:root{--brand:#1d4ed8;--brand2:#4f46e5;--accent:#f59e0b;--dark:#0b1220;--dark2:#131c2e;--text:#1f2937;--muted:#5b6675;--line:#e6eaf0;--bg:#f6f8fc;--white:#fff;--radius:16px;--shadow:0 10px 30px rgba(15,23,42,.08)}
*{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;color:var(--text);background:var(--bg);line-height:1.7;-webkit-text-size-adjust:100%}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.3;color:#0f172a}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:78px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 44px}
.kicker{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--brand);font-weight:700;background:#e8efff;padding:5px 12px;border-radius:999px;margin-bottom:14px}
.sec-head h2{font-size:34px;margin-bottom:12px}
.sec-head p{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:.25s;min-height:46px}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 8px 20px rgba(29,78,216,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(29,78,216,.36)}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff}
.btn-line{color:var(--brand);border-color:#c7d7ff;background:#fff}
.btn-line:hover{background:#eef4ff}
.btn-lg{padding:15px 34px;font-size:17px}
.site-nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(11,18,32,.72);backdrop-filter:blur(12px);transition:.3s;border-bottom:1px solid rgba(255,255,255,.08)}
.site-nav.scrolled{background:rgba(8,13,24,.94);box-shadow:0 6px 24px rgba(0,0,0,.28)}
.nav-inner{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:#fff;letter-spacing:.5px;white-space:nowrap}
.brand img{width:32px;height:32px;border-radius:8px}
.brand-name{color:#fff}
.brand-name b{color:var(--accent);font-weight:inherit}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:6px;padding:10px 14px;color:#dbe3f0;font-size:15.5px;font-weight:500;cursor:pointer;border-radius:10px;transition:.2s;min-height:42px}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.arrow{font-size:10px;transition:transform .25s;color:var(--accent)}
.nav-drop{position:absolute;top:calc(100% + 10px);left:0;min-width:200px;background:#fff;border-radius:12px;box-shadow:0 18px 40px rgba(15,23,42,.18);padding:8px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:.22s}
.nav-drop a{display:block;padding:10px 14px;border-radius:8px;color:#334155;font-size:15px}
.nav-drop a:hover{background:#f1f5ff;color:var(--brand)}
.nav-item:hover .nav-drop,.nav-item:focus-within .nav-drop{opacity:1;visibility:visible;transform:translateY(0)}
.nav-item:hover .arrow{transform:rotate(180deg)}
.nav-check,.sub-check{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.hamburger{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;gap:5px;cursor:pointer;margin-left:auto;border-radius:10px}
.hamburger i{display:block;height:2px;width:22px;background:#fff;margin:0 auto;transition:.25s}
.nav-cta{margin-left:6px;padding:10px 20px;border-radius:999px;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;font-weight:600;font-size:15px;white-space:nowrap;box-shadow:0 6px 18px rgba(79,70,229,.35)}
.hero{position:relative;padding:140px 0 84px;background:radial-gradient(900px 420px at 15% 0%,rgba(79,70,229,.45),transparent 60%),radial-gradient(700px 400px at 85% 20%,rgba(245,158,11,.18),transparent 60%),linear-gradient(160deg,#0b1220,#101c35 60%,#0b1220);color:#fff;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 85%);-webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 85%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#ffd27a;padding:7px 16px;border-radius:999px;font-size:13.5px;margin-bottom:20px}
.hero h1{font-size:46px;color:#fff;letter-spacing:-.5px;margin-bottom:18px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#ffd27a,#f59e0b 55%,#fbbf24);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17.5px;color:#c3cede;max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:520px}
.hero-stats li{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:12px 14px}
.hero-stats b{display:block;font-size:23px;color:#fff;font-weight:800}
.hero-stats span{font-size:13px;color:#9fb0c7}
.demo-panel{background:#fff;border-radius:20px;box-shadow:0 30px 70px rgba(2,6,23,.45);padding:18px;color:var(--text);position:relative}
