/* Japan Cell Technology - 优化版样式文件 */

/* 变量定义 */
:root {
  /* Color Palette */
  --primary-blue: #1a365d;
  --primary-cyan: #0891b2;
  --primary-yellow: #f59e0b;
  --gradient-start: #0ea5e9;
  --gradient-middle: #06b6d4;
  --gradient-end: #fbbf24;
  --light-teal: #22d3ee;
  --soft-peach: #fcd34d;

  /* Extended Color Palette */
  --secondary-blue: #2563eb;
  --accent-cyan: #22d3ee;
  --accent-yellow: #fcd34d;
  --text-dark: #1f2937;
  --text-medium: #4b5563;
  --text-light: #6b7280;
  --bg-white: #ffffff;
  --bg-light: #f8fafc;
  --bg-medium: #e2e8f0;
  --border-light: #e5e7eb;
  --border-medium: #d1d5db;

  /* Typography */
  --font-size-xs: 0.7rem;
  /* 从 0.75rem 改为 0.7rem */
  --font-size-sm: 0.75rem;
  /* 从 0.85rem 改为 0.75rem */
  --font-size-base: 0.9rem;
  /* 从 1rem 改为 0.9rem */
  --font-size-lg: 1rem;
  /* 从 1.125rem 改为 1rem */
  --font-size-xl: 1.05rem;
  /* 从 1.15rem 改为 1.05rem */
  --font-size-2xl: 1.35rem;
  /* 从 1.5rem 改为 1.35rem */
  --font-size-3xl: 1.65rem;
  /* 从 1.875rem 改为 1.65rem */
  --font-size-4xl: 2rem;
  /* 从 2.25rem 改为 2rem */
  --font-size-5xl: 2.7rem;
  /* 从 3rem 改为 2.7rem */
  --font-size-6xl: 3.4rem;
  /* 从 3.75rem 改为 3.4rem */

  /* Spacing Scale */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.4rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 2.6rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Animation Variables */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Layout Variables */
  --container-max-width: 1200px;
  --header-height: 100px;
}

/* Base Styles & Typography */
* {
  padding: 0;
  box-sizing: border-box;
  line-height: inherit;
  font-size: inherit;
}

html {
  scroll-behavior: smooth;
  font-size: 14px;
}

body {
  max-width: 1920px;
  margin: 0 auto;
  overflow-x: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  font-size: var(--font-size-base);
}

/* 统一行距设置 */
p {
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  font-size: 0.95rem;
  /* 👈 添加这一行，14.4px */
}

li {
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

/* 容器设置 */
.section-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-2xl);
  width: 100%;
  box-sizing: border-box;
}

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Lora", Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  color: var(--primary-blue);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
}

ul,
ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

/* Hero Section */
.hero-section {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-middle) 50%, var(--gradient-end) 100%);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

/* 优化视频背景 */
.video-layer {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translateX(-50%) translateY(-50%);
  object-fit: cover;
  z-index: 1;
  filter: brightness(0.8) contrast(1.1);
  transition: opacity 0.8s ease-in-out;
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  perspective: 1000px;
  -webkit-perspective: 1000px;
  opacity: 1;
  -webkit-playsinline: true;
}

.video-layer.active {
  opacity: 1;
  z-index: 2;
}

.video-layer.fading-out {
  opacity: 0;
  z-index: 1;
}

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.7) 0%, rgba(6, 182, 212, 0.7) 50%, rgba(251, 191, 36, 0.7) 100%);
  z-index: 3;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  color: white;
  max-width: 800px;
  padding: 0 var(--spacing-md);
}

.hero-title {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
  animation: heroFadeInUp 1s ease-out;
  color: white;
  line-height: 1.3;
}

.hero-subtitle,
.hero-subtitle-en {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.2);
  line-height: 1.6;
}

.hero-subtitle-en {
  margin-bottom: var(--spacing-2xl);
  color: rgba(255, 255, 255, 0.8);
  font-style: italic;
  animation: heroFadeInUp 1s ease-out 0.6s both;
  line-height: 1.6;
}

.hero-subtitle {
  animation: heroFadeInUp 1s ease-out 0.3s both;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  animation: heroFadeInUp 1s ease-out 0.9s both;
  width: 100%;
}

@keyframes heroFadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Navigation */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  z-index: 1000;
  transition: var(--transition-fast);
  line-height: 1.6;
  box-sizing: border-box;
  height: var(--header-height);
  display: flex;
  align-items: center;
  will-change: background-color;
  padding-top: calc(env(safe-area-inset-top) + 5px);
}

.main-nav.scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(15px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
  max-width: var(--container-max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-text p {
  margin: 0;
  line-height: 1.3;
}

.nav-text p:last-child {
  font-size: var(--font-size-sm);
  color: var(--primary-cyan);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 15px;
  margin: 0;
  padding: 0;
}

.nav-menu li {
  margin: 0;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  padding: 8px 10px;
  border-bottom: 2px solid transparent;
  transition: var(--transition-fast);
  position: relative;
  font-size: 14px;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary-cyan);
  border-bottom-color: var(--primary-cyan);
}

/* Mobile Menu Toggle */
/* 修复汉堡包菜单动画 */
.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1100;
  padding: 10px;
  position: relative;
}

