:root{--green:#173c35;--green-deep:#102e29;--paper:#f6f1e7;--ink:#312f2c;--red:#a3424a;--copper:#b48c62;--line:#d9d2c5;--muted:#716d65;--serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;--sans:"Microsoft YaHei","PingFang SC",system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.9 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--red)}a,button{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:default}img{display:block;max-width:100%;height:auto}p{margin:0 0 1.1em}h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.5;margin:0 0 .65em;color:var(--green)}h1{font-size:clamp(27px,3vw,40px);letter-spacing:.025em}h2{font-size:clamp(23px,2.1vw,30px)}h3{font-size:19px}ul,ol{padding-left:1.45em}strong{font-weight:600}.wrap{max-width:1200px;width:calc(100% - 96px);margin-inline:auto}.muted{color:var(--muted)}.eyebrow{color:var(--red);font-size:12px;font-weight:700;letter-spacing:.14em;margin-bottom:15px}.lead{font-size:16px;line-height:2}.text-link{display:inline-flex;align-items:center;gap:12px;color:var(--green);font-size:14px;font-weight:600;border-bottom:1px solid var(--copper);padding:6px 0;line-height:1.7}.text-link:hover{color:var(--red);border-color:var(--red)}.text-link+.text-link{margin-left:24px}.button{display:inline-flex;align-items:center;justify-content:center;gap:25px;min-height:48px;padding:11px 22px;color:var(--paper);background:var(--green);border:1px solid var(--green);font-size:14px;font-weight:600;transition:background .18s}.button:hover{background:var(--green-deep);color:white}.button.secondary{color:var(--green);background:transparent}.button.secondary:hover{background:#e9e4d9}.quiet-button{background:none;border:0;color:var(--muted);text-decoration:underline;padding:12px}.skip-link{position:fixed;left:15px;top:-80px;z-index:100;background:var(--green);color:white;padding:12px}.skip-link:focus{top:10px}:focus-visible{outline:3px solid var(--red);outline-offset:5px}.site-header{background:var(--paper);border-top:5px solid var(--green);border-bottom:1px solid var(--line);position:relative;z-index:20}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:106px;gap:30px}.brand{flex-shrink:0}.brand img{width:250px;height:62px}.site-header nav{display:flex;gap:29px;align-self:stretch;align-items:center;font-size:14px}.site-header nav a{position:relative;display:flex;height:100%;align-items:center;white-space:nowrap}.site-header nav a[aria-current]{color:var(--red);font-weight:700}.site-header nav a[aria-current]:after{content:"";position:absolute;bottom:0;height:3px;background:var(--red);width:100%}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:40% 1fr;align-items:center;gap:58px;padding-block:43px 46px}.hero-visual{position:relative;padding:10px 10px 21px;border:1px solid var(--copper)}.hero-visual>img{height:316px;width:100%;object-fit:cover}.hero-image-line{position:absolute;bottom:-12px;left:50%;transform:translateX(-50%);background:var(--paper);display:flex;gap:14px;padding:0 18px;color:var(--copper);font-size:16px}.hero h1{font-size:36px;line-height:1.6;letter-spacing:.035em;margin-bottom:15px}.hero-copy .lead{font-size:15px;color:#56534c;margin-bottom:24px}.hero-actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap}.structure-band{border-block:1px solid var(--line);background:#eee9df}.structure-inner{display:grid;grid-template-columns:1fr 40px 1fr 40px 1.2fr;align-items:center;gap:22px;padding-block:25px}.structure-inner strong{font:700 25px/1.4 var(--serif);color:var(--green);margin-right:15px}.structure-inner>div>span{font-size:12px;color:var(--muted)}.structure-inner p{font-size:12px;color:var(--muted);margin:6px 0 0}.band-symbol{color:var(--copper);font-size:22px}.home-section{padding-block:65px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:28px}.section-heading h2{margin:0}.section-heading p:not(.eyebrow){margin:10px 