:root{--blue: #0b5cd6;--blue-deep: #0a2a5e;--navy: #071a3a;--sky: #3fa9f5;--ink: #0f1d33;--text: #43536b;--muted: #7d8aa0;--bg: #ffffff;--bg-soft: #f3f7fc;--line: #e3eaf3;--radius: 18px;--shadow: 0 18px 50px -24px rgba(11, 60, 140, .35)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}a{color:inherit;text-decoration:none}.container{width:min(1200px,100% - 48px);margin:0 auto}.nav{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,box-shadow .3s}.nav-solid{background:#ffffffeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand img{height:26px;width:auto}.nav-end{display:flex;align-items:center;gap:10px;margin-left:28px}.lang-switch{display:flex;align-items:center;padding:3px;border-radius:999px;border:1px solid rgba(255,255,255,.4)}.nav-solid .lang-switch{border-color:var(--line);background:#fff}.lang-switch button{min-width:42px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.4px;color:#ffffffc7}.nav-solid .lang-switch button{color:var(--muted)}.lang-switch button.active{background:#fff;color:var(--blue-deep)}.nav-solid .lang-switch button.active{background:var(--blue);color:#fff}.nav-links{display:flex;gap:36px;margin-left:auto}.nav-links a{color:#fff;font-size:15px;letter-spacing:.5px;position:relative;padding:4px 0;opacity:.9}.nav-solid .nav-links a{color:var(--ink)}.nav-links a:after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--sky);transition:width .25s}.nav-links a:hover:after{width:100%}.burger{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;align-items:center}.burger span{width:22px;height:2px;background:#fff;border-radius:2px;transition:background .3s}.nav-solid .burger span{background:var(--ink)}.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:url(../img/hero.jpg) center / cover no-repeat;transform:scale(1.06);animation:heroZoom 18s ease-out forwards}@keyframes heroZoom{to{transform:scale(1)}}.hero-shade{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(100deg,#05183ce0,#0830709e 45%,#0830701f),linear-gradient(0deg,rgba(5,20,50,.55),transparent 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.2s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--sky),var(--blue));color:#fff;box-shadow:0 12px 30px -10px #3fa9f5b3}.btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff}.btn-ghost:hover{background:#ffffff1f}.scroll-hint{position:absolute;left:50%;bottom:32px;transform:translate(-50%);width:26px;height:42px;border:2px solid rgba(255,255,255,.6);border-radius:14px}.scroll-hint span{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;background:#fff;border-radius:2px;animation:hint 1.8s infinite}@keyframes hint{0%{opacity:0;transform:translateY(0)}40%{opacity:1}to{opacity:0;transform:translateY(14px)}}.section{padding:110px 0;position:relative;scroll-margin-top:40px}.section-head{text-align:center;max-width:720px;margin:0 auto 60px}.section-head.left{text-align:left;margin:0 0 24px}.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:4px;color:var(--blue);margin-bottom:10px}.section-head 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svg{width:36px;height:36px}.business{color:#fff;overflow:hidden}.business-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:url(../img/solution.jpg) center / cover no-repeat fixed}.business-bg:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#061c46db,#083478a8)}.business .container{position:relative}.pillar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.pillar{padding:34px 28px;border-radius:var(--radius);background:#ffffff12;border:1px solid rgba(255,255,255,.16);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:background .3s,transform .3s}.pillar:hover{background:#ffffff21;transform:translateY(-6px)}.pillar-no{font-size:40px;font-weight:800;line-height:1;background:linear-gradient(135deg,#8fd0ff,#fff);-webkit-background-clip:text;background-clip:text;color:transparent}.pillar h3{margin-top:18px;font-size:20px}.pillar .en{color:#9fbbe0}.pillar 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span{font-size:13px;color:var(--muted)}.market-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.market{position:relative;padding:34px 30px 30px;border-radius:var(--radius);overflow:hidden;background:linear-gradient(160deg,#f5f9ff,#fff);border:1px solid var(--line)}.market:before{content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,rgba(63,169,245,.18),transparent 70%)}.dot{display:block;width:12px;height:12px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 6px #0b5cd626;margin-bottom:18px}.market h3{font-size:20px}.market p{color:var(--text);margin-top:6px}.chain{margin-top:64px;text-align:center}.chain-title{font-size:15px;color:var(--muted);letter-spacing:2px;margin-bottom:22px}.chain ol{list-style:none;display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:0}.chain li{display:flex;align-items:center;gap:12px;padding:16px 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