@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800;900&family=DM+Sans:wght@400;500;600;700&display=swap');
:root{--ink:#172234;--muted:#606a7c;--paper:#f7f8fa;--accent:#234bdb;--line:#dde2e9;--soft:#eaf0ff;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:145px}body{margin:0;color:var(--ink);background:var(--paper);font-family:'Noto Sans KR',-apple-system,BlinkMacSystemFont,sans-serif;word-break:keep-all;line-height:1.65}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:3px solid #ec8d37;outline-offset:4px}img{display:block;max-width:100%}h1,h2,h3,h4,p{margin:0}button{color:inherit}h1{font-size:clamp(38px,4.5vw,66px);line-height:1.22;letter-spacing:-.065em;font-weight:900}h2{font-size:clamp(28px,3vw,42px);line-height:1.3;letter-spacing:-.045em}h3{font-size:23px;line-height:1.4;letter-spacing:-.035em}.wrap{width:min(var(--max),calc(100% - 64px));margin:auto}.eyebrow{font-family:'DM Sans',sans-serif;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}.muted{color:var(--muted)}.accent{color:var(--accent)}.brand{font:900 25px 'DM Sans',sans-serif;letter-spacing:-1.3px}.brand small{font:600 10px 'Noto Sans KR',sans-serif;letter-spacing:1px;margin-left:7px}.review-nav{background:#172234;color:#fff;position:relative;z-index:20;font-size:12px}.review-nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0}.review-nav a{opacity:.8}.review-nav a:hover{opacity:1}.design-switch{display:flex;gap:8px}.design-switch a{display:grid;place-items:center;width:28px;height:26px;border:1px solid #576174;border-radius:4px}.design-switch .active{background:#fff;color:#172234;opacity:1}.site-header{background:var(--paper);border-bottom:1px solid var(--line)}.site-header .wrap{height:78px;display:flex;align-items:center;justify-content:space-between}.site-links{display:flex;align-items:center;gap:28px;font-size:13px;font-weight:600}.site-links .nav-cta{border:1px solid var(--ink);padding:8px 14px;border-radius:5px}.free-strip{background:var(--accent);color:#fff;text-align:center;font-size:13px;padding:10px 20px}.free-strip b{margin-right:12px}.youtube-icon{display:inline-grid;place-items:center;background:#ef3b3b;color:#fff;border-radius:5px;width:26px;height:18px;font-size:10px;margin-right:8px}.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border:1px solid currentColor;border-radius:100px;font-size:11px;font-weight:600}.hero{position:relative;overflow:hidden}.hero .wrap{padding-top:64px;padding-bottom:54px}.hero-copy>p{font-size:16px;line-height:1.85;margin-top:23px;max-width:500px;color:var(--muted)}.hero-copy .eyebrow{margin-bottom:23px}.hero-copy h1 em{font-style:normal;color:var(--accent)}.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:22px;border:1px solid var(--accent);border-radius:6px;padding:13px 20px;background:var(--accent);color:#fff;font-size:14px;font-weight:700;min-height:48px}.btn.light{background:transparent;color:var(--ink);border-color:var(--line)}.mini-note{font-size:11px!important;margin-top:15px!important}.portrait-box{position:relative;overflow:hidden;background:#fff}.portrait-box img{width:100%;height:100%;object-fit:cover}.teacher-caption{position:absolute;bottom:20px;left:22px;right:22px;padding:16px 18px;background:rgba(255,255,255,.96);display:flex;align-items:center;justify-content:space-between;border-radius:4px;color:#172234;font-size:13px}.teacher-caption strong{font-size:20px}.teacher-caption span{font-size:11px}.hero-meta{display:flex;gap:27px;padding-top:28px;margin-top:30px;border-top:1px solid var(--line)}.hero-meta strong{font:700 27px 'DM Sans',sans-serif;display:block}.hero-meta span{font-size:11px;color:var(--muted)}.hero-grid{display:grid;grid-template-columns:1.1fr .85fr;gap:70px;align-items:center}.cover-art{position:relative;aspect-ratio: .70;background:#0f2135;box-shadow:8px 8px 0 #d9e0ec,12px 18px 24px #132f4922;color:white;padding:15px 12px;display:flex;flex-direction:column;justify-content:space-between;border-left:5px solid #071c32}.cover-art .cover-num{font:700 clamp(35px,5vw,68px) 'DM Sans',sans-serif;letter-spacing:-3px;line-height:1}.cover-art .cover-name{font:600 9px 'DM Sans',sans-serif;letter-spacing:1px}.cover-art .cover-top{font:500 7px 'DM Sans',sans-serif;letter-spacing:1px}.cover-art .cover-bottom{font-size:8px}.book-shelf{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;align-items:start}.shelf-cell>p{font-size:11px;margin-top:14px;font-weight:600}.shelf-cell small{font-size:9px;color:var(--muted)}.shelf-cell .cover-art{border-radius:0 4px 4px 0}.section{padding:84px 0}.section-intro{display:flex;justify-content:space-between;align-items:end;gap:36px;margin-bottom:32px}.section-intro p{color:var(--muted);font-size:14px;max-width:410px}.section-intro .eyebrow{margin-bottom:12px;color:var(--accent)}.value-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.value-band .wrap{display:grid;grid-template-columns:repeat(3,1fr);padding:29px 0}.value-item{padding:0 32px;border-left:1px solid var(--line)}.value-item:first-child{padding-left:0;border:0}.value-item span{font:600 11px 'DM Sans',sans-serif;color:var(--accent)}.value-item strong{display:block;font-size:17px;margin:6px 0}.value-item p{color:var(--muted);font-size:12px}.curriculum{background:#fff}.course-tabs{display:grid;grid-template-columns:repeat(6,1fr);gap:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-bottom:36px}.course-tab{background:transparent;border:0;border-right:1px solid var(--line);padding:18px 8px;text-align:center}.course-tab:last-child{border-right:0}.course-tab strong{font:700 27px 'DM Sans',sans-serif;display:block;line-height:1.2}.course-tab span{display:block;font-size:10px;margin-top:7px}.course-tab[aria-selected=true]{background:var(--accent);color:#fff}.course-overview{display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center;margin-bottom:34px}.course-overview h3{font-size:32px;margin-top:10px}.course-overview>div>p{color:var(--muted);font-size:14px;margin-top:15px}.course-stats{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:8px;background:var(--paper)}.course-stats>div{padding:19px 22px}.course-stats>div:nth-child(odd){border-right:1px solid var(--line)}.course-stats>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.course-stats strong{font-size:24px;display:block;letter-spacing:-1px}.course-stats span{font-size:11px;color:var(--muted)}.category-tabs{display:flex;gap:8px;margin-bottom:22px}.category-tab{border:1px solid var(--line);background:white;border-radius:100px;padding:8px 18px;font-size:12px}.category-tab[aria-selected=true]{background:var(--ink);color:white;border-color:var(--ink)}.book-explorer{display:grid;grid-template-columns:260px 1fr;gap:24px}.file-list{display:flex;flex-direction:column;gap:8px;align-self:start}.file-choice{text-align:left;padding:15px 16px;border:1px solid var(--line);border-radius:6px;background:var(--paper);width:100%;font-size:12px;font-weight:600;line-height:1.6}.file-choice small{font-size:10px;display:block;color:var(--muted);font-weight:400;margin-top:4px}.file-choice[aria-pressed=true]{border-color:var(--accent);background:var(--soft);box-shadow:inset 3px 0 0 var(--accent)}.file-detail{border:1px solid var(--line);border-radius:8px;overflow:hidden;min-width:0}.detail-head{padding:29px 32px;border-bottom:1px solid var(--line)}.detail-head .eyebrow{font-size:10px;color:var(--accent)}.detail-head h4{font-size:25px;line-height:1.4;letter-spacing:-.03em;margin-top:9px}.detail-head>p{color:var(--muted);font-size:13px;margin-top:12px}.detail-main{display:grid;grid-template-columns:1fr 220px;gap:28px;padding:28px 32px}.detail-main h5{font-size:13px;margin:0 0 14px}.detail-main ul{padding-left:18px;margin:0;font-size:12px;line-height:1.9;color:var(--muted)}.detail-main li{margin-bottom:8px}.sample-shot{border:0;padding:0;background:var(--paper);width:100%;box-shadow:0 8px 20px #17223411}.sample-shot img{width:100%;aspect-ratio:.70;object-fit:contain;background:#fff}.sample-caption{font-size:10px;text-align:center;margin-top:10px;color:var(--muted)}.detail-bottom{padding:17px 32px;background:var(--paper);font-size:11px;display:flex;align-items:center;justify-content:space-between;gap:14px}.detail-bottom button{border:0;background:none;color:var(--accent);font-weight:700;font-size:11px}.test-section{background:var(--soft)}.test-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.test-card{background:#fff;padding:30px;border-radius:8px;border:1px solid var(--line)}.test-card .number{font:500 36px 'DM Sans',sans-serif;color:var(--accent);margin-bottom:22px}.test-card h3{font-size:19px}.test-card>p{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.9}.test-example{margin-top:22px;font-family:'DM Sans','Noto Sans KR',sans-serif;font-size:12px;border-top:1px solid var(--line);padding-top:18px;line-height:1.9}.test-example label{display:block;font-size:10px;color:var(--muted);margin-bottom:8px}.test-link{margin-top:30px;text-align:center}.lecture-section{background:var(--ink);color:#fff}.lecture-grid{display:grid;grid-template-columns:300px 1fr;gap:64px;align-items:center}.lecture-photo{border-radius:8px;overflow:hidden;background:#fff}.lecture-photo img{height:330px;width:100%;object-fit:cover;object-position:58% top}.lecture-section h2{margin:16px 0 20px}.lecture-section p{color:#bcc9dd;font-size:14px;max-width:580px;line-height:1.9}.lecture-section .btn{margin-top:25px;background:white;color:var(--ink);border-color:white}.lecture-section .small{font-size:10px;margin-top:15px;color:#b1bed3}.study-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:38px}.study-step{border-top:2px solid var(--accent);padding-top:18px}.study-step span{font:500 12px 'DM Sans',sans-serif;color:var(--accent)}.study-step h3{font-size:17px;margin:12px 0}.study-step p{font-size:12px;color:var(--muted);line-height:1.9}.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.faq-list details{border-bottom:1px solid var(--line);padding:20px 0}.faq-list summary{cursor:pointer;font-size:14px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:18px}.faq-list summary:after{content:'+';font-size:20px;font-weight:400}.faq-list details[open] summary:after{content:'−'}.faq-list details p{font-size:12px;line-height:1.9;color:var(--muted);margin-top:15px}.final-cta{background:var(--accent);color:white;text-align:center;padding:62px 20px}.final-cta p{font-size:13px;opacity:.85;margin:16px 0 24px}.final-cta .btn{background:white;color:var(--accent);border-color:white}.site-footer .wrap{display:flex;align-items:center;justify-content:space-between;padding:29px 0;font-size:10px;color:var(--muted)}.lightbox{border:0;border-radius:10px;padding:0;background:#f7f8fa;width:min(900px,calc(100% - 28px));max-height:92vh;color:#172234}.lightbox::backdrop{background:#071c32bb}.lightbox .modal-top{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;position:sticky;top:0;background:#fff;z-index:1;font-size:12px}.lightbox .modal-top button{border:1px solid #d0d8e4;background:white;border-radius:4px;padding:5px 12px}.lightbox img{max-width:100%;max-height:none;width:100%;object-fit:contain}.empty-note{padding:24px;font-size:13px}.sr-only{position:absolute;width:1px;height:1px;clip:rect(0,0,0,0);overflow:hidden}.skip-link{position:absolute;left:20px;top:-100px;z-index:200;padding:10px;background:white}.skip-link:focus{top:10px}
.real-cover{border:1px solid #dde2e9;border-left:4px solid #183441;box-shadow:5px 7px 0 #dbe1d8,9px 15px 18px #17223414;border-radius:0 3px 3px 0;overflow:hidden;transition:transform .2s}.real-cover img{width:100%;aspect-ratio:.707;object-fit:cover}.shelf-cell:hover .real-cover{transform:translateY(-6px)}
/* 01 / editorial academy */
.d1{--paper:#f8f7f3;--accent:#2547d7;--soft:#edf1ff}.d1 .hero{border-bottom:1px solid var(--line)}.d1 .portrait-box{height:470px;border-radius:130px 8px 8px 8px}.d1 .portrait-box img{object-position:58% top}.d1 .portrait-box:before{content:'FREE CLASS';position:absolute;top:27px;right:22px;color:var(--accent);font:700 10px 'DM Sans';letter-spacing:1px;z-index:1}.d1 .hero .floating-label{position:absolute;left:-20px;top:32px;background:var(--accent);color:#fff;padding:14px;font-size:12px;z-index:2}.d1 .portrait-wrap{position:relative}.d1 .book-shelf{margin-top:47px;gap:30px}.d1 .hero-shelf{background:#f0efeb;border-top:1px solid var(--line);padding:30px 0}.d1 .hero-shelf .wrap{padding:0;display:flex;justify-content:space-between;align-items:center;gap:20px}.d1 .hero-shelf .mini-cover{display:flex;align-items:center;gap:10px}.mini-cover .mini-number{font:600 23px 'DM Sans';letter-spacing:-1px}.mini-cover span{font-size:10px;color:var(--muted)}
/* 02 / cinema */
