/* mcgs_convertor — HTML → MCGS 转换页（2026-11-12）
   使用站点 mtc-ui.css 的 --ui-* 令牌（浅色/深色自动），经典皮肤下用回退值。 */
.mc {
  --mc-bg: var(--ui-bg, #f6f7fb);
  --mc-surface: var(--ui-surface, #ffffff);
  --mc-surface-2: var(--ui-surface-2, #f3f5f9);
  --mc-surface-3: var(--ui-surface-3, #e9edf3);
  --mc-text: var(--ui-text, #0f172a);
  --mc-text-2: var(--ui-text-2, #334155);
  --mc-muted: var(--ui-muted, #64748b);
  --mc-border: var(--ui-border, #e2e8f0);
  --mc-border-strong: var(--ui-border-strong, #cbd5e1);
  --mc-primary: var(--ui-primary, #2563eb);
  --mc-primary-hover: var(--ui-primary-hover, #1d4ed8);
  --mc-primary-soft: var(--ui-primary-soft, rgba(37, 99, 235, .1));
  --mc-primary-text: var(--ui-primary-text, #fff);
  --mc-success: var(--ui-success, #16a34a);
  --mc-success-soft: var(--ui-success-soft, rgba(22, 163, 74, .12));
  --mc-warning: var(--ui-warning, #d97706);
  --mc-warning-soft: var(--ui-warning-soft, rgba(217, 119, 6, .12));
  --mc-danger: var(--ui-danger, #dc2626);
  --mc-danger-soft: var(--ui-danger-soft, rgba(220, 38, 38, .1));
  --mc-shadow: var(--ui-shadow, 0 1px 2px rgba(15, 23, 42, .06), 0 4px 16px rgba(15, 23, 42, .06));
  --mc-focus: var(--ui-focus, 0 0 0 3px rgba(37, 99, 235, .35));
  --mc-r: 14px;
  max-width: 1360px;
  margin: 0 auto;
  padding: 28px 20px 64px;
  color: var(--mc-text);
  font-size: 15px;
}
html:not([data-ui-lang]) .mc [data-l="en"] { display: none !important; }
html[data-ui-lang="zh"] .mc [data-l="en"], html[data-ui-lang="en"] .mc [data-l="zh"] { display: none !important; }
.mc *, .mc *::before, .mc *::after { box-sizing: border-box; }
.mc code, .mc pre { font-family: "JetBrains Mono", Consolas, "SFMono-Regular", monospace; }

/* hero */
.mc-hero { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; margin-bottom: 24px; }
.mc-eyebrow { display: inline-flex; gap: 8px; align-items: center; font-size: 13px; font-weight: 600; color: var(--mc-primary);
  background: var(--mc-primary-soft); padding: 4px 12px; border-radius: 999px; }
.mc-title { margin: 14px 0 8px; font-size: clamp(26px, 3.2vw, 38px); font-weight: 800; letter-spacing: -.02em; line-height: 1.15; color: var(--mc-text); }
.mc-title__sub { display: block; font-size: clamp(16px, 1.6vw, 20px); font-weight: 600; color: var(--mc-text-2); letter-spacing: 0; margin-top: 6px; }
.mc-lead { max-width: 760px; color: var(--mc-muted); line-height: 1.7; margin: 0 0 14px; }
.mc-lead b { color: var(--mc-text); }
.mc-badges { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; }
.mc-badges li { display: inline-flex; gap: 6px; align-items: center; font-size: 13px; color: var(--mc-text-2); border: 1px solid var(--mc-border);
  background: var(--mc-surface); padding: 5px 11px; border-radius: 999px; }
.mc-badges i { color: var(--mc-primary); }
.mc-lang { flex: none; display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--mc-border); background: var(--mc-surface);
  color: var(--mc-text); padding: 8px 14px; border-radius: 10px; font-weight: 600; cursor: pointer; box-shadow: var(--mc-shadow); }
.mc-lang:hover { border-color: var(--mc-primary); color: var(--mc-primary); }

