:root{--bg:#fff;--fg:#0a0a0a;--muted:#f6f7f8;--muted-fg:#667085;--border:#e5e7eb;--card:#fff;--dark:#111827;--green:#16a34a;--blue:#2563eb;--orange:#f97316;--radius:8px;--shadow:0 1px 2px rgba(0,0,0,.04),0 14px 35px rgba(15,23,42,.07);--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--fg);line-height:1.72}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}.container{width:min(calc(100% - 32px),var(--max));margin:auto}
.topbar{background:#111827;color:#d1d5db;font-size:12px;padding:7px 0}.topbar .container{display:flex;justify-content:space-between;gap:20px}.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}.nav{height:70px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-.04em}.logo{width:32px;height:32px;border-radius:7px;background:#111827;color:#fff;display:grid;place-items:center}.nav-links{display:flex;align-items:center;gap:24px;font-size:14px;color:#374151}.nav-links a:hover,.nav-links .active{color:#000;font-weight:800}.nav-actions{display:flex;gap:10px}.mobile-toggle{display:none}
.btn{height:42px;padding:0 17px;border:1px solid var(--border);border-radius:7px;background:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;cursor:pointer;transition:.2s}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}.btn-primary{background:#111827;color:#fff;border-color:#111827}.btn-green{background:#16a34a;color:#fff;border-color:#16a34a}.btn-lg{height:50px;padding:0 24px}
.badge{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:999px;background:#fff;padding:6px 10px;color:#475467;font-size:12px}.dot{width:7px;height:7px;border-radius:50%;background:#16a34a}
h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-.035em}h1{font-size:clamp(44px,6vw,72px)}h2{font-size:clamp(31px,4vw,46px)}h3{font-size:21px}.lead{font-size:18px;color:var(--muted-fg);max-width:780px;margin:22px 0 0}.hero{padding:88px 0 68px;background:radial-gradient(circle at 20% 10%,rgba(37,99,235,.08),transparent 28%),linear-gradient(#fff,#fafafa);border-bottom:1px solid var(--border)}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.trust{display:flex;gap:22px;flex-wrap:wrap;color:#475467;font-size:13px;margin-top:26px}
.panel{background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);overflow:hidden}.panel-top{height:43px;background:#f8fafc;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 14px}.dots{display:flex;gap:7px}.dots i{width:9px;height:9px;border-radius:50%;background:#d1d5db}.panel-body{padding:18px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.metric{border:1px solid var(--border);border-radius:7px;padding:14px}.metric span{font-size:12px;color:var(--muted-fg)}.metric strong{display:block;font-size:23px;margin-top:4px}.project-list{display:grid;gap:10px;margin-top:14px}.project{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;border:1px solid var(--border);border-radius:7px;padding:10px}.project-icon{width:44px;height:44px;border-radius:6px;background:#eef2ff;display:grid;place-items:center;font-weight:800}.status{font-size:12px;color:#16a34a}.platform-strip{padding:25px 0;border-bottom:1px solid var(--border)}.platform-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:14px}.platform{text-align:center;font-weight:800;color:#667085;font-size:13px}
.section{padding:86px 0}.section-muted{background:#f8fafc;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section-head{max-width:830px;margin-bottom:38px}.section-head p{font-size:17px;color:var(--muted-fg);margin:15px 0 0}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:24px;box-shadow:0 1px 1px rgba(0,0,0,.02)}.card:hover{box-shadow:var(--shadow)}.card p{color:var(--muted-fg);margin:10px 0 0}.icon{width:42px;height:42px;border-radius:7px;border:1px solid var(--border);background:#f8fafc;display:grid;place-items:center;font-weight:900;margin-bottom:18px}.card-link{display:inline-block;margin-top:18px;font-size:14px;font-weight:800;color:#111827}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.step{position:relative}.step-num{width:34px;height:34px;border-radius:50%;background:#111827;color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:18px}.step:after{content:"";position:absolute;top:17px;left:52px;right:-18px;height:1px;background:#d1d5db}.step:last-child:after{display:none}.