:root{--bg:#070b14;--bg2:#0a101d;--card:#0d1524;--card2:#111c30;--line:#1c2a41;--line2:#24365a;--txt:#f1f5f9;--muted:#94a3b8;--muted2:#64748b;--brand:#00e0ff;--brand2:#3d7bff;--grad:linear-gradient(135deg,#00e0ff,#3d7bff);--grad2:linear-gradient(135deg,#22d3ee,#2563eb);--green:#22c55e;--orange:#f59e0b;--gold:#fbbf24;--radius:16px;--radius-sm:10px;--shadow:0 12px 40px rgba(0,0,0,.45);--shadow2:0 20px 60px rgba(0,224,255,.14);--navh:68px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
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;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4{line-height:1.25;font-weight:800}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:88px 0;position:relative}
.sec-head{text-align:center;margin-bottom:52px}
.sec-head .tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:1px;padding:6px 14px;border:1px solid var(--line2);border-radius:999px;background:rgba(0,224,255,.06);margin-bottom:16px}
.sec-head h2{font-size:36px;letter-spacing:.5px}
.sec-head h2 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-head p{color:var(--muted);margin-top:14px;font-size:16px;max-width:640px;margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:16px;padding:14px 30px;border-radius:12px;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;line-height:1;white-space:nowrap}
.btn-primary{background:var(--grad);color:#04121a;box-shadow:0 8px 28px rgba(0,224,255,.32)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(0,224,255,.5)}
.btn-ghost{background:transparent;color:var(--txt);border:1.5px solid var(--line2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-3px)}
.btn-lg{padding:17px 40px;font-size:18px;border-radius:14px}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:10px}
/* 顶部导航 */
.nav{position:fixed;top:0;left:0;right:0;z-index:999;height:var(--navh);display:flex;align-items:center;transition:background .3s,box-shadow .3s,backdrop-filter .3s}
.nav.scrolled{background:rgba(7,11,20,.86);backdrop-filter:blur(14px);box-shadow:0 4px 24px rgba(0,0,0,.5);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:.3px}
.logo img{width:36px;height:36px;border-radius:9px}
.logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-item{position:relative}
.nav-item>a,.nav-item>label{display:flex;align-items:center;gap:6px;padding:10px 16px;font-size:15px;font-weight:600;color:var(--txt);border-radius:9px;transition:color .2s,background .2s;cursor:pointer}
.nav-item>a:hover,.nav-item>label:hover{color:var(--brand)}
.nav-item>input{display:none}
.nav-item .arrow{transition:transform .25s;font-size:11px;color:var(--muted)}
.nav-item:hover .arrow{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:0;min-width:200px;background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s;z-index:99}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(4px)}
.dropdown a{display:block;padding:10px 16px;font-size:14px;font-weight:600;color:#1e293b;border-radius:9px;transition:background .2s,color .2s}
.dropdown a:hover{background:#f1f5f9;color:var(--brand2)}
.nav-right{display:flex;align-items:center;gap:14px}
.hamburger{display:none;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--line)}
.hamburger span{display:block;width:22px;height:2px;background:var(--txt);border-radius:2px;transition:all .3s}
#nav-toggle{display:none}
#nav-toggle:checked~.nav-menu{display:flex}
#nav-toggle:checked~.hamburger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
#nav-toggle:checked~.hamburger span:nth-child(2){opacity:0}
#nav-toggle:checked~.hamburger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;padding:140px 0 80px;background:radial-gradient(1000px 600px at 80% -10%,rgba(0,224,255,.16),transparent 60%),radial-gradient(800px 500px at 10% 30%,rgba(61,123,255,.14),transparent 55%),var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);border:1px solid var(--line2);background:rgba(0,224,255,.07);border-radius:999px;padding:7px 16px;margin-bottom:22px}
.hero h1{font-size:56px;letter-spacing:-1px;margin-bottom:20px}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:19px;color:var(--muted);margin-bottom:32px;max-width:520px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap}
