.page-faq {
  --faq-sticky-top: 64px;
  --faq-shadow: 0 18px 44px rgba(3, 8, 22, 0.5);
  display: block;
  color: var(--white);
  padding: 0 0 96px;
  background:
    radial-gradient(80% 42% at 100% 0%, rgba(42, 63, 122, 0.36), transparent 62%),
    radial-gradient(70% 40% at 0% 34%, rgba(37, 230, 208, 0.08), transparent 62%);
}

.page-faq .faq-shell {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-size: 13px;
  color: var(--mist);
}
.page-faq .breadcrumb-link {
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) ease;
}
.page-faq .breadcrumb-link:hover,
.page-faq .breadcrumb-link:focus-visible {
  color: var(--cyan);
  outline: none;
}
.page-faq .crumb-sep { opacity: 0.55; }
.page-faq .crumb-current { color: var(--lava-soft); }

/* ---------- 首屏 ---------- */
.page-faq .faq-intro {
  padding: 26px 0 34px;
}
.page-faq .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}
.page-faq .faq-h1 {
  margin: 0 0 20px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(34px, 9.5vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  transform: skewX(-6deg);
  transform-origin: left top;
  background: linear-gradient(104deg, var(--white) 0%, var(--white) 56%, var(--lava-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.page-faq .lead {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 三类情况 ---------- */
.page-faq .faq-triage { margin-top: 8px; }

.page-faq .section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 19px;
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.01em;
}
.page-faq .title-mark {
  display: inline-block;
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--lava), var(--cyan));
}

.page-faq .triage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .triage-card {
  --accent: var(--lava);
  position: relative;
  display: block;
  padding: 22px 20px 20px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--ink-800), var(--ink-900));
  color: var(--white);
  text-decoration: none;
  overflow: hidden;
  transition: border-color var(--dur) ease, transform var(--dur) ease;
}
.page-faq .triage-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--accent);
}
.page-faq .triage-card--entry { --accent: var(--lava); }
.page-faq .triage-card--refresh { --accent: var(--cyan); }
.page-faq .triage-card--subscribe { --accent: var(--lava-soft); }

.page-faq .triage-card:hover,
.page-faq .triage-card:focus-visible {
  border-color: var(--line-cyan);
  transform: translateY(-2px);
  outline: none;
}

.page-faq .triage-num {
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.page-faq .triage-h {
  margin: 12px 0 8px;
  font-size: 18px;
  font-weight: 800;
  font-style: italic;
  line-height: 1.3;
}
.page-faq .triage-p {
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--mist);
}
.page-faq .triage-go {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--accent);
}

/* ---------- 吸顶分类条 ---------- */
.page-faq .faq-tabs {
  position: sticky;
  top: var(--faq-sticky-top);
  z-index: 6;
  margin: 40px -20px 0;
  padding: 10px 20px;
  background: linear-gradient(180deg, rgba(10, 22, 51, 0.97), rgba(10, 22, 51, 0.86));
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-tab-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 4px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-tab-list::-webkit-scrollbar { display: none; }

.page-faq .faq-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  white-space: nowrap;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--mist);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--dur) ease, border-color var(--dur) ease, background var(--dur) ease;
}
.page-faq .faq-tab .mono {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lava-soft);
}
.page-faq .faq-tab:hover,
.page-faq .faq-tab:focus-visible {
  color: var(--white);
  border-color: var(--line-cyan);
  background: rgba(37, 230, 208, 0.08);
  outline: none;
}

/* ---------- 分组与折叠面板 ---------- */
.page-faq .faq-group,
.page-faq .faq-help {
  scroll-margin-top: calc(var(--faq-sticky-top) + 78px);
}

.page-faq .faq-group { padding-top: 46px; }

.page-faq .group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.page-faq .group-index {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}
.page-faq .group-title {
  margin: 0;
  font-size: clamp(21px, 5.4vw, 27px);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.01em;
}
.page-faq .group-note {
  flex: 1 0 100%;
  margin: 6px 0 0;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-q {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(140deg, rgba(19, 34, 74, 0.88), rgba(10, 22, 51, 0.92));
  transition: border-color var(--dur) ease;
}
.page-faq .faq-q[open] { border-color: var(--line-cyan); }

.page-faq .faq-q > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
  transition: color var(--dur) ease;
}
.page-faq .faq-q > summary::-webkit-details-marker { display: none; }
.page-faq .faq-q > summary::marker { content: ""; }
.page-faq .faq-q > summary:hover { color: var(--cyan); }
.page-faq .faq-q > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: var(--radius-m);
}

