@import"https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&family=DM+Serif+Display&display=swap";:root{font-family:Be Vietnam Pro,system-ui,sans-serif;color:#20283a;background:#ecebe7;font-synthesis:none;--green: #0f9f6e;--green-dark: #087a55;--green-soft: #eaf9f2;--green-pale: #f3fcf8;--navy: #17362d;--blue: var(--green);--blue-dark: var(--green-dark);--blue-soft: var(--green-soft);--ink: #17202d;--muted: #6b7280;--line: #e5e9e7;--paper: #ffffff;--cream: #f3fcf8;--gold: var(--green-dark)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;background:#ecebe7}button,input{font:inherit}button{color:inherit}button:focus-visible,a:focus-visible{outline:3px solid #6f91ee;outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:8px;left:8px;z-index:120;padding:10px 14px;color:#fff;background:var(--navy);font-size:10px;font-weight:700;text-decoration:none;translate:0 -150%}.skip-link:focus{translate:0}.catalog-shell{min-height:100vh;background:#f5f2e9}.catalog-header{display:flex;align-items:center;justify-content:space-between;min-height:72px;padding:0 max(24px,calc((100vw - 1180px)/2));border-bottom:1px solid #ddd8ca;background:#fffefb}.catalog-header nav a{color:var(--navy);font-size:10px;font-weight:700;text-decoration:none;text-transform:uppercase;letter-spacing:.12em}.library-main,.contents-main{width:min(1180px,calc(100% - 48px));margin:0 auto;padding-bottom:80px}.library-hero{display:grid;grid-template-columns:1fr 270px;align-items:center;min-height:390px;padding:58px 76px;overflow:hidden;color:#fff;background:linear-gradient(125deg,#142c58,#244995 65%,#536eb6)}.catalog-eyebrow{display:flex;align-items:center;gap:8px;margin:0;color:#dfbd76;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.18em}.catalog-eyebrow svg{width:16px}.library-hero h1,.contents-hero h1{margin:18px 0;font:400 clamp(44px,6vw,76px)/.95 "DM Serif Display",serif}.library-hero>div:first-child>p:last-child{max-width:570px;margin:0;color:#dce4f4;font-size:13px;line-height:1.8}.hero-monogram{position:relative;display:grid;place-content:center;width:230px;height:230px;justify-self:end;border:1px solid #ffffff3d;border-radius:50%;text-align:center;box-shadow:0 0 0 25px #ffffff0a,0 0 0 50px #ffffff08}.hero-monogram span{color:#f1cd83;font:400 82px/1 "DM Serif Display",serif}.hero-monogram small{margin-top:8px;font-size:9px;line-height:1.6;text-transform:uppercase;letter-spacing:.17em}.library-section,.toc-section{padding-top:54px}.section-heading{display:flex;align-items:end;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid #d8d3c7}.section-heading p{margin:0 0 7px;color:var(--gold);font-size:8px;font-weight:700;text-transform:uppercase;letter-spacing:.16em}.section-heading h2{margin:0;color:var(--navy);font:400 30px/1 "DM Serif Display",serif}.section-heading>span{color:var(--muted);font-size:9px}.section-heading>svg{width:21px;color:var(--gold)}.book-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:28px}.book-card{display:grid;grid-template-columns:180px 1fr;min-height:260px;overflow:hidden;border:1px solid #ded9cd;border-radius:5px;color:inherit;background:#fffefb;text-decoration:none;box-shadow:0 12px 35px #2931490d;transition:translate .2s ease,box-shadow .2s ease}.book-card:hover{translate:0 -3px;box-shadow:0 18px 45px #2931491a}.book-card.upcoming{position:relative;box-shadow:none}.book-card.upcoming:hover{translate:none;box-shadow:none}.book-cover,.contents-cover{display:flex;flex-direction:column;justify-content:flex-end;padding:25px;color:#fff;background:linear-gradient(150deg,#152d59,#3159b6);background-size:cover;background-position:center;box-shadow:inset 0 0 0 1000px #102a5b42}.book-cover.grammar{background:linear-gradient(150deg,#59335f,#9b5f82)}.book-cover.toeic{background:linear-gradient(150deg,#28554c,#4d8b72)}.book-cover>svg,.contents-cover>svg{width:28px;margin-bottom:auto;color:#e4c27c}.coming-badge{align-self:flex-start;margin-bottom:14px;padding:6px 8px;border:1px solid #ffffff70;border-radius:99px;background:#ffffff1f;font-size:7px;font-weight:700;text-transform:uppercase;letter-spacing:.12em}.cover-kicker,.contents-cover span{font-size:7px;font-weight:700;text-transform:uppercase;letter-spacing:.16em}.book-cover strong,.contents-cover strong{margin-top:6px;font:400 27px/1 "DM Serif Display",serif}.book-cover small{margin-top:8px;color:#d8e1f3;font-size:7px}.book-card-copy{display:flex;flex-direction:column;padding:30px}.book-card-copy>p{margin:0;color:var(--gold);font-size:8px;font-weight:700;text-transform:uppercase;letter-spacing:.13em}.book-card-copy h3{margin:9px 0;color:var(--navy);font:400 25px/1.15 "DM Serif Display",serif}.book-card-copy>span{color:var(--muted);font-size:9px;line-height:1.7}.book-card-copy>div{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:18px;border-top:1px solid #ece8df}.book-card-copy small{color:#858b97;font-size:8px}.book-card-copy b{display:flex;align-items:center;gap:6px;color:var(--blue-dark);font-size:9px}.book-card-copy b svg{width:14px}.book-card-copy .coming-label{color:#8a6b31;text-transform:uppercase;letter-spacing:.08em}.contents-main{padding-top:34px}.back-link,.toc-back,.status-link{display:inline-flex;align-items:center;gap:7px;color:#626b7c;font-size:9px;font-weight:600;text-decoration:none}.back-link svg,.toc-back svg{width:14px}.contents-hero{display:grid;grid-template-columns:190px 1fr;gap:48px;align-items:center;margin-top:30px;padding:44px 52px;color:#fff;background:linear-gradient(125deg,#142c58,#274d9c)}.contents-cover{width:190px;height:255px;box-shadow:12px 