:root{--ink:#0a1424;--ink2:#0f2138;--ink3:#132a46;--gold:#e2a03f;--goldl:#f7cd7a;--goldb:#fff4e0;--teal:#26b6a4;--red:#df4049;--blue:#2f80ed;--text:#16202f;--muted:#5f6f85;--line:#e6eaf1;--bg:#f7f8fb;--white:#fff;--shadow:0 10px 30px rgba(12,26,46,.08);--shadow2:0 18px 44px rgba(12,26,46,.16);--radius:16px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:var(--white);line-height:1.7;font-size:16px;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.2px}
p{margin:0 0 18px}
button,input,select{font:inherit}
.wrap{width:min(1180px,92%);margin:0 auto}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:12px}
.sec{padding:78px 0}
.sec-alt{background:var(--bg)}
.sec-dark{background:linear-gradient(160deg,#0a1424,#102541 60%,#0c1b2f);color:#eaf0f8}
.sec-head{max-width:760px;margin:0 auto 44px;text-align:center}
.sec-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.sec-head p{color:var(--muted);margin:0}
.sec-dark .sec-head p{color:#a9bad2}
.center{text-align:center}
.js .reveal{opacity:0;transform:translateY(18px)}
.js .reveal.in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s ease}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 26px;border-radius:999px;font-weight:700;font-size:15px;cursor:pointer;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s;line-height:1.2}
.btn:hover{transform:translateY(-2px)}
.btn-solid{background:linear-gradient(135deg,var(--gold),#f0b95f);color:#241703;box-shadow:0 10px 24px rgba(226,160,63,.32)}
.btn-solid:hover{box-shadow:0 14px 30px rgba(226,160,63,.45)}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-line{border-color:var(--line);color:var(--text);background:#fff}
.btn-line:hover{border-color:var(--gold);color:#8a5a0c}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.site-nav{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(9,18,32,.9);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.07);transition:background .3s,box-shadow .3s}
.site-nav.scrolled{background:rgba(6,13,24,.97);box-shadow:0 8px 24px rgba(0,0,0,.28)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:18px}
.brand{display:flex;align-items:center;color:#fff;font-weight:800;font-size:18px;letter-spacing:.5px;flex:0 0 auto}
.brand img{width:32px;height:32px;border-radius:8px;background:#fff;margin-right:10px}
.brand span{color:var(--gold)}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:6px;height:68px;padding:0 14px;color:#dbe5f2;font-size:15px;font-weight:500;cursor:pointer}
.nav-link:hover{color:var(--goldl)}
.arrow{font-size:11px;transition:transform .25s;color:var(--gold)}
.nav-item:hover .arrow,.nav-item:focus-within .arrow{transform:rotate(180deg)}
.nav-drop{position:absolute;top:68px;left:0;min-width:220px;background:#fff;border-radius:12px;box-shadow:var(--shadow2);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:.22s;z-index:5}
.nav-item:hover .nav-drop,.nav-item:focus-within .nav-drop{opacity:1;visibility:visible;transform:none}
.nav-drop a{display:block;padding:9px 12px;border-radius:8px;color:#233247;font-size:14px}
.nav-drop a:hover{background:var(--goldb);color:#8a5a0c}
.sub-check,.nav-check{display:none}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:10px}
.nav-cta .btn{min-height:40px;padding:9px 20px;font-size:14px}
.nav-item-dl{display:none}
.hamburger{display:none;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;border:1px solid rgba(255,255,255,.2);border-radius:10px}
.hamburger i{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:.25s}
.hero{position:relative;padding:132px 0 72px;background:radial-gradient(900px 480px at 82% 0%,rgba(226,160,63,.16),transparent 60%),radial-gradient(700px 420px at 8% 30%,rgba(38,182,164,.12),transparent 60%),linear-gradient(165deg,#08111f,#0d1d33 55%,#0a1626);color:#fff;overflow:hidden}
.hero:after{content:"";position:absolute;inset:auto 0 0;height:1px;background:linear-gradient(90deg,transparent,rgba(226,160,63,.5),transparent)}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(30px,4.2vw,52px);margin:0 0 18px;letter-spacing:-.6px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--goldl),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{color:#b9c8dd;font-size:17px;max-width:560px;margin-bottom:26px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:540px}
.hero-stats b{display:block;font-size:clamp(20px,2.4vw,28px);color:var(--goldl);line-height:1.2}
