/* ===== page-faq 专属样式 ===== */
.page-faq {
  --faq-sidebar-width: 240px;
  --faq-content-max: 820px;
  --faq-card-radius: var(--radius-lg);
  --faq-item-radius: var(--radius-md);
  --faq-indent: 24px;
  --faq-hot-badge: var(--orange);
  --faq-section-gap: 56px;

  background: var(--white);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
}

/* ---------- 顶部横幅 ---------- */
.page-faq .faq-hero {
  background: var(--green);
  padding: 40px 0 0;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 20px,
    rgba(255,255,255,0.04) 20px,
    rgba(255,255,255,0.04) 21px
  );
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero-text {
  flex: 1 1 240px;
}

.page-faq .faq-hero-text h1 {
  font-family: var(--font-heading);
  font-size: 42px;
  line-height: 1.1;
  color: var(--text-inverse);
  margin: 0 0 8px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.page-faq .faq-hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
  margin: 0;
  font-weight: 400;
}

.page-faq .faq-hero-visual {
  flex: 0 0 auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transform: rotate(1.5deg) scale(1.02);
  transition: transform 0.35s ease;
}

.page-faq .faq-hero-visual:hover {
  transform: rotate(0deg) scale(1);
}

.page-faq .faq-hero-img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .scale-border {
  height: 6px;
  margin-top: 32px;
  background: linear-gradient(90deg, var(--orange) 0%, var(--green-light) 40%, var(--orange) 70%, var(--green-light) 100%);
  background-size: 48px 100%;
  border-radius: 3px 3px 0 0;
  position: relative;
}

.page-faq .scale-border::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: repeating-linear-gradient(
    90deg,
    var(--white) 0px,
    var(--white) 4px,
    transparent 4px,
    transparent 8px
  );
  opacity: 0.2;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 16px;
  padding-bottom: 16px;
  font-size: 14px;
  color: var(--text-secondary);
}

.page-faq .breadcrumb a {
  color: var(--green);
  text-decoration: none;
  font-weight: 500;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--orange);
  outline: 2px solid var(--orange);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.page-faq .breadcrumb-sep {
  color: var(--gray-border);
  font-family: var(--font-mono);
  font-size: 14px;
}

/* ---------- 主布局：侧栏 + 内容 ---------- */
.page-faq .faq-layout {
  display: flex;
  gap: 40px;
  padding-top: 32px;
  padding-bottom: 64px;
  align-items: flex-start;
}

/* 侧栏 */
.page-faq .faq-sidebar {
  flex: 0 0 var(--faq-sidebar-width);
  min-width: 0;
}

.page-faq .faq-sidebar-inner {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  background: var(--neutral_gray_light, #F5F5F5);
  border-radius: var(--faq-card-radius);
  padding: 24px 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-border);
}

.page-faq .faq-sidebar-title {
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.2;
  color: var(--text-primary);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.page-faq .faq-category-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .cat-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: background 0.2s, color 0.2s, transform 0.15s;
  position: relative;
}

.page-faq .cat-link .cat-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gray-border);
  flex-shrink: 0;
  transition: background 0.2s, transform 0.2s;
}

.page-faq .cat-link:hover {
  background: var(--white);
  color: var(--green);
  transform: translateX(4px);
}

.page-faq .cat-link:hover .cat-indicator {
  background: var(--orange);
  transform: scale(1.4);
}

.page-faq .cat-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
  background: var(--white);
}

.page-faq .faq-sidebar-cta {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-border);
  text-align: center;
}

.page-faq .faq-sidebar-cta-text {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 0 12px;
}

.page-faq .faq-sidebar-cta .btn {
  width: 100%;
  text-align: center;
}

/* 内容区 */
.page-faq .faq-content {
  flex: 1 1 0;
  min-width: 0;
  max-width: var(--faq-content-max);
}

/* ---------- 分区通用 ---------- */
.page-faq .faq-section {
  margin-bottom: var(--faq-section-gap);
  scroll-margin-top: calc(var(--header-height) + 16px);
}

