/* 良心云 liangxinyun.cam - 赤诚脉搏心电与珊瑚红精密守护风格 */
:root {
  --bg-ivory: #FFF8F6;
  --bg-card: #FFFFFF;
  --bg-soft-rose: #FFF1F2;
  --heart-coral: #E11D48;
  --heart-crimson: #BE123C;
  --warm-amber: #D97706;
  --amber-bright: #F59E0B;
  --slate-deep: #1E293B;
  --slate-body: #334155;
  --slate-muted: #64748B;
  --border-rose: #FECDD3;
  --shadow-warm: 0 14px 34px -8px rgba(225, 29, 72, 0.10), 0 4px 12px -2px rgba(30, 41, 59, 0.05);
  --radius-lg: 20px;
  --radius-md: 14px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-ivory);
  color: var(--slate-body);
  line-height: 1.75;
  overflow-x: hidden;
}

/* 统一醒目超链接颜色，访问前后保持一致，绝不使用默认蓝紫色 */
a,
a:link,
a:visited {
  color: var(--heart-coral);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover,
a:active {
  color: var(--heart-crimson);
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 248, 246, 0.95);
  border-bottom: 1px solid var(--border-rose);
  box-shadow: 0 4px 20px rgba(225, 29, 72, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 16px;
}

.brand-link,
.brand-link:link,
.brand-link:visited {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--slate-deep);
  text-decoration: none;
}

.brand-link:hover {
  text-decoration: none;
  color: var(--heart-coral);
}

.brand-logo-svg {
  flex-shrink: 0;
  animation: heartBeatSoft 2.4s infinite ease-in-out;
}

.brand-text {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--slate-deep);
}

.brand-pulse-tag {
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--bg-soft-rose);
  color: var(--heart-coral);
  border: 1px solid var(--border-rose);
  padding: 2px 8px;
  border-radius: 999px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-item,
.nav-item:link,
.nav-item:visited {
  color: var(--slate-deep);
  font-size: 0.96rem;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 8px;
  text-decoration: none;
}

.nav-item:hover,
.nav-item.active-nav {
  color: var(--heart-coral);
  background: var(--bg-soft-rose);
  text-decoration: none;
}

.nav-cta-btn,
.nav-cta-btn:link,
.nav-cta-btn:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #E11D48 0%, #BE123C 100%);
  color: #FFFFFF;
  font-size: 0.94rem;
  font-weight: 700;
  padding: 9px 20px;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(225, 29, 72, 0.25);
  text-decoration: none;
}

.nav-cta-btn:hover {
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(225, 29, 72, 0.35);
  text-decoration: none;
}

/* Animations */
@keyframes heartBeatSoft {
  0%, 100% { transform: scale(1); }
  18% { transform: scale(1.09); }
  34% { transform: scale(0.97); }
  50% { transform: scale(1.05); }
}

@keyframes pulseRingExpand {
  0% { r: 44px; opacity: 0.75; }
  100% { r: 128px; opacity: 0; }
}

@keyframes ecgFlow {
  0% { stroke-dashoffset: 600; }
  100% { stroke-dashoffset: 0; }
}

@keyframes floatPacket {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
}

/* Hero Section */
.hero-section {
  padding: 64px 0 48px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 44px;
  align-items: center;
}

.vital-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #FFFFFF;
  border: 1px solid var(--border-rose);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--heart-crimson);
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.06);
}

.vital-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--heart-coral);
  box-shadow: 0 0 0 4px rgba(225, 29, 72, 0.2);
}

.hero-title {
  font-size: 2.75rem;
  line-height: 1.24;
  font-weight: 900;
  color: var(--slate-deep);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-title .heart-highlight {
  color: var(--heart-coral);
  position: relative;
}

.hero-subtitle {
  font-size: 1.12rem;
  color: var(--slate-body);
  margin-bottom: 28px;
  line-height: 1.8;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.btn-primary-heart,
.btn-primary-heart:link,
.btn-primary-heart:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #E11D48 0%, #BE123C 100%);
  color: #FFFFFF;
  font-size: 1.06rem;
  font-weight: 800;
  padding: 15px 30px;
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(225, 29, 72, 0.30);
  text-decoration: none;
}

.btn-primary-heart:hover {
  color: #FFFFFF;
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-secondary-rank,
.btn-secondary-rank:link,
.btn-secondary-rank:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #FFFFFF;
  color: var(--heart-coral);
  border: 2px solid var(--heart-coral);
  font-size: 1.04rem;
  font-weight: 800;
  padding: 13px 26px;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(225, 29, 72, 0.08);
  text-decoration: none;
}

.btn-secondary-rank:hover {
  background: var(--bg-soft-rose);
  color: var(--heart-crimson);
  transform: translateY(-2px);
  text-decoration: none;
}

.hero-vital-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  background: #FFFFFF;
  border: 1px solid var(--border-rose);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-warm);
}

