.page-faq {
  --faq-hair: rgba(44, 79, 66, 0.55);
  --faq-card: linear-gradient(160deg, rgba(22, 53, 42, 0.92), rgba(12, 31, 24, 0.86));
  padding-bottom: clamp(56px, 8vw, 104px);
  color: var(--paper);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-top: clamp(16px, 2.6vw, 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}
.page-faq .breadcrumb ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.page-faq .breadcrumb li + li::before {
  content: "/";
  color: var(--ink-600);
}
.page-faq .breadcrumb a {
  color: var(--aqua-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-faq .breadcrumb a:hover {
  color: var(--aqua);
  border-bottom-color: var(--aqua);
}

/* ---------- 通用区块节奏 ---------- */
.page-faq .section {
  padding: clamp(40px, 6vw, 76px) 0;
}
.page-faq .block-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-faq .block-intro {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--mist);
  max-width: 62ch;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.5vw, 44px) 0 clamp(36px, 5vw, 64px);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -20%;
  width: min(760px, 92%);
  height: 156%;
  background: linear-gradient(150deg, rgba(52, 245, 208, 0.13) 0%, rgba(22, 53, 42, 0.16) 46%, rgba(7, 19, 15, 0) 74%);
  border-radius: 46% 54% 38% 62% / 52% 42% 58% 48%;
  transform: rotate(-10deg);
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -14%;
  bottom: 4%;
  width: 46%;
  height: 96px;
  background: linear-gradient(90deg, rgba(255, 122, 47, 0.14), rgba(255, 122, 47, 0));
  transform: skewY(-3deg);
  pointer-events: none;
}
.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}
.page-faq .faq-hero__copy {
  min-width: 0;
  max-width: 640px;
}
.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
}
.page-faq .lead {
  margin: 18px 0 0;
  font-family: var(--font-editorial);
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.78;
  color: var(--paper);
}

.page-faq .step-list {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .step-list__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border-left: 2px solid var(--ink-600);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: linear-gradient(90deg, rgba(22, 53, 42, 0.72), rgba(22, 53, 42, 0));
}
.page-faq .step-list__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--aqua);
  padding-top: 2px;
}
.page-faq .step-list__body {
  min-width: 0;
}
.page-faq .step-list__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--paper);
}
.page-faq .step-list__text {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--mist);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__visual {
  position: relative;
  min-width: 0;
}
.page-faq .figure {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
}
.page-faq .figure__media {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.05);
}
.page-faq .figure__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(52, 245, 208, 0.10), rgba(7, 19, 15, 0.38) 66%);
  pointer-events: none;
}
.page-faq .figure__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px 16px 14px;
  background: linear-gradient(0deg, rgba(7, 19, 15, 0.94), rgba(7, 19, 15, 0));
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}
.page-faq .figure__kicker {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--aqua);
}
.page-faq .faq-hero__figure {
  box-shadow: 0 30px 60px -42px rgba(0, 0, 0, 0.95);
}
.page-faq .faq-hero__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid rgba(52, 245, 208, 0.4);
  background: rgba(7, 19, 15, 0.82);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--aqua-soft);
}

/* ---------- 三步分解 ---------- */
.page-faq .faq-steps {
  position: relative;
}
.page-faq .faq-steps__head {
  max-width: 700px;
}
.page-faq .step-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3.4vw, 38px);
}
.page-faq .step-card {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: var(--faq-card);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.page-faq .step-card::after {
  content: "";
  position: absolute;
  right: -32%;
  bottom: -58%;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(52, 245, 208, 0.16), rgba(52, 245, 208, 0) 70%);
  pointer-events: none;
}
.page-faq .step-card:hover {
  border-color: rgba(52, 245, 208, 0.66);
}
.page-faq .step-card__num {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: rgba(52, 245, 208, 0.55);
}
.page-faq .step-card__title {
  position: relative;
  z-index: 1;
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.05em;
  color: var(--white);
}
.page-faq .step-card__text {
  position: relative;
  z-index: 1;
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}
.page-faq .step-card__list {
  position: relative;
  z-index: 1;
  margin: 16px 0 0;
  padding: 14px 0 0;
  list-style: none;
  display: grid;
  gap: 7px;
  border-top: 1px dashed var(--faq-hair);
}
.page-faq .step-card__list li {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--paper);
}
.page-faq .step-card__list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--aqua);
}

/* ---------- 问答区 ---------- */
.page-faq .faq-body {
  position: relative;
  padding: clamp(36px, 5vw, 64px) 0 clamp(40px, 6vw, 72px);
  background: linear-gradient(180deg, rgba(12, 31, 24, 0.88), rgba(7, 19, 15, 0));
}
.page-faq .faq-body__banner {
  margin: 0 0 clamp(26px, 3.6vw, 44px);
}
.page-faq .faq-body__inner {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}
.page-faq .faq-toc {
  min-width: 0;
  padding: 18px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(12, 31, 24, 0.72);
}
.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}
.page-faq .faq-toc__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-toc__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 9px 8px 9px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--r-sm);
  color: var(--mist);
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.5;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-faq .faq-toc__link:hover {
  color: var(--paper);
  background: rgba(22, 53, 42, 0.72);
}
.page-faq .faq-toc__link.is-current {
  color: var(--aqua);
  border-left-color: var(--aqua);
  background: rgba(52, 245, 208, 0.07);
}
.page-faq .faq-toc__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-600);
}
.page-faq .faq-toc__link.is-current .faq-toc__num {
  color: var(--aqua-soft);
}
.page-faq .faq-toc__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-hair);
  font-size: 12.5px;
  line-height: 1.68;
  color: var(--mist);
}

