:root{
  --bg:#0b1512;--bg2:#0f201b;--card:#132720;--card2:#183228;
  --line:#1f3d33;--line2:#2a4f42;
  --txt:#eaf3ef;--txt2:#a9c0b6;--txt3:#7f9d90;
  --pri:#2fd39a;--pri2:#1aa97c;--pri3:#0e8a63;
  --accent:#f6c94a;--danger:#ff6b6b;--info:#4aa8ff;
  --grad:linear-gradient(135deg,#2fd39a 0%,#1aa97c 55%,#0e8a63 100%);
  --grad-soft:linear-gradient(135deg,rgba(47,211,154,.16),rgba(26,169,124,.08));
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--txt);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--pri);text-decoration:none;transition:color .2s}
a:hover{color:var(--pri2)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-head{text-align:center;margin-bottom:44px}
.section-head .tag{display:inline-block;font-size:13px;letter-spacing:1px;color:var(--pri);background:rgba(47,211,154,.12);border:1px solid rgba(47,211,154,.25);padding:5px 14px;border-radius:999px;margin-bottom:14px}
.section-head h2{font-size:32px;font-weight:700;line-height:1.3}
.section-head p{color:var(--txt2);margin-top:12px;font-size:16px}
/* 导航 */
.nav{position:sticky;top:0;z-index:999;background:rgba(11,21,18,.85);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:19px;font-weight:700;letter-spacing:.5px}
.brand b span{color:var(--pri)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--txt2);font-size:15px;font-weight:500}
.nav-links a:hover{color:var(--pri)}
.nav-cta{display:flex;align-items:center;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:10px;font-weight:600;font-size:15px;line-height:1;cursor:pointer;border:none;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad);color:#05231a;box-shadow:0 8px 20px rgba(47,211,154,.28)}
.btn-primary:hover{box-shadow:0 12px 26px rgba(47,211,154,.4);color:#05231a}
.btn-ghost{background:transparent;color:var(--pri);border:1px solid rgba(47,211,154,.4)}
.btn-ghost:hover{background:rgba(47,211,154,.1)}
.btn-block{width:100%}
.btn-lg{padding:15px 30px;font-size:16px}
/* Hero */
.hero{position:relative;overflow:hidden;padding:80px 0 70px}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 500px at 15% 0%,rgba(47,211,154,.18),transparent 60%),radial-gradient(700px 500px at 90% 20%,rgba(26,169,124,.14),transparent 60%)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--pri);background:rgba(47,211,154,.12);border:1px solid rgba(47,211,154,.3);padding:7px 16px;border-radius:999px;margin-bottom:20px}
.hero h1{font-size:44px;line-height:1.2;font-weight:800;letter-spacing:-.5px}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:18px;font-size:18px;color:var(--txt2);max-width:520px}
.hero-points{margin:26px 0;display:flex;flex-wrap:wrap;gap:12px}
.hero-points span{font-size:14px;color:var(--txt);background:var(--card);border:1px solid var(--line);padding:8px 14px;border-radius:8px;display:inline-flex;align-items:center;gap:7px}
.hero-points span::before{content:"";width:7px;height:7px;background:var(--pri);border-radius:50%}
.hero-actions{display:flex;gap:14px;margin-top:8px}
.hero-note{font-size:13px;color:var(--txt3);margin-top:16px}
/* 客户端模拟器 */
.simulator{background:linear-gradient(180deg,#0d1b16,#0a1411);border:1px solid var(--line2);border-radius:18px;box-shadow:var(--shadow);overflow:hidden;position:relative}
.sim-bar{display:flex;align-items:center;gap:8px;padding:14px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.sim-dot{width:12px;height:12px;border-radius:50%}
.sim-dot.r{background:#ff5f57}.sim-dot.y{background:#febc2e}.sim-dot.g{background:#28c840}
.sim-url{margin-left:12px;flex:1;background:#0a1411;border:1px solid var(--line);border-radius:8px;padding:6px 12px;font-size:12px;color:var(--txt3);display:flex;align-items:center;gap:6px}
.sim-url i{width:6px;height:6px;background:var(--pri);border-radius:50%}
