.page-faq {
  --faq-card-line: #E4E9F0;
  background: var(--light-bg);
  overflow-x: hidden;
}

/* ===== Hero 区块 ===== */
.page-faq .faq-hero {
  position: relative;
  background-color: var(--deep-blue);
  background-image:
    linear-gradient(120deg, rgba(0, 240, 255, 0.06) 0%, transparent 30%),
    repeating-linear-gradient(120deg, transparent 0 48px, rgba(212, 175, 55, 0.03) 48px 52px);
  padding: 56px 0 52px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -80px;
  width: 300px;
  height: 300px;
  border: 42px solid rgba(212, 175, 55, 0.1);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg,
    var(--gold) 0%, var(--gold) 15%,
    var(--orange) 15%, var(--orange) 22%,
    transparent 22%, transparent 38%,
    var(--blue-neon) 38%, var(--blue-neon) 44%,
    transparent 44%, transparent 62%,
    var(--green-neon) 62%, var(--green-neon) 68%,
    transparent 68%, transparent 82%,
    var(--gold) 82%, var(--gold) 100%);
  opacity: 0.7;
}

.page-faq .faq-hero-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: flex-start;
}

.page-faq .faq-hero-copy {
  position: relative;
  z-index: 1;
}

.page-faq .page-hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .page-hero-label::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--gold);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 16px 0 14px;
}

.page-faq .faq-hero-sub {
  max-width: 640px;
  color: rgba(232, 236, 241, 0.76);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 24px;
}

.page-faq .faq-search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  max-width: 560px;
  background: var(--white);
  border-radius: 999px;
  padding: 6px 18px 6px 16px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

.page-faq .faq-search-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--deep-blue);
}

.page-faq .faq-search-input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--dark-text);
  padding: 10px 0;
}

.page-faq .faq-search-input::placeholder {
  color: var(--muted-text);
}

.page-faq .faq-search-input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-hero-art {
  position: relative;
  z-index: 0;
  width: 100%;
}

.page-faq .faq-hero-art-frame {
  position: relative;
  display: block;
  width: 100%;
  max-width: 400px;
}

.page-faq .faq-hero-art-frame::before {
  content: "";
  position: absolute;
  inset: 12px -14px -14px 12px;
  border: 2px solid var(--gold-bright);
  border-radius: var(--radius);
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero-img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
}

/* ===== 面包屑 ===== */
.page-faq .faq-crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 24px;
  font-size: 0.875rem;
  color: var(--muted-text);
}

.page-faq .faq-crumb-link {
  color: var(--deep-blue);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-faq .faq-crumb-link:hover {
  color: var(--gold-bright);
}

.page-faq .faq-crumb-sep {
  color: var(--muted-text);
}

.page-faq .faq-crumb-current {
  color: var(--gold);
  font-weight: 700;
  font-family: var(--font-mono);
}

/* ===== 主体布局 ===== */
.page-faq .faq-body {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 28px;
  padding-bottom: 12px;
}

/* ===== 侧边栏 ===== */
.page-faq .faq-sidebar {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 20px;
  position: relative;
}

.page-faq .faq-sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.page-faq .faq-sidebar-label {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--deep-blue);
}

.page-faq .faq-sidebar-count {
  background: var(--deep-blue);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 999px;
}

.page-faq .faq-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-fbtn {
  appearance: none;
  border: 1px solid #E1E7EE;
  background: var(--light-bg);
  border-radius: 999px;
  color: var(--dark-text);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 14px;
  transition: all 0.25s var(--transition-ease);
}

.page-faq .faq-fbtn:hover {
  border-color: var(--gold);
  color: var(--deep-blue);
}

.page-faq .faq-fbtn.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--deep-blue);
}

.page-faq .faq-sidebar-note {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 18px;
  padding: 12px 14px;
  background: var(--light-bg);
  border-radius: 8px;
}

.page-faq .faq-note-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--deep-blue);
  font-weight: 700;
}

.page-faq .faq-note-meta {
  font-size: 0.8rem;
  color: var(--muted-text);
  font-family: var(--font-mono);
}

.page-faq .faq-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-neon);
  box-shadow: 0 0 0 0 rgba(57, 255, 20, 0.6);
  animation: faq-pulse 1.8s infinite;
}

@keyframes faq-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(57, 255, 20, 0.5);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(57, 255, 20, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(57, 255, 20, 0);
  }
}

.page-faq .faq-sidebar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid #EBEFF3;
}

.page-faq .faq-sidebar-links span {
  display: block;
  width: 100%;
  font-size: 0.8rem;
  color: var(--muted-text);
  letter-spacing: 0.08em;
}

.page-faq .faq-sidebar-links a {
  color: var(--deep-blue);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  padding: 4px 2px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.4);
  transition: color 0.2s ease;
}

.page-faq .faq-sidebar-links a:hover {
  color: var(--gold);
}

/* ===== FAQ 内容区 ===== */
.page-faq .faq-content {
  display: flex;
  flex-direction: column;
  gap: 34px;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 80px);
}

.page-faq .faq-group-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-faq .faq-group-head::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.5), #E1E7EE);
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--gold);
  background: var(--deep-blue);
  padding: 4px 10px;
  border-radius: 6px;
  line-height: 1.4;
}

