*{margin:0;padding:0;box-sizing:border-box}
:root{--c1:#25F4EE;--c2:#FE2C55;--dark:#121212;--gray:#6b7280;--line:#e5e7eb;--bg:#fff;--soft:#f6f7fb}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:#1f2430;background:var(--bg);line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.grad-text{background:linear-gradient(120deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;border-radius:999px;font-weight:700;font-size:16px;cursor:pointer;border:none;transition:transform .25s ease,box-shadow .25s ease}
.btn-primary{background:linear-gradient(120deg,var(--c1),var(--c2));color:#fff;box-shadow:0 10px 24px rgba(254,44,85,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(254,44,85,.45)}
.btn-ghost{background:#fff;color:#1f2430;border:2px solid #e5e7eb;box-shadow:0 6px 16px rgba(0,0,0,.06)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--c1)}
.btn-dark{background:var(--dark);color:#fff}
.btn-sm{padding:10px 22px;font-size:14px}
.nav{position:fixed;top:0;left:0;right:0;z-index:999;background:transparent;transition:background .3s ease,box-shadow .3s ease}
.nav.scrolled{background:rgba(18,18,18,.88);backdrop-filter:blur(12px);box-shadow:0 4px 20px rgba(0,0,0,.15)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;color:#fff}
.logo img{width:36px;height:36px;border-radius:9px}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:6px;padding:10px 16px;color:rgba(255,255,255,.92);font-size:15px;font-weight:600;border-radius:8px;cursor:pointer;transition:color .2s}
.nav-link:hover{color:var(--c1)}
.nav-link .arrow{display:inline-block;font-size:12px;transition:transform .3s ease}
.nav-item:hover .arrow,.nav-item.open .arrow{transform:rotate(180deg)}
.dd-panel{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(8px);min-width:200px;background:#fff;border-radius:14px;box-shadow:0 16px 40px rgba(0,0,0,.18);padding:10px;opacity:0;visibility:hidden;transition:opacity .25s ease,transform .25s ease}
.nav-item:hover .dd-panel,.nav-item.open .dd-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dd-panel a{display:block;padding:10px 16px;border-radius:9px;color:#1f2430;font-size:14px;font-weight:600;transition:background .2s,color .2s}
.dd-panel a:hover{background:#f0fdfb;color:#0ea5a0}
.nav-cta{margin-left:10px}
.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:2px;transition:all .3s}
.hero{position:relative;background:radial-gradient(1000px 600px at 85% -10%,rgba(37,244,238,.25),transparent 60%),radial-gradient(900px 500px at 10% 0%,rgba(254,44,85,.22),transparent 55%),#121212;color:#fff;padding:150px 0 90px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:8px 18px;border-radius:999px;font-size:13px;margin-bottom:22px}
.hero h1{font-size:clamp(34px,4.6vw,56px);line-height:1.18;font-weight:900;margin-bottom:20px}
.hero-sub{font-size:18px;color:rgba(255,255,255,.75);max-width:520px;margin-bottom:32px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:42px}
.stats{display:flex;gap:44px;flex-wrap:wrap}
.stat b{display:block;font-size:30px;font-weight:900;background:linear-gradient(120deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:13px;color:rgba(255,255,255,.6)}
.phone{position:relative;width:290px;height:590px;border-radius:44px;background:#000;border:8px solid #2a2a2a;box-shadow:0 40px 80px rgba(0,0,0,.5);margin:0 auto;overflow:hidden}
.phone::after{content:"";position:absolute;top:10px;left:50%;transform:translateX(-50%);width:110px;height:26px;background:#000;border-radius:0 0 14px 14px;z-index:5}
.phone-screen{position:absolute;inset:0;border-radius:36px;overflow:hidden;background:#0f0f0f}
.video-card{position:absolute;inset:0;display:flex;align-items:flex-end;padding:22px;opacity:0;transition:opacity .5s ease,transform .5s ease;transform:translateY(14px)}
.video-card.active{opacity:1;transform:translateY(0)}
.video-card .vc-bg{position:absolute;inset:0;z-index:0}
.video-card .vc-info{position:relative;z-index:1;width:100%}
