.page-faq {
  --faq-cut: 12px;
  --faq-space: clamp(56px, 8vw, 104px);
  --faq-hero-accent: var(--grn);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--faq-space) * 0.9) 0 clamp(40px, 6vw, 72px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -12%;
  width: 46%;
  height: 70%;
  background: linear-gradient(200deg, rgba(184, 255, 60, .10), transparent 62%);
  transform: skewY(-12deg);
  pointer-events: none;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 28px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 9.4vw, 96px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 14px 0 0;
  max-width: 15ch;
}

.page-faq .faq-hero__accent {
  color: var(--grn);
  -webkit-text-stroke: 0;
  text-shadow: 0 0 26px rgba(184, 255, 60, .28);
}

.page-faq .faq-hero__grid {
  margin-top: clamp(28px, 5vw, 52px);
  display: grid;
  gap: clamp(28px, 5vw, 64px);
}

.page-faq .faq-hero__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--gray);
  max-width: 62ch;
}

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

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

.page-faq .faq-hero__index a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 2px;
  color: var(--gray);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  transition: color .18s var(--ease), transform .18s var(--ease);
}

.page-faq .faq-hero__index a:hover,
.page-faq .faq-hero__index a:focus-visible {
  color: var(--grn);
  transform: translateX(2px);
}

.page-faq .faq-hero__idx {
  color: var(--grn);
  font-weight: 600;
}

/* ---------- 斜线分割条 ---------- */
.page-faq .faq-diagonal {
  height: 16px;
  background-image: repeating-linear-gradient(78deg, var(--line-soft) 0 1px, transparent 1px 16px);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-section {
  padding: var(--faq-space) 0;
}

.page-faq .faq-section--graphite {
  background: var(--ink-2);
}

.page-faq .faq-section__head {
  max-width: 60ch;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.page-faq .faq-section__head--left {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-section__head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--paper);
  margin: 10px 0 0;
}

.page-faq .faq-section__sub {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--gray);
}

.page-faq .faq-link {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 216, 255, .45);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--grn);
  border-color: var(--grn);
}

/* ---------- 三步开始 ---------- */
.page-faq .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .step {
  display: grid;
  gap: 12px;
  padding: clamp(24px, 4vw, 36px) 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: clamp(44px, 11vw, 88px);
  line-height: 0.85;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--grn);
  text-shadow: 0 0 18px rgba(184, 255, 60, .22);
}

.page-faq .step__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.3;
  color: var(--paper);
  margin: 0 0 10px;
}

.page-faq .step__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--gray);
  max-width: 66ch;
}

.page-faq .step__hint {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray-dim);
  padding-left: 14px;
  border-left: 2px solid var(--org);
  max-width: 62ch;
}

.page-faq .step__hint-key {
  color: var(--org);
}

/* ---------- 双栏（切换电脑端） ---------- */
.page-faq .split {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-faq .split__text h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--paper);
  margin: 10px 0 20px;
}

.page-faq .split__text .prose {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--gray);
  max-width: 64ch;
}

.page-faq .split__sub {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--paper);
  margin: 28px 0 14px;
}

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

.page-faq .check-list li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .check-list__n {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
  background: var(--grn);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

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

.page-faq .media {
  position: relative;
  overflow: hidden;
  background: var(--ink-3);
}

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

.page-faq .media--4x3 {
  aspect-ratio: 4 / 3;
}

.page-faq .media--wide {
  aspect-ratio: 16 / 9;
  margin: 0;
}

.page-faq .media--cut {
  clip-path: polygon(var(--faq-cut) 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%, 0 var(--faq-cut));
}

.page-faq .media--scan::after,
.page-faq .media--dot::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-faq .media--scan::after {
  background-image: repeating-linear-gradient(0deg, rgba(10, 13, 11, .22) 0 1px, transparent 1px 4px);
}

.page-faq .media--dot::after {
  background-image: radial-gradient(rgba(10, 13, 11, .30) 1px, transparent 1px);
  background-size: 5px 5px;
}

.page-faq .media__cap {
  position: absolute;
  left: 16px;
  bottom: 14px;
  right: 16px;
  font-family: var(--font-serif);
  font-size: 13px;
  line-height: 1.5;
  color: var(--paper);
  text-shadow: 0 1px 10px rgba(10, 13, 11, .9);
}

/* ---------- 会员方案 ---------- */
.page-faq .plan-grid {
  display: grid;
  gap: 18px;
}

.page-faq .plan {
  --cut: var(--faq-cut);
  --cut-pad: clamp(22px, 3vw, 30px);
  --cut-bg: var(--ink-2);
  --cut-edge: var(--line-soft);
  padding: var(--cut-pad);
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
}

.page-faq .plan--hot {
  border-color: var(--grn);
  box-shadow: inset 0 0 0 1px rgba(184, 255, 60, .18), 0 0 26px rgba(184, 255, 60, .10);
}

.page-faq .plan__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink);
  background: var(--grn);
  padding: 3px 9px;
  margin: 0 0 14px;
  border-left: 0;
}

.page-faq .plan--hot .plan__tag {
  background: var(--org);
  color: var(--paper);
}

.page-faq .plan__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  line-height: 1.25;
  color: var(--paper);
  margin: 0 0 10px;
}

.page-faq .plan__for {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray);
}

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

.page-faq .plan__list li {
  position: relative;
  padding: 10px 0 10px 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--gray-dim);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .plan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 8px;
  height: 2px;
  background: var(--ice);
}

.page-faq .plan-foot {
  margin: clamp(26px, 4vw, 38px) 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
  max-width: 68ch;
}

