.blog-page{background:#f5f6f6;color:#24282a}
.blog-page .nav-outer{position:relative;top:auto;padding:0;background:#fff;border-bottom:1px solid #eceeee}
.blog-page .nav{max-width:1200px;margin:0 auto;border:0;border-radius:0;box-shadow:none;background:#fff;min-height:78px}
.blog-magazine{padding:0 20px 80px;margin:0;max-width:none}
.blog-magazine [hidden]{display:none!important}
.blog-magazine .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.blog-hero .crumbs ol{display:flex;gap:9px;list-style:none;padding:0;margin:0}.blog-hero .crumbs li+li:before{content:'/';margin-right:9px;color:#a4ada7}.blog-hero .crumbs a{color:inherit;text-decoration:none}
.blog-hero{margin:0 -20px;background:linear-gradient(135deg,#eef1f0 0%,#fafbfa 45%,#e6ece9 100%);position:relative;padding:26px 20px 88px;text-align:center;overflow:hidden}
.blog-hero:before,.blog-hero:after{content:'';position:absolute;width:440px;height:440px;border:1px solid #dfe5e2;transform:rotate(35deg);pointer-events:none}
.blog-hero:before{left:-170px;top:-235px}.blog-hero:after{right:-90px;top:65px}
.blog-hero-inner{max-width:1200px;margin:auto;position:relative;z-index:1}.blog-hero .crumbs{margin:0 0 35px;text-align:left;font-size:11px}.blog-wordmark{font-family:Georgia,'Times New Roman',serif;font-size:clamp(32px,4vw,54px);font-weight:400;letter-spacing:.16em;margin:0;line-height:1.4}.blog-subtitle{font-size:13px;letter-spacing:.08em;margin:12px 0 0}
.blog-sheet{max-width:1200px;margin:-40px auto 0;padding:0 40px 56px;background:#fff;position:relative}
.blog-categories{display:grid;grid-template-columns:repeat(7,1fr);margin:0 -40px 40px;background:#fafafa;min-height:65px;border-bottom:1px solid #e4e7e5}
.blog-categories a{display:flex;align-items:center;justify-content:center;text-align:center;border-right:1px solid #eceeed;border-bottom:3px solid #abc6bd;color:#4b5350;text-decoration:none;font-size:12px;font-weight:600;padding:16px 8px}
.blog-categories a:nth-child(3n+2){border-bottom-color:#85adb9}.blog-categories a:nth-child(3n){border-bottom-color:#d2b48e}.blog-categories a[aria-current]{background:#eaf4ef;color:#196950}.blog-categories a:hover{background:#f0f5f2}
.blog-columns{display:grid;grid-template-columns:minmax(0,1fr) 238px;gap:36px}.blog-main{min-width:0}.blog-sidebar{border-left:1px solid #e5e8e6;padding-left:28px;min-width:0}
.blog-pickup{position:relative;margin:0 0 42px}.blog-pickup-slide{display:grid;grid-template-columns:1.6fr 1fr;min-height:350px;background:#f7f8f7}.blog-pickup-image{display:flex;align-items:center;background:#eff5f2;overflow:hidden}.blog-pickup-image img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}.blog-pickup-copy{padding:24px 22px;display:flex;flex-direction:column;align-items:flex-start}.blog-pickup-copy h2,.blog-sidebar h2{font-family:Georgia,'Times New Roman',serif;font-weight:400;letter-spacing:.06em;font-size:25px;margin:0 0 20px;color:#28745c}.blog-pickup-copy h2 span,.blog-sidebar h2 span{display:block;font-family:system-ui,sans-serif;letter-spacing:0;font-size:10px;margin-top:6px;color:#727875}.blog-pickup-copy h3{font-size:18px;line-height:1.7;margin:17px 0 12px}.blog-pickup-copy h3 a{color:inherit;text-decoration:none}.blog-pickup-copy>p{font-size:12px;line-height:1.9;margin:0 0 22px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.blog-card-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;margin-top:auto;font-size:11px;color:#7a817d}.blog-slider-controls{display:flex;justify-content:space-between;align-items:center;margin-top:13px}.blog-slider-controls>button{border:1px solid #dfe6e2;background:white;width:34px;height:32px;cursor:pointer}.blog-slider-controls>div{display:flex;gap:12px}.blog-slider-controls>div button{width:9px;height:9px;border:0;border-radius:50%;background:#d5dbd8;padding:0;cursor:pointer}.blog-slider-controls>div button[aria-pressed=true]{background:#28745c}.blog-slider-controls button:focus-visible{outline:2px solid #28745c;outline-offset:4px}
