.page-faq {
  --faq-rule: 1px solid var(--line-300);
  background: var(--paper-050);
  color: var(--text-900);
}

.page-faq .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--whistle-600);
  margin: 0 0 .9rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.1rem, 3vw, 1.75rem) 0 clamp(2.25rem, 6vw, 3.75rem);
  background:
    radial-gradient(110% 120% at 8% 0%, var(--ink-700) 0%, var(--ink-900) 58%, var(--ink-900) 100%);
  color: var(--on-ink);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: auto -20% -55% 30%;
  height: 130%;
  background: linear-gradient(118deg, rgba(22, 121, 76, 0) 34%, rgba(22, 121, 76, .38) 50%, rgba(233, 255, 90, .16) 62%, rgba(233, 255, 90, 0) 76%);
  transform: rotate(-2.5deg);
  pointer-events: none;
}

.page-faq .faq-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  list-style: none;
  margin: 0 0 clamp(1.5rem, 4vw, 2.25rem);
  padding: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
}

.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: .4rem;
  color: var(--on-ink-faint);
}

.page-faq .breadcrumb--on-ink .breadcrumb__item a {
  color: var(--on-ink-dim);
  text-decoration: none;
}

.page-faq .breadcrumb--on-ink .breadcrumb__item a:hover {
  color: var(--whistle-300);
}

.page-faq .breadcrumb--on-ink .breadcrumb__item[aria-current="page"] {
  color: var(--whistle-300);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.75rem, 5.4vw, 3rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  margin: 0 0 1rem;
  max-width: 20ch;
}

.page-faq .faq-hero__sub {
  margin: 0;
  max-width: 40ch;
  font-size: clamp(.95rem, 1.5vw, 1.05rem);
  line-height: 1.8;
  color: var(--on-ink-dim);
}

.page-faq .faq-hero__panel {
  align-self: start;
  padding: clamp(1rem, 2.6vw, 1.4rem);
  border: 1px solid rgba(245, 247, 244, .18);
  border-radius: var(--radius);
  background: rgba(245, 247, 244, .07);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-faq .faq-hero__panel-title {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--on-ink-faint);
}

.page-faq .faq-jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .25rem;
}

.page-faq .faq-jump a {
  display: flex;
  gap: .7rem;
  align-items: baseline;
  padding: .5rem .55rem;
  border-left: 2px solid transparent;
  color: var(--on-ink);
  text-decoration: none;
  font-size: .92rem;
  line-height: 1.5;
  transition: background-color .16s ease, border-color .16s ease;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: rgba(233, 255, 90, .1);
  border-left-color: var(--whistle-300);
}

.page-faq .faq-jump__num {
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--whistle-300);
  flex: none;
}

/* ---------- 主体栅格 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-aside {
  align-self: start;
}

.page-faq .faq-aside__title {
  margin: 0 0 .75rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--text-600);
}

.page-faq .faq-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .1rem;
}

.page-faq .faq-toc a {
  display: flex;
  gap: .6rem;
  align-items: baseline;
  padding: .45rem 0 .45rem .7rem;
  border-left: 1px solid var(--line-300);
  color: var(--text-600);
  text-decoration: none;
  font-size: .92rem;
  line-height: 1.5;
  transition: color .16s ease, border-color .16s ease, background-color .16s ease;
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  color: var(--text-900);
  border-left-color: var(--pitch-600);
  background: var(--paper-100);
}

.page-faq .faq-toc__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--pitch-600);
}

.page-faq .faq-aside__note {
  margin: 1rem 0 0;
  padding-left: .7rem;
  border-left: 2px solid var(--card-amber);
  font-size: .8rem;
  line-height: 1.7;
  color: var(--text-600);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 96px;
  padding-block: clamp(1.5rem, 4vw, 2.25rem);
}

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

.page-faq .faq-group + .faq-group {
  border-top: var(--faq-rule);
}

.page-faq .faq-group__head {
  display: flex;
  gap: .75rem;
  align-items: baseline;
}

.page-faq .section-num {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--pitch-600);
  flex: none;
}

.page-faq .faq-group h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.3rem, 2.7vw, 1.85rem);
  line-height: 1.3;
  letter-spacing: -.01em;
  margin: 0;
}

.page-faq .faq-group__intro {
  margin: .75rem 0 0;
  max-width: 46ch;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--text-600);
}

/* ---------- 上手路径 ---------- */
.page-faq .faq-paths {
  display: grid;
  gap: .9rem;
  margin-top: 1.35rem;
}

.page-faq .faq-path {
  position: relative;
  padding: 1.1rem 1.15rem 1.15rem;
  background: #fff;
  border: var(--faq-rule);
  border-top: 3px solid var(--pitch-600);
  border-radius: var(--radius);
}

.page-faq .faq-path__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--pitch-600);
  margin-bottom: .5rem;
}

.page-faq .faq-path h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.45;
  letter-spacing: -.01em;
  margin: 0 0 .5rem;
}

.page-faq .faq-path p {
  margin: 0 0 .85rem;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--text-600);
}

.page-faq .faq-path__link {
  display: inline-block;
  font-size: .86rem;
  font-weight: 600;
  color: var(--pitch-600);
  text-decoration: none;
  border-bottom: 1px solid rgba(22, 121, 76, .35);
  padding-bottom: 1px;
}

.page-faq .faq-path__link:hover,
.page-faq .faq-path__link:focus-visible {
  color: var(--text-900);
  border-bottom-color: var(--whistle-600);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 1.5rem 0 0;
}

.page-faq .figure__frame {
  overflow: hidden;
  border: var(--faq-rule);
  border-radius: var(--radius);
  background: var(--paper-100);
}

