.page-faq {
  --faq-line: var(--edge-500);
  --faq-gap: clamp(16px, 2.6vw, 28px);
  --faq-pad: clamp(18px, 2.6vw, 28px);
  position: relative;
  overflow-x: clip;
  color: var(--mint-200);
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-faq section[id] {
  scroll-margin-top: 84px;
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  padding: clamp(18px, 3.6vw, 34px) 0 clamp(28px, 5vw, 48px);
  isolation: isolate;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -6%;
  right: -12%;
  width: min(72%, 540px);
  height: 74%;
  background: linear-gradient(150deg, rgba(198, 255, 74, 0.18), rgba(198, 255, 74, 0) 66%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 76%);
  pointer-events: none;
  z-index: -1;
}

.page-faq .faq-hero__copy {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fog-400);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-h1);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--white);
  max-width: 15em;
}

.page-faq .faq-hero__lead {
  margin: 0;
  font-size: var(--step-body);
  line-height: 1.85;
  color: var(--mint-200);
  max-width: 44em;
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-hero__stats li {
  background: var(--panel-700);
  padding: 14px 12px;
  display: grid;
  gap: 4px;
  align-content: start;
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2.6vw, 1.6rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--lime-400);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__cap {
  font-size: var(--step-micro);
  line-height: 1.55;
  color: var(--fog-400);
}

.page-faq .faq-hero__media {
  margin: 0;
  align-self: start;
}

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

/* ---------- section head 统一节奏 ---------- */
.page-faq .section-head {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-faq .section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-h2);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-faq .section-head p {
  margin: 10px 0 0;
  font-size: var(--step-small);
  line-height: 1.8;
  color: var(--fog-400);
  max-width: 62em;
}

.page-faq .faq-triage,
.page-faq .faq-client,
.page-faq .faq-legacy,
.page-faq .faq-compat,
.page-faq .faq-contact {
  padding: clamp(24px, 4vw, 44px) 0;
}

/* ---------- triage ---------- */
.page-faq .triage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .triage__card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: var(--faq-pad);
  background: var(--panel-700);
  transition: background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .triage__card:hover,
.page-faq .triage__card:focus-within {
  background: var(--panel-600);
  box-shadow: inset 0 0 0 1px var(--lime-300);
}

.page-faq .triage__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.page-faq .triage__idx {
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.16em;
  color: var(--fog-400);
}

.page-faq .triage__card h3 {
  margin: 0;
  font-size: var(--step-h3);
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-faq .triage__card p {
  margin: 0;
  font-size: var(--step-small);
  line-height: 1.8;
  color: var(--mint-200);
}

.page-faq .triage__card .triage__next {
  color: var(--fog-400);
  font-size: var(--step-small);
  line-height: 1.8;
}

.page-faq .triage__next span {
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.1em;
  color: var(--amber-500);
}

.page-faq .triage__card .btn {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 分栏 + 步骤 ---------- */
.page-faq .split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
}

.page-faq .step-panel {
  padding: var(--faq-pad);
  background: var(--panel-700);
  border: 1px solid var(--faq-line);
}

.page-faq .steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
}

.page-faq .steps > li {
  counter-increment: faqstep;
  position: relative;
  padding: 18px 0 18px 58px;
  border-top: 1px solid var(--edge-500);
}

.page-faq .steps > li:first-child {
  border-top: 0;
  padding-top: 2px;
}

.page-faq .steps > li::before {
  content: "0" counter(faqstep);
  position: absolute;
  left: 0;
  top: 19px;
  font-family: var(--font-mono);
  font-size: var(--step-small);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--lime-400);
  font-variant-numeric: tabular-nums;
}

.page-faq .steps > li:first-child::before {
  top: 3px;
}

.page-faq .steps h3 {
  margin: 0 0 6px;
  font-size: var(--step-body);
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .steps p {
  margin: 0;
  font-size: var(--step-small);
  line-height: 1.85;
  color: var(--mint-200);
}

/* ---------- 侧栏快捷卡 ---------- */
.page-faq .quick-card {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: var(--faq-pad);
  border: 1px dashed var(--edge-500);
  background: linear-gradient(180deg, rgba(198, 255, 74, 0.07), rgba(16, 56, 43, 0.34));
}

.page-faq .quick-card__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.16em;
  color: var(--lime-400);
}

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

.page-faq .quick-list li {
  display: grid;
  gap: 2px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(43, 90, 72, 0.65);
}

.page-faq .quick-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .quick-list .k {
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.1em;
  color: var(--fog-400);
}

