:root{--b:#0E7AFF;--t:#00C9A7;--d:#0A2540;--d2:#0E3257;--g:linear-gradient(135deg,#0E7AFF,#00C9A7);--tx:#16293F;--mt:#5B7085;--bg:#F4F8FC;--bd:#E4ECF5;--or:#FF8A00;--gold:#FFB400}
*{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(--tx);background:#fff;line-height:1.75;overflow-x:hidden}
img{max-width:100%;display:block;border:0}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
input,button{font-family:inherit;border:0;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.sec{padding:86px 0}
.sec-alt{background:var(--bg)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.sec-head .kicker{display:inline-block;padding:5px 16px;border-radius:999px;background:rgba(14,122,255,.08);color:var(--b);font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:14px}
.sec-head h2{font-size:34px;line-height:1.35;color:var(--d)}
.sec-head p{color:var(--mt);margin-top:12px;font-size:15px}
.grad-text{background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;transition:.3s;border:0}
.btn-gradient{background:var(--g);color:#fff;box-shadow:0 8px 22px rgba(14,122,255,.35)}
.btn-gradient:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(14,122,255,.45)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-line{background:#fff;color:var(--b);border:1px solid var(--bd);box-shadow:0 4px 14px rgba(10,37,64,.06)}
.btn-line:hover{border-color:var(--b);color:var(--b)}
.btn-big{padding:16px 42px;font-size:17px}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;transition:.35s;padding:14px 0}
.nav.scrolled{background:rgba(10,37,64,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 6px 24px rgba(10,37,64,.25);padding:8px 0}
.nav-inner{max-width:1240px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px}
.brand img{width:34px;height:34px;border-radius:8px}
.brand b{letter-spacing:.5px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{display:flex;align-items:center;gap:6px;color:rgba(255,255,255,.88);font-size:15px;font-weight:500;padding:9px 15px;border-radius:8px;cursor:pointer;background:none;transition:.25s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-link .arrow{font-size:11px;transition:.3s;display:inline-block}
.nav-group{position:relative}
.nav-group:hover .arrow{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(10px);background:#fff;border-radius:14px;box-shadow:0 18px 48px rgba(10,37,64,.18);padding:10px;min-width:190px;opacity:0;visibility:hidden;transition:.28s}
.nav-group:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown a{display:block;padding:9px 16px;border-radius:9px;color:var(--tx);font-size:14px;transition:.2s;white-space:nowrap}
.dropdown a:hover{background:rgba(14,122,255,.08);color:var(--b)}
.nav-cta{margin-left:6px}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.hamburger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hero{position:relative;background:radial-gradient(1100px 560px at 82% -12%,rgba(14,122,255,.28),transparent 62%),radial-gradient(820px 480px at 8% 112%,rgba(0,201,167,.2),transparent 60%),var(--d);color:#fff;padding:158px 0 96px;overflow:hidden}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:120px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120'%3E%3Cpath fill='%23ffffff' d='M0,64 C240,120 480,0 720,32 C960,64 1200,120 1440,56 L1440,120 L0,120 Z'/%3E%3C/svg%3E") center/cover no-repeat}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.04fr .96fr;gap:52px;align-items:center;position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(0,201,167,.14);border:1px solid rgba(0,201,167,.4);color:#7DF3DD;padding:7px 18px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:22px}
.hero h1{font-size:44px;line-height:1.3;font-weight:800;letter-spacing:.5px}
.hero-sub{margin-top:20px;color:rgba(255,255,255,.78);font-size:16.5px;max-width:540px}
