:root{
  --v12-ink:#18231f;
  --v12-muted:#66706b;
  --v12-jade:#0f5146;
  --v12-jade-deep:#083a32;
  --v12-red:#a23b2c;
  --v12-gold:#a88a58;
  --v12-paper:#f6f4ef;
  --v12-paper-2:#ece8df;
  --v12-white:#fff;
  --v12-line:rgba(24,35,31,.14);
  --v12-shadow:0 24px 70px rgba(8,40,34,.12);
  --v12-display:"Songti SC","STSong","SimSun",serif;
  --v12-body:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --v12-container:min(1320px,calc(100% - 72px));
}

html{scroll-padding-top:112px}
body{background:var(--v12-paper);color:var(--v12-ink);font-family:var(--v12-body);font-size:16px;line-height:1.76}
.container{width:var(--v12-container)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(162,59,44,.45);outline-offset:3px}

/* Header: one utility line, one task-oriented navigation line. */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);border:0;box-shadow:0 1px 0 var(--v12-line);backdrop-filter:blur(18px)}
.v12-utility{height:34px;background:var(--v12-jade-deep);color:rgba(255,255,255,.78);font-size:12px;letter-spacing:.04em}
.v12-utility .container{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.v12-utility nav{display:flex;gap:22px}
.v12-utility a:hover{color:#fff}
.nav-shell{width:var(--v12-container);min-height:76px;gap:36px}
.brand{gap:13px;min-width:310px}
.brand img{width:48px;height:48px;object-fit:contain}
.brand span{line-height:1.2}
.brand b{font:700 18px/1.25 var(--v12-display);letter-spacing:.055em;color:var(--v12-ink)}
.brand small{margin-top:5px;color:var(--v12-muted);font-size:11px;letter-spacing:.08em}
.site-header #main-nav{gap:7px;font-size:14px}
.site-header #main-nav>a,.site-header .nav-group>button{padding:26px 13px 23px;border-bottom:3px solid transparent;color:var(--v12-ink);font-weight:600}
.site-header #main-nav>a:hover,.site-header #main-nav>a[aria-current="page"],.site-header .nav-group>button:hover,.site-header .nav-group>button[aria-expanded="true"]{color:var(--v12-red);border-bottom-color:var(--v12-red)}
.nav-group>button:after{content:"＋";margin-left:7px;font-size:12px;font-weight:400}
.nav-group>button[aria-expanded="true"]:after{content:"－"}
.nav-drop{top:73px;left:auto;right:0;transform:none;min-width:470px;padding:24px;background:#fff;border:0;border-top:3px solid var(--v12-red);box-shadow:var(--v12-shadow);grid-template-columns:1fr 1fr;gap:3px}
.nav-drop a{padding:13px 15px;display:grid;gap:2px}
.nav-drop a strong{font-size:14px}
.nav-drop a span{font-size:12px;color:var(--v12-muted)}
.nav-drop a:hover{background:var(--v12-paper);color:var(--v12-jade)}
.nav-group:focus-within .nav-drop{display:none}
.nav-group:hover .nav-drop,.nav-group>button[aria-expanded="true"]+.nav-drop{display:grid}

/* The homepage has a strong visual hierarchy rather than a stack of equal cards. */
.v12-home-hero{position:relative;min-height:min(760px,calc(100vh - 110px));display:flex;align-items:center;background:var(--v12-jade-deep);color:#fff;overflow:hidden}
.v12-home-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 38%}
.v12-home-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,36,31,.94) 0%,rgba(5,36,31,.75) 38%,rgba(5,36,31,.16) 72%),linear-gradient(0deg,rgba(5,36,31,.48),transparent 44%)}
.v12-hero-copy{position:relative;z-index:2;width:var(--v12-container);margin:auto;padding:96px 0 110px}
.v12-hero-copy .eyebrow{color:#dfcaa6;margin-bottom:22px}
.v12-hero-copy h1{max-width:760px;margin:0 0 24px;font:700 clamp(46px,5.2vw,76px)/1.18 var(--v12-display);letter-spacing:.055em;text-wrap:balance}
.v12-hero-copy>p:not(.eyebrow){max-width:690px;margin-bottom:34px;color:rgba(255,255,255,.82);font-size:clamp(17px,1.55vw,21px)}
.v12-hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.v12-hero-actions .button{min-height:52px;padding:0 28px}
.v12-hero-actions .button.primary{background:var(--v12-red)}
.v12-hero-actions .button.line{border-color:rgba(255,255,255,.58);color:#fff}
.v12-hero-caption{position:absolute;z-index:2;right:max(36px,calc((100vw - 1320px)/2));bottom:28px;color:rgba(255,255,255,.74);font-size:13px}

.v12-taskbar{position:relative;z-index:4;width:var(--v12-container);margin:-44px auto 0;background:#fff;box-shadow:var(--v12-shadow);display:grid;grid-template-columns:repeat(4,1fr)}
.v12-taskbar a{min-height:132px;padding:26px 28px;border-right:1px solid var(--v12-line);display:grid;align-content:center;gap:5px;transition:.22s ease}
.v12-taskbar a:last-child{border-right:0}
.v12-taskbar a:hover{background:var(--v12-jade);color:#fff;transform:translateY(-4px)}
.v12-taskbar span{color:var(--v12-red);font-size:12px;letter-spacing:.14em}
.v12-taskbar b{font:700 23px/1.35 var(--v12-display)}
.v12-taskbar small{color:var(--v12-muted);font-size:13px}
.v12-taskbar a:hover span,.v12-taskbar a:hover small{color:rgba(255,255,255,.72)}

