#rn-qr-tool {
  --bg: #fff8ef;
  --bg-soft: #fffdfa;
  --panel: rgba(255, 255, 255, 0.86);
  --border: #eadfd1;
  --text: #3b3027;
  --muted: #847465;
  --accent: #af623a;
  --accent-2: #ce9256;
  --accent-soft: rgba(175, 98, 58, 0.12);
  --danger: #ef4444;
  --shadow: 0 18px 40px -24px rgba(17, 24, 39, 0.35);
  --radius: 16px;
}#rn-qr-tool * { box-sizing: border-box; }#rn-qr-tool {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 0;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  transition: background .25s ease, color .25s ease;
}#rn-qr-tool .rnqr-bg-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(900px 420px at 12% -8%, var(--accent-soft), transparent 60%),
    radial-gradient(760px 380px at 92% 4%, rgba(206, 146, 86, .16), transparent 62%),
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: auto, auto, 42px 42px, 42px 42px;
  opacity: .85;
  mask-image: linear-gradient(to bottom, #000 0%, #000 40%, transparent 100%);
}#rn-qr-tool .rnqr-topbar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px clamp(16px, 4vw, 44px) 6px;
}#rn-qr-tool .rnqr-brand { display: flex; align-items: center; gap: 14px; }#rn-qr-tool .rnqr-logo {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 26px -14px var(--accent);
}#rn-qr-tool .rnqr-brand h2 { margin: 0; font-size: 20px; letter-spacing: .2px; }#rn-qr-tool .rnqr-brand p { margin: 2px 0 0; font-size: 12.5px; color: var(--muted); }#rn-qr-tool .icon-btn {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease;
}#rn-qr-tool .icon-btn:hover { transform: translateY(-1px); border-color: var(--accent); }#rn-qr-tool .icon-btn svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }#rn-qr-tool .rnqr-layout {
  position: relative;
  z-index: 1;
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 22px;
  align-items: start;
  padding: 18px clamp(16px, 4vw, 44px) 34px;
}#rn-qr-tool .rnqr-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}#rn-qr-tool .rnqr-config-panel { padding: 18px; }#rn-qr-tool .rnqr-preview-panel { padding: 20px; position: sticky; top: 18px; }#rn-qr-tool .rnqr-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}#rn-qr-tool .rnqr-tab {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .16s ease;
  font-family: inherit;
}#rn-qr-tool .rnqr-tab:hover { color: var(--text); background: var(--accent-soft); }#rn-qr-tool .rnqr-tab.rnqr-active {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 22px -14px var(--accent);
}#rn-qr-tool .rnqr-form { display: none; flex-direction: column; gap: 13px; }#rn-qr-tool .rnqr-form.rnqr-active { display: flex; }#rn-qr-tool .rnqr-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }#rn-qr-tool .rnqr-field > span {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}#rn-qr-tool .rnqr-field b { color: var(--accent); font-variant-numeric: tabular-nums; }#rn-qr-tool input[type="text"], #rn-qr-tool input[type="color"], #rn-qr-tool input[type="datetime-local"], #rn-qr-tool textarea, #rn-qr-tool select {
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  width: 100%;
  outline: none;
  transition: border-color .16s ease, box-shadow .16s ease;
