:root{
  --brand:#1b6ef5;--brand-2:#00c2a8;--ink:#1d2433;--ink-2:#5b6577;--line:#e8ebf2;
  --bg:#fff;--bg-alt:#f5f8fd;--radius:14px;--shadow:0 8px 24px rgba(20,40,80,.07);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.center{text-align:center;margin-top:36px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(150%) blur(8px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:28px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700}
.logo-svg{width:36px;height:36px;flex:0 0 auto}
.logo-text{font-size:18px;letter-spacing:.5px}
.nav{display:flex;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav-item{padding:8px 14px;border-radius:8px;font-size:15px;color:var(--ink-2);transition:.2s}
.nav-item:hover{color:var(--brand);background:var(--bg-alt)}
.nav-item.active{color:var(--brand);font-weight:600}
.header-cta{padding:9px 18px;font-size:14px}

/* buttons */
.btn{display:inline-block;padding:12px 26px;border-radius:999px;font-size:15px;border:1px solid transparent;cursor:pointer;transition:.2s}
.btn-primary{background:linear-gradient(135deg,var(--brand),#3f8bff);color:#fff;box-shadow:0 6px 18px rgba(27,110,245,.28)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-line{border-color:var(--brand);color:var(--brand);background:#fff}
.btn-line:hover{background:var(--brand);color:#fff}
.btn-light{background:#fff;color:var(--brand)}
.full{width:100%;text-align:center}
.link-arrow{display:inline-block;color:var(--brand);font-weight:600}
.link-arrow::after{content:" →"}

/* hero */
.hero{background:radial-gradient(1100px 520px at 88% -10%,#e6f0ff 0%,transparent 60%),linear-gradient(180deg,#fbfcff,#fff);padding:76px 0 70px;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badge{display:inline-block;padding:6px 14px;border-radius:999px;background:#eaf2ff;color:var(--brand);font-size:13px;margin:0 0 18px}
.hero h1{font-size:44px;letter-spacing:1px}
.hero-sub{font-size:26px;color:var(--ink);font-weight:600}
.hero-note{color:var(--ink-2);font-size:17px;margin:14px 0 26px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-metrics{display:flex;gap:40px;margin-top:38px;padding-top:24px;border-top:1px dashed var(--line)}
.hero-metrics li strong{display:block;font-size:26px;color:var(--brand)}
.hero-metrics li span{font-size:13px;color:var(--ink-2)}
.hero-art{position:relative;height:360px}
.blob{position:absolute;border-radius:50%;filter:blur(1px);opacity:.85}
.b1{width:250px;height:250px;background:linear-gradient(135deg,#dbe9ff,#eafaf6);top:20px;left:40px}
.b2{width:150px;height:150px;background:linear-gradient(135deg,#d7f5ee,#e9f2ff);bottom:20px;right:30px}
.b3{width:80px;height:80px;background:linear-gradient(135deg,#ffe9d2,#eaf2ff);top:0;right:80px}
.hero-card{position:absolute;padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);font-size:14px;display:flex;align-items:center;gap:9px}
.hc1{top:40px;left:20px}.hc2{top:140px;right:10px}.hc3{bottom:90px;left:60px}.hc4{bottom:14px;right:70px}
.hc-dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2))}

/* section */
.section{padding:78px 0}
.section.alt{background:var(--bg-alt)}
.section-head{text-align:center;margin-bottom:46px}
.kicker{font-size:12px;letter-spacing:3px;color:var(--brand-2);text-transform:uppercase;margin:0}
.section-head h2{font-size:31px;margin-top:8px}
.head-note{color:var(--ink-2);margin:10px auto 0;max-width:640px}
.head-inner{display:inline-block}
.h-inline{font-size:26px;margin-bottom:14px}
.lead{font-size:17px;color:var(--ink-2)}

/* grids */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:.25s}
.card:hover{transform:translateY(-4px);border-color:#cfe0ff}
.alt .card{background:#fff}
.adv-card .adv-index{font-size:26px;font-weight:700;color:#cddcf7}
.adv-card h3{font-size:18px;margin:8px 0 8px}
.adv-card p,.sol-desc,.case-info p{color:var(--ink-2);font-size:14.5px;margin:0}

/* solutions */
.sol-icon{width:52px;height:52px;color:var(--brand);margin-bottom:14px}
.sol-icon svg{width:100%;height:100%}
.sol-card h3{font-size:19px;margin-bottom:8px}
.sol-points{margin:16px 0;font-size:14px;color:var(--ink-2)}
.sol-points li{padding-left:14px;position:relative;margin-bottom:5px}
.sol-points li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--brand-2)}
.block-visual{background:linear-gradient(135deg,#eef4ff,#eafaf5);border-radius:var(--radius);min-height:320px;display:flex;align-items:center;justify-content:center}
.sol-icon.big{width:150px;height:150px}
.block-no{color:var(--brand);font-size:13px;letter-spacing:2px;margin:0 0 6px}
.check-list{margin:18px 0 22px}
.check-list li{margin-bottom:9px;font-size:15.5px}
.check{display:inline-block;width:22px;height:22px;border-radius:50%;background:#eaf2ff;color:var(--brand);text-align:center;font-size:13px;margin-right:9px;line-height:22px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.two-col.rev>div:first-child{order:2}

