:root{--brand:#1668e3;--brand-d:#0b47a8;--teal:#12b8a6;--ink:#101b2d;--sub:#586a80;--line:#e4ecf7;--bg:#f6f9fd;--white:#fff;--radius:18px;--shadow:0 12px 34px rgba(16,45,90,.09);--max:1180px}
*{box-sizing:border-box;margin:0;padding:0}
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;color:var(--ink);background:var(--white);line-height:1.75;font-size:16px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.3;font-weight:800;letter-spacing:.2px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:999px;font-weight:700;font-size:15px;background:linear-gradient(120deg,var(--brand),#2b8cf0);color:#fff;box-shadow:0 10px 24px rgba(22,104,227,.28);transition:transform .25s,box-shadow .25s;border:0;cursor:pointer}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(22,104,227,.34)}
.btn.ghost{background:transparent;color:var(--brand);border:2px solid rgba(22,104,227,.35);box-shadow:none}
.btn.ghost:hover{border-color:var(--brand);background:rgba(22,104,227,.06)}
.btn.small{min-height:40px;padding:0 20px;font-size:14px}
.skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:999}
.skip:focus{left:12px;top:12px}
.site-header{position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,236,247,.9);transition:background .3s,box-shadow .3s}
.site-header.scrolled{background:rgba(255,255,255,.97);box-shadow:0 8px 26px rgba(16,45,90,.1)}
.nav-bar{display:flex;align-items:center;gap:26px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.3px;flex:none}
.logo img{width:34px;height:34px;border-radius:9px}
.logo span small{display:block;font-size:11px;font-weight:600;color:var(--sub);letter-spacing:1.4px;line-height:1}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-menu>li{position:relative}
.nav-menu>li>a,.nav-menu>li>details>summary{display:flex;align-items:center;gap:5px;padding:10px 14px;border-radius:10px;font-size:15px;font-weight:600;color:#22344a;cursor:pointer;list-style:none;transition:color .2s,background .2s}
.nav-menu summary::-webkit-details-marker{display:none}
.nav-menu>li>a:hover,.nav-menu>li>details>summary:hover,.nav-menu>li.current>a{color:var(--brand);background:rgba(22,104,227,.07)}
.nav-menu .caret{font-size:10px;transition:transform .25s;color:var(--sub)}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:230px;background:#fff;border-radius:14px;box-shadow:0 18px 40px rgba(16,45,90,.16);border:1px solid var(--line);padding:10px;display:none}
.nav-menu li:hover .dropdown,.nav-menu li:focus-within .dropdown{display:block}
.nav-menu li:hover .caret,.nav-menu li:focus-within .caret{transform:rotate(180deg)}
.dropdown a{display:block;padding:10px 12px;border-radius:9px;font-size:14px;color:#2a3c52}
.dropdown a:hover{background:rgba(22,104,227,.08);color:var(--brand)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{position:absolute;opacity:0;pointer-events:none}
.hamburger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;background:#fff}
.hamburger i{display:block;width:20px;height:2px;background:#22344a;border-radius:2px;transition:transform .25s,opacity .25s}
.hero{position:relative;padding:132px 0 76px;background:radial-gradient(900px 420px at 12% 0%,#e8f2ff 0%,rgba(246,249,253,0) 60%),radial-gradient(760px 380px at 92% 12%,#e6fbf7 0%,rgba(246,249,253,0) 62%),var(--bg);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:0 6px 18px rgba(16,45,90,.06);font-size:13px;font-weight:700;color:var(--brand)}
.hero h1{font-size:50px;line-height:1.18;margin:20px 0 16px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--brand),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:17px;color:var(--sub);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 30px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:520px}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;box-shadow:0 6px 18px rgba(16,45,90,.05)}
.stat b{display:block;font-size:24px;color:var(--brand);line-height:1.2}
.stat span{font-size:12.5px;color:var(--sub)}
.hero-visual{margin:0}
.hero-visual img{display:block;width:100%;height:auto;border-radius:24px}
.demo{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 60px rgba(16,45,90,.16);overflow:hidden;position:relative}
.demo input[type=checkbox]{position:absolute;opacity:0;width:0;height:0}
.demo-tabs{display:flex;align-items:center;gap:4px;background:#f1f5fb;padding:8px 10px 0;border-bottom:1px solid var(--line);overflow:hidden}
