/* ==========================================================================
   企小智官网 · 全站样式
   设计令牌（任务书第三章，不得改写）→ 基础层 → 通用组件 → 首页组件
   → 子页面组件 → 响应式（1080 / 820 / 560）
   ========================================================================== */

:root {
  --blue: #1359F0;
  --blue-dark: #0B3FB8;
  --blue-light: #E8F0FF;
  --amber: #F5A623;
  --teal: #1D9E75;
  --purple: #7F77DD;
  --pink: #D96BB0;
  --slate: #5F8FA9;
  --navy: #0A1730;

  --text: #101828;
  --text-2: #475467;
  --text-3: #8A94A6;

  --bg: #FFFFFF;
  --bg-alt: #F6F8FC;
  --line: #E4E9F2;
  --line-2: #EFF3F9;

  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 22px;

  --shadow: 0 6px 18px rgba(16, 24, 40, 0.06);
  --shadow-lg: 0 18px 46px rgba(16, 24, 40, 0.12);

  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", system-ui, sans-serif;
}

/* ------------------------------ 基础层 ------------------------------ */
* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.4px; }
h1 { font-size: clamp(26px, 3vw, 36px); line-height: 1.3; }
h2 { font-size: clamp(24px, 2.6vw, 32px); line-height: 1.32; }
h3 { font-size: 18px; line-height: 1.45; letter-spacing: -0.2px; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ------------------------------ 头部导航 ------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line-2);
  backdrop-filter: saturate(180%) blur(12px);
}

.header-inner {
  display: flex; align-items: center; gap: 28px;
  height: 68px;
}

.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px; font-weight: 600; letter-spacing: -0.3px;
  flex-shrink: 0;
}

.logo-mark {
  width: 32px; height: 32px; border-radius: 9px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff;
}

.logo-sub { font-size: 12.5px; font-weight: 400; color: var(--text-3); margin-left: 2px; }

.main-nav {
  display: flex; align-items: center; gap: 4px;
  margin-left: auto;
}

.main-nav a {
  padding: 8px 12px; border-radius: 8px;
  font-size: 14.5px; color: var(--text-2);
  transition: color .18s ease, background .18s ease;
}

.main-nav a:hover { color: var(--blue); background: var(--blue-light); }
.main-nav a.active { color: var(--blue); font-weight: 500; background: var(--blue-light); }

.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-phone {
  display: flex; align-items: center; gap: 6px;
  font-size: 14px; color: var(--text-2); white-space: nowrap;
}
.nav-phone strong { color: var(--text); font-weight: 600; }

.nav-toggle {
  display: none; align-items: center; justify-content: center;
  width: 40px; height: 40px; border: 1px solid var(--line);
  border-radius: 10px; background: #fff; color: var(--text);
}

/* ------------------------------ 按钮 ------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 20px;
  border: 1px solid transparent; border-radius: 10px;
  font-size: 14.5px; font-weight: 500; white-space: nowrap;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff; box-shadow: 0 8px 20px rgba(19, 89, 240, 0.22);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(19, 89, 240, 0.3); }

.btn-ghost { background: #fff; border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

.btn-light { background: var(--blue-light); color: var(--blue-dark); }
.btn-light:hover { background: #DBE7FF; }

.btn-sm { height: 36px; padding: 0 14px; font-size: 13.5px; border-radius: 9px; }
.btn-block { width: 100%; }

/* ------------------------------ 区块通用 ------------------------------ */
.section { padding: 76px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--navy); color: #fff; }
.section-dark .section-lead { color: rgba(255, 255, 255, 0.72); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; margin-bottom: 14px;
  border-radius: 999px; background: var(--blue-light); color: var(--blue-dark);
  font-size: 12.5px; font-weight: 500; letter-spacing: 0.2px;
}
.section-dark .eyebrow { background: rgba(255, 255, 255, 0.12); color: #fff; }

.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-lead { margin-top: 12px; color: var(--text-2); font-size: 15px; }

/* ------------------------------ 首屏 ------------------------------ */
.hero {
  position: relative; overflow: hidden;
  padding: 64px 0 72px;
  background:
    radial-gradient(900px 420px at 82% -10%, rgba(19, 89, 240, 0.10), transparent 70%),
    radial-gradient(700px 380px at 8% 110%, rgba(29, 158, 117, 0.08), transparent 70%),
    #fff;
}

.hero-inner {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 56px; align-items: center;
}

.hero h1 { margin-bottom: 16px; }
.hero h1 em { font-style: normal; color: var(--blue); }

.hero-lead {
  font-size: 16px; line-height: 1.75; color: var(--text-2);
  max-width: 560px; margin-bottom: 26px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }

.hero-points { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.hero-points li {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text-3);
}
.hero-points svg { color: var(--teal); flex-shrink: 0; }

/* 对话演示卡 */
.hero-panel {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  padding: 20px; max-width: 460px; justify-self: end; width: 100%;
}

.panel-head {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 14px; margin-bottom: 14px;
  border-bottom: 1px solid var(--line-2);
}
.panel-avatar {
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--purple));
}
.panel-title { font-size: 14px; font-weight: 600; }
.panel-meta { font-size: 12.5px; color: var(--text-3); }
.panel-live {
  margin-left: auto; display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; color: var(--teal);
}
.panel-live i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--teal);
  animation: pulse 1.8s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

.panel-log { display: grid; gap: 10px; min-height: 236px; align-content: start; }
.panel-log[data-scenes] { min-height: 272px; }
.panel-scene { display: none; }
.panel-scene.is-active { display: grid; gap: 10px; animation: fadeUp .45s ease; }

.log-row { display: flex; }
.log-row.right { justify-content: flex-end; }

.log-bubble {
  max-width: 84%; padding: 10px 13px;
  border-radius: 12px; font-size: 13.5px; line-height: 1.6;
  background: var(--bg-alt); color: var(--text);
}
.log-row.right .log-bubble {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff;
}
.log-bubble b { font-weight: 600; }
.log-time { display: block; margin-top: 4px; font-size: 11.5px; color: var(--text-3); }
.log-row.right .log-time { color: rgba(255, 255, 255, 0.7); }

.log-card {
  max-width: 92%; width: 100%;
  padding: 12px 14px; border-radius: 12px;
  border: 1px solid var(--line); background: #fff;
  box-shadow: var(--shadow);
}
.log-card .log-title { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; }
.log-card .log-title svg { color: var(--amber); }
.log-rows { margin-top: 8px; display: grid; gap: 5px; }
.log-rows div { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--text-2); }
.log-rows div span:last-child { color: var(--text); font-weight: 500; }
.log-rows div.bad span:last-child { color: #D92D20; }
.log-hint { margin-top: 8px; font-size: 12px; color: var(--text-3); }

.panel-foot {
  display: flex; align-items: center; gap: 8px;
  margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line-2);
  font-size: 12px; color: var(--text-3);
}

/* ------------------------------ 数据条 ------------------------------ */
.stats { padding: 40px 0; }
.stats-grid {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 18px; text-align: center;
}
.stat-num {
  font-size: 30px; font-weight: 600; letter-spacing: -0.8px;
  color: #fff; line-height: 1.2;
}
.stat-num small { font-size: 15px; font-weight: 500; margin-left: 2px; }
.stat-label { margin-top: 4px; font-size: 12.5px; color: rgba(255, 255, 255, 0.66); }
.stats-note { margin-top: 18px; text-align: center; font-size: 12px; color: rgba(255, 255, 255, 0.55); }

/* ------------------------------ 卡片网格 ------------------------------ */
.agent-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.base-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

.agent-card {
  display: flex; flex-direction: column;
  padding: 24px; border: 1px solid var(--line);
  border-radius: var(--radius); background: #fff;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.agent-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #D6E2FA; }

.agent-icon {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center; margin-bottom: 14px;
  background: var(--blue-light); color: var(--blue);
}
.agent-icon.amber { background: #FFF4E0; color: var(--amber); }
.agent-icon.teal { background: #E4F5EF; color: var(--teal); }
.agent-icon.purple { background: #EFEDFE; color: var(--purple); }
.agent-icon.pink { background: #FBEBF4; color: var(--pink); }
.agent-icon.slate { background: #EAF1F5; color: var(--slate); }

.agent-role { font-size: 13px; color: var(--text-3); margin-bottom: 2px; }
.agent-name { font-size: 19px; font-weight: 600; letter-spacing: -0.3px; }
.agent-desc { margin-top: 10px; font-size: 14px; line-height: 1.7; color: var(--text-2); }

.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.tag {
  display: inline-flex; align-items: center;
  padding: 3px 9px; border-radius: 999px;
  background: var(--bg-alt); color: var(--text-2);
  font-size: 12.5px; white-space: nowrap;
}
.tag-blue { background: var(--blue-light); color: var(--blue-dark); }
.tag-teal { background: #E4F5EF; color: #16724F; }
.tag-amber { background: #FFF4E0; color: #9A6205; }

.agent-find {
  margin-top: 14px; padding: 11px 12px;
  border-radius: var(--radius-sm); background: var(--bg-alt);
  font-size: 12.5px; line-height: 1.65; color: var(--text-2);
}
.agent-find b { color: var(--text); font-weight: 600; }

.agent-metric {
  display: flex; align-items: baseline; gap: 6px;
  margin-top: auto; padding-top: 16px;
  border-top: 1px dashed var(--line);
}
.agent-metric .num { font-size: 24px; font-weight: 600; color: var(--blue); letter-spacing: -0.6px; }
.agent-metric .unit { font-size: 12.5px; color: var(--text-3); }

/* 底座卡 */
.base-card {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 22px; border: 1px solid var(--line);
  border-radius: var(--radius); background: #fff;
  transition: transform .2s ease, box-shadow .2s ease;
}
.base-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.base-icon {
  width: 40px; height: 40px; border-radius: 11px; flex-shrink: 0;
  display: grid; place-items: center;
  background: var(--blue-light); color: var(--blue-dark);
}
.base-name { font-size: 16px; font-weight: 600; }
.base-desc { margin-top: 6px; font-size: 13.5px; line-height: 1.65; color: var(--text-2); }
.base-map {
  margin-top: 10px; font-size: 12.5px; color: var(--text-3);
  padding-top: 8px; border-top: 1px dashed var(--line);
}
.base-map b { color: var(--blue-dark); font-weight: 500; }

/* 平台总述（三层递进） */
.layer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.layer-card {
  padding: 24px; border-radius: var(--radius);
  border: 1px solid var(--line); background: #fff;
  position: relative;
}
.layer-card.active { border-color: #BBD0FB; box-shadow: 0 12px 30px rgba(19, 89, 240, 0.10); }
.layer-step {
  font-size: 12.5px; color: var(--text-3); margin-bottom: 8px;
  display: flex; align-items: center; gap: 6px;
}
.layer-step i {
  width: 18px; height: 18px; border-radius: 50%;
  display: grid; place-items: center; font-size: 11px; font-style: normal;
  background: var(--blue-light); color: var(--blue-dark);
}
.layer-card.active .layer-step i { background: var(--blue); color: #fff; }
.layer-name { font-size: 17px; font-weight: 600; }
.layer-body { margin-top: 8px; font-size: 13.5px; line-height: 1.7; color: var(--text-2); }
.layer-flag {
  margin-top: 12px; display: inline-flex; padding: 3px 9px;
  border-radius: 999px; font-size: 12px;
  background: var(--bg-alt); color: var(--text-3);
}
.layer-card.active .layer-flag { background: var(--blue-light); color: var(--blue-dark); }

