:root{
  --op-page:1300px;
  --op-bg:#f3f8ff;
  --op-card:#fff;
  --op-text:#0f172a;
  --op-muted:#64748b;
  --op-line:#dbe7f3;
  --op-blue:#2563eb;
  --op-red:#e11d48;
  --op-green:#16a34a;
  --op-gold:#b7791f;
  --op-purple:#7c3aed;
  --op-dark:#071120;
}

*{box-sizing:border-box}

html body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;
  color:var(--op-text);
  background:
    radial-gradient(circle at 8% 0,rgba(37,99,235,.12),transparent 360px),
    radial-gradient(circle at 96% 18%,rgba(225,29,72,.075),transparent 360px),
    linear-gradient(180deg,#f8fbff 0,#eef6fd 45%,#f8fbff 100%);
}

.op-page{
  width:min(var(--op-page),calc(100vw - 36px));
  margin:18px auto 42px;
}

.op-hero{
  position:relative;
  overflow:hidden;
  border-radius:26px;
  color:#fff;
  background:
    radial-gradient(circle at 76% 30%,rgba(59,130,246,.36),transparent 260px),
    linear-gradient(135deg,#071120,#101d33 58%,#1e293b);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 24px 58px rgba(15,23,42,.20);
}

.op-hero:before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(0deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(90deg,rgba(0,0,0,.8),transparent 92%);
  pointer-events:none;
}

.op-hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1fr) 390px;
  gap:28px;
  align-items:center;
  padding:32px;
}

.op-kicker{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  color:#bfdbfe;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.16);
  font-size:12px;
  font-weight:950;
  letter-spacing:.08em;
}

.op-hero h1{
  margin:15px 0 0;
  font-size:42px;
  line-height:1.06;
  letter-spacing:-.045em;
  font-weight:1000;
}

.op-hero p{
  margin:14px 0 0;
  color:#dbeafe;
  font-size:16px;
  line-height:1.72;
  font-weight:700;
}

.op-hero-mini{
  border-radius:20px;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.14);
  padding:16px;
  backdrop-filter:blur(14px);
}

.op-hero-mini b{
  display:block;
  margin-bottom:11px;
  font-size:15px;
}

.op-mini-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:7px;
}

.op-mini-grid span{
  min-height:35px;
  display:grid;
  place-items:center;
  text-align:center;
  border-radius:11px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  color:#e5eefb;
  font-size:12px;
  font-weight:950;
}

.op-stats{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:12px;
  margin-top:14px;
}

.op-stat{
  min-height:92px;
  background:#fff;
  border:1px solid var(--op-line);
  border-radius:18px;
  padding:16px;
  box-shadow:0 12px 30px rgba(15,23,42,.06);
}

.op-stat span{
  display:block;
  color:#64748b;
  font-size:12px;
  font-weight:850;
}

.op-stat b{
  display:block;
  margin-top:7px;
  font-size:28px;
  line-height:1;
  letter-spacing:-.04em;
  font-weight:1000;
}

.op-stat em{
  display:block;
  margin-top:8px;
  color:#94a3b8;
  font-size:12px;
  line-height:1.35;
  font-style:normal;
  font-weight:750;
}

.op-section{
  margin-top:16px;
  border:1px solid var(--op-line);
  background:#fff;
  border-radius:24px;
  box-shadow:0 16px 42px rgba(15,23,42,.065);
  overflow:hidden;
}

.op-head{
  padding:21px 24px 15px;
  border-bottom:1px solid rgba(148,163,184,.20);
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
}

.op-head h2{
  margin:0;
  font-size:25px;
  line-height:1.1;
  letter-spacing:-.035em;
  font-weight:1000;
}

.op-head p{
  margin:8px 0 0;
  color:#64748b;
  font-size:13px;
  line-height:1.55;
  font-weight:750;
}

.op-pill{
  flex:0 0 auto;
  height:28px;
  display:inline-flex;
  align-items:center;
  padding:0 10px;
  border-radius:999px;
  background:#eff6ff;
  border:1px solid #bfdbfe;
  color:#1d4ed8;
  font-size:12px;
  font-weight:950;
}

