.page-faq {
  --faq-cut: 18px;
  --faq-sec-pad: clamp(20px, 3vw, 34px);
  --faq-teal-ink: #12756C;
  --faq-coral-ink: #C6402A;
  --faq-body-ink: #44536A;
  background: var(--sk-deep);
}

.page-faq .faq-hero {
  padding-top: calc(var(--sk-header-h) + clamp(18px, 3vw, 40px));
  padding-bottom: clamp(28px, 4vw, 54px);
  background:
    radial-gradient(120% 120% at 92% -12%, rgba(46, 196, 182, 0.18) 0%, rgba(46, 196, 182, 0) 55%),
    radial-gradient(95% 100% at 0% 112%, rgba(255, 107, 74, 0.13) 0%, rgba(255, 107, 74, 0) 62%),
    var(--sk-deep);
  border-bottom: 1px solid var(--sk-line);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 48px);
}

.page-faq .faq-hero__grid > *,
.page-faq .faq-body > *,
.page-faq .faq-devices > * {
  min-width: 0;
}

@media (min-width: 940px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

.page-faq .faq-hero__title {
  margin: 10px 0 18px;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--sk-paper);
}

.page-faq .faq-hero__intro {
  max-width: 60ch;
  margin: 0 0 24px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--sk-mist);
}

.page-faq .faq-hero__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--sk-mist);
}

.page-faq .faq-hero__marks .sk-mono {
  margin-right: 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--sk-teal);
}

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

.page-faq .faq-hero__figure .sk-figure__frame {
  overflow: hidden;
  border: 1px solid var(--sk-line);
  background: var(--sk-deep-2);
}

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

.page-faq .faq-hero__figure .sk-figure__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--sk-mist);
}

/* 版本选择条 */
.page-faq .faq-verbar {
  position: sticky;
  top: var(--sk-header-h);
  z-index: 30;
  background: rgba(11, 31, 58, 0.93);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--sk-line);
}

.page-faq .faq-verbar__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.page-faq .faq-verbar__label {
  flex: 0 0 auto;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--sk-mist);
  text-transform: uppercase;
}

.page-faq .faq-verbar__track {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid var(--sk-line);
  border-radius: 999px;
  color: var(--sk-mist);
  font-family: var(--sk-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--sk-ease), border-color 0.2s var(--sk-ease), background-color 0.2s var(--sk-ease);
}

.page-faq .faq-pill:hover,
.page-faq .faq-pill:focus-visible {
  color: var(--sk-paper);
  border-color: var(--sk-coral);
  background: rgba(255, 107, 74, 0.14);
}

.page-faq .faq-pill--current {
  background: var(--sk-teal);
  border-color: var(--sk-teal);
  color: var(--sk-deep);
  font-weight: 700;
}

.page-faq .faq-pill--current:hover,
.page-faq .faq-pill--current:focus-visible {
  background: var(--sk-teal);
  border-color: var(--sk-teal);
  color: var(--sk-deep);
}

/* 双栏骨架 */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 44px);
  padding-top: clamp(28px, 4vw, 52px);
  padding-bottom: clamp(48px, 6vw, 88px);
}

@media (min-width: 1020px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    align-items: start;
  }
}

.page-faq .faq-toc {
  position: relative;
}

@media (min-width: 1020px) {
  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--sk-header-h) + 74px);
  }
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sk-mist);
}

.page-faq .faq-toc__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

@media (min-width: 1020px) {
  .page-faq .faq-toc__list {
    display: block;
    overflow: visible;
    padding: 0;
  }
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-left: 2px solid transparent;
  color: var(--sk-mist);
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.2s var(--sk-ease), border-color 0.2s var(--sk-ease);
}

@media (min-width: 1020px) {
  .page-faq .faq-toc__link {
    padding: 9px 0 9px 14px;
  }
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--sk-paper);
  border-left-color: var(--sk-coral);
}

.page-faq .faq-toc__num {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sk-teal);
}

