/* ==========================================================================
   医美纠纷退款与赔偿测算器 · 镜面双账本视觉
   独立设计：象牙白纸 + 玫瑰金 + 石墨镜面
   ========================================================================== */

.bc-page {
  --bc-bg: #f7f2ee;
  --bc-bg-2: #f1e9e4;
  --bc-card: #ffffff;
  --bc-ink: #1c1a1d;
  --bc-ink-2: #57505a;
  --bc-ink-3: #8a818d;
  --bc-line: #e8ddd8;
  --bc-line-2: #f3ebe7;
  --bc-rose: #b3405f;
  --bc-rose-2: #8e2f4a;
  --bc-rose-soft: #fbeaef;
  --bc-rose-line: #f0cfd9;
  --bc-graphite: #1b1c22;
  --bc-graphite-2: #101116;
  --bc-gold: #a97b3f;
  --bc-gold-soft: #f6efe3;
  --bc-green: #2f7a5f;
  --bc-green-soft: #e9f3ee;

  /* 深底填充专用（浅色主题下仍保持足够对比） */
  --bc-deep: #b3405f;
  --bc-deep-2: #8e2f4a;

  --bc-shadow: 0 1px 2px rgba(28, 26, 29, .04), 0 14px 34px -24px rgba(28, 26, 29, .4);
  --bc-shadow-lift: 0 2px 4px rgba(28, 26, 29, .05), 0 22px 48px -30px rgba(28, 26, 29, .5);
  --bc-mono: "JetBrains Mono", "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
  --bc-sans: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --bc-serif: "Iowan Old Style", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;

  background:
    radial-gradient(1000px 460px at 8% -6%, rgba(179, 64, 95, .08), transparent 62%),
    radial-gradient(820px 420px at 98% 2%, rgba(169, 123, 63, .07), transparent 58%),
    var(--bc-bg);
  color: var(--bc-ink);
  font-family: var(--bc-sans);
  font-size: 15px;
  line-height: 1.74;
  padding: 0 0 76px;
  -webkit-font-smoothing: antialiased;
}

:root[data-theme="dark"] .bc-page {
  --bc-bg: #121014;
  --bc-bg-2: #17141a;
  --bc-card: #1c191d;
  --bc-ink: #f0e9ea;
  --bc-ink-2: #b3a9ae;
  --bc-ink-3: #857b82;
  --bc-line: #332c31;
  --bc-line-2: #292329;
  --bc-rose: #e387a1;
  --bc-rose-2: #f0a6ba;
  --bc-rose-soft: #33202a;
  --bc-rose-line: #4a2b37;
  --bc-graphite: #0e0f13;
  --bc-graphite-2: #08090c;
  --bc-gold: #d8ad74;
  --bc-gold-soft: #2c2418;
  --bc-green: #6cc0a0;
  --bc-green-soft: #172a24;
  --bc-deep: #7e2a44;
  --bc-deep-2: #5e1f33;

  --bc-shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 16px 38px -26px rgba(0, 0, 0, .95);
  --bc-shadow-lift: 0 2px 4px rgba(0, 0, 0, .45), 0 24px 52px -32px rgba(0, 0, 0, 1);

  background:
    radial-gradient(1000px 480px at 8% -6%, rgba(227, 135, 161, .07), transparent 60%),
    radial-gradient(860px 440px at 98% 2%, rgba(216, 173, 116, .05), transparent 58%),
    var(--bc-bg);
  color: var(--bc-ink);
}

.bc-page *, .bc-page *::before, .bc-page *::after { box-sizing: border-box; }

.bc-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 面包屑 ---------- */
.bc-crumb {
  padding: 20px 0 12px;
  font-size: 12.5px;
  color: var(--bc-ink-3);
  letter-spacing: .02em;
}
.bc-crumb a {
  color: var(--bc-ink-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s, border-color .18s;
}
.bc-crumb a:hover { color: var(--bc-rose); border-bottom-color: currentColor; }
.bc-crumb span { color: var(--bc-ink); }

/* ==========================================================================
   首屏
   ========================================================================== */
.bc-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 38px;
  align-items: stretch;
  padding: 38px 34px 36px 38px;
  margin-bottom: 26px;
  background: var(--bc-card);
  border: 1px solid var(--bc-line);
  border-radius: 14px;
  box-shadow: var(--bc-shadow);
  overflow: hidden;
}
.bc-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46%;
  height: 4px;
  background: linear-gradient(90deg, var(--bc-rose), rgba(179, 64, 95, 0));
}
.bc-hero::after {
  content: "";
  position: absolute;
  right: 34%;
  bottom: 0;
  width: 190px;
  height: 190px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(169, 123, 63, .12), transparent 68%);
}

