:root{--bg:#edf2f6;--bg2:#e4ebf0;--surface:#f8fafb;--ink:#102c46;--muted:#566d81;--line:#102c4626;--orange:#f26a32;--orange-dark:#c94c1c;--blue:#245b87;--cyan:#3c8590;--green:#3d806b;--violet:#736a9a;--shadow:0 18px 54px #142f451f;--radius:24px;--max:1440px;--nav-h:78px}*{box-sizing:border-box}html,body{margin:0;overflow-x:clip}html{scroll-behavior:smooth}body{background:var(--bg);min-height:100vh;color:var(--ink);-webkit-font-smoothing:antialiased;font-family:Source Han Sans SC,Noto Sans CJK SC,Microsoft YaHei,Arial,sans-serif;font-size:17px;line-height:1.65}body:after{content:"";pointer-events:none;z-index:50;opacity:.025;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");position:fixed;inset:0}a{color:inherit}img{max-width:100%;display:block}button,a{touch-action:manipulation}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.025em;overflow-wrap:anywhere;min-width:0;line-height:1.15}h1{margin-bottom:18px;font-size:clamp(2.25rem,4.5vw,4.6rem)}h2{margin-bottom:18px;font-size:clamp(1.75rem,3vw,3rem)}h3{margin-bottom:10px;font-size:1.28rem}.en{color:var(--muted);letter-spacing:0;font-size:.88em;font-weight:500;line-height:1.45;display:block}.wrap{width:min(calc(100% - 52px),var(--max));margin:auto}.page-shell{padding-top:var(--nav-h)}.site-nav{z-index:40;height:var(--nav-h);border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#f2f6f8e6;align-items:center;display:flex;position:fixed;inset:0 0 auto}.nav-inner{width:min(calc(100% - 52px),var(--max));justify-content:space-between;align-items:center;gap:28px;margin:auto;display:flex}.brand{align-items:center;gap:12px;font-weight:900;line-height:1.1;text-decoration:none;display:flex}.brand-mark{background:var(--ink);color:#eef3f6;border-radius:14px;place-items:center;width:40px;height:40px;font:700 1.05rem Georgia,serif;display:grid;box-shadow:inset -9px -9px #f26a32d9}.brand small{color:var(--muted);margin-top:3px;font-weight:600;display:block}.nav-links{align-items:center;gap:3px;display:flex}.nav-links a{border-bottom:2px solid #0000;flex-direction:column;justify-content:center;min-height:44px;padding:7px 12px;font-size:.82rem;font-weight:800;line-height:1.15;text-decoration:none;display:flex}.nav-links a span{color:var(--muted);margin-top:4px;font-size:.72rem;font-weight:500}.nav-links a:hover,.nav-links a.active{color:var(--orange-dark);border-color:var(--orange)}.nav-toggle{width:48px;height:48px;color:var(--ink);background:0 0;border:0;font-size:1.4rem;display:none}.hero{min-height:calc(100vh - var(--nav-h));isolation:isolate;background:linear-gradient(90deg,#edf2f6fa 0%,#edf2f6eb 50%,#edf2f694 100%);align-items:center;display:grid;position:relative;overflow:hidden}.hero:before{content:"";z-index:-2;opacity:.78;background:url(./hero-background-y3eFIqph.png) 50%/cover no-repeat;position:absolute;inset:0}.hero:after{content:"";z-index:-1;background:linear-gradient(90deg,#edf2f6fa,#edf2f6d1 52%,#edf2f62e);position:absolute;inset:0}.hero-grid{grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr);align-items:center;gap:64px;padding:72px 0;display:grid}.hero-copy{max-width:790px}.hero-copy>p{color:#425d72;max-width:700px;font-size:1.13rem}.title-en{color:var(--blue);margin-bottom:26px;font-size:clamp(1.15rem,1.9vw,1.65rem);font-weight:700}.cta-row{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.btn{border:1px solid var(--line);background:#f8fafbcc;border-radius:13px;justify-content:center;align-items:center;min-height:50px;padding:10px 20px;font-weight:850;text-decoration:none;display:inline-flex}.btn.primary{background:var(--orange);border-color:var(--orange);color:#fff8f4;box-shadow:0 12px 26px #f26a3233}.btn:hover{transform:translateY(-2px)}.audience-panel{box-shadow:var(--shadow);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f8fafbc7;border:1px solid #ffffffa6;border-radius:26px;padding:30px}.audience-panel h2{font-size:1.45rem}.audience-list{background:var(--line);border:1px solid var(--line);border-radius:18px;grid-template-columns:1fr 1fr;gap:1px;display:grid;overflow:hidden}.audience-list div{background:#f8fafbe0;padding:17px}.audience-list