/* LZH 成都联洲汇科技 · 静态站样式 */
:root{--bg:#1c1d21;--bg2:#24262b;--bg3:#2d2f35;--red:#e52b2b;--red2:#c71f1f;--txt:#fff;--mute:#a4a7b0;--line:rgba(255,255,255,.12);--w:1260px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font:15px/1.75 "Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
.wrap{width:var(--w);max-width:calc(100% - 48px);margin:0 auto}
.ico{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.en-font{font-family:Arial,"Helvetica Neue",sans-serif}
.red{color:var(--red)}
.mute{color:var(--mute)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 34px;background:var(--red);border:1px solid var(--red);color:#fff;font-size:15px;font-weight:600;letter-spacing:.5px;cursor:pointer;transition:background .25s,color .25s,border-color .25s}
.btn:hover{background:var(--red2);border-color:var(--red2)}
.btn .ico{width:16px;height:16px;transition:transform .25s}
.btn:hover .ico{transform:translateX(3px)}
.btn.ghost{background:transparent;border-color:rgba(255,255,255,.55)}
.btn.ghost:hover{background:#fff;border-color:#fff;color:var(--bg)}
.btn.white{background:#fff;border-color:#fff;color:var(--red)}
.btn.white:hover{background:var(--bg);border-color:var(--bg);color:#fff}
.btn.sm{height:40px;padding:0 22px;font-size:14px}

/* 页头 */
.hd{position:fixed;left:0;right:0;top:0;z-index:50;height:104px;transition:height .3s,background .3s,box-shadow .3s}
.hd.solid{height:80px;background:rgba(28,29,33,.97);box-shadow:0 2px 24px rgba(0,0,0,.35)}
.hd .wrap{display:flex;align-items:center;height:100%}
.logo{display:flex;align-items:center;gap:12px;height:50px}
.logo b{display:grid;place-items:center;width:50px;height:50px;background:var(--red);font:900 17px/1 Arial,sans-serif;letter-spacing:1px}
.logo span{font-size:15px;font-weight:700;line-height:1.35;white-space:nowrap}
.logo small{display:block;font:400 9.5px/1.4 Arial,sans-serif;color:var(--mute);letter-spacing:.8px}
.nav{display:flex;margin-left:auto}
.nav a{position:relative;padding:0 17px;line-height:48px;font-size:15px;white-space:nowrap;color:#e8e9ec;transition:color .25s}
.nav a::after{content:"";position:absolute;left:17px;right:17px;bottom:6px;height:2px;background:var(--red);transform:scaleX(0);transition:transform .25s}
.nav a:hover,.nav a.on{color:#fff}
.nav a:hover::after,.nav a.on::after{transform:scaleX(1)}
.hd-tools{display:flex;align-items:center;gap:24px;margin:0 32px 0 28px}
.hd-tools a{display:grid;place-items:center;opacity:.85;transition:opacity .25s,color .25s}
.hd-tools a:hover{opacity:1;color:var(--red)}
.hd-tools .ico{width:24px;height:24px}
.hd .btn{width:140px;padding:0}
.burger{display:none;width:44px;height:44px;margin-left:12px;background:none;border:0;cursor:pointer;place-items:center}
.burger .ico{width:28px;height:28px}
/* 首页 Hero 轮播 */
.hero{position:relative;height:100vh;min-height:700px;max-height:980px;overflow:hidden}
.hero .slide{position:absolute;inset:0;background:center/cover no-repeat;opacity:0;transform:scale(1.06);transition:opacity 1.2s,transform 6s linear}
.hero .slide.on{opacity:1;transform:scale(1)}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(20,21,24,.94) 0%,rgba(20,21,24,.72) 45%,rgba(20,21,24,.25) 100%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:200px;z-index:1;background:linear-gradient(transparent,var(--bg))}
.hero .wrap{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;padding-top:60px}
.hero .kicker{display:inline-flex;align-items:center;gap:12px;font:700 14px/1 Arial,sans-serif;letter-spacing:3px;color:var(--red)}
