/* ===================================
   星云天启网站改版 - 主样式文件
   参考苹果官网设计风格
   =================================== */

/* ========== 基础样式 ========== */
:root {
    /* 颜色变量 */
    --primary-color: #0071e3;
    --secondary-color: #00a0dc;
    --text-dark: #1d1d1f;
    --text-light: #6e6e73;
    --bg-white: #ffffff;
    --bg-light: #f5f5f7;
    --bg-dark: #000000;
    --border-color: #d2d2d7;
    --hover-bg: rgba(0, 113, 227, 0.08);
    
    /* 间距 */
    --nav-height: 44px;
    --section-padding: 80px 20px;
    --container-max-width: 1440px;
    
    /* 字体 */
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-large: 48px;
    --font-size-medium: 32px;
    --font-size-small: 14px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== 导航栏样式 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: background var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1400px;
    height: 100%;
    margin: 0 auto;
    padding: 0 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

/* Logo */
.nav-logo {
    flex-shrink: 0;
}

.logo-img {
    height: 32px;
    width: auto;
    transition: transform var(--transition-fast);
}

.nav-logo:hover .logo-img {
    transform: scale(1.05);
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 32px;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    font-size: 14px;
    color: var(--text-dark);
    padding: 0 8px;
    line-height: var(--nav-height);
    opacity: 0.8;
    transition: opacity var(--transition-fast), color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    opacity: 1;
    color: var(--primary-color);
}

/* 当前页面高亮样式 */
.nav-link.active {
    opacity: 1;
    color: var(--primary-color);
    font-weight: 500;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 8px;
    right: 8px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px 2px 0 0;
}

/* 兼容旧的 .nav-item.active 样式 */
.nav-item.active .nav-link {
    opacity: 1;
    color: var(--primary-color);
    font-weight: 500;
}

/* 下拉菜单 */
.has-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 8px 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    margin-top: 8px;
    list-style: none;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: var(--text-dark);
    font-size: 14px;
    transition: background var(--transition-fast);
}

.dropdown-menu a:hover {
    background: var(--hover-bg);
}

/* 语言切换 */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 20px;
}

/* 桌面端显示 */
.desktop-only {
    display: flex;
}

/* 移动端语言切换（默认隐藏） */
.mobile-lang-switcher {
    display: none;
    width: 100%;
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    margin-top: 10px;
}

.mobile-lang-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.lang-btn {
    background: none;
    border: none;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-light);
    transition: color var(--transition-fast);
    font-weight: 500;
}

.lang-btn:hover,
.lang-btn.active {
    color: var(--primary-color);
}

/* 移动端语言按钮增强 */
@media (max-width: 768px) {
    .mobile-lang-buttons .lang-btn {
        padding: 0 20px;
        font-size: 16px;
        border-radius: 8px;
        background: var(--bg-light);
        min-width: 80px;
        width: 80px;
        height: 44px;
        line-height: 44px;
        text-align: center;
        font-weight: 500;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        box-sizing: border-box;
    }
    
    .mobile-lang-buttons .lang-btn:hover,
    .mobile-lang-buttons .lang-btn.active {
        background: var(--primary-color);
        color: var(--bg-white);
    }
    
    .mobile-lang-buttons .lang-divider {
        font-size: 16px;
        color: var(--text-light);
        line-height: 44px;
    }
}

.lang-divider {
    color: var(--border-color);
    font-size: 14px;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 2px;
    background: var(--text-dark);
    transition: all var(--transition-fast);
    transform-origin: center center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ========== Hero Section ========== */
.hero-section {
    position: relative;
    height: 60vh;
    min-height: 540px;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 18% 22%, rgba(125, 211, 252, 0.28) 0%, rgba(125, 211, 252, 0) 34%),
        radial-gradient(circle at 82% 18%, rgba(59, 130, 246, 0.34) 0%, rgba(59, 130, 246, 0) 40%),
        linear-gradient(135deg, #2f80ed 0%, #2563eb 52%, #1d4ed8 100%);
    overflow: hidden;
    margin-top: var(--nav-height);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--bg-white);
    padding: 0 24px;
    max-width: 900px;
}

.hero-title {
    font-size: clamp(32px, 8vw, 72px);
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.04em;
    line-height: 1.08;
    text-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: clamp(18px, 3vw, 28px);
    font-weight: 400;
    margin: 0 auto;
    max-width: 720px;
    line-height: 1.7;
    letter-spacing: 0.08em;
    opacity: 0.92;
    padding: 14px 28px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(10, 20, 60, 0.12);
    animation: fadeInUp 1s ease;
}

.hero-visual {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(12, 39, 104, 0.08) 0%, rgba(12, 39, 104, 0.22) 100%),
        linear-gradient(90deg, rgba(125, 211, 252, 0.08) 0%, rgba(255, 255, 255, 0) 45%, rgba(59, 130, 246, 0.12) 100%);
}

.animated-bg {
    position: absolute;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(147, 197, 253, 0.24) 0%, transparent 38%),
        radial-gradient(circle at 80% 80%, rgba(59, 130, 246, 0.2) 0%, transparent 42%),
        radial-gradient(circle at 55% 35%, rgba(255, 255, 255, 0.12) 0%, transparent 28%);
    animation: float 15s ease-in-out infinite;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    50% {
        transform: translate(-10%, -10%) rotate(5deg);
    }
}

/* ========== 按钮样式 ========== */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 24px;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--bg-white);
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--primary-color);
    color: var(--bg-white);
}

.btn-secondary:hover {
    background: #0052a3;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ========== 模块通用样式 ========== */
.module-section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.section-header p {
    font-size: clamp(16px, 2vw, 21px);
    color: var(--text-light);
}

.cta-section {
    text-align: center;
    margin-top: 50px;
}

/* ========== AI模块 ========== */
.ai-module {
    background: var(--bg-light);
    padding: 80px 10px;
}

.ai-feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 40px;
    padding: 0 10px;
    max-width: 100%;
}

.ai-feature {
    background: var(--bg-white);
    padding: 0;
    border-radius: 8px;
    overflow: hidden;
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    box-shadow: var(--shadow-sm);
    width: 100%;
}

.ai-feature:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.ai-feature img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    background: #f0f4f8; /* 占位背景色 */
    display: block;
}

.ai-feature h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin: 25px 20px 10px;
}

.ai-feature p {
    color: var(--text-gray);
    margin: 0 20px 30px;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .ai-feature-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 0 0px;
    }
    
    .ai-feature {
        border-radius: 8px;
    }
    
    .ai-feature img {
        height: 250px;
    }
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-icon img {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
}

.iot-feature-icon {
    position: relative;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.10), rgba(33, 150, 243, 0.18));
    border: 2px solid rgba(33, 150, 243, 0.24);
}

.iot-feature-icon span {
    position: absolute;
    display: block;
    box-sizing: border-box;
}

.iot-feature-icon-connect .iot-icon-node {
    width: 10px;
    height: 10px;
    border: 2px solid #2196f3;
    border-radius: 50%;
}

.iot-feature-icon-connect .iot-icon-hub {
    width: 18px;
    height: 18px;
    left: 31px;
    top: 31px;
    border: 2px solid #2196f3;
    border-radius: 6px;
    background: #ffffff;
}

.iot-feature-icon-connect .node-left {
    left: 14px;
    top: 35px;
}

.iot-feature-icon-connect .node-top {
    left: 35px;
    top: 16px;
}

.iot-feature-icon-connect .node-right {
    right: 14px;
    top: 35px;
}

.iot-feature-icon-connect .iot-icon-link {
    height: 2px;
    background: #2196f3;
}

.iot-feature-icon-connect .link-left {
    left: 24px;
    top: 39px;
    width: 16px;
}

.iot-feature-icon-connect .link-top {
    left: 39px;
    top: 24px;
    width: 2px;
    height: 12px;
}

.iot-feature-icon-connect .link-right {
    right: 24px;
    top: 39px;
    width: 16px;
}

.iot-feature-icon-sensor .iot-icon-sensor-core {
    width: 14px;
    height: 14px;
    left: 50%;
    top: 50%;
    border: 2px solid #2196f3;
    border-radius: 50%;
    background: #ffffff;
    transform: translate(-50%, -50%);
}

.iot-feature-icon-sensor .iot-icon-sensor-wave {
    border: 2px solid #2196f3;
    border-radius: 50%;
    opacity: 0.9;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.iot-feature-icon-sensor .wave-1 {
    width: 28px;
    height: 28px;
}

.iot-feature-icon-sensor .wave-2 {
    width: 42px;
    height: 42px;
    opacity: 0.65;
}

.iot-feature-icon-sensor .wave-3 {
    width: 56px;
    height: 56px;
    opacity: 0.35;
}

.iot-feature-icon-control .iot-icon-panel {
    inset: 16px;
    border: 2px solid #2196f3;
    border-radius: 12px;
}

.iot-feature-icon-control .iot-icon-slider {
    left: 24px;
    width: 32px;
    height: 2px;
    background: #2196f3;
}

.iot-feature-icon-control .slider-top {
    top: 25px;
}

.iot-feature-icon-control .slider-mid {
    top: 39px;
}

.iot-feature-icon-control .slider-bottom {
    top: 53px;
}

.iot-feature-icon-control .iot-icon-knob {
    width: 8px;
    height: 8px;
    border: 2px solid #2196f3;
    border-radius: 50%;
    background: #ffffff;
}

