.page-faq {
  --faq-track-left: 12px;
  --faq-node-left: 9px;
  overflow-x: hidden;
}

.page-faq .faq-container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* 面包屑 */
.page-faq .breadcrumb {
  padding: 28px 0 0;
  margin: 0;
}
.page-faq .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-size: 14px;
}
.page-faq .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color .2s ease;
}
.page-faq .breadcrumb a:hover {
  color: var(--orange);
}
.page-faq .breadcrumb li {
  color: var(--muted);
}
.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--border);
}

/* 首屏 Hero */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 28px;
  padding: 40px 0 28px;
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "FAQ";
  position: absolute;
  top: -24px;
  right: -4%;
  font-family: var(--heading-font);
  font-size: clamp(100px, 30vw, 240px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,106,0,.16);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.page-faq .faq-hero-text,
.page-faq .faq-hero-media {
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero-text .kicker {
  display: inline-block;
  font-family: var(--data-font);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 18px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255,106,0,.09);
  border: 1px solid rgba(255,106,0,.25);
}
.page-faq .faq-hero-text h1 {
  font-family: var(--heading-font);
  font-size: clamp(44px, 9vw, 76px);
  line-height: .95;
  text-transform: uppercase;
  letter-spacing: .01em;
  margin: 0 0 20px;
  text-wrap: balance;
}
.page-faq .faq-hero-text .lead {
  max-width: 640px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}
.page-faq .faq-hero-media {
  margin: 0;
}
.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-1);
}
.page-faq .faq-hero-media figcaption {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
  padding-left: 12px;
  border-left: 2px solid rgba(255,106,0,.45);
}

/* 目录 */
.page-faq .faq-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 4px 0 44px;
}
.page-faq .faq-toc a {
  text-decoration: none;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
  transition: color .25s ease, border-color .25s ease, transform .25s ease, background .25s ease;
}
.page-faq .faq-toc a:hover {
  color: var(--orange);
  border-color: rgba(255,106,0,.45);
  background: rgba(255,106,0,.06);
  transform: translateY(-2px);
}

/* 章节标题 */
.page-faq .faq-section {
  position: relative;
  margin-bottom: 52px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}
.page-faq .faq-section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.page-faq .faq-section-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 56px;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), transparent);
}
.page-faq .faq-section-big {
  font-family: var(--data-font);
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,106,0,.55);
  min-width: 58px;
}
.page-faq .faq-section-title h2 {
  font-family: var(--heading-font);
  font-size: clamp(26px, 4.5vw, 38px);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: .02em;
  margin: 0;
}
.page-faq .faq-section-title p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

/* 手风琴档案轨 */
.page-faq .faq-accordion {
  position: relative;
}
.page-faq .faq-accordion::before {
  content: "";
  position: absolute;
  left: var(--faq-track-left);
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: repeating-linear-gradient(
    to bottom,
    var(--border) 0,
    var(--border) 4px,
    transparent 4px,
    transparent 10px
  );
  opacity: .8;
}

/* 卡片 */
.page-faq .faq-item {
  position: relative;
  margin-bottom: 12px;
  background: linear-gradient(180deg, rgba(255,255,255,.02), transparent 40%), var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.page-faq .faq-item[open] {
  border-color: rgba(255,106,0,.4);
  box-shadow: 0 12px 36px rgba(0,0,0,.35), 0 0 0 1px rgba(255,106,0,.1);
}
.page-faq .faq-item:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  min-height: 60px;
  padding: 14px 46px 14px 34px;
  cursor: pointer;
  transition: color .25s ease;
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item summary:hover {
  color: var(--orange);
}
.page-faq .faq-item summary:active {
  background: rgba(255,106,0,.03);
}
.page-faq .faq-item summary::before {
  content: "";
  position: absolute;
  left: var(--faq-node-left);
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,106,0,.18);
  transform: translateY(-50%);
}

/* 问题编号与文字 */
.page-faq .faq-num {
  font-family: var(--data-font);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
  opacity: .75;
  min-width: 24px;
}
.page-faq .faq-q {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
}

