:root { --ink:#152d48; --muted:#53667b; --line:#e2e9f1; --accent:#216bd5; --tint:#eef5ff; --paper:#f7f9fc; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:24px; }
body { margin:0; color:var(--ink); background:#fff; font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif; }
body[data-app="nurse"] { --accent:#087c71; --tint:#edf9f6; }
body[data-app="hospital"] { --accent:#154995; --tint:#eff3fa; }
a { color:inherit; text-decoration:none; }
button { font:inherit; }
a:focus-visible, button:focus-visible { outline:3px solid var(--accent); outline-offset:5px; }
img { display:block; max-width:100%; }
.wrap { width:min(1120px,calc(100% - 48px)); margin-inline:auto; }
.site-header { background:#fff; border-bottom:1px solid var(--line); }
.header-inner { min-height:88px; display:flex; align-items:center; justify-content:space-between; gap:28px; }
.brand { display:flex; align-items:center; gap:10px; font-size:23px; font-weight:750; letter-spacing:1px; white-space:nowrap; }
.brand img { width:48px; height:48px; object-fit:contain; }
.nav { display:flex; align-items:center; gap:36px; }
.nav a { position:relative; display:flex; align-items:center; min-height:52px; color:var(--muted); font-size:15px; }
.nav a:hover, .nav a[aria-current] { color:var(--accent); }
.nav a[aria-current] { font-weight:650; }
.nav a[aria-current]::after { content:""; position:absolute; bottom:3px; left:0; right:0; height:2px; background:var(--accent); }
.hero { background:linear-gradient(115deg,var(--tint),#fafcfe); border-bottom:1px solid var(--line); }
.hero-grid { display:grid; grid-template-columns:1.2fr 1fr; align-items:center; gap:70px; padding-block:76px; }
.hero-copy { min-width:0; }
.eyebrow { margin:0 0 16px; color:var(--accent); font-size:14px; font-weight:650; letter-spacing:2px; }
h1 { margin:0; font-size:clamp(36px,4vw,52px); line-height:1.35; letter-spacing:-1px; }
.hero-tagline { margin:15px 0 0; font-size:25px; font-weight:600; line-height:1.5; }
.hero-description { max-width:540px; margin:22px 0 28px; color:var(--muted); }
.hero-actions { display:flex; flex-wrap:wrap; gap:14px; }
.button { display:inline-flex; align-items:center; justify-content:center; gap:12px; min-height:48px; padding:11px 24px; border:1px solid var(--accent); border-radius:9px; background:var(--accent); color:#fff; font-weight:600; font-size:15px; cursor:pointer; }
.button:hover { filter:brightness(.94); }
.button.secondary { color:var(--accent); background:#fff; }
.release-note { margin:15px 0 0; color:var(--muted); font-size:13px; }
.brand-visual { position:relative; display:flex; flex-direction:column; align-items:center; justify-content:center; min-height:350px; border:1px solid #dbe7f3; border-radius:32px; background:#ffffffb8; box-shadow:0 20px 70px #1f52980a; text-align:center; }
.brand-visual img { width:205px; height:205px; object-fit:contain; }
.brand-visual strong { margin-top:10px; font-size:30px; letter-spacing:3px; }
.brand-visual p { margin:6px 14px 0; color:var(--muted); font-size:14px; }
.app-visual { min-height:365px; }
.app-visual img { width:178px; height:178px; border-radius:28px; box-shadow:0 12px 34px #182f4e0d; }
.app-visual strong { margin-top:22px; font-size:23px; letter-spacing:0; }
.section { padding-block:68px; }
.section.soft { background:var(--paper); border-block:1px solid var(--line); }
.section-head { margin-bottom:32px; }
h2 { margin:0; font-size:29px; line-height:1.4; }
.section-head p { margin:12px 0 0; color:var(--muted); font-size:15px; }
.benefit-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:34px; }
.benefit { padding-top:18px; border-top:2px solid #d9e7f8; }
.benefit h3 { margin:0 0 12px; font-size:20px; }
.benefit p { margin:0; color:var(--muted); font-size:15px; }
.number { display:block; margin-bottom:18px; color:var(--accent); font-size:13px; font-weight:700; letter-spacing:2px; }
.app-links { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; }
.app-link { display:block; padding:26px; border:1px solid var(--line); border-radius:14px; background:#fff; transition:border-color .15s; }
.app-link:hover { border-color:var(--accent); }
.app-link img { width:72px; height:72px; margin-bottom:22px; }
.app-link h3 { margin:0; font-size:21px; }
