:root{--bg:#0b1120;--bg2:#0f1830;--card:#131d38;--card2:#18254a;--line:#24335f;--txt:#e8edf7;--muted:#9aa7c4;--accent:#00d9ff;--accent2:#7c5cff;--grad:linear-gradient(135deg,#00d9ff 0%,#7c5cff 100%);--ok:#2fe08a;--warn:#ffb020;--danger:#ff5c7a;--radius:16px;--maxw:1200px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--txt);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
/* 导航 */
.nav{position:sticky;top:0;z-index:100;background:rgba(11,17,32,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{width:34px;height:34px;border-radius:8px}
.brand b{font-size:20px;letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--muted);font-size:15px;transition:.2s}
.nav-links a:hover{color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:10px;font-size:15px;font-weight:600;transition:.2s;cursor:pointer;white-space:nowrap}
.btn-primary{background:var(--grad);color:#051018}
.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px)}
.btn-outline{border:1px solid var(--line);color:var(--txt)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-ghost{background:var(--card2);color:var(--txt)}
.btn-ghost:hover{background:var(--line)}
/* Hero */
.hero{padding:70px 0 60px;background:radial-gradient(ellipse at 20% 0%,rgba(0,217,255,.14),transparent 55%),radial-gradient(ellipse at 80% 20%,rgba(124,92,255,.14),transparent 55%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:44px;line-height:1.25;margin:18px 0;font-weight:800}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:17px;max-width:520px;margin-bottom:26px}
.badge{display:inline-flex;align-items:center;gap:6px;background:rgba(0,217,255,.12);border:1px solid rgba(0,217,255,.35);color:var(--accent);padding:5px 14px;border-radius:100px;font-size:13px;font-weight:600}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{display:flex;gap:26px;margin-top:28px;color:var(--muted);font-size:14px}
.hero-meta b{display:block;font-size:22px;color:var(--txt)}
/* 模拟器 */
.sim{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 60px rgba(0,0,0,.45);overflow:hidden}
.sim-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--card2);border-bottom:1px solid var(--line)}
.sim-dot{width:11px;height:11px;border-radius:50%}
.sim-dot.r{background:#ff5f57}.sim-dot.y{background:#febc2e}.sim-dot.g{background:#28c840}
.sim-url{flex:1;margin-left:8px;background:var(--bg);border-radius:8px;padding:5px 12px;font-size:12px;color:var(--muted)}
.sim-body{padding:22px}
.sim-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.sim-logo img{width:46px;height:46px;border-radius:12px}
.sim-status{display:flex;align-items:center;gap:8px;margin-bottom:16px;padding:12px 14px;background:rgba(47,224,138,.1);border:1px solid rgba(47,224,138,.3);border-radius:12px}
.sim-status .dot{width:9px;height:9px;border-radius:50%;background:var(--ok);animation:pulse 1.6s infinite}
.sim-node{display:flex;justify-content:space-between;align-items:center;padding:14px;background:var(--bg2);border-radius:12px;margin-bottom:12px;border:1px solid var(--line)}
.sim-node .flag{font-size:22px}
.sim-node b{font-size:14px}
.sim-node span{color:var(--muted);font-size:12px}
.sim-node .ping{color:var(--ok);font-size:13px;font-weight:600}
.sim-connect{margin-top:16px;text-align:center}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
/* 板块通用 */
.section{padding:66px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 44px}
.sec-head .kicker{color:var(--accent);font-size:13px;letter-spacing:2px;text-transform:uppercase;font-weight:700}
.sec-head h2{font-size:34px;margin:10px 0 14px;font-weight:800}
.sec-head p{color:var(--muted)}
/* 公告 */
.notice{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--warn);border-radius:12px;padding:16px 20px;max-width:860px;margin:0 auto}
.notice .tag{background:var(--warn);color:#1a1200;font-size:12px;font-weight:700;padding:3px 10px;border-radius:6px;white-space:nowrap}
.notice p{color:var(--muted);font-size:14px}
/* 核心功能 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s}
.feature:hover{border-color:var(--accent);transform:translateY(-4px)}
.feature .icon{width:52px;height:52px;border-radius:14px;background:var(--card2);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px}
.feature h3{font-size:19px;margin-bottom:10px}
.feature p{color:var(--muted);font-size:14px}
/* 对比 */
.compare{overflow-x:auto}
.compare table{width:100%;border-collapse:collapse;min-width:640px;background:var(--card);border-radius:var(--radius);overflow:hidden}
.compare th,.compare td{padding:15px 18px;text-align:center;border-bottom:1px solid var(--line);font-size:14px}
.compare th{background:var(--card2);font-weight:700}
.compare td:first-child,.compare th:first-child{text-align:left}
.compare .yes{color:var(--ok);font-weight:700}
.compare .no{color:var(--danger)}
.compare .hl{background:rgba(0,217,255,.08)}
/* 新闻 Tab */
.tabs{display:flex;justify-content:center;gap:10px;margin-bottom:30px;flex-wrap:wrap}
.tab{padding:9px 20px;border-radius:100px;background:var(--card);border:1px solid var(--line);color:var(--muted);font-size:14px;cursor:pointer}
.tab.active{background:var(--grad);color:#051018;border-color:transparent;font-weight:700}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.news-card:hover{border-color:var(--accent);transform:translateY(-4px)}
.news-card img{width:100%;height:160px;object-fit:cover}
.news-card .body{padding:20px}
.news-card .cat{font-size:12px;color:var(--accent);font-weight:700}
.news-card h3{font-size:17px;margin:8px 0;line-height:1.4}
.news-card p{color:var(--muted);font-size:13px}