/* 内容面板 */
.page-faq .faq-sec {
  position: relative;
  margin-bottom: clamp(16px, 2.6vw, 28px);
  padding: var(--faq-sec-pad);
  background: var(--sk-paper);
  color: var(--sk-ink);
  scroll-margin-top: calc(var(--sk-header-h) + 86px);
  clip-path: polygon(
    0 0,
    calc(100% - var(--faq-cut)) 0,
    100% var(--faq-cut),
    100% 100%,
    var(--faq-cut) 100%,
    0 calc(100% - var(--faq-cut))
  );
}

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-faq .faq-sec__num {
  flex: 0 0 auto;
  padding-top: 2px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--faq-coral-ink);
}

.page-faq .faq-sec__head .sk-h2 {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.28;
  color: var(--sk-deep);
}

.page-faq .faq-sec__lead {
  max-width: 68ch;
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--faq-body-ink);
}

/* 版本分组 */
.page-faq .faq-versionlist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

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

.page-faq .faq-version {
  padding: 16px 18px;
  background: rgba(11, 31, 58, 0.045);
  border: 1px solid rgba(62, 90, 117, 0.32);
  border-left: 3px solid var(--sk-line);
  scroll-margin-top: calc(var(--sk-header-h) + 96px);
  transition: border-left-color 0.2s var(--sk-ease), background-color 0.2s var(--sk-ease), transform 0.2s var(--sk-ease);
}

.page-faq .faq-version:hover {
  transform: translateY(-2px);
  border-left-color: var(--sk-coral);
  background: rgba(255, 107, 74, 0.08);
}

.page-faq .faq-version:target {
  border-left-color: var(--sk-teal);
  background: rgba(46, 196, 182, 0.12);
}

.page-faq .faq-version__top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-faq .faq-version__code {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--sk-deep);
}

.page-faq .faq-version p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-body-ink);
}

.page-faq .faq-figure {
  margin: 22px 0 0;
}

.page-faq .faq-figure .sk-figure__frame {
  overflow: hidden;
  border: 1px solid rgba(62, 90, 117, 0.4);
  background: rgba(11, 31, 58, 0.06);
}

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

.page-faq .faq-figure .sk-figure__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: #5A6A80;
}

/* 问题分类与手风琴 */
.page-faq .faq-cat {
  margin-top: 24px;
}

.page-faq .faq-cat:first-of-type {
  margin-top: 0;
}

.page-faq .faq-cat__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--sk-deep);
}

.page-faq .faq-cat__title .sk-mono {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  background: var(--sk-deep);
  color: var(--sk-teal);
  font-size: 12px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%);
}

.page-faq .faq-acc {
  border-top: 1px solid rgba(62, 90, 117, 0.32);
}

.page-faq .faq-acc .sk-accordion__item {
  border-bottom: 1px solid rgba(62, 90, 117, 0.32);
}

.page-faq .faq-acc .sk-accordion__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  width: 100%;
  padding: 14px 4px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--sk-ink);
  font-family: var(--sk-font-body);
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.6;
  transition: color 0.2s var(--sk-ease);
}

.page-faq .faq-acc .sk-accordion__trigger:hover {
  color: var(--faq-coral-ink);
}

.page-faq .faq-acc .sk-accordion__trigger:focus-visible {
  outline: 2px solid var(--sk-teal);
  outline-offset: 2px;
}

.page-faq .faq-acc__num {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--faq-teal-ink);
}

.page-faq .faq-acc .sk-accordion__sign {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
}

.page-faq .faq-acc .sk-accordion__sign::before,
.page-faq .faq-acc .sk-accordion__sign::after {
  content: "";
  position: absolute;
  background: var(--faq-teal-ink);
  transition: transform 0.24s var(--sk-ease), opacity 0.24s var(--sk-ease);
}

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

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

.page-faq .faq-acc .sk-accordion__trigger[aria-expanded="true"] .sk-accordion__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-acc .sk-accordion__panel-inner {
  padding: 2px 4px 20px;
}

