.page-faq {
  --faq-line: rgba(11, 43, 36, .16);
  --faq-paper: #FBF4E6;
  --faq-body: #3A3A31;
  background: var(--cream);
  color: var(--ink);
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
}

.page-faq .breadcrumbs {
  margin: clamp(1rem, 3vw, 1.6rem) 0 clamp(.75rem, 2vw, 1.25rem);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-bottom: clamp(1.75rem, 4vw, 3rem);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  align-items: start;
}

.page-faq .faq-hero__lead h1 {
  margin: .5rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--ink-green);
}

.page-faq .faq-hero__text {
  margin: 1rem 0 0;
  max-width: 62ch;
  font-size: clamp(.95rem, 2.2vw, 1.05rem);
  line-height: 1.78;
  color: var(--faq-body);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.4rem;
}

.page-faq .faq-hero__panel {
  position: relative;
  background: var(--ink-green);
  color: var(--cream);
  padding: 1.15rem 1.2rem 1.35rem;
  box-shadow: 6px 6px 0 rgba(11, 43, 36, .16);
}

.page-faq .faq-hero__panel::before {
  content: "";
  position: absolute;
  inset: .42rem;
  border: 1px solid rgba(99, 245, 180, .28);
  pointer-events: none;
}

.page-faq .faq-hero__panel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-faq .faq-hero__stats li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: .8rem;
  padding-top: .7rem;
  border-top: 1px solid rgba(244, 236, 221, .18);
}

.page-faq .faq-hero__stats .stat-num {
  font-family: var(--font-score);
  font-size: clamp(1.9rem, 6vw, 2.6rem);
  line-height: 1;
  color: var(--mint);
  letter-spacing: .01em;
}

.page-faq .faq-hero__stats em {
  font-style: normal;
  font-size: .86rem;
  line-height: 1.5;
  color: rgba(244, 236, 221, .82);
}

.page-faq .faq-hero__panel-note {
  margin: 1.1rem 0 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: rgba(244, 236, 221, .62);
}

/* ---------- 通用章节间距 ---------- */

.page-faq .faq-prep,
.page-faq .faq-steps,
.page-faq .faq-q,
.page-faq .faq-help {
  padding-top: clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-prep,
.page-faq .faq-steps,
.page-faq .faq-q,
.page-faq .faq-help {
  border-top: 1px solid var(--faq-line);
  margin-top: clamp(1.75rem, 4vw, 3rem);
}

.page-faq .section-head {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .section-head h2 {
  margin: .4rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 4.2vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--ink-green);
}

.page-faq .section-head p:not(.eyebrow) {
  margin: .7rem 0 0;
  max-width: 64ch;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--faq-body);
}

/* ---------- 注册前准备 ---------- */

.page-faq .prep-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.page-faq .prep-card {
  position: relative;
  background: var(--faq-paper);
  border: 1px solid var(--faq-line);
  border-top: 3px solid var(--ink-green);
  padding: 1.1rem 1.15rem 1.25rem;
}

.page-faq .prep-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-faq .prep-card h3 {
  margin: .35rem 0 .55rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  line-height: 1.35;
  color: var(--ink-green);
}

.page-faq .prep-card p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--faq-body);
}

/* ---------- 五步清单 ---------- */

.page-faq .steps-figure {
  margin: 0 0 clamp(1.5rem, 4vw, 2.25rem);
}

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

.page-faq .checklist {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.25rem);
  align-items: start;
}

.page-faq .tree {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-faq .tree::before {
  content: "";
  position: absolute;
  left: 1.25rem;
  top: 1.25rem;
  bottom: 1.25rem;
  width: 2px;
  background: repeating-linear-gradient(
    to bottom,
    rgba(11, 43, 36, .3) 0 6px,
    transparent 6px 12px
  );
}

.page-faq .tree__item {
  position: relative;
  padding-left: 3.6rem;
  padding-bottom: 1.1rem;
}

.page-faq .tree__item:last-child {
  padding-bottom: 0;
}

.page-faq .tree__num {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--cream);
  border: 2px solid var(--ink-green);
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 700;
  color: var(--ink-green);
  transition: background-color .2s ease, color .2s ease;
}

.page-faq .tree__check {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
  width: 2.5rem;
  height: 2.5rem;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.page-faq .tree__check:checked ~ .tree__num {
  background: var(--mint);
  color: var(--night);
}

.page-faq .tree__body {
  background: var(--faq-paper);
  border: 1px solid var(--faq-line);
  padding: 1rem 1.05rem 1.1rem;
  box-shadow: 4px 4px 0 rgba(11, 43, 36, .07);
  transition: border-color .2s ease;
}

.page-faq .tree__check:checked ~ .tree__body {
  border-color: rgba(11, 43, 36, .4);
}

.page-faq .tree__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.08rem;
  line-height: 1.35;
  color: var(--ink-green);
}

.page-faq .tree__desc {
  margin: .5rem 0 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--faq-body);
}

.page-faq .tree__list {
  list-style: none;
  margin: .7rem 0 0;
  padding: 0;
  display: grid;
  gap: .35rem;
}

