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

/* ===== 首屏 Hero ===== */
.page-faq .faq-hero {
  background: var(--color-purple);
  color: var(--color-cream);
  border-bottom: 4px solid var(--color-ink);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  background: var(--color-orange);
  border-radius: 42% 58% 35% 65% / 48% 42% 58% 52%;
  opacity: .85;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 12%;
  bottom: -80px;
  width: 200px;
  height: 200px;
  background: var(--color-green);
  border-radius: 50%;
  opacity: .14;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  padding-top: var(--sp-5);
  padding-bottom: var(--sp-6);
}

.page-faq .faq-hero .breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-head);
  font-size: 12px;
  color: rgba(255, 248, 231, .72);
  margin-bottom: var(--sp-4);
}

.page-faq .faq-hero .breadcrumbs a {
  color: rgba(255, 248, 231, .72);
  text-decoration: none;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
}

.page-faq .faq-hero .breadcrumbs a:hover {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}

.page-faq .faq-hero .breadcrumbs-sep {
  color: var(--color-yellow);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: var(--sp-5);
}

@media (min-width: 720px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: end;
  }
}

.page-faq .faq-hero-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--color-green);
  background: rgba(0, 0, 0, .25);
  border: 1px solid rgba(184, 255, 41, .35);
  border-radius: var(--radius-pill);
  padding: .35rem .875rem;
  margin-bottom: var(--sp-4);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 4vw, 2.35rem);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 var(--sp-3);
  max-width: 46rem;
}

.page-faq .faq-h1-sub {
  font-size: .68em;
  font-weight: 400;
  opacity: .78;
}

.page-faq .faq-hero-lead {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255, 248, 231, .88);
  margin: 0 0 var(--sp-4);
  max-width: 40rem;
}

.page-faq .faq-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.page-faq .faq-hero-hot {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-ink);
  background: var(--color-yellow);
  border: 1px solid rgba(255, 248, 231, .6);
  border-radius: var(--radius-pill);
  padding: .3rem .625rem;
}

.page-faq .faq-hero-entry {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-faq .faq-hero-chip {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-cream);
  background: var(--color-ink);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  padding: .375rem .75rem;
  text-decoration: none;
  transition: color .2s, border-color .2s, background .2s;
}

.page-faq .faq-hero-chip:hover {
  color: var(--color-green);
  border-color: var(--color-green);
  background: rgba(0, 0, 0, .55);
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* ===== 主体双栏 ===== */
.page-faq .faq-layout {
  display: grid;
  gap: var(--sp-5);
  padding-top: var(--sp-5);
  padding-bottom: var(--sp-7);
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    align-items: start;
    gap: var(--sp-6);
  }
}

/* ===== 侧栏 ===== */
.page-faq .faq-sidebar-inner {
  background: var(--color-pink);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--sp-5);
}

@media (min-width: 960px) {
  .page-faq .faq-sidebar-inner {
    position: sticky;
    top: calc(var(--header-h) + var(--sp-4));
  }
}

.page-faq .faq-sidebar-label {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  border-bottom: 2px solid var(--color-ink);
  padding-bottom: var(--sp-2);
  margin: 0 0 var(--sp-3);
}

.page-faq .faq-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  margin-bottom: var(--sp-4);
}

@media (max-width: 959px) {
  .page-faq .faq-sidebar-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--sp-1);
  }
}

.page-faq .faq-sidebar-link {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
  padding: .5rem .625rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: background .2s, border-color .2s;
}

.page-faq .faq-sidebar-link:hover {
  background: var(--color-yellow);
  border-color: var(--color-ink);
}

@media (max-width: 959px) {
  .page-faq .faq-sidebar-link {
    border-color: var(--color-ink);
    background: var(--color-cream);
    border-radius: var(--radius-pill);
    padding: .375rem .75rem;
    font-size: 12px;
  }
}

.page-faq .faq-sidebar-block {
  margin-top: var(--sp-4);
}

.page-faq .faq-sidebar-filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem;
}

.page-faq .faq-sidebar-filter-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-ink);
  background: var(--color-cream);
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-pill);
  padding: .25rem .5rem;
}

.page-faq .faq-sidebar .btn {
  display: block;
  width: 100%;
  text-align: center;
  margin-bottom: var(--sp-2);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  padding: .625rem .875rem;
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  color: var(--color-ink);
  background: var(--color-cream);
  transition: transform .15s, box-shadow .15s, background .15s;
  box-sizing: border-box;
}

.page-faq .faq-sidebar .btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-sidebar .btn--primary {
  background: var(--color-yellow);
}

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

/* ===== 主内容 ===== */
.page-faq .faq-main {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  min-width: 0;
}

/* ===== 章节通用 ===== */
.page-faq .faq-section {
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-section::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
}

