*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:hidden;font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Source Han Sans SC",sans-serif;color:#20262e;background:#fff;font-size:15px;line-height:1.75}
img{max-width:100%;border:0;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
button,input,textarea,select{font-family:inherit;font-size:inherit}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
:root{--ink:#0f1319;--ink2:#1a202a;--line:#e3e6ea;--paper:#f4f5f7;--org:#f0691c;--org2:#cf5a12;--mut:#6c7784;--mut2:#98a3af}

/* 顶部信息条 */
.m4q-top{background:var(--ink);color:#9aa4b1;font-size:12.5px;letter-spacing:.3px}
.m4q-top .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:14px}
.m4q-top b{color:#e6ebf2;font-weight:400}
.m4q-top .r{display:flex;gap:22px;flex-wrap:wrap}

/* 主导航 */
.m4q-hd{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60;transition:box-shadow .25s}
.m4q-hd.on{box-shadow:0 6px 24px rgba(15,19,25,.09)}
.m4q-hd .wrap{display:flex;align-items:center;justify-content:space-between;height:80px;gap:20px}
.m4q-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.m4q-logo img{height:46px;width:auto}
.m4q-logo .tx{display:flex;flex-direction:column;line-height:1.15}
.m4q-logo .tx i{font-style:normal;font-size:19px;font-weight:800;letter-spacing:2px;color:var(--ink)}
.m4q-logo .tx span{font-size:11.5px;color:var(--mut);letter-spacing:.5px;margin-top:2px}
.m4q-nav{display:flex;align-items:center;gap:2px;flex:1 1 auto;justify-content:center}
.m4q-nav a{padding:8px 14px;font-size:15px;color:#2b323c;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.m4q-nav a:hover{color:var(--org)}
.m4q-nav a.cur{color:var(--org);border-bottom-color:var(--org);font-weight:700}
.m4q-hbtn{flex:0 0 auto}
.m4q-hbtn a{display:inline-block;background:var(--org);color:#fff;padding:10px 22px;border-radius:2px;font-size:14.5px;font-weight:700;transition:background .2s}
.m4q-hbtn a:hover{background:var(--org2)}
.m4q-burger{display:none;width:42px;height:38px;border:1px solid var(--line);background:#fff;padding:9px 8px;cursor:pointer}
.m4q-burger i{display:block;height:2px;background:#333;margin-bottom:5px;transition:.2s}
.m4q-burger i:last-child{margin-bottom:0}

/* 首页横幅 */
.m4q-bn{position:relative;height:560px;overflow:hidden;background:#0b0e12}
.m4q-bn .sl{position:absolute;inset:0;opacity:0;transition:opacity .8s;pointer-events:none}
.m4q-bn .sl.on{opacity:1;pointer-events:auto}
.m4q-bn .sl img{width:100%;height:100%;object-fit:cover}
.m4q-bn .msk{position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,12,17,.92) 0%,rgba(9,12,17,.72) 42%,rgba(9,12,17,.28) 72%,rgba(9,12,17,.05) 100%)}
.m4q-bn .bd{position:absolute;left:0;right:0;bottom:104px;z-index:3}
.m4q-bn .bd .wrap{max-width:1200px}
.m4q-bn .tg{display:inline-block;color:#ffb27a;font-size:12.5px;letter-spacing:4px;border-left:3px solid var(--org);padding-left:12px;margin-bottom:18px}
.m4q-bn h2,.m4q-bn h1{color:#fff;font-size:46px;max-width:700px;margin-bottom:16px;text-shadow:0 2px 18px rgba(0,0,0,.4)}
.m4q-bn .ds{color:#c4cdd8;font-size:15.5px;max-width:600px;line-height:1.85;margin-bottom:26px}
.m4q-bb{display:flex;gap:14px;flex-wrap:wrap}
.m4q-b1{background:var(--org);color:#fff;padding:12px 28px;font-weight:700;border-radius:2px;display:inline-block}
.m4q-b1:hover{background:var(--org2)}
.m4q-b2{border:1px solid rgba(255,255,255,.55);color:#fff;padding:12px 28px;border-radius:2px;display:inline-block}
.m4q-b2:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.m4q-dots{position:absolute;right:34px;bottom:86px;display:flex;gap:8px;z-index:4}
.m4q-dots b{width:26px;height:3px;background:rgba(255,255,255,.35);cursor:pointer;display:block;transition:.3s}
.m4q-dots b.on{background:var(--org);width:40px}

