:root{--brand:#E9B53A;--brand-2:#F5CE5E;--brand-dark:#B8860B;--accent:#E8536B;--bg:#0E1120;--bg-2:#141A2E;--card:#1A2038;--card-2:#202845;--line:#2A3250;--txt:#EDF0F9;--txt-2:#9CA6C2;--grad:linear-gradient(135deg,#F5CE5E,#E9B53A);--radius:16px;--shadow:0 10px 30px rgba(0,0,0,.35);--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--txt);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style: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-kicker{display:inline-block;color:var(--brand);font-weight:700;font-size:14px;letter-spacing:2px;margin-bottom:14px}
.section-title{font-size:38px;font-weight:800;line-height:1.25;margin-bottom:16px}
.section-sub{color:var(--txt-2);font-size:17px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:999px;font-size:16px;font-weight:700;cursor:pointer;border:2px solid transparent;transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s;line-height:1.2}
.btn-primary{background:var(--grad);color:#1a1033;box-shadow:0 8px 24px rgba(233,181,58,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(233,181,58,.5)}
.btn-outline{border-color:var(--line);color:var(--txt);background:transparent}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-3px)}
.btn-lg{padding:17px 40px;font-size:17px}
html:not(.js) .reveal{opacity:1;transform:none}
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
html.js .reveal.in{opacity:1;transform:none}
.header{position:fixed;top:0;left:0;right:0;z-index:1000;transition:background .3s,box-shadow .3s;background:rgba(14,17,32,.55);backdrop-filter:blur(12px)}
.header.scrolled{background:rgba(14,17,32,.92);box-shadow:0 6px 24px rgba(0,0,0,.4)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px}
.logo img{width:38px;height:38px;border-radius:9px}
.logo .logo-txt b{color:var(--brand)}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:5px;padding:10px 16px;font-size:15px;font-weight:600;color:var(--txt);border-radius:10px;transition:color .2s,background .2s}
.nav-link:hover{color:var(--brand)}
.nav-link .caret{font-size:10px;transition:transform .25s}
.nav-item:hover .caret{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:0;min-width:210px;background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s,transform .25s,visibility .25s}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 14px;color:#2a2f45;font-size:14px;font-weight:600;border-radius:8px;transition:background .2s,color .2s}
.dropdown a:hover{background:#f4f5f9;color:var(--brand-dark)}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;width:42px;height:42px;border-radius:10px;position:relative}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--txt);margin:5px auto;transition:.3s}
#nav-switch{display:none}
.hero{position:relative;padding:150px 0 90px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(1000px 500px at 80% -10%,rgba(233,181,58,.18),transparent 60%),radial-gradient(700px 400px at 10% 110%,rgba(232,83,107,.12),transparent 60%);pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border:1px solid rgba(233,181,58,.4);border-radius:999px;color:var(--brand);font-size:13px;font-weight:700;margin-bottom:22px}
.hero-title{font-size:52px;font-weight:900;line-height:1.15;margin-bottom:20px}
.hero-title .hl{background:linear-gradient(120deg,#F5CE5E,#E9B53A);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:var(--txt-2);font-size:18px;margin-bottom:32px;max-width:520px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat .num{font-size:32px;font-weight:900;color:var(--brand)}
.stat .lbl{font-size:14px;color:var(--txt-2);margin-top:2px}
.hero-demo{position:relative}
.demo{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
.demo-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.demo-head .dots{display:flex;gap:6px}
.demo-head .dots i{width:11px;height:11px;border-radius:50%;display:block}
.demo-head .dots i:nth-child(1){background:#ff5f57}
.demo-head .dots i:nth-child(2){background:#febc2e}
.demo-head .dots i:nth-child(3){background:#28c840}
.demo-head .demo-tag{font-size:12px;color:var(--txt-2);font-weight:600}
.demo-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin-bottom:16px}
.ball{aspect-ratio:1;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;background:var(--card-2);border:1px solid var(--line);transition:.25s}
.ball.r{background:linear-gradient(135deg,#e8536b,#c2253f);color:#fff;border-color:transparent}
.ball.b{background:linear-gradient(135deg,#4f7cff,#2a4bd7);color:#fff;border-color:transparent}
.ball.g{background:linear-gradient(135deg,#33c06b,#1c9a4e);color:#fff;border-color:transparent}
.demo-tools{display:flex;gap:10px;flex-wrap:wrap}
