:root{
    --bg:#0f172a;
    --bg-soft:#f8fafc;
    --ink:#1e293b;
    --ink-soft:#475569;
    --line:#e2e8f0;
    --primary:#6366f1;
    --primary-dark:#4f46e5;
    --primary-soft:#eef2ff;
    --accent:#f59e0b;
    --accent-soft:#fef3c7;
    --danger:#ef4444;
    --danger-soft:#fef2f2;
    --success:#10b981;
    --success-soft:#ecfdf5;
    --info:#0ea5e9;
    --info-soft:#e0f2fe;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth;scroll-padding-top:64px}
  body{
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans CN",sans-serif;
    color:var(--ink);
    background:var(--bg-soft);
    line-height:1.75;
    font-size:15px;
    -webkit-font-smoothing:antialiased;
  }

  /* 顶部进度条 */
  .progress{
    position:fixed;top:0;left:0;height:3px;width:0;
    background:linear-gradient(90deg,var(--primary),var(--accent));
    z-index:100;transition:width .15s ease;
  }

  /* 顶部导航 */
  nav.topbar{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.92);
    backdrop-filter:saturate(180%) blur(12px);
    border-bottom:1px solid var(--line);
  }
  nav.topbar .inner{
    max-width:1100px;margin:0 auto;padding:14px 28px;
    display:flex;align-items:center;justify-content:space-between;gap:24px;
  }
  nav.topbar .brand{
    font-weight:700;color:var(--ink);font-size:15px;letter-spacing:.5px;
    display:flex;align-items:center;gap:8px;
  }
  nav.topbar .brand .dot{
    width:8px;height:8px;border-radius:50%;
    background:linear-gradient(135deg,var(--primary),var(--accent));
  }
  nav.topbar ul{
    list-style:none;display:flex;gap:6px;flex-wrap:wrap;font-size:13.5px;
  }
  nav.topbar a{
    color:var(--ink-soft);text-decoration:none;padding:6px 12px;border-radius:6px;
    transition:all .2s;
  }
  nav.topbar a:hover{color:var(--primary);background:var(--primary-soft)}

  /* Hero */
  .hero{
    background:radial-gradient(1200px 600px at 80% -10%, rgba(99,102,241,.55), transparent 60%),
               radial-gradient(800px 500px at 0% 100%, rgba(245,158,11,.25), transparent 60%),
               linear-gradient(180deg,#0f172a,#1e293b);
    color:#fff;padding:110px 28px 90px;
  }
  .hero .wrap{max-width:1100px;margin:0 auto}
  .hero .tag{
    display:inline-block;padding:6px 14px;border:1px solid rgba(255,255,255,.25);
    border-radius:999px;font-size:12.5px;color:#cbd5e1;margin-bottom:24px;letter-spacing:1px;
  }
  .hero h1{
    font-size:64px;line-height:1.1;font-weight:800;margin-bottom:18px;letter-spacing:-1px;
    background:linear-gradient(135deg,#fff 0%,#cbd5e1 100%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero .sub{
    font-size:18px;color:#94a3b8;max-width:680px;margin-bottom:40px;line-height:1.7;
  }
  .kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:780px}
  .kpi{
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
    border-radius:14px;padding:20px 22px;backdrop-filter:blur(8px);
  }
  .kpi .num{
    font-size:32px;font-weight:800;color:#fff;letter-spacing:-.5px;
    font-variant-numeric:tabular-nums;
  }
  .kpi .num em{font-style:normal;color:var(--accent);font-size:.6em;margin-left:4px;font-weight:600}
  .kpi .lbl{color:#94a3b8;font-size:13px;margin-top:4px}

  /* 容器 */
  .section{
    max-width:1100px;margin:0 auto;padding:80px 28px 40px;
  }
  .chapter-head{
    display:flex;align-items:center;gap:18px;margin-bottom:36px;
    padding-bottom:20px;border-bottom:2px solid var(--line);
  }
  .chapter-head .num{
    font-size:48px;font-weight:800;line-height:1;
    background:linear-gradient(135deg,var(--primary),var(--accent));
    -webkit-background-clip:text;background-clip:text;color:transparent;
    font-family:"SF Mono",Menlo,monospace;
  }
  .chapter-head h2{
    font-size:28px;font-weight:700;color:var(--ink);
  }
  .chapter-head .en{
    color:var(--ink-soft);font-size:13px;font-weight:400;letter-spacing:1px;text-transform:uppercase;
    margin-top:4px;
  }

