.page-faq {
  --faq-panel: rgba(11, 23, 48, 0.68);
  --faq-dash: rgba(22, 38, 74, 0.85);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-faq .page-faq__hero {
  position: relative;
  isolation: isolate;
  padding: clamp(20px, 3.6vw, 40px) 0 clamp(14px, 2.4vw, 26px);
}

.page-faq .page-faq__hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: min(560px, 80vw);
  height: min(440px, 64vw);
  background:
    radial-gradient(circle at 68% 32%, rgba(123, 91, 255, 0.3), transparent 66%),
    radial-gradient(circle at 20% 84%, rgba(47, 243, 208, 0.15), transparent 62%);
  pointer-events: none;
  z-index: -1;
}

.page-faq .page-faq__hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
  align-items: end;
}

@media (min-width: 940px) {
  .page-faq .page-faq__hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    gap: clamp(24px, 4vw, 56px);
  }
}

.page-faq .page-faq__hero-main h1 {
  margin: 8px 0 14px;
}

.page-faq .page-faq__hero-aside {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, rgba(11, 23, 48, 0.94), rgba(6, 11, 26, 0.72));
  padding: clamp(18px, 2.4vw, 24px);
  box-shadow: var(--shadow-soft);
}

.page-faq .page-faq__aside-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.09em;
  color: var(--cyan-400);
}

.page-faq .page-faq__stats {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .page-faq__stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--faq-dash);
}

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

.page-faq .page-faq__stat-value {
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.3vw, 23px);
  font-weight: 700;
  color: var(--cyan-400);
  letter-spacing: -0.01em;
  line-height: 1.2;
  flex: 0 0 auto;
}

.page-faq .page-faq__stat-value--warm {
  color: var(--orange-500);
}

.page-faq .page-faq__stat-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
  text-align: right;
}

/* ---------- 顶部锚点索引条 ---------- */
.page-faq .page-faq__railbar {
  position: sticky;
  top: calc(var(--header-h) + 4px);
  z-index: 12;
  margin-top: clamp(16px, 2.8vw, 26px);
  padding: 10px 0;
  background: linear-gradient(180deg, rgba(6, 11, 26, 0.97) 18%, rgba(6, 11, 26, 0.78) 72%, rgba(6, 11, 26, 0));
}

.page-faq .page-faq__rail-inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 0 6px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

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

.page-faq .page-faq__rail-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: rgba(11, 23, 48, 0.78);
  color: var(--slate-300);
  font-size: 14px;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-faq .page-faq__rail-link:hover,
.page-faq .page-faq__rail-link:focus-visible {
  border-color: rgba(47, 243, 208, 0.55);
  background: rgba(22, 38, 74, 0.92);
  color: var(--frost-100);
}

.page-faq .page-faq__rail-link .mono {
  font-size: 11.5px;
  color: var(--cyan-400);
}

/* ---------- 主体双栏 + 右侧进度轨 ---------- */
.page-faq .page-faq__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 38px);
  align-items: start;
  padding-top: clamp(12px, 2vw, 20px);
}

@media (min-width: 1080px) {
  .page-faq .page-faq__body {
    grid-template-columns: minmax(0, 880px) 76px;
    justify-content: space-between;
  }
}

.page-faq .page-faq__main {
  display: grid;
  gap: clamp(40px, 6vw, 74px);
  min-width: 0;
}

.page-faq .page-faq__section {
  scroll-margin-top: calc(var(--header-h) + 96px);
}

.page-faq .page-faq__ticker {
  display: none;
}

@media (min-width: 1080px) {
  .page-faq .page-faq__ticker {
    display: flex;
    position: sticky;
    top: calc(var(--header-h) + 116px);
    flex-direction: column;
    align-items: center;
    gap: 24px;
    padding: 6px 0;
  }

  .page-faq .page-faq__ticker::before {
    content: "";
    position: absolute;
    top: 14px;
    bottom: 14px;
    left: 50%;
    width: 1px;
    transform: translateX(-50%);
    background: linear-gradient(180deg, rgba(47, 243, 208, 0.55), rgba(123, 91, 255, 0.42), rgba(255, 138, 61, 0.4), rgba(22, 38, 74, 0));
  }

