/* 睿迪意科技官网 - 医疗科技蓝 */
:root {
  --blue-700: #0b4db8;
  --blue-600: #0b5fff;
  --blue-500: #2b7fff;
  --blue-100: #e8f1ff;
  --blue-50: #f4f8ff;
  --ink-900: #16233b;
  --ink-600: #4a5a75;
  --ink-400: #8494ad;
  --line: #e3eaf5;
  --white: #ffffff;
  --teal: #00b4a0;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(11, 77, 184, 0.08);
  --maxw: 1160px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink-900);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; color: var(--blue-700); }
.brand .logo { width: 36px; height: 36px; border-radius: 8px; }
.brand small { display: block; font-size: 11px; font-weight: 400; color: var(--ink-400); letter-spacing: 1px; }
.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-links a {
  padding: 8px 16px; border-radius: 8px; font-size: 15px; color: var(--ink-600);
  transition: all 0.2s;
}
.nav-links a:hover { color: var(--blue-600); background: var(--blue-50); }
.nav-links a.active { color: var(--blue-600); font-weight: 600; }
.nav-cta {
  background: var(--blue-600); color: #fff !important; font-weight: 600;
  padding: 9px 22px !important; border-radius: 10px !important;
}
.nav-cta:hover { background: var(--blue-700) !important; }
.menu-btn { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-btn span { display: block; width: 22px; height: 2px; background: var(--ink-900); margin: 5px 0; transition: 0.2s; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(43, 127, 255, 0.18), transparent 60%),
    radial-gradient(700px 400px at -10% 110%, rgba(0, 180, 160, 0.12), transparent 60%),
    linear-gradient(180deg, #f7faff 0%, #ffffff 100%);
  padding: 96px 0 88px;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue-100); color: var(--blue-700);
  font-size: 13px; font-weight: 600; padding: 6px 14px; border-radius: 999px; margin-bottom: 20px;
}
.hero h1 { font-size: 42px; line-height: 1.25; font-weight: 800; letter-spacing: 0.5px; }
.hero h1 em { font-style: normal; color: var(--blue-600); }
.hero p.lead { margin: 20px 0 32px; font-size: 17px; color: var(--ink-600); max-width: 560px; }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 12px; font-size: 15px; font-weight: 600;
  transition: all 0.2s;
}
.btn-primary { background: var(--blue-600); color: #fff; box-shadow: 0 8px 20px rgba(11, 95, 255, 0.3); }
.btn-primary:hover { background: var(--blue-700); transform: translateY(-1px); }
.btn-ghost { border: 1.5px solid var(--line); color: var(--ink-900); background: #fff; }
.btn-ghost:hover { border-color: var(--blue-500); color: var(--blue-600); }
.hero-art { position: relative; }
.hero-art svg { width: 100%; height: auto; }
.hero-badges { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.hero-badges .chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--ink-600); background: #fff;
  border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px;
}
.chip svg { flex: none; }

/* ---------- 通用 section ---------- */
.section { padding: 84px 0; }
.section.alt { background: var(--blue-50); }
.sec-head { text-align: center; max-width: 680px; margin: 0 auto 52px; }
.sec-head .kicker {
  color: var(--blue-600); font-weight: 700; font-size: 14px; letter-spacing: 5px;
}
.sec-head h2 { font-size: 32px; font-weight: 800; margin: 10px 0 12px; }
.sec-head p { color: var(--ink-600); font-size: 16px; }

/* ---------- 数字条 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 20px; text-align: center; box-shadow: var(--shadow);
}
.stat b { display: block; font-size: 30px; color: var(--blue-600); font-weight: 800; }
.stat span { font-size: 14px; color: var(--ink-600); }

/* ---------- 卡片 ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: all 0.25s; position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(43, 127, 255, 0.35); }
.card .icon {
  width: 52px; height: 52px; border-radius: 13px; background: var(--blue-100);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--ink-600); }
.card ul { margin-top: 14px; list-style: none; }
.card ul li { font-size: 14px; color: var(--ink-600); padding: 5px 0 5px 20px; position: relative; }
.card ul li::before {
  content: ""; position: absolute; left: 0; top: 13px; width: 7px; height: 7px;
  border-radius: 50%; background: var(--teal);
}
.card.wide { grid-column: span 1; }
.card .num {
  position: absolute; right: 18px; top: 12px; font-size: 40px; font-weight: 800;
  color: var(--blue-50); -webkit-text-stroke: 1px var(--line);
}

/* ---------- 解决方案/案例 ---------- */
.sol-list { display: grid; gap: 22px; }
.sol {
  display: grid; grid-template-columns: 220px 1fr; gap: 0;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: all 0.25s;
}
.sol:hover { box-shadow: var(--shadow); border-color: rgba(43, 127, 255, 0.35); }
.sol .visual { display: flex; align-items: center; justify-content: center; padding: 26px; }
.sol .visual svg { width: 100%; height: auto; }
.sol .body { padding: 28px 32px 28px 0; }
.sol .body h3 { font-size: 20px; margin-bottom: 8px; }
.sol .body p { color: var(--ink-600); font-size: 15px; margin-bottom: 10px; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tags span {
  font-size: 12.5px; color: var(--blue-700); background: var(--blue-100);
  padding: 4px 12px; border-radius: 999px;
}

