.page-faq {
  display: block;
  overflow-x: clip;
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--smoke);
}

.page-faq .breadcrumb a {
  color: var(--smoke);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-faq .qa-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(28px, 5vw, 64px) 0 clamp(32px, 5vw, 60px);
  overflow: hidden;
}

.page-faq .qa-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 130%;
  z-index: -1;
  background:
    linear-gradient(118deg, rgba(230, 57, 70, 0.20) 0%, rgba(230, 57, 70, 0) 46%),
    linear-gradient(-36deg, rgba(244, 185, 66, 0.12) 0%, rgba(244, 185, 66, 0) 34%);
  clip-path: polygon(0 0, 100% 0, 100% 62%, 0 100%);
}

.page-faq .qa-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(520px, 62vw);
  height: 1px;
  background: linear-gradient(90deg, var(--flame), rgba(244, 185, 66, 0.5), transparent);
}

.page-faq .qa-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: end;
}

.page-faq .qa-hero-main h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(2rem, 7.4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--paper);
  max-width: 20ch;
}

.page-faq .qa-lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 62ch;
  color: var(--smoke);
  font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
  line-height: 1.78;
}

.page-faq .qa-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .qa-hero-panel {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line-strong);
  background: linear-gradient(158deg, rgba(230, 57, 70, 0.16) 0%, rgba(16, 24, 39, 0.94) 46%);
}

.page-faq .qa-hero-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 3px;
  background: linear-gradient(90deg, var(--flame), var(--gold));
}

.page-faq .qa-hero-panel-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .qa-hero-clock {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.75rem, 5vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .qa-hero-panel-note {
  margin: 4px 0 0;
  font-size: 0.8125rem;
  color: var(--smoke);
}

.page-faq .qa-hero-facts {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  padding-top: clamp(14px, 2vw, 18px);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
}

.page-faq .qa-hero-facts div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.page-faq .qa-hero-facts dt {
  font-size: 0.8125rem;
  color: var(--smoke);
}

.page-faq .qa-hero-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--jade);
}

/* ---------- 锚点索引 ---------- */
.page-faq .qa-index-wrap {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink-soft);
}

.page-faq .qa-index {
  display: flex;
  gap: clamp(14px, 3vw, 34px);
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .qa-index li {
  flex: 0 0 auto;
}

.page-faq .qa-index a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 2px;
  color: var(--smoke);
  font-size: 0.875rem;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
  white-space: nowrap;
}

.page-faq .qa-index a .num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--flame);
}

.page-faq .qa-index a:hover,
.page-faq .qa-index a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

/* ---------- 基础自查 ---------- */
.page-faq .qa-check .section-head h2,
.page-faq .qa-entry .section-head h2,
.page-faq .qa-compat .section-head h2,
.page-faq .qa-relogin .section-head h2,
.page-faq .qa-search .section-head h2,
.page-faq .qa-support .section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 4.2vw, 2.3rem);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 24ch;
}

.page-faq .qa-check-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.2vw, 22px);
}

.page-faq .qa-check-card {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.page-faq .qa-check-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.page-faq .qa-check-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .qa-check-card p {
  margin: 0 0 16px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--smoke);
}

.page-faq .lamp {
  display: block;
  width: 10px;
  height: 10px;
  margin-bottom: 14px;
  border-radius: 50%;
}

.page-faq .lamp-ok {
  background: var(--jade);
  box-shadow: 0 0 0 4px rgba(61, 214, 196, 0.16);
}

.page-faq .lamp-warn {
  background: var(--alert);
  box-shadow: 0 0 0 4px rgba(255, 122, 69, 0.18);
}

.page-faq .qa-check-figure {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
}

.page-faq .qa-check-figure figcaption,
.page-faq .qa-flow-figure figcaption {
  margin-top: 10px;
  font-size: 0.8125rem;
  color: var(--smoke);
}

/* ---------- 入口排查 ---------- */
.page-faq .qa-entry-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 40px);
}

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

.page-faq .qa-step {
  position: relative;
}

.page-faq .qa-step-box {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-faq .qa-step-label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  align-items: start;
  padding: clamp(15px, 2.2vw, 22px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  cursor: pointer;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-faq .qa-step-label:hover {
  border-left-color: var(--flame);
}

.page-faq .qa-step-idx {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.1;
  color: var(--flame);
  letter-spacing: -0.02em;
}

.page-faq .qa-step-main {
  display: grid;
  gap: 5px;
}

.page-faq .qa-step-main strong {
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .qa-step-main span {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--smoke);
}

