/* Benchmark page — compact research subpage, isolated from shared styles. */
.benchmark-page{
  --canvas:#f3f6f4;
  --paper:#fbfcfb;
  --ink:#14282c;
  --ink-soft:#31484c;
  --muted:#708083;
  --line:#d8e0dd;
  --line-strong:#b9c9c4;
  --mist:#e6eeeb;
  --mint:#d5e5df;
  --sage:#9dbdb2;
  --teal:#477b75;
  --blue:#66769e;
  --blue-soft:#e2e7f0;
  --sand:#d7c8b3;
  --dark:#183236;
  --white:#ffffff;
  margin:0;
  background:var(--canvas);
  color:var(--ink);
  font-family:"Segoe UI Variable","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.benchmark-page *{box-sizing:border-box}
.benchmark-page a{color:inherit;text-decoration:none}
.benchmark-page img{display:block;max-width:100%}
.benchmark-page button{font:inherit;color:inherit}
.benchmark-page .container{width:min(1240px,calc(100% - 96px));margin:0 auto}
.benchmark-page a:focus-visible,.benchmark-page button:focus-visible{outline:2px solid var(--blue);outline-offset:4px}

.benchmark-page .benchmark-header{position:relative;top:auto;z-index:20;height:88px;border-bottom:1px solid rgba(185,201,196,.7);background:rgba(251,252,251,.94)}
.benchmark-page .nav{height:88px;display:grid;grid-template-columns:220px 1fr auto;align-items:center;gap:34px}
.benchmark-page .brand{display:inline-flex;align-items:center;width:max-content}
.benchmark-page .brand-logo{width:128px;height:40px;object-fit:contain;object-position:left center}
.benchmark-page .nav-links{justify-self:end;display:flex;align-items:center;gap:30px;font-size:13px;color:var(--ink-soft)}
.benchmark-page .nav-links a{position:relative;padding:14px 0;transition:color .2s ease}
.benchmark-page .nav-links a:hover{color:var(--teal)}
.benchmark-page .nav-links a[aria-current="page"]:after{content:"";position:absolute;left:0;right:0;bottom:8px;height:1px;background:var(--teal)}
.benchmark-page .nav-links .nav-cta{padding:11px 17px;border:1px solid var(--line-strong);background:var(--paper);font-size:12px;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease}
.benchmark-page .nav-links .nav-cta:hover{color:var(--white);border-color:var(--dark);background:var(--dark);transform:translateY(-1px)}
.benchmark-page .menu{display:none;width:46px;height:42px;padding:0;border:1px solid var(--line-strong);background:var(--paper);place-items:center;cursor:pointer}
.benchmark-page .menu span{display:block;width:18px;height:1px;margin:4px auto;background:var(--ink-soft)}

.benchmark-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background-color:var(--paper)}
.benchmark-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(71,123,117,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(71,123,117,.055) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(to right,rgba(0,0,0,.56),transparent 74%);pointer-events:none}
.benchmark-hero:after{content:"";position:absolute;right:-160px;bottom:-290px;width:520px;height:520px;border:1px solid rgba(71,123,117,.12);border-radius:50%;box-shadow:0 0 0 72px rgba(71,123,117,.035),0 0 0 144px rgba(71,123,117,.022);pointer-events:none}
.benchmark-hero-inner{position:relative;z-index:1;padding:104px 0 98px}
.benchmark-kicker{display:flex;align-items:center;gap:13px;color:var(--teal);text-transform:uppercase;letter-spacing:.15em;font-size:10px;font-weight:700}
.benchmark-kicker>span{width:34px;height:1px;background:currentColor}
.benchmark-hero h1{margin:27px 0 28px;max-width:760px;font-size:clamp(62px,6.6vw,92px);line-height:.98;letter-spacing:-.04em;font-weight:520;text-wrap:balance}
.benchmark-hero h1 span{color:var(--teal);font-weight:380}
.benchmark-hero p{max-width:770px;margin:0;color:var(--ink-soft);font-size:18px;line-height:1.85}

