.page-faq {
  --faq-sticky: 84px;
  --faq-line: rgba(0, 229, 195, 0.22);
  --faq-line-soft: rgba(233, 247, 241, 0.12);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 44px 0 0;
  background:
    radial-gradient(circle at 84% 6%, rgba(0, 229, 195, 0.16), transparent 52%),
    radial-gradient(circle at 12% 92%, rgba(255, 107, 53, 0.12), transparent 48%),
    linear-gradient(158deg, var(--ink) 0%, var(--ink-deep) 100%);
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -70px;
  width: 56%;
  height: 180px;
  background: var(--orange);
  opacity: 0.09;
  transform: skewY(-5deg);
  pointer-events: none;
}
.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  padding-bottom: 48px;
}
.page-faq .faq-hero__text {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.page-faq .faq-hero__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
}
.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 8.4vw, 74px);
  line-height: 1.04;
  letter-spacing: 0.02em;
  color: var(--text);
  text-shadow: 4px 4px 0 rgba(0, 0, 0, 0.28);
}
.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-dim);
}
.page-faq .faq-jump {
  display: grid;
  gap: 2px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-line-soft);
}
.page-faq .faq-jump__link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 4px;
  border-bottom: 1px solid var(--faq-line-soft);
  color: var(--text);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.22s var(--ease), padding-left 0.22s var(--ease);
}
.page-faq .faq-jump__link .mono {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.1em;
}
.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--cyan);
  padding-left: 12px;
}
.page-faq .faq-hero__media {
  margin: 0;
  border: 3px solid var(--ink-line);
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 7 / 4;
}

/* ---------- 通用区块微调 ---------- */
.page-faq .section {
  padding: 56px 0;
}
.page-faq .section__lead {
  max-width: 62ch;
}

/* ---------- 对比表 ---------- */
.page-faq .faq-compare {
  background:
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 100%);
}
.page-faq .faq-table-wrap {
  margin-top: 8px;
}
.page-faq .faq-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--text);
}
.page-faq .faq-table__caption {
  caption-side: top;
  padding: 0 0 12px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}
.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--ink-line);
  line-height: 1.65;
}
.page-faq .faq-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--ink-mid);
  border-bottom: 2px solid var(--cyan);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--text);
}
.page-faq .faq-table__col-a {
  color: var(--cyan);
}
.page-faq .faq-table__col-b {
  color: var(--orange-soft);
}
.page-faq .faq-table tbody th {
  width: 34%;
  font-weight: 500;
  color: var(--text-dim);
  background: rgba(6, 26, 20, 0.4);
}
.page-faq .faq-table tbody tr:hover td,
.page-faq .faq-table tbody tr:hover th {
  background: rgba(0, 229, 195, 0.07);
  color: var(--text);
}
.page-faq .faq-table tbody td:nth-child(2) {
  border-left: 2px solid rgba(0, 229, 195, 0.35);
}
.page-faq .faq-table tbody td:nth-child(3) {
  border-left: 2px solid rgba(255, 107, 53, 0.28);
}
.page-faq .faq-compare__note {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
  padding: 20px;
  background: var(--ink-mid);
  border-left: 4px solid var(--orange);
}
.page-faq .faq-compare__note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}
.page-faq .faq-compare__note .btn {
  align-self: flex-start;
}

/* ---------- 场景问答 ---------- */
.page-faq .faq-scenarios {
  background: var(--ink);
}
.page-faq .faq-split {
  display: grid;
  gap: 28px;
  margin-top: 8px;
}
.page-faq .faq-split__list {
  display: grid;
  gap: 14px;
}
.page-faq .faq-scene {
  padding: 20px 20px 18px;
  background: var(--ink-deep);
  border: 2px solid var(--ink-line);
  border-radius: var(--radius);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}
.page-faq .faq-scene:hover {
  border-color: var(--cyan);
  transform: translateX(3px);
}
.page-faq .faq-scene__idx {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}
.page-faq .faq-scene__title {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.45;
  color: var(--text);
}
.page-faq .faq-scene p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}
.page-faq .faq-scene__pick {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 13px;
  color: var(--cyan-soft);
}
.page-faq .faq-split__media {
  margin: 0;
  border: 2px solid var(--ink-line);
  background: var(--ink-deep);
}
.page-faq .faq-split__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 8 / 5;
}
.page-faq .faq-split__media .media__caption {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--text-dim);
  border-top: 1px solid var(--ink-line);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-questions {
  background: var(--ink-deep);
}
.page-faq .faq-list {
  display: grid;
  gap: 10px;
  margin-top: 8px;
}
.page-faq .faq-item {
  background: var(--ink-mid);
  border: 1px solid var(--ink-line);
  border-left: 4px solid var(--ink-line);
  border-radius: var(--radius);
  transition: border-color 0.22s var(--ease);
}
.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
  background: #0d4433;
}
.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__q {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
}
.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
}
.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--cyan);
  transition: transform 0.24s var(--ease);
}
.page-faq .faq-item__icon::after {
  transform: rotate(90deg);
}
.page-faq .faq-item[open] .faq-item__icon::after {
  transform: rotate(0deg);
}
.page-faq .faq-item__a {
  padding: 0 18px 18px;
}
.page-faq .faq-item__a p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
  border-top: 1px dashed var(--grid-line);
  padding-top: 14px;
}

