:root{--paper:#f3f7fc;--paper-2:#e9f1fa;--surface:#fff;--surface-2:#f8fbff;--surface-3:#eef5fd;--surface-sunken:#e7eff9;--ink:#123759;--ink-2:#2a4d70;--ink-3:#48698a;--muted:#516c88;--faint:#8299b0;--line:#d4e1ef;--line-soft:#e4edf8;--line-strong:#c2d5e9;--accent:#2467a4;--accent-strong:#1b5185;--accent-deep:#123f68;--accent-soft:#dcebfa;--accent-tint:#eef5fd;--highlight:#a8d2ff;--ring:#9ec8f0;--ok:#1f6f8b;--warn:#9a5b12;--danger:#a33c2f;--maint:#6a4b96;--radius-xs:6px;--radius-sm:10px;--radius-md:14px;--radius-lg:20px;--radius-pill:999px;--shadow-sm:0 1px 2px #1237590f,0 1px 1px #1237590a;--shadow-md:0 14px 30px -18px #1237594d,0 2px 6px #1237590d;--shadow-lg:0 30px 60px -30px #12375957;--font:Inter,"Segoe UI Variable Text","Segoe UI","Noto Sans SC","Microsoft YaHei UI","Microsoft YaHei","Yu Gothic",system-ui,sans-serif;--mono:"JetBrains Mono","Cascadia Code",Consolas,"SFMono-Regular",monospace;--sp-1:6px;--sp-2:10px;--sp-3:14px;--sp-4:20px;--sp-5:28px;--sp-6:40px;--sp-7:56px;--sp-8:72px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;margin:0;font-size:15px;line-height:1.7}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,select{cursor:pointer}button{color:inherit}img,svg{max-width:100%}button,a,input,select,textarea,summary{outline-offset:4px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent)}[hidden]{display:none!important}.warning{color:#9b4a16}.skip{background:var(--ink);color:#fff;z-index:100;padding:12px;position:fixed;top:-80px;left:12px}.skip:focus{top:12px}.header{border-bottom:1px solid var(--line);z-index:20;background:#fafcfe;align-items:center;gap:36px;height:91px;padding:0 3.3%;display:flex;position:relative}.brand{white-space:nowrap;letter-spacing:-.6px;align-items:center;gap:11px;font-size:22px;line-height:1.2;display:flex}.brand b{color:var(--accent);font-weight:400}.brand small{color:var(--muted);letter-spacing:.5px;margin-top:7px;font-size:10px;display:block}.brand-icon{background:var(--ink);width:40px;height:40px;color:var(--highlight);border-radius:11px;place-items:center;font-size:29px;display:grid}.top-nav{gap:28px;margin:auto;font-size:13px;font-weight:600;display:flex}.top-nav a:hover{color:var(--accent)}.header-actions{align-items:center;gap:18px;display:flex}.header-actions select{background:0 0;border:0;max-width:110px;font-size:12px}.search-icon{font-size:25px}.menu-button{background:0 0;border:0;min-width:44px;min-height:44px;font-size:23px;display:none}.app-shell{grid-template-columns:218px minmax(0,1fr);display:grid}.sidebar{border-right:1px solid var(--line);background:#f7f9fa;flex-direction:column;padding:35px 18px;display:flex}.side-home,.side-link{border-radius:6px;align-items:center;gap:13px;padding:11px 14px;font-size:12px;display:flex}.side-home{font-size:14px;font-weight:600}.side-link:hover,.side-home:hover{background:#e9edf1}.side-link.active,.side-home.active{color:#123d69;background:#e2e9f0}.nav-number{font:10px var(--mono);color:#5b6977}.tiny-dot{background:var(--accent);border-radius:50%;width:5px;height:5px;margin-left:auto}.sidebar-bottom{border-top:1px solid var(--line);max-width:100%;margin-top:55px;padding:22px 12px 0}.sidebar-bottom label{margin-bottom:9px;font-size:11px;display:block}.sidebar-bottom select{background:#fff;border:1px solid #cbd2d8;border-radius:4px;width:100%;padding:8px;font-size:12px}.sidebar-bottom p{margin-top:22px;font-size:10px}main{width:100%;min-width:0;max-width:1740px;margin:auto;padding:46px clamp(24px,4vw,72px) 60px}.hero{grid-template-columns:1.15fr 1fr;align-items:center;gap:36px;margin:8px 0 52px;display:grid}.eyebrow{font:10px var(--mono);letter-spacing:1.6px;color:#41586e;text-transform:uppercase;align-items:center;gap:8px;margin:0 0 18px;display:flex}.status-dot{background:#24527f;border-radius:50%;flex-shrink:0;width:6px;height:6px;display:inline-block}h1,h2,h3,p{overflow-wrap:anywhere}.hero h1 span{display:block}.ink-accent{color:var(--accent)}.hero-intro{color:#5c6874;max-width:430px;margin-bottom:27px;font-size:14px;line-height:1.9}.hero-buttons{flex-wrap:wrap;gap:12px;display:flex}.button{border:1px solid var(--ink);white-space:normal;text-align:center;border-radius:5px;justify-content:center;align-items:center;gap:22px;min-height:44px;padding:11px 17px;font-size:12px;font-weight:600;transition:background .15s,color .15s;display:inline-flex}.primary{color:#fff;background:var(--ink)}.primary:hover{background:#143f6a}.secondary{color:var(--ink);background:0 0;border-color:#c1cad2}.secondary:hover{background:#e7ecf1}.hero-stat{gap:25px;margin-top:35px;display:flex}.hero-stat>span{color:#4f5c69;border-left:1px solid var(--line);letter-spacing:.4px;flex-direction:column;padding-left:18px;font-size:9px;display:flex}.hero-stat>span:first-child{border:0;padding-left:0}.hero-stat b{font:22px var(--mono);color:var(--ink);margin-bottom:5px}.radar-visual{background:#e7ecf0;border:1px solid #ccd3db;border-radius:8px;overflow:hidden;transform:rotate(-2deg);box-shadow:8px 12px #e9eef2}.radar-top,.radar-bottom{font:9px var(--mono);letter-spacing:1px;border-bottom:1px solid #cbd3da;justify-content:space-between;padding:16px 20px;display:flex}.radar-bottom{border-top:1px solid #cbd3da;border-bottom:0}.radar-visual svg{width:100%;display:block}.section-heading{justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:23px;display:flex}.section-heading .eyebrow{margin-bottom:9px}.section-heading h2{margin:0}.text-link{color:#1d4267;border-bottom:1px solid #9cacbc;padding-bottom:3px;font-size:12px;font-weight:550}.task-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.task-card{border:1px solid var(--line);background:#f8fafc;border-radius:6px;align-items:center;gap:12px;padding:17px 18px;transition:border-color .15s,transform .15s;display:flex}.task-card:hover{border-color:#4b7094;transform:translateY(-2px)}.task-card>span:first-child{font:22px var(--mono);color:#45617c}.task-arrow{color:#57697b;margin-left:auto;font-size:14px}.