:root {
  --navy: #0b2744;
  --ink: #10243d;
  --heading: #0e2c4a;
  --teal: #00a0e9;
  --teal-deep: #0089c9;
  --muted: #66788a;
  --line: #e6eef3;
  --bg: #f4f9fc;
  --card: #ffffff;
  --shadow: 0 12px 32px rgba(16, 42, 67, 0.06);
  --radius: 18px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 84px; }
body {
  font-family: "Plus Jakarta Sans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font-family: inherit; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.eyebrow {
  display: block;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}
.section { padding: 88px 0; }
.section-soft { background: var(--bg); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 42px; }
.section-head h2, .about-copy h2, .consult-copy h2 {
  color: var(--heading);
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.4px;
  line-height: 1.25;
}
.section-head p, .about-copy p, .consult-copy p { color: var(--muted); margin-top: 12px; }
.section-action { text-align: center; margin-top: 34px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--teal); color: #fff; border: 0;
  border-radius: 8px; padding: 12px 22px;
  font-weight: 700; font-size: 15px; cursor: pointer;
  transition: background .2s, transform .2s;
}
.btn:hover { background: var(--teal-deep); }
.btn-block { width: 100%; }
.nav-inner { display: flex; align-items: center; }

.navbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 20px rgba(16,42,67,.04); }
.nav-inner { min-height: 74px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-img { height: 46px; width: auto; display: block; }
.logo-tag { font-size: 11px; font-weight: 600; color: var(--teal); letter-spacing: .3px; line-height: 1.35; max-width: 8.2em; }
.nav-links { display: flex; gap: 8px; margin-left: auto; }
.nav-links a { padding: 8px 12px; color: var(--heading); font-weight: 700; font-size: 15px; border-bottom: 2px solid transparent; }
.nav-links a.active, .nav-links a:hover { color: var(--teal-deep); border-bottom-color: var(--teal); }
.lang-switch { display: flex; flex: none; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; background: #fff; }
.lang-switch button { border: 0; background: transparent; color: #7b8b9a; font-weight: 800; font-size: 13px; padding: 6px 10px; cursor: pointer; line-height: 1; }
.lang-switch button.on { background: var(--teal); color: #fff; }
html[lang="en"] .logo-tag { max-width: 9.6em; font-size: 10px; letter-spacing: 0; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; width: 40px; height: 40px; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; }
.nav-toggle span { display: block; height: 2px; width: 20px; background: var(--heading); margin: 0 auto; }

.hero { position: relative; min-height: 620px; background: #eef6fb; overflow: hidden; }
.hero-navy { position: absolute; inset: 0 auto 0 0; width: 46%; background: linear-gradient(180deg, #f7fbfe 0%, #e5f3fb 100%); }
.hero-photo { position: absolute; inset: 0 0 0 38%; overflow: hidden; background: #d7e8f4; }
.slide-track, .slide-track img { position: absolute; inset: 0; width: 100%; height: 100%; }
.slide-track img { object-fit: cover; object-position: center; opacity: 0; transition: opacity .55s ease; }
.slide-track img.is-on { opacity: 1; }
.slide-btn {
  position: absolute; bottom: 6px; z-index: 3;
  width: 28px; height: 28px; border: 1px solid #d5e0ea; border-radius: 50%; cursor: pointer;
  background: #fff; color: #5c6b7a; font-size: 20px; line-height: 1;
}
.slide-btn.prev { left: 12px; }
.slide-btn.next { left: 46px; }
.slide-dots { position: absolute; left: 86px; bottom: 16px; z-index: 3; display: flex; gap: 6px; }
.slide-dots button { width: 8px; height: 8px; border: 0; border-radius: 50%; padding: 0; cursor: pointer; background: #c5d0da; }
.slide-dots button.on { background: var(--teal); }
.slide-caption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  margin: 0; min-height: 40px; padding: 9px 16px 9px 120px;
  background: #fff; color: #8a97a6; font-size: 13px; line-height: 22px;
  text-align: right; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.hero-photo.is-single .slide-btn, .hero-photo.is-single .slide-dots { display: none; }
.hero-photo.is-single .slide-caption { padding-left: 16px; }
.hero-wrap { position: relative; z-index: 2; min-height: 620px; display: flex; align-items: center; pointer-events: none; }
.hero-card, .hero-card a { pointer-events: auto; }
.hero-card {
  background: #fff; width: min(520px, 100%);
  border-radius: 6px; padding: 48px 42px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.hero-card h1 { font-size: clamp(36px, 5vw, 52px); line-height: 1.18; color: var(--heading); font-weight: 800; letter-spacing: -0.8px; }
.hero-card h1 span { color: var(--teal); }
.hero-card p { margin: 18px 0 28px; color: var(--muted); max-width: 420px; }

