:root {
  --ocean-bg:#ebf8ff;--ocean-bg2:#bee3f8;--ocean-ink:#1a365d;--ocean-ink2:#2c5282;
  --ocean-primary:#2b6cb0;--ocean-accent:#f6e05e;--ocean-line:#90cdf4;--ocean-white:#ffffff;
  --ocean-radius:8px;--ocean-sans:'Noto Sans SC','PingFang SC',sans-serif;--ocean-serif:'Noto Serif SC',Georgia,serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{font-family:var(--ocean-sans);background:var(--ocean-bg);color:var(--ocean-ink);line-height:1.7;font-size:15px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-weight:600;color:var(--ocean-ink);line-height:1.4}img{max-width:100%;height:auto;display:block}a{color:var(--ocean-ink);text-decoration:none;transition:.2s}
.ocean-container{max-width:1180px;margin:0 auto;padding:0 28px}
.ocean-sm{max-width:760px}
.ocean-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:var(--ocean-radius);font-size:14px;font-weight:500;border:2px solid var(--ocean-primary);cursor:pointer;transition:.2s}
.ocean-btn-primary{background:var(--ocean-primary);color:#fff}
.ocean-btn-primary:hover{opacity:.88;transform:translateY(-1px)}
.ocean-btn-ghost{background:transparent;color:var(--ocean-primary)}
.ocean-btn-ghost:hover{background:var(--ocean-primary);color:#fff}
.ocean-btn-block{width:100%}
.ocean-header{position:sticky;top:0;z-index:100;background:#ebf8ff;border-bottom:1px solid var(--ocean-line);backdrop-filter:blur(12px);background:rgba(255,255,255,.94);}
.ocean-nav{height:68px;display:flex;justify-content:space-between;align-items:center}
.ocean-logo{font-size:20px;font-weight:700;color:var(--ocean-primary);letter-spacing:.5px}
.ocean-burger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:4px;padding:8px}
.ocean-burger span{width:22px;height:2px;background:var(--ocean-ink)}
.ocean-menu{display:flex;gap:4px;align-items:center;list-style:none}
.ocean-menu a{padding:8px 14px;font-size:14px;color:var(--ocean-ink2);border-radius:var(--ocean-radius)}
.ocean-menu a:hover{background:var(--ocean-bg2);color:var(--ocean-primary)}
.ocean-ctabtn{background:var(--ocean-primary)!important;color:#fff!important}
.ocean-ctabtn:hover{opacity:.88!important}
.ocean-hero{padding:80px 0;background:linear-gradient(135deg,#ebf8ff,#bee3f8); }
.ocean-heroInner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.ocean-eyebrow{font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--ocean-accent);margin-bottom:24px}
.ocean-heroText h1{font-size:48px;line-height:1.15;margin-bottom:20px;font-weight:700;letter-spacing:-0.5px}
.ocean-sub{font-size:16px;color:var(--ocean-ink2);line-height:1.9;margin-bottom:32px;max-width:540px}
.ocean-heroBtns{display:flex;gap:12px;margin-bottom:28px;flex-wrap:wrap}
.ocean-heroPhone{font-size:20px;color:var(--ocean-primary);font-weight:600}
.ocean-heroMedia img{width:100%;border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,.2)}
.ocean-features{padding:40px 0;border-bottom:1px solid var(--ocean-line)}
.ocean-featureGrid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.ocean-featureItem{text-align:center}
.ocean-featureIcon{color:var(--ocean-accent);font-size:24px;margin-bottom:12px}
.ocean-featureItem h4{font-size:15px;margin-bottom:6px}
.ocean-featureItem p{font-size:13px;color:var(--ocean-ink2)}
.ocean-about{padding:80px 0}
.ocean-aboutGrid{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center}
.ocean-secLabel{font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--ocean-accent);margin-bottom:12px}
.ocean-about h2{font-size:34px;font-weight:300;margin-bottom:20px}
.ocean-about p{font-size:15px;color:var(--ocean-ink2);line-height:1.9;margin-bottom:24px}
.ocean-textLink{color:var(--ocean-primary);font-weight:500}
.ocean-aboutCard{background:var(--ocean-bg2);padding:36px;border-radius:var(--ocean-radius);border-left:4px solid var(--ocean-primary)}
.ocean-aboutCard h4{font-size:18px;margin-bottom:12px;color:var(--ocean-primary)}
.ocean-aboutCard p{font-size:14px;color:var(--ocean-ink2);margin:0}
.ocean-services{padding:80px 0;background:var(--ocean-bg2)}
