.page-faq {
  --faq-line: rgba(138, 150, 143, .3);
  --faq-q: clamp(1.05rem, 2.4vw, 1.4rem);

  position: relative;
  background: var(--night);
  color: var(--bone);
  overflow-x: clip;
  padding-bottom: clamp(2rem, 6vw, 4rem);
}

.page-faq [id] {
  scroll-margin-top: 1.5rem;
}

.page-faq .section {
  position: relative;
  padding: clamp(2.5rem, 7vw, 4.5rem) 0;
  overflow: hidden;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-top: clamp(1.25rem, 3vw, 2rem);
  padding-bottom: clamp(2rem, 5vw, 3rem);
  background:
    radial-gradient(110% 80% at 12% 0%, rgba(201, 242, 77, .09), transparent 62%),
    var(--night);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: 1.25rem;
}

.page-faq .faq-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 9vw, 5rem);
  line-height: .92;
  letter-spacing: -.03em;
  margin: .5rem 0 1rem;
  color: var(--bone);
}

.page-faq .faq-lede {
  max-width: 52ch;
  color: rgba(241, 238, 227, .84);
}

.page-faq .faq-hero-media {
  margin: 0;
  border: 2px solid var(--edge);
  box-shadow: var(--shadow-hard);
  background: var(--moss);
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.88) contrast(1.04);
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: end;
  }
}

/* ---------- 快速索引 ---------- */

.page-faq .faq-index-nav {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  border-top: 1px solid var(--faq-line);
  padding-top: 1.25rem;
}

.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-faq .faq-index a {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  padding: .55rem .9rem;
  border: 2px solid rgba(138, 150, 143, .4);
  background: rgba(28, 68, 56, .55);
  color: var(--bone);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: .95rem;
  letter-spacing: .01em;
  transition:
    transform .18s var(--ease-out),
    border-color .18s var(--ease-out),
    box-shadow .18s var(--ease-out),
    color .18s var(--ease-out);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-index .num {
  color: var(--gold);
  font-size: .8rem;
}

/* ---------- 区块标题 ---------- */

.page-faq .faq-block-head {
  display: grid;
  gap: .55rem;
  max-width: 64ch;
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
  padding-top: 1.25rem;
  border-top: 2px solid var(--faq-line);
}

.page-faq .faq-block-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.8vw, 2.6rem);
  line-height: 1.04;
  letter-spacing: -.02em;
  margin: 0;
  color: var(--bone);
}

.page-faq .faq-block-note {
  margin: 0;
  color: var(--stone);
  font-size: .95rem;
  line-height: 1.7;
}

/* ---------- 问答列表 ---------- */

.page-faq .faq-list {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-item {
  border-top: 1px solid var(--faq-line);
  transition: background-color .2s var(--ease-out);
}

.page-faq .faq-item[open] {
  background: rgba(28, 68, 56, .28);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: .8rem;
  padding: 1.1rem .35rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--faq-q);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--bone);
  transition: color .2s var(--ease-out);
}

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

.page-faq .faq-q:hover {
  color: var(--lime);
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-faq .faq-dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: .42em;
  background: var(--lime);
  transition:
    background-color .2s var(--ease-out),
    transform .25s var(--ease-out);
}

.page-faq .faq-item[open] .faq-dot {
  background: var(--gold);
  transform: rotate(45deg);
}

.page-faq .faq-a {
  padding: 0 .35rem 1.3rem 2rem;
  color: rgba(241, 238, 227, .82);
  font-size: .98rem;
  line-height: 1.75;
}

.page-faq .faq-a p {
  margin: 0 0 .7rem;
  max-width: 64ch;
}

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

.page-faq .faq-code {
  font-family: var(--font-numeric);
  font-size: .9em;
  padding: .08em .45em;
  background: rgba(138, 150, 143, .18);
  border-bottom: 1px solid var(--faq-line);
  color: var(--bone);
  white-space: nowrap;
}

@media (min-width: 880px) {
  .page-faq .faq-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
    column-gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
  }

  .page-faq .faq-q {
    padding: 1.5rem .5rem 1.5rem 0;
  }

  .page-faq .faq-a {
    padding: 1.5rem 0 1.5rem 1.5rem;
    border-left: 1px solid var(--faq-line);
  }
}

/* ---------- 更新节奏 ---------- */

.page-faq .faq-block--rhythm {
  background-color: var(--pine);
  background-image: repeating-linear-gradient(
    112deg,
    rgba(138, 150, 143, .055) 0 1px,
    transparent 1px 24px
  );
}

