.page-faq {
  --faq-rule: rgba(11, 30, 45, 0.14);
  --faq-rule-light: rgba(241, 233, 216, 0.2);
  --faq-paper-lift: rgba(255, 255, 255, 0.46);
  background: var(--paper-cream);
  color: var(--ink-navy);
  font-family: var(--font-body);
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(96px, 16vw, 200px) 0 clamp(52px, 8vw, 96px);
  color: var(--paper-cream);
  background-color: var(--ink-navy);
  background-image:
    repeating-linear-gradient(90deg, rgba(94, 127, 146, 0.16) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(94, 127, 146, 0.1) 0 1px, transparent 1px 96px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: 14%;
  width: 48%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--pitch-cyan));
  transform: rotate(-8deg);
  opacity: 0.75;
  pointer-events: none;
}

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

.page-faq .faq-hero-eyebrow {
  margin: clamp(20px, 3vw, 34px) 0 0;
  color: var(--cream-70);
}

.page-faq .faq-h1 {
  margin: 0.22em 0 0;
  max-width: 900px;
  font-family: var(--font-display);
  font-size: clamp(34px, 8.4vw, 96px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper-cream);
  text-wrap: balance;
}

.page-faq .faq-h1 span {
  color: var(--pitch-cyan);
}

.page-faq .faq-hero-lede {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 58ch;
  font-size: clamp(15.5px, 1.7vw, 18px);
  line-height: 1.72;
  color: var(--cream-80);
}

.page-faq .faq-hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero-links a {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--faq-rule-light);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cream-80);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-hero-links a:hover,
.page-faq .faq-hero-links a:focus-visible {
  color: var(--ink-navy);
  background-color: var(--pitch-cyan);
  border-color: var(--pitch-cyan);
}

/* ---------- 通用区块 ---------- */
.page-faq .faq-start,
.page-faq .faq-scenes,
.page-faq .faq-questions {
  padding: clamp(56px, 9vw, 112px) 0;
}

.page-faq .faq-sec-head {
  max-width: 760px;
}

.page-faq .faq-sec-head .h2 {
  margin: 0.34em 0 0;
}

.page-faq .faq-sec-desc {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-navy);
}

.page-faq .faq-inline-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--pitch-cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-navy);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-inline-link::after {
  content: "→";
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--clay);
  border-bottom-color: var(--clay);
}

/* ---------- 快速开始 ---------- */
.page-faq .faq-start-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  margin-top: clamp(30px, 5vw, 52px);
}

.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 26px);
  padding: 24px 0 28px;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  left: 22px;
  top: 60px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--line-blue), transparent);
}

.page-faq .faq-step:last-child::after {
  display: none;
}

.page-faq .faq-step-num {
  position: relative;
  z-index: 1;
  display: block;
  height: fit-content;
  padding: 7px 0;
  text-align: center;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink-navy);
  background-color: var(--mist-cyan);
  border: 1px solid var(--line-blue);
  border-radius: var(--radius);
}

.page-faq .faq-step-body .h3 {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.2vw, 23px);
}

.page-faq .faq-step-body p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink-navy);
}

.page-faq .faq-start-figure {
  margin: 0;
  border: 2px solid var(--ink-navy);
  background-color: var(--mist-cyan);
  box-shadow: var(--shadow-paper);
}

.page-faq .faq-start-figure img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-faq .faq-start-figure .media-caption {
  display: block;
  padding: 12px 14px;
  border-top: 1px solid var(--ink-navy);
  background-color: var(--paper-cream);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--ink-navy);
}

/* ---------- 按场景查找 ---------- */
.page-faq .faq-scenes {
  background-color: rgba(11, 30, 45, 0.04);
  border-top: 1px solid var(--faq-rule);
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-scene-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-scene-tabs a {
  display: inline-block;
  padding: 9px 24px 9px 16px;
  border: 1px solid var(--ink-navy);
  background-color: var(--paper-cream);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-navy);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-scene-tabs a:hover,
.page-faq .faq-scene-tabs a:focus-visible {
  background-color: var(--ink-navy);
  color: var(--pitch-cyan);
}

.page-faq .faq-scene-list {
  margin-top: 24px;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-scene {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding: 26px 0;
  border-bottom: 1px solid var(--faq-rule);
  scroll-margin-top: 96px;
}

.page-faq .faq-scene-name {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink-navy);
}

.page-faq .faq-scene-name::before {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  background-color: var(--pitch-cyan);
  border: 1px solid var(--ink-navy);
}

.page-faq .faq-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-navy);
}

.page-faq .faq-path .node {
  padding: 4px 8px;
  background-color: var(--mist-cyan);
  border: 1px solid var(--line-blue);
  border-radius: var(--radius);
}

.page-faq .faq-path .arrow {
  font-weight: 700;
  color: var(--moss-green);
}

.page-faq .faq-scene-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-navy);
}

.page-faq .faq-scene-text .faq-inline-link {
  margin-top: 8px;
  display: inline-flex;
}

/* ---------- 下载与版本 ---------- */
.page-faq .faq-download {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 9vw, 104px) 0;
  background-color: var(--slate-blue);
  color: var(--paper-cream);
}

.page-faq .faq-download::before {
  content: "";
  position: absolute;
  left: -6%;
  top: 10%;
  width: 42%;
  height: 2px;
  background: linear-gradient(90deg, var(--pitch-cyan), transparent);
  transform: rotate(-8deg);
  opacity: 0.6;
  pointer-events: none;
}

.page-faq .faq-download-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
}

.page-faq .faq-download-figure {
  margin: 0;
  border: 2px solid var(--pitch-cyan);
  background-color: var(--deep-panel);
}

