@charset "utf-8";
:root{
--qj4-navy:#0f2d52;
--qj4-navy-d:#0a1f3a;
--qj4-blue:#1a5da8;
--qj4-blue-l:#2f7fc4;
--qj4-amber:#e8952f;
--qj4-amber-l:#f4b558;
--qj4-ink:#1c2531;
--qj4-gray:#5c6a7a;
--qj4-line:#dfe6ee;
--qj4-bg:#f4f7fa;
--qj4-white:#fff;
--qj4-shadow:0 10px 30px rgba(15,45,82,.09);
--qj4-shadow-s:0 4px 14px rgba(15,45,82,.07);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Source Han Sans SC",sans-serif;color:var(--qj4-ink);background:var(--qj4-white);font-size:16px;line-height:1.75;overflow-x:hidden}
img{display:block;max-width:100%;border:0}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
.qj4-wrap{width:1200px;max-width:94%;margin:0 auto}
.qj4-sec{padding:74px 0}
.qj4-sec--gray{background:var(--qj4-bg)}
.qj4-sec--navy{background:linear-gradient(135deg,#0d2746 0%,#12365e 55%,#17456f 100%);color:#fff}
.qj4-head{text-align:center;margin-bottom:46px}
.qj4-head__en{font-size:13px;letter-spacing:.22em;color:var(--qj4-blue-l);text-transform:uppercase}
.qj4-head__cn{font-size:32px;font-weight:700;letter-spacing:.02em;margin:8px 0 12px;color:var(--qj4-navy)}
.qj4-head__cn i{font-style:normal;color:var(--qj4-amber)}
.qj4-head__bar{width:48px;height:3px;background:var(--qj4-amber);margin:0 auto 14px}
.qj4-head__tip{font-size:14px;color:var(--qj4-gray);max-width:720px;margin:0 auto}
.qj4-sec--navy .qj4-head__cn{color:#fff}
.qj4-sec--navy .qj4-head__tip{color:rgba(255,255,255,.72)}

.qj4-topbar{background:var(--qj4-navy-d);color:rgba(255,255,255,.82);font-size:13px;line-height:38px}
.qj4-topbar__in{display:flex;justify-content:space-between;align-items:center;gap:16px}
.qj4-topbar__in b{color:var(--qj4-amber-l);font-weight:600;font-size:15px;letter-spacing:.01em}
.qj4-topbar__links{display:flex;gap:18px}
.qj4-topbar__links a:hover{color:#fff}

.qj4-hdr{position:sticky;top:0;z-index:90;background:#fff;box-shadow:0 1px 0 var(--qj4-line);transition:box-shadow .25s}
.qj4-hdr.is-stuck{box-shadow:0 6px 18px rgba(15,45,82,.1)}
.qj4-hdr__in{display:flex;align-items:center;justify-content:space-between;height:82px;gap:20px}
.qj4-logo{display:flex;align-items:center;gap:12px}
.qj4-logo img{height:46px;width:auto}
.qj4-logo__txt{display:none}
.qj4-nav{display:flex;align-items:stretch;height:100%}
.qj4-nav>li>a{display:flex;align-items:center;height:100%;padding:0 19px;font-size:16px;font-weight:600;color:var(--qj4-navy);position:relative}
.qj4-nav>li>a::after{content:"";position:absolute;left:19px;right:19px;bottom:22px;height:2px;background:var(--qj4-amber);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.qj4-nav>li>a:hover::after,.qj4-nav>li.is-on>a::after{transform:scaleX(1)}
.qj4-nav>li.is-on>a{color:var(--qj4-blue)}
.qj4-hdr__tel{display:flex;align-items:center;gap:10px;padding:10px 18px;background:linear-gradient(135deg,var(--qj4-blue),var(--qj4-blue-l));color:#fff;border-radius:4px;font-size:14px;box-shadow:0 6px 16px rgba(26,93,168,.24)}
.qj4-hdr__tel span{font-size:18px;font-weight:700;letter-spacing:.02em}
.qj4-hdr__tel:hover{filter:brightness(1.06)}
.qj4-burger{display:none;width:44px;height:44px;border:1px solid var(--qj4-line);background:#fff;border-radius:4px;position:relative}
.qj4-burger i{position:absolute;left:11px;right:11px;height:2px;background:var(--qj4-navy);transition:.25s}
.qj4-burger i:nth-child(1){top:14px}
.qj4-burger i:nth-child(2){top:21px}
.qj4-burger i:nth-child(3){top:28px}
.qj4-burger.is-open i:nth-child(1){top:21px;transform:rotate(45deg)}
.qj4-burger.is-open i:nth-child(2){opacity:0}
.qj4-burger.is-open i:nth-child(3){top:21px;transform:rotate(-45deg)}

