/* 青蓝科技未来风 (511857.com) */
/* Futuristic tech 霓虹发光 + 等宽字体 + 网格线 */
:root{
  --c-bg:#001f3f;
  --c-bg-2:#002b50;
  --c-card:#0a1929;
  --c-card-2:#0f2238;
  --c-primary:#00d4ff;
  --c-primary-dk:#0099cc;
  --c-accent:#00ff9d;
  --c-danger:#ff3860;
  --c-text:#cfe8f5;
  --c-text-mid:#7fa8c4;
  --c-text-light:#4a6d8a;
  --c-text-dim:#2a4258;
  --c-border:rgba(0,212,255,.18);
  --c-border-strong:rgba(0,212,255,.4);
  --c-section-alt:#00172e;
  --shadow:0 4px 24px rgba(0,212,255,.06);
  --shadow-glow:0 0 30px rgba(0,212,255,.15);
  --shadow-lg:0 16px 50px rgba(0,0,0,.5),0 0 40px rgba(0,212,255,.08);
  --radius:2px;
  --mono:"JetBrains Mono","Consolas","SF Mono","Microsoft YaHei",monospace;
  --sans:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{
  font-family:var(--mono);
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.7;
  font-size:14px;
  background-image:linear-gradient(rgba(0,212,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.04) 1px,transparent 1px);
  background-size:50px 50px;
  background-attachment:fixed;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 28px}

/* 顶部条 */
.top-bar{background:#000a18;color:var(--c-text-light);font-size:12px;padding:8px 0;border-bottom:1px solid var(--c-border);letter-spacing:.5px}
.top-bar-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.top-bar-ticker{display:flex;align-items:center;gap:6px}
.top-bar-ticker .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 8px var(--c-accent);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.top-bar-links a{color:var(--c-primary);margin:0 2px}
.top-bar-links a:hover{color:var(--c-accent);text-shadow:0 0 6px var(--c-accent)}

/* header */
.site-header{background:rgba(0,15,30,.85);border-bottom:1px solid var(--c-border-strong);position:sticky;top:0;z-index:100;backdrop-filter:blur(10px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:66px;gap:24px}
.brand{display:flex;align-items:center;gap:10px}
.brand-logo{height:32px;width:auto;filter:brightness(0) invert(1) sepia(1) hue-rotate(170deg) saturate(8)}
.brand-logo-text{font-family:var(--mono);font-size:20px;font-weight:700;letter-spacing:1px;color:var(--c-primary);text-shadow:0 0 10px rgba(0,212,255,.4);display:inline-block}
.footer-brand .footer-logo-text{display:block;margin-bottom:14px;font-family:var(--mono);font-size:18px;font-weight:700;letter-spacing:1px;color:var(--c-primary);text-shadow:0 0 10px rgba(0,212,255,.4)}
.brand-name{font-size:18px;font-weight:700;letter-spacing:1px;color:var(--c-primary);text-shadow:0 0 10px rgba(0,212,255,.4)}
.brand-suffix{font-size:10px;color:var(--c-accent);margin-left:4px;letter-spacing:1px;font-weight:600}
.main-nav{display:flex;gap:22px;align-items:center}
.nav-link{font-size:12.5px;color:var(--c-text-mid);font-weight:500;padding:6px 0;position:relative;transition:all .2s;letter-spacing:.5px}
.nav-link:hover,.nav-link.active{color:var(--c-primary);text-shadow:0 0 8px rgba(0,212,255,.5)}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--c-primary);box-shadow:0 0 6px var(--c-primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;border-radius:var(--radius);font-weight:600;font-size:13px;cursor:pointer;border:1px solid var(--c-primary);background:transparent;color:var(--c-primary);transition:all .2s;letter-spacing:.8px;font-family:var(--mono);position:relative;overflow:hidden}
.btn-primary{background:var(--c-primary);color:#001f3f;border-color:var(--c-primary);box-shadow:0 0 16px rgba(0,212,255,.4)}
.btn-primary:hover{background:var(--c-accent);border-color:var(--c-accent);color:#001f3f;box-shadow:0 0 24px rgba(0,255,157,.5)}
.btn-sm{padding:7px 16px;font-size:12px}
.btn-ghost{background:transparent;border:1px solid var(--c-border-strong);color:var(--c-primary)}
.btn-ghost:hover{border-color:var(--c-primary);box-shadow:0 0 12px rgba(0,212,255,.3)}
.btn-light{background:var(--c-primary);color:#001f3f;border-color:var(--c-primary)}
.btn-ghost-light{background:transparent;border:1px solid rgba(0,212,255,.5);color:var(--c-primary)}
.btn-ghost-light:hover{background:rgba(0,212,255,.08);box-shadow:0 0 12px rgba(0,212,255,.3)}

