.page-faq {
  --faq-body: #3F3A34;
  --faq-jade-lite: #7FBFB0;
  --faq-red-lite: #E08C7A;
  --faq-warm-lite: #CFC5B4;
  --faq-rail: 264px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-faq img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-faq__crumbs {
  padding: 22px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-faq__hero {
  position: relative;
  margin-top: 12px;
  background: var(--ink);
  color: var(--paper);
  padding: 40px 0 46px;
}

.page-faq__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(200, 162, 74, 0.20), transparent 62%),
    repeating-linear-gradient(90deg, rgba(247, 241, 230, 0.05) 0 1px, transparent 1px 72px);
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--gold) 0 34%,
    var(--cinnabar) 34% 52%,
    var(--jade) 52% 70%,
    rgba(200, 162, 74, 0.25) 70% 100%
  );
}

.page-faq__hero-inner {
  position: relative;
  display: grid;
  gap: 30px;
}

.page-faq__eyebrow {
  color: var(--gold);
  letter-spacing: 0.16em;
  margin: 0 0 10px;
}

.page-faq__title {
  font-family: var(--font-head);
  font-size: clamp(27px, 6.4vw, 46px);
  line-height: 1.24;
  margin: 0 0 16px;
  letter-spacing: 0.01em;
}

.page-faq__lead {
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(247, 241, 230, 0.84);
  max-width: 62ch;
  margin: 0;
}

.page-faq__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2px;
  margin: 26px 0 0;
  border-top: 1px solid rgba(200, 162, 74, 0.34);
}

.page-faq__stat {
  padding: 14px 10px 0 0;
}

.page-faq__stat dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(247, 241, 230, 0.62);
}

.page-faq__stat dd {
  margin: 6px 0 0;
  font-size: 17px;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-faq__panel {
  background: rgba(247, 241, 230, 0.06);
  border: 1px solid rgba(200, 162, 74, 0.32);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 20px 18px;
}

.page-faq__panel-title {
  font-family: var(--font-head);
  font-size: 16px;
  margin: 0 0 14px;
  color: var(--paper);
}

.page-faq__chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq__chips a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  background: rgba(247, 241, 230, 0.05);
  border: 1px solid rgba(229, 223, 211, 0.16);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  transition: transform var(--ease), border-color var(--ease), background var(--ease);
}

.page-faq__chips a:hover {
  transform: translateX(4px);
  background: rgba(200, 162, 74, 0.12);
}

.chip__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq__chips .chip--jade a,
.page-faq__chips a.chip--jade {
  border-left-color: var(--faq-jade-lite);
}

.page-faq__chips a.chip--jade .chip__no {
  color: var(--faq-jade-lite);
}

.page-faq__chips a.chip--warm {
  border-left-color: var(--faq-warm-lite);
}

.page-faq__chips a.chip--warm .chip__no {
  color: var(--faq-warm-lite);
}

.page-faq__chips a.chip--red {
  border-left-color: var(--faq-red-lite);
}

.page-faq__chips a.chip--red .chip__no {
  color: var(--faq-red-lite);
}

.page-faq__chips a.chip--slate {
  border-left-color: var(--slate-blue);
}

.page-faq__chips a.chip--slate .chip__no {
  color: #9FB4C4;
}

.page-faq__panel-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 241, 230, 0.68);
}

.page-faq__panel-note a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 162, 74, 0.5);
}

.page-faq__panel-note a:hover {
  border-bottom-color: var(--gold);
}

/* ---------- 章节通用 ---------- */
.page-faq__section {
  padding: 0;
  margin: 0 0 clamp(46px, 7vw, 84px);
}

.page-faq__section .section__head {
  margin-bottom: 28px;
}

.page-faq__section .section__num {
  font-family: var(--font-mono);
  color: var(--gold);
  letter-spacing: 0.1em;
}

.page-faq__section .section__title {
  font-family: var(--font-head);
  font-size: clamp(22px, 4.2vw, 34px);
  line-height: 1.3;
  margin: 6px 0 12px;
}

