*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,"Microsoft YaHei",sans-serif;color:#132235;background:#fff;line-height:1.68}a{text-decoration:none;color:inherit}.container{width:min(1180px,92vw);margin:auto}.topbar{background:#071a2e;color:#c9d8e8;font-size:13px}.topbar .container{display:flex;justify-content:space-between;gap:20px;padding:8px 0}.navbar{position:sticky;top:0;background:#fff;z-index:100;border-bottom:1px solid #edf1f6;box-shadow:0 8px 24px rgba(16,35,60,.04)}.nav-inner{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:13px}.brand-mark{width:46px;height:46px;border-radius:10px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800}.brand b{display:block;font-size:24px}.brand small{display:block;color:#66758a;font-size:12px;margin-top:-3px}.nav-menu{display:flex}.nav-menu a{padding:28px 13px;font-weight:700;color:#263b52;border-bottom:3px solid transparent}.nav-menu a:hover,.nav-menu a.active{color:var(--primary);border-color:var(--primary)}.nav-toggle{display:none;background:none;border:0;font-size:30px}.home-slider{height:585px;min-height:480px;position:relative;overflow:hidden;background:#061629}.home-slide{position:absolute;inset:0;opacity:0;transition:opacity .7s ease}.home-slide.active{opacity:1}.slide-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.slide-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,16,32,.86),rgba(0,39,75,.55),rgba(0,0,0,.15))}.slide-content{height:100%;position:relative;z-index:2;color:#fff;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}.eyebrow{letter-spacing:.14em;color:#63c9ff;font-weight:800;font-size:12px;text-transform:uppercase}.slide-content h1{font-size:58px;line-height:1.05;max-width:780px;margin:16px 0}.slide-content p{font-size:19px;max-width:760px;color:#e8f4ff}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;border:0;border-radius:4px;padding:12px 24px;font-weight:800;cursor:pointer}.btn-light{background:#fff;color:var(--primary);margin-right:10px}.btn-outline{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.5)}.slider-control{position:absolute;top:50%;z-index:5;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.5);background:rgba(0,0,0,.2);color:#fff;font-size:42px;cursor:pointer}.slider-control.prev{left:28px}.slider-control.next{right:28px}.slider-dots{position:absolute;left:50%;bottom:32px;transform:translateX(-50%);z-index:5;display:flex;gap:12px}.slider-dots button{width:42px;height:5px;border:0;border-radius:20px;background:rgba(255,255,255,.45)}.slider-dots button.active{background:#fff}.section{padding:78px 0}.soft{background:#f5f8fc}.section-head{text-align:center;max-width:760px;margin:0 auto 36px}.section-head.left{text-align:left;margin-left:0}.section h2,.page-hero h1{font-size:40px;line-height:1.18;margin:10px 0 18px}.lead{font-size:18px;color:#596d84}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}.metrics div,.solution-box,.info-card{background:#fff;border:1px solid #e6edf5;border-radius:18px;padding:22px;box-shadow:0 12px 32px rgba(15,45,80,.06)}.metrics b{display:block;font-size:24px;color:var(--primary)}.metrics span{color:#6a7b90}.product-architecture{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.product-group{background:#fff;border-top:4px solid var(--primary);border-radius:14px;padding:22px;box-shadow:0 12px 32px rgba(15,45,80,.07)}.product-group h3{margin-top:0}.product-group a{display:block;padding:12px 0;border-top:1px solid #edf2f7}.product-group span{display:block;color:var(--primary);font-size:12px;font-weight:800}.application-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.app-card{position:relative;min-height:260px;overflow:hidden;border-radius:16px;background:#0d2036}.app-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .35s ease}.app-card:hover img{transform:scale(1.05)}.app-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.62),rgba(0,0,0,.12))}.app-card div{position:absolute;left:22px;right:22px;bottom:22px;color:#fff;z-index:2}.app-card span{font-weight:800;color:#8bddff}.app-card h3{font-size:24px;margin:4px 0}.step-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.step-list div{background:#fff;border-left:4px solid var(--primary);padding:16px;border-radius:10px;font-weight:800}.honor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.honor-grid figure{background:#fff;border:1px solid #e8eef5;padding:16px;border-radius:14px;text-align:center;margin:0}.honor-grid img{width:100%;height:180px;object-fit:contain;background:#f9fbfd}.honor-grid figcaption{font-weight:800;margin-top:10px}.page-hero{background:linear-gradient(135deg,#061629,#0064B6);color:#fff;padding:70px 0}.page-hero p{font-size:19px;max-width:760px;color:#e9f5ff}.content-intro{max-width:860px;margin:0 auto 40px;font-size:18px;color:#53657b}.product-block{margin-bottom:54px}.product-block h2{border-left:5px solid var(--primary);padding-left:14px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{background:#fff;border:1px solid #e6edf5;border-radius:16px;overflow:hidden;box-shadow:0 12px 32px