*{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:#1f2937;background:#f6f9ff;line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
:root{--brand:#2f6bff;--brand2:#00d4ff;--grad:linear-gradient(135deg,#2f6bff 0%,#00d4ff 100%);--dark:#0b1526;--ink:#1f2937;--muted:#6b7280;--card:#fff;--line:#e5eaf4;--radius:16px;--shadow:0 10px 40px rgba(47,107,255,.12)}
.wrap{width:min(1200px,92%);margin:0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 34px;border-radius:999px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s;border:none}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(47,107,255,.35)}
.btn-grad:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(47,107,255,.45)}
.btn-ghost{background:#fff;color:var(--brand);border:2px solid var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff}
.btn-lg{padding:17px 44px;font-size:17px}
.sec-title{font-size:36px;font-weight:800;color:var(--dark);text-align:center;margin-bottom:14px}
.sec-sub{font-size:17px;color:var(--muted);text-align:center;max-width:720px;margin:0 auto 52px}
.topbar{position:fixed;top:0;left:0;right:0;z-index:999;background:transparent;transition:all .35s}
.topbar.scrolled{background:rgba(11,21,38,.92);backdrop-filter:blur(14px);box-shadow:0 4px 24px rgba(0,0,0,.18)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:42px}
.logo b{font-size:21px;color:#fff;letter-spacing:1px}
.topbar .nav{display:flex;align-items:center;gap:6px}
.nav>li{position:relative}
.nav>li>a{display:flex;align-items:center;gap:5px;padding:10px 16px;color:rgba(255,255,255,.9);font-size:15.5px;font-weight:500;border-radius:8px;transition:all .25s}
.nav>li>a:hover{color:#fff;background:rgba(255,255,255,.12)}
.nav .caret{display:inline-block;transition:transform .3s;font-size:12px}
.nav>li:hover .caret{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:210px;background:#fff;border-radius:14px;box-shadow:0 16px 48px rgba(11,21,38,.18);padding:10px;opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s;z-index:99}
.nav>li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 16px;border-radius:10px;color:#374151;font-size:14.5px;transition:all .2s}
.dropdown a:hover{background:#eef4ff;color:var(--brand)}
.nav .btn{color:#fff;margin-left:8px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:26px;height:3px;background:#fff;border-radius:3px;transition:all .3s}
.burger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.hero{position:relative;background:radial-gradient(1200px 600px at 80% -10%,rgba(0,212,255,.25),transparent 60%),linear-gradient(160deg,#0b1526 0%,#102a56 55%,#12306e 100%);color:#fff;padding:150px 0 110px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.hero .wrap{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(47,107,255,.18);border:1px solid rgba(0,212,255,.4);color:#7dd8ff;padding:8px 18px;border-radius:999px;font-size:14px;margin-bottom:22px}
.hero h1{font-size:52px;line-height:1.22;font-weight:800;margin-bottom:20px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:19px;color:rgba(255,255,255,.78);margin-bottom:34px;max-width:540px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:44px}
.hero-stats{display:flex;gap:44px;flex-wrap:wrap}
.hero-stats .st b{font-size:32px;display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-stats .st span{font-size:14px;color:rgba(255,255,255,.65)}
.demo{background:#fff;border-radius:20px;box-shadow:0 24px 80px rgba(0,0,0,.45);overflow:hidden;position:relative}
.demo-head{display:flex;align-items:center;gap:8px;padding:14px 18px;background:#f2f6ff;border-bottom:1px solid var(--line)}
.demo-head i{width:11px;height:11px;border-radius:50%;display:inline-block}
.demo-head i:nth-child(1){background:#ff5f57}.demo-head i:nth-child(2){background:#febc2e}.demo-head i:nth-child(3){background:#28c840}
