.page-faq {
  --faq-line: rgba(92, 242, 176, 0.18);
  --faq-line-soft: rgba(143, 182, 165, 0.24);
  --faq-glow: rgba(92, 242, 176, 0.07);
  --faq-ink-soft: rgba(243, 235, 220, 0.84);
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(40px, 7vw, 80px);
}

.page-faq .breadcrumbs {
  padding-top: clamp(14px, 2.5vw, 22px);
  font-family: var(--font-mono);
  font-size: 12.5px;
}

/* ---------- 首屏 ---------- */
.page-faq .page-faq__hero {
  padding-top: clamp(18px, 3vw, 32px);
  position: relative;
}

.page-faq .page-faq__hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 320px;
  background: radial-gradient(120% 90% at 82% 0%, rgba(92, 242, 176, 0.11), transparent 62%);
  pointer-events: none;
}

.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: clamp(26px, 4.5vw, 44px);
  align-items: center;
}

.page-faq .faq-hero__lead h1 {
  margin: 12px 0 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-faq .faq-hero__lead .lede {
  margin: 16px 0 0;
  max-width: 50ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--faq-ink-soft);
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-faq .faq-hero__chips .chip {
  padding: 7px 14px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  background: rgba(92, 242, 176, 0.05);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-hero__chips .chip:hover,
.page-faq .faq-hero__chips .chip:focus-visible {
  background: rgba(92, 242, 176, 0.15);
  border-color: var(--mint);
  color: var(--paper);
}

.page-faq .faq-hero__media {
  position: relative;
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 14px -14px -14px 14px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  pointer-events: none;
}

.page-faq .faq-hero__media figure {
  margin: 0;
  position: relative;
  z-index: 1;
  background: var(--ink-2);
}

/* ---------- 索引 + 答案布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-faq .faq-index {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(14, 42, 34, 0.92), rgba(7, 26, 20, 0.9));
  padding: 18px 16px 20px;
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: idx;
}

.page-faq .faq-index__list li {
  counter-increment: idx;
}

.page-faq .faq-index__list a {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px dashed rgba(143, 182, 165, 0.16);
  color: rgba(243, 235, 220, 0.78);
  font-size: 13.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-faq .faq-index__list li:last-child a {
  border-bottom: 0;
}

.page-faq .faq-index__list a::before {
  content: counter(idx, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--mint);
  padding-top: 2px;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--mint);
}

/* ---------- 章节分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 108px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(38px, 6vw, 68px);
}

.page-faq .faq-group .chapter-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 14px;
  row-gap: 6px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group .chapter__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.6vw, 28px);
  line-height: 1;
  color: var(--amber);
}

.page-faq .faq-group .chapter__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(20px, 3.8vw, 27px);
  line-height: 1.22;
  color: var(--paper);
}

.page-faq .faq-group .chapter__kicker {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-q {
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(14, 42, 34, 0.5), rgba(7, 26, 20, 0.32));
  scroll-margin-top: 108px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-q + .faq-q {
  margin-top: 10px;
}

.page-faq .faq-q[open] {
  border-color: var(--faq-line);
  background: linear-gradient(180deg, rgba(14, 42, 34, 0.94), rgba(7, 26, 20, 0.66));
}

.page-faq .faq-q:target {
  border-color: var(--amber);
  box-shadow: 0 0 0 1px rgba(244, 185, 66, 0.28);
}

.page-faq .faq-q__head {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 20px;
  align-items: baseline;
  gap: 12px;
  padding: 15px 16px;
}

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

.page-faq .faq-q__head::marker {
  content: "";
}

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

.page-faq .faq-q__idx {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--mint);
  padding-top: 3px;
}

.page-faq .faq-q__title {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(15.5px, 2.6vw, 18px);
  line-height: 1.48;
  color: var(--paper);
}

.page-faq .faq-q__mark {
  position: relative;
  width: 16px;
  height: 16px;
  align-self: center;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--mint);
  transition: transform 0.2s ease;
}

.page-faq .faq-q__mark::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-faq .faq-q__mark::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
}

.page-faq .faq-q[open] .faq-q__mark::after {
  transform: translateX(-50%) scaleY(0);
}

.page-faq .faq-q__body {
  padding: 16px 16px 20px;
  border-top: 1px solid var(--faq-line);
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-ink-soft);
}