/* ---------- 复盘指标 ---------- */
.page-faq .metric-grid {
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .metric {
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .metric__no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ice);
  margin: 0 0 8px;
}

.page-faq .metric__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  color: var(--paper);
  margin: 0 0 8px;
}

.page-faq .metric__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--gray);
}

.page-faq .review-strip {
  margin-top: clamp(28px, 4vw, 44px);
  display: grid;
  gap: 18px;
}

.page-faq .review-strip__item {
  padding: 22px 20px;
  background: var(--ink-3);
  border-left: 2px solid var(--ice);
}

.page-faq .review-strip__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--paper);
  margin: 0 0 8px;
}

.page-faq .review-strip__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--gray);
}

/* ---------- 下载区 ---------- */
.page-faq .cam-grid {
  display: grid;
  gap: 14px;
}

.page-faq .cam {
  padding: 18px;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  clip-path: polygon(var(--faq-cut) 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%, 0 var(--faq-cut));
}

.page-faq .cam__id {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--grn);
  margin: 0 0 8px;
}

.page-faq .cam__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--gray);
}

.page-faq .trouble {
  margin-top: clamp(32px, 5vw, 52px);
}

.page-faq .trouble__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 24px);
  color: var(--paper);
  margin: 0 0 20px;
}

.page-faq .trouble__chart {
  margin: 0 0 24px;
}

.page-faq .trouble__chart svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .trouble__line {
  stroke: rgba(184, 255, 60, .45);
  stroke-width: 1.5;
  stroke-dasharray: 5 5;
}

.page-faq .trouble__node {
  fill: var(--ink-2);
  stroke: rgba(198, 207, 200, .25);
  stroke-width: 1;
}

.page-faq .trouble__label {
  fill: var(--gray);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
}

.page-faq .trouble__dot {
  fill: var(--grn);
}

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

.page-faq .trouble__list li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--gray);
}

.page-faq .trouble__n {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--org);
  padding-top: 4px;
}

/* ---------- 同步 ---------- */
.page-faq .sync-grid {
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--line-soft);
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-faq .sync {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .sync__k {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .03em;
  color: var(--ice);
  margin: 0 0 6px;
}

.page-faq .sync__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--gray);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line-soft);
}

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

.page-faq .faq-q__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 20px 0 20px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  transition: padding-left .18s var(--ease);
}

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

.page-faq .faq-q__head::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 14px;
  bottom: 14px;
  width: 3px;
  background: var(--grn);
  opacity: 0;
  transition: opacity .18s var(--ease);
}

.page-faq .faq-q__head:hover {
  padding-left: 6px;
}

.page-faq .faq-q__head:hover .faq-q__text,
.page-faq .faq-q__head:focus-visible .faq-q__text {
  color: var(--grn);
}

.page-faq .faq-q[open] .faq-q__head::before {
  opacity: 1;
}

.page-faq .faq-q[open] .faq-q__mark {
  transform: rotate(90deg);
  background: var(--grn);
  color: var(--ink);
}

.page-faq .faq-q__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gray-dim);
  padding-top: 5px;
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2.2vw, 20px);
  line-height: 1.4;
  color: var(--paper);
  transition: color .18s var(--ease);
}

.page-faq .faq-q__mark {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  align-self: center;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--grn);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  transition: transform .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-q__mark::after {
  content: ">";
}

.page-faq .faq-q__body {
  padding: 0 0 22px;
  animation: faqReveal .18s var(--ease);
}

.page-faq .faq-q__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
  max-width: 68ch;
}

@keyframes faqReveal {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact {
  padding: var(--faq-space) 0 calc(var(--faq-space) * 1.1);
}

.page-faq .faq-contact__inner {
  --cut: var(--faq-cut);
  --cut-pad: clamp(26px, 4vw, 46px);
  --cut-bg: var(--paper);
  padding: var(--cut-pad);
  background: var(--paper);
  color: var(--paper-ink);
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-faq .faq-contact__inner .eyebrow {
  color: var(--grn-deep);
}

.page-faq .faq-contact__inner h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--paper-ink);
  margin: 10px 0 14px;
}

.page-faq .faq-contact__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: #2A2E2A;
  max-width: 56ch;
}

.page-faq .faq-contact__line {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--paper-ink);
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.page-faq .faq-contact__key {
  flex: 0 0 auto;
  width: 48px;
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--ink);
  background: var(--grn);
  text-align: center;
  padding: 2px 0;
}

.page-faq .faq-contact__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--org);
  font-size: 14px;
  line-height: 1.75;
  color: #2A2E2A;
}

.page-faq .faq-contact__note .faq-link {
  color: var(--ink);
  border-bottom-color: rgba(16, 18, 16, .35);
}

.page-faq .faq-contact__note .faq-link:hover,
.page-faq .faq-contact__note .faq-link:focus-visible {
  color: var(--grn-deep);
  border-bottom-color: var(--grn-deep);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .step {
    grid-template-columns: 110px 1fr;
    gap: 24px;
    align-items: start;
  }

  .page-faq .step__num {
    font-size: clamp(56px, 9vw, 88px);
  }

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

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

  .page-faq .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 48px);
  }

  .page-faq .sync-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 48px);
  }

  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--faq-space) * 1.1);
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: end;
  }

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

  .page-faq .split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-faq .split__media {
    position: sticky;
    top: 32px;
  }

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

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

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

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q__body {
    animation: none;
  }

  .page-faq .faq-q__mark,
  .page-faq .faq-q__head,
  .page-faq .faq-hero__index a {
    transition: none;
  }
}
<<<END>>>