*{margin:0;padding:0;box-sizing:border-box}
:root{--p1:#6d28d9;--p2:#8b5cf6;--p3:#a78bfa;--accent:#22d3ee;--ink:#0f0b1e;--ink2:#241b3d;--tx:#5b5470;--bg:#faf9ff;--card:#ffffff;--line:#e9e6f5;--gold:#f59e0b;--ok:#10b981;--danger:#ef4444;--r:16px}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--ink2);background:var(--bg);line-height:1.75;font-size:16px;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;border-radius:999px;font-size:16px;font-weight:600;cursor:pointer;border:none;transition:transform .25s,box-shadow .25s,background .25s}
.btn:hover{transform:translateY(-3px)}
.btn-grad{background:linear-gradient(135deg,#6d28d9,#8b5cf6 55%,#22d3ee);color:#fff;box-shadow:0 10px 26px rgba(109,40,217,.35)}
.btn-grad:hover{box-shadow:0 16px 34px rgba(109,40,217,.5)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{box-shadow:0 12px 28px rgba(15,11,30,.35)}
.sec{padding:88px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 56px}
.sec-head .tag{display:inline-block;padding:6px 18px;border-radius:999px;background:linear-gradient(90deg,rgba(139,92,246,.12),rgba(34,211,238,.12));color:#6d28d9;font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:16px}
.sec-head h2{font-size:38px;line-height:1.3;color:var(--ink);margin-bottom:14px}
.sec-head p{color:var(--tx);font-size:16px}
.grad-text{background:linear-gradient(90deg,#6d28d9,#8b5cf6,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:18px 0;transition:background .35s,padding .35s,box-shadow .35s}
.nav.scrolled{background:rgba(12,8,26,.86);backdrop-filter:blur(14px);padding:10px 0;box-shadow:0 8px 30px rgba(0,0,0,.28)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:#fff;letter-spacing:.5px}
.logo img{width:38px;height:38px;border-radius:10px}
.logo span{background:linear-gradient(90deg,#a78bfa,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:5px;color:rgba(255,255,255,.85);font-size:15px;padding:10px 16px;border-radius:10px;cursor:pointer;transition:color .25s,background .25s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link .arr{display:inline-block;font-size:10px;transition:transform .3s}
.nav-item:hover .arr{transform:rotate(180deg)}
.nav-item:hover .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop{position:absolute;top:100%;left:0;min-width:230px;background:#fff;border-radius:14px;box-shadow:0 18px 44px rgba(15,11,30,.18);padding:10px;opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s}
.drop a{display:block;padding:10px 16px;border-radius:10px;color:var(--ink2);font-size:14px;transition:background .2s,color .2s}
.drop a:hover{background:linear-gradient(90deg,rgba(109,40,217,.08),rgba(34,211,238,.08));color:#6d28d9}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-cta .btn{padding:11px 26px;font-size:14px}
.hamburger{display:none;width:44px;height:44px;border:none;background:rgba(255,255,255,.1);border-radius:12px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.hamburger span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:all .3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(12,8,26,.97);z-index:999;padding:110px 28px 40px;overflow-y:auto;backdrop-filter:blur(10px)}
.mobile-menu.open{display:block}
.mobile-menu .m-item>div{display:flex;justify-content:space-between;align-items:center;color:#fff;font-size:18px;font-weight:600;padding:16px 4px;border-bottom:1px solid rgba(255,255,255,.1);cursor:pointer}
.mobile-menu .m-sub{display:none;padding:6px 0 14px 14px}
.mobile-menu .m-sub.open{display:block}
.mobile-menu .m-sub a{display:block;color:rgba(255,255,255,.7);font-size:15px;padding:10px 6px}
.mobile-menu .m-sub a:hover{color:#22d3ee}
.mobile-menu .m-cta{margin-top:26px}
.mobile-menu .m-cta .btn{width:100%;padding:16px}
