.page-faq {
  --faq-gap: 28px;
  background: var(--color-bg);
  color: var(--color-text);
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 30px 0 56px;
  background-color: #eef1f8;
  background-image:
    linear-gradient(rgba(26, 42, 108, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 42, 108, 0.1) 1px, transparent 1px);
  background-size: 28px 28px, 28px 28px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -24%;
  right: -14%;
  width: 72%;
  height: 170%;
  background: linear-gradient(135deg, transparent 46%, rgba(255, 111, 0, 0.22) 46%, rgba(255, 111, 0, 0.22) 52%, transparent 52%);
  transform: rotate(4deg);
  pointer-events: none;
  z-index: -1;
}

.page-faq .faq-hero-inner {
  display: block;
}

.page-faq .faq-hero-glass {
  position: relative;
  z-index: 1;
  padding: clamp(20px, 4vw, 40px);
  background: var(--color-glass);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-md);
  box-shadow: 0 24px 64px rgba(26, 42, 108, 0.28);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 18px;
}

.page-faq .faq-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.82);
}

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

.page-faq .faq-hero .breadcrumb [aria-current="page"] {
  color: var(--color-accent-soft);
}

.page-faq .faq-hero-index {
  color: var(--color-accent-soft) !important;
  border-color: rgba(255, 255, 255, 0.35) !important;
  background: rgba(255, 255, 255, 0.08) !important;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-headline);
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.1;
  color: var(--color-white);
  margin: 8px 0 10px;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero-lead {
  color: rgba(255, 255, 255, 0.86);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 62ch;
  margin: 0;
}

.page-faq .faq-searchbar {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 24px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.12);
}

.page-faq .faq-searchbar-icon {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
}

.page-faq .faq-searchbar-label {
  display: block;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 10px;
}

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

.page-faq .faq-quicklink {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.85rem;
  text-decoration: none;
  transition: background 300ms ease, color 300ms ease, border-color 300ms ease, transform 300ms ease;
}

.page-faq .faq-quicklink:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

/* ---------- 图片容器 ---------- */
.page-faq .faq-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(26, 42, 108, 0.16);
  background-image:
    linear-gradient(rgba(26, 42, 108, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 42, 108, 0.05) 1px, transparent 1px);
  background-size: 20px 20px, 20px 20px;
  background-color: var(--color-card-bg);
}

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

.page-faq .faq-hero-media {
  position: relative;
  z-index: 1;
  margin-top: 24px;
}

.page-faq .faq-hero-media .faq-media {
  width: min(220px, 100%);
  aspect-ratio: 1 / 1;
  margin-inline: auto;
}

/* ---------- 问答区块通用 ---------- */
.page-faq .faq-section {
  padding: clamp(36px, 6vw, 72px) 0;
  scroll-margin-top: 110px;
}

.page-faq .faq-section-grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-section-head h2 {
  font-family: var(--font-headline);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.2;
  margin: 10px 0 12px;
  color: var(--color-text);
}

.page-faq .faq-section-head p {
  color: #4d5363;
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 52ch;
  margin: 0;
}

.page-faq .index-label {
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  border: 1px solid rgba(255, 111, 0, 0.35);
  border-radius: 2px;
  padding: 3px 8px;
  background: rgba(255, 255, 255, 0.5);
}

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

/* ---------- 手风琴 ---------- */
.page-faq .acc-item {
  background: var(--color-white);
  border: 1px solid #dde3f2;
  border-left-width: 3px;
  border-left-color: #dde3f2;
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 2px rgba(26, 42, 108, 0.05);
  transition: border-color 300ms ease, box-shadow 300ms ease, background 300ms ease;
}

.page-faq .acc-item[data-open] {
  border-left-color: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-1);
}

.page-faq .acc-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  margin: 0;
  padding: 16px 18px;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-text);
  cursor: pointer;
}

.page-faq .acc-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
  border-radius: var(--radius-sm);
}

.page-faq .acc-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .acc-index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  border: 1px solid rgba(255, 111, 0, 0.4);
  border-radius: 2px;
  padding: 3px 6px;
  line-height: 1.4;
}

.page-faq .acc-icon {
  flex: 0 0 14px;
  position: relative;
  width: 14px;
  height: 14px;
  margin-left: auto;
}

.page-faq .acc-icon::before,
.page-faq .acc-icon::after {
  content: "";
  position: absolute;
  background: var(--color-accent);
  transition: opacity 300ms ease, transform 300ms ease;
}

.page-faq .acc-icon::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .acc-icon::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
}

.page-faq .acc-item[data-open] .acc-icon::after {
  opacity: 0;
  transform: translateX(-50%) scaleY(0);
}

