.page-faq {
  --faq-paper: #F4E9D8;
  --faq-accent: #C8FF00;
  --faq-orange: #FF6B00;
  --faq-bg-2: #142A52;
  --faq-border: #2A3B5A;
  --faq-text: #E8EDF2;
  --faq-text-2: #A2B0C4;
  --faq-radius: 16px;
  --faq-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--bs-bg);
  color: var(--bs-text);
  overflow-x: hidden;
}

/* ===== 页面顶部 ===== */
.faq-hero {
  position: relative;
  border-bottom: 1px solid var(--faq-border);
  background:
    linear-gradient(145deg, rgba(11, 27, 58, 0.94) 0%, rgba(20, 42, 82, 0.88) 100%),
    radial-gradient(circle at 82% 28%, rgba(200, 255, 0, 0.06) 0%, transparent 48%);
}

.faq-hero__inner {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 48px 24px 40px;
}

.faq-hero__content {
  max-width: 680px;
}

.faq-breadcrumb {
  font-family: var(--faq-mono);
  font-size: 13px;
  color: var(--faq-text-2);
  letter-spacing: 0.02em;
}

.faq-breadcrumb a {
  color: var(--faq-text-2);
  text-decoration: none;
  transition: color 0.2s ease;
}

.faq-breadcrumb a:hover {
  color: var(--faq-accent);
}

.faq-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--faq-mono);
  font-size: 13px;
  color: var(--faq-accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 44px;
}

.faq-eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--faq-accent);
  display: inline-block;
  animation: faq-pulse 2.4s ease-in-out infinite;
}

@keyframes faq-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.72); }
}

.faq-title {
  font-size: 42px;
  line-height: 1.1;
  font-weight: 200;
  letter-spacing: -0.01em;
  margin: 20px 0 0;
  color: var(--faq-text);
}

.faq-title br {
  display: none;
}

.faq-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-text-2);
  margin: 22px 0 0;
  max-width: 560px;
}

.faq-hero__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-text-2);
  margin: 20px 0 0;
}

.faq-hero__note a,
.faq-more a {
  color: var(--faq-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 0, 0.3);
  transition: border-color 0.2s ease;
}

.faq-hero__note a:hover,
.faq-more a:hover {
  border-bottom-color: var(--faq-accent);
}

.faq-hero__visual {
  position: relative;
  width: 100%;
  max-width: 420px;
  height: 200px;
  border-radius: var(--faq-radius);
  overflow: hidden;
  border: 1px solid var(--faq-border);
}

.faq-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 1;
}

.faq-hero__shape {
  position: absolute;
  right: -16px;
  bottom: -16px;
  width: 72px;
  height: 72px;
  background: var(--faq-orange);
  z-index: 0;
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 88%);
  opacity: 0.85;
}

/* ===== 主布局：侧栏索引 + 问答内容 ===== */
.faq-layout {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding: 40px 24px 64px;
}

/* 索引侧栏 */
.faq-index {
  width: 100%;
}

.faq-index__inner {
  border: 1px solid var(--faq-border);
  border-radius: var(--faq-radius);
  padding: 24px 20px;
  background: rgba(20, 42, 82, 0.55);
  position: relative;
}

.faq-index__inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 48px;
  background: var(--faq-accent);
}

.faq-index__label {
  font-family: var(--faq-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faq-text-2);
  margin: 0 0 18px;
}

.faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.faq-index__link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 8px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--faq-text);
  transition: background 0.2s ease;
}

.faq-index__link:hover {
  background: rgba(200, 255, 0, 0.06);
}

.faq-index__num {
  font-family: var(--faq-mono);
  font-size: 13px;
  color: var(--faq-orange);
  min-width: 24px;
}

.faq-index__text {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
}

.faq-index__tip {
  font-family: var(--faq-mono);
  font-size: 12px;
  color: var(--faq-text-2);
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-border);
}

/* 问答内容主区域 */
.faq-content {
  display: flex;
  flex-direction: column;
  gap: 48px;
  min-width: 0;
}

.faq-group {
  scroll-margin-top: 32px;
}

.faq-group__header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  border-bottom: 1px solid var(--faq-border);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.faq-group__num {
  font-family: var(--faq-mono);
  font-size: 28px;
  font-weight: 400;
  color: var(--faq-orange);
  line-height: 1;
  letter-spacing: -0.02em;
}

.faq-group__title {
  font-size: 24px;
  line-height: 1.3;
  font-weight: 600;
  margin: 0;
  color: var(--faq-text);
}

.faq-group__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--faq-text-2);
  margin: 4px 0 0;
}

/* 问答列表 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.faq-item {
  border-bottom: 1px solid var(--faq-border);
  background: transparent;
  transition: background 0.25s ease;
}

