.page-faq {
  --faq-side: 266px;
  --faq-line: 1px solid var(--line);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-faq .container {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* 面包屑 */
.page-faq .breadcrumbs {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-faq .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--ice);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: 26px;
  padding: 20px 0 clamp(32px, 5vw, 52px);
}
.page-faq .faq-hero h1 {
  margin: .3em 0 .45em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 6.4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -.015em;
  color: var(--cream);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}
.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
}
.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.page-faq .faq-stat-num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--turf-hi);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-stat-lab {
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--mist);
}
.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 100% at 82% 0%, rgba(62, 155, 99, .22), transparent 58%),
    linear-gradient(165deg, var(--ink-800), var(--deep));
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
  overflow: hidden;
}
.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 步骤轨道 */
.page-faq .faq-steps {
  padding: clamp(34px, 5vw, 56px) 0;
  border-top: var(--faq-line);
}
.page-faq .step-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(228px, 80%);
  gap: 14px;
  margin: 26px 0 0;
  padding: 0 0 12px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.page-faq .step-item {
  position: relative;
  padding: 18px 16px 20px;
  scroll-snap-align: start;
  background: linear-gradient(175deg, rgba(16, 33, 58, .95), rgba(8, 17, 31, .95));
  border: 1px solid var(--line);
  border-top: 2px solid rgba(62, 155, 99, .6);
  transition: border-color .22s var(--ease), transform .22s var(--ease);
}
.page-faq .step-item:hover {
  transform: translateY(-3px);
  border-color: rgba(62, 155, 99, .55);
}
.page-faq .step-item:has(input:checked) {
  border-top-color: var(--turf-hi);
}
.page-faq .step-item__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}
.page-faq .step-no {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--turf-hi);
  font-variant-numeric: tabular-nums;
}
.page-faq .step-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--mist);
  cursor: pointer;
  user-select: none;
}
.page-faq .step-check input {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--turf);
  cursor: pointer;
}
.page-faq .step-check:has(input:checked) {
  color: var(--turf-hi);
}
.page-faq .step-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: .01em;
  color: var(--cream);
}
.page-faq .step-item p {
  margin: 0;
  font-size: .85rem;
  line-height: 1.72;
  color: var(--mist);
}

/* 主体两栏 */
.page-faq .faq-shell {
  display: grid;
  gap: 24px;
  padding-top: clamp(30px, 5vw, 52px);
  border-top: var(--faq-line);
}

/* 侧栏索引 */
.page-faq .faq-side__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--moss);
}
.page-faq .faq-side__nav {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
}
.page-faq .faq-side__nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  white-space: nowrap;
  border: 1px solid var(--line);
  color: var(--mist);
  text-decoration: none;
  font-size: .82rem;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.page-faq .faq-side__nav a:hover,
.page-faq .faq-side__nav a:focus-visible {
  border-color: var(--turf);
  color: var(--cream);
}
.page-faq .faq-side__nav .num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--moss);
}
.page-faq .faq-side__card {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--yellow);
  background: rgba(16, 33, 58, .6);
}
.page-faq .faq-side__card-title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-faq .faq-side__mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--cream);
  word-break: break-all;
}
.page-faq .faq-side__card-note {
  margin: 6px 0 0;
  font-size: .72rem;
  color: var(--mist);
}

/* 筛选条 */
.page-faq .faq-toolbar {
  margin-bottom: 26px;
}
.page-faq .league-track {
  display: flex;
  gap: 8px;
  padding-bottom: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-faq .track-tab {
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid var(--ink-700);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 0 100%);
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.page-faq .track-tab:hover {
  color: var(--cream);
  border-color: var(--mist);
}
.page-faq .track-tab[aria-pressed="true"] {
  border-color: var(--turf);
  background: rgba(62, 155, 99, .18);
  color: var(--cream);
}
.page-faq .track-hint {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* 问答分组 */
.page-faq .faq-group {
  padding-top: clamp(22px, 3vw, 32px);
  scroll-margin-top: 24px;
}
.page-faq .faq-group:first-of-type {
  padding-top: 0;
}
.page-faq .faq-group > h2 {
  margin: 0 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--turf);
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  letter-spacing: -.005em;
  color: var(--cream);
}

