:root{--c-paper:#f7edd9;--c-paper2:#fff8eb;--c-ink:#3c2918;--c-muted:#876f54;--c-gold:#9a6a2e;--c-green:#69765e;--c-line:rgba(151,103,43,.28);--c-shadow:0 10px 28px rgba(91,58,24,.1)}
html,body{background:var(--c-paper)!important;color:var(--c-ink)!important}
body{min-height:100vh;background-color:var(--c-paper)!important;background-image:radial-gradient(circle at 20% 8%,rgba(164,119,56,.07),transparent 25%),repeating-linear-gradient(0deg,transparent 0 3px,rgba(117,86,51,.018) 3px 4px)!important;background-size:auto!important;background-attachment:fixed!important}
.site-header{height:72px!important;min-height:72px!important;padding:0 clamp(24px,3vw,48px)!important;background:rgba(250,240,221,.93)!important;border:1px solid var(--c-line)!important;border-width:0 0 1px!important;box-shadow:0 4px 16px rgba(83,52,20,.07)!important}
.brand{font:700 1.08rem/1.1 'STKaiti','KaiTi',serif!important;color:var(--c-ink)!important}.brand small{margin-top:3px!important;font:500 .55rem/1 system-ui!important;color:var(--c-muted)!important}
.main-nav{gap:24px!important}.main-nav a{height:72px!important;padding:0 3px!important;font-size:.84rem!important}.main-nav a::after{bottom:9px!important}
.header-tools{grid-column:3;justify-self:end;display:flex;align-items:center;gap:10px;color:var(--c-ink)}
.header-avatar{width:34px;height:34px;overflow:hidden;border:1px solid var(--c-line);border-radius:50%;background:#ead4aa}.header-avatar img{width:100%;height:100%;object-fit:cover;object-position:50% 12%;transform:scale(1.08)}
.page-title{max-width:1240px!important;padding:42px 28px 18px!important}.page-title h1{font-size:2rem!important}.page-title .sub{font-size:.88rem!important}
.page-title.with-search{display:grid;grid-template-columns:1fr minmax(280px,360px);align-items:end;gap:28px}.page-title.with-search .title-copy{min-width:0}.page-search{height:42px;display:grid;grid-template-columns:1fr 48px;border:1px solid var(--c-line);border-radius:7px;background:rgba(255,250,240,.82);overflow:hidden}.page-search input{min-width:0;padding:0 14px;border:0;outline:0;background:transparent;color:var(--c-ink)}.page-search button{border:0;border-left:1px solid var(--c-line);background:transparent;color:var(--c-gold);cursor:pointer;font-size:0}.page-search button::after{content:'⌕';font-size:1.35rem}
.culture-dashboard{max-width:1240px;margin:0 auto;padding:0 28px 50px;display:grid;grid-template-columns:1fr 1fr;gap:16px}.culture-panel{min-height:450px;border:1px solid var(--c-line);border-radius:7px;background:rgba(255,248,235,.78);box-shadow:var(--c-shadow);overflow:hidden}.culture-panel>h2{height:54px;display:grid;place-items:center;margin:0;color:#fff8e8;background:linear-gradient(90deg,#a87838,#c5a06b);font:700 1.45rem/1 'STKaiti','KaiTi',serif}.culture-panel.living>h2{background:linear-gradient(90deg,#66725d,#87927a)}
.history-content{height:396px;display:grid;grid-template-columns:145px 1fr;gap:12px;padding:20px}.history-line{display:grid;align-content:space-around;border-left:1px solid #b1854e;margin-left:8px}.history-era{position:relative;padding-left:18px}.history-era::before{content:'';position:absolute;left:-5px;top:4px;width:8px;height:8px;border:2px solid #fff7e7;border-radius:50%;background:#9d6e31;box-shadow:0 0 0 1px #9d6e31}.history-era strong,.history-era small{display:block}.history-era strong{font-size:.82rem}.history-era small{margin-top:5px;color:var(--c-muted);font-size:.67rem}
.culture-graph{position:relative;min-height:330px;background:radial-gradient(circle at center,rgba(168,126,68,.12),transparent 55%)}.culture-graph::before{content:'';position:absolute;inset:18% 12%;border:1px solid rgba(156,111,51,.18);border-radius:50%;transform:rotate(20deg)}.graph-node{position:absolute;padding:9px 11px;border:1px solid var(--c-line);border-radius:50%;background:#f4e6ca;color:var(--c-ink);font-size:.7rem;box-shadow:0 3px 10px rgba(80,51,22,.08)}.graph-node.core{left:42%;top:42%;padding:18px;color:#fff;background:#9a6a2e;font:700 .9rem/1.2 'STKaiti','KaiTi',serif}.graph-node:nth-child(2){left:35%;top:12%}.graph-node:nth-child(3){right:4%;top:32%}.graph-node:nth-child(4){right:17%;bottom:9%}.graph-node:nth-child(5){left:5%;bottom:14%}.graph-node:nth-child(6){left:3%;top:38%}
.living-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:20px}.living-card{overflow:hidden;border:1px solid var(--c-line);border-radius:5px;background:#fff8ea;box-shadow:0 5px 14px rgba(78,51,25,.08)}.living-card img{width:100%;aspect-ratio:1.25;object-fit:cover}.living-card strong{min-height:38px;display:grid;place-items:center;font:700 .84rem/1.2 'STKaiti','KaiTi',serif}