.page-faq .faq-section:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-section-title {
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1.2;
  color: var(--text-primary);
  margin: 0 0 24px;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--green);
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* ---------- 分类卡片 ---------- */
.page-faq .faq-category-cards {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.page-faq .cat-card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--faq-card-radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.page-faq .cat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.page-faq .cat-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--neutral_gray_light, #F5F5F5);
  border-bottom: 1px solid var(--gray-border);
}

.page-faq .cat-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--white);
  padding: 4px;
  box-shadow: var(--shadow-sm);
}

.page-faq .cat-icon-fallback {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  background: var(--green);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 28px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.page-faq .cat-name {
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.2;
  color: var(--text-primary);
  margin: 0;
  flex: 1 1 auto;
  text-transform: uppercase;
}

.page-faq .cat-card .tag {
  flex-shrink: 0;
}

/* ---------- 折叠项 ---------- */
.page-faq .faq-items {
  padding: 8px 20px 12px;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--gray-border);
  border-radius: 0;
}

.page-faq .faq-item:last-child {
  border-bottom: none;
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 8px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  list-style: none;
  transition: color 0.2s, background 0.2s;
  border-radius: var(--faq-item-radius);
  user-select: none;
}

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

.page-faq .faq-item summary::after {
  content: '+';
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--green);
  transition: transform 0.25s ease, color 0.2s;
  flex-shrink: 0;
}

.page-faq .faq-item[open] summary::after {
  content: '−';
  transform: rotate(180deg);
  color: var(--orange);
}

.page-faq .faq-item summary:hover {
  background: var(--neutral_gray_light, #F5F5F5);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
  background: var(--neutral_gray_light, #F5F5F5);
}

.page-faq .q-marker {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
  background: rgba(255,140,0,0.1);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-faq .faq-answer {
  padding: 4px 8px 16px 48px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.page-faq .faq-answer p {
  margin: 0 0 8px;
}

.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-answer a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--orange);
  outline: 2px solid var(--orange);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- 热门问答 ---------- */
.page-faq .faq-hot-list {
  background: var(--white);
  border: 2px solid var(--orange);
  border-radius: var(--faq-card-radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  padding: 4px 20px;
}

.page-faq .faq-item-hot summary {
  font-weight: 600;
  color: var(--text-primary);
}

.page-faq .faq-item-hot .q-index {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--orange);
  background: rgba(255,140,0,0.12);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  font-weight: 700;
  letter-spacing: 0.06em;
  min-width: 36px;
  text-align: center;
}

.page-faq .faq-item-hot[open] {
  background: rgba(255,140,0,0.03);
  border-radius: var(--faq-item-radius);
}

/* ---------- 联系支持卡片 ---------- */
.page-faq .faq-contact-card {
  display: flex;
  gap: 32px;
  align-items: center;
  background: var(--green);
  border-radius: var(--faq-card-radius);
  padding: 32px 36px;
  box-shadow: var(--shadow-md);
  color: var(--text-inverse);
  flex-wrap: wrap;
}

.page-faq .faq-contact-info {
  flex: 1 1 260px;
}

.page-faq .faq-contact-intro {
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 20px;
  color: rgba(255,255,255,0.95);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-contact-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
}

.page-faq .faq-contact-list .contact-label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  min-width: 44px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.page-faq .faq-contact-list .contact-value {
  font-weight: 500;
  color: var(--text-inverse);
  word-break: break-all;
}

.page-faq .faq-contact-note {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  margin: 0 0 20px;
  padding: 12px 16px;
  background: rgba(0,0,0,0.15);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--orange);
}

.page-faq .faq-contact-note::before {
  content: '💬 ';
  font-size: 16px;
}

.page-faq .faq-contact-visual {
  flex: 0 0 300px;
  max-width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: rotate(-1deg);
  transition: transform 0.3s ease;
}

.page-faq .faq-contact-visual:hover {
  transform: rotate(0deg) scale(1.01);
}

.page-faq .faq-contact-visual img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-contact-info .btn {
  margin-top: 4px;
  background: var(--white);
  color: var(--green);
  border: 2px solid var(--white);
}

