:root {
  --ruby-bg:#fff5f5;--ruby-bg2:#fed7d7;--ruby-ink:#1a1a1a;--ruby-ink2:#4a4a4a;
  --ruby-primary:#c53030;--ruby-accent:#fc8181;--ruby-line:#feb2b2;--ruby-white:#ffffff;
  --ruby-radius:8px;--ruby-sans:'Noto Sans SC','PingFang SC',sans-serif;--ruby-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(--ruby-sans);background:var(--ruby-bg);color:var(--ruby-ink);line-height:1.7;font-size:15px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-weight:600;color:var(--ruby-ink);line-height:1.4}img{max-width:100%;height:auto;display:block}a{color:var(--ruby-ink);text-decoration:none;transition:.2s}
.ruby-container{max-width:1180px;margin:0 auto;padding:0 28px}
.ruby-sm{max-width:760px}
.ruby-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:var(--ruby-radius);font-size:14px;font-weight:500;border:2px solid var(--ruby-primary);cursor:pointer;transition:.2s}
.ruby-btn-primary{background:var(--ruby-primary);color:#fff}
.ruby-btn-primary:hover{opacity:.88;transform:translateY(-1px)}
.ruby-btn-ghost{background:transparent;color:var(--ruby-primary)}
.ruby-btn-ghost:hover{background:var(--ruby-primary);color:#fff}
.ruby-btn-block{width:100%}
.ruby-header{position:sticky;top:0;z-index:100;background:#fff5f5;border-bottom:1px solid var(--ruby-line);backdrop-filter:blur(12px);background:rgba(255,255,255,.94);}
.ruby-nav{height:68px;display:flex;justify-content:space-between;align-items:center}
.ruby-logo{font-size:20px;font-weight:700;color:var(--ruby-primary);letter-spacing:.5px}
.ruby-burger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:4px;padding:8px}
.ruby-burger span{width:22px;height:2px;background:var(--ruby-ink)}
.ruby-menu{display:flex;gap:4px;align-items:center;list-style:none}
.ruby-menu a{padding:8px 14px;font-size:14px;color:var(--ruby-ink2);border-radius:var(--ruby-radius)}
.ruby-menu a:hover{background:var(--ruby-bg2);color:var(--ruby-primary)}
.ruby-ctabtn{background:var(--ruby-primary)!important;color:#fff!important}
.ruby-ctabtn:hover{opacity:.88!important}
.ruby-hero{padding:80px 0;background:linear-gradient(135deg,#fff5f5,#fed7d7); }
.ruby-heroInner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.ruby-eyebrow{font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--ruby-accent);margin-bottom:24px}
.ruby-heroText h1{font-size:48px;line-height:1.15;margin-bottom:20px;font-weight:700;letter-spacing:-0.5px}
.ruby-sub{font-size:16px;color:var(--ruby-ink2);line-height:1.9;margin-bottom:32px;max-width:540px}
.ruby-heroBtns{display:flex;gap:12px;margin-bottom:28px;flex-wrap:wrap}
.ruby-heroPhone{font-size:20px;color:var(--ruby-primary);font-weight:600}
.ruby-heroMedia img{width:100%;border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,.2)}
.ruby-features{padding:40px 0;border-bottom:1px solid var(--ruby-line)}
.ruby-featureGrid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.ruby-featureItem{text-align:center}
.ruby-featureIcon{color:var(--ruby-accent);font-size:24px;margin-bottom:12px}
.ruby-featureItem h4{font-size:15px;margin-bottom:6px}
.ruby-featureItem p{font-size:13px;color:var(--ruby-ink2)}
.ruby-about{padding:80px 0}
.ruby-aboutGrid{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center}
.ruby-secLabel{font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--ruby-accent);margin-bottom:12px}
.ruby-about h2{font-size:34px;font-weight:300;margin-bottom:20px}
.ruby-about p{font-size:15px;color:var(--ruby-ink2);line-height:1.9;margin-bottom:24px}
.ruby-textLink{color:var(--ruby-primary);font-weight:500}
.ruby-aboutCard{background:var(--ruby-bg2);padding:36px;border-radius:var(--ruby-radius);border-left:4px solid var(--ruby-primary)}
