:root {
  --brand: #2563eb;
  --brand-deep: #1d4ed8;
  --brand-ink: #152e63;
  --brand-soft: rgba(37, 99, 235, .10);
  --accent: #c8842a;
  --accent-soft: rgba(200, 132, 42, .12);
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #fff;
  --bg-soft: #f1f5f9;
  --shadow: 0 20px 50px rgba(15, 23, 42, .12);
  --shadow-soft: 0 8px 32px rgba(15, 23, 42, .08);
  --radius: 18px;
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --hero-dark: #0b1729;
  --page-gutter: 20px;
  --page-max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -999px; top: 12px; z-index: 100;
  background: var(--brand); color: #fff; padding: 10px 16px; border-radius: 8px;
}
.skip-link:focus { left: 12px; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
.wrap {
  width: min(var(--page-max), calc(100% - var(--page-gutter) * 2));
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: 0;
  box-sizing: border-box;
}

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,0,0,.05);
  transition: background .25s, border-color .25s;
}
.nav.nav--dark {
  background: rgba(11, 23, 41, .82);
  border-bottom-color: rgba(255,255,255,.08);
}
.nav.nav--dark .logo,
.nav.nav--dark .nav-links > a { color: #e2e8f0; }
.nav.nav--dark .nav-links > a:hover,
.nav.nav--dark .nav-links > a.on { color: #fff; }
.nav.nav--dark .btn-outline {
  border-color: rgba(255,255,255,.35);
  color: #fff;
  background: transparent;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 68px; gap: 12px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(145deg, var(--brand), var(--brand-ink));
  color: #fff; display: grid; place-items: center; font-size: .8rem; font-weight: 800;
  flex-shrink: 0;
}
.logo-copy { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text { font-weight: 800; }
.logo-slogan { font-size: .68rem; color: var(--muted); font-weight: 500; letter-spacing: .02em; }
.nav--dark .logo-slogan { color: rgba(255,255,255,.6); }
.nav-links { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }
.nav-links > a {
  padding: 8px 12px; border-radius: 8px; color: #333; font-size: .93rem;
}
.nav-links > a:hover, .nav-links > a.on { color: var(--brand-deep); }
.nav-links > a.on { box-shadow: inset 0 -2px 0 var(--brand); border-radius: 0; }
.nav-item { position: relative; }
.nav-parent {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 8px 12px; border-radius: 8px;
  border: none; background: transparent;
  font: inherit; font-size: .93rem; color: #333;
  cursor: pointer;
}
.nav-parent::after {
  content: '';
  width: 6px; height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  opacity: .6;
}
.nav--dark .nav-parent { color: #e2e8f0; }
.nav--dark .nav-parent:hover { color: #fff; }
.nav-sub {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 208px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: .2s ease;
  z-index: 80;
}
.nav-item:hover .nav-sub,
.nav-item.open .nav-sub {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-sub a {
  display: block;
  padding: 10px 16px;
  font-size: .9rem;
  color: var(--ink);
}
.nav-sub a:hover { background: var(--brand-soft); color: var(--brand-deep); }
.nav--dark .nav-sub {
  background: rgba(15, 23, 42, .98);
  border-color: rgba(255,255,255,.12);
}
.nav--dark .nav-sub a { color: #e2e8f0; }
.nav--dark .nav-sub a:hover { background: rgba(37, 99, 235, .18); color: #fff; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block; height: 2px; background: #333; border-radius: 2px;
  transition: .2s;
}
.nav.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 11px 22px; border-radius: 999px; font-weight: 600; font-size: .95rem;
  border: 1.5px solid transparent; cursor: pointer; transition: .2s; font-family: inherit;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-deep); }
.btn-outline { background: #fff; border-color: var(--brand); color: var(--brand-deep); }
.btn-outline:hover { background: var(--brand-soft); }
.btn-ghost {
  background: rgba(255,255,255,.12);
  border: 1.5px solid rgba(255,255,255,.45);
  color: #fff;
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,.22); border-color: #fff; }
.btn-sm { padding: 8px 16px; font-size: .88rem; }
.glass-panel {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 24px;
  backdrop-filter: blur(16px);
  box-shadow: 0 24px 64px rgba(0,0,0,.25);
}

