/* ===== page-faq 专属样式 ===== */
.page-faq {
  --faq-bg-card: var(--color-indigo, #2C1B4D);
  --faq-border-card: var(--color-gold, #D4AF37);
  --faq-number-color: var(--color-gold, #D4AF37);
  --faq-text-color: var(--color-white, #FFFFFF);
  --faq-answer-color: var(--color-light-gray, #E0E0E0);
  --faq-toggle-color: var(--color-neon-bluegreen, #00FFCC);
  --faq-link-color: var(--color-neon-bluegreen, #00FFCC);
  --faq-link-hover: var(--color-gold, #D4AF37);
  --faq-bg-pattern: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Ccircle cx='60' cy='60' r='36' fill='none' stroke='%23D4AF37' stroke-width='0.3' stroke-opacity='0.06'/%3E%3Cline x1='0' y1='60' x2='120' y2='60' stroke='%23D4AF37' stroke-width='0.2' stroke-opacity='0.05'/%3E%3Cline x1='60' y1='0' x2='60' y2='120' stroke='%23D4AF37' stroke-width='0.2' stroke-opacity='0.05'/%3E%3C/svg%3E");

  position: relative;
  padding: 1.5rem 1rem 3rem;
  background-color: var(--color-bg, #0B3D2C);
  background-image: var(--faq-bg-pattern);
  background-repeat: repeat;
  background-size: 120px 120px;
  min-height: 70vh;
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-nav, Oswald, sans-serif);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-dark-gray, #333333);
  margin-bottom: 1.5rem;
  padding: 0.4rem 0.8rem;
  background: rgba(255,255,255,0.04);
  border-radius: 4px;
}
.page-faq .breadcrumb a {
  color: var(--color-accent2, #00FFCC);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s);
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--color-accent, #D4AF37);
  text-decoration: underline;
}
.page-faq .breadcrumb .breadcrumb-sep {
  color: var(--color-dark-gray, #333333);
  user-select: none;
}
.page-faq .breadcrumb [aria-current="page"] {
  color: var(--color-light-gray, #E0E0E0);
}

/* 标题区 */
.page-faq .faq-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1.2rem;
  border-bottom: 2px solid var(--color-accent2, #00FFCC);
  border-image: linear-gradient(90deg, var(--color-accent2, #00FFCC), transparent) 1;
}
.page-faq .faq-header-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: contain;
  background: rgba(212,175,55,0.12);
  padding: 6px;
  box-shadow: 0 0 0 1px rgba(212,175,55,0.2);
  flex-shrink: 0;
}
.page-faq .faq-title {
  font-family: var(--font-heading, Oswald, sans-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-heading, #FFFFFF);
  letter-spacing: 0.02em;
  margin: 0;
  line-height: 1.15;
  text-transform: uppercase;
}
.page-faq .faq-desc {
  width: 100%;
  font-family: var(--font-body, Merriweather, serif);
  font-size: 0.95rem;
  color: var(--color-light-gray, #E0E0E0);
  margin: 0.2rem 0 0 0;
  line-height: 1.6;
  max-width: 600px;
}

/* 问题列表 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* 每个问题项 */
.page-faq .faq-item {
  background: var(--faq-bg-card);
  border: 1px solid rgba(212,175,55,0.2);
  border-radius: 8px;
  transition: border-color var(--transition-normal, 0.3s), box-shadow var(--transition-normal, 0.3s);
  overflow: hidden;
  position: relative;
}
.page-faq .faq-item:has(.faq-radio:checked) {
  border-color: var(--faq-border-card);
  box-shadow: 0 4px 20px rgba(212,175,55,0.1);
}

/* 隐藏 radio */
.page-faq .faq-radio {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* 问题标题 */
.page-faq .faq-question {
  margin: 0;
  font-family: var(--font-heading, Oswald, sans-serif);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--faq-text-color);
}
.page-faq .faq-question label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.2rem;
  cursor: pointer;
  transition: background var(--transition-fast, 0.2s);
  user-select: none;
}
.page-faq .faq-question label:hover {
  background: rgba(255,255,255,0.04);
}
.page-faq .faq-question label:focus-visible {
  outline: 2px dashed var(--color-accent, #D4AF37);
  outline-offset: -2px;
  border-radius: 6px;
}

/* 编号圆点 */
.page-faq .faq-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(212,175,55,0.12);
  color: var(--faq-number-color);
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
  border: 1px solid rgba(212,175,55,0.25);
  transition: background var(--transition-fast, 0.2s), border-color var(--transition-fast, 0.2s);
}
.page-faq .faq-item:has(.faq-radio:checked) .faq-number {
  background: var(--faq-number-color);
  color: var(--color-deep-green, #0B3D2C);
  border-color: var(--faq-number-color);
}