/* layout */
.mc-grid { display: grid; grid-template-columns: minmax(340px, 420px) minmax(0, 1fr); gap: 20px; align-items: start; }
.mc-panel { background: var(--mc-surface); border: 1px solid var(--mc-border); border-radius: var(--mc-r); box-shadow: var(--mc-shadow); }
.mc-form { padding: 20px; position: sticky; top: 76px; }
.mc-step + .mc-step { margin-top: 22px; }
.mc-step__title { display: flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 700; margin: 0 0 12px; color: var(--mc-text); }
.mc-num { width: 24px; height: 24px; border-radius: 50%; display: inline-grid; place-items: center; font-size: 13px; background: var(--mc-primary); color: var(--mc-primary-text); }

/* drop zone */
.mc-drop { display: grid; justify-items: center; gap: 6px; padding: 26px 16px; border: 1.5px dashed var(--mc-border-strong); border-radius: 12px;
  background: var(--mc-surface-2); text-align: center; cursor: pointer; transition: border-color .15s, background .15s, transform .15s; margin: 0; }
.mc-drop:hover, .mc-drop:focus-visible { border-color: var(--mc-primary); outline: none; }
.mc-drop.is-over { border-color: var(--mc-primary); background: var(--mc-primary-soft); transform: scale(1.01); }
.mc-drop__icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; font-size: 26px; color: var(--mc-primary); background: var(--mc-primary-soft); }
.mc-drop__main { font-weight: 600; color: var(--mc-text); }
.mc-drop__main u { color: var(--mc-primary); text-underline-offset: 3px; }
.mc-drop__hint { font-size: 13px; color: var(--mc-muted); }
.mc-file { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--mc-border); border-radius: 12px; background: var(--mc-surface-2); }
.mc-file > i { font-size: 24px; color: var(--mc-primary); }
.mc-file__meta { flex: 1; min-width: 0; display: grid; }
.mc-file__meta b { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mc-file__meta small { color: var(--mc-muted); }
.mc-icon-btn { border: 0; background: transparent; color: var(--mc-muted); width: 32px; height: 32px; border-radius: 8px; cursor: pointer; }
.mc-icon-btn:hover { background: var(--mc-surface-3); color: var(--mc-text); }
.mc-examples { margin-top: 10px; font-size: 13px; color: var(--mc-muted); display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: center; }
.mc-examples a { color: var(--mc-primary); text-decoration: none; display: inline-flex; gap: 4px; align-items: center; }
.mc-examples a:hover { text-decoration: underline; }

/* panel cards */
.mc-panels { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.mc-pcard { position: relative; display: grid; gap: 8px; padding: 10px; border: 1.5px solid var(--mc-border); border-radius: 12px; cursor: pointer;
  background: var(--mc-surface); transition: border-color .15s, box-shadow .15s; margin: 0; }
.mc-pcard input { position: absolute; opacity: 0; pointer-events: none; }
.mc-pcard:hover { border-color: var(--mc-border-strong); }
.mc-pcard:has(input:checked) { border-color: var(--mc-primary); box-shadow: 0 0 0 3px var(--mc-primary-soft); }
.mc-pcard:has(input:focus-visible) { box-shadow: var(--mc-focus); }
.mc-pcard__screen { display: grid; place-items: center; height: 54px; }
.mc-pcard__screen span { aspect-ratio: var(--ar); height: 100%; max-width: 100%; border-radius: 5px; border: 3px solid #1e293b;
  background: linear-gradient(135deg, #1e3a8a, #0e7490); color: #e0f2fe; font-size: 11px; font-weight: 700; display: grid; place-items: center; }
.mc-pcard:has(input:checked) .mc-pcard__screen span { background: linear-gradient(135deg, var(--mc-primary), #06b6d4); }
.mc-pcard__name { font-size: 12.5px; font-weight: 600; color: var(--mc-text-2); text-align: center; line-height: 1.3; }
.mc-pcard__tag { position: absolute; top: 6px; right: 6px; font-size: 10.5px; font-weight: 700; color: var(--mc-success); background: var(--mc-success-soft); padding: 1px 7px; border-radius: 999px; }

