.page-faq {
  --faq-card: #FBF5EA;
  --faq-shadow: 6px 6px 0 var(--c-ink);
  background-color: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-body);
}

.page-faq .faq-link {
  color: var(--c-ochre);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid rgba(122, 46, 34, 0.35);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--c-canyon);
  border-bottom-color: var(--c-canyon);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding-block: var(--sp-3) 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: var(--sp-4) var(--sp-6);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--sp-4);
  align-items: end;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8.5vw, 92px);
  line-height: 0.98;
  letter-spacing: 0.01em;
  margin: 0 0 var(--sp-3);
}

.page-faq .faq-hero__lead {
  max-width: 620px;
  margin: 0 0 var(--sp-3);
  font-size: var(--fs-18);
  line-height: 1.75;
  color: var(--c-feather);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-faq .faq-hero__figure {
  margin: 0;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--line) solid var(--c-ink);
  border-radius: var(--radius);
  box-shadow: var(--faq-shadow);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.65fr);
    gap: var(--sp-6);
  }
}

/* ---------- 现象索引 ---------- */
.page-faq .faq-scan {
  padding-block: var(--sp-6);
  scroll-margin-top: 96px;
}

.page-faq .faq-scan__head {
  max-width: 720px;
  margin-bottom: var(--sp-4);
}

.page-faq .faq-scan__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 4.6vw, 48px);
  line-height: 1.12;
  letter-spacing: 0.02em;
  margin: 0 0 var(--sp-2);
}

.page-faq .faq-scan__note {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--c-feather);
}

.page-faq .faq-scan__grid {
  display: grid;
  gap: var(--sp-3);
}

.page-faq .faq-scan__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--sp-3);
  background: var(--faq-card);
  border: var(--line) solid var(--c-ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  color: var(--c-ink);
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.page-faq .faq-scan__card:hover,
.page-faq .faq-scan__card:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--faq-shadow);
  border-color: var(--c-gold);
}

.page-faq .faq-scan__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-24);
  letter-spacing: 0.06em;
  color: var(--c-gold);
}

.page-faq .faq-scan__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-18);
  line-height: 1.45;
}

.page-faq .faq-scan__desc {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--c-feather);
}

.page-faq .faq-scan__go {
  margin-top: auto;
  padding-top: 8px;
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--c-canyon);
}

@media (min-width: 620px) {
  .page-faq .faq-scan__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

/* ---------- 三步检查法 ---------- */
.page-faq .faq-steps {
  position: relative;
  background-color: var(--c-hawk);
  color: var(--c-paper);
  border-block: var(--line) solid var(--c-ink);
  padding-block: var(--sp-6);
  scroll-margin-top: 96px;
  overflow: hidden;
}

.page-faq .faq-steps__bg {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}

.page-faq .faq-steps__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
}

.page-faq .faq-steps__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-4);
}

.page-faq .faq-steps__head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.14;
  margin: 0 0 var(--sp-2);
  color: var(--c-paper);
}

.page-faq .faq-steps__head p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: rgba(243, 235, 221, 0.82);
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-3);
}

.page-faq .faq-steps__item {
  position: relative;
  padding-left: 48px;
}

.page-faq .faq-steps__item::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 34px;
  bottom: -24px;
  border-left: 2px dashed rgba(232, 199, 102, 0.5);
}

.page-faq .faq-steps__item:last-child::before {
  display: none;
}

.page-faq .faq-steps__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-18);
  color: var(--c-ink);
  background: var(--c-gold);
  border: var(--line) solid var(--c-ink);
}

.page-faq .faq-steps__item h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-18);
  margin: 0 0 6px;
  color: var(--c-gold-lite);
}

.page-faq .faq-steps__item p {
  margin: 0 0 8px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: rgba(243, 235, 221, 0.9);
}

.page-faq .faq-steps__expect {
  padding-left: 12px;
  border-left: 2px solid rgba(232, 199, 102, 0.6);
  font-size: var(--fs-14);
  color: var(--c-gold-lite);
}

@media (min-width: 600px) {
  .page-faq .faq-steps__item {
    padding-left: 64px;
  }

  .page-faq .faq-steps__num {
    width: 56px;
    height: 56px;
    font-size: var(--fs-24);
  }

  .page-faq .faq-steps__item::before {
    left: 27px;
    top: 44px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-steps__inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--sp-6);
    align-items: start;
  }
}

