:root{--bg:#F3F6F9;--surface:#FFFFFF;--soft:#E8EEF5;--title:#0B1220;--text:#1E293B;--muted:#475569;--subtle:#64748B;--purple:#2563EB;--purple2:#60A5FA;--teal:#2563EB;--coral:#334155;--magenta:#60A5FA;--amber:#65A30D;--indigo:#1D4ED8;--border:rgba(37,99,235,.16);--shadow:0 14px 36px rgba(11,18,32,.08);--max:1180px}
*{box-sizing:border-box}html{overflow-x:hidden;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input{font:inherit}.skip-link{position:fixed;top:-80px;left:16px;z-index:9999;padding:10px 16px;background:var(--title);color:#fff;border-radius:999px}.skip-link:focus{top:12px}
.floating-header{position:fixed;z-index:1000;top:14px;left:0;right:0;padding:0 18px;pointer-events:none}.desktop-brandbar{pointer-events:auto;width:min(1080px,calc(100vw - 36px));height:64px;margin:auto;padding:8px 10px;display:grid;grid-template-columns:44px 1fr auto 1fr 44px;gap:8px;align-items:center;background:rgba(255,255,255,.95);border:1px solid var(--border);border-radius:999px;box-shadow:0 14px 36px rgba(11,18,32,.08);backdrop-filter:blur(16px)}.brandbar-links{display:flex;align-items:center;gap:5px;min-width:0}.brandbar-links.left{justify-content:flex-end}.brandbar-links.right{justify-content:flex-start}.nav-pill{min-height:44px;padding:0 11px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:999px;font-size:14px;color:var(--muted);white-space:nowrap}.nav-pill:hover,.nav-pill:focus-visible,.nav-pill.is-active{color:var(--purple);background:#fff;border-color:var(--purple);outline:none}.brand-center{height:48px;min-width:82px;max-width:118px;padding:4px 10px;display:flex;align-items:center;justify-content:center;border-radius:999px}.brand-center.is-active{background:var(--soft)}.brand-mark{object-fit:contain}.top-logo{max-width:98px;max-height:36px}.brand-fallback{font-size:18px;font-weight:900;color:var(--title);letter-spacing:.04em}.round-control{width:44px;height:44px;border:0;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--title);cursor:pointer}.round-control:hover,.round-control:focus-visible,.panel-close:hover,.panel-close:focus-visible{outline:3px solid rgba(37,99,235,.18);background:#fff}.drawer-open{gap:4px;align-content:center}.drawer-open span{display:block;width:16px;height:2px;border-radius:3px;background:var(--purple)}.search-open{font-size:24px}.mobile-brandbar{display:none}
.site-main{padding-top:112px}.page-shell{width:min(var(--max),calc(100% - 40px));margin:0 auto}.hero-shell{padding:34px 0 42px}.page-hero,.app-dock,.product-panel{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);gap:38px;align-items:center}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:12px;font-weight:900;letter-spacing:.09em}.eyebrow:before{content:"";width:24px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--purple),var(--teal))}.page-hero h1,.app-dock h1,.product-panel h1{margin:12px 0 18px;color:var(--title);font-size:clamp(38px,5.4vw,68px);line-height:1.06;letter-spacing:-.04em}.lead{max-width:780px;color:var(--muted);font-size:18px}.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.btn{min-height:46px;padding:0 20px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:850}.btn-primary{color:#fff;background:linear-gradient(135deg,#60A5FA 0%,#2563EB 50%,#1D4ED8 100%)}.btn-soft{color:var(--purple);background:#fff;border:1px solid var(--border)}.btn:hover,.btn:focus-visible{outline:3px solid rgba(37,99,235,.16);box-shadow:var(--shadow);transform:translateY(-1px)}
.media-slot{position:relative;min-height:280px;aspect-ratio:16/10;overflow:hidden;background:#fff;border:1px solid var(--border);border-radius:28px;box-shadow:var(--shadow)}.media-slot img{width:100%;height:100%;object-fit:cover}.media-fallback{position:absolute;inset:0;overflow:hidden;background:linear-gradient(145deg,#E8EEF5 0%,#F3F6F9 55%,#FFFFFF 100%)}.media-fallback i{position:absolute;border-radius:999px}.media-fallback i:nth-child(1){width:46%;aspect-ratio:1;left:-8%;top:-18%;background:rgba(37,99,235,.14)}.media-fallback i:nth-child(2){width:38%;aspect-ratio:1;right:-7%;top:12%;background:rgba(96,165,250,.16)}.media-fallback i:nth-child(3){width:56%;height:22%;left:23%;bottom:12%;transform:rotate(-7deg);background:linear-gradient(90deg,rgba(100,116,139,.12),rgba(37,99,235,.10))}
