:root{
  color-scheme:dark;
  --ink:#ecf6ff;--muted:#9eb3c7;--dim:#71879a;--bg:#06111e;--panel:#0a1929;--panel-2:#0d2235;
  --line:#1f3b51;--line-2:#2d526b;--teal:#4fe0c2;--blue:#55aef7;--violet:#c28cff;--amber:#ffd36d;
  --orange:#ff9c67;--danger:#ff816d;--shadow:0 24px 80px rgba(1,8,15,.52);
  font-family:"Microsoft YaHei UI","Microsoft YaHei","Segoe UI",sans-serif;font-size:17px;
}
*{box-sizing:border-box}html,body{height:100%;max-width:100%;margin:0;background:var(--bg);color:var(--ink)}body{overflow:hidden}button,select,input{font:inherit;color:inherit}
button,input,select{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid rgba(79,224,194,.45);outline-offset:2px}
.loading{position:fixed;inset:0;z-index:1000;display:grid;place-content:center;justify-items:center;gap:14px;background:radial-gradient(circle at 50% 45%,#12314a 0,#081725 30%,#050d17 68%);transition:opacity .4s,visibility .4s}
.loading.done{opacity:0;visibility:hidden}.loading strong{font-size:1.45rem}.loading span{color:var(--muted)}.loading-mark{width:60px;height:60px;border:1px solid #315066;border-radius:50%;position:relative}.loading-mark i{position:absolute;width:11px;height:11px;border-radius:50%;background:var(--teal);box-shadow:0 0 18px var(--teal);animation:orbit 1.4s linear infinite;left:24px;top:-5px}@keyframes orbit{to{transform:rotate(360deg);transform-origin:6px 35px}}
.topbar{height:78px;display:flex;align-items:center;padding:0 24px;gap:26px;background:rgba(5,15,26,.97);border-bottom:1px solid #163044;position:relative;z-index:30}
.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;min-width:310px}.brand-mark{display:grid;place-items:center;width:45px;height:45px;border-radius:13px;background:linear-gradient(135deg,var(--teal),var(--blue));color:#04101a;font-weight:900;box-shadow:0 0 34px rgba(79,224,194,.28)}
.brand strong{font-size:1.06rem;display:block}.brand small{display:block;color:#8da4b8;font-size:.69rem;letter-spacing:.12em;margin-top:3px}
.headline-stats{display:flex;align-items:center;gap:0;height:100%;margin-right:auto}.headline-stats span{display:flex;align-items:baseline;gap:7px;padding:0 22px;border-left:1px solid #173247}.headline-stats strong{font-size:1.24rem}.headline-stats small{color:var(--muted);font-size:.76rem}
.top-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.global-search{display:flex;align-items:center;gap:9px;width:min(32vw,400px);height:44px;padding:0 12px;background:#0b1e30;border:1px solid #234158;border-radius:12px;color:#84a1b8}.global-search:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px rgba(79,224,194,.1)}.global-search input{border:0;outline:0;background:transparent;color:var(--ink);width:100%;min-width:100px;font-size:.9rem}.global-search kbd{font:600 .76rem "Segoe UI";border:1px solid #30495c;border-radius:5px;padding:2px 5px;color:#7890a3;white-space:nowrap}
.ghost-button,.layer-controls button,.quick-views button{border:1px solid #29465b;background:#0b1d2e;border-radius:10px;padding:10px 13px;cursor:pointer;font-weight:700;font-size:.8rem;transition:.18s}.ghost-button:hover,.layer-controls button:hover,.quick-views button:hover{border-color:#4b7089;background:#102a40}
.app-shell{height:calc(100% - 78px);display:grid;grid-template-columns:410px minmax(0,1fr)}
.sidebar{background:linear-gradient(180deg,#091827,#071421);border-right:1px solid #19354a;display:flex;flex-direction:column;min-height:0;position:relative;z-index:20;box-shadow:12px 0 42px rgba(2,9,16,.3)}
.sidebar-head{padding:22px 22px 18px}.eyebrow{color:var(--teal);font-size:.69rem;font-weight:900;letter-spacing:.15em}.sidebar-head h1{font-size:1.56rem;line-height:1.24;margin:9px 0 10px;letter-spacing:-.02em}.sidebar-head p{color:var(--muted);font-size:.86rem;line-height:1.65;margin:0}