.hero-stats span{font-size:13px;color:#9db0ca}
.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;border:1px solid rgba(226,160,63,.45);background:rgba(226,160,63,.1);color:var(--goldl);font-size:13px;font-weight:600;margin-bottom:18px}
.demo-card{background:linear-gradient(180deg,#0e2036,#0a1728);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:16px;box-shadow:0 26px 60px rgba(0,0,0,.42)}
.demo-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.demo-title{font-size:14px;font-weight:700;color:#e8f0fa;display:flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(38,182,164,.15)}
.demo-live{font-size:11px;color:var(--teal);letter-spacing:1px}
.demo-panel{display:block}
.draw-meta{display:flex;justify-content:space-between;font-size:12px;color:#9db0ca;margin-bottom:8px}
.balls{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;row-gap:24px;margin-bottom:22px}
.ball-label{position:relative;display:flex;align-items:center;justify-content:center;aspect-ratio:1/1;border-radius:50%;font-weight:800;font-size:13px;color:#fff;background:linear-gradient(160deg,#e6555e,#c22c37);box-shadow:inset 0 -2px 6px rgba(0,0,0,.25)}
.ball-label::after{content:attr(data-z);position:absolute;left:0;right:0;top:calc(100% + 4px);text-align:center;font-size:11px;line-height:1.2;font-weight:600;color:#93a7c4}
.ball-label.w-red{background:linear-gradient(160deg,#e6555e,#c22c37)}
.ball-label.w-blue{background:linear-gradient(160deg,#4a96f2,#2563c9)}
.ball-label.w-green{background:linear-gradient(160deg,#35a86b,#177a48)}
.ball-label.b{box-shadow:inset 0 -2px 6px rgba(0,0,0,.25),0 0 0 2px rgba(212,175,55,.6)}
.odds-list{border:1px solid rgba(255,255,255,.1);border-radius:10px;background:#081320;overflow:hidden;margin-bottom:10px}
.odds-row{display:grid;grid-template-columns:1fr 1fr 1fr 1.25fr;gap:4px;align-items:center;padding:6px 12px;font-size:12px;color:#b9c8dd;border-bottom:1px dashed rgba(255,255,255,.08)}
.odds-row:last-child{border:0}
.odds-head{font-size:11px;color:#7f93ad;background:rgba(255,255,255,.03)}
.odds-row b{font-weight:700;color:#e8f0fa}
.odds-row .ol-pos{text-align:right;color:#cbb37f}
.odds-row:last-child .ol-pos{color:var(--goldl)}
.wv{font-weight:700}
.wv-red{color:#ff8b93}
.wv-blue{color:#7db3ff}
.wv-green{color:#5fd39b}

.stat-band{padding:34px 0;background:var(--bg);border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-item{text-align:center}
.stat-item b{display:block;font-size:clamp(22px,2.6vw,32px);color:#8a5a0c;line-height:1.2}
.stat-item span{font-size:14px;color:var(--muted)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow2);border-color:#f2dcb4}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14px;margin:0}
.ico{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;font-size:22px;background:var(--goldb);margin-bottom:14px}
.ico.teal{background:#e6f8f5}
.ico.blue{background:#e9f2ff}
.scenario-card{position:relative;padding-left:26px}
.scenario-card:before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:4px;border-radius:4px;background:linear-gradient(180deg,var(--gold),#f3d49a)}
.view-item{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:20px}
.view-item h3{font-size:17px;margin-bottom:6px;color:#fff}
.view-item p{color:#a9bad2;font-size:14px;margin:0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split h2{font-size:clamp(24px,3vw,32px);margin-bottom:16px}
.split p{color:var(--muted)}
.check-list li{position:relative;padding-left:28px;margin-bottom:10px;color:#33445c;font-size:15px}
.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:#0f9d8c;font-weight:800}
.figure{border-radius:18px;overflow:hidden;box-shadow:var(--shadow2);border:1px solid var(--line)}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.price-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 24px;display:flex;flex-direction:column}
.price-card.featured{background:linear-gradient(175deg,#0d1d33,#12304f);border-color:#d9a44a;color:#eaf0f8;box-shadow:0 24px 50px rgba(13,29,51,.28);transform:translateY(-6px)}
.price-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--gold),#f0b95f);color:#241703;font-size:12px;font-weight:800;padding:5px 14px;border-radius:999px;white-space:nowrap}
.price-card h3{font-size:18px;margin-bottom:6px}
