/* 席泽宗 · 客星：负片式的寻星图（白底黑星，目标用两道红色短线指出）＋ 一张三线表式的“新表”。
   颜色只有三种：底片黑、朱红（客星与记录）、射电蓝（现代的那一层）。字：楷体写古书里的记录，宋体写正文，黑体写星图上的名字。 */
.c-xi-zezong {
  --bg: #f2f2ee; --paper: #fbfbf9; --ink: #111418; --ink-2: #3a4047; --ink-3: #62686f; --rule: rgba(17, 20, 24, .16);
  --acc: #c2361a; --acc-ink: #fff; --hot: #e2462a; --radio: #2452a3;
  --head: "LXGW WenKai TC", "Noto Serif SC", "Songti SC", serif; --kai: "LXGW WenKai TC", "Kaiti SC", "STKaiti", "Noto Serif SC", serif;
  --body: "Noto Serif SC", "Songti SC", serif; --sans: "Noto Sans SC", "PingFang SC", sans-serif; --num: "Source Serif 4", "Noto Serif SC", serif;
  --bar-bg: rgba(242, 242, 238, .94); --chip-bg: rgba(251, 251, 249, .92); --chip-ring: #fbfbf9;
}
/* 底片上的“网格”（réseau）：每隔一段一个细小的十字 */
body.c-xi-zezong { background-color: var(--bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='72' height='72'%3E%3Cpath d='M36 32v8M32 36h8' stroke='%23111418' stroke-opacity='.1' stroke-width='1'/%3E%3C/svg%3E"); }
.c-xi-zezong .dlg { --dlg-bg: #ebebe6; --dlg-paper: #fcfcfa; --dlg-me: #111418; --dlg-me-ink: #f4f4f0; --dlg-acc: #b3311a; }
.c-xi-zezong .c3bar { border-bottom: 1px solid var(--ink); }
.c-xi-zezong .c3bar__prog { background: var(--acc); }
.xz-kai { font-family: var(--kai); }
.xz-num { font-family: var(--num); font-variant-numeric: lining-nums tabular-nums; }
.c-xi-zezong .mk { font-family: var(--sans); font-size: 12px; letter-spacing: .14em; color: var(--ink-3); }

/* ---------- 页边目录：一个小星官 ---------- */
.c-xi-zezong .c3toc { right: 18px; }
.c-xi-zezong .c3toc ol { gap: 0; padding: 4px 0; background: linear-gradient(var(--ink-3), var(--ink-3)) no-repeat calc(100% - 9px) 0 / 1px 100%; }
.c-xi-zezong .c3toc li { padding: 7px 0; }
.c-xi-zezong .c3toc li:nth-child(even) { transform: translateX(-7px); }
.c-xi-zezong .c3toc a { position: relative; gap: 12px; font-family: var(--sans); font-size: 12.5px; color: var(--ink-2); min-height: 22px; }
.c-xi-zezong .c3toc a b { max-width: 0; overflow: hidden; font-family: var(--num); font-size: 13px; color: var(--ink-3); transition: max-width .3s; }
.c-xi-zezong .c3toc a:hover b, .c-xi-zezong .c3toc a:focus-visible b { max-width: 4em; }
.c-xi-zezong .c3toc a span { background: var(--paper); }
.c-xi-zezong .c3toc a::after { width: 7px; height: 7px; border: 0; background: var(--ink); box-shadow: 0 0 0 3px var(--bg); margin-right: 6px; }
.c-xi-zezong .c3toc li:first-child a::after, .c-xi-zezong .c3toc li:last-child a::after { width: 10px; height: 10px; margin-right: 4.5px; }
.c-xi-zezong .c3toc a::before { content: ""; position: absolute; right: -6px; top: 50%; width: 30px; height: 30px; transform: translate(0, -50%);
  background: linear-gradient(var(--acc), var(--acc)) no-repeat 0 50% / 9px 2px, linear-gradient(var(--acc), var(--acc)) no-repeat 50% 100% / 2px 9px;
  opacity: 0; transition: opacity .3s; }
.c-xi-zezong .c3toc a[aria-current="true"] { color: var(--acc); }
.c-xi-zezong .c3toc a[aria-current="true"] b { color: var(--acc); }
.c-xi-zezong .c3toc a[aria-current="true"]::before { opacity: 1; }
.c-xi-zezong .c3toc a[aria-current="true"]::after { background: var(--acc); }

