.page-faq {
  padding-bottom: calc(var(--bar-h) + 56px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--ticker-h) + 24px);
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(680px 320px at 94% -8%, rgba(0, 229, 192, 0.16), transparent 62%),
    radial-gradient(520px 300px at -6% 104%, rgba(255, 185, 46, 0.08), transparent 66%),
    linear-gradient(180deg, var(--pitch-2), var(--pitch));
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-faq .faq-hero__eyebrow {
  display: block;
  margin: 18px 0 0;
  color: var(--cyan-soft);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(28px, 7.4vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--ink);
}

.page-faq .faq-hero__lede {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-2);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 24px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-faq .faq-hero__num {
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-faq .faq-hero__cap {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--ink-2);
}

.page-faq .faq-hero__media {
  margin: 0 auto;
  width: 100%;
  max-width: 330px;
  border: 1px solid var(--line);
}

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

/* ---------- 通用章节 ---------- */
.page-faq .faq-sec {
  padding: 40px 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-sec--lead {
  border-top: 0;
}

.page-faq .faq-sec .section-head {
  margin-bottom: 20px;
}

/* ---------- 分类标签页 ---------- */
.page-faq .faq-tabs__bar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-faq .faq-cat {
  display: grid;
  gap: 3px;
  padding: 14px 14px 12px;
  text-align: left;
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-cat:hover {
  border-color: var(--cyan);
  box-shadow: inset 0 0 0 1px rgba(0, 229, 192, 0.25);
}

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

.page-faq .faq-cat[aria-selected="true"],
.page-faq .faq-cat.is-active {
  border-color: var(--cyan);
  box-shadow: inset 0 -2px 0 var(--cyan);
}

.page-faq .faq-cat[aria-selected="true"] .faq-cat__name,
.page-faq .faq-cat.is-active .faq-cat__name {
  color: var(--cyan-soft);
}

.page-faq .faq-cat__idx {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-2);
}

.page-faq .faq-cat__name {
  font-size: 15px;
  line-height: 1.4;
}

.page-faq .faq-cat__count {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .faq-panel {
  margin-top: 18px;
}

.page-faq .faq-panel[hidden] {
  display: none;
}

/* ---------- 问答折叠项 ---------- */
.page-faq .faq-q {
  position: relative;
  margin-bottom: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: border-color 0.2s var(--ease);
}

.page-faq .faq-q:hover {
  border-color: var(--line);
  box-shadow: 0 12px 28px -24px rgba(0, 0, 0, 0.95);
}

.page-faq .faq-q[open] {
  border-color: var(--line);
}

.page-faq .faq-q[open]::before {
  content: "";
  position: absolute;
  top: -1px;
  bottom: -1px;
  left: -1px;
  width: 2px;
  background: var(--cyan);
}

.page-faq .faq-q summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 8px;
  font-family: var(--font-num);
  font-size: 17px;
  line-height: 1.2;
  color: var(--cyan);
}

.page-faq .faq-q[open] summary::after {
  content: "−";
}

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

.page-faq .faq-q__num {
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan-soft);
}

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

.page-faq .faq-a {
  padding: 0 16px 16px 41px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-2);
}

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

.page-faq .faq-a strong {
  font-weight: 600;
  color: var(--ink);
}

.page-faq .faq-a__link {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-a__link:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan);
}

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

/* ---------- 操作步骤 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px;
  background: var(--pitch-2);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-faq .faq-steps__num {
  font-family: var(--font-num);
  font-size: 24px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-faq .faq-steps__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-steps__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-2);
}

.page-faq .faq-note {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  margin-top: 16px;
  padding: 14px 16px;
  background: rgba(255, 185, 46, 0.07);
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber);
  border-radius: 2px;
}

.page-faq .faq-note__tag {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-faq .faq-note__text {
  flex: 1 1 240px;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
}

/* ---------- 名词速查 ---------- */
.page-faq .faq-terms__media {
  margin: 0 0 22px;
  border: 1px solid var(--line);
}

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

.page-faq .faq-terms {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-terms__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-terms dt {
  font-family: var(--font-num);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-faq .faq-terms dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-2);
}

/* ---------- 人工帮助 ---------- */
.page-faq .faq-help {
  padding: 40px 0 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--pitch), var(--pitch-2));
}

.page-faq .faq-help__card {
  display: grid;
  gap: 24px;
  padding: 22px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-faq .faq-help__title {
  margin: 8px 0 10px;
  font-size: clamp(21px, 5vw, 28px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-help__text {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-2);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-faq .faq-help__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-help__item {
  display: grid;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-help__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-2);
}

.page-faq .faq-help__value {
  font-family: var(--font-num);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--ticker-h) + 40px);
    padding-bottom: 52px;
  }

  .page-faq .faq-hero__lede {
    font-size: 16.5px;
  }

  .page-faq .faq-cat {
    padding: 16px 16px 14px;
  }

  .page-faq .faq-help__card {
    padding: 28px 24px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-tabs__bar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .faq-q summary {
    padding: 16px 20px;
    font-size: 15.5px;
  }

  .page-faq .faq-a {
    padding: 0 20px 18px 55px;
    max-width: 78ch;
  }

  .page-faq .faq-terms__row {
    grid-template-columns: minmax(120px, 0.26fr) 1fr;
    gap: 24px;
    align-items: baseline;
    padding: 16px 0;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-faq {
    padding-left: var(--rail-w);
    padding-bottom: 56px;
  }

  .page-faq .faq-hero {
    padding-top: calc(var(--ticker-h) + 64px);
    padding-bottom: 72px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 52px;
  }

  .page-faq .faq-hero__media {
    max-width: none;
  }

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

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

  .page-faq .faq-help__card {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 40px;
    padding: 36px 32px;
  }

  .page-faq .faq-help__list {
    border-top: 0;
    align-content: start;
  }

  .page-faq .faq-help__item:first-child {
    border-top: 1px solid var(--line);
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-terms {
    max-width: 980px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-q {
    transition: none;
  }
}