*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","微软雅黑",sans-serif;color:#333;background:#fff}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%}
.wrap{width:70%;margin:0 auto}
@media(max-width:1200px){.wrap{width:88%}}

/* ===== header ===== */
.header{position:sticky;top:0;z-index:999;height:70px;background-color:rgba(0,0,0,.85);
  display:flex;align-items:center;justify-content:center;padding:0 15px;transition:background-color .5s}
.header .logo{width:40%;box-sizing:border-box}
.header .logo img{width:220px;display:block}
.header .logo a{display:flex;align-items:center}
.header-menu{width:60%;display:flex;justify-content:flex-end;gap:6px}
.header-menu a{color:#fff;font-size:17px;padding:25px 14px;display:block;transition:color .2s}
.header-menu a:hover,.header-menu a.active{color:#1992e0}
.menu-btn{display:none;color:#fff;font-size:26px;background:none;border:none;cursor:pointer}
@media(max-width:900px){
  .header{justify-content:space-between}
  .header .logo img{width:170px}
  .menu-btn{display:block}
  .header-menu{display:none;position:absolute;top:70px;left:0;width:100%;
    background:rgba(0,0,0,.92);flex-direction:column;padding:10px 0}
  .header-menu.open{display:flex}
  .header-menu a{padding:12px 24px}
}

/* ===== home banner ===== */
.home-banner{position:relative;height:calc(100vh - 70px);min-height:480px;
  background:url("../img/banner.jpg") center/cover fixed no-repeat;
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.home-banner .mask{position:absolute;inset:0;background:rgba(0,0,0,.4)}
.home-banner h1{position:relative;color:#fff;font-size:44px;letter-spacing:4px;font-weight:700;margin-bottom:28px}
.home-banner p{position:relative;color:#fff;font-size:20px;letter-spacing:1px;line-height:38px;max-width:860px;padding:0 20px}
.home-banner .btn{position:relative;margin-top:40px;display:inline-block;border:1px solid #fff;color:#fff;
  padding:12px 44px;font-size:17px;letter-spacing:2px;border-radius:2px;transition:.3s}
.home-banner .btn:hover{background:#1992e0;border-color:#1992e0}
@media(max-width:768px){.home-banner h1{font-size:30px}.home-banner p{font-size:16px;line-height:30px}}

/* ===== sections ===== */
.section{padding:60px 0;text-align:center}
.section.bg{background:#eef6ff}
.section-title{color:#303030;font-size:32px;font-weight:700;padding-bottom:14px}
.section-sub{color:#606060;font-size:16px;padding-bottom:34px}
@media(max-width:768px){.section-title{font-size:25px}}

/* stats */
.stats{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.stat .num{color:#1992e0;font-size:30px;font-weight:700}
.stat .num small{font-size:16px}
.stat .lbl{color:#606060;font-size:15px;margin-top:8px}
@media(max-width:900px){.stats{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.stats{grid-template-columns:repeat(2,1fr)}}

/* cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{background:#fff;border:1px solid #e8eef5;border-radius:8px;padding:34px 22px;transition:.3s}
.card:hover{box-shadow:0 8px 24px rgba(25,146,224,.15);transform:translateY(-4px)}
.card .icon{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:#1992e0;color:#fff;
  font-size:26px;display:flex;align-items:center;justify-content:center}
.card h3{font-size:19px;color:#303030;margin-bottom:12px}
.card p{font-size:14px;color:#606060;line-height:24px;text-align:left}
@media(max-width:1000px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.cards{grid-template-columns:1fr}}

/* scenes */
.scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene{background:#fff;border-radius:8px;padding:30px 24px;text-align:left;border:1px solid #e8eef5;transition:.3s}
.scene:hover{box-shadow:0 8px 24px rgba(25,146,224,.15)}
.scene h3{font-size:18px;color:#1992e0;margin-bottom:10px}
.scene p{font-size:14px;color:#606060;line-height:24px}
.scene .tag{display:inline-block;margin-top:14px;font-size:13px;color:#1992e0;background:#eef6ff;
  padding:4px 12px;border-radius:20px}
@media(max-width:900px){.scenes{grid-template-columns:1fr}}

