:root {
  --blue: #0057d9;
  --blue-bright: #0064ff;
  --blue-deep: #06152f;
  --cyan: #12bfc9;
  --green: #20aa72;
  --ink: #161b26;
  --text: #566174;
  --muted: #667186;
  --line: #e2e8f0;
  --line-blue: #c9dcf5;
  --soft: #f5f9ff;
  --soft-blue: #eaf4ff;
  --white: #ffffff;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 12px 32px rgba(15, 47, 91, 0.08);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 1120px;
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
[id] { scroll-margin-top: 72px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid #0048b8;
  outline-offset: 3px;
}
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.container { width: min(1200px, calc(100% - 80px)); margin: 0 auto; }
.skip-link {
  position: fixed; z-index: 999; left: 16px; top: 12px; padding: 10px 14px;
  color: #fff; background: #06152f; border-radius: 8px; transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.page { min-height: 100vh; background: #fff; }

.site-announcement, .topbar {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 5px 24px;
  color: #064cae;
  background: #dcebff;
  border-bottom: 1px solid #c9ddf8;
  font-size: 13px;
  font-weight: 600;
}
.site-announcement-inner { display: flex; align-items: center; justify-content: center; gap: 14px; }
.site-announcement a, .topbar a { color: #0049b8; font-weight: 700; }
.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #fff;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.nav {
  height: 72px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 40px;
}
.brand, .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.brand-mark, .footer-logo-mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  color: #fff;
  background: var(--blue);
  border-radius: 9px;
  font-size: 17px;
  font-weight: 800;
}
.nav-links { display: flex; align-items: center; justify-content: center; gap: 34px; color: #47546a; font-size: 15px; font-weight: 600; white-space: nowrap; }
.nav-links a { position: relative; padding: 24px 0; }
.nav-links a::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: 15px; height: 2px; background: var(--blue-bright); transition: left .2s ease, right .2s ease; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--blue); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { left: 0; right: 0; }
.nav-actions { display: flex; align-items: center; gap: 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn-primary { color: #fff; background: var(--blue); border-color: var(--blue); }
.btn-primary:hover { background: #0048b8; border-color: #0048b8; }
.btn-secondary { color: var(--blue); background: #fff; border-color: #a9c8ef; }
.btn-secondary:hover { color: #0048b8; border-color: #76a8e6; background: #f8fbff; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  padding-top: 78px;
  padding-bottom: 78px;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0 calc(50% - 50vw);
  background: #eef6ff;
  border-bottom: 1px solid #dbe8f8;
}
.hero::after {
  display: none;
}
.hero.container, .hero-grid {
  display: grid;
  grid-template-columns: 6fr 6fr;
  gap: 48px;
  align-items: center;
}
.hero-grid { width: min(1200px, calc(100% - 80px)); margin: 0 auto; }
.hero h1 {
  max-width: 570px;
  margin: 0 0 20px;
  font-size: 52px;
  line-height: 1.16;
  letter-spacing: -0.05em;
  font-weight: 700;
}
.hero p { max-width: 560px; margin: 0; color: #56657b; font-size: 17px; line-height: 1.82; }
.narrow-desktop-break { display: none; }
.hero .lead, .hero-subtitle, .hero-kicker { margin-bottom: 12px; color: var(--blue); font-size: 17px; font-weight: 700; }
.hero-actions { display: flex; align-items: center; gap: 12px; margin-top: 30px; }
.hero-visual, .hero-media {
  position: relative;
  min-height: 410px;
  display: grid;
  place-items: center;
}
.hero-visual::before, .hero-media::before {
  content: "";
  position: absolute;
  width: 480px;
  height: 330px;
  right: -24px;
  top: 40px;
  border-radius: 48% 20% 48% 30%;
  background: #dcecff;
  transform: rotate(-7deg);
  display: none;
}
.hero-visual img, .hero-media img {
  position: relative;
  z-index: 1;
  width: 620px;
  max-height: 420px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

