.page-faq {
  --faq-rail-w: 200px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: 48px 64px;
  background:
    linear-gradient(112deg, transparent 0 56%, rgba(245, 165, 36, 0.14) 56% 100%),
    var(--ink);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 300px;
  height: 300px;
  background: repeating-linear-gradient(
    58deg,
    rgba(245, 165, 36, 0.26) 0 2px,
    transparent 2px 15px
  );
  transform: rotate(8deg);
  opacity: 0.5;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
}

.page-faq .faq-hero .breadcrumb {
  margin: 0 0 26px;
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--gold-soft);
}

.page-faq .faq-hero .breadcrumb li {
  color: var(--mist);
}

.page-faq .faq-hero__head .label {
  display: inline-block;
  margin-bottom: 18px;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-size: clamp(30px, 7vw, 56px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
}

.page-faq .faq-hero__aside {
  border-left: 2px solid var(--gold);
  padding-left: 18px;
}

.page-faq .faq-hero__big {
  display: block;
  font-family: var(--font-mono);
  font-size: 54px;
  line-height: 1;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .faq-hero__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.66);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  padding-block: 48px 80px;
  background: var(--paper);
}

.page-faq .faq-body__grid {
  display: grid;
  gap: 40px;
}

/* ---------- 纵向步骤条 ---------- */
.page-faq .faq-rail {
  padding: 18px 16px;
  background: var(--ink);
  border: 1px solid var(--ink);
}

.page-faq .faq-rail__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 12px;
  white-space: nowrap;
  text-decoration: none;
  color: var(--paper);
  border-left: 2px solid transparent;
  transition:
    background var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: var(--ink-2);
  border-left-color: var(--gold);
  color: var(--white);
}

.page-faq .faq-rail__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-rail__text {
  font-size: 14px;
  line-height: 1.5;
}

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

.page-faq .faq-block {
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-faq .faq-block + .faq-block {
  margin-top: 52px;
  padding-top: 52px;
  border-top: 1px solid var(--line-ink);
}

.page-faq .faq-block__head {
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
}

.page-faq .faq-block__num {
  display: inline-block;
  justify-self: start;
  padding: 5px 10px;
  background: var(--ink);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
}

.page-faq .faq-block__head h2 {
  margin: 0;
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-block__sub {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-3);
}

/* ---------- 三步走 ---------- */
.page-faq .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .step-list__item {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px 20px 24px;
  background: var(--white);
  border: 1px solid var(--line-ink);
  transition:
    border-color var(--t) var(--ease),
    transform var(--t) var(--ease);
}

.page-faq .step-list__item:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-faq .step-list__num {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--sand);
}

.page-faq .step-list__title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .step-list__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-3);
}

.page-faq .step-list__item--focus {
  background: var(--ink);
  border-color: var(--gold);
}

.page-faq .step-list__item--focus .step-list__num {
  color: var(--gold);
}

.page-faq .step-list__item--focus .step-list__title {
  color: var(--white);
}

.page-faq .step-list__item--focus p {
  color: rgba(255, 255, 255, 0.76);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 28px 0 0;
  padding: 12px 12px 0;
  background: var(--ink);
  border: 1px solid var(--ink);
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-soft);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  background: var(--white);
  border: 1px solid var(--line-ink);
  transition:
    border-color var(--t) var(--ease),
    background var(--t) var(--ease);
}

.page-faq .qa[open] {
  border-color: var(--gold);
  background: rgba(255, 215, 154, 0.16);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}

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

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  background: var(--paper);
  border: 1px solid var(--line-ink);
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gold);
}

.page-faq .qa__mark::before {
  width: 12px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .qa__mark::after {
  width: 2px;
  height: 12px;
  transform: translate(-50%, -50%);
  transition:
    transform var(--t) var(--ease),
    opacity var(--t) var(--ease);
}

.page-faq .qa[open] .qa__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__a {
  padding: 0 18px 20px 52px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-3);
}

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

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

.page-faq .faq-main a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
  transition: color var(--t-fast) var(--ease);
}

.page-faq .faq-main a:hover,
.page-faq .faq-main a:focus-visible {
  color: var(--coral);
}

/* ---------- 找不到内容 ---------- */
.page-faq .recover {
  border-top: 1px solid var(--line-ink);
}

.page-faq .recover__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .recover__idx {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-faq .recover__title {
  margin: 4px 0 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--ink);
}

.page-faq .recover p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-3);
}

/* ---------- 服务与联系 ---------- */
.page-faq .service-panel {
  display: grid;
  gap: 22px;
  padding: 26px 22px;
  background: var(--ink);
  border-left: 4px solid var(--gold);
}

.page-faq .service-panel .label {
  display: inline-block;
  margin-bottom: 14px;
}

.page-faq .service-panel h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .service-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.76);
}

.page-faq .service-panel a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-decoration-color: rgba(255, 215, 154, 0.5);
  text-underline-offset: 3px;
}

.page-faq .service-panel a:hover,
.page-faq .service-panel a:focus-visible {
  color: var(--coral);
}

.page-faq .service-panel .btn {
  justify-self: start;
  text-decoration: none;
}

.page-faq .service-panel .btn:hover,
.page-faq .service-panel .btn:focus-visible {
  color: var(--ink);
}

/* ---------- 窄屏修正 ---------- */
@media (max-width: 599px) {
  .page-faq .qa__a {
    padding-left: 18px;
  }

  .page-faq .faq-hero__big {
    font-size: 44px;
  }

  .page-faq .recover__item {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 14px;
  }

  .page-faq .recover__idx {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }
}

/* ---------- 平板：三步并排 ---------- */
@media (min-width: 720px) {
  .page-faq .step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .service-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 32px 28px;
  }
}

/* ---------- 桌面：框架 + 纵向步骤条 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding-block: 64px 80px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 64px;
    align-items: end;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-faq .faq-rail__list {
    display: grid;
    gap: 2px;
    overflow: visible;
  }

  .page-faq .faq-rail__link {
    white-space: normal;
  }

  .page-faq .faq-body {
    padding-block: 64px 96px;
  }

  .page-faq .faq-body__grid {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 68px;
    align-items: start;
  }
}