.t-zh { display: none; }
html.zh .t-en { display: none; }
html.zh .t-zh { display: inline; }
html.zh .t-block-zh { display: block; }
.t-block-zh { display: none; }
html.zh .t-block-en { display: none; }
section { scroll-margin-top: 72px; }
.hero-grad { background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #172554 100%); }
.svc-icon { display:flex; align-items:center; justify-content:center; width:56px; height:56px; border-radius:14px; font-size:28px;
  background: linear-gradient(135deg,#1e3a8a,#2563eb); color:#fff; box-shadow:0 6px 18px rgba(30,58,138,.35); }