.page-faq {
  --faq-pad: clamp(18px, 4vw, 48px);
  background: var(--mp-ink);
  color: var(--mp-text);
  padding-bottom: clamp(56px, 8vw, 104px);
}

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

.page-faq .mp-crumbs {
  max-width: var(--mp-shell);
  margin-inline: auto;
  padding: 22px var(--mp-gutter) 0;
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  padding-top: clamp(22px, 4vw, 42px);
  padding-bottom: clamp(30px, 5vw, 54px);
  align-items: end;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(2rem, 6.4vw, 3.5rem);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.015em;
}

.page-faq .faq-hero__light {
  display: inline;
  font-weight: 500;
  color: var(--mp-muted);
}

.page-faq .faq-hero .mp-lede {
  margin-top: 18px;
  max-width: 48ch;
  color: var(--mp-muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-faq .faq-hero__fig {
  margin: 0;
  border-top: 2px solid var(--mp-lime);
  padding-top: 12px;
}

/* 索引条 */
.page-faq .faq-index {
  border-top: 1px solid var(--mp-line);
  border-bottom: 1px solid var(--mp-line);
  background: var(--mp-panel);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

.page-faq .faq-index::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index__list {
  display: flex;
  align-items: stretch;
  width: max-content;
  min-width: 100%;
  margin: 0;
  padding: 0 var(--mp-gutter);
  list-style: none;
}

.page-faq .faq-index__list li {
  display: flex;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  padding: 15px 18px;
  font-family: var(--mp-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mp-muted);
  text-decoration: none;
  white-space: nowrap;
  border-right: 1px solid var(--mp-line);
  transition: color 200ms var(--mp-ease), background-color 200ms var(--mp-ease);
}

.page-faq .faq-index__list li:first-child .faq-index__link {
  border-left: 1px solid var(--mp-line);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--mp-ink);
  background: var(--mp-lime);
  outline: none;
}

/* 区块节奏 */
.page-faq .faq-sec {
  padding-top: clamp(44px, 6vw, 78px);
}

.page-faq .faq-sec__head {
  margin-bottom: clamp(18px, 3vw, 30px);
  border-left: 3px solid var(--mp-lime);
  padding-left: 14px;
}

.page-faq .faq-sec__head .mp-h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  line-height: 1.3;
}

.page-faq .faq-sec__sub {
  margin: 8px 0 0;
  color: var(--mp-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* 六问速答 */
.page-faq .faq-quick {
  display: grid;
  gap: 1px;
  background: var(--mp-line);
  border: 1px solid var(--mp-line);
}

.page-faq .faq-quick__item {
  position: relative;
  overflow: hidden;
  background: var(--mp-panel);
  padding: 20px 18px 34px;
  transition: background-color 200ms var(--mp-ease);
}

.page-faq .faq-quick__item:hover,
.page-faq .faq-quick__item:focus-within {
  background: var(--mp-raise);
}

.page-faq .faq-quick__no {
  display: block;
  font-family: var(--mp-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mp-lime);
}

.page-faq .faq-quick__q {
  margin: 10px 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.42;
}

.page-faq .faq-quick__a {
  margin: 0;
  color: var(--mp-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-quick__hint {
  position: absolute;
  inset: auto 0 0 0;
  padding: 10px 18px;
  background: var(--mp-raise);
  border-top: 1px solid var(--mp-line);
  color: var(--mp-lime);
  font-size: 12px;
  line-height: 1.55;
  transform: translateY(100%);
  transition: transform 240ms var(--mp-ease);
  pointer-events: none;
}

.page-faq .faq-quick__item:hover .faq-quick__hint,
.page-faq .faq-quick__item:focus-within .faq-quick__hint {
  transform: translateY(0);
}

