:root {
  --xc-paper: #f6f9fb;
  --xc-white: #ffffff;
  --xc-ink: #0a2740;
  --xc-copy: #526b7c;
  --xc-muted: #566e80;
  --xc-cyan: #00aab5;
  --xc-cyan-dark: #006f79;
  --xc-ice: #eaf6f7;
  --xc-silver: #dce4ea;
  --xc-orange: #f28a22;
  --xc-shadow: 0 22px 65px rgba(10, 39, 64, .1);
}

/* R49 accessibility pass: final overrides stay after responsive rules. */
.journey-grid p,
.evidence-grid > div > p,
.report-preview header small,
.report-score small,
.report-row span,
.report-preview footer,
.sectors-grid > div > p,
.scope-note,
.sector-list small,
.article-list-v2 small,
.feature-grid-v2 p { color: #526b7c !important; }
.evidence-grid .text-link,
.sector-list b,
.article-list-v2 b { color: #006f79 !important; }
.report-preview header img { width: 40px; height: 40px; }

html { background: var(--xc-paper); }
body {
  color: var(--xc-ink);
  background: var(--xc-paper);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  letter-spacing: 0;
}

/* Content must never depend on scroll observers to become visible. */
.reveal-on-scroll,
.motion-ready .reveal-on-scroll {
  opacity: 1 !important;
  transform: none !important;
  visibility: visible !important;
}

.wrap { width: min(1180px, calc(100% - 48px)); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(10, 39, 64, .08);
  background: rgba(246, 249, 251, .9);
  box-shadow: none;
  backdrop-filter: blur(18px);
}

.nav { min-height: 82px; }
.brand-mark { width: 52px; height: 52px; border-radius: 8px; box-shadow: 0 8px 22px rgba(10, 39, 64, .12); }
.brand-copy strong { color: var(--xc-ink); font-size: 22px; }
.brand-copy small { color: var(--xc-muted); }
.nav-links { gap: 30px; }
.nav-links > a { color: var(--xc-ink); font-weight: 700; }
.nav-links > a:not(.nav-cta) { position: relative; }
.nav-links > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -9px;
  height: 2px;
  background: var(--xc-cyan);
  transition: right .2s ease;
}
.nav-links > a:not(.nav-cta):hover::after { right: 0; }
.nav-cta {
  border: 1px solid #aac5d1 !important;
  border-radius: 6px !important;
  color: var(--xc-ink) !important;
  background: rgba(255,255,255,.46) !important;
  box-shadow: none !important;
}
.mobile-menu-button { display: none; }

.button {
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid var(--xc-cyan);
  border-radius: 6px;
  color: var(--xc-cyan-dark);
  background: rgba(255,255,255,.66);
  box-shadow: none;
  font-weight: 800;
}
.button:hover { color: #fff; background: var(--xc-cyan-dark); transform: translateY(-1px); }

/* Keep supporting copy readable on white and ice surfaces. */
.journey-grid p,
.evidence-grid > div > p,
.report-preview header small,
.report-score small,
.report-row span,
.report-preview footer,
.sectors-grid > div > p,
.scope-note,
.sector-list small,
.article-list-v2 small,
.feature-grid-v2 p { color: #526b7c !important; }
.evidence-grid .text-link,
.sector-list b,
.article-list-v2 b { color: #006f79 !important; }
.report-preview header img { width: 40px; height: 40px; }
.text-link { color: var(--xc-ink); }
.section-label, .eyebrow { color: var(--xc-cyan-dark); }

/* Homepage hero: live text over the approved clean silver-ring asset. */
.home-hero-v2 {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  border-bottom: 1px solid var(--xc-silver);
  background-color: var(--xc-paper);
  background-image:
    linear-gradient(90deg, rgba(246,249,251,.98) 0%, rgba(246,249,251,.91) 30%, rgba(246,249,251,.22) 55%, rgba(246,249,251,.02) 100%),
    image-set(url("/assets/design/silver-source-ring-hero.webp?v=20260831-r51-1") type("image/webp"), url("/assets/design/silver-source-ring-hero.png?v=20260831-r51-1") type("image/png"));
  background-position: center, center;
  background-size: cover, cover;
  background-repeat: no-repeat;
}
.home-hero-v2::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 130px;
  background: linear-gradient(180deg, transparent, rgba(246,249,251,.92));
  pointer-events: none;
}
.home-hero-grid {
  position: relative;
  z-index: 2;
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 500px) 1fr;
  align-items: center;
  gap: 72px;
  padding: 72px 0 140px;
}
.hero-copy-v2 { max-width: 500px; }
.hero-copy-v2 .eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid rgba(0, 170, 181, .3);
  border-radius: 999px;
  background: rgba(234, 246, 247, .72);
  backdrop-filter: blur(10px);
  font-size: 14px;
  font-weight: 800;
}
.hero-copy-v2 h1 {
  max-width: 500px;
  margin: 24px 0 18px;
  color: var(--xc-ink);
  font-size: clamp(34px, 3vw, 46px);
  line-height: 1.2;
  font-weight: 850;
}
.hero-copy-v2 h1 em { color: var(--xc-cyan-dark); font-style: normal; }
.hero-copy-v2 > p { max-width: 480px; color: var(--xc-copy); font-size: 17px; line-height: 1.9; }
.hero-actions-v2 { margin-top: 28px; }
.hero-contact-v2 { margin-top: 26px; color: var(--xc-muted); }
.hero-contact-v2 a { color: var(--xc-ink); }
.approved-hero-visual { min-height: 480px; opacity: 0; pointer-events: none; }
.approved-principles {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  border: 1px solid rgba(220,228,234,.9);
  border-radius: 8px;
  background: rgba(255,255,255,.78);
  box-shadow: var(--xc-shadow);
  backdrop-filter: blur(16px);
}
.approved-principles article { border-color: rgba(10,39,64,.08); }
.approved-principles b { color: var(--xc-cyan-dark); }
.approved-principles strong { color: var(--xc-ink); }
.approved-principles small { color: var(--xc-muted); }

