:root{
  --blue:#0b5ce1; --blue2:#2b8cff; --navy:#0b1f42; --text:#20304a; --muted:#6f7f98;
  --line:#e7edf6; --bg:#f6f9fe; --white:#fff; --shadow:0 18px 50px rgba(26,75,145,.12);
}
*{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;color:var(--text);background:white;line-height:1.7} a{text-decoration:none;color:inherit} img{max-width:100%} .container{width:min(1180px,calc(100% - 40px));margin:auto}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,237,246,.9)} .nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}.logo img{width:430px;max-width:42vw;height:auto;display:block}.navlinks{display:flex;gap:28px;align-items:center;font-size:15px;font-weight:600}.navlinks a:hover{color:var(--blue)} .cta{padding:11px 18px;background:var(--blue);color:#fff;border-radius:10px;box-shadow:0 10px 20px rgba(11,92,225,.2)} .mobile-btn{display:none;background:none;border:0;font-size:26px;color:var(--navy)}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#f8fbff 0%,#edf5ff 56%,#eaf3ff 100%)} .hero:before{content:"";position:absolute;width:620px;height:620px;border-radius:50%;right:-120px;top:-180px;background:radial-gradient(circle,#9ec9ff 0,rgba(158,201,255,.2) 45%,transparent 70%)} .hero-wrap{min-height:680px;display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center;position:relative}.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--blue);font-weight:700;font-size:14px;letter-spacing:.08em}.eyebrow:before{content:"";width:28px;height:2px;background:var(--blue)} h1{font-size:clamp(42px,5vw,66px);line-height:1.13;margin:18px 0 20px;color:#091834;letter-spacing:-2px}.accent{color:var(--blue)} .lead{font-size:19px;color:#51627d;max-width:690px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 24px;border-radius:10px;font-weight:700;border:1px solid transparent}.btn.primary{background:var(--blue);color:#fff;box-shadow:0 14px 28px rgba(11,92,225,.2)} .btn.secondary{background:#fff;border-color:#cfe0fa;color:var(--blue)} .micro{margin-top:18px;color:#6d7a91;font-size:14px}
.platforms{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.platform{background:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.9);border-radius:22px;padding:28px 18px;text-align:center;box-shadow:var(--shadow);transform:translateY(0);transition:.25s}.platform:hover{transform:translateY(-6px)} .mark{width:70px;height:70px;border-radius:22px;margin:0 auto 14px;display:grid;place-items:center;font-size:26px;font-weight:800;color:#fff}.meta{background:linear-gradient(135deg,#1968ff,#01a9ff)} .google{background:linear-gradient(135deg,#4285f4,#34a853)} .tiktok{background:linear-gradient(135deg,#111827,#ef2a56)} .platform h3{margin:8px 0 4px;color:var(--navy)} .platform p{font-size:13px;color:var(--muted);margin:0}
.stats{border-bottom:1px solid var(--line);background:#fff}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}.stat{padding:24px 20px;text-align:center;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat strong{display:block;color:var(--navy);font-size:28px}.stat span{color:var(--muted);font-size:14px}
section{padding:94px 0}.section-head{max-width:760px;margin:0 auto 48px;text-align:center}.section-head .kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em}.section-head h2{font-size:38px;line-height:1.2;margin:10px 0 14px;color:var(--navy)}.section-head p{color:var(--muted);margin:0}.services{background:var(--bg)} .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.service-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 8px 30px rgba(18,59,119,.06)}.service-card .badge{display:inline-flex;padding:6px 10px;background:#edf4ff;color:var(--blue);border-radius:999px;font-size:12px;font-weight:800}.service-card h3{font-size:22px;color:var(--navy);margin:18px 0 10px}.service-card p{color:var(--muted);font-size:15px}.service-card ul{padding-left:18px;color:#53627a;font-size:14px}