/* Hero */
.hero{background:linear-gradient(180deg,#001f3f 0%,#002b50 100%);padding:80px 0 70px;position:relative;overflow:hidden;border-bottom:1px solid var(--c-border-strong)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,212,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.06) 1px,transparent 1px);background-size:50px 50px;pointer-events:none}
.hero::after{content:"";position:absolute;top:-30%;right:-20%;width:80%;height:140%;background:radial-gradient(ellipse,rgba(0,212,255,.15) 0%,transparent 50%);pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center;position:relative}
.hero-tag{display:inline-block;background:rgba(0,212,255,.1);color:var(--c-primary);padding:5px 12px;border:1px solid var(--c-border-strong);font-size:11.5px;font-weight:600;margin-bottom:22px;letter-spacing:1.5px;text-shadow:0 0 6px rgba(0,212,255,.5)}
.hero-title{font-size:46px;line-height:1.18;font-weight:700;margin-bottom:18px;color:#fff;letter-spacing:1px;text-shadow:0 0 24px rgba(0,212,255,.3)}
.hero-desc{font-size:14px;color:var(--c-text-mid);margin-bottom:30px;max-width:540px;line-height:1.85}
.hero-actions{display:flex;gap:14px;margin-bottom:38px}
.hero-stats{display:flex;gap:36px;list-style:none;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--c-border)}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats strong{font-size:26px;color:var(--c-accent);font-weight:700;letter-spacing:.5px;text-shadow:0 0 10px rgba(0,255,157,.5)}
.hero-stats span{font-size:11px;color:var(--c-text-light);letter-spacing:1px;margin-top:2px}

.hero-visual{display:flex;justify-content:center}
.holo-card{background:linear-gradient(135deg,rgba(10,25,41,.95) 0%,rgba(0,20,40,.95) 100%);border:1px solid var(--c-primary);border-radius:var(--radius);padding:0;width:100%;max-width:420px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;backdrop-filter:blur(10px)}
.holo-card::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,212,255,.05),transparent 50%);pointer-events:none}
.scan-line{position:absolute;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--c-primary),transparent);animation:scan 4s linear infinite;pointer-events:none;z-index:2;opacity:.7}
@keyframes scan{0%{top:0}100%{top:100%}}
.holo-head{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;background:rgba(0,212,255,.05);border-bottom:1px solid var(--c-border-strong);font-size:11px;letter-spacing:1px}
.holo-status{display:flex;align-items:center;gap:6px;color:var(--c-accent);font-weight:600}
.holo-dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 8px var(--c-accent);animation:pulse 1.6s infinite}
.holo-time{color:var(--c-text-mid);font-weight:600}
.holo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--c-border)}
.holo-cell{background:#0a1929;padding:16px;display:flex;flex-direction:column;gap:4px;transition:background .2s}
.holo-cell:hover{background:#0f2238}
.holo-sym{font-size:11px;color:var(--c-text-light);letter-spacing:.8px}
.holo-px{font-size:18px;color:#fff;font-weight:700;letter-spacing:.5px;text-shadow:0 0 6px rgba(0,212,255,.4)}
.holo-chg{font-size:11.5px;font-weight:600}
.holo-chg.up{color:var(--c-accent);text-shadow:0 0 4px rgba(0,255,157,.5)}
.holo-chg.dn{color:var(--c-danger);text-shadow:0 0 4px rgba(255,56,96,.5)}
.holo-spark{padding:14px 18px;border-top:1px solid var(--c-border)}
.holo-spark svg{width:100%;height:50px;display:block}
.holo-foot{display:flex;justify-content:space-between;padding:10px 18px;background:rgba(0,212,255,.04);border-top:1px solid var(--c-border);font-size:10.5px;color:var(--c-text-light);letter-spacing:.5px}
.holo-foot em{color:var(--c-primary);font-style:normal;font-weight:600}