  .page-faq .page-faq__tick {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 5px 7px;
    border-radius: var(--radius-pill);
    background: var(--bg);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--text-muted);
  }

  .page-faq .page-faq__tick::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1px solid rgba(47, 243, 208, 0.5);
    background: var(--ink-900);
  }
}

/* ---------- 章节标题 ---------- */
.page-faq .page-faq__section-head {
  display: grid;
  gap: 10px;
}

.page-faq .page-faq__section-head .display-2 {
  margin: 0;
}

.page-faq .page-faq__section-note {
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-muted);
}

@media (min-width: 880px) {
  .page-faq .page-faq__section-head {
    grid-template-columns: 132px minmax(0, 1fr);
    column-gap: clamp(18px, 3vw, 36px);
    row-gap: 12px;
    align-items: start;
  }

  .page-faq .page-faq__section-head .eyebrow {
    grid-column: 1;
    margin-top: 12px;
  }

  .page-faq .page-faq__section-head .display-2,
  .page-faq .page-faq__section-head .page-faq__section-note {
    grid-column: 2;
  }
}

/* ---------- 三步流程 ---------- */
.page-faq .page-faq__steps {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

@media (min-width: 800px) {
  .page-faq .page-faq__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-faq .page-faq__step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 26px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(47, 243, 208, 0.09), transparent 58%),
    linear-gradient(168deg, rgba(11, 23, 48, 0.96), rgba(6, 11, 26, 0.84));
  box-shadow: var(--shadow-soft);
}

@media (min-width: 800px) {
  .page-faq .page-faq__step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -18px;
    width: 11px;
    height: 11px;
    border-top: 2px solid rgba(47, 243, 208, 0.6);
    border-right: 2px solid rgba(47, 243, 208, 0.6);
    transform: translateY(-50%) rotate(45deg);
  }
}

.page-faq .page-faq__step-num {
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan-400);
}

.page-faq .page-faq__step h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--frost-100);
}

.page-faq .page-faq__step p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .page-faq__step-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
}

/* ---------- 图片容器 ---------- */
.page-faq .page-faq__figure {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
}

/* ---------- 步骤列表 ---------- */
.page-faq .page-faq__pipeline-wrap {
  margin-top: clamp(20px, 3vw, 28px);
}

.page-faq .page-faq__pipeline {
  list-style: none;
  counter-reset: pipe;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .page-faq__pipeline-wrap .page-faq__pipeline {
  margin-top: 0;
}

.page-faq .page-faq__pipeline li {
  counter-increment: pipe;
  position: relative;
  padding-left: 38px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .page-faq__pipeline li::before {
  content: counter(pipe, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-400);
}

.page-faq .page-faq__pipeline strong {
  color: var(--frost-100);
  font-weight: 700;
}

.page-faq .page-faq__pipeline--plain {
  margin: 0;
  gap: 9px;
}

.page-faq .page-faq__pipeline--plain li {
  padding-left: 32px;
  font-size: 14.5px;
}

.page-faq .page-faq__pipeline--wide {
  max-width: 46em;
}

/* ---------- 路径对比 ---------- */
.page-faq .page-faq__compare {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 28px);
}

@media (min-width: 720px) {
  .page-faq .page-faq__compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

.page-faq .page-faq__compare-col {
  padding: clamp(20px, 2.4vw, 26px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--faq-panel);
}

.page-faq .page-faq__compare-col--fast {
  border-color: rgba(47, 243, 208, 0.42);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(47, 243, 208, 0.12), transparent 62%),
    linear-gradient(168deg, rgba(11, 23, 48, 0.96), rgba(6, 11, 26, 0.88));
  box-shadow: var(--glow-cyan);
}

.page-faq .page-faq__compare-label {
  margin: 0 0 16px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.page-faq .page-faq__compare-col--fast .page-faq__compare-label {
  color: var(--cyan-400);
}

.page-faq .page-faq__compare-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-dash);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-faq .page-faq__compare-note .mono {
  font-size: 18px;
  color: var(--orange-500);
  margin-right: 4px;
}

.page-faq .page-faq__aside-note {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding-left: 16px;
  border-left: 2px solid rgba(47, 243, 208, 0.35);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-muted);
}

.page-faq .page-faq__aside-note a {
  color: var(--slate-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 208, 0.4);
}