.demo-tabs .tab{font-size:12px;padding:8px 14px;border-radius:9px 9px 0 0;color:var(--sub);white-space:nowrap}
.demo-tabs .tab.on{background:#fff;color:var(--ink);font-weight:700;border:1px solid var(--line);border-bottom-color:#fff}
.demo-tabs .tab.add{color:#8fa3bb}
.demo-toolbar{display:flex;flex-wrap:wrap;gap:6px;padding:10px 12px;border-bottom:1px solid var(--line);background:#fbfdff}
.demo-toolbar label{font-size:12.5px;font-weight:700;color:#3c5069;background:#fff;border:1px solid var(--line);border-radius:8px;padding:5px 10px;cursor:pointer;user-select:none;transition:.2s;min-height:32px;display:inline-flex;align-items:center;gap:4px}
.demo-toolbar label:hover{border-color:#b9d2f4;color:var(--brand)}
#d-bold:checked~.demo-toolbar label[for=d-bold],#d-italic:checked~.demo-toolbar label[for=d-italic],#d-mark:checked~.demo-toolbar label[for=d-mark],#d-wide:checked~.demo-toolbar label[for=d-wide]{background:rgba(22,104,227,.1);border-color:var(--brand);color:var(--brand)}
.demo-doc{padding:24px 26px;min-height:318px;outline:none;font-size:13.5px;line-height:1.85;color:#26374c;background:#fff}
.demo-doc h4{font-size:18px;margin-bottom:6px}
.demo-doc .meta{font-size:11.5px;color:#8ba0b8;margin-bottom:12px;display:flex;gap:10px;flex-wrap:wrap}
.demo-doc p{margin-bottom:10px}
.demo-doc .tag{display:inline-block;font-size:11px;background:rgba(18,184,166,.12);color:#0b8d80;border-radius:6px;padding:1px 8px;margin-right:6px;font-weight:700}
#d-bold:checked~.demo-doc .sel{font-weight:800}
#d-italic:checked~.demo-doc .sel{font-style:italic}
#d-mark:checked~.demo-doc .sel{background:linear-gradient(transparent 58%,#ffe79a 58%)}
#d-wide:checked~.demo-doc .sel{line-height:2.35;letter-spacing:.6px}
.demo-status{display:flex;align-items:center;gap:14px;padding:9px 16px;background:#f7fafd;border-top:1px solid var(--line);font-size:11.5px;color:#7c90a8}
.demo-status .dot{width:7px;height:7px;border-radius:50%;background:#21c07a;display:inline-block;margin-right:5px}
.demo-status .right{margin-left:auto;display:flex;gap:14px}
.sec{padding:82px 0}
.sec.alt{background:var(--bg)}
.sec-head{max-width:720px;margin:0 auto 44px;text-align:center}
.sec-head .kicker{font-size:13px;font-weight:800;letter-spacing:2px;color:var(--teal);text-transform:uppercase}
.sec-head h2{font-size:34px;margin:10px 0 12px}
.sec-head p{color:var(--sub)}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 4px 14px rgba(16,45,90,.04);transition:transform .28s,box-shadow .28s,border-color .28s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#cfe0f6}
.card .ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;background:linear-gradient(135deg,#e8f2ff,#e5fbf7);margin-bottom:14px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--sub)}
.card ul{margin-top:12px;font-size:13.5px;color:#43566d;display:grid;gap:6px}
.card ul li::before{content:"✓";color:var(--teal);font-weight:800;margin-right:6px}
.feature-num{font-size:12px;font-weight:800;color:#a9bdd6;letter-spacing:1px}
.tpl-card{overflow:hidden;padding:0}
.tpl-card .thumb{height:132px;display:flex;align-items:center;justify-content:center;font-size:40px;background:linear-gradient(135deg,#eef6ff,#eafaf6);border-bottom:1px solid var(--line)}
.tpl-card .body{padding:18px 20px 22px}
.tpl-card h3{font-size:16px}
.badge{display:inline-block;font-size:12px;font-weight:700;color:#0b8d80;background:rgba(18,184,166,.12);border-radius:999px;padding:2px 10px;margin-bottom:8px}
.compat{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.compat div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;display:flex;align-items:center;gap:12px;font-size:14px;font-weight:600}
.compat span{font-size:22px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 20px;position:relative}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-16px;left:20px;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--teal));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px rgba(22,104,227,.28)}
.step h3{font-size:16px;margin:6px 0 6px}
.step p{font-size:13.5px;color:var(--sub)}
.scene{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;gap:14px;align-items:flex-start;transition:.25s}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.scene .si{flex:none;width:42px;height:42px;border-radius:12px;background:#eef5ff;display:flex;align-items:center;justify-content:center;font-size:20px}