/* ------------------------------ 行业方案 Tab ------------------------------ */
.ind-tabs {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 6px; margin-bottom: 26px;
  background: #fff; border: 1px solid var(--line);
  border-radius: 12px; width: fit-content; max-width: 100%;
}
.ind-tab {
  padding: 8px 16px; border: 0; border-radius: 8px;
  background: transparent; color: var(--text-2);
  font-size: 14px; transition: background .18s ease, color .18s ease;
}
.ind-tab.active { background: var(--blue); color: #fff; font-weight: 500; }

.ind-panel { display: none; }
.ind-panel.active { display: block; animation: fadeUp .28s ease; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.ind-body {
  display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 34px;
  padding: 30px; border: 1px solid var(--line);
  border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow);
}
.ind-title { font-size: 21px; margin-bottom: 10px; }
.ind-lead { font-size: 14.5px; line-height: 1.8; color: var(--text-2); }
.ind-points { display: grid; gap: 10px; margin-top: 18px; }
.ind-points li {
  display: flex; gap: 9px; font-size: 14px; line-height: 1.65; color: var(--text-2);
}
.ind-points li svg { flex-shrink: 0; margin-top: 4px; color: var(--teal); }
.ind-points b { color: var(--text); font-weight: 600; }

.ind-metrics { display: grid; gap: 12px; align-content: start; }
.ind-metric {
  padding: 16px 18px; border-radius: var(--radius);
  background: linear-gradient(150deg, var(--blue-light), #F7FAFF);
  border: 1px solid #DCE8FE;
}
.ind-metric .num { font-size: 26px; font-weight: 600; color: var(--blue-dark); letter-spacing: -0.7px; }
.ind-metric .label { font-size: 12.5px; color: var(--text-2); margin-top: 2px; }
.ind-foot { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 12px; }

/* ------------------------------ 案例卡 ------------------------------ */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

.case-card {
  display: flex; flex-direction: column;
  padding: 24px; border-radius: var(--radius);
  border: 1px solid var(--line); background: #fff;
  transition: transform .2s ease, box-shadow .2s ease;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.case-tag {
  align-self: flex-start; padding: 3px 9px; border-radius: 999px;
  background: var(--blue-light); color: var(--blue-dark);
  font-size: 12px; margin-bottom: 12px;
}
.case-title { font-size: 16.5px; line-height: 1.5; }
.case-body { margin-top: 10px; font-size: 13.5px; line-height: 1.7; color: var(--text-2); }
.case-metrics { display: grid; gap: 8px; margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--line); }
.case-metrics div { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-2); }
.case-metrics div b { color: var(--text); font-weight: 600; }
.case-metrics div b.up { color: var(--teal); }

/* ------------------------------ 为什么选我们 ------------------------------ */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.why-card {
  padding: 26px; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line);
  transition: transform .2s ease, box-shadow .2s ease;
}
.why-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.why-icon {
  width: 44px; height: 44px; border-radius: 13px; margin-bottom: 14px;
  display: grid; place-items: center;
  background: var(--blue-light); color: var(--blue);
}
.why-title { font-size: 17px; font-weight: 600; }
.why-body { margin-top: 8px; font-size: 14px; line-height: 1.7; color: var(--text-2); }

/* ------------------------------ 最新动态 ------------------------------ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card {
  padding: 22px; border-radius: var(--radius);
  border: 1px solid var(--line); background: #fff;
  transition: transform .2s ease, box-shadow .2s ease;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news-date { font-size: 12.5px; color: var(--text-3); }
.news-title { margin-top: 8px; font-size: 15.5px; line-height: 1.55; font-weight: 600; }
.news-body { margin-top: 8px; font-size: 13.5px; line-height: 1.7; color: var(--text-2); }
.news-more { display: inline-flex; align-items: center; gap: 4px; margin-top: 12px; font-size: 13px; color: var(--blue); }

/* ------------------------------ CTA / 表单 ------------------------------ */
.cta { padding: 72px 0; }
.cta-inner {
  display: grid; grid-template-columns: 1fr 0.9fr; gap: 40px;
  align-items: center; padding: 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, #F3F7FF, #FFFFFF 60%);
  border: 1px solid #DCE8FE; box-shadow: var(--shadow);
}
.cta h2 { margin-bottom: 12px; }
.cta-lead { font-size: 15px; line-height: 1.75; color: var(--text-2); }
.cta-list { display: grid; gap: 8px; margin-top: 18px; }
.cta-list li { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--text-2); }
.cta-list svg { color: var(--teal); flex-shrink: 0; }

.form-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-lg);
}
.form-card h3 { margin-bottom: 4px; }
.form-tip { font-size: 12.5px; color: var(--text-3); margin-bottom: 16px; }
.field { display: block; margin-bottom: 12px; }
.field > span { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 12px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 14px; color: var(--text);
  background: #fff; outline: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(19, 89, 240, 0.12);
}
.field textarea { resize: vertical; min-height: 76px; }
.form-note { margin-top: 10px; font-size: 12px; color: var(--text-3); }
.form-feedback {
  display: none; margin-top: 12px; padding: 10px 12px;
  border-radius: var(--radius-sm); background: #E4F5EF; color: #16724F;
  font-size: 13px;
}
.form-feedback.show { display: block; }

/* ------------------------------ 页脚 ------------------------------ */
.site-footer { background: var(--navy); color: rgba(255, 255, 255, 0.72); padding: 56px 0 24px; }
.footer-top { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 34px; }
.footer-brand .logo { color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 13px; line-height: 1.75; color: rgba(255, 255, 255, 0.6); max-width: 300px; }
.footer-col h4 { font-size: 14px; color: #fff; margin-bottom: 14px; font-weight: 600; }
.footer-col a, .footer-col span { display: block; font-size: 13px; line-height: 2; color: rgba(255, 255, 255, 0.62); }
.footer-col a:hover { color: #fff; }
.footer-cities { margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.1); }
.footer-cities p { font-size: 12.5px; color: rgba(255, 255, 255, 0.5); line-height: 1.9; }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between;
  margin-top: 22px; padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12.5px; color: rgba(255, 255, 255, 0.45);
}

/* ------------------------------ 悬浮咨询 ------------------------------ */
.float-consult {
  position: fixed; right: 22px; bottom: 26px; z-index: 70;
  display: flex; flex-direction: column; gap: 10px;
}
.float-btn {
  width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center;
  background: #fff; color: var(--blue);
  border: 1px solid var(--line); box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease;
}
.float-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.float-btn.primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff; border-color: transparent;
}

/* ==========================================================================
   子页面组件
   ========================================================================== */

/* 子页面首屏 */
.hero-sub {
  padding: 56px 0 64px;
  background:
    radial-gradient(760px 320px at 88% -20%, rgba(19, 89, 240, 0.10), transparent 70%),
    #fff;
}
.hero-sub .hero-inner { grid-template-columns: 1fr; gap: 0; }
.hero-sub h1 { max-width: 820px; }
.hero-sub .hero-lead { max-width: 780px; margin-bottom: 0; }
.hero-sub.with-panel .hero-inner { grid-template-columns: 1.15fr 0.85fr; gap: 44px; align-items: center; }

/* 面包屑 */
.crumb { background: var(--bg-alt); border-bottom: 1px solid var(--line-2); }
.crumb .container { display: flex; align-items: center; padding: 12px 0; font-size: 13px; color: var(--text-3); }
.crumb a { color: var(--text-3); }
.crumb a:hover { color: var(--blue); }
.crumb .sep { margin: 0 8px; color: var(--line); }
.crumb .cur { color: var(--text-2); }

/* 接入顺序四步 */
.order-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 28px; }
.order-step {
  position: relative; padding: 22px 20px;
  border-radius: var(--radius); background: #fff;
  border: 1px solid var(--line);
}
.order-step::after {
  content: ""; position: absolute; top: 38px; right: -11px;
  width: 10px; height: 10px; border-top: 1.8px solid var(--line);
  border-right: 1.8px solid var(--line); transform: rotate(45deg);
}
.order-step:last-child::after { display: none; }
.order-no {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; color: var(--blue-dark); margin-bottom: 8px;
}
.order-no i {
  width: 20px; height: 20px; border-radius: 50%; font-style: normal;
  display: grid; place-items: center; font-size: 11.5px;
  background: var(--blue-light); color: var(--blue-dark);
}
.order-name { font-size: 15.5px; font-weight: 600; }
.order-body { margin-top: 8px; font-size: 13px; line-height: 1.7; color: var(--text-2); }
.order-hint { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); font-size: 12.5px; color: var(--text-3); }

/* 服务承诺 */
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.promise-card {
  padding: 26px; border-radius: var(--radius);
  background: var(--bg-alt); border: 1px solid var(--line-2);
  transition: transform .2s ease, box-shadow .2s ease;
}
.promise-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.promise-title { display: flex; align-items: center; gap: 8px; font-size: 17px; font-weight: 600; }
.promise-title svg { color: var(--teal); }
.promise-body { margin-top: 10px; font-size: 14px; line-height: 1.75; color: var(--text-2); }

/* 数据表 */
.data-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.data-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.data-table th, .data-table td {
  padding: 14px 16px; text-align: left; vertical-align: top;
  font-size: 13.5px; line-height: 1.65; border-bottom: 1px solid var(--line-2);
}
.data-table th { background: var(--bg-alt); color: var(--text); font-weight: 600; white-space: nowrap; }
.data-table td { color: var(--text-2); }
.data-table tr:last-child td { border-bottom: 0; }
.data-table td:first-child { color: var(--text); font-weight: 500; }
.table-scroll-hint { display: none; margin-top: 8px; font-size: 12px; color: var(--text-3); text-align: right; }

/* 时间轴 */
.timeline { position: relative; margin-top: 30px; padding-left: 26px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(180deg, var(--blue), var(--line));
}
.tl-item { position: relative; padding: 0 0 26px 20px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: -26px; top: 4px;
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 3px solid var(--blue);
}
.tl-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; }
.tl-name { font-size: 16px; font-weight: 600; }
.tl-period { font-size: 12.5px; color: var(--blue-dark); background: var(--blue-light); padding: 2px 8px; border-radius: 999px; }
.tl-body { margin-top: 8px; font-size: 13.5px; line-height: 1.7; color: var(--text-2); }
.tl-gain { margin-top: 8px; font-size: 13px; color: var(--text); }
.tl-gain b { color: var(--teal); font-weight: 600; }

