/* B2 tutorials index (/blog/, /blog/page/N/), from design/b2/boards/B2-Tutorials.dc.html. */
.b2-blog{margin:0;background:#FFFFFF;color:#3B4558;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.6}
.b2-blog main a{color:#5B6B8C}
.b2-blog main a:hover{color:#46557A}
.b2-blog :focus-visible{outline:2px solid #1A2233;outline-offset:2px}

/* hero: the pale ground, search, the reader's place, the eight tracks */
.b2b-hero{background:#F5F7FA;border-bottom:1px solid #E1E5EB}
.b2b-hero-in{max-width:1200px;margin:0 auto;padding:64px 40px 56px;box-sizing:border-box;display:flex;flex-wrap:wrap;gap:40px 64px;align-items:flex-end}
.b2b-hero-sm .b2b-hero-in{padding:48px 40px 44px}
.b2b-hero-main{flex:1 1 600px;min-width:0}
.b2b-eyebrow{margin:0 0 12px;font-size:14px;font-weight:500;color:#5E6878}
.b2b-eyebrow a{color:#5E6878 !important;text-decoration:underline;text-decoration-color:#CFD5DE;text-underline-offset:3px}
.b2b-hero h1{margin:0 0 18px;font-family:Newsreader,Georgia,serif;font-weight:400;font-size:58px;line-height:1.04;letter-spacing:-.022em;color:#1A2233;text-wrap:balance}
.b2b-hero-sm h1{font-size:44px}
.b2b-lead{margin:0 0 28px;max-width:34em;font-size:19px;line-height:1.55;text-wrap:pretty}
.b2b-hero-sm .b2b-lead{margin:0}
.b2b-search{position:relative;max-width:620px}
.b2b-search>svg{position:absolute;left:18px;top:18px;color:#5E6878;pointer-events:none}
.b2b-search input{width:100%;min-height:56px;box-sizing:border-box;padding:0 56px 0 50px;border:1px solid #CFD5DE;border-radius:12px;background:#FFFFFF;color:#1A2233;font:inherit;font-size:17px;box-shadow:0 1px 2px rgba(26,34,51,.04);-webkit-appearance:none;appearance:none}
.b2b-search input:focus{outline:none;border-color:#5B6B8C;box-shadow:0 0 0 3px rgba(91,107,140,.18)}
.b2b-search input::-webkit-search-cancel-button{display:none}
.b2b-search kbd{position:absolute;right:16px;top:17px;padding:0 7px;border:1px solid #CFD5DE;border-radius:4px;background:#F5F7FA;font-family:Inter,system-ui,sans-serif;font-size:12px;line-height:20px;color:#5E6878}
.b2b-results{position:absolute;left:0;right:0;top:calc(100% + 8px);z-index:20;max-height:420px;overflow-y:auto;padding:6px;border:1px solid #E1E5EB;border-radius:12px;background:#FFFFFF;box-shadow:0 2px 6px rgba(26,34,51,.06),0 18px 44px rgba(26,34,51,.12)}
.b2b-results a{display:block;padding:10px 12px;border-radius:8px;color:#1A2233 !important;text-decoration:none}
.b2b-results a:hover,.b2b-results a[aria-selected="true"]{background:#F5F7FA}
.b2b-results b{display:block;font-weight:500}
.b2b-results small{display:block;margin-top:2px;font-size:13px;line-height:1.45;color:#5E6878}
.b2b-results p{margin:0;padding:12px;font-size:14px;color:#5E6878}
.b2b-try{margin:14px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;font-size:14px;color:#5E6878}
.b2b-try button{padding:0;border:0;background:none;font:inherit;color:#3B4558;text-decoration:underline;text-decoration-color:#CFD5DE;text-underline-offset:3px;cursor:pointer}
.b2b-try button:hover{color:#1A2233;text-decoration-color:#5B6B8C}

.b2b-reading{flex:0 1 380px;min-width:0;box-sizing:border-box;padding:22px 24px;border-radius:16px;background:#FFFFFF;border:1px solid #E1E5EB;box-shadow:0 1px 2px rgba(26,34,51,.04),0 14px 36px rgba(26,34,51,.07)}
.b2b-k{margin:0 0 14px;font-size:13px;font-weight:500;color:#5E6878}
.b2b-rtrack{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.b2b-rtrack p{margin:0;line-height:1.35}
.b2b-rtrack b{display:block;font-weight:500;color:#1A2233}
.b2b-rtrack span{font-size:14px;color:#5E6878}
.b2b-num{width:44px;height:44px;flex:none;border-radius:10px;display:flex;align-items:center;justify-content:center;font-family:Newsreader,Georgia,serif;font-size:17px}
.b2b-bar{height:4px;border-radius:999px;background:#E1E5EB;margin-bottom:18px}
.b2b-bar>div{height:4px;border-radius:999px;background:#5B6B8C;transition:width .4s ease}
.b2b-next{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px solid #ECEFF3;color:inherit !important;text-decoration:none}
.b2b-next>span{flex:1;min-width:0;line-height:1.35}
.b2b-k2{display:block;font-size:12px;color:#5E6878}
.b2b-next b{font-size:15px;font-weight:500;color:#1A2233}
.b2b-next svg{flex:none;color:#5E6878}
.b2b-next:hover b{text-decoration:underline;text-decoration-color:#CFD5DE;text-underline-offset:3px}

