.page-faq {
  --faq-frame: #dcd3c4;
  --faq-soft: #eae3d6;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(1.75rem, 5vw, 3rem);
  background:
    linear-gradient(180deg, rgba(215, 239, 230, 0.6), rgba(248, 245, 239, 0) 72%),
    repeating-linear-gradient(90deg, rgba(23, 42, 70, 0.05) 0 1px, transparent 1px 34px);
}

.page-faq .faq-hero__frame {
  position: relative;
  margin-top: 1.25rem;
  padding: clamp(1.25rem, 3.6vw, 2.75rem);
  background: var(--white);
  border: 1px solid var(--faq-frame);
  box-shadow: var(--stack-soft);
}

.page-faq .faq-hero__frame::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -6px;
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--jade) 0 1px, transparent 1px 12px);
  opacity: 0.5;
}

.page-faq .faq-hero h1 {
  margin: 0.55rem 0 0;
  max-width: 22ch;
  font-size: clamp(1.75rem, 4.6vw, 3rem);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--jade-deep);
}

.page-faq .faq-hero .lede {
  margin: 1rem 0 0;
  max-width: 54ch;
  font-size: clamp(1rem, 0.5vw + 0.85rem, 1.1rem);
  line-height: 1.75;
  color: var(--body-soft);
}

.page-faq .faq-hero__note {
  margin: 1.35rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--faq-soft);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--slate);
}

/* ---------- 快速排查入口 ---------- */
.page-faq .faq-scan {
  padding: clamp(2.25rem, 5.5vw, 4rem) 0;
}

.page-faq .faq-scan__grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.75rem;
}

.page-faq .faq-search {
  padding: 1.1rem 1.15rem 1.2rem;
  background: var(--white);
  border: 1px solid var(--jade);
  box-shadow: var(--stack-soft);
}

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--jade-deep);
}

.page-faq .faq-search input {
  width: 100%;
  padding: 0.5rem 0;
  border: 0;
  border-bottom: 2px solid var(--faq-frame);
  background: transparent;
  font: inherit;
  font-size: 1.02rem;
  color: var(--ink);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-search input::placeholder {
  color: var(--slate);
  opacity: 0.8;
}

.page-faq .faq-search input:focus {
  outline: none;
  border-bottom-color: var(--amber);
}

.page-faq .faq-search__count {
  margin: 0.85rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-faq .faq-search__empty {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  background: var(--amber-light);
  border-left: 3px solid var(--amber);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--ink);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.15rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chips a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.72rem;
  border: 1px solid var(--faq-frame);
  background: var(--white);
  color: var(--jade-deep);
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-chips a:hover {
  background: var(--amber-light);
  border-color: var(--amber);
  transform: translateY(-1px);
}

.page-faq .faq-chips .mono {
  font-size: 0.72rem;
  color: var(--amber);
}

.page-faq .faq-scan__shot {
  align-self: stretch;
}

/* ---------- 六类问题索引 ---------- */
.page-faq .faq-index {
  padding: clamp(2.25rem, 5.5vw, 4.25rem) 0;
  background: linear-gradient(180deg, var(--white) 0%, var(--paper) 100%);
  border-top: 1px solid var(--faq-soft);
  border-bottom: 1px solid var(--faq-soft);
}

.page-faq .faq-index__grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.75rem;
}

.page-faq .faq-index__navtitle {
  margin: 0 0 0.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-faq .faq-index__nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-frame);
}

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

.page-faq .faq-index__nav a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.7rem 0.25rem;
  color: var(--jade-deep);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-index__nav a:hover {
  color: var(--amber);
  padding-left: 0.55rem;
}

.page-faq .faq-index__nav .mono {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-faq .faq-cat + .faq-cat {
  margin-top: 2.25rem;
  padding-top: 2.25rem;
  border-top: 1px dashed var(--faq-soft);
}

.page-faq .faq-cat__title {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--jade-deep);
}

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

.page-faq .faq-cat__desc {
  margin: 0.5rem 0 0;
  max-width: 58ch;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-cat__list {
  margin-top: 1rem;
  border-top: 1px solid var(--faq-frame);
}

.page-faq .faq-cat__list .accordion {
  border-bottom: 1px solid var(--faq-soft);
}

