:root{color-scheme:light;--bg:#f5f8fa;--panel:#fff;--text:#172c3a;--muted:#566b79;--orange:#087e83;--line:#dce6e9;--ink:#172c3a;--ink-2:#4b6270;--ink-3:#5a707d;--accent:#087e83;--accent-2:#116e83;--accent-ink:#086b70;--accent-soft:#e8f5f3}
body,body.nb{background:#f5f8fa;color:#172c3a;font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft YaHei',sans-serif;line-height:1.7}body::before{display:none!important}*{box-sizing:border-box}img,video,canvas{max-width:100%}a,button,input,select,textarea{touch-action:manipulation}button,a{ -webkit-tap-highlight-color:transparent}button:disabled{opacity:.55;cursor:not-allowed}:focus-visible{outline:3px solid #0b8288!important;outline-offset:4px}html{scroll-padding-top:100px}
.nb-head,body:not(.nb)>header{background:#ffffffed;border-bottom:1px solid #dce6e9;box-shadow:0 4px 24px #17384905}.nb-head-in{max-width:1240px!important}.nb-logo,.logo{background:#087e83!important;color:white!important;box-shadow:none!important}.nb-logo i,.logo span{color:#b4eee3!important}.nb-brand{letter-spacing:-.4px}.nb-nav a,body:not(.nb) nav a{color:#465e6c}.nb-btn{border-radius:10px!important;font-weight:650!important}.nb-btn-primary,body.nb a.nb-btn-primary{background:#087e83!important;color:#fff!important;border-color:#087e83!important;box-shadow:0 4px 10px #087e8318}.nb-btn-primary:hover{background:#06676d!important}.nb-lang{color:#36505f!important;background:#f4f8f9!important;border:1px solid #dce6e9!important}
.nb-intro{padding:46px 0 32px!important;border-bottom:1px solid #dce6e9;margin-bottom:28px}.nb-intro h1{font-size:clamp(30px,4vw,46px)!important;max-width:780px;line-height:1.18!important;letter-spacing:-1.6px!important}.nb-intro h1 span{color:#087e83!important}.nb-intro>p{max-width:750px;font-size:16px!important;line-height:1.8}.nb-stats{gap:18px!important}.nb-stats b{color:#087e83}.tools-grid{gap:16px!important}.tool-card{border:1px solid #dce6e9!important;border-radius:16px!important;background:#fff!important;box-shadow:0 3px 10px #18374704!important;transition:transform .18s,box-shadow .18s!important}.tool-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px #1738490c!important;border-color:#79b8b5!important;text-decoration:none!important}.tool-card h3{color:#172c3a}.tool-card p{color:#506976}.tool-icon{background:#e8f5f3!important;color:#087e83!important}.tool-hero{padding-top:32px!important}.tool-panel,.tool-box,.tool-info>div,.legal{border-radius:16px!important;box-shadow:0 3px 16px #17384905}.drop{background:#f3faf9!important;border-color:#9bc8c5!important}.nb-modal-card{border-radius:20px!important;box-shadow:0 24px 100px #132f4133!important;max-height:90dvh;overflow:auto}.nb-foot{background:#eaf1f3!important;margin-top:48px!important}.cat-tiles>a{background:#fff!important;border:1px solid #dce6e9!important}.card,.dl-item{background:#fff!important;border:1px solid #dce6e9!important;border-radius:14px!important;box-shadow:0 3px 12px #17384904!important}.card:hover,.dl-item:hover{box-shadow:0 12px 28px #17384910!important;border-color:#86bbb9!important;transform:translateY(-3px)!important}.card-copy h3{color:#203b49}.card-copy p,.card-foot{color:#546c78!important}.card-art:not(.card-img){background:#e9f2f3!important;color:#087e83!important}.card-foot{border-color:#e3ecee!important}.section-banner{border-radius:16px}.search{background:#fff!important}.search button,.button{background:#087e83!important;color:white!important;box-shadow:none!important}.button.ghost{background:transparent!important;color:#087e83!important}.chips a{background:#fff!important;color:#46616f!important}.hero.v2 h1,.hero-stats b{background:none!important;-webkit-text-fill-color:#172c3a!important}.quote-strip{background:#edf6f5!important;color:#36545f!important;border-color:#c8e2df!important}.ad:not(.ad-banner){background:#eef4f3!important;border-color:#d4e3e1!important}.reading{background:#fff;border:1px