.page-faq {
  --faq-paper-shadow: 4px 4px 0 rgba(5, 16, 29, 0.5);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(26px, 5vw, 56px) clamp(20px, 3.4vw, 36px);
  background:
    radial-gradient(120% 92% at 80% 6%, rgba(51, 178, 124, 0.16), transparent 58%),
    radial-gradient(92% 72% at 8% 96%, rgba(255, 122, 47, 0.09), transparent 62%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

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

.page-faq .faq-hero__text .breadcrumb {
  margin-bottom: 16px;
}

.page-faq h1 {
  margin: 0 0 16px;
  max-width: 17ch;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 6.6vw, 3.9rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  max-width: 56ch;
  color: var(--paper);
}

.page-faq .faq-hero__note {
  margin-top: 16px;
  color: var(--sprout);
}

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

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* ---------- 问题索引带 ---------- */
.page-faq .faq-index {
  border-block: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 38, 60, 0.92), rgba(10, 26, 47, 0.42));
}

.page-faq .faq-index__scroll {
  display: flex;
  gap: 10px;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 14px var(--gutter);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: rgba(10, 26, 47, 0.5);
  color: var(--paper);
  font-size: 0.84rem;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 180ms var(--ease), color 180ms var(--ease), background 180ms var(--ease);
}

.page-faq .faq-index__chip:hover,
.page-faq .faq-index__chip:focus-visible {
  border-color: var(--grass);
  background: rgba(51, 178, 124, 0.14);
  color: var(--score);
}

.page-faq .faq-index__chip--go {
  border-style: dashed;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--grass);
}

.page-faq .faq-index__chip:hover .faq-index__num {
  color: var(--sprout);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding-top: clamp(22px, 4vw, 38px);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--anchor) + 16px);
}

.page-faq .faq-group:target {
  animation: faq-group-flash 1.4s var(--ease) 1;
}

@keyframes faq-group-flash {
  0% { background: rgba(51, 178, 124, 0.14); }
  100% { background: transparent; }
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 10px;
}

.page-faq .faq-group__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--grass);
  transition: color 200ms var(--ease);
}

.page-faq .faq-group[data-active] .faq-group__num {
  color: var(--score);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.3rem, 3.1vw, 2rem);
  line-height: 1.2;
  color: var(--paper);
}

.page-faq .faq-group__intro {
  margin: 0;
  max-width: 60ch;
  font-size: 0.92rem;
}

.page-faq .faq-group__items {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--faq-paper-shadow);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--grass);
  transform: translateY(-2px);
}

.page-faq .faq-item[open] {
  border-color: var(--grass);
  box-shadow: 2px 2px 0 rgba(5, 16, 29, 0.5);
  transform: none;
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  align-items: start;
  padding: 16px 18px 14px;
  list-style: none;
  cursor: pointer;
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.75;
  letter-spacing: 0.14em;
  color: var(--grass);
  transform-origin: left center;
  transition: transform 180ms var(--ease), color 180ms var(--ease);
}

.page-faq .faq-item:hover .faq-item__num {
  transform: scale(1.38);
  color: var(--sprout);
}

.page-faq .faq-item__q {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.02rem;
  line-height: 1.42;
  color: var(--paper);
}

.page-faq .faq-item__verdict {
  grid-column: 2;
  padding-left: 10px;
  border-left: 2px solid rgba(51, 178, 124, 0.38);
  font-size: 0.875rem;
  line-height: 1.62;
  color: var(--muted);
}

.page-faq .faq-item > summary::after {
  content: "展开";
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: 8px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.22em;
  color: var(--sprout);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  content: "收起";
}

.page-faq .faq-item > summary:hover::after,
.page-faq .faq-item > summary:focus-visible::after {
  color: var(--score);
  border-color: var(--score);
}

.page-faq .faq-item__body {
  margin: 0 18px 18px;
  padding: 2px 0 2px 18px;
  border-left: 2px solid var(--grass);
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
  max-width: 68ch;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--paper);
}

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

/* ---------- 答案里的步骤与高亮 ---------- */
.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 10px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps > li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  font-size: 0.92rem;
  line-height: 1.66;
  color: var(--paper);
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep);
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  background: var(--score);
  color: var(--deep);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  line-height: 1;
}

.page-faq .faq-hl {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--score);
  word-break: break-word;
}

/* ---------- 联络区 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  margin-top: 22px;
}

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

.page-faq .faq-contact__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

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

.page-faq .faq-contact__list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 5px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: clamp(0.98rem, 2.4vw, 1.12rem);
  font-weight: 600;
  color: var(--paper);
  text-decoration: none;
  word-break: break-word;
  transition: color 180ms var(--ease);
}

.page-faq a.faq-contact__value:hover,
.page-faq a.faq-contact__value:focus-visible {
  color: var(--odds);
  text-decoration: underline;
}

.page-faq .faq-contact__hint {
  font-size: 0.86rem;
  line-height: 1.62;
  color: var(--muted);
  max-width: 46ch;
}

.page-faq .faq-contact__cta {
  margin: 22px 0 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-group__items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 28px;
  }

  .page-faq .faq-contact__row:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
  }

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

@media (min-width: 1200px) {
  .page-faq .faq-group__items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__num,
  .page-faq .faq-item > summary::after,
  .page-faq .faq-contact__value,
  .page-faq .faq-index__chip,
  .page-faq .faq-group__num {
    transition: none;
  }

  .page-faq .faq-item:hover {
    transform: none;
  }

  .page-faq .faq-item:hover .faq-item__num {
    transform: none;
  }

  .page-faq .faq-group:target {
    animation: none;
  }
}