.qj4-hero{position:relative;height:600px;overflow:hidden;background:var(--qj4-navy)}
.qj4-hero__slide{position:absolute;inset:0;opacity:0;transition:opacity .9s ease;background-size:cover;background-position:center}
.qj4-hero__slide.is-on{opacity:1}
.qj4-hero__slide::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,26,48,.9) 0%,rgba(11,33,58,.72) 46%,rgba(11,33,58,.34) 100%)}
.qj4-hero__body{position:relative;z-index:2;height:100%;display:flex;align-items:center}
.qj4-hero__txt{max-width:660px;color:#fff}
.qj4-hero__tag{display:inline-block;font-size:13px;letter-spacing:.18em;color:var(--qj4-amber-l);border-left:3px solid var(--qj4-amber);padding-left:12px;margin-bottom:20px;text-transform:uppercase}
.qj4-hero__h1{font-size:52px;line-height:1.24;font-weight:700;letter-spacing:.01em}
.qj4-hero__h1 em{font-style:normal;color:var(--qj4-amber-l)}
.qj4-hero__desc{font-size:17px;line-height:1.9;color:rgba(255,255,255,.86);margin:22px 0 30px;max-width:600px}
.qj4-hero__btns{display:flex;gap:14px;flex-wrap:wrap}
.qj4-btn{display:inline-flex;align-items:center;justify-content:center;height:52px;padding:0 30px;font-size:16px;font-weight:600;border-radius:4px;transition:.25s;border:1px solid transparent}
.qj4-btn--amber{background:var(--qj4-amber);color:#fff;box-shadow:0 10px 22px rgba(232,149,47,.32)}
.qj4-btn--amber:hover{background:#d9871f;transform:translateY(-2px)}
.qj4-btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}
.qj4-btn--ghost:hover{background:rgba(255,255,255,.14)}
.qj4-btn--navy{background:var(--qj4-navy);color:#fff}
.qj4-btn--navy:hover{background:var(--qj4-blue)}
.qj4-hero__dots{position:absolute;left:0;right:0;bottom:34px;z-index:3;display:flex;justify-content:center;gap:10px}
.qj4-hero__dots button{width:34px;height:4px;background:rgba(255,255,255,.34);border:0;cursor:pointer;transition:.25s}
.qj4-hero__dots button.is-on{background:var(--qj4-amber);width:52px}
.qj4-hero__strip{position:relative;z-index:3;margin-top:-58px}
.qj4-hero__strip ul{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;box-shadow:var(--qj4-shadow);border-radius:6px;overflow:hidden}
.qj4-hero__strip li{padding:26px 22px;border-right:1px solid var(--qj4-line);text-align:center}
.qj4-hero__strip li:last-child{border-right:0}
.qj4-hero__strip b{display:block;font-size:30px;color:var(--qj4-blue);font-weight:700;font-family:Georgia,"Times New Roman",serif;letter-spacing:.02em}
.qj4-hero__strip span{font-size:14px;color:var(--qj4-gray)}