.blog-author{display:flex;align-items:center;gap:8px;font-size:9px;line-height:1.5;color:#69716c}.blog-author b{font-size:11px;font-weight:500;display:block;color:#3a453f}.blog-avatar{display:grid;place-items:center;width:30px;height:30px;background:#d7e9df;color:#225e47;border:3px solid white;border-radius:50%;font-family:Georgia,serif;font-size:16px;flex-shrink:0}
.blog-list-head{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin:0 0 25px}.blog-list-head h2{font-size:18px;font-weight:500;margin:0}.blog-list-head p{font-size:11px;color:#808781;margin:0}.blog-list-head a{font-size:12px;margin-left:auto;color:#28745c}.blog-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px 22px;list-style:none;padding:0;margin:0}.blog-card{min-width:0;position:relative}.blog-card-image{display:block;overflow:hidden;background:#eef5f0}.blog-card-image img{width:100%;height:auto;display:block;aspect-ratio:16/10;object-fit:cover;transition:transform .3s}.blog-card-image:hover img{transform:scale(1.035)}.blog-card>.blog-author{margin:-16px 0 12px 10px;position:relative;background:white;width:max-content;max-width:calc(100% - 10px);padding-right:8px}.blog-category-badge{display:inline-block;background:#e8f3ed;color:#327157;font-size:10px;padding:4px 9px;font-weight:500}.blog-category-badge[data-color=comparison]{background:#e8f1f4;color:#466d7b}.blog-category-badge[data-color=safety]{background:#f5ecdf;color:#8e6536}.blog-category-badge[data-color=ingredients]{background:#eceaf5;color:#6b5b8f}.blog-card h3{font-size:14px;font-weight:600;line-height:1.8;margin:11px 0 9px}.blog-card h3 a{color:inherit;text-decoration:none}.blog-card h3 a:hover,.blog-pickup-copy h3 a:hover{text-decoration:underline;text-underline-offset:4px}.blog-card>time{font-size:11px;color:#848a85}.blog-load-more{display:block;margin:42px auto 0;padding:16px 40px;border:1px solid #d9dfdb;background:white;font-size:13px;cursor:pointer;min-width:260px}.blog-load-more span{margin-left:28px}.blog-no-results{padding:40px 0;font-size:14px}
.blog-search{margin-bottom:38px}.blog-search label{display:block;font-size:11px;color:#69716c;margin-bottom:8px}.blog-search>div{display:flex;border:1px solid #dfe4e1;background:#fafbfa}.blog-search input{width:100%;min-width:0;border:0;background:transparent;font:inherit;font-size:12px;padding:11px}.blog-search button{background:transparent;border:0;font-size:25px;width:38px;cursor:pointer;color:#54645b}.blog-sidebar section{margin-bottom:36px}.blog-sidebar h2{text-align:center;color:#333c36;font-size:24px;margin-bottom:24px}.blog-ranking-status{font-size:12px;line-height:1.9;color:#6a746d;background:#f8faf8;padding:14px;margin:0}.blog-ranking-list{padding:0;list-style:none;margin:0;counter-reset:rank}.blog-ranking-list li{counter-increment:rank;margin:0;padding:13px 0;border-bottom:1px solid #ecefed}.blog-ranking-list a{display:grid;grid-template-columns:62px minmax(0,1fr);gap:10px;position:relative;color:#353c37;text-decoration:none;font-size:11px;line-height:1.65}.blog-ranking-list a:before{content:counter(rank);position:absolute;left:0;top:0;background:#28745c;color:white;font-size:10px;padding:0 5px}.blog-ranking-list img{width:62px;height:45px;object-fit:cover}.blog-ranking-list span{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.blog-ranking-list small{display:block;color:#7a857d;font-size:10px;grid-column:2}.blog-banner{display:flex;flex-direction:column;align-items:center;padding:22px 12px 20px;background:#ecf3ef;text-decoration:none;color:#2e5f47;text-align:center;margin-bottom:38px}.blog-banner>span{font:700 34px Georgia,serif;letter-spacing:.02em}.blog-banner img{width:160px;height:160px;object-fit:contain}.blog-banner b{font-size:15px;font-weight:500;margin-bottom:12px}.blog-banner small{font-size:11px}.blog-tag-cloud{display:flex;gap:7px;flex-wrap:wrap}.blog-tag-cloud a{font-size:10px;color:#566259;background:#f0f3f1;padding:6px 9px;text-decoration:none}.blog-tag-cloud a[aria-current]{background:#28745c;color:white}.blog-side-link{font-size:12px;color:#28745c}