.v12-section{padding:clamp(82px,8vw,126px) 0}
.v12-section-head{display:grid;grid-template-columns:minmax(0,.8fr) minmax(300px,.55fr);align-items:end;gap:8vw;margin-bottom:48px}
.v12-section-head .eyebrow{margin-bottom:10px}
.v12-section-head h2{margin:0;font:700 clamp(34px,3.3vw,48px)/1.26 var(--v12-display);letter-spacing:.025em}
.v12-section-head>p{margin:0;color:var(--v12-muted);font-size:17px}

.v12-project-stage{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(310px,.55fr);gap:22px}
.v12-feature-card{position:relative;min-height:610px;overflow:hidden;background:var(--v12-jade-deep);color:#fff}
.v12-feature-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.v12-feature-card:hover img{transform:scale(1.025)}
.v12-feature-card:after{content:"";position:absolute;inset:28% 0 0;background:linear-gradient(transparent,rgba(5,36,31,.96))}
.v12-feature-card>div{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:40px}
.v12-feature-card span{font-size:12px;letter-spacing:.16em;color:#e0c69e}
.v12-feature-card h3{font:700 clamp(32px,3vw,44px)/1.2 var(--v12-display);margin:7px 0 10px}
.v12-feature-card p{max-width:600px;color:rgba(255,255,255,.75)}
.v12-project-list{background:var(--v12-paper-2);padding:12px 30px;display:grid;align-content:start}
.v12-project-list>a{display:grid;grid-template-columns:38px 1fr auto;align-items:center;gap:10px;padding:17px 0;border-bottom:1px solid var(--v12-line)}
.v12-project-list>a span{color:var(--v12-red);font-size:12px}
.v12-project-list>a b{font:700 19px var(--v12-display)}
.v12-project-list>a i{font-style:normal;color:var(--v12-jade)}
.v12-project-list>a:hover b{color:var(--v12-red)}
.v12-project-list .v12-all{margin-top:14px;border:0;color:var(--v12-jade);font-weight:700}

.v12-method{background:var(--v12-jade-deep);color:#fff;position:relative;overflow:hidden}
.v12-method:before{content:"";position:absolute;inset:0;opacity:.18;background:repeating-linear-gradient(135deg,transparent 0 34px,rgba(255,255,255,.18) 34px 35px,transparent 35px 69px)}
.v12-method .container{position:relative}
.v12-method .v12-section-head>p{color:rgba(255,255,255,.68)}
.v12-method .eyebrow{color:#dfcaa6}
.v12-flow{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid rgba(255,255,255,.25);border-bottom:1px solid rgba(255,255,255,.25)}
.v12-flow article{min-height:235px;padding:30px 24px;border-right:1px solid rgba(255,255,255,.2)}
.v12-flow article:last-child{border-right:0}
.v12-flow span{color:#e3c59b;font-size:12px}
.v12-flow h3{font:700 26px var(--v12-display);margin:17px 0 12px}
.v12-flow p{color:rgba(255,255,255,.66);font-size:14px}

.v12-video-grid{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(300px,.65fr);gap:clamp(34px,5vw,76px);align-items:center}
.v12-video-grid video{width:100%;aspect-ratio:16/9;object-fit:cover;background:#071b17;box-shadow:var(--v12-shadow)}
.v12-video-copy h2{font:700 clamp(32px,3vw,44px)/1.3 var(--v12-display)}
.v12-video-copy p{color:var(--v12-muted)}
.v12-video-copy a{color:var(--v12-jade);font-weight:700;border-bottom:1px solid var(--v12-gold)}

.v12-audiences{background:#fff}
.v12-audience-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--v12-line)}
.v12-audience-grid article{padding:34px 28px;border-right:1px solid var(--v12-line);border-bottom:1px solid var(--v12-line)}
.v12-audience-grid article:last-child{border-right:0}
.v12-audience-grid span{color:var(--v12-red);font-size:12px;letter-spacing:.12em}
.v12-audience-grid h3{font:700 25px var(--v12-display);margin:13px 0 10px}
.v12-audience-grid p{color:var(--v12-muted);font-size:14px}

.v12-yunnan{display:grid;grid-template-columns:minmax(0,1.22fr) minmax(330px,.78fr);align-items:stretch;background:var(--v12-paper-2)}
.v12-yunnan figure{margin:0;min-height:570px}
.v12-yunnan img{width:100%;height:100%;object-fit:cover}
.v12-yunnan>div{padding:clamp(50px,6vw,86px);display:grid;align-content:center}
.v12-yunnan h2{font:700 clamp(34px,3.2vw,46px)/1.3 var(--v12-display)}
.v12-yunnan p{color:var(--v12-muted)}
.v12-yunnan-links{display:grid;margin-top:22px;border-top:1px solid var(--v12-line)}
.v12-yunnan-links a{padding:15px 0;border-bottom:1px solid var(--v12-line);display:flex;justify-content:space-between;font-weight:700}
.v12-yunnan-links a:hover{color:var(--v12-red)}

.v12-research-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.v12-research-grid>a{position:relative;min-height:380px;padding:44px;background:var(--v12-jade);color:#fff;display:grid;align-content:end;overflow:hidden}
.v12-research-grid>a:nth-child(2){background:var(--v12-paper-2);color:var(--v12-ink)}
.v12-research-grid>a:before{content:"";position:absolute;width:240px;height:240px;border:1px solid currentColor;opacity:.16;right:-70px;top:-70px;transform:rotate(45deg)}
.v12-research-grid span{font-size:12px;letter-spacing:.14em;color:#dfcaa6}
.v12-research-grid>a:nth-child(2) span{color:var(--v12-red)}
.v12-research-grid h3{font:700 clamp(30px,3vw,42px)/1.25 var(--v12-display);margin:12px 0}
.v12-research-grid p{max-width:600px;opacity:.72}

