/* 取舍记录、适配记录的小画面（assets/art.js 画的） */
.b5-ctl { margin-bottom: 10px; }
.seg.sm button { padding: 4px 12px; font-size: 13px; }
.b5-row { align-items: start; }
.b5-row .lib img, .b2 img { display: block; max-width: 100%; height: auto; }
.b5-im { display: block; }
.b-cap { margin: 10px 0 0; font-size: 13.5px; line-height: 1.7; color: var(--muted); }
.b2 { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 14px; align-items: center; }
.b2 .lab { margin-bottom: 6px; white-space: normal; }
.b2 img { border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.b2-ar { font-size: 20px; color: var(--muted); }
@media (max-width: 640px) { .b2 { grid-template-columns: 1fr; } .b2-ar { transform: rotate(90deg); justify-self: center; } }

/* 示意：几个选项并排 */
.skx { display: grid; grid-template-columns: repeat(var(--n, 3), minmax(0, 1fr)); gap: 12px; }
@media (max-width: 760px) { .skx { grid-template-columns: 1fr; } }
.skx-o { display: flex; flex-direction: column; gap: 10px; padding: 12px 14px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.skx-o.on { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.skx-l { display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 600; color: var(--ink); line-height: 1.4; }
.skx-l b { flex: none; width: 20px; height: 20px; border-radius: 50%; background: var(--soft); color: var(--sub); font: 600 11px/20px var(--mono); text-align: center; }
.skx-o.on .skx-l b { background: var(--ink); color: #fff; }
.skx-l em { margin-left: auto; font-style: normal; font-size: 11.5px; font-weight: 600; padding: 1px 7px; border-radius: 999px; background: var(--ink); color: #fff; white-space: nowrap; }
.skx-p { padding: 14px 12px; border-radius: 8px; background: var(--soft2); min-height: 60px; display: flex; flex-direction: column; justify-content: center; gap: 8px; }
.skx-p:empty { display: none; }
.skx-o p { margin: 0; font-size: 13px; line-height: 1.7; color: var(--sub); }
.sk1 { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 18px 28px; padding: 16px; border-radius: 10px; background: var(--soft2); }

/* 示意里的小零件（黑白，照控件规格的大小缩小画） */
.mi-key { display: inline-flex; align-items: center; justify-content: center; min-width: 22px; height: 22px; padding: 0 6px; margin: 0 2px; border: 1px solid var(--line2); border-bottom-width: 2px; border-radius: 5px; background: #fff; font: 600 11.5px var(--sans); color: var(--ink); vertical-align: middle; white-space: nowrap; }
.mi-ic { display: inline-flex; color: var(--muted); }
.mi-ic svg { display: block; }
.ring { outline: 2px solid var(--ink); outline-offset: 2px; }
.dim { opacity: 0.45; }
.mi-thead { display: flex; border: 1px solid var(--line2); border-radius: 6px; overflow: visible; background: #fff; font-size: 12.5px; }
.mi-th { display: inline-flex; align-items: center; gap: 4px; padding: 8px 10px; color: var(--ink); font-weight: 600; white-space: nowrap; border-right: 1px solid var(--line); }
.mi-th:last-child { border-right: 0; color: var(--muted); }
.mi-th.pad0 { padding: 5px 6px; }
.mi-th.ring { border-radius: 2px; }
.mi-sb { display: inline-flex; align-items: center; gap: 4px; padding: 3px 4px; border-radius: 4px; }
.mi-sb .mi-ic { color: var(--ink); }
.mi-cbc { padding: 8px; }
.mi-cb { display: inline-block; width: 13px; height: 13px; border: 1.5px solid var(--line2); border-radius: 3px; background: #fff; flex: none; }
.mi-cb.on { background: var(--ink); border-color: var(--ink); }
.mi-cells { display: flex; gap: 18px; justify-content: center; }
.mi-cell { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 44px; border: 1px dashed var(--line2); border-radius: 4px; background: #fff; }
.mi-cell.hit, .mi-cb.hit { background: repeating-linear-gradient(135deg, rgba(10, 10, 10, 0.16) 0 3px, transparent 3px 7px), #fff; border-color: var(--ink); }
.mi-cap2 { display: flex; justify-content: center; gap: 18px; font-size: 12px; color: var(--muted); text-align: center; }
.mi-keys { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px; }