/* ---------- 首屏 ---------- */
.c-xi-zezong .c3hero { padding-top: calc(var(--bar) + 22px); padding-bottom: 40px; }
.xz-hero { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); gap: clamp(24px, 3.4vw, 52px); align-items: start; }
.xz-hl, .xz-hr { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.xz-hl .xz-rel { margin-top: 4px; }
.xz-k { margin: 6px 0 0; font-family: var(--sans); font-size: 13px; letter-spacing: .2em; color: var(--acc); }
.xz-name { margin: 6px 0 0; font-family: var(--kai); font-weight: 700; font-size: clamp(64px, 8vw, 116px); line-height: 1.02; letter-spacing: .06em; }
.xz-en { margin: 8px 0 14px; display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: baseline; font-family: var(--num); font-size: 21px; font-style: italic; color: var(--ink-2); }
.xz-en .xz-num { font-style: normal; font-size: 16px; letter-spacing: .04em; color: var(--ink-3); }
.xz-who { margin: 0 0 4px; font-size: 18.5px; font-weight: 600; line-height: 1.55; }
.xz-now { margin: 0 0 12px; font-size: 14.5px; color: var(--ink-2); }
.xz-wk { list-style: none; margin: 0 0 4px; padding: 0 0 0 12px; border-left: 2px solid var(--acc); font-size: 14.5px; line-height: 1.75; }
.xz-wk span { margin-left: 4px; font-family: var(--num); font-size: 13.5px; color: var(--ink-3); }
.xz-rel { margin: 0; padding: 10px 0 12px; border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.xz-rel .mk { margin: 0 0 4px; color: var(--acc); }
.xz-rel p { margin: 0; font-size: 14.5px; line-height: 1.8; }

/* 寻星图 */
.xz-sky { margin: 0; }
.xz-sky__chart { display: grid; grid-template-columns: minmax(0, 1fr) 84px; gap: 0; align-items: stretch; background: var(--paper); border: 1px solid var(--ink); }
.xz-sky__svg { display: block; width: 100%; height: auto; align-self: start; }
.xz-sky__bg { fill: var(--paper); }
.xz-frame { fill: none; stroke: var(--ink); stroke-width: 1; }
.xz-grid { fill: none; stroke: #c9ccd0; stroke-width: .7; }
.xz-ecl { fill: none; stroke: #9aa0a7; stroke-width: 1; stroke-dasharray: 7 6; }
.xz-ln { fill: none; stroke: #7d838a; stroke-width: 1; }
.xz-st circle { fill: var(--ink); }
.xz-lb { font-family: var(--sans); font-weight: 400; font-size: 19px; fill: #4e545b; }
.xz-lb--m { font-weight: 500; font-size: 25px; fill: var(--ink); letter-spacing: .08em; }
.xz-lb--k { font-weight: 700; font-size: 25px; fill: var(--ink); }
.xz-lb--e { font-size: 17px; fill: #80868d; letter-spacing: .3em; }
.xz-co { font-family: var(--num); font-size: 19px; fill: var(--ink-3); }
.xz-sky__svg--narrow .xz-lb { font-size: 25px; }
.xz-sky__svg--narrow .xz-lb--k { font-size: 28px; }
.xz-sky__svg--narrow .xz-lb--e { font-size: 22px; }
.xz-sky__svg--narrow .xz-co { font-size: 22px; }
.xz-gs__tk path { stroke: var(--acc); stroke-width: 4; fill: none; }
.xz-gs__st { fill: var(--ink); transform-box: fill-box; transform-origin: center; transition: transform .6s cubic-bezier(.2, 1.6, .4, 1), opacity .4s; }
.xz-gs__halo { fill: none; stroke: var(--hot); stroke-width: 2; opacity: .0; transform-box: fill-box; transform-origin: center; }
.xz-gs__ring { fill: none; stroke: var(--hot); stroke-width: 1.4; opacity: .9; }
.xz-gs__lb { font-family: var(--kai); font-weight: 700; font-size: 24px; fill: var(--acc); }
.js .xz-sky:not(.is-lit) .xz-gs__st { transform: scale(0); opacity: 0; }
.js .xz-sky:not(.is-lit) .xz-gs__ring { opacity: 0; }
.js .xz-sky:not(.is-lit) .xz-gs__lb { opacity: 0; }
.xz-sky.is-lit .xz-gs__halo { animation: xz-pulse 2.8s ease-out 2; }
@keyframes xz-pulse { 0% { opacity: .9; transform: scale(.4); } 100% { opacity: 0; transform: scale(2.6); } }
.xz-gs__lb { transition: opacity .5s .3s; }

