/* ================================================================
   中科数健 · SinoHealth AIoT
   Design: 深海生物发光 × 精密晨光实验室
   ================================================================ */

/* ---------- Design Tokens ---------- */
:root {
  --ink-deep: #0a1628;
  --ink-mid: #0f2847;
  --ink-soft: #152f4f;
  --ink-line: #1e3a5f;
  --bio-cyan: #00e5c7;
  --bio-cyan-dim: rgba(0, 229, 199, 0.55);
  --bio-cyan-soft: rgba(0, 229, 199, 0.14);
  --neuro-blue: #4fc3f7;
  --gold-warm: #d4af7a;
  --gold-soft: rgba(212, 175, 122, 0.28);
  --pearl: #f7fafc;
  --paper: #f2f5f9;
  --fog: #8b9bae;
  --fog-2: #b6c1cf;
  --line-glow: rgba(0, 229, 199, 0.24);

  --ease-precise: cubic-bezier(0.22, 0.61, 0.36, 1);
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 32px rgba(0, 229, 199, 0.06);
  --shadow-card-hover: 0 12px 48px rgba(0, 229, 199, 0.18);

  --container: 1200px;
  --gutter: 40px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--ink-deep);
  color: var(--pearl);
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

p { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }

.mono {
  font-family: "JetBrains Mono", "Space Grotesk", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.grad-text {
  background: linear-gradient(120deg, var(--bio-cyan) 0%, var(--neuro-blue) 55%, var(--gold-warm) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
}

.mobile-br { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 4px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.4s var(--ease-precise);
  position: relative;
  cursor: pointer;
  white-space: nowrap;
}

.btn-sm { padding: 10px 20px; font-size: 13.5px; }
.btn-lg { padding: 18px 36px; font-size: 16px; }

.btn-primary {
  color: var(--ink-deep);
  background: linear-gradient(135deg, var(--bio-cyan) 0%, #35eed3 100%);
  border: 1px solid var(--bio-cyan);
  box-shadow: 0 0 0 rgba(0, 229, 199, 0);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--gold-soft);
  border-radius: 4px;
  transform: scale(1.02);
  opacity: 0;
  transition: opacity 0.4s var(--ease-precise), transform 0.4s var(--ease-precise);
  pointer-events: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 229, 199, 0.35);
}
.btn-primary:hover::before {
  opacity: 1;
  transform: scale(1.05);
}

.btn-ghost {
  color: var(--pearl);
  background: transparent;
  border: 1px solid rgba(247, 250, 252, 0.28);
}
.btn-ghost:hover {
  border-color: var(--pearl);
  background: rgba(247, 250, 252, 0.06);
  transform: translateY(-2px);
}

/* ---------- Navigation ---------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: all 0.4s var(--ease-precise);
  backdrop-filter: blur(0);
}

.site-nav.scrolled {
  padding: 12px 0;
  background: rgba(10, 22, 40, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 229, 199, 0.1);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--pearl);
}

.brand-mark {
  color: var(--bio-cyan);
  display: inline-flex;
  filter: drop-shadow(0 0 6px rgba(0, 229, 199, 0.4));
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-text strong {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brand-text em {
  font-style: normal;
  font-family: "Space Grotesk", sans-serif;
  font-size: 10.5px;
  color: var(--fog);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 32px;
  font-size: 14.5px;
  color: var(--fog-2);
}

.nav-links a {
  position: relative;
  padding: 6px 0;
  transition: color 0.3s var(--ease-precise);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background: var(--bio-cyan);
  transition: width 0.4s var(--ease-precise);
}
.nav-links a:hover {
  color: var(--pearl);
}
.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0 10px;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--pearl);
  transition: all 0.3s var(--ease-precise);
}

/* ---------- Section common ---------- */
.section {
  position: relative;
  padding: 128px 0;
  overflow: hidden;
}

.section-dark { background: var(--ink-deep); color: var(--pearl); }
.section-mid { background: linear-gradient(180deg, var(--ink-deep) 0%, #071022 100%); color: var(--pearl); }
.section-light {
  background: var(--paper);
  color: #1a2942;
}

.section-head {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 80px;
}

.section-tag {
  display: inline-block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 12.5px;
  letter-spacing: 0.28em;
  color: var(--bio-cyan);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.section-tag.light { color: var(--bio-cyan); }

