*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",system-ui,sans-serif;color:#0f1b2d;background:#f5f8ff;line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.sec{padding:88px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.sec-kicker{display:inline-block;padding:6px 18px;border-radius:999px;background:linear-gradient(90deg,rgba(47,107,255,.12),rgba(0,198,184,.12));color:#2f6bff;font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:16px}
.sec-title{font-size:36px;line-height:1.3;font-weight:800;color:#0b1b33}
.sec-sub{color:#5a6b85;font-size:16px;margin-top:14px}
.grad-text{background:linear-gradient(120deg,#2f6bff,#00c6b8);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 34px;border-radius:12px;font-size:16px;font-weight:700;cursor:pointer;border:none;transition:transform .2s,box-shadow .2s;line-height:1.2}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(135deg,#2f6bff,#00c6b8);color:#fff;box-shadow:0 8px 24px rgba(47,107,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(47,107,255,.45)}
.btn-ghost{background:#fff;color:#2f6bff;border:2px solid #2f6bff;box-shadow:0 4px 14px rgba(47,107,255,.12)}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(47,107,255,.2)}
.btn-lg{padding:17px 42px;font-size:18px;border-radius:14px}
.btn-sm{padding:9px 20px;font-size:14px;border-radius:9px}
.card{background:#fff;border-radius:18px;box-shadow:0 6px 24px rgba(15,27,45,.07)}
.topbar{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:background .3s,box-shadow .3s}
html.js .topbar.nav-scrolled{background:rgba(11,27,51,.92);box-shadow:0 4px 20px rgba(0,0,0,.25)}
html.js .topbar.nav-scrolled .nav-link{color:#dfe8f5}
html.js .topbar.nav-scrolled .nav-logo-text{color:#fff}
html.js .topbar.nav-scrolled .nav-burger span{background:#fff}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{width:38px;height:38px;border-radius:10px}
.nav-logo-text{font-size:20px;font-weight:800;color:#0b1b33}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-group{position:relative}
.nav-link{display:flex;align-items:center;gap:6px;padding:10px 16px;border-radius:10px;font-size:15px;font-weight:600;color:#0f1b2d;transition:color .2s,background .2s}
.nav-link:hover{color:#2f6bff;background:rgba(47,107,255,.08)}
.nav-arrow{display:inline-block;width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;transition:transform .25s}
.nav-group:hover .nav-arrow,.nav-group:focus-within .nav-arrow{transform:rotate(180deg)}
.nav-drop{position:absolute;top:calc(100% + 8px);left:0;min-width:220px;background:#fff;border-radius:14px;box-shadow:0 16px 40px rgba(15,27,45,.16);padding:10px;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s,transform .25s,visibility .25s}
.nav-group:hover .nav-drop,.nav-group:focus-within .nav-drop{opacity:1;visibility:visible;transform:translateY(0)}
.nav-drop a{display:block;padding:10px 14px;border-radius:9px;font-size:14px;color:#33465e;font-weight:500}
.nav-drop a:hover{background:rgba(47,107,255,.08);color:#2f6bff}
.nav-cta{margin-left:10px}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-burger span{display:block;width:26px;height:3px;border-radius:3px;background:#0b1b33;transition:transform .3s,opacity .3s}
#nav-toggle{display:none}
#nav-toggle:checked ~ .nav-menu{display:flex}
#nav-toggle:checked ~ .nav-burger span:nth-child(1){transform:translateY(8px) rotate(45deg)}
#nav-toggle:checked ~ .nav-burger span:nth-child(2){opacity:0}
#nav-toggle:checked ~ .nav-burger span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.mnav-toggle{display:none;cursor:pointer;font-size:15px;font-weight:600;color:#33465e;padding:10px 0}
.mnav-label{display:none}
.nav-dt{display:flex}
.mnav-drop{display:none}
.mnav-toggle:checked ~ .mnav-drop{display:block}
.mnav-drop a{display:block;padding:8px 18px;font-size:14px;color:#33465e;border-radius:8px}
