:root {
  --blue: #0967c9;
  --deep: #00439e;
  --line: #dfeaf6;
  --text: #17243a;
  --muted: #6d7890;
  --soft: #eef7ff;
  --light: #f7fbff;
  --shadow: 0 10px 30px rgba(13, 73, 135, .1);
  --radius: 8px;
  --container: 1440px;
}

* { box-sizing: border-box; }
html { background: #fff; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  background: #fff;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
.svg-sprite, .sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
svg {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.site-header { position: relative; z-index: 5; background: #fff; }
.topbar {
  height: 28px;
  color: rgba(255,255,255,.9);
  font-size: 13px;
  background: linear-gradient(90deg, #004486, #006cc9);
}
.bar-inner,
.bar-right {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  height: 100%;
}
.bar-inner p { margin: 0; }
.bar-right span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.navbar {
  height: 64px;
  border-bottom: 1px solid #e7eff8;
  box-shadow: 0 3px 14px rgba(13, 82, 159, .06);
  background: #fff;
}
.nav-inner {
  display: grid;
  grid-template-columns: 300px 1fr auto;
  align-items: center;
  gap: 24px;
  height: 64px;
}
.brand img { width: 238px; }
.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 34px;
  height: 100%;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}
.nav-links a {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}
.nav-links .active { color: var(--blue); }
.nav-links .active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 58px;
  height: 3px;
  border-radius: 6px 6px 0 0;
  background: var(--blue);
  transform: translateX(-50%);
}
.nav-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}
.nav-tools a:not(.quote) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: #496079;
  border: 1px solid #dce8f6;
  border-radius: 50%;
  background: #fff;
}
.nav-tools a:not(.quote) span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.quote,
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 38px;
  padding: 0 22px;
  color: #fff;
  font-weight: 800;
  border: 0;
  border-radius: 19px;
  background: linear-gradient(180deg, #0a79dc, #0059bd);
  box-shadow: 0 8px 18px rgba(4, 92, 190, .18);
}

.section { padding: 42px 0 34px; }
.section-title {
  margin: 0 0 24px;
  text-align: center;
}
.section-title h1,
.section-title h2 {
  margin: 0 0 7px;
  color: #101d31;
  font-size: 28px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0;
}
.section-title h1::after,
.section-title h2::after {
  content: "";
  display: block;
  width: 34px;
  height: 3px;
  margin: 9px auto 0;
  border-radius: 9px;
  background: linear-gradient(90deg, #87c9ff, var(--blue));
}
.section-title p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.module-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 8px 24px rgba(26, 85, 148, .055);
}
.ghost-title {
  position: relative;
  margin: 0 0 28px;
  text-align: left;
}
.ghost-title h1,
.ghost-title h2 {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #121f34;
  font-size: 32px;
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: 0;
}
.ghost-title h1::after,
.ghost-title h2::after {
  display: none;
}
.ghost-title span {
  position: absolute;
  left: 0;
  top: 22px;
  color: rgba(9, 103, 201, .08);
  font-size: 30px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: .02em;
  text-transform: uppercase;
  white-space: nowrap;
}
.metric-strip {
  display: grid;
  gap: 8px;
}
.metric-strip article {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 4px 12px;
  align-items: center;
}
.metric-strip svg {
  grid-row: span 2;
  width: 46px;
  height: 46px;
  padding: 10px;
  color: var(--blue);
  border: 1px solid #cfe3f9;
  border-radius: 50%;
  background: #f5faff;
}
.metric-strip strong {
  color: var(--blue);
  font-size: 20px;
  line-height: 1.2;
}
.metric-strip span {
  color: #68778d;
}
.content-heading {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin: 0 0 20px;
}
.content-heading h2 {
  margin: 0;
  color: var(--blue);
  font-size: 24px;
  line-height: 1.2;
  font-weight: 900;
}
.content-heading h2 span,
.content-heading p {
  margin: 0;
  color: #6c7b91;
  font-size: 14px;
  font-weight: 700;
}
.content-heading.between {
  justify-content: space-between;
}
.content-heading a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-weight: 800;
}
.product-card {
  overflow: hidden;
}
.product-card img {
  width: 100%;
  object-fit: contain;
}
.product-card h3 {
  margin: 0;
  color: #24344d;
  font-size: 16px;
}
.product-card p {
  margin: 0;
  color: #758399;
}
.form-card {
  border: 1px solid #d8e7f6;
  border-radius: 6px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 10px 24px rgba(17, 89, 170, .08);
}
.center-action {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 34px;
  padding: 0 22px;
  color: var(--blue);
  font-weight: 800;
  border: 1px solid #b8d6f6;
  border-radius: 5px;
  background: #fff;
  box-shadow: 0 6px 14px rgba(7, 102, 201, .07);
}

.site-footer {
  color: #dbeeff;
  background: linear-gradient(100deg, #00458e, #006bc9);
}
.footer-inner {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 34px;
  padding: 36px 0 28px;
}
.footer-inner h2 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 16px;
}
.footer-inner a,
.footer-inner p {
  display: block;
  margin: 0 0 9px;
  color: rgba(255,255,255,.78);
  font-size: 14px;
}
.contact p {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.qr {
  width: 72px;
  height: 72px;
  margin-top: 8px;
  border: 5px solid #fff;
  background:
    repeating-linear-gradient(90deg, #111 0 4px, #fff 4px 8px),
    repeating-linear-gradient(0deg, transparent 0 4px, rgba(255,255,255,.5) 4px 8px);
}
.contact b {
  display: inline-block;
  margin-top: 8px;
  color: #fff;
  font-size: 13px;
}
.copyright {
  padding: 18px;
  text-align: center;
  color: rgba(255,255,255,.72);
  font-size: 13px;
  background: rgba(0,55,130,.25);
}

@media (max-width: 1200px) {
  .nav-inner { grid-template-columns: 260px 1fr auto; gap: 16px; }
  .nav-links { gap: 18px; overflow-x: auto; }
  .nav-tools a:not(.quote) { display: none; }
}

@media (max-width: 720px) {
  .container { width: min(100% - 28px, var(--container)); }
  .topbar { height: auto; padding: 6px 0; }
  .bar-inner { align-items: flex-start; flex-direction: column; gap: 4px; }
  .bar-right { flex-wrap: wrap; justify-content: flex-start; }
  .navbar { height: auto; }
  .nav-inner { grid-template-columns: 1fr auto; height: auto; padding: 10px 0; }
  .nav-links { grid-column: 1 / -1; justify-content: flex-start; }
  .footer-inner { grid-template-columns: repeat(2, 1fr); }
  .ghost-title h1,
  .ghost-title h2 { font-size: 26px; }
  .ghost-title span { font-size: 22px; }
}