/* ===== 帮助FAQ 页面专属样式 ===== */
.page-faq {
  overflow-x: hidden;
  background: var(--bg-dark);
  color: var(--text-bright);
}
.page-faq .faq-hero {
  position: relative;
  padding: 104px 0 56px;
  background:
    radial-gradient(40% 60% at 85% 18%, rgba(255, 42, 109, 0.16), transparent 70%),
    radial-gradient(45% 60% at 10% 28%, rgba(0, 229, 255, 0.12), transparent 70%),
    linear-gradient(150deg, #0A0E1A 12%, #141024 55%, #301A2C 105%);
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(180deg, rgba(0, 229, 255, 0.03) 0, rgba(0, 229, 255, 0.03) 1px, transparent 1px, transparent 3px);
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.8), rgba(255, 42, 109, 0.8), transparent);
  z-index: 2;
}
.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}
.page-faq .faq-hero-copy {
  max-width: 680px;
}
.page-faq .faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.page-faq .faq-hero-title {
  font-family: var(--font-title);
  font-size: 42px;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 18px 0 16px;
  transform: skewX(-2deg);
  color: var(--text-bright);
}
.page-faq .faq-hero-lead {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
  max-width: 640px;
  margin: 0 0 22px;
}
.page-faq .faq-hero-lead strong {
  color: var(--electric-blue);
  font-weight: 600;
}
.page-faq .faq-search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 560px;
  background: var(--panel-deep);
  border: 1px solid rgba(160, 168, 192, 0.25);
  border-radius: var(--radius-pill);
  padding: 6px 18px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.page-faq .faq-search-box:focus-within {
  border-color: rgba(0, 229, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12);
}
.page-faq .faq-search-prefix {
  position: relative;
  width: 18px;
  height: 18px;
  flex: none;
}
.page-faq .faq-search-prefix::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 1px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--electric-blue);
  border-radius: 50%;
}
.page-faq .faq-search-prefix::after {
  content: "";
  position: absolute;
  right: 1px;
  bottom: 1px;
  width: 8px;
  height: 2px;
  background: var(--electric-blue);
  transform: rotate(45deg);
  border-radius: 2px;
}
.page-faq .faq-search-input {
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--text-bright);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 0;
  width: 100%;
}
.page-faq .faq-search-input::placeholder {
  color: var(--text-muted);
}
.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.page-faq .faq-hero-art {
  position: relative;
  max-width: 440px;
  margin: 0 auto;
  width: 100%;
}
.page-faq .faq-hero-art::before {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(0, 229, 255, 0.26);
  border-radius: 50%;
  pointer-events: none;
}
.page-faq .faq-hero-art::after {
  content: "";
  position: absolute;
  inset: 20%;
  border: 1px dashed rgba(255, 42, 109, 0.35);
  border-radius: 50%;
  pointer-events: none;
}
.page-faq .faq-hero-img {
  display: block;
  width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(160, 168, 192, 0.18);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

/* 快速索引 */
.page-faq .faq-quicknav {
  padding: 22px 0;
  background: var(--panel-deep);
  border-bottom: 1px solid rgba(160, 168, 192, 0.12);
}
.page-faq .faq-quicknav-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.page-faq .faq-quicknav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 14px;
  background: rgba(10, 14, 26, 0.6);
  border: 1px solid rgba(160, 168, 192, 0.14);
  border-radius: var(--radius-md);
  color: var(--text-bright);
  text-decoration: none;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.page-faq .faq-quicknav-item:hover {
  border-color: rgba(0, 229, 255, 0.45);
  background: rgba(0, 229, 255, 0.05);
  transform: translateY(-2px);
}
.page-faq .faq-quicknav-badge {
  font-family: var(--font-title);
  font-size: 18px;
  color: var(--neon-magenta);
  transform: skewX(-6deg);
  line-height: 1;
}
.page-faq .faq-quicknav-name {
  font-size: 14px;
  font-weight: 600;
  flex: 1;
  line-height: 1.3;
}
.page-faq .faq-quicknav-arrow {
  color: var(--text-muted);
  font-size: 16px;
  transition: transform var(--transition);
}
.page-faq .faq-quicknav-item:hover .faq-quicknav-arrow {
  transform: translateX(4px);
  color: var(--electric-blue);
}

