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*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f3f5f7;background-image:linear-gradient(rgba(43,110,180,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(43,110,180,.025) 1px,transparent 1px);background-size:52px 52px;font-family:Inter,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input{font:inherit}.container{width:min(1200px,calc(100% - 40px));margin:auto}
.announcement{min-height:40px;display:flex;align-items:center;justify-content:center;padding:7px 20px;color:#eef5fa;background:#10263a;border-bottom:1px solid #07131e;font-size:12px;letter-spacing:.04em}.announcement b{margin-right:12px;padding:2px 10px;color:#14304a;background:#b8e3ef;border-radius:2px}.announcement a{margin-left:16px;color:#a9d9f0;border-bottom:1px solid rgba(169,217,240,.65)}
.header{position:sticky;top:0;z-index:30;height:74px;background:rgba(255,255,255,.95);border-bottom:1px solid #d3dbe1;backdrop-filter:blur(18px);box-shadow:0 7px 24px rgba(27,53,78,.07)}.nav{height:100%;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:900;letter-spacing:-.03em}.logo-mark{position:relative;width:32px;height:32px;border:1px solid #8da6ba;background:#eef3f6}.logo-mark:before{content:"";position:absolute;left:5px;top:5px;width:8px;height:8px;background:var(--blue);box-shadow:13px 0 0 var(--cyan),0 13px 0 var(--orange),13px 13px 0 var(--navy)}.navlinks{height:100%;display:flex;align-items:center;gap:4px}.navlinks a{height:100%;display:flex;align-items:center;padding:0 14px;color:#52616d;border-bottom:3px solid transparent;font-size:13px}.navlinks a:hover,.navlinks a.active{color:#204e78;border-color:var(--blue);background:#f7f9fa}.actions{display:flex;gap:9px}.btn{min-height:48px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;color:#29465e;background:#fff;border:1px solid #c7d1d9;border-radius:4px;box-shadow:0 5px 15px rgba(27,60,90,.08);font-size:14px;font-weight:800;cursor:pointer;transition:.2s}.btn:hover{transform:translateY(-2px);box-shadow:0 11px 26px rgba(27,60,90,.14)}.btn-dark{color:#fff;background:var(--navy);border-color:#0d2337}.btn-orange{color:#fff;background:var(--blue);border-color:#205d9c}.btn-sm{min-height:40px;padding:0 16px}
.hero{position:relative;padding:88px 0 68px;overflow:hidden;background:linear-gradient(115deg,#fff 0 58%,#e9eef2 58%);border-bottom:1px solid #d2dbe1}.hero:before{content:"";position:absolute;right:-120px;top:-160px;width:550px;height:550px;background:repeating-linear-gradient(90deg,rgba(43,110,180,.12) 0 42px,transparent 42px 52px),repeating-linear-gradient(rgba(43,110,180,.08) 0 42px,transparent 42px 52px);transform:rotate(15deg)}.hero:after{content:"ENTERPRISE NETWORK · 8,000+ TEAMS";position:absolute;right:1%;bottom:18px;color:rgba(31,74,111,.08);font-size:22px;font-weight:900}.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:.93fr 1.07fr;gap:68px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:9px;color:#2d618f;font-size:10px;font-weight:900;letter-spacing:.17em;text-transform:uppercase}.eyebrow:before{content:"";width:22px;height:22px;background:linear-gradient(90deg,var(--blue) 0 45%,transparent 45% 55%,var(--cyan) 55%),linear-gradient(var(--blue) 0 45%,transparent 45% 55%,var(--orange) 55%)}.hero h1{margin:21px 0 26px;font-size:clamp(52px,6.2vw,84px);line-height:1.02;letter-spacing:-.065em}.hero h1 span{color:var(--blue)}.lead{max-width:610px;color:#5c6973;font-size:18px}.hero-actions{display:flex;gap:11px;margin:33px 0 16px}.micro{color:#79858e;font-size:11px}.visual{position:relative;padding:16px}.visual-frame{position:relative;padding:38px 10px 10px;border:1px solid #aebbc5;background:#fff;box-shadow:var(--shadow)}.visual-frame:before{content:"企业控制台 · AI 画质增强 · 设备在线";position:absolute;top:10px;left:18px;color:#60727f;font-size:10px;font-weight:800}.visual-frame:after{content:"■  ■  ■";position:absolute;top:8px;right:18px;color:var(--blue);font-size:8px;letter-spacing:4px}.visual-frame img{width:100%;aspect-ratio:3/2;object-fit:cover;border:1px