:root{--accent:#ff6900;--accent-soft:#ff8f3d;--sky:#0ea5e9;--sky-deep:#0b3a5e;--ink:#0b1220;--ink-soft:#3b4456;--bg:#f8f7f4;--card:#fff;--line:#e6e4de;--radius:14px;--maxw:1080px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;--mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;line-height:1.7}a{color:var(--sky-deep);text-decoration:none}a:hover{color:var(--accent)}img{max-width:100%}.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}.site-header{z-index:50;backdrop-filter:blur(8px);border-bottom:1px solid var(--line);background:#ffffffeb;position:sticky;top:0}.site-header .container{align-items:center;gap:24px;height:60px;display:flex}.logo{letter-spacing:.5px;color:var(--ink);white-space:nowrap;font-size:17px;font-weight:900}.logo span{color:var(--accent)}.nav{gap:18px;margin-left:auto;display:flex;overflow-x:auto}.nav a{color:var(--ink-soft);white-space:nowrap;border-bottom:2px solid #0000;padding:6px 0;font-size:14.5px}.nav a:hover{color:var(--accent);border-bottom-color:var(--accent)}.nav a[aria-current=page]{color:var(--ink);border-bottom-color:var(--accent)}.hero{color:#fff;background:linear-gradient(135deg,#081226 0%,#0b3a5e 55%,#0ea5e9 130%);padding:88px 0 72px;position:relative;overflow:hidden}.hero:after{content:"";opacity:.35;pointer-events:none;background-image:radial-gradient(#ffffff24 1px,#0000 1px);background-size:26px 26px;position:absolute;inset:0}.hero .container{z-index:1;position:relative}.hero h1{letter-spacing:.5px;margin:0 0 18px;font-size:clamp(30px,6vw,60px);font-weight:900;line-height:1.1}.hero h1 .accent{color:var(--accent-soft)}.hero .subtitle{opacity:.92;max-width:640px;margin:0 0 28px;font-size:clamp(15px,2.4vw,19px)}.hero-actions{flex-wrap:wrap;gap:12px;display:flex}.btn{text-align:center;border-radius:999px;padding:11px 20px;font-size:15px;font-weight:600;transition:transform .15s,box-shadow .15s;display:inline-block}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:0 6px 18px #ff690066}.btn-ghost{color:#fff;border:1.5px solid #ffffff8c}.btn-ghost:hover{color:#fff;background:#ffffff1f}.section{padding:56px 0}.section-title{margin:0 0 8px;font-size:24px;font-weight:800}.section-desc{color:var(--ink-soft);margin:0 0 26px}.grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;display:grid}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;gap:10px;padding:20px;transition:transform .15s,box-shadow .15s;display:flex}.card:hover{transform:translateY(-3px);box-shadow:0 10px 24px #0b122014}.card h3{margin:0;font-size:17px;line-height:1.4}.card p{color:var(--ink-soft);flex:1;margin:0;font-size:14px}.card .meta{color:#98a0ad;font-size:12.5px}.tag{color:var(--sky-deep);background:#eef4ff;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600;display:inline-block}.tag.accent{color:#c2410c;background:#fff0e6}.timeline{margin:0;padding:0;list-style:none;position:relative}.timeline:before{content:"";background:var(--line);width:2px;position:absolute;top:6px;bottom:6px;left:9px}.timeline-item{padding:0 0 26px 36px;position:relative}.timeline-item:before{content:"";background:var(--accent);width:12px;height:12px;box-shadow:0 0 0 1px var(--line);border:3px solid #fff;border-radius:50%;position:absolute;top:6px;left:4px}.timeline-item .t-date{font-family:var(--mono);color:#98a0ad;font-size:12.5px}.timeline-item h3{margin:4px 0 6px;font-size:16.5px}.timeline-item p{color:var(--ink-soft);margin:0;font-size:14.5px}.timeline-item blockquote{border-left:3px solid var(--accent);color:#7c2d12;background:#fff7ed;border-radius:8px;margin:10px 0 0;padding:10px 14px;font-size:13.5px}.prose{max-width:760px}.prose h2{margin:34px 0 12px;font-size:22px}.prose h3{margin:26px 0 10px;font-size:18px}.prose p{margin:0 0 16px}.prose ul,.prose ol{padding-left:22px}.prose li{margin:6px 0}.prose blockquote{border-left:4px solid var(--accent);color:#7c2d12;background:#fff7ed;border-radius:8px;margin:18px 0;padding:12px 16px}.prose a{text-decoration:underline}.prose .source{color:#98a0ad;font-size:13px}.comment-section{border-top:1px solid var(--line);margin-top:48px;padding-top:32px}.comment-section .comment-title{margin:0 0 4px;font-size:20px;font-weight:800}.site-footer{border-top:1px solid var(--line);color:var(--ink-soft);background:#fff;padding:34px 0;font-size:14px}.site-footer .container{text-align:center;flex-direction:column;align-items:center;gap:8px;display:flex}.stats{flex-wrap:wrap;gap:28px;margin:34px 0 0;display:flex}.stat b{color:#fff;font-size:26px;font-weight:900;display:block}.stat span{opacity:.8;font-size:13px}@media (width<=640px){.hero{padding:64px 0 52px}.section{padding:40px 0}}