.benchmark-overview{padding:104px 0 112px;border-bottom:1px solid var(--line);background:var(--paper)}
.overview-grid{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(300px,.78fr);gap:76px;align-items:center}
.benchmark-visual{margin:0;padding:14px;border:1px solid var(--line-strong);background:var(--mist)}
.visual-label,.benchmark-visual figcaption{display:flex;justify-content:space-between;align-items:center;gap:20px;color:var(--muted);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.visual-label{padding:1px 2px 12px;border-bottom:1px solid var(--line-strong)}
.visual-label span:first-child{color:var(--ink-soft);font-weight:700}
.visual-media{height:520px;margin-top:13px;border:1px solid var(--line);background:var(--white);overflow:hidden}
.visual-media img{width:100%;height:100%;object-fit:contain;object-position:center}
.visual-stack{position:relative;background:radial-gradient(circle at 12% 16%,rgba(157,189,178,.16),transparent 30%),linear-gradient(rgba(71,123,117,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(71,123,117,.04) 1px,transparent 1px),var(--mist);background-size:auto,44px 44px,44px 44px,auto}
.visual-stack .stack-layer{position:absolute;inset:0;margin:auto;width:min(360px,58%);height:min(450px,86%);padding:10px;background:rgba(251,252,251,.97);border:1px solid var(--line-strong);box-shadow:0 14px 30px rgba(36,67,68,.13);transform:translate(calc(var(--x)*1px),calc(var(--y)*1px)) rotate(calc(var(--r)*1deg));transition:transform .5s cubic-bezier(.16,1,.3,1)}
.visual-stack .stack-layer img{width:100%;height:100%;object-fit:cover;object-position:center top;filter:saturate(.72)}
.visual-stack .stack-layer.stack-top{box-shadow:0 20px 44px rgba(36,67,68,.2)}
.visual-stack .stack-layer.stack-top img{object-fit:contain;filter:saturate(.82)}
.visual-stack:hover .stack-layer{transform:translate(calc(var(--x)*1.35px),calc(var(--y)*1.35px)) rotate(calc(var(--r)*1.25deg))}
.visual-stack:hover .stack-layer.stack-top{transform:translate(0,-6px)}
.visual-stack .stack-count{position:absolute;right:6%;bottom:5%;z-index:2;display:inline-flex;align-items:baseline;gap:7px;padding:9px 14px;background:var(--dark);color:#dce9e5;font-size:10px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;box-shadow:0 10px 22px rgba(24,50,54,.28)}
.visual-stack .stack-count b{font-size:21px;font-weight:600;letter-spacing:-.02em;color:var(--white)}
.benchmark-visual figcaption{padding:12px 2px 1px;text-transform:none;letter-spacing:.04em}
.benchmark-visual figcaption span:first-child{color:var(--ink-soft);font-size:13px;letter-spacing:0}
.benchmark-stats{border-top:1px solid var(--dark)}
.stats-heading{padding:22px 0 28px;border-bottom:1px solid var(--line)}
.stats-heading>span{color:var(--teal);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.stats-heading p{max-width:330px;margin:8px 0 0;color:var(--muted);font-size:16px;line-height:1.7}
.stat-row{display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:center;min-height:116px;border-bottom:1px solid var(--line)}
.stat-row strong{font-size:42px;line-height:1;font-weight:520;letter-spacing:-.03em}
.stat-row:nth-child(2) strong{color:var(--teal)}
.stat-row:nth-child(3) strong{color:var(--blue)}
.stat-row:nth-child(4) strong{color:#846f53}
.stat-row span{color:var(--ink-soft);font-size:16px;line-height:1.62}

