.page-faq {
  background: var(--ky-paper);
  color: var(--ky-text);
  overflow-x: hidden;
}

.page-faq a {
  color: inherit;
}

.page-faq .faq-cmd,
.page-faq .faq-q__code,
.page-faq .faq-group__index,
.page-faq .faq-check__code,
.page-faq .faq-hero__mark-code,
.page-faq .faq-anchors__link {
  font-family: var(--ky-mono);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  background: var(--ky-ink);
  color: var(--ky-paper);
  padding: clamp(24px, 5vw, 56px) 0 clamp(28px, 5vw, 56px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(245, 241, 232, .05) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(245, 241, 232, .04) 0 1px, transparent 1px 72px);
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: center;
}

.page-faq .faq-hero__frame {
  position: relative;
  padding: clamp(18px, 3vw, 32px);
  border: 1px solid var(--ky-ink-line);
  border-left: 3px solid var(--ky-gold);
}

.page-faq .faq-hero__frame::before,
.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 1px solid var(--ky-gold);
  pointer-events: none;
}

.page-faq .faq-hero__frame::before {
  top: -1px;
  right: -1px;
  border-left: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__frame::after {
  bottom: -1px;
  left: -1px;
  border-right: 0;
  border-top: 0;
}

.page-faq .faq-hero__title {
  font-family: var(--ky-serif);
  font-size: clamp(2.4rem, 8vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--ky-paper);
  margin: 12px 0 16px;
}

.page-faq .faq-hero__lede {
  max-width: 40ch;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: rgba(245, 241, 232, .84);
  margin: 0;
}

.page-faq .faq-hero__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  font-size: .875rem;
  color: rgba(245, 241, 232, .7);
}

.page-faq .faq-hero__marks li {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-faq .faq-hero__mark-code {
  font-size: 1.05rem;
  color: var(--ky-gold-soft);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--ky-ink-line);
}

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

.page-faq .faq-hero__figure .ky-media__caption {
  color: rgba(245, 241, 232, .66);
  padding: 10px 12px;
  font-size: .8125rem;
  line-height: 1.6;
  border-top: 1px solid var(--ky-ink-line);
}

.page-faq .faq-hero__rule {
  position: relative;
  height: 10px;
  margin-top: clamp(20px, 3vw, 32px);
  background-image: repeating-linear-gradient(90deg, var(--ky-gold) 0 1px, transparent 1px 14px);
  opacity: .45;
}

/* ---------- 场景锚点条 ---------- */

.page-faq .faq-anchors {
  background: var(--ky-paper-2);
  border-bottom: 1px solid rgba(11, 27, 43, .12);
}

.page-faq .faq-anchors__list {
  display: flex;
  gap: 8px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 12px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-anchors__link {
  position: relative;
  display: inline-block;
  white-space: nowrap;
  padding: 8px 14px 10px;
  border: 1px solid rgba(11, 27, 43, .16);
  border-radius: var(--ky-pill);
  background: var(--ky-paper);
  font-size: .875rem;
  color: var(--ky-ink);
  text-decoration: none;
  transition: border-color .2s var(--ky-ease), color .2s var(--ky-ease);
}

.page-faq .faq-anchors__link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--ky-gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .22s var(--ky-ease);
}

.page-faq .faq-anchors__link:hover,
.page-faq .faq-anchors__link:focus-visible {
  border-color: var(--ky-gold);
}

.page-faq .faq-anchors__link:hover::after,
.page-faq .faq-anchors__link:focus-visible::after {
  transform: scaleX(1);
}

/* ---------- 主体布局 ---------- */

.page-faq .faq-layout {
  display: grid;
  gap: clamp(32px, 5vw, 52px);
  padding: clamp(32px, 6vw, 68px) 0 clamp(40px, 7vw, 80px);
}

.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-side {
  min-width: 0;
  display: grid;
  gap: 20px;
  align-content: start;
}

/* ---------- 分组 ---------- */

.page-faq .faq-group {
  scroll-margin-top: 96px;
  padding-bottom: clamp(28px, 4vw, 44px);
}

