:root{
  --bg:#f5f3ee;--paper:#fffdf9;--ink:#1e252b;--muted:#6f767c;--line:#e3ddd3;--brand:#7a2f22;--brand2:#b88746;--dark:#1d252c;--ok:#2f7d5b;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%}.container{width:min(1180px,calc(100% - 32px));margin:auto}.topbar{background:#171d22;color:#d9dde0;font-size:13px}.topbar .container{display:flex;justify-content:space-between;gap:20px;padding:8px 0}.site-header{background:rgba(255,253,249,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}.nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:12px;font-weight:700}.seal{width:42px;height:42px;border:2px solid var(--brand);border-radius:50%;display:grid;place-items:center;color:var(--brand);font-family:Georgia,serif;font-size:20px}.brand small{display:block;color:var(--muted);font-weight:400;font-size:12px;letter-spacing:.08em}.navlinks{display:flex;gap:24px;font-size:15px}.navlinks a:hover,.navlinks a.active{color:var(--brand)}.hero{padding:86px 0 72px;background:radial-gradient(circle at 85% 20%,rgba(184,135,70,.14),transparent 28%),linear-gradient(135deg,#fffdf9 0%,#f0ece4 100%);border-bottom:1px solid var(--line)}.eyebrow{color:var(--brand);letter-spacing:.18em;font-size:13px;font-weight:700}.hero h1{font-family:Georgia,"Songti SC",serif;font-size:50px;line-height:1.15;margin:12px 0 18px;max-width:780px}.hero p{max-width:760px;color:#596168;font-size:17px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:6px;border:1px solid var(--brand);font-weight:600;cursor:pointer}.btn.primary{background:var(--brand);color:#fff}.btn.ghost{background:transparent;color:var(--brand)}.section{padding:68px 0}.section.white{background:var(--paper)}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}.section-head h2{margin:0;font-size:30px}.section-head p{margin:0;color:var(--muted);max-width:620px}.grid{display:grid;gap:20px}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:24px;box-shadow:0 8px 24px rgba(31,27,23,.035)}.card h3{margin:6px 0 8px}.card p{margin:0;color:var(--muted)}.tag{display:inline-flex;padding:4px 9px;border-radius:999px;background:#efe6db;color:#775a35;font-size:12px}.metric{font-size:30px;font-weight:800;color:var(--brand)}.tool-card{position:relative;overflow:hidden}.tool-card:after{content:"";position:absolute;right:-24px;top:-24px;width:92px;height:92px;border-radius:50%;border:18px solid rgba(122,47,34,.06)}.steps{counter-reset:step}.step{display:grid;grid-template-columns:58px 1fr;gap:18px;padding:18px 0;border-top:1px solid var(--line)}.step:first-child{border-top:0}.step:before{counter-increment:step;content:counter(step,decimal-leading-zero);width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#efe6db;color:var(--brand);font-weight:700}.page-hero{padding:48px 0 36px;background:#efeae1;border-bottom:1px solid var(--line)}.page-hero h1{margin:4px 0 8px;font-size:36px}.breadcrumb{font-size:13px;color:var(--muted)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field label{display:block;margin-bottom:7px;font-weight:600}.field input,.field select,.field textarea{width:100%;padding:12px 13px;border:1px solid #cfc7bb;border-radius:7px;background:#fff;font:inherit}.field textarea{min-height:130px;resize:vertical}.result-box{margin-top:18px;padding:18px;border-radius:10px;background:#f3eee7;border:1px solid #e1d6c7}.result-row{display:flex;justify-content:space-between;gap:18px;padding:8px 0;border-bottom:1px dashed #d7caba}.result-row:last-child{border-bottom:0}.result-row strong{color:var(--brand)}.notice{padding:14px 16px;border-left:4px solid var(--brand2);background:#faf5ec;color:#63574a;border-radius:4px}.checklist{display:grid;gap:10px}.checkitem{display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid var(--line);border-radius:8px;background:#fff}.checkitem input{margin-top:5px}.footer{background:#161d22;color:#d9dee2;padding:38px 0 28px;margin-top:28px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.footer h4{margin-top:0;color:#fff}.footer a{color:#d9dee2}.copyright{margin-top:24px;padding-top:18px;border-top:1px solid #343b40;font-size:13px;color:#9ea6ac}.mini{font-size:13px;color:var(--muted)}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{border:1px solid var(--line);padding:12px;text-align:left}.table th{background:#f3eee7}.kbd{font-family:ui-monospace,Consolas,monospace;background:#eee8df;padding:2px 6px;border-radius:4px}.mobile-toggle{display:none}.prose h2{margin-top:32px}.prose p,.prose li{color:#50585f}.feature-list{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.feature{background:#fff;border:1px solid var(--line);padding:18px;border-radius:10px}.feature b{display:block;margin-bottom:6px}.status{color:var(--ok);font-weight:700}
@media(max-width:900px){.navlinks{display:none}.hero h1{font-size:38px}.grid.cols-3,.feature-list{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}}@media(max-width:620px){.topbar .container{display:block}.hero{padding:56px 0}.hero h1{font-size:31px}.grid.cols-3,.grid.cols-2,.feature-list,.footer-grid{grid-template-columns:1fr}.section{padding:48px 0}.section-head{display:block}.section-head p{margin-top:8px}.nav{height:66px}.brand{font-size:14px}}