/* ===== 问题排查页 · 页面专属样式 ===== */
.page-faq {
  --faq-gap: clamp(20px, 3vw, 36px);
  --faq-rail-w: 190px;
  background: var(--c-canvas);
  color: var(--c-ink);
  overflow-x: hidden;
}

.page-faq .faq-hero,
.page-faq .faq-check,
.page-faq .faq-groups,
.page-faq .faq-help {
  scroll-margin-top: 132px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 4vw, 46px) 0 clamp(44px, 7vw, 88px);
  isolation: isolate;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -14%;
  width: min(680px, 80vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, rgba(242, 163, 60, 0.18), rgba(228, 113, 60, 0.07) 46%, transparent 72%);
  pointer-events: none;
  z-index: -1;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-line) 18%, var(--c-line) 82%, transparent);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  align-items: center;
}

.page-faq .faq-hero__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.page-faq .faq-hero__copy .lede {
  max-width: 40ch;
}

.page-faq .faq-hero__visual {
  margin: 0;
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  box-shadow: 0 46px 90px -58px rgba(0, 0, 0, 0.95);
}

.page-faq .faq-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.06);
}

.page-faq .faq-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(202deg, rgba(242, 163, 60, 0.24) 0%, transparent 44%),
    linear-gradient(0deg, rgba(7, 12, 20, 0.82) 0%, transparent 58%);
  pointer-events: none;
}

/* ---------- 快捷自查 ---------- */
.page-faq .faq-check {
  padding: clamp(36px, 6vw, 76px) 0 clamp(20px, 3vw, 36px);
}

.page-faq .faq-check__note {
  margin-top: 12px;
  font-size: 0.95rem;
  line-height: 1.75;
  max-width: 48ch;
}

.page-faq .faq-check__list {
  list-style: none;
  margin: clamp(22px, 3.5vw, 38px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 13px 20px;
  border-radius: var(--r-pill);
  border: 1px solid var(--c-line);
  background: linear-gradient(140deg, rgba(14, 23, 35, 0.96), rgba(27, 39, 53, 0.62));
  color: var(--c-ink);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.4;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-pill:hover,
.page-faq .faq-pill:focus-visible {
  border-color: var(--c-moss);
  transform: translateY(-2px);
  box-shadow: 0 18px 34px -26px rgba(111, 208, 140, 0.85);
}

.page-faq .faq-pill__idx {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--c-lime);
}

.page-faq .faq-pill__text {
  font-weight: 500;
}

.page-faq .faq-pill__arrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--c-clay);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-pill:hover .faq-pill__arrow {
  transform: translateY(3px);
}

/* ---------- 分组 ---------- */
.page-faq .faq-groups {
  position: relative;
  padding: clamp(22px, 3.5vw, 44px) 0 clamp(48px, 7vw, 92px);
}

.page-faq .faq-groups__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-groups__intro {
  margin-bottom: clamp(18px, 3vw, 30px);
  padding-left: clip;
}

.page-faq .qa-group {
  margin-bottom: 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: rgba(14, 23, 35, 0.74);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .qa-group[open] {
  border-color: rgba(111, 208, 140, 0.5);
  background: rgba(14, 23, 35, 0.96);
  box-shadow: 0 34px 64px -52px rgba(111, 208, 140, 0.9);
}

.page-faq .qa-group:target {
  border-color: var(--c-lime);
  box-shadow: 0 0 0 1px rgba(168, 230, 58, 0.35), 0 30px 60px -44px rgba(168, 230, 58, 0.7);
}

.page-faq .qa-group__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 14px;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.1rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

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

.page-faq .qa-group__summary:focus-visible {
  outline: 2px solid var(--c-moss);
  outline-offset: -3px;
}

.page-faq .qa-group__idx {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  transition: color var(--dur) var(--ease);
}

.page-faq .qa-group[open] .qa-group__idx {
  color: var(--c-lime);
}

.page-faq .qa-group__title {
  min-width: 0;
}

.page-faq .qa-group__count {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--c-muted);
  white-space: nowrap;
}

