/* ===== 页面作用域：.page-faq ===== */
.page-faq {
  --faq-card-radius: 6px;
  --faq-clip-offset: 10px;
  --faq-accordion-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  background-color: var(--color-primary, #0B1B2D);
  color: var(--color-text, #FFFFFF);
  font-family: var(--font-body, 'Inter', sans-serif);
  position: relative;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem 1rem 0;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  font-size: 0.85rem;
  color: var(--color-text-muted, #B0B0B0);
}
.page-faq .faq-breadcrumb-link {
  color: var(--color-accent, #FF5A00);
  text-decoration: none;
  transition: opacity var(--transition, 0.25s ease);
}
.page-faq .faq-breadcrumb-link:hover {
  opacity: 0.75;
}
.page-faq .faq-breadcrumb-sep {
  color: var(--color-secondary, #C0C0C0);
  font-weight: 700;
}
.page-faq .faq-breadcrumb-current {
  color: var(--color-text, #FFFFFF);
  font-weight: 600;
}

/* ---------- 标题区 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 2rem 1rem 3rem;
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 70%;
  height: 140%;
  background: linear-gradient(135deg, rgba(255,90,0,0.12) 0%, rgba(138,43,226,0.06) 100%);
  clip-path: polygon(30% 0%, 100% 0%, 100% 100%, 0% 85%);
  pointer-events: none;
  z-index: 0;
}
.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 2rem;
}
.page-faq .faq-hero-text {
  flex: 1 1 100%;
  min-width: 0;
}
.page-faq .faq-hero-title {
  font-family: var(--font-heading, 'Impact', sans-serif);
  font-size: clamp(2rem, 6vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 0.75rem;
  color: var(--color-text, #FFFFFF);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  position: relative;
  display: inline-block;
}
.page-faq .faq-hero-title::after {
  content: '';
  position: absolute;
  bottom: 0.1em;
  left: 0;
  width: 100%;
  height: 0.08em;
  background: var(--color-accent, #FF5A00);
  transform: skewX(-12deg);
  opacity: 0.5;
}
.page-faq .faq-hero-title-accent {
  color: var(--color-accent, #FF5A00);
  font-style: italic;
  display: inline;
}
.page-faq .faq-hero-desc {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-text-muted, #B0B0B0);
  margin: 0 0 1.5rem;
  max-width: 580px;
}
.page-faq .faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.page-faq .faq-hero-tag {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text, #FFFFFF);
  background: var(--color-card, #1A2A3E);
  border: 1px solid var(--color-secondary, #C0C0C0);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
  text-decoration: none;
  transition: all var(--transition, 0.25s ease);
}
.page-faq .faq-hero-tag:hover {
  background: var(--color-accent, #FF5A00);
  border-color: var(--color-accent, #FF5A00);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,90,0,0.3);
}
.page-faq .faq-hero-deco {
  flex: 0 0 auto;
  position: relative;
  width: 120px;
  height: 100px;
  display: none;
}
@media (min-width: 640px) {
  .page-faq .faq-hero-deco {
    display: block;
  }
}
.page-faq .speed-line {
  position: absolute;
  display: block;
  background: var(--color-neon, #8A2BE2);
  opacity: 0.35;
  pointer-events: none;
}
.page-faq .speed-line--1 {
  width: 80px;
  height: 2px;
  top: 20%;
  right: 0;
  transform: rotate(-15deg);
  background: linear-gradient(90deg, transparent, var(--color-accent, #FF5A00));
}
.page-faq .speed-line--2 {
  width: 60px;
  height: 2px;
  top: 50%;
  right: 10%;
  transform: rotate(8deg);
  background: linear-gradient(90deg, transparent, var(--color-neon, #8A2BE2));
}
.page-faq .speed-line--3 {
  width: 100px;
  height: 1.5px;
  top: 75%;
  right: -5%;
  transform: rotate(-25deg);
  background: linear-gradient(90deg, transparent, var(--color-accent, #FF5A00));
  opacity: 0.25;
}

/* ---------- 分区通用 ---------- */
.page-faq .faq-section {
  padding: 2.5rem 1rem 2rem;
  position: relative;
}
.page-faq .faq-section:nth-child(odd) {
  background: rgba(26,42,62,0.3);
}
.page-faq .faq-section > .container {
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
}
.page-faq .faq-section-header {
  margin-bottom: 1.75rem;
  position: relative;
}
.page-faq .faq-section-header::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent, #FF5A00);
  margin-top: 0.5rem;
  clip-path: polygon(0 0, 100% 0, 95% 100%, 0% 100%);
}
.page-faq .section-title {
  font-family: var(--font-heading, 'Impact', sans-serif);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 700;
  color: var(--color-text, #FFFFFF);
  margin: 0 0 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  display: inline-block;
  position: relative;
}
.page-faq .section-title::before {
  content: '//';
  color: var(--color-accent, #FF5A00);
  margin-right: 0.5rem;
  font-weight: 800;
}
.page-faq .faq-section-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted, #B0B0B0);
  margin: 0.25rem 0 0;
  line-height: 1.5;
}

