:root{--brand:#2563eb;--brand2:#7c3aed;--brand3:#0ea5e9;--grad:linear-gradient(135deg,#2563eb 0%,#7c3aed 100%);--grad2:linear-gradient(135deg,#0ea5e9 0%,#2563eb 100%);--ink:#0f172a;--sub:#475569;--mut:#64748b;--line:#e2e8f0;--bg:#f8fafc;--card:#fff;--gold:#f59e0b;--orange:#f97316;--radius:16px;--shadow:0 10px 30px rgba(15,23,42,.08);--shadow-lg:0 20px 50px rgba(15,23,42,.14)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
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:1.6;overflow-x:hidden}
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}
input,textarea{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 56px}
.sec-tag{display:inline-block;padding:6px 16px;border-radius:999px;background:rgba(37,99,235,.08);color:var(--brand);font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:16px}
.sec-title{font-size:38px;font-weight:800;letter-spacing:-.5px;line-height:1.25}
.sec-desc{color:var(--sub);font-size:17px;margin-top:16px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:12px;font-size:16px;font-weight:600;transition:all .25s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(37,99,235,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(37,99,235,.45)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.5);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-ghost-dark{border:1.5px solid var(--line);color:var(--ink);background:var(--card)}
.btn-ghost-dark:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:10px}
/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;transition:all .3s;padding:16px 0}
.nav.scrolled{background:rgba(10,15,30,.82);backdrop-filter:blur(14px);padding:10px 0;box-shadow:0 4px 20px rgba(0,0,0,.18)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:20px}
.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:5px;color:#fff;padding:10px 14px;font-size:15px;font-weight:500;border-radius:8px;transition:all .2s;opacity:.92}
.nav-link:hover{background:rgba(255,255,255,.1);opacity:1}
.nav-link .arr{transition:transform .3s;font-size:10px}
.nav-item:hover .arr{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:200px;background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 14px;color:var(--ink);font-size:14px;border-radius:8px;transition:all .15s}
.dropdown a:hover{background:rgba(37,99,235,.07);color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:12px}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px}
.hamburger span{width:24px;height:2px;background:#fff;transition:all .3s;border-radius:2px}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* hero */
.hero{position:relative;background:radial-gradient(1200px 600px at 80% -10%,rgba(124,58,237,.35),transparent 60%),radial-gradient(900px 500px at 10% 10%,rgba(14,165,233,.3),transparent 55%),#0b1020;padding:160px 0 110px;color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px;pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);font-size:13px;margin-bottom:22px}
.hero h1{font-size:52px;font-weight:800;line-height:1.16;letter-spacing:-1px}
.hero .slogan{font-size:19px;color:rgba(255,255,255,.82);margin:20px 0 30px;max-width:520px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:36px;margin-top:44px;flex-wrap:wrap}
.hero-stat .num{font-size:30px;font-weight:800;background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stat .lbl{font-size:13px;color:rgba(255,255,255,.65);margin-top:4px}
/* demo */
.demo{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:18px;backdrop-filter:blur(10px)}
.demo-window{background:#fff;border-radius:14px;overflow:hidden;color:var(--ink);box-shadow:var(--shadow-lg)}
.demo-head{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);background:#f8fafc}
.demo-head .dot{width:11px;height:11px;border-radius:50%}
.demo-head .d1{background:#f87171}.demo-head .d2{background:#fbbf24}.demo-head .d3{background:#34d399}
.demo-title{font-size:13px;font-weight:600;color:var(--sub);margin-left:6px}
.chat-body{height:340px;overflow-y:auto;padding:16px;background:linear-gradient(180deg,#f1f5f9,#eef2f7)}
.msg{max-width:78%;padding:10px 14px;border-radius:14px;font-size:14px;margin-bottom:10px;line-height:1.5;animation:fadeIn .3s ease}
.msg.in{background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px;align-self:flex-start}
.msg.out{background:var(--grad);color:#fff;margin-left:auto;border-bottom-right-radius:4px}
.msg .meta{font-size:11px;opacity:.65;margin-top:4px;display:block;text-align:right}
.chat-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}
