.page-faq {
  --faq-gap: clamp(18px, 3vw, 32px);
  --faq-rail-w: 240px;
  background: var(--ht-snow);
  color: var(--ht-ink);
}

.page-faq a:focus-visible,
.page-faq button:focus-visible {
  outline: 2px solid var(--ht-orange);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(52px, 7vw, 96px) 0 clamp(74px, 9vw, 122px);
  background: linear-gradient(158deg, #0B4F9E 0%, #06335F 54%, #052943 100%);
  color: #fff;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 48px), 0 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -20%;
  right: -14%;
  width: min(64vw, 620px);
  height: min(64vw, 620px);
  background: linear-gradient(150deg, rgba(215, 38, 61, .88), rgba(242, 107, 56, .52) 55%, rgba(232, 163, 61, 0) 100%);
  clip-path: polygon(100% 0, 100% 100%, 0 66%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -8%;
  bottom: -26%;
  width: min(46vw, 400px);
  height: min(46vw, 400px);
  background: radial-gradient(circle at 34% 34%, rgba(232, 163, 61, .46), rgba(232, 163, 61, 0) 70%);
  pointer-events: none;
}

.page-faq .faq-hero__crumb {
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-faq .faq-hero__crumb .ht-breadcrumb__link {
  color: rgba(255, 255, 255, .8);
}

.page-faq .faq-hero__crumb .ht-breadcrumb__link:hover {
  color: #fff;
}

.page-faq .faq-hero__crumb .ht-breadcrumb__item span {
  color: rgba(255, 255, 255, .58);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  align-items: end;
}

.page-faq .faq-hero__eyebrow {
  color: rgba(255, 255, 255, .72);
  margin: 0 0 14px;
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--ht-font-head);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-faq .faq-hero__lede {
  margin: 0;
  font-size: clamp(15.5px, 2.2vw, 17.5px);
  line-height: 1.8;
  color: rgba(255, 255, 255, .86);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, .24);
}

.page-faq .faq-stats__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 22px 0 0;
  margin-right: 22px;
  border-right: 1px solid rgba(255, 255, 255, .18);
}

.page-faq .faq-stats__item:last-child {
  border-right: 0;
  margin-right: 0;
  padding-right: 0;
}

.page-faq .faq-stats__n {
  font-family: var(--ht-font-mono);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.1;
  color: var(--ht-gold);
}

.page-faq .faq-stats__l {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .66);
}

/* ---------- 栏目索引 ---------- */
.page-faq .faq-index {
  background: var(--ht-snow);
}

.page-faq .faq-index__head {
  max-width: 700px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-index__head .ht-title {
  margin: 10px 0 14px;
}

.page-faq .faq-index__head .ht-lede {
  margin: 0;
}

.page-faq .faq-index__figure {
  margin: 0 0 clamp(26px, 4vw, 44px);
  position: relative;
}

.page-faq .faq-index__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--ht-radius);
}

.page-faq .faq-index__grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--ht-line-strong);
  border-left: 1px solid var(--ht-line);
}

.page-faq .faq-cell {
  position: relative;
  display: block;
  padding: 20px 18px 24px;
  border-right: 1px solid var(--ht-line);
  border-bottom: 1px solid var(--ht-line);
  text-decoration: none;
  color: inherit;
  transition: background-color .25s ease;
}

.page-faq .faq-cell:hover {
  background: rgba(111, 179, 224, .1);
}

.page-faq .faq-cell__bar {
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 3px;
  transition: width .28s ease;
}

.page-faq .faq-cell:hover .faq-cell__bar,
.page-faq .faq-cell:focus-visible .faq-cell__bar {
  width: 100%;
}

.page-faq .faq-cell:nth-child(4n+1) .faq-cell__bar { background: var(--ht-blue); }
.page-faq .faq-cell:nth-child(4n+2) .faq-cell__bar { background: var(--ht-red); }
.page-faq .faq-cell:nth-child(4n+3) .faq-cell__bar { background: var(--ht-gold); }
.page-faq .faq-cell:nth-child(4n+4) .faq-cell__bar { background: var(--ht-green); }

.page-faq .faq-cell__no {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ht-mist);
  margin-bottom: 12px;
}

.page-faq .faq-cell__name {
  display: block;
  font-family: var(--ht-font-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ht-ink);
  margin-bottom: 6px;
}

.page-faq .faq-cell__desc {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ht-mist);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-shell__rail .ht-eyebrow {
  margin: 0;
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 22px;
}

.page-faq .faq-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ht-line-strong);
}

.page-faq .faq-rail li {
  border-bottom: 1px solid var(--ht-line);
}

.page-faq .faq-rail a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 2px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ht-ink);
  text-decoration: none;
  transition: color .2s ease, padding-left .2s ease;
}