.demo-head .dname{flex:1;text-align:center;font-size:13.5px;color:#4b5563;font-weight:600}
.demo-tabs{display:flex;gap:8px;padding:12px 14px;border-bottom:1px solid var(--line);background:#fff;flex-wrap:wrap}
.demo-tabs button{border:1px solid var(--line);background:#fff;color:#4b5563;padding:7px 16px;border-radius:999px;font-size:13.5px;cursor:pointer;transition:all .25s}
.demo-tabs button.on{background:var(--grad);color:#fff;border-color:transparent}
.demo-body{display:grid;grid-template-columns:1.35fr 1fr;height:420px}
.chat-pane{display:flex;flex-direction:column;border-right:1px solid var(--line);background:#fafcff}
.chat-msg{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px}
.bubble{max-width:82%;padding:11px 15px;border-radius:14px;font-size:14px;line-height:1.55;animation:pop .3s ease}
.bubble.cust{background:#eef4ff;color:#1f2937;border-top-left-radius:4px;align-self:flex-start}
.bubble.me{background:var(--grad);color:#fff;border-top-right-radius:4px;align-self:flex-end}
@keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.script-pane{display:flex;flex-direction:column;background:#fff}
.script-pane .sp-title{padding:13px 16px;font-size:14px;font-weight:700;color:var(--dark);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.script-pane .sp-title small{color:#9ca3af;font-weight:400}
.script-list{flex:1;overflow-y:auto;padding:10px}
.script-item{border:1px solid var(--line);border-radius:12px;padding:11px 13px;margin-bottom:9px;cursor:pointer;transition:all .22s;background:#fff}
.script-item:hover{border-color:var(--brand);box-shadow:0 6px 18px rgba(47,107,255,.15);transform:translateX(3px)}
.script-item b{display:block;font-size:13.5px;color:var(--dark);margin-bottom:3px}
.script-item span{font-size:12px;color:#9ca3af}
.chat-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}
.chat-input input{flex:1;border:1px solid var(--line);border-radius:999px;padding:10px 16px;font-size:13.5px;outline:none;transition:border .2s}
.chat-input input:focus{border-color:var(--brand)}
.chat-input button{background:var(--grad);border:none;color:#fff;width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:16px;flex:none}
.chat-input button:hover{transform:scale(1.08)}
.section{padding:96px 0}
.section.alt{background:#fff}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:all .3s;position:relative;overflow:hidden}
.fcard::after{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);opacity:0;transition:opacity .3s}
.fcard:hover{transform:translateY(-8px);box-shadow:0 18px 44px rgba(47,107,255,.16);border-color:transparent}
.fcard:hover::after{opacity:1}
.fcard .ic{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,rgba(47,107,255,.12),rgba(0,212,255,.12));display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px}
.fcard h3{font-size:19px;color:var(--dark);margin-bottom:10px}
.fcard p{font-size:14.5px;color:var(--muted)}
.demo-strip{background:linear-gradient(160deg,#0b1526,#12306e);color:#fff;padding:96px 0;position:relative;overflow:hidden}
.demo-strip .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.demo-strip h2{font-size:36px;font-weight:800;margin-bottom:18px}
.demo-strip p{color:rgba(255,255,255,.75);font-size:16.5px;margin-bottom:26px}
.steps-mini{display:flex;flex-direction:column;gap:16px}
.steps-mini .sm{display:flex;gap:14px;align-items:flex-start}
.steps-mini .sm i{flex:none;width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-style:normal;font-weight:700;font-size:15px}
.steps-mini .sm b{display:block;font-size:16px;margin-bottom:3px}
.steps-mini .sm span{font-size:14px;color:rgba(255,255,255,.65)}
.scenarios{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:all .3s;cursor:pointer}
.scard:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(47,107,255,.14)}