  h3{
    font-size:19px;font-weight:700;color:var(--ink);margin:36px 0 16px;
    padding-left:14px;border-left:4px solid var(--primary);
    display:flex;align-items:center;gap:10px;
  }
  h3 .idx{
    font-size:12px;font-weight:600;color:#fff;background:var(--primary);
    padding:2px 9px;border-radius:6px;letter-spacing:.5px;
  }
  h4{
    font-size:16px;font-weight:600;color:var(--ink);margin:24px 0 12px;
  }
  p{color:var(--ink-soft);margin-bottom:14px}
  strong{color:var(--ink);font-weight:600}
  .hl{background:linear-gradient(180deg,transparent 60%,var(--accent-soft) 60%);padding:0 2px}

  /* 6 条核心结论 */
  .grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0 8px}
  .insight{
    background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;
    transition:all .2s;position:relative;overflow:hidden;
  }
  .insight::before{
    content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);
  }
  .insight:hover{transform:translateY(-2px);box-shadow:0 12px 28px -12px rgba(99,102,241,.25);border-color:var(--primary)}
  .insight .no{
    font-family:"SF Mono",monospace;font-size:13px;color:var(--primary);
    font-weight:700;margin-bottom:8px;
  }
  .insight h5{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:8px;line-height:1.5}
  .insight p{font-size:13.5px;line-height:1.7;margin:0}

  /* 表格 */
  .table-wrap{
    margin:18px 0;border:1px solid var(--line);border-radius:12px;overflow:hidden;
    background:#fff;box-shadow:0 1px 3px rgba(15,23,42,.04);
  }
  .table-wrap .cap{
    padding:14px 20px;background:var(--primary-soft);border-bottom:1px solid var(--line);
    font-size:13.5px;color:var(--primary-dark);font-weight:600;
  }
  table{
    width:100%;border-collapse:collapse;font-size:14px;
  }
  th,td{
    padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);
    vertical-align:top;
  }
  thead th{
    background:#f1f5f9;font-weight:600;color:var(--ink);font-size:13px;
    border-bottom:2px solid #cbd5e1;
  }
  tbody tr:last-child td{border-bottom:none}
  tbody tr:hover{background:#fafbfc}
  td .up{color:var(--danger);font-weight:600}    /* 涨/上升 = 红 */
  td .down{color:var(--success);font-weight:600} /* 跌/下降 = 绿 */
  td .arr{font-weight:700;font-family:"SF Mono",monospace}
  td.num{font-variant-numeric:tabular-nums;font-weight:600;color:var(--ink)}
  td .star{color:var(--accent);letter-spacing:1px;font-size:13px}
  td .star.muted{color:#cbd5e1}
  .totals{background:#f8fafc;font-weight:600}

  /* 等级说明卡 */
  .tier-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0}
  .tier{
    border:1px solid var(--line);border-radius:10px;padding:18px;background:#fff;
    border-top:3px solid var(--primary);
  }
  .tier.t2{border-top-color:var(--accent)}
  .tier.t3{border-top-color:var(--success)}
  .tier h5{font-size:15px;font-weight:700;margin-bottom:8px;color:var(--ink)}
  .tier ul{list-style:none;font-size:13.5px;color:var(--ink-soft);line-height:1.8}
  .tier ul li{padding-left:14px;position:relative}
  .tier ul li::before{content:'·';position:absolute;left:4px;color:var(--primary);font-weight:700}

  /* 列表 */
  .clean-list{margin:8px 0 16px;padding-left:0;list-style:none}
  .clean-list li{
    position:relative;padding:8px 0 8px 24px;color:var(--ink-soft);font-size:14.5px;line-height:1.7;
    border-bottom:1px dashed #f1f5f9;
  }
  .clean-list li:last-child{border-bottom:none}
  .clean-list li::before{
    content:'';position:absolute;left:6px;top:18px;
    width:6px;height:6px;border-radius:50%;background:var(--primary);
  }
  .clean-list.warn li::before{background:var(--danger)}

  /* 痛点卡片 */
  .pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:18px 0}
  .pain{
    background:#fff;border:1px solid var(--line);border-left:4px solid var(--danger);
    border-radius:10px;padding:18px 22px;
  }
  .pain h5{font-size:15px;font-weight:700;color:var(--danger);margin-bottom:10px}
  .pain p, .pain li{font-size:13.5px;color:var(--ink-soft);line-height:1.7}
  .pain ul{list-style:none;padding-left:14px}
  .pain ul li{position:relative;padding:3px 0}
  .pain ul li::before{content:'-';position:absolute;left:-12px;color:var(--danger)}