/* cases */
.case-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.case-thumb{height:170px;background:linear-gradient(135deg,#e8f0ff,#e6faf5);color:#a9c3ee;display:flex;align-items:center;justify-content:center}
.case-thumb svg{width:52px;height:52px}
.case-info{padding:20px 22px 24px}
.case-info h3{font-size:17px;margin:9px 0 8px}
.tag{display:inline-block;padding:3px 10px;border-radius:6px;background:#eef4ff;color:var(--brand);font-size:12px}

/* process */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative}
.step-no{font-size:13px;color:var(--brand-2);letter-spacing:2px}
.step h4{font-size:17px;margin:8px 0 6px}
.step p{font-size:14px;color:var(--ink-2);margin:0}

/* news */
.news-col{padding:22px 24px}
.news-col-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:6px}
.news-col-head h3{font-size:18px}
.more{font-size:13px;color:var(--ink-2)}
.more:hover{color:var(--brand)}
.news-list li{border-bottom:1px dashed var(--line)}
.news-list li:last-child{border-bottom:0}
.news-list a{display:flex;gap:10px;padding:12px 0}
.news-dot{width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:11px;flex:0 0 auto}
.news-list h4{font-size:15px;font-weight:600;line-height:1.5}
.news-list h4:hover{color:var(--brand)}
.news-list time{font-size:12.5px;color:#9aa4b5}
.tabs{display:flex;gap:10px;margin-bottom:26px;flex-wrap:wrap}
.tab{padding:8px 20px;border-radius:999px;border:1px solid var(--line);font-size:14.5px;color:var(--ink-2)}
.tab.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.news-item{display:flex;gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}
.news-date{flex:0 0 78px;text-align:center;background:var(--bg-alt);border-radius:10px;padding:10px 0;height:fit-content}
.news-date strong{display:block;font-size:22px;color:var(--brand)}
.news-date span{font-size:12px;color:var(--ink-2)}
.news-main h2{font-size:20px;margin-bottom:8px}
.news-main h2 a:hover{color:var(--brand)}
.news-main p{color:var(--ink-2);font-size:15px;margin:0}
.article{max-width:720px}
.article p{color:#3d475a}
.side{padding:22px 24px;align-self:start}
.side h3{font-size:16px;margin-bottom:12px}
.side-list li{padding:9px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.side-list li:last-child{border-bottom:0}
.side-list a:hover{color:var(--brand)}

/* partners */
.chip-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.chip{padding:11px 24px;background:#fff;border:1px solid var(--line);border-radius:999px;font-size:14.5px;color:var(--ink-2);box-shadow:var(--shadow)}
.chip:hover{color:var(--brand);border-color:#cfe0ff}

/* cta */
.cta-band{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;padding:64px 0}
.cta-in{text-align:center}
.cta-in h2{font-size:28px}
.cta-in p{margin:12px 0 24px;opacity:.92}

/* about */
.about-teaser{padding:64px 0}
.about-grid{display:grid;grid-template-columns:.9fr 1.6fr;gap:40px;align-items:center;border-top:1px solid var(--line);padding-top:56px}
.en{font-size:13px;letter-spacing:3px;color:var(--brand-2);margin:0 0 6px}
.about-label h2{font-size:29px}
.about-text p{color:var(--ink-2);margin:0 0 14px}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.stat{background:var(--bg-alt);border-radius:var(--radius);padding:26px;text-align:center}
.stat strong{display:block;font-size:30px;color:var(--brand)}
.stat span{font-size:13.5px;color:var(--ink-2)}
.value-card h3{font-size:18px;margin-bottom:8px}
.value-card p{color:var(--ink-2);font-size:14.5px;margin:0}
.timeline{position:relative;padding-left:26px;border-left:2px solid var(--line)}
.tl-item{padding:0 0 26px 22px;position:relative}
.tl-item::before{content:"";position:absolute;left:-35px;top:8px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--brand)}
.tl-item time{font-weight:700;color:var(--brand)}
.tl-item p{color:var(--ink-2);margin:4px 0 0;font-size:15px}

/* page hero */
.page-hero{background:linear-gradient(120deg,#f2f7ff,#eafaf6);padding:56px 0;text-align:center}
.page-hero h1{font-size:34px}
.page-hero p{color:var(--ink-2);letter-spacing:2px;font-size:13px;margin:8px 0 0;text-transform:uppercase}