/* ---------- 首屏轮播 ---------- */
.hero-carousel {
  position: relative;
  min-height: 84vh;
  color: #fff;
  overflow: hidden;
}
.hero-carousel > .wrap { position: relative; z-index: 2; }
.hero-bg-layer {
  position: absolute;
  inset: 0;
  background: center / cover no-repeat url('../img/hero-forms.jpg');
  transform: scale(1.04);
  transition: background-image .8s ease, transform 8s ease;
}
.hero-carousel.is-zoom .hero-bg-layer { transform: scale(1.08); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(95deg, rgba(5, 12, 26, .90) 0%, rgba(5, 12, 26, .50) 44%, rgba(5, 12, 26, .26) 100%),
    linear-gradient(180deg, transparent 55%, rgba(5, 12, 26, .86) 100%);
}
.hero-stage {
  padding: 132px 0 64px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 36px;
  text-align: left;
  box-sizing: border-box;
}
.hero-copy-minimal { width: 100%; margin: 0; padding: 0; }
.hero-kicker {
  margin: 0 0 16px;
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #7aa7ff;
  font-weight: 700;
  white-space: nowrap;
}
.hero-carousel h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4.8vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -.03em;
  font-weight: 900;
}
.hero-subline {
  margin: 0 0 32px;
  font-size: 1.05rem;
  color: rgba(255,255,255,.74);
  font-weight: 500;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-nav {
  display: flex;
  gap: 10px 20px;
  flex-wrap: wrap;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,.12);
  width: 100%;
  justify-content: flex-start;
  align-self: stretch;
}
.hero-dots { display: flex; gap: 8px; align-items: center; }
.hero-dots span {
  width: 8px; height: 8px; border-radius: 999px;
  background: rgba(255,255,255,.35);
  transition: width .3s ease, background .3s ease;
}
.hero-dots span.on { width: 28px; background: #7aa7ff; }
.hero-autoplay-hint {
  margin: 0;
  font-size: .75rem;
  color: rgba(255,255,255,.42);
}
.hero-nav button {
  border: none;
  background: transparent;
  color: rgba(255,255,255,.55);
  font: inherit;
  font-size: .88rem;
  cursor: pointer;
  padding: 8px 0;
  position: relative;
  transition: color .25s;
}
.hero-nav button span { padding: 0 4px; }
.hero-nav button::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: #7aa7ff;
  transition: width .3s ease;
}
.hero-nav button.on,
.hero-nav button:hover { color: #fff; }
.hero-nav button.on::after { width: 100%; }

/* ---------- 信任条 ---------- */
.trust-strip {
  background: linear-gradient(90deg, #0a1c38, #123258);
  color: #fff;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.trust-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: center;
}
.trust-inner strong {
  display: block;
  font-size: 1.35rem;
  color: #7aa7ff;
  font-weight: 800;
}
.trust-inner span { font-size: .82rem; color: rgba(255,255,255,.74); }

/* ---------- 通用区块 ---------- */
section { padding: 72px 0; }
section.soft { background: var(--bg-soft); }
.sec-title {
  text-align: center; margin: 0 0 12px;
  font-size: clamp(1.45rem, 2.8vw, 2rem); letter-spacing: -.02em;
}
.sec-desc { text-align: center; color: var(--muted); margin: 0 auto 36px; max-width: 44em; }
.sec-title-sm { margin: 0 0 12px; font-size: 1.1rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: 0 6px 24px rgba(0,0,0,.03);
}
.card h3 { margin: 0 0 10px; font-size: 1.08rem; }
.card h4 { margin: 0 0 8px; font-size: .98rem; }
.card p { margin: 0; color: var(--muted); font-size: .92rem; }
.card:hover { border-color: rgba(37,99,235,.30); }
.card ul { margin: 12px 0 0; padding: 0; list-style: none; }
.card li { position: relative; padding: 8px 0 8px 26px; color: #444; font-size: .92rem; }
.card li::before {
  content: "✓"; position: absolute; left: 0; top: 8px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--brand-soft); color: var(--brand-deep);
  display: grid; place-items: center; font-size: .7rem; font-weight: 800;
}
.checks { margin: 0; padding: 0; list-style: none; }
.checks li { position: relative; padding: 10px 0 10px 28px; color: #444; }
.checks li::before {
  content: "✓"; position: absolute; left: 0; top: 10px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--brand-soft); color: var(--brand-deep);
  display: grid; place-items: center; font-size: .75rem; font-weight: 800;
}