.filter-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px;padding:0 20px 18px}.filter-grid label{display:grid;gap:6px;color:#93a9bc;font-size:.72rem;font-weight:700}.filter-grid select{width:100%;height:42px;color:#e8f4fc;background:#0d2235;border:1px solid #28475d;border-radius:9px;padding:0 10px;font-size:.82rem}
.sidebar-tabs{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #173247;border-bottom:1px solid #173247;padding:0 16px}.sidebar-tabs button{border:0;background:transparent;padding:13px 6px;color:#89a1b5;font-weight:800;font-size:.82rem;cursor:pointer;border-bottom:3px solid transparent}.sidebar-tabs button.active{color:#f1fbff;border-color:var(--teal)}.sidebar-tabs span{display:inline-grid;place-items:center;min-width:24px;height:22px;padding:0 5px;margin-left:4px;border-radius:999px;background:#17354b;font-size:.7rem}
.record-list,.source-list{min-height:0;overflow:auto;padding:8px 12px 28px;scrollbar-width:thin;scrollbar-color:#31536a transparent}
.empty-state{margin:18px 8px;padding:18px;border:1px dashed #31536a;border-radius:12px;color:#91a9bc;text-align:center;font-size:.8rem;line-height:1.55}
.record-card{display:grid;grid-template-columns:5px minmax(0,1fr) auto;gap:11px;align-items:start;width:100%;padding:13px 9px;border:1px solid transparent;border-bottom-color:#142c3e;background:transparent;text-align:left;cursor:pointer;border-radius:10px;transition:.16s}.record-card:hover{background:#0e2538;border-color:#214259}.record-card.active{background:linear-gradient(90deg,rgba(79,224,194,.1),rgba(15,38,56,.96));border-color:#2f5e70}.record-accent{width:5px;min-height:44px;border-radius:6px;background:var(--accent)}.record-main{min-width:0}.record-main strong{display:block;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.record-main span{display:block;color:#91a9bc;font-size:.78rem;margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.record-value{text-align:right;min-width:0}.record-value b{display:block;color:#f8d27c;font-size:.8rem;max-width:145px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.record-value em{display:inline-flex;margin-top:6px;padding:3px 7px;border:1px solid currentColor;border-radius:999px;font-style:normal;font-size:.74rem}.record-value em.grade-A{color:var(--teal)}.record-value em.grade-B{color:var(--amber)}.record-value em.grade-C{color:#ff9c7f}
.source-card{display:block;color:inherit;text-decoration:none;padding:14px 10px;border-bottom:1px solid #173044;border-radius:10px}.source-card:hover{background:#0e2538}.source-card-top{display:flex;justify-content:space-between;gap:10px;align-items:start}.source-card strong{font-size:.84rem;line-height:1.45}.source-card em{font-size:.64rem;font-style:normal;border:1px solid #36586f;border-radius:999px;padding:3px 7px;color:#9eb9cd;white-space:nowrap}.source-card p{margin:7px 0 0;color:#8ca4b7;line-height:1.48;font-size:.72rem}.source-card small{display:block;color:var(--teal);margin-top:8px;font-size:.68rem}
.map-stage{min-width:0;position:relative;overflow:hidden;background:#0a1b2b}.map-stage #map{position:absolute;inset:0}.map-vignette{position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 150px rgba(1,10,18,.4)}
.map-status{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);max-width:440px;padding:18px 22px;background:#0b1f31;border:1px solid #386079;border-radius:14px;box-shadow:var(--shadow);text-align:center;color:#d5e6f2;z-index:8}
