.page-faq {
  --faq-index-w: 232px;
  --faq-tick: rgba(18, 112, 126, .14);
  background: var(--paper);
  color: var(--ink-text);
  font-family: var(--font-body);
}

.page-faq .breadcrumbs {
  padding: 14px 20px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(32, 48, 60, .6);
}

.page-faq .breadcrumbs a {
  color: var(--teal-700);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--orange-600);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    repeating-linear-gradient(90deg, rgba(31, 191, 208, .07) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(31, 191, 208, .07) 0 1px, transparent 1px 64px),
    linear-gradient(158deg, #0B1B2B 0%, #12314A 62%, #0B1B2B 100%);
  color: #F5F6F2;
  border-bottom: 1px solid var(--line-dark);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal-400), var(--orange-600) 55%, var(--lime-400));
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 26px;
  padding: 34px 0 40px;
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--teal-400);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 6.4vw, 50px);
  line-height: 1.18;
  letter-spacing: .04em;
  color: #FFFFFF;
}

.page-faq .faq-hero .lead {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 246, 242, .78);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* 更新时间板 */
.page-faq .faq-hero__board {
  position: relative;
  padding: 18px 18px 16px;
  background: linear-gradient(165deg, rgba(18, 49, 74, .94), rgba(11, 27, 43, .98));
  border: 1px solid var(--line-dark-strong);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-faq .board__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--teal-400);
}

.page-faq .board__live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--lime-400);
}

.page-faq .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

.page-faq .dot--live {
  background: var(--lime-400);
  box-shadow: 0 0 0 4px rgba(200, 255, 61, .16);
}

.page-faq .win {
  padding: 14px 0;
  border-bottom: 1px dashed var(--line-dark);
}

.page-faq .win:last-of-type {
  border-bottom: 0;
  padding-bottom: 6px;
}

.page-faq .win__row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin-bottom: 9px;
}

.page-faq .win__time {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: .04em;
  color: #FFFFFF;
}

.page-faq .win__label {
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(245, 246, 242, .62);
}

.page-faq .win__state {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--teal-400);
}

.page-faq .win__state--live {
  color: var(--lime-400);
}

.page-faq .win__bar {
  height: 6px;
  background: rgba(245, 246, 242, .14);
  overflow: hidden;
}

.page-faq .win__fill {
  display: block;
  height: 100%;
  width: var(--fill, 0%);
  background: linear-gradient(90deg, var(--teal-700), var(--orange-600));
}

.page-faq .win--running .win__fill {
  background: linear-gradient(90deg, var(--teal-400), var(--orange-600) 70%, var(--lime-400));
}

.page-faq .board__note {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(245, 246, 242, .5);
}

/* ---------- 信息图 ---------- */
.page-faq .faq-visual {
  margin: 0 auto;
  padding: 22px 20px 0;
}

.page-faq .faq-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 700;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  background: linear-gradient(160deg, var(--ink-800), var(--teal-700));
}

.page-faq .faq-visual figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(32, 48, 60, .55);
}

/* ---------- 问答主区 ---------- */
.page-faq .faq-main {
  padding: 38px 0 44px;
}

.page-faq .faq-head {
  margin-bottom: 22px;
}

.page-faq .faq-head .eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--orange-600);
}

.page-faq .faq-head .section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.4vw, 32px);
  letter-spacing: .04em;
  line-height: 1.25;
}

.page-faq .faq-head .section__note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(32, 48, 60, .7);
}

.page-faq .faq-layout {
  display: grid;
  gap: 22px;
}

/* 场景索引 */
.page-faq .faq-index {
  border: 1px solid var(--line);
  border-top: 3px solid var(--teal-700);
  background: rgba(255, 255, 255, .7);
  padding: 14px 14px 12px;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: rgba(32, 48, 60, .55);
}

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

.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 8px;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
  color: var(--ink-text);
  text-decoration: none;
  transition: color .18s var(--ease), background-color .18s var(--ease);
}

.page-faq .faq-index__list li:last-child a {
  border-bottom: 0;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--orange-600);
  background: rgba(255, 106, 43, .07);
}

.page-faq .idx__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--teal-700);
}

.page-faq .faq-index__foot {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: rgba(32, 48, 60, .6);
}

.page-faq .faq-index__foot p {
  margin: 0;
}

.page-faq .faq-index__clock {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ink-900);
  margin-bottom: 4px !important;
}

/* 筛选 */
.page-faq .faq-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-faq .fchip {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-text);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .04em;
  padding: 7px 13px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .fchip:hover {
  border-color: var(--orange-600);
  color: var(--orange-600);
}

.page-faq .fchip[aria-pressed="true"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: #F5F6F2;
}

.page-faq .fchip:focus-visible {
  outline: 2px solid var(--teal-400);
  outline-offset: 2px;
}

/* 分组 */
.page-faq .qa-group {
  margin-bottom: 28px;
  scroll-margin-top: 82px;
}

.page-faq .qa-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding-bottom: 9px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .qa-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange-600);
}

.page-faq .qa-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .02em;
}

.page-faq .qa-group__note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(32, 48, 60, .48);
}

/* 问答条目 */
.page-faq .qa {
  border: 1px solid var(--line);
  background: #FFFFFF;
  border-radius: var(--radius);
  margin-bottom: 8px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .qa[open] {
  border-color: var(--orange-600);
  box-shadow: 0 10px 22px -18px rgba(11, 27, 43, .8);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
}

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

.page-faq .qa[open] summary {
  border-bottom: 1px dashed var(--line);
  color: var(--ink-900);
}