.hero-stats .num{font-size:32px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;line-height:1}
.hero-stats .lbl{font-size:13px;color:var(--muted);margin-top:6px}
/* 产品演示器 */
.demo{position:relative;background:var(--card);border:1px solid var(--line2);border-radius:22px;padding:26px;box-shadow:var(--shadow2);overflow:hidden}
.demo::before{content:"";position:absolute;inset:0;background:radial-gradient(400px 300px at 70% 20%,rgba(0,224,255,.14),transparent 70%);pointer-events:none}
.demo-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;position:relative}
.demo-head .brand{display:flex;align-items:center;gap:10px;font-weight:700}
.demo-head .dot{width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green)}
.demo-head .status{font-size:13px;color:var(--muted)}
.gauge{position:relative;width:220px;height:220px;margin:0 auto 26px}
.gauge svg{transform:rotate(-90deg)}
.gauge .ring-bg{stroke:var(--line)}
.gauge .ring-fg{stroke:url(#ggrad);stroke-linecap:round;transition:stroke-dashoffset .8s ease}
.gauge .val{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.gauge .val .n{font-size:44px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.gauge .val .u{font-size:13px;color:var(--muted);margin-top:4px}
.gauge .val .s{font-size:12px;color:var(--green);margin-top:6px;font-weight:700}
.demo-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:22px;position:relative}
.demo-metrics .m{background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center}
.demo-metrics .m .k{font-size:12px;color:var(--muted);margin-bottom:4px}
.demo-metrics .m .v{font-size:20px;font-weight:800}
.demo-metrics .m .v.good{color:var(--green)}
.demo-node{display:flex;align-items:center;justify-content:space-between;background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin-bottom:16px;position:relative}
.demo-node .lab{font-size:13px;color:var(--muted)}
.demo-node .sel{font-weight:700;font-size:14px;display:flex;align-items:center;gap:8px}
.demo-node .flag{font-size:18px}
.demo-switch{display:flex;gap:10px;position:relative}
.demo-switch .btn{flex:1}
.demo-toggle{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);position:relative}
.demo-toggle input{position:absolute;opacity:0;width:0;height:0}
.demo-toggle .track{width:44px;height:24px;border-radius:999px;background:var(--line);position:relative;transition:background .25s;cursor:pointer}
.demo-toggle .track::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:left .25s}
.demo-toggle input:checked+.track{background:var(--green)}
.demo-toggle input:checked+.track::after{left:23px}
#demo-connect{display:none}
#demo-connect:checked~.demo-body .gauge .val .s::after{content:"已连接 · 极速中"}
.demo-body .gauge .val .s::before{content:"● "}
#demo-connect:not(:checked)~.demo-body .gauge .val .s::after{content:"点击连接"}
#demo-connect:not(:checked)~.demo-body .gauge .val .s{color:var(--orange)}
#demo-connect:checked~.demo-body .gauge .ring-fg{stroke-dashoffset:44}
#demo-connect:not(:checked)~.demo-body .gauge .ring-fg{stroke-dashoffset:150}
/* 功能卡片 */
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .3s,box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-6px);border-color:var(--brand);box-shadow:var(--shadow2)}
.card .ico{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;background:rgba(0,224,255,.1);border:1px solid var(--line2);margin-bottom:18px}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
/* 数据条 */
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;text-align:center}
.stat-box .n{font-size:40px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.stat-box .l{color:var(--muted);font-size:14px;margin-top:10px}
/* 场景 */
.grid-scenario{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scenario{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .3s,border-color .3s}
.scenario:hover{transform:translateY(-5px);border-color:var(--brand)}
.scenario .emoji{font-size:34px;margin-bottom:14px;display:block}
.scenario h3{font-size:18px;margin-bottom:8px}
.scenario p{color:var(--muted);font-size:14px}
/* 三步上手 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;text-align:center;position:relative}
