.page-faq {
  --faq-orange-ink: #C24C0A;
  --faq-ink-soft: #2B3C56;
  --faq-ink-mute: #46586F;
  --faq-card: #F5F8FC;
}

.page-faq .faq-wrap {
  display: flex;
  flex-direction: column;
  gap: clamp(36px, 5vw, 72px);
  padding-top: clamp(18px, 2.6vw, 32px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  margin-bottom: 0;
}

.page-faq .breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--haze);
}

.page-faq .breadcrumbs-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(169, 187, 208, .55);
}

.page-faq .breadcrumbs-list a {
  color: var(--haze);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .breadcrumbs-list a:hover,
.page-faq .breadcrumbs-list a:focus-visible {
  color: var(--cyan);
}

/* ---------- 首屏声明 ---------- */
.page-faq .faq-masthead {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 3.8vw, 52px);
  border-radius: var(--r-m);
  border: 1px solid var(--line);
  background:
    radial-gradient(900px 360px at 6% -30%, rgba(47, 217, 208, .20), transparent 62%),
    radial-gradient(680px 300px at 98% -6%, rgba(255, 122, 43, .15), transparent 64%),
    linear-gradient(158deg, rgba(18, 41, 74, .94) 0%, rgba(10, 25, 48, .97) 100%);
}

.page-faq .faq-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(169, 187, 208, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169, 187, 208, .07) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(120% 95% at 18% 0%, #000 8%, transparent 76%);
  mask-image: radial-gradient(120% 95% at 18% 0%, #000 8%, transparent 76%);
}

.page-faq .faq-masthead .label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
  margin: 0;
}

.page-faq .faq-masthead h1 {
  margin: 14px 0 16px;
  max-width: 24ch;
  font-size: clamp(30px, 4.2vw, 54px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--glass);
}

.page-faq .faq-lead {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--haze);
}

.page-faq .faq-search {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-search .search-input {
  flex: 1 1 260px;
  min-width: 0;
  padding: 13px 18px;
  border-radius: var(--r-s);
  border: 1px solid var(--line-strong);
  background: rgba(10, 25, 48, .58);
  color: var(--glass);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.4;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-search .search-input::placeholder {
  color: rgba(169, 187, 208, .78);
}

.page-faq .faq-search .search-input:focus {
  outline: none;
  border-color: var(--cyan);
  background: rgba(10, 25, 48, .82);
  box-shadow: 0 0 0 3px rgba(47, 217, 208, .16);
}

.page-faq .faq-search .key-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(169, 187, 208, .8);
  white-space: nowrap;
}

.page-faq .faq-empty {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--orange-soft);
}

.page-faq .faq-empty a {
  color: var(--cyan);
}

/* ---------- 章节骨架 ---------- */
.page-faq .chapter {
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-faq .chapter-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: clamp(20px, 2.8vw, 34px);
  padding-left: 16px;
  border-left: 3px solid var(--cyan-deep);
}

.page-faq .chapter-index {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--orange);
}

.page-faq .chapter-title {
  margin: 0;
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--glass);
}

.page-faq .chapter-lead {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--haze);
}

/* ---------- 速答五问 ---------- */
.page-faq .quick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .quick-item {
  position: relative;
  padding: 20px 20px 22px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--r-s);
  background: linear-gradient(160deg, rgba(47, 217, 208, .08) 0%, rgba(18, 41, 74, .62) 55%, rgba(10, 25, 48, .72) 100%);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .quick-item:hover,
.page-faq .quick-item:focus-within {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  border-left-color: var(--orange);
}

.page-faq .quick-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--orange);
  margin-bottom: 10px;
}

.page-faq .quick-q {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.005em;
  color: var(--glass);
}

.page-faq .quick-a {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--haze);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
  border-radius: var(--r-m);
  border: 1px solid var(--line);
  background: var(--deep);
  overflow: hidden;
}

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

.page-faq .faq-figure .media-caption {
  margin: 0;
  padding: 12px 18px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--haze);
  background: rgba(10, 25, 48, .74);
  border-top: 1px solid var(--line);
}

.page-faq .faq-answers .faq-figure {
  margin: 0;
}

/* ---------- 索引 + 答案 分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-faq .faq-index {
  border-radius: var(--r-m);
  border: 1px solid var(--line);
  padding: 18px;
  background: var(--glass-bg);
}

.page-faq .faq-index-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  padding-bottom: 4px;
}

.page-faq .faq-index-list li {
  flex: 0 0 auto;
  max-width: 78vw;
}

.page-faq .faq-index-link {
  display: block;
  padding: 10px 14px;
  border-radius: var(--r-s);
  border-left: 3px solid transparent;
  background: rgba(10, 25, 48, .34);
  color: var(--haze);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--glass);
  background: rgba(47, 217, 208, .12);
  border-left-color: var(--orange);
}

.page-faq .faq-index-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-answers {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.page-faq .faq-item {
  padding: clamp(20px, 2.4vw, 30px);
  border-radius: var(--r-m);
  border: 1px solid rgba(10, 25, 48, .10);
  background: var(--faq-card);
  color: var(--ink);
  scroll-margin-top: calc(var(--header-h) + 28px);
  transition: box-shadow var(--dur) var(--ease);
}

.page-faq .faq-item:target {
  box-shadow: 0 0 0 2px var(--orange-soft);
}

.page-faq .faq-item h3 {
  margin: 0 0 12px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-faq .faq-item p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--faq-ink-soft);
}

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

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 16px 0 0;
  padding: 16px 0 0;
  border-top: 1px dashed rgba(10, 25, 48, .14);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 15px;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--faq-orange-ink);
  padding-top: 1px;
}

.page-faq .faq-contact {
  margin: 14px 0 0;
  padding: 12px 16px;
  border-radius: var(--r-s);
  border: 1px solid rgba(20, 168, 166, .34);
  background: rgba(47, 217, 208, .10);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .01em;
  color: #0B6B69;
  word-break: break-all;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-tail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--r-m);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(47, 217, 208, .12) 0%, rgba(18, 41, 74, .82) 48%, rgba(255, 122, 43, .12) 100%);
}

.page-faq .faq-tail-text {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.72;
  color: var(--glass);
}

.page-faq .faq-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .quick-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-index-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: visible;
  }

  .page-faq .faq-index-list li {
    flex: initial;
    max-width: none;
  }

  .page-faq .faq-index-link {
    white-space: normal;
  }
}

@media (min-width: 1024px) {
  .page-faq .quick-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 32px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding: 22px;
  }

  .page-faq .faq-index-list {
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .page-faq .faq-index-link {
    white-space: normal;
    font-size: 14.5px;
  }

  .page-faq .faq-item {
    padding: 30px;
  }

  .page-faq .faq-figure--square img {
    aspect-ratio: 4 / 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .quick-item,
  .page-faq .faq-index-link,
  .page-faq .faq-item {
    transition: none;
  }

  .page-faq .quick-item:hover,
  .page-faq .quick-item:focus-within {
    transform: none;
  }
}