/* ---------- 手风琴卡片 ---------- */
.page-faq .faq-accordion-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.page-faq .faq-card {
  background: var(--color-card, #1A2A3E);
  border: 1px solid rgba(192,192,192,0.2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-clip-offset)), calc(100% - var(--faq-clip-offset)) 100%, 0 100%);
  transition: all var(--faq-accordion-transition);
  overflow: hidden;
}
.page-faq .faq-card:hover {
  border-color: rgba(255,90,0,0.3);
  box-shadow: 0 4px 24px rgba(0,0,0,0.25);
}
.page-faq .faq-card-trigger {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 1rem 1.25rem;
  background: transparent;
  border: none;
  color: var(--color-text, #FFFFFF);
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background var(--faq-accordion-transition);
  position: relative;
}
.page-faq .faq-card-trigger:hover {
  background: rgba(255,90,0,0.08);
}
.page-faq .faq-card-trigger:focus-visible {
  outline: 2px solid var(--color-accent, #FF5A00);
  outline-offset: -2px;
}
.page-faq .faq-card-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-accent, #FF5A00);
  transition: color var(--faq-accordion-transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-faq .faq-card-trigger:hover .faq-card-icon {
  color: var(--color-neon, #8A2BE2);
}
.page-faq .faq-card-title {
  flex: 1 1 auto;
  line-height: 1.4;
  letter-spacing: 0.01em;
}
.page-faq .faq-card-arrow {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--color-secondary, #C0C0C0);
  transition: transform var(--faq-accordion-transition), color var(--faq-accordion-transition);
}
.page-faq .faq-card-trigger[aria-expanded="true"] .faq-card-arrow {
  transform: rotate(180deg);
  color: var(--color-accent, #FF5A00);
}
.page-faq .faq-card-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--faq-accordion-transition);
  padding: 0 1.25rem;
}
.page-faq .faq-card-trigger[aria-expanded="true"] + .faq-card-content {
  max-height: 500px;
  padding: 0 1.25rem 1.25rem;
}
.page-faq .faq-card-content p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-muted, #B0B0B0);
}

/* ---------- 图片区 ---------- */
.page-faq .faq-download-layout,
.page-faq .faq-sync-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: flex-start;
}
.page-faq .faq-download-layout > .faq-accordion-group,
.page-faq .faq-sync-layout > .faq-accordion-group {
  flex: 1 1 100%;
  min-width: 0;
}
.page-faq .faq-figure {
  flex: 0 0 auto;
  margin: 0;
  max-width: 100%;
  border: 1px solid rgba(192,192,192,0.15);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  background: var(--color-card, #1A2A3E);
  padding: 0.5rem;
  transition: border-color var(--transition, 0.25s ease);
}
.page-faq .faq-figure:hover {
  border-color: rgba(255,90,0,0.3);
}
.page-faq .faq-figure-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%);
}
.page-faq .faq-figure-caption {
  font-size: 0.8rem;
  color: var(--color-text-muted, #B0B0B0);
  padding: 0.5rem 0.25rem 0.15rem;
  text-align: center;
  letter-spacing: 0.02em;
}

/* ---------- CTA底部 ---------- */
.page-faq .faq-cta {
  padding: 3rem 1rem 4rem;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255,90,0,0.06) 0%, rgba(138,43,226,0.04) 100%);
}
.page-faq .faq-cta::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent, #FF5A00), var(--color-neon, #8A2BE2), transparent);
  opacity: 0.4;
}
.page-faq .faq-cta-inner {
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}
.page-faq .faq-cta-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.page-faq .faq-cta-deco .speed-line--4 {
  position: absolute;
  width: 120px;
  height: 2px;
  top: 15%;
  left: -10%;
  background: linear-gradient(90deg, transparent, var(--color-accent, #FF5A00));
  transform: rotate(12deg);
  opacity: 0.2;
}
.page-faq .faq-cta-deco .speed-line--5 {
  position: absolute;
  width: 80px;
  height: 2px;
  bottom: 25%;
  right: -5%;
  background: linear-gradient(90deg, var(--color-neon, #8A2BE2), transparent);
  transform: rotate(-18deg);
  opacity: 0.2;
}
.page-faq .faq-cta-title {
  font-family: var(--font-heading, 'Impact', sans-serif);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--color-text, #FFFFFF);
  margin: 0 0 0.5rem;
  text-transform: uppercase;
}
.page-faq .faq-cta-desc {
  font-size: 1rem;
  color: var(--color-text-muted, #B0B0B0);
  margin: 0 0 1.75rem;
  line-height: 1.6;
}
.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}
.page-faq .faq-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.6rem;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-body, 'Inter', sans-serif);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
  transition: all var(--transition, 0.25s ease);
  min-width: 120px;
}
.page-faq .faq-cta-btn.btn {
  background: var(--color-accent, #FF5A00);
  color: #FFFFFF;
  border: none;
}
.page-faq .faq-cta-btn.btn:hover {
  background: #e04f00;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,90,0,0.35);
}
.page-faq .faq-cta-btn.btn-outline {
  background: transparent;
  color: var(--color-text, #FFFFFF);
  border: 1.5px solid var(--color-secondary, #C0C0C0);
}
.page-faq .faq-cta-btn.btn-outline:hover {
  border-color: var(--color-accent, #FF5A00);
  color: var(--color-accent, #FF5A00);
  background: rgba(255,90,0,0.06);
  transform: translateY(-2px);
}

