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rgba(127,216,255,.4)}.panel-title{font-size:19px;font-weight:700;color:#fff;letter-spacing:.08em;flex:1}.panel-close{font-size:18px}.panel-body{padding:18px 22px 22px;overflow-y:auto;font-size:14px;line-height:1.75;color:var(--text)}.panel-body h3{font-size:15px;color:var(--ice);margin:16px 0 8px;letter-spacing:.08em;border-left:3px solid var(--ice);padding-left:10px}.panel-body h3:first-child{margin-top:0}.panel-body p{margin-bottom:10px;color:var(--text)}.panel-body strong{color:var(--ice-2);font-weight:700}.panel-body ul{margin:6px 0 12px 18px}.panel-body li{margin-bottom:6px}.panel-body .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:10px 0}.panel-body .card-mini{background:#7fd8ff0f;border:1px solid var(--line);border-radius:8px;padding:12px}.panel-body .card-mini b{color:var(--ice);font-size:11px;letter-spacing:.1em;display:block;margin-bottom:4px}.panel-body .stat-row{display:flex;gap:22px;flex-wrap:wrap;margin:10px 0}.panel-body .stat{text-align:left}.panel-body .stat .num{font-family:Orbitron,sans-serif;font-size:26px;font-weight:700;color:#fff}.panel-body .stat .lbl{font-size:11px;color:var(--text-dim);letter-spacing:.1em}.hidden{display:none!important}*{scrollbar-width:thin;scrollbar-color:rgba(127,216,255,.35) transparent}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#080e1c73;border-radius:3px}::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#7fd8ff8c,#4aa3ff8c);border-radius:3px;box-shadow:inset 0 0 3px #7fd8ff4d}::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#7fd8ffe6,#4aa3ffe6);box-shadow:0 0 8px #7fd8ff80}::-webkit-scrollbar-corner{background:transparent}.panel-body{scrollbar-gutter:stable}@media (max-width: 900px){#panel{width:calc(100vw - 32px)}.panel-body .grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}}@media (max-width: 760px) and (orientation: portrait){body{position:fixed;top:0;left:0;width:100vh;height:100vw;transform-origin:0 0;transform:translate(100vw) rotate(90deg);overflow:hidden}}@media (max-width: 760px),(max-height: 500px) and (orientation: landscape){#topbar{padding:6px 14px}.brand-mark{width:22px;height:22px}.brand-name{font-size:13px;letter-spacing:.1em}.brand-en{font-size:7px;letter-spacing:.12em;max-width:62vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-meta{font-size:9px;gap:10px}.topbar-meta .meta-item{font-size:9px}.meta-dot{width:5px;height:5px}#bottombar{gap:4px;padding:6px 8px 4px}:root{--footer-h: 44px}#site-footer{font-size:9px;padding:4px 8px calc(4px + env(safe-area-inset-bottom))}#site-footer .ft-sep{display:none}#site-footer .footer-inner{flex-direction:column;gap:1px}.nav-btn{min-width:50px;padding:5px 9px;gap:1px}.nav-idx{font-size:8px}.nav-label{font-size:10px;letter-spacing:.02em}.nav-btn:after{bottom:2px;width:18px;height:1.5px}#sat-card{top:48px;left:auto;right:8px;width:240px;max-width:calc(100% - 16px)}#time-control{top:44px;padding:3px 4px;gap:3px}.tc-btn{min-width:30px;padding:4px 6px;font-size:10px}.tc-speed{min-width:46px}#left-column #right-hud{display:none}#left-column,#right-column{max-height:40vh}#filter-panel,#label-panel{width:calc(100vw - 32px);max-width:280px}.card-head{padding:8px 10px;gap:6px}.card-badge{font-size:9px;padding:2px 6px}.card-title{font-size:13px}.card-body{padding:8px 10px;font-size:11px;line-height:1.4}.card-body .k{font-size:10px;min-width:50px}.card-foot{padding:8px 10px;gap:4px 10px}.card-kv{font-size:10px}.card-kv b{font-size:9px}#panel{bottom:calc(58px + env(safe-area-inset-bottom));left:50%;right:auto;transform:translate(-50%);width:calc(100vw - 2px);max-height:calc(100% - 130px)}.panel-head{padding:8px 14px}.panel-chapter{font-size:18px}.panel-title{font-size:14px}.panel-body{padding:10px 