.mnav-drop a:hover{background:rgba(47,107,255,.08);color:#2f6bff}
.hero{position:relative;padding:150px 0 90px;background:radial-gradient(1200px 600px at 85% -10%,rgba(0,198,184,.16),transparent 60%),radial-gradient(1000px 500px at 5% 10%,rgba(47,107,255,.14),transparent 55%),#f5f8ff}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;background:#fff;box-shadow:0 4px 16px rgba(47,107,255,.14);font-size:13px;font-weight:700;color:#2f6bff}
.hero-title{font-size:52px;line-height:1.22;font-weight:800;color:#0b1b33;margin:22px 0 18px}
.hero-sub{font-size:18px;color:#5a6b85;max-width:520px}
.hero-btns{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap}
.hero-stats{display:flex;gap:42px;margin-top:44px;flex-wrap:wrap}
.hero-stat b{display:block;font-size:30px;font-weight:800;background:linear-gradient(120deg,#2f6bff,#00c6b8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stat span{font-size:13px;color:#7b8aa3}
.demo-wrap{position:relative}
.demo-glow{position:absolute;inset:-30px;background:radial-gradient(60% 60% at 50% 50%,rgba(47,107,255,.25),transparent 70%);filter:blur(30px);z-index:0}
.demo-device{position:relative;z-index:1;background:#0b1b33;border-radius:20px;box-shadow:0 30px 60px rgba(11,27,51,.35);overflow:hidden}
.demo-bar{display:flex;align-items:center;gap:8px;padding:14px 18px;background:rgba(255,255,255,.06)}
.demo-dot{width:11px;height:11px;border-radius:50%}
.demo-dot.r{background:#ff5f57}.demo-dot.y{background:#febc2e}.demo-dot.g{background:#28c840}
.demo-bar-title{flex:1;text-align:center;color:#9fb3d1;font-size:13px;font-weight:600;letter-spacing:1px}
.demo-body{padding:22px}
.demo-device-list{display:flex;flex-direction:column;gap:14px}
.demo-remote{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.06);border-radius:14px;padding:16px;transition:background .2s}
.demo-remote:hover{background:rgba(255,255,255,.1)}
.demo-dev-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;background:rgba(47,107,255,.2);flex-shrink:0}
.demo-dev-info b{display:block;color:#fff;font-size:15px}
.demo-dev-info span{color:#8fa3c4;font-size:12px}
.demo-dev-status{margin-left:auto;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.demo-dot-live{display:inline-flex;align-items:center;gap:5px;color:#28c840;font-size:12px;font-weight:600}
.demo-dot-live i{width:7px;height:7px;border-radius:50%;background:#28c840;animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.3}}
.demo-connect{background:linear-gradient(135deg,#2f6bff,#00c6b8);color:#fff;border:none;padding:8px 22px;border-radius:9px;font-size:13px;font-weight:700;cursor:pointer;transition:transform .2s,box-shadow .2s}
.demo-connect:active{transform:scale(.96)}
#demo-connected{display:none}
#demo-switch{display:none}
#demo-switch:checked ~ .demo-device-list{display:none}
#demo-switch:checked ~ #demo-connected{display:block}
.demo-screen{position:relative;border-radius:14px;overflow:hidden;background:linear-gradient(160deg,#122a52,#0b1b33 55%,#0d3a52);min-height:280px;display:flex;flex-direction:column}
.demo-screen-bg{position:absolute;inset:0;opacity:.85}
.demo-screen-bg:before{content:"";position:absolute;inset:0;background:radial-gradient(400px 200px at 20% 0,rgba(47,107,255,.35),transparent 60%),radial-gradient(400px 220px at 90% 100%,rgba(0,198,184,.3),transparent 60%)}
.demo-screen-app{position:absolute;top:26px;left:26px;right:26px;bottom:26px;background:rgba(255,255,255,.97);border-radius:10px;padding:18px;box-shadow:0 12px 30px rgba(0,0,0,.4)}
.demo-screen-app .appbar{display:flex;align-items:center;gap:8px;border-bottom:1px solid #e8edf7;padding-bottom:10px;margin-bottom:12px}
.demo-screen-app .appbar i{width:9px;height:9px;border-radius:50%;background:#c9d6ec;display:inline-block}
