/* 智扣原创模板 ZK-009 · 医疗器械官网 · 版权归智扣所有 */
:root {
  --ink: #16232C;
  --ink-2: #2E404E;
  --muted: #5E7182;
  --line: #DCE6EF;
  --line-2: #C8D8E6;
  --navy: #12355B;
  --navy-deep: #0C2540;
  --blue: #1F5C96;
  --blue-2: #3B7CBF;
  --soft: #EEF3F8;
  --paper: #F7FAFD;
  --white: #fff;
  --radius: 4px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1140px, calc(100% - 48px)); margin: 0 auto; }
section[id] { scroll-margin-top: 84px; }
h1, h2, h3 { line-height: 1.3; letter-spacing: -.01em; }
h2 { font-size: clamp(22px, 2.6vw, 32px); font-weight: 800; }
.eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  color: var(--blue);
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}
.eyebrow.light { color: #9CC4E6; }
.muted { color: var(--muted); }
.section { padding: 76px 0; }
.section-soft { background: var(--soft); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 28px; margin-bottom: 32px; }
.section-head p { max-width: 360px; font-size: 12.5px; color: var(--muted); padding-bottom: 2px; }

/* 顶部导航 */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 20px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 38px; height: 38px; border-radius: var(--radius); display: grid; place-items: center; background: var(--navy); color: #fff; font-weight: 800; font-size: 12px; letter-spacing: .06em; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.24; }
.brand-text b { font-size: 15px; }
.brand-text small { font-size: 10.5px; color: var(--muted); letter-spacing: .08em; }
.site-nav { display: flex; gap: 22px; margin-left: auto; }
.site-nav a { font-size: 13.5px; color: var(--ink-2); padding: 6px 0; border-bottom: 1px solid transparent; }
.site-nav a:hover { color: var(--blue); border-bottom-color: var(--blue-2); }
.header-cta { background: var(--navy); color: #fff; padding: 9px 18px; border-radius: var(--radius); font-size: 12.5px; font-weight: 700; white-space: nowrap; border-bottom: 2px solid var(--blue); }
.header-cta:hover { background: var(--blue); }
.nav-toggle { display: none; border: 0; background: none; font-size: 21px; line-height: 1; color: var(--navy); cursor: pointer; }

/* 首屏 */
.hero { position: relative; overflow: hidden; background: var(--soft); border-bottom: 1px solid var(--line); }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(31,92,150,.055) 0 1px, transparent 1px 88px),
    linear-gradient(180deg, #F5F9FC 0%, #EEF3F8 100%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.06fr .94fr; gap: 48px; align-items: center; padding: 66px 0 58px; }
.hero h1 { font-size: clamp(28px, 4vw, 48px); font-weight: 800; line-height: 1.18; margin: 4px 0 14px; word-break: keep-all; overflow-wrap: normal; hyphens: none; }
.hero-desc { font-size: 14px; color: var(--ink-2); max-width: 468px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.btn-primary, .btn-ghost { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; border-radius: var(--radius); font-size: 13px; font-weight: 700; border: 1px solid transparent; cursor: pointer; font-family: inherit; }
.btn-primary { background: var(--navy); color: #fff; box-shadow: 0 10px 22px rgba(18,53,91,.22); }
.btn-primary:hover { background: var(--blue); }
.btn-ghost { border-color: var(--line-2); color: var(--ink-2); background: #fff; }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 34px; border-top: 1px solid var(--line-2); }
.stat { padding: 14px 14px 0; border-left: 1px solid var(--line-2); }
.stat:first-child { padding-left: 0; border-left: 0; }
.stat b { display: block; font-size: 23px; font-weight: 800; line-height: 1.2; color: var(--navy); font-variant-numeric: tabular-nums; }
.stat b span { font-size: 11.5px; color: var(--blue); margin-left: 2px; font-weight: 700; }
.stat small { display: block; font-size: 11px; color: var(--muted); margin-top: 2px; }