.section{padding:56px 0}.section+.section{border-top:1px solid rgba(124,58,237,.08)}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:26px}.section-head h2{margin:6px 0;color:var(--title);font-size:clamp(28px,4vw,44px);line-height:1.12;letter-spacing:-.025em}.section-head p{max-width:620px;margin:0;color:var(--muted)}.card,.term-section,.contact-card{padding:24px;background:#fff;border:1px solid var(--border);border-radius:24px;box-shadow:0 10px 28px rgba(11,18,32,.04)}.card h2,.card h3,.term-section h2,.contact-card h2{margin-top:0;color:var(--title)}.card p:last-child{margin-bottom:0}.card-link{min-height:44px;display:inline-flex;align-items:center;margin-top:8px;color:var(--purple);font-weight:850}.card-link:after{content:"→";margin-left:8px}.card-link:hover,.card-link:focus-visible{text-decoration:underline;text-underline-offset:5px;outline:none}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.tag{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:13px;font-weight:850}.tag:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--purple)}.tag.teal:before{background:var(--teal)}.tag.coral:before{background:var(--coral)}.tag.magenta:before{background:var(--magenta)}.tag.amber:before{background:var(--amber)}
.app-dock{padding:30px;background:rgba(255,255,255,.67);border:1px solid var(--border);border-radius:32px;box-shadow:var(--shadow)}.topic-track{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.topic-item{padding:18px;min-height:134px;background:#fff;border:1px solid var(--border);border-radius:22px}.topic-item h3{margin:7px 0 5px;color:var(--title);font-size:17px}.topic-item p{margin:0;color:var(--muted);font-size:14px}.topic-item a{min-height:44px;display:inline-flex;align-items:center;color:var(--purple);font-weight:850}.pulse-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;align-items:start}.number-index{position:sticky;top:106px;display:grid;gap:10px}.number-index a{min-height:58px;padding:8px 12px;display:grid;grid-template-columns:44px 1fr;align-items:center;background:#fff;border:1px solid var(--border);border-radius:18px}.number-index strong{color:var(--purple);font-size:22px}.pulse-main{display:grid;gap:18px}.pulse-main article{padding:28px;background:#fff;border:1px solid var(--border);border-radius:26px}.pulse-main h3{margin:12px 0 8px;color:var(--title);font-size:24px}.mosaic{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.mosaic-card{padding:22px;background:#fff;border:1px solid var(--border);border-radius:28px}.mosaic-card:first-child{grid-row:span 2}.mosaic-card .media-slot{min-height:210px;margin-bottom:18px}.mosaic-card:first-child .media-slot{min-height:440px;aspect-ratio:4/5}.split-feature{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.feature-card{overflow:hidden;background:#fff;border:1px solid var(--border);border-radius:28px}.feature-card .media-slot{border:0;border-radius:0;box-shadow:none}.feature-copy{padding:24px}.board-grid{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-flow:dense;gap:16px}.board-card{grid-column:span 4;min-height:190px;padding:22px;background:#fff;border:1px solid var(--border);border-radius:24px}.board-card.tall{grid-column:span 5;min-height:300px}.board-card.wide{grid-column:span 7}.board-card:nth-child(3){grid-column:span 3}.board-card h3{margin:6px 0 8px;color:var(--title)}.folder-list,.rank-list,.index-list,.steps,.terms,.qa-list{display:grid;gap:14px}.folder-row{padding:16px 18px;display:grid;grid-template-columns:58px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:20px}.folder-icon{position:relative;width:52px;height:40px;border-radius:10px 10px 12px 12px;background:linear-gradient(135deg,#E8EEF5,#DCE8F7)}.folder-icon:before{content:"";position:absolute;top:-6px;left:5px;width:22px;height:8px;border-radius:5px 5px 0 0;background:#C7D7F2}.folder-row