.page-faq {
  --faq-index-w: 14.5rem;
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  padding-top: calc(var(--pad-y) * 0.36);
}
.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-note);
  color: var(--ink-mute);
}
.page-faq .breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.page-faq .breadcrumbs li + li::before {
  content: "/";
  color: var(--mist);
}
.page-faq .breadcrumbs a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--brick);
  border-bottom-color: var(--orange);
}

/* ---------- 章节头 ---------- */
.page-faq .section-head {
  display: grid;
  gap: 0.65rem;
  margin: 0 0 calc(var(--gap) * 1.3);
}
@media (min-width: 56rem) {
  .page-faq .section-head {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: calc(var(--gap) * 1.5);
    align-items: end;
  }
}
.page-faq .section-head__title {
  margin: 0;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.page-faq .section-head__note {
  margin: 0;
  color: var(--ink-mute);
  font-size: var(--fs-note);
  line-height: 1.85;
}

/* ---------- 通用按钮（页面内强化） ---------- */
.page-faq .btn {
  display: inline-block;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}
.page-faq .btn--cta {
  background: var(--orange);
  color: var(--ink);
  border: 1px solid var(--orange);
  border-radius: 14px 4px 14px 4px;
  padding: 0.8rem 1.5rem;
}
.page-faq .btn--cta:hover,
.page-faq .btn--cta:focus-visible {
  background: var(--amber);
  border-color: var(--amber);
  transform: translateY(-2px);
}
.page-faq .btn--line {
  background: transparent;
  color: var(--cyan-white);
  border: 1px solid var(--mist);
  border-radius: 14px 4px 14px 4px;
  padding: 0.8rem 1.5rem;
}
.page-faq .btn--line:hover,
.page-faq .btn--line:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: gain;
  margin-top: 1.6rem;
  padding: 0 0 var(--pad-y);
  background: var(--space);
  color: var(--paper);
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(157, 178, 196, 0.13) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(157, 178, 196, 0.13) 1px, transparent 1px);
  background-size: 68px 68px;
  pointer-events: none;
}
.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: calc(var(--gap) * 1.4);
  padding-top: calc(var(--pad-y) * 0.7);
  padding-bottom: calc(var(--pad-y) * 0.2);
}
@media (min-width: 56rem) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    gap: calc(var(--gap) * 2.4);
    align-items: start;
  }
}
.page-faq .faq-hero h1 {
  margin: 0.65rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.2vw, 3.8rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--paper);
  text-wrap: balance;
}
.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 40rem;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--cyan-white);
  opacity: 0.86;
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.7rem;
}
.page-faq .faq-hero__side {
  border-top: 2px solid var(--orange);
  padding-top: 1.1rem;
}
@media (min-width: 56rem) {
  .page-faq .faq-hero__side {
    border-top: 0;
    border-left: 2px solid var(--orange);
    padding-top: 0;
    padding-left: 1.35rem;
  }
}
.page-faq .faq-hero__side-label {
  margin: 0 0 0.9rem;
  font-family: var(--font-num);
  font-size: var(--fs-note);
  letter-spacing: 0.2em;
  color: var(--amber);
}
.page-faq .faq-hero__quick {
  display: grid;
  gap: 0.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-hero__quick a {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.55rem 0;
  font-size: 0.96rem;
  color: var(--cyan-white);
  text-decoration: none;
  border-bottom: 1px dashed rgba(157, 178, 196, 0.32);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-faq .faq-hero__quick a:hover,
.page-faq .faq-hero__quick a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}
.page-faq .faq-num {
  flex: none;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  color: var(--orange);
}