.hero .kicker::before{content:"";width:40px;height:2px;background:var(--red)}
.hero h1{margin:26px 0 10px;font-size:58px;line-height:1.18;font-weight:800;letter-spacing:1px}
.hero .en{font:600 20px/1.5 Arial,sans-serif;color:#d6d8dd;letter-spacing:.5px;max-width:640px}
.hero p.desc{margin:22px 0 40px;max-width:560px;color:var(--mute);font-size:16px}
.hero .acts{display:flex;gap:16px}
.hero-meta{position:absolute;z-index:2;left:0;right:0;bottom:56px}
.hero-meta .wrap{flex-direction:row;justify-content:space-between;align-items:flex-end;padding:0;height:auto}
.hero-stats{display:flex;gap:56px}
.hero-stats div{padding-left:18px;border-left:2px solid var(--red)}
.hero-stats b{display:block;font:800 34px/1 Arial,sans-serif}
.hero-stats span{display:block;margin-top:8px;font-size:13px;color:var(--mute)}
.dots{display:flex;gap:10px}
.dots button{width:34px;height:4px;border:0;background:rgba(255,255,255,.3);cursor:pointer;transition:background .3s,width .3s}
.dots button.on{width:56px;background:var(--red)}

/* 内页 Banner */
.pbn{position:relative;height:460px;background:center/cover no-repeat;display:flex;align-items:flex-end}
.pbn::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,21,24,.92),rgba(20,21,24,.45)),linear-gradient(transparent 55%,var(--bg))}
.pbn .wrap{position:relative;padding-bottom:70px}
.pbn .en{font:800 64px/1 Arial,sans-serif;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.35);letter-spacing:2px;text-transform:uppercase}
.pbn h1{margin-top:-26px;font-size:42px;font-weight:800}
.crumb{display:flex;gap:10px;margin-top:14px;font-size:14px;color:var(--mute)}
.crumb a:hover{color:#fff}
.crumb i{font-style:normal;opacity:.5}

/* 通用区块 */
.sec{position:relative;padding:110px 0}
.sec.alt{background:var(--bg2)}
.sec.light{background:#f4f5f7;color:#1c1d21}
.sec-hd{position:relative;margin-bottom:56px}
.sec-hd.center{text-align:center}
.sec-hd .bg-en{position:absolute;left:-4px;top:-46px;font:900 96px/1 Arial,sans-serif;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.08);white-space:nowrap;text-transform:uppercase;pointer-events:none}
.sec-hd.center .bg-en{left:50%;transform:translateX(-50%)}
.light .sec-hd .bg-en{-webkit-text-stroke-color:rgba(0,0,0,.07)}
.tag{display:inline-flex;align-items:center;gap:10px;font:700 13px/1 Arial,sans-serif;letter-spacing:2.5px;color:var(--red);text-transform:uppercase}
.tag::before{content:"";width:28px;height:2px;background:var(--red)}
.sec-hd.center .tag::after{content:"";width:28px;height:2px;background:var(--red)}
.sec-hd h2{position:relative;margin-top:16px;font-size:38px;line-height:1.3;font-weight:800}
.sec-hd .sub{margin-top:12px;max-width:720px;color:var(--mute);font-size:16px}
.sec-hd.center .sub{margin-left:auto;margin-right:auto}
.light .sec-hd .sub,.light .mute{color:#62656d}
.sec-hd.split{display:flex;justify-content:space-between;align-items:flex-end;gap:40px}
/* 图文分栏 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.split.rev .media{order:2}
.media{position:relative}
.media img{width:100%;height:100%;object-fit:cover}
.media::before{content:"";position:absolute;left:-18px;top:-18px;width:120px;height:120px;border-left:3px solid var(--red);border-top:3px solid var(--red);pointer-events:none}
.media .badge{position:absolute;right:-24px;bottom:-24px;padding:26px 30px;background:var(--red);min-width:190px}
.media .badge b{display:block;font:800 44px/1 Arial,sans-serif}
.media .badge span{display:block;margin-top:8px;font-size:13px;line-height:1.5}
