.page-faq {
  --faq-rule: rgba(14, 42, 36, .14);
  --faq-rule-soft: rgba(14, 42, 36, .08);
  --faq-text: rgba(14, 42, 36, .78);
  --faq-text-soft: rgba(14, 42, 36, .6);
  --faq-index-w: 258px;
  background: var(--porcelain);
  color: var(--ink);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 44px) 0 clamp(48px, 7vw, 84px);
  background:
    radial-gradient(1100px 500px at 84% -12%, rgba(201, 164, 92, .22), transparent 62%),
    radial-gradient(880px 460px at 4% 112%, rgba(47, 122, 99, .34), transparent 60%),
    var(--ink);
  color: var(--porcelain);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: clamp(10px, 1.8vw, 20px);
  border: 1px solid var(--gold-35);
  border-radius: 8px;
  opacity: .55;
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--porcelain-70);
}

.page-faq .faq-crumbs a {
  color: var(--porcelain-85);
  text-decoration: none;
}

.page-faq .faq-crumbs a:hover {
  color: var(--gold);
}

.page-faq .faq-crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--gold-60);
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  padding: 6px 15px 6px 7px;
  border: 1px solid var(--gold-35);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--porcelain-85);
}

.page-faq .faq-kicker .num {
  display: inline-grid;
  place-items: center;
  min-width: 32px;
  height: 22px;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--gold);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 4.6vw, 58px);
  line-height: 1.1;
  letter-spacing: .005em;
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--porcelain-85);
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  padding: 8px 8px 8px 18px;
  max-width: 560px;
  border: 1px solid var(--gold-35);
  border-radius: 999px;
  background: rgba(247, 243, 234, .07);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-search:focus-within {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-22);
}

.page-faq .faq-search-mark {
  flex: none;
  position: relative;
  width: 15px;
  height: 15px;
  border: 1.5px solid var(--gold-60);
  border-radius: 50%;
}

.page-faq .faq-search-mark::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -2px;
  width: 7px;
  height: 1.5px;
  background: var(--gold-60);
  transform: rotate(45deg);
}

.page-faq .faq-search-input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 9px 0;
  border: 0;
  background: transparent;
  color: var(--porcelain);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
}

.page-faq .faq-search-input::placeholder {
  color: var(--porcelain-70);
}

.page-faq .faq-search-go {
  flex: none;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--gold);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur) var(--ease);
}

.page-faq .faq-search-go:hover {
  background: var(--amber);
}

.page-faq .faq-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 46px);
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(247, 243, 234, .16);
}

.page-faq .faq-hero-stats div {
  display: grid;
  gap: 2px;
}

.page-faq .faq-hero-stats dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--porcelain-70);
}

.page-faq .faq-hero-stats dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  color: var(--gold);
}

.page-faq .faq-hero-art {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--gold-35);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(201, 164, 92, .18), rgba(47, 122, 99, .16));
  box-shadow: 0 30px 60px -42px rgba(0, 0, 0, .9);
}

.page-faq .faq-hero-art::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid var(--gold-22);
  border-radius: calc(var(--radius-lg) - 10px);
  pointer-events: none;
}

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

@media (min-width: 920px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
  }
}

/* ---------- 首次访问三步 ---------- */
.page-faq .faq-start {
  padding: clamp(46px, 6.5vw, 86px) 0;
  background: var(--porcelain);
}

.page-faq .faq-section-head {
  max-width: 660px;
  margin-bottom: clamp(26px, 4vw, 40px);
}

.page-faq .faq-section-head .eyebrow {
  color: var(--jade);
  margin: 0;
}

.page-faq .faq-section-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.2;
  color: var(--ink);
}

.page-faq .faq-section-head .lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-text);
}

.page-faq .faq-start-grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-step:first-child {
  border-top: 2px solid var(--ink);
}

.page-faq .faq-step:last-child {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-step-num {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--gold-35);
  border-radius: 50%;
  background: var(--rice);
  color: var(--ink-2);
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-faq .faq-step h3 {
  margin: 2px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
}

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

.page-faq .faq-start-art {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius-md);
  background: var(--rice);
}

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

@media (min-width: 900px) {
  .page-faq .faq-start-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 48px;
    align-items: start;
  }
}

/* ---------- 问答区 ---------- */
.page-faq .faq-body {
  padding: clamp(44px, 6vw, 84px) 0 clamp(52px, 7vw, 96px);
  background: var(--rice);
  border-top: 1px solid var(--faq-rule-soft);
}