.page-faq .faq-groups {
  min-width: 0;
}
.page-faq .faq-group {
  margin-bottom: clamp(30px, 4vw, 52px);
  scroll-margin-top: 24px;
}
.page-faq .faq-group:last-child {
  margin-bottom: 0;
}
.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-hair);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--white);
}
.page-faq .faq-group__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}
.page-faq .faq-group__lead {
  margin: -4px 0 16px;
  font-family: var(--font-editorial);
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--aqua-soft);
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(12, 31, 24, 0.62);
  overflow: hidden;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}
.page-faq .qa + .qa {
  margin-top: 10px;
}
.page-faq .qa[open] {
  border-color: var(--ink-600);
  background: linear-gradient(160deg, rgba(22, 53, 42, 0.92), rgba(12, 31, 24, 0.72));
}
.page-faq .qa__q {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 18px;
  gap: 12px;
  align-items: baseline;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.58;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}
.page-faq .qa__q::-webkit-details-marker {
  display: none;
}
.page-faq .qa__q:hover,
.page-faq .qa[open] .qa__q {
  color: var(--white);
}
.page-faq .qa__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--aqua);
  opacity: 0.85;
}
.page-faq .qa__sign {
  position: relative;
  width: 12px;
  height: 12px;
  align-self: center;
  justify-self: end;
}
.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  inset: 50% 0 auto 0;
  height: 1.5px;
  background: var(--aqua);
  transition: transform 0.22s var(--ease);
}
.page-faq .qa__sign::after {
  transform: rotate(90deg);
}
.page-faq .qa[open] .qa__sign::after {
  transform: rotate(0deg);
}
.page-faq .qa__a {
  padding: 0 16px 18px 58px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}
.page-faq .qa__a p {
  margin: 0;
}
.page-faq .qa__a p + p {
  margin-top: 10px;
}
.page-faq .qa__a a {
  color: var(--aqua-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(159, 252, 232, 0.35);
}
.page-faq .qa__a a:hover {
  color: var(--aqua);
  border-bottom-color: var(--aqua);
}

.page-faq .qa-note {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  margin: 16px 0 0;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  border: 1px dashed var(--line-soft);
  background: rgba(52, 245, 208, 0.05);
  font-size: 12.5px;
  line-height: 1.68;
  color: var(--mist);
}
.page-faq .qa-note__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--aqua);
  white-space: nowrap;
  padding-top: 2px;
}
.page-faq .qa-note a {
  color: var(--aqua-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(159, 252, 232, 0.35);
}
.page-faq .qa-note a:hover {
  color: var(--aqua);
}

/* ---------- 联系面板 ---------- */
.page-faq .faq-contact__panel {
  display: grid;
  gap: clamp(22px, 3vw, 44px);
  padding: clamp(22px, 3.2vw, 40px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(255, 122, 47, 0.15), rgba(255, 122, 47, 0) 58%),
    linear-gradient(160deg, rgba(22, 53, 42, 0.95), rgba(12, 31, 24, 0.9));
}
.page-faq .faq-contact__intro {
  min-width: 0;
}
.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.page-faq .contact-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}
.page-faq .contact-list__item {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--faq-hair);
}
.page-faq .contact-list__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-faq .contact-list__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--mist);
}
.page-faq .contact-list__val {
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-faq .contact-list__val a {
  color: var(--aqua-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-faq .contact-list__val a:hover {
  color: var(--aqua);
  border-bottom-color: var(--aqua);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .contact-list__item {
    grid-template-columns: 86px minmax(0, 1fr);
  }
}

@media (min-width: 760px) {
  .page-faq .step-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  }
  .page-faq .faq-hero__visual {
    order: -1;
  }
  .page-faq .faq-hero__figure {
    transform: rotate(-1.6deg);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body__inner {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 48px;
  }
  .page-faq .faq-toc {
    position: sticky;
    top: 24px;
  }
}

@media (min-width: 1024px) {
  .page-faq .step-grid {
    grid-template-columns: 1.14fr 1fr 1.14fr;
    align-items: start;
  }
  .page-faq .step-card:nth-child(2) {
    transform: translateY(24px);
  }
}

@media (min-width: 860px) {
  .page-faq .faq-contact__panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (max-width: 560px) {
  .page-faq .qa__q {
    grid-template-columns: 24px minmax(0, 1fr) 16px;
    gap: 9px;
    padding: 13px;
    font-size: 14.5px;
  }
  .page-faq .qa__a {
    padding: 0 13px 16px 46px;
  }
  .page-faq .contact-list__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
  .page-faq .qa-note {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-faq .faq-hero__badge {
    top: 10px;
    left: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .step-card,
  .page-faq .faq-toc__link,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after {
    transition: none;
  }
  .page-faq .faq-hero__figure,
  .page-faq .step-card:nth-child(2) {
    transform: none;
  }
}