:root{--bg: #0a1218;--bg2: #0e1a24;--bg3: #142030;--card: #121c28;--border: #1e2e3e;--teal: #2ec4a9;--teal-dim: #1a8a78;--tx: #e4eaf0;--tm: #8a9aaa;--tx2: #c0ccda;--accent: #38d9b8;--grad1: linear-gradient(155deg, #16323f 0%, #0e2530 45%, #0a1a22 100%);--mono: "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, monospace;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--radius: 12px;--max-w: 1200px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px;-webkit-font-smoothing:antialiased}body{font-family:var(--sans);background:var(--bg);color:var(--tx);line-height:1.6;overflow-x:hidden}a{color:var(--teal);text-decoration:none}a:hover{color:var(--accent)}img{max-width:100%;display:block}.nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 40px;height:64px;background:#0a1218d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--tx);font-family:var(--mono)}.nav-logo .dot{color:var(--teal)}.nav-links{display:flex;gap:32px;list-style:none}.nav-links a{color:var(--tm);font-size:14px;transition:color .2s}.nav-links a:hover{color:var(--teal)}section{padding:100px 40px;max-width:var(--max-w);margin:0 auto}.section-title{font-size:32px;font-weight:700;text-align:center;margin-bottom:16px}.section-sub{text-align:center;color:var(--tm);font-size:16px;max-width:600px;margin:0 auto 56px}.hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding-top:64px;background:var(--grad1);position:relative;overflow:hidden}.hero:before{content:"";position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(46,196,169,.08) 0%,transparent 70%);top:20%;left:50%;transform:translate(-50%);pointer-events:none}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:20px;border:1px solid var(--border);background:#2ec4a90f;color:var(--teal);font-size:13px;font-family:var(--mono);margin-bottom:32px}.hero h1{font-size:52px;font-weight:800;line-height:1.2;margin-bottom:20px;background:linear-gradient(135deg,#e4eaf0 30%,#2ec4a9);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-sub{font-size:20px;color:var(--tm);max-width:560px;margin-bottom:40px;line-height:1.7}.hero-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:10px;background:var(--teal);color:#0a1218;font-size:16px;font-weight:600;border:none;cursor:pointer;transition:all .2s;text-decoration:none}.btn-primary:hover{background:var(--accent);color:#0a1218;transform:translateY(-1px);box-shadow:0 8px 24px #2ec4a940}.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:10px;background:transparent;color:var(--tx);font-size:16px;font-weight:500;border:1px solid var(--border);cursor:pointer;transition:all .2s;text-decoration:none}.btn-secondary:hover{border-color:var(--teal);color:var(--teal)}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;transition:all .25s}.feature-card:hover{border-color:var(--teal-dim);transform:translateY(-4px);box-shadow:0 12px 32px #0000004d}.feature-icon{width:48px;height:48px;border-radius:10px;background:#2ec4a91a;display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:22px;color:var(--teal)}.feature-card h3{font-size:18px;margin-bottom:10px;color:var(--tx)}.feature-card p{font-size:14px;color:var(--tm);line-height:1.7}.screenshots{background:var(--bg2);padding:100px 40px}.screenshots-inner{max-width:var(--max-w);margin:0 auto}.screen-tabs{display:flex;gap:8px;justify-content:center;margin-bottom:32px;flex-wrap:wrap}.screen-tab{padding:8px 20px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--tm);font-size:14px;cursor:pointer;transition:all .2s}.screen-tab.active,.screen-tab:hover{background:#2ec4a91a;border-color:var(--teal);color:var(--teal)}.screen-frame{border-radius:var(--radius);border:1px solid var(--border);background:var(--bg);overflow:hidden;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;position:relative}.screen-placeholder{color:var(--tm);font-size:14px;font-family:var(--mono);text-align:center;padding:40px}.screen-mock{width:100%;height:100%;display:flex;flex-direction:column}.screen-titlebar{height:32px;background:var(--bg3);display:flex;align-items:center;padding:0 12px;gap:6px;border-bottom:1px solid var(--border)}.screen-dot{width:10px;height:10px;border-radius:50%;background:var(--border)}.screen-dot:nth-child(1){background:#ff5f57}.screen-dot:nth-child(2){background:#febc2e}.screen-dot:nth-child(3){background:#28c840}.screen-body{flex:1;display:flex}.screen-sidebar{width:180px;background:var(--bg2);border-right:1px solid var(--border);padding:12px 8px}.screen-sidebar-item{padding:6px 10px;border-radius:6px;font-size:12px;color:var(--tm);font-family:var(--mono);margin-bottom:2px}.screen-sidebar-item.active{background:#2ec4a91f;color:var(--teal)}.screen-main{flex:1;padding:16px;font-family:var(--mono);font-size:12px;color:var(--tx2);line-height:1.8;overflow:hidden}.screen-main .kw{color:#c792ea}.screen-main .fn{color:#82aaff}.screen-main .str{color:#c3e88d}.screen-main .num{color:#f78c6c}.screen-main .cm{color:#546e7a}.screen-main .tbl{color:#ffcb6b}.download{background:var(--grad1);text-align:center}.download-cards{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}.dl-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 40px;min-width:240px;text-align:center;transition:all .25s}.dl-card:hover{border-color:var(--teal);transform:translateY(-2px)}.dl-card .os-icon{font-size:36px;margin-bottom:12px}.dl-card h3{font-size:18px;margin-bottom:6px}.dl-card .version{font-size:13px;color:var(--tm);font-family:var(--mono);margin-bottom:16px}.dl-btn{display:inline-block;padding:10px 28px;border-radius:8px;background:var(--teal);color:#0a1218;font-weight:600;font-size:14px;transition:all .2s;text-decoration:none}.dl-btn:hover{background:var(--accent);color:#0a1218}.steps{display:flex;gap:32px;justify-content:center;margin-top:48px;flex-wrap:wrap}.step{text-align:center;max-width:220px}.step-num{width:40px;height:40px;border-radius:50%;background:#2ec4a91f;color:var(--teal);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;font-family:var(--mono);margin:0 auto 12px}.step h4{font-size:15px;margin-bottom:6px}.step p{font-size:13px;color:var(--tm)}.footer{border-top:1px solid var(--border);padding:40px;text-align:center;color:var(--tm);font-size:13px}.footer-links{display:flex;gap:24px;justify-content:center;margin-bottom:16px}.footer-links a{color:var(--tm);font-size:13px}.footer-links a:hover{color:var(--teal)}@media(max-width:768px){.hero h1{font-size:32px}.hero-sub{font-size:16px}.features-grid{grid-template-columns:1fr}.nav{padding:0 20px}.nav-links{gap:16px}section{padding:60px 20px}.screen-sidebar{display:none}}@media(max-width:480px){.hero h1{font-size:26px}.hero-actions{flex-direction:column}.download-cards{flex-direction:column;align-items:center}}