@charset "UTF-8";
:root{color-scheme:light;--bg:#f7f8fa;--panel:#fff;--ink:#182234;--muted:#616e80;--line:#dfe5ed;--blue:#275fe9;--soft:#eaf0ff;--grid:rgba(72,100,151,.065);--shadow:0 18px 60px #273e7010}
:root[data-theme=dark]{color-scheme:dark;--bg:#10151e;--panel:#171e29;--ink:#e7edf6;--muted:#9daabc;--line:#2a3545;--blue:#8aaaff;--soft:#223250;--grid:rgba(143,171,217,.06);--shadow:0 18px 60px #0002}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#10151e;--panel:#171e29;--ink:#e7edf6;--muted:#9daabc;--line:#2a3545;--blue:#8aaaff;--soft:#223250;--grid:rgba(143,171,217,.06);--shadow:0 18px 60px #0002}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:5px}::selection{background:var(--soft);color:var(--blue)}.container{max-width:1160px;margin:auto;padding:0 40px}.skip{position:fixed;top:-60px;left:20px;z-index:10;padding:12px;background:var(--panel)}.skip:focus{top:12px}.header{border-bottom:1px solid var(--line);background:var(--bg)}.nav{height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:700;letter-spacing:-.5px}.mark{display:grid;place-items:center;background:var(--ink);color:var(--bg);height:32px;width:32px;border-radius:9px;font-size:17px}.nav-links{display:flex;align-items:center;gap:29px;font-size:13px;color:var(--muted)}.nav-links a:hover{color:var(--blue)}.theme{width:36px;height:36px;display:grid;place-items:center;background:var(--panel);border:1px solid var(--line);border-radius:50%;color:var(--ink);cursor:pointer}.theme svg{width:17px;height:17px}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:center;padding-top:83px;padding-bottom:70px}.eyebrow,.mono{font-family:"Cascadia Code",Consolas,monospace}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--muted);display:flex;gap:12px;align-items:center}.eyebrow:before{content:"";width:22px;height:2px;background:var(--blue)}h1{font-size:clamp(60px,6.8vw,86px);letter-spacing:-5px;line-height:1.1;margin:22px 0 20px;font-weight:700}.subtitle{font-size:20px;font-weight:500;letter-spacing:1px;margin:0 0 23px}.intro{font-size:14px;line-height:2;color:var(--muted);max-width:430px;margin:0}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.button{display:inline-flex;gap:21px;align-items:center;justify-content:center;min-height:43px;padding:10px 18px;border-radius:7px;border:1px solid var(--line);font-size:13px;background:var(--panel);transition:transform .2s,border-color .2s}.button:hover{transform:translateY(-2px);border-color:var(--blue)}.button.primary{background:var(--blue);color:var(--bg);border-color:var(--blue)}.hero-note{font-size:10px;color:var(--muted);letter-spacing:1px;margin-top:25px}.architecture{border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);background-color:var(--panel);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:22px 22px;overflow:hidden;transform:rotate(-2deg)}.diagram-top{height:46px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--line);font-size:10px;color:var(--muted);letter-spacing:1.4px;background:var(--panel)}.dots{display:flex;gap:5px}.dots i{width:5px;height:5px;background:var(--line);border-radius:50%}.diagram-body{padding:28px 27px}.layer{padding:15px 17px;background:var(--panel);border:1px solid var(--line);border-radius:7px;display:flex;align-items:center;gap:15px}.layer-icon{height:34px;width:34px;border-radius:7px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font:15px Consolas,monospace}.layer strong{font-size:13px;font-weight:600;display:block}.layer small{font:10px Consolas,monospace;display:block;color:var(--muted);margin-top:6px}.layer .num{margin-left:auto;color:var(--muted);font:10px Consolas,monospace}.connector{height:21px;border-left:1px dashed var(--blue);margin-left:33px}.diagram-foot{display:flex;justify-content:space-between;margin-top:23px;font-size:9px;letter-spacing:.6px;color:var(--muted)}.diagram-foot span:first-child{color:var(--blue)}.language-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;gap:25px;align-items:center;padding:19px 0;font:11px Consolas,monospace;letter-spacing:1px;color:var(--muted)}.language-strip .label{margin-right:auto;font-family:inherit;font-size:10px;letter-spacing:1.5px}.language-strip b{font-weight:400;color:var(--ink)}section.content{padding-top:70px}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px;gap:20px}.section-index{font:10px Consolas,monospace;letter-spacing:2px;color:var(--blue);margin-bottom:12px}h2{font-size:28px;letter-spacing:-1px;margin:0;font-weight:600}.section-heading>p{font-size:12px;color:var(--muted);margin:0 0 4px}.stack-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.stack-card{background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:27px;transition:transform .2s,border-color .2s}.stack-card:hover{transform:translateY(-3px);border-color:var(--blue)}.card-heading{display:flex;align-items:center;gap:12px}.card-icon{height:36px;width:36px;background:var(--soft);color:var(--blue);display:grid;place-items:center;border-radius:8px;font:16px Consolas,monospace}.card-heading h3{font-size:16px;margin:0}.card-heading .category{margin-left:auto;color:var(--muted);font:9px Consolas,monospace;letter-spacing:1px}.stack-card p{font-size:13px;line-height:1.9;color:var(--muted);margin:18px 0 22px;min-height:49px}.tags{display:flex;flex-wrap:wrap;gap:7px}.tag{border:1px solid var(--line);border-radius:5px;padding:7px 9px;font-size:11px;background:var(--bg);white-space:nowrap}.tag b{display:inline-block;margin-right:6px;color:var(--blue);font-family:Consolas,monospace;font-weight:600;font-size:10px}.directions{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;border-top:1px solid var(--line);padding-top:28px}.direction .number{color:var(--blue);font:11px Consolas,monospace}.direction h3{font-size:17px;margin:17px 0 11px}.direction p{font-size:13px;color:var(--muted);line-height:1.9;margin:0}.contact{margin:65px 0 53px;padding:32px 35px;border:1px solid var(--line);border-radius:11px;display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--panel)}.contact h2{font-size:23px}.contact p{font-size:13px;color:var(--muted);margin-bottom:0}.contact-actions{display:flex;gap:9px;flex-wrap:wrap}.copy-status{font-size:11px;color:var(--blue);min-height:15px;margin-top:9px}.contact-right{padding-top:24px}footer{display:flex;justify-content:space-between;gap:20px;padding:25px 0 30px;border-top:1px solid var(--line);font:10px Consolas,monospace;color:var(--muted)}footer nav{display:flex;gap:20px}footer a:hover{color:var(--blue)}
@media(min-width:800px){.architecture{animation:arrive .8s both}.hero-copy{animation:arrive .6s both}@keyframes arrive{from{translate:0 12px}to{translate:0 0}}}
@media(max-width:900px){.hero{gap:30px}.container{padding:0 28px}.hero{padding-top:60px}.nav-links{gap:20px}.card-heading .category{display:none}.subtitle{font-size:17px}.diagram-body{padding:24px 19px}}
@media(max-width:680px){.container{padding:0 22px}.nav{height:74px;gap:12px}.brand{font-size:17px}.nav-links{gap:16px}.nav-links .nav-contact{display:none}.hero{grid-template-columns:1fr;padding-top:49px;padding-bottom:37px;gap:39px}h1{font-size:65px;letter-spacing:-4px;margin-top:19px}.subtitle{font-size:18px}.intro{font-size:13px;max-width:100%}.architecture{transform:none;max-width:440px;width:100%;margin:auto}.diagram-body{padding:22px}.hero-note{margin-top:20px}.language-strip{gap:14px;flex-wrap:wrap;font-size:10px;letter-spacing:0}.language-strip .label{width:100%;font-size:9px}.section-heading{align-items:start;flex-direction:column;gap:13px;margin-bottom:22px}section.content{padding-top:47px}h2{font-size:26px}.stack-grid{grid-template-columns:1fr;gap:13px}.stack-card{padding:23px}.stack-card p{min-height:0}.directions{grid-template-columns:1fr;gap:27px}.direction{display:grid;grid-template-columns:25px 1fr;column-gap:10px}.direction .number{padding-top:5px}.direction h3{margin:0 0 9px}.direction p{grid-column:2}.contact{flex-direction:column;align-items:start;padding:26px 23px;gap:0;margin:45px 0 32px}.contact-actions{gap:8px}.contact .button{font-size:12px;padding:10px 12px;gap:10px}.contact-right{padding-top:22px}footer{flex-direction:column;font-size:9px;gap:16px}footer nav{gap:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}