/* 应用支撑站入口 */
:root {
  --paper: #f3f6f8;
  --ink: #15202b;
  --ink-secondary: #5a6b7a;
  --accent: #0d7a6f;
  --stroke: rgba(21, 32, 43, 0.1);
  --max: 36rem;
  --font-display: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC",
    "Microsoft YaHei", system-ui, sans-serif;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC",
    "Microsoft YaHei", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(ellipse 100% 70% at 80% -10%, rgba(13, 122, 111, 0.08), transparent 50%),
    linear-gradient(180deg, #f7fafb 0%, var(--paper) 45%, #e8eef2 100%);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.hub {
  padding: 4.5rem 0 3rem;
}

.hub-brand {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.hub-lead {
  margin: 0 0 2.25rem;
  color: var(--ink-secondary);
  font-size: 1.05rem;
}

.app-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--stroke);
}

.app-list li {
  border-bottom: 1px solid var(--stroke);
}

.app-list a {
  display: block;
  padding: 1.15rem 0;
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

.app-list a:hover {
  color: var(--accent);
}

.app-list strong {
  display: block;
  font-size: 1.15rem;
  font-weight: 600;
}

.app-list span {
  display: block;
  margin-top: 0.2rem;
  color: var(--ink-secondary);
  font-size: 0.92rem;
}

.app-list a:hover span {
  color: inherit;
  opacity: 0.85;
}

.hub-foot {
  margin-top: 2.5rem;
  color: var(--ink-secondary);
  font-size: 0.88rem;
}

.hub-foot a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}