14px #0e244c66,0 20px 35px #081a3c55}.contents-hero h1{font-size:clamp(38px,5vw,64px)}.contents-hero>div:last-child>p:not(.catalog-eyebrow){max-width:670px;color:#dce4f4;font-size:11px;line-height:1.8}.book-stats{display:flex;gap:38px;margin-top:28px}.book-stats span{color:#c7d2e9;font-size:8px;text-transform:uppercase;letter-spacing:.1em}.book-stats b{display:block;margin-bottom:5px;color:#f1cd83;font:400 24px/1 "DM Serif Display",serif}.chapter-card{display:grid;grid-template-columns:210px 1fr;margin-top:24px;border:1px solid #ded9cd;background:#fffefb}.chapter-card>header{display:flex;gap:16px;padding:28px;border-right:1px solid #e4dfd4;background:#f0ece1}.chapter-card>header>span{color:var(--gold);font:400 32px/1 "DM Serif Display",serif}.chapter-card header small{color:#90949c;font-size:7px;text-transform:uppercase;letter-spacing:.13em}.chapter-card h3{margin:7px 0 0;color:var(--navy);font:400 20px/1.15 "DM Serif Display",serif}.lesson-list a{display:grid;grid-template-columns:36px 1fr auto 18px;align-items:center;gap:16px;min-height:92px;padding:18px 25px;color:inherit;text-decoration:none}.lesson-list a:hover{background:#faf8f2}.lesson-number{display:grid;place-items:center;width:34px;height:34px;border:1px solid #dbcda9;border-radius:50%;color:#9b722e;font-size:8px}.lesson-list strong,.lesson-list small{display:block}.lesson-list strong{color:var(--navy);font-size:11px}.lesson-list small{margin-top:6px;color:var(--muted);font-size:8px}.lesson-list em{color:#888e99;font-size:8px;font-style:normal}.lesson-list svg{width:16px;color:var(--blue)}.toc-back{margin:-4px 10px 14px;padding:8px}.status-link{margin-top:4px;color:var(--navy)}.reader-shell{min-height:100vh}.site-header{position:sticky;top:0;z-index:50;display:grid;grid-template-columns:250px 1fr 210px;align-items:center;min-height:68px;padding:0 30px;border-bottom:1px solid #d9d8d3;background:#fffefbf5;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none}.brand>span{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;color:#fff;background:var(--navy);font-family:"DM Serif Display",serif;font-size:13px;box-shadow:0 7px 16px #172f6030}.brand div,.brand strong,.brand small,.header-book strong,.header-book small{display:block}.brand strong{font-size:12px;letter-spacing:.09em}.brand small{margin-top:2px;color:#898f9b;font-size:8px;text-transform:uppercase;letter-spacing:.14em}.header-book{justify-self:center;text-align:center}.header-book small{color:#959aa5;font-size:8px;text-transform:uppercase;letter-spacing:.15em}.header-book strong{margin-top:3px;font:400 17px/1.1 "DM Serif Display",serif}.header-progress{display:grid;grid-template-columns:1fr 36px;align-items:center;gap:10px}.header-progress>span{height:4px;overflow:hidden;border-radius:99px;background:#e3e4e6}.header-progress i{display:block;height:100%;border-radius:inherit;background:var(--gold);transition:width .25s ease}.header-progress b{color:var(--muted);font-size:10px}.mobile-menu{display:none;width:40px;height:40px;border:0;background:transparent}.mobile-menu svg{width:20px}.reader-layout{display:grid;grid-template-columns:250px minmax(0,1fr);align-items:start;max-width:1500px;margin:0 auto}.reader-sidebar{position:sticky;top:68px;display:flex;flex-direction:column;height:calc(100vh - 68px);padding:34px 17px 24px;border-right:1px solid #d9d8d3;background:#f5f4f0}.sidebar-heading{display:flex;align-items:center;justify-content:space-between;padding:0 10px 22px}.sidebar-heading small,.sidebar-heading strong{display:block}.sidebar-heading small{color:#979ba4;font-size:8px;text-transform:uppercase;letter-spacing:.16em}.sidebar-heading strong{margin-top:5px;font:400 19px/1.1 "DM Serif Display",serif}.sidebar-heading button{display:none;border:0;background:transparent}.reader-sidebar nav{display:grid;gap:5px}.reader-sidebar nav>button{display:grid;grid-template-columns:30px 1fr;align-items:center;gap:10px;width:100%;padding:12px 10px;border:0;border-radius:7px;background:transparent;text-align:left;cursor:pointer}.reader-sidebar nav>button:hover{background:#ecebe6}.reader-sidebar nav>button.active{color:var(--navy);background:var(--paper);box-shadow:inset 3px 0 var(--gold),0 3px 12px #2735520b}.reader-sidebar nav>button>span{color:#a1a4aa;font:400 15px/1 "DM Serif Display",serif}.reader-sidebar nav>button.active>span{color:var(--gold)}.reader-sidebar nav strong,.reader-sidebar nav small{display:block}.reader-sidebar nav strong{font-size:10px;line-height:1.45}.reader-sidebar nav small{margin-top:3px;color:#9a9da5;font-size:7px;text-transform:uppercase;letter-spacing:.1em}.sidebar-note{display:flex;gap:10px;align-items:flex-start;margin-top:auto;padding:14px;border:1px solid #ded9cd;border-radius:8px;background:#fffdf7;color:#626775}.sidebar-note svg{flex:0 0 auto;width:17px;color:var(--gold)}.sidebar-note p{margin:0}.sidebar-note strong,.sidebar-note span{display:block}.sidebar-note strong{color:var(--navy);font-size:10px}.sidebar-note span{margin-top:4px;font-size:8px;line-height:1.55}.sidebar-backdrop{display:none}.reader-main{width:min(100%,1120px);padding:30px 42px 44px;margin:0 auto}.reader-bookline{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 2px 12px}.reader-bookline>div{display:flex;align-items:center;gap:10px}.reader-bookline svg{width:18px;color:var(--gold)}.reader-bookline span,.reader-bookline small,.reader-bookline strong{display:block}.reader-bookline small{color:#8c9099;font-size:7px;text-transform:uppercase;letter-spacing:.16em}.reader-bookline