/* 创意顾问表达：沿用品牌 tokens，变化只落在内容节奏与重点页面。 */
.site-header { container: site-brand / inline-size; }
.site-header .brand { gap: 12px; }
.site-header .brand__mark { width: 48px; height: 48px; }
.site-header .brand__text { gap: 3px; }
.site-header .brand__text strong { font-size: 1.25rem; font-weight: 750; letter-spacing: 0.08em; }
.site-header .brand__text span { color: var(--color-text-soft); font-size: 0.72rem; }

.home-positioning {
  margin-bottom: var(--space-5);
  color: var(--color-text-soft);
  font-size: clamp(1rem, 1.45vw, 1.2rem);
  line-height: 1.75;
  letter-spacing: 0.02em;
  text-wrap: balance;
}
.home-positioning > span { margin-inline-end: 0.2em; }
.home-positioning strong {
  color: var(--color-accent-strong);
  font-weight: 700;
  background: linear-gradient(transparent 68%, var(--color-accent-soft) 68%);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* 字体放大后也按可用空间切换菜单，避免链接从收缩的导航里挤进品牌区。
   rem 随正文缩放；原媒体查询继续为不支持容器查询的浏览器提供窄屏布局。 */
@container site-brand (max-width: 60rem) {
  .site-header__inner { min-height: 70px; flex-wrap: wrap; padding-block: 12px; }
  .site-header .brand__mark { width: 44px; height: 44px; }
  .site-header .brand__text strong { font-size: 1.15rem; line-height: 1.25; }
  .site-header .brand__text span,
  .site-header__cta { display: none; }
  .site-header .site-nav { width: 100%; flex: 1 0 100%; flex-wrap: wrap; order: 3; padding: 8px 0 4px; border-top: 1px solid var(--color-border); justify-content: flex-start; }
  .site-header .site-nav .site-nav__cta { display: inline-flex; min-height: 38px; padding: 7px 16px; color: var(--color-inverse); font-size: 0.85rem; }
  .is-enhanced .site-header .menu-toggle { display: inline-flex; margin-left: auto; }
  .is-enhanced .site-header .site-nav { display: none; padding-block: 14px 8px; }
  .is-enhanced .site-header .site-nav[data-open="true"] { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .is-enhanced .site-header .site-nav[data-open="true"] .site-nav__cta { grid-column: 1 / -1; justify-content: center; margin-top: 6px; }
  @media (min-width: 961px) {
    .site-header__inner { min-height: 78px; }
  }
}

.home-hero {
  background: var(--color-bg);
  padding-block: clamp(48px, 6vw, 84px);
}

.home-hero .inner-hero__layout {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
}

.home-hero h1 {
  font-size: clamp(2.35rem, 3.55vw, 3.75rem);
  line-height: 1.3;
  letter-spacing: -0.035em;
}

.home-hero .inner-hero__summary {
  max-width: 31em;
  line-height: 1.9;
}

.home-illustration,
.about-illustration {
  margin: 0;
}

.home-illustration img,
.about-illustration img {
  width: 100%;
  height: auto;
}

.home-illustration figcaption,
.about-illustration figcaption {
  margin-top: var(--space-3);
  color: var(--color-muted);
  font-size: 0.88rem;
  text-align: center;
}

.home-split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.25fr);
  gap: clamp(40px, 7vw, 96px);
  align-items: start;
}

.home-page .section-heading h2,
.home-closing h2 {
  font-size: clamp(1.8rem, 2.6vw, 2.7rem);
  line-height: 1.4;
}

.home-kicker {
  margin-bottom: var(--space-3);
  color: var(--color-accent-strong);
  font-size: 0.84rem;
  font-weight: 650;
}

.home-problems {
  background: var(--color-surface);
}

.home-situations.content-rail {
  display: block;
  border: 0;
  background: transparent;
}

.home-situations.content-rail > article {
  display: block;
  padding: var(--space-5) 0;
  border: 0;
  border-bottom: 1px solid var(--color-border-strong);
  background: transparent;
}

.home-situations.content-rail > article:first-child { padding-top: 0; }
.home-situations.content-rail > article:last-child { border-bottom: 0; padding-bottom: 0; }
.home-situations p { margin-bottom: var(--space-3); }

