:root{--ink:#263e35;--green:#507b68;--dark:#233b30;--paper:#f5f1e7;--cream:#fffdf6;--rust:#bd7654;--line:#d9ddcf;--soft:#e6ebde;--muted:#78857a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #d9875e;outline-offset:3px}.skip{position:absolute;left:-10000px}.skip:focus{left:10px;top:10px;z-index:20;background:white;padding:10px}.topbar{height:78px;padding:0 max(5vw,28px);display:flex;align-items:center;gap:42px;border-bottom:1px solid var(--line);background:rgba(245,241,231,.94)}.identity{display:flex;align-items:center;gap:11px;font-size:13px;font-weight:700;line-height:1.35;letter-spacing:.06em}.identity 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@media(min-width:801px){.presenting .slide-copy{padding:12px 30px 14px}.presenting .slide-meta{padding-top:13px}.presenting .slide-layout{min-height:0}.presenting .slide-copy h3{margin:3px 0 8px}.presenting .problem{margin-bottom:12px}.presenting .quote{padding:7px 12px}.presenting .quote-list{gap:6px}.presenting .ai-summary{margin-top:10px}.presenting .learning{padding:9px 14px;margin-top:10px}.presenting .slide-controls{padding:9px 30px}.presenting .slide-visual{padding-top:14px;padding-bottom:14px}}
/* 沟通记录：按节点分组的瀑布流 */
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/* 真实对话与节点配图 */
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/* 每一行是一条沟通：左侧输入，右侧回复。 */
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/* Each dialogue keeps its two columns; its documented progress spans the row. */
.row-change{grid-column:1/-1;min-width:0;padding:17px 22px 20px;border-top:1px solid #dce6d9;background:#fafbf4}.change-heading{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.change-heading strong{font-size:13px;color:#315d48}.change-status{font-size:11px;color:#6a806d;background:#e8eee1;padding:3px 9px;border-radius:30px}.change-summary{font-size:14px;line-height:1.7;color:#455d4b;margin:8px 0 0;overflow-wrap:anywhere}.change-visuals{display:flex;flex-wrap:wrap;gap:18px;margin-top:14px}.change-figure{margin:0;width:min(340px,100%);min-width:0}.change-image{display:block;padding:0;width:100%;height:150px;border:1px solid #d8e2d3;border-radius:9px;background:#edf1e6;cursor:zoom-in;overflow:hidden}.change-image:focus-visible{outline:3px solid #b46e4b;outline-offset:3px}.change-image img{display:block;width:100%;height:100%;object-fit:contain}.change-figure figcaption{font-size:11px;color:#718575;line-height:1.55;margin-top:6px}.row-change:has(.change-image){padding-bottom:18px}@media(max-width:650px){.row-change{padding:16px 18px}.change-visuals{display:grid;grid-template-columns:minmax(0,1fr);gap:14px}.change-figure{width:100%;max-width:340px}.change-image{height:150px}}