solid #c6d0d7;filter:saturate(.6);box-shadow:0 14px 34px rgba(27,66,96,.15)}.metal-node{position:absolute;z-index:3;padding:10px 14px;color:#294c66;background:#fff;border:1px solid #b8c5ce;box-shadow:var(--shadow);font-size:10px;font-weight:900}.node-a{left:-5px;top:17%;border-left:3px solid #36b779}.node-b{right:-5px;bottom:9%;color:#255d8e;border-right:3px solid var(--blue)}.node-dot{display:inline-block;width:8px;height:8px;margin-right:7px;border-radius:50%;background:#36b779}.metrics{background:#142b40;color:#fff;border-top:1px solid #334d64;border-bottom:1px solid #07131e}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr)}.metric{position:relative;padding:25px 34px;border-right:1px solid #354d62}.metric:first-child{border-left:1px solid #354d62}.metric:after{content:"";position:absolute;right:14px;top:14px;width:8px;height:8px;background:#45cf89}.metric strong{display:block;font-size:24px;letter-spacing:-.03em}.metric span{color:#96a9b9;font-size:11px}.logo-belt{padding:46px 0;background:#fff;border-bottom:1px solid #d5dde2}.logo-belt p{text-align:center;margin-bottom:22px;color:#74808a;font-size:12px}.logo-matrix{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid #d6dee4;border-left:1px solid #d6dee4}.logo-matrix span{height:74px;display:grid;place-items:center;color:#586a78;border-right:1px solid #d6dee4;border-bottom:1px solid #d6dee4;font-size:11px;font-weight:900;letter-spacing:.04em;background:#fafbfb}.logo-matrix span:nth-child(even){background:#f2f5f7}
.section{position:relative;padding:100px 0;border-bottom:1px solid #d3dce2}.section.white{background:#fff}.section.dark{color:#fff;background:#132b40;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:52px 52px}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:47px}.section-head h2{max-width:760px;margin:12px 0 0;font-size:clamp(34px,4vw,52px);line-height:1.12;letter-spacing:-.05em}.section-head p{max-width:410px;margin:0 0 4px;color:#68757e}.dark .section-head p{color:#b4c2cc}.dark .eyebrow{color:#a9d8ed}
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #cbd5dc;border-left:1px solid #cbd5dc;box-shadow:var(--shadow)}.feature{position:relative;min-height:275px;padding:32px;background:#fff;border-right:1px solid #cbd5dc;border-bottom:1px solid #cbd5dc;overflow:hidden}.feature:before{content:"";position:absolute;right:12px;top:12px;width:18px;height:18px;background:linear-gradient(90deg,var(--blue) 0 45%,transparent 45% 55%,#d9e2e7 55%),linear-gradient(var(--blue) 0 45%,transparent 45% 55%,#d9e2e7 55%)}.ficon{width:50px;height:48px;margin-bottom:47px;display:grid;place-items:center;color:#285f8f;background:#eef3f6;border:1px solid #b8c7d0;font-size:12px;font-weight:900}.feature h3{margin:0 0 8px;font-size:20px}.feature p{color:#66747e;font-size:13px}.more{color:#2c6392;font-size:12px;font-weight:800}.more:hover{color:#163f62}
.scenes{display:grid;gap:22px}.scene{display:grid;grid-template-columns:1.08fr .92fr;min-height:390px;background:#1b374d;border:1px solid #405a6f;box-shadow:var(--shadow);overflow:hidden}.scene:nth-child(even) .scene-media{order:2}.scene-media{position:relative;overflow:hidden}.scene-media:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 68%,#1b374d)}.scene:nth-child(even) .scene-media:after{background:linear-gradient(-90deg,transparent 68%,#1b374d)}.scene-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.5) contrast(1.04)}.scene-copy{position:relative;padding:52px;display:flex;flex-direction:column;justify-content:center}.scene-copy:after{content:"";position:absolute;right:20px;top:20px;width:18px;height:18px;background:linear-gradient(90deg,var(--cyan) 0 45%,transparent 45% 55%,var(--orange) 55%),linear-gradient(var(--cyan) 0 45%,transparent 45% 55%,var(--orange) 55%)}.scene-no{color:#94d6ee;font-size:10px;font-weight:900;letter-spacing:.2em}.scene h3{margin:21px 0 14px;font-size:36px;letter-spacing:-.04em}.scene p{color:#b9c7d0}.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:13px}.tags span{padding:4px 10px;color:#edf6fa;background:#102637;border:1px solid #455f73;font-size:10px}
