:root{--page:#F3F6F9;--white:#FFFFFF;--soft:#E8EEF5;--ink:#0B1220;--text:#1E293B;--muted:#475569;--quiet:#64748B;--blue:#2563EB;--bright:#60A5FA;--deep:#1D4ED8;--lime:#65A30D;--slate:#334155;--line:rgba(37,99,235,.16);--shadow:0 14px 36px rgba(11,18,32,.08);--radius:18px;--content:1180px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:150px}
body{margin:0;min-width:0;overflow-x:clip;background:var(--page);color:var(--text);font:400 16px/1.76 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei", "Noto Sans CJK SC",sans-serif;-webkit-font-smoothing:antialiased}
body.overlay-open{overflow:hidden}
button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{color:var(--ink);line-height:1.34}h1{font-size:clamp(28px,3vw,32px);letter-spacing:-.035em}h2{font-size:clamp(22px,2.4vw,28px);letter-spacing:-.025em}h3{font-size:18px}p{margin-bottom:1em}a,button,input{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--bright);outline-offset:3px}::selection{background:#c3daff;color:#081938}
.shell{width:min(var(--content),calc(100% - 32px));margin-inline:auto;min-width:0}
.skip-link{position:fixed;top:-99px;left:12px;z-index:200;padding:8px 16px;background:#fff;color:var(--blue);border-radius:9px}.skip-link:focus{top:10px}
.site-header{position:fixed;z-index:55;top:0;left:0;right:0;width:100%;box-shadow:0 4px 14px rgba(15,23,42,.055)}
.status-line{height:32px;background:var(--slate);color:white}.status-inner{display:flex;justify-content:space-between;align-items:center;height:100%;font-size:12px;line-height:1}.status-id{display:inline-flex;align-items:center;gap:6px;font-weight:680;letter-spacing:.05em}.status-sep{opacity:.55;margin:0 3px}.pulse-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#b7e24d;margin-right:3px;box-shadow:0 0 0 3px rgba(183,226,77,.13)}
.status-search{border:0;background:transparent;color:#f0f5ff;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 9px;height:32px;font-size:12px}.status-search:hover{color:#b8d3ff}.search-lens{width:13px;height:13px;border:1.75px solid currentColor;border-radius:50%;display:inline-block;position:relative}.search-lens::after{content:"";position:absolute;right:-4px;bottom:-2px;width:6px;height:1.75px;background:currentColor;transform:rotate(45deg)}
.command-line{height:60px;background:var(--white);border-bottom:1px solid var(--line)}.command-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:100%;gap:12px}.directory-button{border:1px solid #c5d2e6;border-radius:10px;background:#fff;color:#14253d;display:inline-flex;align-items:center;justify-content:center;gap:11px;min-height:44px;max-width:116px;padding:7px 13px;font-size:13px;font-weight:720}.directory-button:hover{border-color:var(--blue);color:var(--blue)}.four-squares{display:grid;grid-template-columns:repeat(2,7px);gap:3px}.four-squares i{height:7px;width:7px;border:1.8px solid currentColor;border-radius:1px}.four-squares i:nth-child(2){background:var(--blue);border-color:var(--blue)}
.command-brand{display:inline-flex;align-items:center;justify-content:center;min-width:0;min-height:44px}.brand-image{display:block;max-height:32px;width:auto;max-width:190px;object-fit:contain;object-position:center;background:transparent;border:0}.brand-word{font-family:Arial,Helvetica,sans-serif;color:#0B1220;font-size:28px;font-weight:850;line-height:1;letter-spacing:-2px;white-space:nowrap}.brand-word span{color:var(--blue);letter-spacing:-1px}.open-app{justify-self:end;display:inline-flex;align-items:center;justify-content:center;gap:10px;white-space:nowrap;color:#fff;background:linear-gradient(135deg,#60A5FA,#2563EB 52%,#1D4ED8);font-size:13px;font-weight:720;min-height:44px;border-radius:100px;padding:0 17px;box-shadow:0 6px 14px rgba(37,99,235,.18)}.open-app:hover{filter:brightness(.95)}
.desktop-tabs{height:44px;background:white;border-bottom:1px solid var(--line)}.tab-inner{display:flex;align-items:center;justify-content:center;gap:clamp(12px,3vw,36px);height:100%}.tab-inner a{height:44px;display:inline-flex;align-items:center;justify-content:center;border-bottom:3px solid transparent;padding:2px 12px 0;color:var(--muted);font-size:14px;white-space:nowrap}.tab-inner a:hover,.tab-inner a.tab-current{color:var(--blue);border-bottom-color:var(--blue);font-weight:730}