.page-faq .qa-step-box:checked + .qa-step-label {
  border-left-color: var(--jade);
  background: linear-gradient(90deg, rgba(61, 214, 196, 0.12) 0%, var(--panel) 58%);
}

.page-faq .qa-step-box:checked + .qa-step-label .qa-step-idx {
  color: var(--jade);
}

.page-faq .qa-step-box:focus-visible + .qa-step-label {
  outline: 2px solid var(--jade);
  outline-offset: 3px;
}

.page-faq .qa-steps-note {
  margin: 18px 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--smoke);
}

.page-faq .qa-steps-note a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 185, 66, 0.45);
}

.page-faq .qa-steps-note a:hover {
  border-bottom-color: var(--gold);
}

.page-faq .qa-flow-figure {
  margin: 0;
}

/* ---------- 兼容问题 ---------- */
.page-faq .qa-compat-list {
  border-top: 1px solid var(--line);
}

.page-faq .qa-compat-list .accordion {
  border-bottom: 1px solid var(--line);
}

.page-faq .accordion-trigger {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 18px 44px 18px 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--paper);
  font-family: inherit;
}

.page-faq .accordion-trigger::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--flame);
}

.page-faq .accordion-trigger[aria-expanded="true"]::after {
  content: "–";
  color: var(--jade);
}

.page-faq .accordion-trigger:hover .qa-dev-name {
  color: var(--gold);
}

.page-faq .qa-dev-name {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: color 0.25s var(--ease);
}

.page-faq .qa-dev-desc {
  font-size: 0.8125rem;
  color: var(--smoke);
}

.page-faq .accordion-panel {
  padding: 0 0 20px;
  color: var(--smoke);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-faq .accordion-panel p {
  margin: 0 0 10px;
}

.page-faq .qa-tips {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .qa-tips li {
  position: relative;
  padding-left: 20px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--smoke);
}

.page-faq .qa-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 1px;
  background: var(--jade);
}

/* ---------- 换设备核验 ---------- */
.page-faq .qa-relogin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.2vw, 22px);
}

.page-faq .qa-relogin-card {
  padding: clamp(20px, 3vw, 26px);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .qa-relogin-card.panel--accent {
  border-color: rgba(61, 214, 196, 0.36);
  background: linear-gradient(160deg, rgba(61, 214, 196, 0.10) 0%, var(--panel) 52%);
}

.page-faq .qa-relogin-card h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--paper);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-relogin-note {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--smoke);
}

.page-faq .qa-relogin-note a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 185, 66, 0.45);
}

/* ---------- 栏目检索 ---------- */
.page-faq .qa-search-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 40px);
}

.page-faq .qa-suggest {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .qa-suggest a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid rgba(244, 185, 66, 0.55);
  background: var(--panel);
  text-decoration: none;
  transition: border-left-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .qa-suggest a:hover {
  border-left-color: var(--flame);
  background: rgba(230, 57, 70, 0.09);
}

.page-faq .qa-suggest-term {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .qa-suggest-target {
  font-size: 0.8125rem;
  color: var(--jade);
  white-space: nowrap;
}

.page-faq .qa-search-aside h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--gold);
}

.page-faq .qa-search-aside p {
  margin: 0 0 20px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--smoke);
}

.page-faq .qa-search-aside p:last-child {
  margin-bottom: 0;
}

/* ---------- 联系支持 ---------- */
.page-faq .qa-support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 32px);
}

.page-faq .qa-support-main {
  padding: clamp(22px, 3.2vw, 30px);
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--flame);
  background: var(--panel);
}

.page-faq .qa-support-main h3 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .qa-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .qa-checklist li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .qa-check-idx {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--flame);
}

.page-faq .qa-support-hint {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--smoke);
}

.page-faq .qa-support-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .qa-channel {
  display: grid;
  gap: 5px;
  padding: clamp(16px, 2.4vw, 20px);
  background: var(--ink-soft);
}

.page-faq .qa-channel-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .qa-channel-value {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .qa-channel-note {
  font-size: 0.8125rem;
  color: var(--smoke);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .qa-check-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .qa-support-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .qa-channel--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-faq .qa-hero-inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }

  .page-faq .qa-check-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .qa-entry-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .qa-relogin-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .qa-search-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .qa-support-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-faq .qa-support-channels {
    grid-template-columns: 1fr;
  }

  .page-faq .qa-channel--wide {
    grid-column: auto;
  }
}

@media (min-width: 1180px) {
  .page-faq .qa-hero-main h1 {
    font-size: 3.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-check-card,
  .page-faq .qa-step-label,
  .page-faq .qa-suggest a,
  .page-faq .qa-index a {
    transition: none;
  }

  .page-faq .qa-check-card:hover {
    transform: none;
  }
}