/* ---------- 场景图卡片 ---------- */
.case-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.case-scene {
  position: relative;
  min-height: 300px;
  border-radius: 20px;
  overflow: hidden;
  border: none;
  background: var(--hero-dark) center / cover no-repeat;
  box-shadow: var(--shadow-soft);
  transition: transform .35s ease, box-shadow .35s ease;
}
.case-scene:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.case-scene::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6,16,34,.16) 0%, rgba(6,16,34,.90) 74%);
}
.case-body {
  position: relative; z-index: 1; padding: 24px; color: #fff;
  display: flex; flex-direction: column; justify-content: flex-end; min-height: 300px;
}
.case-scene .avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #93c5fd);
  color: #06122b; display: grid; place-items: center; font-weight: 800;
  margin-bottom: 14px; box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.case-scene h4 { margin: 0 0 6px; font-size: 1.15rem; }
.case-scene .meta { color: rgba(255,255,255,.72); font-size: .85rem; margin-bottom: 10px; }
.case-scene p { margin: 0; color: rgba(255,255,255,.9); font-size: .9rem; line-height: 1.55; }

/* ---------- 带背景图的软性区块 ---------- */
.bg-block { position: relative; overflow: hidden; }
.bg-block-bg {
  position: absolute; inset: 0;
  background: center / cover no-repeat var(--bg-img);
  transform: scale(1.04);
}
.bg-block-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(247,249,252,.97) 0%, rgba(247,249,252,.93) 46%, rgba(247,249,252,.66) 100%);
}
.bg-block > .wrap { position: relative; z-index: 1; }
.bg-block--dark { color: #fff; }
.bg-block--dark .bg-block-overlay {
  background: linear-gradient(100deg, rgba(6,16,34,.93) 0%, rgba(6,16,34,.80) 46%, rgba(12,45,90,.62) 100%);
}
.bg-block--dark .sec-title,
.bg-block--dark .sec-title-sm { color: #fff; }
.bg-block--dark .sec-desc,
.bg-block--dark .card p,
.bg-block--dark .page-lead { color: rgba(255,255,255,.78); }
.overlay-panel {
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(255,255,255,.9);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}
.bg-block--dark .overlay-panel {
  background: rgba(9, 22, 43, .72);
  border-color: rgba(255,255,255,.16);
}

/* ---------- 对比表 ---------- */
.compare-section { padding: 72px 0; background: #fff; }
.compare-table-wrap { overflow-x: auto; border-radius: 16px; border: 1px solid var(--line); }
.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  background: #fff;
}
.compare-table th,
.compare-table td {
  padding: 15px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: .93rem;
  vertical-align: top;
}
.compare-table thead th { background: var(--bg-soft); font-weight: 700; }
.compare-table tbody th { width: 20%; color: var(--ink); }
.compare-table td.win {
  color: var(--brand-deep);
  font-weight: 600;
  background: rgba(37,99,235,.06);
}
.compare-table tr:last-child th,
.compare-table tr:last-child td { border-bottom: 0; }

/* ---------- 合规规则表 ---------- */
.rule-table-wrap { overflow-x: auto; border-radius: 16px; border: 1px solid var(--line); background: #fff; }
.rule-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.rule-table caption {
  text-align: left; padding: 16px 18px 6px; font-weight: 700; color: var(--ink);
}
.rule-table th,
.rule-table td {
  padding: 12px 16px; text-align: left; font-size: .9rem;
  border-bottom: 1px solid var(--line); vertical-align: top;
}
.rule-table thead th { background: var(--bg-soft); font-weight: 700; }
.rule-table code {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: .84rem; background: rgba(37,99,235,.08);
  color: var(--brand-deep); padding: 1px 6px; border-radius: 6px;
}
.tag {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: .74rem; font-weight: 700; white-space: nowrap;
}
.tag-block { background: #fee2e2; color: #b91c1c; }
.tag-warn { background: #fef3c7; color: #b45309; }
.tag-ok { background: #dcfce7; color: #15803d; }