/* contact */
.contact-grid{align-items:start;gap:44px}
.info-list{margin:22px 0}
.info-list li{display:flex;gap:14px;padding:10px 0;border-bottom:1px dashed var(--line)}
.info-label{flex:0 0 84px;color:var(--ink-2);font-size:14px}
.info-value{font-size:15px}
.map{background:var(--bg-alt);border:1px dashed #cfd9e8;border-radius:var(--radius);height:190px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#9aa4b5;gap:6px}
.map svg{width:38px;height:38px}
.map p{font-size:13px;margin:0}
.form-card{padding:28px}
.form-card h3{font-size:19px;margin-bottom:16px}
.contact-form label{display:block;margin-bottom:15px;font-size:14px;color:var(--ink-2)}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;margin-top:6px;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font-size:15px;font-family:inherit;color:var(--ink);background:#fff}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,110,245,.12)}
.form-note{font-size:12.5px;color:#9aa4b5;margin:12px 0 0}
.form-tip{background:#e9f8f1;border:1px solid #b8e6c9;color:#1c7a45;padding:12px 14px;border-radius:9px;font-size:14px;margin-bottom:18px}

/* cases extended */
.case-card{color:inherit}
.case-thumb{position:relative}
.thumb-tag{position:absolute;top:12px;left:12px;padding:3px 10px;border-radius:6px;background:rgba(255,255,255,.92);color:var(--brand);font-size:12px}
.case-info .more{display:inline-block;margin-top:12px;font-size:13px;color:var(--brand)}
.case-meta-card{padding:22px 26px;margin-bottom:36px}
.meta-row{display:flex;gap:16px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.meta-k{flex:0 0 72px;color:var(--ink-2)}
.meta-v{font-weight:600}
.meta-svc{margin-top:14px}
.meta-svc h4,.case-nav h4{font-size:14px;color:var(--ink-2);margin:0 0 10px}
.chip.sm{padding:6px 16px;font-size:13px;box-shadow:none}
.chip-row.left{justify-content:flex-start}
.case-detail{max-width:860px}
.block{margin-bottom:34px}
.block h3{font-size:20px;margin-bottom:14px;padding-left:12px;border-left:4px solid var(--brand);line-height:1.4}
.block p{color:#3d475a}
.results{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:8px 0 36px}
.result{background:linear-gradient(135deg,#eef4ff,#eafaf5);border-radius:var(--radius);padding:24px;text-align:center}
.result strong{display:block;font-size:28px;color:var(--brand)}
.result span{font-size:13.5px;color:var(--ink-2)}
.case-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid var(--line);padding-top:24px;flex-wrap:wrap}
.side-list.inline li{padding:6px 0;font-size:14px}

/* article */
.article-grid{display:grid;grid-template-columns:1fr 300px;gap:44px;align-items:start}
.article-meta{display:flex;gap:16px;color:var(--ink-2);font-size:13.5px;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.article-meta span{color:var(--brand)}
.summary{background:var(--bg-alt);border-left:4px solid var(--brand);padding:14px 18px;border-radius:0 9px 9px 0;font-size:16px;color:#3d475a}
.article h1{margin-bottom:16px}
.article p{color:#3d475a;margin:0 0 14px}
.article-foot{margin-top:30px;padding-top:20px;border-top:1px dashed var(--line)}
.disc{font-size:13px;color:#9aa4b5;margin:0 0 12px}
.link-arrow.small{font-size:14px}
.page-hero h1{max-width:900px;margin:0 auto}

/* footer */
.site-footer{background:#151b28;color:#aab4c5;padding:56px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px;padding-bottom:40px}
.f-about p{margin:14px 0 0;line-height:1.85;font-size:13.5px;color:#8e99ab}
.site-footer .logo-text{color:#fff}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.f-col li{margin-bottom:9px}
.f-col a:hover{color:#fff}
.f-contact li{font-size:13.5px;color:#8e99ab}
.copyright{border-top:1px solid #232c3d;padding:18px 0;font-size:13px;color:#7f8a9b}

/* responsive */
@media (max-width:1024px){
  .hero-in{grid-template-columns:1fr}
  .hero-art{height:230px;margin-top:20px}
  .hero h1{font-size:36px}
  .grid-4,.process{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .about-grid{grid-template-columns:1fr;gap:22px}
  .article-grid{grid-template-columns:1fr;gap:30px}
  .side{position:static}
}
@media (max-width:720px){
  .header-in{height:auto;flex-wrap:wrap;padding:12px 20px;gap:12px}
  .nav{order:3;width:100%;margin-left:0;justify-content:space-between;overflow-x:auto}
  .nav-item{padding:7px 9px;font-size:14px}
  .header-cta{margin-left:auto}
  .logo-svg{width:30px;height:30px}
  .section{padding:56px 0}
  .grid-4,.grid-3,.process,.two-col,.contact-grid,.stats,.results{grid-template-columns:1fr}
  .two-col.rev>div:first-child{order:0}
  .hero h1{font-size:29px}
  .hero-sub{font-size:21px}
  .hero-metrics{gap:24px}
  .section-head h2{font-size:25px}
  .news-item{gap:14px}
  .footer-grid{grid-template-columns:1fr}
  .page-hero h1{font-size:26px}
  .case-nav{flex-direction:column;align-items:flex-start}
}