.iot-feature-icon-control .knob-top {
    left: 30px;
    top: 20px;
}

.iot-feature-icon-control .knob-mid {
    left: 44px;
    top: 34px;
}

.iot-feature-icon-control .knob-bottom {
    left: 36px;
    top: 48px;
}

.iot-feature-icon-security .iot-icon-shield {
    width: 38px;
    height: 44px;
    left: 19px;
    top: 16px;
    border: 3px solid #2196f3;
    background: #2196f3;
    border-radius: 14px 14px 18px 18px;
    clip-path: polygon(50% 0, 100% 16%, 90% 78%, 50% 100%, 10% 78%, 0 16%);
}

.iot-feature-icon-security .iot-icon-shield-inner {
    width: 24px;
    height: 28px;
    left: 26px;
    top: 24px;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-radius: 10px 10px 12px 12px;
    clip-path: polygon(50% 0, 100% 16%, 88% 76%, 50% 100%, 12% 76%, 0 16%);
}

.iot-feature-icon-security .iot-icon-lock {
    width: 16px;
    height: 12px;
    left: 30px;
    top: 37px;
    border: 2px solid #ffffff;
    background: #ffffff;
    border-radius: 4px;
}

.iot-feature-icon-security .iot-icon-lock-bar {
    width: 10px;
    height: 8px;
    left: 33px;
    top: 29px;
    border: 2px solid #ffffff;
    border-bottom: none;
    border-radius: 8px 8px 0 0;
}

.iot-feature-icon-security .iot-icon-lock-dot {
    width: 4px;
    height: 4px;
    left: 36px;
    top: 42px;
    border-radius: 50%;
    background: #2196f3;
    box-shadow: 0 0 0 2px #ffffff;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ========== 物联网模块 ========== */
.iot-module {
    background: var(--bg-light);
    padding: 0; /* 全屏宽度，移除padding */
}

/* 物联网模块Hero布局 - 三层结构：顶部标题 + 下方左右分栏 */
.iot-hero-section {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* 顶部标题区域（居中）- 精简内边距 */
.iot-hero-header {
    text-align: center;
    padding: 45px 20px 25px;
    background: #ffffff;
    z-index: 3;
}

.iot-hero-header h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.15;
}

.iot-hero-header p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 0;
}

/* 下方左右分栏区域 - 左侧60%图片 + 右侧40%内容 */
.iot-hero-container {
    display: grid;
    grid-template-columns: 60% 40%; /* 左侧大图60%，右侧内容40% */
    width: 100%;
    height: 540px; /* 固定高度 540px */
}

/* 左侧大图背景区 */
.iot-hero-image {
    position: relative;
    background: url('../../images/redesign/hero/iot-hero.webp') no-repeat center center;
    background-size: cover;
    height: 540px; /* 固定高度匹配右侧 */
}

/* 支持WebP的浏览器使用WebP，否则降级 */
.webp .iot-hero-image {
    background-image: url('../../images/redesign/hero/iot-hero.webp');
}

.no-webp .iot-hero-image {
    background-image: url('../../images/redesign/hero/iot-hero.jpg');
}

/* 右侧内容区 - 苹果风格极简设计 */
.iot-hero-content {
    padding: 50px 60px; /* 适配40%宽度的内边距 */
    background: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 48px; /* 间距 */
    height: 540px;
    z-index: 2;
}

/* 物联网精简版特性列表 - 复用医疗模块样式 */
.iot-highlights-simple {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

/* CTA 按钮区域 */
.iot-hero-content .cta-section {
    margin: 0;
    padding: 0;
    text-align: center;
}

.iot-hero-content .cta-section .btn-secondary {
    padding: 15px 44px;
    font-size: 17px;
    font-weight: 500;
    border-radius: 980px;
    letter-spacing: -0.3px;
}

/* ========== 医疗设备模块 ========== */
.medical-module {
    background: var(--bg-light);
    padding: 0; /* 全屏宽度，移除padding */
}

/* 医疗模块Hero布局 - 三层结构：顶部标题 + 下方左右分栏 */
.medical-hero-section {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* 顶部标题区域（居中）- 精简内边距 */
.medical-hero-header {
    text-align: center;
    padding: 45px 20px 25px;
    background: #ffffff;
    z-index: 3;
}

.medical-hero-header h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.15;
}

.medical-hero-header p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 0;
}

/* 下方左右分栏区域 */
.medical-hero-container {
    display: grid;
    grid-template-columns: 40% 60%;
    width: 100%;
    height: 540px; /* 固定高度 540px */
}

/* 左侧内容区 - 苹果风格极简设计 */
.medical-hero-content {
    padding: 50px 70px; /* 减小垂直padding */
    background: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 48px; /* 减小间距，确保内容不被遮挡 */
    height: 540px;
    z-index: 2;
}

/* 右侧大图背景区 */
.medical-hero-image {
    position: relative;
    background: url('../../images/redesign/hero/medical-hero.webp') no-repeat center center;
    background-size: cover;
    height: 540px; /* 固定高度匹配左侧 */
}

/* 支持WebP的浏览器使用WebP，否则降级到JPG */
.webp .medical-hero-image {
    background-image: url('../../images/redesign/hero/medical-hero.webp');
}

.no-webp .medical-hero-image {
    background-image: url('../../images/redesign/hero/medical-hero.jpg');
}

/* 精简版特性列表 - 苹果风格 */
.medical-highlights-simple {
    display: flex;
    flex-direction: column;
    gap: 28px; /* 优化间距，避免第一条被遮挡 */
}

.highlight-item-simple {
    display: flex;
    align-items: flex-start;
    gap: 28px; /* 增大数字与内容间距 */
}

.highlight-number {
    font-size: 52px; /* 增大字号，苹果风格 */
    font-weight: 700;
    color: #2196f3;
    line-height: 1;
    flex-shrink: 0;
    width: 85px; /* 调整宽度 */
    opacity: 0.15; /* 降低不透明度，更优雅 */
    letter-spacing: -2px; /* 紧凑字母间距，苹果风格 */
}

.highlight-content {
    flex: 1;
    padding-top: 10px; /* 微调对齐 */
}

.highlight-content h3 {
    font-size: 22px; /* 增大标题，苹果风格 */
    font-weight: 600;
    color: #1d1d1f; /* 苹果经典深灰色 */
    margin-bottom: 10px; /* 增加间距 */
    line-height: 1.3;
    letter-spacing: -0.5px; /* 紧凑字母间距 */
}

.highlight-content p {
    font-size: 16px; /* 增大描述字号 */
    color: #6e6e73; /* 苹果经典浅灰色 */
    line-height: 1.5;
    margin: 0;
    letter-spacing: -0.2px;
    text-align: center;
}

/* CTA 按钮区域 - 苹果风格 */
.medical-hero-content .cta-section {
    margin: 0;
    padding: 0;
    text-align: center;
}

.medical-hero-content .cta-section .btn-secondary {
    padding: 15px 44px; /* 增大按钮 */
    font-size: 17px; /* 苹果标准字号 */
    font-weight: 500;
    border-radius: 980px; /* 苹果经典圆角 */
    letter-spacing: -0.3px;
}

/* 医疗模块图标特殊样式（使JPG图片正常显示） */
.medical-module .feature-icon {
    background: transparent;
    border-radius: 0;
    width: 100px;
    height: auto;
    margin: 0 auto 24px;
}

.medical-module .feature-icon img {
    width: 100%;
    height: auto;
    filter: none;
    border-radius: 12px;
}

.medical-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 40px;
}

.medical-visual img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.medical-highlights {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.highlight-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.highlight-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
}

.highlight-item h4 {
    font-size: 18px;
    margin-bottom: 6px;
    font-weight: 600;
}

.highlight-item p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.6;
}

/* ========== Footer ========== */
.site-footer {
    background: var(--text-dark);
    color: var(--bg-white);
    padding: 60px 20px 30px;
}

/* ========== 子页面样式 ========== */

/* 页面Hero Section */
.page-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 120px 20px 80px;
    margin-top: var(--nav-height);
    color: var(--bg-white);
    text-align: center;
}

.page-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-ai .page-hero-content {
    max-width: 960px;
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-subtitle {
    font-size: 20px;
    opacity: 0.95;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.page-ai .page-subtitle {
    max-width: 860px;
}

/* Detail Section */
.detail-section {
    padding: var(--section-padding);
}

.detail-section.bg-light {
    background: var(--bg-light);
}

/* 特性列表 */
.feature-list {
    list-style: none;
    margin-top: 20px;
    padding: 0;
}

.feature-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    line-height: 1.6;
    color: var(--text-light);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 16px;
}

/* 场景卡片网格 */
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.scenario-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.scenario-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.scenario-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.scenario-icon object,
.scenario-icon img {
    width: 100%;
    height: 100%;
    display: block;
    pointer-events: none;
}

.page-ai .scenario-icon[class*="scenario-icon-"] {
    border: 2px solid rgba(33, 150, 243, 0.18);
    border-radius: 22px;
    background: transparent;
}

.page-ai .scenario-icon[class*="scenario-icon-"] span {
    position: absolute;
    display: block;
    box-sizing: border-box;
}

.page-ai .scenario-icon-dashboard .icon-frame {
    inset: 14px;
    border: 2px solid #2196f3;
    border-radius: 12px;
}

.page-ai .scenario-icon-dashboard .icon-bar {
    bottom: 20px;
    width: 6px;
    border-radius: 999px;
    background: #2196f3;
}

.page-ai .scenario-icon-dashboard .bar-1 {
    left: 24px;
    height: 18px;
}

.page-ai .scenario-icon-dashboard .bar-2 {
    left: 37px;
    height: 28px;
}

.page-ai .scenario-icon-dashboard .bar-3 {
    left: 50px;
    height: 12px;
}

.page-ai .scenario-icon-dashboard .icon-line {
    left: 24px;
    top: 26px;
    width: 30px;
    height: 2px;
    background: #2196f3;
    transform: rotate(-12deg);
    transform-origin: left center;
}