/* ---------- 分现象详解 ---------- */
.page-faq .faq-cases {
  padding-block: var(--sp-9);
}

.page-faq .faq-cases__layout {
  display: grid;
  gap: var(--sp-4);
}

.page-faq .faq-cases__index {
  border: var(--line) solid var(--c-ink);
  border-radius: var(--radius);
  background: var(--c-feather);
  box-shadow: var(--faq-shadow);
  padding: var(--sp-2);
}

.page-faq .faq-cases__index-title {
  margin: 0 0 var(--sp-2);
  padding-left: 10px;
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-gold-lite);
}

.page-faq .faq-cases__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-cases__link {
  display: block;
  padding: 10px 12px;
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--c-paper);
  text-decoration: none;
  border-left: 4px solid transparent;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.page-faq .faq-cases__link:hover,
.page-faq .faq-cases__link:focus-visible {
  border-left-color: var(--c-gold);
  background: rgba(232, 199, 102, 0.14);
  color: var(--c-gold-lite);
}

.page-faq .faq-cases__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 4.4vw, 48px);
  line-height: 1.12;
  margin: 0 0 var(--sp-2);
}

.page-faq .faq-cases__lead {
  max-width: 620px;
  margin: 0 0 var(--sp-4);
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--c-feather);
}

.page-faq .faq-case {
  border: var(--line) solid var(--c-ink);
  border-radius: var(--radius);
  background: var(--faq-card);
  box-shadow: var(--shadow-soft);
  margin-bottom: var(--sp-3);
  scroll-margin-top: 112px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.page-faq .faq-case[open],
.page-faq .faq-case:target {
  border-color: var(--c-gold);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-case__summary {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-case__num {
  flex: none;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-14);
  letter-spacing: 0.08em;
  color: var(--c-gold);
}

.page-faq .faq-case__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(16px, 2.2vw, 22px);
  line-height: 1.45;
}

.page-faq .faq-case__sign {
  position: relative;
  flex: none;
  width: 26px;
  height: 26px;
  margin-left: auto;
  border: var(--line) solid var(--c-ink);
  border-radius: 2px;
  background: var(--c-paper);
  transition: background-color 160ms ease;
}

.page-faq .faq-case__sign::before,
.page-faq .faq-case__sign::after {
  content: "";
  position: absolute;
  background: var(--c-ink);
  transition: transform 160ms ease;
}

.page-faq .faq-case__sign::before {
  left: 5px;
  right: 5px;
  top: 50%;
  height: 2px;
  margin-top: -1px;
}

.page-faq .faq-case__sign::after {
  top: 5px;
  bottom: 5px;
  left: 50%;
  width: 2px;
  margin-left: -1px;
}

.page-faq .faq-case[open] .faq-case__sign {
  background: var(--c-gold);
}

.page-faq .faq-case[open] .faq-case__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-case__body {
  padding: 0 var(--sp-3) var(--sp-3);
}

.page-faq .faq-case__cause {
  margin: 0 0 var(--sp-2);
  padding: var(--sp-2);
  background: rgba(201, 162, 39, 0.12);
  border-left: 4px solid var(--c-gold);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-ink);
}

.page-faq .faq-case__cause strong {
  color: var(--c-ochre);
}

.page-faq .faq-case__steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-case__steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 38px;
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--c-ink);
}

.page-faq .faq-case__steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-14);
  letter-spacing: 0.04em;
  color: var(--c-canyon);
  border-bottom: 2px solid rgba(210, 96, 26, 0.45);
  padding-bottom: 1px;
}

@media (max-width: 979px) {
  .page-faq .faq-cases__list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .page-faq .faq-cases__link {
    white-space: nowrap;
    border-left: none;
    border-bottom: 3px solid transparent;
    padding: 8px 10px;
  }

  .page-faq .faq-cases__link:hover,
  .page-faq .faq-cases__link:focus-visible {
    border-left-color: transparent;
    border-bottom-color: var(--c-gold);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-cases__layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: var(--sp-6);
    align-items: start;
  }

  .page-faq .faq-cases__index {
    position: sticky;
    top: 112px;
  }
}

/* ---------- 适配矩阵 ---------- */
.page-faq .faq-fit {
  padding-block: var(--sp-6) var(--sp-9);
}

.page-faq .faq-fit__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 4.4vw, 48px);
  line-height: 1.12;
  margin: 0 0 var(--sp-2);
}

