:root{
  --blue:#1852B6;--deep:#0d47a1;--ink:#172033;--muted:#6b7684;--line:#dbe5f3;
  --bg:#f4f8fd;--card:#fff;--amber:#FFD479;--red:#C0392B;--green:#177245;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65;overflow-x:hidden}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1320px;margin:0 auto;padding:0 20px 34px}
.toplinks{max-width:1320px;margin:0 auto;padding:8px 20px 0;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.toplinks a{font-weight:700}
.toplinks .sep{color:#b7c3d3}
.hero{background:linear-gradient(135deg,#0a3172 0%,#1852B6 54%,#2d7be0 100%);border-radius:14px;color:#fff;padding:24px 26px 20px;margin:12px 0 14px;box-shadow:0 8px 26px rgba(18,64,145,.18);display:grid;grid-template-columns:1.35fr .65fr;gap:18px;align-items:center}
.hero .eyebrow{font-size:10.5px;font-weight:900;letter-spacing:.15em;color:#bcd4ff;text-transform:uppercase}
.hero h1{font-size:28px;letter-spacing:.5px;margin:6px 0 7px}
.hero p{margin:0;font-size:13px;line-height:1.8;color:#dce9ff;max-width:850px}
.hero b{color:#fff}
.hero-kpis{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}
.kpi{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);border-radius:8px;padding:7px 9px;text-align:center}
.kpi b{display:block;font-size:18px;color:var(--amber);line-height:1.2}
.kpi span{font-size:10.2px;color:#dce9ff}
.hero-note{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.2);padding-top:9px;display:flex;gap:7px;flex-wrap:wrap;font-size:10.6px;color:#dce9ff}
.hero-note span{border:1px solid rgba(255,255,255,.26);border-radius:999px;padding:3px 8px;background:rgba(255,255,255,.08)}
.anchorbar{position:sticky;top:0;z-index:20;background:rgba(244,248,253,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);display:flex;gap:4px;overflow-x:auto;padding:7px 0;margin-bottom:14px}
.anchorbar a{white-space:nowrap;font-size:11.8px;font-weight:800;color:#43505f;padding:5px 9px;border-radius:6px}
.anchorbar a:hover{background:#eaf2ff;color:var(--blue);text-decoration:none}
.section{margin:0 0 16px;scroll-margin-top:58px}
.section-h{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:0 0 9px}
.section-h h2{font-size:18px;margin:0;color:#123b7a;letter-spacing:.2px}
.section-h .sub{font-size:11.4px;color:var(--muted);line-height:1.5}
.card{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:14px 16px;box-shadow:0 2px 10px rgba(18,64,145,.04)}
.card h3{font-size:14px;color:#164a94;margin:0 0 7px}
.kicker{font-size:10.4px;color:#8a96a6;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.note{font-size:11.2px;color:#5f6b7a;line-height:1.7;background:#f8fbff;border:1px dashed #cfdbee;border-radius:8px;padding:8px 10px;margin-top:9px}
.note b{color:#164a94}
.warn{background:#FFF9EE;border:1px solid #F0DCAA;color:#7a4f0b;border-radius:8px;padding:8px 10px;font-size:11.5px;line-height:1.7}
.method-bar{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 9px}
.chip{border:1px solid #d3e1f4;background:#fff;color:#3b4a5f;border-radius:999px;padding:4px 9px;font-size:11px;font-weight:700;cursor:pointer}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.chip.on{background:var(--blue);border-color:var(--blue);color:#fff}
.method-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.method{border:1px solid var(--line);border-radius:9px;padding:10px;background:#fff;display:flex;flex-direction:column;gap:5px}
.method .mh{display:flex;align-items:flex-start;justify-content:space-between;gap:6px}
.method b{font-size:12.4px;color:#164a94;line-height:1.4}
