*,*::before,*::after{box-sizing:border-box}
:root{--brand:#229ed9;--brand2:#2aabee;--brand3:#1d8ec4;--ink:#0d1b2a;--muted:#5a6b7d;--line:#e2edf5;--bg:#f6fbfe;--card:#fff;--ok:#22c07d;--shadow:0 10px 30px rgba(16,72,110,.09)}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand3);text-decoration:none}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.3;letter-spacing:.2px}
h1{font-size:clamp(28px,4vw,46px)}
h2{font-size:clamp(23px,2.6vw,32px)}
p{margin:0 0 1em}
ul,ol{padding-left:1.2em}
.wrap{width:min(1180px,92%);margin:0 auto}
.sec{padding:76px 0}
.sec--tint{background:#fff}
.sec-head{text-align:center;max-width:760px;margin:0 auto 44px}
.sec-head p{color:var(--muted);margin:0}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--brand3);background:#e6f5fd;border-radius:999px;padding:6px 14px;margin-bottom:14px;text-transform:uppercase}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:999px;font-weight:700;font-size:16px;border:2px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;background:linear-gradient(120deg,var(--brand2),var(--brand));color:#fff;box-shadow:0 8px 20px rgba(34,158,217,.28)}
.btn:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(34,158,217,.36)}
.btn--ghost{background:#fff;color:var(--brand3);border-color:#bfe3f5;box-shadow:none}
.btn--ghost:hover{color:var(--brand3);background:#eef9ff;box-shadow:0 8px 18px rgba(34,158,217,.16)}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px}
.nav{position:fixed;top:0;left:0;right:0;z-index:90;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid rgba(226,237,245,.9);transition:background .25s ease,box-shadow .25s ease}
.nav.is-stuck{background:rgba(10,32,50,.86);border-bottom-color:rgba(255,255,255,.08);box-shadow:0 6px 24px rgba(0,0,0,.18)}
.nav.is-stuck .nav-link,.nav.is-stuck .brand-name,.nav.is-stuck .dd>summary{color:#eaf7ff}
.nav.is-stuck .logo-box{background:#fff}
.nav-in{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:18px}
.brand:hover{color:var(--brand3)}
.logo-box{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--brand2),var(--brand3));display:grid;place-items:center;overflow:hidden;flex:0 0 auto}
.logo-box img{width:100%;height:100%;object-fit:cover}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link,.dd>summary{display:block;padding:10px 13px;border-radius:10px;color:#1b3348;font-size:15px;font-weight:600;cursor:pointer;list-style:none}
.nav-link:hover,.dd>summary:hover{background:rgba(34,158,217,.09);color:var(--brand3)}
.dd{position:relative}
.dd>summary::-webkit-details-marker{display:none}
.dd>summary::after{content:"▾";display:inline-block;margin-left:6px;font-size:12px;transition:transform .2s ease}
.dd[open]>summary::after,.dd:hover>summary::after{transform:rotate(180deg)}
.dd-panel{position:absolute;top:calc(100% + 8px);left:0;min-width:220px;background:#fff;border-radius:14px;box-shadow:0 18px 44px rgba(9,45,68,.18);padding:8px;border:1px solid var(--line)}
.dd-panel a{display:block;padding:10px 12px;border-radius:9px;color:#1b3348;font-size:14px;font-weight:600}
.dd-panel a:hover{background:#eef9ff;color:var(--brand3)}
.dd[open] .dd-panel{display:block}
@media(hover:hover){.dd:hover .dd-panel{display:block}}
.nav-cta{margin-left:8px}
.nav-toggle,.nav-toggle-label{display:none}
.hero{position:relative;padding:132px 0 78px;background:radial-gradient(1100px 520px at 82% -10%,#bfe9ff 0%,rgba(191,233,255,0) 60%),linear-gradient(180deg,#f2fbff,#e9f6fe 60%,#f6fbfe)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.hero h1{margin-bottom:16px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--brand3),#3fc0e0);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:18px;color:var(--muted);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 12px}
.hero-note{font-size:13px;color:#7b8fa1}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px;max-width:520px}
.hero-stats div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;box-shadow:var(--shadow)}
.hero-stats b{display:block;font-size:24px;color:var(--brand3);line-height:1.2}
.hero-stats span{font-size:13px;color:var(--muted)}
.demo{background:#fff;border-radius:22px;box-shadow:0 26px 70px rgba(9,58,90,.18);border:1px solid #d9ecf7;overflow:hidden}
.demo-top{display:flex;align-items:center;gap:10px;padding:12px 16px;background:linear-gradient(120deg,#1f9ad4,#2aabee);color:#fff}
.demo-top .dots{display:flex;gap:5px}
.demo-top .dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.55)}
