.page-faq {
  --faq-mark-col: 58px;
  --faq-shell-gap: clamp(40px, 8vw, 84px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(26px, 6vw, 58px) clamp(26px, 5vw, 46px);
  border-bottom: 1px solid var(--c-line);
  background:
    radial-gradient(120% 80% at 88% 0%, rgba(47, 199, 255, 0.10), transparent 62%),
    radial-gradient(90% 90% at 4% 100%, rgba(139, 92, 255, 0.16), transparent 66%);
  overflow: hidden;
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  max-width: 22ch;
}

.page-faq .faq-hero__lede {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  max-width: 62ch;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 3px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--c-ink);
  border-bottom-color: var(--c-neon);
}

.page-faq .faq-jump .num {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--c-amber);
}

/* ---------- 问答骨架 ---------- */
.page-faq .faq-shell {
  display: flex;
  flex-direction: column;
  gap: var(--faq-shell-gap);
  padding-block: clamp(34px, 7vw, 76px);
}

.page-faq .faq-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-block__marker {
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--c-amber);
}

.page-faq .faq-block__marker::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  margin-top: 8px;
  background: linear-gradient(90deg, var(--c-amber), rgba(255, 176, 46, 0));
}

.page-faq .faq-block__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: clamp(1.3rem, 3.4vw, 1.95rem);
  line-height: 1.3;
  color: var(--c-ink);
}

.page-faq .faq-block__intro {
  margin: 0 0 clamp(18px, 3vw, 26px);
  max-width: 68ch;
  line-height: 1.75;
  color: var(--c-mist);
}

@media (min-width: 900px) {
  .page-faq .faq-block {
    grid-template-columns: var(--faq-mark-col) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 42px);
  }

  .page-faq .faq-block__marker {
    position: sticky;
    top: calc(var(--topbar-h) + 26px);
    align-self: start;
  }
}

/* ---------- 三步走 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 14px;
  margin: clamp(16px, 2.6vw, 24px) 0 clamp(22px, 4vw, 34px);
  padding: 0;
  list-style: none;
}

@media (min-width: 760px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(14px, 2.2vw, 26px);
  }
}

.page-faq .faq-step {
  padding: 18px 16px 20px;
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-neon);
  background: linear-gradient(180deg, rgba(27, 17, 64, 0.85), rgba(20, 10, 46, 0.55));
}

.page-faq .faq-step__num {
  display: block;
  margin-bottom: 10px;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--c-amber);
}

.page-faq .faq-step h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--c-ink);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--c-mist);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  max-width: 74ch;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--c-line);
  transition: box-shadow 0.22s var(--ease);
}

.page-faq .faq-item[open] {
  box-shadow: inset 3px 0 0 var(--c-neon);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 14px 15px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--c-ink);
  font-weight: 500;
  font-size: clamp(0.96rem, 1.6vw, 1.05rem);
  line-height: 1.6;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "";
  flex: none;
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--c-blue);
  border-bottom: 1px solid var(--c-blue);
  transform: rotate(45deg) translate(-3px, -3px);
  transition: transform 0.22s var(--ease);
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(225deg) translate(-3px, -3px);
}

.page-faq .faq-item summary:hover {
  color: #fff;
  background-color: rgba(139, 92, 255, 0.07);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--c-blue);
  outline-offset: -2px;
}

.page-faq .faq-item__a {
  max-width: 66ch;
  padding: 0 16px 18px;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--c-mist);
}

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

/* ---------- 双栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: clamp(20px, 3.4vw, 36px);
}

@media (min-width: 880px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-faq .faq-split--media {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  }
}

.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 0.8125rem;
  line-height: 1.62;
  color: var(--c-mist);
}

/* ---------- 交叉示意 ---------- */
.page-faq .faq-map {
  margin: 0;
  padding: clamp(14px, 2.4vw, 22px);
  border: 1px solid var(--c-line);
  background: linear-gradient(160deg, rgba(27, 17, 64, 0.7), rgba(7, 4, 15, 0.9));
}

.page-faq .lookup-map {
  display: block;
  width: 100%;
  max-width: 460px;
  height: auto;
  margin: 0 auto;
}

