.page-faq {
  --faq-gold-line: rgba(201, 162, 39, 0.34);
  --faq-card-bg: rgba(11, 29, 51, 0.72);
  --faq-card-line: rgba(42, 59, 82, 0.95);
  --faq-axis: 21px;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding: 14px 0 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 44px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(201, 162, 39, 0.07) 1px, transparent 1px);
  background-size: 64px 100%;
  pointer-events: none;
}

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

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 16px;
  font-size: clamp(34px, 7.4vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero .lede {
  max-width: 34em;
  color: var(--on-dark-soft);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--grid);
  background: var(--ink-950);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 520;
  object-fit: cover;
}

.page-faq .faq-hero__media .media__cap {
  display: block;
  padding: 8px 12px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--on-dark-soft);
  border-top: 1px solid var(--grid);
}

/* ---------- 章节目录 ---------- */
.page-faq .faq-navband {
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-nav::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-nav__label {
  flex: 0 0 auto;
  padding-right: 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--on-dark-soft);
  border-right: 1px solid var(--grid);
}

.page-faq .faq-nav a {
  flex: 0 0 auto;
  padding: 6px 11px;
  font-size: 13px;
  text-decoration: none;
  color: var(--on-dark-soft);
  background: rgba(8, 21, 39, 0.55);
  border: 1px solid rgba(42, 59, 82, 0.8);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-nav a:hover,
.page-faq .faq-nav a:focus-visible {
  color: var(--gold-soft);
  border-color: var(--gold);
}

.page-faq .faq-nav a.is-active {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(201, 162, 39, 0.09);
}

/* ---------- 高频刻度 ---------- */
.page-faq .faq-hot {
  padding: 46px 0 50px;
}

.page-faq .hot-list {
  position: relative;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .hot-list::before {
  content: "";
  position: absolute;
  left: var(--faq-axis);
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(201, 162, 39, 0.05));
}

.page-faq .hot-item {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(42, 59, 82, 0.6);
}

.page-faq .hot-item:last-child {
  border-bottom: 0;
}

.page-faq .hot-item__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold);
  background: var(--ink-900);
  border: 1px solid var(--faq-gold-line);
}

.page-faq .hot-item__q {
  margin: 8px 0 6px;
  font-size: 17px;
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .hot-item__a {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--on-dark-soft);
}

/* ---------- 通用问答区块 ---------- */
.page-faq .faq-block {
  padding: 46px 0;
}

.page-faq .faq-block__aside h2 {
  margin: 10px 0 14px;
  font-size: clamp(25px, 4.4vw, 36px);
  line-height: 1.12;
  color: var(--paper);
}

.page-faq .faq-block__aside p {
  margin: 0;
  color: var(--on-dark-soft);
  line-height: 1.75;
}

.page-faq .faq-block__main {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-sub {
  margin: 4px 0 0;
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--gold-soft);
}

.page-faq .faq-note {
  margin: 0;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-dark-soft);
  border-left: 1px solid var(--faq-gold-line);
}

/* ---------- 起订档位卡 ---------- */
.page-faq .moq-cards {
  display: grid;
  gap: 12px;
}

.page-faq .moq-card {
  position: relative;
  padding: 16px 16px 18px;
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-card-line);
  border-top: 3px solid var(--gold);
}

.page-faq .moq-card__num {
  margin: 0;
  font-size: clamp(28px, 5vw, 36px);
  line-height: 1;
  color: var(--gold-soft);
}

.page-faq .moq-card__unit {
  margin: 6px 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--on-dark-soft);
}

.page-faq .moq-card__title {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--paper);
}

.page-faq .moq-card__meta {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-dark-soft);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  background: rgba(5, 13, 24, 0.55);
  border: 1px solid var(--faq-card-line);
}

.page-faq .qa > summary {
  position: relative;
  padding: 15px 46px 15px 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa > summary::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.24s var(--ease);
}

.page-faq .qa[open] > summary::after {
  transform: translateY(-20%) rotate(225deg);
}

.page-faq .qa > summary:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .qa__body {
  padding: 0 16px 16px;
  border-top: 1px solid rgba(42, 59, 82, 0.7);
  padding-top: 12px;
}

