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.tb-product-multi-head{max-width:780px;margin:0 auto 32px;text-align:center}
.tb-product-multi-head>span{color:#f4d68a;font-size:14px;font-weight:700;letter-spacing:.08em}
.tb-product-multi-head h2{margin:8px 0 12px;color:#fff!important;font-size:clamp(30px,4vw,42px);line-height:1.45}
.tb-product-multi-head p{margin:0;color:#f7faf5!important;font-size:17px;line-height:1.9}
.tb-product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.tb-product-card{overflow:hidden;background:#fff;color:#34433a;border-radius:4px;box-shadow:0 10px 26px rgba(21,43,31,.18)}
.tb-product-card-image{display:flex;align-items:flex-end;min-height:190px;padding:20px;background-size:cover;background-position:center 42%}
.tb-product-card-image-2{background-position:center 56%}.tb-product-card-image-3{background-position:35% center}.tb-product-card-image-4{background-position:70% center}
.tb-product-card-image span{padding:7px 11px;background:rgba(38,61,47,.88);color:#f4d68a;font-size:14px;font-weight:700;letter-spacing:.08em}
.tb-product-card-copy{display:flex;min-height:315px;padding:26px 25px 28px;flex-direction:column;align-items:flex-start}
.tb-product-card-copy h3{margin:0 0 10px;color:#4f604d;font-family:var(--serif);font-size:25px;font-weight:500;line-height:1.5}
.tb-product-card-copy p{margin:0 0 13px;color:#58675d!important;font-size:16px;line-height:1.8}
.tb-product-card-copy>b{display:block;margin-top:auto;margin-bottom:15px;color:#3e4f43;font-size:18px}
.tb-product-card-copy .ot-btn{min-width:200px;color:#fff;font-size:15px}
.tb-product-card-copy i{margin-left:7px;font-style:normal}
.tb-product-guide-multi>small{display:block;margin-top:20px;color:#e2e9df;font-size:14px;text-align:center}
.tb-related-head{text-align:center;max-width:760px;margin:0 auto 34px}
.tb-related-head>span{font-size:14px;line-height:1.4;letter-spacing:.18em;color:#a17e43;font-weight:700}
.tb-related-head h2{margin:8px 0 12px;font-size:clamp(30px,4vw,42px);color:#4f604d}
.tb-related-head p{margin:0 auto;max-width:680px;font-size:17px;line-height:1.8;color:#687466}
.tb-related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.tb-related-card{display:flex;flex-direction:column;min-width:0;background:#f4f1e9;border:1px solid #d9ddd3;transition:transform .2s,box-shadow .2s}
.tb-related-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(73,89,69,.15)}
.tb-related-image{height:190px;background-size:cover;background-position:center}
.tb-related-copy{display:flex;flex:1;flex-direction:column;padding:25px 26px 27px}
.tb-related-copy>span{font-size:14px;line-height:1.5;color:#9a7440;font-weight:700;letter-spacing:.08em}
.tb-related-copy h3{margin:7px 0 10px;font-family:var(--serif);font-size:27px;font-weight:500;line-height:1.45;color:#455543}
.tb-related-copy p{margin:0 0 18px;font-size:16px;line-height:1.8;color:#5b675a}
.tb-related-copy b{margin-top:auto;font-size:15px;color:#526750}
.tb-related-copy i{font-style:normal;color:#a17e43;margin-left:5px}
.tb-library-group{scroll-margin-top:30px}.tb-library-group+.tb-library-group{margin-top:72px}.tb-library-group-head{display:flex;align-items:center;gap:22px;margin:0 0 25px;padding-bottom:18px;border-bottom:1px solid #cbd3c8}.tb-library-group-head>span{display:flex;width:58px;height:58px;align-items:center;justify-content:center;background:#596b57;color:#f4d68a;font-family:var(--serif);font-size:22px}.tb-library-group-head h2{margin:0;color:#455543;font-family:var(--serif);font-size:32px;font-weight:500}.tb-library-group-head p{margin:5px 0 0;color:#687466;font-size:16px;line-height:1.7}.tb-library-group .tb-card-body p{min-height:98px}
@media(max-width:800px){.tb-related{padding:42px 22px 30px}.tb-related-grid{grid-template-columns:1fr}.tb-related-head p{font-size:16px}.tb-related-image{height:180px}.tb-related-copy{padding:22px}.tb-related-copy h3{font-size:25px}.tb-related-copy p{font-size:16px}}
