.bo-article > * { max-width: 880px; }
.bo-article > #fig-03 { max-width: none; }
.bo-article > h2, .bo-article > p, .bo-article > ol, .bo-article > ul { max-width: 68ch; }
.bo-article > h2 { margin: 52px 0 16px; }
.bo-article > p { margin-bottom: 18px; }
.bo-article > ol { padding-left: 24px; margin: 0 0 18px; }
.bo-article > ol li { margin-bottom: 10px; padding-left: 6px; }
.bo-fig { margin: 30px 0 34px; }
.bo-board { background: var(--board); border: 1px solid var(--hairline); padding: 24px 26px; }
.bo-head {
font-family: var(--font-gauge); font-weight: 600; font-size: 0.8rem;
letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft);
margin-bottom: 14px;
}
.bo-src { margin-top: 12px; font-size: 0.86rem; color: var(--galv-deep); }
.bo-src a { color: var(--galv-deep); }
.bo-src a:hover { color: var(--primary); }
.bo-beside { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr); gap: 32px; align-items: start; margin: 0 0 18px; }
.bo-beside > p { margin: 0; }
.bo-beside .bo-fig { margin: 4px 0 0; }
@media (max-width: 860px) { .bo-beside { grid-template-columns: 1fr; gap: 6px; } .bo-beside .bo-fig { margin: 24px 0 18px; } }
table.bo-cat { font-size: 0.95rem; }
table.bo-cat td:first-child { white-space: nowrap; font-family: var(--font-gauge); font-weight: 600; letter-spacing: 0.04em; color: var(--primary); }
table.bo-cat tr.bo-hot td { font-weight: 600; color: var(--primary); }
table.bo-cat tr.bo-hot td:first-child { box-shadow: inset 3px 0 0 var(--datum); padding-left: 14px; }
.bo-line { margin-top: 20px; padding-top: 16px; border-top: 2px solid var(--primary); font-size: 0.97rem; }
.bo-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.bo-pair figure { margin: 0; }
.bo-svg { display: block; width: 100%; height: auto; }
.bo-svg text { font-family: var(--font-gauge); font-weight: 600; font-size: 12px; letter-spacing: 0.06em; fill: var(--ink-soft); }
.bo-svg .ink { stroke: var(--primary); fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.bo-svg .hair { stroke: var(--hairline); fill: none; stroke-width: 1.2; }
.bo-svg .galv { stroke: var(--galv); fill: none; stroke-width: 2; }
.bo-svg .solid { fill: var(--primary); }
.bo-svg .boardfill { fill: var(--board); }
.bo-svg .conc { fill: var(--concrete); }
.bo-svg .cord { stroke: var(--datum); stroke-width: 2.5; fill: none; stroke-linecap: round; }
.bo-svg .handle { fill: var(--datum); }
.bo-svg .arrow { stroke: var(--primary); stroke-width: 1.6; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.bo-svg .door-out { stroke: var(--primary); stroke-width: 9; fill: none; }
.bo-svg .door-in { stroke: var(--concrete); stroke-width: 3; fill: none; }
.bo-svg .door-out, .bo-svg .door-in { stroke-dasharray: 120 600; }
.bo-svg .lbl-strong { fill: var(--primary); }
.bo-pair .bo-head { margin-bottom: 8px; }
@media (max-width: 640px) { .bo-pair { grid-template-columns: 1fr; gap: 26px; } }
.bo-strip { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border: 1px solid var(--hairline); background: var(--board); counter-reset: none; }
.bo-strip > li { border-left: 1px solid var(--hairline); padding: 14px 12px 16px; display: flex; flex-direction: column; gap: 8px; }
.bo-strip > li:first-child { border-left: none; }
.bo-strip > li svg { margin-top: auto; }
.bo-strip .bo-svg text { font-size: 15px; }
.bo-stage { display: flex; align-items: baseline; gap: 8px; }
.bo-stage b {
font-family: var(--font-gauge); font-weight: 600; font-size: 1.7rem; line-height: 1;