/* 竖排的那一行记录：一个按钮 */
.xz-rec { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 10px; margin: 0; padding: 14px 0 12px;
  border: 0; border-left: 1px solid var(--ink); background: var(--bg); color: var(--ink); cursor: pointer; font: inherit; }
.xz-rec__t { writing-mode: vertical-rl; font-size: 19px; line-height: 1.55; letter-spacing: .1em; text-align: start; }
.xz-rec__b { margin-top: auto; padding: 6px 8px; border: 1px solid var(--acc); color: var(--acc); font-family: var(--sans); font-size: 13px; letter-spacing: .1em; writing-mode: horizontal-tb; }
.xz-rec:hover .xz-rec__b, .xz-rec[aria-pressed="true"] .xz-rec__b { background: var(--acc); color: var(--acc-ink); }
.xz-rec[aria-pressed="true"] .xz-rec__t { color: var(--acc); }
.no-js .xz-rec { cursor: default; }
.no-js .xz-rec__b { display: none; }
.xz-sky figcaption { margin-top: 8px; font-family: var(--sans); font-size: 12.5px; line-height: 1.65; color: var(--ink-3); }
.xz-sky__data { display: block; margin-top: 2px; font-size: 11.5px; }
.xz-sky__out { display: block; color: var(--acc); }
.xz-sky__out:empty { display: none; }

/* 新表：三线表 */
.xz-t { width: 100%; border-collapse: collapse; font-size: 14.5px; line-height: 1.5; border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.xz-t caption { caption-side: top; text-align: left; padding: 0 0 6px; font-family: var(--sans); font-size: 12.5px; letter-spacing: .16em; color: var(--acc); }
.xz-t thead th { padding: 5px 8px; border-bottom: 1px solid var(--ink); font-family: var(--sans); font-weight: 400; font-size: 12px; letter-spacing: .1em; color: var(--ink-3); text-align: left; }
.xz-t td, .xz-t tbody th { padding: 5px 8px; vertical-align: baseline; text-align: left; font-weight: 400; border-top: 1px solid rgba(17, 20, 24, .08); }
.xz-t tbody tr:first-child td, .xz-t tbody tr:first-child th { border-top: 0; }
.xz-t__n { width: 2em; font-family: var(--num); color: var(--ink-3); }
.xz-t__y { width: 3.6em; font-family: var(--num); font-variant-numeric: tabular-nums; color: var(--acc); }
.xz-t__q a { display: inline-block; min-height: 26px; text-decoration: none; font-weight: 600; }
@media (pointer: coarse), (max-width: 560px) { .xz-t__q a { display: inline-flex; align-items: center; min-height: 40px; } }
.no-js .xz-out span + span::before { content: ""; display: block; height: 8px; }
.xz-t__q a:hover { text-decoration: underline; text-decoration-color: var(--acc); text-underline-offset: 3px; }
.xz-t__r { color: var(--ink-2); }
.xz-t__r .xz-kai { font-size: 15px; }
.xz-t__r small { font-family: var(--sans); font-size: 11.5px; color: var(--ink-3); white-space: nowrap; }
.xz-t__end th a { font-weight: 400; }
.xz-go { margin: 0; }
.c-xi-zezong .c3-btn { border-radius: 0; font-family: var(--sans); font-size: 14px; min-height: 40px; }
.c-xi-zezong .c3-btn--go { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.c-xi-zezong .c3-btn--deep { background: transparent; border-color: var(--ink); color: var(--ink); }
.c-xi-zezong .c3-btn:hover { border-color: var(--acc); }

.xz-hero2 { max-width: 1240px; margin: 30px auto 0; }
.xz-facts { margin: 0; padding: 14px 0 0; border-top: 1px solid var(--rule); font-size: 14.5px; line-height: 1.85; color: var(--ink-2); columns: 2 380px; column-gap: 48px; }
.xz-band { max-width: 1240px; margin: 26px auto 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; padding-top: 16px; border-top: 2px solid var(--ink); }
.xz-band .mk { color: var(--acc); }
.c-xi-zezong .c3-feats { margin: 0; padding: 0; list-style: none; counter-reset: f; }
.c-xi-zezong .c3-feats li { counter-increment: f; position: relative; padding: 5px 0 5px 28px; border-bottom: 1px solid rgba(17, 20, 24, .08); font-size: 14.5px; line-height: 1.65; }
.c-xi-zezong .c3-feats li::before { content: counter(f); position: absolute; left: 0; top: 5px; font-family: var(--num); color: var(--acc); }
.c-xi-zezong .c3-books li, .c-xi-zezong .c3-links li { font-size: 14.5px; border-bottom-style: solid; border-bottom-color: rgba(17, 20, 24, .08); }
.c-xi-zezong .c3-books small, .c-xi-zezong .c3-links small { font-family: var(--sans); font-size: 12px; }

