:root{--acc:#c9441a;--acc-deep:#a73513;--acc-tint:#ffb18b;--ink:#0a2540;--blue:#225d84;--mut:#536577;--surface:#f6f8fa;--sans:"Alibaba PuHuiTi","PingFang SC","Microsoft YaHei",Arial,sans-serif;--mono:var(--sans);--shadow-card:0 4px 24px rgba(10,37,64,.07);--radius-card:16px;--radius-btn:8px}
[hidden]{display:none!important}html{scroll-padding-top:104px}body{font-family:var(--sans);font-size:16px;line-height:1.75;color:#1b2a3a}button,input,select,textarea{font:inherit}a,button,input,select,summary{touch-action:manipulation}:focus-visible{outline:3px solid #225d84;outline-offset:4px}.wrap{max-width:1280px}.sec{padding:96px 0}.sec-h{margin-bottom:42px}.sec-h h2{font-size:clamp(28px,3vw,40px);line-height:1.3}.sec-h .sub,.lead{font-size:17px;line-height:1.75}.tag{letter-spacing:.18em;font-size:12px}.prod,.card,.case,.feat,.pain,.bn,.mock-card,.map-card,.form,.loop-card{border-radius:var(--radius-card)}.prod,.card,.map-card{box-shadow:var(--shadow-card)}.prod h3{font-size:23px;font-weight:500}.prod li,.list-check li,.sc-body p,.tbl .tr p{font-size:16px;line-height:1.75}.hero-inner{gap:48px;padding:80px 24px}.hero h1{font-size:clamp(38px,4.2vw,56px);line-height:1.2;letter-spacing:0}.hero .lead{max-width:600px;color:#d9e7f2}.hero-meta{gap:28px}.hm .n{font-size:34px;font-variant-numeric:tabular-nums}.hm .l,.hero-note,.mock-note,.mock-kpi .l{color:#d2e2ed;font-size:13px}.hero-note{max-width:550px;line-height:1.65}.mock-kpi .n{color:#fff!important;font-size:25px;line-height:1.25}.mock-kpis{gap:8px}.mock-kpi{padding:16px 6px;border-top:2px solid #7bafcf}.mock-kpi:nth-child(2){border-color:#ffb18b}.mock-kpi:nth-child(3){border-color:#92c9ab}.mock-workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:22px 2px}.mock-workflow span{background:rgba(255,255,255,.08);padding:12px 5px;text-align:center;font-size:13px;border:1px solid #ffffff30;border-radius:8px}.float-tag{font-size:12px;padding:7px 11px;animation:none}.hero-mock .float-tag{right:12px!important;left:auto!important;top:-18px!important;bottom:auto!important}.hero-mock{padding:10px 0}.hero h1+.lead strong{display:block;color:white;margin-bottom:8px;font-size:19px}
.site-header{position:sticky;top:0;z-index:1001;background:#fff;border-bottom:1px solid #e9ecef;backdrop-filter:none}.nav-shell{max-width:1600px;padding:0 32px;margin:auto;display:flex;align-items:center;gap:28px;height:88px}.brand-lockup{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);flex-shrink:0}.brand-lockup img{object-fit:contain}.brand-lockup b{display:block;font-size:20px;line-height:1.3}.brand-lockup small{display:block;font-size:11px;color:#667787;margin-top:3px}.primary-nav{display:flex;align-items:stretch;align-self:stretch;gap:28px;margin:auto}.nav-top{display:flex;align-items:center;position:relative;border:0;padding:0;background:none;font-size:16px;line-height:1.4;text-decoration:none;white-space:nowrap;color:#333;cursor:pointer}.nav-top:after{content:"";height:3px;background:var(--acc);position:absolute;left:0;right:0;bottom:0;transform:scaleX(0);transition:transform .18s}.nav-top[aria-expanded=true],.nav-top.current{font-weight:700;color:#111}.nav-top[aria-expanded=true]:after,.nav-top.current:after{transform:scaleX(1)}.nav-top:hover{color:var(--acc)}.header-actions{display:flex;align-items:center;gap:20px;flex-shrink:0}.header-phone{display:flex;align-items:center;gap:8px;color:var(--ink);font-size:12px;text-decoration:none}.header-phone svg{width:20px;height:20px}.header-demo{padding:10px 17px;font-size:13px;white-space:nowrap}.mobile-toggle{display:none;border:0;background:none;color:var(--ink);padding:8px}.mega-panel{position:absolute;top:100%;left:0;right:0;background:#fff;border-top:1px solid #eee;box-shadow:0 18px 25px #0a25400c;max-height:calc(100vh - 88px);overflow:auto}.mega-inner{max-width:1360px;margin:auto;position:relative;padding:36px 56px 52px}.mega-columns{display:grid;grid-template-columns:1.1fr 1.1fr 1fr;gap:64px}.mega-group h2{font-size:23px;line-height:1.4;font-weight:500;color:#303030;padding:0 0 16px;border-bottom:1px solid #dedede;margin:0 0 16px}.mega-links{display:flex;flex-direction:column;align-items:flex-start;gap:3px}.mega-links a{font-size:16px;line-height:1.6;padding:9px 0;color:#606060;text-decoration:none;max-width:100%;}.mega-links a:hover{color:var(--acc);text-decoration:underline;text-underline-offset:5px}.mega-close{position:absolute;right:8px;top:22px;border:0;background:none;cursor:pointer;padding:10px;color:#222}.nav-scrim{position:fixed;inset:88px 0 0;background:#0a254026;z-index:1000}.mobile-navigation{display:none}.nav-top:focus-visible,.mega-links a:focus-visible{outline-offset:5px}
