:root{--ink:#182230;--muted:#6b7789;--soft:#f7f9fc;--line:#e3e8f0;--blue:#3b68e8;--blue-soft:#edf2ff;--green:#168a50;--green-soft:#eaf8f0;--red:#d7443e;--red-soft:#fff0ef;--amber:#bd760d;--amber-soft:#fff6e6;--violet:#7557c9;--shadow:0 16px 42px rgba(28,49,84,.07)}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--soft);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased}button{font:inherit;cursor:pointer}.shell{min-height:100vh}.topbar{height:72px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.86);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1380px)/2));position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:11px}.brand-mark{height:36px;width:36px;border-radius:11px;background:#213052;display:flex;align-items:center;justify-content:center;gap:3px;box-shadow:0 7px 15px rgba(33,48,82,.18)}.brand-mark span{height:12px;width:3px;border-radius:4px;background:#80a3ff}.brand-mark span:first-child{height:18px;background:#fff}.brand-mark span:last-child{height:8px;background:#f5b84b}.brand strong{display:block;font-size:14px;letter-spacing:.01em}.brand small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.top-actions{display:flex;align-items:center;gap:10px}.muted{font-size:11px;color:#8994a5}.button{height:36px;padding:0 13px;border:1px solid transparent;border-radius:7px;display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;transition:.18s ease}.button:hover{transform:translateY(-1px)}.button-light{color:#46536a;background:#fff;border-color:var(--line)}.button-primary{color:#fff;background:var(--blue);box-shadow:0 6px 16px rgba(59,104,232,.21)}.button-primary:hover{background:#2f58d0}.main{max-width:1380px;margin:0 auto;padding:40px 24px 64px}.hero{min-height:280px;border:1px solid #dfe7f6;border-radius:16px;background:linear-gradient(112deg,#fff 0%,#f7f9ff 70%,#f1f5ff 100%);display:flex;align-items:center;justify-content:space-between;overflow:hidden;padding:42px 70px;position:relative;box-shadow:var(--shadow)}.hero:after{content:"";position:absolute;right:0;top:0;width:48%;height:100%;background:linear-gradient(90deg,transparent,rgba(225,234,255,.38));pointer-events:none}.eyebrow{color:var(--blue);font-size:10px;font-weight:800;letter-spacing:.14em;margin:0 0 10px}.hero h1{font-size:36px;line-height:1.2;letter-spacing:0;margin:0;font-weight:800}.hero h1 em{font-style:normal;color:var(--blue)}.hero-copy{color:var(--muted);max-width:470px;line-height:1.7;font-size:13px;margin:15px 0 0}.hero-visual{height:230px;width:370px;position:relative;margin-right:45px}.orbit{position:absolute;border:1px solid rgba(59,104,232,.18);border-radius:50%;left:78px;top:20px;animation:spin 24s linear infinite}.orbit-one{height:190px;width:190px}.orbit-two{height:245px;width:245px;left:50px;top:-8px;border-color:rgba(117,87,201,.13);animation-direction:reverse;animation-duration:34s}.core{position:absolute;top:77px;left:135px;width:78px;height:78px;border-radius:24px;background:#23345a;color:#fff;display:grid;place-content:center;text-align:center;box-shadow:0 12px 25px rgba(35,52,90,.23);z-index:2}.core b{font-size:12px;letter-spacing:.07em}.core small{font-size:7px;opacity:.66;margin-top:4px}.core-pulse{position:absolute;inset:-7px;border:1px solid rgba(59,104,232,.25);border-radius:28px;animation:pulse 2.2s ease-in-out infinite}.node{position:absolute;z-index:3;padding:7px 10px;border:1px solid var(--line);border-radius:7px;background:#fff;box-shadow:0 6px 16px rgba(35,52,90,.08);font-size:10px;color:#475467}.node span{display:inline-block;width:6px;height:6px;border-radius:50%;background:#58ba82;margin-right:6px}.node-a{top:14px;right:2px}.node-b{bottom:20px;right:18px}.node-c{bottom:29px;left:0}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-top:16px}.stat-card,.panel{background:#fff;border:1px solid var(--line);border-radius:11px;box-shadow:var(--shadow)}.stat-card{min-height:108px;padding:18px;display:grid;grid-template-columns:40px 1fr;column-gap:12px;align-items:center;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent)}.stat-card span{font-size:11px;color:var(--muted);display:block;margin-bottom:6px}.stat-card strong{font-size:24px;line-height:1;font-variant-numeric:tabular-nums}.stat-note{grid-column:2;font-size:10px;color:#9aa5b5;margin-top:-4px}.stat-icon{height:40px;width:40px;border-radius:10px;display:grid;place-items:center}.stat-icon.blue{color:var(--blue);background:var(--blue-soft);--accent:var(--blue)}.stat-icon.green{color:var(--green);background:var(--green-soft);--accent:var(--green)}.stat-icon.violet{color:var(--violet);background:#f2efff;--accent:var(--violet)}.stat-icon.amber{color:var(--amber);background:var(--amber-soft);--accent:var(--amber)}.stat-card:nth-child(1){--accent:var(--blue)}.stat-card:nth-child(2){--accent:var(--green)}.stat-card:nth-child(3){--accent:var(--violet)}.stat-card:nth-child(4){--accent:var(--amber)}.content-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(330px,.8fr);gap:16px;margin-top:16px}.panel-head{min-height:75px;padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-head.compact{min-height:64px;padding:15px 