.hero-btns{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap}
.hero-stats{display:flex;gap:44px;margin-top:46px;flex-wrap:wrap}
.hero-stat b{display:block;font-size:30px;font-weight:800;background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stat span{color:rgba(255,255,255,.62);font-size:13px}
.demo-card{background:#fff;border-radius:20px;box-shadow:0 30px 70px rgba(0,0,0,.35);overflow:hidden;border:1px solid rgba(255,255,255,.14)}
.demo-top{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--d2);gap:10px}
.demo-tabs{display:flex;gap:8px;flex-wrap:wrap}
.demo-tab{background:rgba(255,255,255,.08);color:rgba(255,255,255,.75);padding:7px 14px;border-radius:8px;font-size:13px;cursor:pointer;transition:.25s}
.demo-tab.active{background:var(--g);color:#fff;box-shadow:0 4px 12px rgba(14,122,255,.4)}
.demo-online{display:flex;align-items:center;gap:6px;color:#7DF3DD;font-size:12.5px;white-space:nowrap}
.demo-online i{width:8px;height:8px;border-radius:50%;background:#00E59B;animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.demo-body{padding:18px 16px 8px;height:300px;overflow-y:auto;background:#F3F7FB}
.demo-body::-webkit-scrollbar{width:5px}
.demo-body::-webkit-scrollbar-thumb{background:#CBD9E8;border-radius:99px}
.msg{display:flex;gap:9px;margin-bottom:13px;animation:msgIn .35s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.msg .av{width:32px;height:32px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;background:var(--d2)}
.msg.me .av{background:var(--g)}
.msg .bub{max-width:78%;padding:9px 14px;border-radius:4px 14px 14px 14px;background:#fff;box-shadow:0 2px 8px rgba(10,37,64,.07);font-size:13.5px;color:var(--tx)}
.msg.me{flex-direction:row-reverse}
.msg.me .bub{background:linear-gradient(135deg,#0E7AFF,#00B5A0);color:#fff;border-radius:14px 4px 14px 14px}
.demo-quick{display:flex;gap:8px;padding:10px 14px;flex-wrap:wrap;background:#fff;border-top:1px solid var(--bd)}
.qchip{font-size:12px;color:var(--b);background:rgba(14,122,255,.07);border:1px solid rgba(14,122,255,.25);padding:5px 12px;border-radius:999px;cursor:pointer;transition:.2s}
.qchip:hover{background:var(--b);color:#fff}
.demo-send{display:flex;gap:8px;padding:12px 14px;background:#fff;border-top:1px solid var(--bd)}
.demo-send input{flex:1;border:1px solid var(--bd);border-radius:10px;padding:9px 13px;font-size:13.5px;background:var(--bg)}
.demo-send input:focus{border-color:var(--b)}
.demo-btn{padding:9px 16px;border-radius:10px;font-size:13.5px;font-weight:600;cursor:pointer;transition:.25s}
.demo-send .demo-send-btn{background:var(--g);color:#fff}
.demo-send .demo-tr{background:#fff;border:1px solid var(--bd);color:var(--mt)}
.demo-send .demo-tr:hover{border-color:var(--b);color:var(--b)}
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.mcard{background:#fff;border:1px solid var(--bd);border-radius:16px;padding:20px;transition:.3s;box-shadow:0 4px 16px rgba(10,37,64,.05);position:relative;overflow:hidden}
.mcard:hover{transform:translateY(-6px);box-shadow:0 16px 34px rgba(10,37,64,.12);border-color:rgba(14,122,255,.35)}
.mcard::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--g);opacity:0;transition:.3s}
.mcard:hover::before{opacity:1}
.mcard .mc-top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.mcard .mc-av{width:40px;height:40px;border-radius:12px;background:var(--g);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.mcard .mc-name{font-weight:700;font-size:15px;color:var(--d)}
.mcard .mc-dot{margin-left:auto;width:9px;height:9px;border-radius:50%;background:#00C96B;box-shadow:0 0 0 4px rgba(0,201,107,.15)}
.mcard .mc-msg{background:var(--bg);border-radius:10px;padding:10px 13px;font-size:13px;color:var(--mt)}
