/* ===== 问答中心页面专属样式 ===== */
.page-faq {
  --faq-radius: 8px;
  --faq-index-w: 272px;
  --faq-gap: 28px;
  padding: 28px 0 72px;
  background:
    radial-gradient(820px 340px at 92% -4%, rgba(0, 200, 255, 0.10), transparent 58%),
    radial-gradient(560px 280px at -8% 40%, rgba(57, 255, 136, 0.05), transparent 58%),
    var(--bg-void);
  color: var(--white);
}

.page-faq .breadcrumb {
  margin-bottom: 26px;
}

/* —— 页头 —— */
.page-faq .faq-hero {
  display: grid;
  gap: 22px;
  padding: 10px 0 26px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-hero__kick {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-faq .faq-hero h1 {
  margin: 0 0 12px;
  font-family: var(--font-h);
  font-weight: 800;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__note {
  display: inline-block;
  transform: rotate(3deg) translateY(-6px);
  margin-left: 12px;
  padding: 3px 8px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--blue);
  border: 1px solid var(--grid);
  border-radius: 3px;
  background: rgba(0, 200, 255, 0.08);
}

.page-faq .faq-hero__sub {
  margin: 0 0 12px;
  font-family: var(--font-h);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--blue);
}

.page-faq .faq-hero__desc {
  max-width: 64ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-faq .faq-hero__meta {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  align-content: start;
  padding: 16px;
  background: linear-gradient(150deg, rgba(0, 200, 255, 0.10), transparent 55%), var(--bg-card);
  border: 1px solid var(--grid);
  border-radius: var(--faq-radius);
}

.page-faq .faq-hero__meta .card__tag {
  grid-column: 1 / -1;
}

.page-faq .faq-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-hero__stat + .faq-hero__stat {
  padding-left: 12px;
  border-left: 1px dashed rgba(0, 200, 255, 0.2);
}

.page-faq .faq-hero__stat .data-number {
  font-size: 32px;
  line-height: 1;
}

.page-faq .faq-hero__stat .data-label {
  font-size: 11px;
}

.page-faq .faq-hero__vnote {
  grid-column: 1 / -1;
  padding-top: 10px;
  border-top: 1px dashed rgba(0, 200, 255, 0.2);
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
}

/* —— 信任条 —— */
.page-faq .faq-trust {
  margin: 0 0 30px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid var(--grid);
  border-left: 3px solid var(--green);
  border-radius: var(--faq-radius);
}

/* —— 主布局 —— */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
}

/* —— 索引卡 —— */
.page-faq .faq-index {
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--grid);
  border-radius: var(--faq-radius);
}

.page-faq .faq-index__figure {
  display: none;
  margin: 0 0 16px;
  padding: 6px;
  border: 1px solid var(--grid);
  border-radius: var(--faq-radius);
}

.page-faq .faq-index__figure img {
  display: block;
  width: 100%;
  max-width: 200px;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 4px;
}

.page-faq .faq-index__label {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__list li {
  flex: none;
  scroll-snap-align: start;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  white-space: nowrap;
  text-decoration: none;
  font-family: var(--font-h);
  font-size: 13px;
  font-weight: 600;
  color: var(--gray);
  border: 1px solid var(--grid);
  border-radius: 6px;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--white);
  background: rgba(0, 200, 255, 0.08);
  border-color: rgba(0, 200, 255, 0.45);
}

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

/* —— 内容列 —— */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding: 26px 18px;
  background: rgba(17, 24, 39, 0.5);
  border: 1px solid var(--grid);
  border-radius: var(--faq-radius);
  transition: border-color 0.3s var(--ease);
}

.page-faq .faq-section + .faq-section {
  margin-top: 24px;
}

.page-faq .faq-section:target {
  border-color: rgba(0, 200, 255, 0.45);
}

.page-faq .faq-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  margin-bottom: 18px;
  padding-left: 12px;
  border-left: 3px solid var(--blue);
  transition: border-color 0.3s var(--ease);
}

.page-faq .faq-section:target .faq-section__head {
  border-left-color: var(--green);
}

.page-faq .faq-section__head h2 {
  margin: 0;
  font-family: var(--font-h);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
}

.page-faq .faq-section__head span {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
}

/* —— 手风琴 —— */
.page-faq .faq-accordion {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--bg-card);
  border: 1px solid var(--grid);
  border-radius: var(--faq-radius);
  overflow: hidden;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-item:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 200, 255, 0.35);
}

.page-faq .faq-item[open] {
  border-color: rgba(0, 200, 255, 0.42);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 14px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
  border-radius: var(--faq-radius);
}