.b2b-tracks-in{max-width:1200px;margin:0 auto;padding:0 40px 72px;box-sizing:border-box}
.b2b-tracks-in h2{margin:0 0 16px;font-size:15px;font-weight:600;color:#1A2233}
.b2b-tracks{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.b2b-track{display:flex;align-items:center;gap:14px;height:100%;box-sizing:border-box;padding:16px;border-radius:12px;background:#FFFFFF;border:1px solid #E1E5EB;color:inherit !important;text-decoration:none;transition:border-color .15s ease,box-shadow .15s ease}
.b2b-track:hover{border-color:#CFD5DE;box-shadow:0 1px 2px rgba(26,34,51,.04),0 8px 24px rgba(26,34,51,.06)}
.b2b-track-t{flex:1;min-width:0;line-height:1.35}
.b2b-track-t b{display:block;font-weight:500;color:#1A2233}
.b2b-track-t span{font-size:14px;color:#5E6878}

/* the list and the aside */
.b2b-wrap{max-width:1200px;margin:0 auto;padding:56px 40px 96px;box-sizing:border-box;display:flex;flex-wrap:wrap;gap:48px}
.b2b-latest{flex:999 1 640px;min-width:0}
.b2b-latest-h{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 16px;margin-bottom:18px}
.b2b-latest-h h2{margin:0;font-family:Newsreader,Georgia,serif;font-weight:400;font-size:34px;line-height:1.2;letter-spacing:-.01em;color:#1A2233}
.b2b-latest-h p{margin:0;font-size:14px;color:#5E6878}
.b2b-filters{margin:0 0 8px;padding:0 0 20px;list-style:none;display:flex;flex-wrap:wrap;gap:8px;border-bottom:1px solid #E1E5EB}
.b2b-filters a{display:inline-flex;align-items:center;min-height:36px;box-sizing:border-box;padding:0 14px;border-radius:999px;border:1px solid #CFD5DE;color:#1A2233 !important;text-decoration:none;font-size:14px}
.b2b-filters a:hover{background:#F5F7FA}
.b2b-filters a.on{border-color:#1A2233;background:#1A2233;color:#FFFFFF !important;font-weight:500}
.b2b-list{margin:0;padding:0;list-style:none}
.b2b-list>li{border-bottom:1px solid #ECEFF3}
.b2b-item{display:flex;gap:28px;padding:24px 0;color:inherit !important;text-decoration:none}
.b2b-item time{width:72px;flex:none;padding-top:3px;font-size:14px;line-height:1.35;color:#5E6878}
.b2b-item time b{display:block;font-weight:500;color:#1A2233}
.b2b-body{flex:1;min-width:0}
.b2b-tag{display:inline-block;margin-bottom:8px;padding:1px 10px;border-radius:999px;font-size:13px}
.b2b-title{display:block;margin-bottom:6px;font-family:Newsreader,Georgia,serif;font-size:24px;line-height:1.25;color:#1A2233;text-wrap:pretty}
.b2b-item:hover .b2b-title{text-decoration:underline;text-decoration-color:#CFD5DE;text-underline-offset:4px;text-decoration-thickness:1px}
.b2b-desc{display:block;max-width:40em;font-size:15px;line-height:1.55}
.b2b-meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:4px 16px;font-size:13px;color:#5E6878}
.b2b-run{display:inline-flex;align-items:center;gap:5px;color:#1A2233}
.b2b-read{display:inline-flex;align-items:center;gap:5px;color:#245E49}
.b2b-pager{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.b2b-pager p{margin:0;font-size:14px;color:#5E6878}
.b2b-pager div{display:flex;flex-wrap:wrap;gap:8px}
.b2b-pager a{min-width:40px;height:40px;box-sizing:border-box;padding:0 6px;display:flex;align-items:center;justify-content:center;gap:4px;border-radius:8px;border:1px solid #CFD5DE;color:#1A2233 !important;text-decoration:none;font-size:14px}
.b2b-pager a:hover{background:#F5F7FA}
.b2b-pager a.on{border-color:#1A2233;background:#1A2233;color:#FFFFFF !important;font-weight:500}
.b2b-pager a.b2b-step{padding:0 12px}
.b2b-gap{width:28px;display:flex;align-items:center;justify-content:center;color:#5E6878}