.v12-callout{background:var(--v12-red);color:#fff}
.v12-callout .container{min-height:300px;display:grid;grid-template-columns:1fr auto;gap:50px;align-items:center}
.v12-callout h2{font:700 clamp(34px,3.6vw,50px)/1.3 var(--v12-display);margin-bottom:12px}
.v12-callout p{color:rgba(255,255,255,.75);margin:0}
.v12-callout .button{background:#fff;color:var(--v12-red);min-height:54px;padding:0 30px}

/* Interior pages inherit the content, but gain the same scale and navigation rhythm. */
.breadcrumbs{margin:24px auto;color:var(--v12-muted)}
.page-hero{padding:clamp(64px,7vw,96px) 0;background:linear-gradient(110deg,var(--v12-paper) 0 67%,var(--v12-paper-2) 67%);border-color:var(--v12-line)}
.page-hero--text-only{background:var(--v12-paper);padding:clamp(76px,8vw,118px) 0}
.page-hero--text-only .page-hero-grid{grid-template-columns:minmax(0,820px)}
.page-hero--text-only .lead{max-width:640px}
.page-hero h1{font-size:clamp(38px,4vw,56px);color:var(--v12-ink)}
.page-hero .lead{color:var(--v12-muted)}
.page-hero-visual img{box-shadow:var(--v12-shadow)}
.project-hero{min-height:650px}
.project-hero-shade{background:linear-gradient(90deg,rgba(5,36,31,.92),rgba(5,36,31,.12) 72%),linear-gradient(transparent,rgba(5,36,31,.64))}
.project-local-nav{top:110px;background:rgba(255,255,255,.96)}
.section{padding:clamp(72px,7vw,106px) 0}
.paper-band{background:var(--v12-paper-2)}
.paper-band:before{height:4px;opacity:.32;background:repeating-linear-gradient(90deg,transparent 0 30px,var(--v12-gold) 30px 31px,transparent 31px 60px,var(--v12-red) 60px 61px,transparent 61px 92px)}
.dark-band,.technique-band{background:var(--v12-jade-deep)}
.button.primary{background:var(--v12-jade)}
.button.line{border-color:var(--v12-line)}
.text-link{color:var(--v12-jade);border-color:var(--v12-gold)}
.project-mosaic{gap:20px}
.project-tile{min-height:380px}
.project-tile a{box-shadow:0 8px 24px rgba(8,40,34,.08)}
.project-tile span{padding:80px 24px 22px;font-size:25px}
.function-grid,.source-catalog,.contact-reading{gap:18px;background:transparent;border:0}
.function-grid article,.source-catalog article,.contact-reading article{border:0;border-top:3px solid var(--v12-gold);box-shadow:0 10px 36px rgba(8,40,34,.06);background:#fff}
.archive-rows article{grid-template-columns:64px 200px 1fr auto;padding:25px 0}
.archive-rows article:hover{background:rgba(255,255,255,.55)}
.group-hero{background:var(--v12-jade-deep);padding:110px 0}

footer{padding:78px 0 26px;background:#111c18;color:#fff}
footer:before{height:4px;background:repeating-linear-gradient(90deg,var(--v12-gold) 0 1px,transparent 1px 30px,var(--v12-red) 30px 31px,transparent 31px 62px)}
.v12-footer-grid{display:grid;grid-template-columns:1.45fr repeat(3,.55fr);gap:6vw}
.v12-footer-grid h2{font:700 28px/1.4 var(--v12-display);margin:12px 0}
.v12-footer-grid>div:not(:first-child){display:grid;align-content:start;gap:7px}
.v12-footer-grid p{color:rgba(255,255,255,.58)}
.v12-footer-grid .footer-label{color:#d3b98f}
.v12-footer-grid a{color:rgba(255,255,255,.72);font-size:14px}
.v12-footer-grid a:hover{color:#fff}
.footer-bottom{justify-content:space-between;color:rgba(255,255,255,.48)}
.footer-beian-links{margin-left:auto;display:inline-flex;align-items:center;gap:20px;flex-wrap:wrap}
.footer-beian-links a{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.72)}
.footer-beian-links a:hover{color:#fff}
.footer-beian-links img{height:18px;width:auto;display:block}

.knowledge-section{background:#fff}
.knowledge-node-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--v12-line);border-left:1px solid var(--v12-line)}
.knowledge-node-grid article{min-height:210px;padding:30px 26px;border-right:1px solid var(--v12-line);border-bottom:1px solid var(--v12-line)}
.knowledge-node-grid span{color:var(--v12-red);font-size:12px;letter-spacing:.12em}
.knowledge-node-grid h3{margin:18px 0 10px;font:700 26px var(--v12-display)}
.knowledge-node-grid p{margin:0;color:var(--v12-muted);font-size:14px}
.knowledge-relations-section{background:var(--v12-jade-deep);color:#fff}
.knowledge-layout{display:grid;grid-template-columns:minmax(260px,.58fr) minmax(0,1.42fr);gap:clamp(48px,8vw,120px);align-items:start}
.knowledge-layout h2,.knowledge-build-grid h2{font:700 clamp(32px,3vw,44px)/1.28 var(--v12-display)}
.knowledge-layout>div:first-child>p:last-child{color:rgba(255,255,255,.67)}
.knowledge-relations{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid rgba(255,255,255,.22);border-left:1px solid rgba(255,255,255,.22)}
.knowledge-relations article{min-height:150px;padding:28px;display:grid;grid-template-columns:auto 1fr auto;align-content:center;align-items:center;gap:16px;border-right:1px solid rgba(255,255,255,.22);border-bottom:1px solid rgba(255,255,255,.22)}
.knowledge-relations b{font:700 19px var(--v12-display)}
.knowledge-relations span{text-align:center;color:#dfcaa6;font-size:12px}
.knowledge-build-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.knowledge-build-grid article{padding:44px;background:#fff;border-top:3px solid var(--v12-gold)}
.knowledge-build-grid ul{margin:24px 0 0;padding-left:1.25em;color:var(--v12-muted)}
.knowledge-build-grid li+li{margin-top:10px}

