.page-faq {
  --faq-read: 720px;
  --faq-shadow: 6px 6px 0 #01070D;
  display: block;
  background: var(--grad-night);
  color: var(--snow);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: clamp(40px, 7vw, 80px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 3.6vw, 34px) 0 clamp(26px, 4vw, 48px);
  border-bottom: 2px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: min(70vw, 760px);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 62% 38%, rgba(46, 242, 166, 0.16), transparent 62%);
  pointer-events: none;
}

.page-faq .faq-hero__in {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(18px, 3vw, 36px);
  margin-top: 18px;
  align-items: end;
}

.page-faq .faq-hero__text .bd-meta {
  margin: 0 0 10px;
  letter-spacing: 0.18em;
}

.page-faq .faq-hero__text .bd-h1 {
  margin: 0 0 16px;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.4vw, 17px);
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 3px solid var(--line);
  box-shadow: var(--faq-shadow);
  background: var(--ink-2);
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
  .page-faq .faq-hero__media {
    margin-bottom: 6px;
  }
}

/* ---------- 分类索引条 ---------- */
.page-faq .faq-indexwrap {
  padding: clamp(18px, 3vw, 30px) 0;
  border-bottom: 2px solid var(--line);
  background: rgba(10, 32, 56, 0.62);
}

.page-faq .faq-index {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(168px, 1fr);
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__item {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border: 2px solid var(--line);
  background: var(--ink-2);
  color: var(--snow);
  text-decoration: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-index__n {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--pulse);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-index__t {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.3;
}

.page-faq .faq-index__c {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  background: var(--pulse);
  border-color: var(--pulse);
  color: var(--ink);
  transform: translateX(2px);
}

.page-faq .faq-index__item:hover .faq-index__n,
.page-faq .faq-index__item:focus-visible .faq-index__n {
  color: var(--ink);
}

.page-faq .faq-index__item:hover .faq-index__c,
.page-faq .faq-index__item:focus-visible .faq-index__c {
  color: rgba(5, 18, 31, 0.75);
}

.page-faq .faq-index__item:focus-visible {
  outline: 3px solid var(--snow);
  outline-offset: 2px;
}

@media (min-width: 860px) {
  .page-faq .faq-index {
    grid-auto-flow: row;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }
}

/* ---------- 阅读列 ---------- */
.page-faq .faq-body {
  max-width: var(--faq-read);
  margin: 0 auto;
  padding: clamp(30px, 5vw, 62px) var(--gutter) 0;
  box-sizing: border-box;
}

.page-faq .faq-sec {
  padding-bottom: clamp(36px, 5.5vw, 64px);
  scroll-margin-top: 100px;
}

.page-faq .faq-sec__head {
  margin-bottom: 18px;
}

.page-faq .faq-sec__head .bd-meta {
  margin: 0 0 8px;
  letter-spacing: 0.16em;
}

.page-faq .faq-sec__head .bd-h2 {
  margin: 0 0 10px;
}

.page-faq .faq-sec__intro {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-q {
  border: 2px solid var(--line);
  border-left: 4px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--faq-shadow);
  transition: border-color 0.2s ease;
}

.page-faq .faq-q:hover {
  border-left-color: var(--pulse);
}

.page-faq .faq-q[open] {
  border-left-color: var(--pulse);
}

.page-faq .faq-q > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  padding: 15px 16px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--snow);
}

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

.page-faq .faq-q > summary:focus-visible {
  outline: 3px solid var(--pulse);
  outline-offset: 2px;
}

.page-faq .faq-q__mark {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 2px solid var(--pulse);
  background: transparent;
  transition: background-color 0.18s ease;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--pulse);
}

.page-faq .faq-q__mark::before {
  width: 8px;
  height: 2px;
}

.page-faq .faq-q__mark::after {
  width: 2px;
  height: 8px;
  transition: opacity 0.18s ease;
}

.page-faq .faq-q[open] .faq-q__mark {
  background: var(--pulse);
}

.page-faq .faq-q[open] .faq-q__mark::before {
  background: var(--ink);
}

.page-faq .faq-q[open] .faq-q__mark::after {
  opacity: 0;
}

.page-faq .faq-q__a {
  padding: 0 16px 16px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
  animation: faqReveal 0.24s ease both;
}

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

.page-faq .faq-q__a a {
  color: var(--pulse);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .faq-q__a a:hover {
  color: var(--snow);
}

@media (min-width: 640px) {
  .page-faq .faq-q > summary {
    padding: 16px 20px;
  }
  .page-faq .faq-q__a {
    padding: 0 22px 20px 48px;
  }
}

@keyframes faqReveal {
  from {
    opacity: 0;
    transform: translateX(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 章节配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 18px;
  border: 3px solid var(--line);
  box-shadow: var(--faq-shadow);
  background: var(--ink-2);
}

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

/* ---------- 纠错流程 ---------- */
.page-faq .faq-flow {
  margin: 0 0 20px;
  padding: 16px;
  border: 2px solid var(--line);
  background: rgba(10, 32, 56, 0.7);
}

.page-faq .faq-flow__line {
  display: block;
  width: 100%;
  height: 12px;
}

.page-faq .faq-flow__steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-flow__step {
  display: block;
  padding: 12px 14px;
  border: 2px solid var(--line);
  background: var(--ink-2);
}

.page-faq .faq-flow__step--end {
  border-color: var(--flare);
}

.page-faq .faq-flow__n {
  display: block;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--pulse);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-flow__step--end .faq-flow__n {
  color: var(--flare);
}

.page-faq .faq-flow__t {
  display: block;
  margin: 2px 0 4px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: var(--snow);
}

.page-faq .faq-flow__d {
  display: block;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

@media (min-width: 720px) {
  .page-faq .faq-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 客服时段与联系方式 ---------- */
.page-faq .faq-timeband {
  margin: 0 0 20px;
}

.page-faq .faq-timeband__track {
  position: relative;
  height: 18px;
  border: 2px solid var(--line);
  background: var(--steel);
  overflow: hidden;
}

.page-faq .faq-timeband__on {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: var(--flare);
}

.page-faq .faq-timeband__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-cta {
  padding: clamp(18px, 3vw, 28px);
  border: 3px solid var(--pulse);
  background: var(--ink-2);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-cta__lead {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--snow);
}

.page-faq .faq-cta__list {
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-cta__row {
  display: grid;
  gap: 2px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-cta__row dt {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .faq-cta__row dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 22px);
  letter-spacing: -0.01em;
  color: var(--snow);
  word-break: break-word;
}

.page-faq .faq-cta__row dd a {
  color: var(--snow);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  text-decoration-color: var(--pulse);
}

.page-faq .faq-cta__row dd a:hover {
  color: var(--pulse);
}

.page-faq .faq-cta__note {
  margin: 0 0 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-cta__btn {
  display: inline-block;
}

@media (min-width: 720px) {
  .page-faq .faq-cta__row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

/* ---------- 无障碍与动效收敛 ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 3px solid var(--pulse);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}