.page-faq {
  --faq-gap: clamp(14px, 2vw, 24px);
  --faq-num: clamp(26px, 3.4vw, 38px);
  --faq-ident: 40px;
  --faq-num-venue: #0B9E93;
  --faq-num-update: #B48A00;
  background: var(--c-white);
}

@media (min-width: 920px) {
  .page-faq {
    --faq-ident: 52px;
  }
}

.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(30px, 7vw, 84px)) var(--pad-x) clamp(36px, 6vw, 72px);
  background:
    repeating-linear-gradient(-45deg, transparent 0 14px, rgba(15, 181, 186, 0.055) 14px 15px),
    linear-gradient(135deg, var(--c-ice) 0%, var(--c-ice) 72%, #E1F4F6 100%);
  overflow: hidden;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 5vw, 52px);
  align-items: center;
}

.page-faq .faq-hero__content {
  display: grid;
  gap: 18px;
  justify-items: start;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 10px 22px;
  margin-top: 6px;
}

.page-faq .faq-hero__stats .kpi {
  display: grid;
  gap: 2px;
}

.page-faq .faq-hero__stats .kpi__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__stats .kpi__label {
  font-size: 12px;
  color: var(--c-gray);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero__media {
  position: relative;
  aspect-ratio: 2 / 1;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  background: var(--c-ink);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

.page-faq .faq-hero__media::before {
  content: "FAQ / 帮助中心";
  position: absolute;
  right: 18px;
  top: 18px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-white);
  background: var(--c-ink);
  padding: 6px 10px;
  border-radius: 4px 0 0 4px;
}

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

.page-faq .faq-quicknav {
  position: sticky;
  top: var(--header-h);
  z-index: 30;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-ink-08);
  padding: 12px var(--pad-x);
}

.page-faq .faq-quicknav__inner {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-quicknav__title {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-gray);
  margin-right: 4px;
}

.page-faq .faq-quicknav__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--c-ink-12);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-ink);
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.page-faq .faq-quicknav__link:hover {
  border-color: var(--c-lake);
  background: var(--c-ice);
  transform: translateY(-1px);
}

.page-faq .faq-section {
  padding: var(--sec-y) var(--pad-x);
  scroll-margin-top: calc(var(--header-h) + 44px);
}

.page-faq .faq-section--white {
  background: var(--c-white);
}

.page-faq .faq-section--mist {
  background: var(--c-mist);
}

.page-faq .faq-section--ice {
  background: var(--c-ice);
}

.page-faq .faq-section--ink {
  background: var(--c-ink);
}

.page-faq .faq-section .sec-head {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-faq .faq-section--ink .sec-head__title {
  color: var(--c-white);
}

.page-faq .faq-section--ink .sec-head__index {
  color: var(--c-white);
}

.page-faq .faq-section--ink .sec-head__note {
  color: var(--c-white-60);
}

.page-faq .faq-cards {
  display: grid;
  gap: var(--faq-gap);
  min-width: 0;
}

.page-faq .faq-card--wide,
.page-faq .faq-card--block,
.page-faq .faq-tip {
  grid-column: 1 / -1;
}

.page-faq .faq-card {
  background: var(--c-white);
  border: 1px solid var(--c-ink-12);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  min-width: 0;
}

.page-faq .faq-card[open] {
  border-color: var(--c-lake);
  box-shadow: var(--shadow-2);
}

.page-faq .faq-card__head {
  display: grid;
  grid-template-columns: var(--faq-ident) 1fr auto;
  align-items: center;
  gap: 12px;
  padding: clamp(18px, 2.4vw, 26px);
  cursor: pointer;
  list-style: none;
  transition: background 0.2s var(--ease);
}

.page-faq .faq-card__head:hover {
  background: rgba(15, 181, 186, 0.05);
}

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

.page-faq .faq-card__head:focus-visible {
  outline: 2px solid var(--c-lake);
  outline-offset: -2px;
}

.page-faq .faq-card__index {
  display: grid;
  grid-template-rows: auto auto;
  justify-items: center;
  gap: 8px;
  align-self: start;
  padding-top: 2px;
}

.page-faq .faq-card__num {
  font-family: var(--font-mono);
  font-size: var(--faq-num);
  font-weight: 700;
  line-height: 1;
  color: var(--c-lake);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-card--venue .faq-card__num {
  color: var(--faq-num-venue);
}

.page-faq .faq-card--update .faq-card__num {
  color: var(--faq-num-update);
}

.page-faq .faq-card--app .faq-card__num {
  color: var(--c-ink);
}

.page-faq .faq-card--contact .faq-card__num {
  color: var(--c-lake);
}

.page-faq .faq-card__q {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-ink);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-card[open] .faq-card__q {
  color: var(--c-lake);
}