@media(max-width:800px){.tb-product-guide{grid-template-columns:1fr}.tb-product-image{min-height:230px}.tb-product-copy{padding:35px 25px 38px}.tb-product-copy p{font-size:17px}.tb-product-copy small{font-size:13px}}
@media(max-width:800px){.tb-product-guide-multi{padding:40px 20px 30px}.tb-product-grid{grid-template-columns:1fr}.tb-product-multi-head p{font-size:17px}.tb-product-card-copy{min-height:0}.tb-product-card-copy>b{margin-top:8px}.tb-product-card-image{min-height:175px}}
@media(max-width:800px){.tb-library-group+.tb-library-group{margin-top:52px}.tb-library-group-head{align-items:flex-start}.tb-library-group-head>span{width:48px;height:48px;flex:0 0 48px}.tb-library-group-head h2{font-size:27px}.tb-library-group-head p{font-size:15px}.tb-library-group .tb-card-body p{min-height:0}}

/* Searchable textbook library */
.tb-archive-hero .ot-container{position:relative}.tb-archive-stat{display:inline-flex;align-items:baseline;gap:11px;margin-top:24px;padding:11px 17px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08)}.tb-archive-stat strong{color:#f0cf86;font-family:var(--serif);font-size:31px;font-weight:500;line-height:1}.tb-archive-stat span{color:#eef4ee;font-size:15px}.tb-archive-search-jump{display:flex;position:absolute;right:0;bottom:4px;align-items:center;gap:12px;color:#fff;font-size:16px;font-weight:700}.tb-archive-search-jump span{display:flex;width:38px;height:38px;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.55);border-radius:50%;color:#f0cf86}.tb-type-card{position:relative;display:flex;min-height:310px;padding:31px 30px 28px;flex-direction:column;background:#fff;border-top:4px solid var(--gold);box-shadow:0 12px 32px rgba(25,53,40,.06);transition:transform .2s,box-shadow .2s}.tb-type-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(25,53,40,.14)}.tb-type-number{color:var(--gold);font-family:var(--serif);font-size:19px}.tb-type-count{position:absolute;top:27px;right:28px;padding:4px 10px;background:#edf1e9;color:#4e6757;font-size:14px;font-weight:700}.tb-type-card h3{font-size:27px}.tb-type-card p{font-size:17px;line-height:1.85}.tb-type-card b{margin-top:auto;padding-top:20px;color:var(--green);font-size:16px}.tb-type-card i{margin-left:5px;color:var(--gold);font-style:normal}.tb-starter{padding:88px 0;background:#fff}.tb-section-heading{display:flex;align-items:end;justify-content:space-between;gap:35px;margin-bottom:35px}.tb-section-heading h2{margin:8px 0 0;color:var(--deep);font-family:var(--serif);font-size:clamp(30px,4vw,44px);font-weight:400}.tb-section-heading>p{max-width:410px;margin:0;color:var(--muted);font-size:17px;line-height:1.85}.tb-starter .tb-card-image{position:relative}.tb-starter .tb-card-image>span{position:absolute;left:18px;bottom:17px;padding:5px 10px;background:rgba(22,57,45,.9);color:#f0cf86;font-size:14px;font-weight:700;letter-spacing:.08em}.tb-search-panel{margin:0 0 30px;padding:30px;background:#fff;border:1px solid #d6ddd1;box-shadow:0 14px 35px rgba(24,55,42,.07)}.tb-search-panel label,.tb-search-panel legend{color:#344b3e;font-size:16px;font-weight:700}.tb-search-keyword>div{display:flex;margin-top:8px}.tb-search-keyword input{width:100%;min-height:56px;padding:0 18px;border:1px solid #aebbad;border-right:0;border-radius:0;background:#fff;color:#26362d;font-size:18px}.tb-search-keyword button,.tb-filter-submit{min-height:56px;padding:0 26px;border:0;background:#2e6752;color:#fff;font-size:16px;font-weight:700;cursor:pointer}.tb-type-filter{margin:26px 0 22px;padding:0;border:0}.tb-type-filter>div{display:flex;gap:8px;flex-wrap:wrap;margin-top:9px}.tb-type-filter label{cursor:pointer}.tb-type-filter input{position:absolute;opacity:0;pointer-events:none}.tb-type-filter span{display:flex;min-height:46px;align-items:center;padding:0 17px;border:1px solid #aebbad;background:#fff;color:#405147;font-size:16px;font-weight:600}.tb-type-filter input:checked+span{border-color:#315f4e;background:#315f4e;color:#fff}.tb-type-filter input:focus-visible+span{outline:3px solid #d4b36d;outline-offset:2px}.tb-select-filters{display:grid;grid-template-columns:1fr 1fr auto;gap:14px;align-items:end}.tb-select-filters label{display:flex;gap:7px;flex-direction:column}.tb-select-filters select{width:100%;min-height:52px;padding:0 42px 0 14px;border:1px solid #aebbad;border-radius:0;background:#fff;color:#26362d;font-size:16px}.tb-filter-submit{min-height:52px}.tb-results-head{display:flex;align-items:center;justify-content:space-between;margin:31px 0 22px;padding-bottom:18px;border-bottom:1px solid #c5cec1}.tb-results-head>div{display:flex;align-items:baseline;gap:10px}.tb-results-head strong{color:#315f4e;font-family:var(--serif);font-size:35px;font-weight:500}.tb-results-head span{color:#56645b;font-size:17px}.tb-results-head>a{color:#315f4e;font-size:15px;font-weight:700;border-bottom:1px solid #829789}.tb-library-grid .tb-article-card{display:flex;min-width:0;flex-direction:column}.tb-library-grid .tb-card-body{display:flex;flex:1;flex-direction:column}.tb-library-grid .tb-card-body>b{margin-top:auto}.tb-card-tags{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 11px}.tb-card-tags i{padding:3px 8px;background:#eef1e9;color:#596a5d;font-size:13px;font-style:normal}.tb-pagination{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:42px}.tb-pagination .page-numbers{display:flex;min-width:48px;height:48px;align-items:center;justify-content:center;padding:0 13px;background:#fff;border:1px solid #b7c2b4;color:#3e5548;font-size:16px;font-weight:700}.tb-pagination .current{border-color:#315f4e;background:#315f4e;color:#fff}.tb-no-results{padding:48px 30px;background:#fff;text-align:center}.tb-no-results strong{display:block;color:var(--deep);font-family:var(--serif);font-size:27px}.tb-no-results p{margin:8px auto 22px;color:var(--muted);font-size:17px}.tb-library .tb-card-body p{font-size:17px;line-height:1.85}.tb-library .tb-card-body>b{font-size:16px}
@media(max-width:900px){.tb-select-filters{grid-template-columns:1fr 1fr}.tb-filter-submit{grid-column:1/-1}.tb-archive-search-jump{position:static;margin-top:28px}}
@media(max-width:800px){.tb-archive-hero .ot-container{display:block}.tb-archive-hero p br{display:none}.tb-archive-stat{margin-top:18px}.tb-type-card{min-height:0}.tb-section-heading{display:block}.tb-section-heading>p{margin-top:15px}.tb-starter{padding:64px 0}.tb-search-panel{padding:22px 18px}.tb-search-keyword>div{display:block}.tb-search-keyword input{min-height:54px;border-right:1px solid #aebbad}.tb-search-keyword button{width:100%;margin-top:8px}.tb-select-filters{grid-template-columns:1fr}.tb-filter-submit{grid-column:auto}.tb-results-head{align-items:flex-start;gap:12px;flex-direction:column}.tb-type-filter span{padding:0 13px}.tb-library-grid .tb-card-image{height:220px}.tb-pagination .page-numbers{min-width:46px;height:46px}}
@media(max-width:470px){.tb-type-filter>div{display:grid;grid-template-columns:1fr 1fr}.tb-type-filter span{justify-content:center}.tb-archive-stat strong{font-size:28px}.tb-archive-stat span{font-size:14px}}

/* Migrated visual textbooks */
.tb-slide--legacy{min-height:0;padding:62px 34px 42px;justify-content:flex-start}.tb-slide--legacy>h2{padding:0 30px}.tb-legacy-visual{margin:0;background:#f4f1e8;border:1px solid #dce1d8}.tb-legacy-visual>a{display:block;background:#eeece5}.tb-legacy-visual img{display:block;width:100%;height:auto;margin:0 auto}.tb-legacy-visual figcaption{display:flex;gap:15px;align-items:flex-start;padding:16px 20px;color:#536159;font-size:16px;line-height:1.8}.tb-legacy-visual figcaption span{flex:0 0 auto;color:#9b743d;font-size:14px;font-weight:700;letter-spacing:.12em}.tb-source-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px!important}.tb-source-actions .ot-btn{min-height:52px;font-size:15px;text-decoration:none!important}.tb-slide--legacy+.tb-slide--legacy{margin-top:30px}