/* ---------- 每一问：表里的一行，展开 ---------- */
.c-xi-zezong .c3q { display: block; padding-top: calc(var(--bar) + 26px); }
.xz-q { max-width: 1240px; margin: 0 auto; }
.xz-row { display: grid; grid-template-columns: 3.4em 4.6em minmax(0, 1fr) auto; align-items: baseline; gap: 0 14px; margin: 0 0 26px; padding: 9px 4px 8px;
  border-top: 2px solid var(--ink); border-bottom: 1px solid var(--ink); }
.xz-row__n { font-family: var(--num); font-size: 26px; line-height: 1; color: var(--ink); }
.xz-row__y { font-family: var(--num); font-size: 17px; color: var(--acc); }
.xz-row__r { font-size: 19px; letter-spacing: .06em; color: var(--ink); }
.xz-row__s { font-family: var(--sans); font-size: 12.5px; color: var(--ink-3); }
.xz-q__g { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); grid-template-rows: auto 1fr; grid-template-areas: "a art" "b art"; gap: 0 clamp(26px, 4vw, 56px); align-items: start; }
.c-xi-zezong .c3q:nth-of-type(odd) .xz-q__g { grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); grid-template-areas: "art a" "art b"; }
.xz-q__a { grid-area: a; }
.xz-q__b { grid-area: b; }
.xz-q__art { grid-area: art; }
.c-xi-zezong .c3q__when b { font-family: var(--num); font-weight: 600; font-size: 30px; color: var(--acc); }
.c-xi-zezong .c3q__when span { font-family: var(--sans); font-size: 13.5px; }
.c-xi-zezong .c3q__q { font-family: var(--kai); font-weight: 700; font-size: clamp(30px, 3.4vw, 44px); line-height: 1.25; letter-spacing: .01em; }
.c-xi-zezong .c3q__lede { font-size: 16.5px; line-height: 1.9; text-align: justify; }
.c-xi-zezong .c3-quote { margin: 20px 0; padding: 12px 0 12px 16px; border-left: 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--rule); position: relative; }
.c-xi-zezong .c3-quote::before { content: ""; position: absolute; left: 0; top: 18px; width: 8px; height: 2px; background: var(--acc); box-shadow: 4px -4px 0 -0px transparent; }
.c-xi-zezong .c3-quote blockquote p { font-family: var(--kai); font-weight: 400; font-size: 19.5px; line-height: 1.7; }
.c-xi-zezong .c3-quote figcaption { font-family: var(--sans); font-size: 12px; }
.c-xi-zezong .c3-orig { font-family: var(--num); font-size: 14.5px; }
.c-xi-zezong .c3-tags li { border-radius: 0; border-color: var(--ink-3); font-family: var(--sans); font-size: 12.5px; }
.c-xi-zezong .c3-works .mk, .c-xi-zezong .c3-talk .mk { color: var(--acc); }
.c-xi-zezong .c3-works li { font-size: 14.5px; }
.c-xi-zezong .talk { border-radius: 2px; border-color: var(--ink); background: var(--paper); }
.c-xi-zezong .c3-ask { border-radius: 0; border-style: solid; border-color: var(--rule); }
.c-xi-zezong .c3-deeplink { text-decoration-color: var(--acc); text-underline-offset: 4px; }

/* 共用：小标题、读数、说明 */
.xz-kk { margin: 0 0 8px; font-family: var(--sans); font-size: 12.5px; letter-spacing: .18em; color: var(--acc); }
.xz-out { margin: 10px 0 0; min-height: 3.2em; padding: 8px 12px; border-left: 2px solid var(--acc); background: rgba(194, 54, 26, .05); font-size: 14.5px; line-height: 1.75; color: var(--ink); }
.xz-cap { margin: 8px 0 0; font-family: var(--sans); font-size: 12.5px; line-height: 1.7; color: var(--ink-3); }
.xz-fig { margin: 0; }
.xz-fig img { display: block; width: 100%; height: auto; mix-blend-mode: multiply; }
.xz-fig figcaption { margin-top: 8px; font-family: var(--sans); font-size: 12.5px; line-height: 1.65; color: var(--ink-3); }
.xz-scan { position: relative; }
.c-xi-zezong [data-js][hidden] { display: none !important; }

