.page-faq {
  --faq-line: var(--line);
  --faq-gap: clamp(24px, 4vw, 56px);
}

.page-faq .breadcrumb {
  padding-top: clamp(14px, 3vw, 24px);
}

/* ---------- 首屏框景 ---------- */
.page-faq .guide-hero {
  padding: clamp(16px, 3vw, 32px) 0 clamp(28px, 5vw, 56px);
}

.page-faq .guide-hero__frame {
  position: relative;
  padding: clamp(22px, 4vw, 48px);
  background:
    linear-gradient(130deg, rgba(255, 90, 31, 0.14), rgba(255, 90, 31, 0) 52%),
    var(--panel);
  border: 2px solid var(--faq-line);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.page-faq .guide-hero__frame::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 180px;
  height: 180px;
  background: var(--orange);
  opacity: 0.18;
  transform: rotate(18deg);
  pointer-events: none;
}

.page-faq .guide-hero__kicker {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-faq .guide-hero__title {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5.4vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 22ch;
}

.page-faq .guide-hero__lead {
  margin: 0;
  color: var(--muted);
  max-width: 60ch;
}

.page-faq .guide-hero__ticks {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .guide-hero__ticks li {
  border: 1px solid var(--line);
  background: rgba(14, 17, 20, 0.72);
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text);
  line-height: 1.4;
}

.page-faq .guide-hero__ticks .mono {
  color: var(--lime);
  font-size: 12px;
  margin-left: 4px;
}

/* ---------- 主体两栏 ---------- */
.page-faq .guide-shell {
  display: grid;
  gap: var(--faq-gap);
  padding-bottom: clamp(48px, 8vw, 104px);
}

.page-faq .guide-toc {
  border-top: 2px solid var(--orange);
  padding-top: 14px;
  align-self: start;
}

.page-faq .guide-toc__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-faq .guide-toc__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .guide-toc__list .index-list__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  transition: border-color 120ms linear, color 120ms linear, background-color 120ms linear;
}

.page-faq .guide-toc__list .index-list__link:hover {
  border-left-color: var(--orange);
  color: var(--text);
  background: rgba(255, 90, 31, 0.08);
}

.page-faq .guide-toc__list .index-list__link[aria-current="true"] {
  border-left-color: var(--lime);
  color: var(--text);
  background: rgba(217, 255, 61, 0.07);
}

.page-faq .guide-toc__list .index-list__num {
  font-size: 12px;
  color: var(--orange);
}

.page-faq .guide-toc__foot {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

.page-faq .inline-link {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 章节 ---------- */
.page-faq .guide-chapter {
  border-top: 2px solid var(--faq-line);
  padding-top: clamp(18px, 3vw, 28px);
  margin-top: clamp(36px, 6vw, 68px);
  scroll-margin-top: 96px;
}

.page-faq .guide-body > .guide-chapter:first-child {
  margin-top: 0;
}

.page-faq .chapter__num {
  display: block;
  margin: 0;
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1;
  color: var(--orange);
  letter-spacing: 0.02em;
  transition: color 200ms linear;
}

.page-faq .guide-chapter.is-current .chapter__num {
  color: var(--lime);
}

.page-faq .chapter__title {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .chapter__note {
  margin: 0 0 6px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 58ch;
}

/* ---------- 步骤 ---------- */
.page-faq .guide-steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-faq .guide-steps__item {
  position: relative;
  padding-left: 52px;
}

.page-faq .guide-steps__item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 38px;
  bottom: -20px;
  width: 2px;
  background: linear-gradient(180deg, var(--line), rgba(243, 233, 219, 0.06));
}

.page-faq .guide-steps__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 2px solid var(--orange);
  background: var(--ink);
  color: var(--orange);
  font-size: 14px;
}

.page-faq .guide-steps__title {
  display: block;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
}

.page-faq .guide-steps__text {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 短答列表 ---------- */
.page-faq .answer-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .answer-list li {
  position: relative;
  padding-left: 20px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .answer-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--orange);
}

/* ---------- 时间标签 ---------- */
.page-faq .time-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0 0;
}

.page-faq .time-chip {
  font-family: var(--font-num);
  font-size: 13px;
  line-height: 1.4;
  padding: 9px 13px;
  border: 2px solid var(--orange);
  background: rgba(255, 90, 31, 0.09);
  color: var(--text);
}

.page-faq .time-chip b {
  color: var(--lime);
  font-weight: 600;
}

/* ---------- 提示条 ---------- */
.page-faq .notice-strip {
  margin: 18px 0 0;
  padding: 12px 16px;
  border-left: 3px solid var(--green);
  background: rgba(47, 163, 107, 0.09);
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .notice-strip--blue {
  border-left-color: var(--blue);
  background: rgba(63, 169, 245, 0.09);
}

/* ---------- 图片 ---------- */
.page-faq .guide-figure {
  margin: 22px 0 0;
  border: 2px solid var(--faq-line);
  background: var(--panel);
}

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

.page-faq .guide-figure--phone {
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
}

.page-faq .media__caption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  border-top: 1px solid var(--faq-line);
}

/* ---------- 联系与 CTA ---------- */
.page-faq .guide-contact {
  margin: 20px 0 0;
}

.page-faq .copy-btn {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  transition: border-color 120ms linear, background-color 120ms linear;
}

.page-faq .copy-btn:hover {
  border-color: var(--orange);
  background: rgba(255, 90, 31, 0.08);
}

.page-faq .copy-btn__value {
  font-size: 14px;
  color: var(--text);
}

.page-faq .copy-btn__hint {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .copy-btn[data-state="copied"] {
  border-color: var(--green);
}

.page-faq .copy-btn[data-state="copied"] .copy-btn__hint {
  color: var(--green);
}

.page-faq .guide-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 1000px) {
  .page-faq .guide-shell {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .guide-toc {
    position: sticky;
    top: 104px;
  }

  .page-faq .guide-toc__list {
    grid-template-columns: 1fr;
  }

  .page-faq .chapter__title {
    max-width: 26ch;
  }

  .page-faq .answer-list li,
  .page-faq .notice-strip {
    font-size: 16px;
  }
}

@media (min-width: 1280px) {
  .page-faq .guide-shell {
    grid-template-columns: 264px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .guide-toc__list .index-list__link,
  .page-faq .chapter__num,
  .page-faq .copy-btn {
    transition: none;
  }
}
<<<END>>>