:root{--color-primary: #1565a8;--color-primary-light: #e8f2fa;--color-accent: #e07010;--color-text: #1a1a1a;--color-text-secondary: #5c6670;--color-border: #e4e8ec;--color-bg: #f7f9fb;--color-card: #ffffff;--color-footer: #eef2f6;--font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "Cascadia Code", Consolas, monospace;--max-width: 880px;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .06);--shadow-hover: 0 4px 16px rgba(21, 101, 168, .1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:16px;line-height:1.75;color:var(--color-text);background:var(--color-bg);min-height:100vh;display:flex;flex-direction:column}a{color:var(--color-primary);text-decoration:none;transition:color .15s}a:hover{color:var(--color-accent)}img{max-width:100%;display:block}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}.site-header{background:var(--color-card);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}.site-header .container{display:flex;align-items:center;justify-content:space-between;height:60px}.site-logo{display:flex;align-items:baseline;gap:8px;font-weight:700;font-size:18px;color:var(--color-text)}.site-logo:hover{color:var(--color-primary)}.site-logo-sub{font-size:13px;font-weight:400;color:var(--color-text-secondary)}.site-nav{display:flex;gap:4px}.site-nav a{padding:6px 14px;font-size:14px;color:var(--color-text-secondary);border-radius:6px;transition:background .15s,color .15s}.site-nav a:hover,.site-nav a.active{color:var(--color-primary);background:var(--color-primary-light)}main{flex:1;padding:48px 0 64px}.site-footer{background:var(--color-footer);border-top:1px solid var(--color-border);padding:32px 0;font-size:13px;color:var(--color-text-secondary);text-align:center}.site-footer p+p{margin-top:6px}.site-footer a{color:var(--color-text-secondary)}.site-footer a:hover{color:var(--color-primary)}.hero{text-align:center;padding:32px 0 48px}.hero-badge{display:inline-block;padding:4px 12px;font-size:12px;color:var(--color-primary);background:var(--color-primary-light);border-radius:20px;margin-bottom:20px}.hero h1{font-size:32px;font-weight:700;line-height:1.3;margin-bottom:16px;letter-spacing:.02em}.hero-desc{max-width:560px;margin:0 auto 28px;color:var(--color-text-secondary);font-size:15px}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.btn{display:inline-block;padding:10px 22px;font-size:14px;font-weight:500;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:#125691;color:#fff}.btn-outline{background:var(--color-card);color:var(--color-primary);border-color:var(--color-border)}.btn-outline:hover{border-color:var(--color-primary);color:var(--color-primary)}.section{margin-bottom:48px}.section-title{font-size:20px;font-weight:700;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid var(--color-primary);display:inline-block}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:box-shadow .2s,transform .2s}.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.card-tag{display:inline-block;font-size:12px;color:var(--color-accent);background:#fef3e8;padding:2px 8px;border-radius:4px;margin-bottom:10px}.card h3{font-size:16px;margin-bottom:8px;line-height:1.4}.card p{font-size:14px;color:var(--color-text-secondary);margin-bottom:14px}.card-meta{font-size:12px;color:#9aa3ab}.card-link{font-size:14px;font-weight:500}.project-box{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}.project-box h2{font-size:22px;margin-bottom:16px}.project-box p{color:var(--color-text-secondary);margin-bottom:12px}.feature-list{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-top:20px}.feature-list li{font-size:14px;padding:8px 12px;background:var(--color-bg);border-radius:6px;color:var(--color-text-secondary)}.feature-list li:before{content:"·";color:var(--color-primary);font-weight:700;margin-right:6px}.page-header{margin-bottom:32px}.page-header h1{font-size:28px;margin-bottom:8px}.page-header .meta{font-size:14px;color:var(--color-text-secondary)}.prose{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:36px 40px;box-shadow:var(--shadow)}.prose h2{font-size:20px;margin:32px 0 12px;padding-bottom:6px;border-bottom:1px solid var(--color-border)}.prose h2:first-child{margin-top:0}.prose h3{font-size:17px;margin:24px 0 10px}.prose p{margin-bottom:14px;color:var(--color-text-secondary)}.prose ul,.prose ol{margin:0 0 16px 24px;color:var(--color-text-secondary)}.prose li{margin-bottom:6px}.prose code{font-family:var(--font-mono);font-size:.88em;background:var(--color-bg);padding:2px 6px;border-radius:4px;color:#c0392b}.prose pre{background:#1e2936;color:#e2e8f0;padding:16px 20px;border-radius:var(--radius);overflow-x:auto;margin:16px 0;font-size:13px;line-height:1.6}.prose pre code{background:none;color:inherit;padding:0}.prose blockquote{border-left:3px solid var(--color-primary);padding:8px 16px;margin:16px 0;background:var(--color-primary-light);color:var(--color-text-secondary);font-size:14px}.back-link{display:inline-flex;align-items:center;gap:4px;font-size:14px;margin-bottom:24px;color:var(--color-text-secondary)}.back-link:hover{color:var(--color-primary)}.info-table{width:100%;border-collapse:collapse;font-size:15px}.info-table th,.info-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--color-border)}.info-table th{width:120px;color:var(--color-text-secondary);font-weight:500}.notice-box{background:#fffbeb;border:1px solid #fde68a;border-radius:var(--radius);padding:16px 20px;font-size:14px;color:#92400e;margin-top:24px}@media (max-width: 640px){.site-header .container{flex-direction:column;height:auto;padding-top:12px;padding-bottom:12px;gap:10px}.site-nav{flex-wrap:wrap;justify-content:center}.hero h1{font-size:26px}.prose{padding:24px 20px}main{padding:32px 0 48px}}