.page-faq {
  --faq-marker-green: #1F8B4C;
  --faq-marker-gold: #F5A623;
  --faq-marker-gray: #8FA0B0;
  --faq-border-color: rgba(31, 139, 76, 0.2);
  --faq-card-bg: rgba(18, 30, 45, 0.7);
  --faq-card-hover-bg: rgba(28, 46, 68, 0.85);
  --faq-radius: 12px;
  --faq-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);

  display: block;
  width: 100%;
  background-color: var(--color-primary, #0A1F3D);
  color: var(--color-text-primary, #E8EDF4);
  font: var(--font-body, 300 1rem/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif);
}

/* ===== 面包屑 ===== */
.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-secondary, #8FA0B0);
  margin-bottom: 1rem;
  padding-top: 0.5rem;
}
.page-faq .faq-breadcrumb a {
  color: var(--color-text-secondary, #8FA0B0);
  text-decoration: none;
  transition: color var(--faq-transition);
  position: relative;
}
.page-faq .faq-breadcrumb a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 1px;
  background-color: var(--faq-marker-gold);
  transition: width var(--faq-transition);
}
.page-faq .faq-breadcrumb a:hover {
  color: var(--faq-marker-gold);
}
.page-faq .faq-breadcrumb a:hover::after {
  width: 100%;
}
.page-faq .faq-breadcrumb-sep {
  color: var(--color-border, rgba(31, 139, 76, 0.25));
  font-weight: 300;
}
.page-faq .faq-breadcrumb [aria-current="page"] {
  color: var(--color-text-primary, #E8EDF4);
  font-weight: 400;
}

/* ===== 英雄区 ===== */
.page-faq .faq-hero {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--faq-border-color);
  position: relative;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-hero, linear-gradient(135deg, #0A1F3D, #1F8B4C));
  opacity: 0.6;
}
.page-faq .faq-hero-title {
  font: var(--font-heading, 700 2.25rem/1.2 -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif);
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  letter-spacing: -0.015em;
  margin: 0 0 0.5rem;
  background: linear-gradient(135deg, #E8EDF4 60%, #F5A623);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-faq .faq-hero-desc {
  color: var(--color-text-secondary, #8FA0B0);
  font-size: 1rem;
  max-width: 640px;
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

/* ===== 分类索引（图例） ===== */
.page-faq .faq-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-bottom: 0.25rem;
}
.page-faq .faq-index-item {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.2rem 0.6rem 0.9rem;
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-border-color);
  border-radius: 40px;
  text-decoration: none;
  color: var(--color-text-primary, #E8EDF4);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background var(--faq-transition), border-color var(--faq-transition), transform var(--faq-transition);
  cursor: pointer;
  position: relative;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
.page-faq .faq-index-item:hover {
  background: var(--faq-card-hover-bg);
  border-color: rgba(245, 166, 35, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}
.page-faq .faq-index-item:focus-visible {
  outline: 2px solid var(--faq-marker-gold);
  outline-offset: 2px;
}
.page-faq .faq-index-marker {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.15);
}
.page-faq .faq-index-label {
  white-space: nowrap;
}
.page-faq .faq-index-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 30px;
  background: rgba(245, 166, 35, 0.15);
  color: var(--faq-marker-gold);
  font: var(--font-data, 400 0.8125rem/1.4 "Roboto Mono", "SF Mono", "Fira Code", "Consolas", monospace);
  font-size: 0.75rem;
}

/* ===== 板块通用 ===== */
.page-faq .faq-sections {
  padding-top: 2rem;
  padding-bottom: 3rem;
}
.page-faq .faq-section {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--faq-border-color);
  padding-bottom: 2rem;
}
.page-faq .faq-section:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.page-faq .faq-section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.4rem;
}
.page-faq .faq-section-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--faq-card-bg);
  padding: 0.25rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--faq-border-color);
}
.page-faq .faq-section-title {
  font: var(--font-heading, 700 2.25rem/1.2 -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif);
  font-size: clamp(1.35rem, 3.5vw, 1.75rem);
  margin: 0;
  letter-spacing: -0.01em;
  color: var(--color-text-primary, #E8EDF4);
}
.page-faq .faq-section-desc {
  color: var(--color-text-secondary, #8FA0B0);
  font-size: 0.9rem;
  margin: 0.25rem 0 1.25rem 0;
  line-height: 1.5;
  padding-left: calc(48px + 1rem);
}

/* ===== 折叠问答列表 ===== */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.page-faq .faq-item {
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-border-color);
  border-radius: var(--faq-radius);
  overflow: hidden;
  transition: background var(--faq-transition), border-color var(--faq-transition);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}
.page-faq .faq-item:hover {
  background: var(--faq-card-hover-bg);
  border-color: rgba(31, 139, 76, 0.35);
}
.page-faq .faq-item[open] {
  background: rgba(28, 46, 68, 0.75);
  border-color: rgba(245, 166, 35, 0.25);
}
.page-faq .faq-question {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--color-text-primary, #E8EDF4);
  list-style: none;
  user-select: none;
  transition: color var(--faq-transition);
  position: relative;
}
.page-faq .faq-question::-webkit-details-marker {
  display: none;
}
.page-faq .faq-question::marker {
  display: none;
  content: "";
}
.page-faq .faq-item[open] .faq-question {
  color: var(--faq-marker-gold);
}
.page-faq .faq-q-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(31, 139, 76, 0.2);
  color: var(--faq-marker-green);
  font: var(--font-data, 400 0.875rem/1.4 "Roboto Mono", "SF Mono", "Fira Code", "Consolas", monospace);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: background var(--faq-transition), color var(--faq-transition);
}
.page-faq .faq-item[open] .faq-q-marker {
  background: rgba(245, 166, 35, 0.2);
  color: var(--faq-marker-gold);
}
.page-faq .faq-q-text {
  flex: 1;
}
.page-faq .faq-q-toggle {
  display: inline-block;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  position: relative;
  transition: transform var(--faq-transition);
}
.page-faq .faq-q-toggle::before,
.page-faq .faq-q-toggle::after {
  content: "";
  position: absolute;
  background: var(--color-text-secondary, #8FA0B0);
  border-radius: 2px;
  transition: background var(--faq-transition), transform var(--faq-transition);
}
.page-faq .faq-q-toggle::before {
  top: 8px;
  left: 2px;
  width: 14px;
  height: 2px;
}
.page-faq .faq-q-toggle::after {
  top: 2px;
  left: 8px;
  width: 2px;
  height: 14px;
}
.page-faq .faq-item[open] .faq-q-toggle {
  transform: rotate(45deg);
}
.page-faq .faq-item[open] .faq-q-toggle::before,
.page-faq .faq-item[open] .faq-q-toggle::after {
  background: var(--faq-marker-gold);
}