.compare-wrap{overflow:auto;background:#fff;border:1px solid #c8d3da;box-shadow:var(--shadow)}.compare{width:100%;min-width:870px;border-collapse:collapse}.compare th,.compare td{padding:17px 14px;border-right:1px solid #d8e0e5;border-bottom:1px solid #d8e0e5;text-align:center;font-size:13px}.compare th:first-child,.compare td:first-child{padding-left:27px;text-align:left}.compare thead th{background:#edf2f5;font-size:12px}.compare .ours{color:#275b88;background:#eaf1f6;font-weight:800}.yes{color:#218b5f;font-weight:800}.no{color:#929a9f}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review{position:relative;padding:32px;background:#fff;border:1px solid #cbd5dc;box-shadow:var(--shadow)}.review:before{content:"CLIENT";position:absolute;right:16px;top:14px;color:#96a1a8;font-size:9px;font-weight:900}.review:after{content:"";position:absolute;left:0;right:50%;bottom:0;height:4px;background:var(--blue)}.review:nth-child(even):after{left:50%;right:0;background:var(--orange)}.stars{color:#e99a4d;letter-spacing:.15em}.quote{min-height:145px;margin:23px 0 30px;color:#394852;font-size:16px}.person{display:flex;align-items:center;gap:12px;padding-top:17px;border-top:1px solid #dbe2e6}.avatar{width:42px;height:42px;display:grid;place-items:center;color:#fff;background:var(--navy);font-weight:900}.person small{display:block;color:#75828b}
.faq{display:grid;grid-template-columns:.65fr 1.35fr;gap:76px}.faq-list{background:#fff;border:1px solid #c8d3da;box-shadow:var(--shadow);overflow:hidden}.faq-list details{border-bottom:1px solid #d8e0e5}.faq-list details:last-child{border-bottom:0}details{padding:20px 22px}summary{display:flex;justify-content:space-between;list-style:none;font-weight:800;cursor:pointer}summary:after{content:"+";width:26px;height:26px;display:grid;place-items:center;color:#fff;background:var(--navy)}details[open] summary:after{content:"−";background:var(--orange)}details p{margin:15px 35px 2px 0;color:#66747e;font-size:13px}.cta{position:relative;padding:88px 0;overflow:hidden;color:#fff;background:#17344b;border-top:1px solid #435d70;border-bottom:1px solid #091923}.cta:before{content:"";position:absolute;right:5%;top:30px;width:400px;height:180px;background:repeating-linear-gradient(90deg,rgba(80,184,214,.13) 0 42px,transparent 42px 52px),repeating-linear-gradient(rgba(80,184,214,.08) 0 42px,transparent 42px 52px)}.cta:after{content:"ENTERPRISE READY";position:absolute;right:3%;bottom:-35px;color:rgba(255,255,255,.05);font-size:70px;font-weight:900}.cta-inner{position:relative;z-index:2}.cta .eyebrow{color:#a9d7eb}.cta h2{margin:14px 0 13px;font-size:clamp(40px,5vw,62px);line-height:1.06;letter-spacing:-.06em}.cta p{color:#b4c3cd}.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article{position:relative;padding:25px;background:#fff;border:1px solid #cad4db;box-shadow:var(--shadow);overflow:hidden}.article:before{content:"";position:absolute;left:0;right:50%;top:0;height:4px;background:var(--blue)}.article:nth-child(even):before{left:50%;right:0;background:var(--orange)}.article-cover img{width:calc(100% + 50px);height:145px;margin:-25px -25px 20px;object-fit:cover;border-bottom:1px solid #d3dce2;filter:saturate(.5)}.date{color:#75828b;font-size:10px;font-weight:800;letter-spacing:.12em}.article h3{margin:18px 0 10px;font-size:20px;line-height:1.4}.article p{color:#66747e;font-size:13px}
.footer{position:relative;padding:64px 0 24px;color:#f1f7fa;background:#0d202e;border-top:1px solid #344b5b}.footer:before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--cyan),var(--orange))}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:45px}.footer p,.footer a{color:#728795;font-size:12px}.footer h4{margin:0 0 14px;color:#eef5f8}.footer-col a{display:block;margin:8px 0}.copyright{display:flex;justify-content:space-between;margin-top:46px;padding-top:20px;border-top:1px solid #293d4b;color:#506774;font-size:10px}
