.page-faq {
  padding-inline: var(--gutter);
  padding-bottom: clamp(56px, 8vw, 96px);
  background: var(--ink);
  color: var(--platinum);
  font-family: var(--font-body);
}

.page-faq .breadcrumbs {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-faq .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--gold);
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 12px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  max-width: var(--max-w);
  margin-inline: auto;
  padding: clamp(28px, 5vw, 56px) 0 clamp(30px, 4vw, 48px);
  border-bottom: 1px solid var(--gold-line);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 72px);
  line-height: 1.02;
  letter-spacing: -.03em;
  margin: 0 0 20px;
  color: var(--platinum);
}

.page-faq .faq-hero h1::after {
  content: "";
  display: block;
  width: 72px;
  height: 6px;
  margin-top: 22px;
  background: var(--lava);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-faq .lede {
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--mist);
  margin: 0 0 26px;
}

.page-faq .faq-jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 30px;
  padding: 0;
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--gold-line);
  background: var(--ink-2);
  color: var(--platinum);
  font-size: 13px;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  transition: border-color 220ms var(--ease), color 220ms var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--jade);
  color: var(--jade-soft);
}

.page-faq .faq-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--gold-line);
  border: 1px solid var(--gold-line);
  margin: 0;
}

.page-faq .faq-metrics__cell {
  background: var(--ink-2);
  padding: 16px 18px;
}

.page-faq .faq-metrics dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 8px;
}

.page-faq .faq-metrics dd {
  margin: 0;
  font-size: 14px;
  color: var(--platinum);
}

.page-faq .faq-metrics .num {
  font-family: var(--font-mono);
  font-size: 26px;
  color: var(--gold);
  margin-right: 4px;
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-block {
  max-width: var(--max-w);
  margin-inline: auto;
  padding: clamp(36px, 6vw, 68px) 0;
  border-bottom: 1px solid var(--ink-3);
}

.page-faq .faq-block__head {
  max-width: 68ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-faq .faq-block__head h2 {
  position: relative;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.14;
  letter-spacing: -.02em;
  margin: 0 0 16px;
  color: var(--platinum);
}

.page-faq .faq-block__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-block__head a,
.page-faq .faq-note a,
.page-faq .faq-item__body a {
  color: var(--jade-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-anchor {
  display: inline-block;
  margin-left: 10px;
  font-size: 14px;
  color: var(--gold);
  text-decoration: none;
  vertical-align: middle;
  opacity: .6;
}

.page-faq .faq-anchor:hover,
.page-faq .faq-anchor:focus-visible {
  opacity: 1;
  color: var(--lava);
}

/* ---------- 配置索引 ---------- */
.page-faq .faq-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

.page-faq .faq-figure {
  margin: 0;
  border: 2px solid var(--ink-3);
  background: var(--ink-2);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-figure__cap {
  margin: 0;
  padding: 12px 14px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid var(--ink-3);
}

.page-faq .faq-figure--wide {
  max-width: 720px;
  margin-bottom: clamp(22px, 3vw, 32px);
}

/* 筛选器 */
.page-faq .faq-filter {
  border: 1px solid var(--gold-line);
  border-left: 4px solid var(--jade);
  background: var(--ink-2);
  padding: 16px 16px 14px;
  margin-bottom: 16px;
}

.page-faq .faq-filter__group {
  border: 0;
  margin: 0 0 14px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-filter__group legend {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
  padding: 0;
  margin-bottom: 8px;
  width: 100%;
}

.page-faq .faq-chip {
  position: relative;
  display: inline-flex;
}

.page-faq .faq-chip input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  margin: 0;
  cursor: pointer;
}

.page-faq .faq-chip span {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid var(--ink-3);
  background: var(--ink);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  transition: border-color 180ms var(--ease), color 180ms var(--ease), background 180ms var(--ease);
}

.page-faq .faq-chip input:checked + span {
  border-color: var(--jade);
  color: var(--ink);
  background: var(--jade);
  font-weight: 700;
}

.page-faq .faq-chip input:focus-visible + span {
  outline: 2px solid var(--lava);
  outline-offset: 2px;
}

.page-faq .faq-filter__hint {
  margin: 4px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* 表格 */
.page-faq .faq-table-wrap {
  border: 1px solid var(--gold-line);
  background: var(--ink-2);
  overflow-x: auto;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 13px;
}

.page-faq .faq-table__cap {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--gold);
  border-bottom: 1px solid var(--gold-line);
}

.page-faq .faq-table thead th {
  background: var(--ink-3);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--gold-line);
  white-space: nowrap;
}