.page-faq .quick-list .v {
  font-size: var(--step-small);
  line-height: 1.7;
  color: var(--white);
}

.page-faq .quick-card .btn {
  justify-self: start;
}

/* ---------- 旧版页面三格 ---------- */
.page-faq .trio {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .trio__cell {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: var(--faq-pad);
  background: var(--panel-700);
}

.page-faq .trio__no {
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.16em;
  color: var(--amber-500);
}

.page-faq .trio__cell h3 {
  margin: 0;
  font-size: var(--step-body);
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .trio__cell p {
  margin: 0;
  font-size: var(--step-small);
  line-height: 1.8;
  color: var(--mint-200);
}

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

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

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 38px 16px 0;
  font-size: var(--step-body);
  font-weight: 600;
  line-height: 1.6;
  color: var(--white);
  cursor: pointer;
  list-style: none;
  transition: color 0.22s var(--ease);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--lime-400);
}

.page-faq .faq-item[open] > .faq-item__q::after {
  content: "–";
}

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--lime-300);
}

.page-faq .faq-item__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.14em;
  color: var(--fog-400);
}

.page-faq .faq-item__a {
  padding: 0 0 18px;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: var(--step-small);
  line-height: 1.85;
  color: var(--mint-200);
}

/* ---------- 兼容清单 ---------- */
.page-faq .compat {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .compat__table {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  background: var(--panel-700);
  border: 1px solid var(--faq-line);
}

.page-faq .compat__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(43, 90, 72, 0.55);
}

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

.page-faq .compat__row--note {
  background: rgba(255, 138, 61, 0.07);
}

.page-faq .compat__os {
  flex: 1 1 auto;
  min-width: 96px;
  font-size: var(--step-small);
  font-weight: 600;
  color: var(--white);
}

.page-faq .compat__ver {
  font-family: var(--font-mono);
  font-size: var(--step-small);
  color: var(--mint-200);
  font-variant-numeric: tabular-nums;
}

.page-faq .compat__row .tag {
  flex: none;
}

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

.page-faq .compat__tip {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber-500);
  font-size: var(--step-small);
  line-height: 1.85;
  color: var(--fog-400);
  max-width: 62em;
}

/* ---------- 联系卡片 ---------- */
.page-faq .contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
}

.page-faq .contact-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: var(--faq-pad);
  background: var(--panel-700);
  border-left: 2px solid var(--lime-400);
}

.page-faq .contact-card h3 {
  margin: 0;
  font-size: var(--step-body);
  font-weight: 700;
  color: var(--white);
}

.page-faq .contact-card p {
  margin: 0;
  font-size: var(--step-small);
  line-height: 1.8;
  color: var(--mint-200);
}

.page-faq .contact-card .btn {
  justify-self: start;
  margin-top: 2px;
}

.page-faq .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .contact-list li {
  display: grid;
  gap: 1px;
}

.page-faq .contact-list .k {
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.1em;
  color: var(--fog-400);
}

.page-faq .contact-list .v {
  font-size: var(--step-small);
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}

/* ---------- 收藏区 ---------- */
.page-faq .faq-save {
  padding: clamp(24px, 4vw, 48px) 0 clamp(32px, 5vw, 64px);
}

.page-faq .faq-save__inner {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 14px;
  padding: clamp(22px, 3.4vw, 40px);
  background: linear-gradient(135deg, var(--panel-600), var(--ink-900) 82%);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-save__inner .anchor-two {
  position: absolute;
  right: -0.05em;
  bottom: -0.34em;
  z-index: 0;
  font-family: var(--font-display);
  font-size: clamp(9rem, 22vw, 17rem);
  line-height: 0.8;
  color: var(--lime-400);
  opacity: 0.1;
  pointer-events: none;
}

.page-faq .faq-save h2 {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-h2);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-faq .faq-save p {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: var(--step-small);
  line-height: 1.85;
  color: var(--mint-200);
  max-width: 58em;
}

.page-faq .faq-save__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-save__links a {
  color: var(--lime-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-save__links a:hover {
  color: var(--lime-300);
}

/* ---------- 断点 ---------- */
@media (min-width: 768px) {
  .page-faq .triage {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-faq .faq-item__a {
    padding-left: 46px;
    padding-right: 38px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-faq .compat {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

@media (min-width: 1024px) {
  .page-faq .split {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .quick-card {
    position: sticky;
    top: 28px;
  }

  .page-faq section[id] {
    scroll-margin-top: 24px;
  }
}

@media (max-width: 420px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .steps > li {
    padding-left: 46px;
  }
}

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

  .page-faq .quick-card {
    position: static;
  }
}
<<<END>>>