.hero{position:relative;padding:170px 0 110px;background:radial-gradient(1000px 600px at 85% -10%,rgba(139,92,246,.35),transparent 60%),radial-gradient(900px 600px at -10% 20%,rgba(34,211,238,.2),transparent 55%),linear-gradient(150deg,#0d0920,#1b1140 55%,#0d0920);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%)}
.hero .container{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);padding:8px 18px;border-radius:999px;font-size:13px;margin-bottom:22px}
.hero-badge b{color:#22d3ee}
.hero h1{font-size:54px;line-height:1.18;font-weight:900;margin-bottom:20px}
.hero-sub{font-size:18px;color:rgba(255,255,255,.78);max-width:520px;margin-bottom:34px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap}
.hstat b{display:block;font-size:30px;font-weight:800;background:linear-gradient(90deg,#a78bfa,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent}
.hstat span{font-size:13px;color:rgba(255,255,255,.65)}
.sim{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:22px;backdrop-filter:blur(12px);padding:22px;box-shadow:0 30px 70px rgba(0,0,0,.4)}
.sim-top{display:flex;align-items:center;gap:8px;margin-bottom:18px}
.sim-dot{width:11px;height:11px;border-radius:50%}
.sim-title{margin-left:auto;font-size:13px;color:rgba(255,255,255,.75)}
.sim-status{display:flex;align-items:center;justify-content:space-between;background:rgba(0,0,0,.25);border-radius:14px;padding:14px 18px;margin-bottom:16px}
.sim-status .st{display:flex;align-items:center;gap:9px;font-size:14px}
.sim-status .st i{width:9px;height:9px;border-radius:50%;background:#64748b;display:inline-block}
.sim-status.on .st i{background:#10b981;box-shadow:0 0 12px #10b981;animation:blink 1.4s infinite}
.sim-status .st b{font-weight:700}
@keyframes blink{50%{opacity:.45}}
.gauge{position:relative;width:200px;height:200px;margin:6px auto 18px}
.gauge svg{transform:rotate(-90deg)}
.gauge .g-bg{fill:none;stroke:rgba(255,255,255,.1);stroke-width:14}
.gauge .g-fill{fill:none;stroke:url(#ggrad);stroke-width:14;stroke-linecap:round;transition:stroke-dashoffset 1.1s cubic-bezier(.4,0,.2,1)}
.gauge .g-val{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.gauge .g-val b{font-size:40px;font-weight:900;line-height:1}
.gauge .g-val span{font-size:12px;color:rgba(255,255,255,.6);margin-top:6px}
.sim-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.metric{background:rgba(0,0,0,.22);border-radius:12px;padding:12px 14px}
.metric span{display:block;font-size:12px;color:rgba(255,255,255,.55)}
.metric b{font-size:19px;font-weight:800}
.sim-select{display:flex;gap:10px;margin-bottom:16px}
.sim-select select{flex:1;background:rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.16);color:#fff;border-radius:10px;padding:11px 12px;font-size:14px;outline:none;appearance:none;-webkit-appearance:none}
.sim-select select option{color:#111}
.sim-toggle{display:flex;gap:10px;margin-bottom:18px}
.tgl{flex:1;display:flex;align-items:center;justify-content:space-between;background:rgba(0,0,0,.22);border-radius:10px;padding:10px 14px;font-size:13px;color:rgba(255,255,255,.85)}
.switch{position:relative;width:42px;height:23px;background:#3b3457;border-radius:99px;cursor:pointer;transition:background .25s;flex:none}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:17px;height:17px;border-radius:50%;background:#fff;transition:left .25s}
.switch.on{background:linear-gradient(90deg,#6d28d9,#22d3ee)}
.switch.on::after{left:22px}
.sim-connect{width:100%;padding:15px;border:none;border-radius:14px;font-size:16px;font-weight:700;cursor:pointer;background:linear-gradient(90deg,#6d28d9,#8b5cf6);color:#fff;transition:all .3s;letter-spacing:1px}
.sim-connect:hover{filter:brightness(1.15);transform:translateY(-2px)}
.sim-connect.off{background:#22d3ee}
.features{background:#fff}