.page-faq .faq-fit__lead {
  max-width: 660px;
  margin: 0 0 var(--sp-3);
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--c-feather);
}

.page-faq .faq-matrix-wrap {
  overflow-x: auto;
  padding: var(--sp-2);
  background: var(--faq-card);
  border: var(--line) solid var(--c-ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-matrix {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: var(--fs-14);
}

.page-faq .faq-matrix th,
.page-faq .faq-matrix td {
  border: 1px solid rgba(20, 16, 12, 0.2);
  padding: 6px;
  text-align: center;
}

.page-faq .faq-matrix thead th {
  background: var(--c-dusk);
  color: var(--c-paper);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-faq .faq-matrix tbody th {
  background: var(--c-feather);
  color: var(--c-paper);
  font-weight: 700;
  text-align: left;
  padding-left: 12px;
}

.page-faq .faq-cell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 30px;
  padding: 2px 4px;
  background: rgba(201, 162, 39, 0.22);
  border: 1px solid var(--c-gold);
  color: var(--c-ink);
  font-size: var(--fs-12);
  font-weight: 700;
  cursor: help;
  transition: background-color 160ms ease;
}

.page-faq .faq-cell:hover,
.page-faq .faq-cell:focus-visible {
  background: var(--c-gold);
}

.page-faq .faq-cell__tip {
  display: none;
}

.page-faq .faq-fit__note {
  margin: var(--sp-2) 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-feather);
}

@media (min-width: 900px) {
  .page-faq .faq-matrix-wrap {
    overflow: visible;
  }

  .page-faq .faq-cell__tip {
    display: block;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    width: 190px;
    padding: 8px 10px;
    background: var(--c-ink);
    border: 1px solid var(--c-gold);
    color: var(--c-paper);
    font-size: var(--fs-12);
    font-weight: 400;
    line-height: 1.6;
    text-align: left;
    opacity: 0;
    visibility: hidden;
    z-index: 5;
    pointer-events: none;
    transition: opacity 160ms ease;
  }

  .page-faq .faq-cell:hover .faq-cell__tip,
  .page-faq .faq-cell:focus-visible .faq-cell__tip {
    opacity: 1;
    visibility: visible;
  }

  .page-faq .faq-matrix td:first-child .faq-cell__tip {
    left: 0;
    transform: none;
  }

  .page-faq .faq-matrix td:last-child .faq-cell__tip {
    left: auto;
    right: 0;
    transform: none;
  }
}

/* ---------- 联系人工 ---------- */
.page-faq .faq-help {
  padding-block: var(--sp-9);
  background: var(--c-dusk);
  color: var(--c-paper);
  border-block: var(--line) solid var(--c-ink);
}

.page-faq .faq-help__inner {
  display: grid;
  gap: var(--sp-4);
}

.page-faq .faq-help h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.14;
  margin: 0 0 var(--sp-2);
  color: var(--c-paper);
}

.page-faq .faq-help p {
  margin: 0 0 var(--sp-2);
  font-size: var(--fs-16);
  line-height: 1.78;
  color: rgba(243, 235, 221, 0.9);
}

.page-faq .faq-help strong {
  color: var(--c-gold-lite);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0 0 var(--sp-3);
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-16);
  line-height: 1.7;
  color: rgba(243, 235, 221, 0.94);
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--c-gold);
  border-radius: 50%;
}

.page-faq .faq-help__aside {
  padding: var(--sp-3);
  background: rgba(20, 16, 12, 0.25);
  border: var(--line) solid var(--c-gold);
  border-radius: var(--radius);
}

.page-faq .faq-help__aside-title {
  margin: 0 0 var(--sp-2);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-gold-lite);
}

.page-faq .faq-help__aside ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-help__aside a {
  display: inline-block;
  padding-bottom: 2px;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--c-paper);
  text-decoration: none;
  border-bottom: 2px solid rgba(232, 199, 102, 0.5);
}

.page-faq .faq-help__aside a:hover,
.page-faq .faq-help__aside a:focus-visible {
  color: var(--c-gold-lite);
  border-bottom-color: var(--c-gold-lite);
}

@media (min-width: 900px) {
  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: var(--sp-6);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-scan__card,
  .page-faq .faq-case__sign,
  .page-faq .faq-case__sign::after,
  .page-faq .faq-case,
  .page-faq .faq-cell {
    transition: none;
  }

  .page-faq .faq-scan__card:hover,
  .page-faq .faq-scan__card:focus-visible {
    transform: none;
  }
}