.page-faq__section .section__lead {
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body);
  max-width: 68ch;
}

.page-faq :target {
  scroll-margin-top: 96px;
}

/* ---------- 01 术语 ---------- */
.page-faq__terms-layout {
  display: grid;
  gap: 26px;
}

.page-faq__terms-media {
  margin: 0;
  background: #FFFDF8;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  padding: 8px 8px 0;
  box-shadow: var(--shadow-soft);
}

.page-faq__term-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.term {
  background: var(--card);
  border: 1px solid var(--paper-line);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius);
  padding: 15px 17px;
  box-shadow: var(--shadow-soft);
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}

.term:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.term:target {
  border-color: var(--cinnabar);
  border-left-color: var(--cinnabar);
  box-shadow: 0 0 0 3px rgba(179, 58, 43, 0.14), var(--shadow-lift);
}

.term--jade { border-left-color: var(--jade); }
.term--warm { border-left-color: var(--brown); }
.term--red { border-left-color: var(--cinnabar); }
.term--slate { border-left-color: var(--slate-blue); }

.term__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 8px;
}

.term__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.term--jade .term__no { color: var(--jade); }
.term--warm .term__no { color: var(--brown); }
.term--red .term__no { color: var(--cinnabar); }
.term--slate .term__no { color: var(--slate-blue); }

.term__name {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
}

.term__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-body);
}

.term__eg {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate-blue);
  background: var(--paper);
  border-radius: var(--radius);
  padding: 8px 10px;
}

/* ---------- 02 查询路径 ---------- */
.page-faq__paths {
  display: grid;
  gap: 16px;
}

.path {
  background: var(--card);
  border: 1px solid var(--paper-line);
  border-top: 4px solid var(--gold);
  border-radius: var(--radius);
  padding: 20px 18px;
  box-shadow: var(--shadow-soft);
  transition: transform var(--ease), box-shadow var(--ease);
}

.path:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.path--jade { border-top-color: var(--jade); }
.path--red { border-top-color: var(--cinnabar); }

.path__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.path--jade .path__label { color: var(--jade); }
.path--red .path__label { color: var(--cinnabar); }

.path__title {
  font-family: var(--font-head);
  font-size: 18px;
  line-height: 1.45;
  margin: 8px 0 10px;
}

.path__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-body);
}

.path__steps {
  counter-reset: step;
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--paper-line);
  display: grid;
  gap: 9px;
}

.path__steps li {
  position: relative;
  counter-increment: step;
  padding-left: 28px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-body);
}

.path__steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gold-soft);
  color: var(--brown);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 18px;
  text-align: center;
}

.path__steps a,
.page-faq__support a,
.qgroup a,
.page-faq__contact-card a {
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 110, 98, 0.35);
}

.path__steps a:hover,
.page-faq__support a:hover {
  border-bottom-color: var(--jade);
}

.page-faq__combos {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.plate {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px 14px;
  background: var(--card);
  border: 1px solid var(--paper-line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 12px 15px;
}

.plate--jade { border-left-color: var(--jade); }
.plate--red { border-left-color: var(--cinnabar); }

.plate__label {
  font-size: 14px;
  color: var(--faq-body);
}

.plate__value {
  font-size: 13.5px;
  color: var(--ink);
  letter-spacing: 0.04em;
}

/* ---------- 03 问答 ---------- */
.page-faq__qa {
  display: grid;
  gap: 26px;
}

.page-faq__qa-rail {
  background: var(--card);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  padding: 18px 16px;
}

.page-faq__rail-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 15px;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--paper-line);
}

.page-faq__rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-faq__rail-list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 10px;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 3px;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}

.page-faq__rail-list a:hover {
  background: var(--paper);
  border-left-color: var(--jade);
  color: var(--jade);
}

.page-faq__rail-list .mono {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.page-faq__rail-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--paper-line);
  font-size: 13px;
  color: var(--slate-blue);
}

.page-faq__qa-body {
  display: grid;
  gap: 30px;
}

.qgroup__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 18px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}

