body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #ffffff;
            padding: 20px;
            color: #090909;
            line-height: 1.5;
            margin: 0;
        }

        .bkavca-wrapper {
            max-width: 1100px;
            margin: 0 auto;
        }

        /* Tách biệt header chung */
        .bkavca-wrapper h2.section-title {
            text-align: center;
            color: #d32f2f;
            font-weight: 700;
            font-size: 1.8rem;
            margin-bottom: 25px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* --- 2. BANNER LỚN (ID RIÊNG BIỆT ĐỂ TƯƠNG THÍCH CSS) --- */
        #bkavca-hero-banner {
            background: linear-gradient(135deg, #fe3734 0%, #d32f2f 100%);
            border-radius: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            padding: 60px 50px;
            color: white;
            margin-bottom: 40px;
            box-shadow: 0 15px 35px rgba(211, 47, 47, 0.25);
            min-height: 450px;
        }

        #bkavca-hero-banner .hero-content-area { 
            flex: 1.2; 
            min-width: 350px; 
            padding-right: 20px;
        }

        #bkavca-hero-banner .hero-title { 
            color: white !important; 
            text-align: left; 
            margin-bottom: 25px; 
            font-size: 2.8rem;
            text-transform: none;
            line-height: 1.2;
            letter-spacing: -0.5px;
            font-weight: 700;
        }

        #bkavca-hero-banner .hero-description { 
            margin: 12px 0; 
            font-size: 1.25rem;
            opacity: 0.95; 
            display: flex;
            align-items: center;
            gap: 12px;
        }

        #bkavca-hero-banner .hero-description i {
            font-size: 1.1rem;
            width: 25px;
        }
        
        #bkavca-hero-banner .hero-cta-button {
            background-color: white;
            color: #d32f2f;
            border: none;
            padding: 16px 45px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1.1rem;
            cursor: pointer;
            margin-top: 35px;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            text-decoration: none;
            display: inline-block;
        }

        #bkavca-hero-banner .hero-cta-button:hover { 
            transform: translateY(-3px); 
            box-shadow: 0 8px 20px rgba(0,0,0,0.2); 
            background-color: #f8f8f8;
        }

        #bkavca-hero-banner .hero-image-area { 
            flex: 0.8; 
            min-width: 300px; 
            text-align: center; 
        }

        #bkavca-hero-banner .hero-main-img { 
            max-width: 110%;
            height: auto; 
            filter: drop-shadow(0 15px 25px rgba(0,0,0,0.2));
            transform: scale(1.1);
        }

        /* --- 3. TAB SYSTEM --- */
        .tabs-container {
            margin: 50px 0 30px;
            display: flex;
            justify-content: center;
            gap: 20px;
        }

        .tab-btn {
            padding: 14px 50px;
            border: 2px solid #d32f2f;
            background: transparent;
            color: #d32f2f;
            font-weight: 700;
            font-size: 1.15rem;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .tab-btn.active {
            background: #d32f2f;
            color: white;
            box-shadow: 0 5px 15px rgba(211, 47, 47, 0.3);
        }

        .tab-content {
            display: none;
            animation: fadeIn 0.5s ease;
        }

        .tab-content.active {
            display: block;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(15px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* --- 4. TABLES --- */
        table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0 12px;
            margin-bottom: 35px;
        }

        thead tr {background-color: #f44336;color: #000000;}
        th, td { padding: 18px 20px; text-align: center; background-color: #ffffff; }
        
        th:first-child, td:first-child { text-align: left; padding-left: 30px; border-radius: 12px 0 0 12px; }
        th:last-child, td:last-child { border-radius: 0 12px 12px 0; }

        .total-row td { background-color: #fff5f5; font-weight: 700; color: #b71c1c; }

        .order-button {
            display: block;
            width: 200px;
            margin: 15px auto 50px auto;
            padding: 14px 0;
            background-color: #d32f2f;
            color: white !important;
            text-align: center;
            text-decoration: none;
            font-weight: 700;
            border-radius: 40px;
        }

        /* --- 5. RESPONSIVE --- */
        @media (max-width: 992px) {
            #bkavca-hero-banner { padding: 40px; text-align: center; min-height: auto; }
            #bkavca-hero-banner .hero-content-area { padding-right: 0; margin-bottom: 30px; }
            #bkavca-hero-banner .hero-title { text-align: center; font-size: 2.2rem; }
            #bkavca-hero-banner .hero-description { justify-content: center; }
            #bkavca-hero-banner .hero-main-img { transform: scale(1); max-width: 80%; }
        }