/* =============================================
   爱悦健康 — 科技感主题样式
   ============================================= */

:root {
  --bg-deep:     #040d1a;
  --bg-card:     #071225;
  --bg-card2:    #0a1a30;
  --border:      rgba(0,212,170,0.15);
  --border2:     rgba(0,153,255,0.12);
  --teal:        #00d4aa;
  --blue:        #0099ff;
  --teal-dim:    rgba(0,212,170,0.08);
  --blue-dim:    rgba(0,153,255,0.08);
  --text-1:      #e8f4ff;
  --text-2:      #8baabf;
  --text-3:      #4a7090;
  --nav-h:       72px;
  --radius:      16px;
  --radius-sm:   10px;
  --transition:  0.35s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-deep);
  color: var(--text-1);
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; }

/* 粒子画布 */
#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .55;
}

/* 导航 */
.nav-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(4,13,26,0.85);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.nav-header.scrolled { background: rgba(4,13,26,0.97); }
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 44px; height: 44px; border-radius: 10px; overflow: hidden; flex-shrink: 0; }
.nav-logo-img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; }
.brand-icon svg { width: 38px; height: 38px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-size: 18px; font-weight: 700; color: var(--text-1); letter-spacing: .05em; }
.brand-sub { font-family: 'Rajdhani', sans-serif; font-size: 11px; font-weight: 500; color: var(--teal); letter-spacing: .18em; opacity: .8; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link {
  padding: 7px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--text-1); background: var(--teal-dim); }
.nav-link.nav-cta {
  margin-left: 8px;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  color: #fff;
  font-weight: 600;
}
.nav-link.nav-cta:hover { opacity: .88; }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--text-1); border-radius: 2px; transition: var(--transition); }

/* 移动菜单 */
.mobile-menu {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(4,13,26,0.97);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 12px 0;
  z-index: 99;
  transform: translateY(-110%);
  transition: transform var(--transition);
  backdrop-filter: blur(16px);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-link { padding: 14px 28px; font-size: 15px; color: var(--text-2); border-bottom: 1px solid rgba(255,255,255,.04); transition: color var(--transition), background var(--transition); }
.mobile-link:hover { color: var(--teal); background: var(--teal-dim); }

/* 公共区块 */
.section-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag { font-family: 'Rajdhani', sans-serif; font-size: 12px; font-weight: 600; letter-spacing: .25em; color: var(--teal); opacity: .8; display: block; margin-bottom: 12px; }
.section-title { font-size: clamp(26px, 4vw, 38px); font-weight: 700; color: var(--text-1); line-height: 1.25; margin-bottom: 14px; }
.section-desc { font-size: 15px; color: var(--text-2); max-width: 560px; margin: 0 auto; }

/* 动画 */
@keyframes fadeUp   { from { opacity:0; transform:translateY(32px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeLeft { from { opacity:0; transform:translateX(48px); } to { opacity:1; transform:translateX(0); } }
@keyframes pulse    { 0%,100% { box-shadow:0 0 0 0 rgba(0,212,170,.5); } 50% { box-shadow:0 0 0 6px rgba(0,212,170,0); } }
@keyframes scrollDot { 0% { transform:translateY(0);opacity:1; } 80% { transform:translateY(12px);opacity:0; } 100% { transform:translateY(0);opacity:0; } }
@keyframes ecgMove  { from { stroke-dashoffset: 800; } to { stroke-dashoffset: 0; } }

.afu { opacity:0; animation:fadeUp .75s ease forwards; animation-delay:var(--d,0s); }
.afl { opacity:0; animation:fadeLeft .85s ease forwards; animation-delay:var(--d,0s); }

