.page-faq {
  --faq-index-w: 17rem;
  --faq-gap: clamp(1.5rem, 4vw, 3.5rem);
  --faq-top: 5rem;
  background:
    radial-gradient(115% 70% at 84% -6%, rgba(184, 255, 60, 0.12), transparent 58%),
    radial-gradient(90% 60% at 4% 12%, rgba(192, 138, 62, 0.10), transparent 62%),
    linear-gradient(180deg, var(--silver) 0%, #dfe4eb 46%, var(--silver) 100%);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: clip;
}

.page-faq .breadcrumb {
  padding-top: clamp(1rem, 3vw, 1.75rem);
  padding-inline: var(--pad);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(1.5rem, 4vw, 3rem) 0 clamp(2rem, 5vw, 4rem);
}

.page-faq .faq-hero-inner {
  display: grid;
  gap: var(--faq-gap);
  align-items: center;
}

.page-faq .faq-hero-copy {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5.4vw, 3.6rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-faq .faq-hero-lead {
  max-width: 34em;
  margin: 0;
  font-size: clamp(0.95rem, 2.1vw, 1.0625rem);
  line-height: 1.8;
  color: rgba(10, 14, 19, 0.78);
}

.page-faq .faq-hero-jump {
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.page-faq .faq-jump-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(247, 249, 251, 0.7);
  color: rgba(10, 14, 19, 0.78);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-jump-chip:hover,
.page-faq .faq-jump-chip:focus-visible {
  border-color: var(--lime-deep);
  background: rgba(184, 255, 60, 0.2);
  color: var(--ink);
}

.page-faq .faq-hero-fig {
  margin: 0;
  box-shadow: var(--shadow-2);
}

.page-faq .faq-hero-fig img {
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 问答区 ---------- */
.page-faq .faq-ask {
  padding: clamp(1rem, 3vw, 2rem) 0 clamp(2.5rem, 7vw, 5rem);
}

.page-faq .faq-ask-inner {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.page-faq .faq-index-title {
  margin: 0 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--horn-deep);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 0.4rem;
}

.page-faq .faq-index-list li {
  flex: 0 0 auto;
}

.page-faq .faq-index-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.42rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: rgba(10, 14, 19, 0.72);
  font-size: 0.8125rem;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-index-list a span {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--horn-deep);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  border-color: var(--lime-deep);
  background: rgba(184, 255, 60, 0.2);
  color: var(--ink);
}

.page-faq .faq-index-list a:focus-visible {
  outline: 2px solid var(--lime-deep);
  outline-offset: 2px;
}

.page-faq .faq-answers {
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(192, 138, 62, 0.55);
}

.page-faq .faq-item[open] {
  border-color: rgba(192, 138, 62, 0.7);
  background: linear-gradient(180deg, #ffffff 0%, var(--card) 100%);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-size: clamp(0.98rem, 2.3vw, 1.125rem);
  font-weight: 700;
  color: var(--ink);
}

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

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

.page-faq .faq-no {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--horn);
}

.page-faq .faq-q {
  min-width: 0;
}

.page-faq .faq-mark {
  display: inline-grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border: 1px solid rgba(192, 138, 62, 0.6);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--horn-deep);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-mark {
  transform: rotate(180deg);
  border-color: var(--lime-deep);
  color: var(--lime-deep);
}

.page-faq .faq-a {
  padding: 0 1.1rem 1.15rem calc(1.1rem + 1.6rem);
  max-width: 62ch;
  color: rgba(10, 14, 19, 0.8);
  line-height: 1.8;
}

.page-faq .faq-a p {
  margin: 0 0 0.65rem;
}

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

@keyframes faq-answer-in {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq .faq-item[open] .faq-a {
  animation: faq-answer-in 180ms var(--ease) both;
}

/* ---------- 章节头 ---------- */
.page-faq .section-head {
  display: grid;
  gap: 0.75rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-faq .section-head-text {
  display: grid;
  gap: 0.6rem;
}

.page-faq .section-head-text h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3.8vw, 2.35rem);
  font-weight: 900;
  line-height: 1.22;
  color: var(--ink);
}

.page-faq .section-head-text .prose {
  margin: 0;
  color: rgba(10, 14, 19, 0.74);
}