.page-faq .rhythm-grid {
  display: grid;
  gap: 1rem;
}

.page-faq .faq-rhythm-card {
  padding: 1.35rem 1.2rem 1.5rem;
  background: rgba(10, 26, 43, .55);
  border: 1px solid var(--faq-line);
  border-top: 3px solid var(--gold);
  transition:
    transform .2s var(--ease-out),
    border-color .2s var(--ease-out),
    box-shadow .2s var(--ease-out);
}

.page-faq .faq-rhythm-card:hover {
  transform: translateY(-4px);
  border-color: var(--edge);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-rhythm-card:nth-child(2),
.page-faq .faq-rhythm-card:nth-child(4) {
  border-top-color: var(--lime);
}

.page-faq .faq-rhythm-card .tag {
  margin-bottom: .9rem;
}

.page-faq .faq-rhythm-num {
  display: block;
  font-family: var(--font-numeric);
  font-size: clamp(1.35rem, 3.4vw, 1.8rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--lime);
  margin-bottom: .5rem;
}

.page-faq .faq-rhythm-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: .01em;
  margin: 0 0 .5rem;
  color: var(--bone);
}

.page-faq .faq-rhythm-card p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: rgba(241, 238, 227, .74);
}

@media (min-width: 640px) {
  .page-faq .rhythm-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-faq .rhythm-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 勘误流程 ---------- */

.page-faq .faq-block--erratum {
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(201, 242, 77, .1), transparent 58%),
    var(--night);
}

.page-faq .erratum-track {
  display: flex;
  align-items: stretch;
  gap: .75rem;
  overflow-x: auto;
  padding: .5rem .25rem 1.25rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-faq .erratum-track:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}

.page-faq .erratum-step {
  flex: 0 0 auto;
  width: min(78vw, 262px);
  scroll-snap-align: start;
  padding: 1.1rem 1.05rem 1.25rem;
  background: var(--moss);
  border: 2px solid rgba(138, 150, 143, .38);
  transition:
    border-color .2s var(--ease-out),
    transform .2s var(--ease-out);
}

.page-faq .erratum-step:hover,
.page-faq .erratum-step:focus-within {
  border-color: var(--lime);
  transform: translateY(-4px);
}

.page-faq .erratum-index {
  display: block;
  font-family: var(--font-numeric);
  font-size: .8rem;
  letter-spacing: .14em;
  color: var(--gold);
  margin-bottom: .7rem;
}

.page-faq .erratum-step h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: .01em;
  margin: 0 0 .5rem;
  color: var(--bone);
}

.page-faq .erratum-step p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  color: rgba(241, 238, 227, .76);
}

.page-faq .erratum-arrow {
  flex: 0 0 auto;
  align-self: center;
  font-family: var(--font-numeric);
  font-size: 1.35rem;
  color: var(--lime);
}

.page-faq .faq-erratum-media {
  max-width: 640px;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0 auto;
  border: 2px solid var(--faq-line);
  box-shadow: var(--shadow-soft);
  background: var(--moss);
}

.page-faq .faq-erratum-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-erratum-caption {
  padding: .9rem 1rem 1rem;
  font-size: .88rem;
  line-height: 1.65;
  color: var(--stone);
}

@media (min-width: 900px) {
  .page-faq .erratum-track {
    overflow: visible;
    padding-bottom: .5rem;
  }

  .page-faq .erratum-step {
    flex: 1 1 0;
    width: auto;
    min-width: 0;
  }
}

/* ---------- 联系渠道 ---------- */

.page-faq .faq-block--contact {
  background: linear-gradient(180deg, var(--pine) 0%, var(--night) 100%);
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 1.25rem;
}

.page-faq .faq-contact-card {
  display: grid;
  gap: .6rem;
  align-content: start;
  padding: clamp(1.25rem, 3vw, 1.75rem);
}

.page-faq .faq-contact-card .tag {
  justify-self: start;
}

.page-faq .faq-contact-card .contact-label {
  margin: 0;
}

.page-faq .faq-contact-card .contact-value {
  margin: 0;
  font-family: var(--font-numeric);
  font-size: clamp(1.02rem, 2.6vw, 1.3rem);
  letter-spacing: -.01em;
  color: var(--lime);
  word-break: break-all;
}

.page-faq .faq-contact-card .contact-note {
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  color: rgba(241, 238, 227, .74);
}

.page-faq .faq-contact-more {
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--faq-line);
  max-width: 68ch;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-faq .faq-contact-more a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 242, 77, .45);
  transition: border-color .18s var(--ease-out);
}

.page-faq .faq-contact-more a:hover {
  border-bottom-color: var(--lime);
}

@media (min-width: 820px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
<<<END>>>