.faq-item:last-of-type {
  border-bottom-color: var(--faq-border);
}

.faq-item__question {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 8px 18px 4px;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question::marker {
  content: none;
}

.faq-item__q {
  font-family: var(--faq-mono);
  font-size: 13px;
  color: var(--faq-accent);
  background: rgba(200, 255, 0, 0.08);
  border: 1px solid rgba(200, 255, 0, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  flex-shrink: 0;
  margin-top: 2px;
}

.faq-item__text {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--faq-text);
  flex: 1;
}

.faq-item__question::after {
  content: '+';
  font-family: var(--faq-mono);
  font-size: 22px;
  font-weight: 300;
  color: var(--faq-text-2);
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform 0.3s ease, color 0.3s ease;
  margin-top: 2px;
}

.faq-item[open] .faq-item__question::after {
  transform: rotate(135deg);
  color: var(--faq-orange);
}

.faq-item__answer {
  padding: 0 8px 20px 44px;
  animation: faq-fade-in 0.3s ease;
}

@keyframes faq-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.faq-item__answer p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-text-2);
  margin: 0;
  max-width: 600px;
}

.faq-item__answer a {
  color: var(--faq-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 0, 0.3);
  transition: border-color 0.2s ease;
}

.faq-item__answer a:hover {
  border-bottom-color: var(--faq-accent);
}

/* 提问组内配图 */
.faq-visual-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
  padding: 16px;
  background: var(--faq-paper);
  border-radius: var(--faq-radius);
  max-width: 480px;
}

.faq-visual-block__img {
  width: 100%;
  height: auto;
  max-width: 360px;
  border-radius: 10px;
  display: block;
}

.faq-visual-block__note {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.faq-visual-block__tag {
  font-family: var(--faq-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #0B1B3A;
  background: var(--faq-orange);
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 4px;
  width: fit-content;
  font-weight: 500;
}

.faq-visual-block__note p {
  font-size: 14px;
  line-height: 1.6;
  color: #1A2433;
  margin: 0;
}

/* 页尾转化块 */
.faq-more {
  background: linear-gradient(135deg, #142A52 0%, #0B1B3A 100%);
  border: 1px solid var(--faq-border);
  border-radius: var(--faq-radius);
  padding: 32px 24px;
  position: relative;
  overflow: hidden;
}

.faq-more::after {
  content: 'BSPORTS';
  position: absolute;
  right: -16px;
  bottom: -28px;
  font-family: var(--faq-mono);
  font-size: 64px;
  font-weight: 700;
  color: rgba(200, 255, 0, 0.05);
  letter-spacing: -0.04em;
  pointer-events: none;
}

.faq-more__title {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 10px;
  color: var(--faq-text);
}

.faq-more p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--faq-text-2);
  margin: 0;
  position: relative;
  z-index: 1;
  max-width: 520px;
}

/* 等宽芯片 */
.faq-chip-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

/* ===== 响应式：平板 / 桌面 ===== */
@media (min-width: 768px) {
  .faq-hero__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 64px 40px 56px;
  }

  .faq-hero__content {
    flex: 1;
    max-width: 620px;
  }

  .faq-title {
    font-size: 64px;
    line-height: 1.05;
  }

  .faq-title br {
    display: block;
  }

  .faq-hero__visual {
    width: 320px;
    height: 200px;
    flex-shrink: 0;
  }

  .faq-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 56px;
    padding: 56px 40px 80px;
  }

  .faq-index {
    width: 240px;
    flex-shrink: 0;
    position: sticky;
    top: 32px;
  }

  .faq-content {
    flex: 1;
    max-width: 820px;
  }

  .faq-index__list {
    grid-template-columns: 1fr;
  }

  .faq-group__title {
    font-size: 30px;
  }

  .faq-group__desc {
    font-size: 15px;
  }

  .faq-visual-block {
    flex-direction: row;
    align-items: center;
    max-width: 600px;
  }

  .faq-visual-block__img {
    max-width: 280px;
  }
}

@media (min-width: 1080px) {
  .faq-hero__inner {
    padding: 80px 64px 64px;
  }

  .faq-title {
    font-size: 72px;
  }

  .faq-layout {
    padding: 72px 64px 96px;
    gap: 72px;
  }

  .faq-index {
    width: 268px;
  }

  .faq-group__title {
    font-size: 32px;
  }
}

/* ===== 平滑滚动与交互提示 ===== */
@media (prefers-reduced-motion: no-preference) {
  .page-faq {
    scroll-behavior: smooth;
  }
}

.page-faq .faq-item[open] {
  background: rgba(200, 255, 0, 0.02);
  border-radius: 8px;
}

/* 窄屏防溢出 */
img {
  max-width: 100%;
  height: auto;
}