:root{--ink:#071a2e;--blue:#176cdc;--cyan:#39cedf;--paper:#f3f6f8;--muted:#677686}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink)}a{text-decoration:none;color:inherit}header{height:76px;padding:0 clamp(22px,6vw,90px);display:flex;align-items:center;border-bottom:1px solid #e3e9ee;position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);z-index:10}.brand{display:flex;gap:11px;align-items:center;margin-right:auto}.brand>b{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--cyan),var(--blue))}.brand strong,.brand small{display:block}.brand strong{letter-spacing:.12em}.brand small{font-size:10px;color:#84919d;margin-top:3px}nav{display:flex;gap:30px;font-size:14px;color:#536575}.product-hero{min-height:630px;padding:90px clamp(24px,10vw,160px);display:grid;grid-template-columns:1.05fr .95fr;align-items:center;background:radial-gradient(circle at 78% 45%,#1c466d,#081d33 45%,#061626);color:#fff;overflow:hidden}.product-hero>div{z-index:1}.product-hero h1{font-size:clamp(45px,5.4vw,76px);line-height:1.1;margin:20px 0 28px}.product-hero p:not(.eyebrow){max-width:650px;color:#a8bdce;line-height:1.9;font-size:17px}.product-hero img{width:min(440px,90%);justify-self:center;max-height:430px;object-fit:contain;border-radius:20px;filter:drop-shadow(0 35px 40px rgba(0,0,0,.38))}.eyebrow{color:#47d1e1;font-size:11px;letter-spacing:.23em;font-weight:700}.actions{display:flex;gap:15px;align-items:center;margin-top:35px}.actions a{padding:14px 22px;border:1px solid rgba(255,255,255,.25);border-radius:6px;font-size:14px}.actions .primary{background:linear-gradient(135deg,#32bedf,#176bdc);border:0}.section{padding:95px clamp(24px,10vw,160px)}.section.alt{background:var(--paper)}.heading{margin-bottom:40px}.heading h2{font-size:clamp(34px,4vw,50px);margin:9px 0}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#dce4ea;border:1px solid #dce4ea}.feature-grid article{background:#fff;padding:34px;min-height:230px}.feature-grid span{color:var(--blue);font-size:12px}.feature-grid h3{font-size:20px;margin:30px 0 13px}.feature-grid p,.models p,.value-list p{color:var(--muted);font-size:14px;line-height:1.8}.spec-grid{display:grid;grid-template-columns:1fr 1fr;background:#fff;border-radius:12px;overflow:hidden}.spec-grid div{display:flex;justify-content:space-between;padding:24px 28px;border-bottom:1px solid #e2e8ed}.spec-grid div:nth-child(odd){border-right:1px solid #e2e8ed}.spec-grid span{color:var(--muted)}.models{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.models article{padding:35px;border:1px solid #dfe6eb;border-radius:12px}.models b{font-size:30px;color:var(--blue)}.models h3{font-size:18px;margin:20px 0 8px}.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);counter-reset:item}.steps li{position:relative;padding:28px;border-top:2px solid #37bddd}.steps li:before{counter-increment:item;content:"0" counter(item);display:block;color:#1d7cd5;font-size:12px;margin-bottom:22px}.steps b,.steps span{display:block}.steps span{font-size:13px;line-height:1.7;color:var(--muted);margin-top:10px}.notice{padding:16px 20px;background:#e7eef3;color:#627282;font-size:12px;line-height:1.7;border-radius:7px;margin-top:28px}.value-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.value-list article{display:flex;gap:22px;padding:28px;background:#fff;border-radius:10px}.value-list b{color:#2183dd}.value-list h3{margin:0 0 8px}.value-list p{margin:0}.contact{margin:0 clamp(24px,5vw,75px) 55px;padding:65px clamp(28px,6vw,85px);border-radius:15px;background:linear-gradient(125deg,#0c62c8,#1598d8);color:#fff;display:grid;grid-template-columns:1fr 1fr;align-items:center}.contact h2{font-size:clamp(30px,4vw,48px);margin:10px 0}.contact p{color:#d4eafa}.contact>div:last-child{display:flex;flex-direction:column}.contact>div:last-child a{font-size:20px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.25)}footer{padding:24px;text-align:center;color:#81909c;font-size:12px}@media(max-width:850px){nav{display:none}.product-hero{grid-template-columns:1fr;padding-top:65px}.product-hero img{margin-top:35px;max-height:330px}.feature-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.contact{grid-template-columns:1fr;gap:20px}}@media(max-width:560px){.product-hero h1{font-size:42px}.actions{align-items:stretch;flex-direction:column}.actions a{text-align:center}.feature-grid,.spec-grid,.models,.value-list,.steps{grid-template-columns:1fr}.spec-grid div:nth-child(odd){border-right:0}.contact{margin:0 14px 30px;padding:42px 25px}.contact>div:last-child a{font-size:15px;word-break:break-all}}