/* ---------- KPI ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.kpi {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 20px 18px; text-align: center; box-shadow: var(--shadow-soft);
}
.kpi strong { display: block; font-size: 1.6rem; color: var(--brand-deep); font-weight: 800; line-height: 1.15; }
.kpi span { display: block; margin-top: 6px; font-size: .86rem; color: var(--muted); }

/* ---------- 流程 / 时间轴 ---------- */
.flow-line {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: center;
}
.flow-step {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 16px; font-size: .9rem; font-weight: 600; box-shadow: 0 4px 14px rgba(0,0,0,.03);
}
.flow-step em { font-style: normal; color: var(--brand-deep); margin-right: 6px; font-weight: 800; }
.flow-arrow { color: var(--brand); font-weight: 800; }
.flow-num {
  width: 36px; height: 36px; margin: 0 auto 10px; border-radius: 50%;
  background: var(--brand); color: #fff; display: grid; place-items: center; font-weight: 800;
}
.flow-item { text-align: center; }

/* ---------- 指标列表 ---------- */
.metric-list { margin: 0; padding: 0; list-style: none; }
.metric-list li {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 12px 0; border-bottom: 1px dashed var(--line); font-size: .95rem;
}
.metric-list strong { color: var(--brand-deep); }

/* ---------- 矩阵 ---------- */
.matrix-wrap { overflow-x: auto; border-radius: 16px; border: 1px solid var(--line); background: #fff; }
.matrix { width: 100%; border-collapse: collapse; min-width: 640px; }
.matrix th, .matrix td {
  padding: 12px 14px; border-bottom: 1px solid var(--line);
  font-size: .88rem; text-align: center;
}
.matrix thead th { background: var(--bg-soft); }
.matrix tbody th { text-align: left; font-weight: 600; }
.matrix td.y { color: var(--brand-deep); font-weight: 800; }
.matrix td.n { color: #cbd5e1; }

/* ---------- FAQ ---------- */
.faq details {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 18px; margin-bottom: 10px;
}
.faq summary {
  cursor: pointer; font-weight: 700; list-style: none;
  display: flex; justify-content: space-between; gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand); font-size: 1.2rem; }
.faq details[open] summary::after { content: "−"; }
.faq p { margin: 10px 0 0; color: var(--muted); }
.faq-panel {
  background: #fff; border-radius: var(--radius); border: 1px solid var(--line);
  padding: 8px 20px; box-shadow: var(--shadow-soft);
}

/* ---------- CTA ---------- */
.cta-visual {
  position: relative;
  overflow: hidden;
  background: var(--hero-dark) center / cover no-repeat url('../img/cta-assets.jpg');
  border: 1px solid rgba(255,255,255,.12);
}
.cta-visual::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(6,16,34,.82), rgba(29,78,216,.55));
}
.cta-visual h2,
.cta-visual p,
.cta-visual .hero-actions { position: relative; z-index: 1; }
.cta-band { color: #fff; border-radius: 28px; padding: 48px 32px; text-align: center; }
.cta-band h2 { margin: 0 0 10px; font-size: clamp(1.5rem, 3vw, 2rem); }
.cta-band p { margin: 0 0 24px; opacity: .9; }
.cta-band .btn-primary { background: #fff; color: var(--brand-deep); }