.demo-screen-app .appbar b{font-size:12px;color:#33465e;margin-left:4px}
.demo-screen-app .approw{display:flex;gap:10px;flex-wrap:wrap}
.demo-screen-app .appchip{font-size:11px;padding:5px 10px;border-radius:7px;background:#eef4ff;color:#2f6bff;font-weight:600}
.demo-screen-app .appcell{height:34px;border-radius:8px;background:#f2f6fd;margin-bottom:8px}
.demo-screen-app .appcell.w60{width:60%}.demo-screen-app .appcell.w80{width:80%}.demo-screen-app .appcell.w40{width:40%}
.demo-status{position:absolute;top:14px;left:14px;display:flex;gap:8px;flex-wrap:wrap;z-index:2}
.demo-chip{display:inline-flex;align-items:center;gap:6px;background:rgba(11,27,51,.78);color:#fff;font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;backdrop-filter:blur(6px)}
.demo-chip i{width:7px;height:7px;border-radius:50%;background:#28c840;display:inline-block}
.demo-controls{margin-top:16px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.demo-control-card{background:rgba(255,255,255,.06);border-radius:14px;padding:14px}
.demo-control-card h4{color:#c7d6ef;font-size:13px;margin-bottom:10px;font-weight:600}
.demo-q{display:flex;gap:8px;flex-wrap:wrap}
.demo-q input{display:none}
.demo-q label{font-size:12px;color:#8fa3c4;padding:6px 12px;border-radius:8px;border:1px solid rgba(255,255,255,.18);cursor:pointer;transition:all .2s}
.demo-q input:checked + label{background:linear-gradient(135deg,#2f6bff,#00c6b8);color:#fff;border-color:transparent}
.demo-tg{display:flex;flex-direction:column;gap:10px}
.demo-tg-item{display:flex;align-items:center;justify-content:space-between;gap:10px}
.demo-tg-item span{color:#c7d6ef;font-size:13px}
.demo-tg-item input{display:none}
.demo-tg-item label{width:42px;height:23px;border-radius:999px;background:rgba(255,255,255,.16);position:relative;cursor:pointer;transition:background .2s;flex-shrink:0}
.demo-tg-item label:after{content:"";position:absolute;top:3px;left:3px;width:17px;height:17px;border-radius:50%;background:#fff;transition:left .2s}
.demo-tg-item input:checked + label{background:linear-gradient(135deg,#2f6bff,#00c6b8)}
.demo-tg-item input:checked + label:after{left:22px}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{padding:28px 24px;transition:transform .25s,box-shadow .25s;position:relative;overflow:hidden}
.feature-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(15,27,45,.12)}
.feature-icon{width:54px;height:54px;border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;background:linear-gradient(135deg,rgba(47,107,255,.14),rgba(0,198,184,.14));color:#2f6bff}
.feature-card h3{font-size:18px;margin-bottom:8px;color:#0b1b33}
.feature-card p{font-size:14px;color:#5a6b85}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scenario-card{padding:30px 26px;transition:transform .25s,box-shadow .25s}
.scenario-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(15,27,45,.12)}
.scenario-num{font-size:13px;font-weight:800;color:#00c6b8;letter-spacing:2px}
.scenario-card h3{font-size:19px;margin:10px 0 10px;color:#0b1b33}
.scenario-card p{font-size:14px;color:#5a6b85}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step-card{padding:30px 24px;text-align:center;position:relative}
.step-card:before{counter-increment:step;content:counter(step);position:absolute;top:-20px;left:50%;transform:translateX(-50%);width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#2f6bff,#00c6b8);color:#fff;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(47,107,255,.35)}
.step-card h3{font-size:17px;margin:14px 0 8px;color:#0b1b33}
.step-card p{font-size:13px;color:#5a6b85}
.steps-grid{padding-top:20px}
.matrix{background:linear-gradient(160deg,#0b1b33,#122a52);border-radius:24px;padding:60px;color:#fff;position:relative;overflow:hidden}