/* 分类卡条 */
.m4q-cat{margin-top:-64px;position:relative;z-index:5}
.m4q-cat .grid{display:grid;grid-template-columns:repeat(6,1fr);background:#fff;box-shadow:0 18px 48px rgba(15,19,25,.14)}
.m4q-cat a{padding:26px 22px 24px;border-right:1px solid var(--line);border-top:3px solid transparent;transition:.25s;display:block}
.m4q-cat a:last-child{border-right:0}
.m4q-cat a:hover{border-top-color:var(--org);background:#fbfcfd;transform:translateY(-2px)}
.m4q-cat em{font-style:normal;font-size:11px;letter-spacing:2px;color:#a6b0bb;display:block}
.m4q-cat h3{font-size:17px;margin:6px 0 8px;color:var(--ink)}
.m4q-cat p{font-size:12.5px;color:var(--mut);line-height:1.6}

/* 通用板块 */
.m4q-sec{padding:76px 0}
.m4q-sec.gy{background:var(--paper)}
.m4q-st{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:38px;flex-wrap:wrap}
.m4q-st .l h2{font-size:30px;color:var(--ink);position:relative;padding-bottom:16px}
.m4q-st .l h2:after{content:"";position:absolute;left:0;bottom:0;width:44px;height:3px;background:var(--org)}
.m4q-st .l em{font-style:normal;display:block;font-size:11.5px;letter-spacing:3px;color:#a9b2bd;margin-bottom:8px}
.m4q-st .l p{font-size:13.5px;color:var(--mut);margin-top:12px;max-width:760px}
.m4q-st .r a{font-size:13.5px;color:var(--mut);border:1px solid var(--line);padding:9px 20px;border-radius:2px;display:inline-block}
.m4q-st .r a:hover{color:var(--org);border-color:var(--org)}

/* 产品卡 */
.m4q-plist{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.m4q-pc{border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;transition:.28s;overflow:hidden}
.m4q-pc:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(15,19,25,.12);border-color:#d3d8de}
.m4q-pc .im{position:relative;aspect-ratio:4/3;overflow:hidden;background:#eceef1}
.m4q-pc .im img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.m4q-pc:hover .im img{transform:scale(1.05)}
.m4q-pc .im b{position:absolute;left:0;top:0;background:var(--org);color:#fff;font-size:12px;font-weight:400;padding:4px 10px;letter-spacing:.5px}
.m4q-pc .tx{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.m4q-pc h3{font-size:16.5px;color:var(--ink);margin-bottom:8px;line-height:1.45}
.m4q-pc .sm{font-size:12.5px;color:var(--mut);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.m4q-pc .kv{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.m4q-pc .kv i{font-style:normal;font-size:11.5px;color:#5c6773;background:#f1f3f5;padding:2px 8px;border-radius:2px}
.m4q-pc .go{margin-top:auto;font-size:12.5px;color:var(--org);display:flex;align-items:center;gap:6px}
.m4q-pc .go s{text-decoration:none;width:16px;height:1px;background:var(--org);display:block;transition:width .3s}
.m4q-pc:hover .go s{width:26px}

/* 数字条 */
.m4q-num{background:var(--ink);padding:54px 0}
.m4q-num .grid{display:grid;grid-template-columns:repeat(5,1fr);text-align:center;gap:10px}
.m4q-num .it b{display:block;font-size:40px;color:#fff;font-weight:800;line-height:1.1;letter-spacing:-.5px}
.m4q-num .it b i{font-style:normal;color:var(--org);font-size:20px;margin-left:2px}
.m4q-num .it span{display:block;color:#8f9aa6;font-size:13px;margin-top:8px}