color: var(--primary); font-variant-numeric: tabular-nums;
}
.bo-stage span { font-family: var(--font-gauge); font-weight: 600; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); line-height: 1.25; }
.bo-note { margin-top: 16px; padding-left: 14px; border-left: 2px solid var(--primary); font-size: 0.95rem; max-width: 70ch; }
@media (max-width: 900px) {
.bo-strip { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: minmax(230px, 42%); overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain; }
.bo-strip > li { scroll-snap-align: start; }
}
@media (max-width: 560px) {
.bo-strip { grid-auto-columns: 78%; }
.bo-board { padding: 18px 16px; }
}
.bo-strip .mv { transform-box: fill-box; }
.mo-in .bo-strip .s1-cord { animation: bo-pull 0.55s var(--ease-settle) 0.2s both; }
.mo-in .bo-strip .s1-click { animation: bo-show 0.3s var(--ease-settle) 0.75s both; }
.mo-in .bo-strip .s2-door { animation: bo-raise 0.9s var(--ease-settle) 1.1s both; }
.mo-in .bo-strip .s2-arrow { animation: bo-show 0.3s var(--ease-settle) 1.1s both; }
.mo-in .bo-strip .s3-door { animation: bo-lower 0.9s var(--ease-settle) 2.2s both; }
.mo-in .bo-strip .s3-arrow { animation: bo-show 0.3s var(--ease-settle) 2.2s both; }
.mo-in .bo-strip .s4-cord { animation: bo-pull 0.55s var(--ease-settle) 3.3s both; }
.mo-in .bo-strip .s4-pin { animation: bo-level 0.6s var(--ease-settle) 3.85s both; transform-origin: 0 50%; }
.mo-in .bo-strip .s5-i1 { animation: bo-show 0.3s var(--ease-settle) 4.6s both; }
.mo-in .bo-strip .s5-i2 { animation: bo-show 0.3s var(--ease-settle) 4.85s both; }
.mo-in .bo-strip .s5-i3 { animation: bo-show 0.3s var(--ease-settle) 5.1s both; }
.mo-in .bo-strip .s2-door-t { animation: bo-slide 0.9s var(--ease-settle) 1.1s both; }
.mo-in .bo-strip .s3-door-t { animation: bo-slideback 0.9s var(--ease-settle) 2.2s both; }
@keyframes bo-slide { from { transform: none; } to { transform: translateX(59px); } }
@keyframes bo-slideback { from { transform: translateX(59px); } to { transform: none; } }
@keyframes bo-pull { from { transform: translateY(-14px); } to { transform: none; } }
@keyframes bo-show { from { opacity: 0; } to { opacity: 1; } }
@keyframes bo-raise { from { stroke-dashoffset: 0; } to { stroke-dashoffset: -70; } }
@keyframes bo-lower { from { stroke-dashoffset: -70; } to { stroke-dashoffset: 0; } }
@keyframes bo-level { from { transform: rotate(-35deg); } to { transform: none; } }
@media (prefers-reduced-motion: reduce) { .bo-strip * { animation: none !important; } }
.bo-quote blockquote.levee { margin: 0; }
.bo-quote .bo-src { padding-left: 64px; }
.bo-two { display: grid; grid-template-columns: 1.2fr 1fr; gap: 0; border: 1px solid var(--hairline); background: var(--board); }
.bo-two > div { padding: 22px 24px; }
.bo-two > div + div { border-left: 1px solid var(--hairline); }
.bo-two dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; font-size: 0.93rem; }
.bo-two dt { font-family: var(--font-gauge); font-weight: 600; font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); padding-top: 3px; }
.bo-two dd { margin: 0; }
.bo-two ol { padding-left: 20px; font-size: 0.95rem; }
.bo-two ol li { margin-bottom: 8px; }
@media (max-width: 700px) {
.bo-two { grid-template-columns: 1fr; }
.bo-two > div + div { border-left: none; border-top: 1px solid var(--hairline); }
.bo-two dl { grid-template-columns: 1fr; gap: 2px; }
.bo-two dd { margin-bottom: 8px; }
}
.bo-check { border-left: 3px solid var(--datum); }
