:root {
    /* 主色调 - 红色系 */
    --royal-primary-blue: #dc2626;
    --royal-blue-600: #b91c1c;
    --royal-blue-500: #dc2626;
    --royal-blue-400: #ef4444;
    --royal-blue-300: #f87171;
    --royal-blue-200: #fca5a5;
    --royal-blue-100: #fee2e2;
    --royal-blue-50: #fef2f2;

    /* 绿色辅助色 - 调整为暖金色系，与红色搭配 */
    --royal-accent-green: #d97706;
    --royal-green-500: #f59e0b;
    --royal-green-400: #fbbf24;
    --royal-green-300: #fcd34d;
    --royal-green-200: #fde68a;
    --royal-green-100: #fef3c7;

    /* 紫色系 - 调整为玫瑰色系 */
    --royal-purple-500: #e11d48;
    --royal-purple-400: #fb7185;
    --royal-purple-300: #fda4af;

    /* 橙色系 - 保持暖色系 */
    --royal-orange-500: #f97316;
    --royal-orange-400: #fb923c;
    --royal-orange-300: #fdba74;

    /* 红色系 - 扩展红色系 */
    --royal-red-500: #dc2626;
    --royal-red-400: #ef4444;
    --royal-red-300: #f87171;

    /* 青色系 - 调整为偏暖的青色 */
    --royal-cyan-500: #e07a5f;
    --royal-cyan-400: #f4a261;
    --royal-cyan-300: #e9c46a;

    /* 中性色 - 保持原有 */
    --royal-text-dark: #333;
    --royal-text-light: #757981;
    --royal-text-lighter: #979da9;
    --royal-bg-white: #ffffff;
    --royal-bg-light: #fef9f9;
    --royal-bg-medium: #fce9e9;
    --royal-border-light: #fee2e2;
    --royal-border-medium: #fecaca;

    /* 渐变定义 - 调整为红色系渐变 */
    --royal-gradient-primary: linear-gradient(135deg, #dc2626 0%, #f97316 100%);
    --royal-gradient-green: linear-gradient(135deg, #f97316 0%, #fbbf24 100%);
    --royal-gradient-purple: linear-gradient(135deg, #e11d48 0%, #fb7185 100%);
    --royal-gradient-orange: linear-gradient(135deg, #f97316 0%, #fbbf24 100%);
    --royal-gradient-red: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
    --royal-gradient-cyan: linear-gradient(135deg, #e07a5f 0%, #f4a261 100%);
    --royal-gradient-bg: linear-gradient(135deg, #fef2f2 0%, #fef9f9 100%);
    --royal-gradient-section: linear-gradient(135deg, rgba(220, 38, 38, 0.05) 0%, rgba(249, 115, 22, 0.03) 100%);

    /* 阴影效果 - 略微增加暖色调 */
    --royal-shadow-sm: 0 0.0625rem 0.1875rem rgba(220, 38, 38, 0.02);
    --royal-shadow: 0 0.25rem 0.375rem rgba(220, 38, 38, 0.04);
    --royal-shadow-md: 0 0.625rem 0.9375rem rgba(220, 38, 38, 0.08);
    --royal-shadow-lg: 0 1.25rem 1.5625rem rgba(220, 38, 38, 0.12);
    --royal-shadow-xl: 0 1.5625rem 3.125rem rgba(220, 38, 38, 0.2);

    /* 间距系统 - 保持不变 */
    --royal-space-xs: 0.5rem;
    --royal-space-sm: 0.875rem;
    --royal-space-default: 1.125rem;
    --royal-space-md: 1.5rem;
    --royal-space-lg: 2rem;
    --royal-space-xl: 3rem;
    --royal-space-xxl: 6rem;

    /* 过渡效果 - 保持不变 */
    --royal-transition: all 0.3s ease;
    --royal-transition-slow: all 0.5s ease;
    --royal-transition-fast: all 0.15s ease;