0 0;color:var(--muted);font-size:14px}.section-heading>.text-link{flex-shrink:0;margin-bottom:5px}.hands-feature{display:grid;grid-template-columns:43% 1fr;gap:45px}.hands-feature-image img{width:100%;height:290px;object-fit:cover}.hands-feature-image p{margin:18px 0 0;color:var(--muted);font-size:14px}.rank-summary{display:grid;grid-template-columns:1fr 1fr;column-gap:26px}.rank-summary>div{display:grid;grid-template-columns:24px 1fr;align-content:center;column-gap:10px;border-bottom:1px solid var(--line);padding:8px 0}.rank-summary>div>span{grid-row:1/3;color:var(--copper);font:italic 15px var(--serif);padding-top:6px}.rank-summary strong{font-family:var(--serif);color:var(--green);font-size:16px}.rank-summary p{margin:0;color:var(--muted);font-size:11px}.inline-rule{margin-top:32px;border-block:1px solid var(--line);display:grid;grid-template-columns:150px 1fr 220px;gap:20px;align-items:center;padding-block:20px}.inline-rule strong{font:700 18px var(--serif);color:var(--green)}.inline-rule p{margin:0;color:var(--muted);font-size:13px}.inline-rule>.text-link{justify-self:end}.streets-feature{background:var(--green);color:#e5e5d8;padding-block:54px 42px}.light h2,.light .text-link{color:var(--paper)}.light .eyebrow{color:#c7a17a}.light .text-link:hover{color:#dcb994}.streets-top{display:grid;grid-template-columns:44% 1fr;gap:48px;align-items:center}.streets-top img{height:235px;width:100%;object-fit:cover}.streets-top p{font-size:14px;line-height:2.1}.streets-top p:last-child{margin-bottom:0}.street-steps{display:grid;grid-template-columns:repeat(4,1fr);padding:0;margin:32px 0 0;list-style:none;border-top:1px solid #527067}.street-steps li{padding:23px 23px 0;border-right:1px solid #527067}.street-steps li:first-child{padding-left:0}.street-steps li:last-child{border:0;padding-right:0}.street-steps strong{display:block;color:var(--paper);font:700 19px var(--serif);margin-bottom:10px}.street-steps span{font-size:12px;color:#c7a17a}.street-steps p{font-size:12px;margin:10px 0 0;color:#bfcdc5}.comparison-feature{display:grid;grid-template-columns:1fr 1fr;gap:68px}.comparison-feature>div>p{color:var(--muted);font-size:14px}.comparison-feature h2{font-size:31px}.home-example{padding:27px;background:#ede8dd;border-top:3px solid var(--red)}.home-example h3{font-size:21px}.home-example>div{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:10px 15px}.home-example>div>span{font-size:12px;color:var(--muted)}.home-example .cards{margin:4px 0 10px}.home-example>p:last-of-type{font-size:13px;margin:18px 0 10px}.practice-feature{display:grid;grid-template-columns:1fr 39%;border:1px solid var(--copper);position:relative}.practice-copy{padding:36px 44px}.practice-copy h2{font-size:30px}.practice-copy>p:not(.eyebrow){font-size:14px;color:var(--muted)}.practice-copy .button{margin-top:7px}.practice-copy p.practice-small{font-size:12px;margin:15px 0 0}.practice-feature>img{width:100%;height:100%;object-fit:cover}.observation-feature{display:grid;grid-template-columns:35% 1fr;gap:70px;border-bottom:1px solid var(--line)}.observation-feature h2{font-size:29px}.observation-copy{font-size:14px;color:var(--muted)}.observation-copy>div{display:flex;flex-wrap:wrap;gap:12px 25px}.observation-copy .text-link+.text-link{margin-left:0}.