.page-faq {
  --faq-rail: 288px;
  --faq-gap: clamp(20px, 3vw, 40px);
  --faq-ink: #2A2A2C;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-faq .breadcrumbs__item {
  color: var(--muted);
  text-decoration: none;
}

.page-faq .breadcrumbs__item[href]:hover,
.page-faq .breadcrumbs__item[href]:focus-visible {
  color: var(--gold-deep);
}

.page-faq .breadcrumbs__sep {
  color: var(--champagne);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: var(--faq-gap);
  padding: clamp(24px, 4vw, 56px) 0 clamp(28px, 4vw, 56px);
  background-image:
    linear-gradient(rgba(11, 11, 12, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 11, 12, 0.045) 1px, transparent 1px);
  background-size: 34px 34px;
}

.page-faq .faq-hero__figure {
  margin: 0;
  max-width: 520px;
}

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

.page-faq .faq-hero__text .eyebrow {
  margin-bottom: 14px;
}

.page-faq .faq-hero__text .title-xl {
  margin: 0 0 18px;
  color: var(--black);
  overflow-wrap: break-word;
}

.page-faq .faq-hero__text .lede {
  margin: 0 0 24px;
  color: var(--faq-ink);
}

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

@media (min-width: 920px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }
}

/* ---------- 三色分隔 ---------- */
.page-faq .divider-flag {
  margin: 0 0 clamp(24px, 4vw, 48px);
}

/* ---------- 索引 + 问答主体 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  padding-bottom: clamp(40px, 6vw, 80px);
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index {
  border: var(--edge) solid var(--black);
  background: var(--ivory);
  box-shadow: var(--hard-shadow-sm);
  padding: 18px 18px 20px;
}

@media (min-width: 1000px) {
  .page-faq .faq-index {
    position: sticky;
    top: 24px;
    max-height: calc(100vh - 48px);
    overflow-y: auto;
  }
}

.page-faq .faq-index__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--black);
}

.page-faq .faq-index__count {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--gold-deep);
}

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

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-search__input {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: var(--edge) solid var(--black);
  background: var(--marble);
  color: var(--graphite);
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.5;
  appearance: none;
  border-radius: 0;
}

.page-faq .faq-search__input::placeholder {
  color: var(--muted);
}

.page-faq .faq-search__input:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: 2px;
  background: var(--ivory);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  border-top: var(--edge) solid var(--black);
}

.page-faq .faq-index__item {
  border-bottom: 1px solid rgba(11, 11, 12, 0.16);
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 10px;
  border-left: 3px solid transparent;
  color: var(--graphite);
  font-size: var(--fs-14);
  line-height: 1.5;
  text-decoration: none;
  transition: border-color 180ms ease-out, background-color 180ms ease-out, color 180ms ease-out;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--green);
  background: var(--marble);
  color: var(--black);
}

.page-faq .faq-index__link:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: 2px;
}

.page-faq .faq-index__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-faq .faq-index__text {
  font-weight: 600;
}

.page-faq .faq-index__hint {
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 分组 ---------- */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 24px;
  animation: faq-rise 520ms ease-out both;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 4vw, 52px);
  padding-top: clamp(30px, 4vw, 52px);
  border-top: var(--edge) solid var(--black);
}

.page-faq .faq-group__head {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
  padding-left: 16px;
  border-left: 6px solid var(--black);
}

.page-faq #faq-enroll .faq-group__head { border-left-color: var(--green); }
.page-faq #faq-manager .faq-group__head { border-left-color: var(--indigo); }
.page-faq #faq-library .faq-group__head { border-left-color: var(--forest); }
.page-faq #faq-review .faq-group__head { border-left-color: var(--wine); }
.page-faq #faq-privacy .faq-group__head { border-left-color: var(--gold-deep); }
.page-faq #faq-contact .faq-group__head { border-left-color: var(--red); }

.page-faq .faq-group__num {
  display: inline-block;
  width: fit-content;
  padding: 4px 10px;
  background: var(--black);
  color: var(--champagne);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
}

.page-faq .faq-group__head .title-lg {
  margin: 0;
  color: var(--black);
}

.page-faq .faq-group__intro {
  margin: 0;
  max-width: 66ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--faq-ink);
}