/* HERO */
.hero {
  min-height: 100vh;
  padding: calc(var(--nav-h) + 60px) 0 80px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(0,212,170,.04) 1px,transparent 1px), linear-gradient(90deg,rgba(0,212,170,.04) 1px,transparent 1px);
  background-size: 60px 60px;
  z-index: 1; pointer-events: none;
}
.hero-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; position: relative; z-index: 2; width: 100%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border: 1px solid var(--border); border-radius: 100px;
  background: var(--teal-dim); font-size: 12px; color: var(--teal); margin-bottom: 24px;
}
.badge-dot { width:6px; height:6px; border-radius:50%; background:var(--teal); animation:pulse 2s infinite; }
.hero-title { font-size: clamp(36px,5.5vw,60px); font-weight:900; line-height:1.1; margin-bottom:20px; letter-spacing:-.02em; }
.title-line { display: block; }
.gradient-text { background:linear-gradient(135deg,var(--teal),var(--blue)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero-desc { font-size:16px; color:var(--text-2); margin-bottom:36px; line-height:1.8; }
.hero-actions { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:48px; }
.btn-primary {
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 28px; border-radius:10px;
  background:linear-gradient(135deg,var(--teal),var(--blue));
  color:#fff; font-size:15px; font-weight:600;
  transition:opacity var(--transition),transform var(--transition);
}
.btn-primary:hover { opacity:.88; transform:translateY(-2px); }
.btn-secondary {
  display:inline-flex; align-items:center;
  padding:13px 28px; border-radius:10px;
  border:1px solid var(--border); color:var(--text-1); font-size:15px; font-weight:500;
  transition:background var(--transition),border-color var(--transition),transform var(--transition);
}
.btn-secondary:hover { background:var(--teal-dim); border-color:var(--teal); transform:translateY(-2px); }
.hero-stats { display:flex; align-items:center; }
.stat-item { flex:1; text-align:center; }
.stat-num-wrap { display:flex; align-items:baseline; justify-content:center; gap:2px; }
.stat-number { font-family:'Rajdhani',sans-serif; font-size:38px; font-weight:700; color:var(--teal); line-height:1; }
.stat-unit { font-size:16px; font-weight:600; color:var(--teal); }
.stat-label { display:block; font-size:12px; color:var(--text-3); margin-top:4px; }
.stat-divider { width:1px; height:40px; background:var(--border); }

/* 健康监测卡片 */
.health-monitor {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:24px; box-shadow:0 24px 80px rgba(0,212,170,.08),0 4px 20px rgba(0,0,0,.4); position:relative;
}
.health-monitor::before {
  content:''; position:absolute; top:-1px; left:20%; right:20%; height:1px;
  background:linear-gradient(90deg,transparent,var(--teal),transparent);
}
.monitor-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:16px; }
.monitor-title { font-size:13px; font-weight:600; color:var(--text-1); letter-spacing:.05em; }
.monitor-status { display:flex; align-items:center; gap:6px; font-size:11px; color:var(--teal); }
.status-dot { display:inline-block; width:6px; height:6px; border-radius:50%; background:var(--teal); animation:pulse 1.5s infinite; font-style:normal; }
.monitor-chart { margin-bottom:16px; height:56px; overflow:hidden; }
.ecg-svg { width:100%; height:100%; }
.monitor-metrics { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-bottom:16px; }
.metric-card { background:var(--bg-card2); border:1px solid var(--border2); border-radius:var(--radius-sm); padding:10px 12px; }
.metric-top { display:flex; align-items:center; gap:8px; margin-bottom:6px; }
.mic { font-size:16px; color:var(--teal); line-height:1; }
.metric-vals { display:flex; align-items:baseline; gap:3px; }
.metric-value { font-family:'Rajdhani',sans-serif; font-size:20px; font-weight:700; color:var(--text-1); }
.metric-unit { font-size:10px; color:var(--text-3); }
.metric-label { font-size:11px; color:var(--text-3); display:block; margin-bottom:6px; }
.metric-bar { height:3px; background:rgba(255,255,255,.08); border-radius:3px; overflow:hidden; }
.metric-fill { height:100%; background:linear-gradient(90deg,var(--teal),var(--blue)); border-radius:3px; }
.monitor-footer { display:flex; align-items:center; justify-content:space-between; padding-top:14px; border-top:1px solid var(--border); }
.score-text { font-size:12px; color:var(--text-3); }
.score-ring svg { width:52px; height:52px; }

/* 滚动提示 */
.hero-scroll-indicator {
  position:absolute; bottom:32px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:8px; z-index:2; opacity:.5;
}
.hero-scroll-indicator span { font-size:11px; color:var(--text-3); letter-spacing:.1em; }
.scroll-mouse { width:20px; height:32px; border:1.5px solid var(--text-3); border-radius:10px; display:flex; justify-content:center; padding-top:5px; }
.scroll-dot { width:3px; height:6px; background:var(--text-3); border-radius:3px; animation:scrollDot 1.8s ease infinite; }

