:root{--background: 40 30% 97.5%;--foreground: 215 28% 16%;--card: 0 0% 100%;--card-foreground: 215 28% 16%;--primary: 188 52% 30%;--primary-foreground: 40 33% 99%;--primary-hover: 188 54% 25%;--secondary: 40 20% 96.5%;--muted: 40 20% 96.5%;--muted-foreground: 215 16% 37%;--border: 215 28% 16% / .1;--sage: #6f9079;--sage-deep: #4f6e5b;--sage-soft: #e6eee6;--clay: #d3805d;--clay-deep: #b5613f;--clay-soft: #f7e4d8;--shadow-sm: 0 2px 8px rgba(74, 60, 38, .06);--shadow-md: 0 18px 44px -22px rgba(74, 60, 38, .32);--maxw: 1180px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:90px;-webkit-font-smoothing:antialiased}body{font-family:IBM Plex Sans,ui-sans-serif,system-ui,sans-serif;background:hsl(var(--background));color:hsl(var(--foreground));line-height:1.6;font-size:16px;overflow-x:hidden;position:relative}body:after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:9999;opacity:.4;mix-blend-mode:multiply;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.22'/%3E%3C/svg%3E")}::selection{background:var(--clay-soft);color:var(--clay-deep)}h1,h2,h3{font-weight:600;letter-spacing:-.02em;line-height:1.1}a{color:inherit;text-decoration:none}code{font-family:IBM Plex Mono,ui-monospace,monospace}.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}.eyebrow,.foot-col h4{font-size:13px;font-weight:500;letter-spacing:.025em;text-transform:uppercase}.eyebrow{color:var(--clay-deep);display:inline-flex;align-items:center;gap:8px}.eyebrow:before{content:"";width:22px;height:1.5px;background:var(--clay);display:inline-block}.btn{display:inline-flex;align-items:center;gap:8px;font-family:inherit;font-weight:500;font-size:15px;height:36px;padding:8px 16px;border-radius:6px;border:1px solid transparent;cursor:pointer;transition:background .2s,color .2s;white-space:nowrap}.btn-primary{background:hsl(var(--primary));color:hsl(var(--primary-foreground))}.btn-primary:hover{background:hsl(var(--primary-hover))}.btn-ghost{background:transparent;color:hsl(var(--foreground));border-color:hsl(var(--border))}.btn-ghost:hover{border-color:hsl(var(--foreground));background:#ffffff80}.btn svg{width:17px;height:17px}header.nav{position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:hsl(var(--background) / .72);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}header.nav.scrolled{border-bottom-color:hsl(var(--border));background:hsl(var(--background) / .9)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px}.brand{display:flex;align-items:center;gap:12px;font-weight:600;font-size:24px;letter-spacing:-.02em}.brand .logo{width:30px;height:30px;color:hsl(var(--primary))}.nav-links{display:flex;gap:32px;align-items:center}.nav-links a{font-size:15px;font-weight:500;color:hsl(var(--muted-foreground));transition:color .2s;position:relative}.nav-links a:after{content:"";position:absolute;left:0;bottom:-5px;height:1.5px;width:0;background:var(--clay);transition:width .25s}.nav-links a:hover{color:hsl(var(--foreground))}.nav-links a:hover:after{width:100%}.nav-actions{display:flex;align-items:center;gap:16px}.nav-actions .login{font-size:15px;font-weight:600;color:hsl(var(--foreground))}.nav-actions .login:hover{color:hsl(var(--primary))}.nav-menu{display:none}.nav-menu summary{list-style:none;width:44px;height:44px;padding:0;justify-content:center}.nav-menu summary::-webkit-details-marker{display:none}.nav-menu-panel{position:absolute;top:100%;left:0;right:0;display:flex;flex-direction:column;max-height:calc(100vh - 76px);overflow-y:auto;padding:8px 28px 16px;background:hsl(var(--background));border-bottom:1px solid hsl(var(--border));box-shadow:var(--shadow-md)}.nav-menu-panel a{padding:12px 0;font-size:15px;font-weight:500;color:hsl(var(--muted-foreground))}.nav-menu-panel a:hover{color:hsl(var(--foreground))}.page-head{position:relative;overflow:hidden;padding:84px 0 64px}.page-head .blob{position:absolute;border-radius:50%;filter:blur(64px);opacity:.5;z-index:0}.page-head .blob.a{width:420px;height:420px;background:var(--sage-soft);top:-180px;right:-120px}.page-head .blob.b{width:360px;height:360px;background:var(--clay-soft);top:-60px;left:-160px;opacity:.4}.page-head .inner{position:relative;z-index:2;max-width:760px;margin-inline:auto}.page-head h1{font-size:clamp(40px,5.2vw,60px);margin:0}.page-head .sub{font-size:18px;color:hsl(var(--muted-foreground));margin-top:20px;max-width:620px}.page-head .updated{margin-top:20px;font-size:13px;color:hsl(var(--muted-foreground));font-weight:600;letter-spacing:.02em}.breadcrumb{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:hsl(var(--muted-foreground));margin-bottom:16px}.breadcrumb a{color:hsl(var(--muted-foreground))}.breadcrumb a:hover{color:hsl(var(--primary))}.breadcrumb svg{width:13px;height:13px;opacity:.7}.breadcrumb .here{color:hsl(var(--muted-foreground));font-weight:600}.notice{display:flex;align-items:flex-start;gap:12px;background:var(--clay-soft);border:1px solid #eccab6;color:var(--clay-deep);border-radius:16px;padding:16px;margin:0 auto 44px;font-size:15px;font-weight:600;max-width:760px}.notice svg{width:20px;height:20px;flex-shrink:0;margin-top:1px}.notice span{font-weight:500;color:#8a5238}.content{padding:8px 0 100px}.prose{max-width:760px;margin-inline:auto}.prose .block{padding:24px 0;border-top:1px solid hsl(var(--border))}.prose .block:first-of-type{border-top:none;padding-top:0}.prose h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:16px;display:flex;align-items:baseline;gap:12px}.prose h2 .num{font-size:15px;font-weight:700;color:var(--clay-deep)}.prose h3{font-size:18px;margin:20px 0 8px}.prose p{color:hsl(var(--muted-foreground));font-size:16px;margin-bottom:16px}.prose p:last-child{margin-bottom:0}.prose ul{list-style:none;display:grid;gap:8px;margin:8px 0 16px}.prose li{display:flex;gap:12px;align-items:flex-start;font-size:16px;color:hsl(var(--muted-foreground))}.prose li:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--sage);margin-top:8px;flex-shrink:0}.ph{color:hsl(var(--muted-foreground));font-style:italic}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:8px 0 16px}.card{background:hsl(var(--card));border:1px solid hsl(var(--border));border-radius:8px;padding:24px}.card .ci{width:46px;height:46px;border-radius:13px;background:hsl(var(--primary) / .1);display:flex;align-items:center;justify-content:center;margin-bottom:16px}.card:nth-child(2) .ci{background:var(--sage-soft)}.card:nth-child(2) .ci svg{color:var(--sage-deep)}.card:nth-child(3) .ci{background:var(--clay-soft)}.card:nth-child(3) .ci svg{color:var(--clay-deep)}.card .ci svg{width:23px;height:23px;color:hsl(var(--primary))}.card h3{font-size:18px;margin:0 0 8px}.card p{font-size:15px;color:hsl(var(--muted-foreground))}.contact{margin:48px auto 0;background:linear-gradient(155deg,#fff4ea,#eef3ee);border:1px solid hsl(var(--border));border-radius:8px;padding:40px;max-width:760px}.contact h2{font-size:24px;margin-bottom:8px}.contact p{color:hsl(var(--muted-foreground));margin-bottom:20px}.contact .btn{height:44px;padding:8px 32px}footer{background:hsl(var(--secondary));border-top:1px solid hsl(var(--border));padding:64px 0 32px}.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}.foot-brand p{color:hsl(var(--muted-foreground));font-size:15px;margin-top:16px;max-width:280px}.foot-col h4{color:hsl(var(--muted-foreground));margin-bottom:16px}.foot-col a{display:block;color:hsl(var(--muted-foreground));font-size:15px;margin-bottom:12px;transition:color .2s}.foot-col a:hover{color:hsl(var(--primary))}.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-top:52px;padding-top:24px;border-top:1px solid hsl(var(--border));font-size:13px;color:hsl(var(--muted-foreground))}@media(max-width:940px){.cards{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr 1fr;gap:32px}.nav-links{display:none}.nav-menu{display:block}}@media(max-width:560px){.wrap{padding:0 20px}.page-head{padding:60px 0 48px}.nav-inner{height:66px}.brand{font-size:20px}.nav-actions{gap:8px}.nav-actions .login{display:none}.nav-menu-panel{padding:8px 20px 16px;max-height:calc(100vh - 66px)}.contact,.notice{padding:24px 20px}.foot-grid{grid-template-columns:1fr 1fr;gap:28px}}@media(max-width:359px){.nav-actions .btn-primary{width:min-content;height:auto;white-space:normal;text-align:center;line-height:1.15;padding:8px 12px}}