:root {
  --brand-950: #052716;
  --brand-900: #06301a;
  --brand-800: #0b4428;
  --brand-700: #14613a;
  --brand-500: #2f9a5a;
  --brand-100: #eaf6ee;
  --gold: #d4af37;
  --gold-light: #f5df8f;
  --ink: #102018;
  --muted: #6b7a71;
  --line: rgba(6, 48, 26, .1);
  --paper: #fbfdf9;
  --blue: #2d72d4;
  --coral: #d96b4f;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #e7eee8;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.page {
  width: min(100%, 480px);
  margin: 0 auto;
  min-height: 100vh;
  background: var(--paper);
  box-shadow: 0 24px 80px rgba(5, 39, 22, .18);
  overflow: hidden;
}
.hero {
  position: relative;
  min-height: 100svh;
  padding: 42px 24px 28px;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(145deg, rgba(5, 39, 22, .95), rgba(7, 52, 30, .98) 48%, rgba(10, 32, 24, 1)),
    url("share-cover.png") center/cover;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 120px;
  background: linear-gradient(to top, var(--paper), rgba(251, 253, 249, 0));
  pointer-events: none;
}
.mesh {
  position: absolute;
  inset: 0;
  opacity: .28;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, #000, transparent 76%);
}
.hero-inner, .hero-showcase { position: relative; z-index: 1; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  border: 1px solid rgba(212, 175, 55, .45);
  background: rgba(212, 175, 55, .11);
  color: var(--gold-light);
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 11px;
  letter-spacing: .12em;
  white-space: nowrap;
}
.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(212, 175, 55, .16);
  flex: 0 0 auto;
}
.overline {
  margin: 24px 0 10px;
  color: rgba(225, 246, 233, .75);
  font-size: 11px;
  letter-spacing: .24em;
}
h1, h2, h3, p { margin: 0; }
.hero h1 {
  font-size: 44px;
  line-height: 1.04;
  letter-spacing: 0;
  font-weight: 850;
}
.hero h1 span {
  color: transparent;
  background: linear-gradient(90deg, #fff, #bdf2cf 48%, var(--gold-light));
  -webkit-background-clip: text;
  background-clip: text;
}
.hero h2 {
  margin-top: 17px;
  max-width: 370px;
  font-size: 22px;
  line-height: 1.28;
  color: var(--gold-light);
}
.hero-copy {
  margin-top: 16px;
  max-width: 360px;
  color: rgba(235, 250, 240, .84);
  font-size: 14px;
  line-height: 1.8;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 24px;
}
.hero-stats div {
  min-height: 74px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  background: rgba(255,255,255,.07);
  padding: 12px 8px;
  text-align: center;
  backdrop-filter: blur(10px);
}
.hero-stats strong {
  display: block;
  font-size: 19px;
  color: #d9ffe6;
}
.hero-stats span {
  display: block;
  margin-top: 3px;
  font-size: 10px;
  color: rgba(235, 250, 240, .68);
}
.hero-actions {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border-radius: 16px;
  font-weight: 760;
  letter-spacing: 0;
}
.btn.primary {
  color: #14240e;
  background: linear-gradient(135deg, var(--gold-light), var(--gold) 58%, #ad8422);
  box-shadow: 0 18px 34px rgba(212, 175, 55, .24);
}
.btn.ghost {
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.06);
  color: #fff;
}
.hero-showcase {
  position: relative;
  height: 378px;
  margin-top: 26px;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.035)),
    radial-gradient(ellipse at 50% 100%, rgba(212,175,55,.16), transparent 58%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.12),
    0 28px 70px rgba(0,0,0,.16);
  overflow: hidden;
}
.hero-showcase::before {
  content: "实时预警 · 健康档案 · 家属同步";
  position: absolute;
  left: 18px;
  top: 16px;
  z-index: 3;
  border: 1px solid rgba(212,175,55,.25);
  border-radius: 999px;
  background: rgba(6,48,26,.52);
  padding: 7px 10px;
  color: var(--gold-light);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .08em;
  backdrop-filter: blur(10px);
}
.hero-showcase::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  height: 52px;
  border-radius: 50%;
  background: rgba(2,18,10,.28);
  filter: blur(24px);
}
.phone {
  position: absolute;
  margin: 0;
  z-index: 2;
  filter: drop-shadow(0 24px 34px rgba(0,0,0,.28));
}
.phone img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top;
}
.phone-main {
  right: 36px;
  top: 42px;
