/* 蓝白清爽专业风 (389755.com) */
/* Bloomberg/Reuters 风格金融数据终端 */
:root{
  --c-bg:#ffffff;
  --c-bg-2:#f5f8fa;
  --c-primary:#0066cc;
  --c-primary-dk:#004999;
  --c-accent:#00a36c;
  --c-danger:#d62828;
  --c-text:#0f1f33;
  --c-text-mid:#3d4d61;
  --c-text-light:#6b7a8c;
  --c-border:#dde3ea;
  --c-border-lt:#eef2f6;
  --c-card:#ffffff;
  --c-section-alt:#f5f8fa;
  --shadow:0 1px 3px rgba(15,31,51,.06),0 1px 2px rgba(15,31,51,.04);
  --shadow-md:0 4px 12px rgba(15,31,51,.08);
  --shadow-lg:0 12px 32px rgba(15,31,51,.12);
  --radius:4px;
  --radius-md:6px;
  --mono:"SF Mono","Consolas","Roboto Mono",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{
  font-family:"Inter","Helvetica Neue","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.6;
  font-size:14px;
}
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:#0f1f33;color:#a8b6c8;font-size:12px;padding:7px 0;border-bottom:1px solid #1a2d44}
.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;font-family:var(--mono);letter-spacing:.3px}
.top-bar-ticker .dot{width:6px;height:6px;border-radius:50%;background:#00ff9d;box-shadow:0 0 6px #00ff9d;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.top-bar-links a{color:#5eb3ff;margin:0 2px;font-weight:500}
.top-bar-links a:hover{color:#fff}

/* header */
.site-header{background:#fff;border-bottom:1px solid var(--c-border);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:24px}
.brand{display:flex;align-items:center;gap:9px}
.brand-logo{height:30px;width:auto}
.brand-logo-text{font-size:24px;font-weight:800;color:var(--c-primary);letter-spacing:-.5px;font-family:inherit;display:inline-block}
.brand-name{font-size:18px;font-weight:700;letter-spacing:-.2px;color:var(--c-text);font-family:var(--mono)}
.brand-suffix{font-size:9px;color:var(--c-primary);margin-left:5px;letter-spacing:1.5px;font-weight:600;padding:2px 5px;border:1px solid var(--c-primary);border-radius:2px;vertical-align:middle}
.main-nav{display:flex;gap:26px;align-items:center}
.nav-link{font-size:13px;color:var(--c-text-mid);font-weight:500;padding:6px 0;position:relative;transition:color .15s;text-transform:uppercase;letter-spacing:.5px}
.nav-link:hover,.nav-link.active{color:var(--c-primary)}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--c-primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 22px;border-radius:var(--radius);font-weight:600;font-size:13px;cursor:pointer;border:1px solid transparent;transition:all .15s;letter-spacing:.3px}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn-primary:hover{background:var(--c-primary-dk);border-color:var(--c-primary-dk)}
.btn-sm{padding:7px 16px;font-size:12px}
.btn-ghost{background:#fff;border:1px solid var(--c-border);color:var(--c-text)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-ghost-light{background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.1)}

/* Hero */
.hero{background:#fff;padding:56px 0 60px;border-bottom:1px solid var(--c-border);position:relative}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,102,204,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,102,204,.04) 1px,transparent 1px);background-size:40px 40px;pointer-events:none;opacity:.6}
.hero-inner{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;position:relative}
.hero-tag{display:inline-block;background:#e6f0ff;color:var(--c-primary);padding:4px 10px;border-radius:2px;font-size:11px;font-weight:700;margin-bottom:18px;letter-spacing:1.5px;font-family:var(--mono)}
.hero-title{font-size:42px;line-height:1.15;font-weight:800;margin-bottom:16px;color:var(--c-text);letter-spacing:-.8px}
.hero-desc{font-size:14.5px;color:var(--c-text-mid);margin-bottom:26px;max-width:540px;line-height:1.75}
.hero-actions{display:flex;gap:12px;margin-bottom:34px}
.hero-stats{display:flex;gap:32px;list-style:none;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--c-border-lt)}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats strong{font-size:24px;color:var(--c-primary);font-weight:800;font-family:var(--mono);letter-spacing:-.5px}
.hero-stats span{font-size:11px;color:var(--c-text-light);text-transform:uppercase;letter-spacing:.6px;margin-top:2px}

