.page-faq {
  --faq-card-bg: linear-gradient(135deg, #4A0E0E 0%, #0A0A0A 72%);
  --faq-gold-line: rgba(212, 175, 55, 0.28);
  --faq-rice-strong: #F5E9C8;
  background-color: var(--color-ink);
  color: var(--color-white);
  overflow-x: hidden;
}

.page-faq .container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.page-faq .faq-hero {
  position: relative;
  padding: 56px 0 32px;
  background: var(--faq-card-bg);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "發";
  position: absolute;
  right: -20px;
  top: 24px;
  font-family: var(--font-heading);
  font-size: 220px;
  font-weight: 900;
  line-height: 1;
  color: rgba(212, 175, 55, 0.07);
  transform: rotate(12deg);
  pointer-events: none;
}

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

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--color-gold);
  text-transform: uppercase;
}

.page-faq .faq-kicker::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--color-gold);
  border-radius: 2px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 32px;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--color-white);
}

.page-faq .faq-hero-desc {
  margin: 0 0 28px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-rice);
  opacity: 0.92;
}

.page-faq .faq-search-box {
  display: flex;
  align-items: center;
  max-width: 720px;
  background: var(--color-ink);
  border: 2px solid var(--color-gold);
  border-radius: var(--radius-pill);
  padding: 6px 8px 6px 18px;
  box-shadow: var(--shadow-gold);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-search-box:focus-within {
  border-color: var(--color-rice);
  box-shadow: 0 0 24px rgba(241, 229, 195, 0.22);
}

.page-faq .faq-search-icon {
  position: relative;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-right: 12px;
}

.page-faq .faq-search-icon::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 2px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--color-gold);
  border-radius: 50%;
}

.page-faq .faq-search-icon::after {
  content: "";
  position: absolute;
  left: 15px;
  top: 14px;
  width: 7px;
  height: 2px;
  background: var(--color-gold);
  transform: rotate(45deg);
  border-radius: 2px;
}

.page-faq .faq-search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 12px 8px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.4;
  color: var(--color-white);
}

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

.page-faq .faq-hot-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
}

.page-faq .faq-hot-label {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-gray);
}

.page-faq .faq-hot-tags .chip {
  font-size: 13px;
  padding: 6px 14px;
  text-decoration: none;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .faq-hot-tags .chip:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(200, 16, 46, 0.4);
}

.page-faq .faq-hero-visual {
  margin-top: 32px;
  text-align: center;
}

.page-faq .faq-hero-image {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.page-faq .faq-section {
  padding: 56px 0 24px;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-faq .faq-sidebar {
  margin-bottom: 28px;
}

.page-faq .faq-sidebar-title {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-gold);
  letter-spacing: 0.05em;
}

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

.page-faq .faq-cat-link {
  display: inline-block;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-gold-line);
  background: rgba(10, 10, 10, 0.6);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-rice);
  text-decoration: none;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-cat-link:hover,
.page-faq .faq-cat-link.is-active {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-ink);
}

.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-category {
  margin-bottom: 40px;
  padding-left: 4px;
  border-left: 3px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.page-faq .faq-category[data-section-target="faq-download"] {
  border-left-color: var(--color-gold);
}

.page-faq .faq-category[data-section-target="faq-install"] {
  border-left-color: var(--color-red);
}

.page-faq .faq-category[data-section-target="faq-compat"] {
  border-left-color: #B8860B;
}

.page-faq .faq-category[data-section-target="faq-usage"] {
  border-left-color: var(--color-emerald);
}

.page-faq .faq-category[data-section-target="faq-account"] {
  border-left-color: var(--color-gray);
}

.page-faq .faq-category-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 24px;
  color: var(--color-white);
}

.page-faq .faq-cat-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--color-dark-red);
  color: var(--color-gold);
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 700;
}

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

.page-faq .faq-item {
  border: 1px solid rgba(241, 229, 195, 0.14);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(241, 229, 195, 0.1) 0%, rgba(241, 229, 195, 0.04) 100%);
  overflow: hidden;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(212, 175, 55, 0.5);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.08);
}

.page-faq .faq-item summary {
  cursor: pointer;
  padding: 18px 20px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-rice);
  list-style: none;
  position: relative;
  padding-right: 44px;
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-gold);
  transition: transform 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
  color: var(--color-emerald);
}