.page-faq .page-faq__aside-note a:hover,
.page-faq .page-faq__aside-note a:focus-visible {
  color: var(--cyan-400);
}

/* ---------- 栏目胶囊 ---------- */
.page-faq .page-faq__chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(20px, 3vw, 26px) 0 0;
  padding: 0;
}

.page-faq .page-faq__chip {
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: rgba(11, 23, 48, 0.72);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text);
}

/* ---------- 折叠问答 ---------- */
.page-faq .page-faq__qa-group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: clamp(24px, 3.4vw, 34px) 0 14px;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--frost-100);
  scroll-margin-top: calc(var(--header-h) + 96px);
}

.page-faq .page-faq__qa-group-title::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan-400), rgba(47, 243, 208, 0));
  flex: 0 0 auto;
}

.page-faq .page-faq__qa-list {
  display: grid;
  gap: 12px;
}

.page-faq .page-faq__qa {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(11, 23, 48, 0.56);
  transition: border-color 0.22s ease, background 0.22s ease;
}

.page-faq .page-faq__qa[open] {
  border-color: rgba(47, 243, 208, 0.34);
  background: rgba(11, 23, 48, 0.84);
}

.page-faq .page-faq__qa-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(16px, 2vw, 20px) clamp(16px, 2.2vw, 22px);
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.6;
  color: var(--frost-100);
}

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

.page-faq .page-faq__qa-q::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.5;
  color: var(--cyan-400);
}

.page-faq .page-faq__qa[open] .page-faq__qa-q::after {
  content: "-";
}

.page-faq .page-faq__qa-num {
  flex: 0 0 auto;
  min-width: 36px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(47, 243, 208, 0.32);
  font-size: 11.5px;
  line-height: 1.6;
  text-align: center;
  color: var(--cyan-400);
}

.page-faq .page-faq__qa-a {
  margin: 0 clamp(16px, 2.2vw, 22px);
  padding: 14px 0 clamp(16px, 2vw, 20px);
  border-top: 1px solid var(--faq-dash);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

@media (min-width: 600px) {
  .page-faq .page-faq__qa-a {
    padding-left: 48px;
  }
}

.page-faq .page-faq__qa-a p {
  margin: 0;
}

/* ---------- 打断块 ---------- */
.page-faq .page-faq__break {
  display: grid;
  gap: 16px;
  margin-top: 16px;
  padding: clamp(18px, 2.4vw, 24px);
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(255, 138, 61, 0.45);
  background: linear-gradient(150deg, rgba(255, 138, 61, 0.11), rgba(6, 11, 26, 0.3));
}

@media (min-width: 760px) {
  .page-faq .page-faq__break {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
  }
}

.page-faq .page-faq__break p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .page-faq__break-label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.09em;
  color: var(--orange-500);
}

.page-faq .page-faq__break-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .page-faq__break--violet {
  border-color: rgba(123, 91, 255, 0.5);
  background: linear-gradient(150deg, rgba(123, 91, 255, 0.15), rgba(6, 11, 26, 0.32));
}

.page-faq .page-faq__break--violet .page-faq__break-label {
  color: var(--cyan-400);
}

/* ---------- 分类索引 ---------- */
.page-faq .page-faq__map {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

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

@media (min-width: 1040px) {
  .page-faq .page-faq__map {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .page-faq__map-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.2vw, 24px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(11, 23, 48, 0.62);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

.page-faq .page-faq__map-card:hover,
.page-faq .page-faq__map-card:focus-visible {
  border-color: rgba(47, 243, 208, 0.5);
  background: rgba(22, 38, 74, 0.72);
  transform: translateY(-2px);
}

.page-faq .page-faq__map-num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate-500);
}

.page-faq .page-faq__map-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--frost-100);
}

.page-faq .page-faq__map-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-faq .page-faq__map-more {
  margin-top: auto;
  padding-top: 10px;
  font-size: 13px;
  color: var(--cyan-400);
}

.page-faq .page-faq__map-foot {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-faq .page-faq__map-foot a {
  color: var(--slate-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 208, 0.4);
}

.page-faq .page-faq__map-foot a:hover,
.page-faq .page-faq__map-foot a:focus-visible {
  color: var(--cyan-400);
}