:root{
  --bg:#f4f8ff;
  --surface:#ffffff;
  --surface-soft:#eaf3ff;
  --ink:#0b1f3a;
  --muted:#61738a;
  --line:#d8e6f7;
  --blue:#1268f3;
  --blue-dark:#073b8e;
  --cyan:#13b9e8;
  --navy:#051a33;
  --shadow:0 22px 70px rgba(10,66,140,.14);
  --radius:28px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:radial-gradient(circle at 12% 0%,#dcecff 0,#f7fbff 38%,#f4f8ff 100%);line-height:1.65}a{color:inherit;text-decoration:none}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,251,255,.82);backdrop-filter:blur(18px);border-bottom:1px solid rgba(216,230,247,.72)}.nav{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:16px 22px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:white;font-weight:900;box-shadow:0 10px 28px rgba(18,104,243,.28)}.brand strong{display:block;font-size:18px}.brand small{display:block;color:var(--muted);font-size:12px;margin-top:-3px}.nav-links{display:flex;align-items:center;gap:22px;font-size:15px}.nav-links a{color:#26435f}.nav-links a:hover,.nav-links a.active{color:var(--blue)}.nav-cta{background:var(--blue);color:white!important;padding:10px 17px;border-radius:999px;box-shadow:0 10px 28px rgba(18,104,243,.25)}.lang{border:1px solid var(--line);padding:8px 12px;border-radius:999px;background:white}.nav-toggle{display:none;border:0;background:white;border-radius:12px;font-size:22px;padding:8px 12px;color:var(--ink)}.section-shell{max-width:1180px;margin:auto;padding:92px 22px}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:center;min-height:690px}.eyebrow,.section-label{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-weight:800;letter-spacing:.08em;font-size:14px}.eyebrow span{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 7px rgba(19,185,232,.14)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(42px,6vw,76px);line-height:1.04;letter-spacing:-.06em;margin:16px 0 22px}h2{font-size:clamp(30px,4vw,48px);line-height:1.16;letter-spacing:-.04em;margin:10px 0 18px}h3{font-size:22px;margin-bottom:10px}.hero-lede{font-size:20px;color:var(--muted);max-width:670px}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:14px 23px;font-weight:800;margin-right:10px;margin-top:12px}.primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:white;box-shadow:0 16px 36px rgba(18,104,243,.26)}.secondary{background:white;border:1px solid var(--line);color:var(--blue-dark)}.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.trust-row span{background:rgba(255,255,255,.8);border:1px solid var(--line);padding:9px 14px;border-radius:999px;color:#365370;font-weight:700}.hero-card,.glass-card{background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(232,243,255,.88));border:1px solid rgba(216,230,247,.95);border-radius:34px;padding:26px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero-card:before,.glass-card:before{content:"";position:absolute;inset:-80px -90px auto auto;width:260px;height:260px;background:radial-gradient(circle,rgba(19,185,232,.22),transparent 68%)}.dashboard-top{display:flex;justify-content:space-between;align-items:flex-start;position:relative}.dashboard-top small,.metric-grid small{display:block;color:var(--muted)}.dashboard-top strong{font-size:31px;color:var(--blue-dark)}.status-pill{background:#dff7ff;color:#0877a3;font-weight:800;border-radius:999px;padding:8px 13px}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}.metric-grid article{background:white;border:1px solid var(--line);border-radius:20px;padding:16px}.metric-grid strong{font-size:24px;color:var(--blue)}.chart{height:190px;display:flex;align-items:end;gap:13px;border-radius:24px;background:linear-gradient(180deg,#f8fbff,#e7f2ff);padding:20px;margin:20px 0;border:1px solid var(--line)}.chart span{flex:1;border-radius:999px;background:linear-gradient(180deg,var(--cyan),var(--blue))}.insight-card{background:var(--surface-soft);color:var(--ink);border-radius:22px;padding:20px}.insight-card p{color:var(--muted);margin:6px 0 0}.stats-band{max-width:1180px;margin:-35px auto 0;padding:0 22px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stats-band article{background:white;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 14px 36px rgba(10,66,140,.08)}.stats-band strong{font-size:26px;color:var(--blue);display:block}.stats-band span{color:var(--muted)}.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:50px;align-items:start}.feature-list{display:grid;gap:16px}.feature-list article,.advantage-card,.product-card,.news-card,.case-card,.solution-card{background:white;border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:0 12px 34px rgba(10,66,140,.07)}.feature-list article{display:flex;gap:18px}.feature-icon,.number-badge{min-width:50px;height:50px;border-radius:16px;background:var(--surface-soft);display:grid;place-items:center;color:var(--blue);font-weight:900}.section-heading{max-width:760px}.centered{text-align:center;margin:0 auto 38px}.advantage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.advantage-card h3{color:var(--blue-dark)}.platform-band{background:linear-gradient(135deg,#061c38,#0b4fb3);color:white}.platform-band .section-label{color:#7ee4ff}.platform-band p{color:#dceaff}.tech-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:30px}.tech-pill{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:18px;text-align:center;font-weight:900}.data-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.data-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:24px;padding:22px}.data-card strong{font-size:34px;color:white}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product-card .number{color:var(--blue);font-weight:900;font-size:34px}.process{background:#eaf3ff}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.timeline article{background:white;border:1px solid var(--line);border-radius:24px;padding:24px}.timeline span{width:40px;height:40px;border-radius:14px;background:var(--blue);color:white;display:grid;place-items:center;font-weight:900;margin-bottom:14px}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.news-card small{color:var(--blue);font-weight:800}.news-card p{color:var(--muted)}.