}#rn-qr-tool textarea { resize: vertical; min-height: 44px; line-height: 1.5; }#rn-qr-tool input[type="text"]:focus, #rn-qr-tool input[type="datetime-local"]:focus, #rn-qr-tool textarea:focus, #rn-qr-tool select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}#rn-qr-tool input::placeholder, #rn-qr-tool textarea::placeholder { color: var(--muted); opacity: .7; }#rn-qr-tool input[type="datetime-local"] { color-scheme: light dark; }#rn-qr-tool select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 32px; }#rn-qr-tool input[type="file"] { font-size: 12.5px; color: var(--muted); background: transparent; border: 1px dashed var(--border); border-radius: 10px; padding: 9px 11px; width: 100%; cursor: pointer; }#rn-qr-tool input[type="file"]::file-selector-button { font-family: inherit; font-size: 12.5px; border: 0; background: var(--accent-soft); color: var(--accent); font-weight: 600; padding: 5px 10px; border-radius: 7px; margin-right: 10px; cursor: pointer; }#rn-qr-tool .rnqr-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }#rn-qr-tool .rnqr-row-end { display: flex; justify-content: flex-end; margin-top: -6px; }#rn-qr-tool .rnqr-counter { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }#rn-qr-tool .rnqr-empty-hint { margin: 4px 0 0; font-size: 12.5px; color: var(--muted); display: none; }#rn-qr-tool .rnqr-empty-hint.rnqr-show { display: block; }#rn-qr-tool .rnqr-switch-field { justify-content: flex-start; }#rn-qr-tool .rnqr-switch { position: relative; display: inline-flex; width: 44px; height: 25px; flex: none; }#rn-qr-tool .rnqr-switch.rnqr-inline { margin-top: 4px; }#rn-qr-tool .rnqr-switch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }#rn-qr-tool .rnqr-switch i { position: absolute; inset: 0; background: var(--border); border-radius: 999px; transition: background .2s ease; }#rn-qr-tool .rnqr-switch i::after { content: ""; position: absolute; top: 3px; left: 3px; width: 19px; height: 19px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.3); transition: transform .2s ease; }#rn-qr-tool .rnqr-switch input:checked + i { background: var(--accent); }#rn-qr-tool .rnqr-switch input:checked + i::after { transform: translateX(19px); }#rn-qr-tool .rnqr-color-wrap { display: flex; gap: 8px; align-items: center; }#rn-qr-tool .rnqr-color-wrap input[type="color"] { width: 42px; height: 40px; padding: 3px; flex: none; cursor: pointer; }#rn-qr-tool .rnqr-color-wrap input[type="text"] { font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: 13px; text-transform: uppercase; }#rn-qr-tool .rnqr-range-field input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 6px; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent) var(--p, 30%), var(--border) var(--p, 30%));
  outline: none; padding: 0; border: 0;
}#rn-qr-tool .rnqr-range-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff; border: 2px solid var(--accent);
  box-shadow: 0 2px 6px rgba(0,0,0,.25); cursor: pointer;
}#rn-qr-tool .rnqr-range-field input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 2px solid var(--accent); cursor: pointer;
}#rn-qr-tool .rnqr-style-panel { margin-top: 16px; border-top: 1px solid var(--border); padding-top: 14px; }#rn-qr-tool .rnqr-style-panel summary {
  cursor: pointer; list-style: none;
  font-size: 13.5px; font-weight: 700;
  display: flex; align-items: center; gap: 8px;
  color: var(--text);
