/* ==========================================================================
   能山生物 Neocellmed — Strevora-style Design System
   Deep-navy editorial aesthetic (theme: #192556)
   ========================================================================== */

:root {
  /* ---- Color tokens (navy theme anchored on #192556) ---- */
  --bg-primary: #192556;            /* deep navy — dark sections (theme) */
  --bg-primary-accent: #243369;     /* lighter navy */
  --bg-primary-inverse: #f6f3ee;    /* warm cream — light sections */
  --bg-secondary: #ffffff;
  --bg-secondary-accent: #eef0ef;

  --text-primary-color: #15192e;
  --text-secondary-color: #484a5c;
  --text-primary-accent-color: #8a92ad;
  --text-inverse-color: #eef1ff;    /* cool-tinted text on dark */
  --text-neutral: #ffffff;

  --border-primary: #15192e;
  --border-secondary: #eef1ff;
  --border-inverse-hair: #ffffff1a; /* 10% white on dark */
  --border-hair: #15192e1a;         /* 10% navy-tinted black on light */

  --accent-mint: #cfe0ff;           /* tinted accent (cool) */
  --accent-red: #ea384c;

  /* ---- Typography ---- */
  --font-heading: 'Marcellus', 'Noto Serif SC', serif;
  --font-body: 'Generalsans', 'Noto Sans SC', 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* ---- Layout ---- */
  --container-width: 90rem;
  --container-sm-width: 80.625rem;
  --radius: 1.25rem;            /* 20px cards */
  --radius-pill: 12.5rem;       /* capsule buttons */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

section[id] { scroll-margin-top: 96px; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.55;
  color: var(--text-secondary-color);
  background: var(--bg-primary-inverse);
  overflow-x: hidden;
}
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
.container-sm { max-width: var(--container-sm-width); }

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  color: var(--text-primary-color);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.dark h1, .dark h2, .dark h3, .dark h4, .dark h5, .dark h6 { color: var(--text-inverse-color); }
h1 { font-size: clamp(2.2rem, 6vw, 3.75rem); letter-spacing: -0.04em; line-height: 1.05; }
h2 { font-size: clamp(1.9rem, 4.5vw, 2.5rem); }
h3 { font-size: clamp(1.4rem, 3vw, 1.875rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.625rem); letter-spacing: 0; }
p { color: inherit; }

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.125em;
  text-transform: uppercase;
  color: var(--text-primary-accent-color);
  display: inline-block;
  margin-bottom: 1rem;
}
.dark .eyebrow { color: var(--text-inverse-color); opacity: 0.7; }
.lead { font-size: 1.125rem; line-height: 1.6; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), color 0.35s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--text-primary-color);
  color: var(--text-inverse-color);
}
.dark .btn-primary { background: var(--text-inverse-color); color: var(--bg-primary); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-outline {
  border: 1px solid var(--border-primary);
  color: var(--text-primary-color);
}
.dark .btn-outline { border-color: var(--text-inverse-color); color: var(--text-inverse-color); }
.btn-outline:hover { background: var(--text-primary-color); color: var(--text-inverse-color); }
.dark .btn-outline:hover { background: var(--text-inverse-color); color: var(--bg-primary); }

/* ---- Sections ---- */
section { padding: clamp(4rem, 8vw, 7.5rem) 0; }
.dark { background: var(--bg-primary); color: var(--text-inverse-color); }
.dark p { color: rgba(238, 241, 255, 0.78); }

/* ---- Navbar (Strevora-style: full-height CTA, compact links) ---- */
.navbar {
  position: sticky;
  top: 0; left: 0; right: 0;
  z-index: 999;
  background-color: var(--bg-secondary);
  box-shadow: 0 2px 3.125rem #0000001a;
  transition: box-shadow 0.4s var(--ease);
}
.navbar.scrolled {
  box-shadow: 0 4px 2.5rem #00000026;
}
.nav-container {
  width: 100%;
  margin-inline: auto;
  padding-inline: 0.9375rem;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9375rem;
  min-height: 5.8rem;
}
.nav-brand {
  font-family: var(--font-heading);
  letter-spacing: 0.02em;
  color: var(--text-primary-color);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}
.nav-brand .brand-mark {
  width: 150px; height: 42px;
  border-radius: 0;
  background: url("../assets/img/neocellmed-logo.png") center / contain no-repeat;
  display: inline-block;
  border: 0;
}
.nav-brand .brand-mark + span { display: none; }
.nav-brand .brand-cn { font-size: 1.2rem; color: var(--text-primary-color); }
.nav-brand .brand-en {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.5;
  display: block;
  margin-top: -2px;
  color: var(--text-primary-color);
}
.nav {
  flex: 1;
  display: flex;
  align-self: stretch;
  align-items: center;
  justify-content: space-between;
  gap: 0.9375rem;
  margin-left: clamp(1.875rem, 4vw, 5rem);
}
.nav-links {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: space-between;
  gap: 0;
  padding-right: 1.875rem;
}
.nav-links a {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.125em;
  text-transform: uppercase;
  color: var(--text-primary-color);
  position: relative;
  padding: 0.25rem 0;
  transition: opacity 0.3s var(--ease);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--text-primary-color);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover::after { width: 100%; }
.nav-links a.active::after,
.nav-links a[aria-current="page"]::after { width: 100%; }
.nav-cta {
  width: 12.9rem;
  max-width: 12.9rem;
  flex-shrink: 0;
  align-self: stretch;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.875rem;
  border-radius: 0;
  background: var(--text-primary-color);
  color: var(--text-inverse-color);
  font-size: .9rem;
  letter-spacing: 0.08em;
  transform: none;
}
.nav-cta:hover {
  background: var(--bg-primary);
  transform: none;
}
.nav-toggle { display: none; }

