/* 刘铮 · 学术名片 · 热成像
   技术与伦理同出于身体，联网的设备又把身体变成数据。名片借热像仪的眼睛：
   底色是热像图里最冷的靛黑，强调色沿着“铁虹”色带从品红、橙到黄白；正文用黑体，数字用 Bricolage Grotesque。 */

:root {
  --void: #120e1b;
  --panel: #1a1526;
  --panel-2: #241c34;
  --ink: #ece7f1;
  --ink-2: #b7aec6;
  --ink-3: #867d97;
  --rule: rgba(236, 231, 241, .14);
  --indigo: #2b1572;
  --violet: #7a1f8f;
  --mag: #c22f6b;
  --orange: #ef5b2b;
  --amber: #f99a1e;
  --yellow: #fdd34a;
  --white: #fff6d8;
  --iron: linear-gradient(90deg, #0b0820, #2b1572 20%, #7a1f8f 38%, #c22f6b 52%, #ef5b2b 66%, #f99a1e 78%, #fdd34a 90%, #fff6d8);
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --grot: "Bricolage Grotesque", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; background: var(--void); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body.li { margin: 0; background: var(--void); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.85; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: 100%; }
a { color: var(--ink); text-decoration-color: rgba(249, 154, 30, .55); text-underline-offset: .24em; }
a:hover { color: var(--amber); }
:focus-visible { outline: 2px solid var(--yellow); outline-offset: 2px; }
::selection { background: var(--mag); color: #fff; }
button { font: inherit; color: inherit; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--yellow); color: var(--void); padding: 6px 12px; }
.skip:focus { top: 12px; }

/* ---------- 顶栏 ---------- */
.lbar { display: flex; align-items: center; gap: 16px; max-width: 1240px; margin: 0 auto; padding: 20px 72px 0 32px; font-size: 14px; }
.lbar__logo { display: grid; place-items: center; width: 34px; height: 34px; color: var(--void); background: var(--iron); }
.lbar__logo svg { width: 15px; height: 17px; }
.lbar__t { margin: 0; letter-spacing: .04em; }
.lbar__t span { margin-left: 10px; color: var(--ink-3); }
.lbar__nav { margin-left: auto; display: flex; gap: 20px; }
.lbar__nav a { text-decoration: none; color: var(--ink-2); }
.lbar__nav a:hover { color: var(--amber); }

/* ---------- 右侧色标：也是导航 ---------- */
.scale { position: fixed; z-index: 30; right: 22px; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; height: min(62vh, 520px); width: 10px; background: linear-gradient(180deg, #fff6d8, #fdd34a 10%, #f99a1e 22%, #ef5b2b 34%, #c22f6b 48%, #7a1f8f 62%, #2b1572 80%, #0b0820); border-radius: 1px; }
.scale a { position: relative; flex: 1; display: block; }
.scale a::before { content: ""; position: absolute; left: -6px; right: -6px; top: 50%; height: 1px; background: rgba(18, 14, 27, .7); }
.scale a span { position: absolute; right: 22px; top: 50%; transform: translateY(-50%); white-space: nowrap; padding: 2px 8px; background: var(--panel-2); color: var(--ink); font-size: 13px; line-height: 1.6; opacity: 0; pointer-events: none; transition: opacity .2s; }
.scale a:hover span, .scale a:focus-visible span { opacity: 1; }
.scale a[aria-current="true"]::after { content: ""; position: absolute; right: 14px; top: 50%; margin-top: -6px; border: 6px solid transparent; border-right: 0; border-left: 9px solid var(--ink); }
.scale a[aria-current="true"] span { color: var(--yellow); }