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 25px}.news-card{border:1px solid var(--line);display:flex;flex-direction:column;background:#faf7ef;min-width:0}.news-image{display:block;overflow:hidden;aspect-ratio:16/10}.news-image img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.news-card:hover .news-image img{transform:scale(1.025)}.news-body{padding:20px 22px;display:flex;flex-direction:column;flex:1}.news-body h3{font:700 18px/1.75 var(--serif);margin:0 0 12px;min-height:95px}.news-body>p{font-size:13px;color:var(--muted);line-height:1.9;margin:0 0 20px;min-height:100px}.news-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;font-size:11px}.news-meta time{color:var(--muted)}.news-meta a{color:var(--green)}.closing-note{display:grid;grid-template-columns:40px 1fr 255px;gap:25px;align-items:center;border-top:1px solid var(--line);padding-block:30px 42px}.closing-note>span{font-size:36px;color:var(--red)}.closing-note h2{font-size:20px;margin-bottom:7px}.closing-note p{font-size:13px;color:var(--muted);margin:0}.site-footer{background:var(--green-deep);color:#b9c9bf}.footer-main{display:grid;grid-template-columns:1.3fr 1fr auto;gap:45px;padding-block:40px}.footer-brand{font:700 24px var(--serif);color:var(--paper)}.footer-main p{font-size:12px;margin:14px 0 0}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:10px 20px;align-content:center;font-size:12px}.site-footer a:hover{color:#e0bc95}.back-top{align-self:center;font-size:12px}.footer-bottom{border-top:1px solid #36534a;padding-block:19px 23px;font-size:10px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-bottom p{margin:0}.footer-bottom>div{display:flex;gap:18px}.breadcrumb{display:flex;align-items:center;gap:13px;padding-block:23px 0;font-size:12px;color:var(--muted)}.breadcrumb>a:hover{color:var(--red)}.page-heading{padding-block:35px 34px;border-bottom:1px solid var(--line)}.page-heading h1{max-width:960px;font-size:34px;line-height:1.65;margin-bottom:14px}.page-heading .lead{max-width:880px;color:var(--muted);font-size:15px;margin-bottom:0}.reading-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:60px;margin-block:40px}.reading-toc{position:sticky;top:30px;align-self:start;display:flex;flex-direction:column;gap:10px;border-top:2px solid var(--green);padding-top:18px}.reading-toc>span{font:700 17px var(--serif);color:var(--green);padding-bottom:5px}.reading-toc a{font-size:12px;line-height:1.8;padding:5px 0;border-bottom:1px solid var(--line)}.reading-toc a:last-child{margin-top:10px;color:var(--red)}.reading-content{min-width:0}.reading-section{margin-bottom:42px;scroll-margin-top:30px}.reading-section h2{font-size:25px}.reading-section h3{font-size:19px}.reading-section>p{font-size:15px;line-height:2.1}.reading-section .text-link{margin-top:4px}.note{border-left:3px solid var(--red);background:#eee8dc;padding:18px 23px;margin:24px 0}.note strong{font-family:var(--serif);font-size:18px;color:var(--green)}.note p{font-size:14px;margin:8px 0 0}.flow-list{list-style:none;padding:0;counter-reset:flow}.flow-list li{position:relative;padding:0 0 20px 39px;font-size:14px}.flow-list li:before{counter-increment:flow;content:counter(flow,decimal-leading-zero);position:absolute;left:0;top:0;font:italic 18px/1.8 var(--serif);color:var(--red)}.flow-list strong{display:block;color:var(--green);font-size:15px}.terms{margin:0}.terms>div{border-bottom:1px solid var(--line);padding:14px 0;display:grid;grid-template-columns:170px 1fr;gap:20px}.terms dt{font-weight:700;color:var(--green)}.terms dd{margin:0;font-size:14px}.cards{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin:17px 0 23px}.playing-card{display:inline-block;width:72px;height:102px;border:1px solid #d0c7b8;border-radius:5px;background:#fffcf4;box-shadow:0 3px 4px #302b2410;position:relative;color:#273d34;flex-shrink:0;font-family:Georgia,serif}.playing-card.red{color:var(--red)}.playing-card>span{position:absolute;top:5px;left:7px;font-size:20px;line-height:1}.playing-card small{display:block;font-size:15px;line-height:1.1;text-align:center}.playing-card>b{position:absolute;top:30px;left:0;right:0;text-align:center;font-weight:400;font-size:36px;line-height:1.2}.playing-card i{position:absolute;right:5px;bottom:5px;font-style:normal;font-size:13px;transform:rotate(180deg)}.hand-row{display:grid;grid-template-columns:125px 1fr;gap:0 15px;padding:24px 0;border-top:1px solid