:root{--primary:#1E3ABA;--secondary:#006BFF;--accent:#FF6B35;--ink:#1F2937;--muted:#64748B;--line:#E5E7EB;--white:#fff;--green:#10B981;--violet:#8B5CF6;--amber:#F59E0B;--cyan:#0EA5E9;--rose:#F43F5E}
*{box-sizing:border-box}html{scroll-behavior:smooth}body.reference-page{margin:0;overflow-x:hidden;color:var(--ink);background:linear-gradient(120deg,rgba(30,58,186,.06),transparent 38%),linear-gradient(300deg,rgba(255,107,53,.08),transparent 42%),#FAFAFA;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif}button,a{font:inherit;color:inherit}button{border:0}a{text-decoration:none}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.container{width:min(1920px,calc(100% - 88px));margin:0 auto}.skip-link{position:fixed;top:-60px;left:18px;z-index:99;padding:10px 14px;color:#fff;background:var(--primary)}.skip-link:focus{top:18px}
.topbar{border-bottom:1px solid rgba(229,231,235,.9);background:rgba(255,255,255,.88);backdrop-filter:blur(16px)}.topbar-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;font-size:14px;font-weight:900}.brand-mark{display:grid;width:30px;height:30px;place-items:center;color:#fff;background:linear-gradient(135deg,var(--primary),var(--secondary));font-size:9px;letter-spacing:.05em}.brand small{display:block;margin-top:1px;color:var(--muted);font-size:10px;font-weight:700}.nav{display:flex;align-items:center;gap:23px;color:var(--muted);font-size:13px;font-weight:800}.nav a{position:relative;padding:7px 0}.nav a[aria-current="page"]{color:var(--primary)}.nav a[aria-current="page"]:after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent)}.menu-button{display:none;padding:9px;color:var(--primary);background:transparent;font-weight:800;cursor:pointer}
main{padding:48px 0 74px}.hero{display:grid;grid-template-columns:minmax(0,1.26fr) minmax(330px,.74fr);gap:52px;align-items:end;margin-bottom:38px}.hero h1{margin:0;color:var(--secondary);font-size:clamp(56px,7.15vw,142px);font-weight:950;letter-spacing:-.085em;line-height:.95}.hero p{max-width:620px;margin:0 0 5px;color:#6A7C99;font-size:clamp(16px,1.36vw,25px);font-weight:650;line-height:1.72}.hero strong{color:var(--ink)}
.reference-shell{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:22px;align-items:stretch}.visual-panel,.detail-panel{min-height:590px;overflow:hidden;border:1px solid rgba(229,231,235,.92);border-radius:10px;background:rgba(255,255,255,.9);box-shadow:0 24px 60px rgba(15,23,42,.07)}.visual-panel{position:relative;padding:34px}.visual-panel:before{content:"";position:absolute;inset:24px;border-radius:8px;background:linear-gradient(rgba(30,58,186,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(30,58,186,.045) 1px,transparent 1px);background-size:28px 28px;mask-image:radial-gradient(circle at center,#000 0%,transparent 76%);pointer-events:none}.panel-label{position:relative;z-index:1;display:flex;justify-content:space-between;color:var(--muted);font-size:11px;font-weight:900;letter-spacing:.14em}.panel-label b{color:var(--accent)}
.ecosystem-canvas{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:17px;align-content:center;min-height:495px;padding:35px 16px 18px}.ecosystem-canvas:before,.ecosystem-canvas:after{content:"";position:absolute;z-index:-1;pointer-events:none}.ecosystem-canvas:before{top:50%;left:16%;right:16%;height:1px;background:rgba(30,58,186,.15)}.ecosystem-canvas:after{top:19%;bottom:19%;left:50%;width:1px;background:rgba(30,58,186,.15)}.ecosystem-block{--block-color:var(--primary);position:relative;min-height:176px;display:flex;flex-direction:column;align-items:flex-start;padding:22px;overflow:hidden;color:var(--ink);border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;text-align:left;transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease,color .28s ease}.ecosystem-block:before{content:"";position:absolute;inset:0 0 auto;height:5px;background:var(--block-color)}.ecosystem-block:after{content:"";position:absolute;right:-38px;bottom:-43px;width:120px;height:120px;border-radius:50%;background:color-mix(in