.qj4-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.qj4-stats__item{background:#fff;border:1px solid var(--qj4-line);border-radius:6px;padding:28px 24px;text-align:center;transition:.3s}
.qj4-stats__item:hover{transform:translateY(-4px);box-shadow:var(--qj4-shadow-s);border-color:#c9d8e6}
.qj4-stats__item b{font-size:34px;color:var(--qj4-navy);font-family:Georgia,"Times New Roman",serif}
.qj4-stats__item b u{text-decoration:none;color:var(--qj4-amber);font-size:20px;margin-left:2px}
.qj4-stats__item span{display:block;margin-top:6px;color:var(--qj4-gray);font-size:14px}

.qj4-biz{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.qj4-biz__card{background:#fff;border-radius:8px;overflow:hidden;box-shadow:var(--qj4-shadow-s);transition:.32s;border:1px solid #e8eef5;display:flex;flex-direction:column}
.qj4-biz__card:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(15,45,82,.14)}
.qj4-biz__pic{position:relative;height:196px;overflow:hidden}
.qj4-biz__pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.qj4-biz__card:hover .qj4-biz__pic img{transform:scale(1.07)}
.qj4-biz__no{position:absolute;left:0;top:0;width:46px;height:46px;background:rgba(15,45,82,.86);color:#fff;font-size:14px;display:flex;align-items:center;justify-content:center;font-family:Georgia,serif;letter-spacing:.04em}
.qj4-biz__in{padding:24px 22px 26px;flex:1;display:flex;flex-direction:column}
.qj4-biz__in h3{font-size:19px;color:var(--qj4-navy);margin-bottom:10px}
.qj4-biz__in p{font-size:14px;color:var(--qj4-gray);line-height:1.85;flex:1}
.qj4-biz__more{margin-top:16px;font-size:14px;color:var(--qj4-blue);font-weight:600}
.qj4-biz__more::after{content:"→";margin-left:6px}
.qj4-biz__card:hover .qj4-biz__more{color:var(--qj4-amber)}

.qj4-svc{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.qj4-svc__col{background:#fff;border:1px solid var(--qj4-line);border-radius:6px;padding:26px 22px}
.qj4-svc__col h4{font-size:17px;color:var(--qj4-navy);padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--qj4-line);position:relative}
.qj4-svc__col h4::before{content:"";position:absolute;left:0;bottom:-1px;width:38px;height:2px;background:var(--qj4-amber)}
.qj4-svc__col li{font-size:14px;color:var(--qj4-gray);padding:7px 0;border-bottom:1px dashed #edf2f7}
.qj4-svc__col li:last-child{border-bottom:0}
.qj4-svc__col li a{display:flex;justify-content:space-between;gap:8px}
.qj4-svc__col li a:hover{color:var(--qj4-blue)}
.qj4-svc__col li span{color:#b9c4cf}

.qj4-sol{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.qj4-sol__item{position:relative;height:250px;border-radius:8px;overflow:hidden;box-shadow:var(--qj4-shadow-s)}
.qj4-sol__item img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.qj4-sol__item:hover img{transform:scale(1.06)}
.qj4-sol__item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,31,58,.06) 0%,rgba(10,31,58,.88) 100%)}
.qj4-sol__txt{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:22px 24px;color:#fff}
.qj4-sol__txt h4{font-size:18px;margin-bottom:6px}
.qj4-sol__txt p{font-size:13px;color:rgba(255,255,255,.8);line-height:1.7}

