:root{--paper:#F5F7FA;--panel:#FFFFFF;--ink:#0E1218;--ink-soft:#4A5568;--line:#D9DEE7;--line-soft:#E9EDF3;--signal:#2547E6;--signal-deep:#152C9E;--phosphor:#0FB69A;--grid:#C6CDDA;--amber:#E8813A;--radius:4px;--maxw:1200px;}
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:'IBM Plex Sans','PingFang SC','Microsoft YaHei','Hiragino Sans GB',system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
  h1,h2,h3,.display{font-family:'Space Grotesk','PingFang SC','Microsoft YaHei',sans-serif;letter-spacing:-0.01em;line-height:1.18}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
  .eyebrow{display:block;font-family:'IBM Plex Mono',monospace;font-size:11px;font-weight:500;letter-spacing:0.16em;text-transform:uppercase;color:var(--signal)}

  header.site{position:sticky;top:0;z-index:50;background:rgba(245,247,250,0.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:64px}
  .brand{display:flex;align-items:center;font-family:'Space Grotesk';font-weight:700;font-size:19px;letter-spacing:-0.03em}
  .brand .mark{display:grid;grid-template-columns:repeat(3,4px);grid-template-rows:repeat(3,4px);gap:2px;margin-right:10px}
  .brand .mark i{background:var(--grid);border-radius:1px}
  .brand .mark i:nth-child(1),.brand .mark i:nth-child(5),.brand .mark i:nth-child(9),.brand .mark i:nth-child(6){background:var(--signal)}
  .brand .mark i:nth-child(3){background:var(--phosphor)}
  .brand .zh{margin-left:8px;font-family:'PingFang SC','Microsoft YaHei';font-size:13px;font-weight:500;color:var(--ink-soft);letter-spacing:0}
  .navlinks{display:flex;align-items:center}
  .navlinks>*{margin-left:24px}
  .navlinks>*:first-child{margin-left:0}
  .navlinks a{font-size:14.5px;color:var(--ink-soft);font-weight:500;transition:color .15s}
  .navlinks a:hover{color:var(--ink)}
  .btn{display:inline-block;font-weight:600;font-size:14.5px;padding:10px 18px;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;transition:transform .12s,background .15s;font-family:inherit;text-align:center}
  .btn-quote{background:var(--amber);color:#fff}
  .btn-quote:hover{filter:brightness(0.94);transform:translateY(-1px)}
  .btn-ghost{border-color:var(--line);color:var(--ink);background:var(--panel)}
  .btn-ghost:hover{border-color:var(--signal);color:var(--signal)}
  .langtoggle{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:12.5px;font-weight:500;padding:8px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);color:var(--ink);cursor:pointer;transition:border-color .15s,color .15s;vertical-align:middle}
  .langtoggle:hover{border-color:var(--signal);color:var(--signal)}
  .navtoggle{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:8px 10px;cursor:pointer;font-size:16px}

  .hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
  .hero-grid{position:absolute;top:0;left:0;right:0;bottom:0;z-index:0;opacity:.9;background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);background-size:34px 34px;-webkit-mask-image:radial-gradient(ellipse 80% 70% at 70% 30%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 80% 70% at 70% 30%,#000 20%,transparent 75%)}
  .hero-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;padding:76px 0 84px}
  .hero-copy{flex:1 1 460px;min-width:300px;padding-right:44px}
  .hero-inner .panel-viz{flex:0 0 44%;max-width:44%}
  .hero h1{font-size:clamp(30px,4.8vw,54px);font-weight:700;margin:16px 0 20px}
  .hero h1 .lit{color:var(--signal)}
  .hero p.lead{font-size:17px;color:var(--ink-soft);max-width:540px;margin-bottom:28px}
  .hero-cta{margin-bottom:34px}
  .hero-cta .btn{margin-right:14px;margin-bottom:10px}
  .hero-stats{display:flex;flex-wrap:wrap}
  .hero-stats .stat{margin-right:34px}
  .stat .n{font-family:'Space Grotesk';font-weight:600;font-size:24px;color:var(--ink)}
  .stat .l{font-size:12.5px;color:var(--ink-soft)}

  .panel-viz{position:relative;width:100%;height:420px;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:0 24px 60px -30px rgba(21,44,158,.35)}
  .panel-screen{position:absolute;top:16px;left:16px;right:16px;bottom:16px;border-radius:4px;background:#0E1218;overflow:hidden;display:grid;grid-template-columns:repeat(20,1fr);grid-template-rows:repeat(15,1fr);gap:2px;padding:8px}
  .px{background:#1B2130;border-radius:1px}
  .px.on{background:var(--signal)}
  .px.glow{background:var(--phosphor)}
  .panel-label{position:absolute;left:24px;bottom:20px;z-index:2;font-family:'IBM Plex Mono';font-size:10.5px;color:#7C88A0;letter-spacing:.1em}
  @keyframes scan{0%,100%{opacity:.25}50%{opacity:1}}
  .px.on,.px.glow{animation:scan 3.4s ease-in-out infinite}

