/* ==========================================
   1. CSS VARIABLES & ROOT CONFIGURATION
   ========================================== */

:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --tech-blue: #2A5CAA;
    --medical-green: #4CAF50;
    --light-bg: #f8f9fa;
    --dark-text: #212529;
    --animate-duration: 0.5s;
    --animate-delay: 0s;
    --font-primary: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-heading: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ==========================================
   2. GLOBAL BASE STYLES
   ========================================== */

/* 全局字体优化 */
* {
    font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: -0.01em;
    min-height: 100vh;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.display-1,
.display-2,
.display-3,
.display-4,
.display-5,
.display-6 {
    font-weight: 700;
    letter-spacing: -0.03em;
}

.lead {
    font-weight: 400;
    line-height: 1.7;
    letter-spacing: -0.01em;
}

.btn {
    font-weight: 500;
    letter-spacing: 0;
}

.navbar-brand {
    font-weight: 600;
    letter-spacing: -0.01em;
}

.nav-link {
    font-weight: 500;
    letter-spacing: 0;
}

/* 全局按钮样式覆盖 - 移除所有描边 */
.btn:focus,
.btn:active,
.btn.active,
.btn:focus-visible {
    outline: none !important;
    border: none !important;
    box-shadow: 0 0 0 0 transparent !important;
}

.btn-primary:focus,
.btn-primary:active,
.btn-primary.active,
.btn-primary:focus-visible {
    outline: none !important;
    border: none !important;
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4) !important;
}

/* ==========================================
   2. GLOBAL BASE STYLES
   ========================================== */

/* 为内容区域添加半透明背景以提高可读性 */
.container,
.container-fluid,
main.container,
.card {
    background-color: rgba(255, 255, 255, 0.92);
    border-radius: 8px;
}

/* Container-fluid左右padding设置 */
.container-fluid {
    padding-left: 0px !important;
    padding-right: 0px !important;
}

/* 导航栏样式 */
.navbar {
    background-color: rgba(13, 110, 253, 0.95) !important;
    border-radius: 0 !important;
    min-height: 84px !important;
    padding-top: 0px !important;
    padding-bottom: 0px !important;
    padding-left: 0px !important;
    padding-right: 0px !important;
    margin: 0px !important;
}

.navbar .container-fluid {
    padding-left: 0px !important;
    padding-right: 0px !important;
    margin: 0px !important;
    border-radius: 0 !important;
}

/* 导航栏菜单居中偏右 */
.navbar .navbar-collapse {
    justify-content: flex-end !important;
}

/* 通用导航栏样式 - 圆角毛玻璃设计 */
.page-services .navbar,
.page-onlinecalc .navbar,
.page-contact .navbar,
.page-index .navbar {
    background: rgba(255, 255, 255, 1.0) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    position: relative;
    z-index: 1000;
    min-height: 60px;
    padding: 0.8rem 0;
    border-radius: 0 0 12px 12px !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin: 0.5rem;
}

/* 通用导航栏品牌样式 */
.page-services .navbar-brand.enhanced-brand,
.page-onlinecalc .navbar-brand.enhanced-brand,
.page-contact .navbar-brand.enhanced-brand,
.page-index .navbar-brand.enhanced-brand {
    font-size: 1.3rem !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    display: flex !important;
    align-items: center !important;
    padding: 0px 0px 0px 3rem !important;
    margin: 0px !important;
    color: #212529 !important;
}

.page-services .navbar-brand.enhanced-brand:hover,
.page-onlinecalc .navbar-brand.enhanced-brand:hover,
.page-contact .navbar-brand.enhanced-brand:hover,
.page-index .navbar-brand.enhanced-brand:hover {
    color: #495057 !important;
}

.page-services .brand-icon,
.page-onlinecalc .brand-icon,
.page-contact .brand-icon,
.page-index .brand-icon {
    width: 24px !important;
    height: 24px !important;
    margin-right: 0.5rem !important;
}

.page-services .brand-text,
.page-onlinecalc .brand-text,
.page-contact .brand-text,
.page-index .brand-text {
    color: #212529 !important;
    font-weight: 600 !important;
}

/* 通用导航链接样式 */
.page-services .nav-link,
.page-onlinecalc .nav-link,
.page-contact .nav-link,
.page-index .nav-link {
    font-weight: 600 !important;
    color: #212529 !important;
    padding: 0.5rem 1rem !important;
    border-radius: 8px !important;
    margin: 0 0.25rem !important;
    transition: all 0.3s ease !important;
}