.txt h3{font-size:22px;margin-bottom:12px}
.txt p{color:var(--mute);margin-bottom:14px}
.txt p.en{font-family:Arial,sans-serif;font-size:14px}
.light .txt p{color:#55585f}
.ticks{margin:22px 0 34px}
.ticks li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line)}
.light .ticks li{border-color:rgba(0,0,0,.1)}
.ticks .ico{color:var(--red);margin-top:4px}
.ticks em{display:block;font-style:normal;font-size:13px;color:var(--mute);font-family:Arial,sans-serif}

/* 数字条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}
.stats div{padding:38px 32px;border-right:1px solid var(--line)}
.stats div:last-child{border-right:0}
.stats b{display:block;font:800 46px/1 Arial,sans-serif}
.stats b small{font-size:20px;color:var(--red);margin-left:4px}
.stats span{display:block;margin-top:12px;font-size:14px;color:var(--mute)}

/* 卡片网格 */
.grid{display:grid;gap:28px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{position:relative;background:var(--bg3);overflow:hidden;transition:transform .35s,box-shadow .35s}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(0,0,0,.35)}
.card .pic{position:relative;aspect-ratio:16/9;overflow:hidden}
.card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.card:hover .pic img{transform:scale(1.07)}
.card .bd{padding:26px 28px 30px}
.card .no{font:800 14px/1 Arial,sans-serif;color:var(--red);letter-spacing:1px}
.card h3{margin:10px 0 4px;font-size:20px;line-height:1.4}
.card .en{font:600 13px/1.5 Arial,sans-serif;color:#c9cbd1;letter-spacing:.3px;text-transform:uppercase}
.card p{margin-top:12px;font-size:14px;color:var(--mute)}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14px;font-weight:600;color:var(--red)}
.card .more .ico{width:16px;height:16px;transition:transform .25s}
.card:hover .more .ico{transform:translateX(4px)}
.card::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--red);transition:width .4s}
.card:hover::after{width:100%}
/* 时间线 */
.tl{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.tl::before{content:"";position:absolute;left:0;right:0;top:27px;height:2px;background:linear-gradient(90deg,var(--red),rgba(229,43,43,.15))}
.tl .it{position:relative;padding:72px 34px 0 0}
.tl .it::before{content:"";position:absolute;left:0;top:18px;width:20px;height:20px;border-radius:50%;background:var(--bg);border:4px solid var(--red)}
.tl .yr{font:900 48px/1 Arial,sans-serif;color:transparent;-webkit-text-stroke:1.2px var(--red)}
.tl h3{margin:14px 0 4px;font-size:20px}
.tl .en{font:600 13px/1.5 Arial,sans-serif;color:#c9cbd1;text-transform:uppercase;letter-spacing:.3px}
.tl p{margin-top:10px;font-size:14px;color:var(--mute)}
.light .tl .it::before{background:#f4f5f7}
.light .tl .en{color:#7a7d85}.light .tl p{color:#55585f}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);counter-reset:s}
.step{position:relative;padding:40px 30px;border:1px solid var(--line);margin-left:-1px;transition:background .3s}
.step:hover{background:var(--red);border-color:var(--red)}
.step .n{font:900 52px/1 Arial,sans-serif;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.4)}
.step:hover .n{-webkit-text-stroke-color:#fff}
.step .ico{width:36px;height:36px;color:var(--red);margin:22px 0 18px}
.step:hover .ico{color:#fff}
.step h3{font-size:19px}
.step .en{font:600 12px/1.5 Arial,sans-serif;color:#c9cbd1;letter-spacing:1px;text-transform:uppercase}
.step p{margin-top:12px;font-size:14px;color:var(--mute)}
.step:hover p,.step:hover .en{color:#fff}