h3{margin:0;color:var(--title)}.folder-row p{margin:2px 0 0;color:var(--muted);font-size:14px}.folder-row a{min-height:44px;display:inline-flex;align-items:center;color:var(--purple);font-weight:850}.rank-row{padding:20px;display:grid;grid-template-columns:92px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:24px}.rank-num{color:var(--purple);font-size:48px;font-weight:950;line-height:1}.rank-row:nth-child(2) .rank-num{color:var(--teal)}.rank-row:nth-child(3) .rank-num{color:var(--coral)}.rank-row:nth-child(4) .rank-num{color:var(--magenta)}.rank-row:nth-child(5) .rank-num{color:var(--amber)}.rank-row h3{margin:0;color:var(--title)}.rank-row p{margin:4px 0 0;color:var(--muted)}
.timeline{position:relative;padding-left:36px;display:grid;gap:16px}.timeline:before{content:"";position:absolute;left:13px;top:10px;bottom:10px;width:2px;background:linear-gradient(var(--purple),var(--teal),var(--coral))}.time-item{position:relative;padding:22px;background:#fff;border:1px solid var(--border);border-radius:24px}.time-item:before{content:"";position:absolute;left:-31px;top:28px;width:14px;height:14px;background:#fff;border:4px solid var(--purple);border-radius:50%}.time-item h3{margin:6px 0;color:var(--title)}.status{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--soft);color:var(--purple);font-size:12px;font-weight:900}.status.work{background:#E8FAF7;color:#0F766E}.status.wait{background:#FFF2E8;color:#C2410C}.prose{max-width:860px;margin:0 auto}.prose h2{margin-top:40px;color:var(--title);font-size:30px}.prose p{font-size:16px}.note{padding:20px 22px;background:#fff;border-left:4px solid var(--purple);border-radius:0 18px 18px 0;color:var(--muted)}.index-item{padding:16px;display:grid;grid-template-columns:56px 180px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:20px}.index-no{color:var(--purple);font-size:28px;font-weight:950}.index-item h3{margin:0;color:var(--title)}.index-item p{margin:0;color:var(--muted)}.index-item a{min-height:44px;display:inline-flex;align-items:center;color:var(--purple);font-weight:850}.step{padding:24px;display:grid;grid-template-columns:78px 1fr;gap:18px;background:#fff;border:1px solid var(--border);border-radius:24px}.step .step-no{color:var(--purple);font-size:32px;font-weight:950}.step h2{margin:0 0 8px;color:var(--title)}.term-section h2{font-size:24px}.qa-list details{padding:0 20px;background:#fff;border:1px solid var(--border);border-radius:20px}.qa-list summary{min-height:62px;display:flex;align-items:center;cursor:pointer;list-style:none;color:var(--title);font-weight:850}.qa-list summary::-webkit-details-marker{display:none}.qa-list summary:after{content:"+";margin-left:auto;color:var(--purple);font-size:24px}.qa-list details[open] summary:after{content:"–"}.qa-list details p{margin:0 0 18px;color:var(--muted)}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.product-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.product-point{padding:18px;background:#fff;border:1px solid var(--border);border-radius:20px}.product-point strong{display:block;color:var(--title);margin-bottom:5px}.product-point span{color:var(--muted);font-size:14px}.service-note{padding:22px;display:flex;gap:18px;align-items:flex-start;background:linear-gradient(135deg,#E8EEF5,#F3F6F9);border-radius:24px}.badge-slot{width:82px;min-width:82px;aspect-ratio:1;display:grid;place-items:center;overflow:hidden;background:#fff;border:1px solid var(--border);border-radius:22px}.badge-slot img{width:100%;height:100%;object-fit:contain}