/* 第一问：从记录到射电源 */
.xz-nv { display: grid; grid-template-columns: 128px minmax(0, 1fr); gap: 20px; align-items: start; }
.xz-fig--scan img { mix-blend-mode: multiply; }
.xz-scan__box { position: absolute; border: 2px solid var(--acc); pointer-events: none; }
.xz-scan__box--a { left: 46.5%; width: 22.5%; top: 64.6%; height: 31.6%; }
.xz-scan__box--b { left: 26.5%; width: 22.5%; top: 4.2%; height: 61%; }
.xz-nv__frame { position: relative; border: 1px solid var(--ink); background: var(--paper); }
.xz-n-inset { position: absolute; left: 68%; top: 10%; width: 28.5%; margin: 0; border: 1px solid var(--ink); background: #fff; box-shadow: 0 6px 18px rgba(17, 20, 24, .14); transition: opacity .6s, transform .6s; }
.xz-n-inset img { display: block; width: 100%; height: auto; }
.xz-n-inset figcaption { position: absolute; left: 6px; bottom: 4px; font-family: var(--sans); font-size: 11px; color: var(--ink-2); background: rgba(255, 255, 255, .8); padding: 0 4px; }
.xz-n-lb { font-family: var(--sans); font-size: 25px; fill: var(--ink-2); }
.xz-n-lb--r { fill: var(--radio); font-size: 23px; }
.xz-n-ghost { fill: none; stroke: var(--acc); stroke-width: 1.6; stroke-dasharray: 4 4; opacity: 0; transition: opacity .6s; }
.xz-n-arrow { fill: none; stroke: var(--acc); stroke-width: 2; stroke-dasharray: 6 6; }
.xz-arr__h { fill: var(--acc); }
.xz-n-neb { fill: rgba(17, 20, 24, .78); stroke: var(--ink); stroke-width: 1; }
.xz-n-radio ellipse { fill: none; stroke: var(--radio); stroke-width: 1.6; }
.xz-n-radio ellipse:nth-child(3), .xz-n-radio ellipse:nth-child(4) { stroke-dasharray: 5 5; }
.xz-n-call { fill: none; stroke: var(--ink-2); stroke-width: .9; }
.xz-n-rec .xz-gs__st, .xz-n-rec .xz-gs__halo { transition: opacity 2.4s ease, transform 2.4s ease; }
.xz-n-crab, .xz-n-arrow, .xz-n-radio, .xz-n-call, .xz-n-lb--r { transition: opacity .7s; }
/* 各步 */
.xz-nv[data-stage="rec"] .xz-n-crab, .xz-nv[data-stage="rec"] .xz-n-arrow, .xz-nv[data-stage="rec"] .xz-n-radio, .xz-nv[data-stage="rec"] .xz-n-call, .xz-nv[data-stage="rec"] .xz-n-lb--r,
.xz-nv[data-stage="fade"] .xz-n-crab, .xz-nv[data-stage="fade"] .xz-n-arrow, .xz-nv[data-stage="fade"] .xz-n-radio, .xz-nv[data-stage="fade"] .xz-n-call, .xz-nv[data-stage="fade"] .xz-n-lb--r,
.xz-nv[data-stage="rem"] .xz-n-radio, .xz-nv[data-stage="rem"] .xz-n-lb--r { opacity: 0; }
.xz-nv[data-stage="rec"] .xz-n-inset, .xz-nv[data-stage="fade"] .xz-n-inset { opacity: 0; transform: scale(.94); pointer-events: none; }
.xz-nv[data-stage="rec"] .xz-gs__halo { animation: xz-pulse 2.6s ease-out infinite; }
.xz-nv[data-stage="fade"] .xz-n-rec .xz-gs__st { opacity: .08; transform: scale(.35); }
.xz-nv[data-stage="fade"] .xz-n-ghost, .xz-nv[data-stage="rem"] .xz-n-ghost, .xz-nv[data-stage="radio"] .xz-n-ghost, .xz-nv[data-stage="all"] .xz-n-ghost { opacity: 1; }
.xz-nv[data-stage="rem"] .xz-n-rec .xz-gs__st, .xz-nv[data-stage="radio"] .xz-n-rec .xz-gs__st, .xz-nv[data-stage="all"] .xz-n-rec .xz-gs__st { opacity: 0; transform: scale(.3); }
.xz-nv[data-stage="radio"] .xz-n-radio ellipse { animation: xz-draw 1.6s ease-out both; }
.xz-nv[data-stage="radio"] .xz-n-radio ellipse:nth-child(2) { animation-delay: .25s; }
.xz-nv[data-stage="radio"] .xz-n-radio ellipse:nth-child(3) { animation-delay: .5s; }
.xz-nv[data-stage="radio"] .xz-n-radio ellipse:nth-child(4) { animation-delay: .75s; }
@keyframes xz-draw { from { opacity: 0; transform: scale(.6); } to { opacity: 1; transform: none; } }
.xz-n-radio ellipse { transform-box: fill-box; transform-origin: center; }
.xz-nv__ctl { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; margin-top: 10px; }
.xz-nv__ctl button, .xz-ecl__ctl button, .xz-gen__ctl button, .xz-eye__ctl button { min-height: 42px; padding: 6px 10px; border: 1px solid var(--ink); background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 13.5px; line-height: 1.3; cursor: pointer; text-align: left; }
.xz-nv__ctl button b { display: block; font-family: var(--num); font-weight: 600; font-size: 12px; color: var(--acc); }
.xz-nv__ctl button[aria-pressed="true"], .xz-ecl__ctl button[aria-pressed="true"], .xz-gen__ctl button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.xz-nv__ctl button[aria-pressed="true"] b { color: #ff9a7a; }
.xz-nv__ctl button:hover, .xz-ecl__ctl button:hover, .xz-gen__ctl button:hover, .xz-eye__ctl button:hover { border-color: var(--acc); }