.page-faq .faq-acc .sk-accordion__panel-inner > p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-body-ink);
}

/* 步骤列表 */
.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: fs;
}

.page-faq .faq-steps > li {
  position: relative;
  counter-increment: fs;
  margin-left: 16px;
  padding: 2px 0 14px 30px;
  border-left: 1px solid rgba(62, 90, 117, 0.5);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-body-ink);
}

.page-faq .faq-steps > li:last-child {
  padding-bottom: 2px;
}

.page-faq .faq-steps > li::before {
  content: counter(fs, decimal-leading-zero);
  position: absolute;
  left: -17px;
  top: 4px;
  width: 32px;
  font-family: var(--sk-font-mono);
  font-size: 11px;
  line-height: 16px;
  letter-spacing: 0.04em;
  text-align: center;
  color: var(--faq-teal-ink);
  background: var(--sk-paper);
}

.page-faq .faq-steps--wide {
  margin-top: 4px;
}

/* 设备对照 */
.page-faq .faq-devices {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 760px) {
  .page-faq .faq-devices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .faq-device {
  padding: 20px 22px;
  background: var(--sk-deep);
  color: var(--sk-paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-faq .faq-device h3 {
  margin: 0 0 12px;
  font-family: var(--sk-font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--sk-teal);
}

.page-faq .faq-device__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-device__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: #D3DCE8;
}

.page-faq .faq-device__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 1px;
  background: var(--sk-coral);
}

.page-faq .faq-note {
  margin-top: 18px;
  padding: 16px 20px;
  background: rgba(232, 163, 61, 0.11);
  border-left: 3px solid var(--sk-amber);
}

.page-faq .faq-note__title {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8A6420;
}

.page-faq .faq-note ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-body-ink);
}

/* 反馈渠道 */
.page-faq .faq-contact {
  margin-top: 20px;
  padding: 20px 22px;
  background: var(--sk-deep);
  color: var(--sk-paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-faq .faq-contact__label {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sk-teal);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-contact__key {
  min-width: 72px;
  font-size: 13px;
  color: var(--sk-mist);
}

.page-faq .faq-contact__val {
  font-size: 15px;
  font-weight: 600;
  color: var(--sk-paper);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--sk-mist);
}

.page-faq .faq-contact__note a {
  color: var(--sk-coral-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 179, 160, 0.5);
}

.page-faq .faq-contact__note a:hover,
.page-faq .faq-contact__note a:focus-visible {
  color: var(--sk-paper);
  border-bottom-color: var(--sk-paper);
}

/* 目录索引轨迹 */
.page-faq .faq-track__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px dashed rgba(62, 90, 117, 0.42);
}

.page-faq .faq-track__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(62, 90, 117, 0.42);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--faq-body-ink);
}

@media (min-width: 720px) {
  .page-faq .faq-track__list li {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

.page-faq .faq-track__key {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--faq-teal-ink);
}

.page-faq .faq-track__list a {
  color: var(--sk-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--sk-coral);
}

.page-faq .faq-track__list a:hover,
.page-faq .faq-track__list a:focus-visible {
  color: var(--faq-coral-ink);
  border-bottom-color: var(--faq-coral-ink);
}

.page-faq .faq-note a {
  color: var(--sk-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--sk-coral);
}

.page-faq .faq-note a:hover,
.page-faq .faq-note a:focus-visible {
  color: var(--faq-coral-ink);
  border-bottom-color: var(--faq-coral-ink);
}

@media (max-width: 600px) {
  .page-faq {
    --faq-cut: 12px;
  }

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

  .page-faq .faq-sec__head {
    gap: 10px;
  }

  .page-faq .faq-acc .sk-accordion__trigger {
    gap: 9px;
    padding: 13px 2px;
    font-size: 15px;
  }

  .page-faq .faq-steps > li {
    padding-left: 24px;
    margin-left: 14px;
  }

  .page-faq .faq-contact {
    padding: 18px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}