/* 服务体系 */
.services { padding:100px 0; position:relative; z-index:2; }
.services-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.service-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:28px 24px; position:relative; overflow:hidden; cursor:pointer;
  transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition);
  opacity:0; animation:fadeUp .6s ease forwards; animation-delay:var(--cd,0s);
}
.service-card:hover { transform:translateY(-6px); border-color:rgba(0,212,170,.35); box-shadow:0 20px 60px rgba(0,212,170,.08); }
.service-card.highlight { background:linear-gradient(135deg,rgba(0,212,170,.08),rgba(0,153,255,.06)); border-color:rgba(0,212,170,.3); }
.service-icon-wrap {
  width:52px; height:52px; border-radius:12px;
  background:var(--teal-dim); border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center; margin-bottom:20px;
}
.service-icon { width:28px; height:28px; color:var(--teal); }
.service-card h3 { font-size:17px; font-weight:700; color:var(--text-1); margin-bottom:10px; }
.service-card p { font-size:13px; color:var(--text-2); line-height:1.7; margin-bottom:20px; }
.service-arrow { color:var(--text-3); transition:color var(--transition),transform var(--transition); }
.service-card:hover .service-arrow { color:var(--teal); transform:translateX(4px); }
.card-glow { position:absolute; top:-40px; right:-40px; width:120px; height:120px; background:radial-gradient(circle,rgba(0,212,170,.15),transparent 70%); pointer-events:none; }

/* 产品 */
.products { padding:100px 0; background:linear-gradient(180deg,transparent,rgba(0,212,170,.03),transparent); position:relative; z-index:2; }
.products-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.product-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  overflow:hidden; transition:transform var(--transition),box-shadow var(--transition);
}
.product-card:hover { transform:translateY(-8px); box-shadow:0 24px 60px rgba(0,153,255,.1); }
.product-img-wrap { position:relative; background:var(--bg-card2); padding:32px; display:flex; justify-content:center; align-items:center; min-height:200px; }
.product-img-wrap img { width:140px; height:140px; object-fit:contain; border-radius:12px; }
.product-img-placeholder { display:flex; align-items:center; justify-content:center; width:140px; height:140px; }
.product-img-placeholder svg { width:80px; height:80px; }
.product-badge {
  position:absolute; top:12px; right:12px;
  padding:4px 10px; border-radius:20px; font-size:11px; font-weight:600;
  background:linear-gradient(135deg,var(--teal),var(--blue)); color:#fff;
}
.product-badge.new { background:linear-gradient(135deg,#ff6b9d,#c44dff); }
.product-info { padding:20px 22px 24px; }
.product-info h3 { font-size:17px; font-weight:700; color:var(--text-1); margin-bottom:8px; }
.product-info p { font-size:13px; color:var(--text-2); line-height:1.7; margin-bottom:14px; }
.product-tags { display:flex; gap:8px; flex-wrap:wrap; }
.product-tags span { padding:3px 10px; border-radius:20px; font-size:11px; color:var(--teal); border:1px solid var(--border); background:var(--teal-dim); }

/* 关于我们 */
.about { padding:100px 0; position:relative; z-index:2; }
.about-grid { display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:center; }
.about-content .section-tag { text-align:left; }
.about-content .section-title { text-align:left; }
.about-text { font-size:14px; color:var(--text-2); line-height:1.85; margin-bottom:16px; }
.about-highlights { margin-top:28px; display:flex; flex-direction:column; gap:12px; }
.highlight-item { display:flex; align-items:center; gap:12px; font-size:14px; color:var(--text-2); }
.hi-dot { flex-shrink:0; width:7px; height:7px; border-radius:50%; background:linear-gradient(135deg,var(--teal),var(--blue)); }
.about-card-wrap { display:flex; justify-content:center; }
.about-info-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:32px; width:100%; max-width:380px; position:relative;
  box-shadow:0 24px 80px rgba(0,212,170,.06);
}
.about-info-card::before {
  content:''; position:absolute; top:-1px; left:20%; right:20%; height:1px;
  background:linear-gradient(90deg,transparent,var(--teal),transparent);
}
.aic-row { display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-bottom:20px; }
.aic-item { text-align:center; padding:20px 16px; background:var(--bg-card2); border-radius:var(--radius-sm); border:1px solid var(--border2); }
.aic-num { display:block; font-family:'Rajdhani',sans-serif; font-size:30px; font-weight:700; color:var(--teal); line-height:1; margin-bottom:6px; }
.aic-label { font-size:12px; color:var(--text-3); }
.aic-badge {
  display:flex; align-items:center; justify-content:center; gap:8px;
  padding:12px; border-radius:var(--radius-sm); border:1px solid var(--border);
  background:var(--teal-dim); color:var(--teal); font-size:13px; font-weight:500;
}
.aic-badge svg { width:20px; height:20px; }

