:root {
  color-scheme: light;
  --bg: #f5f7f3;
  --paper: #fff;
  --ink: #20392d;
  --muted: #718075;
  --green: #2e6749;
  --line: #dfe7dc;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-width: 280px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
svg { display: block; width: 100%; height: 100%; }

.site-header { border-bottom: 1px solid var(--line); }
.header-inner, .page, .page-footer { width: min(1120px, 100%); margin-inline: auto; }
.header-inner { padding: 27px 32px; }
.wordmark { display: inline-flex; align-items: center; gap: 13px; }
.brand-mark { display: grid; grid-template-columns: repeat(2, 11px); gap: 4px; }
.brand-mark i { width: 11px; height: 11px; border-radius: 2px; background: var(--green); }
.brand-mark i:last-child { border-radius: 2px 2px 7px 2px; opacity: .45; }
.brand-name { font-size: 12px; font-weight: 750; line-height: 1.5; letter-spacing: 1.8px; }
.brand-name > span { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; font-weight: 400; letter-spacing: 2px; }

.page { padding: 74px 32px 48px; }
.page-heading { margin-bottom: 39px; }
.eyebrow { margin: 0 0 16px; color: var(--green); font-size: 10px; font-weight: 600; letter-spacing: 2.8px; }
h1 { margin: 0; font-size: clamp(32px, 4vw, 44px); font-weight: 650; line-height: 1.4; letter-spacing: 1px; }
h1 > span { color: #93af86; }
.intro { margin: 17px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8; letter-spacing: .3px; }
.portal-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.portal-card {
  position: relative;
  display: flex;
  min-height: 288px;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}
.card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.portal-icon { display: grid; place-items: center; width: 51px; height: 51px; padding: 10px; border: 1px solid #e0eadb; border-radius: 12px; background: #f1f5ee; color: var(--green); }
.portal-icon svg { stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.card-number { padding-top: 2px; color: #9daa97; font-family: Georgia, serif; font-size: 15px; font-variant-numeric: tabular-nums; }
.card-copy { margin-top: 37px; padding-bottom: 36px; }
h2 { margin: 0; font-size: 22px; font-weight: 650; line-height: 1.5; letter-spacing: .5px; }
.card-copy p { margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.card-arrow { position: absolute; bottom: 23px; right: 26px; width: 29px; height: 29px; padding: 5px; color: var(--green); }
.card-arrow svg { stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.portal-card-primary { border-color: var(--green); background: var(--green); color: #fff; }
.portal-card-primary .portal-icon { border-color: #ffffff29; background: #ffffff10; color: #e0ecd7; }
.portal-card-primary .card-number { color: #bed0bd; }
.portal-card-primary .card-copy p { color: #d2e0cf; }
.portal-card-primary .card-arrow { color: #e0ecd7; }
.portal-card:focus-visible { outline: 3px solid #7fa373; outline-offset: 5px; }
.portal-card:hover { border-color: #92b186; box-shadow: 0 10px 28px #20392d0c; }
.portal-card-primary:hover { border-color: #244f38; background: #295d42; }
.page-footer { margin-top: auto; padding: 25px 32px 29px; color: #8d9988; font-size: 10px; letter-spacing: 1px; }
.page-footer > span { display: block; border-top: 1px solid var(--line); padding-top: 22px; }

@media (max-width: 800px) {
  .header-inner { padding: 23px 26px; }
  .page { padding: 49px 26px 35px; }
  .portal-grid { gap: 13px; }
  .portal-card { padding: 22px; min-height: 270px; }
  .card-copy { margin-top: 32px; }
  h2 { font-size: 20px; }
  .card-copy p { font-size: 11px; }
  .card-arrow { right: 20px; bottom: 19px; }
  .page-footer { padding-inline: 26px; }
}

@media (max-width: 620px) {
  .header-inner { padding: 20px 23px; }
  .brand-name { font-size: 11px; }
  .brand-name > span { font-size: 9px; }
  .page { padding: 35px 22px 29px; }
  .page-heading { margin-bottom: 26px; }
  .eyebrow { margin-bottom: 10px; font-size: 9px; letter-spacing: 2.4px; }
  h1 { font-size: 31px; }
  .intro { margin-top: 10px; font-size: 12px; }
  .portal-grid { grid-template-columns: 1fr; gap: 13px; }
  .portal-card { min-height: 145px; padding: 25px 53px 25px 83px; justify-content: center; border-radius: 12px; }
  .card-top { display: contents; }
  .portal-icon { position: absolute; left: 21px; top: 28px; width: 43px; height: 43px; border-radius: 10px; padding: 8px; }
  .card-number { position: absolute; top: 18px; right: 21px; font-size: 11px; }
  .card-copy { margin-top: 0; padding: 0; }
  h2 { font-size: 21px; }
  .card-copy p { margin-top: 8px; font-size: 11px; line-height: 1.8; }
  .card-arrow { right: 17px; bottom: 24px; }
  .page-footer { padding: 0 22px 24px; font-size: 9px; }
  .page-footer > span { padding-top: 19px; }
}

@media (max-width: 360px) {
  .page { padding-inline: 16px; }
  .portal-card { padding-left: 72px; padding-right: 40px; }
  .portal-icon { left: 17px; width: 38px; height: 38px; padding: 7px; }
  h1 { font-size: 28px; }
  h2 { font-size: 19px; }
  .page-footer { padding-inline: 16px; }
}

@media (prefers-reduced-motion: no-preference) {
  .portal-card { transition: background .16s, border-color .16s, box-shadow .16s, transform .16s; }
  .card-arrow { transition: transform .16s; }
  .portal-card:hover { transform: translateY(-3px); }
  .portal-card:hover .card-arrow { transform: translateX(3px); }
}