.page-faq {
  --faq-line: rgba(124, 143, 168, 0.26);
  --faq-line-strong: rgba(63, 224, 208, 0.42);
  --faq-ink: rgba(241, 231, 214, 0.8);
  --faq-ink-soft: rgba(241, 231, 214, 0.62);
  --faq-rail: 236px;
}

.page-faq .breadcrumb {
  margin-top: clamp(16px, 2.6vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.4vw, 40px) 0 clamp(30px, 4.4vw, 54px);
  border-bottom: 1px solid var(--faq-line-strong);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  top: -24%;
  width: min(540px, 54%);
  height: 160%;
  background-image: radial-gradient(circle, rgba(63, 224, 208, 0.34) 1px, transparent 1.4px);
  background-size: 22px 22px;
  opacity: 0.42;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(100deg, transparent 6%, #000 62%);
  mask-image: linear-gradient(100deg, transparent 6%, #000 62%);
}

.page-faq .faq-hero > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 17ch;
  font-size: clamp(31px, 6.4vw, 62px);
  font-weight: 200;
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--cream);
}

.page-faq .faq-hero__lede {
  margin-top: 20px;
  max-width: 64ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--faq-ink);
}

.page-faq .faq-hero__flags {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--slate);
}

.page-faq .faq-hero__flags li {
  display: flex;
  align-items: center;
  gap: 9px;
}

.page-faq .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
}

.page-faq .dot--ok {
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(60, 224, 139, 0.16);
}

.page-faq .dot--cyan {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(63, 224, 208, 0.16);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 46px);
  padding: clamp(32px, 5vw, 58px) 0 clamp(30px, 4vw, 52px);
}

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
  }
}

/* ---------- 分组索引 ---------- */
.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-faq .faq-index__nav {
  display: grid;
  gap: 3px;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  text-decoration: none;
  color: var(--cream);
  border-left: 2px solid var(--faq-line);
  background: linear-gradient(90deg, rgba(18, 35, 61, 0.72), rgba(18, 35, 61, 0));
  transition: border-color var(--speed) var(--ease-out), background var(--speed) var(--ease-out), padding-left var(--speed) var(--ease-out);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(63, 224, 208, 0.16), rgba(18, 35, 61, 0));
  padding-left: 17px;
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .faq-index__label {
  font-size: 15px;
  line-height: 1.4;
}

.page-faq .faq-index__state {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 3px 7px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.page-faq .faq-index__state--ok {
  color: var(--green);
}

.page-faq .faq-index__state--self {
  color: var(--cyan);
}

.page-faq .faq-index__note {
  margin: 18px 0 0;
  line-height: 1.7;
}

@media (min-width: 1024px) {
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--topbar) + 24px);
    align-self: start;
  }
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--topbar) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(44px, 6vw, 78px);
}

.page-faq .faq-group__head {
  position: relative;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 68px;
  height: 2px;
  background: var(--cyan);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(21px, 2.7vw, 28px);
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .faq-group__state {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  padding: 4px 9px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.page-faq .faq-group__state--ok {
  color: var(--green);
}

.page-faq .faq-group__state--self {
  color: var(--cyan);
}

.page-faq .faq-group__intro {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-ink);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  margin-top: 20px;
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  background: linear-gradient(135deg, rgba(18, 35, 61, 0.92), rgba(10, 21, 38, 0.7));
  border: 1px solid var(--faq-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: border-color var(--speed) var(--ease-out);
}

.page-faq .qa[open] {
  border-color: var(--faq-line-strong);
}

.page-faq .qa__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto 12px;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .qa__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-faq .qa[open] .qa__no {
  color: var(--cyan);
}

.page-faq .qa__q {
  font-size: 16px;
  line-height: 1.6;
  color: var(--cream);
}

.page-faq .qa__badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.page-faq .qa__badge--ok {
  color: var(--green);
}

