.page-faq {
  --faq-gap: 10px;
  --faq-block-gap: 40px;
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 28px 0 46px;
  background:
    radial-gradient(130% 100% at 10% -10%, rgba(53, 240, 200, 0.12) 0%, rgba(53, 240, 200, 0) 60%),
    linear-gradient(180deg, var(--ink) 0%, rgba(10, 46, 39, 0.72) 100%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 26px;
  margin-top: 20px;
}

.page-faq .faq-hero-lead h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7.2vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 12px 0 0;
  max-width: 18ch;
}

.page-faq .faq-hero-lead .eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--amber);
  margin: 0;
  text-transform: uppercase;
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 60ch;
  color: var(--text);
  font-size: 16.5px;
  line-height: 1.85;
}

.page-faq .faq-dials {
  display: grid;
  gap: 10px;
}

.page-faq .faq-dial {
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  background: var(--panel);
  padding: 13px 15px 15px;
}

.page-faq .faq-dial:nth-child(2) {
  border-left-color: var(--cyan);
}

.page-faq .faq-dial:nth-child(3) {
  border-left-color: var(--amber);
}

.page-faq .faq-dial-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.page-faq .faq-dial-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .faq-dial-value {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
  margin: 8px 0 4px;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-dial:nth-child(3) .faq-dial-value {
  color: var(--amber);
  font-size: 24px;
}

.page-faq .faq-dial-value em {
  font-style: normal;
  font-size: 14px;
  color: var(--muted);
  margin-left: 4px;
  letter-spacing: 0.04em;
}

.page-faq .faq-dial-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 30px;
  padding-top: 32px;
  padding-bottom: 64px;
}

.page-faq .faq-rail {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 14px 16px 16px;
}

.page-faq .faq-rail-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin: 0 0 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-rail .rail-link {
  color: var(--text);
  font-size: 14.5px;
}

.page-faq .faq-rail .rail-idx {
  font-family: var(--font-mono);
  color: var(--amber);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-block {
  scroll-margin-top: 92px;
  margin-bottom: var(--faq-block-gap);
}

.page-faq .faq-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 20px;
}

.page-faq .faq-head-num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .faq-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0;
}

.page-faq .faq-head-note {
  flex: 1 1 100%;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  background: var(--panel);
  margin-bottom: var(--faq-gap);
}

.page-faq #entry .qa {
  border-left-color: var(--cyan);
}

.page-faq #panel .qa {
  border-left-color: var(--amber);
}

.page-faq #report .qa {
  border-left-color: var(--teal);
}

.page-faq #device .qa {
  border-left-color: var(--muted);
}

.page-faq .qa > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 15px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

.page-faq .qa > summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa > summary:hover {
  background: rgba(53, 240, 200, 0.06);
}

.page-faq .qa > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .qa-q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--text);
}

.page-faq .qa-mark {
  flex: none;
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 7px;
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform var(--dur) var(--ease);
}

.page-faq .qa-mark::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .qa-mark::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .qa[open] .qa-mark::after {
  transform: scaleY(0);
}

.page-faq .qa[open] > summary {
  background: rgba(53, 240, 200, 0.05);
}

.page-faq .qa-body {
  padding: 14px 15px 16px;
  border-top: 1px solid var(--line);
}

/* ---------- 步骤 ---------- */
.page-faq .steps {
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .steps > li {
  counter-increment: step;
  position: relative;
  padding: 0 0 18px 42px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--text);
}

.page-faq .steps > li:last-child {
  padding-bottom: 4px;
}

.page-faq .steps > li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 26px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
  background: rgba(53, 240, 200, 0.08);
  border: 1px solid var(--teal);
}

.page-faq .steps > li::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 28px;
  bottom: 2px;
  width: 1px;
  background: var(--line);
}

.page-faq .steps > li:last-child::after {
  display: none;
}

.page-faq .steps a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 自查勾选 ---------- */
.page-faq .check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px dashed var(--line);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .check:hover {
  border-color: var(--teal);
}

.page-faq .check input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 16px;
  height: 16px;
  margin: 4px 0 0;
  border: 1px solid var(--teal);
  background: transparent;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .check input:checked {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .check input:checked::after {
  content: "";
  width: 4px;
  height: 8px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(45deg) translate(-1px, -1px);
}

.page-faq .check input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .check span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .check input:checked + span {
  color: var(--text);
}

/* ---------- 提示带 ---------- */
.page-faq .cue {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin: -14px 0 34px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 162, 60, 0.5);
  border-left: 4px solid var(--amber);
  background: rgba(255, 162, 60, 0.07);
}

.page-faq .cue-mark {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
  padding-top: 4px;
}

.page-faq .cue p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .cue a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: -14px 0 34px;
}

.page-faq .faq-figure .img-frame {
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-faq .faq-figure .img-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 段落内联补充 ---------- */
.page-faq .faq-inline {
  margin: 22px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: var(--panel);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 转人工 ---------- */
.page-faq .faq-block--human {
  margin-bottom: 0;
}

.page-faq .human-card {
  display: grid;
  gap: 22px;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 20px 18px 22px;
}

.page-faq .faq-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact-item {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-contact-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-contact-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .faq-contact-val {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  word-break: break-word;
}

.page-faq .faq-contact-item:nth-child(1) .faq-contact-val,
.page-faq .faq-contact-item:nth-child(2) .faq-contact-val {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-faq .human-side-text {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .human-actions {
  gap: 10px;
}

.page-faq .faq-fineprint {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-fineprint a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 焦点与动效 ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-dials {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-dials .faq-dial:first-child {
    grid-column: span 2;
  }

  .page-faq .faq-rail .rail-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 20px;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 24px;
  }

  .page-faq .faq-contact-item:nth-child(2) {
    border-bottom: 1px dashed var(--line);
  }

  .page-faq .human-card {
    padding: 24px 24px 26px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-hero {
    padding: 36px 0 60px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: end;
    margin-top: 26px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 48px;
    padding-top: 44px;
    padding-bottom: 84px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-rail .rail-list {
    display: grid;
    gap: 2px;
  }

  .page-faq .faq-dials {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-dials .faq-dial:first-child {
    grid-column: auto;
  }

  .page-faq .faq-head h2 {
    font-size: clamp(28px, 3vw, 36px);
  }

  .page-faq .qa > summary {
    padding: 16px 20px;
  }

  .page-faq .qa-body {
    padding: 16px 20px 20px;
  }

  .page-faq .human-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
    padding: 28px 28px 30px;
  }

  .page-faq .faq-contact {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-contact-item:nth-child(2) {
    border-bottom: 1px dashed var(--line);
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 56px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .qa > summary,
  .page-faq .qa-mark::before,
  .page-faq .qa-mark::after,
  .page-faq .check,
  .page-faq .check input {
    transition: none;
  }
}