.page-faq {
  --faq-line: rgba(243, 247, 238, .13);
  --faq-line-dark: rgba(7, 28, 23, .12);
  --faq-ink-soft: #2C3B33;
  background: var(--ink-900);
  color: var(--mist);
  font-family: var(--font-body);
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 3.6vw, 34px) 0 clamp(44px, 7vw, 92px);
  background:
    radial-gradient(112% 82% at 94% -4%, rgba(201, 255, 63, .13), transparent 58%),
    linear-gradient(168deg, var(--ink-850) 0%, var(--ink-900) 62%);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(114deg, rgba(255, 90, 54, .12) 0 16%, transparent 16.25%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -46%;
  width: 76%;
  height: 110%;
  border-radius: 50%;
  border: 1px solid rgba(201, 255, 63, .16);
  box-shadow: 0 0 0 60px rgba(201, 255, 63, .03), 0 0 0 130px rgba(201, 255, 63, .02);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  margin-top: clamp(18px, 3vw, 34px);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(40px, 11.5vw, 96px);
  line-height: .94;
  letter-spacing: -.035em;
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  max-width: 34ch;
  margin: 18px 0 0;
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.85;
  color: var(--mist-dim);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--faq-line);
  font-size: 13px;
  color: var(--gray);
}

.page-faq .faq-hero__meta .mono {
  display: inline-block;
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--lime);
}

/* ============ 图片容器 ============ */
.page-faq .faq-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-l);
  background: var(--ink-800);
  border: 1px solid var(--faq-line);
}

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

.page-faq .faq-figure__cap {
  padding: 12px 18px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist-dim);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-figure--wide {
  margin-bottom: clamp(24px, 4vw, 38px);
}

/* ============ 短卡目录 ============ */
.page-faq .faq-topics {
  padding: clamp(46px, 7vw, 88px) 0 clamp(52px, 7vw, 92px);
  background: var(--mist);
  color: var(--ink-900);
}

.page-faq .faq-topics__head {
  max-width: 620px;
}

.page-faq .faq-topics h2 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 5.4vw, 52px);
  line-height: 1;
  letter-spacing: -.03em;
}

.page-faq .faq-topics__lead {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: #47564E;
}

.page-faq .faq-filter {
  position: sticky;
  top: var(--bar-h);
  z-index: 6;
  display: flex;
  gap: 8px;
  margin: 22px 0 18px;
  padding: 12px 0;
  overflow-x: auto;
  background: rgba(243, 247, 238, .95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--faq-line-dark);
  scrollbar-width: none;
}

.page-faq .faq-filter::-webkit-scrollbar {
  display: none;
}

.page-faq .filter-btn {
  flex: 0 0 auto;
  padding: 9px 17px;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-900);
  background: transparent;
  border: 1px solid rgba(7, 28, 23, .18);
  border-radius: var(--radius-pill);
  cursor: pointer;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}

.page-faq .filter-btn:hover {
  border-color: var(--ink-900);
}

.page-faq .filter-btn[aria-pressed="true"] {
  color: var(--lime);
  background: var(--ink-900);
  border-color: var(--ink-900);
}

.page-faq .faq-cards {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-card {
  display: grid;
  gap: 8px;
  padding: 17px 18px 15px;
  background: #FFFFFF;
  border: 1px solid rgba(7, 28, 23, .1);
  border-radius: var(--radius-m);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.page-faq .faq-card:hover {
  transform: translateY(-2px);
  border-color: rgba(201, 255, 63, .9);
  box-shadow: 0 14px 30px -22px rgba(7, 28, 23, .7);
}

.page-faq .faq-card__top {
  display: flex;
  align-items: center;
  gap: 9px;
}

.page-faq .faq-card__num {
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--lime);
  background: var(--ink-900);
  border-radius: 6px;
}

.page-faq .faq-card__scene {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: #6C7C72;
}

.page-faq .faq-card__q {
  margin: 2px 0 0;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-faq .faq-card__a {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #47564E;
}

.page-faq .faq-card__more {
  justify-self: start;
  margin-top: 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 2px solid var(--lime);
  padding-bottom: 2px;
}

.page-faq .faq-card__more:hover {
  color: #0B241E;
  border-bottom-color: var(--orange);
}

.page-faq .filter-empty {
  display: none;
  margin: 22px 0 0;
  font-size: 14px;
  color: #5A6A61;
}

.page-faq .filter-empty[data-empty] {
  display: block;
}

/* ============ 章节通用 ============ */
.page-faq .faq-block {
  position: relative;
  padding: clamp(48px, 7vw, 96px) 0;
  background: var(--ink-900);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-block--alt {
  background: var(--ink-800);
}

.page-faq .faq-block--light {
  background: var(--mist);
  color: var(--ink-900);
  border-top-color: var(--faq-line-dark);
}

.page-faq .faq-block__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-block__num {
  display: inline-block;
  padding-top: 7px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--lime);
  border-top: 2px solid var(--lime);
}

.page-faq .faq-block--light .faq-block__num {
  color: #5B6E2C;
  border-top-color: #5B6E2C;
}

.page-faq .faq-block__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 44px);
  line-height: 1.06;
  letter-spacing: -.03em;
  text-wrap: balance;
}

.page-faq .faq-block__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-dim);
}

.page-faq .faq-block--light .faq-block__lead {
  color: #47564E;
}

.page-faq .faq-block__tail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin: 28px 0 0;
}

