:root{--ink:#07131f;--cyan:#31d7e8;--cyan-deep:#0b7180;--paper:#f2f5f4;--white:#fff;--muted:#60717a;--line:rgba(7,19,31,.14);--content:1180px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
.wrap{width:min(var(--content),calc(100% - 48px));margin:auto}
.site-header{position:fixed;z-index:30;left:0;top:0;width:100%;height:76px;padding:0 max(24px,calc((100vw - var(--content))/2));display:flex;align-items:center;justify-content:space-between;color:#fff;border-bottom:1px solid rgba(255,255,255,.15);background:rgba(5,16,26,.94);box-shadow:0 10px 30px rgba(5,16,26,.16);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.brand{display:flex;align-items:center;gap:12px}.mark{display:grid;place-items:center;width:42px;height:42px;color:var(--ink);background:var(--cyan);font:800 15px Arial;clip-path:polygon(14% 0,100% 0,100% 86%,86% 100%,0 100%,0 14%)}
.brand-copy{display:grid;line-height:1.25}.brand-copy strong{letter-spacing:.12em}.brand-copy small{margin-top:4px;color:rgba(255,255,255,.5);font:10px Arial;letter-spacing:.12em}
.site-nav{display:flex;gap:34px}.site-nav a{color:rgba(255,255,255,.7);font-size:14px}.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--cyan)}
.header-link{padding:8px 14px;border:1px solid rgba(255,255,255,.28);font-size:14px;white-space:nowrap}.header-link:hover{border-color:var(--cyan);color:var(--cyan)}
.hero{position:relative;overflow:hidden;min-height:790px;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:72px;padding:132px max(24px,calc((100vw - var(--content))/2)) 78px;color:#fff;background:radial-gradient(circle at 78% 46%,rgba(49,215,232,.14),transparent 27%),linear-gradient(135deg,#081724,#06111b 58%,#091d2b)}
.hero:before,.page-hero:before{content:"";position:absolute;inset:0;opacity:.16;background-image:linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);background-size:64px 64px}
.hero-copy,.visual,.page-hero-inner{position:relative;z-index:1}.eyebrow,.label{margin:0 0 24px;color:#147381;font:700 12px Arial;letter-spacing:.17em}.eyebrow{color:var(--cyan)}
.hero h1{margin:0;font-size:clamp(3.4rem,6.2vw,6.2rem);line-height:1.03;letter-spacing:-.055em}.hero h1 span{display:block;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.55)}
.hero .intro{max-width:610px;margin:30px 0 0;color:rgba(255,255,255,.66);font-size:17px;line-height:1.9}
.buttons{display:flex;align-items:center;gap:28px;margin-top:38px}.primary,.outline-button{display:inline-block;padding:13px 21px;font-weight:700;white-space:nowrap}.primary{color:var(--ink);background:var(--cyan)}.primary:hover{background:#74e6f0}.secondary{color:rgba(255,255,255,.72);font-size:14px}.secondary:hover{color:var(--cyan)}
.visual{justify-self:end;width:min(100%,460px);aspect-ratio:1/1.08;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.025)}.status{position:absolute;top:24px;left:24px;color:rgba(255,255,255,.55);font:10px Arial;letter-spacing:.13em}.status:before{content:"";display:inline-block;width:7px;height:7px;margin-right:9px;border-radius:50%;background:var(--cyan)}
.number{position:absolute;top:24%;left:50%;display:flex;transform:translateX(-50%);font:800 clamp(5.4rem,10vw,9rem)/1 Arial;letter-spacing:-.1em}.number b:nth-child(2){color:var(--cyan);transform:translateY(13%)}.number b:nth-child(3){color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.55);transform:translateY(26%)}
.visual-text{position:absolute;left:34px;bottom:38px}.visual-text small{display:block;color:var(--cyan);font:10px Arial;letter-spacing:.18em}.visual-text strong{display:block;margin-top:8px;font-size:18px;letter-spacing:.08em}
