*{margin:0;padding:0;box-sizing:border-box}
:root{
--bg:#fff;--bg2:#f6f8fb;--bg3:#eef2f8;--line:#e4eaf1;
--tx:#0d1626;--tx2:#46566e;--tx3:#8290a5;
--br:#1652f0;--br2:#00bcd4;--soft:rgba(22,82,240,.07);--soft2:rgba(0,188,212,.08);
--r:14px;--mx:1180px;--sh:0 1px 2px rgba(13,22,38,.04),0 8px 24px rgba(13,22,38,.05);
}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--tx);line-height:1.7;-webkit-font-smoothing:antialiased;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--mx);margin:0 auto;padding:0 24px}
.mono{font-family:"SF Mono",Consolas,"Courier New",monospace}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nv{display:flex;align-items:center;height:66px;gap:28px}
.logo{display:flex;align-items:center;gap:10px}
.lg{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--br),var(--br2));color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;letter-spacing:.5px}
.logo b{display:block;font-size:15px;line-height:1.2;letter-spacing:.2px}
.logo i{display:block;font-style:normal;font-size:11px;color:var(--tx3);letter-spacing:2px}
.menu{display:flex;gap:4px;margin-left:auto}
.menu a{padding:8px 13px;border-radius:9px;font-size:14px;color:var(--tx2);transition:.2s}
.menu a:hover{background:var(--bg2);color:var(--tx)}
.menu a.on{color:var(--br);background:var(--soft)}
.burger{display:none;margin-left:auto;width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--tx);font-size:16px;cursor:pointer}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;padding:11px 20px;border-radius:10px;font-size:14px;font-weight:500;border:1px solid transparent;transition:.2s;cursor:pointer}
.btn.pri{background:var(--br);color:#fff;box-shadow:0 6px 18px rgba(22,82,240,.22)}
.btn.pri:hover{background:#0f45d6;transform:translateY(-1px)}
.btn.gh{border-color:var(--line);background:#fff;color:var(--tx)}
.btn.gh:hover{border-color:#c9d5e5;background:var(--bg2)}
.btn.sm{padding:8px 15px;font-size:13px}
.link{color:var(--br);font-size:14px;display:inline-flex;gap:5px;align-items:center}
.link:hover{gap:9px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:86px 0 74px;background:
 radial-gradient(900px 420px at 82% -8%,rgba(0,188,212,.13),transparent 62%),
 radial-gradient(760px 420px at 8% 8%,rgba(22,82,240,.10),transparent 60%),var(--bg)}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;opacity:.5;mask-image:radial-gradient(70% 60% at 50% 30%,#000,transparent)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.tag{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:99px;background:#fff;border:1px solid var(--line);font-size:12.5px;color:var(--tx2)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--br2);box-shadow:0 0 0 3px var(--soft2)}
h1{font-size:46px;line-height:1.22;letter-spacing:-.5px;margin:20px 0 16px;font-weight:700}
h1 em{font-style:normal;background:linear-gradient(100deg,var(--br),var(--br2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:16px;color:var(--tx2);max-width:520px}
.acts{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:46px;padding-top:26px;border-top:1px solid var(--line)}
.metrics b{display:block;font-size:24px;letter-spacing:-.4px}
.metrics span{font-size:12.5px;color:var(--tx3)}

/* hero visual */
.panel{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--sh);padding:20px}
.pv-top{display:flex;align-items:center;gap:6px;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:14px}
.pv-top i{width:9px;height:9px;border-radius:50%;background:#e6ecf4;display:block}
.pv-top span{margin-left:8px;font-size:12px;color:var(--tx3)}
.node{display:flex;align-items:center;gap:12px;padding:11px 13px;border:1px solid var(--line);border-radius:11px;background:var(--bg2)}
.node+.node{margin-top:9px}
.node i{width:8px;height:8px;border-radius:50%;background:var(--br2);flex:0 0 auto;animation:pl 2s infinite}
.node:nth-child(3) i{background:var(--br);animation-delay:.4s}
.node:nth-child(4) i{animation-delay:.8s}
@keyframes pl{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}
.node b{font-size:13.5px;font-weight:500}
.node span{margin-left:auto;font-size:12px;color:var(--tx3)}
.bar{height:5px;border-radius:4px;background:var(--bg3);overflow:hidden;margin-top:9px}
.bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--br),var(--br2));animation:go 3.4s ease-in-out infinite}
@keyframes go{0%{width:12%}55%{width:88%}100%{width:12%}}