18px}.panel h2{margin:0;font-size:17px;letter-spacing:0}.legend{display:flex;gap:12px;color:var(--muted);font-size:10px}.legend span{display:inline-flex;align-items:center;gap:5px}.dot{display:inline-block;width:7px;height:7px;border-radius:50%}.dot.green{background:var(--green)}.dot.gray{background:#b9c1cd}.dot.red{background:var(--red)}.upstream-list{padding:8px 20px 18px}.upstream{min-height:86px;padding:14px 0;border-bottom:1px solid #edf0f4;display:grid;grid-template-columns:minmax(150px,1.4fr) 110px 110px 100px auto;gap:12px;align-items:center}.upstream:last-child{border-bottom:0}.upstream-name{display:flex;align-items:center;gap:9px;min-width:0}.node-status{width:9px;height:9px;border-radius:50%;background:#b9c1cd;flex:none}.node-status.healthy{background:var(--green);box-shadow:0 0 0 4px rgba(22,138,80,.1)}.node-status.unhealthy{background:var(--red);box-shadow:0 0 0 4px rgba(215,68,62,.09)}.upstream-name strong{font-size:13px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.upstream-name small{font-size:10px;color:var(--muted);display:block;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.metric span{display:block;color:#9aa5b5;font-size:10px;margin-bottom:4px}.metric strong{font-size:12px;font-variant-numeric:tabular-nums}.tag{font-size:10px;color:#4f63a2;background:#eff3ff;padding:5px 7px;border-radius:5px;white-space:nowrap}.availability{font-size:10px;font-weight:700;padding:6px 8px;border-radius:5px;white-space:nowrap}.availability.ok{color:var(--green);background:var(--green-soft)}.availability.bad{color:var(--red);background:var(--red-soft)}.side-column{display:grid;align-content:start;gap:16px}.live-badge{font-size:9px;color:var(--green);background:var(--green-soft);padding:5px 7px;border-radius:5px;font-weight:800}.live-badge i{display:inline-block;height:5px;width:5px;border-radius:50%;background:var(--green);margin-right:4px;animation:pulse 1.4s ease-in-out infinite}.flow{padding:12px 20px 20px}.flow-step{display:grid;grid-template-columns:25px 34px 1fr;align-items:center;gap:9px}.flow-step>b{font-size:10px;color:#a6afbd}.flow-icon{height:32px;width:32px;border-radius:9px;display:grid;place-items:center;font-size:19px;font-weight:700}.user-icon{background:#edf2ff;color:var(--blue)}.gateway-icon{background:#f1edff;color:var(--violet)}.node-icon{background:#eaf8f0;color:var(--green)}.flow-step strong{font-size:12px;display:block}.flow-step small{font-size:10px;color:var(--muted);display:block;margin-top:3px}.flow-line{height:20px;border-left:1px dashed #cfd7e4;margin-left:41px}.rule-list{padding:5px 18px 16px}.rule-list div{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 0;border-bottom:1px solid #edf0f4}.rule-list div:last-child{border-bottom:0}.rule-list span{font-size:11px;color:var(--muted)}.rule-list strong{font-size:11px;color:#39475c;text-align:right}.rule-panel .icon-sliders{color:var(--violet)}.footer-panel{margin-top:16px;padding:23px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px}.footer-copy h2{font-size:16px;margin:0}.footer-copy p:not(.eyebrow){font-size:11px;color:var(--muted);line-height:1.65;margin:9px 0 0}.footer-copy code{color:#52669e;background:#f0f3fb;border-radius:4px;padding:2px 5px}.safe-state{display:flex;align-items:center;gap:10px;padding:12px 15px;border:1px solid #d4eddd;border-radius:8px;background:#f2fbf5;white-space:nowrap}.safe-check{height:25px;width:25px;display:grid;place-items:center;color:#fff;border-radius:50%;background:var(--green);font-size:14px;font-weight:800}.safe-state strong{font-size:11px;display:block;color:#1f6f44}.safe-state small{font-size:10px;color:#6a987b;display:block;margin-top:3px}.empty{padding:38px 10px;color:var(--muted);text-align:center;font-size:12px}.toast{position:fixed;right:22px;top:88px;padding:12px 15px;background:#202b3c;color:#fff;border-radius:7px;font-size:12px;box-shadow:0 12px 30px rgba(16,24,40,.2);z-index:20}.toast[hidden]{display:none}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,100%{opacity:.65;transform:scale(1)}50%{opacity:1;transform:scale(1.04)}}