/* Whole-site section rhythm. */
.intro-v2, .journey-grid, .method-v2, .article-section-v2, .page-section-v2 { background: var(--xc-white); }
.intro-v2,
.journey-grid,
.article-section-v2,
body.is-home .home-v2 > .page-section-v2 {
  width: 100%;
  max-width: none;
  padding-left: max(24px, calc((100% - 1180px) / 2));
  padding-right: max(24px, calc((100% - 1180px) / 2));
}
.intro-v2 { margin: 0; padding-top: 96px; padding-bottom: 48px; }
.intro-v2 h2, .method-v2 h2, .article-section-v2 h2, .home-cta-v2 h2 {
  color: var(--xc-ink);
  font-size: clamp(30px, 3vw, 40px);
  line-height: 1.28;
}
.intro-v2 p, .article-heading p, .section-heading-center p { color: var(--xc-copy); }
.journey-grid {
  margin-top: 0;
  padding-bottom: 88px;
  border-color: var(--xc-silver);
}
.journey-grid article { min-height: 190px; padding-top: 30px; padding-bottom: 30px; }
.journey-grid article { border-color: var(--xc-silver); }
.journey-grid b { color: var(--xc-cyan-dark); }

.evidence-section { padding: 96px 0; background: var(--xc-ice); }
.report-preview {
  border: 1px solid #cbdde4;
  border-radius: 8px;
  background: rgba(255,255,255,.9);
  box-shadow: var(--xc-shadow);
}
.report-preview header, .report-row, .report-preview footer { border-color: var(--xc-silver); }
.report-preview header b, .report-score > b { color: var(--xc-cyan-dark); background: var(--xc-ice); }

.method-v2 {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 96px max(24px, calc((100% - 1180px)/2));
  color: #fff;
  background: var(--xc-ink);
}
.method-v2 .section-label { color: #6be0e3; }
.method-v2 h2 { color: #fff; }
.method-v2 .section-heading-center p, .method-steps-v2 p { color: #b7c9d3; }
.method-steps-v2 { border-color: rgba(255,255,255,.16); }
.method-steps-v2 {
  overflow: visible;
  border-top: 1px solid rgba(255,255,255,.18);
  border-bottom: 1px solid rgba(255,255,255,.18);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.method-steps-v2 article {
  min-height: 190px;
  padding: 34px 30px;
  border-color: rgba(255,255,255,.16);
  background: transparent;
}
.method-steps-v2 b { color: #6be0e3; }
.method-steps-v2 h3 { color: #fff; }

.sectors-v2 { background: var(--xc-ice); }
.sector-list a { border-color: #cbdde4; background: rgba(255,255,255,.68); }
.sector-list b { color: var(--xc-cyan-dark); }
.article-list-v2 { border-color: var(--xc-silver); }
.article-list-v2 a { border-color: var(--xc-silver); }
.article-list-v2 b { color: var(--xc-cyan-dark); }

.home-cta-v2 {
  width: min(1180px, calc(100% - 48px));
  border-radius: 8px;
  color: #fff;
  background: var(--xc-ink);
  box-shadow: var(--xc-shadow);
}
.home-cta-v2 h2 { color: #fff; }
.home-cta-v2 p { color: #b7c9d3; }
.home-cta-v2 .button { color: var(--xc-ink); background: #fff; }
.page-section-v2 { padding-bottom: 88px; }
.feature-grid-v2 article { border-color: var(--xc-silver); border-radius: 8px; box-shadow: none; }
body.is-home .home-v2 > .page-section-v2:last-child { padding-top: 58px; padding-bottom: 64px; }
body.is-home .home-v2 > .page-section-v2:last-child .feature-grid-v2 {
  width: min(980px, 100%);
  margin-right: auto;
  margin-left: auto;
  grid-template-columns: minmax(0, 1fr);
}
body.is-home .home-v2 > .page-section-v2:last-child > .section-label {
  display: block;
  width: min(980px, 100%);
  margin-right: auto;
  margin-left: auto;
}
body.is-home .home-v2 > .page-section-v2:last-child .feature-grid-v2 article {
  min-height: 0;
  width: 100%;
  padding: 34px 38px;
}
body.is-home .home-v2 > .page-section-v2:last-child .feature-grid-v2 article p { max-width: 820px; }

/* The first-screen principles support the hero; they should not dominate it. */
.approved-principles {
  bottom: 24px;
  min-height: 92px;
  margin-top: 0;
  padding: 20px 28px;
  border-radius: 8px;
}
.approved-principles article { padding: 6px 28px; }
.approved-principles strong { font-size: 16px; }
.approved-principles small { font-size: 11px; }

