.page-faq {
  --faq-hair: 2px solid var(--c-brown);
  --faq-hair-soft: 1px solid rgba(138, 163, 155, 0.24);
}

.page-faq .section {
  position: relative;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-masthead {
  position: relative;
  overflow: hidden;
}

.page-faq .faq-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(120% 88% at 84% 6%, rgba(91, 240, 208, 0.16), rgba(8, 25, 21, 0) 60%),
    repeating-linear-gradient(90deg, rgba(138, 163, 155, 0.1) 0 1px, rgba(0, 0, 0, 0) 1px 104px),
    repeating-linear-gradient(0deg, rgba(138, 163, 155, 0.08) 0 1px, rgba(0, 0, 0, 0) 1px 104px);
}

.page-faq .faq-masthead > .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-masthead .breadcrumb__list {
  color: var(--c-mist);
}

.page-faq .faq-masthead .breadcrumb__link {
  color: var(--c-mist);
  text-decoration: none;
}

.page-faq .faq-masthead .breadcrumb__link:hover {
  color: var(--c-cyan);
}

.page-faq .faq-masthead h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--c-cream);
  margin: 14px 0 0;
  max-width: 760px;
  font-weight: 700;
}

.page-faq .faq-masthead .lede {
  color: var(--c-mist);
  max-width: 64ch;
  margin: 18px 0 0;
  font-size: clamp(15.5px, 1vw + 13px, 18px);
  line-height: 1.78;
}

.page-faq .faq-quick {
  list-style: none;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px 22px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-faq .faq-quick .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 12px;
  border-top: 2px solid rgba(91, 240, 208, 0.38);
}

.page-faq .faq-quick .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(18px, 1.8vw, 24px);
  line-height: 1.2;
  color: var(--c-cyan);
  letter-spacing: -0.01em;
}

.page-faq .faq-quick .stat__label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--c-mist);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-faq .faq-jump a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--c-cream);
  text-decoration: none;
  padding: 8px 14px;
  border: 2px solid rgba(91, 240, 208, 0.45);
  background: rgba(8, 25, 21, 0.5);
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--c-orange);
  color: var(--c-orange);
  background: rgba(255, 122, 26, 0.12);
}

/* ---------- 问题速查 ---------- */

.page-faq .faq-scan .lede {
  color: var(--c-mist);
  max-width: 62ch;
  margin-top: 12px;
}

.page-faq .faq-scan__list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-scan__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 20px;
  border: 2px solid rgba(138, 163, 155, 0.32);
  background: rgba(8, 25, 21, 0.55);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-scan__item:hover {
  border-color: var(--c-cyan);
  transform: translateY(-2px);
}

.page-faq .faq-scan__item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(16.5px, 1.3vw, 19px);
  line-height: 1.42;
  color: var(--c-cream);
  font-weight: 700;
}

.page-faq .faq-scan__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-mist);
}

.page-faq .faq-scan__item .tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

.page-faq .filter-empty {
  margin: 18px 0 0;
  font-size: 14.5px;
  color: var(--c-mist);
}

/* ---------- 登录异常 ---------- */

.page-faq .faq-login__grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 46px);
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-login .lede {
  color: rgba(42, 31, 26, 0.78);
  max-width: 62ch;
  margin-top: 12px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  border-top: var(--faq-hair);
}

.page-faq .faq-steps > li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 2px solid rgba(42, 31, 26, 0.2);
}

.page-faq .faq-steps__num {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--c-orange);
}

.page-faq .faq-steps h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(16.5px, 1.25vw, 19.5px);
  line-height: 1.42;
  color: var(--c-charcoal);
  font-weight: 700;
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(42, 31, 26, 0.8);
}

.page-faq .faq-login .media {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
}

.page-faq .faq-folds__title {
  margin: clamp(30px, 3.6vw, 44px) 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 1.5vw, 22px);
  color: var(--c-charcoal);
  font-weight: 700;
}

.page-faq .faq-folds {
  margin-top: 16px;
  display: grid;
  gap: 10px;
}

.page-faq .faq-folds details {
  border: var(--faq-hair);
  background: var(--c-cream);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-folds summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--c-charcoal);
}

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

.page-faq .faq-folds summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-orange);
}

.page-faq .faq-folds details[open] summary {
  background: rgba(255, 122, 26, 0.14);
}

.page-faq .faq-folds details[open] summary::after {
  content: "–";
}

.page-faq .faq-folds p {
  margin: 0;
  padding: 12px 16px 16px;
  font-size: 14.5px;
  line-height: 1.76;
  color: rgba(42, 31, 26, 0.84);
}

/* 右侧对照栏 */

.page-faq .faq-login__rail {
  border: var(--faq-hair);
  background: var(--c-cream);
  box-shadow: var(--shadow-sm);
  padding: 18px;
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: var(--faq-hair);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-brown);
}

.page-faq .faq-rail__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(42, 31, 26, 0.26);
}

.page-faq .faq-rail__row:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-rail__k {
  font-size: 13.5px;
  line-height: 1.5;
  color: rgba(42, 31, 26, 0.82);
}