/* ---------- sections ---------- */
section{padding:76px 0}
.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-h{max-width:660px;margin-bottom:42px}
.sec-h .k{font-size:12.5px;letter-spacing:2.5px;color:var(--br);font-weight:600;text-transform:uppercase}
h2{font-size:32px;line-height:1.3;letter-spacing:-.4px;margin:12px 0 10px;font-weight:700}
h3{font-size:17px;font-weight:600;margin-bottom:8px}
.sec-h p{color:var(--tx2)}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:.25s}
.card:hover{border-color:#cfdcf0;box-shadow:var(--sh);transform:translateY(-2px)}
.card p{color:var(--tx2);font-size:14px}
.ico{width:40px;height:40px;border-radius:11px;background:var(--soft);color:var(--br);display:grid;place-items:center;font-weight:700;font-size:15px;margin-bottom:15px}
.ico.c2{background:var(--soft2);color:#0097a7}
.chip{display:inline-block;padding:3px 9px;border-radius:6px;background:var(--bg2);border:1px solid var(--line);font-size:11.5px;color:var(--tx2);margin:0 6px 6px 0}
ul.tk{list-style:none}
ul.tk li{position:relative;padding-left:20px;color:var(--tx2);font-size:14px;margin-bottom:7px}
ul.tk li:before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--br2)}

/* ---------- table ---------- */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
th,td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--bg2);font-size:12.5px;color:var(--tx2);font-weight:600;letter-spacing:.4px}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafcff}
td b{font-weight:600}
.price{color:var(--br);font-weight:700;font-size:15px}

/* ---------- pricing ---------- */
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;position:relative}
.plan.hot{border-color:var(--br);box-shadow:0 12px 34px rgba(22,82,240,.12)}
.plan .badge{position:absolute;top:-11px;left:26px;background:var(--br);color:#fff;font-size:11.5px;padding:3px 10px;border-radius:6px}
.plan h3{font-size:15px;color:var(--tx2);font-weight:500}
.pnum{font-size:34px;font-weight:700;letter-spacing:-1px;margin:8px 0 2px}
.pnum small{font-size:14px;font-weight:400;color:var(--tx3);letter-spacing:0}
.plan .sep{height:1px;background:var(--line);margin:18px 0}
.plan .btn{width:100%;justify-content:center;margin-top:18px}

/* ---------- timeline ---------- */
.tl{position:relative;padding-left:26px;border-left:1px solid var(--line)}
.tl .it{position:relative;padding-bottom:28px}
.tl .it:before{content:"";position:absolute;left:-32px;top:6px;width:11px;height:11px;border-radius:50%;background:#fff;border:2px solid var(--br)}
.tl .it time{font-size:12.5px;color:var(--br);font-weight:600;letter-spacing:.6px}
.tl .it p{color:var(--tx2);font-size:14px}

/* ---------- news ---------- */
.nlist{display:grid;gap:14px}
.nitem{display:flex;gap:24px;padding:24px 26px;background:#fff;border:1px solid var(--line);border-radius:var(--r);transition:.25s}
.nitem:hover{border-color:#cfdcf0;box-shadow:var(--sh);transform:translateX(2px)}
.nitem time{flex:0 0 96px;font-size:13px;color:var(--tx3);padding-top:3px}
.nitem h3{margin-bottom:6px}
.nitem p{color:var(--tx2);font-size:14px}
.art{max-width:760px;margin:0 auto}
.art h1{font-size:32px;margin:14px 0 10px}
.art .meta{color:var(--tx3);font-size:13.5px;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:26px}
.art p{color:var(--tx2);margin-bottom:16px}
.art h3{margin:26px 0 10px;font-size:18px}
.art blockquote{border-left:3px solid var(--br);background:var(--bg2);padding:14px 20px;border-radius:0 10px 10px 0;color:var(--tx2);font-size:14.5px;margin:18px 0}

