:root {
  --bg: #060c14;
  --bg2: #0a141f;
  --panel: #0c1826;
  --panel2: #0e1d30;
  --line: #1c3247;
  --line2: #27455f;
  --ink: #e9f2f9;
  --muted: #8ba3b8;
  --dim: #5d7488;
  --cyan: #3fd6f2;
  --cyan-dim: #1e7d94;
  --gold: #f2a93b;
  --gold-deep: #8a5f14;
  --gold-fill: #2a1f08;
  --bad: #ff7a6e;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(63, 150, 200, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63, 150, 200, .055) 1px, transparent 1px),
    linear-gradient(180deg, #081120 0%, var(--bg) 340px);
  background-size: 44px 44px, 44px 44px, 100% 100%;
  background-color: var(--bg);
  font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  line-height: 1.6;
}
.wrap { max-width: 980px; margin: 0 auto; padding: 0 14px; }
a { color: var(--cyan); }
h1, h2, h3 { line-height: 1.3; }

/* ===== status strip + tabs ===== */
.site-head { padding-top: 10px; }
.strip {
  display: flex; border: 1px solid var(--line); background: rgba(10, 22, 36, .88);
  font-family: var(--mono); font-size: 13px; letter-spacing: .14em;
}
.strip > span { padding: 9px 12px; display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.strip > span + span { border-left: 1px solid var(--line); }
.strip .live { color: var(--cyan); font-weight: 700; }
.strip .live i {
  width: 8px; height: 8px; background: var(--cyan); display: inline-block;
  animation: blink 1.6s steps(2, start) infinite;
}
@keyframes blink { to { visibility: hidden; } }
.strip .clock { color: var(--cyan); }
.strip .count { color: var(--muted); margin-left: auto; letter-spacing: .08em; }
.strip .mode { color: var(--gold); font-family: "Songti TC", "Noto Serif TC", serif; font-weight: 700; letter-spacing: .3em; }
.tabs { display: flex; border: 1px solid var(--line); border-top: none; background: rgba(10, 22, 36, .88); }
.tabs a {
  flex: 1; text-align: center; padding: 11px 6px; color: var(--muted);
  text-decoration: none; font-size: 16px; font-weight: 700; letter-spacing: .12em;
}
.tabs a + a { border-left: 1px solid var(--line); }
.tabs a.on { color: var(--gold); background: linear-gradient(180deg, #33270d, #241b07); }

/* ===== hero ===== */
.hero { position: relative; padding: 30px 2px 8px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; left: 0; top: 34px; bottom: 14px; width: 3px; background: var(--gold);
}
.hero-in { padding-left: 16px; }
.eyebrow {
  font-family: var(--mono); color: var(--cyan); font-size: 14px; font-weight: 700;
  letter-spacing: .5em; margin: 0 0 6px;
}
.hero h1 { font-size: 40px; font-weight: 900; margin: 0 0 6px; letter-spacing: .02em; }
.hero .sub {
  font-family: var(--mono); color: var(--muted); font-size: 13px; letter-spacing: .34em; margin: 0 0 12px;
}
.hero .lede { color: var(--muted); font-size: 14px; margin: 0; max-width: 560px; }
.radar { position: absolute; right: -6px; top: 16px; width: 118px; height: 118px; opacity: .9; pointer-events: none; }

/* ===== NL quick bar ===== */
.nlbar { display: flex; gap: 0; margin: 16px 0 4px; border: 1px solid var(--line2); background: rgba(10, 22, 36, .9); }
.nlbar input {
  flex: 1; min-width: 0; background: transparent; border: none; color: var(--ink);
  font-size: 16px; padding: 13px 14px;
}
.nlbar input::placeholder { color: var(--dim); }
.nlbar input:focus { outline: none; }
.nlbar button {
  flex: none; margin: 6px; padding: 8px 22px; cursor: pointer;
  background: var(--gold-fill); color: var(--gold); border: 1px solid var(--gold);
  font-size: 16px; font-weight: 700; letter-spacing: .2em; border-radius: 4px;
}
.nlbar button:active { background: #3d2c0a; }

