/* ========== FAQ 常见问题页面专属样式 ========== */

.page-faq {
  --faq-card: #FFFFFF;
  --faq-line: rgba(10, 30, 60, 0.12);
  --faq-gold-soft: rgba(212, 175, 55, 0.12);
  --faq-cream-soft: rgba(248, 244, 230, 0.85);
  background: var(--c-cream);
  color: var(--c-gray);
  font-family: var(--font-body);
  scroll-behavior: smooth;
}

/* ---------- Hero 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background:
    linear-gradient(120deg, rgba(212, 175, 55, 0.08) 0%, transparent 35%),
    linear-gradient(135deg, var(--c-navy) 0%, var(--c-steel) 100%);
  padding: 26px 0 64px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 34%;
  height: 6px;
  background: linear-gradient(90deg, var(--c-gold) 0%, var(--c-red) 100%);
  border-radius: 0 0 0 4px;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 14px;
  color: var(--faq-cream-soft);
}

.page-faq .breadcrumb a {
  color: var(--c-gold);
  font-weight: 700;
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .breadcrumb-sep {
  color: var(--c-cream);
  opacity: 0.55;
}

.page-faq .faq-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-faq .faq-eyebrow::before {
  content: "";
  display: inline-block;
  width: 30px;
  height: 3px;
  background: var(--c-red);
  transform: skewX(-24deg);
}

.page-faq .faq-hero h1 {
  margin: 0 0 14px;
  max-width: 820px;
  font-family: var(--font-head);
  font-size: clamp(28px, 7vw, 40px);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--c-cream);
  text-wrap: balance;
}

.page-faq .faq-hero-desc {
  max-width: 720px;
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--faq-cream-soft);
}

.page-faq .faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-tag {
  padding: 6px 14px;
  border: 1px solid rgba(212, 175, 55, 0.55);
  border-radius: 999px;
  background: rgba(212, 175, 55, 0.12);
  color: var(--c-gold);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .faq-hero-figure {
  margin: 24px 0 -64px;
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border: 2px solid rgba(212, 175, 55, 0.7);
  border-radius: 16px;
  box-shadow: 0 24px 48px rgba(10, 30, 60, 0.45);
}

/* ---------- 主体两栏布局 ---------- */
.page-faq .faq-body {
  padding: 92px 0 48px;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

/* ---------- 左侧分类目录 ---------- */
.page-faq .faq-catalog {
  background: var(--faq-card);
  border: 1px solid var(--faq-line);
  border-left: 4px solid var(--c-gold);
  border-radius: 14px;
  padding: 22px 18px;
  box-shadow: var(--shadow);
}

.page-faq .faq-catalog-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(212, 175, 55, 0.45);
  font-family: var(--font-head);
  font-size: 17px;
  color: var(--c-navy);
}

.page-faq .faq-catalog-title::after {
  content: "4类";
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--faq-gold-soft);
  color: var(--c-gold);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .faq-catalog-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .faq-catalog-item a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: rgba(10, 30, 60, 0.04);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--c-navy);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.page-faq .faq-catalog-item a:hover {
  background: var(--faq-gold-soft);
  border-color: rgba(212, 175, 55, 0.65);
  transform: translateX(3px);
}

.page-faq .faq-catalog-item img {
  display: block;
  flex-shrink: 0;
  width: 36px;
  height: auto;
  max-width: 100%;
  border: 1px solid rgba(212, 175, 55, 0.45);
  border-radius: 8px;
}

.page-faq .faq-catalog-note {
  padding: 18px 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-steel) 100%);
  color: var(--c-cream);
}

.page-faq .faq-note-title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 16px;
  color: var(--c-gold);
}

.page-faq .faq-note-text {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--faq-cream-soft);
}

.page-faq .faq-catalog-note .btn {
  width: 100%;
  justify-content: center;
  padding: 10px 14px;
  font-size: 14px;
}

/* ---------- 右侧问答内容 ---------- */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 112px;
  margin-bottom: 46px;
}

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

.page-faq .faq-group-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}

.page-faq .faq-group-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-width: 46px;
  height: 46px;
  padding: 0 8px;
  border-right: 3px solid var(--c-gold);
  border-radius: 8px 3px 8px 3px;
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-steel) 100%);
  transform: skewX(-10deg);
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-gold);
}

.page-faq .faq-group-titlewrap {
  padding-top: 2px;
}

.page-faq .faq-group h2 {
  margin: 0 0 4px;
  font-family: var(--font-head);
  font-size: 23px;
  line-height: 1.25;
  color: var(--c-navy);
}

.page-faq .faq-group-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-gray);
}

