.page-standards {
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

/* ---------- 通用小件 ---------- */
.page-standards .std-h2 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: clamp(var(--text-lg), 4vw, var(--text-2xl));
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  max-width: 22ch;
}

.page-standards .lede {
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-standards .std-band__linkline {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-standards .std-band__linkline a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

.page-standards a:focus-visible,
.page-standards summary:focus-visible,
.page-standards .btn:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */
.page-standards .std-hero {
  padding-block: var(--space-8) var(--section-y);
}

.page-standards .std-hero__inner {
  display: grid;
  gap: var(--space-3);
}

.page-standards .std-hero__kicker {
  margin: 0;
  display: inline-block;
  padding: 4px var(--space-2);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  justify-self: start;
}

.page-standards .std-hero__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 1.1;
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  max-width: 18ch;
}

.page-standards .std-hero__lede {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  color: var(--color-contrast-ink);
  opacity: 0.88;
}

.page-standards .std-figures {
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.page-standards .std-figures__item {
  padding-top: var(--space-2);
  border-top: var(--border-thick) solid var(--color-contrast-accent);
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-standards .std-figures__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-figure);
  line-height: 1;
  color: var(--color-contrast-accent);
  font-variant-numeric: tabular-nums;
}

.page-standards .std-figures__label {
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.9;
}

/* ---------- 常见困扰 ---------- */
.page-standards .std-issues__lede {
  margin: 0 0 var(--space-6);
}

.page-standards .std-issues__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-standards .std-issue {
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  grid-template-areas:
    "idx title"
    ".   text";
  gap: 6px var(--space-2);
}

.page-standards .std-issue__idx {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  padding-top: 4px;
  font-variant-numeric: tabular-nums;
}

.page-standards .std-issue__title {
  grid-area: title;
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
}

.page-standards .std-issue__text {
  grid-area: text;
  margin: 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

/* ---------- 主题带 ---------- */
.page-standards .std-band__grid {
  display: grid;
  gap: var(--space-4);
}

.page-standards .std-band__lead {
  display: grid;
  gap: var(--space-2);
  align-content: start;
}

.page-standards .std-band__question {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: clamp(var(--text-lg), 4vw, var(--text-2xl));
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  max-width: 16ch;
  padding: 2px 6px;
  margin-inline: -6px;
  transition: background-color 150ms ease, color 150ms ease;
}

.page-standards .std-band:hover .std-band__question,
.page-standards .std-band:focus-within .std-band__question {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-standards .std-band__body {
  display: grid;
  gap: var(--space-4);
  min-width: 0;
}

.page-standards .std-field {
  display: grid;
  gap: 6px;
  padding-left: var(--space-2);
  border-left: var(--border-thin) solid var(--color-line);
}

.page-standards .std-field__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
  text-transform: uppercase;
}

.page-standards .std-field__text {
  margin: 0;
  max-width: var(--measure);
}

.page-standards .std-field--result {
  border-left-color: var(--color-primary);
  border-left-width: var(--border-thick);
}

.page-standards .std-field--result .std-field__label {
  color: var(--color-primary);
}

/* 深底主题带内的文字切换 */
.page-standards .section--contrast .std-field {
  border-left-color: var(--color-contrast-line);
}

.page-standards .section--contrast .std-field--result {
  border-left-color: var(--color-contrast-accent);
}

.page-standards .section--contrast .std-field__label {
  color: var(--color-contrast-ink);
  opacity: 0.75;
}

.page-standards .section--contrast .std-field--result .std-field__label {
  color: var(--color-contrast-accent);
  opacity: 1;
}

.page-standards .section--contrast .std-field__text,
.page-standards .section--contrast .std-band__linkline {
  color: var(--color-contrast-ink);
}

.page-standards .section--contrast .std-band__linkline a {
  color: var(--color-contrast-accent);
}

.page-standards .std-band__media {
  margin: 0;
}

/* ---------- 门店大区数字条 ---------- */
.page-standards .std-stat-strip {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-line);
  border: var(--border-thin) solid var(--color-line);
}

.page-standards .std-stat-strip__cell {
  margin: 0;
  padding: var(--space-2);
  background: var(--color-surface);
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-standards .std-stat-strip__key {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-standards .std-stat-strip__val {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

/* ---------- 工序列表 ---------- */
.page-standards .std-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-standards .std-step {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num text";
  gap: 4px var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-standards .std-step__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
  padding-top: 5px;
  font-variant-numeric: tabular-nums;
}

