/* ========== 帮助中心页面专属样式 ========== */
.page-faq {
  --faq-snow: #FDF6E3;
  --faq-glacier: #5B8FB9;
  --faq-ink: #2E2A24;
  --faq-flame: #D35400;
  --faq-rio: #A63A2B;
  --faq-gold: #D4A017;
  --faq-sand: #E8E0D5;
  --faq-night: #1A2E3F;
  --faq-mono: "Roboto Mono", "Courier New", monospace;
  background: var(--faq-snow);
  color: var(--faq-ink);
}

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

/* ========== 顶部横幅 ========== */
.page-faq .faq-hero {
  position: relative;
  background: var(--faq-night);
  color: var(--faq-snow);
  overflow: hidden;
  padding: 32px 0 56px;
}

.page-faq .faq-hero__pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(135deg, transparent 0%, transparent 40%, rgba(91, 143, 185, 0.18) 40%, rgba(91, 143, 185, 0.18) 42%, transparent 42%, transparent 100%),
    linear-gradient(45deg, transparent 0%, transparent 65%, rgba(212, 160, 23, 0.12) 65%, rgba(212, 160, 23, 0.12) 68%, transparent 68%, transparent 100%),
    repeating-linear-gradient(90deg, rgba(253, 246, 227, 0.04) 0px, rgba(253, 246, 227, 0.04) 1px, transparent 1px, transparent 48px);
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumb__list {
  margin: 0 0 36px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-hero .breadcrumb__link {
  color: rgba(253, 246, 227, 0.65);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.page-faq .faq-hero .breadcrumb__link:hover {
  color: var(--faq-gold);
}

.page-faq .faq-hero .breadcrumb__item--current {
  color: rgba(253, 246, 227, 0.45);
  font-size: 14px;
}

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

.page-faq .faq-hero__index {
  font-family: var(--faq-mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--faq-gold);
  margin: 0 0 12px;
}

.page-faq .faq-hero__title {
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 28px;
  font-weight: 900;
  line-height: 1.25;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__lead {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(253, 246, 227, 0.78);
  margin: 0 0 28px;
  max-width: 640px;
}

.page-faq .faq-hero__search {
  position: relative;
  max-width: 520px;
}

.page-faq .faq-hero__search-input {
  width: 100%;
  padding: 14px 48px 14px 18px;
  border: 2px solid rgba(253, 246, 227, 0.25);
  border-radius: 0;
  background: rgba(253, 246, 227, 0.08);
  color: var(--faq-snow);
  font-family: "Open Sans", "Noto Sans SC", sans-serif;
  font-size: 15px;
  transition: border-color 0.2s, background 0.2s;
  box-sizing: border-box;
}

.page-faq .faq-hero__search-input::placeholder {
  color: rgba(253, 246, 227, 0.4);
}

.page-faq .faq-hero__search-input:focus {
  outline: none;
  border-color: var(--faq-glacier);
  background: rgba(253, 246, 227, 0.12);
}

.page-faq .faq-hero__search-icon {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(253, 246, 227, 0.55);
  pointer-events: none;
  display: flex;
}

.page-faq .faq-hero__aside {
  display: none;
}

/* ========== 双栏布局 / 索引栏 目录 ========== */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding-top: 40px;
  padding-bottom: 64px;
}

.page-faq .faq-index {
  position: relative;
}

.page-faq .faq-index__inner {
  position: sticky;
  top: 24px;
  background: var(--faq-sand);
  border: 2px solid var(--faq-ink);
  box-shadow: 6px 6px 0 rgba(46, 42, 36, 0.12);
  padding: 24px 20px;
}

.page-faq .faq-index__label {
  font-family: var(--faq-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--faq-flame);
  margin: 0 0 20px;
  font-weight: 700;
}

.page-faq .faq-index__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: block;
  padding: 12px 8px;
  color: var(--faq-ink);
  text-decoration: none;
  font-family: var(--faq-mono);
  font-size: 14px;
  border-left: 3px solid transparent;
  transition: background 0.2s, border-color 0.2s;
  font-weight: 700;
}

.page-faq .faq-index__link:hover {
  background: rgba(91, 143, 185, 0.12);
  border-left-color: var(--faq-glacier);
}