main { max-width: 1240px; margin: 0 auto; padding: 0 72px 0 32px; }

/* ---------- 首屏：热像仪 ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-areas: "cam top" "cam rest"; grid-template-rows: auto 1fr; column-gap: 56px; align-items: start; padding: 40px 0 90px; }
.cam { grid-area: cam; }
.id--top { grid-area: top; }
.id--rest { grid-area: rest; }
.cam__view { position: relative; aspect-ratio: 148 / 144; background: #0b0820; overflow: hidden; cursor: crosshair; touch-action: none; }
.cam__view canvas { display: block; width: 100%; height: 100%; image-rendering: auto; }
.br { position: absolute; width: 26px; height: 26px; border: 0 solid rgba(255, 246, 216, .75); pointer-events: none; }
.br.tl { left: 14px; top: 14px; border-left-width: 2px; border-top-width: 2px; }
.br.tr { right: 14px; top: 14px; border-right-width: 2px; border-top-width: 2px; }
.br.bl { left: 14px; bottom: 14px; border-left-width: 2px; border-bottom-width: 2px; }
.br.br2 { right: 14px; bottom: 14px; border-right-width: 2px; border-bottom-width: 2px; }
.cam__fr { position: absolute; left: 22px; bottom: 18px; margin: 0; font-family: var(--grot); font-size: 13px; color: rgba(255, 246, 216, .85); pointer-events: none; }
.cam__fr b { font-weight: 600; }
.cam__bar { display: flex; align-items: center; gap: 10px; margin-top: 12px; font-size: 12.5px; color: var(--ink-3); }
.cam__bar i { flex: 1; height: 8px; background: var(--iron); }
.cam__hint { margin: 12px 0 4px; font-size: 15px; color: var(--yellow); }
.cam__cap { margin: 0; font-size: 13px; line-height: 1.7; color: var(--ink-3); }

.id h1 { margin: 0; font-weight: 900; font-size: clamp(84px, 10.5vw, 150px); line-height: .95; letter-spacing: -.02em; }
.en { margin: 14px 0 26px; font-family: var(--grot); font-size: 28px; font-weight: 500; line-height: 1.2; color: var(--ink-2); }
.en span { margin-left: 14px; font-weight: 400; color: var(--ink-3); }
.who { margin: 0 0 12px; font-size: 22px; font-weight: 700; line-height: 1.6; }
.now { margin: 0 0 22px; padding-left: 14px; border-left: 4px solid var(--amber); font-size: 15.5px; line-height: 1.75; color: var(--ink-2); }
.motto { margin: 0 0 22px; padding: 16px 18px; background: var(--panel); border: 1px solid var(--rule); }
.motto p { margin: 0; font-size: 20px; font-weight: 500; line-height: 1.7; }
.motto cite { display: block; margin-top: 8px; font-style: normal; font-size: 13px; color: var(--ink-3); }
.facts { margin: 0 0 22px; font-size: 15px; line-height: 1.9; color: var(--ink-2); }
.go { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; }
.lb { display: inline-block; padding: 8px 18px; border: 1px solid var(--ink-2); font-size: 15px; line-height: 1.5; text-decoration: none; color: var(--ink); }
.lb:hover { border-color: var(--amber); color: var(--amber); }
.lb--on { background: var(--yellow); border-color: var(--yellow); color: var(--void); font-weight: 700; }
.lb--on:hover { background: var(--amber); border-color: var(--amber); color: var(--void); }
.more { margin-top: 22px; border-top: 1px solid var(--rule); }
.more summary { padding: 12px 0; cursor: pointer; font-size: 15px; color: var(--ink-2); }
.more summary:hover { color: var(--amber); }
.mk { margin: 12px 0 6px; font-size: 13px; letter-spacing: .08em; color: var(--ink-3); }
.feats, .works { list-style: none; margin: 0; padding: 0; }
.feats li { position: relative; padding-left: 16px; margin: 4px 0; font-size: 15px; line-height: 1.7; }
.feats li::before { content: ""; position: absolute; left: 0; top: .72em; width: 7px; height: 7px; background: var(--orange); }
.works li { margin: 6px 0 10px; font-size: 15px; line-height: 1.6; }
.works small { display: block; font-size: 13px; color: var(--ink-3); }
.links { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 0; font-size: 14px; }
.note { margin: 18px 0 0; font-size: 12.5px; color: var(--ink-3); }