/* 报告封面卡 */
.report-cover {
  width: 100%; max-width: 380px; padding: 26px;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, #0A1730, #122650);
  color: #fff; box-shadow: var(--shadow-lg);
}
.report-cover .rc-eyebrow { font-size: 12px; color: rgba(255, 255, 255, 0.55); letter-spacing: 1px; }
.report-cover h3 { margin: 10px 0 18px; font-size: 22px; color: #fff; }
.rc-rows { display: grid; gap: 10px; }
.rc-rows div { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; }
.rc-rows span:first-child { color: rgba(255, 255, 255, 0.55); }
.rc-rows span:last-child { color: #fff; text-align: right; }
.rc-note {
  margin-top: 18px; padding-top: 14px; font-size: 11.5px; line-height: 1.6;
  color: rgba(255, 255, 255, 0.5); border-top: 1px solid rgba(255, 255, 255, 0.14);
}

/* 报告目录 */
.toc { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.toc-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 18px; border-radius: var(--radius);
  border: 1px solid var(--line); background: #fff;
}
.toc-no {
  flex-shrink: 0; width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center; font-size: 13px; font-weight: 600;
  background: var(--blue-light); color: var(--blue-dark);
}
.toc-name { font-size: 15px; font-weight: 600; }
.toc-desc { margin-top: 4px; font-size: 12.5px; color: var(--text-3); line-height: 1.6; }

/* 结论卡 */
.conclusion-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.conclusion-card {
  padding: 24px; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
}
.conclusion-card.amber { border-top-color: var(--amber); }
.conclusion-card.teal { border-top-color: var(--teal); }
.conclusion-card h3 { font-size: 16.5px; line-height: 1.5; }
.conclusion-card ul { margin-top: 12px; display: grid; gap: 8px; }
.conclusion-card li {
  position: relative; padding-left: 14px;
  font-size: 13.5px; line-height: 1.7; color: var(--text-2);
}
.conclusion-card li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--line);
}

/* 漏点卡 */
.finding-list { display: grid; gap: 16px; }
.finding-card {
  display: grid; grid-template-columns: 1.6fr 1fr;
  gap: 24px; padding: 24px;
  border-radius: var(--radius); background: #fff;
  border: 1px solid var(--line);
  transition: box-shadow .2s ease, transform .2s ease;
}
.finding-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.finding-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.finding-no {
  font-size: 12px; padding: 2px 8px; border-radius: 999px;
  background: var(--bg-alt); color: var(--text-3);
}
.finding-title { font-size: 16px; font-weight: 600; line-height: 1.5; }
.finding-body { margin-top: 10px; display: grid; gap: 8px; }
.finding-row { font-size: 13.5px; line-height: 1.7; color: var(--text-2); }
.finding-row b { color: var(--text); font-weight: 600; }
.finding-side {
  border-left: 1px dashed var(--line); padding-left: 20px;
  display: grid; gap: 10px; align-content: start;
}
.finding-impact { font-size: 13px; color: var(--text-2); }
.finding-impact strong { display: block; font-size: 20px; color: #D92D20; letter-spacing: -0.5px; }
.finding-action { font-size: 13px; line-height: 1.7; color: var(--text-2); }
.finding-action b { color: var(--teal); }

/* 报告结语 */
.report-summary {
  padding: 30px; border-radius: var(--radius-lg);
  background: linear-gradient(140deg, #F3F7FF, #FFFFFF 70%);
  border: 1px solid #DCE8FE;
}
.report-summary p { font-size: 14.5px; line-height: 1.85; color: var(--text-2); }
.report-summary strong { color: var(--blue-dark); }

/* 诊断三步 */
.diag-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.diag-step {
  padding: 24px; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line);
  position: relative;
}
.diag-step .ds-time { font-size: 12.5px; color: var(--blue-dark); background: var(--blue-light); padding: 2px 9px; border-radius: 999px; display: inline-block; }
.diag-step h3 { margin-top: 12px; font-size: 16px; }
.diag-step p { margin-top: 8px; font-size: 13.5px; line-height: 1.7; color: var(--text-2); }

/* 案例详情大卡 */
.case-detail {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 26px; padding: 28px;
  border-radius: var(--radius-lg); background: #fff;
  border: 1px solid var(--line); box-shadow: var(--shadow);
  margin-bottom: 22px;
}
.cd-tag { display: inline-flex; padding: 3px 9px; border-radius: 999px; background: var(--blue-light); color: var(--blue-dark); font-size: 12px; }
.cd-title { margin-top: 12px; font-size: 20px; line-height: 1.45; }
.cd-block { margin-top: 14px; }
.cd-block h4 { font-size: 13px; color: var(--text-3); font-weight: 500; margin-bottom: 4px; }
.cd-block p { font-size: 14px; line-height: 1.75; color: var(--text-2); }
.cd-conclusion {
  margin-top: 16px; padding: 12px 14px;
  border-radius: var(--radius-sm); background: var(--blue-light);
  font-size: 13.5px; line-height: 1.7; color: var(--blue-dark);
}
.cd-conclusion b { font-weight: 600; }
.cd-side h4 { font-size: 13px; color: var(--text-3); font-weight: 500; margin-bottom: 10px; }
.compare { width: 100%; border-collapse: collapse; }
.compare th, .compare td {
  padding: 10px 8px; font-size: 13px; text-align: left;
  border-bottom: 1px solid var(--line-2);
}
.compare th { color: var(--text-3); font-weight: 500; background: var(--bg-alt); }
.compare th:first-child, .compare td:first-child { border-top-left-radius: 8px; border-bottom-left-radius: 8px; }
.compare td:first-child { color: var(--text); }
.compare td.num { font-weight: 600; color: var(--text); }
.compare td.delta { color: var(--teal); font-weight: 600; }

/* 筛选条 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.filter-btn {
  padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: #fff;
  font-size: 13px; color: var(--text-2);
  transition: all .18s ease;
}
.filter-btn.active { background: var(--blue); border-color: var(--blue); color: #fff; }

/* 案例总览条 */
.stats-inline {
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: 16px; text-align: center;
}
.stats-inline .num { font-size: 26px; font-weight: 600; color: #fff; letter-spacing: -0.6px; }
.stats-inline .num small { font-size: 14px; font-weight: 500; }
.stats-inline .label { margin-top: 2px; font-size: 12px; color: rgba(255, 255, 255, 0.62); }
.stats-inline-note { margin-top: 18px; text-align: center; font-size: 12px; color: rgba(255, 255, 255, 0.55); }

/* 平台说明块 */
.platform-note {
  padding: 26px; border-radius: var(--radius-lg);
  background: var(--bg-alt); border: 1px solid var(--line-2);
}
.platform-note h3 { margin-bottom: 8px; }
.platform-note p { font-size: 14px; line-height: 1.8; color: var(--text-2); }

/* 页内锚点偏移（sticky header） */
[id] { scroll-margin-top: 84px; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 34px; }
  .hero-panel { justify-self: start; max-width: 100%; }
  .hero-sub.with-panel .hero-inner { grid-template-columns: 1fr; gap: 30px; }

  .agent-grid { grid-template-columns: repeat(2, 1fr); }
  .base-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .layer-grid { grid-template-columns: 1fr; }
  .conclusion-grid { grid-template-columns: 1fr; }
  .promise-grid { grid-template-columns: 1fr; }
  .toc { grid-template-columns: 1fr; }
  .diag-steps { grid-template-columns: 1fr; }
  .order-flow { grid-template-columns: repeat(2, 1fr); }
  .order-step::after { display: none; }
  .finding-card { grid-template-columns: 1fr; }
  .finding-side { border-left: 0; border-top: 1px dashed var(--line); padding-left: 0; padding-top: 14px; }
  .case-detail { grid-template-columns: 1fr; }
  .ind-body { grid-template-columns: 1fr; gap: 24px; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); row-gap: 26px; }
  .stats-inline { grid-template-columns: repeat(3, 1fr); row-gap: 22px; }
  .cta-inner { grid-template-columns: 1fr; padding: 30px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .data-table-wrap { position: relative; }
  .table-scroll-hint { display: block; }
}

@media (max-width: 820px) {
  .container { width: calc(100% - 32px); }
  .section { padding: 56px 0; }
  .hero { padding: 44px 0 52px; }
  .hero-sub { padding: 40px 0 48px; }

  .nav-toggle { display: flex; }
  .nav-phone { display: none; }

  .main-nav {
    position: absolute; top: 68px; left: 0; right: 0;
    display: none; flex-direction: column; align-items: stretch; gap: 2px;
    padding: 12px 16px 18px;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 10px; border-radius: 8px; font-size: 15px; }

  .nav-actions .btn { height: 38px; padding: 0 14px; font-size: 13.5px; }
  .agent-grid { grid-template-columns: 1fr; }
  .base-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .order-flow { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-inline { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; }
  .float-consult { right: 14px; bottom: 16px; }
}

@media (max-width: 560px) {
  body { font-size: 14.5px; }
  h1 { font-size: 25px; }
  h2 { font-size: 22px; }
  .section { padding: 44px 0; }

  .hero-actions, .ind-foot { flex-direction: column; align-items: stretch; }
  .hero-actions .btn, .ind-foot .btn { width: 100%; }
  .agent-card, .case-card, .why-card, .news-card, .promise-card, .layer-card, .diag-step { padding: 20px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 20px 12px; }
  .stat-num { font-size: 24px; }
  .form-card { padding: 20px; }
  .cta-inner { padding: 22px; }
  .ind-tabs { width: 100%; }
  .ind-tab { flex: 1 1 auto; text-align: center; }
  .toc-item { padding: 15px; }
  .float-btn { width: 44px; height: 44px; }
}

/* ==========================================================================
   v2 · 首页首屏 / 数据条 / 悬浮条 对齐参考站视觉
   ========================================================================== */

/* 头部：深色玻璃，压在首屏之上 */
body.home .site-header {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(8, 14, 24, 0.42);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px) saturate(150%);
}
body.home .site-header .logo,
body.home .site-header .main-nav a,
body.home .site-header .nav-phone,
body.home .site-header .nav-phone strong { color: #fff; }
body.home .site-header .logo-sub { color: rgba(255, 255, 255, 0.68); }
body.home .site-header .main-nav a:hover,
body.home .site-header .main-nav a.active { color: #fff; background: rgba(255, 255, 255, 0.16); }
body.home .site-header .nav-toggle { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.28); color: #fff; }
body.home .site-header .btn-primary { background: #E8382F; box-shadow: 0 8px 20px rgba(232, 56, 47, 0.28); }
body.home .site-header .btn-primary:hover { background: #D22D24; }

