/* ===== 页面专属样式：.page-faq ===== */
.page-faq {
  --faq-gold: #D4AF37;
  --faq-gold-light: #F1C40F;
  --faq-green-deep: #0A2E1A;
  --faq-green-accent: #2ECC71;
  --faq-bg-black: #0D0D0D;
  --faq-surface-dark: #1A1A1A;
  --faq-text-white: #F5F5F5;
  --faq-text-muted: #A0A0A0;
  --faq-glass-bg: rgba(10, 46, 26, 0.65);
  --faq-border-glow: rgba(212, 175, 55, 0.25);
  --faq-radius: 12px;
  --faq-radius-sm: 8px;
  --faq-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --faq-font-heading: 'Helvetica Now Display', 'Inter', system-ui, -apple-system, sans-serif;
  --faq-font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --faq-font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;
  display: block;
  background-color: var(--faq-bg-black);
  color: var(--faq-text-white);
  font-family: var(--faq-font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* container */
.page-faq .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  width: 100%;
  box-sizing: border-box;
}

/* ===== 顶部刊头 ===== */
.page-faq .faq-masthead {
  position: relative;
  padding: 3rem 0 1.5rem;
  background: linear-gradient(180deg, rgba(10,46,26,0.9) 0%, rgba(13,13,13,1) 100%);
  border-bottom: 1px solid rgba(212,175,55,0.15);
  overflow: hidden;
}
.page-faq .faq-masthead::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--faq-gold), transparent);
  opacity: 0.3;
}
.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--faq-text-muted);
  letter-spacing: 0.03em;
  margin-bottom: 1.25rem;
}
.page-faq .faq-breadcrumb a {
  color: var(--faq-gold);
  text-decoration: none;
  transition: color 0.25s;
}
.page-faq .faq-breadcrumb a:hover {
  color: var(--faq-gold-light);
}
.page-faq .breadcrumb-sep {
  font-size: 0.5rem;
  color: var(--faq-gold);
  opacity: 0.5;
}
.page-faq .faq-headline {
  font-family: var(--faq-font-heading);
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--faq-text-white);
  margin: 0 0 0.35rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-transform: uppercase;
}
.page-faq .faq-subtitle {
  font-size: clamp(0.95rem, 1.8vw, 1.2rem);
  color: var(--faq-text-muted);
  margin: 0 0 1.5rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}
.page-faq .faq-masthead-visual {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 480px;
  max-width: 45%;
  pointer-events: none;
  opacity: 0.7;
}
.page-faq .faq-masthead-svg {
  width: 100%;
  height: auto;
}

/* ===== 快速索引导航 ===== */
.page-faq .faq-index-bar {
  padding: 1.25rem 0;
  background: rgba(26,26,26,0.7);
  border-bottom: 1px solid rgba(212,175,55,0.08);
  position: sticky;
  top: var(--header-height, 70px);
  z-index: 5;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.page-faq .faq-index-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}
.page-faq .faq-index-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.75rem;
  background: rgba(10,46,26,0.35);
  border: 1px solid rgba(212,175,55,0.15);
  border-radius: var(--faq-radius-sm);
  text-decoration: none;
  color: var(--faq-text-white);
  transition: all var(--faq-transition);
  position: relative;
  min-width: 0;
}
.page-faq .faq-index-item:hover {
  background: rgba(10,46,26,0.6);
  border-color: var(--faq-gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(212,175,55,0.1);
}
.page-faq .faq-index-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}
.page-faq .faq-index-icon svg {
  width: 22px;
  height: 22px;
}
.page-faq .faq-index-label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.page-faq .faq-index-count {
  margin-left: auto;
  flex-shrink: 0;
  background: var(--faq-gold);
  color: var(--faq-bg-black);
  font-size: 0.7rem;
  font-weight: 800;
  font-family: var(--faq-font-mono);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* ===== 主布局 ===== */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  padding: 2.5rem 0 3rem;
  align-items: start;
}