/* ---------- 各问 ---------- */
.scr { scroll-margin-top: 16px; }
.scr__in { padding: 64px 0 90px; border-top: 1px solid var(--rule); }
.rd { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 16px; margin: 0 0 10px; font-size: 14px; color: var(--ink-3); }
.rd b { font-family: var(--grot); font-weight: 300; font-size: 64px; line-height: 1; letter-spacing: -.02em; color: var(--amber); font-variation-settings: "opsz" 96; }
.rd__n { margin-left: auto; padding: 1px 10px; border: 1px solid var(--rule); font-size: 13px; }
.scr h2 { margin: 0 0 28px; font-weight: 900; font-size: clamp(34px, 4.4vw, 54px); line-height: 1.22; letter-spacing: -.01em; }
.scr__b { max-width: 40em; }
.lede { margin: 0 0 26px; font-size: 18px; line-height: 1.95; }
.say { margin: 0 0 30px; padding: 2px 0 2px 20px; border-left: 3px solid var(--mag); }
.say p { margin: 0; font-size: 21px; font-weight: 500; line-height: 1.7; }
.say p[lang="en"] { font-family: var(--grot); font-weight: 400; font-size: 24px; line-height: 1.45; }
.say__zh { display: block; margin-top: 6px; font-size: 15.5px; color: var(--ink-2); }
.say cite { display: block; margin-top: 8px; font-style: normal; font-size: 13px; color: var(--ink-3); }

.wg { max-width: 900px; margin: 34px 0; padding: 20px 22px 18px; background: var(--panel); border: 1px solid var(--rule); }
.wg__h { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin: 0 0 14px; font-weight: 700; font-size: 16px; }
.wg__h small { font-weight: 400; font-size: 13px; color: var(--ink-3); }
.wg svg { display: block; width: 100%; max-width: 760px; height: auto; font-family: var(--sans); }
.wg__out { min-height: 3.5em; max-width: 44em; margin: 14px 0 0; font-size: 15.5px; line-height: 1.85; color: var(--ink); }
.wg figcaption, .plate figcaption { margin-top: 10px; font-size: 13px; line-height: 1.7; color: var(--ink-3); }
.seg { display: inline-flex; flex-wrap: wrap; margin-bottom: 14px; border: 1px solid var(--ink-3); }
.seg button { padding: 5px 14px; border: 0; border-left: 1px solid var(--ink-3); background: transparent; font-size: 14px; line-height: 1.5; cursor: pointer; color: var(--ink-2); }
.seg button:first-child { border-left: 0; }
.seg button:hover { color: var(--ink); background: rgba(236, 231, 241, .06); }
.seg button[aria-checked="true"] { background: var(--ink); color: var(--void); }
.seg--wrap { display: flex; }

/* 减速带 */
.wg-bump .road { fill: #2a2238; }
.wg-bump .lane { stroke: var(--ink-3); stroke-width: 2; stroke-dasharray: 18 14; }
.wg-bump .bb { fill: var(--yellow); }
.wg-bump .sp { fill: #120e1b; }
.wg-bump .car rect, .wg-bump .car path { fill: var(--ink-2); }
.wg-bump .car circle { fill: #0b0820; stroke: var(--ink-2); stroke-width: 3; }
.wg-bump .bike circle, .wg-bump .bike path { fill: none; stroke: var(--ink); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.wg-bump .bike circle:last-of-type { fill: var(--ink); }
.wg-bump .who, .wg-bump .bump, .wg-bump .tag { display: none; }
.wg-bump .tag { font-size: 22px; font-weight: 900; }
.wg-bump .t-road { fill: var(--yellow); }
.wg-bump .t-campus { fill: var(--mag); }
.wg-bump .t-design { fill: var(--amber); }
.wg-bump[data-v="road"] .w-car, .wg-bump[data-v="road"] .b-full, .wg-bump[data-v="road"] .t-road,
.wg-bump[data-v="campus"] .w-bike, .wg-bump[data-v="campus"] .b-full, .wg-bump[data-v="campus"] .t-campus,
.wg-bump[data-v="design"] .w-bike, .wg-bump[data-v="design"] .w-car, .wg-bump[data-v="design"] .b-gap, .wg-bump[data-v="design"] .t-design { display: inline; }
.wg-bump[data-v="design"] .w-car { transform: translateX(-120px); }
.wg-bump[data-v="design"] .w-bike { transform: translateX(88px); }
.wg-bump .field { opacity: .9; }