/* Keep the floating assistant clear of legal/footer content. */
.consult-assistant.assistant-clear-footer {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Internal pages use the same visual language without changing content. */
.content-page, .page-hero, main { background: var(--xc-paper); }
.content-page { padding: 72px 0 100px; }
.content-page article {
  border: 1px solid var(--xc-silver);
  border-radius: 8px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 18px 55px rgba(10,39,64,.06);
}
.content-page h1 { max-width: 880px; color: var(--xc-ink); font-size: clamp(36px, 3.35vw, 46px); line-height: 1.25; }
.lead-hero h1, .page-hero-v2 h1, .about-hero-v2 h1 {
  max-width: 820px;
  font-size: clamp(38px, 3.55vw, 50px);
  line-height: 1.2;
}
.content-page h2 { color: var(--xc-ink); }
.content-page p, .content-page li { color: var(--xc-copy); }
.answer, .source-note { border-color: #cbdde4; border-radius: 6px; background: var(--xc-ice); }

/* Reading templates: quiet hierarchy for FAQ, entity facts and long articles. */
.r47-page-faq .content-page > .wrap,
.r47-page-article-detail .content-page > .wrap { width: min(900px, calc(100% - 48px)); }
.r47-page-entity .content-page > .wrap { width: min(980px, calc(100% - 48px)); }
.r47-page-faq .content-page article,
.r47-page-entity .content-page article,
.r47-page-article-detail .content-page article {
  padding: clamp(36px, 5vw, 68px);
  border-color: rgba(220,228,234,.78);
  background: rgba(255,255,255,.96);
  box-shadow: 0 18px 52px rgba(10,39,64,.045);
}
.r47-page-faq .content-page h1,
.r47-page-entity .content-page h1,
.r47-page-article-detail .content-page h1 {
  margin-bottom: 30px;
  font-size: clamp(36px, 3.25vw, 46px);
}
.r47-page-faq .content-page h2 {
  margin: 0;
  padding: 28px 0 10px;
  border-top: 1px solid var(--xc-silver);
  font-size: 22px;
  line-height: 1.45;
}
.r47-page-faq .content-page h1 + h2 { margin-top: 34px; }
.r47-page-faq .content-page h2 + p { margin-top: 0; padding-bottom: 20px; line-height: 1.85; }
.r47-page-faq .content-page article > p:last-child { margin-bottom: 0; }

.r47-page-entity .entity-table {
  width: 100%;
  margin: 22px 0 38px;
  border: 1px solid var(--xc-silver);
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
}
.r47-page-entity .entity-table th,
.r47-page-entity .entity-table td {
  padding: 16px 18px;
  border-right: 1px solid var(--xc-silver);
  border-bottom: 1px solid var(--xc-silver);
  line-height: 1.65;
  text-align: left;
  vertical-align: top;
}
.r47-page-entity .entity-table th { width: 210px; color: var(--xc-ink); background: var(--xc-ice); }
.r47-page-entity .entity-table tr:last-child > * { border-bottom: 0; }
.r47-page-entity .entity-table tr > *:last-child { border-right: 0; }
.r47-page-entity .content-page h2 { margin-top: 48px; padding-top: 30px; border-top: 1px solid var(--xc-silver); }
.r47-page-entity .content-page h1 + p { font-size: 18px; line-height: 1.8; }
.r47-page-entity .entity-note { padding: 16px 18px; border-left: 3px solid var(--xc-cyan); background: var(--xc-ice); }

.r47-page-article-detail .content-page article > p,
.r47-page-article-detail .content-page article > ul,
.r47-page-article-detail .content-page article > ol { font-size: 17px; line-height: 1.9; }
.r47-page-article-detail .content-page h2 { margin-top: 48px; font-size: 28px; line-height: 1.4; }
.r47-page-article-detail .source-note,
.r47-page-article-detail .answer,
.r47-page-article-detail .related-box {
  margin: 26px 0;
  padding: 20px 22px;
  border: 1px solid #cbdde4;
  border-radius: 6px;
  box-shadow: none;
}
.r47-page-article-detail .source-note { background: #f4f8fa; }
.r47-page-article-detail .answer { border-left: 3px solid var(--xc-cyan); background: var(--xc-ice); }
.r47-page-article-detail a { overflow-wrap: anywhere; }

/* Flatten information-heavy indexes so sections read as a system, not nested cards. */
.r47-page-sources .content-page article,
.r47-page-article-list .content-page article { box-shadow: none; }
.r47-page-sources .feature-grid-v2 article,
.r47-page-sources .source-card,
.r47-page-article-list .article-item {
  border-radius: 6px;
  box-shadow: none;
}
.r47-page-article-list .article-item { border-left: 0; border-right: 0; }
.r47-page-article-list .content-page article:has(.article-list),
.r47-page-sources .content-page article.wide {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}
.r47-page-article-list .content-page .article-item {
  border-radius: 0;
  background: rgba(255,255,255,.72);
}
.r47-page-sources .source-ledger {
  border: 1px solid var(--xc-silver);
  border-radius: 8px;
  background: rgba(234,246,247,.62);
  box-shadow: none;
}
.r47-page-sources .source-group-list { gap: 0; margin-top: 36px; }
.r47-page-sources .source-group {
  padding: 34px 0;
  border: 0;
  border-top: 1px solid var(--xc-silver);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.r47-page-sources .source-link-list > a {
  border-radius: 6px;
  box-shadow: none;
  background: rgba(255,255,255,.76);
}

