/* ===== 页面专属：page-faq ===== */
.page-faq {
  --faq-hero-bg: var(--color-blue);
  --faq-hero-text: #ffffff;
  --faq-gold: var(--color-gold);
  --faq-red: var(--color-red);
  --faq-body-bg: var(--color-light);
  --faq-card-bg: #ffffff;
  --faq-card-shadow: 0 6px 20px rgba(0,0,0,0.08);
  --faq-radius: var(--radius-lg);
  --faq-transition: var(--transition);
  --faq-font-heading: var(--font-heading);
  --faq-font-body: var(--font-body);
  --faq-font-numeric: var(--font-numeric);
}

/* 容器统一 */
.page-faq .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 面包屑 ===== */
.page-faq .faq-breadcrumb {
  background: var(--faq-hero-bg);
  padding: 12px 20px 0;
  max-width: var(--max-width);
  margin: 0 auto;
}
.page-faq .faq-breadcrumb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  font-family: var(--faq-font-body);
  font-size: 0.85rem;
}
.page-faq .faq-breadcrumb-list li + li::before {
  content: "›";
  margin-right: 8px;
  color: rgba(255,255,255,0.6);
}
.page-faq .faq-breadcrumb-list a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  transition: color var(--faq-transition);
}
.page-faq .faq-breadcrumb-list a:hover,
.page-faq .faq-breadcrumb-list a:focus {
  color: var(--faq-gold);
}
.page-faq .faq-breadcrumb-list span {
  color: var(--faq-gold);
  font-weight: 600;
}

/* ===== 英雄区 ===== */
.page-faq .faq-hero {
  position: relative;
  background: var(--faq-hero-bg);
  overflow: hidden;
  padding: 40px 0 80px;
}
.page-faq .faq-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.page-faq .faq-hero-text {
  z-index: 2;
}
.page-faq .faq-hero-title {
  font-family: var(--faq-font-heading);
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--faq-hero-text);
  margin: 0 0 16px;
  line-height: 1.08;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.page-faq .faq-hero-desc {
  font-family: var(--faq-font-body);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.85);
  margin: 0;
  max-width: 480px;
  line-height: 1.6;
}
.page-faq .faq-hero-image {
  z-index: 2;
  display: flex;
  justify-content: flex-end;
}
.page-faq .faq-hero-img {
  width: 100%;
  max-width: 560px;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
  display: block;
}
/* 斜角切割装饰 */
.page-faq .faq-hero-angle {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background: var(--faq-body-bg);
  clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 100%);
  z-index: 1;
}

/* ===== 内容区 ===== */
.page-faq .faq-body {
  background: var(--faq-body-bg);
  padding: 40px 0 60px;
}
.page-faq .faq-body .container {
  position: relative;
  z-index: 2;
}

/* ===== 搜索框 ===== */
.page-faq .faq-search-wrap {
  position: relative;
  max-width: 480px;
  margin: 0 0 32px;
}
.page-faq .faq-search-input {
  width: 100%;
  padding: 14px 20px 14px 52px;
  font-family: var(--faq-font-body);
  font-size: 1rem;
  border: 2px solid transparent;
  border-radius: var(--faq-radius);
  background: var(--faq-card-bg);
  box-shadow: var(--faq-card-shadow);
  transition: border-color var(--faq-transition), box-shadow var(--faq-transition);
  outline: none;
  color: var(--color-text);
}
.page-faq .faq-search-input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.8;
}
.page-faq .faq-search-input:focus {
  border-color: var(--faq-red);
  box-shadow: 0 0 0 4px rgba(230,57,70,0.15);
}
.page-faq .faq-search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--color-text-secondary);
  pointer-events: none;
  line-height: 1;
}

