.page-faq {
  --faq-hair: rgba(11, 27, 58, .13);
  --faq-slant: clamp(26px, 7vw, 64px);
  --faq-pad: clamp(52px, 9vw, 104px);
  color: var(--ink-900);
  background: var(--snow-50);
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  overflow-x: clip;
}

.page-faq h1,
.page-faq .section-title,
.page-faq h3 {
  margin: 0 0 .5em;
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.14;
  color: var(--teal-900);
}

.page-faq h1 {
  font-size: clamp(2.05rem, 7.2vw, 4.3rem);
  line-height: 1.1;
}

.page-faq .section-title {
  font-size: clamp(1.6rem, 4.4vw, 2.6rem);
}

.page-faq h3 {
  font-size: clamp(1.05rem, 2.6vw, 1.3rem);
  margin-bottom: .45em;
}

.page-faq .lede {
  max-width: 58ch;
  margin: 0;
  font-size: clamp(.98rem, 2.2vw, 1.06rem);
  line-height: 1.8;
  color: var(--neutral-500);
}

.page-faq p {
  line-height: 1.78;
}

/* ---------- 首屏 ---------- */
.faq-hero {
  position: relative;
  padding: clamp(16px, 3vw, 28px) 0 clamp(72px, 11vw, 120px);
  background:
    radial-gradient(120% 80% at 92% -20%, rgba(255, 179, 138, .62), rgba(255, 179, 138, 0) 62%),
    radial-gradient(90% 70% at -10% 8%, rgba(14, 143, 163, .16), rgba(14, 143, 163, 0) 60%),
    linear-gradient(168deg, #F1FBFD 0%, #E4F7FB 46%, #B8EEF5 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-slant)), 0 100%);
}

.faq-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(16px, 3vw, 28px);
}

.faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.faq-hero__media {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-2);
  transform: rotate(-.6deg);
}

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

/* ---------- 步骤总览 ---------- */
.faq-track {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: clamp(26px, 4.5vw, 44px) 0 0;
  padding: 0;
}

.faq-track__item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 12px;
  border: 1px solid rgba(255, 255, 255, .95);
  border-radius: 12px;
  background: rgba(255, 255, 255, .82);
}

.faq-track__no {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--track-600);
}

.faq-track__label {
  font-size: 13px;
  font-weight: 700;
  color: var(--teal-900);
  letter-spacing: .01em;
}

.faq-track__item:last-child {
  background: linear-gradient(135deg, var(--track-600), var(--track-700));
  border-color: transparent;
}

.faq-track__item:last-child .faq-track__no {
  color: var(--snow-50);
}

.faq-track__item:last-child .faq-track__label {
  color: #fff;
}

/* ---------- 章节骨架 ---------- */
.faq-sec {
  position: relative;
  padding: var(--faq-pad) 0;
}

.faq-sec__head {
  display: grid;
  gap: clamp(10px, 2vw, 18px);
  margin-bottom: clamp(26px, 4vw, 46px);
}

.faq-sec__no {
  font-family: var(--font-mono);
  font-size: clamp(2.6rem, 8vw, 4.6rem);
  font-weight: 700;
  line-height: .85;
  letter-spacing: -.02em;
  color: var(--snow-200);
  -webkit-text-stroke: 1.5px var(--teal-600);
}

/* ---------- 入口卡片 ---------- */
.faq-cards {
  display: grid;
  gap: clamp(14px, 2.4vw, 20px);
}

.faq-card {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-l);
  background: var(--paper);
  box-shadow: var(--shadow-1);
  transition: transform var(--ease), box-shadow var(--ease);
}

.faq-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-2);
}

.faq-card .chip {
  margin-bottom: 12px;
}

.faq-card p {
  margin: 0;
  font-size: 15px;
  color: var(--neutral-500);
}

/* ---------- 深色章节 ---------- */
.faq-sec--dark {
  padding: calc(var(--faq-pad) + var(--faq-slant)) 0;
  color: var(--snow-50);
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(14, 143, 163, .42), rgba(14, 143, 163, 0) 62%),
    var(--void-900);
  clip-path: polygon(0 var(--faq-slant), 100% 0, 100% calc(100% - var(--faq-slant)), 0 100%);
}

.page-faq .faq-sec--dark .section-title,
.faq-sec--dark h3 {
  color: var(--paper);
}

.faq-sec--dark .lede {
  color: rgba(241, 251, 253, .78);
}

.faq-sec--dark .faq-sec__no {
  color: rgba(142, 242, 92, .22);
  -webkit-text-stroke: 1.5px rgba(142, 242, 92, .72);
}

