*{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","Helvetica Neue",Arial,sans-serif;background:#070b16;color:#e8f0ff;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}ul,ol{list-style:none}button,input{font-family:inherit}:root{--brand:#00d68f;--brand2:#00a3ff;--grad:linear-gradient(135deg,#00d68f,#00a3ff);--bg:#070b16;--bg2:#0b1224;--card:#0f1a30;--line:rgba(120,160,255,.14);--muted:#8fa3c8;--glow:0 0 24px rgba(0,214,143,.35)}
.container{width:min(1200px,92%);margin:0 auto}
section{padding:88px 0}
.sec-head{text-align:center;margin-bottom:48px}
.sec-head .tag{display:inline-block;padding:6px 18px;border:1px solid var(--line);border-radius:999px;color:var(--brand);font-size:13px;margin-bottom:14px;background:rgba(0,214,143,.06)}
.sec-head h2{font-size:36px;font-weight:800;letter-spacing:.5px}
.sec-head p{color:var(--muted);margin-top:12px;font-size:16px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 34px;border-radius:12px;font-weight:700;font-size:16px;cursor:pointer;transition:all .25s;border:none}
.btn-main{background:var(--grad);color:#04121a;box-shadow:var(--glow)}
.btn-main:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,214,143,.45)}
.btn-ghost{border:1px solid rgba(0,214,143,.5);color:var(--brand);background:transparent}
.btn-ghost:hover{background:rgba(0,214,143,.1);transform:translateY(-3px)}
/* ===== 导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s;background:rgba(7,11,22,.55);backdrop-filter:blur(12px);border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(7,11,22,.92);border-bottom:1px solid var(--line);box-shadow:0 8px 30px rgba(0,0,0,.45)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800}
.logo img{width:34px;height:34px;border-radius:8px}
.logo em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.menu{display:flex;align-items:center;gap:6px}
.menu>li{position:relative}
.menu>li>a{display:block;padding:10px 16px;font-size:15px;font-weight:600;color:#cdd9f4;border-radius:10px;transition:all .2s}
.menu>li>a:hover,.menu>li.on>a{color:#fff;background:rgba(120,160,255,.1)}
.nav-details{position:relative}
.nav-details .drop-title{display:flex;align-items:center;gap:6px;padding:10px 16px;font-size:15px;font-weight:600;color:#cdd9f4;border-radius:10px;cursor:pointer;list-style:none}
.nav-details .drop-title::-webkit-details-marker{display:none}
.nav-details .drop-title::marker{content:""}
.nav-details .arr{font-size:10px;transition:transform .3s;color:var(--brand)}
.nav-details .drop{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(8px);background:#0d1730;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 44px rgba(0,0,0,.55);padding:10px;min-width:208px;opacity:0;pointer-events:none;transition:all .25s;z-index:60}
.nav-details .drop a{display:block;padding:10px 14px;border-radius:10px;color:#cdd9f4;font-size:14px;white-space:nowrap}
.nav-details .drop a:hover{background:rgba(0,214,143,.1);color:var(--brand)}
.nav-cta{display:inline-flex;padding:10px 22px;border-radius:10px;background:var(--grad);color:#04121a;font-weight:700;font-size:14px;box-shadow:var(--glow);transition:all .25s}
.nav-cta:hover{transform:translateY(-2px)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px}
.burger span{width:24px;height:2px;background:#e8f0ff;border-radius:2px;transition:all .3s}
#nav-toggle{display:none}
@media(min-width:993px){.nav-details:hover .drop,.nav-details[open] .drop{opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.nav-details:hover .arr,.nav-details[open] .arr{transform:rotate(180deg)}}
@media(max-width:992px){.burger{display:flex}.menu{position:fixed;top:72px;left:0;right:0;background:#0b1224;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:14px 5%;gap:4px;max-height:0;overflow:auto;opacity:0;pointer-events:none;transition:all .3s;box-shadow:0 20px 40px rgba(0,0,0,.5)}
