.page-faq {
  --faq-line: rgba(195, 200, 203, .16);
  --faq-line-strong: rgba(195, 200, 203, .3);
  display: block;
  background: var(--charcoal);
  color: var(--paper);
  overflow-x: clip;
}

.page-faq .faq-crumbs {
  padding-top: clamp(92px, 11vw, 130px);
}

/* ============ 开场 ============ */
.page-faq .faq-hero {
  padding: clamp(18px, 3vw, 34px) 0 clamp(34px, 5vw, 62px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

.page-faq .faq-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding: 7px 16px;
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--capsule);
  background: rgba(31, 111, 67, .18);
  color: var(--steel);
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: .14em;
}

.page-faq h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 4.6vw, 56px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 0 0 26px;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.85;
  color: rgba(245, 242, 234, .78);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--faq-line-strong);
  filter: saturate(.85) contrast(1.06) brightness(.94);
}

.page-faq .faq-hero__figure::after {
  content: "";
  position: absolute;
  right: -10px;
  bottom: -10px;
  width: 46%;
  height: 38%;
  border-right: 1px solid rgba(242, 167, 59, .55);
  border-bottom: 1px solid rgba(242, 167, 59, .55);
  pointer-events: none;
}

/* ============ 记录方式示意 ============ */
.page-faq .faq-caliber {
  padding-bottom: clamp(42px, 6vw, 76px);
}

.page-faq .faq-caliber__panel {
  padding: clamp(22px, 3.4vw, 44px);
  background: var(--charcoal-2);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-caliber__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(18px, 3vw, 30px);
}

@media (min-width: 800px) {
  .page-faq .faq-caliber__head {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: end;
    gap: 40px;
  }
}

.page-faq .faq-caliber__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-caliber__head p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(245, 242, 234, .68);
}

.page-faq .faq-caliber__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .cal-axis line {
  stroke: var(--grid);
  stroke-width: 1;
}

.page-faq .cal-name {
  fill: var(--steel);
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: .08em;
}

.page-faq .cal-val {
  fill: var(--paper);
  font-family: var(--font-num);
  font-size: 16px;
}

.page-faq .cal-note {
  fill: rgba(195, 200, 203, .72);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .02em;
}

.page-faq .cal-fill--goals {
  fill: var(--turf);
}

.page-faq .cal-fill--conceded {
  fill: var(--concrete);
}

.page-faq .cal-fill--diff {
  fill: var(--elec);
}

/* ============ 双栏问答 ============ */
.page-faq .faq-body {
  padding: clamp(20px, 4vw, 36px) 0 clamp(44px, 7vw, 88px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }
}

.page-faq .faq-topics {
  display: grid;
  gap: 14px;
}

@media (min-width: 980px) {
  .page-faq .faq-topics {
    position: sticky;
    top: 96px;
    padding: 22px 18px;
    background: var(--night);
    border: 1px solid var(--faq-line);
  }
}

.page-faq .faq-topics__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-topics__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-faq .filter-status {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-faq .faq-topics__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.page-faq .faq-topics__list::-webkit-scrollbar {
  display: none;
}

@media (min-width: 980px) {
  .page-faq .faq-topics__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    margin-top: 14px;
    padding-bottom: 0;
  }
}

.page-faq .filter-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--capsule);
  background: transparent;
  color: rgba(245, 242, 234, .72);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease, transform .18s ease;
}

.page-faq .filter-btn:hover {
  color: var(--elec);
  border-color: rgba(47, 212, 232, .6);
  transform: translateY(-2px);
}

.page-faq .filter-btn:focus-visible {
  outline: 2px solid var(--elec);
  outline-offset: 2px;
}

.page-faq .filter-btn.is-active,
.page-faq .filter-btn[aria-pressed="true"] {
  background: var(--turf);
  border-color: var(--turf);
  color: var(--paper);
}

.page-faq .filter-btn__count {
  font-size: 12px;
  color: var(--steel);
}

.page-faq .filter-btn.is-active .filter-btn__count,
.page-faq .filter-btn[aria-pressed="true"] .filter-btn__count {
  color: rgba(245, 242, 234, .8);
}

@media (min-width: 980px) {
  .page-faq .filter-btn {
    width: 100%;
    justify-content: space-between;
    padding: 11px 14px;
    border-radius: var(--sharp);
    border-color: transparent;
    border-left: 2px solid transparent;
    font-size: 14.5px;
  }

  .page-faq .filter-btn:hover {
    color: var(--elec);
    background: rgba(47, 212, 232, .07);
    transform: none;
  }