/* 使用单个span元素创建三条线 */
.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--primary-blue);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
}

/* 伪元素创建另外两条线 */
.mobile-menu-toggle span::before,
.mobile-menu-toggle span::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--primary-blue);
  left: 0;
  transition: all 0.3s ease;
}

.mobile-menu-toggle span::before {
  top: -8px;
}

.mobile-menu-toggle span::after {
  top: 8px;
}

/* 打叉动画 - 修复版 */
.mobile-menu-toggle.active span {
  background-color: transparent;
}

.mobile-menu-toggle.active span::before {
  transform: rotate(45deg);
  top: 0;
}

.mobile-menu-toggle.active span::after {
  transform: rotate(-45deg);
  top: 0;
}

/* Button Styles */
.vision-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

.cta-button {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  border: 1px solid transparent;
  transition: var(--transition-base);
  cursor: pointer;
  font-size: var(--font-size-base);
}

.cta-button:not(.secondary) {
  background: white;
  color: #193A61;
  border: double 2px transparent;
  background-image: linear-gradient(white, white), linear-gradient(45deg, rgba(10, 121, 170, 0.3), rgba(251, 191, 36, 0.8));
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

.cta-button:not(.secondary):hover {
  background: rgba(255, 255, 255, 0.7);
  color: #0A79AA;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.cta-button.secondary {
  background-color: transparent;
  color: white;
  border-color: white;
}

.cta-button.secondary:hover {
  background-color: white;
  color: var(--primary-blue);
  transform: translateY(-2px);
}

/* Section Styles */
.section-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
  text-align: center;
  position: relative;
  display: block;
  width: 100%;
  line-height: 1.5;
  padding-bottom: 1.5rem;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0.5rem;
  transform: translateX(-50%);
  width: 120px;
  height: 4px;
  background: linear-gradient(90deg, var(--light-teal), var(--soft-peach));
  transition: all 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
  opacity: 0;
}

.section-title.is-visible::after {
  opacity: 1;
  transform: translateX(-50%) scaleX(1);
}

/* Vision Content */
.vision-content {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
  margin-top: var(--spacing-2xl);
}

.vision-image {
  height: auto;
  /* 容器高度自动，不限制 */
  display: flex;
  align-items: flex-start;
  /* 改为 flex-start，让内容从上开始 */
}

.vision-image img {
  width: 100%;
  /* 图片宽度80% */
  height: auto;
  /* 高度自动按比例 */
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  margin: 0 auto;
  /* 居中显示 */
}

/* Expandable Content */
.expandable-content {
  margin-bottom: var(--spacing-lg);
}

.content-summary,
.content-full {
  line-height: 1.8;
}

.content-full {
  margin-top: var(--spacing-md);
}

.toggle-btn {
  background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-blue));
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
  margin-top: var(--spacing-md);
  display: inline-block;
}

.toggle-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(34, 211, 238, 0.3);
}

/* Social Mission Section */
.social-mission,
.technology-section,
.products-section,
.effects-section,
.competitiveness-section,
.research-section,
.medical-institutions-section {
  background: linear-gradient(135deg, rgba(248, 250, 252, 1) 0%, rgba(236, 254, 255, 1) 50%, rgba(254, 252, 232, 1) 100%);
}

.mission-intro,
.research-intro,
.medical-intro,
.contact-intro {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--text-medium);
  margin-bottom: var(--spacing-xl);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.mission-item {
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.mission-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-yellow));
}

.mission-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.mission-item h3 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-xl);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.mission-icon {
  display: block;
  margin-bottom: 25px;
  height: 65px;
  flex-shrink: 0;
}

.mission-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  margin-bottom: 25px;
}

.mission-item p {
  line-height: 1.5;
}

/* Technology Section */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-xl);
}

.tech-card {
  background: var(--bg-white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
}

.tech-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.tech-card h3 {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-cyan));
  color: #fbbf24;
  padding: var(--spacing-md) var(--spacing-xl);
  margin: 0;
  font-size: var(--font-size-lg);
  line-height: 1.5;
  min-height: auto;
  border-radius: 20px 20px 0 0;
}

.tech-card .content-full {
  padding: var(--spacing-sm) var(--spacing-xl);
  ;
  line-height: 1.8;
}

.tech-card img {
  width: calc(100% - 2 * var(--spacing-xl));
  margin: var(--spacing-xl) var(--spacing-xl) 0 var(--spacing-xl);
  height: 300px;
  object-fit: cover;
  border-radius: 8px;
}

/* Products Section */
.product-line-title {
  text-align: center;
  color: var(--text-dark) !important;
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-2xl);
  line-height: 1.5;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.product-card {
  background: var(--bg-white);
  border-radius: 20px;
  padding: var(--spacing-xl);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-yellow));
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.product-card h4 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
  margin-top: -5px !important;
  line-height: 1.2 !important;
}



.product-card img {
  width: 100%;
  margin: 0 0 var(--spacing-lg) 0;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  transition: transform 0.3s ease;
}

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

.product-reading {
  font-size: var(--font-size-sm);
  color: var(--text-medium);
  font-weight: normal;
}

.product-category,
.product-method {
  border-radius: 20px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  display: inline-block;
}