.scene h3{font-size:16px;margin-bottom:4px}
.scene p{font-size:13.5px;color:var(--sub)}
.price{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px 26px;position:relative;display:flex;flex-direction:column}
.price.hot{border:2px solid var(--brand);box-shadow:0 22px 48px rgba(22,104,227,.16);transform:translateY(-6px)}
.price .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(120deg,var(--brand),var(--teal));color:#fff;font-size:12px;font-weight:700;padding:4px 16px;border-radius:999px;white-space:nowrap}
.price h3{font-size:18px}
.price .desc{font-size:13px;color:var(--sub);margin:4px 0 14px}
.price .num{font-size:38px;font-weight:800;color:var(--ink);line-height:1.1}
.price .num small{font-size:14px;font-weight:600;color:var(--sub)}
.price ul{margin:18px 0 22px;font-size:14px;color:#3c5069;display:grid;gap:9px}
.price ul li::before{content:"✓";color:var(--teal);font-weight:800;margin-right:7px}
.price .btn{margin-top:auto;width:100%}
.faq{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px;box-shadow:0 3px 12px rgba(16,45,90,.04)}
.faq summary{list-style:none;cursor:pointer;padding:18px 30px 18px 0;font-weight:700;font-size:15.5px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:14px;font-size:22px;color:var(--brand);font-weight:400;transition:transform .25s}
.faq details[open] summary::after{content:"–"}
.faq .ans{padding:0 0 20px;font-size:14.5px;color:var(--sub);border-top:1px dashed var(--line);margin-top:-2px;padding-top:14px}
.faq .ans b{color:#22344a}
.reviews{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 4px 14px rgba(16,45,90,.04)}
.review .stars{color:#f5a623;letter-spacing:2px;font-size:14px;margin-bottom:10px}
.review p{font-size:14.5px;color:#33465d}
.review .who{display:flex;align-items:center;gap:11px;margin-top:16px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#dbeafe,#d1faf2);color:var(--brand);font-weight:800;display:flex;align-items:center;justify-content:center;flex:none}
.review .who b{display:block;font-size:14px}
.review .who small{font-size:12px;color:var(--sub)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:.28s}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.news-card img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.news-card .nb{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-card .date{font-size:12px;color:#8ba0b8}
.news-card h3{font-size:16.5px;line-height:1.5}
.news-card p{font-size:13.5px;color:var(--sub)}
.news-card .more{margin-top:auto;font-size:13px;font-weight:700;color:var(--brand)}
.cta{background:linear-gradient(120deg,#0b3d8f,#1668e3 55%,#12b8a6);color:#fff;border-radius:24px;padding:56px 40px;text-align:center;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.09);right:-90px;top:-120px}
.cta h2{font-size:32px;margin-bottom:12px;position:relative}
.cta p{color:rgba(255,255,255,.86);margin-bottom:24px;position:relative}
.cta .btn{background:#fff;color:var(--brand);box-shadow:0 14px 30px rgba(0,0,0,.18);position:relative}
.site-footer{background:#0b1626;color:#c8d6e6;padding:60px 0 0;margin-top:82px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding-bottom:40px}
.site-footer .logo{color:#fff}
.site-footer .logo span small{color:#8fa6bd}
.site-footer p{font-size:13.5px;color:#93a8bf;margin-top:14px;max-width:320px}
.site-footer h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.site-footer ul{display:grid;gap:9px}
.site-footer ul a{font-size:13.5px;color:#a8bcd2}
.site-footer ul a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;font-size:12.5px;color:#8299b2}
.footer-bottom .fl{display:flex;gap:18px;flex-wrap:wrap}
.to-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 12px 24px rgba(22,104,227,.32);z-index:150;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;transform:translateY(10px)}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.page-hero{padding:126px 0 54px;background:radial-gradient(720px 320px at 15% 0%,#eaf3ff,rgba(246,249,253,0) 62%),var(--bg);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:40px;margin:12px 0 12px}
.page-hero p{color:var(--sub);max-width:700px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--sub)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:#a8bacd}
.dl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:8px}
