.page-faq {
  --faq-line: rgba(245, 239, 225, .14);
  --faq-line-strong: rgba(245, 239, 225, .28);
  --faq-soft: rgba(157, 181, 170, .95);
  position: relative;
  overflow-x: clip;
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(30px, 5vw, 56px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -160px;
  right: -180px;
  width: min(72vw, 620px);
  height: min(72vw, 620px);
  background:
    radial-gradient(circle at 50% 50%, rgba(34, 230, 211, .18), rgba(108, 92, 231, .10) 46%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

.page-faq .faq-hero .crumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 7.4vw, 76px);
  line-height: .98;
  letter-spacing: -.03em;
  color: var(--paper);
}

.page-faq .faq-hero .lede {
  max-width: 54ch;
  margin: 0;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--faq-soft);
}

.page-faq .faq-search {
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--faq-line-strong);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-faq .faq-search-label {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-search-input {
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--paper);
  background: rgba(8, 28, 23, .72);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
}

.page-faq .faq-search-input::placeholder {
  color: rgba(157, 181, 170, .68);
}

.page-faq .faq-search-input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-color: var(--cyan);
}

.page-faq .faq-search-hint {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-hero-media {
  margin: clamp(26px, 4vw, 42px) 0 0;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* ---------- 数据条 ---------- */
.page-faq .faq-stat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(22px, 3.6vw, 34px);
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(14px, 2vw, 20px);
  background: var(--ink-2);
}

.page-faq .faq-stat-value {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.2vw, 30px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-faq .faq-stat:nth-child(2) .faq-stat-value,
.page-faq .faq-stat:nth-child(4) .faq-stat-value {
  color: var(--orange);
}

.page-faq .faq-stat-label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 分类跳转 ---------- */
.page-faq .faq-jump {
  margin: clamp(30px, 5vw, 52px) 0 0;
}

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

.page-faq .faq-jump-list a {
  display: inline-block;
  padding: 8px 14px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.page-faq .faq-jump-list a:hover,
.page-faq .faq-jump-list a:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  position: relative;
  margin-top: clamp(44px, 7vw, 84px);
  padding-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(42px, 7vw, 76px);
  line-height: .82;
  letter-spacing: -.04em;
  color: rgba(34, 230, 211, .22);
}

@supports (-webkit-text-stroke: 1px #000) {
  .page-faq .faq-num {
    color: transparent;
    -webkit-text-stroke: 1px rgba(34, 230, 211, .62);
  }
}

.page-faq .faq-section-head .chapter-title {
  margin: 6px 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-section-head .chapter-lede {
  max-width: 62ch;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--faq-soft);
}

/* ---------- 热门问题卡片 ---------- */
.page-faq .faq-hot-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-hot-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink-3);
  transition: background .25s ease, box-shadow .25s ease;
}

.page-faq .faq-hot-card:hover {
  background: var(--ink-2);
  box-shadow: inset 0 0 0 1px rgba(34, 230, 211, .35);
}

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

.page-faq .faq-hot-q {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.42;
  color: var(--paper);
}

.page-faq .faq-hot-a {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--faq-soft);
}

.page-faq .faq-hot-link {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 2px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 230, 211, .4);
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .faq-hot-link:hover,
.page-faq .faq-hot-link:focus-visible {
  color: var(--orange);
  border-bottom-color: rgba(255, 107, 26, .5);
}

/* ---------- 手风琴 ---------- */
.page-faq .accordion {
  display: block;
}

.page-faq .accordion-item {
  border-top: 1px solid var(--faq-line);
}

.page-faq .accordion-item:last-child {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .accordion-trigger {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: clamp(16px, 2vw, 22px) 0;
  background: transparent;
  border: 0;
  color: var(--paper);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.45;
  letter-spacing: -.01em;
  text-align: left;
  cursor: pointer;
  transition: color .2s ease;
}

.page-faq .accordion-trigger:hover,
.page-faq .accordion-trigger:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-q-index {
  flex: 0 0 auto;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-faq .accordion-icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-left: auto;
  margin-top: 6px;
  color: var(--muted);
}

.page-faq .accordion-icon::before,
.page-faq .accordion-icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background: currentColor;
  transform: translateY(-50%);
}

.page-faq .accordion-icon::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform .25s ease;
}

.page-faq .accordion-trigger[aria-expanded="true"] .accordion-icon::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .accordion-panel {
  padding: 0 0 clamp(18px, 2.4vw, 24px);
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--faq-soft);
}

.page-faq .accordion-panel p {
  margin: 0 0 8px;
}

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

.page-faq .accordion-panel a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 230, 211, .4);
}

.page-faq .accordion-panel a:hover {
  color: var(--orange);
  border-bottom-color: rgba(255, 107, 26, .5);
}

/* ---------- 数据对照双栏 ---------- */
.page-faq .faq-data-media {
  margin: 0 0 clamp(22px, 3vw, 30px);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-data-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support-card {
  padding: clamp(24px, 3.4vw, 40px);
  background: var(--paper);
  color: var(--brown);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius);
}

.page-faq .faq-support-card h3 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -.02em;
  color: var(--brown);
}

.page-faq .faq-support-list {
  display: grid;
  gap: 12px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-support-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(33, 26, 21, .82);
}

.page-faq .faq-support-card .btn {
  display: inline-block;
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .accordion-panel {
    padding-left: 36px;
  }

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

@media (min-width: 760px) {
  .page-faq .faq-stat-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-faq .faq-section-head {
    grid-template-columns: minmax(104px, 148px) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-num {
    font-size: clamp(54px, 6vw, 78px);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(300px, .6fr);
    gap: clamp(32px, 6vw, 88px);
    align-items: end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-data-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    gap: clamp(28px, 4vw, 60px);
    align-items: start;
  }

  .page-faq .faq-data-media {
    margin-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hot-card,
  .page-faq .faq-jump-list a,
  .page-faq .accordion-trigger,
  .page-faq .accordion-icon::after,
  .page-faq .faq-hot-link {
    transition-duration: .01ms;
  }
}