/* 跳伞 */
.wg-chute .v1, .wg-chute .v2, .wg-chute .v3 { display: none; }
.wg-chute[data-v="in"] .v1, .wg-chute[data-v="out"] .v2, .wg-chute[data-v="liu"] .v3 { display: inline; }
.wg-chute .sky { fill: #221a36; }
.wg-chute .land { fill: #3a2b4f; }
.wg-chute .grid path, .wg-chute .grid line { stroke: rgba(236, 231, 241, .22); stroke-width: 1.2; fill: none; }
.wg-chute .strap { stroke: var(--ink-3); stroke-width: 3; fill: none; }
.wg-chute .foot { fill: var(--orange); }
.wg-chute .canopy { fill: var(--yellow); }
.wg-chute .line { stroke: var(--ink-2); stroke-width: 1.2; fill: none; }
.wg-chute .body { fill: var(--orange); stroke: var(--orange); stroke-width: 2; }
.wg-chute .lw { fill: none; stroke: var(--amber); stroke-width: 2; stroke-dasharray: 6 6; }
.wg-chute .v3 text { fill: var(--ink); font-size: 16px; font-weight: 700; }
.wg-chute .v3 .et { fill: var(--amber); font-family: var(--grot); font-size: 18px; }

/* 同出一源 */
.wg-root .bl { font-weight: 900; font-size: 26px; fill: #120e1b; transition: opacity .2s; }
.wg-root .s0, .wg-root .s1, .wg-root .s2 { font-size: 14px; font-weight: 700; }
.wg-root .l1, .wg-root .s1, .wg-root .l2, .wg-root .s2 { opacity: 0; }
.rng { display: flex; align-items: center; gap: 12px; margin-top: 8px; font-size: 14px; color: var(--ink-2); }
.rng input { flex: 1; accent-color: var(--amber); }
.chap { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--rule); }
.chap__h { margin: 0 0 10px; font-size: 14px; color: var(--ink-2); }
.chap__out { min-height: 1.8em; margin: 0; font-size: 15px; color: var(--ink); }

/* 数据化增强 */
.mx { display: grid; grid-template-columns: 84px repeat(4, minmax(0, 1fr)); gap: 4px; max-width: 560px; }
.mx__c { display: grid; place-items: center; min-height: 46px; border: 0; background: transparent; font-size: 14px; }
.mx__col, .mx__row { color: var(--ink-2); cursor: default; }
.mx__row { justify-content: start; }
.mx__cell { background: var(--indigo); transition: background .3s; }
.wg-mx.on .mx__cell { animation: warm 2.4s ease-out forwards; animation-delay: calc((var(--r) + var(--c)) * 140ms); }
@keyframes warm { 0% { background: var(--indigo); } 40% { background: var(--mag); } 100% { background: var(--amber); } }
.mx__cell.x { outline: 2px solid var(--white); outline-offset: -2px; }
.mx__c.x { color: var(--yellow); }
.risk { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 6px; }
.risk li { padding: 8px 12px; background: var(--panel-2); font-size: 14.5px; line-height: 1.75; color: var(--ink-2); }
.risk b { display: inline-block; margin-right: 10px; color: var(--yellow); }

