:root {
  color-scheme: dark;
  --ink-950: #03060d;
  --ink-900: #070d18;
  --ink-800: #0c1526;
  --cyan: #2ee6d6;
  --cyan-ink: #03060d;
  --blue: #7aa6ff;
  --gold: #c9a86c;
  --text: #e8eef8;
  --muted: #94a3b8;
  --soft: #64748b;
  --nav: #cbd5e1;
  --line: rgba(255, 255, 255, 0.08);
  --surface: rgba(12, 21, 38, 0.55);
  --panel: rgba(12, 21, 38, 0.5);
  --header-bg: rgba(3, 6, 13, 0.75);
  --header-line: rgba(255, 255, 255, 0.05);
  --chip: rgba(255, 255, 255, 0.05);
  --chip-text: #cbd5e1;
  --input-bg: rgba(3, 6, 13, 0.6);
  --input-line: rgba(255, 255, 255, 0.1);
  --footer-bg: #03060d;
  --section-alt: rgba(7, 13, 24, 0.45);
  --doc-card: linear-gradient(180deg, rgba(14, 22, 38, 0.96), rgba(8, 14, 26, 0.98));
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
  --noise-opacity: 0.045;
}

html[data-theme="light"] {
  color-scheme: light;
  --ink-950: #f3f6fa;
  --ink-900: #ffffff;
  --ink-800: #e8eef5;
  --cyan: #0f9d92;
  --cyan-ink: #ffffff;
  --text: #122033;
  --muted: #5c6b7c;
  --soft: #6b7a8c;
  --nav: #3d4d61;
  --line: rgba(15, 28, 46, 0.1);
  --surface: #ffffff;
  --panel: #ffffff;
  --header-bg: rgba(255, 255, 255, 0.88);
  --header-line: rgba(15, 28, 46, 0.08);
  --chip: rgba(15, 28, 46, 0.06);
  --chip-text: #3d4d61;
  --input-bg: #ffffff;
  --input-line: rgba(15, 28, 46, 0.12);
  --footer-bg: #e8eef5;
  --section-alt: #eef2f7;
  --doc-card: #ffffff;
  --shadow: 0 16px 40px rgba(18, 32, 51, 0.08);
  --noise-opacity: 0.028;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--ink-950);
  color: var(--text);
  font-family: "Manrope", "Noto Sans SC", system-ui, sans-serif;
  transition: background-color .25s ease, color .25s ease;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
button, input, textarea { font: inherit; color: inherit; }
::selection { background: rgba(46, 230, 214, 0.28); color: #fff; }

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 80;
  opacity: var(--noise-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 72px 0; }
.section-alt { background: var(--section-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.kicker {
  margin: 0 0 12px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(46, 230, 214, 0.8);
}
h1, h2, .display {
  font-family: Syne, "Noto Sans SC", sans-serif;
  letter-spacing: -0.02em;
}
.section-title { max-width: 640px; }
.section-title:has(.company-legal) { max-width: 920px; }
.section-title h2 { margin: 0; font-size: clamp(28px, 4vw, 36px); }
.section-title h2.company-legal { font-size: clamp(22px, 3.1vw, 32px); letter-spacing: 0.04em; line-height: 1.25; }
.section-title p { margin: 16px 0 0; color: var(--muted); line-height: 1.8; }

.header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--header-line);
  background: var(--header-bg);
  backdrop-filter: blur(18px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark { width: 40px; height: 40px; flex: 0 0 auto; border-radius: 10px; object-fit: cover; display: block; }
.logo-en { font-family: Syne, sans-serif; font-size: 15px; font-weight: 700; letter-spacing: 0.16em; }
.logo-zh { font-family: Syne, sans-serif; font-size: 11px; letter-spacing: 0.18em; color: rgba(46, 230, 214, 0.7); }
.nav { display: flex; gap: 28px; }
.nav a { font-size: 14px; color: var(--nav); }
.nav a:hover, .nav a.active { color: var(--cyan); }
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex: 0 0 auto;
}
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-moon { display: none; }
html[data-theme="light"] .theme-toggle .icon-sun { display: none; }
html[data-theme="light"] .theme-toggle .icon-moon { display: block; }
.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-cyan { background: var(--cyan); color: var(--cyan-ink); }
.btn-cyan:hover { filter: brightness(1.08); }
.btn-ghost { border-color: rgba(46, 230, 214, 0.4); background: rgba(46, 230, 214, 0.1); color: var(--cyan); }
.btn-line { border-color: rgba(255,255,255,0.15); color: #fff; }