.d2{--paper:#f5f6f8;--accent:#2645cb;--soft:#edf1ff}.d2 .site-header{background:#101d2e;color:#fff;border-color:#314051}.d2 .free-strip{background:#cfef66;color:#152332}.d2 .hero{background:#101d2e;color:white}.d2 .hero .wrap{padding:70px 0 58px}.d2 .hero-grid{grid-template-columns:1.12fr 1fr;gap:48px}.d2 .hero-copy h1 em{color:#cfef66}.d2 .hero-copy>p{color:#b8c2d3}.d2 .hero-copy .eyebrow{color:#cfef66}.d2 .hero .btn{background:#cfef66;border-color:#cfef66;color:#122337}.d2 .hero .btn.light{background:none;border-color:#485366;color:white}.d2 .hero-meta{border-color:#3b4759}.d2 .hero-meta span{color:#b8c2d3}.d2 .portrait-box{height:460px;border-radius:10px}.d2 .portrait-box img{object-position:58% top}.video-tag{position:absolute;top:18px;left:18px;background:#122337;display:flex;align-items:center;color:#fff;padding:9px 13px;border-radius:5px;font:500 11px 'DM Sans'}.video-tag i{height:7px;width:7px;background:#cfef66;border-radius:100%;margin-right:8px}.play-badge{position:absolute;right:24px;top:24px;background:#ef3b3b;border-radius:50%;height:62px;width:62px;display:grid;place-items:center;font-size:23px;color:#fff}.d2 .cinema-row{display:flex;gap:9px;margin-top:32px;padding-top:25px;border-top:1px solid #3b4759}.d2 .cinema-row a{border:1px solid #455264;border-radius:3px;font:600 17px 'DM Sans';padding:9px 13px}.d2 .course-tabs{border-radius:0}.d2 .test-card{border-radius:0}.d2 .lecture-section{background:#101d2e}.d2 .final-cta{background:#101d2e}.d2 .final-cta .btn{background:#cfef66;color:#122337;border-color:#cfef66}
/* 03 / bookstore */
.d3{--paper:#fff;--accent:#176457;--soft:#ecf3ed;--ink:#193d35;--muted:#587069;--line:#dbe6df}.d3 .free-strip{background:#e8f0e8;color:#193d35;border-bottom:1px solid #dbe6df}.d3 .hero .wrap{padding:51px 0 38px}.d3 .catalog-top{display:grid;grid-template-columns:1.25fr .65fr;gap:60px;align-items:center;margin-bottom:36px}.d3 h1{font-size:clamp(36px,4vw,56px)}.d3 .teacher-card{display:grid;grid-template-columns:120px 1fr;border:1px solid var(--line);background:var(--soft);border-radius:7px;overflow:hidden;align-items:center}.d3 .teacher-card img{height:160px;width:120px;object-fit:cover;object-position:58% top}.d3 .teacher-card>div{padding:20px 18px}.d3 .teacher-card strong{font-size:20px}.d3 .teacher-card p{font-size:11px;color:var(--muted);margin:10px 0}.d3 .teacher-card a{font-size:11px;font-weight:700;color:var(--accent)}.d3 .book-shelf{padding:30px 42px 23px;background:#f4f5ef;border:1px solid var(--line);gap:38px}.d3 .cover-art .cover-num{font-size:55px}.d3 .catalog-bottom{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-top:28px}.d3 .catalog-bottom .hero-cta{margin:0}.d3 .catalog-bottom>p{font-size:13px;color:var(--muted)}.d3 .course-tabs{border:0;border-bottom:1px solid var(--line);border-radius:0}.d3 .course-tab{border:0}.d3 .course-tab[aria-selected=true]{background:var(--soft);color:var(--accent);box-shadow:inset 0 -3px 0 var(--accent)}.d3 .lecture-section{background:#193d35}.d3 .file-detail{border-radius:0}
/* 04 / roadmap */
.d4{--paper:#f7f4fc;--accent:#6038a4;--soft:#ede5f7;--ink:#282038;--muted:#6a607b;--line:#ddd5e6}.d4 .free-strip{background:#ede5f7;color:#402168}.d4 .hero-grid{grid-template-columns:1fr 1fr;gap:55px}.d4 .hero-copy h1{font-size:clamp(36px,4vw,58px)}.d4 .roadmap-visual{padding:30px 28px;background:white;border:1px solid var(--line);border-radius:12px;position:relative}.d4 .roadmap-visual .visual-label{font-size:11px;font-weight:600;margin-bottom:20px;color:var(--muted)}.ladder{display:flex;align-items:end;gap:9px;height:210px;border-bottom:1px solid var(--line)}.ladder a{flex:1;text-align:center;background:var(--soft);border-radius:6px 6px 0 0;height:calc(62px + var(--i)*25px);padding-top:13px;position:relative;color:var(--accent)}.ladder a:last-child{background:var(--accent);color:white}.ladder strong{font:600 23px 'DM Sans';display:block;letter-spacing:-1px}.ladder span{font-size:9px;display:block}.ladder .ladder-dot{width:7px;height:7px;border-radius:100%;background:currentColor;position:absolute;bottom:15px;left:calc(50% - 3px)}.d4 .mentor-line{display:flex;align-items:center;gap:14px;margin-top:26px;padding-top:23px;border-top:1px solid var(--line)}.d4 .mentor-line img{width:70px;height:70px;object-fit:cover;object-position:58% top;border-radius:50%}.d4 .mentor-line p{font-size:11px;color:var(--muted)}.d4 .mentor-line strong{font-size:16px}.d4 .mentor-line .youtube-icon{margin-left:auto}.d4 .route-note{display:flex;gap:12px;margin-top:18px;font-size:10px;color:var(--muted)}.d4 .route-note span{border-left:2px solid var(--accent);padding-left:9px}.d4 .value-band{background:white}.d4 .test-section{background:#ede5f7}.d4 .lecture-section{background:#322244}.d4 .study-step{border-color:var(--accent)}
/* 05 / magazine */
.d5{--paper:#fff9f2;--accent:#a7442c;--soft:#fbede3;--ink:#32221d;--muted:#7d665c;--line:#e8dcd3}.d5 .free-strip{background:#a7442c}.d5 .hero .wrap{padding-top:45px;padding-bottom:40px}.d5 .magazine-title{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;margin-bottom:34px;border-bottom:1px solid var(--line)}.d5 .magazine-title span{font:500 11px 'DM Sans';letter-spacing:2px}.d5 .magazine-grid{display:grid;grid-template-columns:1fr 1fr .47fr;gap:35px;align-items:center}.d5 h1{font-size:clamp(38px,4vw,58px)}.d5 .portrait-box{height:430px;border-radius:180px 180px 4px 4px;outline:1px solid var(--line);outline-offset:8px}.d5 .portrait-box img{object-position:57% top}.d5 .teacher-caption{bottom:20px;left:16px;right:16px;padding:13px}.d5 .teacher-caption strong{font-size:18px}.mag-aside{border-top:1px solid var(--ink);padding-top:18px}.mag-aside .aside-number{font:500 46px 'DM Sans';letter-spacing:-2px;color:var(--accent)}.mag-aside p{font-size:11px;line-height:1.9;color:var(--muted);margin-top:7px}.mag-aside .aside-unit{padding:16px 0;border-bottom:1px solid var(--line)}.d5 .hero .btn{border-radius:100px}.d5 .hero .mini-note{font-size:10px!important}.d5 .course-tabs{border-radius:0;border-left:0;border-right:0}.d5 .course-tab[aria-selected=true]{background:#a7442c}.d5 .lecture-section{background:#32221d}.d5 .test-card{border-radius:2px}.d5 .file-detail{border-radius:2px}.d5 .final-cta{background:#a7442c}
/* comparison gallery */
.gallery{--paper:#f5f4f1;--ink:#202734;--accent:#244ad5;--line:#d8dbdf;background:var(--paper)}.gallery-header{padding:31px 0;border-bottom:1px solid var(--line)}.gallery-header .wrap{display:flex;align-items:center;justify-content:space-between}.gallery-header span{font-size:11px;color:var(--muted)}.gallery-intro{padding:55px 0 38px}.gallery-intro .eyebrow{color:var(--accent);margin-bottom:16px}.gallery-intro h1{font-size:44px;letter-spacing:-.05em}.gallery-intro p{max-width:620px;color:var(--muted);font-size:14px;margin-top:20px;line-height:1.9}.gallery-metrics{margin-top:27px;display:flex;gap:9px;flex-wrap:wrap}.gallery-metrics span{font-size:11px;padding:6px 12px;border:1px solid var(--line);border-radius:100px;background:#fff}.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;padding-bottom:55px}.proposal-card{background:#fff;border:1px solid var(--line);border-radius:9px;overflow:hidden;transition:transform .2s,box-shadow .2s}.proposal-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px #17223410}.proposal-card.featured{grid-column:1/-1;display:grid;grid-template-columns:1.45fr 1fr}.proposal-preview{aspect-ratio:1.52;position:relative;overflow:hidden;background:#f0efeb;border-bottom:1px solid var(--line)}.proposal-preview img{width:100%;height:100%;object-fit:cover;object-position:top}.proposal-card.featured .proposal-preview{border-bottom:0;border-right:1px solid var(--line);aspect-ratio:1.45}.proposal-body{padding:25px 29px;display:flex;flex-direction:column;justify-content:center}.proposal-number{display:flex;align-items:center;justify-content:space-between;font-size:11px;margin-bottom:18px;color:var(--muted)}.proposal-number b{background:#e9eeff;color:#244ad5;font-size:10px;padding:4px 9px;border-radius:100px}.proposal-body h2{font-size:27px;letter-spacing:-.04em}.proposal-body>p{font-size:12px;color:var(--muted);line-height:1.9;margin-top:13px}.score-line{display:flex;justify-content:space-between;align-items:center;margin:22px 0 15px;border-top:1px solid var(--line);padding-top:20px}.score-line strong{font:700 32px 'DM Sans';letter-spacing:-1.5px;color:#244ad5}.score-line strong small{font:400 11px 'Noto Sans KR';letter-spacing:0;color:var(--muted)}.proposal-body .btn{width:100%}.score-tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:16px}.score-tags span{background:#f5f6f8;padding:4px 7px;font-size:9px;color:var(--muted)}.rubric{background:white;border-top:1px solid var(--line);padding:55px 0}.rubric .wrap{display:grid;grid-template-columns:.8fr 1.4fr;gap:50px}.rubric h2{font-size:27px}.rubric p{font-size:12px;color:var(--muted);margin-top:16px}.rubric table{width:100%;border-collapse:collapse;font-size:12px}.rubric th,.rubric td{padding:12px;text-align:left;border-bottom:1px solid var(--line)}.rubric th{font-weight:600;background:#f5f6f8}.gallery-footer{padding:26px 0;font-size:11px;color:var(--muted)}.mobile-dock{display:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media(max-width:1000px){.hero-grid,.d2 .hero-grid,.d4 .hero-grid{gap:35px}.hero .wrap{padding-top:45px}.hero-meta{gap:20px}.portrait-box,.d1 .portrait-box,.d2 .portrait-box{height:420px}.d3 .book-shelf{gap:20px;padding:25px}.d3 .cover-art .cover-num{font-size:42px}.d5 .magazine-grid{grid-template-columns:1fr 1fr;gap:40px}.d5 .mag-aside{display:none}.d5 .portrait-box{height:410px}.detail-main{grid-template-columns:1fr 170px;gap:22px;padding:24px}.book-explorer{grid-template-columns:225px 1fr}.lecture-grid{gap:40px}.section{padding:65px 0}.test-card{padding:23px}.proposal-body{padding:22px}.proposal-card.featured{grid-template-columns:1.2fr 1fr}.proposal-card.featured .proposal-preview{aspect-ratio:1.05}}
@media(max-width:760px){:root{--max:600px}.wrap{width:calc(100% - 36px)}.review-nav .wrap{padding:8px 0}.review-nav .review-name{display:none}.review-nav .design-switch{gap:6px}.site-header .wrap{height:64px}.site-links{gap:16px;font-size:11px}.site-links a:nth-child(2){display:none}.brand{font-size:23px}.brand small{font-size:9px}.free-strip{font-size:11px;padding:9px 12px}.free-strip b{margin-right:4px}.hero-grid,.d2 .hero-grid,.d4 .hero-grid{grid-template-columns:1fr;gap:32px}.hero .wrap,.d2 .hero .wrap{padding:34px 0 30px}h1{font-size:42px}.hero-copy>p{font-size:13px;margin-top:19px}.hero-copy .eyebrow{font-size:10px;margin-bottom:18px}.hero-cta{gap:8px;margin-top:24px}.btn{font-size:12px;padding:11px 15px;gap:15px;min-height:44px}.hero-meta{padding-top:20px;margin-top:24px;gap:35px}.hero-meta strong{font-size:24px}.hero-meta span{font-size:10px}.d1 .portrait-box,.d2 .portrait-box{height:340px;max-width:440px;margin:auto}.d1 .portrait-box{border-radius:85px 5px 5px 5px}.portrait-box img{object-position:center 20%!important}.teacher-caption{bottom:15px;left:16px;right:16px;padding:11px 15px}.teacher-caption strong{font-size:18px}.d1 .hero .floating-label{left:7px;top:12px;padding:10px;font-size:10px}.d1 .hero-shelf .wrap{gap:8px;overflow-x:auto;align-items:center}.d1 .hero-shelf{padding:20px 0}.mini-cover{min-width:70px;flex-direction:column;align-items:start!important;gap:3px!important}.mini-cover .mini-number{font-size:20px}.mini-cover span{font-size:9px}.value-band .wrap{padding:22px 0;gap:13px}.value-item{padding:0 0 0 13px}.value-item strong{font-size:12px}.value-item p{font-size:10px}.value-item span{font-size:9px}.section{padding:48px 0}.section-intro{display:block;margin-bottom:25px}.section-intro p{font-size:12px;margin-top:15px}.section-intro .eyebrow{font-size:10px;margin-bottom:10px}h2{font-size:29px}.course-tabs{margin-bottom:25px;border-radius:5px}.course-tab{padding:14px 2px}.course-tab strong{font-size:21px}.course-tab span{font-size:8px}.course-overview{grid-template-columns:1fr;gap:23px;margin-bottom:27px}.course-overview h3{font-size:27px}.course-overview>div>p{font-size:12px}.course-stats>div{padding:14px 17px}.course-stats strong{font-size:22px}.course-stats span{font-size:10px}.category-tabs{margin-bottom:15px}.category-tab{font-size:11px;padding:7px 14px}.book-explorer{grid-template-columns:1fr;gap:17px}.file-list{display:grid;grid-template-columns:1fr 1fr;gap:7px}.file-choice{padding:12px;font-size:11px}.file-choice small{font-size:9px}.detail-head{padding:21px}.detail-head h4{font-size:21px}.detail-head>p{font-size:12px}.detail-main{padding:21px;grid-template-columns:1fr 140px;gap:19px}.detail-main h5{font-size:12px}.detail-main ul{font-size:11px;padding-left:15px}.detail-main