.page-faq {
  --faq-answer-rule: var(--electric-cyan-400);
  --faq-sticky-top: 132px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(36px, 8vw, 92px) 0 clamp(28px, 6vw, 60px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -14%;
  width: 62vw;
  height: 62vw;
  max-width: 640px;
  max-height: 640px;
  background: radial-gradient(circle at 58% 42%, rgba(55, 225, 211, 0.16), transparent 64%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 46vw;
  height: 46vw;
  max-width: 460px;
  max-height: 460px;
  background: radial-gradient(circle at 40% 60%, rgba(233, 185, 73, 0.12), transparent 66%);
  pointer-events: none;
  z-index: 0;
}

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

.page-faq .faq-hero__title {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 11vw, 108px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .faq-hero__line {
  display: block;
}

.page-faq .faq-hero__line--gold {
  color: var(--neon-gold-400);
  text-shadow: 0 0 32px rgba(233, 185, 73, 0.22);
}

.page-faq .faq-hero__lead {
  max-width: 34rem;
  margin: clamp(20px, 4vw, 34px) 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-dim);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(24px, 4vw, 38px) 0 0;
}

.page-faq .faq-hero__jump a {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .faq-hero__jump a:hover,
.page-faq .faq-hero__jump a:focus-visible {
  color: var(--electric-cyan-400);
  border-color: var(--electric-cyan-400);
  box-shadow: var(--glow-cyan);
}

/* ---------- 通用章节 ---------- */
.page-faq .faq-section {
  padding: clamp(38px, 7vw, 82px) 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-section:first-of-type {
  border-top: 0;
}

.page-faq .faq-section__head {
  max-width: 42rem;
  margin-bottom: clamp(24px, 4vw, 46px);
}

.page-faq .faq-section__head h2,
.page-faq .faq-entry__main h2,
.page-faq .faq-mobile__body h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 5.4vw, 44px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}

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

/* ---------- 三步 ---------- */
.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 22px 20px 24px;
  background: var(--indigo-950);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-faq .faq-step:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-faq .faq-step__num {
  font-family: var(--font-narrow);
  font-size: clamp(34px, 8vw, 48px);
  font-weight: 500;
  line-height: 0.9;
  color: var(--neon-gold-400);
}

.page-faq .faq-step__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-faq .faq-steps__figure {
  margin: clamp(30px, 5vw, 52px) 0 0;
}

/* ---------- 入口固定 ---------- */
.page-faq .faq-entry__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-entry__lead {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-dim);
}

.page-faq .faq-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 22px 0 0;
  padding: 14px 16px;
  background: rgba(14, 18, 32, 0.85);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
}

.page-faq .faq-copy__value {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--electric-cyan-400);
  word-break: break-all;
}

.page-faq .faq-entry__hint {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-400);
}

.page-faq .faq-entry__tips {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-entry__tips li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-entry__tips strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--neon-gold-400);
}

/* ---------- 检索技巧 ---------- */
.page-faq .faq-search__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 30px;
}

.page-faq .faq-search__item {
  padding-top: 20px;
  border-top: 2px solid var(--neon-gold-400);
}

.page-faq .faq-search__no {
  display: block;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--mist-400);
}

.page-faq .faq-search__item h3 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
}

.page-faq .faq-search__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-faq .faq-search__tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: clamp(30px, 5vw, 48px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-search__tools p {
  flex: 1 1 16rem;
  min-width: 0;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-400);
}

/* ---------- 手机查询 ---------- */
.page-faq .faq-mobile__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-mobile__figure {
  margin: 0;
  max-width: 22rem;
}

.page-faq .faq-mobile__lead {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-dim);
}

.page-faq .faq-mobile__steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-mobile__steps li {
  position: relative;
  padding: 0 0 0 50px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-faq .faq-mobile__no {
  position: absolute;
  left: 0;
  top: -2px;
  font-family: var(--font-narrow);
  font-size: 26px;
  line-height: 1.1;
  color: var(--electric-cyan-400);
}

.page-faq .faq-mobile__fail {
  margin: 30px 0 0;
  padding: 22px 20px 24px;
  background: linear-gradient(150deg, rgba(42, 10, 18, 0.9), rgba(14, 18, 32, 0.92));
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.page-faq .faq-mobile__fail h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

