.page-faq {
  --faq-card-bg: #ffffff;
  --faq-accent: #00FF87;
  --faq-orange: #FF6B35;
  --faq-deep: #0B1A2D;
  --faq-night: #102A43;
  --faq-muted: #7A8FA6;
  --faq-line: rgba(11, 26, 45, 0.1);
  --faq-radius-lg: 24px;
  --faq-radius-md: 16px;
  background:
    linear-gradient(135deg, rgba(0, 255, 135, 0.04) 0%, transparent 30%),
    linear-gradient(315deg, rgba(255, 107, 53, 0.04) 0%, transparent 40%),
    #F2F5F9;
  scroll-behavior: smooth;
}

.page-faq .faq-hero {
  background:
    radial-gradient(circle at 80% 20%, rgba(16, 42, 67, 0.96) 0%, rgba(11, 26, 45, 1) 70%),
    var(--faq-deep);
  padding: 72px 24px 64px;
  position: relative;
  overflow: hidden;
  border-bottom-left-radius: 48px;
  border-bottom-right-radius: 48px;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 320px;
  height: 320px;
  border: 2px solid rgba(0, 255, 135, 0.15);
  border-radius: 50%;
  transform: rotate(15deg);
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 255, 135, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 135, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: 10%;
  bottom: -60px;
  width: 240px;
  height: 140px;
  background: rgba(255, 107, 53, 0.1);
  clip-path: polygon(0 0, 100% 30%, 80% 100%, 20% 70%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__content {
  color: var(--faq-deep);
}

.page-faq .faq-hero .eyebrow {
  color: var(--faq-accent);
  font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-hero .eyebrow::before {
  content: "";
  width: 32px;
  height: 3px;
  background: var(--faq-accent);
  border-radius: 99px;
}

.page-faq .faq-hero .display-title {
  font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  text-transform: uppercase;
  color: #ffffff;
  max-width: 760px;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__lead {
  color: #E6F1FF;
  font-family: 'Inter', 'PingFang SC', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 20px;
  opacity: 0.9;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Inter', 'PingFang SC', sans-serif;
  font-size: 14px;
  color: #7A8FA6;
}

.page-faq .faq-breadcrumb a {
  color: #7A8FA6;
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-faq .faq-breadcrumb a:hover {
  color: var(--faq-accent);
}

.page-faq .faq-breadcrumb__sep {
  color: #33475B;
}

.page-faq .faq-hero__visual {
  border-radius: var(--faq-radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  transform: translateY(0);
  transition: transform 0.3s ease;
}

.page-faq .faq-hero__visual:hover {
  transform: translateY(-4px);
}

.page-faq .faq-hero__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-faq .faq-layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 20px 80px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  background: #F2F5F9;
}

.page-faq .faq-side {
  order: 1;
  position: sticky;
  top: 24px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-faq .faq-side__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: #ffffff;
  border-radius: 20px;
  padding: 12px;
  border: 1px solid var(--faq-line);
  box-shadow: 0 4px 20px rgba(11, 26, 45, 0.04);
}

.page-faq .faq-side__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  font-family: 'Inter', 'PingFang SC', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--faq-deep);
  text-decoration: none;
  background: transparent;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.page-faq .faq-side__link:hover {
  background: rgba(0, 255, 135, 0.08);
  border-color: rgba(0, 255, 135, 0.3);
}

.page-faq .faq-side__link.is-active {
  background: var(--faq-deep);
  color: #ffffff;
  border-color: var(--faq-deep);
}

.page-faq .faq-side__num {
  font-family: 'Roboto Mono', 'Consolas', monospace;
  font-size: 12px;
  font-weight: 700;
  opacity: 0.7;
}

.page-faq .faq-side__contact {
  background: var(--faq-deep);
  border-radius: 20px;
  padding: 24px;
  color: #ffffff;
  display: none;
}

.page-faq .faq-side__contact .card-title {
  font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #ffffff;
}

.page-faq .faq-side__contact p {
  font-family: 'Inter', 'PingFang SC', sans-serif;
  font-size: 14px;
  color: #7A8FA6;
  margin-bottom: 14px;
}

.page-faq .faq-main {
  order: 2;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.page-faq .faq-section {
  scroll-margin-top: 100px;
}

.page-faq .faq-section__head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--faq-line);
}

.page-faq .faq-section__head .section-number {
  font-family: 'Roboto Mono', 'Consolas', monospace;
  font-size: 28px;
  font-weight: 700;
  color: var(--faq-deep);
  position: relative;
  padding-left: 16px;
  line-height: 1;
}

.page-faq .faq-section__head .section-number::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 8px;
  height: 8px;
  background: var(--faq-accent);
  border-radius: 50%;
}

.page-faq .faq-section__head .section-title {
  font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif;
  font-size: 24px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--faq-deep);
  margin: 0;
}

.page-faq .faq-card {
  background: var(--faq-card-bg);
  border-radius: var(--faq-radius-lg);
  border: 1px solid var(--faq-line);
  box-shadow: 0 4px 24px rgba(11, 26, 45, 0.04);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-card:hover {
  box-shadow: 0 8px 32px rgba(11, 26, 45, 0.08);
}

.page-faq .faq-card__question {
  margin: 0;
}

.page-faq .faq-card__question .accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: 'Inter', 'PingFang SC', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--faq-deep);
  transition: background 0.2sease;
}

.page-faq .faq-card__question .accordion__trigger:hover,
.page-faq .faq-card__question .accordion__trigger[aria-expanded="true"] {
  background: rgba(0, 255, 135, 0.04);
}