.site-footer{margin-top:70px;padding:58px 20px 30px;background:#0B1220;color:#D6E4FF}.footer-inner{width:min(var(--max),100%);margin:auto}.footer-brand{padding-bottom:30px;display:flex;align-items:center;gap:20px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-logo{width:78px;min-width:78px;height:58px;padding:10px;display:grid;place-items:center;background:#fff;border-radius:18px}.footer-logo-img{max-width:100%;max-height:100%}.footer-logo .brand-fallback{font-size:14px}.footer-brand strong{display:block;font-size:24px}.footer-brand span{display:block;color:#B8C8E6;font-size:12px;letter-spacing:.16em}.footer-brand p{max-width:680px;margin:6px 0 0;color:#B8C8E6}.footer-grid{padding:34px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:30px}.footer-grid h2{margin:0 0 12px;color:#fff;font-size:14px}.footer-grid a{min-height:36px;display:flex;align-items:center;color:#B8C8E6;font-size:14px}.footer-grid a:hover,.footer-grid a:focus-visible{color:#fff;text-decoration:underline;outline:none}.footer-notice{padding:16px 18px;background:rgba(255,255,255,.07);border-radius:16px;color:#C8D7F1;font-size:14px}.footer-bottom{padding-top:22px;display:flex;flex-wrap:wrap;gap:18px;color:#AFC0DC;font-size:13px}.footer-bottom span{margin-right:auto}
.page-overlay{position:fixed;inset:0;z-index:1990;background:rgba(11,18,32,.34);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.page-overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}.site-drawer{position:fixed;z-index:2000;left:50%;bottom:0;width:min(720px,100%);max-height:78vh;overflow:auto;transform:translate(-50%,104%);visibility:hidden;pointer-events:none;background:#fff;border-radius:28px 28px 0 0;box-shadow:0 -20px 50px rgba(11,18,32,.12);transition:transform .25s,visibility .25s}.site-drawer.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;z-index:3;top:0;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.97);border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:12px}.drawer-logo{max-width:72px;max-height:34px}.drawer-brand strong{display:block;color:var(--title)}.drawer-brand small{display:block;color:var(--muted)}.panel-close{width:44px;height:44px;border:0;border-radius:50%;background:var(--soft);color:var(--title);font-size:25px;cursor:pointer}.drawer-groups{padding:20px 20px 34px;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.drawer-group{padding:16px;background:var(--bg);border-radius:20px}.drawer-group h2{margin:0 0 8px;color:var(--purple);font-size:14px}.drawer-group a{display:block;padding:11px;border-radius:14px}.drawer-group a:hover,.drawer-group a:focus-visible{background:#fff;outline:none}.drawer-group strong{display:block;color:var(--title);font-size:14px}.drawer-group span{display:block;margin-top:2px;color:var(--muted);font-size:12px;line-height:1.5}.search-layer{position:fixed;z-index:2010;top:90px;left:50%;width:min(760px,calc(100% - 32px));max-height:calc(100vh - 120px);overflow:auto;transform:translate(-50%,-14px);opacity:0;visibility:hidden;pointer-events:none;padding:24px;background:#fff;border:1px solid var(--border);border-radius:28px;box-shadow:var(--shadow);transition:.2s}.search-layer.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-head{display:flex;justify-content:space-between;gap:20px}.search-head h2{margin:4px 0 0;color:var(--title);font-size:26px}.search-box{margin-top:20px;padding:0 16px;display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--border);border-radius:999px}.search-box input{width:100%;min-height:52px;background:transparent;border:0;outline:0;color:var(--title)}.search-note{color:var(--muted);font-size:13px}.preset-grid{display:flex;flex-wrap:wrap;gap:10px}.preset-grid a{min-height:44px;padding:0 14px;display:inline-flex;align-items:center;background:var(--soft);color:var(--purple);border-radius:999px;font-weight:850}.preset-grid a:hover,.preset-grid a:focus-visible{background:#fff;outline:2px solid var(--purple)}.mobile-bottom-nav{display:none}
@media(max-width:1060px){.nav-pill{padding:0 8px;font-size:13px}.brandbar-links{gap:2px}.topic-track,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.floating-header{top:10px;padding:0 12px}.desktop-brandbar{display:none}.mobile-brandbar{pointer-events:auto;height:58px;padding:7px 9px;display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;background:rgba(255,255,255,.96);border:1px solid var(--border);border-radius:999px;box-shadow:0 12px 30px