.page-faq {
  --faq-index-w: 268px;
  --faq-card-bg: rgba(21, 25, 27, 0.72);
  --faq-mark: rgba(47, 227, 200, 0.3);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-top: 6px;
  padding-bottom: clamp(34px, 5.5vw, 68px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -90px;
  right: -130px;
  width: 320px;
  height: 320px;
  background: linear-gradient(150deg, rgba(47, 227, 200, 0.15), rgba(255, 123, 46, 0.05));
  transform: rotate(26deg);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-hero__copy h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 5.6vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: 16em;
}

.page-faq .faq-hero__copy .lede {
  margin-top: 18px;
  max-width: 46ch;
  color: var(--bone-78);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 32px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__stat {
  padding: 16px 12px 18px;
  border-right: 1px solid var(--line);
}

.page-faq .faq-hero__stat:first-child {
  padding-left: 0;
}

.page-faq .faq-hero__stat:last-child {
  border-right: 0;
}

.page-faq .faq-hero__stat b {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.2vw, 28px);
  font-weight: 600;
  color: var(--cyan);
  line-height: 1.1;
}

.page-faq .faq-hero__stat--orange b {
  color: var(--orange);
}

.page-faq .faq-hero__stat span {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--stone);
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--charcoal);
  box-shadow: var(--paper-shadow);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .faq-hero__media .media__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--stone);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(34px, 5vw, 68px);
    align-items: end;
  }

  .page-faq .faq-hero__media {
    margin-bottom: 6px;
  }
}

/* ---------- 问答板 ---------- */
.page-faq .faq-board {
  padding-top: clamp(28px, 4vw, 52px);
}

.page-faq .faq-board__head h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 34px);
  letter-spacing: -0.02em;
  line-height: 1.22;
}

.page-faq .faq-board__head .lede {
  margin-top: 12px;
  max-width: 52ch;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: clamp(24px, 3.4vw, 40px);
}

/* 索引 */
.page-faq .faq-index {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(29, 59, 49, 0.55), rgba(21, 25, 27, 0.8));
  padding: 16px 14px 14px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 3px;
}

.page-faq .faq-index__btn {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin: 0;
  padding: 10px 10px;
  border: 0;
  border-left: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--bone-62);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  transition: background 0.22s var(--ease-out), color 0.22s var(--ease-out), border-color 0.22s var(--ease-out);
}

.page-faq .faq-index__btn:hover {
  background: rgba(47, 227, 200, 0.08);
  color: var(--bone);
}

.page-faq .faq-index__btn[aria-pressed="true"] {
  background: rgba(47, 227, 200, 0.13);
  border-left-color: var(--cyan);
  color: var(--bone);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-faq .faq-index__btn[aria-pressed="true"] .faq-index__num {
  color: var(--cyan);
}

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--stone);
}

.page-faq .faq-index__status {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--stone);
}

/* 卡片列表 */
.page-faq .faq-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-items: start;
}

.page-faq .faq-card {
  border: 1px solid var(--line);
  background: var(--faq-card-bg);
  transition: border-color 0.24s var(--ease-out), background 0.24s var(--ease-out);
}

.page-faq .faq-card:hover {
  border-color: rgba(47, 227, 200, 0.42);
  background: rgba(29, 59, 49, 0.5);
}

.page-faq .faq-card[open] {
  border-color: rgba(47, 227, 200, 0.5);
  background: rgba(29, 59, 49, 0.4);
}

.page-faq .faq-card__q {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 15px 46px 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-card__q::marker {
  content: "";
}

.page-faq .faq-card__q::after {
  content: "";
  position: absolute;
  right: 20px;
  top: 50%;
  width: 9px;
  height: 9px;
  margin-top: -6px;
  border-right: 1.6px solid var(--cyan);
  border-bottom: 1.6px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 0.26s var(--ease-out), border-color 0.26s var(--ease-out);
}

.page-faq .faq-card[open] .faq-card__q::after {
  transform: rotate(225deg);
  margin-top: -3px;
}

.page-faq .faq-card__title {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.5;
  color: var(--bone);
  transition: color 0.22s var(--ease-out);
}

.page-faq .faq-card[open] .faq-card__title {
  color: var(--cyan);
}

.page-faq .faq-card__cat {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--stone);
  border: 1px solid var(--line);
  padding: 2px 7px;
  white-space: nowrap;
}

.page-faq .faq-card__body {
  padding: 2px 20px 20px 16px;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--bone-78);
  animation: faq-open 0.28s var(--ease-out) both;
}

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

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

.page-faq .faq-card__body a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(47, 227, 200, 0.38);
  text-decoration: none;
}

.page-faq .faq-card__body a:hover {
  border-bottom-color: var(--cyan);
}

.page-faq .hl {
  color: var(--bone);
  background: linear-gradient(transparent 62%, var(--faq-mark) 62%);
  padding: 0 1px;
}

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

/* 步骤条 */
.page-faq .faq-steps {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps__item {
  border: 1px solid var(--line);
  border-top: 2px solid var(--moss);
  background: rgba(12, 30, 25, 0.62);
  padding: 12px 12px 14px;
  transition: border-top-color 0.22s var(--ease-out), background 0.22s var(--ease-out), transform 0.22s var(--ease-out);
}

.page-faq .faq-steps__item:hover {
  border-top-color: var(--orange);
  background: rgba(255, 123, 46, 0.08);
  transform: translateY(-3px);
}

.page-faq .faq-steps__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-steps__label {
  display: block;
  margin-top: 6px;
  font-weight: 700;
  font-size: 15px;
  color: var(--bone);
}

.page-faq .faq-steps__text {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--stone);
}

.page-faq .faq-card__media {
  margin: 16px 0 0;
  border: 1px solid var(--line);
  background: var(--charcoal);
  overflow: hidden;
}

.page-faq .faq-card__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 收口 ---------- */
.page-faq .faq-next {
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .faq-next__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  background: linear-gradient(120deg, rgba(29, 59, 49, 0.6), rgba(21, 25, 27, 0.85));
  padding: clamp(22px, 3.4vw, 40px);
}

.page-faq .faq-next__copy h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: -0.02em;
  line-height: 1.24;
}

.page-faq .faq-next__copy p {
  margin: 12px 0 0;
  max-width: 54ch;
  color: var(--bone-78);
  line-height: 1.75;
}

.page-faq .faq-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: flex-start;
}

@media (min-width: 860px) {
  .page-faq .faq-next__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 36px;
  }

  .page-faq .faq-next__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .page-faq .faq-next__actions .btn {
    text-align: center;
  }
}

/* ---------- 桌面双栏 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 56px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
}

@media (max-width: 560px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-hero__stat {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding-left: 0;
  }

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

  .page-faq .faq-card__title {
    font-size: 16px;
  }

  .page-faq .faq-card__q {
    padding-right: 40px;
  }
}
<<<END>>>