/* advanced */
.mc-adv { margin-top: 18px; border: 1px solid var(--mc-border); border-radius: 12px; }
.mc-adv summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 8px; padding: 12px 14px; font-weight: 600; color: var(--mc-text-2); }
.mc-adv summary::-webkit-details-marker { display: none; }
.mc-adv__chev { margin-left: auto; transition: transform .2s; }
.mc-adv[open] .mc-adv__chev { transform: rotate(180deg); }
.mc-adv__body { padding: 4px 14px 14px; display: grid; gap: 14px; }
.mc-field__label { font-weight: 600; font-size: 13.5px; margin-bottom: 6px; display: grid; }
.mc-field__label small { font-weight: 400; color: var(--mc-muted); font-size: 12px; }
.mc-seg { display: inline-flex; flex-wrap: wrap; background: var(--mc-surface-3); padding: 3px; border-radius: 10px; gap: 2px; }
.mc-seg label { margin: 0; cursor: pointer; }
.mc-seg input { position: absolute; opacity: 0; pointer-events: none; }
.mc-seg span { display: inline-block; padding: 6px 12px; border-radius: 8px; font-size: 13px; font-weight: 600; color: var(--mc-muted); transition: background .15s, color .15s; }
.mc-seg input:checked + span, .mc-seg input:checked ~ span { background: var(--mc-surface); color: var(--mc-text); box-shadow: 0 1px 3px rgba(0, 0, 0, .12); }
.mc-seg input:focus-visible + span { box-shadow: var(--mc-focus); }
.mc-seg--sm span { padding: 4px 10px; font-size: 12.5px; }

/* go button */
.mc-go { margin-top: 20px; width: 100%; height: 52px; border: 0; border-radius: 12px; background: var(--mc-primary); color: var(--mc-primary-text);
  font-size: 16px; font-weight: 700; cursor: pointer; transition: background .15s, transform .05s, opacity .15s; position: relative; }
.mc-go:hover:not(:disabled) { background: var(--mc-primary-hover); }
.mc-go:active:not(:disabled) { transform: translateY(1px); }
.mc-go:disabled { opacity: .45; cursor: not-allowed; }
.mc-go__label, .mc-go__busy { display: inline-flex; gap: 10px; align-items: center; justify-content: center; }
.mc-go__busy { display: none; }
.mc-go.is-busy { opacity: 1; cursor: progress; }
.mc-go.is-busy .mc-go__label { display: none; }
.mc-go.is-busy .mc-go__busy { display: inline-flex; }
.mc-spin { width: 18px; height: 18px; border-radius: 50%; border: 2.5px solid rgba(255, 255, 255, .35); border-top-color: #fff; animation: mc-spin .8s linear infinite; }
@keyframes mc-spin { to { transform: rotate(360deg); } }
.mc-progress { list-style: none; display: flex; gap: 4px; padding: 0; margin: 12px 0 0; }
.mc-progress li { flex: 1; font-size: 11.5px; color: var(--mc-muted); text-align: center; padding-top: 8px; border-top: 3px solid var(--mc-surface-3); transition: border-color .3s, color .3s; }
.mc-progress li.is-done { border-color: var(--mc-success); color: var(--mc-text-2); }
.mc-progress li.is-active { border-color: var(--mc-primary); color: var(--mc-primary); font-weight: 600; }
.mc-alert { margin-top: 14px; padding: 12px 14px; border-radius: 10px; background: var(--mc-danger-soft); color: var(--mc-danger); font-size: 14px; line-height: 1.5; display: flex; gap: 8px; }

