.page-faq {
  background:
    radial-gradient(ellipse 70% 45% at 85% 8%, rgba(156, 77, 255, 0.14), transparent 62%),
    radial-gradient(ellipse 50% 30% at 12% 92%, rgba(245, 184, 66, 0.06), transparent 60%),
    linear-gradient(180deg, var(--deep) 0%, var(--blue) 55%, var(--deep) 100%);
}

.page-faq .breadcrumb {
  padding-top: 24px;
  color: var(--gray);
  font-size: 14px;
}

/* ===== Hero ===== */
.page-faq .faq-hero {
  position: relative;
  padding: 48px 0 32px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(156, 77, 255, 0.12) 45%, transparent 70%);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

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

.page-faq .faq-hero__kicker {
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-hero__kicker::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  flex-shrink: 0;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--moon);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.page-faq .faq-hero__title::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--purple));
  margin-top: 14px;
}

.page-faq .faq-hero__lead {
  font-size: 17px;
  line-height: 1.7;
  color: var(--gray);
  max-width: 560px;
  margin-bottom: 28px;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.page-faq .faq-hero__stat {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 14px 10px;
  background: rgba(16, 27, 46, 0.7);
  border-left: 3px solid var(--gold);
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-faq .faq-hero__num {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-hero__stat-label {
  font-size: 12px;
  line-height: 1.4;
  color: var(--gray);
  margin-top: 6px;
}

.page-faq .faq-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-faq .faq-hero__visual {
  position: relative;
  z-index: 0;
}

.page-faq .faq-hero__visual::after {
  content: "";
  position: absolute;
  bottom: -12px;
  left: 30%;
  width: 40%;
  height: 90px;
  background: radial-gradient(circle, rgba(245, 184, 66, 0.24) 0%, transparent 70%);
  filter: blur(18px);
  pointer-events: none;
}

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

.page-faq .faq-hero__caption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--gray);
  text-align: right;
  letter-spacing: 0.04em;
}

/* ===== 快速检索 ===== */
.page-faq .faq-search {
  padding: 16px 0 48px;
}

.page-faq .faq-search__inner {
  position: relative;
  background: rgba(16, 27, 46, 0.72);
  border: 1px solid rgba(139, 155, 180, 0.16);
  border-left: 4px solid var(--purple);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 100%, 0 100%);
  padding: 24px 32px 24px 28px;
}

.page-faq .faq-search__label {
  display: block;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}

.page-faq .faq-search__input {
  width: 100%;
  max-width: 720px;
  background: var(--deep);
  border: 1px solid rgba(139, 155, 180, 0.32);
  color: var(--moon);
  font-size: 16px;
  font-family: var(--font-body);
  padding: 14px 18px;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.page-faq .faq-search__input::placeholder {
  color: rgba(139, 155, 180, 0.7);
}

.page-faq .faq-search__input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(245, 184, 66, 0.14);
}

.page-faq .faq-search__hint {
  margin-top: 10px;
  font-size: 13px;
  color: var(--gray);
}

/* ===== 目录 + 手风琴 ===== */
.page-faq .faq-layout {
  padding: 8px 0 72px;
}

.page-faq .faq-layout__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-faq .faq-toc {
  background: rgba(16, 27, 46, 0.5);
  border: 1px solid rgba(139, 155, 180, 0.12);
  padding: 22px 18px;
}

.page-faq .faq-toc__title {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--moon);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(245, 184, 66, 0.35);
  position: relative;
}

.page-faq .faq-toc__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 42px;
  height: 2px;
  background: var(--gold);
}

.page-faq .faq-toc__list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.page-faq .faq-toc__item {
  flex-shrink: 0;
}

.page-faq .faq-toc__item a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: linear-gradient(135deg, rgba(27, 16, 53, 0.7) 0%, rgba(16, 27, 46, 0.6) 100%);
  color: var(--gray);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.4;
  border-left: 3px solid transparent;
  transform: skewX(-5deg);
  transition: all 0.3s var(--ease);
}

