.page-faq {
  --faq-ink: #0b1f33;
  --faq-blue: #1a4b8c;
  --faq-blue-2: #2c5f9e;
  --faq-orange: #e25730;
  --faq-gold: #d4a017;
  --faq-paper: #f7f9fc;
  --faq-ice: #b8d4e8;
  background-color: var(--faq-paper);
}

/* ===== Hero ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 44px 0 72px;
  background: linear-gradient(155deg, var(--color-deep) 0%, var(--color-primary) 58%, var(--faq-blue-2) 100%);
}

.page-faq .faq-hero::before {
  content: '?';
  position: absolute;
  top: -50px;
  right: -24px;
  font-family: var(--font-heading);
  font-size: 250px;
  font-weight: 900;
  line-height: 1;
  color: rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -18px;
  height: 44px;
  background: var(--faq-paper);
  border-radius: 50% 50% 0 0 / 78% 78% 0 0;
  z-index: 1;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-faq .faq-hero__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  background: rgba(212, 160, 23, 0.12);
  border: 1px solid rgba(212, 160, 23, 0.38);
  border-radius: 999px;
  padding: 5px 14px;
  margin: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: #fff;
  margin: 14px 0 12px;
}

.page-faq .faq-hero__intro {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  max-width: 500px;
  margin: 0;
}

.page-faq .faq-hero__hint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-family: var(--font-heading);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.page-faq .faq-hero__hint::before {
  content: '→';
  color: var(--color-gold);
  font-weight: 700;
}

.page-faq .faq-hero__media {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  margin: 0;
  border: 4px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 28px 60px rgba(11, 31, 51, 0.35);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-hero__caption {
  position: absolute;
  right: 14px;
  bottom: 14px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-deep);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border-radius: 999px;
}

/* ===== 面包屑 ===== */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 20px;
}

.page-faq .breadcrumb a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  transition: color var(--transition);
}

.page-faq .breadcrumb a:hover {
  color: #fff;
}

.page-faq .breadcrumb__sep {
  opacity: 0.5;
}

/* ===== 内容主体布局 ===== */
.page-faq .faq-bento {
  padding-top: 40px;
  padding-bottom: 64px;
  display: grid;
  gap: 28px;
}

.page-faq .faq-main {
  display: grid;
  gap: 24px;
}

/* ===== 侧边目录 ===== */
.page-faq .faq-sidebar {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 22px 18px;
  border-left: 4px solid var(--color-primary);
}

.page-faq .faq-sidebar__label {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-sidebar__label::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.page-faq .faq-sidebar__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-sidebar__list a {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  background: var(--color-gray);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.page-faq .faq-sidebar__list a:hover,
.page-faq .faq-sidebar__list a:focus-visible {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-1px);
}

.page-faq .faq-sidebar__note {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--color-glacier);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-muted);
  display: grid;
  gap: 12px;
}

.page-faq .faq-sidebar__badge {
  margin-top: 14px;
  font-size: 12px;
  color: var(--color-muted);
  border: 1px dashed var(--color-glacier);
  border-radius: 10px;
  padding: 8px 10px;
  text-align: center;
  background: var(--color-gray);
}

/* ===== 问答章节 ===== */
.page-faq .faq-section {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  border-top: 4px solid var(--color-primary);
  padding: 22px 16px 20px;
  scroll-margin-top: 100px;
}

.page-faq #faq-download {
  border-top-color: var(--color-accent);
}

.page-faq #faq-updates {
  border-top-color: var(--color-gold);
}

.page-faq #faq-security {
  border-top-color: var(--color-deep);
}

.page-faq .faq-section__head {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--color-gray);
  padding-bottom: 14px;
  margin-bottom: 12px;
}

.page-faq .faq-section__num {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  background: rgba(226, 87, 48, 0.1);
  padding: 4px 12px;
  border-radius: 999px;
}

.page-faq .faq-section h2 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-deep);
  margin: 0;
  letter-spacing: 0.02em;
}

.page-faq .faq-section__desc {
  font-size: 13px;
  color: var(--color-muted);
  font-family: var(--font-heading);
  margin: 0 0 18px;
  padding-left: 4px;
}

/* ===== 手风琴卡片 ===== */
.page-faq .faq-group {
  display: grid;
  gap: 10px;
}

.page-faq .faq-card {
  background: var(--color-gray);
  border: 1px solid transparent;
  border-radius: 14px;
  overflow: hidden;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.page-faq .faq-card[open] {
  background: #fff;
  border-color: var(--color-glacier);
  box-shadow: var(--shadow-float);
}