.page-faq .qa-group__chev {
  position: relative;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  border-radius: var(--r-pill);
  border: 1px solid var(--c-line);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .qa-group__chev::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid var(--c-muted);
  border-bottom: 1.5px solid var(--c-muted);
  transform: translate(-50%, -70%) rotate(45deg);
}

.page-faq .qa-group[open] .qa-group__chev {
  transform: rotate(180deg);
  border-color: var(--c-moss);
}

.page-faq .qa-group[open] .qa-group__chev::before {
  border-color: var(--c-moss);
}

.page-faq .qa-group__body {
  padding: 0 20px 8px;
}

.page-faq .qa-item {
  padding: 17px 0;
  border-top: 1px solid var(--c-line);
}

.page-faq .qa-item__q {
  display: flex;
  gap: 10px;
  margin: 0 0 10px;
  font-size: clamp(0.98rem, 1.8vw, 1.06rem);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-faq .qa-item__q::before {
  content: "Q";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 2.1;
  color: var(--c-moss);
}

.page-faq .qa-item__a {
  margin: 0;
  padding-left: 22px;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-faq .qa-item__a strong {
  color: var(--c-ink);
  font-weight: 600;
}

/* ---------- 分组间过渡图 ---------- */
.page-faq .faq-break {
  position: relative;
  margin: 26px 0 30px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-line);
  overflow: hidden;
  background: var(--c-panel);
}

.page-faq .faq-break img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: 0.72;
}

.page-faq .faq-break__caption {
  position: absolute;
  left: 18px;
  bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
}

/* ---------- 右侧分组定位 ---------- */
.page-faq .faq-rail {
  display: none;
}

/* ---------- 未解决通道 ---------- */
.page-faq .faq-help {
  padding: clamp(38px, 6vw, 78px) 0 clamp(56px, 8vw, 108px);
  background: linear-gradient(180deg, rgba(14, 23, 35, 0) 0%, rgba(14, 23, 35, 0.85) 40%, rgba(14, 23, 35, 0.55) 100%);
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-faq .faq-help__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.page-faq .faq-help__copy .lede {
  max-width: 38ch;
}

.page-faq .faq-help__list {
  counter-reset: help;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-help__list li {
  counter-increment: help;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: rgba(7, 12, 20, 0.66);
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--c-ink);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-help__list li:hover {
  border-color: rgba(111, 208, 140, 0.5);
  transform: translateX(3px);
}

.page-faq .faq-help__list li::before {
  content: counter(help, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 2;
  color: var(--c-lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-check__list {
    gap: 14px;
  }

  .page-faq .qa-group__summary {
    padding: 20px 26px;
  }

  .page-faq .qa-group__body {
    padding: 0 26px 10px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(34px, 5vw, 72px);
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-groups__grid {
    grid-template-columns: minmax(0, 1fr) var(--faq-rail-w);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-rail {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: sticky;
    top: 150px;
    padding-left: 20px;
    border-left: 1px solid var(--c-line);
  }

  .page-faq .faq-rail__label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-fog);
  }

  .page-faq .faq-rail__step {
    display: flex;
    gap: 10px;
    align-items: baseline;
    padding: 8px 0;
    font-size: 0.86rem;
    color: var(--c-muted);
    text-decoration: none;
    transition: color var(--dur) var(--ease);
  }

  .page-faq .faq-rail__step:hover,
  .page-faq .faq-rail__step:focus-visible {
    color: var(--c-ink);
  }

  .page-faq .faq-rail__num {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.08em;
    color: var(--c-lime);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-pill,
  .page-faq .qa-group,
  .page-faq .qa-group__chev,
  .page-faq .qa-group__idx,
  .page-faq .faq-help__list li {
    transition: none;
  }

  .page-faq .faq-pill:hover,
  .page-faq .faq-help__list li:hover {
    transform: none;
  }
}
<<<END>>>