.site-main{padding-top:136px;padding-bottom:28px;min-width:0}.main-start{padding-top:26px}.section-block{margin-top:54px;margin-bottom:0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-heading h2{margin:4px 0 0}.section-heading p{margin-bottom:3px;color:var(--muted);font-size:14px;max-width:570px}.eyebrow{display:inline-block;letter-spacing:.15em;font-family:Arial,Helvetica,sans-serif;font-size:11px;font-weight:800;color:var(--blue)}.more-link{white-space:nowrap;color:var(--blue);font-size:14px;font-weight:760}.more-link:hover,.text-action:hover,.quiet-link:hover{color:var(--deep);text-decoration:underline;text-underline-offset:4px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);min-width:0}.subtle-card{background:#fff;border:1px solid var(--line);border-radius:15px;min-width:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;border-radius:999px;white-space:nowrap;padding:9px 21px;font-weight:730;font-size:14px;transition:background-color .2s,transform .2s;max-width:100%}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--bright),var(--blue) 52%,var(--deep));color:white;box-shadow:0 8px 18px rgba(37,99,235,.18)}.btn-secondary{background:#fff;border:1px solid #a9c1ec;color:var(--deep)}.btn-quiet{background:#edf4ff;color:var(--blue)}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.media-slot{position:relative;isolation:isolate;display:flex;justify-content:center;align-items:center;width:100%;overflow:hidden;min-width:0;border-radius:15px;background:radial-gradient(ellipse at 80% 20%,rgba(96,165,250,.28),transparent 45%),linear-gradient(132deg,#E9F2FD,#E8EEF5 55%,#DCE9FA);border:1px solid rgba(37,99,235,.10)}
.media-slot:before{content:"";position:absolute;z-index:-1;width:46%;aspect-ratio:1;border:1px solid rgba(37,99,235,.17);border-radius:36%;transform:rotate(28deg);left:9%;top:9%;box-shadow:0 0 0 28px rgba(255,255,255,.14),0 0 0 64px rgba(96,165,250,.06)}.media-slot:after{content:"";position:absolute;z-index:-1;right:-5%;bottom:-46%;width:58%;aspect-ratio:1;border-radius:50%;background:rgba(37,99,235,.06)}.media-slot img{position:relative;z-index:1;display:block;width:100%;height:100%;object-fit:contain;object-position:center;border:0;background:transparent}.media-slot.tall{background:linear-gradient(150deg,#edf5ff,#dfeafe)}.media-slot.dark-slot{background:linear-gradient(130deg,#263858,#0c172c)}.media-slot.dark-slot:after{background:rgba(96,165,250,.2)}
.home-hero{padding:clamp(22px,4vw,42px);position:relative;overflow:hidden}.home-hero:before{content:"";position:absolute;right:-145px;top:-210px;height:370px;width:370px;border:1px solid #d8e7fe;border-radius:50%;pointer-events:none}.home-hero .eyebrow{font-size:13px}.hero-copy{position:relative;max-width:780px}.hero-copy h1{margin:10px 0 15px;font-size:clamp(30px,4vw,42px);line-height:1.3}.hero-copy p{font-size:16px;line-height:1.8;color:var(--muted);max-width:780px}.hero-screen{margin-top:27px;height:min(340px,34vw);min-height:192px;border-radius:16px}.hero-code{position:absolute;right:38px;top:43px;border-radius:12px;background:#edf5ff;padding:8px 12px;color:#a0b9db;font-size:12px;font-weight:850;letter-spacing:.2em;pointer-events:none}
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.topic-chip{display:flex;gap:12px;align-items:flex-start;padding:18px;min-width:0;background:#fff;border:1px solid var(--line);border-radius:14px;transition:transform .2s,border-color .2s}.topic-chip:hover{transform:translateY(-2px);border-color:var(--bright)}.topic-dot{display:block;margin-top:10px;width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px #e8f1ff;flex:none}.topic-chip h3{margin:0 0 6px;font-size:15px}.topic-chip p{margin:0;font-size:13px;line-height:1.6;color:var(--muted)}
