.page-faq {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.02rem;
  line-height: 1.8;
  overflow-x: hidden;
}

/* ---------- 面包屑条 ---------- */
.page-faq .faq-crumbbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 18px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--pad);
}

.page-faq .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--clay);
}

.page-faq .crumbs__item + .crumbs__item::before {
  content: "/";
  margin: 0 9px;
  color: var(--sand);
}

.page-faq .crumbs__link {
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .crumbs__link:hover {
  color: var(--lake);
  border-bottom-color: var(--lake);
}

.page-faq .faq-crumbbar__tag {
  font-size: .7rem;
  letter-spacing: .22em;
  color: var(--sand);
  padding-left: 10px;
  border-left: 2px solid var(--sand);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 22px var(--pad) 54px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 34px;
  max-width: var(--maxw);
  margin: 0 auto;
}

.page-faq .faq-kicker {
  display: inline-block;
  margin: 0 0 18px;
  padding: 3px 0 3px 12px;
  border-left: 2px solid var(--pome);
  font-size: .74rem;
  letter-spacing: .22em;
  color: var(--clay);
}

.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(1.85rem, 5.4vw, 3.05rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.24;
  color: var(--rock);
}

.page-faq .faq-lead {
  margin: 0 0 28px;
  max-width: 48ch;
  font-size: 1rem;
  color: var(--ink);
}

.page-faq .faq-hero__facts {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--hair);
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: var(--hair);
  font-size: .93rem;
  color: var(--rock);
}

.page-faq .faq-hero__facts .mono {
  flex: none;
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--sand);
}

.page-faq .faq-hero__viz {
  position: relative;
  padding: 18px;
  border: var(--hair);
  background:
    linear-gradient(158deg, rgba(46, 126, 123, .10), rgba(62, 47, 35, .05) 62%),
    var(--paper);
}

.page-faq .faq-hero__viz::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 15px;
  height: 15px;
  background: var(--sand);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

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

.page-faq .faq-viz__dotp { fill: rgba(201, 162, 75, .34); }
.page-faq .faq-viz__bg { opacity: .55; }
.page-faq .faq-viz__route {
  fill: none;
  stroke: var(--sand);
  stroke-width: 1.6;
  stroke-dasharray: 7 6;
}
.page-faq .faq-viz__route-live {
  fill: none;
  stroke: var(--lake);
  stroke-width: 3;
}
.page-faq .faq-viz__dot {
  fill: var(--paper);
  stroke: var(--sand);
  stroke-width: 2;
}
.page-faq .faq-viz__dot--on {
  fill: var(--lake);
  stroke: var(--lake-deep);
}
.page-faq .faq-viz__label {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: .06em;
  fill: var(--rock);
}
.page-faq .faq-viz__no {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .12em;
  fill: var(--sand);
}

/* ---------- 章节跳转条 ---------- */
.page-faq .faq-jump {
  display: flex;
  gap: 1px;
  overflow-x: auto;
  background: var(--hair-col);
  border-top: var(--hair);
  border-bottom: var(--hair);
  scrollbar-width: none;
}

.page-faq .faq-jump::-webkit-scrollbar { display: none; }

.page-faq .faq-jump a {
  flex: none;
  padding: 11px 18px;
  background: var(--paper);
  color: var(--clay);
  text-decoration: none;
  font-size: .84rem;
  letter-spacing: .05em;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-jump a:hover {
  color: var(--lake-deep);
  background: var(--sand-lite);
}

/* ---------- 章节容器 ---------- */
.page-faq .faq-block {
  padding: 0 var(--pad);
}

.page-faq .faq-block__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 50px 0 56px;
  border-top: var(--hair);
}

.page-faq .faq-block__head {
  display: grid;
  gap: 12px;
  margin-bottom: 30px;
}

.page-faq .faq-block__no {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .22em;
  color: var(--sand);
}

.page-faq .faq-block__head h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3.2vw, 1.9rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.32;
  color: var(--rock);
}

.page-faq .faq-block__sub {
  margin: 0;
  max-width: 64ch;
  font-size: .95rem;
  color: var(--clay);
}

/* ---------- 图 ---------- */
.page-faq .faq-fig {
  margin: 0 0 26px;
  padding: 10px;
  border: var(--hair);
  background: var(--paper);
}

.page-faq .faq-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.9);
}

.page-faq .faq-fig--wide {
  max-width: 860px;
}

.page-faq .faq-fig--tall {
  margin: 0;
}

/* ---------- 步骤清单 ---------- */
.page-faq .faq-track {
  height: 3px;
  margin-bottom: 22px;
  background: rgba(201, 162, 75, .2);
  overflow: hidden;
}