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.feature-list{display:grid;gap:14px;margin-top:24px}.feature-item{display:flex;gap:12px;align-items:flex-start}.check{width:22px;height:22px;border-radius:50%;background:#111827;color:#fff;display:grid;place-items:center;font-size:12px;flex:0 0 auto;margin-top:2px}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.product-card{border:1px solid var(--border);border-radius:8px;overflow:hidden;background:#fff}.product-card img{width:100%;height:190px;object-fit:cover}.product-body{padding:16px}.product-body small{color:var(--muted-fg)}.tags{display:flex;gap:8px;flex-wrap:wrap}.tag{font-size:12px;padding:5px 9px;border:1px solid var(--border);border-radius:999px;background:#f8fafc;color:#475467}.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);border-radius:8px;overflow:hidden}.stat{text-align:center;padding:28px;border-right:1px solid var(--border)}.stat:last-child{border-right:0}.stat strong{display:block;font-size:35px}.stat span{font-size:13px;color:var(--muted-fg)}
.compare{overflow:auto;border:1px solid var(--border);border-radius:8px;background:#fff}.compare table{width:100%;border-collapse:collapse;min-width:900px}.compare th,.compare td{padding:15px 16px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}.compare th{background:#f8fafc}.compare tr:last-child td{border-bottom:0}.case-card{padding:0;overflow:hidden}.case-cover{height:205px;background:linear-gradient(135deg,#111827,#64748b);display:flex;align-items:end;padding:20px;color:#fff}.case-body{padding:22px}.quote{font-size:17px}.person{display:flex;align-items:center;gap:12px;margin-top:22px}.avatar{width:42px;height:42px;border-radius:50%;background:#e5e7eb}.person small{display:block;color:var(--muted-fg)}
.faq{border-top:1px solid var(--border)}.faq-item{border-bottom:1px solid var(--border)}.faq-q{width:100%;background:none;border:0;padding:20px 0;display:flex;justify-content:space-between;text-align:left;font-weight:800;cursor:pointer}.faq-a{display:none;padding:0 0 20px;color:var(--muted-fg);max-width:930px}.faq-item.open .faq-a{display:block}.cta{background:#111827;color:#fff;border-radius:10px;padding:54px}.cta p{color:#d1d5db;max-width:760px}.cta .btn{background:#fff;color:#111827}.notice{padding:15px 16px;border:1px solid var(--border);background:#f8fafc;border-radius:7px;color:#475467;font-size:14px}.notice.warn{border-color:#fed7aa;background:#fff7ed}
.page-hero{padding:72px 0;background:#f8fafc;border-bottom:1px solid var(--border)}.breadcrumb{font-size:13px;color:var(--muted-fg);margin-bottom:14px}.page-hero p{max-width:820px;color:var(--muted-fg);font-size:18px}.content{max-width:900px}.content h2{font-size:31px;margin:38px 0 14px}.content h3{margin:28px 0 10px}.content p,.content li{color:#475467}.article-card .thumb{height:180px;border-radius:6px;background:linear-gradient(135deg,#e5e7eb,#f8fafc);margin-bottom:18px}.meta{font-size:13px;color:var(--muted-fg);margin-bottom:8px}.form{display:grid;gap:14px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field label{display:block;font-size:14px;font-weight:800;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;padding:12px 13px;border:1px solid var(--border);border-radius:6px;background:#fff;outline:none}.field textarea{min-height:150px}.field input:focus,.field select:focus,.field textarea:focus{border-color:#111827;box-shadow:0 0 0 3px rgba(17,24,39,.08)}
.footer{padding:56px 0 26px;background:#f8fafc;border-top:1px solid var(--border)}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:32px}.footer h4{margin-bottom:14px}.footer a{display:block;color:#667085;font-size:14px;margin:9px 0}.footer-bottom{border-top:1px solid var(--border);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;color:#667085;font-size:13px}
@media(max-width:940px){.nav-links{display:none;position:absolute;top:70px;left:16px;right:16px;background:#fff;border:1px solid var(--border);border-radius:8px;padding:18px;flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.mobile-toggle{display:inline-flex}.nav-actions .btn:first-child{display:none}.hero-grid,.split,.grid-2{grid-template-columns:1fr}.grid-3{grid-template-columns:repeat(2,1fr)}.grid-4,.step-grid{grid-template-columns:repeat(2,1fr)}.step:after{display:none}.platform-grid{grid-template-columns:repeat(4,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--border)}}
@media(max-width:620px){.topbar{display:none}.hero{padding:62px 0 48px}h1{font-size:42px}.section{padding:62px 0}.grid-3,.grid-4,.step-grid,.metrics,.form-row,.product-grid{grid-template-columns:1fr}.platform-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:8px}.stats{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid var(--border)}.stat:last-child{border-bottom:0}.cta{padding:34px 24px}}
.price{font-size:36px;font-weight:900;letter-spacing:-.04em;margin-top:16px}.price small{font-size:13px;color:var(--muted-fg);font-weight:500}