:root{--blue:#005bea;--orange:#ef7100;--red:#d71939;--ink:#182333;--muted:#536278;--paper:#fff;--surface:#f5f8fe;--line:#dbe3ef;--reading-size:19px;--serif:Georgia,'Times New Roman',serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--surface);color:var(--ink);font:16px/1.65 Arial,Helvetica,sans-serif}a{color:var(--blue);text-underline-offset:4px}a:hover{color:#0044b5}a:focus-visible,button:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}button,select{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto}button:disabled{opacity:.4;cursor:default}[hidden]{display:none!important}.skip{position:absolute;top:-100px;left:16px;z-index:200;background:#fff;padding:12px}.skip:focus{top:12px}
.site-header{background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px max(24px,calc((100% - 1200px)/2));position:sticky;top:0;z-index:20}.brand{font-size:23px;font-weight:900;letter-spacing:-.7px;text-decoration:none;color:var(--blue);white-space:nowrap}.brand b{color:var(--ink)}.site-header nav{display:flex;gap:6px;flex-wrap:wrap}.site-header nav a{text-decoration:none;color:var(--ink);font-size:14px;font-weight:700;padding:7px 12px;border-radius:9px}.site-header nav a:hover{background:#edf4ff}.site-header nav a[aria-current]{background:#ff8616;color:#182333}.site-footer{text-align:center;background:#fff;border-top:1px solid var(--line);padding:32px 20px;display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;font-size:14px}.site-footer strong{font-size:17px;color:var(--blue)}.site-footer span{color:var(--muted)}
.book-home,.reader-shell,.guide-page{max-width:1200px;margin:auto;padding:24px 24px 64px}.breadcrumb{font-size:13px;display:flex;flex-wrap:wrap;gap:8px;margin:0 0 24px;color:var(--muted)}.breadcrumb a{text-decoration:none;font-weight:700}.book-hero{display:grid;grid-template-columns:300px minmax(0,1fr);gap:60px;align-items:center;background:var(--paper);padding:42px;border:1px solid var(--line);border-radius:24px;box-shadow:0 16px 48px #203b6510;position:relative;overflow:hidden}.book-hero:before{content:'';position:absolute;top:0;left:0;right:0;height:7px;background:linear-gradient(90deg,var(--blue),var(--orange),var(--red))}.cover-wrap{max-width:300px;margin:auto}.cover-wrap img{display:block;border-radius:5px 12px 12px 5px;box-shadow:7px 14px 26px #14233230}.eyebrow{color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.11em;margin:0 0 14px}.book-presentation h1{font-size:clamp(34px,4.3vw,58px);line-height:1.12;letter-spacing:-.055em;font-weight:900;margin:0 0 18px;overflow-wrap:anywhere}.book-presentation h1 span{color:var(--orange);font-size:.8em;letter-spacing:.02em}.subtitle{font:italic 23px/1.5 var(--serif);margin:0 0 20px}.book-description{color:var(--muted);max-width:620px}.book-facts{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}.book-facts span{padding:5px 11px;border-radius:100px;background:#edf4ff;color:#1446a0;font-size:12px;font-weight:700}.publisher{font-size:13px;color:var(--muted);line-height:1.8}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;padding:11px 17px;border:2px solid var(--blue);border-radius:10px;font-weight:700;text-decoration:none;font-size:14px}.primary{background:var(--blue);color:white}.primary:hover{color:white;background:#0044b5}.secondary{background:#fff;color:var(--blue)}.resume{border-color:var(--orange);color:#9a4400;background:#fff6e9}