    /* 圆角定义 - 保持不变 */
    --royal-radius-sm: 0.175rem;
    --royal-radius: 0.5rem;
    --royal-radius-md: 0.75rem;
    --royal-radius-lg: 1rem;
    --royal-radius-xl: 1.5rem;

    /* 字体大小 - 保持不变 */
    --royal-font-xs: 0.75rem;
    --royal-font-sm: 0.875rem;
    --royal-font-default: 1rem;
    --royal-font-md: 1.125rem;
    --royal-font-lg: 1.5rem;
    --royal-font-xl: 2rem;
    --royal-font-xxl: 2.5rem;
    --royal-font-xxxl: 3.6rem;
}
/* ===== 重置和基础样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
    color: var(--royal-text-dark);
    overflow-x: hidden;
    font-size: var(--royal-font-sm);
    background: var(--royal-bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 链接样式 */
a {
    color: inherit;
    text-decoration: none;
    transition: var(--royal-transition);
    font-size: var(--royal-font-sm);
}

a:hover {
    color: var(--royal-primary-blue);
}

/* 列表样式 */
ul,
ol {
    list-style: none;
}

/* 图片样式 */
img {
    max-width: 100%;
    height: auto;
    /* display: block; */
}

/* 表格样式 */
table {
    border-collapse: collapse;
    width: 100%;
}

th,
td {
    padding: var(--royal-space-xs) var(--royal-space-sm);
    text-align: left;
    border-bottom: 1px solid var(--royal-border-light);
}

/* 表单元素样式 */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
    transition: var(--royal-transition);
}

input,
textarea,
select {
    font-family: inherit;
    outline: none;
    transition: var(--royal-transition);
}

/* ===== 布局和容器 ===== */
.royal-container {
    max-width: 90rem;
    margin: 0 auto;
    padding: 0 var(--royal-space-md);
}

.royal-container-sm {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 var(--royal-space-md);
}

/* 文字工具类 */
.royal-text-white {
    color: var(--royal-bg-white) !important;
}

.royal-text-center {
    text-align: center;
}

/* ===== 头部导航 ===== */
.royal-header {
      background: rgba(255, 255, 255, 0.45);
    backdrop-filter: none;
    box-shadow: none;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--royal-transition-slow);
}

/* 滚动后的头部样式 */
.royal-header.royal-scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    box-shadow: var(--royal-shadow);
    padding: 0.2rem 0;
    animation: royalHeaderSlideDown 0.4s ease-out;
}

@keyframes royalHeaderSlideDown {
    0% {
        transform: translateY(-10px);
        opacity: 0.8;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 导航栏布局 */
.royal-navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.royal-logo {
    display: flex;
    align-items: center;
}

.royal-logo img{
    max-height: 45px;
}

.royal-nav-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.royal-navmenu {
    display: flex;
    align-items: center;
}

/* 主导航菜单 */
.royal-nav-menu {
    display: flex;
    list-style: none;
    gap: var(--royal-space-lg);
    align-items: center;
    margin: 0;
    padding: 0;
}

.royal-nav-menu>li {
    position: relative;
    padding: 0.6rem 0;
}

.royal-nav-menu a {
    text-decoration: none;
    color: var(--royal-text-dark);
    font-weight: 500;
    border-radius: var(--royal-radius);
    transition: var(--royal-transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.royal-nav-menu a.royal-active {
    color: var(--royal-primary-blue);
    font-weight: 600;
}

/* 下拉菜单 */
.royal-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(1.25rem);
    border-radius: var(--royal-radius);
    box-shadow: var(--royal-shadow-md);
    width: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(0.625rem);
    transition: var(--royal-transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1001;
    list-style: none;
    margin: 0;
}

.royal-has-dropdown:hover .royal-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.royal-dropdown-menu li {
    margin: 0;
}

.royal-dropdown-menu a {
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    color: var(--royal-text-light);
    transition: var(--royal-transition);
    width: 100%;
    box-sizing: border-box;
}