/* 联系我们 */
.contact { padding:100px 0; position:relative; z-index:2; background:linear-gradient(180deg,transparent,rgba(0,153,255,.03),transparent); }
.contact-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.contact-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:36px 28px; text-align:center;
  transition:transform var(--transition),border-color var(--transition);
}
.contact-card:hover { transform:translateY(-6px); border-color:rgba(0,212,170,.3); }
.contact-icon { width:56px; height:56px; border-radius:14px; background:var(--teal-dim); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; margin:0 auto 20px; }
.contact-icon svg { width:28px; height:28px; color:var(--teal); }
.contact-card h3 { font-size:16px; font-weight:700; color:var(--text-1); margin-bottom:10px; }
.contact-card p { font-size:14px; color:var(--text-2); line-height:1.8; }
.contact-card a { color:var(--teal); }

/* 页脚 */
.site-footer {
  background:var(--bg-card); border-top:1px solid var(--border);
  padding:40px 0; position:relative; z-index:2;
}
.footer-inner {
  max-width:1200px; margin:0 auto; padding:0 24px;
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:24px;
}
.footer-brand { display:flex; align-items:center; gap:14px; }
.footer-brand .brand-icon svg { width:32px; height:32px; }
.footer-name { font-size:16px; font-weight:700; color:var(--text-1); }
.footer-slogan { font-size:12px; color:var(--text-3); margin-top:2px; }
.footer-links { display:flex; gap:24px; }
.footer-links a { font-size:14px; color:var(--text-3); transition:color var(--transition); }
.footer-links a:hover { color:var(--teal); }
.footer-copy { text-align:right; }
.footer-copy p { font-size:12px; color:var(--text-3); line-height:1.8; }
.footer-copy a { color:var(--teal); opacity:.7; transition:opacity var(--transition); }
.footer-copy a:hover { opacity:1; }

/* 响应式 */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns:repeat(2,1fr); }
  .products-grid { grid-template-columns:repeat(2,1fr); }
  .about-grid { grid-template-columns:1fr; gap:40px; }
  .about-card-wrap { justify-content:flex-start; }
}
@media (max-width: 768px) {
  .nav-links { display:none; }
  .nav-hamburger { display:flex; }
  .hero-inner { grid-template-columns:1fr; gap:40px; }
  .hero-visual { order:-1; }
  .hero-title { font-size:38px; }
  .services-grid { grid-template-columns:1fr; }
  .products-grid { grid-template-columns:1fr; }
  .contact-grid { grid-template-columns:1fr; }
  .footer-inner { flex-direction:column; text-align:center; }
  .footer-copy { text-align:center; }
  .hero-stats { gap:0; }
}
@media (max-width: 480px) {
  .hero-title { font-size:30px; }
  .section-title { font-size:24px; }
  .hero-actions { flex-direction:column; }
  .btn-primary, .btn-secondary { justify-content:center; }
}

/* =============================================
   科技动画增强
   ============================================= */

/* 流光扫描线 — Hero 顶部装饰 */
.hero::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
  animation: scanLine 4s ease-in-out infinite;
  z-index: 3;
  pointer-events: none;
}
@keyframes scanLine {
  0%   { left: -60%; opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { left: 160%; opacity: 0; }
}

/* 网格背景动画 */
.hero-bg-grid {
  animation: gridShift 20s linear infinite;
}
@keyframes gridShift {
  0%   { background-position: 0 0, 0 0; }
  100% { background-position: 60px 60px, 60px 60px; }
}

/* 渐变文字呼吸光效 */
.gradient-text {
  background: linear-gradient(135deg, var(--teal), var(--blue), var(--teal));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: textShimmer 4s linear infinite;
}
@keyframes textShimmer {
  0%   { background-position: 0% center; }
  100% { background-position: 200% center; }
}

/* 主按钮流光 */
.btn-primary {
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transform: skewX(-20deg);
  animation: btnShine 3s ease-in-out infinite 1s;
}
@keyframes btnShine {
  0%   { left: -100%; }
  60%  { left: 160%; }
  100% { left: 160%; }
}

