.kr-first *{box-sizing:border-box}.kr-first{margin:0;background:#102e38;font-family:Inter,"Microsoft YaHei","PingFang SC",sans-serif;color:#fff}.kr-first a{color:inherit;text-decoration:none}.kr-first button,.kr-first input{font:inherit}.kr-first button,.kr-first a{ -webkit-tap-highlight-color:transparent}.kr-first button{cursor:pointer}.kr-first button:focus-visible,.kr-first a:focus-visible,.kr-first input:focus-visible{outline:2px solid #fff;outline-offset:5px}.kr-first .k-hero{height:100svh;min-height:720px;position:relative;isolation:isolate;overflow:hidden;background:#143843 url('../img/banner-concept.png') center/cover no-repeat}.kr-first .k-hero:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(7,24,31,.24),rgba(7,24,31,.04) 45%,rgba(7,24,31,.5))}.kr-first .k-header{display:flex;align-items:center;justify-content:space-between;gap:24px;width:calc(100% - 112px);max-width:1640px;margin:auto;padding-top:34px}.kr-first .k-logo{font-size:30px;font-weight:800;letter-spacing:2px;line-height:1}.kr-first .k-logo small{display:block;font-size:8px;letter-spacing:3px;margin-top:9px;font-weight:500}.kr-first .k-glass{background:rgba(239,249,249,.13);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.27);box-shadow:inset 0 1px rgba(255,255,255,.1)}.kr-first nav{display:flex;gap:3px;padding:5px;border-radius:99px}.kr-first nav a{border:0;background:none;border-radius:99px;color:#fff;font-size:13px;padding:13px 22px;transition:.2s}.kr-first nav a:hover{background:#ffffff21}.kr-first nav a.active{background:#fff;color:#203a43}.kr-first .k-quote{display:flex;align-items:center;gap:25px;background:#fff;color:#193742;border:0;border-radius:40px;padding:5px 6px 5px 20px;font-size:13px;font-weight:600}.kr-first .k-arrow{border-radius:50%;background:#244956;color:#fff;width:34px;height:34px;display:grid;place-items:center;font-size:20px;transition:transform .2s}.kr-first .k-quote:hover .k-arrow{transform:rotate(45deg)}.kr-first .k-center{position:absolute;left:24px;right:24px;top:45%;transform:translateY(-50%);text-align:center}.kr-first .k-eyebrow{font-size:10px;letter-spacing:4px;margin:0 0 30px;color:#d2e7e8}.kr-first .k-center h1{font-size:clamp(40px,4.35vw,78px);letter-spacing:3px;line-height:1.32;font-weight:550;margin:0;text-shadow:0 2px 28px #09252c22}.kr-first .k-center h1 span{display:block;color:#dcebed;font-weight:350}.kr-first .k-intro{font-size:14px;line-height:2;letter-spacing:2px;color:#deeaec;margin:24px 0 30px}.kr-first .k-materials{display:flex;align-items:center;justify-content:center;gap:8px}.kr-first .k-materials a{border:1px solid #ffffff38;border-radius:30px;background:#ffffff09;color:#fff;padding:9px 20px;font-size:12px;letter-spacing:1px;transition:.2s}.kr-first .k-materials a:hover,.kr-first .k-materials a.selected{background:#fff;color:#21424d}.kr-first .k-contact-bar{position:absolute;bottom:104px;left:50%;transform:translateX(-50%);width:min(860px,calc(100% - 80px));border-radius:60px;display:flex;align-items:center;padding:10px 12px 10px 28px;gap:24px}.kr-first .k-contact-item{display:flex;align-items:center;gap:13px;min-width:0}.kr-first .k-contact-item svg{width:19px;height:19px;fill:none;stroke:#dcebed;stroke-width:1.4;flex-shrink:0}.kr-first .k-contact-item small{display:block;color:#d8e5e7;font-size:10px;margin-bottom:5px;letter-spacing:.5px}.kr-first .k-contact-item