.hero { position: relative; overflow: hidden; }
.hero-photo { position: absolute; inset: 0; }
.hero-photo img {
  position: absolute;
  inset: -24px;
  width: calc(100% + 48px);
  height: calc(100% + 48px);
  object-fit: cover;
  object-position: center;
  filter: saturate(0.7) contrast(1.08) blur(8px);
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.3s ease;
}
.hero-photo img.is-active {
  opacity: 1;
  animation: heroKen 8s ease-out forwards;
}
@keyframes heroKen {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-photo img {
    transition: none;
    animation: none;
    transform: none;
  }
}
.hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(3,6,13,0.94) 0%, rgba(3,6,13,0.78) 48%, rgba(3,6,13,0.52) 100%),
    linear-gradient(180deg, rgba(3,6,13,0.15), rgba(3,6,13,0.82));
}
.hero-grid {
  pointer-events: none;
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46,230,214,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,230,214,0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.4;
}
.hero-glow {
  pointer-events: none;
  position: absolute;
  border-radius: 999px;
  filter: blur(70px);
}
.hero-glow.a { left: -80px; top: 40px; width: 320px; height: 320px; background: rgba(46,230,214,0.12); }
.hero-glow.b { right: 0; top: 80px; width: 380px; height: 380px; background: rgba(99,102,241,0.15); }
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 56px 0 48px;
}
.pill {
  display: inline-flex;
  border: 1px solid rgba(46,230,214,0.25);
  background: rgba(46,230,214,0.08);
  color: var(--cyan);
  border-radius: 999px;
  padding: 6px 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
}
.hero h1 { margin: 16px 0 0; font-size: clamp(28px, 4.2vw, 42px); line-height: 1.2; }
.lead { max-width: 560px; color: var(--muted); line-height: 2; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 28px; }
.stat, .card {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 16px;
  padding: 20px;
}
.stat strong { display: block; font-family: Syne, sans-serif; font-size: 24px; }
.stat span { display: block; margin-top: 6px; font-size: 12px; color: var(--soft); }
.hero .stat {
  background: rgba(12, 21, 38, 0.22);
  border-color: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.helix-panel {
  justify-self: end;
  align-self: stretch;
  width: min(100%, 480px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(12, 21, 38, 0.5);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.helix-visual {
  position: relative;
  flex: 1 1 auto;
  min-height: 260px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 42%, rgba(46, 230, 214, 0.16), transparent 64%);
}
.helix-visual svg {
  position: relative;
  z-index: 1;
  width: min(100%, 280px);
  height: 100%;
  min-height: 260px;
}
.helix-glow {
  pointer-events: none;
  position: absolute;
  left: 18%;
  right: 18%;
  top: 12%;
  bottom: 12%;
  border-radius: 999px;
  background: rgba(46, 230, 214, 0.14);
  filter: blur(42px);
  animation: pulseGlow 4s ease-in-out infinite;
}
.helix-body {
  padding: 16px 18px 18px;
}
.helix-body > b {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  font-weight: 400;
}
.helix-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}
.helix-steps li {
  border: 1px solid var(--line);
  background: var(--chip);
  border-radius: 12px;
  padding: 10px 12px;
}
.helix-steps em {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  font-style: normal;
}
.helix-steps span {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  color: var(--text);
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.mt-8 { margin-top: 32px; }
.mt-10 { margin-top: 40px; }
.row-between { display: flex; justify-content: space-between; align-items: end; gap: 24px; }

.card:hover { border-color: rgba(46,230,214,0.3); }
.card h3 { margin: 16px 0 8px; font-size: 20px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.card .meta { display: flex; justify-content: space-between; align-items: center; }
.mono { font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: 0.08em; color: var(--muted); }
.gold { color: var(--gold); }
.more { margin-top: 20px; font-size: 12px; color: rgba(46,230,214,0.8); }

.mol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.mol-card {
  overflow: hidden;
  padding: 0;
  transition: transform .2s ease, border-color .2s ease;
}
.mol-card:hover { transform: translateY(-4px); }
.mol-card figure {
  margin: 0;
  aspect-ratio: 1;
  overflow: hidden;
  background: #070d18;
}
.mol-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.mol-card:hover img { transform: scale(1.05); }
.mol-meta { padding: 16px 18px 18px; }
.mol-meta b { display: block; margin-top: 6px; font-size: 18px; }
.mol-formula {
  margin: 8px 0 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}
.mol-card .more { margin-top: 12px; }

