@import url(‘https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap’);
/* Định dạng cơ bản */
.b2b-font { font-family: ‘Roboto’, sans-serif; }
.b2b-text-center { text-align: center; }
.b2b-box-shadow { transition: 0.3s; }
.b2b-box-shadow:hover { box-shadow: 0 5px 15px rgba(0, 86, 179, 0.15); transform: translateY(-5px); }
/* Bố cục viền & nền */
.b2b-border { border: 1px solid #e0e0e0; background: #fff; border-radius: 4px; overflow: hidden; }
.b2b-border-top-blue { border-top: 4px solid #0056b3; background: #fff; border-radius: 4px; padding: 25px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
/* Tiêu đề (Headings) */
.b2b-h2-title { font-size: 24px; font-weight: 700; color: #003d82; text-transform: uppercase; margin: 0 0 20px 0; border-bottom: 2px solid #0056b3; display: inline-block; padding-bottom: 5px; }
.b2b-h3-cat { background: #0056b3; color: #fff; margin: 0; padding: 15px; font-size: 16px; text-transform: uppercase; }
.b2b-h4-pro { font-size: 16px; font-weight: 700; color: #333; margin: 0 0 15px 0; }
.b2b-h4-srv { color: #0056b3; font-size: 18px; margin: 0 0 15px 0; }
/* Hình ảnh (Images) */
.b2b-img-fluid { width: 100%; height: auto; display: block; object-fit: cover; }
.b2b-img-pro { width: 100%; height: 200px; object-fit: contain; margin-bottom: 15px; }
/* Link & Nút bấm (Links & Buttons) */
.b2b-link-cat { display: block; padding: 12px 15px; color: #333; text-decoration: none; border-bottom: 1px solid #f0f0f0; transition: 0.2s; font-weight: 500; }
.b2b-link-cat:hover { background: #f4f8ff; color: #0056b3; padding-left: 20px; }
.b2b-link-srv { color: #0056b3; font-weight: 500; font-size: 14px; text-decoration: none; transition: 0.2s; }
.b2b-link-srv:hover { color: #003d82; text-decoration: underline; }
.b2b-btn { display: inline-block; background: #0056b3; color: #fff !important; padding: 10px 20px; border-radius: 4px; font-weight: 500; text-decoration: none; transition: 0.2s; text-align: center; }
.b2b-btn:hover { background: #003d82; }
/* Đoạn văn (Paragraph) */
.b2b-desc { color: #555; line-height: 1.5; font-size: 14px; margin: 0 0 15px 0; }
