
		    color: var(--medium-gray);
		    transition: var(--transition);
		}
		
		.keyword-item:hover {
		    background-color: var(--secondary-color);
		    color: var(--white);
		    transform: translateY(-2px);
		}
		
		/* 详情页专属样式 */
		/* 顶部通栏banner */
		.banner {
		    width: 100%;
		    height: 180px;
		    background: linear-gradient(rgba(30, 64, 175, 0.8), rgba(30, 64, 175, 0.9)), 
		                url('https://picsum.photos/seed/banner/1920/400') center/cover no-repeat;
		    display: flex;
		    align-items: center;
		    justify-content: center;
		    color: var(--white);
		    margin-bottom: 20px;
		}
		
		.banner-title {
		    font-size: 36px;
		    font-weight: 700;
		    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
		}
		
		/* 面包屑导航 */
		.breadcrumb {
		    padding: 20px 0;
		    font-size: 14px;
		    color: var(--medium-gray);
		}
		
		.breadcrumb a {
		    color: var(--primary-color);
		}
		
		.breadcrumb a:hover {
		    color: var(--secondary-color);
		    text-decoration: underline;
		}
		
		.breadcrumb span {
		    margin: 0 8px;
		}
		
		/* 详情页主体布局 */
		.main-content {
		    margin: 20px 0 60px;
		}
		
		.article-area {
		    width: 100%;
		}
		
		/* 文章头部信息 */
		.article-header {
		    background-color: var(--white);
		    border-radius: var(--radius);
		    padding: 30px;
		    box-shadow: var(--shadow);
		    margin-bottom: 20px;
		}
		
		.article-title {
		    font-size: 28px;
		    font-weight: 700;
		    color: var(--dark-gray);
		    line-height: 1.4;
		    margin-bottom: 20px;
		}
		
		.article-meta {
		    display: flex;
		    flex-wrap: wrap;
		    gap: 20px;
		    font-size: 14px;
		    color: #999;
		    padding-bottom: 20px;
		    border-bottom: 1px solid var(--border-color);
		    margin-bottom: 20px;
		}
		
		.meta-item {
		    display: flex;
		    align-items: center;
		    gap: 8px;
		}
		
		.article-tags {
		    display: flex;
		    gap: 10px;
		    flex-wrap: wrap;
		}
		
		.article-tag {
		    padding: 5px 12px;
		    background-color: rgba(30, 64, 175, 0.1);
		    color: var(--primary-color);
		    border-radius: 20px;
		    font-size: 13px;
		}
		
		/* 文章内容区 */
		.article-content {
		    background-color: var(--white);
		    border-radius: var(--radius);
		    padding: 30px;
		    box-shadow: var(--shadow);
		    font-size: 16px;
		    color: var(--dark-gray);
		}
		
		.article-content .content-section {
		    margin-bottom: 30px;
		}
		
		.article-content .section-title {
		    font-size: 22px;
		    font-weight: 700;
		    color: var(--primary-color);
		    margin: 30px 0 15px;
		    padding-bottom: 10px;
		    border-bottom: 2px solid var(--light-gray);
		}
		
		.article-content .section-title::after {
		    display: none; /* 覆盖首页section-title的下划线样式 */
		}
		
		.article-content p {
		    margin-bottom: 15px;
		    text-align: justify;
		}
		
		.article-content img {
		    max-width: 100%;
		    border-radius: var(--radius);
		    margin: 20px 0;
		    box-shadow: var(--shadow);
		}
		
		.article-content ul, .article-content ol {
		    margin: 15px 0 15px 25px;
		}
		
		.article-content li {
		    margin-bottom: 10px;
		}
		
		/* 提示框 */
		.tip-box {
		    background-color: rgba(245, 158, 11, 0.1);
		    border-left: 4px solid var(--warning-color);
		    padding: 15px 20px;
		    border-radius: 0 var(--radius) var(--radius) 0;
		    margin: 20px 0;
		}
		
