.page-faq {
  --faq-pad: clamp(18px, 4.5vw, 56px);
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(18px, 3vw, 34px) clamp(34px, 5.5vw, 64px);
  isolation: isolate;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(35, 68, 58, 0.6) 79px 80px),
    repeating-linear-gradient(0deg, transparent 0 79px, rgba(35, 68, 58, 0.32) 79px 80px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), transparent 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), transparent 82%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  margin-top: clamp(20px, 3.5vw, 38px);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.6vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 12px 0 0;
}

.page-faq .faq-hero__lede {
  max-width: 50ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.7;
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04);
}

.page-faq .faq-hero__cap {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  background: rgba(7, 18, 14, 0.82);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--yellow);
}

/* ---------- 主体两栏 ---------- */

.page-faq .faq-body {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding-block: clamp(28px, 4.5vw, 56px) clamp(48px, 7vw, 96px);
}

.page-faq .faq-toc {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-2);
}

.page-faq .faq-toc__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .faq-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
}

.page-faq .faq-toc a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 8px;
  border-radius: 10px;
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.3;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-toc a span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  flex: none;
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  background: rgba(61, 217, 235, 0.12);
  color: var(--cyan);
}

.page-faq .faq-toc a:hover span,
.page-faq .faq-toc a:focus-visible span {
  color: var(--yellow);
}

.page-faq .faq-toc__top {
  display: inline-block;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  width: 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-decoration: none;
}

.page-faq .faq-toc__top:hover {
  color: var(--cyan);
}

/* ---------- 分组 ---------- */

.page-faq .faq-articles {
  min-width: 0;
}

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

.page-faq .faq-group + .faq-group {
  margin-top: clamp(44px, 6vw, 80px);
}

.page-faq .faq-group__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 10px;
}

.page-faq .faq-group__num {
  flex: none;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--yellow);
  line-height: 1.5;
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.2vw, 36px);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-faq .faq-group__head p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

/* ---------- 手风琴 ---------- */

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

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 6px 18px 0;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  transition: color 0.18s var(--ease);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary::after {
  content: "";
  flex: none;
  margin-left: auto;
  margin-top: 7px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .faq-item[open] > summary {
  color: var(--yellow);
}

.page-faq .faq-item[open] > summary::after {
  transform: rotate(-135deg);
  border-color: var(--yellow);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 8px;
}

.page-faq .faq-item__body {
  margin: 0 0 20px;
  padding: 16px 18px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: linear-gradient(180deg, var(--ink-2), rgba(18, 42, 32, 0.55));
  color: #dbe4dc;
  font-size: 15px;
  line-height: 1.72;
}

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

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

.page-faq .faq-item__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__body a:hover {
  color: var(--yellow);
}

.page-faq .faq-ol {
  margin: 0 0 12px;
  padding-left: 20px;
  display: grid;
  gap: 6px;
}

.page-faq .faq-steps {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 6px 0 12px;
}

/* ---------- 字段表 ---------- */

.page-faq .faq-fields-wrap {
  margin: 18px 0 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-2);
  overflow-x: auto;
}

.page-faq .faq-fields {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-fields__cap {
  padding: 14px 16px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-faq .faq-fields th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-faq .faq-fields td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.6;
}

.page-faq .faq-fields tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-fields td:first-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--yellow);
  white-space: nowrap;
}

/* ---------- 设备图 ---------- */

.page-faq .faq-device__media {
  margin: 20px 0 10px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-faq .faq-device__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  filter: saturate(0.85);
}

.page-faq .faq-device__media figcaption {
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */

.page-faq .faq-help {
  margin-top: clamp(44px, 6vw, 80px);
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background:
    linear-gradient(-4deg, rgba(255, 212, 0, 0.08), transparent 60%),
    var(--ink-2);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-help::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--yellow);
}

.page-faq .faq-help h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-faq .faq-help p {
  margin: 12px 0 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 桌面 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 100px;
  }

  .page-faq .faq-toc ol {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-toc a {
    font-size: 14px;
    padding: 10px 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item > summary::after,
  .page-faq .faq-toc a {
    transition: none;
  }
}
<<<END>>>