:root{--nextpcb-red:#CC0000;--nextpcb-darkred:#990000;--nextpcb-mediumred:#FF3333;--nextpcb-lightred:#FFCCCC;--brand-yellow:#FDB913;--brand-offwhite:#f2f2f2;--light-gray:#e8eef5;--text-dark:#333;--text-medium:#666;--text-light:#888;--border-color:#d8dfe8;--success:#00c853;--warning:#ff9800;--card-shadow:0 5px 15px rgba(0,0,0,0.08);--transition:all 0.25s ease}*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif}body{background-color:var(--brand-offwhite)}.advance-pcb{color:var(--text-dark);line-height:1.6;font-size:14px;max-width:1600px;margin:0 auto}.advance-pcb ul,.advance-pcb ol{list-style:unset}.hero{background:linear-gradient(rgba(50,50,50,0.85), rgba(40,40,40,0.92)),url(../../../images/activity/advancePCB/banner.avif);background-size:cover;background-position:center;color:white;padding:40px 20px 70px;text-align:center;position:relative}.hero-content{max-width:900px;margin:0 auto}.hero h1{font-size:36px;line-height:1.2;margin-bottom:15px;font-weight:800}.hero p{font-size:18px;max-width:700px;margin:0 auto 30px auto;color:rgba(255,255,255,0.9)}.advantages{display:flex;justify-content:center;flex-wrap:nowrap;gap:15px;margin-top:50px;max-width:1200px;margin-left:auto;margin-right:auto}.advantage-card{background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.15);backdrop-filter:blur(10px);border-radius:12px;padding:20px 15px;flex:1;min-width:180px;text-align:center;transition:var(--transition)}.advantage-card:hover{transform:translateY(-5px)}.advantage-card i{font-size:28px;color:var(--nextpcb-red);margin-bottom:12px}.advantage-card h3{font-size:16px;margin-bottom:8px}.advantage-card p{font-size:13px;color:rgba(255,255,255,0.85);margin:0}.section-title{text-align:center;font-size:32px;margin:60px 0 15px;color:var(--nextpcb-red);position:relative;padding-bottom:20px}.section-title:after{content:"";position:absolute;width:70px;height:4px;background:var(--nextpcb-red);bottom:0;left:50%;transform:translateX(-50%);border-radius:3px}.section-subtitle{text-align:center;max-width:920px;margin:0 auto 40px;font-size:16px;color:var(--text-medium);line-height:1.5;padding:0 20px;overflow:hidden;text-overflow:ellipsis}.categories{display:flex;justify-content:center;flex-wrap:nowrap;gap:15px;max-width:1300px;margin:0 auto 50px;padding:0 20px}.category-card{background:white;border-radius:10px;padding:25px;flex:1;min-width:180px;box-shadow:var(--card-shadow);transition:var(--transition);border-top:4px solid var(--nextpcb-red);text-align:center;cursor:pointer}.category-card:hover{transform:translateY(-8px);box-shadow:0 10px 25px rgba(204,0,0,0.15)}.category-card i{font-size:36px;color:var(--nextpcb-red);margin-bottom:15px}.category-card h3{font-size:18px;color:var(--text-dark);margin-bottom:10px}.category-card p{color:var(--text-light);font-size:13px;margin-bottom:12px;min-height:40px}.count{background:var(--nextpcb-lightred);padding:4px 15px;border-radius:15px;font-weight:700;color:var(--nextpcb-red);display:inline-block;font-size:13px}.materials-container{max-width:1600px;margin:0 auto;padding:0 20px 60px}.material-description{max-width:1100px;margin:0 auto 30px;background:white;padding:30px 40px;border-radius:12px;box-shadow:var(--card-shadow);border-left:4px solid var(--nextpcb-red);position:relative}.material-description h3{font-size:24px;color:var(--nextpcb-red);margin-bottom:15px;display:flex;align-items:center;gap:12px}.material-description h3 i{background:var(--nextpcb-lightred);padding:12px;border-radius:50%}.material-description p{margin-bottom:12px;color:var(--text-medium);line-height:1.8;font-size:15px}.material-description ul{padding-left:20px;margin-top:15px}.material-description ul li{margin-bottom:12px;color:var(--text-medium);font-size:15px;line-height:1.7}.material-description ul