.archive-shell{max-width:1240px;margin:0 auto;padding:0 28px 48px}.archive-stats{max-width:none!important;padding:0!important;grid-template-columns:repeat(4,1fr)!important}.archive-stats span{min-height:74px!important;background:rgba(255,248,235,.72)!important}.archive-tabs{display:flex;gap:26px;margin:16px 0 12px;border-bottom:1px solid var(--c-line)}.archive-tabs button{padding:10px 4px;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--c-muted);cursor:pointer}.archive-tabs button.active{color:var(--c-gold);border-color:var(--c-gold)}
.archive-shell .pais{max-width:none!important;grid-template-columns:repeat(4,1fr)!important;padding:0!important;gap:12px!important}.archive-shell .pai{padding:0!important;overflow:hidden!important}.archive-shell .pai .pic,.archive-shell .pai .pic img{height:130px!important;margin:0!important;border-radius:0!important}.archive-shell .pai-name{padding:11px 12px 0}.archive-shell .pai-text{padding:5px 12px 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:.7rem!important}.archive-upload{width:min(560px,100%);height:54px;display:grid;place-content:center;margin:22px auto 0;border:1px solid var(--c-gold);border-radius:5px;color:#fff8e9;background:linear-gradient(#a67637,#7c5224);font-size:.84rem}.archive-upload small{display:block;margin-top:3px;text-align:center;opacity:.74;font-size:.62rem}
/* Reference home composition */
.hero{height:600px!important;min-height:600px!important;max-height:600px!important;background:#ead5af!important}.hero-bg{background-image:url('/static/assets/images/verified/movie/yinshan-aerial.png')!important;background-position:center 45%!important;filter:sepia(.58) saturate(.55) brightness(1.07)!important}.hero-overlay{background:linear-gradient(90deg,rgba(247,237,217,.95),rgba(247,237,217,.54) 58%,rgba(247,237,217,.28))!important}.hero-inner{width:min(1220px,calc(100% - 80px))!important;padding:72px 0 190px!important}.hero-inner h1{font-size:clamp(3.4rem,5.3vw,5.2rem)!important}.competition-guide{position:absolute;z-index:6;right:9%;bottom:-15px;width:330px;height:500px;margin:0}.competition-guide img{width:100%;height:100%;object-fit:contain;object-position:bottom}.competition-guide figcaption{position:absolute;left:-125px;top:70px;padding:14px 17px;border:1px solid var(--c-line);border-radius:16px 16px 3px;background:rgba(251,240,217,.92);color:var(--c-muted);font-size:.73rem;line-height:1.65;box-shadow:var(--c-shadow)}.carousel-band{top:430px!important}.carousel-container{width:min(1080px,calc(100% - 110px))!important;margin:0 auto!important}.carousel-track{width:100%!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:14px!important}.carousel-item{width:auto!important;min-width:0!important;height:142px!important;transform:none!important}.metric-band{border-top:1px solid var(--c-line)!important}
@media(max-width:800px){.header-tools{display:none}.page-title.with-search{grid-template-columns:1fr}.culture-dashboard{grid-template-columns:1fr;padding:0 16px 36px}.culture-panel{min-height:0}.archive-shell{padding:0 16px 36px}.archive-shell .pais{grid-template-columns:repeat(2,1fr)!important}.living-grid{grid-template-columns:repeat(2,1fr)}.history-content{grid-template-columns:112px 1fr;padding:12px}.site-header{height:64px!important;min-height:64px!important}.main-nav a{height:64px!important}.competition-guide{right:-25px;bottom:70px;width:190px;height:300px;opacity:.72}.competition-guide figcaption{display:none}.hero{height:640px!important;min-height:640px!important}.hero-inner{width:calc(100% - 32px)!important;padding:34px 0 0!important}.carousel-band{top:478px!important}.carousel-container{width:100%!important;margin:0!important}.header-avatar{display:none}}
@media(max-width:480px){.archive-shell .pais{grid-template-columns:1fr!important}.history-content{grid-template-columns:1fr}.history-line{grid-template-columns:repeat(2,1fr);border-left:0;gap:10px}.culture-graph{min-height:270px}}
.hero-bg{background-image:url('/static/assets/images/verified/movie/yinshan-aerial.png')!important}
@supports(content-visibility:auto){.spectrum-section,.civilization-section,.timeline-section,.map-section,.knowledge-section,.archive-section,.site-footer{content-visibility:auto;contain-intrinsic-size:auto 720px}}
@media(max-width:800px){button,a,select,input{touch-action:manipulation}.culture-panel,.pai,.living-card{contain:layout paint}.archive-tabs{overflow-x:auto;scrollbar-width:none;white-space:nowrap}.archive-tabs::-webkit-scrollbar{display:none}.page-title{padding-top:30px!important}.page-title h1{font-size:1.8rem!important}}

