:root {
  --color-bg: #f7f8fb;
  --color-surface: #ffffff;
  --color-text: #1b2430;
  --color-muted: #5f6b7a;
  --color-primary: #0f62fe;
  --color-primary-dark: #0043ce;
  --color-accent: #0e7490;
  --color-border: #e3e8ef;
  --radius: 14px;
  --shadow: 0 12px 40px rgba(15, 35, 70, 0.08);
  --container: 1120px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Noto Sans SC", "DM Sans", system-ui, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }

.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }
.content-narrow { max-width: 820px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
}

.site-brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  font-weight: 700;
}

.site-brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.site-brand__text small { color: var(--color-muted); font-size: 12px; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--color-text);
  font-size: 14px;
  font-weight: 500;
}

.site-nav a:hover { background: #eef3ff; }

.site-nav a.is-current,
.site-nav a.is-current:hover {
  background: var(--color-primary);
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(15, 98, 254, 0.28);
}

.site-nav__highlight {
  background: #eef3ff;
  color: var(--color-primary-dark) !important;
  border: 1px solid #c8d7ff;
}

.site-nav__highlight.is-current,
.site-nav__highlight.is-current:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff !important;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.hero {
  padding: 72px 0 48px;
  background:
    radial-gradient(circle at top right, rgba(15, 98, 254, 0.12), transparent 35%),
    linear-gradient(180deg, #fff 0%, var(--color-bg) 100%);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero h1, .page-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
}

.hero__lead { font-size: 1.08rem; color: var(--color-muted); max-width: 56ch; }

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
}

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

.btn--primary:hover { background: var(--color-primary-dark); }

.btn--ghost {
  border-color: var(--color-border);
  background: #fff;
  color: var(--color-text) !important;
}

.hero__panel { display: grid; gap: 14px; }

.stat-card {
  padding: 18px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stat-card strong { display: block; margin-bottom: 6px; font-size: 1.05rem; }
.stat-card span { color: var(--color-muted); font-size: 14px; }
.stat-card--accent { border-color: #99d5e8; background: #f0fbff; }

.section { padding: 64px 0; }
.section--muted { background: #eef2f7; }

.section__head { margin-bottom: 28px; max-width: 640px; }
.section__head h2 { margin: 0 0 8px; font-size: 1.8rem; }
.section__head p { margin: 0; color: var(--color-muted); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.product-card {
  position: relative;
  padding: 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
}

.product-card__badge {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #eef3ff;
  color: var(--color-primary-dark);
  font-size: 12px;
  font-weight: 700;
}

.product-card h3 { margin: 0 0 8px; font-size: 1.5rem; }
.product-card__subtitle { margin: 0 0 12px; color: var(--color-accent); font-weight: 600; }
.product-card p:last-of-type { color: var(--color-muted); }
.product-card__link { display: inline-block; margin-top: 16px; font-weight: 600; }

.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px;
  background: var(--color-surface);
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

.page-hero {
  padding: 56px 0 24px;
  background: linear-gradient(180deg, #fff, var(--color-bg));
}

.page-hero--services {
  border-bottom: 1px solid var(--color-border);
}

.page-content h1 { margin-top: 0; }

.feature-list {
  margin: 0 0 28px;
  padding-left: 1.2rem;
}

.feature-list li { margin-bottom: 12px; }

.process-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.process-step {
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.process-step span {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--color-primary);
  font-weight: 700;
}

.process-step h3 { margin: 0 0 8px; font-size: 1.05rem; }
.process-step p { margin: 0; color: var(--color-muted); font-size: 14px; }

.site-footer {
  margin-top: 48px;
  padding: 48px 0 24px;
  background: #101828;
  color: #d0d5dd;
}

.site-footer h3, .site-footer h4 { color: #fff; margin-top: 0; }
.site-footer a { color: #d0d5dd; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 24px;
  margin-bottom: 24px;
  align-items: start;
}

.site-footer__contact h4 { margin-bottom: 12px; }

.site-footer__qr-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.site-footer__qr {
  margin: 0;
  text-align: center;
}

.site-footer__qr img {
  display: block;
  width: 96px;
  height: 96px;
  object-fit: cover;
  border-radius: 10px;
  background: #fff;
  padding: 4px;
}

.site-footer__qr figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: #d0d5dd;
}

.site-footer__bottom {
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
}

.site-footer__copyright {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin: 0;
}

.site-footer__icp::before {
  content: "·";
  margin-right: 16px;
  color: rgba(255, 255, 255, 0.35);
}

.site-footer__icp a {
  color: #98a2b3;
}

.site-footer__icp a:hover {
  color: #fff;
}

.entry-content > *:first-child { margin-top: 0; }

@media (max-width: 900px) {
  .hero__grid,
  .product-grid,
  .process-grid,
  .site-footer__grid,
  .cta-banner {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
  }

  .nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav.is-open { display: flex; }
}