.page-ai .scenario-icon-docs .icon-page {
    width: 26px;
    height: 34px;
    border: 2px solid #2196f3;
    border-radius: 8px;
    background: transparent;
}

.page-ai .scenario-icon-docs .page-back {
    left: 20px;
    top: 22px;
}

.page-ai .scenario-icon-docs .page-front {
    left: 32px;
    top: 16px;
}

.page-ai .scenario-icon-docs .icon-page-line {
    left: 39px;
    height: 2px;
    background: #2196f3;
}

.page-ai .scenario-icon-docs .line-1 {
    top: 26px;
    width: 10px;
}

.page-ai .scenario-icon-docs .line-2 {
    top: 33px;
    width: 14px;
}

.page-ai .scenario-icon-docs .line-3 {
    top: 40px;
    width: 12px;
}

.page-ai .scenario-icon-radar {
    border-radius: 50%;
}

.page-ai .scenario-icon-radar .icon-circle {
    border: 2px solid #2196f3;
    border-radius: 50%;
}

.page-ai .scenario-icon-radar .circle-outer {
    width: 50px;
    height: 50px;
}

.page-ai .scenario-icon-radar .circle-inner {
    width: 26px;
    height: 26px;
}

.page-ai .scenario-icon-radar .icon-axis {
    background: rgba(33, 150, 243, 0.65);
}

.page-ai .scenario-icon-radar .axis-h {
    width: 42px;
    height: 2px;
}

.page-ai .scenario-icon-radar .axis-v {
    width: 2px;
    height: 42px;
}

.page-ai .scenario-icon-radar .icon-ping {
    width: 8px;
    height: 8px;
    top: 20px;
    right: 20px;
    border-radius: 50%;
    background: #2196f3;
}

.page-ai .scenario-icon-knowledge .icon-book {
    left: 20px;
    top: 18px;
    width: 30px;
    height: 40px;
    border: 2px solid #2196f3;
    border-radius: 6px;
}

.page-ai .scenario-icon-knowledge .icon-book::before {
    content: "";
    position: absolute;
    left: 8px;
    top: 0;
    width: 2px;
    height: 100%;
    background: #2196f3;
}

.page-ai .scenario-icon-knowledge .icon-book-line {
    left: 30px;
    height: 2px;
    background: rgba(33, 150, 243, 0.7);
}

.page-ai .scenario-icon-knowledge .line-top {
    top: 28px;
    width: 12px;
}

.page-ai .scenario-icon-knowledge .line-mid {
    top: 35px;
    width: 16px;
}

.page-ai .scenario-icon-knowledge .line-bottom {
    top: 42px;
    width: 11px;
}

.page-ai .scenario-icon-knowledge .icon-search {
    width: 16px;
    height: 16px;
    right: 16px;
    bottom: 16px;
    border: 2px solid #2196f3;
    border-radius: 50%;
}

.page-ai .scenario-icon-knowledge .icon-search::after {
    content: "";
    position: absolute;
    width: 9px;
    height: 2px;
    right: -6px;
    bottom: -1px;
    background: #2196f3;
    transform: rotate(45deg);
}

.page-ai .scenario-icon-connect .icon-node {
    width: 10px;
    height: 10px;
    border: 2px solid #2196f3;
    border-radius: 50%;
    background: #fff;
}

.page-ai .scenario-icon-connect .node-left {
    left: 14px;
    top: 34px;
}

.page-ai .scenario-icon-connect .node-center {
    left: 35px;
    top: 18px;
}

.page-ai .scenario-icon-connect .node-right {
    right: 14px;
    bottom: 18px;
}

.page-ai .scenario-icon-connect .icon-link {
    height: 2px;
    background: #2196f3;
}

.page-ai .scenario-icon-connect .link-left {
    left: 23px;
    top: 34px;
    width: 20px;
    transform: rotate(-28deg);
}

.page-ai .scenario-icon-connect .link-right {
    right: 23px;
    top: 39px;
    width: 20px;
    transform: rotate(34deg);
}

.page-ai .scenario-icon-video .icon-screen {
    left: 18px;
    top: 21px;
    width: 44px;
    height: 28px;
    border: 2px solid #2196f3;
    border-radius: 8px;
}

.page-ai .scenario-icon-video .icon-screen::after {
    content: "";
    position: absolute;
    left: 15px;
    bottom: -8px;
    width: 10px;
    height: 2px;
    background: #2196f3;
}

.page-ai .scenario-icon-video .icon-lens {
    left: 32px;
    top: 29px;
    width: 16px;
    height: 16px;
    border: 2px solid #2196f3;
    border-radius: 50%;
}

.page-ai .scenario-icon-video .icon-rec {
    right: 15px;
    top: 15px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #2196f3;
}

.page-ai .scenario-icon-memory {
    border-radius: 50%;
}

.page-ai .scenario-icon-memory .icon-core {
    width: 16px;
    height: 16px;
    border: 2px solid #2196f3;
    border-radius: 50%;
}

.page-ai .scenario-icon-memory .icon-branch {
    height: 2px;
    background: #2196f3;
}

.page-ai .scenario-icon-memory .branch-1 {
    width: 16px;
    top: 27px;
    left: 18px;
    transform: rotate(-28deg);
}

.page-ai .scenario-icon-memory .branch-2 {
    width: 16px;
    top: 49px;
    left: 18px;
    transform: rotate(28deg);
}

.page-ai .scenario-icon-memory .branch-3 {
    width: 16px;
    top: 27px;
    right: 18px;
    transform: rotate(28deg);
}

.page-ai .scenario-icon-memory .branch-4 {
    width: 16px;
    top: 49px;
    right: 18px;
    transform: rotate(-28deg);
}

.page-iot .scenario-icon[class*="scenario-icon-"] {
    border: 2px solid rgba(0, 113, 227, 0.14);
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(0, 113, 227, 0.06), rgba(0, 160, 220, 0.04));
}

.page-iot .scenario-icon[class*="scenario-icon-"] span {
    position: absolute;
    display: block;
    box-sizing: border-box;
}

.page-iot .scenario-icon-factory .icon-building {
    left: 18px;
    bottom: 18px;
    width: 44px;
    height: 30px;
    border: 2px solid #0071e3;
    border-radius: 8px;
}

.page-iot .scenario-icon-factory .icon-building::before {
    content: "";
    position: absolute;
    left: 8px;
    top: -10px;
    width: 14px;
    height: 10px;
    border: 2px solid #0071e3;
    border-bottom: none;
    border-radius: 4px 4px 0 0;
}

.page-iot .scenario-icon-factory .icon-stack {
    width: 6px;
    height: 18px;
    bottom: 42px;
    background: #0071e3;
    border-radius: 999px;
}

.page-iot .scenario-icon-factory .stack-left {
    left: 26px;
}

.page-iot .scenario-icon-factory .stack-right {
    left: 38px;
}

.page-iot .scenario-icon-factory .icon-window {
    width: 6px;
    height: 6px;
    bottom: 28px;
    background: rgba(0, 113, 227, 0.18);
    border: 2px solid #0071e3;
    border-radius: 2px;
}

.page-iot .scenario-icon-factory .window-1 {
    left: 25px;
}

.page-iot .scenario-icon-factory .window-2 {
    left: 37px;
}

.page-iot .scenario-icon-factory .window-3 {
    left: 49px;
}

.page-iot .scenario-icon-agriculture {
    border-radius: 50%;
}

.page-iot .scenario-icon-agriculture .icon-leaf {
    width: 18px;
    height: 26px;
    border: 2px solid #00a0dc;
    border-radius: 18px 18px 18px 4px;
    background: rgba(0, 160, 220, 0.08);
}

.page-iot .scenario-icon-agriculture .leaf-left {
    left: 23px;
    top: 21px;
    transform: rotate(-28deg);
}

.page-iot .scenario-icon-agriculture .leaf-right {
    right: 23px;
    top: 21px;
    transform: scaleX(-1) rotate(-28deg);
}

.page-iot .scenario-icon-agriculture .icon-stem {
    left: 39px;
    top: 25px;
    width: 2px;
    height: 26px;
    background: #0071e3;
}

.page-iot .scenario-icon-agriculture .icon-ground {
    left: 22px;
    bottom: 16px;
    width: 36px;
    height: 10px;
    border-top: 2px solid #0071e3;
    border-radius: 50%;
}

.page-iot .scenario-icon-agriculture .icon-sun {
    right: 14px;
    top: 14px;
    width: 12px;
    height: 12px;
    border: 2px solid #ffb300;
    border-radius: 50%;
    background: rgba(255, 179, 0, 0.16);
}

.page-iot .scenario-icon-office .icon-tower {
    bottom: 18px;
    border: 2px solid #0071e3;
    border-radius: 8px 8px 4px 4px;
    background: rgba(0, 113, 227, 0.05);
}

.page-iot .scenario-icon-office .tower-left {
    left: 18px;
    width: 18px;
    height: 34px;
}

.page-iot .scenario-icon-office .tower-right {
    right: 18px;
    width: 24px;
    height: 44px;
}

.page-iot .scenario-icon-office .icon-pane {
    width: 5px;
    height: 5px;
    background: rgba(0, 113, 227, 0.18);
    border: 1px solid #0071e3;
    border-radius: 2px;
}

