:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:#142744;background:#fff;scroll-behavior:smooth}
*{box-sizing:border-box}
body{margin:0;min-width:320px}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,a{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:3px solid #5d8cff;outline-offset:4px}
.shell{width:min(100% - 80px,1200px);margin-inline:auto}
.skip-link{position:absolute;top:-100px;left:16px;z-index:10;background:#fff;padding:10px 16px}
.skip-link:focus{top:12px}
.site-header{position:relative;z-index:30;height:88px;border-bottom:1px solid #e7ebf0;background:#fff}
.header-inner,.brand,.main-nav{display:flex;align-items:center}
.header-inner{height:100%;gap:44px}
.brand{gap:11px;font-size:21px;letter-spacing:-.04em;font-weight:800;color:#122b5a;white-space:nowrap}
.brand img,.footer-brand img{border-radius:10px}
.main-nav{margin-left:auto;gap:36px;color:#46556d;font-size:14px;font-weight:600}
.main-nav a:hover,.text-link:hover,.footer-bottom a:hover{color:#2169dc}
.menu-toggle,.mobile-nav{display:none}
.mobile-nav[hidden]{display:none}
.hero{background:#f7f9fc}
.hero-grid{display:grid;grid-template-columns:1fr 1.04fr;min-height:620px;align-items:center;gap:66px;padding-block:66px 50px}
.eyebrow,.section-kicker{margin:0;color:#1d61be;font-size:13px;font-weight:800;letter-spacing:.13em}
.eyebrow{display:flex;align-items:center;gap:13px;letter-spacing:.09em}
.eyebrow-line{width:26px;height:2px;background:#2d71d9}
.hero h1{margin:30px 0 22px;color:#0c2145;font-size:clamp(42px,4.25vw,68px);line-height:1.19;letter-spacing:-.055em;font-weight:800}
.hero h1 em{font-style:normal;color:#2268d7}
.hero-description{max-width:510px;margin:0;color:#52647e;font-size:17px;line-height:1.95}
.hero-actions{display:flex;align-items:center;gap:32px;margin-top:37px}
.button{display:inline-flex;justify-content:space-between;align-items:center;gap:40px;min-height:56px;padding:0 23px;border-radius:6px;font-size:15px;font-weight:700}
.button-primary{color:#fff;background:#2268d7;box-shadow:0 12px 25px rgba(25,87,190,.16);transition:background .2s,transform .2s}
.button-primary:hover{background:#174da9;transform:translateY(-2px)}
.text-link{font-size:15px;font-weight:700;color:#1b3760}
.hero-art{position:relative;min-height:456px;overflow:hidden;border-radius:12px;background:radial-gradient(circle at 52% 48%,#254d91 0,#15376f 39%,#0c2145 77%);color:#fff;box-shadow:0 32px 60px rgba(12,33,69,.2)}
.art-grid{position:absolute;inset:0;opacity:.18;background-image:linear-gradient(#8bb4fc 1px,transparent 1px),linear-gradient(90deg,#8bb4fc 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(90deg,transparent,#000 30%,#000 70%,transparent)}
.art-topline,.art-bottomline{position:absolute;z-index:2;left:30px;right:30px;display:flex;justify-content:space-between;gap:10px;color:#a9c8f7;font-size:11px;font-weight:700;letter-spacing:.16em}
.art-topline{top:27px}.art-bottomline{bottom:27px;border-top:1px solid rgba(188,212,249,.26);padding-top:18px}
.art-center{position:absolute;inset:40px 0}
.art-orbit{position:absolute;left:50%;top:50%;border:1px solid rgba(179,211,255,.25);border-radius:50%;transform:translate(-50%,-50%)}
.art-orbit-outer{width:310px;height:310px}.art-orbit-inner{width:215px;height:215px;background:rgba(255,255,255,.035)}
.art-mark{position:absolute;left:50%;top:50%;width:90px;height:90px;display:grid;place-items:center;transform:translate(-50%,-50%);border:1px solid rgba(255,255,255,.35);border-radius:24px;background:rgba(255,255,255,.11);box-shadow:0 0 70px rgba(111,166,255,.42)}
