:root{--brand:#ff7a00;--brand2:#ffb300;--brand-grad:linear-gradient(135deg,#ff7a00,#ffb300);--dark:#0a1628;--dark2:#0f1f38;--ink:#1a2333;--muted:#5b6b85;--line:#e7ecf5;--bg:#f5f8ff;--card:#ffffff;--blue:#2e86ff;--green:#16c784;--red:#ff5b5b;--radius:16px;--shadow:0 10px 40px rgba(15,31,56,.08);--shadow-lg:0 18px 60px rgba(15,31,56,.16);--nav-h:72px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 52px}
.section-tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand);background:rgba(255,122,0,.1);padding:6px 16px;border-radius:100px;margin-bottom:16px}
.section-title{font-size:34px;line-height:1.3;color:var(--dark);font-weight:800}
.section-sub{font-size:16px;color:var(--muted);margin-top:14px}
.bg-white{background:var(--card)}
.bg-dark{background:var(--dark);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:100px;padding:14px 30px;font-size:16px;transition:all .25s ease;white-space:nowrap}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 8px 24px rgba(255,122,0,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(255,122,0,.5)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn-line{background:#fff;color:var(--dark);border:1px solid var(--line)}
.btn-line:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:10px 22px;font-size:14px}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);transition:background .3s ease,box-shadow .3s ease;background:rgba(10,22,40,.35);backdrop-filter:blur(8px)}
.nav.scrolled{background:rgba(10,22,40,.9);box-shadow:0 4px 20px rgba(0,0,0,.25)}
.nav-inner{height:var(--nav-h);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}
.logo img{width:38px;height:38px;border-radius:9px}
.logo em{font-style:normal;color:var(--brand2)}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-item{position:relative;color:#fff;font-size:15px;font-weight:600;padding:10px 14px;border-radius:10px;transition:all .2s}
.nav-item>a,.nav-item>span{display:inline-flex;align-items:center;gap:6px;cursor:pointer}
.nav-item:hover{background:rgba(255,255,255,.1)}
.nav-item .arrow{font-size:10px;transition:transform .25s;display:inline-block}
.nav-item:hover .arrow{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);padding:8px;min-width:200px;opacity:0;visibility:hidden;transition:all .25s;z-index:100}
.dropdown:before{content:"";position:absolute;top:-8px;left:0;right:0;height:8px}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown a{display:block;padding:10px 14px;border-radius:9px;color:var(--ink);font-size:14px;font-weight:500;transition:all .15s}
.dropdown a:hover{background:rgba(255,122,0,.08);color:var(--brand)}
.nav-right{display:flex;align-items:center;gap:14px}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px;z-index:1001}
.hamburger span{display:block;width:24px;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)}
.hero{position:relative;background:radial-gradient(1200px 600px at 80% -10%,rgba(46,134,255,.35),transparent 60%),radial-gradient(900px 500px at 10% 110%,rgba(255,122,0,.25),transparent 55%),var(--dark);color:#fff;padding:calc(var(--nav-h) + 60px) 0 80px;overflow:hidden}
.hero::after{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='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='1.5'/%3E%3C/g%3E%3C/svg%3E");pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero-title{font-size:46px;line-height:1.2;font-weight:900;letter-spacing:-1px}
.hero-title .hl{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:18px;color:rgba(255,255,255,.75);margin:20px 0 30px;max-width:520px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:42px;flex-wrap:wrap}
.stat .stat-num{font-size:34px;font-weight:900;color:var(--brand2)}
.stat .stat-label{font-size:14px;color:rgba(255,255,255,.6);margin-top:2px}
.demo{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:20px;backdrop-filter:blur(10px)}
.demo-card{background:#fff;border-radius:16px;color:var(--ink);overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.demo-top{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#f7f9ff;border-bottom:1px solid var(--line)}
.demo-top .dots{display:flex;gap:6px}
.demo-top .dots i{width:10px;height:10px;border-radius:50%;display:block}
.demo-top .dots i:nth-child(1){background:#ff5f57}
.demo-top .dots i:nth-child(2){background:#febc2e}
.demo-top .dots i:nth-child(3){background:#28c840}
.demo-top .demo-brand{font-size:13px;font-weight:700;color:var(--muted)}
.demo-body{padding:22px}
.demo-status{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);margin-bottom:18px}
.demo-status .led{width:10px;height:10px;border-radius:50%;background:#cbd5e1}
.demo-status.on .led{background:var(--green);box-shadow:0 0 10px var(--green)}
.gauge-wrap{position:relative;text-align:center;margin-bottom:18px}
.gauge{position:relative;width:180px;height:90px;margin:0 auto;overflow:hidden}
.gauge svg{transform:rotate(0)}
.gauge-bg{fill:none;stroke:#eef2f9;stroke-width:14;stroke-linecap:round}