.hero-visual{display:flex;justify-content:center}
.terminal-wall{background:#0f1f33;border:1px solid #1a2d44;border-radius:6px;padding:0;width:100%;max-width:440px;font-family:var(--mono);box-shadow:var(--shadow-lg);overflow:hidden}
.tw-head{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:#16263d;color:#7d96b3;font-size:10.5px;letter-spacing:1.2px;border-bottom:1px solid #1a2d44}
.tw-title{color:#5eb3ff;font-weight:700}
.tw-time{color:#5a7194}
.tw-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#1a2d44}
.tw-cell{background:#0f1f33;padding:14px 12px;display:flex;flex-direction:column;gap:3px;transition:background .2s}
.tw-cell:hover{background:#16263d}
.tw-sym{font-size:10.5px;color:#7d96b3;letter-spacing:.6px}
.tw-px{font-size:16px;color:#fff;font-weight:700;letter-spacing:-.3px}
.tw-chg{font-size:11px;font-weight:600}
.tw-chg.up{color:#00ff9d}
.tw-chg.dn{color:#ff5c6c}
.tw-foot{display:flex;justify-content:space-between;padding:8px 16px;background:#16263d;color:#5a7194;font-size:10px;border-top:1px solid #1a2d44;letter-spacing:.5px}

/* trust strip */
.trust-strip{background:var(--c-bg-2);padding:18px 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;align-items:baseline;gap:8px}
.trust-item strong{color:var(--c-primary);font-size:14px;font-weight:700;font-family:var(--mono);letter-spacing:.5px}
.trust-item span{font-size:11px;color:var(--c-text-light);text-transform:uppercase;letter-spacing:.5px}

/* section */
.section{padding:70px 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:760px;margin:0 auto 44px}
.section-tag{display:inline-block;color:var(--c-primary);font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px;font-family:var(--mono);padding-bottom:6px;border-bottom:2px solid var(--c-primary)}
.section-title{font-size:30px;font-weight:800;color:var(--c-text);margin-bottom:12px;letter-spacing:-.5px}
.section-desc{font-size:14.5px;color:var(--c-text-mid);line-height:1.7}

/* products */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.product-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-md);padding:24px 22px;transition:all .2s;display:flex;flex-direction:column}
.product-card:hover{border-color:var(--c-primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.product-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--c-border-lt)}
.product-tag{font-family:var(--mono);font-size:10px;font-weight:700;color:var(--c-primary);background:#e6f0ff;padding:3px 7px;border-radius:2px;letter-spacing:1px}
.product-count{font-family:var(--mono);font-size:11px;color:var(--c-text-light)}
.product-card h3{font-size:19px;color:var(--c-text);margin-bottom:8px;font-weight:700}
.product-p{font-size:13px;color:var(--c-text-mid);margin-bottom:14px;line-height:1.7}
.product-card ul{list-style:none;margin-top:auto}
.product-card li{font-size:12px;color:var(--c-text);padding:4px 0;padding-left:16px;position:relative;line-height:1.6}
.product-card li::before{content:"›";position:absolute;left:0;color:var(--c-primary);font-weight:700;font-family:var(--mono)}

/* platform */
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.platform-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-md);padding:26px 22px;position:relative;transition:all .2s}
.platform-card:hover{border-color:var(--c-primary);box-shadow:var(--shadow-md)}
.platform-no{position:absolute;top:18px;right:22px;font-family:var(--mono);font-size:11px;color:var(--c-text-light);letter-spacing:1px}
.platform-card h3{font-size:17px;color:var(--c-text);margin-bottom:8px;font-weight:700;padding-right:32px}
.platform-card p{font-size:13px;color:var(--c-text-mid);margin-bottom:14px;line-height:1.7}
.link-arrow{color:var(--c-primary);font-weight:600;font-size:12.5px;font-family:var(--mono);letter-spacing:.5px}
.link-arrow:hover{color:var(--c-primary-dk)}