.page-faq .lookup-map .lm-axis {
  stroke: var(--c-line);
  stroke-width: 1;
}

.page-faq .lookup-map .lm-tick {
  stroke: var(--c-line);
  stroke-width: 1;
}

.page-faq .lookup-map .lm-label text {
  fill: var(--c-mist);
  font-family: var(--font-num);
  font-size: 11px;
}

.page-faq .lookup-map .lm-band-x {
  fill: rgba(47, 199, 255, 0.3);
}

.page-faq .lookup-map .lm-band-y {
  fill: rgba(139, 92, 255, 0.32);
}

.page-faq .lookup-map .lm-cross {
  stroke: var(--c-amber);
  stroke-width: 1;
  stroke-dasharray: 4 4;
  opacity: 0.85;
}

.page-faq .lookup-map .lm-dot {
  fill: var(--c-amber);
  filter: drop-shadow(0 0 6px rgba(255, 176, 46, 0.9));
}

.page-faq .faq-map figcaption {
  margin-top: 14px;
  max-width: 46ch;
  font-size: 0.8125rem;
  line-height: 1.62;
  color: var(--c-mist);
}

/* ---------- 填写说明 ---------- */
.page-faq .faq-fill {
  margin: 0 0 clamp(20px, 3.4vw, 30px);
  border-left: 1px solid var(--c-line);
}

.page-faq .faq-fill__row {
  padding: 0 0 16px 16px;
}

.page-faq .faq-fill__row + .faq-fill__row {
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-fill dt {
  margin-bottom: 6px;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--c-blue);
}

.page-faq .faq-fill dd {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--c-mist);
}

.page-faq .faq-code {
  display: inline-block;
  padding: 1px 8px;
  font-family: var(--font-num);
  font-size: 0.875rem;
  color: var(--c-amber);
  border: 1px solid var(--c-line);
  background: rgba(27, 17, 64, 0.9);
}

/* ---------- 牌型八类 ---------- */
.page-faq .faq-types {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

@media (min-width: 640px) {
  .page-faq .faq-types {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .page-faq .faq-types {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-faq .faq-type {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px;
  background: var(--c-deep);
  transition: background-color 0.22s var(--ease);
}

.page-faq .faq-type:hover {
  background: var(--c-panel);
}

.page-faq .faq-type__name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--c-ink);
}

.page-faq .faq-type__desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-faq .faq-note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 68ch;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--c-mist);
}

/* ---------- 横向提示带 ---------- */
.page-faq .faq-band .band__track {
  gap: 12px;
}

.page-faq .faq-band .band__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 246px;
  padding: 14px 18px;
  text-decoration: none;
  color: var(--c-ink);
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-blue);
  background: rgba(27, 17, 64, 0.6);
  transition: border-left-color 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-faq .faq-band .band__item:hover,
.page-faq .faq-band .band__item:focus-visible {
  border-left-color: var(--c-amber);
  background: rgba(27, 17, 64, 0.95);
}

.page-faq .faq-band .band__kicker {
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--c-amber);
}

.page-faq .faq-band .band__text {
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ---------- 求助 ---------- */
.page-faq .faq-need {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0 0 clamp(20px, 3.4vw, 30px);
  padding: 0;
  list-style: none;
}

.page-faq .faq-need li {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--c-ink);
  border-bottom: 1px solid var(--c-line);
  padding-bottom: 6px;
}

.page-faq .faq-need .num {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--c-blue);
}

.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(22px, 3.6vw, 32px);
}

.page-faq .faq-contact {
  display: grid;
  gap: 0;
  margin: 0 0 14px;
  max-width: 62ch;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--c-line);
}

@media (min-width: 620px) {
  .page-faq .faq-contact__row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

.page-faq .faq-contact dt {
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--c-mist);
}

.page-faq .faq-contact dd {
  margin: 0;
}

.page-faq .faq-contact__value {
  font-family: var(--font-num);
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  color: var(--c-ink);
  word-break: break-all;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-jump a,
  .page-faq .faq-type,
  .page-faq .faq-band .band__item {
    transition: none;
  }

  .page-faq .faq-item summary::after {
    transition: none;
  }
}