/* 监护仪面板（纯 CSS 造型） */
.device {
  justify-self: end;
  width: 100%;
  max-width: 424px;
  padding: 11px 11px 9px;
  border-radius: 6px;
  background: linear-gradient(160deg, #163F6B 0%, #12355B 46%, #0C2844 100%);
  border: 1px solid #0A2237;
  box-shadow: 0 24px 46px rgba(18,53,91,.26), inset 0 1px 0 rgba(255,255,255,.12);
}
.device-top { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; padding: 0 2px; }
.device-top b { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; color: #DCEBF7; font-weight: 700; }
.device-top span { font-size: 10px; color: #8FB3CE; letter-spacing: .06em; }
.led { margin-left: auto; width: 6px; height: 6px; border-radius: 50%; background: #5ED7A7; box-shadow: 0 0 8px rgba(94,215,167,.85); }
.screen { display: grid; grid-template-columns: 1fr 74px; gap: 8px; padding: 8px; background: #07151F; border: 1px solid #1B3A52; border-radius: 3px; }
.wave {
  position: relative;
  height: 112px;
  border-radius: 2px;
  background-color: #061820;
  background-image:
    linear-gradient(rgba(126,178,210,.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126,178,210,.14) 1px, transparent 1px);
  background-size: 13px 13px;
  overflow: hidden;
}
.wave .trace {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(94,215,167,.3) 0%, #5ED7A7 55%, #B6FBE3 100%);
  filter: drop-shadow(0 0 4px rgba(94,215,167,.45));
  clip-path: polygon(0% 62%, 6% 62%, 8% 56%, 12% 56%, 14% 62%, 22% 62%, 24% 69%, 27% 18%, 30% 84%, 33% 62%, 36% 62%, 39% 62%, 42% 50%, 46% 62%, 48% 62%, 52% 62%, 54% 56%, 58% 56%, 60% 62%, 66% 62%, 68% 69%, 71% 18%, 74% 84%, 77% 62%, 82% 62%, 85% 50%, 89% 62%, 92% 62%, 100% 62%, 100% 65%, 92% 65%, 89% 65%, 85% 53%, 82% 65%, 77% 65%, 74% 87%, 71% 21%, 68% 72%, 66% 65%, 60% 65%, 58% 59%, 54% 59%, 52% 65%, 48% 65%, 46% 65%, 42% 53%, 39% 65%, 36% 65%, 33% 65%, 30% 87%, 27% 21%, 24% 72%, 22% 65%, 14% 65%, 12% 59%, 8% 59%, 6% 65%, 0% 65%);
}
.wave-tag { position: absolute; right: 5px; top: 4px; font-family: var(--mono); font-size: 8.5px; letter-spacing: .1em; color: #7FA9C4; }
.params { display: grid; grid-template-rows: repeat(4, 1fr); gap: 3px; }
.param { padding-left: 7px; border-left: 2px solid rgba(143,179,206,.28); display: flex; flex-direction: column; justify-content: center; }
.param span { font-size: 8px; letter-spacing: .12em; color: #8FB3CE; line-height: 1.25; }
.param b { font-size: 14px; font-weight: 800; line-height: 1.1; font-variant-numeric: tabular-nums; }
.param.hr b { color: #5ED7A7; }
.param.spo2 b { color: #7FC8FF; }
.param.nibp b { color: #FFD27F; font-size: 12px; }
.param.resp b { color: #C3B4FF; }
.device-keys { display: flex; align-items: center; gap: 6px; margin-top: 8px; padding: 0 2px; }
.knob { width: 22px; height: 22px; border-radius: 50%; flex: none; background: radial-gradient(circle at 34% 28%, #3A6E9E, #0B2340 70%); border: 1px solid #33628F; box-shadow: inset 0 1px 1px rgba(255,255,255,.2); }
.key { height: 17px; flex: 1; max-width: 30px; border-radius: 2px; background: #1B4369; border: 1px solid #2F638F; }
.key.alt { background: #2A5C8F; }
.device-label { margin-left: auto; font-family: var(--mono); font-size: 8px; letter-spacing: .16em; color: #7FA9C4; white-space: nowrap; }