.ruby-aboutCard h4{font-size:18px;margin-bottom:12px;color:var(--ruby-primary)}
.ruby-aboutCard p{font-size:14px;color:var(--ruby-ink2);margin:0}
.ruby-services{padding:80px 0;background:var(--ruby-bg2)}
.ruby-secHead{margin-bottom:48px}
.ruby-secHead h2{font-size:32px;font-weight:300}
.ruby-secCenter{text-align:center}
.ruby-svcGrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ruby-svcCard{background:#fff;padding:28px 24px;border-radius:var(--ruby-radius);border:1px solid var(ruby-line);transition:.3s;position:relative}
.ruby-svcCard:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.12);border-color:var(--ruby-primary)}
.ruby-svcCard h3{font-size:16px;margin-bottom:8px}
.ruby-svcCard p{font-size:13px;color:var(--ruby-ink2);line-height:1.7}
.ruby-svcCard>span{position:absolute;top:20px;right:20px;color:var(--ruby-primary)}
.ruby-tech{padding:80px 0}
.ruby-techGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.ruby-techCard{background:#fff;padding:40px 32px;border-radius:var(--ruby-radius);text-align:center;border-top:4px solid var(ruby-primary);box-shadow:0 4px 20px rgba(0,0,0,.04)}
.ruby-techNum{font-size:48px;font-weight:200;color:var(--ruby-accent);line-height:1;margin-bottom:16px}
.ruby-techCard h3{font-size:20px;margin-bottom:16px}
.ruby-techCard p{font-size:14px;color:var(--ruby-ink2);line-height:1.8;text-align:left}
.ruby-process{padding:80px 0;background:var(--ruby-bg2)}
.ruby-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ruby-step{background:#fff;padding:28px 20px;border-radius:var(--ruby-radius);text-align:center;border:1px solid var(ruby-line)}
.ruby-stepNum{font-size:28px;font-weight:200;color:var(--ruby-primary);margin-bottom:12px}
.ruby-step h4{font-size:15px;margin-bottom:8px}
.ruby-step p{font-size:12px;color:var(--ruby-ink2);line-height:1.6}
.ruby-faq{padding:80px 0}
.ruby-faqList details{background:#fff;border-radius:var(--ruby-radius);margin-bottom:10px;padding:20px 24px;border:1px solid var(ruby-line)}
.ruby-faqList summary{cursor:pointer;font-weight:500;font-size:15px;list-style:none;position:relative;padding-right:28px}
.ruby-faqList summary::-webkit-details-marker{display:none}
.ruby-faqList summary::after{content:'+';position:absolute;right:0;top:0;color:var(--ruby-primary);font-size:22px}
.ruby-faqList details[open] summary::after{content:'−'}
.ruby-faqList details p{margin-top:12px;font-size:14px;color:var(--ruby-ink2);line-height:1.8}
.ruby-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(--ruby-radius);overflow:hidden;border:1px solid var(ruby-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(--ruby-ink)}
.article-card .card-title a:hover{color:var(--ruby-primary)}
.article-card .card-date{display:block;font-size:12px;color:var(--ruby-ink2);margin-bottom:8px}
.article-card .card-summary{overflow-wrap:anywhere;font-size:13px;color:var(--ruby-ink2);line-height:1.7}
.ruby-contact{padding:80px 0;background:linear-gradient(135deg,var(--ruby-bg2),var(--ruby-bg))}
.ruby-contactGrid{display:grid;grid-template-columns:1fr 400px;gap:60px;align-items:start}
.ruby-contact h2{font-size:32px;font-weight:300;margin:12px 0 20px}
.ruby-contact p{color:var(--ruby-ink2);margin-bottom:28px;line-height:1.8}
.ruby-bigPhone{font-size:36px;font-weight:300;color:var(--ruby-primary);display:block;margin-bottom:16px}
.ruby-note{font-size:12px;color:var(--ruby-ink2)}
.ruby-form{background:#fff;padding:32px;border-radius:var(--ruby-radius);box-shadow:0 8px 32px rgba(0,0,0,.1);}
.ruby-form input,.ruby-form select,.ruby-form textarea{width:100%;padding:12px 0;background:transparent;border:none;border-bottom:1px solid var(--ruby-line);font-size:14px;font-family:inherit;margin-bottom:20px;outline:none;color:var(--ruby-ink)}