/* split block */
.split{display:flex;align-items:center;gap:50px;text-align:left}
.split .txt{flex:1}
.split .txt p{color:#606060;font-size:16px;line-height:30px;margin-bottom:14px}
.split .pic{flex:1}
.split .pic img{border-radius:8px}
@media(max-width:900px){.split{flex-direction:column}}

/* cert slider */
.cert-row{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:10px 4px 20px;scrollbar-width:none}
.cert-row::-webkit-scrollbar{display:none}
.cert{flex:0 0 260px;scroll-snap-align:start;background:#fff;border-radius:8px;padding:12px;
  border:1px solid #e8eef5}
.cert img{width:100%;height:190px;object-fit:contain}
.cert .cap{font-size:14px;color:#606060;padding-top:10px;text-align:center}
.cert-nav{display:flex;justify-content:center;gap:16px;margin-top:6px}
.cert-nav button{border:1px solid #1992e0;background:#fff;color:#1992e0;width:38px;height:38px;
  border-radius:50%;font-size:18px;cursor:pointer;transition:.2s}
.cert-nav button:hover{background:#1992e0;color:#fff}

/* news preview */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-item{background:#fff;border:1px solid #e8eef5;border-radius:8px;padding:26px 22px;text-align:left;transition:.3s;display:block}
.news-item:hover{box-shadow:0 8px 24px rgba(25,146,224,.15)}
.news-item .cat{font-size:13px;color:#1992e0}
.news-item h3{font-size:17px;color:#303030;margin:10px 0;line-height:26px}
.news-item p{font-size:13px;color:#909090;line-height:22px}
.news-item .date{margin-top:14px;font-size:13px;color:#b0b0b0;display:block}
@media(max-width:900px){.news-grid{grid-template-columns:1fr}}

/* page header (sub pages) */
.page-header{height:260px;background:url("../img/page-header-bg.png") center/cover no-repeat;
  display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative}
.page-header:before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.35)}
.page-header h1{position:relative;color:#fff;font-size:36px;letter-spacing:4px}
.page-header p{position:relative;color:#fffc;font-size:15px;margin-top:14px;letter-spacing:1px}

/* article list */
.tabs{display:flex;justify-content:center;gap:10px;margin-bottom:36px}
.tabs button{border:1px solid #d9e6f2;background:#fff;color:#606060;font-size:16px;
  padding:9px 30px;border-radius:24px;cursor:pointer;transition:.2s;font-family:inherit}
.tabs button.active,.tabs button:hover{background:#1992e0;border-color:#1992e0;color:#fff}
.article-item{border-bottom:1px solid #e1e1e1;padding:22px 6px;text-align:left;display:block;transition:.2s}
.article-item:hover h3{color:#1992e0}
.article-item h3{font-size:18px;color:#303030;display:flex;align-items:center;gap:10px}
.article-item h3 .top-tag{background:#e64545;color:#fff;font-size:12px;padding:2px 8px;border-radius:3px}
.article-item p{color:#909090;font-size:14px;line-height:24px;margin-top:8px}
.article-item .meta{color:#b0b0b0;font-size:13px;margin-top:10px}

/* article detail */
.article-detail{max-width:860px;margin:0 auto;text-align:left}
.article-detail h1{font-size:26px;color:#303030;line-height:40px}
.article-detail .meta{color:#909090;font-size:14px;margin:16px 0 30px;border-bottom:1px solid #e8eef5;padding-bottom:20px}
.article-detail p{font-size:16px;color:#404040;line-height:32px;margin-bottom:18px;text-indent:2em}
.article-detail .back{display:inline-block;margin-top:26px;color:#1992e0;border:1px solid #1992e0;
  padding:8px 26px;border-radius:4px;font-size:15px}