.news-card .date{font-size:12px;color:var(--muted);margin-top:10px}
/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.review .stars{color:var(--warn);font-size:15px;margin-bottom:12px}
.review p{color:var(--muted);font-size:14px}
.review .user{display:flex;align-items:center;gap:10px;margin-top:16px}
.review .avatar{width:38px;height:38px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:700;color:#051018}
.review .user b{font-size:14px;display:block}
.review .user span{font-size:12px;color:var(--muted)}
/* 下载区 */
.dl-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.dl-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 18px;text-align:center;transition:.25s}
.dl-card:hover{border-color:var(--accent);transform:translateY(-4px)}
.dl-card .icon{font-size:40px;margin-bottom:14px}
.dl-card h3{font-size:17px;margin-bottom:8px}
.dl-card p{color:var(--muted);font-size:12px;margin-bottom:16px}
/* 信任背书 */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.trust{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center}
.trust .num{font-size:32px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.trust p{color:var(--muted);font-size:14px;margin-top:6px}
/* 应用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.scene .icon{font-size:30px;margin-bottom:14px}
.scene h3{font-size:18px;margin-bottom:10px}
.scene p{color:var(--muted);font-size:14px}
/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden}
.faq-item summary{padding:18px 22px;cursor:pointer;font-weight:600;font-size:16px;list-style:none;position:relative;padding-right:48px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--accent)}
.faq-item[open] summary::after{content:"−"}
.faq-item .ans{padding:0 22px 20px;color:var(--muted);font-size:14px}
.faq-item .ans ol{padding-left:20px;margin-top:8px}
.faq-item .ans li{margin-bottom:8px}
/* CTA */
.cta{background:var(--grad);border-radius:22px;padding:54px 40px;text-align:center;color:#051018}
.cta h2{font-size:32px;font-weight:800;margin-bottom:12px}
.cta p{margin-bottom:24px;opacity:.85}
.cta .btn{background:#051018;color:#fff}
/* 页脚 */
.footer{background:var(--bg2);border-top:1px solid var(--line);padding:54px 0 24px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
.footer h4{font-size:15px;margin-bottom:16px}
.footer a{display:block;color:var(--muted);font-size:14px;margin-bottom:10px}
.footer a:hover{color:var(--accent)}
.footer .copyright{text-align:center;color:var(--muted);font-size:13px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line)}
/* 面包屑 */
.crumb{padding:18px 0;color:var(--muted);font-size:14px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.crumb span{color:var(--txt)}
/* 新闻详情 */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:40px}
.article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:40px}
.article h1{font-size:32px;line-height:1.35;margin:14px 0 18px;font-weight:800}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:24px;display:flex;gap:18px;flex-wrap:wrap}
.article h2{font-size:23px;margin:32px 0 14px;padding-left:14px;border-left:4px solid var(--accent)}
.article p{color:var(--txt);margin-bottom:16px}
.article .lead{font-size:17px;color:var(--muted);background:var(--bg2);border-radius:12px;padding:18px 20px;margin-bottom:24px;border:1px solid var(--line)}
.article table{width:100%;border-collapse:collapse;margin:20px 0}
.article table th,.article table td{border:1px solid var(--line);padding:10px 14px;font-size:14px;text-align:left}
.article table th{background:var(--card2)}
.article img{border-radius:12px;margin:18px 0}
.article blockquote{border-left:4px solid var(--accent);background:var(--bg2);padding:14px 18px;border-radius:0 10px 10px 0;color:var(--muted);margin:18px 0}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:32px}
.article-nav a{flex:1;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:14px 18px;font-size:14px}
.article-nav a:hover{border-color:var(--accent)}
.sidebar h4{font-size:17px;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--accent)}
.sidebar .side-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:22px}
.sidebar .hot-item{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.sidebar .hot-item:hover{color:var(--accent)}
.sidebar .cat-link{display:block;padding:8px 0;color:var(--muted);font-size:14px}
.sidebar .cat-link:hover{color:var(--accent)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
/* 下载页 */
.dl-hero{text-align:center;padding:60px 0 40px}
.dl-hero h1{font-size:38px;font-weight:800;margin:14px 0}
.dl-hero p{color:var(--muted);max-width:600px;margin:0 auto 30px}
.dl-main{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;margin:30px 0 50px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:40px 0}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center}
.step .n{width:36px;height:36px;border-radius:50%;background:var(--grad);color:#051018;display:flex;align-items:center;justify-content:center;font-weight:800;margin:0 auto 12px}
.step h3{font-size:16px;margin-bottom:8px}
.step p{color:var(--muted);font-size:13px}
/* 响应式 */
@media(max-width:960px){
.hero-grid{grid-template-columns:1fr}
.feature-grid,.news-grid,.review-grid,.trust-grid,.scene-grid{grid-template-columns:repeat(2,1fr)}
.dl-grid,.dl-main{grid-template-columns:repeat(2,1fr)}
.article-layout{grid-template-columns:1fr}
.nav-links{display:none}
.related-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
.feature-grid,.news-grid,.review-grid,.trust-grid,.scene-grid,.dl-grid,.dl-main{grid-template-columns:1fr}
.hero h1{font-size:32px}
}