.page-faq .faq-rail a:hover {
  color: var(--ht-red);
  padding-left: 10px;
}

.page-faq .faq-rail .ht-num {
  font-size: 11.5px;
  color: var(--ht-mist);
  letter-spacing: .1em;
}

.page-faq .faq-empty {
  margin: 0 0 20px;
  padding: 14px 16px;
  border-left: 3px solid var(--ht-gold);
  background: rgba(232, 163, 61, .12);
}

.page-faq .faq-block {
  padding-top: clamp(24px, 3.4vw, 38px);
  padding-bottom: clamp(20px, 3vw, 32px);
  border-top: 2px solid var(--ht-blue);
  scroll-margin-top: 120px;
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(28px, 4vw, 52px);
}

.page-faq .faq-block__num {
  margin: 0 0 10px;
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--ht-red);
  text-transform: uppercase;
}

.page-faq .faq-block__title {
  margin: 0 0 8px;
  font-family: var(--ht-font-serif);
  font-weight: 600;
  font-size: clamp(21px, 3vw, 29px);
  line-height: 1.35;
  color: var(--ht-ink);
}

.page-faq .faq-block__note {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ht-mist);
}

.page-faq .faq-figure {
  margin: 0 0 22px;
  position: relative;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--ht-radius);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--ht-line);
}

.page-faq .ht-disclosure__trigger {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 18px 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-q {
  font-family: var(--ht-font-head);
  font-weight: 700;
  font-size: clamp(15.5px, 2.1vw, 17px);
  line-height: 1.58;
  color: var(--ht-ink);
  transition: color .2s ease;
}

.page-faq .ht-disclosure__trigger:hover .faq-q {
  color: var(--ht-blue);
}

.page-faq .ht-disclosure.is-on .faq-q {
  color: var(--ht-blue);
}

.page-faq .ht-disclosure__icon {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 4px;
}

.page-faq .ht-disclosure__icon::before,
.page-faq .ht-disclosure__icon::after {
  content: "";
  position: absolute;
  background: var(--ht-red);
  transition: transform .3s ease, background-color .3s ease;
}

.page-faq .ht-disclosure__icon::before {
  left: 50%;
  top: 1px;
  width: 2px;
  height: 18px;
  transform: translateX(-50%);
}

.page-faq .ht-disclosure__icon::after {
  top: 50%;
  left: 1px;
  width: 18px;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .ht-disclosure.is-on .ht-disclosure__icon::before {
  transform: translateX(-50%) rotate(90deg);
  background: var(--ht-orange);
}

.page-faq .ht-disclosure.is-on .ht-disclosure__icon::after {
  background: var(--ht-orange);
}

.page-faq .ht-disclosure__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .34s ease;
}

.page-faq .ht-disclosure__panel > .ht-disclosure__body {
  overflow: hidden;
}

.page-faq .ht-disclosure.is-on .ht-disclosure__panel {
  grid-template-rows: 1fr;
}

.page-faq .ht-disclosure__body {
  padding: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--ht-ink);
}

.page-faq .ht-disclosure__body p {
  margin: 0 0 12px;
}

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

.page-faq .faq-checklist {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  border-top: 1px solid var(--ht-line);
}

.page-faq .faq-checklist li {
  display: flex;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--ht-line);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ht-ink);
}

.page-faq .faq-checklist .ht-num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ht-green);
  padding-top: 3px;
}

/* ---------- 联系卡片 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--ht-line-strong);
}

.page-faq .faq-contact__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 18px 20px 0;
  border-bottom: 1px solid var(--ht-line);
  text-decoration: none;
  color: inherit;
  transition: background-color .25s ease;
}

.page-faq .faq-contact__card[href]:hover {
  background: rgba(111, 179, 224, .1);
}

.page-faq .faq-contact__k {
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--ht-blue);
  font-weight: 700;
}

.page-faq .faq-contact__v {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ht-ink);
  word-break: break-word;
}

.page-faq .faq-contact__go {
  position: absolute;
  right: 0;
  bottom: 20px;
  font-size: 18px;
  color: var(--ht-red);
  transition: transform .2s ease;
}

.page-faq .faq-contact__card[href]:hover .faq-contact__go {
  transform: translateX(5px);
}

.page-faq .faq-contact__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--ht-line-strong);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-index__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(2, 1fr);
    column-gap: clamp(20px, 3vw, 34px);
  }
}

@media (min-width: 920px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 76px);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-index__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
  }

  .page-faq .faq-shell__rail {
    position: sticky;
    top: 108px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cell__bar,
  .page-faq .faq-q,
  .page-faq .faq-contact__go,
  .page-faq .ht-disclosure__icon::before,
  .page-faq .ht-disclosure__icon::after,
  .page-faq .ht-disclosure__panel,
  .page-faq .faq-rail a {
    transition: none;
  }
}