/* 首屏：全屏影像底 */
.hero-media {
  position: relative; display: flex; align-items: center;
  min-height: 708px; padding: 0;
  background: #0A1424; color: #fff; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-video { width: 100%; height: 100%; object-fit: cover; object-position: 50% 42%; }
.hero-bg-mask {
  position: absolute; inset: 0;
  background: linear-gradient(90deg,
    rgba(6, 12, 22, 0.80) 0%,
    rgba(6, 12, 22, 0.62) 36%,
    rgba(6, 12, 22, 0.26) 62%,
    rgba(6, 12, 22, 0.06) 100%);
}
.hero-media .hero-inner {
  position: relative; z-index: 1;
  width: min(1180px, calc(100% - 48px));
  grid-template-columns: 1.02fr 0.98fr; gap: 48px;
  align-items: center; padding: 118px 0 86px;
}
.hero-media h1 {
  color: #fff; font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.34; font-weight: 700; letter-spacing: -0.6px;
  max-width: 660px;
}
.hero-media h1 em { color: #fff; }
.hero-media .hero-lead {
  color: rgba(255, 255, 255, 0.86); font-size: 15.5px; line-height: 1.85;
  max-width: 560px; margin-bottom: 30px;
}
.hero-media .hero-actions { margin-bottom: 0; gap: 14px; }
.hero-media .btn { height: 48px; padding: 0 26px; border-radius: 8px; font-size: 15px; }
.hero-media .btn-primary { background: #E8382F; box-shadow: 0 10px 24px rgba(232, 56, 47, 0.30); }
.hero-media .btn-primary:hover { background: #D22D24; box-shadow: 0 14px 30px rgba(232, 56, 47, 0.36); }
.hero-media .btn-ghost { background: transparent; border: 1px solid rgba(255, 255, 255, 0.80); color: #fff; }
.hero-media .btn-ghost:hover { background: rgba(255, 255, 255, 0.14); border-color: #fff; color: #fff; }

/* 首屏对话卡：玻璃质感 */
.hero-media .hero-panel {
  background: rgba(10, 16, 28, 0.46);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px; padding: 18px 18px 14px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(16px) saturate(140%);
  color: #fff;
}
.hero-media .panel-head { border-bottom-color: rgba(255, 255, 255, 0.14); }
.hero-media .panel-title { color: #fff; }
.hero-media .panel-meta { color: rgba(255, 255, 255, 0.60); }
.hero-media .panel-live { color: #7CE0B4; }
.hero-media .log-bubble { background: rgba(255, 255, 255, 0.14); color: rgba(255, 255, 255, 0.94); }
.hero-media .log-row.right .log-bubble { background: rgba(19, 89, 240, 0.86); color: #fff; }
.hero-media .log-time { color: rgba(255, 255, 255, 0.55); }
.hero-media .log-row.right .log-time { color: rgba(255, 255, 255, 0.72); }
.hero-media .log-card { background: rgba(255, 255, 255, 0.10); border-color: rgba(255, 255, 255, 0.16); box-shadow: none; }
.hero-media .log-card .log-title { color: #fff; }
.hero-media .log-rows div { color: rgba(255, 255, 255, 0.70); }
.hero-media .log-rows div span:last-child { color: #fff; }
.hero-media .log-rows div.bad span:last-child { color: #FF9A8F; }
.hero-media .log-hint { color: rgba(255, 255, 255, 0.55); }
.hero-media .panel-foot { border-top-color: rgba(255, 255, 255, 0.14); color: rgba(255, 255, 255, 0.55); }

/* 数据条：白底带图标 */
.stats .stats-grid { grid-template-columns: repeat(5, 1fr); gap: 10px; text-align: left; }
.stats .stats-item { display: flex; align-items: center; gap: 12px; }
.stat-icon { width: 46px; height: 46px; object-fit: contain; flex-shrink: 0; }
.stats .stat-num { color: var(--text); font-size: 28px; font-weight: 700; letter-spacing: -0.6px; line-height: 1.14; }
.stats .stat-num small { color: var(--text); font-size: 15px; font-weight: 600; }
.stats .stat-label { margin-top: 2px; font-size: 12.5px; color: #7A8699; }
.stats .stats-note { margin-top: 16px; text-align: center; font-size: 12px; color: #98A2B3; }

/* 右侧悬浮条：竖排卡片 */
.float-consult { position: fixed; right: 18px; bottom: 96px; z-index: 70; display: flex; flex-direction: column; gap: 8px; }
.float-item {
  width: 62px; padding: 9px 0 8px; border-radius: 10px;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  background: #fff; color: var(--text-2);
  border: 1px solid var(--line); box-shadow: 0 8px 22px rgba(16, 24, 40, 0.10);
  font-size: 11.5px; line-height: 1.2; text-align: center;
  transition: transform .18s ease, box-shadow .18s ease, color .18s ease;
}
.float-item:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(16, 24, 40, 0.16); color: var(--blue); }
.float-item.is-primary { background: #E8382F; border-color: #E8382F; color: #fff; }
.float-item.is-primary:hover { background: #D22D24; color: #fff; }

@media (max-width: 1080px) {
  .hero-media .hero-inner { grid-template-columns: 1fr; gap: 34px; padding: 108px 0 68px; }
  .hero-media .hero-panel { justify-self: start; max-width: 100%; }
  .stats .stats-grid { grid-template-columns: repeat(3, 1fr); row-gap: 22px; }
}
@media (max-width: 820px) {
  .hero-media { min-height: auto; }
  .hero-media h1 { font-size: 30px; }
  .stats .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 20px; }
}
@media (max-width: 560px) {
  .hero-media .hero-inner { padding: 92px 0 52px; }
  .hero-media .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-media .btn { width: 100%; }
  .hero-video { display: none; }
  .hero-bg { background: url(assets/img/ref/video_banner.jpg) center / cover no-repeat; }
  .stats .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-icon { width: 38px; height: 38px; }
  .stats .stat-num { font-size: 24px; }
  .float-consult { right: 10px; bottom: 14px; gap: 6px; }
  .float-item { width: 54px; font-size: 11px; }
}

/* ==========================================================================
   v3 · 首屏细节对齐参考站（明亮影像、白底次按钮、浅玻璃对话卡）
   ========================================================================== */
.hero-bg-mask {
  background: linear-gradient(96deg,
    rgba(6, 12, 22, 0.52) 0%,
    rgba(6, 12, 22, 0.34) 34%,
    rgba(6, 12, 22, 0.14) 62%,
    rgba(6, 12, 22, 0.02) 100%);
}
.hero-media h1 {
  font-size: clamp(28px, 2.9vw, 40px);
  line-height: 1.46; font-weight: 700; letter-spacing: -0.4px;
  max-width: 500px;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.28);
}
.hero-media .hero-lead {
  font-size: 14.5px; line-height: 1.95; letter-spacing: 0.1px;
  max-width: 452px; margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.30);
}
.hero-media .btn-ghost {
  background: #fff; border-color: #fff; color: #16233A;
  font-weight: 500;
}
.hero-media .btn-ghost:hover { background: rgba(255, 255, 255, 0.90); border-color: #fff; color: #0B3FB8; }
.hero-media .hero-actions { gap: 16px; }

/* 对话卡：浅玻璃，气泡为主角 */
.hero-media .hero-panel {
  max-width: 404px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.26);
  box-shadow: 0 26px 60px rgba(4, 10, 20, 0.32);
  backdrop-filter: blur(14px) saturate(150%);
}
.hero-media .panel-head { border-bottom-color: rgba(255, 255, 255, 0.22); }
.hero-media .panel-title { color: #fff; font-size: 13.5px; }
.hero-media .panel-meta { color: rgba(255, 255, 255, 0.78); }
.hero-media .log-bubble { background: rgba(255, 255, 255, 0.88); color: #16233A; }
.hero-media .log-row.right .log-bubble { background: #fff; color: #16233A; }
.hero-media .log-time { color: rgba(22, 35, 58, 0.55); }
.hero-media .log-row.right .log-time { color: rgba(22, 35, 58, 0.55); }
.hero-media .log-bubble b { color: #0B3FB8; }
.hero-media .log-card { background: rgba(255, 255, 255, 0.94); border-color: rgba(255, 255, 255, 0.9); }
.hero-media .log-card .log-title { color: #16233A; }
.hero-media .log-rows div { color: #475467; }
.hero-media .log-rows div span:last-child { color: #101828; }
.hero-media .log-rows div.bad span:last-child { color: #D92D20; }
.hero-media .log-hint { color: #8A94A6; }
.hero-media .panel-foot { border-top-color: rgba(255, 255, 255, 0.22); color: rgba(255, 255, 255, 0.80); }

/* 头部：去掉分割线，导航选中态只保留字色 */
body.home .site-header { border-bottom: 0; background: rgba(8, 14, 24, 0.28); }
body.home .site-header .main-nav a.active { background: transparent; color: #fff; font-weight: 600; }
body.home .site-header .main-nav a:hover { background: rgba(255, 255, 255, 0.12); }
body.home .site-header .nav-phone strong { font-weight: 600; }

/* 数据条：与参考站一致的分隔留白 */
.stats .stats-grid { gap: 8px; }

@media (max-width: 1080px) {
  .hero-media h1 { max-width: 100%; }
}
@media (max-width: 560px) {
  .hero-bg-mask { background: linear-gradient(180deg, rgba(6, 12, 22, 0.55), rgba(6, 12, 22, 0.35)); }
}

/* ==========================================================================
   v4 · 首屏版式精调（对齐参考站：文案居中偏上、对话卡右下、悬浮条居中）
   ========================================================================== */
.hero-media .hero-inner { padding: 100px 0 64px; align-items: end; }
.hero-media .hero-copy { align-self: center; }
.hero-media .hero-panel { align-self: end; max-width: 396px; padding: 16px 16px 12px; }

.hero-media .panel-head { padding-bottom: 12px; margin-bottom: 12px; }
.hero-media .panel-title { font-size: 13.5px; }
.hero-media .panel-meta { font-size: 11.5px; }
.hero-media .panel-log[data-scenes] { min-height: 0; }
.hero-media .panel-log { gap: 8px; }
.hero-media .panel-scene.is-active { gap: 8px; }
.hero-media .log-bubble { font-size: 13px; line-height: 1.55; padding: 9px 12px; }
.hero-media .log-card { padding: 10px 12px; }
.hero-media .log-card .log-title { font-size: 12.5px; }
.hero-media .log-rows div { font-size: 12px; }
.hero-media .log-hint { font-size: 11.5px; margin-top: 6px; }
.hero-media .panel-foot { margin-top: 10px; padding-top: 10px; font-size: 11.5px; }

.float-consult { top: 50%; bottom: auto; right: 20px; transform: translateY(-50%); }

@media (max-width: 1080px) {
  .hero-media .hero-inner { padding: 96px 0 56px; align-items: start; }
  .hero-media .hero-copy { align-self: start; }
  .hero-media .hero-panel { align-self: start; margin-top: 28px; }
}
@media (max-width: 820px) {
  .hero-media .hero-panel { max-width: 100%; }
}
@media (max-width: 560px) {
  .float-consult { top: auto; bottom: 14px; transform: none; right: 10px; }
}

/* ==========================================================================
   v5 · 首屏撑满 / 数据条压紧
   ========================================================================== */
.hero-media { align-items: stretch; }
.hero-media .hero-inner { height: 100%; padding: 100px 0 52px; }
.hero-media .hero-copy { align-self: center; }
.hero-media .hero-panel { align-self: end; }

