:root{--primary:#3b5bff;--primary2:#7c3aed;--grad:linear-gradient(135deg,#3b5bff,#7c3aed);--dark:#0e1330;--bg:#f6f8fd;--card:#ffffff;--text:#2a3352;--muted:#6b7394;--border:#e8ecf7;--radius:16px;--shadow:0 10px 30px rgba(20,30,80,.08);--shadow-lg:0 20px 50px rgba(20,30,80,.16)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:15px;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.nav{position:fixed;top:0;left:0;right:0;z-index:999;transition:background .3s,box-shadow .3s;background:transparent}
.nav.scrolled{background:rgba(14,19,48,.92);box-shadow:0 6px 24px rgba(0,0,0,.25);backdrop-filter:blur(12px)}
.nav-in{display:flex;align-items:center;height:72px;gap:28px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo img{width:36px;height:36px;border-radius:8px}
.logo b{color:#fff;font-size:19px;letter-spacing:.5px}
.menu{display:flex;align-items:center;gap:6px;flex:1}
.menu>li{position:relative}
.menu>li>a{display:flex;align-items:center;gap:5px;color:rgba(255,255,255,.88);padding:10px 14px;font-size:15px;border-radius:10px;transition:all .25s;white-space:nowrap}
.menu>li>a:hover{color:#fff;background:rgba(255,255,255,.12)}
.menu .arrow{display:inline-block;font-size:11px;transition:transform .3s}
.menu>li:hover .arrow{transform:rotate(180deg)}
.drop{position:absolute;top:calc(100% + 8px);left:0;min-width:210px;background:#fff;border-radius:14px;box-shadow:0 16px 40px rgba(14,19,48,.18);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .28s}
.menu>li:hover .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop a{display:block;padding:10px 14px;border-radius:9px;color:var(--text);font-size:14px;transition:all .2s}
.drop a:hover{background:rgba(59,91,255,.08);color:var(--primary);padding-left:18px}
.nav-cta{margin-left:auto;flex-shrink:0}
.nav-cta a{display:inline-block;background:var(--grad);color:#fff;padding:11px 24px;border-radius:999px;font-size:15px;font-weight:600;box-shadow:0 8px 20px rgba(91,72,255,.4);transition:transform .25s,box-shadow .25s;white-space:nowrap}
.nav-cta a:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(91,72,255,.55)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;margin-left:auto}
.burger span{display:block;width:24px;height:2.5px;background:#fff;border-radius:2px;transition:all .3s}
.burger.on span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.hero{position:relative;background:radial-gradient(1200px 600px at 80% -10%,rgba(124,58,237,.55),transparent 60%),radial-gradient(900px 500px at -10% 30%,rgba(59,91,255,.5),transparent 55%),linear-gradient(160deg,#0c1030,#1b1f52 60%,#241a5e);color:#fff;padding:150px 0 90px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse at 50% 30%,#000 30%,transparent 75%)}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:7px 16px;border-radius:999px;font-size:13px;color:#c9d4ff;margin-bottom:22px}
.tag i{width:7px;height:7px;background:#4ade80;border-radius:50%;box-shadow:0 0 0 4px rgba(74,222,128,.25)}
.hero h1{font-size:46px;line-height:1.22;margin-bottom:18px;font-weight:800}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#7dd3fc,#c4b5fd);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{font-size:17px;color:#b9c3e8;max-width:520px;margin-bottom:32px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:38px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:15px 34px;border-radius:999px;font-size:16px;font-weight:700;transition:all .28s;cursor:pointer;border:none}
.btn-main{background:var(--grad);color:#fff;box-shadow:0 12px 30px rgba(91,72,255,.5)}
.btn-main:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(91,72,255,.65)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-lg{padding:17px 40px;font-size:17px}
.hero-stats{display:flex;gap:44px;flex-wrap:wrap}
.hero-stats .num{font-size:32px;font-weight:800;background:linear-gradient(90deg,#7dd3fc,#c4b5fd);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .lb{font-size:13px;color:#9aa5cd;margin-top:2px}
.sec{padding:88px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 52px}
.sec-head .kicker{display:inline-block;color:var(--primary);font-weight:700;font-size:14px;letter-spacing:2px;margin-bottom:12px}