.index-panel{margin-top:32px;padding:32px;background:var(--paper);border-radius:20px;border:1px solid var(--line);scroll-margin-top:100px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:20px}.section-heading h2{font-size:29px;margin:0;line-height:1.3}.section-heading p:last-child{color:var(--muted);font-size:13px}.toc-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}.toc-list a{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding:14px 8px;color:var(--ink);text-decoration:none;font-size:14px;line-height:1.5;min-height:76px;border-radius:7px}.toc-list a:hover{background:#edf4ff;color:var(--blue)}.toc-number{color:var(--blue);font-size:12px;font-weight:800;min-width:38px;flex-shrink:0}.toc-list a>span:nth-child(2){flex:1}.toc-list small{font-size:11px;color:var(--muted);white-space:nowrap}.edition-note{margin-top:28px;padding:25px 30px;background:#fff4e4;border-left:5px solid var(--orange);border-radius:12px}.edition-note h2{font-size:19px;margin:0 0 10px}.edition-note p{font-size:14px;margin:10px 0}
.reader-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:28px;align-items:start}.reader-sidebar{position:sticky;top:100px;background:var(--paper);border:1px solid var(--line);border-radius:14px;max-height:calc(100vh - 122px);overflow:auto;scrollbar-width:thin}.book-mini{display:flex;align-items:center;gap:12px;padding:20px;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--line)}.book-mini img{width:42px;border-radius:3px}.book-mini strong{font-size:13px;line-height:1.3;display:block}.book-mini small{display:block;font-size:11px;color:var(--muted);margin-top:4px}.chapter-menu{padding:10px 12px}.chapter-menu summary{cursor:pointer;font-size:13px;font-weight:700;padding:8px 4px}.reader-sidebar .toc-list{display:block}.reader-sidebar .toc-list a{min-height:0;font-size:12px;padding:10px 7px;gap:8px}.reader-sidebar .toc-number{min-width:30px;font-size:10px}.reader-sidebar .toc-list small{display:none}.toc-list a[aria-current]{background:#edf4ff;border-left:3px solid var(--blue);font-weight:700}.guide-link{display:block;font-size:12px;padding:14px 8px;font-weight:700}.reading-column{min-width:0}.reader-tools{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;background:var(--paper);padding:13px 18px;border:1px solid var(--line);border-radius:12px;margin-bottom:18px;font-size:12px}.text-size{display:flex;align-items:center;gap:7px}.text-size span{margin-right:4px}.reader-tools button{background:#edf4ff;color:var(--blue);border:1px solid #c5d9fc;border-radius:6px;padding:5px 10px;font-weight:800}.reader-tools label{display:flex;align-items:center;gap:6px}.reader-tools select{font-size:12px;border:1px solid var(--line);border-radius:6px;background:var(--paper);padding:5px;color:var(--ink)}#read-status{color:var(--muted);font-size:11px}.chapter{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:40px 48px;box-shadow:0 8px 25px #203b6507}.chapter-header{padding-bottom:26px;margin-bottom:26px;border-bottom:1px solid var(--line)}.chapter-header h1{font:700 clamp(27px,3vw,38px)/1.2 var(--serif);letter-spacing:-.015em;margin:0 0 15px;text-wrap:balance;overflow-wrap:anywhere}.chapter-meta{color:var(--muted);font-size:12px;margin:0 0 15px}.progress-track{height:3px;background:#e4ebf5;border-radius:10px;overflow:hidden}.progress-track span{display:block;background:var(--orange);width:0;height:100%}.book-text{font:var(--reading-size)/1.85 var(--serif);overflow-wrap:break-word}.book-text p{margin:0 0 1.35em}.book-text h2{font:700 1.14em/1.45 var(--serif);color:var(--ink);margin:1.7em 0 .8em;text-wrap:balance}.book-text>h2:first-child{margin-top:0}.book-text strong{font-weight:700}.chapter-navigation{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}.chapter-navigation a{display:flex;flex-direction:column;background:var(--paper);padding:20px;border:1px solid