.page-faq {
  --faq-pad: clamp(2.5rem, 6vw, 5rem);
  --faq-notch: 14px;
  --faq-card: #FFFDF6;
  --faq-cream-line: rgba(43, 47, 45, 0.14);
  --faq-ink-strong: #1D2421;
  --faq-ink-text: #3B423D;
  background: var(--shell-bg);
  color: var(--txt);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(6rem, 13vw, 9rem) 0 var(--faq-pad);
  border-bottom: 1px solid var(--line-gold);
  background:
    radial-gradient(120% 95% at 92% 4%, rgba(180, 35, 43, 0.42), transparent 60%),
    radial-gradient(90% 80% at 0% 100%, rgba(18, 59, 50, 0.55), transparent 65%),
    var(--shell-bg);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -6%;
  bottom: -34%;
  width: min(360px, 54vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  border: 1px solid var(--line-gold);
  box-shadow:
    inset 0 0 0 26px rgba(217, 164, 65, 0.05),
    inset 0 0 0 58px rgba(217, 164, 65, 0.03);
  pointer-events: none;
}

.page-faq .faq-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  margin: 0.85rem 0 0;
  max-width: 17em;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.3vw, 3.3rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--txt-strong);
}

.page-faq .faq-hero__lead {
  margin: 1.25rem 0 0;
  max-width: 44em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--txt);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.page-faq .faq-stat strong {
  font-family: var(--font-index);
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  font-weight: 500;
  color: var(--gold-light);
}

.page-faq .faq-stat span {
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--txt-dim);
}

/* ---------- 四类磁贴 ---------- */
.page-faq .faq-cats {
  padding: var(--faq-pad) 0;
  background: var(--shell-bg);
}

.page-faq .faq-cats__head {
  display: grid;
  gap: 0.7rem;
  max-width: 50em;
  margin-bottom: 1.75rem;
}

.page-faq .faq-cats__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.6vw, 2.05rem);
  line-height: 1.3;
  color: var(--txt-strong);
}

.page-faq .faq-cats__head p:last-child {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--txt-dim);
}

.page-faq .faq-cats__media {
  margin: 0 0 2rem;
  border: 1px solid var(--line-gold);
  background: linear-gradient(140deg, rgba(18, 59, 50, 0.55), rgba(14, 21, 18, 0.92));
  line-height: 0;
}

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

.page-faq .cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-faq .cat-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 11.5rem;
  padding: 1.5rem 1.35rem 1.6rem;
  color: var(--txt);
  text-decoration: none;
  background: #131A17;
  clip-path: polygon(0 0, calc(100% - var(--faq-notch)) 0, 100% var(--faq-notch), 100% 100%, 0 100%);
  transition: transform 240ms var(--ease), background-color 240ms var(--ease);
}

.page-faq .cat-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(165deg, rgba(180, 35, 43, 0.56), rgba(14, 21, 18, 0.12) 72%);
  pointer-events: none;
}

.page-faq .cat-tile > * {
  position: relative;
  z-index: 1;
}

.page-faq .cat-tile--green::before {
  background: linear-gradient(165deg, rgba(18, 59, 50, 0.9), rgba(14, 21, 18, 0.14) 72%);
}

.page-faq .cat-tile--deep::before {
  background: linear-gradient(165deg, rgba(122, 18, 26, 0.85), rgba(14, 21, 18, 0.16) 72%);
}

.page-faq .cat-tile--violet::before {
  background: linear-gradient(165deg, rgba(59, 42, 85, 0.9), rgba(14, 21, 18, 0.16) 72%);
}

.page-faq .cat-tile:hover {
  transform: translateY(-3px);
}

.page-faq .cat-tile:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: -4px;
}

.page-faq .cat-tile__num {
  font-family: var(--font-index);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold-light);
}

.page-faq .cat-tile__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--txt-strong);
}

.page-faq .cat-tile__desc {
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(246, 239, 226, 0.74);
}

.page-faq .cat-tile__go {
  margin-top: auto;
  padding-top: 0.7rem;
  align-self: flex-start;
  font-family: var(--font-index);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  border-bottom: 1px solid rgba(217, 164, 65, 0.45);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-answers {
  padding: var(--faq-pad) 0;
  background: var(--cream);
  color: var(--faq-ink-text);
  border-top: 1px solid var(--line-gold);
  border-bottom: 1px solid var(--line-gold);
}

.page-faq .faq-kicker {
  margin: 0 0 0.55rem;
  font-family: var(--font-index);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--red);
}

.page-faq .faq-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.6vw, 2.05rem);
  line-height: 1.32;
  color: var(--faq-ink-strong);
}

.page-faq .faq-title--light {
  color: var(--txt-strong);
}

.page-faq .faq-answers__head {
  max-width: 44em;
  margin-bottom: 2.25rem;
}

.page-faq .faq-group {
  margin-top: 2.5rem;
  padding-top: 2.25rem;
  border-top: 1px solid var(--faq-cream-line);
  scroll-margin-top: 6rem;
}

.page-faq .faq-group:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-group__head {
  display: grid;
  gap: 0.45rem;
  max-width: 48em;
  margin-bottom: 1.25rem;
}

.page-faq .faq-group__num {
  font-family: var(--font-index);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--red);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.38;
  color: var(--faq-ink-strong);
}

.page-faq .faq-group__head p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--faq-ink-text);
}

.page-faq .faq-item {
  background: var(--faq-card);
  border: 1px solid var(--faq-cream-line);
  border-left: 2px solid transparent;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 0.5rem;
}