.page-faq .faq-section--filter {
  background: var(--color-page);
}

.page-faq .faq-section--filter::before {
  background: var(--color-green);
}

.page-faq .faq-section--favorites {
  background: var(--color-pink);
}

.page-faq .faq-section--favorites::before {
  background: var(--color-new);
}

.page-faq .faq-section--account {
  background: var(--color-tag-bg);
}

.page-faq .faq-section--account::before {
  background: var(--color-update);
}

.page-faq .faq-section--device {
  background: var(--color-orange);
}

.page-faq .faq-section--device::before {
  background: var(--color-yellow);
}

.page-faq .faq-section-head {
  border-bottom: 2px dashed var(--color-ink);
  padding-bottom: var(--sp-4);
  margin-bottom: var(--sp-5);
}

.page-faq .faq-section-code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-ink);
  background: var(--color-yellow);
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-sm);
  padding: .25rem .5rem;
  margin-bottom: var(--sp-2);
}

.page-faq .faq-section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  font-weight: 700;
  margin: 0 0 var(--sp-2);
  line-height: 1.3;
}

.page-faq .faq-section-lead {
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.65;
  margin: 0;
  opacity: .82;
}

/* ===== 步骤卡 ===== */
.page-faq .faq-steps {
  display: grid;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

@media (min-width: 700px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .faq-step-card {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
  padding: var(--sp-4);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  background: var(--color-cream);
  cursor: pointer;
  position: relative;
  transition: transform .2s, box-shadow .2s, background .2s;
}

.page-faq .faq-step-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: var(--color-pink);
}

.page-faq .faq-step-check {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  margin: 0;
}

.page-faq .faq-step-num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-ink);
  background: var(--color-green);
  border: 2px solid var(--color-ink);
  border-radius: 50%;
  transition: background .2s, color .2s, transform .2s;
}

.page-faq .faq-step-check:checked + .faq-step-num {
  background: var(--color-ink);
  color: var(--color-green);
  transform: scale(.92);
}

.page-faq .faq-step-check:focus-visible + .faq-step-num {
  outline: 3px solid var(--color-update);
  outline-offset: 2px;
}

.page-faq .faq-step-body {
  display: flex;
  flex-direction: column;
  gap: .25rem;
}

.page-faq .faq-step-title {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-step-text {
  font-family: var(--font-body);
  font-size: .875rem;
  line-height: 1.6;
  opacity: .85;
}

.page-faq .faq-step-check:checked ~ .faq-step-body {
  opacity: .55;
}

.page-faq .faq-step-check:checked ~ .faq-step-body .faq-step-title {
  text-decoration: line-through;
}

/* ===== 步骤示意图 ===== */
.page-faq .faq-steps-img {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  margin: 0 auto var(--sp-5);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* ===== 六种检索方式 ===== */
.page-faq .faq-sub-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 var(--sp-3);
}

.page-faq .faq-method-grid {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 960px) {
  .page-faq .faq-method-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .page-faq .faq-method-grid {
    grid-template-columns: 1fr;
  }
}

.page-faq .faq-method-card {
  display: flex;
  flex-direction: column;
  gap: .375rem;
  padding: var(--sp-4);
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-md);
  background: var(--color-pink);
  font-family: var(--font-body);
  font-size: .875rem;
  line-height: 1.5;
}

.page-faq .faq-method-card:nth-child(odd) {
  background: var(--color-tag-bg);
}

.page-faq .faq-method-icon {
  width: 1.75rem;
  height: 1.75rem;
  color: var(--color-orange);
}

.page-faq .faq-method-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.page-faq .faq-method-card strong {
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 700;
  color: var(--color-ink);
}

.page-faq .faq-method-card span:last-child {
  color: var(--color-ink);
  opacity: .82;
}

/* ===== 收藏与下载：双栏问答 ===== */
.page-faq .faq-qa-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.page-faq .faq-qa-item {
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  background: var(--color-cream);
  overflow: hidden;
}

.page-faq .faq-qa-item summary {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 600;
  color: var(--color-ink);
  transition: background .2s;
}

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

.page-faq .faq-qa-item summary:hover {
  background: var(--color-yellow);
}

.page-faq .faq-qa-mark {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-ink);
  background: var(--color-green);
  border: 2px solid var(--color-ink);
  border-radius: 50%;
}

.page-faq .faq-qa-text {
  flex: 1;
}

.page-faq .faq-qa-toggle {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  transition: transform .25s;
}

.page-faq .faq-qa-item[open] .faq-qa-toggle {
  transform: rotate(45deg);
}

.page-faq .faq-qa-a {
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border-top: 2px dashed var(--color-ink);
  font-family: var(--font-body);
  font-size: .9rem;
  line-height: 1.7;
  color: var(--color-ink);
}

.page-faq .faq-qa-a p {
  margin: 0;
  flex: 1;
}

.page-faq .faq-qa-a .faq-qa-mark {
  background: var(--color-orange);
  color: var(--color-cream);
}

@media (min-width: 720px) {
  .page-faq .faq-qa-item[open] {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  }

  .page-faq .faq-qa-item[open] .faq-qa-a {
    border-top: 0;
    border-left: 2px dashed var(--color-ink);
  }
}