.section-light .section-tag { color: #0a8d7c; }

.section-head h2 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  margin: 0 0 20px;
  line-height: 1.2;
}

.section-desc {
  font-size: 16px;
  color: var(--fog);
  max-width: 640px;
  margin: 0 auto;
}

.section-light .section-desc { color: #56617a; }

/* =====================================================
   Hero
   ===================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 160px 0 100px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: radial-gradient(ellipse at 20% 30%, #0f2847 0%, #0a1628 55%, #050d1a 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(0, 229, 199, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 229, 199, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at 50% 40%, black 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, black 0%, transparent 75%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: floatGlow 24s ease-in-out infinite;
}
.hero-glow-a {
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, var(--bio-cyan), transparent 65%);
  top: -80px;
  right: -80px;
}
.hero-glow-b {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, var(--gold-warm), transparent 65%);
  bottom: -100px;
  left: -60px;
  animation-delay: -12s;
  opacity: 0.28;
}

@keyframes floatGlow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-40px, 30px); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid var(--line-glow);
  border-radius: 100px;
  font-size: 13px;
  color: var(--fog-2);
  background: rgba(0, 229, 199, 0.04);
  margin-bottom: 32px;
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  background: var(--bio-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--bio-cyan);
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(1.4); }
}

.hero-title {
  font-size: clamp(40px, 6.5vw, 72px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 32px;
  max-width: 900px;
}
.hero-title .accent {
  color: var(--bio-cyan);
  position: relative;
  padding: 0 4px;
  text-shadow: 0 0 24px rgba(0, 229, 199, 0.55);
}

.hero-sub {
  max-width: 620px;
  color: var(--fog-2);
  font-size: 17px;
  line-height: 1.75;
  margin-bottom: 40px;
}
.hero-sub strong {
  color: var(--pearl);
  font-weight: 500;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 80px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  max-width: 900px;
}
.hero-stats li strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: clamp(32px, 4vw, 48px);
  color: var(--bio-cyan);
  line-height: 1;
  margin-bottom: 8px;
  text-shadow: 0 0 20px rgba(0, 229, 199, 0.35);
}
.hero-stats li strong i {
  font-style: normal;
  font-size: 0.6em;
  color: var(--fog-2);
  margin-left: 4px;
  font-weight: 500;
}
.hero-stats li span {
  font-size: 13px;
  color: var(--fog);
  letter-spacing: 0.02em;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 44px;
  border: 1.5px solid rgba(0, 229, 199, 0.4);
  border-radius: 100px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
  z-index: 5;
}
.hero-scroll span {
  width: 2px;
  height: 8px;
  background: var(--bio-cyan);
  border-radius: 2px;
  animation: scrollDot 2s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* =====================================================
   About
   ===================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-title {
  font-size: 24px;
  color: #0a8d7c;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.about-title::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--gold-warm);
}

.about-copy p {
  color: #4a5670;
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 20px;
}
.about-copy p em {
  color: #0a8d7c;
  font-style: normal;
  font-weight: 600;
}
.about-copy p strong {
  color: #1a2942;
  font-weight: 600;
}

.about-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
}
.about-points li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: #4a5670;
  font-size: 14.5px;
}
.about-points li svg {
  color: #00b89e;
  flex-shrink: 0;
  margin-top: 2px;
}
.about-points li strong {
  color: #1a2942;
  font-weight: 600;
  margin-right: 4px;
}

.about-visual {
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}
.visual-frame {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--ink-mid) 0%, var(--ink-deep) 100%);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(10, 22, 40, 0.2), 0 0 0 1px rgba(0, 229, 199, 0.15);
  position: relative;
}
.visual-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(0, 229, 199, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 229, 199, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.5;
}
.pulse-line {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 4s var(--ease-precise) infinite;
}
@keyframes drawLine {
  0% { stroke-dashoffset: 1000; }
  50% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -1000; }
}

/* =====================================================
   Tech Cards
   ===================================================== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tech-card {
  position: relative;
  padding: 40px 32px 36px;
  background: linear-gradient(180deg, var(--ink-soft) 0%, var(--ink-mid) 100%);
  border: 1px solid rgba(0, 229, 199, 0.12);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.5s var(--ease-precise);
}

.tech-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bio-cyan), transparent);
  opacity: 0;
  transition: opacity 0.4s var(--ease-precise);
}
.tech-card::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -30%;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, var(--bio-cyan-soft), transparent 60%);
  pointer-events: none;
  opacity: 0.6;
  transition: opacity 0.4s var(--ease-precise);
}