/* 健康监测卡片 — 边框流光 */
.health-monitor {
  position: relative;
}
.health-monitor::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius) + 1px);
  padding: 1px;
  background: linear-gradient(135deg, rgba(0,212,170,0.5), transparent 40%, transparent 60%, rgba(0,153,255,0.4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: borderRotate 4s linear infinite;
  pointer-events: none;
}
@keyframes borderRotate {
  0%   { background: linear-gradient(0deg,   rgba(0,212,170,0.6), transparent 40%, transparent 60%, rgba(0,153,255,0.5)); }
  25%  { background: linear-gradient(90deg,  rgba(0,212,170,0.6), transparent 40%, transparent 60%, rgba(0,153,255,0.5)); }
  50%  { background: linear-gradient(180deg, rgba(0,212,170,0.6), transparent 40%, transparent 60%, rgba(0,153,255,0.5)); }
  75%  { background: linear-gradient(270deg, rgba(0,212,170,0.6), transparent 40%, transparent 60%, rgba(0,153,255,0.5)); }
  100% { background: linear-gradient(360deg, rgba(0,212,170,0.6), transparent 40%, transparent 60%, rgba(0,153,255,0.5)); }
}

/* 数据指标卡片数字跳动 */
.metric-value {
  display: inline-block;
  animation: numFloat 3s ease-in-out infinite;
}
.metric-card:nth-child(2) .metric-value { animation-delay: 0.5s; }
.metric-card:nth-child(3) .metric-value { animation-delay: 1s; }
.metric-card:nth-child(4) .metric-value { animation-delay: 1.5s; }
@keyframes numFloat {
  0%,100% { color: var(--text-1); }
  50%     { color: var(--teal); text-shadow: 0 0 12px rgba(0,212,170,0.6); }
}

/* 服务卡片 — hover 扫光 */
.service-card::after {
  content: '';
  position: absolute;
  top: -50%; left: -75%;
  width: 50%; height: 200%;
  background: linear-gradient(100deg, transparent, rgba(0,212,170,0.06), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s ease;
  pointer-events: none;
}
.service-card:hover::after {
  left: 125%;
}

/* 图标 hover 旋转放大 */
.service-icon-wrap {
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.service-card:hover .service-icon-wrap {
  transform: scale(1.12) rotate(-5deg);
  background: rgba(0,212,170,0.14);
  box-shadow: 0 0 20px rgba(0,212,170,0.2);
}

/* 产品卡片图片 hover 发光 */
.product-img-wrap img {
  transition: transform 0.4s ease, filter 0.4s ease;
}
.product-card:hover .product-img-wrap img {
  transform: scale(1.08);
  filter: drop-shadow(0 0 16px rgba(0,212,170,0.4));
}

/* 联系卡片图标旋转 */
.contact-icon {
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}
.contact-card:hover .contact-icon {
  transform: rotate(8deg) scale(1.1);
  background: rgba(0,212,170,0.14);
  box-shadow: 0 0 24px rgba(0,212,170,0.18);
}

/* 关于我们数据卡数字光晕 */
.aic-num {
  transition: text-shadow var(--transition), color var(--transition);
}
.aic-item:hover .aic-num {
  text-shadow: 0 0 20px rgba(0,212,170,0.7);
  color: #00ffcc;
}

/* Hero 光晕球 */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
}
.hero-orb-1 {
  width: 500px; height: 500px;
  top: -100px; right: -80px;
  background: radial-gradient(circle, rgba(0,212,170,0.08) 0%, transparent 70%);
  animation: orbFloat1 8s ease-in-out infinite;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  bottom: -60px; left: -60px;
  background: radial-gradient(circle, rgba(0,153,255,0.07) 0%, transparent 70%);
  animation: orbFloat2 10s ease-in-out infinite;
}
@keyframes orbFloat1 {
  0%,100% { transform: translate(0,0) scale(1); }
  33%     { transform: translate(-30px, 40px) scale(1.05); }
  66%     { transform: translate(20px, -20px) scale(0.95); }
}
@keyframes orbFloat2 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(40px, -30px) scale(1.08); }
}

/* Section 标题下划线动画 */
.section-title {
  position: relative;
  display: inline-block;
}
.section-header .section-title::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--blue));
  border-radius: 2px;
  transition: width 0.6s cubic-bezier(.4,0,.2,1);
}
.section-header.visible .section-title::after,
.section-header:hover .section-title::after {
  width: 60%;
}