.page-hero{position:relative;padding:85px 0 72px;overflow:hidden;background:linear-gradient(115deg,#fff 0 68%,#e9eef2 68%);border-bottom:1px solid #d2dbe1}.page-hero:before{content:"";position:absolute;right:-100px;top:-140px;width:420px;height:420px;background:repeating-linear-gradient(90deg,rgba(43,110,180,.12) 0 42px,transparent 42px 52px),repeating-linear-gradient(rgba(43,110,180,.08) 0 42px,transparent 42px 52px);transform:rotate(15deg)}.page-hero:after{content:"ENTERPRISE / DOWNLOAD / SUPPORT";position:absolute;right:-20px;bottom:-28px;color:rgba(31,74,111,.05);font-size:61px;font-weight:900}.page-hero .container{position:relative;z-index:2}.page-hero h1{margin:18px 0;font-size:clamp(45px,6vw,70px);line-height:1.05;letter-spacing:-.06em}.page-hero p{max-width:690px;color:#60717c;font-size:17px}
.downloads{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.download-card{position:relative;min-height:355px;padding:29px;display:flex;flex-direction:column;background:#fff;border:1px solid #c8d3da;box-shadow:var(--shadow);overflow:hidden}.download-card:after{content:"";position:absolute;right:12px;bottom:12px;width:18px;height:18px;background:linear-gradient(90deg,var(--blue) 0 45%,transparent 45% 55%,#d9e2e7 55%),linear-gradient(var(--blue) 0 45%,transparent 45% 55%,#d9e2e7 55%)}.download-card.featured{border:2px solid var(--navy);box-shadow:7px 7px 0 #d9e1e6}.download-card.featured:before{content:"ENTERPRISE CHOICE";position:absolute;right:18px;top:12px;color:#477493;font-size:8px;font-weight:900}.platform{display:flex;align-items:center;justify-content:space-between}.platform h3{font-size:24px}.badge{padding:3px 8px;color:#2c5f83;background:#eaf1f5;border:1px solid #c0d0d9;font-size:9px;font-weight:900}.download-card ul{flex:1;padding-left:18px;color:#64737d;font-size:13px}.version{margin-top:12px;color:#78858e;font-size:10px}.download-banner{display:grid;grid-template-columns:1.1fr .9fr;background:#1b374d;border:1px solid #405a6f;box-shadow:var(--shadow);overflow:hidden}.download-banner img{width:100%;height:100%;object-fit:cover;filter:saturate(.5)}.download-banner>div{padding:52px}.download-banner h2{font-size:37px;line-height:1.15}.download-banner p{color:#b9c7d0}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step{position:relative;padding:25px;background:#fff;border:1px solid #cad4db;box-shadow:var(--shadow)}.step:after{content:"";position:absolute;right:14px;top:14px;width:8px;height:8px;background:var(--blue)}.step b{color:#2c6392;font-size:33px;font-weight:900}.step h3{margin:14px 0 6px}
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@media(max-width:920px){.navlinks{display:none}.hero-grid,.scene,.faq,.download-banner,.help-layout{grid-template-columns:1fr}.hero,.page-hero{background:#fff}.visual{margin-top:15px}.grid-6,.downloads,.reviews,.articles{grid-template-columns:repeat(2,1fr)}.logo-matrix{grid-template-columns:repeat(3,1fr)}.scene:nth-child(even) .scene-media{order:0}.scene-media{min-height:300px}.scene-media:after,.scene:nth-child(even) .scene-media:after{background:linear-gradient(0deg,#1b374d,transparent 45%)}.help-side{position:static}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.container{width:min(100% - 28px,1200px)}.announcement{font-size:10px}.announcement a{display:none}.header{height:64px}.actions .btn:first-child{display:none}.hero{padding:58px 0}.hero h1{font-size:48px}.hero-actions{flex-direction:column}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric{padding:18px 14px;border-bottom:1px solid #354d62}.section{padding:70px 0}.section-head{display:block}.section-head p{margin-top:17px}.grid-6,.downloads,.reviews,.articles,.help-grid,.steps{grid-template-columns:1fr}.logo-matrix{grid-template-columns:repeat(2,1fr)}.scene-copy{padding:32px 25px}.scene h3{font-size:29px}.faq{gap:30px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.copyright{display:block}.page-hero{padding:60px 0}.searchbox{display:block}.searchbox .btn{width:100%;margin-top:5px}}