.page-faq .faq-toc__item a > * {
  transform: skewX(5deg);
}

.page-faq .faq-toc__item a:hover,
.page-faq .faq-toc__item a:focus {
  color: var(--gold);
  border-left-color: var(--gold);
  background: linear-gradient(135deg, rgba(245, 184, 66, 0.14) 0%, rgba(156, 77, 255, 0.1) 100%);
}

.page-faq .faq-toc__index {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--purple);
  background: rgba(156, 77, 255, 0.1);
  padding: 3px 6px;
  flex-shrink: 0;
}

.page-faq .faq-toc__note {
  padding: 14px;
  background: rgba(245, 184, 66, 0.07);
  border-left: 3px solid var(--gold);
}

.page-faq .faq-toc__note p {
  margin: 0 0 6px;
  font-size: 14px;
  color: var(--gray);
}

.page-faq .faq-toc__link {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--gold);
  text-decoration: none;
}

.page-faq .faq-toc__link:hover {
  text-decoration: underline;
}

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

.page-faq .faq-item {
  background: rgba(16, 27, 46, 0.6);
  border: 1px solid rgba(139, 155, 180, 0.16);
  margin-bottom: 16px;
  transition: border-color 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(245, 184, 66, 0.55);
  background: rgba(16, 27, 46, 0.75);
  box-shadow: 0 0 30px rgba(245, 184, 66, 0.07), 0 0 0 1px rgba(245, 184, 66, 0.12);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-faq .faq-item__index {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--purple);
  background: rgba(156, 77, 255, 0.12);
  padding: 5px 8px;
  flex-shrink: 0;
  clip-path: polygon(4px 0, 100% 0, calc(100% - 4px) 100%, 0 100%);
}

.page-faq .faq-item__title {
  flex: 1;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.35;
  color: var(--moon);
  transition: color 0.3s;
}

.page-faq .faq-item__summary:hover .faq-item__title {
  color: var(--gold);
}

.page-faq .faq-item__arrow {
  margin-left: auto;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1;
  color: var(--gold);
  transition: transform 0.35s var(--ease);
  flex-shrink: 0;
}

.page-faq .faq-item[open] .faq-item__arrow {
  transform: rotate(45deg);
}

.page-faq .faq-item__body {
  padding: 4px 24px 24px 20px;
  border-top: 1px dashed rgba(139, 155, 180, 0.2);
}

.page-faq .faq-item__body p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
  margin: 14px 0;
}

.page-faq .faq-item__body ul,
.page-faq .faq-item__body ol {
  margin: 12px 0 16px;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
}

.page-faq .faq-item__body li {
  margin-bottom: 8px;
}

.page-faq .faq-item__body strong {
  color: var(--moon);
  font-weight: 700;
}

.page-faq .faq-item__note {
  margin-top: 16px;
  padding: 12px 14px;
  background: rgba(245, 184, 66, 0.06);
  border-left: 3px solid var(--orange);
  font-size: 14px;
  color: var(--gray);
}

.page-faq .faq-item__note a,
.page-faq .faq-item__body a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 厂商覆盖 ===== */
.page-faq .faq-vendors {
  background: linear-gradient(180deg, rgba(16, 27, 46, 0.9) 0%, rgba(27, 16, 53, 0.55) 100%);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-vendors::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--purple) 55%, transparent 100%);
  filter: blur(1px);
}

.page-faq .faq-vendors .section-heading {
  text-align: left;
}

.page-faq .faq-vendors .section-heading__title {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1.18;
  color: var(--moon);
  margin-top: 6px;
}

.page-faq .faq-vendors .section-heading__desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray);
  margin-top: 12px;
}

.page-faq .faq-vendors__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 32px;
}

.page-faq .faq-vendors__chart {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px 20px;
  background: rgba(11, 14, 20, 0.55);
  border: 1px solid rgba(139, 155, 180, 0.12);
}