/* ---------- 主题索引 ---------- */
.page-faq .faq-help {
  background:
    linear-gradient(180deg, var(--ink) 0%, var(--ink-mid) 100%);
}
.page-faq .faq-topics {
  display: grid;
  gap: 10px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-topic__link {
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-areas:
    "num name"
    "num desc";
  align-items: center;
  column-gap: 14px;
  row-gap: 2px;
  padding: 16px 18px;
  background: rgba(6, 26, 20, 0.55);
  border: 2px solid var(--ink-line);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}
.page-faq .faq-topic__link:hover,
.page-faq .faq-topic__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(0, 229, 195, 0.1);
}
.page-faq .faq-topic__num {
  grid-area: num;
  font-size: 15px;
  color: var(--orange-soft);
  letter-spacing: 0.08em;
}
.page-faq .faq-topic__name {
  grid-area: name;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.page-faq .faq-topic__desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact {
  background: var(--ink-deep);
  padding-bottom: 72px;
}
.page-faq .faq-contact__box {
  display: grid;
  gap: 24px;
  padding: 26px 20px;
  border: 3px solid var(--cyan);
  background:
    repeating-linear-gradient(
      135deg,
      rgba(0, 229, 195, 0.05) 0 8px,
      transparent 8px 16px
    ),
    var(--ink);
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-contact__kicker {
  display: block;
  margin-bottom: 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange);
}
.page-faq .faq-contact__intro p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}
.page-faq .faq-steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-step {
  padding: 16px;
  background: var(--ink-deep);
  border-left: 3px solid var(--ink-line);
}
.page-faq .faq-step__num {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-faq .faq-step__title {
  margin: 6px 0 8px;
  font-size: 16px;
  color: var(--text);
}
.page-faq .faq-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
  word-break: break-word;
}
.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding-top: 56px;
  }
  .page-faq .faq-jump {
    grid-template-columns: 1fr 1fr;
    column-gap: 24px;
  }
  .page-faq .faq-jump__link:nth-last-child(2) {
    border-bottom: 1px solid var(--faq-line-soft);
  }
  .page-faq .faq-split__list {
    grid-template-columns: 1fr 1fr;
  }
  .page-faq .faq-topics {
    grid-template-columns: 1fr 1fr;
  }
  .page-faq .faq-steps {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-faq .faq-contact__box {
    padding: 32px 28px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-hero {
    padding-top: 64px;
  }
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: end;
    gap: 40px;
    padding-bottom: 64px;
  }
  .page-faq .faq-hero__media {
    align-self: end;
  }
  .page-faq .section {
    padding: 76px 0;
  }
  .page-faq .faq-table {
    font-size: 15px;
  }
  .page-faq .faq-table th,
  .page-faq .faq-table td {
    padding: 16px 20px;
  }
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
    gap: 32px;
  }
  .page-faq .faq-split__media {
    position: sticky;
    top: var(--faq-sticky);
  }
  .page-faq .faq-topics {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  .page-faq .faq-topic__link {
    padding: 20px;
    height: 100%;
    align-content: start;
    grid-template-rows: auto auto auto;
    row-gap: 6px;
  }
  .page-faq .faq-topic__num {
    font-size: 20px;
  }
  .page-faq .faq-contact__box {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 28px 36px;
    padding: 40px 36px;
  }
  .page-faq .faq-contact__intro {
    grid-row: span 2;
  }
  .page-faq .faq-contact__actions {
    grid-column: 2;
  }
}

/* ---------- 窄屏表格横向滚动 ---------- */
@media (max-width: 719px) {
  .page-faq .faq-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .page-faq .faq-table {
    min-width: 560px;
  }
  .page-faq .faq-table thead th {
    position: static;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .faq-scene,
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after,
  .page-faq .faq-topic__link {
    transition: none;
  }
  .page-faq .faq-scene:hover {
    transform: none;
  }
}