/* ===== form ===== */
.calc-form { margin: 14px 0 26px; border: 1px solid var(--line); background: rgba(11, 23, 38, .92); padding: 6px 16px 18px; }
.fsec { padding: 14px 0 4px; }
.fsec + .fsec { border-top: 1px solid rgba(28, 50, 71, .6); }
.fsec h3 {
  margin: 0 0 12px; font-size: 17px; font-weight: 700; letter-spacing: .1em; color: var(--ink);
}
.fsec h3 b { font-family: var(--mono); color: var(--cyan); font-weight: 700; margin-right: 8px; letter-spacing: 0; }
.amount-row { display: flex; gap: 10px; }
.seg { display: flex; flex: none; border: 1px solid var(--line2); }
.seg label { cursor: pointer; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span {
  display: block; padding: 12px 16px; font-family: var(--mono); font-size: 16px; font-weight: 700;
  color: var(--muted); letter-spacing: .04em;
}
.seg label + label span { border-left: 1px solid var(--line2); }
.seg input:checked + span { color: var(--gold); background: var(--gold-fill); }
.seg input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: -2px; }
.amount-box { flex: 1; min-width: 0; }
.amount-box input {
  width: 100%; background: #050a11; border: 1px solid var(--line2); color: #fff;
  font-family: var(--mono); font-size: 30px; font-weight: 700; text-align: right;
  padding: 6px 14px; letter-spacing: .04em;
}
.amount-box input:focus { outline: 2px solid var(--cyan-dim); }
input[type="range"].amt-range {
  width: 100%; margin: 12px 0 2px; appearance: none; -webkit-appearance: none; height: 26px; background:
    repeating-linear-gradient(90deg, var(--line2) 0 1px, transparent 1px 8.333%) bottom / 100% 9px no-repeat,
    linear-gradient(var(--line2), var(--line2)) center / 100% 2px no-repeat;
  cursor: pointer;
}
input[type="range"].amt-range::-webkit-slider-thumb {
  -webkit-appearance: none; width: 6px; height: 22px; background: var(--gold); border: none; border-radius: 2px;
}
input[type="range"].amt-range::-moz-range-thumb { width: 6px; height: 22px; background: var(--gold); border: none; border-radius: 2px; }
.chips { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; }
.chips.five { grid-template-columns: repeat(5, 1fr); }
.chips.two { grid-template-columns: repeat(2, 1fr); }
.chip { cursor: pointer; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: block; text-align: center; padding: 11px 2px; font-size: 16px; font-weight: 700;
  color: var(--ink); background: rgba(16, 32, 50, .85); border: 1px solid var(--line); letter-spacing: .06em;
}
.chip input:checked + span { color: var(--gold); border-color: var(--gold); background: var(--gold-fill); }
.chip input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: 1px; }
.textin {
  width: 100%; background: #050a11; border: 1px solid var(--line2); color: var(--ink);
  font-size: 16px; padding: 11px 13px;
}
.textin::placeholder { color: var(--dim); }
.textin:focus { outline: 2px solid var(--cyan-dim); }
.fx-row { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.fx-row label { color: var(--muted); font-size: 13px; font-family: var(--mono); letter-spacing: .06em; }
.fx-row input {
  width: 110px; background: #050a11; border: 1px solid var(--line2); color: var(--ink);
  font-family: var(--mono); font-size: 16px; padding: 7px 10px;
}
.hint { font-size: 13px; color: var(--muted); margin: 12px 0 0; }
.go {
  width: 100%; margin-top: 16px; padding: 15px; cursor: pointer;
  background: linear-gradient(180deg, #f7b955, #e89b2e); color: #23180a; border: none;
  font-size: 18px; font-weight: 900; letter-spacing: .3em; text-indent: .3em;
}
.go:active { filter: brightness(.92); }