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

.page-faq .figure__caption {
  margin-top: .55rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .02em;
  color: var(--text-600);
}

/* ---------- 对比栏 ---------- */
.page-faq .faq-compare {
  display: grid;
  gap: .9rem;
  margin-top: 1.35rem;
}

.page-faq .faq-compare__col {
  padding: 1.1rem 1.2rem;
  background: var(--paper-100);
  border-left: 3px solid var(--green-400);
  border-radius: var(--radius);
}

.page-faq .faq-compare__col:nth-child(2) {
  border-left-color: var(--ink-700);
}

.page-faq .faq-compare__col h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .98rem;
  line-height: 1.5;
  margin: 0 0 .8rem;
}

.page-faq .faq-compare dl {
  margin: 0;
  display: grid;
  gap: .7rem;
}

.page-faq .faq-compare dt {
  font-size: .88rem;
  font-weight: 700;
  color: var(--text-900);
}

.page-faq .faq-compare dd {
  margin: .15rem 0 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--text-600);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 1.35rem;
  margin-top: 1.35rem;
}

.page-faq .disclosure {
  background: #fff;
  border: var(--faq-rule);
  border-radius: var(--radius);
  margin-bottom: .6rem;
  transition: border-color .18s ease, box-shadow .18s ease;
}

.page-faq .disclosure[data-open="true"] {
  border-color: rgba(240, 180, 41, .85);
  box-shadow: inset 3px 0 0 var(--card-amber);
}

.page-faq .disclosure__trigger {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: .9rem 1rem;
  background: none;
  border: 0;
  font-family: var(--font-body);
  font-size: .94rem;
  font-weight: 600;
  line-height: 1.55;
  text-align: left;
  color: var(--text-900);
  cursor: pointer;
}

.page-faq .disclosure__trigger:focus-visible {
  outline: 2px solid var(--whistle-600);
  outline-offset: -2px;
}

.page-faq .disclosure__icon {
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--pitch-600);
}

.page-faq .disclosure__inner {
  padding: 0 1rem 1rem;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text-600);
}

.page-faq .disclosure__inner p {
  margin: 0 0 .5rem;
}

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

.page-faq .faq-split__more {
  margin: .9rem 0 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--text-600);
}

.page-faq .faq-split__more a {
  color: var(--pitch-600);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(22, 121, 76, .35);
}

.page-faq .faq-split__more a:hover {
  border-bottom-color: var(--whistle-600);
  color: var(--text-900);
}

/* ---------- 时间轴 ---------- */
.page-faq .faq-timeline {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  border-top: var(--faq-rule);
}

.page-faq .faq-timeline li {
  display: grid;
  grid-template-columns: 1fr;
  gap: .2rem;
  padding: .75rem 0;
  border-bottom: var(--faq-rule);
}

.page-faq .faq-timeline time {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--pitch-600);
}

.page-faq .faq-timeline span {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--text-600);
}

/* ---------- 合集数字 ---------- */
.page-faq .faq-stat {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .8rem;
  align-items: baseline;
  margin: 1.35rem 0 1rem;
  padding: .9rem 1rem;
  background: linear-gradient(96deg, rgba(22, 121, 76, .1), rgba(233, 255, 90, .22));
  border-left: 3px solid var(--pitch-600);
  border-radius: var(--radius);
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 3.6vw, 1.55rem);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--pitch-600);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-stat__text {
  font-size: .85rem;
  line-height: 1.6;
  color: var(--text-600);
}

/* ---------- 联系条 ---------- */
.page-faq .faq-contact {
  position: relative;
  overflow: hidden;
  scroll-margin-top: 96px;
  padding: clamp(2rem, 6vw, 3.5rem) 0;
  background: radial-gradient(120% 130% at 85% 0%, var(--ink-700) 0%, var(--ink-900) 60%);
  color: var(--on-ink);
}

.page-faq .faq-contact::after {
  content: "";
  position: absolute;
  inset: -40% -10% auto auto;
  width: 60%;
  height: 180%;
  background: linear-gradient(112deg, rgba(217, 56, 47, 0) 38%, rgba(217, 56, 47, .17) 50%, rgba(233, 255, 90, .12) 62%, rgba(233, 255, 90, 0) 74%);
  transform: rotate(-2.5deg);
  pointer-events: none;
}

.page-faq .faq-contact .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.page-faq .section-num--ink {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--whistle-300);
  margin-bottom: .6rem;
}

.page-faq .faq-contact h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  line-height: 1.3;
  margin: 0 0 .75rem;
}

.page-faq .faq-contact__intro p {
  margin: 0;
  max-width: 40ch;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--on-ink-dim);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.25rem;
}

.page-faq .faq-contact__rows {
  margin: 0;
  display: grid;
  gap: .1rem;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: .15rem;
  padding: .7rem 0;
  border-top: 1px solid rgba(245, 247, 244, .16);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: 1px solid rgba(245, 247, 244, .16);
}

.page-faq .faq-contact__row dt {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--on-ink-faint);
}

.page-faq .faq-contact__row dd {
  margin: 0;
  font-size: .95rem;
  line-height: 1.65;
  color: var(--on-ink);
  overflow-wrap: anywhere;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-timeline li {
    grid-template-columns: 11rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }

  .page-faq .faq-timeline time {
    text-align: left;
  }

  .page-faq .faq-contact__row {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
    align-items: end;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
    gap: 1.75rem;
  }

  .page-faq .faq-split__more {
    margin-top: 1.1rem;
  }

  .page-faq .faq-figure--square {
    position: sticky;
    top: 1.5rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.25rem);
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 1.5rem;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

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