.page-faq {
  --faq-gold: var(--color-gold);
  --faq-red: var(--color-red);
  --faq-panel: var(--color-panel);
  --faq-line: var(--color-line);
  --faq-bg: var(--color-bg);
  --faq-ease: var(--ease);
}

/* ===== Hero ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 30px 0 12px;
}
.page-faq .faq-hero__deco {
  position: absolute;
  top: -34px;
  right: -8px;
  z-index: 0;
  font-family: var(--font-mono);
  font-weight: 200;
  font-size: clamp(6rem, 16vw, 12rem);
  line-height: 1;
  letter-spacing: -0.06em;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-line);
  user-select: none;
  pointer-events: none;
}
.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 22px;
  align-items: center;
}
.page-faq .faq-hero__content {
  min-width: 0;
}
.page-faq .faq-hero__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-muted);
}
.page-faq .faq-hero__breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--duration) var(--faq-ease), border-color var(--duration) var(--faq-ease);
}
.page-faq .faq-hero__breadcrumb a:hover {
  color: var(--color-gold);
  border-color: var(--color-gold);
}
.page-faq .faq-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--color-text);
}
.page-faq .faq-hero__lead {
  max-width: 640px;
  margin: 0 0 18px;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-muted);
}
.page-faq .faq-hero__lead strong {
  color: var(--color-gold);
  font-weight: 600;
}
.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-hero__stats li {
  padding: 7px 12px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-gold);
  font-size: 0.85rem;
  color: var(--color-muted);
}
.page-faq .faq-hero__image {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: 440px;
  height: auto;
  justify-self: center;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  clip-path: polygon(0 0, 100% 0, 100% 80%, 6% 100%);
}

/* ===== 搜索与标签 ===== */
.page-faq .faq-tools {
  padding-top: 24px;
}
.page-faq .faq-tools__outer {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-left: 4px solid var(--color-gold);
  padding: 16px 18px;
}
.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 12px;
}
.page-faq .faq-search__icon {
  position: relative;
  flex: none;
  width: 15px;
  height: 15px;
  border: 2px solid var(--color-muted);
  border-radius: 50%;
}
.page-faq .faq-search__icon::after {
  content: "";
  position: absolute;
  right: -6px;
  bottom: -4px;
  width: 7px;
  height: 2px;
  background: var(--color-muted);
  border-radius: 2px;
  transform: rotate(45deg);
}
.page-faq .faq-search input[type="search"] {
  flex: 1;
  min-width: 0;
  padding: 6px 0;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  -webkit-appearance: none;
  appearance: none;
}
.page-faq .faq-search input[type="search"]::placeholder {
  color: var(--color-muted);
}
.page-faq .faq-search kbd {
  flex: none;
  padding: 2px 8px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-bottom-width: 2px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-gold);
}
.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.page-faq .faq-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 0.85rem;
  text-decoration: none;
  transition: background var(--duration) var(--faq-ease), border-color var(--duration) var(--faq-ease), color var(--duration) var(--faq-ease);
}
.page-faq .faq-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: currentColor;
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.page-faq .faq-tag:hover,
.page-faq .faq-tag:focus-visible {
  color: var(--color-gold);
  border-color: var(--color-gold);
}
.page-faq .faq-tag.is-active {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-bg);
  font-weight: 600;
}

/* ===== 布局 ===== */
.page-faq .faq-layout {
  display: grid;
  gap: 28px;
  align-items: start;
  padding-top: 32px;
  padding-bottom: 56px;
}
.page-faq .faq-list {
  scroll-margin-top: calc(var(--header-h) + 20px);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ===== 分组 ===== */
.page-faq .faq-group {
  position: relative;
  padding: 20px 16px 8px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-left: 6px solid var(--color-gold);
  scroll-margin-top: calc(var(--header-h) + 20px);
}
.page-faq .faq-group--red {
  border-left-color: var(--color-red);
}
.page-faq .faq-group__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.page-faq .faq-group__num {
  flex: none;
  min-width: 60px;
  padding: 8px 10px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  font-family: var(--font-mono);
  font-weight: 200;
  font-size: 1.9rem;
  line-height: 1;
  text-align: center;
  color: var(--color-gold);
}
.page-faq .faq-group--red .faq-group__num {
  color: var(--color-red);
}
.page-faq .faq-group__title {
  min-width: 0;
}
.page-faq .faq-group__title h2 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
}
.page-faq .faq-group__title p {
  margin: 3px 0 0;
  font-size: 0.82rem;
  color: var(--color-muted);
}
.page-faq .faq-group__badge {
  margin-left: auto;
  flex: none;
  padding: 4px 8px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--color-gold);
}
.page-faq .faq-group--red .faq-group__badge {
  color: var(--color-red);
}
.page-faq .faq-group__image {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  margin: 4px auto 18px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  clip-path: polygon(0 0, 100% 0, 100% 85%, 4% 100%);
}