@media (max-width: 991px) {
  .nav, .nav-cta { display: none; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    padding: 6px;
  }
  .nav-toggle span {
    width: 26px; height: 2px;
    background: var(--text-primary-color);
    transition: 0.3s var(--ease);
  }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg-secondary);
    padding: 1rem 0.9375rem 2.4rem;
    gap: 0;
    box-shadow: 0 2px 3.125rem #0000001a;
    align-items: stretch;
    max-width: none;
    margin-left: 0;
  }
  .nav.open .nav-links {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding-right: 0;
  }
  .nav.open .nav-links li {
    width: 100%;
  }
  .nav.open .nav-links a {
    display: flex;
    width: 100%;
    align-items: center;
    min-height: 3.2rem;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border-hair);
  }
  .nav.open .nav-cta {
    display: flex;
    margin-top: 1.25rem;
    max-width: none;
    width: 100%;
    justify-content: center;
    padding: 1.3rem;
  }
}

/* ---- Hero (full-bleed, Strevora-style) ---- */
.hero {
  position: relative;
  height: calc(100vh - 5.8rem);
  min-height: 640px;
  background: var(--bg-primary);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero-image {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  z-index: 1;
}
.hero-image-wrap {
  position: absolute; inset: 0; z-index: 1; overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(105deg, rgba(25,37,86,0.82) 0%, rgba(25,37,86,0.45) 55%, rgba(25,37,86,0.15) 100%);
  pointer-events: none;
}
.hero-main {
  position: relative;
  z-index: 3;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  padding-bottom: 3rem;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 40rem;
}
.hero-content .eyebrow { color: var(--text-inverse-color); opacity: 0.78; margin-bottom: 1.5rem; }
.hero-content h1 {
  color: var(--text-inverse-color);
  margin-bottom: 2.5rem;
  letter-spacing: -0.04em;
}
.hero-cta { max-width: 26rem; }
.hero-cta .btn {
  width: 100%;
  justify-content: center;
  padding: 1.15rem 1.5rem;
  font-size: 0.8125rem;
}
/* giant brand wordmark, bottom-right */
.hero-wordmark {
  position: absolute;
  inset: auto 0 0 auto;
  padding-right: 3vw;
  z-index: 3;
  pointer-events: none;
  line-height: 1;
}
.hero-wordmark span {
  display: block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(40px, 15.7vw, 140px);
  line-height: 100%;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-neutral);
  white-space: nowrap;
}
@media (max-width: 768px) {
  .hero { height: 90vh; }
  .hero-wordmark {
    left: 1rem;
    right: 1rem;
    padding-right: 0;
    bottom: 0.9rem;
    text-align: right;
  }
  .hero-wordmark span {
    font-size: clamp(22px, 6vw, 36px);
    letter-spacing: 0.08em;
  }
  .nav.open {
    max-height: calc(100vh - 5.8rem);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav.open .nav-links a {
    font-size: 1.15rem;
    line-height: 1.35;
    padding: 0.75rem 0;
  }
}

@media (max-width: 420px) {
  .nav.open .nav-links a {
    font-size: 1.05rem;
  }
  .hero-wordmark span {
    font-size: clamp(20px, 5.2vw, 32px);
    letter-spacing: 0.05em;
  }
}

/* hero animation initial states (GSAP will animate; hidden only when JS active) */
.gsap-ready .hero-anim { opacity: 0; }
.hero-image-wrap { will-change: transform; }

/* ---- Marquee ---- */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: inline-flex;
  gap: 2rem;
  animation: marquee 40s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--text-primary-color);
  white-space: nowrap;
}
.dark .marquee-item { border-color: var(--border-inverse-hair); color: var(--text-inverse-color); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---- Split section ---- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.split-img {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.split-img img,
.split-img video { width: 100%; height: 100%; object-fit: cover; background: #000; }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
}

/* ---- Card grid ---- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-hair);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.dark .card { background: var(--bg-primary-accent); border-color: var(--border-inverse-hair); }
.card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px -20px rgba(0,0,0,0.25); }
.card-img { aspect-ratio: 16 / 11; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.card:hover .card-img img { transform: scale(1.06); }
.card-body { padding: 1.5rem; }
.card-body h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.card-body p { font-size: 0.9rem; }

/* ---- 时间轴 ---- */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 1.25rem;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-inverse-hair);
}
.timeline-item {
  position: relative;
  padding-top: 3rem;
}
.timeline-item::before {
  content: "";
  position: absolute;
  top: 0.95rem;
  left: 0;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--accent-mint);
  box-shadow: 0 0 0 0.45rem rgba(173, 213, 203, 0.14);
}
.timeline-date {
  display: inline-block;
  margin-bottom: 0.65rem;
  font-family: var(--font-heading);
  font-size: 1.45rem;
  color: var(--text-inverse-color);
}
.timeline-item h4 { color: var(--text-inverse-color); margin-bottom: 0.5rem; }
.timeline-item p { color: rgba(238,241,255,.72); font-size: 0.9rem; }
@media (max-width: 860px) {
  .timeline { grid-template-columns: 1fr; }
  .timeline::before {
    top: 0;
    bottom: 0;
    left: 0.32rem;
    right: auto;
    width: 1px;
    height: auto;
  }
  .timeline-item { padding: 0 0 0 2rem; }
  .timeline-item::before { left: 0; }
}

/* ---- Icon feature ---- */
.feature {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 1px solid var(--border-hair);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-primary-color);
}
.dark .feature-icon { border-color: var(--border-inverse-hair); color: var(--text-inverse-color); }
.feature h4 { font-size: 1.125rem; margin-bottom: 0.25rem; }
.feature p { font-size: 0.875rem; }