}#rn-qr-tool .rnqr-style-panel summary::-webkit-details-marker { display: none; }#rn-qr-tool .rnqr-style-panel summary::before { content: "▸"; color: var(--accent); transition: transform .2s ease; font-size: 12px; }#rn-qr-tool .rnqr-style-panel[open] summary::before { transform: rotate(90deg); }#rn-qr-tool .rnqr-style-body { display: flex; flex-direction: column; gap: 13px; margin-top: 14px; }#rn-qr-tool .rnqr-grad-only { display: none; }#rn-qr-tool .rnqr-grad-only.rnqr-show { display: grid; }#rn-qr-tool .rnqr-presets { display: flex; flex-direction: column; gap: 8px; }#rn-qr-tool .rnqr-preset-label { font-size: 12.5px; font-weight: 600; color: var(--muted); }#rn-qr-tool .rnqr-swatches { display: flex; flex-wrap: wrap; gap: 8px; }#rn-qr-tool .rnqr-swatch {
  width: 30px; height: 30px; border-radius: 9px; border: 2px solid var(--border);
  cursor: pointer; padding: 0; transition: transform .15s ease, border-color .15s ease;
}#rn-qr-tool .rnqr-swatch:hover { transform: translateY(-2px) scale(1.05); border-color: var(--accent); }#rn-qr-tool .rnqr-preview-stage {
  display: grid; place-items: center;
  padding: 22px;
  border-radius: 14px;
  background:
    linear-gradient(135deg, var(--accent-soft), transparent 70%),
    repeating-conic-gradient(var(--border) 0% 25%, transparent 0% 50%) 0 0 / 18px 18px;
  border: 1px solid var(--border);
}#rn-qr-tool .rnqr-qr-card {
  position: relative;
  display: grid; place-items: center;
  padding: 14px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 14px 34px -20px rgba(17, 24, 39, .55);
  max-width: 100%;
  min-width: 180px; min-height: 180px;
}#rn-qr-tool #rnqr-qrCanvas { display: block; max-width: 100%; height: auto; border-radius: 4px; }#rn-qr-tool .rnqr-qr-empty {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  color: #9aa1b1; font-size: 13px; text-align: center; padding: 20px;
}#rn-qr-tool .rnqr-qr-empty[hidden] { display: none; }#rn-qr-tool .rnqr-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 8px; margin-top: 16px;
}#rn-qr-tool .rnqr-stats > div {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 6px;
  text-align: center;
}#rn-qr-tool .rnqr-stats span { display: block; font-size: 11px; color: var(--muted); margin-bottom: 2px; }#rn-qr-tool .rnqr-stats b { font-size: 14px; font-variant-numeric: tabular-nums; }#rn-qr-tool .rnqr-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }#rn-qr-tool .rnqr-export-group { display: flex; gap: 10px; }#rn-qr-tool .rnqr-export-group > * { flex: 1; }#rn-qr-tool .rnqr-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  font-family: inherit; font-size: 14px; font-weight: 600;
  padding: 11px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  cursor: pointer;
  transition: transform .14s ease, border-color .14s ease, background .14s ease, opacity .14s ease;
  white-space: nowrap;
}#rn-qr-tool .rnqr-btn:hover { transform: translateY(-1px); border-color: var(--accent); }#rn-qr-tool .rnqr-btn:active { transform: translateY(0); }#rn-qr-tool .rnqr-btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }#rn-qr-tool .rnqr-btn.rnqr-primary {
  color: #fff; border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 24px -16px var(--accent);
}#rn-qr-tool .rnqr-btn.rnqr-ghost { background: var(--accent-soft); color: var(--accent); border-color: transparent; }#rn-qr-tool .rnqr-btn svg { fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }#rn-qr-tool .rnqr-export-group select { flex: 0 0 108px; padding: 10px 28px 10px 12px; }#rn-qr-tool .rnqr-tip {
  min-height: 18px; margin: 10px 0 0;
  font-size: 12.5px; text-align: center; color: var(--accent);
  opacity: 0; transition: opacity .2s ease;