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

.faq-flow__step {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid rgba(184, 238, 245, .24);
  border-radius: var(--radius-l);
  background: rgba(255, 255, 255, .06);
  transition: background var(--ease), transform var(--ease);
}

.faq-flow__step:hover {
  background: rgba(255, 255, 255, .11);
  transform: translateY(-4px);
}

.faq-flow__no {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--pulse-400);
}

.faq-flow__step p {
  margin: 0 0 14px;
  font-size: 15px;
  color: rgba(241, 251, 253, .74);
}

.faq-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
}

.faq-metrics > div {
  padding-top: 12px;
  border-top: 2px solid var(--track-600);
}

.faq-metrics dt {
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(241, 251, 253, .62);
}

.faq-metrics dd {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0;
}

.faq-num {
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 4.6vw, 2.7rem);
  line-height: 1;
  color: var(--track-300);
}

.faq-unit {
  font-size: 12.5px;
  color: rgba(241, 251, 253, .66);
}

/* ---------- 关注与权限 ---------- */
.faq-follow {
  display: grid;
  gap: clamp(16px, 3vw, 24px);
}

.faq-follow__main {
  display: grid;
  gap: 14px;
}

.faq-follow__block {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-l);
  background: var(--paper);
  box-shadow: var(--shadow-1);
}

.faq-follow__block p {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--neutral-500);
}

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

.faq-perm {
  display: flex;
  flex-wrap: wrap;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-l);
  background: linear-gradient(150deg, #FFFFFF 0%, #EAF9FC 100%);
  box-shadow: var(--shadow-1);
}

.faq-perm__title,
.faq-perm__hint,
.faq-perm__panels {
  flex: 1 1 100%;
}

.faq-perm__hint {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--neutral-500);
}

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

.faq-perm__tab,
.faq-devs__tab {
  display: inline-flex;
  align-items: center;
  margin: 0 8px 8px 0;
  padding: 7px 15px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--pill);
  background: #fff;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--teal-900);
  cursor: pointer;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.faq-perm__tab:hover,
.faq-devs__tab:hover {
  background: var(--snow-200);
}

.page-faq .faq-perm__radio:checked + .faq-perm__tab,
.page-faq .faq-devs__radio:checked + .faq-devs__tab {
  background: var(--teal-900);
  border-color: var(--teal-900);
  color: #fff;
}

.page-faq .faq-perm__radio:focus-visible + .faq-perm__tab,
.page-faq .faq-devs__radio:focus-visible + .faq-devs__tab {
  outline: 2px solid var(--pulse-400);
  outline-offset: 2px;
}

.faq-perm__panel,
.faq-devs__panel {
  display: none;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--neutral-500);
}

.page-faq #perm-ios:checked ~ .faq-perm__panels .faq-perm__panel--ios,
.page-faq #perm-android:checked ~ .faq-perm__panels .faq-perm__panel--android,
.page-faq #perm-windows:checked ~ .faq-perm__panels .faq-perm__panel--windows,
.page-faq #dev-ios:checked ~ .faq-devs__panels .faq-devs__panel--ios,
.page-faq #dev-android:checked ~ .faq-devs__panels .faq-devs__panel--android,
.page-faq #dev-win:checked ~ .faq-devs__panels .faq-devs__panel--win,
.page-faq #dev-mac:checked ~ .faq-devs__panels .faq-devs__panel--mac {
  display: block;
}

/* ---------- 版本章节 ---------- */
.faq-sec--version {
  background:
    radial-gradient(80% 60% at 6% 0%, rgba(184, 238, 245, .55), rgba(184, 238, 245, 0) 62%),
    var(--snow-50);
}

.faq-version {
  display: grid;
  gap: clamp(20px, 3.4vw, 32px);
}

.faq-version__main {
  display: grid;
  gap: clamp(16px, 2.6vw, 22px);
}

.faq-devs {
  display: flex;
  flex-wrap: wrap;
  padding: clamp(16px, 2.6vw, 22px);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-l);
  background: var(--paper);
  box-shadow: var(--shadow-1);
}

.faq-devs__panels {
  flex: 1 1 100%;
}

.faq-devs__tab {
  padding: 8px 17px;
  font-size: 14px;
}

.faq-devs__panel {
  padding-top: 12px;
  border-top: 1px dashed var(--faq-hair);
}

.faq-ver-lines {
  display: grid;
  gap: 12px;
}

.faq-ver {
  padding: clamp(16px, 2.6vw, 22px);
  border: 1px solid var(--faq-hair);
  border-left: 4px solid var(--track-600);
  border-radius: var(--radius-m);
  background: var(--paper);
}

.faq-ver__tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 10px;
  border-radius: var(--pill);
  background: var(--snow-200);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--teal-900);
}

