.page-faq {
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  background: var(--deep);
  color: var(--paper);
  border-bottom: 1px solid var(--line-dark);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-dark) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  padding-block: clamp(20px, 4vw, 40px) clamp(30px, 6vw, 64px);
}

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

.page-faq .faq-crumbs .crumbs__link,
.page-faq .faq-crumbs .crumbs__item,
.page-faq .faq-crumbs .crumbs__sep {
  color: rgba(242, 240, 230, 0.6);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-faq .faq-crumbs .crumbs__link:hover {
  color: var(--signal);
}

.page-faq .faq-crumbs .crumbs__item {
  color: rgba(242, 240, 230, 0.88);
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 10px;
  color: var(--signal);
  letter-spacing: 0.1em;
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(28px, 5.6vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__title::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  margin-top: 18px;
  background: var(--signal);
}

.page-faq .faq-hero__lede {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  max-width: 62ch;
  color: rgba(242, 240, 230, 0.82);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  padding: 5px 12px;
  border: 1px solid var(--line-dark);
  border-radius: var(--r);
  color: rgba(242, 240, 230, 0.84);
}

/* ---------- 主栅格 ---------- */

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
  padding-block: clamp(26px, 5vw, 52px) clamp(48px, 8vw, 96px);
}

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

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }
}

/* ---------- 章节目录 ---------- */

.page-faq .faq-toc .toc__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--rock);
}

.page-faq .faq-toc .toc__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 1000px) {
  .page-faq .faq-toc .toc__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
}

.page-faq .faq-toc .toc__link {
  display: block;
  padding: 6px 10px;
  border-left: 2px solid var(--line-light);
  color: var(--rock);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-faq .faq-toc .toc__link:hover {
  border-left-color: var(--moss);
  color: var(--ink);
}

.page-faq .faq-toc .toc__link[aria-current="true"] {
  border-left-color: var(--signal);
  background: rgba(182, 255, 60, 0.14);
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 区块骨架 ---------- */

.page-faq .faq-block {
  padding-block: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--line-light);
}

.page-faq .faq-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 12px;
  align-items: center;
  margin-bottom: clamp(16px, 2.6vw, 24px);
}

.page-faq .faq-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--signal);
  background: var(--deep);
  border-radius: var(--r);
  padding: 3px 7px;
}

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(21px, 3.1vw, 29px);
  line-height: 1.24;
}

.page-faq .faq-block__note {
  grid-column: 1 / -1;
  margin: 0;
  max-width: 64ch;
  color: var(--rock);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-block .prose p {
  max-width: 68ch;
}

/* ---------- 快速上手 ---------- */

.page-faq .faq-paths {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-light);
  border: 1px solid var(--line-light);
  border-radius: var(--r);
  overflow: hidden;
}

@media (min-width: 760px) {
  .page-faq .faq-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .faq-path {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--card);
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .faq-path:hover {
  background: #FFFFFF;
  box-shadow: inset 0 0 0 1px var(--moss);
}

.page-faq .faq-path__num {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--moss);
  border: 1px solid var(--line-light);
  border-radius: var(--r);
  padding: 2px 6px;
}

.page-faq .faq-path__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-path__text {
  margin: 0;
  color: var(--rock);
  font-size: 15px;
  line-height: 1.72;
}

.page-faq .faq-path .link-more {
  margin-top: auto;
  padding-top: 4px;
  font-size: 14px;
}

/* ---------- 图形 ---------- */

.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 30px) 0;
  border: 1px solid var(--line-light);
  border-radius: var(--r);
  background: var(--card);
  overflow: hidden;
}

.page-faq .faq-figure .media__frame {
  display: block;
  border: 0;
}

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

.page-faq .faq-figure .media__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line-light);
  color: var(--rock);
  font-size: 13px;
  letter-spacing: 0.03em;
  line-height: 1.6;
}

/* ---------- 状态表 ---------- */

.page-faq .faq-states {
  margin-top: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line-light);
  border-radius: var(--r);
  background: var(--card);
}

.page-faq .faq-states .data-table {
  width: 100%;
  border-collapse: collapse;
}

.page-faq .faq-states .data-table caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  color: var(--rock);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-faq .faq-states .data-table th,
.page-faq .faq-states .data-table td {
  padding: 12px 14px;
  border-top: 1px solid var(--line-light);
  text-align: left;
  vertical-align: top;
  font-size: 15px;
  line-height: 1.68;
}

.page-faq .faq-states .data-table thead th {
  background: var(--moss);
  color: var(--paper);
  border-top: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.page-faq .faq-states .data-table tbody tr:nth-child(even) {
  background: rgba(58, 65, 69, 0.035);
}

.page-faq .faq-states .mono {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink);
}

