:root{
  --qz7-ink:#0b1a2b;
  --qz7-ink2:#13273c;
  --qz7-blue:#14679b;
  --qz7-cyan:#2aa6bd;
  --qz7-txt:#1b2735;
  --qz7-mut:#5d6c7b;
  --qz7-line:#e2e8ee;
  --qz7-bg:#f4f7fa;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:15px;line-height:1.85;color:var(--qz7-txt);background:#fff}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
.qz7-wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.qz7-row{display:flex;align-items:center}
.qz7-topbar{background:var(--qz7-ink);color:#93a8bd;font-size:12.5px;line-height:1.4}
.qz7-topbar .qz7-wrap{display:flex;justify-content:space-between;gap:16px;min-height:36px;align-items:center;flex-wrap:wrap}
.qz7-topbar a{color:#93a8bd}
.qz7-topbar span{white-space:nowrap}
.qz7-head{background:#fff;border-bottom:1px solid var(--qz7-line);position:sticky;top:0;z-index:40}
.qz7-head .qz7-wrap{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:20px}
.qz7-logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.qz7-logo img{height:42px;width:auto}
.qz7-logotext{display:flex;flex-direction:column;line-height:1.25}
.qz7-logotext b{font-size:17.5px;letter-spacing:.02em;color:var(--qz7-ink)}
.qz7-logotext i{font-style:normal;font-size:11.5px;color:var(--qz7-mut);letter-spacing:.14em;text-transform:uppercase}
.qz7-nav{display:flex;gap:30px;align-items:center}
.qz7-nav a{font-size:14.5px;color:#243444;padding:6px 0;border-bottom:2px solid transparent;transition:.18s}
.qz7-nav a:hover,.qz7-nav a.qz7-on{color:var(--qz7-blue);border-color:var(--qz7-blue)}
.qz7-burger{display:none;background:none;border:1px solid var(--qz7-line);border-radius:2px;padding:8px 13px;font-size:13.5px;color:#243444;flex:0 0 auto}
.qz7-hero{position:relative;background:var(--qz7-ink);color:#fff;overflow:hidden}
.qz7-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.32}
.qz7-hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,20,34,.94) 0%,rgba(8,20,34,.78) 52%,rgba(8,20,34,.42) 100%)}
.qz7-hero-in{position:relative;padding:96px 0 84px;max-width:760px}
.qz7-kicker{font-size:12.5px;letter-spacing:.24em;text-transform:uppercase;color:#7fc4d4;margin-bottom:22px}
.qz7-hero h1{font-size:42px;line-height:1.28;letter-spacing:-.02em;margin-bottom:22px;font-weight:700}
.qz7-hero h1 em{font-style:normal;color:#7fd3e4}
.qz7-hero p{font-size:15.5px;line-height:1.9;color:#c3d3e2;max-width:620px}
.qz7-btns{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.qz7-btn{display:inline-block;padding:13px 30px;font-size:14.5px;border:1px solid rgba(255,255,255,.35);color:#fff;transition:.2s;border-radius:2px}
.qz7-btn:hover{background:rgba(255,255,255,.12)}
.qz7-btn-s{background:var(--qz7-blue);border-color:var(--qz7-blue)}
.qz7-btn-s:hover{background:#0f557f;border-color:#0f557f}
.qz7-stats{background:var(--qz7-ink2);color:#fff;border-top:1px solid rgba(255,255,255,.08)}
.qz7-stats .qz7-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.09)}
.qz7-stat{background:var(--qz7-ink2);padding:30px 22px}
.qz7-stat b{display:block;font-size:27px;font-weight:700;color:#8ad3e2;letter-spacing:-.01em}
.qz7-stat span{display:block;font-size:13px;color:#93a8bd;margin-top:6px}
.qz7-sec{padding:78px 0}
.qz7-sec-alt{background:var(--qz7-bg)}
.qz7-sec-head{max-width:720px;margin-bottom:44px}
.qz7-sec-head .qz7-kicker{color:var(--qz7-blue);margin-bottom:14px}
.qz7-sec-head h2{font-size:29px;color:var(--qz7-ink)}
.qz7-sec-head p{margin-top:16px;color:var(--qz7-mut);font-size:15px}
.qz7-grid{display:grid;gap:26px}