.tech-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 199, 0.35);
  box-shadow: var(--shadow-card-hover);
}
.tech-card:hover::before { opacity: 1; }
.tech-card:hover::after { opacity: 1; }

.tech-card-featured {
  background: linear-gradient(180deg, #0f3450 0%, #0a2842 100%);
  border-color: rgba(0, 229, 199, 0.28);
}
.tech-card-featured::after {
  background: radial-gradient(circle, rgba(0, 229, 199, 0.22), transparent 60%);
  opacity: 1;
}

.tech-index {
  font-family: "Space Grotesk", sans-serif;
  font-size: 13px;
  color: var(--gold-warm);
  letter-spacing: 0.28em;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.tech-icon {
  width: 64px;
  height: 64px;
  border-radius: 10px;
  background: rgba(0, 229, 199, 0.08);
  border: 1px solid rgba(0, 229, 199, 0.25);
  color: var(--bio-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 8px rgba(0, 229, 199, 0.2));
}

.tech-card h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--pearl);
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
}

.tech-sub {
  font-family: "Space Grotesk", sans-serif;
  font-size: 12.5px;
  color: var(--bio-cyan-dim);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.tech-body {
  color: var(--fog-2);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  position: relative;
  z-index: 1;
}
.tech-tags li {
  padding: 6px 12px;
  font-size: 12.5px;
  color: var(--fog-2);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  font-family: "Noto Sans SC", sans-serif;
}

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

.center-card {
  padding: 40px 32px;
  background: #ffffff;
  border: 1px solid #e5ebf3;
  border-radius: 12px;
  transition: all 0.5s var(--ease-precise);
  position: relative;
  overflow: hidden;
}
.center-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--bio-cyan), var(--neuro-blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-precise);
}
.center-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(10, 22, 40, 0.12);
  border-color: transparent;
}
.center-card:hover::before {
  transform: scaleX(1);
}

.center-tag {
  font-family: "Space Grotesk", sans-serif;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold-warm);
  margin-bottom: 24px;
}

.center-icon {
  width: 72px;
  height: 72px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: white;
}
.center-icon-a { background: linear-gradient(135deg, #0a8d7c 0%, #00e5c7 100%); }
.center-icon-b { background: linear-gradient(135deg, #1e4a7a 0%, #4fc3f7 100%); }
.center-icon-c { background: linear-gradient(135deg, #7a5c30 0%, #d4af7a 100%); }

.center-card h3 {
  font-size: 22px;
  color: #1a2942;
  margin-bottom: 12px;
}

.center-desc {
  color: #56617a;
  font-size: 14.5px;
  line-height: 1.75;
  margin-bottom: 24px;
}

.center-metrics {
  border-top: 1px dashed #d9dfe8;
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.center-metrics > div {
  display: flex;
  justify-content: space-between;
  font-size: 13.5px;
}
.center-metrics span { color: #8b9bae; }
.center-metrics strong { color: #1a2942; font-weight: 600; }

/* =====================================================
   Pipeline
   ===================================================== */
.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.pipeline-item {
  padding: 32px 28px;
  background: var(--ink-soft);
  border: 1px solid rgba(0, 229, 199, 0.14);
  border-radius: 12px;
  transition: all 0.4s var(--ease-precise);
  position: relative;
  overflow: hidden;
}
.pipeline-item:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 199, 0.35);
  box-shadow: var(--shadow-card-hover);
}

.pipeline-item header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 20px;
}

.pipeline-code {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--gold-warm);
  letter-spacing: 0.12em;
}

.pipeline-item h3 {
  font-size: 20px;
  color: var(--pearl);
}

.pipeline-item p {
  color: var(--fog-2);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 24px;
  min-height: 3.4em;
}

.pipeline-track {
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 16px;
}
.pipeline-track span {
  display: block;
  height: 100%;
  width: var(--w, 0);
  background: linear-gradient(90deg, var(--bio-cyan), var(--neuro-blue));
  box-shadow: 0 0 8px rgba(0, 229, 199, 0.4);
  transform-origin: left;
  animation: fillTrack 1.4s var(--ease-precise) both;
}
@keyframes fillTrack {
  0% { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}

.pipeline-item footer {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--fog);
}
.pipeline-item footer strong {
  font-family: "Space Grotesk", sans-serif;
  color: var(--bio-cyan);
  font-weight: 600;
}