.page-services .nav-link:hover,
.page-services .nav-link:focus,
.page-onlinecalc .nav-link:hover,
.page-onlinecalc .nav-link:focus,
.page-contact .nav-link:hover,
.page-contact .nav-link:focus,
.page-index .nav-link:hover,
.page-index .nav-link:focus {
    background-color: rgba(0, 0, 0, 0.1) !important;
    color: #212529 !important;
}

.page-services .nav-link.active,
.page-onlinecalc .nav-link.active,
.page-contact .nav-link.active,
.page-index .nav-link.active {
    background-color: rgba(13, 110, 253, 0.15) !important;
    color: #0d6efd !important;
}

/* 通用导航栏内部容器样式 */
.page-services .navbar .container-fluid,
.page-onlinecalc .navbar .container-fluid,
.page-contact .navbar .container-fluid,
.page-index .navbar .container-fluid {
    background-color: transparent !important;
    backdrop-filter: none !important;
    border-radius: 0 !important;
    padding-left: 0px !important;
    padding-right: 0px !important;
    margin: 0px !important;
}

.navbar-nav {
    margin-left: auto !important;
    margin-right: 8vw !important;
    /* 可根据实际页面宽度调整 */
    float: none !important;
    display: flex !important;
    justify-content: flex-end !important;
    align-items: center !important;
}

/* 动画优化 */
.animate__fadeIn {
    --animate-duration: 0.3s;
}

/* 通用Hero区域样式 */
.hero-section {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
    color: white;
    padding: 4rem 0;
    margin-bottom: 3rem;
}

/* 通用卡片样式 */
.platform-card,
.feature-card,
.company-card,
.service-card {
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    height: 100%;
    border-radius: 0.75rem;
}

.platform-card:hover,
.feature-card:hover,
.company-card:hover,
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 通用图标样式 */
.feature-icon,
.icon-box {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(45deg, #007bff, #0056b3);
    border-radius: 50%;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.animate-icon {
    transition: all 0.3s ease;
}

.platform-card:hover .icon-box,
.feature-card:hover .icon-box,
.company-card:hover .animate-icon,
.service-card:hover .icon-box {
    transform: scale(1.1);
}

/* 通用优势项目样式 */
.advantage-item {
    padding: 1.5rem;
    border-left: 4px solid #007bff;
    background: #f8f9fa;
    margin-bottom: 1rem;
    border-radius: 0 8px 8px 0;
    transition: all 0.3s ease;
}

/* 步骤编号样式 */
.step-number {
    width: 50px;
    height: 50px;
    background: #007bff;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0 auto 1rem;
}

/* 通用按钮样式 */
.access-btn,
.platform-btn {
    background: linear-gradient(45deg, #007bff, #0056b3);
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.access-btn:hover,
.platform-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

/* 平台推广区域样式 */
.platform-promo-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    color: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.platform-promo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.platform-feature {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 1.5rem;
    margin: 0.5rem;
    transition: all 0.3s ease;
}

.platform-feature:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* AI平台专用样式 */
.ai-platform-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 15px;
    padding: 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    border: 1px solid #e9ecef;
    height: 300px;
}

.ai-platform-display .platform-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 10px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    height: 100%;
    margin: 0;
    backdrop-filter: none;
}

.ai-platform-display .platform-feature:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.1);
    border-color: #007bff;
    background: white;
}

.feature-icon-small {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
    margin-bottom: 5px;
}

.feature-info {
    text-align: center;
}

.feature-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 2px;
}

.feature-desc {
    font-size: 0.75rem;
    color: #6c757d;
    line-height: 1.2;
}

/* AI平台响应式设计 */
@media (max-width: 768px) {
    .ai-platform-display {
        height: 250px;
        gap: 10px;
        padding: 15px;
    }

    .ai-platform-display .platform-feature {
        padding: 10px;
        gap: 8px;
    }

    .feature-icon-small {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }

    .feature-title {
        font-size: 0.8rem;
    }

    .feature-desc {
        font-size: 0.7rem;
    }
}

@media (max-width: 576px) {
    .ai-platform-display {
        height: 200px;
        gap: 8px;
        padding: 12px;
    }

