.page-faq {
  background: var(--pitch);
  color: var(--chalk);
}

/* 面包屑与首屏 */
.page-faq .breadcrumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(245, 255, 249, 0.55);
}
.page-faq .breadcrumbs li + li::before {
  content: "/";
  color: var(--moss);
}
.page-faq .breadcrumbs a {
  color: var(--cyan);
  text-decoration: none;
}
.page-faq .breadcrumbs a:hover {
  color: var(--lime);
}

.page-faq .faq-hero {
  padding-bottom: clamp(28px, 5vw, 48px);
}
.page-faq .faq-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin: 14px 0 20px;
  max-width: 18ch;
}
.page-faq .faq-lede {
  max-width: 64ch;
  margin: 0;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: rgba(245, 255, 249, 0.82);
}

/* 本周高频状态条 */
.page-faq .faq-pulse {
  border-top: 3px solid var(--moss);
  border-bottom: 3px solid var(--moss);
  background: var(--pitch-dark);
}
.page-faq .pulse-strip {
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.page-faq .pulse-lead {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  padding: 14px 18px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.page-faq .pulse-item {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 14px 18px;
  border-right: 1px solid var(--moss);
  color: rgba(245, 255, 249, 0.8);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease;
}
.page-faq .pulse-item:hover,
.page-faq .pulse-item:focus-visible {
  background: rgba(198, 255, 0, 0.1);
  color: var(--chalk);
}
.page-faq .pulse-count {
  color: var(--lime);
  font-weight: 700;
  font-size: 15px;
}

/* 主题索引 */
.page-faq .index-intro {
  display: grid;
  gap: 26px;
  margin-bottom: clamp(26px, 4vw, 40px);
}
.page-faq .index-copy {
  max-width: 56ch;
  margin: 14px 0 0;
  line-height: 1.8;
  color: rgba(245, 255, 249, 0.75);
  font-size: 15px;
}
.page-faq .index-media,
.page-faq .service-media {
  margin: 0;
  border: 3px solid var(--moss);
  background: var(--pitch-dark);
  overflow: hidden;
}
.page-faq .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .topic-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}
.page-faq .topic-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no name"
    "no desc";
  column-gap: 14px;
  row-gap: 4px;
  padding: 16px 18px;
  border: 3px solid var(--moss);
  background: var(--pitch-dark);
  color: var(--chalk);
  text-decoration: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}
.page-faq .topic-card:hover,
.page-faq .topic-card:focus-visible {
  border-color: var(--lime);
  box-shadow: 6px 6px 0 var(--ink);
  transform: translate(-2px, -2px);
}
.page-faq .topic-no {
  grid-area: no;
  align-self: center;
  font-size: 24px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}
.page-faq .topic-card:hover .topic-no {
  color: var(--lime);
}
.page-faq .topic-name {
  grid-area: name;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
}
.page-faq .topic-desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(245, 255, 249, 0.62);
}

/* 主体：侧栏 + 问答 */
.page-faq .support-body {
  display: grid;
  gap: 34px;
}
.page-faq .faq-rail {
  display: grid;
  gap: 14px;
}
.page-faq .rail-panel {
  border: 3px solid var(--moss);
  background: var(--pitch-dark);
  padding: 16px;
}
.page-faq .rail-panel--accent {
  border-color: var(--lime);
  background: rgba(198, 255, 0, 0.06);
}
.page-faq .rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-faq .rail-panel--accent .rail-title {
  color: var(--lime);
}
.page-faq .rail-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.page-faq .rail-nav a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 6px;
  border-bottom: 1px solid rgba(42, 90, 74, 0.6);
  color: rgba(245, 255, 249, 0.85);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.16s ease, background 0.16s ease;
}
.page-faq .rail-nav a:hover,
.page-faq .rail-nav a:focus-visible {
  color: var(--lime);
  background: rgba(198, 255, 0, 0.07);
}
.page-faq .rail-no {
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.06em;
}
.page-faq .rail-clock {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: 0.02em;
}
.page-faq .rail-note {
  margin: 8px 0 12px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 255, 249, 0.7);
}
.page-faq .rail-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--lime);
  padding: 9px 14px;
  text-decoration: none;
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}
.page-faq .rail-link:hover,
.page-faq .rail-link:focus-visible {
  background: var(--orange);
}

