.classic-body-wrapper{display:flex;flex-direction:row;width:100%;gap:40px;align-items:flex-start;max-width:1200px;margin:0 auto}.classic-hero-section{background:linear-gradient(135deg,#8B4513 0%,#A52A2A 100%);color:#fff;padding:80px 0;position:relative;width:100%;margin-bottom:50px;border-radius:0 0 20px 20px}.classic-hero-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');opacity:.3}.classic-hero-content{text-align:center;position:relative;z-index:2;max-width:800px;margin:0 auto}.chinese-char{display:block;font-size:4rem;font-family:"Noto Serif",serif;margin-bottom:10px;opacity:.8}.classic-hero-title{font-size:2.5rem;margin-bottom:20px;font-weight:300;color:#fff}.classic-hero-desc{font-size:1.2rem;opacity:.9;margin-bottom:40px}.classic-actions{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.classic-button{padding:12px 25px;border-radius:5px;text-decoration:none;font-weight:500;display:flex;align-items:center;gap:8px;transition:all 0.3s ease}.classic-button.primary{background:var(--color-gold);color:var(--color-brown)}.classic-button.secondary{background:#fff0;color:#fff;border:2px solid var(--color-gold)}.classic-content-area{flex:1;min-width:0}.classic-sidebar-area{width:320px;flex-shrink:0;position:sticky;top:80px}.classic-sidebar-area .sidebar-widget{background:#fff;padding:20px;margin-bottom:25px;border-radius:8px;border:1px solid #eee;box-shadow:0 2px 10px rgb(0 0 0 / .03)}.classic-section-title{font-size:1.8rem;color:var(--color-brown);margin-bottom:30px;display:flex;align-items:center;gap:15px;border-bottom:2px solid var(--color-yellow-light);padding-bottom:10px}.classic-tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin-bottom:40px}.classic-tool-card{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 8px rgb(0 0 0 / .08);border-left:4px solid var(--color-gold);transition:transform 0.3s ease}.classic-tool-card:hover{transform:translateY(-5px)}.classic-tool-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}.classic-tool-header i{font-size:1.4rem;color:var(--color-red-dark);width:24px}.classic-tool-header h3{color:var(--color-brown);margin:0;font-size:1.1rem;font-weight:700}.classic-tool-card p{color:#666;margin-bottom:15px;line-height:1.4;font-size:.95rem}.classic-tool-link{color:var(--color-red-dark);text-decoration:none;font-weight:600;display:inline-flex;align-items:center;gap:5px;font-size:.9rem}.classic-blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.classic-blog-card{background:#fff;border-radius:8px;box-shadow:0 2px 8px rgb(0 0 0 / .05);border-bottom:3px solid var(--color-gold);overflow:hidden;display:flex;flex-direction:column;height:100%}.classic-blog-thumbnail{width:100%;height:180px;overflow:hidden;background:#eee}.classic-blog-thumbnail img{width:100%;height:100%;object-fit:cover;transition:transform 0.3s ease}.classic-blog-card:hover .classic-blog-thumbnail img{transform:scale(1.1)}.classic-blog-content{padding:20px;display:flex;flex-direction:column;flex-grow:1}.classic-blog-title{margin-top:0;margin-bottom:10px;line-height:1.4;font-size:1.1rem}.classic-blog-title a{color:var(--color-brown);text-decoration:none;font-weight:600}.classic-blog-title a:hover{color:var(--color-red-dark)}.classic-blog-excerpt{font-size:.95rem;color:#666;margin-bottom:15px;line-height:1.5;flex-grow:1}@keyframes btnPulse{0%{transform:scale(1);box-shadow:0 0 0 0 rgb(212 175 55 / .7)}50%{transform:scale(1.05);box-shadow:0 0 0 10px #fff0}100%{transform:scale(1);box-shadow:0 0 0 0 #fff0}}.btn-pulse{animation:btnPulse 2s infinite;position:relative;z-index:1}.promo-section{padding:30px;border-radius:12px;margin-bottom:40px;text-align:center;position:relative;overflow:hidden}.bg-cream{background-color:#FFF8E1;border:1px solid #F7E6A1}.bg-white{background-color:#fff}.border-gold{border:2px solid #D4AF37}.promo-badge{display:inline-block;background:#8B3A3A;color:#fff;padding:5px 15px;border-radius:20px;font-size:.85rem;font-weight:600;margin-bottom:15px;text-transform:uppercase}.promo-badge.black{background:#2C1E12;color:#D4AF37}.promo-title{font-size:1.8rem;color:#3F2E1D;margin-bottom:10px;font-family:"Noto Serif",serif}.promo-desc{font-size:1.1rem;margin-bottom:25px;color:#555;max-width:800px;margin-left:auto;margin-right:auto}.cta-row{display:flex;justify-content:center;gap:15px;flex-wrap:wrap;margin-bottom:25px}.phongthuy-btn{display:inline-block;padding:12px 25px;border-radius:25px;text-decoration:none;transition:all 0.3s ease}.phongthuy-btn.btn-red{background:#8B3A3A;color:#fff;font-weight:700;box-shadow:0 4px 15px rgb(139 58 58 / .3);border:none}.phongthuy-btn.btn-gold{background:#D4AF37;color:#fff;font-weight:700;border:none}.phongthuy-btn.btn-outline{background:#fff0;border:2px solid #8B3A3A;color:#8B3A3A;font-weight:600}.phongthuy-btn:hover{transform:translateY(-2px);opacity:.9}.promo-reasons-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;text-align:left}.reason-card{background:rgb(255 255 255 / .6);padding:15px;border-radius:8px}.tick-list{list-style:none;padding:0;margin:0}.tick-list li{position:relative;padding-left:25px;margin-bottom:8px}.tick-list li::before{content:'✔';color:green;position:absolute;left:0;font-weight:700}.compare-table-wrapper{width:100%}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;max-width:700px;margin:0 auto;border:1px solid #eee;border-radius:12px;overflow:hidden}.compare-col{padding:20px;background:#f9f9f9;text-align:left}.compare-col.pro{background:#FFF8E1;border-left:1px solid #eee;position:relative}.badge-pro{position:absolute;top:0;right:0;background:#D4AF37;color:#fff;font-size:10px;padding:3px 8px;border-bottom-left-radius:8px;font-weight:700}.compare-col h4{text-align:center;margin-bottom:15px;color:#8B3A3A;text-transform:uppercase;font-size:1rem;font-weight:700}.feature-list{list-style:none;padding:0;margin:0;font-size:.9rem}.feature-list li{margin-bottom:8px;padding-left:25px;position:relative}.feature-list li.checked::before{content:'✓';color:green;position:absolute;left:0;font-weight:700}.feature-list li.unchecked{opacity:.5;text-decoration:line-through}.feature-list li.unchecked::before{content:'✕';color:red;position:absolute;left:0}@media (max-width:900px){.classic-body-wrapper{flex-direction:column;gap:30px}.classic-sidebar-area{width:100%;position:static}.classic-hero-title{font-size:2rem}.classic-blog-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.promo-reasons-grid,.compare-grid{grid-template-columns:1fr}.cta-row{flex-direction:column}.phongthuy-btn{width:100%;text-align:center;box-sizing:border-box}}@media (max-width:480px){.classic-blog-grid{grid-template-columns:1fr}}