    .ai-platform-display .platform-feature {
        padding: 8px;
        gap: 6px;
    }

    .feature-icon-small {
        width: 25px;
        height: 25px;
        font-size: 0.8rem;
    }

    .feature-title {
        font-size: 0.75rem;
    }

    .feature-desc {
        font-size: 0.65rem;
    }
}

/* ==========================================
   3. COMMON HIGHLIGHT TEXT STYLES
   ========================================== */

/* 通用高亮文本样式 */
.page-services .highlight-text,
.page-onlinecalc .highlight-text,
.page-contact .highlight-text,
.page-index .highlight-text {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #1e90ff, #00bfff, #0080ff);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    animation: gradientShift 3s ease-in-out infinite;
    background-size: 200% 200%;
    font-size: 5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 8px rgba(30, 144, 255, 0.3);
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

/* ==========================================
   4. GLOBAL ANIMATIONS
   ========================================== */

/* ==========================================
   5. FOOTER OPTIMIZATION
   ========================================== */

/* Footer样式优化 */
footer {
    background-color: rgba(33, 37, 41, 0.95) !important;
}

/* 其他需要半透明背景的元素 */
.alert {
    background-color: rgba(255, 255, 255, 0.95) !important;
}

.modal-content {
    background-color: rgba(255, 255, 255, 0.95);
}

.dropdown-menu {
    background-color: rgba(255, 255, 255, 0.95);
}

/* 案例滑动器容器背景优化 */
.case-slider-container {
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
}

/* ==========================================
   6. SHARED NAVIGATION & FOOTER STYLES
   ========================================== */

/* 通用页脚样式 */
.page-services footer,
.page-onlinecalc footer,
.page-contact footer,
.page-index footer {
    background-color: #212529 !important;
    position: relative;
    z-index: 1000;
    margin-top: 0px !important;
    margin-bottom: 0px !important;
}

/* 通用页脚内部容器样式 */
.page-services footer .container,
.page-onlinecalc footer .container,
.page-contact footer .container,
.page-index footer .container {
    background-color: transparent !important;
    backdrop-filter: none !important;
    border-radius: 0 !important;
}

/* 响应式导航栏样式 - 通用 */
@media (max-width: 768px) {

    .page-services .navbar-brand.enhanced-brand,
    .page-onlinecalc .navbar-brand.enhanced-brand,
    .page-contact .navbar-brand.enhanced-brand,
    .page-index .navbar-brand.enhanced-brand {
        font-size: 1.1rem !important;
        padding: 0px 0px 0px 0rem !important;
    }

    .page_services .brand-icon,
    .page-onlinecalc .brand-icon,
    .page-contact .brand-icon,
    .page-index .brand-icon {
        width: 20px !important;
        height: 20px !important;
        margin-right: 0.4rem !important;
    }

    .page-services .navbar,
    .page-onlinecalc .navbar,
    .page-contact .navbar,
    .page-index .navbar {
        min-height: 56px !important;
        padding: 0.6rem 0 !important;
    }
}

/* 导航栏汉堡菜单样式修复 */
.navbar-toggler {
    border: 1px solid rgba(0, 0, 0, 0.3) !important;
    padding: 0.25rem 0.5rem !important;
}

.navbar-toggler:focus {
    box-shadow: none !important;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2833, 37, 41, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
    width: 1.2em !important;
    height: 1.2em !important;
}

/* ==========================================
   7. COMMON MAIN CONTENT AREAS
   ========================================== */

/* 通用主内容区域样式 */
.page-services main.container,
.page-onlinecalc main.container,
.page-contact main.container {
    background-color: rgba(255, 255, 255, 0.75);
    border-radius: 15px;
    margin-bottom: 2rem;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
}

/* ==========================================
   8. RESPONSIVE DESIGN
   ========================================== */

/* 滚动条样式 */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) transparent;
}

/* 辅助功能样式 */
.visually-hidden:not(:focus):not(:active) {
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap;
    width: 1px;
}

/* 响应式表格 */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* 打印样式优化 */
@media print {
    .no-print {
        display: none !important;
    }

    body {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* 高对比度模式支持 */
@media (forced-colors: active) {
    .btn {
        border: 2px solid currentColor;
    }
}

/* 减少动画 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Select2 样式统一 */
.select2-container {
    width: 100% !important;
}

