:root{--color-ink: #121316;--color-text: #30343b;--color-muted: #69717d;--color-line: #e4e7eb;--color-surface: #f5f6f8;--color-white: #ffffff;--color-orange: #f26a2e;--color-teal: #1598a6;--color-green: #55bd77;--color-blue: #2c73b8;--shadow-soft: 0 18px 50px rgba(18, 19, 22, .1);--radius: 8px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{background:#fbfbfa;color:var(--color-text);scroll-behavior:smooth}body{margin:0;min-width:320px;color:var(--color-text);background:#fbfbfa;position:relative;isolation:isolate;overflow-x:hidden}body:before{content:"";position:fixed;inset:-18vh 0 0;z-index:0;pointer-events:none;background:radial-gradient(circle at 14% 8%,rgba(44,115,184,.06) 0 1.2px,transparent 1.8px),radial-gradient(circle at 72% 16%,rgba(21,152,166,.05) 0 1px,transparent 1.6px),radial-gradient(circle at 33% 24%,rgba(242,106,46,.035) 0 1px,transparent 1.5px),repeating-linear-gradient(115deg,rgba(44,115,184,.055) 0 1px,transparent 1px 42px),repeating-linear-gradient(115deg,rgba(21,152,166,.03) 0 1px,transparent 1px 60px),linear-gradient(180deg,#f7fafbb8,#fbfbfaf0);background-size:240px 240px,280px 280px,320px 320px,100% 100%,100% 100%,100% 100%;opacity:.8;transform:translateZ(0);animation:rain-drift 28s linear infinite}body:after{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background:repeating-linear-gradient(111deg,rgba(44,115,184,.04) 0 1px,transparent 1px 36px),repeating-linear-gradient(111deg,rgba(242,106,46,.02) 0 1px,transparent 1px 52px);opacity:.45;animation:rain-sheen 20s ease-in-out infinite}body>*{position:relative;z-index:1}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}a:hover{color:var(--color-orange)}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(223,229,238,.85);background:#fbfbfaeb;backdrop-filter:blur(18px)}.header-inner,.footer-inner,.section,.home-shelf{width:min(1180px,calc(100% - 32px));margin:0 auto}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:24px}.brand-link{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--color-ink);font-size:1.08rem;font-weight:850}.brand-link img{width:54px;height:auto;animation:logo-pulse 5.8s ease-in-out infinite;transform-origin:center;will-change:opacity,transform,filter}.desktop-nav,.header-actions,.site-footer nav,.product-links,.hero-actions,.fact-strip{display:flex;align-items:center}.desktop-nav{justify-content:center;gap:24px;color:var(--color-ink);font-size:.94rem;font-weight:760}.header-actions{gap:12px}.locale-switch{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border:1px solid var(--color-line);border-radius:999px;color:var(--color-ink);font-size:.92rem;font-weight:650}.home-shelf{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:24px 0 96px}.mobile-nav{display:none;position:relative}.mobile-nav summary{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--color-line);border-radius:var(--radius);cursor:pointer;list-style:none}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav summary span{width:18px;height:2px;margin:2px 0;border-radius:2px;background:var(--color-ink)}.mobile-nav nav{position:absolute;right:0;top:52px;display:grid;width:220px;padding:10px;border:1px solid var(--color-line);border-radius:var(--radius);background:var(--color-white);box-shadow:var(--shadow-soft)}.mobile-nav nav a{padding:12px;border-radius:6px;color:var(--color-ink);font-weight:650}.mobile-nav nav a:hover{background:var(--color-surface)}.hero-section{position:relative;min-height:640px;display:flex;align-items:center;overflow:hidden;background-color:#edf7f5;background-image:var(--hero-image);background-position:center;background-size:cover}.hero-section:before{content:"";position:absolute;inset:0;background:#ffffff94}.hero-content{position:relative;z-index:1;width:min(1180px,calc(100% - 32px));margin:0 auto;padding:120px 0}.eyebrow{margin:0 0 14px;color:var(--color-orange);font-size:.82rem;font-weight:800;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--color-ink);line-height:1.08;letter-spacing:0}h1{max-width:760px;margin-bottom:22px;font-size:3.55rem}.hero-content h1{max-width:650px}h2{margin-bottom:14px;font-size:2.1rem}h3{margin-bottom:10px;font-size:1.28rem}p{line-height:1.7}.hero-content>p:not(.eyebrow),.section-heading p,.intro-copy p{max-width:680px;color:var(--color-text);font-size:1.08rem}.hero-content>p:not(.eyebrow){max-width:590px}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:var(--radius);font-weight:750}.button-primary{color:var(--color-white);background:var(--color-ink)}.button-secondary{color:var(--color-ink);border-color:var(--color-line);background:#ffffffdb}.section{padding:84px 0}.section-compact{padding-top:24px}.intro-section{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}.fact-strip{flex-wrap:wrap;justify-content:flex-end;gap:10px}.fact-strip span{padding:10px 14px;border:1px solid var(--color-line);border-radius:var(--radius);color:var(--color-ink);background:var(--color-white);font-weight:700}.section-heading{display:grid;gap:6px;margin-bottom:30px}.