.qj4-tabs{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.qj4-tabs button{height:44px;padding:0 24px;border:1px solid var(--qj4-line);background:#fff;color:var(--qj4-navy);font-size:15px;border-radius:4px;cursor:pointer;transition:.22s}
.qj4-tabs button:hover{border-color:var(--qj4-blue-l);color:var(--qj4-blue)}
.qj4-tabs button.is-on{background:var(--qj4-navy);border-color:var(--qj4-navy);color:#fff}
.qj4-case{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.qj4-case__item{background:#fff;border-radius:8px;overflow:hidden;border:1px solid #e6edf4;transition:.3s;display:none}
.qj4-case__item.is-show{display:block}
.qj4-case__item:hover{box-shadow:var(--qj4-shadow);transform:translateY(-5px)}
.qj4-case__pic{height:200px;overflow:hidden}
.qj4-case__pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.qj4-case__item:hover .qj4-case__pic img{transform:scale(1.06)}
.qj4-case__in{padding:20px 22px 24px}
.qj4-case__in h4{font-size:17px;color:var(--qj4-navy);margin-bottom:8px}
.qj4-case__meta{font-size:13px;color:var(--qj4-amber);margin-bottom:10px}
.qj4-case__in p{font-size:14px;color:var(--qj4-gray);line-height:1.8}

.qj4-adv{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.qj4-adv__item{background:#fff;border-radius:8px;padding:30px 28px;border:1px solid #e6edf4;position:relative;overflow:hidden;transition:.3s}
.qj4-adv__item:hover{box-shadow:var(--qj4-shadow-s);transform:translateY(-3px)}
.qj4-adv__no{font-family:Georgia,serif;font-size:46px;color:#e7eef6;position:absolute;right:18px;top:10px;line-height:1}
.qj4-adv__item h4{font-size:19px;color:var(--qj4-navy);margin-bottom:10px;position:relative}
.qj4-adv__item h4::before{content:"";display:inline-block;width:6px;height:6px;background:var(--qj4-amber);margin-right:9px;vertical-align:middle;transform:rotate(45deg)}
.qj4-adv__item p{font-size:14px;color:var(--qj4-gray);line-height:1.9;position:relative}

.qj4-flow{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;counter-reset:qj4flow}
.qj4-flow__step{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:6px;padding:26px 16px;text-align:center;transition:.28s}
.qj4-flow__step:hover{background:rgba(255,255,255,.14);transform:translateY(-4px)}
.qj4-flow__step b{display:block;font-family:Georgia,serif;font-size:15px;color:var(--qj4-amber-l);margin-bottom:10px;letter-spacing:.06em}
.qj4-flow__step h4{font-size:16px;margin-bottom:8px}
.qj4-flow__step p{font-size:12.5px;color:rgba(255,255,255,.7);line-height:1.7}

.qj4-about{display:grid;grid-template-columns:1.05fr 1fr;gap:46px;align-items:center}
.qj4-about__pic{position:relative;border-radius:8px;overflow:hidden;box-shadow:var(--qj4-shadow)}
.qj4-about__pic img{width:100%;height:390px;object-fit:cover}
.qj4-about__badge{position:absolute;left:0;bottom:0;background:var(--qj4-amber);color:#fff;padding:16px 22px;font-size:14px;line-height:1.5}
.qj4-about__badge b{display:block;font-size:26px;font-family:Georgia,serif}
.qj4-about__txt h3{font-size:28px;color:var(--qj4-navy);margin-bottom:16px}
.qj4-about__txt>p{font-size:15px;color:#39485c;line-height:2;margin-bottom:14px}
.qj4-about__list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:20px 0 24px}
.qj4-about__list li{font-size:14px;color:var(--qj4-gray);padding-left:16px;position:relative}
.qj4-about__list li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;background:var(--qj4-blue-l);transform:rotate(45deg)}

.qj4-clients{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.qj4-clients li{background:#fff;border:1px solid var(--qj4-line);border-radius:4px;padding:20px 12px;text-align:center;transition:.25s}
.qj4-clients li:hover{border-color:var(--qj4-blue-l);box-shadow:var(--qj4-shadow-s)}
.qj4-clients li b{display:block;font-size:14.5px;color:var(--qj4-navy);font-weight:600;margin-bottom:4px}
.qj4-clients li span{font-size:12px;color:#93a1b1}