.method .cat{font-size:9.8px;color:#1852B6;background:#eaf2ff;border:1px solid #c9dcf8;border-radius:5px;padding:1px 5px;white-space:nowrap}
.method p{font-size:10.9px;line-height:1.6;color:#4b5563;margin:0}
.method .meta{font-size:10.2px;color:#7c8797;line-height:1.55}
.method .refs{font-size:10.2px;line-height:1.55;margin-top:auto}
.method details{margin-top:3px}
.method summary{cursor:pointer;color:var(--blue);font-size:10.4px;font-weight:800}
.method .det{font-size:10.4px;color:#43505f;line-height:1.65;margin-top:4px;border-top:1px dashed #e3e8f1;padding-top:4px}
.selector{display:grid;grid-template-columns:1.1fr 1.3fr 1.2fr auto;gap:9px;align-items:end}
.field label{display:block;font-size:10.5px;font-weight:800;color:#7c8797;margin-bottom:3px}
.field select{width:100%;border:1px solid #cfdbee;border-radius:7px;background:#fff;color:#1b2430;padding:8px 9px;font-size:12.2px;outline:none}
.field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(24,82,182,.1)}
.btn{border:1px solid #cfdbee;background:#fff;color:var(--blue);border-radius:7px;padding:8px 12px;font-size:12px;font-weight:800;cursor:pointer;white-space:nowrap}
.btn:hover{background:#f2f7ff}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.ghost{background:#f8fbff}
.btn:disabled{opacity:.55;cursor:wait}
.gen-status{font-size:11.2px;color:var(--muted);margin-top:8px;min-height:17px}
.routes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:10px}
.route{border:1px solid var(--line);border-radius:10px;padding:11px;background:#fff;cursor:pointer;transition:.15s;display:flex;flex-direction:column;gap:6px}
.route:hover{border-color:#a9c2ea;box-shadow:0 4px 14px rgba(18,64,145,.08)}
.route.on{border-color:var(--blue);box-shadow:inset 4px 0 0 var(--blue);background:#f8fbff}
.route .rh{display:flex;align-items:flex-start;justify-content:space-between;gap:6px}
.route b{font-size:12.5px;color:#164a94;line-height:1.45}
.route .badge{font-size:9.6px;font-weight:800;border-radius:5px;padding:1px 5px;white-space:nowrap;border:1px solid #c9dcf8;background:#eaf2ff;color:#1852B6}
.route .badge.high{background:#e8f7ee;border-color:#bfe7cf;color:#177245}
.route .badge.medium{background:#fff7e6;border-color:#f0dcaa;color:#8a5a12}
.route .badge.low{background:#f1f2f4;border-color:#dde1e7;color:#5f6b7a}
.route .desc{font-size:10.9px;color:#4b5563;line-height:1.6;margin:0}
.route .tags{display:flex;gap:4px;flex-wrap:wrap}
.route .tag{font-size:9.8px;color:#3b4a5f;background:#f4f8fe;border:1px solid #dce7f7;border-radius:5px;padding:1px 5px}
.route .bottom{display:flex;justify-content:space-between;gap:6px;font-size:10.3px;color:#7c8797;margin-top:auto;padding-top:4px}
.route .open{border:0;background:transparent;color:var(--blue);font-size:10.7px;font-weight:800;cursor:pointer;padding:0}
.empty{border:1px dashed #cfdbee;background:#fbfcfe;border-radius:8px;padding:12px;color:#6b7684;font-size:11.5px;line-height:1.7}
.plan h3{font-size:16px;color:#123b7a;margin:0 0 3px}
.plan .lead{font-size:12px;color:#43505f;line-height:1.7;margin:0 0 9px}
.timeline{display:flex;flex-direction:column;gap:0;margin-top:5px}
.step{display:grid;grid-template-columns:32px minmax(0,1fr);gap:9px;position:relative}
.step .num{width:26px;height:26px;border-radius:50%;background:#eaf2ff;border:1px solid #c9dcf8;color:#1852B6;font-size:10.5px;font-weight:900;display:flex;align-items:center;justify-content:center;z-index:1}
.step .body{border-left:2px solid #dce7f7;padding:0 0 12px 12px;margin-left:12px}
