.segmented{flex-wrap:wrap}.teaching-card{margin:14px 0;padding:13px;border:1px solid #5d4f3488;border-radius:12px;background:linear-gradient(135deg,#e8ca8d10,#0a1625)}
.teaching-card h3{color:var(--gold);margin:0 0 8px}.teaching-card p{margin:6px 0;font-size:14px}.teaching-card b{display:block;color:#f2dcae;font-size:12px}
.transition-open{width:100%;margin:4px 0 10px;border-color:#907b51;color:#f2dcae;background:#e8ca8d0c}
.transition-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:18px 0}.transition-steps article{position:relative;padding:14px 11px;border:1px solid var(--line);border-radius:12px;background:#13243a}.transition-steps article:not(:last-child):after{content:'←';position:absolute;left:-10px;top:42%;color:var(--gold)}.transition-steps span,.transition-steps b,.transition-steps small{display:block}.transition-steps span{color:var(--gold);font-size:12px}.transition-steps small{color:var(--muted);margin-top:5px}
.study-view{height:100%;min-height:540px;border:1px solid #1f3248;border-radius:18px;background:radial-gradient(circle at 50% 35%,#1a3451,#091421 70%);padding:34px;overflow:auto}
.light-vessel{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:18px;max-width:850px;margin:15px auto 38px;align-items:center}.light-vessel button{min-height:170px;background:#0c192a;border-color:#496078;display:flex;flex-direction:column;justify-content:center;align-items:center}.light-vessel button.active,.tool-cycle button.active,.human-stack button.active{border-color:var(--gold);box-shadow:0 0 28px #e8ca8d26;background:#1b3048}.light-vessel strong{font-size:22px;color:#f1dcae}.light-vessel small{color:var(--muted)}
.flow-arrow{font-size:52px;line-height:1;color:#88c5e8;text-shadow:0 0 18px #7abce7}.flow-arrow.up{color:#d9bc82}.vessel-glow{font-size:58px;line-height:1;color:#fff2c9;text-shadow:0 0 18px #fff,0 0 45px #e8ca8d}
.tool-cycle{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:12px;align-items:center;max-width:920px;margin:auto}.tool-cycle>i{font-style:normal;color:var(--gold);font-size:28px}.tool-cycle button{min-height:125px;background:#102036}.tool-cycle button span,.tool-cycle button strong,.tool-cycle button small{display:block}.tool-cycle button span{color:var(--gold);font-size:13px}.tool-cycle button strong{font-size:21px}.tool-cycle button small{color:var(--muted)}
.study-note{max-width:920px;margin:24px auto 0;padding:15px 18px;border-right:3px solid var(--gold);background:#e8ca8d0a}.study-note strong,.study-note span,.study-note small{display:block}.study-note span{color:#f0d9a9;margin:4px 0}.study-note small{color:var(--muted)}
.human-map{display:grid;grid-template-columns:minmax(280px,560px) 140px;gap:28px;justify-content:center;align-items:center}.human-stack{display:flex;flex-direction:column;gap:8px}.human-stack button{min-height:65px;background:linear-gradient(90deg,#12243a,#0b1828);border-color:#405773}.human-stack button strong,.human-stack button small{display:block}.human-stack button strong{font-size:19px;color:#efd8a7}.human-stack button small{color:var(--muted)}.soul-levels{display:flex;flex-direction:column;gap:9px}.soul-levels span{padding:9px;text-align:center;border-radius:50%;border:1px solid #83afd0;background:#10253b;box-shadow:0 0 16px #75a8cc18}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:950px;margin:30px auto 0}.timeline article{padding:15px;border:1px solid var(--line);border-radius:12px;background:#0c192a}.timeline b,.timeline span,.timeline small{display:block}.timeline b{color:var(--gold)}.timeline span{margin:4px 0}.timeline small{color:var(--muted)}
.space-transition{position:absolute;transform:translate(-50%,-50%);width:180px;padding:7px 10px;text-align:center;background:#0a1728ed;border:1px solid #665b43;color:#efd9a9;z-index:3}.space-transition strong,.space-transition small{display:block}.space-transition strong{font-size:14px}.space-transition small{font-size:11px;color:#aebed0}.space-transition.lot{border-color:#d5a759;box-shadow:0 0 20px #d5a75922}.earth-label{position:absolute;transform:translateX(-50%);text-align:center;color:#d6ad87}.earth-label strong,.earth-label small{display:block}.earth-label small{font-size:11px;color:#aebed0}
@media(max-width:1050px){.segmented button{padding:6px 9px;font-size:13px}.space-transition{width:145px}.space-transition strong{font-size:12px}.space-transition small{display:none}.transition-steps{grid-template-columns:1fr}.transition-steps article:not(:last-child):after{content:'↓';left:50%;top:auto;bottom:-16px}.study-view{padding:22px}}
@media(max-width:850px){.light-vessel,.timeline{grid-template-columns:1fr}.tool-cycle{grid-template-columns:1fr}.tool-cycle>i{transform:rotate(-90deg);text-align:center}.human-map{grid-template-columns:1fr}.soul-levels{flex-direction:row;flex-wrap:wrap;justify-content:center}.soul-levels span{min-width:80px}.space-transition{left:16%!important;width:115px;padding:5px}.space-label{width:130px}.study-view{height:auto;min-height:520px}}