.f-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.f-card{background:linear-gradient(180deg,#fbfaff,#fff);border:1px solid var(--line);border-radius:18px;padding:30px 26px;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden}
.f-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#6d28d9,#22d3ee);opacity:0;transition:opacity .3s}
.f-card:hover{transform:translateY(-8px);box-shadow:0 22px 46px rgba(109,40,217,.14);border-color:transparent}
.f-card:hover::before{opacity:1}
.f-ico{width:54px;height:54px;border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;background:linear-gradient(135deg,rgba(109,40,217,.12),rgba(34,211,238,.12))}
.f-card h3{font-size:19px;margin-bottom:10px;color:var(--ink)}
.f-card p{font-size:14px;color:var(--tx)}
.nodes{background:linear-gradient(160deg,#0d0920,#1b1140);color:#fff;position:relative;overflow:hidden}
.nodes::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 400px at 80% 20%,rgba(139,92,246,.3),transparent 60%)}
.nodes .container{position:relative}
.n-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:56px}
.n-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:16px;padding:24px;display:flex;align-items:center;gap:16px;transition:transform .3s,background .3s}
.n-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.1)}
.n-flag{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,#6d28d9,#22d3ee);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex:none}
.n-card b{display:block;font-size:16px}
.n-card span{font-size:13px;color:rgba(255,255,255,.65)}
.n-bar{margin-top:10px;height:5px;border-radius:4px;background:rgba(255,255,255,.12);overflow:hidden}
.n-bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,#6d28d9,#22d3ee)}
.speed-band{background:#fff;border-radius:22px;padding:44px;box-shadow:0 30px 70px rgba(0,0,0,.25)}
.speed-band .sb-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:16px;margin-bottom:30px}
.speed-band h3{font-size:26px;color:var(--ink)}
.speed-band .sb-total{color:var(--tx);font-size:14px}
.sb-bars{display:flex;align-items:flex-end;gap:10px;height:180px}
.sb-col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:8px;height:100%}
.sb-col i{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,#8b5cf6,#22d3ee);animation:rise 1.2s cubic-bezier(.25,.8,.3,1) both}
.sb-col span{font-size:11px;color:var(--tx)}
@keyframes rise{from{height:0}}
.proto{background:#fff}
.p-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.p-card{background:linear-gradient(180deg,#fbfaff,#fff);border:1px solid var(--line);border-radius:20px;padding:32px 28px;transition:transform .3s,box-shadow .3s}
.p-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(109,40,217,.12)}
.p-name{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:17px;color:var(--ink);margin-bottom:6px}
.p-name .pi{width:10px;height:10px;border-radius:3px;background:linear-gradient(135deg,#6d28d9,#22d3ee)}
.p-desc{font-size:13px;color:var(--tx);margin-bottom:18px}
.p-price{font-size:40px;font-weight:900;color:var(--ink);line-height:1}
.p-price small{font-size:14px;color:var(--tx);font-weight:400}
.p-list{margin:20px 0 26px;display:flex;flex-direction:column;gap:11px}
.p-list li{font-size:14px;color:var(--tx);display:flex;gap:9px;align-items:flex-start}
.p-list li::before{content:"✓";flex:none;width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,#6d28d9,#22d3ee);color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center;margin-top:3px}
.p-card .btn{width:100%}
.p-card.hot{background:linear-gradient(165deg,#1b1140,#2a1b5e);color:#fff;border:none;position:relative;transform:scale(1.04);box-shadow:0 30px 60px rgba(109,40,217,.35)}
.p-card.hot:hover{transform:scale(1.04) translateY(-6px)}
.p-card.hot .p-desc,.p-card.hot .p-list li,.p-card.hot .p-price small{color:rgba(255,255,255,.72)}