.royal-dropdown-menu a:hover {
    color: var(--royal-primary-blue);
    background: rgba(59, 130, 246, 0.05);
}

/* 下拉箭头动画 */
.royal-has-dropdown>a .fa-chevron-down {
    transition: transform 0.3s ease;
    font-size: var(--royal-font-xs);
}

.royal-has-dropdown:hover>a .fa-chevron-down {
    transform: rotate(180deg);
}

/* 头部操作区域 */
.royal-header-actions {
    display: flex;
    gap: var(--royal-space-sm);
    align-items: center;
}

/* 移动端菜单按钮 */
.royal-mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 1.875rem;
    height: 1.3125rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.royal-mobile-menu-btn span {
    display: block;
    height: 0.1875rem;
    width: 100%;
    background-color: var(--royal-text-dark);
    border-radius: 0.1875rem;
    transition: var(--royal-transition);
}

/* ===== 按钮样式 ===== */
.royal-btn {
    padding: 0.6rem 1.5rem;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: var(--royal-transition);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: var(--royal-font-sm);
    border-radius: var(--royal-radius-sm);
}

/* 按钮光效 */
.royal-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: var(--royal-transition-slow);
}

.royal-btn:hover::before {
    left: 100%;
}

/* 默认按钮 */
.royal-btn-default {
    border: 1px solid var(--royal-text-lighter);
}

.royal-btn-default:hover {
    transform: translateY(-0.125rem);
    box-shadow: var(--royal-shadow-md), 0 0.5rem 1.5625rem rgba(30, 64, 175, 0.1);
    border-color: var(--royal-primary-blue);
}

/* 主按钮 */
.royal-btn-primary {
    background: var(--royal-gradient-primary);
    color: white;
}

.royal-btn-primary:hover {
    transform: translateY(-0.125rem);
    box-shadow: var(--royal-shadow-md), 0 0.5rem 1.5625rem rgba(30, 64, 175, 0.1);
    color: white;
}

/* 免费按钮 */
.royal-btn-free {
    background: var(--royal-gradient-green);
    color: white;
    box-shadow: var(--royal-shadow), 0 0.25rem 0.875rem rgba(5, 150, 105, 0.2); 
}

.royal-btn-free:hover {
    transform: translateY(-0.125rem);
    box-shadow: var(--royal-shadow-md), 0 0.5rem 1.5625rem rgba(5, 150, 105, 0.5);
    color: white;
}

/* 轮廓按钮 */
.royal-btn-outline {
    background: transparent;
    border: 1.5px solid var(--royal-primary-blue);
    color: var(--royal-primary-blue);
}

.royal-btn-outline:hover {
    background: var(--royal-primary-blue);
    color: white;
}

/* 小按钮 */
.royal-btn-sm {
    padding: 0.4rem 1.2rem;
    border-radius: var(--royal-radius-sm);
    font-size: var(--royal-font-sm);
}

/* ===== 卡片和组件 ===== */
.royal-card {
    background: var(--royal-bg-white);
    border-radius: var(--royal-radius-md);
    padding: var(--royal-space-lg);
    box-shadow: var(--royal-shadow);
    transition: var(--royal-transition);
    border: 1px solid var(--royal-border-light);
    position: relative;
    overflow: hidden;
}

.royal-card:hover {
    transform: translateY(-0.3125rem);
    box-shadow: var(--royal-shadow-md);
}

/* 标签样式 */
.royal-tag {
    position: absolute;
    top: 0.9375rem;
    right: 0.9375rem;
    padding: 0.4rem 0.8rem;
    border-radius: 0.9375rem;
    color: white;
    font-weight: 600;
    font-size: var(--royal-font-xs);
    text-transform: uppercase;
    z-index: 2;
}

.royal-tag-type1 {
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
}

.royal-tag-type2 {
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
}

.royal-tag-type3 {
    background: linear-gradient(135deg, #ffd93d, #ff9a3d);
}

/* ===== 页脚样式 ===== */
.royal-footer {
    background: var(--royal-bg-white);
    position: relative;
    padding: var(--royal-space-xxl) 0 0;
}