.product-category {
  background: rgba(34, 211, 238, 0.1);
  color: var(--primary-cyan);
  margin-bottom: var(--spacing-lg);
  padding: 5px 5px !important;
  border-radius: 8px !important;
}

.product-method {
  background: rgba(37, 99, 235, 0.1);
  color: var(--secondary-blue);
  margin-bottom: var(--spacing-lg);
  padding: 5px 5px !important;
  border-radius: 8px !important;
  /* 可选：轻微圆角让视觉效果更好 */
}

.products-status {
  display: block;
  width: fit-content;
  background: linear-gradient(135deg, var(--primary-yellow), var(--accent-yellow));
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 20px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.product-description {
  line-height: 1.8;
}

.disclaimer-content {
  background: rgba(239, 68, 68, 0.05);
  padding: var(--spacing-lg);
  border-radius: 12px;
  border-left: 4px solid #ef4444;
  color: var(--text-medium);
  font-size: var(--font-size-sm);
  line-height: 1.8;
}

.cta-section {
  text-align: center;
  margin-top: var(--spacing-md);
}

/* Effects Section */
.effects-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.effect-item {
  background: var(--bg-white);
  padding: var(--spacing-2xl);
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-areas: "number title" "description description";
  grid-template-columns: auto 1fr;
  gap: var(--spacing-md) var(--spacing-lg);
}

.effect-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-yellow));
  border-radius: 16px 16px 0 0;
}

.effect-item .advantage-number {
  grid-area: number;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-yellow));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(34, 211, 238, 0.3);
}

.effect-item h4 {
  grid-area: title;
  color: var(--primary-blue);
  font-size: var(--font-size-xl);
  margin: 0;
  align-self: center;
}

.effect-item p {
  grid-area: description;
  margin: 0;
  color: var(--text-dark);
  line-height: 1.5;
}

/* Academic References Section */
.academic-references,
.components-section {
  background: linear-gradient(135deg, rgba(240, 248, 255, 1) 0%, rgba(230, 250, 255, 1) 50%, rgba(250, 248, 235, 1) 100%);
}

.references-tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.tab-button {
  background: transparent;
  border: 2px solid var(--primary-cyan);
  color: var(--primary-cyan);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
}

.tab-button.active,
.tab-button:hover {
  background: var(--primary-cyan);
  color: white;
}

.tab-content {
  display: none;
}

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

.reference-list {
  list-style: none;
  padding: 0;
  max-width: 1200px;
  margin: 0 auto;
}

.reference-list li {
  background: var(--bg-white);
  margin-bottom: 1;
  padding: var(--spacing-lg);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  border-left: 4px solid var(--primary-cyan);
  line-height: 1.0;
}

.reference-list small {
  display: block;
  margin-top: var(--spacing-sm);
  color: var(--text-medium);
  font-style: italic;
  line-height: 1.6;
}

/* Components Section */
.components-grid {
  display: grid;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.component-category {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: 16px;
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.component-category h3 {
  color: var(--primary-blue);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--primary-cyan);
  line-height: 1.5;
}

.component-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.component-item {
  background: rgba(248, 250, 252, 0.5);
  padding: var(--spacing-lg);
  border-radius: 12px;
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
}

.component-item:hover {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.component-item h4 {
  color: var(--primary-cyan);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
  line-height: 1.5;
}

.component-item p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

.component-item strong {
  color: var(--primary-blue);
}

/* Clinical Effects */
.clinical-effects {
  margin-top: var(--spacing-2xl);
  background: rgba(255, 231, 252, 0.3);
  padding: var(--spacing-md)var(--spacing-2xl);
  border-radius: 16px;
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.clinical-effects h3 {
  color: var(--primary-blue);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-2xl);
}

.enhanced-effects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.enhanced-effect-area {
  padding: var(--spacing-lg) var(--spacing-lg);
  position: relative;
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(34, 211, 238, 0.2);
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  background: linear-gradient(135deg, var(--primary-blue), #2c5282);
  border-radius: 12px;
  overflow: hidden;
}

.enhanced-effect-area:nth-child(2n) {
  border-right: none;
}

.enhanced-effect-area:nth-child(3),
.enhanced-effect-area:nth-child(4) {
  border-bottom: none;
}

.enhanced-effect-area::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary-cyan), var(--primary-yellow));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s ease;
  border-radius: 12px 0 0 12px;
}

.enhanced-effect-area:hover {
  background: linear-gradient(135deg, #2d3748, #4a5568);
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
  z-index: 2;
}

.enhanced-effect-area:hover::before {
  transform: scaleY(1);
}

.enhanced-effect-area h4 {
  color: #fbbf24;
  margin-bottom: var(--spacing-md);
}

.enhanced-effect-area p {
  line-height: 1.5;
  margin-bottom: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.9);
}

/* 修复表格样式 */
.treatment-table,
.company-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--spacing-xl) 0;
  background: var(--bg-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  font-size: 14px;
  table-layout: fixed;
  /* 👈 添加这行，固定表格布局 */
}

.treatment-table th,
.company-table th {
  background: #0891B2;
  color: white;
  font-weight: 600;
  font-size: 16px;
  text-align: left;
  padding: var(--spacing-lg);
  border: none;
  line-height: 1.6;
  letter-spacing: 0.5px;
}

.treatment-table td,
.company-table td {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-dark);
  letter-spacing: 0.3px;
}