.page-faq .faq-track__fill {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--sand), var(--lake));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-slow) var(--ease);
}

.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--hair);
}

.page-faq .faq-steps__item {
  position: relative;
  padding: 20px 0 24px;
  border-bottom: var(--hair);
}

.page-faq .faq-steps__box {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-faq .faq-steps__row {
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
}

.page-faq .faq-steps__no {
  flex: none;
  min-width: 38px;
  padding: 2px 7px;
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: .1em;
  text-align: center;
  color: var(--sand);
  border: var(--hair);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-steps__title {
  flex: 1 1 auto;
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--rock);
}

.page-faq .faq-steps__mark {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--sand);
}

.page-faq .faq-steps__mark::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--lake);
  opacity: 0;
  transform: scale(.4);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-steps__desc {
  margin: 12px 0 0;
  padding-left: 52px;
  font-size: .94rem;
  color: var(--clay);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-steps__box:focus-visible ~ .faq-steps__row {
  outline: 2px solid var(--lake);
  outline-offset: 4px;
}

.page-faq .faq-steps__box:checked ~ .faq-steps__row .faq-steps__no {
  background: var(--lake);
  border-color: var(--lake);
  color: var(--paper);
}

.page-faq .faq-steps__box:checked ~ .faq-steps__row .faq-steps__mark {
  border-color: var(--lake);
}

.page-faq .faq-steps__box:checked ~ .faq-steps__row .faq-steps__mark::after {
  opacity: 1;
  transform: scale(1);
}

.page-faq .faq-steps__box:checked ~ .faq-steps__desc {
  color: var(--ink);
}

.page-faq .faq-block--steps:has(#faq-step-1:checked) .faq-track__fill {
  transform: scaleX(.34);
}

.page-faq .faq-block--steps:has(#faq-step-1:checked):has(#faq-step-2:checked) .faq-track__fill {
  transform: scaleX(.67);
}

.page-faq .faq-block--steps:has(#faq-step-1:checked):has(#faq-step-2:checked):has(#faq-step-3:checked) .faq-track__fill {
  transform: scaleX(1);
}

/* ---------- 复制按钮 ---------- */
.page-faq .faq-copy {
  display: inline-block;
  margin-top: 24px;
  padding: 10px 18px;
  font-family: var(--sans);
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--rock);
  background: transparent;
  border: var(--hair-strong);
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-copy:hover {
  background: var(--sand-lite);
  border-color: var(--sand);
}

.page-faq .faq-copy.is-copied {
  background: var(--lake);
  border-color: var(--lake);
  color: var(--paper);
}

/* ---------- 折叠问答组 ---------- */
.page-faq .faq-cases {
  border-top: var(--hair);
}

.page-faq .faq-case {
  border-bottom: var(--hair);
}

.page-faq .faq-case__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 4px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

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

.page-faq .faq-case__head:hover {
  background: rgba(201, 162, 75, .08);
}

.page-faq .faq-case__head:focus-visible {
  outline: 2px solid var(--lake);
  outline-offset: -2px;
}

.page-faq .faq-case__no {
  flex: none;
  min-width: 30px;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--sand);
}

.page-faq .faq-case__title {
  flex: 1 1 auto;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--rock);
}

.page-faq .faq-case__badge {
  display: none;
  flex: none;
  padding: 3px 9px;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .1em;
  color: var(--clay);
  border: var(--hair);
  white-space: nowrap;
}

.page-faq .faq-case__arrow {
  flex: none;
  width: 9px;
  height: 9px;
  margin-right: 4px;
  border-right: 1.5px solid var(--sand);
  border-bottom: 1.5px solid var(--sand);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-case[open] .faq-case__arrow {
  border-color: var(--lake);
  transform: rotate(-135deg);
}

.page-faq .faq-case__body {
  display: grid;
  gap: 10px;
  padding: 0 4px 22px 44px;
  animation: faqFoldIn var(--dur-slow) var(--ease);
}

@keyframes faqFoldIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

.page-faq .faq-case__body p {
  margin: 0;
  font-size: .94rem;
  color: var(--clay);
}

.page-faq .faq-case__body strong {
  margin-right: 4px;
  font-weight: 700;
  color: var(--rock);
}

.page-faq .faq-case__body a {
  color: var(--lake-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 126, 123, .45);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-case__body a:hover {
  border-bottom-color: var(--lake);
}

.page-faq .faq-case__done {
  padding-left: 12px;
  border-left: 2px solid var(--lake);
  color: var(--lake-deep) !important;
}

