.page-faq {
  background: var(--bg-cloud);
  color: var(--bg-deep);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---------- 首屏 Hero ---------- */
.page-faq__hero {
  background:
    radial-gradient(circle at 82% 18%, rgba(57, 255, 20, 0.16), transparent 32%),
    linear-gradient(115deg, var(--bg-ink) 0%, var(--bg-deep) 56%, #101D36 100%);
  color: var(--white);
  position: relative;
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  right: -2.5rem;
  top: 0;
  bottom: 0;
  width: 6rem;
  background: linear-gradient(180deg, transparent 0%, rgba(57, 255, 20, 0.22) 50%, transparent 100%);
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-faq__hero-grid {
  display: grid;
  gap: 1.75rem;
}

.page-faq__title {
  margin-top: 0.6rem;
}

.page-faq__hero-copy .lead {
  color: rgba(255, 255, 255, 0.82);
  max-width: 44rem;
  line-height: 1.8;
  margin-top: 1.2rem;
  font-size: 1rem;
}

.page-faq__hero-strip {
  margin-top: 1.75rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.page-faq__hero-aside {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.page-faq__hero .btn--ghost {
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
  background: transparent;
}

.page-faq__hero .btn--ghost:hover,
.page-faq__hero .btn--ghost:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
}

.page-faq__hero-note {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.58);
  letter-spacing: 0.02em;
}

/* ---------- 通用章节头部 ---------- */
.page-faq__section-head {
  margin-bottom: 2rem;
}

.page-faq__section-title {
  font-family: var(--font-display);
  font-size: 1.9rem;
  line-height: 1.18;
  margin: 0.35rem 0 0.6rem;
}

.page-faq__section-desc {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.7;
  max-width: 40rem;
}

/* ---------- 快速开始 ---------- */
.page-faq__quickstart {
  background: transparent;
}

.page-faq__quick-grid {
  display: grid;
  gap: 1.75rem;
}

.page-faq__steps {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-faq__step {
  position: relative;
  padding: 1.4rem 1.35rem 1.4rem 4.2rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(11, 21, 38, 0.04);
}

.page-faq__step-num {
  position: absolute;
  left: 1.2rem;
  top: 1.25rem;
  width: 2.1rem;
  height: 2.1rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--bg-ink);
  background: var(--neon);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 78% 100%, 0 100%);
}

.page-faq__step-title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  letter-spacing: 0.01em;
  margin-bottom: 0.45rem;
}

.page-faq__step p {
  color: #42506A;
  line-height: 1.7;
  font-size: 0.92rem;
  margin: 0;
}

.page-faq__quick-link {
  justify-self: start;
  margin-top: 0.25rem;
}

.page-faq__quick-figure {
  margin: 0;
}

/* ---------- FAQ 主区 ---------- */
.page-faq__main {
  background: var(--white);
}

.page-faq__layout {
  display: grid;
  gap: 1.5rem;
}

.page-faq__index ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-faq__index a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.82rem;
  background: var(--bg-cloud);
  color: var(--bg-deep);
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.page-faq__index a::before {
  content: "";
  width: 0.38rem;
  height: 0.38rem;
  background: var(--orange);
  clip-path: polygon(0 50%, 100% 0, 100% 100%);
  flex: 0 0 auto;
}

.page-faq__index a:hover,
.page-faq__index a:focus-visible {
  border-color: var(--bg-deep);
  background: var(--bg-deep);
  color: var(--white);
}

.page-faq__answers {
  display: grid;
  gap: 1.5rem;
}

.page-faq__category {
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}

.page-faq__cat-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 1rem;
}

.page-faq__cat-title::before {
  content: "";
  width: 0.65rem;
  height: 0.65rem;
  flex: 0 0 auto;
  background: var(--orange);
  clip-path: polygon(0 50%, 100% 0, 100% 100%);
}

.page-faq__item {
  background: var(--bg-cloud);
  border-radius: 0 var(--radius) var(--radius) 0;
  border-left: 3px solid var(--neon);
  margin-bottom: 0.8rem;
}

.page-faq__item summary {
  list-style: none;
  position: relative;
  padding: 1rem 3rem 1rem 1.1rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--bg-deep);
  line-height: 1.5;
  transition: background 0.2s;
}

.page-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-faq__item summary::after {
  content: "+";
  position: absolute;
  right: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--orange);
  transition: transform 0.2s;
}

.page-faq__item[open] summary::after {
  content: "−";
}

.page-faq__item summary:hover,
.page-faq__item summary:focus-visible {
  background: rgba(11, 21, 38, 0.04);
}

.page-faq__answer {
  padding: 0 1.1rem 1.05rem;
  color: #42506A;
  line-height: 1.75;
  font-size: 0.9rem;
}

.page-faq__answer p {
  margin: 0;
}

.page-faq__answer a {
  color: var(--bg-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--neon);
}

/* ---------- 检索词专题 ---------- */
.page-faq__keyword {
  background:
    linear-gradient(120deg, var(--bg-ink) 0%, var(--bg-deep) 70%, #101D36 100%);
  color: var(--white);
}

.page-faq__keyword-title {
  font-family: var(--font-display);
  font-size: 1.65rem;
  line-height: 1.25;
  margin: 0.45rem 0 0.8rem;
}

.page-faq__keyword-desc {
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.75;
  max-width: 44rem;
  font-size: 0.95rem;
}

.page-faq__keyword-panel {
  margin-top: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.06);
}

.page-faq__keyword-panel .data-panel__head {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ice);
}

.page-faq__keyword-panel .data-panel__row {
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.page-faq__keyword-note {
  margin-top: 1.1rem;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- 联系支持 ---------- */
.page-faq__contact {
  background: transparent;
}

.page-faq__contact-grid {
  display: grid;
  gap: 1.75rem;
}

.page-faq__contact-info .contact-list {
  margin: 0 0 1.4rem;
}

.page-faq__contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-faq__contact-note {
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.6;
}

.page-faq__contact-figure {
  margin: 0;
}

.page-faq__trust {
  margin-top: 2.5rem;
}

/* ---------- 平板断点 ---------- */
@media (min-width: 768px) {
  .page-faq__quick-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-faq__contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-faq__hero-note {
    width: auto;
  }
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 1024px) {
  .page-faq__hero-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 3rem;
  }

  .page-faq__hero-aside {
    justify-content: flex-end;
    max-width: 14rem;
  }

  .page-faq__section-title {
    font-size: 2.25rem;
  }

  .page-faq__layout {
    grid-template-columns: 17rem minmax(0, 1fr);
    align-items: start;
    gap: 2.5rem;
  }

  .page-faq__index {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
  }

  .page-faq__index ul {
    display: grid;
    gap: 0.4rem;
    border-left: 1px solid var(--line);
    padding-left: 1rem;
  }

  .page-faq__index a {
    display: flex;
    padding: 0.55rem 0.75rem;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--muted);
    font-size: 0.88rem;
  }

  .page-faq__index a::before {
    background: var(--neon);
  }

  .page-faq__index a:hover,
  .page-faq__index a:focus-visible {
    background: transparent;
    color: var(--bg-deep);
    border-color: transparent;
  }

  .page-faq__category {
    padding-top: 2.25rem;
  }

  .page-faq__keyword-title {
    font-size: 2.25rem;
  }
}