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

.page-faq .faq-mobile__fail li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-mobile__fail li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 6px;
  height: 1px;
  background: var(--brass-600);
}

/* ---------- 反馈 ---------- */
.page-faq .faq-feedback__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-feedback__item {
  padding: 22px 20px 24px;
  background: linear-gradient(160deg, rgba(42, 10, 18, 0.86), rgba(14, 18, 32, 0.92));
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-faq .faq-feedback__item:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-faq .faq-feedback__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--neon-gold-400);
}

.page-faq .faq-feedback__item h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}

.page-faq .faq-feedback__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-feedback__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin: clamp(28px, 5vw, 44px) 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-feedback__cta p {
  flex: 1 1 18rem;
  min-width: 0;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 常见问答 ---------- */
.page-faq .faq-answers__grid {
  display: grid;
  gap: 26px;
}

.page-faq .faq-answers__index ol {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-answers__index a {
  display: block;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .faq-answers__index a:hover,
.page-faq .faq-answers__index a:focus-visible {
  color: var(--electric-cyan-400);
  border-color: var(--electric-cyan-400);
  box-shadow: var(--glow-cyan);
}

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

.page-faq .accordion__item:target {
  box-shadow: inset 3px 0 0 var(--faq-answer-rule);
}

.page-faq .accordion__panel > div {
  border-left: 2px solid var(--faq-answer-rule);
  padding-left: 16px;
}

.page-faq .accordion__panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-faq .faq-answers__more {
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-faq .faq-answers__more a {
  color: var(--electric-cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 225, 211, 0.35);
}

.page-faq .faq-answers__more a:hover,
.page-faq .faq-answers__more a:focus-visible {
  border-bottom-color: var(--electric-cyan-400);
}

/* ---------- 图片容器 ---------- */
.page-faq .media-frame {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--indigo-950);
}

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

/* ---------- 中屏 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-feedback__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-search__list {
    gap: 34px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-faq .faq-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    padding-bottom: 30px;
  }

  .page-faq .faq-step {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-faq .faq-step:nth-child(2) {
    transform: translateY(26px);
  }

  .page-faq .faq-step:nth-child(2):hover {
    transform: translateY(24px);
  }

  .page-faq .faq-step:nth-child(3) {
    transform: translateY(8px);
  }

  .page-faq .faq-step:nth-child(3):hover {
    transform: translateY(6px);
  }

  .page-faq .faq-search__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 36px;
  }

  .page-faq .faq-search__item:nth-child(2) {
    margin-top: 30px;
  }

  .page-faq .faq-search__item:nth-child(3) {
    margin-top: 14px;
  }

  .page-faq .faq-entry__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-mobile__grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 58px;
    align-items: center;
  }

  .page-faq .faq-mobile__figure {
    max-width: none;
  }

  .page-faq .faq-feedback__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-answers__grid {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 58px;
    align-items: start;
  }

  .page-faq .faq-answers__index {
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-answers__index ol {
    display: block;
    padding: 0;
    overflow: visible;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-answers__index a {
    position: relative;
    padding: 9px 0 9px 17px;
    border: 0;
    border-radius: 0;
    font-size: 14px;
    line-height: 1.65;
    white-space: normal;
    box-shadow: none;
  }

  .page-faq .faq-answers__index a::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 50%;
    width: 3px;
    height: 0;
    background: var(--electric-cyan-400);
    transform: translateY(-50%);
    transition: height 0.2s var(--ease);
  }

  .page-faq .faq-answers__index a:hover,
  .page-faq .faq-answers__index a:focus-visible {
    color: var(--electric-cyan-400);
    box-shadow: none;
  }

  .page-faq .faq-answers__index a:hover::before,
  .page-faq .faq-answers__index a:focus-visible::before {
    height: 62%;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-hero__lead {
    font-size: 17px;
  }

  .page-faq .faq-section__head {
    max-width: 46rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-feedback__item {
    transition: none;
    transform: none;
  }

  .page-faq .faq-step:nth-child(2),
  .page-faq .faq-step:nth-child(3) {
    transform: none;
  }

  .page-faq .faq-step:nth-child(2):hover,
  .page-faq .faq-step:nth-child(3):hover {
    transform: none;
  }
}