/* 页面专属 CSS：.page-faq */
.page-faq {
  --faq-line: rgba(214, 179, 255, 0.16);
  --faq-open-bg: #202D5C;
  --faq-card-bg: rgba(26, 42, 90, 0.40);
  position: relative;
}

/* Hero 区 */
.page-faq .faq-hero {
  position: relative;
  padding: 32px 0 52px;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(155, 89, 246, 0.18), transparent 52%),
    radial-gradient(90% 80% at 6% 96%, rgba(255, 107, 53, 0.10), transparent 46%);
}

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

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: -8%;
  right: -8%;
  bottom: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent 2%, var(--neon) 34%, var(--orange) 72%, transparent 98%);
  transform: rotate(-1.6deg);
  opacity: 0.75;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 28px;
  background: linear-gradient(115deg, var(--galaxy), transparent 70%);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  opacity: 0.32;
  pointer-events: none;
}

/* 面包屑 */
.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--text-deep);
}

.page-faq .breadcrumbs a {
  color: var(--lavender);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-faq .breadcrumbs a:hover {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .breadcrumbs__sep {
  color: rgba(255, 255, 255, 0.28);
}

/* 标题与简介 */
.page-faq .faq-hero__content .kicker {
  margin-bottom: 10px;
}

.page-faq .faq-title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(34px, 7vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-faq .faq-intro {
  max-width: 36em;
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-light);
}

/* 快速查找面板 */
.page-faq .faq-searchbox {
  max-width: 720px;
  padding: 18px 20px 20px;
  border-radius: 22px;
  border: 1px solid rgba(155, 89, 246, 0.38);
  background: linear-gradient(145deg, rgba(155, 89, 246, 0.16), rgba(26, 42, 90, 0.72));
  box-shadow: 0 10px 40px rgba(11, 16, 38, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.page-faq .faq-searchbox__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--lavender);
}

.page-faq .faq-searchbox__icon {
  width: 20px;
  height: 20px;
  color: var(--neon);
  flex-shrink: 0;
}

.page-faq .faq-searchbox__hint {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-deep);
}

.page-faq .faq-searchbox__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 分类标签 */
.page-faq .faq-tag {
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-tag--purple {
  color: var(--lavender);
  border-color: rgba(155, 89, 246, 0.5);
  background: rgba(155, 89, 246, 0.12);
}

.page-faq .faq-tag--purple:hover,
.page-faq .faq-tag--purple:focus-visible {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--white);
  transform: scale(1.05);
}

.page-faq .faq-tag--orange {
  color: var(--orange);
  border-color: rgba(255, 107, 53, 0.5);
  background: rgba(255, 107, 53, 0.12);
}

.page-faq .faq-tag--orange:hover,
.page-faq .faq-tag--orange:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
  transform: scale(1.05);
}

.page-faq .faq-tag--yellow {
  color: var(--yellow);
  border-color: rgba(255, 209, 102, 0.45);
  background: rgba(255, 209, 102, 0.10);
}

.page-faq .faq-tag--yellow:hover,
.page-faq .faq-tag--yellow:focus-visible {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--deep-space);
  transform: scale(1.05);
}

.page-faq .faq-tag--lavender {
  color: var(--lavender);
  border-color: rgba(214, 179, 255, 0.45);
  background: rgba(214, 179, 255, 0.10);
}

.page-faq .faq-tag--lavender:hover,
.page-faq .faq-tag--lavender:focus-visible {
  background: var(--lavender);
  border-color: var(--lavender);
  color: var(--deep-space);
  transform: scale(1.05);
}

/* Hero 图片 */
.page-faq .faq-hero__media {
  margin-top: 26px;
}

.page-faq .faq-hero__media .media-frame {
  border-radius: var(--radius);
  border: 1px solid rgba(155, 89, 246, 0.28);
  overflow: hidden;
  box-shadow: 0 18px 48px rgba(11, 16, 38, 0.6);
}

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

.page-faq .faq-hero__caption {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--text-deep);
}

/* 主体区 */
.page-faq .faq-body {
  position: relative;
  z-index: 1;
  padding: 50px 0 72px;
}

.page-faq .faq-layout {
  display: grid;
  gap: 40px;
}

/* 分类章节 */
.page-faq .faq-category {
  position: relative;
}

.page-faq .faq-category__head {
  position: relative;
  padding: 4px 0 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-category__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 64px;
  height: 4px;
  border-radius: 999px;
  background: var(--cat-color, var(--neon));
}