var(--line)}.hand-row:last-child{border-bottom:1px solid var(--line)}.hand-title{display:flex;align-items:center;gap:12px;grid-row:1/3;align-self:start;padding-top:13px}.hand-title h3{font-size:18px;white-space:nowrap}.rank-badge{font-size:12px;color:var(--copper)}.hand-row .cards{margin:0 0 17px;gap:8px}.hand-row .playing-card{width:65px;height:94px}.hand-row>div:last-child p{margin-bottom:6px;font-size:13px}.card-example,.combo-example{border:1px solid var(--line);padding:22px;margin-block:23px}.combo-example h3{margin-bottom:8px}.combo-example p{font-size:14px;margin-bottom:0}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-block:22px}.comparison>div{padding:20px 15px;background:#eee9de;min-width:0}.comparison h3{font-size:16px}.comparison .cards{gap:6px;margin:15px 0 0}.comparison .playing-card{width:48px;height:72px}.comparison .playing-card>span{font-size:14px;left:4px;top:4px}.comparison .playing-card small{font-size:11px}.comparison .playing-card>b{font-size:24px;top:23px}.comparison .playing-card i{font-size:10px}.check-list li{padding-left:5px;margin-bottom:15px}.table-scroll{overflow-x:auto;margin:24px 0}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;background:var(--green);color:var(--paper);font-weight:500}td,th{padding:13px 15px;border-bottom:1px solid var(--line);vertical-align:top}tbody tr:nth-child(even){background:#ece7dc}.seat-map{height:330px;max-width:620px;position:relative;margin:28px auto 38px;border:12px solid #6c5947;border-radius:45%;background:var(--green);color:var(--paper);box-shadow:inset 0 0 0 3px var(--copper)}.seat{position:absolute;font-size:12px;text-align:center;padding:7px 13px;background:var(--paper);border:1px solid var(--copper);color:var(--green);min-width:90px}.seat b{display:block;font-size:11px;color:var(--red)}.seat-a{top:-20px;left:calc(50% - 45px)}.seat-b{right:-20px;top:45px}.seat-c{right:-20px;bottom:45px}.seat-d{left:calc(50% - 45px);bottom:-20px}.seat-e{left:-20px;bottom:45px}.seat-f{left:-20px;top:45px}.seat-center{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;text-align:center;font:700 20px/1.6 var(--serif)}.seat-center small{font:11px var(--sans);margin-top:12px}.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-block:25px}.evidence-grid>div{border-top:2px solid var(--copper);padding:16px 0}.evidence-grid h3{font-size:18px}.evidence-grid p{font-size:13px;color:var(--muted)}.related{padding:28px 0 38px;border-top:1px solid var(--line)}.related h2{font-size:20px}.related>div{display:flex;flex-wrap:wrap;gap:15px 30px}.related .text-link+.text-link{margin-left:0}.friends{border-top:1px solid var(--line);padding-block:25px 33px}.friends h2{font:700 16px var(--sans);margin-bottom:16px}.friends>div{display:flex;flex-wrap:wrap;gap:12px 30px;font-size:12px;color:var(--muted)}.friends a{min-height:28px}.byline{display:flex;flex-wrap:wrap;gap:10px 25px;margin-top:18px;font-size:12px;color:var(--muted)}.article-cover{width:100%;max-height:420px;object-fit:cover;margin-bottom:35px}.article-pagination{display:grid;grid-template-columns:1fr 1fr;gap:30px;border-block:1px solid var(--line);padding-block:22px}.article-pagination span{display:block;font-size:11px;color:var(--muted);margin-bottom:9px}.article-pagination p{font-size:14px;margin:0}.article-pagination a{font-size:14px;color:var(--green)}.news-opening{padding-block:30px}.news-opening>p{max-width:820px}.topic-index{display:flex;flex-wrap:wrap;gap:12px 24px;color:var(--red);font-size:13px}.inner-page>.site-footer{margin-top:0}.news-opening~.reading-section{margin-top:45px}.practice-intro{font-size:14px}.practice-intro>p:first-child{color:var(--red);font-weight:700}.trainer{background:#ede8dd;border:1px solid var(--copper);padding:26px;margin-block:26px 42px;scroll-margin-top:25px}.mode-tabs{display:flex;border-bottom:1px solid var(--line);gap:10px;margin-bottom:20px}.mode-tabs