.sp-page{--sp-ink:#153554;--sp-navy:#0b2349;--sp-blue:#2b6be6;--sp-line:#dfe8f2;--sp-line-soft:#dbe7f6;--sp-muted:#6b7b91;--sp-soft:#eef4fb;background:#fff;color:var(--sp-ink)}.sp-intro{background:radial-gradient(ellipse 70% 55% at 88% 18%,rgba(43,106,230,.08),transparent 55%),linear-gradient(180deg,#f5f9fd,#fff);border-bottom:1px solid var(--sp-line)}.sp-intro-inner{max-width:1224px;margin:0 auto;padding:7.25rem 1.25rem 2.85rem}@media (min-width:1024px){.sp-intro-inner{padding-left:2.5rem;padding-right:2.5rem}}.sp-crumb{display:flex;flex-wrap:wrap;gap:.4rem;font-size:12px;color:var(--sp-muted)}.sp-crumb a:hover{color:var(--sp-blue)}.sp-hero{padding:1.5rem 0 .35rem}.sp-kicker{color:var(--sp-blue);font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}.sp-hero h1{margin-top:.65rem;color:var(--sp-navy);font-size:clamp(28px,4vw,40px);font-weight:700;line-height:1.25;letter-spacing:-.02em}.sp-lead{margin-top:.85rem;max-width:36rem;color:var(--sp-muted);font-size:15px;line-height:1.8}.sp-wrap{max-width:1224px;margin:0 auto;padding:0 1.25rem 4.5rem}@media (min-width:1024px){.sp-wrap{padding-left:2.5rem;padding-right:2.5rem}}.sp-section{padding:3.5rem 0}.sp-heading{margin-bottom:1.75rem}.sp-heading .sp-kicker{display:block}.sp-heading h2{margin-top:.5rem;color:var(--sp-navy);font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.3}.sp-heading p{margin-top:.65rem;color:var(--sp-muted);font-size:14px;line-height:1.75}.sp-contact-grid{display:grid;gap:1.25rem}@media (min-width:960px){.sp-contact-grid{grid-template-columns:.9fr 1fr 1.2fr;align-items:stretch}}.sp-card{border:1px solid var(--sp-line);border-radius:10px;background:#fff;padding:1.75rem}.sp-card h3{color:var(--sp-navy);font-size:18px;font-weight:700;line-height:1.4}.sp-card>p{margin-top:.55rem;color:var(--sp-muted);font-size:13px;line-height:1.7}.sp-wechat{text-align:center}.sp-wechat h3,.sp-wechat>p{text-align:left}.sp-qr{width:168px;margin:1.35rem auto .75rem;border:1px solid var(--sp-line);border-radius:8px;background:#fff;padding:.55rem;overflow:hidden}.sp-qr img{display:block;width:100%;height:auto}.sp-muted{display:block;color:#8a97a8;font-size:12px;line-height:1.6}.sp-phone{display:inline-block;margin-top:1.15rem;color:var(--sp-navy);font-size:22px;font-weight:700;letter-spacing:.01em}.sp-mail,.sp-phone:hover{color:var(--sp-blue)}.sp-mail{display:inline-flex;margin-top:.55rem;font-size:14px;font-weight:650}.sp-mail:hover{text-decoration:underline}.sp-link{display:inline-flex;align-items:center;margin-top:.85rem;color:var(--sp-blue);font-size:13px;font-weight:650}.sp-link:hover{text-decoration:underline}.sp-list{display:grid;gap:.45rem;margin-top:1rem;color:var(--sp-muted);font-size:13px;line-height:1.7}.sp-list li{display:flex;gap:.45rem}.sp-list li:before{content:"";margin-top:.55rem;height:5px;width:5px;flex-shrink:0;border-radius:999px;background:var(--sp-blue)}.sp-button{display:inline-flex;height:42px;align-items:center;justify-content:center;margin-top:1.15rem;border-radius:8px;background:var(--sp-blue);padding:0 1.15rem;color:#fff;font-size:14px;font-weight:650;transition:background .2s}.sp-button:hover{background:#245891}.sp-button-note{display:block;margin-top:.55rem;color:#8a97a8;font-size:12px;line-height:1.6}.sp-context{margin-top:1.35rem;color:var(--sp-muted);font-size:14px;line-height:1.7}.sp-context a{margin-left:.15rem;color:var(--sp-blue);font-weight:650}.sp-context a:hover{text-decoration:underline}.sp-resources-row{display:grid;gap:2.5rem;padding:1rem 0 .5rem;border-top:1px solid var(--sp-line)}@media (min-width:1024px){.sp-resources-row{grid-template-columns:1fr 1fr;gap:3rem;padding:3.5rem 0;align-items:start}.sp-resources-row>.sp-section{padding:0}}.sp-faq details{border-bottom:1px solid var(--sp-line)}.sp-faq summary{display:grid;grid-template-columns:5.5rem 1fr auto;gap:.85rem;align-items:center;padding:1.15rem 0;cursor:pointer;list-style:none}.sp-faq summary::-webkit-details-marker{display:none}.sp-faq-label{color:#8a97a8;font-size:12px;font-weight:550;line-height:1.4}.sp-faq summary h3{color:var(--sp-navy);font-size:15px;font-weight:650;line-height:1.45}.sp-expand{position:relative;width:16px;height:16px;flex-shrink:0}.sp-expand:after,.sp-expand:before{content:"";position:absolute;left:50%;top:50%;background:var(--sp-blue);transition:transform .2s,opacity .2s}.sp-expand:before{width:12px;height:1.5px;transform:translate(-50%,-50%)}.sp-expand:after{width:1.5px;height:12px;transform:translate(-50%,-50%)}.sp-faq details[open] .sp-expand:after{opacity:0}.sp-answer{padding:0 0 1.2rem 6.35rem}.sp-answer p{color:var(--sp-muted);font-size:13px;line-height:1.75}.sp-answer .sp-link{margin-top:.7rem}.sp-faq-more{margin-top:1.15rem}@media (max-width:640px){.sp-faq summary{grid-template-columns:1fr auto}.sp-faq-label{grid-column:1/-1}.sp-answer{padding-left:0}}.sp-download-panel{display:grid;gap:1.35rem;border:1px solid var(--sp-line-soft);border-radius:10px;background:radial-gradient(ellipse 80% 60% at 100% 0,rgba(43,106,230,.08),transparent 55%),#f8fbfe;padding:1.85rem}.sp-download-panel h3{color:var(--sp-navy);font-size:18px;font-weight:700;line-height:1.4}.sp-download-panel>div>p{margin-top:.7rem;color:var(--sp-muted);font-size:13px;line-height:1.75}.sp-tags{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1.1rem}.sp-tags span{border-radius:999px;background:#fff;padding:.28rem .7rem;color:#48709f;font-size:12px;font-weight:550;border:1px solid var(--sp-line)}.sp-download-actions{display:flex;flex-direction:column;align-items:flex-start;gap:.35rem;padding-top:1.15rem;border-top:1px dashed var(--sp-line)}.sp-download-actions .sp-button{margin-top:0}.sp-download-actions .sp-link{margin-top:.35rem}.sp-developer-grid{display:grid;gap:1.25rem}@media (min-width:900px){.sp-developer-grid{grid-template-columns:repeat(3,1fr)}}.sp-dev-card{display:flex;flex-direction:column;border:1px solid var(--sp-line);border-radius:10px;background:#fff;padding:1.75rem;transition:border-color .2s,box-shadow .2s}.sp-dev-card:hover{border-color:#b8cdf0;box-shadow:0 10px 28px rgba(26,58,107,.06)}.sp-resource-type{color:var(--sp-blue);font-size:11px;font-weight:700;letter-spacing:.14em}.sp-dev-card h3{margin-top:.55rem;color:var(--sp-navy);font-size:17px;font-weight:700;line-height:1.4}.sp-dev-card p{margin-top:.55rem;flex:1;color:var(--sp-muted);font-size:13px;line-height:1.7}.sp-dev-card .sp-link{margin-top:1rem}