/* 关于 */
.about-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 52px; align-items: start; }
.about-copy h2 { font-size: clamp(21px, 2.3vw, 29px); }
.lead { font-size: 14.5px; color: var(--ink-2); margin: 12px 0 0; }
.highlight { font-size: 13px; font-weight: 600; color: var(--navy); margin-top: 18px; padding: 10px 0 10px 12px; border-left: 3px solid var(--blue); background: var(--paper); }
.about-numbers { display: flex; gap: 32px; flex-wrap: wrap; margin-top: 26px; }
.about-numbers div { display: flex; flex-direction: column; }
.about-numbers b { font-size: 24px; font-weight: 800; color: var(--navy); line-height: 1.25; font-variant-numeric: tabular-nums; }
.about-numbers span { font-size: 11.5px; color: var(--muted); }
.about-points { display: grid; gap: 12px; }
.point { display: flex; gap: 14px; padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.point b { flex: none; font-family: var(--mono); font-size: 11px; color: var(--blue); padding-top: 2px; letter-spacing: .04em; }
.point strong { font-size: 14px; }
.point p { font-size: 12.5px; color: var(--muted); margin-top: 4px; }

/* 产品规格 */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.product { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 18px 16px; display: flex; flex-direction: column; transition: border-color .18s ease; }
.product:hover { border-color: var(--line-2); }
.product-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; padding-bottom: 12px; border-bottom: 2px solid var(--navy); }
.product-code { font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; color: var(--blue); }
.product-head h3 { font-size: 15px; font-weight: 700; text-align: right; }
.spec { margin-top: 2px; }
.spec-row { display: grid; grid-template-columns: 74px 1fr; gap: 8px; align-items: baseline; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.spec-row dt { color: var(--muted); }
.spec-row dd { color: var(--ink-2); text-align: right; font-variant-numeric: tabular-nums; }
.product-note { font-size: 11.5px; color: var(--muted); margin-top: 12px; }

/* 制造实力 */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.process { border-top: 2px solid var(--navy); padding-top: 15px; }
.process b { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; color: var(--blue); }
.process h3 { font-size: 15px; margin: 8px 0 6px; }
.process p { font-size: 12.5px; color: var(--muted); }
.process-note { margin-top: 26px; padding-top: 15px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }

/* 资质 */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.cert { background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--blue); border-radius: var(--radius); padding: 17px 18px 19px; display: flex; flex-direction: column; gap: 5px; }
.cert-label { font-family: var(--mono); font-size: 9.5px; letter-spacing: .16em; color: var(--blue); }
.cert b { font-size: 14px; font-weight: 800; }
.cert p { font-size: 12px; color: var(--muted); }

/* 临床案例 */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.case-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; }
.case-tag { display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: .06em; color: var(--blue); background: #fff; border: 1px solid var(--line-2); padding: 3px 9px; border-radius: var(--radius); }
.case-card h3 { font-size: 16px; margin: 14px 0 8px; }
.case-card p { font-size: 12.5px; color: var(--muted); }
.case-metric { display: flex; align-items: baseline; gap: 8px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line-2); }
.case-metric b { font-size: 26px; font-weight: 800; color: var(--navy); line-height: 1.15; font-variant-numeric: tabular-nums; }
.case-metric b span { font-size: 11.5px; color: var(--blue); margin-left: 1px; }
.case-metric > span { font-size: 11.5px; color: var(--muted); }

/* 联系我们 */
.section-contact { background: linear-gradient(135deg, #12355B 0%, #0E2B49 55%, #091F36 100%); color: #fff; border-top: 3px solid var(--blue); }
.section-contact h2 { color: #fff; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-desc { color: #B9D2E6; font-size: 13px; max-width: 440px; margin-top: 10px; }
.contact-info { display: grid; gap: 12px; margin-top: 24px; }
.contact-info div { display: flex; gap: 14px; font-size: 13px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.14); }
.contact-info span { flex: none; width: 42px; color: #8FB3CE; }
.contact-info b { font-weight: 600; color: #EAF3FA; font-variant-numeric: tabular-nums; }
.service-note { margin-top: 22px; padding: 14px 16px; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.05); border-radius: var(--radius); }
.service-note b { font-size: 12px; color: #9CC4E6; letter-spacing: .06em; }
.service-note p { font-size: 12px; color: #B9D2E6; margin-top: 4px; }
.contact-form { background: #fff; border-radius: var(--radius); border-top: 3px solid var(--blue); padding: 26px; display: grid; gap: 13px; color: var(--ink); box-shadow: 0 20px 44px rgba(4,16,28,.35); }
.contact-form label { display: grid; gap: 6px; font-size: 12px; font-weight: 600; color: var(--muted); }
.contact-form input { width: 100%; border: 1px solid var(--line); border-radius: 3px; padding: 10px 12px; font: inherit; font-size: 13.5px; background: var(--paper); color: var(--ink); outline: none; }
.contact-form input:focus { border-color: var(--blue-2); background: #fff; }
.contact-form .btn-primary { width: 100%; border-radius: 3px; padding: 12px 20px; }
.form-tip { font-size: 11px; color: #8497A6; text-align: center; line-height: 1.6; }