.upstream-actions{grid-column:6;display:flex;align-items:center;justify-content:flex-end;gap:6px}.mini-button{height:28px;padding:0 8px;border:1px solid var(--line);border-radius:5px;color:#536176;background:#fff;font-size:10px;font-weight:700}.mini-button:hover{border-color:#a9b6ca;background:#f7f9fc}.mini-button.danger{color:var(--red);background:var(--red-soft);border-color:#f5cbc8}.modal[hidden]{display:none}.modal{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:18px}.modal-backdrop{position:absolute;inset:0;background:rgba(19,31,52,.42);backdrop-filter:blur(4px)}.modal-card{position:relative;width:min(600px,100%);max-height:calc(100vh - 36px);overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 25px 75px rgba(16,24,40,.27);animation:modal-in .18s ease}.modal-head{min-height:68px;padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.modal-head h2{margin:0;font-size:18px}.close{border:0;background:transparent;color:#8490a1;font-size:25px;line-height:1;cursor:pointer}.form-grid{padding:18px 20px;display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid label{display:grid;gap:6px;color:#4d5c72;font-size:11px;font-weight:700}.form-grid label.wide{grid-column:1/-1}.form-grid input:not([type=checkbox]){height:37px;width:100%;padding:0 10px;border:1px solid #d5dce6;border-radius:6px;outline:none;color:var(--ink);font:inherit;font-weight:400}.form-grid input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(59,104,232,.1)}.form-grid small{font-size:10px;color:#98a2b3;font-weight:400}.toggle{display:flex!important;align-items:center;gap:8px}.toggle input{width:16px;height:16px;accent-color:var(--blue)}.modal-foot{padding:13px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}.toast{position:fixed;right:22px;top:88px;padding:12px 15px;background:#202b3c;color:#fff;border-radius:7px;font-size:12px;box-shadow:0 12px 30px rgba(16,24,40,.2);z-index:40}.toast[hidden]{display:none}@keyframes modal-in{from{opacity:0;transform:translateY(8px) scale(.99)}to{opacity:1;transform:none}}
.panel-tools{display:flex;align-items:center;gap:14px}.filter-select{min-height:36px;padding:0 9px;border:1px solid var(--line);border-radius:7px;background:#fff;display:flex;align-items:center;gap:7px}.filter-select span{color:var(--muted);font-size:10px}.filter-select select{max-width:180px;border:0;outline:0;color:#344054;background:transparent;font-size:11px}.node-status.degraded{background:var(--amber);box-shadow:0 0 0 4px rgba(189,118,13,.1)}.metric small{display:block;margin-top:4px;color:#9aa5b5;font-size:9px}.tag-stack{display:flex;flex-wrap:wrap;gap:4px}.tag.neutral{color:#667085;background:#f2f4f7}.row-degraded{background:#fffdf8}.decision-list{padding:5px 18px 14px}.decision-row{min-height:49px;border-bottom:1px solid #edf0f4;display:grid;grid-template-columns:8px 1fr auto;align-items:center;gap:9px}.decision-row:last-child{border-bottom:0}.decision-mark{width:6px;height:22px;border-radius:3px;background:linear-gradient(#5d7de8,#62b58a)}.decision-row strong{display:block;font-size:11px}.decision-row small{display:block;margin-top:3px;color:var(--muted);font-size:9px}.decision-meta{text-align:right}.decision-meta span{display:block;color:var(--muted);font-size:9px}.decision-meta b{display:block;margin-top:3px;color:#455775;font-size:10px;font-variant-numeric:tabular-nums}.compact-empty{padding:26px 8px}.decision-panel{overflow:hidden}
@media(max-width:1050px){.hero{padding:35px 38px}.hero-visual{margin-right:0;transform:scale(.84)}.content-grid{grid-template-columns:1fr}.side-column{grid-template-columns:1fr 1fr}.decision-panel{grid-column:1/-1}.upstream{grid-template-columns:minmax(150px,1fr) 110px 110px auto}.upstream .tag-stack{display:none}.upstream-actions{grid-column:1/-1;justify-content:flex-start}}
@media(max-width:760px){.topbar{padding:0 14px}.top-actions .muted,#refresh{display:none}.main{padding:20px 14px 40px}.hero{min-height:360px;padding:28px 22px;display:block}.hero h1{font-size:29px}.hero-visual{height:165px;width:100%;margin-top:15px;transform:scale(.72);transform-origin:left top}.stat-grid{grid-template-columns:repeat(2,1fr);gap:8px}.stat-card{min-height:92px;padding:13px;grid-template-columns:32px 1fr;column-gap:8px}.stat-icon{width:32px;height:32px}.stat-card strong{font-size:20px}.content-grid{gap:10px}.side-column{grid-template-columns:1fr;gap:10px}.decision-panel{grid-column:auto}.panel-head{padding:15px}.panel-tools{gap:6px}.filter-select select{max-width:120px}.upstream-list{padding:6px 15px 14px}.upstream{grid-template-columns:1fr 92px;gap:10px;padding:13px 0}.upstream .metric:nth-child(3){display:none}.upstream .availability{justify-self:end}.upstream-actions{grid-column:1/-1;justify-content:flex-start}.footer-panel{display:block;padding:19px}.safe-state{margin-top:16px;width:max-content}.legend{display:none}.form-grid{grid-template-columns:1fr}.form-grid label.wide{grid-column:auto}}