.sim-body{display:grid;grid-template-columns:220px 1fr;min-height:360px}
.sim-side{background:rgba(255,255,255,.02);border-right:1px solid var(--line);padding:16px 12px}
.sim-logo{display:flex;align-items:center;gap:8px;padding:10px;border-radius:10px;background:rgba(47,211,154,.08);margin-bottom:16px}
.sim-logo img{width:24px;height:24px;border-radius:6px}
.sim-logo b{font-size:14px}
.sim-logo b span{color:var(--pri)}
.sim-menu{list-style:none;display:flex;flex-direction:column;gap:4px}
.sim-menu li{padding:9px 12px;border-radius:8px;font-size:13px;color:var(--txt3);display:flex;align-items:center;gap:8px}
.sim-menu li.on{background:rgba(47,211,154,.12);color:var(--pri);font-weight:600}
.sim-menu li svg{width:16px;height:16px}
.sim-main{padding:20px}
.sim-status{display:flex;align-items:center;justify-content:space-between;background:var(--grad-soft);border:1px solid rgba(47,211,154,.25);border-radius:12px;padding:14px 16px;margin-bottom:16px}
.sim-status .l{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600}
.sim-ring{width:40px;height:40px;border-radius:50%;border:3px solid rgba(47,211,154,.25);border-top-color:var(--pri);animation:spin 1.2s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.sim-status .b{font-size:13px;color:var(--txt3)}
.sim-node{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:12px}
.sim-node .t{display:flex;justify-content:space-between;font-size:13px;margin-bottom:8px}
.sim-node .t b{color:var(--txt)}
.sim-node .t span{color:var(--pri);font-size:12px}
.sim-barline{height:6px;background:#0a1411;border-radius:99px;overflow:hidden}
.sim-barline i{display:block;height:100%;background:var(--grad);border-radius:99px}
.sim-footer{display:flex;justify-content:space-between;font-size:12px;color:var(--txt3);padding-top:6px}
/* 公告 */
.notice-bar{background:var(--grad-soft);border:1px solid rgba(47,211,154,.22);border-radius:14px;padding:16px 20px;display:flex;align-items:center;gap:14px}
.notice-bar .ic{width:38px;height:38px;border-radius:10px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:18px;color:#05231a;flex-shrink:0}
.notice-bar b{font-size:15px}
.notice-bar p{font-size:14px;color:var(--txt2)}
.notice-bar a{font-size:14px;font-weight:600}
/* 功能卡片 */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .18s,border-color .18s}
.card:hover{transform:translateY(-4px);border-color:var(--pri3)}
.card .icon{width:52px;height:52px;border-radius:12px;background:var(--grad-soft);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.card h3{font-size:18px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--txt2)}
/* 对比表 */
.compare-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.compare-table th,.compare-table td{padding:16px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
.compare-table th{background:var(--bg2);color:var(--txt2);font-weight:600}
.compare-table td.yes{color:var(--pri);font-weight:600}
.compare-table td.no{color:var(--txt3)}
.compare-table .brand-col{background:rgba(47,211,154,.06)}
.compare-table .brand-col b{color:var(--pri)}
/* 新闻Tab */
.tabs{display:flex;gap:10px;margin-bottom:28px;flex-wrap:wrap}
.tab{display:inline-flex;align-items:center;padding:10px 20px;border-radius:10px;background:var(--card);border:1px solid var(--line);color:var(--txt2);font-size:14px;font-weight:600;cursor:pointer}
.tab.active{background:var(--grad);color:#05231a;border-color:transparent}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .18s}
.news-card:hover{transform:translateY(-4px)}
.news-card img{height:150px;width:100%;object-fit:cover}
.news-card .bd{padding:18px}
.news-card .meta{font-size:12px;color:var(--txt3);display:flex;gap:10px;margin-bottom:8px}
