.page-faq {
  --faq-rail: 250px;
  --faq-line: rgba(25, 247, 193, 0.22);
  --faq-line-soft: rgba(142, 166, 184, 0.22);
  color: var(--paper);
  font-family: var(--font-body);
}

/* 顶部信息条 */
.page-faq .faq-top {
  border-bottom: 1px solid var(--faq-line-soft);
  background: linear-gradient(90deg, rgba(11, 39, 64, 0.92), rgba(6, 24, 38, 0));
}

.page-faq .faq-top__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.page-faq .faq-top__note {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--haze);
  word-break: break-word;
}

/* 首屏 */
.page-faq .faq-hero {
  padding-top: clamp(2rem, 6vw, 4.25rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(25, 247, 193, 0.1), transparent 62%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 2.25rem;
}

.page-faq .faq-hero h1 {
  margin: 0.9rem 0 0;
  max-width: 14em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__intro {
  margin: 1.1rem 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--haze);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
  background: var(--faq-line-soft);
  border: 1px solid var(--faq-line-soft);
}

.page-faq .faq-hero__stat {
  padding: 0.85rem 0.9rem 0.95rem;
  background: rgba(11, 39, 64, 0.78);
}

.page-faq .faq-hero__num {
  display: block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(19px, 2.8vw, 26px);
  line-height: 1.1;
  color: var(--signal);
}

.page-faq .faq-hero__cap {
  display: block;
  margin-top: 0.3rem;
  font-size: 12px;
  line-height: 1.5;
  color: var(--haze);
}

/* 检索控制台 */
.page-faq .faq-console {
  padding: 1.35rem 1.25rem 1.25rem;
  background: var(--steel);
  border-top: 2px solid var(--signal);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  box-shadow: 0 30px 70px -50px rgba(25, 247, 193, 0.9);
}

.page-faq .faq-console__label {
  margin: 0 0 0.7rem;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ice);
}

.page-faq .faq-console__field {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.8rem 0.85rem;
  border: 1px dashed rgba(157, 255, 240, 0.45);
  background: rgba(6, 24, 38, 0.65);
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--ice);
}

.page-faq .faq-console__icon {
  position: relative;
  flex: 0 0 auto;
  width: 13px;
  height: 13px;
  border: 2px solid var(--signal);
  border-radius: 50%;
}

.page-faq .faq-console__icon::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 7px;
  height: 2px;
  background: var(--signal);
  transform: rotate(45deg);
}

.page-faq .faq-console__hint {
  margin: 0.9rem 0 0;
  font-size: 12px;
  color: var(--haze);
}

.page-faq .faq-console__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.55rem;
}

.page-faq .faq-console .chip {
  padding: 0.3rem 0.65rem;
  border: 1px solid rgba(157, 255, 240, 0.35);
  border-radius: 999px;
  background: transparent;
  color: var(--ice);
  font-family: var(--font-data);
  font-size: 12px;
  cursor: pointer;
  transition: background var(--dur), color var(--dur), border-color var(--dur);
}

.page-faq .faq-console .chip:hover,
.page-faq .faq-console .chip:focus-visible {
  border-color: var(--signal);
  color: var(--paper);
  outline: none;
}

.page-faq .faq-console .chip[aria-pressed="true"] {
  background: var(--warn);
  border-color: var(--warn);
  color: var(--ink);
}

.page-faq .faq-console__go {
  width: 100%;
  justify-content: center;
  margin-top: 1.05rem;
}

.page-faq .faq-console__foot {
  margin: 0.75rem 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--haze);
}

.page-faq .faq-console__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  margin: 0.9rem 0 0;
  padding: 0.8rem 0 0;
  list-style: none;
  border-top: 1px solid rgba(142, 166, 184, 0.28);
}

.page-faq .faq-console__links a {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur), color var(--dur);
}

.page-faq .faq-console__links a:hover,
.page-faq .faq-console__links a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* 主体双栏 */
.page-faq .faq-layout {
  display: grid;
  gap: 2rem;
  padding-top: clamp(2rem, 5vw, 3.5rem);
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

.page-faq .faq-index {
  min-width: 0;
  padding-top: 1rem;
  border-top: 2px solid var(--signal);
}

.page-faq .faq-index__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--haze);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 0.45rem;
  margin: 0;
  padding: 0 0 0.5rem;
  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: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--faq-line-soft);
  color: var(--paper);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color var(--dur), background var(--dur), color var(--dur);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--signal);
  background: rgba(25, 247, 193, 0.08);
  color: var(--ice);
  outline: none;
}

.page-faq .faq-index__no {
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--signal);
}

.page-faq .faq-index__foot {
  margin: 0.9rem 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--haze);
}

.page-faq .faq-index__foot a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-index__foot a:hover,
.page-faq .faq-index__foot a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

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

/* 章节 */
.page-faq .faq-topic + .faq-topic {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-top: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-topic__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.page-faq .faq-topic__no {
  flex: 0 0 auto;
  padding: 0.15rem 0.45rem;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .faq-topic__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-topic__lead {
  margin: 0.85rem 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--haze);
}

