.page-faq {
  --faq-border: 3px solid var(--ink);
  --faq-shadow: 6px 6px 0 var(--ink);
  --faq-shadow-soft: 5px 5px 0 rgba(26, 23, 20, .88);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: 72px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 28px 0 8px;
}

.page-faq .faq-hero-inner {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  padding: 0 4px;
}

.page-faq .faq-hero .eyebrow {
  color: var(--cinnabar);
  font-size: .72rem;
  letter-spacing: .18em;
  margin: 0 0 6px;
}

.page-faq .faq-hero h1 {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.72rem, 7.4vw, 3.15rem);
  line-height: 1.18;
  letter-spacing: .01em;
  margin: 8px 0 0;
  color: var(--ink);
  text-wrap: balance;
}

.page-faq .faq-hero h1::after {
  content: "";
  display: block;
  width: 92px;
  height: 3px;
  margin: 22px auto 0;
  background: linear-gradient(90deg, var(--cinnabar) 0 62%, var(--gold) 62% 100%);
}

.page-faq .faq-hero .lede {
  max-width: 640px;
  margin: 20px auto 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--dai);
}

.page-faq .faq-hero-media {
  margin: 32px 0 0;
  border: var(--faq-border);
  box-shadow: var(--faq-shadow);
  background: var(--lotus);
  overflow: hidden;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-tools {
  margin-top: 36px;
  border-top: var(--faq-border);
  border-bottom: var(--faq-border);
  background: var(--lotus);
  padding: 16px 0;
}

.page-faq .faq-tools .wrap {
  padding-left: 16px;
  padding-right: 16px;
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .filter-btn {
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .04em;
  padding: 8px 13px;
  border: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: transform .18s var(--ease), background .18s var(--ease),
    color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .filter-btn:hover {
  background: var(--gold-light);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--ink);
}

.page-faq .filter-btn[aria-pressed="true"] {
  background: var(--cinnabar);
  color: var(--paper);
  border-color: var(--cinnabar-deep);
  box-shadow: 3px 3px 0 var(--ink);
}

.page-faq .filter-btn:focus-visible {
  outline: 3px solid var(--proof);
  outline-offset: 2px;
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-list {
  padding-top: 48px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 54px;
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  align-items: baseline;
  border-bottom: var(--faq-border);
  padding-bottom: 12px;
  margin-bottom: 20px;
}

.page-faq .faq-group-num {
  font-size: .96rem;
  font-weight: 700;
  color: var(--cinnabar);
  letter-spacing: .06em;
}

.page-faq .faq-group-title {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.32rem, 5.4vw, 1.95rem);
  line-height: 1.25;
  margin: 0;
  color: var(--dai);
}

.page-faq .faq-group-note {
  grid-column: 2 / -1;
  margin: 6px 0 0;
  font-size: .9rem;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 行内示意图 ---------- */
.page-faq .faq-inline-media {
  margin: 0 0 20px;
  border: var(--faq-border);
  box-shadow: 6px 6px 0 var(--gold);
  background: var(--dai);
  overflow: hidden;
}

.page-faq .faq-inline-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .faq-inline-media figcaption {
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .02em;
  padding: 10px 14px;
  background: var(--dai);
  color: var(--paper);
  border-top: 3px solid var(--gold);
}

/* ---------- 折叠问答卡 ---------- */
.page-faq .faq-item {
  border: var(--faq-border);
  background: var(--paper);
  box-shadow: var(--faq-shadow-soft);
  margin-bottom: 12px;
  transition: box-shadow .22s var(--ease), transform .22s var(--ease);
}

.page-faq .faq-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--ink);
}

.page-faq .faq-item[open] {
  box-shadow: 7px 7px 0 var(--cinnabar);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 3px solid var(--proof);
  outline-offset: -6px;
}

.page-faq .faq-q-num {
  flex: none;
  padding-top: 4px;
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--cinnabar);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--mono);
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--gold);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--cinnabar);
}

.page-faq .faq-a {
  padding: 0 18px 18px 46px;
  font-size: .98rem;
  line-height: 1.78;
  color: var(--ink);
}

.page-faq .faq-item[open] .faq-a {
  animation: faqOpen .28s var(--ease);
}

@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: none; }
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-a ul {
  margin: 0 0 10px;
  padding-left: 1.15em;
}

.page-faq .faq-a ul li {
  margin-bottom: 6px;
}

.page-faq .faq-a ul li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-a a {
  color: var(--cinnabar);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-a a:hover {
  color: var(--cinnabar-deep);
}

/* 步骤线 */
.page-faq .faq-steps {
  list-style: none;
  margin: 4px 0 12px;
  padding: 0 0 0 16px;
  border-left: 3px solid var(--gold);
}

.page-faq .faq-steps li {
  padding: 7px 0;
  line-height: 1.72;
}

.page-faq .faq-step-num {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--cinnabar);
}

/* ---------- 底部联系 ---------- */
.page-faq .faq-outro {
  padding: 56px 0 0;
}

.page-faq .faq-outro-card {
  border: var(--faq-border);
  background: var(--dai);
  color: var(--paper);
  padding: 26px 20px;
  box-shadow: 8px 8px 0 var(--cinnabar);
}

.page-faq .faq-outro-card .eyebrow {
  color: var(--gold);
  font-size: .7rem;
  letter-spacing: .18em;
  margin: 0 0 8px;
}

.page-faq .faq-outro-card h2 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.3rem, 5.2vw, 1.85rem);
  line-height: 1.3;
  margin: 0 0 12px;
  color: var(--gold-light);
}

.page-faq .faq-outro-intro p {
  margin: 0;
  font-size: .96rem;
  line-height: 1.78;
  color: var(--hair-light);
}

.page-faq .faq-contact {
  margin: 22px 0 24px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact > div {
  border-left: 3px solid var(--gold);
  padding-left: 12px;
}

.page-faq .faq-contact dt {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--gold);
  margin: 0 0 4px;
}

.page-faq .faq-contact dd {
  margin: 0;
  font-size: .98rem;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-outro-card .btn-seal {
  border: 2px solid var(--gold);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding-top: 44px;
  }

  .page-faq .faq-hero .lede {
    font-size: 1.06rem;
  }

  .page-faq .faq-hero-media {
    margin-top: 40px;
  }

  .page-faq .faq-tools .wrap {
    padding-left: 24px;
    padding-right: 24px;
  }

  .page-faq .faq-item summary {
    padding: 18px 24px;
    font-size: 1.08rem;
  }

  .page-faq .faq-a {
    padding: 0 26px 22px 56px;
    font-size: 1rem;
  }

  .page-faq .faq-outro-card {
    padding: 34px 32px;
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1024px) {
  .page-faq {
    padding-bottom: 96px;
  }

  .page-faq .faq-hero {
    padding-top: 56px;
  }

  .page-faq .faq-list {
    padding-top: 60px;
  }

  .page-faq .faq-group + .faq-group {
    margin-top: 68px;
  }

  .page-faq .faq-outro-card {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    column-gap: 44px;
    align-items: start;
    padding: 44px 44px 40px;
  }

  .page-faq .faq-outro-intro {
    grid-column: 1;
    grid-row: 1;
  }

  .page-faq .faq-contact {
    grid-column: 2;
    grid-row: 1 / span 2;
    grid-template-columns: minmax(0, 1fr);
    margin: 0;
  }

  .page-faq .faq-outro-card .btn-seal {
    grid-column: 1;
    grid-row: 2;
    justify-self: start;
    margin-top: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}