.metric-cell {
  border-right: 1px dashed var(--border-rose);
  padding-right: 12px;
}

.metric-cell:last-child {
  border-right: none;
  padding-right: 0;
}

.metric-val {
  display: block;
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--heart-coral);
}

.metric-lbl {
  font-size: 0.84rem;
  color: var(--slate-muted);
  font-weight: 600;
}

/* Hero Visual Card */
.hero-visual-stage {
  background: linear-gradient(160deg, #FFFFFF 0%, #FFF1F2 100%);
  border: 2px solid var(--border-rose);
  border-radius: 26px;
  padding: 24px;
  box-shadow: var(--shadow-warm);
  position: relative;
}

.stage-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-rose);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--slate-deep);
}

.stage-status-pill {
  color: #059669;
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
}

.hero-heart-svg {
  width: 100%;
  height: auto;
  display: block;
}

.pulse-ring-1 {
  animation: pulseRingExpand 2.8s infinite ease-out;
}

.pulse-ring-2 {
  animation: pulseRingExpand 2.8s infinite 1.4s ease-out;
}

.center-heart-core {
  transform-origin: 230px 175px;
  animation: heartBeatSoft 2.2s infinite ease-in-out;
}

.ecg-live-line {
  stroke-dasharray: 600;
  animation: ecgFlow 3.5s infinite linear;
}

.stage-bottom-notes {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--slate-muted);
  font-weight: 600;
}

/* ECG Divider */
.ecg-divider {
  width: 100%;
  overflow: hidden;
  padding: 8px 0;
}

.ecg-divider svg {
  width: 100%;
  height: 44px;
  display: block;
}

.ecg-wave-anim {
  stroke-dasharray: 600;
  animation: ecgFlow 4.5s infinite linear;
}

/* Section Common */
.section-block {
  padding: 68px 0;
}

.section-block.alt-bg {
  background: #FFF1F2;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--heart-coral);
  background: #FFFFFF;
  border: 1px solid var(--border-rose);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--slate-deep);
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.04rem;
  color: var(--slate-muted);
}

/* 4-Column Vital Advantage Grid */
.vital-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.vital-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rose);
  border-top: 4px solid var(--heart-coral);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  box-shadow: var(--shadow-warm);
  transition: transform 0.25s ease;
}

.vital-card:hover {
  transform: translateY(-5px);
}

.vital-icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--bg-soft-rose);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.vital-card h3 {
  font-size: 1.22rem;
  color: var(--slate-deep);
  margin-bottom: 10px;
  font-weight: 800;
}

.vital-card p {
  font-size: 0.95rem;
  color: var(--slate-body);
  margin-bottom: 14px;
}

.vital-meter {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--warm-amber);
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
}

/* Streaming & AI Showcase */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.scene-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rose);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  gap: 22px;
  align-items: flex-start;
  box-shadow: var(--shadow-warm);
}

.scene-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, #FFF1F2 0%, #FFE4E6 100%);
  border: 1px solid var(--border-rose);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.scene-content h3 {
  font-size: 1.28rem;
  color: var(--slate-deep);
  font-weight: 800;
  margin-bottom: 8px;
}

.scene-content p {
  font-size: 0.96rem;
  color: var(--slate-body);
  margin-bottom: 12px;
}

.scene-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.scene-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--heart-crimson);
  background: var(--bg-soft-rose);
  padding: 3px 10px;
  border-radius: 999px;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rose);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  box-shadow: var(--shadow-warm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.price-card.featured-plan {
  border: 2px solid var(--heart-coral);
  transform: translateY(-6px);
  background: linear-gradient(180deg, #FFFFFF 0%, #FFF8F8 100%);
}

.plan-ribbon {
  position: absolute;
  top: -13px;
  right: 24px;
  background: var(--heart-coral);
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: 999px;
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--slate-deep);
  margin-bottom: 6px;
}

.plan-tagline {
  font-size: 0.9rem;
  color: var(--slate-muted);
  margin-bottom: 20px;
}

.plan-price-box {
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--border-rose);
}

.price-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--heart-coral);
}

.price-unit {
  font-size: 0.95rem;
  color: var(--slate-muted);
  font-weight: 600;
}

.plan-features {
  list-style: none;
  margin-bottom: 28px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.96rem;
  color: var(--slate-body);
}

.plan-heart-bullet {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.plan-btn,
.plan-btn:link,
.plan-btn:visited {
  display: block;
  text-align: center;
  background: linear-gradient(135deg, #E11D48 0%, #BE123C 100%);
  color: #FFFFFF;
  font-weight: 800;
  padding: 14px 20px;
  border-radius: 12px;
  text-decoration: none;
}

.plan-btn:hover {
  color: #FFFFFF;
  opacity: 0.94;
  text-decoration: none;
}

/* FAQ Grid */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.faq-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rose);
  border-left: 5px solid var(--heart-coral);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-warm);
}

