.page-faq {
  --faq-slant: 28px;
  --faq-focus: 2px solid var(--cyan);
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  padding: 22px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}
.page-faq .crumbs__item {
  color: var(--mist);
  text-decoration: none;
}
.page-faq .crumbs__item[aria-current="page"] {
  color: var(--cyan);
}
.page-faq a.crumbs__item:hover,
.page-faq a.crumbs__item:focus-visible {
  color: var(--white);
}
.page-faq .crumbs__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 34px 0 0;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -140px 0 auto 0;
  height: 420px;
  background: radial-gradient(60% 100% at 22% 0%, rgba(22, 224, 208, 0.13), transparent 68%);
  pointer-events: none;
}
.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: 20px;
}
.page-faq .faq-hero__title {
  margin: 0;
  max-width: 17em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 6.2vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--white);
}
.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}
.page-faq .faq-hero__figure {
  margin: 10px 0 0;
  border-radius: 4px 30px 4px 30px;
  overflow: hidden;
  background: var(--ink-2);
}
.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: clamp(150px, 24vw, 280px);
  object-fit: cover;
}

/* ---------- 四个高频问题 ---------- */
.page-faq .faq-quicksec {
  padding: clamp(38px, 6vw, 64px) 0 0;
}
.page-faq .faq-quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 30px);
}
.page-faq .faq-quick__item {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.page-faq .faq-quick__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}
.page-faq .faq-quick__q {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-faq .faq-quick__a {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 主体双列 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  padding-top: clamp(40px, 6vw, 72px);
}
.page-faq .faq-index {
  min-width: 0;
}
.page-faq .faq-index__inner {
  display: grid;
  gap: 16px;
}
.page-faq .faq-index__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ice);
}
.page-faq .faq-index__nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.page-faq .faq-index__nav::-webkit-scrollbar {
  display: none;
}
.page-faq .faq-index__link {
  flex: 0 0 auto;
  display: block;
  padding: 8px 12px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--cyan);
  outline: none;
}
.page-faq .faq-index__link:focus-visible {
  outline: var(--faq-focus);
  outline-offset: 2px;
}

/* 搜索框 */
.page-faq .faq-search {
  display: block;
}
.page-faq .faq-search__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ice);
}
.page-faq .faq-search__input {
  width: 100%;
  box-sizing: border-box;
  padding: 9px 0;
  background: transparent;
  border: 0;
  border-bottom: 2px solid var(--line);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.page-faq .faq-search__input::placeholder {
  color: #6b7a94;
}
.page-faq .faq-search__input:focus {
  outline: none;
  border-bottom-color: var(--cyan);
  transform: translateY(-4px);
}

/* ---------- 答案区 ---------- */
.page-faq .faq-answers {
  min-width: 0;
}
.page-faq .faq-sec {
  scroll-margin-top: 118px;
  padding-top: clamp(34px, 5vw, 56px);
}
.page-faq .faq-sec:first-child {
  padding-top: 0;
}
.page-faq .faq-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 18px;
  padding-bottom: 14px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-faq .faq-sec__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
}
.page-faq .faq-note {
  margin: 0 0 22px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* 折叠问答 */
.page-faq .faq-q {
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-q .disclosure__sum {
  position: relative;
  padding: 18px 36px 18px 0;
  list-style: none;
  cursor: pointer;
  color: var(--white);
  font-size: clamp(16px, 1.8vw, 17px);
  font-weight: 500;
  line-height: 1.6;
}
.page-faq .faq-q .disclosure__sum::-webkit-details-marker {
  display: none;
}
.page-faq .faq-q .disclosure__sum::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 0.2s var(--ease);
}
.page-faq .faq-q[open] .disclosure__sum::after {
  content: "\2212";
}
.page-faq .faq-q .disclosure__sum:hover {
  color: var(--cyan);
}
.page-faq .faq-q .disclosure__sum:focus-visible {
  outline: var(--faq-focus);
  outline-offset: 2px;
}
.page-faq .faq-q .disclosure__body {
  padding: 0 0 20px;
  max-width: 72ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}
.page-faq .faq-q .disclosure__body p {
  margin: 0 0 10px;
}
.page-faq .faq-q .disclosure__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 规则分段与表格 ---------- */
.page-faq .faq-rules {
  margin-top: 6px;
}
.page-faq .faq-rules .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}
.page-faq .faq-rules .tabs__tab {
  appearance: none;
  padding: 9px 22px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 3px 14px 3px 14px;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-faq .faq-rules .tabs__tab:hover {
  color: var(--white);
  border-color: var(--cyan);
}
.page-faq .faq-rules .tabs__tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}
.page-faq .faq-rules .tabs__tab:focus-visible {
  outline: var(--faq-focus);
  outline-offset: 2px;
}
.page-faq .faq-tablewrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 4px 20px 4px 20px;
  background: var(--ink-2);
}
.page-faq .faq-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 15px;
}
.page-faq .faq-table caption {
  padding: 16px 16px 12px;
  text-align: left;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}
.page-faq .faq-table th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--ice);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.page-faq .faq-table td {
  padding: 14px 16px;
  color: var(--white);
  border: 0;
}
.page-faq .faq-table tbody th[scope="row"] {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
  border: 0;
  letter-spacing: 0;
}
.page-faq .faq-table tbody tr:nth-child(odd) {
  background: rgba(27, 42, 74, 0.55);
}
.page-faq .faq-table tbody tr:nth-child(even) {
  background: transparent;
}

/* ---------- 导出步骤条 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0 0 8px;
  padding: 0;
  list-style: none;
}
.page-faq .faq-step {
  position: relative;
  padding: 18px 18px 20px;
  background: var(--ink-2);
  border-radius: 4px 18px 4px 18px;
}
.page-faq .faq-step__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}
.page-faq .faq-step__name {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 500;
  color: var(--white);
}
.page-faq .faq-step__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 导出示意图 ---------- */
.page-faq .faq-recfigure {
  margin: 24px 0 26px;
  padding: 0;
}
.page-faq .faq-recfigure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px 24px 4px 24px;
  background: var(--ink-2);
}
.page-faq .faq-recfigure__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-helpsec {
  padding: clamp(48px, 7vw, 88px) 0 clamp(40px, 6vw, 72px);
}
.page-faq .faq-help__panel {
  padding: clamp(28px, 4.5vw, 52px);
  border-radius: 6px 34px 6px 34px;
}
.page-faq .faq-help__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-faq .faq-help__text {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}
.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq .faq-help__links {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}
.page-faq .faq-help__links a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(159, 216, 255, 0.35);
}
.page-faq .faq-help__links a:hover,
.page-faq .faq-help__links a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--cyan);
}
.page-faq .faq-help__links a:focus-visible {
  outline: var(--faq-focus);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .faq-body {
    grid-template-columns: 246px minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-index__inner {
    position: sticky;
    top: 116px;
  }
  .page-faq .faq-index__nav {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-faq .faq-index__link {
    padding: 9px 12px 9px 14px;
    white-space: normal;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }
  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: var(--ink-2);
    border-bottom-color: transparent;
    border-left-color: var(--cyan);
  }
  .page-faq .faq-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }
  .page-faq .faq-step:not(:last-child)::after {
    content: "\2192";
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--cyan);
    opacity: 0.55;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-body {
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-search__input,
  .page-faq .faq-q .disclosure__sum::after,
  .page-faq .faq-rules .tabs__tab {
    transition: none;
  }
  .page-faq .faq-search__input:focus {
    transform: none;
  }
}