/* ===== K1体育 问答中心 页面专属样式 ===== */
.page-faq {
  --faq-blue: #0B1D3A;
  --faq-orange: #FF6A00;
  --faq-paper: #F7F3E8;
  --faq-mist: #E5E0D4;
  --faq-slate: #3A5A8C;
  --faq-white: #FFFFFF;
  --faq-ink: #1A1A1A;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.25rem) 4rem;
  background: var(--faq-paper);
  color: var(--faq-ink);
}

/* 面包屑微调 */
.page-faq .breadcrumbs {
  padding-top: 1.1rem;
  padding-bottom: 0.6rem;
}

/* ===== 首屏 Hero ===== */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0 2rem;
  border-bottom: 3px solid var(--faq-blue);
}

.page-faq .faq-hero-copy {
  position: relative;
  padding-left: 1rem;
  border-left: 6px solid var(--faq-orange);
}

.page-faq .faq-hero-overline {
  display: inline-block;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--faq-blue);
  border: 1px solid var(--faq-blue);
  padding: 0.3rem 0.7rem;
  background: var(--faq-white);
}

.page-faq .faq-hero-title {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  line-height: 1.22;
  color: var(--faq-blue);
  font-weight: 900;
  letter-spacing: -0.015em;
  max-width: 24ch;
  margin-bottom: 1rem;
  text-wrap: balance;
}

.page-faq .faq-hero-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--faq-slate);
  max-width: 60rem;
}

.page-faq .faq-hero-aside {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem 1rem;
  align-content: start;
  background: var(--faq-white);
  border: 2px solid var(--faq-blue);
  border-top: 6px solid var(--faq-orange);
  padding: 1.2rem 1.25rem 1.35rem;
}

.page-faq .faq-hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.page-faq .faq-hero-stat-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--faq-blue);
  line-height: 1.1;
}

.page-faq .faq-hero-stat-label {
  font-size: 0.85rem;
  color: var(--faq-slate);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero-tags {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.4rem;
}

.page-faq .faq-hero-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.28rem 0.65rem;
  background: var(--faq-mist);
  color: var(--faq-blue);
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
}

/* ===== 搜索区 ===== */
.page-faq .faq-search-zone {
  padding: 1.5rem 0 1rem;
}

.page-faq .faq-search-box {
  display: flex;
  align-items: center;
  background: var(--faq-white);
  border: 2px solid var(--faq-blue);
  border-radius: var(--radius-card);
  padding: 0.15rem 0.95rem;
  box-shadow: var(--shadow-float-sm);
  transition: box-shadow var(--transition-base);
}

.page-faq .faq-search-box:focus-within {
  box-shadow: var(--shadow-float);
  border-color: var(--faq-orange);
}

.page-faq .faq-search-icon {
  color: var(--faq-orange);
  font-size: 1.4rem;
  line-height: 1;
  margin-right: 0.65rem;
  transform: rotate(-8deg);
  display: inline-block;
}

.page-faq .faq-search-input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  font: 1rem var(--font-body);
  color: var(--faq-ink);
  padding: 0.75rem 0;
}

.page-faq .faq-search-input::placeholder {
  color: var(--faq-slate);
  opacity: 0.72;
}

.page-faq .faq-search-note {
  display: block;
  margin-top: 0.55rem;
  font-size: 0.72rem;
  color: var(--faq-slate);
  letter-spacing: 0.04em;
}

/* ===== 主布局：索引 + 内容 ===== */
.page-faq .faq-zone {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 0.75rem 0 3.5rem;
}

/* 索引侧栏 */
.page-faq .faq-index {
  position: relative;
  background: var(--faq-blue);
  color: var(--faq-white);
  padding: 1.3rem 1.25rem 1.5rem;
  overflow: hidden;
}

.page-faq .faq-index::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 3.6rem;
  height: 0.5rem;
  background: var(--faq-orange);
}

.page-faq .faq-index-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--faq-white);
  letter-spacing: 0.08em;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.26);
  margin-bottom: 0.9rem;
}

.page-faq .faq-index-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.page-faq .faq-index-item a {
  display: block;
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  border-left: 3px solid transparent;
  padding: 0.55rem 0.65rem;
  transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.page-faq .faq-index-item a:hover,
.page-faq .faq-index-item a:focus-visible {
  outline: none;
  background: rgba(255, 255, 255, 0.1);
  border-left-color: var(--faq-orange);
  color: var(--faq-white);
}

.page-faq .faq-index-extra {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.page-faq .faq-index-extra-title {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 0.7rem;
  line-height: 1.5;
}

.page-faq .faq-contact-link {
  display: inline-block;
  color: var(--faq-white);
  border: 1px solid rgba(255, 255, 255, 0.65);
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  text-decoration: none;
  transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.page-faq .faq-contact-link:hover,
.page-faq .faq-contact-link:focus-visible {
  outline: none;
  background: var(--faq-orange);
  border-color: var(--faq-orange);
  color: var(--faq-white);
}

/* 内容区 */
.page-faq .faq-content {
  min-width: 0;
}

/* ===== 章节 ===== */
.page-faq .faq-section + .faq-section {
  margin-top: 2.75rem;
  padding-top: 2.25rem;
  border-top: 2px solid var(--faq-blue);
}

.page-faq .faq-section-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.4rem;
  padding-bottom: 0.55rem;
  border-bottom: 3px solid var(--faq-orange);
}

