.page-faq {
  background: var(--kg-paper);
  color: var(--kg-ink);
  font-family: var(--kg-font-body);
  overflow-x: hidden;
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--kg-h) + 40px) 0 clamp(44px, 6vw, 78px);
  background:
    radial-gradient(110% 80% at 84% 6%, rgba(204, 255, 0, .18), transparent 56%),
    radial-gradient(80% 70% at 4% 96%, rgba(139, 195, 74, .28), transparent 62%),
    linear-gradient(165deg, #0B1710 0%, #102519 48%, #0B1710 100%);
  color: var(--kg-paper);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -220px;
  right: -180px;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: repeating-conic-gradient(from 0deg, rgba(199, 219, 192, .16) 0deg .5deg, transparent .5deg 9deg);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 8%, transparent 66%);
  mask-image: radial-gradient(circle at 50% 50%, #000 8%, transparent 66%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__crumbs {
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-faq .faq-hero__crumbs .kg-crumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__crumbs li,
.page-faq .faq-hero__crumbs a {
  font-family: var(--kg-font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: rgba(244, 247, 242, .68);
  text-decoration: none;
}

.page-faq .faq-hero__crumbs a:hover {
  color: var(--kg-lime);
}

.page-faq .faq-hero__crumbs [aria-current="page"] {
  color: var(--kg-lime);
}

.page-faq .faq-hero__kicker {
  color: rgba(244, 247, 242, .6);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--kg-font-display);
  font-size: clamp(42px, 9.2vw, 108px);
  line-height: .95;
  letter-spacing: -.015em;
  color: var(--kg-paper);
  transform: skewX(-5deg);
  transform-origin: left bottom;
}

.page-faq .faq-hero__title span {
  display: block;
  color: var(--kg-lime);
}

.page-faq .faq-hero__lede {
  margin: 24px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.85;
  color: rgba(244, 247, 242, .78);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 32px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid rgba(199, 219, 192, .22);
  list-style: none;
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: rgba(244, 247, 242, .62);
}

.page-faq .faq-hero__facts .kg-num {
  font-family: var(--kg-font-mono);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--kg-lime);
}

/* ============ 三类分流 ============ */
.page-faq .faq-triage {
  padding: clamp(46px, 6.5vw, 82px) 0 clamp(28px, 4vw, 46px);
}

.page-faq .faq-triage__title {
  margin: 10px 0 12px;
}

.page-faq .faq-triage__intro {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--kg-muted);
}

.page-faq .faq-triage__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 30px;
}

.page-faq .faq-triage__card {
  position: relative;
  display: block;
  padding: 26px 22px 26px;
  background: #fff;
  border: 1px solid var(--kg-hair);
  border-radius: 4px 26px 4px 26px;
  color: inherit;
  text-decoration: none;
  transition: transform .32s var(--kg-ease), border-color .32s var(--kg-ease), box-shadow .32s var(--kg-ease);
}

.page-faq .faq-triage__card::after {
  content: "";
  position: absolute;
  left: 22px;
  bottom: 0;
  width: 40px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--kg-grad-a), var(--kg-grad-b));
  transition: width .32s var(--kg-ease);
}

.page-faq .faq-triage__card:hover,
.page-faq .faq-triage__card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--kg-lime);
  box-shadow: 0 20px 36px -28px rgba(17, 17, 17, .55);
}

.page-faq .faq-triage__card:hover::after,
.page-faq .faq-triage__card:focus-visible::after {
  width: 78px;
}

.page-faq .faq-triage__no {
  display: block;
  font-family: var(--kg-font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--kg-skin);
}

.page-faq .faq-triage__name {
  margin: 12px 0 8px;
  font-family: var(--kg-font-display);
  font-size: 25px;
  line-height: 1.15;
  color: var(--kg-ink);
  transform: skewX(-4deg);
  transform-origin: left center;
}