		.tip-title {
		    font-weight: 700;
		    color: var(--warning-color);
		    margin-bottom: 8px;
		}
		
		/* 详情页工具链接卡片（覆盖首页tool-card样式） */
		.article-content .tools-grid {
		    margin: 30px 0;
		}
		
		.article-content .tool-card {
		    background-color: var(--light-gray);
		    border: 1px solid transparent;
		    border-top: none;
		    text-align: center;
		    padding: 25px 20px;
		}
		
		.article-content .tool-card:hover {
		    transform: translateY(-5px);
		    box-shadow: var(--shadow);
		    border-color: var(--secondary-color);
		    background-color: var(--white);
		}
		
		.article-content .tool-card i {
		    font-size: 32px;
		    color: var(--primary-color);
		    margin-bottom: 15px;
		    display: block;
		}
		
		.article-content .tool-card a {
		    font-size: 18px;
		    font-weight: 500;
		    color: var(--dark-gray);
		    display: block;
		}
		
		.article-content .tool-card a:hover {
		    color: var(--primary-color);
		}
		
		.tool-desc {
		    font-size: 14px;
		    color: var(--medium-gray);
		    margin-top: 10px;
		    line-height: 1.5;
		}
		
		/* 文章底部操作区 */
		.article-actions {
		    background-color: var(--white);
		    border-radius: var(--radius);
		    padding: 20px 30px;
		    box-shadow: var(--shadow);
		    margin-top: 20px;
		    display: flex;
		    justify-content: space-between;
		    align-items: center;
		}
		
		.action-buttons {
		    display: flex;
		    gap: 20px;
		}
		
		.action-btn {
		    display: flex;
		    align-items: center;
		    gap: 8px;
		    font-size: 14px;
		    color: var(--medium-gray);
		    cursor: pointer;
		}
		
		.action-btn:hover {
		    color: var(--primary-color);
		}
		
		/* 上一篇下一篇导航 */
		.article-nav {
		    background-color: var(--white);
		    border-radius: var(--radius);
		    padding: 20px 30px;
		    box-shadow: var(--shadow);
		    margin-top: 20px;
		    display: flex;
		    justify-content: space-between;
		    align-items: center;
		    border-top: 2px solid var(--primary-color);
		}
		
		.nav-prev, .nav-next {
		    display: flex;
		    align-items: center;
		    gap: 8px;
		    font-size: 15px;
		}
		
		.nav-prev i, .nav-next i {
		    color: var(--primary-color);
		    font-size: 18px;
		}
		
		.nav-prev a:hover, .nav-next a:hover {
		    color: var(--primary-color);
		    text-decoration: underline;
		}
		
		/* 底部区域（统一所有页面） */
		.footer {
		    background-color: var(--primary-color);
		    color: var(--white);
		    padding: 60px 0 30px;
		    margin-top: 40px;
		}
		
		.footer-top {
		    display: grid;
		    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
		    gap: 40px;
		    margin-bottom: 40px;
		}
		
		.footer-col-title {
		    font-size: 18px;
		    font-weight: 700;
		    margin-bottom: 20px;
		    position: relative;
		    padding-bottom: 10px;
		}
		
		.footer-col-title::after {
		    content: '';
		    position: absolute;
		    bottom: 0;
		    left: 0;
		    width: 40px;
		    height: 2px;
		    background-color: var(--secondary-color);
		}
		
		.footer-links {
		    display: flex;
		    flex-direction: column;
		    gap: 12px;
		}
		
		.footer-link {
		    font-size: 14px;
		    opacity: 0.8;
		    display: flex;
		    align-items: center;
		    gap: 8px;
		}
		
		.footer-link:hover {
		    opacity: 1;
		    transform: translateX(5px);
		}
		
		.footer-bottom {
		    text-align: center;
		    padding-top: 30px;
		    border-top: 1px solid rgba(255, 255, 255, 0.1);
		    font-size: 14px;
		    opacity: 0.7;
		}
		