strong{margin-top:3px;color:#424956;font-size:10px}.reader-bookline p{margin:0;color:#858a94;font-size:9px}.reader-tools{display:flex;align-items:center;justify-content:flex-end;gap:9px;margin:-2px 2px 12px}.reader-tools button,.reader-tools span{display:inline-flex;align-items:center;gap:6px;min-height:29px;padding:6px 10px;border:1px solid #d9d5cc;border-radius:99px;color:#596273;background:#fffefb;font-size:8px}.reader-tools button{cursor:pointer}.reader-tools button:hover{border-color:#bba56f;color:var(--navy)}.reader-tools svg{width:13px;height:13px;color:var(--gold)}.page-spread{display:grid}.spread-page{min-width:0}.spread-page.companion-page{display:none}.book-page{position:relative;overflow:hidden;min-height:820px;border:1px solid #d9d5cb;border-radius:4px;background:radial-gradient(circle at 15% 10%,#fff 0,transparent 24%),linear-gradient(115deg,#fffefb,#fdfcf8);box-shadow:0 18px 50px #2a2c3321,0 2px 4px #2a2c3312}.book-page:after{position:absolute;right:20px;bottom:14px;color:#b0aaa0;font:400 11px/1 "DM Serif Display",serif;content:attr(aria-label);opacity:.55}.intro-page{display:grid;grid-template-columns:minmax(330px,44%) 1fr}.intro-visual{position:relative;min-height:820px;background:linear-gradient(155deg,#162e5d,#3156ad 58%,#6f83bf)}.hero-image{width:100%;height:100%;object-fit:cover}.intro-shade{position:absolute;inset:0;background:linear-gradient(180deg,#17337a18,#102653df)}.chapter-mark{position:absolute;left:38px;bottom:42px;display:flex;gap:14px;align-items:center;color:#fff}.chapter-mark span{font:400 68px/1 "DM Serif Display",serif}.chapter-mark small{padding-left:13px;border-left:1px solid #ffffff73;font-size:8px;line-height:1.7;text-transform:uppercase;letter-spacing:.14em}.intro-content{display:flex;flex-direction:column;justify-content:center;padding:64px 58px}.eyebrow,.content-heading p{margin:0;color:var(--gold);font-size:8px;font-weight:700;text-transform:uppercase;letter-spacing:.17em}.intro-content h1{max-width:520px;margin:14px 0 10px;font:400 clamp(44px,5vw,68px)/.98 "DM Serif Display",serif;color:var(--navy)}.intro-subtitle{margin:0 0 38px;color:var(--muted);font-size:12px;line-height:1.7}.goal-list{padding:23px;border:1px solid #ddd9cf;border-radius:3px;background:#faf8f2}.goal-title{display:flex;align-items:center;gap:10px}.goal-title>svg{width:18px;color:var(--gold)}.goal-title span,.goal-title strong,.goal-title small{display:block}.goal-title strong{color:var(--navy);font-size:10px}.goal-title small{margin-top:2px;color:#92949a;font-size:8px}.goal-list ul{display:grid;gap:11px;margin:17px 0 0;padding:0;list-style:none}.goal-list li{display:grid;grid-template-columns:22px 1fr;align-items:center;gap:9px;color:#565d6b;font-size:9px;line-height:1.6}.goal-list li>span{display:grid;place-items:center;width:21px;height:21px;border:1px solid #dacba8;border-radius:50%;color:#9a7029;background:#fffdf7;font-size:7px;font-weight:700}.intro-start{display:flex;align-items:center;justify-content:space-between;margin-top:27px;color:#8a8e96;font-size:8px}.intro-start strong{display:flex;align-items:center;gap:5px;color:var(--blue-dark);font-size:9px}.intro-start svg{width:14px}.vocabulary-page,.context-page,.practice-page{padding:32px 38px 42px}.content-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding-bottom:14px;border-bottom:1px solid #d9d5cc}.content-heading h1{margin:6px 0 0;font:400 31px/1.05 "DM Serif Display",serif;color:var(--navy)}.content-heading>span{padding:6px 10px;border:1px solid #d9ccad;border-radius:99px;color:#8b672b;background:#fffcf4;font-size:8px;font-weight:700}.content-lead{margin:13px 0 18px;color:var(--muted);font-size:11px;line-height:1.6}.vocab-list{position:relative;display:grid;grid-template-columns:1fr;gap:0;padding-left:8px}.vocab-list:before{position:absolute;top:8px;bottom:8px;left:55px;width:1px;background:#9b9b94;content:""}.vocab-card{display:grid;grid-template-columns:48px 1fr;min-width:0;min-height:178px;break-inside:avoid;border:0;border-bottom:1px solid #dedbd3;background:transparent;transition:border-color .18s ease,box-shadow .18s ease}.vocab-card:hover{background:#faf9f4}.vocab-card.marked-review{box-shadow:inset 3px 0 #c79642}.vocab-index{position:relative;z-index:1;padding-top:20px;color:#333;background:#fffefb;text-align:left;font:700 13px/1 Arial,sans-serif}.vocab-index:after{position:absolute;top:20px;right:-4px;width:7px;height:7px;border:1px solid #777;border-radius:50%;background:#fffefb;content:""}.vocab-main{min-width:0;padding:14px 14px 13px 20px}.vocab-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.vocab-heading h3{display:inline;margin:0;color:#202020;font-size:23px;letter-spacing:-.02em}.vocab-heading b{margin-left:8px;padding:3px 6px;color:#fff;background:#696966;font-size:9px;text-transform:uppercase}.vocab-heading span{display:block;margin:4px 0 0;color:#555;font-size:12px;white-space:nowrap}.vocab-actions{display:flex;flex:0 0 auto;gap:4px}.review-button,.audio-button{cursor:pointer}.review-button{display:grid;place-items:center;width:25px;height:25px;border:0;border-radius:50%;color:#8c7450;background:#faf5e9}.review-button[aria-pressed=true]{color:#a77928;background:#f6e8c5}.review-button svg{width:11px}.audio-button{display:grid;flex:0 0 auto;place-items:center;width:25px;height:25px;border:0;border-radius:50%;color:var(--blue);background:var(--blue-soft)}.audio-button svg{width:12px}.audio-button:disabled{color:#9ca2ad;background:#f0f1f2;cursor:not-allowed}.definition-block{margin-top:7px}.definition-block small,.example-block