/* ===== 天博赛场 · 支持中心专属样式 ===== */
.page-faq {
  --faq-hero-bg: linear-gradient(135deg, var(--color-bg-light) 0%, rgba(0, 180, 216, 0.08) 100%);
  --faq-section-gap: 2rem;
  --faq-item-radius: var(--radius-md);
  --faq-item-border-color: var(--color-border);
  --faq-q-color: var(--color-accent);
  --faq-a-bg: rgba(0, 180, 216, 0.04);
  --faq-sidebar-width: 280px;
  --faq-stat-hover-scale: 1.06;
  --faq-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --faq-texture-overlay: linear-gradient(180deg, transparent 20%, rgba(26, 26, 46, 0.06) 100%);
  background-color: var(--color-bg-light);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
}

/* ===== 容器 ===== */
.page-faq .container {
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gap);
  padding-right: var(--gap);
}

/* ===== 跳过链接 ===== */
.page-faq .skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
}
.page-faq .skip-link:focus {
  top: 1rem;
}

/* ===== 首屏标题区 ===== */
.page-faq .faq-hero {
  background: var(--faq-hero-bg);
  padding: 2.5rem 0 2rem;
  position: relative;
  overflow: hidden;
}
.page-faq .faq-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  opacity: 0.3;
  border-radius: 2px;
}
.page-faq .faq-hero__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.page-faq .faq-hero__graphic {
  flex: 0 0 auto;
}
.page-faq .faq-hero__icon {
  display: block;
  width: 100px;
  height: 100px;
  object-fit: contain;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-sm);
  transition: transform var(--faq-transition), box-shadow var(--faq-transition);
}
.page-faq .faq-hero__icon:hover {
  transform: scale(1.04) rotate(-2deg);
  box-shadow: var(--shadow-md);
}
.page-faq .faq-hero__text {
  flex: 1;
  min-width: 0;
}
.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}
.page-faq .faq-breadcrumb__link {
  color: var(--color-primary-dark);
  text-decoration: none;
  transition: color 0.2s;
}
.page-faq .faq-breadcrumb__link:hover {
  color: var(--color-accent);
}
.page-faq .faq-breadcrumb__sep {
  color: var(--color-text-light);
  opacity: 0.5;
}
.page-faq .faq-breadcrumb__current {
  font-weight: 600;
  color: var(--color-text);
}
.page-faq .faq-hero__title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-primary-dark);
  margin: 0 0 0.3rem;
  line-height: 1.2;
}
.page-faq .faq-hero__subtitle {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin: 0;
  max-width: 480px;
}

/* ===== 主内容区 ===== */
.page-faq .faq-main {
  display: flex;
  gap: 2.5rem;
  padding-top: 2.5rem;
  padding-bottom: 3rem;
  align-items: flex-start;
  position: relative;
}
.page-faq .faq-content {
  flex: 1;
  min-width: 0;
}

/* ===== 章节面板 ===== */
.page-faq .faq-section {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.8rem 1.5rem;
  margin-bottom: var(--faq-section-gap);
  position: relative;
  transition: box-shadow var(--faq-transition);
  border: 1px solid var(--faq-item-border-color);
}
.page-faq .faq-section:hover {
  box-shadow: var(--shadow-md);
}
.page-faq .faq-section:last-child {
  margin-bottom: 0;
}
.page-faq .faq-section__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.8rem;
  border-bottom: 2px solid rgba(0, 180, 216, 0.15);
}
.page-faq .faq-section__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-primary-dark);
  margin: 0;
  line-height: 1.3;
  position: relative;
}
.page-faq .faq-section__title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.2em;
  background: var(--color-accent);
  border-radius: 2px;
  margin-right: 0.6rem;
  vertical-align: middle;
}
.page-faq .faq-section__badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-primary-dark);
  background: rgba(0, 180, 216, 0.1);
  padding: 0.2rem 0.7rem;
  border-radius: 20px;
  border: 1px solid rgba(0, 180, 216, 0.2);
  white-space: nowrap;
}

