:root{--primary: #1d8fd0;--primary-strong: #146ca0;--primary-container: #d9edfa;--on-primary-container: #0c4a6e;--mint: #35a386;--mint-container: #d3efe3;--on-mint-container: #14584a;--surface: #f5f8f9;--surface-bright: #ffffff;--surface-container: #eaf1f4;--on-surface: #21303b;--on-surface-variant: #5a6b76;--on-surface-dim: #8b9aa4;--outline: #d3dee4;--outline-variant: #e3ebef;--success: #3f9e6a;--success-container: #d9efe2;--on-success-container: #1f5c3c;--error: #cf5246;--error-container: #fbe4e1;--on-error-container: #8c2f26;--warning: #d68a24;--warning-container: #faeed4;--on-warning-container: #77500f;--code-bg: #22313c;--code-border: #3a4c58;--code-text: #d9e4ec;--font-serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;--font-sans: "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "Sarasa Mono SC", "JetBrains Mono", Consolas, "Courier New", monospace;--radius-s: 8px;--radius-m: 12px;--radius-l: 16px;--shadow-card: 0 1px 2px rgba(28, 58, 78, .05), 0 6px 24px rgba(28, 58, 78, .07);--shadow-pop: 0 4px 14px rgba(28, 58, 78, .08), 0 18px 48px rgba(28, 58, 78, .12);--shell-opacity: .6;--shell-blur: 1px;--shell-saturate: 1.05;--halo-alpha: .5;--header-h: 60px;--content-w: 1080px;--grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E")}*,*:before,*:after{box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}body{margin:0;min-height:100vh;background:var(--surface);color:var(--on-surface);font-family:var(--font-sans);line-height:1.75;-webkit-font-smoothing:antialiased}body:after{content:"";position:fixed;inset:0;background:var(--grain);pointer-events:none;z-index:3}img{max-width:100%}a{color:var(--primary);text-decoration:none;border-bottom:1px dashed color-mix(in srgb,var(--primary) 35%,transparent);transition:color .15s ease,border-color .15s ease}a:hover{color:var(--primary-strong);border-bottom-style:solid}h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;line-height:1.4;margin:0}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.15rem}code,kbd,pre{font-family:var(--font-mono);font-size:.875em}::selection{background:var(--primary-container)}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.container{width:100%;max-width:var(--content-w);margin:0 auto;padding:0 20px}.page-main{position:relative;z-index:1;padding-bottom:96px}.page-shell{margin-top:40px;padding:36px 40px;border:1px solid color-mix(in srgb,var(--outline-variant) 75%,transparent);border-radius:20px;background:color-mix(in srgb,var(--surface-bright) calc(var(--shell-opacity) * 100%),transparent);backdrop-filter:blur(var(--shell-blur)) saturate(var(--shell-saturate));-webkit-backdrop-filter:blur(var(--shell-blur)) saturate(var(--shell-saturate));box-shadow:var(--shadow-pop)}.page-shell>.section:first-child,.page-shell>*:first-child{margin-top:0}@media(max-width:640px){.page-shell{padding:24px 20px}}.site-header{position:sticky;top:0;z-index:10;height:var(--header-h);background:color-mix(in srgb,var(--surface-bright) 80%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--outline-variant)}.site-header .container{display:flex;align-items:center;gap:28px;height:100%}.site-logo{display:flex;align-items:center;gap:10px;border:0;color:var(--on-surface);font-family:var(--font-serif);font-size:1.05rem;font-weight:700;letter-spacing:.02em;white-space:nowrap}.site-logo:hover{color:var(--primary)}.site-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.site-nav a{padding:6px 14px;border:0;border-radius:999px;color:var(--on-surface-variant);font-size:.92rem;transition:color .15s ease,background .15s ease}.site-nav a:hover{color:var(--on-primary-container);background:color-mix(in srgb,var(--primary-container) 55%,transparent)}.site-nav a.active{color:var(--on-primary-container);background:var(--primary-container)}.site-nav .nav-icon-link{display:inline-flex;padding:7px}.site-nav .nav-icon-link svg{display:block}.nav-toggle{display:none;margin-left:auto;padding:8px;border:1px solid var(--outline);border-radius:var(--radius-s);background:var(--surface-bright);color:var(--on-surface);cursor:pointer}@media(max-width:760px){.nav-toggle{display:inline-flex}.site-nav{display:none;position:absolute;top:var(--header-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:10px 14px 14px;background:color-mix(in srgb,var(--surface-bright) 97%,transparent);border-bottom:1px solid var(--outline-variant)}.site-nav.open{display:flex}.site-nav a{padding:10px 12px}}.site-footer{position:relative;z-index:1;border-top:1px solid var(--outline-variant);padding:36px 0 44px;color:var(--on-surface-dim);font-size:.88rem;background:color-mix(in srgb,var(--surface-container) 60%,transparent)}.site-footer .container{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start;justify-content:space-between}.site-footer .footer-note{max-width:46ch}.site-footer .footer-note p{margin:6px 0}.site-footer .footer-links{display:flex;flex-direction:column;gap:8px}.site-footer .footer-links a{border:0;color:var(--on-surface-variant)}.site-footer .footer-links a:hover{color:var(--primary)}.hero{position:relative;padding:96px 0 72px;text-align:center;overflow:hidden}.hero:before{content:"";position:absolute;inset:0 -60px;background:radial-gradient(62% 74% at 50% 48%,rgba(255,255,255,var(--halo-alpha)),transparent 76%);z-index:-1;pointer-events:none}.hero .hero-kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;padding:6px 16px;border-radius:999px;background:color-mix(in srgb,var(--primary-container) 80%,transparent);color:var(--on-primary-container);font-size:.82rem;font-weight:600;letter-spacing:.12em}.hero h1{font-size:clamp(2.1rem,9vw,3.8rem);letter-spacing:.04em}.hero .hero-slogan{margin:18px auto 0;max-width:34em;color:var(--on-surface);font-family:var(--font-serif);font-size:clamp(1.05rem,2.6vw,1.3rem)}.hero .hero-desc{margin:20px auto 0;max-width:52ch;color:var(--on-surface);font-size:.95rem}.hero .hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:34px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 24px;border:1px solid transparent;border-radius:999px;font-family:var(--font-sans);font-size:.95rem;font-weight:600;cursor:pointer;transition:transform .15s ease,background .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px color-mix(in srgb,var(--primary) 30%,transparent)}.btn-primary:hover:not(:disabled){background:color-mix(in srgb,var(--primary) 88%,#ffffff);color:#fff}.btn-ghost{background:var(--primary-container);color:var(--on-primary-container)}.btn-ghost:hover:not(:disabled){background:color-mix(in srgb,var(--primary-container) 82%,var(--primary));color:var(--on-primary-container)}.btn-sm{padding:6px 16px;font-size:.85rem}.section{margin-top:72px}.section-title{display:flex;align-items:baseline;gap:14px;margin-bottom:8px}.section-title h2{letter-spacing:.03em}.section-title .section-mark{flex:none;width:22px;height:4px;align-self:center;background:var(--primary);border-radius:2px}.section-desc{margin:0 0 28px;color:var(--on-surface-dim);font-size:.94rem}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.card{display:block;padding:22px;border:1px solid var(--outline-variant);border-radius:var(--radius-l);background:color-mix(in srgb,var(--surface-bright) 84%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:var(--on-surface);box-shadow:var(--shadow-card);transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}a.card{border-bottom-width:1px}a.card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--primary) 40%,transparent);color:var(--on-surface);box-shadow:var(--shadow-pop)}.card .card-icon{display:inline-flex;padding:9px;border-radius:var(--radius-m);background:var(--primary-container);color:var(--on-primary-container);margin-bottom:14px}.card h3{margin-bottom:8px}.card p{margin:0;color:var(--on-surface-variant);font-size:.9rem}.card .card-meta{margin-top:12px;color:var(--on-surface-dim);font-size:.8rem}.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:999px;font-size:.78rem;font-weight:600;letter-spacing:.03em;white-space:nowrap}.badge-amber{background:var(--primary-container);color:var(--on-primary-container)}.badge-green{background:var(--success-container);color:var(--on-success-container)}.badge-red{background:var(--error-container);color:var(--on-error-container)}.badge-sky{background:var(--mint-container);color:var(--on-mint-container)}.callout{display:flex;gap:12px;margin:20px 0;padding:14px 18px;border:1px solid;border-radius:var(--radius-m);font-size:.92rem}.callout p{margin:0}.callout .callout-icon{flex:none;margin-top:2px}.callout-warn{border-color:color-mix(in srgb,var(--warning) 40%,transparent);background:var(--warning-container);color:var(--on-warning-container)}.callout-danger{border-color:color-mix(in srgb,var(--error) 35%,transparent);background:var(--error-container);color:var(--on-error-container)}.callout-info{border-color:color-mix(in srgb,var(--primary) 30%,transparent);background:var(--primary-container);color:var(--on-primary-container)}.prose>*:first-child{margin-top:0}.prose h2{margin:48px 0 16px;padding-bottom:10px;border-bottom:1px solid var(--outline-variant)}.prose h3{margin:32px 0 12px}.prose p{margin:14px 0;color:var(--on-surface-variant)}.prose ul,.prose ol{margin:14px 0;padding-left:1.6em;color:var(--on-surface-variant)}.prose li{margin:6px 0}.prose li::marker{color:var(--primary)}.prose strong{color:var(--on-surface)}.prose :not(pre)>code{padding:2px 7px;border-radius:var(--radius-s);background:var(--primary-container);color:var(--on-primary-container);overflow-wrap:anywhere}.codeblock{position:relative;margin:18px 0}.codeblock pre{margin:0;padding:16px 18px;overflow-x:auto;border:1px solid