:root{--ink:#13202d;--mut:#5b6b7a;--line:#e2e8f0;--acc:#0c447c;--acc2:#f39c1f;--soft:#f4f7fb;--sh:0 10px 30px rgba(10,40,80,.10)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter','Segoe UI',Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
::selection{background:var(--acc2);color:#231600}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;background:rgba(255,255,255,.93);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:14px;flex-wrap:nowrap}
.logo{font-family:'Barlow Condensed','Inter',sans-serif;font-size:23px;font-weight:700;color:var(--acc);white-space:nowrap;letter-spacing:.02em}
.logo span{color:var(--acc2)}
.nav nav{display:flex;gap:18px;font-size:14px;font-weight:500;flex-wrap:nowrap;white-space:nowrap}
.nav nav a{position:relative;padding:4px 0}
.nav nav a::after{content:'';position:absolute;left:0;bottom:-1px;width:0;height:2px;background:var(--acc2);transition:width .2s}
.nav nav a:hover{color:var(--acc)}
.nav nav a:hover::after{width:100%}
.btn{display:inline-block;background:linear-gradient(135deg,#0e5296,#0c447c);color:#fff;padding:12px 22px;border-radius:8px;font-size:15px;font-weight:600;border:none;cursor:pointer;box-shadow:0 3px 10px rgba(12,68,124,.22);transition:transform .15s,box-shadow .15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(12,68,124,.30)}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(12,68,124,.30)}
.btn.o{background:linear-gradient(135deg,#f7a91f,#ef8c0e);color:#231600;box-shadow:0 3px 10px rgba(243,156,31,.28)}
.btn.o:hover{box-shadow:0 6px 16px rgba(243,156,31,.38)}
.hero{position:relative;background:linear-gradient(115deg,rgba(7,28,52,.94) 0%,rgba(12,52,94,.90) 55%,rgba(9,38,68,.88) 100%),var(--im,'') center/cover;color:#fff;padding:104px 0 60px;text-align:center}
.hero::after{content:'';position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--acc2),rgba(243,156,31,0) 70%)}
.hero h1{font-family:'Barlow Condensed','Inter',sans-serif;font-size:52px;font-weight:700;max-width:840px;margin:0 auto 16px;line-height:1.12;letter-spacing:.01em}
.hero h1 span{color:var(--acc2)}
.kick{display:inline-block;font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;color:#ffd9a0;border:1px solid rgba(255,217,160,.4);border-radius:30px;padding:6px 18px;margin-bottom:22px;background:rgba(255,255,255,.06)}
.hero p{font-size:17.5px;color:#c9d8ea;margin-bottom:30px;max-width:780px;margin-left:auto;margin-right:auto}
/* 自定义主图：图片自带左暗右亮渐变，CSS 只加轻蒙版；文字左对齐，产品图右移让位 */
.hero.hcustom{background:linear-gradient(rgba(6,22,40,.22),rgba(6,22,40,.22)),var(--im,'') center/cover;text-align:left;padding:96px 0 52px}
.hero.hcustom h1,.hero.hcustom p{margin-left:0}
.hero.hcustom .stats{justify-content:flex-start;margin-top:40px}
.hero.hcustom .stats>div:first-child{padding-left:0}
.hero.hcustom .kick{margin-left:0}
.stats{display:flex;justify-content:center;margin-top:48px;flex-wrap:wrap}
.stats>div{padding:0 36px;border-right:1px solid rgba(255,255,255,.16)}
.stats>div:last-child{border-right:none}
.stats strong{display:block;font-family:'Barlow Condensed','Inter',sans-serif;font-size:36px;font-weight:700;color:var(--acc2);line-height:1.15}
.stats span{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#9fb4ca}
section{padding:52px 0}
.sec-t{text-align:center;margin-bottom:40px}
.sec-t h2{font-family:'Barlow Condensed','Inter',sans-serif;font-size:34px;font-weight:700;letter-spacing:.01em}
.sec-t h2::after{content:'';display:block;width:52px;height:3px;background:var(--acc2);margin:12px auto 0;border-radius:2px}
.sec-t p{color:var(--mut);margin-top:10px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:22px}
.card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s,border-color .2s}
