:root {
  --ink: #0e1a26;
  --brand: #0f6bb0;
  --brand-dark: #0b5490;
  --navy: #0a2540;
  --paper: #eef3f8;
  --surface: #fff;
  --line: #d9e1e8;
  --muted: #56677a;
  --radius: 2px;

  margin: 0;
  background: var(--surface);
  color: var(--ink);
   
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
  line-height: 1.65;
  overflow-x: clip;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  scroll-behavior: smooth;
}

.zeal-page h1,
.zeal-page h2,
.zeal-page h3 {
  
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.005em;
  word-spacing: 0.08em;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.zeal-page :focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}
.zeal-page ::selection {
  background: var(--brand);
  color: #fff;
}
.zeal-page a {
  color: inherit;
  text-decoration: inherit;
}
.zeal-page ul,
.zeal-page ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
.zeal-page img,
.zeal-page svg {
  display: block;
  max-width: 100%;
}
.zeal-page button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}
.zeal-page table {
  border-collapse: collapse;
  text-indent: 0;
}

/* ---------- 布局 ---------- */
.zeal-wrap {
}
.zeal-section {
  padding-block: clamp(30px, 6.25vw, 120px);
}
.zeal-main {
  flex: 1;
}


 
.zeal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: 6px;
  min-height: 46px;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 600;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
  margin-top: 30px;
}
.zeal-btn--primary {
  background: var(--brand);
  color: #fff;
}
.zeal-btn--primary:hover {
  background: var(--brand-dark);color:#fff;
}
.zeal-btn--header {
  display: none;
}
@media (min-width: 40rem) {
  .zeal-btn--header {
    display: inline-flex;
    min-height: 2.5rem;
  }
}
.zeal-ulink {
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px
    no-repeat;
  transition: background-size 0.2s;
}
.zeal-ulink:hover,
.zeal-ulink[aria-current="page"] {
  background-size: 100% 1px;
}

/* ---------- Hero ---------- */
.zeal-hero {
  border-bottom: 1px solid #d9e1e8;
  background: #eef3f8;
  padding: clamp(30px, 5.208vw, 100px) 0;
}
.zeal-hero-inner {
}
 
.zeal-hero-title {
  max-width: 48rem;
  font-size: clamp(24px, 2.50vw, 48px);
  line-height: 1.2;
}
 
.zeal-hero-desc {
  margin-top: 1.25rem;
  max-width: 42rem;
  font-size: clamp(14px, 0.94vw, 18px);
  line-height: calc(1.75 / 1.125);
  color: var(--muted);
}
.zeal-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
}
.zeal-chip {
  border: 1px solid var(--line);
  border-radius: 0.25rem;
  background: var(--surface);
  padding: 0.5rem 0.875rem;
  font-size: clamp(11px, 0.73vw, 14px);
  line-height: calc(1.25 / 0.875);
  transition: border-color 0.15s;
  color: #333;
  font-weight: 600;
}
.zeal-chip:hover {
  border-color: var(--ink);
}