:root{--bg: #ffffff;--bg-soft: #f6f8fb;--ink: #0f172a;--ink-soft: #5b6675;--line: #e8edf3;--primary: #2563ff;--primary-dark: #1d4ed8;--primary-soft: #eaf1ff;--radius: 16px;--shadow: 0 10px 40px rgba(15, 23, 42, .06);--maxw: 1140px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}.app-shell{display:flex;flex-direction:column;min-height:100vh}.app-shell>:first-child{flex:1 0 auto}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}.navbar{position:fixed;top:0;left:0;right:0;z-index:100;background:#ffffffd1;-webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}.navbar.scrolled{border-color:var(--line);box-shadow:0 4px 20px #0f172a0a}.nav-inner{max-width:var(--maxw);margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-weight:700}.brand-logo{height:56px;width:auto;display:block}.brand-text{font-size:17px;letter-spacing:.5px}.nav-links{display:flex;gap:34px;margin-left:auto}.nav-links a{font-size:15px;color:var(--ink-soft);font-weight:500;position:relative;transition:color .2s}.nav-links a:hover{color:var(--primary)}.nav-links a:after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--primary);transition:width .25s}.nav-links a:hover:after{width:100%}.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer}.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px}.nav-cta{margin-left:24px;padding:9px 18px;border-radius:999px;background:#fde68a;color:#1f2937!important;font-size:14px;font-weight:600;transition:background .2s,transform .2s}.nav-cta:hover{background:#fcd34d;transform:translateY(-1px)}.promo{background:var(--bg-soft)}.promo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:48px}.promo-item{display:flex;flex-direction:column;background:linear-gradient(160deg,#fff,#f2f7ff);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);text-decoration:none;color:inherit;transition:transform .25s,box-shadow .25s}.promo-item:hover{transform:translateY(-6px);box-shadow:0 14px 40px #0f172a1a}.promo-tag{align-self:flex-start;font-size:12px;color:#fff;background:#ff6a00;display:inline-block;padding:3px 10px;border-radius:20px;margin-bottom:16px}.promo-title{font-size:23px;font-weight:800;line-height:1.25}.promo-desc{font-size:15px;color:var(--ink-soft);margin:14px 0 22px;flex:1}.promo-btn{align-self:flex-start;display:inline-block;font-size:14px;font-weight:600;color:var(--primary);background:var(--primary-soft);padding:9px 18px;border-radius:8px}.promo-btn:hover{background:#dde8ff}.aliyun-page{padding-top:116px}.process{background:var(--bg)}.process-wrap{position:relative;margin-top:56px;padding-top:8px}.process-track{position:absolute;left:10%;right:10%;top:40px;height:4px;z-index:0}.process-line{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--line);border-radius:999px}.process-line-fill{position:absolute;left:0;top:0;height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--primary-dark));border-radius:999px;box-shadow:0 0 12px #2563ff73;transition:width .45s cubic-bezier(.4,0,.2,1)}.process-steps{position:relative;z-index:1;display:flex;justify-content:space-between;gap:16px}.process-step{flex:1;text-align:center;cursor:pointer;padding:0 4px;transition:transform .3s}.process-icon{width:72px;height:72px;margin:0 auto 16px;display:grid;place-items:center;background:#fff;border:2px solid var(--line);border-radius:50%;color:var(--ink-soft);transition:all .3s cubic-bezier(.4,0,.2,1)}.process-icon svg{width:30px;height:30px}.process-index{font-size:13px;font-weight:700;color:var(--line);letter-spacing:1px;transition:color .3s}.process-title{font-size:18px;font-weight:700;margin-top:6px}.process-desc{font-size:13.5px;color:var(--ink-soft);margin:10px auto 0;max-width:200px;line-height:1.6;text-wrap:balance;opacity:.65;transition:opacity .3s}.process-step.done .process-icon{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}.process-step.done .process-index{color:var(--primary)}.process-step.active{transform:translateY(-6px)}.process-step.active .process-icon{border-color:var(--primary);color:#fff;background:var(--primary);box-shadow:0 10px 28px #2563ff66;transform:scale(1.08);animation:stepPulse 1.6s ease-in-out infinite}.process-step.active .process-index,.process-step.active .process-title{color:var(--primary)}.process-step.active .process-desc{opacity:1}@keyframes stepPulse{0%,to{box-shadow:0 10px 28px #2563ff66}50%{box-shadow:0 10px 38px #2563ffb3}}.manifesto{background:linear-gradient(135deg,#eef3ff,#f6f8fb 60%,#fff);padding:76px 0;text-align:left;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.manifesto-eyebrow{font-size:13px;letter-spacing:3px;font-weight:600;color:var(--primary);text-transform:uppercase;margin-bottom:16px}.manifesto-quote{font-size:clamp(22px,3.4vw,36px);font-weight:800;line-height:1.55;max-width:880px;margin:0;color:var(--ink)}.manifesto-quote em{color:var(--primary);font-style:normal}.manifesto-sub{margin-top:18px;font-size:16px;color:var(--ink-soft)}.philosophy-quote{background:var(--ink);color:#fff;padding:88px 0;text-align:center}.philosophy-quote-label{font-size:13px;letter-spacing:4px;font-weight:600;color:var(--primary);text-transform:uppercase;margin-bottom:22px}.philosophy-quote-text{font-size:clamp(24px,3.6vw,40px);font-weight:800;line-height:1.5;max-width:900px;margin:0 auto;color:#fff}.philosophy-quote-text em{color:#7aa2ff;font-style:normal}.philosophy-quote-rule{display:block;width:56px;height:3px;border-radius:2px;background:var(--primary);margin:28px auto 22px}.philosophy-quote-attr{font-size:15px;color:#fff9}.