:root{--bg:#f4f0e8;--paper:#faf7f1;--ink:#181816;--muted:#6c675e;--line:#d8d0c3;--red:#b63627;--soft:#ebe4d8;--shadow:0 10px 30px rgba(32,27,20,.06)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.65}.wrap{width:min(1180px,calc(100% - 48px));margin:auto}.topbar{height:72px;padding:0 max(24px,calc((100% - 1180px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(244,240,232,.94);position:sticky;top:0;z-index:10;backdrop-filter:blur(12px)}.brand{font-weight:750;color:var(--ink);text-decoration:none;font-size:18px}.topbar nav{display:flex;gap:28px}.topbar nav a{color:var(--muted);text-decoration:none;font-size:15px}.hero{padding:112px 0 70px}.eyebrow,.kicker{font-size:13px;letter-spacing:.18em;font-weight:800;color:var(--red);text-transform:uppercase}.hero h1{font-family:Georgia,"Songti SC","STSong",serif;font-size:clamp(52px,7vw,88px);line-height:1.02;letter-spacing:-.05em;margin:26px 0 30px;max-width:980px;font-weight:500}.hero h1 em{font-style:normal;color:var(--red)}.lede{font-size:21px;line-height:1.8;max-width:980px;margin:0;color:#3f3b35;font-weight:520}.hero-actions{display:flex;gap:14px;margin:40px 0 64px}.btn{display:inline-flex;border:1px solid var(--ink);border-radius:999px;padding:13px 24px;color:var(--ink);text-decoration:none;font-weight:700;background:transparent}.btn.dark{background:var(--ink);color:white}.stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.stat{padding:28px 24px;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat strong{font-family:Georgia,serif;font-size:46px;display:block;line-height:1}.stat span{display:block;color:var(--muted);margin-top:8px;font-size:14px}.boundary{display:flex;gap:20px;padding:22px 24px;border:1px solid var(--line);background:var(--paper);border-radius:8px}.boundary strong{white-space:nowrap}.boundary span{color:#4f4a43}.section{padding:100px 0}.section-head{max-width:820px;margin-bottom:42px}.section-head h2{font-family:Georgia,"Songti SC","STSong",serif;font-weight:520;font-size:42px;line-height:1.2;margin:10px 0 16px}.section-head p{color:var(--muted);font-size:17px}.featured-grid{display:grid;grid-template-columns:1fr;gap:18px}.featured-card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:26px 28px;box-shadow:var(--shadow)}.featured-card h3{font-size:22px;margin:0 0 18px}.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}.quote-box{border:1px solid var(--line);background:#fffdf8;border-radius:8px;padding:18px}.quote-box label{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--muted);display:block;margin-bottom:8px}.quote-box .source-name{font-size:13px;color:var(--red);font-weight:700;margin-bottom:10px}.quote-box blockquote{margin:0;font-family:Georgia,"Songti SC","STSong",serif;font-size:17px;line-height:1.75}.change{margin:17px 0 0;padding-top:16px;border-top:1px solid var(--line);color:#37332e}.change strong{color:var(--red)}.library-section{background:#eae3d7;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.toolbar{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:14px}#search{flex:1;min-width:280px;padding:14px 17px;border:1px solid #bfb6a7;border-radius:8px;background:#fffdf8;font-size:16px;color:var(--ink)}.tagfilters{display:flex;gap:8px;flex-wrap:wrap}.filter{border:1px solid #bfb6a7;background:transparent;border-radius:999px;padding:8px 13px;cursor:pointer;color:#4b463f}.filter.active{background:var(--ink);color:#fff;border-color:var(--ink)}.result-count{font-size:13px;color:var(--muted);margin:18px 0}.records{display:grid;gap:10px}.record{border:1px solid #c8beaf;background:var(--paper);border-radius:8px;overflow:hidden}.record summary{list-style:none;cursor:pointer;padding:20px 22px;display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center}.record summary::-webkit-details-marker{display:none}.record-title{font-size:18px;font-weight:760}.record-source{font-size:14px;color:var(--muted);margin-top:5px;max-width:900px}.tags{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.tag{font-size:11px;padding:4px 8px;border:1px solid #cbbfb0;border-radius:999px;color:#625b52;background:#fffaf2}.record-body{padding:0 22px 22px;border-top:1px solid var(--line)}.record-body h4{font-size:12px;letter-spacing:.12em;color:var(--red);margin:20px 0 7px}.chain{font-size:15px;line-height:1.75}.fingerprints{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.fingerprint{background:#eee6da;border-radius:5px;padding:7px 10px;font-size:13px}.source-links{margin-top:14px}.source-links a{color:#7f2d22;margin-right:14px;font-size:13px}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.method article{border-top:3px solid var(--ink);padding-top:16px}.method h3{font-size:20px;margin:0 0 10px}.method p{color:#4d4841}.note{margin-top:40px;padding:18px 20px;border-left:3px solid var(--red);background:var(--paper);color:#4f4942}footer{padding:34px 0;color:var(--muted);font-size:13px}