/* FAQ 分区通用 */
.page-faq .faq-group {
  padding: 60px 0;
  border-bottom: 1px solid rgba(160, 168, 192, 0.1);
  position: relative;
}
.page-faq .faq-group-head {
  margin-bottom: 28px;
}
.page-faq .faq-group-head-center {
  text-align: center;
}
.page-faq .faq-group-head-text {
  max-width: 720px;
}
.page-faq .faq-group-tag {
  font-family: var(--font-title);
  font-size: 20px;
  line-height: 1;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  display: inline-block;
  transform: skewX(-8deg);
  margin-bottom: 10px;
}
.page-faq .faq-group-title {
  font-family: var(--font-title);
  font-size: 30px;
  line-height: 1.15;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
  color: var(--text-bright);
}
.page-faq .faq-group-desc {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

/* FAQ 折叠卡片 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.page-faq .faq-card {
  background: linear-gradient(135deg, rgba(20, 16, 36, 0.92), rgba(20, 16, 36, 0.6));
  border: 1px solid rgba(160, 168, 192, 0.16);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.page-faq .faq-card[open] {
  border-color: rgba(0, 229, 255, 0.4);
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.06), rgba(20, 16, 36, 0.85));
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}
.page-faq .faq-card summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 16px;
  user-select: none;
}
.page-faq .faq-card summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-card summary:focus-visible,
.page-faq .faq-card summary:hover {
  outline: none;
}
.page-faq .faq-card summary:focus-visible {
  box-shadow: inset 0 0 0 2px rgba(0, 229, 255, 0.5);
  border-radius: var(--radius-md);
}
.page-faq .faq-card-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  flex: none;
  transition: background var(--transition), box-shadow var(--transition);
}
.page-faq .faq-card[open] .faq-card-dot {
  background: var(--electric-blue);
  box-shadow: 0 0 12px var(--electric-blue);
}
.page-faq .faq-card-q {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
  color: var(--text-bright);
}
.page-faq .faq-card-toggle {
  position: relative;
  width: 20px;
  height: 20px;
  flex: none;
}
.page-faq .faq-card-toggle::before,
.page-faq .faq-card-toggle::after {
  content: "";
  position: absolute;
  background: var(--text-muted);
  transition: transform var(--transition), background var(--transition);
}
.page-faq .faq-card-toggle::before {
  top: 9px;
  left: 1px;
  width: 18px;
  height: 2px;
}
.page-faq .faq-card-toggle::after {
  top: 1px;
  left: 9px;
  width: 2px;
  height: 18px;
}
.page-faq .faq-card[open] .faq-card-toggle::after {
  transform: scaleY(0);
}
.page-faq .faq-card[open] .faq-card-toggle::before {
  background: var(--electric-blue);
}
.page-faq .faq-card-a {
  padding: 0 16px 22px;
  margin: 0 8px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.75;
  border-top: 1px dashed rgba(160, 168, 192, 0.15);
}
.page-faq .faq-card-a p {
  margin: 16px 0 0;
}
.page-faq .faq-steps {
  margin-top: 14px;
  padding: 12px 16px;
  background: rgba(0, 229, 255, 0.05);
  border-left: 3px solid var(--electric-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.page-faq .faq-steps-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--electric-blue);
  letter-spacing: 0.06em;
}
.page-faq .faq-steps ol {
  margin: 8px 0 0;
  padding-left: 18px;
}
.page-faq .faq-steps li {
  margin-bottom: 4px;
  font-size: 14px;
  line-height: 1.6;
}

