.page-faq {
  --faq-rule: 1px solid var(--hp-line);
  --faq-shadow: 6px 6px 0 rgba(58, 63, 69, 0.06);
  background: var(--hp-mist);
  color: var(--hp-ink);
}

/* ---------- 首屏主题声明 ---------- */
.page-faq .faq-masthead {
  position: relative;
  overflow: hidden;
  padding: calc(var(--hp-header-h) + 44px) 0 56px;
  background: linear-gradient(160deg, var(--hp-blue-deep) 0%, #0a5a70 62%, #0d6379 100%);
  color: var(--hp-mist);
}

.page-faq .faq-masthead::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -58%;
  width: 62%;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(127, 191, 212, 0.38), rgba(127, 191, 212, 0) 72%);
  pointer-events: none;
}

.page-faq .faq-masthead .hp-shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-masthead .hp-breadcrumb {
  color: rgba(245, 244, 240, 0.68);
}

.page-faq .faq-masthead .hp-breadcrumb a {
  color: rgba(245, 244, 240, 0.88);
}

.page-faq .faq-masthead .hp-eyebrow {
  color: var(--hp-yellow);
}

.page-faq .faq-masthead__grid {
  display: grid;
  gap: 34px;
  margin-top: 22px;
}

.page-faq .faq-masthead__lead h1 {
  margin: 12px 0 16px;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  font-weight: 800;
  max-width: 14em;
}

.page-faq .faq-masthead__lead .hp-lead {
  max-width: 36em;
  color: rgba(245, 244, 240, 0.84);
  font-size: 16px;
  line-height: 1.78;
}

.page-faq .faq-masthead__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: 0;
  padding-top: 20px;
  border-top: 2px solid var(--hp-yellow);
}

.page-faq .faq-stats__cell dt {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: rgba(245, 244, 240, 0.66);
}

.page-faq .faq-stats__cell dd {
  margin: 6px 0 0;
  font-family: var(--hp-font-mono);
  font-size: 26px;
  line-height: 1.1;
  color: var(--hp-yellow);
}

/* ---------- 通用区块节奏 ---------- */
.page-faq .faq-section {
  padding: 56px 0;
}

.page-faq .faq-section-head {
  max-width: 700px;
  margin-bottom: 32px;
}

.page-faq .faq-section-head h2 {
  margin: 12px 0 14px;
  font-size: clamp(24px, 4.6vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.012em;
  font-weight: 800;
}

.page-faq .faq-section-head .hp-lead {
  margin: 0;
  color: rgba(58, 63, 69, 0.82);
}

/* ---------- 横向步骤带 ---------- */
.page-faq .faq-stepband {
  background: var(--hp-mist);
  border-bottom: var(--faq-rule);
}

.page-faq .faq-steps-wrap {
  position: relative;
}

.page-faq .faq-steps {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(258px, 76vw);
  gap: 14px;
  margin: 0;
  padding: 4px 0 22px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--hp-blue-light) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-steps:focus-visible {
  outline: 2px solid var(--hp-blue);
  outline-offset: 4px;
}

.page-faq .faq-step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 24px;
  background: var(--hp-paper);
  border: var(--faq-rule);
  box-shadow: var(--faq-shadow);
  scroll-snap-align: start;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 4px;
  background: var(--hp-blue-light);
}

.page-faq .faq-step--now {
  border-color: rgba(192, 57, 43, 0.42);
  background: #fdf8f5;
}

.page-faq .faq-step--now::before {
  width: 76px;
  background: var(--hp-red);
}

.page-faq .faq-step__num {
  font-family: var(--hp-font-mono);
  font-size: 38px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--hp-blue);
}

.page-faq .faq-step--now .faq-step__num {
  color: var(--hp-red);
}

.page-faq .faq-step__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
  font-weight: 700;
}

.page-faq .faq-step__body {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(58, 63, 69, 0.86);
}

.page-faq .faq-step__check {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--hp-line);
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(58, 63, 69, 0.72);
}

.page-faq .faq-step__check strong {
  color: var(--hp-moss);
  font-weight: 700;
}

.page-faq .faq-steps-fade {
  position: absolute;
  top: 0;
  right: 0;
  width: 46px;
  height: calc(100% - 22px);
  pointer-events: none;
  background: linear-gradient(90deg, rgba(245, 244, 240, 0), var(--hp-mist) 76%);
}

.page-faq .faq-stepband .hp-note {
  margin: 6px 0 0;
}

.page-faq .faq-step-media {
  margin: 30px 0 0;
  border: var(--faq-rule);
  background: var(--hp-paper);
  padding: 10px;
  box-shadow: var(--faq-shadow);
}

/* ---------- 筛选与问答 ---------- */
.page-faq .faq-answers {
  background: var(--hp-sand);
  border-bottom: var(--faq-rule);
}

.page-faq .faq-topics-media {
  margin: 0 0 28px;
  border: var(--faq-rule);
  background: var(--hp-paper);
  padding: 8px;
}

.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.page-faq .faq-filter {
  appearance: none;
  border: var(--faq-rule);
  background: var(--hp-paper);
  color: var(--hp-ink);
  font: inherit;
  font-size: 14px;
  line-height: 1;
  padding: 11px 16px;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-filter:hover {
  border-color: var(--hp-blue);
  color: var(--hp-blue-deep);
}

.page-faq .faq-filter.is-current {
  background: var(--hp-yellow);
  border-color: var(--hp-yellow);
  color: #2b2820;
  font-weight: 700;
}