.demo-head{display:flex;align-items:center;justify-content:space-between;padding:4px 6px 14px;border-bottom:1px solid var(--line)}
.demo-head strong{font-size:15px;color:#0f172a}
.demo-live{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#16a34a;background:#e9f9ef;padding:4px 10px;border-radius:999px}
.demo-live i{width:7px;height:7px;border-radius:50%;background:#16a34a;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(22,163,74,.5)}50%{box-shadow:0 0 0 6px rgba(22,163,74,0)}}
.demo-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:#f1f4f9;border-radius:12px;padding:5px;margin:14px 0}
.demo-tabs label{text-align:center;padding:9px 4px;font-size:13.5px;border-radius:9px;cursor:pointer;color:#475569;font-weight:600}

.demo-period{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);padding:2px 4px 10px}
.ball-row{display:flex;gap:8px;flex-wrap:wrap;padding:4px 2px 14px}
.ball{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;color:#fff;background:linear-gradient(145deg,#1d4ed8,#3b82f6);box-shadow:inset 0 -3px 6px rgba(0,0,0,.18)}
.ball.red{background:linear-gradient(145deg,#dc2626,#f87171)}
.ball.blue{background:linear-gradient(145deg,#1d4ed8,#60a5fa)}
.ball.green{background:linear-gradient(145deg,#15803d,#4ade80)}
.ball.special{background:linear-gradient(145deg,#f59e0b,#fcd34d);color:#3f2a00}
.demo-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.demo-metrics div{background:#f6f8fc;border-radius:10px;padding:9px 10px;text-align:center}
.demo-metrics span{display:block;font-size:11.5px;color:var(--muted)}
.demo-metrics b{font-size:17px;color:#0f172a}
.demo-chart{display:flex;align-items:flex-end;gap:7px;height:96px;padding:6px 4px 0;border-bottom:1px solid var(--line)}
.demo-chart i{flex:1;background:linear-gradient(180deg,#60a5fa,#1d4ed8);border-radius:5px 5px 0 0;transition:height .6s}
.demo-chart i:nth-child(2n){background:linear-gradient(180deg,#fbbf24,#f59e0b)}
.demo-foot{display:flex;justify-content:space-between;align-items:center;padding-top:12px;font-size:12px;color:var(--muted)}
.demo-foot b{color:#0f172a}
.stats-band{background:#fff;border-bottom:1px solid var(--line)}
.stats-band ul{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:34px 0}
.stats-band li{text-align:center;border-right:1px solid var(--line)}
.stats-band li:last-child{border-right:0}
.stats-band b{display:block;font-size:32px;color:var(--brand);font-weight:800}
.stats-band span{color:var(--muted);font-size:14px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.28s;box-shadow:0 2px 8px rgba(15,23,42,.03)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#cfdcff}
.card .ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;background:linear-gradient(135deg,#e8efff,#eef2ff);margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:9px}
.card p{color:var(--muted);font-size:14.5px}
.card ul{margin-top:12px;display:grid;gap:6px}
.card ul li{font-size:13.5px;color:#475569;padding-left:18px;position:relative}
.card ul li:before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:2px;background:var(--accent)}
.analysis{background:linear-gradient(180deg,#0d1729,#101f3a);color:#dbe3f0;position:relative;overflow:hidden}
.analysis .sec-head h2{color:#fff}
.analysis .sec-head p{color:#9fb0c7}
.analysis .kicker{background:rgba(255,255,255,.1);color:#ffd27a}
.view-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.view-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:24px;transition:.28s}
.view-card:hover{background:rgba(255,255,255,.1);transform:translateY(-5px);border-color:rgba(255,210,122,.5)}
.view-card .num{font-size:13px;font-weight:800;color:#ffd27a;letter-spacing:1px}
.view-card h3{color:#fff;font-size:18px;margin:8px 0}
.view-card p{color:#a9b8cd;font-size:14px}
.mini-bars{display:flex;align-items:flex-end;gap:5px;height:52px;margin-top:16px}
.mini-bars i{flex:1;background:rgba(96,165,250,.85);border-radius:3px}
.mini-bars i:nth-child(3n){background:rgba(251,191,36,.9)}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scenario{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--line);position:relative;overflow:hidden;transition:.28s}
