/* =============================================
   page-faq.css — 常见问题页面专属样式
   所有选择器限定在 .page-faq 作用域内
   ============================================= */
.page-faq {
  --faq-menu-width: 270px;
  --faq-gap: 2rem;
  --faq-radius: var(--radius-md);
  --faq-transition: var(--transition-med);

  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1rem 2.5rem;
  position: relative;
  color: var(--charcoal);
  font-family: var(--font-body);
}

/* ---- 面包屑 ---- */
.page-faq .breadcrumb {
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
  color: var(--grey-text);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.page-faq .breadcrumb a {
  color: var(--deep-green);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--gold);
  text-decoration: underline;
}
.page-faq .breadcrumb .sep {
  color: var(--grey-text);
  font-family: var(--font-mono);
}
.page-faq .breadcrumb [aria-current="page"] {
  font-weight: 600;
  color: var(--charcoal);
}

/* ---- 标题行 ---- */
.page-faq .faq-header {
  margin-bottom: 2rem;
}
.page-faq .faq-title-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-bottom: 3px solid var(--gold);
  padding-bottom: 0.65rem;
}
.page-faq .faq-title-text h1 {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.2rem 0;
  color: var(--deep-green);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.page-faq .faq-subtitle {
  font-size: 0.95rem;
  color: var(--grey-text);
  margin: 0;
  font-weight: 400;
}
.page-faq .faq-deco-img {
  border-radius: var(--radius-sm);
  opacity: 0.7;
  flex-shrink: 0;
  max-width: 160px;
  height: auto;
  object-fit: contain;
}

/* ---- 主体布局 (移动端默认：上下) ---- */
.page-faq .faq-layout {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
}

/* ---- 左侧菜单 (移动端：水平标签) ---- */
.page-faq .faq-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  background: var(--light-green-bg);
  padding: 0.75rem;
  border-radius: var(--faq-radius);
  border: 1px solid rgba(11, 78, 46, 0.12);
}
.page-faq .faq-menu-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--deep-green);
  background: transparent;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  position: relative;
}
/* 金色圆点指示 */
.page-faq .faq-menu-item::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  background: transparent;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.page-faq .faq-menu-item:hover,
.page-faq .faq-menu-item:focus-visible {
  background: rgba(255, 215, 0, 0.15);
  border-color: var(--gold);
  outline: none;
}
.page-faq .faq-menu-item:hover::before,
.page-faq .faq-menu-item:focus-visible::before {
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.3);
}

/* ---- 控制面板切换 (radio hack) ---- */
.page-faq .faq-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
  opacity: 0;
}
/* 默认显示第一个面板 */
.page-faq .faq-panel {
  display: none;
  animation: faqFadeIn 0.45s ease forwards;
}
#faq-cat-1:checked ~ .faq-layout .faq-panel#faq-panel-1,
#faq-cat-2:checked ~ .faq-layout .faq-panel#faq-panel-2,
#faq-cat-3:checked ~ .faq-layout .faq-panel#faq-panel-3 {
  display: block;
}
/* 选中菜单高亮 */
#faq-cat-1:checked ~ .faq-layout .faq-menu label[for="faq-cat-1"],
#faq-cat-2:checked ~ .faq-layout .faq-menu label[for="faq-cat-2"],
#faq-cat-3:checked ~ .faq-layout .faq-menu label[for="faq-cat-3"] {
  background: var(--gold);
  color: var(--charcoal);
  border-color: var(--gold);
}
#faq-cat-1:checked ~ .faq-layout .faq-menu label[for="faq-cat-1"]::before,
#faq-cat-2:checked ~ .faq-layout .faq-menu label[for="faq-cat-2"]::before,
#faq-cat-3:checked ~ .faq-layout .faq-menu label[for="faq-cat-3"]::before {
  background: var(--charcoal);
  border-color: var(--charcoal);
}

@keyframes faqFadeIn {
  0% { opacity: 0; transform: translateY(8px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ---- 右侧面板 ---- */
.page-faq .faq-panel-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--deep-green);
  margin: 0 0 1.2rem 0;
  padding-bottom: 0.4rem;
  border-bottom: 2px dashed rgba(11, 78, 46, 0.2);
}

/* ---- 折叠问答项 ---- */
.page-faq .faq-item {
  border: 1px solid rgba(11, 78, 46, 0.12);
  border-radius: var(--faq-radius);
  margin-bottom: 0.85rem;
  overflow: hidden;
  background: var(--white);
  transition: box-shadow var(--transition-fast);
}
.page-faq .faq-item:hover {
  box-shadow: var(--shadow-card);
}
.page-faq .faq-item[open] {
  box-shadow: 0 4px 20px rgba(11, 78, 46, 0.08);
}

.page-faq .faq-q {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 1rem 1.2rem;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--deep-green);
  cursor: pointer;
  list-style: none;
  transition: background var(--transition-fast);
  position: relative;
}
.page-faq .faq-q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-q::marker {
  display: none;
  content: "";
}
/* 自定义展开/折叠指示器 */
.page-faq .faq-q::after {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-left: auto;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 300;
  line-height: 1;
  color: var(--gold);
  border: 2px solid var(--gold);
  border-radius: 50%;
  transition: all var(--transition-fast);
}
.page-faq .faq-item[open] .faq-q::after {
  content: "−";
  background: var(--gold);
  color: var(--charcoal);
}
.page-faq .faq-q:hover {
  background: rgba(255, 215, 0, 0.08);
}
.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