/* 登录组 */
.page-faq .faq-group-login {
  background:
    radial-gradient(40% 50% at 92% 20%, rgba(0, 229, 255, 0.08), transparent 70%),
    var(--bg-dark);
}
.page-faq .faq-group-login .faq-card[open] {
  border-color: rgba(0, 229, 255, 0.45);
}
.page-faq .faq-group-login .faq-card[open] .faq-card-dot {
  background: var(--electric-blue);
  box-shadow: 0 0 12px var(--electric-blue);
}
.page-faq .faq-login-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-faq .faq-login-aside {
  border: 1px solid rgba(160, 168, 192, 0.16);
  border-radius: var(--radius-lg);
  background: var(--panel-deep);
  overflow: hidden;
  align-self: start;
}
.page-faq .faq-login-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0;
}
.page-faq .faq-login-note {
  padding: 16px 18px 18px;
}
.page-faq .faq-login-note-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--electric-blue);
  letter-spacing: 0.06em;
}
.page-faq .faq-login-note p {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* 播放组 */
.page-faq .faq-group-play {
  background:
    radial-gradient(42% 55% at 8% 22%, rgba(255, 42, 109, 0.08), transparent 70%),
    var(--bg-dark);
}
.page-faq .faq-group-play .faq-card[open] {
  border-color: rgba(255, 42, 109, 0.45);
  background: linear-gradient(135deg, rgba(255, 42, 109, 0.07), rgba(20, 16, 36, 0.85));
}
.page-faq .faq-group-play .faq-card[open] .faq-card-dot {
  background: var(--neon-magenta);
  box-shadow: 0 0 12px var(--neon-magenta);
}
.page-faq .faq-group-play .faq-card[open] .faq-card-toggle::before {
  background: var(--neon-magenta);
}
.page-faq .faq-group-play .faq-card[open] .faq-card-dot {
  background: var(--neon-magenta);
  box-shadow: 0 0 12px var(--neon-magenta);
}
.page-faq .faq-play-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.page-faq .faq-play-aside {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 42, 109, 0.25);
  background: linear-gradient(145deg, rgba(255, 42, 109, 0.08), rgba(20, 16, 36, 0.8));
  align-self: start;
}
.page-faq .faq-play-aside-num {
  font-family: var(--font-title);
  font-size: 42px;
  line-height: 1;
  color: var(--neon-magenta);
  transform: skewX(-8deg);
  display: inline-block;
}
.page-faq .faq-play-aside-title {
  font-family: var(--font-title);
  font-size: 24px;
  line-height: 1.2;
  margin: 12px 0 10px;
  color: var(--text-bright);
}
.page-faq .faq-play-aside p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 18px;
}
.page-faq .faq-group-play .faq-steps {
  border-left-color: var(--neon-magenta);
  background: rgba(255, 42, 109, 0.05);
}
.page-faq .faq-group-play .faq-steps-label {
  color: var(--neon-magenta);
}

/* 收藏组 */
.page-faq .faq-group-fav {
  background:
    radial-gradient(45% 60% at 88% 40%, rgba(0, 255, 159, 0.08), transparent 70%),
    var(--bg-dark);
}
.page-faq .faq-group-fav .faq-card[open] {
  border-color: rgba(0, 255, 159, 0.45);
  background: linear-gradient(135deg, rgba(0, 255, 159, 0.06), rgba(20, 16, 36, 0.85));
}
.page-faq .faq-group-fav .faq-card[open] .faq-card-dot {
  background: var(--neon-green);
  box-shadow: 0 0 12px var(--neon-green);
}
.page-faq .faq-group-fav .faq-card[open] .faq-card-toggle::before {
  background: var(--neon-green);
}
.page-faq .faq-fav-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.page-faq .faq-fav-search {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 255, 159, 0.25);
  background: linear-gradient(145deg, rgba(0, 255, 159, 0.06), rgba(20, 16, 36, 0.8));
  align-self: start;
}
.page-faq .faq-fav-search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: rgba(10, 14, 26, 0.6);
  border: 1px solid rgba(160, 168, 192, 0.22);
  border-radius: var(--radius-pill);
  padding: 14px 16px;
}
.page-faq .faq-fav-search-icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex: none;
}
.page-faq .faq-fav-search-icon::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 1px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--neon-green);
  border-radius: 50%;
}
.page-faq .faq-fav-search-icon::after {
  content: "";
  position: absolute;
  right: 1px;
  bottom: 1px;
  width: 8px;
  height: 2px;
  background: var(--neon-green);
  transform: rotate(45deg);
  border-radius: 2px;
}
.page-faq .faq-fav-search-text {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.5;
}
.page-faq .faq-fav-search-note {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.65;
  margin: 0;
}