.bc-hero-copy { position: relative; z-index: 1; min-width: 0; }

.bc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--bc-rose);
  font-weight: 600;
}
.bc-eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
}

.bc-hero h1 {
  margin: 16px 0 0;
  font-family: var(--bc-serif);
  font-size: 40px;
  line-height: 1.26;
  letter-spacing: .005em;
  font-weight: 600;
  color: var(--bc-ink);
}
.bc-hero h1 b {
  position: relative;
  font-weight: 600;
  color: var(--bc-rose-2);
  background: linear-gradient(to top, rgba(179, 64, 95, .16) 0 34%, transparent 34%);
  padding: 0 2px;
}
:root[data-theme="dark"] .bc-hero h1 b {
  color: var(--bc-rose-2);
  background: linear-gradient(to top, rgba(227, 135, 161, .24) 0 34%, transparent 34%);
}

.bc-sub {
  margin: 16px 0 0;
  max-width: 620px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--bc-ink-2);
}
.bc-sub b { color: var(--bc-ink); font-weight: 650; }

.bc-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.bc-hero-tags span {
  display: inline-block;
  padding: 4px 11px;
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--bc-ink-2);
  background: var(--bc-bg-2);
  border: 1px solid var(--bc-line);
  border-radius: 999px;
}

.bc-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- 按钮 ---------- */
.bc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 22px;
  font-family: var(--bc-sans);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1.2;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background .18s, color .18s, border-color .18s, transform .12s, box-shadow .18s;
}
.bc-btn.solid {
  background: var(--bc-deep);
  border-color: var(--bc-deep);
  color: #fff;
  box-shadow: 0 10px 22px -14px rgba(179, 64, 95, .9);
}
.bc-btn.solid:hover { background: var(--bc-deep-2); border-color: var(--bc-deep-2); }
.bc-btn.line {
  background: transparent;
  border-color: var(--bc-line);
  color: var(--bc-ink-2);
}
.bc-btn.line:hover {
  border-color: var(--bc-rose);
  color: var(--bc-rose);
  background: var(--bc-rose-soft);
}
.bc-btn:active { transform: translateY(1px); }
.bc-btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.bc-btn.ai {
  background: linear-gradient(135deg, var(--bc-deep), #6f2338);
  border-color: transparent;
  white-space: nowrap;
}
.bc-btn.ai:hover { filter: brightness(1.1); }

/* ---------- 首屏镜面卡 ---------- */
.bc-mirror {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px 22px 20px;
  border-radius: 14px;
  background:
    linear-gradient(158deg, #2a2831 0%, var(--bc-graphite) 42%, var(--bc-graphite-2) 100%);
  border: 1px solid rgba(227, 135, 161, .34);
  box-shadow: 0 24px 46px -30px rgba(16, 17, 22, .9), inset 0 1px 0 rgba(255, 255, 255, .08);
  color: #f6eef0;
  overflow: hidden;
}
.bc-mirror::before {
  content: "";
  position: absolute;
  top: -60%;
  left: -20%;
  width: 90%;
  height: 190%;
  transform: rotate(18deg);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, .1), rgba(255, 255, 255, 0));
  pointer-events: none;
}
.bc-mirror::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(420px 160px at 100% 0%, rgba(227, 135, 161, .22), transparent 70%);
}

.bc-mirror-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(246, 238, 240, .62);
}
.bc-mirror-top em {
  font-style: normal;
  font-size: 11.5px;
  letter-spacing: .02em;
  text-transform: none;
  color: #e9b3c4;
  white-space: nowrap;
}

.bc-mirror-num {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}
.bc-mirror-num b {
  font-family: var(--bc-mono);
  font-size: 25px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.bc-mirror-num b:last-of-type { color: #f3c3d2; }
.bc-mirror-num i {
  font-style: normal;
  color: rgba(246, 238, 240, .4);
  font-size: 14px;
}