var(--line);border-radius:12px;font-size:14px;font-weight:700;text-decoration:none;line-height:1.45}.chapter-navigation a:last-child{text-align:right}.chapter-navigation small{color:var(--muted);font-size:11px;margin-bottom:8px;font-weight:400}.back-index{display:block;text-align:center;font-size:13px;padding:22px}.guide-article{max-width:820px;margin:auto;background:var(--paper);padding:42px 55px;border:1px solid var(--line);border-radius:20px}.exercise{padding:20px 24px;border-left:4px solid var(--orange);background:#fff6e9;border-radius:10px;margin:25px 0}.exercise>strong{display:block;font:700 13px/1.5 Arial,sans-serif;color:#9a4400;margin-bottom:10px}.exercise p{font-size:.92em;margin:0}.guide-article .eyebrow{color:#a84900}body[data-paper="warm"]{--paper:#fffaf0;--surface:#f5efdf;--line:#e2d7c1;--ink:#332d25;--muted:#6b6053}
@media(max-width:1050px){.book-hero{gap:35px;grid-template-columns:250px minmax(0,1fr);padding:35px}.reader-layout{grid-template-columns:230px minmax(0,1fr);gap:20px}.chapter{padding:32px}.reader-tools{gap:12px}.site-header{padding:14px 24px}}
@media(max-width:760px){html{scroll-padding-top:20px}.site-header{position:relative;flex-direction:column;align-items:flex-start;gap:10px;padding:15px 20px}.site-header nav{gap:2px}.site-header nav a{font-size:13px;padding:6px 10px}.book-home,.reader-shell,.guide-page{padding:20px 16px 45px}.book-hero{grid-template-columns:1fr;padding:28px 22px;gap:28px}.cover-wrap{max-width:200px}.book-presentation h1{font-size:clamp(35px,8vw,54px)}.subtitle{font-size:21px}.book-description{font-size:15px}.actions .button{flex:1 1 auto;gap:12px}.section-heading{align-items:flex-start;flex-direction:column;gap:0}.section-heading p:last-child{margin-bottom:0}.index-panel{padding:25px 20px;scroll-margin-top:20px}.toc-list{grid-template-columns:1fr;gap:0}.toc-list a{min-height:65px}.toc-list small{font-size:10px}.edition-note{padding:20px}.reader-layout{display:block}.reader-sidebar{position:relative;top:auto;max-height:none;margin-bottom:18px}.book-mini{padding:14px 18px}.book-mini img{width:32px}.reader-sidebar .toc-list{max-height:320px;overflow-y:auto}.chapter-menu{padding:8px 14px}.reader-tools{padding:12px;gap:12px}.reader-tools output{width:100%}.chapter{padding:28px 22px;border-radius:12px}.chapter-header h1{font-size:30px}.book-text{font-size:var(--reading-size);line-height:1.8}.chapter-navigation{gap:10px}.chapter-navigation a{padding:15px 12px;font-size:12px}.guide-article{padding:28px 22px}.exercise{padding:18px}.site-footer{gap:8px;flex-direction:column}.brand{font-size:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.reading-sections{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.reading-sections a{font:700 11px/1.5 Arial,sans-serif;text-decoration:none;background:#edf4ff;border:1px solid #bfd3f6;color:#005be8;border-radius:100px;padding:7px 12px}.reading-sections a:nth-child(2){background:#fff3e4;border-color:#ffd19b;color:#9a4400}.reading-sections a:nth-child(3){background:#edf9f1;border-color:#afe0bf;color:#006a35}.original-label{font:800 10px/1.5 Arial,sans-serif;letter-spacing:.09em;text-transform:uppercase;color:#536278;padding-bottom:15px;scroll-margin-top:100px}
