.page-faq {
  --faq-rail: 52px;
  background: var(--lx-ink);
  color: var(--lx-white);
  overflow-x: hidden;
}

.page-faq * {
  box-sizing: border-box;
}

/* ===== 首屏 ===== */
.page-faq .faq-hero {
  padding: clamp(20px, 4vw, 36px) 0 clamp(44px, 7vw, 84px);
  background:
    radial-gradient(90% 70% at 88% 0%, rgba(39, 227, 194, 0.16), transparent 62%),
    linear-gradient(180deg, var(--lx-ink-deep) 0%, var(--lx-ink) 100%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--lx-font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.4vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.015em;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--lx-mist);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__panel {
  background: var(--lx-paper);
  color: var(--lx-brown);
  border-radius: var(--lx-r-lg);
  border: 1px solid rgba(42, 29, 24, 0.12);
  padding: clamp(20px, 3vw, 30px);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.38);
}

.page-faq .faq-hero__panel .lx-btn {
  margin-top: 18px;
}

/* 两步排障 */
.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: var(--faq-rail) minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 22px;
}

.page-faq .faq-step:last-of-type {
  padding-bottom: 4px;
}

.page-faq .faq-step:not(:last-of-type)::before {
  content: "";
  position: absolute;
  left: calc(var(--faq-rail) / 2 - 1px);
  top: 46px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--lx-cyan), rgba(39, 227, 194, 0.16));
}

.page-faq .faq-step__num {
  font-family: var(--lx-font-mono);
  font-weight: 700;
  font-size: clamp(24px, 4.4vw, 32px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--lx-red);
}

.page-faq .faq-step__title {
  margin: 0;
  font-family: var(--lx-font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.4vw, 22px);
  letter-spacing: 0.01em;
}

.page-faq .faq-check {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-check label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(42, 29, 24, 0.82);
  cursor: pointer;
}

.page-faq .faq-check input {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1.5px solid rgba(42, 29, 24, 0.4);
  border-radius: 6px;
  background: var(--lx-white);
  cursor: pointer;
  transition: background 0.18s var(--lx-ease), border-color 0.18s var(--lx-ease);
}

.page-faq .faq-check input:checked {
  background: var(--lx-cyan);
  border-color: var(--lx-cyan);
}

.page-faq .faq-check input:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--lx-ink);
  border-bottom: 2px solid var(--lx-ink);
  transform: rotate(42deg);
}

.page-faq .faq-check input:focus-visible {
  outline: 2px solid var(--lx-amber);
  outline-offset: 2px;
}

/* 首屏插图 */
.page-faq .faq-hero__figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

.page-faq .lx-figure__media {
  overflow: hidden;
  border-radius: var(--lx-r-lg);
  border: 1px solid var(--lx-line);
  background: var(--lx-char);
}

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

.page-faq .lx-figure__cap {
  margin: 12px 0 0;
  font-family: var(--lx-font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--lx-moss);
}

/* ===== 分类导航 ===== */
.page-faq .faq-toc {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(7, 30, 26, 0.94);
  border-top: 1px solid var(--lx-line);
  border-bottom: 1px solid var(--lx-line);
  backdrop-filter: blur(12px);
}

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

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

.page-faq .faq-toc__link {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: var(--lx-r-pill);
  border: 1px solid var(--lx-line-strong);
  color: var(--lx-mist);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--lx-ease), background 0.18s var(--lx-ease), border-color 0.18s var(--lx-ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--lx-ink);
  background: var(--lx-cyan);
  border-color: var(--lx-cyan);
}

/* ===== 章节通用 ===== */
.page-faq .faq-section {
  padding: clamp(52px, 7vw, 100px) 0;
}

.page-faq .faq-section--paper {
  background: var(--lx-paper);
  color: var(--lx-brown);
}

.page-faq .faq-section--panel {
  background: var(--lx-char);
  color: var(--lx-white);
}

.page-faq .faq-section--ink {
  background: var(--lx-ink-deep);
  color: var(--lx-white);
}

.page-faq .faq-sec__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-sec__num {
  font-family: var(--lx-font-mono);
  font-weight: 700;
  font-size: clamp(20px, 3.4vw, 30px);
  letter-spacing: 0.04em;
  color: var(--lx-red);
}

.page-faq .faq-section--panel .faq-sec__num,
.page-faq .faq-section--ink .faq-sec__num {
  color: var(--lx-cyan);
}

.page-faq .faq-sec__head .lx-h2 {
  margin: 0;
  font-family: var(--lx-font-display);
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-faq .faq-section--paper .faq-sec__head .lx-h2 {
  color: var(--lx-brown);
}

.page-faq .faq-sec__head .lx-lede {
  margin: 12px 0 0;
  max-width: 42em;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.85;
  color: inherit;
  opacity: 0.78;
}

.page-faq .lx-prose {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .faq-section--paper .lx-prose {
  color: rgba(42, 29, 24, 0.82);
}

.page-faq .faq-section--ink .lx-prose,
.page-faq .faq-section--panel .lx-prose {
  color: rgba(248, 251, 248, 0.82);
}

.page-faq .lx-prose a {
  color: var(--lx-red);
}

.page-faq .faq-section--ink .lx-prose a {
  color: var(--lx-cyan);
}

/* 分栏 */
.page-faq .faq-split {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

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

/* 要点列表 */
.page-faq .faq-points {
  list-style: none;
  margin: 18px 0 26px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-points li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--lx-cyan);
}