.page-faq .faq-triage__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--kg-muted);
}

.page-faq .faq-triage__go {
  font-family: var(--kg-font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--kg-flesh);
}

/* ============ 主体：路径树 + 折叠问答 ============ */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: clamp(20px, 3vw, 34px);
  padding-bottom: clamp(52px, 7vw, 96px);
}

.page-faq .faq-tree {
  padding: 20px 16px;
  background: #fff;
  border: 1px solid var(--kg-hair);
  border-radius: var(--kg-radius);
}

.page-faq .faq-tree__head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0 8px 12px;
  border-bottom: 1px solid var(--kg-hair);
  font-family: var(--kg-font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--kg-skin);
}

.page-faq .faq-tree__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--kg-grad-a), var(--kg-grad-b));
}

.page-faq .faq-tree__list,
.page-faq .faq-tree__sub {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tree__node + .faq-tree__node {
  margin-top: 6px;
}

.page-faq .faq-tree__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--kg-ink);
  text-decoration: none;
  transition: background .22s var(--kg-ease), color .22s var(--kg-ease);
}

.page-faq .faq-tree__link:hover,
.page-faq .faq-tree__link:focus-visible {
  background: rgba(139, 195, 74, .14);
  color: var(--kg-ink);
}

.page-faq .faq-tree__no {
  font-family: var(--kg-font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--kg-skin);
}

.page-faq .faq-tree__sub {
  margin: 2px 0 12px 14px;
  padding-left: 14px;
  border-left: 1px solid var(--kg-hair);
  display: grid;
  gap: 1px;
}

.page-faq .faq-tree__sub a {
  display: block;
  padding: 5px 8px;
  border-left: 2px solid transparent;
  border-radius: 0 6px 6px 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--kg-muted);
  text-decoration: none;
  transition: color .2s var(--kg-ease), background .2s var(--kg-ease), border-color .2s var(--kg-ease);
}

.page-faq .faq-tree__sub a:hover,
.page-faq .faq-tree__sub a:focus-visible {
  color: var(--kg-ink);
  background: rgba(139, 195, 74, .1);
  border-left-color: var(--kg-lime);
}

.page-faq .faq-panels {
  display: grid;
  gap: clamp(44px, 6vw, 68px);
  min-width: 0;
}

.page-faq .faq-block {
  min-width: 0;
  scroll-margin-top: calc(var(--kg-h) + 24px);
}

.page-faq .faq-block__head {
  margin-bottom: 20px;
}

.page-faq .faq-block__title {
  margin: 8px 0 10px;
}

.page-faq .faq-block__intro {
  margin: 0;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--kg-muted);
}

.page-faq .faq-block__intro a {
  color: var(--kg-skin);
  text-decoration: none;
  border-bottom: 1px solid var(--kg-hair);
  transition: color .2s var(--kg-ease), border-color .2s var(--kg-ease);
}

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

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

/* 折叠问答 */
.page-faq .faq-item {
  background: #fff;
  border: 1px solid var(--kg-hair);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color .3s var(--kg-ease), box-shadow .3s var(--kg-ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(139, 195, 74, .6);
  box-shadow: 0 20px 36px -32px rgba(17, 17, 17, .65);
}

.page-faq .faq-item__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__head:focus-visible {
  outline: 2px solid var(--kg-lime);
  outline-offset: -3px;
}

.page-faq .faq-item__tag {
  flex: 0 0 auto;
  padding: 2px 8px;
  border: 1px solid var(--kg-hair);
  border-radius: 999px;
  font-family: var(--kg-font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--kg-skin);
  transition: background .25s var(--kg-ease), color .25s var(--kg-ease), border-color .25s var(--kg-ease);
}

.page-faq .faq-item[open] .faq-item__tag {
  background: var(--kg-lime);
  border-color: var(--kg-lime);
  color: var(--kg-ink);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--kg-ink);
}