.step:not(:last-child)::after{content:"";position:absolute;right:-9px;top:50%;z-index:2;width:16px;height:16px;background:var(--red);transform:translateY(-50%) rotate(45deg)}
.chips{display:flex;flex-wrap:wrap;gap:12px}
.chips span{padding:9px 20px;border:1px solid var(--line);font:600 14px/1.4 Arial,sans-serif;background:rgba(255,255,255,.03)}
.chips span b{color:var(--red);margin-right:6px}
.light .chips span{border-color:rgba(0,0,0,.14);background:#fff}

/* 价值卡（图标型） */
.vals{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.val{position:relative;padding:40px 30px 36px;background:var(--bg3);overflow:hidden;transition:transform .35s}
.val:hover{transform:translateY(-6px)}
.val .no{position:absolute;right:20px;top:14px;font:900 64px/1 Arial,sans-serif;color:rgba(255,255,255,.05)}
.val .ico{width:44px;height:44px;color:var(--red)}
.val h3{margin:24px 0 4px;font-size:19px}
.val .en{font:600 12px/1.5 Arial,sans-serif;color:#c9cbd1;letter-spacing:1px;text-transform:uppercase}
.val p{margin-top:12px;font-size:14px;color:var(--mute)}
.val::before{content:"";position:absolute;left:0;top:0;width:3px;height:0;background:var(--red);transition:height .4s}
.val:hover::before{height:100%}
.light .val{background:#fff;box-shadow:0 6px 24px rgba(0,0,0,.06)}
.light .val .no{color:rgba(0,0,0,.05)}
.light .val .en{color:#7a7d85}.light .val p{color:#55585f}
/* 图库 / 案例 */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.gal figure{position:relative;overflow:hidden;aspect-ratio:817/426;background:var(--bg3)}
.gal figure.wide{grid-column:span 2;aspect-ratio:auto}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.gal figure:hover img{transform:scale(1.07)}
.gal figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 22px 18px;background:linear-gradient(transparent,rgba(15,16,18,.9))}
.gal figcaption b{display:block;font:800 16px/1.3 Arial,sans-serif;letter-spacing:1.5px;text-transform:uppercase}
.gal figcaption span{font-size:13px;color:#c9cbd1}
.gal figcaption b::before{content:"";display:inline-block;width:18px;height:2px;margin:0 10px 4px 0;background:var(--red);vertical-align:middle}
.note{display:flex;gap:14px;align-items:flex-start;margin-top:36px;padding:18px 22px;border-left:3px solid var(--red);background:rgba(255,255,255,.04);font-size:13px;line-height:1.7;color:var(--mute)}
.note .ico{color:var(--red);margin-top:2px}
.note p+p{margin-top:4px}
.light .note{background:#fff;color:#62656d}

/* 资质证书 */
.certs{display:grid;grid-template-columns:repeat(7,1fr);gap:18px}
.cert{text-align:center}
.cert .pic{padding:10px;background:#fff;box-shadow:0 8px 26px rgba(0,0,0,.12);transition:transform .35s}
.cert:hover .pic{transform:translateY(-6px)}
.cert img{width:100%;aspect-ratio:265/375;object-fit:cover}
.cert b{display:block;margin-top:16px;font:800 14px/1.35 Arial,sans-serif}
.cert span{display:block;margin-top:4px;font-size:12px;line-height:1.5;color:var(--mute)}
.light .cert span{color:#62656d}
.cert-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.cert-list li{display:flex;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
.cert-list .ico{width:30px;height:30px;color:var(--red)}
.cert-list b{display:block;font:700 16px/1.4 Arial,sans-serif}
.cert-list span{font-size:13px;color:var(--mute)}

/* 团队 */
.team-pic{position:relative}
.team-pic img{width:100%}
.team-pic .cap{position:absolute;left:32px;bottom:32px;padding:20px 26px;background:rgba(20,21,24,.86);border-left:3px solid var(--red)}
.team-pic .cap b{display:block;font:800 30px/1 Arial,sans-serif}
.team-pic .cap span{font-size:13px;color:#c9cbd1}

