.page-faq {
  --faq-panel: rgba(17, 22, 20, .62);
  --faq-gap: 18px;
  padding-bottom: 64px;
}

/* ---------- 面包屑与首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 22px;
  padding: clamp(18px, 4vw, 40px);
  background:
    linear-gradient(152deg, rgba(47, 107, 82, .62), rgba(17, 22, 20, .94) 64%),
    var(--ink);
  border: 2px solid var(--line);
  border-left: 6px solid var(--cyan);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(79, 242, 208, .07) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

.page-faq .faq-hero > * {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-faq .faq-hero h1 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1.08;
  letter-spacing: .01em;
  color: var(--cream);
  text-wrap: balance;
}

.page-faq .faq-hero .lede {
  margin: 14px 0 0;
  max-width: 46ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stat {
  padding-top: 8px;
  border-top: 2px solid rgba(79, 242, 208, .5);
}

.page-faq .faq-stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: .02em;
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--mist);
  letter-spacing: .04em;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 2px solid var(--stone);
  background: var(--char);
  align-self: stretch;
}

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

/* ---------- 问题类型四宫格 ---------- */
.page-faq .faq-types {
  margin-top: 48px;
}

.page-faq .faq-types h2 {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.15;
  color: var(--cream);
}

.page-faq .type-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.page-faq .type-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  text-decoration: none;
  color: var(--cream);
  background: linear-gradient(180deg, rgba(47, 107, 82, .34), rgba(17, 22, 20, .88));
  border: 2px solid var(--line);
  border-top: 4px solid var(--stone);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .type-card:hover,
.page-faq .type-card:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
  outline: none;
}

.page-faq .type-card--access { border-top-color: var(--cyan); }
.page-faq .type-card--schedule { border-top-color: var(--orange); }
.page-faq .type-card--video { border-top-color: var(--violet); }
.page-faq .type-card--legacy { border-top-color: var(--clay); }

.page-faq .type-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--stone);
}

.page-faq .type-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.2;
}

.page-faq .type-card__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .type-card__go {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.page-faq .type-card__go::after {
  content: " →";
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  margin-top: 48px;
}

.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-sec {
  padding-top: 18px;
  border-top: 2px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-sec + .faq-sec {
  margin-top: 46px;
}

.page-faq .faq-sec__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-faq .faq-sec h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.2;
  color: var(--cream);
  text-wrap: balance;
}

.page-faq .faq-sec__lede {
  margin: 10px 0 20px;
  max-width: 52ch;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  margin-bottom: 10px;
  background: var(--faq-panel);
  border: 2px solid var(--line-soft);
  border-left: 4px solid var(--stone);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .qa[open] {
  border-left-color: var(--cyan);
  background: rgba(11, 42, 35, .72);
}

.page-faq .qa__q {
  position: relative;
  display: block;
  padding: 14px 46px 14px 16px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.55;
  color: var(--cream);
  list-style: none;
}

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

.page-faq .qa__q:hover {
  color: var(--cyan);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-faq .qa__q::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--stone);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
  color: var(--cyan);
}

.page-faq .qa__body {
  padding: 0 16px 16px;
}

.page-faq .steps {
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 36px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cream);
}

.page-faq .steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  width: 26px;
  height: 22px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  border: 1px solid rgba(79, 242, 208, .45);
  background: rgba(79, 242, 208, .07);
}

.page-faq .qa__body .note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.65;
}

.page-faq .qa__body a,
.page-faq .faq-sec__lede a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 242, 208, .5);
}

.page-faq .qa__body a:hover,
.page-faq .faq-sec__lede a:hover {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

/* ---------- 章节内图文分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-faq .faq-split__col {
  min-width: 0;
}

.page-faq .faq-shot {
  margin: 0 auto;
  max-width: 260px;
  width: 100%;
  border: 2px solid var(--line);
  background: var(--char);
  box-shadow: var(--shadow-soft);
}

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

.page-faq .faq-shot figcaption {
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
  border-top: 2px solid var(--line);
}

/* ---------- 转人工清单 ---------- */
.page-faq .help-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
  border: 2px solid var(--line);
  background: var(--faq-panel);
}

.page-faq .help-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cream);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .help-list li:last-child {
  border-bottom: none;
}

.page-faq .help-list__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--clay);
}

.page-faq .help-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 242, 208, .5);
  word-break: break-all;
}

.page-faq .help-list a:hover {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

/* ---------- 侧栏目录与客服卡 ---------- */
.page-faq .faq-side {
  min-width: 0;
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .chapter-nav {
  padding: 14px;
  background: var(--faq-panel);
  border: 2px solid var(--line);
}

.page-faq .chapter-nav__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-faq .chapter-nav__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .chapter-nav__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px;
  font-size: 14px;
  color: var(--cream);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .chapter-nav__link:hover {
  background: rgba(79, 242, 208, .09);
  border-left-color: var(--stone);
}

.page-faq .chapter-nav__link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(79, 242, 208, .07);
}

.page-faq .chapter-nav__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--stone);
}

.page-faq .faq-help {
  padding: 16px;
  background: linear-gradient(160deg, rgba(242, 106, 46, .16), rgba(17, 22, 20, .92));
  border: 2px solid var(--orange);
}

.page-faq .faq-help__kicker {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.25;
  color: var(--cream);
}

.page-faq .faq-help__text {
  margin: 8px 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-help__btn {
  display: inline-block;
  text-decoration: none;
}

.page-faq .faq-help__meta {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-faq .type-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .help-list li {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (min-width: 820px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    align-items: stretch;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .45fr);
    align-items: start;
  }

  .page-faq .faq-shot {
    max-width: 100%;
    margin: 0;
  }
}

@media (min-width: 1080px) {
  .page-faq .type-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .type-card,
  .page-faq .qa,
  .page-faq .chapter-nav__link {
    transition: none;
  }

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