.feature-grid, .service-grid { display: grid; gap: 22px; }
.feature-grid { grid-template-columns: repeat(3, 1fr); }
.service-grid { grid-template-columns: repeat(2, 1fr); }
.keep { white-space: nowrap; }
.soft-card {
  background: var(--card); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 34px 24px 30px; text-align: center;
}
.soft-card h3 { color: var(--heading); font-size: 20px; margin: 16px 0 8px; font-weight: 800; }
.soft-card p { color: var(--muted); font-size: 14.5px; }
.icon-solid, .icon-soft {
  width: 64px; height: 64px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
}
.icon-solid { background: var(--teal); color: #fff; }
.icon-soft { background: #e8f5fd; color: var(--teal); }
.icon-solid svg, .icon-soft svg { width: 28px; height: 28px; }
.text-link { display: inline-block; margin-top: 14px; color: var(--teal-deep); font-weight: 700; font-size: 14px; }
.text-link:hover { text-decoration: underline; }

.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.about-copy .eyebrow { margin-bottom: 12px; }
.about-copy h2 { margin-bottom: 8px; }
.about-copy .btn { margin-top: 22px; }
.about-photo img { width: 100%; height: 420px; object-fit: cover; border-radius: 18px; box-shadow: var(--shadow); }
.map-block { margin-top: 48px; }
.map-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 14px; flex-wrap: wrap; }
.map-head h3 { color: var(--heading); font-size: 22px; font-weight: 800; }
.map-caption { margin-top: 12px; }
.map-legend { display: flex; gap: 14px; color: #8aa0b3; font-size: 12px; font-weight: 600; margin-bottom: 6px; }
.map-legend span, .place-list li { display: flex; align-items: center; gap: 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: none; }
.dot.office { background: var(--teal); box-shadow: 0 0 0 2px rgba(0,160,233,.28); }
.dot.node { background: #fff; box-shadow: 0 0 0 1.5px var(--teal); }
#siteMap { height: 460px; border-radius: 18px; border: 1px solid var(--line); background: #e7f4f6; }
.leaflet-container { z-index: 1; font-family: inherit; }
.leaflet-container img { max-width: none; }
.leaflet-marker-icon.map-pin { border: 2px solid #fff; border-radius: 50%; background: #00a0e9; box-shadow: 0 0 0 1px rgba(0,160,233,.35); }
.leaflet-tooltip.map-label {
  background: #fff; color: #0089c9; border: 1.5px solid #9ed4f5;
  border-radius: 999px; box-shadow: 0 2px 8px rgba(20,80,140,.12);
  padding: 3px 10px; font-size: 13px; font-weight: 700; line-height: 1.4; white-space: nowrap;
}
.leaflet-tooltip.map-label::before { display: none; }
.place-list { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 16px; }
.place-list li { cursor: pointer; color: #7b8b9a; font-size: 12px; font-weight: 500; line-height: 1.7; }
.place-list li:hover { color: var(--teal-deep); }
.place-list em { color: #9aabba; font-style: normal; font-size: 12px; font-weight: 500; }
.copy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.copy-card { background: #fff; border-radius: 18px; box-shadow: var(--shadow); padding: 28px 26px; text-align: left; }
.copy-card h3 { color: var(--heading); font-size: 20px; margin-bottom: 8px; font-weight: 800; }
.copy-card p { color: var(--muted); font-size: 15px; }
.page-hero { background: #eef6fb; padding: 72px 0 28px; }
.page-hero h1 { color: var(--heading); font-size: clamp(32px, 4vw, 48px); font-weight: 800; line-height: 1.22; letter-spacing: -0.4px; }
.page-hero h1 span { color: var(--teal); }
.page-hero p { color: var(--muted); max-width: 680px; margin-top: 14px; }
.page-hero .btn { margin-top: 22px; }
.detail-list { display: grid; gap: 18px; }
.detail { background: #fff; border-radius: 18px; box-shadow: var(--shadow); padding: 28px; }
.detail h2 { color: var(--heading); font-size: 26px; font-weight: 800; }
.detail p { color: var(--muted); margin-top: 10px; }
.detail ul { list-style: none; margin-top: 14px; }
.detail li { position: relative; padding-left: 22px; margin-top: 8px; color: var(--heading); font-weight: 600; }
.detail li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 800; }