.sec-head h2{font-size:34px;font-weight:800;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:var(--card);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid var(--border);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.feat .ico{width:52px;height:52px;border-radius:14px;background:rgba(59,91,255,.1);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feat .ico svg{width:26px;height:26px;stroke:var(--primary)}
.feat h3{font-size:18px;margin-bottom:10px}
.feat p{color:var(--muted);font-size:14px}
.alt{background:#fff}
.flow{background:linear-gradient(160deg,#0c1030,#241a5e);color:#fff;position:relative;overflow:hidden}
.flow .sec-head h2{color:#fff}
.flow .sec-head p{color:#b9c3e8}
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.flow-steps .st{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:28px;position:relative}
.flow-steps .st::before{counter-increment:step;content:counter(step);position:absolute;top:16px;right:20px;font-size:44px;font-weight:800;color:rgba(255,255,255,.12)}
.flow-steps h3{font-size:17px;margin-bottom:10px;color:#fff}
.flow-steps p{color:#b9c3e8;font-size:14px}
.scene .card{position:relative;overflow:hidden}
.scene .card::after{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);opacity:0;transition:opacity .3s}
.scene .card:hover::after{opacity:1}
.scene .badge{display:inline-block;background:rgba(59,91,255,.09);color:var(--primary);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:14px}
.pricing .plan{position:relative;padding:36px 30px;text-align:left}
.pricing .plan.pop{border:2px solid var(--primary);transform:scale(1.03);box-shadow:var(--shadow-lg)}
.pricing .plan.pop:hover{transform:scale(1.03) translateY(-6px)}
.pricing .pop-tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:5px 18px;border-radius:999px;white-space:nowrap}
.pricing .plan h3{font-size:19px;margin-bottom:6px}
.pricing .plan .desc{color:var(--muted);font-size:13px;margin-bottom:18px}
.pricing .price{font-size:40px;font-weight:800;color:var(--dark)}
.pricing .price small{font-size:15px;color:var(--muted);font-weight:500}
.pricing ul{margin:22px 0 26px}
.pricing li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--text);padding:7px 0}
.pricing li::before{content:"✓";color:var(--primary);font-weight:800;flex-shrink:0}
.pricing .btn{width:100%}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:14px;margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:20px 24px;cursor:pointer;font-weight:700;font-size:16px}
.faq-q .pm{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:rgba(59,91,255,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:17px;transition:transform .3s}
.faq-item.on .pm{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted)}
.faq-a .inner{padding:0 24px 22px;font-size:14.5px}
.faq-a ol{padding-left:20px;margin-top:10px}
.faq-a li{margin:6px 0}
.testi{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi .card{display:flex;flex-direction:column}
.testi .stars{color:#f59e0b;letter-spacing:3px;margin-bottom:14px;font-size:15px}
.testi p{font-size:14.5px;color:var(--text);flex:1}
.testi .who{display:flex;align-items:center;gap:12px;margin-top:18px}
.testi .ava{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;flex-shrink:0}
.testi .who b{font-size:14px;display:block}
.testi .who span{font-size:12px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-card .bd{padding:20px}
.news-card .date{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px;margin-bottom:8px}
.news-card h3{font-size:16px;line-height:1.5;margin-bottom:10px;transition:color .25s}
.news-card:hover h3{color:var(--primary)}
.news-card .more{color:var(--primary);font-size:13px;font-weight:700}
.cta{background:linear-gradient(135deg,#3b5bff,#7c3aed);border-radius:24px;padding:60px 40px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.12);top:-120px;left:-80px}
.cta::after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.1);bottom:-110px;right:-60px}
.cta h2{font-size:32px;font-weight:800;margin-bottom:12px;position:relative;z-index:1}
.cta p{color:rgba(255,255,255,.85);margin-bottom:28px;position:relative;z-index:1}
.cta .btn{background:#fff;color:var(--primary);position:relative;z-index:1}
.cta .btn:hover{transform:translateY(-3px)}