small{display:inline;margin-right:7px;color:#9a8260;font-size:8px;font-weight:700;text-transform:uppercase;letter-spacing:.09em}.definition-block strong{color:#222;font-size:13px;line-height:1.5}.word-references{display:grid;gap:3px;margin-top:6px}.word-references>div{display:grid;grid-template-columns:92px 1fr;gap:9px;align-items:baseline}.word-references small{color:#6e6e69;font-size:8px;font-weight:800;text-transform:uppercase;letter-spacing:.07em}.word-references p{margin:0;color:#374d77;font-size:11px;font-weight:600;line-height:1.5}.example-block{margin-top:7px;padding:0;border:0;background:transparent}.example-block p{display:block;margin:2px 0 0;color:#202020;font-size:12px;line-height:1.5}.example-block>span{display:block;margin-top:4px;color:#555;font-size:11px;line-height:1.5}.audio-panel{display:grid;grid-template-columns:40px 1fr auto;align-items:center;gap:13px;margin:20px 0 14px;padding:14px 17px;border-radius:4px;color:#fff;background:linear-gradient(115deg,#17315f,#3158a6)}.audio-panel>span{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#ffffff1f}.audio-panel svg{width:18px}.audio-panel strong,.audio-panel small{display:block}.audio-panel strong{font-size:10px}.audio-panel small{margin-top:4px;color:#d8e0f2;font-size:7px}.audio-panel button{display:flex;align-items:center;gap:5px;padding:7px 10px;border:1px solid #ffffff4d;border-radius:3px;color:#fff;background:#ffffff12;font-size:7px}.dialogue-list{display:grid;gap:9px}.dialogue-line{display:grid;grid-template-columns:36px 1fr;gap:11px;padding:13px 16px;border:1px solid #dfdcd5;border-radius:3px;background:#fff}.dialogue-line>span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;color:#fff;background:var(--navy);font:400 13px/1 "DM Serif Display",serif}.dialogue-line small{color:#9a8260;font-size:7px;font-weight:700;text-transform:uppercase;letter-spacing:.09em}.dialogue-line p{margin:4px 0 0;color:#364052;font-size:9px;line-height:1.6}.study-tip{display:flex;gap:11px;margin-top:13px;padding:13px 16px;border:1px solid #e2d6b7;border-radius:3px;background:#fffbef}.study-tip>svg{flex:0 0 auto;width:18px;color:#ae7e29}.study-tip strong{color:#705421;font-size:9px}.study-tip p{margin:3px 0 0;color:#76684a;font-size:8px;line-height:1.55}.practice-banner{display:flex;align-items:center;gap:12px;margin:20px 0 14px;padding:15px 17px;border:1px solid #d7deef;border-radius:4px;background:#f2f5fb}.practice-banner>span{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;color:#fff;background:var(--navy)}.practice-banner svg{width:17px}.practice-banner strong{color:var(--navy);font-size:10px}.practice-banner p{margin:4px 0 0;color:#6e7685;font-size:8px}.exercise-list{display:grid;gap:12px}.exercise-card{padding:18px;border:1px solid #dfdcd5;border-radius:4px;background:#fff}.exercise-label{display:flex;align-items:center;gap:8px}.exercise-label span{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;color:#fff;background:var(--gold);font-size:7px;font-weight:700}.exercise-label p{margin:0;color:#8e7653;font-size:7px;font-weight:700;text-transform:uppercase;letter-spacing:.1em}.exercise-card h3{margin:14px 0;color:#2f394b;font-size:11px;line-height:1.55}.option-list{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.option-list button{padding:9px;border:1px solid #dfe1e5;border-radius:3px;background:#fafafa;text-align:left;font-size:8px}.option-list button span{display:inline-grid;place-items:center;width:19px;height:19px;margin-right:6px;border-radius:50%;color:var(--blue);background:var(--blue-soft);font-size:6px;font-weight:700}.blank-input{padding:11px;border:1px dashed #bdc1c9;border-radius:3px;color:#979ca7;font-size:8px}.check-button{display:flex;align-items:center;justify-content:center;gap:7px;width:100%;margin-top:15px;padding:11px;border:0;border-radius:3px;color:#fff;background:var(--navy);font-size:9px;font-weight:700}.check-button svg{width:15px}.check-button:disabled{opacity:.55}.reader-footer{display:grid;grid-template-columns:130px 1fr 130px;align-items:center;gap:16px;margin-top:15px;padding:12px 2px}.reader-footer>button{display:flex;align-items:center;justify-content:center;gap:6px;padding:9px;border:0;background:transparent;color:#5e6470;font-size:9px;font-weight:600;cursor:pointer}.reader-footer>button svg{width:16px}.reader-footer>button:disabled{opacity:.3}.reader-footer nav{display:flex;justify-content:center;gap:5px}.reader-footer nav button{width:29px;height:29px;border:1px solid transparent;border-radius:50%;background:transparent;color:#777d87;font-size:8px;cursor:pointer}.reader-footer nav button.active{color:#fff;background:var(--navy)}.status-page{min-height:100vh;display:grid;place-content:center;justify-items:center;gap:13px;padding:24px;text-align:center;background:#f6f4ef}.status-page h1,.status-page p{margin:0}.status-page h1{color:var(--navy);font:400 34px/1.1 "DM Serif Display",serif}.status-page p{max-width:420px;color:var(--muted);font-size:11px;line-height:1.6}.status-page button{display:flex;align-items:center;gap:7px;margin-top:5px;padding:10px 16px;border:0;border-radius:3px;color:#fff;background:var(--navy);font-size:9px;font-weight:700;cursor:pointer}.status-page button svg{width:15px}.status-icon{display:grid;place-items:center;width:52px;height:52px;border:1px solid #ddcfad;border-radius:50%;color:var(--gold);background:#fffdf7}.status-icon svg{width:22px}.loader{width:30px;height:30px;border:3px solid #d9d9d5;border-top-color:var(--gold);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{rotate:360deg}}@media(max-width:1050px){.site-header{grid-template-columns:210px 