.page-faq {
  --faq-rail: 266px;
  --faq-gap: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(48px, 7vw, 96px);
  color: var(--text);
}

.page-faq .breadcrumbs {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  padding: clamp(20px, 3.6vw, 40px) 0 clamp(24px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-size: var(--step-4);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--white);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: var(--step-1);
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 4vw, 52px);
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-faq .faq-stat__num {
  font-family: var(--font-num);
  font-size: var(--step-2);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--amber);
}

.page-faq .faq-stat__label {
  font-size: var(--step--1);
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-faq .faq-hero-figure {
  margin: clamp(22px, 3.6vw, 42px) 0 0;
}

/* ---------- layout ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding-top: clamp(26px, 4vw, 52px);
}

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

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .faq-index__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-num);
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-index__coord {
  color: var(--muted);
  letter-spacing: 0.08em;
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--text);
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--hover);
  color: var(--white);
}

.page-faq .faq-index__no {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-faq .faq-index__name {
  font-size: var(--step-0);
  min-width: 0;
}

.page-faq .faq-index__count {
  font-family: var(--font-num);
  font-size: var(--step--1);
  color: var(--muted);
}

.page-faq .faq-index__note {
  margin: 0;
  padding: 14px 16px 16px;
  font-size: var(--step--1);
  line-height: 1.72;
  color: var(--muted);
}

@media (min-width: 960px) {
  .page-faq .faq-index {
    position: sticky;
    top: 78px;
  }
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding-top: clamp(30px, 5vw, 58px);
  scroll-margin-top: 86px;
}

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

@media (min-width: 960px) {
  .page-faq .faq-section {
    scroll-margin-top: 108px;
  }
}

.page-faq .faq-section__lead {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  max-width: 68ch;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 六类总览 ---------- */
.page-faq .faq-cats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

@media (min-width: 620px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-cat {
  display: block;
  padding: 18px 18px 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  text-decoration: none;
  color: inherit;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  background: var(--hover);
  border-right-color: var(--line-strong);
}

.page-faq .faq-cat__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-faq .faq-cat__name {
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.01em;
}

.page-faq .faq-cat__count {
  font-family: var(--font-num);
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--amber);
}

.page-faq .faq-cat__desc {
  display: block;
  margin-top: 10px;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 条目列表 ---------- */
.page-faq .faq-entries {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0 18px;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 720px) {
  .page-faq .faq-entry {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 0 20px;
  }
}

.page-faq .faq-entry__no {
  font-family: var(--font-num);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--amber);
  padding-top: 3px;
}

.page-faq .faq-entry__body {
  min-width: 0;
}

.page-faq .faq-entry__q {
  margin: 0;
  font-size: var(--step-1);
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .faq-entry__a {
  margin: 8px 0 0;
  max-width: 74ch;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 变更说明 ---------- */
.page-faq .faq-change-figure {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
}

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

.page-faq .faq-season {
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 800px) {
  .page-faq .faq-season {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 0 30px;
    padding: 20px 0 22px;
  }
}

.page-faq .faq-season__label {
  margin: 0;
  font-family: var(--font-num);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-season__list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 800px) {
  .page-faq .faq-season__list {
    margin-top: 0;
  }
}

.page-faq .faq-season__item {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: var(--step-0);
  line-height: 1.78;
  color: var(--text);
}

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

.page-faq .faq-season__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 1px;
  background: var(--amber);
}

/* ---------- 自查三步 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line);
}

@media (min-width: 820px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-step {
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 820px) {
  .page-faq .faq-step {
    padding: 22px 24px 26px 0;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-faq .faq-step:last-child {
    border-right: 0;
    padding-right: 0;
  }

  .page-faq .faq-step + .faq-step {
    padding-left: 24px;
  }
}

.page-faq .faq-step__no {
  display: block;
  font-family: var(--font-num);
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.page-faq .faq-step__title {
  margin: 12px 0 0;
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--white);
  line-height: 1.45;
}

.page-faq .faq-step__text {
  margin: 8px 0 0;
  font-size: var(--step-0);
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-top: clamp(20px, 3vw, 32px);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-contact__lead {
  flex: 1 1 380px;
  margin: 0;
  min-width: 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 术语表 ---------- */
.page-faq .faq-glossary {
  border-top: 1px solid var(--line);
}

.page-faq .faq-glossary__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 14px 0 16px;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 760px) {
  .page-faq .faq-glossary__row {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 0 28px;
  }
}

.page-faq .faq-glossary__term {
  font-family: var(--font-num);
  font-size: var(--step-0);
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .faq-glossary__def {
  margin: 0;
  max-width: 74ch;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 下一步 ---------- */
.page-faq .faq-next {
  padding-top: clamp(34px, 5vw, 64px);
}

.page-faq .faq-next__title {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-size: var(--step-2);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--white);
}

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

.page-faq .faq-next__list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0 16px;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 720px) {
  .page-faq .faq-next__list li {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 0 24px;
    align-items: baseline;
  }
}

.page-faq .faq-next__list a {
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  justify-self: start;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-next__list a:hover,
.page-faq .faq-next__list a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--amber);
}

.page-faq .faq-next__list span {
  font-size: var(--step--1);
  line-height: 1.72;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-cat,
  .page-faq .faq-next__list a {
    transition: none;
  }
}