:root {
  --bg: #0d0f12;
  --card: #15181d;
  --line: #262b33;
  --fg: #e8eaed;
  --muted: #8b929c;
  --accent: #4ade80;
  --accent-dim: #1f3a2a;
  --danger: #f87171;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}
.top {
  padding: 32px 20px 20px;
  text-align: center;
  border-bottom: 1px solid var(--line);
}
.brand { font-size: 34px; font-weight: 800; letter-spacing: 2px; }
.brand .dot { color: var(--accent); }
.tagline { color: var(--muted); font-size: 13px; margin-top: 6px; }

#app { max-width: 560px; margin: 0 auto; padding: 20px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 16px;
}
.card.slim, .card.neutral { padding: 16px 20px; }
h2 { margin: 0 0 16px; font-size: 18px; }
h3 { margin: 0 0 10px; font-size: 14px; color: var(--muted); font-weight: 600; }
.hidden { display: none; }

.field { margin-bottom: 16px; }
.field > label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
input[type=number], input[type=text] {
  width: 100%;
  background: #0d0f12;
  border: 1px solid var(--line);
  color: var(--fg);
  border-radius: 9px;
  padding: 12px 14px;
  font-size: 15px;
  font-family: var(--mono);
}
input:focus { outline: none; border-color: var(--accent); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip, .chk {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 14px;
  cursor: pointer;
  user-select: none;
  background: #0d0f12;
}
.chip.active { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.chip[aria-checked="true"] { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
/* 键盘焦点可见（无障碍） */
.chip:focus-visible, .opt-btn:focus-visible, button:focus-visible,
input:focus-visible, select:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}
.chk { display: inline-flex; align-items: center; gap: 6px; }
.chk input { accent-color: var(--accent); }

button {
  font-size: 15px; border-radius: 10px; cursor: pointer; border: none;
  padding: 13px 18px; width: 100%; margin-top: 8px; font-weight: 600;
}
button.primary { background: var(--accent); color: #07120b; }
button.primary:active { transform: translateY(1px); }
button.ghost { background: transparent; border: 1px solid var(--line); color: var(--muted); }
button:disabled { opacity: .5; cursor: not-allowed; }

.msg { font-size: 13px; margin: 10px 0 0; min-height: 18px; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--accent); }

.paywall { color: var(--muted); margin: 0 0 12px; }
.quote-line { font-size: 15px; margin: 8px 0; }
.quote-line b, .v-total b { color: var(--accent); font-family: var(--mono); font-size: 20px; }
.hint { font-size: 13px; color: var(--muted); }

