/* Readable plugin and video catalog, shared by the homepage and /lessons. */
.learn .learn-heading{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.8fr);gap:70px;align-items:end;margin:50px 0 48px}
.learn-heading h2{font-size:clamp(42px,4.5vw,66px);line-height:1.08;letter-spacing:-.05em}
.learn-heading p{font-size:18px;line-height:1.75;color:#b8c1b1;max-width:570px}
.learn-heading-links{display:flex;gap:20px 28px;flex-wrap:wrap;margin-top:24px}
.learn-heading-links a{display:inline-flex;gap:10px;align-items:center;font-size:16px;color:#eef0e6;border-bottom:1px solid #808c7355;padding-bottom:5px}
.learn-heading-links .icon{width:19px;height:19px;color:var(--red)}
.resource-hub{--resource-surface:#1a201b;--resource-border:#6b796043;--resource-muted:#b8c1b1;color:#f1f0eb;min-width:0}
.resource-tab-bar{display:flex;gap:10px;border-bottom:1px solid var(--resource-border);padding:0 0 20px;flex-wrap:wrap}
.resource-tab{display:inline-flex;align-items:center;gap:14px;background:transparent;color:#c5cdbf;font-size:17px;font-weight:500;line-height:1.4;padding:14px 20px;min-height:52px;border:1px solid var(--resource-border);border-radius:2px;transition:background .15s,color .15s,border-color .15s}
.resource-tab:hover{color:#fff;border-color:#a7b59b}
.resource-tab[aria-selected="true"]{background:#f1f0eb;color:#151b15;border-color:#f1f0eb}
.resource-tab-count{font:14px/1.3 var(--mono);opacity:.8}
.resource-search-row{display:flex;align-items:center;justify-content:space-between;gap:25px;margin:25px 0 38px}
.resource-search{display:flex;gap:15px;align-items:center;background:#111610;border:1px solid var(--resource-border);padding:13px 17px;width:min(100%,560px);min-height:54px}
.resource-search:focus-within{outline:2px solid var(--red);outline-offset:3px}
.resource-search>.icon{width:22px;height:22px;flex-shrink:0;color:#b2beaa}
.resource-search input{background:transparent;color:#f1f0eb;border:0;outline:0;min-width:0;width:100%;font-size:17px;line-height:1.5}
.resource-search input::placeholder{color:#a4b09b;opacity:1}
.resource-result-count{color:var(--resource-muted);font-size:15px;line-height:1.6;white-space:nowrap}
.resource-panel{outline-offset:8px;scroll-margin-top:130px}
.resource-panel+.resource-panel{margin-top:50px}
.resource-panel[hidden],.resource-card[hidden],.resource-empty[hidden]{display:none}
.resource-panel-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:45px;margin-bottom:29px}
.resource-panel-heading h3{font-size:28px;line-height:1.3;letter-spacing:-.025em;font-weight:500;max-width:470px}
.resource-panel-heading p{font-size:18px;line-height:1.7;color:var(--resource-muted);max-width:560px}
.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}
.resource-card{background:var(--resource-surface);border:1px solid var(--resource-border);display:flex;flex-direction:column;min-width:0;transition:border-color .2s}
.resource-card:hover{border-color:#a6b19b}
.resource-media{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#28362a}
.resource-media img,
.resource-media video{width:100%;height:100%;display:block;object-fit:cover;transition:transform .35s}
.resource-media:hover img,
.resource-media:hover video{transform:scale(1.025)}
.resource-source{position:absolute;left:14px;bottom:14px;background:#11170eef;padding:6px 11px;font-size:14px;line-height:1.4;border:1px solid #d0dcc655;color:#fff}
.resource-play{position:absolute;right:15px;bottom:15px;display:grid;place-items:center;background:#c31f2a;border-radius:50%;width:44px;height:44px;color:white}
.resource-play .icon{width:25px;height:25px}
.resource-card-body{padding:25px;display:flex;flex-direction:column;flex:1;min-width:0}
.resource-meta{display:flex;gap:10px;flex-wrap:wrap;font-size:14px;line-height:1.6;color:#bdc8b4;margin-bottom:12px}
.resource-meta .translation-badge{margin-top:0;color:#ffd7d9;border-color:#cb7d83}
