:root{color-scheme:dark;--bg:#0c0c16;--panel:#171725;--line:#34344c;--text:#f6f4ff;--muted:#a09db5;--accent:#7864ff;--accent-2:#a668ff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:radial-gradient(circle at 82% 13%,#6f46d523,transparent 31%),radial-gradient(circle at 8% 25%,#4934ac18,transparent 27%),var(--bg);color:var(--text);font:15px/1.65 Inter,"Microsoft YaHei",sans-serif}
.topbar{position:sticky;z-index:20;top:0;min-height:68px;display:flex;align-items:center;gap:22px;padding:9px max(20px,calc((100vw - 1380px)/2));border-bottom:1px solid #ffffff10;background:#0c0c16f2;backdrop-filter:blur(18px)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-size:19px;font-weight:800;text-decoration:none}.brand-logo{display:block;width:36px;height:36px;border-radius:10px;object-fit:cover;box-shadow:0 8px 28px #287de14d}
.top-message{min-width:0;display:flex;flex:1;align-items:center;justify-content:center;gap:18px}.top-message h1{margin:0;color:var(--text);font-size:18px;line-height:1.2;letter-spacing:-.02em;white-space:nowrap}.top-message h1 em{color:#ac88ff;font-style:normal}.top-message p{min-width:0;margin:0;overflow:hidden;color:var(--muted);font-size:12px;text-overflow:ellipsis;white-space:nowrap}.top-actions{flex:0 0 auto}.top-download{display:inline-flex;align-items:center;justify-content:center;min-width:140px;padding:10px 17px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-weight:800;text-decoration:none;box-shadow:0 8px 26px #6e56ff42}
main{width:min(1380px,calc(100% - 44px));margin:0 auto;padding-top:24px}
.button{min-width:184px;display:inline-flex;align-items:center;justify-content:center;padding:13px 24px;border-radius:11px;color:#fff;font-weight:800;text-decoration:none}.button.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 12px 34px #6e56ff48}.button.primary:hover,.top-download:hover{filter:brightness(1.08);transform:translateY(-1px)}.button.secondary{border:1px solid var(--line);background:#ffffff08}.button.disabled,.top-download.disabled{pointer-events:none;opacity:.65}.hidden{display:none!important}
.shot-card{margin:0;overflow:hidden;border:1px solid #ffffff20;border-radius:17px;background:var(--panel);box-shadow:0 28px 80px #000a,0 0 70px #7757ff18}.shot-card img{display:block;width:100%;height:auto}.main-showcase{display:block;width:100%;padding-bottom:28px}.main-shot{display:block;width:min(1120px,100%);margin:0 auto}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:28px 0 86px}.features article{padding:24px;border:1px solid var(--line);border-radius:15px;background:linear-gradient(145deg,#1a1a2a,#141420)}.features article>span{color:#9383fb;font-weight:800}.features h2{margin:13px 0 6px;font-size:19px}.features p{margin:0;color:var(--muted)}
.artifact-showcase{padding:30px 0 58px;text-align:center}.section-copy{max-width:650px;margin:0 auto 24px}.section-copy h2{margin:10px 0 9px;font-size:clamp(30px,3vw,42px);letter-spacing:-.03em}.section-copy p{margin:0;color:var(--muted);font-size:16px}.artifact-shot{width:min(1120px,100%);margin:0 auto}
.bottom-cta{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-bottom:86px;padding:30px 34px;border:1px solid #514785;border-radius:18px;background:linear-gradient(135deg,#282242,#191827)}.bottom-cta h2{margin:0 0 4px}.bottom-cta p{margin:0;color:var(--muted)}footer{padding:24px;border-top:1px solid #ffffff10;color:#77748e;text-align:center}
@media(max-width:960px){.topbar{gap:14px}.top-message{justify-content:flex-start}.top-message p{max-width:220px}.top-download{min-width:126px}}
@media(max-width:700px){.top-message p{display:none}.top-message h1{font-size:14px;white-space:normal}.brand>span:last-child{display:none}main{width:min(100% - 28px,1240px)}.features{grid-template-columns:1fr;padding-bottom:66px}.artifact-showcase{padding:64px 0 70px}.bottom-cta{flex-direction:column;padding:26px 22px;text-align:center}}
@media(max-width:480px){.topbar{min-height:58px}.top-message{display:none}.top-download{min-width:118px}.button{width:100%}}