.page-faq {
  --faq-line-soft: rgba(11, 31, 51, 0.12);
  --faq-glass: rgba(255, 255, 255, 0.06);
  --faq-glass-line: rgba(235, 217, 160, 0.28);
  --faq-on-dark: rgba(248, 244, 236, 0.82);
  background: var(--paper-50);
  color: var(--text-body);
  overflow-x: hidden;
}

.page-faq .crumbs {
  padding: 22px 0 0;
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-faq .crumbs__item {
  color: var(--ink-500);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .crumbs__item:hover {
  color: var(--gold-500);
}

.page-faq .crumbs__item[aria-current="page"] {
  color: var(--text-strong);
}

/* ---------- 首屏检索区 ---------- */

.page-faq .faq-hero {
  padding: 26px 0 64px;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold-500);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

.page-faq .faq-hero__text {
  margin: 0 0 28px;
  max-width: 48ch;
  font-size: 17px;
  line-height: 1.75;
}

.page-faq .faq-search {
  max-width: 540px;
  padding: 16px 18px 14px;
  background: var(--white-0);
  border: 2px solid var(--ink-700);
  border-radius: var(--radius-md);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-search:focus-within {
  border-color: var(--coral-500);
  box-shadow: 0 0 0 4px rgba(255, 107, 74, 0.14);
}

.page-faq .faq-search__row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-search__icon {
  flex: none;
  width: 20px;
  height: 20px;
  color: var(--ink-500);
}

.page-faq .faq-search__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 6px 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 17px;
  color: var(--text-strong);
}

.page-faq .faq-search__input::placeholder {
  color: var(--ink-500);
  opacity: 0.78;
}

.page-faq .faq-search__hint {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-500);
}

.page-faq .faq-hot {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hot__link {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white-0);
  color: var(--ink-700);
  font-size: 14px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-hot__link:hover,
.page-faq .faq-hot__link:focus-visible {
  border-color: var(--gold-500);
  color: var(--ink-900);
  transform: translateY(-2px);
}

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

.page-faq .faq-hero__figure .figure__frame {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

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

/* ---------- 三类高频问题 ---------- */

.page-faq .faq-lanes {
  padding: 8px 0 72px;
}

.page-faq .faq-lanes__lede {
  margin: 14px 0 0;
  max-width: 62ch;
  line-height: 1.75;
}

.page-faq .faq-lanes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 34px;
}

.page-faq .faq-lane {
  position: relative;
  padding: 26px 22px 22px 26px;
  background: var(--white-0);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-lane::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--ink-700);
}

.page-faq .faq-lane--fee::before {
  background: linear-gradient(180deg, var(--gold-500), var(--gold-200));
}

.page-faq .faq-lane--scope::before {
  background: var(--celadon-500);
}

.page-faq .faq-lane:hover {
  border-color: var(--gold-500);
  transform: translateY(-2px);
}

.page-faq .faq-lane__index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ink-500);
}

.page-faq .faq-lane__title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-strong);
}

.page-faq .faq-lane__desc {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.75;
}

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

.page-faq .faq-lane__list li {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-lane__list a {
  display: block;
  padding: 11px 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-700);
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-lane__list a:hover {
  color: var(--gold-500);
  padding-left: 6px;
}

.page-faq .faq-lane__more {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 2px solid var(--gold-500);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-lane__more:hover {
  color: var(--coral-500);
  border-color: var(--coral-500);
}

/* ---------- 手机端操作步骤 ---------- */

.page-faq .faq-mobile {
  padding: 60px 0;
  background: var(--ink-100);
}

.page-faq .faq-mobile__lede {
  margin: 14px 0 0;
  max-width: 60ch;
  line-height: 1.75;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-faq .faq-steps__item {
  position: relative;
  padding-left: 54px;
}

.page-faq .faq-steps__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 2px solid var(--ink-700);
  border-radius: 50%;
  background: var(--white-0);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-700);
}

.page-faq .faq-steps__title {
  margin: 4px 0 8px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-strong);
}

.page-faq .faq-steps__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 费用说明 ---------- */