  /* 角色链 */
  .roles{margin:18px 0;display:flex;flex-direction:column;gap:0}
  .role{
    background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 20px;
    margin-bottom:8px;border-left:4px solid var(--primary);
  }
  .role h5{font-size:14.5px;font-weight:700;margin-bottom:4px}
  .role .desc{font-size:13px;color:var(--ink-soft)}
  .role-arrow{
    color:var(--primary);text-align:center;font-size:18px;margin:-4px 0;font-weight:700;
    font-family:"SF Mono",monospace;
  }
  .role-arrow .ann{
    display:block;font-size:11.5px;color:var(--ink-soft);font-weight:400;margin-top:2px;font-family:inherit;
  }

  /* 生态图 SVG */
  .eco-wrap{
    background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;
    margin:18px 0;text-align:center;overflow-x:auto;
  }
  .eco-wrap svg{max-width:100%;height:auto}
  .eco-cap{
    font-size:13px;color:var(--ink-soft);text-align:center;margin-top:10px;font-style:italic;
  }

  /* 七大解决能力 */
  .solutions{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:20px 0}
  .sol{
    background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px;
    transition:.2s;
  }
  .sol:hover{border-color:var(--primary);box-shadow:0 8px 20px -8px rgba(99,102,241,.2)}
  .sol .head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
  .sol .badge{
    width:32px;height:32px;border-radius:8px;
    background:linear-gradient(135deg,var(--primary),var(--primary-dark));
    color:#fff;font-weight:700;font-size:14px;
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
    font-family:"SF Mono",monospace;
  }
  .sol h5{font-size:15.5px;font-weight:700;color:var(--ink)}
  .sol p{font-size:13px;color:var(--ink-soft);margin-bottom:8px}
  .sol .chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
  .sol .chips span{
    font-size:12px;background:var(--primary-soft);color:var(--primary-dark);
    padding:3px 10px;border-radius:6px;
  }

  /* 服务包阶梯 */
  .layers{margin:20px 0;display:flex;flex-direction:column;gap:14px}
  .layer{
    background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 26px;
    display:grid;grid-template-columns:140px 1fr;gap:24px;align-items:start;
  }
  .layer.l1{background:linear-gradient(90deg,#eef2ff 0%,#fff 30%);border-left:4px solid #818cf8}
  .layer.l2{background:linear-gradient(90deg,#dbeafe 0%,#fff 30%);border-left:4px solid #60a5fa}
  .layer.l3{background:linear-gradient(90deg,#ddd6fe 0%,#fff 30%);border-left:4px solid #a78bfa}
  .layer.l4{background:linear-gradient(90deg,#fce7f3 0%,#fff 30%);border-left:4px solid #f472b6}
  .layer .ttl{font-weight:700;color:var(--ink)}
  .layer .ttl .small{font-size:12px;color:var(--ink-soft);font-weight:500;display:block;margin-top:4px}
  .layer ul{list-style:none;font-size:13.5px;color:var(--ink-soft);line-height:1.8;
    columns:2;column-gap:24px;}
  .layer ul li{padding-left:14px;position:relative;break-inside:avoid}
  .layer ul li::before{content:'▸';position:absolute;left:0;color:var(--primary)}
  .layer .goal{
    grid-column:1/-1;margin-top:10px;padding-top:12px;border-top:1px dashed var(--line);
    font-size:13px;color:var(--primary-dark);font-weight:600;
  }

  /* 护城河 */
  .moats{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:20px 0}
  .moat{
    background:linear-gradient(160deg,var(--primary) 0%,var(--primary-dark) 100%);
    color:#fff;border-radius:10px;padding:18px 16px;
    transition:.2s;
  }
  .moat:hover{transform:translateY(-3px)}
  .moat .ic{font-size:22px;margin-bottom:8px}
  .moat h5{font-size:14px;font-weight:700;margin-bottom:6px;color:#fff}
  .moat p{font-size:12px;color:rgba(255,255,255,.85);line-height:1.6}

