:root{--color-bg:#fff;--color-surface:#ffffffc7;--color-text:#17233d;--color-muted:#52647d;--color-accent:#1d4ed8;--color-accent-hover:#153eae;--color-accent-light:#e7f0ff;--color-border:#b1caedc2;--color-shadow:#1d4ed829;--radius-sm:10px;--radius:18px;--radius-lg:26px;--max-width:800px;--shell-width:1120px;--type-page-title:clamp(2.75rem, 5vw, 4rem);--type-section-title:clamp(2rem, 3.2vw, 2.75rem);--type-subsection-title:clamp(1.25rem, 1.8vw, 1.5rem);--type-card-title:1.25rem;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:6.5rem}[id]{scroll-margin-top:6.5rem}body{font-family:var(--font-sans);color:var(--color-text);-webkit-font-smoothing:antialiased;background:#fff;margin:0;line-height:1.7;overflow-x:hidden}.site-nav{backdrop-filter:blur(24px)saturate(165%);z-index:100;background:linear-gradient(120deg,#fffffff5,#f5f9ffe6);border-bottom:1px solid #ffffffd1;justify-content:space-between;align-items:center;width:100%;max-width:none;margin:0;padding:.875rem clamp(1rem,7vw,12rem);display:flex;position:sticky;top:0;box-shadow:0 10px 30px #16449714,inset 0 -1px #a3c2e77a}.brand{color:var(--color-text);align-items:center;gap:.625rem;font-size:1.125rem;font-weight:700;text-decoration:none;display:flex}.brand-mark{background:var(--color-accent);color:#fff;border-radius:var(--radius-sm);letter-spacing:0;justify-content:center;align-items:center;width:2rem;height:2rem;font-size:.8125rem;font-weight:800;display:inline-flex}.brand-logo{object-fit:contain;background:#fff;border:1px solid #c4d5ecb3;border-radius:9px;width:2rem;height:2rem;display:block}.brand-text{flex-direction:column;line-height:1.15;display:flex}.brand-text strong{font-size:1rem}.brand-text small{color:var(--color-muted);font-size:.6875rem;font-weight:500}.nav-toggle{cursor:pointer;background:0 0;border:none;flex-direction:column;gap:4px;padding:.5rem;display:none}.nav-toggle span{background:var(--color-text);border-radius:2px;width:22px;height:2px;transition:transform .2s,opacity .2s;display:block}.nav-links{align-items:center;gap:.125rem;display:flex}.nav-links>a,.nav-links>button{color:var(--color-muted);border-radius:var(--radius-sm);cursor:pointer;border:0;padding:.5rem .7rem;font-family:inherit;font-size:.875rem;font-weight:500;line-height:1.4;text-decoration:none;transition:color .2s,background .2s,box-shadow .2s}.nav-links>a:hover,.nav-links>button:hover{color:var(--color-accent);background:var(--color-accent-light);text-decoration:none}.nav-links>a.is-active,.nav-links>a.is-active:hover{color:#fff;background:linear-gradient(135deg,#2563eb,#173ea5);font-weight:700;text-decoration:none;box-shadow:0 9px 22px #1d4ed847}.nav-dropdown{position:relative}.nav-dropdown summary{color:var(--color-muted);border-radius:var(--radius-sm);cursor:pointer;align-items:center;gap:.35rem;padding:.5rem .7rem;font-size:.875rem;font-weight:500;line-height:1.4;list-style:none;display:flex}.nav-dropdown summary::-webkit-details-marker{display:none}.nav-dropdown summary span{font-size:.8rem;transition:transform .2s}.nav-dropdown[open] summary span{transform:rotate(180deg)}.nav-dropdown summary:hover{color:var(--color-accent);background:var(--color-accent-light)}.nav-dropdown.is-active summary{color:#fff;background:var(--color-accent);font-weight:700}.dropdown-menu{backdrop-filter:blur(20px)saturate(145%);width:290px;box-shadow:0 16px 36px