:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1c2530;
  --muted: #606a78;
  --line: #dfe5eb;
  --brand: #1f4f8f;
  --brand-dark: #173b69;
  --brand-soft: #eaf1fb;
  --dark: #132235;
  --accent: #d98a2b;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

img {
  max-width: 100%;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
  flex-wrap: wrap;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  border-radius: 12px;
  background: #fff;
}

.brand {
  font-size: 22px;
  font-weight: 700;
}

.sub-brand {
  font-size: 13px;
  color: var(--muted);
}

.nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.nav a,
.header-cta,
.btn {
  text-decoration: none;
}

.nav a {
  color: var(--text);
  font-size: 14px;
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  border-radius: 10px;
}

.header-cta {
  min-width: 110px;
  padding: 12px 18px;
  background: var(--brand);
  color: #fff;
}

.hero {
  padding: 72px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  align-items: center;
}

.tag,
.section-tag,
.mini-label {
  display: inline-block;
  margin: 0 0 14px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
}

.section-tag-light {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.12;
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.2;
}

h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

p {
  margin-top: 0;
}

.hero-text,
.section-intro,
.card p,
.section p,
.stat-card span,
.trust-title {
  color: var(--muted);
}

.hero-points {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.hero-points span,
.trust-items span {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 14px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn {
  min-width: 126px;
  padding: 12px 18px;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-secondary {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--line);
}

.hero-card,
.card,
.contact-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.05);
}

.hero-logo {
  width: 100px;
  display: block;
  margin: 0 0 16px;
  border-radius: 16px;
  background: #fff;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.stat-card {
  padding: 14px;
  border-radius: 14px;
  background: #f6f9fc;
  border: 1px solid var(--line);
}

.stat-card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--brand-dark);
  font-size: 22px;
}

.trust-strip {
  padding-bottom: 20px;
}

.trust-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}

.trust-title {
  margin: 0;
  font-size: 18px;
}

.trust-items {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.section {
  padding: 72px 0;
}

.section-compact {
  padding: 8px 0 44px;
}

.section-muted {
  background: #eef3f8;
}

.about-grid,
.section-head,
.contact-panel {
  display: grid;
  gap: 24px;
}

.section-head-wide {
  grid-template-columns: 1fr 420px;
}

.about-grid {
  grid-template-columns: 1.2fr 0.8fr;
}

.section-head,
.contact-panel {
  grid-template-columns: 1fr 340px;
  align-items: start;
}

.feature-stack,
.grid {
  display: grid;
  gap: 18px;
}

.facts-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-card {
  min-height: 100%;
}

.metric-label {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
}

.metric-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 30px;
  line-height: 1.2;
  color: var(--brand-dark);
}

.three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.customer-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.value-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.store-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-model-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  align-items: start;
}

.service-model-stack {
  display: grid;
  gap: 18px;
}

.service-checks {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.service-checks span {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 14px;
}

.card-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 16px;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 700;
}

.store-badge {
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.fact-card,
.faq-card {
  height: 100%;
}

.customer-card,
.value-card,
.model-card,
.store-note {
  height: 100%;
}

.accent-store {
  background: #fff9f2;
}

.store-note {
  margin-top: 18px;
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.process-panel {
  margin-top: 28px;
  padding: 28px;
  border-radius: 18px;
  background: var(--dark);
}

.process-panel h2,
.process-panel h3,
.process-panel p,
.process-panel .section-tag {
  color: #fff;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.process-grid article {
  padding: 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
}

.process-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-weight: 700;
}

.contact-section {
  background: var(--dark);
}

.contact-section h2,
.contact-section p {
  color: rgba(255, 255, 255, 0.92);
}

.contact-card {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: none;
}

.map-copy-block {
  margin-top: 22px;
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.map-copy-title {
  margin-bottom: 10px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.site-footer {
  padding: 20px 0 28px;
  background: #0f1b2a;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-inner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

@media (max-width: 980px) {
  .hero-grid,
  .about-grid,
  .section-head,
  .section-head-wide,
  .contact-panel,
  .three-col,
  .facts-grid,
  .metric-grid,
  .customer-grid,
  .value-grid,
  .service-model-grid,
  .store-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    flex-direction: column;
    gap: 10px;
  }

  .two-col,
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn,
  .header-cta {
    width: 100%;
  }
}