/* Legacy long-form pages: align them with the new editorial system. */
.r47-page-standard .content-page > .wrap,
.r47-page-service .content-page > .wrap {
  width: min(980px, calc(100% - 48px));
}
.r47-page-standard .content-page article,
.r47-page-service .content-page article {
  width: 100%;
  max-width: none;
  padding: clamp(38px, 5vw, 64px);
  border: 1px solid var(--xc-silver);
  border-radius: 8px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 22px 54px rgba(10,39,64,.08);
}
.r47-page-standard .content-page h1,
.r47-page-service .content-page h1 {
  max-width: 820px;
  margin-top: 18px;
  font-size: clamp(36px, 3.2vw, 46px);
  line-height: 1.24;
}
.r47-page-standard .content-page h2,
.r47-page-service .content-page h2 {
  margin-top: 44px;
  font-size: clamp(24px, 2.1vw, 30px);
  line-height: 1.35;
}
.r47-page-standard .content-page p,
.r47-page-standard .content-page li,
.r47-page-service .content-page p,
.r47-page-service .content-page li {
  font-size: 17px;
  line-height: 1.86;
}
.r47-page-contact .consult-assistant { display: none !important; }

/* Keep inner-page heroes present but restrained and reveal the next section. */
.r47-page-service .page-hero-v2,
.r47-page-about .about-hero-v2,
.r47-page-contact .lead-hero { min-height: auto; padding-top: 72px; padding-bottom: 72px; }
.r47-page-service .page-hero-v2 h1,
.r47-page-about .about-hero-v2 h1,
.r47-page-contact .lead-hero h1 {
  max-width: 680px;
  font-size: clamp(38px, 3.1vw, 44px);
  line-height: 1.22;
}
.r47-page-service .page-hero-v2 h1 br,
.r47-page-about .about-hero-v2 h1 br,
.r47-page-contact .lead-hero h1 br { display: none; }
.r47-page-faq .consult-assistant.has-nudge .assistant-launcher::before,
.r47-page-entity .consult-assistant.has-nudge .assistant-launcher::before,
.r47-page-article-detail .consult-assistant.has-nudge .assistant-launcher::before,
.r47-page-sources .consult-assistant.has-nudge .assistant-launcher::before,
.r47-page-article-list .consult-assistant.has-nudge .assistant-launcher::before { display: none; }

.site-footer { color: #9fb5c3; background: #071e33; }
.site-footer strong, .site-footer a { color: #fff; }
.footer-links a:hover { color: #6be0e3; }

/* Consultation assistant: small nudge first, full panel only after click. */
.assistant-launcher {
  right: 24px;
  bottom: 22px;
  min-width: 0;
  width: 62px;
  height: 62px;
  padding: 9px;
  border: 1px solid rgba(0,170,181,.65);
  border-radius: 8px;
  background: #075b70;
  box-shadow: 0 16px 45px rgba(10,39,64,.24);
}
.assistant-launcher > span:not(.assistant-avatar) { display: none; }
.assistant-launcher > i { right: -2px; top: -4px; }
.assistant-avatar {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  overflow: hidden;
  border-radius: 8px;
  background: #071e33;
}
.assistant-avatar img { width: 100%; height: 100%; object-fit: cover; }
.assistant-window {
  right: 24px;
  bottom: 92px;
  width: min(390px, calc(100vw - 32px));
  height: min(650px, calc(100vh - 120px));
  max-height: min(650px, calc(100vh - 120px));
  display: flex;
  flex-direction: column;
  border: 1px solid #c9dce3;
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(10,39,64,.24);
}
.assistant-window > header,
.assistant-window > footer { flex: 0 0 auto; }
.assistant-window > header { background: #075b70; }
.assistant-chat {
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.assistant-options[hidden] { display: none !important; }
.assistant-options button, .assistant-options a, .assistant-form input { border-color: var(--xc-silver); border-radius: 6px; }
.assistant-options button:hover, .assistant-options a:hover { border-color: var(--xc-cyan); background: var(--xc-ice); }
.assistant-submit {
  position: sticky;
  bottom: 0;
  z-index: 2;
  margin-top: 2px;
  border-radius: 6px;
  background: var(--xc-cyan-dark);
  box-shadow: 0 -10px 18px rgba(255,255,255,.94);
}
.consult-assistant.has-nudge .assistant-launcher::before {
  content: "你好，需要先判断从哪里开始吗？";
  position: absolute;
  right: 0;
  bottom: calc(100% + 10px);
  width: max-content;
  max-width: 270px;
  padding: 11px 14px;
  border: 1px solid #cbdde4;
  border-radius: 6px;
  color: var(--xc-ink);
  background: rgba(255,255,255,.96);
  box-shadow: 0 12px 35px rgba(10,39,64,.14);
  font-size: 13px;
}
[data-assistant-greeting] { display: none !important; }
.consult-assistant:has([data-assistant-greeting]).has-nudge .assistant-launcher::before { display: block; }

@media (max-width: 900px) {
  .wrap { width: min(100% - 32px, 1180px); }
  .nav { min-height: 70px; }
  .brand-mark { width: 44px; height: 44px; }
  .brand-copy small { display: none; }
  .home-hero-v2 {
    min-height: auto;
    background-image:
      linear-gradient(180deg, rgba(246,249,251,.55) 0%, rgba(246,249,251,.84) 50%, rgba(246,249,251,1) 78%),
      image-set(url("/assets/design/silver-source-ring-hero.webp?v=20260831-r51-1") type("image/webp"), url("/assets/design/silver-source-ring-hero.png?v=20260831-r51-1") type("image/png"));
    background-position: center, 67% top;
    background-size: cover, auto 520px;
  }
  .home-hero-grid { min-height: 700px; grid-template-columns: 1fr; align-items: end; padding: 310px 0 150px; }
  .hero-copy-v2 { max-width: 600px; }
  .approved-hero-visual { display: none; }
  .approved-principles { bottom: 22px; }
  .method-v2 { padding: 76px 16px; }
}