/* 第二问：肉眼还是望远镜 */
.xz-eye { padding: 14px 16px 16px; border: 1px solid var(--ink); background: var(--paper); }
.xz-eye__view { position: relative; }
.xz-eye svg { display: block; width: 100%; max-width: 440px; height: auto; margin: 0 auto; }
.xz-eye__field { fill: #fff; stroke: var(--ink); stroke-width: 1.2; }
.xz-eye__jup { fill: var(--ink); }
.xz-eye__moons circle { fill: var(--ink); transition: opacity .35s, fill .35s; }
.xz-eye__moons circle.is-red { fill: var(--hot); }
.xz-eye__ew { font-family: var(--sans); font-size: 14px; fill: var(--ink-3); }
.xz-eye__lead { stroke: var(--ink-3); stroke-width: 1; }
.xz-eye__lb { font-family: var(--sans); font-size: 13px; fill: var(--ink-2); }
.xz-eye__mode { position: absolute; left: 0; top: 0; margin: 0; font-family: var(--sans); font-size: 12px; letter-spacing: .12em; color: var(--ink-3); }
.xz-eye__ctl { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-top: 10px; }
.xz-eye__sl { flex: 1 1 320px; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 10px; font-family: var(--sans); font-size: 12.5px; color: var(--ink-2); }
.xz-eye__sl input { width: 100%; height: 42px; margin: 0; accent-color: var(--acc); cursor: pointer; }
.xz-eye__ctl button { flex: none; text-align: center; }
.xz-jp2 { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 20px; align-items: start; margin-top: 20px; }
.xz-kbox { position: absolute; border: 2px solid var(--acc); pointer-events: none; transition: box-shadow .4s, background .4s; }
.xz-kbox--1 { left: 1%; width: 20.5%; top: 1.8%; height: 38.6%; }
.xz-kbox--2 { left: 23.5%; width: 17.5%; top: 64.6%; height: 34%; }
.xz-jp2.is-hit .xz-kbox { background: rgba(226, 70, 42, .12); box-shadow: 0 0 0 4px rgba(226, 70, 42, .18); }
.xz-fig--sid { padding-top: 6px; }

/* 第三问 */
.xz-fig--photo img { filter: contrast(1.02); }
.xz-mini { margin-top: 18px; }
.xz-t--mini th { font-weight: 600; white-space: nowrap; padding-right: 12px; }
.xz-t--mini td { font-size: 14px; line-height: 1.7; }
.xz-t--mini .xz-t__y { white-space: nowrap; width: auto; }