.vc-user{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.vc-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;flex-shrink:0}
.vc-name{font-weight:700;font-size:14px}
.vc-caption{font-size:13px;color:rgba(255,255,255,.85);margin-bottom:16px;line-height:1.5}
.vc-actions{display:flex;align-items:center;justify-content:space-between}
.vc-actions .like{display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.14);padding:8px 16px;border-radius:999px;font-size:13px;font-weight:700;cursor:pointer;border:none;color:#fff;transition:transform .2s}
.vc-actions .like:hover{transform:scale(1.06)}
.vc-tag{font-size:11px;background:linear-gradient(120deg,var(--c1),var(--c2));padding:4px 12px;border-radius:999px;font-weight:700}
.demo-controls{display:flex;gap:12px;justify-content:center;margin-top:18px}
.demo-btn{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;padding:9px 20px;border-radius:999px;font-size:13px;font-weight:700;cursor:pointer;transition:all .2s}
.demo-btn:hover{background:rgba(37,244,238,.2);border-color:var(--c1)}
.section{padding:96px 0}
.section-dark{background:#121212;color:#fff}
.sec-head{text-align:center;max-width:720px;margin:0 auto 56px}
.sec-tag{display:inline-block;font-size:13px;font-weight:800;letter-spacing:2px;background:linear-gradient(120deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px;text-transform:uppercase}
.sec-head h2{font-size:clamp(28px,3.4vw,42px);font-weight:900;margin-bottom:14px}
.sec-head p{color:var(--gray);font-size:16px}
.section-dark .sec-head p{color:rgba(255,255,255,.55)}
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;transition:transform .3s ease,box-shadow .3s ease;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(0,0,0,.1)}
.card .icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;background:linear-gradient(135deg,rgba(37,244,238,.15),rgba(254,44,85,.15))}
.card h3{font-size:19px;font-weight:800;margin-bottom:10px}
.card p{font-size:14px;color:var(--gray)}
.scenario{background:linear-gradient(180deg,#f6f7fb,#fff);border-radius:22px;padding:28px;border:1px solid var(--line);transition:transform .3s ease,box-shadow .3s ease}
.scenario:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(0,0,0,.09)}
.scenario .s-num{font-size:13px;font-weight:800;color:#0ea5a0;margin-bottom:10px}
.scenario h3{font-size:18px;font-weight:800;margin-bottom:8px}
.scenario p{font-size:14px;color:var(--gray)}
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.price-card{background:#fff;border:2px solid var(--line);border-radius:24px;padding:38px 30px;display:flex;flex-direction:column;transition:transform .3s ease,box-shadow .3s ease;position:relative}
.price-card:hover{transform:translateY(-6px);box-shadow:0 24px 52px rgba(0,0,0,.1)}
.price-card.hot{border-color:transparent;background:linear-gradient(160deg,#121212,#232323);color:#fff;transform:scale(1.03)}
.price-card.hot:hover{transform:scale(1.03) translateY(-6px);box-shadow:0 28px 60px rgba(18,18,18,.35)}
.hot-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(120deg,var(--c1),var(--c2));color:#fff;font-size:12px;font-weight:800;padding:6px 20px;border-radius:999px;white-space:nowrap}
.price-name{font-size:16px;font-weight:800;letter-spacing:1px;margin-bottom:8px;color:#0ea5a0}
.price-card.hot .price-name{color:var(--c1)}
.price-val{font-size:44px;font-weight:900;margin-bottom:6px}
.price-val small{font-size:16px;font-weight:600;color:var(--gray)}
.price-card.hot .price-val small{color:rgba(255,255,255,.6)}
.price-desc{font-size:13px;color:var(--gray);margin-bottom:24px}
.price-card.hot .price-desc{color:rgba(255,255,255,.6)}
.price-list{flex:1;margin-bottom:26px}
.price-list li{display:flex;align-items:center;gap:10px;padding:9px 0;font-size:14px;border-bottom:1px dashed var(--line)}
.price-card.hot .price-list li{border-color:rgba(255,255,255,.14)}
