.page-faq {
  --faq-rule: rgba(110, 122, 133, .28);
  --faq-rule-soft: rgba(110, 122, 133, .16);
  --faq-ink-soft: rgba(27, 19, 16, .68);
  position: relative;
  color: var(--fog);
  background:
    radial-gradient(900px 520px at 10% -10%, rgba(255, 74, 23, .22), transparent 62%),
    radial-gradient(760px 500px at 94% 2%, rgba(56, 242, 176, .10), transparent 60%),
    var(--ink);
  padding-bottom: clamp(64px, 8vw, 128px);
  overflow-x: hidden;
}

.page-faq .breadcrumb {
  padding-top: clamp(18px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(22px, 4vw, 48px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: end;
}

.page-faq .faq-hero__lead .t-display {
  margin: 14px 0 18px;
  color: #fff;
}

.page-faq .faq-hero__lead .lede {
  margin: 0;
  max-width: 44ch;
}

.page-faq .faq-hero__meta {
  padding: clamp(20px, 2.6vw, 28px);
  position: relative;
}

.page-faq .faq-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(27, 19, 16, .22);
  font-size: 14px;
}

.page-faq .faq-meta-row--last {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-meta-row__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--faq-ink-soft);
}

.page-faq .faq-meta-row__v {
  font-weight: 700;
  color: var(--ink-brown);
  text-align: right;
}

/* ---------- 快捷跳转 ---------- */
.page-faq .faq-quick {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: clamp(20px, 3vw, 34px) 0 clamp(14px, 2vw, 22px);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-quick__link {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  padding: 9px 15px;
  border: 1px solid var(--faq-rule);
  border-radius: 999px;
  color: var(--fog);
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-faq .faq-quick__link:hover,
.page-faq .faq-quick__link:focus-visible {
  color: #fff;
  border-color: var(--fox);
  background: rgba(255, 74, 23, .14);
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
}

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

/* ---------- 区块 ---------- */
.page-faq .faq-block {
  padding-top: clamp(38px, 5.4vw, 68px);
  border-top: 1px solid var(--faq-rule);
  margin-top: clamp(34px, 4.6vw, 60px);
}

.page-faq .faq-block:first-child {
  margin-top: clamp(14px, 2vw, 24px);
}

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.page-faq .faq-block__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--fox);
}

.page-faq .faq-block__head .t-section {
  margin: 0;
  color: #fff;
}

.page-faq .faq-block .copy {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 42ch;
}

.page-faq .faq-inline {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
  opacity: .82;
  max-width: 44ch;
}

.page-faq .faq-inline a {
  color: var(--fox);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 74, 23, .45);
  transition: border-color .2s ease, color .2s ease;
}

.page-faq .faq-inline a:hover,
.page-faq .faq-inline a:focus-visible {
  color: #fff;
  border-bottom-color: var(--mint);
}

/* ---------- 三步上手 ---------- */
.page-faq .step-list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-faq .step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-top: 1px dashed var(--faq-rule);
}

.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1;
  color: var(--fox);
}

.page-faq .step__title {
  margin: 0 0 6px;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
}

.page-faq .step p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--fog);
  opacity: .82;
  max-width: 36ch;
}

/* ---------- 日历步骤 ---------- */
.page-faq .cal-list {
  list-style: none;
  counter-reset: cal;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-faq .cal-list li {
  position: relative;
  padding-left: 44px;
}

.page-faq .cal-list li::before {
  counter-increment: cal;
  content: counter(cal, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fox);
  border: 1px solid var(--fox);
  border-radius: 2px;
}

.page-faq .cal-list strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16.5px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
}

.page-faq .cal-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fog);
  opacity: .8;
  max-width: 40ch;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(26px, 3.6vw, 44px) 0 0;
}

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

/* ---------- 问答手风琴 ---------- */
.page-faq .qa-group {
  margin-top: clamp(20px, 2.8vw, 32px);
  border-top: 1px solid var(--faq-rule);
}

.page-faq .qa {
  border-bottom: 1px solid var(--faq-rule);
  position: relative;
  transition: background-color .22s ease;
}

.page-faq .qa[open] {
  background: linear-gradient(90deg, rgba(255, 74, 23, .09), rgba(255, 74, 23, 0) 62%);
}

.page-faq .qa__q {
  position: relative;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: clamp(17px, 2.2vw, 24px) clamp(8px, 1.6vw, 16px) clamp(17px, 2.2vw, 24px) clamp(16px, 2.4vw, 26px);
  font-size: clamp(16.5px, 1.9vw, 20px);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: #fff;
}

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

.page-faq .qa__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16%;
  bottom: 16%;
  width: 3px;
  background: var(--fox);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .22s ease;
}

.page-faq .qa[open] .qa__q::before {
  transform: scaleY(1);
}

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 21px;
  line-height: 1;
  color: var(--fox);
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
  color: var(--mint);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--fox);
  outline-offset: -2px;
}

.page-faq .qa__a {
  margin: 0;
  padding: 0 clamp(16px, 2.4vw, 26px) clamp(20px, 2.6vw, 30px) clamp(16px, 2.4vw, 26px);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--fog);
  opacity: .84;
  max-width: 42ch;
}

.page-faq .qa__a a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 176, .4);
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  border-bottom-color: var(--mint);
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .contact-card {
  padding: clamp(22px, 2.8vw, 32px);
}

.page-faq .contact-row {
  padding: 14px 0;
  border-bottom: 1px dashed rgba(27, 19, 16, .22);
}

.page-faq .contact-row--last {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-faq .contact-row__k {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--faq-ink-soft);
}

.page-faq .contact-row__v {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-faq .contact-row__text {
  font-size: 16px;
  font-weight: 800;
  color: var(--ink-brown);
  word-break: break-all;
}

.page-faq .contact-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq .contact-note a {
  color: var(--fox-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 47, 12, .42);
}

.page-faq .contact-note a:hover,
.page-faq .contact-note a:focus-visible {
  border-bottom-color: var(--fox-deep);
}

/* ---------- 目录 ---------- */
.page-faq .faq-side .toc {
  margin-top: clamp(14px, 2vw, 22px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .step-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(18px, 2.4vw, 32px);
  }

  .page-faq .step {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    border-top: 1px solid var(--faq-rule);
    padding-top: clamp(18px, 2.2vw, 26px);
  }

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

  .page-faq .faq-quick {
    flex-wrap: wrap;
    overflow-x: visible;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-contact .faq-figure {
    margin-top: 0;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(34px, 4vw, 64px);
  }

  .page-faq .faq-side .toc {
    position: sticky;
    top: 92px;
    margin-top: clamp(16px, 2vw, 26px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q::before,
  .page-faq .faq-quick__link {
    transition: none;
  }
}