.gauge-fill{fill:none;stroke:url(#g);stroke-width:14;stroke-linecap:round;stroke-dasharray:251;stroke-dashoffset:251;transition:stroke-dashoffset 1.2s ease}
.gauge-num{position:absolute;bottom:0;left:50%;transform:translateX(-50%);text-align:center}
.gauge-num b{font-size:40px;font-weight:900;color:var(--dark);display:block;line-height:1}
.gauge-num span{font-size:12px;color:var(--muted)}
.demo-metrics{display:flex;gap:10px;margin-bottom:18px}
.demo-metrics .metric{flex:1;background:#f7f9ff;border-radius:12px;padding:12px;text-align:center}
.demo-metrics .metric b{display:block;font-size:20px;font-weight:800;color:var(--dark)}
.demo-metrics .metric span{font-size:12px;color:var(--muted)}
.demo-controls{display:flex;gap:10px;margin-bottom:14px}
.demo-node{flex:1;position:relative}
.demo-node select{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:12px;font-size:14px;background:#fff;appearance:none;cursor:pointer}
.demo-switches{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}
.switch{display:flex;align-items:center;justify-content:space-between;background:#f7f9ff;border-radius:12px;padding:12px 14px;font-size:13px;font-weight:600}
.switch .track{width:40px;height:22px;background:#cbd5e1;border-radius:100px;position:relative;transition:background .25s;cursor:pointer}
.switch .track::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;background:#fff;border-radius:50%;transition:left .25s}
.switch.on .track{background:var(--brand)}
.switch.on .track::after{left:21px}
.demo-connect{width:100%;padding:15px;border-radius:14px;font-size:16px;font-weight:800;color:#fff;background:var(--brand-grad);transition:all .25s;box-shadow:0 8px 20px rgba(255,122,0,.35)}
.demo-connect.connected{background:linear-gradient(135deg,#16c784,#0fae6f);box-shadow:0 8px 20px rgba(22,199,132,.35)}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:all .3s;position:relative;overflow:hidden}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.feature-icon{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px;background:rgba(255,122,0,.1)}
.feature-card h3{font-size:18px;font-weight:800;color:var(--dark);margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--muted)}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scenario-card{background:#fff;border-radius:var(--radius);padding:30px;border:1px solid var(--line);transition:all .3s}
.scenario-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.scenario-card .s-icon{font-size:30px;margin-bottom:16px}
.scenario-card h3{font-size:18px;font-weight:800;color:var(--dark);margin-bottom:10px}
.scenario-card p{font-size:14px;color:var(--muted)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;display:flex;flex-direction:column;position:relative;transition:all .3s}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.price-card.hot{background:var(--dark);color:#fff;border-color:var(--dark);transform:scale(1.04);box-shadow:var(--shadow-lg)}
.price-card.hot:hover{transform:scale(1.04) translateY(-6px)}
.price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--brand-grad);color:#fff;font-size:12px;font-weight:800;padding:6px 18px;border-radius:100px}
.price-name{font-size:16px;font-weight:700;color:var(--muted);margin-bottom:8px}
.price-card.hot .price-name{color:rgba(255,255,255,.6)}
.price-val{font-size:44px;font-weight:900;color:var(--dark)}
.price-card.hot .price-val{color:#fff}
.price-val small{font-size:16px;font-weight:500;color:var(--muted)}
.price-card.hot .price-val small{color:rgba(255,255,255,.6)}
.price-features{margin:26px 0;display:flex;flex-direction:column;gap:12px;flex:1}
.price-features li{font-size:14px;display:flex;gap:10px;align-items:flex-start}
.price-features li::before{content:"✓";color:var(--brand);font-weight:900;flex-shrink:0}
.price-card.hot .price-features li::before{color:var(--brand2)}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:16px;font-weight:700;color:var(--dark);text-align:left}
.faq-q .faq-ic{width:26px;height:26px;flex-shrink:0;border-radius:50%;background:rgba(255,122,0,.1);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:16px;transition:transform .25s}
.faq-item.open .faq-ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 24px 22px;color:var(--muted);font-size:15px}
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.testimonial-card{background:#fff;border-radius:var(--radius);padding:28px;border:1px solid var(--line);transition:all .3s}
.testimonial-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.t-stars{color:var(--brand2);margin-bottom:14px;letter-spacing:2px}
.t-text{font-size:14px;color:var(--ink);margin-bottom:18px}
.t-user{display:flex;align-items:center;gap:12px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--brand-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;flex-shrink:0}
.t-user b{display:block;font-size:14px;color:var(--dark)}
.t-user span{font-size:12px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:all .3s}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-card .news-img{height:200px;overflow:hidden;position:relative}