li{margin-bottom:7px}.sample-caption{font-size:9px}.detail-bottom{padding:14px 21px;font-size:10px}.detail-bottom button{font-size:10px}.test-grid{grid-template-columns:1fr;gap:15px}.test-card{padding:23px}.test-card .number{font-size:27px;margin-bottom:13px}.test-card h3{font-size:18px}.test-card>p{font-size:12px}.test-example{margin-top:17px;padding-top:14px}.lecture-grid{grid-template-columns:1fr;gap:28px}.lecture-photo{max-width:280px}.lecture-photo img{height:240px;object-position:center 15%}.lecture-section p{font-size:12px}.study-grid{grid-template-columns:1fr 1fr;gap:25px;margin-top:28px}.study-step p{font-size:11px}.faq-grid{grid-template-columns:1fr;gap:24px}.faq-list summary{font-size:12px}.faq-list details{padding:17px 0}.final-cta{padding:42px 18px}.site-footer .wrap{display:block;padding:24px 0 85px}.site-footer p{margin-top:9px}.d2 .cinema-row{gap:7px;justify-content:space-between;margin-top:22px;padding-top:20px}.d2 .cinema-row a{font-size:15px;padding:8px 10px}.play-badge{height:48px;width:48px;font-size:19px}.d3 .catalog-top{grid-template-columns:1fr;gap:26px;margin-bottom:24px}.d3 .hero .wrap{padding-top:30px}.d3 .teacher-card{grid-template-columns:88px 1fr}.d3 .teacher-card img{width:88px;height:115px}.d3 .teacher-card>div{padding:12px 16px}.d3 .teacher-card strong{font-size:18px}.d3 .teacher-card p{margin:6px 0;font-size:10px}.d3 h1{font-size:39px}.d3 .book-shelf{grid-template-columns:repeat(3,1fr);gap:27px 24px;padding:22px 26px}.d3 .cover-art .cover-num{font-size:45px}.d3 .catalog-bottom{display:block;margin-top:23px}.d3 .catalog-bottom .hero-cta{margin-top:18px}.d3 .catalog-bottom>p{font-size:12px}.d4 .hero-copy h1{font-size:40px}.d4 .roadmap-visual{padding:24px 19px}.ladder{height:195px;gap:7px}.ladder a{height:calc(53px + var(--i)*24px)}.ladder strong{font-size:21px}.ladder span{font-size:8px}.d4 .mentor-line img{width:55px;height:55px}.d4 .mentor-line{gap:10px}.d4 .mentor-line strong{font-size:15px}.d4 .mentor-line p{font-size:10px}.d4 .route-note{font-size:9px}.d5 .hero .wrap{padding-top:23px}.d5 .magazine-title{margin-bottom:24px;padding-bottom:14px}.d5 .magazine-title span{font-size:9px;letter-spacing:1px}.d5 .magazine-grid{grid-template-columns:1fr;gap:30px}.d5 h1{font-size:42px}.d5 .portrait-box{height:350px;max-width:350px;margin:auto;border-radius:170px 170px 4px 4px}.d5 .hero-copy .eyebrow{margin-bottom:13px}.gallery-header{padding:21px 0}.gallery-header span{font-size:10px}.gallery-intro{padding:36px 0 27px}.gallery-intro h1{font-size:33px}.gallery-intro p{font-size:12px;margin-top:16px}.gallery-intro .eyebrow{font-size:10px}.gallery-metrics{gap:7px;margin-top:21px}.gallery-metrics span{font-size:10px;padding:5px 9px}.gallery-grid{grid-template-columns:1fr;gap:21px;padding-bottom:38px}.proposal-card.featured{grid-column:auto;display:block}.proposal-card.featured .proposal-preview{aspect-ratio:1.52;border-right:0;border-bottom:1px solid var(--line)}.proposal-body{padding:23px}.proposal-body h2{font-size:25px}.proposal-number{margin-bottom:13px}.proposal-body>p{font-size:12px}.score-line{margin:18px 0 14px;padding-top:16px}.rubric{padding:36px 0}.rubric .wrap{grid-template-columns:1fr;gap:25px}.rubric table{font-size:10px}.rubric th,.rubric td{padding:9px 6px}.gallery-footer{font-size:10px}.mobile-dock{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:15;background:rgba(255,255,255,.98);padding:10px 18px;border-top:1px solid var(--line);gap:10px}.mobile-dock a{flex:1;font-size:11px;border-radius:4px;padding:10px;text-align:center;color:var(--ink);border:1px solid var(--line)}.mobile-dock a:last-child{background:var(--accent);color:white;border-color:var(--accent)}}
@media(max-width:380px){h1,.d4 .hero-copy h1,.d5 h1{font-size:36px}.detail-main{grid-template-columns:1fr}.sample-shot{max-width:230px;margin:auto}.course-tab span{font-size:7px}.hero-meta{gap:25px}.ladder strong{font-size:18px}.site-links .nav-cta{padding:6px 8px}.free-strip{font-size:10px}}
/* Print + study additions */
.study-teaser{background:var(--soft);border-top:1px solid var(--line)}.study-teaser-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}.study-teaser h2{margin-top:15px}.study-teaser-grid>div>p{font-size:14px;color:var(--muted);margin:22px 0}.study-price-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:33px}.study-price-card>span{font:600 10px 'DM Sans';letter-spacing:1px;color:var(--muted)}.study-price-card h3{margin:13px 0 6px}.study-price{font:700 52px 'DM Sans';letter-spacing:-2px;color:var(--accent);line-height:1.3}.study-price small{font:600 18px 'Noto Sans KR';letter-spacing:0;margin-left:5px}.study-price-card>p{font-size:14px!important;margin:10px 0 19px!important;color:var(--ink)!important}.study-price-tags{display:flex;gap:8px;border-top:1px solid var(--line);padding-top:18px;margin-bottom:18px}.study-price-tags span{font-size:10px;background:var(--soft);padding:5px 9px;border-radius:4px}.study-price-card>small{font-size:10px;line-height:1.9;display:block;color:var(--muted)}.format-section{border-top:1px solid var(--line);background:#fff}.format-section h2{margin:14px 0 33px}.format-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.format-grid article{border-top:2px solid var(--accent);padding:22px 0}.format-grid h3{margin:18px 0 12px;font-size:20px}.format-grid p{font-size:13px;color:var(--muted)}.gallery-study{padding:0 0 55px;display:flex;justify-content:space-between;align-items:center;gap:30px}.gallery-study h2{font-size:28px;margin:12px 0}.gallery-study p{font-size:12px;color:var(--muted)}
/* Separate study landing */
.study-page{--paper:#f8f7f3;--accent:#2547d7;--soft:#edf1ff}.study-hero{padding:65px 0 62px}.study-hero-grid{display:grid;grid-template-columns:1.08fr .9fr;gap:80px;align-items:center}.study-hero h1{margin-top:21px}.study-hero em{font-style:normal;color:var(--accent)}.study-lead{font-size:15px;line-height:1.95;color:var(--muted);margin-top:26px}.study-hero-meta{display:flex;gap:35px;border-top:1px solid var(--line);margin-top:30px;padding-top:23px}.study-hero-meta strong{font-size:25px;display:block;letter-spacing:-1px}.study-hero-meta span{font-size:11px;color:var(--muted)}.daily-board{border:1px solid #d5deee;border-radius:12px;background:white;padding:27px;box-shadow:0 14px 45px #243c5710;transform:rotate(1deg)}.board-header{display:flex;align-items:center;justify-content:space-between;font:700 10px 'DM Sans';letter-spacing:1.4px;color:var(--muted)}.board-dot{background:#2547d7;width:8px;height:8px;border-radius:50%;box-shadow:0 0 0 5px #edf1ff}.clock-display{font:700 104px 'DM Sans';letter-spacing:-8px;text-align:center;margin-top:12px;color:var(--accent);line-height:1.2}.clock-display span{color:#142944}.clock-sub{text-align:center;font-size:12px;color:var(--muted);margin-top:4px}.board-list{margin-top:25px}.board-list>div{display:flex;align-items:center;gap:15px;border-top:1px solid var(--line);padding:15px 0}.board-list b{font:700 15px 'DM Sans';color:var(--accent)}.board-list p{font-size:13px;font-weight:600}.board-list small{display:block;font-size:10px;font-weight:400;color:var(--muted);margin-top:3px}.board-list>div>span{margin-left:auto;font:600 9px 'DM Sans';color:var(--muted)}.board-mentor{display:flex;align-items:center;gap:12px;background:var(--soft);padding:13px;border-radius:6px;margin-top:9px}.board-mentor img{width:46px;height:46px;object-fit:cover;object-position:58% top;border-radius:50%}.board-mentor strong{font-size:11px}.board-mentor small{display:block;font-size:9px;color:var(--muted)}.board-mentor .youtube-icon{margin-left:auto;margin-right:0}.study-course-summary{display:grid;grid-template-columns:1.45fr .65fr;gap:45px;align-items:center}.study-course-summary h3{font-size:29px;margin:13px 0}.study-course-summary>div>p{font-size:13px;color:var(--muted);line-height:1.95}.study-course-summary aside{padding:27px;background:var(--paper);border:1px solid var(--line);border-radius:6px}.study-course-summary aside>span{font-size:10px;color:var(--muted)}.study-course-summary aside h4{font-size:32px;margin-top:12px;color:var(--accent);letter-spacing:-1px}.study-course-summary aside>p{font-size:11px;color:var(--muted);margin-top:6px}.study-course-summary aside>div{border-top:1px solid var(--line);margin-top:20px;padding-top:17px;display:flex;align-items:center;justify-content:space-between;gap:10px}.study-course-summary aside>div b{font-size:17px}.study-course-summary aside>div span{font-size:10px;color:var(--muted)}.study-target{font-size:11px!important;margin:16px 0}.text-link{color:var(--accent);font-size:12px;font-weight:600}.course-routine{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:32px}.course-routine>div{display:flex;align-items:center;gap:14px;border:1px solid var(--line);padding:17px 20px;border-radius:5px}.course-routine span{color:var(--accent);font:700 17px 'DM Sans'}.course-routine b{font-size:12px}.study-method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}.study-method-grid article{border-top:2px solid var(--accent);padding-top:20px}.study-method-grid span{font:600 10px 'DM Sans';color:var(--accent)}.study-method-grid h3{font-size:19px;margin:17px 0 14px}.study-method-grid p{font-size:12px;color:var(--muted);line-height:1.9}.quizlet-section{background:#e9eeff}.quizlet-grid{display:grid;grid-template-columns:1.1fr .75fr;gap:90px;align-items:center}.quizlet-grid h2{margin:16px 0 23px}.quizlet-grid p{font-size:14px;color:var(--muted);line-height:1.95}.quizlet-grid .pill{margin-top:22px;color:var(--accent)}.flash-demo{border:1px solid #bfc9e1;background:#fff;border-radius:9px;text-align:center;padding:22px;box-shadow:6px 7px 0 #cbd4ec}.flash-top{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted)}.flash-top span{font:600 9px 'DM Sans';letter-spacing:1px}.flash-word{font:600 40px 'DM Sans','Noto Sans KR';line-height:1.4;letter-spacing:-1px;min-height:96px;display:flex;align-items:center;justify-content:center;margin-top:22px;color:var(--accent)}.flash-demo #flash-hint{font-size:11px;margin:9px 0 20px}.flash-demo>small{font-size:8px;display:block;color:var(--muted);margin-top:20px}.participation-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}.participation-grid h2{margin:14px 0 24px}.participation-grid>div>p{font-size:13px;line-height:1.9}.participation-grid>div>a{margin-top:25px}.participation-card{background:#fff;border:1px solid var(--line);padding:33px;border-radius:8px}.participation-card h3{margin:19px 0 9px}.participation-card dl{font-size:11px;margin:20px 0}.participation-card dl>div{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-top:1px solid var(--line)}.participation-card dt{color:var(--muted)}.participation-card dd{margin:0;text-align:right}.participation-note{font-size:10px!important;color:var(--muted);padding:14px;background:var(--paper);margin-bottom:22px}.participation-card>.btn{width:100%}.faq-section{border-top:1px solid var(--line)}
@media(max-width:1000px){.study-hero-grid{gap:45px}.clock-display{font-size:90px}.quizlet-grid{gap:55px}.study-method-grid{grid-template-columns:1fr 1fr;gap:32px}.course-routine>div{padding:15px 13px}.course-routine b{font-size:11px}}
@media(max-width:760px){.study-teaser-grid,.study-hero-grid,.study-course-summary,.quizlet-grid,.participation-grid{grid-template-columns:1fr;gap:30px}.study-teaser-grid>div>p{font-size:12px}.study-price-card{padding:24px}.study-price{font-size:45px}.format-grid{grid-template-columns:1fr;gap:10px}.format-grid article{padding:18px 0}.format-grid h3{font-size:18px;margin:14px 0 10px}.format-grid p{font-size:12px}.gallery-study{display:block;padding-bottom:35px}.gallery-study h2{font-size:25px}.gallery-study .btn{margin-top:20px}.study-hero{padding:34px 0}.study-hero h1{font-size:40px;margin-top:16px}.study-hero .eyebrow{font-size:10px}.study-lead{font-size:12px;margin-top:20px}.study-hero-meta{gap:30px;padding-top:20px;margin-top:25px}.study-hero-meta strong{font-size:23px}.study-hero-meta span{font-size:10px}.daily-board{padding:22px;transform:none}.clock-display{font-size:95px;margin-top:14px}.board-list>div{gap:13px}.board-list p{font-size:12px}.board-mentor strong{font-size:10px}.study-course-summary h3{font-size:25px}.study-course-summary>div>p{font-size:12px}.study-course-summary aside{padding:23px}.study-course-summary aside h4{font-size:29px}.course-routine{grid-template-columns:1fr;gap:8px;margin-top:20px}.course-routine>div{padding:13px 18px}.course-routine b{font-size:12px}.study-method-grid{gap:28px 23px}.study-method-grid h3{font-size:16px;margin:12px 0}.study-method-grid p{font-size:11px}.study-method-grid span{font-size:9px}.quizlet-grid p{font-size:12px}.quizlet-grid h2{margin:12px 0 18px}.flash-demo{margin-right:6px;padding:22px}.flash-word{font-size:34px;min-height:90px}.participation-card{padding:24px}.participation-card dl{font-size:10px}.participation-card dl>div{gap:10px}.participation-grid>div>p{font-size:12px}.study-page .site-links{gap:12px}}