srgb,var(--block-color),#fff 87%);transition:transform .32s ease}.ecosystem-block:hover,.ecosystem-block.is-active,.ecosystem-block:focus-visible{color:color-mix(in srgb,var(--block-color),#111827 18%);border-color:color-mix(in srgb,var(--block-color),#fff 40%);box-shadow:0 20px 38px rgba(15,23,42,.1);transform:translateY(-4px);outline:none}.ecosystem-block:hover:after,.ecosystem-block.is-active:after{transform:scale(1.38)}.ecosystem-block span,.role-card span{position:relative;z-index:1;color:color-mix(in srgb,var(--block-color),#fff 62%);font-size:34px;font-weight:900;line-height:1}.ecosystem-block strong{position:relative;z-index:1;margin-top:18px;font-size:25px}.ecosystem-block small{position:relative;z-index:1;margin-top:8px;color:var(--muted);font-size:12px;font-weight:650;line-height:1.55}.ecosystem-block i{position:relative;z-index:1;align-self:flex-end;margin-top:auto;color:var(--block-color);font-size:23px;font-style:normal}.block-training{--block-color:var(--cyan)}.block-consulting{--block-color:var(--violet)}.block-activity{--block-color:var(--accent)}.block-subcontract{--block-color:var(--green)}.canvas-foot{position:relative;z-index:1;display:flex;justify-content:center;gap:11px;color:var(--muted);font-size:11px;font-weight:800}.canvas-foot b{color:var(--accent)}
.detail-panel{display:flex;flex-direction:column;padding:35px}.detail-kicker{display:flex;align-items:center;gap:11px;margin-bottom:20px;color:var(--panel-color,var(--primary));font-size:13px;font-weight:900;letter-spacing:.17em}.detail-kicker:before{content:"";width:16px;height:16px;border-radius:5px;background:currentColor}.detail-panel h2{margin:0;font-size:clamp(43px,3.5vw,68px);font-weight:950;letter-spacing:-.06em;line-height:1.08}.detail-summary{margin:23px 0 32px;color:#70819c;font-size:clamp(16px,1.3vw,22px);font-weight:650;line-height:1.7}.detail-facts{margin:0;border-top:1px solid var(--line)}.detail-facts>div{display:grid;grid-template-columns:118px minmax(0,1fr);gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}.detail-facts dt{color:#34445d;font-size:16px;font-weight:900}.detail-facts dd{margin:0;color:#26364f;font-size:16px;font-weight:780;line-height:1.55}.detail-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:auto;padding-top:28px}.pill-primary,.pill-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:55px;padding:0 23px;border-radius:999px;font-size:15px;font-weight:900;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.pill-primary{color:#fff;background:var(--primary);box-shadow:0 12px 24px rgba(30,58,186,.2)}.pill-secondary{color:var(--primary);border:1px solid #c6d0f6;background:#f1f4ff}.pill-primary:hover,.pill-secondary:hover{transform:translateY(-2px)}
.path-section{margin-top:58px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-head h2{margin:0;color:var(--ink);font-size:29px;letter-spacing:-.04em}.section-head p{max-width:600px;margin:0;color:var(--muted);font-size:14px}.path-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.path-card{position:relative;min-height:190px;padding:22px;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#fff}.path-card:before{content:"";position:absolute;inset:0 0 auto;height:5px;background:var(--card-color,var(--primary))}.path-card span{color:color-mix(in srgb,var(--card-color,var(--primary)),#fff 62%);font-size:34px;font-weight:900;line-height:1}.path-card h3{margin:21px 0 7px;font-size:22px}.path-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}.path-card:not(:last-child):after{content:"→";position:absolute;right:-14px;top:76px;z-index:2;color:var(--accent);font-size:20px}
