.page-faq {
  --faq-gap: clamp(18px, 3vw, 32px);
  --faq-veil: rgba(217, 207, 187, 0.55);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(18px, 3vw, 30px) 0 clamp(30px, 5vw, 56px);
  background-color: var(--paper);
  background-image:
    linear-gradient(180deg, rgba(28, 108, 140, 0.08), rgba(244, 239, 228, 0) 64%),
    repeating-linear-gradient(90deg, var(--faq-veil) 0 1px, transparent 1px 96px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 32px);
}

.page-faq .faq-hero__lead {
  max-width: 44ch;
}

.page-faq .faq-hero__lead .bao-h1 {
  margin: 10px 0 0;
  font-size: clamp(31px, 6.4vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__lead .bao-lede {
  margin: 16px 0 0;
  font-size: 16px;
}

/* 快速跳转索引 */
.page-faq .faq-jump {
  align-self: end;
  border: var(--hair);
  background: var(--card);
  box-shadow: 0 1px 0 var(--grid);
}

.page-faq .faq-jump__title {
  margin: 0;
  padding: 10px 14px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  border-bottom: var(--hair);
}

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

.page-faq .faq-jump__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 14px;
  border-top: var(--hair);
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  transition: background var(--ease), padding-left var(--ease), color var(--ease);
}

.page-faq .faq-jump__list li:first-child .faq-jump__link {
  border-top: 0;
}

.page-faq .faq-jump__link .bao-mono {
  font-size: 12px;
  color: var(--legacy);
}

.page-faq .faq-jump__link:hover {
  background: var(--grid);
  padding-left: 20px;
  color: var(--green);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  padding: clamp(34px, 6vw, 74px) 0;
  border-top: var(--hair);
}

.page-faq .faq-section--last {
  padding-bottom: clamp(44px, 7vw, 84px);
}

.page-faq .faq-section__head {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 22px);
  align-items: start;
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-faq .faq-section__index {
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--green-soft);
  transition: color 0.3s ease;
}

.page-faq .faq-section.is-in .faq-section__index {
  color: var(--green);
}

.page-faq .faq-section__head .bao-h2 {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 32px);
  line-height: 1.25;
}

.page-faq .faq-section__cap {
  margin: 8px 0 0;
  max-width: 52ch;
  font-size: 15px;
  color: var(--ink-soft);
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 20px);
  padding: 18px 0 18px 14px;
  border-left: 1px solid var(--grid);
  border-top: var(--hair);
  transition: border-left-color var(--ease), background var(--ease);
}

.page-faq .faq-step:last-child {
  border-bottom: var(--hair);
}

.page-faq .faq-step:hover {
  border-left-color: var(--green);
  background: rgba(63, 107, 48, 0.05);
}

.page-faq .faq-step__num {
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--legacy);
  transition: color var(--ease);
}

.page-faq .faq-step:hover .faq-step__num {
  color: var(--green);
}

.page-faq .faq-step__body .bao-h3 {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.4;
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

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

.page-faq .faq-steps--solo {
  max-width: 760px;
}

/* ---------- 标签组合 ---------- */
.page-faq .faq-tagwrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
}

.page-faq .faq-presets {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-preset {
  border: var(--hair);
  background: var(--card);
  padding: 18px;
  box-shadow: 0 1px 0 var(--grid);
}

.page-faq .faq-preset__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-faq .faq-preset .bao-h3 {
  margin: 0 0 10px;
  font-size: 17px;
}

.page-faq .faq-preset__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 10px;
}

.page-faq .faq-preset p:last-child {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.page-faq .faq-tagdemo {
  border: var(--hair);
  border-left: 3px solid var(--lake);
  background: var(--card);
  padding: 18px;
}

.page-faq .faq-tagdemo__svg {
  display: block;
  width: 100%;
  max-width: 440px;
  height: auto;
}

.page-faq .faq-tagdemo__cap {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.page-faq .faq-note {
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--sand);
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------- 同步说明 ---------- */
.page-faq .faq-syncgrid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-synccard {
  border: var(--hair);
  background: var(--card);
  padding: 18px;
  transition: box-shadow var(--ease), border-color var(--ease);
}

.page-faq .faq-synccard:hover {
  border-color: var(--lake-soft);
  box-shadow: 0 2px 0 var(--lake-soft);
}

.page-faq .faq-synccard__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lake);
}

.page-faq .faq-synccard p:last-child {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

/* ---------- 问答 ---------- */
.page-faq .faq-qafigure {
  margin: 0 0 clamp(18px, 3vw, 26px);
}

.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(14px, 2.4vw, 22px);
}

.page-faq .faq-filters .bao-chip {
  cursor: pointer;
  font-family: inherit;
  background: transparent;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-faq .faq-filters .bao-chip[aria-pressed="true"] {
  background: var(--green);
  border-color: var(--green);
  color: var(--paper);
}

.page-faq .faq-qa {
  border: var(--hair);
  background: var(--card);
}

.page-faq .faq-qa__item {
  border-top: var(--hair);
  border-left: 3px solid transparent;
  transition: border-left-color 0.2s ease, background var(--ease);
}

.page-faq .faq-qa__item:first-child {
  border-top: 0;
}

.page-faq .faq-qa__item[open] {
  border-left-color: var(--green);
  background: rgba(63, 107, 48, 0.04);
}

.page-faq .faq-qa__q {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  list-style: none;
  transition: color var(--ease);
}

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

.page-faq .faq-qa__q::after {
  content: "+";
  flex: none;
  font-family: var(--fr-mono);
  font-size: 17px;
  color: var(--legacy);
  transition: color var(--ease);
}

.page-faq .faq-qa__item[open] .faq-qa__q::after {
  content: "\2212";
  color: var(--green);
}

.page-faq .faq-qa__q:hover {
  color: var(--green);
}

.page-faq .faq-qa__a {
  padding: 0 16px 16px;
  animation: faq-fade 0.2s ease;
}

.page-faq .faq-qa__a p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

@keyframes faq-fade {
  from { opacity: 0; transform: translateY(-3px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 提交问题 ---------- */
.page-faq .faq-submit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
}

.page-faq .faq-submit__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--hair);
}

.page-faq .faq-submit__list li {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: var(--hair);
  font-size: 15px;
  color: var(--ink-soft);
}

.page-faq .faq-submit__k {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--green);
}

.page-faq .faq-submit__side {
  border: var(--hair);
  border-top: 3px solid var(--forest);
  background: var(--card);
  padding: 20px;
}

.page-faq .faq-submit__lead {
  margin: 0 0 16px;
  font-size: 15px;
  color: var(--ink-soft);
}

.page-faq .faq-cta {
  display: inline-block;
  padding: 11px 22px;
  background: var(--green);
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  border: 1px solid var(--green);
  transition: background var(--ease), color var(--ease), transform var(--ease);
}

.page-faq .faq-cta:hover {
  background: var(--forest);
  border-color: var(--forest);
  transform: translateX(2px);
}

/* ---------- 行内链接 ---------- */
.page-faq .faq-inline {
  color: var(--lake);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--ease);
}

.page-faq .faq-inline:hover {
  color: var(--green);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-presets {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-syncgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-submit {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-faq .faq-steps {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
    gap: clamp(24px, 4vw, 48px);
  }

  .page-faq .faq-tagwrap {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-faq .faq-syncgrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-section__head {
    grid-template-columns: 72px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    animation: none !important;
    transition: none !important;
  }
}