/* ===== 左侧主面板 ===== */
.page-faq .faq-panel-main {
  min-width: 0;
}

/* ===== Section ===== */
.page-faq .faq-section {
  margin-bottom: 3rem;
  padding: 1.5rem 1.5rem 1.75rem;
  background: rgba(26,26,26,0.4);
  border-radius: var(--faq-radius);
  border: 1px solid rgba(212,175,55,0.06);
  transition: border-color 0.3s;
  position: relative;
}
.page-faq .faq-section:hover {
  border-color: rgba(212,175,55,0.15);
}
.page-faq .faq-section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.page-faq .faq-section-title {
  font-family: var(--faq-font-heading);
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 800;
  color: var(--faq-text-white);
  margin: 0;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  white-space: nowrap;
}
.page-faq .faq-section-num {
  font-family: var(--faq-font-mono);
  font-size: 0.85rem;
  color: var(--faq-gold);
  opacity: 0.7;
  font-weight: 500;
  letter-spacing: 0.05em;
}
.page-faq .faq-section-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--faq-gold) 0%, transparent 100%);
  opacity: 0.3;
}

/* ===== 折叠面板 ===== */
.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-faq .faq-item {
  background: rgba(13,13,13,0.6);
  border-radius: var(--faq-radius-sm);
  border: 1px solid rgba(212,175,55,0.08);
  overflow: hidden;
  transition: border-color var(--faq-transition);
}
.page-faq .faq-item[open] {
  border-color: rgba(212,175,55,0.25);
  background: rgba(13,13,13,0.8);
}
.page-faq .faq-question {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--faq-text-white);
  transition: background 0.25s;
  user-select: none;
  -webkit-user-select: none;
}
.page-faq .faq-question::-webkit-details-marker {
  display: none;
}
.page-faq .faq-question:hover {
  background: rgba(212,175,55,0.04);
}
.page-faq .faq-question:focus-visible {
  outline: 2px solid var(--faq-gold);
  outline-offset: -2px;
  border-radius: var(--faq-radius-sm);
}
.page-faq .faq-q-mark {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  background: var(--faq-gold);
  color: var(--faq-bg-black);
  font-family: var(--faq-font-heading);
  font-weight: 800;
  font-size: 0.75rem;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0;
  line-height: 1;
}
.page-faq .faq-question-text {
  flex: 1;
  min-width: 0;
}
.page-faq .faq-toggle-icon {
  flex-shrink: 0;
  color: var(--faq-gold);
  opacity: 0.6;
  transition: transform 0.35s ease;
  display: flex;
  align-items: center;
}
.page-faq .faq-item[open] .faq-toggle-icon {
  transform: rotate(180deg);
}
.page-faq .faq-answer {
  padding: 0 1.25rem 1.25rem;
  color: var(--faq-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  border-top: 1px solid rgba(212,175,55,0.06);
  margin-top: 0;
  animation: faqFadeIn 0.35s ease;
}
@keyframes faqFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.page-faq .faq-answer p {
  margin: 0.65rem 0;
}
.page-faq .faq-answer p:first-child {
  margin-top: 0.85rem;
}
.page-faq .faq-answer ul {
  margin: 0.5rem 0;
  padding-left: 1.25rem;
  list-style: none;
}
.page-faq .faq-answer li {
  margin: 0.3rem 0;
  position: relative;
  padding-left: 0.5rem;
}
.page-faq .faq-answer li::before {
  content: '◆';
  color: var(--faq-gold);
  font-size: 0.45rem;
  position: absolute;
  left: -0.85rem;
  top: 0.35rem;
  opacity: 0.5;
}
.page-faq .faq-link {
  color: var(--faq-gold);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.25s;
}
.page-faq .faq-link:hover {
  color: var(--faq-gold-light);
  text-decoration: underline;
}

/* 答案中的元标签 */
.page-faq .faq-answer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.85rem;
  padding-top: 0.65rem;
  border-top: 1px solid rgba(212,175,55,0.06);
}
.page-faq .faq-meta-tag {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--faq-gold);
  background: rgba(212,175,55,0.08);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 0.02em;
  border: 1px solid rgba(212,175,55,0.1);
}