.page-faq .faq-item__num {
  flex: none;
  font-family: var(--font-num);
  font-size: 12px;
  line-height: 1;
  color: var(--blue);
  padding: 5px 6px;
  background: rgba(0, 200, 255, 0.08);
  border: 1px solid var(--grid);
  border-radius: 4px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__num {
  color: var(--green);
  border-color: rgba(57, 255, 136, 0.35);
}

.page-faq .faq-item__q {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-h);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
}

.page-faq .faq-item__icon {
  flex: none;
  width: 8px;
  height: 8px;
  margin-right: 4px;
  border-right: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(45deg);
  transition: transform 0.24s var(--ease);
}

.page-faq .faq-item[open] .faq-item__icon {
  transform: rotate(225deg);
}

.page-faq .faq-item__a {
  margin: 0 14px 14px;
  padding: 12px 0 0;
  border-top: 1px dashed rgba(0, 200, 255, 0.2);
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.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__a a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 200, 255, 0.3);
}

/* —— 状态色块 —— */
.page-faq .faq-status {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-status li {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--white);
}

.page-faq .faq-status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
}

.page-faq .dot--blue {
  background: var(--blue);
}

.page-faq .dot--green {
  background: var(--green);
}

.page-faq .dot--yellow {
  background: var(--yellow);
}

.page-faq .dot--red {
  background: var(--red);
}

/* —— 时间轴 SVG —— */
.page-faq .faq-axis {
  display: block;
  width: 100%;
  max-width: 520px;
  height: auto;
  aspect-ratio: 520 / 34;
  margin-top: 12px;
}

.page-faq .faq-axis__line {
  stroke: rgba(0, 200, 255, 0.35);
  stroke-width: 2;
}

.page-faq .faq-axis__goal-line {
  stroke: var(--green);
  stroke-width: 2;
}

.page-faq .faq-axis__goal {
  fill: var(--green);
  stroke: var(--green);
  stroke-width: 2;
}

.page-faq .faq-axis__red-line {
  stroke: var(--red);
  stroke-width: 2;
}

.page-faq .faq-axis__label {
  font-family: var(--font-num);
  font-size: 9px;
  fill: var(--gray);
}

/* —— 同步示意图 —— */
.page-faq .faq-sync {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 12px;
  background: linear-gradient(135deg, rgba(57, 255, 136, 0.07), transparent 60%), var(--bg-card);
  border: 1px solid var(--grid);
  border-radius: var(--faq-radius);
}

.page-faq .faq-sync img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  aspect-ratio: 300 / 180;
  object-fit: cover;
  border: 1px solid var(--grid);
  border-radius: 4px;
}

.page-faq .faq-sync__caption {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: 0.05em;
  color: var(--gray);
}

/* —— 底部帮助卡 —— */
.page-faq .faq-help {
  display: grid;
  gap: 18px;
  margin-top: 28px;
  padding: 22px;
  background: linear-gradient(135deg, rgba(0, 200, 255, 0.12), transparent 52%), var(--bg-card);
  border: 1px solid var(--grid);
  border-left: 3px solid var(--blue);
  border-radius: var(--faq-radius);
}

.page-faq .faq-help h2 {
  margin: 8px 0 10px;
  font-family: var(--font-h);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.3;
}

.page-faq .faq-help__inner p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .faq-help__inner a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 200, 255, 0.3);
}

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

.page-faq .faq-help__meta {
  display: grid;
  gap: 6px;
  padding: 14px 0 0;
  border-top: 1px dashed rgba(0, 200, 255, 0.2);
}

.page-faq .faq-help__contact {
  font-family: var(--font-num);
  font-size: 15px;
  line-height: 1.5;
  color: var(--white);
  word-break: break-all;
}

.page-faq .faq-help__time {
  font-size: 12px;
  color: var(--gray);
}

/* —— 720px —— */
@media (min-width: 720px) {
  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-help__meta {
    padding: 0 0 0 18px;
    border-top: 0;
    border-left: 1px dashed rgba(0, 200, 255, 0.2);
  }
}

/* —— 768px —— */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: end;
  }

  .page-faq .faq-hero__stat .data-number {
    font-size: 38px;
  }

  .page-faq .faq-index__figure {
    display: block;
  }

  .page-faq .faq-index__list {
    flex-wrap: wrap;
    overflow: visible;
  }

  .page-faq .faq-section {
    padding: 28px 22px;
  }

  .page-faq .faq-sync {
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: center;
  }

  .page-faq .faq-sync img {
    max-width: 260px;
  }
}

/* —— 1024px —— */
@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    align-items: start;
    gap: 32px;
  }

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

  .page-faq .faq-index__list {
    flex-wrap: nowrap;
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__list a {
    white-space: normal;
    border: 1px solid transparent;
    border-left: 2px solid transparent;
    border-radius: 0 6px 6px 0;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    border-left-color: var(--blue);
    border-color: transparent;
    border-left-color: var(--blue);
  }
}