  width: 170px;
  height: 306px;
  transform: rotate(1.5deg);
}
.phone-side {
  left: 44px;
  top: 68px;
  width: 150px;
  height: 270px;
  transform: rotate(-4deg);
  opacity: .96;
  z-index: 1;
}
.quick-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 10px 12px;
  background: rgba(251, 253, 249, .96);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(6,48,26,.06);
  backdrop-filter: blur(16px);
}
.quick-nav a {
  border: 1px solid rgba(6,48,26,.12);
  border-radius: 999px;
  background: #eef8f2;
  padding: 11px 0;
  text-align: center;
  font-size: 12px;
  font-weight: 760;
  color: var(--brand-800);
  box-shadow: 0 8px 18px rgba(6,48,26,.06);
  transition: transform .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
}
.quick-nav a:active {
  transform: translateY(1px);
}
.quick-nav a.active {
  border-color: rgba(6,48,26,.18);
  background: linear-gradient(135deg, var(--brand-700), var(--brand-900));
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08), 0 10px 22px rgba(6,48,26,.18);
}
.section {
  position: relative;
  padding: 64px 22px;
}
.quick-nav + .section {
  padding-top: 30px;
}
.section.light { background: var(--paper); }
.section.dark {
  color: #fff;
  background:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(145deg, var(--brand-950), var(--brand-900));
  background-size: 28px 28px, 28px 28px, auto;
}
.section-head {
  margin-bottom: 28px;
}
.section-head .number {
  display: inline-block;
  margin-right: 8px;
  color: var(--brand-500);
  font-weight: 850;
  font-size: 12px;
}
.section-head p {
  display: inline-flex;
  align-items: center;
  color: var(--brand-700);
  font-size: 11px;
  letter-spacing: .18em;
  font-weight: 720;
}
.section-head h2 {
  margin-top: 8px;
  font-size: 26px;
  line-height: 1.25;
  font-weight: 850;
  color: var(--brand-950);
}
.section-head span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}
.section-head.inverted p, .section-head.inverted .number { color: var(--gold-light); }
.section-head.inverted h2 { color: #fff; }
.section-head.inverted span { color: rgba(235,250,240,.72); }
.pain-grid {
  display: grid;
  gap: 12px;
}
.pain-grid article,
.value-wall article,
.terminal-strip div {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  padding: 16px;
  box-shadow: 0 12px 32px rgba(14, 72, 42, .06);
}
.pain-grid b,
.value-wall b,
.terminal-strip strong {
  display: block;
  color: var(--brand-900);
  font-size: 16px;
}
.pain-grid span,
.value-wall span,
.terminal-strip span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}
.architecture-card {
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  background: rgba(255,255,255,.08);
  padding: 8px;
}
.architecture-card img {
  border-radius: 14px;
  background: #fff;
}
.terminal-strip {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}
.terminal-strip div {
  border-color: rgba(255,255,255,.12);
  background: rgba(255,255,255,.08);
  box-shadow: none;
}
.terminal-strip strong { color: #fff; }
.terminal-strip span { color: rgba(235,250,240,.72); }
.tabs-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
  border: 1px solid rgba(47,154,90,.16);
  border-radius: 999px;
  background: #eef8f2;
  padding: 7px 11px;
  color: var(--brand-700);
  font-size: 11px;
  font-weight: 760;
}
.tabs-hint::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-500);
  box-shadow: 0 0 0 4px rgba(47,154,90,.12);
}
.module-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
  border: 1px solid rgba(6,48,26,.1);
  border-radius: 18px;
  background: #fff;
  padding: 7px;
  box-shadow: 0 12px 28px rgba(6,48,26,.06);
}
.module-tabs button {
  position: relative;
  min-height: 46px;
  border: 1px solid rgba(6,48,26,.1);
  border-radius: 13px;
  background: #f5fbf7;
  color: var(--brand-800);
  font-size: 13px;
  font-weight: 820;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.7);
}
.module-tabs button.active {
  color: #fff;
  background: linear-gradient(135deg, var(--brand-700), var(--brand-900));
  border-color: transparent;
  box-shadow: 0 10px 22px rgba(6,48,26,.18);
}
.module-tabs button::after {
  content: "›";
  display: inline-block;
  margin-left: 5px;
  color: currentColor;