.bc-split {
  position: relative;
  z-index: 1;
  display: flex;
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, .08);
}
.bc-split .seg {
  display: block;
  height: 100%;
  width: 0;
  transition: width .35s ease;
}
.bc-split .seg.refund { background: #d3607f; }
.bc-split .seg.comp { background: #e8c9a0; }
.bc-split .seg.punish { background: #8f6fa8; }

.bc-split-legend {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-top: -4px;
  font-size: 11.5px;
  color: rgba(246, 238, 240, .66);
}
.bc-split-legend span { display: inline-flex; align-items: center; gap: 6px; }
.bc-split-legend b {
  font-family: var(--bc-mono);
  font-weight: 600;
  color: #f6eef0;
  font-variant-numeric: tabular-nums;
}
.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.dot.refund { background: #d3607f; }
.dot.comp { background: #e8c9a0; }
.dot.punish { background: #8f6fa8; }

.bc-mirror-foot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-top: 2px;
  padding-top: 13px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: 12px;
  color: rgba(246, 238, 240, .6);
}
.bc-mirror-foot b {
  font-family: var(--bc-mono);
  font-size: 14px;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.bc-mirror-foot em {
  font-style: normal;
  font-size: 11.5px;
  color: rgba(246, 238, 240, .5);
}

/* ==========================================================================
   工作区
   ========================================================================== */
.bc-work {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 22px;
  align-items: start;
  margin-bottom: 26px;
}
.bc-col-main { min-width: 0; display: flex; flex-direction: column; gap: 18px; }
.bc-col-side { min-width: 0; }

.bc-block {
  background: var(--bc-card);
  border: 1px solid var(--bc-line);
  border-radius: 12px;
  box-shadow: var(--bc-shadow);
  overflow: hidden;
}
.bc-block-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 22px 14px;
  background: linear-gradient(180deg, var(--bc-bg-2), transparent);
  border-bottom: 1px solid var(--bc-line-2);
}
.bc-no {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-top: 1px;
  font-family: var(--bc-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--bc-rose-2);
  background: var(--bc-rose-soft);
  border: 1px solid var(--bc-rose-line);
  border-radius: 8px;
}
:root[data-theme="dark"] .bc-no { color: var(--bc-rose); }
.bc-block-head h2 {
  margin: 0;
  font-family: var(--bc-serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--bc-ink);
}
.bc-block-head p {
  margin: 4px 0 0;
  font-size: 12.5px;
  color: var(--bc-ink-3);
}
.bc-block-body { padding: 18px 22px 22px; }

/* ---------- 字段 ---------- */
.bc-field-block { margin-bottom: 20px; }
.bc-field-block:last-child { margin-bottom: 0; }

.bc-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 9px;
}
.bc-label label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--bc-ink);
}
.bc-label span { font-size: 11.5px; color: var(--bc-ink-3); }

.bc-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.bc-field { min-width: 0; }
.bc-field > label {
  display: block;
  margin-bottom: 7px;
  font-size: 12.5px;
  color: var(--bc-ink-2);
  line-height: 1.4;
}
.bc-field > label em {
  display: inline-block;
  margin-left: 4px;
  font-style: normal;
  font-size: 10.5px;
  color: var(--bc-ink-3);
  padding: 1px 5px;
  border: 1px solid var(--bc-line);
  border-radius: 4px;
}

.bc-input {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 40px;
  padding: 0 10px;
  background: var(--bc-bg);
  border: 1px solid var(--bc-line);
  border-radius: 8px;
  transition: border-color .18s, box-shadow .18s, background .18s;
}
.bc-input:focus-within {
  border-color: var(--bc-rose);
  background: var(--bc-card);
  box-shadow: 0 0 0 3px rgba(179, 64, 95, .12);
}
:root[data-theme="dark"] .bc-input:focus-within { box-shadow: 0 0 0 3px rgba(227, 135, 161, .16); }
.bc-input .pre {
  flex: 0 0 auto;
  font-family: var(--bc-mono);
  font-size: 12.5px;
  color: var(--bc-ink-3);
}
.bc-input .unit {
  flex: 0 0 auto;
  font-size: 11.5px;
  color: var(--bc-ink-3);
}
.bc-input input {
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-family: var(--bc-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--bc-ink);
  font-variant-numeric: tabular-nums;
}
.bc-input input::selection { background: var(--bc-rose); color: #fff; }
.bc-input.has-select { padding: 0 6px 0 10px; }
.bc-input select {
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
  height: 100%;
  padding: 0 2px;
  border: 0;
  outline: 0;
  background: transparent;
  font-family: var(--bc-sans);
  font-size: 13.5px;
  color: var(--bc-ink);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}
.bc-input.big { height: 52px; padding: 0 14px; }
.bc-input.big input { font-size: 22px; font-weight: 600; }
.bc-input.big .pre { font-size: 16px; }