/* about */
.about-inner{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:center}
.about-text p{color:var(--c-text-mid);margin-bottom:14px;font-size:14.5px;line-height:1.8}
.about-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;list-style:none;margin-top:24px}
.about-list li{background:#fff;border:1px solid var(--c-border);padding:16px;border-radius:var(--radius-md);border-left:3px solid var(--c-primary)}
.about-list strong{display:block;font-size:22px;color:var(--c-primary);font-weight:800;font-family:var(--mono);letter-spacing:-.5px}
.about-list span{font-size:11px;color:var(--c-text-light);text-transform:uppercase;letter-spacing:.6px}

.data-card{background:#0f1f33;border:1px solid #1a2d44;border-radius:6px;padding:24px;font-family:var(--mono);box-shadow:var(--shadow-lg)}
.dc-head{display:flex;align-items:center;gap:8px;color:#5eb3ff;font-size:11px;letter-spacing:1.5px;padding-bottom:14px;border-bottom:1px solid #1a2d44;margin-bottom:14px}
.dc-dot{width:7px;height:7px;border-radius:50%;background:#00ff9d;box-shadow:0 0 8px #00ff9d;animation:pulse 1.6s infinite}
.dc-row{display:flex;justify-content:space-between;padding:7px 0;font-size:12px;color:#a8b6c8;border-bottom:1px solid rgba(255,255,255,.04)}
.dc-val{color:#fff;font-weight:700;letter-spacing:.3px}
.dc-spark{margin-top:14px;padding-top:10px;border-top:1px solid #1a2d44}
.dc-spark svg{width:100%;height:50px;display:block}
.dc-foot{font-size:10px;color:#5a7194;text-align:right;margin-top:6px;letter-spacing:.5px}

/* faq */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-md);margin-bottom:8px;overflow:hidden;transition:border-color .15s}
.faq-item:hover{border-color:var(--c-primary)}
.faq-item summary{padding:16px 22px;cursor:pointer;font-weight:600;font-size:14.5px;color:var(--c-text);list-style:none;display:flex;justify-content:space-between;align-items:center;font-family:"Inter",sans-serif}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--c-primary);font-size:18px;font-weight:300;font-family:var(--mono);transition:transform .2s}
.faq-item[open] summary::after{content:"–"}
.faq-answer{padding:0 22px 18px;color:var(--c-text-mid);font-size:13.5px;line-height:1.8;border-top:1px solid var(--c-border-lt)}
.faq-answer p{padding-top:14px}

/* latest news */
.latest-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.latest-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-md);padding:20px;transition:all .2s;display:flex;flex-direction:column}
.latest-card:hover{border-color:var(--c-primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.latest-card h3{font-size:14.5px;line-height:1.55;color:var(--c-text);margin-bottom:10px;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.latest-card h3:hover{color:var(--c-primary)}
.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}
.latest-card time{font-size:11px;color:var(--c-text-light);font-family:var(--mono);letter-spacing:.3px;margin-top:auto;padding-top:8px;border-top:1px solid var(--c-border-lt)}
.section-more{text-align:center;margin-top:36px}

/* CTA */
.cta{background:linear-gradient(135deg,#0f1f33 0%,#0d3a6e 100%);color:#fff;padding:60px 0;text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,102,204,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(0,102,204,.08) 1px,transparent 1px);background-size:40px 40px;pointer-events:none}
.cta-inner{position:relative}
.cta h2{font-size:30px;margin-bottom:10px;font-weight:800;letter-spacing:-.5px}
.cta p{color:#a8b6c8;margin-bottom:24px;font-size:14px}
.cta-actions{display:flex;gap:12px;justify-content:center}

/* footer */
.site-footer{background:#0a1626;color:#7d96b3;padding:54px 0 0}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.footer-brand .footer-logo{height:30px;width:auto;margin-bottom:14px;filter:brightness(0) invert(1)}
.footer-brand .footer-logo-text{display:block;margin-bottom:14px;color:#fff;font-size:22px;font-weight:800;letter-spacing:-.5px;font-family:inherit}
.footer-brand p{font-size:12px;margin-bottom:10px;line-height:1.7;color:#7d96b3}
.footer-disclaimer{font-size:11px;color:#4a6280;line-height:1.7;padding:12px;background:rgba(255,255,255,.03);border-left:2px solid var(--c-primary);border-radius:2px}
.footer-col h4{color:#fff;font-size:12px;margin-bottom:14px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;font-family:var(--mono)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{font-size:12.5px;color:#7d96b3;transition:color .15s}
.footer-col a:hover{color:#5eb3ff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:18px 0;text-align:center;font-size:11px;color:#4a6280;font-family:var(--mono);letter-spacing:.4px}