/* ===== 账户与评价 ===== */
.page-faq .faq-account-list {
  display: grid;
  gap: var(--sp-3);
}

.page-faq .faq-account-item {
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  background: var(--color-cream);
  overflow: hidden;
}

.page-faq .faq-account-item summary {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-4);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 600;
  color: var(--color-ink);
  transition: background .2s;
}

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

.page-faq .faq-account-item summary:hover {
  background: var(--color-pink);
}

.page-faq .faq-account-toggle {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-update);
  transition: transform .25s;
}

.page-faq .faq-account-item[open] .faq-account-toggle {
  transform: rotate(45deg);
}

.page-faq .faq-account-item p {
  margin: 0;
  padding: var(--sp-3) var(--sp-4) var(--sp-4);
  border-top: 1px dashed var(--color-ink);
  font-family: var(--font-body);
  font-size: .9rem;
  line-height: 1.7;
  color: var(--color-ink);
  opacity: .9;
}

/* ===== 移动端与电脑端：对比表 ===== */
.page-faq .faq-device-table-wrap {
  overflow-x: auto;
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  background: var(--color-cream);
}

.page-faq .faq-device-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: .9rem;
  min-width: 480px;
}

.page-faq .faq-device-table th {
  font-family: var(--font-head);
  font-size: .8125rem;
  font-weight: 700;
  text-align: left;
  padding: .75rem 1rem;
  background: var(--color-ink);
  color: var(--color-cream);
}

.page-faq .faq-device-table th:first-child {
  border-radius: var(--radius-md) 0 0 0;
}

.page-faq .faq-device-table th:last-child {
  border-radius: 0 var(--radius-md) 0 0;
}

.page-faq .faq-device-table td {
  border: 1px solid var(--color-ink);
  border-top: 0;
  padding: .625rem 1rem;
  vertical-align: top;
  color: var(--color-ink);
}

.page-faq .faq-device-table td:first-child {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .875rem;
  background: var(--color-tag-bg);
  white-space: nowrap;
}

.page-faq .faq-device-table tbody tr:nth-child(even) td {
  background: var(--color-pink);
}

.page-faq .faq-device-table tbody tr:nth-child(even) td:first-child {
  background: var(--color-tag-bg);
}

@media (max-width: 640px) {
  .page-faq .faq-device-table {
    min-width: 0;
  }

  .page-faq .faq-device-table thead {
    display: none;
  }

  .page-faq .faq-device-table,
  .page-faq .faq-device-table tbody,
  .page-faq .faq-device-table tr,
  .page-faq .faq-device-table td {
    display: block;
    width: 100%;
  }

  .page-faq .faq-device-table tr {
    border: 2px solid var(--color-ink);
    border-radius: var(--radius-md);
    background: var(--color-cream);
    padding: .625rem .75rem;
    margin-bottom: .75rem;
  }

  .page-faq .faq-device-table td {
    border: 0;
    padding: .4rem 0;
  }

  .page-faq .faq-device-table td:first-child {
    background: transparent;
    border-bottom: 1px dashed var(--color-ink);
    margin-bottom: .25rem;
    padding-bottom: .5rem;
    font-family: var(--font-head);
    font-size: .875rem;
  }

  .page-faq .faq-device-table td:not(:first-child) {
    display: flex;
    justify-content: space-between;
    gap: .75rem;
  }

  .page-faq .faq-device-table td:not(:first-child)[data-label]::before {
    content: attr(data-label);
    font-family: var(--font-head);
    font-size: .75rem;
    font-weight: 700;
    opacity: .6;
    flex-shrink: 0;
  }
}

/* ===== 版本演进说明 ===== */
.page-faq .faq-device-note {
  margin-top: var(--sp-4);
  padding: var(--sp-4);
  background: var(--color-purple);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: .875rem;
  line-height: 1.7;
}

.page-faq .faq-device-note strong {
  display: block;
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 700;
  color: var(--color-yellow);
  margin-bottom: .375rem;
}

.page-faq .faq-device-note p {
  margin: 0;
}

/* ===== 更多帮助入口 ===== */
.page-faq .faq-more-help {
  background: var(--color-purple);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  color: var(--color-cream);
}

.page-faq .faq-more-help h2 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 var(--sp-4);
  color: var(--color-cream);
}

.page-faq .faq-more-grid {
  display: grid;
  gap: var(--sp-3);
}

@media (min-width: 700px) {
  .page-faq .faq-more-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-more-card {
  display: flex;
  flex-direction: column;
  gap: .375rem;
  padding: var(--sp-4);
  background: var(--color-cream);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-ink);
  transition: transform .2s, box-shadow .2s;
}

.page-faq .faq-more-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.page-faq .faq-more-code {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-orange);
}

.page-faq .faq-more-card strong {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-ink);
}

.page-faq .faq-more-card span:last-child {
  font-family: var(--font-body);
  font-size: .8125rem;
  line-height: 1.5;
  color: var(--color-ink);
  opacity: .8;
}