.page-faq {
  --faq-gap: clamp(16px, 3vw, 24px);
  --faq-muted: #AEB6C2;
  --faq-body: #B9C1CC;
  background: var(--ink);
  color: var(--bone);
  padding-bottom: clamp(56px, 8vw, 96px);
  overflow-x: hidden;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0 0 clamp(18px, 3vw, 28px);
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-faq .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  color: var(--line);
}

.page-faq .breadcrumb a {
  color: var(--steel);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--bone);
}

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--bone);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.page-faq .faq-hero-title {
  margin: 10px 0 16px;
  font-size: clamp(1.85rem, 5.2vw, 3.4rem);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero-lead {
  margin: 0 0 20px;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.62;
  color: var(--faq-muted);
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-faq .faq-hero-meta li {
  position: relative;
  padding-left: 14px;
}

.page-faq .faq-hero-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 2px;
  background: var(--red);
}

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

.page-faq .faq-hero-media {
  position: relative;
  margin: 0;
  background: var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
  overflow: hidden;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.08);
}

/* ---------- 置顶三问 ---------- */
.page-faq .faq-pins {
  margin-top: clamp(34px, 6vw, 64px);
}

.page-faq .pins-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin-bottom: 16px;
}

.page-faq .pins-title {
  margin: 0;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-faq .pins-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-faq .pin-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .pin-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px;
  background: var(--panel);
  color: var(--bone);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
  transition: transform 0.28s var(--ease), background 0.28s var(--ease);
}

.page-faq .pin-card--hot {
  background: linear-gradient(150deg, var(--red-deep), var(--panel) 72%);
}

.page-faq .pin-card:hover {
  transform: translateY(-4px);
  background: var(--panel-2);
}

.page-faq .pin-card--hot:hover {
  background: linear-gradient(150deg, var(--red), var(--panel) 78%);
}

.page-faq .pin-card:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-faq .pin-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-faq .pin-card--hot .pin-num {
  color: var(--bone);
}

.page-faq .pin-q {
  font-size: clamp(16px, 2.4vw, 19px);
  font-weight: 700;
  line-height: 1.35;
}

.page-faq .pin-a {
  font-size: 14px;
  line-height: 1.6;
  color: var(--faq-body);
}

.page-faq .pin-card--hot .pin-a {
  color: #F0DCDA;
}

.page-faq .pin-go {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--steel);
  transition: transform 0.28s var(--ease), color 0.28s var(--ease);
}

.page-faq .pin-card:hover .pin-go {
  transform: translateX(5px);
  color: var(--bone);
}

/* ---------- 分组标题 ---------- */
.page-faq .faq-group {
  margin-top: clamp(48px, 8vw, 88px);
  scroll-margin-top: 120px;
}

.page-faq .group-head {
  position: relative;
  padding-left: 18px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .group-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 6px;
  background: linear-gradient(180deg, var(--red), var(--red-deep));
  transform: skewY(-12deg);
}

.page-faq .group-title {
  margin: 0 0 8px;
  font-size: clamp(1.35rem, 3.4vw, 2.1rem);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.page-faq .group-lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.65;
  color: var(--faq-muted);
}

/* ---------- 规则说明 ---------- */
.page-faq .rules-grid {
  display: grid;
  gap: clamp(22px, 4vw, 34px);
}

.page-faq .rules-figure {
  margin: 0 0 clamp(18px, 3vw, 26px);
  background: var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  overflow: hidden;
}

.page-faq .rules-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .layer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .layer-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

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

.page-faq .layer-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lake);
  padding-top: 4px;
}

.page-faq .layer-name {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .layer-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--faq-body);
}

/* ---------- 可展开问答 ---------- */
.page-faq .expand-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .expand-item {
  background: var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: background 0.28s var(--ease);
}

.page-faq .expand-item:hover {
  background: var(--panel-2);
}

.page-faq .expand-heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .expand-trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 20px;
  font-family: inherit;
  font-size: clamp(15px, 2.2vw, 17px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--bone);
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
}

.page-faq .expand-trigger:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -4px;
}

.page-faq .expand-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--red);
}

.page-faq .expand-q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .expand-icon {
  flex: none;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--steel);
  border-bottom: 2px solid var(--steel);
  transform: rotate(45deg) translate(-2px, 2px);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-faq .expand-trigger[aria-expanded="true"] .expand-icon {
  transform: rotate(-135deg) translate(-2px, 2px);
  border-color: var(--red);
}

.page-faq .expand-panel {
  display: block;
}

.page-faq .expand-panel[hidden] {
  display: none;
}

.page-faq .expand-panel-inner {
  display: grid;
  gap: 10px;
  padding: 0 20px 22px;
  font-size: 15px;
  line-height: 1.66;
  color: var(--faq-body);
}

.page-faq .expand-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lake);
  padding-top: 3px;
}

.page-faq .expand-body p {
  margin: 0 0 0.7em;
}

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

.page-faq .expand-body a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 135, 31, 0.45);
}

.page-faq .expand-body a:hover,
.page-faq .expand-body a:focus-visible {
  color: var(--bone);
  border-bottom-color: var(--bone);
}

.page-faq .step-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .step-list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-faq .step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-faq .step-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- 联络区块 ---------- */
.page-faq .faq-support {
  margin-top: clamp(48px, 8vw, 88px);
}

.page-faq .support-panel {
  display: grid;
  gap: clamp(22px, 4vw, 36px);
  padding: clamp(24px, 4vw, 40px);
  background:
    radial-gradient(120% 140% at 92% 0%, rgba(210, 35, 42, 0.35), transparent 62%),
    var(--panel);
  clip-path: polygon(0 0, calc(100% - 34px) 0, 100% 34px, 100% 100%, 0 100%);
}

.page-faq .support-title {
  margin: 10px 0 12px;
  font-size: clamp(1.3rem, 3.2vw, 1.9rem);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.24;
}

.page-faq .support-text {
  margin: 0 0 20px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.66;
  color: var(--faq-muted);
}

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

.page-faq .support-lines {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-content: start;
}

.page-faq .support-lines li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .support-lines li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .support-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-faq .support-value {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--bone);
  word-break: break-word;
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 420px) {
  .page-faq .expand-trigger {
    padding: 16px 14px;
    gap: 10px;
  }

  .page-faq .expand-panel-inner {
    padding: 0 14px 18px;
  }

  .page-faq .pin-card {
    padding: 18px 16px 16px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 768px) {
  .page-faq .pin-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .expand-panel-inner {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 18px;
    padding: 0 28px 24px 60px;
  }

  .page-faq .expand-group--wide {
    max-width: 920px;
  }

  .page-faq .expand-trigger {
    padding: 20px 26px;
  }

  .page-faq .support-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

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

  .page-faq .rules-side {
    position: sticky;
    top: 130px;
  }
}
<<<END>>>