solid #dce6e9;border-radius:18px;padding:32px!important}.reading h1{font-size:clamp(25px,3vw,38px);letter-spacing:-.6px}.prose{font-size:16px;line-height:1.95;color:#344e5b}.prose h2,.prose h3{color:#172c3a}.prose a{color:#087e83;text-decoration:underline;text-underline-offset:3px}.resource,.comments,.step,.sidebar>section{background:#f1f7f7!important;border-color:#dce6e9!important}.breadcrumbs,.meta,.lead{color:#5b707a!important}input,textarea,select{color:#173849}body:not(.nb) input,body:not(.nb) textarea{background:#fff!important;border:1px solid #c7d9de!important;border-radius:8px}footer{color:#586f7b}.locale-note{font-size:12px;padding:8px 12px;border-radius:8px;background:#e8f5f3;color:#34605f;margin:12px 0}.locale-toggle{border:1px solid #cbdde0;background:white;border-radius:8px;padding:7px 10px;white-space:nowrap;cursor:pointer;color:#24505c}
@media(max-width:720px){body:not(.nb)>header{padding:16px;gap:12px;flex-wrap:wrap}body:not(.nb) nav{order:3;width:100%;overflow:auto;gap:20px;padding:6px 0}body:not(.nb) main{padding:0 16px}.nb-head-in{height:auto!important;min-height:62px;flex-wrap:wrap;padding-top:10px!important;padding-bottom:10px!important}.nb-nav{display:flex!important;order:3;width:100%;justify-content:center;gap:24px!important}.nb-head-actions{margin-left:auto}.nb-brand{font-size:14px!important}.nb-intro{padding:26px 0!important}.nb-intro h1{letter-spacing:-.8px!important}.reading{padding:20px!important}.reading-grid,.content-grid{grid-template-columns:minmax(0,1fr)!important}.nb-stats{flex-wrap:wrap}.nb-modal-card{width:calc(100vw - 28px)!important}.tools-grid{gap:12px!important}.tool-layout{min-width:0}.legal table{display:block;overflow:auto}.nb-foot-in{padding:26px 16px!important}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

#placeholder:not(.show){display:none!important}

/* Home dedicates equal desktop width to tools and the preserved resource library. */
body.nb main:has(>#tools){display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:28px;max-width:1280px}
body.nb main:has(>#tools)>.nb-intro{grid-column:1/-1}
#tools .tools-grid{grid-template-columns:repeat(2,minmax(0,1fr))}#tools .tool-card{min-height:180px}
#explore .cards,#explore .grid4{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
#explore .card>a{display:flex;align-items:center;min-height:100px}#explore .card-art,#explore .card-art.card-img{width:58px;height:66px;min-height:66px;flex:none;margin-left:10px;border-radius:8px;overflow:hidden}#explore .card-art img{height:66px!important}#explore .card-art b{font-size:15px;letter-spacing:0}#explore .card-art span,#explore .card-art i{display:none}#explore .card-copy{padding:10px;min-width:0}#explore .card-copy h3{font-size:13px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:3px 0}#explore .card-copy p,#explore .card-foot{display:none}#explore .eyebrow{font-size:9px;letter-spacing:0}#explore .cat-tiles{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}#explore .cat-tile{padding:10px}#explore .cat-tile small{font-size:11px}#explore .cat-tile em{font-size:11px}#explore .home-head{margin:18px 0 12px}#explore .home-head h2{font-size:17px}#explore .home-head .more{font-size:12px}#explore .nb-sec-head{gap:8px}#explore .nb-sec-head p{font-size:12px}
@media(max-width:900px){body.nb main:has(>#tools){grid-template-columns:minmax(0,1fr)}#tools .tool-card{min-height:0}#explore .cards,#explore .grid4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:430px){#tools .tools-grid{grid-template-columns:minmax(0,1fr)}#explore .cards,#explore .grid4{grid-template-columns:minmax(0,1fr)}#explore .cat-tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
.nb-foot{display:block!important;max-width:none!important;padding:0!important}.nb-foot-base{max-width:1240px;margin:auto;flex-wrap:wrap}.card,.dl-item{animation:none!important}