Apple và Samsung cùng được đặt lên bàn cân: iPhone Air hay Galaxy S25 Edge mới là nhà vô địch?

body, .quiz-section, .introduction { font-family: 'Roboto', sans-serif; } .introduction p { font-size: 16px; color: #333; line-height: 1.6; } .introduction strong { color: #007f74; font-size: 18px; background: linear-gradient(90deg, #007f74, #00c4b4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; } .quiz-section p { font-weight: bold; font-size: 16px; color: #333; margin-bottom: 15px; text-shadow: 0 1px 2px rgba(0,0,0,0.1); } .question-block { background: #fff; padding: 20px; border-radius: 12px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); margin-bottom: 20px; transition: transform 0.3s ease; } .question-block:hover { transform: translateY(-3px); } .quiz-section li { font-size: 14px; margin: 10px 0; list-style: none; } .quiz-section label { display: block; padding: 12px 15px; background: #fff; border: 1px solid #ddd; border-radius: 8px; cursor: pointer; transition: all 0.3s ease; box-shadow: 0 2px 6px rgba(0,0,0,0.05); } .quiz-section label:hover { background: #e6f3f2; transform: scale(1.05); border-color: #00c4b4; } .quiz-section input[type="radio"]:checked + label { transform: scale(0.98); box-shadow: 0 4px 10px rgba(0,0,0,0.15); } .quiz-section input[type="radio"] { display: none; } .result { margin-left: 10px; font-weight: bold; display: none; font-size: 14px; animation: fadeIn 0.3s ease; } .result.correct { background: linear-gradient(90deg, #007f74, #00c4b4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; } .result.wrong { background: linear-gradient(90deg, #ff4d4f, #ff7875); -webkit-background-clip: text; -webkit-text-fill-color: transparent; } .explanation { display: none; font-size: 14px; margin: 15px 0; padding: 15px; line-height: 1.6; color: #333; background: #f9f9f9; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); animation: fadeIn 0.5s ease; } .result.correct + .explanation { border-left: 4px solid #007f74; background: linear-gradient(90deg, #e6f3f2, #f9f9f9); } .result.wrong + .explanation { border-left: 4px solid #ff4d4f; background: linear-gradient(90deg, #ffe6e6, #f9f9f9); } @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } } .quiz-section input[type="radio"]:checked + label .result { display: inline !important; } .quiz-section input[type="radio"]:checked + label .explanation { display: block !important; } .quiz-section input[type="radio"]:checked ~ li input[type="radio"] + label { pointer-events: none; opacity: 0.5; filter: grayscale(50%); transition: all 0.3s ease; } .spacer { min-height: 30px; margin: 20px 0; clear: both; } .spacer * { margin: 0; padding: 0; } @media (max-width: 600px) { .question-block { padding: 15px; } .quiz-section label { padding: 10px; font-size: 13px; } .explanation { font-size: 13px; padding: 10px; } }