:root {
  --bg: #0b0d10;
  --panel: #141820;
  --panel2: #1a2030;
  --border: #2a3344;
  --text: #e8edf5;
  --muted: #8b97ab;
  --accent: #6ea8fe;
  --accent2: #3dd68c;
  --warn: #f5a524;
  --danger: #f87171;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(0,0,0,.35);
  --font: "PingFang SC", "Noto Sans SC", "Helvetica Neue", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #18233a 0%, transparent 50%),
              radial-gradient(900px 500px at 100% 0%, #13281f 0%, transparent 45%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(1100px, calc(100% - 28px)); margin: 0 auto; }
.top {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(11,13,16,.82);
  border-bottom: 1px solid var(--border);
}
.top-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 0; flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 1.05rem; color: var(--text); text-decoration: none; }
.nav { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.nav a { color: var(--muted); padding: 6px 10px; border-radius: 8px; }
.nav a:hover { color: var(--text); background: var(--panel); text-decoration: none; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px; padding: 8px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--accent); color: #061018; font-weight: 600; cursor: pointer;
  font: inherit; text-decoration: none;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--text); }
.btn.small { padding: 6px 10px; font-size: .85rem; }
.hero { padding: 28px 0 8px; }
.hero h1 { margin: 0 0 6px; font-size: clamp(1.5rem, 4vw, 2rem); }
.sub { color: var(--muted); margin: 0; }
.toolbar {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  margin: 18px 0 10px;
  position: sticky; top: 58px; z-index: 10;
  padding: 10px 0;
  background: linear-gradient(var(--bg), rgba(11,13,16,.92));
}
@media (max-width: 720px) {
  .toolbar { grid-template-columns: 1fr; top: 52px; }
}
input[type="search"], select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font: inherit;
  outline: none;
}
input[type="search"]:focus, select:focus { border-color: var(--accent); }
.result-meta { color: var(--muted); font-size: .9rem; margin: 0 0 12px; }
.card-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
  padding-bottom: 40px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.card.hidden { display: none; }
.card-link { display: block; padding: 16px 16px 8px; color: inherit; text-decoration: none; flex: 1; }
.card-link:hover { background: var(--panel2); }
.card-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; }
.chip {
  font-size: .75rem; text-transform: uppercase; letter-spacing: .04em;
  padding: 3px 8px; border-radius: 999px; background: #243049; color: #b8c7e6;
}
.score {
  font-weight: 800; font-variant-numeric: tabular-nums;
  padding: 3px 8px; border-radius: 8px; font-size: .85rem;
}
.score.hi { background: rgba(61,214,140,.15); color: var(--accent2); }
.score.mid { background: rgba(245,165,36,.15); color: var(--warn); }
.score.lo { background: rgba(248,113,113,.12); color: var(--danger); }
.card-title { margin: 0 0 8px; font-size: 1.05rem; line-height: 1.35; }
.ca {
  display: block; font-family: var(--mono); font-size: .72rem;
  color: var(--muted); word-break: break-all; margin-bottom: 8px;
}
.ca.big { font-size: .85rem; margin: 8px 0 12px; color: #c5d0e0; }
.blurb {
  margin: 0; color: var(--muted); font-size: .9rem;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.card-meta {
  display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap;
  margin-top: 12px; font-size: .75rem; color: #6f7c92;
}
.card-actions {
  display: flex; gap: 8px; padding: 0 16px 14px; flex-wrap: wrap;
}
.detail-actions { padding: 0; margin-top: 14px; }
.empty { color: var(--muted); padding: 40px 0; text-align: center; grid-column: 1 / -1; }
.crumb { margin: 18px 0 8px; }
.detail-head {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 18px;
}
.detail-head h1 { margin: 6px 0 0; font-size: clamp(1.35rem, 3.5vw, 1.85rem); }
.md-body {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 22px 32px;
  overflow-x: auto; margin-bottom: 48px;
}
.md-body h1, .md-body h2, .md-body h3 { scroll-margin-top: 80px; }
.md-body h1 { font-size: 1.4rem; }
.md-body h2 {
  font-size: 1.15rem; margin-top: 1.6em;
  padding-bottom: 6px; border-bottom: 1px solid var(--border);
}
.md-body h3 { font-size: 1.02rem; }
.md-body table {
  width: 100%; border-collapse: collapse; display: block; overflow-x: auto;
  font-size: .88rem; margin: 12px 0;
}
.md-body th, .md-body td {
  border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top;
}
.md-body th { background: #1c2433; white-space: nowrap; }
.md-body tr:nth-child(even) td { background: rgba(255,255,255,.02); }
.md-body code {
  font-family: var(--mono); font-size: .85em;
  background: #1c2433; padding: 1px 5px; border-radius: 5px;
}
.md-body pre {
  background: #0f131a; padding: 12px; border-radius: 10px; overflow-x: auto;
  border: 1px solid var(--border);
}
.md-body blockquote {
  margin: 12px 0; padding: 8px 14px;
  border-left: 3px solid var(--accent); background: #161c28; color: #c9d3e4;
}
.md-body a { word-break: break-all; }
.md-body hr { border: 0; border-top: 1px solid var(--border); margin: 24px 0; }
.foot {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  color: var(--muted); font-size: .8rem; padding: 16px 0 28px;
  border-top: 1px solid var(--border); margin-top: 8px;
}

