:root{--primary: #6c5ce7;--primary-dark: #5a4bd1;--bg: #0f0f1a;--surface: #1a1a2e;--text: #e8e8f0;--text-dim: #a0a0b8}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.navbar{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:#0f0f1acc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:fixed;top:0;width:100%;z-index:100}.nav-logo{font-size:1.5rem;font-weight:700;color:var(--primary)}.nav-links{display:flex;gap:2rem}.nav-links a{color:var(--text-dim);transition:color .2s}.nav-links a:hover{color:var(--text)}.hero{text-align:center;padding:10rem 2rem 6rem;background:radial-gradient(ellipse at top,rgba(108,92,231,.15),transparent 60%)}.hero h1{font-size:3.5rem;margin-bottom:1rem;background:linear-gradient(135deg,var(--primary),#a29bfe);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-subtitle{font-size:1.25rem;color:var(--text-dim);margin-bottom:2.5rem}.hero-actions{display:flex;gap:1rem;justify-content:center;align-items:flex-start;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 2rem;border:0;border-radius:8px;font:inherit;font-size:1rem;font-weight:600;transition:all .2s ease;cursor:pointer}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}.download-trigger{position:relative;isolation:isolate;min-height:52px;gap:.7rem;padding:.45rem .55rem .45rem .5rem;overflow:hidden;border:1px solid rgba(255,255,255,.24);border-radius:15px;background:linear-gradient(135deg,#8577ff 0%,var(--primary) 48%,#5142c4 100%);box-shadow:0 12px 28px #5241c761,inset 0 1px #ffffff38;color:#fff;letter-spacing:.01em}.download-trigger:before{content:"";position:absolute;z-index:-1;top:-80%;left:-45%;width:55%;height:260%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);transform:rotate(18deg) translate(-180%);transition:transform .55s ease}.download-trigger:hover{background:linear-gradient(135deg,#9186ff,#7465ee 48%,#5a4bd1);box-shadow:0 16px 34px #5241c77a,inset 0 1px #ffffff4d;transform:translateY(-2px)}.download-trigger:hover:before{transform:rotate(18deg) translate(460%)}.download-trigger:active{box-shadow:0 7px 18px #5241c75c,inset 0 1px #ffffff2e;transform:translateY(0) scale(.985)}.download-trigger:focus-visible{outline:3px solid rgba(162,155,254,.35);outline-offset:4px}.download-trigger-icon,.download-trigger-chevron{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}.download-trigger-icon{width:38px;height:38px;border:1px solid rgba(255,255,255,.18);border-radius:11px;background:#ffffff21;box-shadow:inset 0 1px #ffffff1f}.download-trigger-label{padding:0 .1rem;white-space:nowrap}.download-trigger-chevron{width:30px;height:30px;margin-left:.05rem;border-left:1px solid rgba(255,255,255,.2);opacity:.85}.download-trigger-chevron svg{transition:transform .2s ease}.download-trigger.is-open .download-trigger-chevron svg{transform:rotate(180deg)}.hero-repo-link{min-height:52px;gap:.55rem;padding:.75rem 1.25rem;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:#ffffff14;color:var(--text);box-shadow:inset 0 1px #ffffff0f}.hero-repo-link:hover{transform:translateY(-2px);border-color:#ffffff38;background:#ffffff21;box-shadow:0 10px 24px #00000038}.hero-repo-link.gitee{border-color:#c81f2947;background:#c81f291f}.hero-repo-link.gitee:hover{border-color:#e0485080;background:#c81f2933}.hero-repo-link:focus-visible{outline:3px solid rgba(162,155,254,.3);outline-offset:4px}.btn-secondary{border:1px solid var(--text-dim);color:var(--text)}.btn-secondary:hover{border-color:var(--text);transform:translateY(-2px)}.features{padding:6rem 2rem;text-align:center}.features h2{font-size:2.5rem;margin-bottom:3rem}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;max-width:1000px;margin:0 auto}.feature-card{background:var(--surface);padding:2rem;border-radius:12px;border:1px solid rgba(255,255,255,.05);transition:border-color .2s,transform .2s}.feature-card:hover{border-color:var(--primary);transform:translateY(-4px)}.feature-card h3{font-size:1.25rem;margin-bottom:.75rem;color:var(--primary)}.feature-card p{color:var(--text-dim);line-height:1.6}.download-dropdown{position:relative}.download-menu{position:absolute;top:calc(100% + 8px);left:0;background:var(--surface);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:.5rem;box-shadow:0 12px 40px #0006;min-width:320px;max-height:390px;overflow-y:auto;z-index:50;animation:dropdownFadeIn .15s ease}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.download-menu-item{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.65rem .7rem;border-radius:7px;color:var(--text-dim);font-size:.9rem;font-weight:500;transition:background .15s,color .15s}.download-menu-item:hover{background:#2563eb26;color:var(--text)}.download-menu-platform{display:inline-flex;align-items:center;gap:.65rem;min-width:0}.download-menu-platform svg{flex:0 0 auto}.download-menu-badge{flex:0 0 auto;max-width:175px;overflow:hidden;padding:.18rem .55rem;border-radius:999px;background:#ffffff29;color:var(--text);font-size:.68rem;font-weight:700;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.footer{text-align:center;padding:2rem;color:var(--text-dim);font-size:.875rem}.hero-showcase{margin-top:3rem;max-width:900px;margin-left:auto;margin-right:auto}.hero-screenshot{width:100%;border-radius:12px;box-shadow:0 20px 60px #0006;border:1px solid rgba(255,255,255,.08)}.showcase{max-width:1100px;margin:0 auto;padding:4rem 2rem}.showcase-item{display:flex;align-items:center;gap:3rem;margin-bottom:5rem}.showcase-item.reverse{flex-direction:row-reverse}.showcase-text{flex:1}.showcase-text h3{font-size:1.6rem;margin-bottom:.75rem;color:var(--text)}.showcase-text p{color:var(--text-dim);line-height:1.7;font-size:1rem}.showcase-tag{display:inline-block;padding:.25rem .75rem;border-radius:20px;background:#2563eb26;color:var(--primary-light);font-size:.8rem;font-weight:600;margin-bottom:.75rem}.showcase-image{flex:1.2}.showcase-image img{width:100%;border-radius:10px;box-shadow:0 12px 40px #00000059;border:1px solid rgba(255,255,255,.06);transition:transform .3s ease,box-shadow .3s ease}.showcase-image img:hover{transform:translateY(-4px);box-shadow:0 20px 50px #00000073}@media(max-width:768px){.navbar{padding:1rem}.nav-logo{font-size:1.25rem}.hero h1{font-size:2.5rem}.hero-actions{flex-direction:column}.hero-actions .btn,.download-dropdown{width:100%}.download-menu{width:100%;min-width:0}.nav-links{gap:.75rem;font-size:.9rem}.showcase-item,.showcase-item.reverse{flex-direction:column;gap:1.5rem}.showcase-text{text-align:center}}