.real-cover img,.sample-shot img{height:auto}
.pricing-main{padding:60px 0}.pricing-main h1{font-size:50px;margin:17px 0 24px}.pricing-lead{max-width:760px;font-size:14px;line-height:1.9;color:var(--muted)}.pricing-main section{margin-top:50px}.pricing-main h2{font-size:28px;margin-bottom:22px}.pricing-main table{width:100%;border-collapse:collapse;font-size:13px;background:white}.pricing-main th,.pricing-main td{padding:17px 20px;border-bottom:1px solid var(--line);text-align:left}.pricing-main th{background:var(--soft);font-weight:600}.pricing-notes{display:grid;grid-template-columns:1fr 1fr;gap:32px 44px}.pricing-notes article{border-top:2px solid var(--accent);padding-top:20px}.pricing-notes h3{font-size:22px;margin:15px 0}.pricing-notes p{font-size:12px;color:var(--muted);line-height:1.95;margin-top:12px}.pricing-notes a{color:var(--accent)}.pricing-page .table-scroll{overflow-x:auto}.pricing-page .eyebrow{font-size:10px}@media(max-width:760px){.pricing-main{padding:35px 0}.pricing-main h1{font-size:36px}.pricing-lead{font-size:12px}.pricing-main h2{font-size:23px}.pricing-main section{margin-top:35px}.pricing-main th,.pricing-main td{padding:12px 9px;font-size:10px;min-width:90px}.pricing-notes{grid-template-columns:1fr;gap:30px}.pricing-notes h3{font-size:20px}.pricing-notes p{font-size:11px}.pricing-page .review-nav{font-size:10px}}

.free-channel{display:inline-flex;align-items:center;white-space:nowrap;font-weight:700;text-decoration:underline;text-underline-offset:3px;margin-left:16px;padding:3px 0}@media(max-width:760px){.free-channel{margin-left:8px}}

/* Official brand and a prominent introduction to the in-house study app. */
@font-face{font-family:'Tuna Sales Sans';src:url('assets/fonts/tuna-study-regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Tuna Sales Sans';src:url('assets/fonts/tuna-study-semibold.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Tuna Sales Sans';src:url('assets/fonts/tuna-study-bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
.brand-official{display:inline-flex;align-items:center;min-height:44px;vertical-align:middle}.brand-official img{width:94px;height:auto}.d2 .site-header .brand-official img{background:#fff;border-radius:6px;padding:4px}.site-header .wrap{gap:24px}.site-links{gap:20px}.flash-nav-link{color:var(--accent)}.d2 .flash-nav-link{color:#cfef66}
.flash-showcase{background:linear-gradient(180deg,#f7f8ff 0%,#fff 85%);border-bottom:1px solid #e4e7f0;font-family:'Tuna Sales Sans',sans-serif;color:#192439;position:relative}.flash-showcase .wrap{max-width:1120px}.flash-intro{text-align:center;margin:0 auto 44px;max-width:800px}.flash-pill{display:inline-flex;border:1px solid #dcdff1;background:#fff;color:#343483;border-radius:100px;font-size:12px;font-weight:600;padding:7px 15px}.flash-product-name{font-size:14px;font-weight:700;letter-spacing:2.6px;color:#343483;margin:24px 0 12px}.flash-intro h2{font-size:clamp(30px,3.8vw,48px);letter-spacing:-1.5px;font-weight:700;line-height:1.3}.flash-intro>p:last-child{color:#657089;font-size:15px;line-height:1.9;margin-top:20px}.flash-product-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:70px;max-width:990px;margin:auto}.flash-product-copy>.eyebrow{font-size:10px;color:#6c72a3;letter-spacing:1.8px}.flash-product-copy h3{font-size:30px;font-weight:700;line-height:1.45;letter-spacing:-.9px;margin:12px 0 18px}.flash-product-copy>p:not(.eyebrow):not(.flash-access){font-size:14px;line-height:1.95;color:#657089}.flash-facts{display:flex;gap:28px;margin:24px 0 28px}.flash-facts>span{font-size:12px;color:#657089}.flash-facts b{display:block;font-size:31px;line-height:1.3;letter-spacing:-.8px;color:#343483;margin-bottom:3px}.flash-start{background:#303087!important;border-color:#303087!important;border-radius:10px;font-size:14px;padding:16px 22px;box-shadow:0 5px 14px #30308712}.flash-start:hover{background:#242467!important;transform:translateY(-1px)}.flash-access{color:#7a8196;font-size:11px;margin-top:12px}.flash-product-demo{border:1px solid #e0e3f0;border-radius:20px;background:#f0f2fa;padding:16px;box-shadow:0 14px 35px #2d32670f;display:block;transition:transform .2s}.flash-product-demo:hover{transform:translateY(-3px)}.flash-demo-top{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:#737e92;padding:0 5px 14px;gap:15px}.flash-demo-top>span:first-child{font-size:11px;font-weight:700;color:#303087;letter-spacing:1px}.flash-demo-card{background:#fff;border:1px solid #e1e4ee;border-radius:13px;padding:24px 28px;text-align:center}.flash-demo-label{font-size:10px;color:#8590a1}.flash-demo-card>strong{display:block;font-size:46px;font-weight:700;letter-spacing:-1px;line-height:1.3;margin:19px 0 2px}.flash-demo-ipa{font-size:12px;color:#788297}.flash-demo-card>p{font-size:11px;color:#788297;margin:20px 0 15px}.flash-demo-sense{display:flex;align-items:flex-start;gap:12px;margin-top:12px;text-align:left;color:#414472}.flash-demo-sense>span{font-size:19px;line-height:23px}.flash-demo-sense i{display:block;min-height:25px;border-bottom:1px solid #cdd1dc;flex:1;width:100%}.flash-demo-sense>div{flex:1;min-width:0}.flash-demo-sense b{font-size:13px;line-height:23px;font-weight:600}.flash-demo-reveal{display:inline-flex;align-items:center;justify-content:center;color:#303087;font-size:11px;font-weight:600;border-radius:7px;background:#f0f0fa;padding:9px 14px;margin-top:21px}.flash-demo-bottom{display:flex;justify-content:space-between;gap:15px;padding:15px 5px 0;font-size:10px;color:#788297}.flash-demo-bottom b{color:#303087;font-weight:600;white-space:nowrap}.flash-features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:46px}.flash-features article{border:1px solid #e6e8f0;background:#fff;border-radius:14px;padding:25px}.flash-feature-icon{display:inline-flex;align-items:center;justify-content:center;background:#f0f0fa;color:#49498f;font-size:13px;font-weight:600;border-radius:8px;min-width:46px;height:36px;padding:0 9px}.flash-features h3{font-size:18px;font-weight:700;margin:16px 0 10px;letter-spacing:-.5px}.flash-features p{font-size:13px;line-height:1.9;color:#69748a}.flash-storage-note{display:flex;align-items:flex-start;justify-content:center;gap:9px;margin:22px auto 0;color:#788297;font-size:11px;text-align:center;max-width:800px;line-height:1.8}.flash-storage-note strong{font-weight:600;color:#5c657c}
.lecture-section{background:radial-gradient(ellipse at 50% 0,#ffffff08,transparent 65%),var(--ink);font-family:'Tuna Sales Sans',sans-serif}.lecture-grid.lecture-centered{grid-template-columns:1fr;justify-items:center;text-align:center;gap:24px;max-width:900px}.lecture-centered .lecture-photo{width:260px;max-width:100%;border-radius:18px;border:1px solid #ffffff20;box-shadow:0 12px 32px #00000020}.lecture-centered .lecture-photo img{height:210px;object-position:center 22%;width:100%;object-fit:cover}.lecture-copy{width:100%;max-width:800px}.lecture-teacher{display:block;color:#bfcce0;font-size:12px;font-weight:600;margin-bottom:19px}.lecture-section .lecture-youtube{display:flex;justify-content:center;align-items:center;gap:9px;font-size:12px;color:#d5deed;letter-spacing:.5px;max-width:none;margin:0 auto}.lecture-youtube .youtube-icon{margin:0}.lecture-copy h2{font-weight:700;font-size:clamp(29px,3.8vw,46px);line-height:1.35;letter-spacing:-1.2px;margin:20px 0}.lecture-section .lecture-lead{font-size:15px;line-height:1.95;color:#bdc9dc;margin:0 auto;max-width:680px}.lecture-mobile-break{display:none}.lecture-course-tags{display:flex;justify-content:center;flex-wrap:wrap;gap:9px;margin-top:23px}.lecture-course-tags>span{font-size:12px;font-weight:600;letter-spacing:.7px;border:1px solid #ffffff24;color:#d2dced;background:#ffffff06;padding:5px 12px;border-radius:100px}.lecture-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:28px}.lecture-section .lecture-actions .btn{margin:0;border-radius:10px;font-size:14px;min-height:52px;gap:14px;padding:14px 23px}.lecture-actions .youtube-icon{margin:0;width:24px;height:17px}.lecture-section .lecture-actions .lecture-flash-link{background:#ffffff06;color:#fff;border-color:#ffffff30}.lecture-section .lecture-copy .small{max-width:none;font-size:11px;line-height:1.8;margin-top:17px;text-align:center;color:#93a3bb}
@media(max-width:1000px){.flash-product-grid{gap:35px}.flash-features article{padding:22px}.site-links{gap:15px;font-size:12px}}
@media(max-width:760px){.brand-official img{width:78px}.site-header .wrap{gap:12px}.site-links{gap:12px;font-size:11px}.site-links a[href="#curriculum"],.site-links a[href="study.html"],.site-links a[href="#lectures"]{display:none}.site-links .flash-nav-link{display:inline-flex;font-weight:700}.flash-showcase{padding:50px 0}.flash-intro{margin-bottom:29px}.flash-pill{font-size:10px;padding:6px 11px}.flash-product-name{font-size:12px;letter-spacing:2px;margin-top:20px}.flash-intro h2{font-size:31px;letter-spacing:-1px}.flash-intro>p:last-child{font-size:12px;line-height:1.9;margin-top:17px}.flash-product-grid{grid-template-columns:1fr;gap:26px;max-width:460px}.flash-product-copy{text-align:center}.flash-product-copy h3{font-size:25px;margin:11px 0 15px}.flash-product-copy>p:not(.eyebrow):not(.flash-access){font-size:12px;line-height:1.9}.flash-facts{justify-content:center;gap:37px;margin:21px 0 24px}.flash-facts b{font-size:28px}.flash-start{font-size:13px;min-height:49px;padding:13px 19px}.flash-access{font-size:10px;margin-top:10px}.flash-product-demo{border-radius:16px;padding:13px;max-width:400px;width:100%;margin:auto}.flash-demo-card{padding:22px 24px}.flash-demo-card>strong{font-size:42px}.flash-features{grid-template-columns:1fr;gap:12px;margin-top:28px}.flash-features article{padding:20px;display:grid;grid-template-columns:46px 1fr;column-gap:14px}.flash-feature-icon{grid-row:1/3;height:36px;margin-top:1px}.flash-features h3{font-size:16px;margin:0 0 6px}.flash-features p{font-size:12px;line-height:1.85}.flash-storage-note{text-align:left;font-size:10px;gap:7px;margin-top:17px}.lecture-grid.lecture-centered{gap:21px}.lecture-centered .lecture-photo{width:220px;border-radius:16px}.lecture-centered .lecture-photo img{height:180px}.lecture-teacher{font-size:11px;margin-bottom:16px}.lecture-section .lecture-youtube{font-size:10px;letter-spacing:0;gap:7px}.lecture-copy h2{font-size:30px;margin:18px 0;letter-spacing:-.9px}.lecture-section .lecture-lead{font-size:12px;line-height:1.95}.lecture-mobile-break{display:block}.lecture-course-tags{gap:7px;margin-top:20px}.lecture-course-tags>span{font-size:10px;padding:4px 10px}.lecture-actions{gap:10px;margin-top:24px}.lecture-section .lecture-actions .btn{font-size:12px;min-height:46px;padding:12px 17px;gap:10px}.lecture-section .lecture-copy .small{font-size:10px;margin-top:15px}}
@media(max-width:380px){.flash-intro h2{font-size:28px}.flash-demo-card{padding:20px}.flash-demo-bottom{font-size:9px;gap:8px}.flash-features article{padding:18px;column-gap:11px}.lecture-copy h2{font-size:27px}.lecture-course-tags{gap:5px}.lecture-course-tags>span{padding:4px 8px}.lecture-actions{flex-direction:column;align-items:center}.lecture-section .lecture-actions .btn{width:min(100%,270px)}.site-header .wrap{gap:8px}.site-links{gap:10px;font-size:10px}.brand-official img{width:72px}}

.flash-product-name{font-size:22px;letter-spacing:1.5px}@media(max-width:760px){.flash-product-name{font-size:18px;letter-spacing:1.2px}}
/* Final design 1: real covers and layered companion books. */
.d1 .collection-hero{background:radial-gradient(ellipse at 50% 48%,#fff 0%,#f8f7f3 68%);font-family:'Tuna Sales Sans',sans-serif}
.d1 .collection-hero>.wrap{padding-top:28px;padding-bottom:24px}
.collection-heading{text-align:center}
.collection-heading .eyebrow{font-size:10px;letter-spacing:2px;color:#737b8b;margin-bottom:12px}
.collection-heading h1{font-size:clamp(30px,3.6vw,46px);font-weight:700;letter-spacing:-1.8px;line-height:1.3}
.collection-heading h1 em{font-style:normal;color:var(--accent)}
.collection-heading>p:last-child{font-size:14px;color:#657083;margin-top:13px;line-height:1.7}
.collection-mobile-break{display:none}
.collection-shelf{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:20px;margin-top:28px}
.collection-course{min-width:0;display:block;border-radius:10px;transition:transform .2s}
.collection-course:hover{transform:translateY(-5px)}
.collection-stack{position:relative;height:244px;isolation:isolate;display:flex;justify-content:center;align-items:flex-end;padding-bottom:12px}
