.page-faq {
  --faq-radius: 26px 16px 30px 18px;
  --faq-hair: rgba(34, 48, 76, 0.72);
  --faq-hair-strong: rgba(47, 227, 210, 0.24);
  display: block;
}

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

/* ---------- 首屏上下文 ---------- */
.page-faq .faq-head {
  position: relative;
  padding-block: 40px 36px;
  overflow: hidden;
}

.page-faq .faq-head::before {
  content: "";
  position: absolute;
  top: -180px;
  right: -120px;
  width: 420px;
  height: 420px;
  border-radius: 52% 48% 58% 42%;
  background: radial-gradient(circle at 35% 35%, rgba(255, 122, 47, 0.2), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-head::after {
  content: "";
  position: absolute;
  left: -80px;
  bottom: -140px;
  width: 320px;
  height: 320px;
  border-radius: 46% 54% 40% 60%;
  background: radial-gradient(circle at 60% 40%, rgba(47, 227, 210, 0.14), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-head > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-title {
  margin: 12px 0 16px;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  max-width: 18em;
}

.page-faq .faq-head__meta {
  list-style: none;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
}

.page-faq .faq-head__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--gray);
}

.page-faq .faq-head__meta .data-num {
  font-size: 19px;
  color: var(--cyan);
}

/* ---------- 三步上手 ---------- */
.page-faq .step-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .step-card {
  position: relative;
  overflow: hidden;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: linear-gradient(158deg, rgba(19, 28, 49, 0.94), rgba(11, 18, 32, 0.86));
}

.page-faq .step-card::after {
  content: "";
  position: absolute;
  right: -46px;
  bottom: -54px;
  width: 140px;
  height: 140px;
  border-radius: 58% 42% 46% 54%;
  background: radial-gradient(circle at 40% 40%, rgba(47, 227, 210, 0.16), transparent 72%);
  pointer-events: none;
}

.page-faq .step-card > * {
  position: relative;
  z-index: 1;
}

.page-faq .step-card__no {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-faq .step-card__title {
  margin: 12px 0 10px;
  font-size: 20px;
  line-height: 1.35;
  color: var(--white);
}

.page-faq .step-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--gray);
}

/* ---------- 入口地图 ---------- */
.page-faq .entry-map {
  display: grid;
  gap: 20px;
}

.page-faq .entry-map__media {
  margin: 0;
  border-radius: var(--faq-radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-faq .entry-map__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .entry-nodes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .entry-node {
  position: relative;
  padding: 2px 0 2px 20px;
  border-left: 1px solid var(--line);
}

.page-faq .entry-node::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(47, 227, 210, 0.12);
}

.page-faq .entry-node:nth-child(2)::before {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 47, 0.12);
}

.page-faq .entry-node:nth-child(3)::before {
  background: var(--cyan-soft);
  box-shadow: 0 0 0 4px rgba(155, 244, 233, 0.1);
}

.page-faq .entry-node__idx {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gray);
}

.page-faq .entry-node__title {
  margin: 8px 0 8px;
  font-size: 18px;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .entry-node__path {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--gray);
}

.page-faq .entry-node__path a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-hair-strong);
}

.page-faq .entry-node__path a:hover,
.page-faq .entry-node__path a:focus-visible {
  color: var(--cyan-soft);
}

/* ---------- 问题分组 ---------- */
.page-faq .qa-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 30px;
}

.page-faq .qa-jump a {
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--gray);
  text-decoration: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .qa-jump a:hover,
.page-faq .qa-jump a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .qa-group {
  margin-bottom: 36px;
  scroll-margin-top: 96px;
}

.page-faq .qa-group:last-child {
  margin-bottom: 0;
}

.page-faq .qa-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-group__idx {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-faq .qa-group__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .qa-list .qa-fold {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .qa-list .qa-fold:nth-of-type(2n) {
  border-bottom-color: var(--faq-hair-strong);
}

.page-faq .qa-fold > summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  line-height: 1.6;
  color: var(--white);
  transition: color 160ms var(--ease);
}

.page-faq .qa-fold > summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa-fold > summary:hover,
.page-faq .qa-fold > summary:focus-visible {
  color: var(--cyan);
}

.page-faq .qa-fold__no {
  flex: 0 0 auto;
  min-width: 2.2em;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--cyan);
}

.page-faq .qa-fold[open] > summary .qa-fold__no {
  color: var(--orange);
}

.page-faq .qa-fold__mark {
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1;
  color: var(--gray);
}

.page-faq .qa-fold__mark::after {
  content: "+";
}

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

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

.page-faq .qa-fold__body {
  padding: 0 2px 20px;
}

.page-faq .qa-fold__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
}

.page-faq .qa-fold__body p:last-child {
  margin-bottom: 0;
}

.page-faq .qa-fold__body strong {
  color: var(--white);
  font-weight: 600;
}

/* ---------- 显示与加载排查 ---------- */
.page-faq .fix-grid {
  display: grid;
  gap: 14px;
}

.page-faq .fix-item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px 26px 16px 28px;
  background: linear-gradient(140deg, rgba(11, 18, 32, 0.88), rgba(5, 7, 15, 0.62));
}

.page-faq .fix-item__step {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-soft);
}

.page-faq .fix-item h3 {
  margin: 10px 0 8px;
  font-size: 17px;
  line-height: 1.45;
  color: var(--white);
}

.page-faq .fix-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--gray);
}

/* ---------- 反馈通道 ---------- */
.page-faq .feedback-grid {
  display: grid;
  gap: 16px;
}

.page-faq .feedback-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: rgba(19, 28, 49, 0.68);
}

.page-faq .feedback-card h3 {
  margin: 0 0 12px;
  font-size: 18px;
  color: var(--white);
}

.page-faq .feedback-card p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--gray);
}

.page-faq .feedback-card p:last-child {
  margin-bottom: 0;
}

.page-faq .feedback-card a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-hair-strong);
}

.page-faq .feedback-card a:hover,
.page-faq .feedback-card a:focus-visible {
  color: var(--cyan-soft);
}

.page-faq .feedback-card__hint {
  padding-top: 10px;
  border-top: 1px solid var(--faq-hair);
  font-family: var(--mono);
  font-size: 12.5px !important;
  letter-spacing: 0.06em;
  color: var(--gray);
}

.page-faq .contact-line {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--cyan);
  word-break: break-all;
}

/* ---------- 延伸阅读与收尾图 ---------- */
.page-faq .more-links {
  list-style: none;
  margin: 0 0 34px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .more-links a {
  display: block;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 20px 14px 22px 16px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--white);
  text-decoration: none;
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-faq .more-links a:hover,
.page-faq .more-links a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .more-links span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .faq-outro {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .faq-outro img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .step-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .fix-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .more-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .qa-fold__body {
    padding-left: 52px;
    max-width: 68ch;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-head {
    padding-block: 56px 48px;
  }

  .page-faq .entry-map {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 30px;
    align-items: stretch;
  }

  .page-faq .feedback-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}