button{border:0;background:transparent;padding:12px 16px;border-bottom:3px solid transparent;color:var(--muted)}.mode-tabs button.active{border-color:var(--green);color:var(--green);font-weight:700}.trainer-top{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin:15px 0}.trainer h2{font-size:22px}.trainer>.cards{justify-content:center}.answer-options{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:24px}.answer-options button{min-height:47px;border:1px solid #c6bcae;background:#faf7f0;color:var(--green);padding:8px 15px}.answer-options button:hover:not(:disabled){background:#e0dfd0;border-color:var(--green)}.answer-options button.correct{background:var(--green);border-color:var(--green);color:white}.answer-options button.wrong{background:#f1dcd9;border-color:var(--red);color:#792e35}.answer-options button:disabled{opacity:.7}.answer-options button.correct:disabled,.answer-options button.wrong:disabled{opacity:1}.feedback{min-height:85px;font-size:14px;padding-top:18px}.feedback strong{display:block;color:var(--green);font-size:16px}.feedback.error strong{color:var(--red)}.feedback p{margin:4px 0 0}.trainer-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px}.trainer-actions .quiet-button{margin-left:auto}.trainer .comparison{margin-top:20px}.trainer .comparison>div{padding:10px 0;background:transparent}.trainer .comparison .cards{justify-content:center}.trainer .comparison h3{text-align:center}.trainer .comparison .playing-card{width:48px;height:72px}@media(min-width:1400px){.hero h1{font-size:39px}.hero{gap:65px}.hero-visual>img{height:340px}}@media(max-width:1100px){.wrap{width:calc(100% - 56px)}.site-header nav{gap:20px;font-size:13px}.brand img{width:220px}.hero{gap:35px}.hero h1{font-size:30px}.hero-visual>img{height:300px}.hero-actions{gap:15px}.hero-actions .button{padding-inline:16px}.hands-feature{gap:30px}.inline-rule{grid-template-columns:130px 1fr}.inline-rule>.text-link{grid-column:2;justify-self:start}.comparison-feature{gap:35px}.reading-layout{grid-template-columns:170px minmax(0,1fr);gap:35px}.comparison .cards{gap:4px}.comparison .playing-card{width:41px;height:66px}.news-body{padding:17px}.news-body h3{font-size:17px}.news-body>p{min-height:125px}.footer-links{grid-template-columns:repeat(2,1fr)}.closing-note{grid-template-columns:30px 1fr}.closing-note>.text-link{grid-column:2;justify-self:start}}@media(max-width:900px){.header-inner{min-height:88px;gap:18px}.brand img{width:195px;height:auto}.site-header nav{gap:16px;font-size:12px}.hero{grid-template-columns:39% 1fr;gap:28px;padding-block:35px}.hero h1{font-size:27px}.hero-visual>img{height:285px}.hero-copy .lead{font-size:13px}.hero .eyebrow{font-size:10px}.hero-actions .text-link{font-size:12px}.section-heading{align-items:flex-start;flex-direction:column;gap:14px}.home-section{padding-block:45px}.hands-feature{grid-template-columns:1fr 1.1fr;gap:25px}.rank-summary{grid-template-columns:1fr}.rank-summary>div{grid-template-columns:24px 1fr auto;padding:8px 0}.rank-summary>div>span{grid-row:auto}.rank-summary p{font-size:10px}.rank-summary strong{font-size:14px}.hands-feature-image img{height:320px}.street-steps li{padding-inline:15px}.streets-top{gap:25px}.comparison-feature{gap:28px}.comparison-feature h2{font-size:26px}.home-example{padding:20px}.practice-copy{padding:28px}.practice-copy h2{font-size:26px}.observation-feature{grid-template-columns:1fr 1.7fr;gap:25px}.observation-feature h2{font-size:25px}.