.matrix:before{content:"";position:absolute;inset:0;background:radial-gradient(500px 260px at 90% 0,rgba(0,198,184,.25),transparent 60%),radial-gradient(500px 260px at 0 100%,rgba(47,107,255,.3),transparent 60%)}
.matrix-head{position:relative;z-index:1;text-align:center;margin-bottom:40px}
.matrix-head h2{font-size:34px;font-weight:800}
.matrix-head p{color:#9fb3d1;margin-top:10px}
.matrix-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.matrix-item{background:rgba(255,255,255,.07);border-radius:16px;padding:24px;text-align:center;transition:background .25s,transform .25s}
.matrix-item:hover{background:rgba(255,255,255,.12);transform:translateY(-5px)}
.matrix-item .mi-icon{font-size:30px}
.matrix-item b{display:block;margin-top:10px;font-size:16px}
.matrix-item span{display:block;margin-top:6px;font-size:12px;color:#9fb3d1}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{padding:38px 30px;position:relative;display:flex;flex-direction:column}
.price-card.hot{border:2px solid #2f6bff;transform:scale(1.03);box-shadow:0 20px 50px rgba(47,107,255,.22)}
.price-tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#2f6bff,#00c6b8);color:#fff;font-size:12px;font-weight:700;padding:6px 18px;border-radius:999px;letter-spacing:1px}
.price-name{font-size:17px;font-weight:700;color:#0b1b33}
.price-desc{font-size:13px;color:#5a6b85;margin-top:6px}
.price-amount{margin:22px 0;display:flex;align-items:baseline;gap:4px}
.price-amount b{font-size:44px;font-weight:800;background:linear-gradient(120deg,#2f6bff,#00c6b8);-webkit-background-clip:text;background-clip:text;color:transparent}
.price-amount span{font-size:14px;color:#5a6b85}
.price-list{flex:1;display:flex;flex-direction:column;gap:12px;margin-bottom:26px}
.price-list li{display:flex;gap:10px;font-size:14px;color:#33465e;align-items:flex-start}
.price-list li:before{content:"✓";color:#00c6b8;font-weight:800;flex-shrink:0}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border-radius:16px;box-shadow:0 4px 18px rgba(15,27,45,.06);margin-bottom:14px;overflow:hidden}
.faq-q{display:block;padding:20px 26px;font-size:16px;font-weight:700;color:#0b1b33;cursor:pointer;position:relative}
.faq-q:after{content:"";position:absolute;right:26px;top:50%;width:12px;height:12px;border-right:2.5px solid #2f6bff;border-bottom:2.5px solid #2f6bff;transform:translateY(-70%) rotate(45deg);transition:transform .25s}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 26px;color:#5a6b85;font-size:14px}
.faq-a ol{padding-left:22px;list-style:decimal}
.faq-a ol li{margin-bottom:6px}
details.faq-item[open] .faq-q:after{transform:translateY(-30%) rotate(225deg)}
details.faq-item[open] .faq-a{max-height:600px;padding-bottom:24px}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.testi-card{padding:28px 26px}
.testi-stars{color:#ffb400;letter-spacing:3px;font-size:15px}
.testi-text{font-size:14px;color:#33465e;margin:14px 0 18px;line-height:1.8}
.testi-user{display:flex;align-items:center;gap:12px}
.testi-ava{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#2f6bff,#00c6b8);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:16px}
.testi-user b{font-size:14px;color:#0b1b33}
.testi-user span{font-size:12px;color:#7b8aa3}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{overflow:hidden;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(15,27,45,.12)}
.news-card-img{position:relative;aspect-ratio:16/9;overflow:hidden}
.news-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .news-card-img img{transform:scale(1.06)}
.news-card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-card-date{font-size:12px;color:#7b8aa3;letter-spacing:1px}
.news-card h3{font-size:17px;margin:10px 0;color:#0b1b33;line-height:1.5}
.news-card p{font-size:13px;color:#5a6b85;flex:1}
.news-card-more{margin-top:14px;color:#2f6bff;font-weight:700;font-size:14px}
