.page-faq {
  --faq-gap: 28px;
  --faq-radius: 4px;
  display: block;
  background: var(--bg);
  color: var(--snow);
}

.page-faq .index-tag {
  display: inline-block;
  margin: 0 0 14px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 132px 0 68px;
  background:
    radial-gradient(880px 420px at 84% 6%, rgba(232, 179, 60, 0.16), transparent 64%),
    radial-gradient(680px 360px at 4% 96%, rgba(47, 168, 184, 0.12), transparent 66%),
    linear-gradient(180deg, rgba(16, 34, 74, 0.92), rgba(10, 22, 51, 1));
  border-bottom: 2px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(143, 160, 196, 0.07) 0 1px, transparent 1px 22px);
  pointer-events: none;
}

.page-faq .faq-hero .shell {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb {
  margin-bottom: 30px;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 38px;
  align-items: center;
}

.page-faq .faq-hero__copy h1 {
  margin: 0 0 20px;
  font-family: var(--font-heading);
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1.24;
  letter-spacing: 0.06em;
  color: var(--snow);
}

.page-faq .faq-hero__lead {
  max-width: 34em;
  margin: 0 0 26px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--mute);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
  font-size: 15px;
  color: var(--snow);
}

.page-faq .faq-hero__facts li {
  position: relative;
  padding-left: 16px;
}

.page-faq .faq-hero__facts li::before {
  content: "།";
  position: absolute;
  left: 0;
  color: var(--gold);
}

.page-faq .faq-hero__facts .num {
  color: var(--gold);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-faq .faq-hero__media {
  border: 2px solid var(--line-strong);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 14 / 8;
}

/* ---------- 通用小节头 ---------- */
.page-faq .faq-sec-head {
  max-width: 62ch;
  margin-bottom: 40px;
}

.page-faq .faq-sec-head .section-title {
  margin: 0 0 14px;
}

.page-faq .faq-sec-head__intro {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mute);
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-steps {
  padding: 84px 0;
  background: var(--bg);
  border-bottom: 2px solid var(--line);
}

.page-faq .step-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: stretch;
}

.page-faq .step-card {
  position: relative;
  padding: 26px 24px 24px;
  background: var(--bg-card);
  border: 2px solid var(--line-strong);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-hard-sm);
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease);
}

.page-faq .step-card:hover {
  transform: translate(4px, -4px);
  border-color: var(--gold);
}

.page-faq .step-card__num {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 10px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
  border: 1px solid var(--gold-dark);
  border-radius: 999px;
}

.page-faq .step-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--snow);
}

.page-faq .step-card p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mute);
}

.page-faq .step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  transform: rotate(90deg);
}

.page-faq .step-arrow svg {
  width: 56px;
  height: 24px;
}

/* ---------- 收录对照 ---------- */
.page-faq .faq-map {
  padding: 84px 0;
  background: linear-gradient(180deg, rgba(16, 34, 74, 0.55), rgba(10, 22, 51, 1));
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-map__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-faq .faq-map__text {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mute);
}

.page-faq .map-hints {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .map-hints li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  color: var(--snow);
}

.page-faq .map-hints__k {
  flex: 0 0 52px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  align-self: center;
}

.page-faq .faq-map__media {
  margin: 0 0 24px;
  border: 2px solid var(--line-strong);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-faq .faq-map__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 12 / 7.6;
}

.page-faq .map-table-wrap {
  overflow-x: auto;
  border: 2px solid var(--line-strong);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-hard-sm);
  background: var(--bg-card);
}

.page-faq .map-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .map-table caption {
  padding: 16px 18px 6px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--mute);
}

.page-faq .map-table th,
.page-faq .map-table td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.6;
}

.page-faq .map-table thead th {
  font-family: var(--font-heading);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--gold);
  background: rgba(5, 11, 26, 0.55);
  border-bottom: 2px solid var(--line-strong);
}

.page-faq .map-table tbody th {
  font-weight: 500;
  color: var(--snow);
}

.page-faq .map-table tbody td {
  color: var(--mute);
}

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

.page-faq .map-examples {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}

.page-faq .map-example {
  padding: 20px;
  background: rgba(16, 34, 74, 0.7);
  border-left: 3px solid var(--gold);
}

.page-faq .map-example .index-tag {
  margin-bottom: 8px;
}

.page-faq .map-example h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 19px;
  letter-spacing: 0.06em;
  color: var(--snow);
}

.page-faq .map-example p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mute);
}