footer{background:#0b0e26;color:#b9c3e8;padding:64px 0 26px;margin-top:88px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.foot .logo b{color:#fff}
.foot .about{font-size:13.5px;margin-top:14px;max-width:300px;line-height:1.8}
.foot h4{color:#fff;font-size:15px;margin-bottom:16px}
.foot a{display:block;font-size:13.5px;color:#9aa5cd;padding:5px 0;transition:color .2s}
.foot a:hover{color:#fff}
.copy{border-top:1px solid rgba(255,255,255,.08);padding-top:22px;font-size:12.5px;color:#7a85b4;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.pg-hero{background:radial-gradient(900px 500px at 80% -10%,rgba(124,58,237,.5),transparent 60%),linear-gradient(160deg,#0c1030,#241a5e);color:#fff;padding:150px 0 70px}
.pg-hero h1{font-size:38px;font-weight:800;margin-bottom:14px}
.pg-hero .sub{color:#b9c3e8;max-width:640px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#9aa5cd;margin-bottom:16px}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.5}
.dl-hero-in{display:grid;grid-template-columns:1fr .95fr;gap:52px;align-items:center}
.dl-data{display:flex;gap:36px;flex-wrap:wrap;margin:26px 0 30px}
.dl-data .num{font-size:26px;font-weight:800;color:#fff}
.dl-data .lb{font-size:12.5px;color:#9aa5cd}
.ver-card{background:var(--card);border-radius:18px;border:1px solid var(--border);box-shadow:var(--shadow);padding:32px;position:relative;transition:transform .3s,box-shadow .3s}
.ver-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.ver-card.pop{border:2px solid var(--primary)}
.ver-card .vname{font-size:20px;font-weight:800;margin-bottom:4px}
.ver-card .vinfo{color:var(--muted);font-size:13px;margin-bottom:18px}
.ver-card ul{margin-bottom:24px}
.ver-card li{font-size:14px;padding:6px 0;display:flex;gap:9px}
.ver-card li::before{content:"✓";color:var(--primary);font-weight:800;flex-shrink:0}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sys-item{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:var(--shadow)}
.sys-item .ico{width:42px;height:42px;border-radius:11px;background:rgba(59,91,255,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:19px}
.sys-item b{font-size:14.5px;display:block;margin-bottom:3px}
.sys-item span{font-size:13px;color:var(--muted)}
.news-layout{display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:start}
.article{background:var(--card);border-radius:20px;border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden}
.article .cover{width:100%;aspect-ratio:16/9;object-fit:cover}
.article .bd{padding:38px 42px}
.article .meta{display:flex;gap:18px;color:var(--muted);font-size:13px;margin-bottom:16px;flex-wrap:wrap}
.article h1{font-size:27px;line-height:1.45;font-weight:800;margin-bottom:20px}
.article .lead{background:rgba(59,91,255,.06);border-left:4px solid var(--primary);padding:16px 20px;border-radius:0 12px 12px 0;font-size:15px;color:#4a5580;margin-bottom:26px}
.article h2{font-size:21px;font-weight:800;margin:34px 0 14px;scroll-margin-top:90px}
.article p{font-size:15px;color:#3c4568;margin-bottom:16px;text-align:justify}
.article .inline{width:100%;aspect-ratio:2/1;object-fit:cover;border-radius:14px;margin:22px 0}
.article .data-box{background:linear-gradient(135deg,rgba(59,91,255,.08),rgba(124,58,237,.08));border:1px solid rgba(59,91,255,.18);border-radius:14px;padding:20px 24px;margin:22px 0}
.article .data-box b{color:var(--primary);font-size:17px}
.article .quote{border-left:4px solid var(--primary2);padding:6px 0 6px 18px;margin:18px 0;color:#4a5580;font-style:italic}
.article .quote b{font-style:normal;color:var(--primary)}
.comments{margin-top:40px;border-top:1px solid var(--border);padding-top:28px}
.comments h3{font-size:19px;font-weight:800;margin-bottom:20px}
.cm{display:flex;gap:13px;padding:16px 0;border-bottom:1px dashed var(--border)}
.cm:last-child{border-bottom:none}
.cm .ava{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.cm .cb{font-size:13.5px}
.cm .cb b{font-size:14px;display:block;margin-bottom:2px}
.cm .cb .dt{color:var(--muted);font-size:12px;margin-left:8px;font-weight:400}
.cm p{margin:6px 0 0;font-size:13.5px;color:#4a5580;text-align:left}
.side{position:sticky;top:88px;display:flex;flex-direction:column;gap:22px}
.side-card{background:var(--card);border-radius:16px;border:1px solid var(--border);box-shadow:var(--shadow);padding:22px}