.op-console{
  display:grid;
  grid-template-columns:270px minmax(0,1fr) 330px;
  min-height:780px;
  background:#f8fbff;
}

.op-left,
.op-right{
  background:#fff;
  padding:18px;
  border-right:1px solid rgba(148,163,184,.22);
}

.op-right{
  border-right:0;
  border-left:1px solid rgba(148,163,184,.22);
}

.op-panel-title{
  margin:0 0 12px;
  font-size:16px;
  font-weight:1000;
}

.op-layer-list{
  display:grid;
  gap:9px;
}

.op-layer{
  width:100%;
  border:1px solid #dbe7f3;
  background:#f8fbff;
  color:#0f172a;
  border-radius:14px;
  padding:12px;
  text-align:left;
  cursor:pointer;
}

.op-layer.active{
  background:#eff6ff;
  border-color:#93c5fd;
  box-shadow:0 10px 24px rgba(37,99,235,.10);
}

.op-layer b{
  display:block;
  font-size:13px;
  font-weight:1000;
}

.op-layer span{
  display:block;
  margin-top:5px;
  color:#64748b;
  font-size:11.5px;
  line-height:1.35;
  font-weight:750;
}

.op-globe-wrap{
  position:relative;
  min-height:780px;
  overflow:hidden;
  background:
    radial-gradient(circle at 50% 43%,rgba(37,99,235,.09),transparent 380px),
    linear-gradient(90deg,rgba(37,99,235,.035) 1px,transparent 1px),
    linear-gradient(0deg,rgba(37,99,235,.028) 1px,transparent 1px),
    #f8fbff;
  background-size:auto,42px 42px,42px 42px,auto;
}

.op-orbit-stage{
  position:absolute;
  left:50%;
  top:47%;
  width:620px;
  height:620px;
  transform:translate(-50%,-50%);
}

.op-orbit{
  position:absolute;
  inset:0;
  border-radius:50%;
  border:1px dashed rgba(37,99,235,.20);
}

.op-orbit.o2{inset:55px;border-color:rgba(124,58,237,.18);}
.op-orbit.o3{inset:110px;border-color:rgba(22,163,74,.18);}

.op-globe{
  position:absolute;
  left:50%;
  top:50%;
  width:238px;
  height:238px;
  transform:translate(-50%,-50%);
  border-radius:50%;
  display:grid;
  place-items:center;
  text-align:center;
  color:#fff;
  background:
    radial-gradient(circle at 32% 22%,rgba(255,255,255,.32),transparent 20%),
    radial-gradient(circle at 62% 60%,rgba(59,130,246,.40),transparent 48%),
    linear-gradient(135deg,#071120,#10223f 68%,#172554);
  box-shadow:
    0 0 0 18px rgba(37,99,235,.06),
    0 0 0 44px rgba(37,99,235,.035),
    0 30px 70px rgba(15,23,42,.25);
  border:1px solid rgba(147,197,253,.35);
}

.op-globe:before{
  content:"";
  position:absolute;
  inset:18px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.12);
}

.op-globe:after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  top:50%;
  height:1px;
  background:rgba(255,255,255,.18);
  box-shadow:0 -42px 0 rgba(255,255,255,.09),0 42px 0 rgba(255,255,255,.09);
}

.op-globe h3{
  position:relative;
  z-index:1;
  margin:0;
  font-size:27px;
  line-height:1.1;
  letter-spacing:-.035em;
  font-weight:1000;
}

.op-globe p{
  position:relative;
  z-index:1;
  margin:10px auto 0;
  max-width:180px;
  color:#dbeafe;
  font-size:12px;
  line-height:1.55;
  font-weight:750;
}

.op-node{
  position:absolute;
  width:170px;
  min-height:86px;
  border-radius:16px;
  border:1px solid #dbe7f3;
  background:rgba(255,255,255,.94);
  box-shadow:0 14px 32px rgba(15,23,42,.09);
  padding:12px;
  cursor:pointer;
  backdrop-filter:blur(14px);
  transition:.18s ease;
}

.op-node:hover,
.op-node.active{
  transform:translateY(-2px);
  border-color:#93c5fd;
  box-shadow:0 18px 38px rgba(37,99,235,.16);
}