@media (max-width: 600px) {
  .wrap { width: min(100% - 28px, 1180px); }
  .nav { position: relative; }
  .mobile-menu-button {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    margin-left: auto;
    padding: 0;
    border: 1px solid #aac5d1;
    border-radius: 6px;
    color: var(--xc-ink);
    background: rgba(255,255,255,.72);
    font-size: 24px;
    line-height: 1;
  }
  .nav-links {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 10px 14px 14px;
    border: 1px solid var(--xc-silver);
    border-top: 0;
    background: rgba(246,249,251,.98);
    box-shadow: 0 18px 42px rgba(10,39,64,.14);
  }
  .mobile-menu-open .nav-links { display: grid; }
  .mobile-menu-open .consult-assistant { display: none; }
  .nav-links > a,
  .nav-links > a:not(.nav-cta) {
    display: flex;
    min-height: 46px;
    align-items: center;
    padding: 0 12px;
    border-bottom: 1px solid rgba(220,228,234,.78);
  }
  .nav-links > a::after { display: none; }
  .nav-links .nav-cta {
    justify-content: center;
    margin-top: 10px;
    border-bottom: 1px solid #aac5d1 !important;
  }
  .home-hero-v2 { background-size: cover, auto 370px; background-position: center, 63% top; }
  .home-hero-grid { min-height: 680px; padding: 255px 0 176px; }
  .hero-copy-v2 .eyebrow { min-height: 36px; padding: 0 14px; font-size: 12px; }
  .hero-copy-v2 h1 { margin-top: 18px; font-size: 32px; }
  .hero-copy-v2 > p { font-size: 15px; line-height: 1.75; }
  .hero-actions-v2 { align-items: flex-start; flex-direction: column; }
  .hero-contact-v2 { display: none; }
  .approved-principles { display: grid; grid-template-columns: repeat(3,1fr); width: calc(100% - 28px); }
  .approved-principles article { min-width: 0; padding: 12px 8px; }
  .approved-principles article b { display: none; }
  .approved-principles strong { font-size: 12px; }
  .approved-principles small { display: none; }
  .intro-v2 { padding-top: 68px; }
  .journey-grid { padding-bottom: 68px; }
  .evidence-section, .method-v2, .sectors-v2, .article-section-v2 { padding-top: 72px; padding-bottom: 72px; }
  .home-cta-v2 { width: calc(100% - 28px); }
  .content-page { padding: 48px 0 72px; }
  .content-page article { padding: 24px 20px; }
  .content-page h1,
  .r47-page-faq .content-page h1,
  .r47-page-entity .content-page h1,
  .r47-page-article-detail .content-page h1 { font-size: 32px; line-height: 1.3; }
  .lead-hero h1, .page-hero-v2 h1, .about-hero-v2 h1 { font-size: 34px; line-height: 1.25; }
  .r47-page-faq .content-page > .wrap,
  .r47-page-entity .content-page > .wrap,
  .r47-page-article-detail .content-page > .wrap,
  .r47-page-standard .content-page > .wrap,
  .r47-page-service .content-page > .wrap { width: min(100% - 28px, 980px); }
  .r47-page-standard .content-page article,
  .r47-page-service .content-page article { padding: 28px 20px; }
  .r47-page-standard .content-page h1,
  .r47-page-service .content-page h1 { font-size: 30px; }
  .r47-page-standard .content-page p,
  .r47-page-standard .content-page li,
  .r47-page-service .content-page p,
  .r47-page-service .content-page li { font-size: 16px; }
  .r47-page-faq .content-page h2 { padding-top: 24px; font-size: 20px; }
  .r47-page-entity .entity-table,
  .r47-page-entity .entity-table tbody,
  .r47-page-entity .entity-table tr,
  .r47-page-entity .entity-table th,
  .r47-page-entity .entity-table td { display: block; width: 100%; }
  .r47-page-entity .entity-table tr:not(:last-child) { border-bottom: 1px solid var(--xc-silver); }
  .r47-page-entity .entity-table th,
  .r47-page-entity .entity-table td { border: 0; padding: 12px 14px; }
  .r47-page-entity .entity-table th { padding-bottom: 5px; font-size: 13px; }
  .r47-page-entity .entity-table td { padding-top: 4px; overflow-wrap: anywhere; }
  .r47-page-article-detail .content-page article > p,
  .r47-page-article-detail .content-page article > ul,
  .r47-page-article-detail .content-page article > ol { font-size: 16px; line-height: 1.82; }
  .r47-page-article-detail .content-page h2 { margin-top: 38px; font-size: 24px; }
  .r47-page-sources .source-group { grid-template-columns: minmax(0, 1fr); }
  .r47-page-sources .source-group > *,
  .r47-page-sources .source-link-list,
  .r47-page-sources .source-link-list > a { min-width: 0; width: 100%; }
  .r47-page-sources .source-link-list > a { overflow-wrap: anywhere; }
  .r47-page-service .page-hero-v2,
  .r47-page-about .about-hero-v2,
  .r47-page-contact .lead-hero { padding-top: 48px; padding-bottom: 52px; }
  .assistant-launcher {
    right: 14px;
    bottom: 14px;
    min-width: 0;
    width: 58px;
    height: 58px;
    padding: 7px;
    border-radius: 8px;
  }
  .assistant-launcher > span:not(.assistant-avatar),
  .assistant-launcher > i { display: none; }
  .assistant-launcher .assistant-avatar { width: 42px; height: 42px; }
  .assistant-window { right: 14px; bottom: 82px; width: calc(100vw - 28px); height: calc(100vh - 105px); max-height: calc(100vh - 105px); }
  .consult-assistant.has-nudge .assistant-launcher::before { right: 0; max-width: 235px; font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* Selected light hero: the first view introduces the system; details continue below. */
.is-home .home-hero-v2 {
  min-height: 720px;
  background-image: linear-gradient(90deg,rgba(248,251,253,.98) 0%,rgba(248,251,253,.88) 34%,rgba(248,251,253,.1) 60%),image-set(url('/assets/design/silver-source-ring-hero.webp?v=20260831-r51-1') type('image/webp'),url('/assets/design/silver-source-ring-hero.png?v=20260831-r51-1') type('image/png'));
  background-size: cover,cover;
  background-position: center,center;
}
.is-home .home-hero-v2::after { background: linear-gradient(180deg,rgba(255,255,255,0) 70%,rgba(247,251,253,.9)); }
.is-home .home-hero-grid { min-height: 720px; grid-template-columns: minmax(340px,.72fr) minmax(600px,1.28fr); align-items: center; padding: 90px 0 60px; }
.is-home .hero-copy-v2 { position: relative; z-index: 4; max-width: 480px; padding-top: 44px; }
.is-home .hero-copy-v2 > p { margin-top: 28px; font-size: 18px; line-height: 2; }
.is-home .hero-copy-v2 .eyebrow { max-width: max-content; }
.is-home .approved-hero-visual { display: block; position: relative; min-height: 560px; opacity: 1; pointer-events: none; }
.hero-source-node,.hero-visible-node,.hero-ai-node { position: absolute; z-index: 3; display: flex; flex-direction: column; justify-content: center; border: 1px solid rgba(124,157,181,.34); color: var(--xc-ink); background: rgba(255,255,255,.82); box-shadow: 0 16px 45px rgba(26,68,98,.11); backdrop-filter: blur(12px); }
.hero-source-node,.hero-visible-node { width: 190px; min-height: 76px; padding: 14px 20px; border-radius: 8px; }
.hero-source-node { left: 1%; top: 43%; }
.hero-visible-node { right: 0; top: 44%; }
.hero-source-node b,.hero-visible-node b { font-size: 18px; }
.hero-source-node small,.hero-visible-node small { margin-top: 4px; color: #557085; font-size: 12px; }
.hero-ai-node { left: 50%; top: 48%; width: 110px; height: 110px; align-items: center; transform: translate(-50%,-50%); border-radius: 50%; }
.hero-ai-node img { width: 44px; height: 44px; border-radius: 12px; }
.hero-ai-node b { margin-top: 5px; font-size: 15px; }
.home-message-bridge { background: #f7fbfd; }
.home-message-bridge > .wrap { display: grid; grid-template-columns: minmax(320px,.85fr) minmax(560px,1.15fr); gap: 70px; align-items: end; padding-top: 76px; padding-bottom: 72px; }
.bridge-title h1 { margin: 18px 0 0; color: var(--xc-ink); font-size: clamp(44px,5vw,72px); line-height: .98; letter-spacing: 0; }
.bridge-title h1 em { color: var(--xc-cyan-dark); font-style: normal; }
.home-message-bridge .approved-principles { position: static; width: 100%; transform: none; box-shadow: none; background: rgba(255,255,255,.8); }
.is-home .intro-v2 { padding-top: 88px; }