.page-faq .faq-card__q-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--faq-deep);
  color: var(--faq-accent);
  font-family: 'Roboto Mono', 'Consolas', monospace;
  font-size: 12px;
  font-weight: 700;
  padding: 0 8px;
  flex-shrink: 0;
}

.page-faq .faq-card__toggle {
  position: relative;
  width: 18px;
  height: 18px;
  margin-left: auto;
  flex-shrink: 0;
}

.page-faq .faq-card__toggle::before,
.page-faq .faq-card__toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  background: var(--faq-deep);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease, background 0.2s ease;
}

.page-faq .faq-card__toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-card__question .accordion__trigger[aria-expanded="true"] .faq-card__toggle::before {
  transform: translate(-50%, -50%) rotate(180deg);
}

.page-faq .faq-card__question .accordion__trigger[aria-expanded="true"] .faq-card__toggle::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .faq-card__question .accordion__trigger[aria-expanded="true"] .faq-card__toggle::before,
.page-faq .faq-card__question .accordion__trigger[aria-expanded="true"] .faq-card__toggle::after {
  background: var(--faq-orange);
}

.page-faq .faq-card .accordion__panel {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.page-faq .faq-card .accordion__panel[aria-hidden="false"] {
  max-height: 800px;
  padding: 0 22px 20px;
}

.page-faq .faq-card .accordion__panel p {
  font-family: 'Inter', 'PingFang SC', sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: #33475B;
  background: #F8FAFC;
  border-radius: 16px;
  padding: 16px 18px;
  margin: 0;
  border-left: 3px solid var(--faq-accent);
}

.page-faq .faq-live__media {
  border-radius: var(--faq-radius-lg);
  overflow: hidden;
  margin-bottom: 18px;
  box-shadow: 0 8px 32px rgba(11, 26, 45, 0.08);
}

.page-faq .faq-live__media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-faq .faq-card__intro {
  background: #ffffff;
  border-radius: var(--faq-radius-lg);
  padding: 18px 22px;
  margin-bottom: 14px;
  border: 1px solid var(--faq-line);
}

.page-faq .faq-card__intro p {
  margin: 0;
  font-size: 15px;
  color: #33475B;
  line-height: 1.6;
}

.page-faq .faq-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
  align-items: center;
}

.page-faq .faq-legend .pill {
  font-size: 13px;
  padding: 8px 16px;
  font-weight: 600;
}

.page-faq .notice-bar {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #FFF4EE;
  border: 1px solid rgba(255, 107, 53, 0.25);
  border-left: 4px solid var(--faq-orange);
  border-radius: 18px;
  padding: 16px 20px;
  margin-bottom: 18px;
}

.page-faq .notice-bar__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--faq-orange);
  color: #ffffff;
  font-weight: 700;
  font-family: 'Roboto Mono', 'Consolas', monospace;
  flex-shrink: 0;
}

.page-faq .notice-bar p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: #5A3E30;
}

.page-faq .faq-support__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.page-faq .faq-support__card {
  background: #ffffff;
  border-radius: var(--faq-radius-lg);
  padding: 24px;
  border: 1px solid var(--faq-line);
  box-shadow: 0 4px 20px rgba(11, 26, 45, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-support__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(11, 26, 45, 0.08);
}

.page-faq .faq-support__label {
  display: block;
  font-family: 'Roboto Mono', 'Consolas', monospace;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--faq-muted);
  margin-bottom: 10px;
}

.page-faq .faq-support__value {
  display: block;
  font-family: 'Inter', 'PingFang SC', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--faq-deep);
  text-decoration: none;
  word-break: break-all;
  margin-bottom: 10px;
}

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

.page-faq .faq-support__note {
  font-size: 14px;
  color: var(--faq-muted);
  line-height: 1.5;
}

.page-faq .faq-support__tip {
  background: #EAF5EF;
  border-radius: 18px;
  padding: 16px 20px;
  font-size: 14px;
  color: #2D5A44;
  line-height: 1.6;
  border-left: 4px solid var(--faq-accent);
}

.page-faq .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.page-faq .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.page-faq .faq-side__nav .faq-side__link.is-active .faq-side__num {
  color: var(--faq-accent);
}

.page-faq .faq-side__nav .faq-side__link:not(.is-active) .faq-side__num {
  color: var(--faq-muted);
}

/* 移动端优先，600px 及以上增强布局 */
@media (min-width: 600px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-faq .faq-support__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-side__contact {
    display: block;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 260px 1fr;
    gap: 48px;
    padding: 72px 32px 100px;
  }

  .page-faq .faq-side {
    order: 0;
  }

  .page-faq .faq-side__nav {
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
  }

  .page-faq .faq-side__link {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
  }

  .page-faq .faq-side__num {
    font-size: 13px;
  }

  .page-faq .faq-section__head .section-title {
    font-size: 28px;
  }

  .page-faq .faq-card__question .accordion__trigger {
    font-size: 17px;
    padding: 22px 24px;
  }

  .page-faq .faq-card .accordion__panel p {
    font-size: 15px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero {
    padding: 88px 48px 72px;
    border-bottom-left-radius: 64px;
    border-bottom-right-radius: 64px;
  }

  .page-faq .faq-hero .display-title {
    font-size: 48px;
  }
}

/* 简化动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__visual,
  .page-faq .faq-card__toggle::before,
  .page-faq .faq-card__toggle::after,
  .page-faq .faq-card,
  .page-faq .faq-support__card {
    transition: none !important;
  }

  .page-faq .reveal {
    opacity: 1;
    transform: none;
  }
}