.page-faq {
  --faq-line: rgba(102, 242, 255, 0.22);
  --faq-line-strong: rgba(0, 229, 255, 0.6);
  --faq-panel: linear-gradient(158deg, rgba(14, 42, 90, 0.9), rgba(7, 26, 58, 0.96));
  display: block;
}

.page-faq .breadcrumb {
  margin-bottom: 1.5rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 1.5rem;
  overflow: hidden;
  padding: clamp(1.6rem, 4vw, 2.75rem) clamp(1.15rem, 3vw, 2.25rem) clamp(1.9rem, 4vw, 3rem);
  border: 2px solid var(--faq-line-strong);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(0, 229, 255, 0.16), transparent 58%),
    linear-gradient(160deg, rgba(14, 42, 90, 0.95), rgba(4, 18, 42, 0.98));
  box-shadow: var(--hard-shadow);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -12%;
  width: 48%;
  height: 180%;
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.12), rgba(75, 46, 131, 0.2));
  transform: rotate(14deg);
  pointer-events: none;
}

.page-faq .faq-hero__type {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 0.85rem;
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.page-faq .faq-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 6vw, 3.3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 48ch;
  color: var(--ink-dim);
  line-height: 1.85;
}

.page-faq .faq-hero__panel {
  position: relative;
  z-index: 1;
  padding: 1.15rem 1.25rem 1.25rem;
  border: 2px solid rgba(255, 183, 3, 0.45);
  background: rgba(4, 18, 42, 0.76);
  box-shadow: 6px 6px 0 rgba(4, 18, 42, 0.9);
}

.page-faq .faq-hero__badge {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3.2rem, 12vw, 5rem);
  line-height: 0.85;
  text-align: right;
  color: rgba(0, 229, 255, 0.1);
  -webkit-text-stroke: 2px rgba(0, 229, 255, 0.42);
}

.page-faq .faq-hero__stats {
  display: grid;
  gap: 0.6rem;
  margin: 0;
}

.page-faq .faq-hero__stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px dashed var(--faq-line);
}

.page-faq .faq-hero__stat:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__stat dt {
  color: var(--ink-faint);
  font-size: 0.82rem;
}

.page-faq .faq-hero__stat dd {
  margin: 0;
  color: var(--gold);
  font-size: 0.95rem;
}

/* ---------- 快速定位 ---------- */
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.7rem;
  margin-top: 1.75rem;
}

.page-faq .faq-jump__label {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
}

.page-faq .faq-jump ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 0.42rem 0.85rem;
  border: 1px solid var(--faq-line);
  background: rgba(14, 42, 90, 0.55);
  color: var(--ink-dim);
  font-size: 0.85rem;
  text-decoration: none;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--faq-line-strong);
  background: var(--cyan);
  color: var(--void-deep);
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 2rem;
  margin-top: clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-index {
  display: none;
}

.page-faq .faq-index__title {
  margin: 0 0 0.85rem;
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  color: var(--ink-faint);
}

.page-faq .faq-index ol {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index a {
  display: flex;
  gap: 0.6rem;
  color: var(--ink-dim);
  font-size: 0.9rem;
  line-height: 1.45;
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-index a .mono {
  color: var(--cyan-soft);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.page-faq .faq-flow {
  display: grid;
  gap: clamp(2.4rem, 6vw, 3.75rem);
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-faq .chapter {
  position: relative;
  padding-top: 1.25rem;
  border-top: 2px solid var(--faq-line);
  scroll-margin-top: 6.5rem;
}

.page-faq .chapter__index {
  display: inline-block;
  margin-bottom: 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.26em;
  color: var(--ink-faint);
}

.page-faq .chapter__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 3.6vw, 1.95rem);
  line-height: 1.28;
  color: var(--ink);
}

.page-faq .chapter__note {
  margin: 0 0 1.5rem;
  max-width: 62ch;
  color: var(--ink-dim);
  line-height: 1.8;
}

/* ---------- 01 总览 ---------- */
.page-faq .faq-overview {
  display: grid;
  gap: 1.75rem;
}

.page-faq .faq-overview__text p {
  margin: 0;
  color: var(--ink-dim);
  line-height: 1.85;
}

.page-faq .faq-cat-list {
  counter-reset: cat;
  display: grid;
  gap: 0.75rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-cat-list li {
  position: relative;
  counter-increment: cat;
  padding: 0.85rem 1rem 0.85rem 2.9rem;
  border: 1px solid var(--faq-line);
  background: rgba(14, 42, 90, 0.5);
  color: var(--ink-dim);
  font-size: 0.94rem;
  line-height: 1.72;
}

.page-faq .faq-cat-list li::before {
  content: "0" counter(cat);
  position: absolute;
  top: 0.95rem;
  left: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--cyan-soft);
}