.qgroup__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--jade);
}

.page-faq__fold {
  margin-bottom: 10px;
}

.page-faq .fold__summary {
  position: relative;
  padding: 14px 40px 14px 14px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: color var(--ease), background var(--ease);
}

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

.page-faq .fold__summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold);
}

.page-faq details[open] > .fold__summary {
  color: var(--jade);
  background: rgba(46, 110, 98, 0.07);
}

.page-faq details[open] > .fold__summary::after {
  content: "−";
  color: var(--jade);
}

.page-faq__qno {
  display: inline-block;
  margin-right: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .fold__body {
  padding: 14px 18px 16px 18px;
  border-top: 1px dashed var(--paper-line);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .fold__body p {
  margin: 0;
}

/* ---------- 04 排查 ---------- */
.page-faq__compat {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

.compat {
  border-radius: var(--radius);
  padding: 20px 18px;
  border: 1px solid var(--paper-line);
  background: var(--card);
  box-shadow: var(--shadow-soft);
}

.compat--pc {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.compat--mobile {
  background: #FFFDF8;
  border-left: 4px solid var(--jade);
}

.compat__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.compat--mobile .compat__label {
  color: var(--jade);
}

.compat__title {
  font-family: var(--font-head);
  font-size: 17px;
  margin: 8px 0 8px;
}

.compat__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 241, 230, 0.82);
}

.compat--mobile .compat__text {
  color: var(--faq-body);
}

.page-faq__fix {
  display: grid;
  gap: 10px;
  border-top: 3px solid var(--ink);
  padding-top: 4px;
}

.fixrow {
  display: grid;
  gap: 8px;
  padding: 14px 0;
  border-bottom: 1px solid var(--paper-line);
}

.fixrow__sym,
.fixrow__act {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-body);
}

.fixrow__sym {
  color: var(--ink);
  font-weight: 500;
}

.fixrow .tag {
  margin-right: 8px;
  vertical-align: 1px;
}

/* ---------- 05 支持 ---------- */
.page-faq__support-layout {
  display: grid;
  gap: 24px;
}

.page-faq__support-media {
  margin: 0;
  background: #FFFDF8;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  padding: 8px 8px 0;
  box-shadow: var(--shadow-soft);
}

.page-faq__support-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq__contact-card {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 22px 20px;
  border-left: 4px solid var(--gold);
  transition: transform var(--ease), box-shadow var(--ease);
}

.page-faq__contact-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.page-faq__contact-title {
  font-family: var(--font-head);
  font-size: 18px;
  margin: 0 0 14px;
}

.page-faq__contact-list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-faq__contact-list dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 4px;
}

.page-faq__contact-list dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(247, 241, 230, 0.9);
  word-break: break-word;
}

.page-faq__contact-card a {
  color: var(--gold);
  border-bottom-color: rgba(200, 162, 74, 0.45);
}

.page-faq__contact-card a:hover {
  border-bottom-color: var(--gold);
}

.page-faq__contact-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(200, 162, 74, 0.28);
  font-size: 13px;
  line-height: 1.75;
  color: rgba(247, 241, 230, 0.7);
}

.page-faq__checklist {
  background: var(--card);
  border: 1px solid var(--paper-line);
  border-left: 4px solid var(--jade);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
}

.page-faq__checklist-title {
  font-family: var(--font-head);
  font-size: 16px;
  margin: 0 0 12px;
}

.page-faq__checklist-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq__checklist-list li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-body);
}

.page-faq__checklist-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--jade);
  opacity: 0.85;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq__paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq__combos {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq__compat {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fixrow {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.6fr);
    gap: 24px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq__hero {
    padding: 54px 0 58px;
  }

  .page-faq__hero-inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq__terms-layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq__terms-media {
    position: sticky;
    top: 104px;
  }

  .page-faq__qa {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq__qa-rail {
    position: sticky;
    top: 104px;
    padding: 20px 18px;
  }

  .page-faq__support-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 36px;
    align-items: start;
  }

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

@media (min-width: 1100px) {
  .page-faq__qa {
    gap: 56px;
  }
}