.step .n{width:52px;height:52px;margin:0 auto 18px;border-radius:50%;background:var(--grad);color:#04121a;font-weight:800;font-size:22px;display:flex;align-items:center;justify-content:center}
.step h3{font-size:18px;margin-bottom:10px}
.step p{color:var(--muted);font-size:14px}
/* 价格 */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px;display:flex;flex-direction:column;position:relative}
.price.hot{border-color:var(--brand);background:linear-gradient(180deg,rgba(0,224,255,.08),var(--card));box-shadow:var(--shadow2);transform:scale(1.02)}
.price .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#04121a;font-size:12px;font-weight:800;padding:5px 16px;border-radius:999px}
.price .name{font-size:16px;color:var(--muted);font-weight:600}
.price .amount{font-size:46px;font-weight:800;margin:14px 0 4px}
.price .amount small{font-size:16px;color:var(--muted);font-weight:500}
.price .desc{color:var(--muted);font-size:14px;margin-bottom:22px}
.price ul{margin-bottom:28px;flex:1}
.price ul li{padding:8px 0;font-size:15px;display:flex;align-items:center;gap:10px;border-bottom:1px dashed var(--line)}
.price ul li::before{content:"✓";color:var(--brand);font-weight:800}
/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden}
.faq summary{list-style:none;padding:22px 26px;font-weight:700;font-size:17px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:26px;color:var(--brand);font-weight:400;transition:transform .3s;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 26px 24px;color:var(--muted);font-size:15px}
.faq .ans p{margin-bottom:10px}
.faq .ans ol{padding-left:20px;margin-top:8px}
.faq .ans ol li{margin-bottom:6px}
/* 评价 */
.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.t-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.t-card .stars{color:var(--gold);font-size:15px;margin-bottom:14px;letter-spacing:2px}
.t-card .txt{color:var(--txt);font-size:15px;margin-bottom:20px}
.t-card .who{display:flex;align-items:center;gap:12px}
.t-card .ava{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#04121a;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:18px}
.t-card .who .nm{font-weight:700;font-size:15px}
.t-card .who .role{font-size:12px;color:var(--muted)}
/* 资讯 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s,border-color .3s}
.news-card:hover{transform:translateY(-6px);border-color:var(--brand)}
.news-card img{width:100%;height:170px;object-fit:cover}
.news-card .body{padding:22px}
.news-card .date{font-size:12px;color:var(--muted2);margin-bottom:8px}
.news-card h3{font-size:17px;margin-bottom:10px;line-height:1.4}
.news-card p{color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
/* CTA */
.cta{background:radial-gradient(600px 300px at 50% 0%,rgba(0,224,255,.2),transparent 70%),var(--card);border:1px solid var(--line2);border-radius:24px;padding:64px 40px;text-align:center}
.cta h2{font-size:36px;margin-bottom:14px}
.cta p{color:var(--muted);margin-bottom:30px;font-size:17px}
/* 页脚 */
footer{background:var(--bg2);border-top:1px solid var(--line);padding:64px 0 30px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:44px}
.footer-grid h4{font-size:16px;margin-bottom:18px}
.footer-grid ul li{margin-bottom:11px}
.footer-grid ul a{color:var(--muted);font-size:14px;transition:color .2s}
.footer-grid ul a:hover{color:var(--brand)}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:14px;max-width:280px}
.copyright{border-top:1px solid var(--line);padding-top:24px;text-align:center;color:var(--muted2);font-size:13px}
.copyright a{color:var(--muted)}
.copyright a:hover{color:var(--brand)}
.to-top{position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:12px;background:var(--grad);color:#04121a;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;box-shadow:0 8px 24px rgba(0,224,255,.35);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s;z-index:90}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
/* 面包屑 */
.crumbs{font-size:13px;color:var(--muted);margin-bottom:20px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs span{color:var(--brand)}
/* 页面头部 */
.page-hero{padding:150px 0 70px;background:radial-gradient(700px 400px at 50% -10%,rgba(0,224,255,.14),transparent 60%),var(--bg);text-align:center}