/* 问题文字 */
.page-faq .faq-text {
  flex: 1;
  min-width: 0;
}

/* 展开指示器 */
.page-faq .faq-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  flex-shrink: 0;
  color: var(--faq-toggle-color);
  transition: transform var(--transition-normal, 0.3s);
}
.page-faq .faq-toggle::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  line-height: 1;
  transition: transform var(--transition-normal, 0.3s);
}
.page-faq .faq-item:has(.faq-radio:checked) .faq-toggle::after {
  content: '−';
  transform: rotate(0deg);
}

/* 答案区域 */
.page-faq .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.3s ease-out;
  padding: 0 1.2rem 0 4rem;
  color: var(--faq-answer-color);
  font-family: var(--font-body, Merriweather, serif);
  font-size: 0.92rem;
  line-height: 1.7;
  border-top: 1px solid transparent;
}
.page-faq .faq-item:has(.faq-radio:checked) .faq-answer {
  max-height: 600px;
  padding-top: 1rem;
  padding-bottom: 1.2rem;
  border-top-color: rgba(212,175,55,0.12);
}
.page-faq .faq-answer p {
  margin: 0 0 0.6rem 0;
}
.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-answer a {
  color: var(--faq-link-color);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast, 0.2s), text-decoration var(--transition-fast, 0.2s);
}
.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--faq-link-hover);
  text-decoration: underline;
}

/* 答案中的步骤图 */
.page-faq .faq-step-img {
  display: block;
  max-width: 100%;
  height: auto;
  margin-top: 0.8rem;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: var(--shadow-sm, 0 2px 4px rgba(0,0,0,0.2));
  object-fit: cover;
  background: rgba(255,255,255,0.02);
}

/* 焦点可见指示 */
.page-faq .faq-radio:focus-visible + .faq-question label {
  outline: 2px dashed var(--color-accent, #D4AF37);
  outline-offset: -2px;
  border-radius: 6px;
}

/* ===== 桌面端适配 (≥768px) ===== */
@media (min-width: 768px) {
  .page-faq {
    padding: 2.5rem 2.5rem 4rem;
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
  }
  .page-faq .faq-header {
    margin-bottom: 3rem;
    padding-bottom: 1.5rem;
  }
  .page-faq .faq-title {
    font-size: 3rem;
  }
  .page-faq .faq-desc {
    font-size: 1rem;
  }
  .page-faq .faq-list {
    gap: 1rem;
  }
  .page-faq .faq-question {
    font-size: 1.2rem;
  }
  .page-faq .faq-question label {
    padding: 1.2rem 1.5rem;
  }
  .page-faq .faq-answer {
    padding-left: 4.5rem;
    padding-right: 1.5rem;
    font-size: 0.95rem;
  }
  .page-faq .faq-item:has(.faq-radio:checked) .faq-answer {
    padding-top: 1.2rem;
    padding-bottom: 1.5rem;
  }
  .page-faq .faq-number {
    width: 2.2rem;
    height: 2.2rem;
    font-size: 0.9rem;
  }
  .page-faq .faq-step-img {
    max-width: 360px;
  }
}

/* ===== 大桌面端 (≥1024px) ===== */
@media (min-width: 1024px) {
  .page-faq {
    padding: 3rem 3rem 5rem;
    max-width: 1080px;
  }
  .page-faq .faq-title {
    font-size: 3.5rem;
  }
  .page-faq .faq-list {
    gap: 1.2rem;
  }
  .page-faq .faq-question {
    font-size: 1.3rem;
  }
}

/* ===== 确保窄屏不溢出 ===== */
@media (max-width: 420px) {
  .page-faq {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  .page-faq .faq-header {
    gap: 0.5rem;
  }
  .page-faq .faq-title {
    font-size: 1.8rem;
  }
  .page-faq .faq-question label {
    padding: 0.85rem 0.9rem;
    gap: 0.5rem;
  }
  .page-faq .faq-number {
    width: 1.7rem;
    height: 1.7rem;
    font-size: 0.75rem;
  }
  .page-faq .faq-answer {
    padding-left: 3rem;
    padding-right: 0.9rem;
    font-size: 0.88rem;
  }
  .page-faq .faq-item:has(.faq-radio:checked) .faq-answer {
    padding-top: 0.8rem;
    padding-bottom: 1rem;
  }
}