  .finder{background:var(--ink);color:#fff;padding:20px 0}
  .finder .wrap{display:flex;align-items:center;flex-wrap:wrap}
  .finder label{margin-right:18px;font-size:12.5px;color:#8B97B0;font-weight:600}
  .finder input{flex:1 1 220px;margin-right:18px;background:#171C26;border:1px solid #2A3240;color:#fff;padding:12px 14px;border-radius:var(--radius);font-family:inherit;font-size:14px}
  .finder input::placeholder{color:#5B677C}
  .finder input:focus{outline:2px solid var(--signal);outline-offset:1px}
  .finder .hint{font-size:12.5px;color:#8B97B0}

  section.block{padding:68px 0;border-bottom:1px solid var(--line)}
  .sec-head{max-width:760px;margin-bottom:34px}
  .sec-head h2{font-size:clamp(24px,3.3vw,36px);font-weight:600;margin:12px 0 12px}
  .sec-head p{color:var(--ink-soft);font-size:15.5px}
  .cat-meta{margin-top:14px}
  .chip{display:inline-block;font-size:12.5px;padding:5px 12px;border:1px solid var(--line);border-radius:100px;color:var(--ink-soft);background:var(--panel);margin:0 8px 8px 0}
  .chip.blue{border-color:var(--signal);color:var(--signal)}

  .datasheet{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}
  table{width:100%;border-collapse:collapse;font-size:14.5px}
  thead th{text-align:left;font-size:12px;color:var(--ink-soft);font-weight:600;padding:14px 18px;background:var(--line-soft);border-bottom:1px solid var(--line)}
  tbody td{padding:15px 18px;border-bottom:1px solid var(--line-soft);vertical-align:top}
  tbody tr:last-child td{border-bottom:none}
  tbody tr{transition:background .12s}
  tbody tr:hover{background:#F0F3FA}
  td.size{font-family:'IBM Plex Mono';font-weight:600;color:var(--ink);white-space:nowrap}
  td.res{font-family:'IBM Plex Mono';color:var(--signal-deep);font-size:13px}
  td.app{color:var(--ink-soft)}
  .row-hidden{display:none}
  .no-match{padding:26px 18px;color:var(--ink-soft);font-size:14px;display:none}
  .no-match.show{display:block}

  .stock-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
  .stock-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:26px}
  .stock-card h3{font-size:19px;font-weight:600;margin-bottom:6px}
  .stock-card h3 .tag{display:inline-block;font-family:'IBM Plex Mono';font-size:10px;padding:3px 8px;border-radius:3px;color:#fff;margin-left:10px;vertical-align:middle}
  .tag.lcd{background:var(--signal)}
  .tag.oled{background:var(--phosphor)}
  .stock-card p.sub{font-size:13.5px;color:var(--ink-soft);margin-bottom:18px}
  .size-tags span{display:inline-block;font-family:'IBM Plex Mono';font-size:13px;font-weight:500;padding:7px 11px;background:var(--line-soft);border-radius:var(--radius);border:1px solid var(--line);margin:0 8px 8px 0}

  .guide-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--panel)}
  .guide-cell{padding:26px 28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .guide-cell:nth-child(2n){border-right:none}
  .guide-cell:nth-last-child(-n+2){border-bottom:none}
  .guide-cell .k{font-size:12.5px;color:var(--signal);margin-bottom:8px;font-weight:600}
  .guide-cell .v{font-family:'Space Grotesk';font-size:19px;font-weight:600;margin-bottom:6px}
  .guide-cell .d{font-size:13.5px;color:var(--ink-soft)}

  .cap-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
  .cap{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:26px}
  .cap .num{font-family:'IBM Plex Mono';font-size:12px;color:var(--grid)}
  .cap h3{font-size:17px;font-weight:600;margin:10px 0 8px}
  .cap p{font-size:14px;color:var(--ink-soft)}

  .faq-item{border-bottom:1px solid var(--line);padding:22px 0;cursor:pointer}
  .faq-q{display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:16px}
  .faq-q .ico{color:var(--signal);font-size:20px;transition:transform .2s;flex-shrink:0;margin-left:20px}
  .faq-item.open .faq-q .ico{transform:rotate(45deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;color:var(--ink-soft);font-size:14.5px}
  .faq-item.open .faq-a{max-height:320px;margin-top:12px}