/* 工艺能力 */
.m4q-cap{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.m4q-cap.m4q-c2{grid-template-columns:repeat(2,1fr)}
.m4q-cap .it{background:#fff;padding:32px 28px 30px;position:relative;transition:.25s}
.m4q-cap .it:hover{background:#fff;box-shadow:inset 0 3px 0 var(--org)}
.m4q-cap .it em{font-style:normal;font-size:12px;color:#b8c1cb;letter-spacing:1px}
.m4q-cap .it h3{font-size:18px;color:var(--ink);margin:8px 0 10px}
.m4q-cap .it p{font-size:13.5px;color:var(--mut);line-height:1.8}

/* 流程 */
.m4q-flow{position:relative;display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.m4q-flow:before{content:"";position:absolute;left:6%;right:6%;top:34px;height:1px;background:var(--line)}
.m4q-flow .it{position:relative;text-align:center}
.m4q-flow .it b{width:68px;height:68px;line-height:66px;border:1px solid var(--line);background:#fff;border-radius:50%;display:inline-block;font-size:22px;font-weight:800;color:var(--org);position:relative;z-index:2}
.m4q-flow .it h3{font-size:16px;margin:16px 0 8px;color:var(--ink)}
.m4q-flow .it p{font-size:12.5px;color:var(--mut);line-height:1.7}

/* 新闻卡 */
.m4q-nlist{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.m4q-nc{background:#fff;border:1px solid var(--line);transition:.25s;display:flex;flex-direction:column}
.m4q-nc:hover{box-shadow:0 14px 30px rgba(15,19,25,.1);transform:translateY(-3px)}
.m4q-nc .im{aspect-ratio:16/9;overflow:hidden;background:#eceef1}
.m4q-nc .im img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.m4q-nc:hover .im img{transform:scale(1.04)}
.m4q-nc .tx{padding:18px 18px 20px}
.m4q-nc .mt{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--mut2);margin-bottom:10px}
.m4q-nc .mt i{font-style:normal;color:var(--org);border:1px solid rgba(240,105,28,.35);padding:1px 7px}
.m4q-nc h3{font-size:15.5px;color:var(--ink);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.m4q-nc .rd{margin-top:12px;font-size:12.5px;color:var(--mut)}

/* 认证 */
.m4q-cert{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.m4q-flow.m4q-f3{grid-template-columns:repeat(3,1fr)}
.m4q-cert .it{border:1px solid var(--line);padding:26px 22px;background:#fff}
.m4q-cert .it b{display:block;font-size:15px;color:var(--ink);margin-bottom:8px}
.m4q-cert .it p{font-size:12.5px;color:var(--mut);line-height:1.75}

/* FAQ */
.m4q-faq{max-width:100%}
.m4q-faq details{border-bottom:1px solid var(--line);padding:20px 0}
.m4q-faq summary{font-size:16px;color:var(--ink);cursor:pointer;font-weight:700;position:relative;padding-right:34px;list-style:none}
.m4q-faq summary::-webkit-details-marker{display:none}
.m4q-faq summary:after{content:"";position:absolute;right:4px;top:9px;width:11px;height:11px;border-right:2px solid var(--org);border-bottom:2px solid var(--org);transform:rotate(45deg);transition:.25s}
.m4q-faq details[open] summary:after{transform:rotate(225deg);top:13px}
.m4q-faq p{font-size:14px;color:var(--mut);line-height:1.85;margin-top:12px;padding-right:30px}