.news-card h4{font-size:15.5px;line-height:1.45;margin-bottom:8px}
.news-card h4 a{color:var(--txt)}
.news-card h4 a:hover{color:var(--pri)}
.news-card p{font-size:13.5px;color:var(--txt2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.review-card .stars{color:var(--accent);font-size:15px;letter-spacing:2px;margin-bottom:12px}
.review-card p{font-size:14.5px;color:var(--txt2);margin-bottom:16px}
.review-user{display:flex;align-items:center;gap:12px}
.review-user .av{width:40px;height:40px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:700;color:#05231a;font-size:15px}
.review-user b{font-size:14px;display:block}
.review-user span{font-size:12px;color:var(--txt3)}
/* 下载区 */
.download-hero{background:var(--grad);border-radius:20px;padding:48px;text-align:center;position:relative;overflow:hidden}
.download-hero h2{font-size:30px;color:#05231a;font-weight:800}
.download-hero p{color:rgba(5,35,26,.8);margin-top:10px}
.platform-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:32px}
.platform{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px 16px;text-align:center;transition:transform .18s,border-color .18s}
.platform:hover{transform:translateY(-4px);border-color:var(--pri3)}
.platform .pi{font-size:34px;margin-bottom:12px}
.platform b{display:block;font-size:15px;margin-bottom:6px}
.platform span{font-size:12px;color:var(--txt3)}
.platform a.btn{margin-top:14px;font-size:13px;padding:9px 16px}
/* 信任背书 */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.trust-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;text-align:center}
.trust-item .num{font-size:28px;font-weight:800;color:var(--pri)}
.trust-item p{font-size:13.5px;color:var(--txt2);margin-top:6px}
/* 应用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.scene .icon{font-size:30px;margin-bottom:14px}
.scene h3{font-size:17px;margin-bottom:10px}
.scene p{font-size:14px;color:var(--txt2)}
/* FAQ */
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden}
.faq-item summary{padding:20px 24px;font-weight:600;font-size:16px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::after{content:"+";font-size:22px;color:var(--pri);font-weight:400}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-body{padding:0 24px 22px;color:var(--txt2);font-size:14.5px}
.faq-item .faq-body h5{margin:14px 0 6px;color:var(--txt);font-size:15px}
.faq-item .faq-body ol{padding-left:20px}
.faq-item .faq-body ol li{margin-bottom:6px}
.faq-item .faq-body ol li b{color:var(--pri)}
/* CTA */
.cta{background:linear-gradient(135deg,#0e2a21,#0c2019);border:1px solid var(--line2);border-radius:20px;padding:56px;text-align:center}
.cta h2{font-size:30px;font-weight:800}
.cta p{color:var(--txt2);margin:14px auto 28px;max-width:520px}
.cta .btn-lg{margin:0 auto}
/* 页脚 */
.footer{background:#08110e;border-top:1px solid var(--line);padding:52px 0 28px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
.footer h4{font-size:15px;margin-bottom:16px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--txt2);font-size:14px}
.footer-links a:hover{color:var(--pri)}
.footer .brand b{font-size:17px}
.footer .brand b span{color:var(--pri)}
.footer .desc{font-size:13.5px;color:var(--txt3);margin-top:12px;max-width:280px}
.footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--txt3)}
/* 面包屑 */
.crumbs{font-size:13px;color:var(--txt3);padding:22px 0 0}
.crumbs a{color:var(--txt3)}
.crumbs a:hover{color:var(--pri)}
.crumbs span{margin:0 6px}
/* 文章页 */
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;padding:32px 0 60px}
.article-main h1{font-size:30px;line-height:1.35;margin:12px 0 16px}
.article-meta{display:flex;gap:16px;font-size:13px;color:var(--txt3);margin-bottom:24px;flex-wrap:wrap}
