.page-faq {
  --faq-rule: #E2DBCC;
  --faq-panel: var(--paper-light);
  --faq-ink-soft: #2C3B40;
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* 面包屑 */
.page-faq .breadcrumb {
  padding-block: 18px 4px;
}
.page-faq .breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--tea);
}
.page-faq .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--hill);
}
.page-faq .breadcrumb-list a {
  color: var(--tea);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s ease, color .18s ease;
}
.page-faq .breadcrumb-list a:hover,
.page-faq .breadcrumb-list a:focus-visible {
  color: var(--sea);
  border-bottom-color: var(--copper);
}
.page-faq .breadcrumb-list [aria-current="page"] {
  color: var(--sea);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(18px, 3.5vw, 34px) clamp(20px, 4vw, 40px);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(152deg, rgba(127, 169, 164, 0.24), rgba(244, 239, 230, 0) 62%);
  clip-path: polygon(0 0, 100% 0, 100% 56%, 0 100%);
  pointer-events: none;
}
.page-faq .faq-hero > .wrap {
  position: relative;
}
.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}
@media (min-width: 940px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: end;
  }
}
.page-faq .faq-hero__copy .eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--tea);
}
.page-faq h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.85rem, 4.2vw, 3.1rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--sea);
  margin: 10px 0 0;
  max-width: 16em;
}
.page-faq .lede {
  margin: 14px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--faq-ink-soft);
  max-width: 44em;
}

/* 常找问题胶囊 */
.page-faq .faq-hot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.page-faq .faq-hot__label {
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--tea);
}
.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: var(--pill);
  background: rgba(127, 169, 164, 0.18);
  border: 1px solid rgba(127, 169, 164, 0.5);
  color: var(--sea);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: background .2s ease, transform .2s ease, border-color .2s ease;
}
.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  background: rgba(127, 169, 164, 0.34);
  border-color: var(--mist);
  transform: translateY(-1px);
}

/* 图片 */
.page-faq .figure {
  margin: 0;
}
.page-faq .faq-hero__figure {
  margin-top: clamp(22px, 4vw, 36px);
}
.page-faq .figure-frame {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--faq-rule);
  background: var(--paper-deep);
}
.page-faq .figure-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-faq .figure-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--tea);
}

/* 主体两栏 */
.page-faq .faq-body {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(26px, 4.5vw, 46px);
  align-items: start;
}
@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 232px minmax(0, 1fr);
  }
}

/* 左侧分类索引 */
.page-faq .faq-index {
  display: none;
  padding: 20px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--faq-rule);
  background: linear-gradient(180deg, rgba(127, 169, 164, 0.2), rgba(251, 248, 242, 0.92));
  position: sticky;
  top: calc(var(--header-h) + 18px);
}
@media (min-width: 980px) {
  .page-faq .faq-index {
    display: block;
  }
}
.page-faq .faq-index__title {
  margin: 0 0 12px;
  padding-left: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--tea);
}
.page-faq .rail-link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 8px;
  border-radius: var(--radius-sm);
  color: var(--sea);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: background .18s ease, color .18s ease;
}
.page-faq .rail-link .mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--copper);
}
.page-faq .rail-link:hover,
.page-faq .rail-link:focus-visible {
  background: rgba(127, 169, 164, 0.26);
}

/* 筛选条 */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}
@media (max-width: 979px) {
  .page-faq .faq-filter {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 8px;
    scrollbar-width: thin;
  }
}
.page-faq .filter-btn {
  flex: none;
  appearance: none;
  border: 1px solid rgba(127, 169, 164, 0.55);
  background: rgba(251, 248, 242, 0.94);
  color: var(--sea);
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1;
  padding: 10px 16px;
  border-radius: var(--pill);
  white-space: nowrap;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.page-faq .filter-btn:hover {
  background: rgba(127, 169, 164, 0.22);
}
.page-faq .filter-btn:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}
.page-faq .filter-btn[aria-pressed="true"] {
  background: var(--sea);
  border-color: var(--sea);
  color: var(--paper-light);
}