var(--color-shadow);background:#ffffffdb;border:1px solid #bed2edc7;border-radius:14px;grid-template-columns:repeat(2,minmax(130px,1fr));gap:.25rem;padding:.5rem;display:grid;position:absolute;top:calc(100% + .5rem);right:0}.dropdown-menu a{color:var(--color-muted);border-radius:4px;padding:.55rem .65rem;font-size:.8125rem;font-weight:600;text-decoration:none}.dropdown-menu a:hover{color:var(--color-accent);background:var(--color-accent-light)}.dropdown-menu a.is-active{color:#fff;background:var(--color-accent)}.nav-links .nav-phone{color:#fff;background:linear-gradient(135deg,#2563eb,#173ea5);margin-left:.375rem;font-weight:700;box-shadow:0 9px 22px #1d4ed847}.nav-links .nav-phone:hover{color:#fff;background:var(--color-accent-hover);text-decoration:none}main{max-width:var(--max-width);min-height:calc(100vh - 220px);margin:0 auto;padding:2.5rem 1rem 5rem}main.main-wide{max-width:1280px}.skip-link{z-index:1000;background:var(--color-text);color:#fff;padding:.625rem .875rem;position:fixed;top:.75rem;left:.75rem;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}a:focus-visible,button:focus-visible,summary:focus-visible{outline-offset:3px;outline:3px solid #818cf8}a,button,summary{touch-action:manipulation;-webkit-tap-highlight-color:#4f46e529}h1,h2,h3,h4{letter-spacing:0;text-wrap:balance;margin-top:2.5rem;margin-bottom:1rem}h1{font-size:var(--type-page-title);margin-top:0;font-weight:800;line-height:1.08}h2{font-size:var(--type-section-title);border-bottom:1px solid var(--color-border);padding-bottom:.5rem;font-weight:800;line-height:1.18}h3{font-size:var(--type-subsection-title);font-weight:750;line-height:1.3}h4{font-size:1rem;font-weight:750;line-height:1.4}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}p{margin:0 0 1rem}ul,ol{margin:0 0 1.25rem;padding-left:1.5rem}li{margin-bottom:.5rem}.site-footer{border-top:1px solid var(--color-border);backdrop-filter:blur(14px);background:linear-gradient(145deg,#fff,#f2f7ff);padding:3rem 1rem 1.5rem}.footer-inner{max-width:1280px;margin:0 auto}.footer-main{grid-template-columns:minmax(260px,1.1fr) minmax(330px,1.25fr) minmax(260px,.85fr);align-items:start;gap:clamp(1.5rem,4vw,4rem);padding-bottom:2rem;display:grid}.footer-brand{align-items:center;gap:.5rem;margin-bottom:.75rem;font-weight:700;display:flex}.footer-brand span{font-size:1.05rem}.footer-desc{color:var(--color-muted);max-width:30rem;margin-bottom:.75rem}.footer-contact{margin-bottom:0;font-size:1rem}.footer-contact a{font-weight:600}.footer-heading{color:var(--color-accent);text-transform:uppercase;margin:0 0 .85rem;font-size:.82rem;font-weight:800}.channel-list,.consult-channels{margin:0}.channel-list>div,.consult-channels>div{border-top:1px solid #b1caed9e;grid-template-columns:6.5rem minmax(0,1fr);gap:1rem;padding:.55rem 0;display:grid}.channel-list dt,.consult-channels dt{color:var(--color-muted);font-size:.82rem}.channel-list dd,.consult-channels dd{margin:0;font-size:.9rem;font-weight:700}.channel-list dd span,.consult-channels dd span{color:var(--color-muted);margin-top:.15rem;font-size:.76rem;font-weight:500;display:block}.channel-link{color:inherit;text-underline-offset:.22em;text-decoration-color:#2553d64d;text-decoration-thickness:1px;transition:color .16s,text-decoration-color .16s;display:inline-block}.channel-link:hover,.channel-link:focus-visible{color:var(--color-accent);text-decoration-color:currentColor}.footer-wechat{background:#ffffffb8;border:1px