.cta{position:relative;background:linear-gradient(135deg,#2f6bff,#00c6b8);border-radius:24px;padding:64px 40px;text-align:center;color:#fff;overflow:hidden}
.cta:before{content:"";position:absolute;inset:0;background:radial-gradient(400px 200px at 20% 20%,rgba(255,255,255,.18),transparent 60%)}
.cta h2{font-size:32px;font-weight:800;position:relative}
.cta p{position:relative;margin:14px 0 28px;opacity:.92}
.cta .btn{position:relative;background:#fff;color:#2f6bff}
.footer{background:#0b1b33;color:#9fb3d1;padding:60px 0 30px;margin-top:90px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand img{width:44px;height:44px;border-radius:12px}
.footer-brand p{font-size:13px;margin-top:14px;max-width:280px;opacity:.8}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-col a{display:block;font-size:14px;padding:6px 0;opacity:.85;transition:opacity .2s,color .2s}
.footer-col a:hover{opacity:1;color:#00c6b8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:24px;font-size:12px;text-align:center;opacity:.7}
.page-hero{background:radial-gradient(1100px 500px at 80% -20%,rgba(0,198,184,.16),transparent 60%),radial-gradient(900px 480px at 0 10%,rgba(47,107,255,.14),transparent 55%),#f5f8ff;padding:150px 0 70px;text-align:center}
.page-hero h1{font-size:42px;font-weight:800;color:#0b1b33}
.page-hero p{color:#5a6b85;font-size:17px;margin-top:16px;max-width:680px;margin-left:auto;margin-right:auto}
.crumb{display:flex;gap:8px;align-items:center;font-size:13px;color:#7b8aa3;max-width:1200px;margin:0 auto;padding:24px 24px 0;flex-wrap:wrap}
.crumb a{color:#2f6bff}
.crumb a:hover{text-decoration:underline}
.dl-hero-grid{display:grid;grid-template-columns:1fr .95fr;gap:56px;align-items:center}
.dl-meta{display:flex;gap:36px;margin-top:30px;flex-wrap:wrap}
.dl-meta b{font-size:22px;font-weight:800;color:#0b1b33;display:block}
.dl-meta span{font-size:13px;color:#7b8aa3}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ver-card{padding:32px 28px;display:flex;flex-direction:column}
.ver-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.ver-os{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:#0b1b33;font-size:18px}
.ver-badge{background:rgba(47,107,255,.1);color:#2f6bff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px}
.ver-size{color:#5a6b85;font-size:13px;margin-bottom:18px}
.ver-list{flex:1;display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.ver-list li{font-size:14px;color:#33465e;display:flex;gap:8px}
.ver-list li:before{content:"✓";color:#00c6b8;font-weight:800}
.req-table{max-width:860px;margin:0 auto;background:#fff;border-radius:18px;box-shadow:0 6px 24px rgba(15,27,45,.07);overflow:hidden}
.req-row{display:grid;grid-template-columns:200px 1fr;border-bottom:1px solid #eef2f9}
.req-row:last-child{border-bottom:none}
.req-row dt{background:#f6f9ff;padding:18px 26px;font-weight:700;color:#0b1b33;font-size:14px}
.req-row dd{padding:18px 26px;font-size:14px;color:#5a6b85}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-main{background:#fff;border-radius:20px;box-shadow:0 6px 24px rgba(15,27,45,.07);padding:44px;overflow:hidden}
.article-head .crumb{display:flex;gap:8px;align-items:center;font-size:13px;color:#7b8aa3;padding:0;margin:0;flex-wrap:wrap}
.article-head h1{font-size:30px;line-height:1.45;font-weight:800;color:#0b1b33;margin:18px 0 16px}
.article-meta{display:flex;gap:20px;align-items:center;font-size:13px;color:#7b8aa3;flex-wrap:wrap}
.article-cover{margin:26px -44px 0;aspect-ratio:16/9;overflow:hidden}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-body{margin-top:30px;font-size:16px;color:#33465e;line-height:2}
.article-body p{margin-bottom:20px;text-indent:2em}
.article-body h2{font-size:23px;color:#0b1b33;margin:36px 0 18px;padding-left:14px;border-left:4px solid #2f6bff;line-height:1.5}
.article-body .fig{margin:26px 0}
