.page-faq {
  --faq-gap: clamp(18px, 2.6vw, 34px);
  background: var(--cream);
  color: var(--ink);
}

.page-faq .faq-crumb-row {
  padding: calc(var(--step) * .38) 0 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-mast {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: calc(var(--step) * .42);
  background: linear-gradient(168deg, var(--night) 0%, var(--indigo) 72%, var(--indigo) 100%);
  color: var(--cream);
}

.page-faq .faq-mast::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    repeating-linear-gradient(90deg, rgba(244, 235, 221, .07) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(180deg, rgba(244, 235, 221, .045) 0 1px, transparent 1px 64px);
  pointer-events: none;
}

.page-faq .faq-mast::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -34%;
  z-index: -1;
  width: 48%;
  height: 160%;
  transform: skewX(-11deg);
  background: linear-gradient(152deg, rgba(224, 107, 53, .34), rgba(217, 164, 91, .10) 48%, rgba(36, 240, 200, 0) 78%);
  pointer-events: none;
}

.page-faq .faq-mast__inner {
  position: relative;
  padding: clamp(38px, 6.6vw, 82px) 0 clamp(42px, 6.8vw, 86px);
}

.page-faq .faq-mast__title {
  margin: 14px 0 0;
  max-width: 17em;
  font-family: var(--font-display);
  font-size: clamp(29px, 5.3vw, 58px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: .005em;
  color: var(--cream);
}

.page-faq .faq-mast__lead {
  margin: 20px 0 0;
  max-width: 42ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(244, 235, 221, .84);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid rgba(244, 235, 221, .22);
  background: rgba(11, 20, 38, .44);
  color: rgba(244, 235, 221, .88);
  font-size: 12px;
  letter-spacing: .08em;
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--mint);
  color: var(--mint);
  background: rgba(11, 20, 38, .74);
}

.page-faq .faq-jump__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--sand);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  padding: calc(var(--step) * .95) 0;
}

.page-faq .faq-section--rule {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(180deg, var(--cream-deep) 0%, var(--cream) 62%);
}

.page-faq .faq-section__head {
  display: grid;
  gap: 10px;
  max-width: 60ch;
  margin-bottom: calc(var(--step) * .5);
}

.page-faq .faq-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.3vw, 34px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: .004em;
  color: var(--indigo);
}

.page-faq .faq-section__lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--stone);
}

/* ---------- 三张路径卡 ---------- */
.page-faq .faq-paths {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-path {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 28px;
  background: var(--cream);
}

.page-faq .faq-path::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--sand), var(--poplar));
  transition: transform .24s ease;
}

.page-faq .faq-path:hover::before,
.page-faq .faq-path:focus-within::before {
  transform: scaleX(1);
}

.page-faq .faq-path__num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--sand);
}

.page-faq .faq-path__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--indigo);
}

.page-faq .faq-path__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-faq .faq-path__link {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--sand);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--indigo);
  text-decoration: none;
}

.page-faq .faq-path__link:hover,
.page-faq .faq-path__link:focus-visible {
  color: var(--poplar);
  border-bottom-color: var(--poplar);
}

/* ---------- 分栏 ---------- */
.page-faq .faq-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-step__num {
  grid-column: 1;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--clay);
}

.page-faq .faq-step__title {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--indigo);
}

.page-faq .faq-step__text {
  grid-column: 2;
  margin: 0;
  font-size: 14.8px;
  line-height: 1.85;
  color: var(--stone);
}

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

.page-faq .faq-figure__box {
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--cream-deep);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 路径示意 ---------- */
.page-faq .faq-route {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 calc(var(--step) * .45);
}

.page-faq .faq-route__axis {
  stroke: var(--line);
  stroke-width: 1;
}

.page-faq .faq-route__node {
  fill: var(--cream);
  stroke: var(--sand);
  stroke-width: 2;
}

.page-faq .faq-route__node--hot {
  fill: var(--mint);
  stroke: var(--mint);
}

.page-faq .faq-route__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  fill: var(--stone);
}

/* ---------- 行内说明 ---------- */
.page-faq .faq-aside {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-faq .faq-inline-link {
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 92, 70, .45);
}

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

/* ---------- 版本对照 ---------- */
.page-faq .faq-sync {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  background: var(--cream-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--indigo);
}

.page-faq .faq-sync__dot {
  width: 7px;
  height: 7px;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(36, 240, 200, .22);
}

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

.page-faq .faq-device {
  background: var(--cream);
  padding: 22px;
}

.page-faq .faq-device__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--indigo);
}

.page-faq .faq-device__list {
  margin: 0;
  padding-left: 17px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-faq .faq-device__list li + li {
  margin-top: 7px;
}

/* ---------- 客服区 ---------- */
.page-faq .faq-section--night {
  background: var(--night);
  color: var(--cream);
  border-top: 0;
  border-bottom: 0;
}

.page-faq .faq-section--night .faq-section__title {
  color: var(--cream);
}

.page-faq .faq-section--night .faq-section__lead {
  color: rgba(244, 235, 221, .74);
}

.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(244, 235, 221, .16);
  border: 1px solid rgba(244, 235, 221, .16);
}

.page-faq .faq-contact__cell {
  background: var(--indigo);
  padding: 22px 20px;
}

.page-faq .faq-contact__key {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--sand);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: clamp(13.5px, 1.9vw, 17px);
  line-height: 1.5;
  color: var(--cream);
  word-break: break-all;
}

.page-faq .faq-copy {
  flex: none;
  padding: 5px 11px;
  border: 1px solid rgba(36, 240, 200, .45);
  background: transparent;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  background: var(--mint);
  color: var(--night);
  border-color: var(--mint);
}

.page-faq .faq-note {
  margin: 18px 0 0;
  padding: 13px 16px;
  border-left: 2px solid var(--poplar);
  background: rgba(244, 235, 221, .06);
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(244, 235, 221, .74);
}

.page-faq .faq-section--night .faq-inline-link {
  color: var(--mint);
  border-bottom-color: rgba(36, 240, 200, .42);
}

.page-faq .faq-section--night .faq-inline-link:hover,
.page-faq .faq-section--night .faq-inline-link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

.page-faq .faq-prep {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(244, 235, 221, .16);
}

.page-faq .faq-prep li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(244, 235, 221, .12);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 235, 221, .82);
}

.page-faq .faq-prep__mark {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mint);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(16px, 2.1vw, 20px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--indigo);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 400;
  color: var(--poplar);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "\2013";
}

.page-faq .faq-item__q:hover {
  color: var(--clay);
}

.page-faq .faq-item__a {
  padding: 0 0 20px;
  max-width: 60ch;
  font-size: 14.8px;
  line-height: 1.9;
  color: var(--stone);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-devices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 780px) {
  .page-faq .faq-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-step {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 5px 24px;
    padding: 24px 0;
  }

  .page-faq .faq-step__num {
    font-size: 13.5px;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-cols {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    gap: calc(var(--faq-gap) * 1.2);
  }

  .page-faq .faq-cols--flip {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  }

  .page-faq .faq-section--night .faq-cols {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-path::before,
  .page-faq .faq-jump__link,
  .page-faq .faq-copy {
    transition: none;
  }
}
<<<END>>>