/* result */
.mc-result { padding: 20px; min-height: 560px; }
.mc-empty { height: 100%; min-height: 520px; display: grid; place-content: center; justify-items: center; text-align: center; gap: 8px; color: var(--mc-muted); }
.mc-empty h3 { margin: 18px 0 0; font-size: 18px; color: var(--mc-text); font-weight: 700; }
.mc-empty p { max-width: 420px; line-height: 1.6; margin: 0; }
.mc-device { width: 320px; padding: 12px; border-radius: 16px; background: #1e293b; box-shadow: 0 20px 40px -12px rgba(15, 23, 42, .45); }
.mc-device__screen { aspect-ratio: 1024 / 600; border-radius: 6px; background: #0f172a; padding: 10px; display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: 14px 1fr 22px; gap: 8px; overflow: hidden; }
.mc-sk { border-radius: 4px; background: linear-gradient(90deg, #1e293b 0%, #334155 50%, #1e293b 100%); background-size: 200% 100%; animation: mc-shimmer 1.8s ease-in-out infinite; }
.mc-sk--bar { grid-column: 1 / -1; background: linear-gradient(90deg, #1e3a8a, #0e7490); animation: none; }
.mc-sk--btn:nth-last-child(2) { grid-column: 1 / 3; background: #16a34a; animation: none; }
.mc-sk--btn:last-child { background: #2563eb; animation: none; }
@keyframes mc-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.mc-done__head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.mc-ok { display: inline-flex; gap: 8px; align-items: center; font-size: 18px; font-weight: 800; color: var(--mc-success); }
.mc-done__meta { color: var(--mc-muted); font-size: 13px; margin-top: 4px; }
.mc-done__actions { display: flex; gap: 8px; flex-wrap: wrap; }
.mc-btn { display: inline-flex; gap: 8px; align-items: center; height: 40px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--mc-border);
  background: var(--mc-surface); color: var(--mc-text); font-weight: 600; text-decoration: none !important; font-size: 14px; }
.mc-btn:hover { border-color: var(--mc-primary); color: var(--mc-primary); }
.mc-btn--primary { background: var(--mc-primary); color: var(--mc-primary-text) !important; border-color: var(--mc-primary); }
.mc-btn--primary:hover { background: var(--mc-primary-hover); color: var(--mc-primary-text); }

.mc-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin: 18px 0 12px; }
.mc-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.mc-tab { border: 1px solid var(--mc-border); background: var(--mc-surface); color: var(--mc-text-2); padding: 6px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; cursor: pointer; display: inline-flex; gap: 6px; align-items: center; }
.mc-tab small { color: var(--mc-muted); font-weight: 500; }
.mc-tab[aria-selected="true"] { background: var(--mc-text); color: var(--mc-surface); border-color: var(--mc-text); }
.mc-tab[aria-selected="true"] small { color: inherit; opacity: .7; }

.mc-stage { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mc-stage[data-view="html"] { grid-template-columns: 1fr; }
.mc-stage[data-view="html"] .mc-frame--mcgs, .mc-stage[data-view="mcgs"] .mc-frame--html { display: none; }
.mc-stage[data-view="mcgs"] { grid-template-columns: 1fr; }
.mc-frame { margin: 0; min-width: 0; }
.mc-frame figcaption { font-size: 12px; font-weight: 600; color: var(--mc-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .04em; }
.mc-canvas { position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--mc-border); background: repeating-conic-gradient(var(--mc-surface-2) 0% 25%, var(--mc-surface) 0% 50%) 50% / 16px 16px; }
.mc-canvas img, .mc-canvas svg { display: block; width: 100%; height: auto; }
.mc-canvas svg .mc-obj { cursor: crosshair; }
.mc-canvas svg .mc-obj:hover { outline: 2px solid #f59e0b; outline-offset: -1px; }
.mc-canvas svg .mc-hl { fill: rgba(245, 158, 11, .14); stroke: #f59e0b; stroke-width: 2; pointer-events: none; }
.mc-tip { position: absolute; z-index: 5; pointer-events: none; background: rgba(15, 23, 42, .94); color: #f8fafc; font-size: 12px; line-height: 1.5;
  padding: 7px 10px; border-radius: 8px; max-width: 280px; box-shadow: 0 8px 24px rgba(0, 0, 0, .3); }
.mc-tip b { color: #fbbf24; }