.article-body .fig img{border-radius:14px;width:100%}
.article-body .fig figcaption{font-size:12px;color:#7b8aa3;text-align:center;margin-top:10px}
.article-body blockquote{margin:24px 0;padding:18px 26px;background:#f6f9ff;border-radius:14px;border-left:4px solid #00c6b8;font-size:15px;color:#33465e}
.article-body blockquote b{display:block;margin-top:8px;font-size:13px;color:#5a6b85}
.article-tip{background:linear-gradient(135deg,rgba(47,107,255,.08),rgba(0,198,184,.08));border-radius:14px;padding:20px 26px;margin:26px 0}
.article-tip b{color:#2f6bff}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:24px;border-top:1px solid #eef2f9;flex-wrap:wrap}
.article-nav a{font-size:14px;color:#2f6bff;font-weight:600}
.article-nav a:hover{text-decoration:underline}
.comments{margin-top:40px;padding-top:26px;border-top:1px solid #eef2f9}
.comments h3{font-size:19px;color:#0b1b33;margin-bottom:20px}
.comment-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed #e8edf7}
.comment-ava{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#2f6bff,#00c6b8);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0}
.comment-body b{font-size:14px;color:#0b1b33}
.comment-body .c-date{font-size:12px;color:#7b8aa3;margin-left:10px}
.comment-body p{font-size:14px;color:#5a6b85;margin-top:6px;text-indent:0}
.sidebar{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border-radius:18px;box-shadow:0 6px 24px rgba(15,27,45,.07);padding:24px}
.side-card h3{font-size:16px;color:#0b1b33;padding-left:12px;border-left:4px solid #2f6bff;margin-bottom:18px;line-height:1.3}
.toc-list{position:relative;padding-left:18px}
.toc-list:before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:#e8edf7}
.toc-list a{display:flex;align-items:flex-start;gap:10px;padding:7px 0;font-size:13.5px;color:#5a6b85;position:relative;transition:color .2s}
.toc-list a:before{content:"";position:absolute;left:-17px;top:14px;width:8px;height:8px;border-radius:50%;background:#d5deef;border:2px solid #fff;transition:background .2s}
.toc-list a:hover{color:#2f6bff}
html.js .toc-list a.active{color:#2f6bff;font-weight:700}
html.js .toc-list a.active:before{background:#2f6bff}
.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-item{display:flex;align-items:center;gap:12px}
.rank-badge{width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:#fff;flex-shrink:0;background:#c3cddd;transition:transform .2s}
.rank-item:nth-child(1) .rank-badge{background:linear-gradient(135deg,#2f6bff,#00c6b8)}
.rank-item:nth-child(2) .rank-badge{background:linear-gradient(135deg,#ff8a3d,#ffb400)}
.rank-item:nth-child(3) .rank-badge{background:linear-gradient(135deg,#ffb400,#ffd34e)}
.rank-item a{font-size:13.5px;color:#33465e;line-height:1.5;transition:color .2s}
.rank-item:hover .rank-badge{transform:scale(1.12)}
.rank-item:hover a{color:#2f6bff}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{font-size:12.5px;color:#5a6b85;padding:6px 14px;border-radius:999px;border:1px solid #dfe7f5;transition:all .2s}
.tag-cloud a:hover{color:#2f6bff;border-color:#2f6bff;background:rgba(47,107,255,.06)}
.news-list-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.news-list-card{display:flex;gap:20px;padding:20px;align-items:flex-start}
.news-list-card .nlc-img{width:200px;aspect-ratio:16/9;border-radius:12px;overflow:hidden;flex-shrink:0}
.news-list-card .nlc-img img{width:100%;height:100%;object-fit:cover}
.news-list-card h3{font-size:17px;color:#0b1b33;line-height:1.55}
.news-list-card p{font-size:13px;color:#5a6b85;margin-top:8px}
.sitemap-sec .sm-col{margin-bottom:40px}
.sitemap-sec h2{font-size:22px;color:#0b1b33;margin-bottom:18px;padding-left:14px;border-left:4px solid #2f6bff}
.sm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.sm-grid a{background:#fff;border-radius:12px;padding:16px 20px;font-size:14px;color:#33465e;box-shadow:0 4px 16px rgba(15,27,45,.06);transition:transform .2s,color .2s;display:flex;align-items:center;gap:8px}