.page-faq .faq-hero__note {
  margin: 1rem 0 0;
  font-size: var(--fs-note);
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 诊断区 ---------- */
.page-faq .faq-diag {
  padding: var(--pad-y) 0;
  background: var(--paper-2);
}
.page-faq .faq-diag__layout {
  display: grid;
  gap: calc(var(--gap) * 1.4);
}
@media (min-width: 64rem) {
  .page-faq .faq-diag__layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: calc(var(--gap) * 2);
    align-items: start;
  }
}
.page-faq .faq-index {
  padding: 1.1rem 1.1rem 1.3rem;
  background: var(--paper);
  border: 1px solid rgba(30, 23, 20, 0.12);
  border-radius: var(--r-card);
}
@media (min-width: 64rem) {
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--dock-h) + 1.4rem);
  }
}
.page-faq .faq-index__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-num);
  font-size: var(--fs-note);
  letter-spacing: 0.2em;
  color: var(--ink-mute);
}
.page-faq .faq-index ol {
  display: grid;
  gap: 0.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-index a {
  display: block;
  padding: 0.5rem 0.5rem 0.5rem 0.75rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}
.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  color: var(--brick);
  border-left-color: var(--orange);
  background: rgba(255, 90, 31, 0.07);
}
.page-faq .faq-diag__content {
  display: grid;
  gap: calc(var(--gap) * 1.3);
  min-width: 0;
}
.page-faq .faq-steps {
  display: grid;
  gap: 0.9rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
@media (min-width: 48rem) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--gap);
  }
}
.page-faq .faq-step {
  padding: 1.15rem 1.15rem 1.35rem;
  background: var(--paper);
  border-radius: var(--r-card);
  border-top: 3px solid var(--orange);
  box-shadow: var(--shadow-lift);
}
.page-faq .faq-step:nth-child(2) {
  border-top-color: var(--cyan);
}
.page-faq .faq-step:nth-child(3) {
  border-top-color: var(--amber);
}
.page-faq .faq-step__num {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1;
  color: var(--ink);
}
.page-faq .faq-step h3 {
  margin: 0 0 0.45rem;
  font-size: var(--fs-h3);
  line-height: 1.35;
}
.page-faq .faq-step p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 图片 ---------- */
.page-faq .figure {
  margin: 0;
  min-width: 0;
}
.page-faq .figure__media {
  overflow: hidden;
  border-radius: var(--r-card);
  background: var(--paper);
}
.page-faq .figure__media img,
.page-faq .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .figure__cap {
  margin: 0.6rem 0 0;
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--ink-mute);
}

/* ---------- 换设备重登 ---------- */
.page-faq .faq-reinstall {
  position: relative;
  padding: var(--pad-y) 0;
  background: var(--night);
  color: var(--paper);
  overflow: hidden;
}
.page-faq .faq-reinstall::after {
  content: "";
  position: absolute;
  top: -14%;
  right: -16%;
  width: 26rem;
  height: 26rem;
  border-radius: 50%;
  background: radial-gradient(circle, var(--cyan), transparent 66%);
  opacity: 0.14;
  pointer-events: none;
}
.page-faq .faq-reinstall__grid {
  position: relative;
  display: grid;
  gap: calc(var(--gap) * 1.4);
  align-items: center;
}
@media (min-width: 56rem) {
  .page-faq .faq-reinstall__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: calc(var(--gap) * 2.2);
  }
}
.page-faq .faq-reinstall h2 {
  margin: 0.55rem 0 0.9rem;
  font-size: clamp(1.65rem, 3.4vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--paper);
}
.page-faq .faq-reinstall__text p {
  margin: 0 0 0.9rem;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--cyan-white);
  opacity: 0.86;
}
.page-faq .faq-facts {
  display: grid;
  gap: 0.6rem;
  list-style: none;
  margin: 1.3rem 0 0.8rem;
  padding: 0;
}
@media (min-width: 40rem) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-faq .faq-fact {
  padding-top: 0.7rem;