/* ---------- 项目类型 chips ---------- */
.bc-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.bc-chips button {
  padding: 7px 14px;
  font-family: var(--bc-sans);
  font-size: 12.5px;
  color: var(--bc-ink-2);
  background: var(--bc-bg);
  border: 1px solid var(--bc-line);
  border-radius: 999px;
  cursor: pointer;
  transition: all .18s;
}
.bc-chips button:hover { border-color: var(--bc-rose-line); color: var(--bc-rose); }
.bc-chips button.on {
  background: var(--bc-rose-soft);
  border-color: var(--bc-rose);
  color: var(--bc-rose-2);
  font-weight: 600;
}
:root[data-theme="dark"] .bc-chips button.on { color: var(--bc-rose); }

/* ---------- 退款情形卡 ---------- */
.bc-refunds {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.bc-refunds button {
  position: relative;
  display: block;
  width: 100%;
  padding: 13px 14px 13px 17px;
  text-align: left;
  background: var(--bc-bg);
  border: 1px solid var(--bc-line);
  border-radius: 9px;
  cursor: pointer;
  transition: all .18s;
  overflow: hidden;
}
.bc-refunds button::before {
  content: "";
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 0;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: transparent;
  transition: background .18s;
}
.bc-refunds button:hover {
  border-color: var(--bc-rose-line);
  background: var(--bc-card);
  box-shadow: 0 8px 20px -18px rgba(28, 26, 29, .6);
}
.bc-refunds button.on {
  background: var(--bc-rose-soft);
  border-color: var(--bc-rose);
}
.bc-refunds button.on::before { background: var(--bc-rose); }
.bc-refunds b {
  display: block;
  font-family: var(--bc-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--bc-rose-2);
}
:root[data-theme="dark"] .bc-refunds b { color: var(--bc-rose); }
.bc-refunds strong {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  font-weight: 600;
  color: var(--bc-ink);
}
.bc-refunds span {
  display: block;
  margin-top: 4px;
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--bc-ink-3);
}

/* ---------- 开关条 ---------- */
.bc-fraud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 20px;
  padding: 15px 17px;
  background: linear-gradient(135deg, var(--bc-gold-soft), transparent 70%);
  border: 1px solid var(--bc-line);
  border-left: 3px solid var(--bc-gold);
  border-radius: 9px;
}
.bc-fraud-copy { min-width: 0; }
.bc-fraud-copy strong {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--bc-ink);
}
.bc-fraud-copy strong em {
  font-style: normal;
  margin-left: 6px;
  padding: 1px 6px;
  font-size: 11px;
  color: var(--bc-gold);
  background: rgba(169, 123, 63, .12);
  border-radius: 4px;
}
:root[data-theme="dark"] .bc-fraud-copy strong em { background: rgba(216, 173, 116, .14); }
.bc-fraud-copy p {
  margin: 5px 0 0;
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--bc-ink-3);
}

.bc-switch {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-family: var(--bc-sans);
}
.bc-switch i {
  position: relative;
  display: block;
  width: 46px;
  height: 26px;
  border-radius: 999px;
  background: var(--bc-line);
  transition: background .22s;
}
.bc-switch i::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(28, 26, 29, .3);
  transition: transform .22s;
}
.bc-switch span {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--bc-ink-3);
  white-space: nowrap;
}
.bc-switch.on i { background: var(--bc-deep); }
.bc-switch.on i::after { transform: translateX(20px); }
.bc-switch.on span { color: var(--bc-rose-2); }
:root[data-theme="dark"] .bc-switch.on span { color: var(--bc-rose); }

/* ---------- 显隐面板 ---------- */
.bc-pane { margin-top: 16px; }
.bc-pane[hidden] { display: none; }
.bc-pane-tip {
  margin: 12px 0 0;
  padding: 10px 13px;
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--bc-ink-2);
  background: var(--bc-bg);
  border-left: 2px solid var(--bc-rose-line);
  border-radius: 0 6px 6px 0;
}