.news-card .news-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .news-img img{transform:scale(1.06)}
.news-card .news-tag{position:absolute;top:14px;left:14px;background:var(--brand-grad);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:100px}
.news-card .news-body{padding:22px}
.news-card h3{font-size:17px;font-weight:800;color:var(--dark);line-height:1.45;margin-bottom:10px}
.news-card .news-date{font-size:12px;color:var(--muted)}
.cta{background:var(--dark);position:relative;overflow:hidden;text-align:center;padding:80px 24px}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 400px at 50% -20%,rgba(255,122,0,.35),transparent 60%)}
.cta h2{font-size:36px;font-weight:900;color:#fff;position:relative}
.cta p{color:rgba(255,255,255,.7);margin:16px 0 30px;position:relative}
.cta .btn{position:relative}
.footer{background:#060d1a;color:rgba(255,255,255,.7);padding:64px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{font-size:14px;margin-top:16px;max-width:280px}
.footer-col h4{color:#fff;font-size:16px;font-weight:800;margin-bottom:18px}
.footer-col a{display:block;font-size:14px;margin-bottom:12px;transition:color .2s}
.footer-col a:hover{color:var(--brand2)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;font-size:13px;text-align:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:20px 0;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#cbd5e1}
.page-hero{background:var(--dark);color:#fff;padding:calc(var(--nav-h) + 50px) 0 60px;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 50% -10%,rgba(255,122,0,.3),transparent 60%)}
.page-hero h1{font-size:40px;font-weight:900;position:relative}
.page-hero p{color:rgba(255,255,255,.7);margin-top:14px;position:relative;max-width:600px;margin-left:auto;margin-right:auto}
.dl-hero{background:var(--dark);color:#fff;padding:calc(var(--nav-h) + 60px) 0 70px}
.dl-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.dl-meta{display:flex;gap:32px;margin-top:34px;flex-wrap:wrap}
.dl-meta .dm b{font-size:26px;font-weight:900;color:var(--brand2);display:block}
.dl-meta .dm span{font-size:13px;color:rgba(255,255,255,.6)}
.versions{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.version-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:all .3s}
.version-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.version-card .v-name{font-size:18px;font-weight:800;color:var(--dark)}
.version-card .v-size{font-size:13px;color:var(--muted);margin:6px 0 16px}
.version-card ul{margin:18px 0;display:flex;flex-direction:column;gap:10px}
.version-card li{font-size:14px;display:flex;gap:8px;align-items:flex-start}
.version-card li::before{content:"✓";color:var(--brand);font-weight:900;flex-shrink:0}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.req-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}
.req-card .r-ic{font-size:24px;margin-bottom:12px}
.req-card b{display:block;font-size:15px;color:var(--dark);margin-bottom:6px}
.req-card p{font-size:13px;color:var(--muted)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.steps-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative}
.step-card .step-num{width:40px;height:40px;border-radius:50%;background:var(--brand-grad);color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px}
.step-card h3{font-size:17px;font-weight:800;color:var(--dark);margin-bottom:8px}
.step-card p{font-size:14px;color:var(--muted)}
.news-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-detail-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.article{background:#fff;border-radius:var(--radius);padding:40px;border:1px solid var(--line)}
.article .a-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap}
.article .a-meta .tag{background:rgba(255,122,0,.1);color:var(--brand);font-weight:700;padding:4px 12px;border-radius:100px}
.article h1{font-size:32px;font-weight:900;color:var(--dark);line-height:1.35;margin-bottom:22px}
.article .lead{font-size:16px;color:var(--muted);border-left:4px solid var(--brand);padding-left:16px;margin-bottom:28px}
.article h2{font-size:22px;font-weight:800;color:var(--dark);margin:34px 0 16px;scroll-margin-top:90px}
.article p{font-size:15px;color:var(--ink);margin-bottom:16px;text-align:justify}
.article img{width:100%;border-radius:14px;margin:22px 0}
.article .quote{border-left:4px solid var(--brand);background:#f7f9ff;padding:18px 22px;border-radius:10px;margin:22px 0;font-size:15px;color:var(--ink)}
.article .quote b{color:var(--dark)}
.sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--line)}
.side-card .sc-title{font-size:16px;font-weight:800;color:var(--dark);padding-left:12px;border-left:4px solid var(--brand);margin-bottom:18px}
.toc{position:relative}
.toc-item{position:relative;padding-left:22px;padding-bottom:16px;border-left:2px solid var(--line);margin-left:8px}
.toc-item:last-child{padding-bottom:0;border-left-color:transparent}
