/* ====== 支持中心页专属样式 ====== */
.page-faq {
  --faq-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --faq-line: rgba(58, 63, 69, 0.18);
  --faq-gold-soft: rgba(195, 150, 61, 0.14);
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

.page-faq .container--wide {
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

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

/* 面包屑 */
.page-faq .breadcrumb {
  padding-top: 1.5rem;
  padding-bottom: 0.5rem;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--ink-mid);
}

.page-faq .breadcrumb a {
  color: var(--ink-mid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.24s var(--faq-ease), border-color 0.24s var(--faq-ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--crimson);
  border-color: var(--crimson);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--ink-mid);
  opacity: 0.5;
}

/* 顶部结论条 */
.page-faq .faq-hero {
  margin-top: 1rem;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(26, 29, 32, 0.94), rgba(14, 63, 74, 0.96)),
    repeating-linear-gradient(90deg, rgba(245, 239, 230, 0.05) 0 1px, transparent 1px 64px),
    var(--ink);
  color: var(--cream);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.page-faq .faq-hero__body {
  padding: 2rem 1.25rem 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.page-faq .faq-hero__body::after {
  content: "";
  display: block;
  width: 146px;
  height: 4px;
  margin-top: 0.25rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--gold), var(--crimson));
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--cream);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.75;
  color: rgba(245, 239, 230, 0.85);
}

.page-faq .faq-hero__notice {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: rgba(245, 239, 230, 0.85);
}

.page-faq .faq-hero__notice .pill {
  background: rgba(195, 150, 61, 0.2);
  color: var(--gold);
  border: 1px solid rgba(195, 150, 61, 0.55);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-faq .faq-hero .btn--ghost-light {
  background: transparent;
  border: 1px solid rgba(245, 239, 230, 0.55);
  color: var(--cream);
}

.page-faq .faq-hero .btn--ghost-light:hover {
  background: rgba(245, 239, 230, 0.12);
  border-color: var(--cream);
  color: var(--cream);
}

.page-faq .faq-hero__visual {
  margin-top: 1.75rem;
  border-top: 1px solid rgba(245, 239, 230, 0.15);
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 400;
  object-fit: cover;
}

/* 正文布局 */
.page-faq .faq-main {
  padding: 2.5rem 0 3rem;
}

.page-faq .faq-layout {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

/* 侧边问题索引 */
.page-faq .faq-index {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--paper-light);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-index__head .eyebrow {
  margin-bottom: 0.25rem;
}

.page-faq .faq-index__head h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  line-height: 1.3;
}

.page-faq .faq-index__desc {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.925rem;
  line-height: 1.6;
  color: var(--ink-mid);
}

.page-faq .faq-search__input {
  box-sizing: border-box;
  width: 100%;
  padding: 0.8rem 1.15rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid rgba(58, 63, 69, 0.35);
  border-radius: var(--radius-pill);
  outline: none;
  transition: border-color 0.24s var(--faq-ease), box-shadow 0.24s var(--faq-ease);
}

.page-faq .faq-search__input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(195, 150, 61, 0.18);
}

.page-faq .faq-search__input::placeholder {
  color: rgba(58, 63, 69, 0.6);
}

.page-faq .faq-index__cats {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 0.5rem;
  padding-bottom: 0.25rem;
  -webkit-overflow-scrolling: touch;
}

.page-faq .filter-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink-mid);
  background: transparent;
  border: 1px solid rgba(58, 63, 69, 0.3);
  cursor: pointer;
  transition: background 0.24s var(--faq-ease), color 0.24s var(--faq-ease), border-color 0.24s var(--faq-ease), transform 0.2s var(--faq-ease);
}

.page-faq .filter-btn:hover {
  color: var(--crimson);
  border-color: var(--crimson);
  transform: translateY(-2px);
}

.page-faq .filter-btn.is-active {
  color: var(--cream);
  background: var(--crimson);
  border-color: var(--crimson);
}