.card:hover{box-shadow:var(--sh);transform:translateY(-4px);border-color:rgba(12,68,124,.18)}
.card .ph{height:190px;background:linear-gradient(180deg,#f8fafc,#edf2f8);display:flex;align-items:center;justify-content:center;padding:14px}
.card .ph img{max-height:100%;object-fit:contain;transition:transform .25s}
.card:hover .ph img{transform:scale(1.05)}
.nopic{color:#9db0c2;font-size:13px}
.card .bd{padding:14px 16px 18px;border-top:1px solid var(--line)}
.fno{font-weight:700;color:var(--acc);font-size:15.5px;letter-spacing:.02em}
.pn{font-size:12.5px;color:var(--mut);margin:2px 0 8px;word-break:break-all;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag{display:inline-block;font-size:12px;background:#eef3f9;color:var(--acc);border-radius:20px;padding:3px 10px;margin:0 4px 4px 0}
.tag.vid{background:#e7f6ee;color:#0b7a44}
.app{font-size:13px;color:var(--mut);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.more{margin-top:12px;font-size:14px;color:var(--acc2);font-weight:600;transition:transform .2s}
.card:hover .more{transform:translateX(3px)}
.cat{background:var(--soft);padding:40px 0}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 18px 22px;text-align:center;transition:box-shadow .2s,transform .2s}
.cat-card:hover{box-shadow:var(--sh);transform:translateY(-3px)}
.cat-card .cph{height:130px;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#f8fafc,#edf2f8);border-radius:10px;padding:10px;margin-bottom:14px}
.cat-card .cph img{max-height:100%;object-fit:contain;transition:transform .25s}
.cat-card:hover .cph img{transform:scale(1.05)}
.cat-card .ic{font-size:36px;margin-bottom:12px}
.cat-card h3{font-family:'Barlow Condensed','Inter',sans-serif;font-size:20px;margin-bottom:6px}
.cat-card p{font-size:13px;color:var(--mut)}
.tico{width:34px;height:34px;vertical-align:-9px;margin-right:9px}
.gal{border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff}
.gal .main img{max-height:400px;margin:0 auto;object-fit:contain}
.gal-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.gal-thumbs img{height:64px;border:1px solid var(--line);border-radius:8px;padding:4px;cursor:pointer;background:#fff;transition:border-color .15s}
.gal-thumbs img:hover{border-color:var(--acc)}
.detail{display:grid;grid-template-columns:1fr 1.25fr;gap:40px;align-items:start;padding-top:26px}
.detail h1{font-family:'Barlow Condensed','Inter',sans-serif;font-size:32px;margin-bottom:4px;letter-spacing:.01em}
.detail .sub{color:var(--mut);margin-bottom:16px}
table.spec{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0 22px;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
table.spec td{border-bottom:1px solid var(--line);padding:10px 14px;vertical-align:top}
table.spec tr:last-child td{border-bottom:none}
table.spec td:first-child{background:var(--soft);font-weight:600;width:180px}
.page-head{background:linear-gradient(115deg,#0a3a6b,#0c447c 60%,#134a85);color:#fff;padding:52px 0;text-align:center}
.page-head h1{font-family:'Barlow Condensed','Inter',sans-serif;font-size:36px;letter-spacing:.01em}.page-head p{color:#cfdceb;margin-top:8px}
.toolbar{display:flex;gap:10px;justify-content:center;margin:24px 0;flex-wrap:wrap}
.toolbar input{width:min(440px,88vw);padding:11px 16px;border:1px solid var(--line);border-radius:6px;font-size:15px}
.chip{padding:9px 18px;border:1px solid var(--line);border-radius:20px;background:#fff;cursor:pointer;font-size:14px}
.chip.on{background:var(--acc);color:#fff;border-color:var(--acc)}
form.inq{max-width:620px;margin:0 auto;display:grid;gap:14px}
form.inq input,form.inq textarea{padding:12px 14px;border:1px solid var(--line);border-radius:6px;font-size:15px;font-family:inherit;width:100%}
form.inq label{font-size:13px;font-weight:600;color:var(--mut)}
.contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;margin:34px 0}
.cc{border:1px solid var(--line);border-radius:10px;padding:24px;text-align:center}
.cc h3{color:var(--acc);margin-bottom:8px;font-size:16px}
footer{background:#0b1727;color:#93a7bb;padding:52px 0 44px;font-size:14px;border-top:3px solid var(--acc2)}
footer .wrap{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
footer h4{font-family:'Barlow Condensed','Inter',sans-serif;letter-spacing:.06em;font-size:17px}
footer a{color:#c6d4e2;transition:color .15s}
footer a:hover{color:var(--acc2)}
.wa{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(0,0,0,.25);z-index:60}
.wa svg{width:30px;height:30px;fill:#fff}
.wx{position:fixed;right:20px;bottom:86px;width:56px;height:56px;border-radius:50%;background:#07c160;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(0,0,0,.25);z-index:60;cursor:pointer}
.wx svg{width:30px;height:30px;fill:#fff}
.wxpanel{display:none;position:fixed;right:86px;bottom:86px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px;box-shadow:0 6px 20px rgba(0,0,0,.16);z-index:61;font-size:14px;min-width:180px}
.wxpanel a{color:var(--acc);font-weight:600}
.crumbs{font-size:13px;color:var(--mut);padding:16px 0}
.crumbs a{color:var(--acc)}
.nsearch{position:relative;flex:0 1 220px;min-width:110px;max-width:250px}
.nsearch input{width:100%;padding:9px 14px 9px 34px;border:1px solid var(--line);border-radius:20px;font-size:14px;background:var(--soft);color:var(--ink)}
.nsearch input:focus{outline:2px solid var(--acc);background:#fff}
.nsearch .si{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:14px;color:var(--mut);pointer-events:none}
.sbox{max-width:660px;margin:0 auto;display:flex;gap:10px}
.sbox input{flex:1;padding:14px 18px;border:1px solid var(--line);border-radius:8px;font-size:17px}
.sbox input:focus{outline:2px solid var(--acc)}
.squick{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;justify-content:center;font-size:13px;align-items:center}
.squick span{color:var(--mut)}
.squick button{background:none;border:1px solid var(--line);border-radius:20px;padding:5px 13px;color:var(--mut);cursor:pointer;font:inherit;font-size:13px}
.squick button:hover{border-color:var(--acc);color:var(--acc)}
.sitem{display:flex;gap:16px;border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:12px;background:#fff;align-items:center;transition:box-shadow .15s,transform .15s}
.sitem:hover{box-shadow:0 4px 16px rgba(12,68,124,.1);transform:translateY(-1px)}
.sitem .ph{width:106px;height:86px;flex:none;display:flex;align-items:center;justify-content:center;background:var(--soft);border-radius:8px;padding:6px}
.sitem .ph img{max-height:100%;object-fit:contain}
.sitem .ph .nopic{font-size:11px;text-align:center}
.sitem .bd{flex:1;min-width:0}
.sitem .bd .t{color:var(--acc);font-weight:700;font-size:16px}
.sitem .bd .pn{font-size:14px;margin:3px 0 4px;word-break:break-all}
.sitem .bd .mt{font-size:13px;color:var(--mut);margin-top:5px}
.sitem .go{color:var(--acc2);font-weight:600;font-size:14px;white-space:nowrap}
mark{background:#fff2c4;color:inherit;border-radius:3px;padding:0 2px}
.hotchip{display:inline-block;background:#e53935;color:#fff;font-size:11px;font-weight:700;padding:2px 9px;border-radius:20px;letter-spacing:.4px;margin-bottom:6px}
.hotchip.top{background:linear-gradient(135deg,#f5a623,#e8630a)}
.bestbar{text-align:center;margin-top:30px}
.social{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.social a{width:38px;height:38px;border-radius:50%;background:#1b2c3f;display:flex;align-items:center;justify-content:center;transition:background .15s,transform .15s}
.social a:hover{background:var(--acc2);transform:translateY(-2px)}