.page-iot .scenario-icon-office .pane-1 {
    left: 24px;
    top: 31px;
}

.page-iot .scenario-icon-office .pane-2 {
    left: 24px;
    top: 42px;
}

.page-iot .scenario-icon-office .pane-3 {
    right: 26px;
    top: 26px;
}

.page-iot .scenario-icon-office .pane-4 {
    right: 26px;
    top: 38px;
}

.page-iot .scenario-icon-medical {
    border-radius: 50%;
}

.page-iot .scenario-icon-medical .icon-cross {
    background: #0071e3;
    border-radius: 999px;
}

.page-iot .scenario-icon-medical .cross-v {
    left: 37px;
    top: 20px;
    width: 6px;
    height: 40px;
}

.page-iot .scenario-icon-medical .cross-h {
    left: 20px;
    top: 37px;
    width: 40px;
    height: 6px;
}

.page-iot .scenario-icon-medical .icon-ring {
    inset: 14px;
    border: 2px solid rgba(0, 113, 227, 0.2);
    border-radius: 50%;
}

.page-iot .scenario-icon-medical .icon-dot {
    right: 16px;
    top: 16px;
    width: 8px;
    height: 8px;
    background: #00a0dc;
    border-radius: 50%;
}

.page-iot .scenario-icon-city .icon-skyline {
    bottom: 22px;
    border: 2px solid #0071e3;
    border-radius: 6px 6px 2px 2px;
    background: rgba(0, 113, 227, 0.05);
}

.page-iot .scenario-icon-city .skyline-left {
    left: 14px;
    width: 14px;
    height: 22px;
}

.page-iot .scenario-icon-city .skyline-mid {
    left: 31px;
    width: 18px;
    height: 34px;
}

.page-iot .scenario-icon-city .skyline-right {
    right: 14px;
    width: 12px;
    height: 28px;
}

.page-iot .scenario-icon-city .icon-road {
    left: 24px;
    bottom: 14px;
    width: 32px;
    height: 2px;
    background: #0071e3;
}

.page-iot .scenario-icon-city .icon-signal {
    border: 2px solid rgba(0, 160, 220, 0.8);
    border-bottom: none;
    border-left: none;
    border-radius: 0 10px 0 0;
}

.page-iot .scenario-icon-city .signal-1 {
    right: 12px;
    top: 12px;
    width: 12px;
    height: 12px;
}

.page-iot .scenario-icon-city .signal-2 {
    right: 9px;
    top: 9px;
    width: 18px;
    height: 18px;
}

.scenario-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    font-weight: 600;
}

.scenario-card p {
    color: var(--text-light);
    line-height: 1.6;
}

.page-ai .feature-card,
.page-ai .scenario-card,
.page-ai .advantage-item {
    border: 1px solid rgba(33, 150, 243, 0.08);
}

.page-ai .feature-card,
.page-ai .scenario-card {
    box-shadow: var(--shadow-sm);
}

.page-ai .section-header {
    max-width: 920px;
    margin: 0 auto;
    text-align: center;
}

.page-ai .section-header p {
    max-width: 760px;
    margin: 12px auto 0;
}

@media (min-width: 1200px) {
    .page-ai .features-section .section-header p,
    .page-ai .scenarios-section .section-header p {
        max-width: 1200px;
        white-space: nowrap;
    }
}

.page-ai .scenarios-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.page-ai .cta-content {
    max-width: 900px;
    margin: 0 auto;
}

/* 优势网格 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.advantage-item {
    position: relative;
    padding: 28px 26px 26px 76px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
}

.advantage-number {
    position: absolute;
    left: 24px;
    top: 24px;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-weight: bold;
    font-size: 18px;
}

/* Security Icon Variant */
.advantage-number.advantage-security {
    width: 44px;
    height: 44px;
    padding: 6px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.advantage-number.advantage-security object,
.advantage-number.advantage-security img {
    width: 100%;
    height: 100%;
    display: block;
    filter: brightness(0) invert(1);
    pointer-events: none;
}

.advantage-item h3 {
    font-size: 20px;
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.45;
}

.advantage-item p {
    color: var(--text-light);
    line-height: 1.75;
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 80px 20px;
    text-align: center;
    color: var(--bg-white);
}

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 16px;
    font-weight: 700;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.95;
}

.cta-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-top: 36px;
    text-align: left;
}

.cta-highlight-item {
    padding: 22px 24px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(8px);
}

.cta-highlight-label {
    display: block;
    margin-bottom: 10px;
    font-size: 14px;
    letter-spacing: 0.08em;
    opacity: 0.78;
}

.cta-highlight-item strong {
    display: block;
    font-size: 18px;
    line-height: 1.7;
    font-weight: 600;
    color: var(--bg-white);
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 产品详情卡片 */
.product-cards {
    margin-top: 40px;
}

.product-detail-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
    padding: 40px;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.product-detail-card.reverse {
    /* grid-template-columns: 1fr 1fr; */
}

.product-detail-card.reverse .product-image {
    order: 2;
}

.product-detail-card.reverse .product-content {
    order: 1;
}

.product-image {
    width: 100%;
    overflow: hidden;
    border-radius: 12px;
}

.product-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.product-detail-card:hover .product-image img {
    transform: scale(1.05);
}

.product-content h3 {
    font-size: 28px;
    margin-bottom: 16px;
    font-weight: 700;
    color: var(--text-dark);
}

.product-content > p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 24px;
    font-size: 16px;
}

.product-highlights {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 优势卡片 */
.advantage-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 16px;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.advantage-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    font-weight: 600;
    color: var(--text-dark);
}

.advantage-card p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 15px;
}

.page-iot .advantages-grid .advantage-card {
    position: relative;
    padding: 28px 26px 26px 84px !important;
}

.page-iot .advantages-grid .advantage-card .advantage-number {
    position: absolute !important;
    left: 24px !important;
    top: 24px !important;
    width: 40px !important;
    height: 40px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    opacity: 1 !important;
    visibility: visible !important;
    z-index: 3 !important;
    color: #ffffff !important;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;
    border-radius: 50% !important;
    font-weight: 700 !important;
    font-size: 18px !important;
    line-height: 1 !important;
}

.page-iot .advantages-grid .advantage-card h3,
.page-iot .advantages-grid .advantage-card p {
    position: relative;
    z-index: 2;
}

.page-iot .advantages-grid .advantage-card h3 {
    min-height: 40px;
    padding-top: 4px;
    line-height: 1.45;
}

.scenario-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

/* 技术参数网格 */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.spec-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.spec-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.spec-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.spec-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    display: block;
}

.medical-spec-icon {
    position: relative;
    width: 52px;
    height: 52px;
    margin: 0 auto;
}

.medical-spec-icon span {
    position: absolute;
    display: block;
    box-sizing: border-box;
}

.medical-spec-icon-frequency,
.medical-spec-icon-precision,
.medical-spec-icon-detection,
.medical-spec-icon-cooling,
.medical-spec-icon-certification,
.medical-spec-icon-power,
.medical-application-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.medical-spec-icon-frequency .spec-wave {
    border: 2px solid #1565c0;
    border-radius: 50%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.medical-spec-icon-frequency .wave-1 {
    width: 18px;
    height: 18px;
}

.medical-spec-icon-frequency .wave-2 {
    width: 32px;
    height: 32px;
    opacity: 0.7;
}

.medical-spec-icon-frequency .wave-3 {
    width: 46px;
    height: 46px;
    opacity: 0.35;
}

.medical-spec-icon-power .spec-bolt {
    left: 50%;
    top: 50%;
    width: 18px;
    height: 34px;
    background: #1565c0;
    clip-path: polygon(42% 0, 100% 0, 62% 42%, 100% 42%, 22% 100%, 42% 58%, 8% 58%);
    transform: translate(-50%, -50%);
}

.medical-spec-icon-precision .spec-target {
    border: 2px solid #1565c0;
    border-radius: 50%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.medical-spec-icon-precision .target-outer {
    width: 38px;
    height: 38px;
}

.medical-spec-icon-precision .target-inner {
    width: 18px;
    height: 18px;
}

.medical-spec-icon-precision .spec-target-dot {
    width: 6px;
    height: 6px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: #1565c0;
}

.medical-spec-icon-detection .spec-gauge {
    width: 32px;
    height: 16px;
    left: 50%;
    top: 50%;
    border: 2px solid #1565c0;
    border-bottom: none;
    border-radius: 20px 20px 0 0;
    transform: translate(-50%, -34%);
}

.medical-spec-icon-detection .spec-gauge-needle {
    width: 14px;
    height: 2px;
    left: 50%;
    top: 50%;
    background: #1565c0;
    transform: translate(-8%, 1px) rotate(-18deg);
    transform-origin: left center;
}

.medical-spec-icon-detection::before,
.medical-spec-icon-detection::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    display: block;
    box-sizing: border-box;
}

.medical-spec-icon-detection::before {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(21, 101, 192, 0.22);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.medical-spec-icon-detection::after {
    width: 6px;
    height: 6px;
    background: #1565c0;
    border-radius: 50%;
    transform: translate(-50%, 2px);
    box-shadow: 0 -14px 0 -2px rgba(21, 101, 192, 0.7), 14px 0 0 -2px rgba(21, 101, 192, 0.35), -14px 0 0 -2px rgba(21, 101, 192, 0.35);
}

.medical-spec-icon-cooling .spec-drop {
    width: 20px;
    height: 28px;
    left: 50%;
    top: 46%;
    background: #1565c0;
    border-radius: 50% 50% 60% 60%;
    clip-path: polygon(50% 0, 85% 32%, 100% 60%, 78% 100%, 22% 100%, 0 60%, 15% 32%);
    transform: translate(-50%, -50%);
}