.stack-book{position:absolute;bottom:17px;background:#fff;border:1px solid #dedee0;border-radius:2px;overflow:hidden;transform-origin:center bottom;box-shadow:2px 4px 9px #19243912}
.stack-book img{width:100%;height:auto;aspect-ratio:595/842;object-fit:contain}
.stack-main{width:80%;max-width:144px;z-index:5;box-shadow:5px 10px 16px #18223224}
.stack-main:after{content:'';position:absolute;top:0;left:0;bottom:0;width:5px;background:linear-gradient(90deg,#18223220,transparent)}
.stack-companion{width:71%;max-width:129px;z-index:calc(4 - var(--layer))}
.companion-1{transform:translate(-15px,-12px) rotate(-9deg)}
.companion-2{transform:translate(17px,-23px) rotate(9deg)}
.companion-3{transform:translate(-3px,-37px) rotate(-3deg)}
.stack-count{position:absolute;z-index:6;bottom:3px;left:50%;transform:translateX(-50%);white-space:nowrap;font-size:10px;font-weight:600;background:#fff;border:1px solid #e3e4e8;color:var(--course-color);padding:3px 8px;border-radius:100px;box-shadow:0 2px 5px #17223408}
.stack-pdf{position:absolute;right:3px;top:9px;writing-mode:vertical-rl;font-size:9px;color:var(--course-color);font-weight:700;letter-spacing:1px;background:#fff;padding:3px}
.collection-caption{border-top:2px solid var(--course-color);margin-top:9px;padding:9px 2px 0}
.collection-caption>div{display:flex;align-items:baseline;gap:8px;color:var(--course-color)}
.collection-caption strong{font-size:24px;letter-spacing:-.8px;line-height:1.2}
.collection-caption>div>span{font-size:12px;font-weight:600}
.collection-caption .collection-arrow{margin-left:auto;font-size:14px}
.collection-caption p{font-size:10px;line-height:1.7;margin-top:5px;color:#737b8b;min-height:17px}
.collection-help{font-size:11px;color:#788193;text-align:center;margin-top:19px}
.collection-bottom{display:flex;justify-content:space-between;align-items:center;gap:18px;border-top:1px solid #e3e3e6;padding-top:18px;margin-top:18px}
.collection-mentor{display:flex;align-items:center;gap:12px;min-width:0}
.collection-mentor>img{width:46px;height:46px;object-fit:cover;object-position:52% 14%;border-radius:50%;background:white}
.collection-mentor b{font-size:13px;display:block;color:#303087}
.collection-mentor small{font-size:11px;display:block;color:#788193;margin-top:2px}
.collection-mentor .youtube-icon{margin:0 0 0 8px;flex-shrink:0}
.collection-actions{display:flex;gap:10px}
.collection-actions .btn{font-size:12px;min-height:44px;padding:11px 16px;gap:14px}
.collection-format{font-size:10px;color:#8a91a0;text-align:center;margin-top:13px;line-height:1.7}
@media(max-width:1000px) and (min-width:761px){.collection-shelf{gap:14px}.collection-stack{height:215px}.collection-caption p{font-size:9px}.collection-caption strong{font-size:22px}.collection-caption>div{gap:5px}.collection-bottom{gap:12px}.collection-mentor small{font-size:10px}.collection-actions .btn{padding:11px 12px;font-size:11px}}
@media(max-width:760px){
 .d1 .collection-hero>.wrap{padding-top:24px;padding-bottom:23px}
 .collection-heading h1{font-size:30px;letter-spacing:-1.2px}
 .collection-heading h1 em{display:block}
 .collection-heading .eyebrow{font-size:9px;margin-bottom:10px;letter-spacing:1.6px}
 .collection-heading>p:last-child{font-size:12px;margin-top:11px}
 .collection-mobile-break{display:block}
 .collection-shelf{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px 20px;margin-top:20px;max-width:510px;margin-left:auto;margin-right:auto}
 .collection-stack{height:clamp(127px,36vw,190px);padding-bottom:8px}
 .stack-main{width:76%;max-width:118px;bottom:13px}
 .stack-companion{width:68%;max-width:105px;bottom:13px}
 .companion-1{transform:translate(-10px,-8px) rotate(-8deg)}
 .companion-2{transform:translate(10px,-13px) rotate(8deg)}
 .companion-3{transform:translate(-2px,-22px) rotate(-3deg)}
 .stack-count{font-size:8px;bottom:0;padding:2px 6px}
 .stack-pdf{font-size:7px;right:1px;top:5px;padding:2px}
 .collection-caption{margin-top:8px;padding-top:8px}
 .collection-caption strong{font-size:21px}
 .collection-caption>div{gap:6px}
 .collection-caption>div>span{font-size:10px}
 .collection-caption p{font-size:9px;margin-top:4px;min-height:29px;line-height:1.55}
 .collection-help{font-size:10px;margin-top:14px}
 .collection-bottom{flex-direction:column;margin-top:16px;padding-top:16px;gap:15px}
 .collection-mentor>img{height:40px;width:40px}
 .collection-mentor b{font-size:12px}
 .collection-mentor small{font-size:10px}
 .collection-actions{width:100%;justify-content:center;gap:8px}
 .collection-actions .btn{flex:1;font-size:11px;padding:10px 11px;gap:8px}
 .collection-format{font-size:9px;text-align:left;margin-top:12px}
}
@media(max-width:380px){.collection-shelf{column-gap:13px;row-gap:13px}.collection-heading h1{font-size:27px}.collection-caption strong{font-size:19px}.collection-caption>div{gap:4px}.collection-caption>div>span{font-size:9px}.collection-caption p{font-size:8px}.collection-stack{height:124px}.collection-mentor{gap:9px}.collection-mentor b{font-size:11px}.collection-actions .btn{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.collection-course{transition:none}.collection-course:hover{transform:none}}
.placement-section{background:#fff;font-family:'Tuna Sales Sans',sans-serif;scroll-margin-top:20px;border-bottom:1px solid #e5e8f0}
.placement-section-heading{text-align:center;max-width:740px;margin:0 auto 34px}
.placement-label{display:inline-flex;border-radius:100px;border:1px solid #d5dcf2;padding:6px 13px;font-size:11px;font-weight:600;color:#2547d7;background:#f6f8ff}
.placement-section-heading h2{margin-top:15px;font-size:37px;font-weight:700;letter-spacing:-1px}
.placement-section-heading>p{color:#707b8f;font-size:13px;margin-top:13px}
#placement-app{max-width:1020px;margin:auto;scroll-margin-top:20px}
.placement-welcome{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;border:1px solid #e1e6f1;border-radius:20px;padding:36px;background:linear-gradient(125deg,#fff,#f6f8fe)}
.placement-kicker{font-size:10px;letter-spacing:1.7px;color:#747faa;font-weight:600}
.placement-welcome h3{font-size:31px;line-height:1.4;font-weight:700;letter-spacing:-.8px;margin:12px 0 16px}
.placement-welcome>div>p{font-size:13px;line-height:1.9;color:#707b8f}
.placement-rules{display:flex;gap:16px;margin:21px 0 25px;font-size:11px;color:#747e91}
.placement-rules b{display:block;color:#344177;font-size:13px;margin-bottom:3px}
.placement-primary{font-family:inherit;gap:17px;font-size:13px;min-height:48px}
.placement-welcome>div>small{display:block;color:#8a94a5;font-size:10px;margin-top:12px}
.placement-preview{background:#fff;border:1px solid #e4e8f2;border-radius:14px;padding:20px;align-self:center}
.placement-preview>span{font-size:11px;font-weight:600;color:#778295}
.placement-example-path{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0 22px}
.placement-example-path b{font-size:9px;color:#17796b;background:#edf8f5;padding:4px 7px;border-radius:5px;font-weight:600}
.placement-example-path .example-stop{color:#ae5b0f;background:#fff1e0}
.placement-example-book{display:flex;align-items:center;gap:23px}
.placement-example-book img{width:88px;height:auto;border:1px solid #e2e4e9;box-shadow:4px 7px 12px #17223416}
.placement-example-book small{color:#8c94a3;font-size:10px}
.placement-example-book strong{font-size:24px;font-weight:700;line-height:1.35;display:block;margin-top:7px;letter-spacing:-.5px}
.placement-example-book p{font-size:11px;color:#8991a0;margin-top:8px}
.placement-example-note{font-size:9px!important;color:#9ba2ae!important;margin-top:20px;line-height:1.7!important}
.placement-path{display:grid;grid-template-columns:repeat(6,1fr);padding:0;list-style:none;gap:8px;margin:0 auto 24px}
.placement-path li{border:1px solid #e5e8ee;background:#f7f8fa;border-radius:9px;text-align:center;padding:10px 4px;color:#a0a7b3}
.placement-path li>b{display:block;font-size:17px;font-weight:600}
.placement-path li>span{display:block;font-size:10px;margin-top:1px}
.placement-path .current{background:#edf1ff;border-color:#aabbe9;color:#2547d7}
.placement-path .passed{background:#edf8f4;border-color:#b4dacd;color:#17796b}
.placement-path .needs-study{background:#fff3e8;border-color:#e9c09d;color:#ad5a17}
.placement-quiz{border:1px solid #dde3f0;border-radius:18px;padding:28px;max-width:800px;margin:auto;background:#fbfcff}
.placement-quiz-top{display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:12px;font-weight:600;color:#506190}
.placement-meter{height:4px;background:#e5eafa;border-radius:4px;margin-top:12px;overflow:hidden}
.placement-meter i{display:block;height:100%;width:var(--progress);background:#2547d7;border-radius:4px;transition:width .2s}
.placement-prompt{text-align:center;font-size:12px;color:#818b9e;margin-top:23px}
.placement-word{text-align:center;font-size:43px;font-weight:700;letter-spacing:-.7px;line-height:1.3;margin:12px 0 24px;overflow-wrap:anywhere}
[data-placement-focus]:focus{outline:none}
.placement-options{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.placement-option{display:flex;align-items:flex-start;gap:12px;padding:16px;text-align:left;background:#fff;border:1px solid #dfe4ee;border-radius:9px;font-size:13px;line-height:1.75;min-height:74px;color:#3b465c}
.placement-option:not(:disabled):hover{border-color:#8ba1dc;background:#f2f5ff}
.placement-option:disabled{cursor:default;opacity:1}
.placement-option-number{color:#7d87a0;font-size:19px;line-height:23px;flex-shrink:0}
.placement-sense{display:block}
.placement-sense>b{font-weight:400;margin-right:5px;color:#8d96a8}
.placement-option.is-correct{border-color:#78b69f;background:#eaf7f1;color:#12674e}
.placement-option.is-correct .placement-option-number{color:#12674e}
.placement-option.is-wrong{border-color:#d3a08d;background:#fdf0eb;color:#9c4b30}
.placement-feedback{font-size:12px;line-height:1.8;min-height:20px;padding-top:16px}
.placement-feedback strong{display:block;font-weight:600}
.placement-feedback span{display:block;margin-top:3px;color:#778294}
.placement-feedback.correct{color:#17745b}.placement-feedback.wrong{color:#a35535}
.placement-quiz-footer{display:flex;justify-content:space-between;align-items:center;gap:15px;border-top:1px solid #e4e8f0;margin-top:15px;padding-top:18px}
.placement-quiz-footer p{font-size:10px;color:#8892a4}
.placement-quiz-footer .btn{font-size:12px;flex-shrink:0;min-height:44px;padding:11px 15px}
.placement-quiz-footer .btn:disabled{background:#dce2ef;border-color:#dce2ef;color:#8992a4;cursor:default}
.placement-stage-pass{border:1px solid #dce8e2;border-radius:18px;background:#f7fcf9;text-align:center;padding:40px 25px}
.placement-pass-mark{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#e5f3ec;color:#23795f;font-size:24px}
.placement-stage-pass>p{color:#7b8797;font-size:12px;margin-top:17px}
.placement-stage-pass h3{font-size:30px;line-height:1.4;letter-spacing:-.7px;margin-top:13px}
.placement-stage-pass .btn{margin-top:25px;font-size:13px}
.placement-result{display:grid;grid-template-columns:240px 1fr;gap:50px;background:linear-gradient(125deg,#f5f7fc,#fff);border:1px solid #e1e6f0;border-radius:20px;padding:36px;align-items:center}
.placement-result-cover{text-align:center}
.placement-result-cover img{height:auto;width:170px;margin:0 auto;border:1px solid #dce1e9;box-shadow:8px 12px 22px #1b2d4624}
.placement-result-cover>span{display:inline-block;font-size:11px;font-weight:600;background:#fff;color:#616e89;border:1px solid #e2e6ee;border-radius:100px;padding:5px 10px;margin-top:18px}
.placement-result-cover>small{display:block;font-size:10px;color:#8d95a2;margin-top:8px}
.placement-result-copy h3{font-size:35px;font-weight:700;line-height:1.3;letter-spacing:-1px;margin-top:13px}
.placement-result-score{display:flex;align-items:center;gap:20px;margin:17px 0}
.placement-result-score strong{font-size:31px;color:#2547d7;font-weight:700;line-height:1.3}
.placement-result-score small{font-size:16px;font-weight:400;color:#8590a5}
.placement-result-score>span{font-size:11px;color:#7d889e}
.placement-result-copy>p:not(.placement-kicker){color:#6f7c90;font-size:12px;line-height:1.9}
.placement-result-target{margin-top:10px}
.placement-result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.placement-result-actions .btn{font-size:12px;padding:11px 15px;min-height:44px;gap:13px}
.placement-result-links{display:flex;align-items:center;gap:20px;margin-top:20px;flex-wrap:wrap;font-size:10px;color:#747f94}
.placement-result-links a{color:#536c9f;border-bottom:1px solid #cbd5e8;padding-bottom:3px}
.placement-result-links button{border:0;background:transparent;font-size:10px;color:#8892a5;padding:8px 0}
