:root{
  --black:#07080d;
  --ink:#11131a;
  --muted:#6f7480;
  --line:#e7e9ef;
  --paper:#f7f8fb;
  --white:#ffffff;
  --blue:#002fa7;
  --blue-soft:#dfe8ff;
  --green:#b7ff2a;
  --gray:#2a2d35;
  --radius:24px;
  --shadow:0 20px 60px rgba(7,8,13,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px clamp(18px,4vw,60px);background:rgba(247,248,251,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(17,19,26,.08)}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.02em}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--blue);color:var(--green);font-weight:900;box-shadow:0 12px 30px rgba(0,47,167,.26)}
.brand-text{font-size:20px}
.site-nav{display:flex;gap:8px;align-items:center}
.site-nav a{padding:9px 14px;border-radius:999px;color:#31343c;font-size:15px}
.site-nav a.active,.site-nav a:hover{background:var(--ink);color:var(--white)}
.nav-toggle{display:none;border:0;background:var(--ink);color:var(--white);border-radius:12px;width:42px;height:42px;font-size:22px}
.hero,.section,.page-hero{padding:clamp(56px,8vw,110px) clamp(18px,5vw,72px)}
.split-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.9fr);gap:44px;align-items:center;min-height:calc(100vh - 78px);background:radial-gradient(circle at 12% 20%,rgba(0,47,167,.18),transparent 32%),radial-gradient(circle at 90% 30%,rgba(183,255,42,.18),transparent 24%),linear-gradient(135deg,#f8f9fc,#eef2fb)}
.hero-copy h1,.page-hero h1{font-size:clamp(38px,6vw,78px);line-height:1.04;margin:12px 0 22px;letter-spacing:-.05em}
.lead,.page-hero p{font-size:clamp(17px,2.2vw,22px);color:#414652;max-width:850px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 12px;color:var(--blue);font-weight:800;letter-spacing:.12em;font-size:13px;text-transform:uppercase}
.eyebrow:before{content:"";width:26px;height:2px;background:var(--green);box-shadow:10px 0 0 var(--blue)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0 22px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;border:1px solid var(--ink);font-weight:800;transition:.2s ease;cursor:pointer;font-size:15px}
.btn.primary{background:var(--ink);color:var(--white);box-shadow:0 14px 30px rgba(17,19,26,.18)}
.btn.primary:hover{transform:translateY(-2px);background:var(--blue);border-color:var(--blue)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--blue);border-color:var(--blue);color:var(--white)}
.btn.light{border-color:rgba(255,255,255,.45);color:var(--white)}
.domain-note{display:inline-flex;gap:8px;flex-wrap:wrap;padding:10px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.7);color:#555b66;font-size:14px}
.card-glow{position:relative;border-radius:var(--radius);background:linear-gradient(145deg,#fff,#eef3ff);box-shadow:var(--shadow);padding:18px;overflow:hidden}
.card-glow:after{content:"";position:absolute;inset:auto -20% -30% 35%;height:180px;background:var(--green);filter:blur(70px);opacity:.45}
.card-glow img{position:relative;z-index:1;border-radius:18px}
.section-heading{max-width:860px;margin:0 auto 36px;text-align:center}
.section-heading h2,.split-section h2,.solution-copy h2,.review-block h2,.contact-cta h2,.contact-panel h2,.contact-aside h2{font-size:clamp(30px,4vw,52px);line-height:1.12;margin:0 0 16px;letter-spacing:-.04em}
.section-heading p{color:#5f6570;margin:0 auto;max-width:760px}
.grid{display:grid;gap:22px}.cards-4{grid-template-columns:repeat(4,minmax(0,1fr))}.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 12px 36px rgba(17,19,26,.06);transition:.2s ease}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.info-card img{height:128px;width:100%;object-fit:cover;border-radius:18px;background:#f0f2f8;margin-bottom:16px}
.info-card h3{margin:0 0 8px;font-size:22px}.info-card p{color:#5e6470;margin:0}
.dark-block{background:var(--black);color:var(--white);border-radius:36px;margin:0 clamp(12px,3vw,36px);padding-left:clamp(20px,5vw,60px);padding-right:clamp(20px,5vw,60px)}
.light-text p{color:#c9ccd5}.light-text .eyebrow{color:var(--green)}
.masonry{display:grid;grid-template-columns:1.2fr .8fr;grid-template-rows:auto auto;gap:22px;max-width:1180px;margin:0 auto}.work-card{background:#151821;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:18px;overflow:hidden}.work-card.large{grid-row:span 2}.work-card img{border-radius:18px;min-height:210px;object-fit:cover}.work-card.large img{min-height:470px}.work-card span,.work-tile span{display:inline-flex;margin-top:16px;color:var(--green);font-weight:800;font-size:13px}.work-card h3,.work-tile h2{margin:6px 0 8px;font-size:26px}.work-card p{color:#c9ccd5;margin:0}
.timeline-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;position:relative}.timeline-row article{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:24px}.timeline-row span,.values-grid span,.process-vertical span{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--blue);color:var(--green);font-weight:900;margin-bottom:14px}.timeline-row h3,.values-grid h3{margin:0 0 8px;font-size:22px}.timeline-row p,.values-grid p{margin:0;color:#616772}
.split-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.8fr);gap:36px;align-items:center}.split-section p{color:#555b66}.split-section img{border-radius:var(--radius);box-shadow:var(--shadow);background:var(--white)}
.check-list{padding:0;margin:24px 0 0;list-style:none;display:grid;gap:12px}.check-list li{padding-left:34px;position:relative}.check-list li:before{content:"✓";position:absolute;left:0;top:0;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:var(--ink);font-weight:900;line-height:1}