/* ===== 分类标签 ===== */
.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}
.page-faq .faq-tag-link {
  display: inline-block;
  padding: 8px 28px;
  font-family: var(--faq-font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--faq-radius);
  background: var(--faq-card-bg);
  color: var(--color-text);
  text-decoration: none;
  box-shadow: var(--faq-card-shadow);
  transition: background var(--faq-transition), color var(--faq-transition), transform var(--faq-transition);
  cursor: pointer;
  border: none;
  line-height: 1.4;
}
.page-faq .faq-tag-link:hover,
.page-faq .faq-tag-link:focus {
  background: var(--faq-red);
  color: #ffffff;
  transform: translateY(-2px);
}
.page-faq .faq-tag-link.tag-gold {
  background: var(--faq-gold);
  color: #ffffff;
}
.page-faq .faq-tag-link.tag-gold:hover,
.page-faq .faq-tag-link.tag-gold:focus {
  background: var(--color-blue);
  color: #ffffff;
}

/* ===== 分组标题 ===== */
.page-faq .faq-group {
  margin-bottom: 48px;
  scroll-margin-top: 100px;
}
.page-faq .faq-group:last-of-type {
  margin-bottom: 0;
}
.page-faq .faq-group-title {
  font-family: var(--faq-font-heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-blue);
  margin: 0 0 20px;
  padding-bottom: 8px;
  border-bottom: 4px solid var(--faq-red);
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ===== 手风琴项 ===== */
.page-faq .faq-item {
  display: block;
  margin-bottom: 16px;
  border-radius: var(--faq-radius);
  background: var(--faq-card-bg);
  box-shadow: var(--faq-card-shadow);
  overflow: hidden;
  transition: box-shadow var(--faq-transition);
}
.page-faq .faq-item[open] {
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

/* 问题标题（summary） */
.page-faq .faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 28px;
  font-family: var(--faq-font-heading);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  font-weight: 600;
  color: #ffffff;
  background: var(--color-blue);
  cursor: pointer;
  list-style: none;
  transition: background var(--faq-transition);
  user-select: none;
  border-radius: var(--faq-radius);
}
.page-faq .faq-item[open] .faq-question {
  background: var(--faq-red);
  border-radius: var(--faq-radius) var(--faq-radius) 0 0;
}
/* 移除默认三角 */
.page-faq .faq-question::-webkit-details-marker {
  display: none;
}
.page-faq .faq-question::marker {
  display: none;
  content: "";
}

/* 问题图标（加号/减号） */
.page-faq .faq-question-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  position: relative;
  transition: transform var(--faq-transition);
}
.page-faq .faq-question-icon::before,
.page-faq .faq-question-icon::after {
  content: "";
  position: absolute;
  background: #ffffff;
  border-radius: 2px;
  transition: transform var(--faq-transition), opacity var(--faq-transition);
}
.page-faq .faq-question-icon::before {
  width: 16px;
  height: 3px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.page-faq .faq-question-icon::after {
  width: 3px;
  height: 16px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.page-faq .faq-item[open] .faq-question-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}
.page-faq .faq-item[open] .faq-question-icon {
  transform: rotate(180deg);
}

/* 答案区域 */
.page-faq .faq-answer {
  padding: 20px 28px 28px;
  font-family: var(--faq-font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--faq-card-bg);
  border-radius: 0 0 var(--faq-radius) var(--faq-radius);
}
.page-faq .faq-answer p {
  margin: 0 0 12px;
}
.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-answer-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  margin-top: 16px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.10);
  display: block;
}

/* 联系列表 */
.page-faq .faq-contact-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-faq .faq-contact-list li {
  font-family: var(--faq-font-body);
  font-size: 0.95rem;
  color: var(--color-text);
}
.page-faq .faq-contact-list strong {
  font-weight: 600;
  color: var(--color-blue);
}
.page-faq .faq-contact-note {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: 12px;
  font-style: italic;
}

