/* ============================================================
   骑行 FTP 与功体比计算器 · 独立视觉：碳纤黑 + 荧光绿
   ============================================================ */

.cfw-page {
  --cfw-bg: #f3f5f1;
  --cfw-bg-2: #e8ece3;
  --cfw-card: #ffffff;
  --cfw-soft: #f4f6f1;
  --cfw-soft-2: #e6eadf;
  --cfw-ink: #121712;
  --cfw-muted: #5f6b60;
  --cfw-line: #dde3d8;
  --cfw-volt: #b6e01c;
  --cfw-volt-deep: #6f8f00;
  --cfw-ok: #1f7a45;
  --cfw-warn: #a45b06;
  --cfw-bad: #b42318;
  --cfw-shadow: 0 14px 36px rgba(21, 34, 18, .08);

  --cfw-z1: #6f8074;
  --cfw-z2: #2f9a68;
  --cfw-z3: #38a99a;
  --cfw-z4: #7d9c00;
  --cfw-z5: #c98a08;
  --cfw-z6: #d1661e;
  --cfw-z7: #c93535;

  background: var(--cfw-bg);
  color: var(--cfw-ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.78;
  padding-bottom: 48px;
  transition: background-color .2s ease, color .2s ease;
}

:root[data-theme="dark"] .cfw-page {
  --cfw-bg: #090d0a;
  --cfw-bg-2: #101610;
  --cfw-card: #111813;
  --cfw-soft: #161f18;
  --cfw-soft-2: #1e2820;
  --cfw-ink: #e9efe6;
  --cfw-muted: #9aa89a;
  --cfw-line: #28332a;
  --cfw-volt: #d2f43c;
  --cfw-volt-deep: #a8c82a;
  --cfw-ok: #5fd39c;
  --cfw-warn: #f0b45f;
  --cfw-bad: #f08a80;
  --cfw-shadow: 0 14px 36px rgba(0, 0, 0, .5);

  --cfw-z1: #8fa196;
  --cfw-z2: #56cf96;
  --cfw-z3: #5fd0c6;
  --cfw-z4: #c8ec4a;
  --cfw-z5: #f0b45f;
  --cfw-z6: #f09a62;
  --cfw-z7: #f08080;
}

html[data-theme="dark"] .cfw-page { color-scheme: dark; }

.cfw-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 20px 0;
}

/* ---------- 面包屑 ---------- */
.cfw-crumb { font-size: 13px; color: var(--cfw-muted); margin-bottom: 14px; }
.cfw-crumb a { color: var(--cfw-muted); text-decoration: none; }
.cfw-crumb a:hover { color: var(--cfw-volt-deep); }

/* ---------- Hero（固定深色碳纤面板） ---------- */
.cfw-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 288px;
  gap: 24px;
  align-items: center;
  background:
    repeating-linear-gradient(115deg, rgba(255, 255, 255, .035) 0 2px, transparent 2px 9px),
    radial-gradient(520px 240px at 92% -30%, rgba(201, 242, 39, .24), transparent 70%),
    linear-gradient(135deg, #111814, #080b09 72%);
  border: 1px solid #22301f;
  border-radius: 22px;
  padding: 28px 30px;
  box-shadow: 0 18px 44px rgba(8, 14, 8, .28);
  margin-bottom: 20px;
  color: #f2f7ee;
}
.cfw-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--cfw-volt);
  background: rgba(201, 242, 39, .1);
  border: 1px solid rgba(201, 242, 39, .28);
  border-radius: 999px;
  padding: 3px 11px;
  margin-bottom: 10px;
}
.cfw-hero h1 {
  font-size: 30px;
  line-height: 1.3;
  margin: 0 0 10px;
  letter-spacing: -.015em;
  color: #ffffff;
}
.cfw-hero p { margin: 0; font-size: 14.5px; color: #b9c6b7; max-width: 640px; }
.cfw-hero p b { color: var(--cfw-volt); font-weight: 600; }
.cfw-hero-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.cfw-hero-meta span {
  font-size: 12px;
  color: #cfdcc9;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 8px;
  padding: 4px 10px;
}

