.page-faq {
  --faq-line: var(--cyan-line);
  --faq-glow: rgba(39, 245, 210, .16);
  --faq-dash: rgba(110, 139, 128, .34);
  display: block;
  overflow-x: clip;
}

/* 面包屑 */
.page-faq .breadcrumb {
  padding-top: 18px;
  font-size: 13px;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--text-mute);
}

.page-faq .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--cyan-dim);
}

.page-faq .breadcrumb__list a {
  color: var(--text-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .breadcrumb__list a:hover,
.page-faq .breadcrumb__list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* 首屏 */
.page-faq .faq-hero {
  padding: clamp(26px, 5vw, 54px) 0 clamp(34px, 6vw, 72px);
  background:
    radial-gradient(120% 95% at 12% 0%, rgba(39, 245, 210, .10), transparent 62%),
    radial-gradient(80% 70% at 95% 100%, rgba(255, 122, 61, .07), transparent 60%),
    var(--night);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--gap) * 1.2);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 6.4vw, 50px);
  line-height: 1.22;
  letter-spacing: .01em;
  color: var(--text);
  text-shadow: 0 0 26px var(--faq-glow);
  margin: 12px 0 16px;
  max-width: 17ch;
}

.page-faq .faq-hero .lede {
  color: var(--text-soft);
  max-width: 60ch;
  margin: 0 0 22px;
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

.page-faq .faq-hero__quick .btn {
  text-decoration: none;
}

/* 概览板 */
.page-faq .faq-board {
  border: 1px solid var(--faq-line);
  border-top: 3px solid var(--orange);
  background: linear-gradient(180deg, rgba(18, 63, 58, .78), rgba(8, 32, 29, .96));
  padding: 18px 18px 8px;
}

.page-faq .faq-board__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
  font-family: var(--font-sans);
}

.page-faq .faq-board__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px dashed var(--faq-dash);
}

.page-faq .faq-board__num {
  font-family: var(--font-display);
  font-size: clamp(26px, 6vw, 38px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--gold);
  white-space: nowrap;
}

.page-faq .faq-board__txt {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* 主体两栏 */
.page-faq .faq-body {
  padding: clamp(34px, 6vw, 78px) 0;
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--gap) * 1.5);
  align-items: start;
}

/* 左侧索引与对照表 */
.page-faq .faq-side__title {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--cyan-dim);
}

.page-faq .faq-side__title--gap {
  margin-top: 30px;
}

.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index li {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-index a {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 12px 6px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-soft);
  text-decoration: none;
  transition: color var(--ease), background var(--ease), padding-left var(--ease);
}

.page-faq .faq-index a:hover {
  color: var(--cyan);
  background: var(--cyan-mist);
  padding-left: 12px;
}

.page-faq .faq-index a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  color: var(--cyan);
}

.page-faq .faq-index__num {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: .06em;
  color: var(--orange);
}

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

/* 对照表 */
.page-faq .faq-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 0;
}

.page-faq .faq-table caption {
  text-align: left;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-mute);
  padding-bottom: 10px;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  text-align: left;
  vertical-align: top;
  padding: 10px 8px;
  border-bottom: 1px solid var(--faq-line);
  color: var(--text-soft);
  font-weight: 400;
  line-height: 1.65;
}

.page-faq .faq-table thead th {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: .08em;
  border-bottom-color: var(--cyan-dim);
}

.page-faq .faq-table tbody th {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .05em;
  color: var(--gold);
  white-space: nowrap;
}

.page-faq .faq-table--plain {
  margin-top: 16px;
  border-top: 1px solid var(--cyan-dim);
}

.page-faq .faq-table--plain tbody td:first-child {
  color: var(--text);
}

/* 步骤卡片 */
.page-faq .faq-step {
  position: relative;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--cyan-dim);
  background: linear-gradient(180deg, rgba(18, 63, 58, .5), rgba(12, 43, 38, .92));
  padding: 20px 18px 22px;
  margin-bottom: calc(var(--gap) * 1.1);
  scroll-margin-top: 120px;
  transition: border-color var(--ease), box-shadow var(--ease);
}

.page-faq .faq-step:hover {
  border-left-color: var(--cyan);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .34), inset 0 0 0 1px rgba(39, 245, 210, .1);
}

.page-faq .faq-step__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin-bottom: 10px;
}

.page-faq .faq-step__no {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--orange);
}

.page-faq .faq-step__title {
  flex: 1 1 200px;
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(20px, 4vw, 27px);
  line-height: 1.3;
  color: var(--text);
}

.page-faq .faq-step__intro {
  margin: 0;
  max-width: 64ch;
  color: var(--text-soft);
}

.page-faq .faq-step__list {
  list-style: none;
  counter-reset: faqstep;
  margin: 14px 0 0;
  padding: 0;
}

.page-faq .faq-step__list > li {
  position: relative;
  counter-increment: faqstep;
  padding: 11px 0 11px 42px;
  border-top: 1px dashed var(--faq-dash);
  color: var(--text-soft);
}