.qj4-news{display:grid;grid-template-columns:1.15fr 1fr;gap:28px}
.qj4-news__lead{background:#fff;border-radius:8px;overflow:hidden;border:1px solid #e6edf4;display:flex;flex-direction:column}
.qj4-news__lead img{width:100%;height:270px;object-fit:cover}
.qj4-news__leadin{padding:24px 26px 28px}
.qj4-news__date{font-size:13px;color:#94a2b2;letter-spacing:.04em}
.qj4-news__leadin h3{font-size:21px;color:var(--qj4-navy);margin:8px 0 10px;line-height:1.55}
.qj4-news__leadin p{font-size:14px;color:var(--qj4-gray);line-height:1.85}
.qj4-news__list{display:flex;flex-direction:column;gap:12px}
.qj4-news__row{display:flex;gap:16px;background:#fff;border:1px solid #e6edf4;border-radius:6px;padding:14px;transition:.25s}
.qj4-news__row:hover{border-color:#c6d7e6;box-shadow:var(--qj4-shadow-s)}
.qj4-news__row img{width:104px;height:78px;object-fit:cover;border-radius:4px;flex:0 0 auto}
.qj4-news__rowin{flex:1;min-width:0}
.qj4-news__rowin h4{font-size:15.5px;color:var(--qj4-navy);line-height:1.55;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.qj4-news__rowin span{font-size:12.5px;color:#94a2b2}

.qj4-faq{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.qj4-faq__item{background:#fff;border:1px solid var(--qj4-line);border-radius:6px;overflow:hidden}
.qj4-faq__q{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:18px 20px;cursor:pointer;font-size:15.5px;font-weight:600;color:var(--qj4-navy)}
.qj4-faq__q i{flex:0 0 auto;width:18px;height:18px;position:relative;transition:.25s}
.qj4-faq__q i::before,.qj4-faq__q i::after{content:"";position:absolute;background:var(--qj4-amber);transition:.25s}
.qj4-faq__q i::before{left:0;top:8px;width:18px;height:2px}
.qj4-faq__q i::after{left:8px;top:0;width:2px;height:18px}
.qj4-faq__item.is-open .qj4-faq__q i::after{transform:scaleY(0)}
.qj4-faq__a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.qj4-faq__a p{font-size:14px;color:var(--qj4-gray);line-height:1.9;padding:0 20px 20px}

.qj4-cta{background:linear-gradient(120deg,#e8952f,#f3b459);color:#fff;padding:44px 0}
.qj4-cta__in{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.qj4-cta__txt h3{font-size:27px;margin-bottom:8px}
.qj4-cta__txt p{font-size:14.5px;color:rgba(255,255,255,.9)}
.qj4-cta__btn{display:inline-flex;align-items:center;height:54px;padding:0 34px;background:#fff;color:#d9871f;font-weight:700;font-size:17px;border-radius:4px}
.qj4-cta__btn:hover{background:rgba(255,255,255,.9)}

.qj4-ft{background:var(--qj4-navy-d);color:rgba(255,255,255,.66);padding:56px 0 0;font-size:13.5px}
.qj4-ft__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.qj4-ft__brand img{height:42px;margin-bottom:16px}
.qj4-ft__brand p{line-height:1.9}
.qj4-ft__col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.qj4-ft__col li{margin-bottom:9px}
.qj4-ft__col li a:hover{color:var(--qj4-amber-l)}
.qj4-ft__col li b{color:rgba(255,255,255,.9);font-weight:400}
.qj4-ft__tel{font-size:22px;color:#fff;font-family:Georgia,serif;letter-spacing:.03em;margin-bottom:6px}
.qj4-ft__bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0;font-size:12.5px;color:rgba(255,255,255,.5)}
.qj4-ft__bot a:hover{color:#fff}