.pulse-feature{display:grid;grid-template-columns: minmax(0,1.08fr) minmax(0,1fr);gap:25px;padding:20px}.pulse-media{height:100%;min-height:258px}.pulse-writing{padding:11px 10px 12px 0}.pulse-writing h3{font-size:23px;margin:7px 0 13px}.pulse-writing p{font-size:15px;color:var(--muted)}.pulse-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}.pulse-list a{display:flex;align-items:center;gap:9px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:#f8fbff;font-size:13px;font-weight:700;min-width:0}.pulse-list a strong{font-size:17px;color:var(--blue);font-family:Arial,Helvetica,sans-serif}.pulse-list a:hover{border-color:var(--blue)}
.triad-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.triad-card{overflow:hidden;padding:12px}.triad-card .media-slot{height:178px}.triad-text{padding:15px 8px 7px}.triad-text .pill-mini{display:inline-block;padding:2px 9px;background:#f0f6ff;color:var(--blue);border-radius:20px;font-size:11px;font-weight:750}.triad-text h3{font-size:21px;margin:10px 0}.triad-text p{color:var(--muted);font-size:14px}.text-action{font-weight:770;color:var(--blue);font-size:14px}
.double-editorial{display:grid;gap:16px}.editorial-band{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.73fr);padding:18px;gap:22px;align-items:center}.editorial-band:nth-child(even){grid-template-columns:minmax(0,.73fr) minmax(0,1fr)}.editorial-band:nth-child(even) .media-slot{order:-1}.editorial-band .media-slot{height:208px}.editorial-band .editorial-text{padding:6px 8px}.editorial-band h3{font-size:22px;margin:8px 0}.editorial-band p{font-size:15px;color:var(--muted)}
.mural-panel{background:linear-gradient(135deg,#132440,#0b1528);border-radius:var(--radius);color:white;padding:22px}.mural-panel .section-heading h2,.mural-panel h3{color:white}.mural-panel .section-heading p{color:#bdcfea}.mural-strip{display:grid;grid-template-columns: .62fr 1fr;gap:16px;align-items:stretch}.mural-strip .media-slot{min-height:232px}.mural-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.mural-grid a{border:1px solid rgba(255,255,255,.17);border-radius:13px;padding:18px;background:rgba(255,255,255,.06)}.mural-grid a:hover{background:rgba(96,165,250,.16)}.mural-grid h3{margin:0 0 6px;font-size:16px}.mural-grid p{margin:0;font-size:13px;color:#d1e0f9}.mural-grid b{color:#b5d7ff;font-size:12px}
.folder-block{display:grid;grid-template-columns:1fr 1fr;gap:22px}.folder-side{padding:20px}.folder-side .media-slot{height:240px}.folder-side p{color:var(--muted);font-size:14px;margin:12px 0 0}.file-rows{display:flex;flex-direction:column;gap:9px}.file-line{display:flex;align-items:center;gap:12px;border:1px solid var(--line);background:white;border-radius:12px;padding:12px 14px;min-height:54px;font-size:14px}.file-line:hover{border-color:var(--blue);background:#f9fbff}.file-line::before{content:"";width:18px;height:14px;border-radius:3px;background:linear-gradient(#92b8ff,#2563EB);clip-path:polygon(0 18%,35% 18%,44% 0,100% 0,100% 100%,0 100%);flex:none}.file-line strong{font-size:14px;flex:1}.file-line small{font-size:12px;color:var(--muted)}.file-line i{font-style:normal;color:var(--blue)}
.meter-board{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.meter-item{padding:18px;border-radius:15px;border:1px solid var(--line);background:white;min-width:0}.meter-item .big-number{display:block;font-size:clamp(30px,4vw,47px);font-weight:850;letter-spacing:-.08em;color:var(--blue);line-height:1.3;font-family:Arial,Helvetica,sans-serif}.meter-item h3{font-size:16px;margin:7px 0}.meter-item p{font-size:13px;line-height:1.6;color:var(--muted);margin:0}
.axis-panel{padding:26px;background:#fff;border-radius:var(--radius);border:1px solid var(--line)}.axis-line{position:relative;margin:10px 0 0 9px;border-left:2px solid #c0d7fb;padding-left:32px;display:grid;gap:17px}.axis-node{position:relative;background:#f7faff;border-radius:12px;padding:17px 18px;border:1px solid #ddeafa}.axis-node:before{content:"";position:absolute;left:-41px;top:25px;width:16px;height:16px;background:#fff;border:4px solid var(--blue);border-radius:50%;box-shadow:0 0 0 3px white}.axis-node h3{margin:0 0 7px;font-size:17px}.axis-node p{font-size:14px;color:var(--muted);margin:0}.state-tag{display:inline-block;margin-left:6px;border-radius:16px;padding:2px 9px;font-size:11px;background:#e6f1ff;color:#2255af;font-weight:760}
