.page-faq {
  --faq-hair: rgba(108, 130, 168, 0.22);
  --faq-text-2: rgba(232, 238, 248, 0.78);
  display: block;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 96px 0 56px;
  background:
    radial-gradient(120% 92% at 10% 0%, rgba(255, 106, 31, 0.10), transparent 58%),
    radial-gradient(88% 78% at 90% 8%, rgba(41, 224, 214, 0.07), transparent 62%),
    var(--ds-950);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(232, 238, 248, 0.03) 0 1px,
    transparent 1px 4px
  );
}

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

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(31px, 5.2vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--mist-100);
}

.page-faq .faq-hero__intro {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--steel-500);
}

.page-faq .faq-hero__side {
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(18, 32, 60, 0.72), rgba(10, 20, 40, 0.46));
}

.page-faq .faq-hero__side-k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-hero__side-t {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-text-2);
}

.page-faq .faq-hero__jump {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  border-bottom: 1px solid rgba(41, 224, 214, 0.35);
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-faq .faq-hero__jump:hover,
.page-faq .faq-hero__jump:focus-visible {
  color: var(--mist-100);
  border-color: var(--mist-100);
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 36px 0 0;
  padding: 1px 0;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-facts > div {
  padding: 15px 14px;
  background: rgba(5, 11, 26, 0.74);
}

.page-faq .faq-facts dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-500);
}

.page-faq .faq-facts dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--mist-100);
  text-align: right;
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-block {
  padding: 66px 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-block--alt {
  background: linear-gradient(180deg, rgba(10, 20, 40, 0.9), rgba(5, 11, 26, 0.6));
}

.page-faq .faq-sec-head {
  max-width: 68ch;
  margin-bottom: 30px;
}

.page-faq .faq-sec-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.3vw, 34px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--mist-100);
}

.page-faq .faq-sec-head p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--steel-500);
}

.page-faq .faq-inline {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel-500);
}

.page-faq .faq-inline a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(41, 224, 214, 0.3);
  transition: border-color 0.24s var(--ease);
}

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

.page-faq .faq-inline b {
  color: var(--mist-100);
  font-weight: 600;
}

/* ---------- 媒体 ---------- */
.page-faq .media {
  margin: 0;
}

.page-faq .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  background: var(--ds-800);
  object-fit: cover;
}

.page-faq .media__caption {
  padding: 10px 2px 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--steel-500);
}

.page-faq .faq-overview__media {
  margin-bottom: 34px;
  padding: 10px 10px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ds-900);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-overview__media .media__caption {
  padding: 10px 4px 12px;
}

/* ---------- 四步卡 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 14px;
}

.page-faq .step {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(18, 32, 60, 0.66), rgba(10, 20, 40, 0.5));
  transition: border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-faq .step:hover {
  border-color: var(--line-strong);
}

.page-faq .step[open] {
  border-color: rgba(255, 106, 31, 0.42);
  background: linear-gradient(180deg, rgba(18, 32, 60, 0.92), rgba(10, 20, 40, 0.68));
}

.page-faq .step__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .step__head::marker {
  content: "";
}

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

.page-faq .step__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--steel-500);
  transition: color 0.24s var(--ease);
}

.page-faq .step[open] .step__num {
  color: var(--orange);
}

.page-faq .step__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--mist-100);
}

.page-faq .step__crit {
  display: block;
  margin-top: 7px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--steel-500);
}

.page-faq .step__crit-k {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gold);
  vertical-align: 1px;
}

.page-faq .step__chev {
  width: 9px;
  height: 9px;
  margin-top: 4px;
  border-right: 1.5px solid var(--steel-500);
  border-bottom: 1.5px solid var(--steel-500);
  transform: rotate(45deg);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .step[open] .step__chev {
  transform: rotate(-135deg);
  border-color: var(--orange);
}

.page-faq .step__detail {
  padding: 4px 20px 22px;
  border-top: 1px solid var(--line-soft);
  margin-top: 2px;
}

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

.page-faq .step__list li {
  position: relative;
  padding: 10px 0 10px 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-text-2);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .step__list li:last-child {
  border-bottom: 0;
}

.page-faq .step__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

.page-faq .step__jump {
  margin: 14px 0 0;
}

.page-faq .step__jump a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  border-bottom: 1px solid rgba(41, 224, 214, 0.3);
  transition: border-color 0.24s var(--ease);
}

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

/* ---------- 第一步 ---------- */
.page-faq .faq-block__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-block__text h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.3vw, 33px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--mist-100);
}

.page-faq .faq-block__text > p {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--steel-500);
}

.page-faq .faq-block__text h3 {
  margin: 30px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.01em;
  color: var(--mist-100);
}

.page-faq .pick-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-faq .pick-list li {
  display: grid;
  gap: 6px;
  padding: 15px 16px;
  background: var(--ds-950);
}

.page-faq .pick-list__k {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .pick-list__d {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-text-2);
}

.page-faq .faq-block__media {
  align-self: start;
}

/* ---------- 第二步 ---------- */
.page-faq .read-order {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .read-order__item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--faq-hair);
  transition: background-color 0.24s var(--ease);
}

.page-faq .read-order__item:hover {
  background: rgba(18, 32, 60, 0.44);
}

.page-faq .read-order__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  line-height: 1.6;
  color: var(--cyan);
}