.qj4-sub{position:relative;height:300px;overflow:hidden;background:var(--qj4-navy)}
.qj4-sub__bg{position:absolute;inset:0;object-fit:cover;width:100%;height:100%}
.qj4-sub::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,26,48,.92),rgba(11,33,58,.62));z-index:1}
.qj4-sub__in{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;color:#fff}
.qj4-sub__crumb{font-size:13px;color:rgba(255,255,255,.7);margin-bottom:12px}
.qj4-sub__crumb a:hover{color:#fff}
.qj4-sub__crumb i{font-style:normal;margin:0 7px;color:rgba(255,255,255,.4)}
.qj4-sub h1{font-size:34px;font-weight:700;letter-spacing:.02em}
.qj4-sub p{font-size:14.5px;color:rgba(255,255,255,.78);margin-top:10px;max-width:760px;line-height:1.8}

.qj4-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--qj4-gray);padding:16px 0;border-bottom:1px solid var(--qj4-line)}
.qj4-crumb a:hover{color:var(--qj4-blue)}
.qj4-two{display:grid;grid-template-columns:1fr 300px;gap:38px;align-items:start}
.qj4-side{background:#fff;border:1px solid var(--qj4-line);border-radius:6px;overflow:hidden}
.qj4-side h4{background:var(--qj4-navy);color:#fff;font-size:16px;padding:16px 20px;font-weight:600}
.qj4-side li a{display:block;padding:13px 20px;font-size:14.5px;color:#40546b;border-bottom:1px solid #f0f4f8;transition:.2s}
.qj4-side li a:hover,.qj4-side li a.is-on{background:#f2f7fc;color:var(--qj4-blue);padding-left:26px}
.qj4-side__cta{margin-top:18px;background:var(--qj4-bg);padding:22px 20px;border-radius:6px;text-align:center}
.qj4-side__cta b{display:block;font-size:19px;color:var(--qj4-navy);font-family:Georgia,serif;margin-bottom:6px}
.qj4-side__cta p{font-size:13px;color:var(--qj4-gray);margin-bottom:12px}
.qj4-side__cta a{display:block;background:var(--qj4-amber);color:#fff;height:40px;line-height:40px;border-radius:4px;font-size:14px;font-weight:600}

.qj4-art h2{font-size:24px;color:var(--qj4-navy);margin:30px 0 14px;padding-left:14px;border-left:4px solid var(--qj4-amber)}
.qj4-art h3{font-size:19px;color:var(--qj4-navy);margin:24px 0 10px}
.qj4-art p{font-size:15.5px;color:#39485c;line-height:2;margin-bottom:16px}
.qj4-art ul{margin:0 0 18px}
.qj4-art ul li{font-size:15px;color:#39485c;line-height:1.95;padding-left:20px;position:relative;margin-bottom:8px}
.qj4-art ul li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;background:var(--qj4-blue-l);transform:rotate(45deg)}
.qj4-art img{width:100%;border-radius:8px;margin:20px 0}
.qj4-art table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.qj4-art table th,.qj4-art table td{border:1px solid var(--qj4-line);padding:12px 14px;text-align:left}
.qj4-art table th{background:#f1f6fb;color:var(--qj4-navy);font-weight:600}
.qj4-quote{background:#f6f9fc;border-left:4px solid var(--qj4-blue-l);padding:18px 22px;font-size:14.5px;color:#40546b;line-height:1.9;margin:20px 0}

.qj4-pcard{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.qj4-pcard__item{background:#fff;border:1px solid #e6edf4;border-radius:8px;overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.qj4-pcard__item:hover{box-shadow:var(--qj4-shadow);transform:translateY(-6px)}
.qj4-pcard__item img{width:100%;height:190px;object-fit:cover}
.qj4-pcard__in{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.qj4-pcard__in h3{font-size:17.5px;color:var(--qj4-navy);margin-bottom:8px}
.qj4-pcard__in p{font-size:14px;color:var(--qj4-gray);line-height:1.8;flex:1}
.qj4-pcard__in a{margin-top:14px;font-size:13.5px;color:var(--qj4-blue);font-weight:600}
.qj4-pcard__in a:hover{color:var(--qj4-amber)}

