.page-faq {
  --faq-gap: clamp(46px, 7vw, 92px);
  --faq-teal-line: rgba(47, 182, 161, .42);
  --faq-amber-line: rgba(233, 166, 60, .46);
  padding-bottom: clamp(64px, 10vw, 128px);
}

.page-faq .sec {
  padding-top: var(--faq-gap);
}

.page-faq .sec:first-of-type {
  padding-top: 24px;
}

.page-faq .crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding-top: 18px;
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: .04em;
}

.page-faq .crumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .crumb a:hover {
  color: var(--amber);
  border-bottom-color: var(--faq-amber-line);
}

.page-faq .crumb__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
}

.page-faq .faq-hero__vnote {
  position: absolute;
  top: 34px;
  right: 0;
  display: none;
}

.page-faq .faq-kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--amber);
}

.page-faq .faq-title {
  margin: 0 0 18px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 7.4vw, 54px);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-faq .sec-lead {
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--ink-800);
  color: var(--muted);
  font-size: 13.5px;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-chip:hover {
  transform: translateY(-2px);
  color: var(--amber-soft);
  border-color: var(--faq-amber-line);
}

.page-faq .faq-chip--teal {
  color: var(--teal-soft);
  border-color: var(--faq-teal-line);
}

.page-faq .faq-chip--teal:hover {
  color: var(--teal-soft);
  border-color: var(--teal);
  background: var(--ink-900);
}

.page-faq .faq-chip--amber {
  color: var(--amber-soft);
  border-color: var(--faq-amber-line);
}

/* ---------- 章节头 ---------- */

.page-faq .sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding-bottom: 16px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.page-faq .sec-head__idx {
  color: var(--amber);
  font-size: 26px;
  line-height: 1;
}

.page-faq .sec-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 4.4vw, 28px);
  letter-spacing: -.01em;
  color: var(--text);
}

.page-faq .sec-head__meta {
  flex: 1 1 100%;
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--muted);
}

.page-faq .num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
}

.page-faq .num--inline {
  color: var(--amber-soft);
  font-size: 1.3em;
  line-height: 1;
  padding: 0 1px;
}

.page-faq .num--lg {
  font-size: 1.5em;
}

/* ---------- 三步自查 ---------- */

.page-faq .faq-steps__grid {
  display: grid;
  gap: 26px;
}

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

.page-faq .step {
  position: relative;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: 0 10px 22px -16px rgba(0, 0, 0, .9);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .step:hover {
  transform: translateY(-4px);
  border-color: var(--faq-amber-line);
  box-shadow: 0 18px 30px -18px rgba(0, 0, 0, .95);
}

.page-faq .step__num {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--ink-900);
  color: var(--amber);
  font-size: 22px;
  font-weight: 700;
}

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

.page-faq .step__title {
  margin: 4px 0 8px;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 800;
  color: var(--text);
}

.page-faq .step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-steps__media {
  margin: 0;
}

/* ---------- 问答 ---------- */

.page-faq .faq-item {
  margin-bottom: 10px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--line);
  box-shadow: 0 14px 26px -20px rgba(0, 0, 0, .95);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-amber-line);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

.page-faq .faq-q::-webkit-details-marker {
  display: none;
}

.page-faq .faq-q::marker {
  content: "";
}

.page-faq .faq-q:hover {
  background: rgba(35, 44, 68, .5);
}

.page-faq .faq-q__text {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--text);
}

.page-faq .faq-q::after {
  content: "";
  flex: 0 0 auto;
  margin-left: auto;
  margin-top: 7px;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--amber);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-q::after {
  transform: rotate(180deg);
}

.page-faq .faq-a {
  padding: 14px 18px 18px;
  border-top: 1px solid var(--line);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

.page-faq .faq-a p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-a a {
  color: var(--teal-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-teal-line);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-a a:hover {
  color: var(--amber-soft);
  border-bottom-color: var(--amber);
}

/* ---------- 结尾联系 ---------- */

.page-faq .faq-help {
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-faq .help-grid {
  display: grid;
  gap: 28px;
}

.page-faq .help-main {
  min-width: 0;
}

.page-faq .help-mail {
  display: block;
  margin: 24px 0;
  padding: 18px 20px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--r-md);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .help-mail:hover {
  transform: translateY(-3px);
  border-color: var(--faq-amber-line);
}

.page-faq .help-mail__label {
  display: block;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--muted);
  margin-bottom: 8px;
}

.page-faq .help-mail__value {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(16px, 3.6vw, 21px);
  color: var(--amber-soft);
  word-break: break-all;
}

.page-faq .help-list {
  margin-top: 8px;
}

.page-faq .help-list__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 800;
}

.page-faq .help-list__items {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .help-list__items li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .help-list__items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

.page-faq .help-foot {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .help-foot a {
  color: var(--teal-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-teal-line);
}

.page-faq .help-foot a:hover {
  color: var(--amber-soft);
  border-bottom-color: var(--amber);
}

.page-faq .help-media {
  margin: 0;
}

/* ---------- 断点 ---------- */

@media (min-width: 620px) {
  .page-faq .faq-hero__vnote {
    display: block;
  }

  .page-faq .faq-tabs {
    gap: 11px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-steps__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
    gap: 34px;
  }

  .page-faq .steplist {
    gap: 16px;
  }

  .page-faq .step {
    flex-direction: column;
    padding: 20px;
  }

  .page-faq .step::after {
    content: "";
    position: absolute;
    top: 44px;
    left: 74px;
    right: -16px;
    height: 1px;
    background: var(--line);
  }

  .page-faq .step:last-child::after {
    display: none;
  }

  .page-faq .step__title {
    margin-top: 12px;
  }

  .page-faq .help-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
    gap: 44px;
  }

  .page-faq .sec-head__meta {
    flex: 0 1 auto;
    margin-left: auto;
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step,
  .page-faq .faq-chip,
  .page-faq .help-mail,
  .page-faq .faq-q::after {
    transition: none;
  }

  .page-faq .step:hover,
  .page-faq .faq-chip:hover,
  .page-faq .help-mail:hover {
    transform: none;
  }
}