.page-faq .faq-q__num {
  display: inline-block;
  margin-right: 0.65rem;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--amber);
}

/* ---------- 两步式反馈 ---------- */
.page-faq .faq-steps {
  padding: clamp(2.25rem, 5.5vw, 4.25rem) 0;
  background: linear-gradient(155deg, var(--jade-light) 0%, rgba(248, 245, 239, 0) 62%), var(--paper);
}

.page-faq .faq-steps__grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.75rem;
}

.page-faq .faq-steps__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: 1.2rem 1.25rem;
  background: var(--white);
  border: 1px solid var(--faq-frame);
  border-left: 4px solid var(--jade);
  box-shadow: var(--stack-soft);
}

.page-faq .faq-step + .faq-step {
  margin-top: 1rem;
}

.page-faq .faq-step__num {
  font-size: 1.7rem;
  line-height: 1;
  color: var(--amber);
}

.page-faq .faq-step h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--jade-deep);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--body-soft);
}

/* ---------- IOS 旧版差异 ---------- */
.page-faq .faq-legacy {
  padding: clamp(2.25rem, 5.5vw, 4.25rem) 0;
}

.page-faq .faq-legacy__grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.75rem;
}

.page-faq .faq-legacy__card {
  padding: 1.15rem 1.15rem 1.3rem;
  background: var(--white);
  border: 1px solid var(--faq-frame);
  box-shadow: var(--stack-soft);
}

.page-faq .faq-legacy__card h3 {
  margin: 0.8rem 0 0.5rem;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--jade-deep);
}

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

.page-faq .faq-legacy__more {
  margin: 1.75rem 0 0;
  padding: 0.95rem 1.1rem;
  background: var(--amber-light);
  border-left: 3px solid var(--amber);
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--ink);
}

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

/* ---------- 处理时效 ---------- */
.page-faq .faq-response {
  padding: clamp(2.25rem, 5.5vw, 4rem) 0;
}

.page-faq .faq-response__panel {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--indigo);
  color: var(--paper);
}

.page-faq .faq-response__num {
  margin: 0;
  font-size: clamp(3.25rem, 9vw, 5rem);
  line-height: 0.95;
  color: var(--amber);
}

.page-faq .faq-response__unit {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  color: var(--jade-light);
}

.page-faq .faq-response__headline h2 {
  margin: 0.9rem 0 0;
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  line-height: 1.35;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-response__copy p {
  margin: 0 0 0.9rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(248, 245, 239, 0.86);
}

.page-faq .faq-response__copy .btn-row {
  margin-top: 1.35rem;
}

/* ---------- 去向 ---------- */
.page-faq .faq-next {
  padding: 0 0 clamp(2.5rem, 6vw, 4.5rem);
}

.page-faq .faq-next__title {
  margin: 0 0 1.25rem;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 700;
  color: var(--jade-deep);
}

.page-faq .faq-next__list {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-next__list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.35rem 0.9rem;
  align-items: baseline;
  padding: 1rem 1.1rem;
  background: var(--white);
  border: 1px solid var(--faq-frame);
  border-top: 3px solid var(--jade);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-next__list a:hover {
  border-top-color: var(--amber);
  transform: translateY(-2px);
  box-shadow: var(--stack-soft);
}

.page-faq .faq-next__num {
  grid-row: span 2;
  font-size: 0.95rem;
  color: var(--amber);
}

.page-faq .faq-next__label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--jade-deep);
}

.page-faq .faq-next__hint {
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-legacy__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .page-faq .faq-scan__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(1.75rem, 4vw, 3rem);
  }

  .page-faq .faq-steps__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
    gap: clamp(2rem, 4vw, 3.25rem);
  }

  .page-faq .faq-response__panel {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.4fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 3.5rem);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-index__grid {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.75rem);
    align-items: start;
  }

  .page-faq .faq-index__nav {
    position: sticky;
    top: 7rem;
  }

  .page-faq .faq-legacy__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chips a,
  .page-faq .faq-index__nav a,
  .page-faq .faq-next__list a {
    transition: none;
  }

  .page-faq .faq-chips a:hover,
  .page-faq .faq-next__list a:hover {
    transform: none;
  }
}