/* ========== 页面专属 CSS：支持中心 ========== */
.page-faq {
  background: var(--color-cream);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ---------- Hero 区域 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 40px 0 56px;
  background: linear-gradient(145deg, var(--color-navy) 0%, var(--color-navy-deep) 65%, #0d2b4d 100%);
  color: #fff;
  overflow: hidden;
}

.page-faq .faq-hero::before,
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  width: 240px;
  height: 240px;
  border: 1px solid var(--color-gold-alpha);
  transform: rotate(45deg);
  pointer-events: none;
}

.page-faq .faq-hero::before {
  top: -60px;
}

.page-faq .faq-hero::after {
  top: -20px;
  right: -30px;
  width: 160px;
  height: 160px;
  border-color: rgba(201, 168, 76, 0.15);
}

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

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  list-style: none;
  margin: 0 0 36px;
  padding: 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

.page-faq .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 6px;
  color: rgba(255, 255, 255, 0.35);
}

.page-faq .breadcrumb__list a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color var(--transition);
}

.page-faq .breadcrumb__list a:hover {
  color: var(--color-gold);
}

.page-faq .faq-hero__grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 10px;
  color: var(--color-gold);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-faq .faq-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.18;
}

.page-faq .faq-hero__desc {
  max-width: 62ch;
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
}

.page-faq .faq-hero__aside {
  align-self: flex-start;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  max-width: 380px;
  padding: 18px 20px;
  border: 1px solid var(--color-gold-alpha);
}

.page-faq .faq-hero__aside-label {
  width: 100%;
  color: var(--color-gold-light);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

.page-faq .faq-hero__aside .btn {
  min-width: 120px;
}

/* ---------- 手册式布局 ---------- */
.page-faq .faq-layout {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 40px 20px 72px;
}

/* ---------- 目录 ---------- */
.page-faq .faq-toc {
  padding: 20px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-gold);
  border-radius: 4px;
}

.page-faq .faq-toc__kicker {
  margin: 0 0 12px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-red);
  text-transform: uppercase;
}

.page-faq .faq-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}

.page-faq .faq-toc__link {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--color-navy);
  text-decoration: none;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.page-faq .faq-toc__link:hover {
  border-color: var(--color-gold);
  background: rgba(201, 168, 76, 0.1);
  color: var(--color-navy);
}

.page-faq .faq-toc__note {
  margin-top: 12px;
}

.page-faq .faq-toc__note p {
  margin: 0;
  font-size: 0.9rem;
}

/* ---------- 主内容区 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-section {
  margin-bottom: 56px;
}

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

.page-faq .section-heading {
  margin-bottom: 20px;
}

.page-faq .faq-section__intro {
  max-width: 68ch;
  margin-bottom: 24px;
  color: #4a4a4a;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 28px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: 8px;
}

.page-faq .faq-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}

.page-faq .faq-figure__caption {
  padding: 10px 4px 2px;
  font-size: 0.85rem;
  color: #666;
  text-align: center;
}

/* ---------- 手风琴折叠面板 ---------- */
.page-faq .faq-accordion {
  margin-top: 8px;
}

.page-faq .accordion {
  margin-bottom: 14px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-gold);
  border-radius: 4px;
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.page-faq .accordion[open] {
  border-color: var(--color-gold);
  box-shadow: 0 6px 20px rgba(10, 31, 60, 0.08);
}

.page-faq .faq-accordion__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-navy);
}

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

.page-faq .faq-accordion__summary:hover {
  background: rgba(201, 168, 76, 0.06);
}

.page-faq .faq-accordion__index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-red);
}

.page-faq .faq-accordion__title {
  flex: 1;
}

.page-faq .faq-accordion__mark {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
  transform: rotate(45deg);
  transition: transform var(--transition);
}

.page-faq .accordion[open] .faq-accordion__mark {
  transform: rotate(225deg);
}

.page-faq .accordion__body {
  padding: 16px 20px 8px;
  border-top: 1px solid rgba(201, 168, 76, 0.2);
}

.page-faq .faq-answer__lead {
  margin: 0 0 16px;
  color: #555;
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}

