.page-faq {
  --faq-ink: #1f2328;
  --faq-muted: #6b7280;
  --faq-card-bg: #ffffff;
}

/* ===== Hero 首屏分屏 ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #4B0082 0%, #003399 72%, #003399 100%);
  color: #ffffff;
  padding: 40px 0 76px;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.05) 0 10px, transparent 10px 20px);
  pointer-events: none;
}
.page-faq .faq-hero__inner {
  display: grid;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero__copy {
  position: relative;
  z-index: 2;
}
.page-faq .breadcrumb {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.92;
}
.page-faq .breadcrumb a {
  color: #ffffff;
  text-decoration: none;
}
.page-faq .breadcrumb a:hover {
  color: var(--bw-orange);
}
.page-faq .breadcrumb__sep {
  opacity: 0.5;
}
.page-faq .faq-hero__kicker {
  display: inline-block;
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  font-size: 13px;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.14);
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  margin: 18px 0 12px;
}
.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  margin: 0 0 18px;
  max-width: 10em;
}
.page-faq .faq-hero__lead {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.92);
  max-width: 44em;
  margin: 0 0 26px;
}
.page-faq .faq-hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}
.page-faq .faq-hero__ctas .btn {
  border-radius: var(--radius-pill);
  padding: 11px 24px;
  font-weight: 700;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.page-faq .faq-hero__ctas .btn--primary {
  background: var(--bw-orange);
  border: 2px solid var(--bw-orange);
  color: #ffffff;
}
.page-faq .faq-hero__ctas .btn--ghost {
  border: 2px solid rgba(255, 255, 255, 0.55);
  background: transparent;
  color: #ffffff;
}
.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 32px;
}
.page-faq .faq-hero__fact {
  min-width: 84px;
}
.page-faq .faq-hero__fact .data-number {
  display: block;
  font-family: var(--font-numeric);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--bw-orange);
}
.page-faq .faq-hero__fact .data-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
  margin-top: 4px;
}
.page-faq .faq-hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.page-faq .faq-hero__visual::before {
  content: "";
  position: absolute;
  left: -30%;
  top: 44%;
  width: 160%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--bw-orange), transparent);
  transform: rotate(-14deg);
  z-index: 2;
  pointer-events: none;
}
.page-faq .faq-hero__figure {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bw-orange-light);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  transform: rotate(2deg);
}
.page-faq .faq-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: inherit;
  pointer-events: none;
}
.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-hero__figcap {
  position: absolute;
  left: 16px;
  bottom: 16px;
  font-size: 12px;
  line-height: 1.4;
  background: rgba(0, 0, 0, 0.55);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  color: #ffffff;
}

/* ===== 搜索工具条 ===== */
.page-faq .faq-toolbar {
  position: relative;
  z-index: 5;
  margin-top: -28px;
  padding-bottom: 10px;
}
.page-faq .faq-toolbar__search {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bw-white);
  border: 2px solid var(--bw-orange);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lift);
  padding: 10px 22px;
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
}
.page-faq .faq-toolbar__icon {
  flex-shrink: 0;
  color: var(--bw-orange);
}
.page-faq .faq-toolbar__search label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.page-faq .faq-toolbar__search input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  font-family: var(--font-body);
  font-size: 16px;
  padding: 10px 0;
  color: var(--bw-dark);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.page-faq .faq-toolbar__search input::placeholder {
  color: var(--faq-muted);
  opacity: 0.8;
}
.page-faq .faq-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 20px;
}
.page-faq .faq-cats__item {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  color: var(--bw-dark);
  background: var(--bw-white);
  text-decoration: none;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.page-faq .faq-cats__item span {
  font-family: var(--font-numeric);
  color: var(--bw-orange);
  margin-left: 4px;
}
.page-faq .faq-cats__item.is-active {
  background: var(--bw-blue);
  color: #ffffff;
}
.page-faq .faq-cats__item.is-active span {
  color: #ffffff;
}
.page-faq .faq-cats__item:hover {
  transform: translateY(-2px);
}

/* ===== FAQ 列表 ===== */
.page-faq .faq-list {
  padding: 64px 0 32px;
  background: var(--bw-gray);
}
.page-faq .faq-list__intro {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 44px;
}
.page-faq .faq-list__kicker {
  font-family: var(--font-display);
  color: var(--bw-orange);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.page-faq .faq-list__intro h2 {
  font-family: var(--font-display);
  font-size: 32px;
  line-height: 1.15;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--bw-dark);
}
.page-faq .faq-list__intro p {
  color: #555;
  font-size: 16px;
  line-height: 1.7;
}
.page-faq .faq-list__intro a {
  color: var(--bw-blue);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.page-faq .faq-list__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 56px;
}
.page-faq .faq-stat {
  background: var(--bw-white);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--bw-teal);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--shadow-card);
}
.page-faq .faq-stat .data-number {
  display: block;
  font-family: var(--font-numeric);
  font-size: 34px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--bw-blue);
}
.page-faq .faq-stat .data-label {
  font-size: 13px;
  color: #666;
  margin-top: 6px;
}