  border-top: 1px solid rgba(157, 178, 196, 0.34);
}
.page-faq .faq-fact__value {
  display: block;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  line-height: 1.1;
  color: var(--cyan);
}
.page-faq .faq-fact__label {
  display: block;
  margin-top: 0.25rem;
  font-size: var(--fs-note);
  color: var(--mist);
}
.page-faq .faq-reinstall__hint {
  padding: 0.8rem 0.95rem;
  border-left: 3px solid var(--amber);
  background: rgba(255, 194, 75, 0.1);
  border-radius: 0 10px 10px 0;
  font-size: var(--fs-note);
  line-height: 1.8;
  color: var(--cyan-white);
}
.page-faq .faq-reinstall__figure .figure__cap {
  color: var(--mist);
}

/* ---------- 入口路径 ---------- */
.page-faq .faq-entry {
  padding: var(--pad-y) 0;
  background: var(--paper);
}
.page-faq .faq-entry__grid {
  display: grid;
  gap: calc(var(--gap) * 1.2);
}
@media (min-width: 56rem) {
  .page-faq .faq-entry__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: calc(var(--gap) * 2.2);
    align-items: start;
  }
}
.page-faq .faq-entry__aside h2 {
  margin: 0.55rem 0 0;
  font-size: clamp(1.6rem, 3.2vw, 2.35rem);
  line-height: 1.22;
  letter-spacing: -0.015em;
}
.page-faq .faq-entry__main p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--ink-soft);
}
.page-faq .faq-list {
  display: grid;
  gap: 0.85rem;
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
}
.page-faq .faq-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.99rem;
  line-height: 1.85;
  color: var(--ink-soft);
}
.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68rem;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--cyan-deep);
  border-radius: 1px;
  transform: rotate(45deg);
}
.page-faq .faq-entry__link {
  margin-top: 1.3rem !important;
}
.page-faq .faq-entry__link a {
  display: inline-block;
  padding-bottom: 0.15rem;
  font-weight: 700;
  color: var(--brick);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-faq .faq-entry__link a:hover,
.page-faq .faq-entry__link a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- 安装失败排查 ---------- */
.page-faq .faq-fix {
  padding: var(--pad-y) 0;
  background: var(--paper-2);
}
.page-faq .faq-fix__list {
  display: grid;
  gap: 0.7rem;
}
.page-faq .faq-q {
  background: var(--paper);
  border-radius: var(--r-card);
  border: 1px solid rgba(30, 23, 20, 0.1);
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.page-faq .faq-q[open] {
  border-color: var(--orange);
}
.page-faq .faq-q summary {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-q summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-q summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}
.page-faq .faq-q__num {
  flex: none;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1rem;
  color: var(--orange);
}
.page-faq .faq-q__title {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}
.page-faq .faq-q__icon {
  position: relative;
  flex: none;
  width: 1rem;
  height: 1rem;
  margin-left: auto;
}
.page-faq .faq-q__icon::before,
.page-faq .faq-q__icon::after {
  content: "";
  position: absolute;
  background: var(--orange);
  border-radius: 2px;
}
.page-faq .faq-q__icon::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
}
.page-faq .faq-q__icon::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  transition: transform 0.22s ease;
}
.page-faq .faq-q[open] .faq-q__icon::after {
  transform: translateX(-50%) scaleY(0);
}
.page-faq .faq-q__body {
  padding: 0 1.1rem 1.1rem 2.9rem;
}
.page-faq .faq-q__body p {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.9;
  color: var(--ink-soft);
}
.page-faq .faq-fix__more {
  margin: 1.4rem 0 0;
}
.page-faq .faq-fix__more a {
  display: inline-block;
  padding-bottom: 0.15rem;
  font-weight: 700;
  color: var(--brick);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
}
.page-faq .faq-fix__more a:hover,
.page-faq .faq-fix__more a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- 账号与记录 ---------- */