/* 新入口组 */
.page-faq .faq-group-entry {
  background:
    radial-gradient(42% 55% at 10% 80%, rgba(122, 79, 255, 0.1), transparent 70%),
    var(--bg-dark);
}
.page-faq .faq-group-entry .faq-card[open] {
  border-color: rgba(122, 79, 255, 0.45);
  background: linear-gradient(135deg, rgba(122, 79, 255, 0.08), rgba(20, 16, 36, 0.85));
}
.page-faq .faq-group-entry .faq-card[open] .faq-card-dot {
  background: var(--aux-purple);
  box-shadow: 0 0 12px var(--aux-purple);
}
.page-faq .faq-group-entry .faq-card[open] .faq-card-toggle::before {
  background: var(--aux-purple);
}
.page-faq .faq-entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.page-faq .faq-entry-aside {
  align-self: start;
}
.page-faq .faq-entry-checklist {
  padding: 26px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(122, 79, 255, 0.3);
  background: linear-gradient(145deg, rgba(122, 79, 255, 0.1), rgba(20, 16, 36, 0.85));
}
.page-faq .faq-entry-checklist h3 {
  font-family: var(--font-title);
  font-size: 22px;
  margin: 0 0 16px;
  color: var(--text-bright);
}
.page-faq .faq-entry-checklist ul {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}
.page-faq .faq-entry-checklist li {
  position: relative;
  padding: 8px 0 8px 26px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.5;
}
.page-faq .faq-entry-checklist li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 14px;
  width: 12px;
  height: 6px;
  border-left: 2px solid var(--neon-green);
  border-bottom: 2px solid var(--neon-green);
  transform: rotate(-45deg);
}

/* 底部求助区 */
.page-faq .faq-help {
  position: relative;
  padding: 64px 0;
  background:
    radial-gradient(60% 80% at 80% 30%, rgba(0, 255, 159, 0.1), transparent 70%),
    linear-gradient(120deg, #0A0E1A, #141024 70%, #301A2C);
  overflow: hidden;
}
.page-faq .faq-help::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 159, 0.6), rgba(0, 229, 255, 0.6), transparent);
}
.page-faq .faq-help-inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
}
.page-faq .faq-help-copy {
  max-width: 640px;
}
.page-faq .faq-help-copy h2 {
  font-family: var(--font-title);
  font-size: 32px;
  line-height: 1.15;
  margin: 0 0 12px;
  color: var(--text-bright);
}
.page-faq .faq-help-copy p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 16px;
}
.page-faq .faq-help-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.page-faq .faq-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .faq-help-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 255, 159, 0.25);
  background: rgba(10, 14, 26, 0.6);
  min-width: 260px;
}
.page-faq .faq-help-info-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--neon-green);
  letter-spacing: 0.08em;
}
.page-faq .faq-help-info-mail {
  font-size: 17px;
  color: var(--text-bright);
  word-break: break-all;
}
.page-faq .faq-help-info-time {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== 响应式升级 ===== */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 132px 0 72px;
  }
  .page-faq .faq-hero-title {
    font-size: 56px;
  }
  .page-faq .faq-quicknav-inner {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-faq .faq-group {
    padding: 72px 0;
  }
  .page-faq .faq-group-title {
    font-size: 36px;
  }
  .page-faq .faq-card summary {
    padding: 20px 22px;
  }
  .page-faq .faq-card-a {
    padding: 0 22px 24px;
  }
  .page-faq .faq-card-q {
    font-size: 17px;
  }
  .page-faq .faq-login-aside {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }
  .page-faq .faq-hero-title {
    font-size: 68px;
  }
  .page-faq .faq-hero-lead {
    font-size: 17px;
  }
  .page-faq .faq-login-grid {
    grid-template-columns: 1fr 340px;
    gap: 40px;
  }
  .page-faq .faq-play-grid {
    grid-template-columns: 320px 1fr;
    gap: 44px;
  }
  .page-faq .faq-fav-grid {
    grid-template-columns: 340px 1fr;
    gap: 40px;
  }
  .page-faq .faq-entry-grid {
    grid-template-columns: 1fr 320px;
    gap: 44px;
  }
  .page-faq .faq-play-aside {
    padding: 26px;
  }
  .page-faq .faq-play-aside-num {
    font-size: 56px;
  }
  .page-faq .faq-play-aside-title {
    font-size: 28px;
  }
  .page-faq .faq-help {
    padding: 80px 0;
  }
  .page-faq .faq-help-copy h2 {
    font-size: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
  }
}