.home-samples { background: var(--color-bg); }
.home-sample-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}

.home-sample-layout > .delivery-example {
  width: 100%;
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: none;
  background: var(--color-surface);
}

.home-sample-layout .delivery-example__question p {
  color: var(--color-text);
  font-size: 1.16rem;
  line-height: 1.6;
}

.home-sample-layout > .content-rail {
  display: block;
  border: 0;
}

.home-sample-layout > .content-rail > article {
  display: block;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0 var(--space-5);
}

.home-sample-layout > .content-rail > article:first-child { padding-top: 0; }
.home-sample-layout > .content-rail > article:last-child { border-bottom: 0; }
.home-sample-layout > .content-rail > article p { margin-bottom: var(--space-3); }

.home-capabilities .content-rail,
.home-insights .content-rail {
  gap: var(--space-6);
  border: 0;
  background: transparent;
}

.home-insights .content-rail > article {
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
}
.home-insights .section-heading p { margin-bottom: 0; }
.home-insights .content-rail h3 { line-height: 1.5; text-wrap: pretty; }
.home-insights .content-rail article > p { margin-bottom: var(--space-4); }
.home-insights .content-rail article > .text-link { align-self: flex-start; margin-top: auto; }
@supports (grid-template-rows: subgrid) {
  .home-insights .content-rail > article { display: grid; grid-template-rows: subgrid; grid-row: span 3; row-gap: var(--space-4); }
  .home-insights .content-rail h3,
  .home-insights .content-rail article > p { margin: 0; }
  .home-insights .content-rail article > .text-link { align-self: start; justify-self: start; margin: 0; padding: 0; }
}

.home-capabilities .content-rail { gap: clamp(24px, 3vw, 48px); }
.home-capabilities .content-rail > article {
  display: flex;
  flex-direction: column;
  padding: 0;
  border: 0;
  background: transparent;
}
.home-capability-title { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); }
.home-capability-title h3 { margin: 0; }
.home-capability-title .visual-icon { width: 44px; height: 44px; padding: 7px; border-radius: 12px; background: var(--color-accent-soft); }
.home-capabilities .content-rail .card-links { display: flex; flex-wrap: wrap; gap: 4px 12px; margin: 0 0 var(--space-5); }
.home-capabilities .content-rail .card-links span { margin: 0; padding: 0; border: 0; border-radius: 0; font-size: 0.82rem; color: var(--color-text-soft); }
.home-capabilities .content-rail article > .text-link { align-self: flex-start; margin-top: auto; }

.cases-page #delivery-samples article > span {
  margin-bottom: 0;
  padding-bottom: var(--space-3);
}

.home-approach { background: var(--color-accent-soft); }
.home-note { margin-top: var(--space-6); }
.home-note h3 { font-size: 0.86rem; color: var(--color-accent-strong); }
.home-note p { margin-bottom: var(--space-3); }
.home-note strong { color: var(--color-text); font-weight: 550; }

.home-path {
  margin: 0;
  padding: 0;
  list-style: none;
}

.home-path li { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: var(--space-3); margin-bottom: var(--space-5); padding-bottom: var(--space-4); border-bottom: 1px solid var(--color-border-strong); }
.home-path li > span { padding-top: 3px; color: var(--color-accent-strong); font-size: 0.9rem; }
.home-path li:last-child { margin-bottom: 0; padding-bottom: 0; border: 0; }
.home-path li p { margin-bottom: 0; }

.home-closing { background: var(--color-surface); color: var(--color-text); }
.home-closing p { color: var(--color-text-soft); }
.home-closing .button--secondary { background: var(--color-bg); border-color: var(--color-border-strong); color: var(--color-text); }
.home-closing .button--secondary:hover { background: var(--color-accent-soft); border-color: var(--color-accent); }
.home-closing .home-split { align-items: center; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); }
.home-assessment { padding-left: var(--space-6); border-left: 1px solid var(--color-border-strong); }
.home-assessment p { font-size: 0.95rem; }

.about-page .inner-hero { background: var(--color-bg); padding-block: clamp(48px, 6vw, 80px); }
.about-page .inner-hero__layout { grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.85fr); gap: clamp(40px, 6vw, 84px); align-items: center; }
.about-page .inner-hero__summary p { max-width: 35em; line-height: 1.95; color: var(--color-text-soft); }
.about-page .inner-hero__summary p:first-child { font-size: 1.16rem; }