.medical-spec-icon-cooling .spec-drop-wave {
    height: 2px;
    background: rgba(21, 101, 192, 0.82);
    border-radius: 999px;
    left: 50%;
    transform: translateX(-50%);
}

.medical-spec-icon-cooling .wave-1 {
    width: 24px;
    bottom: 10px;
}

.medical-spec-icon-cooling .wave-2 {
    width: 16px;
    bottom: 4px;
}

.medical-spec-icon-certification .spec-badge {
    width: 34px;
    height: 40px;
    left: 50%;
    top: 50%;
    border: 2px solid #1565c0;
    border-radius: 12px 12px 16px 16px;
    clip-path: polygon(50% 0, 100% 18%, 88% 78%, 50% 100%, 12% 78%, 0 18%);
    transform: translate(-50%, -50%);
}

.medical-spec-icon-certification .spec-badge-check {
    height: 2px;
    background: #1565c0;
    border-radius: 999px;
}

.medical-spec-icon-certification .line-1 {
    width: 8px;
    left: 19px;
    top: 29px;
    transform: rotate(42deg);
}

.medical-spec-icon-certification .line-2 {
    width: 14px;
    left: 24px;
    top: 26px;
    transform: rotate(-42deg);
}

.spec-card h3 {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 12px;
    font-weight: 500;
}

.spec-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.spec-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.5;
}

/* 应用场景网格 */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.application-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.application-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.application-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    display: block;
}

.medical-application-icon {
    position: relative;
    width: 52px;
    height: 52px;
    margin: 0 auto;
}

.medical-application-icon span {
    position: absolute;
    display: block;
    box-sizing: border-box;
}

.medical-application-icon-cardio .app-heart {
    width: 18px;
    height: 26px;
    top: 12px;
    border: 2px solid #c62828;
    border-bottom: none;
    border-radius: 18px 18px 0 0;
}

.medical-application-icon-cardio .left {
    left: 11px;
    transform: rotate(-45deg);
    transform-origin: bottom right;
}

.medical-application-icon-cardio .right {
    right: 11px;
    transform: rotate(45deg);
    transform-origin: bottom left;
}

.medical-application-icon-cardio .app-heart-beat {
    left: 11px;
    top: 29px;
    width: 30px;
    height: 2px;
    background: #c62828;
    clip-path: polygon(0 50%, 18% 50%, 28% 20%, 38% 80%, 50% 35%, 62% 50%, 100% 50%, 100% 70%, 58% 70%, 50% 56%, 38% 100%, 26% 40%, 16% 70%, 0 70%);
}

.medical-application-icon-neuro .app-brain {
    width: 34px;
    height: 28px;
    left: 50%;
    top: 50%;
    border: 2px solid #6a1b9a;
    border-radius: 18px;
    transform: translate(-50%, -50%);
}

.medical-application-icon-neuro .app-brain-line {
    width: 2px;
    background: #6a1b9a;
    border-radius: 999px;
}

.medical-application-icon-neuro .line-1 {
    height: 20px;
    left: 25px;
    top: 16px;
}

.medical-application-icon-neuro .line-2 {
    height: 14px;
    left: 18px;
    top: 19px;
}

.medical-application-icon-neuro .line-3 {
    height: 14px;
    left: 32px;
    top: 19px;
}

.medical-application-icon-general .app-scalpel {
    width: 30px;
    height: 2px;
    left: 50%;
    top: 50%;
    background: #455a64;
    transform: translate(-50%, -50%) rotate(-35deg);
}

.medical-application-icon-general .app-scalpel-handle {
    width: 10px;
    height: 16px;
    left: 50%;
    top: 50%;
    border: 2px solid #455a64;
    border-radius: 6px;
    transform: translate(2px, -15px) rotate(-35deg);
}

.medical-application-icon-gynecology .app-womb {
    width: 30px;
    height: 24px;
    left: 50%;
    top: 50%;
    border: 2px solid #d81b60;
    border-radius: 16px 16px 12px 12px;
    transform: translate(-50%, -50%);
}

.medical-application-icon-gynecology .app-womb::before,
.medical-application-icon-gynecology .app-womb::after {
    content: "";
    position: absolute;
    width: 10px;
    height: 2px;
    top: 8px;
    background: #d81b60;
}

.medical-application-icon-gynecology .app-womb::before {
    left: -10px;
}

.medical-application-icon-gynecology .app-womb::after {
    right: -10px;
}

.medical-application-icon-ent .app-ent-head {
    width: 26px;
    height: 30px;
    left: 50%;
    top: 50%;
    border: 2px solid #00838f;
    border-radius: 16px;
    transform: translate(-50%, -50%);
}

.medical-application-icon-ent .app-ent-ear {
    width: 8px;
    height: 12px;
    left: 10px;
    top: 18px;
    border: 2px solid #00838f;
    border-radius: 8px;
}

.medical-application-icon-ent .app-ent-nose {
    width: 2px;
    height: 14px;
    left: 25px;
    top: 18px;
    background: #00838f;
}

.medical-application-icon-orthopedics .app-bone {
    width: 14px;
    height: 14px;
    border: 2px solid #5d4037;
    border-radius: 50%;
    top: 18px;
}

.medical-application-icon-orthopedics .bone-left {
    left: 10px;
}

.medical-application-icon-orthopedics .bone-right {
    right: 10px;
}

.medical-application-icon-orthopedics .app-bone-link {
    width: 20px;
    height: 8px;
    left: 16px;
    top: 21px;
    border-top: 2px solid #5d4037;
    border-bottom: 2px solid #5d4037;
}

.application-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    font-weight: 600;
}

.application-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 对比表格 */
.comparison-table {
    margin-top: 40px;
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--bg-white);
    font-weight: 600;
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table .highlight {
    color: var(--primary-color);
    font-weight: 600;
}

.comparison-table tbody tr:hover {
    background: var(--bg-light);
}

/* 特性高亮区域 */
.feature-highlight {
    margin-top: 60px;
}

.highlight-content {
    background: var(--bg-white);
    padding: 20px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.highlight-content h3 {
    font-size: 28px;
    margin-bottom: 20px;
    text-align: center;
    color: var(--text-dark);
    font-weight: 700;
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.highlight-item {
    text-align: center;
    padding: 20px;
}

.highlight-icon {
    font-size: 22px;
    margin-bottom: 16px;
}

.highlight-item h4 {
    font-size: 18px;
    margin-bottom: 12px;
    font-weight: 600;
    color: var(--text-dark);
}

.highlight-item p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 14px;
}

/* 双频段与集成设计 - 横向卡片布局 */
.dual-feature-cards {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 30px;
}

.dual-feature-card {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 28px;
    background: var(--bg-white);
    border-radius: 16px;
    border: 2px solid var(--border-color);
    transition: all var(--transition-normal);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.dual-feature-card:hover {
    transform: translateX(8px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.dual-feature-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-radius: 16px;
    border: 2px solid rgba(33, 150, 243, 0.2);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.dual-feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    padding: 8px;
}

.dual-feature-card:hover .dual-feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, #2196f3 0%, #1976d2 100%);
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

.dual-feature-content {
    flex: 1;
    min-width: 0;
    text-align: left;
}

.dual-feature-content h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.4;
    text-align: left;
}

.dual-feature-content p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 15px;
    text-align: left;
    margin: 0;
}

/* 痛点对比区域 */
.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.pain-point-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 16px;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.pain-point-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.pain-icon {
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pain-icon img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    display: block;
}

.medical-pain-icon {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(239, 83, 80, 0.10), rgba(239, 83, 80, 0.18));
    border: 1px solid rgba(239, 83, 80, 0.18);
}

.medical-pain-icon span {
    position: absolute;
    display: block;
    box-sizing: border-box;
}

.medical-pain-icon-frequency .pain-wave {
    width: 10px;
    height: 18px;
    left: 50%;
    top: 50%;
    border: 2px solid #ef5350;
    border-radius: 999px;
    border-left: none;
    border-right: none;
}

.medical-pain-icon-frequency .wave-left {
    transform: translate(-13px, -50%);
}

.medical-pain-icon-frequency .wave-right {
    transform: translate(3px, -50%);
}

.medical-pain-icon-frequency .pain-slash {
    width: 16px;
    height: 2px;
    left: 50%;
    top: 50%;
    background: #ef5350;
    transform: translate(-50%, -50%) rotate(-28deg);
}

.medical-pain-icon-power .pain-gauge {
    width: 22px;
    height: 12px;
    left: 50%;
    top: 50%;
    border: 2px solid #ef5350;
    border-bottom: none;
    border-radius: 20px 20px 0 0;
    transform: translate(-50%, -20%);
}

.medical-pain-icon-power .pain-needle {
    width: 12px;
    height: 2px;
    left: 50%;
    top: 50%;
    background: #ef5350;
    transform: translate(-5%, 2px) rotate(28deg);
    transform-origin: left center;
}

.medical-pain-icon-power .pain-alert {
    width: 4px;
    height: 4px;
    right: 8px;
    top: 8px;
    border-radius: 50%;
    background: #ef5350;
}

.medical-pain-icon-volume .pain-box {
    width: 22px;
    height: 16px;
    left: 50%;
    top: 50%;
    border: 2px solid #ef5350;
    border-radius: 4px;
    transform: translate(-50%, -35%);
}

.medical-pain-icon-volume .pain-box-handle {
    width: 10px;
    height: 6px;
    left: 50%;
    top: 8px;
    border: 2px solid #ef5350;
    border-bottom: none;
    border-radius: 6px 6px 0 0;
    transform: translateX(-50%);
}

