.page-faq {
  --faq-rail-w: 236px;
  --faq-gap: clamp(24px, 4vw, 56px);
  --faq-ring: 0 0 0 2px var(--sun-400), 0 0 0 4px var(--focus-600);
  background: var(--paper-050);
  color: var(--seed-900);
}

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

.page-faq .mono {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.page-faq section[id] {
  scroll-margin-top: 92px;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-faq .faq-crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-12);
  font-family: var(--font-mono);
  letter-spacing: .06em;
}

.page-faq .faq-crumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-600);
}

.page-faq .faq-crumb__item + .faq-crumb__item::before {
  content: "/";
  color: var(--line-300);
}

.page-faq .faq-crumb__link {
  color: var(--kiwi-700);
  text-decoration: none;
}

.page-faq .faq-crumb__link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-crumb__link:focus-visible {
  outline: none;
  box-shadow: var(--faq-ring);
}

.page-faq .faq-crumb__now {
  color: var(--seed-900);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(20px, 3vw, 32px) clamp(46px, 8vw, 88px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--kiwi-100);
  clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .kicker {
  margin: 0;
  color: var(--kiwi-700);
}

.page-faq .faq-hero__title {
  margin: 12px 0 18px;
  font-size: clamp(36px, 7.2vw, 76px);
  line-height: .98;
  font-weight: 900;
  letter-spacing: -.025em;
}

.page-faq .faq-hero__title span {
  font-weight: 200;
  letter-spacing: -.01em;
}

.page-faq .faq-hero__lede {
  max-width: 620px;
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--text-600);
}

.page-faq .faq-hero__meta {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--kiwi-500);
  color: var(--seed-900);
}

/* ---------- 主布局 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
  padding-bottom: clamp(56px, 9vw, 104px);
}

/* ---------- 侧栏索引 ---------- */
.page-faq .faq-rail {
  display: none;
}

.page-faq .faq-rail__title {
  margin: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--seed-900);
  color: var(--text-600);
}

.page-faq .faq-rail__list {
  margin: 0;
  padding: 8px 0 0;
  list-style: none;
}

.page-faq .faq-rail__link {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 8px;
  align-items: baseline;
  padding: 9px 8px 9px 10px;
  border-left: 3px solid transparent;
  color: var(--text-600);
  font-size: var(--fs-14);
  line-height: 1.5;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-rail__num {
  color: var(--kiwi-700);
}

.page-faq .faq-rail__link:hover {
  background: rgba(111, 191, 58, .12);
  color: var(--seed-900);
}

.page-faq .faq-rail__link:focus-visible {
  outline: none;
  box-shadow: var(--faq-ring);
}

.page-faq .faq-rail__link[aria-current="true"] {
  background: var(--kiwi-100);
  border-left-color: var(--kiwi-500);
  color: var(--seed-900);
}

.page-faq .faq-rail__cta {
  display: block;
  margin-top: 18px;
  padding: 12px 14px;
  background: var(--seed-900);
  color: var(--paper-050);
  font-size: var(--fs-14);
  text-align: center;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease);
}

.page-faq .faq-rail__cta:hover {
  background: var(--kiwi-700);
}

.page-faq .faq-rail__cta:focus-visible {
  outline: none;
  box-shadow: var(--faq-ring);
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-block {
  padding-top: clamp(8px, 2vw, 16px);
}

.page-faq .faq-block__head {
  border-top: 1px solid var(--seed-900);
  padding-top: 14px;
  margin-bottom: 12px;
}

.page-faq .faq-block__label {
  margin: 0 0 6px;
  color: var(--text-600);
}

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(24px, 4.2vw, 34px);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.15;
}

.page-faq .faq-block__intro {
  max-width: 46ch;
  margin: 0 0 20px;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--text-600);
}

/* ---------- 步骤 ---------- */
.page-faq .faq-steps__media {
  margin: 0 0 18px;
}

.page-faq .faq-steps__media img {
  width: 100%;
  object-fit: cover;
  background: var(--kiwi-100);
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 18px 20px;
  background: var(--kiwi-100);
  border-left: 3px solid var(--kiwi-500);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-step:hover {
  transform: translateY(-2px);
  background: var(--paper-050);
}

.page-faq .faq-step__num {
  font-size: clamp(34px, 6vw, 50px);
  line-height: .9;
  font-weight: 200;
  letter-spacing: -.03em;
  color: var(--kiwi-700);
}

.page-faq .faq-step__title {
  margin: 2px 0 6px;
  font-size: var(--fs-17);
  font-weight: 700;
  line-height: 1.45;
}

.page-faq .faq-step__body p {
  margin: 0;
  max-width: 48ch;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--text-600);
}