/* 证据型民族专题 */
.group-hero--evidence{padding:94px 0 88px;background:linear-gradient(110deg,#0b443b,#123f38 62%,#1f5449);position:relative;overflow:hidden}
.group-hero--evidence:after{content:"";position:absolute;inset:auto -8vw -115px auto;width:390px;height:390px;border:1px solid rgba(215,187,133,.23);border-radius:50%;box-shadow:0 0 0 48px rgba(215,187,133,.035),0 0 0 96px rgba(215,187,133,.025)}
.group-hero--evidence .container{position:relative;z-index:1}
.group-hero--evidence h1{margin:18px 0 20px;font:700 clamp(48px,6vw,76px)/1.1 var(--v12-display);color:#fff}
.group-hero--evidence .group-type{display:inline-flex;padding:6px 12px;border:1px solid rgba(255,255,255,.32);color:#f2dfbd;font-size:12px;letter-spacing:.08em}
.group-hero--evidence .container>p:last-child{max-width:860px;margin:0;color:rgba(255,255,255,.72);font-size:17px;line-height:1.9}
.group-section-nav{position:sticky;top:110px;z-index:7;background:rgba(251,250,246,.96);border-bottom:1px solid var(--v12-line);backdrop-filter:blur(12px)}
.group-section-nav .container{display:flex;gap:22px;overflow:auto;scrollbar-width:none}
.group-section-nav a{flex:0 0 auto;padding:16px 0 14px;color:var(--v12-muted);font-size:13px;border-bottom:2px solid transparent}
.group-section-nav a:hover{color:var(--v12-jade);border-color:var(--v12-red)}
.group-evidence-section{background:#f3f1eb}
.group-evidence-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:52px;align-items:start}
.group-evidence-list{border-top:1px solid #cfc9bd}
.group-evidence-card{display:grid;grid-template-columns:74px minmax(0,1fr);gap:24px;padding:34px 0;border-bottom:1px solid #d8d2c7;scroll-margin-top:178px}
.group-evidence-index{color:var(--v12-red);font:600 13px/1 var(--v12-body);letter-spacing:.12em;padding-top:8px}
.group-evidence-card h2{margin:8px 0 16px;font:700 clamp(25px,2.3vw,34px)/1.3 var(--v12-display)}
.group-evidence-card p:not(.eyebrow){margin:0;color:#4f5f5b;line-height:1.95}
.group-source-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.group-source-links a{padding:6px 10px;border:1px solid #c8c2b6;background:#faf9f5;color:var(--v12-jade);font-size:11px}
.group-evidence-aside{position:sticky;top:178px;padding:30px;background:#fff;border-top:3px solid var(--v12-gold);box-shadow:0 12px 38px rgba(12,52,44,.08)}
.group-evidence-aside h2{font:700 27px/1.35 var(--v12-display)}
.group-evidence-aside p:not(.seal){color:var(--v12-muted);line-height:1.8}