.cases-page .inner-hero { background: var(--color-bg); }
.cases-page .inner-hero__layout { display: block; max-width: var(--container); }
.cases-page .inner-hero__summary { max-width: 46em; }
.cases-page #delivery-samples .content-rail { gap: var(--space-6); border: 0; background: transparent; }
.cases-page #delivery-samples article { min-height: 0; border: 1px solid var(--color-border); padding: clamp(24px, 3vw, 36px); border-radius: var(--radius-md); }
.cases-page .disclosure-section { padding-block: var(--space-5); }
.disclosure-details > summary { padding: var(--space-4) 0; cursor: pointer; color: var(--color-accent-strong); font-weight: 650; }
.disclosure-details > summary:hover { color: var(--color-text); }
.disclosure-details > .section-heading { margin-top: var(--space-5); }

.consultation-page .inner-hero { background: var(--color-bg); }
.consultation-page .inner-hero__summary { max-width: 43em; }

/* 入口信息按阅读任务分组，不把说明文字画成操作控件。 */
.inner-hero,
.inner-section { border-bottom: 0; }
.inner-hero__panel { border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: none; }
.consultation-page .success-panel,
.assessment-page .success-panel { border: 1px solid var(--color-border); border-radius: var(--radius-md); }

/* 连续说明区用标题下的单条细线划分章节，正文条目不重复画线。 */
.inner-section.detail-reference { padding-block: var(--space-6); background: var(--color-bg); }
.detail-reference + .detail-reference { padding-top: var(--space-4); }
.detail-reference .section-heading,
.section-heading--reference { max-width: none; padding-bottom: var(--space-4); border-bottom: 1px solid var(--color-border); margin-bottom: var(--space-5); }
.detail-reference .section-heading h2 { font-size: clamp(1.4rem, 2vw, 1.75rem); line-height: 1.4; }
.detail-reference .section-heading > :last-child,
.section-heading--reference > :last-child { margin-bottom: 0; }

/* 说明文字按标签与正文配对，用行组留白承接；只有数值对照显式保留数据行线。 */
.definition-list:not(.definition-list--metrics) { display: grid; gap: var(--space-5); border: 0; }
.definition-list:not(.definition-list--metrics) > div { padding: 0; border: 0; align-items: start; }
.definition-list--questions > div { grid-template-columns: minmax(0, 1fr); gap: var(--space-2); }
.definition-list--questions dt { font-size: 1.05rem; }
.definition-list--questions dd { max-width: 56rem; }

.inner-hero .meta-chips { gap: 4px 0; }
.inner-hero .meta-chips span { padding: 0; border: 0; border-radius: 0; font-size: 0.84rem; }
.inner-hero .meta-chips span + span::before { content: "·"; margin-inline: 10px; }

.about-capabilities .content-rail { gap: clamp(24px, 4vw, 56px); border: 0; background: transparent; }
.about-capabilities .content-rail > article { min-height: 0; padding: 0; border: 0; background: transparent; }
.about-capabilities .content-rail > article p { margin-bottom: var(--space-4); }
.about-capabilities .content-rail > article .text-link { align-self: flex-start; margin-top: auto; }

.insights-index .inner-hero,
.article-page .inner-hero { padding-block: clamp(40px, 5vw, 64px); background: var(--color-bg); }
.insights-index .inner-hero__layout,
.article-page .inner-hero__layout { display: block; }
.insights-index .inner-hero__summary { max-width: 46em; }
.insights-index .content-rail.insight-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-7) clamp(32px, 5vw, 72px); border: 0; background: transparent; }
.insights-index .insight-list.content-rail > article { grid-column: auto; min-height: 0; padding: var(--space-5) 0 0; border: 0; border-top: 1px solid var(--color-border); background: transparent; }
.insights-index .insight-list > article > span { margin: 0 0 var(--space-3); padding: 0; color: var(--color-muted); font-size: 0.8rem; }
.insights-index .insight-list h2 { max-width: 28em; font-size: clamp(1.2rem, 1.6vw, 1.45rem); line-height: 1.5; text-wrap: pretty; }
.insights-index .insight-list article > p { margin-bottom: var(--space-4); }
.insights-index .insight-list .text-link { margin-top: auto; align-self: flex-start; }
.insights-index .insight-list > article:last-child:nth-child(odd) { grid-column: 1 / -1; }
.insights-index .insight-list > article:first-child { padding-top: 0; border-top: 0; }
@media (min-width: 721px) {
  .insights-index .insight-list > article:nth-child(2) { padding-top: 0; border-top: 0; }
}
.article-page .inner-hero h1 { max-width: 22em; font-size: clamp(2rem, 3.5vw, 3.4rem); line-height: 1.4; }
.article-page .inner-hero__summary { max-width: 48em; }
.article-page .inner-section .article-notes { padding: 0 0 0 var(--space-6); border: 0; border-left: 1px solid var(--color-border-strong); background: transparent; }

