.page-faq {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-faq a:focus-visible,
.page-faq button:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--rust);
  outline-offset: 3px;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 4vw, 44px) 0 clamp(56px, 7vw, 84px);
  overflow: hidden;
  background: var(--cream);
}

.page-faq .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-faq .crumb a {
  color: var(--green-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
}

.page-faq .crumb a:hover {
  color: var(--rust-deep);
  border-bottom-color: var(--rust);
}

.page-faq .crumb .crumb__sep {
  color: var(--stone);
}

.page-faq .eyebrow {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--rust);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  max-width: 16em;
  font-size: clamp(1.9rem, 4.6vw, 3.1rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-hero__intro {
  margin: 16px 0 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 18px 9px 14px;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
  transition: background 0.18s ease, color 0.18s ease;
}

.page-faq .faq-jump__link .mono {
  font-size: 12px;
  font-weight: 700;
  color: var(--rust);
  transition: color 0.18s ease;
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  background: var(--green);
  color: var(--ink-soft);
}

.page-faq .faq-jump__link:hover .mono,
.page-faq .faq-jump__link:focus-visible .mono {
  color: var(--ink-soft);
}

.page-faq .faq-hero__track {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  width: 100%;
  height: 42px;
  color: rgba(193, 68, 14, 0.32);
  pointer-events: none;
}

/* ---------- 答题区 ---------- */
.page-faq .faq-body {
  padding: clamp(8px, 2vw, 20px) 0 clamp(40px, 6vw, 72px);
  background: var(--cream);
}

.page-faq .faq-body__title {
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

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

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 16px);
  margin-bottom: clamp(26px, 4vw, 42px);
  background: var(--white);
  box-shadow: 0 10px 24px rgba(28, 31, 30, 0.07);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

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

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 14px;
  align-items: center;
  padding: 15px 34px 15px 18px;
  background: var(--paper);
  clip-path: polygon(0 0, 100% 0, calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-group__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-size: clamp(1.45rem, 3vw, 1.95rem);
  font-weight: 700;
  line-height: 1;
  color: var(--rust);
}

.page-faq .faq-group__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--ink);
}

.page-faq .faq-group__role {
  grid-column: 2;
  grid-row: 2;
  margin: 4px 0 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--stone);
}

.page-faq .qa {
  position: relative;
  border-bottom: 1px solid var(--hairline);
  background: var(--white);
}

.page-faq .qa:last-child {
  border-bottom: 0;
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--rust);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.2s ease;
}

.page-faq .qa[open]::before {
  transform: scaleY(1);
}

.page-faq .qa__q {
  display: block;
  position: relative;
  padding: 15px 46px 15px 18px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: color 0.18s ease;
}

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

.page-faq .qa__q::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--rust);
  transition: transform 0.2s ease;
}

.page-faq .qa[open] .qa__q {
  color: var(--rust-deep);
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
  transform: translateY(-50%) rotate(180deg);
}

.page-faq .qa:hover .qa__q {
  color: var(--rust-deep);
}

.page-faq .qa__a {
  padding: 0 24px 16px 18px;
  animation: faqAnswerIn 0.2s ease-out;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 38em;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .qa__a a {
  color: var(--green-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
}

.page-faq .qa__a a:hover {
  color: var(--rust-deep);
  border-bottom-color: var(--rust);
}

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

/* ---------- 侧栏速查 ---------- */
.page-faq .faq-aside {
  min-width: 0;
}

.page-faq .faq-aside__sticky {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-faq .quick-card {
  padding: 22px 20px 20px;
  background: var(--ink-soft);
  color: var(--cream);
  clip-path: var(--cut);
  box-shadow: 0 16px 30px rgba(28, 31, 30, 0.18);
}

.page-faq .quick-card__eyebrow {
  margin: 0;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.page-faq .quick-card__title {
  margin: 8px 0 0;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--cream);
}

.page-faq .quick-card__list {
  margin: 16px 0 18px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.page-faq .quick-card__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--hairline-light);
}

.page-faq .quick-card__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .quick-card__num {
  padding-top: 2px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .quick-card__k {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: rgba(246, 241, 228, 0.66);
}

.page-faq .quick-card__v {
  display: block;
  margin-top: 2px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--cream);
}

.page-faq .copy-status {
  min-height: 1.2em;
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--cyan);
}

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

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

.page-faq .faq-aside__media .media__cap {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-closing {
  position: relative;
  margin-top: 28px;
  padding: clamp(40px, 6vw, 68px) 0 clamp(44px, 6vw, 72px);
  background: var(--paper);
}

.page-faq .faq-closing::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -26px;
  height: 26px;
  background: var(--paper);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-faq .faq-closing__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}

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

.page-faq .faq-closing__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-faq .faq-closing__media .media__cap {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-faq .faq-closing__title {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--ink);
}

.page-faq .faq-closing__text p {
  margin: 12px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-closing__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 24px;
}

.page-faq .faq-closing__textlink {
  font-size: 14px;
  font-weight: 600;
  color: var(--green-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(35, 87, 47, 0.35);
}

.page-faq .faq-closing__textlink:hover {
  color: var(--rust-deep);
  border-bottom-color: var(--rust);
}

/* ---------- 断点 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-hero__intro {
    font-size: 16px;
  }

  .page-faq .qa__q {
    font-size: 16px;
    padding: 16px 50px 16px 22px;
  }

  .page-faq .qa__a {
    padding: 0 150px 18px 22px;
  }

  .page-faq .qa__q::after {
    right: 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 0 clamp(20px, 3vw, 48px);
    align-items: start;
  }

  .page-faq .faq-aside__sticky {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-closing__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(24px, 4vw, 56px);
  }
}

@media (min-width: 1200px) {
  .page-faq .qa__a {
    padding-right: 220px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}