.page-faq {
  --faq-border: rgba(201, 162, 39, 0.3);
  --faq-soft: rgba(168, 164, 184, 0.14);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-faq p {
  margin: 0;
  line-height: 1.75;
}

.page-faq .lede {
  font-family: var(--font-serif);
  color: var(--paper);
}

/* ---------- 首屏封面 ---------- */
.page-faq .faq-cover {
  position: relative;
  padding: clamp(1.5rem, 5vw, 3.5rem) 0 clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(120% 80% at 85% 0%, rgba(255, 107, 26, 0.16) 0%, transparent 58%),
    radial-gradient(90% 70% at 0% 100%, rgba(61, 255, 162, 0.09) 0%, transparent 60%),
    var(--ink);
}

.page-faq .faq-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(241, 230, 207, 0.028) 0px,
    rgba(241, 230, 207, 0.028) 1px,
    transparent 1px,
    transparent 5px
  );
}

.page-faq .faq-cover-grid {
  position: relative;
  display: grid;
  gap: 1.8rem;
}

.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mist);
  margin-bottom: 1.1rem;
}

.page-faq .faq-crumb a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-faq .faq-cover-copy h1 {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
  text-shadow: 0 0 26px rgba(201, 162, 39, 0.42);
}

.page-faq .faq-cover-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.3rem 0 1.5rem;
}

.page-faq .faq-cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-faq .faq-cover-art {
  position: relative;
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--faq-border);
  box-shadow: 0 24px 60px -30px rgba(201, 162, 39, 0.7);
}

.page-faq .faq-cover-art img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(1.1) contrast(1.05);
}

.page-faq .faq-cover-art .media-cap {
  position: absolute;
  left: 0.9rem;
  bottom: 0.9rem;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  background: rgba(7, 7, 11, 0.82);
  color: var(--paper);
  border: 1px solid var(--faq-border);
}

/* ---------- 四象限索引 ---------- */
.page-faq .faq-quad {
  position: relative;
  display: grid;
  gap: 0.9rem;
  margin-top: clamp(1.8rem, 4vw, 3rem);
}

.page-faq .faq-quad-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.25rem 1.2rem 1.1rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, var(--panel-2), var(--panel));
  border: 1px solid var(--faq-soft);
  text-decoration: none;
  color: var(--paper);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-quad-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: -30%;
  width: 46%;
  height: 4px;
  background: linear-gradient(90deg, var(--tiger), transparent);
  transform: skewX(-32deg);
}

.page-faq .faq-quad-card:nth-child(even)::after {
  background: linear-gradient(90deg, var(--neon), transparent);
}

.page-faq .faq-quad-card:hover,
.page-faq .faq-quad-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: 0 18px 40px -24px rgba(201, 162, 39, 0.9);
}

.page-faq .faq-quad-num {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--tiger);
}

.page-faq .faq-quad-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--gold-lit);
}

.page-faq .faq-quad-card p {
  font-size: 0.9rem;
  color: var(--mist);
  line-height: 1.65;
}

.page-faq .faq-quad-go {
  margin-top: auto;
  padding-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--neon);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-section {
  padding: clamp(2.4rem, 6vw, 4.5rem) 0;
}

.page-faq .faq-sec-head {
  max-width: 46rem;
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
}

.page-faq .faq-sec-head h2 {
  margin: 0.55rem 0 0.8rem;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.4vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-sec-head .lede {
  font-size: 1rem;
  color: var(--mist);
}

/* ---------- 三步排查 ---------- */
.page-faq .faq-steps {
  background: linear-gradient(180deg, transparent, rgba(18, 18, 26, 0.85) 40%, transparent);
}

.page-faq .faq-steps-layout {
  display: grid;
  gap: 1.6rem;
}

.page-faq .faq-rail {
  display: grid;
  gap: 1rem;
  position: relative;
}

.page-faq .faq-step {
  position: relative;
  padding: 1.3rem 1.2rem 1.3rem 1.4rem;
  border-radius: var(--radius-lg);
  background: var(--panel);
  border: 1px solid var(--faq-soft);
  border-left: 3px solid var(--gold);
}

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

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

.page-faq .faq-step-num {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gold-lit);
  margin-bottom: 0.5rem;
}

