.page-faq {
  background: var(--ink);
  background-image: linear-gradient(180deg, rgba(43, 232, 208, 0.05) 0, rgba(43, 232, 208, 0) 420px);
  color: var(--home-white);
  font-family: var(--font-body);
  padding-bottom: clamp(56px, 8vw, 96px);
  overflow-x: hidden;
}

.page-faq a {
  overflow-wrap: break-word;
}

/* 面包屑 */
.page-faq .breadcrumb {
  padding-top: 26px;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mute);
}

.page-faq .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  color: var(--line);
}

.page-faq .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--signal);
}

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--home-white);
}

/* 首屏 */
.page-faq .faq-intro {
  padding: clamp(28px, 5vw, 56px) 0 clamp(22px, 3.5vw, 34px);
}

.page-faq .faq-intro__title {
  margin: 14px 0 18px;
  max-width: 15em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.6vw, 74px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--home-white);
}

.page-faq .faq-intro__title br {
  display: none;
}

.page-faq .faq-intro__lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.85;
  color: var(--mute);
}

/* 顶部通栏图 */
.page-faq .faq-banner {
  margin: 0 0 clamp(34px, 6vw, 62px);
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

/* 四类快速跳转 */
.page-faq .faq-lanes {
  padding: 0 0 clamp(38px, 6vw, 66px);
}

.page-faq .faq-lanes__grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-faq .faq-lane {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px;
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  text-decoration: none;
  color: var(--home-white);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-lane:hover,
.page-faq .faq-lane:focus-visible {
  border-color: var(--signal);
  border-left-color: var(--signal);
  background: rgba(255, 106, 26, 0.09);
  transform: translateY(-3px);
}

.page-faq .faq-lane__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--signal);
}

.page-faq .faq-lane__label {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .faq-lane__desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--mute);
}

/* 双栏主体 */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 46px);
  align-items: start;
}

/* 左侧问题索引 */
.page-faq .faq-index {
  padding: 18px 16px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px 9px 12px;
  border-left: 2px solid transparent;
  border-radius: 0 8px 8px 0;
  color: var(--mute);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--home-white);
  background: rgba(43, 232, 208, 0.08);
  border-left-color: var(--cyan);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--signal);
}

/* 章节 */
.page-faq .faq-section {
  scroll-margin-top: calc(var(--bar) + 24px);
  padding-bottom: clamp(32px, 5vw, 52px);
}

.page-faq .faq-section + .faq-section {
  border-top: 1px solid var(--line);
  padding-top: clamp(30px, 4vw, 44px);
}

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 22px;
}

.page-faq .faq-section__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-faq .faq-section__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--home-white);
}

/* 折叠条目 */
.page-faq .faq-item {
  margin-bottom: 12px;
  border-radius: var(--radius);
  background: var(--slab);
  border: 1px solid var(--line);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--panel);
}

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

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--home-white);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1.2;
  color: var(--cyan);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item[open] summary::after {
  content: "\2212";
  color: var(--signal);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: var(--radius);
}

.page-faq .faq-item__body {
  padding: 0 20px 22px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--home-white);
}

.page-faq .faq-item__body p {
  margin: 0 0 12px;
}

.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;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  color: var(--signal);
}

/* 操作步骤清单 */
.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 48px;
  line-height: 1.75;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--signal);
}

.page-faq .faq-steps li::after {
  content: "";
  position: absolute;
  left: 27px;
  top: 13px;
  width: 12px;
  height: 1px;
  background: var(--line);
}

/* 章节配图 */
.page-faq .faq-figure {
  margin: 18px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mute);
}

/* 联系方式 */
.page-faq .faq-contact {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact li {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(43, 232, 208, 0.06);
  border: 1px solid var(--line);
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--home-white);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--home-white);
}

/* 结尾提示 */
.page-faq .faq-outro {
  margin-top: 6px;
  padding: clamp(20px, 3.4vw, 30px);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  border-left: 3px solid var(--signal);
  background: linear-gradient(135deg, rgba(255, 106, 26, 0.13), rgba(43, 232, 208, 0.08));
}

.page-faq .faq-outro__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--home-white);
}

.page-faq .faq-outro__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mute);
}

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

.page-faq .faq-outro__text a:hover,
.page-faq .faq-outro__text a:focus-visible {
  color: var(--signal);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-faq .faq-lanes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-intro__title br {
    display: inline;
  }

  .page-faq .faq-contact li {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: center;
    gap: 14px;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(196px, 232px) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar) + 20px);
  }

  .page-faq .faq-item summary {
    padding: 19px 24px;
  }

  .page-faq .faq-item__body {
    padding: 0 24px 26px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-lanes__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-lane,
  .page-faq .faq-item,
  .page-faq .faq-index__list a,
  .page-faq .breadcrumb a {
    transition: none;
  }

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