/* ===== results ===== */
.results h2 { font-size: 20px; margin: 0 0 4px; letter-spacing: .06em; }
.results h2 small { font-size: 12px; color: var(--muted); font-family: var(--mono); letter-spacing: .1em; margin-left: 8px; }
.results .rsub { color: var(--dim); font-family: var(--mono); font-size: 12px; letter-spacing: .18em; margin: 0 0 14px; }
.rank-list { list-style: none; margin: 0; padding: 0; }
.rank-row {
  background: linear-gradient(180deg, var(--panel2), var(--panel));
  border: 1px solid var(--line); padding: 13px 14px; margin-bottom: 9px;
}
.rank-row.top { border-color: var(--line2); }
.rank-row.first { border-color: var(--gold-deep); box-shadow: 0 0 0 1px rgba(242, 169, 59, .35), 0 0 22px rgba(242, 169, 59, .08); }
.rank-main { display: flex; align-items: flex-start; gap: 11px; }
.rank-no {
  flex: none; font-family: var(--mono); font-size: 17px; font-weight: 700; color: var(--cyan);
  min-width: 30px; padding-top: 1px; letter-spacing: -.02em;
}
.rank-row.top .rank-no { color: var(--gold); font-size: 20px; }
.rank-card { flex: 1; min-width: 0; }
.card-name { display: block; font-weight: 700; font-size: 16px; }
.rank-row.first .card-name { font-size: 18px; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 7px; }
.card-sub { display: block; font-size: 12px; color: var(--muted); }
.card-rule { display: block; font-size: 13px; color: #c8dcec; margin-top: 2px; }
.rank-net { flex: none; text-align: right; }
.rank-net strong { display: block; font-family: var(--mono); font-size: 20px; color: #fff; white-space: nowrap; letter-spacing: -.01em; }
.rank-row.first .rank-net strong { color: var(--gold); font-size: 23px; }
.rank-net small { font-size: 12px; color: var(--muted); white-space: nowrap; font-family: var(--mono); }
.badge {
  display: inline-block; font-size: 11px; padding: 1px 7px; border: 1px solid;
  margin: 5px 5px 0 0; vertical-align: middle; white-space: nowrap; letter-spacing: .06em;
}
.badge.cond { color: var(--gold); border-color: var(--gold-deep); background: rgba(242, 169, 59, .08); }
.badge.reg { color: #ffb35c; border-color: #7a4d16; background: rgba(255, 179, 92, .07); }
.badge.cap { color: var(--cyan); border-color: var(--cyan-dim); background: rgba(63, 214, 242, .07); }
.badge.warn { color: var(--bad); border-color: #7c352f; background: rgba(255, 122, 110, .07); }
.breakdown { margin-top: 9px; border-top: 1px dashed rgba(39, 69, 95, .7); padding-top: 8px; }
.breakdown summary { cursor: pointer; font-size: 13px; color: var(--cyan); letter-spacing: .08em; }
.breakdown ul { margin: 8px 0 2px; padding-left: 18px; font-size: 13px; color: var(--muted); font-family: var(--mono); }
.breakdown li { margin: 3px 0; overflow-wrap: anywhere; }

/* ===== disclaimer ===== */
.disclaimer { border: 1px solid var(--line); background: rgba(11, 23, 38, .9); padding: 16px 18px; margin: 24px 0 34px; font-size: 14px; }
.disclaimer h2 { font-size: 16px; margin: 0 0 8px; letter-spacing: .14em; }
.disclaimer ul { margin: 0; padding-left: 18px; color: var(--muted); }

/* ===== catalog ===== */
.filter-box { display: block; margin-top: 16px; }
.filter-box input {
  width: 100%; padding: 12px 13px; font-size: 16px; color: var(--ink);
  background: #050a11; border: 1px solid var(--line2);
}
.filter-box input::placeholder { color: var(--dim); }
.filter-box input:focus { outline: 2px solid var(--cyan-dim); }
.catalog-group h2 { font-size: 19px; margin: 24px 0 12px; letter-spacing: .1em; }
.catalog-group h2::before { content: ""; display: inline-block; width: 8px; height: 8px; background: var(--cyan); margin-right: 9px; }
.card-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
.card-item { background: linear-gradient(180deg, var(--panel2), var(--panel)); border: 1px solid var(--line); padding: 14px 16px; }
.card-item h3 { margin: 0 0 6px; font-size: 17px; font-family: inherit; }
.ci-line { margin: 2px 0; font-size: 14px; color: #c8dcec; }
.ci-note { margin: 6px 0 2px; font-size: 13px; color: var(--muted); }
.ci-src { margin: 8px 0 0; font-size: 12px; color: var(--dim); }
.ci-src a { color: var(--cyan); }

/* ===== footer ===== */
.site-foot { border-top: 1px solid var(--line); margin-top: 12px; background: rgba(8, 17, 29, .92); }
.site-foot .wrap { padding-top: 18px; padding-bottom: 26px; }
.site-foot p { margin: 4px 0; font-size: 13px; color: var(--muted); }
.foot-brand { color: var(--ink); font-size: 15px; font-weight: 700; letter-spacing: .1em; }
.foot-brand .mono { font-family: var(--mono); color: var(--cyan); font-size: 12px; letter-spacing: .3em; display: block; font-weight: 400; margin-bottom: 2px; }

@media (min-width: 640px) {
  .hero h1 { font-size: 52px; }
  .radar { width: 150px; height: 150px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .go { width: auto; padding: 15px 56px; }
  .strip { font-size: 14px; }
}
@media (max-width: 400px) {
  .chips { gap: 7px; }
  .chip span { font-size: 15px; padding: 10px 1px; }
  .strip { font-size: 12px; }
  .strip > span { padding: 8px 7px; gap: 5px; }
  .strip .mode { letter-spacing: .16em; }
}