.product-card { position: relative; overflow: hidden; display: block; transition: transform .2s ease, border-color .2s ease; padding-top: 0; }
.product-card:hover { transform: translateY(-4px); box-shadow: 0 0 40px rgba(46,230,214,0.18); }
.product-card h3 { margin: 16px 0 4px; font-size: 18px; }
.thumb, .media {
  display: block;
  overflow: hidden;
}
.thumb {
  height: 108px;
  margin: 0 -20px 14px;
  background: #0b1528;
}
.product-card .thumb {
  height: 188px;
  margin: 0 -20px 4px;
  background: #efe8dc;
}
.product-card .thumb img {
  filter: none;
  object-position: center 42%;
}
.product-hero {
  margin: 18px 0 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #efe8dc;
}
.product-hero a { display: block; cursor: zoom-in; }
.product-hero img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}
.media { height: 108px; margin: 0 -20px 14px; border-radius: 16px 16px 0 0; }
.card.has-media { padding-top: 0; }
.thumb img, .media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.05);
  transition: transform .45s ease;
}
.card:hover .thumb img, .card:hover .media img { transform: scale(1.06); }

.showcase {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  grid-template-rows: repeat(3, minmax(168px, 1fr));
  gap: 16px;
  min-height: 560px;
}
.shot {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  min-height: 168px;
  border: 1px solid var(--line);
}
.showcase .shot:first-child {
  grid-row: 1 / -1;
  min-height: 560px;
}
.shot img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.95) brightness(0.92);
  transition: transform .5s ease;
}
.shot:hover img { transform: scale(1.04); }
.shot figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 22px;
  background: linear-gradient(transparent, rgba(3,6,13,0.9));
}
.shot figcaption b { display: block; font-family: Syne, sans-serif; font-size: 20px; }
.shot figcaption span { display: block; margin-top: 6px; color: #cbd5e1; font-size: 13px; }

.cta-photo { position: absolute; inset: 0; }
.cta-photo img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.6) brightness(0.35); }
.cta-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(3,6,13,0.78), rgba(3,6,13,0.45));
}
.cta > *:not(.cta-photo) { position: relative; }

.doc-grid,
.coa-grid,
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.doc-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--doc-card);
  box-shadow: var(--shadow);
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.doc-card:hover {
  transform: translateY(-4px);
  border-color: rgba(46, 230, 214, 0.28);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.38);
}
.doc-preview {
  display: block;
  aspect-ratio: 4 / 3;
  background: #f4f1ea;
}
.doc-preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  background: #f4f1ea;
  transition: transform .4s ease;
}
.doc-card:hover .doc-preview img { transform: scale(1.035); }
.doc-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px 16px;
  border-top: 1px solid var(--line);
}
.doc-meta em {
  font-style: normal;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(46, 230, 214, 0.78);
}
.doc-meta b { font-size: 15px; font-weight: 600; }
.doc-meta span { font-size: 12px; color: var(--muted); }
.product-shots { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 20px 0; }
.product-shots img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0b1220;
}
.product-shots img.doc { object-fit: contain; background: #f4f7fb; }

@media (max-width: 960px) {
  .doc-grid, .cert-grid, .coa-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .doc-grid, .cert-grid, .coa-grid, .product-shots { grid-template-columns: 1fr; }
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.chip {
  background: var(--chip);
  border-radius: 6px;
  padding: 4px 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--chip-text);
}

.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-btn, .search {
  border: 1px solid var(--input-line);
  background: transparent;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 12px;
  color: var(--chip-text);
  cursor: pointer;
}
.filter-btn.active { background: var(--cyan); color: var(--cyan-ink); border-color: var(--cyan); }
.search { background: var(--ink-800); min-width: 260px; outline: none; }
.search:focus, input:focus, textarea:focus { box-shadow: 0 0 0 1px rgba(46,230,214,0.45); }

.toolbar { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin: 32px 0 12px; flex-wrap: wrap; }
.count { font-family: "JetBrains Mono", monospace; font-size: 12px; color: var(--soft); }