.scard .s-tag{display:inline-block;background:linear-gradient(135deg,rgba(47,107,255,.1),rgba(0,212,255,.1));color:var(--brand);font-size:13px;font-weight:600;padding:5px 14px;border-radius:999px;margin-bottom:16px}
.scard h3{font-size:18.5px;color:var(--dark);margin-bottom:10px}
.scard p{font-size:14.5px;color:var(--muted)}
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.plan{background:#fff;border:2px solid var(--line);border-radius:22px;padding:38px 32px;text-align:center;position:relative;transition:all .3s;display:flex;flex-direction:column}
.plan:hover{transform:translateY(-8px);box-shadow:0 20px 50px rgba(47,107,255,.14)}
.plan.hot{border-color:var(--brand);box-shadow:0 20px 56px rgba(47,107,255,.22);transform:scale(1.03)}
.plan .pop{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:13px;font-weight:700;padding:6px 20px;border-radius:999px;white-space:nowrap}
.plan h3{font-size:21px;color:var(--dark)}
.plan .price{margin:20px 0 8px}
.plan .price b{font-size:46px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.plan .price span{color:var(--muted);font-size:14px}
.plan .p-desc{color:var(--muted);font-size:14px;margin-bottom:24px}
.plan ul{text-align:left;margin-bottom:30px;flex:1}
.plan ul li{padding:9px 0;font-size:14.5px;color:#374151;border-bottom:1px dashed var(--line);display:flex;gap:9px;align-items:center}
.plan ul li::before{content:"✓";color:var(--brand);font-weight:800}
.faq{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:16px;overflow:hidden;transition:all .3s}
.faq-item.open{border-color:rgba(47,107,255,.5);box-shadow:0 10px 30px rgba(47,107,255,.12)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:22px 26px;background:none;border:none;cursor:pointer;font-size:17px;font-weight:600;color:var(--dark);text-align:left}
.faq-q .arr{flex:none;width:28px;height:28px;border-radius:50%;background:#eef4ff;color:var(--brand);display:flex;align-items:center;justify-content:center;transition:transform .3s;font-size:13px}
.faq-item.open .arr{transform:rotate(180deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a-in{padding:0 26px 24px;color:var(--muted);font-size:15px}
.faq-a-in ol{margin-left:20px}
.faq-a-in ol li{margin-bottom:8px}
.testis{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tcard{background:#fff;border-radius:var(--radius);padding:28px;border:1px solid var(--line);transition:all .3s}
.tcard:hover{transform:translateY(-5px);box-shadow:0 14px 36px rgba(47,107,255,.12)}
.tcard .stars{color:#ffb400;font-size:15px;letter-spacing:2px;margin-bottom:14px}
.tcard p{font-size:14.5px;color:#4b5563;margin-bottom:18px}
.tcard .who{display:flex;align-items:center;gap:12px}
.tcard .who i{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-style:normal;font-weight:700;font-size:16px}
.tcard .who b{display:block;font-size:15px;color:var(--dark)}
.tcard .who span{font-size:12.5px;color:#9ca3af}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ncard{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:all .3s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-8px);box-shadow:0 18px 44px rgba(47,107,255,.16)}
.ncard img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s}
.ncard:hover img{transform:scale(1.06)}
.ncard .nc-body{padding:22px;display:flex;flex-direction:column;flex:1}
.ncard .nc-tag{font-size:12.5px;color:var(--brand);background:rgba(47,107,255,.08);padding:4px 12px;border-radius:999px;display:inline-block;align-self:flex-start;margin-bottom:12px}
.ncard h3{font-size:17px;color:var(--dark);line-height:1.5;margin-bottom:10px}
.ncard p{font-size:14px;color:var(--muted);flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ncard .nc-date{font-size:12.5px;color:#9ca3af;margin-top:14px}
.cta-band{background:linear-gradient(160deg,#0b1526,#12306e);border-radius:28px;padding:70px 60px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;width:380px;height:380px;border-radius:50%;background:rgba(0,212,255,.15);top:-160px;right:-100px;filter:blur(20px)}