/* ---- Checklist ---- */
.checklist { display: flex; flex-direction: column; gap: 1rem; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
}
.tick {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent-mint);
  display: inline-flex; align-items: center; justify-content: center;
  margin-top: 2px;
}
.dark .tick { background: rgba(207, 224, 255, 0.2); }
.tick svg { width: 12px; height: 12px; color: #192556; }
.dark .tick svg { color: var(--accent-mint); }

/* ---- Section header ---- */
.section-head { max-width: 640px; margin-bottom: 3.5rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-bottom: 1rem; }

/* ---- Stats strip ---- */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  border-top: 1px solid var(--border-inverse-hair);
  border-bottom: 1px solid var(--border-inverse-hair);
  padding: 3rem 0;
}
.stat .num {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--text-inverse-color);
  line-height: 1;
}
.stat .label {
  font-size: 0.8rem;
  color: rgba(238, 241, 255, 0.65);
  margin-top: 0.5rem;
  letter-spacing: 0.05em;
}
@media (max-width: 768px) {
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
}

/* ---- Page banner ---- */
.page-banner {
  padding: 5rem 0 4rem;
  background: var(--bg-primary);
  color: var(--text-inverse-color);
  position: relative;
  overflow: hidden;
}
.page-banner h1 { color: var(--text-inverse-color); margin-bottom: 1.25rem; }
.page-banner p { color: rgba(238, 241, 255, 0.8); max-width: 600px; font-size: 1.0625rem; }
.page-banner::before {
  content: '';
  position: absolute;
  width: min(500px, 70vw); height: min(500px, 70vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79,107,176,0.25), transparent 70%);
  top: -150px; right: 0;
  transform: translateX(35%);
  pointer-events: none;
}

/* ---- Footer ---- */
.footer {
  background: var(--bg-primary);
  color: var(--text-inverse-color);
  padding: 5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}
.footer-brand .nav-brand { margin-bottom: 1.25rem; }
/* Lighten logo text on dark footer background */
.footer .nav-brand { color: var(--text-inverse-color); }
.footer .nav-brand .brand-mark {
  width: 158px;
  height: 48px;
  border-radius: 6px;
  background-color: #fff;
  background-size: 88%;
}
.footer .nav-brand .brand-cn { color: var(--text-inverse-color); }
.footer .nav-brand .brand-en { color: rgba(238,241,255,0.6); }
.footer-brand p { font-size: 0.875rem; color: rgba(238,241,255,0.65); max-width: 280px; }
.footer-col h5 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.125em;
  text-transform: uppercase;
  color: var(--text-inverse-color);
  opacity: 0.6;
  margin-bottom: 1.25rem;
  font-family: var(--font-body);
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col a {
  font-size: 0.875rem;
  color: rgba(238,241,255,0.75);
  transition: color 0.3s var(--ease);
}
.footer-col a:hover { color: var(--text-inverse-color); }
.footer-bottom {
  border-top: 1px solid var(--border-inverse-hair);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: rgba(238,241,255,0.55);
  flex-wrap: wrap;
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ---- Reveal animation base ---- */
.reveal { opacity: 1; transform: none; }
.js-ready .reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.js-ready .reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ---- Pipeline table ---- */
.pipeline-table { width: 100%; border-collapse: collapse; }
.pipeline-table th, .pipeline-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border-hair);
  font-size: 0.9rem;
}
.dark .pipeline-table th, .dark .pipeline-table td { border-color: var(--border-inverse-hair); }
.pipeline-table th {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary-accent-color);
}
.dark .pipeline-table th { color: rgba(238,241,255,0.6); }
.pill-status {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 600;
}
.pill-pre { background: #fff4d6; color: #8a6a00; }
.pill-listed { background: var(--accent-mint); color: #192556; }
.pill-soon { background: #e8eef9; color: #2a4a8a; }

/* ---- Video gallery ---- */
.video-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  aspect-ratio: 16 / 11;
}
.video-card video { width: 100%; height: 100%; object-fit: cover; }

/* ---- Tabs ---- */
.tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.tab {
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-hair);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary-color);
  transition: all 0.3s var(--ease);
}
.dark .tab { border-color: var(--border-inverse-hair); color: rgba(238,241,255,0.8); }
.tab.active { background: var(--text-primary-color); color: var(--text-inverse-color); border-color: var(--text-primary-color); }
.dark .tab.active { background: var(--text-inverse-color); color: var(--bg-primary); border-color: var(--text-inverse-color); }

/* ---- Utility ---- */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-0 { margin-bottom: 0; }

/* ---- Read more link on news cards ---- */
.read-more {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-secondary-color);
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}
.card:hover .read-more { color: var(--text-primary-color); transform: translateX(4px); }
.dark .card:hover .read-more { color: var(--text-inverse-color); }
button.card[onclick*="organoid-detail"] .card-body::after {
  content: '查看数据详情 →';
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.8rem;
  color: var(--text-primary-accent-color);
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}
button.card[onclick*="organoid-detail"]:hover .card-body::after {
  color: var(--text-primary-color);
  transform: translateX(4px);
}

/* ---- Keyboard and reduced-motion accessibility ---- */
:focus-visible {
  outline: 2px solid #4f6bb0;
  outline-offset: 4px;
}
.dark :focus-visible { outline-color: var(--accent-mint); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js-ready .reveal { opacity: 1; transform: none; }
}