/* 新一轮图片依靠真实任务状态形成活力，保留照片与界面的原始层次。 */
.hero-visual img.hero-asset,
.hero-media img.hero-asset { mix-blend-mode: normal; }
.hero img[src*="info-flat-20260714"] {
  mix-blend-mode: multiply !important;
  filter: none !important;
  -webkit-mask-image: radial-gradient(ellipse 92% 88% at 50% 50%, #000 58%, rgba(0, 0, 0, .9) 74%, transparent 100%);
  mask-image: radial-gradient(ellipse 92% 88% at 50% 50%, #000 58%, rgba(0, 0, 0, .9) 74%, transparent 100%);
}
.hero--arch .hero-media img.hero-asset { width: 680px; max-height: 430px; }
.hero--ribbons .hero-visual img.hero-asset { width: 680px; max-height: 430px; }
.hero--ribbons h1 { font-size: 50px; }
.hero--paths .hero-visual img.hero-asset { width: 660px; max-height: 430px; }
.hero--map .hero-visual img.hero-asset { width: 660px; max-height: 430px; }
.hero--dialog .hero-visual img.hero-asset,
.hero--keyhole .hero-visual img.hero-asset { width: 660px; max-height: 430px; }
.hero--balance .hero-visual img.hero-asset { width: 660px; max-height: 430px; }

/* 各页面使用不同构图，避免同一视觉模板反复出现。 */
.hero--arch .hero-grid,
.hero--advisors .hero-grid,
.hero--editorial .hero-grid { grid-template-columns: 6fr 6fr; gap: 36px; }
.hero--arch .hero-media img { width: 720px; max-width: none; max-height: 450px; }
.hero--advisors .hero-media img { width: 680px; max-width: none; max-height: 430px; }
.hero--editorial .hero-visual img { width: 680px; max-width: none; max-height: 455px; }
.hero--map .hero-grid { grid-template-columns: 6fr 6fr; }
.hero--paths .hero-grid { grid-template-columns: 6fr 6fr; }
.hero--balance .hero-grid { grid-template-columns: 6.5fr 5.5fr; }

.section { position: relative; padding: 104px 0; }
.section.alt { background: var(--soft); }
.section--registry { padding-bottom: 72px; }
.section-head { max-width: 760px; margin-bottom: 54px; }
.section-head h2, .section-title {
  margin: 0;
  font-size: 40px;
  line-height: 1.24;
  letter-spacing: -0.04em;
  font-weight: 700;
}
.section-head p, .lead { margin: 16px 0 0; color: var(--text); font-size: 16px; line-height: 1.84; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0; color: var(--blue); font-size: 14px; font-weight: 700; }
.eyebrow::before { content: ""; width: 22px; height: 3px; background: var(--blue-bright); border-radius: 999px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }

.grid, .grid-3, .grid-4 { display: grid; gap: 0; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.four, .grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.info-card {
  min-height: 158px;
  padding: 24px 30px 24px 0;
  border-top: 1px solid var(--line-blue);
  background: transparent;
}
.info-card + .info-card { padding-left: 30px; border-left: 1px solid var(--line); }
.grid.two .info-card:nth-child(3) { border-left: 0; padding-left: 0; }
.info-card h3 { margin: 0; font-size: 19px; line-height: 1.45; }
.info-card p { margin: 11px 0 0; color: var(--text); font-size: 14px; line-height: 1.75; }
.scenario-spec { display: grid; grid-template-columns: 62px 1fr; gap: 8px 12px; margin: 16px 0 0; font-size: 13px; line-height: 1.65; }
.scenario-spec dt { color: var(--blue); font-weight: 700; }
.scenario-spec dd { margin: 0; color: var(--text); }
.scenario-card { min-height: 240px; padding-top: 28px; }
.scenario-label {
  display: block;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: .04em;
}
.scenario-card h3 { font-size: 18px; line-height: 1.5; }
.scenario-card p { margin-top: 14px; font-size: 14px; line-height: 1.78; }