.sm-grid a:before{content:"→";color:#00c6b8;font-weight:800}
.sm-grid a:hover{transform:translateY(-3px);color:#2f6bff}
.err-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(900px 480px at 50% -10%,rgba(47,107,255,.14),transparent 60%),#f5f8ff;text-align:center;padding:24px}
.err-code{font-size:120px;font-weight:800;line-height:1;background:linear-gradient(120deg,#2f6bff,#00c6b8);-webkit-background-clip:text;background-clip:text;color:transparent}
.err-page h1{font-size:26px;color:#0b1b33;margin:16px 0 10px}
.err-page p{color:#5a6b85;margin-bottom:30px}
.reveal{opacity:1;transform:none;transition:opacity .6s ease,transform .6s ease}
html.js .reveal{opacity:0;transform:translateY(26px)}
html.js .reveal.in{opacity:1;transform:translateY(0)}
.backtop{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,#2f6bff,#00c6b8);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 8px 22px rgba(47,107,255,.4);z-index:90;transition:transform .2s}
.backtop:hover{transform:translateY(-4px)}
@media (max-width:992px){
.hero-grid,.dl-hero-grid{grid-template-columns:1fr;gap:44px}
.hero{padding:130px 0 70px}
.hero-title{font-size:40px}
.feature-grid{grid-template-columns:repeat(2,1fr)}
.scenario-grid{grid-template-columns:repeat(2,1fr)}
.pricing-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}
.price-card.hot{transform:none}
.testi-grid{grid-template-columns:repeat(2,1fr)}
.news-grid{grid-template-columns:repeat(2,1fr)}
.matrix{padding:44px 26px}
.matrix-grid{grid-template-columns:repeat(2,1fr)}
.steps-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.article-layout{grid-template-columns:1fr}
.sidebar{position:static}
.news-list-grid{grid-template-columns:1fr}
.nav-burger{display:flex}
.nav-menu{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:16px 24px;gap:0;box-shadow:0 20px 40px rgba(15,27,45,.14);border-radius:0 0 18px 18px;max-height:calc(100vh - 70px);overflow-y:auto}
.nav-group{width:100%}
.nav-link{width:100%;justify-content:space-between}
.nav-drop{position:static;box-shadow:none;opacity:1;visibility:visible;transform:none;display:none;padding:0 0 0 14px;min-width:0}
.nav-group:hover .nav-drop{display:none}
.mnav-toggle:checked ~ .mnav-drop{display:block}
.mnav-label{display:flex;width:100%;justify-content:space-between}
.nav-dt{display:none}
.nav-cta{display:none}
.ver-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}
}
@media (max-width:768px){
.sec{padding:64px 0}
.sec-title{font-size:28px}
.hero-title{font-size:32px}
.hero-sub{font-size:16px}
.feature-grid,.scenario-grid,.testi-grid,.news-grid{grid-template-columns:1fr}
.matrix-grid{grid-template-columns:1fr 1fr;gap:14px}
.article-main{padding:26px}
.article-cover{margin:22px -26px 0}
.article-head h1{font-size:24px}
.article-body{font-size:15px}
.news-list-card{flex-direction:column}
.news-list-card .nlc-img{width:100%}
.sm-grid{grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr}
.req-row{grid-template-columns:1fr}
.req-row dt{background:none;padding:14px 20px 4px}
.req-row dd{padding:0 20px 16px}
.hero-stats{gap:26px}
.hero-stat b{font-size:24px}
.page-hero h1{font-size:30px}
.cta{padding:48px 24px}
}
@media (max-width:480px){
.container{padding:0 18px}
.hero{padding:118px 0 56px}
.hero-title{font-size:27px}
.hero-btns{flex-direction:column}
.hero-btns .btn{width:100%}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;text-align:center}
.hero-stat b{font-size:21px}
.sec-title{font-size:24px}
.matrix-grid{grid-template-columns:1fr}
.demo-controls{grid-template-columns:1fr}
.article-main{padding:20px}
.article-cover{margin:18px -20px 0}
.article-head h1{font-size:21px}
.sm-grid{grid-template-columns:1fr}
.dl-meta{gap:22px}
}