/* ---------- 责任四档 ---------- */
.bc-resp {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
}
.bc-resp button {
  padding: 13px 8px;
  font-family: var(--bc-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--bc-ink-2);
  background: var(--bc-bg);
  border: 1px solid var(--bc-line);
  border-radius: 9px;
  cursor: pointer;
  transition: all .18s;
}
.bc-resp button em {
  display: block;
  margin-top: 4px;
  font-family: var(--bc-mono);
  font-style: normal;
  font-size: 10.5px;
  font-weight: 500;
  color: var(--bc-ink-3);
}
.bc-resp button:hover { border-color: var(--bc-rose-line); color: var(--bc-rose); }
.bc-resp button.on {
  background: var(--bc-graphite);
  border-color: var(--bc-graphite);
  color: #f6eef0;
  box-shadow: 0 12px 26px -20px rgba(16, 17, 22, .95);
}
.bc-resp button.on em { color: #e9b3c4; }
.bc-resp-note {
  margin: 12px 0 0;
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--bc-ink-3);
}

/* ==========================================================================
   右侧核对单
   ========================================================================== */
.bc-stmt {
  position: sticky;
  top: 20px;
  background: var(--bc-card);
  border: 1px solid var(--bc-line);
  border-radius: 12px;
  box-shadow: var(--bc-shadow-lift);
  overflow: hidden;
}
.bc-stmt-head {
  padding: 18px 20px 15px;
  background: var(--bc-graphite);
  color: #f6eef0;
}
.bc-stmt-head span {
  display: block;
  font-family: var(--bc-mono);
  font-size: 10px;
  letter-spacing: .26em;
  color: rgba(246, 238, 240, .48);
}
.bc-stmt-head h3 {
  margin: 4px 0 0;
  font-family: var(--bc-serif);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .02em;
}
.bc-stmt-head em {
  display: block;
  margin-top: 5px;
  font-style: normal;
  font-size: 11.5px;
  color: #e9b3c4;
}

.bc-stmt-group { padding: 14px 20px 4px; }
.bc-stmt-group + .bc-stmt-group { border-top: 1px solid var(--bc-line-2); }
.bc-stmt-group[hidden] { display: none; }
.bc-stmt-group h4 {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 6px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--bc-ink);
}
.bc-stmt-group h4 em {
  font-style: normal;
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--bc-ink-3);
}

.bc-rows { list-style: none; margin: 0; padding: 0; }
.bc-rows li {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--bc-line);
}
.bc-rows li:last-child { border-bottom: 0; }
.bc-row-name { min-width: 0; font-size: 12.5px; color: var(--bc-ink-2); line-height: 1.5; }
.bc-row-name em {
  display: block;
  margin-top: 1px;
  font-style: normal;
  font-size: 10.5px;
  color: var(--bc-ink-3);
}
.bc-row-val {
  flex: 0 0 auto;
  font-family: var(--bc-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--bc-ink);
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.bc-row-val i { padding: 0 3px; font-style: normal; color: var(--bc-ink-3); font-weight: 400; }

.bc-subtotal {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0 11px;
  font-size: 11.5px;
  color: var(--bc-ink-3);
}
.bc-subtotal b {
  font-family: var(--bc-mono);
  font-size: 13.5px;
  color: var(--bc-rose-2);
  font-variant-numeric: tabular-nums;
}
:root[data-theme="dark"] .bc-subtotal b { color: var(--bc-rose); }

.bc-stmt-total {
  position: relative;
  margin-top: 6px;
  padding: 17px 20px 18px;
  background: linear-gradient(145deg, var(--bc-deep), var(--bc-deep-2));
  color: #fff;
  overflow: hidden;
}
.bc-stmt-total::after {
  content: "";
  position: absolute;
  top: -40px;
  right: -30px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
}
.bc-stmt-total > span {
  display: block;
  font-size: 11.5px;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .72);
}
.bc-total-num {
  display: flex;
  align-items: baseline;
  gap: 7px;
  flex-wrap: wrap;
  margin-top: 3px;
}
.bc-total-num b {
  font-family: var(--bc-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.bc-total-num i { font-style: normal; color: rgba(255, 255, 255, .55); }
.bc-total-band {
  position: relative;
  height: 5px;
  margin-top: 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .2);
  overflow: hidden;
}
.bc-total-band i {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 0;
  height: 100%;
  border-radius: 999px;
  background: #fff;
  transition: left .3s ease, width .3s ease;
}
.bc-stmt-total p {
  position: relative;
  z-index: 1;
  margin: 9px 0 0;
  font-size: 11px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .72);
}