.chat-input input{flex:1;padding:10px 14px;border:1px solid var(--line);border-radius:10px;font-size:14px;outline:none}
.chat-input input:focus{border-color:var(--brand)}
.chat-send{background:var(--grad);color:#fff;padding:10px 18px;border-radius:10px;font-weight:600}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
/* features */
.features{background:#fff}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:all .3s}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.feature-ico{width:52px;height:52px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px}
.feature-card h3{font-size:19px;margin-bottom:10px}
.feature-card p{color:var(--sub);font-size:15px}
/* scenarios */
.scenarios{background:var(--bg)}
.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:30px;transition:all .3s;position:relative;overflow:hidden}
.scenario-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.scenario-card .tag{position:absolute;top:20px;right:20px;font-size:12px;background:rgba(37,99,235,.08);color:var(--brand);padding:4px 12px;border-radius:999px;font-weight:600}
.scenario-card h3{font-size:20px;margin:14px 0 10px}
.scenario-card p{color:var(--sub);font-size:15px}
.scenario-ico{width:50px;height:50px;border-radius:12px;background:var(--grad2);display:flex;align-items:center;justify-content:center;font-size:22px}
/* pricing */
.pricing{background:#fff}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:stretch}
.price-card{background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:36px 30px;position:relative;display:flex;flex-direction:column}
.price-card.featured{background:var(--ink);color:#fff;transform:scale(1.03);border:none;box-shadow:var(--shadow-lg)}
.price-card .badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:13px;padding:5px 18px;border-radius:999px;font-weight:600}
.price-name{font-size:18px;font-weight:700;margin-bottom:8px}
.price-amount{font-size:44px;font-weight:800;margin:8px 0}
.price-amount small{font-size:16px;font-weight:500;opacity:.7}
.price-card.featured .price-amount{background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent}
.price-feats{margin:22px 0;flex:1}
.price-feats li{padding:8px 0;font-size:15px;display:flex;gap:10px;align-items:flex-start}
.price-feats li::before{content:"✓";color:#34d399;font-weight:700;flex-shrink:0}
.price-card:not(.featured) .price-feats li::before{color:var(--brand)}
.price-card .btn{width:100%}
/* faq */
.faq{background:var(--bg)}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:16px;overflow:hidden}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;font-weight:600;font-size:16px;cursor:pointer}
.faq-q .plus{font-size:22px;color:var(--brand);transition:transform .3s}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 24px 22px;color:var(--sub);font-size:15px}
.faq-a-inner ol{margin-left:20px;list-style:decimal}
.faq-a-inner ol li{margin:6px 0}
/* testimonials */
.testi{background:#fff}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.testi-stars{color:#f59e0b;font-size:16px;margin-bottom:14px}
.testi-text{color:var(--sub);font-size:15px;margin-bottom:18px}
.testi-user{display:flex;align-items:center;gap:12px}
.testi-ava{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.testi-name{font-weight:600;font-size:14px}
.testi-role{font-size:12px;color:var(--mut)}
/* news cards */
.news{background:var(--bg)}
.news-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all .3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-card .body{padding:18px;flex:1;display:flex;flex-direction:column}
.news-card h3{font-size:15px;line-height:1.45;margin-bottom:10px;font-weight:600}
.news-card .date{font-size:12px;color:var(--mut);margin-top:auto}
/* cta */
.cta{background:var(--grad);color:#fff;text-align:center;padding:90px 0}
.cta h2{font-size:38px;font-weight:800;margin-bottom:16px}
.cta p{font-size:18px;opacity:.9;margin-bottom:32px;max-width:560px;margin-left:auto;margin-right:auto}
.cta .btn{background:#fff;color:var(--brand)}
.cta .btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.2)}
/* footer */
.footer{background:#0b1020;color:rgba(255,255,255,.7);padding:70px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px}
.footer .logo{color:#fff;margin-bottom:16px}
.footer-about{font-size:14px;line-height:1.8;max-width:300px}
.footer h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-links li{margin:10px 0}
.footer-links a{font-size:14px;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;font-size:13px;text-align:center;opacity:.7}