.page-faq .faq-step__list > li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 13px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-faq .faq-step__list strong {
  color: var(--text);
  font-weight: 600;
}

.page-faq .faq-step__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-faq .faq-step__note .tag {
  margin-right: 8px;
  vertical-align: 1px;
}

.page-faq .faq-step__more {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-mute);
}

.page-faq .faq-step__note a,
.page-faq .faq-step__more a,
.page-faq .faq-fold__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
}

.page-faq .faq-step__note a:hover,
.page-faq .faq-step__note a:focus-visible,
.page-faq .faq-step__more a:hover,
.page-faq .faq-step__more a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 图片 */
.page-faq .faq-step__figure {
  margin: 18px 0 0;
}

.page-faq .faq-step__figure .figure__media {
  border: 1px solid var(--faq-line);
  background:
    repeating-linear-gradient(45deg, rgba(39, 245, 210, .05) 0 6px, transparent 6px 12px),
    var(--night-deep);
  overflow: hidden;
}

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

.page-faq .faq-step__figure .figure__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-mute);
}

/* 折叠说明 */
.page-faq .faq-fold {
  margin-top: 18px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-fold__summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 13px 34px 13px 0;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--cyan);
}

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

.page-faq .faq-fold__summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 9px;
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-fold[open] .faq-fold__summary::after {
  content: "–";
}

.page-faq .faq-fold__summary:hover {
  color: var(--gold);
}

.page-faq .faq-fold__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-fold__body {
  padding: 0 0 14px;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .faq-fold__body p {
  margin: 0;
  max-width: 62ch;
}

.page-faq .faq-fold__body ol {
  margin: 0;
  padding-left: 20px;
}

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

/* 反馈准备清单 */
.page-faq .faq-send {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.page-faq .faq-send li {
  position: relative;
  padding: 9px 12px 9px 30px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-soft);
  border: 1px dashed var(--faq-dash);
  background: rgba(8, 32, 29, .5);
}

.page-faq .faq-send li::before {
  content: "▸";
  position: absolute;
  left: 11px;
  top: 8px;
  color: var(--cyan);
}

/* 联系方式 */
.page-faq .faq-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-channels__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--orange);
  background: var(--night-deep);
}

.page-faq .faq-channels__key {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--text-mute);
}

.page-faq .faq-channels__val {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: .04em;
  color: var(--gold);
  word-break: break-word;
}

/* 延伸入口 */
.page-faq .faq-next {
  padding: 0 0 clamp(40px, 7vw, 88px);
}

.page-faq .faq-next .rule {
  margin: 0 0 22px;
}

.page-faq .faq-next__title {
  font-family: var(--font-serif);
  font-size: clamp(20px, 3.6vw, 28px);
  color: var(--text);
  margin: 0;
}

.page-faq .faq-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: 20px;
}

.page-faq .faq-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--faq-line);
  background: linear-gradient(180deg, rgba(18, 63, 58, .42), rgba(12, 43, 38, .85));
  transition: transform var(--ease), border-color var(--ease), background var(--ease);
}

.page-faq .faq-next__card .card__no {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-faq .faq-next__card .card__title {
  font-family: var(--font-serif);
  font-size: 19px;
  color: var(--text);
}

.page-faq .faq-next__card .card__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-faq .faq-next__card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  background: rgba(39, 245, 210, .07);
}

.page-faq .faq-next__card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-color: var(--cyan);
}

/* 平板与桌面 */
@media (min-width: 700px) {
  .page-faq .faq-send {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .faq-step {
    padding: 24px 26px 26px;
  }

  .page-faq .faq-table {
    font-size: 13.5px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-faq .faq-body__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: calc(var(--gap) * 1.8);
  }

  .page-faq .faq-side__inner {
    position: sticky;
    top: 104px;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* 窄屏表格转块级 */
@media (max-width: 699px) {
  .page-faq .faq-table thead {
    display: none;
  }

  .page-faq .faq-table,
  .page-faq .faq-table tbody,
  .page-faq .faq-table tr,
  .page-faq .faq-table th,
  .page-faq .faq-table td {
    display: block;
    width: 100%;
  }

  .page-faq .faq-table tr {
    padding: 10px 0;
    border-bottom: 1px solid var(--faq-line);
  }

  .page-faq .faq-table th,
  .page-faq .faq-table td {
    border-bottom: 0;
    padding: 2px 0;
  }

  .page-faq .faq-table td[data-label]::before {
    content: attr(data-label);
    display: block;
    font-size: 11px;
    letter-spacing: .12em;
    color: var(--text-mute);
    margin-bottom: 2px;
  }

  .page-faq .faq-table tbody th {
    white-space: normal;
    margin-bottom: 4px;
  }

  .page-faq .faq-board__num {
    font-size: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index a,
  .page-faq .faq-step,
  .page-faq .faq-next__card {
    transition: none;
  }

  .page-faq .faq-next__card:hover {
    transform: none;
  }
}