/* Editorial knowledge imagery. Original product images always stay intact on white. */
.k21-enhanced{--k21-ink:#17291e;--k21-green:#407e43;--k21-red:#cb0f33;--k21-line:#dce5d6}
.k21-enhanced .k21-visual,.k21-enhanced .k21-visual *{box-sizing:border-box}
.k21-enhanced .k21-visual{display:block;min-width:0;width:100%;max-width:none;margin:0;padding:0;overflow:hidden;background:#fff;border:1px solid var(--k21-line);border-radius:10px;box-shadow:0 20px 48px #17351c0b;align-self:center}
.k21-enhanced .k21-scene{position:relative;isolation:isolate;overflow:hidden;background:#eef2e9}
.k21-enhanced .k21-scene::after{content:"";position:absolute;inset:auto 0 0;height:3px;background:linear-gradient(90deg,var(--k21-red) 0 26%,var(--k21-green) 26% 100%);pointer-events:none}
.k21-enhanced .k21-scene>img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;object-position:center;margin:0;padding:0;border:0;border-radius:0;filter:none;mix-blend-mode:normal}
.k21-enhanced .k21-product-panel{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:12px;align-items:center;padding:10px 20px 10px 10px;background:#fff;color:var(--k21-ink)}
.k21-enhanced .k21-product-panel .k21-product-image{display:block;min-width:0;width:100%;height:205px;max-height:none;object-fit:contain;object-position:center;margin:0;padding:0;border:0;border-radius:0;background:#fff;filter:none;mix-blend-mode:normal}
.k21-enhanced .k21-product-copy{display:flex;flex-direction:column;gap:9px;min-width:0;padding:16px 0}
.k21-enhanced .k21-product-copy>span,.k21-enhanced .k21-pair-label{font-size:9px;font-weight:600;letter-spacing:.11em;line-height:1.6;text-transform:uppercase;color:#5d7056}
.k21-enhanced .k21-product-copy>strong{font-size:clamp(17px,1.7vw,23px);font-weight:600;letter-spacing:-.035em;line-height:1.25;color:var(--k21-ink);overflow-wrap:break-word}
.k21-enhanced .k21-product-copy>small{font-size:10px;line-height:1.6;color:#6b7864}
.k21-enhanced .k21-example-status{margin-top:7px;padding-top:12px;border-top:1px solid #dce5d6;color:#315e36}
.k21-enhanced .k21-example-status>span{display:block;font-size:8px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;line-height:1.5}
.k21-enhanced .k21-example-status>strong{display:block;font-size:11px;font-weight:600;line-height:1.55;margin-block:5px;color:#315e36}
.k21-enhanced .k21-example-status>strong>span{display:inline-grid;place-items:center;width:16px;height:16px;margin-right:3px;border-radius:50%;background:#eaf3e4;color:#315e36;font-size:10px}
.k21-enhanced .k21-example-status>small{display:block;font-size:8px;line-height:1.6;color:#697561}
.k21-enhanced .k21-product-pair{display:block;padding:17px 20px 16px}
.k21-enhanced .k21-pair-label{display:block;margin-bottom:5px}
.k21-enhanced .k21-accessories{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.k21-enhanced .k21-accessory{min-width:0;text-align:center}
.k21-enhanced .k21-accessory .k21-product-image{height:170px}
.k21-enhanced .k21-accessory>strong{display:block;font-size:12px;font-weight:600;line-height:1.5;color:var(--k21-ink)}
.k21-enhanced .k21-visual>.k21-caption{margin:0;padding:11px 16px 12px;border-top:1px solid #e4ebdf;background:#fff;font-size:10px;letter-spacing:0;line-height:1.65;color:#62705b;text-align:left}
.k21-enhanced .k21-split{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);gap:clamp(28px,4.5vw,66px);align-items:center}
.k21-enhanced .k21-copy{min-width:0}
.k21-enhanced .k21-hero h1{font-size:clamp(42px,4.7vw,67px);line-height:1.07}
.w20.k21-enhanced .w20-hero-grid{padding-block:29px 48px}
.w20.k21-enhanced .w20-hero-visual{width:100%;max-width:none;margin:0;padding:0}
.w20.k21-enhanced .w20-hero-copy{min-width:0}
.w20.k21-enhanced .w20-lead{font-size:16px;line-height:1.8}
.kw.k21-enhanced .kw-learning-intro{padding-block:38px 58px}
.kw.k21-enhanced .k21-copy>.kw-learning-lead{font-size:17px;line-height:1.8;margin:0;max-width:620px}
.kw.k21-enhanced .kw-learning-actions{gap:18px 22px}
.kw.k21-enhanced .kw-reading-grid{padding-block:42px 55px}
.kw.k21-enhanced .k21-basics-visual{min-width:0}
.kw.k21-enhanced .kw-number-visual.k21-emergency-note{display:grid;grid-template-columns:94px minmax(0,1fr);column-gap:18px;align-items:center;position:relative;margin-top:17px;padding:17px 0 0;border-top:1px solid #5a6d55;border-bottom:0}
.kw.k21-enhanced .k21-emergency-note>span{grid-column:2;font-size:10px;letter-spacing:.06em;line-height:1.5;color:#d3e4ca}
.kw.k21-enhanced .k21-emergency-note>strong{grid-column:1;grid-row:1/3;font-size:65px;line-height:1;color:#fff;letter-spacing:-.055em}
