.page-faq {
  --faq-line: rgba(11, 16, 38, 0.14);
  --faq-line-soft: rgba(11, 16, 38, 0.075);
  --faq-muted: #5c6688;
  --faq-panel: #ffffff;
  --faq-panel-edge: rgba(11, 16, 38, 0.1);
  background: var(--fog);
  color: var(--ink);
  overflow-x: clip;
}

.page-faq [id] {
  scroll-margin-top: 24px;
}

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

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 44px;
  background:
    radial-gradient(120% 100% at 92% -10%, rgba(74, 58, 140, 0.16), transparent 62%),
    radial-gradient(80% 80% at 2% 0%, rgba(53, 224, 208, 0.14), transparent 58%),
    var(--fog);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--faq-line), transparent);
}

.page-faq .faq-hero .breadcrumb,
.page-faq .faq-hero .breadcrumb__link,
.page-faq .faq-hero .breadcrumb__separator,
.page-faq .faq-hero .breadcrumb__current {
  color: var(--faq-muted);
}

.page-faq .faq-hero .breadcrumb__link {
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-track);
}

.page-faq .faq-hero .breadcrumb__link:hover,
.page-faq .faq-hero .breadcrumb__link:focus-visible {
  color: var(--nebula);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 26px;
  margin-top: 20px;
}

.page-faq .faq-hero .eyebrow {
  color: var(--nebula);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(1.75rem, 6vw, 2.75rem);
  line-height: 1.2;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--faq-muted);
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-hero__media {
  margin: 0;
  padding: 10px;
  background: var(--faq-panel);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-hero__media .media__caption {
  margin-top: 10px;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--faq-muted);
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 40px 0 64px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 52px;
    align-items: center;
    margin-top: 28px;
  }
}

/* ---------- 主体：目录 + 问答 ---------- */

.page-faq .faq-body {
  padding: 40px 0 48px;
}

.page-faq .faq-layout {
  display: grid;
  gap: 26px;
}

.page-faq .faq-dir {
  padding: 14px;
  background: var(--faq-panel);
  border: 1px solid var(--faq-line);
  overflow-x: auto;
}

.page-faq .faq-dir__title {
  margin: 0 0 10px;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faq-muted);
}

.page-faq .faq-dir__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
}

.page-faq .faq-dir__item {
  flex: 0 0 auto;
}

.page-faq .faq-dir__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--faq-line);
  color: var(--ink);
  font-size: 0.9375rem;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color var(--dur-fast) var(--ease-track),
    background-color var(--dur-fast) var(--ease-track),
    color var(--dur-fast) var(--ease-track);
}

.page-faq .faq-dir__code {
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--nebula);
}

.page-faq .faq-dir__link:hover,
.page-faq .faq-dir__link:focus-visible {
  background: rgba(74, 58, 140, 0.07);
  border-color: rgba(74, 58, 140, 0.36);
  color: var(--nebula);
}

.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: 38px;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-width: 42px;
  height: 26px;
  padding: 0 8px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--silver);
  background: var(--nebula);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  color: var(--ink);
}

/* ---------- 问答条目 ---------- */

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line-soft);
  border-left: 2px solid transparent;
  transition: background-color var(--dur) var(--ease-track),
    border-color var(--dur) var(--ease-track);
}

.page-faq .faq-item[open] {
  background: var(--faq-panel);
  border-left-color: var(--cyan);
  border-bottom-color: var(--faq-panel-edge);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.65;
  color: var(--ink);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

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

.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  width: 18px;
  text-align: center;
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--nebula);
}

.page-faq .faq-item__mark::before {
  content: "+";
}

.page-faq .faq-item[open] .faq-item__mark::before {
  content: "–";
}

.page-faq .faq-item__a {
  padding: 0 18px 18px 16px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--faq-muted);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__next {
  font-size: 0.875rem;
}

.page-faq .faq-item__next a {
  color: var(--nebula);
  text-decoration: none;
  border-bottom: 1px solid rgba(74, 58, 140, 0.34);
  transition: border-color var(--dur-fast) var(--ease-track);
}