.page-faq .faq-index__card {
  margin-top: 28px;
  background: var(--faq-night);
  color: var(--faq-snow);
  padding: 18px;
  border: 2px solid var(--faq-ink);
}

.page-faq .faq-index__card-title {
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 8px;
}

.page-faq .faq-index__card-text {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(253, 246, 227, 0.7);
  margin: 0 0 16px;
}

.page-faq .faq-index__card-btn {
  width: 100%;
  justify-content: center;
}

/* ========== 右侧内容区 公共 ========== */
.page-faq .faq-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 72px;
}

.page-faq .faq-section {
  scroll-margin-top: 24px;
}

.page-faq .faq-section__header {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 3px solid var(--faq-ink);
}

.page-faq .faq-section__num {
  font-family: var(--faq-mono);
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  color: var(--faq-flame);
  letter-spacing: -0.04em;
  flex-shrink: 0;
  transform: translateY(4px);
}

.page-faq .faq-section__title {
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 24px;
  font-weight: 900;
  margin: 0 0 6px;
  line-height: 1.3;
  color: var(--faq-ink);
}

.page-faq .faq-section__subtitle {
  font-size: 14px;
  color: #6b6259;
  margin: 0;
  line-height: 1.5;
}

/* ========== 常见问题分类卡片 ========== */
.page-faq .faq-cats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-cat-card {
  background: var(--faq-snow);
  border: 2px solid var(--faq-ink);
  box-shadow: 5px 5px 0 rgba(46, 42, 36, 0.08);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.page-faq .faq-cat-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(46, 42, 36, 0.14);
}

.page-faq .faq-cat-card__icon {
  display: inline-flex;
  color: var(--faq-glacier);
  margin-bottom: 6px;
}

.page-faq .faq-cat-card__title {
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  font-weight: 700;
  margin: 0;
  color: var(--faq-ink);
}

.page-faq .faq-cat-card__desc {
  font-size: 14px;
  line-height: 1.5;
  color: #6b6259;
  margin: 0 0 8px;
}

.page-faq .faq-cat-card__link {
  font-family: var(--faq-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--faq-rio);
  text-decoration: none;
  transition: color 0.2s;
}

.page-faq .faq-cat-card__link:hover {
  color: var(--faq-flame);
}

/* ========== 站内索引使用指南 ========== */
.page-faq .guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-faq .guide-visual {
  position: relative;
  border: 2px solid var(--faq-ink);
  box-shadow: 8px 8px 0 rgba(46, 42, 36, 0.12);
  background: var(--faq-night);
}

.page-faq .guide-visual__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .guide-visual__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--faq-gold);
  color: var(--faq-ink);
  font-family: var(--faq-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 10px;
  border: 2px solid var(--faq-ink);
}

.page-faq .guide-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-faq .guide-step {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(46, 42, 36, 0.12);
}

.page-faq .guide-step:first-child {
  padding-top: 0;
}

.page-faq .guide-step:last-child {
  border-bottom: none;
}

.page-faq .guide-step__num {
  font-family: var(--faq-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--faq-snow);
  background: var(--faq-glacier);
  border: 2px solid var(--faq-ink);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transform: rotate(-4deg);
}

.page-faq .guide-step__body {
  flex: 1;
}

.page-faq .guide-step__title {
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--faq-ink);
}

.page-faq .guide-step__text {
  font-size: 14px;
  line-height: 1.65;
  color: #57524a;
  margin: 0;
}

/* ========== 手风琴 ========== */
.page-faq .faq-accordion {
  border-top: 2px solid var(--faq-ink);
}

.page-faq .faq-item {
  border-bottom: 2px solid var(--faq-ink);
  background: var(--faq-snow);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 12px;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s;
  user-select: none;
}

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

.page-faq .faq-item__summary:hover {
  background: rgba(91, 143, 185, 0.07);
}

.page-faq .faq-item__q {
  font-family: var(--faq-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--faq-flame);
  background: rgba(211, 84, 0, 0.08);
  border: 1.5px solid var(--faq-flame);
  padding: 3px 7px;
  flex-shrink: 0;
}

.page-faq .faq-item__question {
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--faq-ink);
  flex: 1;
  line-height: 1.4;
}