.chip{padding:8px 16px;border-radius:999px;background:var(--card-2);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--txt-2);cursor:pointer;transition:.2s}
.chip.active{background:var(--grad);color:#1a1033;border-color:transparent}
.demo-bar{height:10px;border-radius:6px;background:var(--card-2);overflow:hidden;margin-top:16px}
.demo-bar i{display:block;height:100%;background:var(--grad);border-radius:6px}
.demo-note{font-size:12px;color:var(--txt-2);margin-top:8px}
.stats-band{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:52px 0;text-align:center}
.big-stat .num{font-size:44px;font-weight:900;background:linear-gradient(120deg,#F5CE5E,#E9B53A);-webkit-background-clip:text;background-clip:text;color:transparent}
.big-stat .lbl{color:var(--txt-2);font-size:15px;margin-top:4px}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .25s,box-shadow .25s,border-color .25s}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(233,181,58,.4)}
.feature-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px;background:rgba(233,181,58,.12);border:1px solid rgba(233,181,58,.3)}
.feature-card h3{font-size:20px;margin-bottom:10px}
.feature-card p{color:var(--txt-2);font-size:15px}
.chart-demo{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.bar-chart{display:flex;align-items:flex-end;gap:10px;height:280px;padding:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.bar-chart .bar{flex:1;background:linear-gradient(180deg,#F5CE5E,#E9B53A);border-radius:8px 8px 0 0;position:relative;transition:height .6s}
.bar-chart .bar span{position:absolute;top:-26px;left:50%;transform:translateX(-50%);font-size:12px;font-weight:700;color:var(--brand)}
.chart-list li{display:flex;align-items:center;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.chart-list li:last-child{border-bottom:none}
.chart-list .dot{width:12px;height:12px;border-radius:50%;flex-shrink:0}
.chart-list .ttl{font-weight:700;margin-bottom:2px}
.chart-list .desc{color:var(--txt-2);font-size:14px}
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scenario-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .25s,box-shadow .25s}
.scenario-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.scenario-card .s-icon{font-size:30px;margin-bottom:14px}
.scenario-card h3{font-size:19px;margin-bottom:10px}
.scenario-card p{color:var(--txt-2);font-size:15px}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;position:relative}
.step-num{width:46px;height:46px;border-radius:12px;background:var(--grad);color:#1a1033;font-weight:900;font-size:20px;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.step-card h3{font-size:19px;margin-bottom:10px}
.step-card p{color:var(--txt-2);font-size:15px}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:36px 30px;position:relative;transition:transform .25s,box-shadow .25s}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.price-card.highlight{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand),var(--shadow);transform:scale(1.03)}
.price-card .badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#1a1033;font-size:12px;font-weight:800;padding:5px 16px;border-radius:999px}
.price-card .p-name{font-size:18px;font-weight:700;margin-bottom:14px;color:var(--txt-2)}
.price-card .p-price{font-size:44px;font-weight:900;margin-bottom:6px}
.price-card .p-price small{font-size:16px;font-weight:600;color:var(--txt-2)}
.price-card .p-desc{color:var(--txt-2);font-size:14px;margin-bottom:22px}
.price-card ul{margin-bottom:26px}
.price-card ul li{padding:9px 0;border-bottom:1px solid var(--line);font-size:15px;display:flex;gap:10px;align-items:center}
.price-card ul li::before{content:"✓";color:var(--brand);font-weight:800}
.faq{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:700;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{font-size:24px;color:var(--brand);transition:transform .25s;flex-shrink:0}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 24px 22px;color:var(--txt-2);font-size:15px}
.faq-item .faq-body ol{padding-left:20px;margin-top:8px}
.faq-item .faq-body li{margin:6px 0}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.testimonial-card .stars{color:var(--brand);margin-bottom:12px;letter-spacing:2px}
.testimonial-card p{color:var(--txt-2);font-size:15px;margin-bottom:18px}
.t-user{display:flex;align-items:center;gap:12px}
.t-avatar{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#1a1033;font-weight:900;font-size:18px;display:flex;align-items:center;justify-content:center}
.t-name{font-weight:700;font-size:15px}
.t-role{color:var(--txt-2);font-size:13px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-thumb .tag{position:absolute;top:12px;left:12px;background:var(--grad);color:#1a1033;font-size:12px;font-weight:800;padding:4px 12px;border-radius:999px}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-meta{color:var(--txt-2);font-size:13px;margin-bottom:10px}