  .page-faq .filter-btn.is-active,
  .page-faq .filter-btn[aria-pressed="true"] {
    background: rgba(31, 111, 67, .26);
    border-color: transparent;
    border-left-color: var(--amber);
    color: var(--paper);
  }
}

/* ============ 问答流 ============ */
.page-faq .faq-stream {
  display: grid;
  gap: 12px;
}

@media (min-width: 720px) {
  .page-faq .faq-stream {
    gap: 14px;
  }
}

.page-faq .faq-item {
  --item-accent: var(--concrete);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--item-accent);
  background: var(--charcoal-2);
  transition: border-color .18s ease, background-color .18s ease;
}

.page-faq .faq-item[data-tags~="统计方式"] {
  --item-accent: var(--turf-lit);
}

.page-faq .faq-item[data-tags~="夺冠赔率"] {
  --item-accent: var(--amber);
}

.page-faq .faq-item[data-tags~="终端使用"] {
  --item-accent: var(--elec);
}

.page-faq .faq-item[data-tags~="赛事节点"] {
  --item-accent: var(--concrete);
}

.page-faq .faq-item[data-tags~="合作引用"] {
  --item-accent: var(--turf-lit);
}

.page-faq .faq-item[data-tags~="其他疑问"] {
  --item-accent: var(--concrete);
}

.page-faq .faq-item.is-filtered-out {
  display: none;
}

.page-faq .faq-item[open] {
  border-color: var(--faq-line-strong);
  border-left-color: var(--item-accent);
  background: #191E22;
}

.page-faq .faq-item__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 17px 20px;
  list-style: none;
  cursor: pointer;
}

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

.page-faq .faq-item__no {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--item-accent);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-size: clamp(15px, 1.4vw, 17px);
  font-weight: 800;
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  align-self: center;
  width: 14px;
  height: 14px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--steel);
  transition: transform .2s ease, background-color .2s ease;
}

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

.page-faq .faq-item__mark::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
}

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

.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--elec);
}

.page-faq .faq-item__body {
  padding: 16px 20px 22px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-item__conclusion {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(245, 242, 234, .9);
}

.page-faq .faq-item__tag {
  display: inline-block;
  margin-right: 9px;
  padding: 1px 9px;
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--sharp);
  color: var(--steel);
  font-family: var(--font-body);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .16em;
  line-height: 1.7;
  vertical-align: 2px;
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 30px;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(245, 242, 234, .72);
  counter-increment: faqstep;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-faq .faq-inline-media {
  margin: 20px 0 0;
  max-width: 330px;
}

.page-faq .faq-inline-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--faq-line);
  filter: saturate(.8) contrast(1.06) brightness(.92);
}

.page-faq .faq-inline-media__caption {
  margin-top: 9px;
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--steel);
}

/* ============ 路径条 ============ */
.page-faq .faq-paths {
  padding-bottom: clamp(56px, 8vw, 108px);
}

.page-faq .faq-paths__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-faq .faq-paths__inner {
  display: grid;
  gap: 14px;
}

@media (min-width: 760px) {
  .page-faq .faq-paths__inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

.page-faq .faq-path {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 26px clamp(22px, 3vw, 34px) 32px;
  background: var(--night);
  border: 1px solid var(--faq-line);
  color: var(--paper);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  transition: background-color .2s ease, border-color .2s ease, transform .2s ease;
}

.page-faq .faq-path:hover,
.page-faq .faq-path:focus-visible {
  background: #113A25;
  border-color: rgba(47, 212, 232, .45);
  transform: translateY(-2px);
}

.page-faq .faq-path:focus-visible {
  outline: 2px solid var(--elec);
  outline-offset: 3px;
}

.page-faq .faq-path__kicker {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-faq .faq-path__title {
  font-family: var(--font-display);
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 800;
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .faq-path__arrow {
  position: relative;
  display: block;
  width: 34px;
  height: 10px;
  margin-top: 4px;
}

.page-faq .faq-path__arrow::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--elec);
  clip-path: polygon(0 40%, 68% 40%, 68% 0, 100% 50%, 68% 100%, 68% 60%, 0 60%);
  transition: transform .2s ease;
}

.page-faq .faq-path:hover .faq-path__arrow::before {
  transform: translateX(4px);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .filter-btn:hover,
  .page-faq .faq-path:hover,
  .page-faq .faq-path:focus-visible {
    transform: none;
  }

  .page-faq .faq-path:hover .faq-path__arrow::before {
    transform: none;
  }
}