.faq-ver p {
  margin: 0;
  font-size: 14.5px;
  color: var(--neutral-500);
}

.faq-version__note {
  margin: 0;
  padding: clamp(14px, 2.4vw, 18px) clamp(16px, 2.6vw, 20px);
  border-radius: var(--radius-m);
  background: rgba(14, 143, 163, .09);
  font-size: 14.5px;
  color: var(--teal-900);
}

.faq-version__note a {
  font-weight: 700;
  color: var(--track-600);
  text-underline-offset: 3px;
}

.faq-version__media {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

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

/* ---------- 排查折叠 ---------- */
.faq-sec--fix {
  padding-top: calc(var(--faq-pad) * .82);
}

.faq-fixes {
  display: grid;
  gap: 10px;
}

.faq-fix {
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-m);
  background: var(--paper);
  overflow: hidden;
  transition: box-shadow var(--ease);
}

.faq-fix[open] {
  box-shadow: var(--shadow-1);
}

.faq-fix summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px clamp(14px, 3vw, 22px);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--teal-900);
  cursor: pointer;
  list-style: none;
}

.faq-fix summary::-webkit-details-marker {
  display: none;
}

.faq-fix summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--track-600);
}

.faq-fix[open] summary::after {
  content: "−";
}

.faq-fix summary:focus-visible {
  outline: 2px solid var(--pulse-400);
  outline-offset: -3px;
}

.faq-fix__no {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--track-600);
}

.faq-fix__body {
  padding: 0 clamp(14px, 3vw, 22px) 18px;
  font-size: 15px;
  color: var(--neutral-500);
}

.faq-fix__body p {
  margin: 0 0 8px;
}

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

/* ---------- 联系章节 ---------- */
.faq-sec--contact {
  padding: calc(var(--faq-pad) + var(--faq-slant)) 0 var(--faq-pad);
  color: #fff;
  background:
    radial-gradient(100% 80% at 92% 8%, rgba(255, 179, 138, .52), rgba(255, 179, 138, 0) 62%),
    linear-gradient(145deg, var(--track-600) 0%, var(--track-700) 100%);
  clip-path: polygon(0 var(--faq-slant), 100% 0, 100% 100%, 0 100%);
}

.page-faq .faq-sec--contact .section-title {
  color: #fff;
}

.faq-sec--contact .lede {
  color: rgba(255, 255, 255, .88);
}

.faq-sec--contact .faq-sec__no {
  color: rgba(255, 255, 255, .16);
  -webkit-text-stroke: 1.5px rgba(255, 255, 255, .6);
}

.faq-contact {
  display: grid;
  gap: clamp(16px, 3vw, 24px);
}

.faq-contact__card {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: var(--radius-l);
  background: rgba(11, 27, 58, .28);
}

.faq-contact__card h3 {
  color: #fff;
}

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

.faq-contact__list li {
  display: grid;
  gap: 2px;
}

.faq-contact__key {
  font-size: 11.5px;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .66);
}

.faq-contact__val {
  font-size: 15.5px;
  font-weight: 700;
  color: #fff;
  word-break: break-word;
}

.faq-template {
  margin: 0 0 14px;
  padding: 16px 18px;
  border: 1px dashed rgba(255, 255, 255, .48);
  border-radius: var(--radius-m);
  background: rgba(11, 27, 58, .34);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.9;
  white-space: pre-wrap;
  word-break: break-word;
}

.faq-contact__hint {
  margin: 0 0 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, .82);
}

.faq-contact__foot {
  margin: 0;
}

.page-faq .faq-contact__foot .btn {
  border-color: #fff;
  background: #fff;
  color: var(--track-700);
}

.page-faq .faq-contact__foot .btn:hover,
.page-faq .faq-contact__foot .btn:focus-visible {
  background: var(--snow-200);
  border-color: var(--snow-200);
  color: var(--teal-900);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .faq-track {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 6px;
  }

  .faq-track__item {
    padding: 14px 18px 14px 14px;
    border-radius: 0;
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 100%, 0 100%);
  }
}

@media (min-width: 760px) {
  .faq-sec__head {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: clamp(18px, 3vw, 36px);
  }

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

  .faq-card:nth-child(2) {
    margin-top: 26px;
  }

  .faq-card:nth-child(3) {
    margin-top: -8px;
  }

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

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

@media (min-width: 860px) {
  .faq-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .faq-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
  }

  .faq-follow {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }

  .faq-version {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

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

  .faq-contact {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .faq-card,
  .faq-flow__step,
  .faq-fix {
    transition: none;
  }

  .faq-card:hover,
  .faq-flow__step:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>