.page-faq {
  --faq-side-w: 220px;
  --faq-accent-line: var(--gray);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(34px, 6vw, 74px) clamp(38px, 6vw, 78px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(36, 64, 90, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 64, 90, 0.22) 1px, transparent 1px);
  background-size: 46px 46px, 46px 46px;
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-hero__lead {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 16ch;
  color: var(--off);
  line-height: 1.06;
}

.page-faq .faq-hero__lede {
  max-width: 42ch;
  color: var(--off-soft);
  margin: 0;
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.page-faq .faq-tag {
  text-decoration: none;
  transition: transform 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-tag:hover,
.page-faq .faq-tag:focus-visible {
  transform: translateY(-2px);
}

.page-faq .faq-hero__aside {
  padding: clamp(20px, 3vw, 28px);
  background: var(--navy-700);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-hero__aside-title {
  margin: 0;
  color: var(--off);
}

.page-faq .faq-search {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .faq-search__input {
  width: 100%;
  padding: 12px 14px;
  background: var(--ink);
  border: 1px solid var(--line-blue);
  border-radius: 2px;
  color: var(--off);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.4;
}

.page-faq .faq-search__input::placeholder {
  color: var(--gray);
}

.page-faq .faq-search__input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 224, 208, 0.18);
}

.page-faq .faq-search__hint {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  border-top: 1px dashed var(--line-blue);
  padding-top: 14px;
}

.page-faq .faq-hero__stats li {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  color: var(--off-soft);
  font-size: 12px;
}

.page-faq .faq-hero__stats .numeral {
  font-size: 30px;
  color: var(--cyan);
  line-height: 1;
}

.page-faq .faq-hero__aside-note {
  margin: 0;
  color: var(--gray);
  font-size: 13px;
  line-height: 1.7;
  border-left: 2px solid var(--line-blue);
  padding-left: 12px;
}

/* ---------- 通用章节 ---------- */
.page-faq .faq-section {
  padding-block: clamp(46px, 7vw, 88px);
}

.page-faq .faq-section__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 62ch;
}

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

/* ---------- 三步路径 ---------- */
.page-faq .faq-path {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
}

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

.page-faq .faq-path__figure .figure__media {
  border-radius: 3px;
  box-shadow: 0 18px 40px -28px rgba(10, 19, 31, 0.55);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-faq .faq-steps__item {
  position: relative;
  padding: 18px 18px 18px 64px;
  background: var(--off);
  border: 1px solid rgba(110, 118, 129, 0.28);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-faq .faq-steps__num {
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: 26px;
  color: var(--clay);
  letter-spacing: 0.02em;
  line-height: 1;
}

.page-faq .faq-steps__item .h4 {
  margin: 0 0 6px;
  color: var(--ink);
}

.page-faq .faq-steps__item .body {
  margin: 0;
  color: var(--navy-700);
  font-size: 15px;
}

/* ---------- FAQ 折叠项 ---------- */
.page-faq .faq-panel {
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(110, 118, 129, 0.24);
  border-left: 3px solid var(--faq-accent-line);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .section--light .faq-panel,
.page-faq .section--panel .faq-panel {
  background: rgba(255, 255, 255, 0.62);
}

.page-faq .faq-panel.is-open {
  border-left-color: var(--cyan);
  background: rgba(53, 224, 208, 0.06);
}

.page-faq .faq-panel[data-faq-filtered="off"] {
  display: none;
}

.page-faq .faq-panel__head {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  color: inherit;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
}

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

.page-faq .faq-panel__code {
  flex: none;
  min-width: 34px;
  color: var(--clay);
  font-size: 13px;
  padding-top: 3px;
  letter-spacing: 0.06em;
}

.page-faq .section--dark .faq-panel__code {
  color: var(--amber);
}

.page-faq .faq-panel__q {
  flex: 1 1 auto;
  color: var(--ink);
  font-weight: 600;
}

.page-faq .section--dark .faq-panel__q {
  color: var(--off);
}

.page-faq .faq-panel.is-open .faq-panel__q {
  color: var(--cyan);
}

.page-faq .faq-panel__icon {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  position: relative;
}

.page-faq .faq-panel__icon::before,
.page-faq .faq-panel__icon::after {
  content: "";
  position: absolute;
  background: var(--gray);
  transition: transform 0.22s ease, background-color 0.22s ease;
}

.page-faq .faq-panel__icon::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

.page-faq .faq-panel__icon::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

.page-faq .faq-panel.is-open .faq-panel__icon::after {
  transform: scaleY(0);
}

.page-faq .faq-panel.is-open .faq-panel__icon::before,
.page-faq .faq-panel.is-open .faq-panel__icon::after {
  background: var(--cyan);
}