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.resource-card{border:1px solid var(--line);background:#fafcfe;border-radius:7px;flex-direction:column;min-width:0;padding:23px 22px 17px;transition:border-color .2s,box-shadow .2s;display:flex;position:relative}.resource-card:hover{border-color:#8195a9;box-shadow:0 6px 18px #162e4609}.card-top{justify-content:space-between;align-items:center;margin-bottom:23px;display:flex}.tool-icon{width:39px;height:39px;font:18px var(--mono);color:#1b3e61;background:#dce4ec;border-radius:10px;place-items:center;display:grid}.card-arrow{color:#7c8996;font-size:19px}.tag-row{flex-wrap:wrap;gap:7px;margin-bottom:11px;display:flex}.tag{font:9px var(--mono);color:#485562;overflow-wrap:anywhere;background:#ebeff2;border-radius:3px;max-width:100%;padding:3px 7px}.resource-card h3{margin:0 0 12px;font-size:16px;font-weight:600}.resource-card h3 a:after{content:"";position:absolute;inset:0}.card-meta{font:9px var(--mono);color:#485766;border-top:1px solid #e5e9ec;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:5px;margin-top:auto;padding-top:13px;display:flex}.card-meta>span{align-items:center;gap:5px;display:flex}.split-section{grid-template-columns:1.4fr 1fr;gap:36px;display:grid}.radar-list>a{border-bottom:1px solid var(--line);align-items:flex-start;gap:16px;padding:21px 0;display:flex}.list-number{font:11px var(--mono);color:#52606e;margin-top:6px}.radar-list h3{margin:7px 0;font-size:14px}.radar-list p{color:#4b5967;margin:0;font-size:11px;line-height:1.8}.radar-list>a>span:last-child{margin-left:auto}.principle-panel{background:var(--ink);color:#f3f6fa;border-radius:7px;align-self:stretch;min-width:0;padding:31px}.principle-line{border-bottom:1px solid #ffffff24;gap:15px;padding:13px 0;font-size:11px;display:flex}.principle-panel>a{color:#bcd0e4;margin-top:25px;font-size:11px;display:block}.support-card{background:#e2e9ef;border:1px solid #cbd5df;border-radius:7px;align-items:center;gap:21px;margin-top:48px;padding:25px 29px;display:flex}.support-symbol{font:34px var(--mono);color:#425b74}.support-card h3{margin:0 0 6px;font-size:16px}.support-card p{color:#485663;margin:0;font-size:11px}.support-links{flex-shrink:0;gap:8px;margin-left:auto;display:flex}footer{border-top:1px solid var(--line);background:#f4f7fa;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:20px;padding:35px 5%;display:flex}.footer-brand b{letter-spacing:-.5px;font-size:17px}.footer-brand p{color:#525e69;margin:6px 0;font-size:11px}.footer-links{flex-wrap:wrap;gap:24px;min-width:0;max-width:100%;font-size:11px;display:flex}.footer-links a{overflow-wrap:anywhere}footer>small{color:#525e69;width:100%;font-size:9px}.page-heading h1{letter-spacing:-1.2px;font-size:43px}.page-heading>p:last-child{color:#5e6b77;font-size:14px;line-height:1.9}.filter-panel{margin-bottom:25px}.search-field{background:#fff;border:1px solid #bdc6cf;border-radius:6px;align-items:center;gap:15px;padding:10px 16px;display:flex}.search-field input{background:0 0;border:0;outline:none;width:100%;min-width:0;font-size:13px}.search-field kbd{border:1px solid var(--line);color:#727f8b;padding:1px 7px}.filter-details{margin-top:18px}.filter-details summary{color:#4f6377;cursor:pointer;font-size:11px}.filter-controls{flex-wrap:wrap;align-items:flex-end;gap:20px;margin-top:13px;display:flex}.filter-controls label,.filter-form label{color:#43576a;flex-direction:column;gap:7px;font-size:11px;display:flex}.filter-controls select,.filter-form select{width:100%;min-width:0;color:var(--ink);background:#fff;border:1px solid #c6ced6;border-radius:5px;padding:10px 12px;font-size:12px}.text-button{color:#254a6e;cursor:pointer;background:0 0;border:0;min-height:44px;padding:10px 5px;font-size:12px;text-decoration:underline}.welcome-panel{background:#e4e9ee;border:1px solid #c9d2da;border-radius:7px;align-items:center;gap:25px;padding:26px;display:flex}.welcome-panel p{color:#3b4f62;font-size:12px}.welcome-actions{flex-wrap:wrap;gap:7px;display:flex}.tool-panel{border:1px solid var(--line);background:#fafcfe;border-radius:7px;padding:27px}.panel-top{font:10px var(--mono);justify-content:space-between;gap:10px;margin-bottom:25px;display:flex}.badge{color:#284868;letter-spacing:.2px;background:#dfe8f0;border-radius:4px;padding:5px 10px;font-size:10px;display:inline-block}.tool-panel>label{font:12px var(--mono);margin-bottom:12px;display:block}textarea{resize:vertical;width:100%;min-height:240px;font:12px/1.8 var(--mono);color:var(--ink);background:#f2f4f7;border:1px solid #c4cdd5;border-radius:5px;padding:16px}input[type=file]{max-width:100%;margin:15px 0;font-size:11px}.tool-actions{flex-wrap:wrap;gap:12px;margin:12px 0;display:flex}.notice{overflow-wrap:anywhere;background:#e9eef3;border-left:3px solid #708aa3;margin:22px 0;padding:17px 20px;font-size:12px}.notice p{margin:7px 0}.finding{border-bottom:1px solid var(--line);padding:20px 0}.finding code{white-space:pre-wrap;word-break:break-all;font:11px var(--mono);background:#edf0f2;padding:12px;display:block}.filter-form{grid-template-columns:repeat(3,minmax(0,1fr));align-items:end;gap:20px;display:grid}.recommend-card{border:1px solid var(--line);background:#fff;border-radius:6px;margin-top:18px;padding:20px}.recommend-card .text-link{font-size:17px}.compat-card{border:1px solid var(--line);background:#f8fbfd;border-radius:6px;min-width:0;margin-bottom:16px;padding:26px}.compat-heading{justify-content:space-between;align-items:flex-start;gap:15px;display:flex}.compat-heading h2{max-width:80%;font-size:19px}.compat-heading h2 span{color:#798490;padding:0 8px}.compat-card p{font-size:13px}.compat-card details summary{color:#2c5277;cursor:pointer;font-size:12px}.compat-card ol,.compat-card ul{font-size:12px}.source-links{color:#254a6e;overflow-wrap:anywhere;flex-direction:column;gap:7px;font-size:12px;display:flex}.breadcrumb{color:#637282;flex-wrap:wrap;gap:12px;margin-bottom:35px;font-size:11px;display:flex}.detail-layout{grid-template-columns:minmax(0,1fr) 230px;gap:45px;display:grid}.prose h1{letter-spacing:-1px;font-size:39px;line-height:1.35}.prose h2{margin-bottom:18px;font-size:22px}.prose section{margin-bottom:34px}.detail-lead{color:#495c6e!important;font-size:17px!important}.detail-meta{color:#62717f;border-block:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:15px;margin:25px 0;padding:12px 0;font-size:11px;display:flex}.detail-meta button{margin-left:auto}.prose ul,.prose ol{padding-left:21px}.prose a{color:#184674;text-underline-offset:3px;text-decoration:underline}.prose pre{color:#d6e2ee;font:12px/1.8 var(--mono);background:#0f2943;border-radius:6px;max-width:100%;padding:20px;overflow:auto}.steps-list{list-style:none;padding:0!important}.steps-list li{border-bottom:1px solid var(--line);gap:18px;padding:17px 0;display:flex}.steps-list li>span{font:11px