/* ===== 桌面端 - 媒体查询 ===== */
@media (min-width: 768px) {
  /* 标题区 */
  .page-faq .faq-hero {
    padding: 3rem 2rem 4rem;
  }
  .page-faq .faq-hero-text {
    flex: 1 1 65%;
  }
  .page-faq .faq-hero-deco {
    flex: 0 0 25%;
    display: block;
    height: 130px;
    align-self: center;
  }
  .page-faq .faq-hero-tag {
    font-size: 0.9rem;
    padding: 0.5rem 1.5rem;
  }

  /* 分区 */
  .page-faq .faq-section {
    padding: 3rem 2rem 2.5rem;
  }

  /* 手风琴 */
  .page-faq .faq-card-trigger {
    padding: 1.1rem 1.5rem;
    font-size: 1.05rem;
  }
  .page-faq .faq-card-trigger[aria-expanded="true"] + .faq-card-content {
    padding: 0 1.5rem 1.4rem;
  }

  /* 下载区：左侧手风琴 + 右侧图片 */
  .page-faq .faq-download-layout {
    flex-wrap: nowrap;
  }
  .page-faq .faq-download-layout > .faq-accordion-group {
    flex: 1 1 55%;
  }
  .page-faq .faq-download-layout > .faq-figure {
    flex: 0 0 40%;
    max-width: 420px;
    margin-top: 0.25rem;
  }

  /* 同步区：左侧手风琴 + 右侧图片 */
  .page-faq .faq-sync-layout {
    flex-wrap: nowrap;
  }
  .page-faq .faq-sync-layout > .faq-accordion-group {
    flex: 1 1 55%;
  }
  .page-faq .faq-sync-layout > .faq-figure {
    flex: 0 0 40%;
    max-width: 360px;
    margin-top: 0.25rem;
  }

  /* CTA */
  .page-faq .faq-cta {
    padding: 4rem 2rem 5rem;
  }
  .page-faq .faq-cta-actions {
    gap: 1rem;
  }
  .page-faq .faq-cta-btn {
    padding: 0.7rem 2rem;
    font-size: 0.95rem;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: 4rem 2rem 5rem;
  }
  .page-faq .faq-hero-text {
    flex: 1 1 60%;
  }
  .page-faq .faq-hero-deco {
    flex: 0 0 30%;
    height: 160px;
  }
  .page-faq .faq-section {
    padding: 3.5rem 2rem 3rem;
  }
  .page-faq .faq-accordion-group {
    gap: 1rem;
  }
  /* 让手风琴在桌面端两列排列，形成Bento感 */
  .page-faq #section-league .faq-accordion-group,
  .page-faq #section-review .faq-accordion-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .page-faq #section-league .faq-accordion-group .faq-card:first-child {
    grid-column: 1 / -1;
  }
  .page-faq #section-review .faq-accordion-group .faq-card:first-child {
    grid-column: 1 / -1;
  }
}

/* ===== 窄屏安全 ===== */
@media (max-width: 479px) {
  .page-faq .faq-hero-title {
    font-size: 1.6rem;
  }
  .page-faq .faq-hero-tags {
    gap: 0.4rem;
  }
  .page-faq .faq-hero-tag {
    font-size: 0.78rem;
    padding: 0.35rem 0.9rem;
  }
  .page-faq .faq-card-trigger {
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
  }
  .page-faq .faq-card-trigger[aria-expanded="true"] + .faq-card-content {
    padding: 0 1rem 1rem;
  }
  .page-faq .faq-figure {
    max-width: 100%;
  }
  .page-faq .faq-cta-actions {
    flex-direction: column;
    align-items: center;
  }
  .page-faq .faq-cta-btn {
    width: 100%;
    max-width: 260px;
  }
}

/* ===== 可读性 & 打印 ===== */
@media print {
  .page-faq {
    background: #fff;
    color: #000;
  }
  .page-faq .faq-hero-deco,
  .page-faq .speed-line {
    display: none !important;
  }
  .page-faq .faq-card {
    break-inside: avoid;
    border: 1px solid #ccc;
    clip-path: none;
  }
  .page-faq .faq-card-trigger[aria-expanded="true"] + .faq-card-content {
    max-height: none;
    padding: 0.5rem 1rem 1rem;
  }
}