rgba(11,18,32,.08)}.mobile-logo{justify-self:center;height:42px;max-width:120px;display:grid;place-items:center}.mobile-logo-img{max-width:110px;max-height:34px}.mobile-app-link{min-width:58px;height:44px;display:inline-flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,var(--purple2),var(--purple),var(--teal));border-radius:999px;font-weight:850}.site-main{padding-top:88px}.page-shell{width:min(var(--max),calc(100% - 32px))}.page-hero,.app-dock,.product-panel{grid-template-columns:1fr}.page-hero .media-slot{order:-1}.app-dock{padding:22px}.grid-3{grid-template-columns:1fr 1fr}.pulse-layout{grid-template-columns:1fr}.number-index{position:static;grid-template-columns:repeat(4,1fr)}.number-index a{grid-template-columns:1fr;text-align:center}.mosaic{grid-template-columns:1fr}.mosaic-card:first-child{grid-row:auto}.mosaic-card:first-child .media-slot{min-height:260px;aspect-ratio:16/10}.board-card,.board-card.tall,.board-card.wide,.board-card:nth-child(3){grid-column:span 6}.index-item{grid-template-columns:54px 1fr}.index-item p,.index-item a{grid-column:2}.footer-grid{grid-template-columns:repeat(2,1fr)}.mobile-bottom-nav{position:fixed;z-index:1200;left:16px;right:16px;bottom:max(12px,env(safe-area-inset-bottom));height:52px;padding:5px 8px;display:grid;grid-template-columns:repeat(5,1fr);align-items:center;background:rgba(255,255,255,.96);border:1px solid var(--border);border-radius:999px;box-shadow:0 14px 34px rgba(11,18,32,.10);backdrop-filter:blur(14px)}.mobile-bottom-nav a{position:relative;min-height:42px;display:grid;place-items:center;color:var(--muted);font-size:12px;border-radius:999px}.mobile-bottom-nav a.is-active{color:var(--purple);font-weight:900}.mobile-bottom-nav a.is-active:after{content:"";position:absolute;bottom:2px;width:5px;height:5px;background:var(--purple);border-radius:50%}.site-footer{padding-bottom:calc(96px + env(safe-area-inset-bottom))}}
@media(max-width:620px){.page-hero h1,.app-dock h1,.product-panel h1{font-size:40px}.lead{font-size:16px}.section{padding:42px 0}.media-slot{min-height:220px;border-radius:22px}.topic-track,.grid-2,.grid-3,.grid-4,.split-feature,.contact-grid,.product-points{grid-template-columns:1fr}.number-index{grid-template-columns:repeat(2,1fr)}.folder-row{grid-template-columns:48px 1fr}.folder-row a{grid-column:2}.rank-row{grid-template-columns:64px 1fr}.rank-row>a{grid-column:2}.rank-num{font-size:38px}.board-card,.board-card.tall,.board-card.wide,.board-card:nth-child(3){grid-column:span 12;min-height:0}.drawer-groups{grid-template-columns:1fr}.search-layer{top:0;left:0;width:100%;height:100vh;max-height:none;transform:translateY(-10px);padding:calc(24px + env(safe-area-inset-top)) 18px 90px;background:var(--bg);border-radius:0}.search-layer.is-open{transform:none}.section-head{display:block}.section-head p{margin-top:8px}.step{grid-template-columns:56px 1fr;padding:20px}.footer-brand{align-items:flex-start}.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.footer-bottom span{width:100%}.service-note{flex-direction:column}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* 91APP electric-blue / slate navigation system */
.top-system{position:fixed;z-index:1500;top:0;left:0;right:0;background:#fff;box-shadow:0 8px 24px rgba(11,18,32,.05)}
.top-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.status-strip{height:32px;background:var(--slate,#334155);color:#fff}
.status-inner{height:32px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.status-brand{font-size:12px;font-weight:850;letter-spacing:.08em;color:#fff}
.status-search{min-width:60px;height:32px;padding:0;border:0;background:transparent;color:#fff;cursor:pointer;font-weight:800}
.status-search:hover,.status-search:focus-visible{outline:2px solid #fff;outline-offset:-4px;border-radius:7px}
.command-bar{height:60px;background:#fff;border-bottom:1px solid rgba(37,99,235,.10)}
.command-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}
.square-control{width:44px;height:44px;border:1px solid var(--border);background:var(--soft);border-radius:12px;display:grid;align-content:center;justify-content:center;gap:4px;cursor:pointer}
.square-control span{display:block;width:18px;height:2px;border-radius:2px;background:var(--purple)}