/* ---------- 页脚（与参考站布局一致） ---------- */
footer { background: #151515; color: #bbb; padding: 48px 0 28px; font-size: .88rem; }
footer a:hover { color: #fff; }
.foot-main {
  display: grid;
  grid-template-columns: 1.2fr 2fr 1fr;
  gap: 36px 40px;
  margin-bottom: 28px;
}
.foot-brand h4, .foot-cols h4 { color: #fff; margin: 0 0 12px; font-size: .95rem; }
.foot-brand p { margin: 0 0 8px; line-height: 1.6; }
.foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.foot-cols ul { margin: 0; padding: 0; list-style: none; }
.foot-cols li { margin: 8px 0; }
.foot-contact h4 { color: #fff; margin: 0 0 12px; font-size: .95rem; }
.foot-phone { margin: 0; line-height: 1.6; }
.foot-phone a { color: #7aa7ff; font-weight: 700; font-size: 1.08rem; text-decoration: none; }
.foot-phone a:hover { color: #fff; }
.foot-wecom { margin: 14px 0 0; text-align: center; }
.foot-wecom img {
  width: 112px; height: 112px; border-radius: 12px;
  background: #fff; padding: 6px; display: block; margin: 0 auto;
}
.foot-wecom figcaption { margin-top: 8px; font-size: .78rem; color: #888; }
.copy {
  border-top: 1px solid #2a2a2a; padding-top: 16px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  color: #777; font-size: .8rem;
}
.copy a { color: #999; text-decoration: none; }
.copy a:hover { color: #fff; text-decoration: underline; }

/* ---------- 水印 / 侧边悬浮 ---------- */
.demo-wm {
  position: fixed; inset: 0; z-index: 50; pointer-events: none; overflow: hidden;
  display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(4, 1fr);
  opacity: .1;
}
.demo-wm__item {
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: #000; white-space: nowrap;
  transform: rotate(-28deg); user-select: none;
}
.dock {
  position: fixed; right: 16px; bottom: 24px; z-index: 60;
  display: flex; flex-direction: column; gap: 8px;
}
.dock a {
  width: 54px; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; padding: 10px 6px; text-align: center;
  font-size: .72rem; box-shadow: var(--shadow); color: #333;
}
.dock a:hover { color: var(--brand-deep); border-color: var(--brand); }
.dock .ico { font-size: 1.1rem; display: block; margin-bottom: 4px; }

/* ---------- GEO / AI 索引条 ---------- */
.geo-strip {
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fafbfc;
  font-size: .88rem;
  color: var(--muted);
}
.geo-strip .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; }
.geo-strip a { color: var(--brand-deep); font-weight: 600; }

/* ---------- 模块导航卡 ---------- */
.module-hub-section { padding-top: 48px; padding-bottom: 8px; }
.module-hub-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.module-hub-card {
  display: flex; flex-direction: column; gap: 8px;
  padding: 22px 20px; border-radius: var(--radius);
  border: 1px solid var(--line); background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.module-hub-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow);
  border-color: rgba(37,99,235,.32);
}
.module-hub-card .hub-icon {
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--brand-soft); color: var(--brand-deep);
  font-weight: 800; display: grid; place-items: center;
}
.module-hub-card h3 { margin: 0; font-size: 1.05rem; }
.module-hub-card p { margin: 0; font-size: .88rem; color: var(--muted); line-height: 1.55; flex: 1; }
.module-hub-card .hub-link { font-size: .88rem; font-weight: 600; color: var(--brand-deep); }

/* ---------- 子页面 ---------- */
body.subpage {
  background:
    radial-gradient(ellipse 80% 50% at 100% -10%, rgba(37, 99, 235, .08), transparent 55%),
    radial-gradient(ellipse 60% 40% at 0% 100%, rgba(200, 132, 42, .06), transparent 50%),
    #f5f7fb;
}
body.subpage .nav { background: rgba(255,255,255,.95); border-bottom-color: rgba(0,0,0,.06); }
.breadcrumb { padding: 18px 0 0; font-size: .88rem; color: var(--muted); }
.breadcrumb a { color: var(--brand-deep); }
.breadcrumb--light { padding: 20px 0 0; color: rgba(255,255,255,.65); }
.breadcrumb--light a { color: rgba(255,255,255,.92); }
.breadcrumb--light a:hover { color: #7aa7ff; }