  /* 风险卡片 */
  .risks{margin:20px 0;display:flex;flex-direction:column;gap:14px}
  .risk{
    background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 24px;
    border-left:4px solid var(--danger);
  }
  .risk .top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
  .risk .no{
    font-family:"SF Mono",monospace;font-size:12px;color:#fff;background:var(--danger);
    padding:3px 10px;border-radius:6px;font-weight:700;
  }
  .risk h5{font-size:15.5px;font-weight:700;color:var(--ink)}
  .risk .scene{
    background:var(--danger-soft);padding:12px 16px;border-radius:8px;
    font-size:13.5px;color:var(--ink-soft);line-height:1.7;margin:10px 0;
  }
  .risk .scene::before{content:'场景：';font-weight:700;color:var(--danger)}
  .risk .sol-box{
    background:var(--success-soft);padding:12px 16px;border-radius:8px;
    font-size:13.5px;color:var(--ink-soft);line-height:1.7;
  }
  .risk .sol-box::before{content:'解法：';font-weight:700;color:var(--success)}

  /* 验证锚点 */
  .anchors{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0}
  .anchor{
    background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;
    border-top:4px solid var(--accent);
  }
  .anchor:nth-child(1){border-top-color:#0ea5e9}
  .anchor:nth-child(2){border-top-color:var(--primary)}
  .anchor:nth-child(3){border-top-color:#10b981}
  .anchor .tag{
    display:inline-block;font-size:11px;font-weight:700;letter-spacing:1px;
    padding:3px 10px;border-radius:6px;margin-bottom:10px;
    background:var(--info-soft);color:var(--info);
  }
  .anchor:nth-child(2) .tag{background:var(--primary-soft);color:var(--primary-dark)}
  .anchor:nth-child(3) .tag{background:var(--success-soft);color:var(--success)}
  .anchor h5{font-size:16px;font-weight:700;margin-bottom:12px;color:var(--ink)}
  .anchor .body{font-size:13.5px;color:var(--ink-soft);line-height:1.75}
  .anchor .body strong{color:var(--ink)}
  .anchor .goal{
    margin-top:14px;padding:10px 12px;background:#f8fafc;border-radius:8px;
    font-size:13px;color:var(--ink-soft);
  }
  .anchor .goal::before{content:'🎯 ';}

  /* 页脚 */
  footer{
    margin-top:80px;padding:40px 28px;background:#0f172a;color:#94a3b8;text-align:center;
    font-size:13px;
  }
  footer .src{color:#64748b;margin-top:8px}

  /* 响应式 */
  @media(max-width:900px){
    .hero h1{font-size:42px}
    .kpis,.grid-6,.solutions,.pain-grid,.tier-cards,.anchors{grid-template-columns:1fr}
    .moats{grid-template-columns:repeat(2,1fr)}
    .layer{grid-template-columns:1fr}
    .layer ul{columns:1}
    nav.topbar ul{display:none}
  }

/* ===================== 行业现状叙事链（v2） ===================== */

/* 钩子：核心论点 */
.thesis{
  margin:8px 0 36px;
  padding:32px 36px;
  border-radius:16px;
  background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%);
  color:#fff;position:relative;overflow:hidden;
  word-break:break-word;
}
.thesis::before{
  content:'';position:absolute;top:-60px;right:-60px;
  width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(99,102,241,.4),transparent 70%);
}
.thesis::after{
  content:'';position:absolute;bottom:-40px;left:30%;
  width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,158,11,.25),transparent 70%);
}
.thesis .label{
  position:relative;z-index:1;
  display:inline-block;font-size:11.5px;letter-spacing:2px;
  padding:4px 12px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);border-radius:999px;
  color:#cbd5e1;margin-bottom:16px;
}
.thesis h3.core{
  position:relative;z-index:1;
  font-size:26px;line-height:1.6;font-weight:700;color:#fff;
  margin:0 0 16px;padding:0;border:none;
  word-break:keep-all;
  overflow-wrap:break-word;
  text-wrap:balance;
  letter-spacing:.5px;
}
.thesis h3.core em{
  font-style:normal;
  color:#fbbf24;
  font-weight:800;
}
.thesis .punch{
  position:relative;z-index:1;
  font-size:15px;color:#cbd5e1;line-height:1.85;margin:0;
  word-break:break-word;
  text-wrap:pretty;
}
.thesis .punch strong{color:#fff;font-weight:600}

