:root{--ink:#24312d;--muted:#5e6a63;--paper:#fbfaf6;--green:#245b49;--line:#dce2d9;--accent:#ab6733}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:75px}body.reader{margin:0;background:var(--paper);color:var(--ink);font:17px/1.85 "Microsoft YaHei","PingFang SC",system-ui,sans-serif}body.reader main{max-width:1100px;margin:auto;padding:40px 28px 72px}a{color:var(--green);text-underline-offset:3px}.reader h1{font-size:clamp(30px,5vw,50px);line-height:1.3;letter-spacing:-.035em}.reader h2{font-size:27px;line-height:1.5;margin-top:38px}.reader h3{font-size:21px;line-height:1.6}.reader p{margin:14px 0}.eyebrow{font-size:13px;letter-spacing:.14em;color:var(--accent);font-weight:700}.lede{font-size:20px;max-width:820px;color:var(--muted)}.source-note,.muted{color:var(--muted);font-size:14px}.reader-nav{background:#fbfaf6f2;border-bottom:1px solid var(--line);padding:10px 24px;display:flex;gap:20px;flex-wrap:wrap;align-items:center;position:sticky;top:0;z-index:50;font-size:14px;line-height:1.7;backdrop-filter:blur(10px)}.reader-nav a{text-decoration:none}.reader-nav .brand{font-weight:bold;margin-right:auto}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.chapter-card{border:1px solid var(--line);border-radius:12px;background:#fff;padding:23px;text-decoration:none;display:block;transition:border-color .2s,transform .2s}.chapter-card:hover{border-color:var(--green);transform:translateY(-2px)}.chapter-card h3{margin:8px 0;color:var(--ink)}.chapter-card p{margin:8px 0;color:var(--muted);font-size:15px}.chapter-number{font-size:13px;color:var(--accent);font-weight:700}.pathway{background:#eef3ed;border-radius:14px;padding:24px;margin:28px 0;border:1px solid var(--line)}.resource-links{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.resource-links a{border:1px solid var(--line);border-radius:8px;padding:7px 14px;text-decoration:none;background:white}.translation{border-left:4px solid #49775c;background:#f1f6f0;border-radius:0 9px 9px 0;padding:16px 20px;margin:14px 0 24px;line-height:1.85;font-size:15px;color:#263d2d}.translation h4,.translation strong:first-child{color:#245b49}.translation ul{margin:8px 0;padding-left:24px}.translation p{margin:8px 0}.reader .slide-page,.slide-page{scroll-margin-top:90px;border:1px solid var(--line);background:white;border-radius:12px;padding:24px;margin:24px 0;content-visibility:auto;contain-intrinsic-size:auto 650px}.slide-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:24px;align-items:start}.slide-original img{display:block;width:100%;height:auto;border:1px solid #e3e7df;border-radius:6px}.slide-original a{display:block}.slide-explanation{border-top:1px solid var(--line);padding-top:10px;font-size:15px}.slide-pages-nav{display:flex;gap:5px;flex-wrap:wrap}.slide-pages-nav a{padding:2px 9px;border:1px solid var(--line);border-radius:5px;text-decoration:none;font-size:13px}.reader table{border-collapse:collapse;width:100%;font-size:15px;margin:16px 0}.reader th,.reader td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}.reader th{background:#eff3ed}.table-wrap{overflow-x:auto}.reader pre{overflow:auto;background:#26312b;color:#edf3e9;border-radius:9px;padding:20px;line-height:1.7;font-size:14px}.reader code{font-family:Consolas,monospace;font-size:.92em}.reader img{max-width:100%;height:auto}.recent{border:1px solid #d6e1d7;background:#f1f6ef;padding:20px;border-radius:10px;margin:28px 0}.recent h3{margin-top:0}.technical-term{font-weight:bold}.reader details{margin:18px 0;border:1px solid var(--line);border-radius:8px;padding:14px 18px}.reader summary{cursor:pointer;font-weight:bold}.reader-footer{border-top:1px solid var(--line);margin-top:50px;padding-top:20px;font-size:14px;color:var(--muted)}.reading-search{display:flex;gap:10px;align-items:center;margin:20px 0}.reading-search input{min-width:0;flex:1;font:inherit;padding:8px 12px;border:1px solid var(--line);border-radius:7px}.chapter-toolbar{padding:12px 18px;border:1px solid var(--line);background:#f2f5ef;border-radius:9px;margin:20px 0;font-size:14px;display:flex;gap:18px;flex-wrap:wrap}.chapter-toolbar a{text-decoration:none}.reader figure{margin:22px 0}.reader figcaption{font-size:14px;color:var(--muted)}.reader .badge{font-size:12px;padding:3px 8px;background:#edf3ed;color:#32633f;border-radius:5px}.reader .snapshot{border-left:3px solid var(--accent);padding-left:16px;font-size:15px}.reader section[id]{scroll-margin-top:85px}
@media(max-width:760px){body.reader main{padding:25px 18px 50px}.cards,.slide-grid{grid-template-columns:1fr}.reader-nav{padding:9px 16px;gap:12px}.reader-nav .brand{width:100%}.slide-page{padding:18px}.reader h2{font-size:23px}.reader table{min-width:500px}.translation{padding:13px 16px}.lede{font-size:18px}}
.hero .chapter-toolbar{max-width:880px;margin:24px auto 0;text-align:left;background:#ffffff12;border-color:#ffffff44}.hero .chapter-toolbar a{color:#eef4ff}body:not(.reader)>.recent{max-width:880px;margin:28px auto}
@media(max-width:960px){body:not(.reader)>.recent{margin:24px 16px}.hero .chapter-toolbar{padding:12px 14px}}
@media print{.reader-nav,.reading-search{display:none}.reader main{max-width:none}.slide-page{break-inside:avoid;content-visibility:visible}.cards{display:block}.chapter-card{margin:8px 0}}