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:center;transform:scale(1.05)}.hero-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(100deg,#ffffffeb,#ffffffc7 38%,#ffffff59)}.hero-content{position:relative;max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}.hero-eyebrow{font-size:13px;letter-spacing:4px;font-weight:600;color:var(--primary);margin-bottom:18px}.hero-title{font-size:clamp(40px,7vw,80px);font-weight:800;line-height:1.05;letter-spacing:1px}.hero-sub{font-size:clamp(18px,2.4vw,26px);font-weight:600;color:var(--ink);margin-top:16px}.hero-desc{font-size:17px;color:var(--ink-soft);max-width:540px;margin-top:18px}.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}.hero-scroll{position:absolute;left:50%;bottom:28px;transform:translate(-50%);font-size:22px;color:var(--ink-soft);animation:bounce 1.8s infinite}@keyframes bounce{0%,to{transform:translate(-50%)}50%{transform:translate(-50%,8px)}}.btn{display:inline-block;cursor:pointer;border:0;font-size:15px;font-weight:600;padding:13px 28px;border-radius:999px;transition:transform .2s,box-shadow .2s,background .2s}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 22px #2563ff47}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}.btn-block{width:100%}section{scroll-margin-top:80px}.intro,.products,.process,.contact{padding:96px 0}.section-eyebrow{font-size:13px;letter-spacing:3px;font-weight:600;color:var(--primary);text-transform:uppercase;margin-bottom:12px}.section-title{font-size:clamp(26px,4vw,40px);font-weight:800;line-height:1.2}.section-lead{font-size:17px;color:var(--ink-soft);margin-top:16px;max-width:640px}.intro{background:var(--bg)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px}.stat{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;text-align:center}.stat-num{font-size:34px;font-weight:800;color:var(--primary)}.stat-label{font-size:14px;color:var(--ink-soft);margin-top:6px}.products{background:var(--bg-soft)}.card-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:26px;margin-top:48px}.card{grid-column:span 2;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s}.card:nth-child(4),.card:nth-child(5){grid-column:span 3}.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.card-img{height:200px;background-size:cover;background-position:center;background-color:var(--bg-soft)}.card-body{padding:22px 22px 26px}.card-title{font-size:19px;font-weight:700}.card-desc{font-size:14.5px;color:var(--ink-soft);margin:10px 0 16px}.card-tag{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-soft);padding:4px 12px;border-radius:999px}.contact{background:var(--bg)}.contact-inner{max-width:900px;margin:0 auto;text-align:center}.contact-list{list-style:none;margin:44px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:left}.contact-item{display:flex;align-items:center;gap:16px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:transform .25s,box-shadow .25s,border-color .25s}.contact-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--primary)}.contact-ic{flex:0 0 48px;width:48px;height:48px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);border-radius:12px}.contact-ic svg{width:22px;height:22px}.contact-key{display:block;font-size:13px;color:var(--ink-soft)}.contact-val{display:block;font-size:16px;font-weight:700;color:var(--ink);margin-top:4px;white-space:nowrap}.footer{background:#0f172a;color:#cbd5e1;padding:40px 0}.footer-inner{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}.footer-brand{font-weight:700;color:#fff}.footer-links{display:flex;gap:22px}.footer-links a{font-size:14px;color:#cbd5e1}.footer-links a:hover{color:#fff}.footer-copy{font-size:13px;color:#94a3b8;width:100%;border-top:1px solid #1e293b;padding-top:16px}.beian{display:inline-flex;align-items:center;gap:6px;margin-left:12px;color:#94a3b8}.beian:hover{color:#cbd5e1}.beian-icon{width:14px;height:14px;flex:0 0 14px}@media(max-width:980px){.card-grid{grid-template-columns:repeat(2,1fr)}.card,.card:nth-child(4),.card:nth-child(5){grid-column:auto}.stats{grid-template-columns:repeat(2,1fr)}.process-icon{width:60px;height:60px}.process-icon svg{width:26px;height:26px}.process-title{font-size:16px}.process-desc{font-size:12.5px}.process-steps{gap:10px}}@media(max-width:768px){.nav-links{position:fixed;top:66px;right:0;left:0;flex-direction:column;gap:0;margin-left:0;background:#fff;border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .3s}.nav-links.open{max-height:320px}.nav-links a{padding:16px 24px;border-top:1px solid var(--line)}.nav-toggle{display:flex}.brand-logo{height:40px}.brand-text{display:none}.nav-cta{margin-left:auto;padding:7px 14px;font-size:13px}.nav-toggle{margin-left:14px}.intro,.products,.process,.contact,.promo{padding:64px 0}.aliyun-page{padding-top:100px}.manifesto{padding:56px 0}.card-grid{grid-template-columns:1fr}.card,.card:nth-child(4),.card:nth-child(5){grid-column:auto}.promo-grid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.contact-inner,.contact-list{grid-template-columns:1fr}.hero-overlay{background:linear-gradient(180deg,#ffffffe6,#ffffffb3)}.process-track{left:35px;right:auto;top:40px;bottom:20px;width:4px;height:auto}.process-line-fill{width:100%!important;height:100%;background:linear-gradient(180deg,var(--primary),var(--primary-dark));transition:none}.process-steps{flex-direction:column;gap:0}.process-step{display:flex;align-items:flex-start;gap:18px;text-align:left;padding:14px 0}.process-icon{flex:0 0 64px;width:64px;height:64px;margin:0}.process-index{display:none}.process-title{margin-top:10px}.process-desc{opacity:1;max-width:none}.process-step.active{transform:none}}@media(max-width:420px){.brand-text{font-size:15px}.hero-actions .btn{width:100%;text-align:center}}