/* 
 * 环亚实验室 - 专业医疗感主题
 * Professional Medical Theme for HY-LAB
 * 配色方案：蓝/白/绿
 */

/* ========================================
   1. 配色变量定义
   ======================================== */
:root {
    /* 主色调 - 医疗蓝 */
    --primary-color: #0066CC;
    --primary-dark: #004C99;
    --primary-light: #3385D6;
    
    /* 辅助色 - 医疗绿 */
    --secondary-color: #00C853;
    --secondary-dark: #00A043;
    --secondary-light: #33D370;
    
    /* 中性色 */
    --white: #FFFFFF;
    --light-gray: #F5F7FA;
    --gray: #E8EBF0;
    --text-gray: #666666;
    --text-dark: #333333;
    
    /* 强调色 */
    --accent-blue: #00B8D4;
    --accent-green: #00E676;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0,102,204,0.1);
    --shadow-md: 0 4px 12px rgba(0,102,204,0.15);
    --shadow-lg: 0 8px 24px rgba(0,102,204,0.2);
    
    /* 动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========================================
   2. 全局样式优化
   ======================================== */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 选中文本样式 */
::selection {
    background: var(--primary-color);
    color: var(--white);
}

/* ========================================
   3. 导航栏优化
   ======================================== */
.head_nav_met_16_5_6 .nav-top {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

/* 导航栏固定时的样式 */
.met-head.navbar-fixed-top {
    box-shadow: var(--shadow-lg);
    background: rgba(255,255,255,0.98) !important;
    backdrop-filter: blur(10px);
}

/* 导航链接优化 */
.head_nav_met_16_5_6 .navlist .nav-item a.nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    position: relative;
    transition: var(--transition-normal);
}

/* 导航链接悬停效果 */
.head_nav_met_16_5_6 .navlist .nav-item a.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: translateX(-50%);
    transition: var(--transition-normal);
}

.head_nav_met_16_5_6 .navlist .nav-item:hover a.nav-link::after,
.head_nav_met_16_5_6 .navlist .nav-item a.nav-link.active::after {
    width: 80%;
}

.head_nav_met_16_5_6 .navlist .nav-item:hover a.nav-link,
.head_nav_met_16_5_6 .navlist .nav-item a.nav-link.active {
    color: var(--primary-color) !important;
    background: transparent !important;
}

/* 下拉菜单优化 */
.head_nav_met_16_5_6 .dropdown-menu {
    background: var(--white);
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: 8px;
    padding: 10px 0;
    margin-top: 10px;
}

.head_nav_met_16_5_6 .dropdown-item {
    color: var(--text-dark) !important;
    padding: 10px 20px;
    transition: var(--transition-fast);
}

.head_nav_met_16_5_6 .dropdown-item:hover {
    background: var(--light-gray) !important;
    color: var(--primary-color) !important;
    padding-left: 25px;
}

/* ========================================
   4. Banner横幅优化
   ======================================== */
.banner_met_11_5_2 {
    position: relative;
    overflow: hidden;
}

/* Banner文字优化 */
.banner_met_11_5_2 .banner-text h3,
.banner_met_11_5_2 .banner-text p {
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
    animation: fadeInUp 0.8s ease-out;
}

/* Banner按钮优化 */
.banner_met_11_5_2 .banner-text .btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    padding: 12px 40px;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.banner_met_11_5_2 .banner-text .btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.banner_met_11_5_2 .banner-text .btn:hover::before {
    width: 300px;
    height: 300px;
}

.banner_met_11_5_2 .banner-text .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0,102,204,0.3);
}

/* Banner指示器优化 */
.banner_met_11_5_2 .slick-dots li {
    background: var(--white);
    border: 2px solid var(--primary-color);
    opacity: 0.6;
}

.banner_met_11_5_2 .slick-dots li.slick-active {
    background: var(--primary-color);
    opacity: 1;
    transform: scale(1.2);
}

/* ========================================
   5. 服务/产品卡片优化
   ======================================== */
.service_list_met_16_2_52 .index-service-list li,
.product_list_met_16_1_59 .index-product-list li {
    transition: var(--transition-normal);
}

/* 卡片悬停效果 */
.service_list_met_16_2_52 .index-service-list li:hover,
.product_list_met_16_1_59 .card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

/* 服务卡片底部线条渐变 */
.service_list_met_16_2_52 .index-service-list li .service-info:after {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color)) !important;
    height: 3px;
}

