:root{--ink:#101828;--muted:#667085;--blue:#1687ff;--deep:#06101f;--line:#e8edf3;--surface:#f6f8fb}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:#fff}a{text-decoration:none;color:inherit}.site-header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,28px);position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);z-index:20;border-bottom:1px solid rgba(16,24,40,.06)}.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:700}.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#0f6fff,#40b9ff);color:#fff;font-size:13px;letter-spacing:1px}.nav{display:flex;gap:38px;height:100%;align-items:center}.nav a{font-size:14px;color:#596273;position:relative;height:100%;display:flex;align-items:center}.nav a:hover,.nav a.active{color:var(--blue)}.nav a.active:after{content:"";position:absolute;bottom:16px;left:50%;width:22px;height:2px;background:var(--blue);transform:translateX(-50%)}.menu-toggle{display:none;border:0;background:none;font-size:25px}.hero{height:calc(100vh - 76px);min-height:620px;position:relative;overflow:hidden;background:radial-gradient(circle at 72% 42%,#12305a 0,#081a33 28%,#060b16 62%,#03060d 100%);color:#fff;display:flex;align-items:center;padding:0 12vw}.hero:before{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:70px 70px;mask-image:linear-gradient(to right,transparent,#000)}.hero-glow{position:absolute;width:640px;height:640px;border-radius:50%;right:8%;top:5%;background:#1687ff;filter:blur(180px);opacity:.13}.hero-copy{position:relative;z-index:2;max-width:650px}.eyebrow,.section-heading p,.contact-copy>p{font-size:12px;letter-spacing:4px;color:#63b8ff;font-weight:700}.hero h1{font-size:clamp(56px,6vw,92px);line-height:1.12;margin:22px 0 26px;letter-spacing:-4px}.hero h1 span{background:linear-gradient(90deg,#fff,#55c2ff);background-clip:text;color:transparent}.hero-copy i{display:block;width:72px;height:3px;background:#fff;margin-bottom:28px}.hero-copy>p:not(.eyebrow){font-size:18px;line-height:1.9;color:#b4c2d6;max-width:570px}.hero-actions{display:flex;gap:14px;margin-top:40px}.button{display:inline-flex;padding:14px 28px;border-radius:4px;font-size:14px;transition:.25s}.button.primary{background:var(--blue);color:#fff}.button.ghost{border:1px solid #52637a;color:#d8e4f2}.button:hover{transform:translateY(-2px)}.hero-orbit{position:absolute;right:10vw;width:390px;height:390px;border:1px solid rgba(79,176,255,.22);border-radius:50%;display:grid;place-items:center;animation:float 6s ease-in-out infinite}.hero-orbit:before,.hero-orbit:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(79,176,255,.2)}.hero-orbit:before{inset:45px}.hero-orbit:after{inset:92px}.orbital-ring{position:absolute;inset:-1px;border-radius:50%;border-top:2px solid #31adff;transform:rotate(35deg);animation:spin 9s linear infinite}.core{width:128px;height:128px;border-radius:50%;display:grid;place-items:center;text-align:center;background:linear-gradient(145deg,#158bff,#082e63);box-shadow:0 0 70px rgba(22,135,255,.45);font-weight:700;font-size:22px;line-height:1.5}.scroll-note{position:absolute;left:5vw;bottom:30px;color:#6f8097;font-size:10px;letter-spacing:2px}.scroll-note span{color:#fff;margin-left:8px}.section{padding:110px max(7vw,32px)}.section-heading{max-width:700px;margin-bottom:58px}.section-heading h2{font-size:clamp(34px,4vw,52px);letter-spacing:-2px;margin:12px 0}.section-heading p{color:var(--blue)}.section-heading.center{text-align:center;margin:0 auto 52px}.section-heading.center span{color:var(--muted)}.