.page-faq .faq-vendors__chart-note {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--gray);
  opacity: 0.8;
}

.page-faq .vendor-bar {
  display: grid;
  grid-template-columns: 96px 1fr;
  align-items: center;
  gap: 14px;
}

.page-faq .vendor-bar__label {
  font-size: 13px;
  color: var(--gray);
  text-align: right;
  white-space: nowrap;
}

.page-faq .vendor-bar__track {
  height: 12px;
  background: rgba(139, 155, 180, 0.14);
  clip-path: polygon(4px 0, 100% 0, calc(100% - 4px) 100%, 0 100%);
}

.page-faq .vendor-bar__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--purple) 0%, var(--gold) 100%);
  box-shadow: 0 0 12px rgba(245, 184, 66, 0.25);
}

.page-faq .vendor-bar__fill--w90 { width: 90%; }
.page-faq .vendor-bar__fill--w65 { width: 65%; }
.page-faq .vendor-bar__fill--w40 { width: 40%; }
.page-faq .vendor-bar__fill--w30 { width: 30%; }

.page-faq .faq-vendors__brands {
  padding: 22px 20px;
  background: rgba(11, 14, 20, 0.35);
  border-left: 4px solid var(--purple);
}

.page-faq .faq-vendors__subtitle {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--moon);
  margin: 0 0 14px;
}

.page-faq .faq-vendors__taglist {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-vendors__note {
  font-size: 14px;
  line-height: 1.65;
  color: var(--gray);
  margin: 0;
}

.page-faq .faq-vendors__visual {
  margin-top: 36px;
}

.page-faq .faq-vendors__visual .img-frame {
  margin: 0 auto;
  max-width: 100%;
}

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

/* ===== 底部联系 CTA ===== */
.page-faq .faq-contact-cta {
  padding: 72px 0 88px;
}

.page-faq .faq-contact-cta__inner {
  position: relative;
  background: linear-gradient(120deg, rgba(156, 77, 255, 0.2) 0%, rgba(11, 14, 20, 0.62) 45%, rgba(245, 184, 66, 0.13) 100%);
  clip-path: polygon(0 14px, 14px 0, calc(100% - 18px) 0, 100% 14px, 100% calc(100% - 14px), calc(100% - 18px) 100%, 14px 100%, 0 calc(100% - 14px));
  padding: 44px 32px 48px;
  text-align: center;
}

.page-faq .faq-contact-cta__inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 14%;
  right: 14%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.page-faq .faq-contact-cta__title {
  font-family: var(--font-display);
  font-size: 30px;
  letter-spacing: 0.02em;
  color: var(--moon);
  margin-bottom: 12px;
}

.page-faq .faq-contact-cta__desc {
  max-width: 620px;
  margin: 0 auto 24px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
}

.page-faq .faq-contact-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }

  .page-faq .faq-hero__stat {
    padding: 18px 22px;
    text-align: left;
  }

  .page-faq .faq-hero__num {
    font-size: 36px;
  }

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

  .page-faq .faq-layout__grid {
    grid-template-columns: 280px 1fr;
    gap: 48px;
    align-items: start;
  }

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

  .page-faq .faq-toc__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-toc__item {
    flex-shrink: 1;
  }

  .page-faq .faq-vendors__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .page-faq .faq-vendors .section-heading__title {
    font-size: 34px;
  }

  .page-faq .faq-contact-cta__title {
    font-size: 34px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout__grid {
    grid-template-columns: 300px 1fr;
    gap: 64px;
  }
}

@media (max-width: 767px) {
  .page-faq .faq-hero {
    padding-top: 32px;
  }

  .page-faq .faq-hero__stats {
    gap: 10px;
  }

  .page-faq .faq-hero__stat {
    padding: 12px 8px;
  }

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

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

  .page-faq .faq-item__body {
    padding: 4px 18px 20px 16px;
  }

  .page-faq .faq-contact-cta__inner {
    padding: 36px 20px 40px;
  }
}