.page-faq {
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .g-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 40px;
  border-bottom: 1px solid var(--line);
}

.page-faq .g-hero::after {
  content: "";
  position: absolute;
  top: 10px;
  right: 0;
  width: 148px;
  height: 148px;
  background-image: radial-gradient(var(--line) 1.6px, transparent 1.6px);
  background-size: 15px 15px;
  pointer-events: none;
  opacity: 0.85;
}

.page-faq .g-hero .breadcrumbs {
  position: relative;
  z-index: 1;
}

.page-faq .g-hero h1 {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  max-width: 15em;
  font-size: clamp(2rem, 7.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-faq .g-mark {
  color: var(--lime);
}

.page-faq .g-lede {
  position: relative;
  z-index: 1;
  margin: 16px 0 0;
  max-width: 34em;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

/* ---------- 三张结论卡 ---------- */
.page-faq .g-quick-wrap {
  padding: 32px 0 4px;
}

.page-faq .g-quick {
  display: grid;
  gap: 16px;
}

.page-faq .g-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, var(--step), var(--panel) 72%);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .g-card:hover {
  transform: translateY(-3px);
  border-color: var(--lime);
  box-shadow: 0 10px 26px rgba(6, 17, 15, 0.55);
}

.page-faq .g-card .chip {
  align-self: flex-start;
}

.page-faq .g-card-q {
  margin: 0;
  font-size: 1.03rem;
  line-height: 1.45;
  font-weight: 700;
  color: var(--white);
}

.page-faq .g-card-a {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-faq .g-card-link {
  margin-top: auto;
  align-self: flex-start;
}

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

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

.page-faq .g-quick-fig {
  aspect-ratio: 4 / 5;
}

.page-faq .g-split-fig {
  aspect-ratio: 3 / 2;
}

.page-faq .media-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 22px 16px 12px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--white);
  background: linear-gradient(transparent, rgba(6, 17, 15, 0.9));
}

/* ---------- 分组跳转 ---------- */
.page-faq .g-jump {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 18px 0 6px;
  scrollbar-width: none;
}

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

.page-faq .g-jump .chip {
  flex: 0 0 auto;
  white-space: nowrap;
}

.page-faq .g-jump .chip:hover {
  color: var(--lime);
  border-color: var(--lime);
}

/* ---------- 分组主体 ---------- */
.page-faq .g-body {
  padding: 20px 0 64px;
}

.page-faq .g-group {
  padding-top: 12px;
  scroll-margin-top: 24px;
}

.page-faq .g-group + .g-group {
  margin-top: 52px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.page-faq .g-group-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-faq .g-group-head .chapter-num {
  flex: 0 0 auto;
}

.page-faq .g-group-head .chapter-title {
  margin: 0;
  font-size: clamp(1.3rem, 4.2vw, 1.85rem);
  line-height: 1.28;
}

.page-faq .g-group-sub {
  margin: 12px 0 0;
  max-width: 34em;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.8;
}

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

.page-faq .g-group-sub a:hover {
  color: var(--lime-2);
}

/* ---------- 三步 ---------- */
.page-faq .g-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .g-step {
  position: relative;
  padding: 18px 18px 20px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
  border-radius: var(--radius-s) var(--radius-m) var(--radius-m) var(--radius-s);
  background: var(--panel);
}

.page-faq .g-step-num {
  display: block;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-faq .g-step h3 {
  margin: 8px 0 0;
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .g-step p {
  margin: 8px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 排查章节 ---------- */
.page-faq .g-split {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

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

.page-faq .g-check-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--panel);
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-faq .g-check-item label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
}

.page-faq .g-check-item input {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  accent-color: var(--lime);
  cursor: pointer;
}

.page-faq .g-check-item input:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-faq .g-check-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .g-check-text strong {
  font-size: 0.94rem;
  line-height: 1.5;
  font-weight: 700;
  color: var(--white);
}

.page-faq .g-check-text span {
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .g-check-item:has(input:checked) {
  border-color: var(--lime-2);
  background: rgba(155, 232, 43, 0.07);
}

.page-faq .g-check-item:has(input:checked) strong {
  color: var(--lime);
}

/* ---------- 折叠问答 ---------- */
.page-faq .g-qa-list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .g-qa {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--panel);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .g-qa[open] {
  border-color: var(--lime-2);
  box-shadow: inset 3px 0 0 var(--lime);
}

.page-faq .g-qa-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 0.97rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .g-qa-q::-webkit-details-marker {
  display: none;
}

.page-faq .g-qa-q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--lime);
}

.page-faq .g-qa[open] .g-qa-q::after {
  content: "–";
}

.page-faq .g-qa-q:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
  border-radius: var(--radius-m);
}

.page-faq .g-qa-a {
  padding: 0 18px 18px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.78;
}

.page-faq .g-qa-a p {
  margin: 0;
}

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

/* ---------- 联系卡 ---------- */
.page-faq .g-contact {
  display: grid;
  gap: 20px;
  margin-top: 22px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background:
    radial-gradient(circle at 92% 8%, rgba(95, 216, 245, 0.13), transparent 55%),
    linear-gradient(160deg, var(--step), var(--panel));
}

.page-faq .g-contact-kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--ice);
}

.page-faq .g-contact-title {
  margin: 10px 0 0;
  font-size: clamp(1.12rem, 3.4vw, 1.45rem);
  line-height: 1.35;
  color: var(--white);
}

.page-faq .g-contact-note {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .g-contact-list {
  margin: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .g-contact-list .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .g-contact-list .contact-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .g-contact-list .contact-key {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .g-contact-list .contact-val {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--white);
  word-break: break-all;
}

.page-faq .g-contact-list .contact-val--text {
  font-family: var(--sans);
  font-size: 0.88rem;
  line-height: 1.6;
}

.page-faq .copy-btn {
  flex: 0 0 auto;
  padding: 3px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--lime);
  font-family: var(--sans);
  font-size: 0.72rem;
  line-height: 1.6;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.page-faq .copy-btn:hover {
  border-color: var(--lime);
  background: rgba(200, 255, 61, 0.12);
}

.page-faq .copy-btn:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-faq .copy-btn[data-copied] {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-faq .g-hero {
    padding: 40px 0 56px;
  }

  .page-faq .g-hero::after {
    top: 24px;
    right: 24px;
    width: 220px;
    height: 220px;
    background-size: 18px 18px;
  }

  .page-faq .g-quick-wrap {
    padding-top: 44px;
  }

  .page-faq .g-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr)) 268px;
    gap: 24px;
    align-items: start;
    padding-bottom: 40px;
  }

  .page-faq .g-quick > .g-card:nth-child(2) {
    margin-top: 32px;
  }

  .page-faq .g-quick > .g-card:nth-child(3) {
    margin-top: 14px;
  }

  .page-faq .g-quick-fig {
    margin-top: 52px;
  }

  .page-faq .g-jump {
    padding: 4px 0 0;
  }

  .page-faq .g-body {
    padding: 36px 0 88px;
  }

  .page-faq .g-group + .g-group {
    margin-top: 72px;
    padding-top: 48px;
  }

  .page-faq .g-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .g-step:nth-child(2) {
    margin-top: 18px;
  }

  .page-faq .g-split {
    grid-template-columns: 5fr 7fr;
    gap: 28px;
    align-items: start;
  }

  .page-faq .g-contact {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding: 34px;
  }

  .page-faq .g-qa-q {
    padding: 17px 22px;
    font-size: 1rem;
  }

  .page-faq .g-qa-a {
    padding: 0 22px 20px;
  }
}

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

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