.cert-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.cert-card { min-width: 0; }
.cert-card:first-child { grid-column: span 6; }
.cert-card:nth-child(2), .cert-card:nth-child(3) { grid-column: span 3; }
.cert-card:nth-child(n+4) { grid-column: span 4; }
.cert-card:first-child .cert-image,
.cert-card:nth-child(2) .cert-image,
.cert-card:nth-child(3) .cert-image {
  height: 404px;
  aspect-ratio: auto;
}
.cert-image {
  aspect-ratio: var(--cert-ratio, 4 / 3);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.cert-image img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.cert-card h3 { margin: 15px 0 0; font-size: 17px; }
.cert-card p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

.media-frame {
  position: relative;
  min-height: 340px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-top: 1px solid var(--line-blue);
  border-bottom: 1px solid var(--line-blue);
}
.media-frame img { width: 100%; max-height: 320px; object-fit: contain; mix-blend-mode: multiply; }

.faq-list { border-top: 1px solid var(--line-blue); }
.faq-item { display: grid; grid-template-columns: 340px 1fr; gap: 44px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.faq-item h3 { margin: 0; font-size: 18px; line-height: 1.6; }
.faq-item p { margin: 0; color: var(--text); font-size: 15px; line-height: 1.82; }

.form-card {
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow);
}
.form-grid { display: grid; gap: 18px; }
.form-card .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 16px; }
.form-card .field--full,
.form-card .checkbox,
.form-card .form-note,
.form-card .form-status,
.form-card .form-grid > .btn { grid-column: 1 / -1; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: grid; gap: 8px; color: #324159; font-size: 14px; font-weight: 600; }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 13px;
  color: var(--ink);
  border: 1px solid #cfd8e5;
  border-radius: 8px;
  background: #fff;
  font-size: 14px;
  font-weight: 450;
}
.field textarea { min-height: 132px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #667186; }
.submit-btn { width: 100%; margin-top: 8px; }
.checkbox { display: flex; align-items: flex-start; gap: 9px; color: #566174; font-size: 13px; line-height: 1.65; }
.checkbox input { width: 16px; height: 16px; margin: 3px 0 0; accent-color: var(--blue); }
.form-note { margin: -2px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.form-status { min-height: 22px; margin: -4px 0 0; color: #b42318; font-size: 13px; }
.form-status.success { color: #147a52; }

.support-card { padding: 22px 0; border-top: 1px solid var(--line); }
.support-card:first-child { border-top: 1px solid var(--line-blue); }
.support-card h3 { margin: 0; font-size: 18px; }
.support-card p { margin: 8px 0 0; color: var(--text); font-size: 14px; }

.flow-panel { border-top: 1px solid var(--line-blue); }
.flow-items { display: grid; grid-template-columns: repeat(3, 1fr); }
.flow-item { position: relative; min-height: 185px; padding: 28px 36px 28px 0; border-bottom: 1px solid var(--line); }
.flow-item + .flow-item { padding-left: 36px; border-left: 1px solid var(--line); }
.flow-num { color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .1em; }
.flow-item h3 { margin: 12px 0 8px; font-size: 19px; }
.flow-item p { margin: 0; color: var(--text); font-size: 14px; }

.article-list, .article-list-rich { border-top: 1px solid var(--line-blue); }
.article-row, .article-row-rich { display: grid; grid-template-columns: 150px 1fr auto; gap: 28px; align-items: start; padding: 28px 0; border-bottom: 1px solid var(--line); }
.article-row h3, .article-row-rich h3 { margin: 0; font-size: 19px; line-height: 1.5; }
.article-row p, .article-row-rich p { margin: 8px 0 0; color: var(--text); font-size: 14px; }
.article-date, .article-tag { color: var(--blue); font-size: 13px; font-weight: 700; }
.source-link { color: var(--blue); font-size: 14px; font-weight: 700; white-space: nowrap; }
.source-note { color: var(--muted); font-size: 13px; }
.news-feature-card { padding: 32px 0; border-top: 1px solid var(--line-blue); }
.news-feature-card h3 { margin: 0; font-size: 23px; }
.news-feature-card p { max-width: 860px; color: var(--text); }
.news-feature-list { display: grid; gap: 16px; margin-top: 24px; }
.news-feature-meta { display: flex; gap: 16px; color: var(--muted); font-size: 13px; }
.news-body { color: var(--text); }

