.page-faq {
  --faq-paper-text: rgba(36, 27, 19, .82);
  --faq-paper-soft: rgba(36, 27, 19, .6);
}

.page-faq .breadcrumb {
  padding-block: 18px 4px;
  font-size: .8rem;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero-section {
  padding-block: clamp(10px, 2vw, 22px) clamp(24px, 4vw, 44px);
}

.page-faq .faq-hero {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.6vw, 3.15rem);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--white);
  max-width: 22ch;
}

.page-faq .faq-hero__lead {
  margin-top: 18px;
  max-width: 58ch;
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.85;
}

.page-faq .faq-counts {
  display: flex;
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-count {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-count__num {
  font-size: clamp(1.9rem, 4.4vw, 2.6rem);
  line-height: 1;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -.03em;
}

.page-faq .faq-count__num--amber {
  color: var(--amber);
}

.page-faq .faq-count__label {
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--mist);
}

@media (min-width: 880px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .85fr);
    align-items: end;
  }

  .page-faq .faq-counts {
    flex-direction: column;
    gap: 22px;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding: 4px 0 4px 26px;
  }

  .page-faq .faq-count {
    flex: 0 0 auto;
  }
}

/* ---------- 三步路径 ---------- */

.page-faq .faq-steps-panel {
  padding: clamp(20px, 3.2vw, 38px);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-steps-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(560px 240px at 88% -30%, rgba(242, 169, 59, .16), transparent 70%),
    radial-gradient(520px 260px at -10% 110%, rgba(61, 240, 210, .12), transparent 72%);
  pointer-events: none;
}

.page-faq .faq-steps-panel > * {
  position: relative;
}

.page-faq .faq-steps-figure {
  margin: clamp(18px, 2.6vw, 28px) 0 clamp(20px, 3vw, 30px);
}

.page-faq .faq-steps-figure__cap {
  margin-top: 10px;
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-step {
  position: relative;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: linear-gradient(180deg, rgba(61, 240, 210, .09), rgba(17, 28, 47, .2) 68%);
}

.page-faq .faq-step__num {
  display: inline-block;
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  letter-spacing: -.04em;
}

.page-faq .faq-step .h3 {
  margin: 10px 0 8px;
  font-size: 1.02rem;
  color: var(--white);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 820px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }

  .page-faq .faq-step:not(:last-child)::after {
    content: "→";
    position: absolute;
    right: -21px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: .95rem;
    color: var(--amber);
  }
}

.page-faq .faq-steps-note {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--amber);
  font-size: .88rem;
  line-height: 1.85;
  color: var(--mist);
  max-width: 62ch;
}

/* ---------- 问答列表 ---------- */

.page-faq .faq-browse {
  padding: clamp(20px, 3.4vw, 42px);
}

.page-faq .faq-browse__head .h2 {
  margin-top: 10px;
  color: var(--brown);
}

.page-faq .faq-browse__head p {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--faq-paper-text);
}

.page-faq .faq-chip-row {
  display: flex;
  gap: 8px;
  margin-top: 22px;
  padding-bottom: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-chip-row::-webkit-scrollbar {
  height: 4px;
}

.page-faq .faq-chip-row::-webkit-scrollbar-thumb {
  background: var(--cream-deep);
  border-radius: 4px;
}

.page-faq .faq-chip {
  flex: 0 0 auto;
  padding: 7px 15px;
  border: 1px solid var(--cream-deep);
  border-radius: 999px;
  background: transparent;
  color: var(--brown);
  font-family: var(--font-body);
  font-size: .82rem;
  line-height: 1.4;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-chip:hover {
  border-color: var(--brown);
}

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

.page-faq .faq-chip[aria-pressed="true"] {
  background: var(--brown);
  border-color: var(--brown);
  color: var(--cream);
}

.page-faq .faq-list {
  margin-top: 10px;
  border-top: 1px solid var(--cream-deep);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--cream-deep);
}