.bo-check ul, .bo-ticks { list-style: none; }
.bo-check li { padding-left: 30px; margin-bottom: 10px; background: url("/assets/micro/bullet.svg") 0 0.52em / 18px auto no-repeat; }
.bo-foot { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--hairline); font-weight: 600; color: var(--primary); }
.bo-ticks li { margin-bottom: 4px; }
.bo-ticks label { display: flex; gap: 14px; align-items: flex-start; padding: 9px 0; border-bottom: 1px solid var(--hairline); cursor: pointer; }
.bo-ticks input { appearance: none; -webkit-appearance: none; flex: none; width: 22px; height: 22px; margin-top: 2px; border: 1.5px solid var(--primary); background: var(--paper); display: grid; place-content: center; cursor: pointer; }
.bo-ticks input::after { content: ""; width: 12px; height: 3px; background: var(--datum); transform: scaleX(0); transform-origin: left center; transition: transform var(--t) var(--ease-settle); }
.bo-ticks input:checked::after { transform: scaleX(1); }
.bo-ticks input:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.bo-ticks input:checked + span { color: var(--ink-soft); }
.bo-cyc { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start; }
.bo-cyc p { font-size: 0.95rem; }
.bo-cyc .bo-big { font-family: var(--font-gauge); font-weight: 600; font-size: 1.15rem; color: var(--primary); letter-spacing: 0.02em; margin-top: 10px; }
.bo-batt { display: grid; grid-template-columns: 120px 1fr; gap: 18px; align-items: center; }
@media (max-width: 640px) { .bo-cyc { grid-template-columns: 1fr; } }
.bo-seq { list-style: none; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.bo-seq li {
position: relative; border: 1px solid var(--primary); background: var(--paper);
padding: 12px 12px 14px; font-size: 0.93rem; line-height: 1.35; color: var(--primary); font-weight: 500;
}
.bo-seq li b { display: block; font-family: var(--font-gauge); font-weight: 600; font-size: 0.74rem; letter-spacing: 0.14em; color: var(--ink-soft); margin-bottom: 6px; }
.bo-seq li + li::before { content: ""; position: absolute; left: -15px; top: 50%; width: 14px; height: 1.5px; background: var(--primary); }
.bo-tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 22px; border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.bo-tile { padding: 18px 20px 16px; }
.bo-tile + .bo-tile { border-left: 1px solid var(--hairline); }
.bo-tile .bo-read { font-size: 0.98rem; color: var(--ink-soft); }
.bo-tile .k { display: block; font-family: var(--font-gauge); font-weight: 600; font-size: 0.78rem; letter-spacing: 0.13em; text-transform: uppercase; }
.bo-tile b { display: block; font-family: var(--font-gauge); font-weight: 600; font-size: clamp(1.4rem, 2.6vw, 1.9rem); line-height: 1.15; color: var(--primary); margin: 4px 0 2px; font-variant-numeric: tabular-nums; }
@media (max-width: 900px) {
.bo-seq { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.bo-seq li:nth-child(4)::before { display: none; }
}
@media (max-width: 560px) {
.bo-seq { grid-template-columns: 1fr; gap: 10px; }
.bo-seq li + li::before { left: 22px; top: -11px; width: 1.5px; height: 10px; }
.bo-seq li:nth-child(4)::before { display: block; }
.bo-tiles { grid-template-columns: 1fr; }
.bo-tile + .bo-tile { border-left: none; border-top: 1px solid var(--hairline); }
}
.bo-article .refs ul { padding-left: 22px; font-size: 0.93rem; color: var(--ink-soft); overflow-wrap: anywhere; }
.bo-article .refs li { margin-bottom: 10px; }