@media(max-width:760px){.wrap{width:min(100% - 28px,1180px)}.topbar{height:62px}.topbar nav{gap:14px}.topbar nav a:nth-child(3){display:none}.hero{padding:70px 0 48px}.hero h1{font-size:46px}.lede{font-size:18px}.stats{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid var(--line)}.stat:last-child{border-bottom:0}.boundary{display:block}.boundary strong{display:block;margin-bottom:6px}.section{padding:70px 0}.section-head h2{font-size:34px}.compare{grid-template-columns:1fr}.method-grid{grid-template-columns:1fr}.record summary{grid-template-columns:1fr}.tags{justify-content:flex-start}.featured-card{padding:20px}}

.lede strong{font-weight:780;color:var(--ink)}

.source-name a{color:var(--red);text-decoration:none;border-bottom:1px solid rgba(182,54,39,.25)}
.project-card{display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;text-decoration:none;color:var(--ink);border:1px solid var(--line);border-radius:12px;background:var(--paper);padding:30px 32px;box-shadow:var(--shadow);transition:.18s ease}.project-card:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(32,27,20,.09)}.project-card h3{font-family:Georgia,"Songti SC","STSong",serif;font-size:30px;font-weight:520;margin:8px 0 6px}.project-card p{color:var(--muted);margin:0}.project-badge{display:inline-block;background:var(--red);color:#fff;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:750;letter-spacing:.06em}.project-arrow{font-family:Georgia,serif;font-size:48px;color:var(--red)}
.project-hero{padding:90px 0 50px}.project-hero h1{font-family:Georgia,"Songti SC","STSong",serif;font-size:clamp(48px,6.5vw,82px);line-height:1.02;letter-spacing:-.04em;margin:24px 0 26px;font-weight:500}.project-hero h1 em{font-style:normal;color:var(--red)}.project-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}.project-callout{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:44px 0}.project-callout h2{font-family:Georgia,"Songti SC","STSong",serif;font-size:34px;font-weight:520;line-height:1.25;margin:8px 0 22px;max-width:940px}.project-callout p{font-size:16px;color:#454038;max-width:980px}.hard-chain{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:22px 0}.hard-chain span{background:var(--paper);border:1px solid var(--line);border-radius:7px;padding:9px 12px;font-size:14px}.hard-chain b{color:var(--red)}.project-chain{background:var(--paper);border-left:3px solid var(--red);padding:12px 15px;color:#4b463f!important;max-width:1080px!important}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--paper)}.compare-table{width:100%;border-collapse:collapse;min-width:1050px}.compare-table th{font-size:12px;letter-spacing:.1em;text-align:left;color:var(--muted);background:#eee7dc;padding:13px 16px;border-bottom:1px solid var(--line)}.compare-table th:first-child{width:130px}.compare-table td{vertical-align:top;padding:18px 16px;border-bottom:1px solid var(--line);font-size:15px;line-height:1.75}.compare-table tr:last-child td{border-bottom:0}.compare-table .time{white-space:nowrap;font-weight:750;color:var(--red);font-size:13px}.compare-table .sourcecell{width:44%;font-family:Georgia,"Songti SC","STSong",serif;background:#fffdf8}.compare-table .targetcell{width:44%;background:#faf7f1}.compare-table strong{font-weight:800;color:#111}.compare-table b{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;font-size:11px;color:var(--red);letter-spacing:.04em}.verification{border:1px solid var(--line);border-radius:8px;background:var(--paper);padding:20px 22px}.verification p{margin:6px 0 0;color:#4e4942}.project-section{padding-top:75px}
@media(max-width:760px){.topbar nav a:nth-child(4){display:none}.project-card{padding:22px}.project-card h3{font-size:25px}.project-arrow{font-size:34px}.project-hero{padding:65px 0 36px}.project-hero h1{font-size:45px}.project-callout h2{font-size:29px}.compare-table{min-width:900px}}