.section-dark.stats { padding: 18px 0 14px; }
.stats .stats-grid { gap: 8px; }
.stat-icon { width: 40px; height: 40px; }
.stats .stat-num { font-size: 27px; }
.stats .stats-note { margin-top: 12px; }

@media (max-width: 1080px) {
  .hero-media .hero-inner { height: auto; padding: 96px 0 56px; }
  .hero-media .hero-panel { align-self: start; }
}

/* v6 · 窄屏隐藏右侧悬浮条（参考站移动端不显示竖排卡片，避免遮挡） */
@media (max-width: 820px) {
  .float-consult { display: none; }
}

/* ==========================================================================
   v8 · 首页整页视觉重构（对齐参考站版式语言）
   区块：数据条 / 平台总述 / AI 员工 / 数据底座 / 行业方案 / 案例 / 理由 / 资讯 / CTA / 页脚
   ========================================================================== */

.sec { padding: 84px 0; background: #fff; }
.sec-gray { background: #F5F7FB; }
.sec-night { background: #16233A; color: #fff; }
.sec-night .sec-head h2 { color: #fff; }
.sec-night .sec-sub { color: rgba(255, 255, 255, 0.72); }

.sec-head { max-width: 880px; margin: 0 auto 42px; text-align: center; }
.sec-head h2 {
  font-size: clamp(25px, 2.4vw, 34px); line-height: 1.34;
  font-weight: 700; letter-spacing: -0.6px; color: #16233A;
}
.sec-sub {
  margin: 14px auto 0; max-width: 820px;
  font-size: 14.5px; line-height: 1.85; color: #667085;
}
.sec-head-left { margin: 0 0 26px; text-align: left; max-width: 780px; }
.sec-head-left .sec-sub { margin-left: 0; }

.sec-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 22px; }
.sec-foot-note { text-align: center; font-size: 12px; color: #98A2B3; margin-top: 18px; }
.sec-foot .sec-foot-note { margin: 0; text-align: left; }

/* ------------------------------ 数据条 ------------------------------ */
.stats-band { background: #fff; border-bottom: 1px solid #EDF1F7; padding: 22px 0 18px; }
.stats-band .stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; text-align: left; }
.stats-band .stats-item { display: flex; align-items: center; gap: 12px; }
.stats-band .stat-num { color: #16233A; font-size: 27px; font-weight: 700; letter-spacing: -0.6px; line-height: 1.16; }
.stats-band .stat-num small { color: #16233A; font-size: 15px; font-weight: 600; margin-left: 2px; }
.stats-band .stat-label { margin-top: 2px; font-size: 12.5px; color: #7A8699; }
.stats-band .stats-note { margin-top: 14px; text-align: center; font-size: 12px; color: #98A2B3; }

/* ------------------------------ 平台总述 ------------------------------ */
.plat-duo { display: grid; grid-template-columns: 1.55fr 1fr; gap: 20px; }

.plat-hero {
  position: relative; overflow: hidden;
  border-radius: 20px; padding: 34px 34px 30px; min-height: 336px;
  background: linear-gradient(135deg, #EDE9FE 0%, #DCD5FB 55%, #CFC6F8 100%);
}
.plat-hero-copy { position: relative; z-index: 2; max-width: 56%; }
.plat-hero-copy h3 {
  font-size: clamp(20px, 1.9vw, 26px); line-height: 1.4; font-weight: 700;
  color: #241C4A; letter-spacing: -0.4px;
}
.plat-hero-copy p { margin-top: 14px; font-size: 13.5px; line-height: 1.8; color: #4A4470; }
.plat-cta {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 22px;
  height: 40px; padding: 0 20px; border-radius: 999px;
  background: #E8382F; color: #fff; font-size: 13.5px; font-weight: 500;
  transition: background .18s ease, transform .18s ease;
}
.plat-cta:hover { background: #D22D24; transform: translateY(-1px); }

.plat-hero-art { position: absolute; right: -6px; bottom: -12px; width: 46%; z-index: 1; }
.art-card {
  background: #fff; border-radius: 16px; padding: 16px 16px 14px;
  box-shadow: 0 20px 44px rgba(60, 40, 140, 0.18);
  transform: rotate(-2deg);
}
.art-row { display: flex; align-items: center; gap: 6px; font-size: 11.5px; color: #667085; }
.art-dot { width: 7px; height: 7px; border-radius: 50%; background: #1D9E75; }
.art-bars { display: flex; align-items: flex-end; gap: 7px; height: 74px; margin: 12px 0 10px; }
.art-bars i { flex: 1; border-radius: 6px 6px 3px 3px; background: linear-gradient(180deg, #8B7BF7, #6355E0); }
.art-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.art-tags span { font-size: 10.5px; padding: 2px 7px; border-radius: 999px; background: #F1F4FA; color: #5A677D; }
.art-float {
  position: absolute; right: 18px; bottom: 74px;
  background: #fff; border-radius: 14px; padding: 10px 14px;
  box-shadow: 0 14px 30px rgba(60, 40, 140, 0.20); text-align: center;
}
.art-float-k { display: block; font-size: 10.5px; color: #8A94A6; }
.art-float-v { display: block; font-size: 17px; font-weight: 700; color: #E8382F; letter-spacing: -0.3px; }

.plat-side {
  position: relative; overflow: hidden;
  border-radius: 20px; padding: 30px 28px; min-height: 336px;
  background: linear-gradient(135deg, #E9F8F3 0%, #D8F1E8 100%);
  display: flex; flex-direction: column;
}
.plat-side h3 { font-size: 21px; font-weight: 700; color: #12463A; letter-spacing: -0.4px; }
.plat-side > p { margin-top: 10px; font-size: 13.5px; line-height: 1.75; color: #2F6B5C; }
.plat-side-art { margin: 14px 0 12px; height: 120px; }
.plat-phone-btn {
  margin-top: auto; display: flex; align-items: center; gap: 10px;
  background: #fff; border-radius: 999px; padding: 8px 16px 8px 8px;
  box-shadow: 0 10px 24px rgba(18, 70, 58, 0.12); width: fit-content;
}
.ppb-icon {
  width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: #1D9E75; color: #fff; flex-shrink: 0;
}
.ppb-text b { display: block; font-size: 14px; font-weight: 700; color: #16233A; letter-spacing: 0.2px; }
.ppb-text i { display: block; font-size: 11px; color: #7A8699; font-style: normal; }

.layer-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 22px; }
.layer-box {
  background: #fff; border: 1px solid #EFF2F7; border-radius: 18px;
  padding: 26px 24px 22px; box-shadow: 0 10px 28px rgba(16, 24, 40, 0.05);
}
.layer-flag {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  background: #F1F4FA; color: #667085; font-size: 11.5px; font-weight: 500;
}
.layer-box h3 { margin-top: 12px; font-size: 18px; font-weight: 700; color: #16233A; }
.layer-box p { margin-top: 9px; font-size: 13px; line-height: 1.8; color: #667085; }
.layer-note { display: inline-block; margin-top: 14px; font-size: 12px; color: #98A2B3; }
.layer-box.is-on {
  border-color: #C7D8FF;
  box-shadow: 0 18px 40px rgba(19, 89, 240, 0.14);
}
.layer-box.is-on .layer-flag { background: #E8F0FF; color: #1359F0; }
.layer-box.is-on .layer-note { color: #1359F0; font-weight: 500; }

/* ------------------------------ AI 员工 ------------------------------ */
.agent-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.agent-card {
  background: #fff; border: 1px solid #EFF2F7; border-radius: 18px;
  padding: 26px 24px 22px; box-shadow: 0 10px 28px rgba(16, 24, 40, 0.05);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display: flex; flex-direction: column;
}
.agent-card:hover { transform: translateY(-4px); box-shadow: 0 20px 44px rgba(16, 24, 40, 0.10); border-color: #DCE6F8; }
.agent-icon {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  background: linear-gradient(135deg, #E8F0FF, #D3E2FF); color: #1359F0;
}
.agent-icon.amber { background: linear-gradient(135deg, #FFF2E0, #FFE3BE); color: #C77700; }
.agent-icon.teal { background: linear-gradient(135deg, #E4F7F0, #CDEFE2); color: #12805E; }
.agent-icon.purple { background: linear-gradient(135deg, #F0EDFF, #DED7FF); color: #6355E0; }
.agent-icon.pink { background: linear-gradient(135deg, #FDECF5, #FAD7E8); color: #C2508F; }
.agent-icon.slate { background: linear-gradient(135deg, #EAF3F8, #D6E7F0); color: #46738C; }
.agent-name { margin-top: 16px; font-size: 19px; font-weight: 700; color: #16233A; letter-spacing: -0.3px; }
.agent-role { margin-top: 4px; font-size: 12.5px; color: #1359F0; font-weight: 500; }
.agent-desc { margin-top: 10px; font-size: 13px; line-height: 1.8; color: #667085; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.tag {
  display: inline-block; padding: 3px 9px; border-radius: 999px;
  background: #F2F5FA; color: #5A677D; font-size: 11.5px; white-space: nowrap;
}
.agent-metric {
  margin-top: auto; padding-top: 16px; border-top: 1px solid #F1F4FA;
  display: flex; align-items: baseline; gap: 6px;
}
.agent-metric .num { font-size: 30px; font-weight: 700; color: #1359F0; letter-spacing: -1px; line-height: 1; }
.agent-metric .unit { font-size: 12px; color: #8A94A6; }

/* ------------------------------ 数据底座 ------------------------------ */
.base-board {
  display: grid; grid-template-columns: 300px 1fr;
  background: #fff; border-radius: 20px; overflow: hidden;
  border: 1px solid #EFF2F7; box-shadow: 0 14px 36px rgba(16, 24, 40, 0.06);
}
.base-intro { padding: 30px 26px; background: linear-gradient(150deg, #F0EEFF 0%, #E2DBFF 100%); }
.base-intro h3 { font-size: 20px; line-height: 1.45; font-weight: 700; color: #241C4A; letter-spacing: -0.4px; }
.base-intro-list { margin-top: 16px; display: grid; gap: 9px; }
.base-intro-list li { position: relative; padding-left: 14px; font-size: 12.5px; line-height: 1.6; color: #4A4470; }
.base-intro-list li::before { content: ""; position: absolute; left: 0; top: 7px; width: 5px; height: 5px; border-radius: 50%; background: #7B61FF; }
.base-link { display: inline-flex; align-items: center; gap: 5px; margin-top: 20px; font-size: 13px; font-weight: 600; color: #E8382F; }
.base-cols { display: grid; grid-template-columns: repeat(4, 1fr); }
.base-col { padding: 26px 20px; border-left: 1px solid #EFF2F7; }
.base-col h4 { font-size: 14.5px; font-weight: 700; color: #16233A; line-height: 1.5; }
.base-col p { margin-top: 10px; font-size: 12.5px; line-height: 1.8; color: #667085; }
.base-map { display: inline-block; margin-top: 12px; font-size: 11.5px; color: #1359F0; }

