.page-faq {
  --faq-open-bg: #FBF8EF;
  --faq-cut: polygon(0 14px, 14px 0, calc(100% - 14px) 0, 100% 14px, 100% calc(100% - 14px), calc(100% - 14px) 100%, 14px 100%, 0 calc(100% - 14px));
  --faq-stripe-dark: repeating-linear-gradient(-45deg, rgba(245,239,224,0.07) 0 1px, transparent 1px 10px);
  --faq-stripe-green: repeating-linear-gradient(-45deg, rgba(11,93,59,0.06) 0 1px, transparent 1px 10px);
  --faq-stripe-gold: repeating-linear-gradient(-45deg, rgba(212,175,55,0.16) 0 1px, transparent 1px 10px);
  color: var(--color-text-dark);
  overflow-x: hidden;
}
.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

/* 01 首屏：杂志封面式帮助索引 */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(2.5rem, 6vw, 5rem) 0;
  background: var(--color-primary);
  color: var(--color-text-light);
  overflow: hidden;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: -10%;
  width: 46%;
  height: 100%;
  background-image: var(--faq-stripe-dark);
  clip-path: polygon(16% 0, 100% 0, 72% 100%, 0 100%);
  opacity: 0.8;
  pointer-events: none;
}
.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero-grid {
  display: grid;
  gap: 2rem;
  padding-top: 1.5rem;
}
.page-faq .faq-hero-copy {
  max-width: 44rem;
}
.page-faq .faq-hero h1.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: 0.01em;
  margin: 0.5rem 0 1rem;
  text-transform: none;
}
.page-faq .faq-hero-lede {
  font-size: 1rem;
  line-height: 1.75;
  max-width: 56ch;
  color: rgba(245, 239, 224, 0.88);
  margin-bottom: 1.75rem;
}
.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--color-gold);
}

/* 01a 问题检索索引卡 */
.page-faq .faq-index {
  margin-top: 0.5rem;
  background: var(--color-paper);
  color: var(--color-text-dark);
  border-left: 4px solid var(--color-gold);
  clip-path: var(--faq-cut);
  padding: clamp(1.5rem, 3vw, 2rem);
  position: relative;
}
.page-faq .faq-index::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background-image: var(--faq-stripe-green);
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-faq .faq-index-title {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 1.25rem;
}
.page-faq .faq-index-icon {
  width: 0.875rem;
  height: 0.875rem;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  position: relative;
  display: inline-block;
  flex: 0 0 auto;
}
.page-faq .faq-index-icon::after {
  content: "";
  position: absolute;
  width: 1.5px;
  height: 5px;
  background: currentColor;
  transform: rotate(-45deg);
  right: -1px;
  bottom: -3px;
  border-radius: 0;
}
.page-faq .faq-index-list {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-index-list li + li {
  border-top: 1px dashed rgba(11, 93, 59, 0.2);
}
.page-faq .faq-index-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 4px 0.8rem 0;
  color: var(--color-text-dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.page-faq .faq-index-list a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--color-gold-dark);
  font-size: 0.875rem;
  transition: transform 0.2s ease;
}
.page-faq .faq-index-list a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}
.page-faq .faq-index-list a:hover::after {
  transform: translateX(3px);
}

/* 02 章节通用结构 */
.page-faq .faq-section {
  padding: clamp(3.5rem, 7vw, 6.5rem) 0;
  background: var(--color-paper);
  color: var(--color-text-dark);
}
.page-faq .faq-section::before {
  content: "";
  display: block;
  height: 4px;
  background: var(--faq-stripe-gold);
}
.page-faq .faq-section--dark {
  background: var(--color-primary);
  color: var(--color-text-light);
}
.page-faq .faq-section--paper {
  background-color: #EDE5D0;
  background-image: var(--faq-stripe-green);
}
.page-faq .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 1rem;
  margin-bottom: 2.25rem;
}
.page-faq .chapter-label {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gold-dark);
  border: 1px solid currentColor;
  padding: 0.2rem 0.55rem;
  letter-spacing: 0.08em;
}
.page-faq .section-title {
  width: 100%;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.1;
  margin: 0.5rem 0 0.25rem;
  color: var(--color-text-dark);
}
.page-faq .faq-section--dark .section-title {
  color: var(--color-text-light);
}
.page-faq .section-desc {
  width: 100%;
  font-size: 1rem;
  line-height: 1.75;
  max-width: 62ch;
  margin: 0;
  color: rgba(26, 26, 26, 0.72);
}
.page-faq .faq-section--dark .section-desc {
  color: rgba(245, 239, 224, 0.78);
}

/* 03 手风琴折叠面板 */
.page-faq .faq-body {
  margin-top: 1.5rem;
}
.page-faq .faq-list {
  display: grid;
  gap: 0.875rem;
}
.page-faq .faq-item {
  background: #FFFCF7;
  border: 1px solid rgba(11, 93, 59, 0.12);
  border-left: 4px solid var(--color-gold);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.07);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.page-faq .faq-item[open] {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
  border-left-color: var(--color-gold-dark);
}
.page-faq .faq-q {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1rem 1.125rem;
  cursor: pointer;
  transition: background-color 0.25s ease;
}
.page-faq .faq-q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-q-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(11, 93, 59, 0.08);
  min-width: 2.6rem;
  height: 2.6rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.page-faq .faq-q-text {
  flex: 1 1 auto;
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 1.45;
  color: var(--color-text-dark);
}
.page-faq .faq-q-icon {
  flex: 0 0 auto;
  width: 1.75rem;
  height: 1.75rem;
  border: 1px solid var(--color-gold-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-gold-dark);
  transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}
.page-faq .faq-q-icon::before {
  content: "+";
  line-height: 1;
}
.page-faq .faq-item[open] .faq-q {
  background: var(--faq-open-bg);
}
.page-faq .faq-item[open] .faq-q-icon {
  background: var(--color-gold);
  color: var(--color-black);
  transform: rotate(45deg);
}
.page-faq .faq-a {
  padding: 1rem 1.25rem 1.25rem;
  border-top: 1px dashed rgba(184, 134, 11, 0.4);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(26, 26, 26, 0.82);
  background: var(--faq-open-bg);
  transition: background-color 0.25s ease;
}
.page-faq .faq-a p {
  margin: 0 0 0.75rem;
}
.page-faq .faq-a p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-a .btn {
  margin-top: 0.75rem;
}

