:root {
  --bg: #0a0e18;
  --bg-2: #0f1524;
  --card: #141b2c;
  --card-2: #1a2337;
  --fg: #e9eefb;
  --fg-2: #b9c4d8;
  --dim: #7e8ba3;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --hot-1: #ff6b35;
  --hot-2: #ff2d55;
  --hot-3: #ffb020;
  --ok: #34d399;
  --radius: 14px;
  --wrap: 780px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 50% -200px, #17203a 0%, var(--bg) 60%);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
}

a { color: inherit; text-decoration: none; }
h1, h2 { margin: 0; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0; }

/* ---------- header ---------- */
.top {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: saturate(160%) blur(14px);
  background: rgba(10, 14, 24, 0.86);
  border-bottom: 1px solid var(--line);
  padding-top: env(safe-area-inset-top);
}

.bar {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.brand { display: flex; align-items: center; gap: 9px; min-width: 0; }
.brand .logo {
  font-size: 20px;
  line-height: 1;
  filter: drop-shadow(0 0 10px rgba(255, 107, 53, 0.55));
}
.brand b { display: block; font-size: 17px; letter-spacing: 0.01em; }
.brand i { display: block; font-size: 11px; color: var(--dim); font-style: normal; }

.stamp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--fg-2);
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.22);
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
}
.stamp .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5); }
  70% { box-shadow: 0 0 0 7px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

/* ---------- chips / tabs ---------- */
.chips, .tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding: 9px 16px;
  max-width: var(--wrap);
  margin: 0 -16px;
}
.chips::-webkit-scrollbar, .tabs::-webkit-scrollbar { display: none; }
.chips { border-bottom: 1px solid var(--line); }

.chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  color: var(--fg-2);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  white-space: nowrap;
  transition: 0.15s;
}
.chip span { font-size: 14px; }
.chip:active { transform: scale(0.96); }
.chip.on {
  color: #fff;
  background: linear-gradient(135deg, var(--hot-1), var(--hot-2));
  border-color: transparent;
  font-weight: 600;
}

.tabs { gap: 6px; padding-top: 2px; margin-top: 10px; }
.tabs button {
  flex: 1 1 0;
  font: inherit;
  font-size: 13px;
  color: var(--fg-2);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 0;
  min-height: 38px;
  cursor: pointer;
}
.tabs button.on {
  color: #fff;
  background: var(--card-2);
  border-color: var(--line-2);
  font-weight: 600;
}

/* ---------- layout ---------- */
main { max-width: var(--wrap); margin: 0 auto; padding: 0 16px 40px; overflow-x: hidden; }

.hero { padding: 16px 0 12px; }
.hero h1 { font-size: 25px; line-height: 1.25; }
.hero h1 + .sub, .hero .sub { color: var(--dim); font-size: 13px; margin-top: 7px; }
.stats {
  display: flex; flex-wrap: wrap; gap: 6px;
  font-size: 12px; color: var(--dim);
  margin-top: 12px;
}
.stats b { color: var(--fg-2); }
.crumb { font-size: 12px; color: var(--dim); margin-bottom: 8px; }
.crumb a { color: var(--fg-2); }

/* ---------- news list ---------- */
.news { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1px; }
.item {
  display: grid;
  grid-template-columns: 30px 1fr 34px;
  gap: 10px;
  align-items: start;
  padding: 13px 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 8px;
  position: relative;
  overflow: hidden;
}
.item::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--hot-1), var(--hot-2));
  opacity: 0;
}
.item:nth-child(-n+3)::before { opacity: 1; }

.idx {
  font-size: 15px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--dim);
  text-align: center;
  padding-top: 1px;
}
.item:nth-child(1) .idx { color: #ff4d4d; }
.item:nth-child(2) .idx { color: #ff8c42; }
.item:nth-child(3) .idx { color: #ffb020; }

.body { min-width: 0; }
.title {
  overflow-wrap: anywhere;
  display: block;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.42;
  color: var(--fg);
  word-break: break-word;
}
.title:active { color: var(--hot-1); }
.desc {
  overflow-wrap: anywhere;
  font-size: 12.5px;
  color: var(--dim);
  margin-top: 5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--dim);
}
.meta .src { color: var(--fg-2); }
.meta .tag-more {
  color: #ffb020;
  background: rgba(255, 176, 32, 0.12);
  border-radius: 4px;
  padding: 1px 5px;
}

.heat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  align-self: stretch;
}
.heat span {
  width: 4px;
  min-height: 6px;
  border-radius: 99px;
  background: linear-gradient(180deg, var(--hot-3), var(--hot-2));
  display: block;
  margin-top: 2px;
}
.heat em {
  font-style: normal;
  font-size: 10px;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}

/* ---------- industry grid ---------- */
.sec { margin-top: 30px; }
.sec h2, .chipwrap h2 { font-size: 18px; }
.sec .sub { color: var(--dim); font-size: 13px; margin-top: 6px; }

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 14px;
}
@media (min-width: 620px) { .grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .grid { grid-template-columns: repeat(3, 1fr); } }

.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 14px;
  transition: 0.15s;
}
.card:active { background: var(--card-2); transform: scale(0.99); }
.card-h {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
}
.card-h .ico { font-size: 17px; }
.card-h .more { margin-left: auto; font-size: 11.5px; color: var(--dim); }
.mini { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-direction: column; gap: 7px; }
.mini li {
  overflow-wrap: anywhere;
  font-size: 13px;
  color: var(--fg-2);
  line-height: 1.4;
  position: relative;
  padding-left: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.mini li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--hot-1);
  opacity: 0.75;
}

.chipwrap { margin-top: 32px; }

.btn {
  display: inline-block;
  margin-top: 14px;
  padding: 11px 18px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--hot-1), var(--hot-2));
  color: #fff;
  font-weight: 600;
  font-size: 14px;
}

#totop {
  position: fixed;
  right: 14px;
  bottom: calc(16px + env(safe-area-inset-bottom));
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: rgba(20, 27, 44, 0.92);
  color: var(--fg-2);
  font-size: 17px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: 0.2s;
  z-index: 40;
}
#totop.show { opacity: 1; pointer-events: auto; }

footer {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 26px 16px 40px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--fg-2);
}
footer .dim { color: var(--dim); margin-top: 6px; line-height: 1.6; }