		/* 底部长尾关键词区 */
		.footer-keywords {
		    margin-top: 30px;
		    padding-top: 20px;
		    border-top: 1px solid rgba(255, 255, 255, 0.1);
		}
		
		.footer-keywords-title {
		    font-size: 16px;
		    font-weight: 500;
		    margin-bottom: 15px;
		}
		
		.footer-keywords .keyword-item {
		    background-color: rgba(255, 255, 255, 0.1);
		    color: var(--white);
		    opacity: 0.8;
		}
		
		.footer-keywords .keyword-item:hover {
		    opacity: 1;
		    background-color: var(--secondary-color);
		    transform: translateY(-2px);
		}
		
		/* 年龄计算器核心样式 */
		.age-calculator {
		    background: #f8f9fa;
		    border-radius: 10px;
		    padding: 25px;
		    margin-bottom: 20px;
		}
		
		.age-title {
		    font-size: 18px;
		    color: #333;
		    margin-bottom: 20px;
		    display: flex;
		    align-items: center;
		    gap: 8px;
		    font-weight: 500;
		}
		
		.age-form {
		    display: flex;
		    flex-wrap: wrap;
		    gap: 20px;
		    margin-bottom: 25px;
		}
		
		.age-input-group {
		    flex: 1;
		    min-width: 200px;
		}
		
		.age-label {
		    display: block;
		    margin-bottom: 8px;
		    font-size: 14px;
		    color: #333;
		    font-weight: 500;
		}
		
		.age-input {
		    width: 100%;
		    padding: 12px 15px;
		    border: 1px solid #ddd;
		    border-radius: 6px;
		    font-size: 14px;
		    transition: border-color 0.3s;
		}
		
		.age-input:focus {
		    outline: none;
		    border-color: #409eff;
		    box-shadow: 0 0 0 2px rgba(64, 158, 255, 0.2);
		}
		
		.age-btn-group {
		    flex: 1;
		    min-width: 200px;
		    display: flex;
		    gap: 10px;
		    align-items: flex-end;
		}
		
		.age-calc-btn {
		    flex: 1;
		    padding: 12px;
		    background: #409eff;
		    color: #fff;
		    border: none;
		    border-radius: 6px;
		    font-size: 14px;
		    font-weight: 500;
		    cursor: pointer;
		    transition: background 0.3s;
		}
		
		.age-calc-btn:hover {
		    background: #337ecc;
		}
		
		.age-reset-btn {
		    flex: 1;
		    padding: 12px;
		    background: #666;
		    color: #fff;
		    border: none;
		    border-radius: 6px;
		    font-size: 14px;
		    font-weight: 500;
		    cursor: pointer;
		    transition: background 0.3s;
		}
		
		.age-reset-btn:hover {
		    background: #555;
		}
		
		/* 年龄计算结果样式 */
		.age-result {
		    background: #fff;
		    border-radius: 8px;
		    padding: 20px;
		    border: 1px solid #eee;
		    display: none;
		}
		
		.age-result.show {
		    display: block;
		    animation: fadeIn 0.5s ease;
		}
		
		@keyframes fadeIn {
		    from {
		        opacity: 0;
		        transform: translateY(10px);
		    }
		    to {
		        opacity: 1;
		        transform: translateY(0);
		    }
		}
		
		.age-result-value {
		    font-size: 32px;
		    font-weight: 700;
		    color: #409eff;
		    text-align: center;
		    margin-bottom: 10px;
		}
		
		.age-result-text {
		    font-size: 16px;
		    color: #333;
		    text-align: center;
		    margin-bottom: 15px;
		    font-weight: 500;
		}
		
		.age-result-desc {
		    font-size: 14px;
		    color: #666;
		    text-align: center;
		    line-height: 1.6;
		}
		