/* ---------- 关于页时间线 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.about-grid h2 { font-size: 28px; margin-bottom: 16px; }
.about-grid p { color: var(--ink-600); margin-bottom: 14px; font-size: 15.5px; }
.qual-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 22px; }
.qual {
  border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px;
  display: flex; gap: 12px; align-items: center; background: #fff;
}
.qual svg { flex: none; }
.qual b { font-size: 14.5px; display: block; }
.qual span { font-size: 12.5px; color: var(--ink-400); }
.timeline { list-style: none; border-left: 2px solid var(--blue-100); padding-left: 26px; }
.timeline li { position: relative; padding-bottom: 26px; }
.timeline li::before {
  content: ""; position: absolute; left: -33px; top: 6px; width: 12px; height: 12px;
  border-radius: 50%; background: #fff; border: 3px solid var(--blue-600);
}
.timeline b { display: block; color: var(--blue-600); font-size: 15px; }
.timeline span { color: var(--ink-600); font-size: 14.5px; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-card {
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  color: #fff; border-radius: var(--radius); padding: 40px;
}
.contact-card h3 { font-size: 22px; margin-bottom: 8px; }
.contact-card p { opacity: 0.9; font-size: 14.5px; margin-bottom: 26px; }
.contact-item { display: flex; gap: 14px; padding: 14px 0; border-top: 1px solid rgba(255,255,255,0.18); }
.contact-item svg { flex: none; margin-top: 3px; }
.contact-item b { display: block; font-size: 13px; opacity: 0.75; font-weight: 500; }
.contact-item span { font-size: 15px; }
.form-panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; }
.form-panel h3 { font-size: 20px; margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13.5px; color: var(--ink-600); margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; border: 1.5px solid var(--line); border-radius: 10px;
  padding: 11px 14px; font-size: 14.5px; font-family: inherit; color: var(--ink-900);
  outline: none; transition: border 0.2s; background: #fff;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--blue-500); }
.field textarea { min-height: 110px; resize: vertical; }
.form-note { font-size: 12.5px; color: var(--ink-400); margin-top: 10px; }

/* ---------- CTA 条 ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--blue-700) 0%, var(--blue-500) 100%);
  border-radius: 20px; color: #fff; padding: 52px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.cta-band h2 { font-size: 26px; margin-bottom: 6px; }
.cta-band p { opacity: 0.85; font-size: 15px; }
.cta-band .btn { background: #fff; color: var(--blue-700); flex: none; }
.cta-band .btn:hover { transform: translateY(-1px); }

/* ---------- 图文交替布局 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split + .split { margin-top: 72px; }
.split.rev .split-media { order: 2; }
.split-media { border-radius: 18px; overflow: hidden; box-shadow: 0 16px 44px rgba(11, 77, 184, 0.16); }
.split-media img { width: 100%; height: auto; display: block; }
.split-body .kicker { color: var(--blue-600); font-weight: 700; font-size: 13px; letter-spacing: 3px; text-transform: uppercase; }
.split-body h2 { font-size: 27px; font-weight: 800; margin: 10px 0 14px; }
.split-body p { color: var(--ink-600); font-size: 15.5px; margin-bottom: 14px; }
.split-body ul { list-style: none; margin: 18px 0 22px; }
.split-body ul li { font-size: 14.5px; color: var(--ink-600); padding: 6px 0 6px 26px; position: relative; }
.split-body ul li::before {
  content: "✓"; position: absolute; left: 0; top: 6px; width: 18px; height: 18px;
  border-radius: 50%; background: var(--teal); color: #fff; font-size: 11px;
  display: flex; align-items: center; justify-content: center; font-weight: 700;
}

/* ---------- 深色数据带 ---------- */
.statband { background: linear-gradient(120deg, #0d1b33 0%, #10306b 55%, #0b4db8 100%); color: #fff; padding: 60px 0; }
.statband .stats { gap: 28px; }
.statband .stat { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14); box-shadow: none; }
.statband .stat b { color: #fff; font-size: 34px; }
.statband .stat b em { font-style: normal; color: #4fd8c8; }
.statband .stat span { color: rgba(255,255,255,0.72); }