.page-faq .notice-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 32px 0 0;
  padding: 16px 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--snow);
  background: rgba(232, 179, 60, 0.08);
  border: 2px solid var(--gold-dark);
  border-radius: var(--faq-radius);
}

.page-faq .notice-bar__label {
  flex: 0 0 auto;
  padding: 2px 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--bg-void);
  background: var(--gold);
  border-radius: 999px;
}

.page-faq .notice-bar--red {
  background: rgba(217, 84, 79, 0.1);
  border-color: var(--red);
}

.page-faq .notice-bar--red .notice-bar__label {
  color: var(--snow);
  background: var(--red);
}

/* ---------- 高频问题 ---------- */
.page-faq .faq-ask {
  padding: 84px 0;
  background: var(--bg);
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-ask__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-faq .faq-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  font-size: 15px;
  color: var(--mute);
  text-decoration: none;
  background: rgba(16, 34, 74, 0.6);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--snow);
  background: rgba(232, 179, 60, 0.12);
  border-color: var(--gold);
}

.page-faq .faq-index__list .num {
  font-size: 13px;
  color: var(--cyan);
}

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .qa {
  background: var(--bg-card);
  border: 2px solid var(--line-strong);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-hard-sm);
  transition: border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-faq .qa[open] {
  border-color: var(--gold);
}

.page-faq .qa:target {
  border-color: var(--gold);
  box-shadow: var(--shadow-hard);
}

.page-faq .qa summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--gold);
  transition: transform 0.24s var(--ease);
}

.page-faq .qa[open] summary::after {
  content: "–";
}

.page-faq .qa__num {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .qa__q {
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--snow);
}

.page-faq .qa__a {
  padding: 0 20px 20px 20px;
  border-top: 1px solid var(--line);
}

.page-faq .qa__a p {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mute);
}

/* ---------- 订阅自查 ---------- */
.page-faq .faq-check {
  padding: 84px 0;
  background: linear-gradient(180deg, rgba(16, 34, 74, 0.5), rgba(10, 22, 51, 1));
  border-bottom: 2px solid var(--line);
}

.page-faq .check-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .check-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px;
  background: var(--bg-card);
  border: 2px solid var(--line-strong);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .check-item__num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--gold);
}

.page-faq .check-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 19px;
  letter-spacing: 0.06em;
  color: var(--snow);
}

.page-faq .check-item p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mute);
}

.page-faq .check-item .tag {
  grid-column: 2;
  justify-self: start;
}

/* ---------- 联系我们 ---------- */
.page-faq .faq-help {
  padding: 84px 0 96px;
  background: var(--bg);
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.page-faq .faq-help__copy p {
  max-width: 46ch;
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mute);
}

.page-faq .faq-help__list {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help__list li {
  position: relative;
  padding: 10px 0 10px 22px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--snow);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-help__list li::before {
  content: "༄";
  position: absolute;
  left: 0;
  color: var(--gold);
}

.page-faq .help-card {
  padding: 28px 24px;
  background: var(--bg-card);
  border: 2px solid var(--gold-dark);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-hard);
}

.page-faq .help-card h3 {
  margin: 0 0 20px;
  font-family: var(--font-heading);
  font-size: 20px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .help-card__list {
  margin: 0;
}

.page-faq .help-card__list > div {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .help-card__list > div:last-child {
  border-bottom: 0;
}

.page-faq .help-card dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mute);
}

.page-faq .help-card dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--snow);
}

.page-faq .help-card dd a {
  color: var(--snow);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  word-break: break-all;
}

.page-faq .help-card dd a:hover,
.page-faq .help-card dd a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-faq .help-card__note {
  margin: 20px 0 0;
  padding-top: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mute);
  border-top: 1px dashed var(--line-strong);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .map-examples {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .check-item {
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }

  .page-faq .check-item .tag {
    grid-column: 3;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 148px 0 84px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 52px;
  }

  .page-faq .step-flow {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 14px;
  }

  .page-faq .step-arrow {
    transform: none;
  }

  .page-faq .faq-map__grid {
    grid-template-columns: 5fr 7fr;
    gap: 52px;
  }

  .page-faq .faq-map__aside {
    position: sticky;
    top: 112px;
    align-self: start;
  }

  .page-faq .faq-ask__layout {
    grid-template-columns: 260px 1fr;
    gap: 42px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 112px;
    align-self: start;
  }

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

  .page-faq .check-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step-card,
  .page-faq .faq-index__list a,
  .page-faq .qa,
  .page-faq .qa summary::after {
    transition: none;
  }

  .page-faq .step-card:hover {
    transform: none;
  }
}