.page-faq .faq-group-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--deep-blue);
  margin: 0;
  white-space: nowrap;
}

.page-faq .faq-item {
  margin-bottom: 10px;
  background: var(--white);
  border: 1px solid var(--faq-card-line);
  border-left-width: 3px;
  border-left-color: var(--gold-bright);
  border-radius: var(--radius);
  box-shadow: 0 2px 10px rgba(10, 26, 47, 0.04);
  transition: box-shadow 0.3s var(--transition-ease), transform 0.3s var(--transition-ease);
}

.page-faq .faq-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-item[open] {
  border-left-color: var(--gold);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  color: var(--dark-text);
  line-height: 1.5;
  font-size: 0.96rem;
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item[open] summary {
  color: var(--deep-blue);
}

.page-faq .faq-q {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-faq .faq-q-index {
  font-family: var(--font-mono);
  color: var(--gold);
  font-size: 0.8rem;
  flex-shrink: 0;
}

.page-faq .faq-q-text {
  font-size: 0.96rem;
}

.page-faq .faq-q-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--gold);
  transition: transform 0.35s var(--transition-ease);
}

.page-faq .faq-item[open] .faq-q-icon {
  transform: rotate(45deg);
  color: var(--orange);
}

.page-faq .faq-answer {
  padding: 14px 18px 18px;
  margin: 0 14px;
  border-top: 1px dashed rgba(10, 26, 47, 0.08);
  color: #3F4A5A;
  line-height: 1.75;
  font-size: 0.93rem;
}

.page-faq .faq-answer p {
  margin: 0 0 10px;
}

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

.page-faq .faq-answer a {
  color: var(--deep-blue);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color 0.2s ease;
}

.page-faq .faq-answer a:hover {
  color: var(--orange);
}

/* ===== 联系支持区 ===== */
.page-faq .faq-contact {
  position: relative;
  margin-top: 52px;
  background-color: var(--deep-blue);
  background-image: repeating-linear-gradient(120deg, transparent 0 56px, rgba(212, 175, 55, 0.03) 56px 60px);
  overflow: hidden;
  padding: 56px 0;
}

.page-faq .faq-contact::before {
  content: "";
  position: absolute;
  top: -100px;
  left: -80px;
  width: 320px;
  height: 320px;
  border: 40px solid rgba(0, 240, 255, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-contact::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, transparent 43%, rgba(212, 175, 55, 0.35) 43% 48%, transparent 48%);
  pointer-events: none;
}

.page-faq .faq-contact .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-contact-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.page-faq .faq-contact-label-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  color: var(--gold);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-faq .faq-contact-label-top::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--gold);
}

.page-faq .faq-contact h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  color: var(--white);
  margin: 12px 0 10px;
}

.page-faq .faq-contact-desc {
  color: rgba(232, 236, 241, 0.72);
  max-width: 460px;
  line-height: 1.7;
  margin-bottom: 22px;
}

.page-faq .faq-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-contact-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius);
  padding: 14px 16px;
  backdrop-filter: blur(8px);
}

.page-faq .faq-contact-icon {
  width: 20px;
  height: 20px;
  color: var(--gold);
  flex-shrink: 0;
}

.page-faq .faq-contact-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-faq .faq-contact-label span {
  font-size: 0.75rem;
  color: rgba(232, 236, 241, 0.5);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-faq .faq-contact-label strong {
  font-size: 0.95rem;
  color: var(--light-text);
  font-weight: 600;
  word-break: break-word;
}

.page-faq .faq-contact-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  background: var(--gold);
  color: var(--deep-blue);
  font-weight: 800;
  font-size: 0.92rem;
  padding: 10px 18px;
  border-radius: 999px;
  text-decoration: none;
  transition: all 0.25s var(--transition-ease);
}

.page-faq .faq-contact-cta:hover {
  background: var(--gold-bright);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(212, 175, 55, 0.35);
}

.page-faq .faq-contact-media {
  position: relative;
}

.page-faq .faq-contact-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-response-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 10px 14px;
  background: rgba(57, 255, 20, 0.1);
  border: 1px solid rgba(57, 255, 20, 0.3);
  border-radius: 999px;
  color: var(--green-neon);
  font-size: 0.83rem;
  font-weight: 600;
}

.page-faq .faq-trust-note {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(232, 236, 241, 0.48);
  font-size: 0.82rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* ===== 桌面断点 ===== */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 92px 0 84px;
  }

  .page-faq .faq-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 48px;
  }

  .page-faq .faq-hero-art {
    justify-self: end;
    margin-top: 0;
  }

  .page-faq .faq-contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 56px;
  }

  .page-faq .faq-contact {
    padding: 72px 0;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: start;
    gap: 36px;
    padding-top: 40px;
    padding-bottom: 20px;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-filter-bar {
    flex-direction: column;
    gap: 6px;
  }

  .page-faq .faq-fbtn {
    border-radius: 10px;
    text-align: left;
    padding: 10px 14px;
  }

  .page-faq .faq-content {
    gap: 44px;
  }

  .page-faq .faq-group-title {
    font-size: 1.6rem;
  }

  .page-faq .faq-answer {
    font-size: 0.95rem;
  }
}