.page-faq {
  --faq-rail: 288px;
  background: var(--cream);
  color: var(--charcoal);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--moss);
}

.page-faq .breadcrumb a {
  color: var(--moss);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s ease, color .18s ease;
}

.page-faq .breadcrumb a:hover {
  color: var(--ink-green);
  border-bottom-color: var(--lime);
}

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

/* 首屏 */
.page-faq .faq-hero {
  padding: 18px 0 46px;
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7.4vw, 52px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--ink-green);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--moss);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px 9px 12px;
  border: 1px solid var(--line-soft);
  background: var(--warm-white);
  color: var(--ink-green);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: background-color .16s ease, border-color .16s ease;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: var(--lime-wash);
  border-color: var(--ink-green);
}

.page-faq .faq-jump .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--moss);
}

.page-faq .faq-hero__panel {
  position: relative;
  background: var(--ink-green);
  padding: 24px 20px 30px;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-hero__panel-title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq .faq-path {
  display: block;
  width: 100%;
  max-width: 366px;
  height: auto;
}

.page-faq .faq-hero__panel-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(251, 248, 241, .74);
}

/* 现象分类块 */
.page-faq .faq-blocks {
  padding-bottom: 4px;
}

.page-faq .faq-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  padding: 32px 0;
  border-top: 1px solid var(--cool-grey);
  scroll-margin-top: 96px;
}

.page-faq .faq-block__num {
  display: block;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-faq .faq-block__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 5vw, 29px);
  line-height: 1.28;
  letter-spacing: -.02em;
  color: var(--ink-green);
}

.page-faq .faq-block__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--moss);
}

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

/* 折叠问答 */
.page-faq .qa {
  border-top: 1px solid var(--line-soft);
  border-left: 3px solid transparent;
  padding-left: 14px;
  transition: border-color .16s ease, background-color .16s ease;
}

.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa[open] {
  border-left-color: var(--lime);
  background: var(--warm-white);
}

.page-faq .qa summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 15px 30px 15px 0;
  font-family: var(--font-text);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink-green);
  transition: color .16s ease;
}

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

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--moss);
}

.page-faq .qa[open] summary::after {
  content: "–";
  color: var(--ink-green);
}

.page-faq .qa summary:hover {
  color: var(--signal);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-faq .qa[open] summary {
  padding-bottom: 8px;
}

.page-faq .qa__body {
  padding: 0 26px 18px 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--charcoal);
}

.page-faq .qa__body p {
  margin: 0 0 10px;
}

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

.page-faq .qa__body a {
  color: var(--ink-green);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
}

/* 步骤清单 */
.page-faq .faq-steps {
  counter-reset: st;
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
}

.page-faq .faq-steps li {
  counter-increment: st;
  position: relative;
  padding-left: 38px;
  margin: 0 0 11px;
  font-size: 15px;
  line-height: 1.8;
}

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

.page-faq .faq-steps li::before {
  content: counter(st, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--moss);
}

/* 提交模板 */
.page-faq .faq-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
  padding: 16px 16px 16px 18px;
  background: var(--lime-wash);
  border-left: 3px solid var(--lime);
}

.page-faq .faq-copy__label {
  flex: 1 1 100%;
  margin: 0;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-faq .faq-copy__text {
  flex: 1 1 210px;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--charcoal);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 24px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

/* 处理时效通栏 */
.page-faq .faq-band {
  background: var(--ink-green);
  color: var(--warm-white);
  padding: 48px 0 52px;
  margin-top: 18px;
}

.page-faq .faq-band h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 5vw, 34px);
  line-height: 1.25;
  letter-spacing: -.02em;
  color: var(--warm-white);
}

.page-faq .faq-band__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 30px;
}

.page-faq .faq-band__item {
  border-top: 2px solid var(--lime);
  padding-top: 15px;
}

.page-faq .faq-band__item .mono {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: -.01em;
  color: var(--lime);
}

.page-faq .faq-band__item p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(251, 248, 241, .78);
}

.page-faq .faq-band__foot {
  margin: 30px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(251, 248, 241, .72);
}

/* 收尾 */
.page-faq .faq-help {
  padding-top: 48px;
  padding-bottom: 64px;
}

.page-faq .faq-help h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.8vw, 32px);
  line-height: 1.25;
  letter-spacing: -.02em;
  color: var(--ink-green);
}

.page-faq .faq-help p {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--moss);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-help__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 26px 0 0;
  font-size: 14px;
}

.page-faq .faq-help__links a {
  color: var(--ink-green);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 2px;
  transition: border-color .18s ease;
}

.page-faq .faq-help__links a:hover {
  border-bottom-color: var(--lime);
}

@media (min-width: 880px) {
  .page-faq .faq-hero {
    padding: 26px 0 60px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 52px;
    align-items: center;
  }

  .page-faq .faq-hero__panel {
    padding: 30px 30px 40px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 36px), 0 100%);
  }

  .page-faq .faq-block {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 56px;
    padding: 46px 0;
  }

  .page-faq .faq-block__title {
    font-size: 27px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-band__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
  }
}

@media (max-width: 420px) {
  .page-faq .qa__body {
    padding-right: 10px;
  }

  .page-faq .faq-jump a {
    width: 100%;
    justify-content: flex-start;
  }
}