/* 步骤条 */
.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 1px;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  background: var(--faq-line-soft);
  border: 1px solid var(--faq-line-soft);
}

.page-faq .faq-steps__item {
  padding: 1rem 1.1rem 1.15rem;
  background: var(--ink-2);
}

.page-faq .faq-steps__item::before {
  counter-increment: faqstep;
  content: "0" counter(faqstep);
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--signal);
}

.page-faq .faq-steps__title {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-steps__text {
  display: block;
  margin-top: 0.35rem;
  font-size: 13px;
  line-height: 1.75;
  color: var(--haze);
}

/* 路径条 */
.page-faq .faq-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 1.3rem 0 0;
  padding: 0;
  font-family: var(--font-data);
  font-size: 12px;
}

.page-faq .faq-path__node {
  padding: 0.28rem 0.55rem;
  border: 1px solid var(--faq-line);
  background: rgba(11, 39, 64, 0.6);
  color: var(--ice);
  white-space: nowrap;
}

.page-faq .faq-path__arrow {
  color: var(--signal);
}

/* 插图 */
.page-faq .faq-figure {
  position: relative;
  margin: 1.6rem 0 0;
  overflow: hidden;
  border: 1px solid var(--faq-line-soft);
  background: var(--ink-2);
}

.page-faq .faq-figure::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, rgba(25, 247, 193, 0.1) 0 1px, transparent 1px 14px);
  pointer-events: none;
  mix-blend-mode: screen;
}

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

.page-faq .faq-figure__cap {
  position: relative;
  padding: 0.7rem 0.9rem;
  border-top: 1px solid var(--faq-line-soft);
  background: rgba(6, 24, 38, 0.7);
  font-family: var(--font-data);
  font-size: 12px;
  line-height: 1.6;
  color: var(--haze);
}

/* 问答手风琴 */
.page-faq .faq-qs {
  margin-top: 1.5rem;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--faq-line-soft);
  transition: background var(--dur);
}

.page-faq .faq-q[open] {
  background: linear-gradient(90deg, rgba(25, 247, 193, 0.08), transparent 72%);
}

.page-faq .faq-q__summary {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1.05rem 0.25rem 1.05rem 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q__summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 18px;
  line-height: 1.2;
  color: var(--signal);
  transition: transform var(--dur);
}

.page-faq .faq-q[open] .faq-q__summary::after {
  transform: rotate(45deg);
}

.page-faq .faq-q__h {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  transition: color var(--dur);
}

.page-faq .faq-q__summary:hover .faq-q__h,
.page-faq .faq-q__summary:focus-visible .faq-q__h {
  color: var(--ice);
}

.page-faq .faq-q__summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.page-faq .faq-q__body {
  padding: 0 0 1.2rem;
  font-size: 15px;
  line-height: 1.85;
  color: var(--haze);
}

.page-faq .faq-q__body p {
  margin: 0;
  max-width: 68ch;
}

.page-faq .faq-q__body p + p {
  margin-top: 0.7rem;
}

.page-faq .faq-q__body a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-line);
  transition: color var(--dur), border-color var(--dur);
}

.page-faq .faq-q__body a:hover,
.page-faq .faq-q__body a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* 联系面板 */
.page-faq .faq-contact {
  margin-top: 1.6rem;
  padding: clamp(1.35rem, 4vw, 2.2rem);
  background:
    linear-gradient(135deg, rgba(255, 107, 53, 0.16), transparent 58%),
    var(--ink-2);
  border: 1px solid rgba(255, 107, 53, 0.35);
  border-left: 4px solid var(--lava);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 1.1rem;
}

.page-faq .faq-contact__label {
  display: block;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lava);
}

.page-faq .faq-contact__value {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-data);
  font-size: clamp(14px, 2.1vw, 18px);
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact__value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 53, 0.55);
  transition: color var(--dur), border-color var(--dur);
}

.page-faq .faq-contact__value a:hover,
.page-faq .faq-contact__value a:focus-visible {
  color: var(--lava);
  border-bottom-color: var(--lava);
}

.page-faq .faq-contact__note {
  margin: 1.15rem 0 0;
  padding-top: 0.95rem;
  border-top: 1px solid rgba(255, 107, 53, 0.22);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--haze);
}

.page-faq .faq-contact__note a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-line);
}

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

/* 断点 */
@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.35rem 1.5rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 372px);
    gap: 3.5rem;
    align-items: start;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 84px;
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-index__list > li + li {
    margin-top: 0.15rem;
  }

  .page-faq .faq-index__link {
    padding: 0.5rem 0 0.5rem 0.85rem;
    border: 0;
    border-left: 2px solid transparent;
    white-space: normal;
    line-height: 1.5;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: rgba(25, 247, 193, 0.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q,
  .page-faq .faq-q__summary::after,
  .page-faq .faq-console .chip,
  .page-faq .faq-index__link {
    transition: none;
  }
}