.price-list li::before{content:"✓";width:20px;height:20px;border-radius:50%;background:linear-gradient(120deg,var(--c1),var(--c2));color:#fff;font-size:12px;font-weight:900;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:16px;overflow:hidden;transition:box-shadow .3s}
.faq-item.open{box-shadow:0 14px 34px rgba(0,0,0,.08)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;cursor:pointer;font-size:16px;font-weight:700}
.faq-q .fq-icon{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:#f0fdfb;color:#0ea5a0;display:flex;align-items:center;justify-content:center;font-weight:900;transition:transform .3s}
.faq-item.open .fq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.open .faq-a{max-height:600px}
.faq-a-inner{padding:0 26px 24px;color:var(--gray);font-size:15px}
.faq-a-inner ol{padding-left:20px;margin-top:10px}
.faq-a-inner ol li{margin-bottom:6px}
.testi{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;transition:transform .3s ease,box-shadow .3s ease}
.testi:hover{transform:translateY(-5px);box-shadow:0 16px 38px rgba(0,0,0,.09)}
.testi .t-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.t-avatar{width:46px;height:46px;border-radius:50%;color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:18px}
.t-name{font-weight:800;font-size:15px}
.t-role{font-size:12px;color:var(--gray)}
.testi .t-stars{color:#f59e0b;font-size:14px;margin-bottom:10px}
.testi p{font-size:14px;color:#3a4152}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease}
.news-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(0,0,0,.1)}
.news-card img{width:100%;height:190px;object-fit:cover}
.news-card .nc-body{padding:22px}
.nc-date{font-size:12px;color:var(--gray);margin-bottom:8px}
.news-card h3{font-size:17px;font-weight:800;line-height:1.5;margin-bottom:10px}
.news-card h3 a:hover{color:#0ea5a0}
.news-card p{font-size:14px;color:var(--gray)}
.cta{background:radial-gradient(800px 400px at 50% 0%,rgba(37,244,238,.3),transparent 60%),#121212;color:#fff;text-align:center;padding:100px 0;border-radius:0}
.cta h2{font-size:clamp(30px,4vw,46px);font-weight:900;margin-bottom:16px}
.cta p{color:rgba(255,255,255,.7);margin-bottom:34px;font-size:16px}
.footer{background:#0d0d0d;color:rgba(255,255,255,.6);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px}
.footer a{display:block;padding:5px 0;font-size:14px;transition:color .2s}
.footer a:hover{color:var(--c1)}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-logo img{width:34px;height:34px;border-radius:8px}
.footer-copy{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.page-hero{background:#121212;color:#fff;padding:150px 0 70px;text-align:center}
.page-hero h1{font-size:clamp(30px,4vw,46px);font-weight:900;margin-bottom:14px}
.page-hero p{color:rgba(255,255,255,.65);max-width:640px;margin:0 auto}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--gray);padding:26px 0 0}
.breadcrumb a:hover{color:#0ea5a0}
.breadcrumb .sep{color:#cbd5e1}
.dl-hero{padding:150px 0 80px;background:radial-gradient(900px 500px at 80% 0%,rgba(37,244,238,.22),transparent 60%),#121212;color:#fff}
.ver-card{display:flex;flex-direction:column;border:2px solid var(--line);border-radius:20px;padding:30px;background:#fff;transition:transform .3s,box-shadow .3s}
.ver-card:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(0,0,0,.1)}
.ver-card .v-tag{display:inline-block;align-self:flex-start;font-size:12px;font-weight:800;background:#f0fdfb;color:#0ea5a0;padding:5px 14px;border-radius:999px;margin-bottom:14px}
.ver-card h3{font-size:22px;font-weight:900;margin-bottom:6px}
.ver-card .v-size{font-size:13px;color:var(--gray);margin-bottom:18px}
.ver-list{flex:1;margin-bottom:22px}
.ver-list li{font-size:14px;padding:7px 0;padding-left:22px;position:relative;color:#3a4152}
.ver-list li::before{content:"";position:absolute;left:0;top:14px;width:10px;height:10px;border-radius:50%;background:linear-gradient(120deg,var(--c1),var(--c2))}