.page-faq .faq-filter:focus-visible {
  outline: 2px solid var(--hp-blue);
  outline-offset: 2px;
}

.page-faq .faq-answers__grid {
  display: grid;
  gap: 26px;
}

.page-faq .faq-side {
  display: none;
}

.page-faq .faq-side__title {
  margin: 0 0 16px;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--hp-blue);
}

.page-faq .faq-side__list {
  display: grid;
  gap: 15px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-side__item {
  padding-left: 14px;
  border-left: 2px solid var(--hp-blue-light);
}

.page-faq .faq-side__item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-side__item span {
  display: block;
  font-size: 13px;
  line-height: 1.62;
  color: rgba(58, 63, 69, 0.72);
}

.page-faq .faq-qa-list {
  min-width: 0;
}

.page-faq .faq-item {
  margin: 0 0 12px;
  background: var(--hp-paper);
  border: var(--faq-rule);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

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

.page-faq .faq-item[open] {
  border-color: rgba(14, 110, 140, 0.42);
  box-shadow: 6px 6px 0 rgba(14, 110, 140, 0.08);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16.5px;
  line-height: 1.52;
  font-weight: 700;
  color: var(--hp-ink);
}

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

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--hp-blue);
  outline-offset: -2px;
}

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 5px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--hp-blue);
  transition: transform 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-item__mark::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--hp-red);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
}

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

.page-faq .faq-item__tag {
  display: inline-block;
  margin-left: 10px;
  vertical-align: 2px;
  padding: 3px 8px;
  font-family: var(--hp-font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.06em;
  white-space: nowrap;
  color: var(--hp-moss);
  background: rgba(110, 127, 85, 0.1);
  border: 1px solid rgba(110, 127, 85, 0.28);
}

.page-faq .faq-item__answer {
  margin: 0 20px;
  padding: 16px 0 20px 32px;
  border-top: 1px solid var(--hp-sand);
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(58, 63, 69, 0.88);
}

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

.page-faq .faq-item__answer a {
  color: var(--hp-blue-deep);
  text-decoration: underline;
  text-decoration-color: var(--hp-blue-light);
  text-underline-offset: 3px;
}

.page-faq .faq-item__answer a:hover {
  color: var(--hp-blue);
}

/* ---------- 联系收尾 ---------- */
.page-faq .faq-reach {
  background: var(--hp-mist);
}

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

.page-faq .faq-reach__intro h2 {
  margin: 12px 0 14px;
  font-size: clamp(24px, 4.6vw, 36px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.012em;
}

.page-faq .faq-reach__intro p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(58, 63, 69, 0.86);
}

.page-faq .faq-reach__list {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-reach__item {
  display: grid;
  gap: 10px;
  padding: 18px 20px;
  background: var(--hp-paper);
  border: var(--faq-rule);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-reach__label {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--hp-blue);
}

.page-faq .faq-reach__list .hp-copy {
  justify-self: start;
  display: inline-block;
  padding: 10px 14px;
  font-family: var(--hp-font-mono);
  font-size: 15px;
  line-height: 1.2;
  text-align: left;
  color: var(--hp-blue-deep);
  background: var(--hp-mist);
  border: 1px solid rgba(14, 110, 140, 0.28);
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-reach__list .hp-copy:hover {
  border-color: var(--hp-blue);
}

.page-faq .faq-reach__list .hp-copy[data-copied],
.page-faq .faq-reach__list .hp-copy[data-copy-done] {
  background: var(--hp-yellow);
  border-color: var(--hp-yellow);
  color: #2b2820;
}

.page-faq .faq-reach__hours {
  margin: 4px 0 0;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: rgba(58, 63, 69, 0.66);
}

.page-faq .faq-reach__more {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(58, 63, 69, 0.8);
}

.page-faq .faq-reach__more a {
  color: var(--hp-blue-deep);
  text-decoration: underline;
  text-decoration-color: var(--hp-blue-light);
  text-underline-offset: 3px;
}

.page-faq .faq-reach__more a:hover {
  color: var(--hp-blue);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-faq .faq-section {
    padding: 76px 0;
  }

  .page-faq .faq-steps {
    grid-auto-columns: minmax(300px, 336px);
    gap: 18px;
  }

  .page-faq .faq-step {
    padding: 30px 26px 26px;
  }

  .page-faq .faq-item__summary {
    padding: 20px 24px;
    font-size: 17px;
  }

  .page-faq .faq-item__answer {
    margin: 0 24px;
    padding: 18px 0 22px 32px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-masthead {
    padding: calc(var(--hp-header-h) + 64px) 0 76px;
  }

  .page-faq .faq-masthead__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: 56px;
  }

  .page-faq .faq-section {
    padding: 92px 0;
  }

  .page-faq .faq-section-head {
    margin-bottom: 40px;
  }

  .page-faq .faq-steps {
    grid-auto-columns: minmax(300px, 360px);
  }

  .page-faq .faq-answers__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-side {
    display: block;
    position: sticky;
    top: calc(var(--hp-header-h) + 24px);
    padding: 24px 22px;
    background: var(--hp-mist);
    border: var(--faq-rule);
  }

  .page-faq .faq-reach__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 60px;
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-steps {
    grid-auto-columns: minmax(320px, 380px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-filter,
  .page-faq .faq-item,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-reach__list .hp-copy {
    transition: none;
  }
}
</main>