.page-faq {
  --faq-gap: clamp(16px, 3vw, 26px);
  --faq-pad: clamp(18px, 3vw, 30px);
  --faq-radius: 2px;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  padding-bottom: clamp(8px, 2vw, 20px);
}

.page-faq .container {
  width: 100%;
  max-width: 1220px;
  margin-inline: auto;
  padding-inline: clamp(18px, 5vw, 56px);
  box-sizing: border-box;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  margin: 0;
  color: var(--text);
}

.page-faq h1 {
  font-size: clamp(32px, 6.2vw, 74px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.page-faq h2 {
  font-size: clamp(23px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.page-faq h3 {
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.4;
}

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

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

.page-faq .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-faq .lede {
  max-width: 46em;
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--text);
  opacity: 0.9;
}

.page-faq .faq-intro {
  max-width: 42em;
  color: var(--muted);
  font-size: 15px;
}

.page-faq .faq-note {
  margin-top: 18px;
  font-size: 14px;
  color: var(--muted);
  padding-left: 14px;
  border-left: 1px solid var(--mint);
}

.page-faq .faq-note a {
  color: var(--mint-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(155, 247, 223, 0.4);
}

.page-faq .faq-note a:hover {
  color: var(--mint);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 4vw, 40px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

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

.page-faq .breadcrumb a:hover {
  color: var(--mint);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(28px, 5vw, 64px) 0 clamp(26px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(22, 26, 60, 0.9) 0%, rgba(5, 8, 15, 0) 62%),
    var(--ink);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: clamp(18px, 5vw, 56px);
  width: 1px;
  height: clamp(50px, 9vw, 96px);
  background: linear-gradient(180deg, var(--mint), transparent);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
  transition: color 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .faq-jump a:hover {
  color: var(--ink);
  background: var(--mint);
  border-color: var(--mint);
}

/* ---------- 三步追比分 ---------- */
.page-faq .faq-steps {
  padding-top: clamp(36px, 6vw, 76px);
  padding-bottom: clamp(36px, 6vw, 76px);
  background: var(--ink);
}

.page-faq .faq-band {
  position: relative;
  margin: clamp(22px, 4vw, 38px) 0 0;
  padding: 0;
  height: clamp(140px, 25vw, 240px);
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-band img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.55) brightness(0.6);
}

.page-faq .faq-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 8, 15, 0.45) 0%, rgba(5, 8, 15, 0.1) 42%, var(--ink) 100%);
  pointer-events: none;
}

.page-faq .faq-steps__body {
  position: relative;
  z-index: 2;
}

.page-faq .step-track {
  list-style: none;
  margin: -42px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .step-track__item {
  position: relative;
}

.page-faq .step-track__item::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-faq .step-track__item:first-child::before {
  top: 50%;
}

.page-faq .step-track__item:last-child::before {
  bottom: 50%;
}

.page-faq .step-track__link {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 46px 1fr;
  align-items: center;
  gap: 14px;
  padding: 8px 0;
  text-decoration: none;
  color: var(--text);
}

.page-faq .step-track__node {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: rgba(10, 34, 48, 0.94);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--mint);
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .step-track__label {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .step-track__item.is-current .step-track__node {
  background: var(--mint);
  color: var(--ink);
  border-color: var(--mint);
}

.page-faq .step-track__link:hover .step-track__node {
  border-color: var(--mint);
  color: var(--mint);
}

.page-faq .step-track__item.is-current .step-track__link:hover .step-track__node {
  color: var(--ink);
}

.page-faq .step-cards {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-faq .step-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--faq-pad);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--glass);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .step-card:nth-child(2) {
  background: var(--zone-teal);
  border-color: #14384a;
}

.page-faq .step-card__no {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: var(--mint);
  letter-spacing: -0.02em;
}

.page-faq .step-card p {
  font-size: 15px;
  color: var(--muted);
}

.page-faq .step-card h3 {
  color: var(--text);
}

.page-faq .step-card .step-card__result {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--mint-soft);
  font-size: 14px;
}