.cta {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(46,230,214,0.2);
  background: linear-gradient(135deg, var(--ink-800), var(--ink-950));
  padding: 48px;
}
.cta h2 { margin: 0; font-size: 32px; }
.cta p { max-width: 560px; color: var(--muted); line-height: 1.8; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form input, .form textarea {
  width: 100%;
  border: 1px solid var(--input-line);
  background: var(--input-bg);
  border-radius: 12px;
  padding: 12px 16px;
  outline: none;
}
.form textarea, .form .full, .form .btn, .form .wa-hint { grid-column: 1 / -1; }
.btn .wa-ico {
  width: 18px;
  height: 18px;
  margin-right: 8px;
  flex: 0 0 auto;
}
.wa-hint {
  margin: 0;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}
.wa-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.wa-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.wa-meta .mono {
  display: block;
  margin-bottom: 6px;
}
.wa-meta p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.7;
}
.wa-product {
  margin-top: 10px !important;
  color: var(--cyan) !important;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px;
}
.wa-lines {
  display: grid;
  gap: 10px;
}
.wa-line {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(46, 230, 214, 0.32);
  background: rgba(46, 230, 214, 0.1);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}
.wa-line:hover {
  border-color: #2ee6d6;
  background: rgba(46, 230, 214, 0.18);
  color: inherit;
  transform: translateY(-1px);
}
.wa-line svg {
  width: 22px;
  height: 22px;
  color: #2ee6d6;
  flex: 0 0 auto;
}
.wa-line em {
  display: block;
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--soft);
  font-family: "JetBrains Mono", ui-monospace, monospace;
}
.wa-line strong {
  display: block;
  margin-top: 2px;
  font-size: 18px;
  letter-spacing: 0.04em;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 600;
}
.footer-col .wa-nums {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 2px;
}
.footer-col .wa-nums a {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px;
  color: var(--cyan);
}
.ok {
  border: 1px solid rgba(46,230,214,0.25);
  background: rgba(46,230,214,0.08);
  border-radius: 16px;
  padding: 24px;
  line-height: 1.8;
}

.footer { border-top: 1px solid var(--header-line); background: var(--footer-bg); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 40px; padding: 56px 0; }
.footer p, .footer a { color: var(--muted); font-size: 14px; line-height: 1.8; }
.footer a:hover { color: var(--cyan); }
.footer-col b {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--soft);
  font-weight: 400;
  margin-bottom: 16px;
}
.legal {
  border-top: 1px solid var(--header-line);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--soft);
  font-size: 12px;
}
.legal span:first-child { max-width: 52%; line-height: 1.6; }

.crumb { font-size: 12px; color: var(--soft); }
.crumb a:hover { color: var(--cyan); }
.detail { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 32px; margin-top: 24px; }
.panel { border: 1px solid var(--line); background: var(--panel); border-radius: 24px; padding: 32px; }
.dl { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.dl div { border: 1px solid var(--line); border-radius: 16px; padding: 16px; }
.dl dt { font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: 0.12em; color: var(--soft); }
.dl dd { margin: 8px 0 0; font-size: 18px; }
.apps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 16px; padding: 0; list-style: none; }
.apps li { background: var(--chip); border-radius: 12px; padding: 8px 12px; font-size: 14px; color: var(--chip-text); }

html[data-theme="light"] .hero-photo img {
  filter: saturate(1.02) contrast(1.08) brightness(0.78) blur(10px);
}
html[data-theme="light"] .hero-photo::after {
  background:
    linear-gradient(105deg, rgba(3,6,13,0.28) 0%, rgba(3,6,13,0.14) 42%, rgba(3,6,13,0.06) 100%),
    linear-gradient(180deg, transparent 55%, rgba(3,6,13,0.16) 100%);
}
html[data-theme="light"] .hero-grid {
  opacity: 0.1;
  background-image:
    linear-gradient(rgba(15,157,146,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,157,146,0.1) 1px, transparent 1px);
}
html[data-theme="light"] .hero-glow.a,
html[data-theme="light"] .hero-glow.b {
  opacity: 0.35;
}
html[data-theme="light"] .hero h1 {
  color: #f7fbff;
  text-shadow: 0 2px 16px rgba(3, 6, 13, 0.42);
}
html[data-theme="light"] .hero .lead {
  color: rgba(247, 251, 255, 0.88);
  text-shadow: 0 1px 12px rgba(3, 6, 13, 0.32);
}
html[data-theme="light"] .hero .btn-line {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.42);
}
html[data-theme="light"] .wa-line {
  background: rgba(46, 230, 214, 0.12);
  border-color: rgba(14, 140, 132, 0.28);
}
html[data-theme="light"] .wa-line strong { color: var(--text); }
html[data-theme="light"] .hero .stat {
  background: rgba(12, 21, 38, 0.32);
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: 0 10px 28px rgba(3, 6, 13, 0.12);
  color: #f7fbff;
}
html[data-theme="light"] .hero .stat strong {
  color: #f7fbff;
}
html[data-theme="light"] .hero .stat span {
  color: rgba(247, 251, 255, 0.82);
}
html[data-theme="light"] .helix-panel {
  background: rgba(12, 21, 38, 0.5);
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: 0 16px 40px rgba(3, 6, 13, 0.18);
}
html[data-theme="light"] .helix-body > b,
html[data-theme="light"] .helix-steps em {
  color: #2ee6d6;
}
html[data-theme="light"] .helix-steps span {
  color: #f7fbff;
}
html[data-theme="light"] .helix-steps li {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}
html[data-theme="light"] .cta-photo img {
  filter: saturate(0.4) brightness(1.25);
}
html[data-theme="light"] .cta-photo::after {
  background: linear-gradient(90deg, rgba(255,255,255,0.94) 0%, rgba(243,246,250,0.78) 55%, rgba(243,246,250,0.55) 100%);
}
html[data-theme="light"] .cta {
  border-color: rgba(15, 157, 146, 0.22);
  background: #fff;
}
html[data-theme="light"] .shot figcaption {
  background: linear-gradient(transparent, rgba(243,246,250,0.92));
}
html[data-theme="light"] .shot figcaption span { color: var(--muted); }
html[data-theme="light"] .kicker { color: #0f9d92; }
html[data-theme="light"] .logo-zh { color: rgba(15, 157, 146, 0.8); }
html[data-theme="light"] .btn-ghost {
  color: #0f9d92;
  border-color: rgba(15, 157, 146, 0.35);
  background: rgba(15, 157, 146, 0.08);
}
html[data-theme="light"] .doc-card { box-shadow: var(--shadow); }
html[data-theme="light"] .product-card:hover { box-shadow: 0 12px 32px rgba(15, 157, 146, 0.12); }
html[data-theme="light"] .mol-card {
  box-shadow: var(--shadow);
}
html[data-theme="light"] .mol-card:hover { box-shadow: 0 12px 32px rgba(15, 157, 146, 0.12); }