/* 身联网 */
.iob { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: 26px; align-items: start; }
.iob__body .sil circle, .iob__body .sil > path:not(.limb) { fill: url(#bodyheat); }
.iob__body .limb { fill: none; stroke: #7a1f8f; stroke-width: 20; stroke-linecap: round; }
.iob__body .flow path { fill: none; stroke: var(--ink-3); stroke-width: 1.5; stroke-dasharray: 3 6; opacity: .5; }
.iob__body .flow path.on { stroke: var(--yellow); opacity: 1; animation: flow 1.2s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -18; } }
.iob__body .self circle { fill: var(--panel-2); stroke: var(--ink-2); stroke-width: 1.5; stroke-dasharray: 2 3; }
.iob__body .self text { fill: var(--ink-2); font-size: 13px; }
.iob__body .dev { cursor: pointer; outline: none; }
.iob__body .dev path { fill: var(--white); stroke: #0b0820; stroke-width: 1.5; }
.iob__body .dev .ping { fill: none; stroke: var(--white); stroke-width: 1.5; opacity: 0; }
.iob__body .dev:hover .ping, .iob__body .dev:focus-visible .ping, .iob__body .dev.on .ping { opacity: 1; }
.iob__out { min-height: 3.6em; margin: 0 0 16px; font-size: 15.5px; line-height: 1.8; }
.code { display: grid; grid-template-columns: 116px minmax(0, 1fr); gap: 16px; align-items: center; padding: 12px; background: var(--panel-2); }
.code svg path { fill: var(--qr, #2fb36d); transition: fill .3s; }
.code svg { background: #fff; padding: 4px; }
.code label { font-size: 13.5px; color: var(--ink-2); }
.code input { width: 100%; accent-color: var(--qr, #2fb36d); }
.code__t { margin: 4px 0 0; font-size: 14px; color: var(--ink-2); }
.code__t b { font-family: var(--grot); font-size: 26px; font-weight: 600; color: var(--ink); }
.code__n { margin: 12px 0 0; font-size: 14px; line-height: 1.75; color: var(--ink-3); }

/* 两张网 */
.wg-net .ed path { stroke: rgba(236, 231, 241, .2); stroke-width: 1.2; }
.wg-net .st path { stroke: rgba(249, 154, 30, .45); stroke-width: 1.2; display: none; }
.wg-net .cloud { display: none; }
.wg-net .cloud ellipse { fill: var(--panel-2); stroke: var(--amber); stroke-width: 1.5; }
.wg-net .cloud text { fill: var(--amber); font-size: 13px; }
.wg-net[data-v="iob"] .ed path { display: none; }
.wg-net[data-v="iob"] .st path, .wg-net[data-v="iob"] .cloud { display: inline; }
.wg-net .jw { cursor: pointer; outline: none; }
.wg-net .jw__o { fill: #241c34; stroke: var(--ink-3); stroke-width: 1.5; transition: fill .25s; }
.wg-net .jw:hover .jw__o, .wg-net .jw:focus-visible .jw__o { stroke: var(--white); }
.wg-net .jw.on .jw__o { fill: var(--orange); stroke: var(--white); }
.wg-net .jw__r circle { fill: var(--yellow); }
.wg-net .st path.on { stroke: var(--yellow); stroke-width: 2.5; }

/* 屏幕 */
.wg-scr .rings circle { fill: none; stroke-width: 26; transition: transform .7s cubic-bezier(.6, 0, .3, 1), opacity .5s; transform-box: view-box; transform-origin: 339px 171px; }
.wg-scr .r3 { stroke: rgba(122, 31, 143, .55); }
.wg-scr .r2 { stroke: rgba(194, 47, 107, .55); }
.wg-scr .r1 { stroke: rgba(239, 91, 43, .55); }
.wg-scr .rings text { fill: var(--ink); font-size: 14px; font-weight: 700; transition: opacity .4s; }
.wg-scr .me circle { fill: var(--ink); }
.wg-scr .me path { stroke: var(--ink); stroke-width: 3; stroke-linecap: round; fill: none; }
.wg-scr .phone { fill: #0b0820; stroke: var(--ink-2); stroke-width: 2; transition: fill .4s; }
.wg-scr .loop { fill: none; stroke: var(--yellow); stroke-width: 2.5; stroke-dasharray: 4 5; opacity: 0; transition: opacity .4s; }
.wg-scr[data-v="cen"] .rings circle { transform: scale(.06); opacity: .15; }
.wg-scr[data-v="cen"] .rings text { opacity: 0; }
.wg-scr[data-v="cen"] .phone { fill: var(--white); filter: drop-shadow(0 0 10px rgba(253, 211, 74, .9)); }
.wg-scr[data-v="cen"] .loop { opacity: 1; animation: flow 1.2s linear infinite; }

