/* 刘骁 · 等压线：一张民国时期的天气图。
   纸是海图纸的暖白，铺一层浅蓝灰的经纬网；等压线是暗红，台风路径是墨黑；配图装在双线图廓里。
   页底的等压线由脚本画在一块固定的画布上（.lx-iso），没有脚本时只剩经纬网。规则都挂在 .c-liu-xiao 下或用 lx- 前缀。 */
.c-liu-xiao {
  --bg: #f3f1ea; --paper: #fbfaf5; --ink: #1b2129; --ink-2: #444b54; --ink-3: #626972; --rule: rgba(27, 33, 41, .16);
  --acc: #9b2a26; --acc-ink: #fbfaf5; --blue: #2e5a7a; --grid: rgba(70, 100, 130, .09);
  --head: "Noto Serif SC", "Songti SC", serif; --body: "Noto Serif SC", "Songti SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; --old: "Old Standard TT", "Noto Serif SC", serif;
  --bar-bg: rgba(243, 241, 234, .9); --chip-bg: rgba(251, 250, 245, .94); --chip-ring: #fbfaf5;
  background-color: var(--bg);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 100% 120px, 120px 100%;
}
.c-liu-xiao .dlg { --dlg-bg: #eceee9; --dlg-paper: #fbfaf5; --dlg-me: #7d221f; --dlg-me-ink: #fbfaf5; --dlg-acc: #9b2a26; --dlg-ink: #1b2129; --dlg-ink-2: #444b54; --dlg-ink-3: #626972; }
.c-liu-xiao main { position: relative; z-index: 1; }
.lx-iso { position: fixed; inset: 0; z-index: 0; width: 100%; height: 100%; pointer-events: none; }
.c-liu-xiao .c3bar { border-bottom: 0; box-shadow: 0 1px 0 var(--ink), 0 4px 0 -2px var(--bar-bg), 0 5px 0 -2px var(--ink); font-family: var(--sans); }
.c-liu-xiao .c3bar__prog { background: var(--acc); height: 2px; }
.lx-k, .lx-k2, .lx-lab { margin: 0 0 8px; font: 500 12.5px/1.5 var(--sans); letter-spacing: .16em; color: var(--acc); }
.lx-k2 { color: var(--blue); }
.lx-cap { margin: 8px 0 0; font: 12.5px/1.65 var(--sans); color: var(--ink-3); }
/* 没有脚本时才出现的完整清单与标签 */
.lx-nojs { margin: 10px 0 0; padding-left: 1.4em; font-size: 14px; line-height: 1.75; }
.lx-nojs b { margin-right: 8px; font: italic 400 15px var(--old); color: var(--acc); }
.js .lx-nojs, .js .lx-pane__k { display: none; }
.lx-pane__k { margin: 14px 0 8px; font: 700 14px var(--sans); color: var(--acc); }
.no-js .lx-tabs, .no-js .lx-salt__ctl, .no-js .lx-salt__out, .no-js .lx-qd__spots, .no-js .lx-tl__y, .no-js .lx-tl__out, .no-js .lx-arm__out { display: none; }
.lx-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 6px 14px; border: 1px solid var(--ink); border-radius: 2px;
  background: var(--paper); color: var(--ink); font: 500 14px/1.2 var(--sans); cursor: pointer; }
.lx-btn:hover { background: #fff; }
.lx-btn[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.c-liu-xiao .c3-btn { border-radius: 2px; font-family: var(--sans); font-weight: 500; min-height: 42px; }
.c-liu-xiao .c3-btn--go { background: var(--acc); border-color: var(--acc); color: var(--acc-ink); }
.c-liu-xiao .c3-btn--deep { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.c-liu-xiao .c3-btn--wm { background: var(--paper); color: var(--ink); }

/* 图廓：双线外框，内外线之间有刻度 */
.lx-frame { position: relative; padding: 9px; border: 2px solid var(--ink); background: var(--paper);
  background-image: linear-gradient(90deg, var(--ink) 1px, transparent 1px), linear-gradient(90deg, var(--ink) 1px, transparent 1px),
    linear-gradient(var(--ink) 1px, transparent 1px), linear-gradient(var(--ink) 1px, transparent 1px);
  background-size: 48px 5px, 48px 5px, 5px 48px, 5px 48px; background-repeat: repeat-x, repeat-x, repeat-y, repeat-y;
  background-position: 20px 0, 20px 100%, 0 20px, 100% 20px; }