.side-card h3{font-size:16px;font-weight:800;padding-left:12px;border-left:4px solid var(--primary);margin-bottom:16px}
.toc-item{position:relative;padding:9px 0 9px 22px;border-left:2px solid var(--border);font-size:13.5px;color:var(--muted);cursor:pointer;transition:color .25s;margin-left:6px}
.toc-item::before{content:"";position:absolute;left:-5px;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:50%;background:#c9d1ec;transition:background .25s}
.toc-item:hover{color:var(--primary)}
.toc-item.act{color:var(--primary);font-weight:700;border-left-color:var(--primary)}
.toc-item.act::before{background:var(--primary);box-shadow:0 0 0 3px rgba(59,91,255,.2)}
.hot-item{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px solid var(--border);font-size:13.5px;transition:all .2s}
.hot-item:last-child{border-bottom:none}
.hot-item .rank{width:26px;height:26px;border-radius:8px;background:#e3e7f5;color:#7a85b4;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .2s}
.hot-item:nth-child(1) .rank{background:var(--grad);color:#fff}
.hot-item:nth-child(2) .rank{background:linear-gradient(135deg,#f59e0b,#f97316);color:#fff}
.hot-item:nth-child(3) .rank{background:linear-gradient(135deg,#eab308,#d97706);color:#fff}
.hot-item:hover .rank{transform:scale(1.12)}
.hot-item:hover span{color:var(--primary)}
.cat-tags{display:flex;flex-wrap:wrap;gap:9px}
.cat-tags a{font-size:12.5px;color:var(--muted);background:#f3f5fc;border:1px solid var(--border);padding:6px 13px;border-radius:999px;transition:all .25s}
.cat-tags a:hover{color:var(--primary);border-color:var(--primary);background:#fff}
.art-nav{display:flex;justify-content:space-between;gap:14px;margin-top:28px;font-size:14px;flex-wrap:wrap}
.art-nav a{color:var(--primary);font-weight:700}
.art-nav .back{display:block;text-align:center;margin-top:16px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.rel-grid .news-card h3{font-size:14px}
.demo{border-radius:20px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.45);background:#fff;color:var(--text)}
.demo-bar{display:flex;align-items:center;gap:8px;background:#f4f6fd;padding:12px 16px;border-bottom:1px solid var(--border)}
.demo-bar .dot{width:11px;height:11px;border-radius:50%}
.demo-bar .d1{background:#ff5f57}.demo-bar .d2{background:#febc2e}.demo-bar .d3{background:#28c840}
.demo-bar b{margin-left:10px;font-size:13.5px;color:#4a5580}
.demo-body{display:flex;height:440px}
.demo-chat{flex:1;display:flex;flex-direction:column;background:#f7f9ff;border-right:1px solid var(--border)}
.demo-msgs{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}
.bub{max-width:78%;padding:10px 14px;border-radius:14px;font-size:13.5px;line-height:1.55;animation:pop .3s ease}
.bub-in{background:#fff;border:1px solid var(--border);border-bottom-left-radius:4px;align-self:flex-start}
.bub-out{background:var(--grad);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
.demo-input{display:flex;gap:9px;padding:12px;background:#fff;border-top:1px solid var(--border)}
.demo-input input{flex:1;border:1px solid var(--border);border-radius:999px;padding:10px 16px;font-size:13.5px;outline:none;transition:border .2s}
.demo-input input:focus{border-color:var(--primary)}
.demo-input button{background:var(--grad);border:none;color:#fff;padding:0 20px;border-radius:999px;font-size:13.5px;font-weight:700;cursor:pointer}
.demo-assist{width:218px;display:flex;flex-direction:column;background:#fff}
.demo-tabs{display:flex;gap:6px;padding:10px;border-bottom:1px solid var(--border)}
.demo-tabs button{flex:1;border:none;background:#f3f5fc;border-radius:8px;padding:7px 0;font-size:12px;color:var(--muted);cursor:pointer;transition:all .2s}
.demo-tabs button.on{background:var(--grad);color:#fff;font-weight:700}
.demo-search{padding:10px}
.demo-search input{width:100%;border:1px solid var(--border);border-radius:9px;padding:8px 12px;font-size:12.5px;outline:none}
.demo-list{flex:1;overflow-y:auto;padding:0 10px 10px}
.demo-item{border:1px solid var(--border);border-radius:10px;padding:9px 11px;margin-bottom:8px;cursor:pointer;font-size:12.5px;line-height:1.5;transition:all .2s;background:#fafbff}