.mi-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.mi-field { display: inline-flex; align-items: center; justify-content: space-between; gap: 6px; min-width: 96px; height: 28px; padding: 0 8px; border: 1px solid var(--line2); border-radius: 5px; background: #fff; font-size: 12px; color: var(--faint); white-space: nowrap; }
.mi-field.typed { color: var(--ink); font-family: var(--mono); font-size: 11.5px; }
.mi-field b { font-weight: 400; }
.mi-caret { display: inline-block; width: 1px; height: 13px; margin-left: 1px; background: var(--ink); vertical-align: middle; }
.mi-btn { display: inline-flex; align-items: center; height: 28px; padding: 0 12px; border: 1px solid var(--line2); border-radius: 5px; background: #fff; font-size: 12px; color: var(--ink); white-space: nowrap; }
.mi-btn.dark { background: var(--ink); border-color: var(--ink); color: #fff; }
.mi-under { font-size: 12px; color: var(--muted); line-height: 2; }
.mi-pop { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; width: 180px; padding: 8px; border: 1px solid var(--line2); border-radius: 6px; background: #fff; box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1); }
.mi-pop.sm { width: 150px; grid-template-columns: repeat(7, 1fr); }
.mi-pop i { height: 14px; border-radius: 3px; background: var(--soft); }
.mi-pop i.ring { background: var(--ink); }
.mi-say { position: relative; display: inline-block; margin-top: 8px; padding: 5px 10px; border-radius: 8px; background: var(--ink); color: #fff; font-size: 12px; line-height: 1.5; }
.mi-say::before { content: ''; position: absolute; left: 14px; top: -5px; border: 5px solid transparent; border-top: 0; border-bottom-color: var(--ink); }
.sk1.says > div { display: flex; flex-direction: column; align-items: flex-start; }
.mi-cbrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--ink); }
.mi-dlg { width: 200px; padding: 10px 12px 12px; border-radius: 8px; background: #fff; box-shadow: 0 6px 20px rgba(0, 0, 0, 0.16); }
.mi-dlg.gone { opacity: 0.25; }
.mi-dh { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; font-size: 12.5px; }
.mi-dh b { font-weight: 600; color: var(--ink); }
.mi-x { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 4px; color: var(--muted); }
.mi-x.big { width: 28px; height: 28px; border: 1px solid var(--line2); background: #fff; color: var(--ink); }
.mi-dlg.tab .mi-x { outline: 1.5px dashed var(--muted); outline-offset: 1px; }
.mi-row { display: flex; flex-direction: column; gap: 3px; margin-top: 6px; }
.mi-row small { font-size: 11px; color: var(--muted); }
.mi-row span { height: 22px; border: 1px solid var(--line2); border-radius: 4px; background: #fff; }
.mi-row.ring { outline: 0; }
.mi-row.ring span { outline: 2px solid var(--ink); outline-offset: 1px; }
.mi-foot { display: flex; justify-content: flex-end; gap: 6px; margin-top: 10px; }
.mi-foot .mi-btn { height: 22px; padding: 0 8px; font-size: 11px; }
.mi-mask { position: relative; display: flex; justify-content: center; padding: 18px 12px 26px; border-radius: 6px; background: rgba(10, 10, 10, 0.42); }
.mi-click { position: absolute; left: 10px; bottom: 6px; padding-left: 16px; font-size: 11.5px; color: #fff; }
.mi-click::before { content: ''; position: absolute; left: 0; top: 3px; width: 10px; height: 10px; border: 2px solid #fff; border-radius: 50%; }
.mi-steps { margin: 0; padding-left: 20px; font-size: 13.5px; line-height: 1.8; color: var(--sub); flex: 1 1 260px; }
.mi-steps b { margin-right: 8px; color: var(--ink); }
.mi-two { display: flex; gap: 12px; flex-wrap: wrap; }
.mi-two > div { display: flex; flex-direction: column; gap: 6px; }
.mi-two small { font-size: 11.5px; color: var(--muted); }
.mi-two .mi-dlg { width: 150px; }
.mi-note { font-size: 11.5px; color: var(--ink); }
.mi-tl { flex: 1 1 100%; position: relative; padding-top: 22px; }
.mi-axis { position: absolute; left: 92px; right: 0; top: 0; height: 16px; border-bottom: 1px solid var(--line2); font: 11px var(--mono); color: var(--muted); }
.mi-axis span { position: absolute; top: 0; transform: translateX(-2px); }
.mi-tr { position: relative; height: 52px; margin-left: 92px; border-bottom: 1px dashed var(--line); }