/* 步骤图 */
.page-faq .faq-step-img {
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: var(--faq-radius-sm);
  border: 1px solid rgba(212,175,55,0.12);
  margin: 0.75rem 0 0.5rem;
  display: block;
  object-fit: cover;
  aspect-ratio: 400/250;
  background: var(--faq-surface-dark);
}

/* 联系方式列表 */
.page-faq .faq-contact-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0;
}
.page-faq .faq-contact-list li {
  padding: 0.25rem 0;
  font-size: 0.9rem;
  color: var(--faq-text-white);
}
.page-faq .faq-contact-list strong {
  color: var(--faq-gold);
  font-weight: 600;
}

/* Section CTA */
.page-faq .faq-section-cta {
  margin-top: 1.25rem;
  text-align: right;
}

/* ===== 按钮系统 ===== */
.page-faq .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.25rem;
  font-family: var(--faq-font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 6px;
  text-decoration: none;
  transition: all var(--faq-transition);
  border: 1px solid transparent;
  line-height: 1.4;
  letter-spacing: 0.01em;
  cursor: pointer;
}
.page-faq .btn-outline {
  background: transparent;
  color: var(--faq-gold);
  border-color: rgba(212,175,55,0.3);
}
.page-faq .btn-outline:hover {
  background: rgba(212,175,55,0.08);
  border-color: var(--faq-gold);
  box-shadow: 0 0 20px rgba(212,175,55,0.06);
}
.page-faq .btn-primary {
  background: var(--faq-gold);
  color: var(--faq-bg-black);
  border-color: var(--faq-gold);
  font-weight: 800;
}
.page-faq .btn-primary:hover {
  background: var(--faq-gold-light);
  border-color: var(--faq-gold-light);
  box-shadow: 0 4px 24px rgba(212,175,55,0.2);
  transform: translateY(-1px);
}

/* ===== 信任声明 ===== */
.page-faq .faq-trust {
  margin: 2rem 0 0.5rem;
  padding: 1rem 1.5rem;
  background: rgba(10,46,26,0.3);
  border-radius: var(--faq-radius-sm);
  border: 1px solid rgba(212,175,55,0.06);
}
.page-faq .faq-trust-inner {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--faq-text-muted);
  line-height: 1.5;
}
.page-faq .faq-trust-inner svg {
  flex-shrink: 0;
  margin-top: 2px;
  width: 20px;
  height: 20px;
}
.page-faq .faq-trust-inner p {
  margin: 0;
}

/* ===== 右侧面板 ===== */
.page-faq .faq-panel-side {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: sticky;
  top: calc(var(--header-height, 70px) + 80px);
}
.page-faq .faq-side-card {
  padding: 1.25rem 1.25rem 1.35rem;
  border-radius: var(--faq-radius);
  background: var(--faq-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(212,175,55,0.1);
  transition: border-color 0.3s, transform 0.3s;
}
.page-faq .faq-side-card:hover {
  border-color: rgba(212,175,55,0.2);
  transform: translateY(-2px);
}
.page-faq .faq-side-title {
  font-family: var(--faq-font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--faq-gold);
  margin: 0 0 0.85rem;
  letter-spacing: 0.02em;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid rgba(212,175,55,0.08);
}
.page-faq .faq-side-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-faq .faq-side-link {
  color: var(--faq-text-white);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.3rem 0;
  transition: color 0.25s;
  display: block;
}
.page-faq .faq-side-link:hover {
  color: var(--faq-gold);
}
.page-faq .faq-side-hot {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: hot-num;
}
.page-faq .faq-side-hot li {
  counter-increment: hot-num;
  padding: 0.25rem 0;
  border-bottom: 1px solid rgba(212,175,55,0.04);
}
.page-faq .faq-side-hot li::before {
  content: counter(hot-num) ".";
  font-family: var(--faq-font-mono);
  color: var(--faq-gold);
  font-size: 0.75rem;
  font-weight: 600;
  margin-right: 0.4rem;
  opacity: 0.7;
}
.page-faq .faq-side-hot .faq-side-link {
  display: inline;
  font-size: 0.83rem;
}
.page-faq .faq-side-contact-card {
  background: linear-gradient(145deg, rgba(10,46,26,0.8), rgba(13,13,13,0.9));
  border: 1px solid rgba(212,175,55,0.15);
}
.page-faq .faq-side-contact-text {
  font-size: 0.82rem;
  color: var(--faq-text-muted);
  margin: 0 0 0.75rem;
  line-height: 1.5;
}
.page-faq .faq-side-email-btn {
  font-size: 0.75rem;
  padding: 0.45rem 1rem;
  width: 100%;
  justify-content: center;
  word-break: break-all;
}

