:root{--bg:#f6f7fb;--surface:#fff;--text:#101828;--text-soft:#344054;--muted:#667085;--line:#e4e7ec;--accent:#4f46e5;--accent-2:#7c3aed;--accent-soft:#eef2ff;--accent-ink:#3730a3;--soft:#f8fafc;--inline-code-bg:#eef1f6;--code:#111827;--glass-bg:#ffffffbf;--nav-border:#0f172a14;--shadow:0 16px 45px #0f172a14;--shadow-sm:0 4px 16px #0f172a0f;--shadow-lg:0 24px 60px #0f172a24;--radius:16px;--radius-lg:20px;--content-width:1180px;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Courier New", monospace}html[data-theme=dark]{--bg:#0b1020;--surface:#151b2e;--text:#e6e9f2;--text-soft:#c4cbda;--muted:#8f9bb3;--line:#263049;--accent:#818cf8;--accent-2:#a78bfa;--accent-soft:#6366f129;--accent-ink:#c7d2fe;--soft:#1a2138;--inline-code-bg:#1e2540;--code:#0d1322;--glass-bg:#0b1020c7;--nav-border:#ffffff14;--shadow:0 16px 45px #0006;--shadow-sm:0 4px 16px #0000004d;--shadow-lg:0 24px 60px #00000080}@media (prefers-color-scheme:dark){html:not([data-theme=light]){--bg:#0b1020;--surface:#151b2e;--text:#e6e9f2;--text-soft:#c4cbda;--muted:#8f9bb3;--line:#263049;--accent:#818cf8;--accent-2:#a78bfa;--accent-soft:#6366f129;--accent-ink:#c7d2fe;--soft:#1a2138;--inline-code-bg:#1e2540;--code:#0d1322;--glass-bg:#0b1020c7;--nav-border:#ffffff14;--shadow:0 16px 45px #0006;--shadow-sm:0 4px 16px #0000004d;--shadow-lg:0 24px 60px #00000080}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.85;transition:background .25s,color .25s}a{color:var(--accent);text-decoration:none;transition:color .18s,background .18s,border-color .18s,opacity .18s}a:hover{text-underline-offset:3px;text-decoration:underline}img{max-width:100%;height:auto}::selection{background:var(--accent);color:#fff}.hero{color:#fff;background:linear-gradient(135deg,#111827 0%,#312e81 48%,#4f46e5 100%);border-bottom:1px solid #ffffff14;padding:56px 28px 80px;position:relative;overflow:hidden}.hero:before,.hero:after{content:"";pointer-events:none;border-radius:50%;position:absolute}.hero:before{background:radial-gradient(closest-side,#818cf873,#0000 72%);width:560px;height:560px;top:-220px;right:-140px}.hero:after{background:radial-gradient(closest-side,#a78bfa59,#0000 72%);width:480px;height:480px;bottom:-240px;left:-160px}.hero-inner{z-index:1;max-width:var(--content-width);margin:0 auto;position:relative}.hero-plain{background:0 0;border-bottom:none;padding:44px 28px 10px}.hero-plain:before,.hero-plain:after{display:none}.hero-plain .badge{color:var(--accent);background:var(--accent-soft);border-color:#0000}.hero.hero-plain h1{color:var(--text);background:0 0;-webkit-background-clip:initial;background-clip:initial;-webkit-text-fill-color:currentColor;margin:10px 0 8px;font-size:clamp(26px,3.2vw,36px)}.hero.hero-plain p{color:var(--muted);opacity:1}.terminal{max-width:920px;font-family:var(--font-mono);background:#0d1322;border:1px solid #263049;border-radius:16px;margin:0 auto;overflow:hidden;box-shadow:0 24px 60px #0f172a4d}.terminal-bar{background:#111827;border-bottom:1px solid #1c2338;gap:8px;padding:14px 18px;display:flex}.terminal-bar span{border-radius:50%;width:12px;height:12px}.terminal-bar span:first-child{background:#ff5f57}.terminal-bar span:nth-child(2){background:#febc2e}.terminal-bar span:nth-child(3){background:#28c840}.terminal-body{padding:24px 30px 26px;font-size:15px;line-height:2.1}.t-line{align-items:baseline;display:flex}.t-prompt{color:#28c840;margin-right:9px}.t-cmd{color:#e6e9f2}.t-out{color:#8f9bb3}.t-name{color:#818cf8;font-size:17px;font-weight:700;font-family:var(--font-mono);letter-spacing:0;margin:0;line-height:2.05}.hero.hero-plain .t-name{letter-spacing:0;color:#818cf8;background:0 0;-webkit-background-clip:initial;background-clip:initial;-webkit-text-fill-color:currentColor;margin:0;font-size:clamp(18px,2.4vw,23px);font-weight:700;line-height:2}.t-cursor{background:#818cf8;width:9px;height:18px;animation:1.1s step-end infinite blink;display:inline-block}@keyframes blink{50%{opacity:0}}.badge{letter-spacing:.04em;color:#ffffffeb;background:#ffffff14;border:1px solid #ffffff40;border-radius:999px;padding:5px 12px;font-size:13px;display:inline-block}.hero h1{letter-spacing:-.02em;text-wrap:balance;color:#fff;margin:18px 0 12px;font-size:clamp(30px,4.6vw,50px);font-weight:800;line-height:1.18}@supports ((-webkit-background-clip:text) or (background-clip:text)){.hero h1{background:linear-gradient(92deg,#fff 30%,#c7d2fe 75%,#a5b4fc 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}}.hero p{opacity:.88;text-wrap:pretty;max-width:820px;margin:0;font-size:17px}.hero-meta{font-variant-numeric:tabular-nums;color:#ffffffd1;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;font-size:14px;display:flex}.hero-meta .tag{color:#fff;background:#ffffff24;border:1px solid #ffffff40}.hero-meta .tag:hover{color:var(--accent);background:#fff;text-decoration:none}.topbar{z-index:100;background:var(--glass-bg);backdrop-filter:blur(14px)saturate(1.4);border-bottom:1px solid var(--nav-border);position:sticky;top:0}.topbar-inner{max-width:var(--content-width);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin:0 auto;padding:13px 28px;display:flex}.brand{color:var(--text);letter-spacing:.01em;align-items:center;gap:9px;font-size:17px;font-weight:800;display:inline-flex}.brand-mark{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;width:24px;height:24px;font-family:var(--font-mono);border-radius:7px;justify-content:center;align-items:center;font-size:14px;font-weight:700;line-height:1;display:inline-flex}.brand:hover{opacity:.85;text-decoration:none}.site-nav{flex-wrap:wrap;align-items:center;gap:4px;font-size:14.5px;display:flex}.site-nav a{color:var(--muted);border-radius:999px;padding:5px 14px}.site-nav a:hover{color:var(--text);background:var(--soft);text-decoration:none}.site-nav a[aria-current=page]{color:var(--accent);background:var(--accent-soft);font-weight:600}.nav-sep{background:var(--line);width:1px;height:16px;margin:0 8px}.theme-toggle{border:1px solid var(--line);background:var(--soft);width:34px;height:34px;color:var(--text);cursor:pointer;border-radius:999px;justify-content:center;align-items:center;padding:0;transition:background .18s,transform .18s;display:inline-flex}.theme-toggle:hover{background:var(--accent-soft);transform:rotate(15deg)}.theme-toggle svg{width:17px;height:17px}.theme-toggle .icon-sun{display:none}html[data-theme=dark] .theme-toggle .icon-sun{display:block}html[data-theme=dark] .theme-toggle .icon-moon{display:none}.layout-wrap{max-width:var(--content-width);grid-template-columns:250px minmax(0,1fr);align-items:start;gap:28px;margin:-34px auto 60px;padding:0 22px;display:grid}.layout-single{max-width:880px;margin:24px auto 60px;padding:0 22px}.layout-wrap,.layout-single{z-index:1;position:relative}.layout-wrap.layout-flush{margin-top:26px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:clamp(24px,3.5vw,48px)}.toc{background:var(--surface);border:1px solid var(--line);max-height:calc(100vh - 92px);box-shadow:var(--shadow-sm);border-radius:18px;padding:18px 16px;position:sticky;top:74px;overflow:auto}.toc-title{color:var(--text);margin-bottom:10px;font-size:15px;font-weight:700}.toc a{color:var(--text-soft);border-radius:8px;margin:2px 0;padding:6px 9px;font-size:13.5px;line-height:1.5;text-decoration:none;display:block}.toc a:hover{color:var(--accent);background:var(--accent-soft);text-decoration:none}.toc a.is-active{color:var(--accent);background:var(--accent-soft);font-weight:600}.toc .toc-l3{color:var(--muted);padding-left:22px;font-size:13px}.side{align-content:start;gap:18px;display:grid;position:sticky;top:74px}.side-widget{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:18px;padding:18px 16px}.side-title{color:var(--text);align-items:center;gap:8px;margin-bottom:12px;font-size:15px;font-weight:700;display:flex}.side-title:before{content:"";background:linear-gradient(180deg, var(--accent), var(--accent-2));border-radius:2px;width:4px;height:14px}.tag-cloud{flex-wrap:wrap;gap:8px;display:flex}.tag-cloud .tag{background:var(--soft);border:1px solid var(--line);color:var(--text-soft);padding:4px 13px;font-size:13px}.stat-list{gap:10px;display:grid}.stat-row{color:var(--muted);justify-content:space-between;align-items:baseline;font-size:14px;display:flex}.stat-row b{color:var(--text);font-variant-numeric:tabular-nums;font-size:18px;font-weight:700}.home-main{min-width:0;padding-top:42px}.post-grid{grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px;display:grid}.post-list{gap:18px;margin:0;padding:0;list-style:none;display:grid}.post-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:22px 24px;transition:transform .18s,box-shadow .18s,border-color .18s}.post-item:hover{border-color:color-mix(in srgb, var(--accent) 35%, var(--line));box-shadow:var(--shadow-lg);transform:translateY(-3px)}.post-item-title{letter-spacing:-.01em;text-wrap:balance;margin:0 0 8px;font-size:20px;font-weight:700;line-height:1.45}.post-item-title a{color:var(--text)}.post-item-title a:hover{color:var(--accent);text-decoration:none}.post-meta{color:var(--muted);font-variant-numeric:tabular-nums;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;display:flex}.post-item-desc{color:var(--muted);text-wrap:pretty;margin:10px 0 0;font-size:15px}.page-title{letter-spacing:-.01em;margin:0 0 20px;font-size:26px;font-weight:700}.tag-list{flex-wrap:wrap;gap:10px;margin:12px 0 0;padding:0;list-style:none;display:flex}.tag-list .tag{background:var(--soft);border:1px solid var(--line);color:var(--text-soft);align-items:center;gap:7px;padding:7px 16px;font-size:14px;display:inline-flex}.tag-count{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.tag-list .tag:hover .tag-count{color:#ffffffd9}.tag{background:var(--soft);border:1px solid var(--line);color:var(--text-soft);border-radius:999px;padding:3px 12px;font-size:13px;transition:background .18s,color .18s,border-color .18s,transform .18s;display:inline-block}.tag:hover{background:var(--accent);border-color:var(--accent);color:#fff;text-decoration:none;transform:translateY(-1px)}.prose h2{border-bottom:1px solid var(--line);letter-spacing:-.015em;text-wrap:balance;margin:44px 0 16px;padding-bottom:10px;scroll-margin-top:80px;font-size:clamp(22px,2.4vw,27px);line-height:1.4}.prose h2:first-child{margin-top:0}.prose h3{letter-spacing:-.01em;margin:28px 0 10px;scroll-margin-top:80px;font-size:19px}.prose p{text-wrap:pretty;margin:12px 