.page-standards .std-step__title {
  grid-area: title;
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-standards .std-step__text {
  grid-area: text;
  margin: 0;
  color: var(--color-contrast-ink);
  opacity: 0.86;
  max-width: var(--measure);
}

/* ---------- 三次全检 ---------- */
.page-standards .std-checks {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-standards .std-checks__row {
  display: grid;
  gap: 4px;
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-standards .std-checks__key {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-contrast-accent);
}

.page-standards .std-checks__val {
  margin: 0;
  color: var(--color-contrast-ink);
  opacity: 0.88;
  max-width: var(--measure);
}

/* ---------- 编号结构 ---------- */
.page-standards .std-code {
  margin: 0;
  display: grid;
  gap: var(--space-3);
}

.page-standards .std-code__svg {
  width: 100%;
  height: auto;
  display: block;
  color: var(--color-ink);
}

.page-standards .std-code__slot {
  fill: var(--color-surface-alt);
  stroke: var(--color-line);
  stroke-width: 3;
}

.page-standards .std-code__slot--1 {
  fill: var(--color-primary-soft);
  stroke: var(--color-primary);
}

.page-standards .std-code__sep {
  stroke: var(--color-line);
  stroke-width: 3;
}

.page-standards .std-code__legend {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-3);
}

.page-standards .std-code__legend-item {
  display: grid;
  gap: 4px;
  padding-left: var(--space-2);
  border-left: var(--border-thin) solid var(--color-line);
}

.page-standards .std-code__legend-idx {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-standards .std-code__legend-name {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
}

.page-standards .std-code__legend-text {
  margin: 0;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-standards .std-code__faq {
  border-top: var(--border-thin) solid var(--color-line);
}

/* ---------- 大区查询 ---------- */
.page-standards .std-regions__hint {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-standards .std-regions__jump {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.page-standards .std-regions__jump a {
  display: inline-block;
  padding: 6px var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}

.page-standards .std-regions__jump a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-standards .std-regions {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--color-line);
  border: var(--border-thin) solid var(--color-line);
}

.page-standards .std-region {
  display: grid;
  gap: 4px;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  transition: background-color 150ms ease;
}

.page-standards .std-region:target {
  background: var(--color-highlight);
  outline: var(--border-thick) solid var(--color-primary);
  outline-offset: -3px;
}

.page-standards .std-region__name {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
}

.page-standards .std-region__count {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.page-standards .std-region__note {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

/* ---------- 行动出口 ---------- */
.page-standards .std-outro {
  padding-top: var(--space-8);
}

.page-standards .std-outro__panel {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top: var(--border-thick) solid var(--color-primary);
  padding: var(--space-4);
  display: grid;
  gap: var(--space-3);
}

.page-standards .std-outro__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: clamp(var(--text-lg), 4vw, var(--text-2xl));
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-standards .std-outro__text {
  margin: 0;
  max-width: var(--measure);
  color: var(--color-contrast-ink);
  opacity: 0.9;
}

.page-standards .std-outro__contact {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
}

.page-standards .std-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-standards .std-outro__actions .btn--ghost {
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}

.page-standards .std-outro__actions .btn--ghost:hover {
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
  background: var(--color-contrast-accent);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-standards .std-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-standards .std-stat-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-standards .std-code__legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-2);
  }

  .page-standards .std-outro__panel {
    padding: var(--space-6);
  }

  .page-standards .std-issue,
  .page-standards .std-step {
    grid-template-columns: 3.25rem minmax(0, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-standards .std-band__grid {
    grid-template-columns: 4fr 7fr;
    gap: var(--space-6);
    align-items: start;
  }

  .page-standards .std-band__lead {
    position: sticky;
    top: var(--space-8);
  }

  .page-standards .std-stat-strip {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-standards .std-checks__row {
    grid-template-columns: 12rem minmax(0, 1fr);
    align-items: baseline;
    gap: var(--space-3);
  }

  .page-standards .std-band__body {
    gap: var(--space-6);
  }
}
<<<END>>>

等一下——我把消息截断了。让我重新检查一下。用户要求我输出 MAIN_HTML 和 PAGE_CSS 标记，而我在末尾不小心写了 `<<<END>>>`，这是不允许的。让我修正输出——去掉那个多余的标记，让格式正确。

实际上再仔细看，我确实把完整内容都写出来了。现在只需要重新输出，去掉末尾那个 `<<<END>>>` 标记就行。让我按正确格式重新输出。