.placement-wrong-list{border:1px solid #e5e8ef;border-radius:10px;padding:15px 20px;margin-top:17px;color:#69758c}
.placement-wrong-list summary{font-size:12px;font-weight:600;cursor:pointer}
.placement-wrong-list ul{padding:0;list-style:none;font-size:12px;margin:16px 0 0}
.placement-wrong-list li{display:grid;grid-template-columns:140px 1fr;gap:5px 18px;padding:13px 0;border-top:1px solid #edf0f5}
.placement-wrong-list strong{font-size:13px;color:#33415c}.placement-wrong-list small{grid-column:2;font-size:9px;color:#8b94a4}
.placement-result-note{font-size:10px;color:#8e97a8;margin-top:18px;text-align:center;line-height:1.8}
@media(max-width:760px){
 .placement-section-heading{margin-bottom:23px}.placement-section-heading h2{font-size:28px}.placement-section-heading>p{font-size:11px}
 .placement-welcome{grid-template-columns:1fr;gap:25px;padding:23px;border-radius:15px}.placement-welcome h3{font-size:26px}.placement-welcome>div>p{font-size:12px}.placement-rules{gap:20px;font-size:10px}.placement-rules b{font-size:12px}.placement-primary{width:100%;font-size:12px}.placement-preview{padding:18px}.placement-example-book strong{font-size:23px}
 .placement-path{gap:5px;margin-bottom:17px}.placement-path li{padding:9px 2px;border-radius:6px}.placement-path li>b{font-size:14px}.placement-path li>span{font-size:8px}
 .placement-quiz{padding:20px;border-radius:14px}.placement-quiz-top{font-size:11px}.placement-prompt{font-size:10px;margin-top:20px}.placement-word{font-size:36px;margin:10px 0 20px}.placement-options{grid-template-columns:1fr;gap:9px}.placement-option{font-size:12px;min-height:53px;padding:12px 13px;gap:11px}.placement-option-number{font-size:18px}.placement-feedback{font-size:11px;padding-top:13px}.placement-quiz-footer{flex-direction:column;align-items:stretch;gap:12px;padding-top:15px}.placement-quiz-footer p{font-size:9px;text-align:center}.placement-quiz-footer .btn{min-height:44px}
 .placement-stage-pass{padding:29px 20px}.placement-stage-pass h3{font-size:27px}.placement-stage-pass .btn{font-size:12px}
 .placement-result{grid-template-columns:1fr;gap:25px;padding:25px 22px;border-radius:15px}.placement-result-cover img{width:126px}.placement-result-cover>span{display:table;margin:15px auto 0;font-size:10px}.placement-result-copy{text-align:center}.placement-result-copy h3{font-size:30px}.placement-result-score{justify-content:center;gap:16px}.placement-result-copy>p:not(.placement-kicker){font-size:12px}.placement-result-actions{justify-content:center;gap:8px}.placement-result-actions .btn{width:100%;font-size:12px}.placement-result-links{justify-content:center;gap:10px}.placement-result-links a{font-size:10px}.placement-wrong-list{padding:14px 16px}.placement-wrong-list li{grid-template-columns:1fr;font-size:11px;gap:4px}.placement-wrong-list small{grid-column:auto}.placement-result-note{font-size:9px;text-align:left}
}
@media(max-width:380px){.placement-quiz{padding:16px}.placement-welcome{padding:20px}.placement-path li>b{font-size:12px}.placement-path li>span{font-size:7px}.placement-word{font-size:32px}.placement-rules{gap:14px}.placement-rules b{font-size:11px}.placement-result{padding:23px 19px}}
/* Five-choice diagnostic: the fifth choice completes the row. */
.placement-option:last-child{grid-column:1/-1}

/* The chosen sales page fills the viewport with generous responsive gutters. */
.d1[data-design="1"]{--sales-gutter:clamp(20px,4vw,96px)}
.d1[data-design="1"] .wrap{width:calc(100% - var(--sales-gutter) * 2);max-width:none}
@media(min-width:1440px){
 .d1[data-design="1"] .collection-shelf{gap:clamp(24px,2.2vw,54px);margin-top:38px}
 .d1[data-design="1"] .collection-stack{height:clamp(286px,21vw,370px)}
 .d1[data-design="1"] .stack-main{max-width:218px}
 .d1[data-design="1"] .stack-companion{max-width:194px}
 .d1[data-design="1"] .collection-heading h1{font-size:clamp(46px,3vw,64px)}
 .d1[data-design="1"] .collection-caption strong{font-size:30px}
 .d1[data-design="1"] .collection-caption>div>span{font-size:14px}
 .d1[data-design="1"] .collection-caption p{font-size:12px}
 .d1[data-design="1"] .collection-hero>.wrap{padding-top:42px;padding-bottom:32px}
}

/* Enlarged type and a three-by-two cover collection. */
.d1[data-design="1"] h3{font-size:32px}
.d1[data-design="1"] .eyebrow{font-size:17px}
.d1[data-design="1"] .brand{font-size:34px}
.d1[data-design="1"] .brand small{font-size:15px}
.d1[data-design="1"] .review-nav{font-size:17px}
.d1[data-design="1"] .site-links{font-size:18px}
.d1[data-design="1"] .free-strip{font-size:18px}
.d1[data-design="1"] .youtube-icon{font-size:15px}
.d1[data-design="1"] .pill{font-size:15px}
.d1[data-design="1"] .hero-copy>p{font-size:22px}
.d1[data-design="1"] .btn{font-size:19px}
.d1[data-design="1"] .mini-note{font-size:15px}
.d1[data-design="1"] .teacher-caption{font-size:18px}
.d1[data-design="1"] .teacher-caption strong{font-size:28px}
.d1[data-design="1"] .teacher-caption span{font-size:15px}
.d1[data-design="1"] .hero-meta strong{font-size:37px}
.d1[data-design="1"] .hero-meta span{font-size:15px}
.d1[data-design="1"] .cover-art .cover-num{font-size:45px}
.d1[data-design="1"] .cover-art .cover-name{font-size:15px}
.d1[data-design="1"] .cover-art .cover-top{font-size:15px}
.d1[data-design="1"] .cover-art .cover-bottom{font-size:15px}
.d1[data-design="1"] .shelf-cell>p{font-size:15px}
.d1[data-design="1"] .shelf-cell small{font-size:15px}
.d1[data-design="1"] .section-intro p{font-size:19px}
.d1[data-design="1"] .value-item span{font-size:15px}
.d1[data-design="1"] .value-item strong{font-size:23px}
.d1[data-design="1"] .value-item p{font-size:17px}
.d1[data-design="1"] .course-tab strong{font-size:37px}
.d1[data-design="1"] .course-tab span{font-size:15px}
.d1[data-design="1"] .course-overview h3{font-size:41px}
.d1[data-design="1"] .course-overview>div>p{font-size:19px}
.d1[data-design="1"] .course-stats strong{font-size:33px}
.d1[data-design="1"] .course-stats span{font-size:15px}
.d1[data-design="1"] .category-tab{font-size:17px}
.d1[data-design="1"] .file-choice{font-size:17px}
.d1[data-design="1"] .file-choice small{font-size:15px}
.d1[data-design="1"] .detail-head .eyebrow{font-size:15px}
.d1[data-design="1"] .detail-head h4{font-size:34px}
.d1[data-design="1"] .detail-head>p{font-size:18px}
.d1[data-design="1"] .detail-main h5{font-size:18px}
.d1[data-design="1"] .detail-main ul{font-size:17px}
.d1[data-design="1"] .sample-caption{font-size:15px}
.d1[data-design="1"] .detail-bottom{font-size:15px}
.d1[data-design="1"] .detail-bottom button{font-size:15px}
.d1[data-design="1"] .test-card .number{font-size:46px}
.d1[data-design="1"] .test-card h3{font-size:26px}
.d1[data-design="1"] .test-card>p{font-size:17px}
.d1[data-design="1"] .test-example{font-size:17px}
.d1[data-design="1"] .test-example label{font-size:15px}
.d1[data-design="1"] .lecture-section p{font-size:19px}
.d1[data-design="1"] .lecture-section .small{font-size:15px}
.d1[data-design="1"] .study-step span{font-size:17px}
.d1[data-design="1"] .study-step h3{font-size:23px}
.d1[data-design="1"] .study-step p{font-size:17px}
.d1[data-design="1"] .faq-list summary{font-size:19px}
.d1[data-design="1"] .faq-list summary:after{font-size:28px}
.d1[data-design="1"] .faq-list details p{font-size:17px}
.d1[data-design="1"] .final-cta p{font-size:18px}
.d1[data-design="1"] .site-footer .wrap{font-size:15px}
.d1[data-design="1"] .lightbox .modal-top{font-size:17px}
.d1[data-design="1"] .empty-note{font-size:18px}
.d1[data-design="1"] .portrait-box:before{font-size:15px}
.d1[data-design="1"] .hero .floating-label{font-size:17px}
.d1[data-design="1"] .mini-cover .mini-number{font-size:32px}
.d1[data-design="1"] .mini-cover span{font-size:15px}
.d1[data-design="1"] .video-tag{font-size:15px}
.d1[data-design="1"] .play-badge{font-size:32px}
.d1[data-design="1"] .ladder strong{font-size:32px}
.d1[data-design="1"] .ladder span{font-size:15px}
.d1[data-design="1"] .mag-aside .aside-number{font-size:59px}
.d1[data-design="1"] .mag-aside p{font-size:15px}
.d1[data-design="1"] .proposal-number{font-size:15px}
.d1[data-design="1"] .proposal-number b{font-size:15px}
.d1[data-design="1"] .proposal-body h2{font-size:37px}
.d1[data-design="1"] .proposal-body>p{font-size:17px}
.d1[data-design="1"] .score-line strong{font-size:41px}
.d1[data-design="1"] .score-line strong small{font-size:15px}
.d1[data-design="1"] .score-tags span{font-size:15px}
.d1[data-design="1"] .rubric h2{font-size:37px}
.d1[data-design="1"] .rubric p{font-size:17px}
.d1[data-design="1"] .rubric table{font-size:17px}
@media(max-width:760px){.d1[data-design="1"] .site-links{font-size:13px}
.d1[data-design="1"] .brand{font-size:28px}
.d1[data-design="1"] .brand small{font-size:13px}
.d1[data-design="1"] .free-strip{font-size:13px}
.d1[data-design="1"] h1{font-size:48px}
.d1[data-design="1"] .hero-copy>p{font-size:16px}
.d1[data-design="1"] .hero-copy .eyebrow{font-size:13px}
.d1[data-design="1"] .btn{font-size:14px}
.d1[data-design="1"] .hero-meta strong{font-size:29px}
.d1[data-design="1"] .hero-meta span{font-size:13px}
.d1[data-design="1"] .teacher-caption strong{font-size:22px}
.d1[data-design="1"] .hero .floating-label{font-size:13px}
.d1[data-design="1"] .mini-cover .mini-number{font-size:24px}
.d1[data-design="1"] .mini-cover span{font-size:13px}
.d1[data-design="1"] .value-item strong{font-size:14px}
.d1[data-design="1"] .value-item p{font-size:13px}
.d1[data-design="1"] .value-item span{font-size:13px}
.d1[data-design="1"] .section-intro p{font-size:14px}
.d1[data-design="1"] .section-intro .eyebrow{font-size:13px}
.d1[data-design="1"] h2{font-size:35px}
.d1[data-design="1"] .course-tab strong{font-size:25px}
.d1[data-design="1"] .course-tab span{font-size:13px}
.d1[data-design="1"] .course-overview h3{font-size:32px}
.d1[data-design="1"] .course-overview>div>p{font-size:14px}
.d1[data-design="1"] .course-stats strong{font-size:26px}
.d1[data-design="1"] .course-stats span{font-size:13px}
.d1[data-design="1"] .category-tab{font-size:13px}
.d1[data-design="1"] .file-choice{font-size:13px}
.d1[data-design="1"] .file-choice small{font-size:13px}
.d1[data-design="1"] .detail-head h4{font-size:25px}
.d1[data-design="1"] .detail-head>p{font-size:14px}
.d1[data-design="1"] .detail-main h5{font-size:14px}
.d1[data-design="1"] .detail-main ul{font-size:13px}
.d1[data-design="1"] .sample-caption{font-size:13px}
.d1[data-design="1"] .detail-bottom{font-size:13px}
.d1[data-design="1"] .detail-bottom button{font-size:13px}
.d1[data-design="1"] .test-card .number{font-size:32px}
.d1[data-design="1"] .test-card h3{font-size:22px}
.d1[data-design="1"] .test-card>p{font-size:14px}
.d1[data-design="1"] .lecture-section p{font-size:14px}
.d1[data-design="1"] .study-step p{font-size:13px}
.d1[data-design="1"] .faq-list summary{font-size:14px}
.d1[data-design="1"] .play-badge{font-size:23px}
.d1[data-design="1"] .ladder strong{font-size:25px}
.d1[data-design="1"] .ladder span{font-size:13px}
.d1[data-design="1"] .proposal-body h2{font-size:30px}
.d1[data-design="1"] .proposal-body>p{font-size:14px}
.d1[data-design="1"] .rubric table{font-size:13px}
.d1[data-design="1"] .mobile-dock a{font-size:13px}}
@media(max-width:380px){.d1[data-design="1"] h1{font-size:41px}
.d1[data-design="1"] .course-tab span{font-size:13px}
.d1[data-design="1"] .ladder strong{font-size:22px}
.d1[data-design="1"] .free-strip{font-size:13px}}
.d1[data-design="1"] .study-teaser-grid>div>p{font-size:19px}
.d1[data-design="1"] .study-price-card>span{font-size:15px}
.d1[data-design="1"] .study-price{font-size:67px}
.d1[data-design="1"] .study-price small{font-size:25px}
.d1[data-design="1"] .study-price-card>p{font-size:19px}
.d1[data-design="1"] .study-price-tags span{font-size:15px}
.d1[data-design="1"] .study-price-card>small{font-size:15px}
.d1[data-design="1"] .format-grid h3{font-size:28px}
.d1[data-design="1"] .format-grid p{font-size:18px}
.d1[data-design="1"] .study-lead{font-size:21px}
.d1[data-design="1"] .study-hero-meta strong{font-size:34px}
.d1[data-design="1"] .study-hero-meta span{font-size:15px}
.d1[data-design="1"] .board-header{font-size:15px}
.d1[data-design="1"] .clock-display{font-size:133px}
.d1[data-design="1"] .clock-sub{font-size:17px}
.d1[data-design="1"] .board-list b{font-size:21px}
.d1[data-design="1"] .board-list p{font-size:18px}
.d1[data-design="1"] .board-list small{font-size:15px}
.d1[data-design="1"] .board-list>div>span{font-size:15px}
.d1[data-design="1"] .board-mentor strong{font-size:15px}
.d1[data-design="1"] .board-mentor small{font-size:15px}
.d1[data-design="1"] .study-course-summary h3{font-size:40px}
.d1[data-design="1"] .study-course-summary>div>p{font-size:18px}