.page-hero h1{font-size:44px;margin-bottom:16px}
.page-hero p{color:var(--muted);font-size:17px;max-width:640px;margin:0 auto}
/* 下载页 */
.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.dl-meta{display:flex;gap:30px;flex-wrap:wrap;margin-top:28px}
.dl-meta .it{text-align:center}
.dl-meta .n{font-size:24px;font-weight:800;color:var(--brand)}
.dl-meta .l{font-size:13px;color:var(--muted)}
.versions{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.version{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.version .os{font-size:30px;margin-bottom:14px}
.version .vn{font-size:15px;font-weight:700;margin-bottom:4px}
.version .sz{font-size:13px;color:var(--muted2);margin-bottom:18px}
.version ul{margin-bottom:22px}
.version ul li{font-size:14px;padding:5px 0;display:flex;align-items:center;gap:8px;color:var(--muted)}
.version ul li::before{content:"✓";color:var(--brand);font-weight:800}
.sysreq{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sysreq .r{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px}
.sysreq .r .k{font-size:13px;color:var(--muted);margin-bottom:6px}
.sysreq .r .v{font-weight:700;font-size:15px}
.install{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.install .s{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center}
.install .s .n{width:40px;height:40px;margin:0 auto 14px;border-radius:10px;background:var(--grad);color:#04121a;font-weight:800;display:flex;align-items:center;justify-content:center}
.install .s h3{font-size:16px;margin-bottom:8px}
.install .s p{color:var(--muted);font-size:13px}
/* 新闻列表 */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
/* 新闻详情 */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:40px}
.article .meta{font-size:13px;color:var(--muted);margin-bottom:22px;display:flex;gap:16px;flex-wrap:wrap}
.article h1{font-size:32px;margin-bottom:20px;line-height:1.35}
.article .lead{font-size:17px;color:var(--txt);border-left:3px solid var(--brand);padding-left:18px;margin-bottom:28px}
.article h2{font-size:23px;margin:34px 0 16px;padding-left:14px;border-left:4px solid var(--brand)}
.article p{color:var(--muted);margin-bottom:18px;font-size:16px}
.article img{border-radius:12px;margin:22px 0}
.article blockquote{background:var(--card2);border-left:3px solid var(--brand2);padding:18px 22px;border-radius:10px;margin:22px 0;color:var(--txt);font-size:15px}
.article .data-table{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0}
.article .data-table .d{background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:18px;text-align:center}
.article .data-table .d .n{font-size:26px;font-weight:800;color:var(--brand)}
.article .data-table .d .l{font-size:12px;color:var(--muted);margin-top:4px}
.sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:22px}
.side-card{background:#fff;border-radius:16px;box-shadow:0 8px 30px rgba(0,0,0,.14);padding:22px}
.side-card h4{font-size:16px;color:#0f172a;margin-bottom:16px;padding-left:12px;border-left:4px solid var(--brand);display:flex;align-items:center;gap:8px}
.toc{position:relative}
.toc ul{padding-left:20px;position:relative}
.toc ul::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:#e2e8f0}
.toc li{position:relative;margin-bottom:10px}
.toc li::before{content:"";position:absolute;left:-17px;top:8px;width:8px;height:8px;border-radius:50%;background:#cbd5e1}
.toc li.active::before{background:var(--brand);box-shadow:0 0 0 3px rgba(0,224,255,.2)}
.toc a{font-size:14px;color:#475569;transition:color .2s}
.toc li.active a,.toc a:hover{color:var(--brand2);font-weight:700}
.rank li{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px solid #f1f5f9}
.rank li:last-child{border-bottom:none}
.rank .no{width:24px;height:24px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#fff;background:#cbd5e1;flex-shrink:0;transition:transform .2s}
.rank li:hover .no{transform:scale(1.15)}
.rank li:nth-child(1) .no{background:var(--brand)}
.rank li:nth-child(2) .no{background:var(--orange)}
.rank li:nth-child(3) .no{background:linear-gradient(135deg,#f59e0b,#fbbf24)}
.rank a{font-size:14px;color:#334155;line-height:1.4}
