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@media(min-width:1600px){.main{max-width:1130px}.layout{gap:50px}}
@media(max-width:1100px){.layout{padding-left:24px;padding-right:24px;grid-template-columns:206px minmax(0,1fr);gap:25px}.topbar-in{padding-left:24px;padding-right:24px}.hero{padding:34px 34px 28px}.chapter-header{padding-left:29px;padding-right:29px}.chapter-body{padding-left:32px;padding-right:32px}.hero h1{font-size:37px}.case-grid{grid-template-columns:1fr}}
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@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
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@media screen{html.large-type .clause h3{font-size:21px}html.large-type .clause p,html.large-type .clause li,html.large-type .clause blockquote p,html.large-type .exercise p{font-size:19px}html.large-type table{font-size:17px}html.large-type .exercise summary{font-size:18px}html.large-type .note p,html.large-type .references li,html.large-type .references li p,html.large-type .case p,html.large-type .authority p{font-size:16px}.tool{min-height:44px}.study-link{min-height:36px}.nav-link{min-height:36px}}
@media screen and (max-width:680px){html.large-type td:before{font-size:14px}html.large-type .chapter-header h2{font-size:23px}.study-link,.nav-link{min-height:44px}.study-nav{gap:3px}}


@media screen {
  :root {
    --canvas:#eff2f4;
    --paper:#fffefd;
    --ink:#182e3b;
    --body:#344651;
    --muted:#677782;
    --pine:#235b69;
    --pine-dark:#162f3d;
    --accent:#997442;
    --line:#dce2e3;
    --soft:#f1f5f5;
    --tip:#eef4f4;
    --header-height:74px;
  }
  body{background:radial-gradient(ellipse at 92% 0%,#e8eef0 0,transparent 600px),var(--canvas);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;line-height:1.98;letter-spacing:.012em;}
  p{margin-bottom:16px;}
  a{color:var(--pine);text-decoration-color:#9eb6bf;text-underline-offset:4px;}
  a:hover{text-decoration-color:var(--pine);}
  button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #b9955e;outline-offset:4px;}
  ::selection{background:#dce9ed;color:#102d3d;}
  .body-text{overflow-wrap:break-word;}
  .topbar{background:rgba(255,254,250,.96);border-bottom-color:#d7dfe1;box-shadow:0 2px 18px rgba(22,47,61,.025);backdrop-filter:blur(16px);}
  .topbar-in{max-width:1680px;padding:12px 36px;gap:24px;}
  .brand{letter-spacing:.035em;font-size:18px;gap:12px;}
  .brand-mark{font-family:inherit;width:36px;height:36px;border-radius:9px;background:linear-gradient(145deg,#203e4e,#142b39);border:1px solid #3d5b67;color:#e4c591;font-weight:500;box-shadow:0 3px 7px rgba(17,40,52,.1);}
  .brand small{font-size:13px;color:#6b7f8a;letter-spacing:.04em;}
  .tool{min-height:42px;padding:7px 14px;border:1px solid #d8e0e2;border-radius:8px;background:rgba(255,255,255,.6);color:#35515e;transition:background .15s,border-color .15s;}
  .tool:hover{background:#eaf0f2;border-color:#b6c8cf;}
  .tool[aria-pressed="true"]{background:#193b4b;color:#fff;border-color:#193b4b;}
  .read-progress{height:3px;}
  .read-progress i{background:linear-gradient(90deg,#a7834d,#d8bc87);}
  .reading-state{color:#6c7e87;font-variant-numeric:tabular-nums;}
  .layout{max-width:1580px;grid-template-columns:280px minmax(0,1fr);gap:34px;padding:32px 36px 80px;}
  .main{max-width:1160px;}
  .sidebar{top:99px;max-height:calc(100vh - 124px);padding:18px 14px 22px;background:rgba(255,255,255,.78);border:1px solid #dce4e7;border-radius:16px;scrollbar-gutter:stable;scrollbar-color:#bdcbd2 transparent;box-shadow:0 4px 18px rgba(22,47,61,.025);}
  .side-title,.nav-group{font-size:12px;letter-spacing:.12em;color:#728794;font-weight:650;}