/* ---- 答案区域 (玻璃卡片 + 浅绿背景) ---- */
.page-faq .faq-answer {
  padding: 1.2rem 1.5rem 1.5rem;
  background: var(--gold-light);
  border-top: 1px solid rgba(255, 215, 0, 0.3);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  background: rgba(255, 248, 220, 0.88);
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--charcoal);
  border-radius: 0 0 var(--faq-radius) var(--faq-radius);
}
.page-faq .faq-answer p {
  margin: 0 0 0.75rem 0;
}
.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-answer strong {
  color: var(--deep-green);
  font-weight: 600;
}
.page-faq .faq-answer a {
  color: var(--deep-green);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}
.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--gold);
  text-decoration: none;
}

/* ---- 问答中的图片 ---- */
.page-faq .faq-img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  margin: 1rem 0 0.5rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  object-fit: cover;
}

/* ---- 一路锁定图标 ---- */
.page-faq .faq-lock-icon {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 2px solid var(--gold);
  border-radius: 4px;
  position: relative;
  animation: faqLockPulse 2s ease-in-out infinite;
  margin-top: 0.5rem;
}
.page-faq .faq-lock-icon::after {
  content: "🔒";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1;
}
@keyframes faqLockPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(255, 215, 0, 0); }
}

/* ---- 联系方式列表 ---- */
.page-faq .faq-contact-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-faq .faq-contact-list li {
  padding: 0.55rem 0.8rem;
  background: rgba(11, 78, 46, 0.04);
  border-left: 4px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.96rem;
}
.page-faq .faq-contact-list li strong {
  color: var(--deep-green);
  display: inline-block;
  min-width: 6em;
}
.page-faq .faq-contact-list a {
  color: var(--deep-green);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.page-faq .faq-contact-list a:hover,
.page-faq .faq-contact-list a:focus-visible {
  color: var(--gold);
}
.page-faq .faq-contact-note {
  font-size: 0.9rem;
  color: var(--grey-text);
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px dashed rgba(11, 78, 46, 0.12);
}

/* ---- 信任声明 ---- */
.page-faq .faq-trust {
  margin-top: 2.5rem;
  padding: 1rem 0 0;
  text-align: center;
  font-size: 0.95rem;
  color: var(--deep-green);
  font-weight: 500;
  letter-spacing: 0.04em;
  border-top: 1px solid rgba(11, 78, 46, 0.1);
}

/* =============================================
   桌面端 (min-width: 768px)
   ============================================= */
@media (min-width: 768px) {
  .page-faq {
    padding: 2rem 2rem 3rem;
  }
  .page-faq .faq-title-text h1 {
    font-size: 2.8rem;
  }
  .page-faq .faq-deco-img {
    max-width: 200px;
  }

  .page-faq .faq-layout {
    flex-direction: row;
    align-items: flex-start;
  }

  /* 左侧菜单 (垂直) */
  .page-faq .faq-menu {
    width: var(--faq-menu-width);
    flex-shrink: 0;
    flex-direction: column;
    padding: 1rem;
    position: sticky;
    top: calc(var(--header-height) + 1rem);
    gap: 0.35rem;
  }
  .page-faq .faq-menu-item {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    width: 100%;
    border-radius: var(--radius-sm);
  }
  .page-faq .faq-menu-item::before {
    width: 12px;
    height: 12px;
  }

  /* 右侧内容区 */
  .page-faq .faq-content {
    flex: 1;
    min-width: 0;
  }
  .page-faq .faq-panel-title {
    font-size: 1.8rem;
  }
  .page-faq .faq-q {
    font-size: 1.1rem;
    padding: 1.1rem 1.4rem;
  }
  .page-faq .faq-answer {
    padding: 1.4rem 1.8rem 1.8rem;
    font-size: 1rem;
  }
}

/* =============================================
   桌面宽屏 (min-width: 1024px)
   ============================================= */
@media (min-width: 1024px) {
  .page-faq {
    padding: 2.5rem 2rem 4rem;
  }
  .page-faq .faq-title-text h1 {
    font-size: 3.2rem;
  }
  .page-faq .faq-menu {
    width: 300px;
    padding: 1.25rem;
  }
  .page-faq .faq-menu-item {
    font-size: 1.05rem;
    padding: 0.85rem 1.2rem;
  }
  .page-faq .faq-img {
    max-width: 90%;
  }
}

/* =============================================
   窄屏微调 (max-width: 480px)
   ============================================= */
@media (max-width: 480px) {
  .page-faq {
    padding: 1rem 0.75rem 2rem;
  }
  .page-faq .faq-title-text h1 {
    font-size: 1.7rem;
  }
  .page-faq .faq-subtitle {
    font-size: 0.82rem;
  }
  .page-faq .faq-deco-img {
    max-width: 100px;
  }
  .page-faq .faq-menu-item {
    font-size: 0.82rem;
    padding: 0.45rem 0.8rem;
  }
  .page-faq .faq-q {
    font-size: 0.92rem;
    padding: 0.75rem 1rem;
  }
  .page-faq .faq-q::after {
    width: 22px;
    height: 22px;
    font-size: 1.1rem;
  }
  .page-faq .faq-answer {
    padding: 0.9rem 1rem 1.2rem;
    font-size: 0.9rem;
  }
  .page-faq .faq-contact-list li {
    font-size: 0.88rem;
    padding: 0.4rem 0.6rem;
  }
  .page-faq .faq-contact-list li strong {
    min-width: 4.5em;
  }
}