/* 仪表牌 */
.cfw-gauge {
  position: relative;
  border: 1px solid rgba(201, 242, 39, .32);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(201, 242, 39, .08), transparent 46%),
    rgba(255, 255, 255, .025);
  padding: 16px 18px 14px;
  box-shadow: inset 0 0 32px rgba(201, 242, 39, .06);
}
.cfw-gauge-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  font-size: 10px;
  letter-spacing: .18em;
  color: #93a392;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(255, 255, 255, .14);
}
.cfw-gauge-head b { color: var(--cfw-volt); letter-spacing: .12em; }
.cfw-gauge-main {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 12px 0 2px;
}
.cfw-gauge-main strong {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  font-size: 48px;
  line-height: 1;
  font-weight: 700;
  color: var(--cfw-volt);
  letter-spacing: -.03em;
}
.cfw-gauge-main em {
  font-style: normal;
  font-size: 12px;
  letter-spacing: .14em;
  color: #9fae9d;
}
.cfw-gauge-sub {
  font-size: 11px;
  color: #93a392;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  letter-spacing: .06em;
}
.cfw-gauge-bars {
  display: flex;
  gap: 4px;
  align-items: flex-end;
  height: 34px;
  margin-top: 12px;
}
.cfw-gauge-bars i {
  flex: 1;
  border-radius: 3px 3px 1px 1px;
  background: rgba(201, 242, 39, .2);
}
.cfw-gauge-bars i:nth-child(1) { height: 18%; background: rgba(201, 242, 39, .46); }
.cfw-gauge-bars i:nth-child(2) { height: 32%; background: rgba(201, 242, 39, .42); }
.cfw-gauge-bars i:nth-child(3) { height: 46%; background: rgba(201, 242, 39, .4); }
.cfw-gauge-bars i:nth-child(4) { height: 62%; background: rgba(201, 242, 39, .38); }
.cfw-gauge-bars i:nth-child(5) { height: 80%; background: rgba(201, 242, 39, .34); }
.cfw-gauge-bars i:nth-child(6) { height: 100%; background: var(--cfw-volt); }
.cfw-gauge-bars i:nth-child(7) { height: 72%; background: rgba(201, 242, 39, .26); }
.cfw-gauge-foot {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 9.5px;
  letter-spacing: .06em;
  color: #7d8c7b;
}

/* ---------- 提示 ---------- */
.cfw-error {
  display: none;
  margin-bottom: 16px;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  color: var(--cfw-bad);
  background: rgba(180, 35, 24, .07);
  border: 1px solid rgba(180, 35, 24, .22);
}
.cfw-error.on { display: block; }

/* ---------- 布局 ---------- */
.cfw-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 398px;
  gap: 20px;
  align-items: start;
  margin-bottom: 22px;
}
.cfw-col { min-width: 0; }

/* ---------- 卡片 ---------- */
.cfw-card {
  background: var(--cfw-card);
  border: 1px solid var(--cfw-line);
  border-radius: 18px;
  padding: 20px 22px;
  box-shadow: var(--cfw-shadow);
  margin-bottom: 18px;
}
.cfw-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.cfw-card-head h2 { font-size: 17px; margin: 0; letter-spacing: -.01em; }
.cfw-card-head span { font-size: 12.5px; color: var(--cfw-muted); }

/* ---------- 分段控件 ---------- */
.cfw-seg {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  background: var(--cfw-soft);
  border: 1px solid var(--cfw-line);
  border-radius: 11px;
  padding: 4px;
}
.cfw-seg.two { grid-template-columns: 1fr 1fr; }
.cfw-seg label { min-width: 0; }
.cfw-seg input { position: absolute; opacity: 0; pointer-events: none; }
.cfw-seg span {
  display: block;
  text-align: center;
  font-size: 12.5px;
  line-height: 34px;
  border-radius: 8px;
  color: var(--cfw-muted);
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cfw-seg input:checked + span {
  background: var(--cfw-ink);
  color: var(--cfw-card);
  font-weight: 600;
}
.cfw-seg input:focus-visible + span { box-shadow: 0 0 0 3px rgba(182, 224, 28, .32); }

