.page-faq {
  --faq-gap: clamp(20px, 3.6vw, 40px);
  --faq-radius: 26px;
  --faq-pad: clamp(18px, 3.2vw, 30px);
  color: var(--white);
  padding-bottom: clamp(44px, 7vw, 96px);
  overflow-x: clip;
}

.page-faq .breadcrumb {
  margin-top: 10px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(18px, 4vw, 40px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: var(--faq-gap);
  align-items: end;
}

.page-faq .faq-hero__head .eyebrow {
  display: inline-block;
  margin-bottom: 14px;
}

.page-faq h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8.4vw, 82px);
  line-height: 0.96;
  letter-spacing: -0.03em;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 46ch;
  color: var(--mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
}

.page-faq .faq-hero__board {
  position: relative;
  overflow: hidden;
  padding: var(--faq-pad);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(158deg, rgba(26, 48, 36, 0.9), rgba(7, 11, 9, 0.96));
}

.page-faq .faq-hero__board::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(215, 255, 62, 0.3), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero__board-title {
  position: relative;
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-faq .board-row {
  position: relative;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .board-row:last-of-type {
  border-bottom: 0;
}

.page-faq .board-row__k {
  font-size: 14px;
  color: var(--mist);
}

.page-faq .board-row__v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: var(--lime);
  white-space: nowrap;
}

.page-faq .faq-hero__board-note {
  position: relative;
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 场景胶囊 ---------- */
.page-faq .faq-scenes {
  margin-top: clamp(24px, 4vw, 40px);
}

.page-faq .faq-scenes__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-scene {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--panel);
  color: var(--white);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-scene:hover,
.page-faq .faq-scene:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  transform: translateY(-2px);
}

.page-faq .faq-scene__num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  padding-block: clamp(40px, 7vw, 84px);
  border-top: 1px solid var(--line);
  margin-top: clamp(34px, 6vw, 72px);
  scroll-margin-top: 96px;
}

.page-faq .faq-section:first-of-type {
  margin-top: clamp(34px, 6vw, 60px);
}

.page-faq .faq-section__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-section__num {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-faq .faq-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-faq .faq-section__note {
  margin: 0;
  max-width: 58ch;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 换设备 ---------- */
.page-faq .device-grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .device-figure {
  margin: 0;
}

.page-faq .device-body__callout {
  margin: 26px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--lime);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: var(--raise);
  font-size: 15px;
  line-height: 1.8;
  color: var(--white);
}

.page-faq .steps {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .steps__item:last-child {
  border-bottom: 0;
}

.page-faq .steps__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 700;
  color: var(--lime);
  padding-top: 4px;
}

.page-faq .steps__body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .steps__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .qa-group {
  margin-top: clamp(24px, 3.6vw, 36px);
  border-top: 1px solid var(--line);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  cursor: pointer;
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--white);
  list-style: none;
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa__q::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--orange);
  transition: transform 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .qa[open] .qa__q {
  color: var(--lime);
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
  color: var(--lime);
  transform: rotate(180deg);
}

.page-faq .qa__q:hover {
  color: var(--lime);
}

.page-faq .qa__a {
  padding: 0 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
}

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

.page-faq .qa__a a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__steps {
  margin: 0 0 12px;
  padding-left: 1.15em;
  display: grid;
  gap: 8px;
}

.page-faq .qa__steps li {
  padding-left: 4px;
}

.page-faq .qa__steps li::marker {
  color: var(--orange);
  font-family: var(--font-mono);
}

/* ---------- 提醒 ---------- */
.page-faq .alerts-grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .alerts-figure {
  margin: 0;
  order: -1;
}

.page-faq .alerts-body .qa-group {
  margin-top: 0;
}

/* ---------- 收藏与关注 ---------- */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 clamp(24px, 3.6vw, 36px);
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .faq-stat {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2.6vw, 24px);
  background: var(--panel);
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4.6vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-faq .faq-stat:nth-child(even) .faq-stat__num {
  color: var(--orange);
}

.page-faq .faq-stat__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 客服 ---------- */
.page-faq .faq-section--support {
  border-top: 0;
}

.page-faq .support-card {
  display: grid;
  gap: var(--faq-gap);
  padding: clamp(20px, 3.4vw, 38px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    linear-gradient(200deg, rgba(26, 48, 36, 0.95), rgba(14, 26, 20, 0.98) 55%, rgba(7, 11, 9, 1));
}

.page-faq .support-card__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .support-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .support-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
}

.page-faq .support-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
}

.page-faq .support-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .support-card__note a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .support-card__chips {
  display: grid;
  gap: 12px;
  align-content: start;
  padding-top: 4px;
}

.page-faq .support-card__hours {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .support-tail {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .support-tail a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .support-card {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.75fr);
  }

  .page-faq .faq-section__head {
    grid-template-columns: 68px minmax(0, 1fr);
    align-items: start;
    column-gap: 18px;
  }

  .page-faq .faq-section__num {
    padding-top: 12px;
    grid-row: 1 / span 2;
  }

  .page-faq .device-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-faq .alerts-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: start;
  }

  .page-faq .alerts-figure {
    order: 0;
  }

  .page-faq .qa-group {
    margin-top: 0;
  }

  .page-faq .device-grid .qa-group {
    margin-top: clamp(28px, 3.6vw, 40px);
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-scenes__list {
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-scene,
  .page-faq .qa__q,
  .page-faq .qa__q::after {
    transition: none;
  }

  .page-faq .faq-scene:hover {
    transform: none;
  }
}