.block{padding:104px 0}.heading{display:grid;grid-template-columns:1.15fr .85fr;gap:90px;align-items:end;margin-bottom:58px}.heading h2,.dark h2,.about h2,.contact h2{margin:0;font-size:clamp(2.5rem,4.6vw,4.5rem);line-height:1.08;letter-spacing:-.045em}.heading>p{margin:0;color:var(--muted);font-size:17px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.card{min-height:370px;padding:34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.36)}.card-num{color:#0a7180;font:700 12px Arial}.card h3{margin:66px 0 18px;font-size:24px}.card p{margin:0;color:var(--muted)}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px}.tags span{padding:5px 9px;border:1px solid var(--line);color:#52636c;font-size:12px}
.section-link{display:inline-flex;align-items:center;gap:12px;margin-top:34px;padding-bottom:5px;border-bottom:1px solid var(--ink);font-weight:700}.section-link:hover{color:var(--cyan-deep);border-color:var(--cyan-deep)}
.dark{display:grid;grid-template-columns:.8fr 1.2fr;gap:100px;padding:104px max(24px,calc((100vw - var(--content))/2));color:#fff;background:var(--ink)}.dark .label{color:var(--cyan)}.dark-intro>p:last-child{max-width:430px;margin-top:28px;color:rgba(255,255,255,.56)}
.dark-link{display:inline-flex;margin-top:28px;padding-bottom:5px;border-bottom:1px solid var(--cyan);color:var(--cyan);font-weight:700}.dark-link:hover{color:#fff;border-color:#fff}
.steps{margin:0;padding:0;list-style:none;border-top:1px solid rgba(255,255,255,.15)}.steps li{display:grid;grid-template-columns:50px 1fr;gap:20px;padding:24px 4px;border-bottom:1px solid rgba(255,255,255,.15)}.steps small{color:var(--cyan)}.steps h3{margin:0 0 4px;font-size:21px}.steps p{margin:0;color:rgba(255,255,255,.5);font-size:14px}
.about{display:grid;grid-template-columns:.9fr 1.1fr;min-height:520px;background:#fff;box-shadow:0 30px 80px rgba(7,19,31,.08)}.about-art{display:grid;place-items:center;position:relative;overflow:hidden;background:#e4ecec;background-image:linear-gradient(rgba(7,19,31,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(7,19,31,.08) 1px,transparent 1px);background-size:42px 42px}.about-art:before,.about-art:after{content:"";position:absolute;border:1px solid rgba(7,19,31,.18);border-radius:50%}.about-art:before{width:290px;height:290px}.about-art:after{width:420px;height:420px}.art-core{position:relative;z-index:1;display:grid;place-items:center;width:132px;height:132px;transform:rotate(45deg);color:var(--ink);background:var(--cyan);font:800 34px Arial;box-shadow:0 20px 60px rgba(7,19,31,.2)}.art-core span{transform:rotate(-45deg)}
.about-copy{display:flex;flex-direction:column;justify-content:center;padding:65px 72px}.about-copy>p:not(.label){margin:28px 0 0;color:var(--muted);font-size:17px}.values{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}.values strong{display:block}.values span{color:var(--muted);font-size:13px}
.contact{display:grid;grid-template-columns:1.15fr .85fr;gap:80px;align-items:end;padding:96px max(24px,calc((100vw - var(--content))/2));color:#fff;background:#0b7180}.contact .label{color:var(--cyan)}.contact-copy>p:last-child{max-width:620px;color:rgba(255,255,255,.72)}address{padding:27px;border:1px solid rgba(255,255,255,.3);background:rgba(5,29,39,.18);font-style:normal}address small{display:block;color:rgba(255,255,255,.55);font:10px Arial;letter-spacing:.15em}address strong{display:block;margin-top:9px;font-size:17px}
