.page-faq {
  --faq-gold: var(--gold-500);
  --faq-gold-light: var(--gold-300);
  --faq-orange: var(--orange-500);
  --faq-teal: var(--teal-400);
  --faq-panel: var(--navy-800);
  --faq-index-width: 260px;
  position: relative;
  padding: 0 0 80px;
  color: var(--paper);
  font-family: var(--font-sans);
  background: var(--navy-900);
  overflow-x: clip;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq [id] {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

/* 面包屑 */
.page-faq .breadcrumbs {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px 20px 0;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .breadcrumbs__item a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .breadcrumbs__item a:hover {
  color: var(--gold-300);
}

.page-faq .breadcrumbs__sep {
  margin: 0 10px;
  color: var(--gold-500);
  opacity: 0.6;
}

.page-faq .breadcrumbs__item[aria-current="page"] {
  color: var(--gold-500);
}

/* Hero */
.page-faq .faq-hero {
  position: relative;
  max-width: 1240px;
  margin: 0 auto;
  padding: 56px 20px 72px;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-faq .faq-hero__content {
  max-width: 640px;
}

.page-faq .faq-hero__content h1 {
  margin: 14px 0 16px;
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 4.5vw, 3rem);
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 560px;
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__visual {
  position: relative;
  max-width: 640px;
}

.page-faq .faq-hero__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 4px;
  background: linear-gradient(135deg, rgba(201, 160, 99, 0.2), transparent 60%);
  transform: translate(14px, -14px);
  z-index: -1;
  pointer-events: none;
}

.page-faq .faq-hero__frame {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  background: var(--navy-800);
  border: 1px solid var(--line);
}

.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

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

.page-faq .faq-hero__badge {
  position: absolute;
  right: 14px;
  bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 4px;
  background: var(--faq-orange);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
}

.page-faq .faq-hero__badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fff;
}

.page-faq .faq-hero .edition-mark {
  position: absolute;
  right: -30px;
  top: 4px;
  z-index: 0;
  font-family: var(--font-mono);
  font-size: clamp(7rem, 18vw, 15rem);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(201, 160, 99, 0.28);
  pointer-events: none;
  user-select: none;
}

/* 问答主体 */
.page-faq .faq-body {
  position: relative;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-faq .faq-body__line {
  position: absolute;
  left: -12px;
  top: 0;
  width: 180px;
  height: 100%;
  min-height: 400px;
  pointer-events: none;
  opacity: 0.8;
  z-index: 0;
}

.page-faq .faq-index,
.page-faq .faq-drawer {
  position: relative;
  z-index: 1;
}

/* 索引侧栏 */
.page-faq .faq-index {
  position: relative;
  background: var(--navy-800);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px 20px 20px;
}

.page-faq .faq-index::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  width: 12px;
  height: 12px;
  background: var(--orange-500);
  transform: translateY(-50%) rotate(45deg);
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
}

.page-faq .faq-index__head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.page-faq .faq-index__mark {
  width: 10px;
  height: 10px;
  background: var(--faq-orange);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.page-faq .faq-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-300);
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__list li + li {
  border-top: 1px dashed var(--line);
}

.page-faq .faq-index__list a {
  display: block;
  padding: 12px 4px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-index__list a:hover {
  color: var(--gold-300);
  padding-left: 8px;
}

.page-faq .faq-index__foot {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(173, 182, 200, 0.7);
}

/* 抽屉区 */
.page-faq .faq-drawer {
  display: grid;
  gap: 32px;
}

.page-faq .faq-block {
  position: relative;
  background: rgba(16, 42, 92, 0.45);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px 22px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-block:target {
  border-color: rgba(255, 107, 53, 0.55);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.08);
}

.page-faq .faq-block__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.page-faq .faq-block__num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--faq-gold);
  line-height: 1;
}

.page-faq .faq-block__head h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--paper);
  margin: 0;
}

.page-faq .faq-block__tag {
  margin-left: auto;
  padding: 4px 10px;
  border-radius: 3px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--faq-teal);
  white-space: nowrap;
}

.page-faq .faq-block__list {
  display: grid;
  gap: 12px;
}

/* 抽屉式问答条目 */
.page-faq .faq-item {
  position: relative;
  background: var(--navy-900);
  border: 1px solid var(--line);
  border-left: 3px solid var(--faq-gold);
  border-radius: 4px;
  padding: 18px 18px 18px 20px;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item::before,
.page-faq .faq-item::after {
  content: "";
  position: absolute;
  right: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid var(--faq-gold);
  background: var(--navy-900);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-item::before {
  top: 12px;
}

