.page-faq {
  --faq-ink: var(--sq-space);
  --faq-line: rgba(7, 26, 43, 0.14);
  background: var(--sq-warm);
  color: var(--sq-ink);
  font-family: var(--sq-font-body);
}

.page-faq .faq-crumbs {
  padding-top: clamp(14px, 2.4vw, 22px);
  font-family: var(--sq-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(247, 243, 232, 0.7);
}

.page-faq .faq-crumbs .sq-crumbs__link {
  color: var(--sq-cyan);
  text-decoration: none;
}

.page-faq .faq-crumbs .sq-crumbs__link:hover,
.page-faq .faq-crumbs .sq-crumbs__link:focus-visible {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 100% at 88% -10%, rgba(44, 242, 210, 0.2), transparent 58%),
    radial-gradient(90% 80% at 0% 100%, rgba(255, 107, 26, 0.18), transparent 60%),
    linear-gradient(155deg, var(--sq-space) 0%, #0a2438 55%, var(--sq-lamp) 100%);
  color: var(--sq-warm);
  padding-bottom: clamp(52px, 8vw, 92px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), 0 100%);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(28px, 5vw, 56px);
  align-items: end;
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--sq-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sq-cyan);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--sq-font-display);
  font-size: clamp(38px, 8.5vw, 78px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.01em;
  max-width: 14ch;
}

.page-faq .faq-hero__intro {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.8;
  color: rgba(247, 243, 232, 0.84);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-notice {
  position: relative;
  padding: clamp(16px, 3vw, 24px);
  border: 1px solid rgba(44, 242, 210, 0.38);
  background: rgba(247, 243, 232, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-faq .faq-notice::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 3px;
  background: var(--sq-cyan);
}

.page-faq .faq-notice__label {
  margin: 0 0 10px;
  font-family: var(--sq-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sq-yellow);
}

.page-faq .faq-notice__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(247, 243, 232, 0.86);
}

.page-faq .faq-notice__list {
  margin: 10px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 243, 232, 0.82);
}

.page-faq .faq-notice__list li + li {
  margin-top: 6px;
}

.page-faq .faq-notice .sq-accordion__trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: var(--sq-cyan);
  font-family: var(--sq-font-body);
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-notice .sq-accordion__trigger::after {
  content: "+";
  margin-left: auto;
  font-family: var(--sq-font-mono);
  font-size: 16px;
  line-height: 1;
}

.page-faq .faq-notice .sq-accordion__item[data-open] .sq-accordion__trigger::after {
  content: "−";
}

.page-faq .faq-notice .sq-accordion__item {
  border-top: 1px solid rgba(247, 243, 232, 0.22);
  padding-top: 12px;
}

/* ---------- 首屏主图 ---------- */
.page-faq .faq-visual {
  margin: clamp(24px, 4vw, 44px) 0 0;
}

.page-faq .faq-visual img {
  display: block;
  width: 100%;
  height: clamp(180px, 34vw, 420px);
  object-fit: cover;
  border-radius: 2px;
}

/* ---------- 苹果版四步 ---------- */
.page-faq .faq-steps {
  margin-top: clamp(30px, 5vw, 60px);
  padding: clamp(38px, 6vw, 78px) 0;
  background: linear-gradient(180deg, var(--sq-mint), var(--sq-warm));
}

.page-faq .faq-steps__eyebrow {
  margin: 0 0 12px;
  font-family: var(--sq-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sq-lamp);
}

.page-faq .faq-steps__head h2 {
  margin: 0 0 14px;
  font-family: var(--sq-font-display);
  font-size: clamp(26px, 4.4vw, 44px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--sq-lamp);
  max-width: 22ch;
}

.page-faq .faq-steps__lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.8;
  color: rgba(7, 26, 43, 0.78);
}

.page-faq .faq-steps__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__item {
  position: relative;
  padding: 20px 18px 22px;
  background: rgba(255, 255, 255, 0.78);
  border-top: 3px solid var(--sq-lamp);
  box-shadow: 0 1px 0 rgba(7, 26, 43, 0.06);
}

.page-faq .faq-steps__item:nth-child(2) {
  border-top-color: var(--sq-grass);
}

.page-faq .faq-steps__item:nth-child(3) {
  border-top-color: var(--sq-orange);
}

.page-faq .faq-steps__item:nth-child(4) {
  border-top-color: var(--sq-cyan);
}

.page-faq .faq-steps__num {
  display: block;
  font-family: var(--sq-font-mono);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: rgba(11, 91, 58, 0.32);
}

.page-faq .faq-steps__item h3 {
  margin: 6px 0 8px;
  font-family: var(--sq-font-display);
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 700;
  color: var(--sq-space);
}

.page-faq .faq-steps__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(7, 26, 43, 0.76);
}

