/* ===== FAQ 页面专属样式 ===== */
.page-faq {
  --faq-green: #16A34A;
  --faq-green-deep: #14532D;
  --faq-orange: #F97316;
  --faq-blue: #1E3A8A;
  --faq-ink: #111827;
  --faq-soft: #F0FDF4;
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* 面包屑 */
.page-faq .breadcrumbs {
  margin-bottom: 20px;
  font-size: 14px;
}

/* ===== 首屏 Hero ===== */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  border: 4px solid var(--faq-ink);
  border-radius: var(--radius);
  background: var(--faq-soft);
  padding: 28px 22px;
  margin-bottom: 52px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 220px;
  height: 14px;
  background: var(--grad-cta);
  clip-path: polygon(0 0, 100% 0, 92% 100%, 0 100%);
}

.page-faq .faq-hero-copy {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 16px;
  font-size: 30px;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--faq-ink);
}

.page-faq .faq-hero-lead {
  margin: 0 0 24px;
  color: var(--faq-green-deep);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 12px 16px;
  background: #DCFCE7;
  border: 2px solid var(--faq-green);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  color: var(--faq-green-deep);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background: #fff;
  border: 2px solid var(--faq-ink);
  border-radius: var(--radius);
  box-shadow: 4px 4px 12px rgba(17, 24, 39, 0.08);
}

.page-faq .faq-stat-num {
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--faq-green);
}

.page-faq .faq-stat-label {
  font-size: 12px;
  color: var(--c-gray);
  letter-spacing: 0.03em;
}

.page-faq .faq-qnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-qnav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--faq-ink);
  border-radius: 999px;
  background: #fff;
  color: var(--faq-ink);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.page-faq .faq-qnav-link:hover {
  transform: translateY(-2px);
  box-shadow: 4px 4px 12px rgba(17, 24, 39, 0.14);
}

.page-faq .faq-qnav-ic {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--faq-green);
}

.page-faq .faq-qnav-link:nth-child(2) .faq-qnav-ic { background: var(--faq-orange); }
.page-faq .faq-qnav-link:nth-child(3) .faq-qnav-ic { background: var(--faq-blue); }
.page-faq .faq-qnav-link:nth-child(4) .faq-qnav-ic { background: var(--faq-green-deep); }
.page-faq .faq-qnav-link:nth-child(5) .faq-qnav-ic { background: #6B7280; }

.page-faq .faq-qnav-count {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--c-gray);
}

.page-faq .faq-hero-figure {
  margin: 0;
  border: 4px solid var(--faq-ink);
  border-radius: var(--radius);
  background: var(--grad-primary);
  overflow: hidden;
  box-shadow: 10px 10px 0 rgba(17, 24, 39, 0.1);
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-hero-figure figcaption {
  background: #fff;
  color: var(--faq-green-deep);
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 700;
}

/* ===== 常见问题列表 ===== */
.page-faq .faq-list {
  margin: 56px 0 64px;
}

.page-faq .faq-list-head {
  max-width: 760px;
  margin-bottom: 40px;
}

.page-faq .faq-list-head::before {
  content: "";
  display: block;
  width: 64px;
  height: 10px;
  background: var(--grad-cta);
  clip-path: polygon(0 0, 100% 0, 85% 100%, 0 100%);
  margin-bottom: 12px;
}

.page-faq .faq-list h2 {
  margin: 10px 0 12px;
  font-size: 28px;
  line-height: 1.2;
  color: var(--faq-ink);
}

.page-faq .faq-list-desc {
  margin: 0;
  color: var(--c-gray);
  font-size: 15px;
  line-height: 1.75;
}

/* 分节 */
.page-faq .faq-group {
  margin-bottom: 48px;
  scroll-margin-top: 20px;
}

.page-faq .faq-group-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 4px solid var(--faq-ink);
}

.page-faq .faq-group-num {
  flex: 0 0 auto;
  background: var(--faq-ink);
  color: #fff;
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  line-height: 1.2;
}

.page-faq .faq-group-head h3 {
  font-size: 22px;
  margin: 0;
  color: var(--faq-ink);
}

.page-faq .faq-group-account .faq-group-head h3 { color: var(--faq-green-deep); }
.page-faq .faq-group-data .faq-group-head h3 { color: var(--faq-orange); }
.page-faq .faq-group-column .faq-group-head h3 { color: var(--faq-blue); }
.page-faq .faq-group-case .faq-group-head h3 { color: var(--faq-green-deep); }
.page-faq .faq-group-connect .faq-group-head h3 { color: var(--c-gray); }

/* 折叠项 */
.page-faq .faq-item {
  background: #fff;
  border: 3px solid var(--faq-ink);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow 0.3s ease-out, transform 0.3s ease-out;
}