/* 可交互知识图谱 */
.kg-intro{padding:70px 0 54px;background:#f5f2ea;border-bottom:1px solid var(--v12-line)}
.kg-intro .container{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:70px;align-items:end}
.kg-intro h1{margin:10px 0 16px;font:700 clamp(42px,5vw,70px)/1.12 var(--v12-display);color:var(--v12-ink)}
.kg-intro .container>div>p:last-child{max-width:770px;margin:0;color:var(--v12-muted);font-size:17px;line-height:1.85}
.kg-intro dl{display:grid;grid-template-columns:repeat(3,96px);margin:0;border-left:1px solid var(--v12-line)}
.kg-intro dl div{padding-left:22px;border-right:1px solid var(--v12-line)}
.kg-intro dt{color:var(--v12-jade);font:700 30px/1 var(--v12-display)}
.kg-intro dd{margin:8px 0 0;color:var(--v12-muted);font-size:11px}
.kg-section{padding:36px 0 88px;background:#ebe9e2}
.kg-viewbar{display:flex;gap:6px;margin-bottom:14px;overflow:auto;scrollbar-width:none}
.kg-viewbar button{flex:0 0 auto;padding:11px 17px;border:1px solid #d2cec4;background:#f8f7f2;color:#55645f;font-size:13px;cursor:pointer}
.kg-viewbar button.is-active{background:var(--v12-jade);border-color:var(--v12-jade);color:#fff}
.kg-workspace{display:grid;grid-template-columns:220px minmax(430px,1fr) 285px;min-height:660px;background:#fff;border:1px solid #d6d2c8;box-shadow:0 20px 60px rgba(9,48,40,.09)}
.kg-sidebar,.kg-detail{padding:26px 22px;background:#faf9f5}
.kg-sidebar{border-right:1px solid #ddd8cd}
.kg-detail{border-left:1px solid #ddd8cd}
.kg-search span{display:block;margin-bottom:8px;color:#324842;font-size:12px;font-weight:700}
.kg-search{display:grid;grid-template-columns:1fr auto}
.kg-search input{min-width:0;padding:11px;border:1px solid #cfcabf;background:#fff;border-radius:0}
.kg-search button{padding:0 12px;border:0;background:#b34537;color:#fff;cursor:pointer}
.kg-search span{grid-column:1/-1}
.kg-guide{margin-top:34px;padding-top:24px;border-top:1px solid #ddd8cd}
.kg-guide ol{margin:15px 0 0;padding-left:20px;color:var(--v12-muted);font-size:13px;line-height:1.85}
.kg-legend{display:grid;grid-template-columns:1fr 1fr;gap:10px 8px;margin-top:28px;padding-top:22px;border-top:1px solid #ddd8cd;color:#52625d;font-size:11px}
.kg-legend span{display:flex;align-items:center;gap:7px}.kg-legend i{width:10px;height:10px;border-radius:50%;border:2px solid}
.kg-legend .project{background:#fffaf0;border-color:#b8914f}.kg-legend .group{background:#f4e7e1;border-color:#a64b3c}.kg-legend .object{background:#e6eef3;border-color:#6e91a5}.kg-legend .skill{background:#ede9f5;border-color:#82719e}.kg-legend .source{background:#f3efe5;border-color:#8e7955;border-radius:2px}
.kg-canvas-wrap{display:grid;grid-template-rows:auto 1fr;min-width:0;background:radial-gradient(circle at 50% 42%,#fff 0,#fbfaf6 46%,#f3f1ea 100%)}
.kg-canvas-head{display:flex;justify-content:space-between;align-items:center;min-height:64px;padding:12px 18px;border-bottom:1px solid #e0ddd5;background:rgba(255,255,255,.78)}
.kg-canvas-head>div:first-child{display:grid;grid-template-columns:auto auto;align-items:center;gap:2px 8px}.kg-canvas-head small{grid-column:2;color:var(--v12-muted);font-size:11px}.kg-status-dot{width:8px;height:8px;border-radius:50%;background:#28a57b;box-shadow:0 0 0 4px rgba(40,165,123,.12);grid-row:1/3}
.kg-controls{display:flex;gap:5px}.kg-controls button{min-width:34px;height:32px;border:1px solid #d4d0c6;background:#fff;color:#29453e;cursor:pointer}.kg-controls [data-kg-reset]{padding:0 10px;font-size:11px}
.kg-canvas{min-height:594px;touch-action:none}
.kg-detail .eyebrow{color:var(--v12-red)}.kg-detail h2{margin:10px 0 16px;font:700 30px/1.3 var(--v12-display)}.kg-detail>p:not(.eyebrow){color:var(--v12-muted);font-size:14px;line-height:1.85}
.kg-detail-relations{margin:25px 0;padding:20px 0;border-top:1px solid #ddd8cd;border-bottom:1px solid #ddd8cd}.kg-detail-relations>span{font-size:11px;font-weight:700;color:#29453e}.kg-detail-relations ul{margin:10px 0 0;padding-left:18px;color:var(--v12-muted);font-size:12px;line-height:1.75}
.kg-detail .button{width:100%;text-align:center}.kg-detail>small{display:block;margin-top:18px;color:#7a847f;line-height:1.7}
.kg-method{padding:88px 0;background:#fff}.kg-method-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--v12-line);border-left:1px solid var(--v12-line)}.kg-method-grid article{min-height:230px;padding:32px;border-right:1px solid var(--v12-line);border-bottom:1px solid var(--v12-line)}.kg-method-grid span{color:var(--v12-red);font-size:12px}.kg-method-grid h3{margin:26px 0 12px;font:700 25px var(--v12-display)}.kg-method-grid p{color:var(--v12-muted);font-size:14px;line-height:1.8}

/* 课程资源 */
.course-resource-grid article{min-height:265px}.course-resource-grid article p{line-height:1.85}
.course-path-section{padding:92px 0;background:var(--v12-jade-deep);color:#fff}
.course-path-section .v12-section-head>p{color:rgba(255,255,255,.67)}
.course-path{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.2);border-left:1px solid rgba(255,255,255,.2)}
.course-path article{min-height:280px;padding:32px 26px;border-right:1px solid rgba(255,255,255,.2);border-bottom:1px solid rgba(255,255,255,.2)}
.course-path b{color:#d9c095;font-size:12px;letter-spacing:.12em}.course-path h3{margin:34px 0 14px;font:700 27px var(--v12-display)}.course-path p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.85}
.course-evidence{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}.course-evidence h2{font:700 clamp(34px,3vw,46px)/1.25 var(--v12-display)}.course-evidence>div:first-child>p:last-child{color:var(--v12-muted);line-height:1.9}
.course-evidence>div:last-child{border-top:1px solid var(--v12-line)}.course-evidence a{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--v12-line)}.course-evidence a span{color:var(--v12-red);font-size:11px}.course-evidence a strong{font:700 18px var(--v12-display);color:var(--v12-ink)}

.rule-summary>p{margin:0 0 26px;font:400 19px/1.9 var(--v12-display);color:var(--v12-ink)}
.rule-summary dl{margin:0;border-top:1px solid var(--v12-line)}
.rule-summary dl>div{display:grid;grid-template-columns:112px 1fr;gap:22px;padding:15px 0;border-bottom:1px solid var(--v12-line)}
.rule-summary dt{color:var(--v12-red);font-size:12px;font-weight:700;letter-spacing:.06em}
.rule-summary dd{margin:0;color:var(--v12-muted);font-size:15px}
.rule-edition{display:block;margin-top:18px;color:var(--v12-muted);font-size:12px}

.v12-not-found{min-height:65vh;display:grid;place-items:center;text-align:center;padding:80px 24px}
.v12-not-found span{color:var(--v12-red);font-size:13px;letter-spacing:.16em}
.v12-not-found h1{font:700 clamp(48px,7vw,88px)/1.1 var(--v12-display);margin:18px 0}
.v12-not-found p{color:var(--v12-muted)}

