:root {
  --bg: #f6fbfd;
  --panel: #ffffff;
  --panel-2: #f0f9fc;
  --text: #123040;
  --muted: #587383;
  --line: #d9ebf1;
  --primary: #0fb4ca;
  --primary-dark: #0a7f99;
  --shadow: 0 14px 40px rgba(8, 60, 79, 0.08);
  --radius: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15,180,202,.10), transparent 28%),
    radial-gradient(circle at top right, rgba(15,180,202,.08), transparent 24%),
    var(--bg);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: 84px 0; }
.alt-bg { background: linear-gradient(180deg, rgba(15,180,202,.04), rgba(15,180,202,.01)); }
.card {
  background: var(--panel);
  border: 1px solid rgba(15,180,202,.10);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(246,251,253,.86);
  border-bottom: 1px solid rgba(15,180,202,.08);
}
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand img { width: 54px; height: 54px; }
.brand strong { display: block; font-size: 20px; }
.brand span { display: block; color: var(--muted); font-size: 13px; margin-top: 2px; }
.nav { display: flex; flex-wrap: wrap; gap: 20px; color: var(--muted); font-size: 15px; }
.nav a:hover { color: var(--primary-dark); }
.hero { padding: 82px 0 72px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 28px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(15,180,202,.10);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 14px;
}
.hero h1 {
  margin: 18px 0 14px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.12;
  letter-spacing: -.03em;
}
.hero p { margin: 0; color: var(--muted); font-size: 18px; max-width: 720px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 10px 24px rgba(15,180,202,.28);
}
.btn-secondary {
  background: white;
  color: var(--primary-dark);
  border: 1px solid rgba(15,180,202,.16);
}
.hero-badges {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-badges li {
  padding: 10px 14px;
  background: white;
  border: 1px solid rgba(15,180,202,.12);
  border-radius: 999px;
  color: var(--muted);
  font-weight: 600;
}
.hero-art {
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at center, rgba(15,180,202,.18), rgba(15,180,202,.04) 48%, transparent 52%),
    linear-gradient(180deg, #ffffff, #f6fbfd);
}
.hero-art img { width: min(80%, 360px); }
.glow { position: relative; overflow: hidden; }
.glow::after {
  content: '';
  position: absolute;
  inset: auto -30% -45% -30%;
  height: 160px;
  background: radial-gradient(circle, rgba(15,180,202,.18), transparent 68%);
}
.section-heading { margin-bottom: 34px; }
.section-heading.left-align { margin-bottom: 22px; }
.section-heading span {
  display: inline-block;
  color: var(--primary-dark);
  font-weight: 700;
  margin-bottom: 10px;
}
.section-heading h2 {
  margin: 0 0 10px;
  font-size: clamp(28px, 3.5vw, 40px);
  line-height: 1.15;
}
.section-heading p { margin: 0; color: var(--muted); max-width: 780px; }
.grid { display: grid; gap: 22px; }
.four-up { grid-template-columns: repeat(4, 1fr); }
.three-up { grid-template-columns: repeat(3, 1fr); }
.info-card, .feature-card {
  padding: 28px;
  height: 100%;
}
.info-card img, .feature-card img { width: 72px; height: 72px; margin-bottom: 18px; }
.info-card h3, .feature-card h3, .process-card h3 { margin: 0 0 10px; font-size: 22px; }
.info-card p, .feature-card p, .process-card p { margin: 0; color: var(--muted); }
.process-card { overflow: hidden; }
.process-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-bottom: 1px solid rgba(15,180,202,.10); }
.process-body { padding: 22px 22px 26px; }
.carousel {
  position: relative;
  padding: 44px 72px 28px;
  overflow: hidden;
}
.carousel-track { position: relative; min-height: 250px; }
.case-slide {
  display: none;
  animation: fade .35s ease;
}
.case-slide.is-active { display: block; }
.case-tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(15,180,202,.10);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 14px;
}
.case-slide h3 { margin: 0 0 16px; font-size: clamp(24px, 3vw, 34px); line-height: 1.25; }
.case-slide p { margin: 0 0 10px; color: var(--muted); font-size: 17px; }
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: white;
  color: var(--primary-dark);
  box-shadow: var(--shadow);
  cursor: pointer;
  font-size: 32px;
  line-height: 1;
}
.carousel-btn.prev { left: 18px; }
.carousel-btn.next { right: 18px; }
.carousel-dots {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  justify-content: center;
}
.carousel-dots button {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: none;
  background: #c9e3eb;
  cursor: pointer;
}
.carousel-dots button.is-active { background: var(--primary); }
.issue-layout {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 26px;
  align-items: center;
}
.issue-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}
.issue-list li {
  padding: 16px 18px;
  border-radius: 18px;
  background: white;
  border: 1px solid rgba(15,180,202,.10);
  box-shadow: var(--shadow);
  font-weight: 600;
}
.issue-card { padding: 18px; }
.contact-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 24px;
  align-items: stretch;
}
.contact-card { padding: 28px; }
.qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.qr { width: min(100%, 280px); border-radius: 18px; border: 10px solid #fff; box-shadow: var(--shadow); }
.contact-label {
  display: inline-block;
  color: var(--primary-dark);
  font-weight: 700;
  margin-bottom: 10px;
}
.contact-card h2, .contact-card h3 { margin: 0 0 14px; }
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
  color: var(--muted);
}
.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid rgba(15,180,202,.08);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
}
@keyframes fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 1080px) {
  .four-up { grid-template-columns: repeat(2, 1fr); }
  .three-up { grid-template-columns: 1fr; }
  .hero-grid, .issue-layout, .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .header-inner { flex-direction: column; justify-content: center; padding: 14px 0; }
  .nav { justify-content: center; }
  .hero { padding-top: 44px; }
  .hero p { font-size: 16px; }
  .carousel { padding: 24px 18px 22px; }
  .carousel-btn { display: none; }
  .four-up { grid-template-columns: 1fr; }
  .info-card, .feature-card, .contact-card { padding: 22px; }
  .footer-inner { flex-direction: column; }
}