/* 👇 新增：がん標準治療との併用表格的列宽设置 */
.treatment-table th:nth-child(1),
.treatment-table td:nth-child(1) {
  width: 20%;
  /* 项目列 - 稍宽一点 */
}

.treatment-table th:nth-child(2),
.treatment-table td:nth-child(2) {
  width: 50%;
  /* 相乗効果列 - 最宽 */
}

.treatment-table th:nth-child(3),
.treatment-table td:nth-child(3) {
  width: 30%;
  /* 補填的役割列 - 稍窄 */
}

.company-table th:nth-child(1),
.company-table td:nth-child(1) {
  width: 20%;
  /* 名称列 - 较窄 */
}

.company-table th:nth-child(2),
.company-table td:nth-child(2) {
  width: 80%;
  /* 内容列 - 较宽 */
}

/* Competitiveness Section */
.competitive-advantages {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.advantage-item {
  background: var(--bg-white);
  padding: var(--spacing-2xl);
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
  position: relative;
  display: grid;
  grid-template-areas: "number title" "description description";
  grid-template-columns: auto 1fr;
  gap: var(--spacing-md) var(--spacing-lg);
}

.advantage-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.advantage-item .advantage-number {
  grid-area: number;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-yellow));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(34, 211, 238, 0.3);
  margin: 0;
  flex-shrink: 0;
}

.advantage-item h3 {
  grid-area: title;
  color: var(--primary-blue);
  font-size: var(--font-size-xl);
  margin: 0;
  align-self: center;
  line-height: 1.5;
}

.advantage-item p {
  grid-area: description;
  margin: 0;
  line-height: 1.8;
}

/* Research Section */
.research-areas {
  display: grid;

  margin-top: var(--spacing-xl);
}

.research-area {
  background: var(--bg-white);
  padding: var(--spacing-2xl);
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
}

.research-area:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.research-area p {
  line-height: 1.6;
  margin-bottom: 15px;
}

.research-content-wrapper {
  display: flex;
  gap: 50px;
  align-items: flex-start;
}

.research-text {
  flex: 0 0 58%;
}

.research-text h3 {
  margin-top: 0;
}

.research-image {
  flex: 0 0 35%;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.research-image img {
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  border-radius: 8px;
  margin-top: 0;
}

/* Complementary Role */
.complementary-role {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 2px solid var(--border-light);
}

.complementary-role h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  line-height: 1.5;
}

.complementary-role h3 {
  text-align: center;
  color: var(--primary-cyan);
  margin-bottom: var(--spacing-xl);
  line-height: 1.5;
}

.complementary-role h4 {
  color: var(--primary-blue);
  margin: var(--spacing-2xl) 0 var(--spacing-lg) 0;
  font-size: var(--font-size-xl);
  line-height: 1.5;
  letter-spacing: 0.5px;
}

/* Disclaimer Section */
.disclaimer-section {
  background: rgba(239, 68, 68, 0.02);
}

.disclaimer-section .disclaimer-content {
  background: var(--bg-white);
  padding: var(--spacing-md)var(--spacing-xl);
  border-radius: 16px;
  border-left: 5px solid #ef4444;
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.1);
  max-width: 1200px;
  margin: 0 auto;
}

.disclaimer-section .disclaimer-content p {
  margin-bottom: var(--spacing-lg);
  color: var(--text-medium);
  line-height: 1.8;
}

.disclaimer-section .disclaimer-content p:last-child {
  margin-bottom: 0;
}

/* Company Section */
.company-section,
.business-section {
  background: linear-gradient(135deg, rgba(248, 250, 252, 1) 0%, rgba(236, 254, 255, 1) 50%, rgba(254, 252, 232, 1) 100%);
}

.company-info {
  margin-bottom: var(--spacing-3xl);
}

.enhanced-business-main {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.enhanced-business-item {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: 12px;
  border-left: 4px solid transparent;
  border-image: linear-gradient(180deg, #FFD700, #FF8C00) 1;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
  position: relative;
}

.enhanced-business-item:hover {
  transform: translateX(8px);
  border-left-color: #FFA500;
  box-shadow: 0 12px 30px rgba(34, 211, 238, 0.15);
}

.enhanced-business-item::before {
  content: '▶';
  position: absolute;
  left: -40px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary-cyan);
  font-size: 30px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.enhanced-business-item:hover::before {
  opacity: 1;
}

/* Contact Section */
.contact-enhanced {
  background: linear-gradient(135deg, rgba(240, 248, 255, 1) 0%, rgba(250, 248, 235, 1) 100%);
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

.contact-enhanced::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.05) 0%, transparent 70%);
  animation: pulse 6s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.5;
  }

  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

.contact-perspective-container {
  perspective: 1000px;
  margin-top: var(--spacing-2xl);
}

.contact-3d-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
  position: relative;
  z-index: 2;
}

.contact-3d-card {
  background: var(--bg-white);
  border-radius: 20px;
  padding: var(--spacing-2xl);
  text-align: center;
  position: relative;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transform-style: preserve-3d;
  overflow: hidden;
}

.contact-3d-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(34, 211, 238, 0.05), rgba(251, 191, 36, 0.05));
  z-index: -1;
}

