.page-faq {
  padding-top: 0;
}

.page-faq [id] {
  scroll-margin-top: calc(var(--header-h-slim) + 24px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 56px;
  color: var(--paper);
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(90deg, rgba(176, 138, 79, 0.12) 0 1px, transparent 1px 72px),
    linear-gradient(140deg, rgba(184, 58, 42, 0.18), transparent 58%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: linear-gradient(180deg, var(--cinnabar), var(--copper));
}

.page-faq .faq-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--gold-light);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb a:hover,
.page-faq .faq-hero .breadcrumb a:focus-visible {
  color: var(--paper);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .faq-hero .breadcrumb li[aria-current] {
  color: rgba(244, 235, 221, 0.62);
}

.page-faq .faq-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--copper);
}

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

.page-faq .faq-hero__kicker {
  display: inline-block;
  margin: 0 0 18px;
  color: var(--gold-light);
  letter-spacing: 0.16em;
}

.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 8vw, 64px);
  line-height: 1.14;
  letter-spacing: 0.01em;
}

.page-faq .faq-hero__lead {
  margin: 0 0 28px;
  max-width: 46em;
  font-size: var(--step-base);
  line-height: 1.85;
  color: rgba(244, 235, 221, 0.82);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__index {
  border: 1px solid rgba(176, 138, 79, 0.45);
  padding: 20px 18px 22px;
  background: rgba(27, 46, 69, 0.6);
}

.page-faq .faq-hero__index-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--copper);
}

.page-faq .faq-hero__ticks {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold-light);
}

.page-faq .faq-hero__ticks li {
  padding: 9px 4px;
  text-align: center;
  border: 1px solid rgba(176, 138, 79, 0.4);
}

.page-faq .faq-hero__index-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 235, 221, 0.66);
}

/* ---------- 编号体系 ---------- */
.page-faq .faq-columns {
  padding: 56px 0;
}

.page-faq .faq-columns__grid {
  display: grid;
  gap: 36px;
  align-items: start;
}

.page-faq .faq-columns h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.24;
  color: var(--deep);
}

.page-faq .faq-columns__intro {
  margin: 0 0 24px;
  font-size: var(--step-base);
  line-height: 1.8;
  color: var(--ink-2);
}

.page-faq .faq-columns__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ash);
}

.page-faq .faq-columns__list li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  column-gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ash);
}

.page-faq .faq-col__no {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--cinnabar);
}

.page-faq .faq-col__name {
  font-weight: 600;
  font-size: 16px;
  color: var(--deep);
}

.page-faq .faq-col__desc {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

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

/* ---------- 问答 ---------- */
.page-faq .faq-qa {
  padding: 56px 0 64px;
}

.page-faq .faq-qa__head {
  max-width: 62em;
  margin-bottom: 32px;
}

.page-faq .faq-qa__head h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.24;
  color: var(--deep);
}

.page-faq .faq-qa__head p {
  margin: 0;
  font-size: var(--step-base);
  line-height: 1.8;
  color: var(--ink-2);
}

.page-faq .faq-qa__layout {
  display: grid;
  gap: 24px;
}

.page-faq .faq-qa__nav ol {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-qa__nav ol::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-qa__nav a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--ink-2);
  text-decoration: none;
  background: var(--paper-lift);
  border: 1px solid var(--ash);
  border-left: 3px solid var(--copper);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-qa__nav a:hover,
.page-faq .faq-qa__nav a:focus-visible {
  color: var(--cinnabar);
  border-left-color: var(--cinnabar);
}

.page-faq .faq-qa__nav-no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cinnabar);
}

.page-faq .faq-group {
  margin-bottom: 34px;
}

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

.page-faq .faq-group h3 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 14px;
  padding-bottom: 10px;
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 700;
  color: var(--deep);
  border-bottom: 1px solid var(--copper);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--cinnabar);
}

.page-faq .faq-item {
  margin-bottom: 10px;
  background: var(--paper-lift);
  border: 1px solid var(--ash);
  border-left: 3px solid var(--copper);
}

.page-faq .faq-item summary {
  position: relative;
  display: block;
  padding: 14px 44px 14px 16px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--deep);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 15px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.4;
  color: var(--cinnabar);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.page-faq .faq-item__body {
  padding: 0 16px 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
}

/* ---------- 三步快捷 ---------- */
.page-faq .faq-quick {
  position: relative;
  padding: 56px 0 60px;
}

.page-faq .faq-quick__head {
  max-width: 60em;
  margin-bottom: 32px;
}

.page-faq .faq-quick h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.24;
  color: var(--paper);
}

.page-faq .faq-quick__head p {
  margin: 0;
  font-size: var(--step-base);
  line-height: 1.85;
  color: rgba(244, 235, 221, 0.78);
}

