.page-faq {
  --faq-paper: #F2EBDD;
  --faq-paper-2: #E8E0CD;
  --faq-ink: #191B22;
  --faq-dim: rgba(25, 27, 34, 0.7);
  --faq-line: rgba(25, 27, 34, 0.16);
  --faq-cut: 14px;
  background: var(--faq-paper);
  color: var(--faq-ink);
  padding: calc(var(--header-h) + 32px) 0 0;
}

.page-faq .faq-inline-link {
  color: var(--green-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--faq-dim);
}

.page-faq .breadcrumbs a {
  color: var(--faq-dim);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover {
  color: var(--faq-ink);
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: rgba(25, 27, 34, 0.35);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 12px 0 clamp(28px, 4vw, 44px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero__tag {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--green-ink);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-hero__tag::before {
  content: "";
  width: 20px;
  height: 3px;
  background: var(--green-ink);
  transform: skewX(-24deg);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(28px, 5.2vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  font-weight: 700;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 50ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.95;
  color: var(--faq-dim);
}

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

.page-faq .faq-hero__quick a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--faq-line);
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.5);
  color: var(--faq-ink);
  font-size: 13.5px;
  text-decoration: none;
}

.page-faq .faq-hero__quick a:hover {
  border-color: var(--green-deep);
  background: rgba(183, 255, 60, 0.24);
}

.page-faq .faq-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--faq-paper-2);
}

.page-faq .faq-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(115deg, rgba(11, 16, 38, 0.16) 0 1px, transparent 1px 8px);
  mix-blend-mode: multiply;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.06);
}

.page-faq .faq-hero__figure {
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
}

.page-faq .faq-hero__figure img {
  aspect-ratio: 14 / 7;
}

/* ---------- 正文骨架 ---------- */
.page-faq .faq-body {
  background: var(--faq-paper);
  padding: clamp(10px, 2vw, 20px) 0 clamp(56px, 8vw, 96px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-faq .faq-index {
  font-size: 14px;
}

.page-faq .faq-index__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--faq-dim);
}

.page-faq .faq-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-line);
  padding-top: 10px;
}

.page-faq .faq-index__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  min-height: 44px;
  padding: 10px 10px;
  border-left: 2px solid transparent;
  color: var(--faq-dim);
  text-decoration: none;
  line-height: 1.5;
}

.page-faq .faq-index__link:hover {
  color: var(--faq-ink);
  background: rgba(25, 27, 34, 0.05);
}

.page-faq .faq-index__link[aria-current="true"] {
  color: var(--faq-ink);
  font-weight: 600;
  border-left-color: var(--green-deep);
  background: var(--faq-paper-2);
}

.page-faq .faq-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--green-ink);
}

.page-faq .faq-index__foot {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--faq-dim);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  padding: clamp(26px, 3.6vw, 42px) 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-group:first-child {
  border-top: none;
  padding-top: 0;
}

.page-faq .faq-group__head {
  margin-bottom: clamp(14px, 2.2vw, 24px);
}

.page-faq .faq-group__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--green-ink);
}

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 8px 0 0;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.3;
  font-weight: 700;
}

.page-faq .faq-group__title::before {
  content: "";
  flex: none;
  width: 18px;
  height: 3px;
  background: var(--green-deep);
  transform: skewX(-24deg) translateY(-4px);
}

.page-faq .faq-group__lead {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--faq-dim);
}

.page-faq .faq-group__items {
  display: grid;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  min-height: 44px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q {
  flex: 1;
  margin: 0;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.7;
  font-weight: 600;
}

.page-faq .faq-item__mark {
  flex: none;
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 5px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--faq-ink);
}

.page-faq .faq-item__mark::before {
  width: 12px;
  height: 1.5px;
}

.page-faq .faq-item__mark::after {
  width: 1.5px;
  height: 12px;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item[open] > summary {
  padding-bottom: 10px;
}

.page-faq .faq-item__body {
  max-width: 70ch;
  padding: 0 0 22px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--faq-dim);
}

.page-faq .faq-item__body p {
  margin: 0 0 12px;
}

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

.page-faq .faq-item--plain {
  border-bottom: none;
  border-left: 3px solid var(--green-deep);
  padding-left: 18px;
  margin-top: clamp(20px, 3vw, 30px);
  background: rgba(255, 255, 255, 0.42);
}

.page-faq .faq-item--plain .faq-item__body {
  padding: 20px 18px 20px 0;
  color: var(--faq-dim);
}

/* ---------- 步骤与状态 ---------- */
.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 12px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 44px;
  line-height: 1.85;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--faq-ink);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 11.5px;
}

.page-faq .faq-steps li::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 30px;
  bottom: -12px;
  width: 1px;
  background: linear-gradient(var(--faq-line), transparent);
  transform: skewX(-9deg);
}

.page-faq .faq-steps li:last-child::after {
  display: none;
}

.page-faq .faq-status {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 16px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--green-deep);
  background: rgba(126, 194, 43, 0.14);
  color: #3a5510;
  font-size: 13.5px;
  line-height: 1.75;
}

.page-faq .faq-status--report {
  border-left-color: var(--yellow);
  background: rgba(255, 197, 61, 0.2);
  color: #6b4b00;
}

.page-faq .faq-status__tag {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  padding-top: 2px;
}

/* ---------- 兼容章节 ---------- */
.page-faq .faq-group__split {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-group__figure {
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
}

.page-faq .faq-group__figure img {
  aspect-ratio: 1 / 1;
}

/* ---------- 联系卡片 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-faq .faq-contact__card {
  padding: 20px;
  border: 1px solid var(--faq-line);
  background: rgba(255, 255, 255, 0.46);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.page-faq .faq-contact__label {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--faq-dim);
}

.page-faq .faq-contact__value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.5;
  word-break: break-all;
  color: var(--faq-ink);
}

.page-faq .faq-contact__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--faq-dim);
}

.page-faq .faq-copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  margin-top: 14px;
  padding: 0 14px;
  border: 1px solid var(--faq-line);
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.6);
  color: var(--faq-ink);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.page-faq .faq-copy:hover {
  border-color: var(--green-deep);
}

.page-faq .faq-copy.is-copied {
  border-color: var(--green-deep);
  background: rgba(183, 255, 60, 0.28);
  color: var(--green-ink);
}

.page-faq .faq-copy:focus-visible,
.page-faq .faq-hero__quick a:focus-visible,
.page-faq .faq-index__link:focus-visible,
.page-faq .faq-inline-link:focus-visible,
.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 820px) {
  .page-faq .faq-group__split {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 240px minmax(0, 1fr);
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-faq .faq-index__list {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: end;
  }
}

@media (max-width: 600px) {
  .page-faq {
    padding-top: calc(var(--header-h) + 20px);
  }

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

  .page-faq .faq-item__body,
  .page-faq .faq-group__lead {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__mark::after {
    transition: none;
  }
}