.solution-band{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;background:linear-gradient(135deg,var(--blue),#061439);color:var(--white);border-radius:36px;margin:0 clamp(12px,3vw,36px)}.solution-band p{color:#d9def0}.solution-list{display:flex;gap:12px;flex-wrap:wrap}.solution-list span{padding:10px 16px;border:1px solid rgba(255,255,255,.25);border-radius:999px;background:rgba(255,255,255,.08)}
.team-grid img{height:150px;object-fit:cover}.review-block{display:grid;grid-template-columns:1fr .9fr;gap:24px;align-items:center}.review-block p{color:#5d6370}.review-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.review-stats div{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:24px;text-align:center}.review-stats strong{display:block;font-size:34px;color:var(--blue)}.review-stats span{color:#626873}
.faq-list{max-width:920px;margin:0 auto;display:grid;gap:12px}.faq-list details{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:18px 22px}.faq-list summary{cursor:pointer;font-weight:800;font-size:18px}.faq-list p{color:#5d6370;margin:12px 0 0}.contact-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.contact-cta p{max-width:720px;color:#5d6370}.page-hero{background:linear-gradient(135deg,#f7f8fb,#e7ecff);border-bottom:1px solid var(--line)}.page-hero.compact{padding-top:72px;padding-bottom:72px}.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.values-grid article{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:24px}.two-col-list{display:grid;grid-template-columns:1fr 1fr;gap:28px}.two-col-list ul{margin:0;padding:0;list-style:none;display:grid;gap:12px}.two-col-list li{padding:16px 18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:16px}.service-detail-grid{display:grid;gap:18px}.detail-card{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 12px 36px rgba(17,19,26,.06)}.detail-card img{height:150px;object-fit:cover;border-radius:18px;background:#eef2fb}.detail-card h2{margin:0 0 8px;font-size:28px}.detail-card p{margin:0 0 10px;color:#5c626e}.detail-card a{font-weight:900;color:var(--blue)}.work-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.work-tile{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 12px 36px rgba(17,19,26,.06)}.work-tile img{width:100%;height:310px;object-fit:cover;background:#eef2fb}.work-tile div{padding:22px}.work-tile p{color:#5d6370}.process-vertical{max-width:980px;margin:0 auto;display:grid;gap:16px}.process-vertical article{display:grid;grid-template-columns:70px 1fr;gap:18px;background:var(--white);border:1px solid var(--line);border-radius:22px;padding:22px}.process-vertical h2{margin:0 0 8px}.process-vertical p{margin:0;color:#5f6570}.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.video-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:0 12px 36px rgba(17,19,26,.06)}.video-frame{position:relative;border-radius:18px;overflow:hidden;background:#eef2fb}.video-frame img{height:220px;width:100%;object-fit:cover}.video-frame span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:rgba(7,8,13,.78);color:var(--green);font-size:22px}.video-card h2{font-size:24px;margin:16px 0 6px}.video-card p{color:#5e6470;margin:0}.contact-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.contact-panel,.current-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 12px 36px rgba(17,19,26,.06)}.contact-aside{display:grid;gap:18px}.project-form{display:grid;gap:16px}.project-form label{display:grid;gap:8px;font-weight:800}.project-form input,.project-form select,.project-form textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;font:inherit;background:#fbfcff}.project-form input:focus,.project-form select:focus,.project-form textarea:focus{outline:2px solid var(--blue-soft);border-color:var(--blue)}.form-note{font-size:14px;color:#777d89}.current-card p,.current-card li{color:#5d6370}.current-card ul{padding-left:18px}.site-footer{background:var(--black);color:var(--white);padding:48px clamp(18px,5vw,72px) 28px}.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;margin-bottom:30px}.footer-grid p{color:#c8ccd6;margin:8px 0 0}.footer-bottom{display:flex;justify-content:space-between;gap:16px;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;color:#c8ccd6;font-size:14px}
@media (max-width:1080px){.cards-4,.video-grid{grid-template-columns:repeat(2,1fr)}.values-grid{grid-template-columns:repeat(2,1fr)}.timeline-row{grid-template-columns:repeat(2,1fr)}.split-hero,.solution-band,.split-section,.review-block,.contact-layout{grid-template-columns:1fr}.masonry,.work-gallery{grid-template-columns:1fr}.work-card.large img{min-height:260px}.footer-grid{grid-template-columns:1fr 1fr}.detail-card{grid-template-columns:180px 1fr}}
@media (max-width:760px){.site-header{align-items:flex-start}.nav-toggle{display:block}.site-nav{display:none;position:absolute;left:18px;right:18px;top:74px;flex-direction:column;align-items:stretch;background:var(--white);border:1px solid var(--line);border-radius:20px;padding:12px;box-shadow:var(--shadow)}.site-nav.open{display:flex}.site-nav a{border-radius:14px}.hero,.section,.page-hero{padding-left:18px;padding-right:18px}.cards-4,.cards-3,.video-grid,.values-grid,.timeline-row,.footer-grid{grid-template-columns:1fr}.contact-cta{display:block}.contact-cta .btn{margin-top:18px}.detail-card{grid-template-columns:1fr}.detail-card img{width:100%}.process-vertical article{grid-template-columns:1fr}.review-stats{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.domain-note{border-radius:16px}.hero-copy h1,.page-hero h1{font-size:38px}}