.page-faq {
  --faq-card: #FBF6EC;
  --faq-line: rgba(36, 26, 20, 0.14);
  --faq-ink-soft: #4A382C;
  --faq-block-gap: clamp(44px, 6vw, 88px);
  background: var(--paper-cream);
  color: var(--espresso-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq .breadcrumbs {
  padding-top: clamp(16px, 3vw, 30px);
  font-size: 13px;
  color: var(--faq-ink-soft);
}

.page-faq .breadcrumbs a {
  color: var(--espresso-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  border-bottom-color: var(--volt-orange);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  padding: clamp(22px, 4vw, 44px) 0 clamp(36px, 5vw, 68px);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-editorial);
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin: 0.4em 0 0.5em;
  font-weight: 600;
}

.page-faq .faq-hero .lede {
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--faq-ink-soft);
  max-width: 34em;
  margin: 0;
}

.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

/* 首屏右侧深色索引面板 */
.page-faq .faq-panel {
  background: var(--void-navy);
  color: var(--paper-cream);
  border: 1px solid var(--frame-glow);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 30px);
}

.page-faq .faq-panel-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pulse-cyan);
  text-transform: uppercase;
  margin: 0 0 14px;
  font-weight: 500;
}

.page-faq .faq-jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-jump a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  color: var(--paper-cream);
  text-decoration: none;
  font-size: 15px;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--pulse-cyan);
  background: rgba(62, 224, 210, 0.08);
  outline: none;
}

.page-faq .faq-jump-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pulse-cyan);
  flex: none;
}

.page-faq .faq-jump-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist-gray);
  flex: none;
}

.page-faq .faq-panel-meter {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--frame-glow);
}

.page-faq .faq-panel-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--paper-cream);
  margin: 0 0 10px;
}

.page-faq .faq-panel .countdown-track {
  background: rgba(245, 238, 226, 0.16);
  border-radius: var(--radius-pill);
  height: 6px;
  overflow: hidden;
}

.page-faq .faq-panel .countdown-fill {
  height: 100%;
  background: var(--volt-orange);
  border-radius: var(--radius-pill);
}

.page-faq .faq-panel-note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-gray);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-block {
  padding: var(--faq-block-gap) 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-block-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: clamp(18px, 2.5vw, 28px);
}

.page-faq .faq-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--volt-orange);
  margin: 0 0 8px;
  text-transform: uppercase;
}

.page-faq .faq-block-head h2 {
  font-family: var(--font-editorial);
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.3;
  margin: 0;
  font-weight: 600;
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  position: relative;
  background: var(--faq-card);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--pulse-cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.26s ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(62, 224, 210, 0.6);
}

.page-faq .faq-item[open]::before {
  transform: scaleY(1);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  font-size: 17px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--espresso-ink);
  list-style: none;
}

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

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--volt-orange);
  outline-offset: -3px;
}

.page-faq .faq-mark {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.4;
  color: var(--volt-orange);
  flex: none;
  transition: transform 0.22s ease;
}

.page-faq .faq-item[open] .faq-mark {
  transform: rotate(45deg);
}

.page-faq .faq-a {
  padding: 0 18px 18px;
}

.page-faq .faq-a p {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
  max-width: 42em;
}

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

.page-faq .faq-a a {
  color: var(--espresso-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--volt-orange);
}

.page-faq .faq-a a:hover,
.page-faq .faq-a a:focus-visible {
  color: var(--volt-orange);
}

.page-faq .faq-inline-note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-inline-note a {
  color: var(--espresso-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-inline-note a:hover,
.page-faq .faq-inline-note a:focus-visible {
  border-bottom-color: var(--volt-orange);
}

/* ---------- 插图 ---------- */
.page-faq .faq-media {
  margin: 0 0 clamp(18px, 2.5vw, 26px);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--paper-deep);
}

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

.page-faq .faq-media-side {
  margin-bottom: 0;
}

/* ---------- 设备一致性示意 ---------- */
.page-faq .faq-device-figure {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 clamp(18px, 2.5vw, 24px);
}

.page-faq .faq-device {
  display: block;
  border-radius: 12px;
  background: var(--rail-steel);
  border: 1px solid var(--frame-glow);
  position: relative;
  flex: none;
}

.page-faq .faq-device::after {
  content: "";
  position: absolute;
  inset: 22% 14% auto 14%;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--pulse-cyan);
  box-shadow: 0 10px 0 rgba(62, 224, 210, 0.55), 0 20px 0 rgba(255, 106, 26, 0.6);
}

.page-faq .faq-device-phone {
  width: 46px;
  height: 78px;
}

.page-faq .faq-device-desktop {
  width: 118px;
  height: 74px;
}

.page-faq .faq-device-link {
  flex: 1;
  min-width: 20px;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--faq-line) 0 6px, transparent 6px 12px);
}

/* ---------- 回复时间条 ---------- */
.page-faq .faq-reply-bar {
  margin-top: clamp(30px, 5vw, 64px);
  background: var(--void-navy);
  color: var(--paper-cream);
  border-top: 1px solid var(--frame-glow);
  padding: clamp(26px, 4vw, 44px) 0;
}

.page-faq .faq-reply-inner {
  display: grid;
  gap: 8px;
}

.page-faq .faq-reply-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--pulse-cyan);
}

.page-faq .faq-reply-main {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 22px);
  line-height: 1.7;
  font-family: var(--font-display);
  font-weight: 600;
}

.page-faq .faq-reply-main a {
  color: var(--paper-cream);
  text-decoration: none;
  border-bottom: 2px solid var(--volt-orange);
}

.page-faq .faq-reply-main a:hover,
.page-faq .faq-reply-main a:focus-visible {
  color: var(--volt-orange);
}

.page-faq .faq-reply-sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-gray);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-list {
    gap: 12px;
  }

  .page-faq .faq-a {
    padding: 0 22px 20px;
  }

  .page-faq .faq-q {
    padding: 17px 22px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-faq .faq-hero-copy {
    padding-top: 10px;
  }

  .page-faq .faq-split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.7fr);
    gap: clamp(24px, 3.5vw, 44px);
    align-items: start;
  }

  .page-faq .faq-reply-inner {
    grid-template-columns: auto 1fr;
    align-items: center;
    column-gap: 28px;
  }

  .page-faq .faq-reply-kicker,
  .page-faq .faq-reply-main,
  .page-faq .faq-reply-sub {
    grid-column: auto;
  }

  .page-faq .faq-reply-sub {
    grid-column: 2;
  }
}

@media (max-width: 520px) {
  .page-faq .faq-device-desktop {
    width: 84px;
    height: 58px;
  }

  .page-faq .faq-jump a {
    font-size: 14px;
  }

  .page-faq .faq-reply-main {
    word-break: break-word;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item::before,
  .page-faq .faq-mark,
  .page-faq .faq-jump a {
    transition: none;
  }
}