/* 页脚 */
.m4q-ft{background:#0b0f14;color:#8b96a3;font-size:13px}
.m4q-ft .top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding:58px 0 46px;border-bottom:1px solid rgba(255,255,255,.08)}
.m4q-ft h4{color:#e9edf2;font-size:16px;margin-bottom:18px;position:relative;padding-bottom:12px}
.m4q-ft h4:after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--org)}
.m4q-ft .ab p{line-height:1.9;color:#8b96a3}
.m4q-ft .lk li{margin-bottom:10px}
.m4q-ft .lk a:hover{color:#ffab74}
.m4q-ft .ct li{margin-bottom:12px;line-height:1.7}
.m4q-ft .ct b{color:#c9d1da;font-weight:400}
.m4q-ft .qr{display:flex;gap:14px;margin-top:16px}
.m4q-ft .qr img{width:92px;height:92px;background:#fff;padding:4px}
.m4q-ft .bt{padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#69737f}
.m4q-ft .bt a:hover{color:#ffab74}

/* 内页头图 */
.m4q-ph{background:var(--ink);color:#fff;padding:64px 0 56px;position:relative;overflow:hidden}
.m4q-ph:after{content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border:1px solid rgba(255,255,255,.08);transform:rotate(45deg)}
.m4q-crumb{font-size:12.5px;color:#8590a0;margin-bottom:16px}
.m4q-crumb a:hover{color:#ffab74}
.m4q-crumb s{text-decoration:none;margin:0 8px;color:#4d5866}
.m4q-ph h1{font-size:34px;max-width:820px}
.m4q-ph .ds{font-size:14px;color:#a6b1be;margin-top:14px;max-width:780px;line-height:1.8}
.m4q-ph .en{font-size:11.5px;letter-spacing:3px;color:#7d8896;margin-bottom:10px}

/* 通用内页内容 */
.m4q-main{padding:64px 0 78px}
.m4q-two{display:grid;grid-template-columns:1fr 320px;gap:46px;align-items:start}
.m4q-art h2{font-size:23px;color:var(--ink);margin:34px 0 14px;padding-left:13px;border-left:4px solid var(--org)}
.m4q-art h3{font-size:17px;color:#232b35;margin:24px 0 10px}
.m4q-art p{font-size:15px;line-height:1.95;color:#39424d;margin-bottom:14px;text-align:justify}
.m4q-art .fig{margin:26px 0 30px;border:1px solid var(--line)}
.m4q-art .fig figcaption{font-size:12.5px;color:var(--mut);padding:10px 14px;background:var(--paper)}
.m4q-art ul.dot li{font-size:14.5px;line-height:1.95;color:#39424d;padding-left:18px;position:relative;margin-bottom:8px}
.m4q-art ul.dot li:before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--org)}

/* 侧栏 */
.m4q-sd .bx{border:1px solid var(--line);margin-bottom:22px;background:#fff}
.m4q-sd .bx .hd{background:var(--ink);color:#fff;font-size:14px;padding:13px 18px;font-weight:700}
.m4q-sd .bx .bd{padding:16px 18px}
.m4q-sd .cl li{border-bottom:1px dashed var(--line);padding:9px 0;font-size:13.5px;display:flex;justify-content:space-between}
.m4q-sd .cl li:last-child{border-bottom:0}
.m4q-sd .cl li a{display:flex;justify-content:space-between;width:100%}
.m4q-sd .cl li:hover{color:var(--org)}
.m4q-sd .rc li{padding:10px 0;border-bottom:1px dashed var(--line)}
.m4q-sd .rc a{display:flex;gap:12px;width:100%;align-items:flex-start}
.m4q-sd .rc li:last-child{border-bottom:0}
.m4q-sd .rc img{width:88px;height:60px;object-fit:cover;flex:0 0 auto}
.m4q-sd .rc .t{display:block;font-size:12.5px;line-height:1.5;color:#333b45}
.m4q-sd .rc .d{display:block;font-size:11.5px;color:var(--mut2);margin-top:5px}
.m4q-sd .ct{font-size:13px;color:var(--mut);line-height:1.9}

