/* V3.1 实装 B：分子优化与反应枚举 */
.ob-tabs { display: flex; flex-wrap: wrap; gap: 6px; border-bottom: 1px solid var(--w6a-hairline); margin-bottom: 10px; }
.ob-tabs [role=tab] { font: 600 14px/1 var(--w6a-font-cn, sans-serif); padding: 10px 14px; border: 0; background: none; color: var(--w6a-ink-500); border-bottom: 2px solid transparent; cursor: pointer; }
.ob-tabs [role=tab][aria-selected=true] { color: var(--w6a-brand); border-bottom-color: var(--w6a-brand); }
.ob-note { margin: 4px 0 14px; }
.ob-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 22px; align-items: start; }
.ob-l { display: block; font-size: 13px; font-weight: 600; margin: 10px 0 4px; }
.ob-in, .ob-ta, .ob select { font: inherit; padding: 8px 10px; border: 1px solid var(--w6a-hairline); border-radius: 8px; background: var(--w6a-paper); width: 100%; box-sizing: border-box; min-width: 0; }
.ob select { width: auto; max-width: 100%; }
.ob-ta { resize: vertical; font-size: 12.5px; }
.ob-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 10px 0; }
.ob-site { border: 1px solid var(--w6a-hairline); border-left: 4px solid var(--sc); border-radius: 10px; padding: 8px 10px; margin: 10px 0; min-width: 0; }
.ob-site legend { font-size: 13px; font-weight: 600; color: var(--sc); padding: 0 4px; }
.ob-site .chips { max-height: 132px; overflow: auto; }
.ob-core { margin: 0; text-align: center; border: 1px dashed var(--w6a-hairline); border-radius: 12px; padding: 8px; background: var(--w6a-sunk, #f6f7f9); }
.ob-svg svg { max-width: 100%; height: auto; }
.ob-mgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; margin: 12px 0; }
.ob-card { margin: 0; border: 1px solid var(--w6a-hairline); border-radius: 12px; padding: 6px; background: var(--w6a-paper); display: flex; flex-direction: column; align-items: center; animation: obgrow .45s cubic-bezier(.2,.8,.3,1.2) both; animation-delay: calc(var(--i, 0) * 35ms); }
.ob-card svg { width: 100%; height: auto; max-width: 170px; }
.ob-card figcaption { font-size: 12px; display: flex; flex-wrap: wrap; gap: 4px; justify-content: center; text-align: center; word-break: break-all; }
.ob-r { color: #fff; background: var(--sc); border-radius: 999px; padding: 1px 7px; font-size: 11.5px; }
@keyframes obgrow { from { opacity: 0; transform: scale(.6) translateY(8px); } to { opacity: 1; transform: none; } }
.ob-grp h3 { font-size: 15px; margin: 16px 0 4px; }
.ob-mmp td { vertical-align: middle; } .ob-mmp tr { animation: obfade .5s both; animation-delay: calc(var(--i) * 50ms); }
.ob-mmp code { font-size: 12px; word-break: break-all; }
.ob-pair { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; } .ob-pair svg { width: 120px; height: auto; }
.ob-flash, .ob-arw { color: var(--w6a-accent, #d9480f); font-weight: 700; font-size: 20px; animation: obflash 1.4s ease-in-out infinite; }
@keyframes obflash { 50% { opacity: .25; transform: translateX(3px); } }
.up { color: var(--w6a-danger, #c92a2a); } .dn { color: var(--w6a-ok, #1a7f4b); }
@keyframes obfade { from { opacity: 0; } to { opacity: 1; } }
.ob-sarwrap { overflow-x: auto; max-width: 100%; }
.ob-sar th svg { width: 90px; height: auto; display: block; margin: auto; } .ob-sar th code { font-size: 11px; }
.ob-cell { text-align: center; min-width: 88px; background: color-mix(in srgb, var(--w6a-brand) calc(var(--t) * 70% + 6%), transparent); color: var(--w6a-ink-700); animation: obfade .6s both; animation-delay: calc(var(--i) * 70ms); }