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:9vw}.about-copy p{font-size:17px;line-height:2;color:#596273}.text-link{display:inline-block;margin-top:18px;color:var(--blue);font-weight:600}.stats{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.stats div{padding:32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.stats strong{display:block;font-size:42px;color:var(--blue)}.stats span{font-size:13px;color:var(--muted)}.products{background:var(--surface)}.product-tabs{display:flex;justify-content:center;gap:8px;margin-bottom:42px}.product-tabs button{border:1px solid #dce3ec;background:#fff;padding:10px 20px;border-radius:999px;color:#667085;cursor:pointer}.product-tabs button.active{background:var(--ink);color:#fff;border-color:var(--ink)}.product-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:26px}.product-card{min-height:350px;background:#fff;display:grid;grid-template-columns:46% 54%;overflow:hidden;box-shadow:0 12px 38px rgba(15,31,55,.06);transition:.3s}.product-card:hover{transform:translateY(-6px);box-shadow:0 20px 52px rgba(15,31,55,.12)}.product-visual{display:flex;align-items:flex-end;justify-content:center;overflow:hidden}.product-visual img{width:86%;max-height:90%;object-fit:contain;filter:drop-shadow(0 20px 18px rgba(0,0,0,.2));transition:.35s}.product-card:hover img{transform:translateY(-6px) scale(1.02)}.product-visual.blue{background:linear-gradient(145deg,#ddebff,#77aef2)}.product-visual.cyan{background:linear-gradient(145deg,#dff7f8,#6cd5dd)}.product-visual.violet{background:linear-gradient(145deg,#eee7ff,#9b83ef)}.product-visual.pink{background:linear-gradient(145deg,#ffe7ef,#ee86a8)}.product-visual.amber{background:linear-gradient(145deg,#fff1d5,#e9ad45)}.product-card>div:last-child{padding:48px 38px;display:flex;flex-direction:column;align-items:flex-start}.product-card small,.news small{font-size:10px;letter-spacing:2px;color:var(--blue);font-weight:700}.product-card h3{font-size:25px;margin:13px 0}.product-card p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}.product-card a{font-size:13px;margin-top:auto;padding-top:25px;font-weight:700}.product-card a b{color:var(--blue);margin-left:8px}.product-concept{background:var(--deep);color:#fff}.concept-mark{font-size:100px!important;display:grid!important;place-items:center!important;color:#1687ff;padding:0!important;background:radial-gradient(circle,#102f55,#07111f)}.product-card.hidden{display:none}.strength{background:linear-gradient(135deg,#07111f,#0b203c);color:#fff}.section-heading.light p{color:#61bdff}.capability-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #273a52;border-left:1px solid #273a52}.capability{padding:42px 30px;border-right:1px solid #273a52;border-bottom:1px solid #273a52;min-height:260px}.capability b{font-size:12px;color:#38a9ff}.capability h3{font-size:23px;margin:55px 0 18px}.capability p{color:#8fa0b5;font-size:14px;line-height:1.8}.news-list{border-top:1px solid var(--line)}.news-list article{display:grid;grid-template-columns:140px 1fr 40px;gap:25px;padding:32px 0;border-bottom:1px solid var(--line);align-items:center}.news-list time{font-size:14px;color:#98a2b3}.news-list h3{font-size:21px;margin:7px 0}.news-list p{margin:0;color:var(--muted)}.news-list article>span{font-size:24px;color:var(--blue)}.contact{padding:100px max(8vw,34px);background:var(--blue);color:#fff;display:grid;grid-template-columns:1.2fr 1fr;gap:8vw}.contact-copy>p{color:#d6ebff}.contact h2{font-size:clamp(38px,5vw,68px);line-height:1.25;letter-spacing:-3px}.button.white{background:#fff;color:var(--blue);margin-top:18px}.contact-meta{display:flex;flex-direction:column;justify-content:center}.contact-meta div{padding:22px 0;border-bottom:1px solid rgba(255,255,255,.25)}.contact-meta span{display:block;font-size:12px;opacity:.7;margin-bottom:8px}.contact-meta strong{font-size:16px}footer{padding:30px max(5vw,28px);display:flex;align-items:center;gap:30px;color:#7b8493;font-size:12px}.footer-brand{margin-right:auto;color:var(--ink)}footer .brand-mark{width:30px;height:30px;font-size:10px}.to-top{position:fixed;right:25px;bottom:25px;width:46px;height:46px;border:0;background:#0d1726;color:#fff;cursor:pointer;opacity:0;pointer-events:none;transition:.2s}.to-top.show{opacity:1;pointer-events:auto}.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}.reveal.visible{opacity:1;transform:none}@keyframes spin{to{transform:rotate(395deg)}}@keyframes float{50%{transform:translateY(-14px)}}