.qz7-g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.qz7-g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.qz7-g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.qz7-card{background:#fff;border:1px solid var(--qz7-line);border-radius:2px;overflow:hidden;display:flex;flex-direction:column;transition:.22s}
.qz7-card:hover{border-color:#b8cbd9;box-shadow:0 14px 34px rgba(12,35,58,.09);transform:translateY(-2px)}
.qz7-card-pic{aspect-ratio:16/10;overflow:hidden;background:#dfe7ee}
.qz7-card-pic img{width:100%;height:100%;object-fit:cover}
.qz7-card-bd{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.qz7-code{font-size:11.5px;letter-spacing:.14em;color:var(--qz7-cyan);margin-bottom:10px}
.qz7-card h3{font-size:18px;color:var(--qz7-ink);margin-bottom:10px}
.qz7-card p{font-size:14px;color:var(--qz7-mut);flex:1}
.qz7-more{margin-top:18px;font-size:13.5px;color:var(--qz7-blue);display:inline-block}
.qz7-card:hover .qz7-more{color:#0f557f}
.qz7-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}
.qz7-step{border-top:2px solid var(--qz7-ink);padding-top:26px}
.qz7-step .qz7-num{font-size:12.5px;letter-spacing:.16em;color:var(--qz7-blue);margin-bottom:12px}
.qz7-step h3{font-size:19px;margin-bottom:12px;color:var(--qz7-ink)}
.qz7-step p{font-size:14px;color:var(--qz7-mut)}
.qz7-ind{position:relative;border:1px solid var(--qz7-line);overflow:hidden;border-radius:2px}
.qz7-ind img{height:180px;width:100%;object-fit:cover}
.qz7-ind div{padding:20px 22px;background:#fff}
.qz7-ind h3{font-size:17px;margin-bottom:8px;color:var(--qz7-ink)}
.qz7-ind p{font-size:13.5px;color:var(--qz7-mut)}
.qz7-flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;counter-reset:qz7f}
.qz7-flow li{border-left:1px solid var(--qz7-line);padding:0 0 0 20px;position:relative}
.qz7-flow li:before{counter-increment:qz7f;content:"0" counter(qz7f);display:block;font-size:12px;letter-spacing:.14em;color:var(--qz7-cyan);margin-bottom:10px}
.qz7-flow b{display:block;font-size:15.5px;color:var(--qz7-ink);margin-bottom:8px}
.qz7-flow span{font-size:13px;color:var(--qz7-mut);line-height:1.75}
.qz7-why{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 56px}
.qz7-why li{padding:24px 0;border-bottom:1px solid var(--qz7-line)}
.qz7-why b{display:block;font-size:16px;color:var(--qz7-ink);margin-bottom:8px}
.qz7-why span{font-size:13.5px;color:var(--qz7-mut)}
.qz7-news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:34px 48px}
.qz7-news{display:flex;gap:20px;border-bottom:1px solid var(--qz7-line);padding-bottom:24px}
.qz7-news time{flex:0 0 62px;font-size:12px;color:var(--qz7-mut);letter-spacing:.06em;line-height:1.6;padding-top:3px}
.qz7-news h3{font-size:16.5px;margin-bottom:8px;color:var(--qz7-ink);line-height:1.55}
.qz7-news p{font-size:13px;color:var(--qz7-mut);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.qz7-news:hover h3{color:var(--qz7-blue)}
.qz7-faq{max-width:900px}
.qz7-faq details{border-bottom:1px solid var(--qz7-line);padding:6px 0}
.qz7-faq summary{list-style:none;cursor:pointer;padding:18px 34px 18px 0;font-size:16px;font-weight:600;color:var(--qz7-ink);position:relative}
.qz7-faq summary::-webkit-details-marker{display:none}
.qz7-faq summary:after{content:"";position:absolute;right:8px;top:26px;width:9px;height:9px;border-right:1.5px solid var(--qz7-mut);border-bottom:1.5px solid var(--qz7-mut);transform:rotate(45deg);transition:.2s}