.mi-tr > b { position: absolute; left: -92px; top: 16px; width: 86px; font-size: 12.5px; color: var(--ink); }
.mi-ev { position: absolute; top: 12px; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.mi-ev small { font-size: 11.5px; color: var(--sub); }
@media (max-width: 640px) { .mi-tr { height: 64px; } .mi-ev { flex-direction: column; align-items: flex-start; gap: 2px; } .mi-ev small { white-space: normal; max-width: 120px; } }

/* 规范层的三样：角色、规格（开关的尺寸图）、图标（第 00 篇、第 03 篇） */
.sp3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 760px) { .sp3 { grid-template-columns: 1fr; } }
.spx { display: flex; flex-direction: column; gap: 8px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.sp-h { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 4px; }
.sp-h b { font-size: 15px; color: var(--ink); }
.sp-h code { font-size: 11.5px; }
.spx p { margin: auto 0 0; padding-top: 6px; font-size: 13px; color: var(--muted); line-height: 1.6; }
.rrow { display: grid; grid-template-columns: 22px 1fr auto; align-items: center; gap: 10px; font-size: 13.5px; }
.rrow i { width: 22px; height: 22px; border-radius: 5px; }
.rrow i.hh { background: linear-gradient(var(--ink), var(--ink)) center / 2px 100% no-repeat; border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); border-radius: 0; width: 12px; justify-self: center; }
.rrow b { font-weight: 500; color: var(--ink); }
.rrow span { font: 12px var(--mono); color: var(--muted); }
.swd { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; padding: 6px 0 2px 4px; }
.swd-w { position: relative; width: 88px; height: 14px; border-left: 1px solid var(--muted); border-right: 1px solid var(--muted); }
.swd-w::before { content: ''; position: absolute; left: 0; right: 0; top: 7px; border-top: 1px solid var(--muted); }
.swd-w span { position: absolute; left: 50%; top: -3px; transform: translateX(-50%); padding: 0 4px; background: #fff; font: 11px var(--mono); color: var(--sub); }
.swd-row { display: flex; align-items: center; gap: 8px; }
.swd-t { position: relative; width: 88px; height: 44px; border-radius: 22px; background: var(--ink); }
.swd-t i { position: absolute; right: 4px; top: 4px; width: 36px; height: 36px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3); }
.swd-h { position: relative; height: 44px; width: 14px; border-top: 1px solid var(--muted); border-bottom: 1px solid var(--muted); }
.swd-h::before { content: ''; position: absolute; top: 0; bottom: 0; left: 7px; border-left: 1px solid var(--muted); }
.swd-h span { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font: 11px var(--mono); color: var(--sub); }
.swd-n { display: flex; flex-wrap: wrap; gap: 4px 10px; margin-top: 4px; font-size: 12.5px; color: var(--sub); }
.ics { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 10px 12px; }
.ics small { font-size: 12px; color: var(--muted); }
.ico-row { display: flex; gap: 10px; color: var(--ink); }

/* 页面骨架和业务状态（第 04 篇） */
.skel { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 18px; align-items: stretch; }
@media (max-width: 640px) { .skel { grid-template-columns: 1fr; } }
.sk-page { display: flex; flex-direction: column; border: 1.5px solid var(--ink); border-radius: 8px; overflow: hidden; background: #fff; font-size: 13px; }
.sk-top { display: flex; justify-content: space-between; align-items: center; height: 36px; padding: 0 12px; border-bottom: 1px solid var(--line2); }
.sk-top span, .sk-side span { font: 12px var(--mono); color: var(--muted); }
.sk-mid { display: flex; min-height: 210px; }
.sk-side { display: flex; flex-direction: column; gap: 2px; width: 30%; padding: 10px 12px; border-right: 1px solid var(--line2); background: var(--soft2); }
.sk-side small { font-size: 11.5px; color: var(--muted); }
.sk-main { flex: 1; display: flex; flex-direction: column; gap: 8px; padding: 10px; background: var(--soft); }
.sk-bc { font-size: 12px; color: var(--muted); }
.sk-filter, .sk-table { padding: 8px 10px; border-radius: 6px; background: #fff; border: 1px solid var(--line); }
.sk-table { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.sk-table small { font-size: 11.5px; color: var(--muted); }