.royal-footer-content {
    display: flex;
    margin-bottom: var(--royal-space-xl);
    align-items: flex-start;
}

.royal-footer-contact {
    width: 25rem;
    flex-shrink: 0;
}

.royal-footer-contact h3,
.royal-footer-links-item h3 {
    font-weight: 600;
    font-size: var(--royal-font-default);
    padding-bottom: var(--royal-space-sm);
}

.royal-footer-contact p {
    color: var(--royal-text-light);
    margin-bottom: var(--royal-space-sm);
    padding-right: 2rem;
}

.royal-footer-contact-list li {
    padding-bottom: var(--royal-space-sm);
}

.royal-footer-links {
    display: flex;
    flex: 1;
    justify-content: space-between;
}

.royal-footer-links-item {
    min-width: 0;
}

.royal-footer-links li {
    margin-bottom: var(--royal-space-xs);
}

.royal-footer-links a {
    color: var(--royal-text-light);
}

.royal-footer-links a:hover {
    color: var(--royal-primary-blue);
}

/* 页脚底部 */
.royal-footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--royal-space-sm) 0;
    border-top: 1px solid var(--royal-border-light);
    color: var(--royal-text-light);
    flex-wrap: wrap;
    gap: var(--royal-space-md);
}

.royal-footer-bottom-fl {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--royal-space-sm);
}

.royal-footer-logo img {
    height: 1.5rem;
}

.royal-footer-bottom-links a {
    color: var(--royal-text-light);
}

.royal-footer-bottom-links a:hover {
    color: var(--royal-primary-blue);
}

/* ===== 返回顶部按钮 ===== */
.royal-back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--royal-transition);
}

.royal-back-to-top-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.royal-back-to-top-hover {
    transform: translateY(-5px);
}

.royal-back-to-top-inner {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid var(--royal-border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--royal-transition);
    box-shadow: var(--royal-shadow);
}

.royal-back-to-top-inner:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: var(--royal-shadow-md);
    transform: scale(1.05);
}

.royal-back-to-top-inner i {
    font-size: 18px;
    transition: var(--royal-transition);
}

.royal-back-to-top-inner:hover i {
    transform: translateY(-2px);
}

/* ===== 页面头部 ===== */
.royal-page-header {
    color: white;
    padding: 12rem 0 10rem;
    position: relative;
    overflow: hidden;
    background: var(--royal-gradient-primary);
}

.royal-page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.1) 50%, rgba(0, 0, 0, 0.05) 100%);
    z-index: 1;
}

.royal-page-header-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-position: center top;
    background-size: cover;
    background-repeat: no-repeat;
    z-index: 0;
    animation: backgroundBreath 8s ease-in-out infinite;
}

@keyframes backgroundBreath {
    0%, 100% {
        transform: scale(1);
        filter: brightness(1);
    }
    50% {
        transform: scale(1.08);
        filter: brightness(1.1);
    }
}

.royal-page-header-content {
    position: relative;
    z-index: 2;
    margin: 0 auto;
}

.royal-page-header h1,
.royal-page-header h2 {
    font-size: var(--royal-font-xxl);
    margin-bottom: var(--royal-space-md);
    line-height: 1.1;
}

.royal-page-header p {
    font-size: var(--royal-font-md);
    margin-bottom: var(--royal-space-lg);
    opacity: 0.95;
    line-height: 1.7;
    text-shadow: 0 0.125rem 0.625rem rgba(0, 0, 0, 0.3);
}

/* ===== 分页样式 ===== */
.royal-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: var(--royal-space-xl);
    padding-top: var(--royal-space-lg);
    border-top: 1px solid var(--royal-border-light);
}

.royal-pagination .pagination {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.royal-pagination .pagination li {
    margin: 0;
}