.page-faq .qa__num {
  flex: none;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--teal-700);
}

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

.page-faq .qa__sign {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 4px;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--teal-700);
  transition: transform .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .qa__sign::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.page-faq .qa__sign::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.page-faq .qa[open] .qa__sign::after {
  transform: scaleY(0);
}

.page-faq .qa[open] .qa__sign::before {
  background: var(--orange-600);
}

.page-faq .qa__body {
  padding: 10px 16px 14px 38px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(32, 48, 60, .84);
}

.page-faq .qa__body p {
  margin: 0 0 8px;
}

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

.page-faq .faq-link {
  color: var(--teal-700);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--teal-400);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--orange-600);
  text-decoration-color: var(--orange-600);
}

.page-faq .qa-empty {
  padding: 18px 16px;
  border: 1px dashed var(--line-strong);
  font-size: 14px;
  color: rgba(32, 48, 60, .6);
}

.page-faq .qa-group:not(:has([data-filter-item]:not([hidden]):not(.is-filtered-out))) {
  display: none;
}

/* ---------- 三步排查 ---------- */
.page-faq .faq-steps-section {
  background:
    repeating-linear-gradient(0deg, rgba(31, 191, 208, .06) 0 1px, transparent 1px 56px),
    linear-gradient(150deg, #0B1B2B, #12314A 70%, #0B1B2B);
  color: #F5F6F2;
  padding: 40px 0 42px;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.page-faq .faq-steps {
  display: grid;
  gap: 26px;
  padding-left: 20px;
  padding-right: 20px;
}

.page-faq .faq-steps__copy .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--teal-400);
}

.page-faq .faq-steps__copy h2 {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 4.2vw, 30px);
  letter-spacing: .04em;
  line-height: 1.25;
  color: #FFFFFF;
}

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

.page-faq .step {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 20px;
}

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

.page-faq .step::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 36px;
  bottom: 2px;
  width: 1px;
  border-left: 1px dashed var(--line-dark-strong);
}

.page-faq .step:last-child::before {
  display: none;
}

.page-faq .step__num {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-dark-strong);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal-400);
  background: rgba(11, 27, 43, .7);
}

.page-faq .step__title {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .02em;
  color: #FFFFFF;
}

.page-faq .step__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(245, 246, 242, .7);
}

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

.page-faq .faq-steps__fig img {
  display: block;
  width: 100%;
  max-width: 460px;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line-dark-strong);
  background: linear-gradient(150deg, var(--ink-800), var(--teal-700));
}

.page-faq .faq-steps__fig figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: rgba(245, 246, 242, .5);
}

/* ---------- 联系通道 ---------- */
.page-faq .faq-channels {
  padding: 44px 0 56px;
}

.page-faq .channel-list {
  border-top: 1px solid var(--line-strong);
}

.page-faq .channel {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .channel__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--teal-700);
}

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

.page-faq .channel__val {
  margin: 0 0 5px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--ink-900);
  word-break: break-word;
}

.page-faq .channel__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(32, 48, 60, .72);
}

.page-faq .channel__go {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--orange-600);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 43, .45);
  padding-bottom: 2px;
}

.page-faq .channel__go:hover,
.page-faq .channel__go:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--ink-900);
}

.page-faq .channel-foot {
  margin-top: 22px;
  padding-left: 12px;
  border-left: 2px solid var(--orange-600);
  font-size: 13px;
  line-height: 1.8;
  color: rgba(32, 48, 60, .7);
}

.page-faq .channel-foot p {
  margin: 0 0 6px;
}

.page-faq .channel-foot p:last-child {
  margin-bottom: 0;
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: 34px;
    align-items: start;
    padding: 52px 0 56px;
  }

  .page-faq .faq-hero .lead {
    font-size: 17px;
  }

  .page-faq .faq-visual {
    margin-top: -30px;
    position: relative;
    z-index: 2;
  }

  .page-faq .faq-visual img {
    box-shadow: 0 26px 50px -34px rgba(11, 27, 43, .9);
  }

  .page-faq .faq-index__list a {
    font-size: 13.5px;
  }

  .page-faq .qa summary {
    padding: 13px 16px;
    font-size: 15.5px;
  }

  .page-faq .qa__body {
    padding: 12px 50px 16px 42px;
  }

  .page-faq .channel {
    grid-template-columns: 138px minmax(0, 1fr) 150px;
    align-items: center;
    gap: 20px;
  }

  .page-faq .channel__go {
    justify-self: end;
    text-align: right;
  }

  .page-faq .faq-steps {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: 34px;
  }

  .page-faq .faq-steps__fig {
    justify-self: end;
    width: 100%;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-faq .breadcrumbs {
    padding: 18px 24px 14px;
  }

  .page-faq .faq-hero__inner {
    gap: 48px;
    padding: 64px 0 68px;
  }

  .page-faq .faq-hero__board {
    padding: 22px 22px 18px;
  }

  .page-faq .faq-main {
    padding: 52px 0 58px;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 38px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 20px;
  }

  .page-faq .qa-group__head {
    flex-wrap: nowrap;
  }

  .page-faq .qa-group__note {
    margin-left: auto;
  }

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

  .page-faq .faq-steps {
    padding-left: 24px;
    padding-right: 24px;
  }

  .page-faq .faq-channels {
    padding: 56px 0 68px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after,
  .page-faq .fchip,
  .page-faq .faq-index__list a {
    transition: none;
  }
}

.page-faq {
  --fill: currentColor;
}