.cta-band h2{font-size:34px;font-weight:800;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.75);margin-bottom:30px;font-size:16px}
footer{background:#0b1526;color:rgba(255,255,255,.72);padding:70px 0 0}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:50px}
.foot .fbrand p{font-size:14px;margin-top:16px;max-width:300px}
.foot h4{color:#fff;font-size:16.5px;margin-bottom:18px}
.foot ul li{margin-bottom:11px}
.foot ul a{font-size:14px;transition:color .2s}
.foot ul a:hover{color:#00d4ff}
.foot-bot{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;text-align:center;font-size:13.5px;color:rgba(255,255,255,.45)}
.crumb{background:linear-gradient(160deg,#0b1526,#12306e);color:#fff;padding:128px 0 46px}
.crumb h1{font-size:38px;font-weight:800;text-align:center}
.crumb .bc{text-align:center;margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.65)}
.crumb .bc a:hover{color:#00d4ff}
.crumb .bc b{color:#fff;font-weight:600}
.pg{padding:70px 0}
.dl-layout{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.dl-layout h2{font-size:38px;font-weight:800;color:var(--dark);margin-bottom:16px}
.dl-layout h2 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.dl-layout .dl-info{font-size:16px;color:var(--muted);margin-bottom:28px}
.dl-meta{display:flex;gap:36px;margin-bottom:30px;flex-wrap:wrap}
.dl-meta b{font-size:26px;color:var(--dark);display:block}
.dl-meta span{font-size:13.5px;color:var(--muted)}
.ver-table{background:#fff;border-radius:22px;border:1px solid var(--line);overflow:hidden;box-shadow:0 14px 44px rgba(47,107,255,.08)}
.ver-row{display:grid;grid-template-columns:1.2fr 1fr 1.6fr auto;gap:18px;align-items:center;padding:26px 30px;border-bottom:1px solid var(--line)}
.ver-row:last-child{border-bottom:none}
.ver-row.hot{background:linear-gradient(90deg,rgba(47,107,255,.05),transparent)}
.ver-row .v-name b{font-size:19px;color:var(--dark);display:block}
.ver-row .v-name span{font-size:13px;color:#9ca3af}
.ver-row .v-size{font-size:15px;color:#4b5563}
.ver-row .v-rights{font-size:14px;color:var(--muted)}
.ver-row .v-rights li{padding:3px 0}
.ver-row .v-rights li::before{content:"✓ ";color:var(--brand);font-weight:800}
.sys-req{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sr-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;transition:all .3s}
.sr-card:hover{transform:translateY(-5px);box-shadow:0 12px 32px rgba(47,107,255,.12)}
.sr-card b{display:block;font-size:16.5px;color:var(--dark);margin-bottom:8px}
.sr-card span{font-size:14px;color:var(--muted)}
.install-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.is-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 24px;text-align:center;position:relative;transition:all .3s}
.is-card:hover{transform:translateY(-6px);box-shadow:0 14px 36px rgba(47,107,255,.14)}
.is-card .num{width:44px;height:44px;margin:0 auto 16px;border-radius:50%;background:var(--grad);color:#fff;font-size:19px;font-weight:800;display:flex;align-items:center;justify-content:center}
.is-card b{display:block;font-size:17px;color:var(--dark);margin-bottom:9px}
.is-card p{font-size:14px;color:var(--muted)}
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-detail{display:grid;grid-template-columns:1fr 330px;gap:44px;align-items:start}
.nd-main{background:#fff;border-radius:22px;border:1px solid var(--line);padding:44px;overflow:hidden}
.nd-main h1{font-size:30px;line-height:1.45;color:var(--dark);margin-bottom:18px}
.nd-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:#9ca3af;font-size:13.5px;margin-bottom:26px;padding-bottom:22px;border-bottom:1px dashed var(--line)}
.nd-meta .tag{background:rgba(47,107,255,.08);color:var(--brand);padding:4px 14px;border-radius:999px;font-size:12.5px}
