html{scroll-behavior:smooth}*{box-sizing:border-box}body{font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif}.gradient-brand{background:linear-gradient(135deg,#d73322 0%,#e84d38 48%,#f97316 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-link{position:relative;padding-bottom:2px}.nav-link::after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:linear-gradient(90deg,#d73322,#f97316);transition:width .3s ease}.nav-link:hover::after{width:100%}.brand-logo{width:38px;height:38px;object-fit:contain;border-radius:9px}.menu-btn{line-height:1;background:none;border:0}.pill-dot{width:8px;height:8px;border-radius:50%;background:#e84d38;box-shadow:0 0 0 5px rgba(232,77,56,.12)}.trust-mark{display:inline-flex;align-items:center;justify-content:center;width:17px;height:17px;margin-right:4px;border-radius:50%;background:#dcfce7;color:#16a34a;font-size:11px}.btn-icon{font-weight:900}.feature-card,.testimonial-card{transition:all .3s ease}.feature-card:hover,.testimonial-card:hover{transform:translateY(-6px)}.feature-icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:24px;font-size:25px;font-weight:800;transition:transform .3s ease}.feature-card:hover .feature-icon{transform:scale(1.08)}.icon-red{background:#fee2e2;color:#dc2626}.icon-cyan{background:#cffafe;color:#0891b2}.icon-purple{background:#ede9fe;color:#7c3aed}.icon-amber{background:#fef3c7;color:#d97706}.icon-green{background:#d1fae5;color:#059669}.icon-blue{background:#dbeafe;color:#2563eb}.btn-ripple{position:relative;overflow:hidden}.btn-ripple::after{content:"";position:absolute;inset:0;background:radial-gradient(circle,rgba(255,255,255,.28) 10%,transparent 10%);background-position:center;transition:background .5s;opacity:0}.btn-ripple:active::after{opacity:1;background-size:1000%;transition:background 0}.faq-content{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease}.faq-item.active .faq-content{max-height:350px;padding-top:1rem;padding-bottom:1rem}.faq-chevron{transition:transform .3s ease;font-size:20px}.faq-item.active .faq-chevron{transform:rotate(180deg)}.platform-word{font-size:clamp(1.35rem,2.9vw,2.75rem);line-height:1.1;font-weight:800;color:#d73322;letter-spacing:-.035em}.guide-tag{display:inline-flex;padding:6px 10px;margin-bottom:18px;border-radius:999px;background:#fee7e2;color:#b9271b;font-weight:800;font-size:12px;letter-spacing:.12em}.guide-avatar{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#d73322,#f97316);color:#fff;font-weight:800;box-shadow:0 10px 25px rgba(215,51,34,.22)}
.hero-client{min-height:450px;padding:24px;background:linear-gradient(145deg,#17191f 0%,#20242c 55%,#111318 100%);border:1px solid rgba(255,255,255,.08);overflow:hidden;color:#fff}.hero-client::before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-80px;top:-110px;background:radial-gradient(circle,rgba(232,77,56,.36),rgba(232,77,56,0) 70%)}.hero-client::after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;left:-150px;bottom:-210px;background:radial-gradient(circle,rgba(249,115,22,.19),rgba(249,115,22,0) 70%)}.client-topbar,.client-body,.client-grid,.client-bottom{position:relative;z-index:2}.client-topbar{height:42px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.1);font-size:12px;letter-spacing:.13em;color:#cbd5e1}.client-status{display:flex;align-items:center;gap:7px;color:#d1fae5}.client-status i{display:block;width:7px;height:7px;border-radius:50%;background:#34d399;box-shadow:0 0 0 5px rgba(52,211,153,.1)}.client-body{display:flex;align-items:center;gap:22px;padding:38px 0 30px}.client-icon-shell{position:relative;width:94px;height:94px;border-radius:24px;background:linear-gradient(145deg,#2b2e36,#14161b);display:flex;align-items:center;justify-content:center;box-shadow:0 22px 45px rgba(0,0,0,.28);overflow:hidden}.client-icon-img{position:relative;z-index:2;width:100%;height:100%;object-fit:cover}.client-icon-img:not([src]),.client-icon-img[src=""]{display:none}.client-icon-fallback{position:absolute;z-index:1;font-size:28px;font-weight:900;color:#fff}.client-copy{min-width:0}.client-copy .client-kicker{display:block;color:#fca99c;font-size:10px;letter-spacing:.16em;margin-bottom:7px}.client-copy strong{display:block;font-size:34px;line-height:1;margin-bottom:8px}.client-copy p{color:#aeb5c1;font-size:14px}.client-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.client-grid>div{min-height:76px;border:1px solid rgba(255,255,255,.09);background:rgba(255,255,255,.035);border-radius:14px;padding:15px}.client-grid span{display:block;color:#fca99c;font-size:10px;letter-spacing:.1em;margin-bottom:5px}.client-grid b{font-size:14px;color:#f8fafc}.client-bottom{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.client-bottom span{padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.06);color:#cbd5e1;font-size:11px;border:1px solid rgba(255,255,255,.06)}
@media(max-width:768px){.nav-menu{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:#fff;box-shadow:-5px 0 30px rgba(0,0,0,.1);transition:right .3s ease;z-index:100;padding:80px 30px 30px;display:flex;flex-direction:column;gap:20px}.nav-menu.open{right:0}.nav-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:99;opacity:0;pointer-events:none;transition:opacity .3s ease}.nav-overlay.show{opacity:1;pointer-events:auto}.brand-lockup{font-size:1.12rem}.brand-logo{width:34px;height:34px}.hero-client{min-height:405px}.platform-grid{gap:12px}.platform-grid>div{padding:20px 10px}.client-body{padding:28px 0 24px}.client-icon-shell{width:78px;height:78px}.client-copy strong{font-size:29px}}
@media(max-width:420px){.hero-client{min-height:390px;padding:18px}.client-grid>div{padding:12px}.client-copy p{font-size:12px}.client-bottom{gap:6px}.client-bottom span{font-size:10px}.brand-lockup .gradient-brand{max-width:220px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:#f3f4f6}::-webkit-scrollbar-thumb{background:#9ca3af;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#6b7280}