/* 论据链：阶段标记 */
.evidence-stage{
  display:flex;align-items:flex-start;gap:24px;
  margin:48px 0 20px;
  padding-bottom:20px;border-bottom:2px dashed var(--line);
}
.evidence-stage .step{flex-shrink:0;width:88px;text-align:center}
.evidence-stage .step .n{
  font-family:"SF Mono",monospace;
  font-size:36px;font-weight:800;line-height:1;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.evidence-stage.s2 .step .n{background:linear-gradient(135deg,var(--danger),#dc2626);-webkit-background-clip:text;background-clip:text;color:transparent}
.evidence-stage.s3 .step .n{background:linear-gradient(135deg,var(--accent),#d97706);-webkit-background-clip:text;background-clip:text;color:transparent}
.evidence-stage .step .lbl{
  font-size:11px;letter-spacing:1.5px;color:var(--ink-soft);margin-top:4px;font-weight:600;
}
.evidence-stage .body h3{
  margin:0 0 8px;padding:0;border:none;font-size:22px;line-height:1.4;
}
.evidence-stage .body .lead{
  font-size:14.5px;color:var(--ink-soft);line-height:1.75;margin:0;
}
.evidence-stage .body .lead strong{color:var(--ink)}

/* 核心数字大块 */
.bignums{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:18px 0 24px}
.bignum{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:24px 22px;position:relative;overflow:hidden;transition:.2s;
}
.bignum:hover{transform:translateY(-2px);box-shadow:0 14px 32px -16px rgba(99,102,241,.3)}
.bignum::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--primary),var(--primary-dark));
}
.bignum.danger::before{background:linear-gradient(180deg,var(--danger),#dc2626)}
.bignum.warn::before{background:linear-gradient(180deg,var(--accent),#d97706)}
.bignum .figure{
  font-size:38px;font-weight:800;line-height:1;color:var(--ink);
  font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.bignum .figure em{font-style:normal;font-size:.5em;color:var(--ink-soft);margin-left:4px;font-weight:600}
.bignum .figure .delta{
  display:inline-block;margin-left:8px;font-size:.4em;
  padding:2px 8px;border-radius:4px;font-weight:700;
  background:var(--danger-soft);color:var(--danger);
}
.bignum .ttl{font-size:14px;font-weight:600;color:var(--ink);margin-top:10px;line-height:1.5}
.bignum .desc{font-size:12.5px;color:var(--ink-soft);margin-top:6px;line-height:1.6}

/* 横向对比条（缺口可视化） */
.gap-bar{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:22px 24px;margin:18px 0;
}
.gap-bar h5{font-size:14px;font-weight:600;margin-bottom:14px;color:var(--ink)}
.gap-bar .row{display:flex;align-items:center;gap:14px;margin:10px 0;font-size:13.5px}
.gap-bar .row .name{width:130px;flex-shrink:0;color:var(--ink-soft)}
.gap-bar .row .track{
  flex:1;height:24px;background:#f1f5f9;border-radius:6px;overflow:hidden;position:relative;
}
.gap-bar .row .fill{
  height:100%;border-radius:6px;display:flex;align-items:center;padding:0 10px;
  font-size:12px;font-weight:600;color:#fff;white-space:nowrap;
}
.gap-bar .row .fill.have{background:linear-gradient(90deg,var(--success),#059669);width:19%}
.gap-bar .row .fill.need{background:linear-gradient(90deg,var(--danger),#dc2626);width:100%}
.gap-bar .row .val{width:80px;flex-shrink:0;text-align:right;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.gap-bar .conclusion{
  margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--danger);font-weight:600;
}

/* 折叠详情 */
.expand{border:1px solid var(--line);border-radius:10px;background:#fff;margin:14px 0}
.expand summary{
  cursor:pointer;padding:14px 20px;font-size:13.5px;color:var(--ink-soft);
  font-weight:500;list-style:none;
  display:flex;align-items:center;justify-content:space-between;
}
.expand summary::-webkit-details-marker{display:none}
.expand summary::after{content:'＋';font-size:18px;color:var(--primary);font-weight:700}
.expand[open] summary::after{content:'－'}
.expand[open] summary{border-bottom:1px solid var(--line)}
.expand summary:hover{color:var(--primary)}
.expand .inner{padding:18px 20px}
.expand .inner h4:first-child{margin-top:0}
.expand .inner > .table-wrap:first-child{margin-top:0}

/* 能力差距小卡 */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}
.cap-card{
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px;
  border-top:3px solid var(--danger);
}
.cap-card .pct{font-size:32px;font-weight:800;color:var(--danger);line-height:1;font-variant-numeric:tabular-nums}
.cap-card .lbl{font-size:13px;font-weight:600;color:var(--ink);margin-top:8px;line-height:1.5}
.cap-card .desc{font-size:12px;color:var(--ink-soft);margin-top:6px;line-height:1.6}