.ruby-form input:focus,.ruby-form textarea:focus,.ruby-form select:focus{border-bottom-color:var(--ruby-primary)}
.ruby-detail{padding:48px 0 80px}
.ruby-breadcrumb{font-size:13px;color:var(--ruby-ink2);margin-bottom:32px}
.ruby-breadcrumb a{color:var(--ruby-ink2)}
.ruby-article h1{font-size:34px;font-weight:500;margin-bottom:16px}
.ruby-artDate{font-size:13px;color:var(--ruby-accent);margin-bottom:20px}
.ruby-artSummary{font-size:16px;color:var(--ruby-ink2);line-height:1.9;padding:20px;background:var(--ruby-bg2);border-left:4px solid var(--ruby-primary);border-radius:0 var(--ruby-radius) var(--ruby-radius) 0;margin-bottom:32px;font-style:italic}
.ruby-artCover{margin-bottom:32px;border-radius:var(--ruby-radius);overflow:hidden}
.ruby-artBody{font-size:16px;line-height:2;color:var(--ruby-ink)}
.ruby-artBody h2{font-size:24px;margin:40px 0 20px;font-weight:600;padding-bottom:12px;border-bottom:2px solid var(--ruby-accent)}
.ruby-artBody h3{font-size:19px;margin:28px 0 14px;color:var(--ruby-primary)}
.ruby-artBody p{margin-bottom:20px}
.ruby-disclaimer{margin-top:40px;padding:20px;background:#fff8f0;border-radius:var(--ruby-radius);font-size:13px;color:#92400e;line-height:1.7}
.ruby-artActions{margin:32px 0;display:flex;gap:12px;justify-content:center}
.ruby-related{margin-top:40px;padding-top:24px;border-top:1px solid var(--ruby-line)}
.ruby-related h4{margin-bottom:16px}
.ruby-related a{display:inline-block;margin-right:16px;margin-bottom:8px;padding:8px 16px;background:var(--ruby-bg2);border-radius:var(--ruby-radius);font-size:13px;color:var(--ruby-primary)}
.ruby-footer{background:#1a1a1a;color:#aaa;padding:60px 0 0}
.ruby-footTop{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.ruby-fBrand h3{color:#fff;font-size:22px;margin-bottom:12px}
.ruby-fBrand p{font-size:13px;opacity:.7;margin-bottom:20px}
.ruby-fPhone{color:var(--ruby-primary);font-size:22px}
.ruby-fCol h5{color:#fff;font-size:13px;margin-bottom:16px}
.ruby-fCol a{display:block;font-size:13px;color:#777;margin-bottom:10px}
.ruby-fCol a:hover{color:var(--ruby-accent)}
.ruby-fLinks{padding:24px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.ruby-fLinks h6{font-size:12px;color:#666;margin-bottom:12px}
.ruby-fLinks>div{display:flex;flex-wrap:wrap;gap:16px}
.ruby-fLinks>div a{font-size:12px;color:#777}
.ruby-fLinks>div a:hover{color:var(--ruby-accent)}
.ruby-copy{padding:24px 0;text-align:center;font-size:12px;color:#666}
.ruby-copy p{margin-bottom:6px}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media(max-width:1024px){
  .ruby-heroInner{grid-template-columns:1fr;gap:40px}
  .ruby-featureGrid,.ruby-svcGrid{grid-template-columns:repeat(2,1fr)}
  .ruby-techGrid{grid-template-columns:1fr}
  .ruby-steps{grid-template-columns:repeat(2,1fr)}
  .ruby-aboutGrid,.ruby-contactGrid{grid-template-columns:1fr}
  .ruby-footTop{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .ruby-container{padding:0 20px}
  .ruby-burger{display:flex}
  .ruby-menu{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ruby-bg);flex-direction:column;padding:16px;gap:0;border-top:1px solid var(--ruby-line);box-shadow:0 8px 16px rgba(0,0,0,.08);list-style:none}
  .ruby-menu.ruby-open{display:flex}
  .ruby-menu a{padding:12px 16px;border-radius:0;border-bottom:1px solid var(--ruby-line)}
  .ruby-hero{padding:48px 0}
  .ruby-heroText h1{font-size:36px}
  .ruby-featureGrid,.ruby-svcGrid,.ruby-steps{grid-template-columns:1fr}
  .ruby-footTop{grid-template-columns:1fr}
  .ruby-article h1{font-size:26px}
  .ruby-about h2,.ruby-secHead h2,.ruby-contact h2{font-size:26px}
  .ruby-about,.ruby-services,.ruby-tech,.ruby-process,.ruby-faq,.ruby-news,.ruby-contact{padding:56px 0}
}