.page-faq {
  --faq-cut: 20px;
  background: var(--paper);
  color: var(--ink-950);
  --surface: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-950);
  color: var(--paper);
  --surface: var(--ink-950);
  padding: clamp(24px, 4.5vw, 48px) 0 clamp(38px, 6vw, 74px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(247, 242, 232, 0.07) 0 1px, transparent 1px 28px);
  pointer-events: none;
}

.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
  font-size: 14px;
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--steel);
}

.page-faq .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: rgba(247, 242, 232, 0.4);
}

.page-faq .breadcrumbs a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(247, 242, 232, 0.35);
}

.page-faq .breadcrumbs a:hover {
  color: var(--orange-soft);
  border-color: var(--orange-soft);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-faq .faq-hero .eyebrow {
  color: var(--orange-soft);
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  margin: 0 0 12px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(28px, 4.4vw, 46px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  max-width: 18ch;
}

.page-faq .faq-hero .lead {
  margin: 0 0 22px;
  max-width: 48ch;
  color: rgba(247, 242, 232, 0.82);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 15px;
}

.page-faq .faq-hero__jump a {
  color: var(--paper);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--celadon);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-hero__jump a:hover {
  color: var(--celadon-lift);
  border-color: var(--orange);
}

.page-faq .faq-hero__tasks {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(10px, 1.5vw, 16px);
}

.page-faq .faq-task {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 24px 18px;
  border: 1px solid var(--line-dark);
  background: var(--ink-800);
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-task::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent, var(--orange));
}

.page-faq .faq-task::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: var(--faq-cut);
  height: var(--faq-cut);
  background: var(--ink-950);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-faq .faq-task:hover,
.page-faq .faq-task:focus-visible {
  border-color: var(--orange);
  background: var(--ink-700);
  transform: translateY(-2px);
}

.page-faq .faq-task--celadon {
  --accent: var(--celadon);
}

.page-faq .faq-task__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent, var(--orange));
}

.page-faq .faq-task__title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .faq-task__text {
  font-size: 14px;
  line-height: 1.68;
  color: rgba(247, 242, 232, 0.72);
}

.page-faq .faq-task__go {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange-soft);
  transition: color 0.18s ease;
}

.page-faq .faq-task:hover .faq-task__go {
  color: var(--celadon-lift);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-main {
  background: var(--paper);
  --surface: var(--paper);
  padding: clamp(30px, 4.5vw, 60px) 0 clamp(42px, 6vw, 80px);
}

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

.page-faq .faq-index {
  border-bottom: 1px solid var(--line-light);
  padding-bottom: 14px;
}

.page-faq .faq-index__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--celadon-deep);
  margin: 0 0 10px;
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  list-style: none;
  margin: 0 0 12px;
  padding: 0 0 8px;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 12px;
  border: 1px solid var(--line-light);
  background: var(--paper-2);
  color: var(--ink-950);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--orange);
  background: var(--paper);
  color: var(--orange);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--steel);
}

.page-faq .faq-index__hint {
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
  margin: 0;
}

.page-faq .qa-group {
  scroll-margin-top: 90px;
  margin-bottom: clamp(30px, 4vw, 48px);
}

.page-faq .qa-group__head {
  border-top: 3px solid var(--ink-950);
  padding-top: 14px;
  margin-bottom: 6px;
}

.page-faq .qa-group__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: 8px;
}

.page-faq .qa-group__title {
  margin: 0 0 8px;
  font-size: clamp(21px, 2.6vw, 27px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-faq .qa-group__note {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-faq .faq-figure {
  margin: 18px 0 22px;
  padding: 10px;
  border: 1px solid var(--line-light);
  background: var(--paper-2);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--steel);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line-light);
  border-left: 3px solid transparent;
  padding-left: 12px;
  transition: border-left-color 0.18s ease, background-color 0.18s ease;
}

.page-faq .qa:hover {
  border-left-color: var(--orange);
}

.page-faq .qa[open] {
  border-left-color: var(--celadon);
  background: rgba(79, 184, 166, 0.07);
}

.page-faq .qa summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
}

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

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

.page-faq .qa summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--steel);
}

.page-faq .qa[open] summary::after {
  content: "−";
  color: var(--celadon-deep);
}

.page-faq .qa__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
}

.page-faq .qa__body {
  padding: 0 0 18px 26px;
}

.page-faq .qa__body p {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-800);
}

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

/* ---------- 联系信息 ---------- */
.page-faq .faq-contact {
  margin-top: 22px;
  padding: 18px 20px 20px;
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--celadon);
  background: var(--paper-2);
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-contact__item {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
  font-size: 15px;
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
  min-width: 62px;
}

.page-faq .faq-contact__value {
  font-weight: 700;
  color: var(--ink-950);
  user-select: all;
  -webkit-user-select: all;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 结尾引导 ---------- */
.page-faq .faq-cta {
  position: relative;
  overflow: hidden;
  background: var(--ink-950);
  color: var(--paper);
  --surface: var(--ink-950);
  border: 1px solid var(--line-dark);
  padding: clamp(24px, 4vw, 40px);
}

.page-faq .faq-cta::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 34px;
  height: 34px;
  background: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-faq .faq-cta__grid {
  display: grid;
  gap: 20px;
}

.page-faq .faq-cta__title {
  margin: 0 0 10px;
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 242, 232, 0.78);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 520px) {
  .page-faq .faq-hero__tasks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-cta__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
    align-items: start;
  }
  .page-faq .faq-hero h1 {
    max-width: 15ch;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-index {
    position: sticky;
    top: 84px;
    border-bottom: 0;
    padding-bottom: 0;
  }
  .page-faq .faq-index__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    margin-bottom: 14px;
  }
  .page-faq .faq-index__link {
    width: 100%;
    border-left: 3px solid transparent;
    justify-content: flex-start;
  }
  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--orange);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-task,
  .page-faq .qa,
  .page-faq .faq-index__link,
  .page-faq .faq-hero__jump a,
  .page-faq .faq-task__go {
    transition: none;
  }
  .page-faq .faq-task:hover,
  .page-faq .faq-task:focus-visible {
    transform: none;
  }
}
<<<END>>>