solid #b1caedb3;border-radius:16px;align-items:center;gap:1rem;padding:1rem;display:flex;box-shadow:0 14px 30px #3d659d17}.footer-wechat img{object-fit:contain;background:#fff;border:0;border-radius:8px;width:7rem;height:7rem;margin:0}.footer-wechat strong,.footer-wechat span{display:block}.footer-wechat span{color:var(--color-muted);margin-top:.25rem;font-size:.78rem}.footer-copy{color:var(--color-muted);text-align:center;border-top:1px solid #b1caed9e;margin:0;padding-top:1rem;font-size:.875rem}.consult-dialog{width:min(920px,100vw - 2rem);max-height:min(780px,100vh - 2rem);color:var(--color-text);background:linear-gradient(145deg,#fffffffa,#eaf4fff5);border:1px solid #b1caeddb;border-radius:22px;padding:0;overflow:auto;box-shadow:0 32px 90px #1a387147}.consult-dialog::backdrop{backdrop-filter:blur(8px);background:#1323417a}.consult-close{z-index:2;border:1px solid var(--color-border);width:2.5rem;height:2.5rem;color:var(--color-text);cursor:pointer;background:#ffffffd6;border-radius:50%;font-size:1.5rem;line-height:1;position:absolute;top:1rem;right:1rem}.consult-layout{grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);align-items:center;gap:2.5rem;padding:clamp(2rem,5vw,4rem);display:grid}.consult-eyebrow{color:var(--color-accent);margin:0 0 .5rem;font-size:.82rem;font-weight:800}.consult-copy h2{border:0;margin:0 0 1rem;padding:0;font-size:clamp(1.7rem,3vw,2.5rem)}.consult-lead{color:var(--color-muted)}.consult-phone{border:1px solid var(--color-border);background:#ffffffb8;border-radius:12px;justify-content:space-between;align-items:center;gap:1rem;margin:1.25rem 0;padding:.9rem 1rem;text-decoration:none;display:flex}.consult-phone span{color:var(--color-muted);font-size:.82rem}.consult-phone strong{font-size:1.15rem}.consult-qr{border:1px solid var(--color-border);text-align:center;background:#ffffffd6;border-radius:18px;margin:0;padding:1rem;box-shadow:0 18px 36px #3d659d1f}.consult-qr img{border:0;border-radius:10px;width:100%;margin:0;display:block}.consult-qr strong,.consult-qr span{display:block}.consult-qr figcaption{padding-top:.75rem}.consult-qr span{color:var(--color-muted);font-size:.78rem}.card{isolation:isolate;border-radius:var(--radius);backdrop-filter:blur(20px)saturate(145%);background:linear-gradient(145deg,#ffffffe0,#eef7ff94);border:1px solid #ffffffeb;flex-direction:column;padding:1.5rem;transition:transform .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden;box-shadow:0 18px 34px #426ba31a,0 2px 7px #577daf0f,inset 0 1px #ffffffeb}.card:hover{transform:translateY(-2px);box-shadow:0 24px 44px #426ba329,0 4px 10px #577daf12,inset 0 1px #fffffff5}.card:before{content:"";z-index:-1;pointer-events:none;background:linear-gradient(125deg,#ffffff73,#0000 34%,#89c7ff24 100%);position:absolute;inset:0}.card h3{margin-top:0}.card>p:last-of-type{flex-grow:1}.grid,.two-col{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;display:grid}.btn{color:#fff;border-radius:var(--radius-sm);background:linear-gradient(135deg,#2563eb,#173ea5);border:1px solid #173ea5;justify-content:center;align-items:center;gap:.375rem;padding:.625rem 1.25rem;font-size:.9375rem;font-weight:600;text-decoration:none;transition:background .2s,border-color .2s,transform .1s;display:inline-flex;box-shadow:0 9px 22px #1d4ed847}.btn:hover{background:linear-gradient(135deg,#1d4ed8,#102f82);border-color:#102f82;text-decoration:none;transform:translateY(-1px)}.btn-secondary{color:var(--color-accent);border:1px solid var(--color-accent);background:#ffffffbd}.btn-secondary:hover{background:var(--color-accent-light)}.steps{counter-reset:step;padding-left:0;list-style:none}.steps li{margin-bottom:1.25rem;padding-left:2.75rem;position:relative}.steps li:before{counter-increment:step;content:counter(step);background:var(--color-accent);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:1.875rem;height:1.875rem;font-size:.875rem;font-weight:700;display:flex;position:absolute;top:0;left:0}table{border-collapse:collapse;background:var(--color-surface);border-radius:var(--radius);width:100%;box-shadow:0 1px 3px var(--color-shadow);margin:1.5rem 0;font-size:.9375rem;overflow:hidden}th,td{border:1px solid var(--color-border);text-align:left;padding:.875rem}th{background:var(--color-accent-light);font-weight:600}tbody tr:hover{background:#f8fafc}code{background:#f1f5f9;border-radius:4px;padding:.125rem .375rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.875rem}pre{color:#e2e8f0;border-radius:var(--radius);background:#1e293b;padding:1rem;font-size:.875rem;overflow-x:auto}pre code{color:inherit;background:0 0;padding:0}img{border-radius:var(--radius-sm);border:1px solid var(--color-border);max-width:100%;height:auto;margin:1rem 0}blockquote{border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#92400e;background:#fffbeb;border-left:4px solid #f59e0b;margin:1.5rem 0;padding:1rem 1.25rem}blockquote p{margin:0}.badge{color:var(--color-muted);background:#f1f5f9;border-radius:9999px;padding:.25rem .625rem;font-size:.75rem;font-weight:500;display:inline-block}.lead{color:var(--color-muted);font-size:1.125rem;line-height:1.7}main.main-wide .hero{isolation:isolate;backdrop-filter:blur(24px)saturate(165%);position:relative;overflow:hidden;color:var(--color-text)!important;border-radius:var(--radius-lg)!important;background:linear-gradient(135deg,#fffffff5,#e4f2ffbd)!important;border:1px solid #b9d0edd1!important;box-shadow:0 28px 58px #3d659d24,0 3px 10px #5c84b714,inset 0 1px #fffffff5!important}main.main-wide .hero:after{content:"";z-index:-1;filter:blur(5px);background:radial-gradient(circle,#5daeff5c,#a4dcff1f 42%,#0000 70%);border-radius:50%;width:26rem;height:26rem;position:absolute;top:-13rem;right:-9rem}main.main-wide .hero p,main.main-wide .hero .eyebrow{color:var(--color-accent)!important}main.main-wide .hero h1{color:var(--color-text)!important}main.main-wide .hero div>span{color:var(--color-muted)!important}main.main-wide .hero .status{background:#ffffff9e!important;border-color:#b7cde9e6!important;border-radius:14px!important}main.main-wide .hero .status strong{color:var(--color-muted)!important}main.main-wide .shortcuts{backdrop-filter:blur(20px)saturate(150%);margin-top:1rem;overflow:hidden;box-shadow:0 15px 30px #3d659d17,inset 0 1px #ffffffe6;border-radius:var(--radius)!important;background:linear-gradient(135deg,#ffffffd6,#eef7ffa8)!important;border:1px solid #b9d0edd1!important}main.main-wide .shortcuts a{background:0 0!important}main.main-wide .product-grid article,main.main-wide .feature-grid article,main.main-wide .case-grid article,main.main-wide .quote-grid article,main.main-wide .project-grid article,main.main-wide .timeline-grid