.map-topline{position:absolute;left:18px;right:18px;top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;z-index:7;pointer-events:none}.edition-pill,.layer-controls,.quick-views,.legend-card,.insight-rail{background:rgba(5,17,29,.9);backdrop-filter:blur(16px);border:1px solid rgba(58,92,115,.72);box-shadow:0 14px 40px rgba(1,8,15,.25)}.edition-pill{display:flex;gap:8px;align-items:center;border-radius:10px;padding:9px 12px;font-size:.73rem;pointer-events:auto}.edition-pill i{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 12px var(--teal)}.edition-pill span{color:#89a1b5}.edition-pill strong{font-size:.76rem}.layer-controls{display:flex;gap:6px;padding:5px;border-radius:12px;pointer-events:auto}.layer-controls button{padding:8px 11px;background:transparent;border-color:transparent}.layer-controls button.active{background:#15364a;border-color:#35637a;color:#dffbff}
.quick-views{position:absolute;left:18px;top:72px;z-index:7;display:flex;gap:5px;align-items:center;border-radius:12px;padding:5px}.quick-views span{padding:0 9px;color:#8fa6b9;font-size:.7rem;font-weight:800}.quick-views button{padding:7px 10px;background:transparent;border-color:transparent}.quick-views button.active{background:#173a50;border-color:#3d6d82}
.legend-card{position:absolute;left:18px;bottom:132px;z-index:7;display:flex;gap:13px;flex-wrap:wrap;max-width:720px;border-radius:12px;padding:10px 13px;font-size:.69rem;color:#a9bfd0}.legend-card span{display:flex;align-items:center;gap:6px}.legend-card .dot{width:10px;height:10px;border-radius:50%;box-shadow:0 0 8px currentColor}.dot.chokepoint{color:var(--orange);background:var(--orange)}.dot.inland{color:var(--blue);background:var(--blue)}.dot.alternate{color:var(--violet);background:var(--violet)}.legend-card .line{width:20px;border-top:3px solid}.line.energy{color:var(--teal)}.line.container{color:var(--orange)}
.insight-rail{position:absolute;left:18px;right:18px;bottom:16px;z-index:7;display:grid;grid-template-columns:repeat(4,1fr);border-radius:14px;overflow:hidden}.insight-rail article{padding:13px 16px;border-right:1px solid #28465b;min-width:0}.insight-rail article:last-child{border:0}.insight-rail small,.insight-rail span{display:block;color:#90a8bb;font-size:.67rem}.insight-rail strong{display:block;font-size:1.12rem;margin:4px 0;color:#f4fbff}.insight-rail article:nth-child(2) strong{color:var(--teal)}.insight-rail article:nth-child(3) strong{color:var(--amber)}
.detail-drawer{position:absolute;right:16px;top:16px;bottom:16px;width:min(445px,calc(100% - 32px));min-width:0;z-index:15;background:rgba(5,17,29,.97);backdrop-filter:blur(20px);border:1px solid #355a70;border-radius:17px;box-shadow:var(--shadow);overflow-x:hidden;overflow-y:auto;transform:translateX(calc(100% + 36px));opacity:0;transition:transform .3s ease,opacity .3s}.detail-drawer.open{transform:translateX(0);opacity:1}.detail-close{position:sticky;float:right;top:12px;right:12px;z-index:5;width:42px;height:42px;border-radius:10px;border:1px solid #365a70;background:#0d273b;cursor:pointer;font-size:1.25rem}.detail-content{min-width:0;padding:22px;overflow-wrap:anywhere}.detail-kicker{color:var(--teal);font-size:.78rem;font-weight:900;letter-spacing:.1em}.detail-title{font-size:1.7rem;line-height:1.18;margin:8px 44px 3px 0}.detail-subtitle{color:#93aabd;font-size:.84rem}.detail-map-wrap{position:relative;margin:18px -2px 16px;border:1px solid #2a4b61;border-radius:13px;overflow:hidden;background:#0b2133}.detail-map{height:230px}.detail-map-caption{position:absolute;left:9px;right:9px;bottom:9px;z-index:3;padding:6px 9px;border-radius:8px;background:rgba(4,16,27,.86);color:#b7ccda;font-size:.76rem;border:1px solid #31546a}.detail-map .maplibregl-ctrl-attrib{display:none}