.news-body h3{font-size:18px;line-height:1.4;margin-bottom:12px}
.news-body p{color:var(--txt-2);font-size:14px;flex:1;margin-bottom:16px}
.news-more{color:var(--brand);font-weight:700;font-size:14px}
.cta{background:radial-gradient(800px 400px at 50% 0%,rgba(233,181,58,.25),transparent 60%),var(--bg-2);border-radius:24px;padding:64px 40px;text-align:center;border:1px solid var(--line)}
.cta h2{font-size:36px;font-weight:900;margin-bottom:16px}
.cta p{color:var(--txt-2);font-size:17px;margin-bottom:28px}
.footer{background:#0a0d19;border-top:1px solid var(--line);padding:60px 0 0}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px}
.footer-col h4{font-size:16px;margin-bottom:18px}
.footer-col a{display:block;color:var(--txt-2);font-size:14px;padding:6px 0;transition:color .2s}
.footer-col a:hover{color:var(--brand)}
.footer-brand p{color:var(--txt-2);font-size:14px;margin-top:14px;max-width:280px}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;color:var(--txt-2);font-size:14px}
.footer-bottom .links{display:flex;gap:20px}
.footer-bottom .links a:hover{color:var(--brand)}
.back-top{position:fixed;bottom:26px;right:26px;width:46px;height:46px;border-radius:12px;background:var(--grad);color:#1a1033;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:900;box-shadow:var(--shadow);z-index:900;transition:transform .2s}
.back-top:hover{transform:translateY(-4px)}
.page-hero{padding:150px 0 56px;text-align:center;background:radial-gradient(700px 300px at 50% -10%,rgba(233,181,58,.15),transparent 60%)}
.page-hero h1{font-size:44px;font-weight:900;margin-bottom:14px}
.page-hero p{color:var(--txt-2);font-size:17px;max-width:640px;margin:0 auto}
.breadcrumb{display:flex;gap:8px;align-items:center;color:var(--txt-2);font-size:14px;margin-bottom:28px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.5}
.dl-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.dl-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:28px 0}
.dl-meta .m{border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center}
.dl-meta .m b{display:block;color:var(--brand);font-size:20px}
.dl-meta .m span{font-size:13px;color:var(--txt-2)}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ver-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.ver-card .v-tag{display:inline-block;background:rgba(233,181,58,.12);color:var(--brand);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:12px}
.ver-card h3{font-size:20px;margin-bottom:8px}
.ver-card .size{color:var(--txt-2);font-size:14px;margin-bottom:16px}
.ver-card ul{margin-bottom:20px}
.ver-card ul li{padding:6px 0;font-size:14px;color:var(--txt-2);display:flex;gap:8px}
.ver-card ul li::before{content:"✓";color:var(--brand);font-weight:800}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sys-item{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px}
.sys-item .k{color:var(--txt-2);font-size:13px;margin-bottom:6px}
.sys-item .v{font-weight:700;font-size:16px}
.install-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start}
.article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:40px;overflow:hidden}
.article .a-head{margin-bottom:24px}
.article .a-head h1{font-size:32px;font-weight:900;line-height:1.35;margin-bottom:16px}
.article .a-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--txt-2);font-size:14px}
.article .a-cover{margin-bottom:24px;border-radius:14px;overflow:hidden}
.article .a-cover img{width:100%}
.article .a-body{font-size:16px;color:#c7cee0;line-height:1.9}
.article .a-body h2{font-size:24px;font-weight:800;color:var(--txt);margin:32px 0 14px;padding-left:14px;border-left:4px solid var(--brand)}
.article .a-body p{margin-bottom:16px}
.article .a-body img{width:100%;border-radius:12px;margin:20px 0}
.article blockquote{border-left:4px solid var(--brand);background:var(--card-2);padding:18px 22px;border-radius:0 12px 12px 0;margin:20px 0;color:var(--txt);font-style:italic}
.comments{margin-top:36px;border-top:1px solid var(--line);padding-top:28px}
.comments h3{font-size:20px;margin-bottom:20px}
.comment{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.comment .c-avatar{width:40px;height:40px;border-radius:50%;background:var(--card-2);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--brand);flex-shrink:0}
.comment .c-name{font-weight:700;font-size:14px}
.comment .c-date{color:var(--txt-2);font-size:12px}
.comment p{color:var(--txt-2);font-size:14px;margin-top:6px}
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.side-card .sc-title{font-size:16px;font-weight:800;margin-bottom:16px;padding-left:12px;border-left:4px solid var(--brand)}