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

.page-faq .faq-answer {
  padding: 0 20px 18px;
}

.page-faq .faq-answer p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-rice);
  opacity: 0.9;
}

.page-faq .faq-guide {
  padding: 48px 0 24px;
}

.page-faq .faq-guide-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #4A0E0E 0%, #1A0505 100%);
  border: 1px solid rgba(212, 175, 55, 0.3);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-guide-card::after {
  content: "指南";
  position: absolute;
  right: -10px;
  bottom: -14px;
  font-family: var(--font-heading);
  font-size: 96px;
  font-weight: 900;
  color: rgba(212, 175, 55, 0.06);
  line-height: 1;
  pointer-events: none;
}

.page-faq .faq-guide-kicker {
  margin: 0 0 4px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-emerald);
  text-transform: uppercase;
}

.page-faq .faq-guide-info h2 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 800;
  color: var(--color-white);
}

.page-faq .faq-guide-info p {
  margin: 0 0 20px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-rice);
  opacity: 0.9;
  max-width: 520px;
}

.page-faq .faq-guide-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-start;
  align-content: flex-start;
  position: relative;
  z-index: 1;
}

.page-faq .faq-guide-badges .chip {
  font-size: 13px;
  padding: 6px 14px;
}

.page-faq .faq-support {
  padding: 48px 0 56px;
}

.page-faq .faq-support-title {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  text-align: center;
  color: var(--color-white);
}

.page-faq .faq-support-desc {
  margin: 0 0 28px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-gray);
  text-align: center;
}

.page-faq .faq-support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 720px;
  margin: 0 auto;
}

.page-faq .faq-support-card {
  background: linear-gradient(160deg, rgba(241, 229, 195, 0.12) 0%, rgba(10, 10, 10, 0.7) 100%);
  border: 1px solid rgba(212, 175, 55, 0.28);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  position: relative;
}

.page-faq .faq-support-card-icon {
  font-size: 30px;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.page-faq .faq-support-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
}

.page-faq .faq-support-value {
  margin: 0 0 8px;
  font-family: var(--font-data);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-gold);
  word-break: break-all;
}

.page-faq .faq-support-meta {
  margin: 0 0 4px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-rice);
  opacity: 0.72;
}

.page-faq .faq-support-card .btn {
  margin-top: 12px;
}

.page-faq .faq-support-note {
  max-width: 720px;
  margin: 20px auto 0;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: rgba(74, 14, 14, 0.4);
  border-left: 3px solid var(--color-gold);
}

.page-faq .faq-support-note p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-gray);
}

.page-faq .faq-support-note a {
  color: var(--color-gold);
  text-decoration: none;
}

.page-faq .faq-support-note a:hover {
  text-decoration: underline;
}

.page-faq .faq-support-visual {
  margin-top: 32px;
  text-align: center;
}

.page-faq .faq-support-image {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 64px 0 40px;
  }

  .page-faq .faq-hero h1 {
    font-size: 40px;
  }

  .page-faq .faq-hero-desc {
    font-size: 17px;
  }

  .page-faq .faq-search-input {
    font-size: 16px;
  }

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

  .page-faq .faq-guide-card {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 36px 32px;
  }

  .page-faq .faq-guide-badges {
    flex-direction: column;
    align-items: flex-end;
  }
}

@media (min-width: 992px) {
  .page-faq .faq-hero h1 {
    font-size: 48px;
  }

  .page-faq .faq-section {
    padding: 72px 0 32px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 220px 1fr;
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: 140px;
    margin-bottom: 0;
  }

  .page-faq .faq-category-list {
    flex-direction: column;
    gap: 6px;
  }

  .page-faq .faq-cat-link {
    display: block;
    text-align: center;
  }

  .page-faq .faq-cat-num {
    width: 40px;
    height: 40px;
    font-size: 15px;
  }

  .page-faq .faq-category-title {
    font-size: 26px;
  }

  .page-faq .faq-item summary {
    padding: 20px 46px 20px 22px;
    font-size: 16px;
  }

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

  .page-faq .faq-guide {
    padding: 56px 0 32px;
  }

  .page-faq .faq-guide-info h2 {
    font-size: 28px;
  }

  .page-faq .faq-support {
    padding: 56px 0 64px;
  }
}