.rank a:hover{color:var(--brand2)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-size:13px;color:#475569;border:1px solid #e2e8f0;border-radius:999px;padding:6px 14px;transition:all .2s}
.tags a:hover{color:var(--brand2);border-color:var(--brand2)}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.article-nav a{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px}
.article-nav a:hover{color:var(--brand)}
.comments{margin-top:40px}
.comments h3{font-size:20px;margin-bottom:22px}
.comment{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.comment .ava{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#04121a;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}
.comment .c-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.comment .nm{font-weight:700;font-size:14px}
.comment .dt{font-size:12px;color:var(--muted2)}
.comment p{font-size:14px;color:var(--muted)}
/* 政策页 */
.prose{max-width:820px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:48px}
.prose h2{font-size:22px;margin:30px 0 14px}
.prose p{color:var(--muted);margin-bottom:16px}
.prose ul{margin:14px 0;padding-left:22px}
.prose ul li{color:var(--muted);margin-bottom:8px;list-style:disc}
.prose .updated{font-size:13px;color:var(--muted2);margin-bottom:24px}
/* 网站地图 */
.sitemap-list{max-width:900px;margin:0 auto}
.sitemap-list .grp{margin-bottom:32px}
.sitemap-list .grp h3{font-size:20px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px}
.sitemap-list .grp ul{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.sitemap-list .grp ul a{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:15px;padding:10px 14px;background:var(--card);border:1px solid var(--line);border-radius:10px;transition:all .2s}
.sitemap-list .grp ul a:hover{color:var(--brand);border-color:var(--brand)}
/* 404 */
.err-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 24px}
.err-wrap .code{font-size:130px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;margin-bottom:16px}
.err-wrap h1{font-size:30px;margin-bottom:14px}
.err-wrap p{color:var(--muted);margin-bottom:30px}
/* reveal 动画 */
html.js .reveal{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
html.js .reveal.in{opacity:1;transform:translateY(0)}
/* 响应式 */
@media (max-width:992px){
.nav-menu{position:fixed;top:var(--navh);left:0;right:0;background:rgba(7,11,20,.98);backdrop-filter:blur(14px);flex-direction:column;align-items:stretch;padding:16px 24px 28px;display:none;border-bottom:1px solid var(--line);max-height:calc(100vh - var(--navh));overflow-y:auto}
.nav-item .dropdown{position:static;opacity:1;visibility:visible;transform:none;background:transparent;box-shadow:none;padding:4px 0 4px 16px;min-width:0;display:none}
.nav-item>input{display:none}
.nav-item>input:checked~.dropdown{display:block}
.nav-item .dropdown a{color:var(--muted);padding:9px 14px}
.nav-item .dropdown a:hover{color:var(--brand);background:transparent}
.hamburger{display:flex}
.nav-right .btn-sm{display:none}
.hero-grid,.dl-grid{grid-template-columns:1fr;gap:40px}
.hero h1{font-size:42px}
.grid-6,.grid-3,.grid-scenario,.steps,.pricing,.testimonials,.news-grid,.news-list,.versions,.sysreq{grid-template-columns:repeat(2,1fr)}
.stats-band{grid-template-columns:repeat(2,1fr)}
.install{grid-template-columns:repeat(2,1fr)}
.article-layout{grid-template-columns:1fr}
.sidebar{position:static}
.footer-grid{grid-template-columns:1fr 1fr}
.price.hot{transform:none}
}
@media (max-width:768px){
section{padding:64px 0}
.sec-head h2{font-size:28px}
.hero h1{font-size:34px}
.hero{padding:120px 0 60px}
.page-hero h1{font-size:32px}
.grid-6,.grid-3,.grid-scenario,.steps,.pricing,.testimonials,.news-grid,.news-list,.versions,.sysreq,.install{grid-template-columns:1fr}
.stats-band{grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr}
.article{padding:26px}
.article h1{font-size:25px}
.demo-metrics{grid-template-columns:repeat(3,1fr)}
.cta h2{font-size:26px}
}
@media (max-width:480px){
.wrap{padding:0 18px}
.hero-stats{gap:22px}
.hero-actions .btn{flex:1;justify-content:center}
.hero-stats .num{font-size:26px}
.btn-lg{padding:15px 28px;font-size:16px}
.gauge{width:180px;height:180px}
.sec-head h2{font-size:25px}
.demo{padding:18px}
.sitemap-list .grp ul{grid-template-columns:1fr}
.err-wrap .code{font-size:90px}
}