:root{--ink:#243447;--slate:#536b82;--blue:#2d6597;--steel:#7891a8;--paper:#f2f5f7;--white:#fff;--line:#cbd5dd;--green:#268b72;--navy:#18334d}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.wrap{width:min(1220px,calc(100% - 48px));margin:auto}.skip{position:fixed;z-index:99;top:6px;left:6px;padding:8px 13px;color:#fff;background:var(--navy);transform:translateY(-150%)}.skip:focus{transform:none}
.header{position:sticky;z-index:50;top:0;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.nav{min-height:72px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:35px}.brand{display:flex;align-items:center;gap:10px;font-weight:900}.brandmark{width:36px;height:36px;display:grid;place-items:center;color:#fff;background:var(--navy)}.links{display:flex;justify-content:center;gap:27px;color:var(--slate);font-size:12px}.links a:hover,.links a[aria-current=page]{color:var(--blue)}.nav-actions{display:flex;align-items:center;gap:13px}.lang{color:#889aaa;font:10px Consolas,monospace}.btn{display:inline-flex;min-height:42px;align-items:center;justify-content:center;padding:9px 17px;color:var(--blue);background:#fff;border:1px solid #7f9db7;font-size:12px;font-weight:900;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb}.btn:hover{color:#fff;background:var(--blue)}.btn-main{color:#fff;background:var(--blue);border-color:var(--blue)}.menu{display:none;width:42px;height:42px;color:var(--navy);background:#fff;border:1px solid var(--line)}
.hero{background:linear-gradient(110deg,#f7f9fa,#e8eef2);border-bottom:1px solid var(--line)}.hero-grid{min-height:710px;display:grid;grid-template-columns:1fr 520px;align-items:center;gap:65px;padding:80px 0}.label{display:block;color:var(--blue);font:10px Consolas,monospace;letter-spacing:.14em;text-transform:uppercase}.hero h1,.page-hero h1{margin:19px 0;font-size:clamp(50px,7vw,84px);line-height:1.01;letter-spacing:-.06em}.hero h1 span{display:block;color:var(--blue)}.lead{max-width:640px;color:var(--slate);font-size:16px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.console{background:#fff;border:1px solid #aab8c4;box-shadow:18px 18px 0 #d4dde3}.console-head{display:flex;justify-content:space-between;padding:12px 16px;color:#70859a;background:#e9eef2;border-bottom:1px solid var(--line);font:10px Consolas,monospace}.console-body{padding:24px}.console-image{height:255px;background:#eef3f6}.console-image img{width:100%;height:100%;object-fit:contain;filter:grayscale(.45) hue-rotate(160deg)}.graph{height:80px;margin-top:22px;display:flex;align-items:end;gap:8px;border-bottom:1px solid var(--line)}.graph i{flex:1;background:#7fa6c6}.graph i:nth-child(2n){background:#2d6597}.console-foot{display:grid;grid-template-columns:repeat(3,1fr);margin-top:18px}.console-foot div{padding:10px;border-left:1px solid var(--line)}.console-foot b{display:block;color:var(--green)}.console-foot span{color:#8192a2;font-size:9px}.trust{display:grid;grid-template-columns:repeat(3,1fr);background:var(--navy);color:#d8e1e8}.trust span{padding:19px;text-align:center;font-size:11px}.trust span+span{border-left:1px solid #3c566d}.trust b{color:#7fd3be;margin-right:7px}
.section{padding:105px 0}.section-paper{background:var(--paper)}.section-navy{color:#fff;background:var(--navy)}.head{display:grid;grid-template-columns:170px 1fr;gap:55px;margin-bottom:55px}.head h2{margin:0;max-width:820px;font-size:clamp(35px,5vw,55px);line-height:1.1;letter-spacing:-.04em}.head p{grid-column:2;margin:0;max-width:680px;color:var(--slate)}.section-navy .head p{color:#9fb0bf}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}.metric{padding:27px;background:#fff}.metric+.metric{border-left:1px solid var(--line)}.metric strong{display:block;color:var(--blue);font-size:34px}.metric span{color:var(--slate);font-size:11px}.fine{margin-top:10px;color:#8998a6;font-size:10px;text-align:right}
.audit{border-top:1px solid var(--line)}.audit-row{display:grid;grid-template-columns:150px 1fr 360px;align-items:center;gap:35px;min-height:190px;border-bottom:1px solid var(--line)}.audit-code{font:11px Consolas,monospace;color:var(--blue)}.audit-row h3{margin:0;font-size:27px}.audit-row p{color:var(--slate);font-size:13px}.audit-state{height:55px;display:flex;align-items:end;gap:4px}.audit-state i{flex:1;background:#a9becd}.audit-state i:nth-child(3n){background:var(--blue)}
.node-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.node-visual{min-height:470px;border:1px solid #40596f;background:repeating-linear-gradient(0deg,transparent 0 39px,rgba(255,255,255,.05) 40px),repeating-linear-gradient(90deg,transparent 0 39px,rgba(255,255,255,.05) 40px)}.node-visual img{width:100%;height:100%;object-fit:contain;opacity:.58;filter:grayscale(1) invert(.1)}.node-table{border-top:1px solid #52697c}.node{display:grid;grid-template-columns:1fr 90px 90px;padding:18px 5px;border-bottom:1px solid #52697c}.node span,.node b{font:11px Consolas,monospace}.node span{color:#9fb0bf}.node b{color:#7fd3be;text-align:right}