/* ---------- 表单 ---------- */
.cfw-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px 16px;
  margin-top: 14px;
}
.cfw-field { min-width: 0; }
.cfw-field.full { grid-column: 1 / -1; }
.cfw-field > label { display: block; font-size: 12.5px; color: var(--cfw-muted); margin-bottom: 5px; }
.cfw-unit {
  display: flex;
  align-items: center;
  background: var(--cfw-soft);
  border: 1px solid var(--cfw-line);
  border-radius: 11px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.cfw-unit:focus-within {
  border-color: var(--cfw-volt);
  box-shadow: 0 0 0 3px rgba(182, 224, 28, .22);
}
.cfw-unit input {
  flex: 1;
  min-width: 0;
  height: 44px;
  padding: 0 12px;
  border: 0;
  background: transparent;
  color: var(--cfw-ink);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  font-size: 15.5px;
  outline: none;
}
.cfw-unit em {
  font-style: normal;
  font-size: 12px;
  color: var(--cfw-muted);
  padding-right: 12px;
  white-space: nowrap;
}
.cfw-hint { margin: 12px 0 0; font-size: 12.5px; color: var(--cfw-muted); }
.cfw-hint b { color: var(--cfw-ink); }

/* ---------- 按钮 ---------- */
.cfw-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 16px; }
.cfw-btn {
  height: 42px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: var(--cfw-volt);
  color: #10160d;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .12s ease, filter .15s ease, background-color .15s ease;
}
.cfw-btn:hover { filter: brightness(.95); }
.cfw-btn:active { transform: translateY(1px); }
.cfw-btn.ghost {
  background: var(--cfw-card);
  border-color: var(--cfw-line);
  color: var(--cfw-ink);
  font-weight: 500;
}
.cfw-btn.ghost:hover { border-color: var(--cfw-volt); background: var(--cfw-soft); }
.cfw-btn.small { height: 36px; padding: 0 14px; font-size: 13px; }
.cfw-btn:disabled { opacity: .55; cursor: not-allowed; }

/* ---------- 批量 ---------- */
.cfw-batch-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.cfw-batch-top label { font-size: 12.5px; color: var(--cfw-muted); }
.cfw-select {
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--cfw-line);
  border-radius: 9px;
  background: var(--cfw-soft);
  color: var(--cfw-ink);
  font-family: inherit;
  font-size: 13px;
  outline: none;
}
.cfw-textarea {
  display: block;
  width: 100%;
  min-height: 118px;
  padding: 10px 12px;
  border: 1px solid var(--cfw-line);
  border-radius: 11px;
  background: var(--cfw-soft);
  color: var(--cfw-ink);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  font-size: 13px;
  line-height: 1.75;
  resize: vertical;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.cfw-textarea:focus {
  border-color: var(--cfw-volt);
  box-shadow: 0 0 0 3px rgba(182, 224, 28, .2);
  background: var(--cfw-card);
}
.cfw-batch-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.cfw-batch-count { margin-top: 9px; font-size: 12.5px; color: var(--cfw-muted); }
.cfw-batch-count b { color: var(--cfw-ink); }

/* ---------- 表格 ---------- */
.cfw-tbl-wrap {
  margin-top: 12px;
  overflow-x: auto;
  border: 1px solid var(--cfw-line);
  border-radius: 12px;
}
.cfw-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 480px; }
.cfw-table th {
  text-align: left;
  padding: 9px 12px;
  background: var(--cfw-soft);
  color: var(--cfw-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .02em;
  white-space: nowrap;
  border-bottom: 1px solid var(--cfw-line);
}
.cfw-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--cfw-line);
  vertical-align: middle;
}
.cfw-table tr:last-child td { border-bottom: 0; }
.cfw-table tbody tr:hover td { background: var(--cfw-soft); }
.cfw-num { font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace; }
.cfw-table .cfw-bad-text { color: var(--cfw-bad); }
.cfw-tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 11.5px;
  line-height: 1.7;
  background: var(--cfw-soft-2);
  color: var(--cfw-ink);
  white-space: nowrap;
}
.cfw-tag.ok { color: var(--cfw-ok); background: rgba(31, 122, 69, .1); }
.cfw-tag.warn { color: var(--cfw-warn); background: rgba(164, 91, 6, .1); }
.cfw-tag.bad { color: var(--cfw-bad); background: rgba(180, 35, 24, .09); }