.lx-frame__in { position: relative; border: 1px solid var(--ink); background: var(--paper); }
.lx-frame img { display: block; width: 100%; height: auto; mix-blend-mode: multiply; }

/* ---------- 导航：台风路径 ---------- */
.c-liu-xiao .c3toc { right: 10px; width: 120px; height: 420px; }
.lx-trk { position: absolute; left: 0; top: 0; width: 110px; height: 420px; overflow: visible; }
.lx-trk path { fill: none; stroke: var(--ink); stroke-width: 1.3; stroke-dasharray: 4 3; opacity: .7; }
.c-liu-xiao .c3toc ol.lx-trk__l { display: block; position: absolute; inset: 0; }
.lx-trk__l li { position: absolute; left: var(--x); top: var(--y); }
.c-liu-xiao .c3toc .lx-trk__l a { position: relative; display: flex; align-items: center; gap: 6px; width: 40px; height: 40px; margin: -20px 0 0 -20px; justify-content: center; color: var(--ink-2); }
.c-liu-xiao .c3toc .lx-trk__l a::after { display: none; }
.lx-tp { display: block; width: 9px; height: 9px; border-radius: 50%; background: var(--paper); border: 1.6px solid var(--ink); transition: transform .2s; }
.c-liu-xiao .c3toc .lx-trk__l a b { position: absolute; left: 30px; top: 50%; transform: translateY(-50%); font: 500 13px/1 var(--sans); letter-spacing: .08em; white-space: nowrap; color: var(--ink-2); }
.c-liu-xiao .c3toc .lx-trk__l a span { position: absolute; right: 30px; top: 50%; transform: translateY(-50%); padding: 3px 8px; background: var(--paper); border: 1px solid var(--rule);
  font: 13px/1.4 var(--sans); color: var(--ink); max-width: 0; opacity: 0; overflow: hidden; white-space: nowrap; transition: opacity .2s; pointer-events: none; }
.c-liu-xiao .c3toc .lx-trk__l a:hover span, .c-liu-xiao .c3toc .lx-trk__l a:focus-visible span { max-width: 22em; opacity: 1; }
.c-liu-xiao .c3toc .lx-trk__l a:hover b, .c-liu-xiao .c3toc .lx-trk__l a:focus-visible b { opacity: 0; }
.c-liu-xiao .c3toc .lx-trk__l a[aria-current="true"] b { color: var(--acc); font-weight: 700; }
.c-liu-xiao .c3toc .lx-trk__l a[aria-current="true"] .lx-tp { transform: scale(0); }
.lx-trk__cy { position: absolute; left: 0; top: 0; width: 34px; height: 34px; margin: -17px 0 0 -17px; transition: transform .7s cubic-bezier(.3, .7, .3, 1); pointer-events: none; }
.no-js .lx-trk__cy { display: none; }
.lx-cy { display: block; width: 100%; height: 100%; animation: lx-spin 6s linear infinite; }
.lx-cy circle, .lx-cy path { fill: none; stroke: var(--acc); stroke-width: 2.6; stroke-linecap: round; }
@keyframes lx-spin { to { transform: rotate(-360deg); } }
@media (max-width: 1300px) { .c-liu-xiao .c3toc { right: 4px; } .c-liu-xiao .c3toc .lx-trk__l a b { display: block; font-size: 11.5px; } }

/* ---------- 首屏 ---------- */
.c-liu-xiao .c3hero { padding: calc(var(--bar) + 30px) clamp(16px, 4vw, 64px) 40px; }
.lx-hero { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr); gap: clamp(28px, 4vw, 64px); max-width: 1260px; margin: 0 auto; align-items: start; }
.lx-hero__txt { position: relative; }
.lx-name { margin: 0; font-family: var(--head); font-weight: 900; font-size: clamp(78px, 10vw, 150px); line-height: 1; letter-spacing: .14em; }
.lx-en { display: flex; flex-wrap: wrap; gap: 4px 18px; align-items: baseline; margin: 10px 0 18px; font-size: 15px; color: var(--ink-2); }