.bc-stmt-mid {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  padding: 12px 20px;
  background: var(--bc-bg);
  border-bottom: 1px solid var(--bc-line-2);
  font-size: 11.5px;
  color: var(--bc-ink-3);
}
.bc-stmt-mid b {
  font-family: var(--bc-mono);
  font-size: 15px;
  color: var(--bc-ink);
  font-variant-numeric: tabular-nums;
}
.bc-stmt-mid em {
  flex: 1 1 100%;
  font-style: normal;
  font-size: 10.5px;
  color: var(--bc-ink-3);
  text-align: right;
}

.bc-stmt-foot { padding: 13px 20px 18px; }
.bc-hint {
  padding: 9px 11px;
  font-size: 11px;
  line-height: 1.65;
  color: var(--bc-ink-2);
  background: var(--bc-bg);
  border-radius: 7px;
  border-left: 2px solid var(--bc-green);
}
.bc-hint.is-warn {
  border-left-color: var(--bc-rose);
  background: var(--bc-rose-soft);
  color: var(--bc-rose-2);
}
:root[data-theme="dark"] .bc-hint.is-warn { color: var(--bc-rose); }

.bc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.bc-actions .bc-btn {
  flex: 1 1 auto;
  padding: 9px 12px;
  font-size: 12.5px;
}

/* ==========================================================================
   区块（敏感度 / 批量）
   ========================================================================== */
.bc-sec {
  background: var(--bc-card);
  border: 1px solid var(--bc-line);
  border-radius: 12px;
  box-shadow: var(--bc-shadow);
  padding: 24px 24px 26px;
  margin-bottom: 22px;
}
.bc-sec-head { margin-bottom: 16px; }
.bc-sec-head h2 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-family: var(--bc-serif);
  font-size: 21px;
  font-weight: 600;
  color: var(--bc-ink);
}
.bc-sec-head h2 em {
  font-family: var(--bc-mono);
  font-style: normal;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--bc-rose);
  padding: 2px 7px;
  border: 1px solid var(--bc-rose-line);
  border-radius: 5px;
  background: var(--bc-rose-soft);
}
.bc-sec-head p {
  max-width: 860px;
  margin: 7px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--bc-ink-3);
}

/* ---------- 表格 ---------- */
.bc-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.bc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  min-width: 560px;
}
.bc-table thead th {
  padding: 9px 12px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--bc-ink-3);
  background: var(--bc-bg);
  border-bottom: 1px solid var(--bc-line);
  white-space: nowrap;
}
.bc-table tbody td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--bc-line-2);
  color: var(--bc-ink-2);
  vertical-align: middle;
}
.bc-table tbody tr:last-child td { border-bottom: 0; }
.bc-table tbody tr:hover td { background: var(--bc-rose-soft); }
.bc-table td.num {
  font-family: var(--bc-mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.bc-table td.num.hi { color: var(--bc-rose-2); }
.bc-table td.num.mid { color: var(--bc-green); font-weight: 600; }
:root[data-theme="dark"] .bc-table td.num.hi { color: var(--bc-rose); }
.bc-table tr.is-current td {
  background: var(--bc-rose-soft);
  font-weight: 600;
  color: var(--bc-ink);
}
.bc-table tr.is-current td:first-child { box-shadow: inset 3px 0 0 var(--bc-rose); }
.bc-table tr.empty td {
  padding: 26px 12px;
  text-align: center;
  font-size: 12.5px;
  color: var(--bc-ink-3);
}
.bc-table tr.empty:hover td { background: transparent; }

.bc-tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  border-radius: 4px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.bc-tag.t-full { color: var(--bc-rose-2); background: var(--bc-rose-soft); border-color: var(--bc-rose-line); }
.bc-tag.t-main { color: var(--bc-gold); background: var(--bc-gold-soft); border-color: rgba(169, 123, 63, .25); }
.bc-tag.t-minor { color: var(--bc-ink-2); background: var(--bc-bg-2); border-color: var(--bc-line); }
.bc-tag.t-slight { color: var(--bc-ink-3); background: transparent; border-color: var(--bc-line); }
:root[data-theme="dark"] .bc-tag.t-full { color: var(--bc-rose); }
:root[data-theme="dark"] .bc-tag.t-main { color: var(--bc-gold); border-color: rgba(216, 173, 116, .28); }