#nav-toggle:checked~.menu{max-height:calc(100vh - 72px);opacity:1;pointer-events:auto;padding-bottom:24px}
.nav-details .drop{position:static;transform:none;background:rgba(120,160,255,.05);opacity:1;pointer-events:auto;border:none;box-shadow:none;min-width:0;margin:2px 0 8px;border-radius:12px}
.nav-details .drop a{white-space:normal}
.nav-details[open] .arr{transform:rotate(180deg)}
.nav-cta{display:none}
#nav-toggle:checked~.burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
#nav-toggle:checked~.burger span:nth-child(2){opacity:0}
#nav-toggle:checked~.burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}}
/* ===== Hero ===== */
.hero{position:relative;padding:170px 0 90px;background:radial-gradient(900px 500px at 85% 10%,rgba(0,163,255,.16),transparent 60%),radial-gradient(700px 500px at 10% 30%,rgba(0,214,143,.12),transparent 60%),var(--bg)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border:1px solid rgba(0,214,143,.4);border-radius:999px;background:rgba(0,214,143,.07);color:var(--brand);font-size:13px;font-weight:600;margin-bottom:22px}
.hero h1{font-size:52px;font-weight:900;line-height:1.2;letter-spacing:.5px}
.hero .sub{margin:20px 0 30px;color:var(--muted);font-size:17px;max-width:520px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-data{display:flex;gap:36px;margin-top:40px;flex-wrap:wrap}
.hd-item b{font-size:30px;font-weight:800;display:block}
.hd-item b i{font-style:normal;font-size:16px;color:var(--brand)}
.hd-item span{color:var(--muted);font-size:13px}
/* ===== 演示器 ===== */
.demo{background:linear-gradient(160deg,#0e1b36,#0a1124);border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 0 1px rgba(0,214,143,.06);padding:22px;max-width:460px;margin-left:auto;position:relative;overflow:hidden}
.demo::before{content:"";position:absolute;inset:0;background:radial-gradient(360px 220px at 50% 0,rgba(0,214,143,.14),transparent 65%);pointer-events:none}
.demo-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;position:relative}
.demo-dots{display:flex;gap:6px}
.demo-dots i{width:10px;height:10px;border-radius:50%;display:block}
.demo-dots i:nth-child(1){background:#ff5f57}.demo-dots i:nth-child(2){background:#febc2e}.demo-dots i:nth-child(3){background:#28c840}
.demo-title{font-size:13px;font-weight:700;color:#9fb3dd}
.demo-title b{color:var(--brand)}
.switch{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);cursor:pointer;position:relative}
.switch input{position:absolute;opacity:0;width:0;height:0}
.switch .track{width:40px;height:22px;border-radius:999px;background:#1b2a4d;position:relative;transition:background .3s;flex:none}
.switch .track::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#8fa3c8;transition:all .3s}
.switch input:checked+.track{background:var(--grad)}
.switch input:checked+.track::after{left:21px;background:#04121a}
.gauge-wrap{text-align:center;position:relative}
.gauge{width:200px;height:150px;margin:0 auto;position:relative}
.gauge svg{width:100%;height:100%}
.gauge .g-bg{fill:none;stroke:#1b2a4d;stroke-width:12;stroke-linecap:round}
.gauge .g-val{fill:none;stroke:url(#ggrad);stroke-width:12;stroke-linecap:round;transition:all .6s}
.needle{position:absolute;left:50%;bottom:6px;width:3px;height:64px;background:linear-gradient(180deg,var(--brand),rgba(0,214,143,.2));transform-origin:bottom center;transform:translateX(-50%) rotate(-62deg);border-radius:2px;transition:transform 1.2s cubic-bezier(.4,0,.2,1)}
.needle::before{content:"";position:absolute;left:50%;bottom:-4px;width:14px;height:14px;transform:translateX(-50%);border-radius:50%;background:var(--grad);box-shadow:0 0 14px rgba(0,214,143,.8)}
.gauge-center{position:absolute;left:50%;bottom:10px;transform:translateX(-50%);text-align:center}