.qj4-spec{width:100%;border-collapse:collapse;font-size:14px;margin:16px 0 24px}
.qj4-spec th,.qj4-spec td{border:1px solid var(--qj4-line);padding:12px 14px;text-align:left;vertical-align:top}
.qj4-spec th{width:150px;background:#f1f6fb;color:var(--qj4-navy);font-weight:600}

.qj4-listpage .qj4-news__row{margin-bottom:16px;padding:18px}
.qj4-listpage .qj4-news__row img{width:190px;height:126px}
.qj4-listpage .qj4-news__rowin h4{font-size:17px;-webkit-line-clamp:1;margin-bottom:8px}
.qj4-listpage .qj4-news__rowin p{font-size:13.5px;color:var(--qj4-gray);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.qj4-page{display:flex;justify-content:center;gap:8px;margin-top:32px}
.qj4-page a,.qj4-page span{min-width:38px;height:38px;line-height:36px;text-align:center;border:1px solid var(--qj4-line);background:#fff;border-radius:4px;font-size:14px;color:#40546b}
.qj4-page span{background:var(--qj4-blue);border-color:var(--qj4-blue);color:#fff}
.qj4-page a:hover{border-color:var(--qj4-blue);color:var(--qj4-blue)}

.qj4-contact{display:grid;grid-template-columns:1fr 1.15fr;gap:36px}
.qj4-contact__info dl{display:grid;grid-template-columns:88px 1fr;gap:6px 12px;font-size:14.5px;margin-top:8px}
.qj4-contact__info dt{color:#8b99a9}
.qj4-contact__info dd{color:#243346;font-weight:600}
.qj4-contact__info h3{font-size:22px;color:var(--qj4-navy);margin-bottom:10px}
.qj4-form{background:#fff;border:1px solid var(--qj4-line);border-radius:8px;padding:28px}
.qj4-form h3{font-size:19px;color:var(--qj4-navy);margin-bottom:6px}
.qj4-form p{font-size:13px;color:var(--qj4-gray);margin-bottom:18px}
.qj4-form__row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.qj4-form input,.qj4-form textarea,.qj4-form select{width:100%;border:1px solid var(--qj4-line);background:#fbfcfe;padding:12px 14px;font-size:14px;border-radius:4px;margin-bottom:14px;outline:0;color:#243346}
.qj4-form input:focus,.qj4-form textarea:focus,.qj4-form select:focus{border-color:var(--qj4-blue-l);background:#fff}
.qj4-form textarea{min-height:118px;resize:vertical}
.qj4-form button{width:100%;height:50px;border:0;background:var(--qj4-navy);color:#fff;font-size:16px;font-weight:600;border-radius:4px;cursor:pointer}
.qj4-form button:hover{background:var(--qj4-blue)}

.qj4-404{text-align:center;padding:90px 0 100px}
.qj4-404 b{display:block;font-size:110px;font-family:Georgia,serif;color:var(--qj4-navy);letter-spacing:.06em;line-height:1.1}
.qj4-404 h1{font-size:26px;color:var(--qj4-navy);margin:12px 0 12px}
.qj4-404 p{font-size:15px;color:var(--qj4-gray);margin-bottom:26px}
.qj4-404__links{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.qj4-404__nav{margin-top:40px;font-size:14px;color:#8b99a9}
.qj4-404__nav a{color:var(--qj4-blue);margin:0 8px}

