.page-faq {
  --faq-rule: rgba(11, 43, 91, 0.16);
  --faq-hero-ink: rgba(255, 255, 255, 0.84);
}

/* ---------- 面包屑上方的留白 ---------- */
.page-faq > .container:first-child {
  padding-top: var(--s3);
  padding-bottom: var(--s2);
}

/* ---------- 首屏：框景 + 斜向切分 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: linear-gradient(158deg, var(--navy) 0%, var(--navy-deep) 58%, #0a2349 100%);
  color: var(--white);
  padding: var(--s4) 0 var(--s5);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 8px;
  background-color: var(--white);
  background-image:
    linear-gradient(45deg, var(--red) 25%, transparent 25%, transparent 75%, var(--red) 75%),
    linear-gradient(45deg, var(--red) 25%, transparent 25%, transparent 75%, var(--red) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 8px 8px;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--s4);
}

.page-faq .faq-hero .section-label {
  color: var(--gold);
  margin: 0 0 var(--s1);
}

.page-faq .faq-hero h1 {
  margin: 0 0 var(--s2);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 7.2vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 36em;
  color: var(--faq-hero-ink);
  font-size: clamp(1rem, 2.6vw, 1.125rem);
  line-height: 1.8;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  margin-top: var(--s3);
}

.page-faq .faq-hero .button--ghost {
  color: var(--white);
  border-color: var(--gold);
}

.page-faq .faq-hero .button--ghost:hover,
.page-faq .faq-hero .button--ghost:focus-visible {
  color: var(--navy);
  background: var(--gold);
}

.page-faq .faq-hero__figure {
  margin: 0;
  padding: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: var(--s5) 0 var(--s6);
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: var(--s5);
  }

  .page-faq .faq-hero__figure {
    transform: translateY(12px);
  }
}

/* ---------- 分类标签墙 ---------- */
.page-faq .faq-index {
  padding: var(--s5) 0 var(--s4);
}

.page-faq .faq-index__wall {
  display: grid;
  gap: var(--s3);
  margin-top: var(--s3);
}

.page-faq .faq-tile {
  display: flex;
  flex-direction: column;
  position: relative;
  padding: var(--s3);
  background: var(--white);
  border: 1px solid var(--faq-rule);
  border-top: 4px solid var(--red);
  color: var(--ink);
  text-decoration: none;
  transition: transform 180ms ease-out, border-top-color 180ms ease-out, box-shadow 180ms ease-out;
}

.page-faq .faq-tile:hover,
.page-faq .faq-tile:focus-visible {
  transform: translateY(-4px);
  border-top-color: var(--gold);
  box-shadow: var(--shadow-card);
  outline: none;
}

.page-faq .faq-tile__num {
  display: block;
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  color: var(--red);
  margin-bottom: var(--s1);
}

.page-faq .faq-tile:hover .faq-tile__num,
.page-faq .faq-tile:focus-visible .faq-tile__num {
  color: var(--navy);
}

.page-faq .faq-tile__title {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  font-weight: 800;
  line-height: 1.45;
  color: var(--navy);
}

.page-faq .faq-tile__desc {
  margin: 0 0 var(--s3);
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .faq-tile__go {
  margin-top: auto;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--red);
  border-bottom: 2px solid transparent;
  align-self: flex-start;
  padding-bottom: 2px;
  transition: border-bottom-color 160ms ease-out;
}

.page-faq .faq-tile:hover .faq-tile__go,
.page-faq .faq-tile:focus-visible .faq-tile__go {
  border-bottom-color: var(--gold);
}

@media (min-width: 640px) {
  .page-faq .faq-index__wall {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-index__wall {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  padding: var(--s5) 0;
}

.page-faq .faq-group--tint {
  background: var(--paper-2);
}

.page-faq .faq-group .section-head {
  margin-bottom: var(--s3);
}

.page-faq .faq-list {
  display: grid;
  gap: 0;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-rule);
  border-left: 3px solid var(--paper-2);
  padding: 0 0 0 var(--s2);
  transition: border-left-color 180ms ease-out;
}

.page-faq .faq-group--tint .faq-item {
  border-left-color: rgba(11, 43, 91, 0.08);
}

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

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: var(--s2);
  padding: var(--s2) var(--s4) var(--s2) 0;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.6;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
  transition: color 160ms ease-out;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--red);
  transition: transform 180ms ease-out, color 180ms ease-out;
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--gold);
  transform: translateY(-50%) rotate(180deg);
}

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--red);
  outline: none;
}

.page-faq .faq-item__a {
  padding: 0 0 var(--s3);
  max-width: 40em;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--muted);
}