.blog-article.doc{width:100%;max-width:none;padding:0;margin:0;min-width:0}.blog-article .crumbs{font-size:11px;margin:0 0 25px}.blog-article .doc-head{margin:0 0 28px}.blog-article .doc-head h1{font-size:clamp(23px,2.4vw,33px);line-height:1.65;letter-spacing:0}.blog-article .doc-meta{font-size:11px}.blog-article .post-hero{margin:0 0 28px}.blog-article .post-body{font-size:15px;line-height:2}.blog-article .post-body h2,.blog-article .post-body h3{scroll-margin-top:40px}.blog-article .post-body h2{font-size:23px;border-bottom:2px solid #cce0d3;padding-bottom:13px;margin-top:48px}.blog-toc{border:1px solid #dce5df;background:#f7faf8;padding:22px 26px;margin:30px 0}.blog-toc summary{font-size:15px;font-weight:600;cursor:pointer}.blog-toc ol{margin:20px 0 0;padding-left:20px;font-size:13px;line-height:1.8}.blog-toc li{margin-bottom:8px}.blog-toc a{color:#406550;text-decoration:none}.blog-toc a:hover{text-decoration:underline}.blog-toc .toc-level-3{margin-left:18px;font-size:12px;list-style:circle}
.blog-share{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 24px}.blog-share a,.blog-share button{border:1px solid #dde4df;background:#fff;padding:7px 12px;font-size:11px;line-height:1.6;text-decoration:none;color:#476852;cursor:pointer}.blog-share span{font-size:11px;color:#476852}
.blog-card-image,.blog-pickup-image{position:relative}
.blog-card-image:has(.blog-thumb-label):after,.blog-pickup-image:has(.blog-thumb-label):after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.94),rgba(255,255,255,.8) 32%,rgba(255,255,255,0) 68%);pointer-events:none}
.blog-thumb-label{position:absolute;z-index:1;left:7%;top:50%;transform:translateY(-50%);width:65%;font-size:clamp(18px,1.3vw,24px);font-weight:800;line-height:1.4;letter-spacing:-.025em;color:#183f31;pointer-events:none}
.blog-thumb-label span{display:block}.blog-pickup-image .blog-thumb-label{font-size:clamp(26px,2.1vw,38px);width:67%}
.blog-pickup-image:has(.blog-thumb-label){background:#f8f7f2}.blog-pickup-image:has(.blog-thumb-label) img{width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}.blog-ranking-list img{object-position:78% center}
@media(max-width:760px){.blog-card-image .blog-thumb-label{font-size:clamp(12px,3.7vw,15px)}.blog-pickup-image .blog-thumb-label{font-size:clamp(23px,6.6vw,30px)}}
@media(max-width:1000px){.blog-sheet{padding:0 24px 40px}.blog-categories{margin:0 -24px 30px}.blog-columns{grid-template-columns:minmax(0,1fr) 210px;gap:24px}.blog-sidebar{padding-left:20px}.blog-pickup-slide{grid-template-columns:1.2fr 1fr}.blog-pickup-copy{padding:18px 16px}.blog-pickup-copy h3{font-size:15px}.blog-pickup-copy>p{display:none}.blog-card-grid{gap:30px 16px}}
@media(max-width:760px){.blog-magazine{padding:0 12px 40px}.blog-hero{margin:0 -12px;padding:20px 20px 65px}.blog-hero .crumbs{margin-bottom:25px}.blog-subtitle{font-size:11px}.blog-sheet{padding:0 18px 35px;margin-top:-28px}.blog-categories{margin:0 -18px 25px;display:flex;overflow-x:auto;min-height:56px}.blog-categories a{flex:0 0 100px;font-size:11px;padding:14px 8px}.blog-columns{display:block}.blog-pickup-slide{grid-template-columns:1fr;min-height:0}.blog-pickup-image img{aspect-ratio:16/9;height:auto}.blog-pickup-copy{padding:20px;position:relative}.blog-pickup-copy h2{font-size:23px;margin-bottom:15px}.blog-pickup-copy .blog-author{position:absolute;right:20px;top:20px}.blog-pickup-copy h3{font-size:17px;margin:0 0 16px}.blog-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 15px}.blog-card