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.tag-row span{background:#eaf3ff;color:var(--blue-dark);border-radius:999px;padding:7px 12px;font-weight:800;font-size:13px}.cta-section{padding:90px 22px}.cta-card{max-width:1080px;margin:auto;background:linear-gradient(135deg,#05204a,#1268f3);color:white;border-radius:34px;padding:44px;box-shadow:var(--shadow)}.cta-card p{color:#dceaff}.demo-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}.demo-form label{display:grid;gap:6px}.demo-form .full{grid-column:1/-1}.demo-form input,.demo-form textarea{width:100%;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.12);color:white;border-radius:16px;padding:14px;font:inherit}.demo-form input::placeholder,.demo-form textarea::placeholder{color:#b9d1ef}.demo-form button{border:0;background:white;color:var(--blue-dark);font-weight:900;border-radius:999px;padding:14px 22px;cursor:pointer}.footer{max-width:1180px;margin:auto;padding:34px 22px 50px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);border-top:1px solid var(--line)}.page-hero{padding:82px 22px 50px}.page-hero-inner{max-width:1180px;margin:auto;background:linear-gradient(135deg,#061c38,#1268f3);color:white;border-radius:34px;padding:54px;position:relative;overflow:hidden}.page-hero-inner p{color:#dceaff;max-width:760px}.list-check{padding-left:0;list-style:none}.list-check li{margin:10px 0;padding-left:28px;position:relative}.list-check li:before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:900}.case-map{height:190px;border-radius:22px;background:radial-gradient(circle at 30% 30%,#7ee4ff,transparent 20%),linear-gradient(135deg,#eaf3ff,#d8eaff);margin-bottom:20px;position:relative;overflow:hidden}.case-map span{position:absolute;width:80px;height:80px;border-radius:50%;border:1px solid rgba(18,104,243,.22)}.case-map span:nth-child(1){left:15%;top:18%}.case-map span:nth-child(2){right:18%;top:25%}.case-map span:nth-child(3){left:35%;bottom:12%}.case-map span:nth-child(4){right:38%;bottom:25%}.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}.tabs span{background:white;border:1px solid var(--line);border-radius:999px;padding:9px 16px;color:var(--blue-dark);font-weight:800}
@media(max-width:900px){.nav-toggle{display:block}.nav-links{position:absolute;left:16px;right:16px;top:76px;background:white;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:18px;display:none;flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.hero,.split{grid-template-columns:1fr}.stats-band,.advantage-grid,.product-grid,.news-grid,.timeline,.data-grid{grid-template-columns:1fr 1fr}.tech-grid{grid-template-columns:1fr 1fr}.hero{min-height:auto}.section-shell{padding:68px 20px}}@media(max-width:620px){.stats-band,.advantage-grid,.product-grid,.news-grid,.timeline,.data-grid,.tech-grid,.demo-form{grid-template-columns:1fr}.page-hero-inner,.cta-card{padding:30px}.footer{flex-direction:column}.footer-wechat{margin-top:4px}.nav{padding:13px 16px}}.footer-wechat{display:flex;align-items:center;gap:14px}.footer-wechat img{width:92px;height:auto;display:block;border-radius:14px;border:1px solid var(--line);background:#fff;padding:6px;box-shadow:0 8px 22px rgba(18,104,243,.12)}.footer-wechat strong{display:block;font-size:15px;color:var(--ink);margin-bottom:2px}.footer-wechat span{display:block;font-size:13px;color:var(--muted)}
/* 移动端防横向溢出加固 */
html,body{overflow-x:clip}
img,video{max-width:100%;height:auto}
.metric-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:900px){.hero,.split{grid-template-columns:minmax(0,1fr)}.stats-band,.advantage-grid,.product-grid,.news-grid,.timeline,.data-grid,.tech-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
@media(max-width:620px){.stats-band,.advantage-grid,.product-grid,.news-grid,.timeline,.data-grid,.tech-grid,.demo-form{grid-template-columns:minmax(0,1fr)}.metric-grid{gap:10px}.metric-grid article{padding:12px 10px}}

/* 公司优势：通栏式布局（标题+导语横排，卡片 3x2 通栏，消除左侧空白） */
.advantage-section{display:grid;grid-template-columns:1fr;gap:44px}
.advantage-heading{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:end}
.advantage-heading h2{margin-bottom:0}
.advantage-intro{margin:0;color:var(--muted);font-size:16px;line-height:1.9;justify-self:end;max-width:470px;padding-bottom:4px}
.footer .beian-link:hover{text-decoration:underline;text-underline-offset:3px}
@media(max-width:900px){.advantage-section{gap:30px}.advantage-heading{grid-template-columns:1fr;gap:16px}.advantage-intro{justify-self:start;max-width:none;padding-bottom:0}}