.page-faq .tree__list li {
  position: relative;
  padding-left: 1rem;
  font-size: .86rem;
  line-height: 1.65;
  color: var(--gray);
}

.page-faq .tree__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .38rem;
  height: .38rem;
  background: var(--amber);
}

.page-faq .tree__check:checked ~ .tree__body .tree__list li::before {
  background: var(--mint);
}

.page-faq .tree__done {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  margin-top: .9rem;
  padding: .34rem .7rem;
  border: 1px dashed rgba(11, 43, 36, .38);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--ink-green);
  cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease;
}

.page-faq .tree__tick {
  width: .62rem;
  height: .62rem;
  border: 1px solid currentColor;
  display: inline-block;
}

.page-faq .tree__check:checked ~ .tree__body .tree__done {
  background: var(--mint);
  border-style: solid;
  border-color: var(--ink-green);
  color: var(--night);
}

.page-faq .checklist__shot {
  display: grid;
  gap: .8rem;
  max-width: 23rem;
}

.page-faq .checklist__cap {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 常用栏 ---------- */

.page-faq .fav-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  padding: clamp(1.25rem, 4vw, 2.5rem);
  background: var(--ink-green);
  color: var(--cream);
}

.page-faq .fav-panel::after {
  content: "";
  position: absolute;
  left: 35%;
  right: -12%;
  bottom: -45%;
  height: 75%;
  background: radial-gradient(closest-side, rgba(99, 245, 180, .2), transparent);
  pointer-events: none;
}

.page-faq .fav-panel__text {
  position: relative;
  z-index: 1;
}

.page-faq .fav-panel .eyebrow {
  color: var(--mint);
}

.page-faq .fav-panel h2 {
  margin: .45rem 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 4.4vw, 2.05rem);
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--cream);
}

.page-faq .fav-panel p {
  margin: .8rem 0 0;
  max-width: 56ch;
  font-size: .92rem;
  line-height: 1.78;
  color: rgba(244, 236, 221, .86);
}

.page-faq .fav-panel a:not(.btn) {
  color: var(--mint);
  text-decoration: underline;
  text-underline-offset: .18em;
}

.page-faq .fav-panel .btn {
  margin-top: 1.2rem;
}

.page-faq .fav-slots {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .6rem;
  align-content: start;
}

.page-faq .fav-slots li {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem .7rem;
  border: 1px dashed rgba(99, 245, 180, .42);
  background: rgba(6, 21, 18, .55);
  font-size: .82rem;
  color: rgba(244, 236, 221, .92);
}

.page-faq .fav-slots li span {
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--mint);
}

/* ---------- 常见问题 ---------- */

.page-faq .q-groups {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .q-group {
  counter-reset: faqitem;
  min-width: 0;
}

.page-faq .q-group__title {
  margin: 0 0 .3rem;
  padding-bottom: .55rem;
  border-bottom: 2px solid var(--ink-green);
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-green);
}

.page-faq .q-item {
  counter-increment: faqitem;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .q-item summary {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding: .85rem 0;
  list-style: none;
  cursor: pointer;
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-green);
}

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

.page-faq .q-item summary::before {
  content: counter(faqitem, decimal-leading-zero);
  flex: none;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--gray);
}

.page-faq .q-item[open] summary {
  color: var(--ink);
}

.page-faq .q-item[open] summary::before {
  color: var(--amber);
}

.page-faq .q-item p {
  margin: 0 0 0 1.75rem;
  padding-bottom: .95rem;
  font-size: .89rem;
  line-height: 1.78;
  color: var(--faq-body);
}

.page-faq .q-item p a {
  color: var(--ink-green);
  text-decoration: underline;
  text-underline-offset: .18em;
  text-decoration-color: rgba(99, 245, 180, .9);
}

/* ---------- 需要帮助时 ---------- */

.page-faq .faq-help {
  padding-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-help__inner {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  align-items: start;
}

.page-faq .faq-help__lead h2 {
  margin: .45rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 4.2vw, 2.05rem);
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--ink-green);
}

.page-faq .faq-help__lead p {
  margin: .8rem 0 0;
  max-width: 58ch;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--faq-body);
}

.page-faq .faq-help__lead a {
  color: var(--ink-green);
  text-decoration: underline;
  text-underline-offset: .18em;
  text-decoration-color: rgba(99, 245, 180, .9);
}

.page-faq .help-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .help-list li {
  display: grid;
  grid-template-columns: 5.6rem minmax(0, 1fr);
  gap: .75rem;
  align-items: baseline;
  padding: .75rem 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .help-list__k {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--gray);
}

.page-faq .help-list__v {
  font-size: .92rem;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */

@media (min-width: 40rem) {
  .page-faq .prep-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .fav-slots {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 56rem) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  }

  .page-faq .faq-hero__panel {
    margin-top: .4rem;
  }

  .page-faq .prep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .q-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.75rem 2.5rem;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
  }

  .page-faq .fav-panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }
}

@media (min-width: 62rem) {
  .page-faq .checklist {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }

  .page-faq .checklist__shot {
    position: sticky;
    top: 6.5rem;
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .tree__num,
  .page-faq .tree__body,
  .page-faq .tree__done {
    transition: none;
  }
}
<<<END>>>