.slide-grid{grid-template-columns:minmax(0,1fr);gap:0}.slide-grid .slide-original{margin:0 0 12px}.slide-translation{display:block;width:100%;max-width:none;border:1px solid #e2e2de;border-left:1px solid #e2e2de;border-radius:10px;background:#fff;color:#202624;padding:0;margin:14px 0 24px;overflow:hidden;text-align:left;font-size:17px;line-height:1.85}.translation-heading{background:#970b08;color:white;padding:18px 30px;font-size:26px;line-height:1.4;font-weight:600;text-align:left}.translation-body{padding:24px 30px;text-align:left;overflow-wrap:anywhere}.translation-body p,.reader .translation-body p{margin:10px 0;text-align:left}.translation-body ul,.translation-body ol{margin:10px 0;padding-left:1.8em;text-align:left}.translation-body li{margin:6px 0}.translation-body h3,.translation-body h4{margin:14px 0 8px;text-align:left;color:#202624}.translation-body .columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.translation-body table{border-collapse:collapse;width:100%;font-size:15px;min-width:0}.translation-body td,.translation-body th{border:1px solid #ddd;padding:10px;text-align:left;vertical-align:top}.translation-body .slide-credit{font-size:13px;color:#606662;border-top:1px solid #eee;padding-top:10px}.translation-body mjx-container[display="true"]{max-width:100%;overflow-x:auto;overflow-y:hidden;padding:5px 0}.translation-body .diagram-labels{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px}.translation-body a{overflow-wrap:anywhere}.translation-body .formula{overflow-x:auto}.slide-translation strong{color:inherit!important}.slide-translation .table-wrap{width:100%;overflow-x:auto}.reader .slide-page{contain-intrinsic-size:auto 1000px}
@media(max-width:760px){.translation-heading{padding:14px 18px;font-size:22px}.translation-body{padding:18px;font-size:16px}.translation-body .columns{grid-template-columns:1fr}.translation-body table{min-width:480px}.translation-body .diagram-labels{grid-template-columns:1fr}.slide-page{padding:12px}}

.translation-body{font-size:19px;line-height:1.8}.translation-body table{font-size:16px}.translation-body mjx-container{max-width:100%}.translation-body mjx-container:not([display="true"]){display:inline-block;vertical-align:middle;overflow-x:auto;overflow-y:hidden}
@media(max-width:760px){.translation-body{font-size:16px}}

.translation-body .columns{grid-template-columns:repeat(var(--translation-columns,2),minmax(0,1fr))}
@media(max-width:760px){.translation-body .columns{grid-template-columns:1fr}}

.gallery>figure,figure:has(.slide-translation),.slide-original,.slide-translation,.translation-body,.translation-body .columns>div{min-width:0}