b{color:var(--orange-dark);font-size:1.2rem;display:block}.audience-list small{color:var(--muted);line-height:1.35;display:block}.quick-band{border-top:1px solid var(--line);background:#f8fafbe0;padding:50px 0 74px}.section-head{justify-content:space-between;align-items:end;gap:28px;margin-bottom:28px;display:flex}.section-head h2{margin:0}.section-head p{max-width:580px;color:var(--muted);margin:0}.quick-index{border-top:1px solid var(--line);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.quick-link{border-bottom:1px solid var(--line);min-height:128px;padding:26px 26px 26px 64px;text-decoration:none;position:relative}.quick-link:nth-child(odd){border-right:1px solid var(--line)}.quick-link .n{color:var(--orange-dark);font:700 1.1rem Georgia,serif;position:absolute;top:27px;left:18px}.quick-link h3{margin-bottom:4px}.quick-link p{color:var(--muted);margin:0;font-size:.88rem}.quick-link:hover{background:#f26a320f}.page-hero{border-bottom:1px solid var(--line);background:linear-gradient(135deg,var(--bg),var(--bg2));padding:66px 0 44px}.page-hero-grid{grid-template-columns:1fr auto;align-items:end;gap:30px;display:grid}.page-hero h1{margin:0;font-size:clamp(2.25rem,4vw,4rem)}.page-hero p{max-width:800px;color:var(--muted);margin:20px 0 0;font-size:1.05rem}.page-code{color:#102c4614;font:700 clamp(3rem,7vw,7rem)/.8 Georgia,serif}.content{padding:58px 0 90px}.note{color:#435d70;background:#f26a3214;border-radius:14px;padding:17px 20px}.note b{color:var(--orange-dark)}.download-table{border-top:1px solid var(--line)}.download-row{border-bottom:1px solid var(--line);grid-template-columns:70px minmax(0,1.1fr) minmax(0,1.2fr) auto;align-items:center;gap:26px;padding:24px 0;display:grid}.download-row .code{color:var(--orange-dark);font:700 1.4rem Georgia,serif}.download-row h2{margin:0;font-size:1.35rem}.download-row p{color:var(--muted);margin:0;font-size:.9rem}.download-row .btn{white-space:nowrap}.download-intro{grid-template-columns:1fr 1fr;gap:30px;margin-bottom:42px;display:grid}.download-intro aside{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:24px}.profile-layout{grid-template-columns:minmax(280px,.68fr) minmax(0,1.32fr);align-items:start;gap:54px;display:grid}.portrait{box-shadow:var(--shadow);background:#dce9ef;border-radius:24px;position:sticky;top:110px;overflow:hidden}.portrait img{aspect-ratio:4/5;object-fit:cover;object-position:center top;width:100%}.portrait figcaption{background:var(--ink);color:#f2f6f8;padding:18px 20px;font-weight:850}.profile-copy{columns:2;column-gap:36px}.profile-copy section{break-inside:avoid;border-bottom:1px solid var(--line);margin-bottom:28px;padding-bottom:22px}.profile-copy h2{font-size:1.45rem}.profile-copy p{color:#385469}.profile-copy .en{margin-top:10px}.tagline{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.tag{color:var(--blue);background:#245b8714;border-radius:99px;padding:6px 11px;font-size:.78rem;font-weight:750}.diagram-stack{gap:34px;display:grid}.diagram-panel{border:1px solid var(--line);background:#f8fafbe0;border-radius:26px;padding:28px;overflow:hidden;box-shadow:0 12px 34px #142f4512}.diagram-title{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px;display:flex}.diagram-title h2{margin:0;font-size:1.55rem}.diagram-title p{max-width:520px;color:var(--muted);margin:0;font-size:.88rem}.map-grid{grid-template-columns:repeat(7,minmax(110px,1fr));align-items:stretch;gap:14px;display:grid}.node{background:#eef4f8;border:1px solid #245b8729;border-radius:18px;flex-direction:column;justify-content:space-between;min-height:150px;padding:20px 16px;display:flex;position:relative}.node strong{font-size:1.2rem}.node small{color:var(--muted);line-height:1.35}.node.orange{background:#fff0e9;border-color:#f26a3242}.node.green{background:#eaf5f1;border-color:#3d806b38}.node.violet{background:#f0eef7;border-color:#736a9a33}.node:after{content:"→";color:var(--orange-dark);z-index:2;font-size:1.25rem;position:absolute;top:50%;right:-13px}.node:last-child:after{display:none}.relationship-svg{width:100%;height:auto;min-height:520px}.relationship-svg text{font-family:Microsoft