.gauge-center b{font-size:34px;font-weight:800;display:block;line-height:1}
.gauge-center b small{font-size:14px;color:var(--brand)}
.gauge-center span{font-size:12px;color:var(--muted)}
.demo-c{position:absolute;opacity:0;width:0;height:0}
.demo-c:checked~.gauge-wrap .needle{animation:needleSpin 5s ease-in-out infinite}
.demo-c:checked~.gauge-wrap .gauge-center b{color:var(--brand)}
@keyframes needleSpin{0%,100%{transform:translateX(-50%) rotate(-62deg)}50%{transform:translateX(-50%) rotate(50deg)}}
.connect-btn{display:block;width:100%;text-align:center;padding:15px;border-radius:14px;background:var(--grad);color:#04121a;font-weight:800;font-size:16px;cursor:pointer;box-shadow:var(--glow);transition:all .25s;position:relative}
.connect-btn:hover{filter:brightness(1.1)}
.demo-c:checked~.demo-connect-row .connect-btn{background:rgba(255,95,87,.15);color:#ff5f57;border:1px solid rgba(255,95,87,.45);box-shadow:none}
.demo-c:checked~.demo-connect-row .c-off{display:none}
.demo-c:checked~.demo-connect-row .c-on{display:block}
.demo-c:checked~.gauge-wrap .g-val{stroke:var(--brand)}
.c-on{display:none}
.node-meta{display:flex;justify-content:center;gap:26px;margin-top:6px;font-size:13px;color:var(--muted);position:relative}
.node-meta b{color:#fff;font-weight:700}
.node-now{margin-top:2px;font-size:13px;color:var(--muted)}
.node-now b{color:var(--brand)}
.node-name span{display:none}
.dnode{position:absolute;opacity:0;width:0;height:0}
#dnode-hk:checked~.gauge-wrap .node-name span:nth-child(1){display:inline}
#dnode-jp:checked~.gauge-wrap .node-name span:nth-child(2){display:inline}
#dnode-sg:checked~.gauge-wrap .node-name span:nth-child(3){display:inline}
#dnode-us:checked~.gauge-wrap .node-name span:nth-child(4){display:inline}
.node-list{margin-top:18px;display:grid;grid-template-columns:1fr 1fr;gap:10px;position:relative}
.node-item{display:flex;align-items:center;gap:8px;padding:11px 13px;border:1px solid var(--line);border-radius:12px;font-size:13px;cursor:pointer;transition:all .25s;background:#0b1529}
.node-item .dot{width:8px;height:8px;border-radius:50%;flex:none}
.node-item b{font-size:13px;font-weight:600}
.node-item .lat{margin-left:auto;color:var(--muted);font-size:12px}
#dnode-hk:checked~.node-list .node-item[for=dnode-hk],#dnode-jp:checked~.node-list .node-item[for=dnode-jp],#dnode-sg:checked~.node-list .node-item[for=dnode-sg],#dnode-us:checked~.node-list .node-item[for=dnode-us]{border-color:var(--brand);background:rgba(0,214,143,.08);box-shadow:0 0 14px rgba(0,214,143,.18)}
/* ===== 数据统计 ===== */
.stats{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px 24px;text-align:center;transition:all .3s}
.stat-card:hover{transform:translateY(-6px);border-color:rgba(0,214,143,.4);box-shadow:0 14px 34px rgba(0,0,0,.4)}
.stat-card .ico{font-size:30px;margin-bottom:10px}
.stat-card b{font-size:36px;font-weight:900;display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-card span{color:var(--muted);font-size:14px}
/* ===== 卡片通用 ===== */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px 26px;transition:all .3s;position:relative;overflow:hidden}
.feat-card::after{content:"";position:absolute;inset:0;background:radial-gradient(300px 160px at 80% 0,rgba(0,163,255,.12),transparent 70%);pointer-events:none}
.feat-card:hover{transform:translateY(-6px);border-color:rgba(0,214,143,.45);box-shadow:0 16px 38px rgba(0,0,0,.45)}
.feat-card .ico{width:56px;height:56px;border-radius:16px;background:rgba(0,214,143,.1);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px;border:1px solid rgba(0,214,143,.25)}
.feat-card h3{font-size:19px;margin-bottom:10px}
.feat-card p{color:var(--muted);font-size:14px}
/* ===== 节点/速度 ===== */
.nodes-section{background:var(--bg2)}