/* ---------- 批量 ---------- */
.bc-batch textarea {
  display: block;
  width: 100%;
  min-height: 132px;
  padding: 13px 15px;
  font-family: var(--bc-mono);
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--bc-ink);
  background: var(--bc-bg);
  border: 1px solid var(--bc-line);
  border-radius: 9px;
  outline: 0;
  resize: vertical;
  transition: border-color .18s, box-shadow .18s;
}
.bc-batch textarea:focus {
  border-color: var(--bc-rose);
  background: var(--bc-card);
  box-shadow: 0 0 0 3px rgba(179, 64, 95, .1);
}
.bc-batch textarea::placeholder { color: var(--bc-ink-3); }
.bc-batch-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 11px;
}
.bc-batch-bar .bc-btn { padding: 9px 16px; font-size: 12.5px; }
.bc-batch-count {
  margin-left: auto;
  font-family: var(--bc-mono);
  font-size: 11.5px;
  color: var(--bc-ink-3);
}
.bc-batch-err {
  display: none;
  margin-top: 10px;
  padding: 10px 13px;
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--bc-rose-2);
  background: var(--bc-rose-soft);
  border-left: 2px solid var(--bc-rose);
  border-radius: 0 6px 6px 0;
}
:root[data-theme="dark"] .bc-batch-err { color: var(--bc-rose); }
.bc-batch-err.show { display: block; }
.bc-batch .bc-table-wrap { margin-top: 12px; }
.bc-batch-note {
  margin: 12px 0 0;
  font-size: 11.5px;
  line-height: 1.75;
  color: var(--bc-ink-3);
}

/* ==========================================================================
   AI 区块
   ========================================================================== */
.bc-note {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  padding: 22px 24px;
  margin-bottom: 22px;
  background:
    linear-gradient(120deg, rgba(27, 28, 34, .03), transparent 62%),
    var(--bc-card);
  border: 1px solid var(--bc-line);
  border-radius: 12px;
  box-shadow: var(--bc-shadow);
}
.bc-note-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  font-family: var(--bc-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: #fff;
  background: linear-gradient(140deg, var(--bc-deep), #5e1f33);
  border-radius: 11px;
  box-shadow: 0 10px 20px -14px rgba(179, 64, 95, .9);
}
.bc-note-body { flex: 1 1 300px; min-width: 0; }
.bc-note-body h3 {
  margin: 0;
  font-family: var(--bc-serif);
  font-size: 16.5px;
  font-weight: 600;
  color: var(--bc-ink);
}
.bc-note-body p {
  margin: 5px 0 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--bc-ink-3);
}
.bc-ai-status {
  flex: 1 1 100%;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--bc-ink-2);
}
.bc-ai-status:empty { display: none; }
.bc-ai-status.is-loading { color: var(--bc-ink-3); }
.bc-ai-status.is-error { color: var(--bc-rose-2); }
:root[data-theme="dark"] .bc-ai-status.is-error { color: var(--bc-rose); }
.bc-ai-status .ai-title {
  display: block;
  margin: 12px 0 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--bc-rose-2);
}
:root[data-theme="dark"] .bc-ai-status .ai-title { color: var(--bc-rose); }
.bc-ai-status p { margin: 0 0 8px; }

/* ==========================================================================
   文档
   ========================================================================== */
.bc-docs {
  margin-top: 6px;
  padding: 28px 28px 30px;
  background: var(--bc-card);
  border: 1px solid var(--bc-line);
  border-radius: 12px;
  box-shadow: var(--bc-shadow);
}
.bc-docs-head { max-width: 900px; margin-bottom: 22px; }
.bc-docs-head h2 {
  margin: 0;
  font-family: var(--bc-serif);
  font-size: 25px;
  line-height: 1.42;
  font-weight: 600;
  color: var(--bc-ink);
}
.bc-docs-head p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--bc-ink-2);
}
.bc-docs-head b { color: var(--bc-ink); font-weight: 650; }