.royal-pagination .pagination li a,
.royal-pagination .pagination li span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2.75rem;
    height: 2.75rem;
    padding: 0.5rem 1rem;
    border-radius: var(--royal-radius);
    font-weight: 500;
    text-decoration: none;
    transition: var(--royal-transition);
    border: 1.5px solid transparent;
    font-size: var(--royal-font-sm);
}

.royal-pagination .pagination li a {
    background: var(--royal-bg-white);
    color: var(--royal-text-light);
    border-color: var(--royal-border-light);
}

.royal-pagination .pagination li a:hover {
    background: var(--royal-blue-50);
    color: var(--royal-primary-blue);
    border-color: var(--royal-blue-200);
    transform: translateY(-0.125rem);
    box-shadow: var(--royal-shadow-sm);
}

.royal-pagination .pagination li.active span {
    background: var(--royal-gradient-primary);
    color: white;
    border-color: var(--royal-primary-blue);
    box-shadow: var(--royal-shadow), 0 0.25rem 0.75rem rgba(37, 99, 235, 0.2);
    font-weight: 600;
}

.royal-pagination .pagination li.disabled span {
    background: var(--royal-bg-light);
    color: var(--royal-text-lighter);
    border-color: var(--royal-border-light);
    cursor: not-allowed;
    opacity: 0.6;
}

/* 面包屑导航 */
.royal-page-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--royal-space-lg);
    font-size: var(--royal-font-sm);
}

.royal-page-breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
    transition: var(--royal-transition);
}

.royal-page-breadcrumb a:hover {
    color: white;
}

.royal-page-breadcrumb span {
    color: var(--royal-bg-light);
}

/* 无结果提示 */
.royal-no-results {
    text-align: center;
}

/* ===== 分类和文章页面 ===== */

.royal-category-content {
    padding: var(--royal-space-xl) 0;
    background: var(--royal-bg-light);
}

.royal-article-content {
    background: var(--royal-bg-light); 
}
.royal-article-header {
    padding-bottom:var(--royal-space-md);
    margin-bottom:var(--royal-space-md);
    border-bottom: 1px solid var(--royal-border-light);
    position: relative;
}

.royal-article-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--royal-primary-blue);
}

.royal-article-title {
    font-size: var(--royal-font-xl);  
    transition: var(--royal-transition);
}

.royal-cate-cooper{
    display: grid;
    grid-template-columns: repeat(6,1fr);
    gap: 20px;
    padding: var(--royal-space-xxl) 0;
}
.royal-cate-cooper-card{
    padding: var(--royal-space-sm);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    border: 1px solid #e6e6e6;
    border-radius: var(--royal-radius);
    background: #fff;
}


/* 新闻卡片 */
.royal-cate-list{
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: var(--royal-space-md);
}
.royal-cate-list-card {
  background-color: rgba(255, 255, 255, 0.4);
  padding: var(--royal-space-lg);
  border-radius: var(--royal-radius);
  box-shadow: var(--royal-shadow-sm);
  transition: var(--royal-transition);
  height: auto;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--royal-border-light);
}

.royal-cate-list-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--royal-shadow-md);
  background-color: var(--royal-bg-white); 
}

   

.royal-cate-list-card-image {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--royal-radius);
  overflow: hidden;
  background: var(--royal-bg-light);
}

.royal-cate-list-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--royal-transition);
}

.royal-cate-list-card:hover .royal-cate-list-card-image img {
  transform: scale(1.05);
}
 

.royal-cate-list-title {
  font-size: var(--royal-font-default); 
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-align: center;
  margin-top: var(--royal-space-md);
}
 
/* 分类导航 */
.royal-category-nav {   
    background: white; 
}

.royal-category-nav a {
    font-weight: 700;
    padding:var(--royal-space-md) 0;
    margin-right: 20px;
    cursor: pointer;
    transition: var(--royal-transition);
    background: transparent;
    text-decoration: none;
    display: inline-block;
    font-size: var(--royal-font-default);  
}

