:root{--ink: #0b1520;--ink-soft: #152433;--fog: #f2f5f8;--fog-muted: #c5d0db;--amber: #3eb6f0;--amber-bright: #6dceff;--steel: #8aa0b4;--line: rgba(242, 245, 248, .12);--font-display: "Noto Serif SC", "Songti SC", serif;--font-body: "IBM Plex Sans", "Noto Sans SC", sans-serif;--ease: cubic-bezier(.22, 1, .36, 1)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--fog);background:var(--ink);font-family:var(--font-body);font-weight:400;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-header{position:fixed;inset:0 0 auto;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:1.1rem clamp(1.25rem,4vw,3rem);background:linear-gradient(180deg,#0b1520eb,#0b152000);-webkit-backdrop-filter:blur(0px);backdrop-filter:blur(0px);transition:background .35s var(--ease),backdrop-filter .35s var(--ease)}.site-header.is-scrolled{background:#0b1520e0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--font-display);font-size:1.15rem;font-weight:600;letter-spacing:.04em}.brand img{width:2rem;height:2rem;border-radius:.45rem;object-fit:cover}.nav{display:flex;gap:1.5rem;align-items:center;font-size:.92rem;color:var(--fog-muted)}.nav a{position:relative;transition:color .25s var(--ease)}.nav a:after{content:"";position:absolute;left:0;bottom:-.25rem;width:100%;height:1px;background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}.nav a:hover,.nav a[aria-current=page]{color:var(--fog)}.nav a:hover:after,.nav a[aria-current=page]:after{transform:scaleX(1)}.hero{position:relative;min-height:100vh;min-height:100dvh;display:grid;align-items:end;overflow:hidden;isolation:isolate}.hero__media{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-2;background:linear-gradient(120deg,#0b15208c 10%,#0b152033 45%,#0b1520bf),url(https://images.unsplash.com/photo-1492144534655-ae79c964c9d7?auto=format&fit=crop&w=2400&q=80) center / cover no-repeat;transform:scale(1.04);animation:heroDrift 18s var(--ease) infinite alternate}.hero__veil{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;background:radial-gradient(ellipse 80% 50% at 70% 40%,rgba(62,182,240,.2),transparent 55%),linear-gradient(180deg,transparent 35%,rgba(11,21,32,.95) 92%)}.hero__content{padding:clamp(6rem,18vh,10rem) clamp(1.25rem,4vw,3rem) clamp(3rem,8vh,5rem);max-width:42rem}.hero__brand{margin:0 0 1rem;font-family:var(--font-display);font-size:clamp(2.8rem,8vw,4.6rem);font-weight:600;line-height:1.08;letter-spacing:.06em;opacity:0;transform:translateY(18px);animation:riseIn .9s var(--ease) .15s forwards}.hero__lead{margin:0 0 2rem;max-width:28rem;color:var(--fog-muted);font-size:clamp(1rem,2.2vw,1.15rem);opacity:0;transform:translateY(18px);animation:riseIn .9s var(--ease) .32s forwards}.hero__actions{display:flex;flex-wrap:wrap;gap:.85rem;opacity:0;transform:translateY(18px);animation:riseIn .9s var(--ease) .48s forwards}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:2.85rem;padding:0 1.35rem;border:1px solid transparent;font-family:var(--font-body);font-size:.95rem;cursor:pointer;transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease)}.btn:active{transform:translateY(1px)}.btn--primary{background:var(--amber);color:#041018;font-weight:560}.btn--primary:hover{background:var(--amber-bright)}.btn--ghost{border-color:#f2f5f847;color:var(--fog);background:transparent}.btn--ghost:hover{border-color:var(--fog)}button.btn{font:inherit;cursor:pointer}.download-dialog{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;display:grid;place-items:center;padding:1.25rem;background:#040a10b8;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.download-dialog[hidden]{display:none}.download-dialog__panel{position:relative;width:min(100%,22rem);padding:1.75rem 