.page-faq .qa__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--on-dark-soft);
}

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

.page-faq .tick-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--on-dark-soft);
}

.page-faq .tick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 11px;
  height: 1px;
  background: var(--gold);
}

.page-faq .card .card__tag {
  display: inline-block;
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

/* ---------- 设备场景 ---------- */
.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chips li {
  padding: 6px 12px;
  font-size: 13px;
  color: var(--on-dark);
  background: rgba(8, 21, 39, 0.6);
  border: 1px solid var(--grid);
}

.page-faq .step-list {
  counter-reset: step;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-faq .step-list li {
  counter-increment: step;
  position: relative;
  padding-left: 46px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--on-dark-soft);
}

.page-faq .step-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 32px;
  height: 26px;
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--gold);
  border: 1px solid var(--faq-gold-line);
}

/* ---------- 纸张区块 ---------- */
.page-faq .band--paper {
  color: var(--ink-text);
}

.page-faq .band--paper h2,
.page-faq .band--paper h3 {
  color: var(--ink-text);
}

.page-faq .band--paper .lede,
.page-faq .band--paper p,
.page-faq .band--paper li {
  color: var(--ink-text-soft);
}

.page-faq .band--paper .eyebrow {
  color: #8a6f14;
}

.page-faq .paper-cards {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-faq .paper-card {
  padding: 18px 18px 20px;
  background: #fbf9f3;
  border: 1px solid var(--paper-line);
  box-shadow: var(--shadow-paper);
}

.page-faq .paper-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
}

.page-faq .paper-card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.78;
}

.page-faq .paper-link {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: #8a6f14;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
}

.page-faq .paper-link:hover,
.page-faq .paper-link:focus-visible {
  color: var(--ink-text);
  border-bottom-color: var(--ink-text);
}

/* ---------- 提问入口 ---------- */
.page-faq .faq-ask {
  padding: 46px 0 56px;
}

.page-faq .ask-card {
  display: grid;
  gap: 26px;
  padding: 24px 20px 26px;
  border: 1px solid var(--gold);
  background:
    linear-gradient(140deg, rgba(201, 162, 39, 0.14), rgba(5, 13, 24, 0) 48%),
    var(--ink-900);
}

.page-faq .ask-card h2 {
  margin: 10px 0 14px;
  font-size: clamp(24px, 4.4vw, 34px);
  line-height: 1.14;
  color: var(--paper);
}

.page-faq .ask-card .lede {
  margin: 0 0 18px;
  color: var(--on-dark-soft);
}

.page-faq .ask-card__foot {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--on-dark-soft);
}

.page-faq .ask-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .ask-card__media {
  margin: 0;
  border: 1px solid var(--grid);
  background: var(--ink-950);
}

.page-faq .ask-card__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 960 / 540;
  object-fit: cover;
}

/* ---------- 桌面栅格与刻度轴 ---------- */
@media (min-width: 760px) {
  .page-faq .moq-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 34px 0 56px;
  }

  .page-faq .faq-block {
    padding: 58px 0;
  }

  .page-faq .faq-block__aside {
    position: relative;
    padding-left: 26px;
  }

  .page-faq .faq-block__aside::before {
    content: "";
    position: absolute;
    left: 6px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: linear-gradient(180deg, rgba(201, 162, 39, 0.62), rgba(201, 162, 39, 0.05));
  }

  .page-faq .faq-block__aside::after {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 13px;
    background: repeating-linear-gradient(180deg, var(--gold) 0 1px, transparent 1px 28px);
    opacity: 0.85;
  }

  .page-faq .band--paper .faq-block__aside::before,
  .page-faq .band--paper .faq-block__aside::after {
    display: none;
  }

  .page-faq .band--paper .section__head {
    max-width: 46em;
  }

  .page-faq .hot-item {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 20px;
    padding: 18px 0;
  }

  .page-faq .hot-item__num {
    width: 54px;
    height: 46px;
  }

  .page-faq .hot-list::before {
    left: 27px;
  }

  .page-faq .ask-card {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 34px;
    padding: 34px;
  }
}
<<<END>>>