/* ---------- 手风琴 ---------- */
.page-faq .accordion {
  border-top: var(--edge) solid var(--black);
}

.page-faq .accordion__item {
  border-bottom: 1px solid rgba(11, 11, 12, 0.16);
  border-left: 3px solid transparent;
  background: transparent;
  transition: border-color 180ms ease-out, background-color 180ms ease-out, box-shadow 180ms ease-out;
}

.page-faq .accordion__item:hover {
  border-left-color: var(--champagne);
  background: rgba(255, 255, 255, 0.6);
}

.page-faq .accordion__item[data-open] {
  border-left-color: var(--gold-deep);
  background: var(--ivory);
  box-shadow: var(--hard-shadow-sm);
}

.page-faq .accordion__trigger {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  box-sizing: border-box;
  padding: 16px 18px;
  border: 0;
  background: transparent;
  color: var(--graphite);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
}

.page-faq .accordion__trigger:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: -2px;
}

.page-faq .faq-qnum {
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--muted);
  transition: color 200ms ease-out;
}

.page-faq .accordion__item[data-open] .faq-qnum {
  color: var(--gold-deep);
}

.page-faq .accordion__question {
  flex: 1 1 auto;
  min-width: 0;
  overflow-wrap: break-word;
}

.page-faq .accordion__icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

.page-faq .accordion__icon::before,
.page-faq .accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--red);
  transition: transform 220ms ease-out;
}

.page-faq .accordion__icon::before {
  width: 2px;
  height: 16px;
  transform: translate(-50%, -50%);
}

.page-faq .accordion__icon::after {
  width: 16px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .accordion__item[data-open] .accordion__icon::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.page-faq .accordion__item[data-open] .accordion__icon::after {
  transform: translate(-50%, -50%) rotate(45deg);
}

.page-faq .accordion__panel {
  overflow: hidden;
}

.page-faq .accordion__inner {
  margin: 0 18px 18px 18px;
  padding-left: 16px;
  border-left: 2px solid var(--champagne);
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--faq-ink);
  overflow-wrap: break-word;
}

.page-faq .accordion__inner a {
  color: var(--forest);
  text-decoration: underline;
  text-decoration-color: var(--champagne);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-faq .accordion__inner a:hover,
.page-faq .accordion__inner a:focus-visible {
  color: var(--wine);
  text-decoration-color: var(--red);
}

/* ---------- 联系方式块 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 20px;
  margin-top: 24px;
  padding: 20px;
  border: var(--edge) solid var(--black);
  background: var(--ivory);
  box-shadow: var(--hard-shadow-sm);
}

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

.page-faq .faq-contact .footer-contact__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(11, 11, 12, 0.14);
}

.page-faq .faq-contact .footer-contact__row:first-child {
  padding-top: 0;
}

.page-faq .faq-contact .footer-contact__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.page-faq .faq-contact .footer-contact__value {
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--graphite);
  overflow-wrap: break-word;
}

.page-faq .faq-contact .footer-contact__note {
  margin: 14px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--faq-ink);
}

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

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

@media (min-width: 760px) {
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    align-items: center;
    gap: 28px;
    padding: 24px;
  }
}

/* ---------- 收尾评价入口 ---------- */
.page-faq .faq-closing {
  margin-top: clamp(8px, 2vw, 24px);
  padding: clamp(28px, 4vw, 52px) clamp(20px, 3vw, 40px);
  background: var(--black);
  color: var(--marble);
  border: var(--edge) solid var(--black);
  box-shadow: var(--hard-shadow);
}

.page-faq .faq-closing .title-md {
  margin: 12px 0 14px;
  color: var(--marble);
}

.page-faq .faq-closing__text {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: rgba(244, 241, 234, 0.82);
}

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

/* ---------- 动效与降级 ---------- */
@keyframes faq-rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-group {
    animation: none;
  }

  .page-faq .accordion__icon::before,
  .page-faq .accordion__icon::after,
  .page-faq .faq-qnum,
  .page-faq .faq-index__link,
  .page-faq .accordion__item {
    transition-duration: 1ms;
  }
}