/* ---------- 索引路径示例 ---------- */

.page-faq .faq-demo {
  display: grid;
  gap: 12px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 760px) {
  .page-faq .faq-demo {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-demo__item {
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line-light);
  border-top: 3px solid var(--moss);
  border-radius: var(--r);
}

.page-faq .faq-demo__label {
  margin: 0 0 12px;
  color: var(--rock);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-faq .faq-chain {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chain__node {
  position: relative;
  margin-left: 5px;
  padding: 7px 0 7px 22px;
  border-left: 1px solid var(--line-light);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.65;
}

.page-faq .faq-chain__node::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 15px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--moss);
  border-radius: 50%;
  background: var(--card);
}

.page-faq .faq-chain__idx {
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--moss);
}

.page-faq .faq-chain__node a {
  color: var(--steel);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .faq-chain__node a:hover {
  color: var(--deep);
}

/* ---------- 问答面板 ---------- */

.page-faq .faq-panel {
  margin-bottom: 10px;
  border: 1px solid var(--line-light);
  border-radius: var(--r);
  background: var(--card);
  overflow: hidden;
}

.page-faq .faq-panel__h {
  margin: 0;
}

.page-faq .faq-panel .panel__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 18px;
  border: 0;
  border-left: 3px solid transparent;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: background 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-faq .faq-panel .panel__head:hover {
  background: var(--paper);
}

.page-faq .faq-panel .panel__head:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: -2px;
}

.page-faq .faq-panel[data-open="true"] .panel__head {
  border-left-color: var(--signal);
}

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

.page-faq .faq-panel__sign {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .faq-panel__sign::before,
.page-faq .faq-panel__sign::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
  background: var(--rock);
  transition: transform 0.18s var(--ease);
}

.page-faq .faq-panel__sign::after {
  transform: rotate(90deg);
}

.page-faq .faq-panel[data-open="true"] .faq-panel__sign::after {
  transform: rotate(0deg);
}

.page-faq .faq-panel .panel__body {
  display: block;
  padding: 0 18px 18px 21px;
  color: var(--rock);
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .faq-panel .panel__body p {
  margin: 0;
  max-width: 66ch;
}

.page-faq .faq-panel[data-open="false"] .panel__body {
  display: none;
}

/* ---------- 复盘小节 ---------- */

.page-faq .faq-facts {
  display: grid;
  gap: 12px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 760px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-fact {
  padding: 16px;
  border: 1px solid var(--line-light);
  border-radius: var(--r);
  background: var(--card);
}

.page-faq .faq-fact__v {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.1;
  color: var(--deep);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-fact__k {
  display: block;
  margin-top: 6px;
  color: var(--rock);
  font-size: 13px;
  letter-spacing: 0.03em;
  line-height: 1.6;
}

.page-faq .faq-cta {
  margin: clamp(18px, 3vw, 26px) 0 0;
}

/* ---------- 反馈 ---------- */

.page-faq .faq-feedback {
  display: grid;
  gap: 1px;
  margin-top: clamp(16px, 3vw, 22px);
  background: var(--line-light);
  border: 1px solid var(--line-light);
  border-radius: var(--r);
  overflow: hidden;
}

@media (min-width: 760px) {
  .page-faq .faq-feedback {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .faq-feedback__item {
  padding: 18px;
  background: var(--card);
}

.page-faq .faq-feedback__label {
  margin: 0 0 6px;
  color: var(--moss);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-faq .faq-feedback__item p {
  margin: 0;
  color: var(--rock);
  font-size: 15px;
  line-height: 1.72;
}

.page-faq .faq-contact {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--signal);
  border-radius: var(--r);
  background: var(--card);
}

.page-faq .faq-contact__line {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  align-items: baseline;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-contact__k {
  min-width: 64px;
  color: var(--rock);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-faq .faq-contact__line .mono {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__note {
  margin: 0;
  color: var(--rock);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-contact__note a {
  color: var(--steel);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------- 术语表 ---------- */

.page-faq .faq-terms {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line-light);
}

@media (min-width: 780px) {
  .page-faq .faq-terms {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 48px);
  }
}

.page-faq .faq-term {
  padding: 14px 0;
  border-bottom: 1px solid var(--line-light);
}

.page-faq .faq-term dt {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-term dt::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  vertical-align: 2px;
  background: var(--signal);
}

.page-faq .faq-term dd {
  margin: 0;
  color: var(--rock);
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 520px) {
  .page-faq .faq-hero__title {
    max-width: none;
  }

  .page-faq .faq-states .data-table th,
  .page-faq .faq-states .data-table td {
    padding: 10px 11px;
    font-size: 14px;
  }

  .page-faq .faq-versions,
  .page-faq .faq-contact__line {
    gap: 4px 8px;
  }
}
<<<END>>>