/* ============================================================
   HormLab Portal · 首页样式
   节奏：深(Hero) → 浅(困扰) → 浅(对比) → 深(数据) → 浅(产品/流程) → 深(AI闭环) → 浅(资质/科普) → 金(CTA)
   ============================================================ */

/* ============ Hero ============ */
.hero {
  min-height: 100vh;
  background: var(--space-dark);
  position: relative;
  padding: calc(var(--nav-h) + 68px) 24px 80px;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: -10%;
  background: var(--gradient-glow);
  opacity: 0.7;
  animation: heroFlow 18s ease-in-out infinite alternate;
}
@keyframes heroFlow {
  0% { transform: translate(0,0) scale(1); }
  50% { transform: translate(-3%,4%) scale(1.15); }
  100% { transform: translate(2%,-2%) scale(1.05); }
}
.hero-grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 64px; align-items: center;
  max-width: 1280px; margin: 0 auto; width: 100%;
}
.hero-trust {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  background: rgba(0,229,199,0.1); border: 1px solid rgba(0,229,199,0.3);
  border-radius: var(--r-pill);
  font-size: 12px; font-weight: 600; color: var(--cyan-glow);
  margin-bottom: 28px;
}
.hero-trust .dot { width: 6px; height: 6px; background: var(--cyan-glow); border-radius: 50%; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity:1; transform: scale(1);} 50% { opacity:.6; transform: scale(1.3);} }
.hero-h1 {
  font-size: clamp(44px, 7vw, 80px);
  font-weight: 800; line-height: 1.05; letter-spacing: -3px;
  color: #fff; margin-bottom: 22px;
}
.hero-h1 .accent {
  background: linear-gradient(135deg, #00E5C7 0%, #5B6CFF 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-white-soft); margin-bottom: 36px; max-width: 540px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 48px; }
.hero-stat-num {
  font-family: var(--font-num); font-size: 34px; font-weight: 800; color: #fff; line-height: 1.1;
}
.hero-stat-label { font-size: 13px; color: var(--text-white-muted); margin-top: 4px; }

/* Hero 右侧视觉 */
.hero-visual { position: relative; height: 480px; }
.float-card {
  position: absolute;
  background: rgba(19,26,48,0.85);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  box-shadow: var(--shadow-xl);
  animation: floatY 6s ease-in-out infinite;
  z-index: 2;
}
.float-card .label { font-size: 12px; font-weight: 700; color: var(--cyan-glow); margin-bottom: 6px; }
.float-card .msg { font-size: 13px; color: rgba(255,255,255,0.88); line-height: 1.5; margin-bottom: 8px; }
.float-card .row { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-white-muted); }
.float-card .dots { display: flex; gap: 4px; align-items: center; }
.float-card .dots i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.18); }
.float-card .dots i.on { background: var(--success); }
.float-card .big { display: flex; align-items: baseline; gap: 8px; margin-top: 4px; }
.float-card .num { font-family: var(--font-num); font-size: 28px; font-weight: 800; color: var(--cyan-glow); }
.float-card .unit { font-size: 12px; color: var(--text-white-muted); }
.float-card-1 { top: 4%; left: 0; width: min(300px, 90%); animation-delay: 0s; }
.float-card-2 { bottom: 6%; left: 6%; width: min(280px, 85%); animation-delay: 1.2s; }
.float-card-3 { top: 38%; right: 0; width: min(210px, 70%); animation-delay: 2.2s; }
@keyframes floatY { 0%,100% { transform: translateY(0);} 50% { transform: translateY(-14px);} }
.mini-radar {
  position: absolute; top: 20%; right: 18%; z-index: 1;
  opacity: 0.9; animation: floatY 7s ease-in-out infinite reverse;
}
.radar-data { transform-origin: center; animation: radarPulse 4s ease-in-out infinite; }
@keyframes radarPulse { 0%,100% { opacity:.85;} 50% { opacity:1;} }

/* ============ 困扰入口 ============ */
.concern-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.concern-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: 32px 28px;
  cursor: pointer;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s, border-color 0.35s;
  position: relative; overflow: hidden;
}
.concern-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(212,162,78,0.06), transparent 60%);
  opacity: 0; transition: opacity 0.35s;
}
.concern-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(212,162,78,0.4); }
.concern-card:hover::before { opacity: 1; }
.concern-icon { font-size: 40px; display: block; margin-bottom: 16px; }
.concern-title { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.concern-desc { font-size: 14px; color: var(--text-light); margin-bottom: 18px; }
.concern-link { font-size: 14px; font-weight: 600; color: var(--gold); }