.select2-container .select2-selection--single,
.select2-container .select2-selection--multiple {
    min-height: 38px !important;
    height: auto !important;
    display: flex !important;
    align-items: center !important;
    padding: 0.375rem 0.75rem !important;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    padding: 0 !important;
    line-height: 1.5 !important;
    color: #212529 !important;
}

.select2-container--default .select2-selection--multiple .select2-selection__rendered {
    padding: 0 !important;
    line-height: 1.5 !important;
    display: flex !important;
    align-items: center !important;
    flex-wrap: wrap !important;
    gap: 4px !important;
}

.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple {
    border: 1px solid #dee2e6 !important;
    border-radius: 0.375rem !important;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 36px !important;
    right: 6px !important;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice {
    margin: 0 !important;
    padding: 2px 6px !important;
    background-color: #e9ecef !important;
    border: 1px solid #dee2e6 !important;
}

/* 统一占位符文本的样式 */
.select2-container--default .select2-selection--single .select2-selection__placeholder,
.select2-container--default .select2-selection--multiple .select2-selection__placeholder {
    color: #6c757d !important;
}

/* 确保多选框的选项正确对齐 */
.select2-container--default .select2-selection--multiple .select2-search--inline {
    margin: 0 !important;
    height: 24px !important;
    line-height: 24px !important;
}

.select2-container--default .select2-selection--multiple .select2-search--inline .select2-search__field {
    margin: 0 !important;
    height: 24px !important;
    line-height: 24px !important;
}

/* Select2 搜索框样式 */
.select2-container--default .select2-search--dropdown .select2-search__field {
    padding: 8px 12px;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%236c757d" viewBox="0 0 16 16"><path d="M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 16px;
    padding-right: 32px;
}

.select2-container--default .select2-search--inline .select2-search__field {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%236c757d" viewBox="0 0 16 16"><path d="M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z"/></svg>');
    background-repeat: no-repeat;
    background-position: left 8px center;
    background-size: 16px;
    padding-left: 32px !important;
}

.select2-container--default .select2-search--dropdown .select2-search__field:focus,
.select2-container--default .select2-search--inline .select2-search__field:focus {
    outline: none;
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.select2-container--default .select2-search--inline .select2-search__field::placeholder {
    color: #6c757d;
    opacity: 0.8;
}

/* 调整多选框中的搜索框位置 */
.select2-container--default .select2-selection--multiple .select2-search--inline {
    margin-top: 0;
    margin-bottom: 0;
    height: 36px;
    line-height: 36px;
}

.select2-container--default .select2-selection--multiple .select2-search--inline .select2-search__field {
    margin-top: 0;
    height: 36px;
    min-width: 150px;
}


/* ==========================================================================
   COMPANY LOGO STYLES (New Brand Image)
   ========================================================================== */

.company-logo {
    height: 100px;
    /* 在不影响导航栏高度前提下的最大高度 */
    width: auto;
    /* 保持原始比例 3:1 */
    max-width: 300px;
    /* 对应3:1比例下的最大宽度 */
    object-fit: contain;
    transition: transform 0.2s ease, filter 0.2s ease;
    display: block;
    padding: 0px !important;
    margin: 0px !important;
}

.enhanced-brand:hover .company-logo {
    transform: scale(1.05);
    filter: brightness(1.1);
}

/* 响应式设计 */
@media (max-width: 991.98px) {
    .company-logo {
        height: 42px;
        max-width: 260px;
        padding: 0px !important;
        margin: 0px !important;
    }
}

@media (max-width: 768px) {
    .company-logo {
        height: 36px;
        max-width: 220px;
        padding: 0px !important;
        margin: 0px !important;
    }
}

@media (max-width: 576px) {
    .company-logo {
        height: 32px;
        max-width: 180px;
        padding: 0px !important;
        margin: 0px !important;
    }
}

@media (max-width: 480px) {
    .company-logo {
        height: 28px;
        max-width: 160px;
        padding: 0px !important;
        margin: 0px !important;
    }
}

/* 移动端下拉菜单背景色美化 */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: #184a7a !important;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        border-radius: 0 !important;
    }

    .navbar-nav .nav-link {
        color: #fff !important;
    }

    .navbar-nav .nav-link.active,
    .navbar-nav .nav-link:focus,
    .navbar-nav .nav-link:hover {
        background: rgba(255, 255, 255, 0.08) !important;
        color: #ffd700 !important;
    }
}