.lx-en span:first-child { font: italic 400 26px/1.2 var(--old); color: var(--ink); }
.lx-who { margin: 0 0 4px; font-size: 19px; font-weight: 600; line-height: 1.6; }
.lx-now { margin: 0 0 16px; font-size: 15px; color: var(--ink-2); line-height: 1.75; }
.lx-rel { margin: 0 0 14px; padding: 10px 14px 12px; background: rgba(251, 250, 245, .9); border-left: 3px solid var(--acc); box-shadow: 0 0 0 1px var(--rule); }
.lx-rel p { margin: 0; font-size: 15px; line-height: 1.8; }
.lx-rel .lx-lab { margin-bottom: 4px; }
.lx-books { margin: 0 0 14px; }
.lx-books ul { list-style: none; display: flex; flex-wrap: wrap; gap: 2px 18px; margin: 0; padding: 0; }
.lx-books li { display: inline-flex; align-items: baseline; gap: 6px; font-size: 15px; }
.lx-books a { text-decoration-color: rgba(155, 42, 38, .45); text-underline-offset: 3px; }
.lx-books small { font: 12px var(--sans); color: var(--ink-3); }
/* 台站表 */
.lx-st { margin: 0 0 6px; }
.lx-st ol { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.lx-st li { border-bottom: 1px solid var(--rule); }
.lx-st a { display: grid; grid-template-columns: 28px 2.6em 3.4em minmax(0, 1fr); align-items: center; gap: 10px; min-height: 40px; padding: 4px 6px; text-decoration: none; color: var(--ink); }
.lx-st a:hover { background: rgba(155, 42, 38, .06); }
.lx-st a b { font: 700 15px/1 var(--sans); }
.lx-st__y { font: italic 400 16px/1 var(--old); color: var(--acc); }
.lx-st__q { font-size: 15px; }
.lx-oct { width: 24px; height: 24px; }
.lx-oct__o { fill: var(--paper); stroke: var(--ink); stroke-width: 2; }
.lx-oct__f { fill: var(--ink); }
.lx-go { margin: 14px 0 0; }
.lx-hero__map { margin: 0; position: sticky; top: calc(var(--bar) + 16px); }
.lx-frame--hero img { max-height: calc(100vh - var(--bar) - 170px); object-fit: contain; }
.lx-leg { display: grid; gap: 2px; margin-top: 10px; font: 12.5px/1.65 var(--sans); color: var(--ink-2); }
.lx-leg__k { display: flex; align-items: center; gap: 8px; font-weight: 500; color: var(--ink); }
.lx-leg__trk, .lx-leg__iso { display: inline-block; width: 30px; height: 0; border-top: 1.5px solid var(--ink); }
.lx-leg__iso { margin-left: 10px; border-top: 3px solid #a3302b; }
.lx-leg small { font-size: 11.5px; color: var(--ink-3); }
.lx-more { display: grid; grid-template-columns: 1.2fr 1fr .8fr; gap: 24px; max-width: 1260px; margin: 36px auto 0; padding-top: 18px; border-top: 2px solid var(--ink); }
.lx-more__c { padding: 12px 16px 14px; background: rgba(251, 250, 245, .9); box-shadow: 0 0 0 1px var(--rule); }
.lx-more__c p { margin: 0; font-size: 14.5px; line-height: 1.85; }
.c-liu-xiao .lx-more .c3-feats { margin: 0; padding: 0; list-style: none; }
.c-liu-xiao .lx-more .c3-feats li { position: relative; padding: 3px 0 3px 22px; font-size: 14.5px; line-height: 1.7; }
.c-liu-xiao .lx-more .c3-feats li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 11px; height: 11px; border-radius: 50%; border: 2px solid var(--acc); }
.c-liu-xiao .lx-more .c3-links li { font-size: 14px; border-bottom-color: var(--rule); }

/* ---------- 每一问：一座台站 ---------- */
.c-liu-xiao .c3q { display: block; padding: calc(var(--bar) + 44px) clamp(16px, 4vw, 64px) 52px; }
.lx-sta { max-width: 1260px; margin: 0 auto; }
