.page-faq {
  --faq-side: 244px;
  --faq-rule: rgba(147, 167, 201, .14);
  display: block;
  padding: clamp(20px, 3vw, 36px) 0 clamp(56px, 9vw, 104px);
  background:
    radial-gradient(120% 55% at 50% -8%, rgba(43, 231, 210, .07), transparent 62%),
    var(--bg);
  color: var(--ink);
}

.page-faq .crumbs {
  margin-bottom: clamp(18px, 2.6vw, 30px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .crumbs a {
  color: var(--muted);
  text-decoration: none;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: clamp(24px, 3.6vw, 40px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 900;
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

/* 四类入口流程条 */
.page-faq .route-strip {
  list-style: none;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-faq .route-strip__item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 12px;
  align-items: baseline;
  padding: 15px 16px 15px 18px;
  background: var(--panel);
  transition: background .24s var(--ease);
}

.page-faq .route-strip__item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--grid);
  transition: background .24s var(--ease);
}

.page-faq .route-strip__item:hover {
  background: var(--panel-soft);
}

.page-faq .route-strip__item:hover::before {
  background: var(--cyan);
}

.page-faq .route-strip__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-faq .route-strip__name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-faq .route-strip__desc {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 主体两栏 ---------- */
.page-faq .guide-layout {
  margin-top: clamp(28px, 4.6vw, 56px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 48px);
  align-items: start;
}

.page-faq .guide-nav__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .guide-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
}

.page-faq .guide-nav__link {
  display: block;
  padding: 9px 12px;
  border-left: 2px solid var(--grid);
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .guide-nav__link:hover,
.page-faq .guide-nav__link:focus-visible {
  color: var(--ink);
  border-left-color: var(--cyan);
  background: var(--panel-soft);
}

/* ---------- 问答流 ---------- */
.page-faq .faq-stream {
  display: grid;
  gap: clamp(30px, 4.2vw, 56px);
  min-width: 0;
}

.page-faq .faq-block {
  scroll-margin-top: 96px;
}

.page-faq .faq-block::before {
  content: "";
  display: block;
  height: 1px;
  margin-bottom: 20px;
  background: linear-gradient(90deg, var(--line-cyan), var(--line-soft) 42%, transparent);
}

.page-faq .faq-block__index {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--cyan);
}

.page-faq .faq-block__title {
  margin: 0 0 14px;
  font-size: clamp(21px, 2.9vw, 32px);
  line-height: 1.28;
  letter-spacing: -.01em;
  font-weight: 800;
}

.page-faq .faq-block__lead {
  margin: 0 0 20px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* 入口对照表 */
.page-faq .table-scroll {
  margin-bottom: 18px;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--panel-soft);
}

.page-faq .entry-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .entry-table th,
.page-faq .entry-table td {
  padding: 13px 15px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .entry-table thead th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--muted);
  white-space: nowrap;
  border-bottom-color: var(--line);
}

.page-faq .entry-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .entry-table tbody tr {
  transition: background .2s var(--ease);
}

.page-faq .entry-table tbody tr:hover {
  background: rgba(28, 53, 96, .45);
}

.page-faq .entry-table td:first-child {
  color: var(--ink);
  font-weight: 600;
}

.page-faq .entry-table td:nth-child(2) {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  white-space: nowrap;
}

.page-faq .entry-table td:nth-child(3) {
  color: var(--muted);
}

/* 折叠问答 */
.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--grid);
  background: linear-gradient(180deg, rgba(14, 30, 60, .82), rgba(14, 30, 60, .46));
  transition: border-color .24s var(--ease), background .24s var(--ease);
}

.page-faq .faq-item:hover {
  border-left-color: var(--cyan-deep);
}

.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
  background: linear-gradient(180deg, rgba(14, 30, 60, .96), rgba(6, 13, 31, .62));
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 650;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -1px;
}

.page-faq .faq-item__icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid var(--line-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  color: var(--cyan);
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-faq .faq-item[open] .faq-item__icon {
  transform: rotate(45deg);
  border-color: var(--cyan);
}

.page-faq .faq-item__body {
  padding: 0 16px 18px 45px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-item__body p {
  margin: 0 0 12px;
}

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

/* 编号步骤 */
.page-faq .steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .steps__item {
  counter-increment: faqstep;
  position: relative;
  padding: 12px 15px 12px 48px;
  border: 1px solid var(--line-soft);
  background: rgba(28, 53, 96, .32);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .steps__item::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-faq .steps__item:hover {
  border-color: var(--line-cyan);
  background: rgba(28, 53, 96, .58);
}

/* 信息图 */
.page-faq .faq-figure {
  margin: 0 0 20px;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background:
    repeating-linear-gradient(90deg, rgba(28, 53, 96, .55) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(0deg, rgba(28, 53, 96, .55) 0 1px, transparent 1px 44px),
    #0a1730;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* 账号对比 */
.page-faq .account-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

.page-faq .account-card {
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
}

.page-faq .account-card__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-cyan);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .02em;
}

.page-faq .account-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .account-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .account-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

/* 自查清单 */
.page-faq .checklist {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 16px;
  border: 1px solid var(--line-soft);
  background: rgba(14, 30, 60, .6);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink);
  cursor: pointer;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-faq .checklist__item:hover {
  border-color: var(--line-cyan);
}

.page-faq .checklist__box {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 16px;
  height: 16px;
  margin: 4px 0 0;
  border: 1px solid var(--line-cyan);
  background: transparent;
  cursor: pointer;
}

.page-faq .checklist__box::after {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: scale(0);
  transition: transform .18s var(--ease);
}

.page-faq .checklist__box:checked::after {
  transform: scale(1);
}

.page-faq .checklist__box:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .checklist__text {
  cursor: pointer;
}

.page-faq .checklist__item:has(.checklist__box:checked) {
  border-color: var(--line-cyan);
  background: rgba(43, 231, 210, .07);
  color: var(--muted);
}

/* 支持面板 */
.page-faq .support-panel {
  margin-bottom: 20px;
  padding: clamp(18px, 2.8vw, 28px);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(43, 231, 210, .09), transparent 58%),
    var(--panel);
}

.page-faq .support-keys {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px 16px;
}

.page-faq .support-keys__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-faq .support-keys__v {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-faq .support-keys__v a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .support-keys__v a:hover,
.page-faq .support-keys__v a:focus-visible {
  text-decoration: underline;
}

.page-faq .support-panel__note {
  margin: 4px 0 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .route-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .support-keys {
    grid-template-columns: minmax(110px, auto) 1fr;
    align-items: baseline;
  }

  .page-faq .support-keys__v {
    margin-bottom: 8px;
  }
}

@media (min-width: 720px) {
  .page-faq .account-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .route-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .guide-layout {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
  }

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

  .page-faq .guide-nav__list {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-item__body {
    padding-right: 24px;
  }
}

@media (min-width: 1120px) {
  .page-faq {
    --faq-side: 268px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .route-strip__item,
  .page-faq .faq-item,
  .page-faq .faq-item__icon,
  .page-faq .steps__item,
  .page-faq .checklist__item,
  .page-faq .checklist__box::after,
  .page-faq .guide-nav__link {
    transition: none;
  }
}