.royal-category-nav a.royal-active,
.royal-category-nav a:hover {
    color: var(--royal-primary-blue);
}


/* =====单栏目页面 ===== */

.royal-page-content{
    padding:  0 0 var(--royal-space-xxl);
    background: var(--royal-bg-light);
}
/* 页面布局 */
.royal-page-layout {
  display: grid;
  grid-template-columns: 280px 1fr; /* 左侧导航固定宽度，右侧内容自适应 */ 
  align-items: start; 
}

/* 左侧导航菜单 */
.royal-page-navmenu {  
  padding:var(--royal-space-md)  var(--royal-space-lg) var(--royal-space-md) 0; 
  position: sticky;
  top: 120px; /* 粘性定位偏移 */ 
}
 
.royal-page-navmenu-title { 
  border-bottom: 1px solid var(--royal-border-medium);
  padding: var(--royal-space-md) 0;
}

.royal-page-navmenu-title p { 
  color: var(--royal-text-lighter);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--royal-space-sm);  
}

.royal-page-navmenu-title h2 {
  font-size: var(--royal-font-xxl); 
  color: var(--royal-primary-blue);
  line-height: 1.2;
  margin: 0;
}

/* 导航列表 */
.royal-page-navmenu-list {
  display: flex;
  flex-direction: column; 
}

.royal-page-navmenu-list a {
  display: block;
  padding: var(--royal-space-default) var(--royal-space-md) var(--royal-space-default) 0;
  font-size: var(--royal-font-default);   
  transition: var(--royal-transition);
  border-bottom:1px solid var(--royal-border-medium);
}
 .royal-page-navmenu-list a:hover,
.royal-page-navmenu-list a.royal-active {
  color: var(--royal-primary-blue); 
  font-weight: 600; 
}
 .royal-page-article{
    padding: var(--royal-space-xl);
    border-left: 1px solid var(--royal-border-light);
    background: #fff;
 } 
/* ===== 浏览器警告 ===== */
.royal-browser-alert {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    z-index: 9999;
    padding: 0.9375rem 0;
    box-shadow: var(--royal-shadow);
}

.royal-browser-alert-content {
    max-width: 75rem;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 0 1.25rem;
}

.royal-browser-icon {
    font-size: var(--royal-font-xl);
    opacity: 0.9;
}

.royal-browser-text h3 {
    margin: 0 0 0.5rem 0;
    font-size: var(--royal-font-md);
    font-weight: 600;
}

.royal-browser-text p {
    margin: 0 0 0.75rem 0;
    opacity: 0.9;
    font-size: var(--royal-font-sm);
}

.royal-browser-links {
    display: flex;
    gap: 0.9375rem;
}

.royal-browser-links a {
    color: white;
    text-decoration: none;
    padding: 0.375rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--royal-radius-sm);
    transition: var(--royal-transition);
    font-size: var(--royal-font-sm);
}

.royal-browser-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.royal-browser-close {
    background: none;
    border: none;
    color: white;
    font-size: var(--royal-font-md);
    cursor: pointer;
    padding: 0.3125rem;
    margin-left: auto;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.royal-browser-close:hover {
    opacity: 1;
}
/* 技术平台TAB样式 */
.royal-tech-platform {
    margin: var(--royal-space-xl) 0;
    background: var(--royal-bg-white);
    border-radius: var(--royal-radius-md);
    box-shadow: var(--royal-shadow);
    border: 1px solid var(--royal-border-light);
    overflow: hidden;
}

/* TAB导航 */
.royal-tech-tabs {
    display: flex;
    background: var(--royal-bg-light);
    border-bottom: 1px solid var(--royal-border-light);
    position: relative;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.royal-tech-tab {
    flex: 1;
    min-width: 200px;
    padding: var(--royal-space-default) var(--royal-space-md);
    text-align: center;
    background: transparent;
    border: none;
    color: var(--royal-text-light);
    font-weight: 600;
    font-size: var(--royal-font-default);
    cursor: pointer;
    transition: var(--royal-transition);
    position: relative;
    white-space: nowrap;
    border-right: 1px solid var(--royal-border-light);
}

