.page-features-advanced {
  --adv-radius: var(--space-4);
  --adv-cut: var(--space-3);
  display: block;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  box-sizing: border-box;
  font-family: var(--font-body);
  color: var(--color-ink);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  overflow-x: hidden;
}

.page-features-advanced * {
  box-sizing: border-box;
}

.page-features-advanced .adv-head {
  padding-block: var(--space-6) var(--space-8);
}

.page-features-advanced .adv-head h1 {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-4);
  max-width: 26ch;
}

.page-features-advanced .adv-head__lede {
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  margin: 0;
}

.page-features-advanced .adv-jump {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.page-features-advanced .adv-jump .pill {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.page-features-advanced .adv-jump .pill:hover,
.page-features-advanced .adv-jump .pill:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-features-advanced .adv-gate,
.page-features-advanced .adv-block,
.page-features-advanced .adv-outro {
  padding-block: var(--section-y);
  border-top: 1px dotted var(--color-line);
}

.page-features-advanced .adv-block[id] {
  scroll-margin-top: var(--space-8);
}

.page-features-advanced .adv-gate h2,
.page-features-advanced .adv-block h2,
.page-features-advanced .adv-outro h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-4);
  max-width: 28ch;
}

.page-features-advanced .adv-block__lede,
.page-features-advanced .adv-outro__lede {
  max-width: var(--measure);
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-6);
}

/* ---------- 开场判断区 ---------- */
.page-features-advanced .adv-gate__grid {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.page-features-advanced .adv-gate__card {
  position: relative;
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-4);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--adv-cut)), calc(100% - var(--adv-cut)) 100%, 0 100%);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.page-features-advanced .adv-gate__card:nth-child(3) {
  border-left-color: var(--color-accent);
}

.page-features-advanced .adv-gate__card:hover,
.page-features-advanced .adv-gate__card:focus-within {
  transform: translateY(-3px);
  border-color: var(--color-primary);
}

.page-features-advanced .adv-gate__card h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: var(--space-3) 0 var(--space-2);
}

.page-features-advanced .adv-gate__card p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-features-advanced .adv-gate__note {
  max-width: var(--measure);
  margin: 0;
  padding: var(--space-4);
  background: var(--color-primary-soft);
  border-left: 4px solid var(--color-primary);
  font-size: var(--text-sm);
  color: var(--color-ink);
}

.page-features-advanced .adv-gate__note a {
  color: var(--color-primary);
  text-decoration: underline dotted;
  text-underline-offset: 3px;
}

/* ---------- 章节编号 ---------- */
.page-features-advanced .section-index {
  margin: 0 0 var(--space-2);
  line-height: 1;
}

/* ---------- 图表与展签 ---------- */
.page-features-advanced .adv-figure {
  margin: 0 0 var(--space-6);
}

.page-features-advanced .adv-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--adv-radius);
}

.page-features-advanced .adv-figure .media__caption {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  margin-top: var(--space-2);
}

/* ---------- 三步做法 ---------- */
.page-features-advanced .adv-steps {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.page-features-advanced .adv-step {
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
  padding: var(--space-3) var(--space-4);
  border-left: 4px solid var(--color-primary);
}

.page-features-advanced .adv-step summary {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-features-advanced .adv-step summary::-webkit-details-marker {
  display: none;
}

.page-features-advanced .adv-step summary::after {
  content: "收起";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-body);
  color: var(--color-primary);
  border: var(--border-thin) solid var(--color-primary);
  border-radius: var(--radius-pill);
  padding: 0 var(--space-2);
  line-height: 2;
}

.page-features-advanced .adv-step:not([open]) summary::after {
  content: "展开";
  color: var(--color-ink-muted);
  border-color: var(--color-line);
}

.page-features-advanced .adv-step__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-radius: var(--radius-pill);
  padding: 0 var(--space-2);
  line-height: 2;
}

.page-features-advanced .adv-step p {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-body);
  color: var(--color-ink-soft);
}

/* ---------- 判断顺序列表 ---------- */
.page-features-advanced .adv-order {
  list-style: none;
  margin: 0 0 var(--space-6);
  padding: 0;
}

.page-features-advanced .adv-order > li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
  padding-block: var(--space-4);
  border-top: 1px dotted var(--color-line);
}

.page-features-advanced .adv-order > li:last-child {
  border-bottom: 1px dotted var(--color-line);
}

.page-features-advanced .adv-order__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-radius: var(--radius-pill);
  padding: 0 var(--space-2);
  line-height: 2;
  min-width: 2.4em;
  text-align: center;
}

.page-features-advanced .adv-order h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-1);
}

.page-features-advanced .adv-order p {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ---------- 余量计量条 ---------- */
.page-features-advanced .adv-gauges {
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--adv-radius);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
  display: grid;
  gap: var(--space-3);
}

.page-features-advanced .adv-gauges__title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-features-advanced .adv-gauge {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
}