.chapter-expansion{margin-top:42px;padding-top:32px;border-top:4px solid #ff8616;scroll-margin-top:95px}.growth-header{margin-bottom:28px}.growth-header>.eyebrow{color:#a84900}.growth-header h2{font:700 clamp(25px,2.6vw,33px)/1.25 Georgia,serif;color:var(--ink);margin:0 0 18px;letter-spacing:-.02em}.growth-purpose{padding:17px 20px;border-radius:10px;background:#fff4e4;border-left:4px solid #ff8616;font-size:14px;line-height:1.65;margin:0 0 14px}.growth-label{font-size:11px;color:var(--muted);line-height:1.6;margin:0}.growth-text h3{font:700 1.1em/1.4 Georgia,serif;margin:1.7em 0 .8em;color:var(--ink);scroll-margin-top:100px}.growth-text>h3:first-child{margin-top:0}.growth-method{padding-left:25px;margin:0 0 28px}.growth-method li{padding-left:8px;margin-bottom:20px}.growth-method li::marker{color:#005be8;font-weight:700}.growth-method li>p{margin:7px 0 0}.growth-case{padding:22px 24px;background:#eff5ff;border-left:4px solid #005be8;border-radius:12px;margin:32px 0}.growth-case h3{margin:0 0 13px;font:800 12px/1.5 Arial,sans-serif;color:#005be8;letter-spacing:.03em;text-transform:uppercase}.growth-case p{margin:0;font-size:.95em}.growth-opportunities{display:grid;grid-template-columns:1fr;gap:12px;margin:22px 0}.growth-opportunities>div{border:1px solid #cce8d6;border-left:4px solid #008646;background:#f3fbf6;border-radius:10px;padding:18px 20px}.growth-opportunities h4{font:800 13px/1.4 Arial,sans-serif;color:#006a35;margin:0 0 9px}.growth-opportunities p{font-size:.93em;margin:0}.growth-exercise{padding:22px 24px;border:1px solid #ffd8a6;background:#fff6e9;border-radius:12px;margin:30px 0}.growth-exercise h3{font:800 14px/1.5 Arial,sans-serif;margin:0 0 14px;color:#9a4400}.growth-exercise p{font-size:.95em}.growth-deliverable{font:700 12px/1.6 Arial,sans-serif!important;color:#536278;margin-bottom:0!important}.growth-table-wrap{overflow-x:auto;margin:22px 0 28px;border:1px solid var(--line);border-radius:10px}.growth-plan{width:100%;min-width:420px;border-collapse:collapse;font:14px/1.65 Arial,sans-serif;text-align:left}.growth-plan caption{text-align:left;color:var(--muted);font-size:11px;padding:10px 15px;background:var(--paper)}.growth-plan thead{background:#005be8;color:#fff}.growth-plan th,.growth-plan td{padding:13px 15px;vertical-align:top;border-bottom:1px solid var(--line)}.growth-plan tbody th{width:48px;color:#005be8;font-weight:800}.growth-plan tbody tr:nth-child(even){background:#f5f8fe}.growth-plan tbody tr:last-child>*{border-bottom:0}.growth-questions{padding-left:23px}.growth-questions li{margin-bottom:12px}.growth-principle{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:23px 0;margin-top:30px}.growth-principle>strong{display:block;color:#005be8;font:800 11px/1.5 Arial,sans-serif;letter-spacing:.05em;text-transform:uppercase;margin-bottom:12px}.growth-principle p{font-style:italic;margin:0}.growth-overview{background:var(--paper);border:1px solid var(--line);padding:30px;border-radius:20px;margin-top:28px}.growth-overview h2{font-size:27px;line-height:1.25;margin:0 0 20px}.growth-overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:22px}.growth-overview-grid>div{padding:20px;background:#edf4ff;border-top:4px solid #005be8;border-radius:10px}.growth-overview-grid>div:nth-child(2){background:#fff3e4;border-color:#ff8616}.growth-overview-grid>div:nth-child(3){background:#edf9f1;border-color:#008646}.growth-overview-grid strong{font-size:15px}.growth-overview-grid p{font-size:13px;color:var(--muted);margin-bottom:0}.book-facts span{line-height:1.5}
@media(max-width:760px){.chapter-expansion{padding-top:26px;margin-top:32px;scroll-margin-top:20px}.growth-text h3,.original-label{scroll-margin-top:20px}.growth-case,.growth-exercise{padding:20px 18px}.growth-opportunities>div{padding:18px}.growth-plan{font-size:12px}.growth-plan th,.growth-plan td{padding:11px 12px}.growth-overview{padding:24px 20px}.growth-overview-grid{grid-template-columns:1fr;gap:12px}.reading-sections a{font-size:10px;padding:6px 9px}.growth-purpose{padding:15px 17px;font-size:13px}}