var(--mono);color:#2f5c88;margin-top:7px}.source-list a{overflow-wrap:anywhere}.source-list .small{font-size:10px}.side-facts{border:1px solid var(--line);background:#f3f6fa;border-radius:6px;padding:25px;position:sticky;top:25px}.side-facts dt{color:#5a6b7c;margin-top:20px;font-size:10px}.side-facts dd{margin:5px 0;font-size:12px}.side-facts .button{width:100%;margin:20px 0}.side-facts .text-link{display:block}.legal-prose{padding-bottom:35px}#toast{background:var(--ink);color:#fff;opacity:0;pointer-events:none;z-index:100;border-radius:6px;max-width:90vw;padding:12px 22px;font-size:12px;position:fixed;bottom:25px;left:50%;transform:translate(-50%)}#toast.show{opacity:1}@media (width>=1600px){.app-shell{grid-template-columns:245px minmax(0,1fr)}.hero{gap:65px}.hero-intro{font-size:16px}.resource-card h3{font-size:19px}.resource-card p{font-size:14px}.sidebar{padding-inline:25px}.side-link{font-size:14px}}@media (width<=1200px){.app-shell{grid-template-columns:190px minmax(0,1fr)}.sidebar{padding-inline:10px}.header,.top-nav{gap:20px}.hero{gap:24px}.hero h1{font-size:41px}.card-grid{gap:12px}.resource-card{padding:19px 16px}.split-section{gap:24px}.support-card{flex-wrap:wrap;gap:15px;padding:22px}.detail-layout{grid-template-columns:minmax(0,1fr) 200px;gap:25px}.filter-form{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=1023px){.header{height:78px;padding-inline:25px}.top-nav{display:none}.header-actions{margin-left:auto}.app-shell{grid-template-columns:165px minmax(0,1fr)}.sidebar{padding-inline:7px}.side-link{gap:8px;padding-inline:10px;font-size:11px}.nav-number{font-size:9px}.hero{grid-template-columns:1fr}.hero-copy{max-width:650px}.hero h1{font-size:51px}.radar-visual{display:none}.hero-intro{max-width:600px}.card-grid,.task-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.split-section{grid-template-columns:1fr}.principle-panel{padding:28px}.principle-panel h2{font-size:25px}.detail-layout{grid-template-columns:1fr}.detail-aside{order:-1}.side-facts{padding:20px;position:static}.side-facts dl{grid-template-columns:1fr 1fr;gap:3px 20px;display:grid}.side-facts dt{margin-top:6px}.side-facts dd{margin:6px 0}.side-facts .eyebrow{margin-bottom:10px}.side-facts .button{width:auto;margin-top:8px}.welcome-panel{display:block}.welcome-actions{margin-top:18px}}@media (width<=767px){.header{gap:15px;height:72px;padding:0 19px}.brand{gap:9px;font-size:19px}.brand small{letter-spacing:.2px;font-size:8px}.brand-icon{width:34px;height:34px;font-size:25px}.header-actions{gap:10px}.header-actions select{max-width:94px;font-size:11px}.search-icon{display:none}.menu-button,.app-shell{display:block}.sidebar{border-bottom:1px solid var(--line);z-index:19;max-height:calc(100dvh - 72px);padding:20px;display:none;position:absolute;top:72px;left:0;right:0;overflow:auto;box-shadow:0 15px 20px #08254215}.sidebar.open{display:flex}.sidebar nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;display:grid}.side-link{padding:12px;font-size:12px}.nav-label{margin:14px 12px}.sidebar-bottom{margin-top:20px;padding-top:15px}.sidebar-bottom p{margin-top:12px}.sidebar-bottom select{max-width:220px}main{padding:29px 21px 40px}.hero{gap:0;margin:5px 0 34px}.hero h1{letter-spacing:-1.7px;margin-bottom:18px;font-size:43px}.eyebrow{letter-spacing:1.2px;margin-bottom:17px;font-size:8px}.hero-intro{margin-bottom:22px;font-size:13px;line-height:1.85}.hero-buttons{gap:8px}.button{gap:14px;min-height:44px;padding:10px 14px;font-size:11px}.hero-stat{gap:23px;margin-top:26px}.hero-stat>span{padding-left:15px;font-size:8px}.hero-stat b{font-size:20px}section{margin-bottom:35px}.section-heading{gap:12px;margin-bottom:17px}.section-heading h2{font-size:21px}.section-heading .eyebrow{font-size:8px}.text-link{flex-shrink:0;font-size:10px}.task-grid{gap:8px}.task-card{gap:9px;padding:14px 12px}.task-card b{font-size:11px}.task-card>span:first-child{font-size:18px}.task-arrow{font-size:12px}.card-grid{grid-template-columns:1fr;gap:12px}.resource-card{padding:20px}.card-top{margin-bottom:15px}.resource-card h3{margin-bottom:10px;font-size:18px}.resource-card p{margin-bottom:19px;font-size:13px}.card-meta{font-size:10px}.tag{font-size:9px}.support-card{gap:13px;margin-top:33px;padding:20px}.support-card h3{font-size:15px}.support-links{width:100%;margin-left:0}.support-links a{flex:1}.support-symbol{font-size:30px}.support-card>div:first-of-type{flex:1}.split-section{gap:28px}.principle-panel{padding:25px}.principle-panel h2{margin-top:15px;font-size:26px}.radar-list h3{font-size:15px}.radar-list p{font-size:12px}.radar-list .small{font-size:10px}footer{gap:18px;padding:28px 21px}.footer-links{gap:18px;font-size:10px}.footer-brand p{font-size:10px}.page-heading{margin-bottom:25px}.page-heading h1{letter-spacing:-1px;font-size:34px}.page-heading>p:last-child{font-size:13px}.filter-controls{align-items:stretch;gap:13px}.filter-controls label{flex:1;min-width:110px}.filter-controls button{text-align:left;width:100%}.filter-details:not([open]) .filter-controls{display:none}.tool-panel{padding:19px}.filter-form{gap:17px 12px}.filter-form label{font-size:10px}.filter-form select{padding:10px 7px;font-size:11px}.filter-form>.button{grid-column:1/-1}.panel-top{align-items:center;font-size:8px}.badge{padding:5px 7px;font-size:9px}.compat-card{padding:19px}.compat-heading{flex-wrap:wrap;gap:6px}.compat-heading h2{max-width:100%;margin-bottom:5px;font-size:17px}.compat-card p{font-size:12px}.prose h1{font-size:31px}.detail-lead{font-size:15px!important}.detail-layout{gap:25px}.side-facts{padding:17px}.side-facts dt,.side-facts dd{font-size:10px}.prose p,.prose li{font-size:13px}.prose h2{font-size:21px}.source-list{padding-left:16px!important}.breadcrumb{gap:8px;margin-bottom:24px;font-size:10px}.welcome-panel{padding:19px}.welcome-panel h2{font-size:17px}.welcome-actions .button{flex:1}.notice{padding:14px 16px;font-size:11px}}@media (width<=359px){.header{padding-inline:12px}.brand{font-size:17px}.brand small{max-width:118px;font-size:7px}.brand-icon{width:29px;height:29px;font-size:22px}.header-actions{gap:1px}.header-actions select{max-width:82px;font-size:10px}.menu-button{min-width:34px}.hero h1{font-size:37px}main{padding-inline:16px}.hero-stat{gap:15px}.task-card{gap:7px;padding:13px 10px}.task-card b{font-size:10px}.task-arrow{display:none}.filter-form{grid-template-columns:1fr}.support-card h3{font-size:14px}.section-heading