.demo-title{font-size:14px;font-weight:700;margin-left:4px}
.demo-body{display:grid;grid-template-columns:120px 1fr;min-height:392px}
.chat-list{background:#f1f9fe;border-right:1px solid #e1eff8;padding:8px}
.chat-item{display:flex;align-items:center;gap:8px;padding:9px 8px;border-radius:10px;border:0;background:transparent;width:100%;text-align:left;font:inherit;font-size:12.5px;color:#204055;cursor:pointer}
.chat-item:hover{background:#e2f4fe}
.chat-item.is-on{background:#fff;box-shadow:0 4px 12px rgba(15,80,115,.1);font-weight:700}
.avatar{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:12px;color:#fff;background:linear-gradient(135deg,#4bc1f2,#1d8ec4);flex:0 0 auto}
.avatar--b{background:linear-gradient(135deg,#8f7bff,#5b52d6)}
.avatar--c{background:linear-gradient(135deg,#ffb35c,#f2803a)}
.chat-main{display:flex;flex-direction:column;padding:12px;gap:8px;background:linear-gradient(180deg,#f9fdff,#eef8fe);min-height:0}
.chat-scroll{flex:1;display:flex;flex-direction:column;gap:8px;overflow:auto;max-height:280px;padding-right:4px}
.msg{max-width:82%;padding:9px 12px;border-radius:14px;font-size:13.5px;line-height:1.55;background:#fff;box-shadow:0 2px 8px rgba(12,64,92,.08);align-self:flex-start;border-bottom-left-radius:5px}
.msg--me{align-self:flex-end;background:linear-gradient(120deg,#2aabee,#1f94cd);color:#fff;border-bottom-left-radius:14px;border-bottom-right-radius:5px}
.msg time{display:block;font-size:10.5px;opacity:.6;margin-top:2px}
.chat-input{display:flex;gap:8px;align-items:center;background:#fff;border:1px solid #dcecf6;border-radius:999px;padding:5px 6px 5px 14px}
.chat-input input{flex:1;border:0;outline:none;font:inherit;font-size:13px;background:transparent;min-width:0}
.chat-send{border:0;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#2aabee,#1d8ec4);color:#fff;font-size:16px;cursor:pointer;flex:0 0 auto}
.chat-send:hover{filter:brightness(1.07)}
.chat-tools{display:flex;gap:6px;flex-wrap:wrap;font-size:12px}
.chip{border:1px solid #cfe8f6;background:#fff;color:#28607f;border-radius:999px;padding:5px 11px;cursor:pointer;font:inherit;font-size:12px}
.chip:hover{background:#eaf7ff;border-color:#a7d8f2}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff}
.stats{background:#0b2c42;color:#dff3ff;padding:34px 0}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;text-align:center}
.stats b{display:block;font-size:clamp(24px,3vw,34px);color:#fff}
.stats span{font-size:13px;color:#9ec9de}
.grid{display:grid;gap:22px}
.grid--6{grid-template-columns:repeat(6,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 4px 14px rgba(16,72,110,.05);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(16,72,110,.13);border-color:#c8e6f7}
.card .ico{font-size:26px;width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#eaf8ff,#d9f0fc);margin-bottom:14px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--muted);margin:0;font-size:15px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.feature-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.feature-list li{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.feature-list .tick{width:26px;height:26px;border-radius:50%;background:#e4f8ee;color:#12a366;display:grid;place-items:center;font-size:14px;flex:0 0 auto;font-weight:700}
.feature-list b{display:block;font-size:15px}
.feature-list span{color:var(--muted);font-size:14px}
.sync-visual{background:linear-gradient(150deg,#0f3d59,#156189 60%,#1d8ec4);border-radius:22px;padding:28px;color:#eaf8ff;box-shadow:0 22px 50px rgba(9,58,90,.24)}
.device-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.device{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:14px;text-align:center;font-size:13px}
.device b{display:block;font-size:20px;margin-bottom:4px}
.sync-bar{height:8px;border-radius:999px;background:rgba(255,255,255,.16);overflow:hidden;margin-top:18px}
.sync-bar i{display:block;height:100%;width:100%;background:linear-gradient(90deg,#7fe3ff,#4bc1f2)}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;display:flex;flex-direction:column;box-shadow:0 6px 18px rgba(16,72,110,.06);position:relative}
.plan--hot{border:2px solid var(--brand);box-shadow:0 20px 46px rgba(34,158,217,.22);transform:translateY(-6px)}
.plan .tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(120deg,#2aabee,#1d8ec4);color:#fff;font-size:12px;font-weight:700;padding:5px 16px;border-radius:999px;white-space:nowrap}
.plan h3{font-size:20px;margin-bottom:4px}