.qz7-faq details[open] summary:after{transform:rotate(-135deg);top:29px}
.qz7-faq p{padding:0 40px 22px 0;font-size:14px;color:var(--qz7-mut)}
.qz7-cta{background:var(--qz7-ink);color:#fff;padding:70px 0}
.qz7-cta .qz7-wrap{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:60px;align-items:start}
.qz7-cta h2{font-size:27px;margin-bottom:16px}
.qz7-cta p{color:#b6c8d8;font-size:14.5px;max-width:520px}
.qz7-form{display:grid;gap:14px}
.qz7-form-wrap{border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.035);padding:28px 26px}
.qz7-form label{font-size:12.5px;color:#93a8bd;display:block;margin-bottom:6px}
.qz7-form input,.qz7-form textarea{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);color:#fff;padding:11px 13px;font-size:14px;font-family:inherit;border-radius:2px}
.qz7-form textarea{min-height:86px;resize:vertical}
.qz7-form button{background:var(--qz7-blue);border:0;color:#fff;padding:13px;font-size:14.5px;border-radius:2px}
.qz7-form button:hover{background:#0f557f}
.qz7-foot{background:#08141f;color:#8296a8;font-size:13px;padding:56px 0 30px}
.qz7-foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.qz7-foot h4{color:#e6eef4;font-size:15px;margin-bottom:16px}
.qz7-foot li{margin-bottom:9px;font-size:13px}
.qz7-foot a:hover{color:#8ad3e2}
.qz7-foot-bot{border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding-top:20px;font-size:12.5px;color:#63798c;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.qz7-crumb{background:var(--qz7-bg);border-bottom:1px solid var(--qz7-line);font-size:12.5px;color:var(--qz7-mut)}
.qz7-crumb .qz7-wrap{padding:14px 24px;display:flex;gap:8px;flex-wrap:wrap}
.qz7-crumb a:hover{color:var(--qz7-blue)}
.qz7-ph{background:var(--qz7-ink);color:#fff;padding:62px 0 56px}
.qz7-ph h1{font-size:33px;max-width:820px}
.qz7-ph p{color:#b6c8d8;font-size:14.5px;margin-top:16px;max-width:760px}
.qz7-ph .qz7-kicker{color:#7fc4d4;margin-bottom:14px}
.qz7-two{display:grid;grid-template-columns:minmax(0,1fr) 308px;gap:56px;align-items:start}
.qz7-art h2{font-size:23px;color:var(--qz7-ink);margin:44px 0 16px}
.qz7-art h2:first-child{margin-top:0}
.qz7-art h3{font-size:18px;color:var(--qz7-ink);margin:28px 0 10px}
.qz7-art p{color:#37485a;font-size:14.5px;margin-bottom:14px}
.qz7-art ul{margin:0 0 18px}
.qz7-art ul li{position:relative;padding-left:18px;color:#37485a;font-size:14px;margin-bottom:9px}
.qz7-art ul li:before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;background:var(--qz7-cyan)}
.qz7-table{width:100%;border-collapse:collapse;font-size:13.5px;margin:8px 0 26px}
.qz7-table th,.qz7-table td{border:1px solid var(--qz7-line);padding:11px 14px;text-align:left;vertical-align:top}
.qz7-table th{background:var(--qz7-bg);color:var(--qz7-ink);font-weight:600;white-space:nowrap;width:150px}
.qz7-sb{position:sticky;top:100px;display:grid;gap:20px}
.qz7-sb-box{border:1px solid var(--qz7-line);background:#fff;padding:24px}
.qz7-sb-box h4{font-size:15px;color:var(--qz7-ink);margin-bottom:14px}
.qz7-sb-box li{border-bottom:1px solid var(--qz7-line);padding:10px 0;font-size:13.5px}
.qz7-sb-box li:last-child{border-bottom:0}
.qz7-sb-box li a:hover{color:var(--qz7-blue)}
.qz7-sb-box p{font-size:13px;color:var(--qz7-mut);margin-bottom:12px}
.qz7-sb-cta{background:var(--qz7-ink);color:#fff;padding:26px}
.qz7-sb-cta h4{color:#fff}
.qz7-sb-cta p{color:#a9bccd}
.qz7-sb-cta a{display:inline-block;background:var(--qz7-blue);color:#fff;padding:10px 18px;font-size:13.5px;border-radius:2px}
