/* ====================== 页面：帮助中心 /faq/ ====================== */
.page-faq {
  background: var(--paper);
  color: var(--ink);
}

/* --- 面包屑 --- */
.page-faq .breadcrumbs {
  padding-top: 24px;
  font-size: 14px;
  color: var(--silver);
}
.page-faq .breadcrumbs a {
  color: var(--purple);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-faq .breadcrumbs a:hover {
  color: var(--orange);
}

/* --- 页面头 --- */
.page-faq .page-head {
  position: relative;
  padding: 32px 0 24px;
  margin-bottom: 20px;
}
.page-faq .page-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--purple) 0%, var(--gold) 55%, transparent 100%);
}
.page-faq .page-head__kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 10px;
}
.page-faq .page-head__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5vw, 60px);
  line-height: 1.08;
  color: var(--purple);
  margin: 0 0 14px;
}
.page-faq .page-head__desc {
  max-width: 760px;
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
  color: var(--ink);
}

/* --- 分类标签导航 --- */
.page-faq .faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 18px 0 30px;
}
.page-faq .faq-tabs__link {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--purple);
  color: var(--purple);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  background: transparent;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  transition: background 0.25s ease, color 0.25s ease;
}
.page-faq .faq-tabs__link:hover,
.page-faq .faq-tabs__link:focus {
  background: var(--purple);
  color: var(--gold-light);
}

/* --- 两栏布局：默认移动端单栏 --- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-bottom: 64px;
}

/* --- 侧边栏 --- */
.page-faq .faq-sidebar {
  background: var(--purple);
  color: var(--white);
  position: relative;
}
.page-faq .faq-sidebar::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 48px solid var(--orange);
  border-left: 48px solid transparent;
}
.page-faq .faq-sidebar__inner {
  padding: 28px 22px 24px;
}
.page-faq .faq-sidebar__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 6px;
}
.page-faq .faq-sidebar__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 26px;
  margin: 0 0 8px;
  color: var(--gold-light);
}
.page-faq .faq-sidebar__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--silver);
  margin: 0 0 20px;
}

/* --- 侧边栏索引 --- */
.page-faq .faq-index {
  display: grid;
  gap: 16px;
}
.page-faq .faq-index__group {
  display: grid;
  gap: 4px;
}
.page-faq .faq-index__group-title {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--orange);
  text-decoration: none;
  margin: 0 0 2px;
  border-bottom: 1px solid rgba(201, 169, 97, 0.45);
  padding-bottom: 4px;
  transition: color 0.2s ease;
}
.page-faq .faq-index__group-title:hover {
  color: var(--gold-light);
}
.page-faq .faq-index__link {
  display: block;
  font-size: 13px;
  line-height: 1.55;
  color: var(--white);
  text-decoration: none;
  padding: 5px 10px;
  border-left: 2px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.page-faq .faq-index__link:hover {
  border-left-color: var(--gold);
  background: rgba(201, 169, 97, 0.12);
  color: var(--gold-light);
}

/* --- 侧边栏图片 --- */
.page-faq .faq-sidebar__figure {
  margin: 24px 0 0;
}
.page-faq .faq-sidebar__figure img {
  display: block;
  width: 100%;
  height: auto;
}
.page-faq .faq-sidebar__figure figcaption {
  font-size: 12px;
  color: var(--silver);
  padding-top: 8px;
  line-height: 1.5;
}

/* --- 侧边栏CTA --- */
.page-faq .faq-sidebar__cta {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.page-faq .faq-sidebar__cta-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  margin: 0 0 6px;
  color: var(--gold-light);
}
.page-faq .faq-sidebar__cta-text {
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
  margin: 0 0 14px;
}

/* --- 右侧主内容 --- */
.page-faq .faq-main {
  min-width: 0;
}
.page-faq .faq-main__intro {
  font-size: 14px;
  border-left: 3px solid var(--gold);
  padding: 6px 0 6px 14px;
  margin-bottom: 28px;
  background: rgba(201, 169, 97, 0.08);
  color: var(--ink);
}

/* --- 问答章节 --- */
.page-faq .faq-section {
  margin-bottom: 44px;
  scroll-margin-top: 20px;
}
.page-faq .faq-section__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--purple);
  padding-bottom: 10px;
}
.page-faq .faq-section__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 32px;
  line-height: 1;
  color: var(--gold);
}
.page-faq .faq-section__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  color: var(--purple);
  margin: 0;
}

/* --- 问答条目卡片 --- */
.page-faq .faq-item {
  background: var(--white);
  border-top: 2px solid var(--gold);
  border-left: 1px solid rgba(26, 26, 26, 0.08);
  border-right: 1px solid rgba(26, 26, 26, 0.08);
  border-bottom: 1px solid rgba(26, 26, 26, 0.08);
  padding: 20px 22px 22px;
  margin-bottom: 14px;
  scroll-margin-top: 20px;
  box-shadow: 0 1px 4px rgba(26, 26, 26, 0.05);
  transition: box-shadow 0.25s ease;
}
.page-faq .faq-item:hover {
  box-shadow: 0 4px 14px rgba(43, 27, 77, 0.1);
}
.page-faq .faq-item__question {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.45;
  margin: 0 0 10px;
  color: var(--ink);
}
.page-faq .faq-item__answer {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
  border-top: 1px dashed rgba(26, 26, 26, 0.14);
  padding-top: 12px;
}
.page-faq .faq-item__answer p {
  margin: 0 0 8px;
}
.page-faq .faq-item__answer p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__answer a {
  color: var(--purple);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}
.page-faq .faq-item__answer a:hover {
  color: var(--orange);
}

/* --- 步骤列表 --- */
.page-faq .faq-steps {
  list-style: none;
  margin: 8px 0 4px;
  padding: 0;
  counter-reset: faq-step;
}
.page-faq .faq-steps li {
  counter-increment: faq-step;
  position: relative;
  padding-left: 34px;
  margin-bottom: 8px;
  font-weight: 500;
}
.page-faq .faq-steps li::before {
  content: counter(faq-step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 24px;
  height: 24px;
  background: var(--purple);
  color: var(--gold-light);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- 答案内图片 --- */
.page-faq .faq-item__figure {
  margin: 18px 0 4px;
}
.page-faq .faq-item__figure img {
  display: block;
  max-width: 100%;
  height: auto;
}
.page-faq .faq-item__figure figcaption {
  font-size: 12px;
  color: var(--silver);
  padding-top: 6px;
}

/* --- 底部CTA --- */
.page-faq .faq-cta {
  background: var(--purple);
  color: var(--white);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  margin-top: 48px;
}
.page-faq .faq-cta::after {
  content: "?";
  position: absolute;
  right: -20px;
  bottom: -60px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 180px;
  line-height: 1;
  color: rgba(201, 169, 97, 0.16);
  pointer-events: none;
}
.page-faq .faq-cta__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  color: var(--gold-light);
  margin: 0 0 8px;
  position: relative;
}
.page-faq .faq-cta__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver);
  margin: 0 0 18px;
  max-width: 480px;
  position: relative;
}
.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
}
.page-faq .faq-cta .btn--ghost:hover {
  background: var(--gold);
  color: var(--purple);
}

/* --- 桌面端：两栏展开 --- */
@media (min-width: 992px) {
  .page-faq .page-head {
    padding: 44px 0 30px;
  }
  .page-faq .faq-layout {
    grid-template-columns: 340px 1fr;
    gap: 48px;
    align-items: start;
  }
  .page-faq .faq-sidebar__inner {
    position: sticky;
    top: 24px;
  }
}