/* ============ 差异化对比 ============ */
.diff-card {
  display: grid; grid-template-columns: 1fr auto 1fr;
  gap: 0; align-items: stretch;
  border-radius: var(--r-xl); overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-width: 920px; margin: 0 auto;
}
.diff-side { padding: 48px 40px; }
.diff-side.muted { background: #EEF1F6; color: var(--text-light); }
.diff-side.brand {
  background: var(--space-dark); color: #fff;
  background-image: radial-gradient(circle at 80% 20%, rgba(0,229,199,0.15), transparent 50%);
}
.diff-label {
  display: inline-block; padding: 5px 14px; border-radius: var(--r-pill);
  font-size: 12px; font-weight: 700; margin-bottom: 20px;
  background: rgba(122,132,153,0.12); color: var(--text-light);
}
.diff-side.brand .diff-label { background: rgba(0,229,199,0.12); color: var(--cyan-glow); }
.diff-title { font-size: 24px; font-weight: 800; line-height: 1.35; margin-bottom: 24px; letter-spacing: -0.5px; }
.diff-list li {
  font-size: 15px; padding: 10px 0; display: flex; align-items: center; gap: 10px;
  border-bottom: 1px dashed rgba(122,132,153,0.25);
}
.diff-side.brand .diff-list li { border-bottom-color: rgba(255,255,255,0.1); color: var(--text-white-soft); }
.diff-list li::before { content: '×'; color: var(--danger); font-weight: 800; }
.diff-side.brand .diff-list li::before { content: '✓'; color: var(--cyan-glow); }
.diff-vs {
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-brand); color: #fff;
  font-family: var(--font-en); font-weight: 800; font-size: 18px;
  padding: 0 18px;
}

/* ============ 数据锚点 ============ */
.section-stats {
  background: var(--space-deeper);
  background-image: radial-gradient(ellipse at 50% 0%, rgba(91,108,255,0.15), transparent 60%);
  padding: 88px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card {
  text-align: center; padding: 36px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}
.stat-card:hover { border-color: rgba(212,162,78,0.4); transform: translateY(-4px); }
.stat-num {
  font-family: var(--font-num); font-size: 52px; font-weight: 800;
  background: var(--gradient-gold);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1.1;
}
.stat-label { color: var(--text-white-soft); font-size: 14px; margin-top: 8px; }

/* ============ 产品线 ============ */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: 30px 28px;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s;
  position: relative;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-card.hot { border-color: rgba(212,162,78,0.5); }
.product-card .hot-badge {
  position: absolute; top: 18px; right: 18px;
  padding: 4px 12px; border-radius: var(--r-pill);
  background: var(--gradient-gold); color: #fff;
  font-size: 11px; font-weight: 700;
}
.product-icon {
  width: 56px; height: 56px; border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; margin-bottom: 18px;
}
.product-name { font-size: 21px; font-weight: 800; margin-bottom: 2px; }
.product-sub { font-size: 13px; color: var(--text-light); margin-bottom: 12px; }
.product-desc { font-size: 14px; color: var(--text-mid); line-height: 1.7; margin-bottom: 20px; min-height: 72px; }
.product-meta { display: flex; align-items: baseline; justify-content: space-between; }
.product-price { font-family: var(--font-num); font-size: 24px; font-weight: 800; color: var(--text-dark); }
.product-sku { font-size: 12px; color: var(--text-light); }
.section-more { text-align: center; margin-top: 44px; }

/* ============ 流程 ============ */
.flow-steps {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px;
  max-width: 1080px; margin: 0 auto;
}
.flow-step {
  text-align: center; padding: 32px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s;
}
.flow-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.flow-num { font-size: 38px; margin-bottom: 14px; }
.flow-step-title { font-weight: 700; font-size: 17px; margin-bottom: 8px; }
.flow-step-desc { font-size: 13px; color: var(--text-light); line-height: 1.6; }