/* ---- News article detail ---- */
.article-hero {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 21 / 9;
  margin-bottom: 3rem;
}
.article-hero img { width: 100%; height: 100%; object-fit: cover; }
.article-body { max-width: 760px; margin-inline: auto; }
.article-body p { margin-bottom: 1.5rem; line-height: 1.8; font-size: 1rem; }
.article-body h3 {
  margin: 2.5rem 0 1rem;
  font-size: 1.5rem;
}
.article-body figure { margin: 2rem 0; }
.article-body figure img {
  width: 100%; border-radius: var(--radius); margin-bottom: 0.75rem;
}
.article-body figcaption {
  font-size: 0.8rem; color: var(--text-primary-accent-color); text-align: center;
}
.article-source-list {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 1.75rem;
}
.article-source-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius);
  color: var(--text-primary-color);
  background: var(--bg-secondary);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
}
.article-source-link:hover {
  transform: translateY(-2px);
  background: var(--text-primary-color);
  color: var(--text-inverse-color);
}
.article-source-link strong,
.article-source-link small { display: block; }
.article-source-link strong { font-size: 0.95rem; }
.article-source-link small { margin-top: 0.2rem; font-size: 0.78rem; opacity: 0.72; }
.article-source-link > span:last-child { font-size: 1.15rem; }
.article-meta {
  display: flex; gap: 1rem; align-items: center;
  font-size: 0.85rem; color: var(--text-primary-accent-color);
  margin-bottom: 1.5rem; flex-wrap: wrap;
}
.article-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: currentColor; opacity: 0.5; }
.organoid-hero {
  position: relative;
  min-height: min(39rem, calc(100vh - 5rem));
  display: flex;
  align-items: end;
  overflow: hidden;
  color: var(--text-inverse-color);
  background: #08110d;
}
.organoid-hero > img,
.organoid-hero-shade {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}
.organoid-hero > img { object-fit: cover; object-position: center; }
.organoid-hero-shade { background: linear-gradient(90deg, rgba(8, 17, 13, 0.88), rgba(8, 17, 13, 0.4) 58%, rgba(8, 17, 13, 0.08)); }
.organoid-hero-content { position: relative; z-index: 1; padding-bottom: clamp(3.5rem, 8vw, 7rem); }
.organoid-hero-content .eyebrow { color: rgba(255, 255, 255, 0.7); }
.organoid-hero-content h1 { color: var(--text-inverse-color); max-width: 48rem; }
.organoid-hero-content p { max-width: 42rem; margin-top: 1rem; color: rgba(255, 255, 255, 0.84); font-size: 1.08rem; line-height: 1.8; }
.organoid-overview { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.8fr); gap: clamp(2.5rem, 7vw, 7rem); align-items: center; }
.organoid-overview h2 { margin: 0.5rem 0 1rem; }
.organoid-overview > div > p { max-width: 42rem; }
.organoid-figure { margin: 0; }
.organoid-figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); display: block; }
.organoid-figure figcaption { margin-top: 0.75rem; font-size: 0.8rem; color: var(--text-primary-accent-color); text-align: center; }
.organoid-data-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 2rem; border: 1px solid var(--border-hair); background: var(--border-hair); }
.organoid-data-grid:empty { display: none; }
.organoid-data-grid > div { padding: 1rem; background: var(--bg-secondary); }
.organoid-data-grid dt { margin-bottom: 0.35rem; font-size: 0.72rem; letter-spacing: 0.05em; color: var(--text-primary-accent-color); }
.organoid-data-grid dd { margin: 0; font-family: var(--font-heading); font-size: 1rem; color: var(--text-primary-color); }
.organoid-evidence-section { border-top: 1px solid var(--border-inverse-hair); }
.organoid-evidence-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 4vw, 3.5rem); }
.organoid-evidence-grid h3 { color: var(--text-inverse-color); font-size: 1.15rem; margin-bottom: 1.2rem; }
.organoid-timeline,
.organoid-data-list { margin: 0; padding: 0; list-style: none; }
.organoid-timeline { counter-reset: timeline; }
.organoid-timeline li,
.organoid-data-list li { position: relative; margin-bottom: 0.9rem; padding-left: 1.7rem; color: rgba(255, 255, 255, 0.78); line-height: 1.7; }
.organoid-timeline li::before { counter-increment: timeline; content: counter(timeline, decimal-leading-zero); position: absolute; left: 0; top: 0.1rem; color: rgba(255, 255, 255, 0.52); font-size: 0.72rem; }
.organoid-data-list li::before { content: ''; position: absolute; left: 0.2rem; top: 0.7rem; width: 0.35rem; height: 0.35rem; border-radius: 50%; background: #86c79d; }
.organoid-raw-data-section { padding-top: clamp(2rem, 4vw, 4rem); background: var(--bg-secondary-accent); }
.organoid-raw-figure { margin: 0; background: var(--bg-secondary); border: 1px solid var(--border-hair); }
.organoid-raw-figure img { width: 100%; max-height: none; object-fit: contain; background: #fff; }
.organoid-raw-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.85rem; margin-top: 0.85rem; }
.organoid-gallery-item { display: block; overflow: hidden; border: 1px solid var(--border-hair); background: #090909; }
.organoid-gallery-item img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; transition: transform 0.35s var(--ease); }
.organoid-gallery-item:hover img { transform: scale(1.03); }
.heart-data-section { background: var(--bg-secondary-accent); }
.heart-data-section[hidden] { display: none; }
.heart-block { padding: clamp(2rem, 4vw, 3.5rem) 0; border-top: 1px solid var(--border-hair); }
.heart-block-copy { max-width: 46rem; margin-bottom: 1.5rem; }
.heart-block-copy h3 { margin: 0.5rem 0 0.75rem; font-size: clamp(1.8rem, 3vw, 2.6rem); }
.heart-block-copy p { color: var(--text-secondary-color); line-height: 1.85; }
.organoid-advantages {
  display: grid;
  gap: 0.55rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}
.organoid-advantages:empty { display: none; }
.organoid-advantages li {
  position: relative;
  padding-left: 1rem;
  color: var(--text-secondary-color);
  line-height: 1.7;
}
.organoid-advantages li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--text-primary-accent-color);
}
.heart-product-layout { display: grid; grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.heart-sku-block { margin-top: 1.25rem; }