.page-faq .faq-item[open] {
  border-left-color: var(--gold);
  background: #FFFEF8;
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.1rem;
  list-style: none;
  cursor: pointer;
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.65;
  color: var(--faq-ink-strong);
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan-deep);
  outline-offset: -2px;
}

.page-faq .faq-q-index {
  flex: 0 0 auto;
  padding-top: 0.32rem;
  font-family: var(--font-index);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--red);
}

.page-faq .faq-q {
  flex: 1 1 auto;
}

.page-faq .faq-sign {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 0.5rem;
  margin-left: auto;
}

.page-faq .faq-sign::before,
.page-faq .faq-sign::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

.page-faq .faq-sign::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.page-faq .faq-sign::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-a {
  padding: 0 1.1rem 1.15rem 2.7rem;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--faq-ink-text);
}

.page-faq .faq-a a {
  color: var(--cyan-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item[open] .faq-a {
  animation: faqFadeIn 240ms var(--ease);
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 手机分步说明 ---------- */
.page-faq .faq-steps {
  padding: var(--faq-pad) 0;
  background: linear-gradient(180deg, #0B1210, #101A16 55%, #0B1210);
}

.page-faq .faq-steps__inner {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.page-faq .faq-steps__lead {
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--txt-dim);
}

.page-faq .step-list {
  display: grid;
  gap: 1.35rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .step-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.95rem;
  align-items: start;
  padding-bottom: 1.35rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .step-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .step-num {
  display: inline-block;
  padding: 0.32rem 0.5rem;
  font-family: var(--font-index);
  font-size: 0.78rem;
  line-height: 1;
  color: var(--ink);
  background: var(--gold);
}

.page-faq .step-body h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--txt-strong);
}

.page-faq .step-body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--txt);
}

.page-faq .step-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-steps__media {
  margin: 0;
  padding: 0.6rem;
  border: 1px solid var(--line-gold);
  background: rgba(18, 59, 50, 0.36);
}

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

.page-faq .faq-steps__note {
  margin: 0.65rem 0 0;
  font-family: var(--font-index);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-align: center;
  color: var(--txt-dim);
}

/* ---------- 响应时效 ---------- */
.page-faq .faq-sla {
  padding: var(--faq-pad) 0;
  background: var(--shell-bg);
}

.page-faq .faq-sla__inner {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.page-faq .faq-sla__card {
  padding: clamp(1.5rem, 3.2vw, 2.4rem);
  border: 1px solid var(--line-gold);
  background:
    linear-gradient(155deg, rgba(180, 35, 43, 0.3), rgba(14, 21, 18, 0.92) 68%);
}

.page-faq .faq-sla__lead {
  margin: 0.85rem 0 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--txt);
}

.page-faq .escalate-list {
  display: grid;
  gap: 0.85rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .escalate-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  align-items: start;
}

.page-faq .escalate-num {
  font-family: var(--font-index);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--gold-light);
  border: 1px solid rgba(217, 164, 65, 0.5);
  padding: 0.2rem 0.4rem;
  line-height: 1;
}

.page-faq .escalate-item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--txt);
}

.page-faq .faq-sla__stats {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-faq .sla-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.4rem 1.3rem;
  background: #131A17;
}

.page-faq .sla-item strong {
  font-family: var(--font-index);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  font-weight: 500;
  color: var(--gold-light);
}

.page-faq .sla-item span {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--txt-dim);
}

/* ---------- 联系收尾 ---------- */
.page-faq .faq-contact {
  padding: var(--faq-pad) 0;
  border-top: 1px solid var(--line-gold);
  background:
    radial-gradient(100% 120% at 50% 0%, rgba(18, 59, 50, 0.62), transparent 72%),
    var(--shell-bg);
}

.page-faq .faq-contact__head {
  max-width: 46em;
}

.page-faq .faq-contact__head p:last-child {
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--txt);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 1px;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-faq .faq-contact__list li {
  display: grid;
  gap: 0.3rem;
  padding: 1.1rem 1.25rem;
  background: #131A17;
}

.page-faq .faq-contact__key {
  font-family: var(--font-index);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-faq .faq-contact__val {
  font-family: var(--font-index);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--txt-strong);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__note {
  margin: 1.25rem 0 0;
  max-width: 52em;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--txt-dim);
}

.page-faq .faq-contact__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-sla__stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-answers__head {
    display: grid;
    gap: 0.3rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-steps__inner {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 3rem;
  }

  .page-faq .faq-sla__inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2.5rem;
  }

  .page-faq .faq-a {
    padding-right: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .page-faq .cat-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .cat-tile {
    min-height: 13rem;
  }

  .page-faq .faq-contact__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 520px) {
  .page-faq .faq-hero::after {
    display: none;
  }

  .page-faq .faq-a {
    padding-left: 1.1rem;
  }

  .page-faq .faq-item summary {
    gap: 0.6rem;
    padding: 0.9rem 0.9rem;
    font-size: 0.94rem;
  }

  .page-faq .faq-a {
    padding-right: 0.9rem;
  }

  .page-faq .faq-contact__actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .cat-tile,
  .page-faq .faq-item,
  .page-faq .faq-sign::before,
  .page-faq .faq-sign::after {
    transition: none;
  }

  .page-faq .cat-tile:hover {
    transform: none;
  }

  .page-faq .faq-item[open] .faq-a {
    animation: none;
  }
}