.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.industry-card {
  background: #fff; border-radius: 16px; box-shadow: var(--shadow);
  padding: 28px 16px; text-align: center;
}
.industry-card svg { width: 34px; height: 34px; color: var(--teal); margin: 0 auto 12px; }
.industry-card h3 { color: var(--heading); font-size: 18px; font-weight: 800; }

.story-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.story { background: #fff; border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; display: flex; flex-direction: column; }
.story img { width: 100%; height: 190px; object-fit: cover; }
.story-body { padding: 22px 22px 24px; }
.story h3 { color: var(--heading); font-size: 22px; line-height: 1.35; font-weight: 800; }
.client { color: var(--teal-deep); font-weight: 700; margin: 6px 0 8px; font-size: 14px; }
.story-body > p { color: var(--muted); font-size: 14.5px; }
.story ul { list-style: none; margin-top: 14px; }
.story li { position: relative; padding-left: 22px; margin-top: 8px; color: var(--heading); font-size: 14.5px; font-weight: 600; }
.story li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 800; }

.achieve { background: #e8f4fc; padding: 88px 0; }
.achieve-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; text-align: center; color: var(--muted); }
.ring {
  width: 68px; height: 68px; margin: 0 auto 14px; border-radius: 50%;
  border: 2px solid var(--teal); color: var(--teal);
  display: flex; align-items: center; justify-content: center;
}
.ring svg { width: 28px; height: 28px; }
.stat-num { color: var(--teal); font-size: 44px; font-weight: 800; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat-num::after { content: "+"; font-size: 28px; margin-left: 2px; }
.achieve-grid p { margin-top: 6px; }

.consult { background: var(--bg); padding: 88px 0; }
.consult-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 48px; align-items: center; }
.consult-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.consult-card {
  background: #fff; border-radius: 16px; padding: 28px 26px 26px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 12px;
}
.consult-card h3 { color: var(--heading); font-size: 26px; font-weight: 800; margin-bottom: 4px; }
.consult-card input, .consult-card textarea {
  width: 100%; border: 0; background: #f3f7fb; border-radius: 8px;
  padding: 14px 16px; color: var(--ink); font-size: 15px; resize: vertical;
}
.consult-card input:focus, .consult-card textarea:focus { outline: 2px solid rgba(0,160,233,.45); }

.footer { background: #f7fbfc; color: #5c6e80; padding-top: 56px; border-top: 1px solid var(--line); }
.footer .logo-tag { color: var(--teal); }
.footer-grid { display: grid; grid-template-columns: 1.4fr .9fr .8fr .9fr; gap: 32px; padding-bottom: 36px; }
.footer h4 { color: var(--heading); margin-bottom: 14px; font-size: 16px; }
.footer-grid a { display: block; padding: 4px 0; }
.footer a:hover { color: var(--teal-deep); }
.footer p { margin-top: 14px; font-size: 14px; }
.footer-bottom { border-top: 1px solid var(--line); padding: 16px 0 20px; font-size: 13px; color: #7b8b9a; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.footer-legal a { display: inline; padding: 0; }

@media (max-width: 980px) {
  .industry-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid, .story-grid, .achieve-grid, .about-grid, .consult-grid, .footer-grid, .copy-grid { grid-template-columns: 1fr; }
  #siteMap { height: 320px; }
  .hero-navy { width: 100%; }
  .hero-photo { inset: auto 0 0 0; height: 46%; left: 0; }
  .hero-wrap { align-items: flex-start; padding-top: 36px; min-height: 760px; }
  .about-photo img { height: 280px; }
}
@media (max-width: 720px) {
  .lang-switch { margin-left: auto; }
  .nav-toggle { display: flex; margin-left: 4px; }
  .nav-links {
    display: none; position: absolute; left: 0; right: 0; top: 74px;
    background: #fff; flex-direction: column; padding: 8px 16px 16px;
    border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .service-grid, .industry-grid { grid-template-columns: 1fr; }
  .hero-card { padding: 32px 24px; }
}