.page-faq {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

.page-faq .faq-shell {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: calc(var(--h-header) + clamp(18px, 3vw, 36px)) var(--gutter) clamp(40px, 6vw, 80px);
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .breadcrumb {
  margin-bottom: clamp(14px, 2vw, 22px);
  font-size: 12.5px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(18px, 3vw, 40px);
  align-items: end;
  padding-bottom: clamp(22px, 3vw, 36px);
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--h-header-sm) + 12px);
}

.page-faq .faq-hero h1 {
  margin: .3em 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 62px);
  line-height: 1.04;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-hero__meta {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--ink-soft);
}

.page-faq .faq-hero__meta li {
  display: flex;
  align-items: center;
}

.page-faq .faq-hero__meta li + li::before {
  content: "";
  width: 18px;
  height: 1px;
  margin: 0 12px;
  background: var(--orange);
}

.page-faq .faq-hero__fig {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--night);
}

.page-faq .faq-hero__fig::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 6px;
  height: 72px;
  background: var(--orange);
}

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

/* ---------- 卡点直达条 ---------- */
.page-faq .faq-triage {
  display: grid;
  gap: 1px;
  margin-top: clamp(18px, 2.6vw, 28px);
  background: var(--line-dark);
  color: var(--cream);
}

.page-faq .faq-triage a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px clamp(14px, 2vw, 22px);
  background: var(--night);
  color: var(--cream);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-triage a::after {
  content: "→";
  font-family: var(--font-display);
  color: var(--fluo);
}

.page-faq .faq-triage a:hover,
.page-faq .faq-triage a:focus-visible {
  background: var(--ice-deep);
  color: var(--fluo);
  padding-left: calc(clamp(14px, 2vw, 22px) + 4px);
  outline-offset: -2px;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(22px, 3vw, 48px);
  padding-top: clamp(24px, 3.4vw, 46px);
}

/* ---------- 左栏 ---------- */
.page-faq .faq-rail {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-faq .faq-rail__title {
  margin: 0;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--orange-deep);
}

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

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 10px;
  border: 1px solid var(--line-soft);
  color: var(--ink-soft);
  font-size: 12.5px;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-rail__link span {
  font-family: var(--font-display);
  font-size: 10.5px;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--ink);
  border-color: var(--orange);
  background: rgba(226, 85, 43, .08);
}

.page-faq .faq-rail__note {
  padding: 14px 16px;
  background: var(--night);
  color: var(--cream);
  border-left: 4px solid var(--orange);
  font-size: 12.5px;
  line-height: 1.7;
}

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

.page-faq .faq-rail__note-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--ice);
  margin-bottom: 4px !important;
}

.page-faq .faq-rail__mail {
  margin-top: 8px !important;
  font-family: var(--font-display);
  font-size: 13.5px;
  color: var(--fluo);
  word-break: break-all;
}

/* ---------- 章节 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-sec {
  padding: clamp(22px, 3vw, 36px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--h-header-sm) + 16px);
}

.page-faq .faq-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-items: baseline;
  margin-bottom: 16px;
}

.page-faq .faq-sec__num {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: .9;
  letter-spacing: -.04em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-sec__title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -.01em;
}

.page-faq .faq-sec__intro {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-sec__intro a {
  color: var(--orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-aside-link {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--ice);
  font-size: 14px;
  color: var(--ink-soft);
}

.page-faq .faq-aside-link a {
  color: var(--orange-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 三步流程 SVG ---------- */
.page-faq .faq-flow {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 18px;
}

.page-faq .faq-flow__box rect {
  fill: none;
  stroke: var(--line);
  stroke-width: 1.5;
}

.page-faq .faq-flow__arrow path {
  fill: none;
  stroke: var(--orange);
  stroke-width: 2;
  stroke-dasharray: 6 5;
}

.page-faq .faq-flow__label text {
  font-family: var(--font-display);
  font-size: 22px;
  fill: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-faq text.faq-flow__word {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  fill: var(--ink);
  letter-spacing: .04em;
}

/* ---------- 三步卡片 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-faq .faq-steps li {
  display: grid;
  gap: 5px;
  padding: 16px;
  background: var(--cream);
}

.page-faq .faq-steps b {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--orange);
}