.p-card.hot .p-price,.p-card.hot .p-name{color:#fff}
.p-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(90deg,#f59e0b,#ef4444);color:#fff;font-size:12px;font-weight:700;padding:5px 16px;border-radius:999px;white-space:nowrap}
.steps{background:linear-gradient(160deg,#f5f2ff,#eefafe)}
.st-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.steps .st-grid{grid-template-columns:repeat(3,1fr)}
.st-card{background:#fff;border-radius:18px;padding:28px 24px;position:relative;border:1px solid var(--line);transition:transform .3s,box-shadow .3s}
.st-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(109,40,217,.12)}
.st-num{position:absolute;top:-18px;left:24px;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#6d28d9,#22d3ee);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(109,40,217,.35)}
.st-card h3{font-size:18px;margin:8px 0 10px;color:var(--ink)}
.st-card p{font-size:14px;color:var(--tx)}
.scenarios{background:#fff}
.s-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.s-card{border:1px solid var(--line);border-radius:18px;padding:30px 26px;transition:transform .3s,box-shadow .3s,border-color .3s;background:linear-gradient(180deg,#fbfaff,#fff)}
.s-card:hover{transform:translateY(-8px);box-shadow:0 22px 46px rgba(34,211,238,.14);border-color:rgba(34,211,238,.5)}
.s-ico{font-size:30px;margin-bottom:16px;display:inline-block;filter:drop-shadow(0 6px 14px rgba(109,40,217,.25))}
.s-card h3{font-size:18px;margin-bottom:10px;color:var(--ink)}
.s-card p{font-size:14px;color:var(--tx)}
.pricing .sec-head{color:inherit}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:center}
.plan{border-radius:20px;padding:36px 30px;background:#fff;border:1px solid var(--line)}
.plan h3{font-size:19px;color:var(--ink)}
.plan .pr{font-size:44px;font-weight:900;color:var(--ink);margin:14px 0 4px;line-height:1}
.plan .pr small{font-size:14px;color:var(--tx);font-weight:400}
.plan .per{font-size:13px;color:var(--tx);margin-bottom:22px}
.plan ul{margin-bottom:28px;display:flex;flex-direction:column;gap:11px}
.plan li{font-size:14px;color:var(--tx);display:flex;gap:9px}
.plan li::before{content:"✓";flex:none;color:#10b981;font-weight:800}
.plan .btn{width:100%}
.plan.hot{background:linear-gradient(165deg,#1b1140,#2a1b5e);color:#fff;transform:scale(1.06);position:relative;box-shadow:0 34px 70px rgba(109,40,217,.4);border:none}
.plan.hot h3,.plan.hot .pr{color:#fff}
.plan.hot .per,.plan.hot li{color:rgba(255,255,255,.72)}
.plan.hot .plan-badge{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:linear-gradient(90deg,#f59e0b,#ef4444);color:#fff;font-size:12px;font-weight:700;padding:6px 18px;border-radius:999px}
.faq{background:linear-gradient(160deg,#f5f2ff,#eefafe)}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.faq-item{background:#fff;border-radius:16px;border:1px solid var(--line);overflow:hidden;transition:box-shadow .3s}
.faq-item.open{box-shadow:0 16px 40px rgba(109,40,217,.12)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;cursor:pointer;font-size:17px;font-weight:600;color:var(--ink)}
.faq-q .fx{flex:none;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,rgba(109,40,217,.12),rgba(34,211,238,.12));display:flex;align-items:center;justify-content:center;color:#6d28d9;font-size:18px;transition:transform .3s}
.faq-item.open .fx{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s ease}
.faq-a-in{padding:0 26px 24px;color:var(--tx);font-size:15px}
.faq-a ol{margin:10px 0 0 20px}
.faq-a ol li{margin-bottom:6px}
.testi{background:#fff}
.t-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.t-card{background:linear-gradient(180deg,#fbfaff,#fff);border:1px solid var(--line);border-radius:18px;padding:28px 26px;transition:transform .3s,box-shadow .3s}
