.page-faq {
  --faq-cut: 18px;
  --faq-side-w: 320px;
  display: block;
  background:
    radial-gradient(760px 420px at 88% 4%, rgba(58, 199, 255, 0.09), transparent 62%),
    radial-gradient(620px 380px at 6% 26%, rgba(255, 122, 51, 0.07), transparent 66%),
    var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-faq .num,
.page-faq .faq-fact-num,
.page-faq .faq-group-num,
.page-faq .faq-item-num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-top: clamp(22px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(184, 130, 63, 0.08) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(90deg, rgba(184, 130, 63, 0.08) 0 1px, transparent 1px 46px);
  pointer-events: none;
  opacity: 0.6;
}

.page-faq .faq-hero-inner {
  position: relative;
  max-width: 900px;
}

.page-faq .faq-kicker {
  margin: 20px 0 12px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--copper-bright);
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: #cdd8d2;
}

.page-faq .faq-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 30px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-facts li {
  flex: 1 1 160px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-fact-num {
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-fact-label {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-faq .faq-hero-media {
  position: relative;
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(26px, 5vw, 48px);
  padding-bottom: clamp(40px, 7vw, 84px);
}

/* ---------- 分组跳转 ---------- */
.page-faq .faq-jump {
  position: sticky;
  top: 62px;
  z-index: 3;
  display: flex;
  gap: 8px;
  margin: 0 0 22px;
  padding: 10px 2px;
  overflow-x: auto;
  scrollbar-width: none;
  background: linear-gradient(180deg, rgba(11, 33, 29, 0.96), rgba(11, 33, 29, 0.82));
  border-bottom: 1px solid var(--line-soft);
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-chip {
  flex: 0 0 auto;
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--paper);
  text-decoration: none;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  background: var(--copper-bright);
  border-color: var(--copper-bright);
  color: var(--near-black);
}

.page-faq .faq-chip--accent {
  border-color: var(--orange);
  color: var(--orange);
}

.page-faq .faq-chip--accent:hover,
.page-faq .faq-chip--accent:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
}

/* ---------- 分组与问题 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(30px, 5vw, 52px);
  scroll-margin-top: 130px;
}

.page-faq .faq-group-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 14px;
}

.page-faq .faq-group-num {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.2px var(--copper);
}

.page-faq .faq-group-head h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group-head p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(18, 51, 44, 0.55), rgba(18, 51, 44, 0));
}

.page-faq .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 6px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
  transition: color 180ms ease, background 180ms ease;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 18px;
  color: var(--copper-bright);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--orange);
}

.page-faq .faq-item summary:hover {
  background: rgba(224, 168, 104, 0.06);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-faq .faq-item-num {
  flex: 0 0 auto;
  min-width: 40px;
  padding: 2px 6px;
  font-size: 12px;
  text-align: center;
  color: var(--muted);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}

.page-faq .faq-item[open] .faq-item-num {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
  font-weight: 700;
}

.page-faq .faq-q {
  flex: 1 1 auto;
}

.page-faq .faq-a {
  padding: 2px 6px 18px 58px;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 66ch;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.85;
  color: #c6d2cc;
}

.page-faq .faq-a a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px dashed rgba(58, 199, 255, 0.5);
}

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

/* ---------- 结尾引导 ---------- */
.page-faq .faq-group--more {
  margin-top: clamp(36px, 6vw, 62px);
  padding-top: clamp(24px, 4vw, 38px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-more-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-more-card {
  padding: 20px 20px 18px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-more-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-more-card p {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.8;
  color: #c1cdc7;
}

.page-faq .faq-more-card .btn {
  font-size: 13px;
}

/* ---------- 右侧快捷 ---------- */
.page-faq .faq-rail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-side {
  padding: 20px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-side-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--copper-bright);
}

.page-faq .faq-side-note {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-side-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-side-list li + li {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-side-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 2px;
  font-family: var(--font-body);
  font-size: 13.5px;
  color: var(--paper);
  text-decoration: none;
  transition: color 180ms ease, transform 180ms ease;
}

.page-faq .faq-side-list a:hover {
  color: var(--blue);
  transform: translateX(3px);
}

.page-faq .faq-side-tag {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--ink);
  background: var(--copper-bright);
  border-radius: 3px;
}

.page-faq .faq-side-svg {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 12px;
  opacity: 0.85;
}

.page-faq .faq-side--check {
  background: linear-gradient(160deg, rgba(58, 199, 255, 0.1), rgba(18, 51, 44, 0.9));
}

.page-faq .faq-check {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-check li {
  position: relative;
  padding: 8px 0 8px 20px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: #cbd7d1;
}

.page-faq .faq-check li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 15px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-faq .faq-side-media {
  margin: 0;
}

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

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-more-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-a {
    padding-left: 66px;
  }
}

/* ---------- 桌面：左主区 + 右常驻栏 ---------- */
@media (min-width: 1080px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) var(--faq-side-w);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 88px;
  }

  .page-faq .faq-jump {
    top: 76px;
  }

  .page-faq .faq-item summary {
    font-size: 15px;
    padding: 17px 8px;
  }

  .page-faq .faq-a {
    padding-left: 74px;
    padding-bottom: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .faq-item summary,
  .page-faq .faq-item-num,
  .page-faq .faq-side-list a {
    transition: none;
  }
}
<<<END>>>