h2{font-size:19px}.section-heading .text-link{font-size:9px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}html[data-welcomed="1"] #welcome,html[data-experience=advanced] [data-level-only=beginner],html[data-experience=intermediate] [data-level-only=beginner]{display:none}.comparison-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.comparison-grid dl{font-size:12px}.comparison-grid dt{margin-top:15px;font-weight:600}.comparison-grid dd{color:#485562;margin:4px 0;font-size:12px}.comparison-grid li{font-size:12px}.ad-card{border:1px solid var(--line);padding:15px}.ad-card img{width:auto;max-height:180px}@media (width<=767px){.comparison-grid{grid-template-columns:1fr}}.resource-toc{border:1px solid var(--line);background:#f3f6fa;border-radius:6px;margin:24px 0;padding:18px 22px}.resource-toc>b{font-size:12px}.resource-toc ul{flex-wrap:wrap;gap:6px 20px;margin:10px 0 0;padding:0;list-style:none;display:flex}.resource-toc li{margin:0;font-size:12px}.resource-toc a{padding-block:5px;display:inline-block}.resource-section,.source-list li{scroll-margin-top:24px}.resource-field h3,.prose section>h3{margin:22px 0 8px;font-size:15px}.resource-field p{margin-top:6px}.steps-list li>div{flex:1;min-width:0}.steps-list .step-title{color:var(--ink);margin:0;font-weight:600}.stage-practice{background:#edf1f5;border-radius:4px;padding:10px 14px}.stage-sources{flex-wrap:wrap;gap:5px 14px;font-size:11px;display:flex}.stage-sources a{overflow-wrap:anywhere}.provider-facts dl,.model-record dl{grid-template-columns:minmax(85px,1fr) minmax(0,3fr);gap:12px 20px;font-size:13px;display:grid}.provider-facts dt,.model-record dt{font-weight:600}.provider-facts dd,.model-record dd{overflow-wrap:anywhere;margin:0}.provider-facts,.model-record,.price-record{overflow-wrap:anywhere}.model-record,.price-record{border-top:1px solid var(--line);padding:12px 0 18px}.code-example{min-width:0}.code-example pre{margin-top:0}.copy-example{margin-left:auto;display:block}.copy-status{min-height:1.7em}.comparison-grid .provider-facts dl{display:block}.comparison-grid .provider-facts dd{margin-top:4px}@media (width<=767px){.resource-toc{padding:15px}.resource-toc ul{gap:3px 16px}.provider-facts dl,.model-record dl{grid-template-columns:1fr;gap:4px}.provider-facts dd,.model-record dd{margin-bottom:14px}.detail-aside{order:initial}.side-facts dl{grid-template-columns:minmax(70px,1fr) minmax(0,2fr)}}.breadcrumb,.detail-meta{color:#4d5d6c}.steps-list li>span{color:#254a6e}.side-facts dt{color:#495c6e}.prose a.button{text-decoration:none}.prose a.button.primary{color:#fff}.prose a.button.secondary{color:var(--ink)}.compat-heading a:hover{text-decoration:underline}.stack-guides{border-top:1px solid var(--line);margin-top:20px;padding-top:12px}.stack-guides h3{margin:0;font-size:14px}.stack-guides ul{padding-left:20px}.stack-guides .text-link{white-space:normal;overflow-wrap:anywhere}.compat-card pre{color:#d6e2ee;max-width:100%;font:12px/1.8 var(--mono);background:#0f2943;border-radius:6px;padding:16px;overflow:auto}.compat-card .copy-example{margin-top:10px}.recommend-sources a,.recommend-alternatives a{white-space:normal;overflow-wrap:anywhere}.recommend-risks,.recommend-sources,.recommend-alternatives{border-top:1px solid var(--line);margin-top:14px;padding-top:4px}body{-webkit-text-size-adjust:100%;font-size:16px;line-height:1.72}::selection{background:var(--accent-soft);color:var(--ink)}a{text-underline-offset:4px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--ring);outline-offset:3px;border-radius:var(--radius-xs)}.small{font-size:13px}.muted{color:var(--muted)}.header{background:var(--surface);border-bottom:1px solid var(--line-soft);gap:32px;height:84px;padding:0 clamp(18px,3.4%,52px)}.brand{letter-spacing:-.02em;font-size:21px}.brand b{font-weight:650}.brand small{letter-spacing:.06em;color:var(--muted);margin-top:6px;font-size:11px}.brand-icon{background:linear-gradient(150deg,var(--ink) 10%,var(--accent) 95%);color:#eaf4ff;width:42px;height:42px;box-shadow:var(--shadow-sm);border-radius:13px;font-size:26px}.top-nav{gap:26px;font-size:13.5px;font-weight:600}.top-nav a{border-bottom:2px solid #0000;padding:6px 2px;transition:color .16s,border-color .16s}.top-nav a:hover{color:var(--accent);border-bottom-color:var(--accent)}.header-actions select{color:var(--ink-2);border-radius:var(--radius-xs);padding:6px 4px;font-size:13px}.header-actions select:hover{color:var(--accent)}.search-icon{color:var(--ink-2);border-radius:var(--radius-pill);place-items:center;width:38px;height:38px;font-size:23px;transition:background .16s;display:grid}.search-icon:hover{background:var(--accent-tint);color:var(--accent)}.app-shell{grid-template-columns:244px minmax(0,1fr)}.sidebar{background:linear-gradient(180deg,var(--surface-2),var(--paper) 60%);border-right:1px solid var(--line-soft);gap:2px;padding:30px 14px}.side-home,.side-link{border-radius:var(--radius-sm);gap:11px;padding:10px 13px;font-size:13px;transition:background .16s,color .16s}.side-home{margin-bottom:4px;font-size:14.5px;font-weight:650}.side-link:hover,.side-home:hover{background:var(--surface);color:var(--accent-strong)}.side-link.active,.side-home.active{background:var(--accent-tint);color:var(--accent-deep);box-shadow:inset 3px 0 0 var(--accent)}.nav-label{font:600 10px var(--mono);letter-spacing:.16em;color:var(--muted);margin:30px 13px 9px}.nav-number{font:500 11px var(--mono);color:var(--muted);width:16px}.side-link.active .nav-number{color:var(--accent)}.sidebar-bottom{border-top:1px solid var(--line-soft);margin-top:auto;padding:20px 10px 0}.sidebar-bottom label{color:var(--ink-3);font-size:12px}.sidebar-bottom select{border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);padding:9px 10px;font-size:13px}.sidebar-bottom p{color:var(--muted);font-size:11px;line-height:1.65}main{max-width:1680px;padding:52px clamp(22px,3.6vw,64px) 72px}section{margin:0 0 64px}h1,h2,h3{letter-spacing:-.025em;line-height:1.22}h1{letter-spacing:-.035em;margin:0 0 24px;font-size:clamp(36px,3.6vw,60px);font-weight:700}h2{margin:0 0 16px;font-size:26px;font-weight:650}h3{font-size:18px;font-weight:650;line-height:1.38}:lang(zh) h1,:lang(zh) h2,:lang(zh) h3,:lang(ja) h1,:lang(ja) h2,:lang(ja) h3{letter-spacing:0;line-height:1.3}.eyebrow{font:600 11px var(--mono);letter-spacing:.14em;color:var(--accent-strong);gap:8px;margin:0 0 