.flow-wrap { margin-top: 56px; }
.flow-title { font-size: clamp(20px, 1.9vw, 25px); font-weight: 700; color: #16233A; }
.flow-line {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  margin: 0; padding: 0; list-style: none; counter-reset: flow;
}
.flow-line li {
  position: relative; background: #fff; border-radius: 16px; padding: 22px 20px;
  border: 1px solid #EFF2F7; box-shadow: 0 10px 26px rgba(16, 24, 40, 0.05);
}
.flow-no {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1px;
  color: #1359F0; background: #E8F0FF; padding: 2px 8px; border-radius: 6px;
}
.flow-line h4 { margin-top: 12px; font-size: 16px; font-weight: 700; color: #16233A; }
.flow-line p { margin-top: 8px; font-size: 12.5px; line-height: 1.8; color: #667085; }

/* ------------------------------ 行业方案（深色） ------------------------------ */
.ind-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.ind-tab {
  height: 40px; padding: 0 24px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, 0.18);
  background: transparent; color: rgba(255, 255, 255, 0.78);
  font-size: 14px; font-weight: 500; transition: all .18s ease;
}
.ind-tab:hover { color: #fff; border-color: rgba(255, 255, 255, 0.42); }
.ind-tab.active { background: #E8382F; border-color: #E8382F; color: #fff; font-weight: 600; }

.ind-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: 18px; }
.ind-main {
  position: relative; overflow: hidden; border-radius: 20px; padding: 32px 32px 30px;
  background: linear-gradient(135deg, #2A3F63 0%, #1B2A44 62%, #16233A 100%);
  border: 1px solid rgba(255, 255, 255, 0.10); min-height: 372px;
}
.ind-main-copy { position: relative; z-index: 2; max-width: 60%; }
.ind-main-copy h3 { font-size: clamp(19px, 1.8vw, 24px); font-weight: 700; color: #fff; letter-spacing: -0.4px; line-height: 1.4; }
.ind-main-copy > p { margin-top: 12px; font-size: 13px; line-height: 1.85; color: rgba(255, 255, 255, 0.72); }
.ind-points { margin-top: 16px; display: grid; gap: 8px; }
.ind-points li { position: relative; padding-left: 14px; font-size: 12.5px; line-height: 1.7; color: rgba(255, 255, 255, 0.78); }
.ind-points li::before { content: ""; position: absolute; left: 0; top: 7px; width: 5px; height: 5px; border-radius: 50%; background: #7EA6FF; }
.ind-points b { color: #fff; font-weight: 600; }
.ind-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.btn-red { background: #E8382F; color: #fff; }
.btn-red:hover { background: #D22D24; }
.btn-line-light { background: transparent; border-color: rgba(255, 255, 255, 0.55); color: #fff; }
.btn-line-light:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; color: #fff; }
.ind-main-art { position: absolute; right: 0; bottom: 0; width: 54%; z-index: 1; opacity: .95; }

.ind-side {
  border-radius: 20px; padding: 28px 26px; background: #EEF0FB; color: #16233A;
  display: flex; flex-direction: column;
}
.ind-side h4 { font-size: 16px; font-weight: 700; }
.ind-side ul { margin-top: 14px; display: grid; gap: 9px; }
.ind-side li { position: relative; padding-left: 14px; font-size: 12.5px; line-height: 1.7; color: #4A5568; }
.ind-side li::before { content: ""; position: absolute; left: 0; top: 7px; width: 5px; height: 5px; border-radius: 50%; background: #7B61FF; }
.ind-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: auto; padding-top: 20px; }
.ind-metrics > div { background: #fff; border-radius: 12px; padding: 10px 8px; text-align: center; }
.ind-metrics .num { display: block; font-size: 17px; font-weight: 700; color: #1359F0; letter-spacing: -0.3px; }
.ind-metrics .label { display: block; margin-top: 3px; font-size: 10.5px; color: #8A94A6; line-height: 1.4; }
.ind-note { margin-top: 12px; font-size: 11px; color: #98A2B3; }

/* ------------------------------ 客户案例 ------------------------------ */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.case-card {
  position: relative; background: #fff; border: 1px solid #EFF2F7; border-radius: 18px;
  padding: 26px 24px 22px; box-shadow: 0 10px 28px rgba(16, 24, 40, 0.05);
  overflow: hidden; display: flex; flex-direction: column;
}
.case-card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, #1359F0, #7B61FF);
}
.case-tag {
  display: inline-block; align-self: flex-start; padding: 3px 10px; border-radius: 999px;
  background: #E8F0FF; color: #1359F0; font-size: 11.5px; font-weight: 500;
}
.case-title { margin-top: 12px; font-size: 16px; font-weight: 700; line-height: 1.55; color: #16233A; }
.case-body { margin-top: 9px; font-size: 12.5px; line-height: 1.8; color: #667085; }
.case-metrics { margin-top: auto; padding-top: 16px; display: grid; gap: 8px; }
.case-metrics > div { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 12.5px; }
.case-metrics span { color: #8A94A6; }
.case-metrics b { color: #16233A; font-weight: 600; }
.case-metrics b::after { content: ""; }

/* ------------------------------ 为什么选 ------------------------------ */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.why-card {
  background: #fff; border-radius: 18px; padding: 30px 26px;
  border: 1px solid #EFF2F7; box-shadow: 0 10px 28px rgba(16, 24, 40, 0.05);
}
.why-icon {
  width: 54px; height: 54px; border-radius: 15px; display: grid; place-items: center;
  background: linear-gradient(135deg, #E8F0FF, #D3E2FF); color: #1359F0;
}
.why-icon.green { background: linear-gradient(135deg, #E4F7F0, #CDEFE2); color: #12805E; }
.why-icon.purple { background: linear-gradient(135deg, #F0EDFF, #DED7FF); color: #6355E0; }
.why-card h3 { margin-top: 18px; font-size: 18px; font-weight: 700; color: #16233A; }
.why-card p { margin-top: 10px; font-size: 13px; line-height: 1.85; color: #667085; }

/* ------------------------------ 资讯 ------------------------------ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.news-card {
  background: #fff; border: 1px solid #EFF2F7; border-radius: 18px; overflow: hidden;
  box-shadow: 0 10px 28px rgba(16, 24, 40, 0.05);
  display: flex; flex-direction: column; transition: transform .2s ease, box-shadow .2s ease;
}
.news-card:hover { transform: translateY(-4px); box-shadow: 0 20px 44px rgba(16, 24, 40, 0.10); }
.news-thumb { height: 158px; overflow: hidden; }
.news-thumb-1 { background: linear-gradient(135deg, #2B4C8C, #17325F); }
.news-thumb-2 { background: linear-gradient(135deg, #1D9E75, #14705A); }
.news-thumb-3 { background: linear-gradient(135deg, #7B61FF, #4B3BC0); }
.news-body-wrap { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.news-date { font-size: 11.5px; color: #98A2B3; letter-spacing: 0.2px; }
.news-title { margin-top: 8px; font-size: 16px; font-weight: 700; line-height: 1.55; color: #16233A; }
.news-body { margin-top: 8px; font-size: 12.5px; line-height: 1.8; color: #667085; }
.news-more {
  margin-top: auto; padding-top: 16px; display: inline-flex; align-items: center; gap: 5px;
  font-size: 12.5px; font-weight: 500; color: #1359F0;
}
.news-more:hover { color: #0B3FB8; }

/* ------------------------------ CTA ------------------------------ */
.cta-night {
  position: relative; overflow: hidden;
  background:
    radial-gradient(680px 340px at 88% 0%, rgba(19, 89, 240, 0.35), transparent 70%),
    radial-gradient(520px 300px at 4% 100%, rgba(123, 97, 255, 0.22), transparent 70%),
    #16233A;
  color: #fff; padding: 78px 0;
}
.cta-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.cta-copy h2 { font-size: clamp(24px, 2.3vw, 32px); font-weight: 700; letter-spacing: -0.6px; line-height: 1.36; color: #fff; }
.cta-lead { margin-top: 14px; font-size: 14px; line-height: 1.85; color: rgba(255, 255, 255, 0.76); max-width: 480px; }
.cta-list { margin-top: 22px; display: grid; gap: 10px; }
.cta-list li { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, 0.86); }
.cta-list svg { color: #5FD3A9; flex-shrink: 0; }

.form-card {
  background: #fff; border-radius: 20px; padding: 28px 26px 22px;
  box-shadow: 0 26px 60px rgba(6, 12, 24, 0.34); color: #16233A;
}
.form-card h3 { font-size: 19px; font-weight: 700; color: #16233A; }
.form-tip { margin-top: 6px; font-size: 12.5px; color: #8A94A6; }
.field { display: block; margin-top: 14px; }
.field > span { display: block; margin-bottom: 6px; font-size: 12.5px; color: #475467; }
.field input, .field select {
  width: 100%; height: 42px; padding: 0 12px; border-radius: 10px;
  border: 1px solid #E4E9F2; background: #FAFBFD; font-size: 13.5px; color: #16233A;
  font-family: inherit; outline: none; transition: border-color .18s ease, background .18s ease;
}
.field input::placeholder { color: #A9B2C1; }
.field input:focus, .field select:focus { border-color: #1359F0; background: #fff; }
.form-card .btn-block { margin-top: 18px; height: 46px; border-radius: 10px; }
.form-feedback { margin-top: 10px; font-size: 12.5px; color: #1D9E75; min-height: 18px; }
.form-note { margin-top: 10px; font-size: 11px; color: #A9B2C1; line-height: 1.6; }

/* ------------------------------ 页脚 ------------------------------ */
.site-footer { background: #0D1728; color: rgba(255, 255, 255, 0.68); padding: 56px 0 26px; }
.site-footer .footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.site-footer .logo { color: #fff; }
.site-footer .logo-mark { background: linear-gradient(135deg, #1359F0, #7B61FF); }
.footer-brand p { margin-top: 14px; font-size: 12.5px; line-height: 1.85; color: rgba(255, 255, 255, 0.56); max-width: 340px; }
.footer-col h4 { font-size: 13.5px; font-weight: 600; color: #fff; margin-bottom: 12px; }
.footer-col a, .footer-col span { display: block; font-size: 12.5px; line-height: 1.9; color: rgba(255, 255, 255, 0.62); }
.footer-col a:hover { color: #fff; }
.footer-cities { margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.10); }
.footer-cities p { font-size: 12px; color: rgba(255, 255, 255, 0.42); }
.footer-bottom {
  margin-top: 14px; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: 11.5px; color: rgba(255, 255, 255, 0.40);
}