@keyframes pulseGlow {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 0.9; }
}

@media (max-width: 960px) {
  .hero-inner, .detail, .footer-grid, .grid-4, .grid-3, .stats, .showcase, .mol-grid { grid-template-columns: 1fr 1fr; }
  .showcase {
    grid-template-rows: 280px 200px;
    min-height: 0;
  }
  .showcase .shot:first-child {
    grid-column: 1 / -1;
    grid-row: auto;
    min-height: 280px;
  }
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    left: 0; right: 0; top: 72px;
    background: var(--ink-900);
    padding: 16px 20px 24px;
    border-bottom: 1px solid var(--line);
  }
  .menu-btn { display: block; }
  .header { position: sticky; }
}
@media (max-width: 720px) {
  .hero-inner, .detail, .footer-grid, .grid-4, .grid-3, .grid-2, .stats, .form, .dl, .apps, .legal, .showcase, .wa-box, .mol-grid { grid-template-columns: 1fr; }
  .legal { flex-direction: column; }
  .legal span:first-child { max-width: none; }
  .helix-panel { justify-self: stretch; width: 100%; }
  .helix-visual, .helix-visual svg { min-height: 220px; }
  .hero-inner, .section { padding: 48px 0; }
  .cta { padding: 28px; }
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(3, 6, 13, 0.86);
  backdrop-filter: blur(10px);
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: min(920px, 92vw);
  max-height: 88vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  background: #0b1220;
}
.lightbox-close {
  position: absolute;
  top: 18px;
  right: 18px;
  border: 1px solid rgba(46, 230, 214, 0.35);
  background: rgba(7, 13, 24, 0.85);
  color: #2ee6d6;
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
}
.doc-card, .coa-grid a, .cert-grid a, .product-shots a { cursor: zoom-in; }

.wa-dock {
  position: fixed;
  right: max(22px, env(safe-area-inset-right));
  bottom: max(22px, env(safe-area-inset-bottom));
  z-index: 85;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}
.wa-dock-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.wa-dock.open .wa-dock-menu,
.wa-dock:hover .wa-dock-menu,
.wa-dock:focus-within .wa-dock-menu {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}
.wa-dock-menu a {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #2ee6d6;
  color: #072428;
  padding: 10px 14px;
  border-radius: 12px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 10px 24px rgba(46, 230, 214, 0.32);
}
.wa-dock-menu a:hover { color: #072428; filter: brightness(1.06); }
.wa-float {
  width: 56px;
  height: 56px;
  border: 0;
  border-radius: 50%;
  background: #2ee6d6;
  color: #072428;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 28px rgba(46, 230, 214, 0.38);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  cursor: pointer;
}
.wa-float:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 14px 32px rgba(46, 230, 214, 0.48);
}
.wa-float svg {
  width: 30px;
  height: 30px;
  display: block;
}