.page-faq .faq-index__note {
  margin-top: 0.25rem;
  padding: 1rem 1.1rem;
  background: var(--faq-gold-soft);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--ink-mid);
}

.page-faq .faq-index__note a {
  color: var(--deep);
  font-weight: 600;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}

/* 右侧答案区 */
.page-faq .faq-answers {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.page-faq .faq-group {
  background: var(--paper-light);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  padding-top: 0.25rem;
  color: var(--gold);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 1.3;
}

.page-faq .faq-group__head p {
  margin: 0.25rem 0 0;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--ink-mid);
}

.page-faq .faq-group__items {
  padding: 1rem 1.25rem;
}

/* 折叠面板 */
.page-faq .collapse {
  border-bottom: 1px solid var(--faq-line);
}

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

.page-faq .collapse summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 0.25rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  transition: color 0.24s var(--faq-ease);
}

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

.page-faq .collapse summary:hover {
  color: var(--crimson);
}

.page-faq .collapse summary::after {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--gold-deep);
  border-bottom: 2px solid var(--gold-deep);
  transform: rotate(45deg);
  transition: transform 0.3s var(--faq-ease);
}

.page-faq .collapse[open] summary::after {
  transform: rotate(-135deg);
}

.page-faq .collapse__content {
  padding: 0.25rem 0 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ink-mid);
}

.page-faq .collapse__content p {
  margin: 0 0 0.85rem;
}

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

.page-faq .faq-answer__lead {
  font-size: 1rem;
  color: var(--ink);
}

.page-faq .faq-answer__figure {
  margin: 1.25rem 0 0;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--paper);
}

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

.page-faq .faq-answer__figure figcaption {
  padding: 0.75rem 1rem;
  background: var(--paper);
  font-size: 0.85rem;
  color: var(--ink-mid);
}

/* 底部联系与反馈 */
.page-faq .faq-contact {
  padding: 3rem 0;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background:
    repeating-linear-gradient(90deg, rgba(245, 239, 230, 0.03) 0 2px, transparent 2px 64px),
    linear-gradient(135deg, var(--deep), var(--ink));
  color: var(--cream);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 2rem;
}

.page-faq .faq-contact h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.page-faq .faq-contact__intro {
  margin: 0;
  max-width: 54ch;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(245, 239, 230, 0.82);
}

.page-faq .faq-contact__steps {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqStep;
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-contact__steps li {
  counter-increment: faqStep;
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: rgba(245, 239, 230, 0.85);
}

.page-faq .faq-contact__steps li::before {
  content: counter(faqStep, decimal-leading-zero);
  flex: 0 0 auto;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1rem;
  color: var(--gold);
}

.page-faq .faq-contact__card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.5rem;
  background: rgba(245, 239, 230, 0.06);
  border: 1px solid rgba(245, 239, 230, 0.15);
  border-radius: var(--radius-lg);
}

.page-faq .faq-contact__item {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  line-height: 1.6;
}

.page-faq .faq-contact__item-label {
  flex: 0 0 auto;
  color: var(--gold);
  font-weight: 600;
}

.page-faq .faq-contact__item-value {
  color: var(--cream);
  word-break: break-all;
}

.page-faq .faq-contact__actions {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-faq .faq-contact .btn--ghost-light {
  background: transparent;
  border: 1px solid rgba(245, 239, 230, 0.5);
  color: var(--cream);
}

.page-faq .faq-contact .btn--ghost-light:hover {
  background: rgba(245, 239, 230, 0.1);
  border-color: var(--cream);
}

/* ====== 平板与桌面断点 ====== */
@media (min-width: 768px) {
  .page-faq .faq-hero__body {
    padding: 3.5rem 3rem 0;
  }

  .page-faq .faq-hero__visual {
    margin-top: 3rem;
  }

  .page-faq .faq-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 2rem;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 1rem;
  }

  .page-faq .faq-index__cats {
    flex-wrap: wrap;
    overflow: visible;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
    gap: 3rem;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-main {
    padding: 4rem 0;
  }

  .page-faq .faq-layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 2.5rem;
  }
}