YaHei,Arial,sans-serif}.legend{color:var(--muted);flex-wrap:wrap;gap:18px;margin-top:16px;font-size:.8rem;display:flex}.legend span:before{content:"";background:var(--blue);border-radius:50%;width:10px;height:10px;margin-right:6px;display:inline-block}.legend span:nth-child(2):before{background:var(--orange)}.legend span:nth-child(3):before{background:var(--green)}.workflow-nav{flex-wrap:wrap;gap:8px;margin-bottom:28px;display:flex}.workflow-tab{border:1px solid var(--line);background:var(--surface);min-height:46px;color:var(--ink);font:inherit;cursor:pointer;border-radius:12px;padding:9px 16px;font-weight:800}.workflow-tab.active{background:var(--ink);color:#f4f7f8}.workflow-panel{display:none}.workflow-panel.active{display:block}.workflow-canvas{grid-template-columns:repeat(6,minmax(0,1fr));align-items:stretch;gap:12px;display:grid}.flow-step{border-top:4px solid var(--blue);background:var(--surface);border-radius:0 0 18px 18px;min-height:178px;padding:20px 16px;position:relative;box-shadow:0 9px 24px #142f450f}.flow-step:nth-child(3n+2){border-color:var(--cyan)}.flow-step:nth-child(3n){border-color:var(--orange)}.flow-step:not(:last-child):after{content:"→";color:var(--orange-dark);z-index:2;font-size:1.2rem;position:absolute;top:48%;right:-13px}.flow-step b{margin-bottom:8px;display:block}.flow-step small{color:var(--muted);line-height:1.4}.workflow-tip{grid-template-columns:1fr 1fr;gap:18px;margin-top:22px;display:grid}.workflow-tip>div{background:#245b870f;border-radius:16px;padding:20px}.workflow-tip b{color:var(--blue)}.tool-section{border-bottom:1px solid var(--line);padding:54px 0;scroll-margin-top:90px}.tool-grid{grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);align-items:start;gap:48px;display:grid}.tool-copy{position:sticky;top:110px}.tool-copy h2{font-size:2rem}.tool-copy p{color:var(--muted)}.steps{margin:22px 0 0;padding:0;list-style:none}.steps li{border-top:1px solid var(--line);grid-template-columns:34px 1fr;gap:12px;padding:13px 0;display:grid}.steps b{color:var(--orange-dark)}.shots{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.shot{background:var(--surface);border:1px solid var(--line);border-radius:18px;margin:0;overflow:hidden;box-shadow:0 10px 28px #142f4514}.shot button{cursor:zoom-in;background:0 0;border:0;width:100%;padding:0}.shot img{object-fit:contain;background:#e8edf1;width:100%;height:260px}.shot figcaption{color:var(--muted);padding:13px 15px;font-size:.82rem}.shot.wide{grid-column:1/-1}.shot.wide img{height:330px}.course-route{border-top:1px solid var(--line);grid-template-columns:repeat(6,minmax(0,1fr));margin-top:34px;display:grid}.route-step{border-left:1px solid var(--line);padding:18px}.route-step:first-child{border-left:0}.route-step b{color:var(--orange-dark);font-family:Georgia,serif;font-size:1.2rem;display:block}.route-step span{margin-top:6px;font-weight:800;display:block}.route-step small{color:var(--muted)}.footer{border-top:1px solid var(--line);color:var(--muted);background:#e5ebef;padding:28px 0;font-size:.8rem}.footer-inner{justify-content:space-between;align-items:center;gap:20px;display:flex}.footer a{color:var(--blue)}.lightbox{z-index:100;background:#071926e8;place-items:center;padding:26px;display:none;position:fixed;inset:0}.lightbox.open{display:grid}.lightbox img{border-radius:12px;max-width:min(95vw,1800px);max-height:88vh}.lightbox button{width:48px;height:48px;color:var(--ink);background:var(--surface);border:0;border-radius:50%;font-size:1.4rem;position:absolute;top:18px;right:18px}.reveal{opacity:0;transition:opacity .55s,transform .55s;transform:translateY(18px)}.reveal.in{opacity:1;transform:none}@media (width<=1100px){:root{--nav-h:70px}.brand small{display:none}.nav-toggle{display:block}.nav-links{border:1px solid var(--line);box-shadow:var(--shadow);background:#f4f7f9fa;border-radius:18px;padding:12px;display:none;position:absolute;top:76px;left:22px;right:22px}.nav-links.open{grid-template-columns:1fr 1fr;display:grid}.nav-links a{align-items:flex-start}.hero-grid,.profile-layout,.tool-grid{grid-template-columns:1fr}.audience-panel{max-width:680px}.quick-index{grid-template-columns:1fr 