.c-liu-xiao .lx-sta__h { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; margin: 0 0 8px; padding-bottom: 10px; border-bottom: 2px solid var(--ink); color: var(--ink-2); }
.lx-oc { width: 30px; height: 30px; flex: none; }
.lx-oc__o { fill: var(--paper); stroke: var(--ink); stroke-width: 2.2; }
.lx-oc__f { fill: var(--acc); }
.lx-sta__n { font: 700 15px/1.3 var(--sans); letter-spacing: .12em; color: var(--ink); }
.c-liu-xiao .lx-sta__h b { font: italic 400 30px/1 var(--old); color: var(--acc); }
.lx-sta__w { font-size: 14.5px; }
.c-liu-xiao .c3q__q { max-width: 22em; margin: 18px 0 22px; font-size: clamp(30px, 3.4vw, 46px); line-height: 1.25; letter-spacing: .02em; text-wrap: balance; }
.lx-sta__grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: clamp(28px, 4vw, 60px); align-items: start; }
.lx-sta__txt { padding: 2px 0; background: rgba(243, 241, 234, .82); box-shadow: 0 0 22px 18px rgba(243, 241, 234, .82); }
.c-liu-xiao .c3q__lede { margin: 0 0 14px; font-size: 16.5px; line-height: 1.95; text-align: justify; }
.c-liu-xiao .c3-quote { margin: 18px 0; padding: 4px 0 4px 18px; border-left: 3px solid var(--acc); }
.c-liu-xiao .c3-quote blockquote p { font-size: 17.5px; line-height: 1.75; }
.c-liu-xiao .c3-orig { font: italic 15px/1.6 var(--old); color: var(--ink-2); }
.c-liu-xiao .c3-quote figcaption { font-family: var(--sans); color: var(--ink-3); }
.c-liu-xiao .c3-tags li { border-radius: 0; border-color: var(--ink-3); background: var(--paper); font-family: var(--sans); font-size: 12.5px; color: var(--ink-2); }
.c-liu-xiao .c3-works .mk { font-family: var(--sans); color: var(--blue); }
.c-liu-xiao .c3-works li { border-bottom: 1px dotted var(--rule); padding: 5px 0; }
.c-liu-xiao .c3-works small { font-family: var(--sans); }
.c-liu-xiao .talk { border-radius: 3px; border-color: var(--ink-3); background: var(--paper); }
.c-liu-xiao .c3-ask { border-radius: 2px; border-color: var(--ink-3); background: var(--paper); }
.c-liu-xiao .c3-deeplink { color: var(--acc); }
.c-liu-xiao .c3-talk .mk, .c-liu-xiao .c3-works .mk { letter-spacing: .14em; }

/* ---------- 青岛：扉页与年表 ---------- */
.lx-qd__row { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.lx-frame--qd { max-width: 340px; }
.lx-qd__pic { position: relative; }
.lx-qd__spots { list-style: none; margin: 0; padding: 0; }
.lx-qd__spots li { position: absolute; right: -2px; top: var(--y); transform: translateY(-50%); }
.lx-spot { display: grid; place-items: center; width: 34px; height: 34px; padding: 0; border: 2px solid var(--acc); border-radius: 50%; background: var(--paper); color: var(--acc);
  font: italic 700 16px/1 var(--old); cursor: pointer; box-shadow: 0 2px 6px rgba(0, 0, 0, .2); }
.lx-spot::before { content: ""; position: absolute; inset: -5px; border-radius: 50%; }
.lx-spot[aria-pressed="true"] { background: var(--acc); color: var(--acc-ink); }
.lx-qd__hl { position: absolute; left: 4%; right: 9%; height: 7%; border: 2px dashed var(--acc); border-radius: 4px; opacity: 0; transition: top .3s, opacity .3s; pointer-events: none; transform: translateY(-50%); }
.lx-qd__hl.is-on { opacity: 1; }
.lx-qd__out { min-height: 9em; margin: 0; padding: 12px 14px; background: var(--paper); border-left: 3px solid var(--acc); font-size: 15px; line-height: 1.8; }
.lx-tl { margin-top: 20px; }