.page-faq .faq-block__tail-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 2px solid var(--lime);
  padding-bottom: 2px;
}

.page-faq .faq-block--light .faq-block__tail-link {
  color: var(--ink-900);
}

.page-faq .faq-block__tail-link:hover {
  border-bottom-color: var(--orange);
}

/* ============ 步骤 ============ */
.page-faq .steps {
  display: grid;
  gap: 16px;
  margin: 0 0 clamp(24px, 4vw, 34px);
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .steps__item {
  position: relative;
  padding-left: 46px;
}

.page-faq .steps__item::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--lime);
  border: 1px solid var(--hair-lime);
  border-radius: var(--radius-pill);
  background: rgba(201, 255, 63, .07);
}

.page-faq .steps__title {
  margin: 0 0 5px;
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}

.page-faq .steps__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist-dim);
}

/* ============ 偏好清单 ============ */
.page-faq .prefs {
  display: grid;
  gap: 1px;
  margin: 0 0 clamp(24px, 4vw, 34px);
  padding: 0;
  list-style: none;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-faq .prefs__item {
  padding: 16px 18px;
  background: var(--ink-850);
}

.page-faq .prefs__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--lime);
}

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

/* ============ 记分牌 ============ */
.page-faq .scoreboard {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-bottom: clamp(24px, 4vw, 34px);
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-faq .scoreboard__cell {
  padding: 18px 16px;
  background: var(--ink-850);
}

.page-faq .scoreboard__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 38px);
  line-height: 1;
  color: var(--lime);
}

.page-faq .scoreboard__label {
  display: block;
  margin-top: 9px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--mist-dim);
}

/* ============ 反馈类型 ============ */
.page-faq .fb-types {
  display: grid;
  gap: 12px;
  margin: 0 0 clamp(24px, 4vw, 34px);
  padding: 0;
  list-style: none;
}

.page-faq .fb-type {
  padding: 16px 18px 15px;
  background: #FFFFFF;
  border: 1px solid rgba(7, 28, 23, .1);
  border-top: 3px solid var(--orange);
  border-radius: var(--radius-m);
}

.page-faq .fb-type:nth-child(2) {
  border-top-color: var(--teal);
}

.page-faq .fb-type:nth-child(3) {
  border-top-color: var(--gold);
}

.page-faq .fb-type__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-faq .fb-type__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #47564E;
}

/* ============ 手风琴 ============ */
.page-faq .faq-acc-group {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-block--light .faq-acc-group {
  border-top-color: var(--faq-line-dark);
}

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

.page-faq .faq-block--light .acc {
  border-bottom-color: var(--faq-line-dark);
}

.page-faq .acc__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0;
  font-size: clamp(15.5px, 2vw, 18px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-block--light .acc__q {
  color: var(--ink-900);
}

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

.page-faq .acc__q::before {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: .45em;
  border-radius: 2px;
  background: var(--lime);
}

.page-faq .acc__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lime);
}

.page-faq .faq-block--light .acc__q::after {
  color: #5B6E2C;
}

.page-faq .acc[open] .acc__q::after {
  content: "\2212";
}

.page-faq .acc__a {
  padding: 0 0 18px 21px;
}

.page-faq .acc__a p {
  margin: 0;
  max-width: 48ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist-dim);
}

.page-faq .faq-block--light .acc__a p {
  color: var(--faq-ink-soft);
}

/* ============ 联系 ============ */
.page-faq .faq-contact {
  margin-top: clamp(24px, 4vw, 34px);
  padding: 20px 18px;
  background: rgba(201, 255, 63, .05);
  border: 1px solid var(--hair-lime);
  border-radius: var(--radius-m);
}

.page-faq .faq-contact__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gray);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-contact__mail {
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.2vw, 17px);
  color: var(--lime);
  word-break: break-all;
}

.page-faq .faq-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--hair-lime);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background .18s ease, color .18s ease;
}

.page-faq .faq-copy:hover {
  background: var(--lime);
  color: var(--ink-900);
}

.page-faq .faq-copy__hint {
  display: none;
  font-weight: 700;
  color: var(--lime);
}

.page-faq .faq-copy.is-copied .faq-copy__hint,
.page-faq .faq-copy[data-copied] .faq-copy__hint {
  display: inline;
}

.page-faq .faq-copy.is-copied .faq-copy__text,
.page-faq .faq-copy[data-copied] .faq-copy__text {
  display: none;
}

.page-faq .faq-contact__note {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist-dim);
}

.page-faq .faq-contact__note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--hair-lime);
}

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

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-faq .faq-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .page-faq .prefs {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .fb-types {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .scoreboard {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.06fr .94fr;
    align-items: center;
  }

  .page-faq .faq-hero__media .media__img {
    height: clamp(320px, 38vw, 470px);
  }

  .page-faq .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-faq .steps__item {
    padding-left: 0;
    padding-top: 46px;
  }

  .page-faq .steps__item::before {
    top: 0;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-filter {
    top: 0;
    margin: 28px 0 22px;
  }

  .page-faq .faq-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-block__inner {
    grid-template-columns: minmax(230px, 33%) 1fr;
    align-items: start;
  }

  .page-faq .faq-block__head {
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-block__lead {
    max-width: 30ch;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-hero h1 {
    font-size: clamp(72px, 8vw, 104px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .filter-btn,
  .page-faq .faq-copy {
    transition: none;
  }

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