+/* 赛事服务第一阶段 */
.events-hero{padding:clamp(48px,5vw,72px) 0;background:var(--v12-jade-deep);color:#fff;position:relative;overflow:hidden}
.events-hero+.events-section{padding-top:clamp(52px,5vw,78px)}
.events-hero:after{content:"";position:absolute;width:430px;height:430px;right:-120px;bottom:-260px;border:1px solid rgba(223,202,166,.22);border-radius:50%;box-shadow:0 0 0 54px rgba(223,202,166,.035),0 0 0 108px rgba(223,202,166,.025)}
.events-hero .container{position:relative;z-index:1}.events-hero .eyebrow{color:#dfcaa6}.events-hero h1,.events-detail-hero h1,.events-auth h1{margin:12px 0 18px;font:700 clamp(46px,5vw,70px)/1.13 var(--v12-display)}
.events-hero>div>p:not(.eyebrow){max-width:780px;margin:0;color:rgba(255,255,255,.76);font-size:19px}
.events-hero-note{display:inline-flex;margin-top:34px;padding:11px 15px;border-left:3px solid var(--v12-gold);background:rgba(255,255,255,.08);color:rgba(255,255,255,.72);font-size:13px}
.events-section{padding:clamp(72px,7vw,108px) 0}.events-documents{background:var(--v12-paper-2)}
.events-section-head{display:grid;grid-template-columns:minmax(0,.9fr) minmax(320px,.55fr);gap:7vw;align-items:end;margin-bottom:44px}.events-section-head>div>span{display:block;margin-bottom:12px;color:var(--v12-red);font-size:12px;letter-spacing:.18em}.events-section-head .eyebrow{margin:0 0 8px}.events-section-head h2,.event-detail-layout h2{margin:0;font:700 clamp(32px,3vw,46px)/1.28 var(--v12-display)}.events-section-head>p{margin:0;color:var(--v12-muted)}
.event-feature{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);background:#fff;box-shadow:var(--v12-shadow)}.event-feature-main{position:relative;min-height:450px;padding:clamp(38px,5vw,68px);display:grid;align-content:center;background:var(--v12-jade);color:#fff}.event-feature-main .eyebrow{color:#dfcaa6}.event-feature-main h3{max-width:620px;margin:13px 0 18px;font:700 clamp(34px,3.5vw,50px)/1.25 var(--v12-display)}.event-feature-main>p:not(.eyebrow){color:rgba(255,255,255,.68)}.event-state{position:absolute;top:28px;right:28px;padding:6px 12px;border:1px solid rgba(255,255,255,.36);font-size:12px;letter-spacing:.12em}.event-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:30px}.event-actions .button.primary{background:var(--v12-red)}.event-feature-main .button.line,.events-detail-hero .button.line{border-color:rgba(255,255,255,.4);color:#fff}
.event-facts{margin:0;padding:34px 42px;display:grid;grid-template-columns:1fr 1fr;align-content:center}.event-facts>div{padding:20px 0;border-bottom:1px solid var(--v12-line)}.event-facts>div:nth-child(odd){padding-right:24px}.event-facts dt{color:var(--v12-muted);font-size:12px}.event-facts dd{margin:5px 0 0;color:var(--v12-ink);font-weight:700}.event-facts-wide{padding:0;grid-template-columns:1fr 1fr}.event-facts-wide>div{padding:18px 0}
.event-table-wrap{overflow-x:auto;border-top:3px solid var(--v12-gold);background:#fff}.event-table{width:100%;min-width:760px;border-collapse:collapse;text-align:left}.event-table th,.event-table td{padding:18px 20px;border-bottom:1px solid var(--v12-line);font-size:13px}.event-table th{color:var(--v12-muted);font-weight:600;background:#fbfaf7}.event-empty{text-align:center!important;color:var(--v12-muted);padding:48px 20px!important}.events-documents .text-link{display:inline-block;margin-top:24px}
.events-entry-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--v12-line);border-left:1px solid var(--v12-line)}.events-entry-grid article{min-height:330px;padding:clamp(32px,4vw,50px);border-right:1px solid var(--v12-line);border-bottom:1px solid var(--v12-line);display:grid;align-content:end}.events-entry-grid span{color:var(--v12-red);font-size:12px;letter-spacing:.12em}.events-entry-grid h2{margin:20px 0 12px;font:700 34px var(--v12-display)}.events-entry-grid p{color:var(--v12-muted)}.events-entry-grid .text-link{justify-self:start;margin-top:20px}
.events-detail-hero{padding:clamp(76px,8vw,112px) 0;background:var(--v12-jade-deep);color:#fff}.events-detail-hero .eyebrow{color:#dfcaa6}.events-detail-hero h1{max-width:900px}.events-detail-hero>div>p:not(.eyebrow){max-width:760px;color:rgba(255,255,255,.7)}.event-local-nav{position:sticky;top:110px;z-index:7;background:rgba(255,255,255,.96);border-bottom:1px solid var(--v12-line);backdrop-filter:blur(12px)}.event-local-nav .container{display:flex;gap:26px;overflow:auto;scrollbar-width:none}.event-local-nav a{flex:0 0 auto;padding:16px 0 14px;color:var(--v12-muted);font-size:13px;border-bottom:2px solid transparent}.event-local-nav a:hover{color:var(--v12-red);border-color:var(--v12-red)}
