:root{--bg:#f2f5f9;--panel:#fff;--ink:#17304a;--muted:#60768a;--line:#d4dfe8;--head:#eaf0f5;--blue:#2f78ff;--teal:#0d9f8f;--orange:#ff9948;--red:#dd635d;--shadow:0 12px 30px rgba(27,59,87,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input,select{font:inherit}.container{width:min(1200px,92vw);margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:10px 14px;border-radius:10px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(15px);border-bottom:1px solid var(--line)}.nav-shell{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px}.brand-mark{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:#173b60;color:#fff}.nav{display:flex;align-items:center;gap:5px}.nav a{font-size:14px;font-weight:750;color:#526b80;padding:9px 12px;border-radius:11px}.nav a:hover,.nav a.active{background:#eaf1ff;color:#185fdd}.nav .cta{background:#173b60;color:#fff}.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px;color:var(--ink)}
.hero{padding:50px 0 36px}.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:40px}.eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:13px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.eyebrow:before,.kicker:before{content:"";width:24px;height:3px;background:var(--teal);border-radius:99px}h1{font-size:clamp(38px,5.7vw,66px);line-height:1.08;letter-spacing:-.045em;margin:16px 0}h2{font-size:clamp(27px,3.6vw,40px);line-height:1.2;letter-spacing:-.025em;margin:8px 0 12px}h3{line-height:1.35;margin:0 0 9px}p{margin:0 0 13px}.lead{font-size:18px;color:#4e667a}.actions,.link-row{display:flex;gap:11px;flex-wrap:wrap;margin-top:22px}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:44px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:9px 17px;border-radius:11px;font-weight:850;transition:.2s}.btn:hover{transform:translateY(-2px);border-color:#77a5d3}.btn-primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn-teal{background:var(--teal);border-color:var(--teal);color:#fff}.meta-strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.meta-strip span{font-size:13px;color:#536c80;padding:7px 10px;border:1px solid var(--line);border-radius:9px;background:#fff}.hero-visual{margin:0}.hero-visual img{border-radius:24px;border:1px solid var(--line);box-shadow:var(--shadow)}.hero-visual figcaption{font-size:13px;color:var(--muted);margin-top:10px}.breadcrumb{padding-top:16px;font-size:13px;color:#708497}.breadcrumb a{color:#1969e8}
.section{padding:46px 0}.section-white{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:23px}.section-head>p{max-width:620px;color:var(--muted)}.grid{display:grid;gap:17px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px;box-shadow:0 8px 20px rgba(28,61,89,.05)}.section-white .card{background:#f8fafc}.card p,.muted{color:var(--muted)}.tag{display:inline-flex;background:#dff5f1;color:#087468;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:850;margin-bottom:10px}.tag.orange{background:#fff0e3;color:#a84f0a}.tag.blue{background:#e3edff;color:#185fd6}
.media-card{margin:0;overflow:hidden;border:1px solid var(--line);background:#fff;border-radius:18px;box-shadow:var(--shadow)}.media-card img{width:100%;aspect-ratio:720/460;object-fit:cover}.media-card figcaption{padding:17px}.media-card figcaption p{color:var(--muted);font-size:14px}.device-rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(225px,1fr);gap:14px;overflow-x:auto;padding:2px 1px 12px;scroll-snap-type:x mandatory}.device-rail>*{scroll-snap-align:start}
.dashboard{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}.dashboard-head{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;background:#f8fafc;border-bottom:1px solid var(--line)}.dashboard-head p{margin:0;color:var(--muted);font-size:13px}.table-wrap{overflow-x:auto}.dashboard table,.data-table{width:100%;min-width:950px;border-collapse:collapse}th,td{text-align:left;padding:12px 13px;border-bottom:1px solid #e1e8ee;font-size:13px;vertical-align:middle}th{background:#eaf0f5;color:#476074;white-space:nowrap}td{color:#40586d}.rate{display:inline-flex;padding:4px 9px;border-radius:999px;background:#dff6ef;color:#087767;font-weight:850}.priority{display:inline-flex;padding:4px 9px;border-radius:8px;background:#fff0e2;color:#a6500a;font-weight:850}.switch{width:42px;height:24px;border:0;border-radius:99px;background:#aabac7;padding:3px;cursor:pointer;transition:.2s}.switch:before{content:"";display:block;width:18px;height:18px;border-radius:50%;background:#fff;transition:.2s}.switch.on{background:var(--blue)}.switch.on:before{transform:translateX(18px)}
.notice{padding:14px 16px;border-radius:13px;border:1px solid #ffd2a8;background:#fff4e9;color:#7b3b0d}.notice.blue{border-color:#bcd3ff;background:#edf4ff;color:#164eaa}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.stat{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px}.stat b{display:block;font-size:21px;color:var(--blue)}.stat span{font-size:13px;color:var(--muted)}
.source-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center}.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;counter-reset:flow}.flow>div{background:#fff;border:1px solid var(--line);border-top:4px solid var(--blue);padding:17px;border-radius:0 0 15px 15px}.flow>div:before{counter-increment:flow;content:"0" counter(flow);display:block;font-weight:900;color:var(--blue);margin-bottom:6px}
.tech-layout{display:grid;grid-template-columns:250px 1fr;gap:24px;align-items:start}.tech-nav{position:sticky;top:88px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:13px}.tech-nav a{display:block;padding:9px 11px;border-radius:9px;color:#587085;font-weight:750;font-size:14px}.tech-nav a:hover{background:#eaf1ff;color:#185fdd}.alternating{display:grid;gap:19px}.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:19px}.alt-row:nth-child(even) figure{order:2}