.ob-cell b { display: block; font-size: 15px; } .ob-cell span { font-size: 11px; opacity: .8; } .ob-cell.empty { background: none; color: var(--w6a-ink-300); }
.ob-h3 { margin: 26px 0 6px; font-size: 16px; }
.ob-params .tbl input { width: 100%; }
.ob-radar { min-width: 0; } .ob-rsvg { width: 100%; max-width: 380px; height: auto; display: block; margin: auto; }
.ob-rsvg .ax { fill: none; stroke: var(--w6a-hairline); } .ob-rsvg text { font-size: 11px; text-anchor: middle; dominant-baseline: middle; fill: var(--w6a-ink-500); }
.ob-rsvg .mol { fill: var(--c); fill-opacity: .12; stroke: var(--c); stroke-width: 1.8; animation: obfade .6s both; animation-delay: calc(var(--i) * 180ms); transition: opacity .2s; }
.ob-rsvg.focus .mol { opacity: .12; } .ob-rsvg.focus .mol.on { opacity: 1; fill-opacity: .3; }
.ob-mpo tbody tr { cursor: default; } .ob-mpo tbody tr:hover { background: var(--w6a-brand-tint); }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; background: var(--c); margin-right: 6px; }
#mpo-tbl, #sr-out, #rx-out, #mm-out { overflow-x: auto; max-width: 100%; }
.rx-scheme { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; min-height: 100px; margin: 12px 0; padding: 8px; border-radius: 12px; background: var(--w6a-sunk, #f6f7f9); }
.rx-mol svg { width: 130px; height: auto; } .rx-p { font-size: 22px; color: var(--w6a-ink-500); }
.rx-arrow { position: relative; width: 110px; height: 2px; background: var(--w6a-ink-500); margin: 0 10px; }
.rx-arrow::after { content: ''; position: absolute; right: -2px; top: -5px; border: 6px solid transparent; border-left: 9px solid var(--w6a-ink-500); border-right: 0; }
.rx-arrow em { position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%); font-size: 11.5px; font-style: normal; white-space: nowrap; color: var(--w6a-brand); }
.rx-scheme.go .rx-mol.l { animation: rxl .6s both; } .rx-scheme.go .rx-mol.r { animation: rxr .6s both; }
.rx-scheme.go .rx-arrow em { animation: obfade .5s .45s both; } .rx-scheme.go .rx-mol.prod { animation: obgrow .5s .7s both; }
@keyframes rxl { from { opacity: 0; transform: translateX(-60px); } to { opacity: 1; transform: none; } }
@keyframes rxr { from { opacity: 0; transform: translateX(60px); } to { opacity: 1; transform: none; } }
.rx-slots { display: flex; gap: 10px; align-items: stretch; } .rx-slot { flex: 1 1 0; min-width: 0; } .rx-plus { align-self: center; font-size: 22px; color: var(--w6a-ink-500); padding-top: 22px; }
.rx-tbl td svg { width: 130px; height: auto; display: block; } .rx-tbl tr { animation: obfade .4s both; animation-delay: calc(var(--i) * 30ms); } .rx-tbl code { word-break: break-all; }
.rs-fig { margin: 8px 0 0; } .rs-fig svg { width: 100%; max-width: 640px; height: auto; }
.rs-fig rect { fill: none; stroke: var(--w6a-ink-300); stroke-dasharray: 5 4; } .rs-fig path { fill: none; stroke: var(--w6a-ink-300); stroke-dasharray: 5 4; }
.rs-fig text { font-size: 13px; text-anchor: middle; fill: var(--w6a-ink-500); } .rs-fig .rs-tag { text-anchor: start; font-size: 12px; fill: var(--w6a-accent, #d9480f); }
@media (max-width: 760px) { .ob-grid { grid-template-columns: 1fr; } .rx-slots { flex-direction: column; } .rx-plus { padding: 0; } .rx-arrow { width: 60px; } }
@media (prefers-reduced-motion: reduce) { .ob-card, .ob-cell, .ob-rsvg .mol, .rx-scheme.go *, .ob-flash, .ob-arw, .ob-mmp tr, .rx-tbl tr { animation: none !important; } }

.ob-m>span{white-space:nowrap}