#service{padding-top:64px!important;min-height:0}#service .feat-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}#service .feat{padding:24px;min-height:0}#service .feat b{font-size:19px;color:var(--ink)}#service .feat p{font-size:15px}.bn{padding:28px 24px}.bn .n{font-size:48px;font-variant-numeric:tabular-nums}.bn .l{font-size:15px}.region-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}.region-list div{padding:18px;background:var(--surface);border-left:3px solid var(--blue);border-radius:8px}.region-list b{display:block;font-size:18px}.region-list span{display:block;font-size:13px;color:var(--mut);margin-top:7px}.source-note{font-size:13px;color:var(--mut);margin-top:18px;line-height:1.7}.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}.solution-card{display:flex;flex-direction:column;align-items:flex-start;gap:12px;border:1px solid #dfe7ee;padding:24px;border-radius:16px;color:var(--ink);background:#fff;box-shadow:var(--shadow-card);text-decoration:none}.solution-card svg{color:var(--acc)}.solution-card h3{font-size:20px;line-height:1.45;font-weight:500}.solution-card p{font-size:15px;color:var(--mut);line-height:1.75}.solution-card span{font-size:14px;color:var(--acc);margin-top:auto}.solution-card:hover{border-color:var(--acc)}.duo{gap:36px}.f-grid{gap:32px}.f-grid a{font-size:14px;color:#c5d5e0}.f-bot,.f-bot a{font-size:13px;color:#d5e2eb}.policy-links{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;padding:18px 24px;border-top:1px solid #ffffff20}.policy-links a{color:#d5e2eb;font-size:13px;text-decoration:none}.form{padding:32px}.form label{font-size:15px}.form input,.form select{font-size:16px;min-height:44px}.field-error{font-size:13px;color:#af261c;margin-top:5px;min-height:0}.field-error:empty{display:none}.form [aria-invalid=true]{border-color:#af261c}.form .privacy-consent{display:flex;align-items:flex-start;gap:10px;font-weight:400;font-size:13px;line-height:1.7;margin-top:20px}.privacy-consent input{width:18px;height:18px;min-height:18px;flex-shrink:0;margin-top:3px}.privacy-consent a{color:var(--blue);text-decoration:underline}.form-ok{color:var(--ink)}.form-ok svg{width:48px;height:48px;color:#26734b;margin:0 auto 18px}.contact-points{display:grid;gap:12px;margin-top:24px}.contact-points span{display:flex;align-items:center;gap:12px;color:#d9e7f2;font-size:14px}.contact-points svg{width:20px;height:20px;flex-shrink:0}.landing-hero{padding:70px 0;background:linear-gradient(135deg,#0a2540,#12496b);color:#fff}.landing-hero h1{font-size:clamp(34px,4vw,54px);line-height:1.25;max-width:850px}.landing-hero p{font-size:18px;max-width:780px;color:#d9e7f2;margin:20px 0 28px}.landing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.landing-grid article{padding:28px;border:1px solid #dfe7ee;border-radius:16px;background:#fff}.landing-grid h2,.landing-grid h3{font-size:22px;font-weight:500;margin-bottom:14px}.landing-grid p,.landing-grid li{font-size:16px;color:#536577}.landing-grid ul{padding-left:20px}.editorial{max-width:900px;margin:auto}.editorial h2{margin:40px 0 16px;font-size:27px}.editorial p,.editorial li{font-size:17px;line-height:1.85}.editorial ul{padding-left:22px}.editorial a{color:var(--blue)}.editorial .note{background:var(--surface);padding:24px;border-left:3px solid var(--blue);margin:24px 0}.landing-feature{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.landing-feature img{width:100%;height:auto;border-radius:16px}.landing-feature figcaption{font-size:13px;color:var(--mut);margin-top:10px}.resource-tabs{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.resource-tabs