.page-faq {
  background: var(--cream);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(22px, 4vw, 40px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line-strong);
  background: var(--cream);
}
.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 3vw, 46px);
  margin-top: clamp(18px, 3vw, 32px);
}
.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(29px, 5vw, 54px);
  line-height: 1.1;
  margin: 12px 0 0;
  max-width: 16em;
}
.page-faq .faq-hero .lede {
  max-width: 42em;
  margin-top: 18px;
  color: var(--ink);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.page-faq .faq-hero__side-kicker {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--taupe);
}
.page-faq .faq-hero__side {
  border-top: 2px solid var(--ink);
  padding-top: 14px;
}
.page-faq .faq-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-faq .faq-facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line);
  font-size: 13.5px;
  color: var(--taupe);
}
.page-faq .faq-facts b {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

/* ---------- 问答列表 ---------- */
.page-faq .faq-body {
  padding-top: clamp(24px, 4vw, 42px);
}
.page-faq .qa-list {
  margin-top: clamp(18px, 2.6vw, 30px);
  border-top: 1px solid var(--line-strong);
}
.page-faq .qa-item {
  border-bottom: 1px solid var(--line);
}
.page-faq .qa-item[hidden] {
  display: none;
}
.page-faq .qa > summary {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 22px;
  gap: 10px;
  align-items: start;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
}
.page-faq .qa > summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa > summary::marker {
  content: "";
}
.page-faq .qa__idx {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--orange);
  padding-top: 6px;
}
.page-faq .qa__q {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(15.5px, 1.9vw, 19px);
  line-height: 1.5;
  letter-spacing: -0.01em;
}
.page-faq .qa__mark {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 5px;
  justify-self: end;
}
.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--ink);
}
.page-faq .qa__mark::before {
  width: 13px;
  height: 1.5px;
}
.page-faq .qa__mark::after {
  width: 1.5px;
  height: 13px;
  transition: opacity 0.2s ease;
}
.page-faq .qa[open] .qa__mark::after {
  opacity: 0;
}
.page-faq .qa[open] .qa__q {
  color: var(--blue);
}
.page-faq .qa__panel {
  padding: 0 0 22px 0;
  display: grid;
  gap: 12px;
}
.page-faq .qa__answer {
  border-left: 3px solid var(--orange);
  padding-left: 14px;
  max-width: 46em;
}
.page-faq .qa__answer p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}
.page-faq .qa__answer p:last-child {
  margin-bottom: 0;
}
.page-faq .qa__answer a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 79, 216, 0.32);
}
.page-faq .qa__more {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--taupe);
}
.page-faq .qa__more a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 79, 216, 0.32);
}

/* ---------- 登录前后对照 ---------- */
.page-faq .login-compare {
  display: grid;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  margin-top: clamp(18px, 2.6vw, 28px);
}
.page-faq .login-compare__col {
  padding: clamp(18px, 2.8vw, 30px);
}
.page-faq .login-compare__col--off {
  background: var(--cream-2);
}
.page-faq .login-compare__col--on {
  background: var(--blue-soft);
}
.page-faq .login-compare__label {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--taupe);
}
.page-faq .login-compare__col--on .login-compare__label {
  color: var(--blue);
}
.page-faq .login-compare__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: -0.01em;
}
.page-faq .login-compare ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-faq .login-compare li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
}
.page-faq .login-compare li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 2px;
  background: var(--orange);
}
.page-faq .login-compare__col--off li::before {
  background: var(--taupe);
}

/* ---------- 图片 ---------- */
.page-faq .faq-shot {
  margin: clamp(22px, 3vw, 34px) 0 0;
}
.page-faq .faq-shot .figure__media {
  border: 1px solid var(--line-strong);
  background: var(--cream-2);
  overflow: hidden;
}
.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-faq .faq-shot .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--taupe);
}

/* ---------- 版本号读法 ---------- */
.page-faq .vspec {
  display: grid;
  margin-top: clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--line-strong);
}
.page-faq .vspec__code {
  margin: 0;
  padding: clamp(20px, 3vw, 34px);
  background: var(--navy);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.2vw, 30px);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  word-break: break-all;
}
.page-faq .vspec__legend {
  list-style: none;
  margin: 0;
  padding: clamp(14px, 2.2vw, 26px) clamp(16px, 2.6vw, 30px);
  background: var(--cream);
}
.page-faq .vspec__legend li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink);
}
.page-faq .vspec__legend li:last-child {
  border-bottom: 0;
}
.page-faq .vspec__seg {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--blue);
  padding-top: 3px;
}
.page-faq .vspec__notes {
  margin-top: 20px;
  max-width: 46em;
}
.page-faq .vspec__notes p {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--taupe);
}

/* ---------- 联系通道 ---------- */
.page-faq .faq-contact {
  color: var(--cream);
}
.page-faq .faq-contact__head .section-head__title {
  color: var(--cream);
}
.page-faq .faq-contact__head .section-head__note {
  color: rgba(251, 246, 236, 0.66);
}
.page-faq .faq-channels {
  display: grid;
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
  margin-top: clamp(20px, 3vw, 30px);
}
.page-faq .faq-channel {
  background: var(--navy);
  padding: clamp(18px, 2.8vw, 28px);
}
.page-faq .faq-channel__label {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
}
.page-faq .faq-channel__value {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.4;
  color: var(--cream);
  word-break: break-word;
}
.page-faq .faq-channel__value a {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid rgba(251, 246, 236, 0.45);
}
.page-faq .faq-channel__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(251, 246, 236, 0.7);
}
.page-faq .faq-contact__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 32px);
}
.page-faq .faq-contact .btn--outline {
  color: var(--cream);
  border-color: rgba(251, 246, 236, 0.5);
}

/* ---------- 悬浮短按钮 ---------- */
.page-faq .faq-fabs {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 20;
  display: flex;
  gap: 8px;
  align-items: center;
}
.page-faq .faq-fab {
  display: inline-block;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-decoration: none;
  background: var(--cream);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  white-space: nowrap;
}
.page-faq .faq-fab--primary {
  background: var(--orange);
  color: var(--cream);
  border-color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .qa > summary {
    grid-template-columns: 50px minmax(0, 1fr) 24px;
    padding: 18px 0;
  }
  .page-faq .qa__panel {
    padding-left: 60px;
  }
}

@media (min-width: 760px) {
  .page-faq .login-compare {
    grid-template-columns: 1fr 1fr;
  }
  .page-faq .faq-channels {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
}

@media (min-width: 860px) {
  .page-faq .vspec {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  }
}

@media (max-width: 560px) {
  .page-faq .faq-fabs {
    right: 10px;
    bottom: 10px;
  }
  .page-faq .faq-fab {
    padding: 7px 10px;
    font-size: 11.5px;
  }
  .page-faq .vspec__legend li {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 10px;
  }
}