0}.prose ul,.prose ol{margin:12px 0;padding-left:1.5em}.prose li{margin:5px 0}.prose strong{color:var(--text);font-weight:700}.prose a{text-decoration:underline;text-decoration-color:color-mix(in srgb, var(--accent) 40%, transparent);text-underline-offset:3px}.prose a:hover{text-decoration-color:var(--accent)}.prose blockquote{border-left:4px solid var(--accent);background:var(--accent-soft);color:var(--accent-ink);border-radius:10px;margin:20px 0;padding:14px 18px}.prose blockquote p{margin:6px 0}.prose hr{border:0;border-top:1px solid var(--line);margin:34px 0}.prose code{font-family:var(--font-mono);background:var(--inline-code-bg);border-radius:6px;padding:.16em .4em;font-size:.92em}.prose pre{border:1px solid var(--line);border-radius:14px;margin:18px 0 24px;padding:20px 22px;position:relative;overflow-x:auto;background:var(--code)!important}.copy-btn{font-size:12px;font-family:var(--font-sans);color:#c4cbda;cursor:pointer;opacity:0;background:#ffffff14;border:1px solid #ffffff24;border-radius:8px;padding:3px 10px;transition:opacity .16s,background .16s,color .16s;position:absolute;top:12px;right:14px}.prose pre:hover .copy-btn,.copy-btn:focus-visible{opacity:1}.copy-btn:hover{color:#fff;background:#ffffff2e}.prose pre code{color:#e2e8f0;padding:0;font-size:.9rem;line-height:1.65;background:0 0!important}.prose table{border-collapse:collapse;width:100%;margin:18px 0;font-size:15px;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line);text-align:left;padding:10px 14px}.prose th{background:var(--soft);font-weight:600}.post-nav{border-top:1px solid var(--line);grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:52px;padding-top:28px;display:grid}.post-nav-item{border:1px solid var(--line);background:var(--soft);border-radius:14px;gap:4px;padding:14px 18px;transition:border-color .18s,transform .18s,background .18s;display:grid}.post-nav-item:hover{border-color:color-mix(in srgb, var(--accent) 40%, var(--line));background:var(--accent-soft);text-decoration:none;transform:translateY(-2px)}.post-nav-label{color:var(--muted);font-size:12px}.post-nav-title{color:var(--text);font-size:15px;font-weight:600;line-height:1.5}.post-nav-next{text-align:right}.prose figure{margin:24px 0 32px}.prose figure img{border:1px solid #243047;border-radius:16px;width:100%;display:block}.archive-year{z-index:2;color:var(--muted);background:var(--surface);margin:26px 0 10px;padding:4px 0;font-size:17px;font-weight:700;position:sticky;top:74px}.archive-list{margin:0;padding:0;list-style:none}.archive-item{align-items:baseline;gap:14px;padding:7px 0;display:flex}.archive-item a{color:var(--text);font-weight:500}.archive-item a:hover{color:var(--accent)}.archive-date{color:var(--muted);font-variant-numeric:tabular-nums;flex-shrink:0;font-size:14px}.site-footer{text-align:center;color:var(--muted);padding:0 20px 42px;font-size:13px}.site-footer p{margin:4px 0}@media (width<=900px){.hero{padding:40px 22px 58px}.hero-plain{padding:32px 22px 8px}.topbar-inner{padding:12px 22px}}@media (width<=900px) and (width>=768px){.layout-wrap{grid-template-columns:200px minmax(0,1fr);gap:20px;padding:0 18px}.toc{padding:14px 12px}.toc a{padding:5px 7px;font-size:12.5px}}@media (width<=767px){.layout-wrap{grid-template-columns:1fr;margin-top:-24px;padding:0 18px}.toc{max-height:none;position:relative;top:auto}.side{position:relative;top:auto}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}.t-cursor{opacity:1}}
