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var(--accent-line)}.port-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}.port-cell{height:45px;position:relative;border:1px solid #dfe7f1;border-radius:7px;background:#fff;color:#718399;font:12px "Bahnschrift",var(--font)}.port-cell.selected{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.port-cell.range-start{outline:2px solid #15a88a;outline-offset:2px}.port-cell>.order{position:absolute;right:-3px;top:-5px;border:2px solid #fff;border-radius:50%;background:var(--accent);color:#fff;min-width:16px;height:16px;display:grid;place-items:center;font:8px "Bahnschrift",var(--font)}.selection-strip{margin-top:16px;padding-top:15px;border-top:1px solid var(--line)}.selection-strip>div:first-child{display:flex;justify-content:space-between;font-size:11px;color:#8594a8}.selection-strip .text-button{padding:0;min-height:0;font-size:10px}.selected-chips{display:flex;gap:5px;flex-wrap:wrap;max-height:80px;overflow:auto;margin-top:10px}.selected-chips 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.network-art{position:absolute;right:-11px;bottom:0;width:105px;height:87px;color:var(--accent);opacity:.17;stroke-width:.7}.route-bottom{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:#8b99ac;border-top:1px solid var(--line);margin-top:14px;padding-top:13px}.route-bottom>span:last-child{color:var(--accent);display:flex;align-items:center;gap:5px}.route-bottom .icon{width:13px;height:13px}.route-mini-path{display:flex;align-items:center;margin-top:18px}.route-mini-path i{width:7px;height:7px;border:1.5px solid var(--accent);border-radius:50%;position:relative;background:#fff;z-index:1;flex-shrink:0}.route-mini-path i.mid{border-color:#1b9c86}.route-mini-path>span{height:1px;background:#cddcf2;flex:1;position:relative}.route-mini-path>span:after{content:"";position:absolute;left:50%;top:-2px;border-top:1px solid #acc2e0;border-right:1px solid #acc2e0;width:4px;height:4px;transform:rotate(45deg)}.route-stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:19px;border-top:1px solid var(--line);padding-top:15px;gap:15px}.route-stats strong{font:500 24px "Bahnschrift",var(--font)}.route-stats small{font-size:10px;display:block;color:var(--muted);margin-top:3px}.timeline{padding-left:14px;margin-top:15px}.timeline-stop{padding:0 0 19px 25px;border-left:1.5px solid var(--accent-line);position:relative}.timeline-stop:before{content:"";position:absolute;top:18px;left:-5px;width:7px;height:7px;border:1.5px solid var(--accent);border-radius:50%;background:#fff;box-sizing:content-box}.timeline-stop:last-child{border-left-color:transparent;padding-bottom:0}.timeline-stop:first-child:before,.timeline-stop:last-child:before{background:var(--accent)}.stop-card{background:#fff;border:1px solid #e9eef5;padding:14px;border-radius:11px}.stop-heading{display:flex;justify-content:space-between;gap:8px;align-items:center}.stop-heading>span{font-size:9px;color:#8496ae}.stop-heading .chip{font-size:8px}.stop-card h3{font-size:13px;margin:7px 0;line-height:1.6;font-weight:600}.stop-card p{font-size:10px;color:#8b9aae;line-height:1.8}.stop-port{display:flex;justify-content:space-between;align-items:center;padding-top:11px;margin-top:10px;border-top:1px solid var(--line)}.stop-port>strong{font-size:11px;color:var(--accent);font-weight:550}.stop-port .icon{width:14px;height:14px;color:#90a1b9}.jumper-stop:before{border-color:var(--green);border-radius:2px}.jumper-stop .stop-card{background:#f1f8f6;border-color:#e0eee9}.jumper-stop .stop-heading>span{color:var(--green)}.jumper-stop .stop-card p{color:#6b978a}.stop-footer{display:flex;justify-content:flex-end;gap:15px;padding-top:10px}.stop-footer button{font-size:10px;color:var(--red)}.empty{padding:40px 12px;text-align:center}.empty>.icon{width:42px;height:42px;color:#b0c1d8;stroke-width:1}.empty