.page-faq .faq-steps strong {
  font-size: 16px;
  font-weight: 900;
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 问答折叠 ---------- */
.page-faq .qa {
  border-top: 1px solid var(--line-soft);
}

.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 34px 14px 0;
  position: relative;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa__q::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 12px;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1;
  color: var(--orange);
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
}

.page-faq .qa__q:hover {
  color: var(--orange-deep);
}

.page-faq .qa__idx {
  flex: none;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin-top: 1px;
  border: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__idx {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--cream);
}

.page-faq .qa__a {
  padding: 0 0 16px 38px;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 对照表 ---------- */
.page-faq .faq-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 13.5px;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  border: 1px solid var(--line-soft);
  padding: 10px 12px;
  text-align: left;
  white-space: nowrap;
}

.page-faq .faq-table thead th {
  background: var(--ice);
  color: var(--night);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-faq .faq-table tbody th {
  font-weight: 700;
  background: rgba(143, 191, 208, .16);
}

.page-faq .faq-table tbody tr:nth-child(even) td {
  background: rgba(143, 191, 208, .07);
}

.page-faq .faq-table tbody tr:hover td,
.page-faq .faq-table tbody tr:hover th {
  background: rgba(226, 85, 43, .12);
}

.page-faq .faq-read {
  list-style: none;
  counter-reset: faqread;
  margin: 16px 0 6px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-read li {
  counter-increment: faqread;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-faq .faq-read li::before {
  content: counter(faqread);
  flex: none;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  background: var(--orange);
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 11px;
}

/* ---------- 中段图 ---------- */
.page-faq .faq-fig {
  margin: clamp(6px, 1.4vw, 12px) 0;
  padding: clamp(14px, 2vw, 22px) 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

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

.page-faq .faq-fig figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ink-soft);
}

/* ---------- 术语卡 ---------- */
.page-faq .faq-terms {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line-soft);
  background: var(--line-soft);
}

.page-faq .term {
  background: var(--cream);
}

.page-faq .term summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-faq .term summary::after {
  content: "+";
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1;
  color: var(--orange);
}

.page-faq .term[open] summary {
  background: var(--ice-deep);
  color: var(--cream);
}

.page-faq .term[open] summary::after {
  content: "–";
  color: var(--fluo);
}

.page-faq .term summary:hover {
  background: rgba(143, 191, 208, .22);
}

.page-faq .term__body {
  padding: 12px 16px 14px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  border-top: 1px dashed var(--line);
}

/* ---------- 联系块 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 18px;
  margin-top: 20px;
  padding: clamp(18px, 3vw, 30px);
  background: var(--night);
  color: var(--cream);
  border-left: 6px solid var(--orange);
}

.page-faq .faq-contact__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ice);
}

.page-faq .faq-contact__mail {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.3vw, 24px);
  letter-spacing: .01em;
  color: var(--fluo);
  word-break: break-all;
}

.page-faq .faq-contact__hint {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--cream-soft);
}

.page-faq .faq-contact dl {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact dt {
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ice);
}

.page-faq .faq-contact dd {
  margin: 3px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cream);
}

/* ---------- 回到顶部 ---------- */
.page-faq .faq-top {
  position: fixed;
  right: clamp(12px, 2vw, 24px);
  bottom: clamp(12px, 2vw, 24px);
  z-index: 20;
  display: inline-flex;
  align-items: center;
  padding: 9px 13px;
  background: var(--night);
  color: var(--fluo);
  border: 1px solid var(--line-dark);
  font-size: 11.5px;
  letter-spacing: .08em;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-top:hover,
.page-faq .faq-top:focus-visible {
  background: var(--orange);
  color: var(--cream);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-terms {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 760px) {
  .page-faq .faq-triage {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .95fr);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--h-header-sm) + 20px);
    align-self: start;
  }

  .page-faq .faq-rail__list {
    display: block;
  }

  .page-faq .faq-rail__link {
    border: 0;
    border-left: 2px solid transparent;
    padding: 8px 10px;
    font-size: 13.5px;
    white-space: normal;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-left-color: var(--orange);
    background: rgba(226, 85, 43, .07);
  }

  .page-faq .faq-body {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
  }
}