.page-faq .faq-rail__v {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: #1d6b5c;
}

.page-faq .faq-rail__copy {
  width: 100%;
  margin-top: 14px;
}

/* ---------- 国内访问 ---------- */

.page-faq .faq-access .lede {
  color: var(--c-mist);
  max-width: 62ch;
  margin-top: 12px;
}

.page-faq .faq-access__list {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0 0 0 22px;
  border-left: 3px solid rgba(91, 240, 208, 0.55);
}

.page-faq .faq-access__list > li {
  position: relative;
  padding: 0 0 22px;
}

.page-faq .faq-access__list > li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-access__list > li::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 7px;
  width: 11px;
  height: 11px;
  background: var(--c-cyan);
  border: 2px solid var(--c-ink-deep);
}

.page-faq .faq-access__list h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(16.5px, 1.3vw, 19px);
  line-height: 1.42;
  color: var(--c-cream);
  font-weight: 700;
}

.page-faq .faq-access__list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--c-mist);
}

.page-faq .faq-access__list a,
.page-faq .faq-entry__note a,
.page-faq .faq-support__note a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-access__list a:hover,
.page-faq .faq-entry__note a:hover,
.page-faq .faq-support__note a:hover {
  color: var(--c-orange);
}

/* ---------- 桌面端兼容 ---------- */

.page-faq .faq-desktop .lede {
  color: var(--c-mist);
  max-width: 64ch;
  margin-top: 12px;
}

.page-faq .faq-desktop__grid {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(24px, 3vw, 36px);
}

.page-faq .faq-desktop__media {
  margin: 0;
}

.page-faq .faq-desktop__specs {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid rgba(91, 240, 208, 0.42);
}

.page-faq .faq-desktop__specs > li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  border-bottom: var(--faq-hair-soft);
}

.page-faq .faq-desktop__key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
  line-height: 1.7;
}

.page-faq .faq-desktop__specs > li > span:last-child {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-mist);
}

/* ---------- 入口变更 ---------- */

.page-faq .faq-entry .lede {
  color: rgba(42, 31, 26, 0.78);
  max-width: 62ch;
  margin-top: 12px;
}

.page-faq .faq-switch {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-switch > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 18px;
  border: var(--faq-hair);
  background: var(--c-cream);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-switch__old {
  font-size: 14.5px;
  line-height: 1.68;
  color: rgba(42, 31, 26, 0.55);
  text-decoration: line-through;
}

.page-faq .faq-switch__arrow {
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.2;
  color: var(--c-orange);
}

.page-faq .faq-switch__new {
  font-size: 15px;
  line-height: 1.68;
  color: var(--c-charcoal);
  font-weight: 600;
}

.page-faq .faq-entry__note {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--c-orange);
  font-size: 14.5px;
  line-height: 1.76;
  color: rgba(42, 31, 26, 0.8);
}

.page-faq .faq-entry__note a {
  color: #1d6b5c;
}

/* ---------- 联系支持 ---------- */

.page-faq .faq-support .lede {
  color: var(--c-mist);
  max-width: 62ch;
  margin-top: 12px;
}

.page-faq .faq-support__grid {
  display: grid;
  gap: clamp(24px, 3vw, 38px);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(24px, 3vw, 36px);
}

.page-faq .faq-support .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid rgba(91, 240, 208, 0.38);
}

.page-faq .faq-support .contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 16px 0;
  border-bottom: var(--faq-hair-soft);
}

.page-faq .faq-support .contact-label {
  flex: 0 0 84px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}

.page-faq .faq-support .contact-value {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--c-cream);
  word-break: break-word;
}

.page-faq .faq-support .copy-btn {
  margin-left: auto;
}

.page-faq .faq-support__note {
  padding: 20px;
  border: 2px solid rgba(91, 240, 208, 0.42);
  background: rgba(8, 25, 21, 0.62);
}

.page-faq .faq-support__note h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(16.5px, 1.3vw, 19px);
  line-height: 1.42;
  color: var(--c-cream);
  font-weight: 700;
}

.page-faq .faq-support__note ul {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-faq .faq-support__note li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-faq .faq-support__note li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--c-orange);
}

.page-faq .faq-support__note p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--c-mist);
}

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

/* ---------- 图片容器 ---------- */

.page-faq .media {
  border: var(--faq-hair);
  background: var(--c-charcoal);
  box-shadow: var(--shadow);
  overflow: hidden;
}

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

.page-faq .media__caption {
  padding: 10px 14px;
  border-top: var(--faq-hair);
  background: var(--c-charcoal);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-mist);
}

/* ---------- 响应式 ---------- */

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

  .page-faq .faq-switch > li {
    grid-template-columns: minmax(0, 1fr) 26px minmax(0, 1.1fr);
    align-items: center;
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-scan__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-desktop__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-login__grid {
    grid-template-columns: minmax(0, 1fr) 296px;
    align-items: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-scan__item,
  .page-faq .faq-jump a,
  .page-faq .btn {
    transition: none;
  }

  .page-faq .faq-scan__item:hover {
    transform: none;
  }
}
<<<END>>>