.mcard .mc-num{display:flex;gap:16px;margin-top:12px;font-size:12.5px;color:var(--mt)}
.mcard .mc-num b{color:var(--b);font-size:15px}
.matrix-note{text-align:center;color:var(--mt);font-size:14.5px;margin-top:26px}
.matrix-note b{color:var(--b)}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.fcard{background:#fff;border:1px solid var(--bd);border-radius:16px;padding:26px 22px;transition:.3s;box-shadow:0 4px 16px rgba(10,37,64,.04)}
.fcard:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(10,37,64,.11);border-color:rgba(14,122,255,.4)}
.fcard .fic{width:52px;height:52px;border-radius:14px;background:var(--g);color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px;box-shadow:0 8px 18px rgba(14,122,255,.25)}
.fcard h3{font-size:17.5px;color:var(--d);margin-bottom:8px}
.fcard p{font-size:13.8px;color:var(--mt)}
.flow{display:flex;align-items:stretch;gap:0;margin-top:44px;flex-wrap:wrap;justify-content:center}
.fstep{flex:1;min-width:170px;max-width:220px;background:#fff;border:1px solid var(--bd);border-radius:16px;padding:26px 18px;text-align:center;position:relative;transition:.3s;box-shadow:0 4px 16px rgba(10,37,64,.04)}
.fstep:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(10,37,64,.11)}
.fstep .fnum{width:44px;height:44px;margin:0 auto 14px;border-radius:50%;background:var(--g);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(14,122,255,.3)}
.fstep h4{font-size:16px;color:var(--d);margin-bottom:6px}
.fstep p{font-size:12.8px;color:var(--mt)}
.farrow{align-self:center;font-size:22px;color:var(--b);padding:0 10px}
.sc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scard{background:#fff;border:1px solid var(--bd);border-radius:16px;padding:28px 24px;transition:.3s;box-shadow:0 4px 16px rgba(10,37,64,.04)}
.scard:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(10,37,64,.11);border-color:rgba(0,201,167,.45)}
.scard .sic{font-size:30px;margin-bottom:14px;display:block}
.scard h3{font-size:17px;color:var(--d);margin-bottom:8px}
.scard p{font-size:13.8px;color:var(--mt)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;margin-top:44px}
.price-card{background:#fff;border:1px solid var(--bd);border-radius:20px;padding:34px 28px;display:flex;flex-direction:column;position:relative;transition:.3s;box-shadow:0 6px 20px rgba(10,37,64,.05)}
.price-card:hover{transform:translateY(-6px)}
.price-card.hot{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--g) border-box;box-shadow:0 24px 56px rgba(14,122,255,.2);transform:scale(1.04)}
.price-card.hot:hover{transform:scale(1.04) translateY(-6px)}
.hot-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--g);color:#fff;font-size:12.5px;font-weight:700;padding:6px 18px;border-radius:999px;box-shadow:0 6px 16px rgba(14,122,255,.4);white-space:nowrap}
.price-card h3{font-size:19px;color:var(--d)}
.price-card .pdesc{font-size:13px;color:var(--mt);margin-top:6px}
.price-card .pnum{margin:20px 0 4px;font-size:40px;font-weight:800;color:var(--d)}
.price-card .pnum small{font-size:15px;color:var(--mt);font-weight:400}
.price-card .pper{font-size:12.5px;color:var(--mt);margin-bottom:20px}
.price-card ul{flex:1;margin-bottom:24px}
.price-card li{padding:8px 0 8px 26px;font-size:14px;color:var(--tx);position:relative;border-bottom:1px dashed var(--bd)}
.price-card li::before{content:"✓";position:absolute;left:2px;top:8px;color:var(--t);font-weight:700}
.price-card .btn{width:100%}
.faq{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--bd);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:.3s;box-shadow:0 3px 12px rgba(10,37,64,.04)}
.faq-item.open{border-color:rgba(14,122,255,.4);box-shadow:0 10px 26px rgba(10,37,64,.08)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--d);background:none;cursor:pointer;text-align:left}