  .study-nav{padding:0 0 18px;margin-bottom:18px;border-bottom:1px solid #dde5e8;}
  .study-link{padding:11px 13px;min-height:48px;margin:3px 0;font-size:16px;font-weight:500;line-height:1.7;border-radius:9px;color:#425e6e;overflow-wrap:break-word;transition:background .15s,color .15s;}
  .study-link:hover{background:#e7edef;color:#193d4d;}
  .study-link[aria-current="page"]{background:linear-gradient(110deg,#173747,#284b5c);color:#fffdf6;box-shadow:inset 3px 0 #c3a16b,0 3px 10px rgba(23,55,71,.1);font-weight:650;}
  .side-start{font-size:15px;padding:10px 12px;line-height:1.8;color:#345e70;}
  .side-start:hover{background:#e8eff0;}
  .nav-link{font-size:15px;line-height:1.8;padding:9px 11px;min-height:44px;color:#4c6675;border-radius:8px;gap:11px;}
  .nav-link span{color:#7b929f;font-size:12px;}.nav-link b{min-width:0;overflow-wrap:break-word;}
  .nav-link:hover{background:#e9eff0;color:#234e60;}
  .nav-link.active{background:#e2ecef;color:#173e50;border-left-color:#2b6072;}
  .nav-link.active span{color:#4e7a8a;}
  .side-foot{color:#738794;font-size:12px;line-height:1.9;border-top-color:#dde5e8;}
  .hero{padding:42px 46px 34px;border:1px solid #284a5d;border-radius:18px;background:radial-gradient(ellipse at 100% 0%,rgba(109,149,161,.2),transparent 62%),linear-gradient(120deg,#142d3c 0%,#244757 100%);box-shadow:0 14px 38px rgba(18,41,55,.09);color:#d8e2e5;isolation:isolate;}
  .hero:before{height:3px;background:linear-gradient(90deg,#c7a36b,#e1c593 34%,rgba(199,163,107,.15));}
  .hero:after{content:"";position:absolute;z-index:-1;pointer-events:none;width:370px;height:370px;right:-150px;top:-235px;border:1px solid rgba(223,234,235,.12);border-radius:50%;box-shadow:0 0 0 58px rgba(223,234,235,.025),0 0 0 116px rgba(223,234,235,.025);}
  .hero .eyebrow{font-size:11px;letter-spacing:.18em;color:#d0b17d;margin-bottom:20px;font-weight:500;}
  .hero h1{font-family:"Noto Serif CJK SC","Source Han Serif SC","Songti SC","STSong","Noto Sans CJK SC",serif;font-size:46px;font-weight:650;line-height:1.45;letter-spacing:.045em;color:#fffdf6;margin:0 0 11px;text-wrap:balance;}
  .hero-sub{color:#b9cbd2;font-size:19px;line-height:1.85;letter-spacing:.035em;margin-bottom:25px;}
  .hero-motto{border-top:1px solid rgba(224,235,236,.18);padding-top:21px;margin-bottom:25px;font-size:16px;line-height:2;gap:7px 24px;color:#d2dfe4;}
  .hero-motto strong{color:#f7f9f7;font-weight:600;margin-right:3px;}
  .authority{padding:19px 25px 20px;background:rgba(255,255,255,.045);border:1px solid rgba(222,235,236,.14);border-left:3px solid #c3a16b;border-radius:0 9px 9px 0;}
  .authority .eyebrow{font-size:10px;letter-spacing:.14em;color:#c8af84;margin-bottom:5px;}
  .authority h2{font-size:23px;font-weight:600;color:#fffdf7;line-height:1.7;margin-bottom:8px;}
  .authority p{color:#d0dfe5;font-size:15px;line-height:2;max-width:60em;}
  .authority strong{color:#eef4f5;font-weight:600;}
  .pill-row{gap:8px;margin-top:23px;}
  .pill{color:#b9cbd2;border:1px solid rgba(205,223,229,.22);background:rgba(10,31,44,.12);font-size:11px;line-height:1.8;padding:4px 12px;letter-spacing:.03em;}
  .review-start{margin-top:25px;border-radius:13px;padding:28px 38px 16px;border-color:#dce3e4;box-shadow:0 4px 18px rgba(26,49,63,.025);}
  .section-heading h2{font-size:23px;font-weight:650;letter-spacing:.02em;}
  .section-heading p{font-size:12px;color:#85919a;}
  .quick-item{grid-template-columns:32px minmax(0,1fr) 18px;gap:15px;padding:16px 0;border-top-color:#e4e9e9;}
  .quick-item>span{font-size:21px;color:#aa8a58;font-variant-numeric:tabular-nums;}