.page-faq .faq-item[open] {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  font-weight: 700;
  font-size: 15px;
  color: var(--faq-ink);
  transition: background 0.3s ease-out;
}

.page-faq .faq-item summary:hover {
  background: #F9FAFB;
}

.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item summary:focus-visible {
  outline: 3px solid var(--faq-orange);
  outline-offset: -1px;
}

.page-faq .faq-item summary::before {
  content: "";
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--faq-green);
}

.page-faq .faq-group-data .faq-item summary::before {
  width: 0;
  height: 0;
  border: none;
  border-left: 9px solid transparent;
  border-right: 9px solid transparent;
  border-bottom: 16px solid var(--faq-orange);
  border-radius: 0;
  background: transparent;
}

.page-faq .faq-group-column .faq-item summary::before {
  height: 12px;
  border-radius: 2px;
  background: var(--faq-blue);
}

.page-faq .faq-group-case .faq-item summary::before {
  border-radius: 2px;
  background: var(--faq-green-deep);
  transform: rotate(45deg);
}

.page-faq .faq-group-connect .faq-item summary::before {
  background: var(--faq-orange);
  box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.2);
}

.page-faq .faq-item summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 24px;
  line-height: 1;
  font-weight: 700;
  color: var(--faq-green-deep);
  margin-left: auto;
  flex: 0 0 auto;
  transition: transform 0.3s ease-out;
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(45deg);
}

.page-faq .faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease-out;
}

.page-faq .faq-item[open] .faq-answer {
  grid-template-rows: 1fr;
}

.page-faq .faq-answer-inner {
  min-height: 0;
  overflow: hidden;
}

.page-faq .faq-answer-inner p {
  margin: 0;
  padding: 16px 20px 20px;
  border-top: 2px dashed #E5E7EB;
  color: #374151;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-answer-inner a {
  color: var(--faq-green-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 联系支持 ===== */
.page-faq .faq-contact {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  border: 4px solid var(--faq-ink);
  border-radius: var(--radius);
  background: var(--grad-primary);
  color: #fff;
  padding: 28px 22px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.page-faq .faq-contact::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-contact-copy {
  position: relative;
  z-index: 1;
}

.page-faq .faq-contact .section-label {
  color: #BBF7D0;
}

.page-faq .faq-contact h2 {
  margin: 8px 0 12px;
  font-size: 26px;
  line-height: 1.2;
  color: #fff;
}

.page-faq .faq-contact-lead {
  margin: 0 0 20px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: 8px;
  padding: 10px 14px;
}

.page-faq .faq-contact-label {
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.75;
}

.page-faq .faq-contact-item a {
  color: #fff;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-contact .btn-outline {
  border-color: rgba(255, 255, 255, 0.9);
  color: #fff;
}

.page-faq .faq-contact .btn-outline:hover {
  background: #fff;
  color: var(--faq-green-deep);
}

.page-faq .faq-contact-note {
  margin-top: 14px;
  font-size: 13px;
  opacity: 0.7;
  line-height: 1.6;
}

.page-faq .faq-contact-figure {
  position: relative;
  z-index: 1;
  margin: 0;
  border: 4px solid #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 8px 8px 0 rgba(255, 255, 255, 0.18);
  align-self: end;
}

.page-faq .faq-contact-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-contact-figure figcaption {
  background: #fff;
  color: var(--faq-green-deep);
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 700;
}

/* ===== 底部信任条 ===== */
.page-faq .faq-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 40px;
  padding: 16px 20px;
  background: var(--faq-soft);
  border-left: 4px solid var(--faq-orange);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--c-gray);
  line-height: 1.6;
}

.page-faq .faq-trust a {
  color: var(--faq-green-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq {
    padding: 32px 40px 88px;
  }

  .page-faq .faq-hero {
    grid-template-columns: 1.35fr 1fr;
    align-items: center;
    gap: 40px;
    padding: 40px 44px;
  }

  .page-faq .faq-hero h1 {
    font-size: 40px;
  }

  .page-faq .faq-hero-lead {
    font-size: 16px;
  }

  .page-faq .faq-qnav {
    max-width: 540px;
  }

  .page-faq .faq-list h2 {
    font-size: 32px;
  }

  .page-faq .faq-group-head h3 {
    font-size: 26px;
  }

  .page-faq .faq-item summary {
    font-size: 16px;
    padding: 18px 20px;
  }

  .page-faq .faq-contact {
    grid-template-columns: 1fr 0.85fr;
    align-items: center;
    gap: 44px;
    padding: 40px 44px;
  }

  .page-faq .faq-contact h2 {
    font-size: 32px;
  }
}