.square-control:hover,.square-control:focus-visible{outline:3px solid rgba(37,99,235,.16);background:#fff}
.command-logo{justify-self:center;min-width:94px;height:46px;padding:5px 12px;display:grid;place-items:center;border-radius:14px}
.command-logo.is-active{background:var(--soft)}
.command-logo-img{max-width:112px;max-height:32px;object-fit:contain}
.brand-fallback{font-size:19px;font-weight:950;color:var(--title);letter-spacing:.04em}
.command-app{justify-self:end;min-height:44px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:linear-gradient(135deg,#60A5FA 0%,#2563EB 52%,#1D4ED8 100%);color:#fff;font-weight:850;white-space:nowrap}
.command-app:hover,.command-app:focus-visible{outline:3px solid rgba(37,99,235,.18);outline-offset:2px}
.desktop-tabs{height:44px;background:#fff;border-bottom:1px solid var(--border)}
.tabs-inner{height:44px;display:flex;align-items:stretch;gap:30px}
.tab-link{position:relative;min-height:44px;display:inline-flex;align-items:center;color:var(--muted);font-size:14px;font-weight:800;white-space:nowrap}
.tab-link:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--purple);transform:scaleX(0);transform-origin:center;border-radius:3px 3px 0 0}
.tab-link:hover,.tab-link:focus-visible,.tab-link.is-active{color:var(--purple);outline:none}.tab-link.is-active:after,.tab-link:hover:after,.tab-link:focus-visible:after{transform:scaleX(1)}
.site-main{padding-top:158px}
.page-hero h1,.app-dock h1,.product-panel h1,.cover-card h1{font-size:clamp(28px,4vw,32px);line-height:1.2;letter-spacing:-.025em}
.lead{font-size:16px}.page-shell{width:min(var(--max),calc(100% - 32px))}
.card,.term-section,.contact-card,.pulse-main article,.mosaic-card,.board-card,.feature-card,.folder-row,.rank-row,.time-item,.index-item,.step,.qa-list details,.product-point{border-radius:18px}
.media-slot{border-radius:20px;background:#fff;min-height:240px}.media-slot img{object-fit:contain;background:#fff}.media-fallback{background:linear-gradient(145deg,#E8EEF5 0%,#F7FAFD 52%,#E3ECF8 100%)}
.btn-primary{background:linear-gradient(135deg,#60A5FA 0%,#2563EB 52%,#1D4ED8 100%)}
.btn-soft{background:#fff;color:var(--purple);border-color:var(--border)}
.section{padding:50px 0}.section+.section{border-top:1px solid rgba(37,99,235,.08)}
.section-head h2{font-size:clamp(26px,3.6vw,38px)}
.tag.teal:before,.tag.magenta:before{background:var(--purple2)}.tag.coral:before{background:var(--slate,#334155)}
.rank-row:nth-child(2) .rank-num,.rank-row:nth-child(4) .rank-num{color:var(--purple2)}.rank-row:nth-child(3) .rank-num{color:var(--slate,#334155)}.rank-row:nth-child(5) .rank-num{color:var(--amber)}
.timeline:before{background:linear-gradient(var(--purple),var(--purple2),var(--slate,#334155))}

/* home cover */
.cover-card{padding:30px;background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow)}
.cover-copy{max-width:820px}.cover-copy h1{margin:10px 0 14px;color:var(--title)}
.cover-media{margin-top:26px;width:100%;max-height:340px;aspect-ratio:16/5;min-height:220px}.cover-media img{width:100%;height:100%;object-fit:contain}
.theme-strips{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.theme-strip{min-height:82px;padding:15px 18px;display:grid;grid-template-columns:12px 120px 1fr;gap:12px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:16px}
.theme-strip>span{width:9px;height:9px;border-radius:50%;background:var(--purple);box-shadow:0 0 0 5px rgba(37,99,235,.08)}
.theme-strip strong{color:var(--title)}.theme-strip em{color:var(--muted);font-style:normal;font-size:14px}
.theme-strip:hover,.theme-strip:focus-visible{outline:3px solid rgba(37,99,235,.12);border-color:var(--purple)}
.beat-feature{display:grid;grid-template-columns:1fr minmax(300px,.8fr);gap:22px;align-items:stretch}.beat-copy{padding:24px;background:#fff;border:1px solid var(--border);border-radius:18px}.beat-copy p{margin:22px 0 0}.beat-numbers{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.beat-numbers a{min-height:78px;padding:12px;background:var(--soft);border-radius:14px;display:grid;align-content:center}.beat-numbers b{color:var(--purple);font-size:26px;line-height:1}.beat-numbers span{margin-top:6px;color:var(--title);font-weight:850}.beat-numbers a:hover,.beat-numbers a:focus-visible{outline:2px solid var(--purple);background:#fff}