.dl-card h3{font-size:19px}
.dl-card .ver{font-size:12.5px;color:#8ba0b8}
.dl-card ul{margin:8px 0 16px;font-size:13.5px;color:#41546b;display:grid;gap:7px}
.dl-card ul li::before{content:"✓";color:var(--teal);font-weight:800;margin-right:6px}
.dl-card .btn{margin-top:auto}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.req{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.req b{display:block;font-size:13px;color:#8ba0b8;font-weight:700;margin-bottom:4px}
.req span{font-size:14.5px;font-weight:600}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start;padding:40px 0 20px}
.article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:38px 42px;box-shadow:0 6px 20px rgba(16,45,90,.05)}
.article h1{font-size:32px;line-height:1.35;margin:14px 0 14px}
.article .meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:#8ba0b8;padding-bottom:18px;border-bottom:1px solid var(--line)}
.article .cover{border-radius:14px;margin:22px 0 8px;width:100%;height:auto}
.article .cap{font-size:12.5px;color:#8ba0b8;text-align:center;margin-bottom:22px}
.article-body{font-size:16px;color:#2a3a4e}
.article-body p{margin:0 0 20px}
.article-body h2{font-size:23px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--brand);line-height:1.45}
.article-body h2:target{background:linear-gradient(transparent 62%,#e8f2ff 62%)}
.article-body strong{color:var(--brand-d)}
.article-body blockquote{background:#f7fbff;border-left:4px solid var(--teal);border-radius:0 10px 10px 0;padding:16px 20px;margin:0 0 20px;font-size:15px;color:#33465d}
.article-body blockquote cite{display:block;margin-top:6px;font-size:13px;color:#7c90a8;font-style:normal}
.article-body figure{margin:8px 0 26px}
.article-body figure img{width:100%;border-radius:14px}
.article-body figcaption{font-size:12.5px;color:#8ba0b8;text-align:center;margin-top:8px}
.data-table{width:100%;border-collapse:collapse;margin:8px 0 24px;font-size:14px}
.data-table th,.data-table td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.data-table th{background:#f4f8fd;font-weight:700;color:#22344a}
.data-table td{color:#41546b}
.pager{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:34px 0 0;padding-top:22px;border-top:1px solid var(--line);font-size:14px;font-weight:600}
.pager a{color:var(--brand);max-width:48%}
.pager a:hover{text-decoration:underline}
.related{margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.related h3{font-size:17px;margin-bottom:14px}
.related ul{display:grid;gap:10px;font-size:14px}
.related a:hover{color:var(--brand)}
.comments{margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.comments h3{font-size:18px;margin-bottom:18px}
.comment{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line)}
.comment:last-child{border-bottom:0}
.comment .cbody{flex:1}
.comment .cbody .cmeta{font-size:12.5px;color:#8ba0b8;display:flex;gap:10px;align-items:center;margin-bottom:4px}
.comment .cbody .cmeta b{font-size:13.5px;color:#22344a}
.comment p{font-size:14px;color:#41546b}
.sidebar{position:sticky;top:92px;display:grid;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;box-shadow:0 4px 14px rgba(16,45,90,.05)}
.side-card h3{font-size:15px;margin-bottom:14px;padding-left:10px;border-left:3px solid var(--brand);line-height:1.4}
.toc{position:relative;padding-left:18px;display:grid;gap:12px}
.toc::before{content:"";position:absolute;left:4px;top:5px;bottom:5px;width:1px;background:var(--line)}
.toc a{position:relative;display:block;font-size:13.5px;color:#5d7189}
.toc a::before{content:"";position:absolute;left:-18px;top:7px;width:9px;height:9px;border-radius:50%;background:#fff;border:2px solid #c3d5ea}
.toc a.active{color:var(--brand);font-weight:700}
.toc a.active::before{border-color:var(--brand);background:var(--brand)}
.hot{display:grid;gap:12px}
.hot a{display:flex;gap:10px;font-size:13.5px;color:#33465d;line-height:1.55}
.hot .rk{flex:none;width:21px;height:21px;border-radius:6px;background:#eef2f8;color:#8194a9;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center}
.hot a:nth-child(1) .rk{background:linear-gradient(135deg,#1668e3,#3a8ff5);color:#fff}
.hot a:nth-child(2) .rk{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#fff}
.hot a:nth-child(3) .rk{background:linear-gradient(135deg,#d9b45b,#f0d795);color:#7a5a10}
.hot a:hover{color:var(--brand)}
