:root{--hf-primary-blue:#00a2ff;--hf-text-dark:#333333;--hf-text-gray:#666666;--hf-bg-light:#f8f9fa}.hifine-about-wrapper{color:var(--hf-text-dark);line-height:1.6}.hf-container{max-width:1200px;margin:0 auto;padding:0 20px}.hf-section-title{text-align:center;font-size:2rem;font-weight:700;margin-bottom:40px;color:var(--hf-text-dark)}.hf-hero-section{background:linear-gradient(rgb(0 30 60 / .7),rgb(0 30 60 / .7)),url(https://hifinefilter.com/wp-content/uploads/HIFINE-Product-Showroom.png) center/cover no-repeat;background-color:#001e3c;height:400px;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff}.hf-hero-content h1{font-size:2.8rem;margin-bottom:15px;color:#fff}.hf-hero-content p{font-size:1.2rem;opacity:.9}.hf-stats-section{background-color:#fff;padding:60px 0;box-shadow:0 4px 20px rgb(0 0 0 / .05);position:relative;z-index:10;margin-top:-30px;border-radius:8px;max-width:1100px;margin-left:auto;margin-right:auto}.hf-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;gap:20px}.hf-stat-item{display:flex;flex-direction:column}.hf-stat-num{font-size:3rem;font-weight:800;color:var(--hf-primary-blue);line-height:1.1}.hf-stat-text{font-size:1rem;color:var(--hf-text-gray);margin-top:10px;font-weight:500}.hf-brands-section{padding:80px 0;background-color:var(--hf-bg-light)}.hf-story-section{padding:80px 0}.hf-story-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.hf-story-text h2{font-size:2rem;margin-bottom:20px;color:var(--hf-primary-blue)}.hf-story-text p{color:var(--hf-text-gray);margin-bottom:15px;font-size:1.05rem}.hf-certifications{margin-top:30px;display:flex;flex-direction:column;gap:10px}.hf-certifications span{font-weight:600;color:var(--hf-text-dark);display:flex;align-items:center}.hf-certifications span::before{content:"✓";color:#fff;background-color:var(--hf-primary-blue);border-radius:50%;width:20px;height:20px;display:inline-flex;justify-content:center;align-items:center;font-size:12px;margin-right:10px}.hf-story-image img{width:100%;border-radius:12px;box-shadow:0 10px 30px rgb(0 0 0 / .1)}.hf-video-section{padding:60px 0 100px;background-color:#fff}.hf-video-container{width:100%;border-radius:12px;overflow:hidden;box-shadow:0 10px 30px rgb(0 0 0 / .1)}.hf-cta-section{background:linear-gradient(135deg,#0056b3 0%,var(--hf-primary-blue) 100%);padding:80px 0;text-align:center;color:#fff}.hf-cta-content h2{font-size:2.4rem;margin-bottom:15px;color:#fff;font-weight:700}.hf-cta-content p{font-size:1.2rem;margin-bottom:35px;opacity:.9}.hf-cta-button{display:inline-block;background-color:#fff;color:var(--hf-primary-blue);padding:16px 45px;font-size:1.1rem;font-weight:700;text-decoration:none;border-radius:50px;transition:all 0.3s ease;box-shadow:0 4px 15px rgb(0 0 0 / .2)}.hf-cta-button:hover{background-color:#f8f9fa;transform:translateY(-3px);box-shadow:0 8px 25px rgb(0 0 0 / .3);color:#0056b3}.hf-fade-in{opacity:0;transform:translateY(30px);transition:opacity 0.8s ease-out,transform 0.8s ease-out}.hf-fade-in.is-visible{opacity:1;transform:translateY(0)}@media (max-width:768px){.hf-hero-content h1{font-size:2rem}.hf-stats-section{margin-top:0;border-radius:0;padding:40px 20px}.hf-stats-grid{grid-template-columns:1fr 1fr;gap:30px}.hf-story-grid{grid-template-columns:1fr}.hf-cta-section{padding:60px 20px}.hf-cta-content h2{font-size:1.8rem}}