/* 数据进度条动画 */
@keyframes barGrow {
  from { width: 0 !important; }
}
.metric-fill.animated {
  animation: barGrow 1.2s cubic-bezier(.4,0,.2,1) forwards;
}

/* 导航品牌 logo 悬浮光圈 */
.brand-logo {
  position: relative;
}
.brand-logo::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition);
}
.nav-brand:hover .brand-logo::after {
  opacity: 0.6;
}

/* 页面整体入场遮罩 */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-deep);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}
.loader-ring {
  width: 60px; height: 60px;
  border: 2px solid var(--border);
  border-top-color: var(--teal);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.loader-inner {
  position: absolute;
  width: 40px; height: 40px;
  border: 2px solid var(--border);
  border-bottom-color: var(--blue);
  border-radius: 50%;
  animation: spin 1.2s linear infinite reverse;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* =============================================
   能量波动动画
   ============================================= */

/* 波纹扩散 — 通用 */
@keyframes ripple {
  0%   { transform: scale(0.6); opacity: 0.8; }
  100% { transform: scale(2.8); opacity: 0; }
}
@keyframes ripple2 {
  0%   { transform: scale(0.6); opacity: 0.5; }
  100% { transform: scale(2.4); opacity: 0; }
}
@keyframes waveFlow {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes energyPulse {
  0%,100% { opacity: 0.3; transform: scaleY(1); }
  50%      { opacity: 1;   transform: scaleY(1.6); }
}
@keyframes floatY {
  0%,100% { transform: translateY(0px); }
  50%     { transform: translateY(-12px); }
}
@keyframes ringExpand {
  0%   { transform: translate(-50%,-50%) scale(0); opacity: 1; }
  100% { transform: translate(-50%,-50%) scale(1); opacity: 0; }
}
@keyframes glowBreath {
  0%,100% { box-shadow: 0 0 0 0 rgba(0,212,170,0); }
  50%     { box-shadow: 0 0 30px 8px rgba(0,212,170,0.18); }
}
@keyframes lineSlide {
  0%   { transform: scaleX(0); opacity: 0; transform-origin: left; }
  50%  { transform: scaleX(1); opacity: 1; transform-origin: left; }
  51%  { transform-origin: right; }
  100% { transform: scaleX(0); opacity: 0; transform-origin: right; }
}

/* ── Hero 波浪底部 ── */
.hero-wave {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  overflow: hidden;
  z-index: 2;
  pointer-events: none;
}
.hero-wave svg {
  position: absolute;
  bottom: 0;
  width: 200%;
  height: 100%;
}
.hero-wave .wave1 { animation: waveFlow 6s linear infinite; opacity: 0.4; }
.hero-wave .wave2 { animation: waveFlow 9s linear infinite reverse; opacity: 0.2; }

/* ── Badge 脉冲扩散圈 ── */
.badge-dot {
  position: relative;
}
.badge-dot::before,
.badge-dot::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--teal);
  animation: ripple 2.4s ease-out infinite;
}
.badge-dot::after {
  animation: ripple 2.4s ease-out infinite 0.8s;
}

/* ── status-dot 三圈扩散 ── */
.status-dot {
  position: relative;
}
.status-dot::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid var(--teal);
  animation: ripple2 2s ease-out infinite;
}

/* ── 能量柱 — 服务区顶部装饰 ── */
.energy-bars {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 32px;
  justify-content: center;
  margin-bottom: 20px;
}
.energy-bar {
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--teal), var(--blue));
  animation: energyPulse 1.2s ease-in-out infinite;
}
.energy-bar:nth-child(1)  { height: 40%; animation-delay: 0s; }
.energy-bar:nth-child(2)  { height: 70%; animation-delay: 0.1s; }
.energy-bar:nth-child(3)  { height: 55%; animation-delay: 0.2s; }
.energy-bar:nth-child(4)  { height: 90%; animation-delay: 0.3s; }
.energy-bar:nth-child(5)  { height: 65%; animation-delay: 0.15s; }
.energy-bar:nth-child(6)  { height: 80%; animation-delay: 0.25s; }
.energy-bar:nth-child(7)  { height: 45%; animation-delay: 0.35s; }
.energy-bar:nth-child(8)  { height: 75%; animation-delay: 0.05s; }
.energy-bar:nth-child(9)  { height: 55%; animation-delay: 0.4s; }
.energy-bar:nth-child(10) { height: 35%; animation-delay: 0.2s; }

