.page-faq {
  --faq-rail: 236px;
  --faq-line: rgba(0, 229, 195, .18);
  padding-bottom: 72px;
  color: var(--white);
}

.page-faq .breadcrumbs {
  margin: 18px 0 14px;
}

/* ---------- 首屏头条 ---------- */
.page-faq .kb-head {
  position: relative;
  overflow: hidden;
  padding: 26px 20px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(45deg, rgba(0, 229, 195, .05) 0 2px, transparent 2px 14px),
    linear-gradient(158deg, var(--card) 0%, var(--field) 52%, var(--ink-deep) 100%);
}

.page-faq .kb-head::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -70px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 195, .22), transparent 68%);
  pointer-events: none;
}

.page-faq .kb-head .label {
  color: var(--cyan);
  margin: 0 0 10px;
}

.page-faq .kb-head h1 {
  margin: 0 0 14px;
  font-size: clamp(26px, 6.4vw, 50px);
  line-height: 1.1;
  letter-spacing: -.01em;
  font-weight: 900;
}

.page-faq .kb-head__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 251, 247, .78);
}

.page-faq .kb-head__stats {
  list-style: none;
  margin: 22px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--faq-line);
  display: grid;
  gap: 14px;
}

.page-faq .kb-head__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-faq .kb-head__num {
  font-size: 24px;
  line-height: 1.1;
  color: var(--cyan-hi);
  letter-spacing: .01em;
}

.page-faq .kb-head__unit {
  font-size: 13px;
  margin-left: 2px;
  color: var(--muted);
}

.page-faq .kb-head__cap {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 四类主题 ---------- */
.page-faq .kb-topics {
  margin-top: 44px;
}

.page-faq .kb-topics__head h2 {
  margin: 0 0 6px;
  font-size: clamp(22px, 4.6vw, 32px);
  line-height: 1.15;
}

.page-faq .kb-topics__head p {
  margin: 0 0 18px;
  font-size: 14px;
  color: var(--muted);
}

.page-faq .kb-topics__body {
  display: grid;
  gap: 18px;
}

.page-faq .kb-topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .kb-topic {
  display: block;
  height: 100%;
  padding: 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-soft);
  background: linear-gradient(150deg, rgba(15, 87, 65, .95), rgba(7, 31, 24, .9));
  color: inherit;
  text-decoration: none;
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-faq .kb-topic:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(0, 229, 195, .25);
}

.page-faq .kb-topic:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .kb-topic__idx {
  display: inline-block;
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .12em;
  margin-bottom: 8px;
}

.page-faq .kb-topic h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.25;
}

.page-faq .kb-topic p {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(242, 251, 247, .72);
}

.page-faq .kb-topic__go {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan-hi);
}

.page-faq .kb-figure {
  margin: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--field-2);
  overflow: hidden;
}

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

.page-faq .kb-figure__cap {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 目录 + 问答 ---------- */
.page-faq .kb-shell {
  display: grid;
  gap: 22px;
  margin-top: 48px;
}

.page-faq .kb-toc {
  position: relative;
}

.page-faq .kb-toc__title {
  margin: 0 0 10px;
  color: var(--muted);
}

.page-faq .kb-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .kb-toc__list li {
  flex: 0 0 auto;
}

.page-faq .kb-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: var(--pill);
  border: 1px solid var(--line-soft);
  color: rgba(242, 251, 247, .82);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.page-faq .kb-toc__link:hover {
  border-color: var(--cyan);
  color: var(--white);
}

.page-faq .kb-toc__link[aria-current] {
  border-color: var(--cyan);
  background: rgba(0, 229, 195, .12);
  color: var(--cyan-hi);
}

.page-faq .kb-toc__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .kb-toc__idx {
  font-size: 11px;
  color: var(--muted);
}

.page-faq .kb-toc__note {
  display: none;
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .kb-main {
  min-width: 0;
  display: grid;
  gap: 36px;
}

.page-faq .kb-group {
  scroll-margin-top: 20px;
}

.page-faq .kb-group__head {
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .kb-group__head .idx {
  display: inline-block;
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .14em;
  margin-bottom: 8px;
}

.page-faq .kb-group__head h2 {
  margin: 0 0 8px;
  font-size: clamp(20px, 4.2vw, 28px);
  line-height: 1.2;
}

.page-faq .kb-group__lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .qa {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: rgba(15, 87, 65, .5);
  overflow: hidden;
  transition: background var(--ease), border-color var(--ease);
}

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

.page-faq .qa__q {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

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

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

.page-faq .qa__q .pill {
  flex: 0 0 auto;
  font-size: 10px;
  padding: 3px 9px;
}