		/* 年龄详细信息样式 */
		.age-detail {
		    display: flex;
		    flex-wrap: wrap;
		    gap: 15px;
		    justify-content: center;
		    margin-top: 20px;
		    padding-top: 20px;
		    border-top: 1px dashed #eee;
		}
		
		.age-detail-item {
		    background: #f5f8ff;
		    padding: 10px 15px;
		    border-radius: 6px;
		    text-align: center;
		    min-width: 120px;
		}
		
		.age-detail-label {
		    font-size: 12px;
		    color: #666;
		    margin-bottom: 5px;
		}
		
		.age-detail-value {
		    font-size: 16px;
		    color: #333;
		    font-weight: 500;
		}
		
		/* 工具快捷导航样式 */
		.tools-quick-nav {
		    background: #f8f9fa;
		    border-radius: 10px;
		    padding: 20px;
		}
		
		.quick-nav-title {
		    font-size: 16px;
		    color: #333;
		    margin-bottom: 15px;
		    display: flex;
		    align-items: center;
		    gap: 8px;
		}
		
		.quick-nav-grid {
		    display: grid;
		    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
		    gap: 15px;
		}
		
		.quick-nav-item {
		    display: flex;
		    flex-direction: column;
		    align-items: center;
		    padding: 15px 10px;
		    background: #fff;
		    border-radius: 8px;
		    text-decoration: none;
		    color: #333;
		    transition: transform 0.3s, box-shadow 0.3s;
		    border: 1px solid #eee;
		}
		
		.quick-nav-item:hover {
		    transform: translateY(-3px);
		    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
		}
		
		.quick-nav-icon {
		    font-size: 24px;
		    color: #409eff;
		    margin-bottom: 8px;
		}
		
		.quick-nav-text {
		    font-size: 14px;
		    text-align: center;
		}
		
		
		/* ---------------------- 新增：工具快捷导航样式 ---------------------- */
		.tools-quick-nav {
		    background-color: var(--white);
		    border-radius: var(--radius);
		    padding: 30px;
		    box-shadow: var(--shadow);
		    margin-top: 40px;
		}
		
		.quick-nav-title {
		    font-size: 20px;
		    font-weight: 700;
		    color: var(--primary-color);
		    margin-bottom: 20px;
		    display: flex;
		    align-items: center;
		    gap: 10px;
		}
		
		.quick-nav-title i {
		    font-size: 22px;
		}
		
		.quick-nav-grid {
		    display: grid;
		    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
		    gap: 15px;
		}
		
		.quick-nav-item {
		    display: flex;
		    align-items: center;
		    gap: 10px;
		    padding: 12px 15px;
		    border-radius: var(--radius);
		    transition: var(--transition);
		    background-color: var(--light-gray);
		}
		
		.quick-nav-item:hover {
		    background-color: rgba(90, 141, 255, 0.1);
		    transform: translateY(-2px);
		    color: var(--primary-color);
		}
		
		.quick-nav-icon {
		    width: 36px;
		    height: 36px;
		    border-radius: 50%;
		    background-color: rgba(30, 64, 175, 0.1);
		    display: flex;
		    align-items: center;
		    justify-content: center;
		    color: var(--primary-color);
		    font-size: 18px;
		    flex-shrink: 0;
		}
		
		.quick-nav-text {
		    font-size: 15px;
		    font-weight: 500;
		}
		
		/* 自适应样式调整 */
		@media (max-width: 992px) {
		    .quick-nav-grid {
		        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
		    }
		}
		
		@media (max-width: 768px) {
		    .bmi-calculator {
		        padding: 30px 20px;
		    }
		    .bmi-title {
		        font-size: 20px;
		    }
		    .bmi-result-value {
		        font-size: 36px;
		    }
		    .quick-nav-grid {
		        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
		    }
		    .quick-nav-item {
		        padding: 10px 12px;
		    }
		    .quick-nav-icon {
		        width: 32px;
		        height: 32px;
		        font-size: 16px;
		    }
		    .quick-nav-text {
		        font-size: 14px;
		    }
		}
		