  .rfq{background:var(--ink);color:#fff;border-radius:12px;padding:52px 44px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
  .rfq h2{font-size:30px;font-weight:600;margin-bottom:14px}
  .rfq p{color:#A7B2C6;font-size:15.5px;margin-bottom:22px}
  .rfq-points{list-style:none}
  .rfq-points li{position:relative;padding-left:18px;font-size:14.5px;color:#C7D0DF;margin-bottom:11px}
  .rfq-points li::before{content:"\25B8";position:absolute;left:0;color:var(--phosphor)}
  .form>*{margin-bottom:12px}
  .form>*:last-child{margin-bottom:0}
  .form input,.form textarea,.form select{background:#171C26;border:1px solid #2A3240;color:#fff;padding:13px 14px;border-radius:var(--radius);font-family:inherit;font-size:14px;width:100%}
  .form input:focus,.form textarea:focus,.form select:focus{outline:2px solid var(--signal);outline-offset:1px}
  .form input::placeholder,.form textarea::placeholder{color:#5B677C}
  .form .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}

  footer.site{padding:52px 0 34px}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
  .foot-grid h4{font-size:13px;color:var(--ink);font-weight:600;margin-bottom:14px}
  .foot-grid a{display:block;font-size:14px;color:var(--ink-soft);padding:5px 0;transition:color .15s}
  .foot-grid a:hover{color:var(--signal)}
  .foot-about{font-size:14px;color:var(--ink-soft);max-width:340px;margin-top:12px}
  .foot-bottom{border-top:1px solid var(--line);padding-top:22px;font-size:13px;color:var(--ink-soft);display:flex;justify-content:space-between;flex-wrap:wrap}
  .foot-bottom>span{margin-right:8px}
  .foot-bottom a{color:var(--ink-soft)}
  .foot-bottom a:hover{color:var(--signal)}

  @media(max-width:900px){
    .hero-copy{flex:1 1 100%;padding-right:0}
    .hero-inner .panel-viz{flex:1 1 100%;max-width:440px;height:300px;margin-top:36px}
    .stock-grid{grid-template-columns:1fr}
    .cap-grid{grid-template-columns:1fr}
    .guide-grid{grid-template-columns:1fr}
    .guide-cell{border-right:none}
    .guide-cell:nth-last-child(2){border-bottom:1px solid var(--line)}
    .rfq{grid-template-columns:1fr;padding:38px 26px}
    .foot-grid{grid-template-columns:1fr 1fr}
    .navlinks{display:none}
    .navlinks.show{display:block;position:absolute;top:64px;left:0;right:0;background:var(--paper);padding:12px 24px 18px;border-bottom:1px solid var(--line)}
    .navlinks.show>*{display:block;margin-left:0;margin-top:14px}
    .navlinks.show>*:first-child{margin-top:0}
    .navtoggle{display:block}
  }
  @media(max-width:560px){
    td.app{display:none}
    .foot-grid{grid-template-columns:1fr}
    .form .two{grid-template-columns:1fr}
    .rfq{padding:32px 22px}
  }
  @media(prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important}html{scroll-behavior:auto}}
  :focus-visible{outline:2px solid var(--signal);outline-offset:2px}

/* ================= Blog / Article additions ================= */
.post-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px}
.post-card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:border-color .15s,transform .15s}
.post-card:hover{border-color:var(--signal);transform:translateY(-2px)}
.post-cover{height:160px;background-size:cover;background-position:center;background-color:var(--line-soft)}
.post-body{padding:20px}
.post-body h3{font-size:17px;font-weight:600;margin-bottom:8px;line-height:1.35}
.post-body p{font-size:13.5px;color:var(--ink-soft);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-read{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--signal);font-weight:600}

.article-wrap{max-width:760px}
.back-link{display:inline-block;margin-bottom:22px;font-size:14px;color:var(--ink-soft)}
.back-link:hover{color:var(--signal)}
.article-title{font-size:clamp(26px,4vw,40px);font-weight:700;margin-bottom:12px}
.article-meta{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--ink-soft);margin-bottom:24px}
.article-cover{width:100%;border-radius:8px;border:1px solid var(--line);margin-bottom:28px;display:block}
.article-body{font-size:16.5px;line-height:1.8;color:var(--ink)}
.article-body h2{font-size:24px;font-weight:600;margin:34px 0 14px}
.article-body h3{font-size:19px;font-weight:600;margin:26px 0 10px}
.article-body p{margin-bottom:18px}
.article-body ul,.article-body ol{margin:0 0 18px 22px}
.article-body li{margin-bottom:8px}
.article-body a{color:var(--signal);text-decoration:underline}
.article-body img{max-width:100%;border-radius:6px;margin:18px 0}
.article-body blockquote{border-left:3px solid var(--signal);padding:4px 0 4px 16px;color:var(--ink-soft);margin:18px 0}
.article-body code{background:var(--line-soft);padding:2px 6px;border-radius:4px;font-size:.9em}
.article-body pre{background:var(--ink);color:#e7ecf5;padding:16px;border-radius:8px;overflow-x:auto;margin:18px 0}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-cta{margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}

@media(max-width:900px){.post-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.post-grid{grid-template-columns:1fr}}