.social svg{width:19px;height:19px;fill:#fff}
.scards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin:22px 0 6px}
.scard{border:1px solid var(--line);border-radius:10px;padding:20px;text-align:center;transition:box-shadow .15s,transform .15s}
.scard:hover{box-shadow:0 6px 18px rgba(12,68,124,.12);transform:translateY(-2px)}
.scard .ic{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}
.scard .ic svg{width:25px;height:25px;fill:#fff;display:block}
.scard h3{font-size:15px;margin-bottom:4px}
.scard p{font-size:13px;color:var(--mut)}
/* ---- 技术资料 / 选型指南 ---- */
.gwrap{max-width:850px}
.gbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:22px 0 6px;font-size:13.5px;color:var(--mut)}
.vtag{display:inline-block;background:#111;color:#fff;font-size:11.5px;border-radius:20px;padding:2px 9px;margin-left:6px}
.ggrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(292px,1fr));gap:24px}
.gcard{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:box-shadow .15s,transform .15s}
.gcard:hover{box-shadow:0 8px 24px rgba(12,68,124,.13);transform:translateY(-2px)}
.gthumb{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--soft);display:block}
.gph{display:flex;align-items:center;justify-content:center;font-size:34px;color:#a8bccf}
.gcard .gbd{padding:15px 17px 18px;display:flex;flex-direction:column;flex:1}
.gcard h3{font-size:16.5px;line-height:1.4;margin:9px 0 7px}
.gcard p{font-size:13.5px;color:var(--mut);flex:1}
.gmore{margin-top:12px;font-size:13.5px;color:var(--acc2);font-weight:600}
.gbody{font-size:16.5px;line-height:1.78;color:#22323f}
.gbody h2{font-size:23px;margin:34px 0 10px;color:var(--ink)}
.gbody h3{font-size:19px;margin:26px 0 8px;color:var(--ink)}
.gbody p{margin:15px 0}
.gbody ul,.gbody ol{margin:15px 0 15px 24px}
.gbody li{margin:7px 0}
.gbody a{color:var(--acc);text-decoration:underline}
.gbody strong{color:#0d2233}
.gbody code{background:var(--soft);border-radius:4px;padding:1px 6px;font-size:14.5px}
.gbody figure{margin:22px 0}
.gbody figure img{border:1px solid var(--line);border-radius:12px;width:100%}
.gbody figcaption{font-size:13.5px;color:var(--mut);text-align:center;margin-top:8px}
.gbody blockquote{border-left:4px solid var(--acc2);background:#fffaf1;padding:13px 18px;border-radius:0 10px 10px 0;margin:20px 0;font-size:15.5px;color:#4c3a17}
.gcover{border-radius:12px;border:1px solid var(--line);margin:20px 0 6px;width:100%}
.vbox{margin:24px 0}
.vbox iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:12px;background:#000;display:block}
.vbox video{width:100%;border:0;border-radius:12px;background:#000;display:block}
.vbox.vert{max-width:330px;margin:24px auto}
.vbox.vert iframe{aspect-ratio:9/16}
.vcap{text-align:center;font-size:13.5px;color:var(--mut);margin-top:9px}
.vcap a{color:var(--acc);font-weight:600;text-decoration:none}
/* 产品详情页的演示视频区：横版限宽居中，竖版保持 330 宽 */
.vsec{padding-top:16px}
.vsec .vbox{max-width:820px;margin:6px auto 0}
.vsec .vbox.vert{max-width:330px}
.gcta{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:24px;text-align:center;margin:40px 0 10px}
.gcta h3{font-size:19px;margin-bottom:8px}
.gcta p{color:var(--mut);font-size:14.5px;margin-bottom:16px}
@media(max-width:1020px){.nsearch{display:none}.nav nav{gap:14px}}
@media(max-width:820px){.detail{grid-template-columns:1fr}.nav nav{display:none}.hero{padding:72px 0 48px}.hero h1{font-size:34px}.hero h1 br{display:none}.kick{font-size:11px;letter-spacing:.16em}.stats>div{padding:0 18px}.stats strong{font-size:28px}.sec-t h2{font-size:27px}.page-head h1{font-size:29px}.detail h1{font-size:26px}.nav{flex-wrap:wrap;height:auto;padding:10px 0;gap:10px}.sitem .ph{width:82px;height:68px}.sitem .go{display:none}}