.ocean-secHead{margin-bottom:48px}
.ocean-secHead h2{font-size:32px;font-weight:300}
.ocean-secCenter{text-align:center}
.ocean-svcGrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ocean-svcCard{background:#fff;padding:28px 24px;border-radius:var(--ocean-radius);border:1px solid var(ocean-line);transition:.3s;position:relative}
.ocean-svcCard:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.12);border-color:var(--ocean-primary)}
.ocean-svcCard h3{font-size:16px;margin-bottom:8px}
.ocean-svcCard p{font-size:13px;color:var(--ocean-ink2);line-height:1.7}
.ocean-svcCard>span{position:absolute;top:20px;right:20px;color:var(--ocean-primary)}
.ocean-tech{padding:80px 0}
.ocean-techGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.ocean-techCard{background:#fff;padding:40px 32px;border-radius:var(--ocean-radius);text-align:center;border-top:4px solid var(ocean-primary);box-shadow:0 4px 20px rgba(0,0,0,.04)}
.ocean-techNum{font-size:48px;font-weight:200;color:var(--ocean-accent);line-height:1;margin-bottom:16px}
.ocean-techCard h3{font-size:20px;margin-bottom:16px}
.ocean-techCard p{font-size:14px;color:var(--ocean-ink2);line-height:1.8;text-align:left}
.ocean-process{padding:80px 0;background:var(--ocean-bg2)}
.ocean-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ocean-step{background:#fff;padding:28px 20px;border-radius:var(--ocean-radius);text-align:center;border:1px solid var(ocean-line)}
.ocean-stepNum{font-size:28px;font-weight:200;color:var(--ocean-primary);margin-bottom:12px}
.ocean-step h4{font-size:15px;margin-bottom:8px}
.ocean-step p{font-size:12px;color:var(--ocean-ink2);line-height:1.6}
.ocean-faq{padding:80px 0}
.ocean-faqList details{background:#fff;border-radius:var(--ocean-radius);margin-bottom:10px;padding:20px 24px;border:1px solid var(ocean-line)}
.ocean-faqList summary{cursor:pointer;font-weight:500;font-size:15px;list-style:none;position:relative;padding-right:28px}
.ocean-faqList summary::-webkit-details-marker{display:none}
.ocean-faqList summary::after{content:'+';position:absolute;right:0;top:0;color:var(--ocean-primary);font-size:22px}
.ocean-faqList details[open] summary::after{content:'−'}
.ocean-faqList details p{margin-top:12px;font-size:14px;color:var(--ocean-ink2);line-height:1.8}
.ocean-news{padding:80px 0}
ul.article-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px;list-style:none;margin:0;padding:0;width:100%;box-sizing:border-box}
ul.article-cards>li.article-card{min-width:0;width:auto;max-width:none;margin:0;float:none;box-sizing:border-box;background:#fff;border-radius:var(--ocean-radius);overflow:hidden;border:1px solid var(ocean-line);transition:.3s}
ul.article-cards>li.article-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.12)}
.article-card .card-thumb{width:100%;overflow:hidden}
.article-card .card-thumb img{display:block;width:100%;max-width:100%;height:180px;object-fit:cover}
.article-card .card-body{padding:20px}
.article-card .card-title{overflow-wrap:anywhere;font-size:15px;font-weight:600;margin-bottom:8px;line-height:1.5}
.article-card .card-title a{color:var(--ocean-ink)}
.article-card .card-title a:hover{color:var(--ocean-primary)}
.article-card .card-date{display:block;font-size:12px;color:var(--ocean-ink2);margin-bottom:8px}
.article-card .card-summary{overflow-wrap:anywhere;font-size:13px;color:var(--ocean-ink2);line-height:1.7}
.ocean-contact{padding:80px 0;background:linear-gradient(135deg,var(--ocean-bg2),var(--ocean-bg))}
.ocean-contactGrid{display:grid;grid-template-columns:1fr 400px;gap:60px;align-items:start}
.ocean-contact h2{font-size:32px;font-weight:300;margin:12px 0 20px}
.ocean-contact p{color:var(--ocean-ink2);margin-bottom:28px;line-height:1.8}
.ocean-bigPhone{font-size:36px;font-weight:300;color:var(--ocean-primary);display:block;margin-bottom:16px}
.ocean-note{font-size:12px;color:var(--ocean-ink2)}
.ocean-form{background:#fff;padding:32px;border-radius:var(--ocean-radius);box-shadow:0 8px 32px rgba(0,0,0,.1);}