@media(min-width:801px){.carousel-band{position:absolute!important;top:470px!important;z-index:8!important}.carousel-track{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;align-items:stretch!important}.carousel-item{position:relative!important;inset:auto!important;left:auto!important;top:auto!important;margin:0!important;transform:none!important;width:auto!important;min-width:0!important;height:142px!important;background-position:center!important;background-size:cover!important;background-repeat:no-repeat!important}.carousel-item img{position:relative!important;z-index:2!important;transform:translateZ(0);will-change:transform}.carousel-item::after{z-index:3!important}}
.carousel-item{background-position:center!important;background-size:cover!important;background-repeat:no-repeat!important}

/* Mobile: native, direct-manipulation carousel and readable knowledge graph. */
@media(max-width:800px){
  .carousel-band{overflow:hidden!important;padding-inline:16px!important}
  .carousel-container{width:100%!important;height:auto!important;margin:0!important;overflow-x:auto!important;overflow-y:hidden!important;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scroll-padding-inline:2px;scrollbar-width:none;touch-action:pan-x!important;-webkit-overflow-scrolling:touch}
  .carousel-container::-webkit-scrollbar{display:none}
  .carousel-track{width:max-content!important;display:flex!important;grid-template-columns:none!important;gap:12px!important;padding:0 2px 8px!important;overflow:visible!important;transform:none!important}
  .carousel-item{width:min(78vw,280px)!important;min-width:min(78vw,280px)!important;flex:0 0 min(78vw,280px)!important;height:118px!important;margin:0!important;transform:none!important;scroll-snap-align:start;scroll-snap-stop:always}
  .carousel-item img{pointer-events:none;user-select:none;-webkit-user-drag:none}
  .metrics-grid{width:100%!important;grid-template-columns:repeat(2,minmax(0,1fr))!important}
}