  .quick-item h3{font-size:16px;font-weight:650;line-height:1.8;}
  .quick-item p{font-size:15px;line-height:1.95;color:#5c7280;}
  .quick-item b{color:#98abb3;align-self:center;}
  .reading-tip,.study-brief{margin:24px 5px;color:#7c8a92;font-size:13px;line-height:1.9;}
  .chapter{margin-top:28px;border-radius:13px;border-color:#dbe3e4;box-shadow:0 3px 18px rgba(26,49,63,.022);}
  .chapter-header{padding:29px 43px 26px;gap:24px;background:linear-gradient(110deg,#edf2f3,#f9faf6);border-bottom-color:#dfe7e9;align-items:center;}
  .chapter-n{font-family:Georgia,"Times New Roman",serif;font-size:44px;line-height:1.25;letter-spacing:-.04em;color:#ae9369;min-width:42px;font-variant-numeric:tabular-nums;}
  .chapter-header h2{color:#193747;font-size:23px;font-weight:650;letter-spacing:.025em;line-height:1.6;margin-bottom:7px;text-wrap:balance;}
  .chapter-header p{font-size:14px;line-height:1.9;color:#788991;}
  .back-toc{font-size:11px;color:#85979f;border:1px solid #d5e0e4;border-radius:5px;padding:3px 9px;}
  .back-toc:hover{background:#fffefa;}
  .chapter-body{padding:0 47px 39px;}
  .clause{padding-top:31px;scroll-margin-top:99px;}
  .clause+.clause{padding-top:31px;margin-top:30px;border-top-color:#e7ebeb;}
  .clause h3{display:block;position:relative;padding-left:47px;font-size:19px;font-weight:650;line-height:1.8;margin-bottom:17px;letter-spacing:.02em;text-wrap:balance;}
  .clause-n{position:absolute;left:0;top:6px;min-width:35px;font:12px/1.85 ui-monospace,Consolas,monospace;font-weight:500;color:#997747;letter-spacing:0;}
  .clause p{line-height:1.98;}
  .clause strong{font-weight:650;color:#203c49;}
  .clause ul,.clause ol{line-height:1.98;margin-top:14px;margin-bottom:18px;}
  .clause li{margin:9px 0;}
  .clause :target{scroll-margin-top:108px;}
  .clause:target h3{background:#edf4f6;outline-color:#edf4f6;border-radius:4px;}
  .chapter:target{border-color:#a3bcc6;}
  .core-clause h3{color:#235a6a;}
  .definition{border-left-color:#b8cbd1;padding-left:17px;}
  .note{padding:18px 21px;border-left:3px solid #9ebbbf;background:#eef5f4;border-radius:0 8px 8px 0;}
  .note h4{color:#366c72;font-size:13px;letter-spacing:.03em;}
  .note p{font-size:15px;line-height:1.95;color:#4c6870;}
  .clause blockquote{background:#f2f5f4;border-left:3px solid #b7a27e;border-radius:0 8px 8px 0;padding:19px 23px;}
  .clause blockquote p{font-size:15px;line-height:2;color:#526b76;}
  .clause pre{background:#eef3f5;border:1px solid #dce6e9;border-radius:8px;padding:16px 19px;}
  .chapter-outline{margin:0 47px;padding:14px 0;border-bottom:1px solid #e1e8e9;}
  .chapter-outline>summary{font-size:14px;font-weight:600;letter-spacing:.025em;color:#446d80;cursor:pointer;}
  .chapter-outline ol{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:5px 24px;padding:13px 0 3px;margin:0;}
  .chapter-outline a{display:block;font-size:14px;text-decoration:none;line-height:1.85;padding:6px 8px;border-radius:6px;color:#4c6c7e;}
  .chapter-outline a:hover{background:#edf3f5;color:#264e60;}
  .chapter-learning-nav{padding:14px 18px;background:#f0f5f5;border:1px solid #dce8e8;border-radius:8px;}
  .table-frame{margin:23px 0;border:1px solid #d3e0e4;border-radius:10px;box-shadow:0 3px 11px rgba(20,53,68,.025);}
  table{font-size:15px;font-variant-numeric:tabular-nums;line-height:1.9;}
  caption{padding:12px 17px;font-size:13px;line-height:1.9;background:#eef3f5;color:#5f7d8b;border-bottom:1px solid #d9e4e8;}
  th,td{padding:15px 17px;border-color:#dfe7e9;line-height:1.9;}
  thead th{background:#e3edf1;color:#234956;font-size:14px;font-weight:650;border-color:#d3e0e6;}