.faq-q .fq-ic{flex:none;width:26px;height:26px;border-radius:50%;background:var(--bg);color:var(--b);display:flex;align-items:center;justify-content:center;font-size:16px;transition:.3s}
.faq-item.open .fq-ic{transform:rotate(45deg);background:var(--g);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a-in{padding:0 22px 20px;font-size:14.2px;color:var(--mt)}
.faq-a-in ol{padding-left:4px;counter-reset:st}
.faq-a-in li{position:relative;padding:5px 0 5px 30px}
.faq-a-in li::before{counter-increment:st;content:counter(st);position:absolute;left:0;top:8px;width:20px;height:20px;border-radius:50%;background:rgba(14,122,255,.1);color:var(--b);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.tst-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tcard{background:#fff;border:1px solid var(--bd);border-radius:16px;padding:26px;transition:.3s;box-shadow:0 4px 16px rgba(10,37,64,.04);position:relative}
.tcard:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(10,37,64,.1)}
.tcard .tstars{color:var(--gold);letter-spacing:2px;font-size:15px;margin-bottom:12px}
.tcard p{font-size:14px;color:var(--tx);margin-bottom:18px}
.tuser{display:flex;align-items:center;gap:12px}
.tuser .tav{width:42px;height:42px;border-radius:50%;background:var(--g);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:16px}
.tuser b{display:block;font-size:14.5px;color:var(--d)}
.tuser span{font-size:12.5px;color:var(--mt)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ncard{background:#fff;border:1px solid var(--bd);border-radius:16px;overflow:hidden;transition:.3s;box-shadow:0 4px 16px rgba(10,37,64,.04);display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(10,37,64,.12)}
.ncard .nimg{position:relative;aspect-ratio:16/9;overflow:hidden}
.ncard .nimg img{width:100%;height:100%;object-fit:cover;transition:.45s}
.ncard:hover .nimg img{transform:scale(1.07)}
.ncard .ncat{position:absolute;left:14px;top:14px;background:var(--g);color:#fff;font-size:12px;padding:4px 12px;border-radius:999px;font-weight:600}
.ncard .nbody{padding:20px;display:flex;flex-direction:column;flex:1}
.ncard .ndate{font-size:12.5px;color:var(--mt)}
.ncard h3{font-size:16.5px;color:var(--d);margin:8px 0 10px;line-height:1.5}
.ncard h3 a:hover{color:var(--b)}
.ncard p{font-size:13.5px;color:var(--mt);flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ncard .nmore{margin-top:14px;color:var(--b);font-size:13.5px;font-weight:600}
.cta{background:radial-gradient(900px 420px at 85% 0,rgba(14,122,255,.3),transparent 60%),var(--d);color:#fff;text-align:center;padding:86px 0;position:relative;overflow:hidden}
.cta h2{font-size:34px;line-height:1.4}
.cta p{color:rgba(255,255,255,.7);margin:14px auto 32px;max-width:560px;font-size:15.5px}
.cta .hero-btns{justify-content:center}
.footer{background:var(--d);color:rgba(255,255,255,.72);padding:60px 0 26px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer .f-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer .f-brand img{width:36px;height:36px;border-radius:8px}
.footer .f-brand b{color:#fff;font-size:17px}
.footer .f-desc{font-size:13.5px;max-width:300px}
.footer h4{color:#fff;font-size:15.5px;margin-bottom:16px}
.footer ul li{margin-bottom:10px}
.footer ul a{font-size:13.8px;transition:.2s}
.footer ul a:hover{color:var(--t)}
.footer-bottom{text-align:center;padding-top:22px;font-size:12.8px;color:rgba(255,255,255,.45)}
.page-hero{background:radial-gradient(900px 420px at 85% 0,rgba(14,122,255,.26),transparent 60%),var(--d);color:#fff;padding:138px 0 64px;text-align:center}
.page-hero h1{font-size:38px;font-weight:800}
.page-hero p{color:rgba(255,255,255,.72);margin-top:12px;font-size:15.5px;max-width:640px;margin-left:auto;margin-right:auto}