.article-meta .cat{color:var(--pri);background:rgba(47,211,154,.12);padding:3px 10px;border-radius:6px}
.article-cover{border-radius:14px;margin-bottom:28px;border:1px solid var(--line)}
.article-main .content p{margin-bottom:18px;color:#d5e4dd;font-size:15.5px}
.article-main .content h2{font-size:22px;margin:30px 0 14px;padding-left:12px;border-left:4px solid var(--pri);color:var(--txt)}
.article-main .content h3{font-size:18px;margin:22px 0 10px}
.article-main .content img{border-radius:12px;margin:18px 0;border:1px solid var(--line)}
.article-main .content blockquote{border-left:3px solid var(--pri);background:var(--grad-soft);padding:16px 20px;border-radius:0 10px 10px 0;margin:18px 0;color:var(--txt2);font-size:14.5px}
.article-main .content ul,.article-main .content ol{padding-left:24px;margin-bottom:18px}
.article-main .content li{margin-bottom:8px}
/* 文章目录 */
.toc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:24px}
.toc h5{font-size:14px;margin-bottom:12px;color:var(--txt)}
.toc ol{padding-left:20px;font-size:13.5px}
.toc ol li{margin-bottom:6px}
.toc ol li a{color:var(--txt2)}
.toc ol li a:hover{color:var(--pri)}
/* 侧栏 */
.sidebar .widget{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:20px}
.sidebar .widget h4{font-size:15px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.hot-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.hot-list li a{display:flex;gap:10px;font-size:13.5px;color:var(--txt2);line-height:1.4}
.hot-list li a:hover{color:var(--pri)}
.hot-list li .idx{font-size:18px;font-weight:800;color:var(--pri3);min-width:22px;line-height:1.3}
.cat-list{list-style:none;display:flex;flex-direction:column;gap:8px}
.cat-list li a{display:flex;justify-content:space-between;font-size:14px;color:var(--txt2)}
.cat-list li a span{color:var(--txt3);font-size:12px}
/* 上一篇/下一篇 */
.post-nav{display:flex;justify-content:space-between;gap:16px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.post-nav a{flex:1;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-size:14px;color:var(--txt2)}
.post-nav a:hover{border-color:var(--pri3);color:var(--pri)}
.post-nav a b{display:block;font-size:12px;color:var(--txt3);margin-bottom:6px}
.post-nav a.next{text-align:right}
/* 相关阅读 */
.related{margin-top:44px}
.related h3{font-size:20px;margin-bottom:20px}
/* 404 */
.error-wrap{min-height:70vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:60px 24px}
.error-wrap .code{font-size:120px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.error-wrap h1{font-size:26px;margin:16px 0}
.error-wrap p{color:var(--txt2);margin-bottom:10px}
.error-wrap .count{color:var(--accent);font-weight:700}
/* sitemap */
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sitemap-col h3{font-size:16px;margin-bottom:14px;color:var(--pri)}
.sitemap-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.sitemap-col ul a{color:var(--txt2);font-size:14px}
.sitemap-col ul a:hover{color:var(--pri)}
/* 公告列表 */
.announce-list{display:flex;flex-direction:column;gap:12px}
.announce-item{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.announce-item .d{font-size:13px;color:var(--pri);white-space:nowrap;font-weight:600}
.announce-item p{font-size:14px;color:var(--txt2)}
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr}
  .grid-3,.grid-5,.review-grid,.news-grid,.scene-grid,.platform-grid,.sitemap-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .article-layout{grid-template-columns:1fr}
}
@media(max-width:640px){
  .grid-3,.grid-5,.grid-2,.review-grid,.news-grid,.scene-grid,.platform-grid,.sitemap-grid,.trust-grid,.footer-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .hero h1{font-size:32px}
  .section{padding:48px 0}
  .sim-body{grid-template-columns:1fr}
  .sim-side{display:none}
}