/* =====================================================
   Highlights
   ===================================================== */
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.highlight-card {
  position: relative;
  padding: 32px;
  background: var(--ink-soft);
  border: 1px solid rgba(0, 229, 199, 0.18);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.4s var(--ease-precise);
}
.highlight-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 199, 0.4);
}

.highlight-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 4px 10px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold-warm);
  border: 1px solid var(--gold-soft);
  border-radius: 4px;
}

.highlight-visual {
  height: 140px;
  margin: 0 -12px 24px;
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(0, 229, 199, 0.06), transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.highlight-visual-hrv .hrv-line {
  stroke-dasharray: 800;
  stroke-dashoffset: 800;
  animation: drawHrv 3s var(--ease-precise) infinite;
  filter: drop-shadow(0 0 6px rgba(0, 229, 199, 0.6));
}
@keyframes drawHrv {
  0% { stroke-dashoffset: 800; }
  50% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -800; }
}

.highlight-card h3 {
  font-size: 20px;
  color: var(--pearl);
  margin-bottom: 12px;
}
.highlight-card p {
  color: var(--fog-2);
  font-size: 14.5px;
  line-height: 1.75;
  margin-bottom: 20px;
}

.highlight-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.highlight-meta span { color: var(--fog); font-size: 13px; }
.highlight-meta strong {
  font-size: 22px;
  color: var(--bio-cyan);
  font-weight: 700;
  text-shadow: 0 0 12px rgba(0, 229, 199, 0.35);
}

/* =====================================================
   Franchise
   ===================================================== */
.franchise-body {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

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

.tier-card {
  padding: 40px 32px;
  background: var(--ink-soft);
  border: 1px solid rgba(0, 229, 199, 0.14);
  border-radius: 12px;
  transition: all 0.4s var(--ease-precise);
  position: relative;
}

.tier-card-featured {
  background: linear-gradient(180deg, #0f3450 0%, #0a2842 100%);
  border-color: var(--bio-cyan);
  box-shadow: 0 0 0 1px rgba(0, 229, 199, 0.3), 0 12px 40px rgba(0, 229, 199, 0.12);
  transform: translateY(-8px);
}
.tier-card-featured::before {
  content: "推荐";
  position: absolute;
  top: -12px;
  right: 28px;
  padding: 4px 12px;
  background: var(--bio-cyan);
  color: var(--ink-deep);
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
  letter-spacing: 0.08em;
}

.tier-card:hover:not(.tier-card-featured) {
  border-color: rgba(0, 229, 199, 0.3);
  transform: translateY(-4px);
}

.tier-card header {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.tier-label {
  font-family: "Space Grotesk", sans-serif;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold-warm);
  display: block;
  margin-bottom: 10px;
}

.tier-card h3 {
  font-size: 26px;
  color: var(--pearl);
  font-weight: 700;
}

.tier-card ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.tier-card li {
  padding-left: 20px;
  position: relative;
  color: var(--fog-2);
  font-size: 14.5px;
  line-height: 1.6;
}
.tier-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--bio-cyan);
}

.tier-card footer {
  padding-top: 20px;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.tier-card footer span { color: var(--fog); font-size: 13px; }
.tier-card footer strong {
  color: var(--bio-cyan);
  font-size: 20px;
  font-weight: 700;
}

.franchise-sub {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.payback-card,
.mode-card {
  padding: 40px;
  background: var(--ink-soft);
  border: 1px solid rgba(0, 229, 199, 0.14);
  border-radius: 12px;
}

.payback-card h3,
.mode-card h3 {
  font-size: 22px;
  color: var(--pearl);
  margin-bottom: 12px;
}
.payback-card > p {
  color: var(--fog-2);
  font-size: 14.5px;
  margin-bottom: 28px;
}
.payback-card > p strong {
  color: var(--bio-cyan);
  font-weight: 600;
}

.payback-bars {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 20px;
}

.bar-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}
.bar-label span { color: var(--fog-2); font-size: 14px; }
.bar-label strong {
  font-family: "Space Grotesk", sans-serif;
  color: var(--bio-cyan);
  font-weight: 600;
  font-size: 15px;
}

.bar-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  width: var(--w, 0);
  background: linear-gradient(90deg, var(--bio-cyan), var(--gold-warm));
  border-radius: 3px;
  animation: fillTrack 1.6s var(--ease-precise) both;
}