/* 第四问：记录 37 次，预告 1 次 */
.xz-ecl { padding: 14px 16px 16px; border: 1px solid var(--ink); background: var(--paper); }
.xz-ecl__ctl { display: flex; gap: 6px; margin-bottom: 12px; }
.xz-ecl__stage { position: relative; height: 290px; overflow: hidden; }
.xz-ecl__shelf { position: absolute; left: 0; right: 0; margin: 0; height: 0; border-top: 1px solid var(--ink); transition: opacity .6s; }
.xz-ecl__shelf span { position: absolute; top: -1.75em; font-family: var(--sans); font-size: 12.5px; letter-spacing: .24em; color: var(--acc); opacity: 0; transition: opacity .6s; }
.xz-ecl__shelf--hi { top: 116px; border-top-style: dashed; opacity: 0; }
.xz-ecl__shelf--hi span { left: 0; }
.xz-ecl__shelf--lo { top: 262px; }
.xz-ecl__shelf--lo span { right: 0; }
.xz-ecl__g { position: absolute; bottom: 30px; transition: transform .9s cubic-bezier(.5, 0, .2, 1); }
.xz-ecl__g--cn { left: 2%; width: 60%; }
.xz-ecl__g--gr { left: 70%; width: 29%; }
.xz-ecl__g p { margin: 8px 0 0; font-size: 13.5px; line-height: 1.5; color: var(--ink-2); }
.xz-ecl__g p b { display: block; font-family: var(--kai); font-size: 18px; color: var(--ink); }
.xz-ecl__dots { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.xz-ecl__dots li { width: 18px; height: 18px; border-radius: 50%; border: 1.2px solid var(--ink); background: radial-gradient(circle at 64% 44%, var(--ink) 0 52%, transparent 53%), #fff; }
.xz-ecl__g--gr .xz-ecl__dots li { width: 22px; height: 22px; border-color: var(--acc); background: radial-gradient(circle at 60% 46%, var(--ink) 0 54%, transparent 55%), #fff; }
.xz-ecl[data-ecl="level"] .xz-ecl__shelf--hi, .xz-ecl[data-ecl="level"] .xz-ecl__shelf span { opacity: 1; }
.xz-ecl[data-ecl="level"] .xz-ecl__g--gr { transform: translateY(-146px); }

/* 第五问：两代人 */
.xz-gen { padding: 14px 16px 16px; border: 1px solid var(--ink); background: var(--paper); }
.xz-gen__ctl { display: flex; gap: 6px; margin-bottom: 12px; }
.xz-gen__g { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr) minmax(0, 1fr); gap: 14px; align-items: stretch; }
.xz-gen__c { padding: 12px 12px 14px; border-top: 2px solid var(--ink); background: var(--bg); transition: opacity .5s; }
.xz-gen__h { margin: 0; font-family: var(--kai); font-weight: 700; font-size: 20px; }
.xz-gen__s { margin: 0 0 10px; font-family: var(--sans); font-size: 12px; color: var(--ink-3); }
.xz-gen__c p { font-size: 14px; line-height: 1.75; margin: 10px 0 0; }
.xz-gen__c small { display: block; font-family: var(--sans); font-size: 11.5px; color: var(--ink-3); }
.xz-gen__tree { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; }
.xz-gen__tree li { padding: 6px 4px; border: 1px solid var(--ink-3); background: var(--paper); text-align: center; font-size: 13.5px; }
.xz-gen__line { list-style: none; margin: 0; padding: 0; }
.xz-gen__line li, .xz-gen__br li { position: relative; padding: 6px 0 6px; font-size: 14px; line-height: 1.6; border-bottom: 1px solid rgba(17, 20, 24, .08); }
.xz-gen__line b, .xz-gen__br b { display: block; font-weight: 600; font-size: 15px; color: var(--acc); }
.xz-gen__br { list-style: none; margin: 0; padding: 10px 14px; align-self: center; border: 1px solid var(--acc); background: rgba(194, 54, 26, .04); position: relative; transition: opacity .5s; }
.xz-gen__br::before, .xz-gen__br::after { content: ""; position: absolute; top: 50%; width: 15px; height: 2px; background: var(--acc); }
.xz-gen__br::before { right: 100%; }
.xz-gen__br::after { left: 100%; }
.xz-gen__br li:last-child { border-bottom: 0; }
.xz-gen[data-gen="split"] .xz-gen__br { opacity: .22; }
.xz-gen[data-gen="lift"] .xz-gen__c { opacity: .35; }