.heart-sku-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--border-hair); background: var(--border-hair); }
.heart-sku-grid.is-background-matched { border-color: transparent; background: transparent; }
.heart-sku-grid.is-background-matched .heart-sku { border: 1px solid var(--border-hair); }
.heart-sku { min-height: 12rem; padding: 1.35rem; background: var(--bg-secondary); }
.heart-sku strong { display: inline-block; margin-bottom: 1rem; font-size: 0.8rem; letter-spacing: 0.12em; color: var(--text-primary-accent-color); }
.heart-sku h4 { margin: 0 0 0.8rem; font-size: 1.2rem; }
.heart-sku p { color: var(--text-secondary-color); font-size: 0.9rem; line-height: 1.75; }
.heart-character-video {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
  gap: 1rem;
  align-items: stretch;
  margin: 1.25rem 0 1.5rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-hair);
}
.heart-character-video video {
  width: 100%;
  min-height: 18rem;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #000;
}
.heart-character-video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}
.heart-character-video-grid video {
  min-height: 18rem;
}
.heart-character-video-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0.5rem 0.5rem 0.5rem 0.25rem;
}
.heart-character-video-copy h4 { margin: 0.4rem 0 0.75rem; font-size: 1.35rem; }
.heart-character-video-copy p { margin: 0; color: var(--text-secondary-color); line-height: 1.8; }
.heart-character-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.heart-character-card { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(13rem, 0.7fr); gap: 1rem; align-items: center; padding: 1rem; background: var(--bg-secondary); border: 1px solid var(--border-hair); }
.heart-character-placeholder { display: flex; min-height: 20rem; align-items: center; justify-content: center; text-align: center; border-style: dashed; background: transparent; }
.heart-character-placeholder .eyebrow { margin-bottom: 0.65rem; }
.heart-character-card h4 { margin: 0 0 0.6rem; font-size: 1rem; }
.heart-character-card p { margin: 0; color: var(--text-secondary-color); font-size: 0.88rem; line-height: 1.7; }
.heart-application-card { display: block; }
.heart-application-card .heart-block-copy { max-width: 58rem; margin-bottom: 1.25rem; }
.heart-shot-grid { display: block; }
.heart-image-card { position: relative; display: flex; flex-direction: column; overflow: hidden; background: #fff; border: 1px solid var(--border-hair); box-shadow: 0 20px 48px -36px rgba(0, 0, 0, 0.45); }
.heart-image-kicker { display: flex; align-items: center; justify-content: space-between; min-height: 2.25rem; padding: 0 0.85rem; color: var(--text-primary-accent-color); background: #f7faf8; border-bottom: 1px solid var(--border-hair); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.heart-image-card img { width: 100%; aspect-ratio: 4 / 3; display: block; object-fit: contain; background: #fff; transition: transform 0.35s var(--ease); }
.heart-image-caption { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 3rem; padding: 0.75rem 0.85rem; color: var(--text-primary-color); background: #fff; border-top: 1px solid var(--border-hair); font-size: 0.84rem; line-height: 1.45; }
.heart-image-caption em { flex: 0 0 auto; color: var(--text-secondary-color); font-style: normal; font-size: 0.76rem; }
.heart-image-card:hover img { transform: scale(1.015); }
.heart-figure-board { overflow: hidden; max-width: 72rem; background: #fff; border: 1px solid var(--border-hair); box-shadow: 0 20px 48px -36px rgba(0, 0, 0, 0.45); }
.heart-figure-head,
.heart-figure-caption { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.8rem 1rem; background: #f7faf8; border-bottom: 1px solid var(--border-hair); }
.heart-figure-head span { color: var(--text-primary-accent-color); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em; }
.heart-figure-head em { color: var(--text-secondary-color); font-style: normal; font-size: 0.78rem; }
.heart-figure-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1px; background: var(--border-hair); }
.heart-figure-item { display: flex; align-items: center; justify-content: center; min-height: clamp(13rem, 18vw, 17rem); padding: 0.85rem; background: #fff; overflow: hidden; }
.heart-figure-item img { width: 100%; height: clamp(11rem, 16vw, 15rem); object-fit: contain; transition: transform 0.35s var(--ease); }
.heart-figure-item:hover img { transform: scale(1.015); }
.heart-figure-grid .heart-figure-item:only-child { min-height: clamp(17rem, 30vw, 25rem); }
.heart-figure-grid .heart-figure-item:only-child img { height: clamp(15rem, 28vw, 23rem); }
.heart-figure-caption { justify-content: flex-start; color: var(--text-primary-color); background: #fff; border-top: 1px solid var(--border-hair); border-bottom: 0; font-size: 0.92rem; line-height: 1.5; }
.organoid-next-step { display: flex; align-items: center; justify-content: space-between; gap: 2rem; border-top: 1px solid var(--border-hair); }
.organoid-next-step h2 { margin: 0.5rem 0 0.8rem; }
.organoid-next-step p { max-width: 43rem; }
@media (max-width: 860px) {
  .organoid-hero { min-height: 34rem; }
  .organoid-hero-shade { background: linear-gradient(0deg, rgba(8, 17, 13, 0.88), rgba(8, 17, 13, 0.18)); }
  .organoid-overview,
  .organoid-evidence-grid,
  .heart-product-layout,
  .heart-character-video,
  .heart-character-video-grid,
  .heart-character-grid,
  .heart-character-card,
  .heart-application-card,
  .heart-shot-grid,
  .heart-sku-grid { grid-template-columns: 1fr; }
  .organoid-raw-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .organoid-next-step { flex-direction: column; align-items: flex-start; }
}
.article-nav {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border-hair);
}
.article-nav a {
  font-size: 0.9rem; font-weight: 500;
  padding: 0.75rem 1.25rem; border-radius: var(--radius-pill);
  border: 1px solid var(--border-hair);
  transition: all 0.3s var(--ease);
}
.article-nav a:hover { border-color: var(--text-primary-color); background: var(--text-primary-color); color: var(--text-inverse-color); }