.sk-state { display: flex; flex-direction: column; gap: 6px; padding: 14px 16px; border-radius: 8px; background: var(--ink); color: #fff; font-size: 13.5px; }
.sk-state b { font-size: 15px; color: #fff; margin-bottom: 4px; }
.sk-state span::before { content: '· '; color: #a3a3a3; }
.sk-state em { margin-top: auto; padding-top: 8px; font-style: normal; font-size: 12.5px; color: #bdbdbd; }

/* 两张并排 */
.c2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.c2 > div > img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.c2 .lab { margin-bottom: 6px; }
@media (max-width: 640px) { .c2 { grid-template-columns: 1fr; } }

/* 第 01 篇 1.3：五个库标上用什么写的 */
.libs.fw5 .lab { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.libs.fw5 img { width: 100%; height: auto; }
/* 第 01 篇 1.4：一份状态，两边画 */
.st1 { display: grid; grid-template-columns: minmax(0, 1fr) 190px minmax(0, 1fr); gap: 16px; align-items: center; }
.st1-v .lab { margin-bottom: 6px; }
.st1-v img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 8px; }
.st1-c { position: relative; display: flex; flex-direction: column; gap: 5px; padding: 14px 16px; border-radius: 10px; background: var(--ink); color: #fff; font-size: 13.5px; }
.st1-c b { font-size: 15px; color: #fff; margin-bottom: 4px; }
.st1-c span::before { content: '· '; color: #a3a3a3; }
.st1-c em { margin-top: 6px; font-style: normal; font: 11px/1.4 var(--mono); color: #a3a3a3; overflow-wrap: anywhere; }
.st1-c::before, .st1-c::after { content: '→'; position: absolute; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 18px; }
.st1-c::before { left: -15px; transform: translateY(-50%) scaleX(-1); }
.st1-c::after { right: -15px; }
@media (max-width: 760px) { .st1 { grid-template-columns: 1fr; } .st1-c::before, .st1-c::after { display: none; } }
/* 第 01 篇 1.8：两个开关，四个格子 */
.m22 { display: grid; grid-template-columns: 80px repeat(2, minmax(0, 1fr)); gap: 10px 14px; align-items: stretch; }
.m22-h { align-self: end; font-size: 13.5px; color: var(--ink); text-align: center; }
.m22-r { align-self: center; font-size: 13.5px; color: var(--ink); }
.m22-c { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.m22-c img { display: block; max-width: 100%; max-height: 260px; width: auto; height: auto; }
.m22-c span { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.m22-c small { font-size: 12.5px; color: var(--muted); text-align: center; }
.m22-c.no { border-style: dashed; background: var(--soft2); }
.m22-c.no span { color: var(--muted); }
.m22-c.on { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
@media (max-width: 560px) { .m22 { grid-template-columns: 56px repeat(2, minmax(0, 1fr)); gap: 8px; } .m22-c { padding: 8px; } }

/* 收起来的对照表、文件清单：点开看 */
details.flist { margin: 0 0 22px; }
details.flist > summary { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 12px; border: 1px solid var(--line2); border-radius: 999px; cursor: pointer; font-size: 14px; color: var(--ink); list-style: none; }
details.flist > summary::-webkit-details-marker { display: none; }
details.flist > summary::before { content: ''; width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(-45deg); transition: transform 0.15s; }
details.flist[open] > summary::before { transform: rotate(45deg); }
details.flist > summary:hover { border-color: var(--ink); }
details.flist > summary .n { color: var(--muted); }
details.flist[open] > summary { margin-bottom: 14px; }

/* 第 02 篇 2.21：规范的角色 → shadcn/ui 的变量 */
.vmap { display: flex; flex-direction: column; gap: 10px; }
.vm-r { display: grid; grid-template-columns: minmax(0, 1fr) 36px minmax(0, 1.3fr) 110px; align-items: center; gap: 10px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.vm-role { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink); }
.vm-role i { width: 18px; height: 18px; border-radius: 4px; flex: none; }
.vm-role i.rr { border: 2px solid var(--ink); border-radius: 6px; background: #fff; }
.vm-ar { height: 1px; background: var(--muted); position: relative; }
.vm-ar::after { content: ''; position: absolute; right: 0; top: -3px; border: 3.5px solid transparent; border-left: 6px solid var(--muted); border-right: 0; }