.page-faq .faq-section-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--faq-orange);
  font-weight: 700;
  line-height: 1;
}

.page-faq .faq-section-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--faq-blue);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

/* ===== 图片 ===== */
.page-faq .faq-entry-figure,
.page-faq .faq-tool-figure {
  margin: 0 0 1.5rem;
}

.page-faq .faq-entry-figure img,
.page-faq .faq-tool-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 2px solid var(--faq-blue);
  box-shadow: var(--shadow-float-sm);
  background: var(--faq-mist);
}

.page-faq .faq-tool-figure img {
  max-width: 100%;
}

.page-faq .faq-figcaption {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.72rem;
  color: var(--faq-slate);
  letter-spacing: 0.06em;
}

/* ===== 问题列表与手风琴 ===== */
.page-faq .faq-q-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.page-faq .faq-item {
  background: var(--faq-white);
  border: 1px solid var(--faq-mist);
  border-left: 4px solid var(--faq-blue);
  box-shadow: var(--shadow-float-sm);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.page-faq .faq-item[open] {
  border-left-color: var(--faq-orange);
  box-shadow: var(--shadow-float);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.1rem;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--faq-ink);
  font-size: 0.95rem;
  line-height: 1.55;
}

.page-faq .faq-q::-webkit-details-marker,
.page-faq .faq-q::details-marker {
  display: none;
}

.page-faq .faq-q-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 1.6rem;
  height: 1.6rem;
  background: var(--faq-blue);
  color: var(--faq-white);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
}

.page-faq .faq-item[open] .faq-q-mark {
  background: var(--faq-orange);
  color: var(--faq-white);
}

.page-faq .faq-q-text {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-a {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem 1.1rem;
  background: var(--faq-mist);
  border-top: 1px dashed var(--faq-slate);
}

.page-faq .faq-a-mark {
  flex-shrink: 0;
  color: var(--faq-orange);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.6;
}

.page-faq .faq-a-body {
  min-width: 0;
}

.page-faq .faq-a-body p {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--faq-ink);
  margin: 0 0 0.5rem;
}

.page-faq .faq-a-body p:last-of-type {
  margin-bottom: 0.15rem;
}

.page-faq .faq-a-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  margin: 0.35rem 0 0.2rem;
}

.page-faq .btn-sm {
  padding: 0.5rem 0.95rem;
  font-size: 0.8rem;
}

.page-faq .faq-share-link {
  display: inline-block;
  margin-top: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--faq-slate);
  text-decoration: none;
  border-bottom: 1px dashed var(--faq-slate);
  transition: color var(--transition-base), border-color var(--transition-base);
}

.page-faq .faq-share-link:hover,
.page-faq .faq-share-link:focus-visible {
  outline: none;
  color: var(--faq-orange);
  border-color: var(--faq-orange);
}

/* ===== 底部求助 CTA ===== */
.page-faq .faq-help-cta {
  position: relative;
  overflow: hidden;
  margin-top: 3rem;
  background: var(--faq-blue);
  color: var(--faq-white);
  padding: 2rem 1.5rem 2.2rem;
  border-top: 8px solid var(--faq-orange);
}

.page-faq .faq-help-cta::after {
  content: 'K1';
  position: absolute;
  right: 0.2rem;
  top: -2.5rem;
  font-family: var(--font-heading);
  font-size: 8rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.06);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.page-faq .faq-help-cta-title {
  position: relative;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--faq-white);
}

.page-faq .faq-help-cta p {
  position: relative;
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
  max-width: 42rem;
  margin-bottom: 1.25rem;
}

.page-faq .faq-help-cta .btn {
  position: relative;
}

/* ===== 中屏适配 ===== */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    grid-template-columns: 1.4fr 1fr;
    align-items: end;
    gap: 2rem;
  }

  .page-faq .faq-hero-aside {
    align-self: stretch;
  }
}

/* ===== 桌面端布局 ===== */
@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: 2.5rem 0 2.75rem;
  }

  .page-faq .faq-hero-title {
    font-size: 2.75rem;
    line-height: 1.15;
    max-width: 22ch;
  }

  .page-faq .faq-hero-desc {
    font-size: 1.05rem;
  }

  .page-faq .faq-search-zone {
    padding: 2rem 0 1.4rem;
  }

  .page-faq .faq-search-box {
    max-width: 54rem;
  }

  .page-faq .faq-zone {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
    gap: 2.5rem;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    z-index: 4;
  }

  .page-faq .faq-section + .faq-section {
    margin-top: 3.25rem;
    padding-top: 2.75rem;
  }

  .page-faq .faq-section-title {
    font-size: 1.55rem;
  }

  .page-faq .faq-tool-figure {
    max-width: 440px;
  }

  .page-faq .faq-help-cta {
    padding: 2.5rem 2.5rem 2.75rem;
  }
}

/* ===== 窄屏索引横向滚动 ===== */
@media (max-width: 639px) {
  .page-faq .faq-index-list {
    flex-direction: row;
    gap: 0.4rem;
    overflow-x: auto;
    padding-bottom: 0.4rem;
    scrollbar-width: thin;
  }

  .page-faq .faq-index-item a {
    white-space: nowrap;
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 0.4rem 0.6rem;
  }

  .page-faq .faq-index-item a:hover,
  .page-faq .faq-index-item a:focus-visible {
    border-left-color: transparent;
    border-bottom-color: var(--faq-orange);
  }
}