/* ===== 帮助中心 FAQ 页面专属 CSS ===== */
.page-faq {
  --faq-line: rgba(255, 255, 255, .08);
  --faq-card-border: rgba(224, 224, 224, .16);
  background:
    linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px),
    var(--color-black);
  background-size: 44px 44px;
  color: var(--color-gray);
  padding-bottom: 56px;
}

/* ===== Hero 区域 ===== */
.page-faq .faq-hero {
  position: relative;
  padding: 40px 20px 64px;
  overflow: hidden;
  border-bottom: 2px solid var(--color-red);
  background:
    linear-gradient(120deg, rgba(26, 35, 126, .72) 0%, rgba(18, 18, 18, .9) 55%, rgba(229, 57, 53, .28) 100%),
    var(--color-black);
}

.page-faq .faq-hero::after {
  content: '';
  position: absolute;
  right: -8%;
  bottom: 26px;
  width: 58%;
  height: 26px;
  background: linear-gradient(90deg, var(--color-red) 0 64%, var(--color-yellow) 64% 100%);
  transform: skewX(-18deg);
  opacity: .9;
  z-index: 0;
}

.page-faq .faq-hero__figure {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  opacity: .18;
}

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

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
}

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

.page-faq .faq-hero__label {
  margin-bottom: 4px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-heading);
  font-size: 42px;
  line-height: 1.1;
  color: var(--color-white);
  margin: 0 0 12px;
  letter-spacing: .01em;
}

.page-faq .faq-hero__subtitle {
  max-width: 620px;
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-gray);
}

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

/* ===== 共享类页面级微调 ===== */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-gray);
}

.page-faq .breadcrumb__link {
  color: var(--color-white);
  text-decoration: none;
  transition: color var(--transition);
}

.page-faq .breadcrumb__link:hover,
.page-faq .breadcrumb__link:focus-visible {
  color: var(--color-yellow);
}

.page-faq .breadcrumb__sep {
  color: var(--color-red);
}

.page-faq .breadcrumb__current {
  color: var(--color-yellow);
}

.page-faq .section__label {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-green);
}

.page-faq .tag {
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(26, 35, 126, .7);
  border: 1px solid rgba(255, 255, 255, .16);
  color: var(--color-white);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

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

/* ===== 主布局 ===== */
.page-faq .faq-layout {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 32px 20px 0;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* ===== 左侧锚点导航 ===== */
.page-faq .faq-nav {
  flex-shrink: 0;
  background: linear-gradient(160deg, rgba(26, 35, 126, .9) 0%, rgba(18, 18, 18, .95) 100%);
  border: 1px solid var(--faq-card-border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.page-faq .faq-nav__figure {
  margin: 0 0 18px;
  border-radius: 10px;
  overflow: hidden;
}

.page-faq .faq-nav__figure img {
  display: block;
  width: 100%;
  height: 120px;
  object-fit: cover;
}

.page-faq .faq-nav__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--color-red) transparent;
}

.page-faq .faq-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  color: var(--color-gray);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.page-faq .faq-nav__link:hover,
.page-faq .faq-nav__link:focus-visible {
  background: var(--color-red);
  border-color: var(--color-red);
  color: var(--color-white);
}

.page-faq .faq-nav__dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-white);
  opacity: .35;
  transition: background var(--transition), opacity var(--transition), transform var(--transition);
}

.page-faq .faq-nav__link:hover .faq-nav__dot,
.page-faq .faq-nav__link:focus-visible .faq-nav__dot {
  background: var(--color-yellow);
  opacity: 1;
  transform: scale(1.2);
}

.page-faq .faq-nav__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line);
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-gray);
}

.page-faq .faq-nav__status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 0 4px rgba(67, 160, 71, .2);
  animation: faq-pulse 2s infinite;
}

@keyframes faq-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .45; }
}

/* ===== 右侧内容区 ===== */
.page-faq .faq-content {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-section {
  position: relative;
  margin-bottom: 40px;
  padding: 26px 18px;
  background: rgba(18, 18, 18, .72);
  border: 1px solid var(--faq-card-border);
  border-radius: var(--radius);
  scroll-margin-top: 100px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.page-faq .faq-section:target {
  border-color: var(--color-yellow);
  box-shadow: 0 0 0 3px rgba(255, 235, 59, .12);
}