.page-faq .acc-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 300ms ease;
}

.page-faq .acc-item[data-open] .acc-panel,
.page-faq .acc-toggle[aria-expanded="true"] + .acc-panel {
  grid-template-rows: 1fr;
}

.page-faq .acc-panel-inner {
  overflow: hidden;
  min-height: 0;
}

.page-faq .acc-panel-content {
  padding: 2px 18px 20px 18px;
  font-size: 0.94rem;
  line-height: 1.75;
  color: #3a3f4e;
  border-top: 1px solid #edf0f8;
}

.page-faq .acc-panel-content p {
  margin: 0;
}

.page-faq .acc-panel-content a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------- 访问与入口 ---------- */
.page-faq .faq-access {
  background: var(--color-bg);
}

.page-faq .faq-access .faq-access-media {
  width: min(100%, 320px);
  aspect-ratio: 1 / 1;
  margin-top: 20px;
}

/* ---------- 下载与版本深色区 ---------- */
.page-faq .faq-download {
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    var(--color-primary);
  background-size: 26px 26px, 26px 26px, auto;
}

.page-faq .faq-section-dark .faq-section-head h2 {
  color: var(--color-white);
}

.page-faq .faq-section-dark .faq-section-head p {
  color: rgba(255, 255, 255, 0.78);
}

.page-faq .faq-section-dark .index-label {
  color: var(--color-accent-soft);
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
}

.page-faq .faq-section-dark .acc-item {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: none;
}

.page-faq .faq-section-dark .acc-item[data-open] {
  border-left-color: var(--color-accent);
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.12);
}

.page-faq .faq-section-dark .acc-toggle {
  color: var(--color-white);
}

.page-faq .faq-section-dark .acc-index {
  color: var(--color-accent-soft);
  border-color: rgba(255, 255, 255, 0.42);
}

.page-faq .faq-section-dark .acc-icon::before,
.page-faq .faq-section-dark .acc-icon::after {
  background: var(--color-accent-soft);
}

.page-faq .faq-section-dark .acc-panel-content {
  color: rgba(255, 255, 255, 0.84);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.page-faq .faq-section-dark .acc-panel-content a {
  color: #ffb380;
}

/* ---------- 数据与刷新 ---------- */
.page-faq .faq-data {
  background-color: #eef1f8;
  background-image:
    linear-gradient(rgba(26, 42, 108, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 42, 108, 0.07) 1px, transparent 1px);
  background-size: 26px 26px, 26px 26px;
}

.page-faq .faq-schedule {
  display: grid;
  gap: 1px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  background: #d7deef;
  border: 1px solid #d7deef;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-faq .faq-schedule li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: var(--color-white);
  font-size: 0.9rem;
}

.page-faq .faq-schedule span {
  color: #4d5363;
}

.page-faq .faq-schedule b {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact {
  background:
    linear-gradient(135deg, transparent 68%, rgba(255, 111, 0, 0.16) 68%),
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    var(--color-primary);
  background-size: auto, 26px 26px, 26px 26px, auto;
}

.page-faq .faq-contact-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: clamp(20px, 4vw, 36px);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-faq .faq-contact-lead {
  color: rgba(255, 255, 255, 0.86);
  line-height: 1.75;
  margin: 0 0 20px;
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.page-faq .faq-text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  text-decoration: none;
  font-size: 0.9rem;
  transition: background 300ms ease, border-color 300ms ease;
}

.page-faq .faq-text-link:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.6);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.9);
}

.page-faq .faq-contact-list li span:first-child {
  flex: 0 0 56px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-accent-soft);
  letter-spacing: 0.06em;
  padding-top: 3px;
}

.page-faq .faq-contact-note {
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 28px;
    align-items: center;
  }

  .page-faq .faq-hero-media {
    margin-top: 0;
  }

  .page-faq .faq-hero-media .faq-media {
    width: 260px;
  }
}

@media (min-width: 960px) {
  .page-faq {
    --faq-gap: clamp(28px, 6vw, 64px);
  }

  .page-faq .faq-section-grid {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: var(--faq-gap);
  }

  .page-faq .faq-download .faq-section-head,
  .page-faq .faq-data .faq-section-head,
  .page-faq .faq-contact .faq-section-head {
    position: sticky;
    top: 108px;
    align-self: start;
  }

  .page-faq .faq-contact-card {
    align-self: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .acc-panel {
    transition: none;
  }

  .page-faq .acc-icon::before,
  .page-faq .acc-icon::after,
  .page-faq .faq-quicklink {
    transition: none;
  }
}