.page-faq .faq-q__body > * + * {
  margin-top: 14px;
}

.page-faq .faq-q__body p {
  margin: 0;
}

.page-faq .faq-q__body strong {
  color: var(--paper);
  font-weight: 700;
}

/* 编号步骤 */
.page-faq .faq-steps {
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-steps > li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-faq .faq-steps > li::before {
  content: counter(step, decimal-leading-zero);
  min-height: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 21px;
  text-align: center;
  color: var(--mint);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: rgba(92, 242, 176, 0.06);
}

/* 无编号清单 */
.page-faq .faq-plain {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-plain > li {
  position: relative;
  padding-left: 18px;
}

.page-faq .faq-plain > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1.5px;
  background: var(--moss);
}

/* 提示框 */
.page-faq .faq-note {
  margin: 0;
  padding: 12px 14px;
  border-left: 2px solid var(--amber);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(244, 185, 66, 0.07);
  font-size: 14px;
  line-height: 1.72;
  color: rgba(243, 235, 220, 0.86);
}

/* 联系方式 */
.page-faq .faq-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 12px;
  align-items: center;
  padding: 13px 14px;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--radius);
  background: rgba(24, 38, 40, 0.5);
}

.page-faq .faq-contact__label {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--moss);
}

.page-faq .faq-contact__value {
  font-size: 14.5px;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .faq-contact .copy-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
}

/* 移动端示意图 */
.page-faq .faq-mobile-figure {
  margin: 4px 0 0;
  background: var(--slate);
}

/* ---------- 延伸阅读 ---------- */
.page-faq .faq-more {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-more__head .eyebrow {
  font-family: var(--font-serif);
}

.page-faq .faq-more__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(22px, 4.2vw, 32px);
  line-height: 1.2;
}

.page-faq .faq-more__head .lede {
  margin: 10px 0 0;
  max-width: 44ch;
}

.page-faq .faq-more__grid {
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-faq .faq-more-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid rgba(17, 26, 24, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  color: var(--print);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.page-faq .faq-more-card:hover,
.page-faq .faq-more-card:focus-visible {
  border-color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  transform: translateY(-2px);
}

.page-faq .faq-more-card .tag {
  align-self: flex-start;
}

.page-faq .faq-more-card h3 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17.5px;
  line-height: 1.36;
  color: var(--print);
}

.page-faq .faq-more-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(17, 26, 24, 0.72);
}

.page-faq .faq-more-card__go {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: rgba(17, 26, 24, 0.62);
}

/* ---------- 底部行动条 ---------- */
.page-faq .faq-cta__inner {
  display: grid;
  gap: 18px;
  align-items: center;
  padding: clamp(22px, 3.6vw, 32px);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(14, 42, 34, 0.95), rgba(7, 26, 20, 0.72));
}

.page-faq .faq-cta__inner h2 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(20px, 3.6vw, 26px);
  color: var(--paper);
}

.page-faq .faq-cta__inner p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

.page-faq .faq-cta__inner .btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-q__body {
    padding-left: 56px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(36px, 5vw, 64px);
  }

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

  .page-faq .faq-cta__inner .btn {
    justify-self: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
  }
}

@media (max-width: 999px) {
  .page-faq .faq-index {
    border: 0;
    background: transparent;
    padding: 0;
  }

  .page-faq .faq-index__title {
    margin-bottom: 10px;
  }

  .page-faq .faq-index__list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    scrollbar-width: thin;
  }

  .page-faq .faq-index__list li {
    flex: 0 0 auto;
  }

  .page-faq .faq-index__list a {
    grid-template-columns: auto auto;
    gap: 6px;
    padding: 7px 12px;
    border: 1px solid var(--faq-line);
    border-radius: 999px;
    background: rgba(92, 242, 176, 0.05);
    white-space: nowrap;
    font-size: 12.5px;
  }
}

@media (max-width: 520px) {
  .page-faq .faq-hero__media::after {
    display: none;
  }

  .page-faq .faq-q__head {
    grid-template-columns: auto minmax(0, 1fr) 18px;
    gap: 10px;
    padding: 14px 13px;
  }

  .page-faq .faq-q__body {
    padding: 14px 13px 18px;
  }

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

  .page-faq .faq-contact .copy-btn {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q,
  .page-faq .faq-more-card,
  .page-faq .faq-hero__chips .chip,
  .page-faq .faq-q__mark::before,
  .page-faq .faq-q__mark::after {
    transition: none;
  }

  .page-faq .faq-more-card:hover,
  .page-faq .faq-more-card:focus-visible {
    transform: none;
  }
}
<<<END>>>