.page-faq {
  --faq-body-text: #C3D2E3;
  --faq-line-soft: 1px solid rgba(127, 191, 166, 0.14);
  background: var(--ink-900);
  color: var(--mist);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.3rem, 5vw, 2.6rem) 0 clamp(2rem, 6vw, 3.8rem);
  background:
    radial-gradient(120% 85% at 8% 0%, rgba(127, 191, 166, 0.16), transparent 62%),
    radial-gradient(90% 70% at 100% 8%, rgba(242, 169, 59, 0.12), transparent 66%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: center;
}

.page-faq .breadcrumbs {
  margin-bottom: 1.1rem;
}

.page-faq .faq-hero__body h1 {
  margin: 0.6rem 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.95rem, 6vw, 3.3rem);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.page-faq .faq-hero__body .lede {
  max-width: 46ch;
  margin: 1rem 0 0;
  color: var(--faq-body-text);
  font-size: clamp(1rem, 2.3vw, 1.1rem);
  line-height: 1.78;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.5rem;
  margin: 1.9rem 0 0;
  padding: 1rem 0 0;
  list-style: none;
  border-top: var(--faq-line-soft);
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  font-size: 0.88rem;
  color: var(--index-gray);
}

.page-faq .faq-hero__facts .mono {
  color: var(--celadon);
  font-size: 1.08rem;
  font-weight: 700;
}

.page-faq .faq-hero__visual {
  position: relative;
  margin: 0;
  border: var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(20, 38, 61, 0.92), rgba(7, 11, 20, 0.96));
}

.page-faq .faq-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(205deg, rgba(242, 169, 59, 0.15), transparent 56%);
  pointer-events: none;
}

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

.page-faq .faq-hero__visual figcaption {
  position: relative;
  z-index: 1;
  padding: 0.75rem 1.05rem;
  border-top: var(--faq-line-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--index-gray);
}

/* ---------- 反馈类型 ---------- */
.page-faq .faq-feedback__grid {
  display: grid;
  gap: 0.9rem;
  margin-top: clamp(1.4rem, 4vw, 2.2rem);
}

.page-faq .issue {
  padding: 1.1rem 1.15rem 1.2rem;
  border: var(--line-soft);
  border-left: 2px solid var(--celadon-deep);
  border-radius: var(--radius-sm);
  background: rgba(20, 38, 61, 0.55);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .issue:hover,
.page-faq .issue:focus-within {
  border-left-color: var(--amber);
  background: rgba(20, 38, 61, 0.82);
}

.page-faq .issue__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .issue h3 {
  margin: 0.55rem 0 0.45rem;
  font-size: 1.03rem;
  font-weight: 700;
}

.page-faq .issue p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--faq-body-text);
}

.page-faq .faq-feedback__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
  padding: 1.15rem 1.25rem;
  border: var(--amber-line);
  border-radius: var(--radius-md);
  background: linear-gradient(120deg, rgba(242, 169, 59, 0.1), rgba(20, 38, 61, 0.42));
}

.page-faq .faq-feedback__foot p {
  margin: 0;
  max-width: 60ch;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--faq-body-text);
}

/* ---------- 三步查询 ---------- */
.page-faq .steps {
  display: grid;
  gap: 1.4rem;
  margin: clamp(1.6rem, 4vw, 2.4rem) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .steps li {
  position: relative;
  padding-left: 3.1rem;
}

.page-faq .steps__no {
  position: absolute;
  left: 0;
  top: 0.05rem;
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 50%;
  background: var(--celadon);
  color: var(--ink-900);
  font-size: 0.82rem;
  font-weight: 700;
}

.page-faq .steps li::after {
  content: "";
  position: absolute;
  left: 1.07rem;
  top: 2.5rem;
  bottom: -1.4rem;
  width: 1px;
  background: linear-gradient(180deg, var(--celadon-deep), rgba(62, 124, 104, 0));
}

.page-faq .steps li:last-child::after {
  display: none;
}

.page-faq .steps h3 {
  margin: 0 0 0.4rem;
  font-size: 1.08rem;
  font-weight: 700;
}

.page-faq .steps p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--faq-body-text);
}

.page-faq .faq-steps__link {
  margin: clamp(1.5rem, 4vw, 2.2rem) 0 0;
}

/* ---------- 问答组 ---------- */
.page-faq .qa-group {
  margin-top: clamp(1.3rem, 4vw, 2rem);
  border-bottom: var(--faq-line-soft);
}

.page-faq .qa {
  border-top: var(--faq-line-soft);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1.1rem 0.2rem;
  cursor: pointer;
  list-style: none;
  transition: background 0.18s var(--ease);
}

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

.page-faq .qa summary:hover {
  background: rgba(127, 191, 166, 0.05);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--amber-soft);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.page-faq .qa__no {
  flex: none;
  padding-top: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--celadon);
}

.page-faq .qa__q {
  flex: 1;
  margin: 0;
  font-size: clamp(1rem, 2.3vw, 1.08rem);
  font-weight: 600;
  line-height: 1.55;
  color: var(--mist);
}

.page-faq .qa__mark {
  position: relative;
  flex: none;
  width: 1.05rem;
  height: 1.05rem;
  margin-top: 0.32rem;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 1.5px;
  background: var(--amber);
  transition: transform 0.2s var(--ease);
}

.page-faq .qa__mark::after {
  transform: rotate(90deg);
}

.page-faq .qa[open] .qa__mark::after {
  transform: rotate(0deg);
}

.page-faq .qa__a {
  padding: 0 0 1.3rem 0;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--faq-body-text);
}

.page-faq .qa__a p {
  margin: 0 0 0.7rem;
}

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

/* ---------- 人工支持 ---------- */
.page-faq .support {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.4rem);
  margin-top: clamp(1.5rem, 4vw, 2.3rem);
}

.page-faq .template {
  padding: 1.2rem 1.25rem;
  border: var(--line);
  border-radius: var(--radius-md);
  background: rgba(20, 38, 61, 0.72);
}

.page-faq .template__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--celadon);
}

.page-faq .template__subject {
  margin: 0.6rem 0 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--amber-soft);
  word-break: break-word;
}

.page-faq .template__list {
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.93rem;
  line-height: 1.9;
  color: var(--faq-body-text);
}

.page-faq .support__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.1rem;
}

.page-faq .support__label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--index-gray);
}

.page-faq .support__mail {
  font-family: var(--font-mono);
  font-size: 0.94rem;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px dashed rgba(242, 169, 59, 0.5);
}

.page-faq .support__mail:hover {
  color: var(--amber-soft);
}

.page-faq .support__note {
  margin: 1.2rem 0 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--index-gray);
}

.page-faq .support__figure {
  margin: 0;
  border: var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(20, 38, 61, 0.5);
}

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

.page-faq .faq-inline-link {
  color: var(--celadon);
  text-decoration: underline;
  text-decoration-color: rgba(127, 191, 166, 0.5);
  text-underline-offset: 3px;
}

.page-faq .faq-inline-link:hover {
  color: var(--amber-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-feedback__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2rem, 4vw, 3.4rem);
  }

  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-faq .steps li {
    padding-left: 0;
    padding-top: 3.1rem;
  }

  .page-faq .steps__no {
    top: 0;
  }

  .page-faq .steps li::after {
    left: 2.6rem;
    right: -1.5rem;
    top: 1.07rem;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--celadon-deep), rgba(62, 124, 104, 0.05));
  }

  .page-faq .qa__a {
    padding-left: 2.35rem;
    max-width: 72ch;
  }

  .page-faq .support {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-feedback__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .issue,
  .page-faq .qa summary,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after {
    transition: none;
  }
}