/* download page */
.dl-hero{background:radial-gradient(1000px 500px at 80% -10%,rgba(124,58,237,.35),transparent 60%),#0b1020;padding:160px 0 90px;color:#fff}
.dl-hero .hero-inner{grid-template-columns:1fr 1fr}
.dl-meta{display:flex;gap:30px;margin-top:34px;flex-wrap:wrap}
.dl-meta .it{text-align:left}
.dl-meta .num{font-size:24px;font-weight:800}
.dl-meta .lbl{font-size:13px;color:rgba(255,255,255,.65)}
.versions{background:#fff}
.versions-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ver-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column}
.ver-card h3{font-size:19px;margin-bottom:4px}
.ver-card .ver{font-size:13px;color:var(--brand);font-weight:600;margin-bottom:6px}
.ver-card .size{font-size:13px;color:var(--mut);margin-bottom:16px}
.ver-card ul{margin-bottom:22px;flex:1}
.ver-card ul li{padding:6px 0;font-size:14px;color:var(--sub);display:flex;gap:8px}
.ver-card ul li::before{content:"✓";color:#34d399;font-weight:700}
.req{background:var(--bg)}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.req-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}
.req-item .k{font-size:13px;color:var(--mut);margin-bottom:6px}
.req-item .v{font-size:16px;font-weight:600}
.steps{background:#fff}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{text-align:center;padding:28px 20px}
.step-num{width:52px;height:52px;border-radius:50%;background:var(--grad);color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.step-card h3{font-size:18px;margin-bottom:8px}
.step-card p{color:var(--sub);font-size:14px}
/* news list page */
.page-hero{background:radial-gradient(900px 400px at 80% -10%,rgba(124,58,237,.3),transparent 60%),#0b1020;padding:150px 0 70px;color:#fff;text-align:center}
.page-hero h1{font-size:42px;font-weight:800}
.page-hero p{color:rgba(255,255,255,.75);margin-top:14px;font-size:17px}
.news-list{background:var(--bg)}
.news-list-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.news-list-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;gap:20px;transition:all .3s}
.news-list-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.news-list-card img{width:220px;aspect-ratio:16/9;object-fit:cover}
.news-list-card .body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-list-card .cat{font-size:12px;color:var(--brand);font-weight:600;margin-bottom:8px}
.news-list-card h2{font-size:19px;line-height:1.4;margin-bottom:10px}
.news-list-card p{color:var(--sub);font-size:14px;flex:1}
.news-list-card .date{font-size:12px;color:var(--mut);margin-top:10px}
/* article */
.article-hero{background:radial-gradient(900px 400px at 80% -10%,rgba(124,58,237,.3),transparent 60%),#0b1020;padding:150px 0 60px;color:#fff}
.breadcrumb{display:flex;gap:8px;font-size:13px;color:rgba(255,255,255,.65);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a:hover{color:#fff}
.article-hero h1{font-size:34px;font-weight:800;line-height:1.3;max-width:820px}
.article-meta{display:flex;gap:20px;margin-top:18px;font-size:13px;color:rgba(255,255,255,.7);flex-wrap:wrap}
.article-body-wrap{display:grid;grid-template-columns:1fr 320px;gap:48px;padding:60px 0 90px;align-items:start}
.article-content{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:44px}
.article-content h2{font-size:24px;font-weight:700;margin:34px 0 16px;padding-left:14px;border-left:4px solid var(--brand)}
.article-content p{color:var(--sub);font-size:16px;margin-bottom:16px;line-height:1.9}
.article-content img{border-radius:12px;margin:24px 0;width:100%}
.article-content .lead{font-size:18px;color:var(--ink);font-weight:500}
.article-content blockquote{border-left:4px solid var(--brand2);background:var(--bg);padding:16px 20px;border-radius:0 12px 12px 0;margin:24px 0;font-style:italic;color:var(--sub)}
.sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:22px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow)}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:18px;padding-left:12px;border-left:4px solid var(--brand)}
.toc-list{position:relative}
.toc-list::before{content:"";position:absolute;left:5px;top:4px;bottom:4px;width:2px;background:var(--line)}
.toc-list a{display:flex;align-items:flex-start;gap:14px;padding:8px 0;font-size:14px;color:var(--sub);position:relative;transition:color .2s}
.toc-list a::before{content:"";width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid var(--line);flex-shrink:0;margin-top:3px;z-index:1}
.toc-list a.active{color:var(--brand);font-weight:700}