14px}.status-dot{background:var(--accent);width:7px;height:7px;box-shadow:0 0 0 4px var(--accent-soft)}.section-heading{gap:24px;margin-bottom:26px}.section-heading h2{margin:0;font-size:27px}.text-link{color:var(--accent-strong);border-bottom:1px solid var(--ring);padding-bottom:3px;font-size:13px;font-weight:600;transition:color .16s,border-color .16s}.text-link:hover{color:var(--accent-deep);border-bottom-color:var(--accent)}.button{border-radius:var(--radius-sm);border:1px solid var(--ink);letter-spacing:.01em;gap:16px;min-height:46px;padding:12px 20px;font-size:13px;font-weight:600;transition:background .16s,color .16s,border-color .16s,transform .16s,box-shadow .16s}.primary{background:linear-gradient(180deg,var(--ink) 0%,var(--accent-deep) 100%);background-color:var(--ink);color:#fff;box-shadow:var(--shadow-sm)}.primary:hover{background:linear-gradient(180deg,var(--accent) 0%,var(--accent-strong) 100%);background-color:var(--accent);box-shadow:var(--shadow-md);transform:translateY(-1px)}.secondary{background:var(--surface);border-color:var(--line-strong);color:var(--ink);box-shadow:var(--shadow-sm)}.secondary:hover{background:var(--accent-tint);border-color:var(--ring);color:var(--accent-deep)}.text-button{color:var(--accent-strong);text-decoration-color:var(--ring);font-size:13px;transition:color .16s}.text-button:hover{color:var(--accent-deep)}.hero{gap:52px;margin:4px 0 56px}.hero-intro{max-width:46ch;color:var(--ink-3);margin-bottom:28px;font-size:16px;line-height:1.85}.hero-stat>span{color:var(--muted);border-left:1px solid var(--line);letter-spacing:.02em;padding-left:20px;font-size:11.5px}.hero-stat b{font:600 24px var(--mono);color:var(--ink);letter-spacing:-.02em;margin-bottom:4px}.card-grid{gap:20px}.resource-card{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:26px 24px 20px;transition:border-color .18s,box-shadow .18s,transform .18s}.resource-card:hover{border-color:var(--ring);box-shadow:var(--shadow-md);transform:translateY(-3px)}.card-top{margin-bottom:20px}.tool-icon{border-radius:var(--radius-sm);width:42px;height:42px;font:600 18px var(--mono);background:var(--accent-tint);color:var(--accent-strong);box-shadow:inset 0 0 0 1px var(--line-soft)}.card-arrow{color:var(--faint);font-size:18px;transition:color .18s,transform .18s}.resource-card:hover .card-arrow{color:var(--accent);transform:translate(2px,-2px)}.tag-row{gap:8px;margin-bottom:12px}.tag{font:500 11px var(--mono);color:var(--accent-deep);background:var(--accent-tint);border-radius:var(--radius-pill);letter-spacing:.01em;padding:4px 9px}.tag.warning{color:var(--warn);background:#fdf1e3}.resource-card h3{margin:0 0 10px;font-size:17.5px;font-weight:650;line-height:1.4}.resource-card p{color:var(--ink-3);margin:0 0 22px;font-size:13.5px;line-height:1.8}.card-meta{font:500 11.5px var(--mono);color:var(--muted);border-top:1px solid var(--line-soft);gap:8px;padding-top:13px}.badge{font:500 11px var(--mono);background:var(--accent-tint);color:var(--accent-deep);border-radius:var(--radius-pill);letter-spacing:.02em;padding:5px 11px}.task-card{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:18px;transition:border-color .18s,transform .18s,box-shadow .18s}.task-card:hover{border-color:var(--ring);box-shadow:var(--shadow-md);transform:translateY(-2px)}.task-card>span:first-child{font:600 20px var(--mono);color:var(--accent);background:var(--accent-tint);border-radius:var(--radius-sm);place-items:center;width:34px;height:34px;display:grid}.task-arrow{color:var(--faint);font-size:13px}.radar-list>a{border-bottom:1px solid var(--line-soft);padding:22px 0}.radar-list p{color:var(--ink-3);font-size:13px;line-height:1.75}.list-number{font:600 12px var(--mono);color:var(--accent)}.principle-panel{background:linear-gradient(158deg,var(--ink) 0%,var(--accent-deep) 70%,var(--accent-strong) 130%);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:34px}.principle-panel .eyebrow{color:#a9c6e2;font-size:10.5px}.principle-panel h2{color:#f6faff;margin:22px 0 16px;font-size:28px;line-height:1.4}.principle-line{border-bottom:1px solid #ffffff24;gap:14px;padding:14px 0;font-size:12.5px}.principle-line span{font:600 11px var(--mono);color:#a9c6e2}.principle-panel>a{color:#cfe2f4;margin-top:24px;font-size:12.5px}.principle-panel>a:hover{color:#fff}.notice{background:var(--accent-tint);border:1px solid var(--line-soft);border-radius:var(--radius-md);box-shadow:inset 3px 0 0 var(--accent);border-left:0;padding:20px 24px;font-size:13.5px;line-height:1.8}.notice p{max-width:72ch;margin:8px 0;font-size:13.5px;line-height:1.8}.tool-panel{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:30px}.panel-top{font:500 11px var(--mono);color:var(--muted);margin-bottom:22px}.welcome-panel{background:linear-gradient(150deg,var(--surface) 0%,var(--accent-tint) 100%);border:1px solid var(--line-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:28px}.welcome-panel h2{font-size:19px}.welcome-panel p{color:var(--ink-3);font-size:13.5px;line-height:1.8}.support-card{border:1px solid var(--line-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);background:#e8f1fb;margin-top:52px;padding:26px 30px}.support-card h3{font-size:17px}.support-card p{color:var(--ink-3);font-size:13px;line-height:1.75}.search-field{border:1px solid var(--line-strong);border-radius:var(--radius-md);background:var(--surface);box-shadow:var(--shadow-sm);padding:12px 18px;transition:border-color .16s,box-shadow .16s}.search-field:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}.search-field span{color:var(--muted);font-size:22px}.search-field input{font-size:14.5px}.search-field kbd{font:500 11px var(--mono);border:1px solid var(--line-strong);border-radius:var(--radius-xs);color:var(--muted);background:var(--surface-2);border-bottom-width:2px;padding:2px 7px}.filter-details summary{color:var(--ink-2);font-size:12.5px;font-weight:600}.filter-controls label,.filter-form label{color:var(--ink-3);gap:8px;font-size:12.5px}.filter-controls select,.filter-form select,.filter-form input{border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);padding:11px 13px;font-size:13.5px;transition:border-color .16s,box-shadow .16s}.filter-controls select:focus,.filter-form select:focus,.filter-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}textarea{border:1px solid var(--line-strong);border-radius:var(--radius-md);background:var(--surface-2);font:13px/1.8 