/* ===== 问题排查页 ===== */
.page-faq {
  display: block;
}

.page-faq [id] {
  scroll-margin-top: calc(var(--hdr-h) + 20px);
}

.page-faq [data-filter-item][hidden] {
  display: none !important;
}

/* --- 首屏 --- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 22px 0 18px;
  background:
    radial-gradient(130% 90% at 88% -12%, rgba(45, 242, 214, 0.13), transparent 62%),
    linear-gradient(180deg, var(--ink-900), var(--ink-900));
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: 16px;
}

.page-faq .faq-hero-grid {
  align-items: center;
  gap: 22px;
}

.page-faq .faq-hero .h1 {
  margin: 10px 0 0;
}

.page-faq .faq-lede {
  margin: 14px 0 0;
  max-width: 60ch;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--steel-300);
}

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

.page-faq .faq-hero .media-frame {
  margin: 0;
}

/* --- 关键词索引 --- */
.page-faq .faq-index-section {
  padding: 20px 0 30px;
  border-top: 1px solid rgba(51, 69, 111, 0.5);
}

.page-faq .faq-index-section .eyebrow {
  display: block;
  margin-bottom: 10px;
}

.page-faq .faq-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 2px 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .idx-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line-600);
  border-radius: var(--r-pill);
  background: rgba(45, 242, 214, 0.05);
  color: var(--white-050);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .idx-pill:hover,
.page-faq .idx-pill:focus-visible {
  border-color: var(--cyan-400);
  background: rgba(45, 242, 214, 0.12);
  transform: translateX(4px);
}

.page-faq .idx-pill .num {
  color: var(--cyan-400);
  font-size: 12px;
}

/* --- 三步自查 --- */
.page-faq .faq-quick {
  padding: 28px 0 20px;
  border-top: 1px solid rgba(51, 69, 111, 0.5);
}

.page-faq .faq-sec-head {
  max-width: 74ch;
  margin-bottom: 20px;
}

.page-faq .faq-sec-head .eyebrow {
  display: block;
}

.page-faq .faq-sec-head .h2 {
  margin: 8px 0 0;
}

.page-faq .faq-sec-sub {
  margin: 10px 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel-300);
}

.page-faq .step-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .step-card {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid rgba(51, 69, 111, 0.9);
  border-radius: var(--r-md);
  background: linear-gradient(155deg, rgba(27, 42, 82, 0.95) 0%, rgba(13, 22, 48, 0.96) 72%);
  overflow: hidden;
}

.page-faq .step-card::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan-400), rgba(45, 242, 214, 0));
}

.page-faq .step-num {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
}

.page-faq .step-card .h3 {
  margin: 10px 0 0;
  font-size: 20px;
}

.page-faq .step-card p {
  margin: 10px 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel-300);
}

.page-faq .step-card a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- 问答区 --- */
.page-faq .faq-board {
  padding: 30px 0 16px;
  border-top: 1px solid rgba(51, 69, 111, 0.5);
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 16%, var(--ink-800) 84%, var(--ink-900) 100%);
}

.page-faq .faq-board .filter-bar {
  margin: 0 0 22px;
}

.page-faq .faq-group {
  margin-bottom: 32px;
}

.page-faq .faq-group-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(51, 69, 111, 0.72);
}

.page-faq .faq-group-head .h3 {
  margin: 0;
  font-size: 21px;
}

.page-faq .faq-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-400);
  animation: faq-dot-pulse 1.6s var(--ease) infinite;
}

.page-faq .faq-dot--warm {
  background: var(--orange-500);
}

@keyframes faq-dot-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.38;
    transform: scale(0.82);
  }
}

.page-faq .faq-freq {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--violet-400);
  border: 1px solid rgba(107, 122, 168, 0.5);
  border-radius: var(--r-pill);
  padding: 3px 10px;
}

.page-faq .faq-freq--hot {
  color: var(--orange-500);
  border-color: rgba(255, 107, 31, 0.55);
  background: rgba(255, 107, 31, 0.08);
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  position: relative;
  border: 1px solid rgba(51, 69, 111, 0.85);
  border-radius: var(--r-md);
  background: linear-gradient(150deg, rgba(27, 42, 82, 0.62), rgba(13, 22, 48, 0.84));
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  overflow: hidden;
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan-400), rgba(45, 242, 214, 0));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.6s var(--ease);
  pointer-events: none;
}