.price-num{font-size:38px;font-weight:800;line-height:1.1;margin:10px 0 4px}
.price-num small{font-size:14px;font-weight:600;color:var(--muted)}
.price-card.featured .price-num small{color:#a9bad2}
.price-desc{font-size:13px;color:var(--muted);margin-bottom:18px}
.price-card.featured .price-desc{color:#a9bad2}
.price-list{margin:0 0 24px;flex:1}
.price-list li{font-size:14px;padding:7px 0;border-bottom:1px dashed var(--line);color:#33445c}
.price-card.featured .price-list li{border-color:rgba(255,255,255,.14);color:#cfdbeb}
.price-card .btn{width:100%}
.faq{max-width:860px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;padding:0 20px;transition:box-shadow .25s,border-color .25s}
.faq details[open]{border-color:#f0d7a8;box-shadow:var(--shadow)}
.faq summary{list-style:none;cursor:pointer;padding:18px 34px 18px 0;font-weight:700;font-size:15px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:before{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:22px;color:var(--gold);transition:.2s}
.faq details[open] summary:before{content:"−"}
.faq .faq-body{padding:0 0 18px;color:var(--muted);font-size:14px;line-height:1.9}
.tst-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.stars{color:#e8a33d;letter-spacing:2px;font-size:14px;margin-bottom:10px}
.tst-card p{font-size:14px;color:#33445c;margin-bottom:14px}
.tst-user{display:flex;align-items:center;gap:10px;border-top:1px dashed var(--line);padding-top:12px}
.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#f6d9a6,#e2a03f);color:#4a3006;font-weight:800;font-size:15px;flex:0 0 auto}
.tst-user b{display:block;font-size:14px}
.tst-user span{font-size:12px;color:var(--muted)}
.news-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow2)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.news-meta{font-size:12px;color:var(--muted);margin-bottom:8px;display:flex;gap:10px;flex-wrap:wrap}
.news-card h3{font-size:16px;line-height:1.55;margin-bottom:8px}
.news-card p{font-size:13px;color:var(--muted);margin:0 0 12px;flex:1}
.more{color:#8a5a0c;font-weight:700;font-size:13px}
.cta-band{background:radial-gradient(700px 300px at 20% 0%,rgba(226,160,63,.25),transparent 65%),linear-gradient(120deg,#0b1a2d,#123355);color:#fff;border-radius:22px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,3vw,32px);margin-bottom:8px}
.cta-band p{color:#b9c8dd;margin:0}
.site-footer{background:#081220;color:#a9bad2;padding:56px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.foot-brand .brand{margin-bottom:12px}
.foot-brand p{font-size:13px;color:#8ea3bf;max-width:320px}
.foot-col h3{color:#fff;font-size:15px;margin-bottom:14px}
.foot-col a{display:block;font-size:13px;padding:5px 0;color:#a9bad2}
.foot-col a:hover{color:var(--goldl)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:#8ea3bf}
.foot-bottom a:hover{color:var(--goldl)}
.disclaimer{font-size:12px;color:#8ea3bf;border-top:1px solid rgba(255,255,255,.08);padding:16px 0 0;margin-top:0}
.page-head{padding:120px 0 46px;background:radial-gradient(700px 320px at 80% 0%,rgba(226,160,63,.18),transparent 60%),linear-gradient(160deg,#0a1424,#11253e);color:#fff}
.page-head h1{font-size:clamp(26px,3.6vw,40px);margin-bottom:10px}
.page-head p{color:#b9c8dd;margin:0;max-width:760px}
.crumb{font-size:13px;color:#9db0ca;margin-bottom:14px}
.crumb a:hover{color:var(--goldl)}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;padding:44px 0 70px}
.article-main{min-width:0}
.article-head h1{font-size:clamp(23px,2.9vw,34px);margin-bottom:14px}
.article-meta{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:18px}
.article-cover{width:100%;border-radius:16px;margin-bottom:26px;box-shadow:var(--shadow)}
.prose{font-size:16px;color:#26364c;line-height:1.95}
.prose p{margin:0 0 20px}
.prose h2{font-size:22px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--gold);scroll-margin-top:88px}
.prose h3{font-size:18px;margin:24px 0 10px}
.prose strong{color:#0f2138}
.prose blockquote{margin:24px 0;padding:18px 22px;background:var(--goldb);border-radius:12px;border-left:4px solid var(--gold);color:#5c4217;font-size:15px}
.prose ul{margin:0 0 20px;padding-left:0}
.prose ul li{position:relative;padding-left:22px;margin-bottom:8px}
.prose ul li:before{content:"•";position:absolute;left:6px;color:var(--gold);font-weight:800}
