.four-port-story{position:fixed;z-index:12;left:330px;right:16px;top:18px;bottom:80px;display:flex;flex-direction:column;min-height:0;color:#e9f4f5;pointer-events:none;font-family:var(--font-ui)}
.four-port-story[hidden]{display:none}
.four-port-header{flex:none;margin:0 0 10px;padding:10px 12px 8px;border:1px solid rgba(160,200,213,.25);border-radius:7px;background:rgba(5,15,25,.95);box-shadow:0 8px 20px #0003}
.four-port-header-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.four-port-heading{font-size:14px;font-weight:600;letter-spacing:-.02em;line-height:1.35}
.four-port-phase{display:flex;align-items:center;gap:9px;white-space:nowrap;font-size:12px;color:#c7e1e8}
.four-port-step{font:600 11px/1.2 var(--font-ui);color:#71d0db;letter-spacing:.08em}
.four-port-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));list-style:none;margin:9px 0 0;padding:0;gap:8px}
.four-port-flow li{display:flex;align-items:center;gap:6px;min-width:0;padding:4px 0 5px;border-bottom:2px solid #294651;color:#7f9fae;font-size:11px;line-height:1.3}
.four-port-flow li small{font:500 9px/1.2 var(--font-ui);color:#668a9b}
.four-port-flow li.done{border-color:#467f8c;color:#a4c9d3}
.four-port-flow li.active{border-color:#58e4df;color:#edffff}
.four-port-flow li.active small{color:#58e4df}
.four-port-grid{flex:1;min-height:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));gap:9px}
.four-port-map{position:relative;min-width:0;min-height:0;overflow:hidden;border:1px solid rgba(152,198,210,.36);border-radius:8px;background:#061824;box-shadow:0 12px 28px #0004}
.four-port-map::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(2,10,17,.25),transparent 34%,transparent 76%,rgba(2,10,17,.18));border-radius:inherit}
.four-port-map canvas{display:block;width:100%;height:100%}
.four-port-detail{display:none;position:absolute;z-index:2;right:8px;bottom:8px;padding:4px;border:1px solid rgba(133,180,198,.62);border-radius:4px;background:#03111d;box-shadow:0 4px 14px #0006}
.four-port-story[data-phase="1"] .four-port-detail{display:block}
.four-port-detail-title{display:block;padding:0 2px 3px;font-size:9px;line-height:1.3;color:#b6d7e3}
.four-port-detail canvas{display:block;width:auto;height:auto}
.four-port-map-head{position:absolute;z-index:1;left:10px;right:10px;top:9px;display:flex;justify-content:space-between;align-items:flex-start;gap:8px;pointer-events:none}
.four-port-city{display:flex;flex-direction:column;gap:3px;padding:5px 7px;background:rgba(3,13,22,.88);border:1px solid rgba(119,172,186,.25);border-radius:4px}
.four-port-city-line{display:flex;align-items:baseline;gap:8px}
.four-port-area{display:block;font-size:10px;line-height:1.3;color:#9bbac7}
.four-port-city strong{font-weight:650;font-size:14px;letter-spacing:-.02em}
.four-port-city small{font:500 9px/1.2 var(--font-ui);letter-spacing:.08em;color:#9bc3cf}
.four-port-map-code{font:500 9px/1.2 var(--font-ui);letter-spacing:.1em;color:#8aaeb8;padding:4px 6px;background:rgba(3,13,22,.68);border-radius:3px}
.four-port-map-scale{position:absolute;z-index:1;left:12px;bottom:10px;color:#8aa9b2;font:500 9px/1.25 var(--font-ui);text-shadow:0 1px 2px #000}
.four-port-map-scale i{display:block;margin-bottom:3px;height:4px;box-sizing:border-box;border:1px solid #8dafb9;border-top:0}
.four-port-footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:5px 12px;flex:none;margin-top:8px;padding:6px 10px;border:1px solid rgba(160,200,213,.2);border-radius:6px;background:rgba(5,15,25,.94);font-size:10px;color:#a3bdc8}
.four-port-key{display:flex;gap:13px;color:#d9ecf1;white-space:nowrap}
.four-port-key span{display:flex;align-items:center;gap:5px}
.four-port-key i{display:inline-block;width:6px;height:6px;border-radius:2px;background:#e3f5fb}
.four-port-key .anchor i{background:#ffbd70}
.four-port-key .berth i{background:#58e4df}
.four-port-key.classifying .raw{display:none}
.four-port-key:not(.classifying) .anchor,.four-port-key:not(.classifying) .berth{display:none}
.four-port-footer small{font-size:9px;color:#728e98}
body.four-port-mode>.legend,body.four-port-mode>.globe-quality.story{display:none!important}
body.four-port-mode .generation-card,body.four-port-mode .map-caption{display:none!important}
@media(max-width:1050px){.four-port-story{left:322px;right:12px;top:14px;bottom:78px}.four-port-header{padding:8px 10px}.four-port-heading{font-size:12px}.four-port-phase{font-size:11px;gap:6px}.four-port-city-line{gap:5px}.four-port-city small{font-size:8px}.four-port-map-code{display:none}}
@media(max-width:800px) and (min-width:541px){.four-port-story{left:320px;right:10px;top:12px;bottom:76px}.four-port-header{margin-bottom:7px}.four-port-header-top{align-items:flex-start;flex-direction:column;gap:5px}.four-port-flow{gap:5px;margin-top:6px}.four-port-flow li{font-size:9px;gap:3px}.four-port-flow li small{display:none}.four-port-grid{gap:6px}.four-port-city small{display:none}.four-port-city strong{font-size:13px}.four-port-map-head{left:6px;right:6px;top:6px}.four-port-city{padding:3px 5px}.four-port-area{font-size:8px}.four-port-footer{padding:5px 7px;font-size:9px}.four-port-footer small{display:none}.four-port-key{gap:8px}}
@media(max-width:540px){.four-port-story{left:10px;right:10px;top:10px;bottom:calc(min(31vh,250px) + 78px)}.four-port-header{padding:7px 8px 5px;margin-bottom:6px}.four-port-header-top{gap:6px}.four-port-heading{font-size:11px}.four-port-phase{gap:5px;font-size:10px}.four-port-step{font-size:9px}.four-port-flow{margin-top:6px;gap:6px}.four-port-flow li{font-size:9px;gap:4px;padding:2px 0 4px}.four-port-flow li small{font-size:8px}.four-port-grid{gap:6px}.four-port-map{border-radius:6px}.four-port-map-head{left:6px;right:6px;top:6px}.four-port-city{gap:3px;padding:3px 5px;border-radius:3px}.four-port-city-line{gap:4px}.four-port-area{font-size:8px}.four-port-city strong{font-size:12px}.four-port-city small{font-size:7px}.four-port-map-code{display:none}.four-port-map-scale{font-size:8px;left:8px;bottom:7px}.four-port-footer{margin-top:6px;padding:5px 7px;gap:4px;font-size:9px}.four-port-footer small{display:none}.four-port-key{gap:9px}.four-port-key i{width:5px;height:5px}}
@media(max-width:380px){.four-port-heading{max-width:110px;line-height:1.25}.four-port-city small{display:none}.four-port-footer{font-size:8px}.four-port-map-scale{display:none}}
@media(max-width:540px){.four-port-detail{right:6px;bottom:6px;padding:3px;border-radius:3px}.four-port-detail-title{font-size:8px;padding-bottom:2px}}
@media(prefers-reduced-motion:reduce){.four-port-flow li.active{box-shadow:none}}