.d1[data-design="1"] .study-course-summary aside>span{font-size:15px}
.d1[data-design="1"] .study-course-summary aside h4{font-size:41px}
.d1[data-design="1"] .study-course-summary aside>p{font-size:15px}
.d1[data-design="1"] .study-course-summary aside>div b{font-size:23px}
.d1[data-design="1"] .study-course-summary aside>div span{font-size:15px}
.d1[data-design="1"] .study-target{font-size:15px}
.d1[data-design="1"] .text-link{font-size:17px}
.d1[data-design="1"] .course-routine span{font-size:23px}
.d1[data-design="1"] .course-routine b{font-size:17px}
.d1[data-design="1"] .study-method-grid span{font-size:15px}
.d1[data-design="1"] .study-method-grid h3{font-size:26px}
.d1[data-design="1"] .study-method-grid p{font-size:17px}
.d1[data-design="1"] .quizlet-grid p{font-size:19px}
.d1[data-design="1"] .flash-top{font-size:15px}
.d1[data-design="1"] .flash-top span{font-size:15px}
.d1[data-design="1"] .flash-word{font-size:51px}
.d1[data-design="1"] .flash-demo #flash-hint{font-size:15px}
.d1[data-design="1"] .flash-demo>small{font-size:15px}
.d1[data-design="1"] .participation-grid>div>p{font-size:18px}
.d1[data-design="1"] .participation-card dl{font-size:15px}
.d1[data-design="1"] .participation-note{font-size:15px}
@media(max-width:1000px){.d1[data-design="1"] .clock-display{font-size:115px}
.d1[data-design="1"] .course-routine b{font-size:15px}}
@media(max-width:760px){.d1[data-design="1"] .study-teaser-grid>div>p{font-size:14px}
.d1[data-design="1"] .study-price{font-size:51px}
.d1[data-design="1"] .format-grid h3{font-size:22px}
.d1[data-design="1"] .format-grid p{font-size:14px}
.d1[data-design="1"] .study-hero h1{font-size:46px}
.d1[data-design="1"] .study-hero .eyebrow{font-size:13px}
.d1[data-design="1"] .study-lead{font-size:14px}
.d1[data-design="1"] .study-hero-meta strong{font-size:28px}
.d1[data-design="1"] .study-hero-meta span{font-size:13px}
.d1[data-design="1"] .clock-display{font-size:108px}
.d1[data-design="1"] .board-list p{font-size:14px}
.d1[data-design="1"] .board-mentor strong{font-size:13px}
.d1[data-design="1"] .study-course-summary h3{font-size:30px}
.d1[data-design="1"] .study-course-summary>div>p{font-size:14px}
.d1[data-design="1"] .study-course-summary aside h4{font-size:35px}
.d1[data-design="1"] .course-routine b{font-size:14px}
.d1[data-design="1"] .study-method-grid h3{font-size:19px}
.d1[data-design="1"] .study-method-grid p{font-size:13px}
.d1[data-design="1"] .study-method-grid span{font-size:13px}
.d1[data-design="1"] .quizlet-grid p{font-size:14px}
.d1[data-design="1"] .flash-word{font-size:39px}
.d1[data-design="1"] .participation-card dl{font-size:13px}
.d1[data-design="1"] .participation-grid>div>p{font-size:14px}}
.d1[data-design="1"] .pricing-main h1{font-size:64px}
.d1[data-design="1"] .pricing-lead{font-size:19px}
.d1[data-design="1"] .pricing-main h2{font-size:39px}
.d1[data-design="1"] .pricing-main table{font-size:18px}
.d1[data-design="1"] .pricing-notes h3{font-size:30px}
.d1[data-design="1"] .pricing-notes p{font-size:17px}
.d1[data-design="1"] .pricing-page .eyebrow{font-size:15px}
@media(max-width:760px){.d1[data-design="1"] .pricing-main h1{font-size:41px}
.d1[data-design="1"] .pricing-lead{font-size:14px}
.d1[data-design="1"] .pricing-main h2{font-size:28px}
.d1[data-design="1"] .pricing-main th,.d1[data-design="1"] .pricing-main td{font-size:13px}
.d1[data-design="1"] .pricing-notes h3{font-size:24px}
.d1[data-design="1"] .pricing-notes p{font-size:13px}
.d1[data-design="1"] .pricing-page .review-nav{font-size:13px}}
.d1[data-design="1"] .flash-pill{font-size:17px}
.d1[data-design="1"] .flash-product-name{font-size:19px}
.d1[data-design="1"] .flash-intro>p:last-child{font-size:21px}
.d1[data-design="1"] .flash-product-copy>.eyebrow{font-size:15px}
.d1[data-design="1"] .flash-product-copy h3{font-size:38px}
.d1[data-design="1"] .flash-product-copy>p:not(.eyebrow):not(.flash-access){font-size:19px}
.d1[data-design="1"] .flash-facts>span{font-size:17px}
.d1[data-design="1"] .flash-facts b{font-size:40px}
.d1[data-design="1"] .flash-start{font-size:19px}
.d1[data-design="1"] .flash-access{font-size:15px}
.d1[data-design="1"] .flash-demo-top{font-size:15px}
.d1[data-design="1"] .flash-demo-top>span:first-child{font-size:15px}
.d1[data-design="1"] .flash-demo-label{font-size:15px}
.d1[data-design="1"] .flash-demo-card>strong{font-size:59px}
.d1[data-design="1"] .flash-demo-ipa{font-size:17px}
.d1[data-design="1"] .flash-demo-card>p{font-size:15px}
.d1[data-design="1"] .flash-demo-sense>span{font-size:26px}
.d1[data-design="1"] .flash-demo-sense b{font-size:18px}
.d1[data-design="1"] .flash-demo-reveal{font-size:15px}
.d1[data-design="1"] .flash-demo-bottom{font-size:15px}
.d1[data-design="1"] .flash-feature-icon{font-size:18px}
.d1[data-design="1"] .flash-features h3{font-size:25px}
.d1[data-design="1"] .flash-features p{font-size:18px}
.d1[data-design="1"] .flash-storage-note{font-size:15px}
.d1[data-design="1"] .lecture-teacher{font-size:17px}
.d1[data-design="1"] .lecture-section .lecture-youtube{font-size:17px}
.d1[data-design="1"] .lecture-section .lecture-lead{font-size:21px}
.d1[data-design="1"] .lecture-course-tags>span{font-size:17px}
.d1[data-design="1"] .lecture-section .lecture-actions .btn{font-size:19px}
.d1[data-design="1"] .lecture-section .lecture-copy .small{font-size:15px}
@media(max-width:1000px){.d1[data-design="1"] .site-links{font-size:17px}}
@media(max-width:760px){.d1[data-design="1"] .site-links{font-size:13px}
.d1[data-design="1"] .flash-pill{font-size:13px}
.d1[data-design="1"] .flash-product-name{font-size:14px}
.d1[data-design="1"] .flash-intro h2{font-size:35px}
.d1[data-design="1"] .flash-intro>p:last-child{font-size:14px}
.d1[data-design="1"] .flash-product-copy h3{font-size:30px}
.d1[data-design="1"] .flash-product-copy>p:not(.eyebrow):not(.flash-access){font-size:14px}
.d1[data-design="1"] .flash-facts b{font-size:34px}
.d1[data-design="1"] .flash-start{font-size:16px}
.d1[data-design="1"] .flash-access{font-size:13px}
.d1[data-design="1"] .flash-demo-card>strong{font-size:48px}
.d1[data-design="1"] .flash-features h3{font-size:19px}
.d1[data-design="1"] .flash-features p{font-size:14px}
.d1[data-design="1"] .flash-storage-note{font-size:13px}
.d1[data-design="1"] .lecture-teacher{font-size:13px}
.d1[data-design="1"] .lecture-section .lecture-youtube{font-size:13px}
.d1[data-design="1"] .lecture-copy h2{font-size:34px}
.d1[data-design="1"] .lecture-section .lecture-lead{font-size:14px}
.d1[data-design="1"] .lecture-course-tags>span{font-size:13px}
.d1[data-design="1"] .lecture-section .lecture-actions .btn{font-size:14px}
.d1[data-design="1"] .lecture-section .lecture-copy .small{font-size:13px}}
@media(max-width:380px){.d1[data-design="1"] .flash-intro h2{font-size:34px}
.d1[data-design="1"] .flash-demo-bottom{font-size:13px}
.d1[data-design="1"] .lecture-copy h2{font-size:32px}
.d1[data-design="1"] .site-links{font-size:13px}}
.d1[data-design="1"] .flash-product-name{font-size:30px}
@media(max-width:760px){.d1[data-design="1"] .flash-product-name{font-size:22px}}
.d1[data-design="1"] .collection-heading .eyebrow{font-size:15px}
.d1[data-design="1"] .collection-heading>p:last-child{font-size:19px}
.d1[data-design="1"] .stack-count{font-size:15px}
.d1[data-design="1"] .stack-pdf{font-size:15px}
.d1[data-design="1"] .collection-caption strong{font-size:33px}
.d1[data-design="1"] .collection-caption>div>span{font-size:17px}
.d1[data-design="1"] .collection-caption .collection-arrow{font-size:19px}
.d1[data-design="1"] .collection-caption p{font-size:15px}
.d1[data-design="1"] .collection-help{font-size:15px}
.d1[data-design="1"] .collection-mentor b{font-size:18px}
.d1[data-design="1"] .collection-mentor small{font-size:15px}
.d1[data-design="1"] .collection-actions .btn{font-size:17px}
.d1[data-design="1"] .collection-format{font-size:15px}
@media(max-width:1000px) and (min-width:761px){.d1[data-design="1"] .collection-caption p{font-size:15px}
.d1[data-design="1"] .collection-caption strong{font-size:30px}
.d1[data-design="1"] .collection-mentor small{font-size:15px}
.d1[data-design="1"] .collection-actions .btn{font-size:15px}}
@media(max-width:760px){.d1[data-design="1"] .collection-heading h1{font-size:34px}
.d1[data-design="1"] .collection-heading .eyebrow{font-size:13px}
.d1[data-design="1"] .collection-heading>p:last-child{font-size:14px}
.d1[data-design="1"] .stack-count{font-size:13px}
.d1[data-design="1"] .stack-pdf{font-size:13px}
.d1[data-design="1"] .collection-caption strong{font-size:25px}
.d1[data-design="1"] .collection-caption>div>span{font-size:13px}
.d1[data-design="1"] .collection-caption p{font-size:13px}
.d1[data-design="1"] .collection-help{font-size:13px}
.d1[data-design="1"] .collection-mentor b{font-size:14px}
.d1[data-design="1"] .collection-mentor small{font-size:13px}
.d1[data-design="1"] .collection-actions .btn{font-size:13px}
.d1[data-design="1"] .collection-format{font-size:13px}}
@media(max-width:380px){.d1[data-design="1"] .collection-heading h1{font-size:32px}
.d1[data-design="1"] .collection-caption strong{font-size:23px}
.d1[data-design="1"] .collection-caption>div>span{font-size:13px}
.d1[data-design="1"] .collection-caption p{font-size:13px}
.d1[data-design="1"] .collection-mentor b{font-size:13px}
.d1[data-design="1"] .collection-actions .btn{font-size:13px}}
.d1[data-design="1"] .placement-label{font-size:15px}
.d1[data-design="1"] .placement-section-heading h2{font-size:47px}
.d1[data-design="1"] .placement-section-heading>p{font-size:18px}
.d1[data-design="1"] .placement-kicker{font-size:15px}
.d1[data-design="1"] .placement-welcome h3{font-size:40px}
.d1[data-design="1"] .placement-welcome>div>p{font-size:18px}
.d1[data-design="1"] .placement-rules{font-size:15px}
.d1[data-design="1"] .placement-rules b{font-size:18px}
.d1[data-design="1"] .placement-primary{font-size:18px}
.d1[data-design="1"] .placement-welcome>div>small{font-size:15px}
.d1[data-design="1"] .placement-preview>span{font-size:15px}
.d1[data-design="1"] .placement-example-path b{font-size:15px}
.d1[data-design="1"] .placement-example-book small{font-size:15px}
.d1[data-design="1"] .placement-example-book strong{font-size:33px}
.d1[data-design="1"] .placement-example-book p{font-size:15px}
.d1[data-design="1"] .placement-example-note{font-size:15px}
.d1[data-design="1"] .placement-path li>b{font-size:23px}
.d1[data-design="1"] .placement-path li>span{font-size:15px}
.d1[data-design="1"] .placement-quiz-top{font-size:17px}
.d1[data-design="1"] .placement-prompt{font-size:17px}
.d1[data-design="1"] .placement-word{font-size:55px}
.d1[data-design="1"] .placement-option{font-size:18px}
.d1[data-design="1"] .placement-option-number{font-size:26px}
.d1[data-design="1"] .placement-feedback{font-size:17px}
.d1[data-design="1"] .placement-quiz-footer p{font-size:15px}
.d1[data-design="1"] .placement-quiz-footer .btn{font-size:17px}
.d1[data-design="1"] .placement-pass-mark{font-size:33px}
.d1[data-design="1"] .placement-stage-pass>p{font-size:17px}
.d1[data-design="1"] .placement-stage-pass h3{font-size:38px}
.d1[data-design="1"] .placement-stage-pass .btn{font-size:18px}
.d1[data-design="1"] .placement-result-cover>span{font-size:15px}
.d1[data-design="1"] .placement-result-cover>small{font-size:15px}
.d1[data-design="1"] .placement-result-copy h3{font-size:45px}
.d1[data-design="1"] .placement-result-score strong{font-size:40px}
.d1[data-design="1"] .placement-result-score small{font-size:22px}
.d1[data-design="1"] .placement-result-score>span{font-size:15px}
.d1[data-design="1"] .placement-result-copy>p:not(.placement-kicker){font-size:17px}
.d1[data-design="1"] .placement-result-actions .btn{font-size:17px}
.d1[data-design="1"] .placement-result-links{font-size:15px}
.d1[data-design="1"] .placement-result-links button{font-size:15px}
.d1[data-design="1"] .placement-wrong-list summary{font-size:17px}
.d1[data-design="1"] .placement-wrong-list ul{font-size:17px}
.d1[data-design="1"] .placement-wrong-list strong{font-size:18px}
.d1[data-design="1"] .placement-wrong-list small{font-size:15px}
.d1[data-design="1"] .placement-result-note{font-size:15px}
@media(max-width:760px){.d1[data-design="1"] .placement-section-heading h2{font-size:34px}
.d1[data-design="1"] .placement-section-heading>p{font-size:13px}
.d1[data-design="1"] .placement-welcome h3{font-size:31px}
.d1[data-design="1"] .placement-welcome>div>p{font-size:14px}
.d1[data-design="1"] .placement-rules{font-size:13px}
.d1[data-design="1"] .placement-rules b{font-size:14px}
.d1[data-design="1"] .placement-primary{font-size:14px}
