:root{color-scheme:dark;--bg:#071023;--panel:#0e1a31;--line:#263856;--text:#f4f8ff;--muted:#a6b7d1;--blue:#4c9dff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Microsoft YaHei",PingFang SC,system-ui,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:2px solid #82c9ff;outline-offset:4px}.wrap{width:min(1160px,calc(100% - 48px));margin:auto}.skip{position:absolute;left:12px;top:-80px;z-index:20;background:#fff;color:#071023;padding:8px 14px}.skip:focus{top:12px}.site-header{height:78px;border-bottom:1px solid #ffffff17;background:#071023d9;position:relative;z-index:5}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:23px;font-weight:760;letter-spacing:-.05em;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:33px;height:33px;border-radius:11px;background:linear-gradient(135deg,#51e8f6,#126bfa 75%);color:#052043;font-size:22px;font-weight:900;box-shadow:0 0 22px #248eff55}.site-header nav{display:flex;gap:34px;color:#b8c6da;font-size:14px}.site-header nav a:hover,.footer-links a:hover{color:white}.header-link{border:1px solid #416186;border-radius:100px;padding:8px 18px;font-size:14px;white-space:nowrap}.header-link span,.button span{margin-left:12px}.hero{min-height:660px;overflow:hidden;background:radial-gradient(ellipse 44% 65% at 77% 44%,#123e8e88,transparent 80%),radial-gradient(ellipse 45% 50% at 15% 0%,#08245a,transparent 75%),#071023}.hero-grid{min-height:660px;display:grid;grid-template-columns:53% 47%;align-items:center;position:relative}.hero-copy{z-index:2;padding:65px 0 90px}.eyebrow,.kicker{font-size:12px;letter-spacing:.16em;font-weight:700;color:#76b6ff}.eyebrow{display:inline-flex;align-items:center;gap:10px;padding:7px 13px;border:1px solid #3a5e8b;border-radius:100px;background:#2d5ba522;letter-spacing:.08em}.dot{width:7px;height:7px;background:#7be1ff;border-radius:50%;box-shadow:0 0 10px #7be1ff}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(44px,5.3vw,76px);line-height:1.18;letter-spacing:-.065em;margin:27px 0}h1 em{font-style:normal;background:linear-gradient(100deg,#f8fcff 10%,#a5d4ff 65%,#66d6f6);background-clip:text;color:transparent}.lead{font-size:18px;line-height:1.9;color:#c4d2e5;max-width:580px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:35px 0 17px}.button{min-height:53px;display:inline-flex;align-items:center;justify-content:center;padding:0 25px;border-radius:11px;font-size:15px;font-weight:700;transition:transform .18s,background .18s}.button:hover{transform:translateY(-2px)}.primary{background:linear-gradient(105deg,#3984ff,#56c9fa);color:#061629;box-shadow:0 10px 35px #3089ff3a}.secondary{border:1px solid #57749e;background:#10284a7a}.hero-note{font-size:12px;color:#91a5bf}.hero-art{height:540px;position:relative;transform:translateX(20px)}.orb{position:absolute;width:390px;height:390px;border-radius:50%;left:18%;top:13%;background:radial-gradient(circle at 44% 45%,#3eaaff55,#1750aa33 35%,#102c6d22 60%,transparent 70%);filter:blur(4px)}.orbit{position:absolute;border:1px solid #42a8ff99;border-radius:50%;transform:rotate(-25deg);box-shadow:0 0 18px #2a9fff70,inset 0 0 15px #2a9fff20}.orbit-one{width:550px;height:230px;left:0;top:180px}.orbit-two{width:480px;height:190px;left:30px;top:200px;opacity:.38}.art-panel{position:absolute;left:16%;top:15%;width:370px;height:375px;border:1px solid #69bdff99;border-radius:25px;background:linear-gradient(135deg,#265caaad,#112b5ccc 60%,#0b1d40e8);box-shadow:0 15px 70px #176dff33,inset 0 1px 1px #ffffff88;backdrop-filter:blur(8px);transform:perspective(800px) rotateY(-12deg) rotateX(4deg)}.panel-top{height:45px;border-bottom:1px solid #ffffff30;display:flex;align-items:center;gap:7px;padding:0 20px}.panel-top span{width:7px;height:7px;background:#8fcaff;border-radius:50%}.panel-top i{margin-left:auto;font-size:10px;font-style:normal;color:#c7e5ff;letter-spacing:.1em}.panel-symbol{margin:27px 24px 23px;width:105px;height:105px;border:1px solid #8cecff;border-radius:22px;display:grid;place-items:center;background:linear-gradient(135deg,#3ecef0,#1a58df);font-size:75px;color:#dffcff;box-shadow:0 0 25px #58d7fa77}.panel-line{height:10px;width:43%;margin:0 24px 12px;border-radius:20px;background:#388be480}.panel-line.wide{width:65%;background:#4cb9f5}.panel-cards{display:flex;gap:11px;margin:25px 24px}.panel-cards span{width:78px;height:63px;border:1px solid #66b8ff77;border-radius:11px;background:#2273c651;display:grid;place-items:center;font-size:23px;font-weight:700;color:#c5eaff}.float-card{position:absolute;padding:12px 18px;border:1px solid #63baff88;background:#173d79b8;border-radius:9px;box-shadow:0 10px 30px #0005;color:#d9efff;font-size:10px;font-weight:700;letter-spacing:.14em;backdrop-filter:blur(8px)}.float-card span{margin-left:22px}.float-one{top:60px;right:4%}.float-two{bottom:43px;left:0}.intro-band{border-top:1px solid #173255;border-bottom:1px solid #173255;background:#0c1830}.intro-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:21px 0}.intro-inner span{font-size:15px;font-weight:700}.intro-inner p{margin:0;color:var(--muted);font-size:13px}.section{padding:105px 0}.section-heading{max-width:670px;margin-bottom:37px}.kicker{margin-bottom:13px}.section-heading h2,.cta-inner h2{font-size:clamp(30px,3.3vw,45px);line-height:1.3;letter-spacing:-.05em;margin-bottom:13px}.section-heading>p:last-child,.cta-inner p:last-child{color:var(--muted);font-size:15px}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.service-card{min-height:290px;padding:24px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(150deg,#142849,#0b172c 76%);position:relative;transition:transform .2s,border-color .2s}.service-card:hover{transform:translateY(-4px);border-color:#4c95db}.card-index{position:absolute;right:23px;top:23px;color:#7493b8;font-size:11px}.card-icon{width:49px;height:49px;border:1px solid #3b7bbb;border-radius:12px;display:grid;place-items:center;color:#86d8ff;font-size:25px;background:#236cbb32;margin-bottom:27px}.service-card h3{font-size:18px;margin-bottom:9px}.service-card p{font-size:13px;color:var(--muted);min-height:65px}.service-card a{font-size:13px;color:#86c8ff;font-weight:700}.service-card a span{margin-left:6px}.process-section{background:#0a162b;border-block:1px solid #1a3150}.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);padding:0;margin:0;gap:15px}.steps li{border-top:1px solid #476990;padding:24px 5px}.steps span{font-size:12px;color:#75c7ff}.steps h3{font-size:18px;margin:35px 0 6px}.steps p{font-size:13px;color:var(--muted)}.faq-grid{display:grid;grid-template-columns:40% 60%;gap:35px}.faq-list details{border-bottom:1px solid #29405d;padding:19px 0}.faq-list summary{cursor:pointer;list-style:none;font-weight:650;display:flex;justify-content:space-between;gap:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:'+';font-size:22px;color:#73bcff;line-height:1}.faq-list details[open] summary:after{content:'−'}.faq-list details p{max-width:580px;font-size:14px;color:var(--muted);margin:16px 