article,main.main-wide .geo-page,main.main-wide .industries{isolation:isolate;backdrop-filter:blur(20px)saturate(145%);position:relative;overflow:hidden;box-shadow:0 18px 34px #3d659d1a,0 2px 7px #577daf0d,inset 0 1px #fffffff0;border-radius:var(--radius)!important;background:linear-gradient(145deg,#ffffffe6,#ecf6ff9e)!important;border:1px solid #ffffffeb!important}main.main-wide .product-grid article:after,main.main-wide .feature-grid article:after,main.main-wide .case-grid article:after,main.main-wide .quote-grid article:after,main.main-wide .project-grid article:after,main.main-wide .timeline-grid article:after{content:"";z-index:-1;pointer-events:none;background:linear-gradient(125deg,#ffffff61,#0000 38%,#7ebfff1f);position:absolute;inset:0}main.main-wide .feature-grid article,main.main-wide .project-grid article,main.main-wide .timeline-grid article{border-top-width:3px!important}main.main-wide .timeline-grid header{background:#f1f7ff9e}main.main-wide .rule{border-radius:var(--radius-lg);border:1px solid #b9d0edd1;box-shadow:0 14px 32px #3d659d14;color:var(--color-text)!important;background:linear-gradient(135deg,#fffc,#e1f0ffcc)!important}main.main-wide .rule span{color:var(--color-accent)!important}main.main-wide .rule h2{color:var(--color-text)!important}main.main-wide .rule p{color:var(--color-muted)!important}main .highlight-box,main .download-cta,main .cta{backdrop-filter:blur(16px)saturate(135%);box-shadow:0 14px 32px #3d659d14;color:var(--color-text)!important;border-radius:var(--radius-lg)!important;background:linear-gradient(135deg,#ffffffd1,#e1f0ffcc)!important;border:1px solid #b9d0edd1!important}main .highlight-hint{color:var(--color-muted)!important;opacity:1!important}main .highlight-box .btn-large{box-shadow:0 8px 18px #356df633;color:#fff!important;background:linear-gradient(135deg,#2563eb,#173ea5)!important}main:not(.main-wide)>h1:first-child{font-size:var(--type-page-title);margin-bottom:.45rem}@media (width<=980px){:root{--type-page-title:clamp(2.25rem, 9vw, 2.75rem);--type-section-title:clamp(1.75rem, 7vw, 2rem);--type-subsection-title:1.25rem;--type-card-title:1.125rem}.nav-toggle{display:flex}.nav-links{border-bottom:1px solid var(--color-border);box-shadow:0 8px 24px var(--color-shadow);background:#fff;flex-direction:column;gap:.125rem;padding:.5rem 1rem 1rem;display:none;position:absolute;top:100%;left:0;right:0}.nav-links.is-open{display:flex}.nav-links>a,.nav-links>button{text-align:left;width:100%;padding:.75rem;display:block}.nav-dropdown{width:100%}.nav-dropdown summary{width:100%;padding:.75rem}.dropdown-menu{width:auto;box-shadow:none;border-left:2px solid var(--color-border);border-top:0;border-bottom:0;border-right:0;grid-template-columns:1fr;margin:.25rem 0 0 .75rem;padding:.35rem;position:static}.nav-links .nav-phone{margin-left:0;padding-inline:.75rem}.site-nav{position:relative}.footer-main{grid-template-columns:1fr}.footer-wechat{max-width:30rem}.consult-layout{grid-template-columns:1fr;gap:1.5rem;padding:2.75rem 1.25rem 1.5rem}.consult-qr{width:min(100%,19rem);margin:0 auto}}@media (width<=520px){.channel-list>div,.consult-channels>div{grid-template-columns:1fr;gap:.15rem}.footer-wechat{align-items:flex-start}.footer-wechat img{width:6rem;height:6rem}.consult-phone{flex-direction:column;align-items:flex-start;gap:.15rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}