:root {
  color-scheme: light;
  --ink: #07162f;
  --muted: #5f6b7b;
  --line: #d6dde7;
  --paper: #f4f6f9;
  --blue: #1768f2;
}

* { box-sizing: border-box; }

html {
  line-break: strict;
  word-break: normal;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(10, 30, 60, .035) 1px, transparent 1px) 0 0 / 80px 80px,
    linear-gradient(rgba(10, 30, 60, .035) 1px, transparent 1px) 0 0 / 80px 80px,
    var(--paper);
  font-family: "Source Han Sans CN", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  overflow-wrap: break-word;
}

a { color: inherit; }
p, li { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; }

header, main, footer {
  width: min(100% - 48px, 1440px);
  margin: 0 auto;
}

header { padding: 58px 0 90px; }
.material-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  font-size: 13px;
}
.material-nav a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 700;
}
.material-nav strong {
  padding: 7px 10px;
  color: white;
  background: var(--ink);
  font-size: 12px;
}
header > p:not(.lede) { margin: 70px 0 18px; color: var(--blue); font: 650 12px/1 Bahnschrift, sans-serif; letter-spacing: .2em; }
header h1 { margin: 0; font: 760 clamp(62px, 8vw, 118px)/1 "Source Han Sans CN", "Microsoft YaHei", Bahnschrift, sans-serif; letter-spacing: -.018em; }
.lede { max-width: 760px; margin: 34px 0 0; color: var(--muted); font-size: 17px; line-height: 1.85; }

section {
  margin-bottom: 30px;
  padding: 48px;
  border: 1px solid rgba(8, 28, 58, .12);
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 24px 70px rgba(9, 29, 60, .06);
}

.priority-head {
  margin-bottom: 40px;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 20px;
  align-items: start;
}

.priority-head > span { color: var(--blue); font: 750 20px/1 Bahnschrift, sans-serif; }
.priority-head h2 { margin: 0 0 7px; font: 720 36px/1.1 "Source Han Sans CN", "Microsoft YaHei", Bahnschrift, sans-serif; letter-spacing: -.012em; }
.priority-head p { margin: 0; color: var(--muted); font-size: 13px; }

.request-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.request-grid article {
  min-height: 250px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.request-grid article > span { color: var(--blue); font: 650 11px/1 Bahnschrift, sans-serif; }
.request-grid h3 { margin: 58px 0 14px; font-size: 22px; }
.request-grid p, .priority-two > p { margin: 0; color: var(--muted); line-height: 1.8; }

.mapping-table { border-top: 2px solid var(--ink); }
.mapping-table > div {
  min-height: 86px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 180px 240px 1fr;
  gap: 24px;
  align-items: center;
}
.mapping-table span { color: var(--blue); }
.mapping-table p { margin: 0; color: var(--muted); }

.priority-one ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.priority-one li {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 20px;
}
.priority-one li span { color: var(--muted); }

footer {
  padding: 40px 0 60px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 13px;
}
footer a { color: var(--blue); }

@media (max-width: 900px) {
  .request-grid { grid-template-columns: repeat(2, 1fr); }
  .mapping-table > div { grid-template-columns: 130px 1fr; }
  .mapping-table p { grid-column: 2; }
}

@media (max-width: 620px) {
  header, main, footer { width: calc(100% - 28px); }
  header { padding-top: 34px; }
  header h1 { font-size: 58px; }
  section { padding: 26px 20px; }
  .priority-head { grid-template-columns: 64px 1fr; }
  .priority-head > span { font-size: 14px; white-space: nowrap; }
  .priority-head h2 { font-size: 27px; }
  .request-grid { grid-template-columns: 1fr; }
  .mapping-table > div, .priority-one li { grid-template-columns: 1fr; gap: 7px; }
  .mapping-table p { grid-column: auto; }
  footer { flex-direction: column; }
}