.nd-main img.nd-cover{width:100%;border-radius:16px;aspect-ratio:16/9;object-fit:cover;margin-bottom:30px}
.nd-main .lead-p{font-size:16.5px;color:#4b5563;background:#f6f9ff;border-left:4px solid var(--brand);padding:18px 22px;border-radius:0 12px 12px 0;margin-bottom:30px}
.nd-main h2{font-size:23px;color:var(--dark);margin:34px 0 16px;scroll-margin-top:90px;padding-left:14px;border-left:5px solid var(--brand);line-height:1.4}
.nd-main p{font-size:15.5px;color:#4b5563;margin-bottom:18px;line-height:1.9}
.nd-main img.nd-inline{width:100%;border-radius:14px;aspect-ratio:2/1;object-fit:cover;margin:26px 0}
.nd-main blockquote{background:linear-gradient(135deg,rgba(47,107,255,.06),rgba(0,212,255,.06));border-radius:14px;padding:20px 24px;margin:22px 0;color:#374151;font-size:15px;position:relative}
.nd-main blockquote b{color:var(--brand)}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{background:#fff;border-radius:18px;border:1px solid var(--line);box-shadow:0 10px 34px rgba(47,107,255,.08);padding:24px}
.side-card h3{font-size:16.5px;color:var(--dark);margin-bottom:18px;padding-left:12px;border-left:4px solid var(--brand);line-height:1.3}
.toc-list{position:relative;padding-left:18px}
.toc-list::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:var(--line)}
.toc-list li{position:relative;margin-bottom:14px}
.toc-list li::before{content:"";position:absolute;left:-16px;top:7px;width:9px;height:9px;border-radius:50%;background:#cbd5e1;border:2px solid #fff;box-shadow:0 0 0 2px var(--line);transition:all .25s}
.toc-list li.on::before{background:var(--brand);box-shadow:0 0 0 2px rgba(47,107,255,.35)}
.toc-list a{font-size:14px;color:var(--muted);transition:all .2s;line-height:1.5}
.toc-list li.on a{color:var(--brand);font-weight:700}
.toc-list a:hover{color:var(--brand)}
.rank-list li{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.rank-list .rk{flex:none;width:26px;height:26px;border-radius:8px;background:#e5e7eb;color:#6b7280;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:transform .2s}
.rank-list li:nth-child(1) .rk{background:linear-gradient(135deg,#2f6bff,#00d4ff);color:#fff}
.rank-list li:nth-child(2) .rk{background:linear-gradient(135deg,#ff8a00,#ffb400);color:#fff}
.rank-list li:nth-child(3) .rk{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#fff}
.rank-list li:hover .rk{transform:scale(1.15)}
.rank-list a{font-size:13.5px;color:#4b5563;line-height:1.5;transition:color .2s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rank-list a:hover{color:var(--brand)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{font-size:13px;color:#4b5563;background:#f3f6fd;padding:7px 15px;border-radius:999px;border:1px solid transparent;transition:all .25s}
.tag-cloud a::before{content:"#";color:var(--brand);margin-right:2px}
.tag-cloud a:hover{color:var(--brand);border-color:var(--brand);background:#fff}
.comments{margin-top:36px}
.comments h3{font-size:18px;color:var(--dark);margin-bottom:20px;padding-left:12px;border-left:4px solid var(--brand)}
.cm-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed var(--line)}
.cm-item .av{flex:none;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}
.cm-item .cm-body b{font-size:14.5px;color:var(--dark);margin-right:10px}
.cm-item .cm-body time{font-size:12.5px;color:#9ca3af}
.cm-item .cm-body p{font-size:14px;color:#4b5563;margin-top:6px;margin-bottom:0}
.pager{display:flex;justify-content:space-between;gap:16px;margin-top:34px;flex-wrap:wrap}
.pager a{flex:1;min-width:200px;background:#f6f9ff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;transition:all .25s;display:block}
.pager a:hover{border-color:var(--brand);box-shadow:0 8px 24px rgba(47,107,255,.12)}
.pager a small{display:block;color:#9ca3af;font-size:12.5px;margin-bottom:5px}