14px 14px;font-size:12px;line-height:1.55}.panel-body h3{font-size:13px;margin:10px 0 6px;padding-left:8px}.panel-body p{margin-bottom:6px}.panel-body .grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px}.panel-body .card-mini{padding:8px}.panel-body .stat .num{font-size:20px}.panel-body .stat .lbl{font-size:10px}}@media (max-width: 480px),(max-height: 380px) and (orientation: landscape){.topbar-meta{display:none}.brand-name{font-size:12px}.nav-label{font-size:9px}.nav-idx{font-size:7px}.nav-btn{min-width:44px;padding:4px 7px}#panel{bottom:calc(52px + env(safe-area-inset-bottom))}.panel-body{font-size:11.5px;padding:8px 12px 12px}.panel-chapter{font-size:16px}.panel-title{font-size:13px}#sat-card{width:200px}.card-body{font-size:10.5px}}@media (min-resolution: 2dppx){.nav-btn{border-width:1px}.card-close,.panel-close{padding:4px 8px}}@media (prefers-reduced-motion: reduce){.nav-btn,.nav-btn:before,.nav-btn:after{animation:none!important}.brand-mark:after{animation:none}}#tools-panel{min-width:180px}.tools-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px;margin-top:2px}.tool-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:7px 4px;background:#7fd8ff0f;border:1px solid var(--line);border-radius:6px;color:var(--ice);font-family:Orbitron,Noto Sans SC,sans-serif;font-size:10px;letter-spacing:.05em;cursor:pointer;transition:all .2s ease}.tool-btn:hover{background:#7fd8ff2e;border-color:var(--ice);box-shadow:0 0 10px #7fd8ff59;transform:translateY(-1px)}.tool-btn:active{transform:scale(.95)}.tool-btn.active{background:#7fd8ff47;border-color:var(--ice);box-shadow:0 0 14px #7fd8ff8c,inset 0 0 8px #7fd8ff2e}.tool-btn.tool-edu{grid-column:span 3;background:#b984ff1a;border-color:#b984ff59;color:var(--heo)}.tool-btn.tool-edu:hover{background:#b984ff38;border-color:var(--heo);box-shadow:0 0 12px #b984ff80}.tool-ico{font-size:14px;line-height:1}.tool-lbl{font-size:10px;letter-spacing:.08em}#term-card{position:fixed;top:50%;right:24px;transform:translateY(-50%);z-index:50;width:340px;max-width:calc(100vw - 48px);background:var(--panel);border:1px solid var(--ice);border-radius:12px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 16px 40px #0009,0 0 18px #7fd8ff4d;overflow:hidden;animation:term-in .25s ease}@keyframes term-in{0%{opacity:0;transform:translateY(-50%) translate(20px)}to{opacity:1;transform:translateY(-50%) translate(0)}}.term-head{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line);background:linear-gradient(90deg,rgba(127,216,255,.12),transparent)}.term-badge{font-family:Orbitron,sans-serif;font-size:9px;font-weight:700;letter-spacing:.15em;padding:3px 8px;border-radius:4px;background:var(--ice);color:#021}.term-title{font-size:16px;font-weight:700;color:#fff;flex:1;letter-spacing:.04em}.term-close{background:none;border:none;color:var(--text-dim);font-size:16px;cursor:pointer;padding:2px 6px;border-radius:4px}.term-close:hover{color:#fff;background:#7fd8ff1f}.term-body{padding:14px 16px;font-size:13px;line-height:1.7;color:var(--text)}.term-body .term-zh{color:var(--ice-2);font-weight:600}.term-body .term-en{color:var(--text-dim);font-size:11px;font-family:Orbitron,sans-serif;letter-spacing:.06em;margin-bottom:8px}.term-body p{margin-bottom:8px}.term-body .term-kw{color:var(--ice);font-weight:600}.term-foot{padding:10px 14px;border-top:1px solid var(--line);display:flex;justify-content:flex-end}.term-action{background:#b984ff29;border:1px solid rgba(185,132,255,.4);color:var(--heo);font-family:Orbitron,Noto Sans SC,sans-serif;font-size:10px;letter-spacing:.1em;padding:6px 12px;border-radius:6px;cursor:pointer;transition:all .2s ease}.term-action:hover{background:#b984ff4d;box-shadow:0 0 10px #b984ff66}#orbit-demo{position:fixed;bottom:100px;right:24px;z-index:50;width:420px;max-width:calc(100vw - 48px);height:320px;background:var(--panel);border:1px solid var(--heo);border-radius:14px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 18px 50px #000000b3,0 0 22px #b984ff52;overflow:hidden;display:flex;flex-direction:column;animation:demo-in .3s ease}@keyframes demo-in{0%{opacity:0;transform:translateY(20px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.demo-head{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line);background:linear-gradient(90deg,rgba(185,132,255,.1),transparent)}.demo-title{font-family:Orbitron,sans-serif;font-size:11px;font-weight:700;color:var(--heo);letter-spacing:.18em}.demo-tabs{display:flex;gap:2px;flex:1}.demo-tab{background:transparent;border:1px solid var(--line);color:var(--text-dim);font-family:Noto Sans SC,sans-serif;font-size:10px;letter-spacing:.04em;padding:4px 8px;border-radius:4px;cursor:pointer;transition:all .2s ease}.demo-tab:hover{color:var(--ice);border-color:var(--ice)}.demo-tab.active{color:#021;background:var(--heo);border-color:transparent;font-weight:600}.demo-close{background:none;border:none;color:var(--text-dim);font-size:16px;cursor:pointer;padding:2px 6px;border-radius:4px}.demo-close:hover{color:#fff;background:#b984ff26}.demo-canvas-wrap{flex:1;position:relative;overflow:hidden}#demo-canvas{display:block;width:100%;height:100%}.demo-caption{position:absolute;left:12px;right:12px;bottom:10px;padding:8px 10px;background:#02030ab8;border:1px solid var(--line);border-radius:6px;font-size:11px;line-height:1.55;color:var(--text);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);pointer-events:none}.demo-caption b{color:var(--ice)}body.immersive #topbar,body.immersive #time-control,body.immersive #left-column,body.immersive #right-column,body.immersive #sat-card,body.immersive #sat-tooltip,body.immersive #bottombar,body.immersive #site-footer,body.immersive #panel,body.immersive #term-card,body.immersive #orbit-demo{display:none!important}.immersive-hint{position:fixed;top:16px;left:50%;transform:translate(-50%);z-index:100;padding:8px 16px;background:#02030ab3;border:1px solid var(--ice);border-radius:20px;color:var(--ice-2);font-size:11px;letter-spacing:.12em;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);animation:hint-fade 2.6s ease forwards;pointer-events:none}@keyframes hint-fade{0%{opacity:0;transform:translate(-50%) translateY(-10px)}15%{opacity:1;transform:translate(-50%) translateY(0)}85%{opacity:1}to{opacity:0;transform:translate(-50%) translateY(-10px)}}body.density-simple #right-hud,body.density-simple #label-panel,body.density-simple #sat-tooltip,body.density-simple #tools-panel .tool-edu,body.density-simple .panel-body .card-mini:not(:first-child){display:none!important}body.density-simple .panel-body .grid{grid-template-columns:1fr}body.density-simple .panel-body .stat-row{gap:14px}.term{color:var(--ice);border-bottom:1px dashed var(--ice);cursor:pointer;font-weight:600;padding:0 2px;transition:all .2s ease}.term:hover{color:#fff;background:#7fd8ff2e;border-bottom-color:transparent;box-shadow:0 0 8px #7fd8ff66;border-radius:2px}.shot-flash{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#fff;pointer-events:none;animation:shot-flash .4s ease-out forwards}@keyframes shot-flash{0%{opacity:.85}to{opacity:0}}@media (max-width: 760px),(max-height: 500px) and (orientation: landscape){#tools-panel{min-width:160px}.tools-grid{grid-template-columns:1fr 1fr}.tool-btn.tool-edu{grid-column:span 2}#term-card{width:calc(100vw - 32px);right:16px;top:auto;bottom:100px;transform:none}@keyframes term-in{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}#orbit-demo{width:calc(100vw - 32px);right:16px;height:240px}.demo-tab{font-size:9px;padding:3px 6px}}