button{padding:10px 20px;border-radius:8px;border:1px solid var(--hair);background:#fff;color:var(--ink);cursor:pointer}.resource-tabs button[aria-selected=true]{background:var(--ink);color:#fff}.resource-list{display:grid;gap:16px}.resource-link{display:block;border:1px solid var(--hair);border-radius:12px;padding:24px;color:var(--ink);text-decoration:none}.resource-link time{display:block;color:var(--mut);font-size:13px}.resource-link h3{font-size:21px;margin:8px 0}.resource-link p{font-size:15px;color:var(--mut)}.empty-message{padding:32px;background:var(--surface);border-radius:12px;color:var(--mut)}.reading-note{font-size:13px;color:var(--mut);margin:16px 0}.skip-link{position:fixed;left:20px;top:-100px;z-index:1100;background:#fff;padding:12px 20px;color:var(--ink)}.skip-link:focus{top:10px}
@media(min-width:1101px) and (max-width:1450px){.nav-shell{gap:22px;padding:0 24px}.primary-nav{gap:22px}.header-phone{display:none}.brand-lockup b{font-size:18px}.brand-lockup small{font-size:10px}.header-actions{gap:12px}}
@media(max-width:1100px){.primary-nav,.header-phone{display:none}.nav-shell{height:76px;padding:0 20px;gap:16px}.header-actions{margin-left:auto;gap:10px}.mobile-toggle{display:block}.mobile-navigation:not([hidden]){display:flex;flex-direction:column;max-height:calc(100dvh - 76px);overflow:auto;padding:12px 24px 28px;background:#fff}.mobile-navigation>a,.mobile-navigation summary{padding:15px 0;border-bottom:1px solid #e8ecef;list-style:none;text-decoration:none;color:var(--ink);font-size:17px;cursor:pointer}.mobile-navigation summary::-webkit-details-marker{display:none}.mobile-navigation summary:after{content:'+';float:right;font-size:22px}.mobile-navigation details[open]>summary:after{content:'−'}.mobile-group{padding:14px 0 14px 16px}.mobile-group h3{font-size:14px;color:var(--mut);margin-bottom:8px}.mobile-group a{display:block;padding:9px 0;font-size:15px;color:var(--ink);text-decoration:none}.mega-panel,.nav-scrim{display:none!important}.brand-lockup b{font-size:18px}.brand-lockup small{font-size:10px}.hero-inner{grid-template-columns:1fr;gap:32px}.hero-mock{display:block;max-width:600px;width:100%;margin:auto}.hero h1{font-size:42px}.hero-meta{gap:24px}.hero .lead{max-width:680px}.sec{padding:64px 0}#service .feat-row{grid-template-columns:1fr 1fr}.duo{grid-template-columns:1fr}.landing-grid{grid-template-columns:1fr 1fr}.mega-inner{padding:30px}.landing-feature{gap:28px}}
@media(max-width:600px){.nav-shell{padding:0 12px;height:72px;gap:10px}.brand-lockup{gap:7px}.brand-lockup img{width:35px;height:35px}.brand-lockup b{font-size:15px}.brand-lockup small{font-size:9px;letter-spacing:0}.header-demo{font-size:12px;padding:9px 10px}.header-actions{gap:4px}.mobile-toggle{padding:6px}.wrap{padding-left:20px;padding-right:20px}.hero-inner{padding:52px 20px}.hero h1{font-size:36px}.hero .lead{font-size:16px}.hero-meta{display:grid;grid-template-columns:1fr 1fr;gap:24px}.hm .n{font-size:32px}.hero-mock{margin-top:12px}.mock-kpis{grid-template-columns:1fr 1fr}.mock-workflow{grid-template-columns:1fr 1fr}.float-tag{position:static!important;margin:12px 0 0;display:block;font-size:12px;box-shadow:none;background:#ffffff15;color:#fff}.big-nums{gap:12px}.bn{padding:20px 14px}.bn .n{font-size:34px}.bn .l{font-size:13px}.region-list,.solution-grid,.landing-grid,.landing-feature{grid-template-columns:1fr}.sec-h{margin-bottom:28px}#service .feat-row{grid-template-columns:1fr}.form{padding:24px 18px}.prod,.card{padding:24px}.landing-hero{padding:48px 0}.landing-hero h1{font-size:34px}.landing-hero p{font-size:16px}.f-grid{grid-template-columns:1fr 1fr;gap:28px}.f-grid>div:first-child{grid-column:1/-1}.f-bot{font-size:12px}.policy-links{gap:12px 20px}.pain-grid{grid-template-columns:1fr}.case .kpis{gap:20px}.trust-inner{gap:16px}.ti{align-items:flex-start}.ti b{font-size:13px}.ti .mut{font-size:12px}.landing-feature figure{margin:0}.form-ok{padding:20px 0}}
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.site-header:has([data-mega][aria-expanded="true"]) .nav-top.current:not([aria-expanded="true"])::after{background:transparent}