.vm-var { display: flex; flex-direction: column; gap: 2px; font-size: 13px; color: var(--sub); }
.vm-var code { align-self: flex-start; }
.vm-eg { justify-self: end; }
@media (max-width: 640px) { .vm-r { grid-template-columns: 1fr; gap: 6px; } .vm-ar { display: none; } .vm-eg { justify-self: start; } }
/* 第 02 篇 2.29：改不了的高度，三个库三种办法 */
.tiers { display: flex; flex-direction: column; gap: 14px; }
.ti-r { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 8px 16px; align-items: center; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.ti-r > b { font-size: 14px; color: var(--ink); grid-row: span 2; }
.ti-s { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.ti-box { display: inline-flex; flex-direction: column; align-items: center; justify-content: center; min-width: 64px; padding: 6px 10px; border-radius: 6px; background: var(--ink); color: #fff; font: 600 15px var(--mono); }
.ti-box small { font: 400 11px var(--sans); color: #bdbdbd; }
.ti-box.fixed { background: #fff; color: var(--ink); border: 1.5px dashed var(--line2); }
.ti-box.fixed small { color: var(--muted); }
.ti-op { position: relative; padding-right: 22px; font-size: 13px; color: var(--sub); }
.ti-op::after { content: '→'; position: absolute; right: 2px; color: var(--muted); }
.ti-ruler { position: relative; height: 46px; margin: 0 26px 4px; border-bottom: 2px solid var(--line2); }
.ti-ruler span { position: absolute; bottom: -2px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; padding-bottom: 6px; font: 600 13px var(--mono); color: var(--muted); }
.ti-ruler span::after { content: ''; position: absolute; bottom: 0; width: 2px; height: 6px; background: var(--line2); }
.ti-ruler span small { font: 400 11px var(--sans); }
.ti-ruler span.pick { color: var(--ink); }
.ti-ruler span.pick::after { background: var(--ink); }
.ti-want { position: absolute; top: -2px; transform: translateX(-50%); padding: 1px 7px; border-radius: 999px; background: var(--bad); color: #fff; font: normal 600 11.5px var(--sans); white-space: nowrap; }
.ti-want::after { content: ''; position: absolute; left: 50%; bottom: -24px; height: 22px; border-left: 1.5px dashed var(--bad); }
@media (max-width: 560px) { .ti-r { grid-template-columns: 1fr; } .ti-r > b { grid-row: auto; } }
/* 第 02 篇 2.45：菜单图标 14 和 20 */
.ic14 { display: flex; flex-wrap: wrap; gap: 16px; }
.ic14 > div { display: flex; flex-direction: column; gap: 8px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: #fff; min-width: 220px; }
.ic14 small { font-size: 12.5px; color: var(--muted); }
.ic-row { display: flex; align-items: center; gap: 10px; height: 40px; padding: 0 12px; border-radius: 6px; background: var(--soft2); font-size: 14px; color: var(--ink); }
.ic-row .ico { display: inline-flex; }
.ic-row em { margin-left: auto; font: normal 12px var(--mono); color: var(--bad); }
/* 第 03 篇 3.3：开关的四个数 */
.sw3 { display: flex; flex-wrap: wrap; align-items: center; gap: 22px 36px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.sw3-t { display: flex; flex-direction: column; gap: 4px; font-size: 13.5px; color: var(--sub); }
.sw3-t b { font-family: var(--mono); color: var(--ink); }
.sw3-i img { display: block; max-width: 240px; height: auto; }
/* 第 03 篇 3.14：开关的规格，开、关、禁用 */
.swspec { display: flex; flex-wrap: wrap; align-items: center; gap: 24px 40px; padding: 18px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.sws-s { display: flex; flex-wrap: wrap; gap: 20px; }
.sws-s > div { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.sws-s small { font-size: 12px; line-height: 1.5; color: var(--sub); text-align: center; }
.sws { position: relative; display: block; width: 88px; height: 44px; border-radius: 22px; background: #D4D4D4; }
.sws i { position: absolute; left: 4px; top: 4px; width: 36px; height: 36px; border-radius: 50%; background: #fff; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); }
.sws.on { background: #0A0A0A; }
.sws.on i { left: auto; right: 4px; }
.sws.dis { opacity: 0.5; }
/* 第 04 篇 4.5：展开、收起两种 */