.page-faq .faq-group + .faq-group {
  border-top: 1px solid rgba(11, 27, 43, .12);
  padding-top: clamp(28px, 4vw, 44px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  row-gap: 6px;
  align-items: baseline;
  margin-bottom: clamp(16px, 2.5vw, 24px);
}

.page-faq .faq-group__index {
  grid-row: 1 / span 2;
  font-size: .95rem;
  color: var(--ky-gold);
  border-bottom: 2px solid var(--ky-gold);
  padding-bottom: 2px;
}

.page-faq .faq-group__title {
  font-family: var(--ky-serif);
  font-size: clamp(1.5rem, 3vw, 2.05rem);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--ky-ink);
  margin: 0;
}

.page-faq .faq-group__hint {
  grid-column: 2;
  margin: 0;
  font-size: .875rem;
  line-height: 1.6;
  color: var(--ky-muted);
}

/* ---------- 手风琴条目 ---------- */

.page-faq .ky-acc__item {
  background: #FBF8F1;
  border: 1px solid rgba(11, 27, 43, .14);
  clip-path: polygon(0 0, calc(100% - var(--ky-cut)) 0, 100% var(--ky-cut), 100% 100%, 0 100%);
  margin-bottom: 10px;
  transition: border-color .22s var(--ky-ease);
}

.page-faq .ky-acc__item:hover,
.page-faq .ky-acc__item:focus-within {
  border-color: var(--ky-gold);
}

.page-faq .faq-q {
  margin: 0;
  font-size: 1rem;
  font-weight: 400;
}

.page-faq .ky-acc__trigger {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 16px 18px 16px 14px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  font-family: var(--ky-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ky-ink);
}

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

.page-faq .faq-q__code {
  flex: 0 0 auto;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--ky-gold);
  border-left: 2px solid var(--ky-paper-2);
  padding-left: 8px;
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q__mark {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 6px;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--ky-ink);
  transition: transform .2s var(--ky-ease), opacity .2s var(--ky-ease);
}

.page-faq .faq-q__mark::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

.page-faq .faq-q__mark::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

.page-faq .ky-acc__trigger[aria-expanded="true"] .faq-q__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .ky-acc__trigger[aria-expanded="true"] {
  color: var(--ky-ink);
  border-bottom: 1px solid rgba(11, 27, 43, .12);
}

.page-faq .ky-acc__panel {
  padding: 16px 18px 20px 14px;
}

.page-faq .ky-acc__panel p {
  margin: 0 0 12px;
  max-width: 42ch;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--ky-text);
}

.page-faq .ky-acc__panel p:last-child {
  margin-bottom: 0;
}

.page-faq .ky-acc__panel a {
  color: var(--ky-ink);
  text-decoration: underline;
  text-decoration-color: var(--ky-gold);
  text-underline-offset: 3px;
}

/* ---------- 等宽体命令行 ---------- */

.page-faq .faq-cmd {
  display: block;
  font-size: .8125rem;
  line-height: 1.7;
  letter-spacing: .01em;
  color: var(--ky-ink);
  background: var(--ky-paper-2);
  border-left: 2px solid var(--ky-gold);
  padding: 9px 12px;
  margin: 14px 0 0;
  overflow-wrap: anywhere;
}

.page-faq .faq-cmd--dark {
  background: rgba(245, 241, 232, .08);
  border-left-color: var(--ky-gold-soft);
  color: var(--ky-paper);
}

/* ---------- 旁注栏 ---------- */

.page-faq .faq-side__box {
  background: var(--ky-ink);
  color: var(--ky-paper);
  padding: 20px;
  border: 1px solid var(--ky-ink-line);
  clip-path: polygon(0 0, calc(100% - var(--ky-cut)) 0, 100% var(--ky-cut), 100% 100%, 0 100%);
}

.page-faq .faq-side__box .ky-eyebrow {
  color: var(--ky-gold-soft);
}

.page-faq .faq-side__title {
  font-family: var(--ky-serif);
  font-size: 1.25rem;
  line-height: 1.4;
  margin: 8px 0 14px;
  color: var(--ky-paper);
}

.page-faq .faq-side__svg {
  display: block;
  width: 100%;
  height: auto;
  color: var(--ky-gold-soft);
  margin-bottom: 12px;
}