.step-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;position:relative;transition:transform .3s}
.step-card:hover{transform:translateY(-5px)}
.step-num{position:absolute;top:-16px;left:26px;width:38px;height:38px;border-radius:50%;background:linear-gradient(120deg,var(--c1),var(--c2));color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(254,44,85,.35)}
.step-card h3{font-size:17px;font-weight:800;margin:10px 0 8px}
.step-card p{font-size:14px;color:var(--gray)}
.sys-table{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.sys-row{display:grid;grid-template-columns:180px 1fr;border-bottom:1px solid var(--line)}
.sys-row:last-child{border-bottom:none}
.sys-row div{padding:16px 24px;font-size:14px}
.sys-row div:first-child{font-weight:800;background:#fafbfc}
.article-wrap{display:grid;grid-template-columns:1fr 340px;gap:44px;align-items:start}
.article-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:38px}
.article-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--gray);margin-bottom:20px;flex-wrap:wrap}
.article-meta .am-tag{background:#f0fdfb;color:#0ea5a0;padding:4px 14px;border-radius:999px;font-weight:700}
.article-card h1{font-size:clamp(24px,3vw,34px);font-weight:900;line-height:1.4;margin-bottom:22px}
.article-card h2{font-size:22px;font-weight:800;margin:30px 0 14px;padding-left:14px;border-left:4px solid;border-image:linear-gradient(180deg,var(--c1),var(--c2)) 1}
.article-card p{margin-bottom:16px;font-size:16px;color:#333a48}
.article-card img{margin:22px 0;border-radius:16px}
.article-card blockquote{border-left:4px solid var(--c1);background:#f6fbfb;padding:16px 22px;border-radius:0 12px 12px 0;margin:20px 0;font-style:italic;color:#2b3444}
.article-card .data-box{background:linear-gradient(135deg,rgba(37,244,238,.1),rgba(254,44,85,.1));border:1px solid var(--line);border-radius:14px;padding:20px 24px;margin:20px 0;font-size:15px}
.aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 10px 28px rgba(0,0,0,.06)}
.aside-title{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;margin-bottom:18px}
.aside-title::before{content:"";width:4px;height:18px;border-radius:2px;background:linear-gradient(180deg,var(--c1),var(--c2))}
.toc-list{position:relative;padding-left:18px}
.toc-list::before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:var(--line)}
.toc-item{position:relative;padding:8px 0;cursor:pointer;font-size:14px;color:var(--gray);transition:color .2s;line-height:1.5}
.toc-item::before{content:"";position:absolute;left:-19px;top:14px;width:9px;height:9px;border-radius:50%;background:#fff;border:2px solid #cbd5e1;transition:all .25s}
.toc-item.active{color:#0ea5a0;font-weight:800}
.toc-item.active::before{background:var(--c1);border-color:var(--c1);box-shadow:0 0 0 4px rgba(37,244,238,.2)}
.toc-item:hover{color:#0ea5a0}
.rank-item{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line)}
.rank-item:last-child{border-bottom:none}
.rank-badge{width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;color:#fff;background:#d1d5db;flex-shrink:0;transition:transform .2s}
.rank-badge.r1{background:linear-gradient(120deg,var(--c1),#0ea5a0)}
.rank-badge.r2{background:linear-gradient(120deg,#fb923c,#f97316)}
.rank-badge.r3{background:linear-gradient(120deg,#fbbf24,#f59e0b)}
.rank-item:hover .rank-badge{transform:scale(1.15)}
.rank-item a{font-size:13.5px;font-weight:600;color:#333a48;line-height:1.5}
.rank-item a:hover{color:#0ea5a0}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-capsule{font-size:13px;padding:7px 15px;border-radius:999px;background:#f6f7fb;border:1px solid var(--line);color:#4b5563;font-weight:600;cursor:pointer;transition:all .2s}
.tag-capsule:hover{color:#0ea5a0;border-color:var(--c1);background:#f0fdfb}
.comment-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed var(--line)}
.comment-item:last-child{border-bottom:none}