1.5rem 1.5rem;text-align:center;color:var(--fog);background:var(--ink-soft);border:1px solid var(--line);border-radius:.2rem}.download-dialog__close{position:absolute;top:.55rem;right:.7rem;margin:0;padding:.2rem .45rem;border:0;background:transparent;color:var(--steel);font-size:1.5rem;line-height:1;cursor:pointer}.download-dialog__close:hover{color:var(--fog)}.download-dialog__title{margin:0 0 .65rem;font-family:var(--font-display);font-size:1.25rem;font-weight:600;letter-spacing:.03em}.download-dialog__status{margin:0 0 1rem;color:var(--steel);font-size:.92rem;min-height:2.8em}.download-dialog__qr{display:block;width:220px;height:220px;margin:0 auto 1rem;background:var(--fog)}.download-dialog__link{display:inline-block;color:var(--amber-bright);font-size:.92rem;text-decoration:underline;text-underline-offset:.18em}.download-dialog__link:hover{color:var(--fog)}.section{padding:clamp(3.5rem,9vw,6.5rem) clamp(1.25rem,4vw,3rem)}.section--fog{color:var(--ink);background:var(--fog)}.section__inner{max-width:68rem;margin:0 auto}.section__title{margin:0 0 .85rem;font-family:var(--font-display);font-size:clamp(1.75rem,4vw,2.35rem);font-weight:600;letter-spacing:.03em;line-height:1.25}.section__text{margin:0;max-width:36rem;color:#4a5b6b;font-size:1.05rem}.feature-list{margin:2.5rem 0 0;padding:0;list-style:none;display:grid;gap:1.75rem}@media(min-width:800px){.feature-list{grid-template-columns:repeat(3,1fr);gap:2.5rem}}.feature-list h3{margin:0 0 .45rem;font-family:var(--font-display);font-size:1.2rem;font-weight:600}.feature-list p{margin:0;color:#556778;font-size:.98rem}.cta-band{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:1.5rem;padding:clamp(2.5rem,6vw,4rem) clamp(1.25rem,4vw,3rem);background:var(--ink-soft);border-top:1px solid var(--line)}.cta-band p{margin:.4rem 0 0;color:var(--steel);max-width:28rem}.site-footer{padding:2rem clamp(1.25rem,4vw,3rem) 2.75rem;border-top:1px solid var(--line);color:var(--steel);font-size:.9rem}.site-footer__inner{max-width:68rem;margin:0 auto;display:flex;flex-wrap:wrap;gap:1rem 2rem;justify-content:space-between}.site-footer a:hover{color:var(--fog)}.page-hero{padding:7.5rem clamp(1.25rem,4vw,3rem) 2.5rem;background:radial-gradient(ellipse 60% 80% at 100% 0%,rgba(62,182,240,.18),transparent 50%),linear-gradient(180deg,var(--ink-soft),var(--ink));border-bottom:1px solid var(--line)}.page-hero h1{margin:0 0 .6rem;font-family:var(--font-display);font-size:clamp(2rem,5vw,2.8rem);font-weight:600;letter-spacing:.04em}.page-hero p{margin:0;color:var(--steel)}.doc{color:#243442;background:var(--fog);padding:clamp(2.5rem,6vw,4rem) clamp(1.25rem,4vw,3rem) 5rem}.doc__inner{max-width:46rem;margin:0 auto}.doc h2{margin:2.4rem 0 .75rem;font-family:var(--font-display);font-size:1.35rem;font-weight:600}.doc h2:first-child{margin-top:0}.doc p,.doc li{color:#3d4f5f;font-size:.98rem}.doc ul{padding-left:1.2rem}.doc a{color:#1a6f9a;text-decoration:underline;text-underline-offset:.18em}.meta-note{margin-top:2.5rem;padding-top:1.25rem;border-top:1px solid #d5dee7;color:#6a7b8c;font-size:.88rem}@keyframes riseIn{to{opacity:1;transform:translateY(0)}}@keyframes heroDrift{0%{transform:scale(1.04) translateZ(0)}to{transform:scale(1.08) translate3d(-1.2%,-.8%,0)}}@media(prefers-reduced-motion:reduce){.hero__media,.hero__brand,.hero__lead,.hero__actions{animation:none;opacity:1;transform:none}}