/* 标题颜色优化 */
.service_list_met_16_2_52 .index-service-list li:hover h3,
.product_list_met_16_1_59 .index-product-list li:hover h4 a {
    color: var(--primary-color) !important;
}

/* 卡片背景优化 */
.service_list_met_16_2_52 .index-service-list li .service-info,
.product_list_met_16_1_59 .card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
}

/* 图片悬停缩放优化 */
.service_list_met_16_2_52 .index-service-list li .service-shadow {
    border-radius: 8px 8px 0 0;
    overflow: hidden;
}

/* ========================================
   6. 按钮通用样式
   ======================================== */
.btn-primary,
.service_list_met_16_2_52 .more,
a.btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
    border: none !important;
    color: var(--white) !important;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 500;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.btn-primary::before,
.service_list_met_16_2_52 .more::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(--transition-slow);
}

.btn-primary:hover::before,
.service_list_met_16_2_52 .more:hover::before {
    left: 100%;
}

.btn-primary:hover,
.service_list_met_16_2_52 .more:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,102,204,0.3);
}

/* 次要按钮 - 绿色 */
.btn-success {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark)) !important;
}

/* ========================================
   7. 关于我们/案例展示优化
   ======================================== */
.about_list_met_28_8_53 .show_item_right h3 a {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
    border-radius: 25px;
    transition: var(--transition-normal);
}

.about_list_met_28_8_53 .show_item_right h3 a:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark)) !important;
    transform: translateX(5px);
}

/* 案例卡片蒙版优化 */
.case_list_met_35_1_60 .view-sixth .mask {
    background: linear-gradient(135deg, rgba(0,102,204,0.9), rgba(0,200,83,0.9)) !important;
}

.case_list_met_35_1_60 .view-sixth h5 {
    border-bottom-color: var(--secondary-color) !important;
}

/* ========================================
   8. 新闻列表优化
   ======================================== */
.news_list_met_35_5_58 .default-blog-news {
    border-radius: 8px;
    overflow: hidden;
    background: var(--white);
}

.news_list_met_35_5_58 .default-blog-news .date {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
    border-radius: 8px;
    transition: var(--transition-normal);
}

.news_list_met_35_5_58 .default-blog-news:hover .date {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark)) !important;
    transform: scale(1.1);
}

.news_list_met_35_5_58 .default-blog-news .lower-content {
    border-bottom-color: var(--gray) !important;
}

.news_list_met_35_5_58 .default-blog-news .lower-content h4 a:hover {
    color: var(--primary-color) !important;
}

/* ========================================
   9. 页脚优化
   ======================================== */
.foot_nav_met_11_3_3 {
    background: linear-gradient(180deg, var(--light-gray) 0%, var(--white) 100%);
}

.foot_nav_met_11_3_3:before {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
}

.foot_nav_met_11_3_3 h4 a:hover {
    color: var(--secondary-color) !important;
}

.foot_nav_met_11_3_3 ul li a:hover span {
    color: var(--primary-color) !important;
}

/* 返回顶部按钮优化 */
.back_top_met_36_1_5.cd-top {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
    border: none !important;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.back_top_met_36_1_5.cd-top:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark)) !important;
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(0,102,204,0.4);
}

/* ========================================
   10. 动画定义
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* 页面加载动画 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   11. 响应式优化
   ======================================== */
@media (max-width: 768px) {
    :root {
        --shadow-md: 0 2px 8px rgba(0,102,204,0.12);
        --shadow-lg: 0 4px 16px rgba(0,102,204,0.15);
    }
    
    .head_nav_met_16_5_6 .navlist .nav-item a.nav-link::after {
        display: none;
    }
}

/* ========================================
   12. 医疗专业元素
   ======================================== */
/* 脉搏线动画装饰 */
.pulse-line {
    position: relative;
}

.pulse-line::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--secondary-color) 20%, 
        var(--secondary-color) 40%, 
        transparent 60%
    );
    animation: pulse-move 2s linear infinite;
}

@keyframes pulse-move {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 清洁感圆角 */
.medical-card {
    border-radius: 12px;
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.medical-card:hover {
    box-shadow: var(--shadow-lg);
}

/* 专业图标容器 */
.icon-medical {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    color: var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.icon-medical:hover {
    transform: rotate(10deg) scale(1.1);
    box-shadow: var(--shadow-md);
}

/* ========================================
   13. 加载动画
   ======================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

.loading-overlay.loaded {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   14. 可访问性优化
   ======================================== */
a:focus,
button:focus,
input:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0052A3;
        --secondary-color: #008A3A;
    }
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}