.page-hero--visual {
  position: relative;
  padding: 0;
  min-height: min(430px, 74vh);
  overflow: hidden;
  color: #fff;
}
.page-hero-bg {
  position: absolute; inset: 0;
  background: var(--hero-img) center / cover no-repeat;
  transform: scale(1.02);
}
.page-hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(6, 16, 34, .92) 0%, rgba(6, 16, 34, .66) 44%, rgba(29, 78, 216, .48) 100%),
    linear-gradient(180deg, transparent 60%, rgba(6, 16, 34, .38) 100%);
}
.page-hero--visual .page-hero-inner {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1fr minmax(200px, 380px);
  gap: 32px;
  align-items: center;
  padding: 12px 0 48px;
}
.page-hero-text-col { display: flex; gap: 20px; align-items: flex-start; min-width: 0; }
.page-hero-shot {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
  border: 1px solid rgba(255, 255, 255, .15);
  aspect-ratio: 3 / 2;
}
.page-hero-shot img { width: 100%; height: 100%; object-fit: cover; }
.page-hero-shot-badge {
  position: absolute; left: 14px; bottom: 14px;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(122, 167, 255, .94); color: #06122b;
  font-size: .78rem; font-weight: 800; letter-spacing: .04em;
}
.page-hero-icon {
  width: 72px; height: 72px; border-radius: 18px;
  background: linear-gradient(145deg, #3b82f6, #1d4ed8);
  color: #fff; font-size: 1.6rem; font-weight: 800;
  display: grid; place-items: center; flex-shrink: 0;
  box-shadow: 0 16px 40px rgba(37, 99, 235, .35);
}
.page-hero-kicker {
  margin: 0 0 8px;
  font-size: .8rem; font-weight: 700; letter-spacing: .12em;
  color: #7aa7ff; text-transform: uppercase;
}
.page-hero--visual h1 {
  margin: 0 0 12px;
  font-size: clamp(1.85rem, 4.2vw, 2.5rem);
  line-height: 1.2;
  text-shadow: 0 2px 24px rgba(0, 0, 0, .25);
}
.page-hero-lead {
  margin: 0 0 20px;
  color: rgba(255, 255, 255, .88);
  font-size: 1.02rem;
  max-width: 38rem;
  line-height: 1.7;
}
.btn-on-dark {
  border-color: rgba(255, 255, 255, .45) !important;
  color: #fff !important;
  background: rgba(255, 255, 255, .1) !important;
}
.btn-on-dark:hover { background: rgba(255, 255, 255, .2) !important; border-color: #fff !important; }
.page-lead { color: var(--muted); font-size: 1.02rem; max-width: 46rem; line-height: 1.75; }

/* 亮点三格 */
.module-highlights { position: relative; z-index: 2; padding: 0 0 8px; margin-top: -28px; }
.module-highlights-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.highlight-card {
  background: #fff; border-radius: 16px; padding: 22px 20px;
  border: 1px solid rgba(226, 232, 240, .9);
  box-shadow: var(--shadow-soft); text-align: center;
  transition: transform .2s ease, box-shadow .2s ease;
}
.highlight-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.highlight-card strong { display: block; font-size: 1.05rem; color: var(--brand-deep); margin-bottom: 6px; }
.highlight-card span { font-size: .88rem; color: var(--muted); line-height: 1.5; }

/* 双栏痛点 / 能力 */
.module-story { padding: 48px 0 56px; }
.module-story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.module-story .card {
  padding: 28px 26px; border-radius: var(--radius);
  border: 1px solid var(--line); box-shadow: var(--shadow-soft);
}
.card-label {
  display: inline-block; margin-bottom: 10px; padding: 4px 12px;
  border-radius: 999px; font-size: .72rem; font-weight: 800; letter-spacing: .06em;
}
.card-label-warn { background: #fef3c7; color: #b45309; }
.card-label-ok { background: var(--brand-soft); color: var(--brand-deep); }
.card-pain { background: linear-gradient(165deg, #fff 0%, #fffbeb 100%); border-color: #fde68a; }
.card-solve { background: linear-gradient(165deg, #fff 0%, #eef4ff 100%); border-color: rgba(37,99,235,.25); }