.nodes-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.board{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:26px}
.board h3{font-size:20px;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.board h3 .ico{font-size:22px}
.node-row{display:flex;align-items:center;gap:12px;padding:13px 14px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#0b1529;font-size:14px}
.node-row .dot{width:9px;height:9px;border-radius:50%}
.node-row b{font-weight:600}
.node-row .bar{flex:1;height:5px;border-radius:99px;background:#1b2a4d;overflow:hidden}
.node-row .bar i{display:block;height:100%;border-radius:99px;background:var(--grad)}
.node-row span{color:var(--muted);font-size:13px;width:74px;text-align:right}
.speed-board .speed-line{margin-bottom:20px}
.speed-line .sl-top{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:8px}
.speed-line .sl-top b{color:#fff;font-size:15px}
.speed-line .sl-bar{height:10px;border-radius:99px;background:#1b2a4d;overflow:hidden}
.speed-line .sl-bar i{display:block;height:100%;border-radius:99px;background:var(--grad)}
.proto-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.proto-tags span{padding:8px 16px;border:1px solid var(--line);border-radius:999px;font-size:13px;color:#cdd9f4;background:#0b1529}
.proto-tags span b{color:var(--brand)}
/* ===== 场景 ===== */
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sc-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px 24px;transition:all .3s}
.sc-card:hover{transform:translateY(-6px);border-color:rgba(0,163,255,.5);box-shadow:0 16px 38px rgba(0,0,0,.45)}
.sc-card .ico{font-size:30px;margin-bottom:14px}
.sc-card h3{font-size:18px;margin-bottom:8px}
.sc-card p{color:var(--muted);font-size:14px}
/* ===== 三步上手 ===== */
.steps-section{background:var(--bg2)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:34px 26px 28px;transition:all .3s}
.step-card:hover{transform:translateY(-6px);border-color:rgba(0,214,143,.45)}
.step-num{position:absolute;top:-20px;left:24px;width:44px;height:44px;border-radius:14px;background:var(--grad);color:#04121a;font-weight:900;font-size:20px;display:flex;align-items:center;justify-content:center;box-shadow:var(--glow)}
.step-card h3{margin:8px 0 10px;font-size:18px}
.step-card p{color:var(--muted);font-size:14px}
/* ===== 价格 ===== */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px 28px;position:relative;transition:all .3s;display:flex;flex-direction:column}
.price-card:hover{transform:translateY(-8px)}
.price-card.hot{border-color:rgba(0,214,143,.6);box-shadow:0 0 0 1px rgba(0,214,143,.3),0 22px 50px rgba(0,0,0,.5);background:linear-gradient(165deg,#10213d,#0c1630)}
.hot-tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#04121a;font-size:12px;font-weight:800;padding:6px 18px;border-radius:999px;box-shadow:var(--glow)}
.price-card h3{font-size:19px}
.price-card .price{margin:18px 0 6px}
.price-card .price b{font-size:44px;font-weight:900}
.price-card .price b i{font-style:normal;font-size:18px;color:var(--brand)}
.price-card .price span{color:var(--muted);font-size:13px}
.price-card .desc{color:var(--muted);font-size:13px;margin-bottom:20px}
.price-card ul{flex:1;margin-bottom:24px}
.price-card ul li{padding:8px 0;font-size:14px;color:#cdd9f4;border-bottom:1px dashed rgba(120,160,255,.12)}
.price-card ul li::before{content:"✓";color:var(--brand);font-weight:800;margin-right:10px}
/* ===== FAQ ===== */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:border-color .3s}
.faq-item[open]{border-color:rgba(0,214,143,.5)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:700;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--brand);font-size:22px;font-weight:400;transition:transform .3s;flex:none}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 24px 22px;color:var(--muted);font-size:14px}
.faq-item .faq-body b{color:#fff}