.toc{position:relative;padding-left:18px}
.toc::before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:var(--line)}
.toc a{display:block;position:relative;padding:7px 0 7px 16px;color:var(--txt-2);font-size:14px;transition:color .2s}
.toc a::before{content:"";position:absolute;left:-18px;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:50%;background:var(--card-2);border:2px solid var(--line)}
.toc a.active{color:var(--brand);font-weight:700}
.toc a.active::before{background:var(--brand);border-color:var(--brand)}
.hot-list li{display:flex;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.hot-list li:last-child{border-bottom:none}
.hot-list .rank{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;background:var(--card-2);color:var(--txt-2);flex-shrink:0}
.hot-list li:nth-child(1) .rank{background:linear-gradient(135deg,#F5CE5E,#E9B53A);color:#1a1033}
.hot-list li:nth-child(2) .rank{background:linear-gradient(135deg,#ff9a3d,#e8536b);color:#fff}
.hot-list li:nth-child(3) .rank{background:linear-gradient(135deg,#ffd86b,#c78d0f);color:#1a1033}
.hot-list a{font-size:14px;line-height:1.4;transition:color .2s}
.hot-list a:hover{color:var(--brand)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{padding:6px 14px;border-radius:999px;background:var(--card-2);border:1px solid var(--line);font-size:13px;color:var(--txt-2);transition:.2s}
.tag-cloud a:hover{color:var(--brand);border-color:var(--brand)}
.pager{display:flex;justify-content:space-between;gap:16px;margin-top:28px}
.pager a{flex:1;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;font-size:14px;color:var(--txt-2);transition:.2s}
.pager a:hover{border-color:var(--brand);color:var(--brand)}
.pager .dir{display:block;font-size:12px;margin-bottom:4px}
.legal{max-width:820px;margin:0 auto}
.legal h2{font-size:22px;margin:30px 0 12px}
.legal p{color:var(--txt-2);margin-bottom:12px}
.legal ul{padding-left:20px;margin-bottom:14px}
.legal li{color:var(--txt-2);margin:6px 0}
.sitemap-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sitemap-col{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.sitemap-col h3{font-size:17px;margin-bottom:14px;padding-left:12px;border-left:4px solid var(--brand)}
.sitemap-col a{display:block;color:var(--txt-2);font-size:14px;padding:6px 0;transition:color .2s}
.sitemap-col a:hover{color:var(--brand)}
.err-wrap{min-height:70vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:120px 24px 60px}
.err-wrap .code{font-size:120px;font-weight:900;line-height:1;background:linear-gradient(120deg,#F5CE5E,#E9B53A);-webkit-background-clip:text;background-clip:text;color:transparent}
.err-wrap h1{font-size:30px;margin:18px 0 12px}
.err-wrap p{color:var(--txt-2);font-size:16px;margin-bottom:28px}
@media (max-width:992px){
.hero-inner,.dl-wrap,.chart-demo,.article-layout{grid-template-columns:1fr}
.hero-title{font-size:40px}
.section-title{font-size:30px}
.features-grid,.scenarios-grid,.pricing-grid,.testi-grid,.news-grid,.ver-grid,.sys-grid,.sitemap-list{grid-template-columns:repeat(2,1fr)}
.steps-grid,.install-steps{grid-template-columns:repeat(2,1fr)}
.footer-cols{grid-template-columns:1fr 1fr}
.nav-toggle{display:block}
.nav-menu{position:fixed;top:74px;left:0;right:0;background:var(--bg-2);flex-direction:column;align-items:stretch;padding:16px;gap:4px;max-height:0;overflow:hidden;transition:max-height .3s;box-shadow:0 20px 40px rgba(0,0,0,.5)}
#nav-switch:checked~.nav-menu{max-height:80vh;overflow-y:auto}
.nav-item .dropdown{position:static;background:var(--card);opacity:1;visibility:visible;transform:none;display:none;box-shadow:none;margin:4px 0}
.nav-item:hover .dropdown{display:block}
.nav-item .dropdown a{color:var(--txt)}
.nav-item .dropdown a:hover{background:var(--card-2)}
.sidebar{position:static}
}
@media (max-width:768px){
.section{padding:60px 0}
.hero{padding:120px 0 60px}
.hero-title{font-size:32px}
.hero-stats,.stats-grid,.dl-meta{grid-template-columns:repeat(2,1fr)}
.features-grid,.scenarios-grid,.pricing-grid,.testi-grid,.news-grid,.ver-grid,.sys-grid,.steps-grid,.install-steps,.sitemap-list{grid-template-columns:1fr}
.footer-cols{grid-template-columns:1fr}
.price-card.highlight{transform:none}
.demo-grid{grid-template-columns:repeat(7,1fr);gap:5px}
.ball{font-size:12px}
.article{padding:24px}
.article .a-head h1{font-size:24px}
.page-hero h1{font-size:32px}
.cta{padding:48px 24px}
.cta h2{font-size:28px}
}
@media (max-width:480px){
.container{padding:0 16px}
.hero-title{font-size:27px}
.hero-btns .btn{width:100%}
.section-title{font-size:24px}
.big-stat .num{font-size:34px}
.stat .num{font-size:26px}
.demo-grid{grid-template-columns:repeat(4,1fr)}
}