.breadcrumb{max-width:1200px;margin:0 auto;padding:18px 20px 0;font-size:13.5px;color:var(--mt);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a{color:var(--mt)}
.breadcrumb a:hover{color:var(--b)}
.breadcrumb span{color:var(--tx);font-weight:500}
.dl-hero{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.dl-data{display:flex;gap:36px;margin-top:40px;flex-wrap:wrap}
.dl-data b{display:block;font-size:26px;font-weight:800;color:#fff}
.dl-data span{font-size:13px;color:rgba(255,255,255,.6)}
.dl-hero .btn{background:var(--g);color:#fff;box-shadow:0 10px 26px rgba(0,201,167,.4)}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.vcard{background:#fff;border:1px solid var(--bd);border-radius:16px;padding:28px;transition:.3s;box-shadow:0 4px 16px rgba(10,37,64,.04);display:flex;flex-direction:column}
.vcard:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(10,37,64,.11)}
.vcard .vtag{display:inline-block;align-self:flex-start;background:rgba(14,122,255,.08);color:var(--b);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:12px}
.vcard h3{font-size:18px;color:var(--d)}
.vcard .vsize{font-size:13px;color:var(--mt);margin:6px 0 14px}
.vcard ul{flex:1;margin-bottom:20px}
.vcard li{padding:6px 0 6px 24px;font-size:13.8px;position:relative;color:var(--tx)}
.vcard li::before{content:"✓";position:absolute;left:0;color:var(--t);font-weight:700}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.req-card{background:#fff;border:1px solid var(--bd);border-radius:14px;padding:22px;transition:.3s;box-shadow:0 3px 12px rgba(10,37,64,.04)}
.req-card:hover{border-color:rgba(14,122,255,.4)}
.req-card .ric{font-size:22px;margin-bottom:10px}
.req-card b{display:block;color:var(--d);font-size:15px;margin-bottom:4px}
.req-card span{font-size:13.2px;color:var(--mt)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:#fff;border:1px solid var(--bd);border-radius:16px;padding:30px 22px;text-align:center;transition:.3s;box-shadow:0 4px 16px rgba(10,37,64,.04);position:relative}
.step:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(10,37,64,.1)}
.step .snum{width:52px;height:52px;margin:0 auto 16px;border-radius:50%;background:var(--g);color:#fff;font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(14,122,255,.3)}
.step h4{font-size:16.5px;color:var(--d);margin-bottom:8px}
.step p{font-size:13.2px;color:var(--mt)}
.news-wrap{display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:start}
.article{background:#fff;border:1px solid var(--bd);border-radius:18px;padding:40px 44px;box-shadow:0 4px 18px rgba(10,37,64,.05)}
.article .a-meta{display:flex;gap:18px;align-items:center;color:var(--mt);font-size:13.5px;margin-bottom:16px;flex-wrap:wrap}
.article .a-meta .a-cat{background:var(--g);color:#fff;padding:3px 13px;border-radius:999px;font-size:12px;font-weight:600}
.article h1{font-size:29px;line-height:1.45;color:var(--d);margin-bottom:20px}
.article .a-cover{margin:24px 0;border-radius:14px;overflow:hidden}
.article .a-cover img{width:100%}
.article .a-lead{font-size:16.5px;color:var(--tx);border-left:4px solid var(--b);background:var(--bg);padding:18px 22px;border-radius:0 12px 12px 0;margin-bottom:26px}
.article p{font-size:15.2px;color:#33475C;margin-bottom:20px;text-align:justify}
.article h2{font-size:21.5px;color:var(--d);margin:34px 0 16px;padding-left:16px;border-left:5px solid;border-image:var(--g) 1;scroll-margin-top:90px}
.article .a-fig{margin:24px 0}
.article .a-fig img{border-radius:14px;width:100%}
.article .a-fig figcaption{font-size:12.5px;color:var(--mt);text-align:center;margin-top:8px}
.article blockquote{background:var(--bg);border-radius:12px;padding:16px 20px;font-size:14.5px;color:var(--tx);margin:20px 0;border-left:4px solid var(--t)}
