:root {
  --ki-blue: #08a7df;
  --ki-navy: #0b3042;
  --ki-text: #163246;
  --ki-muted: #657b8a;
  --ki-line: #dce8ef;
  --ki-bg: #f4f8fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ki-text);
  background: var(--ki-bg);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

a { color: inherit; text-decoration: none; }

.ki-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 5vw;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--ki-line);
}

.ki-logo { font-size: 24px; font-weight: 800; color: var(--ki-navy); }
.ki-logo::after { content: "•"; color: var(--ki-blue); margin-left: 3px; }
.ki-nav { display: flex; gap: 24px; color: #436072; font-size: 14px; }
.ki-nav a:hover { color: var(--ki-blue); }

.ki-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.ki-hero {
  margin-top: 32px;
  padding: 44px;
  color: #fff;
  border-radius: 20px;
  background: linear-gradient(130deg, #0c3346 0%, #075d7d 66%, #08a7df 130%);
  box-shadow: 0 20px 45px rgba(12, 48, 66, .13);
}

.ki-kicker { margin: 0 0 12px; color: #79dcff; font-weight: 700; }
.ki-hero h1 { max-width: 850px; margin: 0; font-size: clamp(30px, 4vw, 48px); line-height: 1.22; }
.ki-hero p { max-width: 820px; margin: 18px 0 0; color: #d9f3ff; font-size: 17px; line-height: 1.9; }
.ki-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 24px; color: #d9f3ff; font-size: 14px; }

.ki-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin: 36px 0 20px;
}

.ki-toolbar h2 { margin: 0 0 6px; color: var(--ki-navy); font-size: 28px; }
.ki-toolbar p { margin: 0; color: var(--ki-muted); }
.ki-page-count { white-space: nowrap; color: var(--ki-blue); font-weight: 700; }

.ki-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.ki-card {
  display: flex;
  flex-direction: column;
  min-height: 230px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--ki-line);
  border-radius: 14px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.ki-card:hover {
  transform: translateY(-3px);
  border-color: #a8dff2;
  box-shadow: 0 15px 35px rgba(17, 72, 97, .1);
}

.ki-card time { color: var(--ki-blue); font-size: 13px; font-weight: 700; }
.ki-card h2 { margin: 13px 0 10px; color: var(--ki-navy); font-size: 19px; line-height: 1.5; }
.ki-card p { margin: 0; color: var(--ki-muted); font-size: 14px; line-height: 1.75; }
.ki-card span { margin-top: auto; padding-top: 18px; color: var(--ki-blue); font-weight: 700; }

.ki-pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin: 38px 0 52px;
}

.ki-pagination a,
.ki-pagination strong {
  min-width: 42px;
  padding: 10px 13px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--ki-line);
  border-radius: 9px;
}

.ki-pagination strong { color: #fff; background: var(--ki-blue); border-color: var(--ki-blue); }
.ki-pagination a:hover { color: var(--ki-blue); border-color: var(--ki-blue); }

.ki-footer { padding: 30px 20px 42px; text-align: center; color: var(--ki-muted); border-top: 1px solid var(--ki-line); }

@media (max-width: 900px) {
  .ki-nav { display: none; }
  .ki-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .ki-shell { width: min(100% - 24px, 1180px); }
  .ki-header { min-height: 60px; padding: 0 18px; }
  .ki-hero { margin-top: 18px; padding: 28px 22px; border-radius: 15px; }
  .ki-hero p { font-size: 15px; }
  .ki-toolbar { align-items: flex-start; flex-direction: column; }
  .ki-grid { grid-template-columns: 1fr; }
  .ki-card { min-height: 0; }
}