/* ===== 评价 ===== */
.tes-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.t-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;transition:all .3s}
.t-card:hover{transform:translateY(-5px);border-color:rgba(0,214,143,.4)}
.t-stars{color:#ffc53d;letter-spacing:3px;margin-bottom:12px}
.t-card p{color:#cdd9f4;font-size:14px;margin-bottom:16px}
.t-user{display:flex;align-items:center;gap:12px}
.t-user .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:16px}
.t-user b{font-size:14px;display:block}
.t-user span{font-size:12px;color:var(--muted)}
/* ===== 资讯卡片 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:all .3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);border-color:rgba(0,163,255,.5);box-shadow:0 16px 38px rgba(0,0,0,.45)}
.news-card .thumb{position:relative;overflow:hidden}
.news-card .thumb img{width:100%;height:190px;object-fit:cover;transition:transform .5s}
.news-card:hover .thumb img{transform:scale(1.06)}
.news-card .thumb .cat{position:absolute;left:14px;top:14px;background:rgba(7,11,22,.85);border:1px solid rgba(0,214,143,.4);color:var(--brand);font-size:12px;padding:4px 12px;border-radius:999px}
.news-card .nc-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-card .date{font-size:12px;color:var(--muted);margin-bottom:8px}
.news-card h3{font-size:17px;line-height:1.5;margin-bottom:10px;flex:1}
.news-card h3 a:hover{color:var(--brand)}
.news-card .more{color:var(--brand);font-size:13px;font-weight:600}
/* ===== CTA ===== */
.cta{position:relative;background:linear-gradient(140deg,#0b1c33,#0a1124);border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(640px 300px at 50% 0,rgba(0,214,143,.18),transparent 70%);pointer-events:none}
.cta-box{text-align:center;position:relative;padding:20px 0}
.cta-box h2{font-size:38px;font-weight:900}
.cta-box p{color:var(--muted);margin:14px 0 30px;font-size:16px}
/* ===== 页脚 ===== */
.footer{background:#05080f;padding:64px 0 30px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.footer .f-brand p{color:var(--muted);font-size:13px;margin-top:14px;max-width:300px}
.footer h4{font-size:15px;margin-bottom:16px;color:#fff}
.footer .f-col a{display:block;color:var(--muted);font-size:13px;padding:6px 0;transition:color .2s}
.footer .f-col a:hover{color:var(--brand)}
.footer-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:13px}
.footer-bottom .links{display:flex;gap:20px}
.footer-bottom .links a:hover{color:var(--brand)}
.backtop{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:14px;background:var(--grad);color:#04121a;font-size:20px;display:flex;align-items:center;justify-content:center;box-shadow:var(--glow);z-index:90;opacity:0;pointer-events:none;transition:all .3s}
.backtop.show{opacity:1;pointer-events:auto}
/* ===== 面包屑 ===== */
.page-hero{padding:150px 0 60px;background:radial-gradient(800px 420px at 70% 0,rgba(0,163,255,.14),transparent 60%),var(--bg)}
.breadcrumb{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:#cdd9f4}
.page-hero h1{font-size:38px;font-weight:900;margin-bottom:12px}
.page-hero .sub{color:var(--muted);max-width:640px}
/* ===== 下载页 ===== */
.dl-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.dl-meta{display:flex;gap:26px;margin:22px 0 30px;flex-wrap:wrap}
.dl-meta div b{font-size:22px;font-weight:800;display:block;color:#fff}
.dl-meta div b i{font-style:normal;font-size:13px;color:var(--brand)}
.dl-meta div span{font-size:12px;color:var(--muted)}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ver-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px 24px;display:flex;flex-direction:column;transition:all .3s}
.ver-card:hover{transform:translateY(-6px);border-color:rgba(0,214,143,.45)}
.ver-card .os{font-size:34px;margin-bottom:12px}
.ver-card h3{font-size:18px}
.ver-card .v{color:var(--brand);font-size:13px;margin:6px 0 4px}