.art-mark img{border-radius:18px}
.art-label{position:absolute;padding:10px 15px;border:1px solid rgba(167,205,255,.45);border-radius:4px;background:rgba(16,49,102,.92);box-shadow:0 12px 32px rgba(0,0,0,.13);font-size:13px;font-weight:700;letter-spacing:.04em}
.art-label-market{left:9%;top:20%}.art-label-trade{right:7%;top:42%}.art-label-community{left:13%;bottom:17%}
.hero-foot{display:flex;align-items:center;gap:20px;height:54px;color:#8190a6;font-size:11px;font-weight:700;letter-spacing:.13em}
.hero-foot-line{width:65px;height:1px;background:#b9c5d5}
.section{padding-block:114px}
.about-grid{display:grid;grid-template-columns:1fr .92fr;gap:110px}
.section h2,.contact-section h2{margin:21px 0 0;color:#10274a;font-size:clamp(32px,3.2vw,48px);line-height:1.32;letter-spacing:-.045em}
.about-copy{padding-top:35px}
.about-copy>p{margin:0 0 34px;color:#50627c;font-size:16px;line-height:2}
.company-detail{display:grid;grid-template-columns:110px 1fr;gap:20px;padding:19px 0;border-top:1px solid #e5eaf1;font-size:14px}
.company-detail span{color:#8190a5}.company-detail strong{font-weight:700;color:#1a3152}
.product-section{background:#f3f6fb}
.product-heading{display:flex;align-items:end;justify-content:space-between;gap:50px;margin-bottom:49px}
.product-heading>p{max-width:310px;margin:0 0 8px;color:#667892;font-size:15px;line-height:1.9}
.feature-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid #d9e1ec}
.feature{min-height:265px;padding:32px 31px 12px 0;border-right:1px solid #d9e1ec}
.feature:not(:first-child){padding-left:31px}.feature:last-child{border-right:0}
.feature-index{color:#8a9cb6;font-size:12px;font-weight:700;letter-spacing:.1em}
.feature-icon{width:44px;height:44px;margin-top:19px;color:#2065d1}.feature-icon svg{width:100%;height:100%}
.feature h3{margin:21px 0 10px;color:#183459;font-size:21px;letter-spacing:-.025em}
.feature p{max-width:300px;margin:0;color:#677891;font-size:14px;line-height:1.8}
.contact-section{padding-block:83px;background:#0d254b;color:#fff}
.contact-inner{display:flex;align-items:center;justify-content:space-between;gap:55px}
.contact-section .section-kicker{color:#8cb9ff}.contact-section h2{color:#fff}.contact-section p:not(.section-kicker){margin:17px 0 0;color:#adc1df;font-size:16px;line-height:1.8}
.contact-email{position:relative;display:flex;flex-direction:column;gap:9px;min-width:335px;padding:23px 25px;border:1px solid #53719c;border-radius:6px;transition:background .2s}
.contact-email:hover{background:#183966}.contact-email>span:first-child{color:#a6bfe4;font-size:12px}.contact-email strong{font-size:18px;font-weight:700;overflow-wrap:anywhere}
.site-footer{background:#091d3a;color:#a3b6d2}
.footer-main{display:flex;align-items:center;gap:34px;min-height:100px;font-size:13px}.footer-brand{display:flex;align-items:center;gap:10px;margin-right:auto;color:#fff;font-size:19px;font-weight:800;letter-spacing:-.04em}
.footer-main a:hover{color:#fff;text-decoration:underline}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0 24px;border-top:1px solid #244063;font-size:12px}
.back-to-top{position:fixed;right:28px;bottom:calc(28px + env(safe-area-inset-bottom));z-index:20;display:grid;place-items:center;width:48px;height:48px;border:1px solid #c8d7ee;border-radius:50%;background:#fff;color:#1b5fc9;box-shadow:0 8px 24px rgba(12,33,69,.16);transition:background .2s,color .2s,transform .2s}
.back-to-top[hidden]{display:none}
.back-to-top:hover{background:#2268d7;color:#fff;transform:translateY(-3px)}
