:root {
  --bg: #0a0e17;
  --bg2: #0d1320;
  --panel: #121826;
  --panel2: #161d2e;
  --line: #1f293b;
  --text: #e6edf7;
  --muted: #8b97a8;
  --accent: #4f8cff;
  --accent2: #a06bff;
  --c-news: #4f8cff;
  --c-product: #a06bff;
  --c-research: #2fd4c4;
  --c-funding: #ffcf5c;
  --c-policy: #ff8a5c;
  --c-tool: #ff6fae;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

[v-cloak] { display: none; }

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(79, 140, 255, 0.10), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { max-width: 1180px; margin: 0 auto; padding: 28px 20px 60px; }

/* hero */
.hero {
  display: flex; justify-content: space-between; align-items: center;
  gap: 20px; flex-wrap: wrap; padding: 22px 0 18px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  font-size: 24px; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 8px 24px rgba(79, 140, 255, 0.35);
}
.brand-txt h1 { margin: 0; font-size: 24px; letter-spacing: 0.5px; }
.tag { margin: 2px 0 0; color: var(--muted); font-size: 13px; }

.stats { display: flex; gap: 10px; }
.stat {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 8px 16px; text-align: center; min-width: 84px;
}
.stat b { display: block; font-size: 22px; color: #fff; }
.stat span { font-size: 12px; color: var(--muted); }

/* controls */
.controls {
  position: sticky; top: 0; z-index: 5;
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; align-items: center;
  padding: 14px; margin: 6px 0 22px;
  background: rgba(13, 19, 32, 0.82); backdrop-filter: blur(10px);
  border: 1px solid var(--line); border-radius: 14px;
}
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  background: var(--panel); border: 1px solid var(--line); color: var(--muted);
  padding: 7px 13px; border-radius: 999px; cursor: pointer; font-size: 13px;
  transition: 0.18s; display: inline-flex; align-items: center; gap: 6px;
}
.chip i { font-style: normal; font-size: 11px; background: var(--bg2); border-radius: 999px; padding: 1px 7px; color: var(--muted); }
.chip:hover { border-color: var(--accent); color: var(--text); }
.chip.active { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; border-color: transparent; }
.chip.active i { background: rgba(255, 255, 255, 0.25); color: #fff; }

.right { display: flex; gap: 10px; flex-wrap: wrap; }
.search, .src {
  background: var(--panel); border: 1px solid var(--line); color: var(--text);
  border-radius: 10px; padding: 9px 12px; font-size: 13px; outline: none;
}
.search { min-width: 230px; }
.search:focus, .src:focus { border-color: var(--accent); }
.src { cursor: pointer; }

/* sections */
.block { margin-top: 26px; }
.sec-title { font-size: 17px; margin: 0 0 14px; display: flex; align-items: baseline; gap: 8px; }
.sec-title .dim { font-size: 12px; color: var(--muted); font-weight: 400; letter-spacing: 1px; text-transform: uppercase; }
.sec-title small { color: var(--muted); font-weight: 400; }

/* featured */
.feat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.feat-card {
  background: linear-gradient(160deg, var(--panel2), var(--panel));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 18px;
  box-shadow: var(--shadow); position: relative; overflow: hidden; transition: 0.2s;
}
.feat-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--accent); }
.feat-card:hover { transform: translateY(-3px); border-color: var(--accent); }

/* grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 16px 14px; display: flex; flex-direction: column; gap: 10px;
  position: relative; overflow: hidden; transition: 0.2s;
}
.card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--accent); }
.card:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: var(--shadow); }
.card h3 { margin: 0; font-size: 15.5px; line-height: 1.45; }
.card h3 a { transition: 0.15s; }
.card h3 a:hover { color: var(--accent); }
.card p { margin: 0; color: var(--muted); font-size: 13px; }
.card-top { display: flex; justify-content: space-between; align-items: center; }
.date { font-size: 12px; color: var(--muted); }
.badge { font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: 999px; color: #06121f; background: var(--accent); }
.tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 2px; }
.tag { font-size: 11px; color: var(--muted); background: var(--bg2); border: 1px solid var(--line); padding: 2px 8px; border-radius: 999px; }
.card-foot { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 8px; border-top: 1px solid var(--line); }
.src { font-size: 12px; color: var(--muted); }
.go { font-size: 12px; color: var(--accent); font-weight: 600; }
.go:hover { text-decoration: underline; }

/* category colors */
.cat-news .badge { background: var(--c-news); color: #04101f; }
.cat-product .badge { background: var(--c-product); color: #fff; }
.cat-research .badge { background: var(--c-research); color: #04101f; }
.cat-funding .badge { background: var(--c-funding); color: #1c1400; }
.cat-policy .badge { background: var(--c-policy); color: #1c0a00; }
.cat-tool .badge { background: var(--c-tool); color: #1c0410; }
.cat-news::before { background: var(--c-news); }
.cat-product::before { background: var(--c-product); }
.cat-research::before { background: var(--c-research); }
.cat-funding::before { background: var(--c-funding); }
.cat-policy::before { background: var(--c-policy); }
.cat-tool::before { background: var(--c-tool); }

.empty { color: var(--muted); text-align: center; padding: 40px 0; }
.foot { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; text-align: center; }
.foot code { background: var(--bg2); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; color: var(--text); }

@media (max-width: 640px) {
  .stats { width: 100%; justify-content: space-between; }
  .stat { flex: 1; }
  .controls { position: static; }
  .search { min-width: 0; flex: 1; }
}