.page-faq .faq-step h3 {
  margin: 0 0 0.5rem;
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-step p {
  font-size: 0.92rem;
  color: var(--mist);
}

.page-faq .faq-step-done {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  margin-top: 0.9rem;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-md);
  background: rgba(61, 255, 162, 0.07);
  border: 1px dashed rgba(61, 255, 162, 0.42);
  color: var(--paper);
  font-size: 0.86rem;
  line-height: 1.6;
}

.page-faq .faq-check {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: var(--neon);
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 800;
}

.page-faq .faq-steps-figure {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--faq-border);
  background: var(--panel-2);
}

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

.page-faq .faq-steps-figure .media-cap {
  display: block;
  padding: 0.65rem 0.9rem;
  color: var(--mist);
  background: var(--panel);
}

/* ---------- 反馈工单 ---------- */
.page-faq .faq-ticket-grid {
  display: grid;
  gap: 1.1rem;
}

.page-faq .faq-ticket-main {
  padding: 1.4rem 1.25rem;
  border-radius: var(--radius-xl);
  background: var(--panel);
  border: 1px solid var(--faq-border);
}

.page-faq .faq-ticket-main h3,
.page-faq .faq-contact-aside h3 {
  margin: 0 0 0.9rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--gold-lit);
}

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

.page-faq .faq-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--paper);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 2px;
  background: var(--tiger);
  transform: rotate(45deg);
}

.page-faq .faq-note {
  margin-top: 1rem;
  font-size: 0.84rem;
  color: var(--mist);
  line-height: 1.7;
}

.page-faq .faq-ticket-side {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-faq .faq-ticket-card {
  padding: 1.2rem 1.15rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  border: 1px solid var(--faq-soft);
}

.page-faq .faq-ticket-card p {
  margin-top: 0.6rem;
  font-size: 0.9rem;
  color: var(--mist);
}

.page-faq .faq-ticket-card--neon {
  border-color: rgba(61, 255, 162, 0.32);
}

.page-faq .faq-ticket-time {
  margin-top: 0.7rem;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--gold-lit);
}

.page-faq .faq-inline-link {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.86rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 214, 255, 0.45);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--gold-lit);
  border-bottom-color: var(--gold-lit);
}

/* ---------- 低配通道 ---------- */
.page-faq .faq-lowend {
  background:
    radial-gradient(80% 60% at 10% 20%, rgba(53, 214, 255, 0.09) 0%, transparent 62%),
    var(--ink);
}

.page-faq .faq-lowend-grid {
  display: grid;
  gap: 0.9rem;
}

.page-faq .faq-lowend-card {
  padding: 1.25rem 1.15rem;
  border-radius: var(--radius-lg);
  background: var(--panel);
  border: 1px solid var(--faq-soft);
  transition: border-color 0.25s ease;
}

.page-faq .faq-lowend-card:hover {
  border-color: rgba(53, 214, 255, 0.5);
}

.page-faq .faq-lowend-icon {
  display: inline-block;
  padding: 0.22rem 0.6rem;
  margin-bottom: 0.6rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  border-radius: var(--radius-pill);
  color: var(--ink);
  background: var(--cyan);
}

.page-faq .faq-lowend-card:nth-child(2) .faq-lowend-icon {
  background: var(--gold-lit);
}

.page-faq .faq-lowend-card:nth-child(3) .faq-lowend-icon {
  background: var(--neon);
}

.page-faq .faq-lowend-card--wide .faq-lowend-icon {
  background: var(--tiger);
  color: var(--paper);
}

.page-faq .faq-lowend-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-lowend-card p {
  font-size: 0.9rem;
  color: var(--mist);
}

/* ---------- 常见问题折叠 ---------- */
.page-faq .faq-answers {
  background: linear-gradient(180deg, rgba(18, 18, 26, 0.9), transparent 70%);
}

.page-faq .faq-accordion-wrap {
  display: grid;
  gap: 1.6rem;
}

.page-faq .faq-group {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.page-faq .faq-group-title {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin: 0 0 0.2rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.02em;
}

.page-faq .faq-item {
  border-radius: var(--radius-md);
  background: var(--panel);
  border: 1px solid var(--faq-soft);
  overflow: hidden;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-item[open] {
  border-color: var(--gold);
  background: var(--panel-2);
}