.collab-canvas{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;align-items:center;min-height:495px;padding:62px 0 24px}.collab-canvas:before{content:"";position:absolute;z-index:-1;top:49%;left:9%;right:9%;height:1px;background:rgba(30,58,186,.18)}.role-card{--block-color:var(--primary);position:relative;min-height:260px;display:flex;flex-direction:column;padding:20px;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;text-align:left;transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease}.role-card:before{content:"";position:absolute;inset:0 0 auto;height:5px;background:var(--block-color)}.role-card:hover,.role-card.is-active,.role-card:focus-visible{border-color:color-mix(in srgb,var(--block-color),#fff 40%);box-shadow:0 20px 38px rgba(15,23,42,.1);transform:translateY(-4px);outline:none}.role-card span{font-size:29px}.role-card h3{margin:18px 0 8px;font-size:21px}.role-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}.role-card small{display:block;margin-top:auto;color:var(--block-color);font-size:11px;font-weight:900}.role-client{--block-color:var(--cyan)}.role-platform{--block-color:var(--primary)}.role-vendor{--block-color:var(--violet)}.role-partner{--block-color:var(--green)}.role-arrow{position:absolute;top:calc(50% - 14px);z-index:2;color:var(--accent);font-size:21px}.arrow-1{left:24%}.arrow-2{left:49%}.arrow-3{left:74%}
.ecosystem-section{margin-top:58px}.ecosystem-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}.subject-card,.capacity-card{min-height:270px;padding:27px;border:1px solid var(--line);border-radius:8px;background:#fff}.subject-card h3,.capacity-card h3{margin:0 0 13px;font-size:23px}.subject-card p,.capacity-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}.subject-badges,.capacity-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}.subject-badges span,.capacity-badges span{padding:9px 12px;color:var(--primary);border:1px solid #c6d0f6;border-radius:999px;background:#f1f4ff;font-size:13px;font-weight:850}.capacity-badges span{color:#33425b;border-color:var(--line);background:#fff}.capacity-badges span:last-child{color:#fff;border-color:var(--primary);background:var(--primary)}
footer{margin-top:70px;padding:27px 0;border-top:1px solid rgba(229,231,235,.9);background:#fff;color:var(--muted);font-size:13px}footer .container{display:flex;justify-content:space-between;gap:20px}

/* ---------- subcontract 环形图（首页风格复用） ---------- */
.party-panel{position:relative;display:grid;place-items:center;padding:34px;min-height:590px;overflow:hidden;border:1px solid rgba(229,231,235,.92);border-radius:10px;background:rgba(255,255,255,.9);box-shadow:0 24px 60px rgba(15,23,42,.07)}.party-panel:before{content:"";position:absolute;inset:24px;border-radius:8px;background:linear-gradient(rgba(30,58,186,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(30,58,186,.045) 1px,transparent 1px);background-size:28px 28px;mask-image:radial-gradient(circle at center,#000 0%,transparent 76%);pointer-events:none}
.party-orbit{position:relative;width:min(590px,100%);aspect-ratio:1;border:1px solid rgba(30,58,186,.1);border-radius:50%;background:radial-gradient(circle,rgba(255,107,53,.14) 0 13%,transparent 13.3%),radial-gradient(circle,transparent 0 51%,rgba(0,107,255,.15) 51.2% 51.8%,transparent 52.1%),radial-gradient(circle,transparent 0 71%,rgba(16,185,129,.16) 71.2% 71.8%,transparent 72.1%),radial-gradient(circle,rgba(255,255,255,.96),rgba(248,250,252,.94))}
.party-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.party-lines line{stroke:rgba(30,58,186,.16);stroke-width:1.5}
.party-core{position:absolute;top:50%;left:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;transform:translate(-50%,-50%);user-select:none;width:170px;height:170px;padding:14px;color:#fff;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));box-shadow:0 20px 52px rgba(30,58,186,.25);cursor:pointer;z-index:4;transition:transform .25s ease,box-shadow .25s ease}.party-core:hover,.party-core:focus-visible,.party-core.is-active{transform:translate(-50%,-50%) scale(1.06);box-shadow:0 24px 60px rgba(30,58,186,.35);outline:none}