/* ===== 底部上下文导航 ===== */
.page-faq .faq-context-nav {
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid rgba(212,175,55,0.06);
}
.page-faq .faq-context-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.page-faq .faq-context-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(26,26,26,0.4);
  border: 1px solid rgba(212,175,55,0.06);
  border-radius: var(--faq-radius-sm);
  text-decoration: none;
  color: var(--faq-text-white);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--faq-transition);
}
.page-faq .faq-context-item:hover {
  background: rgba(10,46,26,0.5);
  border-color: var(--faq-gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(212,175,55,0.06);
}
.page-faq .faq-context-label {
  letter-spacing: 0.01em;
}
.page-faq .faq-context-arrow {
  color: var(--faq-gold);
  font-size: 0.55rem;
  opacity: 0.5;
}

/* ===== 滚动显现动画 ===== */
.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.page-faq [data-reveal-visible] {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 移动端优先适配 ===== */
@media (max-width: 768px) {
  .page-faq .faq-masthead {
    padding: 2rem 0 1rem;
  }
  .page-faq .faq-masthead-visual {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    width: 100%;
    max-width: 320px;
    margin: 0.5rem auto 0;
    opacity: 0.4;
  }
  .page-faq .faq-index-bar {
    position: relative;
    top: 0;
  }
  .page-faq .faq-index-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }
  .page-faq .faq-index-item {
    padding: 0.5rem 0.65rem;
  }
  .page-faq .faq-index-label {
    font-size: 0.78rem;
  }
  .page-faq .faq-index-count {
    width: 20px;
    height: 20px;
    font-size: 0.6rem;
  }
  .page-faq .faq-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.5rem 0 2rem;
  }
  .page-faq .faq-panel-side {
    position: relative;
    top: 0;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .page-faq .faq-side-card {
    flex: 1 1 calc(50% - 0.5rem);
    min-width: 140px;
    padding: 1rem;
  }
  .page-faq .faq-side-contact-card {
    flex: 1 1 100%;
  }
  .page-faq .faq-section {
    padding: 1.25rem 1rem 1.5rem;
  }
  .page-faq .faq-section-title {
    font-size: 1.15rem;
  }
  .page-faq .faq-question {
    padding: 0.85rem 1rem;
    font-size: 0.88rem;
  }
  .page-faq .faq-answer {
    padding: 0 1rem 1rem;
    font-size: 0.85rem;
  }
  .page-faq .faq-step-img {
    max-width: 100%;
  }
  .page-faq .faq-section-cta {
    text-align: left;
  }
  .page-faq .faq-context-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .page-faq .faq-trust {
    padding: 0.85rem 1rem;
  }
  .page-faq .faq-trust-inner {
    font-size: 0.78rem;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-index-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-faq .faq-side-card {
    flex: 1 1 100%;
  }
  .page-faq .faq-headline {
    font-size: 1.8rem;
  }
  .page-faq .faq-subtitle {
    font-size: 0.85rem;
  }
  .page-faq .faq-breadcrumb {
    font-size: 0.72rem;
  }
}

/* ===== 桌面优化 ===== */
@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 1fr 340px;
    gap: 2.5rem;
  }
  .page-faq .faq-masthead {
    padding: 4rem 0 2rem;
  }
  .page-faq .faq-section {
    padding: 2rem 2rem 2.25rem;
  }
  .page-faq .faq-index-grid {
    gap: 1rem;
  }
}
</style>

```