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.news-body h3{min-height:80px}.news-body>p{min-height:75px}.reading-layout{grid-template-columns:1fr;gap:25px}.reading-toc{position:static;flex-direction:row;flex-wrap:wrap;gap:10px 20px;padding-top:14px}.reading-toc>span{width:100%;padding:0}.reading-toc a{padding:0}.reading-toc a:last-child{margin-top:0}.page-heading h1{font-size:30px}.hand-row{grid-template-columns:130px 1fr}.hand-row .playing-card{width:70px;height:98px}.comparison .playing-card{width:58px;height:84px}.trainer .comparison .playing-card{width:55px;height:80px}}@media(max-width:650px){html{scroll-padding-top:24px}.wrap{width:calc(100% - 36px)}.header-inner{min-height:80px;flex-wrap:wrap;gap:0}.brand img{width:min(222px,60vw)}.menu-toggle{display:flex;gap:10px;align-items:center;background:none;border:1px solid var(--line);padding:8px 10px;min-height:43px;font-size:12px;color:var(--green)}.site-header nav{display:none;width:100%;padding:10px 0 16px;gap:0;flex-wrap:wrap}.site-header nav.open{display:flex}.site-header nav a{width:33.333%;justify-content:center;min-height:44px;font-size:13px}.site-header nav a[aria-current]:after{left:calc(50% - 20px);width:40px}.hero{display:flex;flex-direction:column-reverse;gap:25px;padding-block:28px 34px}.hero-copy{width:100%}.hero h1{font-size:28px;line-height:1.65}.hero-copy .lead{font-size:14px;line-height:2}.hero .eyebrow{font-size:10px;letter-spacing:.09em}.hero-visual{width:100%;padding:8px 8px 17px}.hero-visual>img{height:215px}.hero-actions{gap:18px}.hero-actions .button{font-size:13px;padding-inline:15px}.structure-inner{grid-template-columns:1fr;gap:0;padding-block:6px}.structure-inner>div{padding-block:15px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:95px 1fr;align-items:center;gap:3px 8px}.structure-inner>div:last-child{border:0}.structure-inner strong{font-size:21px;grid-row:1/3}.structure-inner>div>span{font-size:12px}.structure-inner p{font-size:11px;margin:0}.band-symbol{display:none}.home-section{padding-block:36px}.section-heading h2{font-size:25px}.section-heading>.text-link{font-size:13px}.eyebrow{margin-bottom:10px}.hands-feature{grid-template-columns:1fr;gap:20px}.hands-feature-image img{height:225px}.hands-feature-image p{font-size:13px}.rank-summary{grid-template-columns:1fr 1fr;gap:0 18px}.rank-summary>div{grid-template-columns:20px 1fr;padding:10px 0;gap:0 5px}.rank-summary>div>span{grid-row:1/3;font-size:12px}.rank-summary p{font-size:10px}.rank-summary strong{font-size:14px}.inline-rule{grid-template-columns:1fr;gap:12px;margin-top:24px}.inline-rule>.text-link{grid-column:auto}.inline-rule strong{font-size:18px}.streets-feature{padding-block:34px}.streets-top{grid-template-columns:1fr;gap:23px}.streets-top img{height:220px}.streets-top p{font-size:13px}.street-steps{grid-template-columns:1fr 1fr;margin-top:25px}.street-steps li,.street-steps li:first-child,.street-steps li:last-child{padding:20px 14px 5px;border-right:1px solid #527067}.street-steps li:nth-child(even){border:0;padding-right:0}.street-steps li:nth-child(odd){padding-left:0}.street-steps li:nth-child(-n+2){padding-bottom:20px;border-bottom:1px solid #527067}.street-steps strong{font-size:18px}.comparison-feature{grid-template-columns:1fr;gap:24px}.comparison-feature h2{font-size:27px}.home-example .playing-card{width:61px;height:88px}.home-example>div{grid-template-columns:65px 1fr}.practice-feature{grid-template-columns:1fr}.practice-copy{padding:26px 23px}.practice-copy h2{font-size:27px}.practice-copy .button{font-size:12px;gap:12px;padding-inline:14px}.practice-feature>img{height:210px}.observation-feature{grid-template-columns:1fr;gap:8px}.observation-feature h2{font-size:26px}.observation-copy .text-link{font-size:12px}.news-grid{grid-template-columns:1fr;gap:24px}.news-body{padding:20px}.news-body h3{min-height:0;font-size:19px;line-height:1.75;margin-bottom:13px}.news-body>p{min-height:0;font-size:13px;margin-bottom:22px}.news-meta{font-size:12px}.closing-note{gap:18px;grid-template-columns:22px 1fr;padding-block:25px 32px}.closing-note>span{font-size:26px;align-self:start}.closing-note h2{font-size:20px}.closing-note