.data-table{width:100%;border-collapse:collapse;margin:18px 0 24px;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.data-table th,.data-table td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left}
.data-table th{background:#fbfcfe;color:#33445c;font-weight:700}
.data-table tr:last-child td{border:0}
.article-fig{margin:24px 0;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.article-fig figcaption{font-size:12px;color:var(--muted);padding:10px 14px;background:#fbfcfe}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0}
.tag{font-size:12px;padding:5px 12px;border-radius:999px;background:#f1f4f9;color:#4a5b72}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0}
.pn{display:block;border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:14px;background:#fff}
.pn span{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.pn:hover{border-color:#f0d7a8;box-shadow:var(--shadow)}
.pn.next{text-align:right}
.sidebar{position:sticky;top:88px;display:flex;flex-direction:column;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 6px 18px rgba(12,26,46,.05)}
.side-card h3{font-size:15px;margin-bottom:14px;padding-left:10px;border-left:3px solid var(--gold);line-height:1.2}
.toc{position:relative;padding-left:18px}
.toc:before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:#eef1f6}
.toc a{display:block;position:relative;font-size:13px;color:#4a5b72;padding:6px 0;line-height:1.5}
.toc a:before{content:"";position:absolute;left:-18px;top:14px;width:8px;height:8px;border-radius:50%;background:#dfe5ee;border:2px solid #fff}
.toc a.active{color:#8a5a0c;font-weight:700}
.toc a.active:before{background:var(--gold);box-shadow:0 0 0 3px var(--goldb)}
.hot-list li{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px dashed var(--line)}
.hot-list li:last-child{border:0}
.hot-num{width:22px;height:22px;flex:0 0 auto;border-radius:6px;display:grid;place-items:center;font-size:12px;font-weight:800;background:#eef1f6;color:#6b7c93;transition:.2s}
.hot-list li:nth-child(1) .hot-num{background:linear-gradient(135deg,#e2a03f,#f7cd7a);color:#3d2803}
.hot-list li:nth-child(2) .hot-num{background:linear-gradient(135deg,#f08a3c,#fbc48a);color:#3d2403}
.hot-list li:nth-child(3) .hot-num{background:linear-gradient(135deg,#c9a227,#ecd98a);color:#3d3203}
.hot-list li:hover .hot-num{transform:scale(1.12)}
.hot-list a{font-size:13px;color:#33445c;line-height:1.6}
.hot-list a:hover{color:#8a5a0c}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px}
.cat-tags a{font-size:12px;padding:5px 11px;border:1px solid var(--line);border-radius:999px;color:#4a5b72}
.cat-tags a:hover{border-color:var(--gold);color:#8a5a0c;background:var(--goldb)}
.comments{margin-top:34px;border-top:1px solid var(--line);padding-top:26px}
.comments h2{font-size:20px;margin-bottom:18px;padding-left:12px;border-left:4px solid var(--gold)}
.comment{display:flex;gap:12px;padding:16px 0;border-bottom:1px dashed var(--line)}
.comment:last-child{border:0}
.comment-body{flex:1;min-width:0}
.comment-top{display:flex;justify-content:space-between;gap:10px;font-size:13px;margin-bottom:3px}
.comment-top b{color:#0f2138}
.comment-top span{color:var(--muted);font-size:12px}
.comment p{font-size:14px;color:#3c4d64;margin:0}
.related{margin-top:34px}
.related h2{font-size:20px;margin-bottom:18px;padding-left:12px;border-left:4px solid var(--gold)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sitemap-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.sitemap-card h2{font-size:17px;margin-bottom:12px;padding-left:10px;border-left:3px solid var(--gold)}
.sitemap-card li{padding:6px 0;font-size:14px;color:#4a5b72;border-bottom:1px dashed var(--line)}
.sitemap-card li:last-child{border:0}
.sitemap-card a:hover{color:#8a5a0c}
.download-hero{padding:126px 0 60px;background:radial-gradient(800px 400px at 80% 0%,rgba(226,160,63,.18),transparent 60%),linear-gradient(160deg,#08111f,#102541);color:#fff}
.dl-meta{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:#b9c8dd;margin-top:20px}
.dl-meta b{color:var(--goldl)}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:10px}
.dl-card h3{font-size:19px}
.dl-ver{font-size:12px;color:var(--muted)}
.dl-card ul{margin:6px 0 12px}
.dl-card li{font-size:13px;color:#4a5b72;padding:4px 0;position:relative;padding-left:18px}