.equal-content-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.equal-content-cards .feature-card{display:flex;flex-direction:column}.equal-content-cards .feature-card .media-slot{border:0;border-bottom:1px solid var(--border);border-radius:0;box-shadow:none;min-height:190px;aspect-ratio:16/10}.equal-content-cards .feature-copy{display:flex;flex:1;flex-direction:column}.equal-content-cards .card-link{margin-top:auto}
.stack-features{display:grid;gap:18px}.wide-feature{display:grid;grid-template-columns:1.1fr .9fr;gap:0;overflow:hidden;background:#fff;border:1px solid var(--border);border-radius:18px}.wide-feature .wide-copy{padding:28px}.wide-feature .media-slot{border:0;border-left:1px solid var(--border);border-radius:0;box-shadow:none;min-height:240px}.wide-feature:nth-child(even){grid-template-columns:.9fr 1.1fr}.wide-feature:nth-child(even) .wide-copy{order:2}.wide-feature:nth-child(even) .media-slot{order:1;border-left:0;border-right:1px solid var(--border)}
.mural-four{margin-top:16px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.mural-four a{min-height:138px;padding:20px;background:#fff;border:1px solid var(--border);border-radius:16px;display:flex;flex-direction:column;justify-content:space-between}.mural-four strong{color:var(--title);font-size:18px}.mural-four span{margin-top:14px;color:var(--muted);font-size:14px}.mural-four a:hover,.mural-four a:focus-visible{outline:2px solid var(--purple)}
.compact-folders{margin-top:16px}.phone-wrap{position:relative}.phone-wrap .badge-slot{position:absolute;right:16px;bottom:16px;box-shadow:var(--shadow);z-index:2}.badge-slot{border-radius:16px}.badge-slot span{color:var(--purple);font-weight:950;font-size:22px}
.long-card{min-height:100%}.brand-statement{padding:34px;background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow)}.brand-statement h2{margin:8px 0 14px;color:var(--title);font-size:clamp(27px,4vw,40px);line-height:1.2}

/* full-screen mosaic directory */
.page-overlay{position:fixed;inset:0;z-index:1900;background:rgba(11,18,32,.36);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.page-overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}
.site-mosaic{position:fixed;z-index:2000;inset:0;background:#F3F6F9;transform:translateY(-102%);visibility:hidden;pointer-events:none;transition:transform .26s ease,visibility .26s;display:flex;flex-direction:column}
.site-mosaic.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}
.mosaic-topbar{min-height:76px;padding:14px max(16px,calc((100vw - var(--max))/2));display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--border)}
.mosaic-brand{display:flex;align-items:center;gap:14px}.mosaic-logo{max-width:104px;max-height:34px}.mosaic-brand strong{display:block;color:var(--title);font-size:18px}.mosaic-brand small{display:block;color:var(--muted)}
.panel-close{width:44px;height:44px;border:1px solid var(--border);border-radius:12px;background:var(--soft);color:var(--title);font-size:26px;cursor:pointer}.panel-close:hover,.panel-close:focus-visible{outline:3px solid rgba(37,99,235,.14);background:#fff}
.mosaic-scroll{flex:1;overflow-y:auto;padding:24px 16px 40px}.mosaic-groups{width:min(var(--max),100%);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.mosaic-group{padding:20px;background:#fff;border:1px solid var(--border);border-radius:18px}.mosaic-group h2{margin:0 0 12px;color:var(--purple);font-size:15px}.mosaic-group a{display:block;padding:12px;border-radius:13px}.mosaic-group a:hover,.mosaic-group a:focus-visible{background:var(--soft);outline:none}.mosaic-group strong{display:block;color:var(--title);font-size:15px}.mosaic-group span{display:block;margin-top:3px;color:var(--muted);font-size:12px;line-height:1.55}.mosaic-service{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.mosaic-service h2{grid-column:1/-1}