.c-avatar{width:42px;height:42px;border-radius:50%;color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.c-head{display:flex;align-items:baseline;gap:12px;margin-bottom:6px}
.c-name{font-weight:800;font-size:14px}
.c-date{font-size:12px;color:var(--gray)}
.comment-item p{font-size:14px;color:#3a4152}
.pager{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-top:34px;flex-wrap:wrap}
.pager a{background:#fff;border:1px solid var(--line);padding:12px 22px;border-radius:999px;font-size:14px;font-weight:700;transition:all .2s}
.pager a:hover{border-color:var(--c1);color:#0ea5a0}
.news-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sm-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}
.sm-card h3{font-size:17px;font-weight:800;margin-bottom:16px;padding-left:12px;border-left:4px solid var(--c1)}
.sm-card a{display:block;padding:7px 12px;font-size:14px;color:#4b5563;border-radius:8px;transition:all .2s}
.sm-card a:hover{background:#f0fdfb;color:#0ea5a0}
.err-page{min-height:100vh;background:#121212;color:#fff;display:flex;align-items:center;justify-content:center;text-align:center;padding:24px}
.err-code{font-size:clamp(90px,18vw,180px);font-weight:900;background:linear-gradient(120deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.err-page h2{font-size:26px;margin:18px 0 12px}
.err-page p{color:rgba(255,255,255,.6);margin-bottom:30px}
.err-count{display:inline-block;background:rgba(255,255,255,.1);padding:8px 22px;border-radius:999px;font-size:14px;margin-bottom:26px}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(max-width:992px){
.nav-menu{position:fixed;top:72px;left:0;right:0;background:#141414;flex-direction:column;align-items:stretch;padding:18px 24px 28px;gap:4px;display:none;max-height:calc(100vh - 72px);overflow-y:auto}
.nav-menu.open{display:flex}
.burger{display:flex}
.nav-cta{display:none}
.nav-item:hover .dd-panel{opacity:0;visibility:hidden}
.dd-panel{position:static;transform:none;min-width:0;background:#1f1f1f;box-shadow:none;display:none;padding:6px 0 6px 16px;border-radius:0;border-left:2px solid rgba(37,244,238,.4)}
.nav-item.open .dd-panel{display:block;opacity:1;visibility:visible}
.dd-panel a{color:rgba(255,255,255,.85)}
.dd-panel a:hover{background:rgba(37,244,238,.12);color:var(--c1)}
.hero{padding:130px 0 70px}
.hero-grid{grid-template-columns:1fr;gap:48px}
.hero-sub{margin-left:auto;margin-right:auto;text-align:center}
.hero h1,.hero-badge{text-align:center;display:block}
.hero-badge{margin-left:auto;margin-right:auto;width:max-content}
.hero-btns,.stats{justify-content:center}
.grid-3{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(2,1fr)}
.pricing{grid-template-columns:1fr;max-width:460px;margin:0 auto}
.price-card.hot{transform:none}
.price-card.hot:hover{transform:translateY(-6px)}
.article-wrap{grid-template-columns:1fr}
.aside{position:static}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.news-list-grid{grid-template-columns:repeat(2,1fr)}
.sitemap-grid{grid-template-columns:repeat(2,1fr)}
.section{padding:72px 0}
}
@media(max-width:768px){
.grid-3,.grid-4{grid-template-columns:1fr}
.news-list-grid{grid-template-columns:1fr}
.sitemap-grid{grid-template-columns:1fr}
.hero h1{font-size:32px}
.stats{gap:24px}
.article-card{padding:26px 20px}
.sys-row{grid-template-columns:1fr}
.sys-row div:first-child{background:transparent;padding-bottom:4px;font-size:13px}
.footer-grid{grid-template-columns:1fr;gap:28px}
.btn{padding:13px 26px;font-size:15px}
.container{padding:0 18px}
}
@media(max-width:480px){
.hero{padding:120px 0 56px}
.phone{width:250px;height:510px}
.hero-btns{flex-direction:column}
.hero-btns .btn{width:100%}
.stats{flex-direction:column;gap:14px;align-items:center}
.stat{text-align:center}
.section{padding:56px 0}
.sec-head{margin-bottom:36px}
.article-card h2{font-size:19px}
.ver-card{padding:24px}
.price-card{padding:30px 22px}
.demo-controls{flex-wrap:wrap}
}