p{font-size:12px}.closing-note>.text-link{font-size:12px}.footer-main{grid-template-columns:1fr;gap:26px;padding-block:32px}.footer-brand{font-size:23px}.footer-links{grid-template-columns:repeat(4,1fr);gap:10px 12px;font-size:11px}.back-top{justify-self:start}.footer-bottom{display:block;font-size:9px;padding-block:18px}.footer-bottom>div{flex-direction:column;gap:2px;margin-top:10px}.breadcrumb{font-size:11px;gap:10px;padding-top:18px}.page-heading{padding-block:26px}.page-heading h1{font-size:27px;line-height:1.65}.page-heading .lead{font-size:14px;line-height:2}.reading-layout{margin-block:26px}.reading-toc{gap:10px 16px}.reading-toc a{font-size:11px}.reading-section{margin-bottom:32px}.reading-section h2{font-size:23px}.reading-section>p{font-size:14px}.reading-section .text-link+.text-link{margin-left:0;display:table;margin-top:12px}.note{padding:16px 18px}.note strong{font-size:17px}.note p{font-size:13px}.terms>div{grid-template-columns:1fr;gap:6px}.terms dt{font-size:14px}.terms dd{font-size:13px}.flow-list li{padding-left:31px;font-size:13px}.flow-list strong{font-size:14px}.hand-row{grid-template-columns:1fr;padding-block:20px}.hand-title{grid-row:auto;align-items:center;padding:0;margin-bottom:15px}.hand-title h3{margin:0;font-size:19px}.hand-row .cards{gap:7px}.hand-row .playing-card{width:calc((100vw - 76px)/5);max-width:72px;height:94px}.playing-card{width:calc((100vw - 82px)/5);max-width:72px;height:94px}.cards{gap:8px}.combo-example,.card-example{padding:17px 14px}.combo-example .cards{gap:5px}.combo-example .playing-card{width:calc((100vw - 102px)/5);height:84px}.combo-example p{font-size:12px}.combo-example h3{font-size:18px}.combo-example .playing-card>b{font-size:30px;top:28px}.comparison{grid-template-columns:1fr;gap:15px}.comparison .playing-card{width:calc((100vw - 130px)/5);max-width:65px;height:83px}.comparison .playing-card>span{font-size:18px}.comparison .playing-card>b{font-size:29px;top:27px}.evidence-grid{grid-template-columns:1fr;gap:0}.evidence-grid>div{padding-block:15px}.evidence-grid p{margin:0}.table-scroll td,.table-scroll th{padding:10px 9px;font-size:11px}.seat-map{height:290px;width:calc(100% - 25px);border-width:8px}.seat{min-width:72px;padding:5px 8px;font-size:10px}.seat b{font-size:9px}.seat-a,.seat-d{left:calc(50% - 36px)}.seat-center{font-size:18px}.seat-center small{font-size:8px;max-width:170px;align-self:center;line-height:1.6}.seat-b,.seat-c{right:-18px}.seat-e,.seat-f{left:-18px}.related h2{font-size:19px}.related>div{gap:12px}.related .text-link{font-size:12px}.friends{padding-block:22px}.friends>div{gap:8px 24px;font-size:11px}.article-cover{max-height:270px;margin-bottom:25px}.article-pagination{gap:18px}.article-pagination a{font-size:12px;line-height:1.9;display:block}.byline{font-size:11px}.trainer{padding:16px 13px}.mode-tabs{gap:5px}.mode-tabs button{padding:10px 8px;font-size:13px;flex:1}.trainer h2{font-size:20px}.trainer-top{font-size:11px}.trainer .cards{gap:5px}.trainer>.cards .playing-card{width:calc((100vw - 105px)/5);height:85px}.trainer .comparison{grid-template-columns:1fr;gap:14px}.trainer .comparison .playing-card{width:calc((100vw - 115px)/5);max-width:65px;height:80px}.trainer .comparison h3{margin-bottom:5px}.trainer .comparison .cards{margin-top:6px}.answer-options{gap:8px;margin-top:15px}.answer-options button{font-size:13px;min-height:46px}.feedback{font-size:13px;min-height:105px}.trainer-actions{gap:8px}.trainer-actions .button{font-size:12px;min-height:45px;padding:9px 13px;gap:10px}.trainer-actions .quiet-button{font-size:11px;padding-inline:6px}.practice-intro{font-size:13px}.topic-index{gap:10px 17px;font-size:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
:root{color-scheme:light}#question-cards>.cards{justify-content:center}@media(max-width:650px){.trainer #question-cards>.cards .playing-card{width:calc((100vw - 105px)/5);height:85px}}