.op-node:before{
  content:"";
  position:absolute;
  left:0;
  top:13px;
  bottom:13px;
  width:4px;
  border-radius:999px;
  background:#2563eb;
}

.op-node.red:before{background:#e11d48;}
.op-node.green:before{background:#16a34a;}
.op-node.gold:before{background:#b7791f;}
.op-node.purple:before{background:#7c3aed;}
.op-node.dark:before{background:#0f172a;}

.op-node b{
  display:block;
  font-size:13.5px;
  line-height:1.18;
  font-weight:1000;
}

.op-node span{
  display:block;
  margin-top:5px;
  color:#64748b;
  font-size:11px;
  line-height:1.35;
  font-weight:750;
}

.op-node em{
  display:inline-flex;
  height:20px;
  align-items:center;
  margin-top:7px;
  padding:0 7px;
  border-radius:999px;
  background:#f1f5f9;
  color:#334155;
  font-size:10px;
  font-style:normal;
  font-weight:900;
}

.n-steel{left:18px;top:36px}
.n-price{right:18px;top:36px}
.n-trade{right:-12px;top:250px}
.n-process{right:44px;bottom:76px}
.n-logistics{left:44px;bottom:76px}
.n-digital{left:-12px;top:250px}
.n-money{right:250px;bottom:-12px}
.n-risk{left:250px;bottom:-12px}
.n-market{left:225px;top:-18px}

.op-lines{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  pointer-events:none;
}

.op-lines path{
  fill:none;
  stroke-width:3;
  stroke-linecap:round;
  stroke-dasharray:9 10;
  animation:opDash 1.8s linear infinite;
  opacity:.70;
}

@keyframes opDash{to{stroke-dashoffset:-38}}

.op-drill-title{
  margin:0;
  font-size:18px;
  font-weight:1000;
}

.op-drill-sub{
  margin:7px 0 14px;
  color:#64748b;
  font-size:12.5px;
  line-height:1.45;
  font-weight:750;
}

.op-drill-box{
  border:1px solid #dbe7f3;
  background:#f8fbff;
  border-radius:16px;
  padding:13px;
  margin-bottom:12px;
}

.op-drill-box b{
  display:block;
  font-size:13px;
  font-weight:1000;
  margin-bottom:8px;
}

.op-tags{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
}

.op-tags span{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 8px;
  border-radius:999px;
  background:#eef6ff;
  color:#1e40af;
  font-size:11px;
  font-weight:850;
}

.op-company-list{
  display:grid;
  gap:8px;
  max-height:315px;
  overflow:auto;
  padding-right:4px;
}

.op-company{
  border:1px solid #dbe7f3;
  background:#fff;
  border-radius:13px;
  padding:10px;
}

.op-company b{
  display:block;
  font-size:13px;
  font-weight:1000;
}

.op-company span{
  display:block;
  margin-top:4px;
  color:#64748b;
  font-size:11px;
  line-height:1.35;
  font-weight:750;
}

.op-material-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  padding:20px 24px 24px;
}

.op-material{
  border:1px solid #dbe7f3;
  background:linear-gradient(180deg,#fff,#f8fbff);
  border-radius:18px;
  padding:16px;
  box-shadow:0 12px 30px rgba(15,23,42,.055);
  cursor:pointer;
}

.op-material:hover{
  border-color:#93c5fd;
  box-shadow:0 18px 38px rgba(37,99,235,.12);
}

.op-material h3{
  margin:0;
  font-size:18px;
  font-weight:1000;
}

.op-material-meta{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  margin-top:12px;
}

.op-material-meta span{
  display:block;
  border-radius:12px;
  background:#f1f5f9;
  padding:8px;
  color:#64748b;
  font-size:11px;
  font-weight:850;
}

.op-material-meta b{
  display:block;
  color:#0f172a;
  font-size:16px;
  margin-top:3px;
}

.op-flow{
  padding:20px 24px 24px;
}

.op-flow-track{
  display:grid;
  grid-template-columns:repeat(9,1fr);
  gap:9px;
}

.op-step{
  min-height:138px;
  position:relative;
  border:1px solid #dbe7f3;
  background:#fff;
  border-radius:17px;
  text-align:center;
  padding:15px 10px;
  box-shadow:0 12px 30px rgba(15,23,42,.055);
}

