/* ============================================
   元化健康 - 明亮大气风格
   ============================================ */

:root {
  /* 明亮配色方案 */
  --primary: #0D9488;
  --primary-dark: #0F766E;
  --primary-light: #CCFBF1;
  --accent: #F59E0B;
  --accent-light: #FEF3C7;
  --text: #1F2937;
  --text-light: #4B5563;
  --text-lighter: #9CA3AF;
  --bg: #FFFFFF;
  --bg-light: #F8FAFC;
  --bg-card: #FFFFFF;
  --border: #E5E7EB;
  --border-light: #F3F4F6;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 2px 10px rgba(0, 0, 0, 0.04);
  --radius: 20px;
  --radius-sm: 12px;
  --max-width: 1400px;
  
  /* 渐变色彩 */
  --gradient-primary: linear-gradient(135deg, #0D9488, #14B8A6);
  --gradient-accent: linear-gradient(135deg, #F59E0B, #FBBF24);
  --gradient-light: linear-gradient(180deg, #F0FDFA 0%, #FFFFFF 100%);
  --gradient-card: linear-gradient(145deg, #FFFFFF, #F8FAFC);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

/* 背景装饰 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(ellipse at 10% 10%, rgba(13, 148, 136, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 90%, rgba(245, 158, 11, 0.02) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 50%, rgba(13, 148, 136, 0.015) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s;
}

/* ============================================
   HEADER - 导航栏
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
  transition: all 0.4s;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* Logo设计 */
.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
}

.logo-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 22px;
  font-weight: 800;
  box-shadow: 0 8px 25px rgba(13, 148, 136, 0.25);
  position: relative;
  overflow: hidden;
}

.logo-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.2) 50%, transparent 60%);
  animation: logoShine 3s infinite;
}

@keyframes logoShine {
  0% { transform: translateX(-100%) rotate(45deg); }
  100% { transform: translateX(100%) rotate(45deg); }
}

/* 导航菜单 */
.nav-menu {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-link {
  font-size: 15px;
  color: var(--text-light);
  font-weight: 500;
  padding: 8px 0;
  position: relative;
  letter-spacing: 0.5px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s;
  border-radius: 2px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* 移动端菜单 */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  width: 26px;
  height: 2px;
  background: var(--primary);
  transition: all 0.3s;
  border-radius: 2px;
}

/* ============================================
   BANNER - 英雄区域
   ============================================ */
.banner {
  position: relative;
  height: 100vh;
  min-height: 700px;
  overflow: hidden;
  background: var(--primary-light);
}

.banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease, visibility 1s ease;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.banner-slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: transparent;
  z-index: 1;
  pointer-events: none;
}

.banner-slide {
  background-color: #E0F2F1;
}

.banner-slide.active {
  opacity: 1;
  visibility: visible;
}

/* Banner内容 */
.banner-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--text);
  z-index: 10;
  width: 90%;
  max-width: 900px;
}

.banner-subtitle {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 20px;
  padding: 8px 24px;
  background: var(--primary-light);
  border: 1px solid var(--primary);
  border-radius: 30px;
}

.banner-content h1 {
  font-size: clamp(44px, 7vw, 72px);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: 6px;
  color: white;
  line-height: 1.2;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.banner-content p {
  font-size: clamp(18px, 2.5vw, 22px);
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 3px;
  margin-bottom: 44px;
  font-weight: 400;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.banner-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: var(--gradient-primary);
  color: white;
  font-size: 15px;
  font-weight: 600;
  border-radius: 50px;
  letter-spacing: 1px;
  box-shadow: 0 8px 30px rgba(13, 148, 136, 0.35);
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
}

.banner-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.banner-cta:hover::before {
  left: 100%;
}

.banner-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(13, 148, 136, 0.4);
}

/* Banner导航点 */
.banner-dots {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.banner-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(13, 148, 136, 0.2);
  cursor: pointer;
  transition: all 0.4s;
  border: 2px solid transparent;
}

.banner-dot.active {
  background: var(--primary);
  transform: scale(1.3);
  box-shadow: 0 0 15px rgba(13, 148, 136, 0.4);
}

/* 向下滚动指示 */
.scroll-indicator {
  position: absolute;
  bottom: 120px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-lighter);
  font-size: 12px;
  letter-spacing: 2px;
  animation: bounce 2s infinite;
}