.qz7-list{display:grid;gap:0}
.qz7-li{display:grid;grid-template-columns:190px minmax(0,1fr) 92px;gap:28px;align-items:center;padding:26px 0;border-bottom:1px solid var(--qz7-line)}
.qz7-li:hover h3{color:var(--qz7-blue)}
.qz7-li h3{font-size:17px;color:var(--qz7-ink);margin-bottom:8px}
.qz7-li p{font-size:13.5px;color:var(--qz7-mut)}
.qz7-li time{font-size:12.5px;color:var(--qz7-mut)}
.qz7-li img{width:100%;height:110px;object-fit:cover;border-radius:2px}
.qz7-tag{font-size:11.5px;letter-spacing:.1em;color:var(--qz7-cyan);margin-bottom:8px;display:inline-block}
.qz7-pager{display:flex;gap:10px;margin-top:40px;flex-wrap:wrap}
.qz7-pager a,.qz7-pager span{border:1px solid var(--qz7-line);padding:8px 14px;font-size:13px;color:var(--qz7-mut)}
.qz7-pager a:hover{border-color:var(--qz7-blue);color:var(--qz7-blue)}
.qz7-pager .qz7-pg-on{background:var(--qz7-ink);color:#fff;border-color:var(--qz7-ink)}
.qz7-note{font-size:12.5px;color:var(--qz7-mut);border-left:2px solid var(--qz7-line);padding-left:14px;margin-top:26px}
.qz7-404{padding:110px 0 130px;text-align:center}
.qz7-404 b{display:block;font-size:92px;line-height:1;color:var(--qz7-ink);letter-spacing:-.04em}
.qz7-404 h1{font-size:22px;margin:26px 0 14px}
.qz7-404 p{color:var(--qz7-mut);font-size:14.5px;max-width:520px;margin:0 auto 30px}
.qz7-hero-page{position:relative;background:var(--qz7-ink)}
.qz7-hero-page .qz7-hero-in{padding:70px 0 62px;max-width:800px}
.qz7-hero-page h1{font-size:34px}
@media (max-width:1024px){
  .qz7-nav{gap:20px}
  .qz7-nav a{font-size:13.5px}
  .qz7-g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .qz7-two{grid-template-columns:minmax(0,1fr) 270px;gap:40px}
  .qz7-cta .qz7-wrap{grid-template-columns:minmax(0,1fr) 360px;gap:40px}
  .qz7-flow{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
}
@media (max-width:820px){
  .qz7-head .qz7-wrap{min-height:66px}
  .qz7-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--qz7-line);flex-direction:column;gap:0;padding:8px 24px 18px;box-shadow:0 14px 28px rgba(12,35,58,.1)}
  .qz7-nav.qz7-open{display:flex}
  .qz7-nav a{width:100%;padding:12px 0;border-bottom:1px solid var(--qz7-line)}
  .qz7-burger{display:block}
  .qz7-head .qz7-wrap{position:relative}
  .qz7-logotext i{display:none}
  .qz7-hero-in{padding:64px 0 56px}
  .qz7-hero h1{font-size:29px}
  .qz7-hero p{font-size:14.5px}
  .qz7-sec{padding:54px 0}
  .qz7-sec-head{margin-bottom:32px}
  .qz7-sec-head h2{font-size:24px}
  .qz7-stats .qz7-wrap{grid-template-columns:repeat(2,1fr)}
  .qz7-g4,.qz7-g3,.qz7-g2,.qz7-news-grid,.qz7-steps,.qz7-why{grid-template-columns:minmax(0,1fr)}
  .qz7-flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .qz7-two{grid-template-columns:minmax(0,1fr)}
  .qz7-sb{position:static}
  .qz7-cta .qz7-wrap{grid-template-columns:minmax(0,1fr)}
  .qz7-foot-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px}
  .qz7-li{grid-template-columns:minmax(0,1fr);gap:14px}
  .qz7-li img{height:170px}
  .qz7-ph h1{font-size:25px}
  .qz7-404 b{font-size:66px}
}
@media (max-width:560px){
  .qz7-wrap{padding:0 18px}
  .qz7-hero h1{font-size:24px}
  .qz7-hero-in{padding:48px 0 44px}
  .qz7-btn{padding:11px 20px;font-size:13.5px}
  .qz7-flow{grid-template-columns:minmax(0,1fr)}
  .qz7-foot-grid{grid-template-columns:minmax(0,1fr)}
  .qz7-why{gap:0}
  .qz7-table{font-size:12.5px}
  .qz7-table th{width:104px}
  .qz7-li img{height:150px}
  .qz7-news time{flex:0 0 52px}
}