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

.page-faq .faq-item__a a {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 1px;
  transition: color 160ms ease-out, border-bottom-color 160ms ease-out;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* ---------- 对照区：主栏 + 侧向图片 ---------- */
.page-faq .faq-compare__grid {
  display: grid;
  gap: var(--s4);
}

.page-faq .faq-compare__figure {
  margin: 0;
  padding: 8px;
  background: var(--white);
  border: 1px solid var(--faq-rule);
  border-bottom: 4px solid var(--red);
}

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

.page-faq .faq-compare__caption {
  display: block;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--faq-rule);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-faq .faq-compare__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: var(--s5);
  }

  .page-faq .faq-compare__figure {
    margin-top: var(--s4);
  }
}

/* ---------- 纠错三步 ---------- */
.page-faq .qa-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--s2);
  counter-reset: none;
}

.page-faq .qa-step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: var(--s2);
  align-items: start;
  padding: var(--s3) var(--s2);
  background: var(--white);
  border: 1px solid var(--faq-rule);
  border-left: 4px solid var(--navy);
  transition: border-left-color 180ms ease-out, transform 180ms ease-out;
}

.page-faq .qa-step:hover {
  border-left-color: var(--red);
  transform: translateX(4px);
}

.page-faq .qa-step__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  font-weight: 600;
  color: var(--gold);
}

.page-faq .qa-step__title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.5;
}

.page-faq .qa-step__body p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-note {
  margin: var(--s3) 0 0;
  padding-left: var(--s2);
  border-left: 2px solid var(--gold);
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 40em;
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-help {
  padding: var(--s5) 0;
}

.page-faq .faq-help__card {
  display: grid;
  gap: var(--s3);
  padding: var(--s4) var(--s3);
  background: var(--navy);
  color: var(--white);
  border-left: 8px solid var(--gold);
  background-image: linear-gradient(120deg, rgba(18, 58, 114, 0.9) 0%, rgba(11, 43, 91, 1) 70%);
}

.page-faq .faq-help__intro h2 {
  margin: 0 0 var(--s1);
  font-size: clamp(1.375rem, 4.6vw, 1.875rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--white);
}

.page-faq .faq-help__intro p {
  margin: 0;
  max-width: 40em;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
}

.page-faq .faq-help__rows {
  display: grid;
  gap: var(--s2);
}

.page-faq .faq-help__row {
  display: grid;
  gap: 4px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.page-faq .faq-help__key {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-faq .faq-help__val {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-help__tip {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.78);
  max-width: 42em;
}

.page-faq .faq-help__tip a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 2px solid rgba(245, 180, 23, 0.45);
  padding-bottom: 1px;
  transition: border-bottom-color 160ms ease-out;
}

.page-faq .faq-help__tip a:hover,
.page-faq .faq-help__tip a:focus-visible {
  border-bottom-color: var(--gold);
  outline: none;
}

@media (min-width: 900px) {
  .page-faq .faq-help__card {
    grid-template-columns: 6fr 4fr;
    gap: var(--s5);
    padding: var(--s5);
    align-items: start;
  }

  .page-faq .faq-help__rows {
    grid-column: 2;
  }

  .page-faq .faq-help__tip {
    grid-column: 1 / -1;
  }
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-more {
  padding: var(--s5) 0 var(--s6);
}

.page-faq .faq-more__links {
  display: grid;
  gap: 0;
  margin-top: var(--s3);
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-more__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--s2);
  padding: var(--s2) var(--s1);
  border-bottom: 1px solid var(--faq-rule);
  text-decoration: none;
  color: var(--ink);
  transition: background-color 160ms ease-out, padding-left 160ms ease-out;
}

.page-faq .faq-more__link:hover,
.page-faq .faq-more__link:focus-visible {
  background: var(--paper-2);
  padding-left: var(--s2);
  outline: none;
}

.page-faq .faq-more__k {
  flex: 0 0 auto;
  min-width: 4.5em;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--red);
  text-transform: uppercase;
}

.page-faq .faq-more__t {
  flex: 1 1 auto;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--navy);
}

@media (min-width: 900px) {
  .page-faq .faq-more__links {
    grid-template-columns: repeat(2, 1fr);
    border-top: none;
  }

  .page-faq .faq-more__link:nth-child(1),
  .page-faq .faq-more__link:nth-child(2) {
    border-top: 1px solid var(--faq-rule);
  }
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tile,
  .page-faq .faq-tile__go,
  .page-faq .faq-item,
  .page-faq .faq-item__q::after,
  .page-faq .qa-step,
  .page-faq .faq-more__link {
    transition-duration: 0.01ms;
  }

  .page-faq .faq-tile:hover,
  .page-faq .faq-tile:focus-visible,
  .page-faq .qa-step:hover {
    transform: none;
  }
}