.toc-list a.active::before{background:var(--brand);border-color:var(--brand)}
.hot-list li{margin:10px 0}
.hot-list a{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--sub);transition:color .2s}
.hot-list a:hover{color:var(--brand)}
.hot-rank{width:24px;height:24px;border-radius:6px;background:var(--line);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;transition:transform .2s}
.hot-rank.r1{background:var(--grad)}.hot-rank.r2{background:var(--orange)}.hot-rank.r3{background:var(--gold)}
.hot-list a:hover .hot-rank{transform:scale(1.15)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{font-size:13px;padding:7px 14px;border:1px solid var(--line);border-radius:999px;color:var(--sub);transition:all .2s}
.tag-cloud a:hover{color:var(--brand);border-color:var(--brand)}
.prevnext{display:flex;justify-content:space-between;gap:16px;margin-top:30px;flex-wrap:wrap}
.prevnext a{flex:1;min-width:200px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;font-size:14px;transition:all .2s}
.prevnext a:hover{border-color:var(--brand);color:var(--brand)}
.prevnext .dir{font-size:12px;color:var(--mut);display:block;margin-bottom:6px}
.comments{margin-top:30px}
.comments h3{font-size:20px;font-weight:700;margin-bottom:20px}
.comment{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.comment-ava{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.comment .c-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.comment .c-name{font-weight:600;font-size:14px}
.comment .c-date{font-size:12px;color:var(--mut)}
.comment p{color:var(--sub);font-size:14px}
/* sitemap & 404 */
.sitemap{background:#fff}
.sitemap h2{font-size:22px;margin:30px 0 16px;color:var(--brand)}
.sitemap ul li{margin:10px 0}
.sitemap a{color:var(--sub);font-size:15px}
.sitemap a:hover{color:var(--brand)}
.e404{min-height:100vh;background:radial-gradient(900px 500px at 50% -10%,rgba(124,58,237,.35),transparent 60%),#0b1020;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;padding:24px}
.e404 h1{font-size:120px;font-weight:800;background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.e404 p{font-size:20px;margin:20px 0 30px;opacity:.85}
.e404 .btn{background:var(--grad);color:#fff}
/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
/* responsive */
@media(max-width:992px){
  .section{padding:70px 0}
  .hero{padding:130px 0 70px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:38px}
  .dl-hero .hero-inner{grid-template-columns:1fr}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .scenarios-grid{grid-template-columns:repeat(2,1fr)}
  .pricing-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}
  .price-card.featured{transform:none}
  .testi-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .versions-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}
  .req-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .news-list-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .article-body-wrap{grid-template-columns:1fr}
  .sidebar{position:static;order:2}
  .nav-menu{position:fixed;top:64px;left:0;right:0;background:#0b1020;flex-direction:column;align-items:stretch;padding:16px;gap:4px;transform:translateY(-120%);transition:transform .3s;max-height:calc(100vh - 64px);overflow-y:auto}
  .nav-menu.open{transform:translateY(0)}
  .nav-item{width:100%}
  .nav-link{padding:14px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.08)}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;background:rgba(255,255,255,.06);box-shadow:none;min-width:0;margin:0 0 6px;padding:0;display:none}
  .dropdown.open{display:block}
  .dropdown a{color:#fff;padding:12px 20px}
  .dropdown a:hover{background:rgba(255,255,255,.1);color:#fff}
  .hamburger{display:flex}
  .nav-actions .btn-ghost{display:none}
}
@media(max-width:768px){
  .container{padding:0 18px}
  .sec-title{font-size:30px}
  .hero h1{font-size:32px}
  .hero-stats{gap:24px}
  .features-grid{grid-template-columns:1fr}
  .scenarios-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .req-grid{grid-template-columns:1fr}
  .news-list-card{flex-direction:column}
  .news-list-card img{width:100%}
  .article-content{padding:26px}
  .article-hero h1{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .hero h1{font-size:28px}
  .sec-title{font-size:26px}
  .hero-cta .btn{width:100%}
  .hero-stats{flex-direction:column;gap:14px}
  .steps-grid{grid-template-columns:1fr}
  .cta h2{font-size:28px}
  .e404 h1{font-size:90px}
  .prevnext a{min-width:100%}
  .price-card{padding:28px 22px}
}