/* ── 健康监测卡片浮动 ── */
.health-monitor {
  animation: floatY 6s ease-in-out infinite;
}

/* ── 监测卡片 glow 呼吸 ── */
.health-monitor {
  animation: floatY 6s ease-in-out infinite, glowBreath 4s ease-in-out infinite;
}

/* ── 进度条扫光 ── */
.metric-bar {
  position: relative;
  overflow: hidden;
}
.metric-bar::after {
  content: '';
  position: absolute;
  top: 0; left: -60%;
  width: 40%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: btnShine 2.5s ease-in-out infinite;
}

/* ── 产品卡片悬浮 ── */
.product-card:nth-child(1) { animation: floatY 5s ease-in-out infinite; }
.product-card:nth-child(2) { animation: floatY 5s ease-in-out infinite 1.6s; }
.product-card:nth-child(3) { animation: floatY 5s ease-in-out infinite 3.2s; }

/* ── 联系卡片图标波纹 ── */
.contact-icon {
  position: relative;
}
.contact-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  border: 1px solid var(--teal);
  animation: ripple2 3s ease-out infinite;
  opacity: 0;
}
.contact-card:hover .contact-icon::before {
  opacity: 1;
}

/* ── Section 分隔能量线 ── */
.section-divider {
  width: 100%;
  height: 1px;
  position: relative;
  overflow: visible;
  margin: 0;
  background: transparent;
}
.section-divider::before {
  content: '';
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal), var(--blue), transparent);
  animation: lineSlide 3s ease-in-out infinite;
}

/* ── 关于我们卡片圆环动画 ── */
.about-ring {
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  border: 1px solid rgba(0,212,170,0.08);
  top: 50%; left: 50%;
  pointer-events: none;
  animation: ringExpand 4s ease-out infinite;
}
.about-ring:nth-child(2) { animation-delay: 1.3s; }
.about-ring:nth-child(3) { animation-delay: 2.6s; }
.about-visual {
  position: relative;
}

/* ── 页面顶部彩带进度指示器 ── */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--teal), var(--blue), var(--teal));
  background-size: 200% auto;
  z-index: 200;
  animation: textShimmer 2s linear infinite;
  transition: width 0.1s linear;
}

/* ── aic-item 呼吸光晕 ── */
.aic-item {
  position: relative;
  transition: all var(--transition);
}
.aic-item::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  animation: glowBreath 3s ease-in-out infinite;
  pointer-events: none;
}
.aic-item:nth-child(2)::after { animation-delay: 0.75s; }
.aic-item:nth-child(3)::after { animation-delay: 1.5s; }
.aic-item:nth-child(4)::after { animation-delay: 2.25s; }

/* ── 按钮 ripple 点击效果 ── */
.btn-primary, .btn-secondary {
  position: relative;
  overflow: hidden;
}
.btn-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  transform: scale(0);
  animation: rippleClick 0.6s ease-out forwards;
  pointer-events: none;
}
@keyframes rippleClick {
  to { transform: scale(4); opacity: 0; }
}

/* 鼠标跟踪光晕 */
#cursor-glow {
  position: fixed;
  width: 300px; height: 300px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0,212,170,0.04) 0%, transparent 70%);
  transition: transform 0.15s ease;
}
  .services-grid { grid-template-columns:repeat(2,1fr); }
  .products-grid { grid-template-columns:repeat(2,1fr); }
  .about-grid { grid-template-columns:1fr; gap:40px; }
  .about-card-wrap { justify-content:flex-start; }
}
@media (max-width: 768px) {
  .nav-links { display:none; }
  .nav-hamburger { display:flex; }
  .hero-inner { grid-template-columns:1fr; gap:40px; }
  .hero-visual { order:-1; }
  .hero-title { font-size:38px; }
  .services-grid { grid-template-columns:1fr; }
  .products-grid { grid-template-columns:1fr; }
  .contact-grid { grid-template-columns:1fr; }
  .footer-inner { flex-direction:column; text-align:center; }
  .footer-copy { text-align:center; }
  .hero-stats { gap:0; }
}
@media (max-width: 480px) {
  .hero-title { font-size:30px; }
  .section-title { font-size:24px; }
  .hero-actions { flex-direction:column; }
  .btn-primary, .btn-secondary { justify-content:center; }
}