/* ===== 页面作用域：.page-faq ===== */
.page-faq {
  --faq-tab-gap: 0.75rem;
  --faq-radius: 12px;
  --faq-border-color: var(--border-subtle);
  --faq-active-border: var(--primary-red);
  --faq-shadow: 0 2px 8px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
  --faq-shadow-hover: 0 4px 16px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.03);
  --faq-transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --faq-section-gap: 2.5rem;
  position: relative;
  background: var(--bg-light);
  color: var(--text-dark);
  font-family: var(--font-body);
  line-height: 1.6;
  padding: 0 1rem 3rem;
}

/* 面包屑 */
.faq-breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto 1.5rem;
  padding: 1rem 0 0;
  font-size: 0.85rem;
  color: #888;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.faq-breadcrumb a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: color var(--faq-transition);
}
.faq-breadcrumb a:hover {
  color: var(--primary-red);
}
.faq-breadcrumb-sep {
  color: var(--accent-gold);
  font-weight: bold;
}

/* 页面标题区 */
.faq-hero {
  max-width: var(--max-width);
  margin: 0 auto 2rem;
  padding: 2rem 0 1rem;
  border-bottom: 3px solid var(--primary-blue);
  position: relative;
}
.faq-hero::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 80px;
  height: 3px;
  background: var(--primary-red);
}
.faq-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5.5vw, 3.2rem);
  letter-spacing: -0.02em;
  color: var(--primary-blue);
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  line-height: 1.1;
}
.faq-hero-desc {
  font-size: 1rem;
  color: #555;
  max-width: 720px;
  margin: 0 0 1.25rem;
  line-height: 1.7;
}

/* 搜索框 */
.faq-search-wrap {
  position: relative;
  max-width: 480px;
}
.faq-search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.8rem;
  border: 2px solid var(--faq-border-color);
  border-radius: 60px;
  font-size: 1rem;
  font-family: var(--font-body);
  background: #fff;
  transition: border-color var(--faq-transition), box-shadow var(--faq-transition);
  box-sizing: border-box;
  -webkit-appearance: none;
  appearance: none;
}
.faq-search-input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(30,91,158,0.12);
}
.faq-search-input::placeholder {
  color: #bbb;
}
.faq-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: #aaa;
  pointer-events: none;
  display: flex;
  align-items: center;
}

/* 分类标签（横向滚动） */
.faq-tabs-wrapper {
  max-width: var(--max-width);
  margin: 0 auto 2rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 0.25rem 0;
}
.faq-tabs-wrapper::-webkit-scrollbar {
  display: none;
}
.faq-tabs {
  display: flex;
  gap: var(--faq-tab-gap);
  padding: 0 0 0.25rem;
  min-width: max-content;
}
.faq-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem 0.5rem 0.75rem;
  background: #fff;
  border: 2px solid var(--faq-border-color);
  border-radius: 60px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: #555;
  cursor: pointer;
  transition: all var(--faq-transition);
  white-space: nowrap;
  box-shadow: var(--faq-shadow);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.faq-tab:hover {
  border-color: var(--accent-gold);
  color: var(--text-dark);
  box-shadow: var(--faq-shadow-hover);
}
.faq-tab.active {
  background: var(--primary-blue);
  border-color: var(--primary-blue);
  color: var(--text-light);
  box-shadow: 0 3px 12px rgba(30,91,158,0.25);
}
.faq-tab.active .faq-tab-icon {
  filter: brightness(0) invert(1);
}
.faq-tab-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
  border-radius: 4px;
  flex-shrink: 0;
  transition: filter var(--faq-transition);
}

/* 面板容器 */
.faq-panel {
  display: none;
  max-width: var(--max-width);
  margin: 0 auto;
}
.faq-panel.active {
  display: block;
  animation: faqFadeIn 0.35s ease both;
}
@keyframes faqFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 每个分类区块 */
.faq-section {
  margin-bottom: var(--faq-section-gap);
  scroll-margin-top: 2rem;
}
.faq-section-heading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  letter-spacing: -0.01em;
  color: var(--primary-blue);
  margin: 0 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px dashed var(--accent-gold);
  line-height: 1.2;
}
.faq-section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  background: var(--primary-red);
  color: var(--text-light);
  font-size: 0.9rem;
  font-family: var(--font-heading);
  border-radius: 50%;
  flex-shrink: 0;
}

/* 问题列表（accordion） */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--faq-border-color);
  border-radius: var(--faq-radius);
  box-shadow: var(--faq-shadow);
  transition: box-shadow var(--faq-transition), border-color var(--faq-transition);
  overflow: hidden;
}
.faq-item:hover {
  border-color: var(--accent-gold);
  box-shadow: var(--faq-shadow-hover);
}
.faq-item[open] {
  border-color: var(--primary-blue);
  box-shadow: 0 3px 12px rgba(30,91,158,0.08);
}

/* 问题标题（可点击） */
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  transition: background var(--faq-transition);
}
.faq-question::-webkit-details-marker {
  display: none;
}
.faq-question::-moz-list-bullet {
  list-style: none;
}
.faq-item[open] .faq-question {
  background: rgba(30,91,158,0.04);
}
.faq-q-text {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.4;
  flex: 1;
}
.faq-toggle-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform var(--faq-transition);
}
.faq-toggle-icon::before,
.faq-toggle-icon::after {
  content: '';
  position: absolute;
  background: var(--primary-blue);
  border-radius: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: transform var(--faq-transition);
}
.faq-toggle-icon::before {
  width: 2px;
  height: 14px;
}
.faq-toggle-icon::after {
  width: 14px;
  height: 2px;
}
.faq-item[open] .faq-toggle-icon {
  transform: rotate(45deg);
}
.faq-item[open] .faq-toggle-icon::before {
  transform: translate(-50%, -50%) scaleY(0);
}

