.page-faq {
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  padding-bottom: 72px;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero-wrap {
  padding-top: 22px;
  padding-bottom: 40px;
}

.page-faq .faq-hero {
  position: relative;
  margin-top: 18px;
  padding: 30px 20px 32px;
  border: 2px solid var(--line-cyan);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(63, 240, 216, 0.16), transparent 58%),
    linear-gradient(158deg, rgba(34, 26, 71, 0.9) 0%, rgba(5, 7, 14, 0.94) 62%);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-hero::before,
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--cyan);
  pointer-events: none;
}

.page-faq .faq-hero::before {
  top: -2px;
  left: -2px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .faq-hero::after {
  right: -2px;
  bottom: -2px;
  border-left: 0;
  border-top: 0;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 7.6vw, 62px);
  font-weight: 300;
  line-height: 1.14;
  letter-spacing: 0.01em;
  max-width: 22ch;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-faq .faq-hero__meta .num {
  color: var(--cyan);
  font-size: 15px;
  margin-right: 4px;
}

/* ---------- 主布局：窄索引 + 宽正文 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-faq .faq-rail {
  order: -1;
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-faq .faq-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__list .coord-index__item a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  background: var(--glass);
  color: var(--mist);
  font-size: 12px;
  text-decoration: none;
  transition: color var(--tap) var(--ease), border-color var(--tap) var(--ease);
}

.page-faq .faq-rail__list .coord-index__item a .num {
  color: var(--orange);
  font-size: 12px;
}

.page-faq .faq-rail__list .coord-index__item a:hover,
.page-faq .faq-rail__list .coord-index__item a:focus-visible {
  color: var(--white);
  border-color: var(--line-cyan);
  outline: none;
}

.page-faq .faq-flow {
  display: flex;
  flex-direction: column;
  gap: 40px;
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  position: relative;
  padding: 26px 0 4px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-faq .faq-sec--wine {
  background: linear-gradient(180deg, rgba(59, 12, 34, 0.62) 0%, rgba(59, 12, 34, 0) 78%);
  border-top-color: var(--line-red);
}

.page-faq .faq-sec--teal {
  background: linear-gradient(180deg, rgba(6, 42, 46, 0.7) 0%, rgba(6, 42, 46, 0) 78%);
  border-top-color: rgba(63, 240, 216, 0.28);
}

.page-faq .faq-sec--indigo {
  background: linear-gradient(180deg, rgba(34, 26, 71, 0.72) 0%, rgba(34, 26, 71, 0) 78%);
}

.page-faq .faq-sec__head {
  max-width: 62ch;
}

.page-faq .faq-sec__title {
  margin: 10px 0 0;
  font-size: clamp(23px, 5.4vw, 38px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-faq .faq-sec__title .num {
  color: var(--orange);
}

.page-faq .faq-sec__note {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 编号步骤 ---------- */
.page-faq .steps {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-faq .step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 16px 0 16px 12px;
  border-left: 2px solid var(--line-cyan);
  background: linear-gradient(90deg, rgba(63, 240, 216, 0.05), transparent 65%);
}

.page-faq .step__num {
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
  font-weight: 700;
}

.page-faq .step__body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.005em;
}

.page-faq .step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .steps--wide .step {
  border-left-color: var(--orange);
  background: linear-gradient(90deg, rgba(255, 138, 43, 0.07), transparent 65%);
}

.page-faq .steps--wide .step__num {
  color: var(--orange);
}

/* ---------- 说明面板 ---------- */
.page-faq .note-panel {
  margin-top: 22px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: var(--glass);
}

.page-faq .note-panel--alt {
  border-left-color: var(--indigo);
}

.page-faq .note-panel--warn {
  border-left-color: var(--red);
  background: rgba(255, 46, 77, 0.06);
}

.page-faq .note-panel__title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.page-faq .note-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-footline {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--mist);
}

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

.page-faq .faq-footline a:hover {
  color: var(--white);
}

/* ---------- 规格条 ---------- */
.page-faq .spec-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 24px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .spec-strip__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 15px;
  background: var(--ink-deep);
}

.page-faq .spec-strip__key {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-faq .spec-strip__val {
  font-size: 15px;
  font-weight: 700;
}

/* ---------- 价格切换 ---------- */
.page-faq .price-switch {
  margin-top: 24px;
}

.page-faq .price-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .price-switch__tabs {
  display: flex;
  gap: 1px;
  border: 1px solid var(--line-cyan);
  background: var(--line);
  width: 100%;
}

.page-faq .price-switch__tab {
  flex: 1;
  padding: 13px 8px;
  text-align: center;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--mist);
  background: var(--ink-deep);
  cursor: pointer;
  transition: color var(--tap) var(--ease), background var(--tap) var(--ease);
}

.page-faq #faq-plan-q:checked ~ .price-switch__tabs .price-switch__tab:nth-child(1),
.page-faq #faq-plan-y:checked ~ .price-switch__tabs .price-switch__tab:nth-child(2) {
  background: var(--cyan);
  color: var(--ink);
}

.page-faq .price-switch__input:focus-visible ~ .price-switch__tabs .price-switch__tab {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .price-switch__panel {
  display: none;
  padding: 22px 18px 24px;
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--glass);
}

