/* ===== 问答中心专属样式 ===== */
.page-faq {
  display: block;
  background-color: var(--winter-white, #F8F9FA);
  font-family: var(--font-body, 'Noto Serif SC', 'Songti SC', 'Times New Roman', serif);
  color: var(--slate, #2C3E50);
  line-height: 1.6;
}

/* ---- 容器覆盖 ---- */
.page-faq .container {
  max-width: var(--content-max-width, 1200px);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* ---- 英雄区 ---- */
.page-faq__hero {
  padding: 2rem 0 1rem;
  position: relative;
  overflow: hidden;
}

.page-faq__hero::after {
  content: '';
  position: absolute;
  right: -5%;
  top: -10%;
  width: 30%;
  height: 80%;
  background: linear-gradient(135deg, transparent 40%, rgba(126,200,80,0.08) 60%, rgba(46,134,193,0.06) 80%);
  transform: rotate(-12deg);
  pointer-events: none;
  z-index: 0;
}

.page-faq__breadcrumb {
  font-size: var(--font-size-small, 0.875rem);
  color: var(--rock-gray, #707070);
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
  position: relative;
  z-index: 1;
}

.page-faq__breadcrumb a {
  color: var(--slate, #2C3E50);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-faq__breadcrumb a:hover {
  color: var(--china-red, #D32F2F);
}

.page-faq__breadcrumb-sep {
  margin: 0 0.4em;
  color: var(--clay, #A67B5B);
}

.page-faq__title {
  font-family: var(--font-heading, 'Montserrat', 'Helvetica Neue', Arial, sans-serif);
  font-size: var(--font-size-h1, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--slate, #2C3E50);
  margin: 0 0 0.35rem;
  position: relative;
  z-index: 1;
  text-transform: uppercase;
}

.page-faq__title::after {
  content: '';
  display: block;
  width: 3rem;
  height: 4px;
  background: var(--china-red, #D32F2F);
  margin-top: 0.5rem;
  border-radius: 2px;
}

.page-faq__subtitle {
  font-size: 1.1rem;
  color: var(--rock-gray, #707070);
  margin: 0.5rem 0 1.5rem;
  font-weight: 300;
  position: relative;
  z-index: 1;
}

.page-faq__category-strip {
  position: relative;
  z-index: 1;
  margin-bottom: 0.5rem;
  border-radius: 6px;
  overflow: hidden;
  background: var(--winter-white, #F8F9FA);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  display: inline-block;
  max-width: 100%;
}

.page-faq__category-img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

/* ---- 手风琴区域 ---- */
.page-faq__accordion-wrap {
  padding-top: 0.5rem;
  padding-bottom: 2.5rem;
}

.page-faq__accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ---- 单个手风琴项 ---- */
.page-faq__item {
  border: none;
  border-radius: 8px;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.page-faq__item[open] {
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
}

.page-faq__item[open] .page-faq__toggle-icon {
  transform: rotate(45deg);
  color: var(--china-red, #D32F2F);
}

/* ---- 问题行 ---- */
.page-faq__question {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background-color 0.25s ease;
  position: relative;
}

.page-faq__question::-webkit-details-marker {
  display: none;
}

.page-faq__question::marker {
  display: none;
  content: '';
}

/* 悬停高亮 — 各季节色 */
.page-faq__item[data-season="spring"] .page-faq__question:hover {
  background-color: rgba(126, 200, 80, 0.08);
}

.page-faq__item[data-season="summer"] .page-faq__question:hover {
  background-color: rgba(46, 134, 193, 0.08);
}

.page-faq__item[data-season="autumn"] .page-faq__question:hover {
  background-color: rgba(230, 126, 34, 0.08);
}

.page-faq__item[data-season="winter"] .page-faq__question:hover {
  background-color: rgba(44, 62, 80, 0.05);
}

/* 展开时问题行背景微变 */
.page-faq__item[open] .page-faq__question {
  border-bottom: 1px solid rgba(166, 123, 91, 0.15);
}

/* ---- 季节标签 ---- */
.page-faq__season-tag {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px 2px 6px 2px;
  font-family: var(--font-heading, 'Montserrat', 'Helvetica Neue', Arial, sans-serif);
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-faq__item[open] .page-faq__season-tag {
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

.season-spring {
  background: var(--spring-green, #7EC850);
}

.season-summer {
  background: var(--summer-blue, #2E86C1);
}

.season-autumn {
  background: var(--autumn-orange, #E67E22);
}

.season-winter {
  background: var(--slate, #2C3E50);
}

/* ---- 问题文字 ---- */
.page-faq__q-text {
  flex: 1;
  font-family: var(--font-heading, 'Montserrat', 'Helvetica Neue', Arial, sans-serif);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--slate, #2C3E50);
  line-height: 1.3;
  letter-spacing: 0.01em;
}

/* ---- 展开图标 ---- */
.page-faq__toggle-icon {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--rock-gray, #707070);
  transition: transform 0.35s ease, color 0.25s ease;
  line-height: 1;
}