@media(max-width:900px){.nav{position:absolute;top:76px;left:0;right:0;height:auto;background:#fff;display:none;flex-direction:column;gap:0;align-items:stretch;padding:12px 28px;box-shadow:0 15px 30px rgba(0,0,0,.08)}.nav.open{display:flex}.nav a{height:auto;padding:14px 0}.nav a.active:after{display:none}.menu-toggle{display:block}.hero{padding:0 8vw}.hero-orbit{width:300px;height:300px;right:-120px;opacity:.4}.about-grid,.contact{grid-template-columns:1fr}.product-grid{grid-template-columns:1fr}.capability-grid{grid-template-columns:1fr 1fr}.contact-meta{margin-top:20px}}@media(max-width:600px){.hero h1{font-size:50px}.hero-copy>p:not(.eyebrow){font-size:15px}.section{padding:80px 24px}.product-tabs{overflow-x:auto;justify-content:flex-start}.product-tabs button{white-space:nowrap}.product-card{grid-template-columns:1fr;min-height:0}.product-visual{height:260px}.product-card>div:last-child{min-height:260px;padding:34px 28px}.capability-grid{grid-template-columns:1fr}.news-list article{grid-template-columns:1fr 30px}.news-list time{grid-column:1}.contact{padding:75px 25px}.contact h2{font-size:42px}footer{align-items:flex-start;flex-direction:column;gap:12px}.footer-brand{margin:0}}

/* 卓讯物联品牌与应用领域 */
.brand-logo{position:relative;width:44px;height:44px;flex:0 0 44px;overflow:hidden;border-radius:13px;background:#fff;box-shadow:0 4px 16px rgba(25,65,125,.16)}
.brand-logo img{position:absolute;width:190%;height:190%;max-width:none;left:50%;top:50%;transform:translate(-50%,-50%);object-fit:cover}
.brand-name{display:flex;flex-direction:column;line-height:1.15}
.brand-name strong{font-size:17px;color:var(--ink)}
.brand-name small{margin-top:4px;font-size:9px;letter-spacing:1.4px;color:#778398}
.logo-core{overflow:hidden;background:#fff}
.logo-core img{display:block;width:138%;height:138%;max-width:none;object-fit:contain;transform:translateY(-10%)}
.about-copy p{margin:0 0 18px}
.stats strong{font-size:clamp(26px,3vw,42px);word-break:keep-all}
.applications{background:#fff}
.applications .section-heading span{color:var(--muted)}
.application-grid{display:grid;grid-template-columns:repeat(4,1fr);max-width:1180px;margin:auto;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.application-grid div{min-height:150px;padding:30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;transition:.25s}
.application-grid div:hover{background:#f4f8ff;transform:translateY(-3px)}
.application-grid b{font-size:11px;color:var(--blue);letter-spacing:1px}
.application-grid span{font-size:19px;font-weight:700}
.contact-meta strong{line-height:1.65}
.footer-brand .brand-logo{width:34px;height:34px;flex-basis:34px;border-radius:10px}
.footer-brand .brand-name strong{font-size:15px}
.icp-link{white-space:nowrap;transition:color .2s}
.icp-link:hover{color:var(--blue)}
@media(max-width:900px){.application-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.brand-name small{display:none}.application-grid{grid-template-columns:1fr 1fr}.application-grid div{min-height:120px;padding:22px}.application-grid span{font-size:16px}.contact-meta strong{font-size:14px}footer{align-items:flex-start}.footer-brand .brand-name small{display:block}}