.scenario:before{content:"";position:absolute;left:0;top:0;width:5px;height:100%;background:linear-gradient(180deg,var(--brand),var(--brand2));opacity:.15}
.scenario:hover{box-shadow:var(--shadow);transform:translateY(-5px)}
.scenario:hover:before{opacity:1}
.scenario .emoji{font-size:26px;margin-bottom:12px;display:block}
.scenario h3{font-size:18px;margin-bottom:8px}
.scenario p{font-size:14.5px;color:var(--muted)}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tags span{font-size:12px;background:#f1f5ff;color:#3355b8;padding:4px 10px;border-radius:999px}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative;transition:.28s}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.step .no{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px}
.step h3{font-size:18px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14.5px}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;display:flex;flex-direction:column;position:relative;transition:.28s}
.price:hover{box-shadow:var(--shadow);transform:translateY(-6px)}
.price.pop{border:2px solid var(--brand);box-shadow:0 20px 44px rgba(29,78,216,.16)}
.price .hot{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-size:12.5px;padding:5px 16px;border-radius:999px;white-space:nowrap}
.price h3{font-size:20px;margin-bottom:6px}
.price .desc{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.price .amount{font-size:40px;font-weight:800;color:#0f172a;line-height:1.2}
.price .amount small{font-size:15px;font-weight:500;color:var(--muted)}
.price ul{display:grid;gap:9px;margin:20px 0 24px}
.price li{font-size:14px;color:#374151;padding-left:22px;position:relative}
.price li:before{content:"✓";position:absolute;left:0;color:#16a34a;font-weight:800}
.price .btn{margin-top:auto;width:100%}
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 22px;transition:.2s}
.faq-list details[open]{border-color:#cfdcff;box-shadow:var(--shadow)}
.faq-list summary{list-style:none;cursor:pointer;font-weight:600;font-size:16.5px;padding:18px 0;display:flex;justify-content:space-between;gap:16px;align-items:center;color:#0f172a}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";font-size:22px;color:var(--brand);font-weight:400;transition:.25s}
.faq-list details[open] summary:after{transform:rotate(45deg)}
.faq-list p{padding:0 0 18px;color:var(--muted);font-size:15px}
.faq-list ol{counter-reset:s;padding:0 0 18px}
.faq-list ol li{counter-increment:s;color:var(--muted);font-size:15px;padding-left:30px;position:relative;margin-bottom:6px}
.faq-list ol li:before{content:counter(s);position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;background:#e8efff;color:var(--brand);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.28s}
.review:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.stars{color:#f59e0b;letter-spacing:2px;margin-bottom:12px}
.review p{font-size:15px;color:#334155;margin-bottom:18px}
.who{display:flex;align-items:center;gap:12px}
.who .av{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#1d4ed8,#7c3aed);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.who b{display:block;font-size:14.5px}
.who span{font-size:12.5px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.28s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.news-card img{width:100%;height:180px;object-fit:cover}
.news-card .body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-card time{font-size:12.5px;color:var(--muted);margin-bottom:8px}
.news-card h3{font-size:17px;line-height:1.5;margin-bottom:10px}
.news-card:hover h3{color:var(--brand)}
.news-card p{font-size:14px;color:var(--muted);margin-bottom:14px;flex:1}
.more{font-size:13.5px;color:var(--brand);font-weight:600}
.cta{background:radial-gradient(600px 260px at 20% 0%,rgba(79,70,229,.5),transparent 70%),linear-gradient(135deg,#0f1c33,#1a2c4f);color:#fff;border-radius:24px;padding:52px;text-align:center;margin:0 auto}
.cta h2{color:#fff;font-size:32px;margin-bottom:12px}
.cta p{color:#c3cede;margin-bottom:26px}
.site-footer{background:#080f1c;color:#9fb0c7;padding:60px 0 26px;margin-top:70px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand p{font-size:13.5px;margin-top:14px;max-width:320px;line-height:1.8}
.foot-col h3{color:#fff;font-size:15px;margin-bottom:14px}