.page-faq .faq-item summary {
  position: relative;
  padding: 0.95rem 2.6rem 0.95rem 1rem;
  cursor: pointer;
  font-size: 0.93rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  list-style: none;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--gold-lit);
  transition: transform 0.2s ease, color 0.2s ease;
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  color: var(--neon);
}

.page-faq .faq-item summary:hover {
  color: var(--gold-lit);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-a {
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--line-soft);
  padding-top: 0.85rem;
}

.page-faq .faq-a p {
  font-size: 0.9rem;
  color: var(--mist);
}

/* ---------- 联系卡片 ---------- */
.page-faq .faq-contact {
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

.page-faq .faq-contact-card {
  display: grid;
  gap: 1.4rem;
  padding: clamp(1.3rem, 4vw, 2.4rem);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(150deg, rgba(201, 162, 39, 0.14), transparent 46%),
    var(--panel-2);
  border: 1px solid var(--gold);
  box-shadow: 0 30px 70px -46px rgba(201, 162, 39, 1);
}

.page-faq .faq-contact-copy h2 {
  margin: 0.5rem 0 0.8rem;
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 900;
  line-height: 1.22;
  color: var(--paper);
}

.page-faq .faq-contact-copy .lede {
  font-size: 0.96rem;
  color: var(--mist);
}

.page-faq .faq-contact-lines {
  display: grid;
  gap: 0.55rem;
  margin: 1.2rem 0 1.4rem;
}

.page-faq .faq-contact-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: baseline;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-md);
  background: rgba(7, 7, 11, 0.55);
  border: 1px solid var(--faq-soft);
}

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

.page-faq .faq-contact-val {
  font-size: 0.92rem;
  color: var(--gold-lit);
  word-break: break-all;
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-faq .faq-contact-aside {
  padding: 1.15rem 1.1rem;
  border-radius: var(--radius-lg);
  background: rgba(7, 7, 11, 0.5);
  border: 1px dashed var(--faq-border);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-quad {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-lowend-card--wide {
    grid-column: 1 / -1;
  }

  .page-faq .faq-accordion-wrap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.6rem 1.2rem;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-cover-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 2.4rem;
  }

  .page-faq .faq-cover-art {
    transform: translateY(-0.6rem) rotate(-1.2deg);
  }

  .page-faq .faq-steps-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 2rem;
  }

  .page-faq .faq-steps-figure {
    position: sticky;
    top: calc(var(--header-h) + 1.2rem);
  }

  .page-faq .faq-ticket-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 1.4rem;
  }

  .page-faq .faq-contact-card {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
    gap: 2rem;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-quad {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding-bottom: 1.6rem;
  }

  .page-faq .faq-quad-card:nth-child(2) {
    transform: translateY(20px);
  }

  .page-faq .faq-quad-card:nth-child(4) {
    transform: translateY(20px);
  }

  .page-faq .faq-quad-card:nth-child(2):hover,
  .page-faq .faq-quad-card:nth-child(2):focus-visible,
  .page-faq .faq-quad-card:nth-child(4):hover,
  .page-faq .faq-quad-card:nth-child(4):focus-visible {
    transform: translateY(14px);
  }

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

  .page-faq .faq-lowend-card--wide {
    grid-column: span 3;
    display: grid;
    grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr);
    gap: 0.4rem 1.4rem;
    align-items: start;
  }

  .page-faq .faq-lowend-card--wide .faq-lowend-icon {
    grid-column: 1;
  }

  .page-faq .faq-lowend-card--wide h3 {
    grid-column: 1;
  }

  .page-faq .faq-lowend-card--wide p,
  .page-faq .faq-lowend-card--wide .faq-inline-link {
    grid-column: 2;
  }

  .page-faq .faq-lowend-card--wide p {
    grid-row: 1 / span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quad-card,
  .page-faq .faq-lowend-card,
  .page-faq .faq-item,
  .page-faq .faq-item summary::after {
    transition: none;
  }

  .page-faq .faq-quad-card:nth-child(2),
  .page-faq .faq-quad-card:nth-child(4) {
    transform: none;
  }
}