.contact-3d-card:hover {
  transform: translateY(-15px) rotateX(5deg) rotateY(5deg);
  box-shadow: 0 25px 60px rgba(34, 211, 238, 0.2);
}

.contact-icon-sphere {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-yellow));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-2xl);
  position: relative;
  box-shadow: 0 10px 25px rgba(34, 211, 238, 0.3);
}

.contact-icon-sphere::before {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  background: linear-gradient(45deg, var(--primary-cyan), var(--light-teal), var(--primary-yellow));
  border-radius: 50%;
  z-index: -1;
  animation: rotate 3s linear infinite;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.contact-method-title {
  color: var(--primary-blue);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.contact-detail {
  color: var(--text-dark);
  font-size: var(--font-size-base);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

.contact-highlight {
  color: var(--primary-cyan);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.map-container-enhanced {
  background: var(--bg-white);
  border-radius: 25px;
  overflow: hidden;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
  position: relative;
  margin-top: var(--spacing-2xl);
}

.map-container-enhanced::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  z-index: 1;
}

.map-container-enhanced iframe {
  width: 100%;
  height: 400px;
  border: none;
  filter: saturate(1.2) contrast(1.1);
}

/* Footer Styles */
.site-footer {
  background: linear-gradient(135deg, #0A79AA 0%, #368B82 50%, #D9AF30 100%);
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 2;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  gap: var(--spacing-xl);
}

.footer-company h3 {
  color: white;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-xl);
  line-height: 1.5;
}

.footer-company p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  line-height: 1.5;
}

.footer-nav {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition-base);
  font-weight: 500;
  line-height: 1.5;
}

.footer-nav a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* Banner Styles */
.section-banner {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto var(--spacing-2xl) auto;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Floating Cell Button */
.floating-cell-button {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-yellow));
  border-radius: 50%;
  border: 5px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 8px 25px rgba(34, 211, 238, 0.4);
  cursor: pointer;
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  opacity: 0;
  transform: translateY(100px);
  pointer-events: none;
}

.floating-cell-button.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.floating-cell-button.clicked {
  background: white;
  border-color: var(--primary-cyan);
  transform: scale(1.1);
}

.floating-cell-button img {
  filter: brightness(0) invert(1);
  transition: filter 0.3s ease;
  width: 40px;
  height: 40px;
  z-index: 2;
  position: relative;
}

.floating-cell-button.clicked img {
  filter: none;
}

@media (hover: hover) {
  .floating-cell-button:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 35px rgba(34, 211, 238, 0.6);
  }
}

.floating-cell-button:active {
  transform: scale(0.95);
  transition: all 0.1s ease-out;
}

.floating-cell-button::before,
.floating-cell-button::after {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  border: 2px solid rgba(34, 211, 238, 0.3);
  border-radius: 50%;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: -1;
}

.floating-cell-button:hover::before {
  opacity: 1;
  animation: ripple 1.5s infinite;
}

.floating-cell-button:hover::after {
  opacity: 1;
  animation: ripple 1.5s infinite 0.5s;
}

@keyframes ripple {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }

  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

/* Animation Classes */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Performance Optimizations */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .section-title::after {
    transform: translateX(-50%) scaleX(1);
    opacity: 1;
  }
}

/* ===== 响应式设计 ===== */
@media (min-width: 1200px) {


  .section-banner {

    transform-origin: center center;
  }

  .section-banner:hover {
    transform: scale(1.08);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
  }
}

@media (min-width: 768px) and (max-width: 1199px) {
  :root {
    --spacing-3xl: 3rem;
    --spacing-4xl: 4rem;
  }

  .vision-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .competitive-advantages {
    grid-template-columns: 1fr;
  }

  .research-content-wrapper {
    flex-direction: column;
    gap: 20px;
  }

  .research-text,
  .research-image {
    flex: 0 0 100%;
  }

  .research-image {
    order: -1;
    margin-bottom: 20px;
  }

  .section-banner {
    transform: scale(1.02);
  }
}

/* 手机端响应式设计 */
@media (max-width: 767px) {
  :root {
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.4rem;
    --spacing-2xl: 1.75rem;
    --spacing-3xl: 2rem;
    --spacing-4xl: 2.5rem;
    --header-height: 80px;
    --font-size-lg: 1rem;
    --font-size-xl: 1.125rem;
    --font-size-2xl: 1.25rem;
    --font-size-3xl: 1.4rem;
  }

  /* 基础容器 */
  .section-container {
    padding: var(--spacing-2xl) var(--spacing-md);
    width: 100%;
    overflow-x: hidden;
  }

  /* 导航栏 */
  .main-nav {
    height: var(--header-height);
  }

  .nav-brand {
    transform: none;
  }

  /* 显示手机菜单按钮 */
  .mobile-menu-toggle {
    display: flex !important;
  }

  /* 隐藏桌面菜单 */
  .nav-menu {
    display: none !important;
  }

  /* 字体大小调整 */
  .hero-title {
    font-size: var(--font-size-3xl);
    line-height: 1.2;
  }

  .section-title {
    font-size: var(--font-size-2xl);
    line-height: 1.3;
    word-wrap: break-word;
    hyphens: auto;
  }