/* 03a 深色章节内的折叠面板 */
.page-faq .faq-section--dark .faq-item {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
  border-left-color: var(--color-gold);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
}
.page-faq .faq-section--dark .faq-item[open] {
  border-left-color: var(--color-gold);
}
.page-faq .faq-section--dark .faq-q-text {
  color: var(--color-text-light);
}
.page-faq .faq-section--dark .faq-q-num {
  color: var(--color-gold);
  background: rgba(212, 175, 55, 0.12);
}
.page-faq .faq-section--dark .faq-q-icon {
  color: var(--color-gold);
  border-color: rgba(212, 175, 55, 0.6);
}
.page-faq .faq-section--dark .faq-item[open] .faq-q {
  background: rgba(11, 93, 59, 0.45);
}
.page-faq .faq-section--dark .faq-item[open] .faq-q-icon {
  background: var(--color-gold);
  color: var(--color-black);
}
.page-faq .faq-section--dark .faq-a {
  background: rgba(11, 93, 59, 0.32);
  border-top-color: rgba(212, 175, 55, 0.35);
  color: rgba(245, 239, 224, 0.86);
}
.page-faq .faq-section--dark .faq-a .btn-ghost {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* 04 图文与数据说明区域 */
.page-faq .faq-media {
  margin-top: 1.75rem;
}
.page-faq .faq-media img {
  display: block;
  max-width: 100%;
  height: auto;
}
.page-faq .faq-media--steps {
  border: 1px solid rgba(11, 93, 59, 0.18);
  background: var(--color-paper);
  padding: 0.75rem;
}
.page-faq .faq-media--steps img {
  width: 100%;
  object-fit: cover;
}
.page-faq .faq-media--refresh {
  border: 1px solid rgba(212, 175, 55, 0.32);
  background: radial-gradient(circle at 50% 45%, rgba(212, 175, 55, 0.18), transparent 70%);
  padding: 1.25rem;
  display: grid;
  place-items: center;
}
.page-faq .faq-media--refresh img {
  width: min(300px, 100%);
  height: auto;
}
.page-faq .media-caption {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  padding: 0.875rem 0.25rem 0.25rem;
  color: rgba(26, 26, 26, 0.68);
}
.page-faq .faq-section--dark .media-caption {
  color: rgba(245, 239, 224, 0.72);
}

/* 05 底部帮助 CTA */
.page-faq .faq-help {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
  background: var(--color-black);
  color: var(--color-text-light);
}
.page-faq .faq-help-card {
  position: relative;
  background: linear-gradient(125deg, rgba(11, 93, 59, 0.92) 0%, rgba(6, 61, 38, 0.88) 60%, rgba(11, 93, 59, 0.7) 100%);
  clip-path: var(--faq-cut);
  padding: clamp(2rem, 5vw, 3.75rem);
  border-left: 4px solid var(--color-gold);
  overflow: hidden;
}
.page-faq .faq-help-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 34%;
  height: 100%;
  background-image: var(--faq-stripe-dark);
  opacity: 0.55;
  pointer-events: none;
}
.page-faq .faq-help-kicker {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.page-faq .faq-help-title {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 4vw, 2.8rem);
  line-height: 1.12;
  margin: 0.6rem 0 1rem;
  color: var(--color-text-light);
}
.page-faq .faq-help-desc {
  position: relative;
  z-index: 1;
  max-width: 52ch;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(245, 239, 224, 0.86);
  margin: 0;
}
.page-faq .faq-help-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 1.75rem;
}
.page-faq .faq-help-actions .btn-primary {
  background: var(--color-gold);
  color: var(--color-black);
  border-color: var(--color-gold);
}
.page-faq .faq-help-actions .btn-ghost {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* 05a 联系方式网格 */
.page-faq .faq-contact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2.75rem;
  border-top: 1px solid rgba(212, 175, 55, 0.28);
  padding-top: 2.5rem;
}
.page-faq .faq-contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-right: 1.5rem;
}
.page-faq .faq-contact-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.page-faq .faq-contact-value {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(245, 239, 224, 0.92);
  word-break: break-all;
}

/* 06 桌面端与响应式增强 */
@media (min-width: 700px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-faq .faq-media {
    margin-top: 0;
  }
}

@media (min-width: 560px) {
  .page-faq .faq-a {
    padding-left: calc(1.125rem + 3.5rem);
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
    gap: 3rem;
  }
  .page-faq .faq-index {
    margin-top: 2.75rem;
  }
  .page-faq .faq-body--features,
  .page-faq .faq-body--data {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 2.5rem;
  }
  .page-faq .faq-body--data .faq-media--refresh {
    margin-top: 0.5rem;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-hero-grid {
    gap: 4.5rem;
  }
  .page-faq .faq-body--features,
  .page-faq .faq-body--data {
    gap: 3.5rem;
  }
}