:root{--bg:#0f1115;--panel:#171a21;--panel2:#1d212b;--line:#2a2f3a;--txt:#d6dae3;--txt2:#8b93a3;--accent:#4a9eff;--green:#3ddc84;--red:#ff6b6b;font-family:"Noto Sans CJK SC","Microsoft YaHei",system-ui,sans-serif;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{background:var(--bg);color:var(--txt)}button,select{font:inherit}.shell{width:min(1120px,calc(100% - 40px));margin:auto}.site-header{display:flex;justify-content:space-between;align-items:center;padding:24px 0 12px}.brand{display:flex;align-items:center;gap:10px;color:var(--txt);text-decoration:none;font-weight:750}.brand img{border-radius:50%;background:#fff}.brand span{display:flex;flex-direction:column}.brand small{font:9px ui-monospace,monospace;letter-spacing:1.4px;color:var(--txt2)}.safety-badge{font-size:11px;color:var(--green);display:flex;gap:7px;align-items:center}.safety-badge i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green)}.intro{padding:48px 0 32px}.eyebrow{font:10px ui-monospace,monospace;letter-spacing:2px;color:var(--accent)}h1{margin:12px 0 10px;font-size:40px;letter-spacing:-1.5px}.intro p{margin:0;color:var(--txt2);line-height:1.7}.bridge-card,.config-card,.monitor-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden}.section-heading{min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;border-bottom:1px solid var(--line)}.section-heading>div{display:flex;align-items:center;gap:12px}.section-heading>div>span{font:11px ui-monospace,monospace;color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);border-radius:4px;padding:5px}.section-heading h2{font-size:15px;margin:0}.status{font-size:11px;font-weight:500;color:var(--txt2);display:flex;align-items:center;gap:7px}.status i{width:8px;height:8px;border-radius:50%;background:var(--txt2)}.status.ready{color:var(--green)}.status.ready i{background:var(--green);box-shadow:0 0 9px color-mix(in srgb,var(--green) 75%,transparent)}.status.error{color:var(--red)}.status.error i{background:var(--red)}.bridge-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px}.bridge-row p{margin:0;color:var(--txt2);font-size:12px;line-height:1.7}.secondary,.primary{min-height:40px;padding:0 18px;border-radius:7px;border:1px solid var(--line);cursor:pointer;white-space:nowrap}.secondary{background:var(--panel2);color:var(--txt)}.primary{background:var(--accent);border-color:var(--accent);color:#071523;font-weight:700}.secondary:hover:not(:disabled){border-color:var(--accent)}.primary:hover:not(:disabled){filter:brightness(1.08)}button:disabled{opacity:.42;cursor:default}.config-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:22px 20px}.config-grid label{font-size:11px;color:var(--txt2)}select{display:block;width:100%;height:42px;margin-top:8px;padding:0 34px 0 12px;border:1px solid var(--line);border-radius:7px;background:var(--panel2);color:var(--txt)}select:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.action-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;border-top:1px solid var(--line)}.action-row>div{display:flex;gap:10px}.receive-only{color:var(--green);font-size:12px}.receive-only i{display:inline-grid;place-items:center;width:20px;height:20px;margin-right:7px;border-radius:50%;background:color-mix(in srgb,var(--green) 17%,transparent);font-style:normal}.connection-state{font-size:11px;color:var(--txt2);font-weight:500}.connection-state.connected{color:var(--green)}.connection-state.error{color:var(--red)}.metrics{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}.metrics>div{padding:18px 20px;border-right:1px solid var(--line)}.metrics>div:last-child{border:0}.metrics span{display:block;color:var(--txt2);font-size:10px}.metrics strong{display:block;margin-top:8px;font:22px ui-monospace,monospace}.table-heading{display:flex;align-items:center;justify-content:space-between;padding:14px 20px}.table-heading h3{font-size:13px;margin:0}.text-button{border:0;background:none;color:var(--accent);cursor:pointer;font-size:11px}.frame-table-wrap{overflow:auto;max-height:390px}.frame-table{width:100%;border-collapse:collapse;min-width:680px;font:12px ui-monospace,monospace}.frame-table th{position:sticky;top:0;background:var(--panel2);color:var(--txt2);font-weight:500;text-align:left;padding:10px 14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.frame-table td{padding:9px 14px;border-bottom:1px solid var(--line)}.frame-table tbody tr:hover{background:color-mix(in srgb,var(--accent) 7%,transparent)}.empty-row td{text-align:center!important;color:var(--txt2);padding:36px!important}footer{text-align:center;padding:28px;color:var(--txt2);font-size:10px}
html[data-skin="dark"]{--bg:#191b24;--panel:#242732;--panel2:#20232d;--line:#373b49;--txt:#f4f6fb;--txt2:#b5bdca;--accent:#4a9eff;--green:#42df88;color-scheme:dark}html[data-skin="light"]{--bg:#f4f6fa;--panel:#fff;--panel2:#f8fafc;--line:#d8dee8;--txt:#1f2430;--txt2:#596579;--accent:#0b63ce;--green:#08783f;--red:#b42318;color-scheme:light}html[data-skin="light"] .primary{color:#fff}html[data-skin="light"] .brand img{border:1px solid var(--line)}
@media(max-width:720px){.shell{width:calc(100% - 24px)}.site-header{padding-top:18px}.brand small{display:none}.safety-badge{font-size:9px}.intro{padding:32px 0 22px}h1{font-size:30px}.config-grid{grid-template-columns:1fr 1fr}.bridge-row{align-items:flex-start;flex-direction:column}.bridge-row button{width:100%}.action-row{align-items:stretch;flex-direction:column}.action-row>div{display:grid;grid-template-columns:1fr 1fr}.metrics strong{font-size:18px}.section-heading{padding:12px 14px}.config-grid,.action-row{padding-left:14px;padding-right:14px}}@media(max-width:430px){.config-grid{grid-template-columns:1fr}.metrics>div{padding:14px 10px}.metrics strong{font-size:16px}.monitor-heading{align-items:flex-start;flex-direction:column}.action-row>div{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}