.plan .price{font-size:34px;font-weight:800;color:var(--brand3);line-height:1.2;margin:8px 0 2px}
.plan .price small{font-size:13px;color:var(--muted);font-weight:600}
.plan ul{list-style:none;padding:0;margin:16px 0 22px;display:grid;gap:9px;font-size:14.5px;color:#33566b;flex:1}
.plan li::before{content:"✓";color:var(--brand);font-weight:800;margin-right:8px}
.plan .btn{width:100%}
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-item summary{cursor:pointer;padding:18px 22px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--brand);font-weight:700;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item .ans{padding:0 22px 20px;color:var(--muted);font-size:15px}
.faq-item .ans ol{margin:0;padding-left:1.3em;display:grid;gap:5px}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}
.quote p{font-size:15px;color:#1b3348}
.quote .who{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:14px;font-size:14px}
.quote .who b{display:block;font-size:14px}
.quote .who span{font-size:12.5px;color:var(--muted)}
.rating{color:#f5a623;font-size:13px;letter-spacing:2px;margin-bottom:10px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease}
.news-card:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(16,72,110,.13)}
.news-card img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-meta{font-size:12.5px;color:#8298aa;display:flex;gap:10px;flex-wrap:wrap}
.news-body h3{font-size:17px;margin:0}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--brand3)}
.news-body p{font-size:14px;color:var(--muted);margin:0;flex:1}
.more{font-size:14px;font-weight:700}
.cta{background:linear-gradient(120deg,#0c3a55,#1d8ec4 60%,#2aabee);color:#fff;text-align:center;padding:70px 0}
.cta h2{color:#fff}
.cta p{color:#d6effd;max-width:640px;margin:0 auto 26px}
.cta .btn{background:#fff;color:#1279a8;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.cta .btn:hover{color:#0f6b95;background:#f2fbff}
.footer{background:#08222f;color:#a9c5d4;padding:56px 0 24px;font-size:14px}
.footer a{color:#c6dfec}
.footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer h4{color:#fff;font-size:15px;margin-bottom:12px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:12px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#8fb0c1;font-size:13px}
.breadcrumb{font-size:13.5px;color:var(--muted);padding:96px 0 0}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0}
.breadcrumb li::after{content:"/";margin-left:8px;color:#b9ccd9}
.breadcrumb li:last-child::after{content:""}
.page-head{padding:22px 0 10px}
.page-head h1{margin-bottom:10px}
.page-head p{color:var(--muted);max-width:760px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start;padding:18px 0 70px}
.article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:0 6px 20px rgba(16,72,110,.05);min-width:0}
.article h1{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.article-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:13px;color:#7d94a6;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:22px}
.article img{border-radius:14px;margin:6px 0 10px}
.article figure{margin:22px 0}
.article figcaption{font-size:12.5px;color:#8298aa;text-align:center;margin-top:8px}
.article h2{font-size:23px;margin:30px 0 12px;padding-left:12px;border-left:4px solid var(--brand)}
.article h3{font-size:18px;margin:22px 0 10px}
.article p{font-size:16px;color:#23384a;line-height:1.95}
.article blockquote{margin:22px 0;padding:18px 22px;background:#f2fbff;border-left:4px solid var(--brand2);border-radius:0 12px 12px 0;color:#204055;font-size:15.5px}
.article blockquote cite{display:block;font-size:13px;color:#6f8798;font-style:normal;margin-top:8px}
.article-cta{background:#f1fbff;border:1px solid #d5eefb;border-radius:14px;padding:20px;margin:26px 0}
.article-cta b{display:block;margin-bottom:6px}
.pager{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:30px;padding-top:20px;font-size:14px;font-weight:600}
.related{margin-top:26px}
.related ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.related li a{font-size:14.5px}
.side{position:sticky;top:88px;display:grid;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 6px 18px rgba(16,72,110,.05)}
.side-card h3{font-size:15px;margin:0 0 14px;padding-left:10px;border-left:3px solid var(--brand);line-height:1.4}
.toc{list-style:none;padding:0 0 0 14px;margin:0;position:relative;display:grid;gap:12px}
.toc::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;background:#e1eff8}