/* CTA */
.cta{position:relative;padding:90px 0;background:var(--red) center/cover no-repeat;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(199,31,31,.96),rgba(229,43,43,.82))}
.cta::after{content:"LZH WHEELS";position:absolute;right:-20px;bottom:-40px;font:900 180px/1 Arial,sans-serif;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.18);pointer-events:none}
.cta .wrap{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta h2{font-size:34px;line-height:1.35}
.cta p{margin-top:8px;font:600 15px/1.6 Arial,sans-serif;opacity:.9}
.cta .acts{display:flex;gap:14px;flex:none}
.cta .btn.ghost{border-color:#fff}
.cta .btn.ghost:hover{color:var(--red)}
/* 页脚 */
.ft{background:#141518;padding-top:80px;font-size:14px;color:var(--mute)}
.ft-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px;padding-bottom:60px}
.ft .logo{margin-bottom:22px;color:#fff}
.ft-about p{max-width:340px;line-height:1.8}
.ft h4{position:relative;margin-bottom:24px;padding-bottom:14px;font-size:16px;color:#fff}
.ft h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--red)}
.ft-links li{margin-bottom:10px}
.ft-links a{transition:color .25s,padding .25s}
.ft-links a:hover{color:#fff;padding-left:6px}
.ft-ct li{display:flex;gap:12px;margin-bottom:14px;line-height:1.6}
.ft-ct .ico{color:var(--red);margin-top:2px}
.ft-ct a:hover{color:#fff}
.ft-bt{border-top:1px solid var(--line);padding:22px 0;font-size:13px}
.ft-bt .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* 悬浮联系栏 */
.fbar{position:fixed;right:20px;bottom:90px;z-index:40;display:flex;flex-direction:column;gap:8px}
.fbar a,.fbar button{position:relative;display:grid;place-items:center;width:50px;height:50px;background:var(--bg3);border:0;color:#fff;cursor:pointer;box-shadow:0 6px 18px rgba(0,0,0,.3);transition:background .25s}
.fbar a:hover,.fbar button:hover{background:var(--red)}
.fbar .wa{background:#25d366}
.fbar .ico{width:22px;height:22px}
.fbar span{position:absolute;right:60px;top:50%;transform:translate(8px,-50%);padding:6px 12px;background:var(--bg3);font-size:13px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s}
.fbar a:hover span,.fbar button:hover span{opacity:1;transform:translate(0,-50%)}
.fbar .top{opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s,background .25s}
.fbar .top.show{opacity:1;visibility:visible}

/* 联系 */
.ct-wrap{display:grid;grid-template-columns:1fr 1.25fr;gap:56px;align-items:start}
.ct-cards{display:grid;gap:18px}
.ct-card{display:flex;gap:20px;align-items:center;padding:26px 28px;background:var(--bg3);border-left:3px solid transparent;transition:border-color .3s,background .3s}
.ct-card:hover{border-color:var(--red);background:#33363d}
.ct-card .ico{width:44px;height:44px;padding:10px;background:var(--red);color:#fff}
.ct-card b{display:block;font-size:13px;color:var(--mute);font-weight:400}
.ct-card span{font:700 18px/1.4 Arial,sans-serif}
.form{padding:44px;background:var(--bg3)}
.form h3{font-size:24px}
.form .sub{margin:6px 0 28px;color:var(--mute);font-size:14px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:block;margin-bottom:16px;font-size:13px;color:#c9cbd1}
.form input,.form textarea,.form select{display:block;width:100%;margin-top:6px;padding:13px 16px;background:var(--bg);border:1px solid var(--line);outline:0;transition:border-color .25s}
.form select{appearance:none}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--red)}
.form textarea{height:130px;resize:vertical}
.form .tip{margin-top:14px;font-size:12px;color:var(--mute)}