/* trust strip */
.trust-strip{background:#000a18;padding:20px 0;border-bottom:1px solid var(--c-border)}
.trust-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}
.trust-item{display:flex;flex-direction:column;gap:3px;text-align:center}
.trust-item strong{color:var(--c-primary);font-size:14px;font-weight:700;letter-spacing:.8px;text-shadow:0 0 6px rgba(0,212,255,.4)}
.trust-item span{font-size:11px;color:var(--c-text-light);letter-spacing:.5px}

/* section */
.section{padding:75px 0}
.section-alt{background:var(--c-section-alt);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.section-head{max-width:780px;margin:0 auto 48px}
.section-tag{display:inline-block;color:var(--c-accent);font-size:11.5px;font-weight:600;letter-spacing:2px;margin-bottom:14px;padding:4px 10px;border:1px solid var(--c-border-strong);background:rgba(0,255,157,.05);text-shadow:0 0 4px rgba(0,255,157,.4)}
.section-title{font-size:32px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.8px;text-shadow:0 0 16px rgba(0,212,255,.3)}
.section-desc{font-size:14px;color:var(--c-text-mid);line-height:1.85}

/* products */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.product-card{background:linear-gradient(180deg,rgba(10,25,41,.9) 0%,rgba(0,15,30,.9) 100%);border:1px solid var(--c-border);border-radius:var(--radius);padding:26px 22px;transition:all .25s;display:flex;flex-direction:column;position:relative;overflow:hidden}
.product-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--c-primary),transparent);opacity:0;transition:opacity .25s}
.product-card:hover{border-color:var(--c-primary);box-shadow:var(--shadow-glow);transform:translateY(-3px)}
.product-card:hover::before{opacity:1}
.product-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--c-border)}
.product-tag{font-size:11px;font-weight:700;color:var(--c-primary);background:rgba(0,212,255,.1);padding:3px 8px;border:1px solid var(--c-border-strong);letter-spacing:.8px}
.product-count{font-size:11px;color:var(--c-text-light);letter-spacing:.5px}
.product-card h3{font-size:19px;color:#fff;margin-bottom:10px;font-weight:700;letter-spacing:.5px}
.product-card p{font-size:13px;color:var(--c-text-mid);margin-bottom:16px;line-height:1.8;font-family:var(--sans)}
.product-card ul{list-style:none;margin-top:auto}
.product-card li{font-size:12px;color:var(--c-text);padding:4px 0;padding-left:18px;position:relative;line-height:1.6;font-family:var(--sans)}
.product-card li::before{content:">";position:absolute;left:0;color:var(--c-accent);font-weight:700;font-family:var(--mono)}

/* platform */
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.platform-card{background:linear-gradient(180deg,rgba(10,25,41,.9) 0%,rgba(0,15,30,.9) 100%);border:1px solid var(--c-border);border-radius:var(--radius);padding:28px 22px;position:relative;transition:all .25s;overflow:hidden}
.platform-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--c-accent),transparent);opacity:0;transition:opacity .25s}
.platform-card:hover{border-color:var(--c-accent);box-shadow:0 0 24px rgba(0,255,157,.1)}
.platform-card:hover::before{opacity:1}
.platform-no{position:absolute;top:18px;right:22px;font-size:11px;color:var(--c-primary);letter-spacing:1px;font-weight:600}
.platform-card h3{font-size:17px;color:#fff;margin-bottom:10px;font-weight:700;padding-right:36px;letter-spacing:.5px}
.platform-card p{font-size:13px;color:var(--c-text-mid);margin-bottom:14px;line-height:1.8;font-family:var(--sans)}
.link-arrow{color:var(--c-primary);font-weight:600;font-size:12.5px;letter-spacing:.5px;border-bottom:1px solid transparent;transition:all .2s;padding-bottom:2px}
.link-arrow:hover{border-bottom-color:var(--c-primary);text-shadow:0 0 6px rgba(0,212,255,.5)}

/* about */
.about-inner{display:grid;grid-template-columns:1.15fr 1fr;gap:54px;align-items:center}
.about-text p{font-family:var(--sans);color:var(--c-text-mid);margin-bottom:14px;font-size:14px;line-height:1.9}
.about-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;list-style:none;margin-top:24px}
.about-list li{background:rgba(10,25,41,.8);border:1px solid var(--c-border);padding:18px;border-radius:var(--radius);text-align:center;border-left:3px solid var(--c-accent)}
.about-list strong{display:block;font-size:24px;color:var(--c-accent);font-weight:700;letter-spacing:.5px;text-shadow:0 0 8px rgba(0,255,157,.4)}
.about-list span{font-size:11px;color:var(--c-text-light);letter-spacing:1px;margin-top:4px;font-family:var(--sans)}