.page-faq .q-icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border-radius: 6px;
  border: 1px solid var(--line-cyan);
  background: rgba(37, 230, 208, 0.08);
}
.page-faq .q-icon::before,
.page-faq .q-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--cyan);
  border-radius: 1px;
  transform: translate(-50%, -50%);
}
.page-faq .q-icon::before { width: 9px; height: 1.5px; }
.page-faq .q-icon::after {
  width: 1.5px;
  height: 9px;
  transition: transform var(--dur) ease;
}
.page-faq .faq-q[open] .q-icon::after { transform: translate(-50%, -50%) scaleY(0); }

.page-faq .faq-a {
  padding: 0 18px 18px 48px;
  font-size: 14.5px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .faq-a p { margin: 0 0 10px; }
.page-faq .faq-a p:last-child { margin-bottom: 0; }
.page-faq .faq-a strong {
  color: var(--lava-soft);
  font-family: var(--font-num);
  font-weight: 700;
}

/* ---------- 编号步骤路径 ---------- */
.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.page-faq .faq-step {
  counter-increment: faqstep;
  position: relative;
  padding-left: 34px;
  line-height: 1.72;
  color: var(--mist);
}
.page-faq .faq-step::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--lava);
  background: rgba(255, 106, 31, 0.12);
  font-family: var(--font-num);
  font-size: 10.5px;
  color: var(--lava-soft);
}
.page-faq .faq-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 11px;
  top: 26px;
  bottom: -14px;
  width: 1px;
  background: linear-gradient(180deg, var(--line-cyan), rgba(37, 230, 208, 0));
}

/* ---------- 配图 ---------- */
.page-faq .faq-media {
  margin: 22px 0 0;
  padding: 0;
}
.page-faq .faq-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  object-fit: cover;
}
.page-faq .faq-media--square { max-width: 420px; }
.page-faq .faq-media figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 仍未解决 ---------- */
.page-faq .faq-help {
  margin-top: 56px;
  padding: 28px 22px 26px;
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(255, 106, 31, 0.16), transparent 58%),
    radial-gradient(120% 120% at 100% 100%, rgba(37, 230, 208, 0.14), transparent 58%),
    linear-gradient(150deg, var(--ink-800), var(--ink-900));
}
.page-faq .help-index {
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}
.page-faq .help-title {
  margin: 12px 0 12px;
  font-size: clamp(22px, 5.6vw, 28px);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.01em;
}
.page-faq .help-lead {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .help-steps { margin-top: 18px; }

.page-faq .help-channels {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-faq .help-channel {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 14px;
  border-radius: var(--radius-s);
  border: 1px solid var(--line);
  background: rgba(10, 22, 51, 0.62);
}
.page-faq .help-key {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}
.page-faq .help-val {
  font-family: var(--font-num);
  font-size: 15px;
  color: var(--cyan);
  word-break: break-all;
}
.page-faq .help-meta {
  font-size: 12.5px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .help-note {
  margin: 20px 0 0;
  font-size: 13.5px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .help-note a {
  color: var(--lava-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 163, 107, 0.4);
  transition: color var(--dur) ease, border-color var(--dur) ease;
}
.page-faq .help-note a:hover,
.page-faq .help-note a:focus-visible {
  color: var(--cyan);
  border-color: var(--line-cyan);
  outline: none;
}

/* ---------- 窄屏 ---------- */
@media (max-width: 640px) {
  .page-faq .faq-h1 {
    transform: none;
    font-size: clamp(30px, 9vw, 42px);
  }
  .page-faq .faq-a { padding-left: 18px; }
  .page-faq .faq-tabs {
    margin-left: -20px;
    margin-right: -20px;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-intro { padding: 40px 0 44px; }
  .page-faq .faq-tabs { margin-top: 48px; }
  .page-faq .triage-grid { grid-template-columns: repeat(3, 1fr); }
  .page-faq .help-channels { grid-template-columns: repeat(2, 1fr); }
  .page-faq .faq-help { padding: 36px 34px 32px; }
  .page-faq .faq-group { padding-top: 56px; }
  .page-faq .faq-media--square { max-width: 460px; }
}

@media (min-width: 1024px) {
  .page-faq .faq-intro {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }
  .page-faq .faq-media--square { margin-left: auto; }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .triage-card,
  .page-faq .faq-q,
  .page-faq .q-icon::after,
  .page-faq .faq-tab,
  .page-faq .help-note a {
    transition: none;
  }
  .page-faq .triage-card:hover { transform: none; }
}