/* ===== 手风琴条目 ===== */
.page-faq .faq-item {
  border-top: 1px solid var(--color-line);
}
.page-faq .faq-item:first-of-type {
  border-top: 0;
}
.page-faq .faq-item__question {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 2px;
  background: transparent;
  border: 0;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  text-align: left;
  transition: background var(--duration) var(--faq-ease);
}
.page-faq .faq-item__question::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__question::before {
  content: "";
  flex: none;
  width: 4px;
  height: 24px;
  background: var(--color-gold);
  clip-path: polygon(0 0, 100% 0, 80% 100%, 0 100%);
}
.page-faq .faq-group--red .faq-item__question::before {
  background: var(--color-red);
}
.page-faq .faq-item__question h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  transition: color var(--duration) var(--faq-ease);
}
.page-faq .faq-item__question:hover h3,
.page-faq .faq-item__question:focus-visible h3 {
  color: var(--color-gold);
}
.page-faq .faq-item__icon {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-left: auto;
  border: 1px solid var(--color-line);
  color: var(--color-gold);
  transition: background var(--duration) var(--faq-ease), border-color var(--duration) var(--faq-ease);
}
.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
}
.page-faq .faq-item__icon::before {
  width: 9px;
  height: 2px;
  transform: translate(-50%, -50%);
}
.page-faq .faq-item__icon::after {
  width: 2px;
  height: 9px;
  transform: translate(-50%, -50%);
}
.page-faq .faq-item[open] .faq-item__icon {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-bg);
}
.page-faq .faq-item[open] .faq-item__icon::after {
  display: none;
}
.page-faq .faq-item__answer {
  padding: 0 2px 18px 18px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--color-muted);
}
.page-faq .faq-item__answer p {
  margin: 0 0 12px;
}
.page-faq .faq-item__answer .btn {
  display: inline-flex;
  align-items: center;
  margin-top: 2px;
}

/* ===== 侧边栏 ===== */
.page-faq .faq-aside {
  position: relative;
}
.page-faq .faq-aside__card {
  position: relative;
  padding: 22px 18px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-top: 4px solid var(--color-gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}
.page-faq .faq-aside__kicker {
  display: inline-block;
  padding: 4px 10px;
  background: var(--color-red);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--color-text);
}
.page-faq .faq-aside__card h2 {
  margin: 14px 0 8px;
  font-size: 1.3rem;
  color: var(--color-text);
}
.page-faq .faq-aside__card > p {
  margin: 0 0 16px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--color-muted);
}
.page-faq .faq-aside__meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 16px;
  margin: 0 0 18px;
  padding: 14px 0;
  border-top: 1px dashed var(--color-line);
  border-bottom: 1px dashed var(--color-line);
  font-size: 0.88rem;
}
.page-faq .faq-aside__meta dt {
  color: var(--color-muted);
}
.page-faq .faq-aside__meta dd {
  margin: 0;
  text-align: right;
  color: var(--color-text);
  word-break: break-all;
}
.page-faq .faq-aside__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--color-line);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--color-muted);
}

/* ===== 桌面端 ===== */
@media (min-width: 860px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 36px;
  }
  .page-faq .faq-hero__image {
    max-width: 520px;
    justify-self: end;
  }
  .page-faq .faq-tools__outer {
    display: flex;
    align-items: center;
    gap: 24px;
  }
  .page-faq .faq-tools__outer .faq-search {
    flex: 1;
    min-width: 0;
  }
  .page-faq .faq-tools__outer .faq-tags {
    flex: none;
    flex-wrap: nowrap;
    margin-top: 0;
  }
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 36px;
  }
  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
  .page-faq .faq-group {
    padding-left: 22px;
    padding-right: 22px;
  }
}