.pager a b{font-size:14.5px;color:var(--dark);font-weight:600;display:block;line-height:1.45}
.pager a.next{text-align:right}
.sitemap-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.smap-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px}
.smap-card h2{font-size:19px;color:var(--dark);margin-bottom:18px;padding-left:12px;border-left:4px solid var(--brand)}
.smap-card ul li{margin-bottom:12px}
.smap-card ul a{font-size:14.5px;color:#4b5563;transition:color .2s;display:flex;align-items:center;gap:8px}
.smap-card ul a::before{content:"›";color:var(--brand);font-weight:800}
.smap-card ul a:hover{color:var(--brand)}
.notfound{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(800px 500px at 50% 20%,rgba(0,212,255,.18),transparent),#0b1526;color:#fff;text-align:center;padding:40px}
.notfound .code{font-size:140px;font-weight:900;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.notfound h1{font-size:30px;margin:18px 0 12px}
.notfound p{color:rgba(255,255,255,.65);margin-bottom:30px}
.reveal{opacity:0;transform:translateY(34px);transition:all .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.float-anim{animation:floaty 5s ease-in-out infinite}
@media(max-width:992px){
.hero .wrap{grid-template-columns:1fr;gap:44px;padding-top:20px}
.hero h1{font-size:40px}
.features{grid-template-columns:repeat(2,1fr)}
.scenarios{grid-template-columns:repeat(2,1fr)}
.testis{grid-template-columns:1fr}
.news-grid,.news-list{grid-template-columns:repeat(2,1fr)}
.pricing{grid-template-columns:1fr;max-width:520px;margin:0 auto}
.plan.hot{transform:none}
.demo-strip .wrap{grid-template-columns:1fr}
.dl-layout{grid-template-columns:1fr}
.install-steps{grid-template-columns:repeat(2,1fr)}
.sys-req{grid-template-columns:repeat(2,1fr)}
.news-detail{grid-template-columns:1fr}
.side-sticky{position:static}
.sitemap-cols{grid-template-columns:1fr 1fr}
.ver-row{grid-template-columns:1fr 1fr;gap:12px;padding:22px 24px}
.ver-row .v-rights{grid-column:1/-1}
.ver-row .v-btn{grid-column:1/-1}
.foot{grid-template-columns:1fr 1fr}
.burger{display:flex}
.nav{position:fixed;top:74px;left:0;right:0;background:rgba(11,21,38,.97);backdrop-filter:blur(16px);flex-direction:column;align-items:stretch;padding:14px 5% 26px;gap:4px;display:none}
.nav.open{display:flex}
.nav>li>a{color:#fff;justify-content:space-between;padding:13px 10px;font-size:16px}
.nav .btn{margin:10px 0 0;text-align:center}
.dropdown{position:static;min-width:0;background:rgba(255,255,255,.06);box-shadow:none;opacity:1;visibility:visible;transform:none;display:none;border-radius:12px}
.nav>li:hover .dropdown{transform:none}
.nav>li .caret.rot{transform:rotate(180deg)}
.nav>li.dd-open .dropdown{display:block}
.dropdown a{color:rgba(255,255,255,.85)}
.dropdown a:hover{background:rgba(255,255,255,.1);color:#fff}
}
@media(max-width:768px){
.hero h1{font-size:32px}
.sec-title{font-size:28px}
.features{grid-template-columns:1fr}
.scenarios{grid-template-columns:1fr}
.news-grid,.news-list{grid-template-columns:1fr}
.demo-body{grid-template-columns:1fr;height:auto}
.chat-pane{height:330px;border-right:none;border-bottom:1px solid var(--line)}
.script-pane{max-height:280px}
.install-steps{grid-template-columns:1fr}
.sys-req{grid-template-columns:1fr}
.sitemap-cols{grid-template-columns:1fr}
.foot{grid-template-columns:1fr}
.nd-main{padding:26px 20px}
.nd-main h1{font-size:24px}
.hero-stats{gap:28px}
.cta-band{padding:50px 26px}
.dl-meta{gap:24px}
}
@media(max-width:480px){
.hero{padding:130px 0 80px}
.hero h1{font-size:27px}
.hero p.lead{font-size:16.5px}
.btn-lg{padding:15px 32px;font-size:15.5px}
.hero-cta .btn{flex:1;justify-content:center}
.sec-title{font-size:24px}
.section{padding:70px 0}
.ver-row{grid-template-columns:1fr}
.ver-row .v-rights{grid-column:auto}
.crumb h1{font-size:28px}
.nd-main h2{font-size:20px}
.pager a{min-width:100%}
}