.page-faq .faq-card__summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-deep);
  user-select: none;
  transition: background var(--transition);
}

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

.page-faq .faq-card__summary:hover {
  background: rgba(255, 255, 255, 0.45);
}

.page-faq .faq-card[open] .faq-card__summary {
  border-bottom: 1px solid var(--color-gray);
}

.page-faq .faq-card__summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.page-faq .faq-card__q {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 800;
}

.page-faq .faq-card__title {
  flex: 1;
}

.page-faq .faq-card__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-glacier);
  position: relative;
  transition: background var(--transition);
}

.page-faq .faq-card__icon::before,
.page-faq .faq-card__icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-primary);
  transform: translate(-50%, -50%);
  transition: background var(--transition);
}

.page-faq .faq-card__icon::after {
  width: 2px;
  height: 12px;
}

.page-faq .faq-card[open] .faq-card__icon {
  background: var(--color-accent);
}

.page-faq .faq-card[open] .faq-card__icon::before {
  background: #fff;
}

.page-faq .faq-card[open] .faq-card__icon::after {
  display: none;
}

.page-faq .faq-card__answer {
  padding: 14px 16px 18px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text);
}

.page-faq .faq-card__answer p {
  margin: 0 0 8px;
}

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

.page-faq .faq-card__answer a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration-line: underline;
  text-decoration-color: rgba(26, 75, 140, 0.35);
  text-underline-offset: 3px;
}

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

/* ===== 底部联系支持 ===== */
.page-faq .faq-contact {
  background: linear-gradient(135deg, var(--color-deep) 0%, var(--color-primary) 62%, var(--faq-blue-2) 100%);
  color: #fff;
  border-top: 3px solid var(--color-gold);
  padding: 48px 0 56px;
  margin-top: 48px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-contact::before {
  content: '';
  position: absolute;
  right: 6%;
  bottom: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 160, 23, 0.16), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-contact::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, transparent 0 52px, rgba(212, 160, 23, 0.08) 52px 53px),
    radial-gradient(ellipse at 85% 15%, rgba(184, 212, 232, 0.14), transparent 55%);
  pointer-events: none;
}

.page-faq .faq-contact__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-faq .faq-contact__label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  background: rgba(212, 160, 23, 0.1);
  border: 1px solid rgba(212, 160, 23, 0.4);
  border-radius: 999px;
  padding: 5px 14px;
  margin: 0 0 14px;
}

.page-faq .faq-contact h2 {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 10px;
  line-height: 1.25;
}

.page-faq .faq-contact__lead {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  max-width: 520px;
  margin: 0;
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
}

.page-faq .faq-contact__list div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  padding: 10px 16px;
}

.page-faq .faq-contact__list dt {
  min-width: 76px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-gold);
}

.page-faq .faq-contact__list dd {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 15px;
  color: rgba(255, 255, 255, 0.96);
  word-break: break-all;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 12px;
}

.page-faq .btn--ghost {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #fff;
}

.page-faq .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.2);
}

.page-faq .faq-contact__note {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.62);
  font-family: var(--font-heading);
  line-height: 1.7;
  max-width: 460px;
  margin: 0;
}

.page-faq .faq-contact__media {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 4px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 24px 52px rgba(11, 31, 51, 0.32);
  margin: 0;
}

.page-faq .faq-contact__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-contact__caption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  background: rgba(11, 31, 51, 0.72);
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--font-heading);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: 999px;
}

/* ===== 响应式 ===== */
@media (min-width: 768px) {
  .page-faq .faq-hero h1 {
    font-size: 46px;
  }

  .page-faq .faq-section {
    padding: 28px 26px 24px;
  }

  .page-faq .faq-card__answer {
    padding: 14px 20px 18px 58px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-contact {
    padding: 56px 0 64px;
  }

  .page-faq .faq-contact__inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding-top: 64px;
    padding-bottom: 92px;
  }

  .page-faq .faq-hero::before {
    font-size: 420px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }

  .page-faq .faq-hero__media {
    transform: rotate(1.5deg);
  }

  .page-faq .faq-bento {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
    padding-top: 56px;
    padding-bottom: 80px;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-sidebar__list {
    display: grid;
    gap: 8px;
  }

  .page-faq .faq-sidebar__list a {
    display: block;
    border-radius: 10px;
    padding: 9px 14px;
  }

  .page-faq .faq-main {
    gap: 28px;
  }
}