.btn.accent-pulse {
  border-color: var(--accent2);
  color: var(--accent2);
  box-shadow: 0 0 0 1px rgba(61,214,140,.25);
}

/* —— 链分类页签 —— */
.chain-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 4px;
  padding: 4px 0;
}
.chain-tab {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  font: inherit;
  font-weight: 650;
  font-size: .9rem;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s, box-shadow .15s;
}
.chain-tab:hover {
  color: var(--text);
  border-color: #3a4660;
}
.chain-tab.active {
  color: #061018;
  border-color: transparent;
  box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 4px 14px rgba(0,0,0,.25);
}
/* 全部 */
.chain-tab[data-chain=""].active {
  background: var(--accent);
  color: #061018;
}
/* 链色：页签激活 + 卡片徽章 */
.chain-bsc, .chain-tab.chain-bsc.active {
  background: #f5c542;
  color: #1a1400;
  border-color: #f5c542;
}
.chain-tab.chain-bsc:not(.active) {
  color: #f5c542;
  border-color: rgba(245,197,66,.45);
  background: rgba(245,197,66,.08);
}
.chain-sol, .chain-tab.chain-sol.active {
  background: #a78bfa;
  color: #12081f;
  border-color: #a78bfa;
}
.chain-tab.chain-sol:not(.active) {
  color: #c4b5fd;
  border-color: rgba(167,139,250,.45);
  background: rgba(167,139,250,.08);
}
.chain-robinhood, .chain-tab.chain-robinhood.active {
  background: #86efac;
  color: #052e16;
  border-color: #86efac;
}
.chain-tab.chain-robinhood:not(.active) {
  color: #86efac;
  border-color: rgba(134,239,172,.45);
  background: rgba(134,239,172,.08);
}
.chain-base, .chain-tab.chain-base.active {
  background: #3b82f6;
  color: #061018;
  border-color: #3b82f6;
}
.chain-tab.chain-base:not(.active) {
  color: #60a5fa;
  border-color: rgba(59,130,246,.45);
  background: rgba(59,130,246,.08);
}

.chain-xlayer, .chain-tab.chain-xlayer.active {
  background: #f97316;
  color: #1a0a00;
  border-color: #f97316;
}
.chain-tab.chain-xlayer:not(.active) {
  color: #fb923c;
  border-color: rgba(249,115,22,.45);
  background: rgba(249,115,22,.08);
}
.chain-eth, .chain-tab.chain-eth.active {
  background: #7dd3fc;
  color: #0c1a24;
  border-color: #7dd3fc;
}
.chain-tab.chain-eth:not(.active) {
  color: #7dd3fc;
  border-color: rgba(125,211,252,.45);
  background: rgba(125,211,252,.08);
}
.chip.chain-bsc, .chip.chain-sol, .chip.chain-robinhood, .chip.chain-base, .chip.chain-xlayer, .chip.chain-eth {
  text-transform: none;
  letter-spacing: .02em;
  font-weight: 700;
}
.chain-select-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0,0,0,0) !important;
  border: 0 !important;
}
.toolbar {
  grid-template-columns: 1fr auto;
}
@media (max-width: 720px) {
  .toolbar { grid-template-columns: 1fr; }
}

.chain-hint {
  margin: 0 0 10px;
  font-size: .82rem;
  color: var(--muted);
}
.chain-tab {
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.chain-tab:active {
  transform: scale(0.98);
}