  opacity: .72;
  transform: translateY(-1px);
}
.module-panel {
  display: none;
  gap: 14px;
}
.module-panel.active { display: grid; }
.feature-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 116px;
  gap: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  padding: 16px 12px 16px 16px;
  box-shadow: 0 14px 36px rgba(14, 72, 42, .07);
}
.feature-card p,
.operation-grid p {
  color: var(--brand-500);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .16em;
}
.feature-card h3,
.operation-grid h3 {
  margin-top: 6px;
  color: var(--brand-950);
  font-size: 19px;
  line-height: 1.25;
}
.feature-card span,
.operation-grid span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.7;
}
.feature-card ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}
.feature-card li {
  position: relative;
  padding-left: 14px;
  margin-top: 6px;
  color: #3d5146;
  font-size: 12px;
  line-height: 1.55;
}
.feature-card li::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}
.feature-card img {
  width: 116px;
  height: 214px;
  object-fit: contain;
  object-position: top;
  filter: drop-shadow(0 16px 18px rgba(6, 48, 26, .16));
}
.operation-board {
  display: grid;
  gap: 14px;
}
.operation-hero-card {
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,.11), rgba(255,255,255,.055));
  box-shadow: 0 18px 46px rgba(0,0,0,.18);
}
.operation-hero-copy {
  padding: 18px 18px 14px;
}
.operation-hero-copy p {
  color: var(--gold-light);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .16em;
}
.operation-hero-copy h3 {
  margin-top: 7px;
  color: #fff;
  font-size: 22px;
  line-height: 1.25;
}
.operation-hero-copy span {
  display: block;
  margin-top: 9px;
  color: rgba(235,250,240,.72);
  font-size: 12.5px;
  line-height: 1.75;
}
.operation-hero-image {
  position: relative;
  margin: 0 10px 10px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  background: rgba(255,255,255,.08);
}
.operation-hero-image::after,
.operation-grid article::after {
  content: "点击放大查看";
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 3;
  border: 1px solid rgba(212,175,55,.26);
  border-radius: 999px;
  background: rgba(6,48,26,.72);
  padding: 6px 9px;
  color: var(--gold-light);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: 0;
  backdrop-filter: blur(10px);
  pointer-events: none;
}
.operation-hero-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: top left;
  cursor: zoom-in;
  transition: transform .45s ease, filter .45s ease;
}
.operation-hero-image.in-view img {
  transform: scale(1.035);
  filter: saturate(1.08) contrast(1.03);
}
.operation-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.operation-metrics div {
  min-height: 82px;
  border: 1px solid rgba(212,175,55,.2);
  border-radius: 16px;
  background: rgba(212,175,55,.08);
  padding: 12px 8px;
}
.operation-metrics strong {
  display: block;
  color: var(--gold-light);
  font-size: 13px;
  line-height: 1.25;
}
.operation-metrics span {
  display: block;
  margin-top: 6px;
  color: rgba(235,250,240,.68);
  font-size: 11px;
  line-height: 1.45;
}
.operation-grid {
  display: grid;
  gap: 12px;
}
.operation-grid article {
  position: relative;
  display: grid;
  gap: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.12), rgba(255,255,255,.055)),
    radial-gradient(circle at 100% 0%, rgba(212,175,55,.12), transparent 48%);
  padding: 13px;
  box-shadow: 0 14px 30px rgba(0,0,0,.1);
}
.operation-grid img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 8.4;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 14px;
  background: #fff;
  object-fit: cover;
  object-position: top left;
  box-shadow: 0 12px 24px rgba(0,0,0,.16);
  cursor: zoom-in;
  transition: transform .45s ease, filter .45s ease;
}
.operation-grid article.in-view img {
  transform: scale(1.035);
  filter: saturate(1.08) contrast(1.03);
}
.operation-grid div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 0;
}
.operation-grid p {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--gold-light);
  font-size: 10px;
  line-height: 1;
}
.operation-grid p::before {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 25px;
  height: 20px;
  border-radius: 999px;