/* 展开图标 */
.page-faq .faq-chevron {
  position: absolute;
  right: 14px;
  top: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 16px;
  font-weight: 400;
  line-height: 1;
  transform: translateY(-50%);
  transition: transform .3s ease, background .25s ease, border-color .25s ease, color .25s ease;
}
.page-faq .faq-item[open] .faq-chevron {
  transform: translateY(-50%) rotate(45deg);
  background: rgba(255,106,0,.12);
  border-color: rgba(255,106,0,.4);
  color: var(--orange);
}

/* 答案 */
.page-faq .faq-a-wrap {
  padding: 0 20px 18px 34px;
}
.page-faq .faq-item[open] .faq-a-wrap {
  animation: faq-fade-in .3s ease both;
}
.page-faq .faq-a-text {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  border-left: 2px solid rgba(255,106,0,.25);
  padding-left: 14px;
}
.page-faq .faq-a-text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0,168,181,.4);
  transition: color .2s ease, border-color .2s ease;
}
.page-faq .faq-a-text a:hover {
  color: var(--cyan-light);
  border-color: rgba(127,219,255,.7);
}

@keyframes faq-fade-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 青色变体 */
.page-faq .faq-accordion--cyan .faq-item summary::before {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,168,181,.18);
}
.page-faq .faq-accordion--cyan .faq-item[open] {
  border-color: rgba(0,168,181,.4);
  box-shadow: 0 12px 36px rgba(0,0,0,.35), 0 0 0 1px rgba(0,168,181,.12);
}
.page-faq .faq-accordion--cyan .faq-item[open] .faq-chevron {
  background: rgba(0,168,181,.12);
  border-color: rgba(0,168,181,.4);
  color: var(--cyan);
}

/* 数据统计图 */
.page-faq .faq-stats-grid {
  display: grid;
  gap: 18px;
  align-items: start;
}
.page-faq .faq-figure {
  margin: 0;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--panel);
  overflow: hidden;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-figure--stats {
  max-width: 100%;
}
.page-faq .faq-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--border);
}
.page-faq .faq-figure figcaption::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,168,181,.15);
}

/* 底部帮助区 */
.page-faq .faq-help-panel {
  position: relative;
  margin: 56px 0 0;
  padding: 34px 26px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background:
    radial-gradient(120% 200% at 88% -10%, rgba(255,106,0,.16), transparent 62%),
    linear-gradient(180deg, var(--panel-2), var(--panel));
  overflow: hidden;
}
.page-faq .faq-help-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  mask-image: linear-gradient(90deg, transparent, #000 55%);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 55%);
}
.page-faq .faq-help-inner {
  position: relative;
  z-index: 1;
}
.page-faq .faq-help-inner .kicker {
  display: inline-block;
  font-family: var(--data-font);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 12px;
}
.page-faq .faq-help-panel h2 {
  font-family: var(--heading-font);
  font-size: clamp(24px, 4.5vw, 38px);
  line-height: 1.08;
  text-transform: uppercase;
  margin: 0 0 12px;
}
.page-faq .faq-help-panel p {
  margin: 0 0 22px;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.7;
  font-size: 15px;
}
.page-faq .faq-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq .faq-help-actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-pill);
}

/* 桌面布局 */
@media (min-width: 860px) {
  .page-faq .breadcrumb {
    padding-top: 32px;
  }
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) 380px;
    align-items: center;
    gap: 44px;
    padding: 48px 0 36px;
  }
  .page-faq .faq-hero-text h1 {
    font-size: clamp(56px, 7vw, 84px);
  }
  .page-faq .faq-hero-media img {
    border-radius: 28px;
  }
  .page-faq .faq-toc {
    margin: 4px 0 56px;
  }
  .page-faq .faq-section {
    margin-bottom: 68px;
  }
  .page-faq .faq-stats-grid {
    grid-template-columns: 380px minmax(0, 1fr);
    gap: 28px;
  }
  .page-faq .faq-figure--stats {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
  .page-faq .faq-accordion::before {
    top: 24px;
    bottom: 24px;
  }
  .page-faq .faq-help-panel {
    padding: 44px 40px;
    margin-top: 68px;
  }
  .page-faq .faq-help-actions {
    gap: 14px;
  }
}

/* 减弱动效 */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item summary,
  .page-faq .faq-chevron,
  .page-faq .faq-a-text a,
  .page-faq .faq-toc a {
    transition: none;
  }
  .page-faq .faq-item[open] .faq-a-wrap {
    animation: none;
  }
}