/* ---------- 手风琴条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--faq-card);
  border: 1px solid var(--faq-line);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.page-faq .faq-item[open] {
  border-color: rgba(212, 175, 55, 0.75);
  box-shadow: 0 10px 30px rgba(10, 30, 60, 0.08);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 17px 18px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-navy);
  transition: background var(--transition);
}

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

.page-faq .faq-item summary:hover {
  background: var(--faq-gold-soft);
}

.page-faq .faq-item[open] summary {
  background: var(--faq-gold-soft);
  border-bottom: 2px solid rgba(212, 175, 55, 0.6);
}

.page-faq .faq-item summary::after {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border: 2px solid var(--c-gold);
  border-radius: 50%;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold);
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(45deg);
  background: var(--c-gold);
  color: var(--c-navy);
}

.page-faq .faq-answer {
  padding: 16px 18px 20px;
  border-left: 3px solid var(--c-gold);
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.05), transparent 55%);
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-gray);
}

.page-faq .faq-answer p {
  margin: 0 0 10px;
}

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

.page-faq .faq-answer ul {
  margin: 4px 0 12px;
  padding-left: 18px;
}

.page-faq .faq-answer li {
  margin-bottom: 6px;
}

.page-faq .faq-answer a {
  color: var(--c-steel);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(212, 175, 55, 0.7);
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.page-faq .faq-answer a:hover {
  color: var(--c-navy);
}

/* ---------- 提示条 ---------- */
.page-faq .faq-notice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 40px 0 0;
  padding: 16px 18px;
  border-left: 4px solid var(--c-terra);
  border-radius: 12px;
  background: rgba(198, 106, 74, 0.09);
}

.page-faq .faq-notice-dot {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--c-terra);
  box-shadow: 0 0 0 4px rgba(198, 106, 74, 0.18);
}

.page-faq .faq-notice p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-gray);
}

/* ---------- 底部帮助区块 ---------- */
.page-faq .faq-cta {
  position: relative;
  margin-top: 64px;
  padding: 44px 0;
  border-top: 2px solid var(--c-gold);
  border-bottom: 2px solid var(--c-gold);
  background: rgba(212, 175, 55, 0.1);
}

.page-faq .faq-cta::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 120px;
  height: 6px;
  border-radius: 0 3px 3px 0;
  background: var(--c-red);
  transform: skewX(-28deg);
}

.page-faq .faq-cta-inner {
  text-align: center;
}

.page-faq .faq-cta-tag {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-terra);
}

.page-faq .faq-cta h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 25px;
  color: var(--c-navy);
}

.page-faq .faq-cta p {
  max-width: 680px;
  margin: 0 auto 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-gray);
}

.page-faq .faq-cta-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

/* ---------- 锚点定位反馈 ---------- */
.page-faq .faq-group:target {
  animation: faq-target-flash 1.6s ease;
}

@keyframes faq-target-flash {
  0%, 100% {
    background: transparent;
  }
  35% {
    background: var(--faq-gold-soft);
  }
}

.page-faq:has(#faq-entry:target) .faq-catalog-item a[href="#faq-entry"],
.page-faq:has(#faq-board:target) .faq-catalog-item a[href="#faq-board"],
.page-faq:has(#faq-update:target) .faq-catalog-item a[href="#faq-update"],
.page-faq:has(#faq-security:target) .faq-catalog-item a[href="#faq-security"] {
  background: var(--faq-gold-soft);
  border-color: var(--c-gold);
  color: var(--c-navy);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 36px 0 80px;
  }

  .page-faq .faq-hero h1 {
    font-size: clamp(32px, 4.5vw, 46px);
  }

  .page-faq .faq-hero-desc {
    font-size: 17px;
  }

  .page-faq .faq-hero-figure {
    margin: 28px 0 -80px;
  }

  .page-faq .faq-hero-figure img {
    aspect-ratio: 4 / 1;
  }

  .page-faq .faq-body {
    padding-top: 108px;
  }

  .page-faq .faq-catalog-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: 44px 0 100px;
  }

  .page-faq .faq-hero h1 {
    font-size: clamp(36px, 4vw, 48px);
  }

  .page-faq .faq-hero-figure {
    margin: 32px 0 -100px;
  }

  .page-faq .faq-body {
    padding: 128px 0 72px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-catalog {
    position: sticky;
    top: 112px;
  }

  .page-faq .faq-catalog-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-group h2 {
    font-size: 26px;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq {
    scroll-behavior: auto;
  }

  .page-faq .faq-catalog-item a,
  .page-faq .faq-item summary::after,
  .page-faq .faq-item summary {
    transition: none;
  }
}