/* 收束区 */
.closing{
  margin:40px 0 0;padding:32px 36px;
  background:linear-gradient(135deg,#eef2ff 0%,#fef3c7 100%);
  border-radius:16px;border-left:6px solid var(--primary);position:relative;
}
.closing .quote{
  font-size:13px;letter-spacing:2px;color:var(--primary-dark);font-weight:600;margin-bottom:12px;
}
.closing h4{
  font-size:22px;line-height:1.5;color:var(--ink);font-weight:700;margin:0 0 14px;
}
.closing h4 mark{
  background:linear-gradient(180deg,transparent 60%,var(--accent) 60%);
  color:var(--ink);padding:0 4px;
}
.closing p{font-size:14px;color:var(--ink-soft);margin:0;line-height:1.8}
.closing p strong{color:var(--primary-dark)}

@media(max-width:900px){
  .evidence-stage{flex-direction:column;gap:12px}
  .evidence-stage .step{width:auto;display:flex;align-items:center;gap:12px;text-align:left}
  .bignums,.cap-grid{grid-template-columns:1fr}
  .thesis{padding:24px}
  .thesis h3.core{font-size:20px}
  .closing{padding:22px}
  .closing h4{font-size:18px}
  .gap-bar .row .name{width:90px;font-size:12px}
  .break-list{grid-template-columns:1fr}
}

/* ===================== 2.2 断裂环图 ===================== */
.broken-eco{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:24px;margin:20px 0;overflow-x:auto;
  background-image:
    linear-gradient(135deg, rgba(254,226,226,.3) 0%, transparent 50%),
    linear-gradient(45deg, rgba(254,226,226,.3) 0%, transparent 50%);
}
.broken-eco svg{max-width:100%;height:auto;display:block;margin:0 auto}

.break-list{
  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0;
}
.break-item{
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:16px 18px;display:flex;gap:14px;align-items:flex-start;
  border-left:3px solid var(--danger);
}
.break-item .bk-num{
  flex-shrink:0;width:32px;height:32px;border-radius:8px;
  background:var(--danger-soft);color:var(--danger);
  font-weight:800;font-size:13px;font-family:"SF Mono",monospace;
  display:flex;align-items:center;justify-content:center;
}
.break-item .bk-body{flex:1;min-width:0}
.break-item .bk-title{
  font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:6px;
}
.break-item .bk-desc{
  font-size:12.5px;color:var(--ink-soft);line-height:1.7;
}
.break-item .bk-desc strong{color:var(--danger);font-weight:600}

@media(max-width:900px){
  .broken-eco{padding:14px}
}

/* ===================== 3.1 布道师能力模型 ===================== */
.ability-intro{
  margin:24px 0 18px;
  padding:24px 28px;
  background:linear-gradient(135deg,#1e293b 0%,#0f172a 100%);
  border-radius:14px;color:#fff;
  position:relative;overflow:hidden;
}
.ability-intro::after{
  content:'';position:absolute;right:-50px;top:-50px;
  width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(99,102,241,.35),transparent 70%);
}
.ability-intro .lbl{
  position:relative;z-index:1;
  display:inline-block;font-size:11px;letter-spacing:2px;
  padding:3px 12px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);border-radius:999px;
  color:#cbd5e1;margin-bottom:12px;
}
.ability-intro h4{
  position:relative;z-index:1;
  font-size:19px;font-weight:700;color:#fff;margin:0 0 10px;line-height:1.5;
}
.ability-intro p{
  position:relative;z-index:1;
  font-size:14px;color:#cbd5e1;margin:0;line-height:1.8;
}
.ability-intro p strong{color:#fbbf24;font-weight:700}

.ability-model{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:20px 0;
}
.ability-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:24px;position:relative;overflow:hidden;
  transition:all .25s;
}
.ability-card:hover{transform:translateY(-3px);box-shadow:0 14px 32px -16px rgba(99,102,241,.3)}
.ability-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
}
.ability-card.a1::before{background:linear-gradient(90deg,#6366f1,#818cf8)}
.ability-card.a2::before{background:linear-gradient(90deg,#f59e0b,#fbbf24)}
.ability-card.a3::before{background:linear-gradient(90deg,#0ea5e9,#38bdf8)}
.ability-card.a4::before{background:linear-gradient(90deg,#10b981,#34d399)}

.ability-card .ability-head{
  display:flex;align-items:center;gap:14px;margin-bottom:14px;
}
.ability-card .ability-icon{
  width:48px;height:48px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:24px;flex-shrink:0;
}
.ability-card.a1 .ability-icon{background:#eef2ff}
.ability-card.a2 .ability-icon{background:#fef3c7}
.ability-card.a3 .ability-icon{background:#e0f2fe}
.ability-card.a4 .ability-icon{background:#ecfdf5}

