.page-faq {
  --faq-border: rgba(255, 255, 255, 0.1);
  --faq-card-bg: rgba(255, 255, 255, 0.03);
  padding-bottom: 96px;
  background:
    radial-gradient(1100px 420px at 8% 0%, rgba(57, 255, 136, 0.07) 0%, transparent 60%),
    radial-gradient(800px 320px at 90% 22%, rgba(255, 107, 44, 0.05) 0%, transparent 55%),
    linear-gradient(180deg, rgba(8, 26, 23, 0) 0%, rgba(8, 26, 23, 1) 100%);
  color: var(--fh-text);
}

/* 面包屑 */
.page-faq .fh-breadcrumb {
  max-width: var(--fh-container);
  margin: 0 auto;
  padding: 24px var(--fh-gutter) 0;
  font-family: var(--fh-font-data);
  font-size: 0.82rem;
  color: rgba(226, 232, 228, 0.55);
}

.page-faq .fh-breadcrumb a {
  color: var(--fh-green);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.page-faq .fh-breadcrumb a:hover {
  opacity: 0.75;
}

.page-faq .fh-breadcrumb-sep {
  margin: 0 8px;
  color: rgba(226, 232, 228, 0.3);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  max-width: var(--fh-container);
  margin: 0 auto;
  padding: 44px var(--fh-gutter) 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-faq .faq-hero-word {
  position: absolute;
  right: -24px;
  bottom: -28px;
  font-family: var(--fh-font-data);
  font-size: 9rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(255, 255, 255, 0.025);
  pointer-events: none;
  z-index: 0;
}

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

.page-faq .faq-hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--fh-font-data);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--fh-orange);
}

.page-faq .faq-hero-kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--fh-orange);
}

.page-faq h1 {
  max-width: 560px;
  margin: 0 0 16px;
  font-family: var(--fh-font-display);
  font-size: 2.2rem;
  line-height: 1.18;
  color: var(--fh-text);
}

.page-faq .faq-hero-lead {
  max-width: 480px;
  margin: 0 0 20px;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(226, 232, 228, 0.78);
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-hero-art {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
}

.page-faq .faq-hero-imgwrap {
  width: 190px;
  height: 190px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid rgba(57, 255, 136, 0.2);
  background: radial-gradient(circle at center, rgba(18, 11, 38, 0.8) 0%, rgba(8, 26, 23, 0.95) 72%);
  box-shadow: 0 0 0 8px rgba(57, 255, 136, 0.04), 0 18px 48px rgba(0, 0, 0, 0.4);
}

.page-faq .faq-hero-imgwrap img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.88;
}

/* 章节通用 */
.page-faq .faq-section {
  max-width: var(--fh-container);
  margin: 0 auto;
  padding: 52px var(--fh-gutter) 0;
}

.page-faq .fh-section-head {
  position: relative;
  margin: 0 0 28px;
  padding-left: 56px;
}

.page-faq .fh-section-num {
  position: absolute;
  left: 0;
  top: -6px;
  font-family: var(--fh-font-data);
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1;
  color: var(--fh-green);
  opacity: 0.9;
}

.page-faq .fh-section-title {
  margin: 0 0 6px;
  font-family: var(--fh-font-display);
  font-size: 1.55rem;
  line-height: 1.25;
  color: var(--fh-text);
}

.page-faq .fh-section-desc {
  max-width: 520px;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(226, 232, 228, 0.6);
}

/* 高频问题：左右分栏 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-faq .faq-index {
  background: linear-gradient(145deg, rgba(18, 11, 38, 0.7), rgba(42, 10, 20, 0.35));
  border: 1px solid var(--faq-border);
  border-radius: var(--fh-radius);
  padding: 18px;
}

.page-faq .faq-index-caption {
  margin: 0 0 12px;
  font-family: var(--fh-font-data);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--fh-orange);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--fh-radius-sm);
  color: rgba(226, 232, 228, 0.75);
  text-decoration: none;
  font-size: 0.9rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-faq .faq-index-link:hover {
  background: rgba(57, 255, 136, 0.1);
  color: var(--fh-green);
}

.page-faq .faq-index-num {
  font-family: var(--fh-font-data);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--fh-green);
  background: rgba(57, 255, 136, 0.1);
  border: 1px solid rgba(57, 255, 136, 0.16);
  border-radius: 4px;
  padding: 2px 6px;
}

.page-faq .faq-answers {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-border);
  border-radius: var(--fh-radius);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(57, 255, 136, 0.3);
  transform: translateY(-1px);
}

.page-faq .faq-item[open] {
  border-color: rgba(57, 255, 136, 0.35);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  padding: 18px 20px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--fh-text);
  user-select: none;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--fh-font-data);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--fh-green);
  transition: transform 0.2s ease;
}

.page-faq .faq-item[open] summary::after {
  content: "−";
}

.page-faq .faq-item[open] summary {
  border-bottom: 1px solid var(--faq-border);
}