.payback-note {
  color: var(--fog);
  font-size: 12.5px;
  padding-top: 12px;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
  margin-top: 8px;
}

/* 合规免责小字 */
.disclaimer {
  margin-top: 24px;
  padding: 14px 18px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--fog);
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  text-align: center;
  letter-spacing: 0.02em;
}
.section-light .disclaimer {
  color: #7c8698;
  background: rgba(10, 22, 40, 0.03);
  border-color: rgba(10, 22, 40, 0.1);
}

.mode-item {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.mode-item:last-child { border-bottom: 0; padding-bottom: 0; }
.mode-item:first-of-type { padding-top: 8px; }

.mode-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--bio-cyan);
  color: var(--bio-cyan);
  font-family: "Space Grotesk", sans-serif;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 229, 199, 0.05);
}

.mode-item h4 {
  color: var(--pearl);
  font-size: 17px;
  margin-bottom: 8px;
}
.mode-item p {
  color: var(--fog-2);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 12px;
}

.mode-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.mode-tags li {
  padding: 4px 10px;
  font-size: 12px;
  color: var(--fog-2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
}

/* =====================================================
   Advantage / Compare
   ===================================================== */
.compare-wrap {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(10, 22, 40, 0.08);
  border: 1px solid #e5ebf3;
  margin-bottom: 64px;
  overflow-x: auto;
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
.compare-table th,
.compare-table td {
  padding: 20px 28px;
  text-align: left;
  font-size: 15px;
  border-bottom: 1px solid #eef1f6;
}
.compare-table th {
  background: #f7fafc;
  color: #1a2942;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  border-bottom: 2px solid #e5ebf3;
}

.compare-table td:first-child {
  color: #56617a;
  font-weight: 500;
  background: #fafbfd;
}
.compare-table td { color: #6b7690; }

.compare-table .col-highlight {
  background: linear-gradient(180deg, rgba(0, 229, 199, 0.06), rgba(0, 229, 199, 0.02));
  color: #0a8d7c;
  font-weight: 600;
  position: relative;
}
.compare-table th.col-highlight {
  background: linear-gradient(180deg, rgba(0, 229, 199, 0.12), rgba(0, 229, 199, 0.05));
  color: #076f61;
}
.compare-table td.col-highlight .mono {
  color: #076f61;
  font-size: 16px;
}

.compare-table tbody tr:last-child td { border-bottom: 0; }
.compare-table tbody tr:hover td { background: #fafbfd; }
.compare-table tbody tr:hover td.col-highlight {
  background: linear-gradient(180deg, rgba(0, 229, 199, 0.1), rgba(0, 229, 199, 0.05));
}

.adv-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.adv-stat {
  padding: 32px 24px;
  background: white;
  border-radius: 12px;
  border: 1px solid #e5ebf3;
  text-align: center;
  transition: all 0.4s var(--ease-precise);
}
.adv-stat:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(10, 22, 40, 0.08);
  border-color: rgba(0, 229, 199, 0.3);
}
.adv-stat strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 44px;
  font-weight: 700;
  color: #0a8d7c;
  line-height: 1;
  margin-bottom: 12px;
}
.adv-stat span {
  color: #56617a;
  font-size: 13.5px;
  line-height: 1.6;
}

/* =====================================================
   CTA / Contact
   ===================================================== */
.section-cta {
  background: linear-gradient(135deg, #0a1628 0%, #0f3450 100%);
  color: var(--pearl);
  padding: 128px 0;
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.cta-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(0, 229, 199, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 229, 199, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 0%, transparent 70%);
}
.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 229, 199, 0.15), transparent 60%);
  border-radius: 50%;
  filter: blur(60px);
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: clamp(30px, 4vw, 44px);
  margin: 20px 0 20px;
  color: var(--pearl);
}
.cta-desc {
  color: var(--fog-2);
  font-size: 16px;
  margin-bottom: 48px;
}
.cta-desc strong { color: var(--bio-cyan); }

.cta-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  text-align: left;
  margin-bottom: 40px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.field label {
  font-size: 13px;
  color: var(--fog);
  letter-spacing: 0.02em;
}
.field input,
.field select {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  color: var(--pearl);
  font-family: inherit;
  font-size: 14.5px;
  transition: all 0.3s var(--ease-precise);
}
.field select {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2300E5C7' stroke-width='2'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}
.field select option { background: var(--ink-deep); color: var(--pearl); }
.field input::placeholder { color: rgba(139, 155, 174, 0.6); }
.field input:focus,
.field select:focus {
  outline: 0;
  border-color: var(--bio-cyan);
  background: rgba(0, 229, 199, 0.06);
  box-shadow: 0 0 0 3px rgba(0, 229, 199, 0.12);
}