.demo-item:hover{border-color:var(--primary);background:rgba(59,91,255,.06);transform:translateX(3px)}
.demo-item b{display:block;color:var(--dark);font-size:12.5px;margin-bottom:3px}
.demo-item span{color:var(--muted);display:block;font-size:12px}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.96)}to{opacity:1;transform:none}}
.typing{display:inline-flex;gap:4px;padding:12px 16px;background:#fff;border:1px solid var(--border);border-radius:14px;border-bottom-left-radius:4px;align-self:flex-start}
.typing i{width:6px;height:6px;border-radius:50%;background:#b9c3e8;animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.3}30%{opacity:1}}
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(80px);background:#0e1330;color:#fff;padding:12px 24px;border-radius:999px;font-size:14px;z-index:9999;transition:transform .35s;opacity:0}
.toast.show{transform:translateX(-50%);opacity:1}
.err-hero{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(900px 500px at 70% 20%,rgba(124,58,237,.5),transparent 60%),linear-gradient(160deg,#0c1030,#241a5e);color:#fff;text-align:center}
.err-hero .code{font-size:130px;font-weight:800;background:linear-gradient(90deg,#7dd3fc,#c4b5fd);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.err-hero p{color:#b9c3e8;margin:18px 0 30px}
.sitemap-sec .sm-col{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px;box-shadow:var(--shadow)}
.sitemap-sec h3{font-size:17px;font-weight:800;margin-bottom:16px;padding-left:12px;border-left:4px solid var(--primary)}
.sitemap-sec a{display:block;padding:7px 0;color:#4a5580;font-size:14px;transition:all .2s}
.sitemap-sec a:hover{color:var(--primary);padding-left:8px}
.pagination{display:flex;justify-content:center;gap:10px;margin-top:40px}
.pagination a{width:40px;height:40px;border-radius:10px;background:var(--card);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-weight:700;transition:all .25s}
.pagination a.on,.pagination a:hover{background:var(--grad);color:#fff;border-color:transparent}
@media(max-width:992px){
.nav-in{height:64px}
.menu{position:fixed;top:64px;left:0;right:0;background:rgba(14,19,48,.97);flex-direction:column;align-items:stretch;padding:14px 20px 26px;gap:4px;max-height:0;overflow:hidden;opacity:0;transition:all .35s;backdrop-filter:blur(12px)}
.menu.open{max-height:86vh;opacity:1;overflow-y:auto}
.menu>li>a{color:#fff;padding:13px 10px}
.drop{position:static;opacity:1;visibility:visible;transform:none;background:rgba(255,255,255,.06);box-shadow:none;display:none;margin:2px 0 8px}
.menu>li.sub-open .drop{display:block}
.drop a{color:#c9d4ff}
.drop a:hover{color:#fff;background:rgba(255,255,255,.08);padding-left:18px}
.menu .arrow{transition:transform .3s}
.menu>li.sub-open .arrow{transform:rotate(180deg)}
.burger{display:flex}
.nav-cta{display:none}
.hero{padding:120px 0 70px}
.hero-in,.dl-hero-in{grid-template-columns:1fr;gap:40px}
.hero h1{font-size:36px}
.grid3,.testi,.news-grid,.rel-grid{grid-template-columns:repeat(2,1fr)}
.grid4,.flow-steps{grid-template-columns:repeat(2,1fr)}
.sys-grid{grid-template-columns:repeat(2,1fr)}
.news-layout{grid-template-columns:1fr}
.side{position:static;order:2}
.article .bd{padding:28px 24px}
.foot{grid-template-columns:1fr 1fr}
.demo-body{height:400px}
.sec{padding:64px 0}
}
@media(max-width:768px){
.hero h1{font-size:30px}
.hero-stats{gap:26px}
.hero-stats .num{font-size:26px}
.sec-head h2{font-size:26px}
.grid3,.grid4,.testi,.news-grid,.sys-grid,.flow-steps,.rel-grid{grid-template-columns:1fr}
.pricing .plan.pop{transform:none}
.pricing .plan.pop:hover{transform:translateY(-6px)}
.demo-body{flex-direction:column;height:auto}
.demo-assist{width:100%;max-height:240px}
.demo-chat{height:320px;border-right:none;border-bottom:1px solid var(--border)}
.foot{grid-template-columns:1fr}
.cta{padding:44px 24px}
.pg-hero{padding:120px 0 50px}
.pg-hero h1{font-size:28px}
.article h1{font-size:22px}
.dl-data{gap:24px}
}
@media(max-width:480px){
.wrap{padding:0 16px}
.hero-btns .btn{width:100%}
.btn-lg{padding:15px 26px;font-size:15px}
.sec{padding:52px 0}
.hero{padding:110px 0 56px}
.hero h1{font-size:26px}
.hero .sub{font-size:15px}
.article .bd{padding:22px 18px}
.article h2{font-size:18px}
.demo-chat{height:280px}
.err-hero .code{font-size:88px}
}