.page-faq .read-order__t {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0;
  color: var(--mist-100);
}

.page-faq .read-order__d {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel-500);
}

/* ---------- 第三步 / 第四步 ---------- */
.page-faq .faq-pair {
  display: grid;
  gap: 18px;
}

.page-faq .faq-panel {
  padding: 26px 20px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(18, 32, 60, 0.78), rgba(10, 20, 40, 0.52));
}

.page-faq .faq-panel h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.6vw, 26px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--mist-100);
}

.page-faq .faq-panel > p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--steel-500);
}

.page-faq .field-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-faq .field-list li {
  display: grid;
  gap: 5px;
  padding: 12px 14px;
  background: rgba(5, 11, 26, 0.86);
}

.page-faq .field-list__k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .field-list__d {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--faq-text-2);
}

.page-faq .timeline {
  position: relative;
  margin: 22px 0 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-faq .timeline li {
  position: relative;
  padding-bottom: 20px;
}

.page-faq .timeline li:last-child {
  padding-bottom: 0;
}

.page-faq .timeline li::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(242, 193, 78, 0.12);
}

.page-faq .timeline li:last-child::before {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 31, 0.16);
}

.page-faq .timeline__t {
  display: block;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--mist-100);
}

.page-faq .timeline__d {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel-500);
}

/* ---------- 问答 ---------- */
.page-faq .faq-qa {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa {
  background: var(--ds-950);
  transition: background-color 0.24s var(--ease);
}

.page-faq .qa[open] {
  background: rgba(18, 32, 60, 0.72);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 16px 6px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__q::marker {
  content: "";
}

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

.page-faq .qa__no {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--steel-500);
  transition: color 0.24s var(--ease);
}

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

.page-faq .qa__title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--mist-100);
  transition: color 0.24s var(--ease);
}

.page-faq .qa__q:hover .qa__title {
  color: var(--orange);
}

.page-faq .qa__hint {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--steel-500);
}

.page-faq .qa__chev {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-right: 1.5px solid var(--steel-500);
  border-bottom: 1.5px solid var(--steel-500);
  transform: rotate(45deg);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .qa[open] .qa__chev {
  transform: rotate(-135deg);
  border-color: var(--orange);
}

.page-faq .qa__a {
  margin: 0;
  padding: 0 6px 20px 6px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-text-2);
  max-width: 76ch;
}

/* ---------- 尾部帮助 ---------- */
.page-faq .faq-help {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-help__panel {
  padding: 30px 22px 32px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(255, 106, 31, 0.10), transparent 58%),
    linear-gradient(180deg, rgba(18, 32, 60, 0.86), rgba(10, 20, 40, 0.6));
}

.page-faq .faq-help__panel h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--mist-100);
}

.page-faq .faq-help__panel > p {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel-500);
}

.page-faq .faq-help__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-faq .faq-help__list li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 13px 14px;
  background: rgba(5, 11, 26, 0.86);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--faq-text-2);
}

.page-faq .faq-help__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--gold);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding: 108px 0 64px;
  }

  .page-faq .faq-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-block {
    padding: 76px 0;
  }

  .page-faq .faq-overview__media {
    padding: 12px 12px 0;
  }

  .page-faq .step__head {
    padding: 24px 26px;
    gap: 22px;
  }

  .page-faq .step__detail {
    padding: 6px 26px 26px;
  }

  .page-faq .faq-panel {
    padding: 30px 26px 32px;
  }

  .page-faq .field-list li {
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }

  .page-faq .qa__q {
    grid-template-columns: 40px minmax(0, 1fr) auto;
    padding: 18px 8px;
  }

  .page-faq .qa__a {
    padding: 0 8px 22px 56px;
  }

  .page-faq .faq-help__panel {
    padding: 40px 38px 44px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: 52px;
  }

  .page-faq .faq-block__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 54px;
    align-items: start;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .step:nth-child(1) {
    grid-column: 1 / span 7;
  }

  .page-faq .step:nth-child(2) {
    grid-column: 8 / span 5;
  }

  .page-faq .step:nth-child(3) {
    grid-column: 1 / span 5;
  }

  .page-faq .step:nth-child(4) {
    grid-column: 6 / span 7;
  }

  .page-faq .faq-pair {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 24px;
    align-items: start;
  }

  .page-faq .read-order__item {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 24px;
    padding: 24px 12px;
  }

  .page-faq .read-order__body {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 6fr);
    gap: 28px;
    align-items: baseline;
  }

  .page-faq .read-order__d {
    margin: 0;
  }

  .page-faq .faq-help__panel {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 20px 48px;
    align-items: start;
  }

  .page-faq .faq-help__panel .eyebrow,
  .page-faq .faq-help__panel h2,
  .page-faq .faq-help__panel > p {
    grid-column: 1;
  }

  .page-faq .faq-help__list,
  .page-faq .faq-help__actions {
    grid-column: 2;
  }

  .page-faq .faq-help__list {
    grid-row: 1 / span 3;
    margin-top: 0;
  }

  .page-faq .faq-help__actions {
    margin-top: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step__chev,
  .page-faq .qa__chev,
  .page-faq .step__num,
  .page-faq .qa__no,
  .page-faq .qa__title,
  .page-faq .faq-hero__jump,
  .page-faq .step__jump a {
    transition: none;
  }
}