.t-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(109,40,217,.12)}
.t-stars{color:#f59e0b;font-size:15px;letter-spacing:2px;margin-bottom:14px}
.t-txt{font-size:14px;color:var(--tx);margin-bottom:20px}
.t-user{display:flex;align-items:center;gap:12px}
.t-ava{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#6d28d9,#22d3ee);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;flex:none}
.t-user b{display:block;font-size:14px;color:var(--ink)}
.t-user span{font-size:12px;color:var(--tx)}
.news-sec{background:linear-gradient(160deg,#f5f2ff,#eefafe)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border-radius:18px;overflow:hidden;border:1px solid var(--line);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-8px);box-shadow:0 24px 50px rgba(109,40,217,.16)}
.news-card img{width:100%;height:200px;object-fit:cover;transition:transform .5s}
.news-card:hover img{transform:scale(1.07)}
.news-card .nc-body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-card .nc-date{font-size:12px;color:var(--tx);margin-bottom:10px}
.news-card h3{font-size:17px;line-height:1.5;margin-bottom:12px;color:var(--ink)}
.news-card h3 a:hover{color:#6d28d9}
.news-card p{font-size:13px;color:var(--tx);margin-bottom:16px}
.news-card .nc-more{margin-top:auto;font-size:13px;font-weight:700;color:#6d28d9}
.cta{position:relative;padding:110px 0;background:radial-gradient(800px 500px at 80% 20%,rgba(139,92,246,.4),transparent 60%),linear-gradient(150deg,#0d0920,#1b1140);color:#fff;text-align:center;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(ellipse at center,#000 20%,transparent 70%)}
.cta .container{position:relative}
.cta h2{font-size:40px;font-weight:900;margin-bottom:16px}
.cta p{color:rgba(255,255,255,.75);max-width:560px;margin:0 auto 34px}
.footer{background:#0c0818;color:rgba(255,255,255,.65);padding:70px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px}
.foot-brand p{font-size:14px;margin:16px 0 20px;max-width:300px}
.foot-col h4{color:#fff;font-size:16px;margin-bottom:18px}
.foot-col a{display:block;font-size:14px;padding:6px 0;transition:color .2s}
.foot-col a:hover{color:#22d3ee}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:13px}
.crumb{background:linear-gradient(150deg,#0d0920,#1b1140);color:#fff;padding:120px 0 44px}
.crumb h1{font-size:36px;font-weight:900;margin:12px 0 6px}
.crumb .cb-links{font-size:13px;color:rgba(255,255,255,.6)}
.crumb .cb-links a:hover{color:#22d3ee}
.dl-hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.dl-meta{display:flex;gap:34px;flex-wrap:wrap;margin:30px 0 8px}
.dl-meta b{display:block;font-size:24px;color:var(--ink)}
.dl-meta span{font-size:13px;color:var(--tx)}
.vers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ver-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 26px;display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.ver-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(109,40,217,.12)}
.ver-card .v-tag{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:15px;color:var(--ink);margin-bottom:6px}
.ver-card .v-ver{font-size:13px;color:#6d28d9;font-weight:700;margin-bottom:4px}
.ver-card .v-size{font-size:13px;color:var(--tx);margin-bottom:16px}
.ver-card ul{margin-bottom:24px;display:flex;flex-direction:column;gap:9px}
.ver-card li{font-size:13px;color:var(--tx);display:flex;gap:8px}
.ver-card li::before{content:"✓";color:#10b981;font-weight:800;flex:none}
.ver-card .btn{margin-top:auto}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.req-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.req-card .r-ico{font-size:26px;margin-bottom:12px}
.req-card b{display:block;font-size:15px;color:var(--ink);margin-bottom:6px}
.req-card p{font-size:13px;color:var(--tx)}
