.page-faq {
  --faq-line: 2px solid var(--charcoal);
  --faq-pad: clamp(16px, 4vw, 40px);
  --faq-gap: clamp(24px, 4vw, 52px);
  color: var(--charcoal);
  background: var(--cream);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-green);
  color: var(--paper);
  padding: clamp(24px, 5vw, 56px) 0 clamp(22px, 4vw, 44px);
  border-bottom: var(--faq-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -18%;
  width: min(58vw, 520px);
  height: 140%;
  background: var(--cyan);
  opacity: 0.14;
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--gold) 0 28px, transparent 28px 56px);
  opacity: 0.7;
}

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

.page-faq .faq-hero__crumb {
  color: var(--mist);
  margin-bottom: clamp(16px, 3vw, 28px);
}

.page-faq .faq-hero__crumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .faq-hero__crumb a:hover {
  text-decoration: underline;
}

.page-faq .faq-hero__tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-green);
  background: var(--gold);
  border: var(--faq-line);
  border-color: var(--gold);
  padding: 4px 12px;
  margin: 0 0 16px;
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__title em {
  display: block;
  font-style: normal;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(20px, 4vw, 38px);
  line-height: 1.25;
  color: var(--cyan);
  margin-top: 10px;
  letter-spacing: 0.01em;
}

.page-faq .faq-hero__lead {
  max-width: 58ch;
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-jump {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-faq .faq-jump__link {
  flex: 0 0 auto;
  display: inline-block;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--paper);
  background: var(--night-green);
  border: 1px solid var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--night-green);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding: clamp(26px, 4vw, 56px) 0 clamp(40px, 6vw, 80px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
}

/* ---------- 侧边目录 ---------- */
.page-faq .faq-side {
  border: var(--faq-line);
  background: var(--paper);
  padding: 16px 18px 18px;
  box-shadow: 5px 5px 0 var(--charcoal);
}

.page-faq .faq-side__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-side__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--charcoal);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-side__link .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--steel);
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  border-left-color: var(--cyan);
  background: var(--cream);
}

.page-faq .faq-side__note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--mist);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 分块 ---------- */
.page-faq .faq-main {
  min-width: 0;
  padding-right: 6px;
}

.page-faq .faq-group {
  margin-bottom: clamp(32px, 5vw, 60px);
  scroll-margin-top: 80px;
}

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

.page-faq .faq-group__head {
  margin-bottom: 20px;
}

.page-faq .faq-group__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--night-green);
  background: var(--gold);
  padding: 2px 10px;
  margin-bottom: 10px;
}

.page-faq .faq-group__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink-green);
}

.page-faq .faq-group__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--charcoal);
}

.page-faq .faq-inline {
  color: var(--ink-green);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}

.page-faq .faq-inline:hover {
  color: var(--ember);
}

/* ---------- 适配矩阵 ---------- */
.page-faq .faq-matrix {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  border: var(--faq-line);
  background: var(--paper);
}

.page-faq .faq-matrix__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 12px;
  padding: 14px 16px;
  border-bottom: var(--faq-line);
}

.page-faq .faq-matrix__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-matrix__row:nth-child(even) {
  background: var(--cream);
}

.page-faq .faq-matrix__cell {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--charcoal);
}

.page-faq .faq-matrix__cell--key {
  font-weight: 800;
  font-size: 15px;
  color: var(--ink-green);
}

.page-faq .status {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 4px 8px;
  white-space: nowrap;
  border: 1px solid var(--charcoal);
}

.page-faq .status--ok {
  background: var(--cyan);
  color: var(--night-green);
}

.page-faq .status--set {
  background: var(--gold);
  color: var(--night-green);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
}

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

.page-faq .faq-figure--aside {
  margin-bottom: 14px;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: var(--faq-line);
  background: var(--paper);
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-item:hover {
  box-shadow: 4px 0 0 var(--charcoal);
}

.page-faq .faq-item[open] {
  box-shadow: 4px 0 0 var(--cyan);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink-green);
  list-style: none;
}

.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item__q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--ember);
  transition: transform 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  transform: rotate(180deg);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-faq .faq-item__a {
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--charcoal);
  border-top: 1px dashed var(--mist);
  padding-top: 12px;
}

/* ---------- 订阅步骤与方案 ---------- */
.page-faq .faq-subgrid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--charcoal);
  border-left: 3px solid var(--mist);
  padding-left: 12px;
}

.page-faq .faq-steps__n {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  color: var(--night-green);
  background: var(--cyan);
  padding: 2px 6px;
  align-self: flex-start;
}

.page-faq .faq-plans {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-plans__item {
  border: var(--faq-line);
  background: var(--paper);
  padding: 14px 16px;
}

.page-faq .faq-plans__item--hot {
  background: var(--ink-green);
  color: var(--paper);
}

.page-faq .faq-plans__item--hot .faq-plans__name,
.page-faq .faq-plans__item--hot .faq-plans__price,
.page-faq .faq-plans__item--hot .faq-plans__price span {
  color: var(--paper);
}

.page-faq .faq-plans__item--hot .faq-plans__price {
  color: var(--cyan);
}

.page-faq .faq-plans__item--hot .faq-plans__fit {
  color: var(--mist);
}

.page-faq .faq-plans__name {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 800;
  color: var(--ink-green);
}

.page-faq .faq-plans__price {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--ember);
}

.page-faq .faq-plans__price span {
  font-size: 12px;
  font-weight: 400;
  color: var(--steel);
  margin-left: 4px;
}

.page-faq .faq-plans__fit {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-hint {
  margin: 0;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--charcoal);
  background: var(--cream);
  border-left: 4px solid var(--gold);
}

/* ---------- 联系块 ---------- */
.page-faq .faq-group--contact .faq-contact {
  background: var(--ink-green);
  border: var(--faq-line);
  box-shadow: 6px 6px 0 var(--gold);
  padding: clamp(18px, 3vw, 30px);
  color: var(--paper);
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact__item {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(214, 226, 219, 0.28);
}

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

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-contact__value {
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  text-decoration: none;
  word-break: break-word;
}

.page-faq a.faq-contact__value:hover {
  color: var(--gold);
  text-decoration: underline;
}

.page-faq .faq-contact__note {
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-contact__note .faq-inline {
  color: var(--cyan);
  text-decoration-color: var(--cyan);
}

.page-faq .faq-contact__cta {
  display: inline-block;
  border: var(--faq-line);
  border-color: var(--charcoal);
  font-weight: 700;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-matrix__row {
    grid-template-columns: 130px minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
  }

  .page-faq .status {
    grid-column: 3;
    grid-row: 1;
  }

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

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

  .page-faq .faq-contact__item {
    border-bottom: 0;
    border-top: 2px solid rgba(214, 226, 219, 0.3);
    padding: 10px 0 0;
  }

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

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-subgrid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
    gap: 28px;
  }

  .page-faq .faq-item__q {
    font-size: 16px;
    padding: 16px 20px;
  }

  .page-faq .faq-item__a {
    padding: 14px 20px 18px;
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-jump__link,
  .page-faq .faq-side__link,
  .page-faq .faq-item__q::after {
    transition: none;
  }
}
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