.app-link p { min-height:54px; margin:12px 0 22px; color:var(--muted); font-size:14px; }
.text-link { color:var(--accent); font-size:14px; font-weight:600; }
.feature-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
.feature { padding:28px 30px; border:1px solid var(--line); border-radius:12px; background:#fff; }
.feature h3 { margin:0 0 12px; font-size:20px; }
.feature p { margin:0; color:var(--muted); font-size:15px; }
.steps { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:26px; margin:0; padding:0; list-style:none; counter-reset:step; }
.steps li { counter-increment:step; padding-top:18px; border-top:1px solid var(--line); }
.steps li::before { content:"0" counter(step); display:block; margin-bottom:14px; color:var(--accent); font-size:15px; font-weight:700; }
.steps h3 { margin:0 0 10px; font-size:18px; }
.steps p { margin:0; color:var(--muted); font-size:14px; }
.download-panel { display:flex; align-items:center; justify-content:space-between; gap:40px; padding:36px 40px; border:1px solid var(--line); border-radius:18px; background:var(--tint); }
.download-heading { display:flex; align-items:center; gap:22px; min-width:0; }
.download-heading img { width:80px; height:80px; border-radius:14px; }
.download-heading h2 { font-size:25px; }
.download-heading p { margin:9px 0 0; color:var(--muted); font-size:14px; }
.download-actions { display:flex; flex-wrap:wrap; gap:12px; flex:none; }
.support-note { margin:24px 0 0; color:var(--muted); font-size:13px; }
.site-footer { padding-block:32px; border-top:1px solid var(--line); color:var(--muted); font-size:12px; }
.footer-inner { display:flex; justify-content:space-between; gap:32px; }
.footer-brand { margin:0 0 8px; color:var(--ink); font-size:17px; font-weight:700; }
.site-footer p { margin:4px 0; }
.footer-links { display:flex; flex-wrap:wrap; align-items:start; gap:22px; }
.footer-links a:hover { color:var(--accent); }
.download-notice { width:min(360px,calc(100% - 40px)); max-width:none; padding:28px; border:0; border-radius:16px; color:var(--ink); box-shadow:0 20px 70px #142b4533; }
.download-notice::backdrop { background:#142b4573; }
.download-notice h2 { font-size:22px; }
.download-notice p { margin:14px 0 24px; color:var(--muted); font-size:15px; }
.download-notice form { margin:0; }
.download-notice .button { width:100%; }
@media (max-width:1000px) {
  .hero-grid { gap:36px; }
  .download-panel { align-items:start; flex-direction:column; gap:26px; }
  .app-link { padding:22px; }
}
@media (max-width:760px) {
  .hero-grid { grid-template-columns:1fr; padding-block:48px; }
  .brand-visual { min-height:300px; }
  .brand-visual img { width:170px; height:170px; }
  .app-visual img { width:145px; height:145px; }
  .benefit-grid,.app-links { grid-template-columns:1fr; gap:24px; }
  .app-link p { min-height:0; }
  .steps { grid-template-columns:repeat(2,minmax(0,1fr)); gap:28px; }
  .footer-inner { flex-direction:column; gap:20px; }
}
@media (max-width:600px) {
  .wrap { width:calc(100% - 36px); }
  .header-inner { flex-direction:column; align-items:stretch; gap:0; padding-top:12px; }
  .brand { width:fit-content; gap:8px; font-size:21px; }
  .brand img { width:42px; height:42px; }
  .nav { justify-content:space-between; gap:18px; padding-bottom:7px; }
  .nav a { min-height:48px; font-size:14px; }
  .hero-grid { gap:32px; padding-block:38px; }
  h1 { font-size:35px; letter-spacing:0; }
  .hero-tagline { font-size:22px; }
  .hero-description { font-size:15px; }
  .hero-actions .button { padding-inline:20px; }
  .brand-visual { min-height:280px; border-radius:22px; }
  .brand-visual strong { font-size:26px; }
  .section { padding-block:42px; }
  h2 { font-size:25px; }
  .feature-grid,.steps { grid-template-columns:1fr; }
  .feature { padding:24px; }
  .download-panel { padding:26px 22px; }
  .download-heading { align-items:start; gap:14px; }
  .download-heading img { width:64px; height:64px; }
  .download-heading h2 { font-size:21px; }
  .download-actions { width:100%; }
  .download-actions .button { flex:1; padding-inline:15px; white-space:nowrap; }
  .footer-links { gap:20px; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } .app-link { transition:none; } }