/* FixCrate — Mux design system
   Olive canvas #e2e4dd, white cards, no shadows. Depth from surface contrast only.
   Accents: Ember Orange #ff6100 (filled CTA / active state only),
   Amber #ffb200 (hairlines, badges, underlines), Signal Blue #0091ff (inline links only).
   No green anywhere. */
:root {
  --olive: #e2e4dd;
  --snow: #ffffff;
  --ink: #000000;
  --forge: #242628;
  --mist: #f4f6f4;
  --linen: #d0d2c8;
  --steel: #828c97;
  --pewter: #adb9c6;
  --graphite: #565e67;
  --ember: #ff6100;
  --amber: #ffb200;
  --blue: #0091ff;
  --dark-line: #3a3d40;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background-color: var(--olive);
  background-image:
    linear-gradient(var(--linen) 1px, transparent 1px),
    linear-gradient(90deg, var(--linen) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: .02em;
  font-weight: 400;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 50px; line-height: 1.15; letter-spacing: .02em; font-weight: 800; margin: 0 0 16px; }
h2 { font-size: 24px; line-height: 1.2; letter-spacing: .02em; font-weight: 700; margin: 0 0 12px; }
h3 { font-size: 21px; line-height: 1.4; letter-spacing: .02em; font-weight: 700; margin: 0 0 8px; }
p { margin: 8px 0 16px; }
.wrap { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
main.wrap { padding-bottom: 64px; }
main.wrap.tool { max-width: 760px; }

/* Header */
header.site { background: var(--snow); border-bottom: 1px solid var(--linen); }
header.site .bar { max-width: 1200px; margin: 0 auto; padding: 16px 24px; display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; font-size: 22px; color: var(--ink); letter-spacing: .01em; }
.brand .wm-crate { color: var(--ember); }
.brand:hover { text-decoration: none; }
.brand .mark { width: 36px; height: 36px; display: block; flex: none; transform: translateY(-1px); }
nav.main { display: flex; gap: 24px; flex-wrap: wrap; font-size: 16px; }
nav.main a { color: var(--ink); }
nav.main a:hover { text-decoration: underline; text-decoration-color: var(--amber); text-decoration-thickness: 2px; text-underline-offset: 4px; }

/* Hero: centered stack directly on the olive canvas */
.hero { text-align: center; padding: 32px 0 40px; }
.hero-hub { padding: 64px 0 56px; }
.hero-fox { display: block; width: 96px; height: 96px; margin: 0 auto 20px; }
.hero .tag { margin: 0 0 20px; }
.hero .lede { font-size: 18px; line-height: 1.5; color: var(--ink); max-width: 640px; margin: 0 auto; }

/* Yellow mono badge */
.badge {
  display: inline-block; background: var(--amber); color: var(--ink);
  font-family: var(--font-mono); font-size: 12px; line-height: 1.5; letter-spacing: .02em;
  text-transform: uppercase; padding: 4px 12px; border-radius: 9999px;
}
.badges { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 20px; }

/* Hub cards */
.cards { display: grid; grid-template-columns: 1fr 1fr; grid-auto-rows: 1fr; gap: 28px; margin: 0 0 64px; }
.card { display: block; background: var(--snow); border: 1px solid var(--linen); border-radius: 28px; padding: 32px; color: var(--ink); transition: border-color .18s ease; }
.card:hover { text-decoration: none; border-color: var(--ink); }
.card .badge { margin-bottom: 14px; }
.card h2 { margin: 0 0 8px; font-size: 21px; }
.card p { margin: 0; color: var(--graphite); }

/* Hub card icons: 40px, one color per tool, one simple motion each (Mux: restrained, geometric) */
.card-head { display: flex; align-items: center; gap: 12px; margin: 0 0 8px; }
.card-head .ico { flex: none; width: 40px; height: 40px; margin: 0; }
.card-head h2 { margin: 0; }
.ico-blue .bar { transform-box: fill-box; transform-origin: 50% 100%; animation: barPulse 3s ease-in-out infinite; }
.ico-blue .bar2 { animation-delay: .25s; }
.ico-blue .bar3 { animation-delay: .5s; }
@keyframes barPulse { 0%, 100% { transform: scaleY(1); } 50% { transform: scaleY(.72); } }
.ico-orange .hand { transform-box: view-box; transform-origin: 24px 24px; animation: spinSlow 8s linear infinite; }
.ico-green .item { transform-box: fill-box; animation: lineSlide 4s linear infinite; }
@keyframes lineSlide { 0% { transform: translateX(-13px); opacity: 0; } 8% { opacity: 1; } 88% { opacity: 1; } 100% { transform: translateX(37px); opacity: 0; } }
@keyframes spinSlow { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .card .ico * { animation: none !important; }
}