  tbody tr:nth-child(even){background:#f9fbfa;}
  tbody td:first-child{background:#f0f5f5;color:#315661;font-weight:600;}
  tbody tr:nth-child(even) td:first-child{background:#ecf2f3;}
  .exercise{margin:16px 0;border:1px solid #d4e2e6;background:#f3f7f8;border-radius:9px;padding:0 20px;}
  .exercise summary{padding:16px 0;font-size:15px;line-height:1.9;color:#2d596d;font-weight:600;}
  .exercise[open]{background:#edf5f6;border-color:#b9d0d8;}
  .exercise p{font-size:15px;line-height:2;padding-bottom:19px;}
  .case-grid{gap:20px;}
  .case{border-radius:11px;border-color:#dbe3e5;padding:28px;box-shadow:0 3px 13px rgba(23,47,62,.025);}
  .case-n{color:#a0814f;font-size:11px;letter-spacing:.15em;}
  .case h3{font-size:17px;line-height:1.85;margin:12px 0 14px;font-weight:650;}
  .case p{font-size:14px;line-height:2;}
  .case-context{color:#7b8b94;border-bottom-color:#e2e9eb;}
  .case small{color:#8a9aa3;}
  .references{margin-top:28px;padding:0 28px;border-radius:11px;border-color:#d7e2e6;background:#f8faf9;}
  .references>summary{padding:18px 0;font-size:14px;line-height:1.85;color:#405e6c;}
  .reference-note{font-size:13px;line-height:1.95;color:#7d8d96;}
  .references li{font-size:13px;line-height:1.9;margin:15px 0;color:#456473;}
  .references li p{font-size:12px;line-height:1.95;color:#829099;}
  .references li:target{background:#e9f1f4;}
  .cite{color:#648b9d;}
  .closing{padding:34px 42px;background:linear-gradient(120deg,#183747,#244957);border:1px solid #294e5b;border-radius:13px;box-shadow:0 5px 22px rgba(20,43,56,.06);}
  .closing h2{font-size:25px;font-weight:500;color:#f5f4ec;line-height:1.75;letter-spacing:.04em;}
  .closing p{color:#b7cdd5;font-size:14px;line-height:2;}
  .footer{font-size:11px;color:#89969d;border-top-color:#d7e1e4;padding-top:18px;margin-top:25px;letter-spacing:.03em;}
  .footer a{color:#647d8c;}
  .search-panel{border-color:#b9cfd7;border-radius:12px;padding:24px 28px;background:#fcfefd;box-shadow:0 5px 21px rgba(21,54,69,.05);}
  .search-row input{border-color:#bdcfd5;border-radius:7px;background:#fff;}
  .search-result{background:#f0f6f7;border-color:#d8e6e9;border-radius:7px;padding:12px 15px;}
  .search-result strong{color:#31586b;}
  .search-result span{color:#7a8f9a;}
  html.large-type .clause h3{font-size:22px;}
  html.large-type .clause-n{font-size:13px;}
  html.large-type .chapter-outline a,html.large-type .chapter-outline>summary{font-size:16px;}
}
@media screen and (min-width:1600px){.layout{gap:40px;}}
@media screen and (max-width:1200px){
  .layout{grid-template-columns:252px minmax(0,1fr);gap:26px;padding:28px 26px 60px;}
  .topbar-in{padding:11px 26px;gap:18px;}
  .hero{padding:38px 36px 31px;}
  .hero h1{font-size:38px;}
  .chapter-header{padding:25px 31px;gap:18px;}
  .chapter-body{padding:0 34px 33px;}
  .chapter-outline{margin:0 34px;}
  .chapter-header h2{font-size:22px;}
  .review-start{padding:25px 30px 14px;}
  th,td{padding:13px 14px;}
}
@media screen and (max-width:850px){
  :root{--header-height:65px;}
  .layout{display:block;padding:24px 22px 56px;}
  .topbar-in{padding:11px 22px;gap:12px;}
  .sidebar{position:static;max-height:none;background:#fffefd;border-color:#d8e3e7;padding:20px;border-radius:12px;}.sidebar nav,.study-nav{grid-template-columns:1fr;}
  html.js .sidebar.is-open{top:77px;left:22px;right:22px;max-height:calc(100vh - 100px);box-shadow:0 20px 65px rgba(16,42,57,.23);border:1px solid #bdcdd4;}
  .hero{padding:37px 35px 30px;border-radius:15px;}
  .hero h1{font-size:36px;}
  .hero-sub{font-size:18px;}
  .chapter-header{padding:26px 30px;}
  .chapter-n{font-size:39px;min-width:38px;}