@media(max-width:800px){.tb-slide--legacy{padding:56px 12px 24px}.tb-slide--legacy>h2{padding:0 12px}.tb-legacy-visual figcaption{display:block;padding:14px 12px;font-size:16px}.tb-legacy-visual figcaption span{display:block;margin-bottom:5px}.tb-source-actions{display:block}.tb-source-actions .ot-btn{display:flex;width:100%;margin:8px 0;padding:10px 15px;text-align:center}}

/* Verified textbook paths, classification map and editorial notes */
.tb-reading-paths{padding:82px 0;background:#e8eee7}.tb-reading-paths h2,.tb-tea-map h2,.tb-glossary h2{margin:9px 0 32px;color:var(--deep);font-family:var(--serif);font-size:clamp(30px,4vw,44px);font-weight:400}.tb-path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tb-path-card{display:flex;min-height:250px;padding:30px;flex-direction:column;background:#fff;border-left:5px solid #b69255;box-shadow:0 12px 30px rgba(28,58,44,.08)}.tb-path-card>span{color:#9b743d;font-size:14px;font-weight:700;letter-spacing:.14em}.tb-path-card h3{margin:15px 0 9px;color:var(--deep);font-family:var(--serif);font-size:27px;font-weight:500}.tb-path-card p{margin:0;color:#59675e;font-size:17px;line-height:1.85}.tb-path-card b{margin-top:auto;padding-top:17px;color:#315f4e;font-size:16px}.tb-tea-map{padding:80px 0;background:#fff}.tb-tea-map-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.tb-tea-map-grid a,.tb-tea-map-grid>span{display:flex;min-height:120px;padding:20px;align-items:flex-start;justify-content:center;flex-direction:column;background:#193f33;color:#fff}.tb-tea-map-grid .is-pending{background:#dfe4dc;color:#536159}.tb-tea-map-grid b{font-family:var(--serif);font-size:22px}.tb-tea-map-grid small{margin-top:7px;color:#e2c27e;font-size:15px}.tb-tea-map-grid .is-pending small{color:#737f77}.tb-glossary{padding:80px 0;background:#f5f1e8}.tb-glossary-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.tb-glossary-grid section{padding:25px;background:#fff;border-top:3px solid #b69255}.tb-glossary-grid b{color:var(--deep);font-family:var(--serif);font-size:21px}.tb-glossary-grid p{margin:8px 0 0;color:#59675e;font-size:17px;line-height:1.85}.tb-select-filters{grid-template-columns:repeat(4,minmax(0,1fr)) auto}.tb-hierarchy{display:flex;gap:14px;align-items:center;margin:0 0 24px;padding:16px 18px;background:#f5f1e8!important;color:#44554b!important;font-size:17px!important}.tb-hierarchy b{color:#8d6c39;white-space:nowrap}.tb-editorial-note,.tb-safety-note{margin:45px 0 0;padding:30px 32px;background:#f3f0e8;border-left:5px solid #a98144}.tb-safety-note{background:#fff3dc;border-left-color:#ad6b32}.tb-editorial-note h2,.tb-safety-note h2{margin:0 0 12px!important;font-size:25px!important}.tb-editorial-note p,.tb-safety-note p{margin:8px 0!important;font-size:17px!important;line-height:1.85!important}.tb-source-actions{margin-bottom:20px!important}.single-tea_textbook .ot-table{width:100%;border-collapse:collapse}.single-tea_textbook .ot-table th,.single-tea_textbook .ot-table td{padding:15px 16px;border:1px solid #d7ddd4;text-align:left;vertical-align:top}.single-tea_textbook .ot-table th{background:#eef1e9;color:#334b3e}.single-tea_textbook .ot-table td{background:#fff}
@media(max-width:1050px){.tb-select-filters{grid-template-columns:1fr 1fr}.tb-filter-submit{grid-column:1/-1}}
@media(max-width:800px){.tb-reading-paths,.tb-tea-map,.tb-glossary{padding:60px 0}.tb-path-grid,.tb-tea-map-grid,.tb-glossary-grid{grid-template-columns:1fr}.tb-path-card{min-height:0}.tb-select-filters{grid-template-columns:1fr}.tb-filter-submit{grid-column:auto}.tb-hierarchy{display:block}.tb-hierarchy b{display:block;margin-bottom:4px}.single-tea_textbook .ot-table,.single-tea_textbook .ot-table tbody,.single-tea_textbook .ot-table tr,.single-tea_textbook .ot-table th,.single-tea_textbook .ot-table td{display:block;width:100%}.single-tea_textbook .ot-table thead{display:none}.single-tea_textbook .ot-table tr{margin-bottom:12px;border:1px solid #d7ddd4}.single-tea_textbook .ot-table th,.single-tea_textbook .ot-table td{border:0;border-bottom:1px solid #d7ddd4}.tb-editorial-note,.tb-safety-note{padding:25px 21px}}