/* 图版：取景框 */
.plate { margin: 34px 0; }
.vf { position: relative; display: inline-block; max-width: 100%; padding: 10px; border: 1px solid var(--rule); }
.vf img { display: block; max-width: 100%; height: auto; }
.plate--tall .vf { max-width: 360px; }
.vf__c { position: absolute; inset: 0; pointer-events: none; background:
  linear-gradient(var(--ink-2), var(--ink-2)) left top / 18px 2px no-repeat, linear-gradient(var(--ink-2), var(--ink-2)) left top / 2px 18px no-repeat,
  linear-gradient(var(--ink-2), var(--ink-2)) right top / 18px 2px no-repeat, linear-gradient(var(--ink-2), var(--ink-2)) right top / 2px 18px no-repeat,
  linear-gradient(var(--ink-2), var(--ink-2)) left bottom / 18px 2px no-repeat, linear-gradient(var(--ink-2), var(--ink-2)) left bottom / 2px 18px no-repeat,
  linear-gradient(var(--ink-2), var(--ink-2)) right bottom / 18px 2px no-repeat, linear-gradient(var(--ink-2), var(--ink-2)) right bottom / 2px 18px no-repeat; }
.plate figcaption { max-width: 44em; }

/* 每问的脚：概念、出处、追问 */
.scr__f { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr) minmax(0, 1fr); gap: 30px; margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--rule); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.tags li { padding: 2px 10px; border: 1px solid var(--rule); font-size: 13.5px; line-height: 1.7; color: var(--ink-2); }
.scr__f .go { margin-top: 10px; }
.asks a { display: block; margin: 0 0 10px; padding: 9px 12px; background: var(--panel); border-left: 3px solid var(--orange); text-decoration: none; line-height: 1.55; }
.asks a b { display: block; font-size: 15px; }
.asks a small { display: block; font-size: 12.5px; color: var(--ink-3); }
.asks a:hover { background: var(--panel-2); border-left-color: var(--yellow); color: var(--ink); }

/* 师承 */
.cast { list-style: none; margin: 10px 0 0; padding: 0; columns: 2; column-gap: 40px; }
.cast li { break-inside: avoid; margin: 0 0 18px; font-size: 14.5px; line-height: 1.75; color: var(--ink-2); }
.cast li p { margin: 0; }
.cast li p:first-child { display: flex; align-items: baseline; gap: 10px; color: var(--ink); }
.cast b { font-size: 17px; }
.cast span { padding: 0 6px; border: 1px solid var(--rule); font-size: 12px; line-height: 1.6; color: var(--ink-3); }
.scr__f--end { grid-template-columns: 1fr; }
.fine p { max-width: 46em; margin: 0 0 8px; font-size: 13px; line-height: 1.8; color: var(--ink-3); }
.fine a { color: var(--ink-2); }