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.case{padding:30px;background:#fff}.case img{width:100%;height:125px;object-fit:cover;filter:grayscale(1)}.stars{margin-top:22px;color:#b1782d;letter-spacing:2px}.case blockquote{margin:17px 0;color:#475e73;font-size:14px}.case footer{color:#8495a5;font-size:10px}
.plans{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #40596f}.plan{min-height:430px;padding:32px;display:flex;flex-direction:column}.plan+.plan{border-left:1px solid #40596f}.plan.best{background:#234b6f}.plan small{color:#7fd3be}.price{font-size:42px;font-weight:900}.price span{color:#9fb0bf;font-size:10px}.plan ul{padding:0;list-style:none;color:#b4c1cb;font-size:13px}.plan li{padding:6px 0}.plan li:before{content:"—";margin-right:8px}.plan .btn{width:100%;margin-top:auto;background:transparent;color:#fff;border-color:#8aa0b1}.plan .btn:hover{background:#fff;color:var(--navy)}
.faq{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}.qa{min-height:230px;padding:28px 28px 28px 0;border-bottom:1px solid var(--line)}.qa:nth-child(even){padding-left:28px;border-left:1px solid var(--line)}.qa code{color:var(--blue);font-size:10px}.qa h3{margin:25px 0 8px}.qa p,.qa li{color:var(--slate);font-size:13px}
.page-hero{padding:95px 0 65px;background:var(--paper);border-bottom:1px solid var(--line)}.page-grid{display:grid;grid-template-columns:1fr 410px;align-items:center;gap:70px}.page-hero h1{font-size:clamp(45px,6vw,72px)}.page-media{height:370px;padding:16px;background:#fff;border:1px solid var(--line);box-shadow:15px 15px 0 #dae2e7}.page-media img{width:100%;height:100%;object-fit:contain;filter:grayscale(.25)}
.downloads{border-top:2px solid var(--navy)}.download{display:grid;grid-template-columns:80px 1fr 210px;align-items:center;gap:30px;padding:26px 0;border-bottom:1px solid var(--line)}.os{width:55px;height:55px;display:grid;place-items:center;color:#fff;background:var(--blue);font-weight:900}.download h3{margin:0}.download p{margin:4px 0;color:var(--slate);font-size:11px}.steps{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}.step{padding:28px;background:#fff}.step+.step{border-left:1px solid var(--line)}.step b{color:var(--blue);font:11px Consolas,monospace}.step h3{margin:38px 0 9px}.step p{color:var(--slate);font-size:12px}
.guide{display:grid;grid-template-columns:260px 1fr;gap:65px}.guide-nav{position:sticky;top:100px;height:max-content;border-top:2px solid var(--navy)}.guide-nav a{display:block;padding:12px 0;color:#6e8295;border-bottom:1px solid var(--line);font-size:11px}.guide-nav a:hover{color:var(--blue)}.guide-body h2{margin:55px 0 13px;font-size:31px}.guide-body h2:first-child{margin-top:0}.guide-body p,.guide-body li{color:var(--slate)}.notice{padding:22px;background:var(--paper);border-left:4px solid var(--blue)}
.cta{margin-top:75px;padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:30px;color:#fff;background:var(--navy)}.cta h2{margin:0}.cta p{margin:4px 0;color:#adbbc6}.footer{padding:55px 0 22px;background:#e8edf0;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:45px}.footer p{max-width:340px;color:#718497;font-size:11px}.footer h3{color:var(--blue);font-size:12px}.footer-links{display:grid;gap:8px;color:#667b8e;font-size:11px}.copy{display:flex;justify-content:space-between;margin-top:42px;padding-top:17px;border-top:1px solid var(--line);color:#8999a7;font-size:10px}
@media(max-width:930px){.links{position:absolute;top:72px;right:24px;left:24px;display:none;padding:17px;background:#fff;border:1px solid var(--line);flex-direction:column}.links.open{display:flex}.menu{display:block}.lang,.nav-actions>.btn{display:none}.nav{grid-template-columns:auto 1fr auto}.hero-grid,.page-grid,.node-grid{grid-template-columns:1fr}.console{max-width:550px;margin:auto}.head{grid-template-columns:1fr;gap:16px}.head p{grid-column:1}.audit-row{grid-template-columns:100px 1fr}.audit-state{grid-column:2}.guide{grid-template-columns:1fr}.guide-nav{position:static}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.wrap{width:calc(100% - 28px)}.hero-grid{min-height:auto;padding:65px 0}.hero h1{font-size:50px}.trust,.metrics,.cases,.plans,.faq,.steps{grid-template-columns:1fr}.trust span+span,.metric+.metric,.plan+.plan,.step+.step{border-left:0;border-top:1px solid var(--line)}.section{padding:75px 0}.qa:nth-child(even){padding-left:0;border-left:0}.audit-row{grid-template-columns:1fr;gap:10px;padding:25px 0}.audit-state{grid-column:1}.download{grid-template-columns:60px 1fr}.download .btn{grid-column:1/-1}.cta,.copy{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}