.app-showcase{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);padding:28px;gap:30px;align-items:center}.app-showcase h2{font-size:30px;margin:8px 0 14px}.app-showcase p{font-size:15px;color:var(--muted)}.phone-slot{height:315px;max-width:350px;margin:auto}.badge-slot{height:62px;width:62px;border-radius:16px;display:inline-flex;vertical-align:middle;margin-right:7px}.badge-slot:before,.badge-slot:after{display:none}
.legal-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.legal-card{padding:22px}.legal-card h3{font-size:20px}.legal-card p{font-size:14px;color:var(--muted)}.legal-card a{color:var(--blue);font-weight:700}
.qa-mini{display:grid;grid-template-columns:1fr 1fr;gap:12px}.qa-mini details,.faq-stack details{border:1px solid var(--line);border-radius:13px;background:white;padding:16px 18px;min-width:0}.qa-mini summary,.faq-stack summary{cursor:pointer;color:var(--ink);font-weight:720;font-size:15px;line-height:1.6;list-style:none;display:flex;justify-content:space-between;gap:10px}.qa-mini summary:after,.faq-stack summary:after{content:"+";flex:none;color:var(--blue);font-size:22px;font-weight:400;line-height:1}.qa-mini details[open] summary:after,.faq-stack details[open] summary:after{content:"−"}.qa-mini summary::-webkit-details-marker,.faq-stack summary::-webkit-details-marker{display:none}.qa-mini details p,.faq-stack details p{padding-top:12px;margin:0;font-size:14px;color:var(--muted)}
.brand-note{padding:35px;background:linear-gradient(132deg,#fdfefe,#eaf2ff);position:relative;overflow:hidden}.brand-note:after{content:"91";position:absolute;right:1%;bottom:-78px;font:bold 240px/1 Arial,Helvetica,sans-serif;color:rgba(37,99,235,.07);pointer-events:none}.brand-note p{max-width:910px;color:var(--muted);position:relative;z-index:1}.brand-note .brand-cta{position:relative;z-index:1}
/* Inner editorial reading layouts */
.inner-top{margin-top:26px}.inner-heading{padding:29px 33px;background:white;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}.inner-heading h1{margin:9px 0 10px}.inner-heading p{max-width:880px;color:var(--muted);margin-bottom:0}.inner-route{display:flex;gap:8px;align-items:center;font-size:12px;color:var(--quiet)}.inner-route a{color:var(--blue)}.inner-route span{opacity:.5}
.inner-layout{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:28px;margin-top:24px;align-items:start}.inner-layout.no-aside{display:block}.editorial-content{min-width:0}.inner-aside{position:sticky;top:156px;border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff;min-width:0}.inner-aside h2{font-size:16px;margin:0 0 14px}.inner-aside a{display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid #e8eef7;font-size:13px;padding:11px 2px;color:var(--muted)}.inner-aside a:hover{color:var(--blue)}.inner-aside a:after{content:"↗";color:var(--blue)}.inner-aside p{font-size:13px;line-height:1.7;color:var(--muted)}
.visual-hero{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:22px;align-items:stretch;margin-bottom:24px}.visual-hero .media-slot{min-height:250px}.visual-hero .summary-panel{padding:24px}.summary-panel h2{font-size:21px}.summary-panel p{font-size:15px;color:var(--muted)}.summary-panel .summary-detail{display:flex;flex-wrap:wrap;gap:7px;margin:17px 0}.summary-detail span{border-radius:30px;background:#ebf3ff;color:var(--blue);padding:4px 11px;font-size:12px;font-weight:700}
.article-section{padding:27px 29px;background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:16px;min-width:0;overflow-wrap:anywhere}.article-section h2{font-size:23px;margin-bottom:14px}.article-section p{font-size:15px;color:var(--text);line-height:1.87;margin-bottom:13px}.article-section p:last-child{margin-bottom:0}.article-section .eyebrow{margin-bottom:5px}
.article-section.highlight{background:#eaf2ff;border-color:#bad3f9}.article-section.highlight h2{color:#134a9c}.article-section.dark{background:#101f37;border-color:#1c3356}.article-section.dark h2,.article-section.dark p{color:#f5faff}.article-section.dark .eyebrow{color:#9cc4ff}.article-section.soft{background:#f7fbff}