  .chapter-body{padding:0 32px 31px;}
  .chapter-outline{margin:0 32px;}
  .case-grid{grid-template-columns:1fr 1fr;}
  .case{padding:23px;}
}
@media screen and (max-width:680px){
  .topbar-in{padding:10px 16px;gap:8px;}
  .brand{font-size:14px;gap:9px;}
  .brand-mark{width:31px;height:31px;border-radius:8px;font-size:17px;}
  .toolset{gap:5px;}
  .tool{font-size:12px;padding:6px 10px;min-height:40px;}
  .layout{padding:20px 15px 40px;}
  .hero{padding:30px 24px 25px;border-radius:13px;}
  .hero h1{font-size:30px;line-height:1.6;letter-spacing:.035em;}
  .hero .eyebrow{font-size:10px;letter-spacing:.13em;margin-bottom:16px;}
  .hero-sub{font-size:16px;line-height:1.9;letter-spacing:.02em;margin-bottom:22px;}
  .hero-motto{grid-template-columns:1fr;font-size:14px;line-height:2;padding-top:18px;margin-bottom:22px;gap:4px;}
  .authority{padding:17px 18px 18px;}
  .authority .eyebrow{font-size:9px;margin-bottom:5px;}
  .authority h2{font-size:20px;line-height:1.7;}
  .authority p{font-size:13px;line-height:1.95;}
  .pill-row{margin-top:20px;gap:7px;}
  .pill{font-size:10px;line-height:1.8;padding:3px 10px;}
  .review-start{padding:24px 23px 12px;margin-top:20px;border-radius:11px;}
  .section-heading{gap:8px;}
  .section-heading h2{font-size:20px;}
  .quick-item{grid-template-columns:25px minmax(0,1fr) 12px;gap:10px;padding:15px 0;}
  .quick-item>span{font-size:19px;}
  .quick-item h3{font-size:15px;}
  .quick-item p{font-size:13px;line-height:1.95;}
  .reading-tip,.study-brief{font-size:12px;margin:20px 4px;}
  .chapter{margin-top:21px;border-radius:11px;}
  .chapter-header{padding:22px 23px;gap:15px;align-items:flex-start;}
  .chapter-n{font-size:32px;min-width:31px;line-height:1.45;}
  .chapter-header h2{font-size:20px;line-height:1.7;letter-spacing:.01em;margin-bottom:7px;}
  .chapter-header p{font-size:13px;line-height:1.9;}
  .chapter-body{padding:0 24px 28px;}
  .clause{padding-top:26px;scroll-margin-top:84px;}
  .clause+.clause{margin-top:25px;padding-top:27px;}
  .clause h3{font-size:18px;line-height:1.8;padding-left:42px;margin-bottom:16px;letter-spacing:.01em;}
  .clause-n{top:6px;font-size:11px;min-width:31px;}
  .clause p{line-height:1.98;margin-bottom:14px;}
  .clause p:last-child{margin-bottom:0;}
  .chapter-outline{margin:0 24px;padding:13px 0;}
  .chapter-outline>summary{font-size:13px;}
  .chapter-outline ol{grid-template-columns:1fr;gap:3px;padding-top:12px;}
  .chapter-outline a{font-size:13px;padding:6px;}
  .chapter-learning-nav{padding:13px 15px;}
  .note{padding:16px 17px;}
  .note p{font-size:14px;}
  .clause blockquote{padding:16px 18px;}
  .clause blockquote p{font-size:14px;}
  .table-frame{border:0;border-radius:0;overflow:visible;box-shadow:none;margin:20px 0;}
  table{font-size:14px;}
  tbody tr{border:1px solid #d4e0e4;border-radius:9px;margin:14px 0;background:#fffefa;box-shadow:0 2px 9px rgba(21,50,65,.02);}
  tbody tr:nth-child(even){background:#fffefa;}
  td{padding:12px 14px;grid-template-columns:76px minmax(0,1fr);gap:13px;border:0;border-bottom:1px solid #e5ecee;line-height:1.95;}
  td:before{font-size:11px;line-height:2;color:#7c929d;font-weight:550;}
  tbody td:first-child,tbody tr:nth-child(even) td:first-child{background:#eaf2f5;color:#2d5668;}
  caption{background:none;border:0;padding:7px 0;font-size:12px;line-height:1.9;color:#6d8895;}
  .exercise{padding:0 17px;border-radius:8px;}
  .exercise summary{font-size:14px;line-height:1.95;padding:15px 0;}
  .exercise p{font-size:14px;line-height:2;}
  .case-grid{grid-template-columns:1fr;gap:15px;}
  .case{padding:24px;}
  .references{padding:0 21px;border-radius:10px;margin-top:23px;}