@media (max-width: 980px) {
  .is-home .home-hero-grid { grid-template-columns: 1fr; min-height: 720px; padding: 300px 0 76px; }
  .is-home .approved-hero-visual { display: none; }
  .home-message-bridge > .wrap { grid-template-columns: 1fr; gap: 38px; }
}

@media (max-width: 640px) {
  .is-home .home-hero-v2 { min-height: 650px; background-size: cover,auto 390px; background-position: center,62% top; }
  .is-home .home-hero-grid { min-height: 650px; padding: 258px 0 64px; }
  .is-home .hero-copy-v2 { padding-top: 0; }
  .is-home .hero-copy-v2 > p { margin-top: 20px; font-size: 15px; line-height: 1.75; }
  .home-message-bridge > .wrap { padding-top: 58px; padding-bottom: 54px; }
  .bridge-title h1 { font-size: 42px; }
  .home-message-bridge .approved-principles { display: grid; grid-template-columns: repeat(3,1fr); }
}

/* Hero alignment correction after visual comparison with the approved mockup. */
.is-home .home-hero-grid { grid-template-columns: minmax(360px,.8fr) minmax(650px,1.2fr); gap: 46px; }
.is-home .hero-copy-v2 { max-width: 440px; }
.is-home .approved-hero-visual { min-height: 540px; transform: translateX(18px); }
.is-home .hero-source-node,
.is-home .hero-visible-node {
  width: 158px;
  min-height: 62px;
  padding: 10px 15px;
  border-color: rgba(91,137,168,.28);
  background: rgba(250,253,255,.74);
  box-shadow: 0 10px 30px rgba(26,68,98,.08);
}
.is-home .hero-source-node { left: 13%; top: 45%; }
.is-home .hero-visible-node { right: 3%; top: 45%; }
.is-home .hero-source-node b,
.is-home .hero-visible-node b { font-size: 15px; }
.is-home .hero-source-node small,
.is-home .hero-visible-node small { font-size: 10px; }
.is-home .hero-ai-node {
  top: 49%;
  width: 76px;
  height: 76px;
  border-color: rgba(91,137,168,.22);
  background: rgba(250,253,255,.72);
  box-shadow: 0 8px 25px rgba(26,68,98,.08);
}
.is-home .hero-ai-node img { width: 32px; height: 32px; border-radius: 8px; }
.is-home .hero-ai-node b { margin-top: 2px; font-size: 11px; }
.is-home .consult-assistant.has-nudge .assistant-launcher::before { display: none; }