  background: rgba(212,175,55,.16);
  color: var(--gold-light);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0;
}
.operation-grid article:nth-child(1) p::before { content: "01"; }
.operation-grid article:nth-child(2) p::before { content: "02"; }
.operation-grid article:nth-child(3) p::before { content: "03"; }
.operation-grid h3 {
  margin-top: 9px;
  color: #fff;
  font-size: 17px;
  line-height: 1.28;
}
.operation-grid span {
  display: block;
  margin-top: 6px;
  color: rgba(235,250,240,.7);
  font-size: 12px;
  line-height: 1.65;
}
.value-wall {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.visual-band {
  overflow: hidden;
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  padding: 8px;
  box-shadow: 0 14px 36px rgba(14, 72, 42, .07);
}
.visual-band img { border-radius: 14px; }
.contact {
  padding: 64px 22px 28px;
  color: #fff;
  background:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(160deg, #062515, #0a3b23 58%, #092119);
  background-size: 28px 28px, 28px 28px, auto;
}
.contact-inner {
  text-align: center;
}
.contact h2 {
  font-size: 30px;
  line-height: 1.25;
  color: var(--gold-light);
}
.contact span {
  display: block;
  margin: 14px auto 0;
  max-width: 360px;
  color: rgba(235,250,240,.75);
  font-size: 13px;
  line-height: 1.8;
}
.contact-panel {
  display: grid;
  gap: 12px;
  margin: 28px 0 18px;
  text-align: left;
}
.contact-call,
.contact-tile {
  position: relative;
  display: grid;
  gap: 5px;
  width: 100%;
  border: 1px solid rgba(255,255,255,.14);
  color: #fff;
  text-align: left;
  overflow: hidden;
}
.contact-call {
  min-height: 118px;
  border-radius: 22px;
  background:
    radial-gradient(circle at 100% 0%, rgba(245,223,143,.28), transparent 42%),
    linear-gradient(135deg, rgba(255,255,255,.13), rgba(255,255,255,.065));
  padding: 20px 18px;
  box-shadow: 0 18px 40px rgba(0,0,0,.16);
}
.contact-call::after,
.contact-tile::after {
  content: "›";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gold-light);
  font-size: 24px;
  line-height: 1;
}
.contact-call small,
.contact-tile small {
  color: rgba(235,250,240,.68);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .14em;
}
.contact-call strong {
  margin-top: 4px;
  color: #fff;
  font-size: 30px;
  line-height: 1;
}
.contact-call em,
.contact-tile em {
  color: var(--gold-light);
  font-style: normal;
  font-size: 12px;
  font-weight: 760;
}
.contact-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.contact-tile {
  min-height: 112px;
  border-radius: 18px;
  background: rgba(255,255,255,.08);
  padding: 15px 34px 15px 15px;
}
.contact-tile.copied {
  border-color: rgba(245,223,143,.45);
  background: rgba(212,175,55,.14);
}
.contact-tile strong {
  color: #fff;
  font-size: 15px;
  line-height: 1.2;
  word-break: break-word;
}
.contact-call:active,
.contact-tile:active {
  transform: translateY(1px);
}
.wide { width: 100%; }
footer {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: rgba(235,250,240,.52);
  font-size: 10px;
  line-height: 1.7;
}
.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(2, 18, 10, .88);
  padding: 18px;
  backdrop-filter: blur(14px);
}
.image-lightbox.open {
  display: flex;
}
.image-lightbox img {
  width: min(100%, 980px);
  max-height: 82vh;
  object-fit: contain;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 24px 80px rgba(0,0,0,.45);
}
.lightbox-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  background: rgba(255,255,255,.1);
  color: #fff;
  font-size: 24px;
  line-height: 1;
}
.lightbox-caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  color: rgba(255,255,255,.78);
  font-size: 12px;
  text-align: center;
}
body.lightbox-lock {
  overflow: hidden;
}
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .58s ease, transform .58s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
@media (max-width: 374px) {
  .hero { padding-left: 18px; padding-right: 18px; }
  .hero h1 { font-size: 39px; }
  .hero h2 { font-size: 20px; }
  .eyebrow { font-size: 10px; letter-spacing: .08em; }
  .feature-card { grid-template-columns: 1fr; }
  .feature-card img { width: 100%; height: 280px; }
  .value-wall { grid-template-columns: 1fr; }
}