  .references>summary{font-size:13px;padding:17px 0;}
  .references li{font-size:12px;}
  .references li p{font-size:12px;}
  .closing{padding:29px 27px;border-radius:11px;}
  .closing h2{font-size:22px;line-height:1.8;}
  .closing p{font-size:13px;}
  .footer{font-size:10px;gap:10px;line-height:1.9;}
  .search-panel{padding:20px;border-radius:10px;}
  html.js .sidebar.is-open{top:76px;left:15px;right:15px;}
  .study-nav{gap:5px;}
  .study-link,.nav-link{min-height:48px;font-size:16px;}.side-start{font-size:15px;}
  html.large-type .clause h3{font-size:21px;}
  html.large-type .clause-n{font-size:12px;}
}
@media screen and (max-width:360px){
  .topbar-in{padding:9px 11px;}
  .brand{font-size:13px;gap:6px;}
  .brand-mark{width:28px;height:29px;}
  .tool{padding:6px 8px;font-size:11px;}
  .layout{padding:16px 11px 34px;}
  .hero{padding:25px 21px 22px;}
  .hero h1{font-size:27px;}
  .chapter-header{padding:20px;gap:12px;}
  .chapter-body{padding:0 21px 26px;}
  .chapter-outline{margin:0 21px;}
  td{grid-template-columns:66px minmax(0,1fr);padding:11px 12px;gap:10px;}
}
@media print {
  .chapter-outline{display:none!important;}
  .hero:after{display:none!important;}
  .clause-n{position:static;}
}


/* Knowledge-library reading refinement, 2026-11-01. Original content is retained. */
@media screen and (min-width:851px){.layout{max-width:1780px;grid-template-columns:360px minmax(0,1fr);gap:28px;padding-left:20px;padding-right:20px}.main{max-width:1320px}.sidebar{padding:20px 17px 24px}.chapter-header h2{font-size:25px;line-height:1.65}.clause h3{font-size:20px;line-height:1.75}}
@media screen and (min-width:851px) and (max-width:1200px){.layout{grid-template-columns:290px minmax(0,1fr);gap:25px;padding-left:26px;padding-right:26px}.chapter-header h2{font-size:23px}}
.study-nav .nav-group{margin-top:16px;margin-bottom:5px;padding:0 12px;color:#657b85;letter-spacing:.08em;font-size:12px;font-weight:650}.study-link{margin:2px 0;padding:10px 12px;min-height:46px}.side-title{margin-top:4px}.study-brief{color:#546b78}.reading-orientation{margin:19px 0;padding:14px 20px;border:1px solid #dce5e8;border-radius:11px;background:#f8fbfb;color:#3d5b68}.reading-orientation summary{font-weight:650;cursor:pointer;line-height:1.8}.reading-orientation p{font-size:14px;line-height:1.95;margin:10px 0 0}.chapter-outline{margin:0 30px 18px;padding:12px 16px;border:1px solid #e0e8ea;border-radius:9px;background:#f6f9f9}.chapter-outline summary{cursor:pointer;font-size:14px;font-weight:600;color:#3a5e6b}.chapter-outline ol{margin:10px 0 0;padding-left:1.45em}.chapter-outline li{padding:3px 0;font-size:14px;line-height:1.8}.chapter-outline a{color:#3d6170;text-decoration:none}.chapter-outline a:hover{text-decoration:underline}.reading-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;margin:25px 0 10px;padding:17px 20px;border:1px solid #dce5e8;border-radius:10px;background:#f8fbfb}.reading-links a{font-size:14px;line-height:1.85;color:#385e6f;overflow-wrap:anywhere}.reading-links span{display:block;font-size:11px;color:#6f8089;letter-spacing:.08em}.reading-links a:hover{color:#173e50}
@media screen and (max-width:850px){.reading-orientation{padding:13px 17px}.reading-links{padding:15px 17px}.chapter-outline{margin:0 23px 18px}}
@media screen and (max-width:560px){.reading-links{display:block}.reading-links a{display:block;margin:7px 0}.chapter-outline{margin:0 18px 16px;padding:11px 13px}.reading-orientation p{font-size:13px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.reading-orientation,.reading-links,.chapter-outline{display:none!important}}