/* 折叠问答 */
.page-faq .qa-item {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  background: rgba(16, 33, 58, .55);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.page-faq .qa-item[open] {
  border-color: rgba(255, 209, 102, .4);
  background: rgba(16, 33, 58, .9);
}
.page-faq .qa-item__q {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  list-style: none;
  cursor: pointer;
}
.page-faq .qa-item__q::-webkit-details-marker {
  display: none;
}
.page-faq .qa-item__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: transparent;
  transition: background .2s var(--ease);
}
.page-faq .qa-item[open] .qa-item__q::before {
  background: var(--yellow);
}
.page-faq .qa-item__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--moss);
  font-variant-numeric: tabular-nums;
}
.page-faq .qa-item[open] .qa-item__idx {
  color: var(--yellow);
}
.page-faq .qa-item__text {
  flex: 1 1 auto;
  font-size: .94rem;
  font-weight: 500;
  line-height: 1.55;
  color: var(--cream);
}
.page-faq .qa-item__mark {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
  transform: rotate(45deg) translateY(-2px);
  transition: transform .22s var(--ease);
}
.page-faq .qa-item[open] .qa-item__mark {
  transform: rotate(-135deg) translateY(-2px);
}
.page-faq .qa-item__a {
  padding: 0 14px 16px 34px;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .qa-item__a p {
  margin: 0;
}

/* 设备切换配图 */
.page-faq .faq-inline-media {
  margin: 16px 0 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  overflow: hidden;
}
.page-faq .faq-inline-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-inline-media figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: .78rem;
  line-height: 1.65;
  color: var(--mist);
}

/* 两轮进度 */
.page-faq .faq-rounds {
  margin: 16px 0 0;
  padding: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(14, 26, 22, .85), rgba(8, 17, 31, .85));
}
.page-faq .faq-rounds .progress-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--turf-hi);
}
.page-faq .faq-rounds .round-bar {
  margin-bottom: 14px;
}
.page-faq .faq-rounds .round-bar:last-child {
  margin-bottom: 0;
}
.page-faq .faq-rounds .round-bar__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
}
.page-faq .faq-rounds .round-bar__track {
  position: relative;
  height: 6px;
  margin: 6px 0 6px;
  background: rgba(167, 181, 200, .16);
  overflow: hidden;
}
.page-faq .faq-rounds .round-bar__fill {
  display: block;
  height: 100%;
  background: var(--turf);
}
.page-faq .faq-rounds .round-bar__fill.is-live {
  background: var(--yellow);
}
.page-faq .faq-rounds .round-bar__state {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--mist);
}

/* 联系面板 */
.page-faq .faq-contact {
  display: grid;
  gap: 14px;
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--clay);
  background: linear-gradient(170deg, rgba(16, 33, 58, .92), rgba(8, 17, 31, .92));
}
.page-faq .faq-contact__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-faq .faq-contact .contact-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--moss);
}
.page-faq .faq-contact .contact-value {
  font-size: .86rem;
  color: var(--cream);
  word-break: break-word;
}
.page-faq .faq-contact .contact-value.num {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}
.page-faq .faq-contact .contact-note {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: .78rem;
  line-height: 1.7;
  color: var(--mist);
}
.page-faq .faq-contact .contact-note a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(125, 211, 252, .35);
}
.page-faq .faq-contact .contact-note a:hover {
  border-bottom-color: var(--ice);
}

/* 尾部指引 */
.page-faq .faq-next {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  font-size: .86rem;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .faq-next a {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 239, 228, .35);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-faq .faq-next a:hover {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

/* 平板与桌面 */
@media (min-width: 640px) {
  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-contact .contact-note {
    grid-column: 1 / -1;
  }
  .page-faq .qa-item__a {
    padding-left: 36px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(28px, 4vw, 60px);
    padding: 34px 0 clamp(40px, 5vw, 64px);
  }
}

@media (min-width: 1000px) {
  .page-faq .step-rail {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 16px;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-faq .step-item {
    padding: 20px 16px 22px;
  }
  .page-faq .step-item h3 {
    font-size: 1rem;
  }
  .page-faq .step-item p {
    font-size: .8rem;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 56px);
    align-items: start;
  }
  .page-faq .faq-side__sticky {
    position: sticky;
    top: 24px;
  }
  .page-faq .faq-side__nav {
    flex-direction: column;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }
  .page-faq .faq-side__nav a {
    padding: 9px 10px 9px 12px;
    border: 1px solid transparent;
    border-left: 2px solid var(--line);
  }
  .page-faq .faq-side__nav a:hover,
  .page-faq .faq-side__nav a:focus-visible {
    border-color: transparent;
    border-left-color: var(--turf);
    background: rgba(62, 155, 99, .08);
    color: var(--cream);
  }
  .page-faq .qa-item__text {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step-item,
  .page-faq .qa-item__mark,
  .page-faq .qa-item__q::before,
  .page-faq .track-tab {
    transition: none;
  }
  .page-faq .step-item:hover {
    transform: none;
  }
}