.page-faq {
  --faq-line-soft: rgba(14, 17, 22, .1);
  --faq-glass: rgba(255, 255, 255, .06);
  --faq-gap: clamp(20px, 4vw, 40px);
  color: var(--c-ink);
}

/* ===================== 首屏 ===================== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 52px) 0 clamp(40px, 6vw, 76px);
  color: var(--c-cloud);
  background:
    radial-gradient(120% 90% at 86% 4%, rgba(10, 132, 255, .34), transparent 58%),
    radial-gradient(90% 70% at 4% 98%, rgba(0, 229, 208, .16), transparent 62%),
    linear-gradient(158deg, var(--c-deep-2) 0%, var(--c-deep) 52%, #232936 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -46%;
  width: 46%;
  height: 92%;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 50%;
  transform: rotate(-18deg);
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-size: .83rem;
}

.page-faq .faq-hero .breadcrumb-link {
  color: rgba(244, 246, 249, .7);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-hero .breadcrumb-link:hover,
.page-faq .faq-hero .breadcrumb-link:focus-visible {
  color: var(--c-cyan);
}

.page-faq .faq-hero .breadcrumb-sep {
  color: rgba(244, 246, 249, .38);
}

.page-faq .faq-hero .breadcrumb-current {
  color: var(--c-cloud);
  font-weight: 600;
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  color: var(--c-cyan);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 16em;
  font-size: clamp(2rem, 5.6vw, 3.5rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-faq .faq-hero .lead {
  margin: 18px 0 0;
  max-width: 42ch;
  color: rgba(244, 246, 249, .82);
  font-size: 1.02rem;
  line-height: 1.85;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* 速览玻璃面板 */
.page-faq .faq-panel {
  padding: 20px 20px 18px;
  border: 1px solid var(--glass-line);
  border-radius: var(--r-lg);
  background: var(--glass-dark);
  box-shadow: var(--sh-float);
  backdrop-filter: blur(12px);
}

.page-faq .faq-panel-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--c-cyan);
}

.page-faq .faq-facts {
  margin: 0;
}

.page-faq .faq-fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 11px 0;
  border-top: 1px solid var(--glass-line-soft);
}

.page-faq .faq-fact:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-fact dt {
  color: rgba(244, 246, 249, .66);
  font-size: .86rem;
}

.page-faq .faq-fact dd {
  margin: 0;
  color: var(--c-cloud);
  font-size: .95rem;
  font-weight: 600;
  white-space: nowrap;
}

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--c-orange);
}

/* 三步条 */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: clamp(30px, 5vw, 54px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  min-width: 0;
}

.page-faq .faq-step-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 4px 14px;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid var(--glass-line);
  border-radius: var(--r-md);
  background: var(--faq-glass);
  color: var(--c-cloud);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-step-link:hover,
.page-faq .faq-step-link:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 208, .6);
  background: rgba(255, 255, 255, .1);
}

.page-faq .step-num {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1.5px solid rgba(0, 229, 208, .55);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: .92rem;
  color: var(--c-cyan);
}

.page-faq .step-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-faq .step-goal {
  font-size: .83rem;
  line-height: 1.55;
  color: rgba(244, 246, 249, .62);
}

/* ===================== 流程说明区 ===================== */
.page-faq .faq-flow {
  padding: clamp(38px, 6vw, 76px) 0 0;
}

.page-faq .faq-flow .section-head {
  max-width: 62ch;
}

.page-faq .faq-flow .section-title {
  margin: 10px 0 0;
  font-size: clamp(1.55rem, 3.2vw, 2.35rem);
  font-weight: 900;
  letter-spacing: -.015em;
  line-height: 1.2;
}

.page-faq .faq-flow .section-desc {
  margin: 14px 0 0;
  color: var(--c-stone);
  font-size: 1rem;
  line-height: 1.85;
}

.page-faq .faq-flow-figure {
  margin: clamp(24px, 4vw, 38px) 0 0;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(10, 132, 255, .08), rgba(0, 229, 208, .08));
}

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

.page-faq .faq-flow-figure figcaption {
  padding: 12px 18px;
  border-top: 1px solid var(--faq-line-soft);
  background: var(--c-card);
  color: var(--c-stone);
  font-size: .85rem;
}

.page-faq .step-details {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-faq .step-detail {
  padding: 22px 20px;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-md);
  background: var(--c-card);
  scroll-margin-top: calc(var(--header-h) + 26px);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .step-detail:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-card);
}

.page-faq .step-detail h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.4;
}

.page-faq .step-detail p {
  margin: 0 0 12px;
  color: var(--c-stone);
  font-size: .95rem;
  line-height: 1.78;
}

.page-faq .step-detail p:last-child {
  margin-bottom: 0;
}

.page-faq .hint-card {
  padding: 12px 14px;
  border-left: 3px solid var(--c-blue);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(10, 132, 255, .08);
  color: var(--c-ink) !important;
  font-size: .9rem !important;
  line-height: 1.7 !important;
}

.page-faq .hint-card strong {
  color: var(--c-blue-deep);
}

/* ===================== 问答区 ===================== */
.page-faq .faq-body {
  margin-top: clamp(38px, 6vw, 76px);
  padding: clamp(40px, 6vw, 82px) 0 clamp(48px, 8vw, 96px);
  background: var(--c-cloud);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