.kw.k21-enhanced .k21-emergency-note>p{grid-column:2;font-size:12px;line-height:1.6;margin:4px 0 0;color:#e2ecdd}
.kw.k21-enhanced .k21-emergency-note>svg{display:none}
.lh.k21-enhanced .lh-hero-layout.k21-hub-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px 58px;padding-block:35px 44px;align-items:center}
.lh.k21-enhanced .lh-hero h1{font-size:clamp(49px,5.6vw,77px)}
.lh.k21-enhanced .lh-paths{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:30px;margin-top:5px;padding-top:20px}
.lh.k21-enhanced .lh-paths-label,.lh.k21-enhanced .lh-paths-note{grid-column:1/-1}
.lh.k21-enhanced .lh-paths-label{margin-bottom:13px}
.lh.k21-enhanced .lh-path{min-height:99px;gap:16px;padding-block:20px}
.lh.k21-enhanced .lh-path-copy strong{font-size:27px}
.lh.k21-enhanced .lh-path-copy>span{font-size:11px}
.lh.k21-enhanced .lh-path-number{padding-top:6px}
.lh.k21-enhanced .lh-path>svg{width:20px;height:20px}
.lh.k21-enhanced .lh-paths-note{padding-block:13px 17px;margin-top:4px}
.le.k21-enhanced .le-hero-inner{padding-block:36px 52px}
.le.k21-enhanced .le-lead{font-size:17px;line-height:1.8}
.le.k21-enhanced .le-hero:after{display:none}
@media(max-width:1000px){
 .k21-enhanced .k21-split{gap:28px;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
 .k21-enhanced .k21-hero h1{font-size:clamp(40px,5vw,55px)}
 .k21-enhanced .k21-product-panel{padding-right:13px;gap:5px}
 .k21-enhanced .k21-product-panel .k21-product-image{height:175px}
 .k21-enhanced .k21-accessory .k21-product-image{height:145px}
 .k21-enhanced .k21-product-copy>strong{font-size:18px}
 .lh.k21-enhanced .lh-hero-layout.k21-hub-layout{gap:30px}
 .lh.k21-enhanced .lh-paths{column-gap:21px}
 .lh.k21-enhanced .lh-path{gap:10px}
 .lh.k21-enhanced .lh-path-copy strong{font-size:23px}
 .lh.k21-enhanced .lh-path-copy>span{font-size:10px}
}
@media(max-width:760px){
 .k21-enhanced .k21-split,.lh.k21-enhanced .lh-hero-layout.k21-hub-layout{grid-template-columns:minmax(0,1fr);gap:30px}
 .k21-enhanced .k21-hero h1{font-size:clamp(40px,8.4vw,62px)}
 .k21-enhanced .k21-visual{max-width:640px;margin-inline:auto;border-radius:8px}
 .w20.k21-enhanced .w20-hero-grid{padding-block:24px 32px;gap:30px}
 .w20.k21-enhanced .w20-hero-visual{max-width:640px;margin-inline:auto}
 .k21-enhanced .k21-product-panel{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:17px;padding:10px 25px 10px 13px}
 .k21-enhanced .k21-product-panel .k21-product-image{height:205px}
 .k21-enhanced .k21-product-copy>strong{font-size:23px}
 .k21-enhanced .k21-product-pair{display:block;padding:17px 22px}
 .k21-enhanced .k21-accessory .k21-product-image{height:180px}
 .kw.k21-enhanced .kw-learning-intro,.kw.k21-enhanced .kw-reading-grid,.le.k21-enhanced .le-hero-inner{padding-block:29px 42px}
 .kw.k21-enhanced .k21-copy>.kw-learning-lead,.le.k21-enhanced .le-lead{font-size:16px}
 .kw.k21-enhanced .kw-number-visual.k21-emergency-note{max-width:640px;margin-inline:auto;grid-template-columns:85px minmax(0,1fr)}
 .kw.k21-enhanced .k21-emergency-note>strong{font-size:58px}
 .lh.k21-enhanced .lh-hero h1{font-size:clamp(47px,9vw,65px)}
 .lh.k21-enhanced .lh-hero-layout.k21-hub-layout{padding-block:25px 34px}
 .lh.k21-enhanced .lh-paths{display:block;margin-top:0}
 .lh.k21-enhanced .lh-path{gap:20px;min-height:94px}
 .lh.k21-enhanced .lh-path-copy strong{font-size:28px}
 .lh.k21-enhanced .lh-path-copy>span{font-size:12px}
 .lh.k21-enhanced .lh-paths-note{margin-top:0}
}
@media(max-width:420px){
 .k21-enhanced .k21-hero h1{font-size:39px}
 .k21-enhanced .k21-product-panel{gap:10px;padding:8px 15px 8px 7px;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}
 .k21-enhanced .k21-product-panel .k21-product-image{height:165px}
 .k21-enhanced .k21-product-copy{gap:7px}
 .k21-enhanced .k21-product-copy>strong{font-size:19px}
 .k21-enhanced .k21-product-copy>span,.k21-enhanced .k21-pair-label{font-size:8px}
 .k21-enhanced .k21-product-copy>small{font-size:9px}
 .k21-enhanced .k21-product-pair{display:block;padding:13px}
 .k21-enhanced .k21-accessories{gap:10px}
 .k21-enhanced .k21-accessory .k21-product-image{height:145px}
 .k21-enhanced .k21-caption{font-size:9px}
 .kw.k21-enhanced .kw-number-visual.k21-emergency-note{column-gap:13px}
 .kw.k21-enhanced .k21-emergency-note>p{font-size:11px}
 .lh.k21-enhanced .lh-hero h1{font-size:46px}
}
@media print{
 .k21-enhanced .k21-visual{display:none!important}
 .k21-enhanced .k21-split,.lh.k21-enhanced .lh-hero-layout.k21-hub-layout{display:block}
 .kw.k21-enhanced .kw-number-visual.k21-emergency-note{display:none}
}