/* 结尾 */
.c-xi-zezong .c3end { padding-top: calc(var(--bar) + 26px); }
.xz-end { max-width: 1100px; margin: 0 auto; }
.xz-row--end .xz-row__r { font-family: var(--kai); }
.c-xi-zezong .c3end h2 { font-family: var(--kai); font-weight: 700; }
.xz-end__lede { max-width: 46em; margin: -6px 0 22px; font-size: 15.5px; line-height: 1.85; color: var(--ink-2); }
.c-xi-zezong .c3-lin li { border-radius: 0; background: var(--paper); border-color: var(--rule); border-top: 2px solid var(--ink); }
.c-xi-zezong .c3end h3 { font-family: var(--kai); font-size: 20px; }

/* ---------- 窄屏 ---------- */
@media (max-width: 1300px) and (min-width: 861px) {
  .c-xi-zezong .c3hero, .c-xi-zezong .c3q, .c-xi-zezong .c3end { padding-right: 70px; }
}
@media (max-width: 1100px) {
  .xz-hero { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .xz-hl, .xz-hr { display: contents; }
  .xz-id { order: 1; } .xz-hl .xz-rel { order: 2; margin: 0; } .xz-toc { order: 3; } .xz-go { order: 4; } .xz-sky { order: 5; }
  .xz-q__g, .c-xi-zezong .c3q:nth-of-type(odd) .xz-q__g { grid-template-columns: minmax(0, 1fr); grid-template-areas: "a" "art" "b"; }
  .xz-q__art { margin: 6px 0 20px; }
  .xz-band { grid-template-columns: minmax(0, 1fr); gap: 20px; }
}
@media (max-width: 760px) {
  .xz-nv { grid-template-columns: minmax(0, 1fr); }
  .xz-nv__scan { order: 2; display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 12px; }
  .xz-nv__scan .xz-fig--scan { display: contents; }
  .xz-nv__ctl { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .xz-jp2 { grid-template-columns: 112px minmax(0, 1fr); gap: 14px; }
  .xz-gen__g { grid-template-columns: minmax(0, 1fr); }
  .xz-gen__br::before, .xz-gen__br::after { display: none; }
  .xz-facts { columns: 1; }
}
@media (max-width: 560px) {
  .c-xi-zezong .c3hero { padding-top: calc(var(--bar) + 14px); }
  .xz-sky__chart { grid-template-columns: minmax(0, 1fr); }
  .xz-rec { flex-direction: row; align-items: center; gap: 10px; padding: 10px 12px; border-left: 0; border-top: 1px solid var(--ink); text-align: left; }
  .xz-rec__t { writing-mode: horizontal-tb; font-size: 16.5px; letter-spacing: .04em; line-height: 1.5; }
  .xz-rec__b { margin: 0 0 0 auto; flex: none; }
  .xz-t thead { display: none; }
  .xz-t tbody tr { display: grid; grid-template-columns: 2em 3.6em minmax(0, 1fr); padding: 6px 0; border-top: 1px solid rgba(17, 20, 24, .1); }
  .xz-t tbody tr:first-child { border-top: 0; }
  .xz-t td, .xz-t tbody th { padding: 2px 4px; border: 0; }
  .xz-t__r { grid-column: 3; }
  .xz-t--mini tbody tr { grid-template-columns: minmax(0, 1fr); }
  .xz-t--mini .xz-t__y, .xz-t--mini td { grid-column: 1; }
  .xz-row { grid-template-columns: 2.2em 3.8em minmax(0, 1fr); }
  .xz-row__s { grid-column: 3; }
  .xz-row__r { font-size: 16px; }
  .xz-row__n { font-size: 22px; }
  .c-xi-zezong .c3q__lede { text-align: left; }
  .xz-ecl__stage { height: 330px; }
  .xz-ecl__dots { gap: 4px; }
  .xz-ecl__dots li { width: 14px; height: 14px; }
  .xz-ecl__g--cn { left: 0; width: 58%; }
  .xz-ecl__g--gr { left: 64%; width: 36%; }
  .xz-ecl__shelf--hi { top: 128px; }
  .xz-ecl__shelf--lo { top: 302px; }
  .xz-ecl__g { bottom: 30px; }
  .xz-ecl[data-ecl="level"] .xz-ecl__g--gr { transform: translateY(-174px); }
  .xz-eye { padding: 12px 10px 14px; }
  .xz-eye__sl { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .xz-eye__sl input { grid-column: 1 / -1; grid-row: 1; }
  .xz-eye__sl span:last-child { text-align: right; }
}