.faq-card h3 {
  font-size: 1.12rem;
  color: var(--slate-deep);
  font-weight: 800;
  margin-bottom: 10px;
}

.faq-card p {
  font-size: 0.95rem;
  color: var(--slate-body);
}

/* Testimonials */
.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.voice-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rose);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-warm);
}

.voice-quote {
  font-size: 0.97rem;
  color: var(--slate-body);
  margin-bottom: 18px;
  font-style: normal;
}

.voice-author {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-rose);
  padding-top: 14px;
}

.author-name {
  font-weight: 800;
  color: var(--slate-deep);
  font-size: 0.95rem;
}

.author-role {
  font-size: 0.82rem;
  color: var(--heart-coral);
  font-weight: 600;
}

/* Hub & Article Pages */
.page-hero-banner {
  background: linear-gradient(135deg, #FFF1F2 0%, #FFF8F6 100%);
  border-bottom: 1px solid var(--border-rose);
  padding: 52px 0 40px;
  text-align: center;
}

.page-hero-banner h1 {
  font-size: 2.3rem;
  color: var(--slate-deep);
  font-weight: 900;
  margin-bottom: 12px;
}

.page-hero-banner p {
  max-width: 700px;
  margin: 0 auto;
  color: var(--slate-body);
  font-size: 1.05rem;
}

.hub-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  padding: 52px 0;
}

.hub-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rose);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-warm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hub-card-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--heart-coral);
  background: var(--bg-soft-rose);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.hub-card h2 {
  font-size: 1.22rem;
  line-height: 1.45;
  margin-bottom: 12px;
}

.hub-card h2 a,
.hub-card h2 a:link,
.hub-card h2 a:visited {
  color: var(--slate-deep);
  text-decoration: none;
}

.hub-card h2 a:hover {
  color: var(--heart-coral);
}

.hub-card p {
  font-size: 0.94rem;
  color: var(--slate-muted);
  margin-bottom: 20px;
}

.hub-read-more {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--heart-coral);
}

/* Article Content Layout */
.article-wrap {
  max-width: 860px;
  margin: 48px auto;
  background: var(--bg-card);
  border: 1px solid var(--border-rose);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
  box-shadow: var(--shadow-warm);
}

.article-meta {
  font-size: 0.88rem;
  color: var(--slate-muted);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-rose);
}

.article-wrap h1 {
  font-size: 2rem;
  line-height: 1.35;
  color: var(--slate-deep);
  font-weight: 900;
  margin-bottom: 14px;
}

.article-wrap h2 {
  font-size: 1.42rem;
  color: var(--slate-deep);
  font-weight: 800;
  margin: 30px 0 14px;
  padding-left: 12px;
  border-left: 4px solid var(--heart-coral);
}

.article-wrap h3 {
  font-size: 1.16rem;
  color: var(--heart-crimson);
  font-weight: 800;
  margin: 22px 0 10px;
}

.article-wrap p {
  font-size: 1.02rem;
  color: var(--slate-body);
  margin-bottom: 16px;
  line-height: 1.85;
}

.article-cta-box {
  margin-top: 34px;
  padding: 24px;
  background: var(--bg-soft-rose);
  border: 1px solid var(--border-rose);
  border-radius: var(--radius-md);
  text-align: center;
}

/* Footer */
.site-footer {
  background: #FFFFFF;
  border-top: 1px solid var(--border-rose);
  padding: 40px 0;
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
}

.footer-brand-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-brand-name {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--slate-deep);
}

.footer-slogan {
  font-size: 0.9rem;
  color: var(--slate-muted);
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a,
.footer-links a:link,
.footer-links a:visited {
  color: var(--heart-coral);
  font-weight: 700;
  font-size: 0.96rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--slate-muted);
}

/* Mobile Responsive - Navigation NEVER disappears */
@media (max-width: 960px) {
  .hero-grid,
  .vital-cards-grid,
  .scene-grid,
  .pricing-grid,
  .faq-grid,
  .voice-grid,
  .hub-cards-grid {
    grid-template-columns: 1fr;
  }
  .price-card.featured-plan {
    transform: none;
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .main-nav {
    width: 100%;
    display: flex !important;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
  }
  .nav-list {
    display: flex !important;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
  }
  .nav-item {
    font-size: 0.88rem;
    padding: 5px 8px;
    background: #FFFFFF;
    border: 1px solid var(--border-rose);
  }
  .nav-cta-btn {
    width: 100%;
    text-align: center;
    padding: 11px 16px;
  }
  .hero-title {
    font-size: 2rem;
  }
  .hero-vital-metrics {
    grid-template-columns: 1fr;
  }
  .metric-cell {
    border-right: none;
    border-bottom: 1px dashed var(--border-rose);
    padding-bottom: 8px;
  }
  .article-wrap {
    padding: 26px 20px;
    margin: 24px 12px;
  }
}