  .hero-subtitle,
  .hero-subtitle-en {
    font-size: var(--font-size-lg);
  }

  /* 网格布局调整 */
  .mission-grid,
  .products-grid,
  .effects-list,
  .benefits-grid,
  .competitive-advantages,
  .component-items,
  .effects-grid,
  .tech-grid,
  .enhanced-benefits-grid,
  .contact-3d-grid,
  .enhanced-business-main,
  .enhanced-effects-grid {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-lg);
  }

  /* Vision content 布局 */
  .vision-content {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-xl);
  }

  .vision-image {
    order: -1;
  }

  /* Research content 布局 */
  .research-content-wrapper {
    flex-direction: column !important;
    gap: var(--spacing-lg);
  }

  .research-text,
  .research-image {
    flex: 0 0 100% !important;
  }

  .research-image {
    order: -1;
    margin-bottom: var(--spacing-lg);
  }

  /* 修复Mission Icon尺寸保持一致 */
  .mission-icon {
    height: 65px !important;
    margin-bottom: 25px !important;
  }

  /* 修复Tech Card蓝色背景贴合问题 */
  .tech-card {
    position: relative;
    padding-top: 60px !important;
  }

  .tech-card h3 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-cyan)) !important;
    color: #fbbf24 !important;
    padding: 12px 20px !important;
    margin: 0 !important;
    border-radius: 20px 20px 0 0 !important;
    box-sizing: border-box !important;
    text-align: left;
  }

  .tech-card .expandable-content img {
    margin-top: 70px !important;
    display: block;
  }

  /* 表格响应式 */
  .treatment-table,
  .company-table {
    overflow-x: auto !important;
    display: block !important;
    -webkit-overflow-scrolling: touch !important;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: white;
  }

  /* 强制所有表格元素使用统一字体 */
  /* 手机版表格样式统一优化 */
  @media (max-width: 767px) {

    /* 统一所有表格的字体大小和样式 */
    .treatment-table,
    .company-table,
    .enhanced-effects-grid,
    .enhanced-benefits-grid {
      font-size: 14px !important;
      line-height: 1.4 !important;
    }

    /* 表格容器统一样式 */
    .treatment-table,
    .company-table {
      overflow-x: auto !important;
      display: block !important;
      -webkit-overflow-scrolling: touch !important;
      border: 1px solid var(--border-light);
      border-radius: 8px;
      background: white;
      margin: var(--spacing-lg) 0;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    /* 表格内部元素统一字体 */
    .treatment-table *,
    .company-table * {
      font-size: 14px !important;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
      line-height: 1.4 !important;
    }

    /* 表头统一样式 */
    .treatment-table th,
    .company-table th {
      background: #0891B2 !important;
      color: white !important;
      font-weight: 600 !important;
      font-size: 13px !important;
      padding: 12px 10px !important;
      white-space: nowrap;
      text-align: left;
      border: none !important;
      position: sticky;
      left: 0;
      z-index: 3;
    }

    /* 表格单元格统一样式 */
    .treatment-table td,
    .company-table td {
      padding: 12px 15px !important;
      border-bottom: 1px solid #e5e7eb !important;
      vertical-align: top;
      font-size: 13px !important;
      white-space: normal;
      word-wrap: break-word;
      hyphens: auto;
    }

    /* 第一列固定样式 */
    @media (max-width: 767px) {

      .treatment-table th:first-child,
      .treatment-table td:first-child,
      .company-table th:first-child,
      .company-table td:first-child {
        position: sticky !important;
        left: 0 !important;
        z-index: 10 !important;
        background: #f8fafc !important;
        border-right: 2px solid #e5e7eb !important;
        min-width: 100px !important;
        max-width: 120px !important;
        font-weight: 600 !important;
      }

      /* 表头第一列特殊样式 */
      .treatment-table th:first-child,
      .company-table th:first-child {
        background: #0891B2 !important;
        color: white !important;
        border-right: 2px solid #0a79aa !important;
        z-index: 11 !important;
      }

      /* 确保表格容器正确滚动 */
      .treatment-table,
      .company-table {
        overflow-x: auto !important;
        display: block !important;
        -webkit-overflow-scrolling: touch !important;
      }
    }

    /* 增强效果网格统一 */
    .enhanced-effects-grid {
      grid-template-columns: 1fr !important;
      gap: var(--spacing-md) !important;
    }

    .enhanced-effect-area {
      padding: var(--spacing-lg) !important;
      margin-bottom: var(--spacing-md) !important;
      border-radius: 8px !important;
      border: 1px solid rgba(34, 211, 238, 0.3) !important;
      background: linear-gradient(135deg, var(--primary-blue), #2c5282) !important;
    }

    .enhanced-effect-area h4 {
      font-size: 15px !important;
      margin-bottom: 8px !important;
      color: #fbbf24 !important;
    }

    .enhanced-effect-area p {
      font-size: 13px !important;
      line-height: 1.4 !important;
      margin-bottom: 6px !important;
      color: rgba(255, 255, 255, 0.9) !important;
    }

    /* 增强优势网格统一 */
    .enhanced-benefits-grid {
      grid-template-columns: 1fr !important;
      gap: var(--spacing-md) !important;
    }

    .enhanced-benefit-item {
      padding: var(--spacing-lg) !important;
      margin-bottom: var(--spacing-md) !important;
      border-radius: 8px !important;
      border: 2px solid rgba(251, 191, 36, 0.3) !important;
    }