.event-detail-layout{display:grid;grid-template-columns:minmax(260px,.58fr) minmax(0,1.42fr);gap:clamp(48px,8vw,120px);align-items:start}.event-detail-layout .eyebrow{margin-bottom:10px}.event-empty-block{margin:0 0 24px;padding:42px;background:#fff;border-top:3px solid var(--v12-gold);color:var(--v12-muted);text-align:center}.event-copy{color:var(--v12-muted);font-size:16px}.event-copy p+*{margin-top:24px}
.events-auth{padding:clamp(76px,8vw,118px) 0;background:var(--v12-jade-deep);color:#fff}.events-auth-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(360px,.65fr);gap:clamp(60px,9vw,140px);align-items:center}.events-auth .eyebrow{color:#dfcaa6}.events-auth-grid>div:first-child>p:not(.eyebrow){max-width:690px;color:rgba(255,255,255,.7);font-size:17px}.event-security-note{display:grid;gap:4px;margin-top:34px;padding:17px 19px;border-left:3px solid var(--v12-gold);background:rgba(255,255,255,.07)}.event-security-note span{color:rgba(255,255,255,.62);font-size:12px}
.events-auth-panel{padding:38px;background:#fff;color:var(--v12-ink);box-shadow:var(--v12-shadow);display:grid;gap:18px}.events-status-label{justify-self:start;padding:5px 9px;background:var(--v12-paper-2);color:var(--v12-red);font-size:11px;letter-spacing:.08em}.events-auth-panel label{display:grid;gap:7px;color:var(--v12-muted);font-size:12px}.events-auth-panel input{width:100%;padding:13px 14px;border:1px solid var(--v12-line);background:var(--v12-paper);color:var(--v12-muted)}.events-auth-panel button:disabled{cursor:not-allowed;opacity:.55}.events-auth-panel>a{text-align:center;color:var(--v12-jade);font-size:13px}
.event-process{counter-reset:none;display:grid;grid-template-columns:repeat(4,1fr);margin:0;padding:0;list-style:none;border-top:1px solid var(--v12-line);border-left:1px solid var(--v12-line)}.event-process li{min-height:280px;padding:30px 26px;border-right:1px solid var(--v12-line);border-bottom:1px solid var(--v12-line)}.event-process span{color:var(--v12-red);font-size:12px}.event-process strong{display:block;margin:46px 0 13px;font:700 23px var(--v12-display)}.event-process p{color:var(--v12-muted);font-size:13px}.event-role-list{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--v12-line);border-left:1px solid var(--v12-line)}.event-role-list article{min-height:300px;padding:34px;border-right:1px solid var(--v12-line);border-bottom:1px solid var(--v12-line)}.event-role-list code{color:var(--v12-red);font-size:12px}.event-role-list h3{margin:46px 0 14px;font:700 28px var(--v12-display)}.event-role-list p{color:var(--v12-muted)}
.event-reader-head{padding:48px 0;background:#fff;border-bottom:1px solid var(--v12-line)}.event-reader-head .container{display:flex;align-items:end;justify-content:space-between;gap:36px}.event-reader-head h1{margin:8px 0 0;font:700 clamp(34px,3.5vw,50px)/1.2 var(--v12-display)}.reader-actions{display:flex;gap:8px;flex-wrap:wrap}.reader-actions .button{min-height:46px}.reader-actions .is-disabled{pointer-events:none;opacity:.45}.event-reader-section{padding:32px 0 72px;background:#e8e6df}.event-reader{min-height:72vh;background:#fff;border:1px solid #d3cfc5;display:grid}.event-reader-empty{place-self:center;text-align:center;padding:70px 24px}.event-reader-empty span{color:var(--v12-red);font-size:12px;letter-spacing:.14em}.event-reader-empty h2{margin:14px 0 10px;font:700 clamp(30px,3vw,42px) var(--v12-display)}.event-reader-empty p{color:var(--v12-muted)}.event-reader object{width:100%;height:72vh;min-height:620px;border:0}.event-reader-noscript{color:var(--v12-red);text-align:center}
@media(max-width:1180px){.event-local-nav{top:76px}}
@media(max-width:860px){.events-section-head,.event-feature,.event-detail-layout,.events-auth-grid{grid-template-columns:1fr}.events-entry-grid,.event-role-list{grid-template-columns:1fr}.event-process{grid-template-columns:1fr 1fr}.event-reader-head .container{align-items:flex-start;flex-direction:column}.event-feature-main{min-height:390px}.event-local-nav{top:76px}}
@media(max-width:520px){.events-hero h1,.events-detail-hero h1,.events-auth h1{font-size:43px}.events-hero-note{display:block}.event-facts,.event-facts-wide{grid-template-columns:1fr;padding:26px 24px}.event-facts>div:nth-child(odd){padding-right:0}.event-process{grid-template-columns:1fr}.events-auth-panel{padding:28px 22px}.reader-actions{display:grid;width:100%}.reader-actions .button{width:100%}.event-reader object{min-height:520px}.event-local-nav{top:68px}}