.page-faq .faq-steps__item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--color-line);
}

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

.page-faq .faq-steps__num {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-navy);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  margin-top: 4px;
  transition: background var(--transition), color var(--transition);
}

.page-faq .faq-steps__item:hover .faq-steps__num {
  background: var(--color-red);
  color: #fff;
}

.page-faq .faq-steps__content {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-steps__title {
  display: block;
  margin-bottom: 4px;
  font-weight: 700;
  color: var(--color-navy);
}

.page-faq .faq-steps__content p {
  margin: 0;
  color: #555;
  font-size: 0.95rem;
}

/* ---------- 排查序号说明 ---------- */
.page-faq .faq-subheading {
  margin: 28px 0 12px;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-navy);
}

.page-faq .faq-code-sample {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin: 20px 0;
  padding: 24px 20px;
  background: var(--color-navy);
  border-radius: 4px;
  border-left: 4px solid var(--color-gold);
}

.page-faq .faq-code-sample__value {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  color: var(--color-gold);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-faq .faq-code-sample__note {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
}

.page-faq .faq-code-table-wrap {
  overflow-x: auto;
  margin: 20px 0;
}

.page-faq .faq-code-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--color-line);
  font-size: 0.95rem;
}

.page-faq .faq-code-table th,
.page-faq .faq-code-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-line);
}

.page-faq .faq-code-table thead th {
  background: var(--color-navy);
  color: var(--color-gold);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.page-faq .faq-code-table td code {
  font-family: var(--font-mono);
  color: var(--color-red);
  background: rgba(224, 90, 51, 0.08);
  padding: 2px 6px;
  border-radius: 3px;
}

.page-faq .faq-code-table tbody tr:last-child td {
  border-bottom: none;
}

.page-faq .faq-code-table tbody tr:nth-child(even) {
  background: rgba(201, 168, 76, 0.05);
}

/* ---------- 提示框 ---------- */
.page-faq .faq-tip {
  margin: 20px 0;
}

.page-faq .faq-tip p {
  margin: 0;
  font-size: 0.92rem;
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 24px 0;
}

.page-faq .faq-contact-card {
  padding: 20px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  border-bottom: 3px solid var(--color-gold);
  transition: transform var(--transition), box-shadow var(--transition);
}

.page-faq .faq-contact-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(10, 31, 60, 0.08);
}

.page-faq .faq-contact-card__label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-red);
  text-transform: uppercase;
}

.page-faq .faq-contact-card__value {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: border-color var(--transition), color var(--transition);
}

.page-faq .faq-contact-card__value:hover {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

.page-faq .faq-contact-card__desc {
  margin: 0;
  font-size: 0.92rem;
  color: #555;
}

/* ---------- 联系 CTA ---------- */
.page-faq .faq-contact-cta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  background: linear-gradient(120deg, var(--color-navy) 0%, var(--color-navy-deep) 100%);
  color: #fff;
  border-radius: 4px;
  margin-top: 28px;
}

.page-faq .faq-contact-cta__kicker {
  margin: 0 0 4px;
  color: var(--color-gold);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-faq .faq-contact-cta__title {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 1.3rem;
}

.page-faq .faq-contact-cta p {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

/* ---------- 响应式：桌面端 ---------- */
@media (min-width: 920px) {
  .page-faq .faq-hero {
    padding: 56px 0 72px;
  }

  .page-faq .faq-hero__grid {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    gap: 48px;
  }

  .page-faq .faq-hero__content {
    flex: 1 1 auto;
  }

  .page-faq .faq-hero__aside {
    flex: 0 0 320px;
    margin-bottom: 8px;
  }

  .page-faq .faq-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
    padding: 56px 24px 96px;
  }

  .page-faq .faq-toc {
    flex: 0 0 240px;
    position: sticky;
    top: 24px;
    padding: 20px 16px;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 4px;
  }

  .page-faq .faq-toc__link {
    display: block;
    border-radius: 4px;
    padding: 10px 12px;
  }

  .page-faq .faq-main {
    flex: 1 1 auto;
    min-width: 0;
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-contact-cta {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}