.lay2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.lay2 .lab { margin-bottom: 6px; }
.lay2 .sk-mid { min-height: 150px; }
.sk-side.nar { width: 16%; align-items: center; }
@media (max-width: 640px) { .lay2 { grid-template-columns: 1fr; } }
/* 第 04 篇 4.6：Logo 对准收起的侧栏 */
.lg32 { position: relative; height: 250px; border: 1.5px solid var(--ink); border-radius: 8px; overflow: hidden; background: #fff; font-size: 13px; }
.lg-top { position: absolute; left: 0; right: 0; top: 0; height: 112px; display: flex; align-items: center; gap: 12px; padding-left: 36px; }
.lg-m { width: 56px; height: 56px; border-radius: 8px; background: var(--ink); color: #fff; font: 700 26px/56px var(--sans); text-align: center; }
.lg-t { font-size: 18px; font-weight: 600; color: var(--ink); }
.lg-b { margin-left: auto; margin-right: 32px; height: 64px; padding: 0 22px; border: 1px solid var(--line2); border-radius: 8px; line-height: 64px; color: var(--sub); }
.lg-line { position: absolute; left: 0; right: 0; top: 112px; height: 2px; background: var(--ink); }
.lg-line span { position: absolute; right: 12px; top: 6px; font-size: 12px; color: var(--muted); }
.lg-side { position: absolute; left: 0; top: 114px; bottom: 0; width: 128px; display: flex; flex-direction: column; align-items: center; gap: 22px; padding-top: 22px; border-right: 1px solid var(--line2); background: var(--soft2); color: var(--ink); }
.lg-side .ico { display: inline-flex; }
.lg-c { position: absolute; left: 64px; top: 0; bottom: 0; border-left: 1.5px dashed var(--bad); }
.lg-n { position: absolute; font: 600 12px var(--mono); color: var(--bad); white-space: nowrap; }
.lg-n.n1 { left: 6px; top: 46px; }
.lg-n.n2 { left: 46px; top: 90px; color: var(--muted); }
.lg-n.n3 { left: 70px; top: 6px; }
.lg-n.n4 { left: 20px; bottom: 8px; color: var(--muted); }
.lg-n.n5 { right: 32px; top: 6px; color: var(--muted); }
/* 第 05 篇 5.7：检查的项数 */
.grow { display: flex; align-items: flex-end; gap: 28px; height: 220px; margin-bottom: 52px; padding: 0 8px; border-bottom: 1.5px solid var(--ink); }
.gw { position: relative; flex: 1; max-width: 160px; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 6px; }
.gw b { font: 600 22px var(--mono); color: var(--ink); }
.gw i { width: 100%; border-radius: 6px 6px 0 0; background: var(--line2); }
.gw.on i { background: var(--ink); }
.gw span { position: absolute; left: 50%; top: calc(100% + 8px); width: 110px; transform: translateX(-50%); font-size: 12.5px; line-height: 1.4; color: var(--sub); text-align: center; }
/* 第 05 篇 5.12：逐字打字 */
.typ2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.typ2 .ty { display: flex; flex-direction: column; gap: 8px; padding: 14px; border-radius: 10px; background: var(--soft2); }
.typ2 .mi-dlg { width: auto; max-width: 300px; }
.typ2 .mi-row span.tx { height: 26px; padding: 0 8px; font-size: 12.5px; line-height: 24px; color: var(--ink); white-space: nowrap; overflow: hidden; }
.typ2 .ty.bad .mi-row.ring span.tx { color: var(--bad); }
.typ2 p { margin: 0; font-size: 13px; line-height: 1.7; color: var(--sub); }
@media (max-width: 640px) { .typ2 { grid-template-columns: 1fr; } }
/* 第 05 篇 5.13：量的和不量的 */
.blind { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 36px; padding: 18px; border-radius: 10px; background: var(--soft2); }
.bl-p { width: 236px; padding: 12px; border: 2px solid var(--ink); border-radius: 8px; background: #fff; }
.bl-h { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.bl-h .no { padding: 1px 6px; border: 1.5px dashed var(--muted); border-radius: 4px; font-size: 12.5px; color: var(--muted); }
.bl-g { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.bl-g i { height: 24px; border: 1.5px solid var(--ink); border-radius: 3px; }
.bl-l { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--ink); }
.bl-l li { display: flex; align-items: center; gap: 10px; }
.bl-l li::before { content: ''; width: 22px; height: 14px; border-radius: 3px; flex: none; }
.bl-l li.y::before { border: 2px solid var(--ink); }
.bl-l li.n { color: var(--sub); }
.bl-l li.n::before { border: 1.5px dashed var(--muted); }