.resource-card h3{font-size:25px;line-height:1.25;font-weight:600;letter-spacing:-.035em;overflow-wrap:anywhere}
.resource-card h3 a:hover{color:#ff6269}
.resource-card p{font-size:18px;line-height:1.7;color:var(--resource-muted);margin-top:17px;margin-bottom:28px}
.resource-actions{display:flex;align-items:center;gap:15px 20px;flex-wrap:wrap;margin-top:auto}
.resource-button{display:inline-flex;align-items:center;justify-content:space-between;gap:16px;min-height:46px;padding:11px 15px;background:#f1f0eb;border:1px solid #f1f0eb;color:#192216;font-size:16px;line-height:1.45;font-weight:500;text-decoration:none}
.resource-button:hover{background:#fff;border-color:#fff}
.resource-button .icon{width:20px;height:20px;flex-shrink:0}
.resource-secondary{display:inline-flex;align-items:center;gap:9px;min-height:44px;font-size:15px;line-height:1.5;color:#e6edde;border-bottom:1px solid #a3b19555}
.resource-secondary:hover{color:#fff;border-color:#fff}
.resource-secondary .icon{width:21px;height:21px;flex-shrink:0}
.resource-graphic{display:flex;align-items:center;justify-content:space-between;padding:36px;position:absolute;inset:0;background:linear-gradient(125deg,#324b37,#17221a);color:#9eb99c}
.resource-graphic>span{font:clamp(45px,5vw,75px)/1 var(--mono);letter-spacing:-.08em}
.resource-graphic>.icon{width:65px;height:65px;stroke-width:1}
.resource-graphic--guide{background:linear-gradient(130deg,#31342b,#1a2118);color:#b3b99e}
.resource-empty{border:1px solid var(--resource-border);padding:40px;text-align:center;margin-top:24px}
.resource-empty h3{font-size:28px;line-height:1.3}
.resource-empty p{font-size:18px;color:var(--resource-muted);line-height:1.7;margin:15px 0 22px}
.resource-hub:not(.is-enhanced) .resource-tab-bar,.resource-hub:not(.is-enhanced) .resource-search-row{display:none}
.resource-catalog-footer{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;border-top:1px solid var(--resource-border,#6b796043);padding-top:28px;margin-top:38px;color:#b8c1b1;font-size:16px;line-height:1.6}
.resource-catalog-footer a{color:#f1f0eb;border-bottom:1px solid #a5b39766;padding-bottom:5px}
.resource-archive{padding:35px 0 90px;background:#101610}
.entry-resource-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:28px}
.entry-resource-actions .resource-secondary{font-size:17px}
html[lang="zh-Hans"] .resource-card h3{line-height:1.4;letter-spacing:0}
@media(max-width:1180px){.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.learn .learn-heading{gap:40px}.resource-card h3{font-size:26px}.resource-panel-heading{gap:30px}.resource-panel-heading p{max-width:50%}}
@media(max-width:700px){.learn .learn-heading{grid-template-columns:1fr;gap:25px;margin:35px 0}.learn-heading h2{font-size:43px}.learn-heading p{font-size:17px}.learn-heading-links{gap:16px 23px}.resource-tab-bar{gap:8px;padding-bottom:17px}.resource-tab{gap:9px;padding:12px 13px;font-size:16px;flex:1 0 auto;justify-content:center}.resource-tab-count{font-size:14px}.resource-search-row{flex-direction:column;gap:14px;align-items:stretch;margin:22px 0 30px}.resource-search{width:100%}.resource-result-count{font-size:14px}.resource-panel-heading{flex-direction:column;gap:14px;margin-bottom:24px}.resource-panel-heading h3{font-size:27px}.resource-panel-heading p{max-width:100%;font-size:17px}.resource-grid{grid-template-columns:1fr;gap:23px}.resource-card-body{padding:23px}.resource-card h3{font-size:26px}.resource-card p{font-size:17px}.resource-empty{padding:28px 20px}.resource-empty p{font-size:17px}.resource-catalog-footer{align-items:flex-start;flex-direction:column;font-size:16px}.resource-archive{padding-top:25px;padding-bottom:55px}.resource-panel{scroll-margin-top:105px}}
@media(prefers-reduced-motion:reduce){.resource-media img,.resource-media video{transition:none}.resource-media:hover img,.resource-media:hover video{transform:none}}

.resource-media video{pointer-events:none}