Fix CTA contrast and clarify audience reach copy

app/globals.css

@@ -40,3 +40,6 @@ footer{background:radial-gradient(circle at 15% 0,rgba(112,64,232,.16),transpare
 
 @media(max-width:1040px){.original-card{right:0}.service-grid{gap:12px}.process-list article{padding:28px}}
 @media(max-width:760px){.hero{padding-top:54px}.hero:before{width:230px;height:230px;right:-80px}.hero-art{min-height:480px}.portrait-card{inset:20px 42px 38px 0}.twin-card{right:-4px;top:42px;width:168px}.original-card{right:3px;bottom:28px;width:190px}.orbit-label{bottom:72px}.proof{border-radius:18px}.model-copy>p{font-size:16px}.service-grid{gap:12px}.service-grid article{min-height:270px;border-radius:18px!important}.scenario{border-radius:20px}.cta{border-radius:22px}.process-list article{padding:24px 20px}.faq details{padding:0 14px}.form{border-radius:20px}}
+
+/* Keep the white CTA readable against the dark partnership section. */
+.dark .btn.pale{color:var(--ink)}

app/page.tsx

@@ -33,7 +33,7 @@ export default function Home() {
       <div className="service-grid">{services.map(([no,title,text])=><article key={no}><span>{no}</span><div/><h3>{title}</h3><p>{text}</p></article>)}</div>
     </section>
 
-    <section className="section dark"><div className="shell"><div className="split light"><div><p className="kicker">PARTNERSHIP VALUE</p><h2>从“做更多内容”，<br/>到“经营更多价值”。</h2></div><Link className="btn pale" href="/advantages">了解合作优势 <b>→</b></Link></div><div className="flow">{[["01","内容被看见","扩大触达"],["02","互动被回应","建立关系"],["03","信任被沉淀","形成资产"],["04","影响力变现","持续增长"]].map((x,i)=><article className={i===3?"hot":""} key={x[0]}><span>{x[0]}</span><strong>{x[1]}</strong><small>{x[2]}</small></article>)}</div></div></section>
+    <section className="section dark"><div className="shell"><div className="split light"><div><p className="kicker">PARTNERSHIP VALUE</p><h2>从“做更多内容”，<br/>到“经营更多价值”。</h2></div><Link className="btn pale" href="/advantages">了解合作优势 <b>→</b></Link></div><div className="flow">{[["01","持续触达粉丝","扩大内容覆盖"],["02","互动被回应","建立关系"],["03","信任被沉淀","形成资产"],["04","影响力变现","持续增长"]].map((x,i)=><article className={i===3?"hot":""} key={x[0]}><span>{x[0]}</span><strong>{x[1]}</strong><small>{x[2]}</small></article>)}</div></div></section>
 
     <section className="section shell">
       <div className="title-row"><div><p className="kicker">USE CASES</p><h2>适配不同阶段的合作方式</h2></div><Link className="link" href="/cases">查看全部案例 <b>→</b></Link></div>