/* 产品详情 */
.m4q-pdet{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;margin-bottom:20px}
.m4q-pdet .shot{border:1px solid var(--line);background:#eceef1}
.m4q-pdet .shot img{width:100%;aspect-ratio:4/3;object-fit:cover}
.m4q-pdet .info h1{font-size:28px;color:var(--ink);margin-bottom:12px}
.m4q-pdet .info .sub{font-size:14.5px;color:var(--mut);line-height:1.9;margin-bottom:18px}
.m4q-pdet .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.m4q-pdet .tags i{font-style:normal;font-size:12px;border:1px solid rgba(240,105,28,.4);color:var(--org2);padding:3px 10px}
.m4q-pdet .row{display:flex;gap:12px;flex-wrap:wrap}
.m4q-pdet .row a{display:inline-block;padding:11px 24px;font-size:14px;font-weight:700;border-radius:2px}
.m4q-pdet .row .o{background:var(--org);color:#fff}
.m4q-pdet .row .g{border:1px solid var(--line);color:#39424d}
.m4q-pdet .row .g:hover{border-color:var(--org);color:var(--org)}
.m4q-spec-t{font-size:13.5px}
.m4q-spec-t tr{border-bottom:1px solid var(--line)}
.m4q-spec-t th{width:150px;text-align:left;background:#f7f8fa;padding:10px 12px;font-weight:400;color:#5b6672;font-size:13px}
.m4q-spec-t td{padding:10px 12px;color:#232b35}
.m4q-feat{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:16px 0 8px}
.m4q-feat .it{border-top:3px solid var(--ink);background:var(--paper);padding:22px 20px}
.m4q-feat .it h3{font-size:16px;color:var(--ink);margin-bottom:10px}
.m4q-feat .it p{font-size:13.5px;color:#4a5460;line-height:1.85}
.m4q-use{display:flex;flex-wrap:wrap;gap:12px}
.m4q-use i{font-style:normal;background:#fff;border:1px solid var(--line);padding:8px 16px;font-size:13.5px;color:#39424d}
.m4q-pager{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:22px;margin-top:40px;font-size:13.5px;color:var(--mut)}
.m4q-pager a:hover{color:var(--org)}

/* 列表页 */
.m4q-filter{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.m4q-filter button{border:1px solid var(--line);background:#fff;padding:8px 18px;font-size:13.5px;cursor:pointer;color:#39424d}
.m4q-filter button.on,.m4q-filter button:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* 联系页 */
.m4q-ct-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:44px}
.m4q-ct-grid .it{border:1px solid var(--line);padding:28px 24px;background:#fff}
.m4q-ct-grid .it em{font-style:normal;font-size:11.5px;letter-spacing:2px;color:#a9b2bd}
.m4q-ct-grid .it b{display:block;font-size:19px;color:var(--ink);margin:8px 0 6px}
.m4q-ct-grid .it p{font-size:13px;color:var(--mut);line-height:1.8}
.m4q-form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;max-width:760px}
.m4q-form input,.m4q-form textarea{border:1px solid var(--line);padding:12px 14px;font-size:14px;width:100%;background:#fff}
.m4q-form textarea{grid-column:1/-1;min-height:120px;resize:vertical}
.m4q-form .full{grid-column:1/-1;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.m4q-form button{background:var(--org);color:#fff;border:0;padding:12px 32px;font-weight:700;cursor:pointer}
.m4q-form .tip{font-size:12.5px;color:var(--mut2)}

/* 404 */
.m4q-404{min-height:62vh;padding:110px 0 120px;text-align:center}
.m4q-404 b{font-size:96px;color:var(--ink);letter-spacing:-3px;display:block;line-height:1}
.m4q-404 h1{font-size:26px;margin:18px 0 10px;color:var(--ink)}
.m4q-404 p{color:var(--mut);font-size:14px;margin-bottom:26px}
.m4q-404 .lk{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:26px}
.m4q-404 .lk a{border:1px solid var(--line);padding:9px 18px;font-size:13.5px;color:#39424d}
.m4q-404 .lk a:hover{border-color:var(--org);color:var(--org)}