.detail-primary{padding:14px;border-left:4px solid var(--teal);background:linear-gradient(90deg,rgba(79,224,194,.1),rgba(11,30,45,.5));border-radius:5px 11px 11px 5px}.detail-primary small{color:#8ca7b9;font-size:.68rem}.detail-primary strong{display:block;font-size:1rem;line-height:1.5;margin-top:4px}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:12px 0}.metric-grid div{background:#0c2235;border:1px solid #23445a;border-radius:10px;padding:10px 11px}.metric-grid small{display:block;color:#829bae;font-size:.66rem}.metric-grid strong{display:block;font-size:.82rem;margin-top:5px;line-height:1.35}.grade-pill{display:inline-flex!important;align-items:center;justify-content:center;border:1px solid currentColor;border-radius:999px;padding:3px 8px;width:max-content}.grade-pill.grade-A{color:var(--teal)}.grade-pill.grade-B{color:var(--amber)}.grade-pill.grade-C{color:#ff9c7f}
.detail-section{margin-top:18px}.detail-section h3{font-size:.9rem;margin:0 0 10px}.detail-note{color:#a6bac9;font-size:.79rem;line-height:1.64;margin:0}.cargo-row{display:grid;grid-template-columns:minmax(0,1fr) 100px 36px;gap:8px;align-items:center;margin:8px 0;font-size:.72rem;color:#bed0dc}.cargo-track{height:7px;border-radius:99px;background:#183449;overflow:hidden}.cargo-track i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--teal),var(--blue))}.gateway-list,.nearby-list{display:flex;gap:7px;flex-wrap:wrap}.gateway-list span,.nearby-list button{border:1px solid #31546a;border-radius:999px;background:#0d2436;padding:6px 9px;font-size:.7rem;color:#bad0dc}.nearby-list button{cursor:pointer}.nearby-list button:hover{border-color:var(--teal)}
.detail-source{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px solid #1d3a4f;color:inherit;text-decoration:none}.detail-source span{min-width:0}.detail-source b{display:block;font-size:.76rem;line-height:1.42}.detail-source small{display:block;color:#829aad;font-size:.65rem;margin-top:4px}.detail-source em{font-style:normal;color:var(--teal);font-size:.76rem}.detail-badges{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0}.detail-badges span{border:1px solid #36566c;border-radius:999px;padding:4px 8px;font-size:.65rem;color:#abc0cf}.detail-badges .estimate{color:#ffc67d;border-color:#8b663f}
.method-dialog{width:min(1050px,calc(100% - 32px));max-height:calc(100% - 36px);overflow:auto;color:var(--ink);background:linear-gradient(135deg,#091c2d,#0a2432);border:1px solid #375d72;border-radius:20px;padding:30px;box-shadow:var(--shadow)}.method-dialog::backdrop{background:rgba(2,8,14,.76);backdrop-filter:blur(5px)}.dialog-close{position:absolute;right:18px;top:18px;width:40px;height:40px;border:1px solid #3b5d71;border-radius:10px;background:#10283a;cursor:pointer;font-size:1.2rem}.method-dialog h2{font-size:2rem;margin:12px 50px 24px 0}.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.method-grid section{border:1px solid #28485d;border-radius:14px;padding:18px;background:rgba(5,18,29,.45)}.method-grid section>strong{color:var(--amber);font-size:.72rem}.method-grid h3{margin:7px 0 9px;font-size:1rem}.method-grid p{color:#a9bfce;font-size:.82rem;line-height:1.7;margin:0}.metric-warning{margin-top:16px;padding:15px;border-left:4px solid var(--amber);background:rgba(255,211,109,.08);border-radius:6px 12px 12px 6px;color:#cddbe4;font-size:.8rem;line-height:1.6}
.maplibregl-popup-content{background:#081b2b!important;color:#eaf6ff!important;border:1px solid #34566b;border-radius:11px!important;box-shadow:0 18px 45px rgba(0,0,0,.4)!important;padding:11px 13px!important}.maplibregl-popup-tip{border-top-color:#081b2b!important}.map-popup b{display:block;font-size:.8rem}.map-popup span{display:block;color:#94adbf;font-size:.68rem;margin-top:4px;max-width:260px}.map-popup strong{display:block;color:var(--teal);font-size:.72rem;margin-top:6px}.maplibregl-ctrl-group{background:#071a2a!important;border:1px solid #31546a!important}.maplibregl-ctrl-group button+button{border-color:#31546a!important}.maplibregl-ctrl-icon{filter:invert(1)}.maplibregl-ctrl-attrib{background:rgba(5,17,29,.78)!important;color:#94aabc!important}.maplibregl-ctrl-attrib a{color:#b6cedd!important}
