.page-faq {
  --faq-ink-soft: #39435A;
  --faq-shadow: rgba(11, 18, 32, 0.55);
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
}

.page-faq .faq-crumb {
  padding-top: clamp(1.25rem, 4vw, 2.25rem);
}

.page-faq .faq-crumb .breadcrumb__current {
  color: var(--cyan-150);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(1.25rem, 4vw, 2.25rem) 0 clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-eyebrow {
  margin: 0 0 0.65rem;
  color: var(--cyan-400);
}

.page-faq .faq-hero__title {
  margin: 0 0 1rem;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.2vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--white);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .faq-hero .container::after {
  content: "";
  display: block;
  height: 2px;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  background: linear-gradient(
    90deg,
    var(--cyan-400) 0 22%,
    var(--orange-500) 22% 26%,
    var(--ink-700) 26% 100%
  );
}

/* ---------- 索引标签条 ---------- */
.page-faq .faq-tabs {
  position: relative;
}

.page-faq .faq-tabinput {
  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-tabbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--ink-700);
}

.page-faq .faq-tab {
  flex: 1 1 100%;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 0.95rem;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
  color: var(--text-soft);
  font-family: var(--font-body);
  font-size: 0.94rem;
  cursor: pointer;
  transition: background-color 220ms var(--ease), color 220ms var(--ease),
    border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-faq .faq-tab:hover {
  border-color: var(--cyan-400);
  color: var(--white);
}

.page-faq .faq-tab__num {
  color: var(--cyan-400);
  font-size: 0.68rem;
}

.page-faq .faq-tab__name {
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-faq .faq-tab__count {
  margin-left: auto;
  color: var(--gray-400);
  font-size: 0.66rem;
}

.page-faq #faq-tab-register:checked ~ .faq-tabbar [for="faq-tab-register"],
.page-faq #faq-tab-sync:checked ~ .faq-tabbar [for="faq-tab-sync"],
.page-faq #faq-tab-center:checked ~ .faq-tabbar [for="faq-tab-center"],
.page-faq #faq-tab-status:checked ~ .faq-tabbar [for="faq-tab-status"] {
  background: var(--paper-100);
  border-color: var(--paper-100);
  color: var(--ink-950);
  transform: translateY(2px);
  box-shadow: inset 0 3px 0 0 var(--cyan-400);
}

.page-faq #faq-tab-register:checked ~ .faq-tabbar [for="faq-tab-register"] .faq-tab__num,
.page-faq #faq-tab-register:checked ~ .faq-tabbar [for="faq-tab-register"] .faq-tab__count,
.page-faq #faq-tab-sync:checked ~ .faq-tabbar [for="faq-tab-sync"] .faq-tab__num,
.page-faq #faq-tab-sync:checked ~ .faq-tabbar [for="faq-tab-sync"] .faq-tab__count,
.page-faq #faq-tab-center:checked ~ .faq-tabbar [for="faq-tab-center"] .faq-tab__num,
.page-faq #faq-tab-center:checked ~ .faq-tabbar [for="faq-tab-center"] .faq-tab__count,
.page-faq #faq-tab-status:checked ~ .faq-tabbar [for="faq-tab-status"] .faq-tab__num,
.page-faq #faq-tab-status:checked ~ .faq-tabbar [for="faq-tab-status"] .faq-tab__count {
  color: var(--faq-ink-soft);
}

.page-faq #faq-tab-register:focus-visible ~ .faq-tabbar [for="faq-tab-register"],
.page-faq #faq-tab-sync:focus-visible ~ .faq-tabbar [for="faq-tab-sync"],
.page-faq #faq-tab-center:focus-visible ~ .faq-tabbar [for="faq-tab-center"],
.page-faq #faq-tab-status:focus-visible ~ .faq-tabbar [for="faq-tab-status"] {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

/* ---------- 面板 ---------- */
.page-faq .faq-panels {
  margin-top: clamp(1.25rem, 3.5vw, 1.75rem);
  min-width: 0;
}

.page-faq .faq-panel {
  display: none;
}

.page-faq #faq-tab-register:checked ~ .faq-panels #faq-panel-register,
.page-faq #faq-tab-sync:checked ~ .faq-panels #faq-panel-sync,
.page-faq #faq-tab-center:checked ~ .faq-panels #faq-panel-center,
.page-faq #faq-tab-status:checked ~ .faq-panels #faq-panel-status {
  display: block;
  animation: faq-panel-in 240ms var(--ease) both;
}

@keyframes faq-panel-in {
  from {
    opacity: 0;
    transform: translateX(14px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.page-faq .faq-panel {
  position: relative;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  background: var(--paper-100);
  color: var(--paper-ink);
  border: 1px solid var(--paper-300);
  box-shadow: 8px 8px 0 0 var(--faq-shadow);
}

.page-faq .faq-panel::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid var(--paper-300);
  pointer-events: none;
}

.page-faq .faq-panel__head {
  margin-bottom: 1.5rem;
}

.page-faq .faq-panel__title {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.6vw, 1.8rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink-950);
}

