.page-faq {
  --faq-surface: var(--ink-700);
  --faq-line: rgba(217, 212, 196, .16);
  --faq-line-strong: rgba(217, 212, 196, .32);
  --faq-muted: rgba(217, 212, 196, .78);
  position: relative;
  padding-bottom: 96px;
  color: var(--warm);
}

@media (min-width: 1240px) {
  .page-faq::before,
  .page-faq::after {
    content: "";
    position: absolute;
    top: 120px;
    bottom: 120px;
    width: 1px;
    background: repeating-linear-gradient(to bottom, var(--faq-line-strong) 0 6px, transparent 6px 14px);
    pointer-events: none;
  }
  .page-faq::before { left: 22px; }
  .page-faq::after { right: 22px; }
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 32px 0 52px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -80px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle at 34% 34%, rgba(200, 240, 42, .16), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(280px, 48%);
  height: 3px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--lime), rgba(200, 240, 42, 0));
}

.page-faq .faq-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq .faq-hero h1 {
  max-width: 20em;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(30px, 6.2vw, 64px);
  line-height: 1.08;
  letter-spacing: .005em;
  color: var(--warm);
}

.page-faq .faq-lede {
  max-width: 40em;
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--faq-muted);
}

/* ---------- 顶部图 ---------- */

.page-faq .faq-answers {
  padding-top: 8px;
}

.page-faq .faq-banner {
  margin: 0 0 28px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--faq-surface);
  border: 1px solid var(--faq-line);
}

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

/* ---------- 分类筛选 ---------- */

.page-faq .filter-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0 0 48px;
}

@media (min-width: 620px) {
  .page-faq .filter-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-faq .filter-bar {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.page-faq .faq-filter {
  appearance: none;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 16px 16px 14px;
  text-align: left;
  font: inherit;
  color: var(--warm);
  background: var(--faq-surface);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color 200ms var(--ease-out), border-color 200ms var(--ease-out), transform 200ms var(--ease-out);
}

.page-faq .faq-filter:hover {
  border-color: var(--faq-line-strong);
  transform: translateY(-2px);
}

.page-faq .faq-filter:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-faq .faq-filter[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  transform: none;
}

.page-faq .faq-filter__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cream);
}

.page-faq .faq-filter__title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
}

.page-faq .faq-filter__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--lime);
}

.page-faq .faq-filter[aria-pressed="true"] .faq-filter__index,
.page-faq .faq-filter[aria-pressed="true"] .faq-filter__title,
.page-faq .faq-filter[aria-pressed="true"] .faq-filter__count {
  color: var(--ink-900);
}

.page-faq .empty-hint {
  margin: 0 0 40px;
  padding: 20px 22px;
  border: 1px dashed var(--faq-line-strong);
  border-radius: var(--radius-md);
  color: var(--faq-muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .empty-hint .btn {
  margin-left: 10px;
}

/* ---------- 问题分组 ---------- */

.page-faq .faq-groups {
  display: grid;
  gap: 64px;
}

@media (min-width: 900px) {
  .page-faq .faq-groups {
    gap: 88px;
  }
}

.page-faq .faq-group {
  counter-reset: faq-item;
  scroll-margin-top: 96px;
}

.page-faq .faq-group__head {
  display: grid;
  gap: 10px;
  margin-bottom: 6px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--faq-line-strong);
}

@media (min-width: 820px) {
  .page-faq .faq-group__head {
    grid-template-columns: 104px minmax(0, 1fr);
    grid-template-areas:
      "index title"
      "index note";
    gap: 6px 24px;
    align-items: start;
  }
  .page-faq .faq-group__index { grid-area: index; margin-top: 8px; }
  .page-faq .faq-group__title { grid-area: title; }
  .page-faq .faq-group__note { grid-area: note; }
}

.page-faq .faq-group__index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--lime);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.18;
  color: var(--warm);
}

.page-faq .faq-group__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--faq-muted);
}

/* ---------- 手风琴条目 ---------- */

.page-faq .faq-item {
  position: relative;
  padding-left: 20px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  border-radius: var(--radius-pill);
  background: var(--lime);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 200ms var(--ease-out);
}

.page-faq .faq-item[open]::before {
  transform: scaleY(1);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--warm);
}

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

.page-faq .faq-item__q:hover {
  color: var(--lime);
}

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--cream);
  transition: color 200ms var(--ease-out);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--lime);
}

.page-faq .faq-item__marker {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--lime);
}

.page-faq .faq-item__marker::before {
  counter-increment: faq-item;
  content: counter(faq-item, decimal-leading-zero);
}

.page-faq .faq-item__a {
  max-width: 46em;
  padding: 0 0 24px 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--faq-muted);
}

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

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-reveal 200ms var(--ease-out) both;
}

@keyframes faq-reveal {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }
  .page-faq .faq-item::before,
  .page-faq .faq-filter {
    transition: none;
  }
}

.page-faq .faq-item__a .text-link {
  color: var(--lime);
}

/* ---------- 操作步骤 ---------- */

.page-faq .faq-steps {
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 12px;
  margin: 4px 0 0;
  padding: 0;
}

.page-faq .faq-steps > li {
  position: relative;
  padding-left: 34px;
}

.page-faq .faq-steps > li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--lime);
}

.page-faq .faq-steps > li::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 20px;
  bottom: -12px;
  width: 1px;
  background: var(--faq-line);
}

.page-faq .faq-steps > li:last-child::after {
  display: none;
}

/* ---------- 配图 ---------- */

.page-faq .faq-diagram {
  margin: 28px 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--faq-surface);
  border: 1px solid var(--faq-line);
}

/* ---------- 结尾反馈 ---------- */

.page-faq .faq-escalate {
  position: relative;
  margin-top: 84px;
  padding: clamp(28px, 5vw, 52px);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--ink-700) 0%, var(--ink-900) 78%);
  border: 1px solid var(--faq-line);
  overflow: hidden;
}

.page-faq .faq-escalate::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle at 78% 22%, rgba(200, 240, 42, .14), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-escalate__title {
  position: relative;
  max-width: 22em;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.16;
  color: var(--warm);
}

.page-faq .faq-escalate__text {
  position: relative;
  max-width: 42em;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--faq-muted);
}

.page-faq .faq-contact {
  position: relative;
  margin: 30px 0 0;
  padding: 4px 0;
  border-top: 1px solid var(--faq-line);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-contact .data-list__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-contact .data-list__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-contact .data-list__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lime);
}

.page-faq .faq-contact .data-list__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--warm);
  word-break: break-word;
}

.page-faq .faq-escalate__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

@media (min-width: 720px) {
  .page-faq .faq-contact .data-list__row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
}
<<<END>>>