/* ---------- 结果卡 ---------- */
.cfw-result {
  background:
    radial-gradient(340px 160px at 100% 0, rgba(182, 224, 28, .14), transparent 70%),
    var(--cfw-card);
  border: 1px solid var(--cfw-line);
  border-radius: 18px;
  padding: 20px 22px;
  box-shadow: var(--cfw-shadow);
  margin-bottom: 18px;
}
.cfw-result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.cfw-result-head h2 { font-size: 16px; margin: 0; }
.cfw-level {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  color: #12170f;
  background: var(--cfw-volt);
  white-space: nowrap;
}
.cfw-ftp {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 0 10px;
  border-bottom: 1px solid var(--cfw-line);
}
.cfw-ftp strong {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  font-size: 54px;
  line-height: 1;
  letter-spacing: -.04em;
}
.cfw-ftp em {
  font-style: normal;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--cfw-muted);
}
.cfw-basis { font-size: 12px; color: var(--cfw-muted); margin-top: 8px; }
.cfw-basis b { color: var(--cfw-ink); }

.cfw-kpis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--cfw-line);
  border: 1px solid var(--cfw-line);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 14px;
}
.cfw-kpi { background: var(--cfw-card); padding: 10px 12px; min-width: 0; }
.cfw-kpi small { display: block; font-size: 11.5px; color: var(--cfw-muted); margin-bottom: 2px; }
.cfw-kpi b {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  font-size: 20px;
  letter-spacing: -.02em;
}
.cfw-kpi span { font-size: 11px; color: var(--cfw-muted); margin-left: 3px; }

.cfw-zone-mini { margin-top: 14px; }
.cfw-zone-mini h3 { font-size: 13px; margin: 0 0 8px; color: var(--cfw-muted); font-weight: 600; }
.cfw-zone-mini ul { list-style: none; margin: 0; padding: 0; }
.cfw-zone-mini li {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 5px 0;
  border-bottom: 1px dashed var(--cfw-line);
  font-size: 12.5px;
}
.cfw-zone-mini li:last-child { border-bottom: 0; }
.cfw-zone-mini li i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
  background: var(--cfw-z1);
}
.cfw-zone-mini li.z2 i { background: var(--cfw-z2); }
.cfw-zone-mini li.z3 i { background: var(--cfw-z3); }
.cfw-zone-mini li.z4 i { background: var(--cfw-z4); }
.cfw-zone-mini li.z5 i { background: var(--cfw-z5); }
.cfw-zone-mini li.z6 i { background: var(--cfw-z6); }
.cfw-zone-mini li.z7 i { background: var(--cfw-z7); }
.cfw-zone-mini li span { color: var(--cfw-muted); flex: 1; min-width: 0; }
.cfw-zone-mini li b {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  font-size: 12.5px;
  white-space: nowrap;
}

.cfw-note {
  margin-top: 13px;
  padding: 9px 12px;
  border-radius: 10px;
  background: var(--cfw-soft);
  border: 1px solid var(--cfw-line);
  font-size: 12px;
  color: var(--cfw-muted);
  line-height: 1.65;
}
.cfw-note b { color: var(--cfw-ink); }