.brand small,.headline-stats small,.edition-pill,.edition-pill strong,.quick-views span,.legend-card,.insight-rail small,.insight-rail span{font-size:.76rem}.eyebrow,.filter-grid label,.record-main span,.source-card p,.detail-primary small,.metric-grid small,.cargo-row,.gateway-list span,.nearby-list button,.detail-source small,.detail-badges span,.map-popup span,.map-popup strong{font-size:.78rem}.source-card em,.source-card small{font-size:.74rem}.detail-source{min-width:0}.detail-source b,.detail-source small{overflow-wrap:anywhere}
@media(max-width:1280px){.headline-stats span{padding:0 12px}.brand{min-width:270px}.app-shell{grid-template-columns:360px minmax(0,1fr)}.sidebar-head h1{font-size:1.35rem}.global-search{width:280px}.insight-rail article{padding:10px 12px}.legend-card{bottom:120px}}
@media(max-width:1020px){body{overflow-y:auto;overflow-x:hidden}.topbar{height:auto;min-height:76px;flex-wrap:wrap;padding:12px 16px}.brand{min-width:250px}.headline-stats{display:none}.top-actions{margin-left:auto}.global-search{width:min(45vw,360px)}.ghost-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px}.app-shell{height:auto;min-height:calc(100dvh - 76px);grid-template-columns:1fr;grid-template-rows:60dvh auto}.map-stage{grid-row:1}.sidebar{grid-row:2;min-height:640px;border-right:0;border-top:1px solid #214058}.sidebar-head{padding-top:25px}.record-list,.source-list{max-height:600px}.insight-rail{grid-template-columns:1fr 1fr}.insight-rail article:nth-child(2){border-right:0}.insight-rail article:nth-child(-n+2){border-bottom:1px solid #28465b}.legend-card{bottom:172px}.detail-drawer{position:fixed;top:88px;bottom:14px;right:10px;z-index:60}.method-dialog{margin-top:18px}}
@media(max-width:680px){:root{font-size:16px}.topbar{display:grid;grid-template-columns:1fr}.brand{min-width:0}.top-actions{display:grid;grid-template-columns:1fr 1fr;width:100%;margin:0}.global-search{grid-column:1/-1;width:100%}.ghost-button{width:100%;font-size:.82rem}.app-shell{grid-template-rows:58dvh auto}.map-topline{left:10px;right:10px;top:10px}.layer-controls button{font-size:.76rem;padding:7px 8px}.edition-pill span{display:none}.quick-views{left:10px;right:10px;top:66px;overflow:auto}.quick-views span{display:none}.quick-views button{white-space:nowrap}.legend-card{left:10px;right:10px;bottom:188px;gap:8px;font-size:.76rem}.insight-rail{left:10px;right:10px;bottom:10px}.insight-rail article{padding:9px 10px}.insight-rail small,.insight-rail span{font-size:.72rem}.insight-rail strong{font-size:.92rem}.filter-grid{grid-template-columns:1fr}.sidebar-head h1{font-size:1.45rem}.detail-drawer{inset:8px;width:auto;border-radius:14px}.detail-content{padding:18px}.detail-title{font-size:1.45rem}.method-grid{grid-template-columns:1fr}.method-dialog{padding:22px 18px}.method-dialog h2{font-size:1.55rem}.cargo-row{grid-template-columns:minmax(0,1fr) 72px 30px}}
@media(max-width:680px){
  .sidebar-head p,.method-grid p,.metric-warning,.detail-note,.source-card p{font-size:1rem;line-height:1.7}
  .global-search input,.filter-grid select{font-size:1rem}
  .brand small,.eyebrow,.filter-grid label,.sidebar-tabs span,.record-main span,.record-value b,.record-value em,.source-card em,.source-card small,.edition-pill,.edition-pill strong,.layer-controls button,.quick-views button,.legend-card,.insight-rail small,.insight-rail span,.detail-kicker,.detail-map-caption,.detail-primary small,.metric-grid small,.cargo-row,.gateway-list span,.nearby-list button,.detail-source small,.detail-badges span,.map-popup span,.map-popup strong{font-size:.875rem}
  .ghost-button,.sidebar-tabs button{font-size:.95rem}
  .record-main strong,.source-card strong,.detail-source b,.metric-grid strong{font-size:1rem}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}