/* ==========================================================================
   Strevora-precise homepage sections
   ========================================================================== */

/* ---- Split-with-divider (Section 1: business) ---- */
.split-divider {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  align-items: center;
  gap: 0;
  padding-top: 2rem;
}
.split-divider .col-left { padding: 2.5rem; max-width: 35.625rem; margin-inline: auto; }
.split-divider .col-right { padding: 2.5rem; max-width: 30rem; margin-inline: auto; }
.split-divider .v-line {
  width: 1px;
  background: var(--border-hair);
  height: 70%;
  margin-inline: auto;
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform 1s var(--ease);
}
.split-divider.is-visible .v-line { transform: scaleY(1); }
.section-bottom-line {
  height: 1px;
  background: var(--border-hair);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 1.2s var(--ease);
  margin-top: 1rem;
}
.split-divider.is-visible ~ .section-bottom-line,
.is-visible > .section-bottom-line { transform: scaleX(1); }
@media (max-width: 860px) {
  .split-divider { grid-template-columns: 1fr; }
  .split-divider .v-line { display: none; }
}

/* ---- Odometer counters (Section 2) ---- */
.odometer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.odometer-left { flex: 1; max-width: 30rem; }
.odometer-right {
  flex: 1; max-width: 40rem;
  display: grid; grid-template-columns: 1fr 1px 1fr; gap: 0;
}
.odometer-right .v-line {
  width:1px; background: var(--border-hair);
  height: 80%; margin-inline: auto;
  transform: scaleY(0); transform-origin: 50% 0;
  transition: transform 1s var(--ease) 0.2s;
}
.odometer-right.is-visible .v-line { transform: scaleY(1); }
.counter { text-align: center; padding: 1rem; }
.counter .num {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  color: var(--text-primary-color);
  line-height: 1;
  display: inline-block;
}
.counter .num .suffix { font-family: var(--font-heading); }
.counter .label {
  font-size: 0.85rem;
  color: var(--text-secondary-color);
  margin-top: 0.75rem;
  letter-spacing: 0.03em;
}

/* ---- Asymmetric overlap card (Section 3) ---- */
.overlap-section { position: relative; }
.overlap-img-col {
  flex: 1; max-width: 44rem;
  margin-top: -9.8rem;
  position: relative;
  z-index: 2;
}
.overlap-img {
  width: 100%;
  max-width: 37.5rem;
  height: clamp(20rem, 42vw, 30rem);
  object-fit: cover;
  border-radius: 1.25rem 12.5rem; /* asymmetric: top-left small, bottom-right large */
  overflow: hidden;
}
.overlap-img img { width: 100%; height: 100%; object-fit: cover; display:block; border-radius: inherit; }
.overlap-text-col {
  flex: 1; max-width: 35.625rem;
  padding: 4rem 0;
}
.overlap-flex {
  display: flex; justify-content: space-between; gap: 2.5rem; align-items: flex-start;
}
@media (max-width: 860px) {
  .overlap-flex { flex-direction: column; }
  .overlap-img-col { margin-top: 0; }
}

/* ---- Brand marquee (clients) ---- */
.clients-band {
  background: var(--bg-primary-accent);
  padding: 2.8rem 0 3.125rem;
}
.clients-band .marquee-track { gap: 5.625rem; padding-right: 5.625rem; }
.brand-logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--text-inverse-color);
  opacity: 0.7;
  white-space: nowrap;
  letter-spacing: 0.02em;
  transition: opacity 0.3s var(--ease);
}
.brand-logo:hover { opacity: 1; }
.clients-band .marquee {
  -webkit-mask-image: none;
  mask-image: none;
}

/* ---- Hero scroll indicator ---- */
.scroll-cue {
  position: absolute;
  bottom: 2rem; 
  left: calc((100vw - var(--container-width))/2 );
  z-index: 4;
  color: var(--text-inverse-color);
  font-size: 0.7rem;
  padding-inline: 1.5rem; 
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.6;
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
}
.scroll-cue .line {
  width: 1px; height: 40px;
  background: var(--text-inverse-color);
  animation: scrollPulse 2s var(--ease) infinite;
  transform-origin: top;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.3); opacity: 0.3; }
  50% { transform: scaleY(1); opacity: 0.8; }
}

/* ---- Video bento gallery ---- */
.product-video-section {
  padding-block: clamp(2.25rem, 5vh, 4rem);
}
.product-video-section .section-head {
  margin-bottom: clamp(1.5rem, 3vh, 2.25rem);
}
.video-bento {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.25rem;
  width: 86%;
  height: min(clamp(26rem, 36vw, 37rem), calc(100vh - 20rem));
  margin-inline: auto;
}
.video-bento .v-item {
  position: relative;
  min-height: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--border-inverse-hair);
}
.video-bento .v-item video {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.video-bento .v-label {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 2rem 1.5rem 1.25rem;
  background: linear-gradient(0deg, rgba(25,37,86,0.92), transparent);
  z-index: 2;
}
.video-bento .v-label .eyebrow {
  margin-bottom: 0.35rem;
  color: var(--text-inverse-color);
  opacity: 0.8;
}
.video-bento .v-label h4 {
  color: var(--text-inverse-color);
  font-size: 1.125rem;
  margin-bottom: 0.2rem;
}
.video-bento .v-label p {
  font-size: 0.8rem;
  color: rgba(238,241,255,0.75);
  margin: 0;
}
.v-item.v-feat { grid-row: span 2; aspect-ratio: auto; }
.v-item:not(.v-feat) { aspect-ratio: auto; }
@media (max-width: 860px) {
  .product-video-section { padding-block: 3rem; }
  .video-bento { grid-template-columns: 1fr; width: 100%; height: auto; }
  .v-item.v-feat { grid-row: auto; aspect-ratio: 16 / 10; }
  .v-item:not(.v-feat) { aspect-ratio: 16 / 10; }
}