/* ---------- 窄屏 ---------- */
@media (max-width: 1000px) {
  .scale { display: none; }
  main, .lbar { padding-left: 20px; padding-right: 20px; }
  .hero { grid-template-columns: minmax(0, 1fr); grid-template-areas: "top" "cam" "rest"; grid-template-rows: auto; row-gap: 28px; padding-top: 24px; }
  .cam { max-width: 520px; }
  .scr__f { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .iob { grid-template-columns: minmax(0, 1fr); }
  .iob__body { max-width: 300px; }
}
@media (max-width: 640px) {
  body.li { font-size: 16px; }
  main, .lbar { padding-left: 16px; padding-right: 16px; }
  .hide-s { display: none; }
  .lbar__nav { gap: 14px; }
  .id h1 { font-size: 84px; }
  .en { font-size: 22px; margin-bottom: 18px; }
  .who { font-size: 20px; }
  .motto p { font-size: 18px; }
  .scr__in { padding: 44px 0 64px; }
  .rd b { font-size: 48px; }
  .rd__n { margin-left: 0; }
  .scr h2 { font-size: 32px; }
  .lede { font-size: 16.5px; }
  .say p { font-size: 18px; }
  .say p[lang="en"] { font-size: 20px; }
  .wg { padding: 16px 14px 14px; margin-left: -4px; margin-right: -4px; }
  .mx { grid-template-columns: 64px repeat(4, minmax(0, 1fr)); }
  .mx__c { font-size: 13px; min-height: 40px; }
  .code { grid-template-columns: 90px minmax(0, 1fr); }
  .cast { columns: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .wg-scr .rings circle, .wg-scr .rings text, .wg-scr .phone, .wg-scr .loop, .mx__cell { transition: none; }
  .wg-mx.on .mx__cell { animation: none; background: var(--amber); }
  .iob__body .flow path.on, .wg-scr[data-v="cen"] .loop { animation: none; }
}
/* 追问署名里的关系标签：热像的高温色 */
.asks .rel { display: inline-block; margin-right: 6px; padding: 0 5px; background: var(--orange); color: var(--void); font-weight: 700; font-size: 11.5px; line-height: 1.6; }

/* ---------- 群聊（对话录）：追问下面的入口，热像仪里一块块发热的面板；点开是多人群聊窗口（窗口在 dlg.css，这里只配色） ---------- */
.li .av { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--av-bg); color: var(--av-fg);
  font: 700 11px/1 var(--sans); font-style: normal; letter-spacing: 0; flex: none; box-shadow: 0 0 0 1px rgba(0, 0, 0, .15) inset; }
.li .askcol { min-width: 0; }
.li .talk { display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-areas: "av n" "t t"; gap: 6px 10px; align-items: center; margin: 0 0 10px;
  padding: 9px 12px 10px; background: linear-gradient(90deg, rgba(239, 91, 43, .2), rgba(26, 21, 38, 0) 60%), var(--panel); box-shadow: inset 3px 0 0 var(--amber);
  color: var(--ink); text-decoration: none; line-height: 1.55; }
.li .talk:hover, .li .talk:focus-visible { background: linear-gradient(90deg, rgba(253, 211, 74, .14), rgba(36, 28, 52, 0) 65%), var(--panel-2); box-shadow: inset 3px 0 0 var(--yellow); color: var(--ink); }
.li .talk__av { grid-area: av; display: flex; align-items: center; }
.li .talk__av .av { width: 26px; height: 26px; font-size: 10px; margin-left: -8px; box-shadow: 0 0 0 2px var(--panel), 0 0 10px rgba(249, 154, 30, .35); }
.li .talk__av .av:first-child { margin-left: 0; }
.li .talk__av b { margin-left: 5px; font-size: 12px; font-weight: 500; color: var(--ink-2); }
.li .talk__t { grid-area: t; font-weight: 700; font-size: 15px; }
.li .talk__n { grid-area: n; font-size: 12.5px; color: var(--ink-2); }
.li .wm { display: flex; flex-wrap: wrap; gap: 6px 22px; margin: 0 0 4px; font-size: 15px; }
/* 群聊窗口：热像仪的暗场，琥珀色作强调 */
body.li .dlg { --dlg-bg: #120e1b; --dlg-paper: #1d1729; --dlg-ink: #ece7f1; --dlg-ink-2: #c4bcd2; --dlg-ink-3: #a59db6; --dlg-rule: rgba(236, 231, 241, .14);
  --dlg-me: #f99a1e; --dlg-me-ink: #120e1b; --dlg-acc: #f9a83a; --dlg-mod: rgba(236, 231, 241, .07); --dlg-font: var(--sans); --dlg-ui: var(--sans); }