.page-faq {
  --faq-pad: clamp(18px, 4vw, 40px);
  --faq-block: clamp(32px, 5vw, 60px);
  background: var(--ink-800);
  color: var(--bone);
  padding-bottom: clamp(44px, 8vw, 96px);
}

.page-faq .breadcrumb {
  margin: 18px 0 0;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: 16px;
  border: var(--line);
  background:
    radial-gradient(120% 100% at 88% 0%, rgba(53, 224, 208, 0.10), transparent 58%),
    linear-gradient(160deg, var(--ink-700), var(--ink-800) 62%);
  padding: var(--faq-pad);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 9px;
  background-image: repeating-linear-gradient(to right, var(--stone) 0 1px, transparent 1px 26px);
  opacity: 0.85;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
}

.page-faq .faq-hero__kicker {
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(1.72rem, 5.4vw, 3.05rem);
  line-height: 1.24;
  margin: 0 0 18px;
  color: var(--bone);
}

.page-faq .faq-hero__text {
  margin: 0 0 14px;
  font-size: clamp(0.96rem, 2.2vw, 1.06rem);
  line-height: 1.85;
  color: var(--bone);
  opacity: 0.92;
}

.page-faq .faq-hero__side {
  border: var(--line);
  background: rgba(5, 11, 20, 0.5);
  padding: 18px 20px;
}

.page-faq .faq-hero__side .micro {
  display: block;
  color: var(--haze);
  margin: 0 0 4px;
}

.page-faq .faq-hero__side .micro:not(:first-child) {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--stone);
}

.page-faq .faq-hero__value {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--bone);
}

.page-faq .faq-hero__value--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  font-size: 0.92rem;
  color: var(--cyan);
  word-break: break-all;
}

.page-faq .faq-find {
  margin-top: clamp(24px, 4vw, 36px);
  padding-top: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--stone);
}

.page-faq .faq-find .micro {
  display: block;
  color: var(--haze);
  margin: 0 0 10px;
}

.page-faq .faq-find__input {
  width: 100%;
  box-sizing: border-box;
  background: transparent;
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 13px 16px;
  outline: none;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.page-faq .faq-find__input::placeholder {
  color: var(--haze);
}

.page-faq .faq-find__input:focus {
  border-color: var(--cyan);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-faq .faq-find__hint {
  margin: 10px 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--haze);
}

/* ---------- 主题索引带 ---------- */
.page-faq .faq-index {
  display: flex;
  overflow-x: auto;
  border-bottom: 1px solid var(--stone);
  margin-top: clamp(28px, 5vw, 46px);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  flex: 0 0 auto;
  padding: 15px 18px;
  font-size: 0.88rem;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--bone);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 200ms ease, border-color 200ms ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--stone);
}

.page-faq .faq-index__link[data-active] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-section {
  border-top: 1px solid var(--stone);
  padding-top: var(--faq-block);
  padding-bottom: var(--faq-block);
  scroll-margin-top: 130px;
}

.page-faq .faq-section__no {
  font-family: var(--font-serif);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--clay);
  margin: 0 0 12px;
}

.page-faq .faq-section__head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(1.4rem, 3.6vw, 2.1rem);
  line-height: 1.28;
  margin: 0 0 14px;
  color: var(--bone);
}

.page-faq .faq-section__head h2::after {
  content: "";
  display: block;
  width: 46px;
  height: 1px;
  margin-top: 16px;
  background: var(--cyan);
}

.page-faq .faq-section__intro {
  margin: 0 0 8px;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--haze);
}

.page-faq .faq-section__body {
  margin-top: clamp(18px, 3vw, 28px);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border-left: 1px solid var(--stone);
  padding-left: 16px;
  margin-bottom: 2px;
  transition: border-color 200ms ease, background-color 200ms ease;
  background: linear-gradient(90deg, rgba(16, 35, 58, 0.55), rgba(10, 22, 38, 0));
}

.page-faq .faq-item[open] {
  border-left-color: var(--moss);
  background: linear-gradient(90deg, rgba(16, 35, 58, 0.95), rgba(10, 22, 38, 0));
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  justify-content: space-between;
  cursor: pointer;
  list-style: none;
  padding: 18px 16px 18px 4px;
  transition: color 200ms ease;
}

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

.page-faq .faq-item summary:hover h3,
.page-faq .faq-item summary:focus-visible h3 {
  color: var(--cyan);
}

.page-faq .faq-item__q {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.98rem, 2.4vw, 1.1rem);
  line-height: 1.6;
  margin: 0;
  color: var(--bone);
  transition: color 200ms ease;
}

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 200ms ease, opacity 200ms ease;
}

.page-faq .faq-item__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1px;
}

.page-faq .faq-item__mark::after {
  left: 6px;
  top: 0;
  width: 1px;
  height: 14px;
}

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

.page-faq .faq-item__a {
  padding: 0 24px 22px 4px;
  max-width: 68ch;
}

.page-faq .faq-lead {
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.9;
  font-weight: 700;
  color: var(--bone);
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faq-step;
  margin: 0;
  padding: 0;
}

.page-faq .faq-steps li {
  counter-increment: faq-step;
  position: relative;
  padding-left: 34px;
  margin-bottom: 10px;
  font-size: 0.94rem;
  line-height: 1.9;
  color: var(--bone);
  opacity: 0.9;
}

.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-faq .faq-steps a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--stone);
}

.page-faq .faq-steps a:hover {
  border-bottom-color: var(--cyan);
}

.page-faq .faq-item__anchor {
  display: inline-block;
  margin-top: 6px;
  color: var(--haze);
  text-decoration: none;
  border-bottom: 1px dashed var(--stone);
}

.page-faq .faq-item__anchor:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 图示 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border: 1px solid var(--stone);
  background: linear-gradient(140deg, var(--ink-700), var(--ink-900));
}

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

.page-faq .faq-figure figcaption {
  padding: 11px 15px;
  border-top: 1px solid var(--stone);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--haze);
}

/* ---------- 联系收口 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(30px, 6vw, 64px);
  border: var(--line);
  background:
    linear-gradient(120deg, rgba(16, 35, 58, 0.95), rgba(5, 11, 20, 0.9));
  padding: var(--faq-pad);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 36px);
}

.page-faq .faq-contact .micro {
  display: block;
  color: var(--amber);
  margin: 0 0 12px;
}

.page-faq .faq-contact h2 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(1.24rem, 3.2vw, 1.72rem);
  line-height: 1.32;
  margin: 0 0 14px;
  color: var(--bone);
}

.page-faq .faq-contact__text p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--haze);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-faq .faq-contact__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: var(--bone);
  word-break: break-all;
}

.page-faq .faq-contact__line .micro {
  color: var(--haze);
  margin: 0 0 4px;
}

@media (min-width: 760px) {
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-faq .faq-section {
    display: grid;
    grid-template-columns: minmax(220px, 3fr) minmax(0, 9fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-section__head {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-section__body {
    margin-top: 0;
  }

  .page-faq .faq-section__body--split {
    display: grid;
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: clamp(22px, 3vw, 36px);
    align-items: start;
  }

  .page-faq .faq-figure--aside {
    margin-bottom: 0;
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-item__a {
    padding-right: 40px;
  }
}
<<<END>>>