:root{--bg:#0a0e16;--card:#131b29;--card-2:#0f1622;--line:#1f2a3d;--txt:#e8eef8;--txt-2:#8b9bb4;--gold:#f0b90b;--green:#2ee6a8;--radius:14px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--txt);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:inherit;text-decoration:none}img,svg{display:block}.nav{position:sticky;top:0;z-index:200;background:rgba(10,14,22,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-inner{max-width:1180px;margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:38px}.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:.3px;white-space:nowrap}.logo-img{width:30px;height:30px}.nav-menu{display:flex;gap:30px;font-size:14.5px;color:var(--txt-2)}.nav-menu a{transition:color .2s}.nav-menu a:hover{color:var(--txt)}.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}.qr-wrap{position:relative}.qr-btn{display:flex;align-items:center;gap:8px;padding:8px 15px;font-size:14px;color:var(--txt-2);background:0 0;border:1px solid var(--line);border-radius:10px;cursor:pointer;font-family:inherit;transition:.22s}.qr-btn:hover{color:var(--txt);border-color:#33465f;background:rgba(255,255,255,.03)}.qr-btn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8}.qr-caret{transition:transform .25s}.qr-wrap:hover .qr-caret{transform:rotate(180deg)}.qr-panel{position:absolute;top:calc(100% + 14px);right:0;display:flex;gap:18px;padding:18px 20px 16px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 60px rgba(0,0,0,.65);opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .24s ease,transform .24s ease,visibility .24s;pointer-events:none}.qr-panel::before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px}.qr-wrap:focus-within .qr-panel,.qr-wrap:hover .qr-panel{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}.qr-item{text-align:center}.qr-item .qr-code{width:136px;height:136px;border-radius:9px;overflow:hidden;background:#fff;padding:6px;box-shadow:0 0 0 1px rgba(255,255,255,.08)}.qr-item .qr-code img{width:100%;height:100%;border-radius:4px}.qr-item .qr-label{margin-top:9px;font-size:12.5px;color:var(--txt-2);letter-spacing:.3px}.qr-item .qr-label b{color:var(--gold);font-weight:600}.hero{position:relative;padding:92px 24px 74px;text-align:center;overflow:hidden}.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(720px 380px at 50% -8%,rgba(240,185,11,.14),transparent 68%),radial-gradient(560px 320px at 12% 8%,rgba(46,230,168,.08),transparent 70%),radial-gradient(560px 320px at 88% 4%,rgba(61,139,255,.1),transparent 70%);pointer-events:none}.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 72%);-webkit-mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 72%);pointer-events:none}.hero>*{position:relative;z-index:1}.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:999px;background:rgba(240,185,11,.08);border:1px solid rgba(240,185,11,.28);color:var(--gold);font-size:13px;letter-spacing:.4px;margin-bottom:26px}.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 0 rgba(240,185,11,.6);animation:pulse 2s infinite}@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(240,185,11,.55)}70%{box-shadow:0 0 0 9px rgba(240,185,11,0)}100%{box-shadow:0 0 0 0 rgba(240,185,11,0)}}.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.2;letter-spacing:-.5px;font-weight:800;background:linear-gradient(180deg,#fff 25%,#a9bcd6 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero .sub{margin:20px auto 0;max-width:660px;font-size:clamp(14px,1.6vw,17px);color:var(--txt-2)}.hero .sub em{font-style:normal;color:var(--gold);font-weight:600}.downloads{margin:44px auto 0;display:flex;flex-wrap:wrap;justify-content:center;gap:18px}.dl-btn{position:relative;display:flex;align-items:center;gap:15px;min-width:268px;padding:16px 24px 16px 20px;background:linear-gradient(180deg,#182236,#111a29);border:1px solid var(--line);border-radius:var(--radius);text-align:left;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}.dl-btn:hover{transform:translateY(-3px);border-color:rgba(240,185,11,.55);box-shadow:0 16px 40px rgba(0,0,0,.55),0 0 0 1px rgba(240,185,11,.12)}.dl-btn:active{transform:translateY(-1px)}.dl-btn .ico{flex:0 0 auto;width:34px;height:34px;display:flex;align-items:center;justify-content:center;color:var(--txt)}.dl-btn .ico svg{width:28px;height:28px;fill:currentColor}.dl-btn .meta strong{display:block;font-size:15.5px;font-weight:600;letter-spacing:.2px}.dl-btn .meta small{display:block;font-size:12.5px;color:var(--txt-2);margin-top:2px}.dl-btn .tag{position:absolute;top:-10px;right:14px;padding:2px 10px;border-radius:999px;font-size:11px;font-weight:600;letter-spacing:.4px;background:linear-gradient(135deg,var(--gold),#d9a300);color:#1a1400;opacity:0;transform:translateY(4px);transition:.22s}.dl-btn.is-recommended .tag{opacity:1;transform:translateY(0)}.dl-btn.is-recommended{border-color:rgba(240,185,11,.4)}.hint{margin-top:22px;font-size:13px;color:#5f708a}section{position:relative}.container{max-width:1180px;margin:0 auto;padding:0 24px}.sec-head{text-align:center;margin-bottom:52px}.sec-head h2{font-size:clamp(23px,3vw,32px);font-weight:700;letter-spacing:-.3px}.sec-head p{margin-top:12px;color:var(--txt-2);font-size:15px}.sec-head .line{width:44px;height:3px;border-radius:2px;margin:20px auto 0;background:linear-gradient(90deg,var(--gold),transparent)}.features{padding:86px 0 40px;border-top:1px solid rgba(31,42,61,.6)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.card{position:relative;padding:28px 26px 26px;background:linear-gradient(180deg,var(--card) 0,var(--card-2) 100%);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .24s ease,border-color .24s ease}.card::after{content:"";position:absolute;inset:0;background:radial-gradient(340px 160px at var(--mx,50%) var(--my,0),rgba(240,185,11,.1),transparent 70%);opacity:0;transition:opacity .3s;pointer-events:none}.card:hover{transform:translateY(-4px);border-color:#2c3d58}.card:hover::after{opacity:1}.card .icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(240,185,11,.08);border:1px solid rgba(240,185,11,.2);color:var(--gold);margin-bottom:18px}.card .icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.card h3{font-size:16.5px;font-weight:600;margin-bottom:9px;letter-spacing:.2px}.card p{font-size:14px;color:var(--txt-2);line-height:1.75}.card 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(max-width:900px){.nav-menu{display:none}}@media (max-width:720px){.nav-inner{padding:0 16px;height:62px;gap:12px}.container{padding:0 16px}.hero{padding:64px 18px 54px}.qr-panel{right:-10px;padding:14px;gap:12px;border-radius:14px}.qr-item .qr-code{width:104px;height:104px}.dl-btn{min-width:100%}.features{padding:60px 0 24px}.sec-head{margin-bottom:38px}}@media (max-width:400px){.qr-item .qr-code{width:92px;height:92px}.qr-item .qr-label{font-size:11.5px}}