.page-bg{background:var(--bg)}
.news-page-grid{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.article{background:#fff;border-radius:20px;padding:40px;border:1px solid var(--line)}
.article .a-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--tx);margin:16px 0 24px;flex-wrap:wrap}
.article .a-meta .chip{background:linear-gradient(90deg,rgba(109,40,217,.1),rgba(34,211,238,.1));color:#6d28d9;padding:4px 14px;border-radius:999px;font-weight:700}
.article h2{font-size:26px;color:var(--ink);margin:36px 0 16px;padding-left:16px;border-left:5px solid;border-image:linear-gradient(180deg,#6d28d9,#22d3ee) 1}
.article p{font-size:16px;color:var(--tx);margin-bottom:18px}
.article img{border-radius:14px;margin:22px 0}
.article .lead{font-size:17px;color:var(--ink2);background:linear-gradient(90deg,rgba(109,40,217,.06),rgba(34,211,238,.06));border-radius:14px;padding:20px 24px}
.a-quote{border-left:4px solid #8b5cf6;background:rgba(139,92,246,.06);padding:16px 22px;border-radius:0 12px 12px 0;margin:20px 0;font-size:15px;color:var(--ink2)}
.a-quote b{color:#6d28d9}
.article .a-nav{display:flex;justify-content:space-between;gap:14px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap}
.article .a-nav a{font-size:14px;color:#6d28d9;font-weight:600}
.article .a-nav a:hover{color:#22d3ee}
.a-related{margin-top:30px}
.a-related h3{font-size:20px;color:var(--ink);margin-bottom:18px}
.a-rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.a-rel-card{background:linear-gradient(180deg,#fbfaff,#fff);border:1px solid var(--line);border-radius:14px;padding:18px}
.a-rel-card img{height:110px;object-fit:cover;margin:0 0 12px;width:100%}
.a-rel-card a{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5}
.a-rel-card a:hover{color:#6d28d9}
.comments{margin-top:44px;padding-top:30px;border-top:1px solid var(--line)}
.comments h3{font-size:20px;color:var(--ink);margin-bottom:22px}
.c-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed var(--line)}
.c-item:last-child{border-bottom:none}
.c-ava{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#6d28d9,#22d3ee);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;flex:none;font-size:16px}
.c-head{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.c-head b{font-size:14px;color:var(--ink)}
.c-head span{font-size:12px;color:var(--tx)}
.c-txt{font-size:14px;color:var(--tx)}
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px}
.side-card{background:#fff;border-radius:18px;padding:24px;border:1px solid var(--line);box-shadow:0 12px 34px rgba(15,11,30,.06)}
.side-card h3{font-size:16px;color:var(--ink);padding-left:14px;border-left:4px solid;border-image:linear-gradient(180deg,#6d28d9,#22d3ee) 1;margin-bottom:18px}
.toc-item{position:relative;padding:0 0 18px 22px;border-left:2px solid var(--line);display:block}
.toc-item:last-child{border-left:2px solid transparent}
.toc-item::before{content:"";position:absolute;left:-6px;top:3px;width:10px;height:10px;border-radius:50%;background:#d9d3ee;border:2px solid #fff;transition:background .25s,transform .25s}
.toc-item a{font-size:14px;color:var(--tx);line-height:1.5;transition:color .2s}
.toc-item:hover a{color:#6d28d9}
.toc-item.active::before{background:#6d28d9;transform:scale(1.3)}
.toc-item.active a{color:#6d28d9;font-weight:700}
.hot-item{display:flex;align-items:flex-start;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.hot-item:last-child{border-bottom:none}
.rank{flex:none;width:26px;height:26px;border-radius:8px;background:#e5e2f0;color:#8a83a5;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;transition:transform .25s}
.hot-item:hover .rank{transform:scale(1.18)}
.hot-item:nth-child(1) .rank{background:linear-gradient(135deg,#6d28d9,#8b5cf6);color:#fff}
