.jijing-home {
  --ink: #18243b;
  --muted: #54647e;
  --line: #dce3ef;
  --paper: #f5f7fc;
  --gold-deep: #315cce;
}

.jijing-home .brand img { border-radius: 9px; }
.jijing-home .site-header { gap: 24px; }
.jijing-home .top-nav { margin-left: auto; }
.jijing-main { width: min(1180px, calc(100% - 48px)); margin: 20px auto 86px; }

.jijing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  gap: 32px;
  align-items: center;
  min-height: 408px;
  padding: 64px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: radial-gradient(ellipse at 88% 36%, #d9e5ff, transparent 60%), #edf2fd;
}

.jijing-hero h1 { margin: 0; font-size: clamp(42px, 6vw, 76px); line-height: 1.15; letter-spacing: -.045em; }
.jijing-hero-copy > p { max-width: 36ch; margin: 20px 0 28px; font-size: clamp(16px, 2vw, 19px); line-height: 1.85; color: var(--muted); }
.jijing-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.jijing-actions .button-primary { background: #244cb9; color: #fff; }
.jijing-actions .button-primary:hover { background: #1b3b96; }
.jijing-actions .button-quiet { background: #f8faff; border-color: #c9d5ee; }
.jijing-app-art { display: grid; place-items: center; }
.jijing-app-art img {
  width: min(100%, 192px);
  height: auto;
  border-radius: 42px;
  box-shadow: 0 26px 65px #2347893a;
}

.jijing-platforms { margin: 56px 0; scroll-margin-top: 24px; }
.jijing-main h2 { margin: 0 0 18px; font-size: clamp(25px, 3vw, 36px); }
.jijing-platform-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.jijing-platform, .jijing-support { padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.jijing-platform h3 { margin: 0 0 10px; font-size: 21px; }
.jijing-platform p, .jijing-support p { margin: 0; color: var(--muted); line-height: 1.8; }
.jijing-support { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 22px; }
.jijing-support h2 { margin-bottom: 8px; }
.jijing-support a { display: inline-block; margin-top: 8px; color: #244cb9; text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
.jijing-operator strong { display: block; margin-top: 4px; }

@media (max-width: 650px) {
  .jijing-home .site-header { display: flex; flex-wrap: wrap; gap: 12px 20px; }
  .jijing-home .top-nav { display: flex; width: 100%; order: 3; margin: 0; justify-content: flex-start; gap: 15px; }
  .jijing-home .header-contact { display: inline-flex; margin-left: auto; }
  .jijing-main { width: calc(100% - 32px); margin: 12px auto 54px; }
  .jijing-hero { grid-template-columns: 1fr; gap: 28px; padding: 30px 22px; min-height: 0; border-radius: 24px; }
  .jijing-app-art { justify-items: start; }
  .jijing-app-art img { width: 106px; border-radius: 24px; }
  .jijing-platform-grid { grid-template-columns: 1fr; }
  .jijing-platform, .jijing-support { padding: 22px; }
  .jijing-platforms { margin: 38px 0; }
}