/* ---------- AI ---------- */
.cfw-ai {
  background: var(--cfw-card);
  border: 1px solid var(--cfw-line);
  border-radius: 18px;
  padding: 18px 20px;
  box-shadow: var(--cfw-shadow);
}
.cfw-ai-btn {
  width: 100%;
  height: 42px;
  border: 1px solid var(--cfw-volt-deep);
  border-radius: 10px;
  background: transparent;
  color: var(--cfw-volt-deep);
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease;
}
.cfw-ai-btn:hover { background: var(--cfw-volt); color: #12170f; border-color: var(--cfw-volt); }
.cfw-ai-btn:disabled { opacity: .55; cursor: not-allowed; }
.cfw-ai-note { margin: 8px 0 0; font-size: 11.5px; color: var(--cfw-muted); line-height: 1.6; }
.cfw-ai-status {
  display: none;
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--cfw-soft);
  border: 1px solid var(--cfw-line);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--cfw-ink);
  white-space: pre-wrap;
  word-break: break-word;
}
.cfw-ai-status.on { display: block; }
.cfw-ai-status.err { color: var(--cfw-bad); border-color: rgba(180, 35, 24, .3); background: rgba(180, 35, 24, .06); }

/* ---------- 区块 ---------- */
.cfw-block {
  background: var(--cfw-card);
  border: 1px solid var(--cfw-line);
  border-radius: 18px;
  padding: 22px 24px;
  box-shadow: var(--cfw-shadow);
  margin-bottom: 20px;
}
.cfw-block > h2 {
  font-size: 20px;
  margin: 0 0 6px;
  letter-spacing: -.01em;
}
.cfw-block > p.lead {
  margin: 0 0 16px;
  font-size: 13.5px;
  color: var(--cfw-muted);
}
.cfw-block > p b { color: var(--cfw-ink); }

/* 七区条 */
.cfw-zonebar {
  display: flex;
  height: 44px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--cfw-line);
  margin-bottom: 8px;
}
.cfw-zonebar i {
  display: block;
  min-width: 0;
  background: var(--cfw-z1);
  opacity: .85;
}
.cfw-zonebar i:nth-child(1) { flex: 9; background: var(--cfw-z1); }
.cfw-zonebar i:nth-child(2) { flex: 15; background: var(--cfw-z2); }
.cfw-zonebar i:nth-child(3) { flex: 14; background: var(--cfw-z3); }
.cfw-zonebar i:nth-child(4) { flex: 15; background: var(--cfw-z4); }
.cfw-zonebar i:nth-child(5) { flex: 14; background: var(--cfw-z5); }
.cfw-zonebar i:nth-child(6) { flex: 24; background: var(--cfw-z6); }
.cfw-zonebar i:nth-child(7) { flex: 9; background: var(--cfw-z7); }
.cfw-zonebar-legend {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--cfw-muted);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  margin-bottom: 16px;
}

.cfw-zone-table td:first-child { font-weight: 600; white-space: nowrap; }
.cfw-zone-table td:first-child i {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 7px;
  vertical-align: 1px;
  background: var(--cfw-z1);
}
.cfw-zone-table tr.z2 td:first-child i { background: var(--cfw-z2); }
.cfw-zone-table tr.z3 td:first-child i { background: var(--cfw-z3); }
.cfw-zone-table tr.z4 td:first-child i { background: var(--cfw-z4); }
.cfw-zone-table tr.z5 td:first-child i { background: var(--cfw-z5); }
.cfw-zone-table tr.z6 td:first-child i { background: var(--cfw-z6); }
.cfw-zone-table tr.z7 td:first-child i { background: var(--cfw-z7); }
.cfw-zone-table tr.z4 td { background: rgba(182, 224, 28, .08); font-weight: 600; }
.cfw-zone-watts {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  font-weight: 600;
  white-space: nowrap;
}

/* 等级表 */
.cfw-levels { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.cfw-levels h3 { font-size: 14px; margin: 0 0 8px; }
.cfw-levels table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.cfw-levels th, .cfw-levels td { padding: 7px 9px; border-bottom: 1px solid var(--cfw-line); text-align: left; }
.cfw-levels th { color: var(--cfw-muted); font-weight: 600; font-size: 11.5px; background: var(--cfw-soft); }
.cfw-levels td:last-child { font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace; white-space: nowrap; }