/* 能力卡（AI / 信创 / 三端等网格） */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 22px;
}
.capability-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow-soft);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  overflow: hidden;
}
.capability-card::before {
  content: "";
  position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--brand), #7aa7ff);
  opacity: 0; transition: opacity .25s ease;
}
.capability-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(37,99,235,.30);
}
.capability-card:hover::before { opacity: 1; }
.capability-tag {
  display: inline-block; margin-bottom: 10px; padding: 4px 12px;
  border-radius: 999px; font-size: .72rem; font-weight: 800; letter-spacing: .06em;
  background: var(--brand-soft); color: var(--brand-deep);
}
.capability-card h3 { margin: 0 0 8px; font-size: 1.06rem; }
.capability-card p { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.65; }
.capability-card ul { margin: 10px 0 0; padding: 0; list-style: none; }
.capability-card li {
  position: relative; padding: 7px 0 7px 22px; color: #444; font-size: .9rem;
}
.capability-card li::before {
  content: "·"; position: absolute; left: 6px; top: 6px;
  color: var(--brand); font-weight: 800; font-size: 1.1rem;
}
.capability-card code {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  background: rgba(37,99,235,.08); color: var(--brand-deep);
  padding: 1px 6px; border-radius: 6px; font-size: .84rem;
}
.capability-card.highlight {
  background: linear-gradient(165deg, #0f172a 0%, #16305e 60%, #1d4ed8 100%);
  border-color: rgba(37,99,235,.5);
  color: #fff;
}
.capability-card.highlight .capability-tag {
  background: rgba(255,255,255,.16); color: #fff;
}
.capability-card.highlight h3 { color: #fff; }
.capability-card.highlight p,
.capability-card.highlight li { color: rgba(255,255,255,.82); }
.capability-card.highlight li::before { color: #7aa7ff; }
.capability-actions {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line);
}
.capability-card.highlight .capability-actions { border-top-color: rgba(255,255,255,.18); }
.capability-card .btn-ghost {
  background: transparent; border-color: var(--line); color: var(--brand-deep);
}
.capability-card .btn-ghost:hover {
  background: var(--brand-soft); border-color: var(--brand); color: var(--brand-deep);
}
.capability-card.highlight .btn-ghost {
  background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.45); color: #fff;
}
.capability-card.highlight .btn-ghost:hover { background: rgba(255,255,255,.22); border-color: #fff; }
.page-hero-copy { min-width: 0; }

/* 演示入口深色带 */
.demo-band { padding: 0 0 56px; }
.demo-band-inner {
  background: linear-gradient(135deg, #0f172a 0%, #16305e 55%, #1d4ed8 100%);
  border-radius: 22px; padding: 36px 40px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px;
  box-shadow: 0 20px 50px rgba(15, 23, 42, .2);
  border: 1px solid rgba(255, 255, 255, .08);
}
.sec-title-light { color: #fff; margin: 0 0 8px; }
.demo-band-copy { flex: 1 1 320px; min-width: 0; }
.sec-desc-light { color: rgba(255, 255, 255, .74); margin: 0; font-size: .95rem; }
.sec-desc-light code { background: rgba(255,255,255,.16); color: #fff; padding: 1px 6px; border-radius: 6px; }
.demo-link-row { display: flex; flex-wrap: wrap; gap: 10px; }
.demo-link-row--panel .btn-outline {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .35);
  color: #fff;
}
.demo-link-row--panel .btn-outline:hover { background: var(--brand); border-color: var(--brand); color: #fff; }
.module-related { padding: 48px 0; }
.module-faq { padding: 48px 0 56px; }
.module-cta { padding-bottom: 56px; }
.related-modules { display: flex; flex-wrap: wrap; gap: 10px; }
.related-chip {
  display: inline-block; padding: 10px 18px; border-radius: 999px;
  border: 1px solid var(--line); background: #fff;
  font-size: .92rem; font-weight: 600; color: var(--ink);
  transition: border-color .2s, background .2s;
}
.related-chip:hover { border-color: var(--brand); background: var(--brand-soft); color: var(--brand-deep); }

/* 账号表 */
.acct-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.acct {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; font-size: .9rem;
}
.acct code {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  background: var(--brand-soft); color: var(--brand-deep);
  padding: 1px 7px; border-radius: 6px; font-size: .86rem; font-weight: 700;
}
.acct span { display: block; color: var(--muted); font-size: .84rem; margin-top: 4px; }