.page-faq .faq-side__text {
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: rgba(245, 241, 232, .78);
}

.page-faq .faq-side__figure {
  margin: 0;
  border: 1px solid rgba(11, 27, 43, .14);
  background: var(--ky-ink);
}

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

.page-faq .faq-side__note {
  background: var(--ky-paper-2);
  border: 1px solid rgba(11, 27, 43, .14);
  border-top: 3px solid var(--ky-cinnabar);
  padding: 18px;
}

.page-faq .faq-side__note-title {
  margin: 0 0 12px;
  font-family: var(--ky-serif);
  font-size: 1.0625rem;
  color: var(--ky-ink);
}

.page-faq .faq-side__list {
  list-style: none;
  counter-reset: faq-side;
  margin: 0;
  padding: 0;
}

.page-faq .faq-side__list li {
  counter-increment: faq-side;
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--ky-text);
}

.page-faq .faq-side__list li::before {
  content: counter(faq-side, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--ky-mono);
  font-size: .8125rem;
  color: var(--ky-cyan);
}

.page-faq .faq-side__note-foot {
  margin: 4px 0 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--ky-muted);
}

/* ---------- 底部升级区 ---------- */

.page-faq .faq-escalate {
  scroll-margin-top: 96px;
  background: var(--ky-ink);
  color: var(--ky-paper);
  padding: clamp(32px, 6vw, 68px) 0 clamp(36px, 6vw, 72px);
  border-top: 3px solid var(--ky-gold);
}

.page-faq .faq-escalate__inner {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-escalate__title {
  font-family: var(--ky-serif);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--ky-paper);
  margin: 10px 0 14px;
}

.page-faq .faq-escalate__lede {
  max-width: 44ch;
  margin: 0 0 clamp(20px, 3vw, 28px);
  font-size: .9375rem;
  line-height: 1.85;
  color: rgba(245, 241, 232, .8);
}

.page-faq .faq-checklist {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 30px);
  padding: 0;
  border-top: 1px solid var(--ky-ink-line);
}

.page-faq .faq-check {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 10px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--ky-ink-line);
}

.page-faq .faq-check__code {
  font-size: .8125rem;
  color: var(--ky-gold-soft);
}

.page-faq .faq-check__text {
  font-size: .9375rem;
  line-height: 1.75;
  color: rgba(245, 241, 232, .88);
}

.page-faq .faq-escalate__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-faq .faq-escalate__note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 46ch;
  font-size: .8125rem;
  line-height: 1.8;
  color: rgba(245, 241, 232, .62);
}

.page-faq .faq-escalate__side {
  border: 1px solid var(--ky-ink-line);
  background: var(--ky-ink-panel);
  padding: 20px;
  clip-path: polygon(0 0, calc(100% - var(--ky-cut)) 0, 100% var(--ky-cut), 100% 100%, 0 100%);
}

.page-faq .faq-escalate__side-title {
  margin: 0 0 14px;
  font-family: var(--ky-serif);
  font-size: 1.125rem;
  color: var(--ky-gold-soft);
}

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

.page-faq .faq-escalate__side-list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 12px;
  font-size: .875rem;
  line-height: 1.75;
  color: rgba(245, 241, 232, .82);
}

.page-faq .faq-escalate__side-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--ky-cyan);
}

.page-faq .faq-escalate__side-list a {
  color: var(--ky-paper);
  text-decoration: underline;
  text-decoration-color: var(--ky-gold);
  text-underline-offset: 3px;
}

.page-faq .faq-escalate a.ky-btn {
  color: var(--ky-paper);
  border-color: rgba(245, 241, 232, .5);
  text-decoration: none;
}

.page-faq .faq-escalate a.ky-btn:hover,
.page-faq .faq-escalate a.ky-btn:focus-visible {
  border-color: var(--ky-gold-soft);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-escalate__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-faq .ky-acc__trigger {
    font-size: 1.0625rem;
    padding: 18px 22px 18px 16px;
  }

  .page-faq .ky-acc__panel {
    padding: 18px 22px 24px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-anchors__link::after,
  .page-faq .faq-q__mark::before,
  .page-faq .faq-q__mark::after,
  .page-faq .ky-acc__item {
    transition: none;
  }
}