.b2b-aside{flex:1 1 300px;min-width:0;display:flex;flex-direction:column;gap:20px}
.b2b-card{padding:24px;border-radius:14px;border:1px solid #E1E5EB;background:#FFFFFF}
.b2b-card h2{margin:0 0 4px;font-family:Newsreader,Georgia,serif;font-weight:400;font-size:22px;line-height:1.25;color:#1A2233}
.b2b-card>p{margin:0 0 14px;font-size:14px;color:#5E6878}
.b2b-sets{background:#F5F7FA}
.b2b-sets ul{margin:0;padding:0;list-style:none;font-size:15px}
.b2b-sets li{border-top:1px solid #E1E5EB}
.b2b-sets li a{display:flex;justify-content:space-between;gap:12px;padding:10px 0;color:#1A2233 !important;text-decoration:none;line-height:1.4}
.b2b-sets li a:hover span:first-child{text-decoration:underline;text-decoration-color:#CFD5DE;text-underline-offset:3px}
.b2b-st{flex:none;max-width:42%;font-size:13px;color:#5E6878;text-align:right}
.b2b-all{display:block;padding-top:12px;border-top:1px solid #E1E5EB;font-size:14px;color:#3B4558 !important}
.b2b-course{box-shadow:0 1px 2px rgba(26,34,51,.04),0 10px 28px rgba(26,34,51,.05)}
.b2b-course .b2b-k{margin:0 0 4px}
.b2b-course h2{margin-bottom:10px}
.b2b-course>p:not(.b2b-k){margin:0 0 18px;font-size:15px;color:#3B4558}
.b2b-course .b2-btn{width:100%;min-height:44px;box-sizing:border-box;justify-content:center;color:#FFFFFF !important}
.b2b-news{border:0;background:#ECEFF3}
.b2b-news>p{color:#3B4558}
.b2b-news input[type=email]{width:100%;min-height:44px;box-sizing:border-box;padding:0 14px;margin-bottom:10px;border:1px solid #CFD5DE;border-radius:8px;background:#FFFFFF;color:#1A2233;font:inherit;font-size:15px}
.b2b-news button{width:100%;min-height:44px;border:0;border-radius:8px;background:#1A2233;color:#FFFFFF;font:inherit;font-weight:500;cursor:pointer}
.b2b-news button:hover{background:#2A3447}
.b2b-news .b2ft-msg{margin:10px 0 0;font-size:14px;color:#245E49}
.b2b-news .b2ft-msg:empty{display:none}
.b2b-news .b2ft-msg.err{color:#B42318}

/* tablets */
@media (max-width:1080px){
  .b2b-tracks{grid-template-columns:repeat(2,minmax(0,1fr))}
  .b2b-reading{flex-basis:100%}
  .b2b-aside{flex-basis:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .b2b-aside .b2b-sets{grid-row:span 2}
}
/* phones */
@media (max-width:640px){
  .b2b-hero-in{padding:36px 20px 32px;gap:28px}
  .b2b-hero-sm .b2b-hero-in{padding:32px 20px 28px}
  .b2b-hero h1{font-size:40px;line-height:1.06}
  .b2b-hero-sm h1{font-size:32px}
  .b2b-lead{font-size:17px;margin-bottom:22px}
  .b2b-search input{min-height:52px;font-size:16px}
  .b2b-search>svg{top:16px}
  .b2b-search kbd{display:none}
  .b2b-reading{padding:18px 18px}
  .b2b-tracks-in{padding:0 20px 44px}
  .b2b-tracks{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .b2b-track{flex-direction:column;align-items:flex-start;gap:8px;padding:12px}
  .b2b-track-t b{font-size:14.5px;line-height:1.3}
  .b2b-track-t span{font-size:13px}
  .b2b-num{width:36px;height:36px;border-radius:9px;font-size:15px}
  .b2b-wrap{padding:40px 20px 64px;gap:36px}
  .b2b-latest-h h2{font-size:28px}
  /* the track links stay on one scrolling row */
  .b2b-filters{flex-wrap:nowrap;overflow-x:auto;margin:0 -20px 8px;padding:2px 20px 16px;scrollbar-width:none}
  .b2b-filters::-webkit-scrollbar{display:none}
  .b2b-filters li{flex:none}
  .b2b-item{flex-direction:column;gap:6px;padding:20px 0}
  .b2b-item time{width:auto;padding:0;font-size:13px}
  .b2b-item time b{display:inline;margin-right:4px}
  .b2b-title{font-size:21px}
  .b2b-pager{justify-content:center}
  .b2b-pager p{width:100%;text-align:center}
  .b2b-aside{display:flex}
}
@media (prefers-reduced-motion:reduce){.b2b-track,.b2b-bar>div{transition:none}}