.dl-card li:before{content:"✓";position:absolute;left:0;color:#0f9d8c;font-weight:800}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.step b{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--goldb);color:#8a5a0c;font-size:14px;margin-bottom:10px}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:13px;color:var(--muted);margin:0}
.specs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.spec{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.spec dt{font-size:12px;color:var(--muted);margin-bottom:4px}
.spec dd{margin:0;font-size:15px;font-weight:700;color:#16202f}
.notice{background:var(--goldb);border:1px solid #f3ddb4;border-radius:12px;padding:16px 18px;font-size:14px;color:#6b4a12;margin:22px 0}
.back-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;background:#0f2138;color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px rgba(9,18,32,.3);z-index:50;font-size:18px;opacity:0;visibility:hidden;transition:.25s}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:#8a5a0c}
.err-wrap{padding:150px 0 90px;text-align:center}
.err-code{font-size:clamp(72px,14vw,140px);font-weight:800;line-height:1;background:linear-gradient(120deg,#e2a03f,#f7cd7a);-webkit-background-clip:text;background-clip:text;color:transparent}
@media (max-width:992px){
.hero{padding:112px 0 60px}
.hero-grid,.split{grid-template-columns:1fr;gap:32px}
.hero-stats{max-width:none}
.grid-4{grid-template-columns:repeat(2,1fr)}
.grid-3,.price-grid,.steps,.specs,.sitemap-grid{grid-template-columns:repeat(2,1fr)}
.price-card.featured{transform:none}
.article-wrap{grid-template-columns:1fr;gap:26px}
.sidebar{position:static;flex-direction:column}
.foot-grid{grid-template-columns:1fr 1fr}
.nav-menu{position:fixed;top:68px;left:0;right:0;display:block;background:#0a1728;padding:0 5%;max-height:0;overflow:hidden;transition:max-height .35s ease;border-bottom:1px solid rgba(255,255,255,.08);margin:0}
#navCheck:checked~.nav-menu{max-height:78vh;overflow:auto;padding-top:8px;padding-bottom:16px}
.hamburger{display:flex}
.nav-cta{display:none}
.nav-item{border-bottom:1px solid rgba(255,255,255,.07)}
.nav-item-dl{display:block}
.nav-link{height:auto;padding:14px 0;justify-content:space-between}
.nav-drop{position:static;display:none;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,.04);border-radius:10px;margin-bottom:10px;padding:4px}
.sub-check:checked~.nav-drop{display:block}
.nav-drop a{color:#cfdbeb}
.nav-drop a:hover{background:rgba(226,160,63,.16);color:var(--goldl)}
.sec{padding:58px 0}
.sec-head{margin-bottom:30px}
.cta-band{padding:34px 26px}
}
@media (max-width:768px){
.grid-4,.grid-3,.grid-2,.price-grid,.steps,.specs,.hero-stats,.related-grid,.prev-next,.sitemap-grid{grid-template-columns:1fr}
.stat-grid{grid-template-columns:repeat(2,1fr);gap:22px}
.sec{padding:50px 0}
.balls{grid-template-columns:repeat(7,1fr);gap:4px;row-gap:22px}
.ball-label{font-size:11px}
.ball-label::after{font-size:10px;top:calc(100% + 3px)}
.article-wrap{padding:32px 0 50px}
.prose{font-size:15px}
.data-table{display:block;overflow-x:auto;white-space:nowrap}
.foot-grid{grid-template-columns:1fr;gap:24px}
.foot-bottom{flex-direction:column;align-items:flex-start}
.cta-band h2{font-size:22px}
.page-head{padding:104px 0 36px}
.article-fig img{width:100%}
}
@media (max-width:480px){
body{font-size:15px}
.hero{padding:100px 0 46px}
.hero h1{font-size:28px}
.hero .lead{font-size:15px}
.hero-btns .btn{width:100%}
.hero-stats{gap:8px}
.hero-stats b{font-size:19px}
.hero-stats span{font-size:11px}
.demo-card{padding:12px}
.balls{gap:3px;row-gap:19px}
.ball-label{font-size:10px}
.ball-label::after{font-size:9px;top:calc(100% + 2px)}
.grid-4,.grid-3{grid-template-columns:1fr}
.card{padding:20px}
.price-card{padding:26px 20px}
.cta-band{padding:26px 18px}
.btn{width:100%}
.btn-sm{width:auto}
.article-meta{font-size:12px;gap:8px}
.prose h2{font-size:19px}
.prose blockquote{padding:14px 16px;font-size:14px}
.comments h2,.related h2{font-size:18px}
.back-top{right:14px;bottom:14px;width:42px;height:42px}
.stat-grid{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*{animation-duration:.001ms!important;transition-duration:.001ms!important}
.js .reveal{opacity:1;transform:none}
}
.js .demo-panel.p1 .balls,.js .demo-panel.p1 .odds-list{visibility:hidden}
.demo-panel.p1.demo-ready .balls,.demo-panel.p1.demo-ready .odds-list{visibility:visible}