.foot-col a{display:block;font-size:14px;padding:5px 0;color:#9fb0c7}
.foot-col a:hover{color:#ffd27a}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px}
.foot-bottom a{color:#9fb0c7;margin-left:16px}
.foot-bottom a:hover{color:#fff}
.back-top{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(29,78,216,.4);opacity:0;visibility:hidden;transform:translateY(10px);transition:.28s;z-index:90;font-size:18px}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.page-hero{padding:128px 0 54px;background:linear-gradient(160deg,#0b1220,#152544 70%,#0b1220);color:#fff;text-align:center}
.page-hero h1{color:#fff;font-size:38px;margin-bottom:12px}
.page-hero p{color:#b9c6d8;max-width:720px;margin:0 auto}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:#8a9ab0;justify-content:center;margin-bottom:16px}
.breadcrumb a:hover{color:#ffd27a}
.main-pad{padding:56px 0}
.dl-hero{background:linear-gradient(160deg,#0b1220,#152544 70%,#0b1220);color:#fff;padding:130px 0 70px}
.dl-hero h1{color:#fff;font-size:42px;margin-bottom:16px}
.dl-hero p.sub{color:#c3cede;font-size:17px;max-width:520px;margin-bottom:24px}
.dl-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.dl-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:520px}
.dl-meta div{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:12px 14px}
.dl-meta b{display:block;color:#fff;font-size:17px}
.dl-meta span{font-size:12.5px;color:#9fb0c7}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ver{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;display:flex;flex-direction:column;transition:.28s}
.ver:hover{box-shadow:var(--shadow);transform:translateY(-5px)}
.ver h3{font-size:19px;margin-bottom:6px}
.ver .tagline{font-size:13px;color:var(--muted);margin-bottom:14px}
.ver .size{font-size:13px;color:#0f172a;background:#f1f5f9;display:inline-block;padding:4px 10px;border-radius:999px;margin-bottom:16px}
.ver ul{display:grid;gap:8px;margin-bottom:22px}
.ver li{font-size:14px;color:#374151;padding-left:20px;position:relative}
.ver li:before{content:"·";position:absolute;left:6px;color:var(--brand);font-weight:900}
.ver .btn{margin-top:auto}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.req{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.req span{font-size:12.5px;color:var(--muted);display:block;margin-bottom:6px}
.req b{font-size:15.5px;color:#0f172a}
.install-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.install{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.install b{display:flex;width:32px;height:32px;border-radius:10px;background:#e8efff;color:var(--brand);align-items:center;justify-content:center;margin-bottom:12px}
.install h3{font-size:16.5px;margin-bottom:6px}
.install p{font-size:13.8px;color:var(--muted)}
.news-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}
.article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px}
.article .meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted);margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.article h1{font-size:32px;line-height:1.35;margin-bottom:14px}
.article .lead{font-size:16.5px;color:#334155;background:#f6f9ff;border-left:4px solid var(--brand);padding:16px 18px;border-radius:8px;margin-bottom:24px}
.article-body h2{font-size:23px;margin:30px 0 14px;padding-left:14px;border-left:5px solid var(--accent);scroll-margin-top:90px}
.article-body p{margin-bottom:16px;font-size:15.8px;color:#334155}
.article-body img{border-radius:12px;margin:18px 0;width:100%;height:auto}
.article-body figure{margin:20px 0}
.article-body figcaption{font-size:12.5px;color:var(--muted);text-align:center;margin-top:8px}
.article-body blockquote{background:#f8fafc;border-left:4px solid #cbd5e1;padding:16px 20px;border-radius:8px;margin:18px 0;color:#334155;font-size:15.5px}
.data-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;display:block;overflow-x:auto}
.data-table th,.data-table td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.data-table th{background:#f1f5f9;color:#0f172a}
.data-table tr:nth-child(even) td{background:#fafcff}
.article-cta{background:linear-gradient(135deg,#0f1c33,#1a2c4f);color:#fff;border-radius:14px;padding:24px;margin:30px 0;display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center}
