.header-tools{display:flex;align-items:center;gap:8px}
.site-header{justify-content:flex-start;gap:16px}
.site-nav{order:2;margin-left:auto}
.header-tools{order:3}.lang-toggle,.theme-toggle{height:34px;min-width:34px;padding:0 9px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--muted);font-size:11px;font-weight:800;cursor:pointer}.theme-toggle{font-size:16px}.lang-toggle:hover,.theme-toggle:hover{color:var(--blue);border-color:var(--blue)}
.bulk-visual{display:flex;align-items:center;justify-content:center;gap:10px;padding:24px 20px}.demand-cluster,.upstream-pool{position:relative;display:grid;grid-template-columns:repeat(3,12px);gap:5px;width:74px;justify-content:center}.demand-cluster i,.upstream-pool i{display:block;width:12px;height:12px;border-radius:4px;background:#9bb5fa;animation:demand-pulse 2s ease-in-out infinite}.demand-cluster i:nth-child(2),.upstream-pool i:nth-child(2){animation-delay:.22s}.demand-cluster i:nth-child(3),.upstream-pool i:nth-child(3){animation-delay:.44s}.demand-cluster i:nth-child(4),.upstream-pool i:nth-child(4){animation-delay:.66s}.demand-cluster i:nth-child(5),.upstream-pool i:nth-child(5){animation-delay:.88s}.demand-cluster span,.upstream-pool span{grid-column:1/-1;margin-top:8px;color:#8797a1;text-align:center;font-size:7px;font-weight:800;letter-spacing:.08em;line-height:1.35}.upstream-pool i{background:#81c59c}.bulk-arrow{color:#9dabc1;font-size:24px;animation:bulk-flow 1.8s ease-in-out infinite}.bulk-core{display:grid;justify-items:center;gap:4px;min-width:106px;padding:14px 8px;border:1px solid #cbd8ff;border-radius:13px;background:linear-gradient(145deg,#f3f6ff,#fff);box-shadow:0 9px 20px rgba(53,103,238,.12);animation:bulk-core 3s ease-in-out infinite}.bulk-core strong{color:var(--blue-dark);font-size:11px;letter-spacing:.08em}.bulk-core small{color:#93a0ac;font-size:7px;letter-spacing:.06em}.bulk-core b{color:var(--green);font-size:17px;letter-spacing:-.04em}.reason-scale .reason-tags{margin-top:16px}@keyframes demand-pulse{0%,100%{opacity:.45;transform:scale(.82)}50%{opacity:1;transform:scale(1)}}@keyframes bulk-flow{0%,100%{transform:translateX(0);opacity:.45}50%{transform:translateX(4px);opacity:1}}@keyframes bulk-core{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
html[data-theme="dark"] .lang-toggle,html[data-theme="dark"] .theme-toggle{background:#18222d;border-color:#344754;color:#c4d1d8}html[data-theme="dark"] .bulk-core{border-color:#40598c;background:#1d2b46}html[data-theme="dark"] .reason-visual:after{background:linear-gradient(transparent,rgba(20,29,39,.92))}html[data-theme="dark"] .demand-cluster span,html[data-theme="dark"] .upstream-pool span{color:#9aabb5}html[data-theme="dark"] .bulk-arrow{color:#8fa4c9}
@media(max-width:680px){.site-nav{margin-left:0}.header-tools{margin-left:auto;gap:5px}.lang-toggle,.theme-toggle{height:32px;min-width:32px;padding:0 7px}.bulk-visual{gap:4px;padding-left:9px;padding-right:9px}.demand-cluster,.upstream-pool{width:58px}.bulk-core{min-width:91px;padding:12px 5px}.bulk-core strong{font-size:10px}.bulk-core small{font-size:6px}.bulk-arrow{font-size:18px}}
@media(prefers-reduced-motion:reduce){.demand-cluster i,.upstream-pool i,.bulk-arrow,.bulk-core{animation:none}}