.article blockquote b{color:var(--b)}
.a-nav{display:flex;justify-content:space-between;gap:14px;margin-top:34px;padding-top:22px;border-top:1px solid var(--bd);flex-wrap:wrap}
.a-nav a{font-size:14px;color:var(--b)}
.a-nav a:hover{text-decoration:underline}
.a-nav .a-back{color:var(--mt)}
.a-rel{margin-top:36px}
.a-rel h3{font-size:18px;color:var(--d);margin-bottom:16px}
.a-rel .rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.a-rel .rel-card{border:1px solid var(--bd);border-radius:12px;overflow:hidden;transition:.25s;background:#fff}
.a-rel .rel-card:hover{border-color:var(--b);transform:translateY(-4px)}
.a-rel .rel-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.a-rel .rel-card span{display:block;padding:10px 13px;font-size:13.5px;color:var(--tx);line-height:1.45}
.sidebar{position:sticky;top:86px;display:flex;flex-direction:column;gap:22px}
.side-card{background:#fff;border:1px solid var(--bd);border-radius:16px;padding:22px;box-shadow:0 4px 16px rgba(10,37,64,.05)}
.side-card h4{font-size:16.5px;color:var(--d);padding-left:13px;border-left:4px solid var(--b);margin-bottom:16px;position:relative}
.toc-list{position:relative;padding-left:0}
.toc-item{position:relative;padding:9px 0 9px 24px;border-left:2px solid var(--bd);margin-left:7px;transition:.25s}
.toc-item::before{content:"";position:absolute;left:-5px;top:15px;width:8px;height:8px;border-radius:50%;background:#C7D5E5;transition:.25s}
.toc-item a{font-size:13.6px;color:var(--mt);transition:.2s;display:block;line-height:1.5}
.toc-item:hover a{color:var(--b)}
.toc-item.active{border-left-color:var(--b)}
.toc-item.active::before{background:var(--b);box-shadow:0 0 0 3px rgba(14,122,255,.22)}
.toc-item.active a{color:var(--b);font-weight:700}
.rank-list{display:flex;flex-direction:column;gap:4px}
.rank-item{display:flex;align-items:center;gap:12px;padding:9px 8px;border-radius:10px;transition:.2s}
.rank-item:hover{background:var(--bg)}
.rank-item .rk{flex:none;width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:#fff;background:#A8BACD;transition:.25s}
.rank-item:nth-child(1) .rk{background:linear-gradient(135deg,#0E7AFF,#00C9A7)}
.rank-item:nth-child(2) .rk{background:linear-gradient(135deg,#FF8A00,#FFB400)}
.rank-item:nth-child(3) .rk{background:linear-gradient(135deg,#FFB400,#FFD166)}
.rank-item:hover .rk{transform:scale(1.15)}
.rank-item a{font-size:13.4px;color:var(--tx);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:.2s}
.rank-item:hover a{color:var(--b)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{font-size:12.8px;color:var(--tx);border:1px solid var(--bd);padding:6px 15px;border-radius:999px;transition:.25s;background:var(--bg)}
.tag-cloud a:hover{color:var(--b);border-color:var(--b);background:rgba(14,122,255,.05)}
.comments{margin-top:36px}
.comments h3{font-size:18px;color:var(--d);margin-bottom:18px}
.cm-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--bd)}
.cm-item:last-child{border-bottom:0}
.cm-av{flex:none;width:42px;height:42px;border-radius:50%;color:#fff;font-weight:700;font-size:16px;display:flex;align-items:center;justify-content:center}
.cm-av.c1{background:linear-gradient(135deg,#0E7AFF,#00C9A7)}
.cm-av.c2{background:linear-gradient(135deg,#FF8A00,#FFB400)}
.cm-av.c3{background:linear-gradient(135deg,#8B5CF6,#C084FC)}
.cm-av.c4{background:linear-gradient(135deg,#F43F5E,#FB7185)}
.cm-av.c5{background:linear-gradient(135deg,#0EA5E9,#38BDF8)}
.cm-item b{font-size:14.5px;color:var(--d)}
.cm-item .cm-date{font-size:12px;color:var(--mt);margin-left:10px;font-weight:400}
.cm-item p{font-size:13.8px;color:var(--tx);margin-top:5px}
.sitemap-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.sm-card{background:#fff;border:1px solid var(--bd);border-radius:16px;padding:28px;box-shadow:0 4px 16px rgba(10,37,64,.04)}