.page-faq .step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(60, 242, 196, 0.45);
}

/* ---------- 提醒 ---------- */
.page-faq .faq-alerts {
  padding-block: clamp(38px, 6vw, 78px);
  background: var(--zone-teal);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-alerts__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-faq .faq-alerts__text p {
  max-width: 40em;
  color: var(--muted);
  font-size: 15px;
}

.page-faq .alert-chips {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .alert-chip {
  display: grid;
  gap: 2px;
  padding: 10px 16px;
  border: 1px solid rgba(60, 242, 196, 0.28);
  border-radius: 999px;
  background: var(--glass);
  transition: transform 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .alert-chip__name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .alert-chip__desc {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--muted);
  transition: color 180ms var(--ease);
}

.page-faq .alert-chip:hover {
  transform: translateY(-2px);
  background: rgba(60, 242, 196, 0.14);
  border-color: var(--mint);
}

.page-faq .alert-chip:hover .alert-chip__desc {
  color: var(--mint-soft);
}

.page-faq .faq-shot {
  margin: 0;
  border: 1px solid rgba(60, 242, 196, 0.2);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--ink);
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.7) brightness(0.85);
}

/* ---------- 回看检索 ---------- */
.page-faq .faq-replay {
  padding-block: clamp(38px, 6vw, 78px);
  background: var(--zone-indigo);
  border-bottom: 1px solid var(--line);
}

.page-faq .replay-path {
  list-style: none;
  margin: clamp(24px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

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

.page-faq .replay-path__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .replay-path__no {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mint);
}

.page-faq .replay-path__item h3 {
  margin-bottom: 8px;
}

.page-faq .replay-path__item p {
  font-size: 15px;
  color: var(--muted);
}

.page-faq .replay-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-tag {
  padding: 6px 14px;
  border: 1px solid rgba(60, 242, 196, 0.3);
  border-radius: var(--faq-radius);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mint-soft);
  background: rgba(60, 242, 196, 0.06);
}

.page-faq .replay-why__title {
  margin-top: clamp(30px, 4vw, 48px);
  margin-bottom: 10px;
  font-size: clamp(17px, 2vw, 21px);
}

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

.page-faq .replay-why__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-faq .replay-why__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .replay-why__no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mint);
  padding-top: 2px;
}

.page-faq .replay-why__item p {
  font-size: 15px;
  color: var(--muted);
}

.page-faq .replay-why__item strong {
  color: var(--text);
  font-weight: 700;
}

.page-faq .replay-why__item a {
  color: var(--mint-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(155, 247, 223, 0.4);
}

.page-faq .replay-why__item a:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- 账号与导出 ---------- */
.page-faq .faq-account {
  padding-block: clamp(38px, 6vw, 78px);
  background: var(--ink);
}

.page-faq .account-cards {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-faq .account-card {
  padding: var(--faq-pad);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--glass);
  transition: transform 180ms var(--ease), background 180ms var(--ease);
}

.page-faq .account-card h3 {
  margin-bottom: 10px;
  font-size: 17px;
}

.page-faq .account-card p {
  font-size: 15px;
  color: var(--muted);
}

.page-faq .account-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.12);
}

/* ---------- 问答带 ---------- */
.page-faq .faq-qa {
  padding-block: clamp(36px, 6vw, 76px);
  background: var(--ink);
  border-top: 1px solid var(--line);
}

.page-faq .faq-q {
  border-top: 1px solid var(--line);
}

.page-faq .faq-q:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-q summary {
  display: grid;
  grid-template-columns: 34px 1fr 22px;
  align-items: start;
  gap: 12px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  transition: color 180ms var(--ease);
}

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

.page-faq .faq-q__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mint);
  padding-top: 5px;
}

.page-faq .faq-q__text {
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 600;
  color: var(--text);
}

.page-faq .faq-q summary:hover .faq-q__text {
  color: var(--mint-soft);
}

.page-faq .faq-q__sign {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 7px;
  justify-self: end;
}