rgba(15,45,80,.07)}.product-img{background:#eaf3fb}.product-img img{width:100%;height:245px;object-fit:contain;display:block}.product-card div:not(.product-img){padding:18px}.product-card span{color:var(--primary);font-size:12px;font-weight:900}.detail-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:50px;align-items:start}.detail-image{background:#edf4fb;border-radius:18px;padding:20px}.detail-image img{width:100%;display:block;object-fit:contain}.full-width img{width:100%}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card-index{display:inline-grid;place-items:center;width:42px;height:42px;background:var(--primary);color:#fff;border-radius:50%;font-weight:800}.mini-body{color:#5d6f84}.application-list{display:grid;gap:48px}.application-row{display:grid;grid-template-columns:.95fr 1.05fr;gap:42px;align-items:center}.application-row.reverse{grid-template-columns:1.05fr .95fr}.application-row.reverse .application-photo{order:2}.application-photo img{width:100%;height:360px;object-fit:cover;border-radius:18px}.manufacturing-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.gallery-item{margin:0;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 12px 32px rgba(15,45,80,.08);cursor:zoom-in}.gallery-item img{width:100%;height:220px;object-fit:cover;display:block}.gallery-item figcaption{padding:16px;text-align:center}.gallery-item span{display:block;color:#66758a;font-size:13px}.image-modal{position:fixed;inset:0;background:rgba(0,0,0,.82);z-index:500;display:grid;place-items:center;padding:40px}.image-modal[hidden]{display:none}.image-modal img{max-width:92vw;max-height:88vh}.image-modal button{position:absolute;right:26px;top:18px;background:#fff;border:0;border-radius:50%;width:42px;height:42px;font-size:30px}.topic-list{display:grid;gap:28px}.topic-row{display:grid;grid-template-columns:36% 1fr;gap:34px;align-items:center;background:#fff;border:1px solid #e6edf5;border-radius:18px;padding:20px}.topic-img img{width:100%;height:220px;object-fit:cover;border-radius:12px}.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px}.contact-card,.contact-form,.map-panel{background:#fff;border:1px solid #e6edf5;border-radius:18px;padding:24px;box-shadow:0 12px 32px rgba(15,45,80,.06)}.contact-form{display:grid;gap:12px}.contact-form input,.contact-form textarea{border:1px solid #d9e3ee;border-radius:8px;padding:12px;font:inherit}.contact-form textarea{min-height:140px}.google-map{width:100%;height:420px;border:0;border-radius:14px}.footer{background:#061629;color:#c9d8e8;padding:56px 0 0}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:40px}.footer h3,.footer h4{color:#fff}.copyright{text-align:center;border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding:18px}.floating-contact{position:fixed;right:18px;top:52%;transform:translateY(-50%);z-index:300;display:grid;gap:12px}.float-btn{display:flex;align-items:center;gap:9px;background:#fff;border-radius:999px;padding:8px 12px;box-shadow:0 12px 30px rgba(0,0,0,.18);font-weight:800;font-size:13px}.float-btn svg{width:34px;height:34px}.float-btn span{max-width:0;overflow:hidden;white-space:nowrap;transition:max-width .25s}.float-btn:hover span{max-width:100px}.lazy-media{opacity:0;transition:opacity .55s}.lazy-media.loaded{opacity:1}.reveal-on-scroll{opacity:0;transform:translateY(18px);transition:.65s}.reveal-on-scroll.is-visible{opacity:1;transform:none}.text-link{color:var(--primary);font-weight:800}@media(max-width:900px){.topbar .container,.split,.detail-grid,.application-row,.application-row.reverse,.topic-row,.contact-grid,.footer-grid{display:block}.nav-toggle{display:block}.nav-menu{display:none;position:absolute;left:0;right:0;top:78px;background:#fff;padding:12px 4vw}.nav-menu.open{display:block}.nav-menu a{display:block;padding:12px}.home-slider{height:520px}.slide-content h1{font-size:38px}.product-architecture,.application-grid,.product-grid,.info-grid,.manufacturing-gallery,.honor-grid{grid-template-columns:1fr}.metrics,.step-list{grid-template-columns:1fr}.section{padding:52px 0}.floating-contact{top:auto;bottom:18px;right:12px;transform:none}.float-btn span{display:none}.slider-control{display:none}}
/* v6: public-library application imagery and latest CDN friendly overrides */
body.rk-site{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;}
.rk-site a{text-decoration:none;}
.application-grid{align-items:stretch;}
.application-grid .app-card{min-height:310px;background:#071524;}
.application-grid .app-card img{filter:saturate(1.04) contrast(1.02);}
.application-grid .app-card:hover img{transform:scale(1.06);}
.application-row .application-photo img,.detail-image img{width:100%;}

/* v7 content cleanup */
.engineering-flow{margin:0 auto 42px;background:#fff;border:1px solid #e6edf5;border-radius:18px;padding:18px;box-shadow:0 12px 32px rgba(15,45,80,.06)}
.engineering-flow img{width:100%;display:block;border-radius:12px;background:#071a2e}
.engineering-flow figcaption{text-align:center;color:#66758a;font-size:13px;margin-top:12px}
.info-card .mini-body:empty{display:none}
.info-card p{margin-bottom:0}