/* ---------- 带图产品卡 ---------- */
.pcards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.pcard {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  display: grid; grid-template-columns: 200px 1fr; transition: all 0.25s;
}
.pcard:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(43,127,255,0.4); }
.pcard .pimg { position: relative; background: var(--blue-50); }
.pcard .pimg img { width: 100%; height: 100%; object-fit: cover; }
.pcard .pbody { padding: 26px 26px 22px 22px; }
.pcard .pbody h3 { font-size: 18.5px; margin-bottom: 8px; }
.pcard .pbody h3 small { display: block; font-size: 12.5px; color: var(--ink-400); font-weight: 500; margin-top: 3px; letter-spacing: 0.5px; }
.pcard .pbody p { font-size: 14px; color: var(--ink-600); margin-bottom: 12px; }
.pcard .plink { font-size: 14px; font-weight: 600; color: var(--blue-600); }
.pcard .plink:hover { text-decoration: underline; }

/* ---------- 成效数据墙 ---------- */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 20px; }
.metric { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 14px; text-align: center; }
.metric b { display: block; font-size: 24px; color: var(--blue-600); font-weight: 800; }
.metric span { font-size: 12.5px; color: var(--ink-600); }

/* ---------- 案例卡（带图） ---------- */
.cases-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.ccard { background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; transition: all 0.25s; }
.ccard:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(43,127,255,0.4); }
.ccard .cimg { height: 210px; overflow: hidden; }
.ccard .cimg img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.ccard:hover .cimg img { transform: scale(1.04); }
.ccard .cbody { padding: 24px 26px 26px; }
.ccard .cbody h3 { font-size: 18px; margin-bottom: 6px; }
.ccard .cbody .csub { font-size: 13px; color: var(--ink-400); margin-bottom: 10px; }
.ccard .cbody p { font-size: 14px; color: var(--ink-600); margin-bottom: 14px; }
.ccard .cstats { display: flex; gap: 10px; flex-wrap: wrap; }
.ccard .cstats span { font-size: 12.5px; font-weight: 600; color: var(--blue-700); background: var(--blue-100); padding: 5px 12px; border-radius: 999px; }

/* ---------- 真实系统截图墙 ---------- */
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.shot { background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; transition: all 0.25s; margin: 0; }
.shot:hover { box-shadow: var(--shadow); border-color: rgba(43,127,255,0.35); }
.shot img { width: 100%; height: 190px; object-fit: cover; object-position: top; display: block; }
.shot figcaption { padding: 12px 15px; font-size: 13.5px; color: var(--ink-600); }
.shot figcaption b { display: block; color: var(--ink-900); font-size: 14px; margin-bottom: 2px; }
.sol .visual img { width: 100%; height: 100%; object-fit: cover; object-position: left center; display: block; }

/* ---------- 引言块 ---------- */
.case-hero img { min-height: 210px; }
@media (max-width: 960px) { .case-hero { grid-template-columns: 1fr !important; } .case-hero img { max-height: 240px; } }
.quote-band {
  background: var(--blue-50); border-left: 5px solid var(--blue-600);
  border-radius: 0 16px 16px 0; padding: 34px 40px; margin: 0 auto; max-width: 860px;
}
.quote-band p { font-size: 19px; font-weight: 600; color: var(--ink-900); line-height: 1.8; }
.quote-band span { display: block; margin-top: 12px; font-size: 13.5px; color: var(--ink-400); }

/* ---------- 页脚 ---------- */
.footer { background: #0d1b33; color: #9fb0cc; margin-top: 84px; padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer a { display: block; font-size: 14px; padding: 4px 0; color: #9fb0cc; transition: color 0.2s; }
.footer a:hover { color: #fff; }
.footer .brand { color: #fff; }
.footer .brand small { color: #6c7f9e; }
.footer .desc { font-size: 13.5px; margin-top: 12px; max-width: 300px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 22px; font-size: 13px; color: #6c7f9e; }

/* ---------- 页头（子页面） ---------- */
.page-hero { background: linear-gradient(180deg, #f0f6ff, #fff); border-bottom: 1px solid var(--line); padding: 64px 0 56px; }
.page-hero h1 { font-size: 34px; font-weight: 800; }
.page-hero .crumb { font-size: 13.5px; color: var(--ink-400); margin-bottom: 10px; }
.page-hero .crumb a:hover { color: var(--blue-600); }
.page-hero p.sub { color: var(--ink-600); margin-top: 12px; max-width: 640px; font-size: 16px; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-grid, .about-grid, .contact-grid, .split, .split.rev { grid-template-columns: 1fr; }
  .split.rev .split-media { order: 0; }
  .split + .split { margin-top: 52px; }
  .pcards, .cases-grid { grid-template-columns: 1fr; }
  .pcard { grid-template-columns: 1fr; }
  .pcard .pimg img { max-height: 240px; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .shots { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .sol { grid-template-columns: 1fr; }
  .sol .body { padding: 0 28px 28px; }
  .hero h1 { font-size: 32px; }
  .cta-band { flex-direction: column; text-align: center; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 12px 20px 20px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .menu-btn { display: block; }
}
@media (max-width: 620px) {
  .cards, .qual-list, .form-row { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .section { padding: 60px 0; }
  .hero { padding: 60px 0; }
}