/* Opening: one visual conclusion per page; all semantic copy remains editable. */
.opening-transition .slide-body{padding:24px 42px 30px}
.opening-transition .semantic-visual{height:100%;min-height:0}
.opening-rules{display:flex;flex-direction:column;gap:18px;min-height:clamp(420px,53vh,640px)}
.opening-rules-rail{display:flex;align-items:center;justify-content:center;gap:20px;background:#173451;color:#fff;border-radius:10px;padding:20px 26px;font-size:19px;font-weight:800}
.opening-rules-rail i{color:#8dd7e0;font-style:normal;font-size:24px}
.opening-rules-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;flex:1}
.opening-rules-grid article{display:flex;flex-direction:column;gap:15px;min-width:0;padding:28px;background:#f7fafc;border:1px solid #ccdae5;border-top:7px solid #247f92;border-radius:10px}
.opening-rules-grid article:nth-child(2){border-top-color:#2563eb;background:#f3f7ff}
.opening-rules-grid article:nth-child(3){border-top-color:#c08b2d;background:#fcfaf5}
.opening-rules-grid small{color:#247f92;font-size:19px;font-weight:900;letter-spacing:.08em}
.opening-rules-grid article:nth-child(2) small{color:#245bd0}.opening-rules-grid article:nth-child(3) small{color:#9a6a19}
.opening-rules-grid strong{color:#173451;font-size:29px;line-height:1.23}
.opening-rules-grid p{margin:0;color:#365166;font-size:19px;line-height:1.52}
.opening-rules-grid em{margin-top:auto;padding-top:15px;border-top:1px solid #d5e1e9;color:#173451;font-size:17px;font-style:normal;font-weight:800;line-height:1.4}
.opening-rules-outcome{display:grid;grid-template-columns:160px minmax(0,1fr);align-items:center;gap:16px;background:#e9f4f5;border-left:6px solid #247f92;border-radius:5px;padding:18px 24px;color:#173451}
.opening-rules-outcome b{font-size:21px}.opening-rules-outcome span{font-size:18px;line-height:1.45}
.opening-board{display:flex;flex-direction:column;gap:14px}
.opening-role-image{flex:0 0 auto;height:clamp(240px,35vh,390px);min-height:0;margin:0;background:#fff;border:1px solid #dce6ec;overflow:hidden}
.opening-role-image img{width:100%;height:100%;object-fit:contain;object-position:center}
.opening-role-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.opening-role-strip article{display:grid;gap:5px;padding:13px 15px;background:#f6f9fa;border-top:4px solid #217f88;color:#1a3143;min-width:0}
.opening-role-strip small,.opening-evidence-source small,.opening-gap-answer small{font-size:12px;letter-spacing:.06em;color:#417179;font-weight:750}
.opening-role-strip strong{font-size:21px;line-height:1.18}
.opening-role-strip span{font-size:14px;line-height:1.38}
.opening-bottom{border-top:1px solid #cad8df;padding:11px 14px;display:flex;gap:15px;align-items:center;color:#193a52;background:#f3f8fa}
.opening-bottom b{white-space:nowrap;font-size:16px}.opening-bottom span{font-size:15px;line-height:1.35}
.opening-evidence{display:grid;grid-template-columns:minmax(235px,.7fr) minmax(0,2fr);gap:16px;height:clamp(430px,56vh,680px)}
.opening-evidence-source{background:#173451;color:#fff;border-radius:10px;padding:24px 22px;display:flex;flex-direction:column;gap:13px}
.opening-evidence-source small{color:#89d0d2}
.opening-evidence-source strong{font-size:30px;line-height:1.2}
.opening-evidence-source p{font-size:16px;line-height:1.55;margin:0}
.opening-evidence-source a{color:#a2e6e6;font-size:15px;font-weight:700;margin-top:auto}
.opening-evidence-source em{font-style:normal;color:#c5d2da;font-size:11px;line-height:1.4}
.opening-evidence-chain{background:#f6f9fa;border:1px solid #d6e3e8;border-radius:10px;padding:20px;display:flex;flex-direction:column;gap:12px}
.opening-human-ai{display:grid;grid-template-columns:minmax(0,1fr) 24px minmax(0,1fr);align-items:center;gap:11px}
.opening-human-ai div{display:grid;gap:7px;background:#e8f0f5;border-left:5px solid #6591a4;border-radius:5px;padding:13px 15px;min-height:76px;box-sizing:border-box}
.opening-human-ai div:last-child{background:#e8f5f3;border-left-color:#247f92}
.opening-human-ai small{font-size:13px;color:#477184;font-weight:800}.opening-human-ai b{font-size:16px;color:#173451;line-height:1.4}
.opening-human-ai i{font-size:22px;color:#247f92;font-style:normal;font-weight:900;text-align:center}
.opening-chain-label{display:flex;align-items:baseline;justify-content:space-between;gap:15px;border-bottom:1px solid #d4e0e5;padding-bottom:12px}
.opening-chain-label b{font-size:22px;color:#15354d}.opening-chain-label span{font-size:15px;color:#526b7b}
.opening-chain-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;flex:1;align-items:stretch}
.opening-chain-steps article{padding:13px 11px;background:white;border:1px solid #d7e4e8;border-top:4px solid #2c8290;min-width:0}
.opening-chain-steps i{font-size:17px;font-style:normal;font-weight:800;color:#2c8290;display:block;margin-bottom:8px}