h3{font-size:14px;font-weight:550;margin:15px 0 9px}.empty p{font-size:11px;color:#99a6b7;line-height:1.9}.empty .btn{margin:20px auto 0;max-width:170px}.modal-overlay{position:absolute;inset:0;z-index:25;background:#162e5059;display:flex;align-items:flex-end;backdrop-filter:blur(2px);animation:fade-in .17s ease-out}.modal-overlay.centered{align-items:center;justify-content:center;padding:22px}.sheet{width:100%;max-height:91%;background:#fff;border-radius:23px 23px 0 0;display:flex;flex-direction:column;box-shadow:0 -12px 42px #0c20452a;animation:sheet-in .22s ease-out}.sheet.center{border-radius:19px;max-height:89%;box-shadow:0 14px 55px #0c20452a}.sheet-handle{height:4px;width:31px;border-radius:4px;background:#dce3ed;margin:9px auto 0;flex-shrink:0}.sheet-header{display:flex;align-items:center;justify-content:space-between;padding:14px 19px 8px;flex-shrink:0}.sheet-header h2{font-size:17px;font-weight:650}.sheet-header .icon-button{min-width:30px;height:30px;color:#8595a9}.sheet-header .icon{width:18px;height:18px}.sheet-body{padding:8px 20px 18px;overflow:auto;overscroll-behavior:contain}.sheet-footer{display:flex;gap:10px;border-top:1px solid var(--line);padding:14px 20px max(21px,env(safe-area-inset-bottom));flex-shrink:0}.sheet-footer>.btn{flex:1}.sheet-description{font-size:12px;color:#8b98aa;line-height:1.9;margin-bottom:18px}.option-list{display:flex;flex-direction:column;gap:10px}.option{border:1px solid var(--line);border-radius:10px;padding:14px;display:flex;align-items:center;gap:11px;cursor:pointer;width:100%;text-align:left;min-width:0}.option.checked{border-color:var(--accent);background:var(--accent-soft)}.option .radio{border:1px solid #d4dfed;width:16px;height:16px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;color:#fff}.option.checked .radio{border-color:var(--accent);background:var(--accent)}.option.checked .radio:after{content:"";width:5px;height:5px;border-radius:50%;background:#fff}.option strong{font-size:12px;display:block;font-weight:550;line-height:1.7;overflow-wrap:anywhere}.option small{font-size:10px;display:block;color:#8494ab;margin-top:4px;line-height:1.8}.option .chip{margin-left:auto}.sheet-subhead{font-size:12px;margin:17px 0 12px;font-weight:650}.filter-options{display:flex;flex-wrap:wrap;gap:8px}.filter-options button{border:1px solid var(--line);border-radius:7px;padding:10px 16px;font-size:11px;color:var(--muted)}.filter-options button.active{background:var(--accent-soft);color:var(--accent);border-color:var(--accent-line)}.warning-symbol{color:var(--red);width:46px;height:46px;border-radius:14px;background:var(--red-soft);display:grid;place-items:center;margin-bottom:17px}.warning-symbol .icon{width:25px;height:25px}.impact-box{background:#f9fafc;border:1px solid var(--line);border-radius:9px;padding:14px;margin:15px 0 8px}.impact-line{font-size:11px;color:#7e8da3;display:flex;justify-content:space-between;padding:5px 0;gap:12px}.impact-line b{color:#52667f;font-weight:550;text-align:right}.impact-line b.red{color:var(--red)}.menu-item{width:100%;display:flex;align-items:center;gap:13px;padding:16px 1px;border-bottom:1px solid var(--line);font-size:13px;text-align:left}.menu-item:last-child{border:0}.menu-item>.icon{width:18px;height:18px}.menu-item small{display:block;font-size:10px;color:#a1adbb;margin-top:5px}.success-state{text-align:center;padding:20px 0}.success-icon{width:70px;height:70px;margin:0 auto 24px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;border-radius:50%}.success-icon .icon{width:32px;height:32px}.success-state h3{font-size:21px;font-weight:600}.success-state p{font-size:12px;line-height:2;color:#8d9aab;margin:13px auto 22px;max-width:265px}.success-state .impact-box{text-align:left}.success-state .btn{width:100%;margin-top:12px}.route-path-mini{background:#f7f9fc;border-radius:9px;padding:13px;font-size:11px;line-height:2;color:#7c8fa8}.route-path-mini span{display:block}.route-path-mini i{font-style:normal;color:var(--accent);margin-right:7px}.detail-data{display:grid;grid-template-columns:85px 1fr;gap:13px;font-size:11px;line-height:1.7}.detail-data dt{color:#8b99ac}.detail-data dd{margin:0;color:#344f70}.detail-data dd .chip{display:inline-block}.jump-pair{display:grid;grid-template-columns:1fr 20px 1fr;gap:7px;background:#f7fafc;padding:13px;border-radius:8px;align-items:center;margin:14px 0}.jump-pair strong{font-size:11px;display:block;line-height:1.7}.jump-pair small{color:#8b9aac;font-size:10px;display:block;margin-top:5px}.jump-pair .icon{color:var(--green);width:18px}.mobile-style-toggle{font-size:10px;color:var(--accent);min-width:36px;min-height:36px}.mobile-preview-menu{display:none}#toast{position:absolute;bottom:99px;left:50%;transform:translate(-50%,10px);opacity:0;pointer-events:none;z-index:50;max-width:90%;min-width:130px;text-align:center;background:#203651ed;color:#fff;border-radius:9px;padding:12px 16px;box-shadow:0 4px 18px #0c204524;font-size:12px;line-height:1.7;transition:opacity .2s,transform .2s}#toast.visible{opacity:1;transform:translate(-50%,0)}[data-theme=red]{--accent:#d9364d;--accent-deep:#c32d42;--accent-soft:#fff0f1;--accent-line:#fad7dd}.phone.modal-open #app-main{overflow:hidden}.phone.modal-open #app-header,.phone.modal-open #app-main,.phone.modal-open #app-footer{pointer-events:none}@keyframes page-in{from{opacity:.55;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes sheet-in{from{opacity:.7;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{from{opacity:0}to{opacity:1}}@media(max-width:1180px){.studio{grid-template-columns:220px 440px;gap:36px;padding:30px}.design-notes{display:none}.studio-sidebar h1{font-size:36px}#preview-nav{width:215px}.phone{height:calc(100vh - 98px);min-height:620px}.edition{margin-top:42px}.studio-sidebar{padding-top:20px}}@media(max-width:760px){.studio{display:block;padding:0;background:var(--page);min-height:100dvh}.studio-sidebar,.design-notes,.stage-label,.stage-caption{display:none}.preview-stage{width:100%}.phone{width:100%;max-width:480px;height:100dvh;min-height:0;border:0;border-radius:0;box-shadow:none}.statusbar{display:none}.app-top{padding-top:env(safe-area-inset-top);height:calc(65px + env(safe-area-inset-top))}.page-toolbar{padding-top:env(safe-area-inset-top);height:calc(57px + env(safe-area-inset-top))}.mobile-preview-menu{display:grid}.page-content{padding-bottom:24px}body{background:var(--page)}}@media(max-width:360px){.page-content{padding-left:13px;padding-right:13px}.surface{padding:14px}.card-top h3{font-size:13px}.status-tab{padding:8px 10px}.port-grid{gap:6px}.fiber-grid{gap:5px}.card-id{font-size:9px}.bottom-bar{padding-left:13px;padding-right:13px}.field-grid{gap:9px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* 移动端可读性及操作区约束：固定底栏平均分配，文字允许收缩。 */
.bottom-bar .btn,.sheet-footer .btn{min-width:0;flex-basis:0;white-space:normal;line-height:1.5}
.card-top h3{font-size:15px}.endpoint-line strong{font-size:13px}.card-id{font-size:11px}.chip{font-size:10px}
.status-tab{font-size:12px}.field-hint,.stop-card p,.endpoint-line small{font-size:11px;line-height:1.8}
.field input,.field select,.field textarea,.search-box input{font-size:13px}.fiber-actions button{font-size:11px;min-height:32px}
.stop-heading>span{font-size:10px}.stop-heading .chip{font-size:9px}.stop-card h3{font-size:14px}.stop-footer button{font-size:11px;min-height:28px}
.route-bottom{font-size:11px}.option strong{font-size:13px}.option small{font-size:11px}.sheet-description{color:#708198}
@media(max-width:360px){.card-top h3{font-size:14px}.endpoint-line strong{font-size:12px}.btn{padding-left:10px;padding-right:10px;font-size:12px}.status-tab{padding:8px 9px}}