.page-faq {
  --faq-gap: 18px;
  padding-bottom: 84px;
}

/* ---------- 首屏 ---------- */
.page-faq .headline {
  margin: 0;
}

.page-faq .fault-hero {
  display: grid;
  gap: 20px;
  padding: 26px 0 30px;
  border-top: 2px solid var(--alert);
  border-bottom: 1px solid var(--line-ice);
}

.page-faq .fault-hero__side .lede {
  margin: 0 0 20px;
  max-width: 46em;
}

.page-faq .fault-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 880px) {
  .page-faq .fault-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 48px;
    align-items: end;
    padding: 44px 0 38px;
  }
  .page-faq .fault-hero__side {
    padding-bottom: 4px;
  }
}

/* ---------- 先做这三步 ---------- */
.page-faq .quick {
  padding-top: 42px;
}

.page-faq .quick__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 2px solid var(--ice);
  background: var(--panel);
  box-shadow: var(--hard);
}

.page-faq .quick__cell {
  padding: 22px 20px 24px;
  border-bottom: 2px solid var(--split);
}

.page-faq .quick__cell:last-child {
  border-bottom: 0;
}

.page-faq .quick__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--bg-deep);
  background: var(--glow);
  padding: 3px 12px 3px 9px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 9px) 100%, 0 100%);
}

.page-faq .quick__t {
  margin: 14px 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--snow);
  line-height: 1.4;
}

.page-faq .quick__cell p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--frost);
}

.page-faq .quick__fig {
  margin: 26px 0 0;
}

@media (min-width: 780px) {
  .page-faq .quick__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .quick__cell {
    border-bottom: 0;
    border-right: 2px solid var(--split);
    padding: 26px 22px 28px;
  }
  .page-faq .quick__cell:last-child {
    border-right: 0;
  }
}

/* ---------- 分现象路径 ---------- */
.page-faq .faults {
  padding-top: 54px;
}

.page-faq .branch {
  margin: 0 0 24px;
  padding: 18px 16px 14px;
  border: 1px solid var(--line-ice);
  background: rgba(18, 59, 82, 0.32);
}

.page-faq .branch svg {
  display: block;
  width: 100%;
  max-width: 520px;
  height: auto;
  margin: 0 auto;
}

.page-faq .branch figcaption {
  margin-top: 10px;
  text-align: center;
  font-size: var(--fs-note);
  color: var(--frost);
}

.page-faq .fault {
  position: relative;
  margin-bottom: 14px;
  border: 2px solid var(--line-ice);
  background: var(--panel);
  box-shadow: var(--soft);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.page-faq .fault::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: transparent;
  transition: background var(--ease);
}

.page-faq .fault:hover {
  border-color: var(--ice);
}

.page-faq .fault[open] {
  border-color: rgba(255, 90, 31, 0.55);
  box-shadow: var(--hard);
}

.page-faq .fault--alert[open]::before {
  background: var(--alert);
}

.page-faq .fault--warn[open]::before {
  background: var(--warn);
}

.page-faq .fault[open]:not(.fault--alert):not(.fault--warn)::before {
  background: var(--ice);
}

.page-faq .fault__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .fault__sum:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: -2px;
}

.page-faq .fault__title {
  flex: 1 1 220px;
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--snow);
}

.page-faq .fault__hint {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--frost);
}

.page-faq .fault__sign {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 2px solid var(--ice);
  color: var(--ice);
}

.page-faq .fault__sign::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}

.page-faq .fault[open] .fault__sign {
  border-color: var(--alert);
  color: var(--alert);
}

.page-faq .fault[open] .fault__sign::before {
  content: "\2212";
}

.page-faq .fault__body {
  padding: 18px 18px 22px;
  border-top: 1px solid var(--line-ice);
}

.page-faq .fault__fig {
  margin: 0 0 20px;
}

/* ---------- 步骤列表 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .steps__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-faq .steps__no {
  display: block;
  padding: 4px 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--glow);
  background: var(--split);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 82% 100%, 0 100%);
}

.page-faq .steps__label {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 700;
  color: var(--snow);
}

.page-faq .steps__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--frost);
}

/* ---------- 反馈 ---------- */
.page-faq .report {
  padding-top: 54px;
}

.page-faq .report__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-faq .report__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 2px solid var(--alert);
}

.page-faq .panel__body .data-row__v.mono {
  font-size: 13px;
  word-break: break-all;
}

@media (min-width: 780px) {
  .page-faq .report__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 420px) {
  .page-faq .steps__item {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 10px;
  }
  .page-faq .fault__sum {
    padding: 14px 14px;
  }
  .page-faq .fault__body {
    padding: 16px 14px 20px;
  }
  .page-faq .quick__cell {
    padding: 20px 16px 22px;
  }
}
<<<END>>>