/* ---------- 新手三步 ---------- */
.page-faq .faq-path {
  padding: clamp(2.5rem, 7vw, 5rem) 0;
  background: linear-gradient(180deg, rgba(233, 237, 242, 0) 0%, rgba(27, 36, 48, 0.055) 40%, rgba(233, 237, 242, 0) 100%);
}

.page-faq .faq-path-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: 1.3rem 0;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-step-idx {
  font-family: var(--mono);
  font-size: clamp(1.5rem, 4vw, 2.15rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--horn);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-step-body h3 {
  margin: 0 0 0.45rem;
  font-size: clamp(1.02rem, 2.5vw, 1.2rem);
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-step-body p {
  margin: 0;
  max-width: 42em;
  line-height: 1.8;
  color: rgba(10, 14, 19, 0.76);
  font-size: 0.9375rem;
}

.page-faq .faq-path-fig {
  margin: 0;
  box-shadow: var(--shadow-1);
}

.page-faq .faq-path-fig img {
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 九级段位 ---------- */
.page-faq .faq-rank {
  padding: clamp(2.5rem, 7vw, 5rem) 0;
}

.page-faq .faq-rank-track {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.page-faq .faq-rank-cell {
  position: relative;
  display: grid;
  gap: 0.3rem;
  padding: 0.85rem 0.5rem;
  border: 1px solid rgba(10, 14, 19, 0.1);
  border-radius: var(--radius);
  text-align: center;
  color: var(--ink);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-rank-cell:nth-child(1) { background: #E9EDF2; }
.page-faq .faq-rank-cell:nth-child(2) { background: #DDE3EA; }
.page-faq .faq-rank-cell:nth-child(3) { background: #D1D8E1; }
.page-faq .faq-rank-cell:nth-child(4) { background: #C5CDD7; }
.page-faq .faq-rank-cell:nth-child(5) { background: #BCC3CB; }
.page-faq .faq-rank-cell:nth-child(6) { background: #DCC79E; }
.page-faq .faq-rank-cell:nth-child(7) { background: #D4B87C; }
.page-faq .faq-rank-cell:nth-child(8) { background: #CBA85D; }
.page-faq .faq-rank-cell:nth-child(9) { background: #C08A3E; }

.page-faq .faq-rank-cell:hover,
.page-faq .faq-rank-cell:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-rank-cell:focus-visible {
  outline: 2px solid var(--lime-deep);
  outline-offset: 2px;
}

.page-faq .faq-rank-idx {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  color: rgba(10, 14, 19, 0.5);
}

.page-faq .faq-rank-name {
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
}

.page-faq .faq-rank-band {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.5rem);
  transform: translate(-50%, 5px);
  padding: 0.32rem 0.6rem;
  border-radius: var(--radius);
  background: var(--table);
  color: var(--lime);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  z-index: 3;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-rank-cell:hover .faq-rank-band,
.page-faq .faq-rank-cell:focus-visible .faq-rank-band {
  opacity: 1;
  transform: translate(-50%, 0);
}

.page-faq .faq-rank-track > .faq-rank-cell:first-child .faq-rank-band,
.page-faq .faq-rank-track > .faq-rank-cell:nth-child(2) .faq-rank-band {
  left: 0;
  transform: translate(0, 5px);
}

.page-faq .faq-rank-track > .faq-rank-cell:first-child:hover .faq-rank-band,
.page-faq .faq-rank-track > .faq-rank-cell:first-child:focus-visible .faq-rank-band,
.page-faq .faq-rank-track > .faq-rank-cell:nth-child(2):hover .faq-rank-band,
.page-faq .faq-rank-track > .faq-rank-cell:nth-child(2):focus-visible .faq-rank-band {
  left: 0;
  transform: translate(0, 0);
}

.page-faq .faq-rank-track > .faq-rank-cell:last-child .faq-rank-band,
.page-faq .faq-rank-track > .faq-rank-cell:nth-last-child(2) .faq-rank-band {
  left: auto;
  right: 0;
  transform: translate(0, 5px);
}