.article-section.split-reading{display:grid;grid-template-columns:145px minmax(0,1fr);gap:24px}.split-reading .section-ordinal{display:block;font:bold 69px/1.1 Arial,Helvetica,sans-serif;letter-spacing:-.09em;color:var(--blue);border-top:4px solid var(--blue);padding-top:8px}.article-section.split-reading .section-body h2{margin-top:0}
.article-section.editor-quote{border-left:5px solid var(--blue);background:#f6faff}.article-section.editor-quote:before{content:"“";font:70px/.65 Georgia,serif;color:#85b3fa;float:right;margin-left:20px}
.prose-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.prose-gallery .article-section{height:100%;margin-bottom:0}.prose-gallery .article-section:nth-child(2n){background:#f6faff}.prose-gallery .article-section h2{font-size:20px}
.editorial-bars .article-section{border-left:5px solid var(--blue);margin-left:0}.editorial-bars .article-section:nth-child(2n){border-left-color:var(--lime);background:#fcfdff}
.chapter-list .article-section{padding-left:40px;position:relative}.chapter-list .article-section:before{content:"";position:absolute;left:17px;top:34px;bottom:20px;border-left:2px solid #b9d3fa}.chapter-list .article-section h2{position:relative}.chapter-list .article-section h2:before{content:"";position:absolute;left:-29px;top:10px;width:11px;height:11px;border-radius:50%;background:var(--blue)}
.long-notes .article-section{border-top:4px solid #a8c9fa}.long-notes .article-section:nth-child(3n){background:#eef5ff}.number-deck .article-section{display:grid;grid-template-columns:95px minmax(0,1fr);gap:20px;align-items:start}.number-deck .count{font:800 62px/1 Arial,Helvetica,sans-serif;color:var(--blue);letter-spacing:-.08em}.number-deck .article-section:nth-child(even){background:#f7fbff}
.cue-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.cue-grid .article-section{margin-bottom:0}.cue-grid .article-section:nth-child(3n){background:#f1f6ff}
.work-steps .article-section{display:grid;grid-template-columns:80px 1fr;gap:18px}.work-steps .step-circle{display:flex;align-items:center;justify-content:center;width:62px;height:62px;border-radius:50%;background:#e7f0fe;border:1px solid #bbd3fa;color:var(--blue);font-size:23px;font-weight:800}.work-steps .article-section:nth-child(2n){background:#f7fbff}
.mural-reading{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.mural-reading .article-section{margin:0;min-height:260px}.mural-reading .article-section:nth-child(4n+1){background:#eaf2ff}.mural-reading .article-section:nth-child(4n+2){background:white}.mural-reading .article-section:nth-child(4n+3){background:#f4f8ff}.mural-reading .article-section:nth-child(4n){background:#ecf2fa}
.directory-rows .article-section{display:grid;grid-template-columns:48px minmax(0,1fr);gap:14px;position:relative}.directory-rows .article-section:before{content:"↗";display:flex;justify-content:center;align-items:center;height:38px;width:38px;border:1px solid #bfd8fc;border-radius:10px;color:var(--blue);font-size:20px;background:#f1f7ff}
.memo-long .article-section{padding:32px 42px}.memo-long .article-section:nth-child(2n){background:#f7fbff}.memo-long .article-section h2{font-size:25px}.narrative-flow .article-section{position:relative}.narrative-flow .article-section:nth-child(even){margin-left:32px}.narrative-flow .article-section:nth-child(odd){margin-right:32px}
.faq-stack{display:grid;gap:12px}.faq-stack details{padding:21px 24px}.faq-stack summary{font-size:17px}.faq-stack details p{font-size:15px;line-height:1.85}
.legal-clauses .article-section{box-shadow:none;border-radius:10px;border-left:4px solid #a9caff}.legal-clauses .article-section:nth-child(2n){background:#f8faff}
.inner-more{margin-top:32px;background:#eaf2ff;border:1px solid #cfe1fd;border-radius:17px;padding:23px}.inner-more h2{font-size:20px;margin-bottom:12px}.inner-more-links{display:flex;flex-wrap:wrap;gap:9px}.inner-more a{display:inline-flex;padding:8px 14px;background:white;color:var(--blue);font-size:13px;font-weight:700;border:1px solid #d5e5fa;border-radius:99px;min-height:40px;align-items:center}.inner-more a:hover{border-color:var(--blue)}