/* ---- Consumer product detail ---- */
.consumer-detail-section {
  background: var(--bg-secondary);
}
.consumer-product {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.consumer-product.reverse .consumer-media {
  order: 2;
}
.consumer-media,
.storage-visual {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bg-secondary-accent);
  border: 1px solid var(--border-hair);
  aspect-ratio: 4 / 3;
}
.consumer-media img,
.storage-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 2rem 1.5rem 1.4rem;
  background: linear-gradient(0deg, rgba(25,37,86,0.9), transparent);
  color: var(--text-inverse-color);
}
.media-caption .eyebrow {
  margin-bottom: 0.35rem;
  color: var(--text-inverse-color);
  opacity: 0.82;
}
.media-caption h3 {
  color: var(--text-inverse-color);
  margin-bottom: 0.3rem;
}
.media-caption p {
  max-width: 32rem;
  font-size: 0.88rem;
  color: rgba(238,241,255,0.78);
}
.video-entry {
  position: absolute;
  right: 1.2rem;
  top: 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  max-width: calc(100% - 2.4rem);
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-pill);
  background: rgba(25,37,86,0.88);
  color: var(--text-inverse-color);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: 0 12px 30px -18px rgba(0,0,0,0.45);
}
.play-mark {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--text-inverse-color);
  position: relative;
  flex: 0 0 auto;
}
.play-mark::after {
  content: "";
  position: absolute;
  left: 0.68rem;
  top: 0.5rem;
  border-left: 0.52rem solid var(--bg-primary);
  border-top: 0.36rem solid transparent;
  border-bottom: 0.36rem solid transparent;
}
.consumer-copy h3 {
  margin-bottom: 1.2rem;
}
.info-list {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.info-list div {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-hair);
}
.info-list dt {
  font-weight: 600;
  color: var(--text-primary-color);
}
.info-list dd {
  color: var(--text-secondary-color);
}
.selling-grid {
  display: grid;
  gap: 0.9rem;
}
.selling-grid div {
  padding: 1rem;
  border-radius: 0.75rem;
  background: var(--bg-primary-inverse);
  border: 1px solid var(--border-hair);
}
.selling-grid strong,
.selling-grid span {
  display: block;
}
.selling-grid strong {
  color: var(--text-primary-color);
  margin-bottom: 0.35rem;
}
.selling-grid span {
  font-size: 0.88rem;
}
.support-grid,
.report-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}
.support-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.support-panel,
.report-card {
  border: 1px solid var(--border-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-primary-inverse);
}
.support-panel {
  padding: 1rem;
}
.support-panel .eyebrow {
  margin-bottom: 0.75rem;
}
.support-panel img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
}
.report-head {
  margin-top: 1rem;
}
.report-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.report-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 45px -28px rgba(0,0,0,0.35);
}
.report-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: top center;
  background: #fff;
}
.report-card strong {
  color: var(--text-primary-color);
  padding: 0.9rem 0.9rem 0.15rem;
  font-size: 0.9rem;
}
.report-card span {
  padding: 0 0.9rem 0.9rem;
  color: var(--text-primary-accent-color);
  font-size: 0.78rem;
}
.after-sale {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: 2rem;
  align-items: start;
  margin-top: clamp(3rem, 6vw, 5rem);
  padding: 2rem;
  border-radius: var(--radius);
  background: var(--bg-primary);
  color: var(--text-inverse-color);
}
.after-sale h3 {
  color: var(--text-inverse-color);
  margin-bottom: 0.65rem;
}
.after-sale p {
  color: rgba(238,241,255,0.78);
}

/* ---- Health storage detail ---- */
.storage-detail-section {
  padding-top: clamp(4rem, 8vw, 7rem);
}
.storage-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.storage-hero h2 {
  margin-bottom: 1rem;
}
.storage-hero p {
  max-width: 42rem;
}
.storage-visual {
  aspect-ratio: 16 / 10;
  border-color: var(--border-inverse-hair);
}
.storage-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(25,37,86,0.28), rgba(25,37,86,0.06));
  pointer-events: none;
}
.storage-video {
  z-index: 2;
  background: rgba(238,241,255,0.92);
  color: var(--bg-primary);
}
.storage-video .play-mark {
  background: var(--bg-primary);
}
.storage-video .play-mark::after {
  border-left-color: var(--text-inverse-color);
}
.quality-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.6rem;
}
.quality-tags span {
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-inverse-hair);
  color: rgba(238,241,255,0.82);
  font-size: 0.78rem;
}
.storage-process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.storage-process > div,
.storage-system {
  border: 1px solid var(--border-inverse-hair);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.04);
}
.storage-process > div {
  padding: 1.35rem;
}
.step-num {
  display: block;
  margin-bottom: 1.5rem;
  color: var(--accent-mint);
  font-family: var(--font-heading);
  font-size: 1.7rem;
}
.storage-process h3 {
  font-size: 1.12rem;
  margin-bottom: 0.65rem;
}
.storage-process p {
  font-size: 0.88rem;
}
.storage-system {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1rem;
  padding: 1.6rem;
}
.storage-system h3 {
  margin-bottom: 0.6rem;
}
.storage-system p {
  max-width: 52rem;
  font-size: 0.9rem;
}
@media (max-width: 1100px) {
  .report-grid,
  .storage-process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .consumer-product,
  .storage-hero,
  .after-sale,
  .storage-system {
    grid-template-columns: 1fr;
  }
  .storage-system {
    flex-direction: column;
    align-items: flex-start;
  }
  .storage-system .btn {
    width: 100%;
    justify-content: center;
  }
  .consumer-product.reverse .consumer-media {
    order: 0;
  }
  .support-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .report-grid,
  .storage-process {
    grid-template-columns: 1fr;
  }
  .info-list div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
  .video-entry {
    left: 1rem;
    right: 1rem;
    justify-content: center;
  }
}

