.page-faq {
  --faq-hair: rgba(244, 239, 230, 0.09);
  --faq-hair-strong: rgba(244, 239, 230, 0.18);
  --faq-jade-soft: rgba(59, 201, 180, 0.14);
  --faq-gold-soft: rgba(242, 163, 58, 0.13);
  --faq-gap: 18px;
  padding-bottom: 72px;
}

.page-faq a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 208, 138, 0.35);
}

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

.page-faq .btn,
.page-faq .toc-link,
.page-faq .panel-foot a {
  border-bottom: 0;
}

.page-faq .breadcrumb {
  padding-top: 22px;
  font-size: 13px;
  color: var(--slate);
}

.page-faq .breadcrumb a {
  color: var(--slate);
  border-bottom: 0;
}

.page-faq .breadcrumb a:hover {
  color: var(--gold);
}

.page-faq .breadcrumb .is-current {
  color: var(--cream);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 26px;
  padding: 30px 0 8px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -10%;
  width: 70%;
  height: 240px;
  background: linear-gradient(115deg, transparent 30%, rgba(242, 163, 58, 0.10) 55%, transparent 78%);
  transform: skewY(-6deg);
  pointer-events: none;
}

.page-faq .hero-copy {
  position: relative;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 16px;
  font-family: var(--font-title);
  font-size: clamp(30px, 7.2vw, 54px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-faq .faq-hero .lead {
  max-width: 44ch;
  color: var(--slate);
  line-height: 1.75;
}

.page-faq .hero-actions {
  margin-top: 22px;
  gap: 12px;
  flex-wrap: wrap;
}

.page-faq .route-card {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--faq-hair-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, var(--ink-800) 0%, var(--ink-750) 60%, var(--ink-900) 100%);
  overflow: hidden;
}

.page-faq .route-card::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 2px solid rgba(242, 163, 58, 0.28);
  box-shadow: 0 0 40px rgba(242, 163, 58, 0.14) inset;
  pointer-events: none;
}

.page-faq .route-card .eyebrow {
  color: var(--gold);
}

.page-faq .route-list {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .route-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px dashed var(--faq-hair-strong);
}

.page-faq .route-list li:last-child {
  border-bottom: 0;
}

.page-faq .route-num {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--jade);
  padding-top: 2px;
}

.page-faq .route-body {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.6;
}

.page-faq .route-body strong {
  display: block;
  margin-bottom: 2px;
  color: var(--cream);
  font-size: 15px;
}

.page-faq .route-foot {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 章节目录 ---------- */
.page-faq .faq-toc {
  display: flex;
  gap: 10px;
  margin: 26px 0 4px;
  padding: 4px 0 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-toc::-webkit-scrollbar {
  display: none;
}

.page-faq .toc-link {
  flex: 0 0 auto;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-hair-strong);
  color: var(--slate);
  font-size: 13px;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .toc-link:hover {
  color: var(--cream);
  border-color: var(--gold);
}

.page-faq .toc-link[aria-current="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-900);
  font-weight: 700;
}

/* ---------- 通用段落 ---------- */
.page-faq .section {
  padding: 44px 0;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .section:first-of-type {
  border-top: 0;
}

.page-faq .section-head {
  max-width: 60ch;
  margin-bottom: 26px;
}

.page-faq .section-head .eyebrow {
  color: var(--jade);
}

.page-faq .section-head h2 {
  margin: 8px 0 12px;
  font-family: var(--font-title);
  font-size: clamp(23px, 4.4vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-faq .section-head .lead {
  margin: 0;
  color: var(--slate);
  line-height: 1.78;
}

/* ---------- 三步卡 ---------- */
.page-faq .step-grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .step-card {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-lg);
  background: var(--ink-800);
  overflow: hidden;
}

.page-faq .step-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold) 0%, rgba(242, 163, 58, 0) 78%);
}

.page-faq .step-card:nth-child(2)::before {
  background: linear-gradient(90deg, var(--jade) 0%, rgba(59, 201, 180, 0) 78%);
}