@media (max-width: 980px) {
  .is-home .home-hero-grid { grid-template-columns: 1fr; gap: 0; }
}

/* Desktop rhythm and overflow correction: every full-width band uses one shared grid. */
.is-home .home-v2,
.is-home .home-v2 > section,
.is-home .intro-v2,
.is-home .journey-grid,
.is-home .article-section-v2,
.is-home .page-section-v2,
.is-home .method-v2 { box-sizing: border-box; }
.is-home .home-v2 { overflow: clip; }
.is-home .intro-v2,
.is-home .journey-grid,
.is-home .article-section-v2,
.is-home .page-section-v2 { width: 100%; max-width: none; }

.is-home .home-hero-v2 { min-height: 660px; }
.is-home .home-hero-grid {
  min-height: 660px;
  grid-template-columns: 420px minmax(0,760px);
  gap: 0;
  padding-top: 72px;
  padding-bottom: 48px;
}
.is-home .approved-hero-visual { min-width: 0; min-height: 500px; transform: none; }
.is-home .hero-source-node { left: 16%; }
.is-home .hero-visible-node { right: 5%; }

.home-message-bridge > .wrap {
  grid-template-columns: minmax(0,500px) minmax(0,610px);
  gap: 70px;
  align-items: center;
  padding-top: 64px;
  padding-bottom: 64px;
}
.bridge-title h1 { font-size: clamp(46px,4.2vw,62px); line-height: 1.04; }
.home-message-bridge .approved-principles { min-width: 0; }
.home-message-bridge .approved-principles article { min-width: 0; padding: 18px 20px; }
.home-message-bridge .approved-principles strong { font-size: 15px; }

.is-home .intro-v2 { padding-top: 72px; padding-bottom: 34px; }
.is-home .journey-grid { padding-bottom: 64px; }
.is-home .journey-grid article { min-height: 150px; padding-top: 24px; padding-bottom: 24px; }
.is-home .evidence-section { padding-top: 76px; padding-bottom: 76px; }
.is-home .method-v2 { padding-top: 76px; padding-bottom: 76px; }
.is-home .method-steps-v2 article { min-height: 156px; padding: 28px 26px; }
.is-home .sectors-v2 { padding-top: 76px; padding-bottom: 76px; }
.is-home .article-section-v2 { padding-top: 76px; padding-bottom: 62px; }
.is-home .home-cta-v2 { box-sizing: border-box; margin-top: 22px; margin-bottom: 22px; padding-top: 58px; padding-bottom: 58px; }
.is-home .home-cta-v2 h2 { font-size: 38px; line-height: 1.2; }

@media (min-width: 981px) {
  .is-home .intro-v2,
  .is-home .article-section-v2,
  .is-home .page-section-v2 {
    padding-left: max(24px,calc((100% - 1180px)/2));
    padding-right: max(24px,calc((100% - 1180px)/2));
  }
  .is-home .journey-grid {
    padding-left: max(24px,calc((100% - 1180px)/2));
    padding-right: max(24px,calc((100% - 1180px)/2));
  }
}

@media (max-width: 980px) {
  .is-home .home-hero-grid { min-height: 680px; padding: 290px 0 70px; }
  .home-message-bridge > .wrap { grid-template-columns: 1fr; }
}

/* Quiet hero motion: data travels, the AI node responds, and the composition stays stable. */
.is-home .approved-hero-visual {
  --mx: 0;
  --my: 0;
  transition: transform .7s cubic-bezier(.2,.8,.2,1);
  transform: translate3d(calc(var(--mx) * 10px),calc(var(--my) * 7px),0);
}
.is-home .approved-hero-visual::before {
  content: "";
  position: absolute;
  z-index: 2;
  left: 8%;
  right: 4%;
  top: 47%;
  height: 4px;
  border-radius: 999px;
  opacity: .6;
  background: linear-gradient(90deg,transparent 0%,rgba(37,199,211,.08) 20%,rgba(68,223,231,.92) 48%,rgba(37,199,211,.12) 74%,transparent 100%);
  background-size: 42% 100%;
  filter: blur(.3px);
  animation: xc-data-travel 5.8s linear infinite;
}
.is-home .approved-hero-visual::after {
  content: "";
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 49%;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(49,205,215,.3);
  border-radius: 50%;
  transform: translate(-50%,-50%) scale(.7);
  animation: xc-signal-ring 3.6s ease-out infinite;
}
.is-home .hero-source-node { animation: xc-node-float 6s ease-in-out infinite; }
.is-home .hero-visible-node { animation: xc-node-float 6s ease-in-out -3s infinite; }
.is-home .hero-ai-node { animation: xc-ai-breathe 3.6s ease-in-out infinite; }
.is-home .hero-copy-v2 .eyebrow::after { animation: xc-status-pulse 2.2s ease-in-out infinite; }

@keyframes xc-data-travel {
  from { background-position: -55% 0; }
  to { background-position: 155% 0; }
}
@keyframes xc-signal-ring {
  0% { opacity: .58; transform: translate(-50%,-50%) scale(.62); }
  72%,100% { opacity: 0; transform: translate(-50%,-50%) scale(1.22); }
}
@keyframes xc-node-float {
  0%,100% { translate: 0 0; }
  50% { translate: 0 -5px; }
}
@keyframes xc-ai-breathe {
  0%,100% { box-shadow: 0 8px 25px rgba(26,68,98,.08),0 0 0 0 rgba(36,201,211,0); }
  50% { box-shadow: 0 12px 32px rgba(26,68,98,.12),0 0 0 10px rgba(36,201,211,.09); }
}