.contact-link{display:inline-flex;margin-top:24px;padding:10px 18px;color:var(--ink);background:var(--cyan);font-weight:700}.contact-link:hover{background:#74e6f0}
.page-hero{position:relative;overflow:hidden;min-height:540px;padding:158px max(24px,calc((100vw - var(--content))/2)) 82px;color:#fff;background:radial-gradient(circle at 82% 46%,rgba(49,215,232,.16),transparent 24%),linear-gradient(135deg,#081724,#06111b 58%,#091d2b)}.page-hero-inner{max-width:850px}.page-hero h1{max-width:760px;margin:0;font-size:clamp(3rem,6vw,5.5rem);line-height:1.06;letter-spacing:-.05em}.page-hero .lead{max-width:680px;margin:26px 0 0;color:rgba(255,255,255,.68);font-size:18px}.page-hero .crumb{margin:0 0 22px;color:var(--cyan);font:700 12px Arial;letter-spacing:.16em}.page-hero .crumb a{color:rgba(255,255,255,.6)}
.content-section{padding:88px 0}.content-section+.content-section{border-top:1px solid var(--line)}.content-section h2{max-width:780px;margin:0;font-size:clamp(2.2rem,4vw,3.8rem);line-height:1.15;letter-spacing:-.04em}.section-intro{max-width:720px;margin:22px 0 48px;color:var(--muted);font-size:17px}
.service-list{display:grid;grid-template-columns:1.2fr .8fr;gap:0;border-top:1px solid var(--line)}.service-item{display:contents}.service-title,.service-detail{padding:34px 0;border-bottom:1px solid var(--line)}.service-title{padding-right:50px}.service-title small{display:block;color:var(--cyan-deep);font:700 12px Arial}.service-title h3{margin:12px 0 0;font-size:27px}.service-detail p{margin:0;color:var(--muted)}.service-detail ul{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px;margin:18px 0 0;padding:0;list-style:none;font-size:14px}.service-detail li:before{content:"+";margin-right:8px;color:var(--cyan-deep)}
.feature-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}.feature-panel{padding:40px;background:#fff}.feature-panel.accent{color:#fff;background:var(--cyan-deep)}.feature-panel h3{margin:0 0 16px;font-size:25px}.feature-panel p{margin:0;color:var(--muted)}.feature-panel.accent p{color:rgba(255,255,255,.72)}
.principles{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line)}.principle{padding:34px 32px 34px 0;border-bottom:1px solid var(--line)}.principle:nth-child(odd){border-right:1px solid var(--line)}.principle:nth-child(even){padding-left:32px}.principle h3{margin:0 0 10px;font-size:24px}.principle p{margin:0;color:var(--muted)}
.detail-columns{display:grid;grid-template-columns:repeat(2,1fr);gap:48px 72px}.detail-group{padding-top:26px;border-top:1px solid var(--line)}.detail-group h3{margin:0 0 12px;font-size:24px}.detail-group p{margin:0;color:var(--muted)}.detail-group dl{margin:22px 0 0}.detail-group dl div{display:grid;grid-template-columns:100px 1fr;gap:18px;padding:10px 0}.detail-group dt{color:var(--cyan-deep);font-weight:700}.detail-group dd{margin:0;color:var(--muted)}
.facts{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}.fact-mark{display:grid;place-items:center;min-height:360px;background:#e4ecec;background-image:linear-gradient(rgba(7,19,31,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(7,19,31,.08) 1px,transparent 1px);background-size:42px 42px}.fact-mark strong{font:800 clamp(5rem,13vw,10rem)/1 Arial;letter-spacing:-.12em}.fact-mark strong span{color:var(--cyan-deep)}.fact-copy h2{margin-top:0}.fact-copy p{color:var(--muted)}.fact-table{margin-top:30px;border-top:1px solid var(--line)}.fact-row{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}.fact-row small{color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px}.contact-address{padding:38px;color:#fff;background:var(--cyan-deep)}.contact-address h2{margin:0 0 28px;font-size:34px}.contact-address address{padding:0;border:0;background:transparent}.contact-address address strong{font-size:22px}.contact-address p{margin:28px 0 0;color:rgba(255,255,255,.7)}.prep{padding-top:8px}.prep h2{margin:0 0 24px;font-size:34px}.checklist{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}.checklist li{padding:18px 0;border-bottom:1px solid var(--line)}.checklist strong{display:block}.checklist span{color:var(--muted);font-size:14px}