    .enhanced-benefit-item h4 {
      font-size: 15px !important;
      margin-bottom: 8px !important;
    }

    .enhanced-benefit-item p {
      font-size: 13px !important;
      line-height: 1.4 !important;
      margin-bottom: 0 !important;
    }

    /* 表格标题统一 */
    .complementary-role h4 {
      font-size: 18px !important;
      margin: var(--spacing-xl) 0 var(--spacing-md) 0 !important;
      color: var(--primary-blue) !important;
      font-weight: 600 !important;
      line-height: 1.4 !important;
    }

    /* 确保表格内容可读性 */
    .treatment-table td:not(:first-child),
    .company-table td:not(:first-child) {
      min-width: 150px !important;
      background: white !important;
    }

    /* 移除hover效果避免触摸设备问题 */
    .treatment-table tr:hover,
    .company-table tr:hover {
      background: inherit !important;
    }
  }

  /* 超小屏幕进一步优化 */
  @media (max-width: 480px) {

    .treatment-table,
    .company-table {
      font-size: 15px !important;
    }

    .treatment-table th,
    .treatment-table td,
    .company-table th,
    .company-table td {
      font-size: 14px !important;
    }

    .treatment-table th:first-child,
    .treatment-table td:first-child,
    .company-table th:first-child,
    .company-table td:first-child {
      min-width: 100px !important;
      max-width: 100px !important;
      font-size: 14px !important;
    }

    .enhanced-effect-area,
    .enhanced-benefit-item {
      padding: var(--spacing-md) !important;
    }

    .enhanced-effect-area h4,
    .enhanced-benefit-item h4 {
      font-size: 16px !important;
    }

    .enhanced-effect-area p,
    .enhanced-benefit-item p {
      font-size: 14px !important;
    }
  }

  /* 确保表格滚动条样式统一 */
  .treatment-table::-webkit-scrollbar,
  .company-table::-webkit-scrollbar {
    height: 6px;
  }

  .treatment-table::-webkit-scrollbar-track,
  .company-table::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
  }

  .treatment-table::-webkit-scrollbar-thumb,
  .company-table::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
  }

  .treatment-table::-webkit-scrollbar-thumb:hover,
  .company-table::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
  }

  /* Card padding 调整 */
  .mission-item,
  .product-card,
  .advantage-item,
  .research-area,
  .tech-card,
  .effect-item,
  .medical-app,
  .benefit-item,
  .component-category,
  .contact-method {
    padding: var(--spacing-lg) !important;
  }

  /* Button 调整 */
  @media (max-width: 767px) {

    /* 确保按钮在手机上正常显示 */
    .vision-buttons {
      display: flex !important;
      flex-direction: column;
      align-items: center;
      gap: var(--spacing-md);
      margin-top: 40px !important;
    }

    .cta-button {
      display: inline-block !important;
      padding: var(--spacing-md) var(--spacing-lg) !important;
      text-decoration: none !important;
      border-radius: 8px !important;
      font-weight: 600 !important;
      text-align: center !important;
      border: 1px solid transparent !important;
      transition: var(--transition-base) !important;
      cursor: pointer !important;
      font-size: var(--font-size-base) !important;
      width: 100% !important;
      max-width: 280px !important;
      background: white !important;
      color: #193A61 !important;
      border: double 2px transparent !important;
      background-image: linear-gradient(white, white), linear-gradient(45deg, rgba(10, 121, 170, 0.3), rgba(251, 191, 36, 0.8)) !important;
      background-origin: border-box !important;
      background-clip: padding-box, border-box !important;
      margin: 0 auto !important;
    }

    .cta-button:active {
      transform: scale(0.98) !important;
      background: rgba(255, 255, 255, 0.9) !important;
    }
  }

  /* Footer 调整 */
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-xl);
  }

  .footer-nav {
    justify-content: center;
    gap: var(--spacing-md);
  }

  /* Banner 调整 */
  .section-banner {
    transform: none;
    border-radius: 8px;
    margin-bottom: var(--spacing-xl);
    height: 50vh;
    min-height: 250px;
    object-fit: cover;
  }

  /* 防止水平滚动 */
  body {
    overflow-x: hidden;
  }

  * {
    max-width: 100%;
    word-wrap: break-word;
  }

  /* 图片响应式 */
  img {
    max-width: 100% !important;
  }

  /* 修复优势项目在手机上的布局 */
  .advantage-item,
  .effect-item {
    display: block !important;
  }

  .advantage-item .advantage-number,
  .effect-item .advantage-number {
    width: 50px !important;
    height: 50px !important;
    margin: 0 auto var(--spacing-md) auto;
    float: none;
  }

  .advantage-item h3,
  .effect-item h4 {
    text-align: center;
    margin-bottom: var(--spacing-md);
  }

  .advantage-item p,
  .effect-item p {
    text-align: left;
  }

  .effect-item .advantage-number {
    width: 40px !important;
    height: 40px !important;
    font-size: var(--font-size-base) !important;
    margin: 20px auto !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
  }
}

@media (max-width: 480px) {

  .mission-item,
  .product-card,
  .advantage-item,
  .research-area,
  .tech-card,
  .effect-item,
  .medical-app,
  .benefit-item {
    padding: var(--spacing-md) !important;
  }