.ability-card .ability-tag{
  font-family:"SF Mono",monospace;font-size:11px;font-weight:700;
  letter-spacing:1.5px;color:var(--ink-soft);margin-bottom:2px;
}
.ability-card .ability-title{
  font-size:18px;font-weight:700;color:var(--ink);
}
.ability-card .ability-def{
  font-size:13.5px;color:var(--ink-soft);line-height:1.75;
  padding:12px 14px;background:#f8fafc;border-radius:8px;
  margin-bottom:12px;
}

.ability-card .ability-keywords{
  display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px;
}
.ability-card .ability-keywords span{
  font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:6px;
}
.ability-card.a1 .ability-keywords span{background:#eef2ff;color:#4f46e5}
.ability-card.a2 .ability-keywords span{background:#fef3c7;color:#b45309}
.ability-card.a3 .ability-keywords span{background:#e0f2fe;color:#0369a1}
.ability-card.a4 .ability-keywords span{background:#ecfdf5;color:#047857}

.ability-card .ability-maps{
  border-top:1px dashed var(--line);padding-top:12px;
}
.ability-card .maps-label{
  font-size:11.5px;color:var(--ink-soft);margin-bottom:6px;
}
.ability-card .maps-list{display:flex;flex-wrap:wrap;gap:6px}
.ability-card .map-pill{
  font-size:12px;color:var(--ink);background:#f1f5f9;
  padding:4px 10px;border-radius:6px;border:1px solid var(--line);
}

/* 衔接区 */
.ability-bridge{
  display:flex;align-items:center;gap:14px;margin:32px 0 4px;
}
.ability-bridge .bridge-line{
  flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);
}
.ability-bridge .bridge-text{
  font-size:13px;color:var(--ink-soft);font-weight:600;letter-spacing:1px;
  white-space:nowrap;
}

/* sol 卡片 — 追加溯源标签 */
.sol-trace{
  margin-top:12px;padding-top:10px;border-top:1px dashed var(--line);
  font-size:11.5px;color:var(--primary);font-weight:600;letter-spacing:.5px;
}

@media(max-width:900px){
  .ability-model{grid-template-columns:1fr}
  .ability-bridge .bridge-text{font-size:11px;white-space:normal;text-align:center}
}

/* ===================== 风险 sol-box 内嵌 ol ===================== */
.risk .sol-box ol{
  list-style:decimal;
}
.risk .sol-box ol li{
  margin:4px 0;
}
.risk .sol-box ol li strong{color:var(--success)}

/* ===================== 3.3 服务包卡片（v2 改版） ===================== */
.pkgs{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:20px 0;
}
.pkg{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;display:flex;flex-direction:column;
  transition:all .25s;
  position:relative;
}
.pkg:hover{transform:translateY(-3px);box-shadow:0 14px 32px -16px rgba(99,102,241,.25)}
.pkg::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:5px;
}
.pkg.p1::before{background:linear-gradient(180deg,#818cf8,#6366f1)}
.pkg.p2::before{background:linear-gradient(180deg,#60a5fa,#3b82f6)}
.pkg.p3::before{background:linear-gradient(180deg,#a78bfa,#8b5cf6)}
.pkg.p4::before{background:linear-gradient(180deg,#f472b6,#ec4899)}

.pkg-head{
  display:flex;align-items:center;gap:14px;
  padding:20px 24px 16px 28px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#fafbfc 0%,#fff 100%);
}
.pkg-badge{
  flex-shrink:0;
  font-family:"SF Mono",monospace;font-weight:800;font-size:12px;letter-spacing:1.5px;
  color:#fff;padding:4px 10px;border-radius:6px;
  align-self:flex-start;margin-top:4px;
}
.pkg.p1 .pkg-badge{background:#6366f1}
.pkg.p2 .pkg-badge{background:#3b82f6}
.pkg.p3 .pkg-badge{background:#8b5cf6}
.pkg.p4 .pkg-badge{background:#ec4899}

.pkg-icon{
  flex-shrink:0;font-size:30px;line-height:1;
  width:48px;height:48px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
}
.pkg.p1 .pkg-icon{background:#eef2ff}
.pkg.p2 .pkg-icon{background:#dbeafe}
.pkg.p3 .pkg-icon{background:#ede9fe}
.pkg.p4 .pkg-icon{background:#fce7f3}

.pkg-titles{flex:1;min-width:0}
.pkg-name{
  font-size:20px;font-weight:800;color:var(--ink);
  line-height:1.3;margin-bottom:4px;letter-spacing:-.3px;
}
.pkg-tagline{
  font-size:12.5px;color:var(--ink-soft);line-height:1.5;
}