/* ---------- 筛选 ---------- */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin: clamp(28px, 5vw, 44px) 0 8px;
  padding: 12px 0;
  border-top: 1px solid var(--line-300);
  border-bottom: 1px solid var(--line-300);
}

.page-faq .faq-filter__label {
  margin: 0;
  color: var(--text-600);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .chip {
  padding: 7px 14px;
  border: 1px solid var(--line-300);
  background: transparent;
  color: var(--seed-900);
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.4;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .chip:hover {
  border-color: var(--kiwi-700);
}

.page-faq .chip[aria-pressed="true"] {
  background: var(--kiwi-500);
  border-color: var(--kiwi-500);
  color: var(--seed-900);
  font-weight: 500;
}

.page-faq .chip:focus-visible {
  outline: none;
  box-shadow: var(--faq-ring);
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-list {
  margin-top: 4px;
}

.page-faq .qa {
  border-bottom: 1px solid var(--line-300);
  transition: background-color var(--dur) var(--ease);
}

.page-faq .qa:hover {
  background: rgba(111, 191, 58, .1);
}

.page-faq .qa[open] {
  background: var(--kiwi-100);
}

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) 16px;
  gap: 10px;
  align-items: start;
  padding: 15px 12px 15px 10px;
  border-left: 3px solid transparent;
  cursor: pointer;
  list-style: none;
  transition: border-color var(--dur) var(--ease);
}

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

.page-faq .qa__summary::marker {
  content: "";
}

.page-faq .qa[open] .qa__summary {
  border-left-color: var(--kiwi-500);
}

.page-faq .qa__summary:focus-visible {
  outline: none;
  box-shadow: var(--faq-ring);
}

.page-faq .qa__num {
  padding-top: 4px;
  color: var(--kiwi-700);
}

.page-faq .qa__q {
  font-size: var(--fs-17);
  font-weight: 500;
  line-height: 1.55;
}

.page-faq .qa__icon {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .qa__icon::before,
.page-faq .qa__icon::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--seed-900);
}

.page-faq .qa__icon::before {
  width: 14px;
  height: 2px;
}

.page-faq .qa__icon::after {
  width: 2px;
  height: 14px;
  transition: transform var(--dur) var(--ease);
}

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

.page-faq .qa__body {
  padding: 0 16px 18px 47px;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--text-600);
}

.page-faq .qa__body p {
  margin: 0;
  max-width: 48ch;
}

.page-faq .qa__body a {
  color: var(--kiwi-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__body a:hover {
  color: var(--seed-900);
}

.page-faq .qa__body a:focus-visible {
  outline: none;
  box-shadow: var(--faq-ring);
}

/* ---------- 联系收口 ---------- */
.page-faq .faq-help {
  margin-top: clamp(40px, 7vw, 72px);
  padding-top: clamp(18px, 3vw, 28px);
  border-top: 2px solid var(--seed-900);
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-faq .faq-help__title {
  margin: 6px 0 12px;
  font-size: clamp(24px, 4.2vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.015em;
}

.page-faq .faq-help__text {
  max-width: 46ch;
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--text-600);
}

.page-faq .faq-contact {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-300);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-300);
}

.page-faq .faq-contact__key {
  min-width: 44px;
  color: var(--text-600);
}

.page-faq .faq-contact__val {
  flex: 1 1 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: .02em;
  word-break: break-all;
}

.page-faq .btn:focus-visible {
  outline: none;
  box-shadow: var(--faq-ring);
}

.page-faq .faq-help__more {
  max-width: 46ch;
  margin: 18px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-600);
}

.page-faq .faq-help__more a {
  color: var(--kiwi-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-help__back {
  display: inline-block;
  margin-top: 18px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--seed-900);
  color: var(--seed-900);
  font-size: var(--fs-14);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-help__back:hover {
  color: var(--kiwi-700);
  border-color: var(--kiwi-700);
}

.page-faq .faq-help__back:focus-visible {
  outline: none;
  box-shadow: var(--faq-ring);
}

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

.page-faq .faq-help__media img {
  width: 100%;
  object-fit: cover;
  background: var(--kiwi-100);
}

.page-faq .img-frame__caption {
  margin-top: 8px;
  color: var(--text-600);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-step {
    padding: 22px 24px 24px;
    gap: 20px;
  }
}

@media (min-width: 820px) {
  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
  }

  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: 88px;
  }

  .page-faq .faq-filter {
    margin-top: clamp(34px, 5vw, 52px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .qa__icon::after {
    transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }

  .page-faq .faq-step:hover {
    transform: none;
  }

  .page-faq .qa[open] .qa__icon::after {
    transform: none;
    opacity: 0;
  }
}
<<<PAGE_CSS_END>>>