.page-faq .faq-panel__note {
  margin: 0;
  max-width: 42ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-panel a {
  color: var(--ink-950);
  text-decoration: none;
  border-bottom: 2px solid var(--cyan-400);
  padding-bottom: 1px;
}

.page-faq .faq-panel a:hover {
  border-bottom-color: var(--orange-500);
}

/* ---------- 编号步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.35rem 1rem;
  padding-bottom: 1.4rem;
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: calc(1rem - 0.5px);
  top: 2.15rem;
  bottom: 0.2rem;
  width: 1px;
  background: var(--paper-300);
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--ink-950);
  color: var(--cyan-400);
  font-size: 0.68rem;
  line-height: 1;
  letter-spacing: 0.04em;
  position: relative;
  z-index: 1;
}

.page-faq .faq-step__title {
  margin: 0.28rem 0 0.35rem;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink-950);
}

.page-faq .faq-step__body p {
  margin: 0;
  max-width: 46ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-note {
  margin: 1.5rem 0 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--orange-500);
  background: var(--orange-wash);
  color: var(--paper-ink);
  font-size: 0.92rem;
  line-height: 1.75;
}

/* ---------- 媒体 ---------- */
.page-faq .faq-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--ink-700);
  background: var(--ink-950);
}

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

.page-faq .faq-figcap {
  margin: 0.6rem 0 0;
  font-size: 0.68rem;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--faq-ink-soft);
}

/* ---------- 同步区 ---------- */
.page-faq .faq-sync,
.page-faq .faq-center {
  display: grid;
  gap: 1.75rem;
  min-width: 0;
}

.page-faq .faq-sync__body,
.page-faq .faq-center__body {
  min-width: 0;
}

.page-faq .faq-lights {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-light {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  padding: 0.65rem 0.8rem;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
  color: var(--white);
  font-size: 0.88rem;
}

.page-faq .faq-light__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 3px var(--cyan-wash);
}

.page-faq .faq-light__name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-faq .faq-light__val {
  margin-left: auto;
  flex: none;
  color: var(--cyan-150);
  font-size: 0.66rem;
  white-space: nowrap;
}

/* ---------- 导航路径 ---------- */
.page-faq .faq-path {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.page-faq .faq-path__item {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--paper-300);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

.page-faq .faq-path__item:nth-child(1) {
  padding-left: 0;
}

.page-faq .faq-path__item:nth-child(2) {
  padding-left: 0.75rem;
}

.page-faq .faq-path__item:nth-child(3) {
  padding-left: 1.5rem;
}

.page-faq .faq-path__item:nth-child(4) {
  padding-left: 2.25rem;
}

.page-faq .faq-path__tag {
  flex: none;
  padding: 0.1rem 0.35rem;
  background: var(--paper-300);
  color: var(--ink-950);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}

.page-faq .faq-bullets {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-faq .faq-bullets li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--cyan-400);
  transform: rotate(45deg);
}

.page-faq .faq-bullets strong {
  color: var(--ink-950);
  font-weight: 600;
}

/* ---------- 咨询区 ---------- */
.page-faq .faq-help {
  margin-top: clamp(3rem, 8vw, 5rem);
  padding: clamp(2rem, 5vw, 3.25rem) 0 clamp(1rem, 3vw, 1.5rem);
  border-top: 1px solid var(--ink-700);
  background: linear-gradient(180deg, rgba(16, 27, 46, 0.85), var(--ink-950));
}

.page-faq .faq-help__eyebrow {
  margin: 0 0 0.65rem;
  color: var(--orange-500);
}

.page-faq .faq-help__title {
  margin: 0 0 0.75rem;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 4vw, 2.1rem);
  line-height: 1.26;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-faq .faq-help__text {
  margin: 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .faq-help__list {
  display: grid;
  gap: 0.75rem;
  margin: 1.75rem 0 0;
}

.page-faq .faq-help__item {
  min-width: 0;
  padding: 1rem 1.1rem;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
}

.page-faq .faq-help__item dt {
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
}

.page-faq .faq-help__item dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-help__item a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-400);
}

.page-faq .faq-help__item a:hover {
  border-bottom-color: var(--orange-500);
}

.page-faq .faq-help__foot {
  margin: 1.5rem 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--gray-400);
}

.page-faq .faq-help__foot a {
  color: var(--cyan-150);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-700);
}

.page-faq .faq-help__foot a:hover {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 断点 ---------- */
@media (min-width: 520px) {
  .page-faq .faq-lights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 600px) {
  .page-faq .faq-path__item:nth-child(2) {
    padding-left: 1.1rem;
  }

  .page-faq .faq-path__item:nth-child(3) {
    padding-left: 2.2rem;
  }

  .page-faq .faq-path__item:nth-child(4) {
    padding-left: 3.3rem;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-tab {
    flex: 1 1 0;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-sync {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 2.25rem;
  }

  .page-faq .faq-center {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
    gap: 2.25rem;
  }

  .page-faq .faq-hero__lead {
    font-size: 1.05rem;
  }
}

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

  .page-faq .faq-tab {
    transition: none;
    transform: none !important;
  }
}
<<<END>>>