.page-faq {
  --faq-index-w: 260px;
  --faq-panel-gap: 20px;
  overflow-x: clip;
  background: var(--c-black);
  color: var(--c-white);
}

/* ===== 页首 ===== */
.page-faq .faq-hero {
  position: relative;
  padding: 40px 0 8px;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(247, 181, 0, 0.14), transparent 68%);
  pointer-events: none;
}
.page-faq .faq-hero .breadcrumb {
  margin-bottom: 32px;
}
.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  padding-bottom: 40px;
}
.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  overflow: hidden;
}
.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-gray);
}

/* ===== 快速定位 ===== */
.page-faq .faq-query-bar {
  position: relative;
  z-index: 2;
  margin-bottom: 40px;
}
.page-faq .faq-query-bar__inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 16px;
  padding: 14px 16px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-yellow);
}
.page-faq .faq-query-bar__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-yellow);
}
.page-faq .faq-query-bar__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.page-faq .faq-query-bar__tags .badge {
  padding: 6px 12px;
  font-size: 13px;
  text-decoration: none;
}

/* ===== 控制台主体 ===== */
.page-faq .faq-console {
  position: relative;
  padding: 40px 0 64px;
}
.page-faq .faq-console::before {
  content: "";
  position: absolute;
  top: 60px;
  bottom: 60px;
  left: 0;
  right: 0;
  pointer-events: none;
  background:
    radial-gradient(560px 240px at 88% 18%, rgba(31, 128, 255, 0.08), transparent 62%),
    radial-gradient(460px 220px at 8% 88%, rgba(232, 54, 45, 0.08), transparent 62%);
}
.page-faq .faq-console .container {
  position: relative;
  z-index: 1;
}
.page-faq .faq-console__layout {
  display: grid;
  gap: 24px;
  align-items: start;
}

/* 左侧索引 */
.page-faq .faq-index {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: 0 12px 12px 0;
  padding: 20px 16px;
}
.page-faq .faq-index__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--c-line);
}
.page-faq .faq-index__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-yellow);
}
.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-gray);
}
.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}
.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  color: var(--c-gray);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.page-faq .faq-index__link:hover {
  color: var(--c-white);
  background: rgba(255, 255, 255, 0.04);
  border-left-color: var(--c-yellow);
}
.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
}
.page-faq .faq-index__link--yellow .faq-index__num {
  color: var(--c-yellow);
}
.page-faq .faq-index__link--blue .faq-index__num {
  color: var(--c-blue);
}
.page-faq .faq-index__link--red .faq-index__num {
  color: var(--c-red);
}
.page-faq .faq-index__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-gray);
}
.page-faq .faq-index__status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-yellow);
  box-shadow: 0 0 0 3px rgba(247, 181, 0, 0.15);
}

/* 右侧连续面板画布 */
.page-faq .faq-console__body {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
}
.page-faq .faq-panel {
  box-sizing: border-box;
  border: 0;
  border-left: 4px solid transparent;
  background: transparent;
  padding: 28px 20px 24px;
}
.page-faq .faq-panel + .faq-panel {
  border-top: 1px solid var(--c-line);
}
.page-faq .faq-panel--yellow {
  border-left-color: var(--c-yellow);
  background: linear-gradient(180deg, rgba(247, 181, 0, 0.06), rgba(247, 181, 0, 0) 160px);
}
.page-faq .faq-panel--blue {
  border-left-color: var(--c-blue);
  background: linear-gradient(180deg, rgba(31, 128, 255, 0.06), rgba(31, 128, 255, 0) 160px);
}
.page-faq .faq-panel--red {
  border-left-color: var(--c-red);
  background: linear-gradient(180deg, rgba(232, 54, 45, 0.06), rgba(232, 54, 45, 0) 160px);
}
.page-faq .faq-panel__header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--c-line);
}
.page-faq .faq-panel__num {
  flex-shrink: 0;
  min-width: 42px;
  padding: 8px 10px;
  text-align: center;
  border: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
}
.page-faq .faq-panel--yellow .faq-panel__num {
  color: var(--c-yellow);
  border-color: rgba(247, 181, 0, 0.4);
}
.page-faq .faq-panel--blue .faq-panel__num {
  color: var(--c-blue);
  border-color: rgba(31, 128, 255, 0.4);
}
.page-faq .faq-panel--red .faq-panel__num {
  color: var(--c-red);
  border-color: rgba(232, 54, 45, 0.4);
}
.page-faq .faq-panel__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-gray);
}
.page-faq .faq-panel__header h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 26px;
  line-height: 1.15;
  color: var(--c-white);
}
.page-faq .faq-panel__desc {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--c-gray);
}
.page-faq .faq-panel__figure {
  margin: 0 0 16px;
  border: 1px solid var(--c-line);
  background: var(--c-black);
  overflow: hidden;
}
.page-faq .faq-panel__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-faq .faq-panel__figure figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-gray);
}