.d1[data-design="1"] .placement-example-book strong{font-size:28px}
.d1[data-design="1"] .placement-path li>b{font-size:17px}
.d1[data-design="1"] .placement-path li>span{font-size:13px}
.d1[data-design="1"] .placement-quiz-top{font-size:13px}
.d1[data-design="1"] .placement-prompt{font-size:13px}
.d1[data-design="1"] .placement-word{font-size:41px}
.d1[data-design="1"] .placement-option{font-size:14px}
.d1[data-design="1"] .placement-option-number{font-size:22px}
.d1[data-design="1"] .placement-feedback{font-size:13px}
.d1[data-design="1"] .placement-quiz-footer p{font-size:13px}
.d1[data-design="1"] .placement-stage-pass h3{font-size:32px}
.d1[data-design="1"] .placement-stage-pass .btn{font-size:14px}
.d1[data-design="1"] .placement-result-cover>span{font-size:13px}
.d1[data-design="1"] .placement-result-copy h3{font-size:34px}
.d1[data-design="1"] .placement-result-copy>p:not(.placement-kicker){font-size:14px}
.d1[data-design="1"] .placement-result-actions .btn{font-size:14px}
.d1[data-design="1"] .placement-result-links a{font-size:13px}
.d1[data-design="1"] .placement-wrong-list li{font-size:13px}
.d1[data-design="1"] .placement-result-note{font-size:13px}}
@media(max-width:380px){.d1[data-design="1"] .placement-path li>b{font-size:14px}
.d1[data-design="1"] .placement-path li>span{font-size:13px}
.d1[data-design="1"] .placement-word{font-size:36px}
.d1[data-design="1"] .placement-rules b{font-size:13px}}
@media(min-width:1440px){.d1[data-design="1"] .collection-caption strong{font-size:38px}
.d1[data-design="1"] .collection-caption>div>span{font-size:19px}
.d1[data-design="1"] .collection-caption p{font-size:17px}}

.d1[data-design="1"]{font-size:20px;line-height:1.8}
.d1[data-design="1"] h1,.d1[data-design="1"] h2,.d1[data-design="1"] h3,.d1[data-design="1"] h4{color:inherit}
.d1[data-design="1"] h2{font-size:clamp(38px,3.3vw,62px);line-height:1.3}
.d1[data-design="1"] .section{padding:100px 0}
.d1[data-design="1"] .site-header .wrap{height:104px}
.d1[data-design="1"] .site-links{gap:26px;font-size:18px}
.d1[data-design="1"] .free-strip{font-size:20px;padding:18px 24px}
.d1[data-design="1"] .btn{font-size:19px;min-height:60px;padding:16px 24px}
.d1[data-design="1"] .collection-hero>.wrap{padding-top:58px;padding-bottom:48px}
.d1[data-design="1"] .collection-heading h1{font-size:clamp(46px,4.1vw,82px);line-height:1.2;letter-spacing:-2.5px}
.d1[data-design="1"] .collection-heading>p:last-child{font-size:24px;margin-top:22px}
.d1[data-design="1"] .collection-shelf{--cover-width:clamp(210px,17vw,370px);grid-template-columns:repeat(3,minmax(0,1fr));gap:56px clamp(28px,4vw,96px);margin:58px auto 0;max-width:none}
.d1[data-design="1"] .collection-stack{height:calc(var(--cover-width) * 1.416 + 72px);padding-bottom:16px}
.d1[data-design="1"] .stack-main{width:76%;max-width:var(--cover-width);bottom:22px;box-shadow:12px 18px 30px #18223224}
.d1[data-design="1"] .stack-companion{width:68%;max-width:calc(var(--cover-width) * .89);bottom:22px}
.d1[data-design="1"] .companion-1{transform:translate(-28px,-18px) rotate(-8deg)}
.d1[data-design="1"] .companion-2{transform:translate(28px,-34px) rotate(8deg)}
.d1[data-design="1"] .companion-3{transform:translate(-5px,-52px) rotate(-3deg)}
.d1[data-design="1"] .stack-count{font-size:16px;padding:6px 15px;bottom:4px}
.d1[data-design="1"] .stack-pdf{font-size:14px;right:6px;top:24px}
.d1[data-design="1"] .collection-caption{border-top-width:3px;margin-top:16px;padding-top:17px}
.d1[data-design="1"] .collection-caption strong{font-size:clamp(38px,3.2vw,58px);font-weight:700}
.d1[data-design="1"] .collection-caption>div>span{font-size:24px}
.d1[data-design="1"] .collection-caption .collection-arrow{font-size:26px}
.d1[data-design="1"] .collection-caption p{font-size:18px;margin-top:9px;min-height:32px}
.d1[data-design="1"] .collection-help{font-size:18px;margin-top:36px}
.d1[data-design="1"] .collection-bottom{margin-top:30px;padding-top:28px}
.d1[data-design="1"] .collection-mentor b{font-size:21px}
.d1[data-design="1"] .collection-mentor small{font-size:17px}
.d1[data-design="1"] .collection-mentor>img{width:64px;height:64px}
.d1[data-design="1"] .collection-format{font-size:16px;margin-top:23px}
.d1[data-design="1"] .placement-section-heading{max-width:1100px;margin-bottom:46px}
.d1[data-design="1"] .placement-section-heading h2{font-size:clamp(38px,3.3vw,60px)}
.d1[data-design="1"] .placement-section-heading>p{font-size:21px}
.d1[data-design="1"] #placement-app{max-width:1600px}
.d1[data-design="1"] .placement-welcome{padding:clamp(32px,3vw,68px);gap:clamp(32px,4vw,80px)}
.d1[data-design="1"] .placement-welcome h3{font-size:clamp(38px,2.7vw,52px);line-height:1.35}
.d1[data-design="1"] .placement-welcome>div>p{font-size:21px;line-height:1.9}
.d1[data-design="1"] .placement-rules{font-size:18px;gap:30px;margin:30px 0}
.d1[data-design="1"] .placement-rules b{font-size:22px}
.d1[data-design="1"] .placement-primary{font-size:20px;min-height:64px}
.d1[data-design="1"] .placement-preview{padding:30px}
.d1[data-design="1"] .placement-example-path b{font-size:17px;padding:7px 10px}
.d1[data-design="1"] .placement-example-book img{width:140px}
.d1[data-design="1"] .placement-example-book strong{font-size:36px}
.d1[data-design="1"] .placement-quiz{max-width:1100px;padding:38px}
.d1[data-design="1"] .placement-option{font-size:20px;padding:23px;min-height:98px}
.d1[data-design="1"] .placement-word{font-size:64px}
.d1[data-design="1"] .placement-result-copy h3{font-size:48px}
.d1[data-design="1"] .lecture-copy{max-width:1150px}
.d1[data-design="1"] .lecture-copy h2{font-size:clamp(38px,3.3vw,62px)}
.d1[data-design="1"] .lecture-section .lecture-lead{font-size:23px;max-width:1000px}
.d1[data-design="1"] .lecture-centered .lecture-photo{width:330px}
.d1[data-design="1"] .lecture-centered .lecture-photo img{height:270px}
.d1[data-design="1"] .flash-intro h2{font-size:clamp(38px,3.3vw,62px)}
.d1[data-design="1"] .flash-product-grid{max-width:1440px}
.d1[data-design="1"] .flash-features article{padding:36px}
.d1[data-design="1"] .flash-demo-card{padding:34px}
.d1[data-design="1"] .detail-head h4{font-size:38px}
.d1[data-design="1"] .detail-main{padding:36px;grid-template-columns:1fr minmax(230px,28%);gap:38px}
.d1[data-design="1"] .book-explorer{grid-template-columns:320px 1fr}
@media(max-width:1100px){.d1[data-design="1"] .site-links{gap:16px;font-size:15px}.d1[data-design="1"] .placement-welcome{gap:28px}.d1[data-design="1"] .placement-welcome>div>p{font-size:18px}.d1[data-design="1"] .placement-example-book strong{font-size:29px}.d1[data-design="1"] .placement-example-book img{width:105px}.d1[data-design="1"] .placement-example-path b{font-size:14px}.d1[data-design="1"] .book-explorer{grid-template-columns:240px 1fr}.d1[data-design="1"] .detail-main{grid-template-columns:1fr 200px;gap:24px}}
@media(max-width:760px){
 .d1[data-design="1"]{font-size:16px}.d1[data-design="1"] .section{padding:64px 0}
 .d1[data-design="1"] h2{font-size:33px}.d1[data-design="1"] .site-header .wrap{height:76px}.d1[data-design="1"] .site-links{font-size:13px;gap:12px}
 .d1[data-design="1"] .free-strip{font-size:14px;padding:14px 16px}.d1[data-design="1"] .btn{font-size:16px;min-height:52px;padding:13px 17px;gap:12px}
 .d1[data-design="1"] .collection-hero>.wrap{padding-top:34px;padding-bottom:30px}
 .d1[data-design="1"] .collection-heading h1{font-size:36px;letter-spacing:-1.5px}
 .d1[data-design="1"] .collection-heading>p:last-child{font-size:16px;margin-top:18px}
 .d1[data-design="1"] .collection-shelf{--cover-width:clamp(128px,31vw,210px);grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 22px;margin-top:34px;max-width:610px}
 .d1[data-design="1"] .collection-stack{height:calc(var(--cover-width) * 1.416 + 44px)}
 .d1[data-design="1"] .stack-main{width:82%;bottom:16px}.d1[data-design="1"] .stack-companion{width:73%;bottom:16px}
 .d1[data-design="1"] .companion-1{transform:translate(-12px,-10px) rotate(-8deg)}.d1[data-design="1"] .companion-2{transform:translate(12px,-18px) rotate(8deg)}.d1[data-design="1"] .companion-3{transform:translate(-3px,-27px) rotate(-3deg)}
 .d1[data-design="1"] .stack-count{font-size:11px;padding:3px 8px;bottom:2px}.d1[data-design="1"] .stack-pdf{font-size:10px;right:2px;top:13px}
 .d1[data-design="1"] .collection-caption{margin-top:9px;padding-top:10px;border-top-width:2px}
 .d1[data-design="1"] .collection-caption strong{font-size:30px}.d1[data-design="1"] .collection-caption>div{gap:8px}.d1[data-design="1"] .collection-caption>div>span{font-size:16px}.d1[data-design="1"] .collection-caption .collection-arrow{font-size:17px}
 .d1[data-design="1"] .collection-caption p{font-size:13px;min-height:40px;line-height:1.65}.d1[data-design="1"] .collection-help{font-size:14px;margin-top:25px}
 .d1[data-design="1"] .collection-mentor b{font-size:16px}.d1[data-design="1"] .collection-mentor small{font-size:13px}.d1[data-design="1"] .collection-mentor>img{width:48px;height:48px}.d1[data-design="1"] .collection-actions .btn{font-size:14px}.d1[data-design="1"] .collection-format{font-size:13px}
 .d1[data-design="1"] .placement-section-heading h2{font-size:33px}.d1[data-design="1"] .placement-section-heading>p{font-size:16px}.d1[data-design="1"] .placement-section-heading{margin-bottom:28px}
 .d1[data-design="1"] .placement-welcome{grid-template-columns:1fr;padding:24px;gap:32px}.d1[data-design="1"] .placement-welcome h3{font-size:29px}.d1[data-design="1"] .placement-welcome>div>p{font-size:16px}.d1[data-design="1"] .placement-rules{font-size:14px;gap:22px;margin:23px 0}.d1[data-design="1"] .placement-rules b{font-size:16px}.d1[data-design="1"] .placement-primary{font-size:16px}
 .d1[data-design="1"] .placement-preview{padding:20px}.d1[data-design="1"] .placement-example-path b{font-size:12px;padding:5px 7px}.d1[data-design="1"] .placement-example-book{gap:16px}.d1[data-design="1"] .placement-example-book img{width:85px}.d1[data-design="1"] .placement-example-book strong{font-size:25px}
 .d1[data-design="1"] .placement-quiz{padding:22px}.d1[data-design="1"] .placement-option{font-size:16px;padding:16px;min-height:70px}.d1[data-design="1"] .placement-word{font-size:43px}.d1[data-design="1"] .placement-result-copy h3{font-size:34px}
 .d1[data-design="1"] .lecture-copy h2,.d1[data-design="1"] .flash-intro h2{font-size:33px}.d1[data-design="1"] .lecture-section .lecture-lead{font-size:17px}.d1[data-design="1"] .lecture-centered .lecture-photo{width:260px}.d1[data-design="1"] .lecture-centered .lecture-photo img{height:210px}
 .d1[data-design="1"] .flash-features article{padding:24px}.d1[data-design="1"] .flash-demo-card{padding:24px}.d1[data-design="1"] .book-explorer{grid-template-columns:1fr}.d1[data-design="1"] .detail-main{grid-template-columns:1fr;padding:24px;gap:24px}.d1[data-design="1"] .detail-head h4{font-size:29px}.d1[data-design="1"] .sample-shot{max-width:420px;margin:auto}
}

@media(max-width:760px){.d1[data-design="1"] .course-tabs{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;border:0;overflow:visible}.d1[data-design="1"] .course-tab{border:1px solid var(--line);border-radius:9px;padding:14px 8px}.d1[data-design="1"] .course-tab strong{font-size:30px}.d1[data-design="1"] .course-tab span{font-size:12px}.d1[data-design="1"] .file-list{grid-template-columns:1fr}}

/* Seven independently purchasable PDF specialist books. */
.d1 .special-link-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.d1 .special-link-grid>a{display:flex;flex-direction:column;gap:24px;padding:30px;background:#faf9f6;border:1px solid var(--line);border-top:3px solid var(--special-color,var(--accent));border-radius:10px}.d1 .special-link-grid img{width:140px;margin:auto;box-shadow:5px 9px 20px #0002}.d1 .special-link-grid small{font-size:15px;color:var(--muted)}.d1 .special-link-grid h3{font-size:28px;margin:13px 0;color:var(--special-color,var(--accent))}.d1 .special-link-grid span{font-size:18px;font-weight:700}.d1 .special-link-grid>a.special-all{justify-content:center;color:var(--accent);background:#eef0fc}.d1 .special-all strong{font-size:34px}.d1 .detail-bottom a{color:var(--accent);font-weight:700;font-size:17px;text-decoration:underline;text-underline-offset:4px}@media(max-width:1050px){.d1 .special-link-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.d1 .special-link-grid{grid-template-columns:1fr;gap:16px}.d1 .special-link-grid>a{flex-direction:row;align-items:center;padding:24px;gap:24px}.d1 .special-link-grid img{width:90px;margin:0}.d1 .special-link-grid small{font-size:12px}.d1 .special-link-grid h3{font-size:24px}.d1 .special-link-grid span{font-size:15px}.d1 .detail-bottom{flex-wrap:wrap;gap:12px}}