.step:last-child .body{border-left-color:transparent}
.step .body b{font-size:12.1px;color:#164a94}
.step .body p{font-size:11.2px;line-height:1.65;color:#43505f;margin:3px 0}
.step .gate{font-size:10.7px;line-height:1.6;color:#7a4f0b;background:#fff9ee;border:1px solid #f0dcaa;border-radius:6px;padding:4px 7px;margin-top:4px}
.equipment{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:9px}
.eq{border:1px solid var(--line);border-radius:8px;padding:8px;background:#fbfdff}
.eq b{font-size:11.2px;color:#164a94;display:block}
.eq span{font-size:10.3px;color:#5f6b7a;line-height:1.55;display:block;margin-top:2px}
.eq .lv{font-size:9.8px;color:#1852B6;font-weight:800}
.readouts{display:flex;gap:5px;flex-wrap:wrap;margin-top:7px}
.readouts span{font-size:10.5px;background:#f4f8fe;border:1px solid #dce7f7;border-radius:5px;padding:2px 6px;color:#3b4a5f}
.sim-top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}
.sim-top h3{font-size:15px;color:#123b7a;margin:0 0 2px}
.kind{font-size:9.8px;font-weight:900;color:#1852B6;background:#eaf2ff;border:1px solid #c9dcf8;border-radius:5px;padding:2px 6px;white-space:nowrap}
.anchors{display:flex;flex-direction:column;gap:5px;margin:8px 0}
.anchor{font-size:10.8px;line-height:1.6;color:#43505f;background:#f8fbff;border:1px solid #e3ecf9;border-radius:7px;padding:5px 8px}
.anchor b{color:#164a94}
.anchor a{font-size:10.2px}
.model{font-size:10.9px;line-height:1.7;color:#43505f;background:#fbfcfe;border:1px dashed #dfe6f0;border-radius:7px;padding:7px 9px;margin:6px 0}
.model b{color:#164a94}
.chart{background:#fff;border:1px solid #eef2f7;border-radius:8px;padding:5px;margin-top:6px}
.chart svg{width:100%;height:auto;display:block}
.legend{display:flex;gap:10px;flex-wrap:wrap;font-size:10.4px;color:#5f6b7a;margin:3px 0 0}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:3px;vertical-align:-1px}
.table-wrap{overflow-x:auto;margin-top:7px}
table{border-collapse:collapse;width:100%;font-size:11px;background:#fff}
th,td{border:1px solid #e3e8f1;padding:6px 7px;text-align:left;vertical-align:top;line-height:1.55}
th{background:#f4f8fe;color:#164a94;font-weight:800;font-size:10.6px}
td.num{text-align:right;white-space:nowrap}
.q-high{background:#e8f7ee;color:#177245;font-weight:800}
.q-mid{background:#fff7e6;color:#8a5a12;font-weight:800}
.q-low{background:#f1f2f4;color:#5f6b7a;font-weight:800}
.interp{font-size:11px;line-height:1.7;color:#43505f;margin:6px 0 0;padding-left:17px}
.interp li{margin:2px 0}
.sources{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin-top:7px}
.source{font-size:10.5px;line-height:1.55;color:#43505f;border-bottom:1px solid #eef2f7;padding:4px 0}
.source b{color:#164a94}
.source a{font-size:10px}
details.big summary{cursor:pointer;color:var(--blue);font-weight:800;font-size:12px}
.footer-note{font-size:10.6px;color:#7c8797;line-height:1.7;margin-top:8px}
@media(max-width:1050px){
 .hero{grid-template-columns:1fr}
 .hero-kpis{grid-template-columns:repeat(5,1fr)}
 .method-grid,.routes{grid-template-columns:repeat(2,minmax(0,1fr))}
 .selector{grid-template-columns:1fr 1fr}
 .equipment{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:700px){
 .wrap{padding:0 12px 24px}
 .hero{padding:16px 14px 13px}
 .hero h1{font-size:22px}
 .hero-kpis{grid-template-columns:repeat(3,1fr)}
 .method-grid,.routes,.equipment,.sources{grid-template-columns:1fr}
 .selector{grid-template-columns:1fr}
 .section-h{display:block}
 .section-h .sub{margin-top:3px}
 .toplinks{padding:7px 12px 0}
}