/* ====== 新闻页样式 ====== */
.news-loading,.news-empty,.news-error{padding:50px;text-align:center;color:var(--c-text-light);font-family:var(--mono);font-size:13px}
.news-list{list-style:none}
.news-item{border-bottom:1px solid var(--c-border);padding:18px 0;transition:background .15s}
.news-item:hover{background:var(--c-bg-2)}
.news-item-link{display:flex;align-items:baseline;gap:14px;margin-bottom:6px}
.news-date{color:var(--c-primary);font-size:12px;font-weight:600;white-space:nowrap;flex-shrink:0;font-family:var(--mono);letter-spacing:.3px}
.news-title{font-size:15.5px;font-weight:600;color:var(--c-text);line-height:1.55}
.news-item:hover .news-title{color:var(--c-primary)}
.news-preview{color:var(--c-text-light);font-size:12.5px;line-height:1.7;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:36px;flex-wrap:wrap}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 12px;border:1px solid var(--c-border);border-radius:var(--radius);font-size:13px;color:var(--c-text);font-family:var(--mono);transition:all .15s}
.pagination a:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.pagination .page-cur{background:var(--c-primary);color:#fff;border-color:var(--c-primary);font-weight:700}

/* article */
.news-article{background:#fff;padding:44px;border:1px solid var(--c-border);border-radius:var(--radius-md);box-shadow:var(--shadow)}
.article-title{font-size:28px;line-height:1.35;color:var(--c-text);margin-bottom:16px;font-weight:800;letter-spacing:-.4px}
.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;font-family:var(--mono);letter-spacing:.3px}
.article-content{font-size:15px;line-height:1.95;color:var(--c-text)}
.article-content p{margin-bottom:18px}
.article-content p:first-child::first-letter{font-size:36px;font-weight:700;color:var(--c-primary);float:left;line-height:1;margin-right:8px;margin-top:4px;font-family:var(--mono)}
.article-footer{margin-top:30px;padding-top:18px;border-top:1px solid var(--c-border)}
.back-link{color:var(--c-primary);font-weight:600;font-family:var(--mono);font-size:13px;letter-spacing:.3px}

/* page banner */
.page-banner{background:#0f1f33;color:#fff;padding:48px 0;border-bottom:1px solid #1a2d44;position:relative}
.page-banner::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,102,204,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(0,102,204,.06) 1px,transparent 1px);background-size:40px 40px;pointer-events:none}
.page-banner .container{position:relative}
.page-banner h1{font-size:30px;margin-bottom:6px;font-weight:800;letter-spacing:-.5px}
.page-banner p{color:#a8b6c8;font-size:13px}
.breadcrumb{font-size:11px;color:#7d96b3;margin-top:14px;font-family:var(--mono);letter-spacing:.4px}
.breadcrumb a{color:#5eb3ff}
.breadcrumb a:hover{color:#fff}

/* news layout */
.news-page-main{padding:48px 0}
.news-page-layout{display:grid;grid-template-columns:1fr 280px;gap:36px;align-items:start}
.news-sidebar{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-md);padding:22px;position:sticky;top:80px}
.news-sidebar h3{font-size:11px;color:var(--c-text);margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--c-primary);text-transform:uppercase;letter-spacing:1.2px;font-family:var(--mono);font-weight:700}
.news-sidebar ul{list-style:none}
.news-sidebar li{padding:7px 0;border-bottom:1px solid var(--c-border-lt)}
.news-sidebar li:last-child{border-bottom:none}
.news-sidebar a{font-size:12.5px;line-height:1.5;color:var(--c-text-mid)}
.news-sidebar a:hover{color:var(--c-primary)}

/* 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:32px}
  .section-title{font-size:24px}
  .hero-stats{gap:20px}
  .tw-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:40px 0}
  .hero-title{font-size:26px}
  .section{padding:44px 0}
  .news-article{padding:24px}
  .article-title{font-size:22px}
  .hero-stats{gap:18px}
  .hero-stats strong{font-size:20px}
  .btn{padding:12px 24px;min-height:46px;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}
}