:root{--bg:#f4f6fa;--surface:#fff;--ink:#182033;--muted:#6f7890;--faint:#929aaf;--line:#dfe4ee;--line-strong:#cbd2e1;--violet:#6b57e8;--violet-soft:#eeebff;--green:#198b67;--shell:960px}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;min-width:320px;color:var(--ink);background:radial-gradient(circle at 86% 0%,rgba(107,87,232,.12),transparent 28rem),radial-gradient(circle at 8% 30%,rgba(36,116,229,.06),transparent 24rem),var(--bg);font-family:'Inter','Noto Sans SC',system-ui,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid rgba(107,87,232,.28);outline-offset:3px}[data-lang="en"]{display:none}html[lang="en"] [data-lang="zh"]{display:none}html[lang="en"] [data-lang="en"]{display:inline}
.log-nav{position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(203,210,225,.7);background:rgba(244,246,250,.78);backdrop-filter:blur(22px) saturate(135%)}.log-nav>div{width:min(1376px,calc(100% - 64px));min-height:70px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.log-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.025em}.log-brand>span{width:33px;height:33px;display:grid;place-items:center;border-radius:11px;color:#fff;background:linear-gradient(145deg,var(--violet),#8172f2);box-shadow:0 9px 22px rgba(107,87,232,.24);font-size:9px}.log-links{display:flex;align-items:center;gap:20px;color:var(--muted);font-size:11px;font-weight:700}.log-links>a:hover{color:var(--violet)}.lang-toggle{display:flex;gap:2px;padding:3px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.65)}.lang-toggle button{padding:5px 9px;border:0;border-radius:7px;background:transparent;color:var(--muted);font-size:10px;font-weight:700;cursor:pointer}.lang-toggle button[aria-pressed="true"]{background:#fff;color:var(--ink);box-shadow:0 2px 8px rgba(41,50,86,.08)}
.log-hero{position:relative;width:min(var(--shell),calc(100% - 40px));margin:auto;padding:94px 0 68px}.log-hero::before{content:'';position:absolute;z-index:-1;width:350px;height:350px;right:-8%;top:-155px;border-radius:50%;background:rgba(107,87,232,.15);filter:blur(55px);animation:ambient-drift 12s ease-in-out infinite alternate}.log-kicker{display:block;margin-bottom:18px;color:var(--violet);font-size:9px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.log-hero h1{max-width:850px;margin:0;font-size:clamp(47px,7vw,76px);line-height:1.02;font-weight:800;letter-spacing:-.065em}.log-hero h1 em{font-style:normal;background:linear-gradient(110deg,var(--ink),var(--violet),var(--ink));background-size:200% 100%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:text-shimmer 8s ease-in-out infinite}.log-hero p{max-width:650px;margin:25px 0 0;color:var(--muted);font-size:13px}
.timeline{position:relative;width:min(var(--shell),calc(100% - 40px));margin:auto;padding:25px 0 90px 42px}.timeline::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:1px;background:linear-gradient(to bottom,var(--violet),var(--line) 82%)}.log-entry{position:relative;margin-bottom:52px}.log-entry::before{content:'';position:absolute;left:-39px;top:5px;width:12px;height:12px;border:2px solid var(--line-strong);border-radius:50%;background:var(--bg)}.log-entry.featured::before{left:-42px;top:2px;width:18px;height:18px;border-color:var(--violet);box-shadow:0 0 0 6px rgba(107,87,232,.09)}.entry-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px;color:var(--muted);font:700 9px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace}.entry-meta>span{padding:4px 7px;border-radius:6px;background:var(--violet-soft);color:var(--violet)}.log-entry h2{margin:0 0 13px;font-size:24px;line-height:1.25;letter-spacing:-.035em}.entry-body{padding:22px;border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.74);box-shadow:0 9px 28px rgba(42,51,83,.045);transition:transform .28s cubic-bezier(.2,.8,.2,1),box-shadow .28s ease,border-color .28s ease}.entry-body:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:0 18px 43px rgba(42,51,83,.09)}.entry-body p{margin:0;color:#59637a;font-size:12px}.entry-body>a{display:inline-flex;margin-top:15px;color:var(--violet);font-size:10px;font-weight:800}.entry-facts{display:flex;flex-wrap:wrap;gap:7px;margin-top:15px}.entry-facts span{padding:5px 8px;border:1px solid var(--line);border-radius:7px;color:var(--muted);font:8px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace}
footer{width:min(1376px,calc(100% - 64px));margin:auto;display:grid;grid-template-columns:1fr auto auto;gap:34px;padding:30px 0;border-top:1px solid var(--line);color:var(--muted);font-size:9px}footer>a{color:var(--ink);font-weight:800}footer>div{display:flex;gap:18px}footer a:hover{color:var(--violet)}.motion-ready .reveal{opacity:0;transform:translateY(18px)}.motion-ready .reveal.is-visible{opacity:1;transform:translateY(0);transition:opacity .72s ease,transform .72s cubic-bezier(.2,.8,.2,1)}@keyframes ambient-drift{to{transform:translate3d(18px,28px,0) scale(1.08)}}@keyframes text-shimmer{50%{background-position:100% 0}}
@media(max-width:700px){.log-nav>div{width:calc(100% - 30px);min-height:66px}.log-links>a{display:none}.log-hero{padding-top:66px}.log-hero h1{font-size:45px}.timeline{padding-left:30px}.log-entry::before{left:-27px}.log-entry.featured::before{left:-30px}.entry-body{padding:18px}footer{width:calc(100% - 32px);grid-template-columns:1fr;gap:15px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition-duration:.01ms!important}.motion-ready .reveal{opacity:1;transform:none}}
body{font-family:'Segoe UI Variable','Segoe UI','Microsoft YaHei UI','Microsoft YaHei',system-ui,sans-serif}
.log-brand>span{overflow:hidden;padding:3px;border:1px solid rgba(255,255,255,.9);background:rgba(255,255,255,.72);box-shadow:0 9px 22px rgba(107,87,232,.17)}.log-brand>span img{width:100%;height:100%;object-fit:contain}