/* ==========================================================================
   Intro video (homepage) — cinematic showcase
   ========================================================================== */
.intro-video-section {
  padding-top: clamp(3rem, 6vw, 6rem);
}
.intro-video-section .section-head {
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.intro-video-wrap {
  position: relative;
  width: min(100%, 960px);
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 1px solid var(--border-hair);
  cursor: pointer;
}
.intro-video-wrap video { width: 100%; height: 100%; object-fit: cover; display: block; background: #000; }
.intro-video-wrap .iv-label {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 2.5rem 2rem 3.25rem;
  background: linear-gradient(0deg, rgba(25,37,86,0.9), transparent);
  z-index: 2;
  pointer-events: none;
}
.intro-video-wrap .iv-label .eyebrow { color: var(--text-inverse-color); opacity: 0.85; margin-bottom: 0.4rem; }
.intro-video-wrap .iv-label h3 { color: var(--text-inverse-color); }
@media (max-width: 768px) {
  .intro-video-section { padding-top: 3rem; }
  .intro-video-section .section-head { margin-bottom: 1.75rem; }
  .intro-video-wrap { aspect-ratio: 16 / 9; }
  .intro-video-wrap .iv-label { padding: 1.5rem 1rem 2.75rem; }
}

/* ==========================================================================
   Product / Service modal system — centered half-screen dialog
   ========================================================================== */
.modal-root {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
}
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(10,14,30,0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
  pointer-events: none;
}
.modal-root.is-open .modal-backdrop { opacity: 1; pointer-events: auto; }
.modal-panel {
  position: relative;
  width: min(1100px, 92vw);
  max-height: 88dvh;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-columns: 5fr 6fr;
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.5);
  pointer-events: none;
}
.modal-root.is-open .modal-panel {
  opacity: 1; transform: translateY(0) scale(1); pointer-events: auto;
}
/* Visual column (image + title overlay) */
.modal-visual {
  position: relative;
  background: var(--bg-primary);
  overflow: hidden;
  min-height: 320px;
}
.modal-visual img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.modal-visual img.is-contain {
  object-fit: contain;
  padding: 1rem;
  background: #0b1431;
}
.modal-visual::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(25,37,86,0.25) 0%, rgba(25,37,86,0.85) 100%);
}
.modal-visual .mv-title {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 2rem;
  z-index: 2;
}
.modal-visual .mv-title .eyebrow { color: var(--accent-mint); margin-bottom: 0.5rem; }
.modal-visual .mv-title h3 { color: var(--text-inverse-color); font-size: 1.75rem; }
/* Content column */
.modal-content {
  display: flex; flex-direction: column;
  max-height: 88dvh;
}
.modal-head {
  display: flex; align-items: flex-start; justify-content: flex-end;
  padding: 1rem 1.25rem 0;
  flex-shrink: 0;
}
.modal-close {
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-hair);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--text-primary-color);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}
.modal-close:hover { background: var(--text-primary-color); color: var(--text-inverse-color); transform: rotate(90deg); }
.modal-body { padding: 0.5rem 2.25rem 2.25rem; overflow-y: auto; }
.modal-section { margin-bottom: 1.75rem; }
.modal-section:last-child { margin-bottom: 0; }
.modal-section h4 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.modal-section > .eyebrow { margin-bottom: 0.4rem; }
.modal-section p { font-size: 0.92rem; }
.chip-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.5rem; }
.chip {
  display: inline-flex; align-items: center;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-pill);
  background: var(--bg-secondary-accent);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary-color);
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}
.chip:hover { background: var(--accent-mint); transform: translateY(-2px); }
body.modal-lock { overflow: hidden; }
@media (max-width: 860px) {
  .modal-panel { grid-template-columns: 1fr; max-height: 90dvh; }
  .modal-visual { min-height: 180px; }
  .modal-body { padding: 0.5rem 1.5rem 1.75rem; }
}

/* ---- Big-sector cards (3 business pillars) ---- */
.sector-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.sector-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-primary-accent);
  border: 1px solid var(--border-inverse-hair);
  min-height: 20rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  text-align: left;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.sector-card:hover { transform: translateY(-6px); box-shadow: 0 24px 60px -24px rgba(0,0,0,0.5); }
.sector-card .sec-eyebrow {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.125em;
  text-transform: uppercase; color: var(--accent-mint); margin-bottom: 0.6rem;
}
.sector-card h3 { color: var(--text-inverse-color); font-size: 1.5rem; margin-bottom: 0.5rem; }
.sector-card p { color: rgba(238,241,255,0.72); font-size: 0.88rem; }
.sector-card .sec-arrow {
  margin-top: 1.25rem;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em;
  color: var(--text-inverse-color);
  display: inline-flex; align-items: center; gap: 0.4rem;
  transition: gap 0.3s var(--ease);
}
.sector-card:hover .sec-arrow { gap: 0.7rem; }
@media (max-width: 980px) { .sector-grid { grid-template-columns: 1fr; } }