.pkg-body{
  padding:18px 24px 12px 28px;flex:1;
}
.pkg-section-label{
  font-size:11px;font-weight:700;letter-spacing:1.5px;
  color:var(--ink-soft);margin-bottom:10px;text-transform:uppercase;
}
.pkg-list{
  list-style:none;padding:0;margin:0;
  display:flex;flex-direction:column;gap:6px;
}
.pkg-list li{
  font-size:13.5px;color:var(--ink-soft);line-height:1.7;
  padding-left:18px;position:relative;
}
.pkg-list li::before{
  content:'';position:absolute;left:4px;top:9px;
  width:6px;height:6px;border-radius:2px;
}
.pkg.p1 .pkg-list li::before{background:#818cf8}
.pkg.p2 .pkg-list li::before{background:#60a5fa}
.pkg.p3 .pkg-list li::before{background:#a78bfa}
.pkg.p4 .pkg-list li::before{background:#f472b6}
.pkg-list li strong{color:var(--ink);font-weight:600}

/* L4 时间线样式 */
.pkg-list.pkg-timeline li{
  padding-left:0;display:flex;align-items:flex-start;gap:12px;
  padding:8px 12px;background:#fdf2f8;border-radius:8px;margin-bottom:6px;
}
.pkg-list.pkg-timeline li::before{display:none}
.pkg-list.pkg-timeline .tl-week{
  flex-shrink:0;font-weight:700;color:#be185d;font-size:13px;
  background:#fff;padding:2px 10px;border-radius:6px;
  border:1px solid #fbcfe8;
}

.pkg-goal{
  margin-top:auto;padding:12px 24px 16px 28px;
  border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink);line-height:1.6;
  display:flex;align-items:center;gap:10px;
}
.pkg-goal .goal-tag{
  flex-shrink:0;font-size:11px;font-weight:700;letter-spacing:1px;
  color:#fff;padding:3px 10px;border-radius:5px;
}
.pkg.p1 .pkg-goal .goal-tag{background:#6366f1}
.pkg.p2 .pkg-goal .goal-tag{background:#3b82f6}
.pkg.p3 .pkg-goal .goal-tag{background:#8b5cf6}
.pkg.p4 .pkg-goal .goal-tag{background:#ec4899}

@media(max-width:900px){
  .pkgs{grid-template-columns:1fr}
  .pkg-name{font-size:17px}
  .pkg-head{padding:16px 18px 14px 22px}
  .pkg-body,.pkg-goal{padding-left:22px;padding-right:18px}
}

/* ===================== 5.1 MVP 全景图 + 断点对照 ===================== */
.mvp-wrap{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:24px;margin:18px 0;overflow-x:auto;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(99,102,241,.04), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(245,158,11,.04), transparent 50%);
}
.mvp-wrap svg{max-width:100%;height:auto;display:block;margin:0 auto}

.bp-map{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:8px;margin:16px 0;
}
.bp-row{
  display:grid;grid-template-columns:48px 1fr 32px 220px;
  gap:14px;align-items:center;
  padding:14px 16px;border-bottom:1px dashed var(--line);
}
.bp-row:last-child{border-bottom:none}
.bp-num{
  width:36px;height:36px;border-radius:50%;
  background:#fef2f2;border:2px solid var(--danger);
  color:var(--danger);font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;
}
.bp-name{font-size:13.5px;color:var(--ink-soft);line-height:1.6}
.bp-name strong{color:var(--ink);font-weight:600}
.bp-arrow{
  text-align:center;color:var(--primary);font-weight:700;font-size:18px;
}
.bp-test{font-size:12.5px;color:var(--ink-soft)}
.bp-test .tag-demand,
.bp-test .tag-process,
.bp-test .tag-supply{
  display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:1px;
  padding:2px 8px;border-radius:5px;margin-right:8px;
}
.bp-test .tag-demand{background:var(--info-soft);color:var(--info)}
.bp-test .tag-process{background:var(--primary-soft);color:var(--primary-dark)}
.bp-test .tag-supply{background:var(--success-soft);color:var(--success)}

@media(max-width:900px){
  .bp-row{grid-template-columns:36px 1fr;gap:10px}
  .bp-row .bp-arrow,.bp-row .bp-test{grid-column:1/-1;text-align:left;padding-left:46px}
  .bp-row .bp-arrow{display:none}
  .mvp-wrap{padding:14px}
}