.lx-tl__y { list-style: none; position: relative; display: flex; justify-content: space-between; margin: 0; padding: 0; }
.lx-tl__y::before { content: ""; position: absolute; left: 4px; right: 4px; top: 50%; border-top: 2px solid var(--ink); }
.lx-tl__y button { position: relative; min-width: 44px; min-height: 40px; padding: 4px 6px; border: 1.5px solid var(--ink); border-radius: 20px; background: var(--paper); color: var(--ink);
  font: italic 400 15px/1 var(--old); cursor: pointer; }
.lx-tl__y button[aria-pressed="true"] { background: var(--acc); border-color: var(--acc); color: var(--acc-ink); }
.lx-tl__out { min-height: 3.6em; margin: 10px 0 0; font-size: 14.5px; line-height: 1.75; }

/* ---------- 战时：电码盘 ---------- */
.lx-code__row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; align-items: center; }
.lx-dial { display: block; width: 100%; max-width: 330px; margin: 0 auto; overflow: visible; }
.lx-dial__rim { fill: var(--paper); stroke: var(--ink); stroke-width: 3; }
.lx-dial__sep { fill: #ece7d8; stroke: var(--ink); stroke-width: 1.5; }
.lx-dial__ticks line { stroke: var(--ink); stroke-width: 1; opacity: .5; }
.lx-dial__w { font: 600 17px var(--body); text-anchor: middle; fill: var(--ink); }
.lx-dial__w.is-sun { fill: var(--acc); font-weight: 900; font-size: 19px; }
.lx-dial__inner { transform: rotate(calc(var(--rot) * var(--k, -1))); transition: transform .8s cubic-bezier(.4, 1.5, .5, 1); }
.lx-dial__d { font: 400 22px var(--old); text-anchor: middle; fill: var(--ink); }
.lx-dial__hub { fill: var(--paper); stroke: var(--ink); stroke-width: 1.5; }
.lx-dial__ptr { fill: var(--acc); }
.lx-dial__day { font: 700 15px var(--sans); text-anchor: middle; fill: var(--ink); }
.lx-code__msg { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; align-items: baseline; margin: 0 0 12px; padding: 10px 14px; background: var(--paper); box-shadow: 0 0 0 1px var(--rule); }
.lx-code__msg span { font: 12.5px var(--sans); color: var(--ink-3); }
.lx-code__msg b { font-size: 17px; }
.lx-code__num { font: 400 30px/1 var(--old) !important; color: var(--acc); }
.lx-code__ctl { display: flex; gap: 8px; margin: 0 0 8px; }
.lx-code__sw { margin: 0 0 12px; font: 500 14px var(--sans); }
.lx-code__sw label { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; cursor: pointer; }
.lx-code__sw input { width: 20px; height: 20px; accent-color: var(--acc); }
.lx-code__x { position: relative; padding: 10px 14px 12px; background: #1d232b; color: #eef0f2; }
.lx-code__xk { margin: 0 0 4px; font: 12px/1.5 var(--sans); color: #b7bec6; }
.lx-code__out { min-height: 5.4em; margin: 0 0 22px; font-size: 14.5px; line-height: 1.75; }
.lx-plane { position: absolute; right: 12px; bottom: 8px; width: 46px; fill: #f2b8a8; opacity: 0; transform: translateX(-30px); transition: opacity .4s, transform .9s; }
.lx-code.is-raid .lx-plane { opacity: 1; transform: none; }
.no-js .lx-code__ctl, .no-js .lx-code__sw { display: none; }

/* ---------- 盐业：两种办法 ---------- */
.lx-salt { display: grid; grid-template-columns: minmax(0, .62fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.lx-frame--salt { max-width: 260px; }
.lx-tabs { display: flex; flex-wrap: wrap; gap: 0; margin: 0 0 12px; border-bottom: 2px solid var(--ink); }