.page-faq .qa[open] {
  border-color: rgba(0, 229, 195, .45);
  background: #11603f;
}

.page-faq .qa[open] .qa__q {
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .qa__a {
  padding: 0 16px 15px 19px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 251, 247, .82);
}

.page-faq .qa__a p {
  margin: 0;
}

.page-faq .qa__a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__a a:hover {
  color: var(--cyan-hi);
}

.page-faq .kb-group__link {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .kb-group__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 195, .4);
}

.page-faq .kb-group__link a:hover {
  color: var(--cyan-hi);
}

/* ---------- 三步自查横带 ---------- */
.page-faq .kb-steps {
  margin-top: 60px;
  padding: 40px 0 44px;
  scroll-margin-top: 20px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    repeating-linear-gradient(-45deg, rgba(255, 107, 53, .05) 0 2px, transparent 2px 18px),
    linear-gradient(180deg, var(--ink-deep), var(--field-2));
}

.page-faq .kb-steps__head .label {
  color: var(--orange);
  margin: 0 0 10px;
}

.page-faq .kb-steps__head h2 {
  margin: 0 0 8px;
  font-size: clamp(22px, 4.8vw, 34px);
  line-height: 1.15;
}

.page-faq .kb-steps__lead {
  margin: 0 0 24px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .kb-steps__list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .kb-step {
  position: relative;
  min-width: 0;
  padding: 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(15, 87, 65, .9), rgba(7, 31, 24, .92));
}

.page-faq .kb-step__num {
  display: block;
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-faq .kb-step h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.3;
}

.page-faq .kb-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(242, 251, 247, .76);
}

.page-faq .kb-step__check {
  margin-top: 10px !important;
  padding-left: 10px;
  border-left: 2px solid var(--orange);
  font-size: 13px !important;
  color: var(--muted) !important;
}

.page-faq .kb-steps__fig {
  margin: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--field-2);
}

/* ---------- 联络卡 ---------- */
.page-faq .kb-help {
  margin-top: 52px;
  scroll-margin-top: 20px;
}

.page-faq .kb-help__card {
  padding: 24px 20px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 107, 53, .35);
  background:
    radial-gradient(circle at 92% 0%, rgba(255, 107, 53, .18), transparent 55%),
    linear-gradient(155deg, var(--field), var(--ink-deep));
}

.page-faq .kb-help__copy .label {
  color: var(--orange);
  margin: 0 0 10px;
}

.page-faq .kb-help__copy h2 {
  margin: 0 0 10px;
  font-size: clamp(20px, 4.4vw, 30px);
  line-height: 1.2;
}

.page-faq .kb-help__copy p {
  margin: 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 251, 247, .8);
}

.page-faq .kb-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .kb-help__actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.page-faq .kb-help__meta {
  list-style: none;
  margin: 22px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 10px;
}

.page-faq .kb-help__meta li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  align-items: baseline;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-faq .kb-help__meta .label {
  min-width: 44px;
  color: var(--muted);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-faq .kb-head {
    padding: 34px 30px 28px;
  }

  .page-faq .kb-head__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .kb-head__num {
    font-size: 28px;
  }

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

  .page-faq .kb-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .kb-step:not(:last-child)::after {
    content: "→";
    position: absolute;
    top: 50%;
    right: -15px;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--cyan);
    opacity: .8;
  }

  .page-faq .kb-help__card {
    padding: 32px 30px;
  }

  .page-faq .kb-help__meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 24px;
  }
}

/* ---------- 桌面：左目录右内容 ---------- */
@media (min-width: 1025px) {
  .page-faq .kb-shell {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-faq .kb-toc {
    position: sticky;
    top: 20px;
  }

  .page-faq .kb-toc__list {
    display: block;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--line-soft);
  }

  .page-faq .kb-toc__list li + li {
    margin-top: 4px;
  }

  .page-faq .kb-toc__link {
    display: flex;
    width: 100%;
    border: 0;
    border-radius: 0 var(--pill) var(--pill) 0;
    background: transparent;
    padding: 9px 12px;
    white-space: normal;
  }

  .page-faq .kb-toc__link[aria-current] {
    background: rgba(0, 229, 195, .12);
    box-shadow: inset 2px 0 0 var(--cyan);
  }

  .page-faq .kb-toc__note {
    display: block;
    padding-left: 12px;
  }

  .page-faq .kb-topics__body {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
    gap: 20px;
  }

  .page-faq .kb-steps {
    margin-top: 72px;
    padding: 56px 0 60px;
  }

  .page-faq .kb-help {
    margin-top: 64px;
  }
}
<<<PAGE_CSS_END>>>