/* ============ AI 闭环 ============ */
.loop-container {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center;
}
.section-dark .section-h2 { color: #fff; }
.accent-loop {
  background: linear-gradient(135deg, #00E5C7, #5B6CFF);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.loop-features { margin: 36px 0; display: flex; flex-direction: column; gap: 24px; }
.loop-feature { display: flex; gap: 16px; align-items: flex-start; }
.loop-feature-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center; font-size: 22px;
}
.loop-feature-title { color: #fff; font-weight: 700; font-size: 16px; margin-bottom: 4px; }
.loop-feature-desc { color: var(--text-white-muted); font-size: 14px; line-height: 1.6; }
.loop-visual { position: relative; height: 440px; }
.loop-ring {
  position: absolute; border-radius: 50%;
  border: 1.5px dashed rgba(0,229,199,0.35);
  top: 50%; left: 50%;
}
.loop-ring-1 { width: 340px; height: 340px; margin: -170px 0 0 -170px; animation: spin 40s linear infinite; }
.loop-ring-2 { width: 230px; height: 230px; margin: -115px 0 0 -115px; animation: spin 28s linear infinite reverse; border-color: rgba(91,108,255,0.4); }
@keyframes spin { to { transform: rotate(360deg); } }
.loop-center {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 92px; height: 92px; border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(0,229,199,0.4);
  display: flex; align-items: center; justify-content: center; font-size: 40px;
  box-shadow: var(--shadow-glow-cyan);
}
.loop-node {
  position: absolute;
  background: rgba(19,26,48,0.9);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff; font-size: 13px; font-weight: 600;
  padding: 10px 18px; border-radius: var(--r-pill);
  backdrop-filter: blur(8px);
  animation: floatY 5s ease-in-out infinite;
}
.loop-node-1 { top: 4%; left: 50%; transform: translateX(-50%); }
.loop-node-2 { top: 44%; right: -2%; animation-delay: 1s; }
.loop-node-3 { bottom: 4%; left: 44%; animation-delay: 2s; }
.loop-node-4 { top: 44%; left: -2%; animation-delay: 1.6s; }

/* ============ 资质 ============ */
.creds-row {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px;
}
.cred-badge {
  text-align: center; padding: 28px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s, border-color 0.3s;
}
.cred-badge:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(212,162,78,0.4); }
.cred-badge-icon { font-size: 30px; display: block; margin-bottom: 12px; }
.cred-badge-name { font-weight: 700; font-size: 15px; margin-bottom: 4px; }
.cred-badge-meta { font-size: 12px; color: var(--text-light); }

/* ============ 科普预览 ============ */
.science-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.sci-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--r-xl); overflow: hidden;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s;
  display: flex; flex-direction: column;
}
.sci-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.sci-cover { aspect-ratio: 16/9; overflow: hidden; background: var(--bg-light); }
.sci-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease-out); }
.sci-card:hover .sci-cover img { transform: scale(1.05); }
.sci-body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.sci-title { font-size: 17px; font-weight: 700; line-height: 1.5; }
.sci-summary {
  font-size: 13px; color: var(--text-light); line-height: 1.7; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sci-meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-lighter); }

/* ============ CTA ============ */
.section-cta {
  background: linear-gradient(135deg, #171226 0%, #0B1020 55%, #1a2f3f 100%);
  padding: 110px 0; text-align: center; position: relative; overflow: hidden;
}
.section-cta::before {
  content: ''; position: absolute; inset: 0;
  background: var(--gradient-glow); opacity: 0.5;
}
.section-cta .container { position: relative; }
.section-cta h2 {
  color: #fff; font-size: clamp(30px, 4.5vw, 46px); font-weight: 800;
  line-height: 1.3; letter-spacing: -1px; margin-bottom: 18px;
}
.section-cta p { color: var(--text-white-soft); font-size: 17px; margin-bottom: 40px; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .concern-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-steps { grid-template-columns: repeat(3, 1fr); }
  .creds-row { grid-template-columns: repeat(3, 1fr); }
  .loop-container { grid-template-columns: 1fr; gap: 48px; }
  .loop-visual { max-width: 480px; margin: 0 auto; width: 100%; }
}
@media (max-width: 768px) {
  .hero { padding-top: calc(var(--nav-h) + 40px); }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { height: 420px; max-width: 480px; }
  .hero-stats { gap: 28px; }
  .diff-card { grid-template-columns: 1fr; }
  .diff-vs { padding: 12px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .science-grid { grid-template-columns: 1fr; }
  .float-card-3 { display: none; }
}
@media (max-width: 560px) {
  .concern-grid, .products-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .creds-row { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { flex-wrap: wrap; }
  .mini-radar { display: none; }
}