.party-node{position:absolute;top:50%;left:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;transform:translate(-50%,-50%);user-select:none;--node-color:var(--primary);width:114px;height:114px;padding:10px 8px;color:var(--ink);border:1px solid rgba(229,231,235,.95);border-radius:50%;background:rgba(255,255,255,.96);box-shadow:0 12px 28px rgba(15,23,42,.08);cursor:pointer;z-index:3;transition:transform .25s ease,box-shadow .25s ease,color .25s ease,border-color .25s ease}
.party-node:hover,.party-node:focus-visible,.party-node.is-active{color:var(--node-color);border-color:color-mix(in srgb,var(--node-color),#fff 35%);box-shadow:0 18px 38px rgba(15,23,42,.12);transform:translate(-50%,-50%) scale(1.05);outline:none}
.party-node .node-label{display:block;font-size:16px;font-weight:900;line-height:1.18}
.party-node .node-sub{display:block;margin-top:4px;font-size:10px;font-weight:800;color:var(--muted);letter-spacing:.06em}
.party-node .node-tag{position:absolute;top:-9px;left:50%;transform:translateX(-50%);padding:2px 9px;font-size:10px;font-weight:900;letter-spacing:.04em;color:#fff;border-radius:999px;background:var(--node-color)}
.party-core .core-label{display:block;font-size:18px;font-weight:900;line-height:1.15}
.party-core .core-party{display:block;margin-top:3px;font-size:11px;font-weight:900;letter-spacing:.18em;color:rgba(255,255,255,.92);text-shadow:0 1px 2px rgba(0,0,0,.18)}
.party-core .core-en{display:block;margin-top:6px;color:rgba(255,255,255,.74);font-size:10px;font-weight:900;letter-spacing:.11em}
.party-core .core-tag{position:absolute;top:-8px;left:50%;transform:translateX(-50%);padding:3px 11px;font-size:11px;font-weight:900;letter-spacing:.04em;color:#fff;border-radius:999px;background:var(--accent);box-shadow:0 6px 16px rgba(255,107,53,.4)}

/* ---------- subcontract 三大动作（下方固定三卡） ---------- */
.action-strip{margin-top:28px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.action-card{position:relative;min-height:175px;padding:22px 22px 22px 28px;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#fff}
.action-card:before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;border-radius:0 3px 3px 0;background:var(--accent,#FF6B35)}
.action-card .ac-index{color:#FF6B35;font-size:13px;font-weight:900;letter-spacing:.16em}
.action-card h3{margin:7px 0 9px;font-size:21px;font-weight:950}
.action-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
.action-card .ac-foot{display:inline-block;align-self:flex-start;margin-top:auto;padding:6px 11px;color:#c2410c;border-radius:999px;background:rgba(255,107,53,.09);font-size:12px;font-weight:850;letter-spacing:.02em}

/* ---------- subcontract Section 2 业务↔技术 双栏汇聚 ---------- */
.bt-shell{position:relative;margin-top:18px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:28px;overflow:hidden}
.bt-shell:before{content:"";position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,var(--cyan) 0%,var(--cyan) 35%,var(--primary) 50%,var(--violet) 65%,var(--violet) 100%)}
.bt-grid{position:relative;display:grid;grid-template-columns:1fr 220px 1fr;gap:22px;align-items:stretch}
.bt-side{position:relative;padding:24px;border:1px solid var(--line);border-radius:8px;background:#FAFBFD}
.bt-side h3{margin:0;font-size:21px}
.bt-side p.bt-desc{margin:8px 0 18px;color:var(--muted);font-size:13px;line-height:1.7}
.bt-bullets{margin:0;padding:0;list-style:none}
.bt-bullets li{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-top:1px solid var(--line);font-size:13.5px;line-height:1.6}
.bt-bullets li:first-child{border-top:0}
.bt-bullets li i{display:inline-block;flex:0 0 18px;height:18px;margin-top:2px;color:#fff;background:var(--accent);border-radius:5px;font-style:normal;font-size:11px;font-weight:900;line-height:18px;text-align:center}
.bt-side.business{border-color:color-mix(in srgb,var(--cyan),#fff 60%);background:linear-gradient(180deg,#F0F9FF,#FAFBFD)}
.bt-side.business h3{color:var(--secondary)}
.bt-side.business li i{background:var(--cyan)}