.lx-tabs button { min-height: 42px; padding: 6px 12px; border: 1.5px solid var(--ink); border-bottom: 0; margin-right: -1.5px; background: var(--bg); color: var(--ink-2); font: 500 14px/1.3 var(--sans); cursor: pointer; }
.lx-tabs button[aria-selected="true"] { background: var(--ink); color: var(--paper); }
.lx-flow { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; align-items: stretch; }
.lx-node { display: grid; gap: 2px; padding: 8px 12px; background: var(--paper); border: 1.5px solid var(--ink); border-radius: 22px; text-align: center; transition: opacity .5s, filter .5s; }
.lx-node b { font: 700 15px/1.4 var(--sans); }
.lx-node small { font: 12px/1.5 var(--sans); color: var(--ink-2); }
.lx-node--hub { border-width: 3px; border-color: var(--acc); }
.lx-arr { position: relative; height: 34px; display: flex; align-items: center; justify-content: center; }
.lx-arr::before { content: ""; position: absolute; left: 50%; top: 2px; bottom: 2px; border-left: 2px solid var(--ink); }
.lx-arr::after { content: ""; position: absolute; left: 50%; bottom: 2px; width: 8px; height: 8px; margin-left: -4px; border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(45deg); }
.lx-arr--two i { position: absolute; left: 50%; top: 2px; width: 8px; height: 8px; margin-left: -4px; border-left: 2px solid var(--ink); border-top: 2px solid var(--ink); transform: rotate(45deg); }
.lx-arr span { position: absolute; left: calc(50% + 14px); top: 50%; transform: translateY(-50%); font: 12px/1.3 var(--sans); color: var(--ink-2); white-space: nowrap; }

.lx-pulse .lx-arr::before { background: linear-gradient(transparent 40%, var(--acc) 50%, transparent 60%) 0 0 / 2px 300% no-repeat; animation: lx-pulse 1.6s linear infinite; border-left-color: transparent; width: 2px; margin-left: -1px; background-color: var(--ink); }
@keyframes lx-pulse { from { background-position: 0 100%; } to { background-position: 0 -100%; } }
.lx-salt.is-1926 #lx-pa .lx-node:not(.lx-node--far) { opacity: .35; filter: grayscale(1); }
.lx-salt.is-1926 #lx-pa .lx-arr:not(.lx-arr--two)::before { animation: none; background: none; width: 0; margin-left: 0; border-left: 2px dashed var(--ink-3); }
.lx-salt.is-1926 #lx-pa .lx-arr:not(.lx-arr--two)::after { border-color: var(--ink-3); }
.lx-salt__note { margin: 10px 0 0; font-size: 14px; line-height: 1.75; color: var(--ink-2); }
.lx-salt__ctl { margin: 10px 0 0; }
.lx-salt__out { min-height: 1.8em; margin: 8px 0 0; font-size: 14.5px; line-height: 1.75; }
.lx-sm-grid { list-style: none; display: grid; grid-template-columns: repeat(7, 22px); justify-content: center; gap: 6px; margin: 8px 0 2px; padding: 0; }
.lx-sm { width: 22px; height: 22px; }
.lx-sm__o { fill: var(--paper); stroke: var(--acc); stroke-width: 2.4; }
.lx-kit { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; margin: 6px 0 0; padding: 0; }
.lx-kit li { display: grid; justify-items: center; gap: 2px; padding: 6px 4px; background: var(--paper); box-shadow: 0 0 0 1px var(--rule); font: 12.5px var(--sans); }
.lx-kit svg { width: 34px; height: 34px; fill: none; stroke: var(--ink); stroke-width: 1.8; stroke-linejoin: round; }

/* ---------- 科博：三种温标 ---------- */
.lx-thermo__row { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1fr); gap: 20px; align-items: center; margin-bottom: 18px; }