/* ===== 单个问答项 ===== */
.page-faq .faq-item {
  border: 1px solid var(--faq-item-border-color);
  border-radius: var(--faq-item-radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  background: var(--color-card);
  transition: box-shadow 0.25s;
}
.page-faq .faq-item:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item:hover {
  box-shadow: var(--shadow-sm);
}
.page-faq .faq-item[open] {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(0, 180, 216, 0.2);
}

/* 问题 = summary */
.page-faq .faq-item__question {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 1.2rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  font-weight: 500;
  font-size: 0.98rem;
  color: var(--color-text);
  transition: background var(--faq-transition), color var(--faq-transition);
  position: relative;
}
.page-faq .faq-item__question::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__question:hover {
  background: rgba(0, 180, 216, 0.03);
}
.page-faq .faq-item[open] .faq-item__question {
  background: rgba(0, 180, 216, 0.04);
  border-bottom: 1px solid var(--faq-item-border-color);
}
.page-faq .faq-item__q-icon {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--faq-q-color);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.75rem;
  border-radius: 50%;
  letter-spacing: 0;
  box-shadow: 0 2px 6px rgba(255, 107, 53, 0.25);
}
.page-faq .faq-item__q-text {
  flex: 1;
  min-width: 0;
  line-height: 1.4;
}
.page-faq .faq-item__toggle {
  flex: 0 0 auto;
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--color-primary);
  transition: transform var(--faq-transition), color var(--faq-transition);
  line-height: 1;
}
.page-faq .faq-item[open] .faq-item__toggle {
  transform: rotate(45deg);
  color: var(--color-accent);
}

/* 答案区域 — 平滑展开动画 */
.page-faq .faq-item__answer {
  display: flex;
  gap: 0.7rem;
  padding: 0 1.2rem 1rem;
  background: var(--faq-a-bg);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s ease;
}
.page-faq .faq-item[open] .faq-item__answer {
  max-height: 500px;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.page-faq .faq-item__a-icon {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.75rem;
  border-radius: 50%;
  letter-spacing: 0;
  box-shadow: 0 2px 6px rgba(0, 180, 216, 0.25);
}
.page-faq .faq-item__answer-body {
  flex: 1;
  min-width: 0;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.7;
}
.page-faq .faq-item__answer-body p {
  margin: 0 0 0.6rem;
}
.page-faq .faq-item__answer-body p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__answer-body a {
  color: var(--color-primary-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s;
}
.page-faq .faq-item__answer-body a:hover {
  color: var(--color-accent);
}
.page-faq .faq-item__answer-body strong {
  color: var(--color-primary-dark);
  font-weight: 600;
}

/* ===== 联系列表 ===== */
.page-faq .faq-contact-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
  display: grid;
  gap: 0.4rem;
}
.page-faq .faq-contact-list li {
  padding: 0.2rem 0;
  font-size: 0.93rem;
  line-height: 1.6;
}
.page-faq .faq-contact-list li a {
  color: var(--color-primary-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.page-faq .faq-contact-list li a:hover {
  color: var(--color-accent);
}

/* ===== 绿茵纹理装饰 ===== */
.page-faq .faq-texture-wrap {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 160px;
  overflow: hidden;
  pointer-events: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  z-index: 0;
}
.page-faq .faq-texture-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.15;
  transform: scale(1.02);
  filter: saturate(0.3) brightness(1.1);
}
.page-faq .faq-section:last-child {
  position: relative;
  overflow: hidden;
}
.page-faq .faq-section:last-child .faq-section__header,
.page-faq .faq-section:last-child .faq-section__body {
  position: relative;
  z-index: 1;
}

