.page-faq {
  background: var(--ink);
  color: var(--mist);
  --faq-paper-card: rgba(242, 229, 201, 0.04);
  --faq-rule: rgba(242, 229, 201, 0.14);
}

/* ---------- 面包屑条 ---------- */
.page-faq .faq-top-bar {
  padding-block: clamp(0.85rem, 2.5vw, 1.35rem) clamp(0.3rem, 1.4vw, 0.7rem);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(0.6rem, 2vw, 1.1rem) clamp(2rem, 5vw, 3.2rem);
  border-bottom: 1px solid var(--line);
  background-image:
    radial-gradient(95% 80% at 92% -12%, rgba(255, 138, 61, 0.2), transparent 62%),
    radial-gradient(70% 62% at -6% 4%, rgba(56, 232, 209, 0.14), transparent 60%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--cyan) 0 2px, transparent 2px 13px);
  opacity: 0.32;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.4rem);
  align-items: end;
}

.page-faq .faq-hero__lead h1 {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 8vw, 4rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__sub {
  margin: 1rem 0 0;
  max-width: 46ch;
  font-size: clamp(0.98rem, 2.4vw, 1.12rem);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

.page-faq .faq-hero__card {
  position: relative;
  padding: 1.1rem 1.15rem 1.2rem 1.3rem;
  border-left: 3px solid var(--orange);
  background: linear-gradient(180deg, var(--panel-soft), var(--panel));
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--shadow-paper);
}

.page-faq .faq-hero__card::before {
  content: "";
  position: absolute;
  top: -0.55rem;
  right: 1.1rem;
  width: 1.5rem;
  height: 1.05rem;
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 76%, 0 100%);
  opacity: 0.9;
}

.page-faq .faq-hero__list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-faq .faq-hero__list li {
  display: grid;
  grid-template-columns: 2.1rem 1fr;
  align-items: baseline;
  gap: 0.55rem;
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--paper-dim);
}

.page-faq .faq-hero__list span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-faq .faq-hero__stamp {
  margin: 0.9rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: rgba(200, 208, 212, 0.6);
}

/* ---------- 页内目录 ---------- */
.page-faq .faq-toc {
  display: flex;
  gap: 0.45rem;
  overflow-x: auto;
  padding-block: clamp(0.9rem, 2.6vw, 1.25rem);
  scrollbar-width: none;
}

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

.page-faq .faq-toc a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.42rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-toc a b {
  color: var(--cyan);
  font-weight: 700;
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
  background: rgba(56, 232, 209, 0.08);
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-block {
  padding-block: clamp(2.2rem, 6vw, 3.8rem);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-block--panel {
  background: linear-gradient(180deg, rgba(19, 29, 38, 0.85), rgba(11, 17, 22, 0.4));
}

.page-faq .faq-block--paper {
  background:
    linear-gradient(180deg, rgba(242, 229, 201, 0.055), rgba(242, 229, 201, 0.015));
}

.page-faq .faq-head {
  max-width: 62ch;
}

.page-faq .faq-head h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.6vw, 2.35rem);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-faq .faq-head > p:last-child {
  margin: 0.7rem 0 0;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-head + .faq-steps,
.page-faq .faq-head + .faq-qa,
.page-faq .faq-head + .faq-prep {
  margin-top: clamp(1.3rem, 3.5vw, 2rem);
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: clamp(1rem, 3vw, 1.6rem);
  align-items: start;
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  counter-reset: faqstep;
}

.page-faq .faq-steps__list > li {
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: 0.7rem;
  padding: 0.95rem 1rem 1rem 0.9rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid rgba(56, 232, 209, 0.5);
  border-radius: var(--radius);
}

.page-faq .faq-step-no {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-faq .faq-steps__list h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.45;
}

.page-faq .faq-steps__list p {
  margin: 0.4rem 0 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-steps__fig {
  margin: 0;
}

.page-faq .media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel-soft);
}

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

.page-faq .media--tall img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-faq .faq-steps__fig figcaption,
.page-faq .faq-collect__fig figcaption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: rgba(200, 208, 212, 0.7);
}

/* ---------- 收藏指引 ---------- */
.page-faq .faq-collect {
  display: grid;
  gap: clamp(1.2rem, 3.5vw, 2rem);
  align-items: start;
}

.page-faq .faq-collect__text > p:nth-of-type(2) {
  margin: 0.75rem 0 0;
  font-size: 0.98rem;
  line-height: 1.82;
  color: var(--mist);
}

.page-faq .faq-collect__text h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.6vw, 2.3rem);
  line-height: 1.14;
  color: var(--paper);
}

.page-faq .faq-pins {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-faq .faq-pins li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  padding: 0.8rem 0.9rem;
  background: var(--faq-paper-card);
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius-sm);
}