.sm-card h3{font-size:17px;color:var(--d);margin-bottom:14px;padding-left:12px;border-left:4px solid var(--b)}
.sm-card a{display:block;padding:7px 0;font-size:14.2px;color:var(--mt);transition:.2s}
.sm-card a:hover{color:var(--b);padding-left:6px}
.err-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(800px 400px at 50% -10%,rgba(14,122,255,.22),transparent 60%),var(--d);color:#fff;text-align:center;padding:20px}
.err-box h1{font-size:110px;font-weight:800;line-height:1;background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent}
.err-box h2{font-size:26px;margin:16px 0 10px}
.err-box p{color:rgba(255,255,255,.68);font-size:15px}
.err-box .btn{margin-top:28px}
#secCount{font-weight:800;color:var(--t)}
.to-top{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;background:var(--g);color:#fff;font-size:20px;display:none;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 22px rgba(14,122,255,.4);z-index:900;border:0;transition:.3s}
.to-top.show{display:flex}
.to-top:hover{transform:translateY(-4px)}
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
@media (max-width:992px){
.hamburger{display:flex}
.nav-menu{position:fixed;top:60px;left:0;right:0;background:rgba(10,37,64,.98);flex-direction:column;align-items:stretch;gap:2px;padding:14px 20px 24px;display:none;max-height:calc(100vh - 60px);overflow-y:auto;backdrop-filter:blur(12px)}
.nav-menu.open{display:flex}
.nav-link{justify-content:space-between;padding:13px 10px;border-bottom:1px solid rgba(255,255,255,.08)}
.nav-group{position:static}
.dropdown{position:static;transform:none;opacity:1;visibility:visible;background:rgba(255,255,255,.06);box-shadow:none;min-width:0;padding:4px 10px;display:none;margin:0 0 6px}
.nav-group.sub-open .dropdown{display:block}
.nav-group.sub-open .arrow{transform:rotate(180deg)}
.dropdown a{color:rgba(255,255,255,.85);padding:10px 14px}
.dropdown a:hover{background:rgba(255,255,255,.12);color:#fff}
.nav-cta{margin:10px 0 0;justify-content:center}
.hero-inner,.dl-hero{grid-template-columns:1fr;gap:40px}
.hero{padding:130px 0 90px}
.hero h1{font-size:34px}
.feat-grid{grid-template-columns:repeat(2,1fr)}
.sc-grid,.news-grid,.tst-grid,.pricing-grid,.ver-grid{grid-template-columns:repeat(2,1fr)}
.price-card.hot{transform:none}
.price-card.hot:hover{transform:translateY(-6px)}
.matrix{grid-template-columns:repeat(2,1fr)}
.req-grid{grid-template-columns:repeat(2,1fr)}
.steps{grid-template-columns:repeat(2,1fr)}
.news-wrap{grid-template-columns:1fr}
.sidebar{position:static;order:2;display:grid;grid-template-columns:1fr;gap:18px}
.article{padding:30px 26px}
.footer-top{grid-template-columns:1fr 1fr}
.sitemap-cols{grid-template-columns:1fr}
.flow{flex-direction:column;align-items:stretch;gap:14px}
.fstep{max-width:none}
.farrow{transform:rotate(90deg);padding:0;text-align:center}
}
@media (max-width:768px){
.sec{padding:62px 0}
.sec-head h2{font-size:27px}
.hero h1{font-size:28px}
.hero-stats{gap:26px}
.hero-stat b{font-size:24px}
.feat-grid,.sc-grid,.news-grid,.tst-grid,.pricing-grid,.ver-grid,.req-grid,.steps{grid-template-columns:1fr}
.matrix{grid-template-columns:1fr}
.demo-body{height:260px}
.article h1{font-size:23px}
.article p{font-size:14.5px}
.cta h2{font-size:26px}
.page-hero h1{font-size:29px}
.footer-top{grid-template-columns:1fr;gap:26px}
.a-rel .rel-grid{grid-template-columns:1fr}
}
@media (max-width:480px){
.hero{padding:116px 0 76px}
.hero h1{font-size:24.5px}
.hero-btns{flex-direction:column;align-items:stretch}
.hero-btns .btn{width:100%}
.hero-sub{font-size:14.5px}
.sec-head h2{font-size:23px}
.article{padding:24px 18px}
.demo-send{flex-wrap:wrap}
.demo-send input{flex:1 1 100%}
.err-box h1{font-size:84px}
}