#gold-concept .learn-main{max-width:1120px;margin:auto;padding:38px 26px 64px;color:#1b293e}
#gold-concept .learn-hero{padding:42px;border-radius:22px;background:radial-gradient(ellipse at 0 0,#33455c,#19263b 75%);color:#fff}
#gold-concept .learn-kicker{font-size:13px;color:#dec27d}
#gold-concept .learn-hero h1{font-size:42px;line-height:1.65;margin:15px 0}
#gold-concept .learn-hero em{font-style:normal;color:#e4c574}
#gold-concept .learn-hero p{max-width:650px;font-size:16px;line-height:2;color:#c3ccd8}
#gold-concept .learn-meta{font-size:12px;color:#a9b6c5;margin-top:24px}
#gold-concept .learn-meta span{margin:0 10px;color:#cfad56}
#gold-concept .learn-topics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:22px 0}
#gold-concept .learn-topics a{display:flex;gap:12px;align-items:center;padding:18px 15px;text-decoration:none;background:#fdfcf8;border:1px solid #e4dccb;border-radius:11px;color:#314056;font-size:13px}
#gold-concept .learn-topics b{color:#b48b2e;font-size:20px}
#gold-concept .learn-notice{padding:16px 20px;border-inline-start:3px solid #c5a34b;background:#f5f0e2;border-radius:8px;color:#88764b;font-size:13px;line-height:1.9;margin:24px 0}
#gold-concept .learn-article{padding:38px 44px;margin-top:26px;background:#fdfcf8;border:1px solid #e7dfcf;border-radius:18px;scroll-margin-top:24px}
#gold-concept .learn-article-heading{display:block;background:transparent;border:0;box-shadow:none;padding:0;margin:0 0 28px;width:auto;min-height:0}
#gold-concept .learn-number{font-size:13px;color:#a27b27}
#gold-concept .learn-article h2{font-size:27px;line-height:1.7;margin:10px 0}
#gold-concept .learn-article-heading p{color:#929790;margin:0}
#gold-concept .learn-article h3{font-size:20px;margin:28px 0 12px}
#gold-concept .learn-article p,#gold-concept .learn-article li{font-size:15px;line-height:2.15;color:#697582}
#gold-concept .learn-article ul{padding-inline-start:24px}
#gold-concept .learn-formula{margin:22px 0;padding:20px 24px;background:#eee8d8;border-radius:10px;color:#826320;font-weight:600;font-size:15px;line-height:2}
#gold-concept .learn-table{overflow-x:auto;margin:22px 0}
#gold-concept .learn-table table{border-collapse:collapse;width:100%;text-align:right;font-size:14px;min-width:430px}
#gold-concept .learn-table th{padding:14px;background:#203048;color:#e6cb81;font-weight:600}
#gold-concept .learn-table td{padding:15px 14px;border-bottom:1px solid #e4dfd3}
#gold-concept .learn-total{background:#f0ead9;color:#9c7522;font-weight:700}
#gold-concept .learn-directions{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}
#gold-concept .learn-directions>div{padding:24px;background:#f3f0e7;border-radius:12px}
#gold-concept .learn-directions small{color:#a37c26}
#gold-concept .learn-directions h3{margin:10px 0}
#gold-concept .learn-tool{display:inline-block;text-decoration:none;padding:12px 19px;background:#1c2b41;color:#ebd18c;border-radius:9px;font-size:14px;margin-top:18px}
#gold-concept .learn-article .learn-source{font-size:12px;border-top:1px solid #e5dfd2;padding-top:18px;margin-top:25px}
#gold-concept .learn-source a{color:#a47d2a;text-underline-offset:4px}
#gold-concept .learn-bottom{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:32px;margin-top:28px;border-radius:16px;background:#f1ecdf}
#gold-concept .learn-bottom h2{font-size:24px;margin:0 0 10px}
#gold-concept .learn-bottom p{font-size:14px;color:#78828d;margin:0;line-height:1.9}
#gold-concept .learn-bottom>a{white-space:nowrap;color:#926b1e;font-size:14px}
#gold-concept .learn-main a:focus-visible{outline:3px solid #bb953b;outline-offset:4px}
@media(max-width:800px){#gold-concept .learn-topics{grid-template-columns:1fr 1fr}#gold-concept .learn-article{padding:28px}}
@media(max-width:550px){#gold-concept .learn-main{padding:24px 16px 40px}#gold-concept .learn-hero{padding:28px 24px}#gold-concept .learn-hero h1{font-size:32px}#gold-concept .learn-topics a{padding:15px 10px;font-size:12px}#gold-concept .learn-article{padding:24px 19px}#gold-concept .learn-article h2{font-size:23px}#gold-concept .learn-directions{grid-template-columns:1fr}#gold-concept .learn-bottom{align-items:flex-start;flex-direction:column;padding:24px}}

#gold-concept .learn-hero h1{color:#f7f5ef}

#gold-concept .lesson-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:25px 0}
#gold-concept .lesson-card{display:flex;flex-direction:column;text-decoration:none;padding:30px;background:#fdfcf8;border:1px solid #e4dccb;border-radius:16px;color:#1b293e;scroll-margin-top:25px}
#gold-concept .lesson-card:hover{border-color:#b58c32;box-shadow:0 8px 24px #1b293e0d}
#gold-concept .lesson-number{color:#ad842b;font-size:24px;font-weight:800}
#gold-concept .lesson-card h2{font-size:22px;line-height:1.8;margin:10px 0}
#gold-concept .lesson-card p,#gold-concept .learning-path p{color:#647181;font-size:15px;line-height:2}
#gold-concept .lesson-link{color:#977020;margin-top:auto;padding-top:16px}
#gold-concept .learning-path{padding:24px 0 0}
#gold-concept .learning-path h2,#gold-concept .article-related h2{font-size:24px}
#gold-concept .article-main{max-width:1000px}
#gold-concept .article-main .learn-hero h1{font-size:34px;line-height:1.8}
#gold-concept .article-crumb{font-size:13px;line-height:2;margin-bottom:20px;color:#697582}
#gold-concept .article-crumb a{color:#826320}
#gold-concept .learn-article h2{margin-top:32px}
#gold-concept .learn-article ol{padding-inline-start:25px}
#gold-concept .article-faq{border-top:1px solid #e4dccb;margin-top:30px;padding-top:10px}
#gold-concept .article-faq details{border-bottom:1px solid #e4dccb;padding:18px 0}
#gold-concept .article-faq summary{cursor:pointer;font-weight:700;line-height:1.9}
#gold-concept .article-faq p{margin-bottom:0}
#gold-concept .article-method,#gold-concept .learn-article .article-method{font-size:12px;color:#697582;line-height:2.1;margin-top:28px}
#gold-concept .article-method a{color:#826320}
#gold-concept .article-related{margin:30px 0}
#gold-concept .article-related>a{display:block;padding:15px 0;border-bottom:1px solid #e4dccb;color:#826320;line-height:1.9}
@media(max-width:600px){#gold-concept .lesson-grid{grid-template-columns:1fr}#gold-concept .lesson-card{padding:24px}#gold-concept .article-main .learn-hero h1{font-size:27px}}