var(--mono);padding:16px}input[type=file]{font-size:12.5px}.filter-form{gap:22px}.comparison-grid{gap:20px}.comparison-grid dt{color:var(--ink-3);margin-top:16px;font-size:12.5px}.comparison-grid dd,.comparison-grid li{font-size:13px;line-height:1.75}.comparison-grid h3{font-size:17px}.compat-card{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin-bottom:18px;padding:28px}.compat-heading h2{font-size:19px}.compat-card p{font-size:13.5px;line-height:1.8}.compat-card details summary{color:var(--accent-strong);font-size:13px;font-weight:600}.compat-card ol,.compat-card ul{font-size:13px;line-height:1.8}.recommend-card{border:1px solid var(--line-soft);border-radius:var(--radius-md);background:var(--surface);box-shadow:var(--shadow-sm);padding:24px}.recommend-card p{font-size:13.5px}.recommend-card h3{margin:18px 0 6px;font-size:14px}.source-links{gap:8px;font-size:13px}.breadcrumb{color:var(--muted);gap:10px;margin-bottom:30px;font-size:12px}.prose{min-width:0;max-width:700px}.detail-aside,.detail-layout{min-width:0}.prose h1{letter-spacing:-.02em;margin:12px 0 22px;font-size:clamp(30px,3vw,40px);line-height:1.28}.prose h2{letter-spacing:-.015em;margin:40px 0 16px;font-size:24px}.prose h3{margin:26px 0 10px;font-size:17px}.prose p,.prose li{color:var(--ink-2);font-size:15.5px;line-height:1.95}.prose li{margin-bottom:11px}.prose a{color:var(--accent-strong);text-decoration-color:var(--ring);transition:color .16s}.prose a:hover{color:var(--accent-deep)}.prose pre{color:#dbe8f5;border-radius:var(--radius-md);font:13px/1.85 var(--mono);box-shadow:var(--shadow-sm);background:linear-gradient(#0e2742,#123354);padding:22px}.detail-lead{max-width:64ch;color:var(--ink-2)!important;font-size:18px!important;line-height:1.75!important}.prose li,.prose dd,.prose dt,.prose p,.prose a,.prose code,.prose time,.side-facts dd,.side-facts dt{overflow-wrap:anywhere;word-break:break-word;min-width:0}.detail-meta{color:var(--muted);border-block:1px solid var(--line-soft);gap:16px;margin:26px 0;padding:14px 0;font-size:12.5px}.detail-meta time{font-family:var(--mono);font-size:12px}.resource-toc{border:1px solid var(--line-soft);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);background:#f4f9ff;margin:26px 0;padding:20px 24px}.resource-toc>b{color:var(--ink-3);letter-spacing:.02em;font-size:12.5px}.resource-toc a{color:var(--accent-strong);padding-block:6px}.resource-toc a:hover{color:var(--accent-deep)}.steps-list li{border-bottom:1px solid var(--line-soft);gap:20px;padding:20px 0}.steps-list li>span{font:600 11.5px var(--mono);color:var(--accent);background:var(--accent-tint);border-radius:var(--radius-pill);place-items:center;width:30px;height:30px;margin-top:2px;display:grid}.steps-list li>div .step-title{font-size:15.5px;line-height:1.7}.stage-practice{background:var(--surface-3);border-radius:var(--radius-sm);margin:10px 0;padding:12px 16px;font-size:13.5px!important;line-height:1.85!important}.stage-sources{color:var(--muted);margin-top:8px;font-size:12px}.resource-field h3,.prose section>h3{color:var(--ink);margin:24px 0 8px;font-size:16px}.side-facts{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:26px}.side-facts dt{font:600 11px var(--mono);letter-spacing:.06em;color:var(--muted);margin-top:20px}.side-facts .text-link{margin-top:12px;font-size:12.5px}.breadcrumb a:hover{color:var(--accent)}.breadcrumb span:last-child{color:var(--ink-2)}.page-heading{max-width:820px;margin:10px 0 44px}.page-heading h1{font-size:clamp(34px,3.4vw,46px)}.page-heading>p:last-child{color:var(--ink-3);max-width:70ch;font-size:15px;line-height:1.85}.legal-prose{max-width:720px}footer{background:var(--surface-2);border-top:1px solid var(--line-soft);gap:24px;padding:46px clamp(18px,5%,64px)}.footer-brand b{font-size:18px}.footer-brand p{color:var(--muted);max-width:44ch;font-size:12.5px;line-height:1.7}.footer-links{gap:22px;font-size:12.5px}footer>small{color:var(--muted);margin-top:8px;font-size:11.5px}.finding code{background:var(--surface-3);border-radius:var(--radius-sm);font-size:12.5px}.finding p{font-size:13.5px}.compat-card pre{border-radius:var(--radius-md);background:linear-gradient(#0e2742,#123354);font-size:12.5px}#toast{border-radius:var(--radius-pill);box-shadow:var(--shadow-lg);padding:13px 24px;font-size:13px}.mascot-portrait{box-shadow:var(--shadow-sm);border-radius:18px}@media (width>=1600px){.app-shell{grid-template-columns:260px minmax(0,1fr)}.hero{gap:72px}.hero-intro{font-size:16.5px}.resource-card h3{font-size:19px}.resource-card p{font-size:14px}.sidebar{padding-inline:18px}.side-link{font-size:13.5px}.prose{max-width:760px}}@media (width<=1200px){.app-shell{grid-template-columns:200px minmax(0,1fr)}.header{gap:20px}.hero{gap:30px}.hero h1{font-size:clamp(34px,4vw,44px)}.card-grid{gap:14px}.resource-card{padding:22px 18px 18px}.split-section{gap:28px}.support-card{gap:16px;padding:24px}.detail-layout{grid-template-columns:minmax(0,1fr) 216px;gap:28px}.filter-form{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=1023px){.header{height:76px;padding-inline:24px}.top-nav{display:none}.app-shell{grid-template-columns:176px minmax(0,1fr)}.sidebar{padding-inline:9px}.side-link{gap:8px;padding:10px;font-size:12.5px}.side-home{font-size:13.5px}.nav-number{font-size:10px}.hero{grid-template-columns:1fr}.hero h1{font-size:clamp(34px,5vw,48px)}.hero-intro{max-width:60ch}.card-grid,.task-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.split-section{grid-template-columns:1fr}.principle-panel{padding:30px}.principle-panel h2{font-size:25px}.detail-layout{grid-template-columns:minmax(0,1fr)}.detail-aside{order:-1}.side-facts{padding:22px;position:static}.side-facts dl{grid-template-columns:1fr 1fr;gap:3px 20px;display:grid}.side-facts .button{width:auto;margin-top:10px}.welcome-panel{display:block}.welcome-actions{margin-top:18px}main{padding:40px 28px 56px}}@media (width<=767px){.header{gap:10px;height:70px;padding:0 18px}.brand{gap:9px;min-width:0;font-size:19px}.brand>span:last-child{min-width:0}.brand small{letter-spacing:.02em;white-space:nowrap;text-overflow:ellipsis;max-width:136px;font-size:9.5px;overflow:hidden}.brand-icon{border-radius:11px;flex-shrink:0;width:36px;height:36px;font-size:23px}.header-actions{flex-shrink:0;gap:8px}.header-actions select{max-width:86px;font-size:12px}.app-shell{display:block}.sidebar{background:var(--surface);padding:18px;top:70px;box-shadow:0 24px 40px -24px #12375966}.sidebar nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.side-link{padding:12px;font-size:12.5px}main{padding:30px 20px 44px}.hero{gap:0;margin:2px 0 36px}.hero h1{letter-spacing:-.02em;margin-bottom:18px;font-size:clamp(32px,9vw,40px)}.eyebrow{letter-spacing:.1em;margin-bottom:14px;font-size:10px}.hero-intro{margin-bottom:22px;font-size:14.5px;line-height:1.8}.button{gap:12px;min-height:46px;padding:11px 15px;font-size:12.5px}.hero-stat{gap:20px;margin-top:26px}.hero-stat>span{padding-left:14px;font-size:10.5px}.hero-stat b{font-size:21px}section{margin-bottom:38px}.section-heading{gap:10px;margin-bottom:16px}.section-heading h2{font-size:22px}.section-heading .eyebrow{font-size:9.5px}.text-link{font-size:12px}.task-grid{gap:9px}.task-card{gap:10px;padding:15px 13px}.task-card b{font-size:12.5px}.task-card>span:first-child{width:28px;height:28px;font-size:17px}.card-grid{grid-template-columns:1fr;gap:13px}.resource-card{padding:21px 19px 17px}.card-top{margin-bottom:16px}.resource-card h3{margin-bottom:9px;font-size:18px}.resource-card p{margin-bottom:18px;font-size:13.5px;line-height:1.8}.card-meta{font-size:11px}.tag{padding:4px 8px;font-size:10.5px}.support-card{gap:14px;margin-top:34px;padding:22px}.support-card h3{font-size:16px}.support-card p{font-size:12.5px}.support-links{width:100%;margin-left:0}.support-links a{flex:1}.split-section{gap:26px}.principle-panel{padding:26px}.principle-panel h2{margin-top:14px;font-size:24px}.principle-panel>p:not(.eyebrow){font-size:13px}.radar-list h3{font-size:15px}.radar-list p{font-size:13px}.radar-list .small{font-size:11px}footer{gap:18px;padding:30px 20px}.footer-links{gap:16px;font-size:11.5px}.footer-brand p{font-size:12px}.page-heading{margin-bottom:30px}.page-heading h1{letter-spacing:-.01em;font-size:clamp(30px,8.4vw,36px)}.page-heading>p:last-child{font-size:14px}.filter-controls{align-items:stretch;gap:14px}.filter-controls label{flex:1;min-width:110px;font-size:12px}.filter-controls select,.filter-form select,.filter-form input{padding:10px;font-size:13px}.tool-panel{padding:22px}.filter-form{gap:18px 12px}.filter-form label{font-size:12px}.filter-form>.button{grid-column:1/-1}.badge{padding:5px 9px;font-size:10.5px}.compat-card{padding:22px}.compat-heading h2{font-size:17px}.compat-card p{font-size:13px}.prose{max-width:100%}.prose h1{font-size:clamp(27px,7.6vw,32px)}.prose h2{margin-top:32px;font-size:21px}.prose p,.prose li{font-size:15px;line-height:1.9}.detail-lead{font-size:16px!important}.detail-meta{gap:10px;font-size:11.5px}.detail-layout{gap:24px}.side-facts{padding:20px}.side-facts dt{font-size:10.5px}.side-facts dd{font-size:12.5px}.resource-toc{padding:17px}.resource-toc li{font-size:12.5px}.steps-list li{gap:14px;padding:17px 0}.steps-list li>span{width:26px;height:26px;font-size:11px}.steps-list li>div .step-title{font-size:14.5px}.stage-practice{padding:11px 13px;font-size:13px!important}.breadcrumb{gap:8px;margin-bottom:24px;font-size:11.5px}.welcome-panel{padding:21px}.welcome-panel h2{font-size:18px}.welcome-panel p{font-size:13px}.notice{padding:17px 19px;font-size:13px}.notice p{font-size:13px}.comparison-grid{grid-template-columns:1fr}}@media (width<=359px){.header{gap:8px;padding-inline:12px}.brand{font-size:17px}.brand small{max-width:100px;font-size:8.5px}.brand-icon{width:30px;height:30px;font-size:21px}.header-actions select{max-width:70px;font-size:10.5px}.hero h1{font-size:31px}main{padding-inline:15px}.hero-stat{gap:14px}.task-card{gap:8px;padding:13px 11px}.task-card b{font-size:11.5px}.task-arrow{display:none}.filter-form{grid-template-columns:1fr}.section-heading h2{font-size:20px}.section-heading .text-link{font-size:11px}.resource-card{padding:18px 16px 15px}.prose p,.prose li{font-size:14.5px}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}main{background:radial-gradient(1050px 360px at 16% -90px,#a8d2ff80,#f3f7fc00 70%) no-repeat;padding-top:44px}.header{height:82px}.brand-icon{border-radius:14px;width:44px;height:44px;box-shadow:0 6px 16px -8px #12375999}.top-nav{letter-spacing:.01em;gap:30px;font-size:14px}.sidebar{background:linear-gradient(#fbfdff,#f2f7fd)}.hero{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:start;gap:54px;margin:2px 0 58px}.hero h1{margin-bottom:26px;font-size:clamp(40px,4vw,64px)}.hero-intro{max-width:44ch;margin-bottom:30px;font-size:16.5px;line-height:1.9}.hero-buttons{gap:12px}.hero-stat{gap:0;margin-top:38px}.hero-stat>span{border-left:1px solid var(--line-strong);color:var(--muted);letter-spacing:.02em;padding:0 26px;font-size:11.5px}.hero-stat>span:first-child{border-left:0;padding-left:0}.hero-stat b{font:650 26px/1 var(--mono);letter-spacing:-.03em;color:var(--ink);margin-bottom:7px}.eyebrow{letter-spacing:.16em;color:var(--accent);opacity:.95;font-size:10.5px}.welcome-panel{background:linear-gradient(120deg,#fff 0%,#f2f8ff 55%,#e9f3fe 100%);border:1px solid #d9e8f8;border-radius:20px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:26px;padding:26px 28px;display:grid;box-shadow:0 18px 40px -30px #12375973}.welcome-panel h2{margin-bottom:8px;font-size:20px}.welcome-panel p{max-width:62ch}.welcome-actions{justify-content:flex-end;gap:8px;margin-top:0}.welcome-actions .button{white-space:nowrap;min-height:38px;box-shadow:none;border-radius:999px;padding:8px 15px;font-size:12.5px}.welcome-actions .text-button{white-space:nowrap}.task-grid{gap:12px}.task-card{border-radius:14px;gap:14px;padding:17px 18px}.task-card>span:first-child{background:linear-gradient(160deg,var(--accent),var(--accent-strong));color:#fff;width:36px;height:36px;font:600 18px var(--mono);border-radius:11px;box-shadow:0 8px 18px -10px #2467a4e6}.task-card b{font-size:13.5px;font-weight:600}.resource-card{border-radius:16px;padding:24px 24px 18px;box-shadow:0 1px 2px #1237590a,0 14px 30px -26px #12375959}.resource-card:hover{transform:translateY(-4px);box-shadow:0 24px 44px -28px #12375980}.tool-icon{background:#e9f2fd;border-radius:11px;place-items:center;width:34px;height:34px;font-size:0;display:grid;box-shadow:inset 0 0 0 1px #dbe9fa}.tool-icon:after{content:"";background:currentColor;border-radius:3px;width:10px;height:10px;transform:rotate(45deg)}.tone-0{color:#2467a4;background:#e6f1fd}.tone-1{color:#3f5a93;background:#e9effb}.tone-2{color:#4c5f9b;background:#eef0fb}.tone-3{color:#2f6f96;background:#e7f3fb}.tone-4{color:#1f6f8b;background:#e3f1f9}.card-top{align-items:center;margin-bottom:16px}.card-arrow{width:30px;height:30px;color:var(--muted);background:var(--surface-2);border-radius:50%;place-items:center;font-size:15px;display:grid}.resource-card:hover .card-arrow{background:var(--accent);color:#fff;transform:none}.resource-card h3{margin-bottom:10px;font-size:18px;line-height:1.4}.resource-card p{margin-bottom:20px;font-size:13.5px;line-height:1.8}.tag-row{gap:6px}.tag{padding:4px 9px;font-size:10.5px}.tag-row .tag:nth-child(n+2){color:var(--ink-3);box-shadow:inset 0 0 0 1px var(--line-strong);background:0 0}.resource-card>.tag{align-self:flex-start;margin:-6px 0 12px}.resource-card>.tag.warning{color:var(--warn);box-shadow:none;background:#fdf2e4}.card-meta{color:var(--muted);padding-top:12px;font-size:11px}.card-meta .status-dot{width:5px;height:5px;box-shadow:none;background:var(--accent)}.radar-list>a{border-bottom:1px solid var(--line-soft);gap:18px;padding:20px 0}.radar-list h3{margin:6px 0;font-size:16px;line-height:1.5}.radar-list p{font-size:13px;line-height:1.75}.list-number{font:600 11px var(--mono);color:var(--accent);background:var(--accent-tint);border-radius:8px;place-items:center;width:26px;height:26px;margin-top:2px;display:grid}.principle-panel{background:linear-gradient(155deg,#0f3357 0%,var(--ink) 42%,#1b4f7d 100%);border-radius:22px;padding:36px}.principle-panel h2{margin:26px 0 18px;font-size:30px;line-height:1.36}.principle-panel>p:not(.eyebrow){color:#c9daea;font-size:13.5px;line-height:1.85}.principle-line{padding:15px 0;font-size:12.5px}.section-heading{margin-bottom:22px}.section-heading h2{letter-spacing:-.025em;font-size:28px}:lang(zh) .section-heading h2{letter-spacing:0}.detail-layout{grid-template-columns:minmax(0,1fr) 252px;gap:44px}.prose h1{font-size:clamp(32px,3.1vw,42px)}.detail-meta{background:var(--surface-2);border:1px solid var(--line-soft);border-radius:12px;gap:14px;margin:22px 0 6px;padding:12px 16px;font-size:12px}.resource-toc{background:#f2f8ff;padding:18px 22px}.resource-toc ul{gap:4px 20px}.resource-toc li{font-size:12.5px}.steps-list li{padding:22px 0}.steps-list li>span{background:var(--accent-tint);width:32px;height:32px;color:var(--accent-strong);font-size:12px;font-weight:700}.steps-list li>div .step-title{font-size:16px}.stage-practice{border-left:2px solid var(--line-strong);background:var(--surface-2);border-radius:0 8px 8px 0;padding:10px 14px}.prose pre{box-shadow:0 20px 40px -34px #091e35cc}.source-list li{margin-bottom:14px;font-size:13.5px}.source-list .small{color:var(--muted);font-size:11.5px}.side-facts{border-radius:16px;padding:24px;position:sticky;top:22px}.side-facts .eyebrow{margin-bottom:14px;font-size:9.5px}.side-facts dl{grid-template-columns:minmax(56px,auto) minmax(0,1fr);align-items:baseline;gap:10px 14px;display:grid}.side-facts dt{letter-spacing:.04em;color:var(--muted);margin:0;padding-top:2px;font-size:10.5px}.side-facts dd{margin:0;font-size:12.5px;line-height:1.6}.side-facts .button{margin:18px 0 12px}.side-facts .freshness{font-family:var(--mono);font-size:11.5px}.breadcrumb{margin-bottom:22px;font-size:11.5px}.detail-lead{margin-top:2px}.prose h1{margin-top:16px}.resource-section{margin-bottom:38px}footer{color:#c9daea;background:linear-gradient(#0f3357,#0b2742);border-top:0;padding:48px clamp(18px,5%,64px) 40px}.footer-brand b{color:#fff;font-size:19px}.footer-brand p{color:#9dbcda;max-width:46ch}.footer-links{color:#a9c6e2}.footer-links a{transition:color .16s}.footer-links a:hover{color:#fff}footer>small{color:#7f9fbd;border-top:1px solid #ffffff1a;margin-top:6px;padding-top:18px}@media (width<=1023px){.hero{grid-template-columns:1fr;gap:32px}.welcome-panel{grid-template-columns:auto minmax(0,1fr);gap:20px}.welcome-actions{grid-column:1/-1;justify-content:flex-start;margin-top:4px}.detail-layout{grid-template-columns:minmax(0,1fr);gap:24px}.side-facts{position:static}}@media (width<=767px){main{background:radial-gradient(600px 260px at 30% -60px,#a8d2ff80,#f3f7fc00 72%) no-repeat;padding-top:26px}.header{height:68px}.hero h1{margin-bottom:18px;font-size:clamp(33px,9.2vw,40px)}.hero-intro{max-width:100%;font-size:14.5px}.hero-stat{margin-top:24px}.hero-stat>span{padding:0 16px;font-size:10.5px}.hero-stat b{font-size:21px}.welcome-panel{padding:20px;display:block}.welcome-panel h2{font-size:18px}.welcome-actions{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:14px;display:grid}.welcome-actions .text-button{text-align:center;grid-column:1/-1}.task-card{gap:11px;padding:14px 13px}.task-card>span:first-child{border-radius:9px;width:30px;height:30px;font-size:16px}.task-card b{font-size:12.5px}.resource-card{padding:19px 18px 15px}.resource-card h3{font-size:17px}.resource-card p{font-size:13px;line-height:1.75}.tool-icon{border-radius:9px;width:30px;height:30px}.tool-icon:after{width:8px;height:8px}.card-arrow{width:26px;height:26px;font-size:13px}.card-meta{font-size:10.5px}.tag{font-size:10px}.section-heading h2{font-size:22px}.eyebrow{letter-spacing:.12em;font-size:10px}.list-number{border-radius:7px;width:22px;height:22px;font-size:10px}.principle-panel{border-radius:18px;padding:26px}.principle-panel h2{font-size:23px}.prose h1{font-size:clamp(27px,7.4vw,32px)}.detail-meta{gap:10px;padding:10px 12px;font-size:11px}.side-facts{padding:20px}.side-facts dl{grid-template-columns:minmax(52px,auto) minmax(0,1fr);gap:9px 12px}.side-facts dd{font-size:12.5px}footer{padding:32px 20px 28px}.footer-brand p{font-size:12px}.footer-links{gap:16px;font-size:11.5px}}@media (width<=359px){.hero h1{font-size:30px}.welcome-actions{grid-template-columns:1fr}.hero-stat>span{padding:0 12px}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.model-entry-links[data-astro-cid-ju4pidww]{border-bottom:1px solid var(--line-soft);letter-spacing:.02em;flex-wrap:wrap;gap:.4rem 1.4rem;margin:0 0 2.2rem;padding-bottom:.9rem;font-size:.78rem;display:flex}.model-entry-links[data-astro-cid-ju4pidww] a[data-astro-cid-ju4pidww]{color:var(--ink-3);border-bottom:1px solid #0000;padding-bottom:1px;text-decoration:none;transition:color .16s,border-color .16s}.model-entry-links[data-astro-cid-ju4pidww] a[data-astro-cid-ju4pidww]:hover{color:var(--accent);border-bottom-color:var(--ring)}.model-entry-links[data-astro-cid-ju4pidww] a[data-astro-cid-ju4pidww].active{color:var(--accent-strong);border-bottom-color:var(--accent);font-weight:650}