.page-faq .faq-card__icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--c-ink-12);
  border-radius: 50%;
  font-size: 18px;
  line-height: 1;
  color: var(--c-lake);
  transition: transform 0.3s var(--ease), background 0.3s, color 0.3s, border-color 0.3s;
}

.page-faq .faq-card[open] .faq-card__icon {
  transform: rotate(45deg);
  background: var(--c-lake);
  color: var(--c-white);
  border-color: var(--c-lake);
}

.page-faq .faq-card__body {
  margin-left: calc(var(--faq-ident) + 12px);
  padding: 16px clamp(18px, 2.4vw, 26px) clamp(20px, 2.4vw, 28px);
  border-top: 1px dashed var(--c-ink-12);
  color: var(--c-ink-70);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-card__body a {
  color: var(--c-lake);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .faq-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
  flex: 0 0 auto;
}

.page-faq .faq-card__index .faq-dot {
  width: 7px;
  height: 7px;
}

.page-faq .faq-dot--lake {
  background: var(--c-lake);
}

.page-faq .faq-dot--volt {
  background: var(--c-volt);
}

.page-faq .faq-dot--sun {
  background: var(--c-sun);
  box-shadow: inset 0 0 0 1px rgba(10, 42, 58, 0.18);
}

.page-faq .faq-dot--ink {
  background: var(--c-ink);
}

.page-faq .faq-tipcard {
  background: var(--c-mist);
  border-left: 3px solid var(--c-lake);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  padding: clamp(18px, 2.4vw, 26px);
  display: grid;
  align-content: center;
  gap: 10px;
}

.page-faq .faq-tipcard::before {
  content: "TIP";
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-lake);
}

.page-faq .faq-tipcard p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink-70);
}

.page-faq .faq-venue-hero {
  display: grid;
  gap: 20px;
  align-items: center;
  background: linear-gradient(120deg, var(--c-lake), #009E9F);
  color: var(--c-white);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  padding: clamp(26px, 4vw, 44px);
  margin-bottom: var(--faq-gap);
}

.page-faq .faq-venue-hero__num {
  font-family: var(--font-mono);
  font-size: clamp(52px, 7vw, 76px);
  font-weight: 800;
  line-height: 1;
  color: var(--c-white);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-venue-hero__num span {
  color: var(--c-sun);
}

.page-faq .faq-venue-hero__body h3 {
  font-size: 20px;
  margin-bottom: 8px;
  color: var(--c-white);
}

.page-faq .faq-venue-hero__body p {
  color: var(--c-white-85);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-update-grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-update-panel {
  background: var(--c-ink);
  color: var(--c-white);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  padding: clamp(22px, 3vw, 32px);
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-faq .faq-update-panel__title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-sun);
  text-transform: uppercase;
}

.page-faq .faq-update-panel__list {
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-update-panel__item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-white-12);
}

.page-faq .faq-update-panel__label {
  font-size: 14px;
  color: var(--c-white-60);
}

.page-faq .faq-update-panel__value {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-volt);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-faq .faq-tip {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--c-sun);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  padding: 18px 22px;
}

.page-faq .faq-tip__mark {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: var(--c-ink);
  color: var(--c-sun);
  font-weight: 900;
  font-size: 16px;
  border-radius: 6px;
}

.page-faq .faq-tip__text {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-contact-panel {
  background: var(--c-white);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

.page-faq .faq-contact-panel__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

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

.page-faq .faq-contact-panel__body {
  padding: clamp(20px, 3vw, 28px);
  display: grid;
  gap: 16px;
}

.page-faq .faq-contact-panel__title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-lake);
  text-transform: uppercase;
}

.page-faq .faq-contact__list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact__item {
  display: grid;
  gap: 3px;
  padding: 12px 14px;
  background: var(--c-mist);
  color: var(--c-ink);
  text-decoration: none;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-contact__item:hover {
  background: var(--c-ice);
  transform: translateX(4px);
}

.page-faq .faq-contact__label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-gray);
}

.page-faq .faq-contact__value {
  font-size: 17px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}

.page-faq .faq-contact__addr {
  padding: 14px 16px;
  border: 1px dashed var(--c-ink-12);
  border-radius: 6px;
}

.page-faq .faq-contact__addr .faq-contact__label {
  display: block;
  margin-bottom: 4px;
}

.page-faq .faq-contact__addr p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-70);
}

@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }

  .page-faq .faq-cards--grid2 {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-card__head {
    gap: 16px;
  }

  .page-faq .faq-venue-hero {
    grid-template-columns: 1fr 1.5fr;
  }

  .page-faq .faq-update-grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-faq .faq-update-panel {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}