:root{--purple:#6c63ff;--yellow:#ffe666;--ink:#222;--inksoft:#555;--line:#e6e6e6;--bg:#fffdf7;}
*{box-sizing:border-box} html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Arial, sans-serif;line-height:1.5;}
.page{max-width:960px;margin:24px auto;padding:0 16px;text-align:center;}
.site-nav{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;border-bottom:3px solid var(--yellow);padding:10px 0;margin-bottom:16px;}
.site-nav a{padding:8px 12px;border:2px solid var(--purple);color:var(--purple);text-decoration:none;border-radius:8px;font-weight:bold;font-size:14px;}
.site-nav a:hover{background:var(--purple);color:#fff;}
h1{color:var(--purple);margin:8px 0 4px;font-size:26px;} h2{margin:18px 0 10px;font-size:20px;}
.section{padding:8px 0 16px;border-top:1px solid var(--line);margin-top:16px;}
.small,.note{font-size:12px;color:var(--inksoft);}
figure{margin:12px auto;max-width:900px;} img{max-width:100%;height:auto;border:2px solid var(--line);border-radius:6px;background:#fff;}
figcaption{font-size:14px;margin-top:6px;color:var(--purple);font-weight:bold;}
.table-wrap{overflow:auto;margin:10px auto;border:1px solid var(--line);border-radius:6px;}
table{width:100%;border-collapse:collapse;background:#fff;font-size:12px;text-align:left;}
th,td{border:1px solid var(--line);padding:6px;vertical-align:top;} thead th{background:var(--yellow);}
.text-left{text-align:left;margin:0 auto;max-width:820px;}
.btn{display:inline-block;border:2px solid var(--purple);padding:6px 10px;border-radius:8px;text-decoration:none;color:var(--purple);font-weight:bold;}
.btn:hover{background:var(--purple);color:#fff;}