/* 问题索引 */
.page-faq .faq-index {
  padding: 16px;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-md);
  background: var(--c-card);
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--c-stone);
}

.page-faq .faq-index-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index-list li {
  flex: 0 0 auto;
}

.page-faq .faq-index-link {
  display: block;
  padding: 8px 14px;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-pill);
  color: var(--c-stone);
  font-size: .89rem;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  border-color: var(--c-blue);
  background: rgba(10, 132, 255, .1);
  color: var(--c-blue-deep);
}

/* 问答组 */
.page-faq .qa-group {
  scroll-margin-top: calc(var(--header-h) + 26px);
  margin-bottom: clamp(34px, 5vw, 56px);
}

.page-faq .qa-group:last-child {
  margin-bottom: 0;
}

.page-faq .qa-group-head {
  margin-bottom: 20px;
}

.page-faq .qa-group-head .eyebrow {
  margin: 0;
  color: var(--c-orange-deep);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .12em;
}

.page-faq .qa-group-head h2 {
  margin: 8px 0 0;
  font-size: clamp(1.4rem, 2.8vw, 1.95rem);
  font-weight: 900;
  letter-spacing: -.015em;
  line-height: 1.25;
}

.page-faq .qa-group-head p {
  margin: 12px 0 0;
  max-width: 56ch;
  color: var(--c-stone);
  font-size: .96rem;
  line-height: 1.85;
}

.page-faq .qa-group-head a,
.page-faq .qa-a a {
  color: var(--c-blue-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .qa-group-head a:hover,
.page-faq .qa-a a:hover {
  color: var(--c-orange-deep);
}

/* 折叠问答 */
.page-faq .qa-item {
  margin-bottom: 12px;
  padding: 0 18px;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-md);
  background: var(--c-card);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .qa-item:last-child {
  margin-bottom: 0;
}

.page-faq .qa-item[open] {
  border-color: rgba(10, 132, 255, .42);
  box-shadow: var(--sh-card);
}

.page-faq .qa-q {
  position: relative;
  padding: 16px 38px 16px 0;
  cursor: pointer;
  list-style: none;
  color: var(--c-ink);
  font-size: 1.01rem;
  font-weight: 700;
  line-height: 1.6;
}

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

.page-faq .qa-q::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--c-blue);
  border-bottom: 2px solid var(--c-blue);
  transform: translateY(-72%) rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-faq .qa-item[open] .qa-q::after {
  transform: translateY(-28%) rotate(-135deg);
}

.page-faq .qa-q:focus-visible {
  outline: 2px solid var(--c-blue);
  outline-offset: 4px;
  border-radius: var(--r-xs);
}

.page-faq .qa-a {
  padding: 0 0 18px;
}

.page-faq .qa-a p {
  margin: 0 0 10px;
  color: var(--c-stone);
  font-size: .95rem;
  line-height: 1.85;
}

.page-faq .qa-a p:last-child {
  margin-bottom: 0;
}

.page-faq .batch-code {
  display: inline-block;
  padding: 2px 10px;
  border: 1px dashed rgba(255, 107, 26, .5);
  border-radius: var(--r-xs);
  background: rgba(255, 107, 26, .1);
  color: var(--c-orange-deep);
  font-family: var(--font-mono);
  font-size: .86rem;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .batch-code:hover,
.page-faq .batch-code:focus-visible {
  background: rgba(255, 107, 26, .2);
  border-color: var(--c-orange);
}

.page-faq .batch-code[data-copied]::after {
  content: " 已复制";
  font-family: var(--font-sans);
  font-size: .76rem;
  color: var(--c-stone);
}

/* 问答区内的配图 */
.page-faq .qa-figure {
  margin: 0 0 12px;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-card);
}

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

.page-faq .qa-figure figcaption {
  padding: 10px 16px;
  border-top: 1px solid var(--faq-line-soft);
  color: var(--c-stone);
  font-size: .82rem;
}

/* ===================== 收尾 ===================== */
.page-faq .faq-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  margin-top: clamp(40px, 6vw, 72px);
  padding: clamp(26px, 4vw, 46px);
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, var(--c-deep-2) 0%, #232b3a 92%);
  color: var(--c-cloud);
}

.page-faq .faq-cta h2 {
  margin: 0 0 10px;
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  font-weight: 900;
  letter-spacing: -.015em;
  line-height: 1.25;
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 52ch;
  color: rgba(244, 246, 249, .78);
  font-size: .95rem;
  line-height: 1.8;
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===================== 响应式 ===================== */
@media (min-width: 700px) {
  .page-faq .step-details {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-faq .faq-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 37px;
    right: -26px;
    width: 26px;
    height: 2px;
    background: linear-gradient(90deg, rgba(10, 132, 255, .9), rgba(0, 229, 208, .7));
  }

  .page-faq .step-details {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-faq .faq-index-list {
    display: grid;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index-link {
    border-color: transparent;
    border-radius: var(--r-xs);
    padding: 8px 12px;
    white-space: normal;
  }
}

@media (min-width: 800px) {
  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (max-width: 520px) {
  .page-faq .faq-hero h1 {
    font-size: clamp(1.75rem, 8vw, 2.2rem);
  }

  .page-faq .faq-panel {
    padding: 16px;
  }

  .page-faq .qa-item {
    padding: 0 14px;
  }

  .page-faq .qa-q {
    padding-right: 32px;
    font-size: .96rem;
  }
}