.back-to-top svg{width:22px;height:22px}
@media(max-width:900px){.shell{width:min(100% - 48px,1200px)}.header-inner{gap:24px}.main-nav{gap:20px}.hero-grid{gap:30px;min-height:540px}.hero-art{min-height:390px}.hero h1{font-size:clamp(38px,5vw,54px)}.about-grid{gap:50px}.feature{padding-right:18px}.feature:not(:first-child){padding-left:18px}}
@media(max-width:700px){.shell{width:min(100% - 36px,1200px)}.site-header{height:70px}.header-inner{height:70px;gap:0}.brand{font-size:19px}.brand img{width:32px;height:32px}.main-nav{display:none}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:44px;height:44px;margin-left:auto;border:1px solid #d4deed;border-radius:6px;background:#fff;color:#153966;cursor:pointer}.menu-toggle span{width:20px;height:2px;border-radius:2px;background:currentColor;transition:transform .2s,opacity .2s}.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(7px) rotate(45deg)}.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-7px) rotate(-45deg)}.mobile-nav:not([hidden]){position:absolute;top:100%;left:0;right:0;display:flex;flex-direction:column;padding:8px 18px 16px;border-top:1px solid #edf1f7;background:#fff;box-shadow:0 18px 30px rgba(12,33,69,.12)}.mobile-nav a{display:flex;align-items:center;min-height:48px;padding:0 4px;border-bottom:1px solid #edf1f7;color:#24456e;font-size:15px;font-weight:600}.mobile-nav a:last-child{border-bottom:0}.hero-grid{display:flex;flex-direction:column;align-items:stretch;gap:38px;padding-block:68px 32px}.hero h1{margin-top:24px;font-size:clamp(42px,9vw,60px)}.hero-description{font-size:15px;line-height:1.85}.hero-actions{gap:22px;margin-top:28px}.button{min-height:50px;padding:0 18px;gap:22px;font-size:13px}.text-link{font-size:13px}.hero-art{min-height:350px}.art-orbit-outer{width:275px;height:275px}.art-orbit-inner{width:190px;height:190px}.art-label{font-size:11px}.hero-foot{height:48px}.section{padding-block:75px}.about-grid{display:block}.about-copy{padding-top:22px}.about-copy>p{font-size:15px}.product-heading{display:block;margin-bottom:25px}.product-heading>p{max-width:530px;margin-top:20px}.feature-list{grid-template-columns:1fr}.feature,.feature:not(:first-child){display:grid;grid-template-columns:40px 48px 1fr;align-items:start;gap:15px;min-height:0;padding:27px 0;border-right:0;border-bottom:1px solid #d9e1ec}.feature:last-child{border-bottom:0}.feature-index{padding-top:8px}.feature-icon{margin:0}.feature h3{margin:1px 0 6px;font-size:18px}.feature p{max-width:none}.contact-section{padding-block:69px}.contact-inner{display:block}.contact-email{margin-top:28px;min-width:0}.footer-main{flex-wrap:wrap;gap:12px 25px;padding-block:30px}.footer-brand{width:100%}.footer-bottom{padding-block:18px 23px}}
@media(max-width:420px){.eyebrow{font-size:11px}.hero h1{font-size:41px}.hero-art{min-height:310px}.art-topline,.art-bottomline{left:18px;right:18px;font-size:9px}.art-orbit-outer{width:245px;height:245px}.art-orbit-inner{width:170px;height:170px}.art-mark{width:72px;height:72px}.art-mark img{width:54px;height:54px}.art-label-market{left:4%;top:23%}.art-label-trade{right:3%;top:45%}.art-label-community{left:7%;bottom:16%}.company-detail{grid-template-columns:75px 1fr;gap:12px}.contact-email strong{font-size:15px}.footer-main{font-size:12px}}
@media(max-width:700px){.back-to-top{right:18px;bottom:calc(18px + env(safe-area-inset-bottom));width:44px;height:44px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}.button-primary,.contact-email,.back-to-top,.menu-toggle span{transition:none}}