.royal-tech-tab:last-child {
    border-right: none;
}

.royal-tech-tab:hover {
    color: var(--royal-primary-blue);
    background: rgba(20, 106, 201, 0.05);
}

.royal-tech-tab.active {
    color: var(--royal-primary-blue);
    background: var(--royal-bg-white);
}

.royal-tech-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--royal-primary-blue);
}

/* TAB内容区 */
.royal-tech-content {
    padding: var(--royal-space-xl);
}

.royal-tech-tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 平台卡片样式 */
.royal-platform-card {
    background: var(--royal-bg-light);
    border-radius: var(--royal-radius);
    padding: var(--royal-space-lg);
    margin-bottom: var(--royal-space-md);
    border: 1px solid var(--royal-border-light);
    transition: var(--royal-transition);
}

.royal-platform-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--royal-shadow);
    border-color: var(--royal-blue-200);
}

.royal-platform-header {
    margin-bottom: var(--royal-space-md);
    display: flex;
    align-items: flex-start;
    gap: var(--royal-space-sm);
}

.royal-platform-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--royal-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    flex-shrink: 0;
}

.royal-platform-icon:first-child {
    background: var(--royal-gradient-primary);
}

.royal-platform-icon:nth-child(2) {
    background: var(--royal-gradient-green);
}

.royal-platform-icon:nth-child(3){
    background: var(--royal-gradient-purple);
}

.royal-platform-icon:nth-child(4) {
    background: var(--royal-gradient-orange);
}

.royal-platform-title {
    flex: 1;
}

.royal-platform-title h3 {
    font-size: var(--royal-font-lg);
    color: var(--royal-text-dark);
    margin: 0!important;
    font-weight: 700; 
}

.royal-platform-title .subtitle {
    color: var(--royal-primary-blue);
    font-weight: 600;
    font-size: var(--royal-font-sm);
    text-transform: uppercase;
}

.royal-platform-content {
    line-height: 1.6;
    color: var(--royal-text-light);
}

.royal-platform-content ul {
    margin: var(--royal-space-sm) 0;
    padding-left: var(--royal-space-md);
}

.royal-platform-content li {
    margin-bottom: var(--royal-space-xs);
    position: relative;
    padding-left: var(--royal-space-sm);
}

.royal-platform-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--royal-primary-blue);
    font-weight: bold;
}

.royal-platform-content .highlight {
    color: var(--royal-primary-blue);
    font-weight: 600;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .royal-cate-cooper{
        padding: 30px 0;
        grid-template-columns: repeat(4,1fr);
        gap: 10px;
    }
    .royal-tech-tabs {
        flex-direction: column;
    }
    
    .royal-tech-tab {
        min-width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--royal-border-light);
    }
    
    .royal-tech-tab.active::after {
        content: '';
        position: absolute;
        right: 0;
        left: auto;
        bottom: 0;
        top: 0;
        width: 3px;
        height: 100%;
    }
    
    .royal-platform-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .royal-platform-icon {
        margin-bottom: var(--royal-space-sm);
    }
}
/* 通用标题样式 */
.royal-inner-cate-title {
    margin-bottom: var(--royal-space-xl);
}

.royal-inner-cate-title p {
    color: var(--royal-primary-blue);
    font-size: var(--royal-font-md);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: var(--royal-space-sm);
}

.royal-inner-cate-title h2 {
    font-size: var(--royal-font-xxl);
    font-weight: 700;
    color: var(--royal-text-dark);
    line-height: 1.2;
}

/* ===== 滚动条样式 ===== */
::-webkit-scrollbar {
    width: 0.375rem;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--royal-primary-blue);
    border-radius: 0.1875rem;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--royal-blue-600);
}

/* 文本选择样式 */
::selection {
    background: var(--royal-blue-200);
    color: var(--royal-text-dark);
}