li::marker{color:var(--nextpcb-red)}.table-container{background:white;border-radius:12px;overflow:hidden;box-shadow:var(--card-shadow);margin-top:25px}.table-header{padding:20px 30px;display:flex;justify-content:space-between;align-items:center;background:var(--nextpcb-red);color:white;gap:20px}.table-header h3{font-size:22px;font-weight:700;letter-spacing:0.3px}.table-header p{color:rgba(255,255,255,0.9);font-size:15px}.controls{display:flex;gap:15px;align-items:center;width:100%;max-width:480px}.search-box{position:relative;display:flex;align-items:center;flex:1}.search-box input{padding:10px 16px;padding-left:42px;border:none;border-radius:6px;width:100%;font-size:15px;transition:var(--transition);box-shadow:0 2px 6px rgba(0,0,0,0.1)}.search-box input:focus{outline:none;box-shadow:0 0 0 3px rgba(204,0,0,0.15)}.search-box i{position:absolute;left:15px;color:var(--nextpcb-mediumred);font-size:16px}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:1000px;table-layout:fixed}thead{background-color:#f9f9f9}th{padding:15px 20px;text-align:left;font-weight:700;color:var(--nextpcb-red);font-size:15px;border-bottom:2px solid var(--border-color);white-space:nowrap}td{padding:13px 20px;border-bottom:1px solid var(--border-color);font-size:14px;color:var(--text-medium);word-break:break-word}tbody tr{transition:var(--transition)}tbody tr:hover{background-color:#fff5f5}.highlight{font-weight:700;color:var(--nextpcb-red)}.halogen-no{background:#e5ffef;color:#008a46;padding:4px 12px;border-radius:15px;font-size:13px;display:inline-block;font-weight:600}.halogen-yes{background:#ffeaea;color:#CC0000;padding:4px 12px;border-radius:15px;font-size:13px;display:inline-block;font-weight:600}.download-link{text-decoration:none;color:var(--nextpcb-red);font-weight:700;display:inline-flex;align-items:center;gap:6px;transition:var(--transition);padding:4px 10px;border-radius:5px;font-size:13px}.download-link:hover{background:var(--nextpcb-lightred)}.load-more{text-align:center;padding:30px 0}.load-btn{background:var(--nextpcb-red);color:white;border:none;padding:12px 40px;border-radius:8px;font-weight:700;font-size:15px;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:8px;letter-spacing:0.5px}.load-btn:hover{background:var(--nextpcb-mediumred);transform:translateY(-2px);box-shadow:0 7px 20px rgba(204,0,0,0.3)}.info-container{max-width:1500px;margin:0 auto;display:flex;flex-wrap:nowrap;gap:15px;padding:0 20px}.info-card{background:white;border-radius:12px;padding:25px;flex:1;min-width:220px;box-shadow:var(--card-shadow);position:relative;overflow:hidden;border-top:3px solid var(--nextpcb-red);transition:var(--transition)}.info-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(204,0,0,0.15)}.info-card h3{font-size:17px;color:var(--nextpcb-red);margin-bottom:18px;display:flex;align-items:center;gap:10px}.info-card h3 i{background:var(--nextpcb-lightred);padding:8px;border-radius:50%;width:38px;height:38px;min-width:38px;display:flex;align-items:center;justify-content:center;font-size:16px}.info-card p{color:var(--text-medium);margin-bottom:14px;line-height:1.6;font-size:14px}.info-card ul{list-style:none;margin-top:14px;padding-left:10px}.info-card ul li{margin-bottom:12px;padding-left:28px;position:relative;color:var(--text-medium);line-height:1.6;font-size:14px}.info-card ul li:before{content:'✓';position:absolute;left:0;top:0;color:white;background:var(--nextpcb-red);font-weight:bold;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px}.info-card .recommended{background:var(--nextpcb-lightred);padding:12px;border-radius:8px;margin-top:16px;font-size:13px;line-height:1.6}.faq-section{background-color:white;max-width:1200px;margin:60px auto;padding:40px;border-radius:12px;box-shadow:var(--card-shadow);position:relative}.faq-section:before{content:'';position:absolute;top:-5px;left:50%;transform:translateX(-50%);width:70%;height:4px;background-color:var(--nextpcb-red);border-radius:2px}.faq-header{text-align:center;margin-bottom:30px}.faq-header