1fr}.portrait,.tool-copy{position:static}.portrait{max-width:440px}.profile-copy{columns:1}.map-grid{grid-template-columns:repeat(4,1fr)}.node:nth-child(4):after{display:none}.workflow-canvas{grid-template-columns:repeat(3,1fr)}.flow-step:nth-child(3):after{display:none}.course-route{grid-template-columns:repeat(3,1fr)}}@media (width<=700px){body{font-size:15px}.wrap,.nav-inner{width:min(calc(100% - 26px),var(--max))}.brand{font-size:.88rem}.brand-mark{width:36px;height:36px}.page-shell{padding-top:var(--nav-h)}.hero{min-height:auto}.hero-grid{padding:52px 0}.hero-copy>p{font-size:1rem}.audience-list,.quick-index,.download-intro,.workflow-tip,.shots{grid-template-columns:1fr}.quick-link:nth-child(odd){border-right:0}.section-head,.page-hero-grid,.diagram-title{display:block}.page-code{margin-top:22px}.download-row{grid-template-columns:42px 1fr;gap:14px}.download-row p,.download-row .btn{grid-column:2}.download-row .btn{width:max-content}.map-grid{grid-template-columns:1fr 1fr}.node:nth-child(2n):after{display:none}.relationship-svg{min-height:400px}.workflow-canvas{grid-template-columns:1fr 1fr}.flow-step:nth-child(2n):after{display:none}.shots .wide{grid-column:auto}.shot img,.shot.wide img{height:230px}.course-route{grid-template-columns:1fr 1fr}.route-step{border-bottom:1px solid var(--line)}.footer-inner{display:block}.footer-inner p{margin-bottom:8px}}@media (width<=390px){.nav-links.open,.audience-list,.map-grid,.workflow-canvas,.course-route{grid-template-columns:1fr}.node:after,.flow-step:after{display:none!important}.btn{width:100%}.cta-row{display:grid}.quick-link{padding-left:54px}.relationship-svg{min-height:340px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transition:none;transform:none}.btn:hover{transform:none}*{transition-duration:.01ms!important;animation-duration:.01ms!important}}.react-tilt{transform:perspective(900px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transform-style:preserve-3d;background-image:radial-gradient(circle at var(--mx,50%) var(--my,50%),#f26a321a,transparent 36%);transition:transform .18s,background .2s}.three-shell{border:1px solid var(--line);background:radial-gradient(circle at 50% 44%,#ffffffeb,#e2ebf1cc);border-radius:22px;height:590px;position:relative;overflow:hidden}.three-canvas,.three-canvas>canvas,.three-labels{inset:0;width:100%!important;height:100%!important;position:absolute!important}.three-label{text-align:center;min-width:124px;color:var(--ink);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#f8fafbe6;border:1px solid #102c4621;border-radius:11px;padding:8px 10px;box-shadow:0 7px 20px #142f451a}.three-label b{font-size:.8rem;display:block}.three-label small{color:var(--muted);font-size:.62rem;line-height:1.25;display:block}.three-hint{color:#f1f5f7;pointer-events:none;background:#102c46e0;border-radius:12px;padding:11px 14px;position:absolute;bottom:18px;left:18px}.three-hint b,.three-hint span{display:block}.three-hint span{color:#c8d5dd;font-size:.72rem}.three-hint.show{background:#f26a32f0}.diagram-copy{grid-template-columns:.8fr 1.2fr;gap:28px;margin-bottom:24px;display:grid}.diagram-copy p{color:var(--muted)}.acronym-list{border-top:1px solid var(--line);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.acronym-list div{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:17px}.acronym-list b{display:block}.acronym-list small{color:var(--muted);line-height:1.35;display:block}.workflow-panel{animation:.35s panelIn}@keyframes panelIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}#term-map{scroll-margin-top:86px}@media (width<=900px){.three-shell{height:520px}.diagram-copy{grid-template-columns:1fr}.acronym-list{grid-template-columns:1fr 1fr}}@media (width<=600px){.three-shell{height:460px}.three-label{min-width:92px;padding:6px}.three-label small{font-size:.56rem}.acronym-list{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.react-tilt{transition:none!important;transform:none!important}.workflow-panel{animation:none!important}}.hero{background:var(--bg);min-height:620px}.hero:before{opacity:.25}.hero:after{background:linear-gradient(90deg,#edf2f6fa,#edf2f6b8)}.hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:46px;padding:48px 