:root{--rz-bg: #04080f;--rz-bg-bar: #080f1d;--rz-bg-card: #0e1a2e;--rz-card-grad: linear-gradient(135deg, #0e1a2e, #112140);--rz-red: #e5282b;--rz-red-grad: linear-gradient(135deg, #e5282b, #a01a1d);--rz-blue: #4b8bf5;--rz-text: #ffffff;--rz-text-2: rgba(255, 255, 255, .55);--rz-text-body: rgba(255, 255, 255, .82);--rz-border: rgba(255, 255, 255, .07);--rz-radius: 16px;--rz-radius-lg: 20px;--column: 640px}*,*:before,*:after{box-sizing:border-box}html{color-scheme:dark;scroll-behavior:smooth}body{margin:0;background:var(--rz-bg);color:var(--rz-text);font-family:Noto Sans SC,PingFang SC,HarmonyOS Sans,Microsoft YaHei,sans-serif;font-size:16px;line-height:1.6;-webkit-text-size-adjust:100%}h1,h2,p{margin:0}button,input{font:inherit}img{display:block;max-width:100%}a{color:var(--rz-blue)}:focus-visible{outline:2px solid var(--rz-blue);outline-offset:2px}.shell{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}.main{flex:1}.column,.bar-inner{width:min(var(--column),100%);margin:0 auto;padding-left:16px;padding-right:16px}.column{padding-bottom:40px}.site-header,.site-footer{background:var(--rz-bg-bar)}.site-header{position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(255,255,255,.05);padding-top:env(safe-area-inset-top)}.bar-inner{display:flex;align-items:center;justify-content:space-between;min-height:56px;gap:12px}.brand{display:flex;align-items:center;gap:10px;color:var(--rz-text);text-decoration:none;font-size:20px;font-weight:700;letter-spacing:.06em}.brand img{width:36px;height:36px;border-radius:8px}.red{color:var(--rz-red)}.blue{color:var(--rz-blue)}.header-download{color:#fff;text-decoration:none;background:var(--rz-red-grad);border-radius:999px;padding:8px 16px;font-size:14px;min-height:36px;display:inline-flex;align-items:center}.hero{text-align:center;padding:28px 0 4px}.hero-icon{width:88px;height:88px;margin:0 auto;border-radius:22px;box-shadow:0 0 32px #e5282b47}.hero h1{margin-top:16px;font-size:26px;line-height:1.35;font-weight:700}.cards{list-style:none;padding:0;margin:20px 0 0}.card{display:flex;gap:12px;align-items:flex-start;background:var(--rz-bg-card);border:1px solid var(--rz-border);border-radius:var(--rz-radius);padding:16px;margin-top:12px}.card h2{font-size:17px}.card p{margin-top:4px;color:var(--rz-text-2);font-size:14px}.icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex:none}.icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.tone-red{color:var(--rz-red);background:#e5282b1f}.tone-blue{color:var(--rz-blue);background:#4b8bf51f}.download-card,.install{margin-top:28px}.download-card{background:var(--rz-card-grad);border:1px solid var(--rz-border);border-radius:var(--rz-radius-lg);padding:16px;scroll-margin-top:72px}.download-card h2,.install h2,.legal h1{font-size:20px}.hint,.notes{color:var(--rz-text-2);font-size:14px}.notes{margin:4px 0 12px}.notice{margin:12px 0 0;padding:10px 12px;border-radius:12px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);color:var(--rz-text-body);font-size:14px}.notice-staging{background:#e5282b1f;border-color:#e5282b59;color:#fff}.notice-release{background:#4b8bf51f;border-color:#4b8bf566;color:#fff}.meta{margin:14px 0 0;display:grid;gap:8px}.meta div{display:flex;justify-content:space-between;gap:12px}.meta dt{color:var(--rz-text-2)}.meta dd{margin:0;text-align:right}.meta .sha{display:block}.meta .sha dd{text-align:left;margin-top:4px}.mono{font-family:ui-monospace,Cascadia Mono,Consolas,monospace;overflow-wrap:anywhere}.cta{width:100%;min-height:48px;border-radius:999px;border:0;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;cursor:pointer}.cta{margin-top:16px;color:#fff;background:var(--rz-red-grad);box-shadow:0 8px 24px #e5282b47;font-weight:700}.cta:disabled{background:#243044;color:#ffffff73;box-shadow:none;cursor:not-allowed}.steps{list-style:none;padding:0;margin:12px 0 0;counter-reset:step}.steps li{counter-increment:step;display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start;margin-top:12px;color:var(--rz-text-body)}.steps li:before{content:counter(step);width:28px;height:28px;border-radius:50%;background:#e5282b26;color:var(--rz-red);display:grid;place-items:center;font-family:ui-monospace,Consolas,monospace;font-size:13px}.site-footer{border-top:1px solid rgba(255,255,255,.05);padding-bottom:env(safe-area-inset-bottom);color:var(--rz-text-2);font-size:13px;line-height:1.7}.footer-inner{display:block;padding-top:20px;padding-bottom:24px}.footer-links{display:flex;gap:16px;margin-bottom:12px}.footer-links a,.legal-nav a{text-decoration:none}.footer-links a:hover,.legal-nav a:hover,.site-footer a:hover{text-decoration:underline}.operator{color:#fff;font-size:14px;margin-bottom:4px}.legal{padding-top:20px}.legal-nav{display:flex;flex-wrap:wrap;gap:12px 16px}.legal-nav a[aria-current=page]{color:#fff}.legal h1{margin-top:16px}.legal .date{margin-top:8px;color:var(--rz-text-2);font-variant-numeric:tabular-nums}.legal h2{margin-top:22px;font-size:17px}.legal p,.legal li{margin-top:8px;color:var(--rz-text-body);line-height:1.75}.legal ul{margin:8px 0 0;padding-left:1.2em}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}