.bt-side.tech{border-color:color-mix(in srgb,var(--violet),#fff 60%);background:linear-gradient(180deg,#F5F3FF,#FAFBFD)}
.bt-side.tech h3{color:#6D28D9}
.bt-side.tech li i{background:var(--violet)}
.bt-mid{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:18px 8px;border-radius:10px;background:linear-gradient(180deg,rgba(30,58,186,.05),rgba(255,107,53,.04));text-align:center}
.bt-mid .bt-core{width:128px;height:128px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:50%;color:#fff;background:linear-gradient(135deg,var(--primary),var(--secondary));box-shadow:0 18px 38px rgba(30,58,186,.28);font-size:18px;font-weight:900;line-height:1.18}
.bt-mid .bt-core em{display:block;margin-top:5px;font-style:normal;font-size:10px;font-weight:900;letter-spacing:.11em;opacity:.85}
.bt-mid .bt-arrow{position:absolute;color:var(--accent);font-size:26px;font-weight:900}
.bt-mid .bt-arrow.top{top:14px}
.bt-mid .bt-arrow.bot{bottom:14px}
.bt-mid .bt-mid-tag{margin-top:14px;font-size:11px;font-weight:900;letter-spacing:.14em;color:var(--accent)}
.bt-foot{margin-top:22px;padding:18px 22px;border:1px dashed color-mix(in srgb,var(--accent),#fff 50%);border-radius:8px;background:rgba(255,107,53,.05);color:#34445d;font-size:14px;line-height:1.7}
.bt-foot strong{color:var(--accent)}
.bt-foot .bt-partners{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.bt-foot .bt-partners span{padding:6px 11px;color:var(--primary);border:1px solid #c6d0f6;border-radius:999px;background:#f1f4ff;font-size:12px;font-weight:850}
@media(max-width:1100px){.container{width:min(100% - 44px,980px)}.hero{grid-template-columns:1fr;gap:15px}.hero p{max-width:760px}.reference-shell,.ecosystem-grid{grid-template-columns:1fr}.detail-panel{min-height:540px}.path-cards{grid-template-columns:1fr 1fr}.role-card{min-height:205px}.bt-grid{grid-template-columns:1fr;gap:16px}.bt-mid{order:-1;padding:22px 8px}.action-strip{grid-template-columns:1fr}.party-panel{min-height:500px}}
@media(max-width:700px){.container{width:calc(100% - 24px)}.topbar-inner{min-height:61px}.brand small{display:none}.menu-button{display:block}.nav{display:none;position:absolute;top:61px;right:12px;left:12px;z-index:20;padding:10px 16px;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 16px 34px rgba(15,23,42,.13)}.nav.is-open{display:grid;gap:8px}.nav a{padding:10px 0}main{padding-top:30px}.hero{margin-bottom:27px}.hero h1{font-size:48px}.hero p{font-size:16px}.visual-panel{min-height:480px;padding:20px}.ecosystem-canvas{min-height:408px;padding:23px 0 15px;gap:12px}.ecosystem-block{min-height:150px;padding:16px}.ecosystem-block span{font-size:28px}.ecosystem-block strong{margin-top:13px;font-size:21px}.ecosystem-block small{font-size:11px}.detail-panel{min-height:auto;padding:24px}.detail-panel h2{font-size:46px}.detail-summary{margin:16px 0 22px;font-size:16px}.detail-facts>div{grid-template-columns:78px 1fr;gap:10px;padding:12px 0}.detail-facts dt,.detail-facts dd{font-size:13px}.detail-actions{margin-top:22px;padding-top:0}.pill-primary,.pill-secondary{min-height:46px;padding:0 15px;font-size:13px}.path-section,.ecosystem-section{margin-top:38px}.section-head{display:block}.section-head p{margin-top:8px}.path-cards{grid-template-columns:1fr}.path-card:not(:last-child):after{display:none}.collab-canvas{grid-template-columns:1fr 1fr;min-height:440px;padding:35px 0 10px}.collab-canvas:before,.role-arrow{display:none}.action-strip{grid-template-columns:1fr}.party-node{width:88px;height:88px;padding:8px 6px}.party-node .node-label{font-size:13px}.party-node .node-sub{font-size:8px}.party-core{width:138px;height:138px;padding:10px}.party-core .core-label{font-size:16px}.bt-mid .bt-core{width:106px;height:106px;font-size:15px}.ecosystem-grid{grid-template-columns:1fr}.subject-card,.capacity-card{min-height:0;padding:22px}footer{margin-top:42px}footer .container{display:block}footer span+span{display:block;margin-top:6px}}