.legal-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 72px;
  align-items: start;
}
.legal-toc {
  position: sticky;
  top: 112px;
  padding-top: 18px;
  border-top: 1px solid var(--line-blue);
}
.legal-toc-kicker { margin: 0 0 14px; color: var(--ink); font-size: 14px; font-weight: 700; }
.legal-toc nav { display: grid; }
.legal-toc a {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 8px;
  padding: 8px 0;
  color: #5d687a;
  border-bottom: 1px solid rgba(207, 218, 232, .7);
  font-size: 13px;
  line-height: 1.45;
}
.legal-toc a span { color: var(--blue); font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.legal-toc a:hover, .legal-toc a:focus-visible { color: var(--blue); }
.legal-doc { width: auto; min-width: 0; margin: 0; }
.legal-meta { display: flex; gap: 24px; flex-wrap: wrap; padding: 18px 0; border-top: 1px solid var(--line-blue); border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.legal-doc article { padding: 34px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 118px; }
.legal-doc article:target h2 { color: var(--blue); }
.legal-doc h2 { margin: 0 0 16px; font-size: 24px; line-height: 1.4; }
.legal-doc p, .legal-doc li { color: #4f5c70; font-size: 15px; line-height: 1.9; }
.legal-doc p { margin: 12px 0 0; }
.legal-doc ol { margin: 12px 0 0; padding-left: 24px; }

.contact-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 56px;
  align-items: center;
  padding: 44px 0;
  border-top: 1px solid var(--line-blue);
  border-bottom: 1px solid var(--line-blue);
}
.contact-panel h2 { margin: 0; font-size: 36px; line-height: 1.3; letter-spacing: -0.035em; }
.contact-panel p { max-width: 660px; margin: 12px 0 0; color: var(--text); }
.qr-grid { display: flex; gap: 16px; }
.qr-card { width: 128px; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.qr-card img { width: 106px; height: 106px; object-fit: contain; }
.qr-card strong { display: block; margin-top: 7px; text-align: center; font-size: 13px; }

.footer { padding: 72px 0 28px; background: #fff; border-top: 1px solid var(--line); }
.footer-main { display: grid; grid-template-columns: 1.5fr repeat(4, 1fr); gap: 44px; }
.footer-slogan { max-width: 250px; margin: 16px 0 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.footer-col { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.footer-col h3 { margin: 2px 0 9px; font-size: 15px; }
.footer-col a { color: #6b7688; font-size: 13px; }
.footer-col a:hover { color: var(--blue); }
.footer-bottom { display: flex; justify-content: space-between; gap: 28px; margin-top: 54px; padding-top: 22px; border-top: 1px solid var(--line); color: #667186; font-size: 12px; }
.footer-legal, .footer-policy-links { display: flex; gap: 14px; flex-wrap: wrap; }

/* 1120 宽屏下完整保留采购决策语义，避免把确定拆成两行。 */
@media (max-width: 1279px) {
  .hero.container, .hero-grid,
  .hero--arch .hero-grid,
  .hero--advisors .hero-grid,
  .hero--editorial .hero-grid,
  .hero--map .hero-grid,
  .hero--paths .hero-grid,
  .hero--balance .hero-grid { grid-template-columns: 6fr 6fr; gap: 28px; }
  .hero h1 { max-width: none; font-size: 46px; }
  .hero--arch .hero-media img,
  .hero--advisors .hero-media img,
  .hero--editorial .hero-visual img { width: 620px; }
  .hero--arch .hero-grid,
  .hero--advisors .hero-grid,
  .hero--editorial .hero-grid { gap: 30px; }
  .hero--ribbons h1 { font-size: 46px; }
  .legal-shell { grid-template-columns: 210px minmax(0, 1fr); gap: 48px; }
}

@media (min-width: 1024px) and (max-width: 1279px) {
  .narrow-desktop-break { display: inline; }
}

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