.page-faq .faq-item__icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--faq-ink);
  transition: transform 0.25s ease;
}

.page-faq .faq-item__icon::before {
  width: 18px;
  height: 2px;
  top: 8px;
  left: 0;
}

.page-faq .faq-item__icon::after {
  width: 2px;
  height: 18px;
  left: 8px;
  top: 0;
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: scaleY(0);
}

.page-faq .faq-item__answer {
  padding: 0 12px 20px 46px;
  font-size: 15px;
  line-height: 1.7;
  color: #57524a;
}

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

/* ========== 数据更新说明面板 ========== */
.page-faq .data-panel {
  border: 2px solid var(--faq-ink);
  background: var(--faq-night);
  color: var(--faq-snow);
  padding: 24px 20px;
  margin-bottom: 24px;
}

.page-faq .data-panel__intro {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(253, 246, 227, 0.85);
  margin-bottom: 24px;
}

.page-faq .data-panel__intro p {
  margin: 0;
}

.page-faq .data-schedule {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 24px;
}

.page-faq .data-schedule__block {
  background: rgba(253, 246, 227, 0.06);
  border-left: 4px solid var(--faq-gold);
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.page-faq .data-schedule__time {
  font-family: var(--faq-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--faq-gold);
  letter-spacing: 0.04em;
}

.page-faq .data-schedule__label {
  font-size: 14px;
  color: rgba(253, 246, 227, 0.72);
}

.page-faq .data-note {
  background: rgba(91, 143, 185, 0.12);
  border: 1px solid rgba(91, 143, 185, 0.45);
  padding: 16px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(253, 246, 227, 0.85);
}

.page-faq .data-note p {
  margin: 0;
}

/* ========== 底部求助区 ========== */
.page-faq .faq-help {
  background: var(--faq-gold);
  border: 2px solid var(--faq-ink);
  box-shadow: 8px 8px 0 rgba(46, 42, 36, 0.14);
  padding: 28px 20px;
}

.page-faq .faq-help__inner {
  max-width: 760px;
}

.page-faq .faq-help__title {
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 22px;
  font-weight: 900;
  margin: 0 0 12px;
  color: var(--faq-ink);
  line-height: 1.3;
}

.page-faq .faq-help__text {
  font-size: 15px;
  line-height: 1.7;
  color: #403b34;
  margin: 0 0 20px;
}

.page-faq .faq-help__text a {
  color: var(--faq-rio);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ========== 响应式断点 ========== */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 40px 0 64px;
  }

  .page-faq .faq-hero__title {
    font-size: 38px;
  }

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

  .page-faq .faq-hero__grid {
    grid-template-columns: 2fr 1fr;
    align-items: center;
    gap: 40px;
  }

  .page-faq .faq-hero__aside {
    display: block;
    position: relative;
  }

  .page-faq .faq-hero__img {
    display: block;
    width: 100%;
    height: auto;
    max-width: 300px;
    border: 2px solid rgba(253, 246, 227, 0.3);
    box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.15);
    margin-left: auto;
  }

  .page-faq .faq-hero__note {
    position: absolute;
    right: -12px;
    bottom: -12px;
    background: var(--faq-flame);
    color: var(--faq-snow);
    border: 2px solid var(--faq-ink);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.2);
  }

  .page-faq .faq-hero__note-num {
    font-family: var(--faq-mono);
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
  }

  .page-faq .faq-hero__note-text {
    font-size: 13px;
    font-weight: 700;
  }

  .page-faq .faq-layout {
    grid-template-columns: 260px 1fr;
    gap: 40px;
    padding-top: 48px;
    align-items: start;
  }

  .page-faq .faq-cats {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-section__title {
    font-size: 28px;
  }

  .page-faq .faq-section__num {
    font-size: 44px;
  }

  .page-faq .data-schedule {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__title {
    font-size: 44px;
    max-width: 640px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 280px 1fr;
    gap: 56px;
  }

  .page-faq .guide-grid {
    grid-template-columns: 1.25fr 1fr;
    gap: 32px;
    align-items: center;
  }

  .page-faq .faq-cats {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .page-faq .data-schedule {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-help {
    padding: 36px 32px;
  }
}