.page-faq .faq-item::after {
  top: 28px;
}

.page-faq .faq-item[open] {
  border-left-color: var(--orange-500);
  background: linear-gradient(135deg, rgba(10, 31, 68, 0.95), rgba(16, 42, 92, 0.8));
  box-shadow: 6px 8px 24px rgba(3, 10, 28, 0.45);
}

.page-faq .faq-item[open]::before,
.page-faq .faq-item[open]::after {
  background: var(--orange-500);
  border-color: var(--orange-500);
}

.page-faq .faq-item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding-right: 30px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item summary:hover {
  color: var(--gold-300);
}

.page-faq .faq-item summary::before {
  content: "";
  position: absolute;
  right: 2px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--faq-orange);
  border-bottom: 2px solid var(--faq-orange);
  transform: translateY(-65%) rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] summary::before {
  transform: translateY(-30%) rotate(225deg);
}

.page-faq .faq-item[open] summary {
  color: var(--gold-300);
}

.page-faq .faq-item__body {
  padding-top: 14px;
  margin-top: 14px;
  border-top: 1px dashed rgba(201, 160, 99, 0.25);
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-item__body a {
  color: var(--gold-300);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-item__body a:hover {
  color: var(--orange-500);
}

/* 联系横带 */
.page-faq .faq-contact {
  position: relative;
  max-width: 1240px;
  margin: 64px auto 0;
  padding: 0 20px;
}

.page-faq .faq-contact::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -1px;
  transform: translateX(-50%);
  width: 120px;
  height: 3px;
  background: linear-gradient(90deg, var(--orange-500), var(--gold-500));
  border-radius: 2px;
}

.page-faq .faq-contact__grid {
  position: relative;
  display: grid;
  gap: 32px;
  align-items: center;
  background:
    radial-gradient(circle at 10% 20%, rgba(255, 107, 53, 0.12), transparent 35%),
    radial-gradient(circle at 90% 80%, rgba(45, 212, 191, 0.08), transparent 30%),
    var(--navy-800);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 36px 24px;
  overflow: hidden;
}

.page-faq .faq-contact__content {
  position: relative;
  z-index: 2;
}

.page-faq .faq-contact__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--faq-orange);
  margin-bottom: 10px;
}

.page-faq .faq-contact h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-faq .faq-contact__content > p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 520px;
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 10px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__list li {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  background: rgba(10, 31, 68, 0.55);
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold-500);
  border-radius: 4px;
}

.page-faq .faq-contact__list li span {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-contact__list li strong {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .faq-contact__visual {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--navy-900);
}

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

/* 隐私提示 */
.page-faq .faq-privacy {
  max-width: 1240px;
  margin: 40px auto 0;
  padding: 0 20px;
}

.page-faq .faq-privacy__inner {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 24px;
  background: rgba(10, 31, 68, 0.6);
  border: 1px dashed rgba(201, 160, 99, 0.35);
  border-radius: 8px;
}

.page-faq .faq-privacy__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: rgba(201, 160, 99, 0.15);
  border: 1px solid rgba(201, 160, 99, 0.4);
  color: var(--gold-300);
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
}

.page-faq .faq-privacy h2 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--paper);
  margin: 0 0 6px;
}

.page-faq .faq-privacy p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-privacy p a {
  color: var(--gold-300);
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (min-width: 860px) {
  .page-faq .faq-hero {
    padding: 72px 20px 88px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-index-width) 1fr;
    gap: 40px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding: 28px 22px 22px;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: 1fr 0.85fr;
    padding: 40px 44px;
  }

  .page-faq .faq-contact__list {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-contact__list li:first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .page-faq .faq-hero__visual::before {
    transform: translate(8px, -8px);
  }

  .page-faq .faq-block {
    padding: 20px 16px;
  }

  .page-faq .faq-contact__grid {
    padding: 28px 18px;
  }

  .page-faq .faq-contact__list li strong {
    font-size: 14px;
  }

  .page-faq .faq-privacy__inner {
    align-items: flex-start;
    padding: 18px 16px;
  }
}