/* Footer */
.site-footer{background:#0B1220;color:#d6e4ff;margin-top:58px;padding:44px 0 0}.footer-top{display:grid;grid-template-columns: minmax(210px,.9fr) minmax(0,2fr);gap:36px}.footer-brand{display:inline-flex;align-items:center;gap:14px;color:white}.footer-brand .brand-word{color:#fff}.footer-brand .brand-word span{color:#88b7ff}.footer-brand .brand-image{max-height:32px}.footer-en{font-size:11px;letter-spacing:.13em;color:#a8bfdd;font-weight:700}.footer-intro p{font-size:14px;color:#afc3de;margin-top:20px;line-height:1.85}.footer-stamp{font:bold 10px Arial,sans-serif;letter-spacing:.12em;color:#5f84b9}.footer-columns{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.footer-group{display:flex;flex-direction:column;gap:5px}.footer-group h2{color:#fff;font-size:14px;margin:2px 0 12px}.footer-group a{font-size:13px;color:#bbcae0;padding:3px 0}.footer-group a:hover{color:#9cc8ff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;border-top:1px solid rgba(205,228,255,.13);font-size:12px;line-height:1.7;color:#a7bad6;margin-top:38px;padding-top:19px;padding-bottom:21px}.footer-bottom span:last-child{max-width:670px;text-align:right}
.mobile-nav{display:none}
/* Overlays */
.panel-shade{position:fixed;inset:0;background:rgba(8,16,29,.62);z-index:80;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s,visibility .22s}.panel-shade.is-open{opacity:1;visibility:visible;pointer-events:auto}
.mosaic-panel,.search-panel{position:fixed;z-index:90;visibility:hidden;opacity:0;pointer-events:none;inset:0;transition:opacity .22s,visibility .22s;overflow-y:auto;overscroll-behavior:contain}.mosaic-panel.is-open,.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto}.mosaic-panel{background:#F2F6FC;transform:translateY(-24px);transition:transform .25s,opacity .22s,visibility .22s}.mosaic-panel.is-open{transform:translateY(0)}.mosaic-inner{padding-top:24px;padding-bottom:46px}.panel-header,.search-titlebar{display:flex;align-items:center;justify-content:space-between;gap:16px}.panel-header{padding-bottom:24px;border-bottom:1px solid #cedcf0}.mosaic-brand{display:flex;align-items:center;gap:16px}.mosaic-brand>span:last-child{font-size:13px;color:var(--muted)}.panel-close{display:inline-flex;gap:9px;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 12px;border-radius:10px;border:1px solid #c9d8ee;background:#fff;color:var(--ink);font-size:23px;line-height:1}.panel-close span{font-size:13px;font-weight:700}.panel-close:hover{border-color:var(--blue);color:var(--blue)}.mosaic-columns{display:grid;gap:24px;padding-top:20px}.mosaic-group h2{margin:0 0 10px;font-size:17px}.mosaic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.mosaic-tile{display:block;position:relative;padding:16px 42px 16px 16px;background:white;border:1px solid #d7e3f5;border-radius:13px;min-height:96px}.mosaic-tile:hover{background:#ebf3ff;border-color:#90b9fb}.mosaic-tile strong{display:block;font-size:16px;color:var(--ink);margin-bottom:5px}.mosaic-tile small{display:block;font-size:12px;line-height:1.55;color:var(--muted)}.tile-arrow{position:absolute;right:15px;top:14px;color:var(--blue);font-weight:750}
.search-panel{background:rgba(230,238,248,.95);padding-top:80px}.search-card{max-width:770px;padding:35px;background:white;border-radius:20px;border:1px solid #cadaf0;box-shadow:0 20px 60px rgba(7,20,50,.2)}.search-titlebar{align-items:start;margin-bottom:24px}.search-titlebar h2{margin:3px 0 0;font-size:25px}.search-card label{display:block;font-size:13px;color:var(--muted);font-weight:700;margin-bottom:6px}.search-card input{display:block;width:100%;min-width:0;height:52px;border-radius:11px;padding:0 14px;border:1px solid #a6bddd;background:#f8fbff;font-size:16px;color:var(--ink)}.search-card input:focus{outline:3px solid #d4e5ff;border-color:var(--blue)}.search-card #searchHint{font-size:13px;color:var(--quiet);margin:9px 0 18px}.search-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.search-links a{padding:10px 12px;border-radius:10px;border:1px solid var(--line);font-weight:720;background:#f8fbff;font-size:14px;display:flex;justify-content:space-between;gap:8px}.search-links a:hover{border-color:var(--blue)}.search-links a span{color:var(--blue)}.search-links a[hidden],.search-empty[hidden]{display:none}.search-empty{color:var(--quiet);font-size:14px}.quiet-link{display:inline-block;color:var(--blue);font-weight:700;font-size:13px;margin-top:20px}