.page-faq .faq-category--schedule {
  --cat-color: var(--neon);
}

.page-faq .faq-category--download {
  --cat-color: var(--orange);
}

.page-faq .faq-category--account {
  --cat-color: var(--yellow);
}

.page-faq .faq-category--data {
  --cat-color: var(--lavender);
}

.page-faq .faq-category__head h2 {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 4.6vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--white);
}

.page-faq .faq-category__head p {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-deep);
}

.page-faq .faq-category__number {
  position: absolute;
  top: -14px;
  right: 0;
  font-family: var(--font-head);
  font-size: 70px;
  font-weight: 800;
  line-height: 1;
  color: var(--cat-color, var(--neon));
  opacity: 0.14;
  user-select: none;
  pointer-events: none;
}

/* 手风琴 */
.page-faq .faq-item {
  position: relative;
  margin-bottom: 10px;
  border-radius: 14px;
  border: 1px solid var(--faq-line);
  background: var(--faq-card-bg);
  overflow: hidden;
  transition: border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(155, 89, 246, 0.42);
}

.page-faq .faq-item[open] {
  border-color: rgba(155, 89, 246, 0.58);
  background: var(--faq-open-bg);
  box-shadow: 0 8px 30px var(--glow);
}

.page-faq .faq-item summary {
  position: relative;
  padding: 16px 48px 16px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  transition: color 0.2s ease;
}

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

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  color: var(--lavender);
  text-decoration: underline;
  text-decoration-color: rgba(155, 89, 246, 0.5);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.page-faq .faq-item summary::before,
.page-faq .faq-item summary::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 20px;
  width: 11px;
  height: 2px;
  border-radius: 2px;
  background: var(--neon);
  transition: background-color 0.2s ease, transform 0.25s ease;
}

.page-faq .faq-item summary::before {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item summary::after {
  transform: translateY(-50%);
}

.page-faq .faq-item summary:hover::before,
.page-faq .faq-item summary:hover::after {
  background: var(--orange);
}

.page-faq .faq-item[open] summary::before {
  transform: translateY(-50%) rotate(0deg);
  background: var(--orange);
}

.page-faq .faq-item[open] summary::after {
  background: var(--orange);
}

.page-faq .faq-item__body {
  margin: 0 18px;
  padding: 14px 2px 18px;
  border-top: 1px dashed rgba(255, 255, 255, 0.10);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-light);
}

.page-faq .faq-item__body p {
  margin: 0;
}

/* 侧边栏 */
.page-faq .faq-side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-faq .faq-help,
.page-faq .faq-guide {
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid rgba(214, 179, 255, 0.16);
  background: linear-gradient(150deg, rgba(155, 89, 246, 0.12), transparent 46%), var(--galaxy);
}

.page-faq .faq-help img {
  border-radius: 12px;
  border: 1px solid rgba(155, 89, 246, 0.22);
}

.page-faq .faq-help h2,
.page-faq .faq-guide h2 {
  margin: 18px 0 8px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--white);
}

.page-faq .faq-help p,
.page-faq .faq-guide > p {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-light);
}

.page-faq .faq-help__contact {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(214, 179, 255, 0.16);
}

.page-faq .faq-help__email,
.page-faq .faq-help__phone {
  font-weight: 600;
  color: var(--lavender);
  word-break: break-word;
}

.page-faq .faq-help a.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin-top: 16px;
  box-sizing: border-box;
}

.page-faq .faq-guide ul {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-guide li + li {
  margin-top: 10px;
}

.page-faq .faq-guide a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--lavender);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-faq .faq-guide a::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
}

.page-faq .faq-guide a:hover {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 媒体查询 */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 44px 0 60px;
  }

  .page-faq .faq-searchbox {
    padding: 22px 26px 24px;
  }

  .page-faq .faq-item summary {
    padding: 19px 52px 19px 22px;
    font-size: 15px;
  }

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

@media (min-width: 920px) {
  .page-faq .faq-hero__layout {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
    gap: 44px;
  }

  .page-faq .faq-hero__media {
    margin-top: 0;
  }

  .page-faq .faq-body {
    padding: 68px 0 92px;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-side {
    grid-template-columns: 1fr;
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-category {
    padding-right: 14px;
  }

  .page-faq .faq-category__number {
    font-size: 78px;
  }
}