.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after {
  content: "";
  position: absolute;
  background: var(--mint);
  transition: transform 180ms var(--ease), opacity 180ms var(--ease);
}

.page-faq .faq-q__sign::before {
  left: 0;
  top: 50%;
  width: 16px;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-faq .faq-q__sign::after {
  left: 50%;
  top: 0;
  width: 1.5px;
  height: 16px;
  transform: translateX(-50%) scaleY(1);
}

.page-faq .faq-q[open] .faq-q__sign::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-q__body {
  padding: 0 22px 20px 46px;
}

.page-faq .faq-q__body p {
  font-size: 15px;
  color: var(--muted);
  max-width: 44em;
}

/* ---------- 求助 ---------- */
.page-faq .faq-help {
  margin-top: clamp(4px, 1vw, 10px);
  padding-block: clamp(36px, 6vw, 72px);
  background: var(--zone-wine);
  border-top: 1px solid #5a2033;
  border-bottom: 1px solid #5a2033;
}

.page-faq .faq-help__inner {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
}

.page-faq .faq-help h2 {
  font-size: clamp(22px, 3.2vw, 34px);
}

.page-faq .faq-help p {
  max-width: 38em;
  font-size: 15px;
  color: #e6cfd6;
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-help__list li {
  display: flex;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  word-break: break-word;
}

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

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: var(--faq-radius);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms var(--ease), background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .btn--ember {
  background: var(--ember);
  color: #1a0c02;
}

.page-faq .btn--ember:hover {
  transform: translateY(-2px);
  background: #ffa164;
}

.page-faq .btn--ghost {
  background: transparent;
  border-color: rgba(237, 244, 247, 0.35);
  color: var(--text);
}

.page-faq .btn--ghost:hover {
  transform: translateY(-2px);
  border-color: var(--mint);
  color: var(--mint);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .step-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .step-card:nth-child(3) {
    grid-column: span 2;
  }

  .page-faq .account-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-q summary {
    grid-template-columns: 46px 1fr 22px;
    gap: 16px;
  }

  .page-faq .faq-q__body {
    padding-left: 62px;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: 1.35fr 0.65fr;
  }

  .page-faq .faq-help__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: clamp(48px, 6vw, 84px);
  }

  .page-faq .step-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: -64px;
  }

  .page-faq .step-track__item::before {
    left: 56px;
    right: 10px;
    top: 50%;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, rgba(60, 242, 196, 0.5), var(--line));
  }

  .page-faq .step-track__item:first-child::before {
    top: 50%;
  }

  .page-faq .step-track__item:last-child::before {
    display: none;
  }

  .page-faq .step-track__link {
    grid-template-columns: 44px 1fr;
    gap: 12px;
    padding: 0 28px 0 0;
  }

  .page-faq .step-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .step-card:nth-child(2) {
    margin-top: 32px;
  }

  .page-faq .step-card:nth-child(3) {
    grid-column: auto;
    margin-top: 64px;
  }

  .page-faq .faq-alerts__grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
  }

  .page-faq .replay-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-faq .replay-path__item {
    padding: 22px 26px 22px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-right: 1px solid var(--line);
  }

  .page-faq .replay-path__item:last-child {
    border-right: none;
    padding-right: 0;
  }

  .page-faq .faq-help {
    padding-block: clamp(48px, 5vw, 80px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step-card,
  .page-faq .account-card,
  .page-faq .alert-chip,
  .page-faq .btn,
  .page-faq .faq-jump a,
  .page-faq .step-track__node,
  .page-faq .faq-q__sign::before,
  .page-faq .faq-q__sign::after {
    transition: color 180ms linear, background 180ms linear, border-color 180ms linear;
  }

  .page-faq .step-card:hover,
  .page-faq .account-card:hover,
  .page-faq .alert-chip:hover,
  .page-faq .btn:hover {
    transform: none;
  }
}