.scroll-indicator::after {
  content: '';
  width: 24px;
  height: 40px;
  border: 2px solid var(--primary);
  border-radius: 12px;
  position: relative;
  opacity: 0.4;
}

.scroll-indicator::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--primary);
  border-radius: 2px;
  animation: scrollDot 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

@keyframes scrollDot {
  0%, 100% { opacity: 1; top: 8px; }
  50% { opacity: 0.3; top: 20px; }
}

/* ============================================
   SECTION - 通用区域
   ============================================ */
.section {
  padding: 100px 48px;
  position: relative;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* 区域标题 */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: 4px;
  position: relative;
  display: inline-block;
}

.section-header h2::before,
.section-header h2::after {
  content: '◆';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-size: 12px;
  opacity: 0.5;
}

.section-header h2::before {
  left: -36px;
}

.section-header h2::after {
  right: -36px;
}

.section-header p {
  font-size: 17px;
  color: var(--text-light);
  letter-spacing: 2px;
  margin-top: 12px;
}

/* 背景装饰 */
.section-alt {
  background: var(--gradient-light);
}

/* ============================================
   SERVICES - 服务项目
   ============================================ */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 44px 28px;
  text-align: center;
  border: 1px solid var(--border-light);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.5s;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary-light);
  box-shadow: var(--shadow-hover);
}

.service-icon {
  width: 76px;
  height: 76px;
  margin: 0 auto 24px;
  background: linear-gradient(145deg, rgba(13, 148, 136, 0.08), rgba(13, 148, 136, 0.03));
  border: 1px solid var(--primary-light);
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: all 0.5s;
}

.service-card:hover .service-icon {
  background: var(--gradient-primary);
  box-shadow: 0 10px 30px rgba(13, 148, 136, 0.3);
  color: white;
  transform: scale(1.05);
}

.service-icon svg {
  width: 34px;
  height: 34px;
}

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
  letter-spacing: 1px;
}

.service-card p {
  font-size: 14px;
  color: var(--text-lighter);
  line-height: 1.8;
}

/* ============================================
   PRODUCTS - 产品中心
   ============================================ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  box-shadow: var(--shadow-card);
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-light);
  box-shadow: var(--shadow-hover);
}

.product-image {
  height: 240px;
  overflow: hidden;
  background: var(--bg-light);
  position: relative;
}

.product-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(255, 255, 255, 0.9) 100%);
  z-index: 1;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}

.product-card:hover .product-image img {
  transform: scale(1.08);
}

.product-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--bg-light), #FFFFFF);
  color: var(--primary);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 2px;
}

.product-info {
  padding: 26px;
  position: relative;
  z-index: 2;
}

.product-category {
  display: inline-block;
  font-size: 12px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.product-info h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
  letter-spacing: 0.5px;
}

.product-info p {
  font-size: 14px;
  color: var(--text-lighter);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================
   ABOUT - 关于我们
   ============================================ */
.about-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text {
  font-size: 17px;
  line-height: 2;
  color: var(--text-light);
}

.about-text::first-letter {
  font-size: 52px;
  font-weight: 800;
  color: var(--primary);
  float: left;
  margin-right: 16px;
  line-height: 1;
}

.about-image {
  height: 440px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-light);
  position: relative;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 统计数据 */
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.stat-item {
  text-align: center;
  padding: 28px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  transition: all 0.4s;
  box-shadow: var(--shadow-card);
}

.stat-item:hover {
  border-color: var(--primary-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.stat-number {
  font-size: 44px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  font-size: 13px;
  color: var(--text-lighter);
  margin-top: 6px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ============================================
   NEWS - 新闻动态
   ============================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.news-card {
  display: flex;
  gap: 24px;
  padding: 28px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  transition: all 0.4s;
  cursor: pointer;
  box-shadow: var(--shadow-card);
}

.news-card:hover {
  border-color: var(--primary-light);
  transform: translateX(8px);
  box-shadow: var(--shadow-hover);
}

.news-date {
  flex-shrink: 0;
  text-align: center;
  width: 68px;
  padding: 14px;
  background: var(--primary-light);
  border-radius: 14px;
}

.news-date .day {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.news-date .month {
  display: block;
  font-size: 12px;
  color: var(--primary-dark);
  margin-top: 2px;
}