.search-layer{position:fixed;z-index:2010;top:100px;left:50%;width:min(760px,calc(100% - 32px));max-height:calc(100vh - 120px);overflow:auto;transform:translate(-50%,-16px);opacity:0;visibility:hidden;pointer-events:none;padding:24px;background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:0 22px 54px rgba(11,18,32,.16);transition:.2s}.search-layer.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-box{background:var(--soft);border-radius:14px}.preset-grid a{background:var(--soft);color:var(--purple);border-radius:999px}.preset-grid a:hover,.preset-grid a:focus-visible{background:#fff;outline:2px solid var(--purple)}

.site-footer{background:#0B1220;color:#D6E4FF}.footer-logo{border-radius:14px}.footer-brand span,.footer-brand p,.footer-grid a{color:#B8C8E6}.footer-notice{color:#C8D7F1}.footer-bottom{color:#AFC0DC}
.mobile-bottom-nav{display:none}

@media(max-width:860px){
  .desktop-tabs{display:none}.site-main{padding-top:112px}.top-inner{width:calc(100% - 24px)}
  .command-inner{grid-template-columns:44px 1fr auto;gap:10px}.command-logo{min-width:0;max-width:128px}.command-logo-img{max-width:106px}.command-app{padding:0 14px}
  .theme-strips{grid-template-columns:1fr}.beat-feature{grid-template-columns:1fr}.equal-content-cards{grid-template-columns:1fr}.wide-feature,.wide-feature:nth-child(even){grid-template-columns:1fr}.wide-feature:nth-child(even) .wide-copy,.wide-feature:nth-child(even) .media-slot{order:initial}.wide-feature .media-slot,.wide-feature:nth-child(even) .media-slot{border-left:0;border-right:0;border-top:1px solid var(--border)}
  .mural-four{grid-template-columns:repeat(2,1fr)}.mosaic-groups{grid-template-columns:repeat(2,1fr)}.mosaic-service{grid-column:1/-1;grid-template-columns:repeat(2,1fr)}
  .mobile-bottom-nav{position:fixed;z-index:1600;left:16px;right:16px;bottom:max(10px,env(safe-area-inset-bottom));height:50px;padding:4px 8px;display:grid;grid-template-columns:repeat(5,1fr);align-items:center;background:rgba(255,255,255,.97);border:1px solid var(--border);border-radius:18px;box-shadow:0 12px 30px rgba(11,18,32,.14);backdrop-filter:blur(12px)}
  .mobile-bottom-nav a{min-height:42px;display:grid;place-items:center;color:var(--muted);font-size:12px;border-radius:12px}.mobile-bottom-nav a.is-active{background:var(--purple);color:#fff;font-weight:900}.site-footer{padding-bottom:calc(90px + env(safe-area-inset-bottom))}
}
@media(max-width:620px){
  .status-inner{width:calc(100% - 24px)}.status-brand{font-size:11px}.command-app{font-size:13px}.command-logo{justify-self:center}.page-shell{width:calc(100% - 32px)}
  .cover-card{padding:20px}.cover-media{aspect-ratio:16/9;min-height:180px}.beat-numbers{grid-template-columns:repeat(2,1fr)}.mural-four{grid-template-columns:1fr}.theme-strip{grid-template-columns:12px 1fr}.theme-strip em{grid-column:2}.mosaic-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.mosaic-group{padding:14px}.mosaic-group a{padding:10px 8px}.mosaic-service{grid-template-columns:repeat(2,minmax(0,1fr));grid-column:1/-1}.mosaic-service h2{grid-column:1/-1}.search-layer{top:0;left:0;width:100%;height:100vh;max-height:none;border:0;border-radius:0;transform:translateY(-10px);padding:calc(20px + env(safe-area-inset-top)) 16px 90px;background:var(--bg)}.search-layer.is-open{transform:none}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.hero-art{position:relative;min-height:280px;aspect-ratio:16/10;overflow:hidden;border:1px solid var(--border);border-radius:20px;background:linear-gradient(145deg,#FFFFFF 0%,#E8EEF5 55%,#DCE8F7 100%);box-shadow:var(--shadow)}
.hero-art span{position:absolute;display:block;background:rgba(37,99,235,.12)}.hero-art span:nth-child(1){width:46%;aspect-ratio:1;border-radius:50%;right:-8%;top:-20%}.hero-art span:nth-child(2){width:48%;height:12px;left:12%;top:46%;border-radius:10px;background:#2563EB}.hero-art span:nth-child(3){width:32%;height:12px;left:12%;top:58%;border-radius:10px;background:#60A5FA}