/* 回到顶部 */
.m4q-top-btn{position:fixed;right:22px;bottom:26px;width:44px;height:44px;background:var(--ink);color:#fff;border:0;cursor:pointer;display:none;z-index:80;font-size:13px}
.m4q-top-btn.show{display:block}

/* 响应式 */
@media (max-width:1180px){
 .m4q-bn h2,.m4q-bn h1{font-size:38px}
 .m4q-plist{grid-template-columns:repeat(3,1fr)}
 .m4q-two{grid-template-columns:1fr 290px;gap:30px}
 .m4q-ft .top{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
 .m4q-ft .top .qr-col{display:none}
}
@media (max-width:980px){
 .m4q-top .wrap{height:auto;padding:7px 20px;font-size:11.5px}
 .m4q-top .r{gap:14px}
 .m4q-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;flex-direction:column;align-items:stretch;padding:8px 0;border-bottom:1px solid var(--line);box-shadow:0 14px 26px rgba(15,19,25,.12)}
 .m4q-nav.open{display:flex}
 .m4q-nav a{padding:12px 24px;border-bottom:0;border-left:3px solid transparent}
 .m4q-nav a.cur{border-left-color:var(--org);background:#f8f9fa}
 .m4q-burger{display:block}
 .m4q-hbtn{display:none}
 .m4q-hd .wrap{height:66px}
 .m4q-logo img{height:38px}
 .m4q-bn{height:470px}
 .m4q-bn h2,.m4q-bn h1{font-size:30px}
 .m4q-cat{margin-top:-40px}
 .m4q-cat .grid{grid-template-columns:repeat(3,1fr)}
 .m4q-cat a{border-bottom:1px solid var(--line);padding:18px 18px}
 .m4q-num .grid{grid-template-columns:repeat(3,1fr);gap:26px}
 .m4q-num .it b{font-size:32px}
 .m4q-cap{grid-template-columns:repeat(2,1fr)}
 .m4q-flow{grid-template-columns:repeat(3,1fr);gap:26px}
 .m4q-flow:before{display:none}
 .m4q-nlist{grid-template-columns:repeat(2,1fr)}
 .m4q-plist{grid-template-columns:repeat(2,1fr)}
 .m4q-cert{grid-template-columns:repeat(2,1fr)}
 .m4q-two{grid-template-columns:1fr}
 .m4q-pdet{grid-template-columns:1fr;gap:26px}
 .m4q-feat{grid-template-columns:1fr}
 .m4q-ct-grid{grid-template-columns:1fr}
 .m4q-sec{padding:56px 0}
 .m4q-st .l h2{font-size:24px}
 .m4q-ph h1{font-size:26px}
 .m4q-ph{padding:44px 0 40px}
 .m4q-404 b{font-size:72px}
}
@media (max-width:640px){
 .m4q-top .wrap{flex-direction:column;align-items:flex-start;height:auto;gap:3px;padding:8px 20px}
 .m4q-top .r{gap:12px;flex-wrap:wrap}
 .m4q-cat .grid{grid-template-columns:repeat(2,1fr)}
 .m4q-plist{grid-template-columns:1fr}
 .m4q-nlist{grid-template-columns:1fr}
 .m4q-cap{grid-template-columns:1fr!important}
 .m4q-num .grid{grid-template-columns:repeat(2,1fr)}
 .m4q-flow{grid-template-columns:repeat(2,1fr)!important}
 .m4q-bn{height:420px}
 .m4q-bn h2,.m4q-bn h1{font-size:24px}
 .m4q-bn .bd{bottom:70px}
 .m4q-bn .ds{font-size:13.5px}
 .m4q-cat{margin-top:0}
 .m4q-cat .grid{box-shadow:none;border:1px solid var(--line)}
 .m4q-form{grid-template-columns:1fr}
 .m4q-ft .top{grid-template-columns:1fr;gap:26px;padding:40px 0 30px}
 .m4q-ft .bt{flex-direction:column}
 .m4q-logo .tx i{font-size:16px}
}