@media (max-width: 1100px) {
  .case-track { grid-template-columns: repeat(2, 1fr); }
  .module-hub-grid { grid-template-columns: repeat(2, 1fr); }
  .module-highlights-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .hero-carousel { min-height: 74vh; }
  .hero-stage { padding: 120px 0 56px; gap: 32px; }
  .foot-main { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .trust-inner { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .nav-links {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: rgba(255,255,255,.98);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 12px var(--page-gutter) 20px;
    box-shadow: var(--shadow-soft);
  }
  .nav.nav-open .nav-links { display: flex; }
  .nav-sub {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; background: transparent; padding: 0 0 8px 12px;
    display: none;
  }
  .nav-item.open .nav-sub { display: block; }
  .nav-sub a { padding: 8px 12px; color: inherit; }
  .nav.nav--dark.nav-open .nav-links {
    background: rgba(11, 23, 41, .96);
    border-bottom-color: rgba(255,255,255,.1);
  }
  .bg-block-overlay,
  .bg-block--dark .bg-block-overlay {
    background: linear-gradient(180deg, rgba(247,249,252,.96), rgba(247,249,252,.90));
  }
  .bg-block--dark .bg-block-overlay { background: linear-gradient(180deg, rgba(6,16,34,.94), rgba(6,16,34,.88)); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4, .foot-main, .foot-cols, .trust-inner,
  .case-track, .module-hub-grid, .kpi-grid { grid-template-columns: 1fr; }
  .page-hero--visual .page-hero-inner { grid-template-columns: 1fr; padding-bottom: 36px; }
  .page-hero-text-col { flex-direction: column; }
  .page-hero-shot { max-width: 100%; }
  .module-highlights-grid, .module-story-grid { grid-template-columns: 1fr; }
  .demo-band-inner { padding: 28px 22px; }
  .hero-kicker, .hero-carousel h1, .hero-subline { white-space: normal; }
  .hero-carousel h1 { font-size: clamp(1.65rem, 7.5vw, 2.15rem); line-height: 1.2; }
  .dock { display: none; }
  .nav { position: sticky; }
}
/* ---------- 资料下载中心 ---------- */
.dl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 26px;
}
.dl-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px 22px;
  box-shadow: var(--shadow-soft);
  transition: transform .22s, box-shadow .22s, border-color .22s;
}
.dl-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(37, 99, 235, .35);
}
.dl-head { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 14px; }
.dl-icon {
  flex: 0 0 auto;
  width: 54px; height: 54px;
  display: grid; place-items: center;
  border-radius: 12px;
  font-size: .78rem; font-weight: 800; letter-spacing: .04em;
  color: #fff;
}
.dl-icon--xlsx { background: linear-gradient(135deg, #1f7a4d, #22a060); }
.dl-icon--pptx { background: linear-gradient(135deg, #b4531d, #d1701f); }
.dl-icon--docx { background: linear-gradient(135deg, var(--brand-deep), var(--brand)); }
.dl-head-copy { min-width: 0; }
.dl-head-copy h3 { margin: 0 0 6px; font-size: 1.06rem; line-height: 1.35; color: var(--brand-ink); }
.dl-meta { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; }
.dl-badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .01em;
  background: var(--brand);
  color: #fff;
}
.dl-badge--soft { background: var(--brand-soft); color: var(--brand-deep); }
.dl-desc { margin: 0 0 14px; font-size: .9rem; line-height: 1.7; color: var(--muted); }
.dl-list { margin: 0 0 16px; padding: 0; list-style: none; font-size: .855rem; line-height: 1.62; }
.dl-list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 6px;
  color: var(--muted);
}
.dl-list li::before {
  content: "";
  position: absolute; left: 2px; top: .62em;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent);
}
.dl-list li strong { color: var(--brand-ink); font-weight: 700; }
.dl-use {
  margin: 0 0 18px;
  padding: 11px 14px;
  border-radius: 10px;
  background: var(--bg-soft);
  font-size: .84rem;
  line-height: 1.65;
  color: var(--muted);
}
.dl-use strong { color: var(--brand-deep); }
.dl-btn { margin-top: auto; width: 100%; justify-content: center; text-align: center; }
.dl-note {
  margin: 16px 0 0;
  padding: 13px 16px;
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  background: var(--accent-soft);
  font-size: .86rem;
  line-height: 1.7;
  color: var(--muted);
}
@media (max-width: 1100px) {
  .dl-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .dl-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-bg-layer, .hero-carousel.is-zoom .hero-bg-layer { transform: none; transition: none; }
}