.page-faq .faq-item > summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 16px 36px 16px 20px;
  font-size: .97rem;
  font-weight: 600;
  line-height: 1.65;
  color: var(--brown);
}

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

.page-faq .faq-item > summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 2px;
  background: var(--cream-deep);
  transition: background .2s var(--ease), top .2s var(--ease), bottom .2s var(--ease);
}

.page-faq .faq-item[open] > summary::before {
  top: 13px;
  bottom: 13px;
  background: var(--cyan);
}

.page-faq .faq-item > summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--faq-paper-soft);
}

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

.page-faq .faq-item__body {
  padding: 0 20px 18px;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--faq-paper-text);
}

.page-faq .faq-item__body p {
  margin: 0;
}

.page-faq .faq-item__body a {
  color: var(--brown);
  text-decoration: underline;
  text-decoration-color: var(--ember);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-faq .faq-browse .empty-state {
  margin: 18px 0 0;
  color: var(--faq-paper-soft);
  font-size: .9rem;
  line-height: 1.8;
}

/* ---------- 四种情形 ---------- */

.page-faq .faq-diagnose {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-faq .faq-cases {
  display: grid;
  gap: 12px;
}

.page-faq .faq-case {
  padding: 16px 18px 18px;
  border: 1px solid var(--line);
  border-left-width: 3px;
  border-radius: var(--r-m);
  background: var(--panel);
}

.page-faq .faq-case:nth-child(1) {
  border-left-color: var(--ember);
}

.page-faq .faq-case:nth-child(2) {
  border-left-color: var(--amber);
}

.page-faq .faq-case:nth-child(3) {
  border-left-color: var(--cyan);
}

.page-faq .faq-case:nth-child(4) {
  border-left-color: var(--mist);
}

.page-faq .faq-case .tag {
  font-size: .7rem;
}

.page-faq .faq-case .h3 {
  margin: 10px 0 8px;
  font-size: .98rem;
  color: var(--white);
}

.page-faq .faq-case p {
  margin: 0;
  font-size: .87rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-diagnose__link {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-diagnose__link a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 620px) {
  .page-faq .faq-cases {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-diagnose {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 反馈模板 ---------- */

.page-faq .faq-template {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  padding: clamp(20px, 3.2vw, 36px);
  border: 1px dashed var(--line);
  border-radius: var(--r-l);
  background: rgba(17, 28, 47, .55);
}

.page-faq .faq-template__copy .h2 {
  margin-top: 10px;
}

.page-faq .faq-template__copy p {
  margin: 12px 0 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-template__body {
  margin: 0;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--ink);
  color: var(--mist);
  font-size: .82rem;
  line-height: 2.05;
  white-space: pre-wrap;
  overflow-x: auto;
}

@media (min-width: 840px) {
  .page-faq .faq-template {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }
}

/* ---------- 路径保持 ---------- */

.page-faq .faq-stable {
  padding: clamp(22px, 3.4vw, 40px);
  background: linear-gradient(160deg, rgba(61, 240, 210, .1), rgba(17, 28, 47, .9) 58%);
}

.page-faq .faq-stable .h2 {
  margin: 12px 0 0;
}

.page-faq .faq-stable .prose {
  margin-top: 14px;
  color: var(--mist);
}

.page-faq .faq-stable .note {
  margin-top: 20px;
  font-size: .89rem;
  line-height: 1.85;
}

/* ---------- 收尾 ---------- */

.page-faq .faq-next {
  display: grid;
  gap: 14px;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  background:
    radial-gradient(620px 260px at 100% 0%, rgba(242, 169, 59, .16), transparent 68%),
    radial-gradient(560px 240px at 0% 100%, rgba(61, 240, 210, .14), transparent 70%);
}

.page-faq .faq-next .h2 {
  margin: 0;
}

.page-faq .faq-next p {
  margin: 0;
  max-width: 54ch;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

@media (max-width: 420px) {
  .page-faq .faq-next__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}
<<<END>>>