/* 问答分组 */
.page-faq .qa-group {
  --qa-accent: var(--cyan);
  margin-bottom: clamp(30px, 4vw, 44px);
  padding-top: 18px;
  border-top: 3px solid var(--moss);
  scroll-margin-top: 90px;
}
.page-faq .qa-group--alert { --qa-accent: var(--orange); }
.page-faq .qa-group--round { --qa-accent: var(--lime); }
.page-faq .qa-group--data { --qa-accent: var(--violet); }
.page-faq .qa-group--service { --qa-accent: var(--orange); }

.page-faq .qa-group .h-sub {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.2;
  letter-spacing: 0.01em;
}
.page-faq .qa-group .h-sub::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--qa-accent);
}

.page-faq .qa-item {
  border: 3px solid var(--moss);
  border-left: 10px solid var(--qa-accent);
  background: rgba(6, 31, 24, 0.55);
  margin-bottom: 10px;
  transition: background 0.18s ease, border-color 0.18s ease;
}
.page-faq .qa-item:hover {
  border-color: var(--qa-accent);
}
.page-faq .qa-item[open] {
  background: rgba(6, 31, 24, 0.92);
}
.page-faq .qa-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--chalk);
}
.page-faq .qa-item > summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa-item > summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.1;
  color: var(--qa-accent);
}
.page-faq .qa-item[open] > summary::after {
  content: "–";
}
.page-faq .qa-body {
  padding: 0 18px 18px 18px;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(245, 255, 249, 0.8);
}
.page-faq .qa-body p {
  margin: 0 0 10px;
  max-width: 62ch;
}
.page-faq .qa-next {
  display: inline-block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
  padding-bottom: 2px;
}
.page-faq .qa-next:hover,
.page-faq .qa-next:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* 客服控制台 */
.page-faq .service-grid {
  display: grid;
  gap: 26px;
}
.page-faq .console {
  border: 3px solid var(--moss);
  background: var(--pitch-dark);
  box-shadow: var(--hard-shadow);
  padding: clamp(18px, 3vw, 30px);
}
.page-faq .console-title {
  margin: 10px 0 20px;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.25;
}
.page-faq .console-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(42, 90, 74, 0.7);
  align-items: start;
}
.page-faq .console-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  padding-top: 3px;
}
.page-faq .console-val {
  font-size: 15px;
  line-height: 1.6;
  color: var(--chalk);
  word-break: break-word;
}
.page-faq .console-val--mail {
  font-family: var(--font-mono);
  color: var(--lime);
}
.page-faq .console-row--block {
  grid-template-columns: 96px minmax(0, 1fr);
}
.page-faq .console-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}
.page-faq .console-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(245, 255, 249, 0.82);
}
.page-faq .console-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--orange);
}
.page-faq .console-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(245, 255, 249, 0.6);
}
.page-faq .service-media {
  box-shadow: var(--hard-shadow);
}

/* 延伸入口 */
.page-faq .next-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  margin-top: 22px;
}
.page-faq .next-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 3px solid var(--moss);
  background: var(--pitch-dark);
  color: var(--chalk);
  text-decoration: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}
.page-faq .next-card:hover,
.page-faq .next-card:focus-visible {
  border-color: var(--lime);
  box-shadow: 6px 6px 0 var(--ink);
  transform: translate(-2px, -2px);
}
.page-faq .next-tag {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 3px 8px;
  background: var(--lime);
  color: var(--ink);
}
.page-faq .next-tag--cyan { background: var(--cyan); }
.page-faq .next-tag--orange { background: var(--orange); }
.page-faq .next-tag--violet { background: var(--violet); }
.page-faq .next-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
}
.page-faq .next-desc {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 255, 249, 0.65);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-faq .topic-grid { grid-template-columns: repeat(2, 1fr); }
  .page-faq .next-grid { grid-template-columns: repeat(2, 1fr); }
  .page-faq .console-row,
  .page-faq .console-row--block { grid-template-columns: 110px minmax(0, 1fr); }
}

@media (min-width: 900px) {
  .page-faq .index-intro {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
  }
  .page-faq .service-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
  .page-faq .next-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 960px) {
  .page-faq .support-body {
    grid-template-columns: 262px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
  }
  .page-faq .rail-nav { grid-template-columns: 1fr; }
  .page-faq .topic-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .topic-card,
  .page-faq .next-card,
  .page-faq .qa-item,
  .page-faq .pulse-item,
  .page-faq .rail-nav a {
    transition: none;
  }
  .page-faq .topic-card:hover,
  .page-faq .next-card:hover {
    transform: none;
  }
}