.page-faq .faq-download-figure img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-faq .faq-download-figure .media-caption {
  display: block;
  padding: 12px 14px;
  border-top: 1px solid var(--faq-rule-light);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--cream-70);
}

.page-faq .faq-download-body .eyebrow {
  color: var(--amber-bright);
}

.page-faq .faq-download-body .h2 {
  margin: 0.3em 0 0;
  color: var(--paper-cream);
}

.page-faq .faq-download-lede {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--cream-80);
}

.page-faq .faq-legend {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-legend li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--faq-rule-light);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--cream-80);
}

.page-faq .faq-legend li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-chip {
  display: inline-block;
  padding: 4px 6px;
  border-radius: var(--radius);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
}

.page-faq .faq-chip--amber {
  background-color: var(--amber);
  color: var(--deep-panel);
}

.page-faq .faq-chip--moss {
  background-color: var(--moss-green);
  color: var(--paper-cream);
}

.page-faq .faq-chip--cyan {
  background-color: var(--pitch-cyan);
  color: var(--deep-panel);
}

.page-faq .faq-dl-steps {
  display: grid;
  gap: 0;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-dl-steps li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-top: 1px solid var(--faq-rule-light);
  font-size: 15px;
  line-height: 1.65;
  color: var(--cream-90);
}

.page-faq .faq-dl-steps .mono {
  font-size: 12px;
  font-weight: 700;
  color: var(--pitch-cyan);
}

.page-faq .faq-goto {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding: 12px 24px;
  background-color: var(--amber);
  color: var(--deep-panel);
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
  transition: background-color 0.2s var(--ease);
}

.page-faq .faq-goto:hover,
.page-faq .faq-goto:focus-visible {
  background-color: var(--amber-bright);
}

/* ---------- 常见问题 ---------- */
.page-faq .faq-q-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
}

.page-faq .faq-q-aside .h2 {
  margin: 0.32em 0 0;
}

.page-faq .faq-q-aside-text {
  margin: 18px 0 20px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-navy);
}

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

.page-faq .faq-q {
  border: 1px solid var(--ink-navy);
  border-left: 5px solid var(--moss-green);
  background-color: var(--faq-paper-lift);
  transition: border-left-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-q[open] {
  border-left-color: var(--pitch-cyan);
  background-color: rgba(255, 255, 255, 0.72);
}

.page-faq .faq-q summary {
  position: relative;
  display: block;
  padding: 15px 46px 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-navy);
  transition: background-color 0.2s var(--ease);
}

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

.page-faq .faq-q summary:hover,
.page-faq .faq-q summary:focus-visible {
  background-color: var(--mist-cyan);
}

.page-faq .faq-q summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--moss-green);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-q-body {
  margin-top: 0;
  padding: 14px 16px 18px;
  border-top: 1px dashed var(--faq-rule);
}

.page-faq .faq-q-short {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-left: 3px solid var(--moss-green);
  background-color: var(--mist-cyan);
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink-navy);
}

.page-faq .faq-q-detail {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-navy);
}

/* ---------- 咨询 ---------- */
.page-faq .faq-help {
  position: relative;
  overflow: hidden;
  padding: clamp(52px, 8vw, 96px) 0;
  background-color: var(--ink-navy);
  color: var(--paper-cream);
}

.page-faq .faq-help::after {
  content: "";
  position: absolute;
  right: -6%;
  bottom: 8%;
  width: 52%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--amber));
  transform: rotate(-8deg);
  opacity: 0.75;
  pointer-events: none;
}

.page-faq .faq-help-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-faq .faq-help-eyebrow {
  color: var(--amber-bright);
}

.page-faq .faq-help-title {
  margin: 0.3em 0 0;
  color: var(--paper-cream);
}

.page-faq .faq-help-text {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--cream-80);
}

.page-faq .faq-help-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.page-faq .faq-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  background-color: var(--amber);
  color: var(--deep-panel);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
  transition: background-color 0.2s var(--ease);
}

.page-faq .faq-cta:hover,
.page-faq .faq-cta:focus-visible {
  background-color: var(--amber-bright);
}

.page-faq .faq-help-mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--cream-70);
  word-break: break-all;
}

/* ---------- 响应式 ---------- */
@media (min-width: 860px) {
  .page-faq .faq-scene {
    grid-template-columns: 128px minmax(0, 1.18fr) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 40px);
    align-items: start;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-download-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-start-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: start;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-q-grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    align-items: start;
  }

  .page-faq .faq-q-aside {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-help-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }
}

@media (max-width: 600px) {
  .page-faq .faq-start-figure {
    box-shadow: 6px 6px 0 rgba(11, 30, 45, 0.14);
  }

  .page-faq .faq-step {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
  }

  .page-faq .faq-step::after {
    left: 20px;
  }

  .page-faq .faq-legend li {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 12px;
  }

  .page-faq .faq-chip {
    font-size: 10.5px;
    padding: 4px 4px;
  }

  .page-faq .faq-scene-tabs a {
    padding: 8px 20px 8px 14px;
    font-size: 13px;
  }

  .page-faq .faq-hero-links a {
    font-size: 11.5px;
    padding: 8px 12px;
  }

  .page-faq .faq-q summary {
    font-size: 15px;
    padding: 14px 42px 14px 14px;
  }

  .page-faq .faq-q-body {
    padding: 12px 14px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero-links a,
  .page-faq .faq-scene-tabs a,
  .page-faq .faq-q summary,
  .page-faq .faq-q summary::after,
  .page-faq .faq-goto,
  .page-faq .faq-cta,
  .page-faq .faq-inline-link {
    transition: none;
  }
}