@media(max-width:720px){
  .knowledge-layout{position:relative!important;display:block!important}
  .knowledge-graph{min-height:520px!important;touch-action:pan-x pan-y!important}
  .knowledge-detail{position:fixed!important;z-index:420!important;inset:auto 12px 12px!important;width:auto!important;max-height:min(52dvh,420px)!important;overflow:auto!important;padding:18px!important;color:#3b2b1e!important;background:rgba(251,244,230,.98)!important;border:1px solid rgba(130,93,45,.35)!important;border-radius:8px!important;box-shadow:0 18px 48px rgba(58,38,20,.24)!important;backdrop-filter:blur(18px) saturate(130%)}
  .knowledge-detail h3,.knowledge-detail h4,.knowledge-detail strong{color:#3b2b1e!important}
  .knowledge-detail .kd-category,.knowledge-detail .kd-relation-item{color:#67533f!important}
  .knowledge-detail-close{width:40px!important;height:40px!important;color:#4b3827!important;background:rgba(255,252,244,.82)!important}
}

/* Tablet portrait and landscape: denser than mobile, still fully touch driven. */
@media(min-width:801px) and (max-width:1100px){
  .site-header{padding-inline:20px!important}
  .brand small{display:none!important}
  .main-nav{gap:clamp(10px,1.6vw,18px)!important}
  .main-nav a{font-size:.78rem!important}
  .header-avatar{display:none!important}
  .hero-inner{width:calc(100% - 48px)!important;padding:58px 0 190px!important}
  .hero-inner h1{max-width:min(720px,72vw);font-size:clamp(3.5rem,7vw,4.6rem)!important}
  .competition-guide{right:1%;width:260px;height:410px;opacity:.88}
  .competition-guide figcaption{display:none}
  .carousel-band{overflow:hidden!important;padding-inline:24px!important}
  .carousel-container{width:100%!important;height:auto!important;margin:0!important;overflow-x:auto!important;overflow-y:hidden!important;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scroll-padding-inline:2px;scrollbar-width:none;touch-action:pan-x!important;-webkit-overflow-scrolling:touch}
  .carousel-container::-webkit-scrollbar{display:none}
  .carousel-track{width:max-content!important;display:flex!important;grid-template-columns:none!important;gap:16px!important;padding:0 2px 10px!important;overflow:visible!important;transform:none!important}
  .carousel-item{width:min(42vw,360px)!important;min-width:min(42vw,360px)!important;flex:0 0 min(42vw,360px)!important;height:140px!important;margin:0!important;transform:none!important;scroll-snap-align:start;scroll-snap-stop:always}
  .carousel-item img{pointer-events:none;user-select:none;-webkit-user-drag:none}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}
  .section-shell{width:min(calc(100% - 48px),var(--max))!important}
  .culture-grid,.resource-grid,.spectrum-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}
  .map-layout{grid-template-columns:minmax(0,1.55fr) minmax(260px,.75fr)!important;gap:16px!important}
  .knowledge-graph{min-height:600px!important;touch-action:pan-x pan-y!important}
  .knowledge-detail{right:14px!important;top:14px!important;width:min(320px,40%)!important;max-height:calc(100% - 28px)!important;color:#3b2b1e!important;background:rgba(251,244,230,.97)!important;border-color:rgba(130,93,45,.35)!important}
  .knowledge-detail h3,.knowledge-detail h4,.knowledge-detail strong{color:#3b2b1e!important}
  .knowledge-detail .kd-category,.knowledge-detail .kd-relation-item{color:#67533f!important}
  .ai-float-panel{width:min(410px,calc(100vw - 40px))!important;max-height:calc(100dvh - 100px)!important}
}

@media(min-width:801px) and (max-width:900px){
  .map-layout{grid-template-columns:1fr!important}
  .culture-dashboard{grid-template-columns:1fr!important;padding-inline:24px!important}
  .archive-shell{padding-inline:24px!important}
  .living-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}