/* ---- 答案区域 ---- */
.page-faq__answer {
  background: var(--winter-white, #F8F9FA);
  position: relative;
  overflow: hidden;
}

/* 斜线分割装饰 */
.page-faq__answer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 8px,
    rgba(166, 123, 91, 0.04) 8px,
    rgba(166, 123, 91, 0.04) 9px
  );
  pointer-events: none;
  z-index: 0;
}

/* 左上角斜切色块 */
.page-faq__answer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3.2rem;
  height: 3.2rem;
  background: linear-gradient(135deg, var(--clay, #A67B5B) 0%, var(--clay, #A67B5B) 50%, transparent 50.5%);
  opacity: 0.12;
  pointer-events: none;
  z-index: 1;
}

.page-faq__answer-inner {
  position: relative;
  z-index: 2;
  padding: 1.25rem 1.25rem 1.5rem;
}

.page-faq__answer-inner p {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  color: var(--slate, #2C3E50);
  line-height: 1.7;
}

.page-faq__answer-inner p:last-of-type {
  margin-bottom: 0;
}

.page-faq__answer-img-box {
  margin: 1rem 0 0.5rem;
  border-radius: 6px;
  overflow: hidden;
  background: #eee;
  max-width: 100%;
}

.page-faq__flow-img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.page-faq__action-hint {
  margin-top: 0.75rem;
}

.page-faq__action-hint .btn {
  display: inline-block;
  padding: 0.5rem 1.4rem;
  font-family: var(--font-heading, 'Montserrat', 'Helvetica Neue', Arial, sans-serif);
  font-weight: 700;
  font-size: 0.85rem;
  color: #ffffff;
  background: var(--china-red, #D32F2F);
  border: none;
  border-radius: 4px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: background 0.25s ease, transform 0.15s ease, box-shadow 0.25s ease;
  cursor: pointer;
}

.page-faq__action-hint .btn:hover,
.page-faq__action-hint .btn:focus-visible {
  background: #b71c1c;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(211, 47, 47, 0.25);
}

/* ---- CTA 底部 ---- */
.page-faq__cta {
  background: var(--slate, #2C3E50);
  padding: 2rem 0;
  text-align: center;
  margin-top: 1rem;
}

.page-faq__cta-text {
  font-family: var(--font-heading, 'Montserrat', 'Helvetica Neue', Arial, sans-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--winter-white, #F8F9FA);
  margin: 0 0 1rem;
  letter-spacing: 0.02em;
}

.page-faq__cta-btn {
  display: inline-block;
  padding: 0.65rem 2.2rem;
  font-family: var(--font-heading, 'Montserrat', 'Helvetica Neue', Arial, sans-serif);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--winter-white, #F8F9FA);
  background: var(--china-red, #D32F2F);
  border: 2px solid var(--china-red, #D32F2F);
  border-radius: 6px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: background 0.25s ease, color 0.25s ease, transform 0.15s ease;
  cursor: pointer;
}

.page-faq__cta-btn:hover,
.page-faq__cta-btn:focus-visible {
  background: transparent;
  color: var(--china-red, #D32F2F);
  transform: translateY(-2px);
}

/* ---- 响应式：桌面 ---- */
@media (min-width: 768px) {
  .page-faq__hero {
    padding: 3rem 0 1.5rem;
  }

  .page-faq__title {
    font-size: 3.2rem;
  }

  .page-faq__title::after {
    width: 4rem;
  }

  .page-faq__subtitle {
    font-size: 1.25rem;
  }

  .page-faq__accordion {
    gap: 1rem;
  }

  .page-faq__question {
    padding: 1.25rem 1.75rem;
  }

  .page-faq__q-text {
    font-size: 1.15rem;
  }

  .page-faq__season-tag {
    width: 2.4rem;
    height: 2.4rem;
    font-size: 1rem;
  }

  .page-faq__answer-inner {
    padding: 1.5rem 2rem 2rem;
  }

  .page-faq__answer-inner p {
    font-size: 1.05rem;
  }

  .page-faq__cta {
    padding: 2.5rem 0;
  }

  .page-faq__cta-text {
    font-size: 1.35rem;
  }
}

@media (min-width: 1024px) {
  .page-faq__hero {
    padding: 4rem 0 2rem;
  }

  .page-faq__title {
    font-size: 3.6rem;
  }

  .page-faq__accordion {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-faq__question {
    padding: 1.25rem 2rem;
  }

  .page-faq__answer-inner {
    padding: 2rem 2.5rem 2.2rem;
  }
}

/* ---- 动效减少支持 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-faq__item,
  .page-faq__question,
  .page-faq__season-tag,
  .page-faq__toggle-icon,
  .page-faq__action-hint .btn,
  .page-faq__cta-btn {
    transition: none !important;
    transform: none !important;
  }

  .page-faq__item[open] .page-faq__season-tag {
    transform: none;
  }

  .page-faq__item[open] .page-faq__toggle-icon {
    transform: rotate(45deg);
  }
}