.page-faq .faq-section__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-section__head-info {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-section__index {
  font-family: var(--font-data);
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  color: var(--color-red);
  opacity: .7;
}

.page-faq .faq-section__title {
  font-family: var(--font-heading);
  font-size: 30px;
  line-height: 1.1;
  color: var(--color-white);
  margin: 0;
}

.page-faq .badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  font-family: var(--font-data);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-white);
  background: rgba(255, 255, 255, .1);
  white-space: nowrap;
}

.page-faq .badge--green {
  background: var(--color-green);
}

.page-faq .badge--red {
  background: var(--color-deepred);
}

.page-faq .faq-section__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ===== 折叠面板 ===== */
.page-faq .faq-item {
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(26, 35, 126, .85) 0%, rgba(26, 35, 126, .45) 100%);
  overflow: hidden;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.page-faq .faq-item[open] {
  background: linear-gradient(135deg, var(--color-deepred) 0%, rgba(183, 28, 28, .82) 100%);
  border-color: rgba(229, 57, 53, .62);
  box-shadow: var(--shadow);
}

.page-faq .faq-item__q {
  position: relative;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 46px 18px 18px;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 17px;
  line-height: 1.35;
  cursor: pointer;
  user-select: none;
}

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

.page-faq .faq-item__q::after {
  content: '+';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-red);
  color: var(--color-white);
  font-family: var(--font-data);
  font-size: 20px;
  font-weight: 700;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.page-faq .faq-item[open] .faq-item__q::after {
  transform: translateY(-50%) rotate(135deg);
  background: var(--color-yellow);
  color: var(--color-black);
}

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

.page-faq .faq-item[open] .faq-item__a-wrap {
  grid-template-rows: 1fr;
}

.page-faq .faq-item__a {
  overflow: hidden;
  min-height: 0;
}

.page-faq .faq-item__answer-text {
  margin: 0;
  padding: 2px 18px 18px;
  color: var(--color-gray);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-item__answer-text a {
  color: var(--color-yellow);
  font-weight: 700;
  text-decoration: none;
}

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

/* ===== 客服联系条带 ===== */
.page-faq .faq-contact-strip {
  display: grid;
  gap: 14px;
  margin-bottom: 20px;
}

.page-faq .faq-contact-strip__item {
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .06);
  border-left: 4px solid var(--color-yellow);
}

.page-faq .faq-contact-strip__item:last-child {
  border-left-color: var(--color-green);
}

.page-faq .faq-contact-strip__label {
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--color-green);
  margin-bottom: 6px;
}

.page-faq .faq-contact-strip__value {
  display: block;
  font-family: var(--font-data);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-white);
  word-break: break-all;
  margin-bottom: 6px;
}

.page-faq .faq-contact-strip__note {
  display: block;
  font-size: 12px;
  color: var(--color-gray);
}

/* ===== 更多链接提示 ===== */
.page-faq .faq-more-note {
  margin: 24px 0 0;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .04);
  border: 1px dashed var(--faq-line);
  color: var(--color-gray);
  font-size: 14px;
  line-height: 1.6;
}

.page-faq .faq-more-note a {
  color: var(--color-yellow);
  font-weight: 700;
  text-decoration: none;
}

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

/* ===== 桌面端增强 ===== */
@media (min-width: 700px) {
  .page-faq .faq-contact-strip {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    flex-direction: row;
    align-items: flex-start;
    padding: 48px 24px 0;
    gap: 44px;
  }

  .page-faq .faq-nav {
    position: sticky;
    top: 110px;
    width: 280px;
  }

  .page-faq .faq-nav__figure img {
    height: 280px;
  }

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

  .page-faq .faq-nav__link {
    display: flex;
    white-space: normal;
    border-radius: 10px;
    margin-bottom: 6px;
  }

  .page-faq .faq-section {
    padding: 32px 28px;
  }

  .page-faq .faq-hero {
    padding: 56px 24px 72px;
  }

  .page-faq .faq-hero__title {
    font-size: 56px;
  }

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