/* ===== 分类组 ===== */
.page-faq .faq-category {
  margin: 56px 0 0;
}
.page-faq .faq-category__head {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 26px;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  border-left: 6px solid var(--bw-orange);
  background: var(--bw-blue-light);
}
.page-faq .faq-category__num {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 48px;
  line-height: 1;
  font-weight: 900;
  color: var(--bw-orange);
  background: var(--bw-white);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
}
.page-faq .faq-category__copy {
  flex: 1;
}
.page-faq .faq-category__copy h3 {
  font-family: var(--font-display);
  font-size: 26px;
  text-transform: uppercase;
  color: var(--bw-blue);
  letter-spacing: 0.02em;
  margin: 0;
}
.page-faq .faq-category__copy p {
  color: #4a4a4a;
  font-size: 14px;
  line-height: 1.6;
  margin: 6px 0 0;
}
.page-faq .faq-category__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

/* ===== 折叠卡片 ===== */
.page-faq .faq-item {
  background: var(--bw-white);
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.page-faq .faq-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}
.page-faq .faq-item__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  padding: 20px 18px;
  border-radius: inherit;
}
.page-faq .faq-item__head::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__head::marker {
  content: "";
}
.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bw-orange);
  box-shadow: 0 0 0 4px var(--bw-orange-light);
}
.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #ffffff;
  border-radius: 2px;
}
.page-faq .faq-item__icon::before {
  width: 14px;
  height: 2px;
}
.page-faq .faq-item__icon::after {
  width: 2px;
  height: 14px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.page-faq .faq-item[open] .faq-item__icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0);
}
.page-faq .faq-item__title {
  flex: 1;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: var(--bw-dark);
}
.page-faq .faq-item__body {
  display: none;
  margin-left: 62px;
  padding: 16px 22px 22px 0;
  border-top: 1px dashed var(--bw-gray);
  color: #3d3d3d;
  font-size: 15px;
  line-height: 1.75;
}
.page-faq .faq-item[open] .faq-item__body {
  display: block;
  animation: faqBodyIn 0.3s ease both;
}
@keyframes faqBodyIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.page-faq .faq-item__body p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__body a {
  color: var(--bw-blue);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-item__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--bw-teal);
  background: rgba(0, 128, 128, 0.08);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  margin-top: 12px;
}

/* ===== 联系支持 ===== */
.page-faq .faq-support {
  position: relative;
  overflow: hidden;
  background: var(--bw-indigo);
  color: #ffffff;
  padding: 64px 0;
}
.page-faq .faq-support::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -20%;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(255, 102, 0, 0.28) 0%, transparent 70%);
  pointer-events: none;
}
.page-faq .faq-support__grid {
  display: grid;
  gap: 36px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.page-faq .faq-support__copy {
  position: relative;
  z-index: 1;
}
.page-faq .faq-support__eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bw-orange);
  background: rgba(255, 102, 0, 0.08);
  border: 1px solid rgba(255, 102, 0, 0.4);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  margin-bottom: 16px;
}
.page-faq .faq-support h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 38px);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 0 0 16px;
}
.page-faq .faq-support__copy > p {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin: 0 0 22px;
  max-width: 38em;
}
.page-faq .faq-support__methods {
  display: grid;
  gap: 14px;
  margin: 24px 0;
}
.page-faq .faq-support__line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}
.page-faq .faq-support__label {
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.page-faq .faq-support__line strong {
  font-family: var(--font-numeric);
  font-size: 20px;
  letter-spacing: 0.03em;
  color: var(--bw-orange);
}
.page-faq .faq-support__note {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.68);
  border-left: 3px solid var(--bw-orange);
  padding-left: 14px;
  margin: 0 0 24px;
}
.page-faq .faq-support .btn--primary {
  display: inline-flex;
  align-items: center;
  background: var(--bw-orange);
  border: 2px solid var(--bw-orange);
  color: #ffffff;
  font-weight: 700;
  font-size: 15px;
  padding: 11px 24px;
  border-radius: var(--radius-pill);
  text-decoration: none;
}
.page-faq .faq-support__media {
  display: flex;
  justify-content: center;
}
.page-faq .faq-support__figure {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--bw-orange);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.3);
}
.page-faq .faq-support__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 平板及以上 ===== */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 56px 0 96px;
  }
  .page-faq .faq-hero__inner {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
  }
  .page-faq .faq-list {
    padding: 80px 0 40px;
  }
  .page-faq .faq-list__stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }
  .page-faq .faq-category__head {
    padding: 24px 28px;
  }
  .page-faq .faq-category__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  .page-faq .faq-support {
    padding: 80px 0;
  }
  .page-faq .faq-support__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }
}

/* ===== 桌面优化 ===== */
@media (min-width: 1024px) {
  .page-faq .faq-hero__inner {
    gap: 64px;
  }
  .page-faq .faq-hero__lead {
    font-size: 18px;
  }
  .page-faq .faq-cats {
    gap: 12px;
  }
  .page-faq .faq-cats__item {
    padding: 11px 24px;
  }
  .page-faq .faq-item__head {
    padding: 22px 24px;
  }
  .page-faq .faq-item__title {
    font-size: 17px;
  }
}