.page-faq {
  --faq-pad: 20px;
  --faq-cut: 10px;
  background: var(--paper);
  color: var(--ink-800);
  padding-bottom: 56px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--white);
  padding: 24px var(--faq-pad) 64px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 40px));
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -90px;
  right: -110px;
  width: 280px;
  height: 280px;
  background: var(--green-500);
  opacity: .16;
  transform: rotate(12deg);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-faq .faq-hero .breadcrumb {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #A9B7C6;
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--green-500);
  text-decoration: none;
}

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

.page-faq .faq-eyebrow {
  position: relative;
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--green-500);
  padding-left: 16px;
}

.page-faq .faq-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 9px;
  height: 3px;
  background: var(--orange-500);
  transform: translateY(-50%) skewX(-24deg);
}

.page-faq .faq-title {
  position: relative;
  margin: 12px 0 0;
  font-size: 28px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
  max-width: 18em;
}

.page-faq .faq-lead {
  position: relative;
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: #C6D2DD;
  max-width: 44em;
}

/* ---------- 分组索引 ---------- */
.page-faq .faq-index {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 30px;
}

.page-faq .faq-index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .16);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  color: var(--white);
  text-decoration: none;
  transition: background var(--dur) ease, border-color var(--dur) ease, transform var(--dur) ease;
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  background: rgba(46, 204, 113, .2);
  border-color: var(--green-500);
  transform: translateY(-2px);
}

.page-faq .idx-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange-500);
}

.page-faq .idx-label {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}

/* ---------- 分组正文 ---------- */
.page-faq .faq-groups {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--faq-pad);
}

.page-faq .faq-group {
  padding-top: 44px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-group:first-child {
  border-top: 0;
}

.page-faq .faq-group-head {
  position: relative;
  padding-left: 14px;
  border-left: 3px solid var(--green-500);
}

.page-faq .faq-group-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--orange-700);
}

.page-faq .faq-group-title {
  margin: 6px 0 0;
  font-size: 22px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink-800);
}

.page-faq .faq-group-lead {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 4px;
  background: var(--white);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  overflow: hidden;
}

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

.page-faq .faq-figure figcaption {
  padding: 9px 14px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .qa {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background var(--dur) ease, border-color var(--dur) ease;
}

.page-faq .qa[open] {
  background: var(--green-050);
  border-left-color: var(--green-500);
}

.page-faq .qa-summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-summary:hover .qa-q {
  color: var(--green-700);
}

.page-faq .qa-num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
}

.page-faq .qa[open] .qa-num {
  color: var(--green-700);
}

.page-faq .qa-q {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-800);
  transition: color var(--dur) ease;
}

.page-faq .qa-icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 3px;
}

.page-faq .qa-icon::before,
.page-faq .qa-icon::after {
  content: "";
  position: absolute;
  background: var(--green-700);
  transition: opacity var(--dur) ease, background var(--dur) ease;
}

.page-faq .qa-icon::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .qa-icon::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
}

.page-faq .qa[open] .qa-icon::after {
  opacity: 0;
}

.page-faq .qa[open] .qa-icon::before {
  background: var(--orange-700);
}

.page-faq .qa-body {
  padding: 0 16px 18px;
}

.page-faq .qa-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-800);
}

.page-faq .qa-body p + p {
  margin-top: .8em;
}

.page-faq .qa-body a {
  color: var(--green-700);
  text-decoration: none;
  border-bottom: 1px solid rgba(21, 122, 67, .35);
}

.page-faq .qa-body a:hover {
  border-bottom-color: var(--green-700);
}

/* 15 分钟时段示意 */
.page-faq .faq-slots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  margin: 14px 0 2px;
}

.page-faq .faq-slots span {
  padding: 7px 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  text-align: center;
  color: var(--green-700);
  background: rgba(46, 204, 113, .14);
  border-left: 2px solid var(--green-500);
}

/* ---------- 底部引导 ---------- */
.page-faq .faq-cta {
  margin-top: 56px;
  padding: 28px 22px 34px;
  background: var(--ink-800);
  color: var(--white);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), 0 100%);
}

.page-faq .faq-cta h2 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--white);
}

.page-faq .faq-cta p {
  margin: 0 0 20px;
  max-width: 52em;
  font-size: 14.5px;
  line-height: 1.8;
  color: #C6D2DD;
}

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

.page-faq .faq-cta .btn--ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, .5);
}

.page-faq .faq-cta .btn--ghost:hover {
  border-color: var(--green-500);
  color: var(--green-500);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-faq {
    --faq-pad: 32px;
  }

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

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

  .page-faq .faq-group-title {
    font-size: 26px;
  }

  .page-faq .qa-body {
    padding-left: 48px;
    padding-right: 22px;
  }

  .page-faq .qa-summary {
    padding: 18px 22px;
  }

  .page-faq .faq-slots {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-title {
    font-size: 42px;
  }

  .page-faq .faq-lead {
    font-size: 16px;
  }
}

@media (min-width: 1080px) {
  .page-faq {
    --faq-pad: 48px;
  }

  .page-faq .faq-hero {
    padding-top: 32px;
    padding-bottom: 80px;
  }

  .page-faq .faq-index {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    margin-top: 38px;
  }

  .page-faq .faq-group {
    display: grid;
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
    gap: 0 56px;
    padding-top: 64px;
  }

  .page-faq .faq-group-head {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
    align-self: start;
  }

  .page-faq .faq-list {
    margin-top: 0;
  }

  .page-faq .faq-cta {
    padding: 36px 40px 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index a,
  .page-faq .qa,
  .page-faq .qa-icon::before,
  .page-faq .qa-icon::after,
  .page-faq .qa-q {
    transition: none;
  }

  .page-faq .faq-index a:hover {
    transform: none;
  }
}
<<<END>>>