.medical-pain-icon-heat .pain-thermo {
    width: 6px;
    height: 18px;
    left: 14px;
    top: 9px;
    border: 2px solid #ef5350;
    border-radius: 999px;
    border-bottom: none;
}

.medical-pain-icon-heat .pain-thermo-bulb {
    width: 10px;
    height: 10px;
    left: 12px;
    bottom: 7px;
    border-radius: 50%;
    background: #ef5350;
}

.medical-pain-icon-heat .pain-heat-wave {
    width: 8px;
    height: 14px;
    border: 2px solid #ef5350;
    border-left: none;
    border-right: none;
    border-radius: 999px;
}

.medical-pain-icon-heat .wave-1 {
    right: 12px;
    top: 10px;
}

.medical-pain-icon-heat .wave-2 {
    right: 8px;
    top: 14px;
}

.medical-pain-icon-ui .pain-screen {
    width: 24px;
    height: 18px;
    left: 50%;
    top: 50%;
    border: 2px solid #ef5350;
    border-radius: 4px;
    transform: translate(-50%, -50%);
}

.medical-pain-icon-ui .pain-screen-line {
    height: 2px;
    left: 50%;
    background: #ef5350;
    transform: translateX(-50%);
}

.medical-pain-icon-ui .line-1 {
    width: 12px;
    top: 14px;
}

.medical-pain-icon-ui .line-2 {
    width: 8px;
    top: 20px;
}

.medical-pain-icon-ui .pain-screen-dot {
    width: 4px;
    height: 4px;
    right: 9px;
    bottom: 10px;
    border-radius: 50%;
    background: #ef5350;
}

.pain-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
}

.pain-card-header h3 {
    margin: 0;
    flex: 1;
}

.pain-point-card h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-dark);
    line-height: 1.45;
}

.pain-point-card p {
    color: var(--text-light);
    line-height: 1.75;
    margin: 0;
    font-size: 14px;
    opacity: 0.92;
}

.solution-tag {
    display: block;
    padding: 14px 18px;
    background: linear-gradient(135deg, #4caf50, #66bb6a);
    color: #ffffff;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    margin-top: auto;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
    transition: all var(--transition-normal);
    text-align: left;
    letter-spacing: 0.2px;
}

.pain-point-card:hover .solution-tag {
    background: linear-gradient(135deg, #43a047, #5cb860);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
    transform: scale(1.02);
}

/* 技术参数图标样式 */
.spec-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.spec-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    display: block;
}

.application-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.application-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    display: block;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 18px;
    margin-bottom: 16px;
    font-weight: 600;
}

.footer-col p {
    color: var(--text-light);
    line-height: 1.8;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul a {
    color: var(--text-light);
    transition: color var(--transition-fast);
}

.footer-col ul a:hover {
    color: var(--bg-white);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-light);
    font-size: 14px;
}

/* ========== 响应式设计 ========== */

/* 平板设备 */
@media (max-width: 1024px) {
    :root {
        --nav-height: 48px;
        --section-padding: 60px 20px;
    }
    
    .nav-menu {
        gap: 20px;
    }
    
    .medical-features {
        gap: 40px;
    }
}

/* 平板端响应式 */
@media (min-width: 769px) and (max-width: 1199px) {
    /* 医疗Hero布局 - 平板端调整 */
    .medical-hero-header {
        padding: 35px 20px 20px;
    }
    
    .medical-hero-header h2 {
        font-size: 34px;
        margin-bottom: 8px;
    }
    
    .medical-hero-header p {
        font-size: 15px;
    }
    
    .medical-hero-container {
        grid-template-columns: 45% 55%;
        height: 480px; /* 平板端高度 */
    }
    
    .medical-hero-content {
        padding: 30px 40px;
        height: 480px;
    }
    
    .medical-hero-image {
        height: 480px;
    }
    
    /* 平板端：feature-grid 改为单列 */
    .medical-hero-content .feature-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .medical-hero-content .feature-grid .feature-card {
        flex-direction: row;
        text-align: left;
        gap: 12px;
    }
    
    .medical-hero-content .feature-grid .feature-icon {
        width: 45px;
        height: 45px;
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .medical-hero-content .feature-grid .feature-card h3 {
        font-size: 14px;
    }
    
    .medical-hero-content .feature-grid .feature-card p {
        font-size: 12px;
    }
    
    /* 平板端：highlights 保持2列 */
    .medical-hero-content .medical-highlights {
        gap: 12px 15px;
    }
    
    .medical-hero-content .highlight-item h4 {
        font-size: 14px;
    }
    
    .medical-hero-content .highlight-item p {
        font-size: 12px;
    }
    
    .medical-hero-content .cta-section .btn-secondary {
        padding: 11px 30px;
        font-size: 14px;
    }
}

/* 移动设备 */
@media (max-width: 768px) {
    :root {
        --section-padding: 50px 20px;
    }

    .cta-banner > .container {
        padding-left: 0;
        padding-right: 0;
    }

    .features-section.detail-section > .container,
    .pain-points-section.detail-section > .container,
    .specs-section.detail-section > .container,
    .applications-section.detail-section > .container,
    .comparison-section.detail-section > .container,
    .products-section.detail-section > .container,
    .scenarios-section.detail-section > .container,
    .advantages-section.detail-section > .container {
        padding-left: 0;
        padding-right: 0;
    }
    
    .comparison-table {
        overflow-x: visible;
        margin-top: 28px;
    }

    .comparison-table table {
        table-layout: fixed;
        width: 100%;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 12px 8px;
        font-size: 12px;
        line-height: 1.45;
        word-break: break-word;
        overflow-wrap: anywhere;
    }

    .comparison-table th:first-child,
    .comparison-table td:first-child {
        width: 28%;
        font-weight: 600;
    }

    .comparison-table th:not(:first-child),
    .comparison-table td:not(:first-child) {
        width: 24%;
    }
    
    /* 移动端导航栏去除底部边框 */
    .navbar {
        border-bottom: none;
    }
    
    /* 移动端导航 */
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Logo 居左 */
    .nav-logo {
        position: relative;
        z-index: 1002;
    }
    
    /* 隐藏桌面端语言切换 */
    .lang-switcher.desktop-only {
        display: none;
    }
    
    /* 显示移动端语言切换 */
    .mobile-lang-switcher {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow-md);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
        display: none;
    }
    
    .nav-menu.active {
        max-height: 600px;
        display: flex;
    }
    
    .nav-item {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    /* 移动端语言切换项不需要下边框 */
    .nav-item.mobile-lang-switcher {
        border-bottom: none;
    }
    
    .nav-link {
        padding: 16px 0;
        line-height: 1.5;
    }
    
    /* 移动端当前页面样式 */
    .nav-link.active {
        background: var(--hover-bg);
        padding-left: 12px;
        padding-right: 12px;
        border-radius: 8px;
        margin: 0 -12px;
    }
    
    /* 移动端不显示底部横线 */
    .nav-link.active::after {
        display: none;
    }
    
    .dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        margin-top: 0;
        padding-left: 20px;
        background: var(--bg-light);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
    }
    
    .has-dropdown.active .dropdown-menu {
        max-height: 300px;
    }
    
    .lang-switcher {
        margin-left: 0;
        padding-top: 16px;
    }
    
    /* Hero Section */
    .hero-section {
        min-height: 500px;
    }
    
    /* 特性网格 */
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* 产品展示 */
    .product-showcase {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* 医疗设备 */
    .medical-features {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* 物联网Hero布局 - 移动端三层堆叠：标题 + 图片 + 内容 */
    .iot-hero-header {
        padding: 30px 20px 20px;
    }
    
    .iot-hero-header h2 {
        font-size: 26px;
        margin-bottom: 8px;
        line-height: 1.3;
    }
    
    .iot-hero-header p {
        font-size: 14px;
        line-height: 1.5;
        color: var(--text-secondary);
    }
    
    /* 移动端：容器改为单列垂直堆叠 */
    .iot-hero-container {
        display: flex;
        flex-direction: column;
        height: auto;
        width: 100%;
    }
    
    /* 移动端：左侧图片区域优化 */
    .iot-hero-image {
        order: 1; /* 内容前显示 */
        height: 280px;
        width: 100%;
        background-position: center center;
        background-size: cover;
        border-radius: 0;
    }
    
    /* 移动端：物联网内容区域优化 */
    .iot-hero-content {
        padding: 40px 24px;
        height: auto;
        order: 2; /* 图片后显示 */
        display: flex;
        flex-direction: column;
        gap: 36px;
        background: #ffffff;
    }
    
    /* 移动端：物联网特性列表 */
    .iot-highlights-simple {
        display: flex;
        flex-direction: column;
        gap: 32px;
    }
    
    /* 移动端：CTA 按钮优化 */
    .iot-hero-content .cta-section {
        text-align: center;
        width: 100%;
    }
    
    .iot-hero-content .cta-section .btn-secondary {
        padding: 14px 32px;
        font-size: 16px;
        font-weight: 500;
        width: auto;
        max-width: none;
        display: inline-block;
        box-sizing: border-box;
        border-radius: 980px;
        letter-spacing: -0.3px;
    }
    
    /* 医疗Hero布局 - 移动端三层堆叠：标题 + 图片 + 内容 */
    .medical-hero-header {
        padding: 30px 20px 20px;
    }
    
    .medical-hero-header h2 {
        font-size: 26px;
        margin-bottom: 8px;
        line-height: 1.3;
    }
    
    .medical-hero-header p {
        font-size: 14px;
        line-height: 1.5;
        color: var(--text-secondary);
    }
    
    /* 移动端：容器改为单列垂直堆叠 */
    .medical-hero-container {
        display: flex;
        flex-direction: column;
        height: auto;
        width: 100%;
    }
    