var(--code-border);border-radius:var(--radius-m);background:var(--code-bg);color:var(--code-text);line-height:1.65}.codeblock .codeblock-tag{position:absolute;top:-9px;left:14px;padding:0 8px;background:var(--surface-bright);border:1px solid var(--outline);border-radius:4px;color:var(--on-surface-dim);font-size:.72rem;font-family:var(--font-mono)}.prose table{width:100%;margin:18px 0;border-collapse:collapse;font-size:.9rem}@media(max-width:640px){.prose table{display:block;overflow-x:auto}}.prose th,.prose td{padding:10px 14px;border:1px solid var(--outline-variant);text-align:left}.prose th{background:var(--surface-container);font-family:var(--font-serif);color:var(--on-surface)}.prose td{color:var(--on-surface-variant)}.field{margin-bottom:14px}.field label{display:block;margin-bottom:6px;color:var(--on-surface-variant);font-size:.85rem}.input,.field input[type=text],.field input[type=password],.field input[type=url]{width:100%;padding:10px 14px;border:1px solid var(--outline);border-radius:var(--radius-m);background:#fff;color:var(--on-surface);font-family:var(--font-mono);font-size:.9rem;transition:border-color .15s ease,box-shadow .15s ease}.input::placeholder{color:var(--on-surface-dim)}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 16%,transparent);outline:none}.checkline{display:inline-flex;align-items:center;gap:8px;color:var(--on-surface-variant);font-size:.88rem;cursor:pointer;user-select:none}.checkline input{accent-color:var(--primary)}.msg{margin-top:12px;padding:10px 14px;border-radius:var(--radius-m);font-size:.88rem;word-break:break-word}.msg:empty{display:none}.msg-info{background:var(--primary-container);color:var(--on-primary-container)}.msg-success{background:var(--success-container);color:var(--on-success-container)}.msg-error{background:var(--error-container);color:var(--on-error-container)}.panel{border:1px solid var(--outline-variant);border-radius:var(--radius-l);background:color-mix(in srgb,var(--surface-bright) 90%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:var(--shadow-pop);overflow:hidden}.panel .panel-head{display:flex;align-items:center;gap:10px;padding:14px 20px;border-bottom:1px solid var(--outline-variant);background:color-mix(in srgb,var(--surface-container) 70%,transparent);font-family:var(--font-serif);font-weight:700}.panel .panel-body{padding:20px}.panel .panel-body>*:first-child{margin-top:0}.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;margin:12px 0;font-size:.9rem}.kv dt{color:var(--on-surface-dim)}.kv dd{margin:0;color:var(--on-surface);word-break:break-all}.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.result-json{margin-top:12px;padding:12px 14px;max-height:320px;overflow:auto;border-radius:var(--radius-m);background:var(--code-bg);border:1px solid var(--code-border);color:#a9e3bd;font-family:var(--font-mono);font-size:.82rem;white-space:pre-wrap;word-break:break-all}.result-json:empty{display:none}.steps{counter-reset:step;display:grid;gap:14px;margin:0;padding:0;list-style:none}.steps li{counter-increment:step;display:flex;gap:16px;padding:18px 20px;border:1px solid var(--outline-variant);border-radius:var(--radius-l);background:color-mix(in srgb,var(--surface-bright) 84%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.steps li:before{content:counter(step,cjk-ideographic);flex:none;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--primary-container);color:var(--on-primary-container);font-family:var(--font-serif)}.steps h3{margin-bottom:6px}.steps p{margin:0;color:var(--on-surface-variant);font-size:.92rem}.tool-item{display:flex;gap:14px;align-items:flex-start}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}.backdrop[data-astro-cid-2id6qcbw]{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;--veil-top: 0;--veil-mid1: 0;--veil-mid2: 0;--veil-bottom: .33}.backdrop[data-astro-cid-2id6qcbw]{background:radial-gradient(90% 70% at 15% 0%,rgba(29,143,208,.1),transparent 60%),radial-gradient(80% 60% at 90% 100%,rgba(53,163,134,.08),transparent 65%),linear-gradient(180deg,#f7fafb,#f5f8f9)}.backdrop[data-astro-cid-2id6qcbw] img[data-astro-cid-2id6qcbw],.backdrop[data-astro-cid-2id6qcbw] video[data-astro-cid-2id6qcbw]{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:var(--bg-position)}.backdrop[data-astro-cid-2id6qcbw] video[data-astro-cid-2id6qcbw]{opacity:0;transition:opacity .8s ease}.backdrop[data-astro-cid-2id6qcbw] video[data-astro-cid-2id6qcbw].ready{opacity:1}.backdrop[data-astro-cid-2id6qcbw]:before{content:"";position:absolute;inset:0;background:rgba(246,249,250,var(--bg-dim))}.backdrop[data-astro-cid-2id6qcbw]:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(246,249,250,var(--veil-top)),rgba(246,249,250,var(--veil-mid1)) 22%,rgba(246,249,250,var(--veil-mid2)) 55%,rgba(246,249,250,var(--veil-bottom)))}