.engine-card{background:linear-gradient(135deg,rgba(10,25,41,.95) 0%,rgba(0,15,30,.95) 100%);border:1px solid var(--c-primary);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.engine-card::before{content:"";position:absolute;top:0;left:0;width:40px;height:40px;border-top:2px solid var(--c-accent);border-left:2px solid var(--c-accent)}
.engine-card::after{content:"";position:absolute;bottom:0;right:0;width:40px;height:40px;border-bottom:2px solid var(--c-accent);border-right:2px solid var(--c-accent)}
.ec-head{display:flex;align-items:center;gap:8px;color:var(--c-accent);font-size:11.5px;letter-spacing:1.5px;padding-bottom:14px;border-bottom:1px solid var(--c-border);margin-bottom:14px;font-weight:600;text-shadow:0 0 6px rgba(0,255,157,.4)}
.ec-dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 8px var(--c-accent);animation:pulse 1.6s infinite}
.ec-row{display:flex;justify-content:space-between;padding:7px 0;font-size:12px;color:var(--c-text-mid);border-bottom:1px solid rgba(0,212,255,.05)}
.ec-val{color:var(--c-primary);font-weight:700;letter-spacing:.5px;text-shadow:0 0 4px rgba(0,212,255,.3)}
.ec-spark{margin-top:14px;padding-top:10px;border-top:1px solid var(--c-border)}
.ec-spark svg{width:100%;height:50px;display:block}
.ec-foot{font-size:10.5px;color:var(--c-text-light);text-align:right;margin-top:6px;letter-spacing:.5px}

/* faq */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{background:rgba(10,25,41,.7);border:1px solid var(--c-border);border-radius:var(--radius);margin-bottom:10px;overflow:hidden;transition:all .2s}
.faq-item:hover{border-color:var(--c-border-strong)}
.faq-item[open]{border-color:var(--c-primary);box-shadow:0 0 16px rgba(0,212,255,.1)}
.faq-item summary{padding:18px 24px;cursor:pointer;font-weight:600;font-size:14.5px;color:#fff;list-style:none;display:flex;justify-content:space-between;align-items:center;letter-spacing:.5px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"[+]";color:var(--c-primary);font-size:14px;font-weight:600;transition:transform .2s}
.faq-item[open] summary::after{content:"[−]";color:var(--c-accent)}
.faq-answer{padding:0 24px 20px;font-family:var(--sans);color:var(--c-text-mid);font-size:13.5px;line-height:1.9;border-top:1px solid var(--c-border)}
.faq-answer p{padding-top:14px}

/* latest news */
.latest-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.latest-card{background:linear-gradient(180deg,rgba(10,25,41,.9) 0%,rgba(0,15,30,.9) 100%);border:1px solid var(--c-border);border-radius:var(--radius);padding:22px;transition:all .25s;display:flex;flex-direction:column;position:relative;overflow:hidden}
.latest-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--c-primary),transparent);opacity:0;transition:opacity .25s}
.latest-card:hover{border-color:var(--c-primary);box-shadow:var(--shadow-glow);transform:translateY(-3px)}
.latest-card:hover::before{opacity:1}
.latest-card h3{font-size:14.5px;line-height:1.55;color:#fff;margin-bottom:10px;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;letter-spacing:.3px}
.latest-card h3:hover{color:var(--c-primary);text-shadow:0 0 6px rgba(0,212,255,.5)}
.latest-card p{font-size:12.5px;color:var(--c-text-light);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7;font-family:var(--sans)}
.latest-card time{font-size:11px;color:var(--c-accent);letter-spacing:.8px;margin-top:auto;padding-top:8px;border-top:1px solid var(--c-border)}
.section-more{text-align:center;margin-top:38px}

/* CTA */
.cta{background:linear-gradient(180deg,#00172e 0%,#001f3f 100%);color:#fff;padding:64px 0;text-align:center;position:relative;overflow:hidden;border-top:1px solid var(--c-border-strong);border-bottom:1px solid var(--c-border-strong)}
.cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,212,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.06) 1px,transparent 1px);background-size:50px 50px;pointer-events:none}
.cta::after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60%;height:200%;background:radial-gradient(ellipse,rgba(0,212,255,.15) 0%,transparent 50%);pointer-events:none}
.cta-inner{position:relative}
.cta h2{font-size:30px;margin-bottom:12px;font-weight:700;letter-spacing:1px;text-shadow:0 0 20px rgba(0,212,255,.4)}
.cta p{font-family:var(--sans);color:var(--c-text-mid);margin-bottom:26px;font-size:14px}
.cta-actions{display:flex;gap:14px;justify-content:center}