.page-faq .faq-records {
  padding: var(--pad-y) 0;
  background: var(--space);
  color: var(--paper);
}
.page-faq .faq-records__grid {
  display: grid;
  gap: calc(var(--gap) * 1.4);
}
@media (min-width: 56rem) {
  .page-faq .faq-records__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
    gap: calc(var(--gap) * 2.2);
    align-items: start;
  }
}
.page-faq .faq-records__head h2 {
  margin: 0.55rem 0 0.9rem;
  font-size: clamp(1.6rem, 3.2vw, 2.35rem);
  line-height: 1.22;
  color: var(--paper);
}
.page-faq .faq-records__head p {
  margin: 0;
  font-size: 0.99rem;
  line-height: 1.9;
  color: var(--cyan-white);
  opacity: 0.84;
}
.page-faq .faq-records__list {
  display: grid;
  gap: 0.9rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
@media (min-width: 40rem) {
  .page-faq .faq-records__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--gap);
  }
}
.page-faq .faq-records__list li {
  padding: 1rem 1.1rem 1.15rem;
  border-top: 2px solid var(--cyan);
  background: var(--night);
  border-radius: 0 0 var(--r-card);
}
.page-faq .faq-records__list li:nth-child(even) {
  border-top-color: var(--amber);
}
.page-faq .faq-records__list h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--cyan-white);
}
.page-faq .faq-records__list p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact {
  padding: var(--pad-y) 0 calc(var(--pad-y) + var(--dock-h));
  background: var(--paper);
}
.page-faq .faq-contact__panel {
  display: grid;
  gap: calc(var(--gap) * 1.3);
  padding: 1.3rem 1.2rem 1.5rem;
  background: var(--paper-2);
  border-radius: var(--r-card);
  border: 1px solid rgba(30, 23, 20, 0.12);
  box-shadow: var(--shadow-lift);
}
@media (min-width: 56rem) {
  .page-faq .faq-contact__panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: calc(var(--gap) * 2);
    padding: 2.2rem 2rem;
    align-items: start;
  }
}
.page-faq .faq-contact__left h2 {
  margin: 0.55rem 0 0.9rem;
  font-size: clamp(1.55rem, 3.2vw, 2.3rem);
  line-height: 1.22;
  letter-spacing: -0.015em;
}
.page-faq .faq-contact__left p {
  margin: 0 0 0.85rem;
  font-size: 0.99rem;
  line-height: 1.9;
  color: var(--ink-soft);
}
.page-faq .faq-contact__note {
  padding: 0.75rem 0.9rem;
  border-left: 3px solid var(--amber);
  background: rgba(255, 194, 75, 0.16);
  border-radius: 0 10px 10px 0;
  font-size: var(--fs-note);
  line-height: 1.8;
  color: var(--ink-soft);
}
.page-faq .faq-contact__left .btn {
  margin-top: 0.7rem;
}
.page-faq .faq-contact__right {
  padding-top: 1rem;
  border-top: 2px solid var(--orange);
}
@media (min-width: 56rem) {
  .page-faq .faq-contact__right {
    padding-top: 0;
    border-top: 0;
    border-left: 2px solid var(--orange);
    padding-left: 1.5rem;
  }
}
.page-faq .faq-contact__dl {
  display: grid;
  gap: 0.85rem;
  margin: 0;
}
.page-faq .faq-contact__row dt {
  font-family: var(--font-num);
  font-size: var(--fs-note);
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  margin-bottom: 0.2rem;
}
.page-faq .faq-contact__row dd {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}
.page-faq .copy-btn {
  margin-top: 1.1rem;
  padding: 0.55rem 1.15rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink-soft);
  border-radius: 12px 4px 12px 4px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 30rem) {
  .page-faq .faq-hero h1 {
    font-size: 1.85rem;
  }
  .page-faq .faq-step,
  .page-faq .faq-q {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }
  .page-faq .faq-q__body {
    padding-left: 1.1rem;
  }
  .page-faq .faq-contact__panel {
    padding: 1.1rem 1rem 1.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .btn,
  .page-faq .faq-index a,
  .page-faq .faq-hero__quick a,
  .page-faq .faq-q__icon::after {
    transition: none;
  }
  .page-faq .btn:hover {
    transform: none;
  }
}