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/* Nested harness view: System 1 and System 2 are capabilities inside one runtime. */
.systems-workbench{padding:22px;background:radial-gradient(ellipse at 50% 0%,#e4f0f4 0,transparent 58%),#f4f8f9}
.systems-workbench .systems-modes{margin-bottom:18px}
.systems-runtime.systems-harness{position:relative;padding:18px 16px 15px;border:1px solid #a9c5d1;border-radius:14px;background:linear-gradient(145deg,#e8f3f5e8,#f6faf9e8);box-shadow:0 16px 34px #4e7a9012}
.systems-harness:before{content:'';position:absolute;inset:7px;border:1px dashed #b6ccd5;border-radius:10px;pointer-events:none}
.systems-harness .systems-runtime-title,.systems-harness .systems-runtime-modules,.systems-harness .systems-models,.systems-harness .systems-physical-links,.systems-harness .systems-terminals{position:relative}
.systems-harness .systems-runtime-title{padding:0 4px 13px;border-bottom:1px solid #c9dce4}
.systems-harness .systems-runtime-title strong{font-size:22px}
.systems-harness .systems-models{display:flex;flex-direction:column;gap:0;padding:14px 8px 4px}
.systems-harness .system-node{width:100%;border-radius:9px;background:#eff8f7e8}
.systems-harness .system-two{border-color:#9ac8cd;background:#e0f2f1e8}
.systems-harness .system-one{border-color:#bed7c9;background:#f3f8f4e8}
.systems-harness .system-node h4{margin:7px 0 3px;font-size:18px}
.systems-harness .system-node p{min-height:0;margin-bottom:8px}
.systems-harness .systems-coordination{order:2;display:grid;grid-template-columns:1fr auto 1fr;gap:7px;width:100%;padding:8px 0;color:#6c9291}
.systems-harness .systems-coordination span{font-size:12px}
.systems-harness .systems-coordination span:last-child{text-align:right}
.systems-harness .systems-coordination b{font-size:18px;line-height:12px}
.systems-harness .system-one{order:3}
.systems-harness .systems-physical-links{line-height:29px;border-top:1px solid #cbdde3;margin-top:5px}
.systems-harness .systems-terminals{border-color:#c3d9d8;background:#f8fbfae8}
.systems-harness-flow{position:relative}
.systems-flow-connector{display:flex;align-items:center;justify-content:center;gap:9px;height:27px;color:#6d929d;font-size:12px;letter-spacing:.2px}
.systems-flow-connector b{font-size:19px;line-height:1;font-weight:300;color:#5e8492}
.systems-runtime-modules{position:relative}
.systems-runtime-modules:after{content:'执行与反馈';position:absolute;left:50%;bottom:-14px;transform:translateX(-50%);font-size:12px;color:#7896a1;white-space:nowrap;background:#eaf4f4;padding:0 5px}
.systems-harness .systems-physical-links{align-items:center;gap:28px;text-align:center}
.systems-harness .systems-physical-links span{position:relative}
.systems-harness .systems-physical-links span:first-child:after{content:'动作下发';display:block;font-size:12px;color:#8da6af;line-height:1}
.systems-harness .systems-physical-links span:last-child:after{content:'观测回传';display:block;font-size:12px;color:#8da6af;line-height:1}
.systems-harness .systems-runtime-title{margin-bottom:4px}
.systems-harness .systems-harness-flow{padding:8px 0 2px}
.systems-harness .systems-models{display:grid;grid-template-columns:minmax(0,1fr) 52px minmax(0,1fr);align-items:center;gap:8px;padding:12px 0 8px}
.systems-harness .system-node{width:auto;min-width:0}
.systems-harness .system-two{grid-column:1;grid-row:1}
.systems-harness .systems-coordination{grid-column:2;grid-row:1;display:flex;flex-direction:column;gap:3px;padding:0;width:auto}
.systems-harness .system-one{grid-column:3;grid-row:1}
.systems-harness .systems-flow-connector{height:22px;border-top:1px solid #cbdde3;color:#7897a2}
.systems-harness .systems-runtime-modules{margin-top:12px}
.systems-harness:before{display:none}
.systems-harness .systems-harness-flow{margin:0 -2px}
.systems-harness .system-node{box-shadow:0 1px 0 #ffffff80 inset}
.systems-harness .systems-runtime-modules{border-top-color:#c8dce5}
/* Reference layout: one runtime boundary, external physical terminals. */
.systems-runtime.systems-harness{padding:22px 16px 20px;border-radius:8px;background:linear-gradient(120deg,#e4eff5,#edf4f7);box-shadow:none}
.systems-harness .systems-runtime-title{padding:0 0 18px;border:0;margin:0}
.systems-harness .systems-runtime-title strong{font-size:25px}
.systems-harness .systems-harness-flow{margin:0;padding:10px 5px 0;background:#f8fbfc70}
.systems-harness .systems-models{padding:0;gap:7px;grid-template-columns:minmax(0,1fr) 44px minmax(0,1fr);align-items:stretch}
.systems-harness .system-node{padding:18px 13px;border-radius:9px;background:#f8fbfd;border-color:#d6e4eb;min-height:204px;display:flex;flex-direction:column}
.systems-harness .system-one{background:#f7fbf9;border-color:#dbe8e1}
.systems-harness .system-node h4{font-size:21px;margin:18px 0 10px}
.systems-harness .system-node p{font-size:12px;line-height:1.8;margin:0 0 24px;flex:1}
.systems-harness .system-node .system-type{align-self:flex-start}
.systems-harness .systems-coordination{justify-content:center;gap:6px;order:0}
.systems-harness .systems-coordination b{font-size:25px;line-height:20px}
.systems-harness .systems-flow-connector{display:grid;grid-template-columns:1fr auto 1fr;height:42px;border:0;text-align:center;gap:0}
.systems-harness .systems-flow-connector b{font-size:27px;font-weight:300}
.systems-harness .systems-runtime-modules{margin:0;padding-top:19px}
.systems-harness .systems-runtime-modules:after{display:none}
.systems-workbench>.systems-physical-links{line-height:40px;gap:30px}
@media(max-width:480px){.systems-runtime.systems-harness{padding:18px 10px}.systems-harness .systems-models{grid-template-columns:minmax(0,1fr) 32px minmax(0,1fr);gap:4px}.systems-harness .system-node{padding:14px 9px;min-height:200px}.systems-harness .system-node h4{font-size:19px}.systems-harness .systems-coordination span{font-size:12px}.systems-harness .system-node p{font-size:12px}.systems-harness .systems-flow-connector{font-size:12px}}
.relocated-architecture .combined-evolution{width:100%;margin:0;background:#e9f1f5;border:0}
.relocated-architecture #architecture.arch-compact{margin:80px auto 0}
.systems-harness .systems-harness-flow{background:transparent}
@media(max-width:767px){.relocated-architecture #architecture.arch-compact{margin-top:48px}}