/* timeline */
.timeline{max-width:860px;margin:0 auto;text-align:left;position:relative;padding-left:30px}
.timeline:before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:#cee0fa}
.tl-item{position:relative;padding:0 0 30px 26px}
.tl-item:before{content:"";position:absolute;left:-28px;top:6px;width:14px;height:14px;border-radius:50%;
  background:#1992e0;border:3px solid #eef6ff}
.tl-item .year{font-size:20px;font-weight:700;color:#1992e0}
.tl-item p{font-size:15px;color:#606060;line-height:26px;margin-top:6px}

/* jobs */
.job-cat{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.job{border:1px solid #e8eef5;border-radius:8px;padding:28px;text-align:left;margin-bottom:22px;background:#fff}
.job h3{font-size:19px;color:#303030;display:flex;gap:10px;align-items:center}
.job .hot{background:#e64545;color:#fff;font-size:12px;padding:2px 8px;border-radius:3px}
.job .cat-tag{background:#eef6ff;color:#1992e0;font-size:12px;padding:2px 8px;border-radius:3px}
.job .addr{color:#909090;font-size:14px;margin:8px 0 16px}
.job h4{font-size:15px;color:#303030;margin:14px 0 8px}
.job li{font-size:14px;color:#606060;line-height:26px;list-style:decimal inside}
.job .note{margin-top:12px;font-size:14px;color:#606060}
.job .apply{margin-top:14px;font-size:14px;color:#1992e0}

/* contact */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.contact-card{background:#fff;border:1px solid #e8eef5;border-radius:8px;padding:34px 20px}
.contact-card .ic{font-size:30px;color:#1992e0}
.contact-card h3{font-size:17px;margin:14px 0 10px;color:#303030}
.contact-card p{font-size:15px;color:#606060;line-height:26px}
@media(max-width:900px){.contact-cards{grid-template-columns:1fr}}
#map{height:420px;border-radius:8px;overflow:hidden;border:1px solid #e8eef5;position:relative}
#map .map-fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:#eef6ff;color:#606060;font-size:15px;text-align:center;line-height:28px;padding:20px}

/* life page */
.life-phones{display:flex;justify-content:center;gap:40px;flex-wrap:wrap}
.life-phones img{width:230px;border-radius:18px;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.flow{display:flex;justify-content:center;align-items:center;gap:0;flex-wrap:wrap}
.flow .step{background:#1992e0;color:#fff;border-radius:8px;padding:16px 22px;font-size:15px;min-width:130px}
.flow .arr{color:#1992e0;font-size:22px;padding:0 12px}
.life-tags{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.life-tags span{background:#fff;border:1px solid #cee0fa;color:#1992e0;font-size:16px;
  padding:12px 30px;border-radius:30px}

/* office photos */
.photos{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.photos img{border-radius:8px;height:230px;width:100%;object-fit:cover}
@media(max-width:900px){.photos{grid-template-columns:1fr}.photos img{height:auto}}

/* footer */
.footer{background-color:rgba(0,0,0,.85);color:#fff;text-align:center}
.footer .qr{display:flex;justify-content:center;gap:60px;padding:44px 0 30px;flex-wrap:wrap}
.footer .qr .item{display:flex;flex-direction:column;align-items:center;gap:10px;font-size:15px}
.footer .qr img{width:110px;height:110px;border-radius:6px;background:#fff;padding:4px}
.footer .info{font-size:14px;color:#cfcfcf;line-height:26px;padding-bottom:10px}
.footer .beian{border-top:1px solid #ffffff22;padding:18px 0 22px;font-size:13px;color:#a0a0a0;line-height:24px}
.footer .beian a{color:#a0a0a0}
.footer .beian a:hover{color:#1992e0}

/* back to top */
#backtop{position:fixed;right:26px;bottom:60px;width:44px;height:44px;border-radius:50%;
  background:#1992e0;color:#fff;border:none;font-size:20px;cursor:pointer;display:none;z-index:998}