/* ===== 帮助中心 / page-faq ===== */
.page-faq {
  --faq-line: rgba(200, 161, 90, 0.28);
  --faq-line-soft: rgba(124, 143, 138, 0.24);
  --faq-paper: #FBF7EF;
  --faq-ink: #143C33;
  --faq-ink-soft: #2A4A42;
  --faq-gold-line: rgba(140, 107, 53, 0.9);
  padding-bottom: clamp(3rem, 9vw, 7rem);
  overflow-wrap: break-word;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: clamp(1.25rem, 3vw, 2rem) clamp(1.75rem, 4vw, 3rem);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: end;
  margin-top: clamp(1.5rem, 4vw, 2.75rem);
}

.page-faq .faq-hero__kicker {
  margin: 0 0 0.9rem;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.5rem, 8vw, 4.75rem);
  line-height: 1.04;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 52ch;
  font-size: clamp(0.9375rem, 2.2vw, 1.0625rem);
  line-height: 1.9;
  color: rgba(243, 237, 226, 0.8);
}

.page-faq .faq-hero__aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
}

.page-faq .faq-hero__aside .btn {
  margin-top: 0.35rem;
}

.page-faq .faq-quick {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--faq-line-soft);
  border: 1px solid var(--faq-line-soft);
}

.page-faq .faq-quick li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.95rem 1.1rem;
  background: var(--ink-800);
}

.page-faq .faq-quick strong {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.15rem, 3vw, 1.4rem);
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-faq .faq-quick span {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(243, 237, 226, 0.68);
}

/* ---------- 筛选带 ---------- */
.page-faq .faq-board {
  padding-top: clamp(1.75rem, 4vw, 3rem);
}

.page-faq .faq-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .filter-chip {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--faq-line-soft);
  background: transparent;
  color: rgba(243, 237, 226, 0.76);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  line-height: 1;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease),
    background-color 0.25s var(--ease);
}

.page-faq .filter-chip:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.page-faq .filter-chip.is-active {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-900);
  font-weight: 600;
}

/* ---------- 索引 + 答案 ---------- */
.page-faq .faq-board__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-index__title {
  margin: 0 0 0.9rem;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-index__list li {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.72rem 0.2rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(243, 237, 226, 0.78);
  text-decoration: none;
  transition: color 0.25s var(--ease), padding-left 0.25s var(--ease);
}

.page-faq .faq-index__list a:hover {
  color: var(--gold);
  padding-left: 0.65rem;
}

.page-faq .faq-index__no {
  flex: 0 0 auto;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(200, 161, 90, 0.72);
}

.page-faq .faq-answers {
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 5vw, 3.25rem);
  min-width: 0;
}

.page-faq .faq-group {
  min-width: 0;
  scroll-margin-top: 120px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 1.1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__no {
  flex: 0 0 auto;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--amber);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.3rem, 3.4vw, 1.8rem);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-faq .faq-lead-in {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(243, 237, 226, 0.76);
}

.page-faq .faq-note {
  margin: 1rem 0 0;
  padding-left: 0.95rem;
  border-left: 2px solid var(--gold-dark);
  font-size: 0.875rem;
  line-height: 1.85;
  color: rgba(243, 237, 226, 0.68);
}

/* ---------- 手风琴条目 ---------- */
.page-faq .faq-item {
  background: var(--faq-paper);
  border: 1px solid rgba(20, 60, 51, 0.12);
  border-left: 3px solid var(--faq-gold-line);
  margin-bottom: 0.6rem;
  box-shadow: 0 8px 20px rgba(7, 22, 18, 0.26);
  transition: border-left-color 0.3s var(--ease), transform 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}

.page-faq .faq-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(7, 22, 18, 0.34);
}

.page-faq .faq-item[open] {
  border-left-color: var(--amber);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1rem 1.05rem;
  list-style: none;
  cursor: pointer;
  color: var(--faq-ink);
  font-size: clamp(0.9375rem, 2vw, 1.03125rem);
  font-weight: 600;
  line-height: 1.65;
  transition: color 0.25s var(--ease);
}

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

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

.page-faq .faq-item > summary:hover {
  color: var(--gold-dark);
}

.page-faq .faq-item__no {
  flex: 0 0 auto;
  padding-top: 0.3rem;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold-dark);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 0.38rem;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gold-dark);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease),
    background-color 0.3s var(--ease);
}

.page-faq .faq-item__sign::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__sign::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item[open] .faq-item__sign::before {
  background: var(--amber);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 1.05rem 1.15rem 2.85rem;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-item__a p {
  margin: 0 0 0.75rem;
}

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

.page-faq .faq-item__a a {
  color: var(--gold-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 步骤编号 ---------- */
.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 0 0 1.35rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding: 0.72rem 0.9rem 0.72rem 2.7rem;
  background: rgba(20, 60, 51, 0.06);
  border: 1px dashed rgba(20, 60, 51, 0.24);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: #24443C;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0.9rem;
  top: 0.85rem;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

/* ---------- 准备清单 ---------- */
.page-faq .faq-checklist {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-checklist li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(243, 237, 226, 0.82);
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 7px;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 1.35rem;
}

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

.page-faq .media-frame--10x7 {
  aspect-ratio: 10 / 7;
}

/* ---------- 联系卡片 ---------- */
.page-faq .faq-contact {
  margin-top: 1.5rem;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  background: linear-gradient(135deg, var(--ink-700), var(--ink-800));
  border: 1px solid var(--faq-line);
  display: grid;
  gap: 1rem;
}

.page-faq .faq-contact__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 2.6vw, 1.25rem);
  color: var(--cream);
}

.page-faq .faq-contact__rows {
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-contact__row {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
  font-size: 0.875rem;
  line-height: 1.7;
}

.page-faq .faq-contact__k {
  flex: 0 0 auto;
  min-width: 5.5em;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
  padding-top: 0.28rem;
}

.page-faq .faq-contact__v {
  color: rgba(243, 237, 226, 0.9);
  word-break: break-all;
}

.page-faq .faq-contact .btn {
  justify-self: start;
}

/* ---------- 底部指引 ---------- */
.page-faq .faq-cross {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.75rem;
  margin-top: clamp(2.25rem, 5vw, 3.25rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-cross a {
  color: rgba(243, 237, 226, 0.82);
  text-decoration: none;
  font-size: 0.9375rem;
  line-height: 1.6;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--faq-line);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-cross a:hover {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
  }

  .page-faq .faq-hero__aside {
    align-items: flex-end;
    text-align: right;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-board__grid {
    grid-template-columns: minmax(0, 232px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 128px;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-board__grid {
    grid-template-columns: minmax(0, 272px) minmax(0, 1fr);
    gap: 3.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .filter-chip,
  .page-faq .faq-item > summary,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-index__list a,
  .page-faq .faq-cross a {
    transition: none;
  }

  .page-faq .faq-item:hover {
    transform: none;
  }
}
</main>