.page-faq #faq-plan-q:checked ~ .price-switch__panels .price-switch__panel--q,
.page-faq #faq-plan-y:checked ~ .price-switch__panels .price-switch__panel--y {
  display: block;
}

.page-faq .price-switch__price {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.01em;
}

.page-faq .price-switch__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .price-switch__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-faq .price-switch__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--white);
}

.page-faq .price-switch__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-faq .price-switch__list .num {
  color: var(--orange);
}

/* ---------- 图文分割 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 24px;
}

.page-faq .faq-split .steps {
  margin-top: 0;
}

.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-cyan);
  background: var(--ink-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-figure--strip {
  margin-top: 26px;
  max-width: 420px;
}

.page-faq .faq-figure__cap {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.05em;
  color: var(--mist);
}

/* ---------- 导出卡片 ---------- */
.page-faq .export-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}

.page-faq .export-card {
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: var(--glass);
}

.page-faq .export-card--full {
  border-top-color: var(--indigo);
  background: var(--glass-strong);
}

.page-faq .export-card__tag {
  display: inline-block;
}

.page-faq .tag--orange {
  color: var(--orange);
  border-color: rgba(255, 138, 43, 0.4);
}

.page-faq .tag--cyan {
  color: var(--cyan);
  border-color: var(--line-cyan);
}

.page-faq .export-card__title {
  margin: 12px 0 8px;
  font-size: 17px;
  font-weight: 800;
}

.page-faq .export-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .export-card__hint {
  margin-top: 12px !important;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  color: var(--white) !important;
  font-size: 14px !important;
}

.page-faq .mini-steps {
  margin: 14px 0 0;
  padding: 0 0 0 4px;
  list-style: none;
  counter-reset: mini;
}

.page-faq .mini-steps li {
  counter-increment: mini;
  position: relative;
  padding-left: 26px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--mist);
  font-family: var(--font-mono);
}

.page-faq .mini-steps li::before {
  content: counter(mini, decimal-leading-zero);
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 12px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-qa {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 30px 16px 0;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--white);
  cursor: pointer;
  position: relative;
  list-style: none;
}

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

.page-faq .faq-item__q .num {
  color: var(--red);
  font-size: 13px;
  flex: none;
  padding-top: 3px;
}

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--cyan);
  transition: transform var(--tap) var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "−";
}

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--cyan);
  outline: none;
}

.page-faq .faq-item__a {
  padding: 0 0 20px 25px;
  border-left: 2px solid var(--line-cyan);
  margin-left: 2px;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 升级联系 ---------- */
.page-faq .escalate {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 26px;
  padding: 22px 18px;
  border: 2px solid var(--line-cyan);
  background: rgba(63, 240, 216, 0.06);
  box-shadow: var(--shadow-hard);
}

.page-faq .escalate__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
}

.page-faq .escalate__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

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

.page-faq .escalate .btn {
  text-decoration: none;
}

/* ---------- 尾段 ---------- */
.page-faq .faq-tail {
  margin-top: 56px;
}

.page-faq .faq-tail__box {
  padding: 26px 18px 28px;
  border-top: 2px solid var(--orange);
  background: linear-gradient(140deg, rgba(255, 138, 43, 0.09), rgba(5, 7, 14, 0) 62%);
}

.page-faq .faq-tail__title {
  margin: 10px 0 0;
  font-size: clamp(21px, 5vw, 32px);
  font-weight: 800;
  line-height: 1.24;
}

.page-faq .faq-tail__text {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

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

.page-faq .faq-tail__links .btn {
  text-decoration: none;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero-wrap {
    padding-top: 30px;
    padding-bottom: 52px;
  }

  .page-faq .faq-hero {
    padding: 44px 40px 46px;
  }

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

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

  .page-faq .export-card--full {
    grid-column: 1 / -1;
  }

  .page-faq .escalate {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 26px 28px;
  }

  .page-faq .faq-tail__box {
    padding: 34px 36px 36px;
  }

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

/* ---------- 桌面：左索引 / 右正文，中间刻度缝 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 0;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
    order: 0;
    padding-right: 26px;
    border-right: 1px dashed var(--line-cyan);
    align-self: start;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
  }

  .page-faq .faq-rail__list .coord-index__item a {
    width: 100%;
    border-color: transparent;
    background: transparent;
    padding: 9px 8px;
  }

  .page-faq .faq-rail__list .coord-index__item a:hover,
  .page-faq .faq-rail__list .coord-index__item a:focus-visible {
    background: var(--glass);
    border-color: var(--line-cyan);
  }

  .page-faq .faq-flow {
    padding-left: 44px;
    gap: 52px;
  }

  .page-faq .faq-sec {
    padding-top: 32px;
  }

  .page-faq .step {
    grid-template-columns: 62px 1fr;
    gap: 20px;
    padding: 20px 0 20px 18px;
  }

  .page-faq .step__num {
    font-size: 34px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 30px;
    align-items: start;
  }

  .page-faq .faq-figure--strip {
    margin-left: 0;
    max-width: 380px;
  }

  .page-faq .spec-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 1240px) {
  .page-faq .faq-hero {
    padding: 56px 56px 58px;
  }

  .page-faq .faq-flow {
    padding-left: 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 1ms !important;
  }
}
<<<END>>>