.lx-thermo__dev { position: relative; max-width: 250px; margin: 0 auto; width: 100%; }
.lx-tm { display: block; width: 100%; height: auto; }
.lx-tm__plate { fill: #efe3c4; stroke: #7a5a2b; stroke-width: 2; }
.lx-tm__h { font: 700 12.5px var(--sans); fill: var(--ink); }
.lx-tm line { stroke: var(--ink); stroke-width: 1.2; }
.lx-tm text { font: 400 11.5px var(--old); fill: var(--ink); }
.lx-tm__c text { font-weight: 700; }
.lx-tm__glass { fill: rgba(255, 255, 255, .7); stroke: #6d7780; stroke-width: 1.4; }
.lx-tm__bulb { fill: #9b2a26; stroke: #6d1d1a; stroke-width: 1.4; }
.lx-tm__hg { fill: #9b2a26; }
.lx-tm__sl { position: absolute; left: 36%; width: 20%; top: 8%; height: 86%; cursor: ns-resize; touch-action: none; border-radius: 8px; }
.lx-tm__sl span { position: absolute; left: 50%; width: 30px; height: 30px; margin: -15px 0 0 -15px; border-radius: 50%; border: 2px solid var(--acc); background: rgba(251, 250, 245, .7); top: var(--ty, 30%); box-shadow: 0 2px 6px rgba(0, 0, 0, .25); }
.lx-tm__sl:focus-visible { outline: 2px solid var(--acc); outline-offset: 4px; }
.no-js .lx-tm__sl { display: none; }
.lx-tm__read { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 0 0 10px; }
.lx-tm__read span { display: grid; gap: 2px; padding: 8px 10px; background: var(--paper); box-shadow: 0 0 0 1px var(--rule); text-align: center; }
.lx-tm__read small { font: 12px var(--sans); color: var(--ink-3); }
.lx-tm__read b { font: 400 30px/1.1 var(--old); color: var(--ink); }
.lx-tm__read span:nth-child(1) b { color: var(--acc); }
.lx-tm__out { min-height: 3.6em; margin: 0 0 8px; font-size: 14.5px; line-height: 1.75; }
.lx-tm__note { margin: 0; font: 13px/1.75 var(--sans); color: var(--ink-2); }
.lx-frame--glass { max-width: 560px; }

/* ---------- 清华：机械臂 ---------- */
.lx-arm__row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.lx-robot { display: block; width: 100%; height: auto; }
.lx-robot__floor { stroke: var(--ink); stroke-width: 2; }
.lx-robot__base { fill: url(#lx-hatch); stroke: var(--ink); stroke-width: 2; }
.lx-robot pattern line { stroke: var(--ink); stroke-width: 1; opacity: .5; }
.lx-robot__waist, .lx-robot__link { fill: var(--paper); stroke: var(--ink); stroke-width: 2; }
.lx-robot__grip { fill: none; stroke: var(--ink); stroke-width: 3; stroke-linecap: round; }
.lx-robot__joint { fill: var(--paper); stroke: var(--ink); stroke-width: 2.4; transition: fill .3s; }
.lx-robot__joint.is-on { fill: var(--acc); }
.lx-j { transform-box: view-box; transition: transform 1s cubic-bezier(.45, .1, .2, 1); transform: rotate(var(--a)); }
.lx-j1 { transform-origin: 150px 206px; }
.lx-j2 { transform-origin: 150px 106px; }
.lx-j3 { transform-origin: 150px 26px; }
.lx-arm__ch { list-style: none; margin: 0; padding: 0; counter-reset: c; }
.lx-arm__ch button { display: grid; grid-template-columns: 2.2em minmax(0, 1fr); align-items: baseline; gap: 6px; width: 100%; min-height: 40px; padding: 6px 8px; margin: 0 0 4px;
  border: 0; border-left: 3px solid var(--rule); background: transparent; color: var(--ink-2); text-align: left; font: 14px/1.45 var(--sans); cursor: pointer; }
.lx-arm__ch button b { font: italic 400 16px/1 var(--old); color: var(--ink-3); }
.lx-arm__ch button:hover { background: rgba(155, 42, 38, .05); }