0}.hero-copy h1{max-width:560px;font-size:clamp(1.9rem,3.15vw,2.85rem);line-height:1.3}.hero-copy>p{max-width:500px;font-size:1rem}.hero-copy .title-en{font-size:1.08rem}.hero-map{min-width:0}.network-preview .three-shell{background:#f8fafb8f;border-color:#102c461a;height:420px}.preview-link{text-align:center;color:var(--blue);margin-top:12px;font-size:.8rem;text-decoration:none;display:block}.page-hero h1{font-size:clamp(1.8rem,3vw,2.8rem)}.section-head h2{font-size:clamp(1.5rem,2.5vw,2.15rem)}.network-explorer{min-width:0}.term-picker{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:18px;display:grid}.term-picker button{text-align:left;background:var(--surface);border:1px solid var(--line);min-width:0;min-height:67px;color:var(--ink);font:inherit;cursor:pointer;border-radius:12px;padding:10px 14px;transition:transform .18s,border-color .18s,background .18s}.term-picker button b{font-size:.9rem;display:block}.term-picker button span{color:var(--muted);font-size:.75rem;line-height:1.3;display:block}.term-picker button:hover{border-color:var(--orange);transform:translateY(-2px)}.term-picker button[aria-pressed=true]{border-color:var(--orange);color:var(--orange-dark);background:#f9eee8}.term-picker button:focus-visible,.three-label:focus-visible,.network-controls button:focus-visible,.preview-link:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.three-shell{overflow:clip}.three-labels{overflow:clip!important}.three-shell{height:570px}.three-canvas>canvas{touch-action:none;cursor:grab}.three-canvas>canvas:active{cursor:grabbing}.three-labels{pointer-events:none!important}.three-label{pointer-events:auto;cursor:pointer;font:inherit;-webkit-backdrop-filter:none;backdrop-filter:none;background:#f8fafbf2;min-width:115px;min-height:44px;transition:opacity .25s,border-color .25s}.three-label small{font-size:.66rem;line-height:1.35}.three-label.is-selected{border-color:var(--orange);color:var(--orange-dark);background:#f9eee8;box-shadow:0 6px 22px #c94c1c1f}.three-label.is-muted{opacity:.52}.network-controls{pointer-events:none;color:var(--muted);justify-content:space-between;align-items:center;gap:12px;font-size:.75rem;display:flex;position:absolute;bottom:14px;left:16px;right:16px}.network-controls span .en{font-size:.9em}.network-controls button{pointer-events:auto;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;white-space:nowrap;border-radius:10px;min-height:44px;padding:10px 14px}.network-loading{color:var(--muted);pointer-events:none;place-content:center;padding:24px;font-size:.9rem;display:grid;position:absolute;inset:0}.concept-detail{border:1px solid var(--line);background:#e8eef2;border-radius:16px;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:24px;margin-top:18px;padding:22px 24px;animation:.3s conceptIn;display:grid}.concept-detail b{font-size:1rem}.concept-detail .en{margin-top:7px;font-size:.85rem}.concept-detail p{color:#3d586b;margin:0;font-size:.9rem}.concept-detail>div{min-width:0}@keyframes conceptIn{0%{opacity:.4;transform:translateY(7px)}to{opacity:1;transform:none}}@media (width<=1000px){.hero-grid{grid-template-columns:1fr;gap:30px}.hero-copy{max-width:700px}.network-preview .three-shell{height:360px}.concept-detail{grid-template-columns:1fr;gap:14px}.term-picker{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (width<=600px){.hero{min-height:auto}.hero-grid{padding:38px 0}.hero-copy h1{font-size:1.9rem}.network-preview .three-shell{height:300px}.three-shell{height:390px}.term-picker{grid-template-columns:repeat(2,minmax(0,1fr))}.term-picker button{padding:10px 12px}.three-label:not(.is-selected){display:none}.three-label{min-width:110px;max-width:170px}.network-controls{font-size:.66rem;left:12px;right:12px}.network-controls button{padding:8px 10px;font-size:.72rem}.concept-detail,.diagram-panel{padding:18px}.network-preview .network-controls>span{max-width:160px}.preview-link{font-size:.72rem}}@media (prefers-reduced-motion:reduce){.concept-detail{animation:none}.term-picker button:hover{transform:none}}