.bc-docs-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.bc-doc {
  padding: 20px 22px;
  background: var(--bc-bg);
  border: 1px solid var(--bc-line);
  border-radius: 10px;
}
.bc-doc.wide { grid-column: 1 / -1; }
.bc-doc h3 {
  margin: 0 0 10px;
  font-family: var(--bc-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--bc-ink);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--bc-line);
}
.bc-doc p {
  margin: 0 0 9px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--bc-ink-2);
}
.bc-doc p:last-child { margin-bottom: 0; }
.bc-doc b { color: var(--bc-ink); font-weight: 650; }
.bc-doc .bc-table-wrap { margin-top: 4px; }
.bc-rule { min-width: 640px; background: var(--bc-card); }
.bc-rule tbody td:first-child {
  font-weight: 600;
  color: var(--bc-ink);
  white-space: nowrap;
}

/* FAQ */
.bc-faq { display: flex; flex-direction: column; }
.bc-faq details { border-bottom: 1px solid var(--bc-line); }
.bc-faq details:last-child { border-bottom: 0; }
.bc-faq summary {
  position: relative;
  padding: 12px 30px 12px 0;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--bc-ink);
  cursor: pointer;
  list-style: none;
}
.bc-faq summary::-webkit-details-marker { display: none; }
.bc-faq summary::after {
  content: "+";
  position: absolute;
  top: 10px;
  right: 2px;
  font-family: var(--bc-mono);
  font-size: 16px;
  font-weight: 400;
  color: var(--bc-rose);
  line-height: 1;
}
.bc-faq details[open] summary::after { content: "−"; }
.bc-faq details[open] summary { color: var(--bc-rose-2); }
:root[data-theme="dark"] .bc-faq details[open] summary { color: var(--bc-rose); }
.bc-faq-body {
  padding: 0 8px 14px 0;
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--bc-ink-2);
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1180px) {
  .bc-hero { grid-template-columns: minmax(0, 1fr) 360px; gap: 28px; }
  .bc-hero h1 { font-size: 36px; }
  .bc-mirror-num b { font-size: 22px; }
  .bc-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 1080px) {
  .bc-work { grid-template-columns: minmax(0, 1fr) 340px; }
  .bc-hero { grid-template-columns: minmax(0, 1fr) 320px; padding: 32px 28px; }
  .bc-hero h1 { font-size: 32px; }
  .bc-docs-grid { grid-template-columns: minmax(0, 1fr); }
  .bc-doc.wide { grid-column: auto; }
}

@media (max-width: 900px) {
  .bc-hero { grid-template-columns: minmax(0, 1fr); }
  .bc-hero::after { display: none; }
  .bc-mirror { max-width: 480px; }
  .bc-work { grid-template-columns: minmax(0, 1fr); }
  .bc-col-side { order: -1; }
  .bc-stmt { position: static; }
  .bc-sec { padding: 20px 18px 22px; }
  .bc-docs { padding: 22px 18px 24px; }
  .bc-docs-head h2 { font-size: 22px; }
}

@media (max-width: 620px) {
  .bc-wrap { padding: 0 16px; }
  .bc-hero { padding: 26px 20px; border-radius: 12px; }
  .bc-hero h1 { font-size: 27px; }
  .bc-sub { font-size: 13.5px; }
  .bc-mirror { padding: 18px 16px 16px; }
  .bc-mirror-num b { font-size: 20px; }
  .bc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bc-refunds { grid-template-columns: minmax(0, 1fr); }
  .bc-resp { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bc-block-head { padding: 15px 16px 12px; }
  .bc-block-body { padding: 15px 16px 18px; }
  .bc-sec-head h2 { font-size: 18px; }
  .bc-fraud { flex-wrap: wrap; gap: 12px; }
  .bc-stmt-head { padding: 16px 16px 13px; }
  .bc-stmt-group { padding: 13px 16px 4px; }
  .bc-stmt-total { padding: 16px 16px 17px; }
  .bc-stmt-mid { padding: 11px 16px; }
  .bc-stmt-foot { padding: 12px 16px 16px; }
  .bc-total-num b { font-size: 18px; }
  .bc-note { padding: 18px 18px; }
  .bc-batch-count { margin-left: 0; flex: 1 1 100%; }
}

@media (max-width: 420px) {
  .bc-hero h1 { font-size: 24px; }
  .bc-hero-actions .bc-btn { flex: 1 1 100%; }
  .bc-grid { grid-template-columns: minmax(0, 1fr); }
  .bc-chips button { padding: 6px 12px; font-size: 12px; }
  .bc-table { font-size: 12px; }
  .bc-actions .bc-btn { flex: 1 1 100%; }
}