@media(max-width:1020px){.inner-layout{grid-template-columns:minmax(0,1fr) 205px;gap:18px}.folder-block{gap:16px}.meter-board{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:800px){.site-main{padding-top:92px}.desktop-tabs{display:none}.section-block{margin-top:39px}.section-heading{gap:9px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.pulse-feature{grid-template-columns:1fr}.pulse-media{min-height:220px;height:220px}.pulse-writing{padding:0 8px 7px}.triad-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.triad-card:last-child{grid-column:1/-1}.triad-card:last-child .media-slot{height:180px}.mural-strip{grid-template-columns:1fr}.mural-strip .media-slot{min-height:170px;height:180px}.folder-block{grid-template-columns:1fr}.folder-side .media-slot{height:175px}.app-showcase{grid-template-columns:1fr}.phone-slot{height:250px;width:min(90%,360px)}.footer-top{grid-template-columns:1fr}.inner-layout{display:block}.inner-aside{position:static;margin-top:20px}.inner-aside a{display:inline-flex;margin-right:12px}.visual-hero{grid-template-columns:1fr}.visual-hero .media-slot{min-height:195px;height:220px}.mosaic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.site-footer{padding-bottom:12px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}.footer-bottom span:last-child{text-align:left}.mobile-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));align-items:stretch;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid #dae5f5;position:fixed;bottom:0;left:0;right:0;z-index:60;box-shadow:0 -6px 18px rgba(12,24,44,.09)}.mobile-nav a{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px;font-size:11px;line-height:1.1;color:var(--muted);min-width:0;min-height:50px}.mobile-nav a.active{color:var(--blue);font-weight:800;background:#edf4ff}.mobile-nav-shape{display:block;border-radius:3px;border:1.75px solid currentColor;width:15px;height:15px}.mobile-nav a.active .mobile-nav-shape{background:var(--blue);border-color:var(--blue);box-shadow:inset 0 0 0 3px #edf4ff}.site-footer{margin-bottom:calc(50px + env(safe-area-inset-bottom))}}
@media(max-width:560px){body{font-size:15px}.shell{width:calc(100% - 32px)}.status-id{font-size:11px}.command-inner{gap:5px}.command-brand .brand-image{max-width:138px;height:28px}.brand-word{font-size:24px}.directory-button{font-size:12px;gap:7px;min-width:44px;padding:7px 9px}.directory-label{display:none}.open-app{font-size:12px;min-height:44px;gap:5px;padding:0 10px}.main-start{padding-top:15px}.section-heading{align-items:start}.section-heading h2{font-size:23px}.section-heading p{font-size:13px}.section-heading .more-link{align-self:center;font-size:12px}.home-hero{padding:19px}.hero-copy h1{font-size:29px}.hero-copy p{font-size:15px}.hero-screen{height:205px;min-height:205px;margin-top:20px}.hero-code{display:none}.button-row{gap:9px}.btn{padding:9px 15px;font-size:13px}.topic-grid{gap:9px}.topic-chip{padding:13px 10px;gap:9px}.topic-chip h3{font-size:14px}.topic-chip p{font-size:12px}.topic-dot{margin-top:7px;width:7px;height:7px}.pulse-feature{padding:13px;gap:14px}.pulse-media{height:185px;min-height:185px}.pulse-writing h3{font-size:21px}.pulse-list a{padding:8px}.pulse-list a strong{font-size:14px}.triad-grid{grid-template-columns:1fr;gap:12px}.triad-card:last-child{grid-column:auto}.triad-card .media-slot{height:172px}.editorial-band,.editorial-band:nth-child(even){grid-template-columns:1fr;gap:8px;padding:13px}.editorial-band:nth-child(even) .media-slot{order:0}.editorial-band .media-slot{height:173px}.editorial-band h3{font-size:20px}.mural-panel{padding:16px}.mural-grid{gap:8px}.mural-grid