.ver-card .sz{color:var(--muted);font-size:12px;margin-bottom:16px}
.ver-card ul{flex:1;margin-bottom:20px}
.ver-card ul li{font-size:13px;color:#cdd9f4;padding:5px 0}
.ver-card ul li::before{content:"✓";color:var(--brand);font-weight:800;margin-right:8px}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sys-item{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 20px;display:flex;gap:14px;align-items:flex-start}
.sys-item .ico{font-size:24px}
.sys-item b{font-size:15px;display:block;margin-bottom:4px}
.sys-item span{color:var(--muted);font-size:13px}
.install-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.install-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px 22px;text-align:center;transition:all .3s}
.install-card:hover{transform:translateY(-6px);border-color:rgba(0,163,255,.5)}
.install-card .num{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#04121a;font-weight:900;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;box-shadow:var(--glow)}
.install-card h3{font-size:17px;margin-bottom:8px}
.install-card p{color:var(--muted);font-size:13px}
/* ===== 新闻列表 ===== */
.news-list-hero{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.news-list{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.news-list .news-card{flex-direction:row}
.news-list .news-card .thumb{flex:none;width:44%}
.news-list .news-card .thumb img{height:100%;min-height:190px}
/* ===== 新闻详情 ===== */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}
.article{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:38px 42px}
.article .art-meta{display:flex;gap:18px;color:var(--muted);font-size:13px;margin:14px 0 22px;flex-wrap:wrap}
.article .cover{border-radius:14px;margin-bottom:28px}
.article h2{font-size:24px;margin:34px 0 16px;padding-left:14px;border-left:4px solid var(--brand);scroll-margin-top:100px}
.article p{color:#c6d4ef;font-size:15px;margin-bottom:18px;text-align:justify}
.article .lead{font-size:16px;color:#e8f0ff;border-left:3px solid var(--brand2);padding-left:16px;background:rgba(0,163,255,.05);padding:16px 18px;border-radius:0 12px 12px 0}
.article .quote{border:1px solid rgba(0,214,143,.3);background:rgba(0,214,143,.05);border-radius:14px;padding:18px 22px;margin:22px 0;font-size:15px;color:#d9e6ff}
.article .quote b{color:var(--brand)}
.article .data-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.article .data-table th{background:#0b1529;color:var(--brand);text-align:left;padding:12px 16px;border:1px solid var(--line)}
.article .data-table td{padding:12px 16px;border:1px solid var(--line);color:#c6d4ef}
.art-nav{display:flex;justify-content:space-between;gap:14px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap}
.art-nav a{padding:12px 18px;border:1px solid var(--line);border-radius:12px;font-size:14px;color:#cdd9f4;transition:all .2s}
.art-nav a:hover{border-color:var(--brand);color:var(--brand)}
/* 侧边栏 */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 10px 28px rgba(0,0,0,.3)}
.side-card h4{font-size:15px;margin-bottom:16px;padding-left:12px;border-left:4px solid var(--brand)}
.toc li{margin-bottom:2px}
.toc a{display:flex;gap:12px;padding:9px 10px;border-radius:10px;font-size:13px;color:var(--muted);position:relative;transition:all .2s}
.toc a::before{content:"";width:8px;height:8px;border-radius:50%;background:#1b2a4d;margin-top:7px;flex:none;transition:all .2s}
.toc a::after{content:"";position:absolute;left:14px;top:0;bottom:0;width:2px;background:#1b2a4d;transform:translateY(18px)}
.toc li:last-child a::after{display:none}
.toc a:hover{color:#fff}
.toc a.on{color:var(--brand);font-weight:700}
.toc a.on::before{background:var(--brand);box-shadow:0 0 8px rgba(0,214,143,.8)}
.hot-news li{margin-bottom:8px}