}#rn-qr-tool .rnqr-tip.rnqr-show { opacity: 1; }#rn-qr-tool .rnqr-tip.rnqr-err { color: var(--danger); }#rn-qr-tool .rnqr-history { margin-top: 18px; border-top: 1px solid var(--border); padding-top: 14px; }#rn-qr-tool .rnqr-history-head { display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; font-weight: 600; color: var(--muted); }#rn-qr-tool .rnqr-link-btn { background: none; border: 0; color: var(--accent); font-size: 12.5px; font-weight: 600; cursor: pointer; font-family: inherit; padding: 0; }#rn-qr-tool .rnqr-history-list { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-direction: column; gap: 7px; max-height: 168px; overflow-y: auto; }#rn-qr-tool .rnqr-history-list li {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 9px;
  background: var(--bg-soft); border: 1px solid var(--border);
  cursor: pointer; transition: border-color .15s ease;
}#rn-qr-tool .rnqr-history-list li:hover { border-color: var(--accent); }#rn-qr-tool .rnqr-history-list canvas { width: 30px; height: 30px; flex: none; border-radius: 5px; background: #fff; }#rn-qr-tool .rnqr-history-list .rnqr-h-meta { min-width: 0; flex: 1; }#rn-qr-tool .rnqr-history-list .rnqr-h-type { font-size: 11px; color: var(--accent); font-weight: 700; text-transform: uppercase; }#rn-qr-tool .rnqr-history-list .rnqr-h-text { font-size: 12.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }#rn-qr-tool .rnqr-foot {
  position: relative; z-index: 1;
  text-align: center; padding: 0 20px 26px;
  font-size: 12px; color: var(--muted);
}@media (max-width: 900px) {#rn-qr-tool .rnqr-layout { grid-template-columns: 1fr; }#rn-qr-tool .rnqr-preview-panel { position: static; }#rn-qr-tool .rnqr-tabs { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 10px; }#rn-qr-tool .rnqr-tab { flex: none; }
}@media (max-width: 460px) {#rn-qr-tool .rnqr-grid-2 { grid-template-columns: 1fr; }#rn-qr-tool .rnqr-stats { grid-template-columns: repeat(2, 1fr); }#rn-qr-tool .rnqr-export-group { flex-wrap: wrap; }
}

#rn-qr-tool {position:relative;isolation:isolate;container-type:inline-size;border:1px solid #eadfd1;border-radius:16px;font-size:14px;line-height:1.6;width:100%;}
#rn-qr-tool [hidden]{display:none!important;}
#rn-qr-tool h2 {margin:0;padding:0;border:0;font-size:22px;font-weight:700;color:var(--text);line-height:1.4;}
#rn-qr-tool button,#rn-qr-tool input,#rn-qr-tool select,#rn-qr-tool textarea{box-shadow:none;text-transform:none;letter-spacing:normal;margin:0;}
#rn-qr-tool label{margin:0;}
#rn-qr-tool .rnqr-topbar{padding:24px 24px 4px;}
#rn-qr-tool .rnqr-layout{padding:20px 24px 24px;gap:20px;}
#rn-qr-tool .rnqr-panel{min-width:0;}
#rn-qr-tool .rnqr-preview-panel{position:static;}
#rn-qr-tool .rnqr-qr-card{min-width:0;width:100%;}
#rn-qr-tool #rnqr-qrCanvas{height:auto!important;aspect-ratio:1;}
#rn-qr-tool .rnqr-switch i{pointer-events:none;}
#rn-qr-tool .scan-note{font-size:12px;color:var(--muted);margin:14px 0 0;}
#rn-qr-tool input[type="datetime-local"]{color-scheme:light;}
#rn-qr-tool .rnqr-style-panel{border:0;margin-top:20px;padding-top:0;}
#rn-qr-tool .rnqr-style-panel summary{padding:12px;background:var(--accent-soft);border-radius:10px;}
#rn-qr-tool .rnqr-history-list li:focus-visible,#rn-qr-tool button:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
@container (max-width:760px){#rn-qr-tool .rnqr-layout{grid-template-columns:1fr;} #rn-qr-tool .rnqr-tabs{flex-wrap:wrap;}}
