/* ===== Block 04 · 硬件 ===== */
.hardware {
  margin: 40px var(--pad-x) 0;
  background: linear-gradient(135deg, var(--ikb-deep) 0%, var(--ikb) 55%, var(--ikb-soft) 100%);
  border-radius: 24px;
  padding: 38px 40px;
  color: #fff;
  position: relative; overflow: hidden;
}
.hardware::before {
  content: ""; position: absolute; right: -120px; top: -120px;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(255,169,64,0.22), transparent 65%);
  border-radius: 50%;
}
.hardware::after {
  content: ""; position: absolute; left: -80px; bottom: -80px;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(28,73,192,0.9), transparent 60%);
  border-radius: 50%;
}
.hw-inner { position: relative; z-index: 1; }
.hw-kicker {
  font-size: 12px; font-weight: 800; letter-spacing: 3px;
  color: var(--accent); margin-bottom: 10px;
}
.hw-title {
  font-size: 30px; font-weight: 800; line-height: 1.2;
  margin-bottom: 6px;
}
.hw-sub {
  font-size: 14px; color: rgba(255,255,255,0.78); line-height: 1.65;
  margin-bottom: 22px; max-width: 760px;
}
.hw-badges {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-bottom: 22px;
}
.hw-badge {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.22);
  padding: 7px 14px; border-radius: 999px;
  font-size: 12.5px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
}
.hw-badge::before { content: "●"; color: var(--accent); font-size: 10px; }
.hw-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.hw-group {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 14px;
  padding: 16px 18px;
}
.hw-group-title {
  font-size: 12.5px; font-weight: 800; letter-spacing: 2px;
  color: var(--accent); margin-bottom: 12px;
  display: inline-flex; align-items: center; gap: 6px;
}
.hw-group-title::before {
  content: ""; width: 14px; height: 2px; background: var(--accent);
}
.hw-row {
  display: grid; grid-template-columns: 78px 1fr; gap: 8px;
  padding: 7px 0; border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 11.5px; line-height: 1.5;
}
.hw-row:first-of-type { border-top: none; padding-top: 3px; }
.hw-row-k { color: rgba(255,255,255,0.6); font-weight: 600; }
.hw-row-v { color: #fff; font-weight: 500; }

/* ===== Block 05 · 合规飞轮(引擎图版) ===== */
.flywheel-wrap {
  padding: 0 var(--pad-x);
  position: relative;
}
.fw-cool {
  position: relative;
  height: 760px;
  background:
    radial-gradient(circle at center, rgba(0,47,167,0.10) 0%, transparent 55%),
    linear-gradient(180deg, #fff 0%, #F6F9FD 100%);
  border: 1px solid var(--ikb-line);
  border-radius: 24px;
  overflow: hidden;
}
/* 背景光晕 */
.fw-cool::before {
  content: ""; position: absolute;
  left: 50%; top: 50%;
  width: 620px; height: 620px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0,47,167,0.08) 0%, transparent 60%);
  border-radius: 50%;
  animation: fw-pulse 4s ease-in-out infinite;
}
@keyframes fw-pulse {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50%      { opacity: 1;   transform: translate(-50%, -50%) scale(1.05); }
}
/* 虚线圆轨 */
.fw-cool::after {
  content: ""; position: absolute;
  left: 50%; top: 50%;
  width: 440px; height: 440px;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(0,47,167,0.25);
  border-radius: 50%;
}
/* 节点连线 SVG 层 */
.fw-svg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 1;
  pointer-events: none;
}
.fw-core {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 230px; height: 230px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.25), transparent 60%),
    linear-gradient(135deg, var(--ikb-deep), var(--ikb) 60%, var(--ikb-soft));
  border-radius: 50%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  box-shadow:
    0 0 0 8px rgba(0,47,167,0.06),
    0 0 0 20px rgba(0,47,167,0.03),
    0 24px 64px rgba(0,47,167,0.35),
    inset 0 -20px 40px rgba(0,0,0,0.15);
  text-align: center;
  color: #fff; padding: 20px;
  z-index: 3;
}
.fw-core-star {
  font-size: 30px; color: var(--accent);
  margin-bottom: 6px;
  text-shadow: 0 0 20px rgba(255,169,64,0.8);
  animation: fw-star 3s ease-in-out infinite;
}
@keyframes fw-star {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.1); }
}
.fw-core h3 {
  font-size: 19px; font-weight: 800;
  line-height: 1.25; margin-bottom: 6px;
  letter-spacing: 0.5px;
}
.fw-core p {
  font-size: 11.5px; color: rgba(255,255,255,0.8);
  line-height: 1.45;
}
.fw-ring-node {
  position: absolute;
  width: 210px;
  background: rgba(255,255,255,0.98);
  border: 1px solid var(--ikb-line);
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: 0 10px 28px rgba(0,47,167,0.15);
  backdrop-filter: blur(6px);
  z-index: 4;
}
.fw-ring-node::after {
  content: "";
  position: absolute;
  width: 12px; height: 12px;
  background: var(--accent);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow:
    0 0 0 2px var(--accent),
    0 0 16px rgba(255,169,64,0.7),
    0 0 0 6px rgba(255,169,64,0.2);
  z-index: 5;
}
.fw-node-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px;
  background: linear-gradient(135deg, var(--ikb), var(--ikb-soft));
  color: #fff; border-radius: 50%;
  font-size: 12px; font-weight: 800;
  margin-bottom: 6px;
  box-shadow: 0 4px 12px rgba(0,47,167,0.3);
}
.fw-node-icon {
  position: absolute; top: 14px; right: 14px;
  width: 26px; height: 26px;
  background: var(--ikb-ghost); color: var(--ikb);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
}
.fw-node-icon svg { width: 16px; height: 16px; }
.fw-ring-node h4 {
  font-size: 14px; font-weight: 700; color: var(--ikb);
  margin-bottom: 4px;
}
.fw-ring-node p {
  font-size: 11.5px; color: var(--text-2);
  line-height: 1.5;
}

/* 6 节点定位(时钟:12/2/4/6/8/10 点) */
.fw-ring-node.pos-1 { top: 28px;    left: 50%; transform: translateX(-50%); }
.fw-ring-node.pos-2 { top: 180px;   right: 38px; }
.fw-ring-node.pos-3 { bottom: 180px; right: 38px; }
.fw-ring-node.pos-4 { bottom: 28px;  left: 50%; transform: translateX(-50%); }
.fw-ring-node.pos-5 { bottom: 180px; left: 38px; }
.fw-ring-node.pos-6 { top: 180px;    left: 38px; }

.fw-ring-node.pos-1::after { bottom: -8px; left: 50%; transform: translateX(-50%); }
.fw-ring-node.pos-2::after { bottom: -8px; left: 18px; }
.fw-ring-node.pos-3::after { top: -8px;    left: 18px; }
.fw-ring-node.pos-4::after { top: -8px;    left: 50%; transform: translateX(-50%); }
.fw-ring-node.pos-5::after { top: -8px;    right: 18px; }
.fw-ring-node.pos-6::after { bottom: -8px; right: 18px; }