.hot-item:nth-child(2) .rank{background:linear-gradient(135deg,#f97316,#fb923c);color:#fff}
.hot-item:nth-child(3) .rank{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#fff}
.hot-item a{font-size:13px;line-height:1.5;color:var(--ink2)}
.hot-item:hover a{color:#6d28d9}
.cat-tags{display:flex;flex-wrap:wrap;gap:10px}
.cat-tags a{font-size:13px;color:var(--tx);background:#f4f2fb;border:1px solid transparent;padding:7px 15px;border-radius:999px;transition:all .25s}
.cat-tags a:hover{color:#6d28d9;background:#fff;border-color:#8b5cf6}
.pager{display:flex;justify-content:center;gap:10px;margin-top:44px}
.pager span,.pager a{min-width:42px;height:42px;padding:0 14px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;border:1px solid var(--line);background:#fff;color:var(--tx)}
.pager .cur{background:linear-gradient(135deg,#6d28d9,#8b5cf6);color:#fff;border:none}
.pager a:hover{border-color:#8b5cf6;color:#6d28d9}
.sitemap-list{background:#fff;border-radius:20px;padding:40px;border:1px solid var(--line)}
.sitemap-list .sm-sec{margin-bottom:34px}
.sitemap-list .sm-sec:last-child{margin-bottom:0}
.sitemap-list h2{font-size:20px;color:var(--ink);margin-bottom:14px;padding-left:14px;border-left:4px solid;border-image:linear-gradient(180deg,#6d28d9,#22d3ee) 1}
.sitemap-list ul{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.sitemap-list li a{display:block;background:#faf9ff;border:1px solid var(--line);padding:12px 18px;border-radius:12px;font-size:14px;color:var(--ink2);transition:all .25s}
.sitemap-list li a:hover{border-color:#8b5cf6;color:#6d28d9;transform:translateX(4px)}
.e404{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:radial-gradient(800px 500px at 50% 20%,rgba(139,92,246,.3),transparent 60%),linear-gradient(150deg,#0d0920,#1b1140);color:#fff}
.e404 h1{font-size:120px;font-weight:900;line-height:1;background:linear-gradient(90deg,#a78bfa,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent}
.e404 p{color:rgba(255,255,255,.75);margin:16px 0 30px}
.e404 .cd{color:#22d3ee;font-weight:800;font-size:20px;margin-bottom:26px}
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s,transform .8s}
.reveal.show{opacity:1;transform:translateY(0)}
@media(max-width:992px){.nav-menu{display:none}.hamburger{display:flex}.hero{padding:130px 0 80px}.hero .container,.dl-hero .container{grid-template-columns:1fr;gap:40px}.hero h1{font-size:40px}.f-grid,.s-grid{grid-template-columns:repeat(2,1fr)}.n-grid{grid-template-columns:1fr}.plan-grid{grid-template-columns:1fr;gap:34px}.plan.hot{transform:none}.t-grid,.news-grid,.vers,.req-grid,.st-grid,.a-rel-grid{grid-template-columns:repeat(2,1fr)}.news-page-grid{grid-template-columns:1fr}.side{position:static;order:3}.p-grid{grid-template-columns:1fr;gap:34px}.p-card.hot{transform:none}.foot-grid{grid-template-columns:1fr 1fr}.speed-band{padding:30px}.sb-bars{height:130px}.article{padding:28px}}
@media(max-width:768px){.sec{padding:64px 0}.sec-head h2{font-size:30px}.hero h1{font-size:32px}.hero-stats{gap:24px}.f-grid,.s-grid,.t-grid,.news-grid,.vers,.req-grid,.st-grid,.a-rel-grid{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr}.gauge{width:170px;height:170px}.sitemap-list ul{grid-template-columns:1fr}.cta h2{font-size:30px}.crumb h1{font-size:28px}.article h2{font-size:22px}.sim-select{flex-direction:column}.nav-cta .btn{display:none}}
@media(max-width:480px){.container{padding:0 18px}.hero{padding:116px 0 64px}.hero h1{font-size:27px}.hero-btns .btn{width:100%}.hstat b{font-size:24px}.sim{padding:16px}.sim-metrics{grid-template-columns:1fr 1fr}.speed-band{padding:20px}.sb-bars{height:100px}.sb-col span{font-size:9px}.article{padding:20px}.article p{font-size:15px}.sitemap-list{padding:22px}.e404 h1{font-size:84px}.btn{padding:13px 24px}}