.opening-chain-steps b{display:block;font-size:21px;color:#173451;margin-bottom:9px}.opening-chain-steps p{font-size:15px;line-height:1.46;color:#4e6171;margin:0}
.opening-evidence-takeaway{display:flex;gap:13px;align-items:center;padding:14px;background:#e9f4f5;color:#173451}
.opening-evidence-takeaway b{white-space:nowrap;font-size:16px}.opening-evidence-takeaway span{font-size:15px}
.opening-gap{display:grid;grid-template-columns:minmax(200px,.76fr) minmax(290px,1.12fr) minmax(260px,1fr);gap:14px;height:clamp(380px,54vh,610px)}
.opening-gap>div{padding:20px;border:1px solid #d4e1e7;border-radius:9px;min-width:0}
.opening-gap-source{background:#f3f8f9;display:flex;flex-direction:column}
.opening-gap-source>span{font-size:14px;color:#345c68;font-weight:700}
.opening-gap-source>strong{font-size:75px;color:#17465c;line-height:1.06;margin:14px 0 9px}
.opening-gap-source p{font-size:17px;line-height:1.5;color:#294458;margin:0}.opening-gap-source p b{font-size:25px;color:#206f79}
.opening-gap-source a{margin-top:auto;font-size:14px;color:#126e82;font-weight:750}
.opening-gap-middle{background:#fff;display:flex;flex-direction:column;gap:12px}
.opening-gap-middle>b{font-size:21px;color:#18354c;margin-bottom:5px}
.opening-gap-middle article{display:flex;gap:12px;align-items:center;background:#f7f9fa;border-left:3px solid #698691;padding:14px 12px}
.opening-gap-middle article i{font-style:normal;color:#5e7280;font-size:20px}.opening-gap-middle article span{font-size:16px;line-height:1.38;color:#203d53}
.opening-gap-middle small{font-size:11px;line-height:1.35;color:#617585;margin-top:auto}
.opening-gap-answer{background:#173451;color:#fff!important;display:flex;flex-direction:column;gap:20px}
.opening-gap-answer small{color:#9adddf}.opening-gap-answer strong{font-size:27px;line-height:1.38;color:#fff}
.opening-gap-answer p{font-size:16px;line-height:1.55;margin:0;color:#dce9ef}
.opening-gap-answer a{color:#9fe1e0;font-size:17px;font-weight:800;margin-top:auto}
.opening-source-line{font-size:12px;line-height:1.4;margin:10px 0 0;color:#526b7b}
#m0-s3 .m0-process-chain{flex:0 0 auto;height:clamp(300px,39vh,460px)}
#m0-s3 .m0-process-thesis{justify-content:center}
#fsSlideContent .opening-transition .slide-body{padding:clamp(20px,2vh,32px) clamp(28px,3vw,52px)}
#fsSlideContent > :is(#m0-roles-change,#m0-hikvision-evidence).slide-card.active{display:flex!important;flex-direction:column!important}
#fsSlideContent > :is(#m0-roles-change,#m0-hikvision-evidence).slide-card.active .slide-body{display:flex!important;flex-direction:column!important;justify-content:center!important;flex:1 1 auto!important;min-height:0!important}
#fsSlideContent > :is(#m0-roles-change,#m0-hikvision-evidence).slide-card.active :is(.opening-rules,.opening-evidence){flex:0 0 auto!important;height:clamp(480px,46vh,560px)!important;min-height:0!important}
#fsSlideContent #m0-roles-change .opening-rules{justify-content:center!important}
#fsSlideContent #m0-roles-change .opening-rules-grid{flex:0 0 auto!important;min-height:305px}
#fsSlideContent #m0-hikvision-evidence .opening-evidence-chain{justify-content:center!important}
#fsSlideContent #m0-hikvision-evidence .opening-chain-steps{flex:0 0 auto!important;min-height:185px}
@media(max-width:768px){.opening-transition .slide-body{padding:15px}.opening-rules{min-height:0}.opening-rules-rail{flex-wrap:wrap;gap:9px;padding:14px;font-size:14px}.opening-rules-rail i{font-size:15px}.opening-rules-grid{grid-template-columns:1fr;gap:10px}.opening-rules-grid article{padding:16px;gap:8px}.opening-rules-grid strong{font-size:22px}.opening-rules-grid p{font-size:15px}.opening-rules-grid em{font-size:14px;margin-top:0;padding-top:8px}.opening-rules-outcome{grid-template-columns:1fr;gap:4px;padding:12px 15px}.opening-rules-outcome b{font-size:17px}.opening-rules-outcome span{font-size:14px}.opening-role-image{height:210px;min-height:210px}.opening-role-strip{grid-template-columns:repeat(2,1fr)}.opening-evidence,.opening-gap{grid-template-columns:1fr;height:auto}.opening-evidence-chain{padding:14px}.opening-human-ai{grid-template-columns:1fr}.opening-human-ai i{transform:rotate(90deg)}.opening-chain-steps{grid-template-columns:repeat(2,1fr)}.opening-bottom{display:block}.opening-gap>div{padding:14px}.opening-gap-source>strong{font-size:52px}#m0-s3 .m0-process-thesis{height:auto!important;justify-content:flex-start!important}#m0-s3 .m0-process-chain{height:auto!important;min-height:0!important;flex:none!important;display:flex!important;flex-direction:column!important}#m0-s3 .m0-process-chain article{min-height:148px!important;flex:none!important}#m0-s3 .m0-process-chain>i{min-height:25px}#m0-s3 .m0-process-roles{height:auto!important}}