/* footer */
.site-footer{background:#000a18;color:var(--c-text-light);padding:56px 0 0;border-top:1px solid var(--c-border-strong)}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.footer-brand .footer-logo{height:32px;width:auto;margin-bottom:14px;filter:brightness(0) invert(1) sepia(1) hue-rotate(170deg) saturate(8)}
.footer-brand p{font-family:var(--sans);font-size:12px;margin-bottom:10px;line-height:1.75;color:var(--c-text-light)}
.footer-disclaimer{font-family:var(--sans);font-size:11px;color:var(--c-text-dim);line-height:1.8;padding:12px;background:rgba(0,212,255,.04);border-left:2px solid var(--c-primary);border-radius:var(--radius)}
.footer-col h4{color:var(--c-primary);font-size:12px;margin-bottom:14px;font-weight:700;letter-spacing:1.5px;text-shadow:0 0 4px rgba(0,212,255,.3)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{font-family:var(--sans);font-size:12.5px;color:var(--c-text-light);transition:all .2s;letter-spacing:.3px}
.footer-col a:hover{color:var(--c-primary);text-shadow:0 0 4px rgba(0,212,255,.4)}
.footer-bottom{border-top:1px solid var(--c-border);padding:20px 0;text-align:center;font-size:11px;color:var(--c-text-dim);letter-spacing:.5px}

/* ====== 新闻页样式 ====== */
.news-loading,.news-empty,.news-error{padding:50px;text-align:center;color:var(--c-text-light);font-size:13px}
.news-list{list-style:none}
.news-item{border-bottom:1px solid var(--c-border);padding:20px 0;transition:background .2s}
.news-item:hover{background:rgba(0,212,255,.04)}
.news-item-link{display:flex;align-items:baseline;gap:14px;margin-bottom:6px}
.news-date{color:var(--c-accent);font-size:12px;font-weight:600;white-space:nowrap;flex-shrink:0;letter-spacing:.5px}
.news-title{font-size:15.5px;font-weight:600;color:#fff;line-height:1.55;letter-spacing:.3px}
.news-item:hover .news-title{color:var(--c-primary);text-shadow:0 0 6px rgba(0,212,255,.4)}
.news-preview{font-family:var(--sans);color:var(--c-text-light);font-size:12.5px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;padding-left:78px}
.pagination{display:flex;justify-content:center;gap:5px;margin-top:38px;flex-wrap:wrap}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border:1px solid var(--c-border);border-radius:var(--radius);font-size:13px;color:var(--c-text);transition:all .2s}
.pagination a:hover{background:var(--c-primary);color:#001f3f;border-color:var(--c-primary);box-shadow:0 0 12px rgba(0,212,255,.4)}
.pagination .page-cur{background:var(--c-primary);color:#001f3f;border-color:var(--c-primary);font-weight:700;box-shadow:0 0 10px rgba(0,212,255,.4)}

/* article */
.news-article{background:linear-gradient(135deg,rgba(10,25,41,.95) 0%,rgba(0,15,30,.95) 100%);padding:44px;border:1px solid var(--c-primary);border-radius:var(--radius);box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.news-article::before{content:"";position:absolute;top:0;left:0;width:50px;height:50px;border-top:2px solid var(--c-accent);border-left:2px solid var(--c-accent)}
.news-article::after{content:"";position:absolute;bottom:0;right:0;width:50px;height:50px;border-bottom:2px solid var(--c-accent);border-right:2px solid var(--c-accent)}
.article-title{font-size:28px;line-height:1.4;color:#fff;margin-bottom:18px;font-weight:700;letter-spacing:.5px;text-shadow:0 0 16px rgba(0,212,255,.3)}
.article-meta{display:flex;gap:18px;color:var(--c-text-light);font-size:12px;padding-bottom:16px;border-bottom:1px solid var(--c-border);margin-bottom:24px;align-items:center;letter-spacing:.5px}
.article-content{font-family:var(--sans);font-size:15px;line-height:2;color:var(--c-text-mid)}
.article-content p{margin-bottom:18px}
.article-content p:first-child::first-letter{font-family:var(--mono);font-size:38px;font-weight:700;color:var(--c-accent);float:left;line-height:1;margin-right:10px;margin-top:4px;text-shadow:0 0 10px rgba(0,255,157,.4)}
.article-footer{margin-top:30px;padding-top:20px;border-top:1px solid var(--c-border)}
.back-link{color:var(--c-primary);font-weight:600;font-size:13px;letter-spacing:.5px;border-bottom:1px solid transparent;transition:all .2s;padding-bottom:2px}
.back-link:hover{border-bottom-color:var(--c-primary);text-shadow:0 0 6px rgba(0,212,255,.5)}