.form .btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.form .btns .btn{flex:1 1 200px;padding:0 20px}
.ct-card a{transition:color .25s}
.ct-card a:hover{color:var(--red)}
/* social */
.ft-social{display:flex;gap:10px;margin-top:22px}
.ft-social a{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);color:#fff;transition:background .25s,border-color .25s}
.ft-social a:hover{background:var(--red);border-color:var(--red)}
/* case links */
.gal-lk{position:absolute;inset:0;z-index:2}
.gal .go{display:inline-flex;align-items:center;gap:6px;margin-top:8px;font:700 12px/1 Arial,sans-serif;font-style:normal;letter-spacing:1px;text-transform:uppercase;color:var(--red);opacity:.85;transition:opacity .25s,gap .25s}
.gal .go .ico{width:14px;height:14px}
.gal figure:hover .go{opacity:1;gap:10px}
.gal figcaption em.go{display:flex;width:max-content}
/* case detail */
.media.case img{aspect-ratio:817/426}
.media.case .badge b{font-size:22px;letter-spacing:1.5px}
.spec{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:30px}
.spec div{padding:24px 26px;background:var(--bg2)}
.spec span{display:block;font-size:13px;color:var(--mute);font-family:Arial,sans-serif;letter-spacing:.5px}
.spec b{display:block;margin-top:6px;font-size:17px}
.pager{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center;margin-top:40px}
.pager a{display:flex;align-items:center;gap:14px;padding:20px 24px;border:1px solid var(--line);transition:border-color .25s,background .25s}
.pager a:hover{border-color:var(--red);background:var(--bg3)}
.pager em{display:block;font-style:normal;font-size:12px;color:var(--mute);letter-spacing:1px;text-transform:uppercase}
.pager span{font:800 15px/1.4 Arial,sans-serif;letter-spacing:1px}
.pager .prev .ico{transform:rotate(180deg);color:var(--red)}
.pager .next{justify-content:flex-end;text-align:right}
.pager .next .ico{color:var(--red)}
.pager .all{padding:20px 30px;font-weight:700;background:var(--red);border-color:var(--red)}
.pager .all:hover{background:var(--red2);border-color:var(--red2)}
@media (max-width:900px){.spec{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){
  .spec{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr 1fr}
  .pager .all{grid-column:1/-1;order:3;text-align:center;justify-content:center}
  .pager a{padding:16px}
  .media.case .badge{right:0;bottom:-20px;min-width:0;padding:16px 18px}
}
/* 动效 */
.rv{opacity:0;transform:translateY(30px);transition:opacity .8s,transform .8s}
.rv.in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1280px){
  .nav a{padding:0 11px;font-size:14px}
  .nav a::after{left:11px;right:11px}
  .hd-tools{margin:0 18px}
  .certs{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:1100px){
  .hd .btn,.hd-tools{display:none}
  .burger{display:grid;margin-left:auto}
  .nav{position:fixed;left:0;right:0;top:80px;bottom:0;margin:0;flex-direction:column;padding:20px 24px;background:rgba(20,21,24,.98);transform:translateX(100%);transition:transform .35s;overflow-y:auto}
  .nav.open{transform:none}
  .hd.menu{height:80px;background:#141518}
  .nav a{line-height:56px;font-size:16px;border-bottom:1px solid var(--line)}
  .nav a::after{left:0;right:auto;width:30px;bottom:-1px}
  .split{gap:48px}
  .vals,.g4{grid-template-columns:repeat(2,1fr)}
  .ft-top{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .sec{padding:80px 0}
  .hero h1{font-size:42px}
  .hero-stats{gap:28px}
  .hero-stats b{font-size:26px}
  .split,.ct-wrap{grid-template-columns:1fr}