.page-faq .qa__badge--self {
  color: var(--cyan);
}

.page-faq .qa__chev {
  width: 9px;
  height: 9px;
  border-right: 1.6px solid var(--cyan);
  border-bottom: 1.6px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform var(--speed) var(--ease-out);
  margin-right: 4px;
}

.page-faq .qa[open] .qa__chev {
  transform: rotate(225deg);
}

.page-faq .qa__body {
  padding: 0 18px 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-ink);
}

.page-faq .qa__body p {
  margin: 0 0 12px;
  max-width: 64ch;
}

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

.page-faq .qa[open] .qa__body {
  animation: faq-drop 320ms var(--ease-out);
}

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

/* ---------- 自查步骤 ---------- */
.page-faq .steps {
  list-style: none;
  counter-reset: step;
  margin: 14px 0 14px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .steps li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 10px 12px;
  background: rgba(10, 21, 38, 0.58);
  border-left: 2px solid rgba(63, 224, 208, 0.42);
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(241, 231, 214, 0.88);
}

.page-faq .steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  padding-top: 3px;
}

/* ---------- 对比图 ---------- */
.page-faq .compare {
  margin: 18px 0 0;
  padding: 0;
}

.page-faq .compare__media {
  padding: 10px;
  background: rgba(10, 21, 38, 0.62);
  border: 1px solid var(--faq-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

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

.page-faq .compare__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin-top: 10px;
}

.page-faq .compare__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 4px 9px;
  border: 1px solid currentColor;
  color: var(--slate);
}

.page-faq .compare__tag--before {
  color: var(--orange);
}

.page-faq .compare__tag--after {
  color: var(--green);
}

.page-faq .compare--stack {
  margin-top: 0;
}

.page-faq .load-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  margin-top: 6px;
}

.page-faq .load-split .steps {
  margin-top: 0;
  margin-bottom: 0;
}

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

/* ---------- 联系 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  margin-bottom: clamp(38px, 5vw, 66px);
  padding: clamp(24px, 3.6vw, 44px);
  background: linear-gradient(160deg, var(--cream) 0%, var(--papergray) 100%);
  color: var(--brown);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

@media (min-width: 880px) {
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

.page-faq .faq-contact__eyebrow {
  color: #A83A0C;
  margin: 0;
}

.page-faq .faq-contact__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 3.2vw, 34px);
  font-weight: 300;
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--brown);
}

.page-faq .faq-contact__text {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(28, 21, 18, 0.78);
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-contact__list li {
  padding-top: 12px;
  border-top: 1px solid rgba(28, 21, 18, 0.16);
}

.page-faq .faq-contact__k {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(28, 21, 18, 0.58);
}

.page-faq .faq-contact__v {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--brown);
  text-decoration: none;
  word-break: break-word;
}

.page-faq a.faq-contact__v {
  border-bottom: 1px solid rgba(28, 21, 18, 0.35);
}

.page-faq a.faq-contact__v:hover,
.page-faq a.faq-contact__v:focus-visible {
  border-bottom-color: var(--orange);
  color: #A83A0C;
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding-bottom: clamp(40px, 6vw, 82px);
}

@media (min-width: 700px) {
  .page-faq .faq-next {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-faq .faq-next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 16px 18px;
  border: 1px solid var(--faq-line);
  color: var(--cream);
  font-size: 15px;
  text-decoration: none;
  transition: border-color var(--speed) var(--ease-out), background var(--speed) var(--ease-out), transform var(--speed) var(--ease-out);
}

.page-faq .faq-next__link::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-faq .faq-next__link:hover,
.page-faq .faq-next__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(63, 224, 208, 0.08);
  transform: translateY(-2px);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa[open] .qa__body {
    animation: none;
  }
  .page-faq .qa__chev,
  .page-faq .faq-index__link,
  .page-faq .faq-next__link {
    transition: none;
  }
  .page-faq .faq-next__link:hover,
  .page-faq .faq-next__link:focus-visible {
    transform: none;
  }
}
<<<END>>>