/* page banner */
.page-banner{background:linear-gradient(180deg,#00172e 0%,#002b50 100%);color:#fff;padding:54px 0;text-align:center;border-bottom:1px solid var(--c-border-strong);position:relative;overflow:hidden}
.page-banner::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,212,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.06) 1px,transparent 1px);background-size:50px 50px;pointer-events:none}
.page-banner .container{position:relative}
.page-banner h1{font-size:30px;margin-bottom:6px;font-weight:700;letter-spacing:1px;text-shadow:0 0 16px rgba(0,212,255,.3)}
.page-banner p{color:var(--c-text-mid);font-size:13px;letter-spacing:.5px;font-family:var(--sans)}
.breadcrumb{font-size:11.5px;color:var(--c-text-light);margin-top:14px;letter-spacing:.5px}
.breadcrumb a{color:var(--c-primary)}
.breadcrumb a:hover{color:var(--c-accent);text-shadow:0 0 6px rgba(0,255,157,.4)}

/* news layout */
.news-page-main{padding:54px 0}
.news-page-layout{display:grid;grid-template-columns:1fr 280px;gap:36px;align-items:start}
.news-sidebar{background:rgba(10,25,41,.7);border:1px solid var(--c-border);border-radius:var(--radius);padding:22px;position:sticky;top:88px}
.news-sidebar h3{font-size:11.5px;color:var(--c-accent);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--c-accent);letter-spacing:1.5px;font-weight:600;text-shadow:0 0 4px rgba(0,255,157,.4)}
.news-sidebar ul{list-style:none}
.news-sidebar li{padding:7px 0;border-bottom:1px solid var(--c-border)}
.news-sidebar li:last-child{border-bottom:none}
.news-sidebar a{font-family:var(--sans);font-size:12.5px;line-height:1.5;color:var(--c-text-mid);letter-spacing:.3px}
.news-sidebar a:hover{color:var(--c-primary);text-shadow:0 0 4px rgba(0,212,255,.4)}

/* responsive */
@media (max-width:960px){
  .hero-inner,.about-inner,.news-page-layout{grid-template-columns:1fr}
  .products-grid,.platform-grid,.latest-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:repeat(2,1fr)}
  .main-nav{display:none}
  .hero-title{font-size:34px}
  .section-title{font-size:26px}
  .hero-stats{gap:22px}
  .holo-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:600px){
  .products-grid,.platform-grid,.latest-grid,.footer-inner{grid-template-columns:1fr}
  .top-bar-links{display:none}
  .hero{padding:48px 0}
  .hero-title{font-size:28px}
  .section{padding:48px 0}
  .news-article{padding:26px}
  .article-title{font-size:22px}
  .hero-stats{gap:18px}
  .hero-stats strong{font-size:22px}
  .btn{min-height:46px;padding:12px 24px;font-size:14px}
  .btn-sm{min-height:44px}
  .hero-actions,.cta-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  /* 新闻列表页移动端适配 */
  .news-page-layout{grid-template-columns:1fr !important}
  .news-sidebar{position:static !important;margin-top:30px}
  .news-item-link{flex-direction:column;align-items:flex-start;gap:4px}
  .news-preview{padding-left:0}
  .news-title{font-size:15px}
  .pagination{gap:4px}
  .pagination a,.pagination span{min-width:36px;height:36px;font-size:13px;padding:0 8px}
  /* 新闻详情页移动端适配 */
  .news-article{padding:20px 16px}
  .article-title{font-size:22px;line-height:1.4}
  .article-meta{flex-direction:column;align-items:flex-start;gap:6px}
  .article-content{font-size:15px;line-height:1.8}
  .article-content p{margin-bottom:14px}
}