.page-faq .faq-panel__body {
  padding: 0 20px 20px 68px;
}

.page-faq .faq-panel__body .body,
.page-faq .faq-panel__body p {
  margin: 0;
  color: var(--navy-700);
  line-height: 1.75;
}

.page-faq .section--dark .faq-panel__body .body,
.page-faq .section--dark .faq-panel__body p {
  color: var(--off-soft);
}

.page-faq .faq-feedback-main {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-feedback-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-faq .faq-feedback-side {
  padding: clamp(20px, 3vw, 28px);
  background: var(--navy-700);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-faq .faq-feedback-side .h4 {
  margin: 0;
  color: var(--off);
}

.page-faq .faq-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 22px;
}

.page-faq .faq-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--coral), var(--amber), var(--cyan));
  opacity: 0.6;
}

.page-faq .faq-timeline__step {
  position: relative;
  padding-bottom: 18px;
}

.page-faq .faq-timeline__step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-timeline__dot {
  position: absolute;
  left: -22px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gray);
  box-shadow: 0 0 0 3px var(--navy-700);
}

.page-faq .faq-timeline__dot--coral { background: var(--coral); }
.page-faq .faq-timeline__dot--amber { background: var(--amber); }
.page-faq .faq-timeline__dot--cyan { background: var(--cyan); }

.page-faq .faq-timeline__label {
  display: inline-block;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.page-faq .faq-timeline__step .body {
  margin: 0;
  font-size: 14px;
  color: var(--off-soft);
}

.page-faq .faq-feedback__figure {
  margin: 6px 0 0;
}

.page-faq .faq-feedback__figure .figure__media {
  border: 1px solid var(--line-blue);
}

.page-faq .faq-feedback-side .btn {
  align-self: flex-start;
}

/* ---------- 帮助区块 ---------- */
.page-faq .faq-help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-faq .faq-help-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 22px 24px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(110, 118, 129, 0.28);
  border-top: 3px solid var(--moss);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-faq .faq-help-card--coral {
  border-top-color: var(--coral);
  background: linear-gradient(180deg, rgba(255, 95, 109, 0.08), rgba(255, 255, 255, 0.72) 40%);
}

.page-faq .faq-help-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-help-card__tag {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--clay);
  text-transform: uppercase;
}

.page-faq .faq-help-card .h3 {
  margin: 0;
  color: var(--ink);
}

.page-faq .faq-help-card .body {
  margin: 0;
  font-size: 15px;
}

.page-faq .faq-help-card__contact {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  letter-spacing: 0.02em;
  padding: 8px 12px;
  background: rgba(14, 27, 42, 0.06);
  border-left: 3px solid var(--cyan);
  word-break: break-all;
}

.page-faq .faq-help-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 底部快速矩阵 ---------- */
.page-faq .faq-quick-matrix {
  margin-top: 12px;
}

.page-faq .faq-quick-matrix__caption {
  text-align: left;
  padding: 0 0 12px;
  font-size: 13px;
  color: var(--gray);
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
}

.page-faq .faq-quick-matrix th,
.page-faq .faq-quick-matrix td {
  padding: 12px 14px;
  font-size: 14px;
  border-bottom: 1px solid rgba(110, 118, 129, 0.24);
  text-align: left;
  vertical-align: top;
  color: var(--navy-700);
}

.page-faq .faq-quick-matrix thead th {
  background: var(--ink);
  color: var(--off);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  font-weight: 500;
  border-bottom-color: var(--line-blue);
}

.page-faq .faq-quick-matrix tbody th {
  font-weight: 600;
  color: var(--ink);
}

.page-faq .faq-quick-matrix td.is-num {
  font-family: var(--font-mono);
  color: var(--clay);
  white-space: nowrap;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-steps__item {
    padding: 66px 18px 18px;
  }

  .page-faq .faq-steps__num {
    top: 18px;
    left: 18px;
  }

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

@media (min-width: 980px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-faq .faq-hero__aside {
    height: 100%;
  }

  .page-faq .faq-path {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-feedback-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 1180px) {
  .page-faq .faq-section__inner,
  .page-faq .faq-hero__inner {
    position: relative;
  }

  .page-faq .faq-section {
    padding-block: clamp(56px, 6vw, 96px);
  }

  .page-faq .faq-head {
    max-width: 58ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tag,
  .page-faq .faq-panel,
  .page-faq .faq-panel__icon::before,
  .page-faq .faq-panel__icon::after {
    transition: none !important;
  }
}
<<<END>>>
</main>