@media(max-width:1180px){
  :root{--v12-container:min(100% - 42px,1320px)}
  .v12-utility{display:none}
  .nav-shell{min-height:76px}
  .site-header #main-nav{inset:76px 0 auto;grid-template-columns:1fr 1fr;padding:24px;background:#fff;max-height:calc(100vh - 76px);overflow:auto}
  .site-header #main-nav>a,.site-header .nav-group>button{padding:12px 6px}
  .nav-group{grid-column:1/-1}
  .nav-drop{position:static;display:grid;transform:none;min-width:0;box-shadow:none;border:0;background:var(--v12-paper);grid-template-columns:1fr 1fr;margin-top:7px}
  .v12-home-hero{min-height:700px}
  .v12-taskbar{grid-template-columns:1fr 1fr}
  .v12-taskbar a:nth-child(2){border-right:0}
  .v12-taskbar a:nth-child(-n+2){border-bottom:1px solid var(--v12-line)}
  .v12-project-stage{grid-template-columns:1.25fr .75fr}
  .v12-flow{grid-template-columns:repeat(5,1fr)}
  .group-section-nav{top:76px}
  .kg-workspace{grid-template-columns:190px minmax(390px,1fr) 250px}
}

@media(max-width:860px){
  :root{--v12-container:min(100% - 32px,1320px)}
  html{scroll-padding-top:76px}
  .v12-home-hero{min-height:680px;align-items:end}
  .v12-home-hero>img{object-position:64% center}
  .v12-home-hero:after{background:linear-gradient(90deg,rgba(5,36,31,.92),rgba(5,36,31,.48)),linear-gradient(0deg,rgba(5,36,31,.72),transparent 50%)}
  .v12-hero-copy{padding:82px 0 110px}
  .v12-hero-copy h1{font-size:clamp(42px,8vw,62px);max-width:620px}
  .v12-section-head{grid-template-columns:1fr;gap:18px}
  .v12-project-stage,.v12-video-grid,.v12-yunnan,.v12-research-grid{grid-template-columns:1fr}
  .knowledge-node-grid{grid-template-columns:1fr 1fr}
  .knowledge-layout,.knowledge-build-grid{grid-template-columns:1fr}
  .v12-feature-card{min-height:560px}
  .v12-project-list{grid-template-columns:1fr 1fr;gap:0 22px}
  .v12-flow{grid-template-columns:1fr 1fr}
  .v12-flow article{min-height:200px;border-bottom:1px solid rgba(255,255,255,.2)}
  .v12-flow article:nth-child(2n){border-right:0}
  .v12-flow article:last-child{grid-column:1/-1}
  .v12-audience-grid{grid-template-columns:1fr 1fr}
  .v12-audience-grid article:nth-child(2){border-right:0}
  .v12-yunnan figure{min-height:460px}
  .v12-callout .container{grid-template-columns:1fr;padding-top:64px;padding-bottom:64px;gap:26px}
  .project-local-nav{top:76px}
  .v12-footer-grid{grid-template-columns:1fr 1fr}
  .v12-footer-grid>div:first-child{grid-column:1/-1}
  .group-evidence-layout{grid-template-columns:1fr}.group-evidence-aside{position:static}
  .kg-intro .container{grid-template-columns:1fr}.kg-intro dl{justify-self:start}
  .kg-workspace{grid-template-columns:1fr}.kg-sidebar{border-right:0;border-bottom:1px solid #ddd8cd}.kg-detail{border-left:0;border-top:1px solid #ddd8cd}.kg-guide{display:none}.kg-legend{grid-template-columns:repeat(5,auto);justify-content:start}.kg-canvas{min-height:560px}.kg-method-grid{grid-template-columns:1fr}
  .course-path{grid-template-columns:1fr 1fr}.course-evidence{grid-template-columns:1fr}
}

@media(max-width:520px){
  :root{--v12-container:calc(100% - 28px)}
  .nav-shell{min-height:68px}
  .brand{min-width:0}
  .brand img{width:42px;height:42px}
  .brand b{font-size:15px}
  .brand small{font-size:9px}
  .site-header #main-nav{inset:68px 0 auto;grid-template-columns:1fr;max-height:calc(100vh - 68px)}
  .nav-group{grid-column:auto}
  .nav-drop{grid-template-columns:1fr}
  .v12-home-hero{min-height:620px}
  .v12-hero-copy{padding:70px 0 88px}
  .v12-hero-copy h1{font-size:clamp(38px,11vw,50px);letter-spacing:.025em}
  .v12-hero-copy>p:not(.eyebrow){font-size:16px}
  .v12-hero-actions{display:grid}
  .v12-hero-caption{right:14px;bottom:16px}
  .v12-taskbar{grid-template-columns:1fr;margin-top:0;width:100%;box-shadow:none}
  .v12-taskbar a{min-height:108px;border-right:0;border-bottom:1px solid var(--v12-line)!important;padding:22px 24px}
  .v12-section{padding:68px 0}
  .v12-section-head{margin-bottom:32px}
  .v12-section-head h2{font-size:34px}
  .v12-feature-card{min-height:480px}
  .v12-feature-card>div{padding:28px 24px}
  .v12-project-list{grid-template-columns:1fr;padding:10px 22px}
  .v12-flow{grid-template-columns:1fr}
  .v12-flow article,.v12-flow article:nth-child(2n){min-height:0;border-right:0;padding:24px 12px}
  .v12-flow article:last-child{grid-column:auto}
  .v12-audience-grid{grid-template-columns:1fr}
  .knowledge-node-grid,.knowledge-relations{grid-template-columns:1fr}
  .knowledge-node-grid article{min-height:0}
  .knowledge-relations article{min-height:120px}
  .knowledge-build-grid article{padding:32px 24px}
  .rule-summary dl>div{grid-template-columns:1fr;gap:4px}
  .v12-audience-grid article{border-right:0}
  .v12-yunnan figure{min-height:350px}
  .v12-yunnan>div{padding:44px 24px}
  .v12-research-grid>a{min-height:330px;padding:32px 24px}
  .v12-callout .button{width:100%}
  .page-hero{background:var(--v12-paper)}
  .project-hero{min-height:540px}
  .project-local-nav{top:68px}
  .archive-rows article{grid-template-columns:42px 1fr}
  .v12-footer-grid{grid-template-columns:1fr}
  .v12-footer-grid>div:first-child{grid-column:auto}
  .footer-bottom{display:grid;gap:8px}
  .group-section-nav{top:68px}.group-evidence-card{grid-template-columns:40px 1fr;gap:12px}.group-evidence-card h2{font-size:26px}.group-hero--evidence{padding:72px 0}
  .kg-intro{padding:48px 0 38px}.kg-intro h1{font-size:39px}.kg-intro dl{grid-template-columns:repeat(3,1fr);width:100%}.kg-intro dl div{padding-left:12px}.kg-intro dt{font-size:24px}.kg-section{padding:22px 0 64px}.kg-workspace{border-left:0;border-right:0}.kg-sidebar{padding:20px 16px}.kg-legend{grid-template-columns:1fr 1fr}.kg-canvas-head{align-items:flex-start;gap:10px}.kg-canvas-head small{max-width:190px}.kg-canvas{min-height:500px}.kg-detail{padding:26px 20px}.kg-method{padding:64px 0}.kg-method-grid article{min-height:0}
  .course-path{grid-template-columns:1fr}.course-path article{min-height:0}.course-evidence a{grid-template-columns:1fr;gap:7px}
}

@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.site-header .nav-group>button[aria-current="page"]{color:var(--v12-red);border-bottom-color:var(--v12-red)}

/* Keep the event hero decoration inside its own section. */
.events-hero{position:relative;overflow:hidden}