/* ===== 右侧数据卡 ===== */
.page-faq .faq-sidebar {
  flex: 0 0 var(--faq-sidebar-width);
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
  align-self: flex-start;
}
.page-faq .faq-data-card {
  background: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.5rem 1.2rem;
  transition: transform var(--faq-transition), box-shadow var(--faq-transition), background var(--faq-transition);
}
.page-faq .faq-data-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: rgba(255, 255, 255, 0.82);
}
.page-faq .faq-data-card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--color-primary-dark);
  margin: 0 0 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid rgba(0, 180, 216, 0.15);
  text-align: center;
}
.page-faq .faq-data-card__body {
  display: grid;
  gap: 1.1rem;
}
.page-faq .faq-stat {
  text-align: center;
  padding: 0.6rem 0.4rem;
  border-radius: var(--radius-sm);
  background: rgba(240, 249, 255, 0.4);
  transition: background var(--faq-transition), transform var(--faq-transition);
  position: relative;
  cursor: default;
}
.page-faq .faq-stat:hover {
  background: rgba(0, 180, 216, 0.08);
  transform: scale(var(--faq-stat-hover-scale));
}
.page-faq .faq-stat__number {
  font-family: var(--font-number);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-number);
  line-height: 1.1;
  display: inline-block;
  transition: color var(--faq-transition), transform var(--faq-transition);
}
.page-faq .faq-stat:hover .faq-stat__number {
  color: var(--color-accent);
  transform: scale(1.04);
}
.page-faq .faq-stat__unit {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-light);
  margin-left: 0.15rem;
}
.page-faq .faq-stat__label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 0.2rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.page-faq .faq-stat__detail {
  display: block;
  font-size: 0.7rem;
  color: var(--color-primary);
  margin-top: 0.3rem;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.35s ease, margin-top 0.35s ease;
}
.page-faq .faq-stat:hover .faq-stat__detail {
  max-height: 40px;
  opacity: 1;
  margin-top: 0.4rem;
}
.page-faq .faq-data-card__footer {
  margin-top: 1rem;
  text-align: center;
}
.page-faq .faq-data-card__note {
  font-size: 0.7rem;
  color: var(--color-text-light);
  opacity: 0.6;
  letter-spacing: 0.03em;
  font-style: italic;
}

/* ===== 底部引导 ===== */
.page-faq .faq-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: 2.5rem 0;
  margin-top: 1rem;
  position: relative;
  overflow: hidden;
}
.page-faq .faq-cta::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.page-faq .faq-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.page-faq .faq-cta__text {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  color: #fff;
  margin: 0;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}
.page-faq .faq-cta__btn {
  background: var(--color-accent);
  color: #fff;
  border: none;
  padding: 0.8rem 2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.3s, transform 0.25s, box-shadow 0.3s;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
  text-decoration: none;
  display: inline-block;
}
.page-faq .faq-cta__btn:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.45);
}
.page-faq .faq-cta__btn:active {
  transform: translateY(0);
}

/* ===== 通用按钮 ===== */
.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background 0.3s, transform 0.25s, box-shadow 0.3s, color 0.3s;
  text-decoration: none;
  line-height: 1.2;
}
.page-faq .btn-accent {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
}
.page-faq .btn-accent:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

/* ===== 首屏背景纹理（全局装饰） ===== */
.page-faq .faq-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('{zhanqunpic:h:1080w:1920}');
  background-size: cover;
  background-position: center 40%;
  opacity: 0.04;
  pointer-events: none;
  filter: saturate(0.2) brightness(1.2);
}