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

.page-faq .faq-steps li {
  padding: 20px 18px 22px;
  background: rgba(27, 46, 69, 0.72);
  border-top: 3px solid var(--cinnabar);
}

.page-faq .faq-steps__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  color: var(--gold-light);
}

.page-faq .faq-steps h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 235, 221, 0.72);
}

.page-faq .faq-quick__note {
  margin: 26px 0 0;
  padding-top: 20px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 235, 221, 0.78);
  border-top: 1px solid rgba(176, 138, 79, 0.4);
}

.page-faq .faq-quick__note .link-more {
  display: inline-block;
  margin-left: 6px;
  color: var(--gold-light);
}

/* ---------- 移动端 ---------- */
.page-faq .faq-mobile {
  padding: 56px 0;
}

.page-faq .faq-mobile__grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-faq .faq-mobile h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.24;
  color: var(--deep);
}

.page-faq .faq-mobile__text > p {
  margin: 0 0 22px;
  font-size: var(--step-base);
  line-height: 1.8;
  color: var(--ink-2);
}

.page-faq .faq-mobile__list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-faq .faq-mobile__list li {
  padding-left: 14px;
  border-left: 2px solid var(--copper);
}

.page-faq .faq-mobile__list h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--deep);
}

.page-faq .faq-mobile__list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
}

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

/* ---------- 版本对照 ---------- */
.page-faq .faq-version {
  padding: 56px 0;
}

.page-faq .faq-version__grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-faq .faq-version h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.24;
  color: var(--deep);
}

.page-faq .faq-version__text p {
  margin: 0 0 18px;
  font-size: var(--step-base);
  line-height: 1.85;
  color: var(--ink-2);
}

.page-faq .faq-map {
  padding: 6px 0;
  border-top: 2px solid var(--ink);
}

.page-faq .faq-map__row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--copper);
}

.page-faq .faq-map__code {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--cinnabar);
}

.page-faq .faq-map__label {
  font-size: 15px;
  font-weight: 600;
  color: var(--deep);
}

.page-faq .faq-map__to {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-faq .faq-map__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support {
  padding: 56px 0 64px;
}

.page-faq .faq-support__grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-faq .faq-support h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.24;
  color: var(--paper);
}

.page-faq .faq-support__text > p {
  margin: 0 0 20px;
  font-size: var(--step-base);
  line-height: 1.85;
  color: rgba(244, 235, 221, 0.78);
}

.page-faq .faq-support__list {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-support__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 235, 221, 0.86);
  border-bottom: 1px solid rgba(176, 138, 79, 0.35);
}

.page-faq .faq-support__no {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cinnabar);
}

.page-faq .faq-support__contact {
  padding: 22px 18px 24px;
  background: rgba(27, 46, 69, 0.72);
  border: 1px solid rgba(176, 138, 79, 0.45);
}

.page-faq .faq-support__contact-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--copper);
}

.page-faq .faq-support__contact ul {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-support__contact li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(176, 138, 79, 0.28);
}

.page-faq .faq-support__contact-label {
  display: block;
  margin-bottom: 4px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: rgba(244, 235, 221, 0.6);
}

.page-faq .faq-support__contact a {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--gold-light);
  text-decoration: none;
  word-break: break-all;
}

.page-faq .faq-support__contact a:hover,
.page-faq .faq-support__contact a:focus-visible {
  color: var(--paper);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-support__contact-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 235, 221, 0.66);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__ticks {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-faq .faq-columns__list li {
    grid-template-columns: 56px 148px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-faq .faq-col__no {
    grid-row: auto;
  }

  .page-faq .faq-col__desc {
    grid-column: 3;
  }

  .page-faq .faq-mobile__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 20px;
  }

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

  .page-faq .faq-map__row {
    grid-template-columns: 64px 148px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-faq .faq-map__to {
    grid-column: 3;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 56px) 0 72px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

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

  .page-faq .faq-columns,
  .page-faq .faq-qa,
  .page-faq .faq-quick,
  .page-faq .faq-mobile,
  .page-faq .faq-version,
  .page-faq .faq-support {
    padding-top: 80px;
    padding-bottom: 80px;
  }

  .page-faq .faq-columns__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-faq .faq-qa__layout {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-qa__nav {
    position: sticky;
    top: calc(var(--header-h-slim) + 28px);
  }

  .page-faq .faq-qa__nav ol {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-qa__nav a {
    display: flex;
    width: 100%;
    box-sizing: border-box;
  }

  .page-faq .faq-mobile__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-faq .faq-version__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 56px;
  }

  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-qa__nav a {
    transition: none;
  }
}