@container (max-width:440px){#rn-qr-tool .rnqr-layout{padding:14px;}#rn-qr-tool .rnqr-topbar{padding:18px 14px 0;}#rn-qr-tool .rnqr-grid-2{grid-template-columns:1fr;}#rn-qr-tool .rnqr-preview-stage{padding:12px;}#rn-qr-tool .rnqr-brand p{font-size:11px;}}

/* 嵌入现有 Bootstrap card-body */
#rn-qr-tool{border:0;border-radius:10px;}
#rn-qr-tool .rnqr-layout{padding:20px;}
@container(max-width:440px){#rn-qr-tool .rnqr-layout{padding:12px;}}

/* 用户指定的浅色主题与字体 */
#rn-qr-tool {
 color-scheme:light;
 --bg-0:#faf9f6;--bg-1:#f3f3ef;--bg-2:#e9ede9;
 --surface-0:rgba(28,39,51,.025);--surface-1:rgba(28,39,51,.04);--surface-2:rgba(28,39,51,.06);--surface-3:rgba(28,39,51,.09);
 --surface-card:#fff;--surface-card-hover:#fff;--surface-elevated:#fff;
 --text-0:#202a30;--text-1:#59656b;--text-2:#657176;--text-2-on-page:#606c70;
 --text-soft-strong:#303c42;--text-soft-medium:rgba(28,39,51,.55);
 --border:#dfe4e1;--border-strong:#d1d9d5;--border-soft:#e9ede9;--border-emphasis:#8a94a2;--border-card-subtle-solid:#bbc9c4;
 --shadow:0 12px 32px rgba(28,39,51,.12);--shadow-soft:0 4px 12px rgba(28,39,51,.06);
 --shadow-card:0 1px 2px rgba(32,42,48,.025);--shadow-card-hover:0 3px 12px rgba(32,42,48,.055);--shadow-thumb:0 1px 3px rgba(28,39,51,.14);
 --bg:var(--bg-0);--bg-soft:var(--surface-card);--panel:var(--surface-card);--text:var(--text-0);--muted:var(--text-2);
 --accent:#526c60;--accent-2:#6b8275;--accent-soft:rgba(82,108,96,.09);
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:14px;line-height:1.65;color:var(--text-0);background:var(--bg-0);
}
#rn-qr-tool .rnqr-bg-grid{background-image:linear-gradient(var(--border-soft) 1px,transparent 1px),linear-gradient(90deg,var(--border-soft) 1px,transparent 1px);background-size:42px 42px;opacity:.35;}
#rn-qr-tool .rnqr-panel{box-shadow:var(--shadow-card);}
#rn-qr-tool .rnqr-tab{font-size:13px;font-weight:500;padding:8px 11px;line-height:1.5;}
#rn-qr-tool .rnqr-tab i{margin-right:4px;font-size:12px;}
#rn-qr-tool .rnqr-field > span{font-size:13px;font-weight:500;color:var(--text-1);}
#rn-qr-tool input[type=text],#rn-qr-tool textarea,#rn-qr-tool select,#rn-qr-tool input[type=datetime-local]{font-size:14px;line-height:1.6;color:var(--text-0);}
#rn-qr-tool .rnqr-btn{font-size:14px;font-weight:500;line-height:1.5;}
#rn-qr-tool .rnqr-style-panel summary{font-size:14px;font-weight:600;color:var(--text-soft-strong);}
#rn-qr-tool .rnqr-preview-stage{background:var(--bg-1);border-color:var(--border-soft);}
#rn-qr-tool .rnqr-qr-card{box-shadow:var(--shadow-thumb);}
#rn-qr-tool .rnqr-scan-note{display:block;margin:14px 0 0;padding:0;color:var(--text-2);font-size:12px;font-weight:400;line-height:1.7;text-align:left;}
#rn-qr-tool .rnqr-history-head{font-size:13px;color:var(--text-1);}
#rn-qr-tool #rnqr-historyCount{display:inline-block;min-width:20px;padding:0 5px;margin-left:4px;border-radius:6px;background:var(--bg-2);color:var(--text-1);font-size:11px;font-weight:500;text-align:center;}
#rn-qr-tool .rnqr-history-empty{padding:14px 10px;margin:12px 0 0;border:1px dashed var(--border-strong);border-radius:8px;background:var(--bg-0);font-size:12px;color:var(--text-2);line-height:1.7;}
#rn-qr-tool .rnqr-link-btn:disabled{opacity:.45;cursor:default;}
#rn-qr-tool .rnqr-history-list .rnqr-h-text{font-size:12px;color:var(--text-2);}
#rn-qr-tool .rnqr-foot{font-size:12px;color:var(--text-2-on-page);}