.page-faq {
  --faq-gap: clamp(20px, 3.2vw, 36px);
  --faq-pad: clamp(16px, 2.6vw, 24px);
  --faq-card-shadow: 0 16px 30px -26px rgba(36, 26, 20, 0.95);
}

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

/* 首屏 */
.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: center;
}

.page-faq .faq-hero-copy .display-title {
  margin: 6px 0 14px;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 16px;
}

.page-faq .faq-hero-copy .meta-mono {
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.8;
  word-break: break-word;
}

.page-faq .faq-hero-figure {
  margin: 0;
  border: 2px solid var(--ink);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--paper-2);
  box-shadow: var(--faq-card-shadow);
}

.page-faq .faq-hero-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* 快速排查台印章标签 */
.page-faq .seal-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: var(--faq-gap);
}

.page-faq .seal-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--faq-pad);
  background: var(--paper);
  border: 1.5px solid var(--brick);
  border-radius: var(--radius-l);
  color: var(--brown);
  text-decoration: none;
  box-shadow: var(--shadow-plate);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-faq .seal-card:hover,
.page-faq .seal-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--ink);
  box-shadow: 0 20px 34px -26px rgba(36, 26, 20, 1);
}

.page-faq .seal-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--brick);
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .seal-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(16px, 2.1vw, 19px);
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .seal-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-faq .seal-go {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--brick);
}

/* 问答区布局 */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  margin-top: var(--faq-gap);
}

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

.page-faq .faq-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

/* 筛选条 */
.page-faq .faq-filter {
  display: grid;
  gap: 10px;
  padding: 14px;
  margin-bottom: 16px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
}

.page-faq .faq-filter .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-filter .filter-btn {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.4;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(36, 26, 20, 0.26);
  background: var(--paper);
  color: var(--brown);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-faq .faq-filter .filter-btn[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  box-shadow: inset 0 0 0 1px rgba(47, 211, 181, 0.55);
}

.page-faq .filter-status {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

/* 折叠问答 */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-plate);
  overflow: hidden;
  transition: border-color 0.2s var(--ease);
}

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

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-q {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.55;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-mark {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--amber);
  border-radius: 50%;
  transition: transform 0.25s var(--ease);
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  background: var(--amber);
}

.page-faq .faq-mark::before {
  left: 4px;
  right: 4px;
  top: 50%;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-faq .faq-mark::after {
  top: 4px;
  bottom: 4px;
  left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
}

.page-faq .faq-item[open] .faq-mark {
  transform: rotate(45deg);
}

.page-faq .faq-a {
  padding: 0 18px 18px;
}

.page-faq .faq-a > p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--brown);
}

.page-faq .faq-a > p:first-child {
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

/* 步骤编号列表 */
.page-faq .step-list {
  counter-reset: faqstep;
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .step-list > li {
  position: relative;
  padding-left: 34px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--brown);
}

.page-faq .step-list > li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  padding: 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 17px;
  color: var(--amber);
  border: 1px solid var(--amber);
  border-radius: var(--radius-s);
}

/* 勾选式清单 */
.page-faq .check-list {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .check-list > li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--brown);
}

.page-faq .check-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 9px;
  height: 9px;
  background: var(--mint);
  border-radius: 2px;
  box-shadow: 0 0 0 2px rgba(18, 53, 46, 0.14);
}

/* 联系卡 */
.page-faq .faq-contact-card {
  padding: var(--faq-pad);
  background-color: var(--ink);
  background-image: radial-gradient(rgba(243, 233, 210, 0.09) 1px, transparent 1px);
  background-size: 8px 8px;
  border: 1px solid rgba(243, 233, 210, 0.2);
  border-radius: var(--radius-l);
  color: var(--paper);
  box-shadow: var(--faq-card-shadow);
}

.page-faq .faq-contact-title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.45;
  color: var(--paper);
}

.page-faq .faq-contact-card p {
  margin: 0 0 10px;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(243, 233, 210, 0.84);
}

.page-faq .faq-contact-line {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mint);
  word-break: break-all;
}

.page-faq .faq-contact-card .btn {
  margin-top: 8px;
}

/* 旁注快速跳转 */
.page-faq .faq-mini-nav {
  padding: var(--faq-pad);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
}

.page-faq .faq-mini-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

.page-faq .faq-mini-nav ul {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-mini-nav a {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-mini-nav a:hover,
.page-faq .faq-mini-nav a:focus-visible {
  color: var(--ink-deep);
  border-bottom-color: var(--mint);
}

/* 下载与校验 */
.page-faq .download-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: start;
  margin-top: var(--faq-gap);
}

.page-faq .download-fields {
  min-width: 0;
}

.page-faq .field-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .field-row:first-child {
  border-top: 1px dashed var(--line);
}

.page-faq .field-k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--brick);
}

.page-faq .field-v {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--brown);
}

.page-faq .download-figure {
  margin: 0;
  border: 2px solid var(--ink);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--paper-2);
  box-shadow: var(--faq-card-shadow);
}

.page-faq .download-figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-faq .download-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--amber);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 深色使用记录区 */
.page-faq .section--dark {
  background: var(--ink);
  color: var(--paper);
}

.page-faq .section--dark .section-title {
  color: var(--paper);
}

.page-faq .section--dark .lede {
  color: rgba(243, 233, 210, 0.84);
}

.page-faq .section--dark .eyebrow {
  color: var(--mint);
}

.page-faq .usage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: var(--faq-gap);
}

.page-faq .usage-card {
  border-top: 3px solid var(--mint);
}

.page-faq .usage-card h3 {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
}

/* 记录卡（开服表 / 库清单 / 使用记录共用） */
.page-faq .record-card {
  padding: var(--faq-pad);
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--amber);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-plate);
}

.page-faq .record-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .record-card > p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-faq .records-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: var(--faq-gap);
}

.page-faq .records-grid .record-card:nth-child(2) {
  border-top-color: var(--brick);
}

.page-faq .cat-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

.page-faq .cat-list li {
  padding: 4px 11px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--glass);
  border: 1px solid rgba(18, 53, 46, 0.18);
  border-radius: 999px;
}

.page-faq .record-tip {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* 联系前准备 */
.page-faq .contact-prep-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .contact-prep-copy .step-list {
  margin-bottom: 20px;
}

.page-faq .contact-prep-copy .btn {
  margin-top: 4px;
}

/* 响应式 */
@media (min-width: 600px) {
  .page-faq .seal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .field-row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }

  .page-faq .download-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

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

  .page-faq .contact-prep-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 296px);
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 24px;
  }
}

@media (min-width: 1040px) {
  .page-faq .seal-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .seal-card,
  .page-faq .faq-item,
  .page-faq .faq-mark,
  .page-faq .filter-btn {
    transition: none;
  }

  .page-faq .seal-card:hover,
  .page-faq .seal-card:focus-visible {
    transform: none;
  }
}
<<<END>>>