/* ===========================================================
   page-faq : 问题排查
   作用域内所有选择器均以 .page-faq 开头
   =========================================================== */

.page-faq {
  --faq-gap: clamp(14px, 2.4vw, 22px);
  display: block;
  position: relative;
}

/* ---------- 面包屑区 ---------- */
.page-faq .faq-crumb {
  padding-top: clamp(14px, 3vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 4.6vw, 46px) 0 clamp(30px, 5vw, 54px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(70% 120% at 88% 0%, rgba(55, 232, 211, 0.11), transparent 62%),
    radial-gradient(52% 96% at -4% 108%, rgba(169, 123, 255, 0.1), transparent 60%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(34, 49, 74, 0.55) 0px,
    rgba(34, 49, 74, 0.55) 1px,
    transparent 1px,
    transparent 4px
  );
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 78%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.6vw, 26px);
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(28px, 4.4vw, 64px);
    align-items: end;
  }
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 14px;
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.07;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-wrap: balance;
}

.page-faq .faq-hero__title em {
  font-style: normal;
  color: var(--cyan);
}

.page-faq .faq-hero__right {
  display: grid;
  gap: 14px;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink);
  opacity: 0.86;
}

.page-faq .faq-hero__note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 分区通用 ---------- */
.page-faq .faq-sec {
  position: relative;
  padding: clamp(42px, 7vw, 84px) 0;
}

.page-faq .faq-sec--jade {
  background: linear-gradient(
    180deg,
    rgba(12, 42, 42, 0) 0%,
    rgba(12, 42, 42, 0.85) 12%,
    rgba(12, 42, 42, 0.85) 88%,
    rgba(12, 42, 42, 0) 100%
  );
}

.page-faq .faq-sec--violet {
  background: linear-gradient(
    180deg,
    rgba(21, 15, 51, 0) 0%,
    rgba(21, 15, 51, 0.9) 12%,
    rgba(21, 15, 51, 0.9) 88%,
    rgba(21, 15, 51, 0) 100%
  );
}

.page-faq .faq-sec--wine {
  background: linear-gradient(
    180deg,
    rgba(43, 13, 26, 0) 0%,
    rgba(43, 13, 26, 0.85) 12%,
    rgba(43, 13, 26, 0.85) 88%,
    rgba(43, 13, 26, 0) 100%
  );
}

.page-faq .faq-sec--contact {
  border-top: 1px solid var(--line);
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  align-items: start;
  margin-bottom: clamp(20px, 3.2vw, 34px);
}

.page-faq .faq-sec__idx {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(55, 232, 211, 0.42);
  padding-top: 4px;
}

.page-faq .faq-sec__head h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.3vw, 32px);
  line-height: 1.16;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-faq .faq-sec__sub {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 分类入口卡 ---------- */
.page-faq .faq-router {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 640px) {
  .page-faq .faq-router {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-router {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }
}

.page-faq .faq-router__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-height: 168px;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-top: 2px solid rgba(169, 123, 255, 0.62);
  background: linear-gradient(158deg, rgba(11, 18, 36, 0.96), rgba(4, 6, 13, 0.96));
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease),
    background 0.22s var(--ease);
}

.page-faq .faq-router__card:nth-child(2) {
  border-top-color: rgba(255, 139, 51, 0.62);
}

.page-faq .faq-router__card:nth-child(3) {
  border-top-color: rgba(55, 232, 211, 0.62);
}

.page-faq .faq-router__card:nth-child(4) {
  border-top-color: rgba(140, 154, 177, 0.6);
}

.page-faq .faq-router__card:hover,
.page-faq .faq-router__card:focus-visible {
  border-color: rgba(55, 232, 211, 0.55);
  background: linear-gradient(158deg, rgba(12, 42, 42, 0.95), rgba(4, 6, 13, 0.96));
  transform: translateY(-3px);
}

.page-faq .faq-router__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--purple);
}

.page-faq .faq-router__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
  color: var(--ink);
}

.page-faq .faq-router__desc {
  flex: 1 1 auto;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-router__go {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-router__go::after {
  content: " →";
}

/* ---------- 可展开问答组 ---------- */
.page-faq .qa-list {
  max-width: 920px;
  border-top: 1px solid var(--line);
}

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

.page-faq .qa-item__q {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 18px;
  gap: 8px 12px;
  align-items: start;
  padding: 17px 2px 17px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.62;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa-item__q:hover {
  color: var(--cyan);
}

.page-faq .qa-item[open] > .qa-item__q {
  color: var(--cyan);
}

.page-faq .qa-item__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}

.page-faq .qa-item[open] .qa-item__num {
  color: var(--orange);
}

.page-faq .qa-item__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  justify-self: end;
  color: currentColor;
}

.page-faq .qa-item__mark::before,
.page-faq .qa-item__mark::after {
  content: "";
  position: absolute;
  background: currentColor;
  opacity: 0.7;
}

.page-faq .qa-item__mark::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 1.5px;
}

.page-faq .qa-item__mark::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 1.5px;
  transition: transform 0.22s var(--ease);
}

.page-faq .qa-item[open] .qa-item__mark::after {
  transform: scaleY(0);
}

.page-faq .qa-item__a {
  max-width: 76ch;
  padding: 0 2px 22px 46px;
}

.page-faq .qa-item__verdict {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .qa-item__verdict strong {
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .qa-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-faq .qa-steps li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--ink);
  opacity: 0.9;
}

.page-faq .qa-steps__n {
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 2.1;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .qa-steps li a,
.page-faq .faq-outro__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 232, 211, 0.42);
}

.page-faq .qa-steps li a:hover,
.page-faq .faq-outro__text a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 章节配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(22px, 3.6vw, 36px) 0 0;
  max-width: 900px;
}

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

/* ---------- 反馈清单 ---------- */
.page-faq .faq-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  max-width: 820px;
}

.page-faq .faq-checklist li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid rgba(255, 139, 51, 0.72);
  background: rgba(11, 18, 36, 0.72);
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink);
  opacity: 0.9;
}

.page-faq .faq-checklist__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--purple);
  padding-top: 3px;
}

/* ---------- 收尾行动区 ---------- */
.page-faq .faq-outro {
  margin-top: clamp(22px, 3.4vw, 34px);
  padding: clamp(18px, 3vw, 26px);
  max-width: 820px;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(12, 42, 42, 0.62), rgba(4, 6, 13, 0.9));
}

.page-faq .faq-outro__text {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ink);
  opacity: 0.88;
}

.page-faq .faq-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-outro__actions .btn {
  text-decoration: none;
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 560px) {
  .page-faq .qa-item__q {
    grid-template-columns: 26px minmax(0, 1fr) 16px;
    gap: 6px 10px;
    font-size: 14.5px;
    padding: 15px 0;
  }

  .page-faq .qa-item__a {
    padding: 0 0 20px 0;
  }

  .page-faq .qa-steps li {
    grid-template-columns: 18px minmax(0, 1fr);
    gap: 8px;
  }

  .page-faq .faq-checklist li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-faq .faq-checklist__k {
    padding-top: 0;
  }

  .page-faq .faq-outro__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (min-width: 1180px) {
  .page-faq .qa-list {
    max-width: 960px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-router__card,
  .page-faq .qa-item__q,
  .page-faq .qa-item__mark::after,
  .page-faq .qa-item__num {
    transition: none;
  }

  .page-faq .faq-router__card:hover,
  .page-faq .faq-router__card:focus-visible {
    transform: none;
  }
}
<<<END>>>