a{padding:12px}.mural-grid h3{font-size:14px}.mural-grid p{font-size:12px}.folder-side{padding:13px}.folder-side .media-slot{height:145px}.file-line{gap:9px;padding:10px}.file-line small{display:none}.meter-board{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.meter-item{padding:14px}.meter-item .big-number{font-size:34px}.axis-panel{padding:17px 13px}.axis-line{padding-left:20px}.axis-node{padding:12px}.axis-node:before{left:-29px;width:14px;height:14px}.app-showcase{padding:18px;gap:15px}.app-showcase h2{font-size:25px}.phone-slot{height:230px}.legal-grid,.qa-mini{grid-template-columns:1fr}.brand-note{padding:22px}.inner-top{margin-top:15px}.inner-heading{padding:21px 18px}.inner-heading h1{font-size:27px}.inner-heading p{font-size:14px}.inner-layout{margin-top:15px}.article-section{padding:20px 18px;margin-bottom:12px}.article-section h2{font-size:21px}.article-section p{font-size:15px}.article-section.split-reading{grid-template-columns:1fr;gap:7px}.split-reading .section-ordinal{font-size:33px;border:0;padding:0}.prose-gallery,.cue-grid,.mural-reading{grid-template-columns:1fr}.prose-gallery .article-section,.cue-grid .article-section,.mural-reading .article-section{margin-bottom:0}.prose-gallery,.cue-grid,.mural-reading{gap:11px}.number-deck .article-section{grid-template-columns:54px 1fr;gap:12px}.number-deck .count{font-size:39px}.work-steps .article-section{grid-template-columns:45px 1fr;gap:11px}.work-steps .step-circle{width:41px;height:41px;font-size:15px}.memo-long .article-section{padding:25px 18px}.narrative-flow .article-section:nth-child(even){margin-left:0}.narrative-flow .article-section:nth-child(odd){margin-right:0}.directory-rows .article-section{grid-template-columns:34px 1fr;gap:8px}.directory-rows .article-section:before{width:28px;height:28px;font-size:16px}.faq-stack details{padding:17px 16px}.faq-stack summary{font-size:15px}.footer-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 9px}.footer-top{gap:22px}.site-footer{padding-top:34px}.mosaic-inner{padding-top:16px;padding-bottom:28px}.mosaic-brand>span:last-child{display:none}.mosaic-group h2{font-size:16px}.mosaic-grid{gap:8px}.mosaic-tile{min-height:90px;padding:13px 18px 12px 12px}.mosaic-tile strong{font-size:14px}.mosaic-tile small{font-size:11px}.tile-arrow{right:7px;top:7px;font-size:11px}.search-panel{background:var(--page);padding-top:0}.search-card{width:100%;min-height:100%;border-radius:0;border:0;padding:19px 16px;box-shadow:none}.search-titlebar h2{font-size:21px}.search-links{grid-template-columns:repeat(2,minmax(0,1fr))}.search-links a{font-size:13px;padding:10px}}
@media(max-width:365px){.status-inner{font-size:10px}.status-id{letter-spacing:0}.open-app{padding:0 8px;font-size:11px}.brand-word{font-size:22px}.hero-copy h1{font-size:28px}.topic-chip p{font-size:11px}.mural-grid{grid-template-columns:1fr}.mosaic-tile{min-height:96px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

.mural-eyebrow{color:#9FC7FF}.mural-link{color:#C8DFFF}.meter-footnote{font-size:13px;color:var(--quiet);margin:12px 0 0}.app-badge-label{text-align:center;margin-top:9px}.app-badge-caption{font:700 12px Arial,Helvetica,sans-serif;color:var(--quiet);letter-spacing:.12em}

.notebook-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.notebook-card{padding:23px;position:relative;overflow:hidden}.notebook-card:after{content:"";position:absolute;width:75px;height:75px;border:1px solid #dce9fd;right:-30px;top:-30px;border-radius:50%;pointer-events:none}.notebook-card h3{font-size:20px;margin:10px 0}.notebook-card p{color:var(--muted);font-size:14px;line-height:1.75}.notebook-card a{display:inline-block;margin-top:4px}
@media(max-width:800px){.notebook-grid{grid-template-columns:1fr 1fr}.notebook-card:last-child{grid-column:1/-1}}
@media(max-width:560px){.directory-button{justify-self:start;width:44px;min-width:44px;max-width:44px}.notebook-grid{grid-template-columns:1fr;gap:11px}.notebook-card:last-child{grid-column:auto}.notebook-card{padding:20px}}
@media(min-width:801px){.search-panel{padding-top:104px}}