.page-faq {
  --faq-gap: clamp(22px, 4vw, 44px);
  --faq-pad: clamp(18px, 3vw, 32px);
  color: var(--ink);
}

.page-faq .section {
  padding: clamp(34px, 6vw, 68px) 0;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .faq-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-head .section__title {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.25;
  text-wrap: balance;
}

.page-faq .faq-head .section__note {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

/* 面包屑 */
.page-faq .faq-crumbs {
  padding-top: 18px;
}

.page-faq .faq-crumbs .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* 首屏 */
.page-faq .faq-hero {
  padding: clamp(20px, 4vw, 44px) 0 clamp(24px, 4vw, 52px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(32px, 6.4vw, 58px);
  line-height: 1.1;
  text-wrap: balance;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-family: var(--font-serif);
  font-size: clamp(15.5px, 1.5vw, 18px);
  line-height: 1.9;
  color: var(--ink-soft);
}

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

.page-faq .faq-hero__actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.page-faq .faq-hero__aside {
  padding: var(--faq-pad);
  border-radius: var(--radius);
  border: 1px solid var(--line-dark-strong);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(18, 183, 190, 0.22), transparent 62%),
    linear-gradient(165deg, var(--ink), var(--ink-soft) 78%);
  color: var(--paper);
}

.page-faq .faq-hero__aside-label {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

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

.page-faq .faq-hero__steps li {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: baseline;
  gap: 4px 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-light);
}

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

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-faq .faq-hero__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
}

.page-faq .faq-hero__hint {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 239, 230, 0.72);
}

.page-faq .faq-hero__aside .btn {
  margin-top: 20px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* 四步进度带 */
.page-faq .faq-steps__tabs {
  display: block;
}

.page-faq .faq-progress {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: var(--card);
}

.page-faq .faq-progress__step {
  appearance: none;
  display: grid;
  gap: 3px;
  align-content: start;
  min-height: 68px;
  padding: 12px 12px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-progress__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
  transition: color 0.18s var(--ease);
}

.page-faq .faq-progress__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.page-faq .faq-progress__meta {
  font-size: 12px;
  color: var(--mist);
}

.page-faq .faq-progress__step:hover {
  border-color: var(--cyan-soft);
}

.page-faq .faq-progress__step[aria-selected="true"] {
  border-color: var(--cyan);
  background: rgba(159, 227, 229, 0.22);
}

.page-faq .faq-progress__step[aria-selected="true"] .faq-progress__num {
  color: var(--orange);
}

.page-faq .faq-progress__step[aria-selected="true"] .faq-progress__meta {
  color: var(--ink-soft);
}

/* 步骤详情 */
.page-faq .faq-steps__panels {
  margin-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-step {
  display: grid;
  gap: var(--faq-gap);
  padding: clamp(20px, 3.5vw, 36px) 0;
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-step:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-step[hidden] {
  display: none;
}

.page-faq .faq-step__lede {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.9vw, 21px);
  line-height: 1.85;
  color: var(--ink);
  max-width: 40ch;
}

.page-faq .faq-step__points {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 52ch;
}

.page-faq .faq-step__points li {
  position: relative;
  padding-left: 26px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-step__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 14px;
  height: 1px;
  background: var(--cyan);
}

.page-faq .faq-step__side {
  align-self: start;
  padding: var(--faq-pad);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: var(--paper-2);
}

.page-faq .faq-step__side .eyebrow {
  color: var(--orange);
  margin: 0;
}

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

.page-faq .faq-step__side li {
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 图片 */
.page-faq .faq-figure {
  margin: clamp(24px, 4vw, 44px) 0 0;
}

.page-faq .faq-inline-figure {
  margin: 22px 0 0;
}

.page-faq .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line-dark);
  object-fit: cover;
}

.page-faq .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* 问答分段 */
.page-faq .faq-tabs__list {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line-dark);
  scrollbar-width: none;
}

.page-faq .faq-tabs__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-tabs__tab {
  position: relative;
  flex: 0 0 auto;
  appearance: none;
  min-height: 48px;
  padding: 13px 16px;
  border: 0;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: color 0.18s var(--ease);
}

.page-faq .faq-tabs__tab::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: -1px;
  height: 2px;
  background: transparent;
  transform: scaleX(0.35);
  transition: background-color 0.18s var(--ease), transform 0.18s var(--ease);
}

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

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

.page-faq .faq-tabs__tab[aria-selected="true"]::after {
  background: var(--cyan);
  transform: scaleX(1);
}

.page-faq .faq-tabs__panel[hidden] {
  display: none;
}

.page-faq .faq-qa {
  display: grid;
  gap: 0;
  margin-top: clamp(16px, 3vw, 26px);
}

.page-faq .faq-qa__col {
  display: grid;
  align-content: start;
}

.page-faq .faq-qa__item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-faq .faq-qa__item:first-child {
  padding-top: 4px;
}

.page-faq .faq-qa__q {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
}

.page-faq .faq-qa__a {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
}

/* 联系指引面板 */
.page-faq .faq-help__panel {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--line-dark-strong);
  border-radius: var(--radius);
  background:
    radial-gradient(90% 100% at 0% 100%, rgba(239, 164, 58, 0.16), transparent 60%),
    var(--paper-2);
}

.page-faq .faq-help__intro .eyebrow {
  margin: 0;
  color: var(--orange);
}

.page-faq .faq-help__intro h2 {
  margin: 12px 0 0;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
}

.page-faq .faq-help__text {
  margin: 12px 0 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-help__intro .btn {
  margin-top: 20px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.page-faq .faq-help__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-help__steps li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-dark);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

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

.page-faq .faq-help__steps strong {
  display: block;
  font-family: var(--font-display);
  font-size: 15.5px;
  color: var(--ink);
}

.page-faq .faq-help__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
  padding-top: 3px;
}

/* 相关说明 */
.page-faq .faq-related__title {
  margin: 0 0 clamp(16px, 2.5vw, 24px);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.3;
}

.page-faq .faq-related__grid {
  display: grid;
  gap: 14px;
}

.page-faq .faq-related__card {
  display: block;
  min-height: 44px;
  padding: 20px;
  text-decoration: none;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-related__card .eyebrow {
  margin: 0;
}

.page-faq .faq-related__name {
  margin: 10px 0 0;
  font-size: 17px;
  line-height: 1.5;
}

.page-faq .faq-related__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-related__card:hover,
.page-faq .faq-related__card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

/* 桌面布局 */
@media (min-width: 760px) {
  .page-faq .faq-progress {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: clamp(32px, 5vw, 72px);
  }

  .page-faq .faq-progress {
    position: sticky;
    top: 12px;
    z-index: 5;
    background: rgba(255, 253, 249, 0.96);
    backdrop-filter: blur(6px);
  }

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

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

  .page-faq .faq-qa__col + .faq-qa__col {
    border-left: 1px solid var(--line-dark);
    padding-left: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }
}

/* 大屏留白与宽度 */
@media (min-width: 1200px) {
  .page-faq .faq-hero {
    padding-top: clamp(28px, 3vw, 48px);
  }

  .page-faq .faq-step__lede {
    font-size: 21px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-progress__step,
  .page-faq .faq-tabs__tab,
  .page-faq .faq-tabs__tab::after,
  .page-faq .faq-related__card {
    transition: none;
  }

  .page-faq .faq-related__card:hover,
  .page-faq .faq-related__card:focus-visible {
    transform: none;
  }
}
<<<END>>>