/* 测试流程 */
.cfw-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 4px;
}
.cfw-step {
  background: var(--cfw-soft);
  border: 1px solid var(--cfw-line);
  border-radius: 12px;
  padding: 12px 14px;
}
.cfw-step b {
  display: block;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cfw-volt-deep);
  margin-bottom: 4px;
}
.cfw-step h4 { margin: 0 0 4px; font-size: 13.5px; }
.cfw-step p { margin: 0; font-size: 12px; color: var(--cfw-muted); line-height: 1.65; }

/* FAQ */
.cfw-faq details {
  border: 1px solid var(--cfw-line);
  border-radius: 12px;
  padding: 0 16px;
  margin-bottom: 9px;
  background: var(--cfw-card);
}
.cfw-faq summary {
  cursor: pointer;
  list-style: none;
  padding: 12px 0;
  font-size: 14px;
  font-weight: 600;
  position: relative;
  padding-right: 24px;
}
.cfw-faq summary::-webkit-details-marker { display: none; }
.cfw-faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: ui-monospace, monospace;
  color: var(--cfw-muted);
  font-size: 16px;
}
.cfw-faq details[open] summary::after { content: "–"; }
.cfw-faq details p {
  margin: 0 0 13px;
  font-size: 13px;
  color: var(--cfw-muted);
  line-height: 1.8;
}
.cfw-faq details p b { color: var(--cfw-ink); }

.cfw-disclaimer {
  font-size: 12px;
  color: var(--cfw-muted);
  line-height: 1.8;
  padding: 14px 16px;
  border: 1px dashed var(--cfw-line);
  border-radius: 12px;
  background: var(--cfw-soft);
}

.cfw-page [hidden] { display: none !important; }
.cfw-copy-holder {
  position: fixed;
  left: -9999px;
  top: 0;
  opacity: 0;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1060px) {
  .cfw-grid { grid-template-columns: 1fr; }
  .cfw-hero { grid-template-columns: minmax(0, 1fr) 250px; }
  .cfw-result, .cfw-ai { max-width: none; }
  .cfw-steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .cfw-shell { padding: 14px 14px 0; }
  .cfw-hero { grid-template-columns: 1fr; padding: 22px 20px; }
  .cfw-gauge { max-width: 320px; }
  .cfw-hero h1 { font-size: 25px; }
  .cfw-grid { gap: 16px; }
  .cfw-card, .cfw-block, .cfw-result, .cfw-ai { padding: 17px 16px; border-radius: 15px; }
  .cfw-fields { grid-template-columns: 1fr; }
  .cfw-seg { grid-template-columns: 1fr 1fr; }
  .cfw-levels { grid-template-columns: 1fr; }
  .cfw-ftp strong { font-size: 46px; }
  .cfw-zonebar { height: 34px; }
  .cfw-block > h2 { font-size: 18px; }
}

@media (max-width: 420px) {
  .cfw-hero { padding: 18px 16px; }
  .cfw-hero h1 { font-size: 22px; }
  .cfw-hero p { font-size: 13.5px; }
  .cfw-gauge-main strong { font-size: 40px; }
  .cfw-actions .cfw-btn { flex: 1 1 calc(50% - 9px); padding: 0 10px; }
  .cfw-kpis { grid-template-columns: 1fr; }
  .cfw-steps { grid-template-columns: 1fr; }
  .cfw-batch-top { flex-wrap: wrap; }
  .cfw-card-head { flex-wrap: wrap; gap: 4px; }
}

/* ---------- 打印 ---------- */
@media print {
  .cfw-page { background: #fff; color: #000; padding: 0; }
  .cfw-crumb, .cfw-hero, .cfw-ai, .cfw-actions, .cfw-batch-top,
  .cfw-textarea, .cfw-batch-actions, .cfw-faq { display: none !important; }
  .cfw-shell { max-width: none; padding: 0; }
  .cfw-grid { display: block; }
  .cfw-card, .cfw-block, .cfw-result { box-shadow: none; border-color: #ccc; page-break-inside: avoid; }
}