.page-faq .faq-cat-list strong {
  color: var(--ink);
  font-weight: 700;
}

.page-faq .faq-figure {
  margin: 0;
  border: 2px solid var(--faq-line);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure .media__caption {
  padding: 0.7rem 0.9rem;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--ink-faint);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-figure--wide {
  margin-top: 1.75rem;
}

/* ---------- 02 步骤 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 0.85rem;
}

.page-faq .faq-step {
  border: 2px solid var(--faq-line);
  background: var(--faq-panel);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-faq .faq-step[open] {
  border-color: var(--faq-line-strong);
  box-shadow: var(--glow);
}

.page-faq .faq-step summary {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--cyan-soft);
}

.page-faq .faq-step[open] summary::after {
  content: "–";
}

.page-faq .faq-step__num {
  flex: none;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .faq-step__title {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.45;
}

.page-faq .faq-step__body {
  padding: 0 1.15rem 1.15rem 2.7rem;
  color: var(--ink-dim);
  line-height: 1.82;
}

.page-faq .faq-step__body p {
  margin: 0;
}

/* ---------- 03 排查 ---------- */
.page-faq .faq-fix {
  padding: 1.1rem 1.25rem;
  border: 2px solid var(--faq-line);
  border-left: 6px solid var(--cyan);
  background: rgba(7, 26, 58, 0.78);
}

.page-faq .faq-fix:nth-child(2) {
  border-left-color: var(--gold);
}

.page-faq .faq-fix:nth-child(3) {
  border-left-color: var(--coral);
}

.page-faq .faq-fix:nth-child(4) {
  border-left-color: var(--cyan-soft);
}

.page-faq .faq-fix h3 {
  margin: 0 0 0.5rem;
  font-size: 1.02rem;
  line-height: 1.45;
  color: var(--ink);
}

.page-faq .faq-fix p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.94rem;
  line-height: 1.75;
}

/* ---------- 04 权益反馈 ---------- */
.page-faq .faq-benefit {
  display: grid;
  gap: 1.25rem;
  padding: 1.25rem;
  border: 2px solid var(--faq-line);
  background: rgba(14, 42, 90, 0.42);
}

.page-faq .faq-benefit__label {
  margin: 0 0 0.75rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
}

.page-faq .faq-benefit__tags ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-benefit__note p {
  margin: 0;
  color: var(--ink-dim);
  line-height: 1.82;
}

.page-faq .faq-status-list {
  display: grid;
  gap: 0.85rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-status-list li {
  display: grid;
  gap: 0.5rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--faq-line);
  background: rgba(4, 18, 42, 0.62);
}

.page-faq .faq-status-list li .tag {
  justify-self: start;
}

.page-faq .faq-status-list p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.94rem;
  line-height: 1.72;
}

.page-faq .faq-benefit__cta {
  margin: 1.5rem 0 0;
}

/* ---------- 05 账号安全 ---------- */
.page-faq .faq-safety__card {
  padding: 1.15rem 1.25rem;
  border: 2px solid var(--faq-line);
  background: var(--faq-panel);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

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

.page-faq .faq-safety__num {
  margin: 0 0 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-faq .faq-safety__card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.02rem;
  color: var(--ink);
}

.page-faq .faq-safety__card p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.94rem;
  line-height: 1.75;
}

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

.page-faq .faq-safety__card a:hover,
.page-faq .faq-safety__card a:focus-visible {
  color: var(--cyan-soft);
}

/* ---------- 06 联系 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  padding: 1rem 1.15rem;
  border: 2px solid var(--faq-line);
  background: rgba(4, 18, 42, 0.7);
}

.page-faq .faq-contact__label {
  flex: none;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
}

.page-faq .faq-contact__value {
  color: var(--ink);
  font-size: 0.98rem;
  word-break: break-all;
}

.page-faq .faq-contact__item .copy-btn {
  margin-left: auto;
}

.page-faq .faq-contact__note {
  margin: 1.15rem 0 0;
  color: var(--ink-dim);
  font-size: 0.92rem;
  line-height: 1.78;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
}

/* ---------- 回顶 ---------- */
.page-faq .faq-top {
  margin: 0;
  text-align: center;
}

.page-faq .faq-top a {
  display: inline-block;
  padding: 0.5rem 1.15rem;
  border: 1px solid var(--faq-line);
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-top a:hover,
.page-faq .faq-top a:focus-visible {
  color: var(--cyan);
  border-color: var(--faq-line-strong);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-benefit {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1.75rem;
    padding: 1.5rem;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.62fr);
    align-items: end;
    gap: 2.25rem;
  }

  .page-faq .faq-overview {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.88fr);
    align-items: start;
    gap: 2.25rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-faq .faq-index {
    display: block;
    position: sticky;
    top: 6.5rem;
    padding-left: 1rem;
    border-left: 2px solid var(--faq-line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .faq-step,
  .page-faq .faq-safety__card,
  .page-faq .faq-top a {
    transition: none;
  }

  .page-faq .faq-safety__card:hover {
    transform: none;
  }
}