:root{--primary:#0a2a5e;--primary-light:#123a7d;--accent:#d4a017;--accent-light:#e8b84b;--bg:#f5f7fa;--text:#1f2937;--text-light:#5b6b80;--white:#fff;--border:#e5e9f0;--radius:12px;--shadow:0 8px 30px rgba(10,42,94,.08)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,PingFang SC,Microsoft YaHei,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.7}a{color:inherit;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:0 24px}.section{padding:80px 0}.section-alt{background:var(--white)}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:rgba(10,42,94,.96);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.nav-inner{justify-content:space-between;height:68px}.logo,.nav-inner{display:flex;align-items:center}.logo{gap:8px;color:var(--white)}.logo-img{height:40px;width:auto;display:block}.logo-mark{font-size:22px;font-weight:800;color:var(--accent);letter-spacing:1px}.logo-sub{font-size:12px;color:hsla(0,0%,100%,.6)}.nav-links{display:flex;gap:28px}.nav-links a{color:hsla(0,0%,100%,.85);font-size:15px;transition:color .2s}.nav-links a:hover{color:var(--accent)}.nav-actions{display:flex;align-items:center;gap:16px}.nav-phone{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:700;font-size:16px;letter-spacing:.3px;white-space:nowrap;transition:color 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.icon{font-size:38px;margin-bottom:16px}.service-card h3{font-size:20px;color:var(--primary);margin-bottom:12px}.service-card .desc{color:var(--text-light);font-size:14px;margin-bottom:16px}.service-card ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px}.service-card li{background:var(--bg);color:var(--text-light);font-size:12px;padding:4px 10px;border-radius:20px}.service-card .more{display:inline-block;margin-top:16px;color:var(--accent);font-weight:700;font-size:14px}.catalog-groups{display:flex;flex-direction:column;gap:40px}.catalog-group{background:var(--white);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);scroll-margin-top:88px}.catalog-group-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}.catalog-group-head .tag{background:var(--primary);color:var(--white);font-size:13px;font-weight:700;padding:4px 14px;border-radius:20px}.catalog-group-head h3{font-size:22px;color:var(--primary)}.catalog-group 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var(--accent);border-radius:8px;padding:14px 16px;font-size:15px;color:var(--text);line-height:1.55}.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:14px;gap:14px;margin-top:16px}.adv-card{display:flex;gap:10px;align-items:flex-start;background:var(--white);border:1px solid var(--border);border-radius:8px;padding:14px 16px;font-size:15px;color:var(--text);line-height:1.55}.adv-check{flex:0 0 auto;color:var(--accent);font-weight:800;line-height:1.4}.faq-list{margin-top:16px;display:flex;flex-direction:column;gap:12px}.faq-item{border:1px solid var(--border);border-radius:10px;padding:16px 18px;background:var(--white)}.faq-q{font-weight:700;color:var(--primary);margin-bottom:6px;font-size:16px}.faq-a{color:var(--text-light);line-height:1.7}@media (max-width:768px){.adv-grid,.scene-grid{grid-template-columns:1fr}}