.page-faq {
  --faq-gap: clamp(18px, 3vw, 32px);
  background: var(--ink-950);
  color: var(--fog-100);
  font-family: var(--font-body);
}

.page-faq .crumbs {
  margin-block: clamp(14px, 2vw, 22px) 0;
}

/* 首屏 */
.page-faq .faq-intro {
  padding-block: clamp(22px, 3.6vw, 44px) clamp(30px, 4.6vw, 60px);
  background:
    radial-gradient(95% 75% at 88% -12%, rgba(57, 242, 212, 0.13), transparent 62%),
    linear-gradient(180deg, var(--ink-950) 0%, var(--ink-900) 100%);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-intro__inner {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(33px, 6.4vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--fog-100);
}

.page-faq .faq-intro__lead .lede {
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--mist-300);
}

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

.page-faq .faq-glance {
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--radius);
}

.page-faq .faq-glance__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}

.page-faq .faq-glance__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-faq .faq-glance__list li {
  padding-left: 14px;
  border-left: 2px solid rgba(57, 242, 212, 0.45);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-faq .faq-glance__list strong {
  display: block;
  margin-bottom: 3px;
  font-weight: 600;
  color: var(--fog-100);
}

/* 数据条 */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(24px, 4vw, 42px);
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-faq .faq-stat {
  padding: 16px 18px;
  background: var(--ink-900);
}

.page-faq .faq-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.1;
  color: var(--cyan-400);
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--mist-300);
}

/* 分类切换 */
.page-faq .faq-tabs {
  position: relative;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .faq-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-tabs__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-faq .faq-tab {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 46px;
  padding: 11px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  color: var(--mist-300);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.3;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-tab:hover {
  border-color: var(--line);
  color: var(--fog-100);
}

.page-faq .faq-tab__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-400);
  opacity: 0.75;
}

.page-faq #faq-c1:checked ~ .faq-tabs__nav [for="faq-c1"],
.page-faq #faq-c2:checked ~ .faq-tabs__nav [for="faq-c2"],
.page-faq #faq-c3:checked ~ .faq-tabs__nav [for="faq-c3"],
.page-faq #faq-c4:checked ~ .faq-tabs__nav [for="faq-c4"] {
  background: rgba(57, 242, 212, 0.14);
  border-color: var(--cyan-400);
  color: var(--fog-100);
}

.page-faq #faq-c1:focus-visible ~ .faq-tabs__nav [for="faq-c1"],
.page-faq #faq-c2:focus-visible ~ .faq-tabs__nav [for="faq-c2"],
.page-faq #faq-c3:focus-visible ~ .faq-tabs__nav [for="faq-c3"],
.page-faq #faq-c4:focus-visible ~ .faq-tabs__nav [for="faq-c4"] {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-faq .faq-tabs__panels {
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-faq .faq-panel {
  display: none;
}

.page-faq #faq-c1:checked ~ .faq-tabs__panels #faq-panel-1,
.page-faq #faq-c2:checked ~ .faq-tabs__panels #faq-panel-2,
.page-faq #faq-c3:checked ~ .faq-tabs__panels #faq-panel-3,
.page-faq #faq-c4:checked ~ .faq-tabs__panels #faq-panel-4 {
  display: block;
  animation: faq-panel-in 0.36s var(--ease) both;
}

@keyframes faq-panel-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 插图 */
.page-faq .faq-media {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

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

.page-faq .faq-media .media__cap {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist-300);
  background: var(--ink-900);
  border-top: 1px solid var(--line-soft);
}

/* 手风琴 */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-800);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--line);
  background: var(--ink-800);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--fog-100);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.2;
  color: var(--cyan-400);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
}

.page-faq .faq-item__num {
  flex: none;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-400);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
}

.page-faq .faq-item__body {
  padding: 0 16px 16px 16px;
  border-top: 1px solid var(--line-soft);
  margin-top: 2px;
}

.page-faq .faq-item__body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-300);
}

.page-faq .faq-item__more {
  margin-top: 12px;
}

/* 反馈准备 */
.page-faq .faq-prep {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .faq-prep__card {
  padding: clamp(18px, 2.6vw, 28px);
  border-radius: var(--radius);
}

.page-faq .faq-prep__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-faq .faq-prep__list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-prep__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-prep__num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan-400);
  padding-top: 2px;
}

.page-faq .faq-prep__k {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--fog-100);
}

.page-faq .faq-prep__list p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-300);
}

/* 联系卡 */
.page-faq .faq-contact {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--radius);
}

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

.page-faq .faq-contact__list li {
  display: grid;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-contact__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-contact__k {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--mist-300);
}

.page-faq .faq-contact__v {
  font-size: 15px;
  color: var(--fog-100);
  word-break: break-word;
}

.page-faq .faq-copy {
  justify-self: start;
}

.page-faq .faq-copy-status {
  margin: 0;
  min-height: 18px;
  font-size: 13px;
  color: var(--cyan-400);
}

.page-faq .faq-contact__more {
  margin: 0;
}

/* 收束区 */
.page-faq .faq-next {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-next__inner {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-next__lead .lede {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-300);
}

.page-faq .faq-next__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-faq .faq-next__links a {
  display: block;
  padding: 15px 16px;
  background: var(--ink-950);
  color: var(--fog-100);
  font-size: 14.5px;
  line-height: 1.6;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-next__links a:hover,
.page-faq .faq-next__links a:focus-visible {
  background: var(--ink-800);
  color: var(--cyan-400);
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-faq .faq-tabs__nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-faq .faq-tab {
    justify-content: center;
  }

  .page-faq .faq-panel--split {
    display: none;
  }

  .page-faq #faq-c2:checked ~ .faq-tabs__panels #faq-panel-2 {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: var(--faq-gap);
    align-items: start;
  }

  .page-faq #faq-c2:checked ~ .faq-tabs__panels #faq-panel-2 .faq-media {
    margin: 0;
  }

  .page-faq .faq-prep {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
  }
}

/* 桌面 */
@media (min-width: 960px) {
  .page-faq .faq-intro__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.75fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-next__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-item summary {
    padding: 18px 20px;
  }

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

  .page-faq .faq-item__body p {
    max-width: 62ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq #faq-c1:checked ~ .faq-tabs__panels #faq-panel-1,
  .page-faq #faq-c2:checked ~ .faq-tabs__panels #faq-panel-2,
  .page-faq #faq-c3:checked ~ .faq-tabs__panels #faq-panel-3,
  .page-faq #faq-c4:checked ~ .faq-tabs__panels #faq-panel-4 {
    animation: none;
  }

  .page-faq .faq-tab,
  .page-faq .faq-item,
  .page-faq .faq-next__links a {
    transition: none;
  }
}
<<<END>>>