.ocean-form input,.ocean-form select,.ocean-form textarea{width:100%;padding:12px 0;background:transparent;border:none;border-bottom:1px solid var(--ocean-line);font-size:14px;font-family:inherit;margin-bottom:20px;outline:none;color:var(--ocean-ink)}
.ocean-form input:focus,.ocean-form textarea:focus,.ocean-form select:focus{border-bottom-color:var(--ocean-primary)}
.ocean-detail{padding:48px 0 80px}
.ocean-breadcrumb{font-size:13px;color:var(--ocean-ink2);margin-bottom:32px}
.ocean-breadcrumb a{color:var(--ocean-ink2)}
.ocean-article h1{font-size:34px;font-weight:500;margin-bottom:16px}
.ocean-artDate{font-size:13px;color:var(--ocean-accent);margin-bottom:20px}
.ocean-artSummary{font-size:16px;color:var(--ocean-ink2);line-height:1.9;padding:20px;background:var(--ocean-bg2);border-left:4px solid var(--ocean-primary);border-radius:0 var(--ocean-radius) var(--ocean-radius) 0;margin-bottom:32px;font-style:italic}
.ocean-artCover{margin-bottom:32px;border-radius:var(--ocean-radius);overflow:hidden}
.ocean-artBody{font-size:16px;line-height:2;color:var(--ocean-ink)}
.ocean-artBody h2{font-size:24px;margin:40px 0 20px;font-weight:600;padding-bottom:12px;border-bottom:2px solid var(--ocean-accent)}
.ocean-artBody h3{font-size:19px;margin:28px 0 14px;color:var(--ocean-primary)}
.ocean-artBody p{margin-bottom:20px}
.ocean-disclaimer{margin-top:40px;padding:20px;background:#fff8f0;border-radius:var(--ocean-radius);font-size:13px;color:#92400e;line-height:1.7}
.ocean-artActions{margin:32px 0;display:flex;gap:12px;justify-content:center}
.ocean-related{margin-top:40px;padding-top:24px;border-top:1px solid var(--ocean-line)}
.ocean-related h4{margin-bottom:16px}
.ocean-related a{display:inline-block;margin-right:16px;margin-bottom:8px;padding:8px 16px;background:var(--ocean-bg2);border-radius:var(--ocean-radius);font-size:13px;color:var(--ocean-primary)}
.ocean-footer{background:#1a1a1a;color:#aaa;padding:60px 0 0}
.ocean-footTop{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.ocean-fBrand h3{color:#fff;font-size:22px;margin-bottom:12px}
.ocean-fBrand p{font-size:13px;opacity:.7;margin-bottom:20px}
.ocean-fPhone{color:var(--ocean-primary);font-size:22px}
.ocean-fCol h5{color:#fff;font-size:13px;margin-bottom:16px}
.ocean-fCol a{display:block;font-size:13px;color:#777;margin-bottom:10px}
.ocean-fCol a:hover{color:var(--ocean-accent)}
.ocean-fLinks{padding:24px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.ocean-fLinks h6{font-size:12px;color:#666;margin-bottom:12px}
.ocean-fLinks>div{display:flex;flex-wrap:wrap;gap:16px}
.ocean-fLinks>div a{font-size:12px;color:#777}
.ocean-fLinks>div a:hover{color:var(--ocean-accent)}
.ocean-copy{padding:24px 0;text-align:center;font-size:12px;color:#666}
.ocean-copy p{margin-bottom:6px}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media(max-width:1024px){
  .ocean-heroInner{grid-template-columns:1fr;gap:40px}
  .ocean-featureGrid,.ocean-svcGrid{grid-template-columns:repeat(2,1fr)}
  .ocean-techGrid{grid-template-columns:1fr}
  .ocean-steps{grid-template-columns:repeat(2,1fr)}
  .ocean-aboutGrid,.ocean-contactGrid{grid-template-columns:1fr}
  .ocean-footTop{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .ocean-container{padding:0 20px}
  .ocean-burger{display:flex}
  .ocean-menu{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ocean-bg);flex-direction:column;padding:16px;gap:0;border-top:1px solid var(--ocean-line);box-shadow:0 8px 16px rgba(0,0,0,.08);list-style:none}
  .ocean-menu.ocean-open{display:flex}
  .ocean-menu a{padding:12px 16px;border-radius:0;border-bottom:1px solid var(--ocean-line)}
  .ocean-hero{padding:48px 0}
  .ocean-heroText h1{font-size:36px}
  .ocean-featureGrid,.ocean-svcGrid,.ocean-steps{grid-template-columns:1fr}
  .ocean-footTop{grid-template-columns:1fr}
  .ocean-article h1{font-size:26px}
  .ocean-about h2,.ocean-secHead h2,.ocean-contact h2{font-size:26px}
  .ocean-about,.ocean-services,.ocean-tech,.ocean-process,.ocean-faq,.ocean-news,.ocean-contact{padding:56px 0}
}