    /* 移动端：医疗内容区域优化 - 苹果风格 */
    .medical-hero-content {
        padding: 40px 24px;
        height: auto;
        order: 2; /* 图片后显示 */
        display: flex;
        flex-direction: column;
        gap: 36px; /* 保持较大间距 */
        background: #ffffff;
    }
    
    /* 移动端：精简版特性列表 - 苹果风格 */
    .medical-highlights-simple {
        display: flex;
        flex-direction: column;
        gap: 32px;
    }
    
    .highlight-item-simple {
        display: flex;
        align-items: flex-start;
        gap: 20px;
    }
    
    .highlight-number {
        font-size: 40px; /* 移动端缩小但仍然醒目 */
        font-weight: 700;
        color: #2196f3;
        line-height: 1;
        flex-shrink: 0;
        width: 70px;
        opacity: 0.15;
        letter-spacing: -1.5px;
    }
    
    .highlight-content {
        flex: 1;
    }
    
    .highlight-content h3 {
        font-size: 19px; /* 移动端适当缩小 */
        font-weight: 600;
        color: #1d1d1f;
        margin-bottom: 8px;
        line-height: 1.3;
        letter-spacing: -0.4px;
    }
    
    .highlight-content p {
        font-size: 15px; /* 移动端适当缩小 */
        color: #6e6e73;
        line-height: 1.5;
        margin: 0;
        letter-spacing: -0.2px;

    }
    
    /* 移动端：CTA 按钮优化 - 苹果风格 */
    .medical-hero-content .cta-section {
        text-align: center;
        width: 100%;
    }
    
    .medical-hero-content .cta-section .btn-secondary {
        padding: 14px 32px; /* 与默认按钮大小一致 */
        font-size: 16px;
        font-weight: 500;
        width: auto; /* 改为自适应宽度 */
        max-width: none; /* 移除最大宽度限制 */
        display: inline-block;
        box-sizing: border-box;
        border-radius: 980px;
        letter-spacing: -0.3px;
    }
    
    /* 移动端：右侧图片区域优化 */
    .medical-hero-image {
        order: 1; /* 内容前显示 */
        height: 280px;
        width: 100%;
        background-position: center center;
        background-size: cover;
        border-radius: 0;
    }
    
    /* 产品详情卡片 - 移动端竖向布局 */
    .product-detail-card {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 30px 20px;
        margin-bottom: 40px;
    }
    
    /* 移动端统一布局顺序：图片在上，内容在下 */
    .product-detail-card .product-image {
        order: 1 !important;
    }
    
    .product-detail-card .product-content {
        order: 2 !important;
    }
    
    /* 覆盖桌面端reverse类的order设置 */
    .product-detail-card.reverse .product-image {
        order: 1 !important;
    }
    
    .product-detail-card.reverse .product-content {
        order: 2 !important;
    }
    
    .product-content h3 {
        font-size: 24px;
    }

    .page-iot .feature-card {
        padding: 32px 22px;
    }

    .page-iot .feature-icon {
        width: 72px;
        height: 72px;
        margin: 0 auto 20px;
    }

    .page-iot .iot-feature-icon-connect .iot-icon-node {
        width: 9px;
        height: 9px;
    }

    .page-iot .iot-feature-icon-connect .iot-icon-hub {
        width: 16px;
        height: 16px;
        left: 28px;
        top: 28px;
    }

    .page-iot .iot-feature-icon-connect .node-left {
        left: 12px;
        top: 31px;
    }

    .page-iot .iot-feature-icon-connect .node-top {
        left: 31px;
        top: 13px;
    }

    .page-iot .iot-feature-icon-connect .node-right {
        right: 12px;
        top: 31px;
    }

    .page-iot .iot-feature-icon-connect .link-left {
        left: 21px;
        top: 35px;
        width: 14px;
    }

    .page-iot .iot-feature-icon-connect .link-top {
        left: 35px;
        top: 22px;
        height: 10px;
    }

    .page-iot .iot-feature-icon-connect .link-right {
        right: 21px;
        top: 35px;
        width: 14px;
    }

    .page-iot .iot-feature-icon-sensor .wave-1 {
        width: 24px;
        height: 24px;
    }

    .page-iot .iot-feature-icon-sensor .wave-2 {
        width: 36px;
        height: 36px;
    }

    .page-iot .iot-feature-icon-sensor .wave-3 {
        width: 48px;
        height: 48px;
    }

    .page-iot .iot-feature-icon-control .iot-icon-panel {
        inset: 14px;
        border-radius: 10px;
    }

    .page-iot .iot-feature-icon-control .iot-icon-slider {
        left: 22px;
        width: 28px;
    }

    .page-iot .iot-feature-icon-control .slider-top {
        top: 23px;
    }

    .page-iot .iot-feature-icon-control .slider-mid {
        top: 35px;
    }

    .page-iot .iot-feature-icon-control .slider-bottom {
        top: 47px;
    }

    .page-iot .iot-feature-icon-control .knob-top {
        left: 27px;
        top: 18px;
    }

    .page-iot .iot-feature-icon-control .knob-mid {
        left: 39px;
        top: 30px;
    }

    .page-iot .iot-feature-icon-control .knob-bottom {
        left: 33px;
        top: 42px;
    }

    .page-iot .iot-feature-icon-security .iot-icon-shield {
        width: 34px;
        height: 40px;
        left: 17px;
        top: 14px;
        border-radius: 12px 12px 16px 16px;
    }

    .page-iot .iot-feature-icon-security .iot-icon-shield-inner {
        width: 22px;
        height: 26px;
        left: 23px;
        top: 21px;
    }

    .page-iot .iot-feature-icon-security .iot-icon-lock {
        width: 14px;
        height: 10px;
        left: 27px;
        top: 33px;
    }

    .page-iot .iot-feature-icon-security .iot-icon-lock-bar {
        width: 9px;
        height: 7px;
        left: 29px;
        top: 26px;
    }

    .page-iot .iot-feature-icon-security .iot-icon-lock-dot {
        left: 32px;
        top: 37px;
    }
    
    /* 优势卡片 */
    .advantage-card {
        padding: 24px;
    }

    .page-iot .advantages-grid .advantage-card {
        padding: 24px 22px 22px 78px !important;
    }
    
    .advantage-card h3 {
        font-size: 20px;
    }
    
    /* 应用场景卡片 */
    .scenarios-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-ai .scenario-card {
        padding: 24px 20px;
    }

    .page-ai .scenario-icon {
        width: 72px;
        height: 72px;
        margin: 0 auto 18px;
    }

    .page-ai .scenario-icon[class*="scenario-icon-"] {
        border-radius: 20px;
    }

    .page-ai .scenario-icon-dashboard .icon-frame {
        inset: 12px;
        border-radius: 10px;
    }

    .page-ai .scenario-icon-dashboard .bar-1 {
        left: 22px;
        height: 16px;
    }

    .page-ai .scenario-icon-dashboard .bar-2 {
        left: 33px;
        height: 24px;
    }

    .page-ai .scenario-icon-dashboard .bar-3 {
        left: 44px;
        height: 11px;
    }

    .page-ai .scenario-icon-dashboard .icon-line {
        left: 21px;
        top: 24px;
        width: 26px;
    }

    .page-ai .scenario-icon-docs .page-back {
        left: 17px;
        top: 20px;
    }

    .page-ai .scenario-icon-docs .page-front {
        left: 27px;
        top: 14px;
    }

    .page-ai .scenario-icon-docs .icon-page-line {
        left: 34px;
    }

    .page-ai .scenario-icon-radar .circle-outer,
    .page-ai .scenario-icon-radar .circle-inner,
    .page-ai .scenario-icon-radar .axis-h,
    .page-ai .scenario-icon-radar .axis-v {
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
    }

    .page-ai .scenario-icon-radar .circle-outer {
        width: 44px;
        height: 44px;
    }

    .page-ai .scenario-icon-radar .circle-inner {
        width: 22px;
        height: 22px;
    }

    .page-ai .scenario-icon-radar .axis-h {
        width: 38px;
        height: 2px;
    }

    .page-ai .scenario-icon-radar .axis-v {
        width: 2px;
        height: 38px;
    }

    .page-ai .scenario-icon-radar .icon-ping {
        top: 20px;
        right: 18px;
    }

    .page-ai .scenario-icon-knowledge .icon-book {
        left: 17px;
        top: 16px;
        width: 28px;
        height: 36px;
    }

    .page-ai .scenario-icon-knowledge .icon-book-line {
        left: 27px;
    }

    .page-ai .scenario-icon-knowledge .line-top {
        top: 25px;
    }

    .page-ai .scenario-icon-knowledge .line-mid {
        top: 31px;
    }

    .page-ai .scenario-icon-knowledge .line-bottom {
        top: 37px;
    }

    .page-ai .scenario-icon-knowledge .icon-search {
        right: 14px;
        bottom: 14px;
    }

    .page-ai .scenario-icon-connect .node-left {
        left: 13px;
        top: 32px;
    }

    .page-ai .scenario-icon-connect .node-center {
        left: 50%;
        top: 15px;
        transform: translateX(-50%);
    }

    .page-ai .scenario-icon-connect .node-right {
        right: 13px;
        bottom: 17px;
    }

    .page-ai .scenario-icon-connect .link-left {
        left: 21px;
        top: 31px;
        width: 18px;
    }

    .page-ai .scenario-icon-connect .link-right {
        right: 21px;
        top: 36px;
        width: 18px;
    }

    .page-ai .scenario-icon-video .icon-screen {
        left: 15px;
        top: 19px;
        width: 40px;
        height: 26px;
    }