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

.page-faq .faq-index {
  padding-top: 18px;
  border-top: 2px solid var(--ink);
}

.page-faq .faq-index-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--ink);
}

.page-faq .faq-index-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--faq-rule-soft);
  color: var(--ink-2);
  font-size: 15px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  color: var(--jade);
  padding-left: 8px;
}

.page-faq .faq-index-list .index-num {
  flex: none;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--jade);
}

.page-faq .faq-index-note {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--mist);
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.7;
}

.page-faq .faq-index-note a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: var(--gold-60);
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-filter .filter-btn {
  padding: 9px 16px;
  border: 1px solid var(--ink-14);
  border-radius: 999px;
  background: var(--porcelain);
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.2;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-filter .filter-btn:hover {
  border-color: var(--jade);
  color: var(--jade);
}

.page-faq .faq-filter .filter-btn.is-active,
.page-faq .faq-filter .filter-btn[aria-pressed="true"] {
  background: var(--ink-2);
  border-color: var(--ink-2);
  color: var(--porcelain);
}

.page-faq .faq-group {
  margin-bottom: clamp(30px, 4vw, 46px);
}

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

.page-faq .faq-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 10px;
  margin-bottom: 2px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-group-head h3 {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-group-head h3 .num {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--jade);
}

.page-faq .faq-group-head p {
  margin: 0;
  font-size: 13px;
  color: var(--faq-text-soft);
}

.page-faq .faq-qa {
  border-bottom: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-qa summary {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 24px;
  gap: 10px;
  align-items: center;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

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

.page-faq .faq-qa summary:hover {
  background: rgba(247, 243, 234, .82);
}

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

.page-faq .faq-qnum {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--jade);
}

.page-faq .faq-qtext {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 16.5px);
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .faq-qa[open] .faq-qtext {
  color: var(--ink-2);
  font-weight: 600;
}

.page-faq .faq-qicon {
  position: relative;
  justify-self: end;
  width: 22px;
  height: 22px;
  border: 1px solid var(--ink-14);
  border-radius: 50%;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-qicon::before,
.page-faq .faq-qicon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--ink-2);
  border-radius: 1px;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .faq-qicon::before {
  width: 9px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-qicon::after {
  width: 1.5px;
  height: 9px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-qa[open] .faq-qicon {
  border-color: var(--jade);
}

.page-faq .faq-qa[open] .faq-qicon::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(.2);
}

.page-faq .faq-answer {
  position: relative;
  padding: 0 6px 22px 56px;
}

.page-faq .faq-answer::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 2px;
  bottom: 16px;
  width: 1px;
  background: linear-gradient(var(--gold-60), rgba(201, 164, 92, 0));
  opacity: .55;
}

.page-faq .faq-answer p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--faq-text);
}

.page-faq .filter-empty {
  margin: 10px 0 0;
  padding: 20px 22px;
  border: 1px dashed var(--ink-14);
  border-radius: var(--radius-md);
  background: var(--porcelain);
  color: var(--faq-text);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .filter-empty[hidden] {
  display: none;
}

@media (min-width: 1000px) {
  .page-faq .faq-body-grid {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

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

  .page-faq .faq-answer {
    padding-right: 40px;
  }
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support {
  padding: clamp(48px, 6.5vw, 88px) 0;
  background:
    radial-gradient(760px 400px at 92% 0%, rgba(201, 164, 92, .16), transparent 65%),
    var(--ink);
  color: var(--porcelain);
}

.page-faq .faq-support-grid {
  display: grid;
  gap: 32px;
}

.page-faq .faq-support-copy .eyebrow {
  margin: 0;
  color: var(--gold);
}

.page-faq .faq-support h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.22;
  color: var(--porcelain);
}

.page-faq .faq-support-copy p {
  margin: 0 0 22px;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--porcelain-85);
}

.page-faq .faq-contact-card {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--gold-35);
  border-radius: var(--radius-lg);
  background: rgba(247, 243, 234, .05);
}

.page-faq .faq-contact-card div {
  display: grid;
  gap: 3px;
}

.page-faq .faq-contact-card dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-contact-card dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--porcelain);
  word-break: break-word;
}

@media (min-width: 900px) {
  .page-faq .faq-support-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 56px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-search,
  .page-faq .faq-search-go,
  .page-faq .faq-index-list a,
  .page-faq .faq-filter .filter-btn,
  .page-faq .faq-qa summary,
  .page-faq .faq-qicon,
  .page-faq .faq-qicon::before,
  .page-faq .faq-qicon::after {
    transition-duration: .01ms;
  }
}