.page-faq .faq-rank-track > .faq-rank-cell:last-child:hover .faq-rank-band,
.page-faq .faq-rank-track > .faq-rank-cell:last-child:focus-visible .faq-rank-band,
.page-faq .faq-rank-track > .faq-rank-cell:nth-last-child(2):hover .faq-rank-band,
.page-faq .faq-rank-track > .faq-rank-cell:nth-last-child(2):focus-visible .faq-rank-band {
  left: auto;
  right: 0;
  transform: translate(0, 0);
}

.page-faq .faq-rank-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-rank-note {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  background: var(--card);
  border-left: 3px solid var(--horn);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-faq .faq-rank-note-k {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--mist);
  color: #6b7684;
}

.page-faq .faq-rank-note-v {
  font-family: var(--mono);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

/* ---------- 账号与设备 ---------- */
.page-faq .faq-kit {
  padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(1rem, 3vw, 2rem);
}

.page-faq .faq-kit-grid {
  gap: clamp(0.75rem, 2vw, 1.25rem);
}

.page-faq .faq-kit-card {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.page-faq .faq-kit-card h3 {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .faq-kit-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(10, 14, 19, 0.74);
}

/* ---------- 联系入口 ---------- */
.page-faq .faq-help {
  margin-top: clamp(2.5rem, 7vw, 5rem);
  padding: clamp(2.5rem, 7vw, 4.5rem) 0 clamp(3rem, 8vw, 5.5rem);
  background:
    radial-gradient(90% 120% at 88% 0%, rgba(184, 255, 60, 0.14), transparent 60%),
    linear-gradient(150deg, var(--table) 0%, var(--felt) 100%);
  color: var(--silver);
  clip-path: polygon(0 2.5%, 100% 0, 100% 100%, 0 100%);
}

.page-faq .faq-help-inner {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.page-faq .faq-help-copy {
  display: grid;
  gap: 0.85rem;
}

.page-faq .faq-help-copy h2 {
  margin: 0;
  font-size: clamp(1.4rem, 3.6vw, 2.15rem);
  font-weight: 900;
  line-height: 1.24;
  color: #ffffff;
}

.page-faq .faq-help-copy p {
  margin: 0;
  max-width: 38em;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(233, 237, 242, 0.78);
}

.page-faq .faq-help-actions {
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.page-faq .faq-help-card {
  display: grid;
  gap: 0.2rem;
  padding: 1.35rem 1.4rem;
  background: rgba(233, 237, 242, 0.05);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-faq .faq-help-card-k {
  margin: 0.5rem 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .faq-help-card-k:first-child {
  margin-top: 0;
}

.page-faq .faq-help-card-v {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  color: var(--silver);
  overflow-wrap: anywhere;
}

.page-faq .faq-help-hours {
  margin: 0.85rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line-dark);
  font-size: 0.8125rem;
  color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .section-head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 1.25rem;
    align-items: start;
  }

  .page-faq .faq-rank-track {
    grid-template-columns: repeat(9, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-faq .faq-path-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-faq .faq-path-fig {
    position: sticky;
    top: var(--faq-top);
  }

  .page-faq .faq-help-inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-ask-inner {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-top);
  }

  .page-faq .faq-index-list {
    display: grid;
    gap: 1px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index-list a {
    display: flex;
    width: 100%;
    padding: 0.55rem 0.75rem;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: transparent;
    font-size: 0.875rem;
    white-space: normal;
  }

  .page-faq .faq-index-list li:first-child a {
    border-radius: 0 var(--radius) var(--radius) 0;
  }

  .page-faq .faq-index-list a:hover,
  .page-faq .faq-index-list a:focus-visible {
    border-left-color: var(--lime-deep);
    background: rgba(184, 255, 60, 0.18);
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-item summary {
    padding: 1.15rem 1.35rem;
  }

  .page-faq .faq-a {
    padding: 0 1.35rem 1.35rem calc(1.35rem + 1.6rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-a {
    animation: none;
  }

  .page-faq .faq-rank-cell,
  .page-faq .faq-rank-band,
  .page-faq .faq-item,
  .page-faq .faq-mark {
    transition: none;
  }

  .page-faq .faq-rank-cell:hover,
  .page-faq .faq-rank-cell:focus-visible {
    transform: none;
  }
}