25px 3px 0}.final-cta{padding:57px 0;background:radial-gradient(circle at 88% 50%,#1c5da455,transparent 37%),linear-gradient(110deg,#102344,#0c1a32);border-block:1px solid #294e7b}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}.cta-inner h2{font-size:35px}.cta-inner p:last-child{margin-bottom:0}footer{padding:43px 0;color:#8fa2ba}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}.footer-inner .brand{color:white}.footer-inner p{font-size:12px;margin:8px 0 0}.footer-links{display:flex;gap:25px;font-size:13px}footer small{font-size:12px;white-space:nowrap}@media(max-width:850px){.site-header nav{display:none}.hero-grid{grid-template-columns:1fr}.hero{min-height:0}.hero-grid{min-height:0}.hero-copy{padding:95px 0 65px}.hero-art{display:none}.service-grid{grid-template-columns:repeat(2,1fr)}.faq-grid{grid-template-columns:1fr;gap:0}.section{padding:80px 0}}@media(max-width:600px){.wrap{width:min(100% - 36px,1160px)}.site-header{height:67px}.brand{font-size:21px}.header-link{padding:7px 12px;font-size:12px}.hero-copy{padding:78px 0 82px}.hero{background:radial-gradient(ellipse 85% 45% at 90% 5%,#16448594,transparent 80%),#071023}h1{font-size:clamp(42px,10vw,58px);letter-spacing:-.06em}.lead{font-size:16px}.hero-actions{gap:10px}.button{min-height:51px;padding:0 19px}.intro-inner{display:block}.intro-inner p{margin-top:4px}.section{padding:72px 0}.service-grid{grid-template-columns:1fr;gap:12px}.service-card{min-height:0;padding:22px}.card-icon{margin-bottom:16px}.service-card p{min-height:0}.steps{grid-template-columns:repeat(2,1fr);gap:12px}.steps li{padding:18px 2px}.steps h3{margin:20px 0 4px;font-size:16px}.cta-inner,.footer-inner{display:block}.cta-inner .button{margin-top:25px}.footer-links{margin:27px 0;flex-wrap:wrap}.faq-list details{padding:18px 0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.service-card{transition:none}}

/* v1.1: shared circular brand mark and clearer mobile hierarchy. */
body{overflow-x:hidden}
.brand-mark{display:block;width:36px;height:36px;flex:none;border:0;border-radius:50%;background:none;box-shadow:0 0 22px #348dff40}
.hero{background:radial-gradient(ellipse 53% 72% at 82% 37%,#2469dc75,transparent 78%),radial-gradient(ellipse 45% 50% at 10% 0%,#0b3474,transparent 76%),#071023}
.primary{background:linear-gradient(105deg,#3275ff,#55c8fb);color:#fff;box-shadow:0 10px 35px #3089ff42}
.primary:hover{background:linear-gradient(105deg,#4386ff,#72d2ff)}
.section-heading{max-width:820px}
.service-card{border-color:#315075;border-radius:17px;padding:25px;background:linear-gradient(150deg,#152d52,#0b172c 78%)}
.service-card:hover,.service-card:focus-within{border-color:#68baff;box-shadow:0 10px 32px #1459ae33}
.card-icon{border-color:#498ecf;border-radius:13px;background:#237bc044}
.service-card p{font-size:14px;line-height:1.7}
.service-card a{font-size:14px}
.panel-symbol{display:block;width:116px;height:116px;margin:25px 24px 20px;border:0;border-radius:50%;background:none;box-shadow:0 0 34px #58b7fa55}
.faq-list summary{min-height:32px;align-items:center}
@media(max-width:600px){
  .brand-mark{width:34px;height:34px}
  .hero-copy{padding:72px 0 74px}
  h1{font-size:clamp(40px,10.3vw,48px);line-height:1.22;letter-spacing:-.06em}
  .hero-actions .primary{min-width:140px}
  .service-card{padding:23px}
  .service-card p{font-size:14px}
  .faq-list summary{min-height:48px;font-size:15px}
  .faq-list details{padding:12px 0}
  .faq-list details p{font-size:14px;line-height:1.75}
}