		@media (max-width: 576px) {
		    .bmi-calc-btn, .bmi-reset-btn {
		        padding: 10px 20px;
		        font-size: 14px;
		    }
		    .quick-nav-grid {
		        grid-template-columns: 1fr 1fr;
		    }
		    .tools-quick-nav {
		        padding: 20px;
		    }
		}
		
		/* 自适应样式（统一所有页面，按断点合并） */
		@media (max-width: 992px) {
		    /* 首页适配 */
		    .hero-content {
		        flex-direction: column;
		        text-align: center;
		        gap: 30px;
		    }
		    .hero-tools {
		        width: 100%;
		        max-width: 400px;
		    }
		    .hero-btns {
		        justify-content: center;
		    }
		
		    /* 详情页适配 */
		    .article-title {
		        font-size: 24px;
		    }
		    .article-content .section-title {
		        font-size: 20px;
		    }
		    .banner-title {
		        font-size: 28px;
		    }
		    .banner {
		        height: 150px;
		    }
		    .tools-grid {
		        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
		    }
		}
		
		@media (max-width: 768px) {
		    /* 通用导航适配 */
		    .nav-menu {
		        display: none;
		    }
		    .mobile-menu {
		        display: block;
		    }
		    .search-box {
		        width: 200px;
		    }
		
		    /* 首页适配 */
		    .hero-title {
		        font-size: 28px;
		    }
		    .hero-desc {
		        font-size: 16px;
		    }
		    .section-title {
		        font-size: 24px;
		    }
		    .tools-grid {
		        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
		    }
		
		    /* 详情页适配 */
		    .article-header, .article-content, .article-actions {
		        padding: 20px;
		    }
		    .article-actions {
		        flex-direction: column;
		        gap: 20px;
		        align-items: flex-start;
		    }
		    .article-nav {
		        flex-direction: column;
		        gap: 15px;
		        align-items: flex-start;
		        padding: 15px 20px;
		    }
		    .banner-title {
		        font-size: 24px;
		    }
		    .banner {
		        height: 120px;
		    }
		    .article-content .tools-grid {
		        grid-template-columns: 1fr;
		    }
		}
		   /* 响应式适配 */
        @media (max-width: 768px) {
            .article-area {
                padding: 20px 15px;
            }

            .article-title {
                font-size: 20px;
            }

            .section-title {
                font-size: 18px;
            }

            .age-calculator {
                padding: 20px 15px;
            }

            .age-form {
                gap: 15px;
            }

            .age-input-group, .age-btn-group {
                min-width: 100%;
            }

            .age-result-value {
                font-size: 28px;
            }

            .quick-nav-grid {
                grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
            }
        }

        @media (max-width: 480px) {
            .article-meta {
                flex-direction: column;
                gap: 8px;
            }

            .action-buttons {
                gap: 10px;
            }

            .action-btn {
                padding: 6px 10px;
                font-size: 13px;
            }

            .age-detail-item {
                min-width: 100%;
            }
        }
		
		@media (max-width: 576px) {
		    /* 通用导航适配 */
		    .logo span {
		        display: none;
		    }
		    .search-box {
		        width: 150px;
		    }
		
		    /* 首页适配 */
		    .hero-section {
		        padding: 40px 0;
		    }
		    .tool-list {
		        grid-template-columns: 1fr;
		    }
		    .content-grid {
		        grid-template-columns: 1fr;
		    }
		    .btn {
		        padding: 10px 20px;
		        font-size: 14px;
		    }
		
		    /* 详情页适配 */
		    .article-title {
		        font-size: 20px;
		    }
		    .article-content {
		        font-size: 15px;
		    }
		    .banner-title {
		        font-size: 20px;
		    }
		    .banner {
		        height: 100px;
		    }
		}