.inner-cta .detail-return { display: inline-flex; align-items: center; gap: var(--space-2); min-height: 44px; padding-block: var(--space-2); color: var(--color-inverse-muted); font-size: 0.9rem; text-underline-offset: 5px; }
.inner-cta .detail-return:hover { color: var(--color-inverse); text-decoration-thickness: 2px; }
.inner-cta .detail-return:focus-visible { outline-color: var(--color-inverse); }

/* 填写型页面共用阅读宽度，首屏说明与填写区域保持同一条边。 */
.consultation-page .inner-hero__layout,
.assessment-page .inner-hero__layout,
.assessment-page .assessment-section > .shell { max-width: calc(860px + 2 * var(--gutter)); }
.consultation-page .inner-hero__layout { display: block; }
.consultation-page .inner-hero__layout > div:first-child { padding-inline: clamp(20px, 3vw, 36px); }
.consultation-page .prototype-form { border-radius: var(--radius-md); box-shadow: none; }
.assessment-page .inner-hero { padding-block: var(--space-6); background: var(--color-bg); }
.assessment-page .inner-hero__layout { display: block; }
.assessment-page .inner-hero h1 { font-size: clamp(1.7rem, 3.2vw, 2.6rem); line-height: 1.4; }
.assessment-page .assessment-section { padding-top: var(--space-6); }
.assessment-page .assessment-form .checkbox-field { min-height: 44px; padding: 10px var(--space-3); border-radius: var(--radius-sm); cursor: pointer; }
.assessment-page .assessment-form .checkbox-field:hover { background: var(--color-surface); }
.assessment-page .assessment-form .checkbox-field:has(input:checked) { background: var(--color-accent-soft); }

@media (max-width: 960px) {
  .site-header .brand__mark { width: 44px; height: 44px; }
  .site-header .brand__text strong { font-size: 1.15rem; }
  .article-page .inner-section .article-notes { padding: var(--space-5) 0 0; border-left: 0; border-top: 1px solid var(--color-border-strong); }
  .home-hero .inner-hero__layout,
  .home-split,
  .home-sample-layout,
  .home-closing .home-split,
  .about-page .inner-hero__layout {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .home-illustration { max-width: 520px; margin-inline: auto; }
  .about-illustration { max-width: 420px; margin-inline: auto; }
  .home-assessment { padding: var(--space-5) 0 0; border-left: 0; border-top: 1px solid var(--color-border-strong); }
}

@media (max-width: 720px) {
  .insights-index .content-rail.insight-list { grid-template-columns: minmax(0, 1fr); gap: var(--space-6); }
  .insights-index .insight-list > article:last-child:nth-child(odd) { grid-column: auto; }
}

@media (max-width: 600px) {
  .inner-section.detail-reference { padding-block: var(--space-5); }
  .detail-reference + .detail-reference { padding-top: var(--space-3); }
  .home-hero { padding-block: 32px 40px; }
  .home-hero h1 { font-size: clamp(1.85rem, 7.9vw, 2.7rem); line-height: 1.45; }
  .home-illustration { max-width: 360px; }
  .home-illustration figcaption { font-size: 0.8rem; }
  .home-split { gap: var(--space-5); }
  .home-problems .section-heading { margin-bottom: 0; }
  .home-capabilities .content-rail,
  .home-insights .content-rail,
  .cases-page #delivery-samples .content-rail { gap: var(--space-5); }
}