  .split.rev .media{order:0}
  .media .badge{right:12px;bottom:12px}
  .media::before{left:-10px;top:-10px}
  .g3,.gal{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step{margin:-1px 0 0 -1px}
  .step::after{display:none}
  .tl{grid-template-columns:1fr;gap:40px}
  .tl::before{left:9px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .tl .it{padding:0 0 0 48px}
  .tl .it::before{top:6px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats div:nth-child(2){border-right:0}
  .stats div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .cta .wrap,.sec-hd.split{flex-direction:column;align-items:flex-start}
  .cta::after{font-size:110px}
  .pbn{height:380px}
  .pbn .en{font-size:46px}
  .pbn h1{font-size:34px;margin-top:-18px}
  .sec-hd h2{font-size:30px}
  .sec-hd .bg-en{font-size:64px;top:-30px}
}
@media (max-width:640px){
  body{font-size:14px}
  .hd,.hd.solid{height:68px}
  .hero .kicker{font-size:11px;letter-spacing:.4px;gap:8px;white-space:nowrap}
  .hero .kicker::before{width:22px;flex:none}
  .nav{top:68px}
  .hd.menu{height:68px}
  .logo span{font-size:13px}
  .logo small{display:none}
  .logo b{width:42px;height:42px;font-size:14px}
  .hero{min-height:640px}
  .hero h1{font-size:32px}
  .hero .en{font-size:16px}
  .hero p.desc{margin:16px 0 28px;font-size:14px}
  .hero .acts{flex-wrap:wrap}
  .hero-meta{bottom:30px}
  .hero-meta .wrap{flex-direction:column;align-items:flex-start;gap:20px}
  .hero-stats{gap:18px}
  .hero-stats div{padding-left:10px}
  .hero-stats b{font-size:22px}
  .hero-stats span{font-size:12px}
  .g2,.g3,.g4,.vals,.gal,.steps,.cert-list,.ft-top,.form .row{grid-template-columns:1fr}
  .gal figure.wide{grid-column:auto;aspect-ratio:817/426}
  .certs{grid-template-columns:repeat(2,1fr)}
  .stats b{font-size:34px}
  .stats div{padding:26px 20px}
  .form{padding:28px 22px}
  .team-pic .cap{position:static;border-left:3px solid var(--red)}
  .pbn{height:320px}
  .pbn .en{font-size:32px}
  .pbn h1{font-size:28px;margin-top:-12px}
  .sec-hd h2{font-size:26px}
  .sec-hd .bg-en{font-size:46px;top:-22px}
  .cta h2{font-size:26px}
  .cta .acts{flex-wrap:wrap}
  .fbar{right:12px;bottom:70px}
  .fbar a,.fbar button{width:44px;height:44px}
}
/* header without tool icons */
.hd .btn{margin-left:28px}
/* floating bar: social group */
.fbar .sc{width:44px;height:44px;align-self:center;background:rgba(42,44,50,.92);border:1px solid var(--line);box-shadow:none}
.fbar .sc .ico{width:19px;height:19px}
.fbar .sc span{right:54px}
.fbar .sc:nth-of-type(4){margin-bottom:8px}
/* contact cards layout */
.ct-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ct-grid .ct-card{padding:22px 22px;gap:16px}
.ct-grid .ct-card span{font-size:16px}
.ct-grid .ct-card.wide{grid-column:1/-1;padding:26px 28px}
.ct-grid .ct-card.wide span{font-size:22px}
.ct-social{margin-top:14px;padding:26px 28px;background:var(--bg3)}
.ct-social h4{font-size:18px}
.ct-social p{margin:4px 0 18px;font-size:13px;color:var(--mute)}
.ct-soc{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.ct-soc a{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 6px;border:1px solid var(--line);font-size:13px;color:#e8e9ec;transition:background .25s,border-color .25s}
.ct-soc a:hover{background:var(--red);border-color:var(--red);color:#fff}
.ct-soc .ico{width:22px;height:22px}
@media (max-width:640px){
  .ct-grid{grid-template-columns:1fr}
  .ct-grid .ct-card.wide span{font-size:19px}
  .ct-soc{grid-template-columns:repeat(2,1fr)}
  .fbar .sc{display:none}
}