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

/* ---------- 工具类微调 ---------- */
.page-faq .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-xl);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.page-faq .tag-orange {
  background: var(--orange);
  color: var(--white);
}

.page-faq .btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, box-shadow 0.25s, transform 0.2s;
  border: 1px solid transparent;
  line-height: 1.4;
}

.page-faq .btn-primary {
  background: var(--green);
  color: var(--text-inverse);
  border-color: var(--green);
}

.page-faq .btn-primary:hover,
.page-faq .btn-primary:focus-visible {
  background: var(--green-dark);
  border-color: var(--green-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  outline: none;
}

.page-faq .btn-secondary {
  background: transparent;
  color: var(--text-inverse);
  border-color: var(--white);
}

.page-faq .btn-secondary:hover,
.page-faq .btn-secondary:focus-visible {
  background: var(--white);
  color: var(--green);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  outline: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .page-faq .faq-hero-text h1 {
    font-size: 32px;
  }

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

  .page-faq .faq-hero-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-faq .faq-hero-visual {
    width: 100%;
    transform: none;
  }

  .page-faq .faq-hero-visual:hover {
    transform: none;
  }

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

  .page-faq .faq-layout {
    flex-direction: column;
    gap: 24px;
    padding-top: 16px;
    padding-bottom: 40px;
  }

  .page-faq .faq-sidebar {
    flex: none;
    width: 100%;
  }

  .page-faq .faq-sidebar-inner {
    position: static;
    padding: 16px 12px;
  }

  .page-faq .faq-category-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }

  .page-faq .cat-link {
    padding: 8px 14px;
    font-size: 14px;
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-border);
  }

  .page-faq .cat-link .cat-indicator {
    display: none;
  }

  .page-faq .cat-link:hover {
    transform: none;
    background: var(--orange);
    color: var(--white);
    border-color: var(--orange);
  }

  .page-faq .faq-sidebar-cta .btn {
    width: auto;
    padding: 8px 20px;
  }

  .page-faq .faq-section-title {
    font-size: 24px;
  }

  .page-faq .cat-card-header {
    flex-wrap: wrap;
    gap: 8px;
  }

  .page-faq .cat-name {
    font-size: 18px;
  }

  .page-faq .faq-item summary {
    font-size: 15px;
    padding: 12px 4px;
  }

  .page-faq .faq-answer {
    padding-left: 36px;
    font-size: 14px;
  }

  .page-faq .faq-hot-list {
    padding: 4px 12px;
  }

  .page-faq .faq-contact-card {
    flex-direction: column;
    padding: 24px 20px;
    gap: 20px;
  }

  .page-faq .faq-contact-visual {
    flex: none;
    width: 100%;
    max-width: 300px;
    transform: none;
  }

  .page-faq .faq-contact-visual:hover {
    transform: none;
  }

  .page-faq .faq-contact-list li {
    font-size: 14px;
  }

  .page-faq .faq-contact-list .contact-label {
    min-width: 38px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-hero-text h1 {
    font-size: 26px;
  }

  .page-faq .faq-hero-sub {
    font-size: 14px;
  }

  .page-faq .faq-section-title {
    font-size: 20px;
  }

  .page-faq .cat-card-header {
    padding: 12px 14px;
  }

  .page-faq .cat-icon,
  .page-faq .cat-icon-fallback {
    width: 44px;
    height: 44px;
    font-size: 20px;
  }

  .page-faq .faq-items {
    padding: 4px 12px 8px;
  }

  .page-faq .faq-item summary {
    font-size: 14px;
    gap: 8px;
  }

  .page-faq .q-marker {
    font-size: 11px;
    padding: 1px 6px;
  }

  .page-faq .faq-answer {
    padding-left: 28px;
    font-size: 13px;
  }

  .page-faq .faq-contact-card {
    padding: 20px 16px;
  }
}

.page-faq {
  --neutral_gray_light: transparent;
}