:root{--green-900: #0B3D2E;--green-800: #0C5238;--green-700: #0F6E4E;--green-600: #138A61;--green-500: #1AA178;--mint-500: #23C093;--mint-300: #9FE3CC;--mint-100: #E6F7F1;--mint-50: #F2FBF8;--bg: #F7FAF9;--surface: #FFFFFF;--text: #14241F;--muted: #5C6B66;--border: #E2ECE8;--radius: 14px;--radius-sm: 10px;--maxw: 980px;--shadow: 0 1px 2px rgba(11,61,46,.04), 0 8px 24px rgba(11,61,46,.06);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;--font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);color:var(--text);background:var(--bg);line-height:1.75;font-size:17px;-webkit-font-smoothing:antialiased}a{color:var(--green-700);text-decoration:none}a:hover{color:var(--green-600)}img{max-width:100%;height:auto}.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:50;background:#ffffffd9;backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--green-900);letter-spacing:.5px}.brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--green-700),var(--mint-500));display:grid;place-items:center;color:#fff;font-weight:900;font-size:15px}.brand .sub{color:var(--muted);font-weight:500;font-size:12px;margin-left:2px}.nav{display:flex;gap:6px}.nav a{padding:8px 14px;border-radius:999px;color:var(--muted);font-weight:600;font-size:15px}.nav a:hover{background:var(--mint-50);color:var(--green-700)}.nav a.active{background:var(--green-700);color:#fff}.hero{background:radial-gradient(1200px 400px at 80% -10%,var(--mint-100),transparent 60%),linear-gradient(180deg,#fff,var(--bg));border-bottom:1px solid var(--border);padding:64px 0 56px}.hero .eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--green-700);background:var(--mint-100);padding:5px 12px;border-radius:999px;margin-bottom:18px}.hero h1{font-family:var(--font-serif);font-size:clamp(30px,5vw,46px);line-height:1.25;margin:0 0 16px;color:var(--green-900)}.hero p.lead{font-size:18px;color:var(--muted);max-width:680px;margin:0}.section{padding:48px 0}.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:24px}.section-head h2{font-family:var(--font-serif);font-size:26px;margin:0;color:var(--green-900)}.section-head .count{color:var(--muted);font-size:14px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.card:hover{transform:translateY(-3px);border-color:var(--mint-300);box-shadow:0 10px 30px #0b3d2e1a}.card .date{font-size:13px;color:var(--muted);margin-bottom:10px}.card h3{margin:0 0 10px;font-size:20px;line-height:1.4;color:var(--green-900)}.card h3 a{color:inherit}.card p.desc{margin:0 0 16px;color:var(--muted);font-size:15px;flex:1}.tags{display:flex;flex-wrap:wrap;gap:8px}.tag{font-size:12.5px;font-weight:600;color:var(--green-700);background:var(--mint-50);border:1px solid var(--mint-100);padding:3px 10px;border-radius:999px}.tag:hover{background:var(--mint-100)}.article-header{padding:48px 0 8px}.article-header .meta{color:var(--muted);font-size:14px;margin-bottom:14px}.article-header h1{font-family:var(--font-serif);font-size:clamp(28px,4.5vw,40px);line-height:1.3;margin:0 0 14px;color:var(--green-900)}.article-header .tags{margin-top:16px}.prose{padding-bottom:40px;font-size:17px;color:#203028}.prose h2{font-family:var(--font-serif);font-size:26px;margin:40px 0 14px;color:var(--green-900);padding-bottom:8px;border-bottom:2px solid var(--mint-100)}.prose h3{font-size:21px;margin:30px 0 10px;color:var(--green-800)}.prose p{margin:16px 0}.prose ul,.prose ol{margin:16px 0;padding-left:24px}.prose li{margin:8px 0}.prose blockquote{margin:22px 0;padding:14px 20px;background:var(--mint-50);border-left:4px solid var(--mint-500);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--green-800)}.prose code{background:var(--mint-50);padding:2px 6px;border-radius:6px;font-size:.92em;color:var(--green-800)}.prose pre{background:#0b2018;color:#e6f7f1;padding:18px;border-radius:var(--radius-sm);overflow-x:auto;font-size:14px}.prose pre code{background:none;padding:0;color:inherit}.prose img{border-radius:var(--radius-sm);margin:20px 0}.prose a{text-decoration:underline;text-underline-offset:3px}.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}.tag-cloud .tag{font-size:15px;padding:6px 14px}.tag-cloud .tag .n{color:var(--muted);font-weight:700}.about-hero{padding:56px 0 8px}.about-hero h1{font-family:var(--font-serif);font-size:36px;margin:0 0 12px;color:var(--green-900)}.about-grid{display:grid;grid-template-columns:200px 1fr;gap:32px;align-items:start;padding:32px 0 16px}.avatar{width:200px;height:200px;border-radius:20px;background:linear-gradient(135deg,var(--green-700),var(--mint-500));display:grid;place-items:center;color:#fff;font-size:64px;font-weight:900;box-shadow:var(--shadow)}@media(max-width:620px){.about-grid{grid-template-columns:1fr}.avatar{width:120px;height:120px;font-size:40px}}.about-body p{margin:14px 0}.about-body h3{color:var(--green-800);margin-top:28px}.site-footer{border-top:1px solid var(--border);background:#fff;padding:32px 0;margin-top:40px;color:var(--muted);font-size:14px}.site-footer .inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}.site-footer a{color:var(--green-700)}.site-footer .beian{text-align:center;margin-top:14px;font-size:13px;line-height:1.8}.site-footer .beian a{color:var(--muted)}.site-footer .beian a:hover{color:var(--green-700)}.back-link{display:inline-block;margin:24px 0;color:var(--muted);font-weight:600}.back-link:hover{color:var(--green-700)}.notfound{text-align:center;padding:100px 0}.notfound h1{font-family:var(--font-serif);font-size:64px;color:var(--green-700);margin:0}