.hot a:hover .rk{transform:scale(1.08);transition:.2s}
.cats{display:flex;flex-wrap:wrap;gap:8px}
.cats a{font-size:12.5px;padding:5px 12px;border-radius:999px;background:#f4f8fd;border:1px solid var(--line);color:#5d7189}
.cats a:hover{border-color:var(--brand);color:var(--brand);background:#fff}
.map-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.map-grid .card h2{font-size:17px;margin-bottom:12px}
.map-grid .card ul{display:grid;gap:8px;font-size:14px}
.map-grid .card ul a{color:#41546b}
.map-grid .card ul a:hover{color:var(--brand)}
.policy{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px 38px;max-width:920px;margin:0 auto}
.policy h2{font-size:20px;margin:26px 0 10px;padding-left:12px;border-left:4px solid var(--brand)}
.policy p,.policy li{font-size:15px;color:#41546b}
.policy ul{margin:0 0 16px;display:grid;gap:7px}
.policy ul li::before{content:"·";color:var(--brand);font-weight:800;margin-right:7px}
.notice{background:#f7fbff;border:1px solid #d9e8fb;border-radius:12px;padding:14px 18px;font-size:13.5px;color:#4a6382;margin:18px 0}
.article-body .notice{font-size:14px}
.err-wrap{padding:150px 0 90px;text-align:center;background:radial-gradient(620px 300px at 50% 0%,#eaf3ff,rgba(246,249,253,0) 70%),var(--bg);min-height:70vh}
.err-wrap .code{font-size:118px;font-weight:800;line-height:1;background:linear-gradient(120deg,var(--brand),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:2px}
.err-wrap h1{font-size:28px;margin:14px 0 10px}
.err-wrap p{color:var(--sub);margin-bottom:24px}
.err-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
html.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
html.js .reveal.in{opacity:1;transform:none}
@media (max-width:992px){
.nav-toggle:checked~.nav-menu{display:flex}
.hamburger{display:flex}
.nav-menu{position:fixed;top:70px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;padding:12px 18px 22px;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(16,45,90,.12);max-height:calc(100vh - 70px);overflow:auto}
.nav-menu>li{border-bottom:1px solid #f0f5fb}
.nav-menu>li>a,.nav-menu>li>details>summary{padding:14px 4px;border-radius:0}
.dropdown{position:static;display:block;box-shadow:none;border:0;padding:0 0 10px 10px;min-width:0}
.nav-actions .btn{display:none}
.hero{padding:112px 0 60px}
.hero-grid{grid-template-columns:1fr;gap:38px}
.hero h1{font-size:38px}
.hero .lead{max-width:none}
.demo{max-width:620px;margin:0 auto;width:100%}
.article-wrap{grid-template-columns:1fr;gap:26px}
.sidebar{position:static}
.article{padding:28px 26px}
.article h1{font-size:27px}
.g4,.g3,.steps,.news-grid,.req-grid,.compat{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.price.hot{transform:none}
}
@media (max-width:768px){
.container{padding:0 18px}
.hero h1{font-size:31px}
.hero .lead{font-size:15.5px}
.stats{grid-template-columns:repeat(3,1fr);gap:8px}
.stat{padding:10px 12px}
.stat b{font-size:19px}
.stat span{font-size:11px}
.sec{padding:58px 0}
.sec-head h2{font-size:26px}
.page-hero{padding:108px 0 38px}
.page-hero h1{font-size:29px}
.g3,.g4,.g2,.reviews,.dl-grid,.steps,.news-grid,.req-grid,.compat,.map-grid{grid-template-columns:1fr}
.grid{gap:16px}
.card{padding:22px}
.cta{padding:38px 22px;border-radius:18px}
.cta h2{font-size:24px}
.reviews{gap:16px}
.article{padding:22px 18px;border-radius:14px}
.article h1{font-size:23px}
.article-body{font-size:15.5px}
.article-body h2{font-size:20px}
.article .meta{gap:10px;font-size:12px}
.footer-grid{grid-template-columns:1fr;gap:26px}
.site-footer{margin-top:58px}
.data-table{font-size:12.5px;display:block;overflow-x:auto;white-space:nowrap}
.demo-doc{padding:18px;min-height:280px}
.demo-tabs .tab{font-size:11px;padding:7px 10px}
.err-wrap .code{font-size:88px}
}
@media (max-width:480px){
.hero{padding-top:100px}
.hero h1{font-size:27px;letter-spacing:0}
.hero-actions{flex-direction:column;align-items:stretch}
.hero-actions .btn{width:100%}
.stats{grid-template-columns:1fr;gap:8px}
.stat{display:flex;align-items:center;justify-content:space-between}
.stat b{font-size:20px}
.sec-head h2{font-size:22px}
.demo-toolbar label{font-size:11.5px;padding:4px 8px}
.demo-tabs .tab.add{display:none}
.cta{padding:30px 16px}
.btn{min-height:46px}
.pager{flex-direction:column}
.pager a{max-width:100%}
.to-top{right:14px;bottom:14px}
}