.toc-item::before{content:"";position:absolute;left:-6px;top:2px;width:10px;height:10px;border-radius:50%;background:#cbd5e1;border:2px solid #fff;box-shadow:0 0 0 2px var(--line)}
.toc-item a{font-size:14px;color:var(--muted);transition:color .2s;display:block;line-height:1.4}
.toc-item.active::before{background:var(--brand);box-shadow:0 0 0 2px rgba(255,122,0,.3)}
.toc-item.active a{color:var(--brand);font-weight:800}
.hot-list li{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px}
.hot-list li:last-child{margin-bottom:0}
.hot-rank{width:24px;height:24px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;color:#fff;background:#cbd5e1;flex-shrink:0;transition:transform .2s}
.hot-rank.r1{background:var(--brand-grad)}
.hot-rank.r2{background:linear-gradient(135deg,#ff9500,#ffb300)}
.hot-rank.r3{background:linear-gradient(135deg,#ffb300,#ffd166)}
.hot-list li:hover .hot-rank{transform:scale(1.15)}
.hot-list a{font-size:13px;color:var(--ink);line-height:1.45;transition:color .2s}
.hot-list a:hover{color:var(--brand)}
.cat-tags{display:flex;flex-wrap:wrap;gap:10px}
.cat-tags a{font-size:13px;color:var(--muted);border:1px solid var(--line);padding:7px 14px;border-radius:100px;transition:all .2s}
.cat-tags a:hover{color:var(--brand);border-color:var(--brand)}
.a-nav{display:flex;justify-content:space-between;gap:16px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap}
.a-nav a{font-size:14px;color:var(--muted);transition:color .2s}
.a-nav a:hover{color:var(--brand)}
.comments{margin-top:32px}
.comments .cm{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.comments .cm:last-child{border-bottom:none}
.cm-body b{font-size:14px;color:var(--dark);margin-right:10px}
.cm-body .cm-date{font-size:12px;color:var(--muted)}
.cm-body p{font-size:14px;color:var(--ink);margin-top:6px}
.related{margin-top:40px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
.related-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;transition:all .3s}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.related-card img{height:120px;object-fit:cover;width:100%}
.related-card span{display:block;padding:12px 16px;font-size:13px;font-weight:700;color:var(--dark);line-height:1.4}
.sitemap-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sitemap-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.sitemap-col h3{font-size:17px;font-weight:800;color:var(--dark);margin-bottom:16px;padding-left:12px;border-left:4px solid var(--brand)}
.sitemap-col a{display:block;font-size:14px;color:var(--muted);padding:7px 0;transition:color .2s}
.sitemap-col a:hover{color:var(--brand)}
.notfound{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--dark);color:#fff;text-align:center;padding:24px}
.notfound .code{font-size:120px;font-weight:900;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.notfound h1{font-size:28px;margin:16px 0 10px}
.notfound p{color:rgba(255,255,255,.7)}
.notfound .count{color:var(--brand2);font-weight:800;font-size:18px}
.notfound .btn{margin-top:26px}
.reveal{opacity:0;transform:translateY(30px);transition:all .7s ease}
.reveal.show{opacity:1;transform:none}
@media (max-width:992px){
.hero-inner,.dl-grid{grid-template-columns:1fr;gap:40px}
.features-grid{grid-template-columns:repeat(2,1fr)}
.scenario-grid,.pricing-grid,.testimonial-grid,.news-grid,.news-list-grid,.versions,.related-grid{grid-template-columns:repeat(2,1fr)}
.req-grid,.steps-grid,.steps-3{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.sitemap-cols{grid-template-columns:1fr}
.news-detail-layout{grid-template-columns:1fr}
.sidebar{position:static}
.hamburger{display:flex}
.nav-menu{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--dark);flex-direction:column;align-items:stretch;gap:0;padding:90px 24px 30px;transition:right .3s;overflow-y:auto}
.nav-menu.open{right:0}
.nav-item{color:#fff;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.nav-item .arrow{float:right}
.dropdown{position:static;transform:none;opacity:1;visibility:visible;background:transparent;box-shadow:none;padding:0;min-width:0;display:none}
.nav-item .dropdown.show{display:block}
.dropdown a{color:rgba(255,255,255,.75);padding:9px 14px}
.dropdown a:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-right .btn{display:none}
}
@media (max-width:768px){
.hero-title{font-size:34px}
.section{padding:60px 0}
.section-title{font-size:27px}
.features-grid,.scenario-grid,.pricing-grid,.testimonial-grid,.news-grid,.news-list-grid,.versions,.req-grid,.steps-grid,.steps-3,.related-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.price-card.hot{transform:none}
.price-card.hot:hover{transform:translateY(-6px)}
.article{padding:24px}
.article h1{font-size:26px}
.hero-stats{gap:26px}
}
@media (max-width:480px){
.container{padding:0 16px}
.hero-title{font-size:28px}
.hero-btns .btn{width:100%}
.gauge{width:150px;height:75px}
.gauge svg{width:150px;height:75px}
.demo-metrics,.demo-switches{grid-template-columns:1fr 1fr}
.stat .stat-num{font-size:28px}
.btn{padding:12px 24px;font-size:15px}
.page-hero h1{font-size:30px}
}