.page-faq .faq-pins h3 {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.45;
}

.page-faq .faq-pins p {
  margin: 0.25rem 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-pin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-pin--cyan { background: var(--cyan); }
.page-faq .faq-pin--orange { background: var(--orange); }
.page-faq .faq-pin--blue { background: var(--blue); }

.page-faq .faq-collect__fig {
  margin: 0;
}

/* ---------- 使用记录 ---------- */
.page-faq .faq-note {
  max-width: 70ch;
  padding-left: clamp(0.9rem, 3vw, 1.6rem);
  border-left: 1px solid var(--line);
}

.page-faq .faq-note h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.6vw, 2.3rem);
  line-height: 1.14;
  color: var(--paper);
}

.page-faq .faq-note__body p {
  margin: 0.8rem 0 0;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-marginalia {
  display: block;
  margin: 1.1rem 0 0;
  padding-left: 0.85rem;
  border-left: 2px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: rgba(255, 138, 61, 0.92);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-qa {
  display: grid;
  gap: 0.1rem;
  border-top: 1px solid var(--line-soft);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa > summary {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.95rem 0.2rem;
  cursor: pointer;
  list-style: none;
  transition: color 0.18s var(--ease);
}

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

.page-faq .qa > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--cyan);
}

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

.page-faq .qa > summary:hover,
.page-faq .qa > summary:focus-visible {
  color: var(--paper);
}

.page-faq .qa__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(56, 232, 209, 0.8);
}

.page-faq .qa__q {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .qa__body {
  padding: 0.1rem 0 1rem 2.1rem;
}

.page-faq .qa__body p {
  margin: 0 0 0.55rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .qa__body p:last-child {
  margin-bottom: 0;
}

.page-faq .qa__body a,
.page-faq .faq-prep__note a,
.page-faq .faq-foot-note a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.page-faq .faq-block--panel .notice {
  margin-top: 1.4rem;
}

.page-faq .faq-block .faq-marginalia {
  margin-top: 1.2rem;
}

/* ---------- 联系前准备 ---------- */
.page-faq .faq-prep {
  display: grid;
  gap: clamp(1.1rem, 3vw, 1.8rem);
  align-items: start;
}

.page-faq .faq-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-faq .faq-prep__list li {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 0.65rem;
  padding: 0.75rem 0.85rem;
  border: 1px dashed var(--faq-rule);
  border-radius: var(--radius-sm);
  background: rgba(11, 17, 22, 0.35);
}

.page-faq .faq-prep__list span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .faq-prep__list h3 {
  margin: 0;
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.45;
}

.page-faq .faq-prep__list p {
  margin: 0.2rem 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-prep__card {
  padding: clamp(1rem, 3vw, 1.4rem);
}

.page-faq .faq-prep__card .card-title {
  margin: 0.4rem 0 0.9rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--paper);
}

.page-faq .faq-contact {
  margin: 0;
  display: grid;
  gap: 0.6rem;
}

.page-faq .faq-contact > div {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 0.5rem;
  align-items: baseline;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-contact > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-contact dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(200, 208, 212, 0.65);
}

.page-faq .faq-contact dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--paper-dim);
  word-break: break-word;
}

.page-faq .faq-contact dd a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 232, 209, 0.35);
}

.page-faq .faq-prep__note {
  margin: 1rem 0 1.1rem;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-foot-note {
  margin: 1.5rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 返回顶部 ---------- */
.page-faq .faq-backtop {
  padding-block: clamp(1.4rem, 4vw, 2.2rem) clamp(2rem, 5vw, 3rem);
}

.page-faq .faq-backtop a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem 0.5rem 1.1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0 999px 999px 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--paper-dim);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-backtop a:hover,
.page-faq .faq-backtop a:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-steps {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-faq .faq-collect {
    grid-template-columns: 1fr 0.82fr;
  }

  .page-faq .faq-prep {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-faq .faq-qa--split {
    grid-template-columns: 1fr 1fr;
    column-gap: clamp(1rem, 3vw, 2rem);
    border-top: 0;
  }

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

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: 1.25fr 0.75fr;
    gap: clamp(1.5rem, 4vw, 3rem);
  }

  .page-faq .faq-hero__card {
    padding: 1.3rem 1.3rem 1.4rem 1.5rem;
  }

  .page-faq .faq-steps {
    grid-template-columns: 1.1fr 0.9fr;
    gap: clamp(1.5rem, 4vw, 2.4rem);
  }

  .page-faq .faq-steps__fig {
    position: sticky;
    top: 6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-toc a,
  .page-faq .faq-backtop a,
  .page-faq .qa > summary {
    transition: none;
  }
}
<<<END>>>