/* 手风琴 */
.page-faq .faq-accordion {
  display: grid;
  gap: 12px;
}
.page-faq .faq-accordion__item {
  background: var(--c-black);
  border: 1px solid var(--c-line);
  transition: border-color var(--t-fast);
}
.page-faq .faq-panel--yellow .faq-accordion__item[open] {
  border-color: rgba(247, 181, 0, 0.5);
}
.page-faq .faq-panel--blue .faq-accordion__item[open] {
  border-color: rgba(31, 128, 255, 0.5);
}
.page-faq .faq-panel--red .faq-accordion__item[open] {
  border-color: rgba(232, 54, 45, 0.5);
}
.page-faq .faq-accordion__item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  font-family: var(--font-head);
  font-size: 15px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--c-white);
  transition: color var(--t-fast);
}
.page-faq .faq-accordion__item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-accordion__item summary:hover {
  color: var(--c-yellow);
}
.page-faq .faq-panel--blue .faq-accordion__item summary:hover {
  color: var(--c-blue);
}
.page-faq .faq-panel--red .faq-accordion__item summary:hover {
  color: var(--c-red);
}
.page-faq .faq-accordion__item summary::after {
  content: "+";
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-yellow);
  transition: color var(--t-fast);
}
.page-faq .faq-panel--blue .faq-accordion__item summary::after {
  color: var(--c-blue);
}
.page-faq .faq-panel--red .faq-accordion__item summary::after {
  color: var(--c-red);
}
.page-faq .faq-accordion__item[open] summary {
  color: var(--c-yellow);
}
.page-faq .faq-panel--blue .faq-accordion__item[open] summary {
  color: var(--c-blue);
}
.page-faq .faq-panel--red .faq-accordion__item[open] summary {
  color: var(--c-red);
}
.page-faq .faq-accordion__item[open] summary::after {
  content: "−";
}
.page-faq .faq-accordion__item summary .badge {
  margin-left: auto;
  flex-shrink: 0;
}
.page-faq .faq-accordion__item summary:has(.badge)::after {
  margin-left: 0;
}
.page-faq .faq-accordion__item summary > span:first-child {
  flex: 1;
}
.page-faq .faq-accordion__body {
  padding: 0 16px 18px;
  color: var(--c-gray);
  font-size: 14px;
  line-height: 1.8;
}
.page-faq .faq-accordion__body p {
  margin: 0;
}
.page-faq .faq-accordion__body a {
  color: var(--c-yellow);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(247, 181, 0, 0.4);
}
.page-faq .faq-panel__footer {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.page-faq .faq-panel__footer a {
  color: var(--c-gray);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  transition: color var(--t-fast);
}
.page-faq .faq-panel__footer a:hover {
  color: var(--c-white);
  text-decoration: underline;
}

/* 页脚栏目导航 */
.page-faq .faq-links {
  border-top: 1px solid var(--c-line);
  background: var(--c-black);
  padding: 40px 0 64px;
}
.page-faq .faq-links__heading {
  margin-bottom: 24px;
}
.page-faq .faq-links__heading h2 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 22px;
  color: var(--c-white);
}
.page-faq .faq-links__heading p {
  margin: 0;
  font-size: 14px;
  color: var(--c-gray);
}
.page-faq .faq-links__grid {
  display: grid;
  gap: 16px;
}
.page-faq .faq-links__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  padding: 20px 18px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-line);
  color: var(--c-white);
  text-decoration: none;
  transition: border-color var(--t-base), transform var(--t-base);
}
.page-faq .faq-links__card::after {
  content: "→";
  position: absolute;
  right: 16px;
  bottom: 16px;
  font-family: var(--font-mono);
  font-size: 16px;
}
.page-faq .faq-links__card:hover {
  transform: translateY(-2px);
  border-color: var(--c-yellow);
}
.page-faq .faq-links__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.page-faq .faq-links__card strong {
  font-size: 16px;
  font-weight: 700;
}
.page-faq .faq-links__card small {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-gray);
}
.page-faq .faq-links__card--home {
  border-left-color: var(--c-yellow);
}
.page-faq .faq-links__card--home .faq-links__tag,
.page-faq .faq-links__card--home::after {
  color: var(--c-yellow);
}
.page-faq .faq-links__card--platform {
  border-left-color: var(--c-blue);
}
.page-faq .faq-links__card--platform .faq-links__tag,
.page-faq .faq-links__card--platform::after {
  color: var(--c-blue);
}
.page-faq .faq-links__card--updates {
  border-left-color: var(--c-red);
}
.page-faq .faq-links__card--updates .faq-links__tag,
.page-faq .faq-links__card--updates::after {
  color: var(--c-red);
}
.page-faq .faq-links__card--connect {
  border-left-color: var(--c-yellow);
}
.page-faq .faq-links__card--connect .faq-links__tag,
.page-faq .faq-links__card--connect::after {
  color: var(--c-yellow);
}
.page-faq .faq-links__card--platform:hover {
  border-color: var(--c-blue);
}
.page-faq .faq-links__card--updates:hover {
  border-color: var(--c-red);
}
.page-faq .faq-links__card--home:hover,
.page-faq .faq-links__card--connect:hover {
  border-color: var(--c-yellow);
}

/* 响应式 */
@media (min-width: 768px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1fr 1.1fr;
    align-items: center;
    gap: 32px;
  }
  .page-faq .faq-query-bar__inner {
    padding: 16px 20px;
  }
  .page-faq .faq-panel {
    padding: 32px;
  }
  .page-faq .faq-links__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .page-faq .faq-console__layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 28px;
  }
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
  .page-faq .faq-links__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}