  .mission-icon {
    height: 80px !important;
    margin-bottom: 20px !important;
  }

  .research-area {
    padding: var(--spacing-md) !important;
  }

  .section-container {
    padding: var(--spacing-xl) var(--spacing-sm);
  }

  .mobile-nav-close {
    right: 15px;
    top: 15px;
    width: 40px;
    height: 40px;
    font-size: 24px;
  }
}

/* ===== 移动设备触碰效果禁用 ===== */
@media (hover: none) and (pointer: coarse) {

  .mission-item:hover,
  .product-card:hover,
  .tech-card:hover,
  .advantage-item:hover,
  .effect-item:hover,
  .medical-app:hover,
  .enhanced-benefit-item:hover,
  .enhanced-effect-area:hover,
  .contact-3d-card:hover,
  .enhanced-business-item:hover {
    transform: none !important;
    box-shadow: none !important;
  }

  .cta-button:hover,
  .tab-button:hover {
    transform: none !important;
    box-shadow: none !important;
    background: initial !important;
  }

  .nav-menu a:hover,
  .footer-nav a:hover {
    color: inherit !important;
    border-bottom-color: transparent !important;
  }

  .floating-cell-button:hover {
    transform: none !important;
    box-shadow: 0 8px 25px rgba(34, 211, 238, 0.4) !important;
  }

  .floating-cell-button:hover::before,
  .floating-cell-button:hover::after {
    opacity: 0 !important;
    animation: none !important;
  }

  .product-card:hover img {
    transform: none !important;
  }

  .contact-3d-card {
    transform: none !important;
    transition: none !important;
  }

  .enhanced-effect-area::before,
  .medical-app::before,
  .enhanced-business-item::before {
    display: none !important;
  }
}

/* ===== 桌面端保留所有效果 ===== */
@media (hover: hover) and (pointer: fine) {
  .mission-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  }

  .product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  }

  .tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  }

  .advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  }
}

/* iOS 视频容器优化 */
@supports (-webkit-touch-callout: none) {

  .hero-background video,
  .video-layer {
    -webkit-transform: translateX(-50%) translateY(-50%) translateZ(0);
    transform: translateX(-50%) translateY(-50%) translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
  }
}

/* 备用照片样式 */
.hero-background img {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translateX(-50%) translateY(-50%);
  z-index: 0;
  object-fit: cover;
  filter: brightness(0.8) contrast(1.1);
  transition: opacity 0.8s ease-in-out;
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  perspective: 1000px;
  -webkit-perspective: 1000px;
  opacity: 1;
}

.video-layer.active~img {
  opacity: 0;
  z-index: 0;
}

.hero-background:has(.video-layer:not(.active)) img {
  opacity: 1;
  z-index: 1;
}

/* 视频播放提示 */
.video-play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 30;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 20px;
  border-radius: 15px;
  text-align: center;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
  display: none;
}

@media (max-width: 767px) {
  .video-play-overlay.show {
    display: block;
  }
}

.video-play-button {
  background: linear-gradient(135deg, #22d3ee, #fbbf24);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 25px;
  font-weight: bold;
  margin-top: 10px;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.video-play-button:active {
  transform: scale(0.95);
}

/* 修复导航栏logo大小 */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-logo {
  width: 60px;
  /* 或者你想要的尺寸 */
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-logo img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.nav-text p {
  margin: 0;
  line-height: 1.3;
  font-size: 14px;
  /* 调整文字大小 */
}

.nav-text p:first-child {
  font-weight: 600;
  color: var(--primary-blue);
}

.nav-text p:last-child {
  font-size: 12px;
  color: var(--primary-cyan);
}

/* 手机端logo调整 */
@media (max-width: 767px) {
  .hero-logo {
    width: 50px;
    height: 50px;
  }

  .nav-text p:first-child {
    font-size: 15px;
  }

  .nav-text p:last-child {
    font-size: 12px;
  }

  .nav-brand {
    gap: 8px;
  }
}

/* ===== 移动端菜单样式 ===== */
.mobile-nav-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-light);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  z-index: 999;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  visibility: hidden;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md) 0;
}

.mobile-nav-menu.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-menu a {
  display: block;
  padding: var(--spacing-xl) var(--spacing-2xl);
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  font-size: var(--font-size-lg);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition-base);
  text-align: center;
}

.mobile-nav-menu a:hover,
.mobile-nav-menu a:active {
  background: rgba(34, 211, 238, 0.1);
  color: var(--primary-cyan);
}

.mobile-nav-menu a:last-child {
  border-bottom: none;
}

/* 当移动菜单打开时，防止背景滚动 */
body.menu-open {
  overflow: hidden;
}

/* 移动菜单打开时的导航栏样式 */
.main-nav.menu-open {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
}

/* 修复汉堡包菜单动画的最终位置 */
.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* 确保在移动端正确显示菜单按钮 */
@media (max-width: 767px) {
  .mobile-menu-toggle {
    display: flex !important;
  }

  .nav-menu {
    display: none !important;
  }

  .mobile-nav-menu {
    display: flex;
  }
}

/* 桌面端隐藏移动菜单 */
@media (min-width: 768px) {
  .mobile-nav-menu {
    display: none;
  }
}