:root{--paper: #f4efe3;--paper-2: #ece4d3;--paper-3: #e4dac4;--ink: #221c17;--ink-soft: #5a5048;--ink-faint: #8a7f72;--vermillion: #a8322d;--vermillion-soft: #c0453f;--gold: #b08d57;--gold-soft: #c9a874;--line: #d8cdb8;--line-soft: #e4dbc9;--max: 960px;--shadow-xs: 0 1px 2px rgba(34, 28, 23, .04);--shadow-sm: 0 1px 2px rgba(34, 28, 23, .05), 0 2px 8px rgba(34, 28, 23, .05);--shadow-md: 0 2px 6px rgba(34, 28, 23, .06), 0 10px 24px -8px rgba(34, 28, 23, .1);--ease: cubic-bezier(.22, .8, .36, 1)}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,system-ui,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}h1,h2,h3,h4{font-family:"Noto Serif SC",Songti SC,STSong,Georgia,serif;font-weight:700;line-height:1.3;color:var(--ink);letter-spacing:.01em}a{color:var(--vermillion);text-decoration:none;transition:color .18s var(--ease)}a:hover{text-decoration:underline}.container{max-width:var(--max);margin:0 auto;padding:0 24px}.site-header{border-bottom:1px solid var(--line-soft);background:#f4efe3d1;-webkit-backdrop-filter:saturate(160%) blur(10px);backdrop-filter:saturate(160%) blur(10px);position:sticky;top:0;z-index:10}.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-family:"Noto Serif SC",serif;font-weight:700;font-size:20px;color:var(--ink);letter-spacing:3px;position:relative}.brand:after{content:"";position:absolute;left:0;bottom:-3px;width:100%;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--vermillion),transparent);transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease)}.brand:hover{text-decoration:none}.brand:hover:after{transform:scaleX(1)}.nav{display:flex;align-items:center}.nav a{margin-left:26px;color:var(--ink-soft);font-size:15px;position:relative;padding:4px 0;transition:color .18s var(--ease)}.nav a:after{content:"";position:absolute;left:0;bottom:-1px;width:100%;height:1.5px;border-radius:2px;background:var(--vermillion);transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease)}.nav a:hover{color:var(--vermillion);text-decoration:none}.nav a:hover:after{transform:scaleX(1)}.hero{padding:104px 0 80px;text-align:center;background:radial-gradient(720px 340px at 50% -4%,rgba(176,141,87,.2),transparent 72%),radial-gradient(520px 260px at 80% 20%,rgba(168,50,45,.06),transparent 70%),linear-gradient(180deg,var(--paper),#f7f2e7 60%,var(--paper));position:relative;overflow:hidden}.hero .kicker{letter-spacing:7px;color:var(--gold);font-size:13px;text-transform:uppercase;display:inline-flex;align-items:center;gap:14px}.hero .kicker:before,.hero .kicker:after{content:"";width:34px;height:1px;background:linear-gradient(90deg,transparent,var(--gold-soft))}.hero .kicker:after{background:linear-gradient(90deg,var(--gold-soft),transparent)}.hero h1{font-size:56px;margin:16px 0 12px;letter-spacing:2px}.hero h1 .accent{color:var(--vermillion)}.hero p.lead{font-size:19px;color:var(--ink-soft);max-width:620px;margin:0 auto;line-height:1.8}.hero .actions{margin-top:36px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.btn{display:inline-block;padding:12px 26px;border-radius:999px;font-weight:600;font-size:15px;letter-spacing:.02em;cursor:pointer;transition:transform .18s var(--ease),box-shadow .2s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease)}.btn-primary{background:linear-gradient(180deg,var(--vermillion-soft),var(--vermillion));color:#fff;box-shadow:0 2px 6px #a8322d2e,0 8px 18px -6px #a8322d47}.btn-primary:hover{background:linear-gradient(180deg,#c9453f,#8f2a25);transform:translateY(-1px);box-shadow:0 4px 10px #a8322d38,0 12px 24px -6px #a8322d4d;text-decoration:none}.btn-primary:active{transform:translateY(0)}.btn-ghost{border:1px solid var(--line);color:var(--ink);background:#fff9}.btn-ghost:hover{border-color:var(--vermillion);color:var(--vermillion);transform:translateY(-1px);box-shadow:var(--shadow-xs);text-decoration:none}.btn:focus-visible{outline:2px solid var(--gold);outline-offset:2px}.features{padding:56px 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}.card{background:#fff;border:1px solid var(--line-soft);border-radius:16px;padding:30px 28px;box-shadow:var(--shadow-xs);transition:transform .22s var(--ease),box-shadow .26s var(--ease),border-color .22s var(--ease);position:relative;overflow:hidden}.card:before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--vermillion),var(--gold));opacity:0;transition:opacity .24s var(--ease)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line)}.card:hover:before{opacity:1}.card h3{margin:0 0 10px;font-size:19px}.card p{margin:0;color:var(--ink-soft);font-size:15px;line-height:1.75}.card .card-icon{width:42px;height:42px;margin-bottom:18px;color:var(--vermillion);opacity:.9}.section{padding:64px 0;border-top:1px solid var(--line-soft)}.section h2{font-size:34px;margin:0 0 10px}.section .muted{color:var(--ink-soft);font-size:17px;max-width:720px;line-height:1.8}.section h3{font-size:21px;margin:36px 0 12px}pre{background:#262019;color:var(--paper);padding:20px 22px;border-radius:14px;overflow-x:auto;font-size:14px;line-height:1.7;border:1px solid #372f26;box-shadow:var(--shadow-sm)}code{font-family:JetBrains Mono,SFMono-Regular,Consolas,monospace}p code,li code,td code{background:var(--paper-2);padding:2px 7px;border-radius:6px;font-size:.92em;border:1px solid transparent;transition:background-color .18s var(--ease)}.table-wrap{overflow-x:auto;border:1px solid var(--line-soft);border-radius:14px;background:#ffffff80;box-shadow:var(--shadow-xs)}table{width:100%;border-collapse:collapse;margin:0;font-size:14px}th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line-soft);vertical-align:top}tbody tr:last-child td{border-bottom:none}th{color:var(--ink-soft);font-weight:600;background:var(--paper-2);font-size:13px;letter-spacing:.02em}tbody tr{transition:background-color .16s var(--ease)}tbody tr:hover{background:var(--paper-2)}.site-footer{border-top:1px solid var(--line-soft);padding:36px 0;color:var(--ink-soft);font-size:14px;text-align:center;background:linear-gradient(180deg,transparent,rgba(176,141,87,.05))}.site-footer .footer-mark{color:var(--gold)}.callout{background:#fff;border:1px solid var(--line-soft);border-left:4px solid var(--gold);border-radius:12px;padding:18px 20px;margin:24px 0;color:var(--ink-soft);font-size:15px;line-height:1.7;box-shadow:var(--shadow-xs)}@media(max-width:720px){.hero{padding:72px 0 56px}.hero h1{font-size:38px}.hero p.lead{font-size:17px}.section{padding:48px 0}.section h2{font-size:28px}.nav a{margin-left:18px;font-size:14px}.brand{letter-spacing:2px}}