.article-cta b{font-size:18px;color:#fff;display:block}
.article-cta span{font-size:13.5px;color:#b9c6d8}
.comments{margin-top:34px;border-top:1px solid var(--line);padding-top:24px}
.comments h2{font-size:20px;margin-bottom:18px}
.comment{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line)}
.comment .av{width:40px;height:40px;border-radius:50%;background:#e8efff;color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.comment .c-body b{font-size:14px}
.comment .c-body time{font-size:12px;color:var(--muted);margin-left:8px}
.comment p{font-size:14.3px;color:#475569;margin-top:4px}
.article-nav{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:26px}
.article-nav a{font-size:14px;color:var(--brand);background:#f1f5ff;padding:10px 16px;border-radius:10px}
.article-nav a:hover{background:#e0e9ff}
.related{margin-top:30px}
.related h2{font-size:19px;margin-bottom:14px}
.related ul{display:grid;gap:10px}
.related li a{font-size:14.5px;color:#334155;display:block;padding:10px 14px;background:#f8fafc;border-radius:10px}
.related li a:hover{color:var(--brand);background:#eef4ff}
.side-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:20px;box-shadow:0 4px 14px rgba(15,23,42,.04)}
.side-card h3{font-size:16px;padding-left:12px;position:relative;margin-bottom:16px}
.side-card h3:before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:4px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand2))}
.side-sticky{position:sticky;top:92px}
.toc{position:relative;padding-left:18px}
.toc:before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:var(--line)}
.toc a{display:block;font-size:13.8px;color:#475569;padding:6px 0 6px 6px;position:relative;line-height:1.5}
.toc a:before{content:"";position:absolute;left:-18px;top:13px;width:8px;height:8px;border-radius:50%;background:#fff;border:2px solid #cbd5e1}
.toc a.active{color:var(--brand);font-weight:700}
.toc a.active:before{border-color:var(--brand);background:var(--brand)}
.hot-list li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;border-bottom:1px dashed var(--line)}
.hot-list li:last-child{border-bottom:0}
.hot-num{width:22px;height:22px;border-radius:6px;background:#e2e8f0;color:#475569;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:.2s}
.hot-list li:nth-child(1) .hot-num{background:linear-gradient(135deg,#1d4ed8,#4f46e5);color:#fff}
.hot-list li:nth-child(2) .hot-num{background:linear-gradient(135deg,#f97316,#fb923c);color:#fff}
.hot-list li:nth-child(3) .hot-num{background:linear-gradient(135deg,#d4a017,#fbbf24);color:#fff}
.hot-list a{font-size:13.8px;line-height:1.6;color:#334155}
.hot-list li:hover .hot-num{transform:scale(1.12)}
.hot-list li:hover a{color:var(--brand)}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px}
.cat-tags a{font-size:12.5px;color:#475569;background:#f1f5f9;padding:5px 11px;border-radius:999px;border:1px solid transparent}
.cat-tags a:hover{color:var(--brand);background:#fff;border-color:var(--brand)}
.news-list{display:grid;gap:20px}
.news-row{display:grid;grid-template-columns:220px 1fr;gap:22px;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.25s}
.news-row:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.news-row img{width:100%;height:100%;object-fit:cover;min-height:150px}
.news-row .rb{padding:20px 22px 20px 0}
.news-row time{font-size:12.5px;color:var(--muted)}
.news-row h3{font-size:19px;margin:6px 0 8px;line-height:1.45}
.news-row:hover h3{color:var(--brand)}
.news-row p{font-size:14.3px;color:var(--muted)}
.filter-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:30px}
.filter-tabs a{font-size:14px;padding:8px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#475569}
.filter-tabs a.on,.filter-tabs a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.map-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.map-card h3{font-size:16.5px;margin-bottom:12px}
.map-card ul{display:grid;gap:7px}
.map-card a{font-size:14px;color:#475569}
.map-card a:hover{color:var(--brand)}
.doc{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;max-width:900px;margin:0 auto}
.doc h1{font-size:32px;margin-bottom:8px}
.doc .updated{font-size:13px;color:var(--muted);margin-bottom:22px}