strong{display:block;font-size:14px;font-weight:500;white-space:nowrap}.kr-first .k-contact-item a:hover{text-decoration:underline}.kr-first .k-sep{height:28px;width:1px;background:#ffffff26}.kr-first .k-contact-bar .k-quote{margin-left:auto;white-space:nowrap;padding-left:18px;gap:20px}.kr-first .k-bottom{position:absolute;bottom:28px;left:56px;right:56px;display:flex;justify-content:space-between;align-items:center;color:#c9dcdf;font-size:10px;letter-spacing:1px}.kr-first .k-bottom b{font-weight:400}.kr-first .k-bottom a{color:#e6f2f3;background:none;border:0;font-size:11px;letter-spacing:1px}.kr-first .k-bottom a span{margin-left:16px}.kr-first .k-demo-label{opacity:.7;font-size:9px}.kr-first dialog{border:1px solid #ffffff35;border-radius:24px;background:#eff5f3;color:#173d48;width:min(460px,calc(100% - 40px));padding:32px;box-shadow:0 24px 100px #0006}.kr-first dialog::backdrop{background:#06182080;backdrop-filter:blur(8px)}.kr-first dialog h2{font-size:26px;margin:10px 0 18px}.kr-first dialog p{font-size:14px;line-height:1.9;color:#52696e}.kr-first dialog a{display:block;margin:14px 0;font-size:18px}.kr-first .k-close{float:right;border:0;border-radius:50%;background:#173d4810;color:#173d48;width:30px;height:30px;font-size:22px}.kr-first .k-hint{font-size:11px!important;margin-top:24px;color:#688087!important}.kr-first .k-hero{animation:appear .6s ease both}@keyframes appear{from{opacity:0}to{opacity:1}}@media(min-width:1900px){.kr-first .k-center{top:46%}.kr-first .k-contact-bar{bottom:14%}}@media(max-width:1050px){.kr-first .k-header{width:calc(100% - 48px);gap:12px}.kr-first nav a{padding:12px 14px}.kr-first .k-header>.k-quote{gap:10px}.kr-first .k-contact-bar{gap:16px}.kr-first .k-center h1{font-size:52px}.kr-first .k-bottom{left:24px;right:24px}}@media(max-width:700px){.kr-first .k-hero{min-height:760px;background-position:58% center}.kr-first .k-header{padding-top:25px;align-items:flex-start}.kr-first .k-logo{font-size:25px}.kr-first .k-header nav{position:absolute;top:99px;left:50%;transform:translateX(-50%);white-space:nowrap}.kr-first nav a{font-size:11px;padding:11px 14px}.kr-first .k-header>.k-quote{font-size:11px;padding-left:14px}.kr-first .k-arrow{width:30px;height:30px}.kr-first .k-center{top:41%;left:20px;right:20px}.kr-first .k-eyebrow{font-size:8px;letter-spacing:2px;margin-bottom:22px}.kr-first .k-center h1{font-size:38px;letter-spacing:1px}.kr-first .k-intro{font-size:11px;letter-spacing:.6px;margin:20px 0 23px}.kr-first .k-materials a{font-size:10px;padding:8px 15px}.kr-first .k-contact-bar{bottom:75px;width:calc(100% - 40px);border-radius:24px;padding:18px;display:grid;grid-template-columns:1fr auto;gap:16px}.kr-first .k-contact-item{gap:10px}.kr-first .k-contact-item strong{font-size:12px}.kr-first .k-contact-item small{font-size:9px}.kr-first .k-contact-bar .k-sep{display:none}.kr-first .k-contact-item:nth-of-type(3){grid-column:1}.kr-first .k-contact-bar>.k-quote{grid-column:2;grid-row:1/3;padding:12px;border-radius:18px;flex-direction:column;gap:10px;font-size:11px}.kr-first .k-bottom{left:20px;right:20px;bottom:20px;font-size:8px}.kr-first .k-bottom a{display:none}.kr-first .k-bottom b{max-width:50%;line-height:1.7}.kr-first .k-demo-label{max-width:40%;text-align:right;line-height:1.7}}@media(prefers-reduced-motion:reduce){.kr-first *,.kr-first *:before{animation:none!important;transition:none!important}}.kr-first{font-weight:500}.kr-first .k-logo{font-weight:900}.kr-first .k-logo small{font-weight:600}.kr-first nav a,.kr-first .k-eyebrow,.kr-first .k-intro,.kr-first .k-materials a,.kr-first .k-contact-item small,.kr-first .k-bottom a,.kr-first .k-demo-label{font-weight:500}.kr-first .k-quote{font-weight:700}.kr-first .k-contact-item strong{font-weight:600}.kr-first .k-bottom b{font-weight:500}.kr-first .k-close{font-weight:500}.kr-first dialog h2{font-weight:800}.kr-first .k-materials a{font-size:15.6px;padding:11.7px 26px;letter-spacing:1.3px}
@media(max-width:700px){.kr-first .k-materials a{font-size:13px;padding:10.4px 19.5px}}.kr-first .k-contact-item small{font-size:12px}
@media(max-width:700px){.kr-first .k-contact-item small{font-size:11px}}
.kr-first{font-family:Inter,"Microsoft YaHei","PingFang SC",sans-serif;line-height:normal}
.kr-first .k-hero{color:#fff;scroll-margin-top:0}
.kr-first .k-center h1{color:#fff}.kr-first .k-materials a{display:inline-block}
.kr-first .site-header{position:fixed;inset:0 0 auto;background:transparent;border:0;box-shadow:none;backdrop-filter:none}
.kr-first .k-header{padding-bottom:20px}.kr-first nav.navigation{position:static;display:flex;flex-direction:row;align-items:center;margin:0;max-height:none;overflow:visible;box-shadow:inset 0 1px #ffffff1a}
.kr-first nav.navigation>a{min-height:0;line-height:normal;text-decoration:none}.kr-first nav.navigation>a.active:after{display:none}
.kr-first .site-header:not(.is-scrolled) nav.navigation>a.active{color:#203a43}
.kr-first .menu-toggle{display:none!important}
.kr-first .site-header.is-scrolled{background:rgba(249,252,252,.94);backdrop-filter:blur(18px);box-shadow:0 1px 0 #19374216;color:#193742}
.kr-first .site-header.is-scrolled .k-header{padding-top:14px;padding-bottom:14px}
.kr-first .site-header.is-scrolled nav{background:#e8eff0;border-color:#d6e1e4}
.kr-first .site-header.is-scrolled nav a{color:#193742}.kr-first .site-header.is-scrolled nav a.active{background:#fff;color:#193742}
body:has(.site-header:not(.is-scrolled)) .floating-contact{visibility:hidden;pointer-events:none}
@media(max-width:700px){.kr-first .k-header{height:165px}.kr-first nav.navigation{position:absolute;top:99px;left:50%;transform:translateX(-50%);padding:5px;border-radius:99px;width:max-content;right:auto}.kr-first .site-header.is-scrolled .k-header{height:128px}.kr-first .site-header.is-scrolled nav.navigation{top:72px}}

.kr-first .site-header:not(.is-scrolled) nav.navigation>a{color:#fff}.kr-first .site-header:not(.is-scrolled) nav.navigation>a.active{color:#203a43}

/* 手机首屏：两枚紧凑联系胶囊 */
.kr-first .mobile-contact-pills{display:none}
@media(max-width:700px){
.kr-first .k-contact-bar{display:none}
.kr-first .mobile-contact-pills{position:absolute;bottom:90px;left:50%;transform:translateX(-50%);display:flex;gap:12px;width:calc(100% - 48px);max-width:340px}
.kr-first .mobile-contact-pills a{display:flex;flex:1;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 14px;border:1px solid rgba(255,255,255,.38);border-radius:999px;font-size:14px;font-weight:600;white-space:nowrap;text-decoration:none}
.kr-first .mobile-phone-pill{color:#fff;background:rgba(235,247,249,.14);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.kr-first .mobile-inquiry-pill{color:#193742;background:#fff}
.kr-first .mobile-contact-pills svg{flex-shrink:0}
}
@media(max-width:700px){.kr-first .mobile-phone-pill svg{order:1}}