.page-faq .faq-table tbody th,
.page-faq .faq-table tbody td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--ink-3);
  color: var(--platinum);
  white-space: nowrap;
}

.page-faq .faq-table tbody th {
  font-weight: 600;
  color: var(--mist);
  box-shadow: inset 0 0 0 0 var(--jade);
}

.page-faq .faq-table tbody td:nth-child(2),
.page-faq .faq-table tbody td:nth-child(3) {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

.page-faq .faq-table tbody tr:nth-child(even) {
  background: var(--ink-3);
}

.page-faq .faq-tag {
  display: inline-block;
  padding: 3px 9px;
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: .04em;
  border: 1px solid currentColor;
}

.page-faq .faq-tag--high {
  color: var(--jade-soft);
}

.page-faq .faq-tag--ok {
  color: var(--gold);
}

.page-faq .faq-tag--base {
  color: var(--mist);
}

/* 筛选联动：:has 不支持时所有行照常展示 */
.page-faq .faq-index__main:has(#gpu-gtx16:checked) .faq-table tbody tr[data-gpu]:not([data-gpu="gtx16"]),
.page-faq .faq-index__main:has(#gpu-rtx30:checked) .faq-table tbody tr[data-gpu]:not([data-gpu="rtx30"]),
.page-faq .faq-index__main:has(#gpu-rtx40:checked) .faq-table tbody tr[data-gpu]:not([data-gpu="rtx40"]),
.page-faq .faq-index__main:has(#mem-16:checked) .faq-table tbody tr[data-mem]:not([data-mem="16"]),
.page-faq .faq-index__main:has(#mem-32:checked) .faq-table tbody tr[data-mem]:not([data-mem="32"]) {
  display: none;
}

.page-faq .faq-index__main:has(#gpu-gtx16:checked) .faq-table tbody tr[data-gpu="gtx16"],
.page-faq .faq-index__main:has(#gpu-rtx30:checked) .faq-table tbody tr[data-gpu="rtx30"],
.page-faq .faq-index__main:has(#gpu-rtx40:checked) .faq-table tbody tr[data-gpu="rtx40"] {
  box-shadow: inset 3px 0 0 var(--jade);
}

.page-faq .faq-index__main:has(#mem-16:checked) .faq-table tbody tr[data-mem="16"] th,
.page-faq .faq-index__main:has(#mem-32:checked) .faq-table tbody tr[data-mem="32"] th {
  color: var(--jade-soft);
}

.page-faq .faq-note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-qa {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  position: relative;
  border: 1px solid var(--ink-3);
  border-left: 6px solid var(--gold);
  background: var(--ink-2);
  transition: border-color 220ms var(--ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--lava);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 800;
  line-height: 1.5;
  color: var(--platinum);
}

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

.page-faq .faq-item summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--gold);
  flex: 0 0 auto;
}

.page-faq .faq-item[open] summary::after {
  content: "－";
  color: var(--lava);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: -2px;
}

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  opacity: .8;
  flex: 0 0 auto;
}

.page-faq .faq-item__body {
  padding: 0 18px 18px 30px;
  border-top: 1px solid var(--ink-3);
  margin-top: 2px;
}

.page-faq .faq-item__body p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 联系收束 ---------- */
.page-faq .faq-block--contact {
  border-bottom: 0;
}

.page-faq .faq-contact {
  position: relative;
  border: 2px solid var(--gold-line);
  border-top: 8px solid var(--lava);
  background:
    linear-gradient(180deg, rgba(212, 160, 23, .1), transparent 52%),
    var(--ink-2);
  padding: clamp(24px, 4vw, 44px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-faq .faq-contact h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.14;
  letter-spacing: -.02em;
  margin: 0 0 16px;
}

.page-faq .faq-contact__lede {
  max-width: 62ch;
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--gold-line);
  border: 1px solid var(--gold-line);
}

.page-faq .faq-contact__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 12px 16px;
  background: var(--ink);
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
  min-width: 76px;
}

.page-faq .faq-contact__val {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
  word-break: break-all;
}

.page-faq .faq-contact__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-index {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }

  .page-faq .faq-index__aside {
    order: 2;
    position: sticky;
    top: calc(var(--topbar-h) + 20px);
  }

  .page-faq .faq-index__main {
    order: 1;
    min-width: 0;
  }

  .page-faq .faq-table-wrap {
    overflow: visible;
  }

  .page-faq .faq-table thead th {
    position: sticky;
    top: var(--topbar-h);
    z-index: 2;
  }

  .page-faq .faq-item__body {
    padding-left: 42px;
    padding-right: 28px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-block--split .faq-qa {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-block--split .faq-qa .faq-item:first-child {
    grid-column: 1 / -1;
  }
}

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