/* ===== 响应式：移动端优先 ===== */
/* 窄屏：默认已是单列，首屏标题堆叠，数据卡置于底部 */
@media (max-width: 767px) {
  .page-faq .faq-hero {
    padding: 1.8rem 0 1.5rem;
  }
  .page-faq .faq-hero__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .page-faq .faq-hero__graphic {
    align-self: flex-start;
  }
  .page-faq .faq-hero__icon {
    width: 72px;
    height: 72px;
  }
  .page-faq .faq-hero__title {
    font-size: 1.7rem;
  }
  .page-faq .faq-hero__subtitle {
    font-size: 0.95rem;
  }
  .page-faq .faq-main {
    flex-direction: column;
    padding-top: 1.5rem;
    padding-bottom: 2rem;
    gap: 1.5rem;
  }
  .page-faq .faq-sidebar {
    position: static;
    width: 100%;
    flex: none;
  }
  .page-faq .faq-data-card {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  .page-faq .faq-data-card__body {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
  }
  .page-faq .faq-stat__number {
    font-size: 1.5rem;
  }
  .page-faq .faq-section {
    padding: 1.2rem 1rem;
  }
  .page-faq .faq-section__title {
    font-size: 1.25rem;
  }
  .page-faq .faq-section__badge {
    font-size: 0.65rem;
    padding: 0.15rem 0.5rem;
  }
  .page-faq .faq-item__question {
    padding: 0.8rem 1rem;
    font-size: 0.9rem;
  }
  .page-faq .faq-item__answer {
    padding: 0 1rem 0.8rem;
  }
  .page-faq .faq-item[open] .faq-item__answer {
    padding-top: 0.8rem;
    padding-bottom: 0.8rem;
  }
  .page-faq .faq-item__q-icon,
  .page-faq .faq-item__a-icon {
    flex: 0 0 24px;
    width: 24px;
    height: 24px;
    font-size: 0.65rem;
  }
  .page-faq .faq-cta {
    padding: 1.8rem 0;
  }
  .page-faq .faq-cta__inner {
    flex-direction: column;
    text-align: center;
  }
  .page-faq .faq-cta__text {
    font-size: 1.1rem;
  }
  .page-faq .faq-texture-wrap {
    height: 100px;
  }
  .page-faq .faq-hero::before {
    opacity: 0.025;
  }
}

/* ===== 桌面增强 ===== */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 3rem 0 2.2rem;
  }
  .page-faq .faq-hero__title {
    font-size: 2.6rem;
  }
  .page-faq .faq-hero__icon {
    width: 100px;
    height: 100px;
  }
  .page-faq .faq-main {
    flex-direction: row;
  }
  .page-faq .faq-content {
    flex: 1;
  }
  .page-faq .faq-sidebar {
    width: var(--faq-sidebar-width);
  }
  .page-faq .faq-data-card__body {
    grid-template-columns: 1fr;
  }
  .page-faq .faq-stat__number {
    font-size: 2rem;
  }
  .page-faq .faq-cta__text {
    font-size: 1.4rem;
  }
}

/* ===== 大屏微调 ===== */
@media (min-width: 1024px) {
  .page-faq .faq-hero__title {
    font-size: 3rem;
  }
  .page-faq .faq-hero__subtitle {
    font-size: 1.1rem;
  }
  .page-faq .faq-section {
    padding: 2rem 2rem;
  }
  .page-faq .faq-section__title {
    font-size: 1.6rem;
  }
  .page-faq .faq-item__question {
    font-size: 1rem;
    padding: 1.1rem 1.5rem;
  }
  .page-faq .faq-item__answer {
    padding: 0 1.5rem 1.2rem;
  }
  .page-faq .faq-item[open] .faq-item__answer {
    padding-top: 1.2rem;
    padding-bottom: 1.2rem;
  }
  .page-faq .faq-texture-wrap {
    height: 200px;
  }
}

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

/* ===== 选中/焦点样式 ===== */
.page-faq .faq-item__question:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
  border-radius: var(--faq-item-radius) var(--faq-item-radius) 0 0;
}
.page-faq .faq-breadcrumb__link:focus-visible,
.page-faq .faq-cta__btn:focus-visible,
.page-faq .faq-item__answer-body a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ===== 打印样式 ===== */
@media print {
  .page-faq {
    background: #fff;
    color: #000;
  }
  .page-faq .faq-sidebar,
  .page-faq .faq-cta,
  .page-faq .faq-texture-wrap,
  .page-faq .faq-hero::before {
    display: none !important;
  }
  .page-faq .faq-section {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }
  .page-faq .faq-item__answer {
    max-height: none !important;
    overflow: visible !important;
    padding: 0.8rem 1.2rem !important;
  }
}