.page-faq {
  --faq-gap: clamp(16px, 3vw, 24px);
  overflow-x: clip;
}

.page-faq .section {
  padding-top: clamp(48px, 7vw, 88px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-faq .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(24px, 4vw, 40px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -20% -20% auto -20%;
  height: 78%;
  background:
    radial-gradient(58% 100% at 26% 0%, rgba(75, 240, 206, 0.10), transparent 70%),
    radial-gradient(52% 100% at 82% 6%, rgba(138, 107, 255, 0.13), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5.6vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ice);
  max-width: 18ch;
}

.page-faq .faq-hero .lead {
  max-width: 38ch;
  color: var(--mist);
  font-size: 17px;
  line-height: 1.8;
}

.page-faq .faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-aside__label {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .faq-jump {
  display: block;
  padding: 16px 18px;
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  text-decoration: none;
  transition: border-color 200ms var(--ease), transform 120ms var(--ease), background-color 200ms var(--ease);
}

.page-faq .faq-jump + .faq-jump {
  margin-top: 10px;
}

.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible {
  border-color: var(--neon);
  background: var(--aurora);
  transform: translateY(-2px);
}

.page-faq .faq-jump__k {
  display: block;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--neon);
}

.page-faq .faq-jump__v {
  display: block;
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ice);
}

/* ---------- 自查顺序 ---------- */

.page-faq .faq-check__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-faq .faq-check__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--sea);
  overflow: hidden;
}

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

.page-faq .faq-check__figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-faq .faq-steps .step {
  position: relative;
  padding: 22px 22px 22px 74px;
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  transition: border-color 200ms var(--ease);
}

.page-faq .faq-steps .step:hover {
  border-color: var(--neon);
}

.page-faq .faq-steps .step::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 20px;
  top: 22px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--neon);
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
}

.page-faq .faq-steps .step-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ice);
}

.page-faq .faq-steps .step-text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 成因归类 ---------- */

.page-faq .faq-causes__figure {
  margin: 0 0 clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: linear-gradient(135deg, var(--sea), var(--deep));
  overflow: hidden;
}

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

.page-faq .faq-causes__figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

.page-faq .faq-cause-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-cause {
  padding: 24px 22px 22px;
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  transition: border-color 200ms var(--ease), transform 120ms var(--ease);
}

.page-faq .faq-cause:hover {
  border-color: var(--neon);
  transform: translateY(-2px);
}

.page-faq .faq-cause__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--violet);
}

.page-faq .faq-cause h3 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--ice);
}

.page-faq .faq-cause p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-cause .faq-cause__sign {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ice);
}

/* ---------- 手风琴问答 ---------- */

.page-faq .faq-qa__head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-acc {
  display: grid;
  gap: 12px;
}

.page-faq .faq-acc__item {
  background: var(--deep);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--r-card);
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-faq .faq-acc__item:hover {
  background: #101937;
}

.page-faq .faq-acc__item[open] {
  border-color: var(--line);
  border-left-color: var(--neon);
}

.page-faq .faq-acc__item > summary {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 20px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ice);
}

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

.page-faq .faq-acc__item > summary::before {
  content: "+";
  flex: none;
  width: 18px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.5;
  color: var(--neon);
  text-align: center;
}

.page-faq .faq-acc__item[open] > summary::before {
  content: "–";
}

.page-faq .faq-acc__item .accordion-body {
  padding: 0 20px 20px 52px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-acc__item .accordion-body p {
  margin: 0;
}

/* ---------- 速查表 ---------- */

.page-faq .faq-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 14px 16px;
  text-align: left;
  font-size: 15px;
  line-height: 1.7;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table th {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
  background: var(--deep);
}

.page-faq .faq-table td:first-child {
  color: var(--ice);
}

.page-faq .faq-table td:last-child {
  color: var(--mist);
}

.page-faq .faq-table tbody tr {
  transition: background-color 160ms var(--ease);
}

.page-faq .faq-table tbody tr:hover {
  background: var(--aurora);
}

.page-faq .faq-table tbody tr:hover td:last-child {
  color: var(--neon);
}

/* ---------- 仍未解决 ---------- */

.page-faq .faq-next__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
  padding: clamp(26px, 4vw, 46px);
  background: linear-gradient(140deg, var(--sea) 0%, var(--deep) 62%, #131c3f 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
}

.page-faq .faq-next__copy p {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-next__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: center;
}

/* ---------- 锚点与响应式 ---------- */

.page-faq .faq-check,
.page-faq .faq-causes,
.page-faq .faq-qa,
.page-faq .faq-table-sec,
.page-faq .faq-next {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

@media (min-width: 680px) {
  .page-faq .faq-cause-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-faq .faq-check__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-faq .faq-next__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-cause-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump,
  .page-faq .faq-cause,
  .page-faq .faq-acc__item,
  .page-faq .faq-table tbody tr,
  .page-faq .faq-steps .step {
    transition: none;
  }

  .page-faq .faq-jump:hover,
  .page-faq .faq-cause:hover {
    transform: none;
  }
}