.about-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:60px;align-items:center}.visual{min-height:430px;border-radius:24px;background:linear-gradient(150deg,#0b5ce1,#1e8cff 60%,#79bfff);position:relative;overflow:hidden;box-shadow:var(--shadow)}.visual:before,.visual:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.16)}.visual:before{width:320px;height:320px;right:-80px;top:-70px}.visual:after{width:220px;height:220px;left:-60px;bottom:-60px}.visual-copy{position:absolute;left:38px;right:38px;bottom:34px;color:white}.visual-copy strong{font-size:44px;display:block}.about h2{font-size:38px;color:var(--navy);margin:12px 0 18px}.about p{color:var(--muted)}.checks{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}.check{padding:14px 16px;background:#f7faff;border:1px solid #e4edf9;border-radius:12px;font-size:14px}.check:before{content:"✓";display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#e5f0ff;color:var(--blue);margin-right:9px;font-weight:800}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.adv{padding:28px 22px;border:1px solid var(--line);border-radius:16px;background:white;text-align:center}.adv b{display:block;color:var(--blue);font-size:28px;margin-bottom:8px}.adv p{margin:0;color:var(--muted);font-size:14px}
.process{background:#0a1a35;color:white}.process .section-head h2{color:#fff}.process .section-head p{color:#a7b4c9}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.step{border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);padding:28px;border-radius:16px}.step span{color:#6dadff;font-size:12px;font-weight:800}.step h3{margin:10px 0;color:white}.step p{color:#a7b4c9;font-size:14px;margin:0}
.contact{background:var(--bg)} .contact-wrap{display:grid;grid-template-columns:1fr .9fr;gap:28px}.contact-card,.contact-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px}.contact-card h2{font-size:36px;color:var(--navy);margin:6px 0 12px}.contact-card p{color:var(--muted)}.contact-list{display:grid;gap:14px;margin-top:26px}.contact-item{padding:16px;border-radius:12px;background:#f8fbff}.contact-item b{display:block;color:var(--navy);font-size:14px}.contact-item span,.contact-item a{color:#596a84;font-size:14px}.contact-panel{background:linear-gradient(145deg,#0b5ce1,#2a8cff);color:white;display:flex;flex-direction:column;justify-content:center}.contact-panel h3{font-size:30px;margin:0 0 12px}.contact-panel p{opacity:.86}.contact-panel .btn{background:#fff;color:var(--blue);margin-top:14px;width:max-content}
.footer{background:#07152d;color:#8ea0bb;padding:48px 0 26px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:40px}.footer h4{color:#fff;margin-top:0}.footer a{display:block;margin:7px 0;font-size:14px}.footer-logo{filter:brightness(0) invert(1);opacity:.96;width:360px;max-width:100%}.footnote{border-top:1px solid rgba(255,255,255,.09);margin-top:32px;padding-top:20px;font-size:13px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.legal{padding:70px 0}.legal h1{font-size:42px}.legal h2{color:var(--navy);margin-top:34px}.legal p,.legal li{color:#566780}.back{display:inline-block;margin-bottom:18px;color:var(--blue);font-weight:700}
@media(max-width:980px){.navlinks{display:none}.mobile-btn{display:block}.nav.open .navlinks{display:flex;position:absolute;top:76px;left:0;right:0;background:white;flex-direction:column;padding:24px;border-bottom:1px solid var(--line)}.hero-wrap,.about-grid,.contact-wrap{grid-template-columns:1fr}.hero-wrap{padding:70px 0}.service-grid{grid-template-columns:1fr 1fr}.adv-grid,.process-grid,.stats-grid{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.logo img{max-width:62vw}}
@media(max-width:640px){.container{width:min(100% - 28px,1180px)}section{padding:70px 0}.service-grid,.platforms,.adv-grid,.process-grid,.stats-grid,.checks{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid var(--line)}.stat:last-child{border-bottom:0}.hero-wrap{min-height:auto}.hero h1{font-size:42px}.section-head h2,.about h2,.contact-card h2{font-size:32px}.logo img{max-width:74vw}.cta{display:none}.footer-grid{grid-template-columns:1fr}}