.doc h2{font-size:21px;margin:28px 0 12px}
.doc p{color:#334155;margin-bottom:12px;font-size:15.5px}
.doc ul{display:grid;gap:8px;margin:0 0 14px}
.doc ul li{font-size:15px;color:#334155;padding-left:20px;position:relative}
.doc ul li:before{content:"";position:absolute;left:4px;top:10px;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.err-wrap{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 20px 60px}
.err-wrap .code{font-size:110px;font-weight:900;background:linear-gradient(135deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.err-wrap h1{font-size:28px;margin:10px 0 12px}
.err-wrap p{color:var(--muted);margin-bottom:24px}
.reveal{opacity:1;transform:none}
html.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
html.js .reveal.in{opacity:1;transform:none}
@media (max-width:992px){
.hero-grid{grid-template-columns:1fr;gap:40px}
.hero h1{font-size:38px}
.hero-stats{max-width:none}
.demo-panel{max-width:560px;margin:0 auto;width:100%}
.nav-menu{position:fixed;top:68px;left:0;right:0;background:#0b1220;flex-direction:column;align-items:stretch;padding:12px 20px 22px;gap:4px;max-height:calc(100vh - 68px);overflow-y:auto;display:none;border-top:1px solid rgba(255,255,255,.08)}
.nav-check:checked ~ .nav-menu{display:flex}
.hamburger{display:flex}
.nav-cta{margin-left:12px;display:none}
.nav-drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,.06);padding:4px;max-height:0;overflow:hidden;transition:max-height .3s;display:block}
.sub-check:checked ~ .nav-drop{max-height:320px}
.nav-drop a{color:#c3cede;padding:9px 16px}
.nav-drop a:hover{background:rgba(255,255,255,.1);color:#fff}
.nav-item{width:100%}
.nav-link{justify-content:space-between;padding:12px 6px}
.arrow{font-size:11px}
.feature-grid,.scenario-grid,.view-grid,.price-grid,.review-grid,.news-grid,.ver-grid,.req-grid,.map-grid{grid-template-columns:repeat(2,1fr)}
.steps-grid,.install-grid{grid-template-columns:repeat(2,1fr)}
.news-layout{grid-template-columns:1fr}
.side-sticky{position:static}
.stats-band ul{grid-template-columns:repeat(2,1fr);gap:24px}
.stats-band li:nth-child(2){border-right:0}
.section{padding:60px 0}
.article{padding:24px}
.article h1{font-size:27px}
.page-hero h1,.dl-hero h1{font-size:32px}
.cta{padding:38px 24px}
.cta h2{font-size:26px}
.foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:768px){
.hero{padding:120px 0 60px}
.hero h1{font-size:31px}
.hero-sub{font-size:16px}
.hero-actions .btn{flex:1;min-width:150px}
.feature-grid,.scenario-grid,.view-grid,.price-grid,.review-grid,.news-grid,.ver-grid,.req-grid,.map-grid,.steps-grid,.install-grid{grid-template-columns:1fr}
.sec-head h2{font-size:26px}
.news-row{grid-template-columns:1fr}
.news-row img{height:190px}
.news-row .rb{padding:0 20px 20px}
.article-cta{flex-direction:column;align-items:flex-start}
.article-body h2{font-size:20px}
.article .lead{font-size:15px}
.data-table{font-size:13px}
.meta{font-size:12px}
.dl-meta{grid-template-columns:repeat(3,1fr)}
.dl-meta div{padding:10px}
.dl-meta b{font-size:14.5px}
.foot-bottom{flex-direction:column;align-items:flex-start}
.foot-bottom a{margin:0 14px 0 0}
}
@media (max-width:480px){
.wrap{padding:0 16px}
.hero h1{font-size:27px}
.hero-stats{grid-template-columns:1fr 1fr}
.hero-stats li:last-child{grid-column:1/-1}
.ball{width:32px;height:32px;font-size:12.5px}
.demo-panel{padding:13px}
.article{padding:18px;border-radius:14px}
.article h1{font-size:23px}
.doc{padding:22px}
.doc h1{font-size:25px}
.cta h2{font-size:22px}
.btn{padding:12px 20px;font-size:15px}
.page-hero,.dl-hero{padding-top:108px}
.section{padding:48px 0}
.foot-grid{grid-template-columns:1fr}
.stats-band b{font-size:26px}
.dl-meta{grid-template-columns:1fr}
}

.demo-panel input[type=radio]{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.demo-body{position:relative}
.demo-view{display:none}
#tab1:checked~.demo-body .v1,#tab2:checked~.demo-body .v2,#tab3:checked~.demo-body .v3{display:block}
#tab1:checked~.demo-tabs label[for=tab1],#tab2:checked~.demo-tabs label[for=tab2],#tab3:checked~.demo-tabs label[for=tab3]{background:#fff;color:var(--brand);box-shadow:0 2px 8px rgba(15,23,42,.1)}
.demo-tabs label:hover{color:var(--brand)}