.mc-stats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.mc-stat { display: inline-flex; gap: 6px; align-items: baseline; background: var(--mc-surface-2); border: 1px solid var(--mc-border); border-radius: 10px; padding: 6px 12px; font-size: 13px; color: var(--mc-muted); }
.mc-stat b { font-size: 16px; color: var(--mc-text); font-variant-numeric: tabular-nums; }
.mc-warn { margin-top: 12px; padding: 12px 14px; border-radius: 10px; background: var(--mc-warning-soft); color: var(--mc-text-2); font-size: 13.5px; line-height: 1.6; }
.mc-warn b { color: var(--mc-warning); }
.mc-warn ul { margin: 6px 0 0; padding-left: 18px; }
.mc-vars { margin-top: 12px; border: 1px solid var(--mc-border); border-radius: 12px; }
.mc-vars summary { cursor: pointer; padding: 11px 14px; font-weight: 600; display: flex; gap: 8px; align-items: center; color: var(--mc-text-2); }
.mc-count { margin-left: auto; background: var(--mc-primary-soft); color: var(--mc-primary); border-radius: 999px; padding: 0 9px; font-size: 12px; }
.mc-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.mc-table th, .mc-table td { text-align: left; padding: 8px 14px; border-top: 1px solid var(--mc-border); }
.mc-table th { font-size: 12px; color: var(--mc-muted); font-weight: 600; background: var(--mc-surface-2); }
.mc-table code { color: var(--mc-primary); }

/* guide */
.mc-guide { margin-top: 28px; }
.mc-guide > h2 { font-size: 18px; font-weight: 800; display: flex; gap: 10px; align-items: center; margin: 0 0 14px; color: var(--mc-text); }
.mc-guide__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.mc-guide article { background: var(--mc-surface); border: 1px solid var(--mc-border); border-radius: var(--mc-r); padding: 16px 18px; }
.mc-guide h3 { font-size: 15px; font-weight: 700; margin: 0 0 6px; color: var(--mc-text); }
.mc-guide p { color: var(--mc-muted); font-size: 13.5px; line-height: 1.65; margin: 0 0 10px; }
.mc-guide p code { background: var(--mc-surface-3); padding: 1px 5px; border-radius: 5px; font-size: 12.5px; color: var(--mc-text); }
.mc-guide pre { margin: 0; background: #0f172a; color: #e2e8f0; padding: 10px 12px; border-radius: 10px; font-size: 12px; line-height: 1.6; overflow-x: auto; }
.mc-checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; font-size: 13.5px; color: var(--mc-text-2); }
.mc-checks li { padding-left: 24px; position: relative; }
.mc-checks li::before { font-family: "bootstrap-icons"; position: absolute; left: 0; top: 0; }
.mc-checks li.ok::before { content: "\F26A"; color: var(--mc-success); }
.mc-checks li.part::before { content: "\F332"; color: var(--mc-warning); }
.mc-checks li.no::before { content: "\F567"; color: var(--mc-muted); }

@media (max-width: 1080px) {
  .mc-grid { grid-template-columns: 1fr; }
  .mc-form { position: static; }
  .mc-result { min-height: 0; }
  .mc-empty { min-height: 360px; }
}
@media (max-width: 640px) {
  .mc { padding: 18px 16px 48px; }
  .mc-hero { flex-direction: column-reverse; gap: 12px; }
  .mc-lang { align-self: flex-end; }
  .mc-stage { grid-template-columns: 1fr; }
  .mc-device { width: 240px; }
  .mc-panels { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) { .mc * { animation: none !important; transition: none !important; } }