.page-features-advanced .adv-gauge__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-features-advanced .adv-gauge__track {
  display: block;
  height: 10px;
  background: var(--color-surface-deep);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.page-features-advanced .adv-gauge__fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

.page-features-advanced .adv-gauge--tight .adv-gauge__fill {
  background: var(--color-accent);
}

.page-features-advanced .adv-gauge__state {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-soft);
}

/* ---------- 突出提示 ---------- */
.page-features-advanced .adv-flag {
  background: var(--color-highlight);
  border-left: 4px solid var(--color-accent);
  padding: var(--space-4);
  max-width: var(--measure);
}

.page-features-advanced .adv-flag p {
  margin: var(--space-3) 0 0;
  font-size: var(--text-base);
  color: var(--color-ink);
}

/* ---------- 表格 ---------- */
.page-features-advanced .adv-table-wrap {
  overflow-x: auto;
  margin-block: var(--space-6);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--adv-radius);
  background: var(--color-surface);
}

.page-features-advanced .adv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.page-features-advanced .adv-table caption {
  text-align: left;
  padding: var(--space-3) var(--space-3) var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-features-advanced .adv-table th {
  text-align: left;
  vertical-align: bottom;
  background: var(--color-surface-deep);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--weight-heading);
  letter-spacing: 0.06em;
  padding: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
  white-space: nowrap;
}

.page-features-advanced .adv-table td {
  padding: var(--space-3);
  border-bottom: 1px dotted var(--color-line);
  color: var(--color-ink-soft);
  vertical-align: top;
  min-width: 7.5em;
}

.page-features-advanced .adv-table tbody tr:last-child td {
  border-bottom: none;
}

.page-features-advanced .adv-table tbody td:first-child {
  font-family: var(--font-mono);
  color: var(--color-ink);
  min-width: 9em;
}

.page-features-advanced .adv-table--devices th {
  white-space: normal;
  vertical-align: middle;
}

.page-features-advanced .adv-table--devices th .pill {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.page-features-advanced .adv-table--lines td:nth-child(3) {
  color: var(--color-ink);
}

/* ---------- 边界说明 ---------- */
.page-features-advanced .adv-block__boundary {
  max-width: var(--measure);
  margin: 0;
  padding-left: var(--space-4);
  border-left: 4px solid var(--color-surface-deep);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-features-advanced .adv-block__boundary a {
  color: var(--color-primary);
  text-decoration: underline dotted;
  text-underline-offset: 3px;
}

/* ---------- 多端对照 ---------- */
.page-features-advanced .adv-devices {
  display: grid;
  gap: var(--space-6);
}

.page-features-advanced .adv-devices__table {
  min-width: 0;
}

.page-features-advanced .adv-devices .adv-table-wrap {
  margin-block: 0;
}

.page-features-advanced .adv-figure--side {
  margin: 0;
}

.page-features-advanced .adv-pair {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.page-features-advanced .adv-pair__item {
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
  border-top: 4px solid var(--color-primary);
}

.page-features-advanced .adv-pair__item--no {
  border-top-color: var(--color-accent);
}

.page-features-advanced .adv-pair__item h3 {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-features-advanced .adv-pair__item p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ---------- 收束 ---------- */
.page-features-advanced .adv-figure--tail {
  margin-block: var(--space-6);
}

.page-features-advanced .adv-exit {
  padding: var(--space-8) var(--space-6);
  border-radius: var(--adv-radius);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-features-advanced .adv-exit h2 {
  color: var(--color-contrast-ink);
  margin-bottom: var(--space-3);
}

.page-features-advanced .adv-exit p {
  max-width: var(--measure);
  color: var(--color-contrast-ink);
  margin: 0 0 var(--space-6);
  font-size: var(--text-base);
}

.page-features-advanced .adv-exit a {
  color: var(--color-contrast-accent);
  text-decoration: underline dotted;
  text-underline-offset: 3px;
}

.page-features-advanced .adv-exit__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.page-features-advanced .adv-exit__links .pill {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.page-features-advanced .adv-exit__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-contrast-ink);
  opacity: 0.85;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-features-advanced .adv-head h1 {
    font-size: var(--text-4xl);
  }

  .page-features-advanced .adv-gate__grid {
    grid-template-columns: 5fr 4fr 3fr;
    align-items: start;
  }

  .page-features-advanced .adv-gate__card:nth-child(2) {
    margin-top: var(--space-4);
  }

  .page-features-advanced .adv-gate__card:nth-child(3) {
    margin-top: var(--space-8);
  }

  .page-features-advanced .adv-gauge {
    grid-template-columns: 7em minmax(0, 1fr) 4.5em;
    align-items: center;
    gap: var(--space-3);
  }

  .page-features-advanced .adv-gauge__state {
    text-align: right;
  }

  .page-features-advanced .adv-pair {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-features-advanced .adv-devices {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-features-advanced .adv-figure--side {
    margin-top: var(--space-8);
  }
}
<<<END>>>