/* 章节配图 */
.page-faq .faq-fig {
  margin: 0 0 clamp(22px, 4vw, 34px);
}

/* 展开组 */
.page-faq .faq-answers {
  border-top: 1px solid var(--mp-line);
}

.page-faq .faq-answers .mp-expand {
  border-bottom: 1px solid var(--mp-line);
}

.page-faq .mp-expand__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 18px 2px;
  background: none;
  border: 0;
  color: inherit;
  font-family: inherit;
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 700;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: color 200ms var(--mp-ease);
}

.page-faq .mp-expand__trigger:hover,
.page-faq .mp-expand__trigger:focus-visible {
  color: var(--mp-lime);
  outline: none;
}

.page-faq .mp-expand__icon {
  flex: 0 0 auto;
  transition: transform 240ms var(--mp-ease);
}

.page-faq .mp-expand__trigger[aria-expanded="true"] .mp-expand__icon {
  transform: rotate(180deg);
}

.page-faq .mp-expand__trigger[aria-expanded="true"] {
  color: var(--mp-lime);
}

.page-faq .mp-expand__panel {
  background: var(--mp-panel);
  transition: background-color 240ms var(--mp-ease);
}

.page-faq .mp-expand__panel[data-open="true"] {
  background: var(--mp-raise);
}

.page-faq .mp-expand__body {
  margin-left: 2px;
  padding: 4px 18px 22px;
  border-left: 2px solid var(--mp-lime);
  color: var(--mp-muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .mp-expand__body p {
  margin: 0 0 12px;
}

.page-faq .mp-expand__body p:last-child {
  margin-bottom: 0;
}

.page-faq .mp-expand__body a {
  color: var(--mp-lime);
  text-decoration: none;
  border-bottom: 1px solid var(--mp-line);
}

.page-faq .mp-expand__body a:hover {
  border-bottom-color: var(--mp-lime);
}

/* 联系区块 */
.page-faq .faq-support {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-faq .faq-support__list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-support__item {
  border-top: 1px solid var(--mp-line);
  padding-top: 14px;
}

.page-faq .faq-support__item strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--mp-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--mp-lime);
}

.page-faq .faq-support__item p {
  margin: 0;
  color: var(--mp-muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-support__item a {
  color: var(--mp-text);
  text-decoration: none;
  border-bottom: 1px solid var(--mp-lime);
}

.page-faq .faq-support__item a:hover {
  color: var(--mp-lime);
}

.page-faq .faq-support__card {
  background: var(--mp-panel);
  border-left: 3px solid var(--mp-lime);
  padding: clamp(20px, 3vw, 30px);
}

.page-faq .faq-support__card .mp-label {
  display: block;
  margin: 0 0 14px;
}

.page-faq .faq-support__contact {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-support__contact li {
  color: var(--mp-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-support__contact b {
  display: block;
  margin-bottom: 3px;
  color: var(--mp-text);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.page-faq .faq-support__val {
  font-family: var(--mp-mono);
  font-size: 15px;
  color: var(--mp-text);
  word-break: break-all;
}

.page-faq .faq-support__note {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--mp-line);
  color: var(--mp-muted);
  font-size: 13px;
  line-height: 1.7;
}

@media (min-width: 640px) {
  .page-faq .faq-quick {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
  }

  .page-faq .faq-expand-wrap {
    display: block;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-hero h1 {
    letter-spacing: 0;
    font-size: clamp(1.75rem, 8.4vw, 2.2rem);
  }

  .page-faq .faq-quick__item {
    padding: 16px 14px 32px;
  }

  .page-faq .mp-expand__trigger {
    padding: 15px 0;
    gap: 12px;
  }

  .page-faq .mp-expand__body {
    padding: 4px 14px 18px;
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__hint,
  .page-faq .mp-expand__icon,
  .page-faq .mp-expand__panel,
  .page-faq .faq-quick__item {
    transition-duration: 0.01ms;
  }

  .page-faq .faq-quick__item:hover .faq-quick__hint,
  .page-faq .faq-quick__item:focus-within .faq-quick__hint {
    transform: translateY(0);
  }
}