.benchmark-archive{position:relative;overflow:hidden;padding:104px 0 118px;background:var(--canvas)}
.benchmark-archive:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(71,123,117,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(71,123,117,.04) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.38),transparent 62%);pointer-events:none}
.benchmark-archive .container{position:relative;z-index:1}
.archive-head{margin-bottom:38px}
.archive-head h2{margin:16px 0 0;font-size:clamp(48px,5vw,68px);line-height:1.03;letter-spacing:-.04em;font-weight:490}
.archive-count{display:flex;align-items:baseline;gap:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.13em;font-size:9px}
.archive-count b{color:var(--teal);font-family:Arial,sans-serif;font-size:28px;font-weight:560;letter-spacing:-.04em}.research-showcase{display:grid;grid-template-columns:minmax(280px,350px) minmax(0,1fr);gap:22px;align-items:stretch}
.project-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;border-top:1px solid var(--line-strong)}
.project-index-item{width:100%;min-width:0;min-height:88px;padding:15px 10px;display:grid;grid-template-columns:27px minmax(0,1fr) 14px;gap:7px;align-items:center;border:0;border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);background:rgba(251,252,251,.42);text-align:left;cursor:pointer;transition:background-color .24s ease,color .24s ease,transform .32s cubic-bezier(.16,1,.3,1)}
.project-index-item:hover{background:var(--paper);transform:translateX(5px)}
.project-index-item.is-active{background:var(--dark);color:var(--white);transform:translateX(8px)}
.index-no{color:var(--teal);font-family:Arial,sans-serif;font-size:18px;line-height:1}
.project-index-item.is-active .index-no{color:var(--sage)}
.index-copy{display:grid;gap:3px;min-width:0}
.index-copy small{color:var(--muted);font-size:8px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.project-index-item.is-active .index-copy small{color:var(--sage)}
.index-copy strong{overflow:hidden;font-size:15px;font-weight:560;line-height:1.2;letter-spacing:-.02em;text-overflow:ellipsis;white-space:nowrap}
.index-arrow{color:var(--teal);font-size:17px;transform:translateX(-4px);opacity:0;transition:opacity .22s ease,transform .28s cubic-bezier(.16,1,.3,1)}
.project-index-item:hover .index-arrow,.project-index-item.is-active .index-arrow{opacity:1;transform:translateX(0)}
.project-index-item.is-active .index-arrow{color:var(--white)}
.project-stage{position:relative;min-height:526px;overflow:hidden;border:1px solid var(--line-strong);background:var(--paper);isolation:isolate}
.project-stage:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(71,123,117,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(71,123,117,.045) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(135deg,rgba(0,0,0,.5),transparent 74%);pointer-events:none}
.project-panel{--panel-surface:var(--mint);--panel-accent:var(--teal);position:absolute;inset:0;z-index:1;padding:43px 50px 38px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(135deg,rgba(251,252,251,.96) 0%,rgba(251,252,251,.96) 62%,color-mix(in srgb,var(--panel-surface) 72%,var(--paper)) 100%);opacity:0;pointer-events:none;transform:translate3d(0,18px,0);clip-path:inset(0 0 9% 0);transition:opacity .28s ease,transform .48s cubic-bezier(.16,1,.3,1),clip-path .48s cubic-bezier(.16,1,.3,1)}
.project-panel[data-tone="vision"]{--panel-surface:var(--blue-soft);--panel-accent:var(--blue)}
.project-panel[data-tone="reasoning"]{--panel-surface:var(--sand);--panel-accent:#846f53}
.project-panel.is-active{z-index:2;opacity:1;pointer-events:auto;transform:none;clip-path:inset(0)}
.project-panel:after{content:attr(data-index);position:absolute;right:25px;bottom:-28px;color:var(--panel-accent);font-family:Arial,sans-serif;font-size:178px;font-weight:700;line-height:1;letter-spacing:-.08em;opacity:.075;pointer-events:none}
.panel-top{display:flex;justify-content:space-between;gap:20px;color:var(--panel-accent);font-size:9px;font-weight:750;letter-spacing:.14em;text-transform:uppercase}
.panel-body{position:relative;z-index:1;max-width:750px;margin:30px 0}
.project-panel h3{margin:0 0 9px;font-size:clamp(46px,5vw,68px);font-weight:520;line-height:1;letter-spacing:-.04em}
.project-panel .paper-title{max-width:660px!important;margin:0 0 24px!important;color:var(--panel-accent)!important;font-size:13px!important;font-weight:700;line-height:1.5!important;letter-spacing:.012em}
.project-panel .research-summary{max-width:690px;margin:0;color:var(--ink-soft);font-size:17px;line-height:1.75}
.project-panel .capability-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:25px}
.project-panel .capability-chips span{display:inline-flex;align-items:center;min-height:30px;padding:0 11px;border:1px solid color-mix(in srgb,var(--panel-accent) 32%,var(--line));border-radius:999px;background:color-mix(in srgb,var(--panel-surface) 50%,var(--paper));color:var(--ink-soft);font-size:11px;font-weight:650}
.panel-footer{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:20px;border-top:1px solid color-mix(in srgb,var(--panel-accent) 25%,var(--line))}
.paper-source{color:var(--panel-accent);font-size:9px;font-weight:750;letter-spacing:.13em;text-transform:uppercase}
.paper-cta{display:inline-flex;align-items:center;gap:18px;min-height:46px;padding:0 8px 0 17px;border:1px solid var(--panel-accent);background:var(--paper);color:var(--ink);font-size:12px;font-weight:700;transition:color .22s ease,background-color .22s ease,transform .22s ease}
.paper-cta b{width:31px;height:31px;display:grid;place-items:center;background:var(--panel-accent);color:var(--white);font-size:15px;font-weight:400}
.paper-cta:hover{background:var(--panel-accent);color:var(--white);transform:translateY(-2px)}

.benchmark-page .benchmark-footer{display:flex;justify-content:space-between;align-items:center;min-height:118px;border-top:1px solid var(--line);color:var(--muted);font-size:12px;letter-spacing:.085em;text-transform:uppercase}
.benchmark-page .benchmark-footer a{color:var(--ink-soft)}