.page-faq .faq-steps__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.6vw, 36px);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  padding-top: clamp(34px, 5vw, 68px);
  padding-bottom: clamp(34px, 5vw, 68px);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--sq-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sq-lamp);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 13px;
  border: 1px solid var(--faq-line);
  background: rgba(255, 255, 255, 0.6);
  color: var(--sq-space);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s var(--sq-ease), color 0.2s var(--sq-ease), transform 0.2s var(--sq-ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--sq-cyan);
  color: var(--sq-lamp);
  transform: translateY(-2px);
}

.page-faq .faq-index__num {
  font-family: var(--sq-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sq-lamp);
  opacity: 0.7;
}

.page-faq .faq-index__cta {
  display: inline-block;
}

/* ---------- 问答组 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 5vw, 56px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--sq-space);
}

.page-faq .faq-group__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: var(--sq-lamp);
  color: var(--sq-warm);
  font-family: var(--sq-font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--sq-font-display);
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--sq-space);
}

.page-faq .faq-group__desc {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(7, 26, 43, 0.62);
}

.page-faq .faq-group__figure {
  margin: 0 0 16px;
}

.page-faq .faq-group__figure img {
  display: block;
  width: 100%;
  height: clamp(160px, 28vw, 280px);
  object-fit: cover;
  border-left: 4px solid var(--sq-cyan);
}

.page-faq .sq-accordion__item {
  border-top: 1px solid var(--faq-line);
  transition: background 0.22s var(--sq-ease), box-shadow 0.22s var(--sq-ease);
}

.page-faq .sq-accordion__item:last-child {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .sq-accordion__item[data-open] {
  background: var(--sq-mint);
  box-shadow: inset 0 0 0 1px rgba(44, 242, 210, 0.9);
}

.page-faq .sq-accordion__trigger {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 17px 14px;
  border: 0;
  background: none;
  color: var(--sq-space);
  font-family: var(--sq-font-body);
  font-size: clamp(15px, 2.2vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
  transition: color 0.18s var(--sq-ease);
}

.page-faq .sq-accordion__trigger::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--sq-font-mono);
  font-size: 17px;
  line-height: 1.3;
  color: var(--sq-lamp);
}

.page-faq .sq-accordion__item[data-open] .sq-accordion__trigger {
  color: var(--sq-lamp);
}

.page-faq .sq-accordion__item[data-open] .sq-accordion__trigger::after {
  content: "−";
  color: var(--sq-orange);
}

.page-faq .sq-accordion__trigger:hover,
.page-faq .sq-accordion__trigger:focus-visible {
  color: var(--sq-lamp);
}

.page-faq .sq-accordion__inner {
  padding: 0 14px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(7, 26, 43, 0.8);
}

.page-faq .sq-accordion__inner p {
  margin: 0;
}

.page-faq .sq-accordion__inner p + p {
  margin-top: 10px;
}

.page-faq .faq-link {
  color: var(--sq-lamp);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(44, 242, 210, 0.9);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  border-bottom-color: var(--sq-orange);
  color: var(--sq-space);
}

/* ---------- 客服 ---------- */
.page-faq .faq-contact {
  padding: clamp(38px, 6vw, 82px) 0;
  background:
    radial-gradient(100% 120% at 100% 0%, rgba(44, 242, 210, 0.18), transparent 55%),
    linear-gradient(140deg, var(--sq-space) 0%, #0a2438 68%, var(--sq-lamp) 100%);
  color: var(--sq-warm);
}

.page-faq .faq-contact__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
}

.page-faq .faq-contact__lead h2 {
  margin: 0 0 14px;
  font-family: var(--sq-font-display);
  font-size: clamp(26px, 4.6vw, 42px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--sq-warm);
}

.page-faq .faq-contact__lead p {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 243, 232, 0.82);
}

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

.page-faq .faq-contact__item {
  padding-top: 12px;
  border-top: 1px solid rgba(247, 243, 232, 0.22);
}

.page-faq .faq-contact__label {
  display: block;
  margin-bottom: 4px;
  font-family: var(--sq-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sq-cyan);
}

.page-faq .faq-contact__value {
  display: block;
  font-size: clamp(15px, 2.2vw, 18px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--sq-warm);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-steps__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-faq .faq-steps__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__list li + li {
    margin-top: 6px;
  }

  .page-faq .faq-index__link {
    white-space: normal;
    width: 100%;
  }

  .page-faq .faq-index__cta {
    margin-top: 14px;
  }

  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-steps__item {
    padding: 24px 20px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .sq-accordion__item,
  .page-faq .sq-accordion__trigger {
    transition: none;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    transform: none;
  }
}

.page-faq {
  --sq-ink: var(--faq-ink);
}