.page-faq {
  --faq-line: var(--border-steel);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-faq .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(14px, 2.5vw, 26px) 0 clamp(8px, 2vw, 16px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(20px, 3.5vw, 44px);
  align-items: end;
}

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

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 42ch;
  color: var(--text-muted);
  font-size: var(--step-body);
  line-height: 1.78;
}

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

.page-faq .faq-hero__visual {
  position: relative;
  margin: 10px 0 0;
  padding: 3px;
  background: var(--clear-gradient);
  clip-path: polygon(0 9%, 100% 0, 100% 100%, 0 91%);
}

.page-faq .faq-hero__visual img {
  display: block;
  width: 100%;
  height: clamp(170px, 30vw, 300px);
  object-fit: cover;
  background: var(--panel-deep);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr);
  }
}

/* ---------- 数据带 ---------- */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: clamp(24px, 4vw, 40px) 0 0;
  border: 2px solid var(--faq-line);
  background: var(--faq-line);
}

.page-faq .faq-stat {
  background: var(--panel-dark);
  padding: 14px 16px;
}

.page-faq .faq-stat__value {
  display: block;
  margin: 0;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.1;
  color: var(--neon-green);
}

.page-faq .faq-stat__label {
  display: block;
  margin: 6px 0 0;
  font-size: var(--step-cap);
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.page-faq .faq-stat:nth-child(2) .faq-stat__value { color: var(--blue-soft); }
.page-faq .faq-stat:nth-child(3) .faq-stat__value { color: var(--score-yellow); }

@media (min-width: 720px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .faq-stat { padding: 18px 20px; }
}

/* ---------- 两栏骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(32px, 5vw, 60px);
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 214px minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }
}

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-index {
  border: 2px solid var(--faq-line);
  background: var(--panel-deep);
  padding: 14px 12px;
  box-shadow: var(--shadow-blue);
  background-image: linear-gradient(160deg, rgba(46, 123, 255, 0.14) 0%, rgba(46, 123, 255, 0) 62%);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
}

.page-faq .faq-index__list > li {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 12px;
  border: 2px solid var(--faq-line);
  border-left-width: 3px;
  background: var(--panel-dark);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 14px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.page-faq .faq-index__num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--score-yellow);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--score-yellow);
  border-color: var(--score-yellow);
  color: var(--bg-night);
}

.page-faq .faq-index__link:hover .faq-index__num,
.page-faq .faq-index__link:focus-visible .faq-index__num {
  color: var(--bg-night);
}

@media (min-width: 1000px) {
  .page-faq .faq-index {
    position: sticky;
    top: 24px;
    padding: 18px 14px;
  }
  .page-faq .faq-index__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }
  .page-faq .faq-index__list > li { flex: none; }
  .page-faq .faq-index__link {
    white-space: normal;
    border: 0;
    border-left: 3px solid transparent;
    padding: 9px 10px;
    background: transparent;
    font-size: 15px;
  }
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-block {
  margin-bottom: clamp(36px, 5vw, 62px);
  scroll-margin-top: 92px;
}

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

.page-faq .faq-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--electric-blue);
  margin-bottom: 18px;
}

.page-faq .faq-block__num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--score-yellow);
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-h2);
  line-height: 1.12;
  color: var(--text-primary);
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 16px;
}

.page-faq .faq-step {
  position: relative;
  border: 2px solid var(--faq-line);
  background: var(--panel-dark);
  padding: 52px 18px 20px;
  box-shadow: var(--shadow-blue);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-faq .faq-step__num {
  position: absolute;
  top: 12px;
  left: 18px;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  line-height: 1;
  color: var(--neon-green);
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: var(--step-h3);
  line-height: 1.25;
  color: var(--text-primary);
}

.page-faq .faq-step__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-muted);
}

.page-faq .faq-step__link {
  display: inline-block;
  font-size: 14px;
  color: var(--neon-green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-step__link:hover,
.page-faq .faq-step__link:focus-visible {
  border-bottom-color: var(--neon-green);
}

.page-faq .faq-step:hover {
  transform: translateY(-4px);
  border-color: var(--neon-green);
  box-shadow: 2px 2px 0 rgba(46, 123, 255, 0.35);
}

@media (min-width: 760px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-step:nth-child(2) { margin-top: 26px; }
  .page-faq .faq-step:nth-child(3) { margin-top: 52px; }
}

/* ---------- 折叠问答条目 ---------- */
.page-faq .faq-item {
  position: relative;
  border: 2px solid var(--faq-line);
  border-left-width: 3px;
  background: var(--panel-dark);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: -2px;
}

.page-faq .faq-item[open] {
  border-left-color: var(--neon-green);
  background: var(--panel-deep);
  z-index: 1;
}

.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 52px;
  padding: 15px 18px;
  font-size: var(--step-body);
  font-weight: 600;
  line-height: 1.55;
  color: var(--text-primary);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item > summary:hover {
  color: var(--neon-green);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 3px solid var(--neon-green);
  outline-offset: 2px;
}

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

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-left: auto;
  margin-top: 1px;
  border: 2px solid var(--faq-line);
  background: var(--panel-deep);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--neon-green);
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__mark::before {
  width: 10px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  width: 2px;
  height: 10px;
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-item__mark {
  border-color: var(--neon-green);
  background: var(--panel-dark);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-item__a {
  margin-left: 18px;
  padding: 0 20px 18px 16px;
  border-left: 2px solid var(--faq-line);
  color: var(--text-muted);
  font-size: 15.5px;
  line-height: 1.78;
}

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

.page-faq .faq-item__a p + p {
  margin-top: 8px;
}

.page-faq .faq-item__a a {
  color: var(--blue-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--neon-green);
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-open 0.22s var(--ease) both;
}

@keyframes faq-open {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 人工服务与联系方式 ---------- */
.page-faq .faq-service {
  display: grid;
  border: 3px solid var(--faq-line);
  background: var(--panel-dark);
  box-shadow: var(--shadow-flag);
  overflow: hidden;
}

.page-faq .faq-service__panel {
  padding: clamp(20px, 3vw, 32px);
  background-image: linear-gradient(150deg, rgba(46, 123, 255, 0.16) 0%, rgba(46, 123, 255, 0) 58%);
}

.page-faq .faq-service__label {
  margin: 0 0 8px;
  font-size: var(--step-cap);
  letter-spacing: 0.14em;
  color: var(--score-yellow);
}

.page-faq .faq-service__clock {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1;
  color: var(--neon-green);
}

.page-faq .faq-service__dash {
  font-size: 0.6em;
  color: var(--text-muted);
}

.page-faq .faq-service__hint {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-muted);
}

.page-faq .faq-contact {
  margin: 0;
  display: grid;
  gap: 2px;
  border: 2px solid var(--faq-line);
  background: var(--faq-line);
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 2px 14px;
  padding: 12px 14px;
  background: var(--panel-dark);
}

.page-faq .faq-contact__row dt {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.page-faq .faq-contact__row dd {
  margin: 0;
  font-size: 15px;
  color: var(--text-primary);
  word-break: break-word;
}

.page-faq .faq-service__visual {
  min-height: 220px;
}

.page-faq .faq-service__visual img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
}

@media (min-width: 560px) {
  .page-faq .faq-contact__row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-service {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }
  .page-faq .faq-step:hover {
    transform: none;
  }
  .page-faq .faq-hero__visual {
    clip-path: none;
  }
}