/* ===== 底部 CTA ===== */
.page-faq .faq-cta {
  background: var(--color-blue);
  padding: 60px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-faq .faq-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 40px,
    rgba(255,255,255,0.03) 40px,
    rgba(255,255,255,0.03) 80px
  );
  pointer-events: none;
}
.page-faq .faq-cta-inner {
  position: relative;
  z-index: 2;
}
.page-faq .faq-cta-title {
  font-family: var(--faq-font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.page-faq .faq-cta-text {
  font-family: var(--faq-font-body);
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  margin: 0 0 28px;
}
.page-faq .faq-cta-btn {
  display: inline-block;
  padding: 16px 48px;
  font-family: var(--faq-font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--faq-radius);
  background: var(--faq-red);
  color: #ffffff;
  text-decoration: none;
  transition: background var(--faq-transition), transform var(--faq-transition), box-shadow var(--faq-transition);
  border: none;
  cursor: pointer;
  line-height: 1.2;
}
.page-faq .faq-cta-btn:hover,
.page-faq .faq-cta-btn:focus {
  background: #c92e3a;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(230,57,70,0.35);
}
.page-faq .faq-cta-btn:active {
  transform: translateY(0);
}

/* ===== 辅助 ===== */
.page-faq .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ===== 响应式 ===== */
/* 移动端优先：窄屏单列 */
@media (max-width: 767px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .page-faq .faq-hero-image {
    justify-content: center;
  }
  .page-faq .faq-hero-img {
    max-width: 100%;
  }
  .page-faq .faq-hero {
    padding: 24px 0 60px;
  }
  .page-faq .faq-hero-angle {
    height: 40px;
  }
  .page-faq .faq-search-wrap {
    max-width: 100%;
  }
  .page-faq .faq-tags {
    gap: 10px;
  }
  .page-faq .faq-tag-link {
    padding: 6px 20px;
    font-size: 0.85rem;
  }
  .page-faq .faq-question {
    padding: 14px 18px;
    font-size: 0.95rem;
  }
  .page-faq .faq-answer {
    padding: 14px 18px 20px;
    font-size: 0.92rem;
  }
  .page-faq .faq-cta {
    padding: 40px 0;
  }
  .page-faq .faq-cta-btn {
    padding: 14px 36px;
    font-size: 1rem;
  }
  .page-faq .faq-group-title {
    font-size: 1.3rem;
  }
  .page-faq .faq-breadcrumb {
    padding: 10px 16px 0;
  }
}

/* 桌面端：完善间距与视觉层次 */
@media (min-width: 768px) {
  .page-faq .faq-body {
    padding: 56px 0 80px;
  }
  .page-faq .faq-group {
    margin-bottom: 64px;
  }
  .page-faq .faq-group-title {
    margin-bottom: 28px;
  }
  .page-faq .faq-item {
    margin-bottom: 20px;
  }
  .page-faq .faq-question {
    padding: 20px 36px;
    font-size: 1.1rem;
  }
  .page-faq .faq-answer {
    padding: 24px 36px 32px;
  }
  .page-faq .faq-answer-img {
    max-width: 400px;
  }
  .page-faq .faq-tags {
    gap: 16px;
    margin-bottom: 48px;
  }
  .page-faq .faq-tag-link {
    padding: 10px 36px;
    font-size: 1rem;
  }
  .page-faq .faq-search-wrap {
    margin-bottom: 40px;
  }
  .page-faq .faq-cta {
    padding: 80px 0;
  }
  .page-faq .faq-cta-btn {
    padding: 18px 60px;
    font-size: 1.2rem;
  }
  .page-faq .faq-hero {
    padding: 48px 0 100px;
  }
  .page-faq .faq-hero-angle {
    height: 80px;
  }
}

/* 大屏：提升英雄区视觉冲击 */
@media (min-width: 1200px) {
  .page-faq .faq-hero-inner {
    gap: 60px;
  }
  .page-faq .faq-hero-desc {
    font-size: 1.35rem;
  }
  .page-faq .faq-hero-img {
    max-width: 640px;
  }
  .page-faq .faq-body {
    padding: 72px 0 100px;
  }
}