/* ---------- form ---------- */
.form{display:grid;gap:14px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{font-size:13px;color:var(--tx2);display:block;margin-bottom:6px}
input,select,textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit;color:var(--tx);background:#fff;transition:.2s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--br);box-shadow:0 0 0 3px var(--soft)}
textarea{min-height:112px;resize:vertical}
.info{display:grid;gap:14px}
.inf{display:flex;gap:14px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:12px}
.inf .ico{margin:0;flex:0 0 auto}
.inf b{font-size:14px;display:block}
.inf span{font-size:13.5px;color:var(--tx2)}

/* ---------- cta / footer ---------- */
.cta{background:linear-gradient(120deg,#0d1626,#12306e 62%,#0b6f88);color:#fff;border-radius:20px;padding:52px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta h2{color:#fff;margin:0 0 8px}
.cta p{color:rgba(255,255,255,.72)}
.cta .btn.pri{background:#fff;color:var(--br);box-shadow:none}
footer{background:var(--bg2);border-top:1px solid var(--line);padding:52px 0 26px;margin-top:0}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
footer h4{font-size:13.5px;margin-bottom:14px}
footer a,footer p{display:block;font-size:13.5px;color:var(--tx2);margin-bottom:9px}
footer a:hover{color:var(--br)}
.fbot{border-top:1px solid var(--line);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--tx3)}
.crumb{font-size:13px;color:var(--tx3);padding:22px 0 0}
.crumb a:hover{color:var(--br)}
.phead{padding:52px 0 60px;background:radial-gradient(700px 300px at 20% 0,rgba(22,82,240,.09),transparent 60%),var(--bg);border-bottom:1px solid var(--line)}
.phead h1{font-size:38px;margin:14px 0 12px}
.phead .lead{max-width:660px}

/* ---------- brand emphasis ---------- */
.logo b.bcn{font-size:19px;font-weight:800;letter-spacing:4px;line-height:1.15;background:linear-gradient(100deg,var(--br),var(--br2));-webkit-background-clip:text;background-clip:text;color:transparent}
.logo i.ben{font-size:10px;letter-spacing:2.6px;color:var(--tx3)}
.lg{font-size:17px;font-weight:700}
.brandline{display:flex;align-items:baseline;gap:12px;row-gap:2px;flex-wrap:wrap;font-size:16px;font-weight:800;letter-spacing:9px;color:var(--br);margin-bottom:16px}
.brandline span{font-size:10.5px;letter-spacing:3px;color:var(--tx3);font-weight:500}
.art .brandline{margin-bottom:12px}
.fbrand{font-size:15px;font-weight:700;letter-spacing:5px;color:var(--tx);margin-bottom:3px}
.fbrand span{font-size:10.5px;letter-spacing:2.4px;color:var(--tx3);font-weight:500}
.bigbrand{font-size:15px;font-weight:800;letter-spacing:7px;color:var(--br)}

.yhead{display:flex;align-items:center;gap:14px;font-size:15px;font-weight:600;letter-spacing:1px;margin:38px 0 18px}
.yhead:first-child{margin-top:0}
.yhead:after{content:"";flex:1;height:1px;background:var(--line)}
.newsnav{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:34px}
.newsnav a{padding:6px 13px;border:1px solid var(--line);border-radius:99px;font-size:13px;color:var(--tx2);background:#fff}
.newsnav a:hover,.newsnav a.on{border-color:var(--br);color:var(--br);background:var(--soft)}

@media(max-width:960px){
.hero .wrap{grid-template-columns:1fr;gap:40px}
h1{font-size:34px}h2{font-size:26px}
.g4,.g3{grid-template-columns:repeat(2,1fr)}
.fgrid{grid-template-columns:1fr 1fr}
.menu{position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;padding:12px;display:none}
.menu.open{display:flex}
.burger{display:block}
.nv>.btn{display:none}
}
@media(max-width:620px){
.g4,.g3,.g2,.f2,.metrics{grid-template-columns:1fr}
.metrics{grid-template-columns:1fr 1fr;gap:14px}
section{padding:56px 0}.cta{padding:34px}
.nitem{flex-direction:column;gap:8px}.nitem time{flex:none}
.brandline{font-size:14px;letter-spacing:5px}.logo b.bcn{font-size:17px;letter-spacing:3px}
}