1fr 150px}.reader-layout{grid-template-columns:215px minmax(0,1fr)}.reader-main{padding:26px 24px 40px}.intro-content{padding:44px 36px}.vocabulary-page,.context-page,.practice-page{padding-inline:28px}.vocab-heading span{display:block;margin:2px 0 0}}@media(min-width:1700px){.reader-layout{grid-template-columns:230px minmax(0,1fr);max-width:1920px}.reader-main{width:min(100%,1580px)}.page-spread.double{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}.page-spread.double .spread-page{display:block}.page-spread.double .book-page{min-height:900px}.page-spread.double .vocabulary-page,.page-spread.double .context-page,.page-spread.double .practice-page{padding-inline:27px}.page-spread.double .vocab-list{gap:8px}.page-spread.double .vocab-main{padding-inline:10px}.page-spread.double .intro-content{padding-inline:36px}}@media(max-width:760px){.catalog-header{min-height:62px;padding:0 16px}.catalog-header .brand div{display:block}.library-main,.contents-main{width:100%;padding-bottom:45px}.library-hero{grid-template-columns:1fr;min-height:360px;padding:48px 24px}.library-hero h1{font-size:48px}.hero-monogram{display:none}.library-section,.toc-section{padding:36px 18px 0}.book-grid{grid-template-columns:1fr}.book-card{grid-template-columns:105px 1fr;min-height:220px}.book-cover{padding:17px 12px}.book-cover strong{font-size:19px}.book-card-copy{padding:22px 18px}.book-card-copy h3{font-size:21px}.book-card-copy>div{display:block}.book-card-copy b{margin-top:12px}.contents-main{padding-top:22px}.contents-main>.back-link{margin-left:18px}.contents-hero{grid-template-columns:1fr;gap:30px;margin-top:20px;padding:34px 24px}.contents-cover{width:130px;height:175px}.contents-hero h1{font-size:40px}.book-stats{gap:24px}.chapter-card{grid-template-columns:1fr}.chapter-card>header{border-right:0;border-bottom:1px solid #e4dfd4}.lesson-list a{grid-template-columns:36px 1fr 16px;padding:16px}.lesson-list em{display:none}.site-header{grid-template-columns:42px 1fr auto;min-height:62px;padding:0 12px}.mobile-menu{display:grid;place-items:center}.brand>span{width:34px;height:34px}.brand div,.header-book{display:none}.header-progress{width:100px}.reader-layout{display:block}.reader-sidebar{position:fixed;inset:0 auto 0 0;z-index:80;width:min(310px,86vw);height:100vh;translate:-105% 0;transition:translate .22s ease;box-shadow:16px 0 45px #111a3333}.reader-sidebar.open{translate:0}.sidebar-heading button{display:grid;place-items:center;padding:6px}.sidebar-heading button svg{width:18px}.sidebar-backdrop{position:fixed;inset:0;z-index:70;display:block;border:0;background:#151b2b88}.reader-main{width:100%;padding:17px 12px 30px}.reader-bookline{margin-inline:3px}.reader-bookline p{display:none}.reader-tools{justify-content:space-between;margin:0 3px 10px}.book-page{min-height:0;border-radius:2px}.book-page:after{display:none}.intro-page{grid-template-columns:1fr}.intro-visual{min-height:285px}.intro-content{padding:34px 24px 40px}.intro-content h1{font-size:45px}.vocabulary-page,.context-page,.practice-page{padding:27px 18px 34px}.content-heading h1{font-size:28px}.vocab-list{grid-template-columns:1fr;gap:9px}.vocab-card{grid-template-columns:36px 1fr;min-height:0}.vocab-index{padding-top:16px}.vocab-main{padding:13px 14px 12px}.vocab-heading h3{font-size:21px}.vocab-heading span{display:block;margin:3px 0 0;font-size:11px}.definition-block{margin-top:6px}.definition-block strong{font-size:12px}.word-references>div{grid-template-columns:82px 1fr}.word-references small{font-size:7px}.word-references p{font-size:10px}.example-block{margin-top:8px}.example-block p{font-size:11px}.example-block>span{font-size:10px}.audio-panel{grid-template-columns:36px 1fr}.audio-panel button{display:none}.dialogue-line{padding-inline:12px}.option-list{grid-template-columns:1fr}.reader-footer{grid-template-columns:44px 1fr 44px;gap:4px}.reader-footer>button{font-size:0}.reader-footer>button svg{width:18px}.reader-footer nav{gap:2px}.reader-footer nav button{width:24px;height:24px}}.learning-modes{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 24px}.learning-modes button,.learning-studio button{border:1px solid #d6daca;border-radius:12px;padding:12px 18px;background:#fffef9;color:#22382e;font:inherit;cursor:pointer}.learning-modes button[aria-pressed=true],.learning-studio button[aria-pressed=true],.quiz-options .selected{background:#244c40;color:#fff;border-color:#244c40}.learning-studio{max-width:900px;margin:auto;padding:clamp(20px,4vw,48px);background:#fffef9;border:1px solid #ded9cd;border-radius:24px;box-shadow:0 16px 48px #2333290b}.learning-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}.learning-heading p{color:#6c7d70;font-size:12px;letter-spacing:.1em}.learning-heading h1{margin:8px 0 20px;font-size:32px}.learning-studio progress{width:100%;height:8px;accent-color:#356b56}.word-activity{text-align:center;padding-top:20px}.word-activity>p,.learning-studio>p{color:#607066;line-height:1.7}.word-activity h2{font-size:clamp(24px,4vw,38px);overflow-wrap:anywhere}.learning-studio .flashcard{width:100%;min-height:280px;display:flex;flex-direction:column;gap:22px;align-items:center;justify-content:center;margin:24px 0;padding:30px;background:#edf3e8;border-color:#cad7c3;color:#243c31}.flashcard strong{font-size:clamp(28px,5vw,44px);overflow-wrap:anywhere}.flashcard small{letter-spacing:.14em;font-size:11px}.flashcard span{line-height:1.7}.learning-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin:24px 