@media (max-width:1080px){
.qj4-biz,.qj4-svc,.qj4-stats{grid-template-columns:repeat(2,1fr)}
.qj4-hero__strip ul{grid-template-columns:repeat(2,1fr)}
.qj4-hero__strip li:nth-child(2){border-right:0}
.qj4-hero__h1{font-size:40px}
.qj4-flow{grid-template-columns:repeat(3,1fr)}
.qj4-clients{grid-template-columns:repeat(3,1fr)}
.qj4-sol,.qj4-case,.qj4-pcard{grid-template-columns:repeat(2,1fr)}
.qj4-two{grid-template-columns:1fr}
.qj4-about{grid-template-columns:1fr;gap:30px}
}
@media (max-width:900px){
.qj4-hdr__in{height:66px}
.qj4-logo img{height:38px}
.qj4-nav{display:none}
.qj4-hdr__tel{display:none}
.qj4-burger{display:block}
.qj4-nav.is-open{display:flex;position:absolute;left:0;right:0;top:66px;background:#fff;flex-direction:column;height:auto;box-shadow:0 12px 24px rgba(15,45,82,.12);padding:8px 0;max-height:78vh;overflow:auto}
.qj4-nav.is-open>li>a{height:48px;padding:0 22px;font-size:15px;border-bottom:1px solid #f1f5f9}
.qj4-nav.is-open>li>a::after{display:none}
.qj4-hero{height:auto;padding-bottom:0}
.qj4-hero__body{padding:80px 0 90px}
.qj4-hero__h1{font-size:30px}
.qj4-hero__desc{font-size:15px}
.qj4-hero__tag{font-size:12px}
.qj4-hero__strip{margin-top:-40px}
.qj4-sec{padding:48px 0}
.qj4-head{margin-bottom:32px}
.qj4-head__cn{font-size:24px}
.qj4-news{grid-template-columns:1fr}
.qj4-adv{grid-template-columns:1fr}
.qj4-faq{grid-template-columns:1fr}
.qj4-contact{grid-template-columns:1fr}
.qj4-ft__top{grid-template-columns:1fr 1fr;gap:24px}
.qj4-cta__in{flex-direction:column;align-items:flex-start}
.qj4-sub{height:220px}
.qj4-sub h1{font-size:24px}
.qj4-sub p{font-size:13.5px}
.qj4-listpage .qj4-news__row img{width:120px;height:88px}
.qj4-404 b{font-size:70px}
.qj4-stats__item b{font-size:26px}
.qj4-flow{grid-template-columns:repeat(2,1fr)}
.qj4-biz,.qj4-svc,.qj4-sol,.qj4-case,.qj4-pcard{grid-template-columns:1fr}
.qj4-form__row{grid-template-columns:1fr}
.qj4-about__pic img{height:250px}
.qj4-about__txt h3{font-size:22px}
.qj4-clients{grid-template-columns:repeat(2,1fr)}
.qj4-hero__strip li{padding:18px 12px}
.qj4-hero__strip b{font-size:22px}
.qj4-art table,.qj4-spec{font-size:13px}
.qj4-spec th{width:96px}
}
@media (max-width:560px){
.qj4-hero__h1{font-size:25px}
.qj4-btn{height:46px;padding:0 20px;font-size:14.5px}
.qj4-hero__btns{gap:10px}
.qj4-ft__top{grid-template-columns:1fr}
.qj4-news__row img{width:96px;height:72px}
.qj4-listpage .qj4-news__row{flex-direction:column}
.qj4-listpage .qj4-news__row img{width:100%;height:160px}
.qj4-404 b{font-size:56px}
.qj4-topbar{display:none}
.qj4-hdr__in{height:60px}
.qj4-nav.is-open{top:60px}
}

.qj4-rel { margin-top: 40px; padding-top: 26px; border-top: 1px solid #e2e7ee; }
.qj4-rel h3 { font-size: 18px; color: #0f2d52; margin: 0 0 14px; }
.qj4-rel ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; }
.qj4-rel ul li a { color: #4a5a6d; font-size: 14px; line-height: 1.7; display: block; }
.qj4-rel ul li a:hover { color: #e8952f; }
.qj4-news__rowin p { color: #6b7a8c; font-size: 13px; line-height: 1.7; margin: 6px 0 10px; }
@media (max-width: 760px) { .qj4-rel ul { grid-template-columns: 1fr; } }