.verdict-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.vid { font-family: var(--mono); font-size: 20px; font-weight: 700; color: var(--accent); }
.v-sub { font-size: 13px; color: var(--muted); margin-top: 2px; }
.v-total { text-align: right; font-size: 13px; color: var(--muted); white-space: nowrap; }
.compat {
  margin: 14px 0; padding: 8px 12px; border-radius: 8px;
  background: var(--accent-dim); color: var(--accent); font-size: 13px;
}
.value-note {
  margin: 0 0 14px; padding: 10px 12px; border-radius: 8px;
  background: #fff7e6; color: #ad6800; font-size: 13px; line-height: 1.5;
  border: 1px solid #ffe7ba;
}
.perf {
  margin: 0 0 14px; padding: 14px; border-radius: 10px;
  background: linear-gradient(160deg, #10231b, #0d0f12); border: 1px solid var(--accent-dim);
}
.perf h3 { color: var(--accent); font-size: 14px; margin: 0 0 10px; }
.perf-head { font-size: 14px; color: var(--fg); font-weight: 600; margin-bottom: 12px; line-height: 1.5; }
.perf-grid { display: flex; gap: 8px; margin-bottom: 14px; }
.perf-res {
  flex: 1; display: flex; flex-direction: column; gap: 3px; align-items: center;
  padding: 10px 6px; border-radius: 8px; background: #0d0f12; border: 1px solid var(--line);
}
.perf-r { font-size: 12px; color: var(--muted); }
.perf-fps { font-family: var(--mono); font-size: 17px; font-weight: 700; color: var(--accent); }
.perf-tier { font-size: 11px; color: var(--muted); text-align: center; line-height: 1.3; }
.perf-bal-top { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.perf-bal-top b { color: var(--fg); }
.perf-bar { height: 6px; border-radius: 3px; background: var(--line); overflow: hidden; }
.perf-bar i { display: block; height: 100%; background: var(--accent); }
.perf-note { font-size: 12px; color: var(--muted); margin-top: 6px; line-height: 1.5; }
.perf-disc { font-size: 11px; color: #5f6772; margin-top: 10px; }
.opt-toggle { display: flex; gap: 8px; margin: 0 0 14px; }
.opt-btn {
  flex: 1; padding: 10px 12px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--line); background: transparent; color: var(--muted);
  font-size: 13px; text-align: center; transition: all .15s;
}
.opt-btn.active { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); font-weight: 600; }
.opt-btn .opt-price { display: block; font-size: 12px; opacity: .85; margin-top: 2px; }
.target-note {
  margin: 0 0 14px; padding: 10px 12px; border-radius: 8px;
  background: #e6f7ff; color: #0958d9; font-size: 13px; line-height: 1.6;
  border: 1px solid #91caff;
}
.target-note .src { color: #69789c; font-size: 12px; }
.game-specific { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); }
.game-specific .sub { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
#game-select {
  width: 100%; padding: 9px 10px; border-radius: 8px; border: 1px solid var(--line);
  background: transparent; color: inherit; font-size: 14px;
}
#tier-toggle { margin-top: 8px; }
.sub-note { margin: 8px 0 0; font-size: 12px; color: var(--accent); line-height: 1.5; }
.items { margin: 8px 0 4px; }
.item { border-top: 1px solid var(--line); padding: 12px 0; }
.item:first-child { border-top: none; }
.item-top { display: flex; justify-content: space-between; gap: 10px; }
.item-cat { font-size: 12px; color: var(--muted); }
.item-model { font-weight: 600; }
.item-price { font-family: var(--mono); color: var(--fg); white-space: nowrap; }
.item-reason { font-size: 13px; color: var(--muted); margin-top: 4px; }
.signals { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 6px; }
.sig { font-size: 11px; color: var(--muted); border: 1px solid var(--line); border-radius: 5px; padding: 1px 7px; }
.buy-links { margin-top: 8px; display: flex; gap: 8px; }
.buy-links a {
  font-size: 12px; color: var(--accent); text-decoration: none;
  border: 1px solid var(--accent-dim); border-radius: 6px; padding: 4px 10px;
}
.buy-tip { font-size: 12px; color: var(--muted); margin: 4px 0 0; }
.note { font-size: 12px; color: var(--muted); margin-top: 12px; }
#poster-out { margin-top: 12px; }
#poster-out img { width: 100%; border-radius: 12px; border: 1px solid var(--line); display: block; }
.btn-like { display: block; text-align: center; text-decoration: none; padding: 13px 18px; border-radius: 10px; margin-top: 8px; border: 1px solid var(--line); color: var(--muted); }
.safety {
  margin-top: 16px; padding: 16px; border-radius: 10px;
  background: #0d0f12; border: 1px solid var(--line);
}
.safety h3 { color: var(--accent); font-size: 14px; margin: 0 0 12px; }
.safety-sec { margin-bottom: 12px; }
.safety-sec:last-child { margin-bottom: 0; }
.safety-h { font-size: 12px; color: var(--fg); font-weight: 600; margin-bottom: 6px; }
.safety-sec ul { margin: 0; padding-left: 18px; }
.safety-sec li { font-size: 12px; color: var(--muted); margin-bottom: 5px; line-height: 1.6; }
.safety-sec li b { color: var(--fg); }
.safety-sec.trust li { color: #8fd6a8; }
.row { display: flex; gap: 8px; }
.row input { flex: 1; }
.row button { width: auto; margin-top: 0; }
.neutral ul { margin: 0; padding-left: 18px; font-size: 13px; color: var(--muted); }
.neutral li { margin-bottom: 6px; }
.neutral b { color: var(--fg); }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 24px 20px 40px; }