.page-faq {
  --faq-panel: rgba(30, 58, 79, 0.55);
  --faq-panel-soft: rgba(30, 58, 79, 0.32);
  color: var(--snow);
  padding-bottom: clamp(40px, 7vw, 80px);
}

.page-faq .breadcrumb {
  padding-top: clamp(14px, 2.5vw, 22px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(16px, 3.5vw, 30px) 0 clamp(22px, 4vw, 38px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 100% at 4% 0%, rgba(242, 107, 42, 0.2), transparent 58%),
    radial-gradient(90% 90% at 96% 4%, rgba(255, 176, 32, 0.1), transparent 62%);
  pointer-events: none;
}

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

.page-faq .faq-eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-title {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(29px, 6.4vw, 56px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.01em;
  transform: skewX(-3deg);
  transform-origin: left bottom;
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: clamp(14.5px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--on-dark-soft);
}

/* ---------- 分组索引卡 ---------- */
.page-faq .faq-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: clamp(22px, 4vw, 34px);
}

.page-faq .faq-index__link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px 15px;
  text-decoration: none;
  color: var(--snow);
  background: var(--faq-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-sm);
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(242, 107, 42, 0.14);
  border-color: rgba(242, 107, 42, 0.5);
  transform: translateX(2px);
  outline: none;
}

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  color: var(--amber);
}

.page-faq .faq-index__label {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-faq .faq-index__desc {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 过滤条 ---------- */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
}

.page-faq .faq-filter .index-label {
  margin-right: 4px;
}

.page-faq .faq-filter .filter-btn {
  padding: 7px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--on-dark-soft);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-filter .filter-btn:hover {
  border-color: var(--amber);
  color: var(--snow);
}

.page-faq .faq-filter .filter-btn[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
  padding-top: clamp(24px, 4vw, 40px);
}

.page-faq .faq-side__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-side__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-side__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 12px;
  white-space: nowrap;
  text-decoration: none;
  font-size: 13px;
  color: var(--on-dark-soft);
  background: var(--faq-panel-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  color: var(--amber);
  border-color: rgba(255, 176, 32, 0.55);
  outline: none;
}

.page-faq .faq-side__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group,
.page-faq .faq-support {
  scroll-margin-top: 96px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 5vw, 52px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 27px);
  font-weight: 800;
  letter-spacing: 0.01em;
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--amber);
}

.page-faq .faq-group__intro {
  margin: 12px 0 4px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--on-dark-soft);
}

/* ---------- 媒体 ---------- */
.page-faq .faq-media {
  margin: 16px 0 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--glass);
}

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

.page-faq .faq-media__cap {
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

/* ---------- 状态图例 ---------- */
.page-faq .faq-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 2px;
}

.page-faq .faq-legend__item {
  position: relative;
  display: inline-flex;
  cursor: help;
}

.page-faq .faq-legend .status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--on-dark-soft);
  background: var(--faq-panel-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.page-faq .faq-legend .status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: none;
}

.page-faq .faq-legend .status--active .status-dot {
  background: var(--green);
}

.page-faq .faq-legend .status--pending .status-dot {
  background: var(--amber);
}

.page-faq .faq-legend .status--expired .status-dot {
  background: var(--mist);
}

.page-faq .faq-legend__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 8px);
  z-index: 5;
  width: 208px;
  padding: 8px 10px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--charcoal);
  background: var(--snow);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-glass);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}

.page-faq .faq-legend__item:hover .faq-legend__tip,
.page-faq .faq-legend__item:focus .faq-legend__tip,
.page-faq .faq-legend__item:focus-within .faq-legend__tip {
  opacity: 1;
  visibility: visible;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-faq .faq-item__no {
  flex: none;
  min-width: 24px;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--orange);
}

.page-faq .faq-item__q {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.65;
  transition: color 0.18s ease;
}

.page-faq .faq-item__summary:hover .faq-item__q {
  color: var(--amber-soft);
}

.page-faq .faq-item__chev {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-right: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
  transform: rotate(45deg);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-item[open] .faq-item__chev {
  transform: rotate(-135deg);
  border-color: var(--amber);
}

.page-faq .faq-item__a {
  padding: 0 0 18px 36px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--on-dark-soft);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item__a a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 176, 32, 0.45);
  margin-right: 14px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--snow);
  border-bottom-color: var(--snow);
  outline: none;
}

/* ---------- 客服区 ---------- */
.page-faq .faq-support {
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(20px, 3.5vw, 34px);
  background:
    linear-gradient(135deg, rgba(30, 58, 79, 0.9), rgba(11, 27, 43, 0.92));
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius);
}

.page-faq .faq-support__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  letter-spacing: 0.01em;
}

.page-faq .faq-support__text {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--on-dark-soft);
}

.page-faq .faq-support__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-support__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 14px;
  background: rgba(11, 27, 43, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.page-faq .faq-support__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-support__v {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--snow);
  word-break: break-word;
}

.page-faq .faq-support__cta {
  margin-top: 18px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-support__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-title {
    max-width: 22ch;
  }

  .page-faq .faq-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-body {
    grid-template-columns: 208px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-side__list {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-faq .faq-side__link {
    border-color: transparent;
    background: transparent;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 8px 10px 8px 12px;
  }

  .page-faq .faq-side__link:hover,
  .page-faq .faq-side__link:focus-visible {
    border-left-color: var(--orange);
  }

  .page-faq .faq-support__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-item__q {
    font-size: 15.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-item__chev,
  .page-faq .faq-legend__tip {
    transition: none;
  }

  .page-faq .faq-title {
    transform: none;
  }
}