.toc li{position:relative;font-size:13.5px}
.toc li::before{content:"";position:absolute;left:-19px;top:8px;width:8px;height:8px;border-radius:50%;background:#c3dceb;box-shadow:0 0 0 3px #fff}
.toc a{color:#3d5c70}
.toc li.is-active::before{background:var(--brand)}
.toc li.is-active a{color:var(--brand3);font-weight:700}
.rank{list-style:none;padding:0;margin:0;display:grid;gap:12px;counter-reset:r}
.rank li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;counter-increment:r}
.rank li::before{content:counter(r);flex:0 0 auto;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff;background:#a9bfcd;transition:transform .2s ease}
.rank li:nth-child(1)::before{background:linear-gradient(135deg,#2aabee,#1d8ec4)}
.rank li:nth-child(2)::before{background:linear-gradient(135deg,#ffb35c,#f2803a)}
.rank li:nth-child(3)::before{background:linear-gradient(135deg,#f7d060,#dfa72b)}
.rank li:hover::before{transform:scale(1.12)}
.rank a{color:#2b4658;font-weight:600}
.rank a:hover{color:var(--brand3)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-size:12.5px;padding:5px 11px;border-radius:999px;background:#f2f9fd;border:1px solid transparent;color:#35637c}
.tags a:hover{color:var(--brand3);border-color:var(--brand);background:#eaf7ff}
.comments{margin-top:34px;border-top:1px solid var(--line);padding-top:26px}
.comment{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line)}
.comment:last-child{border-bottom:0}
.comment .avatar{width:36px;height:36px;font-size:14px}
.comment b{font-size:14px}
.comment time{font-size:12px;color:#93a8b7;margin-left:8px}
.comment p{margin:4px 0 0;font-size:14.5px;color:#33566b}
.sitemap-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sitemap-list ul{list-style:none;padding:0;margin:0;display:grid;gap:8px;font-size:14.5px}
.center{text-align:center}
.err-code{font-size:clamp(70px,14vw,140px);font-weight:800;line-height:1;background:linear-gradient(120deg,#2aabee,#1d8ec4);-webkit-background-clip:text;background-clip:text;color:transparent}
.to-top{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;border:0;background:linear-gradient(135deg,#2aabee,#1d8ec4);color:#fff;font-size:18px;cursor:pointer;box-shadow:0 10px 24px rgba(34,158,217,.35);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:88}
.to-top.is-show{opacity:1;visibility:visible}
.reveal{opacity:1;transform:none}
html.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
html.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
@media(max-width:992px){
.hero{padding:112px 0 56px}
.hero-grid{grid-template-columns:1fr;gap:32px}
.hero-stats{max-width:none}
.stats-grid{grid-template-columns:repeat(3,1fr);gap:22px}
.grid--6{grid-template-columns:repeat(3,1fr)}
.grid--3,.quote-grid,.news-grid,.price-grid,.sitemap-list{grid-template-columns:repeat(2,1fr)}
.split{grid-template-columns:1fr;gap:28px}
.article-layout{grid-template-columns:1fr}
.side{position:static;grid-template-columns:1fr 1fr;display:grid}
.side-card:first-child{grid-column:1/-1}
.nav-toggle-label{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;margin-left:auto;cursor:pointer;font-size:20px;color:#1b3348;background:#eef7fc}
.nav-cta{display:none}
.nav-menu{position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:2px;padding:10px 5%;box-shadow:0 18px 34px rgba(9,45,68,.14);display:none;max-height:calc(100vh - 68px);overflow:auto}
#navtoggle:checked~.nav-menu{display:flex}
.nav.is-stuck .nav-menu{background:#0b2c42}
.dd-panel{position:static;box-shadow:none;border:0;padding:0 0 6px 12px;background:transparent}
.dd-panel a{color:#2b4658}
}
@media(max-width:768px){
.sec{padding:56px 0}
.grid--6,.grid--3,.quote-grid,.news-grid,.price-grid,.sitemap-list,.grid--2{grid-template-columns:1fr}
.plan--hot{transform:none}
.demo-body{grid-template-columns:96px 1fr}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.article{padding:22px}
.article p{font-size:15.5px}
.side{grid-template-columns:1fr}
.foot-grid{grid-template-columns:1fr 1fr}
.footer{padding-top:40px}
}
@media(max-width:480px){
body{font-size:15px}
.wrap{width:94%}
.hero{padding:96px 0 44px}
.hero-stats{grid-template-columns:1fr}
.hero-actions .btn{width:100%}
.demo-body{grid-template-columns:1fr}
.chat-list{display:flex;gap:6px;overflow:auto;border-right:0;border-bottom:1px solid #e1eff8}
.chat-item{flex:0 0 auto}
.chat-scroll{max-height:260px}
.stats-grid{grid-template-columns:1fr}
.foot-grid{grid-template-columns:1fr}
.article{padding:18px}
.article-meta{gap:8px}
}