h3{font-size:12px}.blog-sidebar{border-left:0;border-top:1px solid #e4e9e5;padding:35px 0 0;margin:40px 0 0}.blog-search{max-width:420px;margin:0 auto 35px}.blog-ranking-list a{grid-template-columns:90px minmax(0,1fr);font-size:13px;gap:16px}.blog-ranking-list img{width:90px;height:58px}.blog-banner{max-width:320px;margin:35px auto}.blog-sidebar h2{margin-top:30px}.blog-article .doc-head h1{font-size:24px}.blog-article .post-body h2{font-size:21px}.blog-article .post-body{font-size:14px}.blog-toc{padding:20px}.blog-page .nav{min-height:65px}.blog-page .nav-outer{padding:0 16px}.blog-list-head h2{font-size:16px}}
@media(prefers-reduced-motion:reduce){.blog-card-image img{transition:none}}

/* Article-specific format diagram and evidence-led chronology. */
.caffeine-history-map{margin:28px 0 16px;padding:28px 24px;background:#f4f8f5;border:1px solid #d6e4da}
.caffeine-history-root{position:relative;width:max-content;max-width:100%;margin:0 auto 30px;padding:12px 20px;background:#255e46;color:#fff;text-align:center;font-weight:700;line-height:1.7}
.caffeine-history-root:after{content:'';position:absolute;width:1px;height:30px;background:#99b5a3;top:100%;left:50%}
.post-body .caffeine-history-branches{position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:0;padding:0;list-style:none}
.post-body .caffeine-history-branches>li{position:relative;min-width:0;margin:0;padding:18px 18px 14px;background:#fff;border-top:3px solid #729c81;line-height:1.8}
.doc .caffeine-history-branches>li:before{content:none}
.caffeine-history-category{display:block;font-size:12px;color:#4b6454;margin-bottom:6px}
.caffeine-history-branches b{display:block;font-size:17px;color:#224d38}
.post-body .caffeine-history-branches p{font-size:13px;margin:8px 0 0}
.caffeine-history-map figcaption{font-size:12px;line-height:1.8;color:#53695b;margin-top:20px}
.caffeine-history-table{margin:0 0 26px;font-size:13px}
.caffeine-history-table summary{cursor:pointer;width:max-content;max-width:100%;color:#365e46;text-decoration:underline;text-underline-offset:4px;padding:8px 0}
.post-body .caffeine-history-timeline{list-style:none;padding:0;margin:30px 0 16px}
.post-body .caffeine-history-timeline>li{position:relative;display:grid;grid-template-columns:145px minmax(0,1fr);gap:26px;padding:0 0 28px;margin:0;line-height:1.8}
.doc .caffeine-history-timeline>li:before{content:'';position:absolute;left:153px;top:9px;bottom:-9px;width:1px;height:auto;background:#c7dbce;border-radius:0;box-shadow:none;counter-increment:none}
.caffeine-history-timeline>li:last-child:before{display:none}
.caffeine-history-timeline>li:after{content:'';position:absolute;left:149px;top:9px;width:9px;height:9px;background:#387450;border-radius:50%;box-shadow:0 0 0 4px #eef5f0}
.caffeine-history-date{font-size:15px;font-weight:700;color:#285b40;line-height:1.8;text-align:right;padding-right:12px;font-variant-numeric:tabular-nums}
.caffeine-history-timeline b{font-size:15px;font-weight:600}
.post-body .caffeine-history-timeline p{font-size:12px;color:#586b5e;margin:6px 0 0}
.caffeine-history-timeline a{overflow-wrap:anywhere}
@media(max-width:600px){
  .caffeine-history-map{padding:22px 16px}
  .post-body .caffeine-history-branches{grid-template-columns:1fr;gap:12px;padding-left:16px;border-left:1px solid #99b5a3}
  .caffeine-history-root{width:auto;font-size:15px;margin-bottom:22px}
  .caffeine-history-root:after{left:-1px;height:22px}
  .doc .caffeine-history-branches>li:before{content:'';position:absolute;left:-17px;top:24px;width:16px;height:1px;border-radius:0;background:#99b5a3}
  .post-body .caffeine-history-timeline>li{grid-template-columns:minmax(0,1fr);gap:5px;padding:0 0 25px 24px}
  .doc .caffeine-history-timeline>li:before{left:4px}
  .caffeine-history-timeline>li:after{left:0}
  .caffeine-history-date{text-align:left;padding:0;font-size:14px}
}