.page-faq .step-card:nth-child(3)::before {
  background: linear-gradient(90deg, var(--slate) 0%, rgba(143, 163, 181, 0) 78%);
}

.page-faq .step-index {
  display: block;
  font-family: var(--font-num);
  font-size: 40px;
  line-height: 1;
  color: rgba(242, 163, 58, 0.26);
  margin-bottom: 12px;
}

.page-faq .step-card:nth-child(2) .step-index {
  color: rgba(59, 201, 180, 0.26);
}

.page-faq .step-card:nth-child(3) .step-index {
  color: rgba(143, 163, 181, 0.28);
}

.page-faq .step-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .step-card p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
}

.page-faq .step-card .step-note {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--faq-hair-strong);
  font-size: 13px;
  color: var(--slate);
}

.page-faq .step-figure {
  margin: 22px 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--faq-hair);
  background: var(--ink-750);
}

.page-faq .step-figure img,
.page-faq .index-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .step-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
  background: var(--ink-800);
  border-top: 1px solid var(--faq-hair);
}

/* ---------- 手风琴问答 ---------- */
.page-faq .faq-stack {
  display: grid;
  gap: 10px;
  max-width: 78ch;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  transition: border-color 0.18s ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(59, 201, 180, 0.38);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--cream);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
  padding-top: 2px;
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--jade);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 2px;
  border-radius: var(--radius-md);
}

.page-faq .faq-answer {
  padding: 0 18px 16px;
}

.page-faq .faq-answer p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 平板同步 ---------- */
.page-faq .tablet-grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .tablet-card {
  padding: 22px 20px;
  border: 1px solid var(--faq-hair);
  background: var(--ink-800);
}

.page-faq .tablet-card h3 {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .plain-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .plain-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
}

.page-faq .plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--jade);
}

.page-faq .sync-panel {
  margin-top: var(--faq-gap);
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(59, 201, 180, 0.26);
  background: linear-gradient(160deg, rgba(59, 201, 180, 0.09) 0%, var(--ink-800) 62%);
}

.page-faq .sync-panel h3 {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .sync-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .sync-steps li {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .sync-dot {
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  border: 2px solid var(--jade);
  background: transparent;
}

.page-faq .sync-foot {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-hair-strong);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 版本确认清单 ---------- */
.page-faq .check-panel {
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--faq-hair);
  background: var(--ink-800);
}

.page-faq .check-title {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-faq .check-list {
  display: grid;
  gap: 10px;
}

.page-faq .check-item {
  position: relative;
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  align-items: start;
  padding: 13px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--faq-hair-strong);
  background: var(--ink-750);
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-faq .check-item:hover {
  border-color: rgba(242, 163, 58, 0.45);
}

.page-faq .check-item input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-faq .check-box {
  position: relative;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  border: 1px solid var(--faq-hair-strong);
  display: grid;
  place-items: center;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.page-faq .check-box::after {
  content: "";
  width: 6px;
  height: 11px;
  margin-top: -2px;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(45deg) scale(0);
  transition: transform 0.18s ease;
}

.page-faq .check-item input:checked + .check-box {
  background: var(--jade);
  border-color: var(--jade);
}

.page-faq .check-item input:checked + .check-box::after {
  transform: rotate(45deg) scale(1);
}

.page-faq .check-item input:focus-visible + .check-box {
  outline: 2px solid var(--gold-soft);
  outline-offset: 2px;
}

.page-faq .check-text {
  font-size: 14px;
  line-height: 1.68;
  color: var(--slate);
}

.page-faq .check-text strong {
  display: block;
  margin-bottom: 3px;
  color: var(--cream);
  font-size: 15px;
}

.page-faq .install-notes {
  display: grid;
  gap: 14px;
  margin-top: var(--faq-gap);
}

.page-faq .install-notes article {
  padding: 18px 18px 16px;
  border-left: 3px solid var(--rock);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(42, 47, 53, 0.42);
}

.page-faq .install-notes h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .install-notes p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
}