/* Hub explainer */
.narrow { max-width: 760px; margin: 0 auto; }

/* Tool panel */
.panel { background: var(--snow); border: 1px solid var(--linen); border-radius: 28px; padding: 32px; margin: 0 0 28px; }
.panel h2 { margin-top: 0; }
fieldset { border: 1px solid var(--linen); border-radius: 14px; padding: 20px 20px 8px; margin: 0 0 20px; }
legend { font-family: var(--font-mono); font-size: 12px; letter-spacing: .02em; text-transform: uppercase; color: var(--graphite); padding: 0 8px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-family: var(--font-mono); font-size: 12px; letter-spacing: .02em; text-transform: uppercase; color: var(--graphite); margin-bottom: 6px; }
.field .hint { font-family: var(--font-body); font-size: 14px; color: var(--steel); text-transform: none; }
input[type="number"], input[type="text"], select {
  width: 100%; padding: 12px 14px; font-size: 16px; font-family: inherit; letter-spacing: .02em;
  border: 1px solid var(--linen); border-radius: 14px; background: var(--mist); color: var(--ink);
}
/* Custom select chevron, set inside the box (16px from the right edge) with
   enough right padding that the label never touches it. */
select {
  -webkit-appearance: none; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23565e67' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}
input[type="number"]:focus, input[type="text"]:focus, select:focus { outline: 2px solid var(--ink); outline-offset: 2px; border-color: var(--ink); }
input[type="range"] { width: 100%; accent-color: var(--ember); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.toggle { display: flex; width: 100%; border-radius: 112px; overflow: hidden; }
.toggle button {
  flex: 1; padding: 10px 20px; font-size: 16px; font-family: inherit; letter-spacing: .02em; cursor: pointer;
  border: none; background: var(--graphite); color: #fff;
}
.toggle button[aria-pressed="true"] { background: var(--ember); font-weight: 700; }

/* Primary CTA: Ember Orange pill. Ghost: transparent pill, black border. */
button.primary, a.primary {
  display: inline-block; padding: 14px 28px; font-size: 16px; font-family: inherit; letter-spacing: .02em;
  color: #fff; background: var(--ember); border: none; border-radius: 112px; cursor: pointer; text-decoration: none;
}
button.primary:hover, a.primary:hover { filter: brightness(.92); text-decoration: none; }
button.secondary, a.secondary {
  display: inline-block; padding: 14px 28px; font-size: 16px; font-family: inherit; letter-spacing: .02em;
  color: var(--ink); background: transparent; border: 1px solid var(--ink); border-radius: 112px; cursor: pointer; text-decoration: none;
}
button.secondary:hover, a.secondary:hover { text-decoration: none; border-color: var(--amber); }

/* Results: dark Forge panel */
.results { background: var(--forge); border-radius: 28px; padding: 32px; margin: 0 0 28px; color: #fff; }
.results h2 { color: #fff; margin-top: 0; }
.results p { color: #fff; }
.verdict { font-size: 18px; font-weight: 700; margin: 8px 0 16px; }
.verdict .win { color: var(--amber); }
.verdict #rateOut { color: var(--amber); }
table.compare { width: 100%; border-collapse: collapse; font-size: 16px; font-variant-numeric: tabular-nums; }
table.compare th, table.compare td { padding: 10px 6px; text-align: right; border-bottom: 1px solid var(--dark-line); color: #fff; }
table.compare th:first-child, table.compare td:first-child { text-align: left; color: var(--steel); }
table.compare th { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .02em; color: var(--steel); font-weight: 400; }
table.compare tr.total td { font-weight: 700; border-bottom: none; border-top: 2px solid var(--amber); }
table.compare tr.net td { font-weight: 700; }
.results #breakeven, .results #workload { color: var(--pewter); font-size: 14px; }
.results .steps { background: transparent; border: none; padding: 0; margin: 0 0 16px; color: #fff; }
.results .steps ol { padding-left: 22px; margin: 0; }
.results .steps li { margin: 8px 0; }
.results .steps .amt { color: var(--amber); font-weight: 700; }

/* Explainer sections: 2px amber underline under the heading */
.explain { margin: 64px 0 0; }
.explain h2 { display: inline-block; border-bottom: 2px solid var(--amber); padding-bottom: 6px; margin: 48px 0 16px; }
.explain h2:first-child { margin-top: 0; }
.facts { list-style: none; padding: 0; margin: 0 0 16px; }
.facts li { position: relative; padding-left: 20px; margin: 10px 0; }
.facts li::before { content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px; background: var(--amber); border-radius: 2px; }