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

/* 高频问题区：更大的字号与更宽的行距 */

.page-faq .faq-group--urgent .faq-group__title {
  font-size: 1.375rem;
}

.page-faq .faq-group--urgent .faq-item__q {
  padding: 19px 18px;
  font-size: 1.0625rem;
}

.page-faq .faq-group--urgent .faq-item__a {
  padding: 0 20px 20px 18px;
  font-size: 1rem;
  line-height: 1.85;
}

@media (min-width: 900px) {
  .page-faq .faq-body {
    padding: 64px 0 80px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-dir {
    position: sticky;
    top: 32px;
    padding: 18px 16px;
    overflow-x: visible;
  }

  .page-faq .faq-dir__list {
    display: grid;
    gap: 2px;
    padding: 0;
  }

  .page-faq .faq-dir__item {
    flex: none;
  }

  .page-faq .faq-dir__link {
    padding: 9px 10px;
    border: 0;
    border-left: 2px solid transparent;
    white-space: normal;
  }

  .page-faq .faq-dir__link:hover,
  .page-faq .faq-dir__link:focus-visible {
    background: rgba(74, 58, 140, 0.07);
    border-left-color: var(--cyan);
  }

  .page-faq .faq-group {
    margin-bottom: 52px;
    scroll-margin-top: 32px;
  }

  .page-faq .faq-item__q {
    padding: 17px 20px;
  }

  .page-faq .faq-item__a {
    padding: 0 44px 20px 20px;
  }

  .page-faq .faq-group--urgent .faq-item__q {
    padding: 22px 22px;
    font-size: 1.125rem;
  }

  .page-faq .faq-group--urgent .faq-item__a {
    padding: 0 80px 24px 22px;
  }
}

/* ---------- 人工帮助 ---------- */

.page-faq .faq-help {
  padding: 0 0 64px;
}

.page-faq .faq-help__panel {
  position: relative;
  padding: 30px 20px;
  background:
    radial-gradient(85% 120% at 94% 0%, rgba(53, 224, 208, 0.2), transparent 58%),
    radial-gradient(70% 110% at 0% 100%, rgba(242, 163, 60, 0.13), transparent 56%),
    var(--ink);
  color: var(--silver);
}

.page-faq .faq-help__head {
  max-width: 58ch;
}

.page-faq .faq-help__title {
  margin: 12px 0 0;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: clamp(1.375rem, 5vw, 1.875rem);
  line-height: 1.28;
  letter-spacing: 0.05em;
  color: var(--silver);
}

.page-faq .faq-help__lead {
  margin: 14px 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(232, 236, 245, 0.72);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 26px;
  margin-top: 28px;
}

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

.page-faq .faq-help__step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid rgba(232, 236, 245, 0.16);
  background: rgba(232, 236, 245, 0.045);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(232, 236, 245, 0.9);
}

.page-faq .faq-help__step-num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-help__media {
  margin: 0;
  padding: 10px;
  border: 1px solid rgba(232, 236, 245, 0.16);
  background: rgba(5, 7, 15, 0.42);
}

.page-faq .faq-help__media .media__caption {
  margin-top: 10px;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: rgba(232, 236, 245, 0.6);
}

.page-faq .faq-help__contact {
  display: grid;
  gap: 16px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid rgba(232, 236, 245, 0.16);
}

.page-faq .faq-help__contact-item {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.page-faq .faq-help__contact-label {
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(232, 236, 245, 0.55);
}

.page-faq .faq-help__contact-value {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--silver);
  overflow-wrap: anywhere;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-help__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid rgba(242, 163, 60, 0.7);
  font-size: 0.8125rem;
  line-height: 1.75;
  color: rgba(232, 236, 245, 0.66);
}

@media (min-width: 900px) {
  .page-faq .faq-help {
    padding: 0 0 88px;
  }

  .page-faq .faq-help__panel {
    padding: 52px 48px 46px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: 44px;
    align-items: center;
    margin-top: 34px;
  }

  .page-faq .faq-help__contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-dir__link,
  .page-faq .faq-hero .breadcrumb__link,
  .page-faq .faq-item__next a {
    transition: none;
  }
}