0}.learning-studio button:disabled{opacity:.45;cursor:default}.learning-studio button:focus-visible,.learning-modes button:focus-visible{outline:3px solid #cf9b3c;outline-offset:3px}.quiz-options{display:grid;gap:12px;margin:30px 0}.quiz-options button{text-align:left;min-height:56px}.answer-feedback{padding:24px;border-radius:16px;line-height:1.6}.answer-feedback.correct{background:#e6f2e8;color:#28533a}.answer-feedback.incorrect{background:#fff0dd;color:#704821}.letter-bank{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.letter-bank button{min-width:44px;padding:12px;font-size:20px}.spelling-answer{min-height:70px;padding:16px;margin:24px 0;font-size:28px;letter-spacing:.08em;overflow-wrap:anywhere;background:#f1f3eb;border-radius:14px}.matching-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}.matching-grid>div{display:grid;grid-auto-rows:1fr;gap:10px}.matching-grid button{min-height:72px;padding:12px;overflow-wrap:anywhere}.learning-result{text-align:center;padding-top:40px;padding-bottom:40px}.end-practice .exercise-card{margin:24px 0;padding:20px;text-align:left;background:#f7f7f1;border-radius:16px}.end-practice input{width:100%;box-sizing:border-box;border:1px solid #c9d0c4;border-radius:10px;padding:14px;font:inherit}.completion-card{display:grid;grid-template-columns:auto 1fr;gap:16px;margin-top:24px;padding:24px;border:1px solid #b7d9c6;border-radius:18px;background:linear-gradient(135deg,#eef8f1,#f8fbf3);text-align:left}.completion-card>svg{width:32px;height:32px;color:#278052}.completion-card>div>p{margin:0 0 4px;color:#278052;font-size:11px;font-weight:900;letter-spacing:.12em}.completion-card h2{margin:0 0 5px;color:var(--navy);font-size:20px}.completion-card span,.completion-card small{color:#53665a;line-height:1.55}.completion-card>button,.completion-card>form,.completion-card>.completion-success,.completion-card>.completion-error,.completion-card>small{grid-column:1 / -1}.complete-button{min-height:48px;border:0;border-radius:12px;background:#197448;color:#fff;font:inherit;font-weight:800;cursor:pointer}.complete-button:disabled{cursor:wait;opacity:.65}.completion-login{display:grid;gap:10px;padding-top:8px}.completion-login strong{display:flex;align-items:center;gap:8px;color:#274937}.completion-login strong svg{width:18px}.completion-success{display:grid;gap:4px;padding:16px;border-radius:12px;background:#dff2e6;color:#214d35}.completion-success a{display:inline-flex;align-items:center;gap:6px;width:fit-content;margin-top:6px;color:#12643c;font-weight:900}.completion-success a svg{width:16px}.completion-error{margin:0;color:#a22f2f;font-weight:700}@media(max-width:480px){.learning-modes button{flex:1 0 28%;padding:10px;font-size:13px}.matching-grid{gap:8px}.matching-grid button{font-size:13px}}@media print{body{background:#fff}.site-header,.reader-sidebar,.reader-bookline,.reader-footer{display:none}.reader-layout{display:block}.reader-main{width:100%;padding:0}.book-page{min-height:0;border:0;box-shadow:none;break-after:page}}.catalog-header nav a,.catalog-eyebrow,.cover-kicker,.book-card-copy>p{font-size:12px}.library-hero{min-height:330px;padding:44px 48px}.library-hero>div:first-child>p:last-of-type{max-width:600px;color:#e5ecfc;font-size:16px;line-height:1.8}.catalog-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 20px;border-radius:10px;color:#17315f;background:#f5d78e;font-size:15px;font-weight:700;text-decoration:none}.library-hero .catalog-primary{margin-top:24px}.catalog-primary svg{flex-shrink:0;width:18px}.section-heading{gap:16px;flex-wrap:wrap}.section-heading p,.section-heading>span{font-size:13px}.book-card{grid-template-columns:150px minmax(0,1fr);border-radius:14px}.book-card-copy{padding:24px;min-width:0;gap:8px}.book-card-copy h3{overflow-wrap:anywhere}.book-card-copy>span{font-size:14px;line-height:1.75}.book-card-copy small,.book-card-copy b{font-size:13px}.book-card-copy>div{flex-wrap:wrap;margin-top:18px}.book-card:not(.upcoming) .book-card-copy b{padding:10px 12px;border-radius:8px;background:#edf2ff}.book-cover small,.coming-badge{font-size:11px;line-height:1.6}.book-cover{padding:22px 16px}.book-cover strong{font-size:24px}.back-link,.toc-back,.status-link{min-height:44px;font-size:14px}.contents-hero{border-radius:16px}.contents-hero>div:last-child>p:not(.catalog-eyebrow){font-size:16px}.book-stats{flex-wrap:wrap;gap:24px}.book-stats span{font-size:13px}.study-start{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;padding:24px;margin-top:24px;background:#fffefb;border:1px solid #ded9cd;border-radius:14px}.study-start strong{color:var(--navy);font-size:18px}.study-start p{color:#556176;line-height:1.7;margin:8px 0 0}.list-search{display:grid;gap:8px;margin-top:24px;max-width:480px;font-size:14px;font-weight:600}.list-search input{width:100%;min-height:48px;padding:12px 16px;border:1px solid #aaaeb8;border-radius:10px;font:inherit;background:#fff}.catalog-empty{padding:24px;color:#556176}.catalog-empty button{min-height:44px;padding:10px 16px;border:1px solid #b3bdcf;border-radius:8px;background:#fff;cursor:pointer}.chapter-card{border-radius:14px;overflow:hidden}.chapter-card header small,.lesson-list small,.lesson-list em{font-size:13px;line-height:1.6}.chapter-card header>svg{color:var(--gold);flex-shrink:0;width:24px}.lesson-list strong{font-size:17px}.lesson-number{font-size:13px}.lesson-list a{min-height:108px}.reader-sidebar nav strong{font-size:14px}.reader-sidebar nav