/* ===== 答案内容 ===== */
.page-faq .faq-answer {
  padding: 0 1.25rem 1.25rem;
  color: var(--color-text-secondary, #8FA0B0);
  font-size: 0.9rem;
  line-height: 1.7;
  animation: faqFadeIn 0.4s ease-out;
}
.page-faq .faq-answer p {
  margin: 0 0 0.75rem;
}
.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-answer a {
  color: var(--faq-marker-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--faq-transition), color var(--faq-transition);
}
.page-faq .faq-answer a:hover {
  border-bottom-color: var(--faq-marker-gold);
  color: #f7b944;
}
.page-faq .faq-answer-img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-top: 1rem;
  border: 1px solid var(--faq-border-color);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  object-fit: cover;
}

/* ===== 更多帮助 ===== */
.page-faq .faq-more-help {
  margin-top: 2.5rem;
  padding: 1.5rem 1.75rem;
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-border-color);
  border-radius: var(--faq-radius);
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.page-faq .faq-more-help p {
  margin: 0;
  color: var(--color-text-secondary, #8FA0B0);
  font-size: 0.95rem;
}
.page-faq .faq-more-help a {
  color: var(--faq-marker-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--faq-transition);
}
.page-faq .faq-more-help a:hover {
  border-bottom-color: var(--faq-marker-gold);
}

/* ===== 动画 ===== */
@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== 响应式：窄屏 ===== */
@media (max-width: 639px) {
  .page-faq .faq-hero {
    padding: 1.25rem 0 1rem;
  }
  .page-faq .faq-hero-desc {
    font-size: 0.875rem;
  }
  .page-faq .faq-index {
    gap: 0.5rem;
  }
  .page-faq .faq-index-item {
    padding: 0.45rem 1rem 0.45rem 0.7rem;
    font-size: 0.8rem;
    gap: 0.4rem;
  }
  .page-faq .faq-index-label {
    white-space: normal;
    word-break: break-all;
  }
  .page-faq .faq-index-count {
    display: none;
  }
  .page-faq .faq-section-header {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .page-faq .faq-section-icon {
    width: 36px;
    height: 36px;
  }
  .page-faq .faq-section-desc {
    padding-left: 0;
    font-size: 0.85rem;
  }
  .page-faq .faq-question {
    padding: 0.8rem 1rem;
    font-size: 0.875rem;
    gap: 0.5rem;
  }
  .page-faq .faq-answer {
    padding: 0 1rem 1rem;
    font-size: 0.85rem;
  }
  .page-faq .faq-more-help {
    padding: 1.1rem 1.25rem;
    font-size: 0.85rem;
  }
  .page-faq .faq-q-toggle {
    width: 16px;
    height: 16px;
  }
  .page-faq .faq-q-toggle::before {
    top: 7px;
    width: 12px;
  }
  .page-faq .faq-q-toggle::after {
    left: 7px;
    height: 12px;
  }
}

/* ===== 响应式：桌面 ===== */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 2.5rem 0 1.75rem;
  }
  .page-faq .faq-hero-title {
    font-size: 2.5rem;
  }
  .page-faq .faq-hero-desc {
    font-size: 1.05rem;
  }
  .page-faq .faq-index {
    gap: 1rem;
  }
  .page-faq .faq-index-item {
    padding: 0.7rem 1.5rem 0.7rem 1rem;
    font-size: 0.95rem;
    gap: 0.7rem;
  }
  .page-faq .faq-section {
    margin-bottom: 3rem;
    padding-bottom: 2.5rem;
  }
  .page-faq .faq-section-icon {
    width: 56px;
    height: 56px;
  }
  .page-faq .faq-section-desc {
    font-size: 0.95rem;
    padding-left: calc(56px + 1.2rem);
  }
  .page-faq .faq-question {
    padding: 1.1rem 1.5rem;
    font-size: 1rem;
  }
  .page-faq .faq-answer {
    padding: 0 1.5rem 1.25rem;
    font-size: 0.925rem;
  }
  .page-faq .faq-list {
    gap: 0.875rem;
  }
  .page-faq .faq-more-help {
    padding: 1.75rem 2rem;
    font-size: 0.95rem;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-sections {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
  }
  .page-faq .faq-hero .container {
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
  }
  .page-faq .faq-section-icon {
    width: 64px;
    height: 64px;
  }
  .page-faq .faq-section-desc {
    padding-left: calc(64px + 1.5rem);
  }
}