.page-faq .faq-q-num {
  flex-shrink: 0;
  font-family: var(--fh-font-data);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--fh-green);
  background: rgba(57, 255, 136, 0.1);
  border: 1px solid rgba(57, 255, 136, 0.18);
  border-radius: 6px;
  padding: 3px 8px;
}

.page-faq .faq-answer {
  padding: 18px 20px 20px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(226, 232, 228, 0.82);
}

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

.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-inline-link {
  display: inline-block;
  font-family: var(--fh-font-data);
  font-size: 0.9rem;
  color: var(--fh-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 255, 136, 0.4);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-inline-link:hover {
  border-bottom-color: var(--fh-green);
  color: var(--fh-text);
}

/* 更新机制 */
.page-faq .faq-updates {
  padding-top: 64px;
}

.page-faq .faq-updates-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: stretch;
}

.page-faq .faq-updates-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-update-step {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-border);
  border-radius: var(--fh-radius);
  transition: border-color 0.25s ease;
}

.page-faq .faq-update-step:hover {
  border-color: rgba(57, 255, 136, 0.25);
}

.page-faq .faq-step-num {
  flex-shrink: 0;
  min-width: 34px;
  font-family: var(--fh-font-data);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--fh-orange);
}

.page-faq .faq-update-step h3 {
  margin: 0 0 8px;
  font-family: var(--fh-font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fh-text);
}

.page-faq .faq-update-step p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(226, 232, 228, 0.75);
}

.page-faq .faq-updates-note {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 26px;
  background:
    radial-gradient(360px 180px at 90% 0%, rgba(255, 107, 44, 0.12), transparent 70%),
    linear-gradient(135deg, rgba(42, 10, 20, 0.55), rgba(18, 11, 38, 0.6));
  border: 1px solid rgba(255, 107, 44, 0.22);
  border-radius: var(--fh-radius);
}

.page-faq .faq-updates-loop {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin: 0 0 16px;
  border: 1px dashed rgba(57, 255, 136, 0.45);
  border-radius: 50%;
  font-family: var(--fh-font-data);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fh-green);
}

.page-faq .faq-updates-note h3 {
  margin: 12px 0 12px;
  font-family: var(--fh-font-display);
  font-size: 1.3rem;
  color: var(--fh-text);
}

.page-faq .faq-updates-note p {
  margin: 0 0 12px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(226, 232, 228, 0.82);
}

.page-faq .faq-updates-note p:last-child {
  margin-bottom: 0;
}

/* 反馈通道 */
.page-faq .faq-feedback {
  padding-top: 64px;
  padding-bottom: 8px;
}

.page-faq .faq-feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

.page-faq .faq-feedback-content {
  background: linear-gradient(145deg, rgba(18, 11, 38, 0.55), rgba(8, 26, 23, 0.7));
  border: 1px solid var(--faq-border);
  border-radius: var(--fh-radius);
  padding: 24px;
}

.page-faq .faq-feedback-hint {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  margin-bottom: 20px;
  background: rgba(57, 255, 136, 0.07);
  border: 1px solid rgba(57, 255, 136, 0.16);
  border-radius: var(--fh-radius-sm);
}

.page-faq .faq-feedback-dot {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--fh-green);
  box-shadow: 0 0 0 0 rgba(57, 255, 136, 0.5);
  animation: pageFaqPulse 2.2s infinite;
}

@keyframes pageFaqPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(57, 255, 136, 0.5);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(57, 255, 136, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(57, 255, 136, 0);
  }
}

.page-faq .faq-feedback-hint p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(226, 232, 228, 0.85);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-faq .faq-contact-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 12px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.95rem;
}

.page-faq .faq-contact-item:last-child {
  border-bottom: none;
}

.page-faq .faq-contact-label {
  flex-shrink: 0;
  color: rgba(226, 232, 228, 0.55);
}

.page-faq .faq-contact-value {
  font-family: var(--fh-font-data);
  font-size: 0.92rem;
  text-align: right;
  word-break: break-all;
  color: var(--fh-text);
}

.page-faq .faq-feedback-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-feedback-art {
  display: flex;
  justify-content: center;
}

.page-faq .faq-feedback-art img {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: var(--fh-radius);
  border: 1px solid var(--faq-border);
  box-shadow: var(--fh-shadow);
}

/* 桌面端增强 */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    grid-template-columns: 1fr 280px;
    gap: 28px;
    padding: 56px var(--fh-gutter) 64px;
  }

  .page-faq h1 {
    font-size: 2.7rem;
  }

  .page-faq .faq-hero-art {
    justify-content: flex-end;
  }

  .page-faq .faq-hero-imgwrap {
    width: 240px;
    height: 240px;
  }

  .page-faq .faq-updates-grid {
    grid-template-columns: 1.25fr 0.75fr;
  }

  .page-faq .faq-feedback-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-faq .faq-feedback-art {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 250px 1fr;
    gap: 32px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-index-list {
    grid-template-columns: 1fr;
  }
}