.page-faq .faq-section--paper .faq-points li {
  color: rgba(42, 29, 24, 0.84);
}

.page-faq .faq-section--paper .faq-points li::before {
  background: var(--lx-red);
}

.page-faq .faq-section--ink .faq-points li {
  color: rgba(248, 251, 248, 0.84);
}

/* 索引行 */
.page-faq .faq-rows {
  border-top: 1px solid var(--lx-line);
}

.page-faq .faq-rows .lx-index__row {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--lx-line);
}

.page-faq .lx-index__key {
  font-family: var(--lx-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lx-cyan);
}

.page-faq .lx-index__val {
  font-size: 15px;
  line-height: 1.75;
  color: var(--lx-mist);
}

.page-faq .faq-section--paper .faq-rows {
  border-top-color: rgba(42, 29, 24, 0.2);
}

.page-faq .faq-section--paper .faq-rows .lx-index__row {
  border-bottom-color: rgba(42, 29, 24, 0.14);
}

.page-faq .faq-section--paper .lx-index__key {
  color: var(--lx-red);
}

.page-faq .faq-section--paper .lx-index__val {
  color: rgba(42, 29, 24, 0.8);
}

/* ===== 问答组 ===== */
.page-faq .faq-accordion--spaced {
  margin-top: 26px;
}

.page-faq .lx-faq {
  display: grid;
  gap: 12px;
}

.page-faq .lx-faq__item {
  border-radius: var(--lx-r-md);
  overflow: hidden;
}

.page-faq .faq-section--paper .lx-faq__item {
  background: var(--lx-white);
  border: 1px solid rgba(42, 29, 24, 0.14);
}

.page-faq .faq-section--panel .lx-faq__item,
.page-faq .faq-section--ink .lx-faq__item {
  background: rgba(248, 251, 248, 0.05);
  border: 1px solid var(--lx-line);
}

.page-faq .lx-faq__q {
  margin: 0;
  font-size: inherit;
  line-height: inherit;
}

.page-faq .faq-trigger {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  background: none;
  border: 0;
  text-align: left;
  font-family: inherit;
  font-size: clamp(15px, 1.6vw, 16px);
  font-weight: 700;
  line-height: 1.6;
  color: inherit;
  cursor: pointer;
  transition: color 0.18s var(--lx-ease);
}

.page-faq .faq-section--paper .faq-trigger:hover {
  color: var(--lx-red);
}

.page-faq .faq-section--panel .faq-trigger:hover,
.page-faq .faq-section--ink .faq-trigger:hover {
  color: var(--lx-cyan);
}

.page-faq .faq-trigger:focus-visible {
  outline: 2px solid var(--lx-amber);
  outline-offset: -3px;
}

.page-faq .faq-trigger__icon {
  position: relative;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border-radius: 50%;
  border: 1px solid currentColor;
  opacity: 0.65;
  transition: transform 0.22s var(--lx-ease), opacity 0.22s var(--lx-ease), color 0.22s var(--lx-ease);
}

.page-faq .faq-trigger__icon::before,
.page-faq .faq-trigger__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: currentColor;
}

.page-faq .faq-trigger__icon::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-trigger__icon::after {
  width: 1.5px;
  height: 10px;
  transition: opacity 0.22s var(--lx-ease);
}

.page-faq .faq-trigger[aria-expanded="true"] .faq-trigger__icon {
  transform: rotate(90deg);
  opacity: 1;
  color: var(--lx-cyan);
}

.page-faq .faq-trigger[aria-expanded="true"] .faq-trigger__icon::after {
  opacity: 0;
}

.page-faq .faq-a {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-a[hidden] {
  display: none;
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-section--paper .faq-a {
  color: rgba(42, 29, 24, 0.82);
}

.page-faq .faq-section--panel .faq-a,
.page-faq .faq-section--ink .faq-a {
  color: rgba(248, 251, 248, 0.82);
}

.page-faq .faq-a a {
  color: var(--lx-red);
}

.page-faq .faq-section--panel .faq-a a,
.page-faq .faq-section--ink .faq-a a {
  color: var(--lx-cyan);
}

/* ===== 访问环境卡片 ===== */
.page-faq .faq-env__grid {
  display: grid;
  gap: 14px;
  margin: 26px 0 4px;
}

.page-faq .faq-env__card {
  background: var(--lx-white);
  border: 1px solid rgba(42, 29, 24, 0.14);
  border-radius: var(--lx-r-md);
  padding: 20px;
}

.page-faq .faq-env__card h3 {
  margin: 0 0 8px;
  font-family: var(--lx-font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--lx-brown);
}

.page-faq .faq-env__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(42, 29, 24, 0.76);
}

/* ===== 反馈支持 ===== */
.page-faq .faq-contact {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-contact .lx-contact__item {
  background: rgba(248, 251, 248, 0.06);
  border: 1px solid var(--lx-line);
  border-radius: var(--lx-r-md);
  padding: 18px;
}

.page-faq .faq-contact .lx-contact__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--lx-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lx-cyan);
}

.page-faq .faq-contact .lx-contact__val {
  display: block;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--lx-white);
  word-break: break-word;
}

.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ===== 响应式 ===== */
@media (min-width: 700px) {
  .page-faq .faq-rows .lx-index__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-faq .faq-env__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-faq .faq-sec__head {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-trigger__icon,
  .page-faq .faq-check input,
  .page-faq .faq-trigger,
  .page-faq .faq-toc__link {
    transition: none;
  }
}
<<<END>>>