.page-faq .faq-item:hover {
  border-color: rgba(45, 242, 214, 0.42);
}

.page-faq .faq-item[open] {
  border-color: rgba(45, 242, 214, 0.6);
  box-shadow: 0 0 0 1px rgba(45, 242, 214, 0.12), 0 20px 42px -30px rgba(45, 242, 214, 0.6);
}

.page-faq .faq-item[open]::before {
  transform: scaleX(1);
}

.page-faq .faq-item:target {
  border-color: var(--cyan-400);
  box-shadow: 0 0 0 1px rgba(45, 242, 214, 0.32), 0 22px 46px -30px rgba(45, 242, 214, 0.7);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 16px 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--white-050);
}

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

.page-faq .faq-q::marker {
  content: "";
}

.page-faq .faq-mark {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-left: auto;
  margin-top: 1px;
  border: 1px solid rgba(45, 242, 214, 0.6);
  border-radius: 50%;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--cyan-400);
  transform: translate(-50%, -50%);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .faq-mark::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .faq-mark::after {
  width: 1.5px;
  height: 9px;
}

.page-faq .faq-item[open] .faq-mark {
  border-color: var(--cyan-400);
  background: rgba(45, 242, 214, 0.12);
}

.page-faq .faq-item[open] .faq-mark::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0.2);
}

.page-faq .faq-a {
  margin: 0 18px;
  padding: 0;
}

.page-faq .faq-item[open] .faq-a {
  margin-bottom: 18px;
  padding-top: 14px;
  border-top: 1px dashed rgba(51, 69, 111, 0.9);
}

.page-faq .faq-a p {
  margin: 10px 0 0;
  max-width: 74ch;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.82;
  color: var(--steel-300);
}

.page-faq .faq-a p:first-child {
  margin-top: 0;
}

.page-faq .faq-a strong {
  color: var(--white-050);
  font-weight: 600;
}

.page-faq .faq-a a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-a a:hover {
  color: var(--white-050);
}

.page-faq .faq-group-figure {
  margin: 16px 0 0;
}

/* --- 人工支持 --- */
.page-faq .faq-support {
  padding: 34px 0 60px;
  border-top: 1px solid rgba(51, 69, 111, 0.5);
}

.page-faq .support-card {
  position: relative;
  padding: 26px 20px;
  border: 1px solid rgba(45, 242, 214, 0.28);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(45, 242, 214, 0.14), transparent 56%),
    linear-gradient(160deg, rgba(27, 42, 82, 0.95), rgba(6, 11, 24, 0.98));
  overflow: hidden;
}

.page-faq .support-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--cyan-400), rgba(45, 242, 214, 0));
}

.page-faq .support-card .h2 {
  margin: 10px 0 0;
}

.page-faq .support-card > p {
  margin: 12px 0 0;
  max-width: 70ch;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--steel-300);
}

.page-faq .support-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .support-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
}

.page-faq .sup-key {
  flex: 0 0 auto;
  min-width: 68px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--violet-400);
}

.page-faq .sup-val {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--white-050);
  word-break: break-word;
}

.page-faq .support-note {
  margin: 18px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--orange-500);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(255, 107, 31, 0.08);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel-300);
}

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

/* --- 响应式 --- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 40px 0 26px;
  }

  .page-faq .faq-hero-grid {
    gap: 36px;
  }

  .page-faq .step-rail {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-faq .faq-board {
    padding: 40px 0 24px;
  }

  .page-faq .faq-group-head .h3 {
    font-size: 24px;
  }

  .page-faq .faq-q {
    font-size: 17px;
    padding: 18px 22px;
  }

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

  .page-faq .faq-item[open] .faq-a {
    margin-bottom: 20px;
  }

  .page-faq .support-card {
    padding: 36px 34px;
  }

  .page-faq .faq-support {
    padding: 44px 0 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-dot {
    animation: none;
  }

  .page-faq .faq-item::before,
  .page-faq .idx-pill,
  .page-faq .faq-mark::before,
  .page-faq .faq-mark::after {
    transition: none;
  }
}
<<<END>>>