/* 答案内容 */
.faq-answer {
  padding: 0 1.25rem 1.25rem;
  color: #444;
  font-size: 0.95rem;
  line-height: 1.7;
  border-top: 1px solid var(--faq-border-color);
  animation: faqAnswerIn 0.3s ease both;
}
@keyframes faqAnswerIn {
  from { opacity: 0; padding-top: 0.75rem; }
  to { opacity: 1; padding-top: 1rem; }
}
.faq-answer p {
  margin: 0.5rem 0;
}
.faq-answer a {
  color: var(--primary-red);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--faq-transition);
}
.faq-answer a:hover {
  color: var(--primary-blue);
}
.faq-step-img {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  margin: 1rem 0 0.25rem;
  border-radius: 8px;
  border: 1px solid var(--faq-border-color);
  object-fit: cover;
}

/* 联系引导块 */
.faq-cta-block {
  max-width: var(--max-width);
  margin: 2.5rem auto 0;
  background: linear-gradient(135deg, var(--primary-blue) 0%, #143d6b 100%);
  border-radius: var(--faq-radius);
  color: var(--text-light);
  padding: 2rem 2rem 2.5rem;
  position: relative;
  overflow: hidden;
}
.faq-cta-block::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 200px;
  height: 200px;
  background: rgba(242,201,76,0.08);
  border-radius: 50%;
  pointer-events: none;
}
.faq-cta-block::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: 20%;
  width: 120px;
  height: 120px;
  background: rgba(212,63,54,0.1);
  border-radius: 50%;
  pointer-events: none;
}
.faq-cta-inner {
  position: relative;
  z-index: 1;
}
.faq-cta-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.4rem;
  line-height: 1.2;
}
.faq-cta-desc {
  font-size: 1rem;
  opacity: 0.9;
  margin: 0 0 1.25rem;
  max-width: 400px;
  line-height: 1.6;
}
.faq-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 2rem;
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--primary-red);
  color: var(--text-light);
  border: none;
  border-radius: 60px;
  cursor: pointer;
  transition: background var(--faq-transition), transform var(--faq-transition), box-shadow var(--faq-transition);
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(212,63,54,0.3);
}
.faq-cta-btn:hover {
  background: #b8322b;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212,63,54,0.35);
}
.faq-cta-btn:focus-visible {
  outline: 3px solid var(--accent-gold);
  outline-offset: 2px;
}

/* ===== 响应式：移动端优先，桌面增强 ===== */
@media (min-width: 640px) {
  .page-faq {
    padding: 0 2rem 4rem;
  }
  .faq-hero {
    padding: 3rem 0 1.5rem;
  }
  .faq-hero-title {
    font-size: clamp(2.4rem, 4vw, 3.6rem);
  }
  .faq-hero-desc {
    font-size: 1.1rem;
  }
  .faq-tab {
    padding: 0.6rem 1.5rem 0.6rem 1rem;
    font-size: 1rem;
  }
  .faq-tab-icon {
    width: 28px;
    height: 28px;
  }
  .faq-section-heading {
    font-size: clamp(1.5rem, 2.8vw, 2rem);
  }
  .faq-q-text {
    font-size: 1.05rem;
  }
  .faq-answer {
    font-size: 1rem;
  }
  .faq-cta-block {
    padding: 2.5rem 3rem;
  }
  .faq-cta-title {
    font-size: 1.8rem;
  }
}

@media (min-width: 900px) {
  .page-faq {
    padding: 0 2.5rem 5rem;
  }
  .faq-hero {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 2rem;
  }
  .faq-hero-desc {
    max-width: 600px;
  }
  .faq-search-wrap {
    grid-column: 2;
    grid-row: 1 / 3;
    align-self: center;
    max-width: 360px;
    margin-left: auto;
  }
  .faq-tabs-wrapper {
    margin-bottom: 2.5rem;
  }
  .faq-tabs {
    gap: 1rem;
  }
  .faq-section {
    margin-bottom: 3rem;
  }
  .faq-list {
    gap: 1rem;
  }
  .faq-question {
    padding: 1.25rem 1.75rem;
  }
  .faq-answer {
    padding: 0 1.75rem 1.5rem;
  }
  .faq-cta-block {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 2rem;
    padding: 2.5rem 3.5rem;
    margin-top: 3.5rem;
  }
  .faq-cta-inner {
    display: contents;
  }
  .faq-cta-title {
    grid-column: 1;
    grid-row: 1;
  }
  .faq-cta-desc {
    grid-column: 1;
    grid-row: 2;
    margin-bottom: 0;
  }
  .faq-cta-btn {
    grid-column: 2;
    grid-row: 1 / 3;
    align-self: center;
    padding: 0.85rem 2.4rem;
    font-size: 1.05rem;
  }
}

/* 极小屏微调 */
@media (max-width: 380px) {
  .faq-tab {
    font-size: 0.82rem;
    padding: 0.4rem 1rem 0.4rem 0.5rem;
  }
  .faq-tab-icon {
    width: 20px;
    height: 20px;
  }
  .faq-section-num {
    width: 1.8rem;
    height: 1.8rem;
    font-size: 0.75rem;
  }
  .faq-q-text {
    font-size: 0.92rem;
  }
  .faq-answer {
    font-size: 0.9rem;
  }
  .faq-cta-block {
    padding: 1.5rem;
  }
}
</PAGE_CSS>