.page-faq .install-cta {
  margin: 22px 0 0;
}

/* ---------- 客服前准备 ---------- */
.page-faq .support-grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .prep-list li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--faq-hair);
  background: var(--ink-800);
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .prep-num {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--gold);
  padding-top: 3px;
}

.page-faq .prep-list strong {
  display: block;
  margin-bottom: 2px;
  color: var(--cream);
  font-size: 15px;
}

.page-faq .prep-foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .contact-card {
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(242, 163, 58, 0.28);
  background: linear-gradient(165deg, rgba(242, 163, 58, 0.10) 0%, var(--ink-800) 58%);
}

.page-faq .contact-card .eyebrow {
  color: var(--gold);
}

.page-faq .contact-rows {
  margin: 14px 0 0;
  display: grid;
  gap: 12px;
}

.page-faq .contact-rows dt {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
  margin-bottom: 3px;
}

.page-faq .contact-rows dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--cream);
  word-break: break-word;
}

.page-faq .contact-note {
  margin: 16px 0 18px;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-hair-strong);
  font-size: 13px;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 索引与标签页 ---------- */
.page-faq .index-grid {
  display: grid;
  gap: 20px;
  margin-bottom: 24px;
}

.page-faq .index-copy h2 {
  margin: 8px 0 12px;
  font-family: var(--font-title);
  font-size: clamp(23px, 4.4vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-faq .index-copy .eyebrow {
  color: var(--jade);
}

.page-faq .index-copy .lead {
  margin: 0;
  max-width: 46ch;
  color: var(--slate);
  line-height: 1.78;
}

.page-faq .index-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--faq-hair);
  background: var(--ink-750);
  aspect-ratio: 4 / 3;
}

.page-faq .tabset {
  border-top: 1px solid var(--faq-hair);
  padding-top: 18px;
}

.page-faq .tablist {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 14px;
  scrollbar-width: none;
}

.page-faq .tablist::-webkit-scrollbar {
  display: none;
}

.page-faq .tab {
  flex: 0 0 auto;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-hair-strong);
  background: transparent;
  color: var(--slate);
  font-family: var(--font-body);
  font-size: 13px;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .tab:hover {
  color: var(--cream);
  border-color: var(--gold);
}

.page-faq .tab[aria-selected="true"] {
  background: var(--jade);
  border-color: var(--jade);
  color: var(--ink-900);
  font-weight: 700;
}

.page-faq .tab:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 2px;
}

.page-faq .tabpanel {
  padding-top: 6px;
}

.page-faq .panel-foot {
  margin: 14px 0 0;
  font-size: 13px;
}

.page-faq .panel-foot a {
  color: var(--gold);
}

.page-faq .index-note {
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--faq-hair-strong);
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .step-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .tablet-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .install-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-item summary {
    font-size: 16px;
    padding: 18px 22px;
  }

  .page-faq .faq-answer {
    padding: 0 22px 18px;
  }
}

@media (min-width: 900px) {
  .page-faq {
    padding-bottom: 96px;
  }

  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 36px;
    align-items: start;
    padding: 44px 0 14px;
  }

  .page-faq .route-card {
    padding: 24px 24px 22px;
    margin-top: 12px;
  }

  .page-faq .faq-toc {
    margin: 10px 0 6px;
  }

  .page-faq .section {
    padding: 66px 0;
  }

  .page-faq .section-head {
    margin-bottom: 34px;
  }

  .page-faq .step-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .step-card {
    padding: 26px 24px 22px;
  }

  .page-faq .check-panel {
    padding: 26px 26px;
  }

  .page-faq .check-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .install-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .sync-panel {
    padding: 26px 26px;
  }

  .page-faq .support-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 26px;
    align-items: start;
  }

  .page-faq .index-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 32px;
    align-items: center;
    margin-bottom: 30px;
  }

  .page-faq .index-figure {
    aspect-ratio: 10 / 7;
  }

  .page-faq .step-figure {
    margin-top: 26px;
  }
}