.op-step:not(:last-child):after{
  content:"";
  position:absolute;
  right:-10px;
  top:50%;
  width:10px;
  height:2px;
  background:#cbd5e1;
}

.op-step i{
  width:32px;
  height:32px;
  margin:0 auto 9px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:#eff6ff;
  color:#2563eb;
  font-style:normal;
  font-size:12px;
  font-weight:1000;
}

.op-step b{
  display:block;
  font-size:14px;
  font-weight:1000;
}

.op-step span{
  display:block;
  margin-top:7px;
  color:#64748b;
  font-size:11px;
  line-height:1.42;
  font-weight:750;
}

.op-bottom-grid{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:16px;
  margin-top:16px;
}

.op-card{
  border:1px solid var(--op-line);
  background:#fff;
  border-radius:22px;
  box-shadow:0 16px 42px rgba(15,23,42,.065);
  overflow:hidden;
}

.op-card-head{
  padding:20px 22px 14px;
  border-bottom:1px solid rgba(148,163,184,.20);
}

.op-card-head h2{
  margin:0;
  font-size:23px;
  letter-spacing:-.035em;
  font-weight:1000;
}

.op-card-head p{
  margin:8px 0 0;
  color:#64748b;
  font-size:13px;
  line-height:1.55;
  font-weight:750;
}

.op-list{
  padding:18px 20px 20px;
  display:grid;
  gap:10px;
}

.op-list-item{
  display:grid;
  grid-template-columns:84px minmax(0,1fr);
  gap:12px;
  align-items:center;
  min-height:78px;
  border-radius:16px;
  border:1px solid #dbe7f3;
  background:#f8fbff;
  padding:13px;
}

.op-list-item strong{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:28px;
  border-radius:999px;
  background:#eff6ff;
  color:#2563eb;
  font-size:12px;
  font-weight:950;
}

.op-list-item b{
  display:block;
  font-size:16px;
  font-weight:1000;
}

.op-list-item span{
  display:block;
  margin-top:5px;
  color:#64748b;
  font-size:12px;
  line-height:1.4;
  font-weight:750;
}

.op-entry{
  margin-top:16px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
}

.op-entry a{
  min-height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  text-decoration:none;
  color:#0f172a;
  border:1px solid #dbe7f3;
  background:#fff;
  border-radius:17px;
  padding:15px 16px;
  box-shadow:0 12px 30px rgba(15,23,42,.055);
}

.op-entry b{
  display:block;
  font-size:15px;
  font-weight:1000;
}

.op-entry span{
  display:block;
  margin-top:5px;
  color:#64748b;
  font-size:12px;
  font-weight:750;
}

.op-entry em{
  width:32px;
  height:32px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:#eff6ff;
  color:#2563eb;
  font-style:normal;
  font-weight:1000;
}

@media(max-width:1180px){
  .op-hero-inner{grid-template-columns:1fr;}
  .op-stats{grid-template-columns:repeat(3,1fr);}
  .op-console{grid-template-columns:1fr;}
  .op-left,.op-right{border:0;border-bottom:1px solid rgba(148,163,184,.22)}
  .op-globe-wrap{min-height:auto;padding:18px}
  .op-orbit-stage{position:relative;left:auto;top:auto;transform:none;width:auto;height:auto;display:grid;gap:10px}
  .op-orbit,.op-lines{display:none}
  .op-globe,.op-node{position:relative;left:auto;right:auto;top:auto;bottom:auto;transform:none;width:auto}
  .op-material-grid{grid-template-columns:repeat(2,1fr)}
  .op-flow-track{grid-template-columns:repeat(3,1fr)}
  .op-step:not(:last-child):after{display:none}
  .op-bottom-grid{grid-template-columns:1fr}
}

@media(max-width:760px){
  .op-page{width:min(100vw - 20px,760px);margin-top:12px}
  .op-hero-inner{padding:24px 18px}
  .op-hero h1{font-size:30px}
  .op-mini-grid,.op-stats,.op-material-grid,.op-flow-track,.op-entry{grid-template-columns:1fr}
  .op-head{align-items:flex-start;flex-direction:column;padding:18px}
}