/* Compact mobile AI sheet: keep the page visible without layered overlap. */
@media(max-width:720px){
  .ai-float.is-panel-open::after{content:"";position:fixed;z-index:498;inset:0;pointer-events:none;background:rgba(48,35,23,.38);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}
  .ai-float.is-panel-open .ai-float-toggle{opacity:0!important;visibility:hidden!important;pointer-events:none!important;transform:scale(.92)!important}
  .ai-float-panel{position:fixed!important;z-index:500!important;inset:auto 10px max(10px,env(safe-area-inset-bottom))!important;width:auto!important;height:min(72dvh,560px)!important;max-height:calc(100dvh - max(20px,env(safe-area-inset-top)) - max(10px,env(safe-area-inset-bottom)))!important;overflow:hidden!important;border-radius:8px!important;box-shadow:0 24px 70px rgba(52,34,18,.34)!important}
  .ai-float-header{min-height:62px!important;padding:12px 14px!important;flex:0 0 auto}
  .ai-float-close{width:40px!important;height:40px!important;flex:0 0 40px}
  .digital-human-stage{min-height:104px!important;flex:0 0 104px!important}
  .digital-human-stage img{right:10px!important;bottom:-42px!important;width:104px!important;height:164px!important}
  .digital-human-caption{left:14px!important;bottom:13px!important}
  .voice-bars{left:14px!important;top:13px!important}
  .ai-float-body{min-height:64px!important;flex:1 1 auto!important;overflow-y:auto!important;padding:12px 14px!important;overscroll-behavior:contain}
  .ai-float-prompts{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:7px!important;padding:0 14px 10px!important;flex:0 0 auto}
  .ai-float-prompts button{min-height:46px!important;padding:7px 9px!important;font-size:.72rem!important;line-height:1.3!important}
  .ai-float-form{padding:10px 14px max(10px,env(safe-area-inset-bottom))!important;flex:0 0 auto}
  .ai-float-form input,.ai-float-form button{min-height:44px!important}
}

@media(max-width:380px),(max-height:650px){
  .ai-float-panel{height:min(78dvh,460px)!important}
  .digital-human-stage{min-height:82px!important;flex-basis:82px!important}
  .digital-human-stage img{bottom:-48px!important;width:88px!important;height:144px!important}
  .digital-human-caption span,.voice-bars{display:none!important}
  .ai-float-prompts button{min-height:40px!important;font-size:.68rem!important}
}

/* Homepage stability pass: keep the image rail in document flow so it cannot cover metrics. */
.carousel-band {
  position: relative !important;
  top: auto !important;
  z-index: 1 !important;
  padding: 20px 0 22px !important;
  overflow: visible !important;
  background: var(--c-paper2) !important;
  border-bottom: 1px solid var(--c-line) !important;
}
.carousel-container {
  width: min(1160px, calc(100% - 64px)) !important;
  height: auto !important;
  margin: 0 auto !important;
  perspective: none !important;
}
.carousel-track {
  width: 100% !important;
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 16px !important;
  height: auto !important;
  transform: none !important;
}
.carousel-item {
  width: auto !important;
  min-width: 0 !important;
  height: 154px !important;
  position: relative !important;
  inset: auto !important;
  margin: 0 !important;
  transform: none !important;
  border: 1px solid rgba(117,81,39,.48) !important;
  border-radius: 8px !important;
  background-position: center !important;
  background-size: cover !important;
  filter: sepia(.08) saturate(.92) brightness(1.04) !important;
  box-shadow: 0 8px 20px rgba(70,46,24,.16) !important;
}
.carousel-item::after {
  padding: 34px 14px 11px !important;
  background: linear-gradient(transparent, rgba(32,22,14,.78)) !important;
  font-size: .92rem !important;
}
.metric-band { position: relative !important; z-index: 0 !important; }

@media (max-width: 800px) {
  .carousel-band { padding: 18px 16px 22px !important; }
  .carousel-container {
    width: 100% !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    scrollbar-width: none;
    scroll-snap-type: x mandatory;
  }
  .carousel-container::-webkit-scrollbar { display: none; }
  .carousel-track {
    width: max-content !important;
    display: flex !important;
    gap: 12px !important;
    padding: 0 2px 6px !important;
  }
  .carousel-item {
    width: min(78vw, 300px) !important;
    min-width: min(78vw, 300px) !important;
    flex: 0 0 min(78vw, 300px) !important;
    height: 132px !important;
    scroll-snap-align: start;
  }
}