small{font-size:12px;text-transform:none;letter-spacing:0;line-height:1.5;color:#626b7c}.reader-sidebar{overflow-y:auto}.reader-tools{flex-wrap:wrap}.reader-tools button,.reader-tools span{min-height:44px;font-size:14px;padding:10px 14px}.reader-bookline strong{font-size:16px}.reader-bookline small,.reader-bookline p,.header-progress b{font-size:12px}.sidebar-note strong{font-size:14px}.sidebar-note span{font-size:12px}.end-practice .check-button{min-height:48px;font-size:16px;border-radius:10px}@media(max-width:1000px){.book-grid{grid-template-columns:1fr}}@media(max-width:760px){.library-hero{padding:36px 24px}.book-card{grid-template-columns:105px minmax(0,1fr)}.book-cover{padding:18px 10px}.book-cover strong{font-size:19px}.book-cover .cover-kicker,.book-cover small,.coming-badge{font-size:10px;letter-spacing:0}.book-card-copy{padding:20px 14px}.contents-hero{border-radius:0}.study-start{margin:20px 18px 0;padding:20px}.study-start .catalog-primary{width:100%}.lesson-list a{grid-template-columns:minmax(0,1fr) auto;gap:12px}.lesson-list .lesson-number{display:none}.lesson-list em{display:block;grid-column:1}.lesson-list a>svg{grid-column:2;grid-row:1 / 3}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.book-card,.reader-sidebar,.header-progress i{transition:none}}:root,body,.catalog-shell,.reader-shell,.status-page{background:#f8faf9;color:var(--ink)}.catalog-header,.site-header{background:#fff;border-color:var(--line)}.brand>span{background:var(--green);box-shadow:0 7px 16px #0f9f6e22}.library-hero,.contents-hero{background:radial-gradient(circle at 82% 10%,#48dca538,transparent 30%),linear-gradient(135deg,#092d23,#0f624a)}.catalog-eyebrow,.hero-monogram span,.book-stats b{color:#bbf7d0}.library-hero>div:first-child>p:last-of-type,.contents-hero>div:last-child>p:not(.catalog-eyebrow),.book-stats span{color:#daf5e9}.book-cover,.contents-cover,.book-cover.grammar,.book-cover.toeic{background:linear-gradient(145deg,#0d7958,#075e46);box-shadow:none}.book-cover>svg,.contents-cover>svg{color:#bbf7d0}.book-cover small{color:#daf5e9}.book-card,.study-start,.chapter-card,.learning-studio{border-color:var(--line);background:#fff}.book-card{box-shadow:0 12px 35px #1b322a0d}.book-card:hover{box-shadow:0 18px 45px #1b322a1a}.book-card.upcoming:hover{box-shadow:none}.book-card-copy>div,.section-heading{border-color:var(--line)}.book-card-copy .coming-label{color:var(--green-dark)}.catalog-primary,.complete-button,.learning-studio .complete-button{color:#fff;background:var(--green-dark);border-color:var(--green-dark)}.catalog-primary:hover,.complete-button:hover{background:#066647}.book-card:not(.upcoming) .book-card-copy b,.chapter-card>header,.reader-sidebar,.lesson-list a:hover,.reader-sidebar nav>button:hover{background:var(--green-soft)}.chapter-card>header,.reader-sidebar,.reader-tools button,.reader-tools span{border-color:var(--line)}.lesson-number{color:var(--green-dark);border-color:#a9ddca}.reader-tools button,.reader-tools span,.sidebar-note{background:#fff}.reader-tools button:hover{color:var(--green-dark);border-color:var(--green)}.sidebar-note,.goal-list,.dialogue-line,.exercise-card{border-color:var(--line)}.book-page{background:#fff;border-color:var(--line);box-shadow:0 18px 50px #1b322a14}.intro-visual{background:linear-gradient(145deg,#0d7958,#075e46)}.intro-shade{background:linear-gradient(180deg,#0f9f6e18,#092d23cc)}.goal-list,.practice-banner,.end-practice .exercise-card,.spelling-answer{background:var(--green-pale)}.learning-modes button,.learning-studio button{background:#fff;color:var(--ink);border-color:var(--line)}.learning-modes button[aria-pressed=true],.learning-studio button[aria-pressed=true],.quiz-options .selected,.learning-studio .check-button{background:var(--green-dark);border-color:var(--green-dark);color:#fff}.learning-studio .flashcard{background:var(--green-soft);border-color:#a9ddca;color:var(--navy)}.learning-studio progress{accent-color:var(--green)}button:focus-visible,a:focus-visible,input:focus-visible,.learning-studio button:focus-visible,.learning-modes button:focus-visible{outline:3px solid var(--green);outline-offset:3px}.learning-modes{padding:6px;background:#edf2ef;border-radius:18px;gap:5px}.learning-modes button{flex:1;border-color:transparent;background:transparent;font-weight:600;transition:background .18s,box-shadow .18s}.learning-modes button[aria-pressed=true]{box-shadow:0 3px 9px #087a5526}.learning-studio{padding:clamp(16px,3vw,36px)}.learning-studio button{transition:background .18s,border-color .18s,box-shadow .18s,transform .18s}.learning-studio button:not(:disabled):hover{border-color:var(--green)}.learning-studio button:not(:disabled):active{transform:translateY(1px)}.learning-heading h1{font-size:clamp(25px,4vw,32px);margin-bottom:16px}.learning-heading>span{background:var(--green-soft);color:var(--green-dark);padding:8px 13px;border-radius:30px;white-space:nowrap;font-weight:700}.learning-studio progress{display:block;border:0;border-radius:20px;overflow:hidden;background:#edf2ef}.learning-studio progress::-webkit-progress-bar{background:#edf2ef}.learning-studio progress::-webkit-progress-value{background:var(--green);border-radius:20px;transition:width .3s}.session-stats{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;padding:14px 0 20px;color:var(--muted);font-size:14px}.session-stats span{display:inline-flex;gap:6px;align-items:center}.session-stats span:first-child{color:var(--green-dark)}.session-stats span:last-child{margin-left:auto}.flashcard-toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;margin:0 