.news-content h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-content p {
  font-size: 14px;
  color: var(--text-lighter);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================
   PARTNER - 合作伙伴
   ============================================ */
.partner-section {
  padding: 80px 48px;
  background: var(--gradient-light);
}

.partner-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.partner-item {
  width: 150px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  padding: 16px;
  transition: all 0.4s;
  box-shadow: var(--shadow-card);
}

.partner-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.partner-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.partner-item span {
  font-size: 14px;
  color: var(--text-lighter);
}

/* ============================================
   CONTACT - 联系我们
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.contact-card {
  text-align: center;
  padding: 44px 28px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  transition: all 0.5s;
  box-shadow: var(--shadow-card);
}

.contact-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-light);
  box-shadow: var(--shadow-hover);
}

.contact-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 22px;
  background: linear-gradient(145deg, rgba(13, 148, 136, 0.08), rgba(13, 148, 136, 0.03));
  border: 1px solid var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: all 0.5s;
}

.contact-card:hover .contact-icon {
  background: var(--gradient-primary);
  box-shadow: 0 10px 30px rgba(13, 148, 136, 0.3);
  color: white;
  transform: scale(1.08);
}

.contact-icon svg {
  width: 26px;
  height: 26px;
}

.contact-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
  letter-spacing: 1px;
}

.contact-card p {
  font-size: 14px;
  color: var(--text-lighter);
}

/* ============================================
   FOOTER - 页脚
   ============================================ */
.footer {
  background: linear-gradient(180deg, #F0FDFA 0%, #FFFFFF 100%);
  color: var(--text-light);
  padding: 72px 48px 28px;
  position: relative;
  border-top: 1px solid var(--border-light);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
  letter-spacing: 3px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-lighter);
}

.footer-links h4,
.footer-contact h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-lighter);
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a::before {
  content: '›';
  color: var(--primary);
  transition: transform 0.3s;
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-links a:hover::before {
  transform: translateX(4px);
}

.footer-contact p {
  font-size: 14px;
  margin-bottom: 10px;
  color: var(--text-lighter);
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact p::before {
  content: '◆';
  color: var(--primary);
  font-size: 8px;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 28px;
  border-top: 1px solid var(--border-light);
  text-align: center;
  font-size: 13px;
  color: var(--text-lighter);
  letter-spacing: 0.5px;
}

/* ============================================
   MODAL - 弹窗
   ============================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s;
  backdrop-filter: blur(8px);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--bg-card);
  border-radius: 24px;
  width: 90%;
  max-width: 720px;
  max-height: 85vh;
  overflow-y: auto;
  transform: translateY(40px) scale(0.95);
  transition: transform 0.4s;
  border: 1px solid var(--border-light);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
}

.modal-overlay.show .modal-box {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 1;
}

.modal-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
}

.modal-close {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-light);
  background: var(--bg-light);
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-lighter);
  transition: all 0.3s;
}

.modal-close:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.modal-body {
  padding: 32px;
}

.modal-image {
  margin-bottom: 24px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.modal-image img {
  width: 100%;
  display: block;
}

.modal-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.modal-category {
  font-size: 12px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 500;
}

.modal-price {
  font-size: 26px;
  font-weight: 800;
  color: var(--accent);
}

.modal-desc {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 20px;
}

.modal-detail {
  font-size: 14px;
  color: var(--text-lighter);
  line-height: 1.9;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

/* ============================================
   RESPONSIVE - 响应式
   ============================================ */
@media (max-width: 1200px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .about-content {
    gap: 48px;
  }
}

@media (max-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 0 24px;
    height: 70px;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  }
  
  .nav-menu.show {
    display: flex;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .section {
    padding: 72px 24px;
  }
  
  .section-header h2::before,
  .section-header h2::after {
    display: none;
  }
  
  .service-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  
  .about-image {
    height: 300px;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .news-card {
    flex-direction: column;
    gap: 16px;
  }
  
  .news-date {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .banner-cta {
    padding: 14px 32px;
    font-size: 14px;
  }
}

/* ============================================
   ANIMATIONS - 动画
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.animate-fadeInUp {
  animation: fadeInUp 0.8s ease forwards;
}

.animate-fadeIn {
  animation: fadeIn 0.6s ease forwards;
}