.timeline{position:relative;margin-left:13px}.timeline:before{content:"";position:absolute;left:14px;top:5px;bottom:6px;width:2px;background:#bad0e0}.timeline article{position:relative;padding:0 0 21px 52px}.timeline article:before{content:"";position:absolute;left:3px;top:3px;width:22px;height:22px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px #dfebff}.timeline time{font-weight:850;color:#1967dd}
.custom-demo{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px}.form-card{display:grid;gap:13px}.field label{display:block;font-weight:800;margin-bottom:5px}.field select,.field input{width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}.check-row{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.check-row label{display:flex;align-items:center;gap:7px;color:#4d667a}.result-card{border-left:4px solid var(--teal);background:#f3faf8;border-radius:0 13px 13px 0;padding:14px 16px;margin-bottom:11px}.result-card p{color:#516b7e}.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.matrix div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}.matrix b{display:block;color:var(--teal)}
.steps{counter-reset:steps;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.steps article{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 16px 16px 56px}.steps article:before{counter-increment:steps;content:counter(steps);position:absolute;left:15px;top:16px;width:29px;height:29px;border-radius:9px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900}
.article-layout{display:grid;grid-template-columns:235px 1fr;gap:22px;align-items:start}.article-aside{position:sticky;top:88px}.article-aside a{display:block;padding:9px 10px;border-bottom:1px solid var(--line);font-size:14px;color:#5a7185}.article-list{display:grid;gap:22px}.article{display:grid;grid-template-columns:300px 1fr;background:#fff;border:1px solid var(--line);border-radius:19px;overflow:hidden}.article figure{margin:0;background:#f7f9fc}.article figure img{width:100%;min-height:230px;height:100%;object-fit:cover}.article figure figcaption{padding:12px 14px;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}.article-copy{padding:22px}.article-meta{display:flex;gap:9px;flex-wrap:wrap;color:#71869a;font-size:13px;margin-bottom:8px}.article-body{columns:2;column-gap:25px;color:#4a6276}.article-body p{break-inside:avoid}
.faq{display:grid;gap:9px}.faq details{background:#fff;border:1px solid var(--line);border-radius:13px;padding:0 15px}.faq summary{list-style:none;cursor:pointer;position:relative;padding:14px 28px 14px 0;font-weight:850}.faq summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:22px;top:7px}.faq details[open] summary:after{content:"–"}.faq details p{color:var(--muted);padding-bottom:14px}.site-footer{background:#122a42;color:#fff;padding:42px 0 22px}.footer-grid{display:grid;grid-template-columns:1.25fr .8fr .8fr;gap:27px}.footer-grid h3{color:#8cded3}.footer-grid a{display:block;color:#bfd0de;margin:6px 0}.footer-grid p{color:#bfd0de}.footer-meta{display:grid;gap:3px;color:#9fb5c6;font-size:13px}.copyright{border-top:1px solid #2b4660;margin-top:24px;padding-top:16px;color:#829bae;font-size:13px}.back-top,.help-float{position:fixed;bottom:17px;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow);z-index:25}.back-top{right:18px;display:none}.back-top.show{display:block}.help-float{right:72px;display:grid;place-items:center;font-weight:900;color:#fff;background:var(--teal);border-color:var(--teal)}
@media(max-width:980px){.hero-grid,.source-panel,.custom-demo{grid-template-columns:1fr}.grid-4,.stats{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.flow{grid-template-columns:repeat(3,1fr)}.article{grid-template-columns:250px 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:760px){.nav-toggle{display:block}.nav{display:none;position:absolute;left:4vw;right:4vw;top:73px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);padding:12px;border-radius:15px;box-shadow:var(--shadow)}.nav.open{display:flex}.nav a{text-align:center}.hero{padding-top:36px}.section{padding:39px 0}.section-head{display:block}.grid-2,.grid-3,.grid-4,.stats,.steps,.matrix{grid-template-columns:1fr}.flow{grid-template-columns:1fr 1fr}.tech-layout,.article-layout{grid-template-columns:1fr}.tech-nav,.article-aside{position:static}.alt-row{grid-template-columns:1fr}.alt-row:nth-child(even) figure{order:0}.article{grid-template-columns:1fr}.article figure img{max-height:260px}.article-body{columns:1}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}
@media(max-width:480px){.flow{grid-template-columns:1fr}.device-rail{grid-auto-columns:86%}.actions{display:grid}.btn{width:100%}.meta-strip{display:grid}.help-float{display:none}}
.article.section{display:block;grid-template-columns:none;border:0;border-radius:0;overflow:visible;background:var(--bg)}.article.section-white{background:#fff}.article .article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:30px}.article .article-body{columns:1;color:#405b70;font-size:16px}.article .article-body p{margin-bottom:17px}.article .article-layout>aside{position:sticky;top:88px}.article-head{max-width:930px;margin-bottom:24px}.article-summary{font-size:17px;color:#516b7e}.article-index{display:block}.anchor-offset{position:relative;top:-84px}.timeline>div{position:relative;padding:0 0 21px 52px}.timeline>div:before{content:"";position:absolute;left:3px;top:3px;width:22px;height:22px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px #dfebff}.timeline>div>b{display:block;color:#1967dd}
@media(max-width:760px){.article .article-layout{grid-template-columns:1fr}.article .article-layout>aside{position:static}}