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border: 1px solid var(--kg-hair);
  border-radius: 50%;
  transition: background .28s var(--kg-ease), border-color .28s var(--kg-ease);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--kg-ink);
  transform: translate(-50%, -50%);
  transition: opacity .25s var(--kg-ease);
}

.page-faq .faq-item__sign::before {
  width: 11px;
  height: 2px;
}

.page-faq .faq-item__sign::after {
  width: 2px;
  height: 11px;
}

.page-faq .faq-item[open] .faq-item__sign {
  background: var(--kg-lime);
  border-color: var(--kg-lime);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  opacity: 0;
}

.page-faq .faq-item__body {
  padding: 0 16px 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--kg-muted);
}

.page-faq .faq-item__body p {
  margin: 0;
  max-width: 70ch;
}

.page-faq .faq-item__body p + p {
  margin-top: 10px;
}

/* 图形容器 */
.page-faq .faq-figure {
  margin: 24px 0 0;
  border: 1px solid var(--kg-hair);
  border-radius: 4px 22px 4px 22px;
  overflow: hidden;
  background: var(--kg-night);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 16px 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--kg-muted);
  background: #fff;
}

/* ============ 流程图 ============ */
.page-faq .faq-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-faq .faq-flow__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faqflow;
  display: grid;
  gap: 16px;
}

.page-faq .faq-flow__steps li {
  position: relative;
  counter-increment: faqflow;
  padding-left: 48px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--kg-muted);
}

.page-faq .faq-flow__steps li::before {
  content: counter(faqflow, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  font-family: var(--kg-font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--kg-night);
  background: linear-gradient(135deg, var(--kg-grad-a), var(--kg-grad-b));
  border-radius: 50%;
}

.page-faq .faq-flow__steps strong {
  color: var(--kg-ink);
}

.page-faq .faq-flow__grid .faq-figure {
  margin-top: 0;
}

/* ============ 人工支持 ============ */
.page-faq .faq-contact {
  padding: 24px 20px;
  background: #fff;
  border: 1px solid var(--kg-hair);
  border-radius: var(--kg-radius);
}

.page-faq .faq-contact .kg-copy-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact .kg-copy {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 13px 15px;
  background: var(--kg-paper);
  border: 1px solid var(--kg-hair);
  border-radius: 10px;
  font-family: var(--kg-font-body);
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: border-color .25s var(--kg-ease), background .25s var(--kg-ease);
}

.page-faq .faq-contact .kg-copy:hover {
  border-color: var(--kg-lime);
  background: #fff;
}

.page-faq .faq-contact .kg-copy__key {
  flex: 0 0 auto;
  font-family: var(--kg-font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--kg-skin);
}

.page-faq .faq-contact .kg-copy__val {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--kg-font-mono);
  font-size: 14px;
  color: var(--kg-ink);
  word-break: break-all;
}

.page-faq .faq-contact .kg-copy__state {
  flex: 0 0 auto;
  font-family: var(--kg-font-mono);
  font-size: 11.5px;
  color: var(--kg-muted);
}

.page-faq .faq-contact .kg-copy[data-copied] .kg-copy__state {
  color: var(--kg-flesh);
}

.page-faq .faq-contact__note {
  margin: 18px 0 20px;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--kg-muted);
}

/* ============ 进入视口渐显 ============ */
.kg-js .page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .42s var(--kg-ease), transform .42s var(--kg-ease);
}

.kg-js .page-faq [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-faq .faq-item__body {
    padding-left: 64px;
  }

  .page-faq .faq-contact {
    padding: 28px 26px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-triage__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-faq .faq-flow__grid {
    gap: 32px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-tree {
    position: sticky;
    top: calc(var(--kg-h) + 24px);
  }

  .page-faq .faq-flow__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .78fr);
    align-items: start;
    gap: 44px;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-layout {
    grid-template-columns: 288px minmax(0, 1fr);
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }

  .kg-js .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
  }
}