/* ------------------------------ 响应式 ------------------------------ */
@media (max-width: 1080px) {
  .sec { padding: 64px 0; }
  .plat-duo, .ind-grid, .cta-grid { grid-template-columns: 1fr; }
  .plat-hero-copy, .ind-main-copy { max-width: 100%; }
  .plat-hero-art { position: relative; right: auto; bottom: auto; width: 68%; margin: 22px 0 -20px auto; }
  .ind-main-art { position: relative; width: 62%; margin: 20px 0 -16px auto; opacity: .9; }
  .layer-row, .agent-grid, .case-grid, .why-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .base-board { grid-template-columns: 1fr; }
  .base-cols { grid-template-columns: repeat(2, 1fr); }
  .base-col { border-left: 0; border-top: 1px solid #EFF2F7; }
  .flow-line { grid-template-columns: repeat(2, 1fr); }
  .site-footer .footer-top { grid-template-columns: 1fr 1fr; gap: 26px; }
  .stats-band .stats-grid { grid-template-columns: repeat(3, 1fr); row-gap: 20px; }
}
@media (max-width: 820px) {
  .sec { padding: 52px 0; }
  .layer-row, .agent-grid, .case-grid, .why-grid, .news-grid { grid-template-columns: 1fr; }
  .base-cols { grid-template-columns: 1fr; }
  .flow-line { grid-template-columns: 1fr; }
  .stats-band .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .ind-side, .plat-side { min-height: auto; }
  .sec-foot { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .sec-head { margin-bottom: 30px; }
  .plat-hero, .plat-side, .ind-main, .ind-side { padding: 24px 20px; border-radius: 16px; }
  .agent-card, .case-card, .why-card { padding: 22px 18px; }
  .ind-metrics { grid-template-columns: 1fr 1fr; }
  .ind-tabs { gap: 8px; }
  .ind-tab { height: 36px; padding: 0 16px; font-size: 13px; }
  .plat-hero-art { width: 100%; }
  .site-footer .footer-top { grid-template-columns: 1fr; }
  .stats-band .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-card { padding: 22px 18px 18px; }
}

/* ==========================================================================
   v8.1 · 深色区 Tab 覆盖旧容器样式 + 首屏下方紫卡插画微调
   ========================================================================== */
.sec-night .ind-tabs {
  background: transparent; border: 0; padding: 0;
  width: auto; max-width: 100%; border-radius: 0;
}
.sec-night .ind-tab {
  background: transparent; border: 1px solid rgba(255, 255, 255, 0.20);
  color: rgba(255, 255, 255, 0.80); padding: 0 24px; height: 40px;
  font-size: 14px; font-weight: 500; border-radius: 999px;
}
.sec-night .ind-tab:hover { color: #fff; border-color: rgba(255, 255, 255, 0.45); background: rgba(255, 255, 255, 0.06); }
.sec-night .ind-tab.active { background: #E8382F; border-color: #E8382F; color: #fff; font-weight: 600; }

.plat-hero-art { width: 43%; right: 4px; bottom: -10px; }
.art-card { transform: rotate(-1.5deg); }
.art-float { right: 14px; bottom: 96px; }
.art-bars { height: 64px; }

@media (max-width: 1080px) {
  .plat-hero-art { width: 62%; right: auto; bottom: auto; }
  .art-float { right: 10px; bottom: 86px; }
}
@media (max-width: 560px) {
  .sec-night .ind-tab { padding: 0 16px; height: 36px; font-size: 13px; }
  .plat-hero-art { width: 100%; }
  .art-float { bottom: 78px; }
}

/* ==========================================================================
   v9 · 子页面与首页视觉统一（深色头部 / 深色首屏 / 居中区块标题 / 统一卡片）
   ========================================================================== */

body.sub .site-header {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(8, 14, 24, 0.42);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px) saturate(150%);
}
body.sub .site-header .logo,
body.sub .site-header .main-nav a,
body.sub .site-header .nav-phone,
body.sub .site-header .nav-phone strong { color: #fff; }
body.sub .site-header .logo-sub { color: rgba(255, 255, 255, 0.68); }
body.sub .site-header .main-nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.12); }
body.sub .site-header .main-nav a.active { color: #fff; background: transparent; font-weight: 600; }
body.sub .site-header .nav-toggle { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.28); color: #fff; }
body.sub .site-header .btn-primary { background: #E8382F; box-shadow: 0 8px 20px rgba(232, 56, 47, 0.28); }
body.sub .site-header .btn-primary:hover { background: #D22D24; }

/* 子页面首屏：深色渐变头图 */
.hero-sub {
  position: relative; overflow: hidden;
  padding: 126px 0 72px; color: #fff;
  background:
    radial-gradient(760px 380px at 84% -12%, rgba(19, 89, 240, 0.46), transparent 70%),
    radial-gradient(560px 300px at 4% 112%, rgba(123, 97, 255, 0.26), transparent 70%),
    #16233A;
}
.hero-sub h1 {
  color: #fff; font-size: clamp(26px, 3.1vw, 40px);
  line-height: 1.36; letter-spacing: -0.6px; max-width: 880px;
}
.hero-sub .hero-lead { color: rgba(255, 255, 255, 0.80); max-width: 780px; margin-bottom: 0; font-size: 14.5px; line-height: 1.9; }
.hero-sub .eyebrow { background: rgba(255, 255, 255, 0.14); color: #fff; }
.hero-sub .hero-panel {
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.20);
  color: #fff; box-shadow: 0 24px 56px rgba(4, 10, 20, 0.30);
  backdrop-filter: blur(14px) saturate(140%);
}
.hero-sub .panel-head { border-bottom-color: rgba(255, 255, 255, 0.18); }
.hero-sub .panel-title { color: #fff; }
.hero-sub .panel-meta { color: rgba(255, 255, 255, 0.70); }
.hero-sub .log-bubble { background: rgba(255, 255, 255, 0.88); color: #16233A; }
.hero-sub .log-row.right .log-bubble { background: #fff; color: #16233A; }
.hero-sub .log-time { color: rgba(22, 35, 58, 0.55); }
.hero-sub .log-card { background: rgba(255, 255, 255, 0.94); border-color: rgba(255, 255, 255, 0.85); }
.hero-sub .log-card .log-title, .hero-sub .log-rows div span:last-child { color: #16233A; }
.hero-sub .log-rows div { color: #475467; }
.hero-sub .log-hint { color: #8A94A6; }
.hero-sub .panel-foot { border-top-color: rgba(255, 255, 255, 0.18); color: rgba(255, 255, 255, 0.72); }

/* 面包屑 */
.crumb { background: #F5F7FB; border-bottom: 1px solid #EDF1F7; padding: 13px 0; }
.crumb .container { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: #98A2B3; }
.crumb a { color: #8A94A6; }
.crumb a:hover { color: #1359F0; }
.crumb .cur { color: #475467; }
.crumb .sep { color: #C3CBD8; }

/* 区块标题统一居中 */
.section-head { max-width: 860px; margin-left: auto; margin-right: auto; text-align: center; }
.section-lead { margin-left: auto; margin-right: auto; max-width: 780px; }

/* 子页面通用区块间距与底色 */
.section { padding: 76px 0; }

/* 底座卡统一为新卡风格 */
.base-card {
  background: #fff; border: 1px solid #EFF2F7; border-radius: 16px;
  padding: 22px 22px 20px; box-shadow: 0 10px 28px rgba(16, 24, 40, 0.05);
}
.base-card .base-name { font-size: 15.5px; font-weight: 700; color: #16233A; }
.base-card .base-desc { margin-top: 8px; font-size: 12.5px; line-height: 1.8; color: #667085; }
.base-card .base-map { margin-top: 10px; font-size: 11.5px; color: #1359F0; }
.base-icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, #E8F0FF, #D3E2FF); color: #1359F0;
}

/* 层级卡（子页面若使用） */
.layer-card {
  background: #fff; border: 1px solid #EFF2F7; border-radius: 18px;
  padding: 24px; box-shadow: 0 10px 28px rgba(16, 24, 40, 0.05);
}

@media (max-width: 1080px) {
  .hero-sub { padding: 108px 0 60px; }
}
@media (max-width: 560px) {
  .hero-sub { padding: 92px 0 48px; }
  .section { padding: 52px 0; }
}

/* v9.1 · 浅底页面的行业 Tab 统一（深色区由 .sec-night 覆盖） */
.ind-tabs {
  background: transparent; border: 0; padding: 0;
  width: auto; max-width: 100%; border-radius: 0;
  justify-content: center; gap: 10px; margin-bottom: 28px;
}
.ind-tab {
  height: 40px; padding: 0 22px; border-radius: 999px;
  background: #fff; border: 1px solid #E4E9F2; color: #475467;
  font-size: 14px; font-weight: 500;
}
.ind-tab:hover { color: #1359F0; border-color: #C7D8FF; }
.ind-tab.active { background: #1359F0; border-color: #1359F0; color: #fff; font-weight: 600; }

@media (max-width: 560px) {
  .ind-tab { height: 36px; padding: 0 16px; font-size: 13px; }
}

/* ==========================================================================
   v10 · 首页减重：移动端横向滑动卡片 + 视觉去噪（方案 B 第一步：纯样式）
   ========================================================================== */

/* 卡片去边框、加大留白，减少"厚重"感 */
.agent-card, .case-card, .why-card, .news-card, .layer-box {
  border: 0; border-radius: 20px;
  box-shadow: 0 8px 24px rgba(16, 24, 40, 0.06);
}
.agent-card:hover, .news-card:hover { box-shadow: 0 16px 36px rgba(16, 24, 40, 0.10); }

@media (max-width: 820px) {
  /* 区块节奏收紧 */
  .sec { padding: 40px 0; }
  .sec-head { margin-bottom: 22px; }
  .sec-head h2 { font-size: 21px; line-height: 1.36; letter-spacing: -0.4px; }
  .sec-sub { margin-top: 9px; font-size: 12.5px; line-height: 1.8; }
  .sec-foot { margin-top: 16px; }

  /* 卡片改为横向滑动，避免竖排堆成几屏 */
  .agent-grid, .case-grid, .news-grid, .layer-row {
    display: flex; flex-wrap: nowrap; gap: 12px;
    overflow-x: auto; overflow-y: hidden;
    scroll-snap-type: x mandatory;
    margin: 0 -24px; padding: 2px 24px 12px;
    scrollbar-width: none; -webkit-overflow-scrolling: touch;
  }
  .agent-grid::-webkit-scrollbar, .case-grid::-webkit-scrollbar,
  .news-grid::-webkit-scrollbar, .layer-row::-webkit-scrollbar { display: none; }

  .agent-card, .layer-box { flex: 0 0 82%; scroll-snap-align: start; padding: 20px 18px; }
  .case-card { flex: 0 0 84%; scroll-snap-align: start; padding: 20px 18px; }
  .news-card { flex: 0 0 84%; scroll-snap-align: start; }

  /* 描述截断，控制单卡高度 */
  .agent-desc, .case-body, .news-body, .layer-box p, .why-card p {
    display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden;
    -webkit-line-clamp: 2; font-size: 12.5px; line-height: 1.75;
  }
  .agent-card .agent-metric { padding-top: 12px; }
  .agent-metric .num { font-size: 26px; }

  /* 数据条压缩 */
  .stats-band { padding: 14px 0 10px; }
  .stats-band .stats-grid { gap: 12px 10px; }
  .stats-band .stat-icon { width: 30px; height: 30px; }
  .stats-band .stat-num { font-size: 20px; }
  .stats-band .stat-num small { font-size: 12px; }
  .stats-band .stat-label { font-size: 11px; }
  .stats-band .stats-note { margin-top: 10px; font-size: 10.5px; }