/* 分类块 */
.page-faq .faq-block {
  background: var(--faq-panel);
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 3vw, 28px);
  margin-bottom: clamp(16px, 2.4vw, 22px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--faq-rule);
}
.page-faq .faq-block__num {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 2.8vw, 1.9rem);
  line-height: 1;
  color: rgba(90, 63, 50, 0.42);
}
.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.12rem, 2.2vw, 1.4rem);
  line-height: 1.45;
  color: var(--sea);
}

/* 手风琴 */
.page-faq .faq-item {
  border-top: 1px solid var(--faq-rule);
}
.page-faq .faq-item:first-of-type {
  border-top: 0;
}
.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 2px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--ink);
  border-radius: var(--radius-sm);
  transition: color .16s ease;
}
.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item > summary:hover {
  color: var(--sea);
}
.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}
.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--copper);
}
.page-faq .faq-item[open] > summary {
  color: var(--sea);
}
.page-faq .faq-item[open] > summary::after {
  content: "−";
}
.page-faq .faq-answer {
  padding: 0 2px 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
  max-width: 60ch;
}
.page-faq .faq-answer p {
  margin: 0 0 12px;
}
.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-answer a {
  color: var(--sea);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 58, 74, 0.35);
  transition: color .18s ease, border-color .18s ease;
}
.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--copper);
  border-bottom-color: var(--copper);
}

/* 编号步骤 */
.page-faq .faq-steps {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 2.2em minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}
.page-faq .faq-steps .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--copper);
  padding-top: 4px;
}

/* 档位勾选列表 */
.page-faq .faq-ticks {
  list-style: none;
  margin: 14px 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-ticks li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--faq-rule);
}
.page-faq .faq-ticks li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-faq .faq-ticks .tag {
  align-self: start;
  white-space: nowrap;
}

/* 边注提示 */
.page-faq .faq-hint {
  margin-top: 14px;
  padding: 12px 14px;
  border-left: 3px solid var(--copper);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(180, 90, 42, 0.07);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--tea);
}

/* 复制按钮 */
.page-faq .faq-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  border-radius: var(--pill);
  border: 1px solid rgba(127, 169, 164, 0.6);
  background: transparent;
  color: var(--sea);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.3;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.page-faq .faq-copy:hover {
  background: rgba(127, 169, 164, 0.22);
}
.page-faq .faq-copy:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}
.page-faq .faq-copy.is-copied {
  background: var(--mist);
  border-color: var(--mist);
  color: #FFFFFF;
}

/* 登录反馈图示 */
.page-faq .faq-figure {
  margin: 18px 0 4px;
}
.page-faq .faq-figure .figure-frame {
  border-radius: var(--radius-md);
}

/* 收尾 */
.page-faq .faq-help {
  margin-top: clamp(30px, 5vw, 52px);
  padding: clamp(24px, 4vw, 42px);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--sea) 0%, #123646 58%, #1B4557 100%);
  color: var(--paper-light);
  display: grid;
  gap: 20px;
}
@media (min-width: 860px) {
  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.45fr) auto;
    align-items: center;
  }
}
.page-faq .faq-help h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.6vw, 1.85rem);
  line-height: 1.4;
  color: var(--paper-light);
}
.page-faq .faq-help p {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(251, 248, 242, 0.82);
}
.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .faq-help .btn--primary {
  background: var(--copper);
  border-color: var(--copper);
  color: #FFFFFF;
}
.page-faq .faq-help .btn--primary:hover {
  background: #A04E22;
  border-color: #A04E22;
}
.page-faq .faq-help .btn--ghost {
  background: transparent;
  color: var(--paper-light);
  border-color: rgba(251, 248, 242, 0.55);
}
.page-faq .faq-help .btn--ghost:hover {
  background: rgba(251, 248, 242, 0.14);
  border-color: var(--paper-light);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .filter-btn,
  .page-faq .rail-link,
  .page-faq .faq-copy,
  .page-faq .faq-item > summary {
    transition: none;
  }
  .page-faq .faq-chip:hover {
    transform: none;
  }
}
</main>