    .page-ai .scenario-icon-video .icon-lens {
        left: 28px;
        top: 26px;
        width: 14px;
        height: 14px;
    }

    .page-ai .scenario-icon-video .icon-rec {
        right: 13px;
        top: 13px;
    }

    .page-ai .scenario-icon-memory .icon-core {
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
    }

    .page-ai .scenario-icon-memory .branch-1 {
        width: 14px;
        top: 26px;
        left: 17px;
    }

    .page-ai .scenario-icon-memory .branch-2 {
        width: 14px;
        top: 44px;
        left: 17px;
    }

    .page-ai .scenario-icon-memory .branch-3 {
        width: 14px;
        top: 26px;
        right: 17px;
    }

    .page-ai .scenario-icon-memory .branch-4 {
        width: 14px;
        top: 44px;
        right: 17px;
    }
    
    /* 优势网格 */
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .page-ai .advantage-item {
        padding: 22px 20px 20px;
    }

    .page-ai .advantage-number {
        position: relative;
        left: auto;
        top: auto;
        margin: 0 0 14px;
    }

    .page-ai .advantage-item h3 {
        margin-bottom: 10px;
    }

    .page-ai .advantage-item p {
        margin: 0;
    }

    .advantage-card p {
        color: var(--text-light);
        line-height: 1.8;
        font-size: 15px;
    }

    .page-iot .advantages-grid .advantage-card {
        padding: 22px 20px 20px !important;
    }

    .page-iot .advantages-grid .advantage-card .advantage-number {
        position: relative !important;
        left: auto !important;
        top: auto !important;
        margin: 0 0 14px !important;
    }

    .page-iot .advantages-grid .advantage-card h3 {
        min-height: 0;
        padding-top: 0;
        margin-bottom: 10px;
    }

    .page-iot .advantages-grid .advantage-card p {
        margin: 0;
    }
    
    /* 痛点对比区域 - 移动端优化 */
    .pain-points-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .pain-point-card {
        padding: 24px 20px;
    }
    
    .pain-icon {
        font-size: 20px;
        margin-bottom: 10px;
    }
    
    .pain-icon img {
        width: 20px;
        height: 20px;
    }
    
    .pain-point-card h3 {
        font-size: 16px;
        margin-bottom: 8px;
    }
    
    .pain-point-card p {
        font-size: 13px;
        margin-bottom: 16px;
    }
    
    .solution-tag {
        padding: 14px 16px;
        font-size: 14px;
        border-radius: 10px;
    }
    
    /* 双频段卡片 - 移动端竖向布局 */
    .dual-feature-card {
        flex-direction: column;
        gap: 16px;
        padding: 20px;
    }
    
    .dual-feature-icon {
        width: 56px;
        height: 56px;
        font-size: 28px;
    }
    
    .dual-feature-icon img {
        padding: 6px;
    }
    
    .dual-feature-content h4 {
        font-size: 18px;
    }
    
    .dual-feature-content p {
        font-size: 14px;
    }
    
    /* 移动端图标尺寸调整 */
    .spec-icon {
        font-size: 40px;
    }
    
    .spec-icon img {
        width: 40px;
        height: 40px;
    }
    
    .application-icon {
        font-size: 40px;
    }
    
    .application-icon img {
        width: 40px;
        height: 40px;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 12px 24px;
        font-size: 14px;
    }
}

/* ========== 打印样式 ========== */
@media print {
    .navbar,
    .lang-switcher,
    .mobile-menu-toggle,
    .hero-visual,
    .cta-section {
        display: none;
    }
    
    .hero-section {
        height: auto;
        min-height: 0;
        margin-top: 0;
    }
}

/* ========== 动画增强 ========== */

/* 页面加载动画 */
body:not(.page-loaded) {
    overflow: hidden;
}

/* 元素渐入动画 */
.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* 延迟动画 */
.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }

.product-item:nth-child(1) { animation-delay: 0.1s; }
.product-item:nth-child(2) { animation-delay: 0.2s; }
.product-item:nth-child(3) { animation-delay: 0.3s; }

.highlight-item:nth-child(1) { animation-delay: 0.1s; }
.highlight-item:nth-child(2) { animation-delay: 0.2s; }
.highlight-item:nth-child(3) { animation-delay: 0.3s; }
.highlight-item:nth-child(4) { animation-delay: 0.4s; }

/* 双频段卡片动画 */
.dual-feature-card:nth-child(1) { animation-delay: 0.1s; }
.dual-feature-card:nth-child(2) { animation-delay: 0.2s; }
.dual-feature-card:nth-child(3) { animation-delay: 0.3s; }

/* 减少动画（可访问性） */
.reduce-motion *,
.reduce-motion *::before,
.reduce-motion *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
}

/* 加载状态 */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
}

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

/* 脉动动画 */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* 错误状态 */
.error-message {
    color: #d32f2f;
    font-size: 14px;
    margin-top: 8px;
    display: none;
}

.error-message.show {
    display: block;
    animation: fadeInUp 0.3s ease;
}

/* 成功状态 */
.success-message {
    color: #388e3c;
    font-size: 14px;
    margin-top: 8px;
    display: none;
}

.success-message.show {
    display: block;
    animation: fadeInUp 0.3s ease;
}

/* ==================== 产品展示区域 ==================== */
.products-showcase-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
}

/* ==================== 默认产品卡片样式 ==================== */
.product-showcase-card {
    background: #ffffff; /* 默认白色背景 */
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

/* ==================== AI大模型展示区域 ==================== */
.ai-showcase-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.ai-showcase-section .section-header h2,
.ai-showcase-section .section-header p {
    color: #ffffff;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 0 auto;
    padding: 0 20px;
}

.product-showcase-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.product-showcase-content {
    padding: 40px 40px 30px;
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* 移除固定背景色，使用特定类型的背景色 */
}

.product-showcase-content h3 {
    font-size: 32px;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.product-showcase-content p {
    font-size: 17px;
    color: #86868b;
    line-height: 1.5;
    margin-bottom: 24px;
    max-width: 320px;
}

.btn-product {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: #0071e3;
    color: #ffffff;
    text-decoration: none;
    border-radius: 980px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-top: auto;
}

.btn-product:hover {
    background: #0077ed;
    transform: scale(1.02);
}

.product-showcase-image {
    width: 100%;
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* 移除固定背景色，让图片部分继承父卡片的背景色 */
    padding-top: 0px;
}

.product-showcase-image img {
    max-width: 80%;
    max-height: 350px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.product-showcase-card:hover .product-showcase-image img {
    transform: scale(1.05);
}

/* ==================== 产品卡片背景色方案 ==================== */

/* AI大模型卡片背景色 */
.product-showcase-card.ai-card.ai-product-bg-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.product-showcase-card.ai-card.ai-product-bg-2 {
    background: linear-gradient(135deg, #2193b0 0%, #6dd5ed 100%);
}

/* 物联网卡片背景色 */
.product-showcase-card.iot-card.iot-product-bg-1 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.product-showcase-card.iot-card.iot-product-bg-2 {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.product-showcase-card.iot-card.iot-product-bg-3 {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.product-showcase-card.iot-card.iot-product-bg-4 {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.product-showcase-card.iot-card.iot-product-bg-5 {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
}

.product-showcase-card.iot-card.iot-product-bg-6 {
    background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
}

/* 医疗设备卡片背景色 */
.product-showcase-card.medical-card.medical-product-bg-1 {
    background: linear-gradient(135deg, #d4fc79 0%, #96e6a1 100%);
}

.product-showcase-card.medical-card.medical-product-bg-2 {
    background: linear-gradient(135deg, #89f7fe 0%, #66a6ff 100%);
}

/* 卡片内容区域和图片区域统一背景色 */
.product-showcase-card.ai-card .product-showcase-content.ai-style,
.product-showcase-card.ai-card .product-showcase-image {
    background: rgba(255, 255, 255, 0.92);
}

.product-showcase-card.ai-card .product-showcase-content.ai-style p {
    max-width: 500px;
}

.product-showcase-card.medical-card .product-showcase-content.medical-style p {
    max-width: 500px;
}

.product-showcase-card.iot-card .product-showcase-content.iot-style,
.product-showcase-card.iot-card .product-showcase-image {
    background: rgba(255, 255, 255, 0.9);
}

.product-showcase-card.medical-card .product-showcase-content.medical-style,
.product-showcase-card.medical-card .product-showcase-image {
    background: rgba(255, 255, 255, 0.95);
}

/* 卡片悬停效果增强 */
.product-showcase-card.ai-card:hover {
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.3);
}

.product-showcase-card.iot-card:hover {
    box-shadow: 0 15px 35px rgba(79, 172, 254, 0.25);
}

.product-showcase-card.medical-card:hover {
    box-shadow: 0 15px 35px rgba(137, 247, 254, 0.3);
}

/* 响应式适配 */
@media (max-width: 1024px) {
    .products-grid {
        gap: 20px;
        padding: 0 20px;
    }
    
    .product-showcase-content {
        padding: 30px 25px 25px;
    }
    
    .product-showcase-content h3 {
        font-size: 28px;
    }
    
    .product-showcase-content p {
        font-size: 15px;
    }
    
    .product-showcase-image {
        padding: 30px;
    }
    
    .product-showcase-image img {
        max-height: 300px;
    }
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 16px;
    }
    
    .products-showcase-section {
        padding: 60px 0;
    }
    
    .product-showcase-content h3 {
        font-size: 24px;
    }
    
    .product-showcase-image {
        padding: 20px;
    }
    
    .product-showcase-image img {
        max-height: 250px;
    }
}