.next-page{display:flex;justify-content:space-between;align-items:center;gap:32px;padding:56px max(24px,calc((100vw - var(--content))/2));color:#fff;background:var(--ink)}.next-page small{display:block;color:var(--cyan);font:11px Arial;letter-spacing:.14em}.next-page strong{display:block;margin-top:8px;font-size:clamp(1.8rem,4vw,3.4rem);line-height:1.2}.next-page .arrow{font-size:42px;color:var(--cyan)}
.site-footer{display:grid;grid-template-columns:1fr auto auto;gap:36px;align-items:center;min-height:102px;padding:0 max(24px,calc((100vw - var(--content))/2));color:rgba(255,255,255,.45);background:#05101a;font-size:12px}.foot-brand{color:#fff;font-weight:700}.foot-brand span{margin-right:8px;color:var(--cyan)}.footer-links{display:flex;gap:22px}.footer-links a:hover{color:var(--cyan)}.icp{position:fixed;z-index:20;right:16px;bottom:14px;padding:7px 11px;color:rgba(255,255,255,.75);background:rgba(5,16,26,.88);border:1px solid rgba(255,255,255,.16);font-size:12px;line-height:1}.icp:hover{border-color:var(--cyan);color:#fff}
a:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}
@media(max-width:900px){.site-nav{display:none}.hero{grid-template-columns:1fr}.visual{justify-self:center;width:min(78vw,480px)}.block{padding:84px 0}.heading,.dark,.about,.contact,.facts,.contact-grid{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.dark{gap:55px}.about-art{min-height:400px}.service-list{grid-template-columns:1fr}.service-item{display:block;border-bottom:1px solid var(--line)}.service-title,.service-detail{border:0}.service-title{padding-bottom:10px}.service-detail{padding-top:0}.feature-grid,.detail-columns{grid-template-columns:1fr}.site-footer{grid-template-columns:1fr 1fr;padding-top:28px;padding-bottom:50px}.site-footer .footer-links{grid-column:1/-1;order:3}}
@media(max-width:560px){.site-header{width:100%;padding:0 20px}.brand-copy small{display:none}.header-link{font-size:13px}.hero{padding:116px 20px 64px}.hero h1{font-size:3.05rem}.buttons{align-items:flex-start;flex-direction:column;gap:18px}.visual{width:100%}.number{font-size:27vw}.wrap{width:calc(100% - 40px)}.block,.content-section{padding:68px 0}.heading{grid-template-columns:1fr;gap:24px}.heading h2,.dark h2,.about h2,.contact h2{font-size:2.5rem}.card{min-height:auto}.card h3{margin-top:40px}.dark,.contact{padding:68px 20px}.about-copy{padding:46px 24px}.values,.principles{grid-template-columns:1fr}.principle:nth-child(odd){border-right:0}.principle:nth-child(even){padding-left:0}.page-hero{min-height:480px;padding:132px 20px 66px}.page-hero h1{font-size:3rem}.service-detail ul{grid-template-columns:1fr}.feature-panel{padding:28px}.facts{gap:36px}.fact-mark{min-height:260px}.fact-row{grid-template-columns:100px 1fr}.contact-grid{gap:30px}.contact-address{padding:28px}.next-page{padding:44px 20px}.next-page .arrow{font-size:30px}.site-footer{grid-template-columns:1fr;gap:7px}.footer-links{flex-wrap:wrap}.icp{right:8px;bottom:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}