.page-faq .faq-fee {
  padding: 64px 0;
  background: linear-gradient(158deg, var(--ink-900) 0%, var(--ink-700) 100%);
  color: var(--paper-50);
}

.page-faq .faq-fee .section-title {
  color: var(--paper-50);
}

.page-faq .faq-fee__lede {
  margin: 14px 0 0;
  max-width: 64ch;
  color: var(--faq-on-dark);
  line-height: 1.8;
}

.page-faq .faq-fee__tiers {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-fee__tier-item {
  padding: 22px 20px;
  background: var(--faq-glass);
  border: 1px solid var(--faq-glass-line);
  border-radius: var(--radius-md);
}

.page-faq .faq-fee__tier-name {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper-50);
}

.page-faq .faq-fee__price {
  margin: 0 0 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-fee__price .num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--gold-200);
}

.page-faq .faq-fee__unit {
  font-size: 13px;
  color: var(--gold-200);
  opacity: 0.88;
}

.page-faq .faq-fee__tier-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-on-dark);
}

.page-faq .faq-fee__more {
  margin: 30px 0 0;
}

/* ---------- 问答折叠列表 ---------- */

.page-faq .faq-list {
  padding: 68px 0 12px;
}

.page-faq .faq-list__lede {
  margin: 14px 0 0;
  max-width: 62ch;
  line-height: 1.75;
}

.page-faq .faq-list__group {
  margin-top: 42px;
}

.page-faq .faq-list__label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink-500);
}

.page-faq .faq-list__label::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--line);
}

.page-faq .faq-item {
  position: relative;
  margin: 0 0 10px;
  background: var(--white-0);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

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

.page-faq .faq-item:hover {
  border-color: var(--ink-500);
}

.page-faq .faq-item[open] {
  border-color: var(--gold-500);
}

.page-faq .faq-item[open]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gold-500);
}

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 46px 18px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text-strong);
  transition: color var(--dur) var(--ease);
}

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

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--ink-500);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--gold-500);
}

.page-faq .faq-item__q:hover {
  color: var(--ink-700);
}

.page-faq .faq-item__num {
  flex: none;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-500);
}

.page-faq .faq-item__a {
  padding: 0 20px 20px 52px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-body);
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 70ch;
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-fade var(--dur-slow) var(--ease) both;
}

@keyframes faq-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 反馈入口 ---------- */

.page-faq .faq-help {
  padding: 68px 0 24px;
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-faq .faq-help__body p {
  margin: 14px 0 0;
  max-width: 56ch;
  line-height: 1.8;
}

.page-faq .faq-help__points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-faq .faq-help__points li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-help__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--celadon-500);
}

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

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

.page-faq .faq-help__figure .figure__frame {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink-100);
}

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

.page-faq .faq-help__figure .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-500);
}

/* ---------- 术语速查 ---------- */

.page-faq .faq-glossary {
  padding: 40px 0 84px;
}

.page-faq .faq-glossary__lede {
  margin: 14px 0 0;
  max-width: 58ch;
  line-height: 1.75;
}

.page-faq .faq-glossary__tags {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-glossary__tag {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 260px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white-0);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-glossary__tag:hover,
.page-faq .faq-glossary__tag:focus-visible {
  border-color: var(--gold-500);
  background: var(--paper-50);
  transform: translateY(-2px);
}

.page-faq .faq-glossary__term {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-900);
}

.page-faq .faq-glossary__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-body);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 32px;
  }

  .page-faq .faq-fee__tiers {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-lanes__grid {
    grid-template-columns: 5fr 4fr 3fr;
    gap: 22px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 34px 0 84px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-hero h1 {
    font-size: 28px;
  }

  .page-faq .faq-item__q {
    padding: 16px 42px 16px 16px;
    font-size: 15px;
  }

  .page-faq .faq-item__a {
    padding: 0 16px 18px 42px;
    font-size: 14px;
  }

  .page-faq .faq-help__actions .btn {
    width: 100%;
    text-align: center;
  }

  .page-faq .faq-glossary__tag {
    max-width: 100%;
  }
}