:root{--ink:#1f2926;--green:#183e32;--paper:#fbfaf6;--line:#dedbd2;--muted:#707873;--gold:#b88946}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,sans-serif}a{color:inherit}button,input{font:inherit}button{color:inherit}:focus-visible{outline:3px solid #d7a452;outline-offset:3px}[hidden]{display:none!important}
header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,6vw,80px);border-bottom:1px solid var(--line)}.logo{display:flex;align-items:center;gap:11px;padding:0;background:none;border:0;cursor:pointer}.logo span{width:36px;height:36px;display:grid;place-items:center;color:var(--gold);border:1px solid var(--gold);border-radius:50%}.logo strong,h1,h2,h3{font-family:Georgia,serif}nav{align-self:stretch;display:flex;gap:25px}nav button{position:relative;padding:0 3px;background:none;border:0;font-size:13px;cursor:pointer}nav button.active:after{content:"";position:absolute;right:0;bottom:0;left:0;height:3px;background:var(--green)}
.intro{padding:78px clamp(22px,9vw,130px) 70px;background:#f2eee4}.intro>p,.question-heading>p{margin:0 0 16px;color:#8c6935;font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}h1{max-width:850px;margin:0 0 32px;font-size:clamp(42px,6vw,70px);font-weight:400;letter-spacing:-.045em}.search{max-width:680px;height:62px;display:flex;align-items:center;gap:13px;padding:0 19px;background:#fff;border:1px solid #cdc7ba;box-shadow:0 9px 26px rgba(32,42,38,.06)}.search>span{font-size:25px}.search input{flex:1;min-width:0;border:0;outline:0;background:transparent}
.books{padding:62px clamp(22px,9vw,130px) 90px}.title-row{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:20px}h2{margin:0;font-size:34px;font-weight:400}.title-row p{max-width:680px;margin:8px 0 0;color:var(--muted);font-size:12px;line-height:1.6}.book-count{padding:11px 0;color:#8a7560;border-top:1px solid var(--line);font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.book-list{border-top:1px solid var(--line)}.book-list article{min-height:98px;display:grid;grid-template-columns:48px minmax(230px,1fr) minmax(270px,.8fr) 92px;align-items:center;gap:20px;padding:14px 0;border-bottom:1px solid var(--line)}.cover{width:42px;height:54px;display:grid;place-items:center;color:#a87531;background:#ece4d4;border-left:3px solid #ccb98f;font-family:Georgia,serif}.book-list h3{margin:0 0 6px;font-size:18px}.book-list p{margin:0;color:var(--muted);font-size:11px}.meta{display:flex;flex-wrap:wrap;gap:4px 14px;color:var(--muted);font-size:10px;line-height:1.5}.meta span:not(:last-child):after{content:"·";margin-left:14px;color:#b0aaa0}.read{min-height:40px;padding:0 12px;color:#fff;background:var(--green);border:0;cursor:pointer;font-size:11px}.empty{padding:65px 0;text-align:center;border-bottom:1px solid var(--line)}.empty h3{font-size:24px}.empty button{padding:10px 15px;color:#fff;background:var(--green);border:0;cursor:pointer}.library-rule{max-width:850px;margin:34px 0 0;padding-left:14px;color:#777d79;border-left:2px solid var(--gold);font-size:11px;line-height:1.7}
.question-page{display:grid;grid-template-columns:minmax(280px,.75fr) 1.25fr;gap:clamp(50px,9vw,130px);min-height:calc(100vh - 76px);padding:90px clamp(22px,8vw,120px)}.question-heading h1{font-size:clamp(42px,5vw,65px)}.question-heading>span{color:var(--muted);font-family:Georgia,serif}.question-list{border-top:1px solid var(--line)}.question-list details{border-bottom:1px solid var(--line)}.question-list summary{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px;list-style:none;cursor:pointer;font:700 17px Georgia,serif}.question-list summary::-webkit-details-marker{display:none}.question-list summary>span:last-child{color:var(--gold);font:300 23px Arial,sans-serif;transition:transform .2s}.question-list details[open] summary>span:last-child{transform:rotate(45deg)}.answer{padding:0 45px 25px 0}.answer p{margin:0 0 17px;color:#5f6864;font-family:Georgia,serif;font-size:13px;line-height:1.75}.answer button{padding:0;color:#89642e;background:none;border:0;border-bottom:1px solid #bfa77f;font-size:11px;cursor:pointer}
footer{min-height:120px;display:flex;align-items:center;gap:15px;padding:28px clamp(22px,6vw,80px);color:#cfd8d4;background:#102f27}footer>span{color:#d3a966;font-size:22px}footer p{margin:0;font:700 14px Georgia,serif}footer small{margin-left:auto;color:#9fb0a8}.reader{position:fixed;z-index:20;inset:0;display:flex;flex-direction:column;background:#d9d7d0}.reader-bar{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:25px;padding:12px 22px;color:#fff;background:#102f27}.reader-bar h2{font-size:19px}.reader-bar p{margin:5px 0 0;color:#b8c8c1;font-size:10px}.reader-actions{display:flex;align-items:center;gap:9px}.reader-actions a,.reader-actions button{min-height:38px;display:grid;place-items:center;padding:0 13px;color:#fff;background:transparent;border:1px solid #788e85;text-decoration:none;font-size:10px;cursor:pointer}.reader-actions button{color:#172e27;background:#f1d39f;border-color:#f1d39f}.reader iframe{flex:1;width:100%;border:0;background:#fff}
@media(max-width:850px){.book-list article{grid-template-columns:48px 1fr 92px}.meta{grid-column:2}.read{grid-column:3;grid-row:1/span 2}.question-page{grid-template-columns:1fr}}@media(max-width:620px){header{height:68px}.intro{padding-top:58px;padding-bottom:58px}.title-row{align-items:flex-start;flex-direction:column}.book-list article{grid-template-columns:42px 1fr;gap:12px;padding:18px 0}.cover{grid-row:1/span 2}.meta{grid-column:2}.read{grid-column:2;grid-row:auto;justify-self:start;min-width:90px}footer{align-items:flex-start;flex-direction:column}footer small{margin:0}.reader-bar{align-items:flex-start;flex-direction:column}.reader-actions{width:100%;flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}