/* 页脚 */
.site-footer { background: #0B1F31; color: #A7BED0; padding: 40px 0 30px; }
.footer-inner { display: grid; grid-template-columns: 1.3fr 1fr auto; gap: 36px; align-items: start; }
.brand-footer .brand-mark { background: #16405F; }
.brand-footer .brand-text b { color: #EAF3FA; }
.brand-footer .brand-text small { color: #7E9BB1; }
.footer-desc { font-size: 12px; margin-top: 10px; max-width: 320px; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12.5px; }
.footer-links a:hover { color: #fff; }
.footer-meta { text-align: right; font-size: 11.5px; line-height: 1.9; }
.powered { color: #6F8CA3; }

.toast { position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 16px); background: var(--navy); color: #fff; padding: 11px 20px; border-radius: var(--radius); font-size: 13px; opacity: 0; pointer-events: none; transition: .25s ease; z-index: 30; max-width: calc(100% - 40px); text-align: center; box-shadow: 0 12px 28px rgba(9,31,54,.35); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 38px; padding: 52px 0 46px; }
  .device { justify-self: start; max-width: 460px; }
  .hero-desc { max-width: 520px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .stat { padding: 13px 14px 0; }
  .stat:nth-child(odd) { padding-left: 0; border-left: 0; }
  .stat:nth-child(n+3) { margin-top: 14px; border-top: 1px solid var(--line-2); }
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 26px 18px; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .case-grid, .contact-grid, .footer-inner { grid-template-columns: 1fr; }
  .contact-grid { gap: 34px; }
  .footer-inner { gap: 18px; }
  .footer-meta { text-align: left; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .section-head p { max-width: 560px; }
  .site-nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; gap: 0; padding: 6px 24px 12px; margin-left: 0; }
  .site-nav a { padding: 11px 0; font-size: 13.5px; border-bottom: 1px solid var(--line); }
  .site-nav a:last-child { border-bottom: 0; }
  .site-nav.open { display: flex; }
  .nav-toggle { display: block; margin-left: auto; }
  .header-cta { display: none; }
  .section { padding: 58px 0; }
}
@media (max-width: 640px) {
  .wrap { width: calc(100% - 36px); }
  .header-inner { height: 62px; }
  .site-nav { top: 62px; padding-left: 18px; padding-right: 18px; }
  .hero h1 { font-size: clamp(26px, 7.4vw, 34px); }
  .hero-inner { padding: 42px 0 40px; gap: 30px; }
  .hero-stats { grid-template-columns: 1fr 1fr; margin-top: 28px; }
  .stat b { font-size: 21px; }
  .device { padding: 10px 10px 8px; }
  .screen { grid-template-columns: 1fr 66px; padding: 7px; gap: 6px; }
  .wave { height: 100px; background-size: 11px 11px; }
  .params { gap: 2px; }
  .param span { font-size: 7.5px; line-height: 1.2; }
  .param b { font-size: 12.5px; }
  .param.nibp b { font-size: 11px; }
  .product-grid, .process-grid, .cert-grid, .case-grid { grid-template-columns: 1fr; }
  .section { padding: 46px 0; }
  .section-head h2 { font-size: 21px; }
  .section-head p { font-size: 12px; }
  .contact-form { padding: 20px 18px; }
  .footer-inner { gap: 16px; }
}