.lx-arm__ch button[aria-pressed="true"] { border-left-color: var(--acc); background: var(--paper); color: var(--ink); font-weight: 700; box-shadow: 0 0 0 1px var(--rule); }
.lx-arm__ch button[aria-pressed="true"] b { color: var(--acc); }
.lx-arm__out { min-height: 1.8em; margin: 12px 0 0; font-size: 14.5px; line-height: 1.75; }
.no-js .lx-arm__ch button { cursor: default; }

/* ---------- 结尾 ---------- */
.c-liu-xiao .c3end { padding: calc(var(--bar) + 44px) clamp(16px, 4vw, 64px) 52px; }
.lx-end { max-width: 1260px; margin: 0 auto; }
.c-liu-xiao .c3end h2 { margin-top: 18px; font-weight: 900; }
.c-liu-xiao .c3end h3 { font-family: var(--sans); font-weight: 500; font-size: 14px; letter-spacing: .2em; color: var(--blue); }
.c-liu-xiao .c3-lin li { border-radius: 2px; background: rgba(251, 250, 245, .94); border-color: var(--rule); border-top: 2px solid var(--ink); }
.c-liu-xiao .c3-lin .rel { font-family: var(--sans); color: var(--acc); border-color: var(--acc); }
.c-liu-xiao .c3-credits, .c-liu-xiao .c3-fine { color: var(--ink-2); font-family: var(--sans); }

/* ---------- 窄屏 ---------- */
@media (min-width: 861px) {
  .c-liu-xiao .c3hero, .c-liu-xiao .c3q, .c-liu-xiao .c3end { padding-right: 140px; }
}
@media (max-width: 1100px) {
  .lx-qd__row, .lx-code__row, .lx-salt, .lx-thermo__row { grid-template-columns: minmax(0, 1fr); }
  .lx-arm__row { grid-template-columns: minmax(0, .85fr) minmax(0, 1fr); }
  .lx-frame--qd { max-width: 320px; margin: 0 auto; }
  .lx-frame--salt { max-width: 220px; order: 2; }
  .lx-more { grid-template-columns: 1fr 1fr; }
  .lx-more__c:last-child { grid-column: span 2; }
}
@media (max-width: 960px) {
  .lx-hero { grid-template-columns: minmax(0, 1fr); }
  .lx-hero__map { position: static; max-width: 560px; }
  .lx-frame--hero img { max-height: none; }
  /* 窄屏：先读导语，再看图与机关，然后是引文、著作 */
  .lx-sta__grid { display: flex; flex-direction: column; gap: 0; }
  .lx-sta__txt { display: contents; }
  .lx-sta__txt > * { order: 3; }
  .lx-sta__txt > .c3q__lede { order: 1; }
  .lx-sta__art { order: 2; margin: 4px 0 26px; }
}
@media (max-width: 700px) {
  .c-liu-xiao .c3hero { padding-top: calc(var(--bar) + 18px); }
  .lx-name { font-size: 84px; }
  .lx-st a { grid-template-columns: 24px 2.4em minmax(0, 1fr); }
  .lx-st__y { display: none; }
  .lx-more { grid-template-columns: minmax(0, 1fr); }
  .lx-more__c:last-child { grid-column: auto; }
  .c-liu-xiao .c3q, .c-liu-xiao .c3end { padding: calc(var(--bar) + 30px) 16px 40px; }
  .c-liu-xiao .c3q__q { font-size: 28px; margin: 12px 0 16px; max-width: none; text-wrap: pretty; }
  .lx-sta__txt > .c3q__lede { font-size: 16px; line-height: 1.9; }
  .lx-qd__spots li { right: -10px; }
  .lx-spot { width: 40px; height: 40px; font-size: 17px; }
  .lx-sta__art .lx-frame--qd { max-width: 240px; }
  .lx-salt .lx-frame--salt { max-width: 170px; }
  .lx-kit { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lx-tl__y { flex-wrap: wrap; gap: 6px; justify-content: flex-start; }
  .lx-tl__y::before { display: none; }
  .lx-dial { max-width: 270px; }
  .lx-arm__row { grid-template-columns: minmax(0, 1fr); }
  .lx-frame--arm { max-width: 250px; margin: 0 auto; }
}

/* 窄栏里两端对齐会把夹着西文的行撑出大空，改为左对齐 */
@media (max-width: 1200px) { .c-liu-xiao .c3q__lede { text-align: left; } }