.hot-news a{display:flex;gap:12px;align-items:flex-start;font-size:13px;color:#cdd9f4;line-height:1.5;transition:color .2s}
.hot-news a:hover{color:var(--brand)}
.hot-news a:hover .rank{transform:scale(1.15)}
.rank{flex:none;width:22px;height:22px;border-radius:6px;background:#2a3c63;color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;transition:transform .2s}
.rank.r1{background:var(--grad)}
.rank.r2{background:linear-gradient(135deg,#ff9f43,#ff6b6b)}
.rank.r3{background:linear-gradient(135deg,#ffc53d,#ff9f43)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag-cloud a{padding:7px 14px;border:1px solid var(--line);border-radius:999px;font-size:12px;color:var(--muted);transition:all .2s}
.tag-cloud a:hover{border-color:var(--brand);color:var(--brand)}
/* 评论 */
.comments{margin-top:40px;padding-top:30px;border-top:1px solid var(--line)}
.comments h2{font-size:22px;margin-bottom:22px}
.comment{display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed rgba(120,160,255,.12)}
.comment .ava{flex:none;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:16px}
.comment .c-body b{font-size:14px;display:block}
.comment .c-body time{font-size:12px;color:var(--muted)}
.comment .c-body p{font-size:14px;color:#c6d4ef;margin-top:6px;margin-bottom:0}
/* ===== 404 ===== */
.err-box{text-align:center;padding:170px 0 120px}
.err-box .err-num{font-size:120px;font-weight:900;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.err-box h1{font-size:28px;margin:20px 0 12px}
.err-box p{color:var(--muted);margin-bottom:30px}
/* ===== sitemap.html ===== */
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.map-col{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px}
.map-col h3{font-size:17px;margin-bottom:16px;padding-left:12px;border-left:4px solid var(--brand)}
.map-col a{display:flex;justify-content:space-between;align-items:center;padding:9px 4px;font-size:14px;color:#cdd9f4;border-bottom:1px dashed rgba(120,160,255,.1)}
.map-col a:hover{color:var(--brand)}
.map-col a span{font-size:12px;color:var(--muted)}
/* ===== 隐私/条款 ===== */
.doc-page{max-width:860px}
.doc-page h2{font-size:22px;margin:32px 0 14px;padding-left:14px;border-left:4px solid var(--brand)}
.doc-page p{color:#c6d4ef;font-size:15px;margin-bottom:14px;text-align:justify}
.doc-page .note{border:1px solid rgba(255,159,67,.4);background:rgba(255,159,67,.06);border-radius:12px;padding:14px 18px;font-size:13px;color:#ffd9a0;margin:20px 0}
/* ===== reveal 动画（仅 JS 可用时） ===== */
html.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
html.js .reveal.in{opacity:1;transform:none}
/* ===== 响应式 ===== */
@media(max-width:992px){.hero{padding:140px 0 70px}.hero-inner,.dl-hero,.nodes-grid,.article-wrap{grid-template-columns:1fr;gap:36px}.hero h1{font-size:40px}.demo{max-width:100%;margin:0 auto}.features-grid,.scenario-grid,.pricing-grid,.news-grid,.ver-grid,.sys-grid,.stats-grid{grid-template-columns:repeat(2,1fr)}.steps-grid,.install-grid{grid-template-columns:repeat(2,1fr)}.sidebar{position:static}.footer-grid{grid-template-columns:1fr 1fr}.article{padding:28px 24px}.news-list{grid-template-columns:1fr}.news-list .news-card{flex-direction:column}.news-list .news-card .thumb{width:100%}}
@media(max-width:768px){section{padding:64px 0}.sec-head h2{font-size:28px}.hero h1{font-size:34px}.features-grid,.scenario-grid,.pricing-grid,.news-grid,.ver-grid,.sys-grid,.stats-grid,.steps-grid,.install-grid,.map-grid{grid-template-columns:1fr}.hero-data{gap:20px}.cta-box h2{font-size:28px}.page-hero h1{font-size:30px}.article h2{font-size:20px}}
@media(max-width:480px){.hero{padding:120px 0 60px}.hero h1{font-size:29px}.btn{padding:13px 24px;font-size:15px}.node-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;text-align:center}.tes-grid{grid-template-columns:1fr}.article{padding:22px 18px}}