/* ---------- iOS 检查 ---------- */
.page-faq .faq-ios {
  display: grid;
  gap: 28px;
}

.page-faq .faq-lvls {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--hair);
}

.page-faq .faq-lvl {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 0 14px;
  padding: 20px 0 22px;
  border-bottom: var(--hair);
}

.page-faq .faq-lvl__no {
  display: block;
  padding-top: 3px;
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--sand);
}

.page-faq .faq-lvl__title {
  margin: 0 0 8px;
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--rock);
}

.page-faq .faq-lvl__body p {
  margin: 0 0 8px;
  font-size: .94rem;
  color: var(--clay);
}

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

.page-faq .faq-lvl__body a {
  color: var(--lake-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 126, 123, .45);
}

.page-faq .faq-lvl__body a:hover {
  border-bottom-color: var(--lake);
}

.page-faq .faq-lvl__hint {
  padding-left: 12px;
  border-left: 2px solid var(--sand);
  color: var(--rock) !important;
  font-size: .9rem !important;
}

/* ---------- 反馈准备 ---------- */
.page-faq .faq-need {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--hair-col);
  border: var(--hair);
}

.page-faq .faq-need__item {
  padding: 22px 20px 26px;
  background: var(--paper);
}

.page-faq .faq-need__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .2em;
  color: var(--sand);
}

.page-faq .faq-need__title {
  margin: 0 0 10px;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--rock);
}

.page-faq .faq-need__why {
  margin: 0;
  font-size: .92rem;
  color: var(--clay);
}

.page-faq .faq-report__go {
  margin: 22px 0 0;
  font-size: .94rem;
  color: var(--clay);
}

.page-faq .faq-report__go a {
  color: var(--lake-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 126, 123, .45);
}

.page-faq .faq-report__go a:hover {
  border-bottom-color: var(--lake);
}

/* ---------- 易误判对照 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 1px;
  background: var(--hair-col);
  border: var(--hair);
}

.page-faq .faq-split__col {
  padding: 24px 20px 28px;
  background: var(--paper);
  box-shadow: inset 3px 0 0 var(--sand);
}

.page-faq .faq-split__col--warn {
  box-shadow: inset 3px 0 0 var(--pome);
}

.page-faq .faq-split__col--ok {
  box-shadow: inset 3px 0 0 var(--lake);
}

.page-faq .faq-split__title {
  margin: 0 0 14px;
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--rock);
}

.page-faq .faq-split__col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-split__col li {
  position: relative;
  padding: 9px 0 9px 18px;
  font-size: .93rem;
  color: var(--clay);
  border-bottom: var(--dash);
}

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

.page-faq .faq-split__col li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--sand);
}

.page-faq .faq-split__col a {
  color: var(--lake-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 126, 123, .45);
}

.page-faq .faq-split__col a:hover {
  border-bottom-color: var(--lake);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-tail {
  padding: 46px var(--pad) 58px;
  border-top: 1px solid var(--sand);
  background: var(--rock);
  color: var(--paper);
}

.page-faq .faq-tail__inner {
  display: grid;
  gap: 18px;
  max-width: var(--maxw);
  margin: 0 auto;
}

.page-faq .faq-tail h2 {
  margin: 0;
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.34;
  color: var(--sand-lite);
}

.page-faq .faq-tail p {
  margin: 0;
  max-width: 62ch;
  font-size: .95rem;
  color: rgba(243, 235, 220, .84);
}

.page-faq .faq-tail p a {
  color: var(--sand-lite);
  text-decoration: none;
  border-bottom: 1px solid rgba(228, 206, 151, .5);
}

.page-faq .faq-tail p a:hover {
  border-bottom-color: var(--sand-lite);
}

.page-faq .faq-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-faq .faq-btn {
  display: inline-block;
  padding: 12px 22px;
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-btn--primary {
  background: var(--sand);
  color: var(--rock);
}

.page-faq .faq-btn--primary:hover {
  background: var(--sand-lite);
}

.page-faq .faq-btn--ghost {
  border-color: rgba(201, 162, 75, .62);
  color: var(--sand-lite);
}

.page-faq .faq-btn--ghost:hover {
  background: rgba(201, 162, 75, .16);
  border-color: var(--sand);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-case__badge {
    display: inline-block;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-need {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-ios {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding-top: 30px;
    padding-bottom: 66px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: center;
  }

  .page-faq .faq-block__inner {
    padding-top: 62px;
    padding-bottom: 70px;
  }

  .page-faq .faq-cases ~ * {
    margin-top: 0;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-need {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}
<<<END>>>