h2{font-size:30px;color:var(--nextpcb-red);margin-bottom:15px}.faq-header p{color:var(--text-medium);max-width:700px;margin:0 auto}.faq-container{margin-top:20px}.faq-item{margin-bottom:20px;border-radius:10px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,0.08);border:1px solid var(--border-color);transition:var(--transition)}.faq-item:not(.open):hover{box-shadow:0 5px 15px rgba(204,0,0,0.15)}.faq-item.open{border-left:4px solid var(--nextpcb-red)}.faq-question{font-size:18px;font-weight:600;padding:20px;background-color:#fff;display:flex;align-items:center;justify-content:space-between;cursor:pointer;position:relative;z-index:2}.faq-question::after{content:'+';font-size:24px;transition:transform 0.3s ease;color:var(--nextpcb-darkred)}.faq-item.open .faq-question::after{transform:rotate(45deg)}.faq-answer{background-color:#fff;max-height:0;overflow:hidden;transition:max-height 0.3s ease, padding 0.3s ease}.faq-item.open .faq-answer{max-height:400px}.faq-answer div{padding:0 20px 20px;color:var(--text-medium);line-height:1.7}.faq-answer div ul{padding-left:20px}.note{background-color:var(--nextpcb-lightred);padding:12px 20px;margin-top:15px;border-radius:8px;font-size:15px;color:var(--nextpcb-darkred)}.cta-section{text-align:center;padding:70px 20px;background:linear-gradient(135deg, #1a1a1a, #363636);color:white;position:relative;overflow:hidden;margin-top:20px;margin-bottom:60px}.cta-section::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--nextpcb-red)}.cta-content{max-width:800px;margin:0 auto;position:relative;z-index:2}.cta-section h2{font-size:36px;margin-bottom:20px;color:white}.cta-section p{max-width:600px;margin:0 auto 35px;font-size:18px;color:#ccc;line-height:1.7}.cta-buttons{display:flex;justify-content:center;gap:25px;flex-wrap:wrap}.cta-btn{padding:15px 40px;border-radius:8px;font-weight:700;font-size:16px;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:10px;text-decoration:none}.primary-btn{background:var(--nextpcb-red);color:white;border:2px solid var(--nextpcb-red)}.primary-btn:hover{background:transparent;transform:translateY(-4px);box-shadow:0 5px 20px rgba(204,0,0,0.5)}.secondary-btn{background:transparent;color:white;border:2px solid white}.secondary-btn:hover{background:rgba(255,255,255,0.1);transform:translateY(-4px)}@media (max-width: 1200px){.categories{max-width:1100px;gap:10px}.category-card{padding:15px}.faq-section{padding:30px}}@media (max-width: 992px){.advantages{flex-wrap:wrap}.advantage-card{min-width:180px;width:calc(48% - 15px);margin-bottom:15px}.categories{flex-wrap:wrap}.category-card{width:calc(33% - 15px);min-width:0}.section-subtitle{white-space:normal;font-size:15px}.info-container{flex-wrap:wrap;justify-content:center}.info-card{width:calc(50% - 20px);min-width:auto}}@media (max-width: 768px){.hero h1{font-size:28px}.hero p{font-size:16px}.section-title{font-size:28px}.section-subtitle{white-space:normal;font-size:14px}.categories{flex-wrap:wrap}.category-card{width:calc(50% - 10px)}.info-card{width:100%}.material-description{padding:20px}.table-header{flex-direction:column;align-items:flex-start}.table-header h3{font-size:20px}.table-header p{font-size:14px}.cta-section h2{font-size:28px}.cta-buttons{flex-direction:column;gap:15px;align-items:center}.cta-btn{width:100%;max-width:300px;justify-content:center;padding:14px}.faq-question{font-size:16px}}@media (max-width: 576px){.category-card{width:100%;max-width:320px}.section-title{font-size:24px}.cta-section{padding:50px 15px}.cta-section h2{font-size:24px}.cta-section p{font-size:16px}.advantage-card{width:100%}.info-card ul li{padding-left:25px;font-size:13px}.faq-section{padding:20px}.faq-header h2{font-size:26px}}