/* Mobile first viewport: keep the visual, but reveal the core message sooner. */
@media (max-width: 640px) {
  .is-home .home-hero-v2 {
    min-height: 600px;
    background-size: cover,auto 310px;
    background-position: center,64% top;
  }
  .is-home .home-hero-grid {
    min-height: 600px;
    grid-template-columns: minmax(0,1fr);
    padding: 300px 0 42px;
  }
  .is-home .hero-copy-v2 {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }
  .is-home .hero-copy-v2 > *,
  .is-home .hero-actions-v2 { max-width: 100%; }
  .is-home .hero-copy-v2 > p { margin-top: 16px; }
  .is-home .hero-actions-v2 { margin-top: 20px; }
  .home-message-bridge > .wrap { padding-top: 42px; }
}
@keyframes xc-status-pulse {
  0%,100% { opacity: .45; transform: scale(.85); }
  50% { opacity: 1; transform: scale(1.12); }
}

@media (prefers-reduced-motion: reduce) {
  .is-home .approved-hero-visual,
  .is-home .approved-hero-visual::before,
  .is-home .approved-hero-visual::after,
  .is-home .hero-source-node,
  .is-home .hero-visible-node,
  .is-home .hero-ai-node,
  .is-home .hero-copy-v2 .eyebrow::after { animation: none !important; transform: none; translate: none; }
}

/* Integrate the three labels into the instrument instead of covering it with cards. */
.is-home .hero-source-node,
.is-home .hero-visible-node {
  width: 148px;
  min-height: 0;
  padding: 10px 12px 9px;
  overflow: visible;
  border: 0;
  border-bottom: 1px solid rgba(20,149,161,.48);
  border-radius: 0;
  background: linear-gradient(90deg,rgba(247,252,254,.86),rgba(247,252,254,.42));
  box-shadow: none;
  backdrop-filter: blur(5px);
  top: 47%;
  transform: translateY(-50%);
}
.is-home .hero-source-node::before,
.is-home .hero-visible-node::before {
  content: "";
  position: absolute;
  top: 50%;
  width: 42px;
  height: 1px;
  background: linear-gradient(90deg,rgba(20,149,161,.7),rgba(20,149,161,0));
}
.is-home .hero-source-node::after,
.is-home .hero-visible-node::after {
  content: "";
  position: absolute;
  top: calc(50% - 3px);
  width: 7px;
  height: 7px;
  border: 1px solid rgba(20,149,161,.78);
  border-radius: 50%;
  background: rgba(238,253,255,.9);
  box-shadow: 0 0 10px rgba(31,206,217,.55);
}
.is-home .hero-source-node::before { right: -42px; }
.is-home .hero-source-node::after { right: -47px; }
.is-home .hero-visible-node::before { left: -42px; transform: rotate(180deg); }
.is-home .hero-visible-node::after { left: -47px; }
.is-home .hero-source-node b,
.is-home .hero-visible-node b { font-size: 14px; letter-spacing: 0; }
.is-home .hero-source-node small,
.is-home .hero-visible-node small { margin-top: 2px; font-size: 10px; }
.is-home .hero-ai-node {
  left: 50%;
  top: 47%;
  width: 72px;
  height: 72px;
  padding: 7px 5px 5px;
  justify-content: flex-start;
  border: 1px solid rgba(50,209,219,.65);
  background: rgba(5,30,52,.9);
  box-shadow: 0 0 0 7px rgba(242,253,255,.38),0 0 28px rgba(23,196,207,.34);
  backdrop-filter: blur(4px);
}
.is-home .hero-source-node { left: 20%; top: 47%; }
.is-home .hero-visible-node { top: 47%; right: 10%; }
.is-home .approved-hero-visual::after { left: 50%; top: 47%; }
.is-home .hero-ai-node img { width: 36px; height: 36px; border-radius: 8px; }
.is-home .hero-ai-node b {
  position: static;
  width: auto;
  margin-top: 3px;
  color: #e9fbff;
  font-size: 10px;
  text-align: center;
  text-shadow: none;
}
@keyframes xc-ai-breathe {
  0%,100% { box-shadow: 0 0 0 7px rgba(242,253,255,.38),0 0 22px rgba(23,196,207,.24); }
  50% { box-shadow: 0 0 0 10px rgba(242,253,255,.25),0 0 38px rgba(23,196,207,.5); }
}

/* R49 accessibility pass: final overrides stay after responsive rules. */
.journey-grid p,
.evidence-grid > div > p,
.report-preview header small,
.report-score small,
.report-row span,
.report-preview footer,
.sectors-grid > div > p,
.scope-note,
.sector-list small,
.article-list-v2 small,
.feature-grid-v2 p { color: #526b7c; }
.evidence-grid .text-link,
.sector-list b,
.article-list-v2 b { color: #006f79; }

/* R49 contrast gate. */
.journey-grid p,
.evidence-grid > div > p,
.report-preview header small,
.report-score small,
.report-row span,
.report-preview footer,
.sectors-grid > div > p,
.scope-note,
.sector-list small,
.article-list-v2 small,
.feature-grid-v2 p { color: #526b7c !important; }
.evidence-grid .text-link,
.sector-list b,
.article-list-v2 b { color: #006f79 !important; }
.report-preview header img { width: 40px; height: 40px; }