0 16px}.flashcard-toolbar p{color:var(--muted);line-height:1.6;margin:0;font-size:15px}.learning-studio .pronounce-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;flex-shrink:0;color:var(--green-dark);background:var(--green-pale);font-size:14px}.learning-studio .flashcard-scene{display:block;width:100%;padding:0;border:0;background:transparent;perspective:1400px;text-align:center;border-radius:24px;cursor:pointer}.learning-studio .flashcard-scene:active{transform:none}.flashcard-inner{display:grid;position:relative;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.2,.65,.3,1)}.is-flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-face{grid-area:1 / 1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;min-width:0;min-height:340px;padding:clamp(24px,4vw,44px);border:1px solid #b9dfcf;border-radius:24px;backface-visibility:hidden;-webkit-backface-visibility:hidden;box-shadow:0 10px 26px #17362d0a;overflow-wrap:anywhere}.flashcard-front{background:radial-gradient(ellipse at top right,#d2f2e4,transparent 70%),#f3fcf8}.flashcard-back{transform:rotateY(180deg);background:#fff}.card-eyebrow{display:block;color:var(--green-dark);letter-spacing:.12em;font-size:12px;font-weight:700}.flashcard-front strong{font-size:clamp(32px,5vw,52px);line-height:1.15;letter-spacing:-.025em;color:#123e2e}.flashcard-back strong{font-size:clamp(25px,3vw,34px);line-height:1.35;color:var(--ink)}.card-ipa{font-size:20px;color:#52685d}.card-pos{padding:4px 13px;border-radius:20px;background:#dff3e9;color:var(--green-dark);font-size:14px}.card-flip-hint{display:inline-flex;align-items:center;justify-content:center;gap:8px;color:#597466;font-size:13px;margin-top:10px}.card-example{display:flex;flex-direction:column;gap:10px;line-height:1.65;font-size:18px;max-width:570px}.card-translation{color:var(--muted);font-size:16px}.card-collocations{display:flex;flex-direction:column;gap:8px;padding-top:16px;border-top:1px solid var(--line);font-size:15px;line-height:1.6;width:100%}.flashcard-instruction{text-align:center;color:var(--muted);font-size:14px;margin:22px 0 12px}.flashcard-ratings{display:grid;grid-template-columns:1fr 1fr;gap:12px}.flashcard-ratings button{display:flex;align-items:center;justify-content:center;gap:10px;min-height:56px;font-weight:600}.learning-studio .rating-known{color:#fff;background:var(--green-dark);border-color:var(--green-dark)}.learning-studio .rating-known:not(:disabled):hover{background:#066647}.flashcard-shortcuts{text-align:center;color:var(--muted);font-size:12px;line-height:1.8;margin-top:18px}.flashcard-practice kbd{font:inherit;font-size:11px;border:1px solid currentColor;opacity:.65;padding:1px 5px;border-radius:4px}.result-medal{display:grid;place-items:center;width:76px;height:76px;border-radius:50%;margin:0 auto 20px;background:var(--green-soft);color:var(--green-dark)}.learning-result p{color:var(--muted);line-height:1.7}.flashcard-practice,.word-activity,.learning-result{animation:practice-arrive .26s ease-out}.is-speaking{animation:speech-pulse .75s ease-in-out infinite alternate}@keyframes practice-arrive{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes speech-pulse{0%{opacity:.4}to{opacity:1}}@media(max-width:600px){.flashcard-toolbar{align-items:flex-start}.flashcard-toolbar p{font-size:14px}.pronounce-button span{display:none}.learning-studio .pronounce-button{padding:11px}.flashcard-face{padding:24px 18px;min-height:330px;gap:15px}.flashcard-ratings{gap:8px}.flashcard-ratings button{padding:12px 8px;gap:6px;font-size:14px}.flashcard-ratings kbd,.flashcard-shortcuts{display:none}.session-stats{gap:10px;font-size:12px}.card-example{font-size:17px}}@media(prefers-reduced-motion:reduce){.flashcard-inner,.learning-studio button,.learning-modes button,.learning-studio progress::-webkit-progress-value{transition:none}.flashcard-practice,.word-activity,.learning-result,.is-speaking{animation:none}}.learning-studio .flashcard-scene[aria-pressed]{color:var(--ink);background:transparent;border:0}.vocabulary-foreword{margin:28px 0;padding:clamp(22px,4vw,44px);background:#fff;border:1px solid var(--line);border-radius:20px}.foreword-heading{display:flex;align-items:center;gap:16px;margin-bottom:24px}.foreword-heading>svg{flex-shrink:0;width:48px;height:48px;padding:12px;border-radius:14px;color:var(--green-dark);background:var(--green-soft)}.foreword-heading .catalog-eyebrow{margin:0 0 6px}.foreword-heading h2{margin:0;font-size:clamp(22px,3vw,28px)}.foreword-copy{max-width:800px;color:#46564e;font-size:16px;line-height:1.85}.foreword-copy p{margin:0 0 18px}.foreword-copy strong,.foreword-copy h3{color:var(--ink)}.foreword-copy h3{font-size:19px;margin:28px 0 16px}.foreword-copy ol{padding-left:24px;margin:0}.foreword-copy li{padding-left:8px;margin-bottom:18px}.foreword-copy li::marker{color:var(--green-dark);font-weight:700}.foreword-copy .foreword-signoff{margin:24px 0 0;border-left:3px solid var(--green);padding:12px 18px;background:var(--green-pale);color:var(--green-dark);border-radius:0 10px 10px 0}.library-hero h1,.contents-hero h1,.section-heading h2,.book-cover strong,.contents-cover strong,.book-card-copy h3,.book-stats b,.chapter-card>header>span,.chapter-card h3,.brand strong,.header-book strong,.sidebar-heading strong,.reader-sidebar nav>button>span,.page-number,.chapter-mark span,.intro-content h1,.content-heading h1,.dialogue-line>span,.status-page h1{font-family:Be Vietnam Pro,system-ui,sans-serif;font-weight:700;letter-spacing:-.025em}