  /* 渐变双卡：隐藏插画，只留文案与按钮 */
  .plat-duo { gap: 12px; }
  .plat-hero { min-height: auto; padding: 22px 20px; }
  .plat-hero-copy { max-width: 100%; }
  .plat-hero-copy h3 { font-size: 18px; }
  .plat-hero-copy p { font-size: 12.5px; margin-top: 10px; }
  .plat-hero-art { display: none; }
  .plat-side { min-height: auto; padding: 22px 20px; }
  .plat-side h3 { font-size: 18px; }
  .plat-side > p { font-size: 12.5px; }
  .plat-side-art { display: none; }
  .plat-phone-btn { margin-top: 14px; }

  /* 行业方案：要点压缩 + 装饰图隐藏 */
  .sec-night { padding-bottom: 36px; }
  .ind-tabs { margin-bottom: 18px; }
  .ind-main { min-height: auto; padding: 22px 20px; }
  .ind-main-copy h3 { font-size: 18px; }
  .ind-main-copy > p { font-size: 12.5px; }
  .ind-points { gap: 6px; margin-top: 12px; }
  .ind-points li { font-size: 12px; }
  .ind-main-art { display: none; }
  .ind-actions { margin-top: 16px; gap: 10px; }
  .ind-side { padding: 20px 18px; }
  .ind-side li { font-size: 12px; }
  .ind-metrics { padding-top: 14px; }

  /* 为什么选：三卡并成一屏内竖列小卡 */
  .why-grid { gap: 10px; }
  .why-card { padding: 18px 16px; border-radius: 16px; }
  .why-icon { width: 40px; height: 40px; border-radius: 12px; }
  .why-card h3 { margin-top: 12px; font-size: 15.5px; }
  .why-card p { margin-top: 6px; }

  /* CTA 压缩 */
  .cta-night { padding: 44px 0; }
  .cta-grid { gap: 22px; }
  .cta-copy h2 { font-size: 21px; }
  .cta-lead { font-size: 12.5px; margin-top: 10px; }
  .cta-list { margin-top: 14px; gap: 7px; }
  .cta-list li { font-size: 12px; }
  .form-card { padding: 20px 16px 16px; }
  .field { margin-top: 10px; }

  /* 页脚压缩 */
  .site-footer { padding: 36px 0 18px; }
  .site-footer .footer-top { grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand p { font-size: 12px; line-height: 1.7; }
  .footer-cities { display: none; }
  .footer-bottom { font-size: 10.5px; gap: 6px; }
}

/* ==========================================================================
   v11 · 方案 B 第二步：底座速览条 / 首屏减重 / 优势卡横滑
   ========================================================================== */
.plat-hero-actions { display: flex; align-items: center; gap: 16px; margin-top: 22px; flex-wrap: wrap; }
.plat-more { font-size: 13px; color: #241C4A; font-weight: 500; border-bottom: 1px solid rgba(36, 28, 74, 0.25); padding-bottom: 2px; }
.plat-more:hover { color: #E8382F; border-color: #E8382F; }

.base-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.base-chip {
  background: #fff; border-radius: 16px; padding: 20px 18px;
  box-shadow: 0 8px 24px rgba(16, 24, 40, 0.06);
  transition: transform .18s ease, box-shadow .18s ease;
}
.base-chip:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(16, 24, 40, 0.10); }
.base-chip-ic {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, #E8F0FF, #D3E2FF); color: #1359F0;
}
.base-chip b { display: block; margin-top: 12px; font-size: 14px; font-weight: 700; color: #16233A; line-height: 1.5; }
.base-chip i { display: block; margin-top: 5px; font-style: normal; font-size: 11.5px; color: #8A94A6; line-height: 1.6; }
.base-strip-foot { margin-top: 20px; text-align: center; }

@media (max-width: 820px) {
  /* 首屏更轻：手机上不展示对话演示卡 */
  .hero-media .hero-panel { display: none; }
  .hero-media .hero-inner { padding: 92px 0 52px; }

  .base-strip { grid-template-columns: 1fr 1fr; gap: 10px; }
  .base-chip { padding: 16px 14px; border-radius: 14px; }
  .base-chip-ic { width: 34px; height: 34px; border-radius: 10px; }
  .base-chip b { font-size: 12.5px; margin-top: 9px; }
  .base-chip i { display: none; }
  .base-strip-foot { margin-top: 16px; }

  /* 优势卡横滑 */
  .why-grid {
    display: flex; flex-wrap: nowrap; gap: 10px;
    overflow-x: auto; scroll-snap-type: x mandatory;
    margin: 0 -24px; padding: 2px 24px 12px;
    scrollbar-width: none; -webkit-overflow-scrolling: touch;
  }
  .why-grid::-webkit-scrollbar { display: none; }
  .why-card { flex: 0 0 74%; scroll-snap-align: start; }
}

/* ==========================================================================
   v12 · 修正横滑容器横向溢出 + 首屏高度回调
   ========================================================================== */
@media (max-width: 820px) {
  .agent-grid, .case-grid, .news-grid, .layer-row, .why-grid {
    margin: 0; padding: 2px 0 12px;
    max-width: 100%;
  }
  .hero-media { min-height: 660px; }
  .hero-media .hero-inner { padding: 108px 0 56px; min-height: 660px; }
  .hero-media h1 { font-size: 27px; line-height: 1.42; }
  .hero-media .hero-lead { font-size: 13.5px; line-height: 1.9; margin-bottom: 24px; }
  .hero-media .btn { height: 44px; font-size: 14px; }
}

/* ==========================================================================
   v13 · 紫卡插画就位 / 手机数据条三列
   ========================================================================== */
.plat-hero { padding: 38px 40px 34px; min-height: 318px; }
.plat-hero-copy { max-width: 52%; }
.plat-hero-art { width: 38%; right: 26px; bottom: 26px; }
.art-card { padding: 14px; border-radius: 14px; }
.art-bars { height: 58px; gap: 6px; margin: 10px 0 8px; }
.art-tags span { font-size: 10px; padding: 2px 6px; }
.art-float { right: 0; top: -16px; bottom: auto; padding: 8px 12px; border-radius: 12px; }
.art-float-v { font-size: 15px; }
.art-float-k { font-size: 10px; }

@media (max-width: 1080px) {
  .plat-hero-copy { max-width: 100%; }
  .plat-hero-art { width: 56%; right: auto; bottom: auto; margin: 20px 0 -14px auto; position: relative; }
  .art-float { top: -14px; }
}
@media (max-width: 820px) {
  .plat-hero { padding: 22px 20px; min-height: auto; }
  .plat-hero-art { display: none; }
  .stats-band .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 12px 8px; }
  .stats-band .stat-icon { width: 26px; height: 26px; }
  .stats-band .stat-num { font-size: 18px; }
  .stats-band .stat-num small { font-size: 11px; }
  .stats-band .stat-label { font-size: 10.5px; }
  .stats-band .stats-item { gap: 8px; }
}

/* ==========================================================================
   v14 · 移动端展开菜单：深色面板 + 白字（原来白底白字，展开像空白）
   ========================================================================== */
@media (max-width: 820px) {
  body.home .site-header .main-nav,
  body.sub .site-header .main-nav {
    top: 64px;
    background: #101B2E;
    border-bottom: 0;
    border-radius: 0 0 18px 18px;
    box-shadow: 0 26px 52px rgba(4, 10, 20, 0.48);
    padding: 10px 14px 16px;
    gap: 0;
  }
  body.home .site-header .main-nav a,
  body.sub .site-header .main-nav a {
    color: #fff; font-size: 15px; padding: 13px 12px;
    border-radius: 10px; border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  }
  body.home .site-header .main-nav a:last-child,
  body.sub .site-header .main-nav a:last-child { border-bottom: 0; }
  body.home .site-header .main-nav a:hover,
  body.sub .site-header .main-nav a:hover { background: rgba(255, 255, 255, 0.10); color: #fff; }
  body.home .site-header .main-nav a.active,
  body.sub .site-header .main-nav a.active { background: rgba(255, 255, 255, 0.14); color: #fff; font-weight: 600; }
  /* 展开时给 header 一个实底，避免菜单与首屏文字重叠 */
  body.home .site-header,
  body.sub .site-header { background: rgba(8, 14, 24, 0.92); }
}
/* ==========================================================================
   v16 · 子页面顶部与首页完全一致（仅去掉子页面多出的 1px 边线）
   ========================================================================== */
body.sub .site-header { border-bottom: 0; }

/* ==========================================================================
   v17 · 案例页深色统计条：文字保持白色（此前被首页白底数据条规则污染成白底白字）
   ========================================================================== */
.section-dark.stats { background: #16233A; color: #fff; border-bottom: 0; padding: 44px 0; }
.section-dark.stats .stats-inline .num { color: #fff; }
.section-dark.stats .stats-inline .label { color: rgba(255, 255, 255, 0.66); }
.section-dark.stats .stats-inline-note { color: rgba(255, 255, 255, 0.55); }

/* ==========================================================================
   v16 · 移动端首屏呼吸感 + 数据条规整排布
   1) 首屏：加大标题/正文/按钮之间距，避免内容块挤成一团
   2) 数据条：2 列网格，5 项排成 2+2+1（末项跨两列居中），标签不折行
   ========================================================================== */
@media (max-width: 820px) {
  .stats-band .stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 14px;
    justify-items: start;
  }
  .stats-band .stats-item { display: flex; align-items: center; gap: 10px; }
  .stats-band .stats-item:nth-child(5) {
    grid-column: 1 / -1;
    justify-self: center;
  }
  .stats-band .stats-note { text-align: center; }
}

@media (max-width: 560px) {
  /* 首屏文案块：加大层级间距 */
  .hero-media .hero-inner { padding: 88px 0 56px; }
  .hero-media h1 { line-height: 1.42; margin-bottom: 20px; }
  .hero-media .hero-lead {
    font-size: 15.5px; line-height: 1.9;
    margin-bottom: 34px; max-width: 100%;
  }
  .hero-media .hero-actions { gap: 28px; }
  /* 次要按钮给一点底色，两个大按钮堆叠时不粘连 */
  .hero-media .hero-actions .btn-ghost { background: rgba(255, 255, 255, 0.06); }

  /* 数据条字号略放大一档，2 列宽度够用，不会折行 */
  .stats-band .stat-icon { width: 32px; height: 32px; }
  .stats-band .stat-num { font-size: 22px; }
  .stats-band .stat-num small { font-size: 12px; }
  .stats-band .stat-label { font-size: 12px; margin-top: 3px; }
  .stats-band .stats-note { font-size: 11px; margin-top: 14px; text-wrap: balance; }
}

/* ==========================================================================
   v18 · 预约表单反馈状态色（成功绿 / 失败红）
   ========================================================================== */
.form-feedback.is-ok { color: #1D9E75; }
.form-feedback.is-err { color: #E8382F; }