.page-faq {
  --faq-gap: clamp(22px, 4vw, 40px);
  --faq-body-left: 40px;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  padding-bottom: clamp(28px, 5vw, 56px);
  background-image:
    linear-gradient(118deg, rgba(53, 230, 210, 0.1) 0%, rgba(53, 230, 210, 0) 46%),
    linear-gradient(298deg, rgba(255, 107, 51, 0.09) 0%, rgba(255, 107, 51, 0) 42%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(10px, 2vw, 20px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(34px, 6.4vw, 74px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  font-weight: 300;
  max-width: 15ch;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: var(--step-0);
  line-height: 1.78;
  color: var(--mist);
}

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

.page-faq .faq-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 20px;
}

.page-faq .faq-meta__item {
  border-left: 1px solid var(--line);
  padding-left: 11px;
  min-width: 0;
}

.page-faq .faq-meta__val {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(16px, 2vw, 21px);
  color: var(--cyan);
  white-space: nowrap;
}

.page-faq .faq-meta__key {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* 分类分段条 */
.page-faq .faq-tabs {
  margin-top: var(--faq-gap);
}

.page-faq .tabs__list {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .tabs__tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  min-height: 46px;
  padding: 14px 14px;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--mist);
  font-family: inherit;
  font-size: 14px;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .tabs__tab:hover {
  color: var(--paper);
}

.page-faq .tabs__tab[aria-selected="true"] {
  color: var(--paper);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-tab__count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  color: var(--orange);
}

/* 面板 */
.page-faq .faq-panel {
  padding-top: clamp(22px, 4vw, 38px);
  padding-bottom: clamp(26px, 4vw, 44px);
  max-width: 900px;
}

.page-faq .faq-panel__title {
  margin: 0 0 12px;
  font-size: var(--step-2);
  line-height: 1.15;
  font-weight: 500;
  letter-spacing: -0.01em;
  border-left: 3px solid var(--orange);
  padding-left: 12px;
}

.page-faq .faq-panel__lead {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* 三步路径 */
.page-faq .steps {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .steps__item {
  position: relative;
  padding: 20px 0 20px;
  border-top: 1px solid var(--line);
}

.page-faq .steps__item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--cyan);
}

.page-faq .steps__item:nth-child(3)::before {
  background: var(--orange);
}

.page-faq .steps__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .steps__title {
  margin: 6px 0 6px;
  font-size: 18px;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .steps__text {
  margin: 0;
  max-width: 34ch;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

/* 图 */
.page-faq .faq-figure {
  margin: 0 0 26px;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-faq .faq-figure--square {
  margin-bottom: 26px;
}

/* 问答条目 */
.page-faq .faq-item {
  border-top: 1px solid var(--line);
  border-left: 2px solid transparent;
  padding-left: 12px;
  transition: border-left-color var(--dur) var(--ease);
}

.page-faq .faq-item:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
}

.page-faq .faq-item__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  list-style: none;
  cursor: pointer;
}

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

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

.page-faq .faq-item__no {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-item[open] .faq-item__no {
  color: var(--cyan);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  font-size: 15.5px;
  line-height: 1.55;
  font-weight: 500;
  color: var(--paper);
}

.page-faq .faq-item__sign {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}

.page-faq .faq-item__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1.5px;
}

.page-faq .faq-item__sign::after {
  left: 6px;
  top: 0;
  width: 1.5px;
  height: 14px;
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-item__body {
  padding: 0 0 20px var(--faq-body-left);
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.82;
  color: var(--mist);
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
}

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

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

/* 字段表 */
.page-faq .field-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 24px;
  font-size: 13px;
  line-height: 1.65;
}

.page-faq .field-table__caption {
  text-align: left;
  padding: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .field-table th,
.page-faq .field-table td {
  text-align: left;
  vertical-align: top;
  padding: 10px 10px;
  border-bottom: 1px solid var(--line);
}

.page-faq .field-table thead th {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
  background: rgba(18, 36, 58, 0.7);
  border-top: 1px solid var(--line);
}

.page-faq .field-table tbody th {
  width: 34%;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12.5px;
  color: var(--cyan);
  background: rgba(18, 36, 58, 0.55);
}

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

/* 工单模板 */
.page-faq .ticket {
  margin: 12px 0 14px;
  padding: 16px 16px;
  border: 1px dashed var(--line);
  background: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 2;
  color: var(--paper);
  white-space: pre-wrap;
  overflow-x: auto;
  max-width: 100%;
}

/* 两列区（iOS） */
.page-faq .faq-two-col {
  display: grid;
  gap: 0;
}

/* 结尾 */
.page-faq .faq-close {
  margin-top: clamp(20px, 4vw, 40px);
  border-top: 1px solid var(--line);
  background-image: linear-gradient(180deg, rgba(53, 230, 210, 0.06), rgba(53, 230, 210, 0) 70%);
}

.page-faq .faq-close .shell {
  padding-top: clamp(26px, 4vw, 44px);
  padding-bottom: clamp(44px, 7vw, 88px);
}

.page-faq .faq-close h2 {
  margin: 0 0 12px;
  font-size: var(--step-3);
  line-height: 1.06;
  font-weight: 300;
  letter-spacing: -0.01em;
}

.page-faq .faq-close__lead {
  margin: 0 0 24px;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-close__links {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  max-width: 900px;
}

.page-faq .faq-close__links a {
  display: block;
  padding: 16px 16px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  border-left: 2px solid transparent;
  transition: border-left-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-close__links a span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-close__links a:hover,
.page-faq .faq-close__links a:focus-visible {
  border-left-color: var(--orange);
  background: var(--ink-2);
}

/* 中等屏幕 */
@media (min-width: 760px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .steps__item {
    padding: 22px 20px 22px 0;
  }

  .page-faq .steps__item:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, var(--cyan), rgba(42, 63, 85, 0.2) 72%);
    transform: skewX(-12deg);
  }

  .page-faq .faq-two-col {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 28px;
    align-items: start;
  }

  .page-faq .faq-figure--square {
    margin-bottom: 0;
  }

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

/* 桌面 */
@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 56px;
    align-items: end;
  }

  .page-faq .faq-hero__aside {
    padding-top: 22px;
  }

  .page-faq .tabs__tab {
    padding: 15px 18px;
    font-size: 14.5px;
  }

  .page-faq .faq-panel {
    padding-left: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .tabs__tab,
  .page-faq .faq-item,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-close__links a {
    transition: none;
  }
}
<<<END>>>