/* Worked example: collapsed by default, ghost pill summary */
details.worked { margin: 16px 0; }
details.worked summary {
  display: inline-block; padding: 14px 28px; font-size: 16px; font-family: inherit; letter-spacing: .02em;
  color: var(--ink); background: transparent; border: 1px solid var(--ink); border-radius: 112px; cursor: pointer; list-style: none;
}
details.worked summary::-webkit-details-marker { display: none; }
details.worked summary:hover { border-color: var(--amber); }
details.worked[open ] summary { margin-bottom: 16px; }

/* Steps card (inside worked example) */
.steps { background: var(--snow); border: 1px solid var(--linen); border-radius: 28px; padding: 8px 28px 20px; margin: 16px 0; }
.steps h3 { margin-top: 16px; }
.steps ol { padding-left: 22px; }
.steps li { margin: 8px 0; }
.steps .amt { font-weight: 700; color: var(--ink); }

/* Drop zone + file list */
.dropzone {
  border: 2px dashed var(--linen); border-radius: 14px; padding: 32px 16px; text-align: center;
  color: var(--graphite); background: var(--mist); cursor: pointer; margin: 0 0 20px;
}
.dropzone.drag { border-color: var(--amber); color: var(--ink); }
.dropzone strong { color: var(--ink); }
.filelist { list-style: none; padding: 0; margin: 16px 0; }
.limit-notice { background: var(--mist); border: 1px solid var(--linen); border-radius: 14px; padding: 12px 16px; font-size: 14px; margin: 0 0 12px; }
.filelist li { background: var(--snow); border: 1px solid var(--linen); border-radius: 14px; padding: 16px; margin-bottom: 12px; }
.filelist .fname { font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.filelist .fthumb { display: block; max-height: 160px; width: auto; max-width: 100%; border-radius: 8px; margin: 10px 0; }
.filelist .fmeta { color: var(--graphite); font-size: 14px; font-family: var(--font-mono); margin: 4px 0 10px; }
.filelist .ferr { color: var(--ink); font-size: 14px; font-weight: 700; }
.slider-row { display: flex; align-items: center; gap: 14px; }
.slider-row output { font-weight: 700; min-width: 3.5rem; text-align: right; font-variant-numeric: tabular-nums; }

/* Disclaimer + footer */
.disclaimer { font-size: 14px; color: var(--steel); border-top: 1px solid var(--linen); margin-top: 32px; padding-top: 16px; }
footer.site { background: var(--forge); margin-top: 64px; padding: 40px 0; color: var(--steel); font-size: 14px; }
footer.site .wrap { padding-top: 0; padding-bottom: 0; }
footer.site nav { display: flex; gap: 24px; flex-wrap: wrap; margin-bottom: 12px; }
footer.site nav a { color: #fff; }
footer.site nav a:hover { text-decoration: underline; text-decoration-color: var(--amber); text-decoration-thickness: 2px; text-underline-offset: 4px; }
footer.site p { margin: 0; color: var(--steel); }

/* Mobile */
@media (max-width: 700px) {
  h1 { font-size: 36px; }
  .hero { padding: 24px 0 32px; }
  .hero-hub { padding: 48px 0 40px; }
  .hero-fox { width: 72px; height: 72px; margin-bottom: 16px; }
  .cards { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .row, .row3 { grid-template-columns: 1fr; }
  .panel { padding: 24px; }
  .results { padding: 24px; }
  table.compare { font-size: 14px; }
  table.compare th, table.compare td { padding: 8px 4px; }
}

/* Language switcher (i18n): globe-button dropdown, FunWonder-style.
   One pill button in the header bar; the menu is a white card, no shadow.
   Hidden for launch (2026-11-11 Rudy: 多语言先隐藏) — remove display:none to restore. */
.lang-menu { display: none; margin-left: auto; position: relative; }
.lang-btn { display: inline-flex; align-items: center; gap: 6px; background: #fff; border: 1px solid var(--linen); border-radius: 112px; padding: 8px 14px; font-family: inherit; font-size: 14px; color: var(--ink); cursor: pointer; }
.lang-btn:hover { background: var(--mist); }
.lang-btn svg { flex: none; }
.lang-btn .chev { transition: transform .15s ease; }
.lang-btn[aria-expanded="true"] .chev { transform: rotate(180deg); }
.lang-list { position: absolute; right: 0; top: calc(100% + 8px); background: #fff; border: 1px solid var(--linen); border-radius: 14px; padding: 6px; min-width: 180px; max-width: calc(100vw - 32px); z-index: 100; }
.lang-list a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--ink); text-decoration: none; font-size: 14px; }
.lang-list a:hover { background: var(--mist); }
.lang-list a.active { font-weight: 700; }
.lang-list a.active::after { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--amber); margin-left: 8px; vertical-align: middle; }