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:24px}.product-grid-pair{grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:24px}.product-card{display:grid;overflow:hidden;border:1px solid var(--color-line);border-radius:var(--radius);background:var(--color-white);box-shadow:none;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.product-card:hover{transform:translateY(-2px);border-color:#cfd5dd;box-shadow:0 18px 42px #12131614}.product-media{aspect-ratio:1;background:var(--color-surface)}.product-media img{width:100%;height:100%;object-fit:cover}.product-card-channel .product-media{background:#edf8f5}.product-card-channel .product-media img{object-fit:contain;padding:14px}.product-copy{display:grid;align-content:start;padding:22px}.product-summary{margin-bottom:8px;color:var(--color-ink);font-weight:700}.product-description{color:var(--color-muted)}.product-links{flex-wrap:wrap;gap:8px;margin-top:10px}.product-links a,.product-links span{display:inline-flex;align-items:center;min-height:38px;padding:0 12px;border-radius:999px;color:var(--color-white);background:var(--color-ink);font-size:.9rem;font-weight:750}.contact-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.contact-panel>div,.policy-body,.legal-body{border:1px solid var(--color-line);border-radius:var(--radius);background:var(--color-white);padding:24px}.policy-body,.legal-body{display:grid;gap:6px}.policy-body h2,.legal-body h2{margin:22px 0 0;font-size:1.35rem}.legal-body{width:min(1000px,calc(100% - 32px));margin:0 auto;padding:0;border:0;border-radius:0;background:transparent}.legal-body p{margin-bottom:0;color:var(--color-text)}.site-footer{margin-top:70px;border-top:1px solid var(--color-line);background:#f1f3f5}.footer-inner{display:grid;grid-template-columns:1fr auto;gap:32px;padding:44px 0}.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:12px;color:var(--color-ink);font-size:1.08rem;font-weight:850}.footer-logo{width:50px;height:auto;animation:logo-pulse 5.8s ease-in-out infinite;transform-origin:center;will-change:opacity,transform,filter}.site-footer nav{flex-wrap:wrap;justify-content:flex-end;gap:18px;color:var(--color-ink);font-weight:700}.footer-bottom{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 20px;padding:18px 16px;border-top:1px solid var(--color-line);color:var(--color-muted);font-size:.9rem}.wechat-toast{position:fixed;left:50%;bottom:20px;z-index:60;transform:translate3d(-50%,14px,0);min-width:min(92vw,320px);max-width:min(92vw,420px);padding:12px 16px;border:1px solid rgba(18,19,22,.14);border-radius:999px;background:#121316eb;color:var(--color-white);text-align:center;font-size:.95rem;font-weight:700;letter-spacing:0;opacity:0;pointer-events:none;transition:opacity .16s ease,transform .16s ease;box-shadow:0 16px 40px #12131633}.wechat-toast.is-visible{opacity:1;transform:translate3d(-50%,0,0)}@media(max-width:820px){.desktop-nav{display:none}.mobile-nav{display:block}.brand-link img{width:48px}.locale-switch{display:none}.hero-section{min-height:560px;background-position:78% center}.hero-section:before{background:#fffffff0}.hero-content{padding:88px 0}h1{font-size:2.35rem}.home-shelf{width:min(100% - 24px,1180px);padding:36px 0 68px}.product-grid-pair{grid-template-columns:1fr}.legal-body{width:min(100%,calc(100% - 24px))}h2{font-size:1.72rem}.intro-section,.footer-inner,.contact-panel{grid-template-columns:1fr}.fact-strip,.site-footer nav{justify-content:flex-start}.section{padding:58px 0}}@media(max-width:480px){.header-inner,.footer-inner,.section,.hero-content{width:min(100% - 24px,1180px)}.header-inner{min-height:68px}.hero-actions,.button{width:100%}.product-grid{gap:18px}}@keyframes logo-pulse{0%,to{opacity:.92;transform:scale(1);filter:drop-shadow(0 0 0 rgba(44,115,184,0))}35%{opacity:1;transform:scale(1.015);filter:drop-shadow(0 0 8px rgba(44,115,184,.18))}60%{opacity:.96;transform:scale(.995);filter:drop-shadow(0 0 3px rgba(242,106,46,.12))}}@media(prefers-reduced-motion:reduce){.brand-link img,.footer-logo{animation:none}.wechat-toast{transition:none}body:before,body:after{animation:none}}@keyframes rain-drift{0%{transform:translate3d(0,-1.5vh,0);background-position:0 0,0 0,0 0,0 0,0 0,0 0}50%{transform:translate3d(0,1vh,0);background-position:18px 12px,-12px 24px,10px 8px,0 0,0 0,0 0}to{transform:translate3d(0,-1.5vh,0);background-position:36px 24px,-24px 48px,20px 16px,0 0,0 0,0 0}}@keyframes rain-sheen{0%,to{opacity:.38}50%{opacity:.5}}