.cta-form .btn {
  grid-column: 1 / -1;
  justify-content: center;
  margin-top: 8px;
}

.form-note {
  grid-column: 1 / -1;
  font-size: 13.5px;
  text-align: center;
  min-height: 20px;
}
.form-note.success { color: var(--bio-cyan); }
.form-note.error { color: #ffb4b4; }

.contact-lines {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.contact-lines > div {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}
.contact-lines span {
  color: var(--fog);
  font-size: 12.5px;
  letter-spacing: 0.06em;
}
.contact-lines strong {
  color: var(--pearl);
  font-size: 16px;
  font-weight: 500;
}
.contact-lines strong.mono { color: var(--bio-cyan); font-size: 17px; }

.phone-link {
  display: inline-block;
  transition: transform 0.3s var(--ease-precise), text-shadow 0.3s var(--ease-precise);
}
.phone-link:hover {
  transform: translateY(-2px);
}
.phone-link:hover strong.mono {
  text-shadow: 0 0 12px rgba(0, 229, 199, 0.55);
  color: #35eed3;
}

/* =====================================================
   Footer
   ===================================================== */
.site-footer {
  background: #050d1a;
  color: var(--fog);
  padding: 80px 0 24px;
  border-top: 1px solid rgba(0, 229, 199, 0.08);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 24px;
}

.foot-brand p {
  color: var(--fog);
  font-size: 14px;
  margin-top: 20px;
  line-height: 1.75;
}

.foot-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.foot-links h5 {
  font-size: 14px;
  color: var(--pearl);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.foot-links a {
  display: block;
  color: var(--fog);
  font-size: 14px;
  padding: 6px 0;
  transition: color 0.3s var(--ease-precise);
}
.foot-links a:hover { color: var(--bio-cyan); }

.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  color: #56617a;
  padding-top: 24px;
}

/* =====================================================
   Scroll Reveal
   ===================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-precise), transform 0.8s var(--ease-precise);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =====================================================
   Responsive
   ===================================================== */
@media (max-width: 1024px) {
  :root { --gutter: 32px; }
  .section { padding: 96px 0; }
  .about-grid { grid-template-columns: 1fr; gap: 60px; }
  .tech-grid,
  .center-grid,
  .highlight-grid,
  .tier-grid { grid-template-columns: repeat(2, 1fr); }
  .pipeline-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-summary { grid-template-columns: repeat(2, 1fr); }
  .franchise-sub { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .tier-card-featured { transform: none; }
}

@media (max-width: 768px) {
  :root { --gutter: 20px; }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 56px; }
  .mobile-br { display: inline; }

  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-cta .btn { display: none; }

  .site-nav.menu-open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 20px var(--gutter);
    background: rgba(10, 22, 40, 0.96);
    backdrop-filter: blur(16px);
    border-top: 1px solid rgba(0, 229, 199, 0.1);
    gap: 4px;
  }
  .site-nav.menu-open .nav-links a {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }
  .site-nav.menu-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .site-nav.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .site-nav.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .hero { padding: 130px 0 80px; min-height: auto; }
  .hero-cta .btn { flex: 1; justify-content: center; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 20px; }

  .tech-grid,
  .center-grid,
  .highlight-grid,
  .tier-grid,
  .pipeline-grid,
  .adv-summary {
    grid-template-columns: 1fr;
  }

  .foot-links { grid-template-columns: 1fr 1fr; }
  .foot-bottom { flex-direction: column; gap: 8px; text-align: center; }

  .cta-form { grid-template-columns: 1fr; }
  .contact-lines { grid-template-columns: 1fr; gap: 24px; }
  .about-points { grid-template-columns: 1fr; }
  .payback-card, .mode-card { padding: 28px 24px; }
  .compare-table th, .compare-table td { padding: 14px 16px; font-size: 13.5px; }
}

/* Footer 官方域名链接 */
.foot-domain {
  color: var(--bio-cyan);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.3s var(--ease-precise);
}
.foot-domain:hover {
  color: var(--gold-warm);
}