@media(max-width:1020px){
  .benchmark-page .container{width:min(100% - 70px,1240px)}
  .benchmark-page .benchmark-header,.benchmark-page .nav{height:76px}
  .benchmark-page .nav{grid-template-columns:1fr auto;gap:18px}
  .benchmark-page .brand-logo{width:110px;height:36px}
  .benchmark-page .menu{display:grid;position:relative;z-index:12}
  .benchmark-page .nav-links{display:none;position:absolute;right:35px;top:76px;width:min(320px,calc(100% - 70px));padding:18px;background:var(--paper);border:1px solid var(--line);box-shadow:0 24px 54px rgba(36,67,68,.13);z-index:11}
  .benchmark-page .nav-links.open{display:grid;gap:0}
  .benchmark-page .nav-links a{padding:13px 8px;border-bottom:1px solid var(--line);font-size:14px}
  .benchmark-page .nav-links a[aria-current="page"]:after{display:none}
  .benchmark-page .nav-links .nav-cta{margin-top:10px;padding:13px 14px;border-bottom:0;background:var(--dark);color:var(--white)}
  .benchmark-hero-inner{padding:84px 0 82px}
  .benchmark-hero h1{font-size:clamp(58px,9vw,78px)}
  .overview-grid{grid-template-columns:1fr;gap:50px}
  .benchmark-stats{display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line)}
  .stats-heading{grid-column:1/-1;padding:22px 24px;border-right:1px solid var(--line)}
  .stats-heading p{max-width:620px}
  .stat-row{grid-template-columns:1fr;gap:14px;min-height:150px;padding:24px;border-right:1px solid var(--line)}
  .archive-head{margin-bottom:34px}
  .research-showcase{grid-template-columns:1fr;gap:24px}
  .project-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-left:1px solid var(--line-strong)}
  .project-index-item{min-height:112px;border-right:1px solid var(--line-strong)}
  .project-index-item:hover,.project-index-item.is-active{transform:none}
  .project-stage{min-height:520px}
}

@media(max-width:620px){
  .benchmark-page .container{width:min(100% - 32px,1240px)}
  .benchmark-page .nav-links{right:16px;width:calc(100% - 32px)}
  .benchmark-hero-inner{padding:64px 0 66px}
  .benchmark-hero h1{margin:22px 0 25px;font-size:48px;line-height:1.03}
  .benchmark-hero p{font-size:16px;line-height:1.78}
  .benchmark-overview{padding:70px 0 76px}
  .overview-grid{gap:38px}
  .benchmark-visual{padding:10px}
  .visual-label{font-size:9px;letter-spacing:.08em}
  .visual-media{height:430px}
  .visual-stack .stack-layer{width:min(250px,64%);height:min(360px,88%);padding:7px}
  .visual-stack .stack-count{right:4%;bottom:4%;padding:7px 11px}
  .visual-stack .stack-count b{font-size:18px}
  .benchmark-visual figcaption{align-items:flex-start;flex-direction:column;gap:3px;font-size:10px}
  .benchmark-stats{grid-template-columns:1fr}
  .stats-heading{grid-column:auto;padding:20px 22px}
  .stat-row{grid-template-columns:96px 1fr;min-height:108px;padding:20px 22px}
  .stat-row strong{font-size:39px}
  .stat-row span{font-size:15px}
  .benchmark-archive{padding:76px 0 84px}
  .archive-head{margin-bottom:28px}
  .archive-head h2{font-size:46px}
  .research-showcase{gap:16px}
  .project-index{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;border:0;scrollbar-width:none;scroll-snap-type:x proximity}
  .project-index::-webkit-scrollbar{display:none}
  .project-index-item{flex:0 0 210px;min-height:100px;padding:13px 14px;grid-template-columns:30px minmax(0,1fr);border:1px solid var(--line-strong);scroll-snap-align:start}
  .project-index-item .index-arrow{display:none}
  .index-copy strong{font-size:16px}
  .project-stage{min-height:550px}
  .project-panel{padding:30px 24px 27px}
  .panel-body{margin:25px 0}
  .project-panel h3{font-size:43px}
  .project-panel .paper-title{margin-bottom:19px!important;font-size:11px!important}
  .project-panel .research-summary{font-size:15px;line-height:1.72}
  .project-panel .capability-chips{margin-top:20px}
  .panel-footer{align-items:flex-start;flex-direction:column;gap:14px}
  .paper-cta{align-self:stretch;justify-content:space-between}
  .benchmark-page .benchmark-footer{min-height:104px;gap:20px;align-items:flex-start;padding-top:32px;font-size:11px}
}

@media(max-width:390px){
  .benchmark-hero h1{font-size:43px}
  .stat-row{grid-template-columns:82px 1fr;padding:19px 18px}
  .project-stage{min-height:565px}
  .project-panel{padding:28px 21px 25px}
  .project-panel h3{font-size:39px}
  .project-panel .capability-chips span{padding:0 9px}
}

@media(prefers-reduced-motion:reduce){
  .benchmark-page .nav-links .nav-cta,.project-index-item,.index-arrow,.project-panel,.paper-cta,.visual-stack .stack-layer{transition:none!important}
}